1 2009-02-19 Akim Demaille <demaille@gostai.com>
3 Remove trailing blanks.
4 The epilogue has its own ending
5 , no need to add another.
7 * data/glr.c, data/lalr1.java, data/yacc.c: dnl when outputing the
9 * data/glr.cc: dnl when extending the epilogue.
10 Remove stray "private:".
12 2009-02-19 Akim Demaille <demaille@gostai.com>
15 * data/c.m4 (b4_c_function_decl): Here.
17 2009-02-19 Akim Demaille <demaille@gostai.com>
20 * data/lalr1.cc: here.
22 2009-02-19 Akim Demaille <demaille@gostai.com>
25 * data/variant.hh: New, extracted from...
26 * data/lalr1.cc: here.
28 * data/local.mk: Adjust.
30 2009-02-19 Akim Demaille <demaille@gostai.com>
32 Extract stack.hh from lalr1.cc.
34 * data/lalr1.cc: Extract from here.
35 * data/local.mk: Adjust.
37 2009-02-03 Joel E. Denny <jdenny@ces.clemson.edu>
39 Add reminder about uploading public key to keys.gnupg.net.
40 * HACKING (Release Procedure): Here.
42 2009-01-28 Akim Demaille <demaille@gostai.com>
44 * NEWS: Update information about 2.4.1 and 2.4.2.
46 2008-11-04 Akim Demaille <demaille@gostai.com>
49 * NEWS: Use more outline-mode markup.
50 Suggested by Jim Meyering.
52 2009-01-08 Akim Demaille <demaille@gostai.com>
54 Fix grep portability issues.
55 Grep on Solaris does not support -q.
56 Reported by Summum Bonum.
58 * NEWS: Add a stub for 2.4.2.
59 * THANKS: Add Summum Bonum.
60 * tests/atlocal.in (EGREP): New.
61 (CC, CXX, XSLTPROC): Make it possible to override them via
63 * tests/java.at: Use $EGREP instead of egrep.
64 Use AT_CHECK's ignore instead of grep's -q.
66 2008-12-11 Akim Demaille <demaille@gostai.com>
68 Pass the token type to yysyntax_error.
69 * data/yacc.c (yysyntax_error): Take the transated token instead
74 2008-12-11 Akim Demaille <demaille@gostai.com>
77 * data/glr.c: Formatting changes.
79 2008-12-11 Akim Demaille <demaille@gostai.com>
81 Propagate i18n changes into glr.c.
83 * data/glr.c (yyreportSyntaxError): Use "switch" instead of
84 building the error message format dynamically.
85 * data/lalr1.java: Formatting changes.
87 2008-12-11 Akim Demaille <demaille@gostai.com>
90 * tests/local.mk: Replace "cd && testsuite" by "testsuite -C".
91 Solves problems when top_srcdir is an absolute path.
92 Suggested by Eric Blake.
93 * configure.ac: Require Autoconf 2.62.
95 2008-12-11 Akim Demaille <demaille@gostai.com>
97 Simplify the i18n of the error messages.
98 * data/lalr1.cc: Comment changes.
99 * data/yacc.c (yysyntax_error): Rewrite, using a switch as in
100 lalr1.cc instead of building dynamically the format string.
102 2008-12-08 Akim Demaille <demaille@gostai.com>
104 Fix portability issue in the test suite.
105 * tests/local.at (AT_MATCHES_CHECK): New.
106 Based on Perl instead of Sed. Sed has too many portability
107 pitfalls, not ever Sed is GNU Sed.
108 * tests/actions.at (Fix user actions without a trailing semicolon):
111 2008-12-08 Akim Demaille <demaille@gostai.com>
114 * data/README: Document glr.cc, lalr1.java, m4sugar and xslt.
116 2008-12-08 Akim Demaille <demaille@gostai.com>
118 Install autoconf as a submodule to get m4sugar.
119 * .gitmodules: Add submodules/autoconf.
120 * data/m4sugar/foreach.m4, data/m4sugar/m4sugar.m4: Now links into
123 2008-12-08 Akim Demaille <demaille@gostai.com>
125 Test token.prefix in all the skeletons.
126 * data/java.m4 (b4_token_enum): Use the token.prefix.
127 * tests/local.at (AT_BISON_OPTION_PUSHDEFS): Define AT_TOKEN_PREFIX.
128 * tests/calc.at (_AT_DATA_CALC_Y): Use it.
129 Add checks for yacc.c, glr.c, lalr1.cc and glr.cc.
130 * tests/java.at: Comment changes.
131 (AT_CHECK_JAVA_MINIMAL): Define the END token.
132 (Java parser class and package names): Add token.prefix check.
134 2008-12-08 Akim Demaille <demaille@gostai.com>
136 Fix regeneration of atconfig.
137 * tests/local.mk (tests/atconfig): The rule was incorrect, but
138 remove it: now that there is no tests/Makefile.am, the top-level
139 Makefile properly updates atconfig when needed.
141 2008-12-07 Di-an Jan <dianj@freeshell.org>
143 Implement the FIXME that ends an user action with a semicolon
144 if it seems necessary.
145 * src/scan-code.l (flex rules section): Flag cpp directive from
146 any `#' to the first unescaped end-of-line. Semicolon is not
147 needed after `;', `{', '}', or cpp directives and is needed after
148 any other token (whitespaces and comments have no effect).
149 * tests/actions.at (Fix user actions without a trailing semicolon):
151 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add semicolons to
152 to make user actions complete statements.
153 Adjust column numbers in error messages.
154 * tests/regression.at (Fix user actions without a trailing semicolon):
155 Remove. Covered by new test.
157 2008-12-07 Akim Demaille <demaille@gostai.com>
160 * gnulib: Update from master.
162 2008-12-05 Eric Blake <ebb9@byu.net>
164 Avoid compiler warning.
165 * src/output.c (muscle_insert_item_number_table): Delete unused
168 2008-12-02 Eric Blake <ebb9@byu.net>
170 Build testsuite with newer autoconf.
171 * tests/output.at (m4_expand): Don't override in newer autoconf,
172 where the underlying implementation changed.
173 * tests/cxx-type.at (_AT_RESOLVED_GLR_OUTPUT)
174 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT)
175 (_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
176 (_AT_VERBOSE_GLR_STDERR): Expand to double-quoted strings,
177 since some of them contain unbalanced ')'.
179 2008-12-01 Akim Demaille <demaille@gostai.com>
181 Use b4_symbol for printers and destructors everywhere.
182 * data/bison.m4 (b4_symbol_action_location): New.
183 * data/c.m4 (b4_symbol_actions): Remove.
184 Adjust all callers to use by b4_symbol_foreach and the corresponding
185 b4_symbol_printer/destructor macro.
186 * data/glr.cc: Adjust.
187 * data/lalr1.java: Adjust the %destructor sanity check.
188 * src/output.c (symbol_code_props_output): Remove, we no longer
189 need the b4_symbol_printers/destructors tables.
191 2008-12-01 Akim Demaille <demaille@gostai.com>
194 * data/lalr1.cc, data/bison.m4 (b4_symbol_action): Use
197 2008-12-01 Akim Demaille <demaille@gostai.com>
199 Move b4_symbol based macro to bison.m4.
200 * data/lalr1.cc (b4_symbol_, b4_symbol, b4_symbol_if)
201 (b4_symbol_action, b4_symbol_destructor, b4_symbol_printer)
202 (b4_symbol_case_, b4_symbol_foreach, b4_type_action_)
203 (b4_type_foreach): Move to...
204 * data/bison.m4: Here.
205 * data/lalr1.cc (b4_symbol_action): Specialize for C++: use
206 b4_symbol_value_template instead of b4_symbol_value.
208 2008-12-01 Akim Demaille <demaille@gostai.com>
210 b4_symbol/type_foreach.
211 * data/lalr1.cc (b4_symbol_foreach, b4_type_foreach): New.
214 2008-12-01 Akim Demaille <demaille@gostai.com>
216 Use the symbol properties to output the printer/destructor for lalr1.cc.
217 Instead of defining complex list of tuples to define various
218 properties of the symbols, we now prefer to define symbols as
219 "structs" in m4: using the symbol key (its number), and the
220 property name, b4_symbol gives it value. Use this to handle
221 destructors and printers.
223 * src/output.c (CODE_PROP): New.
224 (prepare_symbol_definitions): Use it to define the printer and
225 destructor related attributes of the symbols.
226 * data/lalr1.cc (b4_symbol_actions): Rename as...
227 (b4_symbol_action): this.
228 Use b4_symbol instead of 6 arguments.
229 (b4_symbol_printer, b4_symbol_destructor): New.
230 Use them instead of b4_symbol_actions.
232 2008-12-01 Akim Demaille <demaille@gostai.com>
234 Avoid capturing variables too easily.
235 * src/muscle_tab.h (MUSCLE_INSERT_BOOL, MUSCLE_OBSTACK_SGROW): Use
236 v__ and p__ instead of v and p.
238 2008-12-01 Akim Demaille <demaille@gostai.com>
240 Remove spurious empty line before syncline.
241 * data/bison.m4 (b4_syncline): Don't output an empty line before
244 2008-11-26 Akim Demaille <demaille@gostai.com>
246 Convert lib/Makefile.am into lib/local.mk.
247 The real problem is rather gnulib.mk, which itself is extracted
248 from a Makefile.am that gnulib expects to the "recursive". The
249 tool prefix-gnulib-mk converts such a gnulib.mk to be
250 non-recursive. Also, some AC_SUBST variables need to be adjusted.
252 * etc/prefix-gnulib-mk: New.
253 * bootstrap (slurp): Use it to convert further gnulib.mk.
254 No longer try to avoid re-creation of lib/gnulib.mk as the changes
256 * lib/Makefile.am: Rename as...
257 * lib/local.mk: this.
258 Adjust to be prefixed.
259 * Makefile.am, configure.ac: Adjust.
260 * src/local.mk (AM_CPPFLAGS): Extend it, don't define it.
262 2008-11-26 Akim Demaille <demaille@gostai.com>
265 * tests/local.mk (TESTSUITE_FLAGS, AUTOTEST_FLAGS): Rename as...
266 (TESTSUITEFLAGS, AUTOTESTFLAGS): these to compy with the GCS.
267 Reported by Eric Blake.
269 2008-11-26 Akim Demaille <demaille@gostai.com>
271 Use b4_parser_tables_define in glr.cc.
272 * data/glr.c: Use b4_parser_tables_define instead of defining the
273 (deterministic integral) tables by hand.
275 2008-11-26 Akim Demaille <demaille@gostai.com>
277 Use b4_parser_tables_define in Java.
278 * data/java.m4 (b4_typed_parser_table): Rename as...
279 (b4_typed_parser_table_define): this, for consistency.
280 Accept a comment as $4.
282 (b4_integral_parser_table): Rename as...
283 (b4_integral_parser_table_define): this.
284 * data/lalr1.java: Adjust all uses.
285 Use b4_parser_tables_define instead of generation by hand.
287 2008-11-26 Akim Demaille <demaille@gostai.com>
289 Prepare the convergence bw C style and Java table generation.
290 * data/bison.m4 (b4_tables_map, b4_tables_declare)
291 (b4_tables_define): Rename as...
292 (b4_integral_parser_tables_map, b4_parser_tables_declare)
293 (b4_parser_tables_define): these.
294 * data/c.m4 (b4_table_define): Rename as...
295 (b4_integral_parser_table_define): this.
296 * data/lalr1.cc: Adjust.
297 (b4_table_define, b4_table_declare): Rename as...
298 (b4_integral_parser_table_define)
299 (b4_integral_parser_table_declare): these.
300 (yyrline_): Move the comment where it is actually used.
301 * data/yacc.c: Adjust.
302 (yyrline): Use b4_integral_parser_table_define.
304 2008-11-26 Akim Demaille <demaille@gostai.com>
307 * src/parse-gram.h, src/parse-gram.c: Regen.
309 2008-11-26 Akim Demaille <demaille@gostai.com>
311 Factor the generation of the (integral) tables bw yacc.c and lalr1.cc.
312 * data/lalr1.cc (b4_tables_map): Move to...
313 * data/bison.m4: here.
314 Update the comment for yytable during the flight.
315 (b4_tables_declare, b4_tables_define): New.
316 * data/lalr1.cc: Use them.
317 * data/c.m4 (b4_table_define): New.
318 * data/yacc.c: Use b4_tables_define instead of output the tables
320 * tests/regression.at (Web2c Actions): Adjust the expected output,
321 the order of the tables changed.
323 2008-11-26 Akim Demaille <demaille@gostai.com>
325 Get rid of (yy)rhs and (yy)prhs.
326 These tables are no longer needed in the parsers, and they don't seem to
327 be useful. They are not documented either.
329 * src/output.c (prepare_rules): Get rid of rhs and prhs.
330 Adjust the computation of (yy)r2.
332 2008-11-26 Akim Demaille <demaille@gostai.com>
334 Rule length is unsigned.
335 * src/gram.h, src/gram.c (rule_rhs_length): Return a size_t.
337 2008-11-26 Akim Demaille <demaille@gostai.com>
339 Get rid of lalr1-split.cc.
340 It was no longer maintainer.
342 * data/lalr1-split.cc: Remove.
343 * etc/bench.pl.in (bench_fusion_parser): Remove.
346 2008-11-26 Akim Demaille <demaille@gostai.com>
348 Use yy* consistently.
349 * data/glr.c: Now that yyrhs no longer exists as a global
350 variable, rename local "rhs" variables into "yyrhs" for
353 2008-11-25 Akim Demaille <demaille@gostai.com>
355 Get rid of yyrhs and yyprhs in glr.c.
356 * data/glr.c (yyrhs, yyprhs): Remove.
357 Instead, use the state stack and yystos.
359 2008-11-25 Akim Demaille <demaille@gostai.com>
362 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): If glr, declare it
363 as an Autotest keyword.
365 2008-11-25 Akim Demaille <demaille@gostai.com>
367 Prefer TESTSUITE_FLAGS.
368 TESTSUITEFLAGS is barely readable.
370 * tests/local.mk (TESTSUITE_FLAGS): Default to $(TESTSUITEFLAGS)
371 for backward compatibility.
372 Use the former instead of the latter.
374 2008-11-25 Akim Demaille <demaille@gostai.com>
376 Get rid of yyrhs and yyprhs in larl1.java.
377 * data/lalr1.java (yyrhs_, yyprhs_): Remove.
378 (yy_reduce_print): Rather, use yystos_ and the state stack.
380 2008-11-25 Akim Demaille <demaille@gostai.com>
384 2008-11-25 Akim Demaille <demaille@gostai.com>
386 Get rid of yyrhs and yyprhs in yacc.c.
387 They were used to get the symbol types, given a rule number, when
388 displaying the top of the stack before a reduction. But the
389 symbol type is available from the state stack. This has two be
390 benefits: two tables less in the parser (making it smaller), and a
391 more consistent use of the three stacks which will help to fuse
394 * data/yacc.c (yyprhs, yyrhs): Remove.
395 (YY_REDUCE_PRINT): Pass yyssp to yy_reduce_print.
396 (yy_reduce_print): Take yyssp as argument.
397 Use it, together with yystos, to get the symbol type.
398 * tests/regression.at (Web2c Report): Remove these tables from the
401 2008-11-25 Akim Demaille <demaille@gostai.com>
404 The point is to factor the generation of the tables across skeletons.
405 This is language dependant.
407 * data/c.m4 (b4_comment_): New.
408 Should be usable to define how to generate tables independently of
411 (b4_comment): Bounce to b4_c_comment.
412 Now support $2 = [PREFIX] for indentation.
413 * data/lalr1.cc (b4_table_declare): Don't output a comment if
415 Indent it properly when there is one.
416 Output the ending semicolon.
417 (b4_table_define): Space changes.
418 Output the ending semicolon.
419 (b4_tables_map): New.
420 Use it twice instead of declaring and defining the (integral)
423 2008-11-25 Akim Demaille <demaille@gostai.com>
426 * data/lalr1.cc (b4_table_declare): New.
427 Use it to declare the tables defined with b4_table_define.
428 (b4_table_define): Declare a third arg to match b4_table_declare
430 Move all the comments around invocations of b4_table_define into
431 the invocations itselves.
432 Move things around to have the order for declarations and
435 2008-11-25 Akim Demaille <demaille@gostai.com>
438 * data/lalr1.java: here.
440 2008-11-25 Akim Demaille <demaille@gostai.com>
442 b4_args is more general than only C++.
443 * data/lalr1.cc (b4_args, _b4_args): Move to...
444 * data/bison.m4: here.
446 2008-11-21 Di-an Jan <dianj@freeshell.org>
448 Implement no-XXX arguments for --warnings, --report, --trace.
449 * src/getargs.c (flags_argmatch): Handles no-XXX.
450 Fix typo in doxygen comment.
452 2008-11-21 Akim Demaille <demaille@gostai.com>
454 Display the changes in cross-options.texi.
455 * build-aux/cross-options.pl ($sep): New, to separate items.
456 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): Use diff to display the
459 2008-11-20 Di-an Jan <dianj@freeshell.org>
461 Improves options in the manual.
462 * doc/bison.texinfo (-g, -x): Add space before argument.
463 (Option Cross Key): Implement FIXME: listing directives also.
464 * build-aux/cross-options.pl: Read from <STDIN> rather than <>.
465 (Short Option): Special case -d. Put arguments inside @option.
466 (Bison Directive): Add column, automatically extracted from
467 src/scan-gram.l (actual name passed as the first argument)
468 with special case for %define.
469 * doc/local.mk (doc/cross-options.texi): Pass src/scan-gram.l
470 to build-aux/cross-options.pl.
471 * src/getargs.c (usage): Document limitations of cross-options.pl.
472 * src/scan-gram.l: Likewise.
474 2008-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
476 Fix unexpanded macros in GLR defines file.
477 Reported by Csaba Raduly at
478 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00048.html>.
479 * THANKS (Csaba Raduly): Add.
480 * data/glr.c: Fix overquoting on b4_prefix for yylval and yylloc.
481 * tests/calc.at (_AT_DATA_CALC_Y): If %defines is specified, generate
482 lexer in a separate module that includes the defines file.
483 (AT_CHECK_CALC): From AT_FULL_COMPILE, request compilation of lexer
485 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_DEFINES_IF.
486 Adjust AT_LOC and AT_VAL to use AT_NAME_PREFIX.
487 (AT_BISON_OPTION_POPDEFS): Pop AT_DEFINES_IF.
488 (AT_DATA_SOURCE_PROLOGUE): New.
489 (AT_DATA_GRAMMAR_PROLOGUE): Use AT_DATA_SOURCE_PROLOGUE.
490 (AT_DATA_SOURCE): New.
491 (AT_FULL_COMPILE): Extend to support an additional source file.
493 2008-11-18 Akim Demaille <demaille@gostai.com>
496 * TODO: More short term issues.
498 2008-11-18 Akim Demaille <demaille@gostai.com>
501 * src/parse-gram.h, src/parse-gram.c: Regen.
503 2008-11-18 Akim Demaille <demaille@gostai.com>
505 Use b4_subtract where possible.
506 * data/lalr1.cc (b4_subtract): Move to...
507 * data/bison.m4: here.
508 * data/glr.c (b4_rhs_data): Use it.
509 * data/yacc.c (b4_rhs_value, b4_rhs_location): Use it.
511 2008-11-18 Akim Demaille <demaille@gostai.com>
513 Remove incorrect mode specification.
514 * data/glr.cc: Don't pretend it's C code.
516 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
518 Simplify last patch slightly.
519 * src/getargs.c (getargs): Here.
521 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
523 Fix last warning from --enable-gcc-warnings.
524 * src/getargs.c (getargs): Don't assign const address to non-const
527 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
529 Don't let maintainer-*-check targets force a version update.
530 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
533 2008-11-17 Di-an Jan <dianj@freeshell.org>
535 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
536 Align menus. Adjust word wrapping. Use node names for menu names.
537 (Examples): Don't abbreviate node names.
538 (LocalWords): Remove abbreviations.
539 (Copying): Make description a sentence.
540 (Java Action Features): Remove period to match the rest of menu.
542 2008-11-17 Di-an Jan <dianj@freeshell.org>
544 Handles several --enable-gcc-warnings.
545 * src/getargs.c (command_line_location): Set parameters to void.
546 * src/output.c (symbol_type_name_cmp): Make static.
547 (symbols_by_type_name): Set parameters to void.
548 (symbol_definitions_output): Remove unused parameter. Rename as...
549 (prepare_symbol_definitions): this.
550 (muscles_output): Move symbol_definitions_output to...
551 (output): here as prepare_symbol_definitions.
552 * tests/c++.at (AT_CHECK_VARIANTS): Remove unused parameters of main.
553 (AT_CHECK_NAMESPACE): Make unused parameter lloc unnamed.
555 2008-11-17 Di-an Jan <dianj@freeshell.org>
557 * tests/c++.at (AT_CHECK_VARIANTS): Fixes tests 198-202.
558 Use AT_DATA_GRAMMAR instead of AT_DATA for compiled tests.
560 2008-11-16 Akim Demaille <demaille@gostai.com>
562 Add missing $(EXEEXT).
563 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): The target is
564 "src/bison$(EXEEXT)".
565 Reported by Di-an Jan.
567 2008-11-15 Akim Demaille <demaille@gostai.com>
571 2008-11-15 Akim Demaille <demaille@gostai.com>
574 * tests/input.at: here.
576 2008-11-15 Akim Demaille <demaille@gostai.com>
578 Remove duplicate header inclusion.
581 2008-11-15 Akim Demaille <demaille@gostai.com>
583 * src/parse-gram.h, src/parse-gram.c: Regen.
585 2008-11-15 Akim Demaille <demaille@gostai.com>
587 Support parametric types.
589 There are two issues to handle: first scanning nested angle
590 bracket pairs to support types such as std::pair< std::string,
591 std::list<std::string> > >.
593 Another issue is to address idiosyncracies of C++: do not glue two
594 closing angle brackets together (otherwise it's operator>>), and
595 avoid sticking blindly a TYPE to the opening <, as it can result
596 in '<:' which is a digraph for '['.
598 * src/scan-gram.l (brace_level): Rename as...
601 Implement support for complex tags.
604 * data/lalr1.cc (b4_symbol_value, b4_symbol_value_template)
605 (b4_symbol_variant): Leave space around types as parameters.
606 * examples/variant.yy: Use nested template types and leading ::.
607 * src/parse-gram.y (TYPE, TYPE_TAG_ANY, TYPE_TAG_NONE, type.opt):
609 (TAG, TAG_ANY, TAG_NONE, tag.opt): these.
610 * tests/c++.at: Test parametric types.
612 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
615 This is not sufficient, but we test at least that the make_SYMBOL
616 interface is not affected by token.prefix. A more general test
617 will be implemented when the support of token.prefix is generalized
620 * tests/c++.at: One more variant test, using token.prefix.
622 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
624 Test the make_TOKEN interface.
625 * tests/c++.at (AT_CHECK_VARIANTS): Require and use locations.
626 Factor the common code in yylex.
627 Use it to test "%define lex_symbol".
629 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
633 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
635 Simplify code for variants bench marks.
636 * etc/bench.pl.in (&generate_grammar_list): Define and use
638 Factor the common code in yylex.
640 2008-11-15 Akim Demaille <demaille@gostai.com>
642 Better error message.
643 * bootstrap (find_tool): Fix the error message.
645 2008-11-15 Akim Demaille <demaille@gostai.com>
647 Update variant.yy to newest interface.
648 * examples/variant.yy: Define lex_symbol.
651 2008-11-15 Akim Demaille <demaille@gostai.com>
653 Don't use locations in variant.yy.
654 * examples/variant.yy: Adjust to not using locations.
656 2008-11-15 Akim Demaille <demaille@gostai.com>
659 * data/local.mk, etc/local.mk, examples/local.mk: Use Automake
660 comments for the license.
662 2008-11-15 Akim Demaille <demaille@gostai.com>
664 Remove tests/Makefile.am.
665 * tests/Makefile.am: Rename as...
666 * tests/local.mk: this.
667 * Makefile.am, configure.ac: Adjust.
668 * Makefile.am (DISTCLEANFILES): Define.
669 (maintainer-check, maintainer-xml-check, maintainer-push-check):
670 Remove, we no longer need to bounce to the real targets.
672 2008-11-15 Akim Demaille <demaille@gostai.com>
676 2008-11-15 Akim Demaille <demaille@gostai.com>
679 * Makefile.am (EXTRA_DIST): Move djgpp related part to...
680 * djgpp/local.mk: this new file.
682 2008-11-15 Akim Demaille <demaille@gostai.com>
684 Remove doc/Makefile.am.
685 * doc/Makefile.am: Rename as...
686 * doc/local.mk: this.
688 * Makefile.am, configure.ac: Adjust.
689 * Makefile.am (MOSTLYCLEANFILES): New.
690 * src/local.mk: Adjust.
692 2008-11-15 Akim Demaille <demaille@gostai.com>
694 Move sc_tight_scope into maint.mk.
695 It does not work, and I don't know how it was supposed to work: it
696 seems to be looking for sources in the build tree. I just moved
697 it at a better place, fixing it is still required.
699 * src/local.mk (echo): Remove.
700 (sc_tight_scope): Move to...
703 2008-11-15 Akim Demaille <demaille@gostai.com>
706 * src/parse-gram.h, src/parse-gram.h: Regen.
708 2008-11-15 Akim Demaille <demaille@gostai.com>
710 Remove src/Makefile.am.
711 * src/Makefile.am: Rename as...
712 * src/local.mk: this.
713 Prefix all the paths with src/.
714 (AUTOMAKE_OPTIONS): Build object files in the sub dirs.
715 (AM_CPPFLAGS): Find find in builddir/src.
716 (YACC): Move the flags into...
718 * maint.mk (sc_tight_scope): Disable.
719 It used to bounce to the version in src/Makefile.am which is now
720 part of this very Makefile.
721 * Makefile.am, configure.ac: Adjust.
722 * src/scan-code-c.c, src/scan-code.l: We can no longer rely on
723 include "..." to find files "here": we are no longer in src/, so
724 qualify the includes with src/.
725 * doc/Makefile.am (PREPATH): No longer include the top_builddir
727 (.x.1): Adjust to be able to create src/foo from the top level
728 Makefile, instead of going bounce to src/Makefile the creation of
731 2008-11-15 Akim Demaille <demaille@gostai.com>
733 Remove useless variable.
734 * doc/Makefile.am (srcsrcdir): Remove.
736 2008-11-15 Akim Demaille <demaille@gostai.com>
738 Remove data/Makefile.am.
739 * data/Makefile.am: Rename as...
740 * data/local.mk: this.
742 * Makefile.am, configure.ac: Adjust.
744 2008-11-15 Akim Demaille <demaille@gostai.com>
746 Remove etc/Makefile.am.
747 * etc/Makefile.am: Rename as...
748 * etc/local.mk: this.
750 * Makefile.am, configure.ac: Adjust.
752 2008-11-15 Akim Demaille <demaille@gostai.com>
754 Remove examples/local.mk.
755 examples/calc++/Makefile.am might be interesting to keep as is, since
756 it is an example in itself.
758 * examples/Makefile.am: Rename as...
759 * examples/local.mk: this.
761 * Makefile.am, configure.ac: Adjust.
763 2008-11-15 Akim Demaille <demaille@gostai.com>
765 Remove build-aux/Makefile.am.
766 Recursive Makefiles are really way too slow, let's get rid of some of
769 * build-aux/Makefile.am: Rename as...
770 * build-aux/local.mk: this.
772 * Makefile.am, configure.ac: Adjust.
774 2008-11-15 Akim Demaille <demaille@gostai.com>
776 Provide convenience constructors for locations and positions.
777 * data/location.cc (position::position): Accept file, line and
778 column as arguments with default values.
779 Always qualify initial line and column literals as unsigned.
780 (location::location): Provide convenience constructors.
782 2008-11-15 Akim Demaille <demaille@gostai.com>
784 Instead of using make_symbol<TOK_FOO>, generate make_FOO for each
786 Using template buys us nothing, and makes it uselessly complex to
787 construct a symbol. Besides, it could not be generalized to other
788 languages, while make_FOO would work in C/Java etc.
790 * data/lalr1.cc (b4_symbol_): New.
792 (b4_symbol_constructor_declaration_)
793 (b4_symbol_constructor_definition_): Instead of generating
794 specializations of an overloaded template function, just generate
795 several functions whose names are forged from the token names
796 without the token.prefix.
797 (b4_symbol_constructor_declarations): Generate them for all the
798 symbols, not just by class of symbol type, now that instead of
799 specializing a function template by the token, we generate a
800 function named after the token.
801 (b4_symbol_constructor_specialization_)
802 (b4_symbol_constructor_specializations): Remove.
803 * etc/bench.pl.in: Adjust to this new API.
805 2008-11-13 Akim Demaille <demaille@gostai.com>
807 %define token.prefix.
808 Provide a means to add a prefix to the name of the tokens as
809 output in the generated files. Because of name clashes, it is
810 good to have such a prefix such as TOK_ that protects from names
811 such as EOF, FILE etc. But it clutters the grammar itself.
813 * data/bison.m4 (token.prefix): Empty by default.
814 * data/c.m4 (b4_token_enum, b4_token_define): Use it.
815 * data/lalr1.cc (b4_symbol): Ditto.
817 2008-11-13 Akim Demaille <demaille@gostai.com>
819 Compute at M4 time some of the subtractions.
820 * data/lalr1.cc (b4_subtract): New.
821 (b4_rhs_data): Use it.
823 2008-11-13 Akim Demaille <demaille@gostai.com>
826 This allows the user to get the type of a token returned by yylex.
828 * data/lalr1.cc (symbol::token): New.
829 (yytoknum_): Define when %define lex_symbol, independently of
831 (yytoken_number_): Move into...
832 (symbol::token): here, since that's the only use.
833 The other one is YYPRINT which was not officially supported
834 by lalr1.cc, and anyway it did not work since YYPRINT uses this
835 array under a different name (yytoknum).
837 2008-11-13 Akim Demaille <demaille@gostai.com>
840 * TODO (YYERRCODE): Mention the case of $undef.
842 2008-11-13 Akim Demaille <demaille@gostai.com>
845 * TODO (YYPRINT): New.
847 2008-11-13 Akim Demaille <demaille@gostai.com>
850 * data/lalr1.cc, data/yacc.c: Fix the description of the
851 yytranslate and yytoknum tables.
853 2008-11-13 Akim Demaille <demaille@gostai.com>
855 Define make_symbol in the header.
856 To reach good performances these functions should be inlined (yet
857 this is to measure precisely). To this end they must be available
860 * data/lalr1.cc (b4_symbol_constructor_definition_): Qualify
861 location_type with the class name.
862 Since will now be output in the header, declare "inline".
863 No longer use b4_symbol_constructor_specializations, but
864 b4_symbol_constructor_definitions in the header.
865 Don't call it in the *.cc file.
867 2008-11-13 Akim Demaille <demaille@gostai.com>
869 Define yytranslate in the header for lex_symbol.
870 * data/lalr1.cc: Move the invocation of b4_yytranslate_definition
871 into the header file when using %define lex_symbol.
872 (yytranslate_): Declare inline.
874 2008-11-13 Akim Demaille <demaille@gostai.com>
876 Define the constructors of symbol_type in
877 b4_symbol_constructor_definitions.
878 The constructors are called by the make_symbol functions, which a
879 forthcoming patch will move elsewhere. Hence the interest of
880 putting them together.
882 The stack_symbol_type does not need to be moved, it is used only
885 * data/lalr1.cc: Move symbol_type and symbol_base_type
887 (b4_symbol_constructor_definitions): here.
890 2008-11-13 Akim Demaille <demaille@gostai.com>
892 Make it easier to move the definition of yytranslate_.
893 Forthcoming changes will make it possible to use yytranslate_
894 from outside the parser implementation file.
896 * data/lalr1.cc (b4_yytranslate_definition): New.
899 2008-11-13 Akim Demaille <demaille@gostai.com>
901 Remove useless class specification.
902 * data/lalr1.cc (b4_symbol_constructor_specialization_): No need
903 to refer to the class name to use a type defined by the class for
904 arguments of member functions.
906 2008-11-13 Akim Demaille <demaille@gostai.com>
908 Finer input type for yytranslate.
909 This patch is debatable: the tradition expects yylex to return an int
910 which happens to correspond to token_number (which is an enum). This
911 allows for instance to return characters (such as '*' etc.). But this
912 goes against the stronger typing I am trying to have with the new
913 lex interface which return a symbol_type. So in this case, feed
914 yytranslate_ with a token_type.
916 * data/lalr1.cc (yytranslate_): When in %define lex-symbol,
919 2008-11-13 Akim Demaille <demaille@gostai.com>
921 Honor lex-params in %define lex_symbol mode.
922 * data/lalr1.cc: Use b4_lex_param.
924 2008-11-13 Akim Demaille <demaille@gostai.com>
927 * src/output.c (symbol_definitions_output): Rename symbol
928 attributes type_name and has_type_name as type and has_type.
929 * data/lalr1.cc: Adjust uses.
931 2008-11-13 Akim Demaille <demaille@gostai.com>
933 Use b4_type_names for the union type.
934 The union used to compute the size of the variant used to iterate
935 over the type of all the symbols, with a lot of redundancy. Now
936 iterate over the lists of symbols having the same type-name.
938 * data/lalr1.cc (b4_char_sizeof_): New.
939 (b4_char_sizeof): Use it.
940 Adjust to be called with a list of numbers instead of a single
942 Adjust its caller for new-line issues.
944 2008-11-13 Akim Demaille <demaille@gostai.com>
946 Define the "identifier" of a symbol.
947 Symbols may have several string representations, for instance if
948 they have an alias. What I call its "id" is a string that can be
949 used as an identifier. May not exist.
951 Currently the symbols which have the "tag_is_id" flag set are
952 those that don't have an alias. Look harder for the id.
954 * src/output.c (is_identifier): Move to...
955 * src/symtab.c (is_identifier): here.
956 * src/symtab.h, src/symtab.c (symbol_id_get): New.
957 * src/output.c (symbol_definitions_output): Use it to define "id"
959 Remove the definition of "tag_is_id".
960 * data/lalr1.cc: Use the "id" and "has_id" whereever "tag" and
961 "tag_is_id" were used to produce code.
962 We still use "tag" for documentation.
964 2008-11-11 Akim Demaille <demaille@gostai.com>
966 Locations are no longer required by lalr1.cc.
967 * data/lalr1.cc (_b4_args, b4_args): New.
968 Adjust all uses of locations to make them optional.
969 * tests/c++.at (AT_CHECK_VARIANTS): No longer use the locations.
970 (AT_CHECK_NAMESPACE): Check the use of locations.
971 * tests/calc.at (_AT_DATA_CALC_Y): Adjust to be usable with or
972 without locations with lalr1.cc.
974 * tests/output.at: Check lalr1.cc with and without location
976 * tests/regression.at (_AT_DATA_EXPECT2_Y, _AT_DATA_DANCER_Y):
979 2008-11-11 Akim Demaille <demaille@gostai.com>
982 * tests/local.at (AT_FULL_COMPILE): New.
983 * tests/actions.at, tests/calc.at, tests/regression.at: Use it.
985 2008-11-11 Akim Demaille <demaille@gostai.com>
987 Support parens in calc++.
988 * doc/bison.texinfo (Calc++ Scanner, Calc++ Parser): Support parens.
989 * examples/calc++/test (run): Check the expected output.
993 2008-11-11 Akim Demaille <demaille@gostai.com>
995 Simplify lalr1.cc since %defines is mandatory.
996 * data/lalr1.cc: Remove useless calls to b4_defines_if.
998 2008-11-11 Akim Demaille <demaille@gostai.com>
1001 * TODO (yysyntax_error): New item.
1003 2008-11-11 Akim Demaille <demaille@gostai.com>
1006 * data/lalr1.cc: Use b4_error_verbose_if instead of #if
1009 2008-11-11 Akim Demaille <demaille@gostai.com>
1011 Support i18n of the parse error messages.
1012 * TODO (lalr1.cc/I18n): Remove.
1013 * data/lalr1.cc (yysyntax_error_): Support the translation of the
1014 error messages, as done in yacc.c.
1015 Stay within the yy* pseudo namespace.
1017 2008-11-11 Akim Demaille <demaille@gostai.com>
1020 * TODO (single stack, yysyntax_error): New.
1022 2008-11-11 Akim Demaille <demaille@gostai.com>
1024 Make it possible to return a symbol_type from yylex.
1025 * data/lalr1.cc (b4_lex_symbol_if): New.
1026 (parse): When lex_symbol is defined, expected yylex to return the
1028 * etc/bench.pl.in (generate_grammar_list): Extend to support this
1030 (bench_variant_parser): Exercise it.
1032 2008-11-11 Akim Demaille <demaille@gostai.com>
1034 Remove useless bench case.
1035 * etc/bench.pl.in (bench_variant_parser): VARIANT_DESTROY is
1038 2008-11-11 Akim Demaille <demaille@gostai.com>
1040 Improve display of directives.
1041 * etc/bench.pl.in (parse_term): Don't add useless eol.
1043 2008-11-11 Akim Demaille <demaille@gostai.com>
1045 Use string_cast in the bench.
1046 * etc/bench.pl.in (generate_grammar_list): Define and use
1049 2008-11-11 Akim Demaille <demaille@gostai.com>
1051 Replace yychar with a Boolean.
1052 * data/lalr1.cc (parse::yychar): Replace by...
1053 (parse::yyempty): this.
1055 2008-11-11 Akim Demaille <demaille@gostai.com>
1060 2008-11-11 Akim Demaille <demaille@gostai.com>
1062 Let yytranslate handle the eof case.
1063 * data/lalr1.cc (yytranslate_): Handle the EOF case.
1065 No longer expect yychar to be equal to yyeof_, rather, test the
1066 lookahead's (translated) kind.
1068 2008-11-11 Akim Demaille <demaille@gostai.com>
1070 yychar cannot be empty in yyerrlab.
1071 * TODO (yychar == yyempty_): New.
1072 * data/lalr1.cc: Remove the handling of this case.
1073 This eases forthcoming changes related to yychar and yytranslate.
1075 2008-11-11 Akim Demaille <demaille@gostai.com>
1077 Bench: syntactic sugar for %define/#define.
1078 * etc/bench.pl.in (parse_dirs): Support %d and #d with arguments.
1079 (&bench_push_parser, bench_variant_parser): Use this feature.
1083 2008-11-11 Akim Demaille <demaille@gostai.com>
1085 Less memory pressure on the "list" bench.
1086 * etc/bench.pl.in (generate_grammar_list): Do not accumulate all
1087 the values, to limit memory pressure.
1089 2008-11-11 Akim Demaille <demaille@gostai.com>
1091 Introduce make_symbol.
1092 make_symbol provides a means to construct a full symbol (kind,
1093 value, location) in a single shot. It is meant to be a Symbol
1094 constructor, parameterized by the symbol kind so that overloading
1095 would prevent incorrect kind/value pairs. Unfortunately
1096 parameterized constructors do not work well in C++ (unless the
1097 parameter also appears as an argument, which is not acceptable),
1098 hence the use of a function instead of a constructor.
1100 * data/lalr1.cc (b4_symbol_constructor_declaration_)
1101 (b4_symbol_constructor_declarations)
1102 (b4_symbol_constructor_specialization_)
1103 (b4_symbol_constructor_specializations)
1104 (b4_symbol_constructor_definition_)
1105 (b4_symbol_constructor_definitions): New.
1106 Use them where appropriate to generate declaration, declaration of
1107 the specializations, and implementations of the templated
1108 overloaded function "make_symbol".
1109 (variant::variant): Always define a default ctor.
1110 Also provide a copy ctor.
1111 (symbol_base_type, symbol_type): New ctor overloads for value-less
1113 (symbol_type): Now public, so that functions such as yylex can use
1116 2008-11-11 Akim Demaille <demaille@gostai.com>
1118 Inform m4 whether a tag is a valid id.
1119 * src/output.c (is_identifier): New.
1120 (symbol_definitions_output): Use it to define tag_is_id.
1121 But maybe this should be done at m4 level?
1123 2008-11-11 Akim Demaille <demaille@gostai.com>
1125 Test 214 was failing: it greps with a pattern containing [ ]*
1126 which obviously meant to catch spaces and tabs, but contained only
1127 spaces. Tabulations in sources are a nuisance, so to simplify the
1128 matter, get rid of all the tabulations in the Java sources. The
1129 other skeletons will be treated equally later.
1131 * data/java.m4, data/lalr1.java: Untabify.
1132 * tests/java.at: Simplify AT_CHECK_JAVA_GREP invocations:
1133 tabulations are no longer generated.
1135 2008-11-11 Paolo Bonzini <bonzini@gnu.org>
1137 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
1138 * configure.ac: Adjust usage.
1139 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
1140 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
1141 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
1143 2008-11-10 Di-an Jan <dianj@freeshell.org>
1145 Workaround Java's ``code too large'' problem for parser tables
1146 in most cases, by using one function per initialization.
1147 * data/java.m4 (b4_typed_parser_table, b4_integral_parser_table): New.
1148 * data/lalr1.java (yypact_, yydefact_, yypgoto_, yydefgoto_,
1149 yytable_, yycheck_, yystos_, yytoken_number_, yyr1_, yyr2_, yyrhs_
1150 yyprhs_, yyrline_, yytranslate_table_): Use b4_integral_parser_table.
1151 (yytname_): Use b4_typed_parser_table.
1152 * doc/bison.texinfo (Java Bison Interface): Add note on Java's
1153 ``code too large'' error.
1155 2008-11-10 Di-an Jan <dianj@freeshell.org>
1157 * NEWS: Document them.
1159 General Java skeleton improvements.
1160 * configure.ac (gt_JAVACOMP): Request target of 1.4, which allows
1161 using gcj < 4.3 in the testsuite, according to comments in
1162 gnulib/m4/javacomp.m4.
1163 * data/java.m4 (stype, parser_class_name, lex_throws, throws,
1164 location_type, position_type): Remove extraneous brackets from
1165 b4_percent_define_default.
1166 (b4_lex_param, b4_parse_param): Remove extraneous brackets from
1167 m4_define and m4_define_default.
1168 * data/lalr1.java (b4_pre_prologue): Change to b4_user_post_prologue,
1169 which marks the end of user code with appropriate syncline, like all
1170 the other skeletons.
1171 (b4_user_post_prologue): Add. Don't silently drop.
1173 (parse): Inline yylex.
1174 * doc/bison.texinfo (bisonVersion, bisonSkeleton): Document.
1175 (%{...%}): Fix typo of %code imports.
1176 * tests/java.at (AT_JAVA_COMPILE): Add "java" keyword.
1178 Support annotations on parser class with %define annotations.
1179 * data/lalr1.java (annotations): Add to parser class modifier.
1180 * doc/bison.texinfo (Java Parser Interface): Document
1181 %define annotations.
1182 (Java Declarations Summary): Document %define annotations.
1183 * tests/java.at (Java parser class modifiers): Test annotations.
1185 Do not generate code for %error-verbose unless requested.
1186 * data/lalr1.java (errorVerbose): Rename to yyErrorVerbose.
1187 Make private. Make conditional on %error-verbose.
1188 (getErrorVerbose, setErrorVerbose): New.
1189 (yytnamerr_): Make conditional on %error-verbose.
1190 (yysyntax_error): Make some code conditional on %error-verbose.
1191 * doc/bison.texinfo (Java Bison Interface): Remove the parts
1192 about %error-verbose having no effect.
1193 (getErrorVerbose, setErrorVerbose): Document.
1195 Move constants for token names to Lexer interface.
1196 * data/lalr1.java (Lexer): Move EOF, b4_token_enums(b4_tokens) here.
1197 * data/java.m4 (b4_token_enum): Indent for move to Lexer interface.
1198 (parse): Qualify EOF to Lexer.EOF.
1199 * doc/bison.texinfo (Java Parser Interface): Move documentation of
1200 EOF and token names to Java Lexer Interface.
1201 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove Calc qualifier.
1203 Make yyerror public.
1204 * data/lalr1.java (Lexer.yyerror): Use longer parameter name.
1205 (yyerror): Change to public. Add Javadoc comments. Use longer
1206 parameter names. Make the body rather than the declarator
1207 conditional on %locations.
1208 * doc/bison.texinfo (yyerror): Document. Don't mark as protected.
1210 Allow user to add code to the constructor with %code init.
1211 * data/java.m4 (b4_init_throws): New, for %define init_throws.
1212 * data/lalr1.java (YYParser.YYParser): Add b4_init_throws.
1213 Add %code init to the front of the constructor body.
1214 * doc/bison.texinfo (YYParser.YYParser): Document %code init
1215 and %define init_throws.
1216 (Java Declarations Summary): Document %code init and
1217 %define init_throws.
1218 * tests/java.at (Java %parse-param and %lex-param): Adjust grep.
1219 (Java constructor init and init_throws): Add tests.
1221 2008-11-10 Akim Demaille <demaille@gostai.com>
1224 * TODO (-D): is implemented.
1225 (associativity): Same precedence must have the same associativity.
1226 For instance, how can a * b / c be parsed if * is %left and / is
1228 (YYERRORCODE, YYFAIL, YYBACKUP): New.
1230 2008-11-10 Akim Demaille <demaille@gostai.com>
1234 2008-11-10 Akim Demaille <demaille@gostai.com>
1236 More information about the symbols.
1237 * src/output.c (type_names_output): Document all the symbols,
1238 including those that don't have a type-name.
1239 (symbol_definitions_output): Define "is_token" and
1241 * data/lalr1.cc (b4_type_action_): Skip symbols that have an empty
1242 type-name, now that they are defined too in b4_type_names.
1244 2008-11-10 Akim Demaille <demaille@gostai.com>
1248 2008-11-10 Akim Demaille <demaille@gostai.com>
1250 Make parser::yytranslate static.
1251 Small speedup (1%) on the list grammar. And makes yytranslate_
1252 available in non member functions.
1254 * data/lalr1.cc (yytranslate_): Does not need to be a instance
1257 2008-11-10 Akim Demaille <demaille@gostai.com>
1259 Avoid trailing spaces.
1260 * data/c.m4: b4_comment(TEXT): Don't indent empty lines.
1261 * data/lalr1.cc: Don't indent before rule and symbol actions, as
1262 they can be empty, and anyway this incorrectly indents the first
1265 2008-11-10 Akim Demaille <demaille@gostai.com>
1269 2008-11-10 Akim Demaille <demaille@gostai.com>
1271 Use "enum" for integral constants.
1272 This is just nicer to read, I observed no speedup.
1274 * data/lalr1.cc (yyeof_, yylast_, yynnts_, yyempty_, yyfinal_)
1275 (yterror_, yyerrcode_, yyntokens_): Define as members of an enum.
1276 (yyuser_token_number_max_, yyundef_token_): Move into...
1277 (yytranslate_): here.
1279 2008-11-10 Akim Demaille <demaille@gostai.com>
1281 Shortcuts in bench directives.
1282 * etc/bench.pl.in (parse_dirs): New.
1284 (bench_variant_parser, bench_fusion_parser): Use %s and %d.
1285 Create the benches in "benches/".
1287 2008-11-10 Akim Demaille <demaille@gostai.com>
1290 * data/lalr1.cc: here.
1292 2008-11-10 Akim Demaille <demaille@gostai.com>
1294 Adjust verbose message to using emacs.
1295 * etc/bench.pl.in: Inform compilation-mode when we change the
1297 (generate_grammar_list): Recognize %define "variant" in addition
1300 2008-11-10 Akim Demaille <demaille@gostai.com>
1302 Classify symbols by type-name.
1303 * src/uniqstr.h (UNIQSTR_CMP): New.
1304 * src/output.c (symbol_type_name_cmp, symbols_by_type_name)
1305 (type_names_output): New.
1306 (muscles_output): Use it.
1307 * data/lalr1.cc (b4_symbol_action_): Remove.
1308 (b4_symbol_case_, b4_type_action_): New.
1309 Adjust uses of b4_symbol_action_ to use b4_type_action_.
1311 2008-11-10 Akim Demaille <demaille@gostai.com>
1313 Change the handling of the symbols in the skeletons.
1314 Before we were using tables which lines were the symbols and which
1315 columns were things like number, tag, type-name etc. It is was
1316 difficult to extend: each time a column was added, all the numbers had
1317 to be updated (you asked for colon $2, not for "tag"). Also, it was
1318 hard to filter these tables when only a subset of the symbols (say the
1319 tokens, or the nterms, or the tokens that have and external number
1320 *and* a type-name) was of interest.
1322 Now instead of monolithic tables, we define one macro per cell. For
1323 instance "b4_symbol(0, tag)" is a macro name which contents is
1324 self-decriptive. The macro "b4_symbol" provides easier access to
1327 * src/output.c (type_names_output): Remove.
1328 (symbol_numbers_output, symbol_definitions_output): New.
1329 (muscles_output): Call them.
1330 (prepare_symbols): Define b4_symbols_number.
1332 2008-11-10 Akim Demaille <demaille@gostai.com>
1335 * src/getargs.h, src/getargs.c (trace_muscle): New.
1336 (trace_types, trace_args): Support it.
1337 * src/output.c (output_skeleton): Use it.
1339 2008-11-10 Akim Demaille <demaille@gostai.com>
1342 * src/output.c (muscles_output): New, extracted from...
1343 (output_skeleton): here.
1346 2008-11-10 Akim Demaille <demaille@gostai.com>
1350 2008-11-10 Akim Demaille <demaille@gostai.com>
1352 Update the variant example.
1353 * examples/variant.yy: Formatting changes.
1356 2008-11-10 Akim Demaille <demaille@gostai.com>
1358 Support constructor with an argument.
1359 This improves the "list" bench by 2%.
1361 * data/lalr1.cc (variant::build): Add an overloaded version with
1363 * tests/c++.at (AT_CHECK_VARIANT): Check it.
1365 2008-11-10 Akim Demaille <demaille@gostai.com>
1368 * tests/c++.at (AT_CHECK_VARIANTS): New.
1369 Use it with and without %define assert.
1371 2008-11-10 Akim Demaille <demaille@gostai.com>
1373 Add %precedence support.
1374 Unfortunately it is not possible to reuse the %prec directive. This
1375 is because to please POSIX, we do not require to end the rules with a
1376 semicolon. As a result,
1380 is ambiguous: either a rule which precedence is that of baz, or a rule,
1381 and then a declaration of the precedence of the token baz.
1383 * doc/bison.texinfo: Document %precedence.
1384 (Precedence Only): New.
1385 * src/assoc.h, src/assoc.c (precedence_assoc): New.
1386 * src/conflicts.c (resolve_sr_conflict): Support it.
1387 * src/scan-gram.l, src/parse-gram.y (%precedence): New token.
1389 * tests/calc.at: Use %precedence for NEG.
1390 * tests/conflicts.at (%precedence does not suffice)
1391 (%precedence suffices): New tests.
1393 2008-11-09 Akim Demaille <demaille@gostai.com>
1395 Make benches in a sub dirs.
1396 * etc/bench.pl.in ($dir): New.
1398 Check the use of constructors with an argument.
1399 (bench_variant_parser): Fix.
1401 2008-11-09 Akim Demaille <demaille@gostai.com>
1405 2008-11-09 Akim Demaille <demaille@gostai.com>
1409 2008-11-09 Akim Demaille <demaille@gostai.com>
1411 Require the generation of parse-gram.output.
1412 * src/Makefile.am (YACC): Pass --report=all.
1414 2008-11-09 Akim Demaille <demaille@gostai.com>
1418 2008-11-09 Akim Demaille <demaille@gostai.com>
1421 * TODO: Remove obsolete items.
1424 2008-11-09 Akim Demaille <demaille@gostai.com>
1427 * etc/bench.pl.in (parse, parse_expr, parse_term, parse_fact)
1428 (@token, $grammar, $bench): New.
1429 (generate_grammar_variant): Rename as...
1430 (generate_grammar_list): this.
1431 (generate_grammar): Adjust.
1432 (bench_grammar): Rename as...
1434 Use it in the various bench-marking routines.
1435 (-b, -g): New options.
1437 2008-11-09 Akim Demaille <demaille@gostai.com>
1439 Use a static hierarchy for symbols in the C++ parser.
1440 * data/lalr1.cc (symbol_base_type, symbol_type)
1441 (stack_symbol_type): Make it a static hierarchy.
1442 Adjust dependencies.
1444 2008-11-09 Akim Demaille <demaille@gostai.com>
1446 bench.pl -d, --directive.
1447 * etc/bench.pl.in (@directive): New.
1448 (&bench_grammar): Use it.
1449 (&bench_list_grammar): New, to provide access to the "variant"
1452 (getopts): Support -d, --directive.
1454 2008-11-09 Akim Demaille <demaille@gostai.com>
1456 Use inline for small operations.
1457 * data/lalr1.cc (symbol_base_type, symbol_type)
1458 (stack_symbol_type): Declare constructor and other operations as
1460 (yy_destroy_): Inline.
1462 2008-11-09 Akim Demaille <demaille@gostai.com>
1464 Introduce a hierarchy for symbols.
1465 * data/lalr1.cc (symbol_base_type, symbol_type): New.
1466 (data_type): Rename as...
1467 (stack_symbol_type): this.
1468 Derive from symbol_base_type.
1469 (yy_symbol_value_print_): Merge into...
1470 (yy_symbol_print_): this.
1473 (yydestruct_): Rename as...
1474 (yy_destroy_): this.
1475 (b4_symbols_actions, YY_SYMBOL_PRINT): Adjust.
1476 (parser::parse): yyla is now of symbol_type.
1477 Use its type member instead of yytoken.
1479 2008-11-09 Akim Demaille <demaille@gostai.com>
1481 Rename data_type and stack_symbol_type.
1482 * data/lalr1.cc (data_type): Rename as...
1483 (stack_symbol_type): this.
1485 2008-11-09 Akim Demaille <demaille@gostai.com>
1487 Handle semantic value and location together.
1488 * data/lalr1.cc (b4_symbol_actions): Bounce $$ and @$ to
1489 yydata.value and yydata.location.
1490 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_)
1491 (YY_SYMBOL_PRINT): Now take semantic value and location as a
1494 (yydestruct_): New overload for a stack symbol.
1496 2008-11-09 Akim Demaille <demaille@gostai.com>
1498 Push a complete symbol, not connected parts.
1499 * data/lalr1.cc (yypush_): Take a data_type&, not disconnected
1500 state, value and location.
1503 2008-11-09 Akim Demaille <demaille@gostai.com>
1505 Agregate yylval and yylloc.
1506 * data/lalr1.cc (parser::yylval, parser::yylloc): Replace by...
1507 (parser::yyla): this.
1509 2008-11-09 Akim Demaille <demaille@gostai.com>
1511 Rely on the state stack to display reduction traces.
1512 To display rhs symbols before a reduction, we used information
1513 about the rule reduced, which required the tables yyrhs and
1514 yyprhs. Now use rely only on the state stack to get the same
1517 * data/lalr1.cc (b4_rhs_data, b4_rhs_state): New.
1519 (parser::yyrhs_, parser::yyprhs_): Remove.
1520 (parser::yy_reduce_print_): Use the state stack.
1522 2008-11-09 Akim Demaille <demaille@gostai.com>
1524 Fuse yyval and yyloc into yylhs.
1525 * data/lalr1.cc (b4_lhs_value, b4_lhs_location): Adjust to using
1527 (parse): Replace yyval and yyloc with yylhs.value and
1529 After a user action, compute yylhs.state earlier.
1530 (yyerrlab1): Do not play tricks with yylhs.location, rather, use a
1533 2008-11-09 Di-an Jan <dianj@freeshell.org>
1535 Remove unused variable.
1536 * src/output.c (type_names_output): Remove unused variable sep.
1538 2008-11-09 Paolo Bonzini <bonzini@gnu.org>
1540 Change tests/output.at quoting.
1541 * tests/output.at (AT_CHECK_OUTPUT): Use conventional m4 quoting when
1542 expanding arguments.
1544 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1546 Don't add a semicolon to actions for %skeleton or %language.
1547 It breaks Java test cases as reported by Akim Demaille.
1548 * src/scan-code.l: Implement.
1550 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1552 Clean up %skeleton and %language priority implementation.
1553 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
1554 remove static qualifier because others will soon need to see it.
1555 (language_prio): Likewise.
1556 (getargs): Use command_line_prio rather than 0.
1557 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
1559 (skeleton_prio): Extern it.
1560 (language_prio): Extern it.
1561 * src/parse-gram.y: Use grammar_prio rather than 1.
1563 2008-11-07 Akim Demaille <demaille@gostai.com>
1565 Moving push traces into yypush_.
1566 * data/lalr1.cc (yypush_): Now takes a optional trace message.
1569 2008-11-07 Akim Demaille <demaille@gostai.com>
1571 The single-stack C++ parser is now the standard one.
1572 * data/lalr1.cc: Rename as...
1573 * data/lalr1-split.cc: this.
1574 * data/lalr1-fusion.cc: Rename as...
1575 * data/lalr1.cc: this.
1576 * etc/bench.pl.in: Adjust.
1578 2008-11-07 Akim Demaille <demaille@gostai.com>
1580 Avoid empty-if warnings.
1581 Reported by Quentin Hocquet.
1583 * data/lalr1-fusion.cc (YY_SYMBOL_PRINT, YY_REDUCE_PRINT)
1584 (YY_STACK_PRINT): Provide some contents even when !YYDEBUG.
1586 2008-11-07 Akim Demaille <demaille@gostai.com>
1588 Pass command line location to skeleton_arg and language_argmatch.
1589 * src/getargs.h, src/getargs.c (skeleton_arg, language_argmatch):
1590 The location argument is now mandatory.
1591 Adjust all dependencies.
1592 (getargs): Use command_line_location.
1594 2008-11-07 Akim Demaille <demaille@gostai.com>
1597 * src/getargs.c (usage): Document -D.
1598 Fix help string for --locations.
1599 (command_line_location): New.
1600 (short_options, long_options, getargs): Support -D, --define.
1601 (getargs): Move -d support at the right place.
1602 * doc/bison.texinfo (Bison Options): Update.
1603 * tests/input.at (%define, --define): New.
1605 2008-11-07 Akim Demaille <demaille@gostai.com>
1607 Initialize the muscle table before parsing the command line.
1608 * src/getargs.c (quotearg.h, muscle_tab.h): Include.
1609 (getargs): Define file_name.
1610 * src/main.c (main): Initialize muscle_tab before calling
1612 * src/muscle_tab.c (muscle_init): No longer define file_name, as
1613 its value is not available yet.
1615 2008-11-07 Akim Demaille <demaille@gostai.com>
1617 Locations without columns for command line arguments.
1618 * src/location.c (location_print): Don't display negative columns.
1619 * src/location.h: Document this.
1621 2008-11-07 Akim Demaille <demaille@gostai.com>
1624 * src/getargs.c (usage): Fix help string for -W.
1626 2008-11-07 Akim Demaille <demaille@gostai.com>
1628 Handle more general types of option arguments.
1629 * build-aux/cross-options.pl: The argument ends at the first
1630 space, not the first non-symbol character.
1631 Use @var for each word appearing the argument description.
1633 2008-11-07 Akim Demaille <demaille@gostai.com>
1635 Destroy the variants that remain on the stack in case of error.
1636 * data/lalr1-fusion.cc (yydestruct_): Invoke the variant's
1638 Display the value only if yymsg is nonnull.
1639 (yyreduce): Invoke yydestruct_ when popping lhs symbols.
1641 2008-11-07 Akim Demaille <demaille@gostai.com>
1643 Add "%define assert" to variants.
1644 This is used to help the user catch cases where some value gets
1645 ovewritten by a new one. This should not happen, as this will
1648 Unfortunately this uncovered a bug in the C++ parser itself: the
1649 lookahead value was not destroyed between two calls to yylex. For
1650 instance if the previous lookahead was a std::string, and then an int,
1651 then the value of the std::string was correctly taken (i.e., the
1652 lookahead was now an empty string), but std::string structure itself
1655 This is now done in variant::build(other&) (which is used to take the
1656 value of the lookahead): other is not only stolen from its value, it
1657 is also destroyed. This incurs a new performance penalty of a few
1658 percent, and union becomes faster again.
1660 * data/lalr1-fusion.cc (variant::build(other&)): Destroy other.
1661 (b4_variant_if): New.
1662 (variant::built): New.
1663 Use it whereever the status of the variant changes.
1664 * etc/bench.pl.in: Check the penalty of %define assert.
1666 2008-11-07 Akim Demaille <demaille@gostai.com>
1668 Use "%define variant" in bench.pl.
1669 * etc/bench.pl.in: No longer use the pseudo directive %variants,
1670 just use %define variants.
1672 2008-11-07 Akim Demaille <demaille@gostai.com>
1675 * src/parse-gram.h, src/parse-gram.c: Regen.
1677 2008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
1679 Fix user actions without a trailing semicolon.
1680 Reported by Sergei Steshenko at
1681 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
1682 * THANKS (Sergei Steshenko): Add.
1683 * src/scan-code.l (SC_RULE_ACTION): Fix it.
1684 * tests/regression.at (Fix user actions without a trailing semicolon):
1687 2008-11-04 Akim Demaille <demaille@gostai.com>
1689 Use b4_copyright_years.
1690 * data/yacc.c (b4_copyright_years): New.
1691 Fix its value according to the comments in the file.
1692 Use it and undefine it.
1694 2008-11-04 Akim Demaille <demaille@gostai.com>
1697 * data/lalr1-fusion.cc, src/parse-gram.y: here.
1699 2008-11-04 Akim Demaille <demaille@gostai.com>
1702 * data/lalr1-fusion.cc: here.
1704 2008-11-04 Akim Demaille <demaille@gostai.com>
1706 Use strict on bench.pl.
1707 * etc/bench.pl.in (&run, &generate_grammar): New.
1708 Rename the grammar generating functions for consistency.
1709 Change the interface so that the list of benches to run is passed
1710 as (optionless) arguments.
1711 (&compile): Use &run.
1713 2008-11-04 Akim Demaille <demaille@gostai.com>
1715 Remove spurious initial empty lines.
1716 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
1717 * data/yacc.c: End the @output lines with an @.
1719 2008-11-04 Akim Demaille <demaille@gostai.com>
1721 Improve the display of sizes.
1722 * etc/bench.p.in: Higher precision.
1723 Sort by decreasing size.
1725 2008-11-04 Akim Demaille <demaille@gostai.com>
1727 Don't memcpy C++ structures.
1728 * data/lalr1-fusion.cc (b4_symbol_variant): Adjust additional
1730 (variant::build): New overload for
1731 copy-construction-that-destroys.
1732 (variant::swap): New.
1733 (parser::yypush_): Use it in variant mode.
1735 2008-11-04 Akim Demaille <demaille@gostai.com>
1737 Better defaults for bench.pl.
1738 * etc/bench.pl.in ($verbose, $cflags, $iterations): Change the
1740 Adjust &verbose uses.
1743 2008-11-04 Akim Demaille <demaille@gostai.com>
1745 Make variant.yy more complex.
1746 std::list cannot be copied via memcpy, they are more demanding than
1747 std::string. Use one std::list to strengthen the test.
1749 * examples/variant.yy: Use lalr1-fusion.cc, not lalr1.cc.
1751 Create a list of strings, instead of a single large string.
1753 2008-11-04 Akim Demaille <demaille@gostai.com>
1756 * etc/bench.pl.in (--bench, $bench): New.
1758 2008-11-04 Akim Demaille <demaille@gostai.com>
1761 * data/lalr1-fusion.cc (destroy): Use as() in its definition.
1762 Define it after as().
1764 2008-11-04 Akim Demaille <demaille@gostai.com>
1767 * data/lalr1-fusion.cc (b4_rhs_location): Remove useless parens.
1769 2008-11-04 Akim Demaille <demaille@gostai.com>
1771 Issue missing synclines after user actions.
1772 * data/c.m4 (b4_case): Issue synclines on the output file.
1774 2008-11-04 Akim Demaille <demaille@gostai.com>
1776 Remove trailing empty line.
1777 * data/lalr1-fusion.cc: Don't add an empty line after the user's
1780 2008-11-04 Akim Demaille <demaille@gostai.com>
1782 Fix output of copyright years.
1783 * data/bison.m4 (b4_copyright): Fix the indentation of the
1784 copyright year paragraph.
1785 Use b4_copyright_years when no years are given.
1786 * data/lalr1.cc, data/lalr1-fusion.cc, data/location.cc
1787 (b4_copyright_years): New.
1790 2008-11-04 Akim Demaille <demaille@gostai.com>
1792 Avoid the spurious initial empty line.
1793 * data/lalr1-fusion.cc, data/location.cc: Put a trailing "@" at
1794 the end of @output request to suppress the empty line that
1797 2008-11-04 Akim Demaille <demaille@gostai.com>
1799 Remove parser::rhs_number_type.
1800 * data/lalr1-fusion.cc (rhs_number_type): No longer define it.
1801 (yyrhs_): Use b4_table_define.
1803 2008-11-04 Akim Demaille <demaille@gostai.com>
1806 * data/lalr1-fusion.cc: Use an int to iterate up to an int.
1808 2008-11-04 Akim Demaille <demaille@gostai.com>
1810 Factor the declaration of the integer tables.
1811 * data/lalr1-fusion.cc (b4_table_define): New.
1814 2008-11-03 Akim Demaille <demaille@gostai.com>
1816 Fix indentation of tables in lalr1.cc
1817 * data/lalr1-fusion.cc: Fix the indentation.
1819 2008-11-03 Akim Demaille <demaille@gostai.com>
1821 Destroy the lhs symbols after reduction.
1822 * data/lalr1-fusion.cc (parse): After the user action, when in
1823 variant mode, destroy the lhs symbols.
1825 2008-11-03 Akim Demaille <demaille@gostai.com>
1827 Simplify yysyntax_error_ use.
1828 * data/lalr1-fusion.cc (yysyntax_error_): Always pass it the token
1829 type, but make it unnamed in the declaration when it is not used.
1831 2008-11-03 Akim Demaille <demaille@gostai.com>
1833 Let yy::variant::build return an lvalue.
1834 * data/lalr1-fusion.cc (variant::build): Return a reference to the
1837 2008-11-03 Akim Demaille <demaille@gostai.com>
1839 Define yy::variant only when needed.
1840 * data/lalr1-fusion.cc (yy::variant): Define only if variants are
1843 2008-11-03 Akim Demaille <demaille@gostai.com>
1845 Bench the three-stack lalr1.cc.
1846 * etc/bench.pl.in: Bench the three-stack lalr1.cc vs. the
1849 2008-11-03 Akim Demaille <demaille@gostai.com>
1851 Fail on parse error in calc++.
1852 * doc/bison.texinfo (calc++.cc): Propagate failures to the exit
1854 * examples/calc++/test ($me, $number, $exit, run): New.
1855 Use them to propagate errors to the exit status.
1857 2008-11-03 Akim Demaille <demaille@gostai.com>
1859 Don't specify the skeleton twice in the example.
1860 * examples/calc++/Makefile.am: Don't pass -S to Bison, the grammar
1861 file does what is needed.
1863 2008-11-03 Akim Demaille <demaille@gostai.com>
1865 bench: Improve output.
1866 * etc/bench.pl.in (bench_grammar): Tune the printf format.
1868 2008-11-03 Akim Demaille <demaille@gostai.com>
1870 bench: check impact of %debug on variants.
1871 * etc/bench.pl.in (variant_grammar): Fix the computation of
1873 Generate a grammar file that can work with or without %debug.
1874 Do use the @directive.
1875 (bench_variant_parser): Check impact of %debug.
1876 (@directives): Rename all the occurrences to...
1877 (@directive): this, for consistency.
1879 2008-11-03 Akim Demaille <demaille@gostai.com>
1881 bench: report the size too.
1882 * etc/bench.pl.in ($iterations): Defaults to -3.
1883 (&bench_grammar): Require hireswallclock.
1884 Compute and display the size of the result.
1887 2008-11-03 Akim Demaille <demaille@gostai.com>
1889 bench: More use of the verbosity level.
1890 * etc/bench.pl.in ($verbose, &verbose): New.
1892 More POD documentation.
1894 2008-11-03 Akim Demaille <demaille@gostai.com>
1896 bench.pl: a command line interface
1897 * etc/bench.pl.in: More doc.
1898 Some fixes in the documentation.
1899 ($cflags, $iterations, &help, &getopt): New.
1901 (&variant_grammar): Let the number of stages be 10 times what is
1904 2008-11-03 Akim Demaille <demaille@gostai.com>
1906 Bench the use of Boost.Variants.
1907 * etc/bench.pl.in ($cxx, &variant_grammar, &bench_variant_parser):
1909 (&compile): Be ready to compile C++ parsers.
1910 (&bench_push_parser): Move debug information to the outermost
1912 * THANKS: Add Michiel De Wilde.
1914 2008-11-03 Akim Demaille <demaille@gostai.com>
1916 bench.pl: Pass directives as a list instead of as a string.
1917 * etc/bench.pl.in (&directives): New.
1918 (&triangular_grammar, &calc_grammar): Use it to format the Bison
1920 (&triangular_grammar): Do use the directives (were ignored).
1921 (&bench_grammar, &bench_push_parser): Adjust to pass lists of
1924 2008-11-03 Akim Demaille <demaille@gostai.com>
1926 Improve genericity of bench.pl.
1927 * etc/bench.pl.in (&bench_grammar): Take the set of benches as
1929 (&bench_push_parser): New.
1932 2008-11-03 Akim Demaille <demaille@gostai.com>
1934 Add documentation to bench.pl.
1935 * etc/bench.pl.in: Comment changes.
1937 2008-11-03 Akim Demaille <demaille@gostai.com>
1939 Fuse the three stacks into a single one.
1941 In order to make it easy to perform benchmarks to ensure that
1942 there are no performance loss, lalr1.cc is forked into
1943 lalr1-fusion.cc. Eventually, lalr1-fusion.cc will replace
1946 Meanwhile, to make sure that lalr1-fusion.cc is correctly
1947 exercized by the test suite, the user must install a symbolic link
1948 from lalr1.cc to it.
1950 Instead of having three stacks (state, value, location), use a
1951 stack of triples. This considerably simplifies the code (and it
1952 will be easier not to require locations as currently does the C++
1953 parser), and also gives a 10% speedup according to
1954 etc/bench (probably mainly since memory allocation is done once
1955 instead of three times).
1957 Another motivation is to make it easier to destruct properly
1958 semantic values: now that they are bound to their state (hence
1959 symbol type) it will be easier to call the appropriate destructor.
1961 These changes should probably benefit the C parser too.
1963 * data/lalr1.cc: Copy as...
1964 * data/lalr1-fusion.cc: this new file.
1965 (b4_rhs_value, b4_rhs_location): New definitions overriding those
1967 (state_stack_type, semantic_stack_type, location_stack_type)
1968 (yystate_stack_, yysemantic_stack_, yylocation_stack_): Remove.
1969 (data_type, stack_type, yystack_): New.
1970 (YYLLOC_DEFAULT, yypush_): Adjust.
1971 (yyerror_range): Now based on data_type, not location_type.
1973 2008-11-03 Akim Demaille <demaille@gostai.com>
1975 Push the state, value, and location at the same time.
1976 This is needed to prepare a forthcoming patch that fuses the three
1979 * data/lalr1.cc (parser::yypush_): New.
1980 (parser::yynewstate): Change the semantics: instead of arriving to
1981 this label when value and location have been pushed, but yystate
1982 is to be pushed on the state stack, now the three of them must
1983 have been pushed before. yystate still must be the new state.
1984 This allows to use yypush_ everywhere instead of individual
1985 handling of the stacks.
1987 2008-11-03 Akim Demaille <demaille@gostai.com>
1989 Prefer references to pointers.
1990 * data/lalr1.cc (b4_symbol_actions): New, overrides the default C
1991 definition to use references instead of pointers.
1992 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_):
1993 Take the value and location as references.
1996 2008-11-03 Akim Demaille <demaille@gostai.com>
1998 stack::size instead of stack::height.
1999 * data/lalr1.cc (stack::height): Rename as...
2000 (stack::size): this.
2001 Fix the output type.
2004 2008-11-03 Akim Demaille <demaille@gostai.com>
2006 Use variants to support objects as semantic values.
2007 This patch was inspired by work by Michiel De Wilde. But he used
2008 Boost variants which (i) requires Boost on the user side, (ii) is
2009 slow, and (iii) has useless overhead (the parser knows the type of
2010 the semantic value there is no reason to duplicate this
2011 information as Boost.Variants do).
2013 This implementation reserves a buffer large enough to store the
2014 largest objects. yy::variant implements this buffer. It was
2015 implemented with Quentin Hocquet.
2017 * src/output.c (type_names_output): New.
2018 (output_skeleton): Invoke it.
2019 * data/c++.m4 (b4_variant_if): New.
2020 (b4_symbol_value): If needed, provide a definition for variants.
2021 * data/lalr1.cc (b4_symbol_value, b4_symbol_action_)
2022 (b4_symbol_variant, _b4_char_sizeof_counter, _b4_char_sizeof_dummy)
2023 (b4_char_sizeof, yy::variant): New.
2024 (parser::parse): If variants are requested, define
2025 parser::union_type, parser::variant, change the definition of
2026 semantic_type, construct $$ before running the user action instead
2027 of performing a default $$ = $1.
2028 * examples/variant.yy: New.
2029 Based on an example by Michiel De Wilde.
2031 2008-11-03 Akim Demaille <demaille@gostai.com>
2033 Parameterize the extraction of semantic values.
2034 To make future changes easier, no longer rely on ".TYPE" being the
2035 way to get a semantic value.
2037 * data/c.m4 (b4_symbol_value): New.
2039 * data/c++.m4, data/yacc.c: Use it.
2040 * data/glr.c: Use b4_symbol_value.
2044 2008-11-03 Akim Demaille <demaille@gostai.com>
2046 Prepare easier M4 changes.
2047 * data/lalr1.cc: Use escaped [] instead of literals to prepare
2050 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2052 Initiate further development.
2053 * NEWS: Create an empty section for new entries.
2054 * gnulib: Update submodule to HEAD.
2056 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2058 * NEWS: Version 2.4.
2060 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2062 Prepare for next release.
2063 * NEWS: Briefly mention changes since 2.3b.
2064 * README: Say GNU m4 1.4.6, which we've been requiring in release
2065 announcements already, not 1.4.3, which breaks the build.
2067 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2069 Say %language is experimental.
2070 We're thinking of extending it's effect on output file naming. See the
2072 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
2073 * NEWS: Say it's experimental.
2074 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
2075 recommend it over %skeleton for now.
2076 (Bison Options): Likewise.
2077 (C++ Bison Interface): Use %skeleton not %language.
2078 (Calc++ Parser): Use %skeleton not %language.
2079 * src/getargs.c (usage): Say it's experimental.
2081 2008-11-01 Di-an Jan <dianj@freeshell.org>
2082 Paolo Bonzini <bonzini@gnu.org>
2084 Support all Java parser class modifiers.
2085 * data/java.m4 (b4_percent_define_get3): New.
2086 (b4_final_if, b4_strictfp_if): New.
2087 * data/lalr1.java (final, strictfp, extends, implements): Support.
2088 * doc/bison.texinfo (final, strictfp, extends, implements): Add
2090 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
2091 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
2092 (AT_CHECK_JAVA_GREP): New.
2093 (Java parser class modifiers): New test.
2094 (Java parser class extends and implements): New test.
2096 Model exception propagation better with throws and lex_throws.
2097 * data/java.m4 (b4_list2): New.
2098 (throws): Change default.
2099 * data/lalr1.java (yyaction): Add throws.
2100 (parse): Add lex_throws in addition to throws.
2101 * doc/bison.texinfo (throws, lex_throws): Add documentation.
2102 * tests/java.at (Java throws specifications): New test.
2104 Improve documentation for Java parsers.
2105 * doc/bison.texinfo (Java Parsers): Add subsections.
2106 Don't quote first argument of %define.
2107 (Java Bison Interface): Document output files. Move documentation
2108 of parser class and merge into Java Parser Interface. Document
2109 features that error out. Document directives with no effect.
2110 Move note about Javadoc higher.
2111 (Java Semantic Values): Explicitly mention stype.
2112 Document that generic types cannot be used.
2113 (Java Location Values): Use @deftypeivar. Document constructors.
2114 Correct return value for toString.
2115 (Java Parser Interface): List undocumented constants/fields.
2116 Move documentation of fields added by %parse-param closer to list
2117 of members. Document that token names are added as fields.
2118 Document constructors accurately. Remove error method.
2119 (Java Scanner Interface): Move note on %pure-parser to Java Bison
2120 Interface. Describe %code lexer and yylex accutately.
2121 Remove documentation that does not match the code.
2122 (Java Action Features): New.
2123 (Java Differences): Add reference. Add item on semantic values.
2124 Add note about @{ ... @}. Clarify %% epilogue placement.
2125 (Java Declarations Summary): New.
2128 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
2129 (b4_remove_comma): Quote test argument.
2130 (b4_identification): Remove "bison" field.
2131 * tests/java.at (Java parser class and package names): New test.
2132 (Java %parse-param and %lex-param): New test.
2133 (Java stype, position_class and location_class): New test.
2135 2008-10-31 Di-an Jan <dianj@freeshell.org>
2137 * data/lalr1.jave: Update copyright years.
2138 (YYParser): Correct name of "generated from" file in Javadoc:
2139 use b4_file_name instead of @ofile@.
2140 (Location constructor): Correct Javadoc parameter name.
2141 (yylloc): Add missing opening m4 quote after b4_location_if.
2142 This removes a stray [ in the Javadoc of Lexer.getStartPos.
2143 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
2144 (YYParser constructor): Correct Javadoc parameter name.
2146 2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
2148 Always put auxiliary code files in the same dir as other output files.
2149 * src/files.c (compute_file_name_parts): When the user specifies
2150 --output but not --file-prefix, extract the directory prefix from the
2151 file prefix not from the grammar file name. This affects the location
2152 of files like location.hh generated by the C++ skeleton. The includes
2153 in the other output files require this fix.
2154 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
2155 for expected output files.
2156 (Output files): Add a test for the above.
2158 2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
2160 * gnulib: Update submodule to HEAD.
2162 2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
2164 Update copyright year.
2165 * src/files.c: Here.
2167 2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
2169 Don't overwrite the input file.
2170 * src/files.c (output_file_name_check): Fatal error if using input file
2172 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
2174 (Conflicting output files): Add test.
2176 2008-10-28 Akim Demaille <demaille@gostai.com>
2179 * data/lalr1.cc: Formatting changes.
2181 2008-10-28 Akim Demaille <demaille@gostai.com>
2183 Don't define debugging functions when !YYDEBUG.
2184 * data/lalr1.cc (debug_stream, set_debug_stream)
2185 (debug_level_type, debug_level, set_debug_level): Don't
2186 declare them when YYDEBUG is not defined.
2187 The implementation are already YYDEBUG-aware.
2189 2008-10-28 Akim Demaille <demaille@gostai.com>
2191 Prefer "continue" for empty loop bodies.
2192 * etc/bench.pl.in: Use "continue" instead of {}.
2194 2008-10-28 Akim Demaille <demaille@gostai.com>
2196 Space and comments changes.
2197 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
2198 * data/c.m4, data/lalr1.cc: Space changes.
2200 2008-10-28 Akim Demaille <demaille@gostai.com>
2202 Make gnulib a submodule.
2204 * .gitmodules (gnulib): New.
2206 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2208 Fix yyerror_range for user-defined location type in C++. Reported by
2210 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
2211 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
2212 * THANKS (Georg Sauthoff): Add.
2214 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2216 Update several administrative files mainly to facilitate releasing.
2217 * HACKING (Administrivia): Make the git-merge-changelog notes more
2219 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
2220 (Release Procedure): Update for git and add numerous details that were
2222 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
2223 * maint.mk (announcement): Don't list bison as a bootstrap tool so
2224 that announcements don't claim we bootstrapped with whatever bison
2225 happened to be in PATH. Add flex as a bootstrap tool.
2226 * Makefile.maint: Remove, previously replaced by maint.mk.
2227 * Makefile.cfg: Remove, and migrate settings to...
2228 * cfg.mk: ... here for the sake of `make announcement'.
2229 * bootstrap.conf (gnulib_modules): Add announce-gen.
2230 * README: Say GNU Bison instead of just Bison. Suggested by Karl
2233 2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
2235 Small but important bugfixes for the Java skeleton.
2236 * data/lalr1.java (yyerror): Change Location to b4_location_type.
2237 (yy_symbol_print): Call toString on yyvaluep.
2239 2008-08-29 Akim Demaille <demaille@gostai.com>
2241 Clarify UPDATED use.
2242 * doc/bison.texinfo: It refers to the last edition of this file,
2243 not to the release date of Bison.
2244 Reported by Joel E. Denny.
2246 2008-08-29 Akim Demaille <demaille@gostai.com>
2248 * README: Update FAQ pointer.
2249 Reported by Joel E. Denny.
2251 2008-08-27 Eric Blake <ebb9@byu.net>
2253 Resync m4sugar from autoconf.
2254 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
2255 (m4_init): Adjust to latest m4.git changes.
2256 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
2258 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
2259 (_m4_list_cmp): Reduce side effects.
2261 2008-08-27 Akim Demaille <demaille@gostai.com>
2263 Check yyerrok in calc.at.
2264 * tests/calc.at (calc.y): Use yyerrok on "( error )".
2265 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
2268 2008-08-27 Akim Demaille <demaille@gostai.com>
2270 Support yyerrok in lalr1.cc.
2271 YYBACKUP is still to import back into lalr1.cc.
2272 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
2274 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2276 For maintainer-check*, don't recompile for a $(VERSION) update.
2278 (_is-dist-target): Override the one in GNUmakefile.
2279 * Makefile.am (EXTRA_DIST): Add cfg.mk.
2281 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2283 Update for recent change to gnulib.
2284 * src/parse-gram.y: Don't include strverscmp.h. It comes from
2287 2008-08-15 Eric Blake <ebb9@byu.net>
2289 Remaining m4sugar merge from autoconf.
2290 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
2291 * data/m4sugar/foreach.m4: New file, copied from autoconf.
2292 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
2293 * src/output.c (output_skeleton): Tell m4 how to find it.
2295 Partial m4sugar merge from autoconf: m4_map.
2296 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
2297 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
2298 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
2299 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
2301 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
2303 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
2306 2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
2308 Keep .version and PACKAGE_VERSION in sync.
2309 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
2310 dependency, and add comments justifying this in more detail. Discussed
2312 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
2314 2008-08-06 Eric Blake <ebb9@byu.net>
2316 Partial m4sugar merge from autoconf: m4_shiftn.
2317 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
2318 (m4_shift2, m4_shift3): New macros.
2319 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
2320 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
2321 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
2322 * data/java.m4 (b4_remove_comma): Likewise.
2324 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
2325 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
2326 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
2327 (m4_init): Consolidate wrapped text into single m4_wrap.
2328 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
2331 2008-08-05 Eric Blake <ebb9@byu.net>
2333 Partial m4sugar merge from autoconf: builtins, version.m4.
2334 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
2335 (m4_prepend): Remove, as it is unused and inherently quadratic,
2336 whereas m4_append is linear in newer m4.
2337 (m4_mkstemp): New builtin.
2338 (m4_symbols): Make rename conditional.
2339 (m4_version_prereq): Ensure fatal error if used in bison, which
2340 intentionally lacks version.m4.
2342 Fix comments in m4sugar.
2343 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
2345 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
2347 Update for recent .gitignore fix in Gnulib.
2348 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
2349 anchored .gitignore entries.
2351 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
2353 Set gnu or gnits strictness.
2354 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
2355 development and gnits strictness for releases. Based on Eric Blake's
2357 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
2359 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
2361 * NEWS: Clarify documentation of %language.
2363 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
2365 Support usage of git-merge-changelog.
2366 * .gitattributes: New.
2367 * HACKING: Document usage of git-merge-changelog.
2368 * bootstrap: Install git-merge-changelog entries in .git/config
2371 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
2373 Remove remaining dependence on CVS Id keyword.
2374 * ChangeLog: For the sake of people still using CVS, don't use dollars
2376 * data/xslt/bison.xsl: Remove Id from header comments, where it was
2378 * data/xslt/xml2dot.xsl: Likewise.
2379 * data/xslt/xml2text.xsl: Likewise.
2380 * data/xslt/xml2xhtml.xsl: Likewise.
2381 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
2382 * doc/Makefile.am (neutralize): Remove, no longer needed.
2383 (.x.1): Don't use neutralize.
2384 (edit): Don't substitute for ID.
2385 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
2387 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
2389 Fix dependence on computed configure variables.
2390 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
2391 $(top_srcdir)/configure.ac so that changes to computed variables, such
2392 as PACKAGE_VERSION, are seen.
2393 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
2395 2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
2397 Update copyright dates for recent changes.
2398 * Makefile.am: Here.
2399 * src/Makefile.am: Here.
2400 * src/reduce.c: Here.
2401 * tests/reduce.at: Here.
2403 2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
2405 Use git-version-gen for version names between releases.
2406 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
2407 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
2408 * .prev-version: New.
2409 * .version.in: Remove.
2410 * ChangeLog: Remove the Id previously used for capturing the CVS
2412 * GNUmakefile: Remove, now copied from Gnulib.
2413 * Makefile.am: Add code suggested by comments in
2414 build-aux/git-version-gen.
2415 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
2416 .prev-version, and .version.
2417 * NEWS (2.3b+): Rename to...
2418 (?.?): ... this because we're dropping the "+" version naming scheme,
2419 but, in general, we still can't be sure of our next release name.
2420 * bootstrap: Add a quick hack to remove from .gitignore the
2421 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
2422 entry. This should really be fixed in gnulib instead.
2423 * bootstrap.conf (gnulib_modules): Add gnumakefile.
2424 * configure.ac (AC_INIT): Set version name by invoking
2425 build-aux/git-version-gen.
2426 (AC_CONFIG_FILES): Remove .version, now generated by
2427 build-aux/git-version-gen.
2428 * maint.mk: New, copied from coreutils.
2429 * doc/.cvsignore (bison.1): Add.
2430 * doc/.gitignore (/bison.1): Add.
2431 * doc/bison.1: Remove, generated.
2432 * src/.cvsignore (revision.c): Remove.
2433 * src/.gitignore (/revision.c): Remove.
2434 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
2435 (BUILT_SOURCES): Remove revision.c.
2436 (revision.c): Remove.
2437 * src/getargs.c (version): Don't print revision after the VERSION.
2438 * src/revision.h: Remove.
2440 2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
2442 Fix untranslatable composition of sentences. Reported by Goran
2444 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
2445 * THANKS (Goran Uddeborg): Add.
2446 * src/reduce.c (reduce_print): Report the number of nonterminals and
2447 rules useless in the grammar in separate sentences.
2448 * tests/reduce.at (Useless Rules): Update output.
2449 (Reduced Automaton): Likewise.
2450 (Underivable Rules): Likewise.
2451 (Empty Language): Likewise.
2453 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
2455 Fix some .gitignore and .cvsignore problems.
2456 * bootstrap (insert_sorted_if_absent): Replace all uses with...
2457 (insert_vc_ignore): ... this new function, which prepends `/' to all
2458 .gitignore entries before passing them to insert_sorted_if_absent.
2459 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
2460 .cvsignore files are maintained even though Bison developers run
2461 bootstrap while using Git.
2462 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
2465 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
2466 unneeded. Reported by Eric Blake.
2467 * lib/.gitignore (/*~): Add.
2468 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
2469 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
2471 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
2473 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
2475 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
2476 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
2477 * bootstrap.conf (gnulib_modules): Add unsetenv.
2478 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
2479 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
2481 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
2482 the first argument because it may become position-dependent, and unset
2483 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
2484 Add comments explaining these issues in more detail.
2486 2008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
2488 Add .gitignore everywhere based on .cvsignore.
2490 * build-aux/.gitignore: New.
2491 * data/.gitignore: New.
2492 * doc/.gitignore: New.
2493 * etc/.gitignore: New.
2494 * examples/.gitignore: New.
2495 * examples/calc++/.gitignore: New.
2496 * lib/.gitignore: New.
2497 * m4/.gitignore: New.
2498 * po/.gitignore: New.
2499 * runtime-po/.gitignore: New.
2500 * src/.gitignore: New.
2501 * tests/.gitignore: New.
2503 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
2505 * NEWS (2.3b+): New section, empty for now.
2506 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
2508 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
2510 * NEWS (2.3b): Update release date since there has been a delay in
2511 getting the announcements and tarballs out.
2513 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2515 * NEWS: Version 2.3b.
2516 * configure.ac (AC_INIT): Likewise.
2517 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
2519 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2521 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
2522 been doing it for years.
2523 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
2524 (Release Procedure): Add FIXME about make alpha being unmaintained.
2526 2008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
2528 * data/yacc.c: Reformat m4 a little for readability.
2529 * src/lalr.c (build_relations): Correct comment.
2531 2008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2533 DJGPP specific issue.
2534 * djgpp/config.sed: Fixes required to run configure scripts generated
2537 2008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
2539 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
2540 coordinator@translationproject.org.
2542 2008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
2544 * THANKS: Add Eric Blake.
2546 2008-04-23 Eric Blake <ebb9@byu.net>
2548 Revert prior patch, by working around autoconf regression.
2549 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
2550 ("Output file name: ("): Uncomment test.
2551 ("Output file name: )"): Likewise.
2552 Based on an idea from Noah Misch.
2554 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2556 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
2557 2.61. Reported by Juan Manuel Guerrero at
2558 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
2559 * tests/output.at ("Output file name: ("): Comment out test case for
2561 ("Output file name: )"): Likewise.
2563 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2565 * GNUmakefile: Update git-version-gen invocation so make dist
2568 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2570 Update to the current gnulib CVS repository, and fix trigraph handling
2572 * bootstrap: Update gnulib CVS repository URL.
2573 (symlink_to_dir): Encapsulate the code that guarantees the destination
2574 directory exists into...
2575 (check_dst_dir): ... this new function, and...
2576 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
2577 fail when copying files into lib/uniwidth/.
2578 * src/output.c (prepare_symbols): When writing yytname muscles, where
2579 symbol names will be encoded in C-string literals, tell quotearg to
2580 escape trigraphs. This used to be the default in gnulib.
2581 * tests/regression.at (Token definitions): Because of the change in
2582 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
2583 escapes trigraphs in symbol names. Thus, yytname no longer has
2584 trigraphs unnecessarily doubly escaped. Update test case output.
2585 Extend test case to be sure Bison's own error messages will no longer
2586 have trigraphs in symbol names unnecessarily escaped once.
2588 2008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
2590 Fix make dist infinite loop reported by Juan Manuel Guerrero at
2591 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
2592 * .cvsignore: Add .version.
2594 * bootstrap.conf (gnulib_modules): Add git-version-gen.
2595 * configure.ac (AC_CONFIG_FILES): Add .version.
2596 * build-aux/.cvsignore: Add git-version-gen.
2598 2008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
2600 * NEWS (2.3a+): Mention that -g now takes an argument.
2601 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
2602 consistency. Update the -g and -x entries now that they take
2603 arguments. Use brackets to indicate optional arguments.
2604 * src/getargs.c (usage): Explain the relationship between arguments of
2605 long and short options more completely. Document --defines and -d
2606 separately since the former takes an argument but, for POSIX Yacc, the
2608 (short_options): Let -W take an optional argument like --warnings.
2609 (getargs): Sort cases.
2611 2008-02-28 Akim Demaille <demaille@gostai.com>
2613 * doc/bison.texinfo: Fix a few typos.
2615 2008-02-28 Akim Demaille <akim@epita.fr>
2617 * doc/bison.texinfo (Bison Options): Document -W.
2618 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
2620 2008-02-28 Akim Demaille <akim@epita.fr>
2622 * src/getargs.c (short_options): Split and sort for readability.
2623 -g and -x take optional arguments, just like their long options.
2624 * build-aux/cross-options.pl: Use /x to make the regexp easier to
2626 Fix the handling of $opt which resulted in all the argument to be
2627 considered as optional.
2629 2008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
2631 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
2632 say its interface is experimental.
2633 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
2635 (Bison Options): In the -L and --language entry, mention Java.
2636 (Java Bison Interface): Say the interface is experimental.
2637 * src/getargs.c (usage): Mention -L and --language.
2639 * NEWS (2.3a+): Say the push parsing interface is experimental.
2640 * doc/bison.texinfo (Push Decl): Likewise.
2641 (Decl Summary): Likewise in the "%define api.push_pull" entry.
2642 (Push Parser Function): Likewise.
2643 (Pull Parser Function): Likewise.
2644 (Parser Create Function): Likewise.
2645 (Parser Delete Function): Likewise.
2646 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
2647 yypull_parse, and yypush_parse entries.
2649 * NEWS (2.3a+): Mention XML support, and say the schema is
2651 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
2652 * src/getargs.c (usage): Say the XML schema is experimental.
2654 * NEWS (2.3a+): Say option instead of flag.
2656 2008-02-21 Wojciech Polak <polak@gnu.org>
2658 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
2661 2008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
2663 Fix impure push parser compile error reported by Bob Rossi at
2664 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
2665 * data/yacc.c: Clean up whitespace in the output a little.
2666 (yypstate_allocated): Define for impure push parsers regardless of
2667 whether the pull interface is also requested.
2668 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
2669 check impure push parsers without the pull interface.
2671 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
2672 yyerror takes arguments specified by %parse-param while yypstate_new
2674 * doc/bison.texinfo (Parser Create Function): Document that
2675 yypstate_new returns 0 for multiple impure parser instances.
2676 * tests/push.at (Push Parsing: Multiple impure instances): Update
2677 expected stderr output.
2679 2008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
2681 * runtime-po/POTFILES.in (push.c): Remove.
2683 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2685 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
2686 * data/push.c: Rename to...
2687 * data/yacc.c: ... this, overwriting it.
2688 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
2689 `%push-pull-parser' -> `%define api.push_pull "both"'.
2690 Remove old yacc.c tests, and update push.c tests to yacc.c.
2692 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2694 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
2695 `"%code top" blocks' instead of `%code "top" blocks'.
2696 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
2697 Clean up whitespace in the output a little.
2699 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2701 Fix documentation problems reported by Tim Josling at
2702 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
2703 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
2704 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
2705 integers. Explain the effect of literal string aliases on error
2706 messages. Copy token 0 documentation from the C++ skeleton
2709 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2711 Accept a token number in a %left, %right, or %nonassoc for POSIX
2712 conformance. Reported by Tim Josling at
2713 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
2714 * NEWS (2.3a+): Mention.
2715 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
2716 and code numbers are treated by precedence declarations.
2717 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
2719 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
2721 (symbol.prec): New, just like symbol but allows INT.
2722 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
2724 * tests/regression.at (Token number in precedence declaration): New
2727 2008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2729 DJGPP specific issues.
2730 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
2731 be changed. Copyright timestamp adjusted.
2732 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
2733 be changed. Copyright timestamp adjusted.
2734 * djgpp/config.site: Copyright timestamp adjusted.
2735 * djgpp/config_h.sed: Copyright timestamp adjusted.
2736 * djgpp/djunpack.bat: Copyright timestamp adjusted.
2737 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
2738 filename translation list.
2739 * djgpp/subpipe.c (init_subpipe): Check the environment variables
2740 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
2741 files shall be created. Before trying to use the temp dir where the
2742 environment variable points to check that the dir really exists. If
2743 not default to the cwd as temp dir. Copyright timestamp adjusted.
2744 * djgpp/subpipe.h: Copyright timestamp adjusted.
2745 * djgpp/testsuite.sed: Copyright timestamp adjusted.
2747 2008-01-30 Paul Eggert <eggert@cs.ucla.edu>
2749 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
2751 2008-01-09 Paul Eggert <eggert@cs.ucla.edu>
2753 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
2754 Problem reported by Claudio Saavedra in
2755 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
2757 2008-01-05 Wojciech Polak <polak@gnu.org>
2759 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
2760 document's title with the input grammar file name.
2762 2007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
2764 Automate regression testing of the XML/XSLT implementation. Discussed
2766 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
2767 * configure.ac (XSLTPROC): New substitution.
2768 * Makefile.am (maintainer-xml-check): New phony target invoking...
2769 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
2770 invoking make maintainer-check with BISON_TEST_XML=1.
2771 * tests/atlocal.in (XSLTPROC): New.
2772 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
2773 not to report reachable memory when Bison is expected to have a
2774 non-zero exit status and (2) to compare XML/XSLT output with --graph
2775 and --report=all output for every working grammar when
2777 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
2778 (AT_BISON_CHECK_XML): New.
2779 (AT_QUELL_VALGRIND): New.
2780 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
2781 (AT_CHECK): ... don't redefine this since this was the old way to
2783 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
2784 AT_BISON_CHECK invocations.
2785 * tests/c++.at: Likewise.
2786 * tests/calc.at: Likewise.
2787 * tests/conflicts.at: Likewise.
2788 * tests/cxx-type.at: Likewise.
2789 * tests/existing.at: Likewise.
2790 * tests/glr-regression.at: Likewise.
2791 * tests/headers.at: Likewise.
2792 * tests/input.at: Likewise.
2793 * tests/java.at: Likewise.
2794 * tests/output.at: Likewise.
2795 * tests/push.at: Likewise.
2796 * tests/reduce.at: Likewise.
2797 * tests/regression.at: Likewise.
2798 * tests/sets.at: Likewise.
2799 * tests/skeletons.at: Likewise.
2800 * tests/synclines.at: Likewise.
2801 * tests/torture.at: Likewise.
2802 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
2803 tends to hang xsltproc.
2804 (Big horizontal): Likewise.
2806 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2808 In XML output, remove redundant class attribute on symbol element.
2809 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
2810 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
2811 look up a symbol to determine whether it's a nonterminal or terminal.
2812 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
2813 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
2815 Add prec/assoc information to XML output.
2816 * src/gram.c (grammar_rules_print_xml): For each rule that has a
2817 %prec, add a percent_prec attribute.
2818 * src/print-xml.c (print_grammar): For each terminal that has a
2819 precedence or associativity, add a prec or assoc attribute.
2821 (xml_puts): Use xml_indent.
2822 (xml_printf): Use xml_indent.
2823 * src/print-xml.h (xml_indent): Prototype.
2825 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
2826 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
2828 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2830 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
2831 (bison:ruleByNumber): ... this for clarity.
2832 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
2833 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
2834 (xsl:template match="reduction"): Update.
2835 (xsl:template match="item"): Update.
2836 (xsl:template match="reduction"): Update.
2838 In the XML output, don't print the list of rules where symbols appear.
2839 Compute it in XSLT instead. Discussed at
2840 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
2841 * data/xslt/bison.xsl (bison:ruleByLhs): New.
2842 (bison:ruleByRhs): New.
2843 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
2845 (xsl:template match="terminal/rule"): Remove.
2846 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2848 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2850 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
2851 bison:ruleByRhs and mode="number-link" for rule template.
2852 (xsl:template match="terminal/rule"): Remove.
2853 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2854 bison:ruleByRhs and mode="number-link" for rule template.
2855 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2857 (xsl:template match="rule" mode="number-link"): ... this.
2858 * src/print-xml.c (print_grammar): Don't print the list of rules.
2860 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
2862 Don't let --report affect XML output; always print all information.
2864 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
2865 * src/conflicts.c (log_resolution): Implement.
2866 * src/print-xml.c (print_core): Implement.
2867 (print_state): Implement.
2868 (print_xml): Implement.
2870 * NEWS (2.3a+): Fix quotes.
2871 * src/parse-gram.y (prologue_declaration): For consistency with -v,
2872 don't let %verbose clear the list specified by --report.
2874 2007-11-26 Akim Demaille <akim@epita.fr>
2876 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
2878 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
2880 In the XML output, list useless and unused symbols and rules with the
2881 useful ones and add a "usefulness" attribute. Discussed starting at
2882 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
2883 * src/gram.c (grammar_rules_partial_print_xml): Remove.
2884 (grammar_rules_print_xml): Print all rules instead of just those
2885 useful in the grammar, and add a "usefulness" attribute.
2886 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
2887 * src/print-xml.c (print_rules_useless_in_parser): Remove.
2888 (print_grammar): Print all nonterminals instead of just useful ones,
2889 and add a "usefulness" attribute to nonterminals and terminals.
2890 (print_xml): Don't print a separate "reductions" or
2891 "rules-useless-in-parser" element.
2892 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
2893 (reduce_xml): Remove.
2894 (reduce_token_unused_in_grammar): New.
2895 (reduce_nonterminal_useless_in_grammar): New.
2896 * src/reduce.h (reduce_xml): Remove prototype.
2897 (reduce_token_unused_in_grammar): Add prototype.
2898 (reduce_nonterminal_useless_in_grammar): Add prototype.
2899 * data/xslt/xml2text.xsl: Update for XML changes.
2900 * data/xslt/xml2xhtml.xsl: Update for XML changes.
2901 * tests/reduce.at (Useless Terminals): Update output.
2902 (Useless Rules): Update output.
2903 (Reduced Automaton): Update output.
2905 Say "Terminals unused in grammar" instead of "Unused terminals".
2906 * NEWS (2.3a+): Update.
2907 * doc/bison.texinfo (Understanding): Update example output.
2908 * src/reduce.c (reduce_output): Implement.
2909 * data/xslt/xml2text.xsl: Implement.
2910 * data/xslt/xml2xhtml.xsl: Implement.
2912 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
2914 Accept --report-file=FILE to override the default `.output' filename.
2915 * NEWS (2.3a+): Mention.
2916 * doc/bison.texinfo (Bison Options): Add an entry.
2917 * src/files.c (compute_output_file_names): Don't override
2918 spec_verbose_file if already set.
2919 * src/getargs.c (usage): Document --report-file.
2920 (REPORT_FILE_OPTION): New anonymous enum member.
2921 (long_options): Add entry for it.
2922 (getargs): Add case for it setting spec_verbose_file.
2924 * build-aux/cross-options.pl: Don't record a short option just because
2926 * doc/.cvsignore: Add yacc.1.
2928 2007-11-14 Akim Demaille <akim@epita.fr>
2930 * doc/yacc.1.in: New.
2931 * configure.ac, doc/Makefile.am: Adjust.
2932 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
2934 Use AC_SUBST for assignments too.
2935 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
2937 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
2939 * src/gram.c: Remove comments that duplicate comments in gram.h.
2941 When reporting useless rules and nonterminals, say "useless in grammar"
2942 instead of "useless", and say "useless in parser" instead of "never
2943 reduced". Discussed starting at
2944 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
2945 * NEWS (2.3a+): Mention this change.
2946 * data/xslt/xml2text.xsl: Update output text and expected input XML
2947 element names to match changes below.
2948 * data/xslt/xml2xhtml.xsl: Likewise.
2949 (xsl:template match="bison-xml-report"): Add missing entry in Table of
2950 Contents: "Rules useless in parser due to conflicts".
2951 * doc/bison.texinfo (Decl Summary): Reword a little.
2952 (Understanding): Update example output for changes below.
2953 * src/gram.c: (rule_useful_p): Rename to...
2954 (rule_useful_in_grammar_p): ... this.
2955 (rule_useless_p): Rename to...
2956 (rule_useless_in_grammar_p): ... this.
2957 (rule_never_reduced_p): Rename to...
2958 (rule_useless_in_parser_p): ... this.
2959 (grammar_rules_print): Update for renames.
2960 (grammar_rules_print_xml): Update for renames.
2961 (grammar_rules_never_reduced_report): Rename to...
2962 (grammar_rules_useless_report): ... this since it is used for either
2963 kind of useless rule.
2964 * src/gram.h: Reword comments and update function names in prototypes.
2965 * src/main.c (main): Say "rule useless in parser due to conflicts".
2966 * src/print-xml.c (print_rules_never_reduced): Rename to...
2967 (print_rules_useless_in_parser): ... this, and rename output XML
2968 element "rules-never-reduced" to "rules-useless-in-parser".
2969 (print_xml): Update for rename.
2970 * src/print.c (print_results): Say "Rules useless in parser due to
2972 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
2973 (nonterminals_reduce): Say "nonterminal useless in grammar".
2974 (reduce_output): Say "Nonterminals useless in grammar".
2975 Say "Rules useless in grammar".
2976 (reduce_xml): Rename output XML element "useless" to
2977 "useless-in-grammar".
2978 (reduce_print): Don't report the count of grammatically useless rules
2979 as "rules never reduced" just because %yacc is specified.
2980 In the correct report of this count, say nonterminal(s) and rule(s)
2981 "useless in grammar".
2982 * tests/conflicts.at (S/R in initial): Update expected output.
2983 (Defaulted Conflicted Reduction): Likewise.
2984 (Unreachable States After Conflict Resolution): Likewise.
2985 * tests/existing.at (GNU pic Grammar): Likewise.
2986 * tests/reduce.at (Useless Nonterminals): Likewise.
2987 (Useless Rules): Likewise.
2988 (Reduced Automaton): Likewise.
2989 (Underivable Rules): Likewise.
2990 (Empty Language): Likewise.
2992 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
2994 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
2995 here document and before the EOF so that BSD's implementation of Bourne
2996 shell doesn't parse the delimiter as part of the here document.
2997 * doc/.cvsignore: Add cross-options.texi.
2998 * src/getargs.c (usage): Add a blank line after the warning categories.
3000 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
3002 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
3004 2007-11-05 Akim Demaille <akim@epita.fr>
3006 Remove Id: from bison.1.
3007 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
3008 (perl -0777 -pi -e 's/\.PP\nId): New.
3009 (.x.1): Use it to ignore the version control revision.
3011 2007-11-05 Akim Demaille <demaille@gostai.com>
3013 * build-aux/Makefile.am: Ship cross-options.pl.
3014 * doc/Makefile.am: Always refer to cross-options.texi with
3016 (MAINTAINERCLEANFILES): Add it.
3018 2007-11-04 Akim Demaille <demaille@gostai.com>
3020 Generate the long/short option cross-table.
3021 * build-aux/cross-options.pl: New.
3022 * doc/Makefile.am (cross-options.texi): New.
3023 * doc/bison.texinfo: Use it.
3025 2007-11-04 Akim Demaille <demaille@gostai.com>
3027 Generate bison.1 using help2man.
3028 * doc/common.x, doc/bison.x: New.
3029 * doc/Makefile.am (bison.1, .x.1): New.
3030 The code is taken from autoconf-2.61/man/Makefile.am.
3031 * configure.ac: Look for help2man.
3033 2007-11-04 Akim Demaille <demaille@gostai.com>
3036 * src/getargs.c (usage): Document -W, make it clear that -d,
3037 -g and -x have optional arguments.
3039 2007-11-04 Akim Demaille <demaille@gostai.com>
3041 Find sha1sum when named gsha1sum.
3042 * bootstrap (find_tool): New.
3045 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3047 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
3049 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
3050 * NEWS (2.3a+): Mention.
3051 * data/bison.m4 (b4_pure_if): Don't define it here.
3052 * data/c.m4 (b4_identification): Depend on individual skeletons to
3053 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
3054 values of the %define variables api.pure or api.push_pull. Define
3055 YYPURE, YYPUSH, and YYPULL accordingly.
3056 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
3057 glr.cc has already defined b4_pure_flag.
3058 * data/push.c: Define b4_pure_if based on `%define api.pure'.
3059 Remove YYPUSH and YYPULL since they're back in b4_identification again.
3060 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
3061 * doc/bison.texinfo (Pure Decl): Update.
3062 (Push Decl): Update.
3063 (Decl Summary): Add api.pure to %define entry.
3064 In %pure-parser entry, say it's deprecated and reference %define.
3065 (Pure Calling): Update.
3066 (Error Reporting): Update.
3067 (C++ Scanner Interface): Update.
3068 (How Can I Reset the Parser): Update.
3069 (Table of Symbols): In %pure-parser entry, say it's deprecated and
3071 * src/getargs.c (pure_parser): Remove global variable.
3072 * src/getargs.h (pure_parser): Remove extern.
3073 * src/output.c (prepare): Don't define pure_flag muscle.
3074 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
3075 wrapper around `%define api.pure'.
3076 * tests/calc.at (Simple LALR Calculator): Update.
3077 (Simple GLR Calculator): Update.
3078 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
3080 (GLR: Resolve ambiguity, pure, locations): Update.
3081 (GLR: Merge conflicting parses, pure, no locations): Update.
3082 (GLR: Merge conflicting parses, pure, locations): Update.
3083 * tests/glr-regression.at (Uninitialized location when reporting
3085 * tests/input.at (Unused %define api.pure): New test case.
3086 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
3087 AT_PURE_IF and AT_PURE_AND_LOC_IF.
3088 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
3090 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3092 %define push_pull -> %define api.push_pull. Discussed starting at
3093 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
3094 * data/push.c: Expect the new name.
3095 * data/yacc.c: Likewise.
3096 * doc/bison.texinfo (Push Decl): Update.
3097 (Decl Summary): Update %define entry.
3098 (Push Parser Function): Update.
3099 (Pull Parser Function): Update.
3100 (Parser Create Function): Update.
3101 (Parser Delete Function): Update.
3102 * tests/calc.at (Simple LALR Calculator): Update.
3103 * tests/input.at (%define enum variables): Update.
3104 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
3105 (Push Parsing: Multiple impure instances): Update.
3106 (Push Parsing: Unsupported Skeletons): Update.
3107 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
3108 (Exploding the Stack Size with Malloc): Update.
3110 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
3113 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
3115 For the XML output's terminal element, rename @number to @token-number,
3116 and add @symbol-number. In the nonterminal element, rename @number to
3117 @symbol-number. Discussed starting at
3118 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
3119 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
3121 (xsl:template match="nonterminal"): Likewise.
3122 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
3123 (xsl:template match="nonterminal"): Likewise.
3124 * src/print-xml.c (print_grammar): Implement.
3126 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
3128 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
3129 2007-10-11 change, the child elements here are items not rules.
3130 (xsl:template match="item"): New.
3131 (xsl:template match="rule"): Update for new reduced itemset.
3132 (xsl:template match="point"): Remove.
3133 (xsl:template match="empty"): For consistency with --graph, don't
3134 output "/* empty */".
3135 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
3136 line-wrap, don't pass a negative value as first-line-length since this
3137 won't work with the following changes.
3138 (xsl:template name="line-wrap"): Simplify slightly.
3139 (xsl:template name="ws-search"): Eliminate recursion.
3140 * src/print_graph.c (print_core): Don't print a reduction's lookahead
3141 set next to an item whose dot is not at the end of the RHS even if it
3142 happens to be associated with the same rule.
3144 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
3146 Add %define lr.keep_unreachable_states.
3147 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
3148 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
3149 * src/main.c (main): Implement it.
3150 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3151 Extend to test it, and fix a typo.
3153 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
3155 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
3156 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
3157 the example .output text.
3158 * tests/regression.at (Extra lookahead sets in report): Improve wording
3161 2007-10-17 Wojciech Polak <polak@gnu.org>
3163 * src/print-xml.c (print_grammar): Renamed
3164 <terminal> and <nonterminal> attributes:
3165 "type" to "number" and "symbol" to "name".
3166 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
3167 Use new attribute names.
3168 (xsl:template match="nonterminal"): Likewise.
3169 * data/xslt/xml2xhtml.xsl: Likewise.
3171 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
3173 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
3174 (Option Cross Key): Likewise.
3176 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
3177 next to an item whose dot is not at the end of the RHS even if it
3178 happens to be associated with the same rule.
3179 * src/print.c (print_core): Likewise.
3180 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
3181 (Resolved SR Conflicts): Update output.
3182 * tests/regression.at (Extra lookahead sets in report): New test case.
3184 2007-10-11 Wojciech Polak <polak@gnu.org>
3186 * src/print-xml.c (print_core): Remove item set
3188 * data/xslt/bison.xsl (bison:ruleNumber): New key.
3189 Improve processing time. Suggested by Joel E. Denny.
3190 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
3191 Write xsl:param "required" attribute as comment.
3192 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
3193 (xsl:template match="rule"): Support new reduced itemset.
3194 (xsl:template match="point"): Remove.
3195 * data/xslt/xml2xhtml.xsl: Likewise.
3197 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3199 * src/getargs.c (version): Update copyright year.
3201 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3203 Make xml2dot.xsl and --graph produce the same output.
3204 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a ` '
3205 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
3207 (xsl:template name="output-node"): Use the new escape template instead
3208 of the string-replace template directly.
3209 (xsl:template name="output-edge"): Likewise.
3210 (xsl:template name="escape"): New, escapes backslashes and newlines in
3211 addition to quotation marks.
3212 * src/graphviz.c (start_graph, output_node, output_edge): Add
3213 whitespace to output for legibility.
3215 Make xml2text.xsl and --report produce the same output, and remove the
3216 XML "conflicts" element since a conflict summary is easily extracted
3218 * data/xslt/bison.xsl: New.
3219 (xsl:template match="state" mode="bison:count-conflicts): New.
3220 * data/xslt/xml2text.xsl: Import bison.xsl.
3221 (xsl:template match="bison-xml-report"): Instead of styling the
3222 "conflicts" element, style the "automaton" element with mode
3223 "conflicts". Unlike the former, the latter lists S/R and R/R
3224 conflicts for a state on the same line.
3225 (xsl:template match="conflicts"): Remove.
3226 (xsl:template match="conflict"): Remove.
3227 (xsl:template match="terminal"): Line-wrap the list of rules in which
3228 the terminal is used.
3229 (xsl:template match="nonterminal"): Likewise for nonterminals.
3230 (xsl:template match="automaton" mode="conflicts"): New.
3231 (xsl:template match="state" mode="conflicts"): New.
3232 (xsl:template name="line-wrap"): New.
3233 (xsl:template name="ws-search"): New.
3234 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
3235 (xsl:template match="bison-xml-report"): Instead of styling the
3236 "conflicts" element, style the "automaton" element with mode
3238 (xsl:template match="conflicts"): Remove.
3239 (xsl:template match="conflict"): Remove.
3240 (xsl:template match="automaton" mode="conflicts"): New.
3241 (xsl:template match="state" mode="conflicts): New.
3242 * src/conflicts.c (conflicts_output_xml): Remove.
3243 * src/conflicts.h (conflicts_output_xml): Remove prototype.
3244 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
3245 * src/print.c (print_grammar): Consistently wrap at the 66th column so
3246 the corresponding XSLT is easier. Also, never wrap between a word and
3247 the comma that follows it.
3249 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3251 Improve C++ namespace support. Discussed starting at
3252 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
3253 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
3254 b4_namespace_close): New macros that interpret the %define variable
3255 "namespace" so its value can contain "::" to indicate nested
3257 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
3259 * data/lalr1.cc (b4_namespace): Likewise.
3260 * data/location.cc (b4_namespace): Likewise.
3261 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
3262 inside a new table in the general %define entry. Document `%define
3263 namespace' there as well. Point the %name-prefix entry to it since it
3264 explains it more completely in the case of C++.
3265 (C++ Bison Interface): Mention `%define namespace' instead of
3267 (Table of Symbols): Remove the `%define push_pull' entry. The %define
3269 * tests/c++.at (Relative namespace references): New test case.
3270 (Absolute namespace references): New test case.
3271 (Syntactically invalid namespace references): New test case.
3272 * tests/input.at (C++ namespace reference errors): New test case.
3274 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3276 Add syncline support and location accessor to internal %define
3278 * data/bison.m4 (b4_percent_define_get_loc): New.
3279 (b4_percent_define_get_syncline): New.
3280 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
3281 (b4_percent_define_default): Record defining location as line 1 rather
3282 than 0 for the sake of synchronizing #line's, and define
3283 b4_percent_define_syncline(VARIABLE).
3284 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
3285 * src/muscle_tab.c (muscle_syncline_grow): New.
3286 (muscle_code_grow): Use muscle_syncline_grow.
3287 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
3288 define b4_percent_define_syncline(VARIABLE).
3289 (muscle_percent_define_get_loc): New.
3290 (muscle_percent_define_get_syncline): New.
3291 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
3292 remove some unused variables.
3293 (muscle_percent_define_default): Record defining location as line 1
3294 rather than 0 for the sake of synchronizing #line's, and define
3295 b4_percent_define_syncline(VARIABLE).
3296 (muscle_percent_define_check_values): Use
3297 muscle_percent_define_get_loc.
3298 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
3299 (muscle_percent_define_get_syncline): Prototype.
3300 * tests/skeletons.at (%define Boolean variables: invalid skeleton
3301 defaults): Update output for location change.
3302 (Complaining during macro argument expansion): Extend to test
3303 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
3305 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
3307 Fix some error-reporting macro bugs.
3308 * data/bison.m4 (b4_cat): New.
3309 (b4_error, b4_error_at): Use b4_cat to send error directives directly
3310 to stdout so they don't become arguments to other macros. Update
3311 comments and add examples.
3312 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
3314 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
3315 after printing the error directive so that M4 doesn't report subsequent
3316 problems that are induced by this problem.
3317 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
3318 instead of just in them. Recognize @\n in both places. Both expand to
3319 the empty string. Needed by b4_cat.
3320 * tests/skeletons.at (Complaining during macro argument expansion):
3322 (Fatal errors make M4 exit immediately): New test case.
3324 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
3326 Implement --print-datadir.
3327 * src/getargs.c (usage): Mention.
3328 (PRINT_DATADIR_OPTION): New anonymous enum member.
3329 (long_options): Add entry for it.
3330 (getargs): Add case for it calling compute_pkgdatadir.
3331 * src/output.c (output_skeleton): Encapsulate data directory
3332 computation from here...
3333 (prepare): ... and from here...
3334 (compute_pkgdatadir): ... into this new function.
3335 * src/output.h (compute_pkgdatadir): Prototype.
3337 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
3339 * src/print-xml.c (escape_bufs): New static global variable
3341 (xml_escape_n): ... the static local variable buf here.
3342 (print_xml): Free memory for escape_bufs.
3343 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
3345 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
3347 Replace `%push-parser' and `%push-pull-parser' with
3348 `%define push_pull "push"' and `%define push_pull "both"'.
3349 `%define push_pull "pull"' is the default.
3350 * doc/bison.texinfo (Push Decl, Push Parser Function,
3351 Pull Parser Function, Parser Create Function, Parser Delete Function):
3352 Update declarations.
3353 (Decl Summary, Table of Symbols): Replace %push-parser and
3354 %push-pull-parser entries with a %define push_pull entry.
3355 * data/bison.m4 (b4_percent_define_check_values): New macro.
3356 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
3358 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
3360 * data/push.c: ... to here and compute them from the value of the
3361 %define variable push_pull.
3362 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
3363 parsing requests here...
3364 * data/yacc.c: ... hack this to switch to push.c any time
3365 b4_use_push_pull_flag or the %define variable push_pull is set. This
3366 will go away when we mv push.c yacc.c.
3367 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
3368 push parsing is not supported since unused %define variables are
3370 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
3371 * src/muscle_tab.h (muscle_percent_define_check_values): Update
3372 comments for consistency with b4_percent_define_check_values.
3373 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
3375 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
3377 (prologue_declaration): Remove %push-parser and %push-pull-parser
3379 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
3380 * tests/calc.at: Update declarations.
3381 * tests/input.at (%define enum variables): New test case.
3382 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
3384 (Push Parsing: Multiple impure instances): Update declaration.
3385 (Push Parsing: Unsupported Skeletons): New test case.
3386 * tests/torture.at (Exploding the Stack Size with Alloca): Update
3388 (Exploding the Stack Size with Malloc): Update declaration.
3390 2007-09-24 Wojciech Polak <polak@gnu.org>
3392 Add XSLT transformations.
3394 * data/xslt/xml2dot.xsl: Transform XML into DOT.
3395 * data/xslt/xml2text.xsl: Transform XML into plain text.
3396 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
3397 * data/Makefile.am (xsltdir): New variable.
3398 (dist_xslt_DATA): Add xslt/*.xsl files.
3400 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
3402 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
3403 Problem reported by Wojciech Polak.
3404 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
3405 (xml_printf): Undo change I made on 21 September; that is,
3406 indent 2 spaces, not 1.
3408 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
3410 Pacify ./configure --enable-gcc-warnings.
3411 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
3412 `char const *' instead of `char *'.
3413 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
3414 local variable `sep'.
3416 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
3418 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
3420 * src/print-xml.c: Prefer "const" after types; that's more consistent.
3421 (xml_printf): Indent just 1 space for level.
3422 (e_char, xlate_char): Remove.
3423 (xml_escape_string): Rewrite to avoid undefined behavior (used
3424 storage that was freed from the stack).
3425 (xml_escape_n): Don't bother checking for subscript error.
3427 2007-09-21 Wojciech Polak <polak@gnu.org>
3429 Add Bison XML Automaton Report.
3431 Add support for an -x option to generate an XML report.
3432 It is not documented yet.
3433 * src/print-xml.c: New file.
3434 * src/print-xml.h: Likewise.
3435 * lib/timevar.def (TV_XML): New var.
3436 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
3437 * src/conflicts.c: Include print-xml.h.
3438 (solved_conflicts_xml_obstack): New var.
3439 (log_resolution, conflicts_solve, conflicts_free):
3440 Add support for XML report.
3441 (conflicts_output_val): New function.
3442 * src/conflicts.h (conflicts_output_val): New decl.
3443 * src/files.c (spec_xml_file): New var.
3444 (compute_output_file_names, output_file_names_free): Add XML support.
3445 * src/files.h (spec_xml_file): New decl.
3446 * src/getargs.c (xml_flag): New var.
3447 (usage, short_options, long_options, getargs): Add XML support.
3448 * src/getargs.h (xml_flag): New decl.
3449 * src/gram.c: Include print-xml.h.
3450 (rule_lhs_print_xml, rule_rhs_print_xml):
3451 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
3453 * src/gram.h: Declare external ones.
3454 * src/main.c: Include print-xml.h.
3455 (main): Add XML support.
3456 * src/reduce.c: Include print-xml.h.
3457 (reduce_xml): New function.
3458 * src/reduce.h: Declare it.
3459 * src/state.c: Include print-xml.h.
3460 (state_new): Add XML support.
3461 (state_rule_lookahead_tokens_print_xml): New function.
3462 * src/state.h: Declare it.
3463 (struct state): New member solved_conflicts_xml.
3464 * src/symtab.c (symbol_class_get_string): New function.
3465 * src/symtab.h: Declare it.
3467 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
3469 * GNUmakefile: Switch to coreutils's version.
3470 * bootstrap: Likewise.
3471 * Makefile.cfg: Adjust to new GNUmakefile.
3472 * README-hacking: Likewise.
3476 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
3477 Bruno Haible <bruno@clisp.org>
3479 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
3480 and is a script that invokes bison. Tighten the code. Add comments.
3482 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
3484 Spell "boolean" as "Boolean". Reported by Akim Demaille.
3485 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
3486 * doc/bison.texinfo (Decl Summary): Fix.
3487 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
3488 * tests/input.at (Boolean %define variables): Update output.
3489 * tests/skeletons.at (%define boolean variables: invalid skeleton
3490 defaults): Rename to...
3491 (%define Boolean variables: invalid skeleton defaults): ... this and
3494 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
3496 In impure push mode, don't allow more than one yypstate to be allocated
3497 since multiple impure parsers would corrupt yynerrs.
3498 * data/push.c (yypstate_allocated): New static global variable
3500 (yypull_parse): If yypstate_new returns 0, don't report it as memory
3501 exhaustion if yypstate_allocated is 1, but still return 2.
3502 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
3503 already 1. Otherwise, set it to 1.
3504 (yypstate_delete): Set it to 0.
3505 * tests/push.at (Push Parsing: Multiple impure instances): New test
3508 2007-08-17 Bob Rossi <bob@brasko.net>
3510 * doc/bison.texinfo (Push Decl): Document the push parser.
3511 (Table of Symbols): Ditto.
3513 (Decl Summary): Ditto.
3514 (Multiple Parsers, Push Parser Function, Pull Parser Function,
3515 Parser Create Function, Parser Delete Function):
3516 Add new push parser symbols.
3517 (Table of Symbols): Document push-parser, push-pull-parser,
3518 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
3520 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
3523 * doc/gpl-3.0.texi: New file.
3524 * doc/gpl.texi: Remove.
3525 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
3526 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
3527 * README-hacking, TODO, bootstrap, bootstrap.conf:
3528 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
3529 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
3530 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
3531 * data/lalr1.cc, data/lalr1.java, data/location.cc:
3532 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
3533 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
3534 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
3535 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
3536 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
3537 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
3538 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
3539 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
3540 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
3541 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
3542 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
3543 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
3544 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
3545 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
3546 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
3547 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
3548 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
3549 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
3550 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
3551 * src/complain.c, src/complain.h, src/conflicts.c:
3552 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
3553 * src/files.h, src/flex-scanner.h, src/getargs.c:
3554 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
3555 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
3556 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
3557 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
3558 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
3559 * src/print.c, src/print.h, src/print_graph.c:
3560 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
3561 * src/reduce.h, src/relation.c, src/relation.h:
3562 * src/revision.h, src/scan-code.h, src/scan-code.l:
3563 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
3564 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
3565 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
3566 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
3567 * tests/Makefile.am, tests/actions.at, tests/c++.at:
3568 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
3569 * tests/existing.at, tests/glr-regression.at:
3570 * tests/headers.at, tests/input.at, tests/java.at:
3571 * tests/local.at, tests/output.at, tests/push.at:
3572 * tests/reduce.at, tests/regression.at, tests/sets.at:
3573 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
3577 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3579 Get rid of broken %no-parser, -n, and --no-parser implementation and
3581 * TODO: Don't mention them.
3582 * doc/bison.1: Likewise.
3583 * doc/bison.texinfo (Decl Summary): Likewise.
3584 (Bison Options): Likewise.
3585 (Option Cross Key): Likewise.
3586 * src/getargs.c (no_parser_flag): Remove global variable.
3587 (usage): Don't print description of -n and --no-parser.
3588 (long_options): Remove --no-parser entry here.
3589 (getargs): Remove -n case in the switch here.
3590 * src/getargs.h (no_parser_flag): Remove extern.
3591 * tests/regression.at (Web2c Actions): Remove comment that mentions
3594 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3596 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
3597 name user variables starting with `yy'. Just pass NULL instead of a
3598 dummy local &yylval to yypush_parse.
3599 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
3602 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
3604 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
3605 true since it's then always used regardless of whether yyoverflow is
3606 defined. Reported by Christian Burger at
3607 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
3608 * THANKS: Add Christian Burger.
3610 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
3611 node names: say "Decl Summary" not "Bison Declaration Summary".
3613 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
3615 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
3616 determine whether this function has already complained about an invalid
3617 value for a %define boolean variable, don't check whether Bison has
3618 ever examined the value. As written, the check was a tautology.
3619 Instead, record and check for this complaint using a separate muscle.
3621 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3623 Fix push parsing memory leak reported by Brandon Lucia at
3624 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
3625 * THANKS: Add Brandon Lucia.
3626 * data/push.c (yypstate_delete): Free the stack if it was reallocated
3627 but the parse never completed and thus freed it.
3628 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
3629 * tests/testsuite.at: Include push.at.
3630 * test/push.at: New.
3631 (Push Parsing: Memory Leak for Early Deletion): New test case.
3633 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
3635 Improve handling of multiple S/R conflicts in the same state and of S/R
3636 conflicts involving multiple reductions.
3637 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
3638 set for a state here or Bison will abort if it is reassigned on a
3639 later conflicted reduction in the same state.
3640 Similarly, don't finalize and assign the solved conflicts report here
3641 or it will be lost if it is reassigned on a later conflicted reduction
3643 (set_conflicts): Instead, assign them both here after all S/R conflicts
3644 in the state have been fully examined.
3645 * src/print.c (shift_set): Rename to...
3646 (no_reduce_set): ... this.
3647 (print_reductions): Update for rename, and add %nonassoc error action
3648 tokens to no_reduce_set so that, when printing the first remaining
3649 reduction on an error action token, the reduction is enclosed in
3651 (print_results): Update for rename.
3652 * tests/conflicts.at (Solved conflicts report for multiple reductions
3653 in a state): New test case.
3654 (%nonassoc error actions for multiple reductions in a state): New test
3657 * src/main.c (main): Don't depend on C99 features.
3659 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
3661 * build-aux/.cvsignore: Add compile.
3662 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
3665 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
3667 * bootstrap (slurp): Create target directories that don't exist.
3668 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
3670 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
3672 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
3674 * closure.c (closure): Likewise.
3675 * state.h (reductions): Comment sorting of rules.
3676 (state): Comment sorting of items.
3678 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
3680 Fix C++ test cases after recent Gnulib changes. Discussed starting at
3681 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
3682 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
3683 definition in order to avoid Gnulib headers since we don't use config.h
3685 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
3686 rather than AT_DATA so that config.h is included.
3688 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
3690 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
3691 instead of fprintf. Guard these functions with #if YYDEBUG instead of
3692 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
3693 and so that YYFPRINTF is guaranteed to be defined here.
3695 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
3697 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
3699 (muscle_percent_define_check_values): ... this more helpful function.
3700 Again, it's not used yet, but it will be.
3701 * src/muscle_tab.h: Likewise.
3703 Improve some comments in parser table construction.
3704 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
3705 (generate_states): Don't mention ruleset, which is internal to closure.
3706 * src/closure.c (closure): Explain sorting of core and itemset, which
3707 is required for this function to behave correctly.
3708 * src/closure.h (closure): Mention sorting.
3710 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
3712 * src/lalr.c (state_lookahead_tokens_count): For code readability,
3713 move the check for disabled transitions to an aver since conflict
3714 resolution hasn't happened yet.
3716 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
3717 labels a state as inconsistent just because it has error transitions.
3718 The original form of this check appeared in revision 1.1 of lalr.c,
3719 which was committed on 1991-12-21. Now (at least), changing the
3720 consistency label on such a state appears to have no useful effect in
3721 any of the places it is examined, which I enumerate below. The key
3722 point to understanding each item in this enumeration is that a state
3723 with an error transition is labelled consistent in the first place only
3724 if it has no rules, so the check cannot matter for states that have
3725 rules. (1) Labelling a state as inconsistent will cause set_conflicts
3726 to try to identify its conflicts, and a state must have *rules* to have
3727 conflicts. (2) Labelling a state as inconsistent will affect how
3728 action_row sets the default *rule* for the state. (3) Labelling a
3729 state as inconsistent will cause build_relations to add lookback edges
3730 to *rules* in that state.
3731 * src/state.h (struct state): Word the comment for member consistent
3734 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
3736 Don't depend on C99 features.
3737 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
3738 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
3739 * src/reader.c (check_and_convert_grammar): Fix for-loop.
3740 * src/state.c (state_mark_reachable_states): Fix for-loop.
3741 (state_remove_unreachable_states): Fix for-loop.
3743 Don't widen struct state with member reachable just to temporarily
3744 record reachability. Instead, use a local bitset.
3745 * src/state.h (struct state): Remove member.
3746 * src/state.c (state_new): Don't initialize it.
3747 (state_mark_reachable_states): Rename to...
3748 (state_record_reachable_states): ... this, and use bitset.
3749 (state_remove_unreachable_states): Use bitset.
3751 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
3753 * src/Makefile.am (yacc): Quote target action commands properly so
3754 that the yacc script isn't corrupt. Reported by Hans Aberg at
3755 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
3757 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
3758 the case of pure parsers. Reported by Frans Englich at
3759 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
3760 * THANKS: Add Frans Englich.
3762 * NEWS (2.3a+): In the %code entry, reference section `Bison
3763 Declaration Summary' from the manual now since the %code summary has
3765 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
3766 in the rules section must be terminated by semicolons.
3768 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
3770 Extend the front-end API for %define variables to more completely
3771 mirror the back-end. This will be useful in the future.
3772 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
3773 Update comments to mention the new front-end counterparts of these
3775 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
3776 for muscle_string_decode and muscle_location_decode.
3777 (muscle_string_decode): New static function.
3778 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
3779 (muscle_percent_define_get, muscle_percent_define_ifdef): New
3781 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
3782 muscle_percent_define_get to mimic the b4_percent_define_flag_if
3783 implementation more closely.
3784 (muscle_percent_define_invalid_value): New function.
3785 * src/muscle_tab.h (muscle_percent_define_get,
3786 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
3789 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
3791 * NEWS (2.3a+): Mention yesterday's state-removal change.
3792 (2.3a): Remove the %language entry, which was added after 2.3a.
3793 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
3794 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
3795 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
3796 tests/existing.at: Update copyright date.
3798 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3800 If conflict resolution makes states unreachable, remove those states,
3801 report rules that are then unused, and don't report conflicts in those
3803 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
3804 New global function.
3805 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
3807 * src/main.c (main): After conflict resolution, remove the unreachable
3808 states and update all data structures that reference states by number.
3809 * src/state.c (state_new): Initialize each state's reachable member to
3811 (state_mark_reachable_states): New static function.
3812 (state_remove_unreachable_states): New global function.
3813 * src/state.h (struct state): Add member bool reachable.
3814 (state_remove_unreachable_states): Prototype.
3815 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3817 * tests/existing.at (GNU pic Grammar): Update test case output now that
3818 an unused rule is discovered.
3820 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3822 Minor code cleanup in parser table construction.
3823 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
3824 (new_itemsets, save_reductions): Update for rename to nitemset.
3825 * src/closure.c (nritemset): Rename to...
3826 (nitemset): ... this since the "r" appears to meaningless and isn't
3827 used in the comments.
3828 (closure): Update for rename.
3829 * src/closure.h (nritemset): Update extern to...
3830 (nitemset): ... this.
3831 * src/lalr.c (LA): Fix a typo in comments.
3832 * src/print.c (print_core): Update for rename to nitemset.
3833 * src/print_graph.c (print_graph): Likewise.
3834 * src/state.h: Fix some typos in header comments.
3836 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
3838 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
3839 still sticks to ASCII. Sorry!
3841 * README-hacking: New file, taken mostly from coreutils, with changes
3842 for Bison. Contains much of the contents of:
3843 * README-cvs: Remove.
3844 * bootstrap: Sync from gnulib.
3845 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
3846 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
3848 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
3850 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
3852 (Java Differences): Fix some typos.
3853 * THANKS: Add Sebastian Setzer.
3855 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
3857 * data/java.m4 (b4_single_class_if): Remove.
3858 (b4_abstract_if): Look at "%define abstract".
3860 (b4_union_name): Rename...
3861 (b4_yystype): ... to this. Map to "%define stype".
3862 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
3863 b4_maybe_throws): Fix quoting.
3864 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
3865 * data/lalr1.java (Lexer interface): Always define.
3866 (Lexer interface within parser class): Remove.
3867 (YYLexer class): New, used when "%code lexer" is present.
3868 (constructor): When "%code lexer" is used, pass %lex-param
3869 to the lexer constructor.
3870 (yylex, yyparse): Remove %lex-param from method invocations
3871 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
3873 * doc/bison.texinfo (Java Bison Interface): Mention "%define
3874 abstract". Rename "%define union_name" to "%define stype".
3875 Rename method names according to previous patch.
3876 (Java Scanner Interface): Describe "%code lexer" instead of
3877 "%pure-parser" and "%define single_class".
3878 (Java Differences): Mention "%code lexer".
3880 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
3881 Include scanner here, using macros from tests/local.at.
3882 (AT_DATA_CALC_Y): Remove final argument.
3883 (_AT_CHECK_JAVA_CALC): Likewise.
3884 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
3885 of %locations and %error-verbose.
3886 (main): Test with and without %lex-param.
3887 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
3888 (AT_BISON_OPTION_POPDEFS): Pop it.
3890 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3892 DJGPP spefic issue. Inhibit the use of disallowed characters for
3893 file name genertion on Win98, WinXP, etc. These are |<>":?*\
3894 and concern testsuite case 46.
3895 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
3896 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
3897 * djgpp/config.bat: Inhibit the use of disallowed characters.
3899 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
3901 Miscellaneous %define and %code cleanup.
3902 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
3903 values are interpreted.
3904 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
3905 documentation a little more.
3906 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
3907 muscle_percent_define_insert, muscle_percent_code_grow): New
3909 * src/muscle_tab.h (muscle_percent_define_insert,
3910 muscle_percent_code_grow): Prototype.
3911 * src/parse-gram.y (prologue_declaration): Use
3912 muscle_percent_define_insert and muscle_percent_code_grow when parsing
3913 %define and %code directives.
3915 Make it easy to share %define boolean variables between the front-end
3916 and back-end. Though not used yet, this will be useful in the future.
3917 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
3918 Bison uses of names rather than just skeleton uses of names.
3919 (b4_percent_define_get, b4_percent_define_ifdef): Rename
3920 b4_percent_define_skeleton_variables(VARIABLE) to
3921 b4_percent_define_bison_variables(VARIABLE).
3922 (b4_percent_code_get, b4_percent_code_ifdef): Rename
3923 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
3924 b4_percent_code_bison_qualifiers(QUALIFIER).
3925 (b4_check_user_names_wrap): Update for renames.
3926 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
3927 muscle_percent_define_default): New functions mimicking
3928 b4_percent_define_flag_if and b4_percent_define_default.
3930 For %define variables, report locations for invalid values and
3932 * data/bison.m4 (b4_percent_define_flag_if): Read
3933 b4_percent_define_loc(VARIABLE) to report the location of an invalid
3935 (b4_percent_define_default): Save a special location in
3936 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
3937 must later be reported as invalid.
3938 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
3940 (muscle_percent_define_insert): Record the location of VARIABLE in
3941 muscle percent_define_loc(VARIABLE), and use it to report the previous
3942 location for a redefinition.
3943 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
3944 (muscle_percent_define_default): Update like b4_percent_define_default.
3945 (muscle_grow_user_name_list): Rename to...
3946 (muscle_user_name_list_grow): ... this for consistency and use
3947 muscle_location_grow.
3948 * src/muscle_tab.h (muscle_location_grow): Prototype.
3949 * tests/input.at (%define errors): Update expected output.
3950 * tests/skeletons.at (%define boolean variables: invalid skeleton
3951 defaults): New test case.
3953 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
3955 * src/print.c (lookahead_set, state_default_rule): Remove.
3956 (print_reductions): Replace state_default_rule invocation with
3957 equivalent use of yydefact, which was computed in token_actions in
3959 (print_results): Don't allocate lookahead_set.
3961 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
3963 * data/lalr1.java: Prefix all private members with yy.
3965 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
3967 Use YYFPRINTF instead of fprintf where appropriate. Reported by
3968 Sebastien Fricker at
3969 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
3970 * THANKS: Add Sebastien Fricker.
3971 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
3972 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
3973 accept a variable number of arguments.
3975 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
3977 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
3979 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3981 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
3982 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
3983 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
3985 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
3987 Undo my 2007-02-07 change, switching back to the c-strcase module
3988 introduced in the 2007-02-03 change. Bruno Haible reported that
3989 the 2007-02-07 change would be dangerous in Turkish if we add a
3990 language whose name contains "i", since "i" is not lowercase "I"
3992 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
3993 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
3994 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
3995 * m4/.cvsignore: Remove strcase.m4.
3996 * src/getargs.c: Revert 2007-02-07 change, as follows.
3997 Include c-strcase.h.
3998 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
4000 2007-02-11 Bruno Haible <bruno@clisp.org>
4002 Enable the Java related testsuite tests when the only Java compiler
4003 found is a gcj < 4.3. Discussed at
4004 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
4005 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
4007 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
4009 * data/Makefile.am: Update copyright date.
4010 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
4011 yypstate_new returns NULL.
4012 (yypstate_new): Return NULL if malloc does.
4013 * src/reader.c (packgram): Move translation of rule actions from the
4014 beginning of packgram to...
4015 (check_and_convert_grammar): ... here right before packgram is invoked
4016 so it's easier to write more complete comments, and remove redundant
4019 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
4021 As in semantic actions, make @$ in %initial-action, %destructor, and
4022 %printer imply %locations.
4023 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
4025 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
4026 (@$ in %initial-action implies %locations,
4027 @$ in %destructor implies %locations,
4028 @$ in %printer implies %locations): ... these new test cases.
4030 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
4032 Undo most of the 2007-02-03 change, switching to the strcase module
4033 now that gnulib strcase has been fixed.
4034 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
4035 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
4036 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
4037 * m4/.cvsignore: Add strcase.m4.
4038 * src/getargs.c: Revert 2007-02-03 change, as follows.
4039 Don't include c-strcase.h.
4040 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
4041 strcasecmp has "unspecified behavior" outside the POSIX locale,
4042 but it works fine in practice if at least one argument is ASCII,
4043 as is the case in Bison.
4045 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
4047 * tests/java.at: Skip tests if only one of javac/java is present.
4048 Reported by Joel E. Denny.
4049 * tests/atlocal.in: Adjust copyright years.
4051 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
4053 * data/lalr1.java (Stack): Work around old verifiers that disallow
4054 access to the private fields of an inner class, from the outer class.
4055 We can make Stack's fields public because user code doesn't have access
4056 to the instance of Stack used by parse(). Reported by Paul Eggert.
4058 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
4060 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
4061 the right spot for these files?
4062 * bootstrap.conf (gnulib_modules): Add c-strcase.
4063 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
4065 * src/getargs.c: Include c-strcase.h.
4066 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
4067 to avoid unspecified behavior.
4069 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
4071 * doc/bison.texinfo (Decl Summary): Correct typo.
4073 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
4075 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
4076 Complain if the value does not match empty, "true" or "false".
4077 * data/c++.m4: Adjust default definitions of %define variables.
4078 * data/java.m4: Adjust default definitions of %define variables.
4079 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
4081 * tests/input.at (Boolean %define variables): Test new behavior.
4083 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
4085 * NEWS: Mention java.
4086 * TODO: Remove things that are done.
4087 * bootstrap.conf: Add javacomp-script and javaexec-script.
4088 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
4090 * data/Makefile.am: Add new files.
4091 * data/java-skel.m4: New.
4092 * data/java.m4: New.
4093 * data/lalr1.java: New.
4095 * doc/bison.texinfo: Put "A Complete C++ Example" under
4096 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
4097 under Other Languages.
4099 * src/getargs.c (valid_languages): Add Java.
4100 * src/getargs.h (struct bison_language): Update size of string fields.
4102 * tests/Makefile.am: Add java.at.
4103 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
4104 * tests/java.at: New.
4105 * tests/testsuite.at: Include it.
4107 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
4110 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
4111 at_directive_argv arguments so these no longer have to be global
4112 variables. Also, update the implementation for the following changes.
4113 (fail_for_at_directive_too_many_args,
4114 fail_for_at_directive_too_few_args): Add at_directive_name argument.
4115 (at_directive_name): Remove as at_directive_argv[0] will be used for
4117 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
4118 for the directive name.
4119 (at_directive_argc, at_directive_argv): Make these local within
4120 skel_lex instead of global.
4121 (INITIAL): Update directive start action for above changes.
4122 (SC_AT_DIRECTIVE_ARG): Rename to...
4123 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
4124 (SC_AT_DIRECTIVE_SKIP_WS): Update.
4125 (scan_skel): Move yylex_destroy to...
4126 (skel_scanner_free): ... here.
4127 * tests/skeletons.at (installed skeleton file name): Rename to...
4128 (installed skeleton file names): ... this.
4130 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
4132 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
4133 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
4134 Summary" not "Directives".
4135 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
4136 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
4137 since the former is now the more complete one.
4138 (Prologue Alternatives): Likewise and do the same for %defines.
4139 (Table of Symbols): Add summary of %code, add summary of %define, and
4140 move full %code documentation to...
4141 (Decl Summary): ... here for consistency with other entries in these
4143 Move %define entry in order to keep this list alphabetized.
4144 Reword %define entry a little to put less emphasis on the skeleton
4145 concept, which most users shouldn't have to think about.
4147 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
4149 Adjust to recent gnulib changes.
4150 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
4151 Add string.h, string_.h, unistd_.h, wchar_.h.
4152 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
4153 * src/system.h: Don't include <stpcpy.h>; this is now done by
4156 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
4158 Simplify implementation of unqualified %code, implement macros for
4159 uniform treatment of boolean %define flags. Document %define.
4160 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
4161 b4_percent_code_ifdef): New.
4162 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
4163 * data/c++.m4: Define default value for global_tokens_and_yystype.
4164 * data/glr.cc: Likewise.
4165 * data/location.cc: Use b4_percent_define_flag_if.
4167 * doc/bison.texinfo (Decl Summary): Document %define.
4169 * src/parse-gram.y (Unqualified %code): Change muscle name to
4171 (content.opt): Default to empty.
4173 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4175 Implement support for relative and absolute skeleton file names.
4176 Discussed starting at
4177 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
4178 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
4179 (Bison Options): Document in --skeleton entry.
4180 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
4181 full_skeleton can't necessarily hold all of pkgdatadir.
4182 If the specified skeleton file name contains a `/', don't prepend
4184 * src/parse-gram.y (prologue_declaration): If the specified skeleton
4185 file name contains a `/', prepend the grammar file directory.
4186 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
4187 * skeletons.at: New file.
4188 (relative skeleton file names): New test case.
4189 (installed skeleton file names): New test case.
4190 * tests/testsuite.at: Include skeletons.at.
4192 * bootstrap: Update copyright to 2007.
4194 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
4196 * bootstrap: Remove occurrences of .#bootmp from the files.
4198 2007-01-17 Akim Demaille <akim@epita.fr>
4200 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
4202 Use per-type %printer.
4204 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4206 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
4207 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4208 djgpp/config.site, src/files.c, src/files.h, src/main.c,
4209 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
4210 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
4211 tests/glr-regression.at, tests/input.at, tests/local.at,
4212 tests/output.at, tests/torture.at: Update copyright to 2007.
4214 2007-01-16 Akim Demaille <akim@epita.fr>
4216 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
4218 (Calc++ Scanner): Exit with failure if we can't open the input
4220 Accept "-" standing for stdin.
4221 (Calc++ Top Level): Print the result only if the parsing was
4224 2007-01-16 Akim Demaille <akim@epita.fr>
4226 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
4228 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
4229 and Joel E. Denny <jdenny@ces.clemson.edu>
4231 Clean up %define and %code implementation in M4 some. Most
4232 importantly, rename all related macros to be in the b4_percent_define
4233 and b4_percent_code namespaces. Also, complete support for `.' in
4234 %define variable names and %code qualifiers.
4235 * data/bison.m4 (b4_check_user_names): Check for special
4236 "SKELETON-NAMESPACE(name)" macros instead of using two nested
4238 (b4_get_percent_define, b4_get_percent_code): Rename to...
4239 (b4_percent_define_get, b4_percent_code_get): ... these.
4240 Extend documentation with examples.
4241 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
4242 b4_percent_define_skeleton_variables and
4243 b4_percent_code_skeleton_qualifiers.
4244 Expect any value for the %define variable `foo' to be stored in the
4245 macro named `b4_percent_define(foo)'; expect any %code blocks for the
4246 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
4247 expect any unqualified %code blocks to be stored in a macro named
4248 `b4_percent_code_unqualified'.
4249 Use m4_indir so that %define variable names and %code qualifiers can
4250 contain `.', which is allowed by the grammar parser.
4251 (b4_percent_define_default): New macro to set a default value for a
4253 (m4_wrap): Update wrapped code, and fix some underquoting.
4254 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
4255 Expect grammar uses of %define variables and %code qualifiers to be
4256 defined in b4_percent_define_user_variables and
4257 b4_percent_code_user_qualifiers.
4258 * data/c++.m4: Use b4_percent_define_default rather than
4259 m4_define_default. Fix some underquoting. Skeleton usage of %define
4260 variable define_location_comparison now implies skeleton usage of
4261 %define variable filename_type.
4262 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4263 data/push.c, data/yacc.c: Update macro names.
4264 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
4267 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4269 DJGPP specific issues.
4271 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
4272 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
4274 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4276 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
4277 run parsers in all tests so that Valgrind is invoked during
4278 maintainer-check-valgrind.
4279 (Duplicate representation of merged trees): Free all semantic values.
4280 (Duplicated user destructor for lookahead): Likewise.
4282 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4284 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
4285 command-line prefix.
4286 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
4287 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
4288 miss Valgrind messages.
4289 (Exploding the Stack Size with Malloc): Likewise.
4291 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4293 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
4294 locals. Reported by Juan Manuel Guerrero at
4295 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
4296 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
4297 Fix some indentation also.
4298 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
4299 explaining this issue.
4301 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
4302 and Joel E. Denny <jdenny@ces.clemson.edu>
4304 Simplify union and prologue handling, and escape union and lex/parse
4305 params with digraphs.
4306 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
4307 values to the empty string since these are no longer guaranteed
4308 initialized by the front-end.
4309 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
4310 braces around b4_user_stype since this is no longer done by the
4312 * src/files.c, src/files.h (pre_prologue_obstack,
4313 post_prologue_obstack): Remove.
4314 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
4315 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
4316 with digraphs. This fixes lex params and parse params.
4317 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
4318 * src/output.c (prepare): Remove muscle insertion of the prologues.
4319 (output): Remove freeing of pre_prologue_obstack and
4320 post_prologue_obstack.
4321 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
4322 than prologue_augment for prologue parsing so you don't need prologue
4324 (grammar_declaration): For %union RHS, use `braceless' instead of
4325 "{...}" so that braces are already stripped and code is escaped with
4327 * src/reader.c (prologue_augment): Remove.
4328 (reader): Remove initialization of pre_prologue_obstack and
4329 post_prologue_obstack.
4330 * src/reader.h (prologue_augment): Remove.
4332 * data/c.m4: Remove stray parenthesis.
4334 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4336 Remove quotes from variables names in %define directives and from
4337 qualifiers in %code directives, and restrict the characters that are
4338 allowed in them to M4-friendly ones. For %define, continue to support
4339 the quoted form as a deprecated feature. Discussed starting at
4340 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
4341 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
4343 * doc/bison.texinfo (Prologue Alternatives): Update.
4344 (Decl Summary): In %defines entry, update mention of `%code requires'
4345 and `%code provides'.
4346 (C++ Location Values): Update %define uses.
4347 (Calc++ Parser Interface): Likewise.
4348 (Calc++ Parser): Likewise, and update `%code requires' uses.
4349 (Table of Symbols): Update %code documentation.
4350 * src/parse-gram.y (prologue_declaration): For %define variables, use
4351 `variable' instead of `STRING'.
4352 (grammar_declaration): For %code qualifiers, use `ID' instead of
4354 (variable): New nonterminal that takes an `ID' or a `STRING'.
4355 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
4357 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
4358 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
4359 (%define errors): Update %define uses.
4361 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4363 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
4364 instead of muscle_insert for %define values so that M4-special
4365 characters are replaced with digraphs.
4366 * tests/input.at (%define errors): Extend to check weird values.
4368 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4370 Instead of having skeletons declare all valid %define variables and
4371 %code qualifiers, provide macros that retrieve the associated values
4372 and build these lists automatically. Thus Bison will now warn when a
4373 variable or qualifier is not used by the skeleton in the current
4374 invocation regardless of whether it might sometimes be used by that
4375 skeleton in other invocations. Also, move all %define value macros to
4376 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
4377 form, which is replaced by %code.
4378 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
4379 (b4_check_user_names): ... this, and change the series of valid name
4380 arguments to a single list argument for names used in the skeleton
4381 similar to the existing list argument for names used in the grammar.
4382 Warn instead of complaining.
4383 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
4384 values and %code code, to format %code code properly, and to build
4385 lists of all %define variables and %code qualifiers used in the
4386 skeleton: b4_skeleton_percent_define_variables and
4387 b4_skeleton_percent_code_qualifiers.
4388 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
4390 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
4391 the skeleton names lists can finish building first. In place of
4392 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
4393 expect the lists b4_user_percent_define_variables and
4394 b4_user_percent_code_qualifiers.
4395 * data/c++.m4: Where setting default values for b4_parser_class_name,
4396 b4_location_type, b4_filename_type, b4_namespace, and
4397 b4_define_location_comparison, update their names to the
4398 b4_percent_define_ namespace.
4399 * data/glr.c: Don't use b4_check_percent_define_variables and
4400 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
4401 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
4402 (b4_parser_class_name, b4_namespace): Define these using
4403 b4_get_percent_define for parser_class_name and namespace.
4404 * data/location.cc: Use b4_get_percent_define.
4405 * data/push.c: Don't use b4_check_percent_define_variables and
4406 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
4407 * data/yacc.c: Likewise, and don't call m4_exit in
4408 b4_use_push_for_pull_if or m4_wrap code will never execute.
4409 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
4411 (muscle_grow_user_name_list): ... this for consistency with the
4412 terminology used in bison.m4.
4413 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
4414 %define variable names, and rename muscle used_percent_define_variables
4415 to user_percent_define_variables.
4416 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
4417 user_percent_code_qualifiers.
4419 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
4420 {CODE} form is no longer accepted.
4421 * tests/input.at (Reject bad %code qualifiers): Rename to...
4422 (Reject unused %code qualifiers): ... this, and update test output.
4423 (%define error): Update test output.
4425 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
4427 Check for unrecognized %define variables similar to checking for
4428 unrecognized %code qualifiers. Check for redefined %define variables.
4429 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
4431 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
4432 (b4_check_percent_define_variables): New, also wraps it.
4433 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
4434 variables using b4_check_percent_define_variables.
4435 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
4436 all those exercised in the test suite and all those listed in the
4437 `Default values' section of c++.m4. Are there others?
4438 * data/push.c, data/yacc.c: Declare no valid %define variables.
4439 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
4440 similar to muscle_find, but it works even when the muscle stores a
4442 (muscle_grow_used_name_list): New function for constructing the used
4443 name list muscles that b4_check_for_unrecognized_names requires.
4444 * src/parse-gram.y (prologue_declaration): Warn if a variable is
4445 %define'd more than once. Define the b4_used_percent_define_variables
4446 muscle with muscle_grow_used_name_list.
4447 (grammar_declaration): Abbreviate %code code with
4448 muscle_grow_used_name_list.
4449 * tests/input.at (%define errors): New.
4451 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4453 Provide warn_at, complain_at, and fatal_at function callbacks to the
4454 skeletons, and use this for %code qualifier complaints.
4455 * data/bison.m4 (b4_error_at): New, invoked by...
4456 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
4457 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
4458 @fatal_at(...@) directives.
4459 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
4460 qualifiers in b4_used_percent_code_qualifiers and to use
4462 * src/location.c, src/location.h (boundary_set_from_string): New global
4464 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
4466 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
4467 to b4_used_percent_code_qualifiers.
4468 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
4470 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
4471 (lineno): Rename to...
4472 (out_lineno): ... this so I don't misunderstand it again.
4473 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
4474 here; these newlines are in the input but not the output file.
4475 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
4476 (at_directive_perform): ... this new static function, and add handling
4477 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
4479 * tests/input.at (Reject bad %code qualifiers): Update test output with
4480 locations and extend.
4482 * tests/output.at (Output file name: [, Output file name: ]): Remove
4483 bogus comment about these tests failing.
4485 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4487 Clean up b4_check_percent_code_qualifiers a little.
4488 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
4489 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
4490 documentation and add examples.
4491 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
4494 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
4496 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
4497 unreliable -- especially when they're hidden inside another macro.
4498 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
4499 data/c.m4: Remove m4_divert(-1).
4500 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4501 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
4502 m4_divert_push(0) and m4_divert_pop(0).
4503 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
4504 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
4505 pushed and popped by m4sugar, should be first on the stack.
4507 Provide warn, complain, and fatal function callbacks to the skeletons.
4508 This provides more flexibility than m4_fatal, improves the error
4509 message format, and captures messages for translation. Discussed
4511 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
4512 * data/bison.m4 (b4_error): New, invoked by...
4513 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
4514 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
4515 directives. Because these M4 macros might be called when the current
4516 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
4517 the previous removal of uses of m4_divert, which caused trouble.
4518 (b4_check_percent_code_qualifiers): Use b4_complain instead of
4519 m4_fatal to report unrecognized %code qualifiers.
4520 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
4521 push parser requests.
4522 * data/glr.c: Use b4_complain instead of m4_fatal to report
4523 non-deterministic push parser requests.
4524 Update @output usage to @output(...@) form.
4525 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
4526 report missing %defines. Update @output usage to @output(...@) form.
4527 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
4529 * src/main.c (main): Invoke skel_scanner_free.
4530 * src/scan-skel.h (skel_scanner_free): Prototype new function.
4531 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
4532 obstack_for_string from flex-scanner.h.
4533 (YY_DECL): Use to declare skel_lex static.
4534 (decode_at_digraphs): Remove; now handled in the new
4535 SC_AT_DIRECTIVE_ARG start condition.
4536 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
4538 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
4539 at_directive_argv): New static globals.
4540 (INITIAL): Use fail_for_invalid_at.
4541 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
4542 recognize the start of a generalized `@directive(...@)' form and
4544 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
4545 directive args (using the new obstack_for_string), to decode the
4546 contained @ diagraphs, and to perform the directive. It recognizes
4547 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
4549 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
4550 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
4552 (scan_skel): Initialize obstack_for_string on the first call.
4553 (skel_scanner_free): New function to free obstack_for_string.
4554 * tests/input.at (Reject bad %code qualifiers): Update test output.
4556 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
4558 Consolidate the 4 prologue alternative directives (%code, %requires,
4559 %provides, and %code-top) into a single %code directive with an
4560 optional qualifier field. Discussed at
4561 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
4562 * NEWS (2.3a+): Rewrite the existing entry for the prologue
4564 * doc/bison.texinfo (Prologue Alternatives): Update.
4565 (Decl Summary): Update to %code "requires" and %code "provides".
4566 (Calc++ Parser): Update to %code "requires".
4567 (Table of Symbols): Remove entries for %requires, %provides, and
4568 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
4569 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
4570 are replaced by b4_percent_code_provides and b4_percent_code_requires,
4571 which are skeleton-specific.
4572 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
4573 declare what %code qualifiers it supports and to complain if any other
4574 qualifiers were used in the grammar.
4575 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
4576 and b4_user_code([b4_percent_code_provides]) in place of
4577 b4_user_requires and b4_user_provides.
4578 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
4579 Add b4_user_code([b4_percent_code_top]) and
4580 b4_user_code([b4_percent_code]).
4581 Invoke b4_check_percent_code_qualifiers.
4582 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4583 PERCENT_REQUIRES): Remove.
4584 (grammar_declaration): Remove RHS's for %code-top, %provides, and
4585 %requires. Rewrite the %code RHS as the unqualified form defining the
4586 muscle b4_percent_code. Add another RHS for the qualified %code form,
4587 which defines muscles of the form b4_percent_code_QUALIFIER and the
4588 b4_used_percent_code_qualifiers muscle.
4589 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4590 PERCENT_REQUIRES): Remove.
4591 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
4592 %code "requires" and %code "provides".
4593 * tests/input.at (Reject bad %code qualifiers): New.
4595 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4597 Use the new code_props interface for destructors and printers.
4598 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
4599 printer_location members, and change the type of the destructor and
4600 printer members to code_props.
4601 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
4602 symbol_printer_get, semantic_type_destructor_set,
4603 semantic_type_printer_set, default_tagged_destructor_set,
4604 default_tagless_destructor_set, default_tagged_printer_set,
4605 default_tagless_printer_set): Use code_props in arguments and return
4606 types in place of char const * and location.
4607 (symbol_destructor_location_get, symbol_printer_location_get): Remove
4608 since the locations are now contained in the return of
4609 symbol_destructor_get and symbol_printer_get.
4610 * src/output.c (symbol_destructors_output, symbol_printers_output):
4612 (symbol_code_props_output): ... this to eliminate duplicate code.
4613 (output_skeleton): Update to use symbol_code_props_output.
4614 * src/reader.c (symbol_should_be_used): Update use of
4615 symbol_destructor_get.
4616 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
4617 Update uses of the various _destructor_set and _printer_set functions.
4618 * src/symtab.c: (default_tagged_destructor_location,
4619 default_tagless_destructor_location, default_tagged_printer_location,
4620 default_tagless_printer_location): Remove since we...
4621 (default_tagged_destructor, default_tagless_destructor,
4622 default_tagged_printer, default_tagless_printer): ... change the type
4623 of these to code_props.
4624 (symbol_new, semantic_type_new, symbol_destructor_set,
4625 semantic_type_destructor_set, symbol_destructor_get,
4626 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
4627 symbol_check_alias_consistency, default_tagged_destructor_set,
4628 default_tagless_destructor_set, default_tagged_printer_set,
4629 default_tagless_printer_set): Update.
4630 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
4631 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
4633 (symbol_print): Use SYMBOL_CODE_PRINT.
4635 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4637 Use the new code_props interface for rule actions.
4638 * src/symlist.h (symbol_list): Replace action, action_location, and
4639 used members with a code_props action_props member.
4640 * src/reader.c (symbol_should_be_used, grammar_rule_check,
4641 grammar_midrule_action, grammar_current_rule_merge_set,
4642 grammar_current_rule_symbol_append, packgram): Update.
4643 * src/scan-code.h (translate_rule_action): Remove, no longer used.
4644 * src/scan-code.l (handle_action_dollar): Update.
4645 (translate_rule_action): Remove, no longer used.
4646 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
4648 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4650 Use the new code_props interface in parse-gram.y.
4651 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
4652 Update all uses of translate_* functions to use the new code_props
4653 interface and to use gram_scanner_last_string_free and
4654 code_scanner_last_string_free where possible.
4655 (grammar_declaration): symbol_list_destructor_set and
4656 symbol_list_printer_set now perform the translation, so don't do it
4657 here. Use gram_scanner_last_string_free where possible.
4658 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
4659 translate_code): Remove, no longer used.
4660 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
4661 symbol_list_printer_set): Perform code translation here rather than
4662 depending on the caller to do so.
4664 * src/symlist.h (struct symbol_list): Correct some documentation typos.
4665 * src/scan-gram.h (gram_last_string): Remove declaration.
4666 * src/scan-gram.l (last_string): Declare it static.
4668 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4670 Encapsulate code properties and related functionality for the various
4671 destructors, printers, and actions into a code_props structure and
4672 interface. This patch merely implements code_props in scan-code.h and
4673 scan-code.l. Future patches will rewrite other modules to use it.
4674 Discussed starting at
4675 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
4676 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
4677 consistently initialize const structs that have an empty location
4679 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
4680 to ensure consistency.
4681 * src/scan-code.h (code_props): New structure.
4682 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
4683 function, macro, and const global variable for initializing a
4684 code_props with no code.
4685 (code_props_plain_init, code_props_symbol_action_init,
4686 code_props_rule_action_init, code_props_translate_code): The rest of
4687 the new code_props functional interface. Among other things, the init
4688 functions set the code_props kind field so that
4689 code_props_translate_code will know whether to behave like
4690 translate_symbol_action, translate_rule_action, or translate_code.
4691 These old translate functions must remain until all other modules are
4692 updated to use the new code_props interface.
4693 (code_scanner_last_string_free): New function similar to
4694 gram_scanner_last_string_free.
4695 (code_scanner_free): Add documentation.
4696 * src/scan-code.l: Implement the new interface.
4697 (code_lex): Make it static, add a code_props* argument, and remove the
4699 (last_string): New static global similar to the one in scan-gram.l.
4700 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
4702 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
4703 code_props since Bison may one day use this information for destructors
4705 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
4706 (handle_action_dollar): Use symbol_list_n_get and set used flag
4707 directly since symbol_list_n_used_set is removed.
4708 (translate_action): Add a code_props* argument and remove the rule,
4709 action, and location arguments. Pass the code_props* on to code_lex.
4710 (translate_rule_action, translate_symbol_action, translate_code):
4711 Rewrite as wrappers around the new code_props interface.
4712 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
4713 it would eventually need to break the encapsulation of code_props.
4715 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4717 * etc/.cvsignore: New.
4719 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4721 Add maintainer-push-check to run maintainer-check using push parsing in
4722 place of pull parsing where available.
4723 * Makefile.am (maintainer-push-check): New.
4724 * data/bison.m4 (b4_use_push_for_pull_if): New.
4725 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
4726 appropriately based on their existing values.
4727 (yypush_parse): Don't print push-parser-specific diagnostics if push
4728 parsing is being used in place of pull parsing.
4729 * data/yacc.c: If push parsing should replace pull parsing, redirect to
4731 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
4732 variable, and insert b4_use_push_for_pull_flag into muscles.
4733 * tests/Makefile.am (maintainer-push-check): New.
4735 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4737 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
4738 (whether successful or failed) so that yypush_parse can be invoked
4739 again to start a new parse using the same yypstate.
4740 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
4741 check multiple yypull_parse invocations on the same yypstate. For pull
4742 mode, extend to check multiple yyparse invocations.
4743 (Exploding the Stack Size with Alloca): Extend to try with
4745 (Exploding the Stack Size with Malloc): Likewise.
4747 * tests/calc.at (Simple LALR Calculator): Don't specify
4748 %skeleton "push.c" since %push-pull-parser implies that now.
4749 * tests/headers.at (export YYLTYPE): Don't check for the push
4750 declarations. Otherwise, this test case can't be used to see if push
4751 mode can truly emulate pull mode.
4752 * tests/input.at (Torturing the Scanner): Likewise.
4753 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
4754 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
4755 AT_YACC_IF, which now includes the case of push mode since %skeleton
4756 need not be used for push mode. This will be more intuitive once
4757 push.c is renamed to yacc.c.
4759 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4761 For push mode, convert yyparse from a macro to a function, invoke yylex
4762 instead of passing a yylexp argument to yypull_parse, and don't
4763 generate yypull_parse or yyparse unless %push-pull-parser is declared.
4764 Discussed starting at
4765 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
4766 * data/bison.m4 (b4_pull_if): New.
4767 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
4768 * data/push.c: Improve M4 quoting a little.
4769 (b4_generate_macro_args, b4_parenthesize): Remove.
4770 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
4771 any time a pull parser is requested.
4772 Don't #define this as a wrapper around yypull_parse. Instead, when
4773 both push and pull are requested, make it a function that does that
4775 (yypull_parse): If there's a b4_prefix, #define this to
4776 b4_prefix[pull_parse] when both push and pull are requested.
4777 Don't define this as a function unless both push and pull are
4779 Remove the yylexp argument and hard-code yylex invocation instead.
4780 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
4782 * src/getargs.c (pull_parser): New global initialized to true.
4783 * getargs.h (pull_parser): extern it.
4784 * src/output.c (prepare): Insert pull_flag muscle.
4785 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
4786 (prologue_declaration): Set both push_parser and pull_parser = true for
4787 %push-pull-parser. Set push_parser = true and pull_parser = false for
4789 * src/scan-gram.l: Don't accept %push_parser as an alternative to
4790 %push-parser since there's no backward-compatibility concern here.
4791 Scan %push-pull-parser.
4792 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
4793 instead of %push-parser.
4794 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
4795 prototype it in the module that calls yyparse.
4796 * tests/input.at (Torturing the Scanner): Likewise.
4797 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
4799 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
4801 Update etc/bench.pl. Optimize push mode a little (the yyn change
4802 deserves most of the credit).
4803 * Makefile.am (SUBDIRS): Add etc subdirectory.
4804 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
4805 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
4806 yytoken, yyval, and yyloc declarations to...
4807 (yyparse or yypush_parse): ... here to improve performance. For
4808 yypush_parse invocations after the first, be sure to assign yyn its old
4810 (yypstate_new): Don't bother initializing the yyresult field since the
4811 initial value isn't used.
4812 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
4813 remove the #define that, in push mode, set it to yyps->NAME.
4814 * etc/Makefile.am: New.
4815 * etc/bench.pl: Remove and build it instead from...
4816 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
4817 "tests/bison" from the build directory by default rather than just
4818 invoking "bison" from $PATH.
4819 (calc_grammar): Update push parser code: don't declare yylval globally,
4820 don't define yyparse_wrapper, and don't #define yyparse.
4821 (bench_grammar): Update to check all working combinations of yacc.c,
4822 push.c, impure, pure, pull, and push.
4824 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4826 For push mode, add pull wrappers around yypush_parse.
4827 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
4828 (yypull_parse): New function wrapping yypush_parse.
4829 (yyparse): New #define wrapping yypull_parse.
4830 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
4832 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
4833 prototype yylex in the module that calls yyparse, and don't prototype
4834 yyparse there. Otherwise, the yyparse expansion won't compile.
4835 * tests/input.at (Torturing the Scanner): Likewise.
4837 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4839 Enable push parsers to operate in impure mode. Thus, %push-parser no
4840 longer implies %pure-parser. The point of this change is to move
4841 towards being able to test the push parser code by running the entire
4842 test suite as if %push-parser had been declared.
4843 * data/push.c (yypush_parse): For impure mode, remove the
4844 yypushed_char, yypushed_val, and yypushed_loc arguments.
4845 Instead, declare these as local variables initialized to the global
4846 yychar, yylval, and yylloc.
4847 For the first yypush_parse invocation only, restore the initial values
4848 of these global variables when it's time to read a token since they
4849 have been overwritten.
4850 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
4852 * tests/calc.at (Simple LALR(1) Calculator): Always declare
4853 %pure-parser along with %push-parser since this test case was designed
4854 for pure push parsers.
4855 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
4856 (AT_YACC_OR_PUSH_IF): New.
4857 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
4858 add a note that it's still wrong for some cases (as it has been for a
4860 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
4861 %push-parser no longer implies %pure-parser.
4863 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4865 Remove some unnecessary differences between the pull parser code and
4866 the push parser code. This patch enables yynerrs in push mode.
4867 * data/push.c: Reformat M4 a little.
4868 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
4869 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
4870 because push mode is on. Instead, if pure mode is on, move yynerrs
4872 (b4_declare_parser_state_variables): ... here.
4873 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
4874 to yyps->NAME so it can be used in yypush_parse.
4875 (yypush_parse): Don't omit uses of yynerrs in push mode.
4877 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4879 Fix bug such that the first pushed token's value and location are
4880 sometimes overwritten (sometimes by %initial-action) before being used.
4881 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
4882 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
4883 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
4884 more closely mimic the pull parser logic.
4885 Don't copy the pushed token to yychar, yylval, and yylloc until it's
4886 time to read a token, which is after any initialization of yylval and
4888 (gottoken): Rename label to...
4889 (yyread_pushed_token): ... for clarity and to avoid infringing on the
4892 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4894 Rearrange initialization of the parser state variables so that the
4895 skeleton doesn't have to have a copy for pull mode and another for push
4896 mode. This patch also fixes at least a bug such that yylloc was not
4897 initialized (with b4_location_initial_line and
4898 b4_location_initial_column) upon calling yypush_parse. However, that
4899 initialization now overwrites the first token's location;
4900 %initial-action assigning @$ already did the same thing, and both bugs
4901 will be fixed in a later patch.
4902 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
4903 (b4_declare_parser_state_variables): Remove initialization of yytoken,
4904 yyss, yyvs, yyls, and yystacksize.
4905 (yypstate_new): Remove initialization of some yypstate fields: yystate,
4906 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
4908 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
4909 yyps->NAME so it can be used in yypush_parse.
4910 (yyparse or yypush_parse): For yypush_parse, don't print the
4911 "Starting parse" diagnostic for invocations after the first.
4912 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
4913 yypush_parse, only do it for the first invocation.
4914 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
4915 initialization to occur in yypush_parse but only on the first
4918 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4920 * data/push.c: Add CPP guards around push parser declarations in both
4921 the header and the code file.
4922 In the code file, move the push parser declarations to the same place
4923 they appear in the header file.
4924 Clean up the M4 some, especially the inconsistent underquoting in
4925 some b4_c_function_def and b4_c_function_decl uses.
4927 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4929 Encapsulate the push parser state variables into an M4 macro so the
4930 push skeleton doesn't have to list them again for pull mode's yyparse.
4931 For push mode, remove yypush_parse's local equivalents of these
4932 variables to eliminate unnecessary copying between the two sets at
4933 run-time. This patch also fixes at least a bug related to multiple
4934 %initial-action invocations in push mode.
4935 * data/push.c (b4_declare_parser_variables): Rename to...
4936 (b4_declare_scanner_communication_variables): ... this for clarity and
4938 (b4_declare_yyparse_variables): Remove and move its contents to the one
4939 spot where it was invoked.
4940 (b4_declare_parser_state_variables): New macro containing the parser
4941 state variables required by push mode.
4942 (struct yypstate): Replace all fields but yynew with
4943 b4_declare_parser_state_variables.
4944 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
4945 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
4946 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
4947 (yyparse or yypush_parse): For yyparse in pull mode, replace local
4948 parser state variable declarations with
4949 b4_declare_parser_state_variables.
4950 Don't initialize parser state variables when calling yypush_parse since
4951 yypstate_new already does that.
4952 Invoke the user's initial action only upon the first yypush_parse
4954 Remove all code that copies between the local parser state variables
4957 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4959 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
4960 prevent a name collision in a future patch where these names will
4961 sometimes be #define'd.
4962 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
4963 since it no longer has the same name as the existing argument.
4964 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
4966 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
4967 and Joel E. Denny <jdenny@ces.clemson.edu>
4969 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
4970 that the argument is case-insensitive, and there's no `=' here.
4971 For the %skeleton entry, mention that %language is better.
4972 (Bison Options): Likewise for --language and --skeleton. Move the
4973 --skeleton entry so that the `Tuning the parser' section is sorted
4974 alphabetically on long options.
4975 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
4976 %language directive in detail here; cross-reference the %language
4977 documentation instead.
4978 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
4979 `%require "2.3b"' so that the example is always up-to-date.
4980 (Table of Symbols): Add entries for %language and %skeleton.
4981 * examples/extexi (normalize): Instead of replacing every %require
4982 argument with the current Bison version, just substitute for
4983 `@value{VERSION}'. This guarantees that we're testing what actually
4984 appears in the documentation.
4985 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
4986 rather than `@VERSION@'.
4988 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
4990 * NEWS: Reword the %language news a bit, and put it earlier.
4992 * src/getargs.c (skeleton_arg): Last arg is now location const *.
4993 Rewrite to simplify the logic.
4994 (language_argmatch): Likewise.
4995 (program_name): We now own this var.
4996 * src/getargs.h (struct bison_language): Use char[] rather than
4999 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
5001 * src/complain.c (program_name): Remove decl; no longer needed.
5002 * src/main.c (program_name): Remove; now belongs to getargs.
5004 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
5006 * NEWS: Document %language.
5008 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
5010 * data/c-skel.m4, data/c++-skel.m4: New files.
5011 * data/glr.c: Complain on push parsers.
5013 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
5015 (Decl Summary): Document %language and %skeleton.
5016 (Command line): Document -L.
5018 * examples/extexi: Rewrite %require directive.
5019 * examples/calc++/Makefile.am: Pass VERSION to extexi.
5021 * src/files.c (compute_exts_from_gc): Look in language structure
5023 (compute_file_name_parts): Check whether .tab should be added.
5024 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
5025 (language, skeleton_arg, language_argmatch): New.
5026 (long_options): Add --language.
5027 (getargs): Use skeleton_arg, add -L/--language.
5028 * src/getargs.h: Include location.h.
5029 (struct bison_language, language, skeleton_arg, language_argmatch): New.
5030 * src/output.c (prepare): Pick default skeleton from struct language.
5031 Don't dispatch C skeletons here.
5032 * src/parse-gram.y (PERCENT_LANGUAGE): New.
5033 (prologue_declaration): Add "%language" rule, use skeleton_arg.
5034 * src/scan-gram.l ("%language"): New rule.
5036 * tests/calc.at: Test %skeleton and %language.
5037 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
5038 (AT_GLR_IF): Look for %skeleton "glr.cc".
5039 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
5040 (AT_YACC_IF): Reject %language.
5042 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
5044 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
5045 since it wasn't used; only the typedef name 'semantic_type' is needed.
5046 Also, omit trailing white space.
5048 * bootstrap: Sync from coreutils.
5049 (gnulib_extra_files): Add build-aux/announce.gen.
5050 (slurp): Adjust .gitignore files like .cvsignore files.
5051 * build-aux/announce-gen: Remove from CVS, since bootstrap
5054 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
5056 Make %push-parser imply %pure-parser. This fixes several bugs; see
5057 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
5058 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
5060 * data/push.c: Don't bother testing b4_push_if when deciding whether
5061 to expand b4_declare_parser_variables globally.
5062 (yypush_parse): Likewise in here.
5064 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
5065 (yy_reduce_print): Reformat M4 for readability.
5067 2006-12-15 Bob Rossi <bob@brasko.net>
5068 and Joel Denny <jdenny@ces.clemson.edu>
5070 * data/push.c (yypstate): Add typedef, and update all uses of
5071 struct yypstate to just yypstate.
5072 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
5074 2006-12-14 Bob Rossi <bob@brasko.net>
5076 * data/push.c (yypush_parse): Declare prototype regardless of
5079 2006-12-14 Bob Rossi <bob@brasko.net>
5081 * data/push.c (yyparse): Remove the prototype and the #define when in
5084 2006-12-13 Bob Rossi <bob@brasko.net>
5086 * data/push.c (yypstate_init): Rename to...
5087 (yypstate_new): ... this and use b4_c_function_def.
5088 (yypstate_delete): New.
5089 (yypush_parse): Change parameters yynval and yynlloc to be const.
5090 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
5091 yypstate_delete functions.
5093 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
5095 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
5096 strange test case titles. Reported by Bob Rossi.
5098 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
5100 * TODO: Add pointer to Sylvain Schmitz's work on static detection
5101 of potential ambiguities in GLR grammers.
5103 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
5105 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
5106 `bison ', use m4_index instead of m4_substr since chopping up a string
5107 containing M4-special characters causes problems here.
5109 Fix a couple of bugs related to special characters in user-specified
5110 file names, and make it easier for skeletons to compute output file
5111 names with the same file name prefix as Bison-computed output file
5113 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
5114 b4_parser_file_name and b4_spec_defines_file instead of
5115 @output_parser_name@ and @output_header_name@, which are now redundant.
5116 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
5117 b4_parser_file_name, b4_spec_defines_file, and the new
5118 @basename(FILENAME@) instead of @output_parser_name@ and
5119 @output_header_name@, which inappropriately escaped the file names as
5121 * src/files.c (all_but_ext): Remove static qualifier.
5122 (compute_output_file_names): Move `free (all_but_ext)' to...
5123 (output_file_names_free): ... here since all_but_ext is needed later.
5124 * src/files.h (all_but_ext): Extern.
5125 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
5126 exactly what MUSCLE_INSERT_STRING used to do.
5127 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
5128 characters are escaped properly.
5129 * src/output.c (prepare): Define muscle file_name_all_but_ext as
5131 For pkgdatadir muscle, maintain previous functionality by using
5132 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
5133 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
5134 digraphs would never be expanded. Hopefully no one has M4-special
5135 characters in his Bison installation path.
5136 * src/scan-skel.l: Don't parse @output_header_name@ and
5137 @output_parser_name@ anymore since they're now redundant.
5138 In @output, use decode_at_digraphs.
5139 Parse a new @basename command that invokes last_component.
5140 (decode_at_digraphs): New.
5141 (BASE_QPUTS): Remove unused.
5142 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
5143 (Output file name): New tests.
5145 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
5147 Warn about output files that are generated by the skeletons and that
5148 conflict with other output files.
5149 * data/glr.c: Don't generate the header file here when glr.cc does.
5150 * src/files.c (file_names, file_names_count): New static globals.
5151 (compute_output_file_names): Invoke output_file_name_check for files
5152 not generated by the skeletons and remove existing checks.
5153 (output_file_name_check): New function that warns about conflicting
5155 (output_file_names_free): Free file_names.
5156 * src/files.h (output_file_name_check): Declare.
5157 * src/scan-skel.l: Invoke output_file_name_check for files generated by
5159 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
5160 (Conflicting output files): New tests.
5162 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5164 * doc/bison.texinfo: Fix a couple of typos.
5166 2006-12-08 Bob Rossi <bob@brasko.net>
5168 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
5170 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
5172 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
5173 (yypush_parse): Rename yypvars argument to yyps and remove redundant
5175 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
5176 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
5178 2006-12-07 Bob Rossi <bob@brasko.net>
5179 and Joel Denny <jdenny@ces.clemson.edu>
5181 * data/push.c (yypvarsinit): Change return type from void* to struct
5182 yypvars*. No longer cast to void* on return.
5183 (struct yypvars): Remove yylen since it need not be remembered between
5184 yypushparse invocations.
5185 (yypushparse): Don't copy between yylen and pv->yylen.
5187 2006-12-05 Bob Rossi <bob@brasko.net>
5189 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
5190 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
5191 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
5192 (struct yypvars): Remove b4_declare_parser_variables.
5193 (yypvarsinit): Remove init code for removed variables.
5194 (global scope): Do not declare b4_declare_parser_variables if
5196 (yypushparse): Add b4_declare_parser_variables.
5197 Init new local variables, and remove init code for removed
5200 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
5201 and yyparse for other modes.
5202 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
5203 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
5204 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
5205 (AT_PURE_LEX_IF): True if pure or push parser.
5207 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
5209 Document Yacc prologue alternatives and default %destructor's and
5210 %printer's as experimental. Don't mention Java yet. Discussed at
5211 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
5212 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
5213 (2.3a): Annotate this entry to say the old forms of these features were
5215 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
5216 Table of Symbols): Say they're experimental. Comment out any mention
5217 of Java (we'll want this back eventually).
5219 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
5221 Support a file name argument to %defines. Deprecate `=' in
5222 %file-prefix, %name-prefix, and %output. Discussed at
5223 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
5224 * NEWS (2.3a+): Mention.
5225 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
5226 form of %defines, and remove `=' from entries for %file-prefix,
5227 %name-prefix, and %output.
5228 * src/parse-gram.y (prologue_declaration): Implement.
5229 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
5230 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
5231 all but one occurrence of %name-prefix.
5232 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
5233 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
5234 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
5235 occurrence of each of %file-prefix and %output. Add check for %defines
5237 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
5238 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
5239 Remove the `=' from %output.
5241 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
5243 Don't escape $ in test case titles since Autoconf 2.61 now does that
5245 * tests/actions.at (Default %printer and %destructor are not for error
5246 or $undefined): Here.
5247 (Default %printer and %destructor are not for $accept): Here.
5248 * tests/input.at (Invalid $n and @n): Here.
5250 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
5252 Rename <!> to <>. Discussed starting at
5253 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
5254 * NEWS (2.3a+): Update.
5255 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
5257 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
5258 * src/scan-gram.l (INITIAL): Implement.
5259 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
5260 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
5262 * tests/actions.at (Default tagless %printer and %destructor,
5263 Default tagged and per-type %printer and %destructor,
5264 Default %printer and %destructor are not for error or $undefined,
5265 Default %printer and %destructor are not for $accept,
5266 Default %printer and %destructor for mid-rule values): Update.
5267 * tests/input.at (Default %printer and %destructor redeclared,
5268 Unused values with default %destructor): Update.
5270 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
5272 Don't let %prec take a nonterminal.
5273 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
5275 * tests/input.at (%prec takes a token): New test checking that %prec
5276 won't take a nonterminal.
5278 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5280 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
5281 it was double-quoted.
5282 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
5283 grammar is maintained with Bison's highest standards.
5284 * src/getargs.c: Fix some typos in Doxygen comments.
5286 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5288 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
5289 later. Reported by Paul Eggert in
5290 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
5291 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
5292 * src/scan-code.l (translate_action): Don't bother invoking
5293 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
5294 (code_scanner_free): Instead of invoking
5295 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
5297 * src/scan-gram.l (gram_scanner_free): Likewise.
5298 * src/scan-skel.l (scan_skel): Likewise.
5300 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
5302 * src/files.c (tr): Change return type to void.
5303 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
5304 has been called previously for the same key.
5305 (muscle_find): Return storage instead of value so that
5306 --enable-gcc-warnings doesn't produce warnings that the return discards
5307 const. aver that the value and storage are the same since storage
5308 could potentially be NULL when value is not.
5309 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
5312 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
5314 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
5315 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
5316 us a slightly cleaner distribution, and also works.
5317 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
5320 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
5321 and Paul Eggert <eggert@cs.ucla.edu>
5323 Don't let Bison leak memory except when it complains.
5324 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
5325 (spec_defines_file, dir_prefix): Now char *, not const char *,
5326 since they are freed.
5327 * src/files.c: Likewise.
5328 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
5330 (tr): Now operates in-place. All uses changed.
5331 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
5333 (compute_file_name_parts, compute_output_file_names): Don't store
5334 read-only data in variables that will be freed.
5335 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
5336 src_extension, and header_extension.
5337 (output_file_names_free): New public function to free
5338 spec_verbose_file, spec_graph_file, spec_defines_file,
5339 parser_file_name, and dir_prefix.
5340 * src/getargs.c (getargs): Don't store read-only data in variables that
5342 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
5343 (which previously existed but was unused), and quotearg_free.
5344 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
5345 * src/muscle_tab.c: Likewise.
5346 (muscle_entry): Make the value char const *,
5347 and add a new storage member that is char * and can be freed.
5348 (muscle_entry_free): New private function.
5349 (muscle_init): Use it instead of free.
5350 (muscle_insert, muscle_grow): Update and use new storage member.
5351 (muscle_code_grow): Free the string passed to muscle_grow
5352 since it's not needed anymore.
5353 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
5354 add a new `char *code' member.
5355 ("{...}"): Declare semantic type as code.
5356 * src/scan-code.h (translate_rule_action):
5357 (translate_symbol_action, translate_code, translate_action): Return
5358 `char const *' rather than `char *' since external code should not free
5360 * src/scan-code.l: Likewise.
5361 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
5362 which is "{...}" in the parser.
5363 * tests/Makefile.am (maintainer-check-valgrind): Set
5364 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
5366 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
5368 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
5369 expecting a non-zero exit status sets --leak-check=summary and
5370 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
5371 this case, and we don't want to hear about it.
5373 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
5375 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
5376 instead of from the template, to simplify configuration a bit.
5377 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
5378 and m4/wint_t.m4, as they are needed with the latest gnulib.
5380 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5382 Disable unset/unused mid-rule value warnings by default, and recognize
5383 --warnings=midrule-values to enable them. Discussed starting at
5384 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
5385 * NEWS (2.3a+): Mention.
5386 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
5387 warnings): Add entry for midrule-values subargument.
5388 * src/reader.c (symbol_should_be_used): Don't return true just because
5389 the value is a set/used mid-rule value unless
5390 --warnings=midrule-values was specified.
5391 * tests/input.at (Unused values, Unused values before symbol
5392 declarations): Run tests with and without --warnings=midrule-values.
5394 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
5395 than LIST_FREE directly.
5397 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5399 Finish implementing --warnings=error, which should not be implied by
5400 --warnings=all (or by its synonyms -W and --warnings without
5402 * src/complain.c (set_warning_issued): New function to report that
5403 warnings are being treated as errors and to record an error if so.
5405 (warn_at, warn): ... here.
5406 * src/getargs.c (warnings_args, warnings_types): Reorder so that
5407 "error - warnings are errors" does not appear above "all - all of the
5409 (getargs): For -W and --warnings without subarguments, don't let
5410 FLAGS_ARGMATCH set warnings_error in warnings_flag.
5411 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
5413 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5415 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
5416 empty subargument list. For example: `bison --warnings= parser.y'.
5418 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5420 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
5421 the parser header file so that gcc doesn't warn.
5423 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5425 Split the default %destructor/%printer into two kinds: <*> and <!>.
5426 Discussed starting at
5427 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
5428 * NEWS (2.3a+): Mention.
5429 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
5430 previous change today related to mid-rules.
5431 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
5432 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
5433 (TYPE_TAG_ANY): Add as <*>.
5434 (TYPE_TAG_NONE): Add as <!>.
5435 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
5437 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
5438 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
5439 * src/symlist.c (symbol_list_default_new): Split into tagged and
5441 (symbol_list_destructor_set, symbol_list_printer_set): Split
5442 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
5443 SYMLIST_DEFAULT_TAGLESS.
5444 * src/symlist.h: Update symbol_list_default*_new prototypes.
5445 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
5446 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
5447 * src/symtab.c (default_destructor, default_destructor_location,
5448 default_printer, default_printer_location): Split each into tagged and
5450 (symbol_destructor_get, symbol_destructor_location_get,
5451 symbol_printer_get, symbol_printer_location_get): Implement tagged
5452 default and tagless default cases.
5453 (default_destructor_set, default_printer_set): Split each into tagged
5454 and tagless versions.
5455 * src/symtab.h: Update prototypes.
5456 * tests/actions.at (Default %printer and %destructor): Rename to...
5457 (Default tagless %printer and %destructor): ... this, and extend.
5458 (Per-type %printer and %destructor): Rename to...
5459 (Default tagged and per-type %printer and %destructor): ... this, and
5461 (Default %printer and %destructor for user-defined end token): Extend.
5462 (Default %printer and %destructor are not for error or $undefined):
5464 (Default %printer and %destructor are not for $accept): Update.
5465 (Default %printer and %destructor for mid-rule values): Extend.
5466 * tests/input.at (Default %printer and %destructor redeclared): Extend.
5467 (Unused values with default %destructor): Extend.
5469 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5471 Don't apply the default %destructor/%printer to an unreferenced midrule
5473 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
5474 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
5475 like $@n instead of just @n so that the default %destructor/%printer
5476 logic doesn't see them as user-defined symbols.
5477 (symbol_is_dummy): Check for both forms of the name.
5478 * src/reader.c (packgram): Remove the `$' from each midrule symbol
5479 name for which the midrule value is referenced in any action.
5480 * tests/actions.at (Default %printer and %destructor for mid-rule
5482 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
5483 for change to dummy symbol names.
5485 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
5487 Warn about unset midrule $$ if the corresponding $n is used.
5488 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
5490 (packgram): Before invoking grammar_rule_check on any rule, make sure
5491 all actions have already been scanned in order to set `used' flags.
5492 Otherwise, checking that a midrule's $$ is set will not always work
5493 properly because the midrule check must forward-reference the midrule's
5495 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
5498 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
5500 More improvements to the documentation of the prologue alternatives:
5501 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
5503 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
5504 some text to clarify the relative importance of the new directives and
5505 to show how these directives may be viewed as code labels.
5507 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
5509 Similar to the recently removed %before-header, add %code-top as the
5510 alternative to the pre-prologue. Mentioned at
5511 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
5512 Also, let the prologue alternatives appear in the grammar section.
5513 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
5514 (prologue_declaration): Move the existing prologue alternatives to...
5515 (grammar_declaration): ... here and add %code-top.
5516 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
5518 Clean up and extend documentation for the prologue alternatives.
5519 * NEWS (2.3a+): Describe prologue alternatives.
5520 * doc/bison.texinfo (Prologue): Move discussion of prologue
5522 (Prologue Alternatives): ... this new section, and extend it to discuss
5523 all 4 directives in detail.
5524 (Table of Symbols): Clean up discussion of prologue alternatives and
5527 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5529 DJGPP specific issues.
5531 * djgpp/config.bat: config.hin has been moved to lib. Adjust
5532 config.bat accordingly.
5533 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
5534 * djgpp/config.site: Likewise.
5536 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
5538 Replace %*-header with %provides, %requires, %code. See discussion at
5539 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
5541 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
5542 (b4_user_start_header): Remove.
5543 * data/glr.c: Use new macros instead of b4_*start_header
5545 * data/glr.cc: Likewise.
5546 * data/lalr1.cc: Likewise.
5547 * data/push.c: Likewise.
5548 * data/yacc.c: Likewise.
5550 * doc/bison.texinfo: Remove %before-header, rename
5551 %{start,end,after}-header to %requires, %provides, %code.
5553 * src/parse-gram.y: Likewise (also rename token names accordingly).
5554 * src/scan-gram.l: Likewise.
5555 * tests/actions.at: Likewise.
5557 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
5559 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
5560 Problem reported by Joel E. Denny.
5562 2006-10-14 Jim Meyering <jim@meyering.net>
5564 (Sync from coreutils.)
5565 Work also when the working directory (with e.g. coreutils sources)
5566 is version controlled with git, rather than CVS.
5567 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
5569 In messages and comments, say e.g., "checked-out sources",
5570 rather than "CVS sources".
5571 (version_controlled_file): New function. Work for git as well as
5572 for CVS. Don't use grep's -q option.
5573 (slurp): Call it here, in place of CVS-specific code.
5575 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
5577 Fix testsuite for ./configure --enable-gcc-warnings:
5578 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
5579 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
5580 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
5581 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
5582 * test/regression.at (Diagnostic that expects two alternatives):
5585 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5587 * bootstrap.conf (gnulib_modules): Add config-h.
5588 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
5589 worry about HAVE_CONFIG_H.
5590 * lib/abitset.c: Likewise.
5591 * lib/bitset.c: Likewise.
5592 * lib/bitset_stats.c: Likewise.
5593 * lib/bitsetv-print.c: Likewise.
5594 * lib/bitsetv.c: Likewise.
5595 * lib/ebitset.c: Likewise.
5596 * lib/get-errno.c: Likewise.
5597 * lib/lbitset.c: Likewise.
5598 * lib/subpipe.c: Likewise.
5599 * lib/timevar.c: Likewise.
5600 * lib/vbitset.c: Likewise.
5601 * lib/bitset.c: Include "bitset.h" first, to test interface.
5602 * lib/bitset_stats.c: Include "bitset_stats.h" first.
5603 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
5604 * lib/bitsetv.c: Include "bitsetv.h" first.
5605 * lib/get-errno.c: Include "get-errno.h" first.
5606 * m4/.cvsignore: Add config-h.m4.
5607 * tests/actions.at (Default %printer and %destructor for ...):
5608 Adjust expected line numbers in output to reflect removal of #if
5609 HAVE_CONFIG_H lines.
5610 * tests/glr-regression.at (Missed %merge type warnings when ...):
5612 * tests/regression.at (Braced code in declaration in rules section):
5614 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
5615 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
5616 Include <config.h> unconditionally.
5618 * bootstrap: Sync from coreutils, as follows:
5620 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5622 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
5623 variable was sometimes used without being initialized. This
5624 messed up the installation of the INSTALL file in some cases.
5626 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5628 * bootstrap (usage, main program, symlink_to_gnulib): Add option
5629 --copy. Inspired by a suggestion from Bruno Haible.
5631 2006-10-03 Jim Meyering <jim@meyering.net>
5633 * bootstrap: Undo last change to this file, since now gnulib-tool
5634 sticks with the automake default in generating dependencies.
5636 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5638 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
5639 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
5641 * doc/bison.1: Add copyright notice.
5643 * data/glr.c: Don't include <stdarg.h>; not used.
5645 * NEWS: The -g and --graph options now output graphs in Graphviz
5646 DOT format, not VCG format.
5647 * doc/bison.1: Likewise.
5648 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
5649 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
5651 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
5652 * TODO: Remove Graphviz entry.
5653 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
5654 remove vcg.c, vcg.h, vcg_defaults.h.
5655 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
5656 * src/graphviz.c, src/graphviz.h: New files.
5657 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
5658 * src/files.h: Make comment more generic.
5659 * src/main.c (main): Likewise.
5660 * src/print_graph.h: Likewise.
5661 * src/getargs.c (usage): Make usage description more generic.
5662 * src/print_graph.c: Include graphviz.h rather than vcg.h.
5663 (static_graph, fgraph): Remove. All uses changed to pass
5664 arguments instead of sharing a static var.
5665 (print_core, print_actions, print_state, print_graph):
5666 Output graphviz format rather than VCG format.
5667 * tests/.cvsignore: Remove *.vcg; add *.dot.
5668 * tests/output.at: Expect *.dot files, not *.vcg files.
5670 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
5671 accommodates the 2006-10-08 change.
5673 2006-10-11 Bob Rossi <bob@brasko.net>
5675 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
5676 (b4_yyssa, b4_yyerror_range): New macros.
5677 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
5678 (yypvarsinit): Remove init of removed fields.
5679 (yypushparse): Remove use of removed fields; use new macros instead.
5681 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5683 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
5684 in a push parser. Reindent slightly to match yacc.c better.
5686 2006-10-11 Bob Rossi <bob@brasko.net>
5688 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
5690 (yypvarsinit, yypushparse): Remove init of removed fields.
5691 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
5693 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5695 * THANKS: Add Paolo Bonzini and Bob Rossi.
5697 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
5699 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
5700 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
5701 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
5702 b4_define_user_cde and uses): Remove.
5703 (b4_comment, b4_prefix, b4_sync_start): New.
5704 * data/bison.m4: New file, with most of the content removed from c.m4.
5705 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
5706 * src/output.c (output_skeleton): Pass bison.m4.
5707 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
5710 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
5712 Fix test failure reported by Tom Lane in
5713 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
5714 and try to make such failures easier to catch in the future.
5715 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
5716 that's now the caller's responsibility.
5717 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
5718 Set yychar = YYEOF if it's negative.
5719 * tests/actions.at (yylex): Abort if asked to read past EOF.
5720 * tests/conflicts.at (yylex): Likewise.
5721 * tests/cxx-type.at (yylex): Likewise.
5722 * tests/glr-regression.at (yylex): Likewise.
5723 * tests/input.at (yylex): Likewise.
5724 * tests/regression.at (yylex): Likewise.
5725 * tests/torture.at (yylex): Likewise.
5727 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
5729 Fix problems with translating English-language diagnostics.
5730 * bootstrap: Fix bug introduced in recent bootstrap changes, with
5731 respect to bison-runtime pot generation. The YY_ stuff
5732 wasn't being captured.
5733 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
5734 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
5735 * runtime-po/POTFILES.in: Add data/push.c.
5737 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
5739 Merge bootstrap changes from coreutils.
5741 2006-09-28 Jim Meyering <jim@meyering.net>
5743 Automatically generated dependencies are important even
5744 when all of the sources in a directory come from gnulib.
5745 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
5746 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
5748 2006-09-23 Jim Meyering <jim@meyering.net>
5750 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
5752 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5754 * bootstrap: Add support for --force.
5755 (usage): New function. Describe usage less tersely.
5756 (CVS_only_file): New var.
5758 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
5760 * data/push.c (YYPUSH_MORE): Make it an enum instead.
5761 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
5762 Adjust white space and comments to match GNU style better.
5764 2006-09-20 Bob Rossi <bob@brasko.net>
5766 * data/push.c (yyresult_get): Remove function.
5767 (YYPUSH_MORE): Add #define.
5768 (yypushparse): Modify return value.
5770 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5772 * stamp-h.in: Remove; no longer needed.
5773 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
5774 Remove config.h, config.hin, intl (no longer created).
5775 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
5778 Sync bootstrap from coreutils, as follows:
5780 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
5782 * bootstrap (symlink_to_gnulib): New function.
5783 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
5784 to copies-of-gnulib.
5785 (cp_mark_as_generated, slurp, gnulib_files):
5786 Avoid making a copy if it's the same as the old version.
5787 (gnulib_files): Add support for this variable (used by Bison).
5789 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5791 * src/getargs.c (usage): Rework to use conventions similar to
5792 coreutils, to make translation a bit easier and the code a bit
5793 smaller. Problem reported by Tim Van Holder.
5795 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
5797 Use some of gnulib's new modules, taken from coreutils.
5799 * bootstrap: Sync from coreutils, except add support for gnulib_files.
5800 * bootstrap.conf: New file.
5801 (gnulib_modules): Add configmake, inttypes, unistd.
5802 (XGETTEXT_OPTIONS): Add complain, complain_at,
5803 fatal, fatal_at, warn, warn_at, unexpected_end.
5804 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
5805 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
5807 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
5809 (GNULIB_AUTOCONF_SNIPPET): Remove.
5810 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
5812 * lib/.cvsignore: Add inttypes_.h.
5813 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
5814 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
5815 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
5816 no-longer-necessary initializations.
5817 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
5818 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
5819 use the unistd module.
5820 * src/system.h: Likewise.
5821 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
5822 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
5823 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
5824 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
5825 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
5826 * src/system.h: Include inttypes.h unconditionally, now that we
5827 use the inttypes module. Don't bother to include stdint.h, since
5828 inttypes.h now does that for us.
5829 (LOCALEDIR): Remove, now that we use the configmake module.
5830 * src/getargs.c: Include configmake.h.
5831 * src/main.c: Likewise.
5832 * src/output.c: Likewise.
5833 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
5834 not from $abs_top_builddir, since config.h moved.
5837 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
5838 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
5840 * src/parse-gram.y (symbol_declaration): Don't put statements
5841 before declarations; it's not portable to C89.
5842 * src/scan-code.l (handle_action_at): Likewise.
5844 * src/scan-code.l: Always initialize braces_level; the old code
5845 left it uninitialized and therefore had undefined behavior.
5847 Don't attempt to redefine 'assert', since it runs afoul of
5848 systems where standard headers (mistakenly) include <assert.h>.
5849 Instead, define and use our own alternative, called 'aver'.
5850 * src/reader.c: Don't include assert.h, since we no longer
5852 * src/scan-code.l: Likewise.
5853 * src/system.h (assert): Remove, replacing with....
5854 (aver): New function, taking a bool arg. All uses changed.
5855 * src/tables.c (pack_vector): Ensure that aver arg is bool,
5856 not merely an integer.
5858 2006-09-15 Bob Rossi <bob@brasko.net>
5860 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
5861 * data/c.m4 (YYPUSH): New.
5862 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
5863 * src/getargs.c (push_parser): New var.
5864 * src/getargs.h (push_parser): New declaration.
5865 * src/output.c (prepare): Add macro insertion of `push_flag'.
5866 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
5867 (prologue_declaration): Parse %push-parser.
5868 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
5869 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
5870 list of removed lines from the traces observed.
5871 (AT_CHECK_CALC_LALR): Added push parser tests.
5873 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
5875 * NEWS: Version 2.3a.
5876 * configure.ac (AC_INIT): Likewise.
5878 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
5879 "#define YYSTYPE int" that caused "make maintainer-check" to fail
5880 due to header ordering dependencies. I don't know why the #define
5883 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
5884 runtime cost when YYDEBUG is not defined, and so that some tests
5885 that used to fail now work. Problem and initial suggestion by
5887 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
5888 * data/glr.cc (b4_parser_class_name):
5889 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
5890 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
5891 (yydebug_) [YYDEBUG]: New member.
5892 (yycdebug_): Now defined only if YYDEBUG.
5893 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
5894 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
5895 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
5897 (debug_stream, set_debug_stream, debug_level, set_debug_level):
5898 Define only if YYDEBUG.
5899 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
5901 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
5902 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
5903 AT_CHECK_CALC_GLR_CC that are working now.
5905 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
5907 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
5908 We don't need them in glr.cc, and glr.c defines them.
5909 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
5910 assumes that defining it to anything is the same as defining
5911 it to 1. Problem reported by Paolo Bonzini.
5913 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
5915 * data/c.m4 (b4_null, b4_case): Define.
5916 * src/output.c (prepare_symbols): Use b4_null.
5917 (user_actions_output): Use b4_case.
5919 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
5921 * data/glr.c (b4_shared_declarations): Put start-header first,
5922 before any #includes that we generate, so that feature-test
5923 macros work. Problem reported by Michael Deutschmann in
5924 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
5925 * data/lalr1.cc: Likewise.
5926 * doc/bison.texinfo (Prologue): Document that feature-test macros
5927 should be defined before any Bison declarations.
5928 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
5929 that depend on location.hh after, not before, Bison decls, since
5930 we now include location.hh after the first user prologue.
5932 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
5933 Sander Brandenburg in
5934 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
5935 Also, fix minor white space and comment issues.
5936 (Prologue): Mention that it's better to define feature-test macros
5937 before Bison declarations. Problem reported by Michael Deutschmann.
5939 * README-cvs: Fix typo: "&" should be "&&". Problem reported
5941 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
5942 This adjusts to recent gnulib changes.
5944 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
5946 Finish implementation of per-type %destructor/%printer. Discussed
5948 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
5950 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
5951 * NEWS (2.3+): Add a description of this feature to the default
5952 %destructor/%printer description.
5953 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
5954 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
5955 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
5956 list node contains a semantic type.
5957 * src/symtab.c, src/symtab.h: Extend with a table that associates
5958 semantic types with their %destructor's and %printer's.
5959 (semantic_type_from_uniqstr, semantic_type_get,
5960 semantic_type_destructor_set, semantic_type_printer_set): New functions
5961 composing the public interface of that table.
5962 (symbol_destructor_get, symbol_destructor_location_get,
5963 symbol_printer_get, symbol_printer_location_get): If there's no
5964 per-symbol %destructor/%printer, look up the per-type before trying
5966 * tests/actions.at (Per-type %printer and %destructor): New test case.
5967 * tests/input.at (Default %printer and %destructor redeclared):
5968 Extend to check that multiple occurrences of %symbol-default in a
5969 single %destructor/%printer declaration is an error.
5970 (Per-type %printer and %destructor redeclared, Unused values with
5971 per-type %destructor): New test cases.
5973 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
5975 Require default %destructor/%printer to be declared using
5976 %symbol-default instead of an empty symbol list, and start working on
5977 new per-type %destructor/%printer. Discussed at
5978 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
5979 * NEWS (2.3+): Add %symbol-default to example.
5980 * bison.texinfo (Freeing Discarded Symbols): Likewise.
5981 (Table of Symbols): Add entry for %symbol-default.
5982 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
5983 (generic_symlist, generic_symlist_item): New nonterminals for creating
5984 a list in which each item is a symbol, semantic type, or
5986 (grammar_declaration): Use generic_symlist in %destructor and %printer
5987 declarations instead of symbols.1 or an empty list.
5988 (symbol_declaration, precedence_declaration, symbols.1): Update actions
5989 for changes to symbol_list.
5990 * src/reader.c: Update for changes to symbol_list.
5991 * src/scan-code.l: Likewise.
5992 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
5993 * src/symlist.c, src/symlist.h: Extend such that a list node may
5994 represent a semantic type or a %symbol-default in addition to just an
5995 ordinary symbol. Add switched functions for setting %destructor's and
5997 * tests/actions.at, tests/input.at: Add %symbol-default to all default
5998 %destructor/%printer declarations.
6000 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
6002 Whether the default %destructor/%printer applies to a particular symbol
6003 isn't a question of whether the user *declares* that symbol (in %token,
6004 for example). It's a question of whether the user by any means
6005 *defines* the symbol at all (by simply using a char token, for
6006 example). $end is defined by Bison whereas any other token with token
6007 number 0 is defined by the user. The error token is always defined by
6008 Bison regardless of whether the user declares it with %token, but we
6009 may one day let the user define error as a nonterminal instead.
6010 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
6011 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
6012 the meaning of "user-defined".
6013 * tests/actions.at (Default %printer and %destructor for user-declared
6014 end token): Rename to...
6015 (Default %printer and %destructor for user-defined end token): ...
6018 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
6019 computation of whether to apply the default, don't maintain a list of
6020 every Bison-defined symbol. Instead, just check for a first character
6021 of '$', which a user symbol cannot have, and check for the error token.
6023 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
6025 Don't apply the default %destructor or %printer to the error token,
6026 $undefined, or $accept. This change fits the general rule that the
6027 default %destructor and %printer are only for user-declared symbols,
6028 and it solves several difficulties that are described in the new test
6030 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
6031 * tests/actions.at (Default %printer and %destructor are not for error
6032 or $undefined, Default %printer and %destructor are not for $accept):
6035 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
6037 Allow %start after the first rule.
6038 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
6039 when parsing the first rule.
6040 (check_and_convert_grammar): Search for it here after all grammar
6041 declarations have been parsed. Skip midrules, which have dummy LHS
6043 * src/symtab.c (symbol_is_dummy): New function.
6044 * src/symtab.h (symbol_is_dummy): Declare it.
6045 * tests/input.at (%start after first rule): New test.
6047 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
6049 Redo some of the previous commit: add back the ability to use
6050 non-aliased/undeclared string literals since it might be useful to
6051 those declaring %token-table.
6052 * src/reader.c (check_and_convert_grammar): Undo changes in previous
6053 commit: don't worry about complaints from symbols_pack.
6054 * src/symtab.c (symbol_new, symbol_class_set,
6055 symbol_check_alias_consistency): Undo changes in previous commit: count
6056 each string literal as a new symbol and token, assign it a symbol
6057 number, and don't complain about non-aliased string literals.
6058 (symbols_pack): Since symbol_make_alias still does not decrement symbol
6059 and token counts but does still set aliased tokens to the same number,
6060 symbol_pack_processor now leaves empty slots in the symbols array.
6062 * tests/regression.at (Undeclared string literal): Remove test case
6063 added in previous commit since non-aliased string literals are allowed
6065 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
6066 remove unnecessary string literal declarations.
6067 * tests/sets.at (Firsts): Likewise.
6069 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
6071 Don't allow an undeclared string literal, but allow a string literal to
6072 be used before its declaration.
6073 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
6074 symbols_pack complained.
6075 * src/symtab.c (symbol_new): Don't count a string literal as a new
6077 (symbol_class_set): Don't count a string literal as a new token, and
6078 don't assign it a symbol number since symbol_make_alias does that.
6079 (symbol_make_alias): It's not necessary to decrement the symbol and
6080 token counts anymore. Don't assume that an alias declaration occurs
6081 before any uses of the identifier or string, and thus don't assert that
6082 one of them has the highest symbol number so far.
6083 (symbol_check_alias_consistency): Complain if there's a string literal
6084 that wasn't declared as an alias.
6085 (symbols_pack): Bail if symbol_check_alias_consistency failed since
6086 symbol_pack asserts that every token has been assigned a symbol number
6087 although undeclared string literals have not.
6088 * tests/regression.at (String alias declared after use, Undeclared
6089 string literal): New test cases.
6090 (Characters Escapes, Web2c Actions): Declare string literals as
6092 * tests/sets.at (Firsts): Likewise.
6094 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
6096 In the grammar scanner, STRING_FINISH unclosed constructs and return
6097 them to the parser in order to improve error messages.
6098 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
6099 SC_BRACED_CODE, SC_PROLOGUE): Implement.
6100 * tests/input.at (Unclosed constructs): New test case.
6101 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
6104 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
6107 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
6109 Handle string aliases for character tokens correctly.
6110 * src/symtab.c (symbol_user_token_number_set): If the token has an
6111 alias, check and set its alias's user token number instead of its own,
6112 which is set to indicate the alias. Previously, every occurrence of
6113 the character token in the grammar overwrote that alias indicator with
6115 * tests/input.at (String aliases for character tokens): New test.
6117 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
6119 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
6121 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
6123 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
6124 to prevent failures when building on older platforms.
6125 Check for autopoint failure.
6126 Set XGETTEXT_OPTIONS to values that check for C format strings,
6127 so that translators are warned about them (this also helps
6128 prevent core dumps).
6130 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
6131 function, since it simplifies our code a bit.
6133 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
6134 rather than -W, so we don't get bogus warnings about sign comparisons.
6135 Add -Wpointer-arith, since that warning is useful (it reports code
6136 that does not conform to C89 and that some compilers reject).
6137 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
6138 since it's no longer needed.
6140 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
6142 Clean up scanners a bit.
6143 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
6144 definitions so gcc won't warn when obstack_for_string is unused.
6145 * src/scan-code.l: config.h and system.h are already #include'd by
6146 scan-code-c.c, so get rid of them here.
6147 * src/scan-gram.l: Likewise.
6148 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
6149 definitions rather than duplicating the rest of it.
6150 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
6152 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
6154 Suppress signed/unsigned comparison warnings for yycheck.
6155 * data/c.m4 (b4_safest_int_type): New macro.
6156 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
6157 a signed int type, cast it to b4_safest_int_type first.
6158 * data/yacc.c: Likewise.
6159 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
6162 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
6164 * doc/bison.texinfo: Fix some typos.
6166 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
6168 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
6169 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
6171 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
6172 the latest gnulib does this a different way.
6173 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
6174 translation was patched, so stop omitting it.
6176 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6178 Enable declaration of default %printer/%destructor. Make the parser
6179 use these for all user-declared grammar symbols for which the user does
6180 not declare a specific %printer/%destructor. Thus, the parser uses it
6181 for token 0 if the user declares it but not if Bison generates it as
6182 $end. Discussed starting at
6183 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
6184 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
6186 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
6187 * NEWS (2.3+): Mention.
6188 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
6189 declare a %destructor for a mid-rule's semantic value. It's just
6190 impossible to declare one specific to it.
6191 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
6192 code. Describe default %destructor form.
6193 * src/parse-gram.y (grammar_declaration): Parse default
6194 %printer/%destructor declarations.
6195 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
6196 and symbol_destructor_location_get rather than accessing the destructor
6197 and destructor_location members of struct symbol.
6198 (symbol_printers_output): Likewise but for %printer's.
6199 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
6201 * src/symtab.c (default_destructor, default_destructor_location,
6202 default_printer, default_printer_location): New static global
6203 variables to record the default %destructor and %printer.
6204 (symbol_destructor_get, symbol_destructor_location_get,
6205 symbol_printer_get, symbol_printer_location_get): New functions to
6206 compute the appropriate %destructor and %printer for a symbol.
6207 (default_destructor_set, default_printer_set): New functions to set the
6208 default %destructor and %printer.
6209 * src/symtab.h: Prototype all those new functions.
6210 * tests/actions.at (Default %printer and %destructor): New test to
6211 check that the right %printer and %destructor are called, that they're
6212 not called for $end, and that $$ and @$ work correctly.
6213 (Default %printer and %destructor for user-declared end token): New
6214 test to check that the default %printer and %destructor are called for
6215 a user-declared end token.
6216 * tests/input.at (Default %printer and %destructor redeclared, Unused
6217 values with default %destructor): New tests to check related grammar
6218 warnings and errors.
6220 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6222 Clean up handling of %destructor for the end token (token 0).
6223 Discussed starting at
6224 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
6226 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
6228 Make the skeletons consistent in how they pop the end token and invoke
6230 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
6231 state, which has token number 0, since this would invoke the
6232 %destructor for the end token.
6233 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
6234 until after shifting the end token, or else it won't be popped.
6235 * data/yacc.c (yyparse): Likewise.
6237 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
6238 it's the end token. Upon termination, destroy an unshifted lookahead
6239 even when it's the end token.
6240 * data/lalr1.cc (yy::parser::parse): Likewise.
6241 * data/yacc.c (yyparse): Likewise.
6243 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
6244 value warnings for the end token when the user gives the end token a
6247 * tests/actions.at (Printers and Destructors): Test all the above.
6249 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
6251 Update to latest gnulib and gettext versions.
6252 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
6254 (gnulib_files): Add m4/warning.m4. Don't worry about files
6255 overwritten by autopoint.
6256 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
6257 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
6259 Don't use autoreconf; instead, invoke autopoint etc. by hand,
6260 so that we can remove the intl files at a better time.
6261 (intl_files_to_remove): Remove aclocal.m4, since it gets
6262 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
6263 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
6264 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
6265 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
6266 Remove datarootdir hack; no longer needed.
6267 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
6268 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
6269 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
6271 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
6272 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
6274 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
6276 * bootstrap: Adjust to today's change to gnulib-tool by invoking
6277 it with --assume-autoconf='latest-stable'.
6279 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
6281 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
6282 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
6284 * src/muscle_tab.h (muscle_grow): Replace the header comments with
6285 those from muscle_tab.c since the old ones are misleading.
6287 2006-07-13 Akim Demaille <akim@epita.fr>
6289 Support %define "KEY" {VALUE}.
6290 * src/scan-code.h, src/scan-code.l (translate_action)
6291 (translate_rule_action, translate_symbol_action, translate_code):
6292 Return char *, not const char *.
6293 * src/parse-gram.y (declaration): Rename as...
6294 (prologue_declaration): this.
6295 (string_content): Remove this nonterminal, use STRING.
6296 (braceless, content, content.opt): New nonterminal.
6298 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
6300 * src/scan-gram.l (getargs.h): Don't include it.
6302 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
6304 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
6305 rather than a for-loop that declares a local bool variable. This
6306 should work around a compatibility problem with a Cray x1e C++
6307 compiler reported by Hung Nguyen in
6308 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
6309 The for-loop was introduced in the 2004-11-17 change but I don't
6310 know why it was needed.
6312 2006-07-12 Akim Demaille <akim@epita.fr>
6314 * data/c.m4: Comment changes.
6316 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
6318 * src/complain.c (error_message, ERROR_MESSAGE): New.
6320 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
6321 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
6323 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
6325 * NEWS: Instead of %union, you can define and use your own union type
6326 YYSTYPE if your grammar contains at least one <type> tag.
6327 Your YYSTYPE need not be a macro; it can be a typedef.
6328 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
6329 (Union Decl, Decl Summary): Document this.
6330 * data/glr.c (YYSTYPE): Implement this.
6331 * data/glr.cc (YYSTYPE): Likewise.
6332 * data/lalr1.cc (YYSTYPE): Likewise.
6333 * data/yacc.c (YYSTYPE): Likewise.
6334 * src/output.c (prepare): Output tag_seen_flag.
6335 * src/parse-gram.y (declaration, grammar_declaration):
6336 Use 'union_seen' rather than 'typed' to determine whether
6337 %union has been seen, since grammars can now be typed without
6339 (symbol_declaration, type.opt, symbol_def):
6340 Keep track of whether a tag has been seen.
6341 * src/reader.c (union_seen, tag_seen): New vars.
6343 * src/reader.h (union_seen, tag_seen, typed): Likewise.
6344 * src/scan-code.l (untyped_var_seen): New variable.
6345 (handle_action_dollar): Adjust to above changes.
6346 (handle_action_dollar, handle_action_at):
6347 Improve overflow checking for outlandish numbers.
6348 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
6349 avoid new diagnostics generated by above changes.
6350 * tests/regression.at (YYSTYPE typedef): Add test to check
6351 for type tags without %union.
6353 * src/symlist.c (symbol_list_length): Return int, not unsigned
6354 int, since callers expect int. This may need to get revisited
6355 once we have proper integer overflow checking.
6357 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
6358 object is now static.
6360 * src/getargs.c (flags_argmatch): Return void, not int,
6361 to pacify ./configure --enable-gcc-warnings.
6363 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
6364 since last_string is already defined to FLEX_PREFIX (last_string).
6366 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
6368 Implement --warnings/-W.
6369 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
6371 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
6373 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
6374 (warnings_args, warnings_types): New.
6375 (getargs, short_options, long_options): Accept -W/--warnings.
6376 Sort the options by alphabetical order, upper case letter right
6377 before its lower case.
6379 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
6381 Change %merge result type clash warnings to errors. Discussed at
6382 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
6383 * src/reader.c (record_merge_function_type): Use complain_at.
6384 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6385 declared later): Update test case results.
6387 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
6389 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
6390 to be in alphabetical order.
6391 (trace_args): Spelling fixes.
6393 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
6395 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
6396 so they don't collide with user-defined macros.
6397 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
6398 this was never guaranteed, and now that we're using gnulib stdint,
6399 which defines int_fast16_t to long int, the problem is exposed.
6401 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
6403 * data/c.m4 (b4_basename): Simplify a bit, since we don't
6404 need the full POSIX semantics (and weren't implementing them
6407 Adjust to Autoconf 2.60 and today's gnulib.
6408 * bootstrap (gnulib_modules): Add stdint.
6409 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
6410 no longer copies it.
6411 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
6412 since stdint needs the former and wcwidth (which is now required
6413 by mbswidth) needs the latter.
6414 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
6415 work around a compatibility glitch between gettext 0.14.6 and
6417 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
6418 Do not check for uintptr_t, since new stdint module does the right
6420 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
6421 Add stdint.h, stdint_.h, wcwidth.h.
6422 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
6423 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
6424 stdint.m4, wchar_t.m4, wcwidth.m4.
6425 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
6426 usual order for ../lib/*.h files.
6427 (file_name_split): Use last_component, not base_name, to adjust
6429 * src/parse-gram.h: Include <strverscmp.h> in the usual order
6430 for ../lib/*.h files.
6431 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
6432 Define unconditionally, since we now assume the stdint module.
6433 * src/scan-skel.l: Include <dirname.h>.
6434 (BASE_QPUTS): Use last_component, not base_name.
6435 * src/system.h: Include <unlocked-io.h> in the usual order
6436 for ../lib/*.h files. Include <stdint.h> unconditionally,
6437 since we now use the stdint module.
6438 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
6439 HAVE_UINTPTR_T, since we now use the stdint module.
6440 (base_name): Remove decl, since files now include <dirname.h>
6443 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
6445 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
6447 * data/yacc.c, data/glr.c, data/location.cc: Use them.
6448 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
6450 * tests/calc.at: Adjust.
6452 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
6454 * data/c.m4 (b4_basename): New.
6455 (b4_syncline): Also output the location of its invocation (from
6457 (b4_user_action, b4_define_user_action, b4_user_actions)
6458 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
6459 (b4_user_stype): New.
6460 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
6462 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
6464 In the grammar file, the first column is 1 not 0 on the first line as
6465 on every other line.
6466 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
6467 * tests/input.at (Torturing the Scanner): Update output.
6469 * src/scan-gram.l (scanner_cursor): Declare it static.
6471 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
6473 In warnings, say "previous declaration" rather than "first
6475 * src/symtab.c (redeclaration): Do that here.
6476 * src/reader.c (record_merge_function_type): In the case of a result
6477 type clash, report the previous declaration rather than the very first
6478 one in the grammar file.
6479 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6480 declared later): Add a third declaration to check this behavior.
6481 * tests/input.at (Incompatible Aliases): Update output.
6483 2006-06-27 Akim Demaille <akim@epita.fr>
6485 * doc/Doxyfile.in: New.
6486 * doc/Makefile.am: Use it.
6487 * src/lalr.h, src/symtab.h: Initial doxygenation.
6489 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6491 Don't miss %merge result type warnings just because the LHS types are
6492 declared after the %merge. This continues the effort of the previous
6494 * src/reader.c (get_merge_function): Don't set the merger type yet.
6495 (record_merge_function_type): New function for setting the merger type
6496 and checking for clashes.
6497 (grammar_current_rule_merge_set): Set the location of the %merge for
6499 (packgram): Invoke record_merge_function_type for each rule now that
6500 all symbol type declarations have been parsed.
6501 * src/reader.h (merger_list.type_declaration_location): New member
6502 storing the location of the first %merge from which the type for this
6503 merging function was derived.
6504 * src/symlist.h (symbol_list.merger_declaration_location): New member
6505 storing the location of a rule's %merge, if any.
6506 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6507 declared later): New test to catch the error fixed by the above patch.
6509 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6511 Get action warnings (grammar_rule_check) right even when symbol
6512 declarations appear after the rules. Discussed at
6513 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
6515 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
6516 Don't mistake the type of $$ in a midrule to be that of its parent
6518 * src/reader.c (grammar_current_rule_end): Don't invoke
6519 grammar_rule_check yet since not all symbol declarations may have been
6521 (grammar_midrule_action): Likewise.
6522 Don't record whether the midrule's $$ has been used yet since actions
6523 haven't been translated yet.
6524 Record the midrule's parent rule and its RHS index within the parent
6526 (grammar_current_rule_action_append): Don't translate the action yet
6527 since not all symbol declarations may have been parsed yet and, thus,
6528 warnings about types for $$, $n, @$, and @n can't be reported yet.
6529 (packgram): Translate the action and invoke grammar_rule_check now that
6530 all symbol declarations have been parsed.
6531 * src/scan-code.l (handle_action_dollar): Now that this is invoked
6532 after parsing the entire grammar file, the symbol list here in the case
6533 of a midrule is actually the midrule's empty RHS, so reference its
6534 parent rule's RHS where necessary.
6535 On the other hand, now that you can already know it's a midrule, you
6536 aren't forced to think $$ has the same type as its parent rule's $$.
6537 (handle_action_at): In the case of a midrule, reference the parent rule
6539 * src/symlist.c (symbol_list_new): Initialize new midrule-related
6541 (symbol_list_length): Now that this is invoked after all rules have
6542 been parsed, a NULL symbol (rather than a NULL symbol list node)
6543 terminates a rule. symbol_list_print already does this correctly.
6544 * src/symlist.h (symbol_list.midrule_parent_rule,
6545 symbol_list.midrule_parent_rhs_index): New members so that midrules can
6546 remember their relationships with their parents.
6547 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
6548 fixed by the above patch.
6549 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
6551 (Unused values): ... this old test case and...
6552 (Unused values before symbol declarations): ... this new test case.
6553 This one is the same as `Unused values' except that all symbol
6554 declarations appear after the rules in order to catch the rest of the
6555 errors fixed by the above patch.
6557 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6560 * src/reader.c (current_rule): Declare it static since it's no longer
6561 used outside this file.
6562 (grammar_current_rule_action_append): Remove redundant arguments from
6563 translate_rule_action invocation.
6564 * src/reader.h (current_rule): Remove this unused extern.
6565 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
6566 * src/scan-code.l (translate_rule_action): Likewise.
6568 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
6570 Clean up yesterday's patch.
6571 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
6573 * src/reader.c (grammar_current_rule_action_append): ... here for
6574 consistency with grammar_current_rule_symbol_append.
6575 * tests/regression.at (Braced code in declaration in rules section):
6576 Make yyerror and yylex static as usual.
6578 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
6580 Fix bug that mistakes braced code in a declaration in the rules section
6581 to be a rule action. Mentioned at
6582 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
6583 * src/scan-gram.l: Move midrule action detection from the start of the
6584 scanning of any braced code to...
6585 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
6586 action. For readability, use $2 and @2 rather than the equivalent
6588 * tests/regression.at (Braced code in declaration in rules section):
6589 New test to catch the error fixed by the above patch.
6591 Work on code readability some.
6592 * src/scan-code.l (current_rule): Get rid of this misleading and
6593 redundant declaration: it's actually extern'ed in reader.h.
6594 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
6595 translate_action): Add a rule argument and use it instead of the global
6597 (translate_rule_action): This already receives current_rule through an
6598 argument, so pass it on to translate_action instead of assigning
6599 current_rule to current_rule.
6600 (translate_symbol_action, translate_code): Pass rule = NULL to
6603 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
6605 Rename %before-definitions to %start-header and %after-definitions to
6606 %end-header. Don't use these declarations to separate pre-prologue
6607 blocks from post-prologue blocks. Add new order-independent
6608 declarations %before-header and %after-header as alternatives to the
6609 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
6610 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
6611 * NEWS (2.3+): Update for these changes.
6612 * data/glr.c (b4_before_definitions): Update to...
6613 (b4_start_header): ... this.
6614 (b4_after_definitions): Update to...
6615 (b4_end_header): ... this.
6616 * data/glr.cc: Likewise.
6617 * data/lalr1.cc: Likewise.
6618 * data/yacc.c: Likewise.
6619 * doc/bison.texinfo (The prologue): Update names, and replace remaining
6620 prologue blocks with %*-header declarations.
6621 (Calc++ Parser): Likewise.
6622 (Decl Summary): Update names.
6623 (Table of Symbols): Update description.
6624 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
6625 (PERCENT_END_HEADER): ... this.
6626 (PERCENT_BEFORE_DEFINITIONS): Update to...
6627 (PERCENT_START_HEADER): ... this.
6628 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6629 (declaration): Update token names and m4 macro names.
6630 When parsing %end-header and %start-header, invoke translate_code
6631 before muscle_code_grow, and no longer set global booleans to remember
6632 whether these declarations have been seen.
6633 Parse new %after-header and %before-header.
6634 * src/reader.c (before_definitions, after_definitions): Remove.
6635 (prologue_augment): Accept a new bool argument to specify whether to
6636 augment the pre-prologue or post-prologue.
6637 * src/reader.h (before_definitions, after_definitions): Remove these
6639 (prologue_augment): Add new bool argument.
6640 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
6641 (PERCENT_END_HEADER): ... this.
6642 (PERCENT_BEFORE_DEFINITIONS): Update to...
6643 (PERCENT_START_HEADER): ... this.
6644 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6645 * tests/actions.at (Printers and Destructors): Update names.
6647 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
6649 Add comparison operators for C++ location classes. Discussed at
6650 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
6651 * data/c++.m4 (b4_define_location_comparison): New boolean %define
6652 declaration indicating whether filename_type has an operator==. If
6653 filename_type is `std::string', it defaults to `1', `0' otherwise.
6654 * data/location.cc: Iff b4_define_location_comparison is `1', add
6655 operator== and operator!= for class position and for class location.
6658 * src/scan-action.l: Remove unused file.
6659 * src/symtab.c (symbol_printer_set): Use printer_location not
6660 destructor_location.
6661 * src/symtab.h (struct symbol): Replace incorrect source comment for
6663 * tests/input.at (Incompatible Aliases): Update output with correct
6666 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
6668 Don't put the pre-prologue in the header file. For the yacc.c code
6669 file and the glr.c header and code files, move the pre-prologue before
6670 the token definitions. Add new %before-definitions and
6671 %after-definitions to declare code that will go in both the header file
6672 and code file. Discussed at
6673 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
6674 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
6676 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
6677 * NEWS (2.3+): Describe these changes.
6678 * data/glr.c (b4_pre_prologue): Move from within to before...
6679 (b4_shared_declarations): ... this.
6680 Add new b4_before_definitions before b4_token_enums.
6681 Add new b4_after_definitions at the end.
6682 * data/glr.cc (b4_pre_prologue): Replace with...
6683 (b4_before_definitions): ... this in the header file.
6684 (b4_after_definitions): New near the end of the header file.
6685 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
6686 code file right before including the header file.
6687 (b4_before_definitions): New in the previous position of
6688 b4_pre_prologue in the header file.
6689 (b4_after_definitions): New near the end of the header file.
6690 * data/yacc.c: Clean up some m4 quoting especially in the header file.
6691 (b4_token_enums_defines): In the code file, move to right before
6692 YYSTYPE for consistency with the header file.
6693 (b4_before_definitions): New right before b4_token_enums_defines in
6694 both the header and code file.
6695 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
6696 header and code file.
6697 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
6698 of prologues for %union dependencies.
6699 (Decl Summary): In %defines description, mention the effect of
6700 %before-definitions and %after-definitions on the header file.
6701 (Calc++ Parser): Forward declare driver in a %before-definitions rather
6702 than in the pre-prologue so that make check succeeds.
6703 (Table of Symbols): Add entries for %before-definitions and
6705 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
6706 %before-definitions.
6707 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
6708 (declaration): Parse those declarations and append to
6709 b4_before_definitions and b4_after_definitions, respectively.
6710 * src/reader.c (before_definitions, after_definitions): New bools to
6711 track whether those declarations have been seen.
6712 (prologue_augment): Add to the post-prologue if %union,
6713 %before-definitions, or %after-definitions has been seen.
6714 * src/reader.h (before_definitions, after_definitions): New extern's.
6715 * src/scan-gram.l: Scan the new declarations.
6716 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
6717 prologue block in a %before-definitions or a %after-definitions based
6718 on whether the %union is declared.
6719 * tests/regression.at (Early token definitions with --yacc, Early token
6720 definitions without --yacc): Move tests for token definitions into the
6721 post-prologue since token names are no longer defined in the
6724 2006-06-20 Akim Demaille <akim@epita.fr>
6726 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
6727 (symbol_get): Use it.
6728 * src/parse-gram.y: Use it.
6730 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
6732 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
6733 build succeeds when configured with --enable-gcc-warnings.
6735 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
6737 * src/parse-gram.y (char_name): New function.
6738 (CHAR, STRING, string_content): For %printer, properly escape.
6739 (ID): Prefer fputs to fprintf.
6740 (id): Reindent to be consistent with other rules.
6741 Properly quote char.
6743 The Translation Project changed its way of publishing translations
6744 to maintainers. I haven't received any responses to my request
6745 for supporting the old way, or for documenting the new way. I
6746 have modified 'bootstrap' to use screen scraping
6747 (in this case, HTML scraping). This is unreliable and inelegant,
6748 but I don't see any better way. Yuck.
6749 * bootstrap (TP_URL, WGET_COMMAND): New vars.
6750 (get_translations): New function, which uses HTML scraping to
6751 deduce locations of latest translations.
6752 Use this function to grab both bison and bison-runtime .po files.
6753 Don't bother priming the pump for the runtime-po domain any more,
6754 as it's now translated better than bison is.
6756 2006-06-19 Akim Demaille <akim@epita.fr>
6758 * src/scan-gram.l: No longer "parse" things after `%union' until
6759 `{'. Rather, return a single "%union" token.
6760 No longer make symbols: return strings, and leave the conversion
6761 to symbols to the parser.
6762 (SC_PRE_CODE, token_type): Remove.
6763 * src/parse-gram.y (%union): New field `character'.
6766 (ID, ID_COLON): Now that the scanner no longer makes them
6767 identifiers, adjust all uses to invoke symbol_get.
6768 (id_colon): New, wraps the conversion from string to symbol.
6769 (%union): Accept a possible union_name.
6770 (symbol): Now can be a char.
6771 * data/c.m4 (b4_union_name): Leave a default value.
6772 * data/glr.c, data/yacc.c: Use it.
6774 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
6776 For associating token numbers with token names for "yacc.c", don't use
6777 #define statements unless `--yacc' is specified; always use enum
6778 yytokentype. Most important discussions start at:
6779 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
6780 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
6782 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
6783 * NEWS (2.3+): Mention.
6784 * data/c.m4 (b4_yacc_if): New.
6785 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
6787 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
6788 on token name definitions.
6789 * src/getargs.c (usage): Capitalize `Yacc' in English.
6790 * src/output.c (prepare): Define b4_yacc_flag.
6791 * tests/regression.at (Early token definitions): Test that tokens names
6792 are defined before the pre-prologue not just before the post-prologue.
6793 Remove this test case and copy to...
6794 (Early token definitions with --yacc): ... this to test #define's.
6795 (Early token definitions without --yacc): ... and this to test enums.
6797 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
6799 * NEWS: Reword the post-2.3 change to not be so optimistic about
6800 removing the old "look-ahead" spelling.
6801 Update previous look-ahead/lookahead change reports.
6802 * REFERENCES: look-ahead -> lookahead (since that's
6803 what he actually wrote).
6804 * doc/refcard.tex: look ahead -> lookahead,
6805 look-ahead -> lookahead
6807 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
6809 For consistency, use `lookahead' instead of `look-ahead' or
6810 `look_ahead'. Discussed starting at
6811 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
6813 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
6814 * NEWS: For the next release, note the change to `--report'.
6815 * TODO, doc/bison.1: Update English.
6816 * doc/bison.texinfo: Update English.
6817 (Understanding Your Parser, Bison Options): Document as
6818 `--report=lookahead' rather than `--report=look-ahead'.
6819 * src/conflicts.c: Update English in comments.
6820 (lookahead_set): Rename from look_ahead_set.
6821 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
6822 (resolve_sr_conflict): Rename local look_ahead_tokens to
6823 lookahead_tokens, and update other uses.
6824 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
6825 count_rr_conflicts, conflicts_free): Update uses.
6826 * src/getargs.c (report_args): Move "lookahead" before alternate
6828 (report_types): Update uses.
6829 (usage): For `--report' usage description, state `lookahead' spelling
6830 rather than `look-ahead'.
6831 * src/getargs.h (report.report_lookahead_tokens): Rename from
6832 report_look_ahead_tokens.
6833 * src/lalr.c: Update English in comments.
6834 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
6835 (state_lookahead_tokens_count): Rename from
6836 state_look_ahead_tokens_count.
6837 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6838 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
6839 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6841 Update English in output.
6842 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
6843 * src/print.c: Update English in comments.
6844 (lookahead_set): Rename from look_ahead_set.
6845 (print_reduction): Rename argument lookahead_token from
6847 (print_core, state_default_rule, print_reductions, print_results):
6849 * src/print_graph.c: Update English in comments.
6850 (print_core): Update uses.
6851 * src/state.c: Update English in comments.
6852 (reductions_new): Update uses.
6853 (state_rule_lookahead_tokens_print): Rename from
6854 state_rule_look_ahead_tokens_print, and update other uses.
6855 * src/state.h: Update English in comments.
6856 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
6857 (state_rule_lookahead_tokens_print): Rename from
6858 state_rule_look_ahead_tokens_print.
6859 * src/tables.c: Update English in comments.
6860 (conflict_row, action_row): Update uses.
6861 * tests/glr-regression.at
6862 (Incorrect lookahead during deterministic GLR,
6863 Incorrect lookahead during nondeterministic GLR): Rename
6864 print_look_ahead to print_lookahead.
6865 * tests/torture.at: Update English in comments.
6866 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
6867 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
6868 (Many lookahead tokens): Update uses.
6869 * data/glr.c: Update English in comments.
6870 * lalr1.cc: Likewise.
6872 * src/conflicts.h: Likewise.
6873 * src/lalr.h: Likewise.
6874 * src/main.c: Likewise.
6875 * src/output.c: Likewise.
6876 * src/parse-gram.c: Likewise.
6877 * src/tables.h: Likewise.
6878 * tests/calc.at: Likewise.
6880 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
6882 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
6884 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
6886 * TODO: Add request from Nelson H. F. Beebe to be able to install
6887 Bison without installing the yacc script.
6889 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6891 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
6892 and yytext if they're already #define'd.
6893 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
6894 * src/scan-code-c.c: ... here.
6895 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
6898 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6900 Get Bison to build again when configured with --enable-gcc-warnings.
6901 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
6903 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
6904 loc argument as it shadows a global.
6905 * src/scan-gram.l: Remove stray comma that prevents boundary_set
6908 * src/.cvsignore: Add scan-code.c.
6910 2006-06-07 Akim Demaille <akim@epita.fr>
6912 * src/scan-gram.l: Move the "add a trailing ; to actions" code
6914 * src/scan-code.l: here.
6915 * tests/input.at (Torturing the Scanner): Fix another location
6918 2006-06-07 Akim Demaille <akim@epita.fr>
6920 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
6922 2006-06-06 Akim Demaille <akim@epita.fr>
6924 Extract the parsing of user actions from the grammar scanner.
6925 As a consequence, the relation between the grammar scanner and
6926 parser is much simpler. We can also split "composite tokens" back
6928 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
6929 * src/scan-gram.l (add_column_width, adjust_location): Move to and
6931 * src/location.h, src/location.c (add_column_width)
6932 (location_compute): these.
6933 Fix the column count: the initial column is 0.
6934 (location_print): Be robust to ending column being 0.
6935 * src/location.h (boundary_set): New.
6936 * src/main.c: Adjust to scanner_free being renamed as
6938 * src/output.c: Include scan-code.h.
6939 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
6941 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
6942 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
6943 which is now, again, a separate token.
6944 Adjust all dependencies.
6945 Whereever actions with $ and @ are used, use translate_code.
6946 (action): Remove this nonterminal which is now useless.
6947 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
6948 (grammar_current_rule_action_append): Use translate_code.
6949 (packgram): Bound check ruleno, itemno, and rule_length.
6950 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
6951 (last_string, last_braced_code_loc, max_left_semantic_context)
6952 (scanner_initialize, scanner_free, scanner_last_string_free)
6953 (gram_out, gram_lineno, YY_DECL_): Move to...
6954 * src/scan-gram.h: this new file.
6955 (YY_DECL): Rename as...
6957 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
6958 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
6959 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
6960 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
6961 Move these declarations, and...
6962 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
6964 * src/flex-scanner.h: this new file.
6965 * src/scan-gram.l (rule_length, rule_length_overflow)
6966 (increment_rule_length): Remove.
6967 (last_braced_code_loc): Rename as...
6968 (gram_last_braced_code_loc): this.
6969 Adjust to the changes of the parser.
6970 Move all the handling of $ and @ into...
6971 * src/scan-code.l: here.
6972 * src/scan-gram.l (handle_dollar, handle_at): Remove.
6973 (handle_action_dollar, handle_action_at): Move to...
6974 * src/scan-code.l: here.
6975 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
6976 scan-code.h, scan-code-c.c, scan-gram.h.
6977 (EXTRA_bison_SOURCES): Add scan-code.l.
6978 (BUILT_SOURCES): Add scan-code.c.
6979 (yacc): Be robust to white spaces.
6981 * tests/conflicts.at, tests/input.at, tests/reduce.at,
6982 * tests/regression.at: Adjust the column numbers.
6983 * tests/regression.at: Adjust the error message.
6985 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
6987 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
6988 Use Akim's wording from
6989 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
6991 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
6993 Between Bison releases, manually append `+' to the previous Bison
6994 release number, and use that as a signal to automatically print the
6995 ChangeLog's CVS Id keyword from --version. Discussed starting at
6996 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
6997 * ChangeLog: Add Id header.
6998 * configure.ac (AC_INIT): Append `+' to `2.3'.
6999 * src/.cvsignore: Add revision.c.
7000 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
7001 (BUILT_SOURCES): Add revision.c.
7002 (revision.c): New target rule. This file defines a new global variable
7003 named revision. It initializes it with either the Id from ChangeLog
7004 or, if VERSION doesn't contain `+', with the empty string.
7005 * src/getargs.c (version): Print the value of revision.
7006 * src/revision.h: Extern revision.
7008 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
7010 * NEWS: Version 2.3.
7011 * configure.ac (AC_INIT): Likewise.
7013 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
7015 * data/glr.c (YYRECOVERING): Define to be a function-like macro
7016 with no arguments, not as an object-like macro. This is for
7017 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
7018 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
7019 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
7022 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
7024 * src/getargs.c (usage): Back out yesterday's modification of the
7025 --help output so that we don't have to wait for translation before
7028 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
7030 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
7031 Problem reported by Akim Demaille.
7033 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
7035 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
7037 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
7039 * data/yacc.c (yy_reduce_print): Omit trailing white space in
7040 generated source code. Problem reported by Frans Englich in
7041 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
7043 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
7045 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
7046 shell, not within 'make', so that 'make' by an ordinary builder
7047 (using GNU make) does not worry about configuring gzip. This also
7048 works around a bug reported independently by Keith Thompson and by
7049 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
7050 stderr rather than stdout, messing up the build logs.
7052 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
7054 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
7055 to make sure that YYID will never be unused. This fixes a 'make
7056 maintainer-check' failure caused by the recent changes to the 'Trivial
7057 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
7059 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
7061 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
7063 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
7064 state before an empty RHS is always resolved here. Only the location
7065 of that state is guaranteed to be resolved, and that's enough. This
7066 fixes the remaining bug reported by Derek M. Jones in
7067 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
7068 * tests/glr-regression.at (Uninitialized location when reporting
7069 ambiguity): Test the above case.
7070 Also, the embedded comments in this test case claim it checks the case
7071 of an empty RHS that has inherited the initial location. However, the
7072 corresponding LHS was already resolved, so yyresolveLocations didn't
7073 actually have reason to modify it. Fix this by forcing
7074 nondeterministic operation at the beginning of the parse.
7076 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
7078 * data/c.m4 (b4_yy_symbol_print_generate):
7079 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
7080 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
7081 of the bugs reported today by Derek M Jones in
7082 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
7083 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
7084 defined to be a type name without parens or brackets.
7085 (Location Type): Similarly for YYLTYPE.
7086 * tests/regression.at (Trivial grammars): Put in a test for this
7087 bug that will be caught by 'make maintainer-check' (though not,
7088 alas, by 'make check' unless your compiler is picky).
7090 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
7092 * NEWS: Version 2.2.
7093 * configure.ac (AC_INIT): Likewise.
7095 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
7097 * data/glr.c (yyreportTree): Make room in yystates for the state
7098 preceding the RHS. This fixes the segmentation fault reported by Derek
7100 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
7101 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
7102 to the user. Reported for yyreportTree by Derek M. Jones later in the
7104 * THANKS: Add Derek M. Jones.
7105 Update my email address.
7106 Fix typo in Steve Murphy's name.
7108 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
7110 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
7111 checking against YYLAST that caused the parser to miss a potential
7112 alternative in its diagnostic.
7113 Problem reported by Maria Jose Moron Fernandez in
7114 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
7115 * data/lalr1.cc (yysyntax_error_): Likewise.
7116 * data/yacc.c (yysyntax_error): Likewise.
7117 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
7118 tokens, in case we run into an older C compiler.
7119 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
7120 Use them to check for the off-by-one error fixed above.
7122 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
7123 YYSIZE_T, not size_t.
7124 * tests/regression.at (Trivial grammars): New test, to catch
7125 the error fixed by the above patch.
7127 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7129 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
7131 Reported by Steve Murphy.
7133 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7135 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
7136 * data/glr.cc: b4_location_flag is now b4_locations_flag.
7138 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7140 Implement --trace=m4.
7141 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
7142 * src/output.c (output_skeleton): When set, pass -dV to m4.
7144 Factor the handling of flags in m4.
7145 * src/output.c (prepare): Rename the muscle names debug, defines,
7146 error_verbose to debug_flag, defines_flag, error_verbose_flag.
7147 * data/c.m4: Adjust.
7148 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
7149 Use b4_define_flag_if to define other b4_FLAG_if macros.
7150 (b4_location_if): As a consequence, rename as...
7151 (b4_locations_if): this, for consistency.
7152 Adjust all the skeletons.
7154 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7156 * etc/bench.pm: Shorten bench names.
7158 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7160 * src/output.h, src/output.c (error_verbose): Move to...
7161 * src/getargs.h, src/getargs.c: here.
7163 Adjust dependencies.
7165 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
7167 * data/c.m4 (b4_copyright): Put the special exception for Bison
7168 skeletons here, so we don't have to put it in each skeleton. All
7169 uses changed. Suggested by Akim Demaille. Also, wrap the
7170 copyright notice, in case it is longer than 80 columns. Replace
7171 comma by newline after title.
7173 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
7175 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
7176 incompatibility, not a bug. Mention that it wasn't fixed as of
7179 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7181 * examples/extexi: Enforce the precedence of concatenation over
7183 Reported by Tommy Nordgren.
7185 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7187 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
7188 with the member "token".
7189 Reported by Martin Nylin.
7191 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
7193 * data/glr.c: Switch to Bison 2.2 special-exception language in
7194 the copyright notice. Use more-regular format for titles and
7196 * data/glr.cc: Likewise.
7197 * data/location.cc: Likewise.
7198 * data/yacc.cc: Likewise.
7199 * doc/bison.texinfo (Conditions): Document this.
7200 * NEWS: likewise. Upgrade version to 2.2.
7202 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
7204 * data/glr.cc: Remove dead code.
7206 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
7208 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
7209 that variable and the line breaks the bootstrap. Problem reported
7210 by Juan M. Guerrero.
7212 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7214 * doc/bison.texinfo (Multiple start-symbols): New.
7216 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7218 * etc/README, etc/bench.pl: New.
7220 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
7222 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
7224 Reported by Mickael Labau.
7225 * tests/input.at (Torturing the Scanner): Test it.
7227 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
7229 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
7230 Problem reported by Bob Rossi.
7232 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
7234 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
7235 and didn't really work.
7236 For the index, use @ifnotinfo, not @iftex.
7237 Minor cleanups of spacing and terminology.
7239 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7241 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
7242 of AT_NAME_PREFIX when %name-prefix is not used.
7244 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7246 Apply --prefix to C++ skeletons too: they change the namespace.
7247 The test suite already exercize these cases.
7248 * data/c++.m4 (b4_namespace): New.
7249 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
7250 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
7251 * data/yacc.c, data/glr.c: Remove a useless `[]'.
7252 * doc/bison.texinfo: Document it.
7253 (Option Cross Key): Use @multitable in all formats. It looks
7254 nicer, even in TeX outputs.
7255 (Rules): Use the same code whatever the output type is.
7256 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
7257 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
7258 * tests/calc.at: Use it, instead of hard coding `yy'.
7260 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7262 * TODO: Remove dead items.
7264 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7266 * doc/FAQ: Remove, merged into...
7267 * doc/bison.texinfo (FAQ): this.
7268 * doc/Makefile.am (EXTRA_DIST): Adjust.
7270 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7272 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
7274 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
7275 * doc/bison.texinfo (Calc++ Scanner): Use it.
7277 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
7279 Fix two nits reported by twlevo, plus one more that I discovered.
7281 * src/assoc.h (assoc_to_string): Give a name to the arg, as
7282 this is the usual Bison style.
7283 * src/location.h (location_print): Likewise.
7285 * src/reader.h (token_name): Likewise.
7287 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
7289 Fix some nits reported by twlevo.
7290 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
7291 and "POSIX". Use more-modern syntax for URLs. Mention C++
7292 and ask for Java. Don't hardwire OS version numbers. Add
7294 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
7295 * src/conflicts.c (solved_conflicts_obstack): Now static.
7297 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
7299 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
7300 page. Say "you can use it" not "you may use it" as on the web page;
7301 we're describing capabilities not granting permission.
7303 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
7305 * data/glr.c (yyresolveLocations): Rename local variables to avoid
7306 shadowing warnings. Use usual patter for iterating through RHS.
7307 * tests/glr-regression.at
7308 (Uninitialized location when reporting ambiguity):
7309 Modify yylex so that it uses its argument, rather than trying
7310 to rely on ARGSUSED (which doesn't work for gcc with warnings).
7311 const char -> char const.
7313 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
7314 Don't use tabs inside commands; it messes up 'ps'.
7315 Problem reported by twlevo.
7317 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
7319 * tests/glr-regression.at (Uninitialized location when reporting
7320 ambiguity): New test case.
7321 * data/glr.c (yyresolveLocations): New function, which uses
7323 (yyresolveValue): Invoke yyresolveLocations before reporting an
7325 * doc/bison.texinfo (Default Action for Locations): Note
7326 YYLLOC_DEFAULT's usage for ambiguity locations.
7327 (GLR Semantic Actions): Cross-reference those notes.
7329 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
7331 * tests/glr-regression.at (Leaked semantic values when reporting
7332 ambiguity): Remove unnecessary union and type declarations.
7333 (Leaked lookahead after nondeterministic parse syntax error): New test
7335 * data/glr.c (yyparse): Check for zero stacks remaining before
7336 attempting to shift the lookahead so that you don't lose it.
7338 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
7340 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
7341 * tests/glr-regression.at (Leaked semantic values when reporting
7342 ambiguity): New test case.
7343 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
7344 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
7345 now unnecessary yystackp parameter.
7346 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
7347 destructors can be called.
7349 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
7350 in existing testcases.
7352 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
7354 Don't leak semantic values for parent RHS when a user action cuts the
7355 parser, and clean up related code a bit.
7356 * tests/glr-regression.at (Leaked merged semantic value if user action
7357 cuts parse): Rename to...
7358 (Leaked semantic values if user action cuts parse): ... this. Add check
7359 for leaked parent RHS values.
7360 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
7361 between an unresolved state (non-empty chain of semantic options) and
7362 an incomplete one (signaled by an empty chain).
7363 (yyresolveStates): Document the interface. Move all manipulation of a
7364 successfully or unsuccessfully resolved yyGLRState to...
7365 (yyresolveValue): ... here so that yyresolveValue always leaves a
7366 yyGLRState with consistent data and thus is easier to understand.
7367 Remove the yyvalp and yylocp parameters since they are always just
7368 taken from the yys parameter. When reporting a discarded merged value
7369 in debugging output, note that it is incompletely merged. Document the
7371 (yyresolveAction): If resolving any of the RHS states fails, destroy
7372 them all rather than leaking them. Thus, as long as user actions are
7373 written to clean up the RHS correctly, yyresolveAction always cleans up
7374 the RHS of a semantic option. Document the interface.
7376 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
7378 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
7379 led to a segmentation fault in GNU Pascal. Problem reported
7382 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
7384 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
7385 mid-rule action inside a nonterminal symbol in order to declare a
7386 destructor for its semantic value.
7388 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
7390 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
7391 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
7392 __cplusplus && ! defined _STDLIB_H && !
7393 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
7394 defined free))]: Include <stdlib.h> rather than rolling our own
7395 declarations of malloc and free, to avoid problems with
7396 incompatible declarations (using 'throw') C++'s stdlib.h. This
7397 should fix Debian bug 340012
7398 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
7399 reported by Guillaume Melquiond.
7401 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
7403 * NEWS: Clarify symbols versus types in unused-value warnings.
7405 * configure.ac (AC_INIT): Bump version number.
7407 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
7409 * NEWS: Version 2.1a.
7410 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
7411 since C99 requires this.
7413 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
7415 * m4/c-working.m4: New file.
7416 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
7418 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
7420 * Makefile.maint: Merge from coreutils.
7422 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
7424 More portability fixes for problems summarized by Nelson H. F. Beebe.
7426 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
7427 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
7428 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
7429 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
7430 messes up because C++ code is compiled in 32-bit mode but linked
7433 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
7435 More portability fixes for problems summarized by Nelson H. F. Beebe.
7437 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
7438 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
7440 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
7441 nodist_PROGRAMS, since we don't need to actually compile the
7442 example if we're just doing a plain 'make'. This avoids bothering
7443 the installer unnecessarily about problems due to weird C++
7446 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
7448 More portability fixes for problems summarized by Nelson H. F. Beebe.
7450 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
7451 than #include "...", and compile with -I'.'. The old method was
7452 not portable, according to Posix and the C standard, and it does
7453 not work with Sun C 5.7, where previous #line directives affect
7454 the working directory used in later #include "..." directives.
7456 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
7458 Various DJGGP specific issues in /djgpp
7460 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
7462 More portability fixes for problems summarized by Nelson H. F. Beebe.
7464 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
7465 '#include <map>' works and that you can apply ++ to iterators.
7467 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
7469 Work around portability problems summarized by Nelson H. F. Beebe in
7470 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
7472 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
7473 that '#include <string>' works.
7475 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
7476 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
7477 "warning: sorry: semantics of inline function static data `const
7478 unsigned char translate_table[262]' are wrong (you'll wind up with
7481 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
7482 or, xor to not_, and_, or_, and xor_, respectively. This works
7483 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
7484 random system header somewhere that includes the equivalent of
7487 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
7488 -E" works; it apparently doesn't work with PathScale EKO Compiler
7491 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
7493 During deterministic GLR operation, user actions should be able to
7494 influence the parse by changing yychar. To make this easier to fix and
7495 to make glr.c easier to evolve in general, don't maintain yytoken in
7496 parallel with yychar; just compute yytoken when needed.
7497 * tests/glr-regression.at (Incorrect lookahead during deterministic
7498 GLR): Check that setting yychar in a user action has the intended
7500 * data/glr.c (yyGLRStack): Remove yytokenp member.
7501 (yyclearin): Don't set *yytokenp.
7502 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
7503 yychar rather than *yytokenp to determine the current lookahead.
7504 Compute yytoken locally when needed.
7505 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
7508 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
7509 after `--report' documentation.
7511 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
7513 * src/parse-gram.y (grammar_declaration): Location of printer
7514 symbol is @1, not list->location. Bug reported by twlevo.
7515 * tests/input.at (Incompatible Aliases): Adjust to above change.
7517 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
7519 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
7520 all the test at once. This makes the output easier to read in the
7523 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
7524 got from <http://bro-ids.org/download.html>. The bug is that
7525 when two actions appeared in succession, the second one was
7526 scanned before the first one was added to the grammar rule
7527 as a midrule action. Bison then output the incorrect warning
7528 "parse.y:905.17-906.36: warning: unused value: $3".
7529 * src/parse-gram.y (BRACED_CODE, action): These are no longer
7530 associated with a value.
7531 (rhs): Don't invoke grammar_current_rule_action_append.
7532 (action): Invoke it here instead.
7533 * src/reader.c (grammar_midrule_action): Now extern.
7534 (grammar_current_rule_action_append): Don't invoke
7535 grammar_midrule_action; that is now the scanner's job.
7536 * src/reader.h (last_string, last_braced_code_loc):
7537 (grammar_midrule_action): New decls.
7538 * src/scan-gram.l (last_string): Now extern, sigh.
7539 (last_braced_code_loc): New extern variable.
7540 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
7541 rule already has an action.
7542 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
7543 * tests/input.at (AT_CHECK_UNUSED_VALUES):
7544 Add some tests to check that the above changes fixed the bug.
7546 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
7548 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
7549 All used changed. Check whether the symbol has a destructor,
7550 not whether it is typed.
7551 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
7552 that the values are still reported as unused. All line numbers
7555 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
7557 Work around a bug in bro 0.8, which underparenthesizes its
7558 definition of YYLLOC_DEFAULT.
7559 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
7561 * data/lalr1.cc: Likewise.
7562 * data/yacc.cc: Likewise.
7564 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
7566 Work around a bug in Pike 7.0, and give the Pike folks a
7567 better way to override the usual int widths.
7568 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
7569 user can override the types.
7570 (short): #undef, to work around a bug in Pike 7.0.
7571 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
7572 (union yyalloc.yyss): Use yytype_int16 rather than short.
7574 (yysigned_char): Remove.
7575 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
7576 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
7577 * tests/regression.at (Web2c Actions): Adjust to above changes.
7579 * src/reader.c (check_and_convert_grammar): New function.
7580 (reader): Close the input file even if something went wrong during
7581 parsing. Minor file descriptor leak reported by twlevo.
7583 * src/assoc.c (assoc_to_string): Use a default: abort (); case
7584 to pacify gcc -Wswitch-default.
7585 * src/scan-gram.l (adjust_location): Use a default: break; case
7586 to pacify gcc -Wswitch-default.
7587 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
7588 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
7589 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
7590 Move these decls to scan-skel.l, since they don't need to be
7592 * src/scan-skel.l: Accept the above decls.
7593 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
7596 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
7598 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
7599 since we don't want to insist on a version number at the start
7600 of the changelog every time.
7601 * Makefile.maint: Sync from coreutils a bit better.
7602 (sc_trailing_blank): Renamed from sc_trailing_space.
7604 (sc_no_if_have_config_h, sc_require_config_h):
7605 (sc_prohibit_assert_without_use): New rules.
7606 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
7607 (sc_dd_max_sym_length): Fix leading spaces in rule.
7608 (sc_system_h_headers): Prefix with @.
7609 (sc_useless_cpp_parens, m4-check): Output line numbers.
7610 (changelog-check): Allow version only in head.
7611 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
7612 satisfy new Makefile.maint rule.
7613 * data/glr.c: Likewise.
7614 * data/glr.cc: Likewise.
7615 * data/lalr1.cc: Likewise.
7616 * data/yacc.c: Likewise.
7617 * lib/ebitsetv.c: Likewise.
7618 * lib/lbitset.c: Likewise.
7619 * lib/subpipe.c: Likewise.
7620 * lib/timevar.c: Likewise.
7621 * src/system.h: Likewise.
7622 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
7623 * djgpp/Makefile.maint: Add copyright notice.
7624 * djgpp/README.in: Likewise.
7625 * djgpp/config.bat: Likewise.
7626 * djgpp/config.site: Likewise.
7627 * djgpp/config_h.sed: Likewise.
7628 * djgpp/djunpack.bat: Likewise.
7629 * djgpp/config.sed: Fix copyright notice to match standard format.
7630 * djgpp/subpipe.h: Likewise.
7631 * lib/bitsetv-print.c: Likewise.
7632 * lib/bitsetv.c: Likewise.
7633 * lib/subpipe.h: Likewise.
7634 * lib/timevar.c: Likewise.
7635 * lib/timevar.h: Likewise.
7636 * djgpp/subpipe.c: Use standard recipe for config.h.
7637 * lib/abitset.c: Likewise.
7638 * lib/bitset.c: Likewise.
7639 * lib/bitset_stats.c: Likewise.
7640 * lib/bitsetv-print.c: Likewise.
7641 * lib/bitsetv.c: Likewise.
7642 * lib/ebitsetv.c: Likewise.
7643 * lib/get-errno.c: Likewise.
7644 * lib/lbitset.c: Likewise.
7645 * lib/subpipe.c: Likewise.
7646 * lib/timevar.c: Likewise.
7647 * lib/vbitset.c: Likewise.
7648 * tests/local.at: Likewise.
7649 * src/scan-gram.l: Don't include verify.h, since system.h does
7651 * .x-sc_require_config_h: New file.
7652 * .x-sc_unmarked_diagnostics: New file.
7654 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
7656 Be a bit more systematic about using 'abort'.
7657 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
7658 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
7659 Put 'default: abort ();' before some other case, to satisfy older
7661 * lib/bitset_stats.c (bitset_stats_init): Likewise.
7662 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
7663 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
7664 * src/conflicts.c (resolve_sr_conflict): Likewise.
7665 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
7666 (get_decision_str, get_orientation_str, get_node_alignment_str):
7667 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
7668 (get_linestyle_str, get_arrowstyle_str): Likewise.
7669 * src/conflicts.c (resolve_sr_conflict):
7670 Use a default case rather than one for the one remaining enum
7671 value, to catch invalid enum values as well.
7672 * src/lalr.c (set_goto_map, map_goto):
7673 Prefer "assert (FOO);" to "if (!FOO) abort ();".
7674 * src/nullable.c (nullable_compute, token_definitions_output):
7676 * src/reader.c (packgram, reader): Likewise.
7677 * src/state.c (transitions_to, state_new, state_reduction_find):
7679 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
7680 (symbol_pack): Likewise.
7681 * src/tables.c (conflict_row, pack_vector): Likewise.
7682 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
7683 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
7684 * src/system.h: Don't include <assert.h>.
7685 (assert): New macro.
7687 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
7688 (Destructor Decl, Parser Function, Pure Calling):
7689 Describe rules for braces inside C code more carefully.
7691 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
7693 Fix some porting glitches found by Nelson H. F. Beebe.
7694 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
7695 compilers that don't understand that abort () does not return.
7696 * src/state.c (transitions_to): Likewise.
7697 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
7698 that '#include <cstdlib>' works.
7699 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
7700 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
7701 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
7702 for the benefit of some pre-C99 compilers.
7704 * bootstrap: Undo changes to gnulib files that autoreconf made.
7706 Minor fixups to get 'make maintainer-check' to work.
7707 * configure.ac: Don't use -Wnested-externs, as it's incompatible
7708 with the new verify.h implementation.
7709 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
7710 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
7711 * data/yacc.c (YYUSE): Likewise.
7712 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
7713 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
7714 * src/parse-gram.y (declaration): Don't pass a string constant
7715 to a function that expects char *, since GCC might complain
7716 about the constant value.
7717 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
7718 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
7719 before #defining them.
7720 * tests/glr-regression.at
7721 (Incorrectly initialized location for empty right-hand side in GLR):
7722 In yyerror, use the msg arg.
7723 (Corrupted semantic options if user action cuts parse):
7724 (Incorrect lookahead during deterministic GLR):
7725 (Incorrect lookahead during nondeterministic GLR):
7726 Don't name a local var 'index'; it shadows string.h's 'index'.
7728 2006-01-19 Akim Demaille <akim@epita.fr>
7730 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
7731 location, not just parts of it.
7733 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
7735 * NEWS: Document the fact that multiple %unions are now allowed.
7736 * doc/bison.texinfo (Union Decl): Likewise.
7737 * TODO: This feature is now implemented, so remove it from
7740 * Makefile.maint: Merge with coreutils Makefile.maint.
7741 (CVS_LIST): Use build-aux version if available.
7742 (VERSION_REGEXP): New macro.
7743 (syntax-check-rules): Add sc_no_if_have_config_h,
7744 sc_prohibit_assert_without_use, sc_require_config_h,
7745 sc_useless_cpp_parens.
7746 (sc_obsolete_symbols): Check for O_NDELAY.
7747 (sc_dd_max_sym_length): Track coreutils.
7748 (sc_unmarked_diagnostics): Look in all files, not just *.c.
7749 (sc_useless_cpp_parens): New rule.
7750 (news-date-check): Look for version or today's date.
7751 (changelog-check): Don't require version number near head.
7752 (copyright-check): Use current year instead of hardwiring 2005.
7753 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
7754 (announcement): Add --gpg-key-ID.
7756 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
7759 Avoid undefined behavior that addressed just before the start of an
7760 array. Problem reported by twlevo.
7761 * src/reader.c (packgram): Prepend a new sentinel before ritem.
7762 * src/lalr.c (build_relations): Rely on new sentinel.
7763 * src/gram.c (gram_free): Adjust to new sentinel.
7765 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
7767 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
7768 yylookaheadNeeds. All uses updated.
7769 (yysplitStack): Rename local yynewLookaheadStatuses to
7770 yynewLookaheadNeeds.
7771 * data/glr-regression.at (Incorrect lookahead during nondeterministic
7772 GLR): In comments, change `lookahead status' to `lookahead need'.
7774 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7776 * data/glr.c (yysplitStack): A little stylistic rewrite.
7778 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7780 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
7782 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
7784 * doc/bison.texinfo: Fix some typos.
7785 (GLR Semantic Actions): New subsection discussing special
7786 considerations because GLR semantic actions might be deferred.
7787 (Actions): Mention look-ahead usage of yylval.
7788 (Actions and Locations): Mention look-ahead usage of yylloc.
7789 (Special Features for Use in Actions): Add YYEOF entry and mention it
7790 in the yychar entry.
7791 In the yychar entry, remove mention of the local yychar case (pure
7792 parser) since this is irrelevant information when writing semantic
7793 actions and since it's already discussed in `Table of Symbols' where
7794 yychar is otherwise described as an external variable.
7795 In the yychar entry, don't call it the `current' look-ahead since it
7796 isn't when semantic actions are deferred.
7797 In the yychar and yyclearin entries, add note about deferred semantic
7799 Add yylloc and yylval entries discussing look-ahead usage.
7800 (Look-Ahead Tokens): When discussing yychar, don't call it the
7801 `current' look-ahead, and do mention yylval and yylloc.
7802 (Error Recovery): Cross-reference `Action Features' when mentioning
7804 (Table of Symbols): In the yychar entry, don't call it the `current'
7806 In the yylloc and yylval entries, mention look-ahead usage.
7808 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
7810 * tests/glr-regression.at: Update copyright year to 2006.
7812 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7814 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
7815 use during nondeterministic operation to track which stacks have
7816 actually needed the current lookahead.
7817 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
7818 Allocate, deallocate, resize, and otherwise shuffle space for
7819 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
7820 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
7821 appropriately during nondeterministic operation.
7822 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
7823 members to store the current lookahead to be used by the deferred
7825 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
7826 from which the RHS is taken. Set the lookahead members of the new
7827 yySemanticOption according to the lookahead status for stack yyk.
7828 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
7829 yyaddDeferredAction.
7830 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
7831 members of yySemanticOption before invoking yyuserAction, and then set
7832 them back to their current values afterward.
7833 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
7834 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
7835 * tests/glr-regression.at: Remove `.' from the ends of recent test case
7836 titles for consistency.
7837 (Leaked merged semantic value if user action cuts parse): In order to
7838 suppress lint warnings, use arguments in merge function, and assign
7839 char value < 128 in main.
7840 (Incorrect lookahead during deterministic GLR): New test case.
7841 (Incorrect lookahead during nondeterministic GLR): New test case.
7843 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7845 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
7846 !yyvaluep as signal that no semantic value is available to print.
7847 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
7848 to print a semantic value.
7850 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7852 * tests/glr-regression.at: For consistency with my newer test cases,
7855 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
7857 * data/glr.c (yyresolveValue): When merging semantic options, if at
7858 least one user action succeeds but a later one cuts the parse, then
7859 destroy the semantic value before returning rather than leaking it.
7860 (yyresolveStates): If a user action cuts the parse and thus
7861 yyresolveValue fails, ignore the (unset) semantic value rather than
7862 corrupting the yyGLRState, and empty the semantic options list since
7863 the user actions should have called all necessary destructors.
7864 Simplify code with YYCHK.
7865 * tests/glr-regression.at (Corrupted semantic options if user action
7866 cuts parse): New test case.
7867 (Undesirable destructors if user action cuts parse): New test case.
7868 Before applying any of this patch, this test case never actually failed
7869 for me... but only because the corrupted semantic options usually
7871 (Leaked merged semantic value if user action cuts parse): New test
7874 2006-01-05 Akim Demaille <akim@epita.fr>
7876 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
7878 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
7880 * data/c.m4 (b4_c_modern): New macro, with a new provision for
7881 _MSC_VER. Problem reported by Cenzato Marco.
7882 (b4_c_function_def): Use it.
7883 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
7885 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
7886 than rolling our own.
7888 2006-01-04 Akim Demaille <akim@epita.fr>
7890 Also warn about non-used mid-rule values.
7891 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
7893 (symbol_list_new): Adjust.
7894 * src/reader.c (symbol_typed_p): New.
7895 (grammar_rule_check): Use it.
7896 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
7898 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
7900 * tests/actions.at (Exotic Dollars): Adjust.
7902 2006-01-04 Akim Demaille <akim@epita.fr>
7904 * src/reader.c (grammar_midrule_action): If $$ is set in a
7905 mid-rule, move the `used' bit to its lhs.
7906 * tests/input.at (Unused values): New.
7907 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
7909 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
7911 * doc/bison.texinfo (Bison Options): Say more accurately what
7913 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
7914 about declarations in the grammar when in Yacc mode, as POSIX does
7915 not require a diagnostic when the grammar uses extensions.
7917 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
7919 Warn about dubious constructions like "%token T T".
7921 * src/symtab.h (struct symbol.declared): New member.
7922 * src/symtab.c (symbol_new): Initialize it to false.
7923 (symbol_class_set): New arg DECLARING, specifying whether
7924 this is a declaration that we want to warn about, if there
7925 is more than one of them. All uses changed.
7927 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
7928 Allow multiple %union directives, whose contents concatenate.
7929 * src/parse-gram.y (grammar_declaration): Likewise.
7930 Use muscle_code_grow, so that we don't need stype_line any more.
7933 * src/muscle_tab.c (muscle_grow): Fix comment.
7935 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
7936 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
7937 Update copyright year to 2006.
7939 2006-01-03 Akim Demaille <akim@epita.fr>
7941 Have glr.cc pass (some of) the calc.at tests.
7942 * data/glr.cc (b4_parse_param_orig): New.
7943 (b4_parse_param): Improve its definition, and bound it more
7944 clearly in the skeleton.
7945 (b4_epilogue): Append, instead of prepending, in order to keep
7947 Simplify the generation of auxiliary functions: locations and
7948 purity are mandated.
7949 (b4_global_tokens_and_yystype): Honor it.
7950 * data/location.cc (c++.m4): Don't include it.
7951 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
7953 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
7955 Be sure to initialize the first position's filename.
7956 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
7958 (AT_CHECK_CALC_GLR_CC): New.
7959 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
7961 2006-01-02 Akim Demaille <akim@epita.fr>
7963 * src/output.c (output_skeleton): Don't hard wire the inclusion of
7965 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
7966 * data/glr.cc: Do not include stack.hh.
7968 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
7970 * data/glr.c: Reformat whitespace with tabs.
7971 (b4_lpure_formals): Remove this unused m4 macro.
7972 * tests/cxx-type.at: Reformat whitespace with tabs.
7973 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
7974 since it's a member. Rename type to isNterm for clarity.
7976 2005-12-29 Akim <akim@sulaco.local>
7978 Let glr.cc catch up with symbol_value_print.
7979 * data/glr.cc (b4_yysymprint_generate): Replace by...
7980 (b4_yy_symbol_print_generate): this.
7981 (yy_symbol_print, yy_symbol_value_print): Declare them.
7983 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
7985 * src/location.h (boundary): Note that a line or column equal
7986 to INT_MAX indicates an overflow.
7987 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
7988 (rule_length_overflow, increment_rule_length, add_column_width):
7990 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
7991 (<SC_BRACED_CODE>"}"):
7992 Use increment_rule_length rather than incrementing it by hand.
7993 (adjust_location, handle_syncline): Diagnose overflow.
7994 (handle_action_dollar, handle_action_at):
7995 Fix bug with monstrosities like $-2147483648.
7996 Remove now-unnecessary checks.
7997 (scan_integer): Verify assumptions and remove now-unnecessary checks.
7998 (convert_ucn_to_byte): Verify assumptions.
7999 (handle_syncline): New arg LOC. All callers changed.
8000 Don't store through a value derived from char const * pointer.
8002 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
8005 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
8007 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
8008 Remove unnecessary forward static decls.
8010 2005-12-27 Akim Demaille <akim@epita.fr>
8012 * src/reader.c (grammar_current_rule_check): Also check that $$
8014 Take the rule to check as argument, hence rename as...
8015 (grammar_rule_check): this.
8016 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
8018 (grammar_rule_begin, grammar_rule_end): these, for consistency.
8019 (grammar_midrule_action, grammar_symbol_append): Now static.
8020 * tests/torture.at (input): Don't rely on the default action
8021 being always performed.
8022 * tests/calc.at: "Set" $$ even when the action is "cut" with
8024 * tests/actions.at (Exotic Dollars): Instead of using unused
8025 values, check that the warning is issued.
8027 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
8029 * NEWS: Improve wording for unused-value warnings.
8031 2005-12-22 Akim Demaille <akim@epita.fr>
8033 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
8034 (b4_yysymprint_generate): Rename as...
8035 (b4_yy_symbol_print_generate): this.
8036 Generate yy_symbol_print instead of yysymprint.
8037 Generate also yy_symbol_value_print, and use it.
8039 2005-12-22 Akim Demaille <akim@epita.fr>
8041 * NEWS: Warn about unused values.
8042 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
8044 (symbol_list_n_get, symbol_list_n_used_set): New.
8045 (symbol_list_n_type_name_get): Use symbol_list_n_get.
8046 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
8047 * src/reader.c (grammar_current_rule_check): Check that values are
8049 * src/symtab.c (symbol_print): Accept 0.
8050 * tests/existing.at: Remove the type information.
8052 Remove useless actions (beware of mid-rule actions: perl -000
8053 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
8054 * tests/actions.at (Exotic Dollars): Use unused values.
8055 * tests/calc.at: Likewise.
8056 * tests/glr-regression.at (No users destructors if stack 0 deleted):
8059 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
8062 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
8064 Undo 2005-12-01 tentative license wording change. The wording is
8065 still being reviewed by the lawyers, and we don't want to wait for
8066 them before publishing a test release. For now, revert to the
8068 * NEWS: Undo 2005-12-01 change.
8069 * data/glr.c: Revert to previous license wording.
8070 * data/glr.cc: Likewise.
8071 * data/lalr1.cc: Likewise.
8072 * data/location.cc: Likewise.
8073 * data/yacc.c: Likewise.
8075 * NEWS: Reword %destructor vs YYABORT etc.
8076 * data/glr.c: Use American spacing, for consistency.
8077 * data/glr.cc: Likewise.
8078 * data/lalr1.cc: Likewise.
8079 * data/yacc.c: Likewise.
8080 * data/yacc.c: Reformat comments slightly.
8081 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
8082 for consistency. Fix some spelling errors and reword recently-included
8084 * tests/cxx-type.at: Cast results of malloc, for C++.
8086 2005-12-21 Joel E. Denny <address@hidden>
8088 * tests/cxx-type.at: Construct a tree, count the parents of shared
8089 nodes, and free each node once and only once. Previously, the memory
8090 for semantic values was leaked instead.
8092 2005-12-21 Joel E. Denny <address@hidden>
8094 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
8095 (yylval, yylloc): If pure, #define to yystackp->yyval and
8096 yystackp->yyloc similar to yychar and yynerrs.
8097 (yyparse): If pure, remove local yylval and yylloc. Add local
8098 yystackp to accommodate pure definitions of yylval and yylloc.
8099 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
8100 yylvalp and yyllocp to &yylval and &yylloc.
8101 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
8102 namespace. Previously, nerrs and char were missing, but lval and lloc
8104 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
8105 yylvalp and yyllocp parameters since, if pure, these are now always
8106 accessible through yystackp. If not pure, they are still accessible
8108 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
8109 `if (YYID (N))' to pacify lint.
8111 2005-12-21 Akim Demaille <akim@epita.fr>
8113 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
8114 destroy the RHS symbols of a rule.
8115 * data/yacc.c (yylen): Initialize to 0.
8116 Keep its value to the number of items to possibly shift.
8117 In particular, a regular successful parse that ends on YYFINAL by
8118 a (internal) YYACCEPT must not have yylen != 0.
8119 (yyerrorlab, yyreturn): Pop the RHS.
8120 Reorder a bit to emphasize the `shifting' bits of code.
8121 (YYPOPSTACK): Now accept a number of items to pop.
8122 * data/lalr1.cc: Likewise.
8123 * data/glr.c: Formatting changes.
8124 Use goto instead of fall through.
8125 * doc/bison.texinfo (Destructor Decl): Complete.
8127 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8129 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
8130 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
8131 * djgpp/config.bat: Replace every occurence of the file name
8132 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
8133 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
8134 * djgpp/config.sed: Replace every occurence of the file name
8135 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
8136 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
8137 * djgpp/djunpack.bat: DJGPP specific file.
8138 * djgpp/fnchange.lst: DJGPP specific file.
8139 * djgpp/README.in: Add new information about how to unpack the bison
8140 source on MSDOS and other systems which have 8.3 file name restrictions
8141 using djunpack.bat and fnchange.lst.
8143 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
8145 * bootstrap (build_cvs_prefix): Remove; unused.
8146 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
8147 when getting gnulib.
8149 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
8151 * data/glr.c: Reorder typedef declarations for structs to match order
8152 of struct declarations.
8153 Rename yystack everywhere to yystackp except in yyparse where it's not
8155 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
8157 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
8158 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
8159 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
8162 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
8164 * tests/sets.at (Accept): Fix typos in regular expression used to
8165 sed out the final state number.
8167 Work around portability problem on Solaris 10: flex-generated
8168 files include <stdio.h> before <config.h>, which messes up
8169 because the latter defines __EXTENSIONS__. Address the problem
8170 by creating two new little files that include <config.h> first,
8171 then include the flex-generated files. Rewrite everyone else
8172 to include <config.h> first, as well.
8173 * lib/timevar.c: Always include "config.h".
8174 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
8175 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
8176 (EXTRA_bison_SOURCES): New macro.
8177 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
8178 * src/system.h: Don't include config.h.
8179 * src/LR0.c: Include <config.h> first.
8180 * src/assoc.c: Likewise.
8181 * src/closure.c: Likewise.
8182 * src/complain.c: Likewise.
8183 * src/conflicts.c: Likewise.
8184 * src/derives.c: Likewise.
8185 * src/files.c: Likewise.
8186 * src/getargs.c: Likewise.
8187 * src/gram.c: Likewise.
8188 * src/lalr.c: Likewise.
8189 * src/location.c: Likewise.
8190 * src/main.c: Likewise.
8191 * src/muscle_tab.c: Likewise.
8192 * src/nullable.c: Likewise.
8193 * src/output.c: Likewise.
8194 * src/parse-gram.y: Likewise.
8195 * src/print.c: Likewise.
8196 * src/print_graph.c: Likewise.
8197 * src/reader.c: Likewise.
8198 * src/reduce.c: Likewise.
8199 * src/relation.c: Likewise.
8200 * src/state.c: Likewise.
8201 * src/symlist.c: Likewise.
8202 * src/symtab.c: Likewise.
8203 * src/tables.c: Likewise.
8204 * src/uniqstr.c: Likewise.
8205 * src/vcg.c: Likewise.
8207 * src/parse-gram.y: Fix minor problems uncovered by lint.
8208 (current_lhs, current_lhs_location): Now static.
8209 (current_assoc): Remove unused variable.
8211 Cleanups so that Bison-generated parsers have less lint.
8212 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
8213 Prepend /*ARGSUSED*/, for lint's sake.
8214 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
8215 definition if 'lint' is defined.
8216 (YYID): New macro (or function, if lint).
8217 All uses of /*CONSTCOND*/0 replaced by YYID(0).
8218 * data/yacc.c: Likewise.
8219 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
8220 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
8221 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
8223 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
8224 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
8225 Use YYID(0) rather than 0, for lint.
8226 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
8227 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
8229 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
8231 * tests/glr-regression.at
8232 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
8233 Close memory leak reported by twlevo.
8235 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
8237 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
8239 (yyparse): Iterate another stack in order to call user destructors.
8240 * tests/glr-regression.at (No users destructors if stack 0 deleted):
8242 (Duplicated user destructor for lookahead): This test now is expected
8245 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
8247 * NEWS: Document the following change.
8248 * data/yacc.c: Say "parser skeleton" rather than "file", since
8249 it's no longer just a file.
8250 * data/glr.c: Grant a special exception for C GLR parsers, that
8251 reads like the already-existing exception for C LALR(1) parsers.
8252 * data/glr.cc: Likewise.
8253 * data/lalr1.cc: Likewise.
8254 * data/location.cc: Likewise.
8255 * data/yacc.c: Reword the "written by" statement to clarify that
8256 it was the parser skeleton, not the entire output file.
8257 * data/glr.c: Written by Paul Hilfinger.
8258 * data/glr.cc: Written by Akim Demaille.
8259 * data/lalr1.cc: Likewise.
8261 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
8263 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
8264 Fix typos in previous change that broke 'make check'.
8265 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
8267 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
8268 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
8269 We can revert this once things settle down.
8271 * src/conflicts.c (conflicts_print): Don't print file name twice
8272 when %expect fails because there were no conflicts.
8273 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
8275 * tests/conflicts.at (%expect not enough, %expect too much):
8276 (%expect with reduce conflicts): Adjust to new behavior.
8278 2005-11-18 Akim Demaille <akim@epita.fr>
8280 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
8282 * NEWS: Document this.
8283 * doc/bison.texinfo (Expect Decl): Likewise.
8285 2005-11-16 Akim Demaille <akim@epita.fr>
8287 Generalize the display of semantic values and locations in traces.
8288 * data/glr.c (yy_reduce_print): Fix indices (again).
8289 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
8291 * data/lalr1.cc (yyreduce_print): Rename as...
8292 (yy_reduce_print): this.
8293 Display values and locations.
8294 * data/yacc.c (yy_reduce_print): Likewise.
8295 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
8296 (yysymprint): Move higher to be visible from yy_reduce_print).
8298 * tests/calc.at: Adjust the expected length of the traces.
8300 2005-11-14 Akim Demaille <akim@epita.fr>
8302 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
8303 from 1 to N, while values and location start at 0.
8304 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
8306 2005-11-14 Akim Demaille <akim@epita.fr>
8308 * data/glr.c (yy_reduce_print): Fix the $ number.
8310 2005-11-14 Akim Demaille <akim@epita.fr>
8312 "Use" parse parameters.
8313 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
8314 * data/glr.c, data/glr.cc: Use them.
8315 * data/glr.c (YYUSE): Have a C++ definition that supports
8318 2005-11-14 Akim Demaille <akim@epita.fr>
8320 * data/glr.c (yyexpandGLRStack): Declare only if defined.
8322 2005-11-14 Akim Demaille <akim@epita.fr>
8325 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
8327 2005-11-12 Akim Demaille <akim@epita.fr>
8329 Let position and location be PODs.
8330 * data/location.cc (position::initialize, location::initialize): New.
8331 (position::position, location::location): Define only if
8332 b4_location_constructors is defined.
8333 * data/lalr1.cc (b4_location_constructors): Define it for backward
8335 * doc/bison.texinfo (Initial Action Decl): Use initialize.
8337 2005-11-12 Akim Demaille <akim@epita.fr>
8339 * data/lalr1.cc: Move the body of the ctor and dtor into the
8340 parser file (instead of the header).
8341 Wrap the implementations in a "namespace yy".
8343 2005-11-12 Akim Demaille <akim@epita.fr>
8345 Have glr.c include its header file when created.
8346 * data/glr.c (b4_shared_declarations): New.
8347 Output them verbatim in the parser if !%defines, otherwise
8348 output then in the header file, and include it instead.
8350 2005-11-11 Akim Demaille <akim@epita.fr>
8352 * data/glr.c: Comment changes.
8354 2005-11-11 Akim Demaille <akim@epita.fr>
8356 When yydebug, report semantic and location values for reductions.
8357 * data/glr.c (yy_reduce_print): Report the semantic values and the
8359 (YY_REDUCE_PRINT): Adjust.
8360 (yyglrReduce): Use them.
8361 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
8362 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
8363 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
8366 2005-11-10 Akim Demaille <akim@epita.fr>
8368 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
8369 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
8370 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
8372 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
8374 * m4/cxx.m4, examples/Makefile.am: Don't build
8375 examples/calc++ if no C++ compiler is available. (trivial change)
8377 2005-11-09 Akim Demaille <akim@epita.fr>
8379 * src/scan-skel.l: Use a couple of asserts.
8381 2005-11-03 Akim Demaille <akim@epita.fr>
8383 In some (weird) cases, the final state number is incorrect.
8384 Reported by Alexandre Duret-Lutz.
8385 * src/LR0.c (state_list_append): Remove the computation of
8387 (save_reductions): Do it here.
8388 (get_state): Alpha conversion.
8389 (generate_states): Use a for loop.
8390 * src/gram.h (item_number_is_rule_number)
8391 (item_number_is_symbol_number): New.
8392 * src/state.c: Use assert.
8393 * src/system.h: Include assert.h.
8394 * tests/sets.at (Accept): New.
8396 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
8398 * data/glr.c (yyfill): Adjust comment.
8399 (yyresolveAction): Initialize default location properly
8400 for empty right-hand sides.
8401 (yydoAction): Ditto.
8402 Add comment explaining apparently dead code.
8403 * tests/glr-regression.at
8404 (Incorrectly initialized location for empty right-hand side in GLR):
8407 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
8409 * bootstrap (cleanup_gnulib): New function. Use it to clean up
8410 gnulib when interrupted. This fixes some race conditions and
8411 works around some portability problems (one noted by Paul
8414 2005-10-22 Akim <akim@epita.fr>
8416 * Makefile.cfg: Adjust to config -> build-aux.
8419 2005-10-21 Akim Demaille <akim@epita.fr>
8421 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
8423 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
8424 * data/yacc.c (b4_Pure_if): Rename as...
8425 (b4_yacc_pure_if): this.
8426 (YY_SYMBOL_PRINT, yyparse): Adjust.
8427 * doc/bison.texinfo: Formatting changes.
8429 2005-10-21 Akim Demaille <akim@epita.fr>
8431 Finish the transition config -> build-aux.
8432 * configure.ac, Makefile.am: Use build-aux.
8433 * config/prev-version, config/announce-gen, config/Makefile.am:
8435 * build-aux/prev-version, build-aux/announce-gen,
8436 * build-aux/Makefile.am: here.
8438 2005-10-14 Akim Demaille <akim@epita.fr>
8440 * examples/calc++/test: Use set -x only when VERBOSE.
8442 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
8444 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
8445 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
8447 2005-10-13 Akim Demaille <akim@epita.fr>
8449 * src/scan-skel.l: Output the base name parts of the parser and
8451 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
8453 Use this to exercise C++ outputs in subdirs.
8454 Reported by Oleg Smolsky.
8456 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
8458 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
8459 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
8460 Problem reported by John P. Hartmann.
8461 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
8464 2005-10-12 Akim Demaille <akim@epita.fr>
8466 * src/parse-gram.y (version_check): Exit 63 to please missing
8467 (stands for "version mismatch).
8468 * tests/input.at, doc/bison.texinfo: Adjust.
8470 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
8472 Work around portability problems with Visual Age C compiler
8473 (xlc and xlC_r) reported by John P. Hartmann.
8474 * data/location.cc (initial_column, initial_line): Remove.
8475 All uses replaced by 0 and 1.
8476 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
8477 that xlc complains about.
8478 * src/scan-skel.l (skel_wrap): Likewise.
8479 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
8481 * data/yacc.c (YYMODERN_C): New macro, which also looks at
8482 __STDC_VERSION__. Use it everywhere instead of looking at
8483 __STDC__ and __cplusplus.
8485 2005-10-10 Akim Demaille <akim@epita.fr>
8487 * examples/calc++/test: Be quiet unless VERBOSE.
8489 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
8491 * data/c.m4 (yydestruct, yysymprint):
8492 Use YYUSE instead of casting to void.
8493 * data/glr.c (YYUSE): New macro.
8494 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
8495 Use it instead of rolling our own.
8496 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
8498 Use /*CONSTCOND*/ to suppress lint warnings.
8499 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
8500 (YY_STACK_PRINT): Use 'false' not '0'.
8502 (yysymprint_, yydestruct_): Use it instead of rolling our own.
8503 * data/yacc.c (YYUSE): New macro.
8504 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
8505 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
8506 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
8509 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
8510 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
8512 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
8514 Undo the parts of the unlocked-I/O change that substituted
8515 putc or puts for printf. This might hurt performance a bit,
8516 but some people prefer the printf style.
8517 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
8518 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
8519 All uses replaced by YYFPRINTF and YYDPRINTF.
8520 * data/yacc.c: Likewise.
8521 * lib/bitset.c (bitset_print): Likewise.
8522 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
8524 * lib/lbitset.c (debug_lbitset): Likewise.
8525 * src/closure.c (print_firsts, print_fderives): Likewise.
8526 * src/gram.c (grammar_dump): Likewise.
8527 * src/lalr.c (look_ahead_tokens_print): Likewise.
8528 * src/output.c (escaped_output): Likewise.
8529 (user_actions_output): Break apart two printfs.
8530 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
8531 * src/reduce.c (reduce_print): Likewise.
8532 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8533 * src/system.h: Include unlocked-io.h rathe than stdio.h.
8535 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
8536 Use assignments rather than casts-to-void to suppress
8537 unused-variable warnings. This pacifies 'lint'.
8538 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
8539 unused-variable warnings.
8541 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8543 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
8545 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
8547 Use unlocked I/O for a minor performance improvement on hosts like
8548 GNU/Linux and Solaris that support unlocked I/O. The basic idea
8549 is to use the gnlib unlocked-io module, and to prefer putc and
8550 puts to printf when either will work (since the latter doesn't
8551 come in an unlocked flavor).
8552 * bootstrap (gnulib_modules): Add unlocked-io.
8553 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
8554 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
8555 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
8556 and similarly for puts and putc and printf.
8557 * data/yacc.c: Likewise.
8558 * lib/bitset.c (bitset_print): Likewise.
8559 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
8560 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
8562 * lib/lbitset.c (debug_lbitset): Likewise.
8563 * src/closure.c (print_firsts, print_fderives): Likewise.
8564 * src/gram.c (grammar_dump): Likewise.
8565 * src/lalr.c (look_ahead_tokens_print): Likewise.
8566 * src/output.c (escaped_output): Likewise.
8567 (user_actions_output): Coalesce two printfs.
8568 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
8569 * src/reduce.c (reduce_print): Likewise.
8570 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8571 * src/system.h: Include unlocked-io.h rather than stdio.h.
8573 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
8574 this confuses xgettext.
8576 2005-10-02 Akim Demaille <akim@epita.fr>
8578 * bootstrap (gnulib_modules): Add strverscmp.
8579 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
8580 * m4/.cvsignore: Add strverscmp.m4.
8581 * src/parse-gram.y (%require): New token, new rule.
8582 (version_check): New.
8583 * src/scan-gram.l (%require): Adjust.
8584 * tests/input.at (AT_REQUIRE): New.
8586 * doc/bison.texinfo (Require Decl): New.
8587 (Calc++ Parser): Use %require.
8589 2005-10-02 Akim Demaille <akim@epita.fr>
8591 * data/location.cc: New.
8593 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
8594 Akim Demaille <akim@epita.fr>
8596 Make sure -odir/foo.cc creates dir/location.hh etc.
8597 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
8598 (spec_file_prefix, spec_verbose_file, spec_graph_file)
8599 (spec_defines_file): Now const.
8601 (short_base_name): Remove.
8602 * src/files.c: Adjust.
8603 (dirname.h): Include.
8604 (base_name): Don't prototype it.
8605 (finput): Remove, duplicates gram_in.
8606 (full_base_name, short_base_name): Replace by...
8607 (all_but_ext, all_but_tab_ext): these.
8608 (compute_base_names): Rename as...
8609 (compute_file_name_parts): this.
8610 Update to compute the new variables, including dir_prefix.
8611 Adjust dependencies.
8612 * src/output.c (prepare): Output them.
8613 * src/reader.c: Adjust to use gram_in, not finput.
8614 * src/scan-skel.l (@dir_prefix@): New.
8616 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8618 * lib/subpipe.c: New function end_of_output_subpipe() added
8619 to allow support for non-posix systems. This is a no-op function
8622 * lib/subpipe.h: New function end_of_output_subpipe() added
8623 to allow support for non-posix systems. This is a no-op function
8626 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
8627 handle the lack of pipe/fork functionality on non-posix systems.
8629 * djgpp/Makefile.maint: DJGPP specific file.
8631 * djgpp/README.in: DJGPP specific file.
8633 * djgpp/config.bat: DJGPP specific configuration file.
8635 * djgpp/config.sed: DJGPP specific configuration file.
8637 * djgpp/config.site: DJGPP specific configuration file.
8639 * djgpp/config_h.sed: DJGPP specific configuration file.
8641 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
8643 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
8645 2005-10-02 Akim Demaille <akim@epita.fr>
8647 * data/location.cc: New, extract from...
8648 * data/lalr1.cc: here.
8649 (location.hh): Include it after the user prologue, in case the
8650 filename type is defined by the user.
8651 Forward declation location and position before the pre-prologue.
8652 (yyresult_): Rename as...
8653 (yyresult): this, it's a local variable, not an attribute.
8654 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
8656 2005-10-01 Akim Demaille <akim@epita.fr>
8658 * examples/extexi: Restore the #line generation.
8660 2005-09-30 Akim Demaille <akim@epita.fr>,
8661 Alexandre Duret-Lutz <adl@gnu.org>
8663 Move the token type and YYSTYPE in the parser class.
8664 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
8665 (parser::token): New, from the moved free definition of tokens.
8666 (parser::semantic_value): Now a full definition instead of an
8667 indirection to YYSTYPE.
8668 (b4_post_prologue): No longer included in the header file, but
8669 in the implementation file.
8670 * doc/bison.texi (C+ Language Interface): Update.
8671 * src/parse-gram.y: Support unary %define.
8672 * tests/actions.at: Define global_tokens_and_yystype for backward
8673 compatibility until we update the tests.
8674 * tests/calc.at: Idem.
8675 (first_line, first_column, last_line, last_column): Define for lalr1.cc
8676 to simplify the code.
8678 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
8680 Port to SunOS 4.1.4, which lacks strtoul and strerror.
8681 Ah, the good old days! Problem reported by Peter Klein.
8682 * bootstrap (gnulib_modules): Add strerror, strtoul.
8683 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
8684 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
8686 2005-09-29 Akim Demaille <akim@epita.fr>
8688 * data/c.m4 (b4_error_verbose_if): New.
8689 * data/lalr1.cc: Use it.
8690 (YYERROR_VERBOSE_IF): Remove.
8691 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
8692 parser members, replaced by...
8693 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
8695 (yysyntax_error_): Takes the state number as argument.
8696 (yyreduce_print_): Use the argument yyrule, not the former
8699 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
8701 * bootstrap (gnulib_modules): Add verify.
8702 * lib/.cvsignore: Add verify.h.
8703 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
8704 * src/system.h (verify): Remove.
8705 Include verify.h instead.
8706 * src/tables.c (tables_generate): Use new API for 'verify'.
8708 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
8710 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
8711 local variables whose names begin with 'yy'.
8712 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
8713 Trivial changes from Joel E. Denny.
8715 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
8717 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
8718 don't use alloca any more.
8720 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
8721 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
8722 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
8723 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
8724 to match yacc.c, to test more hosts.
8726 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
8728 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
8729 doesn't affect behavior.
8730 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
8732 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
8733 This works a bit better with glibc, if user code has already included
8735 * doc/bison.texinfo (Bison Parser): Document that users can't
8736 arbitrarily use malloc and free for other purposes. Document
8737 that <alloca.h> and <malloc.h> might be included.
8738 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
8739 user must declare alloca.
8741 * HACKING (release): Forwarn the Translation Project about
8744 2005-09-20 Akim Demaille <akim@epita.fr>
8746 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
8748 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
8750 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
8751 (YYSTACK_ALLOC_MAXIMUM): Use it.
8752 (yysyntax_error): New function.
8753 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
8754 multiple syntax errors are reported, and alloca is being used.
8755 Instead, reallocate buffers twice as big each time, so that
8756 we waste at most half the allocated memory. Start with a small
8757 (128-byte) buffer that will suffice in most cases anyway.
8758 Use yysyntax_error to do most of the work.
8760 * doc/bison.texinfo (Error Reporting, Table of Symbols):
8761 yynerrs is the number of errors reported, not the number of
8764 * tests/glr-regression.at (Duplicated user destructor for lookahead):
8765 Mark it as expected to fail.
8766 Cast result of malloc; problem reported by twlevo@xs4all.nl.
8767 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
8768 Don't start user-code symbols with "yy", to avoid name space problems.
8770 2005-09-19 Akim Demaille <akim@epita.fr>
8772 Remove the traits, failed experiment.
8773 It never proved useful, and anyway because of the current
8774 definition, it was not possible to have several specialization of
8775 this traits, making it useless.
8776 * data/lalr1.cc (yy:traits): Remove.
8777 Inline its definitions in the parser class.
8779 2005-09-19 Akim Demaille <akim@epita.fr>
8781 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
8782 least Mac OSX with a /usr/local install of gettext.
8784 2005-09-19 Akim Demaille <akim@epita.fr>
8786 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
8787 and yytoken for similarity with the other skeletons.
8789 2005-09-19 Akim Demaille <akim@epita.fr>
8791 * NEWS, configure.ac: update version number to 2.1a.
8793 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
8795 * NEWS: Version 2.1.
8797 * NEWS: Remove notice of yytname change, since it was never in an
8799 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
8801 * src/output.c (prepare): Likewise.
8802 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
8803 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
8804 is not defined. This is an awful hack, but it's enough for now.
8805 All callers changed.
8806 * tests/glr-regression-at (make_value): Args are const pointers now,
8807 to avoid GCC warning.
8808 (Duplicated user destructor for lookahead): New test. Currently
8809 skipped. It fails on my host but I'm not sure it'll always fail.
8811 2005-09-16 Akim Demaille <akim@epita.fr>
8813 * src/symtab.h (struct symbol): Declare the printer and destructor
8814 as const, to avoid accidental calls to free.
8815 (symbol_destructor_set, symbol_printer_set): Adjust.
8816 * src/symtab.c: Adjust.
8818 2005-09-16 Akim Demaille <akim@epita.fr>
8820 * data/c.m4 (b4_token_enums): New.
8821 (b4_token_defines): Rename as...
8822 (b4_token_enums_defines): this.
8823 (b4_token_defines): New, output only the #defines.
8824 * data/yacc.c, data/glr.c: Adjust.
8825 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
8826 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
8829 2005-09-16 Akim Demaille <akim@epita.fr>
8831 * data/lalr1.cc (yylex_): Remove, inline its code.
8832 (yyreport_syntax_error_): Remove, replaced by...
8833 (yysyntax_error_): this which returns a string and leaves to the
8834 caller the call to the users' error function.
8835 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
8836 Move from members of the parser object...
8837 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
8838 to local variables of the parse function.
8840 2005-09-16 Akim Demaille <akim@epita.fr>
8842 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
8843 since it's in Bison's name space.
8845 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
8847 * data/glr.c (yyresolveValue): Add default case to pacify
8848 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
8850 * NEWS: Document when yyparse started to return 2.
8851 * doc/bison.texinfo (Parser Function): Document when yyparse
8854 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
8855 (b4_filename_type): Renamed back from b4_file_name_type. All uses
8857 (class position): file_name -> filename (reverting). All uses changed.
8859 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
8861 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
8862 do anything if $@ exists. This reverts part of the 2005-07-07
8865 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
8867 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
8868 contains obsolete information and isn't worth distributing as a
8869 separate file anyway.
8870 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
8871 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
8872 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
8873 (yyparse): Abort if user code uses longjmp to throw an unexpected
8876 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
8878 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
8879 Suggested by twlevo@xs4all.nl.
8881 * data/glr.c (YYCHK1): Do not assume YYE is in range.
8882 This avoids a diagnostic from gcc -Wswitch-enum.
8883 Problem reported by twlevo@xs4all.nl.
8885 * doc/bison.texinfo: Don't use "filename", as per GNU coding
8886 standards. Use "file name" or "file" or "name", depending on
8888 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
8889 not to hack/foo.tab.c.
8890 (Calc++ Top Level): 2nd arg of main is not const.
8891 * data/glr.c: b4_filename -> b4_file_name.
8892 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
8894 (class position): filename -> file_name. All uses changed.
8895 * data/yacc.c: b4_filename -> b4_file_name.
8896 * lib/bitset.h: filename -> file_name in local vars.
8897 * lib/bitset_stats.c: Likewise.
8898 * src/files.c: Likewise.
8899 * src/scan-skel.l ("@output ".*\n): Likewise.
8900 * src/files.c (file_name_split): Renamed from filename_split.
8901 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
8903 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
8905 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
8906 to accommodate latest gnulib.
8908 * tests/glr-regression.at (Duplicate representation of merged trees):
8909 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
8911 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
8914 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
8916 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
8917 All uses changed. Invoke user destructor after an error during a
8918 split parse (trivial change from Joel E. Denny).
8920 * tests/glr-regression.at
8921 (User destructor after an error during a split parse): New test case.
8922 Problem reported by Joel E. Denny in:
8923 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
8925 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
8927 * README-cvs: Give URLs for recommended tools.
8928 Mention Gzip version problem, and bootstrapping issues.
8929 Remove troubleshooting section, as it's somewhat obsolete.
8931 * bootstrap (no_cache): New var, to accommodate different wget
8932 variants. Use it instead of '-C off'. Problem reported by
8935 * data/glr.c (yydestroyStackItem): New function.
8936 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
8937 debugging information. Problem reported by Joel E. Denny.
8939 2005-08-25 Akim Demaille <akim@epita.fr>
8941 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
8943 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
8945 * data/glr.c (yyrecoverSyntaxError, yyreturn):
8946 Don't invoke destructor on unresolved entries.
8947 * tests/glr-regression.at
8948 (User destructor for unresolved GLR semantic value): New test case.
8949 Problem reported by Joel E. Denny in:
8950 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
8952 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
8954 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
8956 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
8957 lib-prefix.m4, po.m4.
8959 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
8960 in yydestruct diagnostic, since it might not be an error.
8961 Problem reported by Joel Denny near end of
8962 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
8963 * data/lalr1.cc (yyerturn): Likewise.
8964 * data/yacc.c (yyreturn): Likewise.
8965 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
8967 * src/files.c: Remove obsolete FIXME comment.
8969 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
8970 with the other templates, and to fix bogus run-on messages such
8971 as the one reported at the end of
8972 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
8973 All callers changed to avoid the newline.
8974 (yyprocessOneStack): Output two lines rather than one, to accommodate
8975 the above change. This changes the debug output format slightly.
8977 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
8978 reported by Joel E. Denny in
8979 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
8981 * tests/glr-regression.at (Duplicate representation of merged trees):
8982 New test, from Joel E. Denny in:
8983 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
8984 * THANKS: Add Joel E. Denny.
8986 * configure.ac (AC_INIT): Bump to 2.0c.
8988 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
8990 * NEWS: Version 2.0b.
8992 * Makefile.am (SUBDIRS): Put examples before tests, so that
8993 "make check" doesn't finish with "All 1 tests passed".
8995 * tests/regression.at (Token definitions): Don't rely on
8996 AT_PARSER_CHECK for data that contains backslashes. It currently
8997 uses 'echo', and 'echo' isn't portable if its argument contains
8998 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
8999 that the byte '\0xff' is not printable in the C locale; it is,
9000 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
9001 not printable, so use '\0x81' to test.
9003 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
9004 version of GCC, since the macro is used with non-GCC compilers.
9006 Fix core dump reported by Pablo De Napoli in
9007 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
9008 * tests/regression.at (Invalid inputs with {}): New test.
9009 * src/parse-gram.y (token_name): Translate type before using
9012 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
9013 the user's name space. All uses changed to __attribute__
9015 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
9016 Add __attribute__ ((__noreturn__)).
9018 * etc/clcommit: Remove. We weren't using it, and it failed
9019 "make maintainer-distcheck".
9020 * Makefile.maint: Merge from coreutils.
9021 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
9022 (syntax-check-rules): Change list of rules as described below.
9023 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
9024 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
9025 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
9026 (sc_trailing_space): New rules.
9027 (sc_xalloc_h_in_src): Remove.
9028 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
9029 (sc_space_tab, sc_error_exit_success, sc_changelog):
9030 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
9031 (makefile-check, po-check, author_mark_check):
9032 (makefile_path_separator_check, copyright-check):
9033 Use grep -n, to make it easier to find violations.
9034 Use CVS_LIST and CVS_LIST_EXCEPT.
9035 (header_regexp, h_re): Remove.
9037 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
9038 (my-distcheck): Use more-modern GCC flags.
9039 (signatures, %.asc): Remove.
9040 (rel-files, announcement): Remove signatures.
9041 Restore old updating code, even though we don't use it, so
9042 that we're the same as coreutils.
9043 (alpha, beta, major): Depend on news-date-check.
9044 Make the upload commands.
9046 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
9047 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
9048 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
9049 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
9050 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
9051 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
9052 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
9053 * tests/sets.at: Likewise.
9055 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
9056 we comment out the Autoconf version number.
9057 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
9058 it's error-prone and "make maintainer-distcheck" rejects it.
9060 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
9061 Indent calls to "error" to pacify "make maintainer-distcheck",
9062 when the calls are not intended to be translated.
9063 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
9065 * src/Makefile.am (DEFS): Use +=, to pacify
9066 "make maintainer-distcheck".
9067 (bison_SOURCES): Add scan-skel.h.
9068 (sc_tight_scope): New rule, from coreutils.
9070 * src/files.c (src_extension, header_extension):
9071 Now static, not extern.
9072 * src/getargs.c (short_options): Likewise.
9073 * src/muscle_tab.c (muscle_table): Likewise.
9074 * src/parse-gram.y (current_class, current_type, current_prec):
9076 * src/reader.c (grammar_end, previous_rule_end): Likewise.
9077 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
9078 * src/main.c (main): Cast bindtextdomain and textdomain calls to
9079 void, to avoid warning when NLS is disabled.
9080 * src/output.c: Include scan-skel.h.
9081 (scan_skel): Remove decl, since scan-skel.h does this.
9083 Indent calls to "error" to pacify "make maintainer-distcheck".
9084 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
9085 * src/reader.h (gram_end, gram_lineno): New decls to pacify
9086 "make maintainer-distcheck".
9087 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
9088 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
9089 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
9090 (skel_lex_destroy, scan_skel): Move these decls to...
9091 * src/scan-skel.h: New file.
9092 * src/uniqstr.c (uniqstr_assert):
9093 Indent calls to "error" to pacify "make maintainer-distcheck".
9095 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
9098 * tests/torture.at: Revamp to avoid misuse of atoi that
9099 "make maintainer-distcheck" complained about.
9101 * examples/extexi (message): Don't print a message more than once,
9102 and omit line-number decoration that makes Emacs compile think
9103 that informative messages are worth worrying about.
9105 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
9107 * configure.ac: Update version number.
9109 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
9111 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
9112 autogenerated by the maintainer.
9113 * examples/calc++/.cvsignore: Add *.yy.
9115 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
9116 * lib/bitset_stats.c (bitset_stats_init): Likewise.
9117 * lib/bitsetv.c (bitsetv_alloc): Likewise.
9119 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
9121 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
9122 from maintainer-distcheck about casting the argument of 'free'.
9124 * NEWS: Mention recent yytname changes.
9125 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
9127 * bootstrap: For translations that have not yet been upgraded to
9128 the new runtime-po domain, prime the pump by extracting the
9129 relevant strings from the obsolete translations. This code can be
9130 removed once the bison-runtime domain has been translated by each
9133 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
9134 now that token names are already quoted.
9136 Fix problem reported by Anthony Heading.
9137 * data/glr.c (YYTOKEN_TABLE): New macro.
9138 (yytname): Define if YYTOKEN_TABLE.
9139 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
9140 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
9141 (YYERROR_VERBOSE): Define the same way the other skeletons do.
9142 * src/output.c (prepare_symbols): Output token_table_flag.
9144 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
9146 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
9147 again if the first call fails.
9149 * data/glr.c (yytnamerr): New function.
9150 (yyreportSyntaxError): Use it to dequote most string literals.
9151 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
9152 with other skeletons. All uses changed.
9153 (yytnameerr_): New function.
9154 (yyreport_syntax_error): Use it to dequote most string literals.
9155 * data/yacc.c (yytnamerr): New function.
9156 (yyerrlab): Use it to decode most string literals.
9157 * doc/bison.texinfo (Decl Summary, Calling Convention):
9158 Clarify quoting convention of yytname.
9159 * src/output.c (prepare_symbols): Quote all names. This undoes
9160 the 2005-04-17 change, which is now accomplished (mostly) via
9161 changes in the parsers as described above.
9162 * tests/regression.at (Token definitions, Web2c Actions):
9163 Undo most 2005-04-17 change here, too.
9165 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
9167 Fix more problems reported by twlevo@xs4all.nl.
9168 * tests/cxx-type.at: Don't pipe output of ./types through sed to
9169 remove trailing spaces. This loses the exit status of ./types,
9170 and isn't needed since ./types shouldn't be emitting trailing
9172 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
9173 as the stack isn't valid in that case.
9175 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
9176 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
9177 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
9178 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
9180 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
9181 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
9182 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
9185 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
9186 overly-picky compilers that reject 'char *foo = "bar";'.
9188 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
9189 to FILE * parameter, not to stderr. This fixes a typo introduced
9190 in the 2005-07-12 change.
9192 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
9193 warnings from GCC 4.
9195 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
9196 (yyglrShiftDefer, yysplitStack):
9197 Remove unused parameters b4_pure_formals. All uses changed.
9198 (yyglrShift): Remove unused parameters b4_user_formals.
9200 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
9202 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
9204 Destructor cleanups and regularization among the three skeletons.
9205 * NEWS: Document the behavior changes.
9206 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
9207 stack before failing, as the cleanup code will do it for us now.
9208 * data/lalr1.cc (yyerrlab): Likewise.
9209 * data/glr.c (yyparse): Pop everything off the stack before
9210 freeing it, so that destructors get called properly.
9211 * data/lalr1.cc (yyreturn): Likewise.
9212 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
9213 This is more consistent.
9214 * doc/bison.texinfo (Destructor Decl): Mention more reasons
9215 why destructors might be called. 1.875 -> 2.1.
9216 (Destructor Decl, Decl Summary, Table of Symbols):
9217 Some English-language cleanups for %destructor.
9218 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
9219 Add output line for destructor of start symbol.
9220 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
9221 because of that same extra output line.
9223 * NEWS: Document minor wording changes in diagnostics of
9224 Bison-generated parsers.
9225 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
9226 Remove unused formals. All uses changed.
9227 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
9228 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
9229 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
9230 Rename yyoverflowab to yyexhaustedlab.
9231 When memory exhaustion occurs during syntax-error reporting,
9232 report it separately rather than in a single diagnostic; this
9234 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
9235 (Memory Exhausted): Renamed from Parser Stack Overflow.
9236 Revamp wording slightly to prefer "memory exhaustion".
9237 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
9239 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
9241 Add i18n support to the GLR skeleton. Partially fix the C++
9242 skeleton; a C++ expert needs to finish this. Remove debugging
9243 msgids; there's little point to having them translated, since they
9244 can be understood only by someone who can read the
9245 (English-language) source code.
9247 Generate runtime-po/bison-runtime.pot automatically, so that we
9248 don't have to worry about garbage getting in that file. We'll
9249 make sure after the next official release that old msgids don't
9251 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
9253 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
9255 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
9256 Fix typos in explanations of the runtime file.
9257 * bootstrap: Change gettext keyword from YYI18N to YY_.
9258 Use standard Makefile.in.in in runtime-po, since we'll arrange
9259 for backward-compatible bison-runtime.po files in a different way.
9260 * data/glr.c (YY_): New macro, from yacc.c.
9261 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
9262 Translate messages intended for users.
9263 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
9264 the wording in the other skeletons. We don't know that the memory
9266 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
9267 Use same method that yacc.c uses.
9268 Don't translate debugging messages.
9269 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
9270 it doesn't work (yet), and requires C++ expertise to fix.
9271 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
9272 Move defn to a more logical place, to be consistent with other
9274 Don't translate debugging messages.
9275 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
9276 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
9277 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
9278 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
9280 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
9281 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
9283 * tests/glr-regression.at (Badly Collapsed GLR States):
9285 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9286 yylex should return 0 at EOF rather than aborting.
9288 Improve tests for stack overflow in GLR parser.
9289 Problem reported by twlevo@xs4all.nl.
9290 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
9292 (yyStackOverflow): Just longjmp, but with value 2 so that caller
9293 can handle the problem.
9294 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
9295 (yyparse): New local variable yyresult to record the result.
9296 Use result of setjmp to set it, rather than storing itinto
9298 (yyDone): Remove label.
9299 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
9300 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
9301 if YYABORT is used).
9302 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
9303 yyparse status; put status > 1 into diagnostic.
9304 Check that status==2 works.
9305 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
9306 Use exit status 3 for failure to open (which shouldn't happen).
9308 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
9310 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
9311 1 on syntax error; just let yyparse do its thing.
9312 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
9313 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
9314 (Exploding the Stack Size with Alloca):
9315 (Exploding the Stack Size with Malloc):
9316 Expect exit status 2, not 1, since the parser is supposed to blow
9317 its stack. Problem reported by twlevo@xs4all.nl.
9319 * data/glr.c (yyparse): Don't assume that the initial calls
9320 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
9321 Print a stack-overflow message and fail instead.
9322 Initialize the line-number information before creating the stack,
9323 so that the stack-overflow message can report line zero safely.
9325 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
9327 Fix problems reported by twlevo@xs4all.nl.
9328 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
9329 (yyuserMerge): Provide a default case if b4_mergers is empty.
9330 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
9331 * tests/glr-regression.at
9332 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9333 Add casts to pacify C++ compilers.
9334 * tests/glr-regression.at (Improper merging of GLR delayed action
9335 sets): Declare yylex before using it.
9336 * tests/Makefile.am (maintainer-check-g++): Fix a stray
9337 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
9338 test for valgrind; valgrind is independent of g++.
9339 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
9340 for compatibility with POSIX 1003.1-2001 (if running coreutils).
9341 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
9342 Use a destructor, so that we can expand the stack. Change
9343 YYSTYPE to char * so that we can free it. Cast result of malloc.
9345 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9347 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
9348 a valgrind failure. Problem reported by twlevo@xs4all.nl.
9350 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
9352 * PACKAGING: New file, suggested by Bruno Haible and taken from
9353 similar wording in gettext's PACKAGING file.
9354 * NEWS: Mention PACKAGING.
9355 * Makefile.am (EXTRA_DIST): Add PACKAGING.
9357 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
9359 * NEWS: Document recent i18n improvements.
9360 * bootstrap: Get runtime translations into runtime-po.
9361 Create runtime-po files automatically, if possible.
9362 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
9363 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
9364 does not infringe on the user's name space.
9365 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
9366 * doc/bison.texinfo (Internationalization): Revamp the English
9367 and Texinfo syntax a bit, to try to make it clearer.
9368 (Bison Options, Option Cross Key): Mention --print-localedir.
9369 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
9370 YYENABLE_NLS. Quote a bit more.
9371 * runtime-po/.cvsignore: New file.
9372 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
9373 * runtime-po/Rules-quot: Remove; now created by bootstrap.
9374 * runtime-po/quot.sed: Likewise.
9375 * runtime-po/boldquot.sed: Likewise.
9376 * runtime-po/en@quot.header: Likewise.
9377 * runtime-po/en@boldquot.header: Likewise.
9378 * runtime-po/insert-header.sin: Likewise.
9379 * runtime-po/remove-potcdate.sin: Likewise.
9380 * runtime-po/Makevars: Likewise.
9381 * runtime-po/LINGUAS: Likewise.
9382 * runtime-po/de.po: Likewise; we will rely on the translation project
9383 to maintain this, so "bootstrap" should get it.
9384 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
9386 * src/main.c (main): Bind the bison-runtime domain, too.
9388 2005-07-12 Bruno Haible <bruno@clisp.org>
9390 * data/yacc.c: Include <libintl.h> when NLS is enabled.
9391 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
9392 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
9393 * runtime-po: New directory.
9394 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
9395 $(DOMAIN).pot-update rule, so that old messages are never dropped.
9396 * runtime-po/Rules-quot: New file, copied from po/.
9397 * runtime-po/quot.sed: Likewise.
9398 * runtime-po/boldquot.sed: Likewise.
9399 * runtime-po/en@quot.header: Likewise.
9400 * runtime-po/en@boldquot.header: Likewise.
9401 * runtime-po/insert-header.sin: Likewise.
9402 * runtime-po/remove-potcdate.sin: Likewise.
9403 * runtime-po/Makevars: New file.
9404 * runtime-po/POTFILES.in: New file.
9405 * runtime-po/LINGUAS: New file.
9406 * runtime-po/bison-runtime.pot: New file.
9407 * runtime-po/de.po: New file.
9408 * m4/bison.m4: New file.
9409 * Makefile.am (SUBDIRS): Add runtime-po.
9410 (aclocaldir, aclocal_DATA): New variables.
9411 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
9413 * src/getargs.c (usage): Document --print-localedir option.
9414 (PRINT_LOCALEDIR_OPTION): New enum item.
9415 (long_options): Add --print-localedir option.
9416 (getargs): Handle --print-localedir option.
9417 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
9418 (Internationalization): New section.
9420 2005-07-12 Akim Demaille <akim@epita.fr>
9422 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
9423 for consistency with the rest of the code.
9424 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
9427 2005-07-12 Akim Demaille <akim@epita.fr>
9429 * src/parse-gram.y: Use %printer instead of YYPRINT.
9431 2005-07-12 Akim Demaille <akim@epita.fr>
9433 * src/symtab.h, src/symtab.c (symbol_print): New.
9434 * src/symlist.h, src/symlist.c (symbol_list_print): New.
9435 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
9437 2005-07-12 Akim Demaille <akim@epita.fr>
9439 * data/glr.c (b4_syncline): Fix (swap) the definitions of
9440 b4_at_dollar and b4_dollar_dollar.
9442 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
9444 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
9445 and Pennello's paper.
9447 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
9449 * data/yacc.c (yyparse): Undo previous patch. Instead,
9450 set yylsp[0] and yyvsp[0] only if the initial action
9451 sets yylloc and yylval, respectively.
9453 * data/yacc.c (yyparse): In the initial action, set
9454 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
9455 This avoids the use of undefined variables if the initial
9456 action does not set yylloc and/or yylval.
9458 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
9460 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
9461 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
9462 Remove from CVS. These files are automatically generated.
9463 * examples/extexi: Clarify that this file is now part of Bison,
9464 not GNU M4, and that it works with any POSIX-compatible Awk.
9465 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
9466 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
9467 so that we also get calc++-parser.yy. Geneate it.
9468 Use $(AWK), not gawk, since any conforming Awk will do.
9469 Put comment before action, since older 'make' can't handle comment
9471 $(BUILT_SOURCES): List all built sources, not just some of them.
9472 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
9473 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
9474 $($(calc_sources_generated)): Remove unnecessary test for existence
9475 of target. (This had a shell syntax error anyway; a stray "x".)
9476 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
9478 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
9480 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
9481 implied by the other modules.
9483 2005-07-06 Akim Demaille <akim@epita.fr>
9485 Bind examples/calc++ to the package.
9486 * examples/calc++/Makefile: Remove, replaced by...
9487 * examples/calc++/Makefile.am: ... this new file.
9488 * examples/calc++/test: Remove input.
9489 * examples/calc++/compile: Remove.
9490 * examples/Makefile.am: New.
9491 * configure.ac, Makefile.am: Adjust.
9492 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
9494 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
9496 * data/glr.c (yyFail): Drastically simplify; since the format argument
9497 never had any % directives, we can simply pass it to yyerror.
9498 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
9499 be modified later, as that is the usual style in glr.c.
9500 Problems reported by Paul Hilfinger.
9502 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
9503 and size overflow errors.
9504 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
9505 in case the user prolog sets feature-test macros like _GNU_SOURCE.
9506 (YYSIZEMAX): New macro.
9507 (yystpcpy): New function, taken from yacc.c.
9508 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
9509 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
9510 so that we don't have to maintain their signatures.
9511 (yyFail): Check for buffer overflow, by using vsnprintf rather
9512 than vsprintf. Allocate a bigger buffer if possible.
9513 Report an error if buffer allocation fails.
9514 (yyStackOverflow): New function.
9515 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
9516 the initialization was successful. It might fail if storage was
9518 (yyexpandGLRStack): Add more checks for storage allocation failure.
9519 Use yyStackOverflow to report failures.
9520 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
9521 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
9522 Don't assume stack number fits in int.
9523 (yysplitStack): Check for storage allocation failure.
9524 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
9525 can print diagnostics on storage allocation failure. All callers
9527 (yyresolveValue): Use yybool for boolean.
9528 (yyreportSyntaxError): Check for size-calculation overflow.
9529 This code is taken from yacc.c.
9530 (yyparse): Check for storage allocation errors when allocating
9533 2005-07-05 Akim Demaille <akim@epita.fr>
9535 Extract calc++ from the documentation.
9536 * doc/bison.texinfo (Calc++): Add the extraction marks.
9537 * examples/extexi: New, from the aborted GNU Programming 2E.
9538 Separate the different paragraph of a file with empty lines.
9539 * examples/Makefile: Use it to extract the whole calc++ example.
9541 2005-06-24 Akim Demaille <akim@epita.fr>
9543 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
9546 2005-06-22 Akim Demaille <akim@epita.fr>
9548 * doc/bison.texinfo (C++ Language Interface): First stab.
9549 (C++ Parsers): Remove.
9551 2005-06-22 Akim Demaille <akim@epita.fr>
9553 * data/lalr1.cc (yylex_): Honor %lex-param.
9555 2005-06-22 Akim Demaille <akim@epita.fr>
9557 Start a set of simple examples.
9558 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
9559 * examples/calc++/calc++-driver.hh,
9560 * examples/calc++/calc++-parser.yy,
9561 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
9562 * examples/calc++/compile, examples/calc++/test: New.
9564 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
9566 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
9567 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
9568 which stems from the 2005-05-27 patch.
9570 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9572 * data/glr.c: Modify treatment of unused parameters to permit use
9573 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
9575 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
9577 Fix infringement on user name space reported by Janos Zoltan Szabo.
9578 * data/yacc.c (yyparse): strlen -> yystrlen.
9580 2005-05-30 Akim Demaille <akim@epita.fr>
9582 * data/lalr1.cc (_): New.
9583 Translate the various messages.
9585 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
9587 Fix infringement on user name space reported by Bruno Haible.
9588 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
9589 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
9590 the user's name space.
9591 (alloca): Include <stdlib.h> to get it, if it's not built in.
9592 (YYMALLOC, YYFREE): Define only if needed.
9593 (malloc, free): Declare, but only if needed, as this infringes on
9594 the user name space.
9596 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
9598 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
9599 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
9601 * lib/ebitset.c (min, max): Undef before defining.
9602 * lib/vbitset.c (min, max): Likewise.
9603 * lib/subpipe.c (create_subpipe): Save local variables in case
9604 vfork clobbers them.
9606 2005-05-24 Bruno Haible <bruno@clisp.org>
9608 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
9609 error message syntax used by gcc-4.0.
9611 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
9613 * README: Mention m4 1.4.3. Remove obsolete advice about
9614 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
9616 * bootstrap: Remove workaround for problem I encountered with
9617 gettext 0.14.1; it seems to be fixed now.
9619 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
9621 * NEWS: Version 2.0a.
9623 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
9624 the previous change.
9626 Various maintainer cleanups.
9627 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
9628 conftest*, for benefit of CVS commands run at the same time as
9629 "configure". Add build-aux, since "bootstrap" now creates it and
9631 * Makefile.cfg (move_if_change): Remove.
9632 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
9633 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
9634 (po_repo, do-po-update, po-update, wget_files, get-targets):
9635 (config.guess-url_prefix, config.sub-url_prefix):
9636 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
9637 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
9638 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
9640 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
9641 this is now the recommended name.
9642 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
9643 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
9644 ylwrap. These files now go into build-aux.
9645 * config/move-if-change: Remove.
9646 * config/prev-version.txt: Bump from 1.75 to 2.0.
9648 * bootstrap: Add stdio-safer, unistd-safer modules.
9649 Remove m4/glibc2.m4 (introduced by latest gnulib, but
9651 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
9652 fopen-safer.c, stdio-safer.h, unistd-safer.h.
9653 * lib/subpipe.c: Include "unistd-safer.h".
9654 (create_subpipe): Make sure all the newly-created
9655 file descriptors are > 2, so that diagnostics don't
9656 get sent down them (which might cause Bison to hang, in theory).
9657 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
9658 * src/files.c (xfopen): Use fopen_safer, not fopen.
9660 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
9661 yesterday's yacc.c fix.
9663 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
9665 * data/glr.c, data/lalr1.cc: Update copyright date.
9667 Fix a destructor bug reported by Wolfgang Spraul in
9668 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
9669 * data/yacc.c (yyabortlab): Don't call destructor, and
9670 don't set yychar to EMPTY.
9671 (yyoverflowlab): Don't call destructor.
9672 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
9673 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
9674 since we no longer output the message "discarding lookahead token
9677 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9679 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
9680 fix a small glitch in debugging output.
9681 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
9682 after YY_SYMBOL_PRINT where needed.
9684 (struct yyGLRState): Add some comments.
9685 (struct yySemanticOption): Add some comments.
9686 (union yyGLRStackItem): Add comment.
9688 (yymergeOptionSets): Correct this to properly perform the union,
9689 avoiding infinite reported by Michael Rosien.
9692 * tests/glr-regression.at: Add test for GLR merging error reported
9695 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
9697 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
9698 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
9699 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
9700 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
9701 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
9702 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
9703 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
9704 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
9705 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
9706 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
9707 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
9708 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
9709 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
9710 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
9711 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
9712 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
9713 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
9714 src/derives.h, src/files.c, src/files.h, src/getargs.c,
9715 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
9716 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
9717 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
9718 src/output.h, src/parse-gram.c, src/parse-gram.h,
9719 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
9720 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
9721 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
9722 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
9723 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
9724 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
9725 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
9726 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
9727 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
9728 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
9729 tests/reduce.at, tests/regression.at, tests/sets.at,
9730 tests/synclines.at, tests/testsuite.at, tests/torture.at:
9731 Update FSF postal mail address.
9733 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
9735 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
9736 Problem reported by Ralf Menzel.
9738 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
9740 * tests/actions.at: Test that stack overflow invokes destructors.
9741 From Marcus Holland-Moritz.
9742 * data/yacc.c (yyerrlab): Move the code that destroys the stack
9744 (yyreturn): to here. That way, destructors are called properly
9745 even if the stack overflows, or the user calls YYACCEPT or
9746 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
9747 (yyoverflowlab): Destroy the lookahead.
9749 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
9751 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
9753 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
9755 * NEWS: Bison-generated C parsers no longer quote literal strings
9756 associated with tokens.
9757 * src/output.c (prepare_symbols): Don't escape strings,
9758 since users don't want to see C escapes.
9759 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
9761 * tests/input.at (Torturing the Scanner): Likewise.
9762 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
9764 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
9766 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
9767 the data size is known to be too small and we can't increase it.
9768 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
9770 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
9772 * src/parse-gram.y: Include quotearg.h.
9773 (string_as_id): Quote $1 before using it as a key, since the
9774 lexer no longer quotes it for us.
9775 (string_content): Don't strip quotes, since lexer no longer
9777 * src/scan-gram.l: Include quotearg.h.
9779 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
9780 a key, since the rest of the lexer doesn't quote it.
9781 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
9782 * tests/regression.at (Token definitions): Check for backslashes
9785 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
9786 (YYSIZE_T): Define to unsigned long int when using an older compiler.
9787 (yyparse): Revamp code to generate long syntax error message, to
9788 make it easier to translate, and to avoid problems with arithmetic
9789 overflow. Change "virtual memory" to "memory" in diagnostic, since
9790 we don't know whether the memory is virtual.
9792 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
9794 * NEWS: Bison-generated C parsers now use the _ macro to
9796 * data/yacc.c (_) [!defined _]: New macro.
9797 All English strings wrapped inside this macro.
9798 * doc/bison.texinfo (Bison Parser): Document _.
9799 * po/POTFILES.in: Include src/parse-gram.c, since it now
9800 includes translateable strings that parse-gram.y doesn't.
9802 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
9804 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
9805 reverting the 2004-10-11 change to this function.
9806 (symbol_check_alias_consistency): Don't call symbol_type_set
9807 if the type name is already correct.
9808 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
9810 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
9812 * tests/regression.at (Token definitions): Don't use a token named
9813 c, as that generates a "#define c ..." that runs afoul of buggy
9814 stdlib.h that uses the identifier c as a member of struct
9815 drand48_data. Problem reported by Horst Wente.
9817 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
9819 * bootstrap: Change translation URL from
9820 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
9821 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
9822 redirection glitches. Problem reported by twlevo@xs4all.nl.
9824 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
9826 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
9827 after operands; POSIX says this isn't portable for the c99 command.
9829 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
9831 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
9832 immediately if a data overrun has occurred; this may help us track
9833 down what may be a spurious failure on MacOS.
9835 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
9837 Respond to problems reported by twlevo@xs4all.nl.
9839 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
9841 * src/vcg.h: Comment fix.
9842 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
9843 (G_CMAX): Change to -1 instead of INT_MAX.
9845 * data/yacc.c (yyparse): Omit spaces before #line.
9847 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
9849 * src/tables.c (state_number_to_vector_number): Put it inside an
9850 "#if 0", since it's not currently used. Problem reported by
9853 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
9855 * src/output.c (escaped_output): Renamed from
9856 escaped_file_name_output, since we now use it for symbol tags as
9857 well. All uses changed.
9858 (symbol_destructors_output, symbol_printers_output):
9859 Escape symbol tags too.
9860 Problem reported by Matyas Forstner in
9861 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
9863 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
9865 * src/output.c (user_actions_output, token_definitions_output,
9866 symbol_destructors_output, symbol_printers_output): Likewise.
9867 * src/reader.c (prologue_augment): Likewise.
9868 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
9870 * src/vcg.c (output_edge): Don't quote linestyle arg.
9871 Problem reported by twlevo@xs4all.nl.
9873 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
9875 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
9876 example, reported by Derek M Jones. Also, make the example even
9877 more outrageous, to better illustrate how bad the problem is.
9879 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
9881 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
9882 putsym. Typo reported by Sebastian Piping.
9884 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
9886 * doc/bison.texinfo (Language and Grammar): some -> same
9887 (Epilogue): int he -> in the
9888 Typos reported by Sebastian Piping via Justin Pence.
9890 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
9892 * tests/glr-regression.at (Improper handling of embedded actions
9893 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
9894 embedded actions and $-N in GLR parsers", work around an Autoconf bug
9895 with dollar signs in test names.
9896 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
9897 for a similar reason.
9899 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
9901 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
9902 wants to redefine G_VIEW.
9904 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
9906 * src/vcg.c (get_view_str): Remove case for normal_view.
9907 Problem reported by twlevo@xs4all.nl.
9909 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
9911 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
9912 Problem reported by twlevo@xs4all.nl.
9914 * doc/bison.texinfo: Change @dircategory from "GNU programming
9915 tools" to "Software development". Requested by Richard Stallman
9918 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
9920 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
9921 Problem reported by twlevo@xs4all.nl.
9923 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
9925 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
9926 keyword; it's not needed with modern compilers, and it doesn't
9927 affect correctness with older compilers. Suggested by
9930 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
9932 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
9933 gcc -Wswitch-default.
9934 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
9935 * data/yacc.c (yyparse): Likewise.
9937 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
9939 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
9940 already. Let config.h define any nonstandard values.
9942 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
9944 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
9945 for the benefit of slower hosts. Problem reported by
9948 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
9950 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
9951 being defined and not used.
9952 * data/lalr1.cc (yyparse): Likewise.
9953 Use "if (false)" rather than "if (0)".
9955 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
9957 * TODO: Mention that we should allow NUL bytes in tokens.
9959 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
9961 * src/scan-skel.l (<<EOF>>): Don't close standard output.
9962 Problem reported by Hans Aberg.
9964 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
9966 * src/getargs.c (version): Happy new year; update overall
9967 program copyright date from 2004 to 2005.
9969 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
9970 Problem reported by Hans Aberg.
9971 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
9972 (Output file names.): Add a test for the case when standard output
9975 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
9977 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
9978 to fix an oversight in the Bison 2.0 manual.
9980 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
9982 * NEWS: Version 2.0. Reformat the existing news items since
9983 1.875, so that related items are grouped together.
9984 * configure.ac (AC_INIT): Bump version to 2.0.
9985 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
9987 * tests/torture.at (Exploding the Stack Size with Alloca): Set
9988 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
9989 otherwise, we're not testing alloca. Unfortunately there's no
9990 simple way to consult HAVE_ALLOCA here.
9992 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
9995 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
9996 hand. This avoids a warning about comparing int to size_t when
9997 GCC warnings are enabled.
9999 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
10001 * NEWS: Bison-generated parsers no longer default to using the
10002 alloca function (when available) to extend the parser stack, due
10003 to widespread problems in unchecked stack-overflow detection.
10004 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
10005 responsibility to set it to a positive value. This lets the user
10006 specify a value that is not a preprocessor constant.
10007 * data/yacc.c (YYMAXDEPTH): Likewise.
10008 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
10009 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
10010 to be a compile-time constant. However, explain the constraints on it.
10011 Also, explain the constraints on YYINITDEPTH.
10012 (Table of Symbols): Explain that alloca is no longer the default.
10013 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
10016 * doc/bison.texinfo (Location Default Action): Mention that n must
10017 be zero when k is zero. Suggested by Frank Heckenbach.
10019 2004-12-22 Akim Demaille <akim@epita.fr>
10021 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
10022 (parser::state_type, parser::semantic_type, parser::location_type):
10023 Private, not public.
10024 (parser::parse): Return ints, not bool.
10025 Returning a bool introduces a problem: 0 corresponds to false, and
10026 it seems weird to return false on success. Returning true changes
10027 the conventions for yyparse.
10028 Alternatively we could return void and send an exception.
10029 There is no clear consensus (yet?).
10030 (state_stack, semantic_stack, location_stack): Rename as...
10031 (state_stack_type, semantic_stack_type, location_stack_type): these.
10032 Private, not public.
10033 * tests/c++.at: New.
10034 * tests/testsuite.at, tests/Makefile.am: Adjust.
10036 2004-12-21 Akim Demaille <akim@epita.fr>
10038 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
10040 2004-12-21 Akim Demaille <akim@epita.fr>
10042 Don't impose std::string for filenames.
10044 * data/lalr1.cc (b4_filename_type): New.
10045 (position::filename): Use it.
10046 (parser.hh): Move the inclusion of stack.hh and location.hh below
10047 the user code, so that needed headers for the filename type can be
10049 Forward declare them before the user code.
10050 * tests/Makefile.am (check-local, installcheck-local): Pass
10051 TESTSUITEFLAGS to the TESTSUITE.
10053 2004-12-20 Akim Demaille <akim@epita.fr>
10055 Use more STL like names: my_class instead of MyClass.
10057 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
10058 (SemanticStack, SemanticType, StateStack, StateType)
10059 (TokenNumberType, Stack, Slice, Traits, Parser::location)
10060 (Parser::value): Rename as...
10061 (location_stack, location_type, rhs_number_type, semantic_stack)
10062 (semantic_type, state_stack, state_type, token_number_type, stack)
10063 (slice, traits, parser::yylloc, parser::yylval): these.
10065 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
10067 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
10069 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
10070 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
10072 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
10074 Remove uses of 'short int' and 'unsigned short int'. This raises
10075 some arbitrary limits. It uses more memory but nowadays that's
10076 not much of an issue.
10078 This change does not affect the generated parsers; that's a different
10079 task, as some users will want to conserve memory there.
10081 Ideally we should use size_t to represent all object counts, and
10082 something like ptrdiff_t to represent signed differences of object
10083 counts; but that will require more code-cleanup than I have the
10084 time to do right now.
10086 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
10087 Use size_t, not int or short int, to count objects.
10088 * src/closure.c (nritemset, closure): Likewise.
10089 * src/closure.h (nritemset, closure): Likewise.
10090 * src/nullable.c (nullable_compute): Likewise.
10091 * src/print.c (print_core): Likewise.
10092 * src/print_graph.c (print_core): Likewise.
10093 * src/state.c (state_compare, state_hash): Likewise.
10094 * src/state.h (struct state): Likewise.
10095 * src/tables.c (default_goto, goto_actions): Likewise.
10097 * src/gram.h (rule_number, rule): Use int, not short int.
10098 * src/output.c (prepare_rules): Likewise.
10099 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
10100 errs, reductions): Likewise.
10101 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
10103 * src/tables.c (vector_number, tally, action_number,
10104 ACTION_NUMBER_MINIMUM): Likewise.
10105 * src/output.c (muscle_insert_short_int_table): Remove.
10107 2004-12-17 Akim Demaille <akim@epita.fr>
10109 * data/lalr1.cc: Extensive Doxygenation.
10110 (error_): Rename as...
10111 (error): this, since it is visible to the user.
10113 (Parser::message): Now an automatic variable from...
10114 (Parser::yyreport_syntax_error_): here.
10115 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
10117 * tests/input.at: Escape $.
10119 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
10121 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
10122 Parenthesize rhs to avoid obscure problems with mistakes like
10123 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
10124 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
10125 b4_rhs_location): Likewise.
10126 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
10127 b4_rhs_location): Likewise.
10129 2004-12-16 Akim Demaille <akim@epita.fr>
10131 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
10132 yacc.c: be sure to stay within yycheck_.
10133 * tests/actions.at: Re-enable C++ tests.
10135 2004-12-16 Akim Demaille <akim@epita.fr>
10137 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
10140 2004-12-16 Akim Demaille <akim@epita.fr>
10142 Use #define to handle the %name-prefix.
10144 * data/glr.c, data/yacc.c: Comment changes.
10145 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
10146 so that one can refer to yylex in the parser file, and have it
10147 renamed, as is the case with other skeletons.
10149 2004-12-16 Akim Demaille <akim@epita.fr>
10151 Move lalr1.cc internals into yy*.
10153 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
10154 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
10155 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
10156 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
10157 (empty_, final_, terror_, errcode_, ntokens_)
10158 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
10159 (looka_, ilooka_, error_range_, nerrs_):
10161 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
10162 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
10163 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
10164 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
10165 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
10166 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
10167 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
10168 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
10171 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
10173 Fix some problems reported by twlevo at xs4all.
10174 * src/symtab.c (symbol_new): Report an error if the input grammar
10175 contains too many symbols. This is better than calling abort() later.
10176 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
10177 (struct node, struct graph):
10178 Rename member expand to stretch. All uses changed.
10179 (struct graph): Remove member layoutalgorithm. All uses removed.
10180 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
10181 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
10183 (N_STRETCH): Rename from N_EXPAND. All uses changed.
10185 2004-12-15 Akim Demaille <akim@epita.fr>
10187 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
10188 Add more Doxygen comments.
10189 (symprint_, stack_print_, reduce_print_, destruct_, pop)
10190 (report_syntax_error_, translate_): Rename as...
10191 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
10192 (yypop_, yyreport_syntax_error_, yytranslate_): this.
10194 2004-12-15 Akim Demaille <akim@epita.fr>
10196 * data/lalr1.cc (lex_): Rename as...
10198 Move the trace here.
10199 Take the %name-prefix into account.
10200 Reported by Alexandre Duret-Lutz.
10202 2004-12-15 Akim Demaille <akim@epita.fr>
10204 Simplify the C++ parser constructor.
10206 * data/lalr1.cc (debug_): Rename as...
10207 (yydebug_): so that the parser's internals are always in the yy*
10210 (b4_parse_param_decl): Remove the leading comma as it is now only
10211 called as unique argument list.
10212 (Parser::Parser): Remove the constructor accepting a location and
10213 an initial debugging level.
10214 Remove from the other ctor the argument for the debugging level.
10215 (debug_level_type, debug_level, set_debug_level): New.
10217 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
10220 2004-12-15 Akim Demaille <akim@epita.fr>
10222 Remove b4_root related material: failure experiment
10223 (which goal was to allow to derive from a class).
10225 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
10226 definitions and uses.
10228 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
10230 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
10231 not 2, since it's not portable to subtract 1 from the start of an
10232 array. The new item 0 is never set or used. All uses changed.
10234 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
10235 the default definition of YYLLOC_DEFAULT. Problem reported
10236 by Frank Heckenbach.
10238 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
10240 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
10241 the normal case and one for the error case. Just use the
10242 first one uniformly. Problem reported by Frank Heckenbach.
10243 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
10244 use exactly the same macro in both places.
10245 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
10246 so that the normal-case YYRHSLOC works for the error case too.
10248 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
10249 (YYLLOC_DEFAULT): Use the same macro as glr.c.
10250 * doc/bison.texinfo (Location Default Action): Don't claim that
10251 we have an array of locations. Use the same macro for both glr
10252 and lalr parsers. Mention YYRHSLOC. Mention what happens when
10255 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10257 * HACKING: Update email addresses to send announcements to.
10259 * configure.ac (AC_INIT): Bump version to 1.875f.
10261 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10263 * NEWS: Version 1.875e.
10264 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
10266 * src/scan-skel.l: Include "complain.h", for "fatal".
10268 * src/relation.h (relation_print, relation_digraph):
10269 Relation sizes are of type relation_node, not size_t (this is
10270 merely a doc fix, since the two types are equivalent).
10271 (relation_transpose): Relation sizes are of type relation_node,
10273 * src/relation.c: Likewise.
10274 (top, infinity): Now of type relation_node, not int.
10275 (traverse, relation_transpose): Use relation_node, not int.
10277 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
10278 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
10279 (yyparse): Remove unused local introduced in 2004-10-25 patch.
10281 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
10282 specifying whether the test should be skipped. Use it tp
10283 specify that the [%defines %skeleton "lalr1.cc"] tests currently
10284 fail on some hosts, and should be skipped.
10286 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
10288 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
10289 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
10290 unless otherwise specified below.
10292 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
10293 to allocate kernel_base, kernel_items, kernel_size, since
10294 they needn't be initialized to 0.
10295 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
10296 * src/closure.c (new_closure): Likewise, for itemset.
10297 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
10298 * src/lalr.c (set_goto_map): Likewise, for temp_map.
10299 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
10300 (build_relations): Likewise for edge, states1, includes.
10301 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
10302 * src/reader.c (packgram): Likewise, for ritem, rules.
10303 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
10304 * src/relation.c (relation_digraph): Likewise for VERTICES.
10305 (relation_transpose): Likewise for new_R, end_R.
10306 * src/symtab.c (symbols_token_translations_init): Likewise for
10307 token_translations.
10308 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
10309 (token_actions): Likewise for yydefact, actrow, conflrow,
10311 (save_column): Likewise for froms[symno], tos[symno].
10312 (goto_actions): Likewise for state_count.
10313 (pack_table): Likewise for base, pos, check.
10314 (tables_generate): Likewise for width.
10316 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
10317 for initial core. Just have a separate core, so we needn't worry
10318 about whether kernel_size and kernel_base are initialized.
10320 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
10321 kernel_size, kernel_items): Remove unnecessary initialization.
10322 * src/conflicts.c (conflicts): Likewise.
10323 * src/derives.c (derives): Likewise.
10324 * src/muscle_tablc (muscle_insert): Likewise.
10325 * src/relation.c (relation_digraph): Likewise.
10326 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
10327 conflrow, conflict_table, conflict_list, table, check):
10330 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
10331 This is because all callers pass unsigned int.
10332 * src/closure.h (new_closure): Likewise.
10334 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
10335 (build_relations): Initialize includes[i] in all cases.
10336 * src/reader.c (packgram): Always initialize rules[ruleno].prec
10337 and rules[ruleno].precsym. Initialize members in order.
10338 * src/relation.c (relation_transpose): Always initialize new_R[i]
10340 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
10342 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
10343 conflict_list[0] was always 0, but now it isn't initialized.
10345 * src/table.c (table_grow): When conflict_table grew, the grown
10346 area wasn't cleared. Fix this.
10348 * lib/.cvsignore: Add strdup.c, strdup.h.
10349 * m4/.cvsignore: Add strdup.m4.
10351 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
10353 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
10354 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
10355 GOTO_NUMBER_MAXIMUM, since we occasionally compute
10356 ngotos + 1 without checking for overflow.
10357 (build_relations): Use END_NODE, not -1, to denote end of edges.
10358 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
10359 build_relations): Use goto_number, not int, for goto numbers.
10360 * src/tables.c (save_column, default_goto): Likewise.
10362 2004-11-23 Akim Demaille <akim@epita.fr>
10364 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
10365 of #defining from yystype.
10366 Don't typedef yystype, C++ does not need it.
10367 This lets it possible to forward declare it as union.
10369 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
10371 * bootstrap (gnulib_modules): Add extensions.
10372 Problem reported by Jim Meyering.
10374 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
10376 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
10377 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
10378 src/system.h, src/tables.c: XFREE -> free, to accommodate
10379 recent change to gnulib xalloc.h.
10380 Problem reported by Jim Meyering.
10382 2004-11-17 Akim Demaille <akim@epita.fr>
10384 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
10386 2004-11-17 Akim Demaille <akim@epita.fr>,
10387 Alexandre Duret-Lutz <adl@gnu.org>
10389 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
10391 (YYCDEBUG): Adjust.
10392 Use it instead of cdebug_.
10393 (Parser::debug_stream, Parser::set_debug_stream): New.
10394 (Parser::symprint_): Define cdebug_ for temporary backward
10396 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
10399 2004-11-17 Akim Demaille <akim@epita.fr>
10401 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
10402 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
10403 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
10404 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
10406 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
10408 * data/glr.c (yyloc_default): Remove; not used.
10409 Problem reported by Frank Heckenbach.
10411 2004-10-25 Akim Demaille <akim@epita.fr>
10413 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
10414 Introduce another definition to address simple location arrays.
10415 (yyGLRStack): New member: yyerror_range.
10416 (yyrecoverSyntaxError, yyparse): Update it.
10417 (yyrecoverSyntaxError): Use it when shifting the error token to
10418 have an accurate range, equivalent to the one computed by both
10419 yacc.c and lalr1.cc.
10420 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
10421 that column numbers start at column 0, as per GNU Coding
10422 Standards, the others tests, and the doc.
10423 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
10424 Adjust to the above change (first column is 0).
10425 And adjust the location of the "<error>", now covering the whole
10428 2004-10-22 Akim Demaille <akim@epita.fr>
10429 and Paul Eggert <eggert@cs.ucla.edu>
10431 Remove some arbitrary limits on goto numbers and relations.
10432 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
10433 initial values, since they're never used.
10434 (set_goto_map): ngotos is now unsigned, so test for overflow
10435 by seeing whether it wraps around to zero.
10436 * src/lalr.h (goto_number): Now size_t, not short int.
10437 (GOTO_NUMBER_MAXIMUM): Remove.
10438 * src/relation.c (relation_print, traverse, relation_transpose):
10439 Check for END_NODE rather than looking at sign.
10440 * src/relation.h (END_NODE): New macro.
10441 (relation_node): Now size_t, not short int.
10443 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
10445 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
10446 keyword, not an identifier. Problem reported by Baron Schwartz in
10447 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
10449 2004-10-11 Akim Demaille <akim@epita.fr>
10451 * src/symtab.c (symbol_check_alias_consistency): Also check
10452 type names, destructors, and printers.
10453 Reported by Alexandre Duret-Lutz.
10454 Recode the handling of associativity and precedence in terms
10455 of symbol_precedence_set.
10456 Accept no redeclaration at all, not even equal to the previous
10458 (redeclaration): New.
10459 Use it to factor redeclaration complaints.
10460 (symbol_make_alias): Don't set the type of the alias, let
10461 symbol_check_alias_consistency do it as for other features.
10462 * src/symtab.h (symbol): Add new member prec_location, and
10464 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
10465 * tests/input.at (Incompatible Aliases): New.
10467 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
10469 .cvsignore fixes to accommodate gnulib changes,
10470 and the practice of naming build directories "_build".
10471 * .cvsignore: Add "_*". Sort.
10472 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
10473 * m4/.cvsignore: Add "*_gl.m4".
10475 2004-10-06 Akim Demaille <akim@epita.fr>
10477 * src/parse-gram.y (add_param): Fix the truncation of trailing
10480 2004-10-05 Akim Demaille <akim@epita.fr>
10482 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
10483 whether the reducion was empty or not. This leaves room to
10484 improve the use of YYLLOC_DEFAULT in such a case.
10485 lalr1.cc is still experimental, so changing this is acceptable.
10486 And finally, there are probably not many users who changed the
10487 handling of locations in GLR, so changing is admissible too.
10489 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
10490 empty reduction, set @$ to an empty location ending the previously
10492 Adjust uses to make sure the code is triggered on empty
10494 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
10495 expected output: empty reductions have empty locations.
10497 2004-09-29 Akim Demaille <akim@epita.fr>
10499 * data/lalr1.cc: Move towards a more standard C++ coding style
10500 for templates: Class < T > -> Class<T>.
10502 2004-09-29 Akim Demaille <akim@epita.fr>
10504 * data/lalr1.cc: Reinstall the former ctor, for sake of
10505 compatibility, but warn it will be removed.
10506 Move towards a more standard C++ coding style (i.e., type *var ->
10509 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
10511 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
10512 since it's less likely to work if NULs are involved in the future.
10514 2004-09-27 Akim Demaille <akim@epita.fr>
10516 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
10518 2004-09-27 Akim Demaille <akim@epita.fr>
10520 * data/lalr1.cc (b4_parse_param_decl_1): New.
10521 (b4_parse_param_decl): Use it to have different names between attribute
10522 and argument names.
10523 (b4_cc_constructor_call): Likewise.
10525 2004-09-24 Akim Demaille <akim@epita.fr>
10527 * src/parse-gram.y (add_param): Strip the leading and trailing
10528 blanks from a formal argument declaration.
10529 (YY_LOCATION_PRINT): New.
10531 2004-09-24 Akim Demaille <akim@epita.fr>
10533 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
10534 after the location.
10536 2004-09-24 Akim Demaille <akim@epita.fr>
10538 * doc/bison.texinfo (Table of Symbols): Sort.
10540 2004-09-21 Akim Demaille <akim@epita.fr>
10542 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
10543 the useless parentheses.
10544 Suggested by Paul Eggert.
10546 2004-09-20 Akim Demaille <akim@epita.fr>
10548 Let the initial-action act on the look-ahead, and use it for the
10549 "initial push" (corresponding to an hypothetical beginning-of-file).
10550 And let lalr1.cc honor %initial-action.
10552 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
10554 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
10555 (Parser::Parser): Remove the ctor that used to initialize it.
10556 (Parser::parse): Like in the other skeletons, issue the "starting
10557 parse" message before any action.
10558 Honor %initial-action.
10559 Initialize the stacks with the lookahead.
10560 * data/yacc.c: Let $$ and @$ in %initial-action designate the
10562 Push them in the stacks.
10563 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
10565 2004-09-20 Akim Demaille <akim@epita.fr>
10567 * doc/bison.texinfo (Initial Action Decl): New.
10569 2004-09-20 Akim Demaille <akim@epita.fr>
10571 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
10572 clearer criterion to define it.
10573 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
10574 When reducing on an empty RHS, use the latest stacked location as
10576 yylloc is not always available.
10577 * data/glr.c: Likewise.
10578 Also, honor initial-actions.
10580 2004-09-20 Akim Demaille <akim@epita.fr>
10582 * data/yacc.c (YY_LOCATION_PRINT): New.
10583 Define when we know YYLTYPE's structure, i.e., when the default
10584 YYLLOC_DEFAULT is used.
10585 * data/c.m4 (b4_yysymprint_generate): Use it.
10586 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
10587 value of the result.
10588 (error_start_): Replace with...
10589 (error_range_): this location array.
10590 This allows to replace code relying on the implementation of
10591 locations by portable code.
10592 * data/yacc.c (yylerrsp): Replace with...
10593 (yyerror_range): this.
10594 Every time a token is popped, update yyerror_range[0], to have an
10595 accurate location for the error token.
10596 * data/glr.c (YY_LOCATION_PRINT): New.
10597 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
10598 deference a pointer.
10599 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
10600 report the location in %printers.
10602 * src/scan-skel.l: Instead of abort, report error messages to ease
10603 understanding skeleton scanning failures.
10605 2004-09-16 Akim Demaille <akim@epita.fr>
10607 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
10608 (iterator, const_iterator): these, to be more in the C++ spirit.
10609 Also, return reverse iterators so that when displaying the stack
10610 we display its bottom first.
10611 (Parser::stack_print_, Parser::reduce_print_): Match the messages
10613 We should probably use vector here though.
10615 2004-09-16 Akim Demaille <akim@epita.fr>
10617 Have more complete shift traces.
10619 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
10620 to report Shifts instead of ad hoc YYDPRINTF invocations,
10621 including for the error token.
10622 * data/lalr1.cc (symprint_): Output the location.
10623 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
10624 output the location within the %printer.
10625 Activate GLR tests, at least to make sure they compile properly.
10626 They still don't pass though.
10627 * tests/calc.at: Adjust expect verbose output, since now "Entering
10628 state..." is on a different line than the "Shifting" message.
10630 2004-09-08 Akim Demaille <akim@epita.fr>
10632 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
10633 Bison directive from the Bison file to the invocation of this
10634 macro, so that these directives are passed to
10635 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
10636 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
10637 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
10638 the extra Bison directives instead of the whole series.
10639 Change the grammar so that there are recoverable errors, and
10640 unrecoverable errors. Now we can have the parser give up before
10641 consuming the whole input. As a result we now can observe that
10642 the lookahead is freed when needed.
10643 Change the parser source to parse argv[1] instead of a hard coded
10645 Simplify yylex, and give a value and location to EOF.
10646 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
10647 passed directives already coded in the file.
10648 Add some tests to check the location of "error".
10649 For some tests, the C++ parser is correct, and not yacc.c.
10650 For other tests, they provide different, but unsatisfying, values,
10651 so keep the C++ value so that at least one parser is "correct"
10652 according to the test suite.
10653 (Actions after errors): Remove, this is subsumed by the
10654 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
10656 2004-09-06 Akim Demaille <akim@epita.fr>
10658 * data/lalr1.cc: Adjust the indentation of the labels.
10659 (Parser::pop): New.
10662 2004-09-06 Akim Demaille <akim@epita.fr>
10664 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
10665 argument, an informative message.
10666 Call YY_SYMBOL_PRINT.
10667 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
10668 * data/lalr1.cc (destruct_): Likewise.
10669 In addition, no longer depend on b4_yysymprint_generate and
10670 b4_yydestruct_generate to generate these functions, do it "by
10673 2004-09-03 Akim Demaille <akim@epita.fr>
10675 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
10676 invoked, yydestruct the lookahead.
10677 * tests/calc.at (Calculator $1): Update the expected lengths of
10678 traces: there is an added line for the discarded lookahead.
10679 * doc/bison.texinfo (Destructor Decl): Some rewording.
10680 Define "discarded" symbols.
10682 2004-09-02 Akim Demaille <akim@epita.fr>
10684 * data/lalr1.cc (translate_, destruct_): No reason to be static.
10686 2004-09-02 Akim Demaille <akim@epita.fr>
10688 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
10689 (YYDSYMPRINTF): Rename as...
10690 (YY_SYMBOL_PRINT): this.
10691 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
10693 Use it instead of direct symprint_ calls.
10694 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
10697 2004-09-02 Akim Demaille <akim@epita.fr>
10699 * data/lalr1.cc (b4_yysymprint_generate): New.
10700 (symprint_): New member function, defined when YYDEBUG.
10701 Use it consistently instead of token/nterm debugging output by
10703 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
10704 %printer calls to use cdebug_ when using lalr1.cc.
10706 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
10708 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
10709 with #ifdef YYDEBUG.
10711 2004-08-26 Akim Demaille <akim@epita.fr>
10713 * doc/bison.texinfo (Implementing Loops): Rename as...
10714 (Implementing Gotos/Loops): this.
10716 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
10718 Adjust to latest gnulib.
10719 * bootstrap (gnulib_modules): Add xalloc-die.
10720 Set LC_ALL=C so that file names sort consistently.
10721 Prefer the gnulib copies of gettext.m4, glibc21.m4,
10722 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
10723 uintmax_t.m4, ulonglong.m4.
10724 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
10725 po.m4 since we are now using _gl.m4 instead.
10727 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
10729 * src/scan-action.l: Remove. Scanning of semantic actions is
10730 handled in scan-gram.l.
10732 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
10734 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
10736 * src/location.h (struct): The file member is a uniqstr.
10737 (equal_boundaries): Use UNIQSTR_EQ for comparison.
10739 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
10741 Fix bug with non-%union parsers that have printers or destructors,
10742 which led to a Bison core dump. Reported by Peter Fales in
10743 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
10745 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
10746 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
10747 not to our own type.
10748 * src/output.c (symbol_destructors_output, symbol_printers_output):
10749 Don't assume %union.
10750 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
10751 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
10752 UNION-FLAG. All callers changed.
10753 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
10754 Use type char, not unsigned int, when declaring an array of char;
10755 this lets us remove a cast.
10756 (Printers and Destructors): Add non-%union test cases.
10758 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10760 * doc/bison.texinfo: Minor editorial changes, mostly to the new
10761 GLR writeups. E.g., avoid frenchspacing and the future tense,
10762 change "lookahead" to "look-ahead", and change "wrt" to "with
10765 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10767 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
10768 New sections, split off from the GLR Parsers section. Put the new
10769 Simple GLR Parser near the start of the GLR section, for clarity.
10770 Rewrite connective text.
10772 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
10774 * doc/bison.texinfo (Simple GLR Parsers): New section.
10776 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10778 * NEWS, TODO, doc/bison.texinfo:
10779 Use "look-ahead" instead of "lookahead", to be consistent.
10780 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
10781 while we're fixing "look-ahead".
10782 * src/conflicts.c (shift_set): Renamed from shiftset.
10783 (look_ahead_set): Renamed from lookaheadset.
10784 * src/print.c: Likewise.
10785 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
10786 name for "lookahead".
10787 (report_types, usage): Likewise.
10788 * src/getargs.h (report_look_ahead_tokens): Renamed from
10790 * src/lalr.c (compute_look_ahead_tokens): Renamed from
10791 compute_lookaheads.
10792 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
10793 (look_ahead_tokens_print): Renamed from lookaheads_print.
10794 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
10795 state_rule_lookaheads_print.
10796 * src/state.h: Likewise.
10797 (reductions.look_ahead_tokens): Renamed from lookaheads.
10798 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
10799 AT_DATA_LOOKAHEADS_GRAMMAR.
10801 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
10803 * README: Update location of patched M4 distribution.
10805 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
10807 Don't assume the C++ compiler takes the same arguments as the C compiler
10809 * configure.ac (O0CXXFLAGS): New var.
10810 * tests/atlocal.in (CXXFLAGS): Use it.
10812 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
10814 Fix some "make check" problems with C++ reported by
10815 Albert Chin-A-Young for Tru64 C++ in this thread:
10816 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
10818 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
10819 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
10820 Output to a .cc file for C++, not to a .c file.
10821 * tests/calc.at (AT_CHECK_CALC): Likewise.
10822 * tests/regression.at (AT_CHECK_DANCER): Likewise.
10823 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
10825 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
10827 * tests/calc.at, tests/actions.at: Workaround for SGI
10828 C++ compiler. (trivial change)
10830 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
10832 Spent a few hours checking out which prerequisite versions the
10833 current sources actually require. I went all the way back to
10834 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
10835 a seemingly endless set of combinations of versions more recent
10836 than that. The bottom line is that the current sources require
10837 fairly recent versions of the build tools, and it'll be some work
10839 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
10840 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
10841 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
10842 Add comments explaining why those particular versions are
10845 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
10846 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
10847 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
10849 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
10850 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
10852 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
10854 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
10855 0.11.5. Suggested by Bruno Haible.
10856 * bootstrap: Remove gettext version checking.
10858 * doc/bison.texinfo (Decl Summary): Also mention that %union
10859 can depend on prerequisite types. Problem reported by Tim
10862 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
10864 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
10865 * README-alpha: Don't tell people not to package this.
10867 * bootstrap: Don't assume $(...) works; use `...` instead.
10868 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
10871 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
10872 put into the -d output file, and mention what to do if YYSTYPE is
10873 defined as a macro.
10875 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
10877 Undo change made earlier today: it caused autopoint to not bring
10878 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
10881 * bootstrap: Check that gettext version matches what's in
10882 configure.ac. Warn users to ignore robots.txt ERROR 404.
10883 * bootstrap: Undo today's earlier change (logged below).
10884 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
10886 The gettext version checking is causing more trouble than it's
10887 curing; remove it. Problem reported by Paul Hilfinger.
10889 * bootstrap: Issue a warning that one can expect a message
10890 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
10891 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
10893 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
10895 Ensure that the C++ compiler used for testing actually works on a
10896 simple test program; if not, skip the C++-related tests. Problem
10897 reported by Vin Shelton in:
10898 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
10900 * m4/cxx.m4: New file.
10901 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
10902 * tests/atlocal.in (BISON_CXX_WORKS): Add.
10903 * tests/local.at (AT_COMPILE_CXX): Use it.
10905 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10907 * data/glr.c (yylloc): Output this macro even if locations are not
10908 being generated, as the GLR parser needs it even in that case.
10909 Problem reported by Troy A. Johnson
10910 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
10912 * configure.ac (AC_INIT): Update to 1.875e.
10914 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10916 * NEWS: Version 1.875d.
10917 * configure.ac (AC_INIT): Likewise.
10918 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
10920 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
10921 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
10922 lalr1.cc runs afoul of the first, and the last two are no longer
10923 supported by GCC 3.4.0.
10924 * README: Mention GNU m4 1.4 or later; mention m4 patches.
10925 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
10927 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
10929 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
10930 unsigned int, for compatibility with latest gnulib hash module.
10931 * src/state.c (state_hash, state_hasher): Likewise.
10932 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
10933 * src/uniqstr.c (hash_uniqstr): Likewise.
10935 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
10937 * NEWS: Unescaped newlines are no longer allowed in char & strings.
10939 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
10940 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
10941 character and string literals.
10942 (unexpected_end): New function.
10943 (unexpected_eof): Use it.
10944 (unexpected_newline): New function.
10945 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
10948 * NEWS: Document %expect-rr.
10950 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
10951 Fix typo by replacing $1 with $option.
10952 Remove more 'intl'-related files.
10953 Don't DEFUN AM_INTL_SUBDIR twice.
10955 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
10956 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
10958 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
10959 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
10960 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
10961 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
10962 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
10963 * src/.cvsignore: Add *.output.
10965 * src/parse-gram.y: Put copyright notice inside %{ %} so it
10966 gets copied to the output file.
10968 2004-04-28 Paul Eggert <eggert@twinsun.com>
10970 Get files from the gnulib and po repositories, instead of relying
10971 on them being in our CVS. Upgrade to latest versions of gnulib
10974 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
10975 * bootstrap: Bootstrap from gnulib and po repositories.
10976 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
10977 * README-cvs: Document these changes. Remove version numbers from
10978 mentions of build tools, since they change so often. Mention Flex.
10980 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
10981 (gl_USE_SYSTEM_EXTENSIONS): Add.
10982 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
10983 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
10985 (AC_ISC_POSIX): Remove; we no longer support this
10986 ancient OS, as it gets in the way of latest Autoconf & gnulib.
10987 (AC_HEADER_STDC): Remove: we now assume C89 or better.
10988 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
10989 Do not check for C89 headers, except for locale.h which is used
10990 by the Yacc library and must port to K&R hosts.
10991 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
10992 Do not check for C89 functions, except for setlocale which is
10993 used by the Yacc library.
10994 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
10995 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
10996 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
10997 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
10998 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
10999 AM_GNU_GETTEXT): Remove; now done by:
11000 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
11001 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
11004 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
11005 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
11006 Define to empty, as gnulib.mk will do the rest for us.
11007 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
11009 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
11010 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
11012 * src/files.c: Include gnulib's xstrndup.h.
11014 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
11015 (REALLOC): Use xnrealloc, for likewise.
11016 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
11017 (strnlen, memrchr): Remove decls; functions no longer used.
11018 Include <stpcpy.h>.
11020 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
11021 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
11022 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
11023 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
11024 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
11025 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
11026 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
11027 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
11028 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
11029 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
11030 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
11031 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
11032 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
11033 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
11034 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
11035 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
11036 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
11037 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
11038 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
11039 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
11040 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
11041 Remove, as these files are now generated automatically
11042 by bootstrap or automake.
11044 * po/ChangeLog: Remove: all but one entry was a duplicate
11045 of this file, and I moved that 2000-11-02 entry here.
11047 * config/.cvsignore: Add Makefile, depcomp, install-sh.
11048 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
11049 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
11050 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
11051 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
11052 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
11053 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
11054 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
11055 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
11056 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
11057 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
11059 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
11060 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
11061 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
11062 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
11063 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
11064 * src/.cvsignore: Remove *_.c.
11067 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
11068 support it. (The latest stable gzip doesn't.)
11070 2004-04-27 Paul Eggert <eggert@twinsun.com>
11072 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
11073 case, as stos_ is now used by destructors due to the 2004-02-09
11076 Remove more K&R C support.
11077 * lib/libiberty.y (PARAMS): Remove. All uses removed.
11078 * lib/subpipe.c (errno): Remove decl.
11079 Include <stdlib.h> unconditionally.
11080 (EXIT_FAILURE): Remove macro.
11081 * src/complain.c (vfprintf, strerror): Remove.
11082 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
11084 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
11085 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
11086 (strchr, strspn, memchr): Remove decls.
11087 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
11088 unconditionally. Do not declare perror.
11089 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
11092 * src/complain.c (_): Remove useless defn, as system.h defines this.
11094 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
11095 with latest obstack.h.
11096 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
11097 to procedure types, as obstack.h now does that for us.
11098 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
11100 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
11101 so that this include file can stand alone.
11102 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
11103 does this now. Include subpipe.h first after config.h, to
11104 test whether it can stand alone.
11106 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
11107 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
11108 unused declaration.
11110 * tests/synclines.at (%union synch line): Put a dummy member in
11111 the union, because empty unions aren't allowed in C. Caught
11114 2004-04-13 Jim Meyering <jim@meyering.net>
11116 * src/conflicts.c (conflicts_print): Correct format string typo:
11117 use `%%' to produce literal `%'. (trivial change)
11119 2004-03-30 Paul Eggert <eggert@twinsun.com>
11121 * src/getargs.c (version): Update copyright year to 2004.
11123 * data/c.m4 (b4_int_type): Use 'short int' rather than
11124 'short', and similarly for 'long', 'unsigned', etc.
11125 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
11126 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
11127 yy_yypstack, yydumpstack): Likewise.
11128 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
11129 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
11131 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
11132 yy_stack_print, yyparse): Likewise.
11133 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
11134 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
11135 * lib/bitset.c (bitset_print): Likewise.
11136 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
11137 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
11138 * lib/bitsetv.c (bitsetv_dump): Likewise.
11139 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
11140 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
11142 * src/LR0.c (allocate_itemsets): Likewise.
11143 * src/gram.h (rule_number, rule): Likewise.
11144 * src/lalr.h (goto_number): Likewise.
11145 * src/nullable.c (nullable_compute): Likewise.
11146 * src/output.c (prepare_rules): Likewise.
11147 * src/relation.c (relation_print, relation_digraph): Likewise.
11148 * src/relation.h (relation_node): Likewise.
11149 * src/state.h (state_number, transitions, errs, reductions,
11150 struct state): Likewise.
11151 * src/symtab.h (symbol_number, struct symbol): Likewise.
11152 * src/tables.c (vector_number, tally, action_number,
11153 default_goto, goto_actions): Likewise.
11154 * tests/existing.at (GNU Cim Grammar): Likewise.
11155 * tests/regression.at (Web2c Actions): Likewise.
11157 * src/output.c (muscle_insert_short_int_table): Renamed from
11158 muscle_insert_short_table. All uses changed.
11160 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
11162 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
11163 (declaration): Replace expected_conflicts with expected_sr_conflicts.
11164 Add %expect-rr rule.
11166 * src/scan-gram.l: Recognize %expect-rr.
11168 * src/conflicts.h (expected_sr_conflicts): Rename from
11169 expected_conflicts.
11170 (expected_rr_conflicts): Declare.
11172 * src/conflicts.c (expected_sr_conflicts): Rename from
11173 expected_conflicts.
11174 (expected_rr_conflicts): Define.
11175 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
11177 Use expected_sr_conflicts in place of expected_conflicts.
11178 Warn if expected_rr_conflicts used in non-GLR parser.
11180 * doc/bison.texinfo: Add documentation for %expect-rr.
11182 2004-03-08 Paul Eggert <eggert@gnu.org>
11184 Add support for hex token numbers. Suggested by Odd Arild Olsen in
11185 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
11187 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
11189 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
11190 * src/scan-gram.l (scan_integer): New function.
11192 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
11193 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
11194 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
11195 Say "long int", not "long", for uniformity with GNU style.
11197 2004-02-25 Paul Eggert <eggert@twinsun.com>
11199 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
11200 compilers. This fixes a problem with Intel's C++ compiler being
11201 chatty, reported by Guido Trentalancia in
11202 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
11204 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
11206 Support %destructor and merge error locations in lalr1.cc.
11208 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
11209 (Parser::stos_): Define unconditionally.
11210 (Parser::destruct_): New method. Generate its body with
11211 b4_yydestruct_generate.
11212 (Parser::error_start_): New attribute.
11213 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
11214 token which are discarded.
11215 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
11216 error_start_ when erroneous token are discarded.
11217 (Parser::parse) <yyerrlab1>: Compute the location of the error
11218 token so that it covers all the discarded tokens.
11219 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
11220 it can be called with `%skeleton "lalr1.cc"', and do that.
11222 2004-02-02 Paul Eggert <eggert@twinsun.com>
11224 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
11225 $(top_srcdir)/lib and ../lib. This fixes a bug reported
11226 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
11227 There's no need to mention top_builddir since Automake does that
11229 (INCLUDES): Remove, as Automake says it's obsolescent.
11230 Contents migrated into AM_CPPFLAGS as described above.
11231 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
11233 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
11235 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
11236 (yyreportSyntaxError): Handle case where lookahead token is
11239 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11241 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
11242 resulting parsers are compilable with C++.
11244 2003-12-23 Paul Eggert <eggert@twinsun.com>
11246 * config/depcomp, config/install-sh: Sync with Automake 1.8.
11247 * src/output.c (output_skeleton): Rename local var.
11248 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
11249 Bison tokens, as this runs afoul of the 2003-10-07 change that
11250 disallowed NUL bytes in character constants or string literals.
11252 * tests/local.at: Require Autoconf 2.59's Autotest.
11253 * tests/testsuite.at: Don't include local.at, since we now assume
11254 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
11256 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
11257 multiple inclusion warnings.
11259 2003-12-02 Akim Demaille <akim@epita.fr>
11261 * doc/bison.texinfo (How Can I Reset the Parser): More about start
11265 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
11267 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
11269 2003-10-07 Paul Eggert <eggert@twinsun.com>
11271 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
11272 if testsuite doesn't exist.
11274 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
11275 literals, unfortunately.
11276 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
11277 Complain about NUL bytes in character constants or string literals.
11279 2003-10-05 Paul Eggert <eggert@twinsun.com>
11281 * NEWS: Don't document %no-default-prec, as it's still
11283 * doc/bison.texinfo: Document %no-default-prec only if
11284 the defaultprec flag is set. Normally it's not.
11286 2003-10-04 Paul Eggert <eggert@twinsun.com>
11288 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
11289 non-modifiable lvalue, instead of a modifiable one.
11290 * doc/bison.texinfo (Actions): Document that $$ can
11291 be assigned to. Do not claim that $$ and $N are
11292 array element references: user code should not rely on this.
11294 2003-10-01 Paul Eggert <eggert@twinsun.com>
11296 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
11297 (grammar_declaration): Use it.
11298 * src/scan-gram.l: New token %no-default-prec.
11299 * tests/conflicts.at: Revamp tests to use %no-default-prec.
11300 * NEWS, doc/bison.texinfo: Document the above.
11302 2003-10-01 Akim Demaille <akim@epita.fr>
11304 VCG no longer supports long_straight_phase.
11306 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
11307 * src/print_graph.c (print_graph): Adjust.
11309 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
11310 and Paul Eggert <eggert@twinsun.com>
11312 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
11313 Table of Symbols): Document %default-prec.
11314 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
11315 (grammar_declaration): Set default_prec on %default-prec.
11316 * src/scan-gram.l (%default-prec): New token.
11317 * src/reader.h (default_prec): New flag.
11318 * src/reader.c: Likewise.
11319 (packgram): Handle it.
11320 * tests/conflicts.at (%default-prec without %prec,
11321 %default-prec with %prec, %default-prec 1): New tests.
11323 2003-09-30 Paul Eggert <eggert@twinsun.com>
11325 * tests/testsuite.at: Include local.at, not input.at, fixing
11326 a typo in the 2003-08-25 patch.
11328 2003-08-27 Akim Demaille <akim@epita.fr>
11330 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
11333 2003-08-26 Akim Demaille <akim@epita.fr>
11335 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
11336 "<\#" to avoid magic from Gnus when posting parts of this script.
11338 2003-08-26 Akim Demaille <akim@epita.fr>
11340 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
11341 (Parser::parse): here.
11342 Adjust: nerrs and errstatus is now replaced by...
11343 (Parser::nerrs_, Parser::errstatus_): New.
11345 2003-08-25 Akim Demaille <akim@epita.fr>
11347 * config/announce-gen, Makefile.cfg: New.
11348 * Makefile.am: Adjust.
11349 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
11350 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
11352 2003-08-25 Akim Demaille <akim@epita.fr>
11354 When reducing initial empty rules, Bison parser read an initial
11355 location that is not defined. This results in garbage, and that
11356 affects Bison's own parser. Therefore we need (i) to extend Bison
11357 to support a means to initialize this location, and (ii) to use
11358 this CVS Bison to fix CVS Bison's parser.
11360 * src/reader.h, reader.c (epilogue_augment): Remove, replace
11362 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
11363 * src/parse-gram.y: Adjust.
11364 (%initial-action): New.
11365 (%error-verbose): Since we require CVS Bison, there is no reason
11367 * src/scan-gram.l: Adjust.
11368 * src/Makefile.am (YACC): New, to make sure we use our own parser.
11369 * data/yacc.c (yyparse): Use b4_initial_action.
11371 2003-08-25 Akim Demaille <akim@epita.fr>
11373 * doc/bison.texinfo: Don't promote stdout for error messages.
11375 2003-08-25 Akim Demaille <akim@epita.fr>
11377 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
11378 From Alexandre Duret-Lutz.
11380 2003-08-25 Akim Demaille <akim@epita.fr>
11384 2003-08-25 Akim Demaille <akim@epita.fr>
11386 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
11389 2003-08-25 Akim Demaille <akim@epita.fr>
11391 * data/lalr1.cc (Parser::reduce_print_): New.
11394 2003-08-25 Akim Demaille <akim@epita.fr>
11396 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
11397 error recovery loops. This patch is based on
11398 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
11399 Also, augment the similarity between lalr1.cc and yacc.c.
11400 Note: the locations of error recovery rules are not correct yet.
11402 * data/lalr1.cc: Comment changes to augment the similarity between
11403 lalr1.cc and yacc.c.
11404 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
11405 (yyerrlab1): Remove, but where it used to be (now the bottom part of
11406 yyerrlab), when hitting EOF, pop the whole stack here instead of
11407 merely falling thru the default error handling mechanism.
11408 (yyerrorlab): New label, with the old contents of YYERROR,
11409 plus the following change: pop the stack of rhs corresponding
11410 to the production that invoked YYERROR. That is how Yacc
11411 behaves (required by POSIX).
11412 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
11415 2003-08-25 Akim Demaille <akim@epita.fr>
11417 Tune local.at so that people can "autom4te -l autotest calc.at -o
11418 calc" for instance, to extract a sub test suite.
11420 * tests/testsuite.at: Move the initialization, Autotest version
11421 requirement, and AT_TESTED invocation into...
11422 * tests/local.at: here.
11423 * tests/testsuite.at: Include it for compatibility with Autoconf
11425 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
11428 2003-08-04 Paul Eggert <eggert@twinsun.com>
11430 Rework code slightly to avoid gcc -Wtraditional warnings.
11431 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
11432 The returned value is now stored in *YY0. All callers changed.
11433 * src/output.c (merge_output): Adjust to the above change.
11435 2003-07-26 Paul Eggert <eggert@twinsun.com>
11437 * data/glr.c (YYASSERT): New macro.
11438 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
11439 yyresolveStates, yyprocessOneStack):
11440 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
11441 Derived from a suggestion by Frank Heckenbach.
11443 2003-07-25 Paul Eggert <eggert@twinsun.com>
11445 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
11446 for portability to K&R C (after ansi2knr, presumably). See
11447 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
11448 by Frank Heckenbach, though I have omitted the structure-initialization
11449 part of his glr-knr.diff patch since I recall that the Portable
11450 C Compiler didn't require that change.
11452 Let the user specify how to allocate and free memory.
11453 Derived from a suggestion by Frank Heckenbach in
11454 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
11455 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
11456 All uses of free, malloc, realloc changed to use these macros,
11457 and unnecessary casts removed.
11458 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
11460 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
11462 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
11463 use s.empty() rather than s == "" to test for empty string; see
11464 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
11467 2003-06-25 Akim Demaille <akim@epita.fr>
11469 * config/depcomp, config/install-sh: Update from masters.
11471 2003-06-20 Paul Eggert <eggert@twinsun.com>
11473 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
11474 and return properly parenthesized result.
11475 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
11476 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
11477 Remove unnecessary parentheses from uses.
11478 * doc/bison.texinfo (Location Default Action): Describe the
11479 conventions for parentheses.
11481 2003-06-19 Paul Eggert <eggert@twinsun.com>
11483 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
11484 yyreportTree): Do not assume that size_t is the same width as int,
11485 when printing sizes. Print sizes using an unsigned format.
11486 Problem reported by Frank Heckenbach in
11487 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
11489 Port to Forte Developer 7 C compiler.
11490 * data/glr.c (struct YYLTYPE): If locations are not being used,
11491 declare a single dummy member, as empty structs do not conform
11493 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
11494 the Forte Developer 7 C compiler complains that end-of-loop
11495 code is not reached.
11497 2003-06-17 Paul Eggert <eggert@twinsun.com>
11499 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
11500 avoid warnings from picky compilers about redefinition of PARAMS.
11502 2003-06-17 Paul Eggert <eggert@twinsun.com>
11506 * NEWS: Document 1.875b.
11508 * lib/bbitset.h: Do not include config.h; that's the includer's job.
11509 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
11510 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
11511 Don't use 'index' in comments, as it's a builtin fn on some hosts.
11512 * lib/bitset_stats.c: Include gettext.h unconditionally, as
11513 per recent gettext manual's suggestion.
11514 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
11515 Use prototypes, not old-style definitions.
11516 * lib/lbitset.c (lbitset_unused_clear): Likewise.
11517 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
11518 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
11519 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
11520 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
11521 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
11522 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
11523 vbitset_or_and_cmp, vbitset_copy): Likewise.
11525 * lib/libiberty.h: Do not include config.h; that's the includer's job.
11526 Do not include <stdlib.h>.
11527 (PARAMS): Define unconditionally for C89.
11528 (ATTRIBUTE_NORETURN): Remove.
11529 (ATTRIBUTE_UNUSED): Define unconditionally.
11531 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
11532 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
11533 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
11534 * lib/vbitset.c, lib/vbitset.h: New files.
11535 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
11536 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
11539 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
11540 `How Can I Reset @code{yyparse}', since texinfo does not allow
11541 arbitrary @ in node names.
11543 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
11544 shouldn't be needed according to the gettext 0.12.1 documentation
11545 but which seem to be needed anyway: codeset.m4 glibc21.m4
11546 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
11547 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
11548 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
11550 * lib/.cvsignore: Add stdbool.h.
11551 * m4/.cvsignore: Add nls.m4, po.m4.
11553 Upgrade to CVS gnulib.
11554 * stdbool_.h: File renamed from stdbool.h.in.
11555 * configure.ac (AM_STDBOOL_H): Invoke this instead of
11557 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
11558 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
11559 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
11560 (MOSTLYCLEANFILES): New var.
11561 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
11562 (stdbool.h): New rule.
11563 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
11564 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
11565 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
11566 m4/quote.m4: Upgrade to today's gnulib.
11568 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
11569 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
11570 the tests right now.
11571 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
11572 yyerror are declared before use; C99 requires this.
11574 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11576 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
11578 (yyrecoverSyntaxError): Correct the logic for setting and testing
11580 Correct comment on handling EOF.
11581 Allow states with only a default reduction, rather than failing
11582 (I can't quite reconstruct why these were not allowed before).
11584 Fixes to avoid problem that $-N rules in GLR parsers can cause
11585 buffer overruns, corrupting state.
11587 * src/output.c (prepare_rules): Output max_left_semantic_context
11589 * src/reader.h (max_left_semantic_context): New variable declaration.
11590 * src/scan-gram.l (max_left_semantic_context): Define.
11591 (handle_action_dollar): Update max_left_semantic_context.
11592 * data/glr.c (YYMAXLEFT): New definition.
11593 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
11594 (yyresolveAction): Ditto.
11596 Fixes to problems with location handling in GLR parsers reported by
11597 Frank Heckenbach (2003/06/05).
11599 * data/glr.c (YYLTYPE): Make trivial if locations not used.
11600 (YYRHSLOC): Add parentheses, and define only if locations used.
11601 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
11602 locations not used.
11603 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
11604 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
11606 * tests/cxx-type.at: Exercise location information; update tests
11607 to differentiate output with and without locations.
11608 Remove forward declarations of yylex and yyerror---caused errors
11609 because default YYLTYPE not yet defined.
11610 Change semantic actions to compute strings, rather than printing
11611 them directly (to test proper passing of semantics values). Change
11612 output to prefix notation and update test data and expected results.
11613 (yylex): Track locations.
11614 (stmtMerge): Return value rather than printing, and include arguments
11617 2003-06-03 Paul Eggert <eggert@twinsun.com>
11619 Avoid warnings generated by GCC 2.95.4 when Bison is
11620 configured with --enable-gcc-warnings.
11621 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
11622 yy::]b4_parser_class_name[::translate_,
11623 yy::Stack::operator[] (unsigned),
11624 yy::Stack::operator[] (unsigned) const,
11625 yy::Slice::operator[] (unsigned),
11626 yy::Slice::operator[] (unsigned) const):
11627 Rename local vars to avoid warnings.
11628 * tests/glr-regression.at (Improper handling of embedded actions
11629 and $-N in GLR parsers): Remove unused local variable from yylex.
11630 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
11631 (void) as arg when not pure, since we now assume C89 when building
11632 Bison. Pacify GCC by using parameter.
11634 2003-06-02 Paul Eggert <eggert@twinsun.com>
11636 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
11637 yy::Location::lines, yy::Location::columns): Rename arguments
11638 to avoid shadowing; this removes a warning generated by GCC 3.3.
11640 2003-06-01 Paul Eggert <eggert@twinsun.com>
11642 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
11643 to g++, as GCC 3.3 complains if you do it.
11644 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
11645 everything that WARNING_CFLAGS has, except omit warnings
11646 not suitable for C++.
11647 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
11648 * tests/atlocal.in (CXXFLAGS): New var.
11649 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
11651 Fix a GLR parser bug I reported in February; see
11652 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
11653 The problem was that GLR parsers did not conform to the C standard,
11654 because actions like { $1 = $2 + $3; } expanded to expressions
11655 that invoked YYFILL in separate subexpressions, and YYFILL assigned
11656 to a local variable. The C standard says that expressions
11657 like (var = f ()) + (var = f ()) have undefined behavior.
11658 Another problem was that GCC sometimes issues warnings that
11659 yyfill and its parameters are unused.
11661 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
11662 as possibly unused.
11663 (yyfill): New function.
11665 (yyuserAction): Change type of yynormal to bool, so that it matches
11666 the new yyfill signature. Mark it as possibly unused.
11669 Follow up on a bug I reported in February, where a Bison-generated
11670 parser can loop. Provide a test case and a fix for yacc.c. I
11671 don't have a fix for lalr1.cc or for glr.c, unfortunately.
11672 The original bug report is in:
11673 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
11675 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
11676 macro's size was becoming unwieldy.
11677 (yyerrlab): Do not discard an empty lookahead symbol, as this
11678 might destroy garbage.
11679 (yyerrorlab): New label, with the old contents of YYERROR,
11680 plus the following change: pop the stack of rhs corresponding
11681 to the production that invoked YYERROR. That is how Yacc
11682 behaves, and POSIX requires this behavior.
11683 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
11684 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
11685 Define 'alarm' to do nothing if unistd.h is not available.
11686 Add a new rule "exp: '-' error;" to test the above change to
11687 data/yacc.c. Use 'alarm' to abort any test taking longer than
11688 10 seconds, as it's probably looping.
11689 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
11690 Also, the new yacc.c generates two fewer diagnostics for an
11693 2003-05-24 Paul Eggert <eggert@twinsun.com>
11695 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
11696 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
11697 This fixes a problem reported by John Bowman when the Compaq/HP
11698 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
11699 -ansi -Wall -gall).
11700 * data/yacc.c (union yyalloc): Likewise.
11701 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
11703 Switch from 'int' to 'bool' where that makes sense.
11705 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
11706 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
11707 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
11708 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
11709 Return or accept bool, not int. All callers changed.
11710 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
11711 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
11712 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
11713 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
11714 bitset_or_and_cmp_): Likewise.
11715 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
11716 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
11717 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
11718 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
11719 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
11720 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
11721 bitset_stats_or_and_cmp): Likewise.
11722 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
11723 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
11724 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
11725 ebitset_xor_cmp): Likewise.
11726 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
11727 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
11728 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
11729 lbitset_xor_cmp): Likewise.
11730 * lib/bbitset.h: Include <stdbool.h>.
11731 (struct bitset_vtable): The following members now return bool, not
11732 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
11733 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
11735 * src/conflicts.c (count_rr_conflicts): Likewise.
11736 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
11738 * lib/ebitset.c (ebitset_obstack_init): Likewise.
11739 * lib/lbitset.c (lbitset_obstack_init): Likewise.
11740 * src/getargs.c (debug_flag, defines_flag, locations_flag,
11741 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11742 graph_flag): Likewise.
11743 * src/getargs.h (debug_flag, defines_flag, locations_flag,
11744 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11745 graph_flag): Likewise.
11746 * src/output.c (error_verbose): Likewise.
11747 * src/output.h (error_verbose): Likewise.
11748 * src/reader.c (start_flag, typed): Likewise.
11749 * src/reader.h (typed): Likewise.
11750 * src/getargs.c (LOCATIONS_OPTION): New constant.
11751 (long_options, getargs): Use it.
11752 * src/lalr.c (build_relations): Use bool, not int.
11753 * src/nullable.c (nullable_compute): Likewise.
11754 * src/print.c (print_reductions): Likewise.
11755 * src/tables.c (action_row, pack_vector): Likewise.
11756 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
11757 * src/output.c (prepare): Use it.
11758 * src/output.c (token_definitions_output,
11759 symbol_destructors_output, symbol_destructors_output): Use string,
11760 not boolean integer, to keep track of whether to output separator.
11761 * src/print_graph.c (print_core): Likewise.
11762 * src/state.c (state_rule_lookaheads_print): Likewise.
11764 * config/install-sh: Sync from automake 1.7.5.
11766 2003-05-14 Paul Eggert <eggert@twinsun.com>
11768 * src/parse-gram.y (rules_or_grammar_declaration): Require a
11769 semicolon after a grammar declaration, in the interest of possible
11770 future changes to the Bison input language.
11771 Do not allow a stray semicolon at the start of the grammar.
11772 (rhses.1): Allow one or more semicolons after any rule, including
11773 just before "|" as required by POSIX.
11774 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
11777 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
11779 %parse-param support for lalr1.cc.
11781 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
11782 b4_cc_constructor_calls, b4_cc_constructor_call,
11783 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
11785 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
11786 parse-param arguments.
11787 (yy::b4_parser_class_name): Declare instance variables to
11788 hold parse-param arguments.
11789 * tests/calc.at: s/value/semantic_value/ because value clashes
11790 with a member of yy::b4_parser_class_name. Adjust C++ code
11791 to handle %parse-param. Enable %parse-param test in C++.
11793 2003-05-12 Paul Eggert <eggert@twinsun.com>
11795 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
11796 English a bit. Fix fclose typo. Change "const char" to "char
11797 const", and use ANSI C rather than K&R for "main". Suggest
11798 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
11799 and suggest yy_switch_to_buffer.
11801 2003-05-05 Paul Eggert <eggert@twinsun.com>
11803 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
11804 C89. This avoids a diagnostic on compilers that define __STDC__
11805 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
11806 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11808 2003-05-03 Paul Eggert <eggert@twinsun.com>
11810 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
11811 Do not overrun array bounds.
11812 This should fix a bug reported today by Olatunji Oluwabukunmi in
11813 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
11815 2003-04-29 Akim Demaille <akim@epita.fr>
11817 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
11818 * src/getargs.c, src/getargs.h: here, as bool, not int.
11819 (nondeterministic_parser): New.
11820 * src/parse-gram.y, src/scan-gram.l: Support
11821 %nondeterministic-parser.
11822 * src/output.c (prepare): Use nondeterministic_parser instead
11823 of glr_parser where appropriate.
11824 * src/tables.c (conflict_row, action_row, save_row)
11825 (token_actions, token_actions, pack_vector): Ditto.
11827 2003-04-29 Akim Demaille <akim@epita.fr>
11829 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
11831 2003-04-29 Akim Demaille <akim@epita.fr>
11833 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
11834 with %pure-parser and %locations to exercise the patch from Yakov
11837 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
11839 * data/yacc.c: (b4_lex_param): Corrected for the case where
11840 %lex-param is provided and %pure-parser isn't.
11842 2003-04-27 Paul Eggert <eggert@twinsun.com>
11844 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
11845 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
11846 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
11847 if it is not defined.
11848 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
11850 2003-04-26 Paul Eggert <eggert@twinsun.com>
11852 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
11853 Declare to be of type suitable for the ninf value itself, not of
11854 type suitable for the corresponding table, since the latter might
11855 be unsigned but the ninf value might be negative. This fixes a
11856 bug reported by Alexandre Duret-Lutz in
11857 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
11859 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
11860 invokes it. We shouldn't invoke it twice because it will attempt
11861 to put error.o in the archive twice. This fixes a glitch reported
11862 by Martin Mokrejs in
11863 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11865 2003-04-21 Paul Eggert <eggert@twinsun.com>
11867 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
11870 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
11872 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
11873 Fix obvious typo that results in uncompilable GLR parsers
11874 when both %pure-parser and %locations are used. (trivial change)
11876 2003-04-17 Paul Eggert <eggert@twinsun.com>
11878 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
11879 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
11880 Do not insert the expected token via unput, as this runs afoul
11881 of a POSIX-compatibility bug in flex 2.5.31.
11882 All uses changed to BEGIN the parent state,
11883 since we no longer insert the expected token via unput.
11884 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
11885 that is no longer emitted after the above change.
11887 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
11888 the first one. This change is from Paul Hilfinger, and it fixes
11889 regression reported by Werner Lemberg in
11890 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
11892 (resolve_sr_conflict): Don't invoke state_errs_set
11893 unless one or more tokens have been explicitly made errors.
11894 Otherwise, the above change causes Bison to abort.
11896 * tests/existing.at (GNU pic Grammar): New test case, taken from
11899 2003-03-31 Akim Demaille <akim@epita.fr>
11901 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
11903 2003-03-31 Akim Demaille <akim@epita.fr>
11905 * src/output.c (prepare_symbols): Avoid trailing spaces in the
11908 2003-03-31 Akim Demaille <akim@epita.fr>
11910 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
11911 From Paul Hilfinger.
11913 2003-03-29 Akim Demaille <akim@epita.fr>
11915 * m4/error.m4: Do not put under dynamic conditions some code which
11916 expansion is under static control.
11918 2003-03-29 Akim Demaille <akim@epita.fr>
11920 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
11922 2003-03-29 Akim Demaille <akim@epita.fr>
11924 * doc/bison.texinfo (Strings are Destroyed): New.
11926 2003-03-13 Paul Eggert <eggert@twinsun.com>
11928 * .cvsignore: Add configure.lineno.
11929 * src/.cvsignore: Add yacc.
11930 * tests/.cvsignore: Add testsuite.log.
11931 * doc/fdl.texi: Sync with latest FSF version.
11933 2003-03-12 Paul Eggert <eggert@twinsun.com>
11935 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
11936 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
11937 cursor, instead of leaving it undefined. This fixes a bug
11938 reported by Tim Van Holder in
11939 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
11940 * tests/input.at (Torturing the Scanner): Test the scanner on
11941 an empty input file, which was Tim Van Holder's test case.
11943 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
11944 <sys/resource.h> can be included, include sys/time.h and
11945 sys/times.h first, if available. This works around the SunOS
11946 4.1.4 porting bug reported by Bruce Becker in
11947 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
11949 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
11950 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
11951 AC_HEADER_SYS_WAIT.
11953 Merge changes from gnulib. This was prompted because the CVS
11954 snapshot didn't build on Solaris 7 due to strnlen problems.
11956 These changes need to be merged back into gnulib:
11957 * lib/hash.c: Include <stdbool.h> unconditionally.
11958 * m4/onceonly.m4 (m4_quote): New macro.
11959 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
11960 Quote AC_FOREACH variable-expansions properly.
11961 The 2003-01-03 obstack.h change also needs merging.
11962 {end of changes requiring merging}
11964 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
11965 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
11966 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
11967 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
11968 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
11969 New files, imported from gnulib.
11970 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
11973 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
11974 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
11977 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
11979 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
11980 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
11981 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
11982 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
11983 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
11984 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
11985 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
11986 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
11987 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
11988 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
11989 (jm_PREREQ_ARGMATCH): Remove.
11990 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
11991 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
11993 * src/system.h: Include <stdbool.h> unconditionally.
11995 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
11996 assuming at least C89 in the bitset code for some time now.
11998 2003-03-03 Akim Demaille <akim@epita.fr>
12002 2003-03-02 Akim Demaille <akim@epita.fr>
12004 * doc/bison.texinfo (Table of Symbols): Reactivate the
12005 documentation for %lex-param, and %parse-param.
12007 2003-03-02 Akim Demaille <akim@epita.fr>
12009 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
12010 generate verbose error messages.
12011 Use the number of tokens as an upper bound in yytname, as it
12012 cannot be a non terminal.
12014 2003-03-02 Akim Demaille <akim@epita.fr>
12016 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
12019 2003-03-02 Akim Demaille <akim@epita.fr>
12021 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
12022 Use them to exercise yycheck overrun.
12023 Based on Andrew Suffield's grammar.
12025 2003-03-02 Akim Demaille <akim@epita.fr>
12027 Create tests/local.at for Bison generic testing macros.
12029 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
12030 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
12032 * tests/calc.at (AT_CHECK_CALC): Adjust.
12033 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
12034 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
12035 * tests/local.at: here.
12036 (AT_COMPILE_CXX): Tags the tests using it as c++.
12037 Ignore the test if CXX is not functional.
12039 2003-03-01 Paul Eggert <eggert@twinsun.com>
12041 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
12042 not loc->end, since loc->end might contain garbage and this leads
12043 to undefined behavior on some platforms.
12044 (id_loc, token_start): Use (IF_LINTed) initial values that do not
12045 depend on *loc, so that the reader doesn't give the the false
12046 impression that *loc is initialized.
12047 (<INITIAL>"%%"): Do not bother setting code_start, since its value
12048 does not survive the return.
12050 2003-03-01 Akim Demaille <akim@epita.fr>
12052 * src/scan-gram.l (code_start): Always initialize it when entering
12053 into yylex, as SC_EPILOGUE is activated *before* the corresponding
12054 yylex invocation. An alternative would be making it static, but
12055 then it starts with the second %%'s beginning, instead of its end.
12057 2003-02-28 Paul Eggert <eggert@twinsun.com>
12059 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
12060 around a UnixWare 7.1.1 porting bug reported by John Hughes in
12061 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
12063 2003-02-26 Paul Eggert <eggert@twinsun.com>
12065 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
12066 Remove Sequent/Pyramid discussion (nobody uses them any more).
12067 Merge VMS and MS-DOS discussion; these ports may well be dead
12068 but let's keep mentioning them for now. Put <> around email
12069 addresses. Add copyright notice.
12071 2003-02-24 Paul Eggert <eggert@twinsun.com>
12073 * data/glr.c (yy_reduce_print): yylineno -> yylno,
12074 to avoid collision with flex use of yylineno.
12075 Problem reported by Bruce Lilly in
12076 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
12077 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
12078 * data/yacc.c (yy_reduce_print): Likewise.
12080 * config/depcomp: Sync with Automake 1.7.3.
12082 2003-02-21 Akim Demaille <akim@epita.fr>
12084 * data/lalr1.cc: Use temporary variables instead of casts to
12085 change integer types.
12086 Suggested by Paul Eggert.
12088 2003-02-21 Akim Demaille <akim@epita.fr>
12090 * doc/bison.texinfo: Use "location" consistently to refer to @n,
12091 to avoid confusions with lalr1.cc's notion of Position.
12092 Suggested by Paul Eggert.
12094 2003-02-20 Akim Demaille <akim@epita.fr>
12096 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
12097 before initial_columns.
12098 (location.hh): Use consistent variable names when defining the
12100 Use "last" so that we subtract from Positions, not from unsigned.
12102 2003-02-20 Akim Demaille <akim@epita.fr>
12104 * data/lalr1.cc (position.hh): New subfile, including the extended
12105 and Doxygen'ed documentation of class Position.
12106 (location.hh): Use it.
12107 Document a` la Doxygen.
12108 With the help of Benoit Perrot.
12110 2003-02-20 Akim Demaille <akim@epita.fr>
12112 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
12114 Redefine AT_YYERROR_SEES_LOC_IF using it.
12115 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
12117 Don't use the location in yy::Parser::error_ and
12118 yy::Parser::print_ when not %locations.
12119 Activate more lalr1.cc tests.
12121 2003-02-19 Akim Demaille <akim@epita.fr>
12123 * data/lalr1.cc: When displaying a line number, be sure to make it
12126 2003-02-19 Akim Demaille <akim@epita.fr>
12128 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
12130 (YYABORT, YYACCEPT, YYERROR): New.
12131 * tests/calc.at: Renable the lalr1.cc test.
12133 2003-02-19 Akim Demaille <akim@epita.fr>
12135 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
12136 error recovery, mixing with/without pops and discarding of the
12139 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
12141 2003-02-17 Paul Eggert <eggert@twinsun.com>
12143 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
12144 * tests/testsuite.at (AT_COMPILE): Use them.
12145 This fixes the testsuite problem reported by Robert Lentz in
12146 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
12148 2003-02-12 Paul Eggert <eggert@twinsun.com>
12150 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
12151 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
12152 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
12153 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
12154 Check for malloc failure, for consistency with yacc.c.
12155 (yytname_size): Remove, for consistency with yacc.c.
12157 The bug still remains in data/lalr1.cc, as I didn't have time
12160 2003-02-06 Akim Demaille <akim@epita.fr>
12162 * configure.ac (GXX): Rename as...
12163 (CXX): this, to keep the original Autoconf semantics.
12165 * data/lalr1.cc: Fix b4_copyright invocations.
12166 If YYDEBUG is not defined, don't depend upon name_ being defined.
12167 (location.hh): Include string and iostream.
12168 (Position::filename): New member.
12169 (Position::Position ()): New.
12170 (operator<< (Position)): New.
12171 (operator- (Position, int)): New.
12172 (Location::first, Location::last): Rename as...
12173 (Location::begin, Location::end): these, to mock the conventional
12175 (operator<< (Location)): New.
12176 * tests/atlocal.in (CXX): New.
12177 * tests/testsuite.at (AT_COMPILE_CXX): New.
12178 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
12179 locations in a more synthetic way.
12180 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
12182 Adjust the C locations to match those from Emacs: first column is
12184 Change all the expected results.
12185 Conform to the GCS: simplify the locations when applicable.
12186 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
12187 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
12188 these CPP macros with the m4 macros new defined by...
12189 (AT_CHECK_PUSHDEFS): this, i.e.:
12190 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
12191 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
12193 (AT_CHECK_POPDEFS): Undefine them.
12194 (AT_CHECK_CALC_LALR1_CC): New.
12195 Use it for the first lalr1.cc test.
12197 2003-02-04 Akim Demaille <akim@epita.fr>
12199 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
12200 Location as is defined.
12202 2003-02-04 Akim Demaille <akim@epita.fr>
12204 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
12205 name_ being defined.
12207 2003-02-03 Paul Eggert <eggert@twinsun.com>
12209 * src/gram.h (start_symbol): Remove unused decl.
12211 Use more-consistent naming conventions for local vars.
12213 * src/derives.c (derives_compute): Change type of local var from
12214 int to rule_number.
12215 * src/gram.c (grammar_rules_partial_print): Likewise.
12216 * src/print.c (print_core): Likewise.
12217 * src/reduce.c (reduce_grammar_tables): Likewise.
12219 * src/gram.c (grammar_dump): Change name of item_number *
12220 local var from r to rp.
12221 * src/nullable.c (nullable_compute): Likewise.
12223 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
12225 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
12226 for symbol or symbol_number var.
12227 * src/reader.c (grammar_start_symbol_set): Likewise.
12228 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
12230 * src/state.c (transitions_to): Likewise.
12231 * src/state.h: Likewise.
12232 * src/tables.c (symbol_number_to_vector_number): Likewise.
12234 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
12237 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
12240 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
12243 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
12244 Use str, not s, for char * var. Use ch, not c, for character var.
12245 Use size for size var.
12247 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
12249 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
12251 * src/uniqstr.h: Likewise.
12253 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
12254 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
12255 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
12256 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
12257 param to have same name as that of enum, so that we don't use
12258 "s" to stand for a non-state.
12260 2003-02-02 Akim Demaille <akim@epita.fr>
12262 * src/scan-skel.l: Scan more than one inert character per yylex
12265 2003-02-01 Paul Eggert <eggert@twinsun.com>
12269 * po/LINGUAS: Add ms.
12271 2003-01-30 Akim Demaille <akim@epita.fr>
12273 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
12275 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12277 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
12280 Changes in response to error report by S. Eken: GLR mode does not
12281 handle negative $ indices or $ indices in embedded rules correctly.
12282 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
12284 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
12285 (b4_rhs_location): Ditto.
12286 (yyfill): New function to copy from stack tree into array
12288 (yyuserAction): Modify to allow incremental move of semantic values
12289 to rhs array when in GLR mode.
12290 Define YYFILL to use in user-defined actions to fill semantic array
12292 Remove dummy use of yystack, as there is now a guaranteed use.
12293 (yydoAction): Modify to allow incremental move of semantic values
12294 to rhs array when in GLR mode.
12295 (yyresolveAction): Ditto.
12296 (yyglrShiftDefer): Update comment.
12297 (yyresolveStates): Use X == NULL for pointers, not !X.
12298 (yyglrReduce): Ditto.
12299 (yydoAction): Ditto
12301 * tests/glr-regr1.at: Rename to ...
12302 * tests/glr-regression.at: Add new regression test for the problems
12303 described above (adapted from S. Eken).
12304 Update copyright notice.
12305 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
12306 * tests/Makefile.am: Ditto.
12308 2003-01-28 Paul Eggert <eggert@twinsun.com>
12310 * data/lalr1.cc: Do not use @output_header_name@ unless
12311 b4_defines_flag is set. This fixes two bugs reported by
12313 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
12314 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
12316 2003-01-21 Paul Eggert <eggert@twinsun.com>
12318 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
12319 we don't need to worry about yyerrlab1 being reported as an
12320 "unused label" by non-GCC C compilers. The downside is that if
12321 locations are used then a couple of statements are duplicated each
12322 time YYERROR is invoked, but the upside is that the warnings
12324 (yyerrlab1): Move code to YERROR.
12325 (yyerrlab2): Remove. Change uses back to yyerrlab1.
12326 This reverts some of the 2002-12-27 change.
12328 2003-01-17 Paul Eggert <eggert@twinsun.com>
12330 * src/output.c (symbol_printers_output): Fix typo that led
12331 to core dump. Problem reported by Antonio Rus in
12332 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
12334 2003-01-13 Akim Demaille <akim@epita.fr>,
12335 Quoc Peyrot <chojin@lrde.epita.fr>,
12336 Robert Anisko <anisko_r@lrde.epita.fr>
12338 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
12339 when the stacks contain one element, as the loop would otherwise
12340 free the last state, and then use the top state (the one we just
12341 popped). This means that the initial elements will not be freed
12342 explicitly, as is the case in yacc.c; it is not a problem, as
12343 these elements have fake values.
12345 2003-01-11 Paul Eggert <eggert@twinsun.com>
12347 * NEWS: %expect-violations are now just warnings, reverting
12348 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
12349 bootstrapping problem reported by Matthias Klose; see
12350 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
12351 * src/conflicts.c (conflicts_print): Likewise.
12352 * tests/conflicts.at (%expect not enough, %expect too much,
12353 %expect with reduce conflicts): Likewise.
12354 * doc/bison.texinfo (Expect Decl): Document this. Also mention
12355 that the warning is enabled if the number of conflicts changes
12356 (not necessarily increases).
12358 * src/getargs.c (version): Update copyright year.
12360 2003-01-09 Akim Demaille <akim@epita.fr>
12362 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
12364 2003-01-08 Paul Eggert <eggert@twinsun.com>
12366 * Makefile.maint (WGETFLAGS):
12367 New macro, containing "-C off" to disable proxy caches.
12368 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
12369 (rel-check): Use $(WGET) instead of wget.
12371 2003-01-06 Paul Eggert <eggert@twinsun.com>
12373 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
12374 the GLR paper of Scott, Johnstone and Hussain.
12376 2003-01-04 Paul Eggert <eggert@twinsun.com>
12378 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
12379 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
12380 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
12381 (EXTRA_LIBRARIES): New var, for liby.a.
12382 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
12383 (EXTRA_SCRIPTS): New var, for yacc.
12385 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
12386 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
12387 Problem reported by Nelson H. F. Beebe.
12389 2003-01-03 Paul Eggert <eggert@twinsun.com>
12391 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
12392 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
12393 when compiling Bison 1.875's `bitset bset = obstack_alloc
12394 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
12396 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
12397 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
12398 grow to a huge size with typical invocation.
12400 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
12401 Use the pattern recommended by Autoconf 2.57, except also protect
12402 against double-definition.
12403 * src/system.h: Likewise.
12404 Portability issues reported by Nelson H. F. Beebe.
12406 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
12407 All uses changed. Provide a definition in both C and C++.
12408 (yytrue, yyfalse): Define even if defined (__cplusplus).
12410 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
12411 Reported by Nelson H. F. Beebe.
12413 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
12415 2003-01-02 Paul Eggert <eggert@twinsun.com>
12417 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
12418 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
12419 Bug reported by Nelson H. F. Beebe.
12421 2003-01-01 Paul Eggert <eggert@twinsun.com>
12425 2002-12-30 Paul Eggert <eggert@twinsun.com>
12427 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
12429 (<INITIAL>","): Here. This causes stray "," to be treated
12432 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
12433 last brace in braced code when not in Yacc mode, for compatibility
12434 with Bison 1.35. This resurrects the 2001-12-15 patch to
12437 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
12438 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
12440 2002-12-28 Paul Eggert <eggert@twinsun.com>
12442 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
12443 that of SYM's type. This fixes Debian bug 168069, reported by
12446 2002-12-28 Paul Eggert <eggert@twinsun.com>
12450 Switch back to the Yacc style of conflict reports, undoing some
12451 of the 2002-07-30 change.
12452 * doc/bison.texinfo (Understanding): Use Yacc style for
12453 conflict reports. Also, use new way of locating rules.
12454 * src/conflicts.c (conflict_report):
12455 Renamed from conflict_report_yacc, removing the old
12456 'conflict_report'. Translate the entire conflict report at once,
12457 so that we don't assume that "," has the same interpretation in
12459 (conflicts_output): Use Yacc-style conflict report for each state,
12460 instead of our more-complicated style.
12461 (conflicts_print): Use Yacc-style conflict report, except print
12462 the input file name when not emulating Yacc.
12463 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
12464 Conflicted Reduction, %expect not enough, %expect too much,
12465 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
12466 * tests/existing.at (GNU Cim Grammar): Likewise.
12467 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
12469 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
12470 fatal): Don't invoke fflush; it's not needed and it might even be
12471 harmful for stdout, as stdout might not be open.
12472 * src/reduce.c (reduce_print): Likewise.
12474 2002-12-27 Paul Eggert <eggert@twinsun.com>
12476 Fix a bug where error locations were not being recorded correctly.
12477 This problem was originally reported by Paul Hilfinger in
12478 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
12480 * data/yacc.c (yyparse): New local var yylerrsp, to record the
12481 top of the location stack's error locations.
12482 (yyerrlab): Set it. When discarding a token, push its location
12483 onto yylerrsp so that we don't lose track of the error's end.
12484 (yyerrlab1): Now is only the target of YYERROR, so that we can
12485 properly record the location of the action that failed. For GCC
12486 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
12487 GCC warning about yyerrlab1 being unused if YYERROR is unused.
12488 (yyerrlab2): New label, which yyerrlab now falls through to.
12489 Compute the error's location by applying YYLLOC_DEFAULT to
12490 the locations of all the symbols that went into the error.
12491 * doc/bison.texinfo (Location Default Action): Mention that
12492 YYLLOC_DEFAULT is also invoked for syntax errors.
12493 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
12494 Error locations include the locations of all the tokens that were
12495 discarded, not just the last token.
12497 2002-12-26 Paul Eggert <eggert@twinsun.com>
12499 * src/files.c: Include quote.h.
12500 (compute_output_file_names): Warn if we detect conflicting
12501 outputs to the same file. This should catch the misunderstanding
12502 exemplified by Debian Bug 165349, reported by Bruce Stephens..
12504 * src/conflicts.c (conflicts_print): If the user specifies
12505 "%expect N", report an error if there are any reduce/reduce
12506 conflicts. This is what the manual says should happen.
12507 This fixes Debian bug 130890, reported by Anthony DeRobertis.
12508 * tests/conflicts.at (%expect with reduce conflicts): New test.
12510 Don't use m4_include on relative file names, as it doesn't work as
12511 desired if there happens to be a file with that name under ".".
12513 * m4sugar/version.m4: Remove; it was included but it wasn't used.
12514 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
12515 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
12516 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
12517 * src/output.c (output_skeleton): Use full path names when
12518 specifying a file to include; don't rely on include path, as
12519 it's unreliable when the working file contains a file with
12522 2002-12-25 Paul Eggert <eggert@twinsun.com>
12524 Remove obsolete references to bison.simple and bison.hairy.
12525 Problem mentioned by Aubin Mahe in
12526 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
12527 * data/glr.c: Comment fix.
12528 * doc/bison.1: Remove references. Also, mention "yacc".
12530 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
12533 * src/parse-gram.y (declaration): Use enum "report_states" rather
12534 than its numeric value 1.
12536 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
12537 opening a new one. This fixes Debian bug 165349, reported by
12540 2002-12-24 Paul Eggert <eggert@twinsun.com>
12544 * Makefile.maint (cvs-update): Don't assume that the shell
12545 supports $(...), as Solaris sh doesn't.
12547 * src/parse-gram.y (lloc_default): Remove test for empty
12548 nonterminals at the end, since it didn't change the result.
12550 2002-12-24 Paul Eggert <eggert@twinsun.com>
12552 If the user does not define YYSTYPE as a macro, Bison now declares it
12553 using typedef instead of defining it as a macro. POSIX requires this.
12554 For consistency, YYLTYPE is also declared instead of defined.
12556 %union directives can now have a tag before the `{', e.g., the
12557 directive `%union foo {...}' now generates the C code
12558 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
12559 The default union tag is `YYSTYPE', for compatibility with Solaris 9
12560 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
12561 instead of `yyltype'.
12563 `yystype' and `yyltype' are now obsolescent macros instead of being
12564 typedefs or tags; they are no longer documented and will be
12565 withdrawn in a future release.
12567 * data/glr.c (b4_location_type): Remove.
12568 (YYSTYPE): Renamed from yystype.
12569 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
12570 (struct YYLTYPE): Renamed from struct yyltype.
12571 (YYLTYPE): Renamed from yyltype.
12572 (yyltype, yystype): New (and obsolescent) macros,
12573 for backward compatibility.
12574 * data/yacc.c: Likewise.
12576 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
12577 does not specify a union tag. This is for compatibility with
12580 * src/parse-gram.y (add_param): 2nd arg is now char * not char
12581 const *, since it is now modified by stripping surrounding { }.
12582 (current_braced_code): Remove.
12583 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
12584 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
12585 trailing " {...}". Now of type <chars>.
12586 (grammar_declaration): Adjust to bundled tokens.
12587 (code_content): Remove; stripping is now done by add_param.
12588 (print_token_value): Print contents of bundled tokens.
12589 (token_name): New function.
12591 * src/reader.h (braced_code, current_braced_code): Remove.
12592 (token_name): New decl.
12594 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
12595 token_type, not braced_code code_kind. All uses changed.
12596 (SC_PRE_CODE): New state, for scanning after a keyword that
12597 has (or usually has) an immediately-following braced code.
12598 (token_type): New local var, to keep track of which token type
12599 to return when scanning braced code.
12600 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
12601 <INITIAL>"%parse-param", <INITIAL>"%printer",
12602 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
12603 instead of returning a token type immediately.
12604 (<INITIAL>"{"): Set token type.
12605 (<SC_BRACED_CODE>"}"): Use it.
12606 (handle_action_dollar, handle_action_at): Now returns bool
12607 indicating success. Fail if ! current_rule; this prevents a core dump.
12608 (handle_symbol_code_dollar, handle_symbol_code_at):
12609 Remove; merge body into caller.
12610 (handle_dollar, handle_at): Complain in invalid contexts.
12612 * NEWS, doc/bison.texinfo: Document the above.
12613 * NEWS: Fix years and program names in copyright notice.
12615 2002-12-17 Paul Eggert <eggert@twinsun.com>
12617 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
12618 Reporting, Table of Symbols): Omit mentions of %lex-param and
12619 %parse-param from the documentation for now.
12621 2002-12-15 Paul Eggert <eggert@twinsun.com>
12623 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
12624 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
12625 lookahead symbol, and which sets yychar in parser actions) and it
12626 disagreed with the Bison documentation. Bug
12627 reported by Andrew Walrond.
12629 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
12630 as the caller now does that.
12631 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
12632 (YYEMPTY): Parenthesize right hand side, since others use it.
12633 (yyparse): Don't assume that our generated code is the only code
12636 2002-12-13 Paul Eggert <eggert@twinsun.com>
12640 POSIX requires a "yacc" command.
12641 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
12642 (MOSTLYCLEANFILES): Add yacc.
12644 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
12645 as an alias for bison y.
12647 * po/LINGUAS: Add da.
12649 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
12650 problem with latest <getopt.h>.
12651 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
12653 * doc/fdl.texi: Upgrade to 1.2.
12654 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
12655 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
12656 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
12658 * config/install-sh: Sync with autotools.
12660 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
12661 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
12662 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
12663 locations are requested.
12664 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
12665 locations are requested.
12667 2002-12-12 Paul Eggert <eggert@twinsun.com>
12669 Remove unportable casts and storage allocation tricks.
12670 While we're at it, remove almost all casts, since they
12671 usually aren't needed and are a sign of trouble.
12673 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
12675 * src/derives.c (derives_compute): Do not subtract NTOKENS from
12676 the pointer DSET returned by malloc; this isn't portable.
12677 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
12678 Similarly for DERIVES.
12679 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
12680 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
12681 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
12683 * src/derives.c (derives_compute): Do not bother invoking
12684 int_of_rule_number, since rule numbers are integers.
12686 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
12687 rather than XMALLOC (char, N).
12689 * src/files.c (filename_split): Rewrite to avoid cast.
12691 * src/gram.h (symbol_number_as_item_number,
12692 item_number_as_symbol_number, rule_number_as_item_number,
12693 item_number_as_rule_number):
12694 Now inline functions rather than macros, to avoid casts.
12695 * src/state.h (state_number_as_int): Likewise.
12696 * src/tables.c (state_number_to_vector_number,
12697 symbol_number_to_vector_number): Likewise.
12699 * src/gram.h (int_of_rule_number): Remove; no longer used.
12701 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
12702 since the resulting storage is always stored into.
12704 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
12707 * src/muscle_tab.c (muscle_m4_output):
12708 Now inline. Return bool, not int.
12709 * src/state.c (state_compare): Likewise.
12710 * src/symtab.c (symbol_check_defined,
12711 symbol_check_alias_consistency, symbol_pack, symbol_translation,
12712 hash_compare_symbol, hash_symbol):
12714 * src/uniqstr.c (uniqstr_print): Likewise.
12715 * src/muscle_tab.c (muscle_m4_output_processor):
12716 New function, to avoid casts.
12717 * src/state.c (state_comparator, stage_hasher): Likewise.
12718 * src/symtab.c (symbol_check_defined_processor,
12719 symbol_check_alias_consistency_processor, symbol_pack_processor,
12720 symbol_translation_processor, hash_symbol_comparator,
12721 hash_symbol_hasher): Likewise.
12722 * src/uniqstr.c (uniqstr_print_processor): Likewise.
12723 * src/muscle_tab.c (muscles_m4_output):
12724 Use new functions instead of casting old functions unportably.
12725 * src/state.c (state_hash_new): Likewise.
12726 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
12727 symbols_token_translations_init):
12729 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
12731 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
12732 var instead of casting to long, to avoid casts.
12733 (prepare_states): Use MALLOC rather than alloca, so that we don't
12734 have to worry about alloca.
12735 * src/state.c (state_hash_lookup): Likewise.
12737 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
12738 local var instead of casting to unsigned char, to avoid casts.
12740 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
12741 STATE_ALLOC): Remove.
12742 (transitions_new, errs_new, reductions_new, state_new): Use malloc
12743 rather than calloc, and use offsetof to avoid allocating slightly
12745 (state_new): Initialize all members.
12747 * src/state.c (state_hash): Use unsigned accumulator, not signed.
12749 * src/symtab.c (symbol_free): Remove; unused.
12750 (symbol_get): Remove cast in lhs of assignment.
12751 (symbols_do): Now static. Accept generic arguments, not
12752 hashing-related ones.
12754 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
12755 (symbol_processor): Remove.
12756 (symbols_do): Remove decl; now static.
12758 * src/system.h (alloca): Remove; decl no longer needed.
12759 (<stddef.h>): Include, for offsetof.
12760 (<inttypes.>, <stdint.h>): Include if available.
12761 (uintptr_t): New type, if system lacks it.
12762 (CALLOC, MALLOC, REALLOC): New macros.
12763 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
12766 * src/tables.c (table_size): Now int, to pacify GCC.
12767 (table_grow, table_ninf_remap): Use signed table size.
12768 (save_row): Don't bother initializing locals when not needed.
12769 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
12770 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
12772 * src/vcg.h: Correct misspellings.
12774 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
12777 * src/getargs.c (getargs): Don't assume EOF == -1.
12779 2002-12-09 Paul Eggert <eggert@twinsun.com>
12781 Change identifier spellings to avoid collisions with names
12782 that are reserved by POSIX.
12784 Don't use names ending in _t, since POSIX reserves them.
12785 For consistency, remove _e and _s endings -- they're weren't
12786 needed to remove ambiguity. All uses changed.
12787 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
12788 turn was just renamed from struniq_t.
12789 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
12790 which in turn was just renamed from struniq_processor_t.
12791 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
12792 in turn was renamed from hash_compare_struniq_t.
12793 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
12794 (state_list): Renamed from state_list_t.
12795 * src/assoc.h (assoc): Renamed from assoc_t.
12796 * src/conflicts.c (enum conflict_resolution): Renamed from
12797 enum conflict_resolution_e.
12798 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
12799 (rule_list): Renamed from rule_list_t.
12800 * src/getargs.h (enum trace): Renamed from enum trace_e.
12801 (enum report): Renamed from enum report_e.
12802 * src/gram.h (item_number): Renamed from item_number_t.
12803 (rule_number): Renamed from rule_number_t.
12804 (struct rule_s): Remove the "rule_s" part; not used.
12805 (rule): Renamed from rule_t.
12806 (rule_filter): Renamed from rule_filter_t.
12807 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
12808 (goto_list): Renamed from goto_list_t.
12809 * src/lalr.h (goto_number): Renamed from goto_number_t.
12810 * src/location.h (location): Renamed from location_t.
12811 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
12812 and moved here from:
12813 * src/muscle_tab.h (muscle_entry_t): here.
12814 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
12815 (rule_list): Renamed from rule_list_t.
12816 * src/print_graph.c (static_graph): Renamed from graph.
12817 * src/reader.h (braced_code): Renamed from braced_code_t.
12818 Remove brace_code_e tag.
12819 * src/relation.h (relation_node): Renamed from relation_node_t.
12820 (relation_nodes): Renamed from relation_nodes_t.
12821 (relation): Renamed from relation_t.
12822 * src/state.h (state_number): Renamed from state_number_t.
12823 (struct state): Renamed from struct state_s.
12824 (state): Renamed from state_t.
12825 (transitions): Renamed from transitions_t. Unused (and
12826 misspelled) transtion_s tag removed.
12827 (errs): Renamed from errs_t. Unused errs_s tag removed.
12828 (reductions): Renamed from reductions_t. Unused tag
12829 reductions_s removed.
12830 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
12831 (struct symbol_list): Renamed from struct symbol_list_s.
12832 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
12833 (struct symbol): Renamed from struct symbol_s.
12834 (symbol): Renamed from symbol_t.
12835 * src/tables.c (vector_number): Renamed from vector_number_t.
12836 (action_number): Renamed from action_t.
12837 * src/tables.h (base_number): Renamed from base_t.
12838 * src/vcg.h (enum color): Renamed from enum color_e.
12839 (enum textmode): Renamed from enum textmode_e.
12840 (enum shape): Renamed from enum shape_e.
12841 (struct colorentry): Renamed from struct colorentry_s.
12842 (struct classname): Renamed from struct classname_s.
12843 (struct infoname): Renamed from struct infoname_s.
12844 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
12845 (enum decision): Renamed from enum decision_e.
12846 (enum orientation): Renamed from enum orientation_e.
12847 (enum alignment): Renamed from enum alignment_e.
12848 (enum arrow_mode): Renamed from enum arrow_mode_e.
12849 (enum crossing_type): Renamed from enum crossing_type_e.
12850 (enum view): Renamed from enum view_e.
12851 (struct node): Renamed from struct node_s.
12852 (node): Renamed from node_t.
12853 (enum linestyle): Renamed from enum linestyle_e.
12854 (enum arrowstyle): Renamed from enum arrowstyle_e.
12855 (struct edge): Renamed from struct edge.
12856 (edge): Renamed from edge_t.
12857 (struct graph): Renamed from struct graph_s.
12858 (graph): Renamed from graph_t.
12859 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
12860 Rename value_t -> value.
12861 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
12862 value_t_as_yystype -> value_as_yystype.
12864 Don't include <errno.h> in the mainstream code, since it
12865 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
12866 * lib/get-errno.c, lib/get-errno.h: New files.
12867 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
12869 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
12870 * src/output.c (output_skeleton): Likewise.
12871 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
12873 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
12875 (handle_action_dollar, handle_action_at): Likewise.
12876 * src/system.h: Do not include <errno.h>.
12877 (TAB_EXT): Renamed from EXT_TAB.
12878 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
12880 Avoid str[a-z]*, since <string.h> reserves that name space.
12881 Change all instances of "struniq" in names to "uniqstr", and
12882 likewise for "STRUNIQ" and "UNIQSTR".
12883 * src/uniqstr.c: Renamed from src/struniq.c.
12884 * src/uniqstr.h: Renamed from src/struniq.h.
12885 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
12886 * src/files.c (strsuffix): Remove; unused.
12887 (concat2): Renamed from stringappend. Now static.
12888 * src/files.h (strsuffix, stringappend): Remove; unused.
12889 * src/parse-gram.y (<chars>): Renamed from <string>.
12890 (<uniqstr>): Renamed from <struniq>.
12891 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
12892 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
12893 (struct graph_s.expand): Renamed from struct graph_s.stretch.
12894 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
12895 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
12896 (N_EXPAND): Renamed from N_STRETCH.
12898 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
12899 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
12900 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
12902 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
12903 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
12904 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
12905 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
12906 (BASE_MAXIMUM): Renamed from BASE_MAX.
12907 (BASE_MINIMUM): Renamed from BASE_MIN.
12908 (ACTION_MAX): Remove; unused.
12909 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
12910 Unnecessary casts removed from above defines.
12913 Fix misspelling in names.
12914 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
12915 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
12919 * lib/timevar.c (timevar_report): Renamed from time_report,
12920 for consistency with other names.
12921 * lib/timevar.h (timevar_report): New decl.
12922 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
12925 Sort include-file uses.
12927 Reorder all include files under src to be in the order "system.h".
12928 then the ../lib include files in angle brackets (alphabetized),
12929 then the . include files in double-quotes (alphabetized). Fix
12930 dependency breakages encountered in this process, as follows:
12931 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
12932 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
12933 * src/state.h: Include "symtab.h".
12935 2002-12-08 Paul Eggert <eggert@twinsun.com>
12937 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
12938 since this causes problems when __file__ contains character
12939 sequences like "@" that are treated specially by src/scan-skel.l.
12940 Instead, just use the file's basename. This fixes the bug
12941 reported by Martin Mokrejs in
12942 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
12944 2002-12-06 Paul Eggert <eggert@twinsun.com>
12946 Add support for rules that do not have trailing semicolons, as
12947 POSIX requires. Improve the quality of locations in Bison
12950 * src/location.c: Include <quotearg.h>.
12951 (empty_location): Now const.
12952 (location_print): New function. Follow the recommendation of the
12953 GNU Coding Standards for locations that span file boundaries.
12954 * src/location.h: Do not include <quotearg.h>; no longer needed.
12955 (boundary): New type.
12956 (location_t): Use it. This allows locations to span file boundaries.
12957 All member uses changed: file -> start.file or end.file (as needed),
12958 first_line -> start.line, first_column -> start.column,
12959 last_line -> end.line, last_column -> end.column.
12960 (equal_boundaries): New function.
12961 (LOCATION_RESET, LOCATION_STEP): Remove.
12962 (LOCATION_PRINT): Remove. All callers changed to use location_print.
12963 (empty_location): Now const.
12964 (location_print): New decl.
12965 * src/parse-gram.y (lloc_default): New function, which handles
12966 empty locations more accurately.
12967 (YYLLOC_DEFAULT): Use it.
12968 (%token COLON): Remove.
12969 (%token ID_COLON): New token.
12971 (declarations, rules): Remove trailing semicolon.
12972 (declaration, rules_or_grammar_declaration):
12973 Allow empty (";") declaration.
12974 (symbol_def): Remove empty actions; no longer needed.
12975 (rules_or_grammar_declaration): Remove trailing semicolon.
12976 (semi_colon.opt): Remove.
12977 * src/reader.h: Include location.h.
12978 (scanner_cursor): New decl.
12979 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
12981 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
12983 (STEP): Remove. No longer needed, now that adjust_location does
12984 the work. All uses removed.
12985 (scanner_cursor): New var.
12986 (adjust_location): Renamed from extend_location. It now sets
12987 *loc and adjusts the scanner cursor. All uses changed.
12988 Don't bother testing for CR.
12989 (handle_syncline): Remove location arg; now updates scanner cursor.
12990 All callers changed.
12991 (unexpected_end_of_file): Now accepts start boundary of token or
12992 comment, not location. All callers changed. Update scanner cursor,
12994 (SC_AFTER_IDENTIFIER): New state.
12995 (context_state): Renamed from c_context. All uses changed.
12996 (id_loc, code_start, token_start): New local vars.
12997 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
12998 processing of Yacc white space and equivalents here.
12999 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
13000 instead of returning ID immediately, since we need to search for
13001 a subsequent colon.
13002 (<INITIAL>"'", "\""): Save token_start.
13003 (<INITIAL>"%{", "{", "%%"): Save code_start.
13004 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
13005 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
13006 BEGIN context_state at end, not INITIAL.
13007 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
13008 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
13009 Return correct token start.
13010 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
13011 the start of a character, string or multiline comment is found.
13012 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
13013 Reduction): Adjust reported locations to match the more-precise
13014 results now expected.
13015 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
13016 * tests/reduce.at (Useless Rules, Reduced Automaton,
13017 Underivable Rules): Likewise.
13018 * tests/regression.at (Invalid inputs): No longer `expecting ";"
13019 or "|"' now that so many other tokens are allowed by the new grammar.
13021 * src/complain.h (current_file): Remove duplicate decl;
13022 current_file is now owned by files.h.
13023 * src/complain.c, src/scan-gram.l: Include files.h.
13025 2002-12-06 Paul Eggert <eggert@twinsun.com>
13027 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
13028 promotes to int; it might be unsigned int.
13029 * data/yacc.c (yy_reduce_print): Likewise.
13031 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
13032 be #defined in the prologue, not in the Bison declarations.
13033 This fixes Debian Bug 102878, reported by Shaul Karl.
13035 2002-12-02 Paul Eggert <eggert@twinsun.com>
13037 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
13038 * lib/strtoul.c: New file, from gnulib.
13039 This fixes a porting bug reported by Peter Klein in
13040 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
13042 2002-11-30 Paul Eggert <eggert@twinsun.com>
13044 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
13045 and put only a forward declaration in the prologue. This is for
13046 consistency with the other scanner helper functions.
13048 Type clashes now generate warnings, not errors, since it
13049 appears that POSIX may allow some grammars with type clashes.
13050 * src/reader.c (grammar_current_rule_check): Warn about
13051 type clashes instead of complaining.
13052 * tests/input.at (Type Clashes): Expect warnings, not complaints.
13054 Add Yacc library, since POSIX requires it.
13055 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
13056 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
13057 * lib/main.c, lib/yyerror.c: New files.
13059 gram_error can be static; it need not be extern.
13060 * src/reader.h (gram_error): Remove decl.
13061 * src/parse-gram.y (gram_error): Now static. Add static decl.
13062 (print_token_value): Omit parameter names from forward decl,
13065 2002-11-29 Paul Eggert <eggert@twinsun.com>
13067 * doc/bison.texinfo: Emphasize that yylex and yyerror must
13068 be declared before being used. E.g., one should typically
13069 declare them in the prologue. Use GNU coding style in examples.
13070 Put "const" consistently after the type it modifies. Mention
13071 that C99 supports "inline". Mention that yyerror traditionally
13074 %parse-param and %lex-param now take just one argument, the
13075 declaration; the argument name is deduced from the declaration.
13077 * doc/bison.texinfo (Parser Function, Pure Calling, Error
13078 Reporting, Table of Symbols): Document this.
13079 * src/parse-gram.y (add_param): New function.
13081 (declaration): Implement new rule for %parse-param and %lex-param.
13082 * src/scan-gram.l: "," now elicits a warning, rather than being
13083 a token; this is more compatible with byacc.
13084 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
13086 2002-11-27 Paul Eggert <eggert@twinsun.com>
13088 Rename identifiers to avoid real and potential collisions.
13090 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
13091 to avoid collision with lex macro described by Bruce Lilly in
13092 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
13093 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
13094 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
13095 * src/parse-gram.y (print_token_value): Renamed from yyprint.
13097 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
13098 The name "yycontrol" violates the name space rules, and this stuff
13099 wasn't being used anyway.
13100 (input): Remove action; this stuff wasn't being used.
13101 (gram_error): Rename local variable yylloc -> loc.
13102 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
13103 (YY_DECL): Don't use "yy" at start of local variables.
13104 All uses changed, e.g., yylloc -> loc.
13105 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
13106 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
13107 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
13108 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
13110 * src/parse-gram.y (gram_error): loc is now const *.
13111 * src/reader.h (gram_error): Likewise.
13113 2002-11-24 Paul Eggert <eggert@twinsun.com>
13117 * tests/actions.at (Actions after errors): Use an output format
13118 more similar to that of the Printers and Destructors test.
13119 Test the position of the ';' token too.
13120 (Printers and Destructors): Likewise.
13121 (Printers and Destructors: %glr-parser): Remove for now, to avoid
13122 unnecessarily alarming people when the test fails.
13124 * data/yacc.c (yyerrlab1): Move this label down, so that the
13125 parser does not discard the lookahead token if the user code
13126 invokes YYERROR. This change is required for POSIX conformance.
13128 * lib/error.c: Sync with gnulib.
13130 2002-11-22 Paul Eggert <eggert@twinsun.com>
13132 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
13133 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
13134 * lib/xmalloc.c: Likewise.
13136 2002-11-20 Paul Eggert <eggert@twinsun.com>
13138 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
13140 2002-11-20 Paul Eggert <eggert@twinsun.com>
13142 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
13143 should use `if (! x) abort ();' rather than `assert (x);', and
13144 anyway it's one less thing to worry about configuring.
13146 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
13147 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
13148 and replace all instances of assert with abort.
13149 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
13150 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
13152 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
13153 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
13154 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
13155 hash_find_entry, hash_rehash, hash_insert): Likewise.
13156 * src/conflicts.c (resolve_sr_conflict): Likewise.
13157 * src/lalr.c (set_goto_map, map_goto): Likewise.
13158 * src/nullable.c (nullable_compute): Likewise.
13159 * src/output.c (prepare_rules, token_definitions_output): Likewise.
13160 * src/reader.c (packgram, reader): Likewise.
13161 * src/state.c (state_new, state_free, state_transitions_set,
13162 state_reduction_find): Likewise.
13163 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
13164 symbol_pack): Likewise.
13165 * src/tables.c (conflict_row, pack_vector): Likewise.
13166 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
13167 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
13168 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
13169 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
13171 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
13172 (ARGMATCH_CONSTRAINT): New macro.
13173 (ARGMATCH_ASSERT): Use it.
13175 * src/system.h (verify): New macro.
13176 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
13177 rather than assert.
13178 * src/tables.c (tables_generate): Likewise.
13180 * src/struniq.c (struniq_assert): Now returns void, and aborts
13181 if the assertion is false.
13182 (struniq_assert_p): Remove.
13183 * src/struniq.h: Likewise.
13185 2002-11-18 Paul Eggert <eggert@twinsun.com>
13187 * data/glr.c (yygetLRActions): Replace `yyindex' with
13188 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
13189 This fixes the regression with Sun ONE Studio 7 cc that I reported in
13190 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
13192 2002-11-18 Akim Demaille <akim@epita.fr>
13194 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
13196 From Tim Van Holder.
13198 2002-11-17 Paul Eggert <eggert@twinsun.com>
13200 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
13201 to "SyntaxError" for consistency with my 2002-11-15 change.
13203 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
13204 not define to {}, since this breaks the common use of `YYDPRINTF
13205 ((...));' if a single statement is desired (e.g. before `else').
13206 Work around GCC warnings by surrounding corresponding calls with
13208 (yyhasResolvedValue): Remove unused function.
13209 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
13211 (yyreportSyntaxError): Renamed from yyreportParseError.
13212 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
13214 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
13215 extern when possible. Remove unused initializations.
13217 2002-11-16 Akim Demaille <akim@epita.fr>
13219 Augment the similarity between GLR and LALR traces.
13221 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
13222 (YY_REDUCE_PRINT): New.
13223 (yyparse): Use them.
13224 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
13226 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
13227 state reached after the reduction/recovery, since...
13228 (yyparse, yyprocessOneStack): Report the state we are entering in.
13230 2002-11-16 Akim Demaille <akim@epita.fr>
13232 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
13233 Add support for --trace=skeleton.
13234 * src/scan-skel.l: %option debug.
13235 Scan strings of non-@ or \n instead of character by character.
13236 (scan_skel): Handle trace_skeleton.
13238 (@output_parser_name@, @output_header_name@): ``Restore'' their
13239 support (used to be M4 macros).
13240 * data/yacc.c: Quote larger chunks, a la glr.c.
13241 * data/lalr1.cc: Likewise.
13242 The header guards are no longer available, so use some other
13243 string than `YYLSP_NEEDED'.
13245 2002-11-16 Akim Demaille <akim@epita.fr>
13247 Make the ``Printers and Destructors'' test more verbose, taking
13248 `yacc.c''s behavior as (possibly wrong) reference.
13250 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
13251 instead of fprint on stdout.
13252 Set and report the last_line of the symbols.
13253 Consistently display values and locations.
13255 2002-11-16 Paul Eggert <eggert@twinsun.com>
13257 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
13259 2002-11-15 Paul Eggert <eggert@twinsun.com>
13261 * tests/actions.at (Actions after errors): New test case.
13263 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
13264 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
13265 tests/action.at, tests/calc.at, tests/conflicts.at,
13266 tests/cxx-type.at, tests/regression.at:
13267 "parse error" -> "syntax error" for POSIX compatibility.
13268 "parsing stack overflow..." -> "parser stack overflow" so
13269 that code matches Bison documentation.
13271 2002-11-15 Akim Demaille <akim@epita.fr>
13273 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
13274 take two BRACED_CODE, not two string_content.
13275 Free the scanner's obstack when we are done.
13276 (code_content): New.
13277 * tests/calc.at: Adjust.
13278 * doc/bison.texinfo: Adjust.
13279 Also, make sure to include the `,' for these declarations.
13281 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
13283 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
13284 definition; avoids potential autoreconf problems.
13286 2002-11-15 Akim Demaille <akim@epita.fr>
13288 Always check the value returned by yyparse.
13290 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
13291 returned by yyparse.
13292 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
13294 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
13295 returned by yyparse.
13297 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13299 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
13302 2002-11-14 Paul Eggert <eggert@twinsun.com>
13304 * src/output.c (output_skeleton): Call xfopen instead of
13305 duplicating xfopen's body.
13307 Fix bugs reported by Nelson H. F. Beebe in
13308 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
13310 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
13311 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
13312 Group compiler. Instead, use "$CC -E bar.c". Include the .h
13313 file twice in the grammar, as an extra check.
13315 * tests/input.at (Torturing the Scanner): Surround the
13316 backslash-newline tests with "#if 0", to make it less likely that
13317 we'll run into compiler bugs. Bring back solitary \ inside
13318 comment, but add a closing comment to work around HP C bug. Don't
13319 test backslash-newline in C character constant.
13321 2002-11-14 Akim Demaille <akim@epita.fr>
13323 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
13324 status of the compiler.
13325 Calling `exit 1' is no longer needed.
13326 Reported by Nelson H. F. Beebe.
13328 2002-11-14 Akim Demaille <akim@epita.fr>
13330 * tests/atlocal.in (CPPFLAGS): We have config.h.
13331 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
13333 * tests/actions.at, tests/calc.at, tests/conflicts.at,
13334 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
13335 * tests/regression.at, tests/torture.at: Use them for all the
13336 grammars that are to be compiled.
13337 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
13338 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
13339 * doc/bison.texinfo (GLR Parsers): Document `inline'.
13341 2002-11-14 Akim Demaille <akim@epita.fr>
13343 * doc/bison.texinfo: Various formatting changes (alignments in
13344 samples, additional @group/@end group, GCS in samples.
13345 Use @deffn instead of simple @table to define the directives,
13346 macros, variables etc.
13348 2002-11-13 Paul Eggert <eggert@twinsun.com>
13350 Fix some bugs reported by Albert Chin-A-Young in
13351 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
13353 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
13354 -o c"; the HP C compiler chatters during compilation.
13355 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
13356 * tests/headers.at (export YYLTYPE): Likewise.
13358 * tests/input.at (Torturing the Scanner): Remove lines containing
13359 solitary backslashes, as they tickle a bug in the HP C compiler.
13361 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
13362 comments, since they're not portable. Use GNU coding style.
13364 2002-11-13 Akim Demaille <akim@epita.fr>
13366 * data/yacc.c: Leave bigger chunks of quoted text.
13367 (YYDSYMPRINTF): New.
13368 Use it to report symbol activities.
13369 * data/glr.c (YYDSYMPRINTF): New.
13372 2002-11-12 Paul Eggert <eggert@twinsun.com>
13376 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
13377 (yyglrReduce): Return yyok, not 0.
13378 This should avoid the enumerated-type warnings reported
13379 by Nelson H. F. Beebe in
13380 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
13382 * lib/bbitset.h (BITSET_INLINE): Remove.
13383 * lib/bitset.h [! BITSET_INLINE]: Remove.
13384 (bitset_set, bitset_reset, bitset_test): Rename local vars
13385 to avoid shadowing warnings by GCC.
13387 * data/glr.c (inline): Remove #define. It's the user's
13388 responsibility to #define it away, just like 'const'.
13389 This fixes one of the bugs reported by Nelson H. F. Beebe in
13390 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
13392 * Makefile.maint (po-check): Scan .l and .y files instead of the
13393 .c and the .h files that they generate. This fixes the bug
13394 reported by Tim Van Holder in:
13395 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
13396 Look for N_ as well as for _. Try to avoid matching #define for
13398 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
13399 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
13400 * src/scan-gram.l: Revamp regular expressions so that " and '
13401 do not confuse xgettext.
13403 * src/struniq.h (struniq_new): Do not declare the return type
13404 to be 'const'; this violates the C standard.
13405 * src/struniq.c (struniq_new): Likewise.
13407 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
13409 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
13410 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
13413 2002-11-12 Akim Demaille <akim@epita.fr>
13415 * Makefile.maint: Sync with Autoconf:
13416 (local_updates): New.
13418 2002-11-12 Akim Demaille <akim@epita.fr>
13420 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
13422 2002-11-12 Akim Demaille <akim@epita.fr>
13424 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
13427 2002-11-12 Akim Demaille <akim@epita.fr>
13429 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
13432 2002-11-12 Akim Demaille <akim@epita.fr>
13434 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
13435 Use it to test the GLR parser.
13437 2002-11-12 Akim Demaille <akim@epita.fr>
13439 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
13441 * data/glr.c (yystos): New.
13442 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
13443 (YYDSYMPRINT): New.
13444 (yyval): Don't define it, it is handled via M4.
13445 (yyrecoverParseError): Free verbosely the discarded symbols.
13446 * data/yacc.c (yysymprint): Remove, rather...
13447 (b4_yysymprint_generate): invoke.
13448 * data/c.m4 (b4_yysymprint_generate): New.
13449 Accept pointers as arguments, as opposed to the version from
13451 (b4_yydestruct_generate): Likewise.
13452 * tests/cations.at (Printers and Destructors): Use Bison directives
13453 instead of CPP macros.
13454 Don't rely on internal details.
13456 2002-11-12 Akim Demaille <akim@epita.fr>
13458 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
13459 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
13460 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
13461 it against YYEMPTY and so forth), work on yytoken (i.e., set
13462 it to YYEMPTY etc.).
13463 (yydestruct): Replace with a b4_yydestruct_generate invocation.
13464 (b4_symbol_actions): Remove.
13465 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
13466 for 0, end-of-input.
13468 2002-11-12 Akim Demaille <akim@epita.fr>
13470 * doc/bison.texinfo (Destructor Decl): New.
13472 2002-11-12 Akim Demaille <akim@epita.fr>
13474 * src/tables.c (tables_generate): Use free for pointers that
13475 cannot be NULL, not XFREE.
13476 (pack_vector): Use assert, not fatal, for bound violations.
13477 * src/state.c (state_new): Likewise.
13478 * src/reader.c (reader): Likewise.
13479 * src/lalr.c (set_goto_map): Likewise.
13480 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
13483 2002-11-12 Akim Demaille <akim@epita.fr>
13485 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
13487 * src/scan-gram.l (last_string): Is global to the file, not to
13489 * src/parse-gram.y (input): Don't append the epilogue here,
13490 (epilogue.opt): do it here, and free the scanner's obstack.
13491 * src/reader.c (epilogue_set): Rename as...
13492 (epilogue_augment): this.
13493 * data/c.m4 (b4_epilogue): Defaults to empty.
13495 2002-11-12 Akim Demaille <akim@epita.fr>
13497 * src/getargs.c (long_options): Remove duplicates.
13498 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
13500 * doc/bison.rnh: Remove.
13501 * doc/bison.texinfo (VMS Invocation): Remove.
13503 2002-11-12 Akim Demaille <akim@epita.fr>
13505 * src/struniq.h, src/struniq.c (struniq_t): Is const.
13506 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
13508 Use struniq for symbols.
13510 * src/symtab.h (symbol_t): The tag member is a struniq.
13511 (symbol_type_set): Adjust.
13512 * src/symtab.c (symbol_new): Takes a struniq.
13513 (symbol_free): Don't free the tag member.
13514 (hash_compare_symbol_t, hash_symbol_t): Rename as...
13515 (hash_compare_symbol, hash_symbol): these.
13516 Use the fact that tags as struniqs.
13517 (symbol_get): Use struniq_new.
13518 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
13520 * src/reader.h (merger_list, grammar_currentmerge_set): The name
13521 and type members are struniqs.
13522 * src/reader.c (get_merge_function)
13523 (grammar_current_rule_merge_set): Adjust.
13524 (TYPE, current_type): Are struniq.
13526 Use struniq for file names.
13528 * src/files.h, src/files.c (infile): Split into...
13529 (grammar_file, current_file): these.
13530 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
13531 * src/reduce.c (reduce_print): Likewise.
13532 * src/getargs.c (getargs): Likewise.
13533 * src/complain.h, src/complain.c: Likewise.
13534 * src/main.c (main): Call struniqs_new early enough to use it for
13536 Don't free the input file name.
13538 2002-11-12 Akim Demaille <akim@epita.fr>
13540 * src/symtab.c (symbol_free): Remove dead deactivated code:
13541 type_name are properly removed.
13542 Don't use XFREE to free items that cannot be NULL.
13543 * src/struniq.h, src/struniq.c: New.
13544 * src/main.c (main): Initialize/free struniqs.
13545 * src/parse-gram.y (%union): Add astruniq member.
13547 * src/scan-gram.l (<{tag}>): Return a struniq.
13548 Free the obstack bit that used to store it.
13549 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
13551 2002-11-11 Paul Eggert <eggert@twinsun.com>
13553 Revamp to fix many (but not all) of the C- and M4-related quoting
13554 problems. Among other things, this fixes the Bison bug reported
13555 by Jan Hubicka when processing the Bash grammar; see:
13556 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
13558 Use new @ escapes consistently. Represent brackets with @{ and @}
13559 rather than @<:@ and @:>@, since this works a bit better with dumb
13560 editors like vi. Represent @ with @@, since @ is now consistently
13561 an escape. Use @oline@ and @ofile@ rather than __oline__ and
13562 __ofile__, to avoid unexpected expansions. Similarly, use @output
13563 rather than #output.
13565 * data/c.m4 (b4_copyright): Omit file name from comment, since
13566 the file name could contain "*/".
13567 (b4_synclines_flag): Don't quote the 2nd argument; it should already
13568 be quoted. All uses changed.
13570 * data/glr.c: Use new @ escapes consistently.
13571 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
13572 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
13573 Remove, since they couldn't handle arbitrary characters in file
13575 * data/lalr1.cc: Likewise.
13576 * data/yacc.c: Likewise.
13578 * src/files.c (output_infix): Remove; all uses removed.
13579 * src/files.h: Likewise.
13581 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
13582 mishandled funny characters in file names, and anyway it isn't
13584 * data/yacc.c: Likewise.
13585 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
13587 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
13588 * data/yacc.c: Likewise.
13590 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
13592 (muscle_init): Quote filename as a C string.
13593 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
13594 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
13595 * src/output.c (escaped_file_name_output): New function.
13596 (prepare_symbols): Quote tokens for M4.
13597 (prepare): Don't insert output_infix, output_prefix,
13598 output_parser_name, output_header_name; this is now down by scan-skel.
13599 Insert skeleton as a C string.
13601 * src/output.c (user_actions_output, symbol_destructors_output,
13602 symbol_printers_output): Quote filenames for C and M4.
13603 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13605 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
13606 escapes other than \\ and \'; this simplifies the code.
13607 (<SC_STRING>): Likewise, for \\ and \".
13608 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
13609 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
13610 Use new escapes @{ and @} for [ and ].
13612 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
13613 them with auto vars.
13614 Switch to new escape scheme, where @ is the escape character uniformly.
13615 Abort if a stray escape character is found. Avoid unbounded input
13616 buffer when parsing non-escaped text.
13618 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
13619 __oline__, #output, $@, and @{ do not have unintended meanings.
13621 2002-11-09 Paul Eggert <eggert@twinsun.com>
13623 Fix the test failure due to GCC warnings described in
13624 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
13625 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
13626 evaluate to 0 if it's impossible for NINF to be in the respective
13628 (yygetLRActions, yyrecoverParseError): Use them.
13630 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
13631 counted in the token inserted at end of file. Now takes
13632 location_t *, not location_t, so that the location can be
13633 adjusted. All uses changed.
13635 * tests/regression.at (Invalid inputs): Adjust wording in
13636 diagnostic to match the new behavior.
13638 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
13639 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
13640 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
13641 abort ();'. This reduces the runtime of the "Many lookaheads"
13642 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
13645 2002-11-07 Paul Eggert <eggert@twinsun.com>
13647 * src/parse-gram.y (CHARACTER): Remove unused token.
13650 * src/scan-gram.l: Remove stack option. We no longer use the
13651 stack, since the stack was never deeper than 1; instead, use the
13652 new auto var c_context to record the stacked value.
13654 Remove nounput option. At an unexpected end of file, we now unput
13655 the minimal input necessary to end cleanly; this simplifies the
13658 Avoid unbounded token sizes where this is easy.
13660 (unexpected_end_of_file): New function.
13661 Use it to systematize the error message on unexpected EOF.
13662 (last-string): Now auto, not static.
13663 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
13664 (scanner_last_string_free): Remove; not used.
13665 (percent_percent_count): Move decl to just before use.
13666 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
13667 not the (never otherwised-used) CHARACTER.
13669 2002-11-07 Akim Demaille <akim@epita.fr>
13671 Let yyerror always receive the msg as last argument, so that
13672 yyerror can be variadic.
13674 * data/yacc.c (b4_yyerror_args): New.
13675 Use it when calling yyerror.
13676 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
13677 Use it when calling yyerror.
13678 * doc/bison.texinfo (Error Reporting): Adjust.
13679 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
13680 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
13682 2002-11-06 Akim Demaille <akim@epita.fr>
13684 #line should have quoted strings.
13685 Ideally, this should be done by m4_quotearg.
13687 * src/scan-skel.l: Include quotearg.h.
13689 * src/output.c (symbol_printers_output)
13690 (symbol_destructors_output): Quote the file name.
13692 2002-11-06 Akim Demaille <akim@epita.fr>
13694 * tests/regression.at (Invalid inputs): Adjust to the recent
13697 2002-11-06 Akim Demaille <akim@epita.fr>
13699 Restore --no-lines.
13700 Reported by Jim Kent.
13702 * data/c.m4 (b4_syncline): New.
13703 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
13704 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
13705 * src/output.c (user_actions_output): Likewise.
13706 (prepare): Define 'b4_synclines_flag'.
13707 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
13709 2002-11-06 Akim Demaille <akim@epita.fr>
13711 * src/main.c (main): Free `infile'.
13712 * src/scan-gram.l (handle_syncline): New.
13714 * src/output.c (user_actions_output, symbol_destructors_output)
13715 (symbol_printers_output): Use the location's file name, not
13717 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13719 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13721 * src/tables.c (matching_state): Don't allow states to match if
13722 either has GLR conflict entries.
13724 2002-11-05 Paul Eggert <eggert@twinsun.com>
13726 * src/scan-gram.l: Use more accurate diagnostics, e.g.
13727 "integer out of range" rather than "invalid value".
13728 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
13731 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
13732 Also, remove one static variable in the scanner.
13734 * src/scan-gram.l (braces_level): Now auto, not static.
13735 Initialize to zero if the compiler is being picky.
13736 (INITIAL): Clear braces_level instead of incrementing it.
13737 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
13738 as POSIX 1003.1-2001 requires.
13739 * src/system.h (IF_LINT): New macro, taken from coreutils.
13740 * configure.ac: Define "lint" if --enable-gcc-warnings.
13742 2002-11-05 Akim Demaille <akim@epita.fr>
13744 * src/scan-gram.l: When it starts with `%', complain about the
13745 whole directive, not just that `invalid character: %'.
13747 2002-11-04 Akim Demaille <akim@epita.fr>
13749 * Makefile.maint: Update from Autoconf.
13750 (update, cvs-update, po-update, do-po-update): New.
13752 2002-11-04 Akim Demaille <akim@epita.fr>
13754 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
13756 Have yyerror `use' its arguments.
13757 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
13758 returns true when location & yacc & pure & parse-param.
13759 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
13761 2002-11-04 Akim Demaille <akim@epita.fr>
13763 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
13765 * src/scan-gram.l: Use [\'] instead of ['] to pacify
13768 Use quote, not quote_n since LOCATION_PRINT no longer uses the
13771 2002-11-03 Paul Eggert <eggert@twinsun.com>
13773 * src/reader.c (get_merge_function, grammar_current_rule_check):
13774 Use consistent diagnostics for reporting type name clashes.
13775 Quote the types with <>, for consistency with Yacc.
13776 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
13778 2002-11-03 Akim Demaille <akim@epita.fr>
13780 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
13782 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
13783 (b4_parse_param): Remove.
13784 Use b4_identification.
13785 Propagate b4_pure_args where needed to pass them to yyerror.
13786 * data/glr.m4 (b4_parse_param): Remove.
13787 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
13788 (b4_lpure_formals): New.
13789 Use b4_identification.
13790 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
13791 b4_user_formals and b4_user_args.
13792 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
13793 (yyreportAmbiguity): When using a pure parser, also need
13794 the location, and the parse-params.
13796 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
13797 When using a pure parser, also need the parse-params.
13799 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
13800 (%pure-parser + %parse-param) LALR and GLR parsers.
13801 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
13802 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
13803 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
13804 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
13805 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
13806 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
13807 * doc/bison.texinfo: Untabify the whole file.
13808 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
13809 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
13810 (Error Reporting): Adjust to these new directives.
13811 Document %error-verbose, deprecate YYERROR_VERBOSE.
13813 2002-11-03 Akim Demaille <akim@epita.fr>
13815 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
13816 AT_CHECK_CALC_GLR invocations to use % directives, instead of
13817 command line options.
13818 * tests/cxx-type.at: Formatting changes.
13820 2002-11-03 Paul Eggert <eggert@twinsun.com>
13822 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
13823 to count columns correctly, and to check for invalid inputs.
13825 Use mbsnwidth to count columns correctly. Account for tabs, too.
13826 Include mbswidth.h.
13827 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
13828 (extend_location): New function.
13829 (YY_LINES): Remove.
13831 Handle CRLF in C code rather than in Lex code.
13832 (YY_INPUT): New macro.
13833 (no_cr_read): New function.
13835 Scan UCNs, even though we don't fully handle them yet.
13836 (convert_ucn_to_byte): New function.
13838 Handle backslash-newline correctly in C code.
13839 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
13840 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
13842 (tag, splice): New EREs. Do not allow NUL or newline in tags.
13843 Use {splice} wherever C allows backslash-newline.
13844 YY_STEP after space, newline, vertical-tab.
13845 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
13847 (letter, id): Don't assume ASCII; e.g., spell out a-z.
13849 ({int}, handle_action_dollar, handle_action_at): Check for integer
13852 (YY_STEP): Omit trailing semicolon, so that it's more like C.
13854 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
13855 as well as \000. Check for UCHAR_MAX, not 255.
13856 Allow \x with an arbitrary positive number of digits, as in C.
13857 Check for overflow here.
13858 Allow \? and UCNs, for compatibility with C.
13860 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
13861 with quote slot used by complain_at.
13863 * tests/input.at: Add tests for backslash-newline, m4 quotes
13864 in symbols, long literals, and funny escapes in strings.
13866 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
13867 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
13868 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
13869 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
13870 * m4/mbswidth.m4: New file, from GNU coreutils.
13872 * doc/bison.texinfo (Grammar Outline): Document // comments.
13873 (Symbols): Document that trigraphs have no special meaning in Bison,
13874 nor is backslash-newline allowed.
13875 (Actions): Document that trigraphs have no special meaning.
13877 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
13880 2002-11-02 Paul Eggert <eggert@twinsun.com>
13882 * src/reader.c: Don't include quote.h; not needed.
13883 (get_merge_function): Reword warning to be consistent with
13884 type clash diagnostic in grammar_current_rule_check.
13886 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
13887 bug in trigraph handling.
13889 * src/output.c (prepare_symbols): When printing token names,
13890 escape "[" as "@<:@" and likewise for "]".
13892 * src/system.h (errno): Remove declaration, as we are now
13893 assuming C89 or better, and C89 guarantees errno.
13895 2002-10-30 Paul Eggert <eggert@twinsun.com>
13897 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
13898 Check for close failures.
13899 * src/files.h (xfclose): Return void, not int, since it always
13901 * src/files.c (xfclose): Likewise. Report I/O error if ferror
13903 * src/output.c (output_skeleton): Use xfclose rather than fclose
13904 and ferror. xfclose now checks ferror.
13906 * data/glr.c (YYLEFTMOST_STATE): Remove.
13907 (yyreportTree): Use a stack-based leftmost state. This avoids
13908 our continuing battles with bogus warnings about initializers.
13910 2002-10-30 Akim Demaille <akim@epita.fr>
13912 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
13915 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13917 * tests/glr-regr1.at: New test for reported regressions.
13918 * tests/testsuite.at: Add glr-regr1.at test.
13919 * tests/Makefile.am: Add glr-regr1.at test.
13921 2002-10-24 Paul Eggert <eggert@twinsun.com>
13925 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
13926 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
13927 we use malloc. Don't assume 'A' through 'Z' are contiguous.
13928 Don't assume strdup exists; POSIX says its an XSI extension.
13929 Check for buffer overflow on input.
13931 2002-10-24 Akim Demaille <akim@epita.fr>
13933 * src/output.c (output_skeleton): Don't disable M4sugar comments
13934 too soon: it results in comments being expanded.
13935 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
13938 2002-10-24 Akim Demaille <akim@epita.fr>
13940 * data/yacc.c (m4_int_type): New.
13941 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
13942 char' as only yacc.c wants K&R portability.
13943 * data/glr.c (yysigned_char): Remove.
13944 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
13945 Reported by Quoc Peyrot.
13947 2002-10-23 Paul Eggert <eggert@twinsun.com>
13949 * src/main.c (main): With --trace=time, report times even if a
13950 non-fatal error occurs. Formerly, the times were reported in some
13951 such cases but not in others.
13952 * src/reader.c (reader): Just return if a complaint has been issued,
13953 instead of exiting, so that 'main' can report times.
13955 2002-10-22 Akim Demaille <akim@epita.fr>
13957 * src/system.h: Include sys/types.
13958 Reported by Bert Deknuydt.
13960 2002-10-23 Paul Eggert <eggert@twinsun.com>
13962 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
13963 Suggested by Art Haas.
13965 2002-10-22 Paul Eggert <eggert@twinsun.com>
13967 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
13968 decl; not needed any more.
13969 * src/main.c (main): Use return to exit, undoing yesterday's change.
13970 The last OS that we could find where this wouldn't work is
13971 SunOS 3.5, and that's too old to worry about now.
13973 * data/glr.c (struct yyltype): Define members even when not
13974 doing locations. This is more consistent with yacc.c, and it
13975 works around the following bug reports:
13976 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
13977 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
13979 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
13980 @acronym consistently. Standardize on "Yacc" instead of "YACC",
13981 "Algol" instead of "ALGOL". Give a bit more history about BNF.
13983 2002-10-22 Akim Demaille <akim@epita.fr>
13985 * data/README: New.
13987 2002-10-21 Paul Eggert <eggert@twinsun.com>
13989 Be consistent about 'bool'; the old code used an enum in one
13990 module and an int in another, and this violates the C standard.
13991 * m4/stdbool.m4: New file, from coreutils 4.5.3.
13992 * configure.ac (AC_HEADER_STDBOOL): Add.
13993 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
13994 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
13995 * src/symtab.c (hash_compare_symbol_t): Likewise.
13996 * src/system.h (bool, false, true): Use a definition consistent
13997 with ../lib/hash.c. All uses changed.
13999 * src/complain.c (warning_issued): Renamed from warn_message_count,
14000 so that we needn't worry about integer overflow (!).
14001 Now of type bool. All uses changed.
14002 (complaint_issued): Renamed from complain_message_count; likewise.
14004 * src/main.c (main): Use exit to exit with failure.
14006 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
14007 rather than 1 and 0.
14008 * src/main.c (main): Likewise.
14009 * src/getargs.c (getargs): Likewise.
14010 * src/reader.c (reader): Likewise.
14012 * src/getarg.c (getargs): Remove duplicate code for
14013 "Try `bison --help'".
14015 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
14016 What was that "2" for?
14018 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
14019 * src/getargs.c (usage): Likewise.
14021 * src/getargs.c (getargs): When there are too few operands, report
14022 the last one. When there are too many, report the first extra
14023 one. This is how diffutils does it.
14025 2002-10-20 Paul Eggert <eggert@twinsun.com>
14027 Remove K&R vestiges.
14028 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
14029 * src/complain.c (VA_START): Remove. Assume prototypes.
14030 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
14031 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
14032 fatal): Assume prototypes.
14033 * src/complain.h: Assume prototypes.
14034 * src/system.h (PARAMS): Remove.
14035 Include <limits.h> unconditionally, since it's guaranteeed even
14036 for a freestanding C89 compiler.
14037 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
14038 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
14040 2002-10-20 Akim Demaille <akim@epita.fr>
14042 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
14043 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
14044 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
14045 (yyresolveStates, yyresolveAction, yyresolveStack)
14046 (yyprocessOneStack): Use them.
14047 (yy_reduce_print): New.
14048 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
14050 2002-10-20 Akim Demaille <akim@epita.fr>
14052 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
14053 arguments and output `void'.
14054 (b4_c_function): Rename as...
14055 (b4_c_function_def): this.
14056 (b4_c_function_decl, b4_c_ansi_function_def)
14057 (b4_c_ansi_function_decl): New.
14058 Change the interpretation of the arguments: before `int, foo', now
14060 * data/yacc.c (yyparse): Prototype and define thanks to these.
14061 Adjust b4_c_function_def uses.
14062 * data/glr.c (yyparse): Likewise, but ANSI only.
14064 2002-10-20 Akim Demaille <akim@epita.fr>
14066 * src/output.c (prepare): Move the definition of `tokens_number',
14067 `nterms_number', `undef_token_number', `user_token_number_max'
14069 (prepare_tokens): Here.
14070 (prepare_tokens): Rename as...
14071 (prepare_symbols): this.
14072 (prepare): Move the definition of `rules_number' to...
14073 (prepare_rules): here.
14074 (prepare): Move the definition of `last', `final_state_number',
14075 `states_number' to...
14076 (prepare_states): here.
14077 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
14079 2002-10-20 Akim Demaille <akim@epita.fr>
14081 * src/tables.h, src/tables.c, src/output.c: Comment changes.
14083 2002-10-20 Akim Demaille <akim@epita.fr>
14085 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
14088 2002-10-20 Akim Demaille <akim@epita.fr>
14090 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
14091 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
14093 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
14095 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
14096 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
14099 2002-10-19 Paul Eggert <eggert@twinsun.com>
14101 Do not create a temporary file, as that involves security and
14102 cleanup headaches. Instead, use a pair of pipes.
14103 Derived from a suggestion by Florian Krohm.
14104 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
14105 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
14106 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
14107 (BISON_PREREQ_SUBPIPE): Add.
14108 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
14109 Add subpipe.h, subpipe.c.
14110 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
14111 * po/POTFILES.in: Add lib/subpipe.c.
14112 * src/output.c: Include "subpipe.h".
14113 (m4_invoke): Remove decl.
14114 (scan_skel): New decl.
14115 (output_skeleton): Use pipe rather than temporary file for m4 input.
14116 Check that m4sugar.m4 is readable, to avoid deadlock.
14117 Check for pipe I/O error.
14118 * src/scan-skel.l (readpipe): Remove decl.
14119 (scan_skel): New function, to be used in place of m4_invoke.
14120 Read from stream rather than file.
14122 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
14123 float, as this generates a warning on Solaris 8 + GCC 3.2 with
14124 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
14125 this generates a more-accurate value anyway.
14127 * lib/timevar.c (timervar_accumulate): Rename locals to
14128 avoid confusion with similarly-named more-global.
14129 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
14131 * src/output.c (prepare): Use xstrdup to convert char const *
14132 to char *, to avoid GCC warning.
14134 2002-10-19 Akim Demaille <akim@epita.fr>
14136 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
14137 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
14138 Use them to have `calc.y' ready for %pure-parser.
14139 * data/yacc.c (YYLEX): Pass a yylex return type to
14140 b4_c_function_call.
14142 2002-10-19 Akim Demaille <akim@epita.fr>
14144 Prototype support of %lex-param and %parse-param.
14146 * src/parse-gram.y: Add the definition of the %lex-param and
14147 %parse-param tokens, plus their rules.
14148 Drop the `_' version of %glr-parser.
14150 * src/scan-gram.l (INITIAL): Scan them.
14151 * src/muscle_tab.c: Comment changes.
14152 (muscle_insert, muscle_find): Rename `pair' as `probe'.
14153 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
14154 (muscle_entry_s): The `value' member is no longer const.
14155 Adjust all dependencies.
14156 * src/muscle_tab.c (muscle_init): Adjust: use
14157 MUSCLE_INSERT_STRING.
14158 Initialize the obstack earlier.
14159 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
14160 (muscle_pair_list_grow): New.
14161 * data/c.m4 (b4_c_function_call, b4_c_args): New.
14162 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
14163 * tests/calc.at: Use %locations, not --locations.
14164 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
14166 2002-10-19 Akim Demaille <akim@epita.fr>
14168 * src/getargs.c (usage): Take status as argument and exit
14170 Report the traditional `Try ... --help' message when status != 0.
14171 (usage, version): Don't take a FILE * as arg, it is pointless.
14172 (getargs): When there is an incorrect number of arguments, make it
14173 an error, and report it GNUlically thanks to `usage ()'.
14175 2002-10-18 Paul Eggert <eggert@twinsun.com>
14177 * data/glr.c (yyreportParseError): Don't assume that sprintf
14178 yields the length of the printed string, as this is not true
14179 on SunOS 4.1.4. Reported by Peter Klein.
14181 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
14182 * tests/conflicts.at (%nonassoc and eof): Likewise.
14183 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
14185 2002-10-17 Akim Demaille <akim@epita.fr>
14187 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
14188 * src/getargs.c (trace_types, trace_args): Adjust.
14189 * src/reader.c (grammar_current_rule_prec_set)
14190 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
14191 Standardize error messages.
14192 And s/@prec/%prec/!
14193 (reader): Use trace_flag to enable scanner/parser debugging,
14194 instead of an adhoc scheme.
14195 * src/scan-gram.l: Remove trailing debugging code.
14197 2002-10-16 Paul Eggert <eggert@twinsun.com>
14199 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
14202 * NEWS: Officially drop support for building Bison with K&R C,
14203 since it didn't work anyway and it's not worth worrying about.
14204 * Makefile.maint (wget_files): Remove ansi2knr.c.
14205 (ansi2knr.c-url_prefix): Remove.
14206 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
14207 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14208 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14210 2002-10-15 Paul Eggert <eggert@twinsun.com>
14212 Stop using the "enum_" trick for K&R-style function definitions;
14213 it confused me, and I was the author! Instead, assume that people
14214 who want to use K&R C compilers (when using these modules in GCC,
14215 perhaps?) will run ansi2knr.
14217 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
14218 All uses of "enum_" changed to "enum ".
14219 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14220 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14222 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
14223 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
14224 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
14225 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
14226 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
14227 abitset_not, abitset_ones, abitset_or, abitset_or_and,
14228 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
14229 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
14230 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
14231 Use function prototypes; this removes the need for declaring
14232 static functions simply to provide their prototypes.
14233 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
14234 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
14235 bitset_count_, bitset_create, bitset_dump, bitset_first,
14236 bitset_free, bitset_init, bitset_last, bitset_next,
14237 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
14238 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
14239 bitset_print, bitset_release_memory, bitset_toggle_,
14240 bitset_type_choose, bitset_type_get, bitset_type_name_get,
14241 debug_bitset): Likewise.
14242 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
14243 * lib/bitset_stats.c (bitset_log_histogram_print,
14244 bitset_percent_histogram_print, bitset_stats_and,
14245 bitset_stats_and_cmp, bitset_stats_and_or,
14246 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
14247 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
14248 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
14249 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
14250 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
14251 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
14252 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
14253 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
14254 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
14255 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
14256 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
14257 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
14258 bitset_stats_zero): Likewise.
14259 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14260 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14261 bitsetv_dump, debug_bitsetv): Likewise.
14262 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
14263 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
14264 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
14265 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
14266 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
14267 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
14268 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
14269 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
14270 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
14271 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
14272 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
14274 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
14275 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
14276 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
14277 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
14278 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
14279 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
14280 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
14281 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
14282 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
14283 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
14284 lbitset_xor_cmp, lbitset_zero): Likewise.
14286 2002-10-14 Akim Demaille <akim@epita.fr>
14290 2002-10-14 Akim Demaille <akim@epita.fr>
14292 * tests/Makefile.am (maintainer-check-posix): New.
14294 2002-10-14 Akim Demaille <akim@epita.fr>
14296 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
14299 2002-10-14 Akim Demaille <akim@epita.fr>
14301 * src/tables.c (table_ninf_remap): base -> tab.
14302 Reported by Matt Rosing.
14304 2002-10-14 Paul Eggert <eggert@twinsun.com>
14306 * tests/action.at, tests/calc.at, tests/conflicts.at,
14307 tests/cxx-type.at, tests/headers.at, tests/input.at,
14308 tests/regression.at, tests/synclines.at, tests/torture.at:
14309 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
14310 so that the tests still work even if POSIXLY_CORRECT is set.
14311 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
14313 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
14314 for portability to K&R hosts. Fix typo: signed char is guaranteed
14315 only to 127, not to 128.
14316 * data/glr.c (yysigned_char): New type.
14317 * data/yacc.c (yysigned_char): Likewise.
14318 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
14320 2002-10-13 Paul Eggert <eggert@twinsun.com>
14322 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
14323 true due to limited range of data type" warning from GCC.
14325 * data/c.m4 (b4_token_defines): Protect against double-inclusion
14326 by wrapping enum yytokentype's definition inside #ifndef
14327 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
14329 2002-10-13 Akim Demaille <akim@epita.fr>
14331 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
14332 Un yy- yyrhs to avoid the name clash with the global YYRHS.
14334 2002-10-13 Akim Demaille <akim@epita.fr>
14336 * Makefile.maint: Update from Autoconf 2.54.
14337 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
14339 2002-10-13 Akim Demaille <akim@epita.fr>
14341 * src/print.c (print_state): Separate the list of solved conflicts
14342 from the other items.
14343 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
14345 2002-10-13 Akim Demaille <akim@epita.fr>
14347 Let nondeterministic skeletons be usable with deterministic
14350 With the patch, GAWK compiled by GCC without -O2 passes its test
14351 suite using a GLR parser driven by LALR tables. It fails with -O2
14352 because `struct stat' gives two different answers on my machine:
14353 88 (definition of an auto var) and later 96 (memset on this var).
14354 Hence the stack is badly corrumpted. The headers inclusion is to
14355 blame: if I move the awk.h inclusion before GLR's system header
14356 inclusion, the two struct stat have the same size.
14358 * src/tables.c (pack_table): Always create conflict_table.
14359 (token_actions): Always create conflict_list.
14360 * data/glr.c (YYFLAG): Remove, unused.
14362 2002-10-13 Akim Demaille <akim@epita.fr>
14364 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
14366 (VALGRIND, GXX): New.
14367 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
14368 * tests/bison.in: Run $PREBISON a pre-command.
14369 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
14370 (maintainer-check-g++): New.
14371 * Makefile.am (maintainer-check): New.
14373 2002-10-13 Akim Demaille <akim@epita.fr>
14375 * data/glr.c: Formatting changes.
14376 Tweak some trace messages to match yacc.c's.
14378 2002-10-13 Akim Demaille <akim@epita.fr>
14380 GLR parsers sometimes raise parse errors instead of performing the
14382 Reported by Charles-Henry de Boysson.
14384 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
14385 check the length of the traces when %glr.
14386 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
14388 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
14390 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
14391 (yyltype): Remove the yy prefix from the member names.
14392 (yytable): Complete its comment.
14393 (yygetLRActions): Map error action number from YYTABLE from
14395 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
14396 (which was a bug: it should have been YYTABEL_NINF, and yet it was
14397 not satisfying as we could compare an YYACTION computed from
14398 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
14399 only value for error actions.
14400 (yyreportParseError): In verbose parse error messages, don't issue
14401 `error' in the list of expected tokens.
14402 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
14403 next action to perform to match glr.c's decoding.
14404 (yytable): Complete its comment.
14406 2002-10-13 Paul Eggert <eggert@twinsun.com>
14408 Fix problem reported by Henrik Grubbstroem in
14409 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
14410 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
14411 because the Bison parser reads the second action before reducing
14413 * src/scan-gram.l (rule_length): New static var.
14414 Use it to keep track of the rule length in the scanner, since
14415 we can't expect the parser to be in lock-step sync with the scanner.
14416 (handle_action_dollar, handle_action_at): Use this var.
14417 * tests/actions.at (Exotic Dollars): Test for the problem.
14419 2002-10-12 Paul Eggert <eggert@twinsun.com>
14421 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
14422 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
14423 Include <sys/time.h> when checking for clock_t and struct tms.
14424 Use same include order as source.
14425 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
14426 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
14428 * lib/timevar.c: Update copyright date and clarify comments.
14429 (get_time) [IN_GCC]: Keep the GCC version for reference.
14431 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
14432 GCC version as of today, then merge Bison's changes.
14433 Change "GCC" to "Bison" in copyright notice. timevar.def's
14434 author is Akim, so change that too.
14436 * src/reader.c (grammar_current_rule_check):
14437 Don't worry about the default action if $$ is untyped.
14438 Prevents bogus warnings reported by Jim Gifford in
14439 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
14441 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
14442 * data/glr.c, data/lalr1.cc, data/yacc.c:
14443 Output token definitions before the first part of user declarations.
14444 Fixes compatibility problem reported by Jim Gifford for kbd in
14445 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
14447 2002-10-11 Paul Eggert <eggert@twinsun.com>
14449 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
14450 (yyparse): here. This undoes some of the 2002-07-25 change.
14451 Compatibility problem reported by Ralf S. Engelschall with
14452 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
14454 2002-10-11 Akim Demaille <akim@epita.fr>
14456 * tests/regression.at Characters Escapes): New.
14457 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
14459 Reported by Jan Nieuwenhuizen.
14461 2002-10-11 Akim Demaille <akim@epita.fr>
14465 2002-10-10 Paul Eggert <eggert@twinsun.com>
14467 Portability fixes for bitsets; this also avoids several GCC
14470 * lib/abitset.c: Include <stddef.h>, for offsetof.
14471 * lib/lbitset.c: Likewise.
14473 * lib/abitset.c (abitset_bytes): Return a size that is aligned
14474 properly for vectors of objects. Do not assume that adding a
14475 header size to a multiple of a word size yields a value that is
14476 properly aligned for the whole union.
14477 * lib/bitsetv.c (bitsetv_alloc): Likewise.
14479 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
14480 unique names for structures.
14481 * lib/ebitset.c (ebitset_bytes): Likewise.
14482 * lib/lbitset.c (lbitset_bytes): Likewise.
14484 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
14485 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
14486 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
14487 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
14488 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
14489 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
14490 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
14491 to improve the type-checking that GCC can do.
14492 * lib/bitset.c (bitset_op4_cmp): Likewise.
14493 * lib/bitset_stats.c (bitset_stats_count,
14494 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
14495 bitset_stats_copy, bitset_stats_disjoint_p,
14496 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
14497 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
14498 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
14499 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
14500 bitset_stats_and_or_cmp, bitset_stats_andn_or,
14501 bitset_stats_andn_or_cmp, bitset_stats_or_and,
14502 bitset_stats_or_and_cmp): Likewise.
14503 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
14504 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
14505 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
14506 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
14508 * lib/abitset.h: Include bitset.h, not bbitset.h.
14509 * lib/ebitset.h: Likewise.
14510 * lib/lbitset.h: Likewise.
14512 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
14513 All instances of parameters of type enum bitset_opts are now of
14514 type enum_bitset_opts, to conform to the C Standard, and similarly
14515 for enum_bitset_type.
14516 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14517 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14519 Do not use "struct bitset_struct" to mean different things in
14520 different modules. Not only is this confusing, it violates
14521 the C Standard, which requires that structure types in different
14522 modules must be compatible if one is to be passed to the other.
14523 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
14524 All instances of "struct bitset_struct *" replaced with "bitset".
14525 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
14526 (union bitset_union, struct abitset_struct, struct ebitset_struct,
14527 struct lbitset_struct, struct bitset_stats_struct): New types.
14528 All uses of struct bitset_struct changed to union bitset_union,
14530 * lib/abitset.c (struct abitset_struct, abitset,
14531 struct bitset_struct): Remove.
14532 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
14533 struct bitset_struct): Remove.
14534 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
14535 bitset_struct): Remove.
14536 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
14539 Do not call a function of type T using a call that assumes the
14540 function is of a different type U. Standard C requires that a
14541 function must be called with a type that is compatible with its
14543 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14545 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14547 * lib/ebitset.c (PFV): Remove.
14548 * lib/lbitset.c (PFV): Likewise.
14549 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
14550 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
14552 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
14553 (ebitset_vtable): Use them.
14554 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
14555 lbitset_xor): New functions.
14556 (lbitset_vtable): Use them.
14558 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
14561 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
14563 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
14564 Use offsetof, for simplicity.
14566 2002-10-06 Paul Eggert <eggert@twinsun.com>
14568 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
14569 the same width as int. This reapplies a hunk of the 2002-08-12 patch
14570 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
14571 which was inadvertently undone by the 2002-09-30 patch.
14572 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
14573 the same width as int.
14575 2002-10-04 Paul Eggert <eggert@twinsun.com>
14579 * configure.ac (AC_INIT), NEWS: Increment version number.
14581 * doc/bison.texinfo: Minor spelling, grammar, and white space
14583 (Symbols): Mention that any negative value returned from yylex
14584 signifies end-of-input. Warn about negative chars. Mention
14585 the portable Standard C character set.
14587 The GNU coding standard says CFLAGS and YFLAGS are reserved
14588 for the installer to set.
14589 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
14590 * src/Makefile.am (AM_CFLAGS): Likewise.
14591 (AM_YFLAGS): Renamed from YFLAGS.
14593 Fix some MAX and MIN problems.
14594 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
14595 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
14596 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
14597 * src/reader.c (reader): Use it.
14599 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
14600 POSIX 1003.1-2001 has removed fgrep.
14602 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14604 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
14605 interpreted as signed.
14606 * lib/ebitset.c (ebitset_list): Fix bug.
14608 2002-10-01 Paul Eggert <eggert@twinsun.com>
14610 More fixes for 64-bit hosts and large bitsets.
14612 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
14613 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
14614 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
14615 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
14616 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
14617 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
14618 bitset_count_): Likewise.
14619 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
14620 bitset_first, bitset_last): Likewise.
14621 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
14622 bitset_stats_list_reverse, bitset_stats_size,
14623 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
14625 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14626 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14627 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14628 bitsetv_reflexive_transitive_closure): Likewise.
14629 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
14630 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
14632 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
14635 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
14636 Use size_t, not unsigned int, to count bytes.
14637 * lib/abitset.h (abitset_bytes): Likewise.
14638 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
14640 * lib/bitset.h (bitset_bytes): Likewise.
14641 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
14642 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
14643 * lib/bitsetv.c (bitsetv_alloc): Likewise.
14644 * lib/ebitset.c (ebitset_bytes): Likewise.
14645 * lib/ebitset.h (ebitset_bytes): Likewise.
14646 * lib/lbitset.c (lbitset_bytes): Likewise.
14647 * lib/lbitset.h (lbitset_bytes): Likewise.
14649 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
14650 abitset_subset_p, abitset_disjoint_p, abitset_and,
14651 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
14652 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
14653 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
14654 abitset_or_and, abitset_or_and_cmp):
14655 Use bitset_windex instead of unsigned int.
14656 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14657 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
14658 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
14659 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
14661 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
14663 * lib/bitset.c (bitset_print):
14664 Use proper printf formats for widths of integer types.
14665 * lib/bitset_stats.c (bitset_percent_histogram_print,
14666 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
14667 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14668 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14669 * lib/lbitset.c (lbitset_bytes): Likewise.
14671 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
14672 BITSET_SIZE_MAX): New macros.
14673 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
14674 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
14675 to BITSET_WINDEX_MAX.
14677 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
14678 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
14679 since we now return the bitset_bindex type (not int).
14681 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
14682 when computing sizes.
14683 * lib/ebitset.c (ebitset_elts_grow): Likewise.
14685 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
14686 and avoid cast to unsigned.
14688 2002-09-30 Akim Demaille <akim@epita.fr>
14690 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
14691 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
14692 Updates from Michael Hayes.
14694 2002-09-30 Art Haas <ahaas@neosoft.com>
14696 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
14698 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
14701 2002-09-27 Akim Demaille <akim@epita.fr>
14705 2002-09-27 Akim Demaille <akim@epita.fr>
14707 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
14708 (Because of AC_LIBSOURCE).
14710 2002-09-27 Akim Demaille <akim@epita.fr>
14712 Playing with Autoscan.
14714 * configure.ac: Remove the old LIBOBJ tweaks.
14715 (AC_REPLACE_FUNCS): Add strrchr and strtol.
14716 * lib/strrchr.c: New.
14717 * lib/strtol.c: New, from the Coreutils 4.5.1.
14719 2002-09-27 Akim Demaille <akim@epita.fr>
14721 Playing with Autoscan.
14723 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
14724 * lib/Makefile.am (libbison_a_SOURCES): No longer include
14725 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
14726 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
14729 2002-09-24 Akim Demaille <akim@epita.fr>
14731 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
14732 (Frequently Asked Questions, Parser Stack Overflow): New.
14734 2002-09-13 Akim Demaille <akim@epita.fr>
14736 Playing with autoscan.
14738 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
14739 * src/files.c (skeleton_find): Remove, unused.
14740 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
14741 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
14743 2002-09-13 Akim Demaille <akim@epita.fr>
14745 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
14746 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
14748 2002-09-13 Akim Demaille <akim@epita.fr>
14750 * configure.ac: Require 2.54.
14751 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
14752 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
14753 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
14754 Remove, provided by Autoconf macros.
14756 2002-09-12 Akim Demaille <akim@epita.fr>
14758 * m4/prereq.m4: Update, from Coreutils 4.5.1.
14760 2002-09-12 Akim Demaille <akim@epita.fr>
14762 * m4/prereq.m4: Update, from Fileutils 4.1.5.
14763 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
14764 Reported by Martin Mokrejs.
14766 2002-09-10 Akim Demaille <akim@epita.fr>
14768 * src/parse-gram.y: Associate a human readable string to each
14770 * tests/regression.at (Invalid inputs): Adjust.
14772 2002-09-10 Gary V. Vaughan <gary@gnu.org>
14774 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
14775 with an Autoconf-2.5x style configure.ac.
14777 2002-09-06 Paul Eggert <eggert@twinsun.com>
14779 * doc/bison.texinfo (Conditions): Make explicit that the GPL
14780 exception applies only to yacc.c. This is a modification of a
14781 patch originally suggested by Akim Demaille.
14783 2002-09-06 Akim Demaille <akim@epita.fr>
14785 * data/c.m4 (b4_copyright): Move the GPL exception comment from
14787 * data/yacc.c: here.
14789 * data/lalr1.cc (struct yyltype): Don't define it, since we use
14791 (b4_ltype): Default to yy::Location from location.hh.
14793 2002-09-04 Jim Meyering <jim@meyering.net>
14795 * data/yacc.c: Guard the declaration of yytoknum also with
14796 `#ifdef YYPRINT', so it is declared only when used.
14798 2002-09-04 Akim Demaille <akim@epita.fr>
14800 * configure.in: Rename as...
14801 * configure.ac: this.
14804 2002-09-04 Akim Demaille <akim@epita.fr>
14806 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
14807 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
14808 translate maintainer only messages.
14810 2002-08-12 Paul Eggert <eggert@twinsun.com>
14814 * Makefile.am (SUBDIRS): Remove intl.
14815 (DISTCLEANFILES): Remove.
14816 * NEWS: Mention that GNU M4 is now required. Clarify what is
14817 meant by "larger grammars". Mention the pt_BR translation.
14818 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
14819 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
14820 Bump version from 0.11.2 to 0.11.5.
14821 (BISON_PREREQ_STAGE): Remove.
14822 (AM_GNU_GETTEXT): Use external gettext.
14823 (AC_OUTPUT): Remove intl/Makefile.
14825 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
14827 * data/glr.c: Include string.h, for strlen.
14828 (yyreportParseError): Use size_t for yysize.
14829 (yy_yypstack): No longer nested inside yypstates, as nested
14830 functions are not portable. Do not assume size_t is the
14832 (yypstates): Do not assume that ptrdiff_t is the same width
14833 as int, and similarly for yyposn and YYINDEX.
14835 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
14837 * lib/Makefile.am (INCLUDES): Do not include from the intl
14838 directory, which has been removed.
14839 * src/Makefile.am (INCLUDES): Likewise.
14841 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
14842 (bitsets_sources, additional_bitsets_sources, timevars_sources):
14845 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
14846 * tests/Makefile.am (EXTRA_DIST): Likewise.
14848 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
14849 Do not assume that bitset_windex is the same width as unsigned.
14851 * lib/abitset.c (abitset_unused_clear): Do not assume that
14852 bitset_word is the same width as int.
14853 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
14854 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
14855 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
14856 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
14857 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
14859 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
14860 portability to one's complement hosts!).
14861 * lib/ebitset.c (ebitset_op1): Likewise.
14862 * lib/lbitset.c (lbitset_op1): Likewise.
14864 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
14865 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
14866 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
14867 Sync with fileutils.
14868 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
14869 lib/gettext.h: Sync with diffutils.
14871 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
14872 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
14874 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
14875 PROTOTYPES to check for prototypes, and "defined __STDC__" to
14878 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
14879 size_t; the old version tried to do this but casted improperly.
14880 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
14881 (bitset_test): Now returns int, not unsigned long.
14883 * lib/bitset_stats.c: Include "gettext.h".
14885 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
14886 name locals "index", as it generates unnecessary warnings on some
14887 hosts that have an "index" function.
14889 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
14890 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
14891 they need translation.
14892 * src/LR0.c (state_list_append, new_itemsets, get_state,
14893 append_states, generate_states): Likewise.
14894 * src/assoc.c (assoc_to_string): Likewise.
14895 * src/closure.c (print_closure, set_firsts, closure): Likewise.
14896 * src/gram.c (grammar_dump): Likewise.
14897 * src/injections.c (injections_compute): Likewise.
14898 * src/lalr.c (lookaheads_print): Likewise.
14899 * src/relation.c (relation_transpose): Likewise.
14900 * src/scan-gram.l: Likewise.
14901 * src/tables.c (table_grow, pack_vector): Likewise.
14903 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
14904 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
14905 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
14906 * m4/mbstate_t.m4: Sync with fileutils.
14907 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
14909 * po/LINGUAS: Add pt_BR.
14910 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
14911 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
14913 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
14915 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
14917 * src/complain.c (strerror_r): Remove decl; not needed.
14918 (strerror): Use same pattern as ../lib/error.c.
14920 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
14922 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
14924 * src/main.c (main): Cast result of bindtextdomain and textdomain
14925 to void, to avoid a GCC warning when --disable-nls is in effect.
14927 * src/scan-gram.l: Use strings rather than escapes when possible,
14928 to minimize the number of warnings from xgettext.
14929 (handle_action_dollar, handle_action_at): Don't use isdigit,
14930 as it mishandles negative chars and it may not work as expected
14931 outside the C locale.
14933 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
14934 this is a GCC extension and is not portable to other compilers.
14936 * src/system.h (alloca): Use same pattern as ../lib/error.c.
14937 Do not include <ctype.h>; no longer needed.
14938 Do not include <malloc.h>; no longer needed (and generates
14939 warnings on OpenBSD 3.0).
14941 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
14944 * tests/regression.at: Do not use 'cc -c input.c -o input';
14945 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
14947 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
14948 exit status as failure, not just exit status 1. Sun C exits
14949 with status 2 sometimes.
14951 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
14952 Use it for the two large tests.
14954 2002-08-02 Akim Demaille <akim@epita.fr>
14956 * src/conflicts.c (conflicts_output): Don't output rules never
14957 reduced here, since anyway that computation doesn't work.
14958 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
14959 (rule_useless_p, rule_never_reduced_p): New.
14960 (grammar_rules_partial_print): Use a filter instead of a range.
14961 Display the title only if needed.
14962 (grammar_rules_print): Adjust.
14963 (grammar_rules_never_reduced_report): New.
14964 * src/tables.c (action_row): Move the computation of rules never
14966 (token_actions): here.
14967 * src/main.c (main): Make the parser before making the report, so
14968 that rules never reduced are computed.
14969 Call grammar_rules_never_reduced_report.
14970 * src/print.c (print_results): Report rules never reduced.
14971 * tests/conflicts.at, tests/reduce.at: Adjust.
14973 2002-08-01 Akim Demaille <akim@epita.fr>
14975 Instead of attaching lookaheads and duplicating the rules being
14976 reduced by a state, attach the lookaheads to the reductions.
14978 * src/state.h (state_t): Remove the `lookaheads',
14979 `lookaheads_rule' member.
14980 (reductions_t): Add a `lookaheads' member.
14981 Use a regular array for the `rules'.
14982 * src/state.c (reductions_new): Initialize the lookaheads member
14984 (state_rule_lookaheads_print): Adjust.
14985 * src/state.h, src/state.c (state_reductions_find): New.
14986 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
14987 (count_rr_conflicts): Adjust.
14988 * src/lalr.c (LArule): Remove.
14989 (add_lookback_edge): Adjust.
14990 (state_lookaheads_count): New.
14991 (states_lookaheads_initialize): Merge into...
14992 (initialize_LA): this.
14993 (lalr_free): Adjust.
14994 * src/main.c (main): Don't free nullable and derives too early: it
14995 is used by --verbose.
14996 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
14998 2002-08-01 Akim Demaille <akim@epita.fr>
15000 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
15002 (set_derives, free_derives): Rename as...
15003 (derives_compute, derives_free): this.
15004 Adjust all dependencies.
15005 * src/nullable.c (set_nullable, free_nullable): Rename as...
15006 (nullable_compute, nullable_free): these.
15007 (rule_list_t): Store rule_t *, not rule_number_t.
15008 * src/state.c (state_rule_lookaheads_print): Directly compare rule
15009 pointers, instead of their numbers.
15010 * src/main.c (main): Call nullable_free, and derives_free earlier,
15011 as they were lo longer used.
15013 2002-08-01 Akim Demaille <akim@epita.fr>
15015 * lib/timevar.c (get_time): Include children time.
15016 * src/lalr.h (LA, LArule): Don't export them: used with the
15018 * src/lalr.c (LA, LArule): Static.
15019 * src/lalr.h, src/lalr.c (lalr_free): New.
15020 * src/main.c (main): Call it.
15021 * src/tables.c (pack_vector): Check whether loc is >= to the
15023 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
15024 (tables_generate): do it, since that's also it which allocates
15026 Don't free LA and LArule, main does.
15028 2002-07-31 Akim Demaille <akim@epita.fr>
15030 Separate parser tables computation and output.
15032 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
15033 (conflict_list, conflict_list_cnt, table, check, table_ninf)
15034 (yydefgoto, yydefact, high): Move to...
15035 * src/tables.h, src/tables.c: here.
15036 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
15037 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
15038 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
15039 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
15040 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
15041 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
15042 (action_row, save_row, token_actions, save_column, default_goto)
15043 (goto_actions, sort_actions, matching_state, pack_vector)
15044 (table_ninf_remap, pack_table, prepare_actions): Move to...
15045 * src/tables.c: here.
15046 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
15047 * src/output.c (token_actions, output_base, output_conflicts)
15048 (output_check): Merge into...
15049 (prepare_actions): this.
15050 (actions_output): Rename as...
15051 (user_actions_output): this.
15052 * src/main.c (main): Call tables_generate and tables_free.
15054 2002-07-31 Akim Demaille <akim@epita.fr>
15056 Steal GCC's --time-report support.
15058 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
15059 stolen/adjusted from GCC.
15060 * m4/stage.m4: Remove time related checks.
15061 * m4/timevar.m4: New.
15062 * configure.in: Adjust.
15063 * src/system.h: Adjust to using timevar.h.
15064 * src/getargs.h, src/getargs.c: Support trace_time for
15066 * src/main.c (stage): Remove.
15067 (main): Replace `stage' invocations with timevar calls.
15068 * src/output.c: Insert pertinent timevar calls.
15070 2002-07-31 Akim Demaille <akim@epita.fr>
15072 Let --trace have arguments.
15074 * src/getargs.h (enum trace_e): New.
15075 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
15076 (long_options, short_options): --trace/-T takes an optional
15078 Change all the uses of trace_flag to reflect the new flags.
15079 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
15081 Strengthen `stage' portability.
15083 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
15084 * configure.in: Use it.
15085 Don't check for malloc.h and sys/times.h.
15086 * src/system.h: Include them when appropriate.
15087 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
15088 times and struct tms are available.
15090 2002-07-30 Akim Demaille <akim@epita.fr>
15092 In verbose parse error message, don't report `error' as an
15094 * tests/actions.at (Printers and Destructors): Adjust.
15095 * tests/calc.at (Calculator $1): Adjust.
15096 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
15097 error message, do not report the parser accepts the error token in
15100 2002-07-30 Akim Demaille <akim@epita.fr>
15102 Normalize conflict related messages.
15104 * src/complain.h, src/complain.c (warn, complain): New.
15105 * src/conflicts.c (conflicts_print): Use them.
15106 (conflict_report_yacc): New, extracted from...
15107 (conflicts_print): here.
15108 * tests/conflicts.at, tests/existing.at: Adjust.
15110 2002-07-30 Akim Demaille <akim@epita.fr>
15112 Report rules which are never reduced by the parser: those hidden
15115 * src/LR0.c (save_reductions): Don't make the final state too
15116 different: save its reduction (accept) instead of having a state
15117 without any action (no shift or goto, no reduce).
15118 Note: the final state is now a ``regular'' state, i.e., the
15119 parsers now contain `reduce 0' as default reduction.
15120 Nevertheless, since they decide to `accept' when yystate =
15121 final_state, they still will not reduce rule 0.
15122 * src/print.c (print_actions, print_reduction): Adjust.
15123 * src/output.c (action_row): Track reduced rules.
15124 (token_actions): Report rules never reduced.
15125 * tests/conflicts.at, tests/regression.at: Adjust.
15127 2002-07-30 Akim Demaille <akim@epita.fr>
15129 `stage' was accidently included in a previous patch.
15130 Initiate its autoconfiscation.
15132 * configure.in: Look for malloc.h and sys/times.h.
15133 * src/main.c (stage): Adjust.
15134 Report only when trace_flag.
15136 2002-07-29 Akim Demaille <akim@epita.fr>
15138 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
15140 (errs_t): symbol_t*, not symbol_number_t.
15141 (reductions_t): rule_t*, not rule_number_t.
15142 (FOR_EACH_SHIFT): New.
15143 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
15144 * src/print.c, src/print_graph.c: Adjust.
15146 2002-07-29 Akim Demaille <akim@epita.fr>
15148 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
15150 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
15151 (endtoken, accept): these.
15152 * src/reader.c (reader): Set endtoken's default tag to "$end".
15153 Set undeftoken's tag to "$undefined" instead of "$undefined.".
15154 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
15157 2002-07-29 Akim Demaille <akim@epita.fr>
15159 * src/reduce.c (reduce_grammar): When the language is empty,
15160 complain about the start symbol, not the axiom.
15162 * tests/reduce.at (Empty Language): New.
15164 2002-07-26 Akim Demaille <akim@epita.fr>
15166 * src/reader.h, src/reader.c (gram_error): ... can't get
15167 yycontrol without making too strong assumptions on the parser
15169 * src/output.c (prepare_tokens): Use the real 0th value of
15170 token_translations instead of `0'.
15171 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
15173 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
15174 for the time being: %locations ought to provide it to yyerror.
15176 2002-07-25 Akim Demaille <akim@epita.fr>
15178 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
15179 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
15180 * tests/regression.at (Web2c Actions): Adjust.
15182 2002-07-25 Akim Demaille <akim@epita.fr>
15184 Stop storing rules from 1 to nrules + 1.
15186 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
15187 * src/nullable.c, src/output.c, src/print.c, src/reader.c
15188 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
15189 Iterate from 0 to nrules.
15190 Use rule_number_as_item_number and item_number_as_rule_number.
15191 Adjust to `derive' now containing possibly 0.
15192 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
15193 Handle the `- 1' part in rule numbers from/to item numbers.
15194 * src/conflicts.c (log_resolution): Fix the message which reversed
15196 * src/output.c (action_row): Initialize default_rule to -1.
15197 (token_actions): Adjust.
15198 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
15200 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
15202 2002-07-25 Akim Demaille <akim@epita.fr>
15204 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
15205 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
15206 (b4_c_knr_arg_decl): New.
15207 * data/yacc.c: Use it to define yysymprint, yydestruct, and
15208 yyreport_parse_error.
15210 2002-07-25 Akim Demaille <akim@epita.fr>
15212 * data/yacc.c (yyreport_parse_error): New, extracted from...
15214 (yydestruct, yysymprint): Move above yyparse.
15217 2002-07-25 Akim Demaille <akim@epita.fr>
15219 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
15221 (b4_sint_type, b4_uint_type): these.
15222 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
15223 * tests/regression.at (Web2c Actions): Adjust.
15225 2002-07-25 Akim Demaille <akim@epita.fr>
15227 * src/gram.h (TIEM_NUMBER_MAX): New.
15228 (item_number_of_rule_number, rule_number_of_item_number): Rename
15230 (rule_number_as_item_number, item_number_as_rule_number): these.
15231 Adjust dependencies.
15232 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
15233 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
15234 (symbol_number_to_vector_number): New.
15235 (order): Of vector_number_t* type.
15236 (base_t, BASE_MAX, BASE_MIN): New.
15237 (froms, tos, width, pos, check): Of base_t type.
15238 (action_number_t, ACTION_MIN, ACTION_MAX): New.
15239 (actrow): Of action_number_t type.
15240 (conflrow): Of unsigned int type.
15241 (table_ninf, base_ninf): New.
15242 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
15243 (muscle_insert_int_table, muscle_insert_base_table)
15244 (muscle_insert_rule_number_table): New.
15245 (prepare_tokens): Output `toknum' as int_table.
15246 (action_row): Returns a rule_number_t.
15247 Use ACTION_MIN, not SHRT_MIN.
15248 (token_actions): yydefact is rule_number_t*.
15249 (table_ninf_remap): New.
15250 (pack_table): Use it for `base' and `table'.
15251 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
15253 (YYPACT_NINF, YYTABLE_NINF): these.
15254 (yypact, yytable): Compute their types instead of hard-coded
15256 * tests/regression.at (Web2c Actions): Adjust.
15258 2002-07-19 Akim Demaille <akim@epita.fr>
15260 * src/scan-gram.l (id): Can start with an underscore.
15262 2002-07-16 Akim Demaille <akim@epita.fr>
15264 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
15265 Adjust all former `associativity' dependencies.
15266 * src/symtab.c (symbol_new): Default associativity is `undef', not
15268 (symbol_check_alias_consistence): Adjust.
15270 2002-07-09 Akim Demaille <akim@epita.fr>
15272 * doc/bison.texinfo: Properly set the ``header'' part.
15273 Use @dircategory ``GNU programming tools'' as per Texinfo's
15277 2002-07-09 Akim Demaille <akim@epita.fr>
15279 * lib/quotearg.h: Protect against multiple inclusions.
15280 * src/location.h (location_t): Add a `file' member.
15281 (LOCATION_RESET, LOCATION_PRINT): Adjust.
15282 * src/complain.c (warn_at, complain_at, fatal_at): Drop
15283 `error_one_per_line' support.
15285 2002-07-09 Akim Demaille <akim@epita.fr>
15287 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
15288 * src/reader.c (lineno): Remove.
15289 Adjust all dependencies.
15290 (get_merge_function): Take a location and use complain_at.
15291 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
15292 * tests/regression.at (Invalid inputs, Mixing %token styles):
15295 2002-07-09 Akim Demaille <akim@epita.fr>
15297 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
15298 recovery rule, and forbid extensions when --yacc.
15299 (gram_error): Use complain_at.
15300 * src/reader.c (reader): Exit if there were parse errors.
15302 2002-07-09 Akim Demaille <akim@epita.fr>
15304 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
15305 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
15306 Reported by R Blake <blakers@mac.com>.
15308 2002-07-09 Akim Demaille <akim@epita.fr>
15310 * data/yacc.c: Output the copyright notive in the header.
15312 2002-07-03 Akim Demaille <akim@epita.fr>
15314 * src/output.c (froms, tos): Are state_number_t.
15315 (save_column): sp, sp1, and sp2 are state_number_t.
15316 (prepare): Rename `final' as `final_state_number', `nnts' as
15317 `nterms_number', `nrules' as `rules_number', `nstates' as
15318 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
15320 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
15321 * data/lalr1.cc (nsym_): Remove, unused.
15323 2002-07-03 Akim Demaille <akim@epita.fr>
15325 * src/lalr.h, src/lalr.c (goto_number_t): New.
15326 * src/lalr.c (goto_list_t): New.
15328 * src/nullable.c (rule_list_t): New.
15330 * src/types.h: Remove.
15332 2002-07-03 Akim Demaille <akim@epita.fr>
15334 * src/closure.c (print_fderives): Use rule_rhs_print.
15335 * src/derives.c (print_derives): Use rule_rhs_print.
15336 (rule_list_t): New, replaces `shorts'.
15337 (set_derives): Add comments.
15338 * tests/sets.at (Nullable, Firsts): Adjust.
15340 2002-07-03 Akim Demaille <akim@epita.fr>
15342 * src/output.c (prepare_actions): Free `tally' and `width'.
15343 (prepare_actions): Allocate and free `order'.
15344 * src/symtab.c (symbols_free): Free `symbols'.
15345 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
15346 * src/output.c (m4_invoke): Move to...
15347 * src/scan-skel.l: here.
15348 (<<EOF>>): Close yyout, and free its name.
15350 2002-07-03 Akim Demaille <akim@epita.fr>
15352 Fix some memory leaks, and fix a bug: state 0 was examined twice.
15354 * src/LR0.c (new_state): Merge into...
15355 (state_list_append): this.
15356 (new_states): Merge into...
15357 (generate_states): here.
15358 (set_states): Don't ensure a proper `errs' state member here, do it...
15359 * src/conflicts.c (conflicts_solve): here.
15360 * src/state.h, src/state.c: Comment changes.
15361 (state_t): Rename member `shifts' as `transitions'.
15362 Adjust all dependencies.
15363 (errs_new): For consistency, also take the values as argument.
15364 (errs_dup): Remove.
15365 (state_errs_set): New.
15366 (state_reductions_set, state_transitions_set): Assert that no
15367 previous value was assigned.
15369 (states_free): Use it.
15370 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
15371 temporary storage: use `errs' and `nerrs' as elsewhere.
15372 (set_conflicts): Allocate and free this `errs'.
15374 2002-07-02 Akim Demaille <akim@epita.fr>
15376 * lib/libiberty.h: New.
15377 * lib: Update the bitset implementation from upstream.
15378 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
15379 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
15380 * src/main.c: Adjust bitset stats calls.
15382 2002-07-01 Paul Eggert <eggert@twinsun.com>
15384 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
15385 char, so that negative chars don't collide with $.
15387 2002-06-30 Akim Demaille <akim@epita.fr>
15389 Have the GLR tests be `warning' checked, and fix the warnings.
15391 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
15392 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
15393 (yyremoveDeletes): `yyi' and `yyj' are size_t.
15394 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
15395 (yyaddDeferredAction): static.
15396 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
15397 (yyreportParseError): yyprefix is const.
15398 yytokenp is used only when verbose.
15399 (yy__GNUC__): Replace with __GNUC__.
15400 (yypdumpstack): yyi is size_t.
15401 (yypreference): Un-yy local variables and arguments, to avoid
15402 clashes with `yyr1'. Anyway, we are not in the user name space.
15403 (yytname_size): be an int, as is compared with ints.
15404 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
15406 * tests/cxx-gram.at: Use quotation to protect $1.
15407 Use AT_COMPILE to enable warnings hunts.
15408 Prototype yylex and yyerror.
15410 Include `string.h', not `strings.h'.
15411 Produce and prototype stmtMerge only when used.
15412 yylex takes a location.
15414 2002-06-30 Akim Demaille <akim@epita.fr>
15416 We spend a lot of time in quotearg, in particular when --verbose.
15418 * src/symtab.c (symbol_get): Store a quoted version of the key.
15419 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
15420 Adjust all callers.
15422 2002-06-30 Akim Demaille <akim@epita.fr>
15424 * src/state.h (reductions_t): Rename member `nreds' as num.
15425 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
15426 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
15428 2002-06-30 Akim Demaille <akim@epita.fr>
15430 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
15431 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
15432 (shifts_to): Rename as...
15433 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
15434 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
15435 (TRANSITION_IS_DISABLED, transitions_to): these.
15437 2002-06-30 Akim Demaille <akim@epita.fr>
15439 * src/print.c (print_shifts, print_gotos): Merge into...
15440 (print_transitions): this.
15441 (print_transitions, print_errs, print_reductions): Align the
15442 lookaheads columns.
15443 (print_core, print_transitions, print_errs, print_state,
15444 print_grammar): Output empty lines separator before, not after.
15445 (state_default_rule_compute): Rename as...
15446 (state_default_rule): this.
15447 * tests/conflicts.at (Defaulted Conflicted Reduction),
15448 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
15449 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
15451 2002-06-30 Akim Demaille <akim@epita.fr>
15453 Display items as we display rules.
15455 * src/gram.h, src/gram.c (rule_lhs_print): New.
15456 * src/gram.c (grammar_rules_partial_print): Use it.
15457 * src/print.c (print_core): Likewise.
15458 * tests/conflicts.at (Defaulted Conflicted Reduction),
15459 (Unresolved SR Conflicts): Adjust.
15460 (Unresolved SR Conflicts): Adjust and rename as...
15461 (Resolved SR Conflicts): this, as was meant.
15462 * tests/regression.at (Web2c Report): Adjust.
15464 2002-06-30 Akim Demaille <akim@epita.fr>
15466 * src/print.c (state_default_rule_compute): New, extracted from...
15467 (print_reductions): here.
15468 Pessimize, but clarify the code.
15469 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
15471 2002-06-30 Akim Demaille <akim@epita.fr>
15473 * src/output.c (action_row): Let default_rule be always a rule
15476 2002-06-30 Akim Demaille <akim@epita.fr>
15478 * src/closure.c (print_firsts, print_fderives, closure):
15479 Use BITSET_EXECUTE.
15480 * src/lalr.c (lookaheads_print): Likewise.
15481 * src/state.c (state_rule_lookaheads_print): Likewise.
15482 * src/print_graph.c (print_core): Likewise.
15483 * src/print.c (print_reductions): Likewise.
15484 * src/output.c (action_row): Likewise.
15485 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
15487 2002-06-30 Akim Demaille <akim@epita.fr>
15489 * src/print_graph.c: Use report_flag.
15491 2002-06-30 Akim Demaille <akim@epita.fr>
15493 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
15495 * src/relation.h, src/relation.c (traverse, relation_digraph)
15496 (relation_print, relation_transpose): New.
15498 2002-06-30 Akim Demaille <akim@epita.fr>
15500 * src/state.h, src/state.c (shifts_to): New.
15501 * src/lalr.c (build_relations): Use it.
15503 2002-06-30 Akim Demaille <akim@epita.fr>
15505 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
15506 (item_number_of_rule_number, rule_number_of_item_number): New.
15507 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
15508 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
15509 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
15510 Propagate their use.
15511 Much remains to be done, in particular wrt `shorts' from types.h.
15513 2002-06-30 Akim Demaille <akim@epita.fr>
15515 * src/symtab.c (symbol_new): Initialize the `printer' member.
15517 2002-06-30 Akim Demaille <akim@epita.fr>
15519 * src/LR0.c (save_reductions): Remove, replaced by...
15520 * src/state.h, src/state.c (state_reductions_set): New.
15521 (reductions, errs): Rename as...
15522 (reductions_t, errs_t): these.
15523 Adjust all dependencies.
15525 2002-06-30 Akim Demaille <akim@epita.fr>
15527 * src/LR0.c (state_list_t, state_list_append): New.
15528 (first_state, last_state): Now symbol_list_t.
15529 (this_state): Remove.
15530 (new_itemsets, append_states, save_reductions): Take a state_t as
15532 (set_states, generate_states): Adjust.
15533 (save_shifts): Remove, replaced by...
15534 * src/state.h, src/state.c (state_shifts_set): New.
15535 (shifts): Rename as...
15537 Adjust all dependencies.
15538 * src/state.h (state_t): Remove the `next' member.
15540 2002-06-30 Akim Demaille <akim@epita.fr>
15542 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
15545 2002-06-30 Akim Demaille <akim@epita.fr>
15547 Use hash.h for the state hash table.
15549 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
15550 (allocate_storage): Use state_hash_new.
15551 (free_storage): Use state_hash_free.
15552 (new_state, get_state): Adjust.
15553 * src/lalr.h, src/lalr.c (states): Move to...
15554 * src/states.h (state_t): Remove the `link' member, no longer
15556 * src/states.h, src/states.c: here.
15557 (state_hash_new, state_hash_free, state_hash_lookup)
15558 (state_hash_insert, states_free): New.
15559 * src/states.c (state_table, state_compare, state_hash): New.
15560 * src/output.c (output_actions): Do not free states now, since we
15561 still need to know the final_state number in `prepare', called
15562 afterwards. Do it...
15563 * src/main.c (main): here: call states_free after `output'.
15565 2002-06-30 Akim Demaille <akim@epita.fr>
15567 * src/state.h, src/state.c (state_new): New, extracted from...
15568 * src/LR0.c (new_state): here.
15569 * src/state.h (STATE_ALLOC): Move to...
15570 * src/state.c: here.
15571 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
15572 * src/state.h, src/state.c: here.
15574 2002-06-30 Akim Demaille <akim@epita.fr>
15576 * src/reader.c (gensym): Rename as...
15577 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
15578 (getsym): Rename as...
15579 (symbol_get): this.
15581 2002-06-30 Akim Demaille <akim@epita.fr>
15583 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
15584 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
15585 * src/output.c, src/print.c, src/print_graph.c: Propagate.
15586 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
15588 2002-06-30 Akim Demaille <akim@epita.fr>
15590 Make the test suite pass with warnings checked.
15592 * tests/actions.at (Printers and Destructors): Improve.
15593 Avoid unsigned vs. signed issues.
15594 * tests/calc.at: Don't exercise the scanner here, do it...
15595 * tests/input.at (Torturing the Scanner): here.
15597 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15599 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
15600 reorganize first lines parallel to yacc.c.
15602 2002-06-28 Akim Demaille <akim@epita.fr>
15604 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
15605 (b4_token_enum, b4_token_defines): New, factored from...
15606 * data/lalr1.cc, data/yacc.c, glr.c: here.
15608 2002-06-28 Akim Demaille <akim@epita.fr>
15610 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
15612 * src/output.c (merger_output): static.
15614 2002-06-28 Akim Demaille <akim@epita.fr>
15616 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
15617 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
15619 * src/output.c (save_row): Initialize all the variables to pacify GCC.
15621 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15623 Accumulated changelog for new GLR parsing features.
15625 * src/conflicts.c (count_total_conflicts): Change name to
15626 conflicts_total_count.
15627 * src/conflicts.h: Ditto.
15628 * src/output.c (token_actions): Use the new name.
15629 (output_conflicts): Change conflp => conflict_list_heads, and
15630 confl => conflict_list for better readability.
15631 * data/glr.c: Use the new names.
15632 * NEWS: Add self to GLR announcement.
15634 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
15636 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
15639 * data/bison.glr: Change name to glr.c
15640 * data/glr.c: Renamed from bison.glr.
15641 * data/Makefile.am: Add glr.c
15645 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
15646 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
15648 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15650 * data/bison.glr: Be sure to restore the
15651 current #line when returning to the skeleton contents after having
15652 exposed the input file's #line.
15654 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15656 * data/bison.glr: Bring up to date with changes to bison.simple.
15658 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15660 * data/bison.glr: Correct definitions that use b4_prefix.
15661 Various reformatting.
15662 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
15663 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
15664 yytokenp argument; now part of stack.
15665 (yychar): Define to behave as documented.
15666 (yyclearin): Ditto.
15668 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15670 * src/reader.h: Add declaration for free_merger_functions.
15672 * src/reader.c (merge_functions): New variable.
15673 (get_merge_function): New function.
15674 (free_merger_functions): New function.
15675 (readgram): Check for %prec that is not followed by a symbol.
15676 Handle %dprec and %merge declarations.
15677 (packgram): Initialize dprec and merger fields in rules array.
15679 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
15680 conflict_list_cnt, conflict_list_free): New variables.
15681 (table_grow): Also grow conflict_table.
15682 (prepare_rules): Output dprec and merger tables.
15683 (conflict_row): New function.
15684 (action_row): Output conflict lists for GLR parser. Don't use
15685 default reduction in conflicted states for GLR parser so that there
15686 are spaces for the conflict lists.
15687 (save_row): Also save conflict information.
15688 (token_actions): Allocate conflict list.
15689 (merger_output): New function.
15690 (pack_vector): Pack conflict table, too.
15691 (output_conflicts): New function to output yyconflp and yyconfl.
15692 (output_check): Allocate conflict_tos.
15693 (output_actions): Output conflict tables, also.
15694 (output_skeleton): Output b4_mergers definition.
15695 (prepare): Output b4_max_rhs_length definition.
15696 Use 'bison.glr' as default skeleton for GLR parsers.
15698 * src/gram.c (glr_parser): New flag.
15699 (grammar_free): Call free_merger_functions.
15701 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
15702 all pairs of conflicting reductions, rather than just all tokens
15703 causing conflicts. Needed to size conflict tables.
15704 (conflicts_output): Modify call to count_rr_conflicts for new
15706 (conflicts_print): Ditto.
15707 (count_total_conflicts): New function.
15709 * src/reader.h (merger_list): New type.
15710 (merge_functions): New variable.
15712 * src/lex.h (tok_dprec, tok_merge): New token types.
15714 * src/gram.h (rule_s): Add dprec and merger fields.
15715 (glr_parser): New flag.
15717 * src/conflicts.h (count_total_conflicts): New function.
15719 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
15721 * doc/bison.texinfo (Generalized LR Parsing): New section.
15722 (GLR Parsers): New section.
15723 (Language and Grammar): Mention GLR parsing.
15724 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
15725 Correct typo ("tge" -> "the").
15727 * data/bison.glr: New skeleton for GLR parsing.
15729 * tests/cxx-gram.at: New tests for GLR parsing.
15731 * tests/testsuite.at: Include cxx-gram.at.
15733 * tests/Makefile.am: Add cxx-gram.at.
15735 * src/parse-gram.y:
15737 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
15739 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
15741 2002-06-27 Akim Demaille <akim@epita.fr>
15743 * src/options.h, src/options.c: Remove.
15744 * src/getargs.c (short_options, long_options): New.
15746 2002-06-27 Akim Demaille <akim@epita.fr>
15748 * data/bison.simple, data/bison.c++: Rename as...
15749 * data/yacc.c, data/lalr1.cc: these.
15750 * doc/bison.texinfo (Environment Variables): Remove.
15752 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
15754 * src/getargs.c (report_argmatch): Initialize strtok().
15756 2002-06-20 Akim Demaille <akim@epita.fr>
15758 * data/bison.simple (b4_symbol_actions): New, replaces...
15759 (b4_symbol_destructor, b4_symbol_printer): these.
15760 (yysymprint): Be sure to call YYPRINT only for tokens, and using
15761 user token numbers.
15763 2002-06-20 Akim Demaille <akim@epita.fr>
15765 * data/bison.simple (yydestructor): Rename as...
15766 (yydestruct): this.
15768 2002-06-20 Akim Demaille <akim@epita.fr>
15770 * src/symtab.h, src/symtab.c (symbol_type_set)
15771 (symbol_destructor_set, symbol_precedence_set): The location is
15773 Adjust all callers.
15775 2002-06-20 Akim Demaille <akim@epita.fr>
15777 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
15779 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
15781 * src/symtab.h, src/symtab.c (symbol_class_set)
15782 (symbol_user_token_number_set): Likewise.
15783 Adjust all callers.
15784 Promote complain_at.
15785 * tests/input.at (Type Clashes): Adjust.
15787 2002-06-20 Akim Demaille <akim@epita.fr>
15789 * data/bison.simple (YYLEX): Fix the declaration when
15792 2002-06-20 Akim Demaille <akim@epita.fr>
15794 * data/bison.simple (yysymprint): Don't print the token number,
15796 * tests/actions.at (Destructors): Rename as...
15797 (Printers and Destructors): this.
15798 Also exercise %printer.
15800 2002-06-20 Akim Demaille <akim@epita.fr>
15802 * data/bison.simple (YYDSYMPRINT): New.
15803 Use it to remove many of the #if YYDEBUG/if (yydebug).
15805 2002-06-20 Akim Demaille <akim@epita.fr>
15807 * src/symtab.h, src/symtab.c (symbol_t): printer and
15808 printer_location are new members.
15809 (symbol_printer_set): New.
15810 * src/parse-gram.y (PERCENT_PRINTER): New token.
15811 Handle its associated rule.
15812 * src/scan-gram.l: Adjust.
15813 (handle_destructor_at, handle_destructor_dollar): Rename as...
15814 (handle_symbol_code_at, handle_symbol_code_dollar): these.
15815 * src/output.c (symbol_printers_output): New.
15816 (output_skeleton): Call it.
15817 * data/bison.simple (yysymprint): New. Cannot be named yyprint
15818 since there are already many grammar files with a user `yyprint'.
15819 Replace the calls to YYPRINT to calls to yysymprint.
15820 * tests/calc.at: Adjust.
15821 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
15822 taking advantage of parser very internal details (stack size!).
15824 2002-06-20 Akim Demaille <akim@epita.fr>
15826 * src/scan-gram.l: Complete the scanner with the missing patterns
15828 Use `quote' and `symbol_tag_get' where appropriate.
15830 2002-06-19 Akim Demaille <akim@epita.fr>
15832 * tests/actions.at (Destructors): Augment to test locations.
15833 * data/bison.simple (yydestructor): Pass it the current location
15834 if locations are enabled.
15835 Prototype only when __STDC__ or C++.
15836 Change the argument names to move into the yy name space: there is
15839 2002-06-19 Akim Demaille <akim@epita.fr>
15841 * data/bison.simple (b4_pure_if): New.
15842 Use it instead of #ifdef YYPURE.
15844 2002-06-19 Akim Demaille <akim@epita.fr>
15846 * data/bison.simple (b4_location_if): New.
15847 Use it instead of #ifdef YYLSP_NEEDED.
15849 2002-06-19 Akim Demaille <akim@epita.fr>
15851 Prepare @$ in %destructor, but currently don't bind it in the
15852 skeleton, as %location use is not cleaned up yet.
15854 * src/scan-gram.l (handle_dollar, handle_destructor_at)
15855 (handle_action_at): New.
15856 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
15857 a braced_code_t and a location as additional arguments.
15858 (handle_destructor_dollar): Instead of requiring `b4_eval', just
15859 unquote one when outputting `b4_dollar_dollar'.
15861 * data/bison.simple (b4_eval): Remove.
15862 (b4_symbol_destructor): Adjust.
15863 * tests/input.at (Invalid @n): Adjust.
15865 2002-06-19 Zack Weinberg <zack@codesourcery.com>
15867 * doc/bison.texinfo: Document ability to have multiple
15870 2002-06-18 Akim Demaille <akim@epita.fr>
15872 * src/files.c (compute_base_names): When computing the output file
15873 names from the input file name, strip the directory part.
15875 2002-06-18 Akim Demaille <akim@epita.fr>
15877 * data/bison.simple.new: Comment changes.
15878 Reported by Andreas Schwab.
15880 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
15882 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
15883 there are no `label `yyoverflowlab' defined but not used' warnings
15884 when yyoverflow is defined.
15886 2002-06-18 Akim Demaille <akim@epita.fr>
15888 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
15890 (symbol_destructor_set): Adjust.
15891 * src/output.c (symbol_destructors_output): Output the destructor
15893 Output the symbol name.
15894 * data/bison.simple (b4_symbol_destructor): Adjust.
15896 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
15897 and Akim Demaille <akim@epita.fr>
15899 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
15900 what's left on the stack when the error recovery hits EOF.
15901 * tests/actions.at (Destructors): Complete to exercise this case.
15903 2002-06-17 Akim Demaille <akim@epita.fr>
15905 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
15906 arguments is really empty, not only equal to `[]'.
15907 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
15909 (symbol_destructor_set): New.
15910 * src/output.c (symbol_destructors_output): New.
15911 * src/reader.h (brace_code_t, current_braced_code): New.
15912 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
15913 (handle_dollar): Rename as...
15914 (handle_action_dollar): this.
15915 (handle_destructor_dollar): New.
15916 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
15917 (grammar_declaration): Use it.
15918 * data/bison.simple (yystos): Is always defined.
15919 (yydestructor): New.
15920 * tests/actions.at (Destructors): New.
15921 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
15923 2002-06-17 Akim Demaille <akim@epita.fr>
15925 * src/symlist.h, src/symlist.c (symbol_list_length): New.
15926 * src/scan-gram.l (handle_dollar, handle_at): Compute the
15927 rule_length only when needed.
15928 * src/output.c (actions_output, token_definitions_output): Output
15930 * src/symtab.c: Don't access directly to the symbol tag, use
15932 * src/parse-gram.y: Use symbol_list_free.
15934 2002-06-17 Akim Demaille <akim@epita.fr>
15936 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
15937 (symbol_list_prepend, get_type_name): Move to...
15938 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
15939 (symbol_list_prepend, symbol_list_n_type_name_get): here.
15940 Adjust all callers.
15941 (symbol_list_free): New.
15942 * src/scan-gram.l (handle_dollar): Takes a location.
15943 * tests/input.at (Invalid $n): Adjust.
15945 2002-06-17 Akim Demaille <akim@epita.fr>
15947 * src/reader.h, src/reader.c (symbol_list_new): Export it.
15948 (symbol_list_prepend): New.
15949 * src/parse-gram.y (%union): `list' is a new member.
15950 (symbols.1): New, replaces...
15951 (terms_to_prec.1, nterms_to_type.1): these.
15952 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
15953 Take a location as additional argument.
15954 Adjust all callers.
15956 2002-06-15 Akim Demaille <akim@epita.fr>
15958 * src/parse-gram.y: Move %token in the declaration section so that
15959 we don't depend upon CVS Bison.
15961 2002-06-15 Akim Demaille <akim@epita.fr>
15963 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
15964 * src/print.c (print_core): Use it.
15966 2002-06-15 Akim Demaille <akim@epita.fr>
15968 * src/conflicts.c (log_resolution): Accept the rule involved in
15969 the sr conflicts instead of the lookahead number that points to
15971 (flush_reduce): Accept the current lookahead vector as argument,
15972 instead of the index in LA.
15973 (resolve_sr_conflict): Accept the current number of lookahead
15974 bitset to consider for the STATE, instead of the index in LA.
15975 (set_conflicts): Adjust.
15976 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
15978 2002-06-15 Akim Demaille <akim@epita.fr>
15980 * src/state.h (state_t): Replace the `lookaheadsp' member, a
15981 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
15982 Adjust all dependencies.
15983 * src/lalr.c (initialize_lookaheads): Split into...
15984 (states_lookaheads_count, states_lookaheads_initialize): these.
15987 2002-06-15 Akim Demaille <akim@epita.fr>
15989 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
15991 (grammar_rules_print): here.
15992 * src/reduce.c (reduce_output): Use it.
15993 * tests/reduce.at (Useless Rules, Reduced Automaton)
15994 (Underivable Rules): Adjust.
15996 2002-06-15 Akim Demaille <akim@epita.fr>
15998 Copy BYacc's nice way to report the grammar.
16000 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
16002 Don't print the rules' location, it is confusing and useless.
16003 (rule_print): Use grammar_rhs_print.
16004 * src/print.c (print_grammar): Use grammar_rules_print.
16006 2002-06-15 Akim Demaille <akim@epita.fr>
16008 Complete and rationalize `useless thing' warnings.
16010 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
16011 (symbol_tag_print): New.
16012 Use them everywhere in place of accessing directly the tag member.
16013 * src/gram.h, src/gram.c (rule_print): New.
16014 Use it where a rule used to be printed `by hand'.
16015 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
16016 (reduce_grammar_tables): Report the useless rules.
16017 (reduce_print): Useless things are a warning, not an error.
16019 * tests/reduce.at (Useless Nonterminals, Useless Rules):
16020 (Reduced Automaton, Underivable Rules): Adjust.
16021 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
16022 * tests/conflicts.at (Unresolved SR Conflicts)
16023 (Solved SR Conflicts): Adjust.
16025 2002-06-15 Akim Demaille <akim@epita.fr>
16027 Let symbols have a location.
16029 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
16031 Adjust all callers.
16032 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
16033 Use location_t, not int.
16034 * src/symtab.c (symbol_check_defined): Take advantage of the
16036 * tests/regression.at (Invalid inputs): Adjust.
16038 2002-06-15 Akim Demaille <akim@epita.fr>
16040 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
16041 (input): Don't try to initialize yylloc here, do it in the
16043 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
16044 * src/gram.h (rule_t): Change line and action_line into location
16045 and action_location, of location_t type.
16046 Adjust all dependencies.
16047 * src/location.h, src/location.c (empty_location): New.
16048 * src/reader.h, src/reader.c (grammar_start_symbol_set)
16049 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
16050 (grammar_current_rule_symbol_append)
16051 (grammar_current_rule_action_append): Expect a location as argument.
16052 * src/reader.c (grammar_midrule_action): Adjust to attach an
16053 action's location as dummy symbol location.
16054 * src/symtab.h, src/symtab.c (startsymbol_location): New.
16055 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
16058 2002-06-14 Akim Demaille <akim@epita.fr>
16060 Grammar declarations may be found in the grammar section.
16062 * src/parse-gram.y (rules_or_grammar_declaration): New.
16063 (declarations): Each declaration may end with a semicolon, not
16065 (grammar_declaration): `"%union"'.
16066 (grammar): Branch to rules_or_grammar_declaration.
16068 2002-06-14 Akim Demaille <akim@epita.fr>
16070 * src/main.c (main): Invoke scanner_free.
16072 2002-06-14 Akim Demaille <akim@epita.fr>
16074 * src/output.c (m4_invoke): Extracted from...
16075 (output_skeleton): here.
16078 2002-06-14 Akim Demaille <akim@epita.fr>
16080 * src/parse-gram.y (directives, directive, gram)
16081 (grammar_directives, precedence_directives, precedence_directive):
16083 (declarations, declaration, grammar, grammar_declaration)
16084 (precedence_declaration, precedence_declarator): these.
16085 (symbol_declaration): New.
16087 2002-06-14 Akim Demaille <akim@epita.fr>
16089 * src/files.c (action_obstack): Remove, unused.
16090 (output_obstack): Remove it, and all its dependencies, as it is no
16092 * src/reader.c (epilogue_set): Build the epilogue in the
16094 * src/output.h, src/output.c (muscle_obstack): Move to...
16095 * src/muscle_tab.h, src/muscle_tab.h: here.
16096 (muscle_init): Initialize muscle_obstack.
16097 (muscle_free): New.
16098 * src/main.c (main): Call it.
16100 2002-06-14 Akim Demaille <akim@epita.fr>
16102 * src/location.h: New, extracted from...
16103 * src/reader.h: here.
16104 * src/Makefile.am (noinst_HEADERS): Merge into
16105 (bison_SOURCES): this.
16107 * src/parse-gram.y: Use location_t instead of Bison's.
16108 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
16109 Use location_t instead of ints.
16111 2002-06-14 Akim Demaille <akim@epita.fr>
16113 * data/bison.simple, data/bison.c++: Be sure to restore the
16114 current #line when returning to the skeleton contents after having
16115 exposed the input file's #line.
16117 2002-06-12 Akim Demaille <akim@epita.fr>
16119 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
16121 * tests/actions.at (Exotic Dollars): New.
16123 2002-06-12 Akim Demaille <akim@epita.fr>
16125 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
16127 * tests/input.at (Torturing the Scanner): New.
16129 2002-06-11 Akim Demaille <akim@epita.fr>
16131 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
16132 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
16133 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
16134 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
16135 * src/reader.c (reader): Use it.
16137 2002-06-11 Akim Demaille <akim@epita.fr>
16139 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
16140 Adjust all callers.
16141 (scanner_last_string_free): New.
16143 2002-06-11 Akim Demaille <akim@epita.fr>
16145 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
16146 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
16147 (last_string, YY_OBS_FREE): New.
16148 Use them when returning an ID.
16150 2002-06-11 Akim Demaille <akim@epita.fr>
16152 Have Bison grammars parsed by a Bison grammar.
16154 * src/reader.c, src/reader.h (prologue_augment): New.
16155 * src/reader.c (copy_definition): Remove.
16157 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
16158 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
16159 (grammar_current_rule_prec_set, grammar_current_rule_check)
16160 (grammar_current_rule_symbol_append)
16161 (grammar_current_rule_action_append): Export.
16162 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
16163 (symbol_list_action_append): Remove.
16164 Hook the routines from reader.
16165 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
16166 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
16168 * src/reader.c (read_declarations): Remove, unused.
16170 * src/parse-gram.y: Handle the epilogue.
16171 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
16172 (grammar_start_symbol_set): this.
16173 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
16174 * src/reader.c (readgram): Remove, unused.
16175 (reader): Adjust to insert eoftoken and axiom where appropriate.
16177 * src/reader.c (copy_dollar): Replace with...
16178 * src/scan-gram.h (handle_dollar): this.
16179 * src/parse-gram.y: Remove `%thong'.
16181 * src/reader.c (copy_at): Replace with...
16182 * src/scan-gram.h (handle_at): this.
16184 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
16187 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
16190 * src/reader.h, src/reader.c (grammar_rule_end): New.
16192 * src/parse.y (current_type, current_class): New.
16193 Implement `%nterm', `%token' support.
16194 Merge `%term' into `%token'.
16195 (string_as_id): New.
16196 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
16199 * src/parse-gram.y: Be sure to handle properly the beginning of
16202 * src/parse-gram.y: Handle %type.
16203 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
16205 * src/parse-gram.y: More directives support.
16206 * src/options.c: No longer handle source directives.
16208 * src/parse-gram.y: Fix %output.
16210 * src/parse-gram.y: Handle %union.
16211 Use the prologue locations.
16212 * src/reader.c (parse_union_decl): Remove.
16214 * src/reader.h, src/reader.c (epilogue_set): New.
16215 * src/parse-gram.y: Use it.
16217 * data/bison.simple, data/bison.c++: b4_stype is now either not
16218 defined, then default to int, or to the contents of %union,
16219 without `union' itself.
16221 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
16223 * src/output.c (actions_output): Don't output braces, as they are
16224 already handled by the scanner.
16226 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
16227 characters to themselves.
16229 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
16230 that the epilogue has a proper #line.
16232 * src/parse-gram.y: Handle precedence/associativity.
16234 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
16236 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
16237 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
16238 at all to define terminals that cannot be emitted.
16240 * src/scan-gram.l: Escape M4 characters.
16242 * src/scan-gram.l: Working properly with escapes in user
16243 strings/characters.
16245 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
16246 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
16248 Use more modest sizes, as for the time being the parser does not
16249 release memory, and therefore the process swallows a huge amount
16252 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
16253 stricter %token grammar.
16255 * src/symtab.h (associativity): Add `undef_assoc'.
16256 (symbol_precedence_set): Do nothing when passed an undef_assoc.
16257 * src/symtab.c (symbol_check_alias_consistence): Adjust.
16259 * tests/regression.at (Invalid %directive): Remove, as it is now
16261 (Invalid inputs): Adjust to the new error messages.
16262 (Token definitions): The new grammar doesn't allow too many
16265 * src/lex.h, src/lex.c: Remove.
16266 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
16267 (copy_character, copy_string2, copy_string, copy_identifier)
16268 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
16269 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
16270 (parse_action): Remove.
16271 * po/POTFILES.in: Adjust.
16273 2002-06-11 Akim Demaille <akim@epita.fr>
16275 * src/reader.c (parse_action): Don't store directly into the
16276 rule's action member: return the action as a string.
16277 Don't require `rule_length' as an argument: compute it.
16278 (grammar_current_rule_symbol_append)
16279 (grammar_current_rule_action_append): New, eved out from
16281 Remove `action_flag', `rulelength', unused now.
16283 2002-06-11 Akim Demaille <akim@epita.fr>
16285 * src/reader.c (grammar_current_rule_prec_set).
16286 (grammar_current_rule_check): New, eved out from...
16288 Remove `xaction', `first_rhs': useless.
16289 * tests/input.at (Type clashes): New.
16290 * tests/existing.at (GNU Cim Grammar): Adjust.
16292 2002-06-11 Akim Demaille <akim@epita.fr>
16294 * src/reader.c (grammar_midrule_action): New, Eved out from
16297 2002-06-11 Akim Demaille <akim@epita.fr>
16299 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
16301 (readgram): Use them as replacement of inlined code, crule and
16304 2002-06-11 Akim Demaille <akim@epita.fr>
16306 * src/reader.c (grammar_end, grammar_symbol_append): New.
16307 (readgram): Use them.
16308 Make the use of `p' as local as possible.
16310 2002-06-10 Akim Demaille <akim@epita.fr>
16312 GCJ's parser requires the tokens to be defined before the prologue.
16314 * data/bison.simple: Output the token definition before the user's
16316 * tests/regression.at (Braces parsing, Duplicate string)
16317 (Mixing %token styles): Check the output from bison.
16318 (Early token definitions): New.
16320 2002-06-10 Akim Demaille <akim@epita.fr>
16322 * src/symtab.c (symbol_user_token_number_set): Don't complain when
16323 assigning twice the same user number to a token, so that we can
16325 * src/lex.c (lex): here.
16326 Also use `symbol_class_set' instead of hand written code.
16327 * src/reader.c (parse_assoc_decl): Likewise.
16329 2002-06-10 Akim Demaille <akim@epita.fr>
16331 * src/symtab.c, src/symtab.c (symbol_class_set)
16332 (symbol_user_token_number_set): New.
16333 * src/reader.c (parse_token_decl): Use them.
16334 Use a switch instead of ifs.
16335 Use a single argument.
16337 2002-06-10 Akim Demaille <akim@epita.fr>
16339 Remove `%thong' support as it is undocumented, unused, duplicates
16340 `%token's job, and creates useless e-mail traffic with people who
16341 want to know what it is, why it is undocumented, unused, and
16342 duplicates `%token's job.
16344 * src/reader.c (parse_thong_decl): Remove.
16345 * src/options.c (option_table): Remove "thong".
16346 * src/lex.h (tok_thong): Remove.
16348 2002-06-10 Akim Demaille <akim@epita.fr>
16350 * src/symtab.c, src/symtab.c (symbol_type_set)
16351 (symbol_precedence_set): New.
16352 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
16353 (value_components_used): Remove, unused.
16355 2002-06-09 Akim Demaille <akim@epita.fr>
16357 Move symbols handling code out of the reader.
16359 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
16360 (axiom): Move to...
16361 * src/symtab.h, src/symtab.c: here.
16363 * src/gram.c (start_symbol): Remove: use startsymbol->number.
16364 * src/reader.c (startval): Rename as...
16365 * src/symtab.h, src/symtab.c (startsymbol): this.
16366 * src/reader.c: Adjust.
16368 * src/reader.c (symbol_check_defined, symbol_make_alias)
16369 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
16370 (token_translations_init)
16372 * src/symtab.c: here.
16373 * src/reader.c (packsymbols): Move to...
16374 * src/symtab.h, src/symtab.c (symbols_pack): here.
16375 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
16378 2002-06-03 Akim Demaille <akim@epita.fr>
16380 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
16383 2002-06-03 Akim Demaille <akim@epita.fr>
16385 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
16386 structs with non literals.
16387 * src/scan-skel.l: never-interactive.
16388 * src/conflicts.c (enum conflict_resolution_e): No trailing
16390 * src/getargs.c (usage): Split long literal strings.
16391 Reported by Hans Aberg.
16393 2002-05-28 Akim Demaille <akim@epita.fr>
16395 * data/bison.c++: Use C++ ostreams.
16396 (cdebug_): New member.
16398 2002-05-28 Akim Demaille <akim@epita.fr>
16400 * src/output.c (output_skeleton): Be sure to allocate enough room
16401 for `/' _and_ for `\0' in full_skeleton.
16403 2002-05-28 Akim Demaille <akim@epita.fr>
16405 * data/bison.c++: Catch up with bison.simple:
16406 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16407 and Paul Eggert <eggert@twinsun.com>: `error' handing.
16408 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
16409 and popping traces.
16411 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16413 * src/output.c (output_skeleton): Put an explicit path in front of
16414 the skeleton file name, rather than relying on the -I directory,
16415 to partially alleviate effects of having a skeleton file lying around
16416 in the current directory.
16418 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16420 * src/conflicts.c (log_resolution): Correct typo:
16421 obstack_printf should be obstack_fgrow1.
16423 2002-05-26 Akim Demaille <akim@epita.fr>
16425 * src/state.h (state_t): `solved_conflicts' is a new member.
16426 * src/LR0.c (new_state): Set it to 0.
16427 * src/conflicts.h, src/conflicts.c (print_conflicts)
16428 (free_conflicts, solve_conflicts): Rename as...
16429 (conflicts_print, conflicts_free, conflicts_solve): these.
16431 * src/conflicts.c (enum conflict_resolution_e)
16432 (solved_conflicts_obstack): New, used by...
16433 (log_resolution): this.
16434 Adjust to attach the conflict resolution to each state.
16435 Complete the description with the precedence/associativity
16437 (resolve_sr_conflict): Adjust.
16438 * src/print.c (print_state): Output its solved_conflicts.
16439 * tests/conflicts.at (Unresolved SR Conflicts)
16440 (Solved SR Conflicts): Exercise --report=all.
16442 2002-05-26 Akim Demaille <akim@epita.fr>
16444 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
16445 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
16446 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
16447 (token_number_t, item_number_as_token_number)
16448 (token_number_as_item_number, muscle_insert_token_number_table):
16450 (symbol_number_t, item_number_as_symbol_number)
16451 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
16452 these, since it is more appropriate.
16454 2002-05-26 Akim Demaille <akim@epita.fr>
16456 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
16458 * data/bison.simple (yystos) [YYDEBUG]: New.
16459 (yyparse) [YYDEBUG]: Display the symbols which are popped during
16461 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
16463 2002-05-25 Akim Demaille <akim@epita.fr>
16465 * doc/bison.texinfo (Debugging): Split into...
16466 (Tracing): this new section, its former contents, and...
16467 (Understanding): this new section.
16468 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
16470 (report_flag): this.
16471 Adjust all dependencies.
16472 (report_args, report_types, report_argmatch): New.
16473 (usage, getargs): Report/support -r, --report.
16475 (struct option_table_struct): Rename as..,
16476 (struct option_table_s): this.
16477 Rename the `set_flag' member to `flag' to match with getopt_long's
16479 * src/options.c (option_table): Split verbose into an entry for
16480 %verbose, and another for --verbose.
16481 Support --report/-r, so remove -r from the obsolete --raw.
16482 * src/print.c: Attach full item sets and lookaheads reports to
16483 report_flag instead of trace_flag.
16484 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
16486 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16487 and Paul Eggert <eggert@twinsun.com>
16489 * data/bison.simple (yyparse): Correct error handling to conform to
16490 POSIX and yacc. Specifically, after syntax error is discovered,
16491 do not reduce further before shifting the error token.
16492 Clean up the code a bit by removing the labels yyerrdefault,
16493 yyerrhandle, yyerrpop.
16494 * NEWS: Document the above.
16496 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16498 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
16499 type; it isn't always big enough, since it doesn't necessarily
16500 include non-terminals.
16501 (yytranslate): Expand definition of yy_token_number_type, so that
16502 the latter can be removed.
16503 (yy_token_number_type): Remove, only one use.
16504 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
16505 don't use TokenNumberType as element type.
16507 * tests/regression.at: Modify expected output to agree with change
16508 to yyr1 and yytranslate.
16510 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
16512 * src/reader.c (parse_action): Use copy_character instead of
16515 2002-05-13 Akim Demaille <akim@epita.fr>
16517 * tests/regression.at (Token definitions): Prototype yylex and
16520 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16522 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
16523 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
16525 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
16527 2002-05-07 Akim Demaille <akim@epita.fr>
16529 * tests/synclines.at: Be sure to prototype yylex and yyerror to
16530 avoid GCC warnings.
16532 2002-05-07 Akim Demaille <akim@epita.fr>
16536 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
16537 over the RHS of each rule.
16538 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
16539 * src/state.h (state_t): Member `nitems' is unsigned short.
16540 * src/LR0.c (get_state): Adjust.
16541 * src/reader.c (packgram): Likewise.
16542 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
16544 (muscle_insert_int_table): Remove, unused.
16545 (prepare_rules): Remove `max'.
16547 2002-05-06 Akim Demaille <akim@epita.fr>
16549 * src/closure.c (print_firsts): Display of the symbol tags.
16550 (bitmatrix_print): Move to...
16551 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
16553 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
16555 2002-05-06 Akim Demaille <akim@epita.fr>
16557 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
16560 2002-05-06 Akim Demaille <akim@epita.fr>
16562 * src/LR0.c (new_state, get_state): Instead of using the global
16563 `kernel_size' and `kernel_base', have two new arguments:
16564 `core_size' and `core'.
16567 2002-05-06 Akim Demaille <akim@epita.fr>
16569 * src/reader.c (packgram): No longer end `ritem' with a 0
16570 sentinel: it is not used.
16572 2002-05-05 Akim Demaille <akim@epita.fr>
16574 New experimental feature: display the lookaheads in the report and
16577 * src/print (print_core): When --trace-flag, display the rules
16579 * src/print_graph.c (print_core): Likewise.
16580 Swap the arguments.
16583 2002-05-05 Akim Demaille <akim@epita.fr>
16585 * tests/torture.at (Many lookaheads): New test.
16587 2002-05-05 Akim Demaille <akim@epita.fr>
16589 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
16590 (GENERATE_MUSCLE_INSERT_TABLE): this.
16591 (output_int_table, output_unsigned_int_table, output_short_table)
16592 (output_token_number_table, output_item_number_table): Replace with...
16593 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
16594 (muscle_insert_short_table, muscle_insert_token_number_table)
16595 (muscle_insert_item_number_table): these.
16596 Adjust all callers.
16597 (prepare_tokens): Don't free `translations', since...
16598 * src/reader.h, src/reader.c (grammar_free): do it.
16600 * src/gram.h, src/gram.c (grammar_free): here.
16601 * data/bison.simple, data/bison.c++: b4_token_number_max is now
16604 2002-05-05 Akim Demaille <akim@epita.fr>
16606 * src/output.c (output_unsigned_int_table): New.
16607 (prepare_rules): `i' is unsigned.
16608 `prhs', `rline', `r2' are unsigned int.
16609 Rename muscle `rhs_number_max' as `rhs_max'.
16610 Output muscles `prhs_max', `rline_max', and `r2_max'.
16612 * data/bison.simple, data/bison.c++: Adjust to use these muscles
16613 to compute types instead of constant types.
16614 * tests/regression.at (Web2c Actions): Adjust.
16616 2002-05-04 Akim Demaille <akim@epita.fr>
16618 * src/symtab.h (SALIAS, SUNDEF): Rename as...
16619 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
16620 Adjust dependencies.
16621 * src/output.c (token_definitions_output): Be sure not to output a
16622 `#define 'a'' when fed with `%token 'a' "a"'.
16623 * tests/regression.at (Token definitions): New.
16625 2002-05-03 Paul Eggert <eggert@twinsun.com>
16627 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
16630 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
16632 * Makefile.am (SUBDIRS): Remove intl.
16633 (EXTRA_DIST): Add config/config.rpath.
16635 2002-05-03 Akim Demaille <akim@epita.fr>
16637 * data/bison.simple (m4_if): Don't output empty enums.
16638 And actually, output valid enum definitions :(.
16640 2002-05-03 Akim Demaille <akim@epita.fr>
16642 * configure.bat: Remove, completely obsolete.
16643 * Makefile.am (EXTRA_DIST): Adjust.
16644 Don't distribute config.rpath...
16645 * config/Makefile.am (EXTRA_DIST): Do it.
16647 2002-05-03 Akim Demaille <akim@epita.fr>
16649 * configure.in (GETTEXT_VERSION): New.
16650 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
16652 2002-05-03 Akim Demaille <akim@epita.fr>
16654 * data/bison.simple (b4_token_enum): New.
16655 (b4_token_defines): Use it to output tokens both as #define and
16657 Suggested by Paul Eggert.
16658 * src/output.c (token_definitions_output): Don't output spurious
16661 2002-05-03 Akim Demaille <akim@epita.fr>
16663 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
16665 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
16667 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
16668 Update the stack class, give a try to deque as the default container.
16670 2002-05-02 Akim Demaille <akim@epita.fr>
16672 * data/bison.simple (yyparse): Do not implement @$ = @1.
16673 (YYLLOC_DEFAULT): Adjust to do it.
16674 * doc/bison.texinfo (Location Default Action): Fix.
16676 2002-05-02 Akim Demaille <akim@epita.fr>
16678 * src/reader.c (parse_braces): Merge into...
16679 (parse_action): this.
16681 2002-05-02 Akim Demaille <akim@epita.fr>
16683 * configure.in (ALL_LINGUAS): Remove.
16684 * po/LINGUAS, hr.po: New.
16686 2002-05-02 Akim Demaille <akim@epita.fr>
16688 Remove the so called hairy (semantic) parsers.
16690 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
16691 * src/gram.h, src/gram.c (semantic_parser): Remove.
16692 (rule_t): Remove the guard and guard_line members.
16693 * src/lex.h (token_t): remove tok_guard.
16694 * src/options.c (option_table): Remove %guard and %semantic_parser
16696 * src/output.c, src/output.h (guards_output): Remove.
16698 (token_definitions_output): Don't output the `T'
16700 (output_skeleton): Don't output the guards.
16701 * src/files.c, src/files.c (attrsfile): Remove.
16702 * src/reader.c (symbol_list): Remove the guard and guard_line
16704 Adjust dependencies.
16705 (parse_guard): Remove.
16706 * data/bison.hairy: Remove.
16707 * doc/bison.texinfo (Environment Variables): Remove occurrences of
16710 2002-05-02 Akim Demaille <akim@epita.fr>
16712 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
16713 (parse_guard): Rename the formal argument `stack_offset' as
16714 `rule_length', which is more readable.
16716 (copy_at, copy_dollar): Instead of outputting the hard coded
16717 values of $$, $n and so forth, output invocation to b4_lhs_value,
16718 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
16719 Note: this patch partially drops `semantic-parser' support: it
16720 always does `rule_length - n', where semantic parsers ought to
16722 * data/bison.simple, data/bison.c++ (b4_lhs_value)
16723 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
16725 2002-05-02 Akim Demaille <akim@epita.fr>
16727 * configure.in (AC_INIT): Bump to 1.49b.
16728 (AM_INIT_AUTOMAKE): Short invocation.
16730 2002-05-02 Akim Demaille <akim@epita.fr>
16734 2002-05-01 Akim Demaille <akim@epita.fr>
16736 * src/skeleton.h: Remove.
16738 2002-05-01 Akim Demaille <akim@epita.fr>
16740 * src/skeleton.h: Fix the #endif.
16741 Reported by Magnus Fromreide.
16743 2002-04-26 Paul Eggert <eggert@twinsun.com>
16745 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
16746 Define if we define YYSTYPE and YYLTYPE, respectively.
16747 (YYCOPY): Fix [] quoting problem in the non-GCC case.
16749 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
16751 * src/scan-skel.l: Postprocess quadrigraphs.
16753 * src/reader.c (copy_character): New function, used to output
16754 single characters while replacing `[' and `]' with quadrigraphs, to
16755 avoid troubles with M4 quotes.
16756 (copy_comment): Output characters with copy_character.
16757 (read_additionnal_code): Likewise.
16758 (copy_string2): Likewise.
16759 (copy_definition): Likewise.
16761 * tests/calc.at: Exercise M4 quoting.
16763 2002-04-25 Akim Demaille <akim@epita.fr>
16765 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
16766 between `!' and the command.
16767 Reported by Paul Eggert.
16769 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
16771 * tests/calc.at: Exercise prologue splitting.
16773 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
16774 `b4_post_prologue' instead of `b4_prologue'.
16776 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
16778 (output): Free pre_prologue_obstack and post_prologue_obstack.
16779 * src/files.h, src/files.c (attrs_obstack): Remove.
16780 (pre_prologue_obstack, post_prologue_obstack): New.
16781 * src/reader.c (copy_definition): Add a parameter to specify the
16782 obstack to fill, instead of using attrs_obstack unconditionally.
16783 (read_declarations): Pass pre_prologue_obstack to copy_definition if
16784 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
16786 2002-04-23 Paul Eggert <eggert@twinsun.com>
16788 * data/bison.simple: Remove unnecessary commentary and white
16789 space differences from 1_29-branch.
16790 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
16792 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
16793 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
16794 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
16795 constructors or destructors.
16797 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
16799 2002-04-23 Akim Demaille <akim@epita.fr>
16801 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
16802 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
16803 location with columns.
16804 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
16805 All reported by Paul Eggert.
16807 2002-04-22 Akim Demaille <akim@epita.fr>
16809 * src/reduce.c (dump_grammar): Move to...
16810 * src/gram.h, src/gram.c (grammar_dump): here.
16811 Be sure to separate long item numbers.
16812 Don't read the members of a rule's prec if its nil.
16814 2002-04-22 Akim Demaille <akim@epita.fr>
16816 * src/output.c (table_size, table_grow): New.
16817 (MAXTABLE): Remove, replace uses with table_size.
16818 (pack_vector): Instead of dying when the table is too big, grow it.
16820 2002-04-22 Akim Demaille <akim@epita.fr>
16822 * data/bison.simple (yyr1): Its type is that of a token number.
16823 * data/bison.c++ (r1_): Likewise.
16824 * tests/regression.at (Web2c Actions): Adjust.
16826 2002-04-22 Akim Demaille <akim@epita.fr>
16828 * src/reader.c (token_translations_init): 256 is now the default
16829 value for the error token, i.e., it will be assigned another
16830 number if the user assigned 256 to one of her tokens.
16831 (reader): Don't force 256 to error.
16832 * doc/bison.texinfo (Symbols): Adjust.
16833 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
16834 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
16835 etc. instead of 10, 20, 30 (which was used to `jump' over error
16836 (256) and undefined (2)).
16838 2002-04-22 Akim Demaille <akim@epita.fr>
16840 Propagate more token_number_t.
16842 * src/gram.h (token_number_as_item_number)
16843 (item_number_as_token_number): New.
16844 * src/output.c (GENERATE_OUTPUT_TABLE): New.
16845 Use it to create output_item_number_table and
16846 output_token_number_table.
16847 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
16848 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
16849 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
16850 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
16852 2002-04-22 Akim Demaille <akim@epita.fr>
16854 * src/output.h, src/output.c (get_lines_number): Remove.
16856 2002-04-19 Akim Demaille <akim@epita.fr>
16858 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
16860 (Debugging): More details about enabling the debugging features.
16861 (Table of Symbols): Describe $$, $n, @$, and @n.
16862 Suggested by Tim Josling.
16864 2002-04-19 Akim Demaille <akim@epita.fr>
16866 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
16868 2002-04-10 Akim Demaille <akim@epita.fr>
16870 * src/system.h: Rely on HAVE_LIMITS_H.
16871 Suggested by Paul Eggert.
16873 2002-04-09 Akim Demaille <akim@epita.fr>
16875 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
16876 full stderr, and strip it according to the bison options, instead
16877 of composing the error message from different bits.
16878 This makes it easier to check for several error messages.
16879 Adjust all the invocations.
16880 Add an invocation exercising the error token.
16881 Add an invocation demonstrating a stupid error message.
16882 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
16884 Error message are for stderr, not stdout.
16886 2002-04-09 Akim Demaille <akim@epita.fr>
16888 * src/gram.h, src/gram.c (error_token_number): Remove, use
16890 * src/reader.c (reader): Don't specify the user token number (2)
16891 for $undefined, as it uselessly prevents using it.
16892 * src/gram.h (token_number_t): Move to...
16893 * src/symtab.h: here.
16894 (state_t.number): Is a token_number_t.
16895 * src/print.c, src/reader.c: Use undeftoken->number instead of
16897 (Even though this 2 is not the same as above: the number of the
16898 undeftoken remains being 2, it is its user token number which
16900 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
16901 `user_token_number_max'.
16902 Output `undef_token_number'.
16903 * data/bison.simple, data/bison.c++: Use them.
16904 Be sure to map invalid yylex return values to
16905 `undef_token_number'. This saves us from gratuitous SEGV.
16907 * tests/conflicts.at (Solved SR Conflicts)
16908 (Unresolved SR Conflicts): Adjust.
16909 * tests/regression.at (Web2c Actions): Adjust.
16911 2002-04-08 Akim Demaille <akim@epita.fr>
16913 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
16915 Remove the duplicate `typedefs'.
16916 (RhsNumberType): Fix the declaration and various other typos.
16918 * data/bison.simple: Use __ofile__.
16919 * src/scan-skel.l: Handle __ofile__.
16921 2002-04-08 Akim Demaille <akim@epita.fr>
16923 * src/gram.h (item_number_t): New, the type of item numbers in
16924 RITEM. Note that it must be able to code symbol numbers as
16925 positive number, and the negation of rule numbers as negative
16927 Adjust all dependencies (pretty many).
16928 * src/reduce.c (rule): Remove this `short *' pointer: use
16930 * src/system.h (MINSHORT, MAXSHORT): Remove.
16931 Include `limits.h'.
16932 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
16933 (shortcpy): Remove.
16934 (MAXTABLE): Move to...
16935 * src/output.c (MAXTABLE): here.
16936 (prepare_rules): Use output_int_table to output rhs.
16937 * data/bison.simple, data/bison.c++: Adjust.
16938 * tests/torture.at (Big triangle): Move the limit from 254 to
16940 * tests/regression.at (Web2c Actions): Ajust.
16942 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
16943 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
16944 passes, but produces negative #line number, once fixed, GCC is
16945 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
16947 * src/state.h (state_h): Code input lines on ints, not shorts.
16949 2002-04-08 Akim Demaille <akim@epita.fr>
16951 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
16952 and then the grammar.
16954 2002-04-08 Akim Demaille <akim@epita.fr>
16956 * src/system.h: No longer using strndup.
16958 2002-04-07 Akim Demaille <akim@epita.fr>
16960 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
16961 * src/output.c (output_table_data): Return the longest number.
16962 (prepare_tokens): Output `token_number_max').
16963 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
16965 Use them to define yy_token_number_type/TokenNumberType.
16966 Use this type for yytranslate.
16967 * tests/torture.at (Big triangle): Push the limit from 124 to
16969 * tests/regression.at (Web2c Actions): Adjust.
16971 2002-04-07 Akim Demaille <akim@epita.fr>
16973 * tests/torture.at (Big triangle): New.
16974 (GNU AWK Grammar, GNU Cim Grammar): Move to...
16975 * tests/existing.at: here.
16977 2002-04-07 Akim Demaille <akim@epita.fr>
16979 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
16981 Adjust dependencies.
16983 2002-04-07 Akim Demaille <akim@epita.fr>
16985 * src/reader.c: Normalize increments to prefix form.
16987 2002-04-07 Akim Demaille <akim@epita.fr>
16989 * src/reader.c, symtab.c: Remove debugging code.
16991 2002-04-07 Akim Demaille <akim@epita.fr>
16993 Rename all the `bucket's as `symbol_t'.
16995 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
16996 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
16997 * src/symtab.c, src/symtab.h (bucket): Rename as...
16999 (symbol_list_new, bucket_check_defined, bucket_make_alias)
17000 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
17001 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
17002 (buckets_new, buckets_free, buckets_do): Rename as...
17003 (symbol_list_new, symbol_check_defined, symbol_make_alias)
17004 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
17005 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
17006 (symbols_new, symbols_free, symbols_do): these.
17008 2002-04-07 Akim Demaille <akim@epita.fr>
17010 Use lib/hash for the symbol table.
17012 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
17014 * src/lex.c (lex): Set the `number' member of new terminals.
17015 * src/reader.c (bucket_check_defined, bucket_make_alias)
17016 (bucket_check_alias_consistence, bucket_translation): New.
17017 (reader, grammar_free, readgram, token_translations_init)
17018 (packsymbols): Adjust.
17019 (reader): Number the predefined tokens.
17020 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
17021 for predefined tokens.
17022 * src/symtab.h (bucket): Remove all the hash table related
17024 * src/symtab.c (symtab): Replace by...
17025 (bucket_table): this.
17026 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
17027 (buckets_new, buckets_do): New.
17029 2002-04-07 Akim Demaille <akim@epita.fr>
17031 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
17032 (start_symbol, max_user_token_number, semantic_parser)
17033 (error_token_number): Initialize.
17034 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
17037 (errtoken, eoftoken, undeftoken, axiom): Extern.
17039 2002-04-07 Akim Demaille <akim@epita.fr>
17041 * src/gram.h (rule_s): prec and precsym are now pointers
17042 to the bucket giving the priority/associativity.
17043 Member `associativity' removed: useless.
17044 * src/reduce.c, src/conflicts.c: Adjust.
17046 2002-04-07 Akim Demaille <akim@epita.fr>
17048 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
17049 Properly escape the symbols' TAG when outputting them.
17051 2002-04-07 Akim Demaille <akim@epita.fr>
17053 * src/lalr.h (LA): Is a bitsetv, not bitset*.
17055 2002-04-07 Akim Demaille <akim@epita.fr>
17057 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
17058 (LArule): this, which is an array to rule_t*.
17059 * src/print.c, src/conflicts.c: Adjust.
17061 2002-04-07 Akim Demaille <akim@epita.fr>
17063 * src/gram.h (rule_t): Rename `number' as `user_number'.
17064 `number' is a new member.
17065 Adjust dependencies.
17066 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
17068 2002-04-07 Akim Demaille <akim@epita.fr>
17070 As a result of the previous patch, it is no longer needed
17071 to reorder ritem itself.
17073 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
17075 2002-04-07 Akim Demaille <akim@epita.fr>
17077 Be sure never to walk through RITEMS, but use only data related to
17078 the rules themselves. RITEMS should be banished.
17080 * src/output.c (output_token_translations): Rename as...
17081 (prepare_tokens): this.
17082 In addition to `translate', prepare the muscles `tname' and
17083 `toknum', which were handled by...
17084 (output_rule_data): this.
17085 Remove, and move the remainder of its outputs into...
17086 (prepare_rules): this new routines, which also merges content from
17087 (output_gram): this.
17088 (prepare_rules): Be sure never to walk through RITEMS.
17089 (output_stos): Rename as...
17090 (prepare_stos): this.
17091 (output): Always invoke prepare_states, after all, just don't use it
17092 in the output if you don't need it.
17094 2002-04-07 Akim Demaille <akim@epita.fr>
17096 * src/LR0.c (new_state): Display `nstates' as the name of the
17097 newly created state.
17098 Adjust to initialize first_state and last_state if needed.
17099 Be sure to distinguish the initial from the final state.
17100 (new_states): Create the itemset of the initial state, and use
17102 * src/closure.c (closure): Now that the initial state has its
17103 items properly set, there is no need for a special case when
17104 creating `ruleset'.
17106 As a result, now the rule 0, reducing to $axiom, is visible in the
17107 outputs. Adjust the test suite.
17109 * tests/conflicts.at (Solved SR Conflicts)
17110 (Unresolved SR Conflicts): Adjust.
17111 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
17112 * tests/conflicts.at (S/R in initial): New.
17114 2002-04-07 Akim Demaille <akim@epita.fr>
17116 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
17117 the RHS of the rules.
17118 * src/output.c (output_gram): Likewise.
17120 2002-04-07 Akim Demaille <akim@epita.fr>
17122 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
17124 Adjust all dependencies.
17125 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
17126 `number' of the buckets too.
17127 * src/gram.h: Include `symtab.h'.
17128 (associativity): Move to...
17129 * src/symtab.h: here.
17130 No longer include `gram.h'.
17132 2002-04-07 Akim Demaille <akim@epita.fr>
17134 * src/gram.h, src/gram.c (rules_rhs_length): New.
17135 (ritem_longest_rhs): Use it.
17136 * src/gram.h (rule_t): `number' is a new member.
17137 * src/reader.c (packgram): Set it.
17138 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
17139 the end of `rules', and count them out of `nrules'.
17140 (reduce_output, dump_grammar): Adjust.
17141 * src/print.c (print_grammar): It is no longer needed to check for
17142 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
17143 * tests/reduce.at (Reduced Automaton): New test.
17145 2002-04-07 Akim Demaille <akim@epita.fr>
17147 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
17148 lacking `+ 1' to nrules, Bison reported as useless a token if it
17149 was used solely to set the precedence of the last rule...
17151 2002-04-07 Akim Demaille <akim@epita.fr>
17153 * data/bison.c++, data/bison.simple: Don't output the current file
17154 name in #line, to avoid useless diffs between two identical
17155 outputs under different names.
17157 2002-04-07 Akim Demaille <akim@epita.fr>
17159 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
17160 Normalize loops to using `< nrules + 1', not `<= nrules'.
17162 2002-04-07 Akim Demaille <akim@epita.fr>
17166 2002-04-07 Akim Demaille <akim@epita.fr>
17168 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
17169 bucket.value as bucket.number.
17171 2002-04-07 Akim Demaille <akim@epita.fr>
17173 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
17174 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
17175 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
17176 RHS, instead of being an index in RITEMS.
17178 2002-04-04 Paul Eggert <eggert@twinsun.com>
17180 * doc/bison.texinfo: Update copyright date.
17181 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
17182 (Symbols): Warn about running Bison in one character set,
17183 but compiling and/or running in an incompatible one.
17184 Warn about character code 256, too.
17186 2002-04-03 Paul Eggert <eggert@twinsun.com>
17188 * src/bison.data (YYSTACK_ALLOC): Depend on whether
17189 YYERROR_VERBOSE is nonzero, not whether it is defined.
17191 Merge changes from bison-1_29-branch.
17193 2002-03-20 Paul Eggert <eggert@twinsun.com>
17195 Merge fixes from Debian bison_1.34-1.diff.
17197 * configure.in (AC_PREREQ): 2.53.
17199 2002-03-20 Akim Demaille <akim@epita.fr>
17201 * src/conflicts.c (log_resolution): Argument `resolution' is const.
17203 2002-03-19 Paul Eggert <eggert@twinsun.com>
17205 * src/bison.simple (YYCOPY): New macro.
17206 (YYSTACK_RELOCATE): Use it.
17207 Remove Type arg; no longer needed. All callers changed.
17208 (yymemcpy): Remove; no longer needed.
17210 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
17211 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
17213 2002-03-19 Akim Demaille <akim@epita.fr>
17215 Test and fix the #line outputs.
17217 * tests/atlocal.at (GCC): New.
17218 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
17219 (Prologue synch line, %union synch line, Postprologue synch line)
17220 (Action synch line, Epilogue synch line): New tests.
17221 * src/reader.c (parse_union_decl): Define the muscle stype_line.
17222 * data/bison.simple, data/bison.c++: Use it.
17224 2002-03-19 Akim Demaille <akim@epita.fr>
17226 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
17227 (Solved SR Conflicts, %expect not enough, %expect right)
17228 (%expect too much): Move to...
17229 * tests/conflicts.at: this new file.
17231 2002-03-19 Akim Demaille <akim@epita.fr>
17233 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
17234 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
17235 that we can move to enums for instance.
17236 * src/output.c (token_definitions_output): Output a list of
17237 `token-name, token-number' instead of the #define.
17238 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
17240 2002-03-14 Akim Demaille <akim@epita.fr>
17242 Use Gettext 0.11.1.
17244 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
17246 * data/bison.c++: Make the user able to add members to the generated
17247 parser by subclassing.
17249 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
17251 * src/reader.c (read_additionnal_code): `c' should be an integer, not
17253 Reported by Nicolas Tisserand and Nicolas Burrus.
17255 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17257 * src/reader.c: Warn about lacking semi-colons, do not complain.
17259 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17261 * data/bison.c++: Remove a debug line.
17263 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17265 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
17266 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
17267 provide a default implementation.
17269 2002-03-04 Akim Demaille <akim@epita.fr>
17271 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
17272 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
17273 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
17274 * tests/semantic.at (Parsing Guards): Similarly.
17275 * src/reader.at (readgram): Complain if the last rule is not ended
17278 2002-03-04 Akim Demaille <akim@epita.fr>
17280 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
17281 * src/closure.c: here.
17282 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
17284 * src/warshall.h, src/warshall.c: Remove.
17285 * tests/sets.at (Broken Closure): Adjust.
17287 2002-03-04 Akim Demaille <akim@epita.fr>
17289 * src/output.c (output_skeleton): tempdir is const.
17290 bytes_read is unused.
17292 2002-03-04 Akim Demaille <akim@epita.fr>
17294 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
17295 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
17297 From Michael Hayes.
17299 2002-03-04 Akim Demaille <akim@epita.fr>
17301 * src/closure.c (closure): `r' is unused.
17303 2002-03-04 Akim Demaille <akim@epita.fr>
17305 * tests/sets.at (Broken Closure): Add the ending `;'.
17306 * src/reader.at (readgram): Complain if a rule is not ended with a
17309 2002-03-04 Akim Demaille <akim@epita.fr>
17311 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
17312 (count_sr_conflicts): Use bitset_count.
17313 * src/reduce.c (inaccessable_symbols): Ditto.
17314 (bits_size): Remove.
17315 * src/warshall.h, src/warshall.c: Convert to bitsetv.
17317 2002-03-04 Akim Demaille <akim@epita.fr>
17319 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
17320 * src/reduce.c: Remove the `bitset_zero's following the
17321 `bitset_create's, as now it is performed by the latter.
17323 2002-03-04 Akim Demaille <akim@epita.fr>
17325 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
17326 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
17327 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
17328 latest sources from Michael.
17330 2002-03-04 Akim Demaille <akim@epita.fr>
17332 * src/output.c (output): Don't free the grammar.
17333 * src/reader.c (grammar_free): New.
17334 * src/main.c (main): Call it and don't free symtab here.
17336 2002-03-04 Akim Demaille <akim@epita.fr>
17338 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
17340 Reported by Benoit Perrot.
17342 2002-03-04 Akim Demaille <akim@epita.fr>
17344 Use bitset operations when possible, not loops over bits.
17346 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
17348 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
17349 * src/reduce.c (useless_nonterminals): Formatting changes.
17350 * src/warshall.c (TC): Use bitset_or.
17352 2002-03-04 Akim Demaille <akim@epita.fr>
17354 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
17355 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
17358 2002-03-04 Akim Demaille <akim@epita.fr>
17360 * src/lalr.c (F): Now a bitset*.
17361 Adjust all dependencies.
17363 2002-03-04 Akim Demaille <akim@epita.fr>
17365 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
17366 Adjust all dependencies.
17368 2002-03-04 Akim Demaille <akim@epita.fr>
17370 * src/L0.c, src/LR0.h (nstates): Be size_t.
17371 Adjust comparisons (signed vs unsigned).
17372 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
17374 Adjust all dependencies.
17376 2002-03-04 Akim Demaille <akim@epita.fr>
17378 * src/closure.c (firsts): Now, also a bitset.
17379 Adjust all dependencies.
17380 (varsetsize): Remove, now unused.
17381 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
17383 2002-03-04 Akim Demaille <akim@epita.fr>
17385 * src/print.c: Convert to use bitset.h, not hand coded iterations
17388 2002-03-04 Akim Demaille <akim@epita.fr>
17390 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
17392 2002-03-04 Akim Demaille <akim@epita.fr>
17394 * src/closure.c (ruleset): Be a bitset.
17395 (rulesetsize): Remove.
17397 2002-03-04 Akim Demaille <akim@epita.fr>
17399 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
17400 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
17401 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
17402 * src/closure.c (fderives): Be an array of bitsets.
17404 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
17406 * data/bison.c++: Merge the two generated headers. Insert a copyright
17407 notice in each output file.
17409 2002-02-28 Akim Demaille <akim@epita.fr>
17411 * data/bison.c++: Copy the prologue of bison.simple to fetch
17412 useful M4 definitions, such as b4_header_guard.
17414 2002-02-25 Akim Demaille <akim@epita.fr>
17416 * src/getargs.c (version): Give the name of the authors, and use a
17417 translator friendly scheme for the bgr
17420 2002-02-25 Akim Demaille <akim@epita.fr>
17422 * src/output.c (header_output): Remove, now handled completely via
17425 2002-02-25 Akim Demaille <akim@epita.fr>
17427 * m4/m4.m4: New, from CVS Autoconf.
17428 * configure.in: Invoke it.
17429 * src/output.c (output_skeleton): Use its result instead of the
17432 2002-02-25 Akim Demaille <akim@epita.fr>
17434 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
17436 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
17437 * src/output.c (output_skeleton): Use mkstemp to create a real
17439 Move the filling of `skeleton' and its muscle to...
17441 (output): Move the definition of the prologue muscle to...
17443 * src/system.h (DEFAULT_TMPDIR): New.
17445 2002-02-14 Paul Eggert <eggert@twinsun.com>
17447 Remove the support for C++ namespace cleanliness; it was
17448 causing more problems than it was curing, since it didn't work
17449 properly on some nonstandard C++ compilers. This can wait
17450 for a proper C++ parser.
17452 * NEWS: Document this.
17453 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
17454 of C++, as it's treated like C now.
17455 * src/bison.simple (YYSTD): Remove.
17456 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
17457 Treat C++ just like Standard C instead of trying to support
17458 namespace cleanliness.
17460 2002-02-14 Akim Demaille <akim@epita.fr>
17462 * tests/regression.at (else): Adjust to Andreas' change.
17464 2002-02-14 Akim Demaille <akim@epita.fr>
17466 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
17468 2002-02-13 Andreas Schwab <schwab@suse.de>
17470 * src/output.c (output_rule_data): Don't output NULL, it might
17471 not be defined yet.
17473 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
17475 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
17476 (Copyright notice): Update.
17478 2002-02-11 Akim Demaille <akim@epita.fr>
17480 * tests/regression.at (%nonassoc and eof): Don't include
17481 nonportable headers.
17483 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
17485 * data/bison.c++: Correct error recovery. Make the user able to
17486 initialize the starting location.
17488 2002-02-07 Akim Demaille <akim@epita.fr>
17490 * tests/input.at: New.
17492 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17494 * data/bison.c++: Replace some direct m4 expansions by constants. Be
17495 more consistent when naming methods and variables. Put preprocessor
17496 directives around tables only needed for debugging.
17498 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17500 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
17502 (yy::b4_name::parse): Use print_.
17504 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17506 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
17508 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17510 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
17512 (yy::b4_name::parse): Build verbose error messages, and use error_.
17514 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17516 * data/bison.c++: Fix m4 quoting in comments.
17518 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17520 * data/bison.c++: Adjust the parser code. Fix some muscles that were
17521 not expanded by m4.
17523 2002-02-05 Akim Demaille <akim@epita.fr>
17525 * data/bison.c++: Adjust to the M4 back end.
17526 More is certainly needed.
17528 2002-02-05 Akim Demaille <akim@epita.fr>
17530 Give a try to M4 as a back end.
17532 * lib/readpipe.c: New, from wdiff.
17533 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
17535 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
17536 specific values. Now it is m4 that performs the lookup.
17537 * src/parse-skel.y: Remove.
17538 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
17539 * src/output.c (actions_output, guards_output)
17540 (token_definitions_output): No longer keeps track of the output
17541 line number, hence remove the second argument.
17542 (guards_output): Check against the guard member of a rule, not the
17545 (output_skeleton): Don't look for the skeleton location, let m4 do
17547 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
17549 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
17550 (prepare): Given that for the time being changesyntax is not
17551 usable in M4, rename the muscles using `-' to `_'.
17552 Define `defines_flag', `output_parser_name' and `output_header_name'.
17553 * src/output.h (actions_output, guards_output)
17554 (token_definitions_output): Adjust prototypes.
17555 * src/scan-skel.l: Instead of scanning the skeletons, it now
17556 processes the output of m4: `__oline__' and `#output'.
17557 * data/bison.simple: Adjust to be used by M4(sugar).
17558 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
17560 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
17561 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
17562 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
17563 shamelessly stolen from CVS Autoconf.
17565 2002-02-05 Akim Demaille <akim@epita.fr>
17567 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
17568 * configure.in: Check for the declarations of free and malloc.
17569 * src/muscle_tab.c: Adjust.
17571 2002-02-05 Akim Demaille <akim@epita.fr>
17573 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
17574 which have no values.
17576 2002-02-05 Akim Demaille <akim@epita.fr>
17578 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
17581 2002-01-29 Paul Eggert <eggert@twinsun.com>
17583 * src/bison.simple (YYSIZE_T): Do not define merely because
17584 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
17585 On some platforms, <alloca.h> does not declare YYSTD (size_t).
17587 2002-01-27 Akim Demaille <akim@epita.fr>
17589 Fix `%nonassoc and eof'.
17591 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
17592 which were not properly copied! Replace
17593 memcpy (res->errs, src->errs, src->nerrs);
17595 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
17597 * tests/regression.at (%nonassoc and eof): Adjust to newest
17598 Autotest: `.' is not in the PATH.
17600 2002-01-27 Akim Demaille <akim@epita.fr>
17602 * tests/sets.at (AT_EXTRACT_SETS): New.
17603 (Nullable): Use it.
17606 2002-01-26 Akim Demaille <akim@epita.fr>
17608 * tests/actions.at, tests/calc.at, tests/headers.at,
17609 * tests/torture.at: Adjust to the newest Autotest which no longer
17610 forces `.' in the PATH.
17612 2002-01-25 Akim Demaille <akim@epita.fr>
17614 * tests/regression.at (%nonassoc and eof): New.
17615 Suggested by Robert Anisko.
17617 2002-01-24 Akim Demaille <akim@epita.fr>
17619 Bison dumps core when trying to complain about broken input files.
17620 Reported by Cris van Pelt.
17622 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
17623 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
17625 (Invalid inputs): Strengthen: exercise parse_percent_token.
17627 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
17629 * src/Makefile.am: Add bison.c++.
17630 * src/bison.c++: New skeleton.
17632 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
17636 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
17638 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
17640 2002-01-20 Marc Autret <marc@gnu.org>
17642 * src/files.c (compute_output_file_names): Fix
17644 2002-01-20 Marc Autret <marc@gnu.org>
17646 * tests/output.at: New test.
17647 * src/files.c (compute_base_names): Don't map extensions when
17648 the YACC flag is set, use defaults.
17649 Reported by Evgeny Stambulchik.
17651 2002-01-20 Marc Autret <marc@gnu.org>
17653 * src/system.h: Need to define __attribute__ away for non-GCC
17654 compilers as well (i.e., the vendor C compiler).
17655 Suggested by Albert Chin-A-Young.
17657 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
17659 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
17660 canonical definition.
17661 * src/system.h: Use the canonical definition for PARAMS (avoids
17662 a conflict with the macro from lib/hash.h).
17664 2002-01-11 Akim Demaille <akim@epita.fr>
17666 * configure.in: Use AC_FUNC_STRNLEN.
17667 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
17669 2002-01-09 Akim Demaille <akim@epita.fr>
17671 * src/files.c, src/files.h (output_infix): New.
17672 (tab_extension): Remove.
17673 (compute_base_names): Compute the former, drop the latter.
17674 * src/output.c (prepare): Insert the muscles `output-infix', and
17676 * src/parse-skel.y (string, string.1): New.
17677 (section.header): Use it.
17678 (section.yacc): Remove.
17679 (prefix): Remove too.
17680 * src/scan-skel.l: Adjust.
17681 * src/bison.simple, src/bison.hairy: Adjust.
17683 2002-01-09 Akim Demaille <akim@epita.fr>
17685 * configure.in (WERROR_CFLAGS): Compute it.
17686 * src/Makefile.am (CFLAGS): Pass it.
17687 * tests/atlocal.in (CFLAGS): Idem.
17688 * src/files.c: Fix a few warnings.
17689 (get_extension_index): Remove, unused.
17691 2002-01-08 Akim Demaille <akim@epita.fr>
17693 * src/getargs.c (AS_FILE_NAME): New.
17694 (getargs): Use it to convert DOSish file names.
17695 * src/files.c (base_name): Rename as full_base_name to avoid
17696 clashes with `base_name ()'.
17697 (filename_split): New.
17698 (compute_base_names): N-th rewrite, using filename_split.
17700 2002-01-08 Akim Demaille <akim@epita.fr>
17702 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
17703 New, stolen from the Fileutils 4.1.
17704 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
17705 * configure.in: Check for the presence of memrchr, and of its
17708 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
17710 * lib/hash.h (__P): Added definition for this macro.
17711 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
17712 BUILT_SOURCES, to ensure they are generated first.
17713 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
17714 %error-verbose to allow bootstrapping with bison 1.30x.
17716 2002-01-06 Akim Demaille <akim@epita.fr>
17718 * src/reader.c (parse_braces): Don't fetch the next char, the
17719 convention is to fetch on entry.
17720 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
17721 'switch' without a following semicolon.
17722 * tests/regression.at (braces parsing): New.
17724 2002-01-06 Akim Demaille <akim@epita.fr>
17726 Bison is dead wrong in its RR conflict reports.
17728 * tests/torture.at (GNU Cim Grammar): New.
17729 * src/conflicts.c (count_rr_conflicts): Fix.
17731 2002-01-06 Akim Demaille <akim@epita.fr>
17733 Creating package.m4 from configure.ac causes too many problems.
17735 * tests/Makefile.am (package.m4): Create it by hand,
17736 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
17738 2002-01-06 Akim Demaille <akim@epita.fr>
17740 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
17743 2002-01-04 Paul Eggert <eggert@twinsun.com>
17745 * doc/bison.texinfo (Debugging):
17746 Remove YYSTDERR; it's no longer defined or used.
17747 Also, s/cstdio.h/cstdio/.
17749 2002-01-03 Akim Demaille <akim@epita.fr>
17751 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
17753 2002-01-03 Akim Demaille <akim@epita.fr>
17755 * src/parse-skel.y (process_skeleton): Don't bind the parser's
17756 tracing code to --trace, wait for a better --trace option, with
17759 2002-01-03 Akim Demaille <akim@epita.fr>
17761 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
17762 The ISO C++ standard is extremely clear about it: stderr is
17763 considered a macro, not a regular symbol (see table 94 `Header
17764 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
17765 Therefore std:: does not apply to it. It still does with fprintf.
17766 Also, s/cstdio.h/cstdio/.
17768 2002-01-03 Akim Demaille <akim@epita.fr>
17770 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
17771 for non system headers.
17773 2002-01-02 Akim Demaille <akim@epita.fr>
17775 Equip the skeleton chain with location tracking, runtime trace,
17776 pure parser and scanner.
17778 * src/parse-skel.y: Request a pure parser, locations, and prefix
17780 (%union): Having several members with the same type does not help
17781 type mismatches, simplify.
17782 (YYPRINT, yyprint): New.
17783 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
17784 (skel_error): this.
17786 * src/scan-skel.l: Adjust to these changes.
17787 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
17788 (LOCATION_PRINT, skel_control_t): New.
17790 2001-12-30 Akim Demaille <akim@epita.fr>
17792 * src/parse-skel.y: Get rid of the shift/reduce conflict:
17793 replace `gb' with BLANKS.
17794 * src/scan-skel.l: Adjust.
17796 2001-12-30 Akim Demaille <akim@epita.fr>
17798 * src/system.h: We don't need nor want bcopy.
17799 Throw away MS-DOS crap: we don't need getpid.
17800 * configure.in: We don't need strndup. It was even causing
17801 problems: because Flex includes the headers *before* us,
17802 _GNU_SOURCE is not defined by config.h, and therefore strndup was
17804 * lib/xstrndup.c: New.
17805 * src/scan-skel.l: Use it.
17806 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
17807 * src/parse-skel.y: Use %directives instead of #defines.
17809 2001-12-30 Akim Demaille <akim@epita.fr>
17811 * src/skeleton.h: New.
17812 * src/output.c (output_parser, output_master_parser): Remove, dead
17814 * src/output.h (get_lines_number, actions_output, guards_output)
17815 (token_definitions_output): Prototype them.
17816 * src/parse-skel.y: Add the license notice.
17817 Include output.h and skeleton.h.
17818 (process_skeleton): Returns void, and takes a single parameter.
17819 * src/scan-skel.l: Add the license notice.
17820 Include skeleton.h.
17821 Don't use %option yylineno: it seems that then Flex imagines
17822 REJECT has been used, and therefore it won't reallocate its
17823 buffers (which makes no other sense to me than a bug). It results
17824 in warnings for `unused: yy_flex_realloc'.
17826 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
17828 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17829 (MUSCLE_INSERT_PREFIX): ...to there.
17830 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17831 (MUSCLE_INSERT_PREFIX): Move from here...
17833 * src/bison.hairy: Add a section directive. Put braces around muscle
17834 names. This parser skeleton is still broken, but Bison should not
17835 choke on a bad muscle 'syntax'.
17836 * src/bison.simple: Add a section directive. Put braces around muscle
17839 * src/files.h (strsuffix, stringappend): Add declarations.
17840 (tab_extension): Add declaration.
17841 (short_base_name): Add declaration.
17843 * src/files.c (strsuffix, stringappend): No longer static. These
17844 functions are used in the skeleton parser.
17845 (tab_extension): New.
17846 (compute_base_names): Use the computations done in this function
17847 to guess if the generated parsers should have '.tab' in their
17849 (short_base_name): No longer static.
17851 * src/output.c (output_skeleton): New.
17852 (output): Disable call to output_master_parser, and give a try to
17853 a new skeleton handling system.
17854 (guards_output, actions_output): No longer static.
17855 (token_definitions_output, get_lines_number): No longer static.
17857 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
17859 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
17862 * src/parse-skel.y: New file.
17863 * src/scan-skel.l: New file.
17865 2001-12-29 Akim Demaille <akim@epita.fr>
17867 %name-prefix is broken.
17869 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
17870 Adjust all dependencies.
17871 * tests/headers.at (export YYLTYPE): Strengthen this test: use
17874 Renaming yylval but not yylloc is not consistent. Now we do.
17876 * src/bison.simple: Prefix yylloc if used.
17877 * doc/bison.texinfo (Decl Summary): Document that.
17879 2001-12-29 Akim Demaille <akim@epita.fr>
17881 * doc/bison.texinfo: Promote `%long-directive' over
17883 Remove all references to fixed-output-files, yacc is enough.
17885 2001-12-29 Akim Demaille <akim@epita.fr>
17887 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
17888 user prologue. These are defaults.
17889 * tests/actions.at (Mid-rule actions): Make sure the user can
17890 define YYDEBUG and YYERROR_VERBOSE.
17892 2001-12-29 Akim Demaille <akim@epita.fr>
17894 * src/output.c (header_output): Don't forget to export YYLTYPE and
17896 * tests/headers.at (export YYLTYPE): New, make sure it does.
17897 * tests/regression.at (%union and --defines, Invalid CPP headers):
17899 * tests/headers.at: here.
17901 2001-12-29 Akim Demaille <akim@epita.fr>
17903 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
17905 2001-12-29 Akim Demaille <akim@epita.fr>
17907 * tests/actions.at (Mid-rule actions): Output on a single line
17908 instead of several.
17910 2001-12-29 Akim Demaille <akim@epita.fr>
17912 * doc/bison.texinfo: Formatting changes.
17914 2001-12-29 Akim Demaille <akim@epita.fr>
17916 Don't store the token defs in a muscle, just be ready to output it
17917 on command. Now possible via `symbols'. Fixes a memory leak.
17919 * src/output.c (token_definitions_output): New.
17920 (output_parser, header_output): Use it.
17921 * src/reader.c (symbols_save): Remove.
17923 2001-12-29 Akim Demaille <akim@epita.fr>
17925 * src/bison.simple: Do not provide a default for YYSTYPE and
17926 YYLTYPE before the user's prologue. Otherwise it's hardly... a
17929 2001-12-29 Akim Demaille <akim@epita.fr>
17931 Mid-rule actions are simply... ignored!
17933 * src/reader.c (readgram): Be sure to attach mid-rule actions to
17934 the empty-rule associated to the dummy symbol, not to the host
17936 * tests/actions.at (Mid-rule actions): New.
17938 2001-12-29 Akim Demaille <akim@epita.fr>
17942 * src/reader.c (reader): Free grammar.
17944 2001-12-29 Akim Demaille <akim@epita.fr>
17948 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
17949 since it allocates it for each state, although only one is needed.
17950 (allocate_storage): Do it here.
17952 2001-12-29 Akim Demaille <akim@epita.fr>
17954 * src/options.h, src/options.c (create_long_option_table): Rename
17956 (long_option_table_new): this, with a clearer prototype.
17957 (percent_table): Remove, unused,
17958 * src/getargs.c (getargs): Adjust.
17960 2001-12-29 Akim Demaille <akim@epita.fr>
17962 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
17963 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
17966 2001-12-29 Akim Demaille <akim@epita.fr>
17968 * src/lalr.c (build_relations): Rename `states' as `states1'.
17969 Sorry, I don't understand exactly what it is, no better name...
17971 2001-12-29 Akim Demaille <akim@epita.fr>
17973 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
17974 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
17975 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
17978 2001-12-29 Akim Demaille <akim@epita.fr>
17980 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
17983 2001-12-29 Akim Demaille <akim@epita.fr>
17985 * src/reader.c, src/reader.h (user_toknums): Remove.
17986 Adjust all users to use symbols[i]->user_token_number.
17988 2001-12-29 Akim Demaille <akim@epita.fr>
17990 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
17991 Adjust all users to use symbols[i]->prec or ->assoc.
17993 2001-12-29 Akim Demaille <akim@epita.fr>
17995 * src/reader.c, src/reader.h (tags): Remove.
17996 Adjust all users to use symbols[i]->tag.
17998 2001-12-29 Akim Demaille <akim@epita.fr>
18000 * src/gram.h, src/gram.c (symbols): New, similar to state_table
18002 * src/reader.c (packsymbols): Fill this table.
18004 * src/conflicts.c (resolve_sr_conflict): Adjust.
18005 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
18007 Use symbols[i]->tag instead of tags[i].
18009 2001-12-29 Akim Demaille <akim@epita.fr>
18011 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
18012 In addition, put a comment in there, to replace...
18013 * tests/regression.at (%union and C comments): Remove.
18015 2001-12-29 Akim Demaille <akim@epita.fr>
18017 * tests/regression.at (Web2c Actions): Blindly move the actual
18018 output as expected output. The contents *seem* right to me, but I
18019 can't pretend reading perfectly parser tables... Nonetheless, all
18020 the other tests pass correctly, the table look OK, even though the
18021 presence of `$axiom' is to be noted: AFAICS it is useless (but
18024 2001-12-29 Akim Demaille <akim@epita.fr>
18026 * src/reader.c (readgram): Don't add the rule 0 if there were no
18027 rules read. In other words, add it _after_ having performed
18028 grammar sanity checks.
18029 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
18031 2001-12-29 Akim Demaille <akim@epita.fr>
18033 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
18034 visible, and some states have now a different number.
18036 2001-12-29 Akim Demaille <akim@epita.fr>
18038 * src/reader.c (readgram): Bind the initial rule's lineno to that
18040 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
18041 (Solved SR Conflicts): Adjust rule 0's line number.
18043 2001-12-29 Akim Demaille <akim@epita.fr>
18045 Fix the `GAWK Grammar' failure.
18047 * src/LR0.c (final_state): Initialize to -1 so that we do compute
18048 the reductions of the first state which was mistakenly confused
18049 with the final state because precisely final_state was initialized
18051 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
18052 now noticed by Bison.
18053 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
18054 have a reduction on $default.
18056 2001-12-29 Akim Demaille <akim@epita.fr>
18058 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
18060 * src/closure.c (print_closure): Likewise.
18061 * src/derives.c (print_derives): Likewise.
18062 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
18065 2001-12-29 Akim Demaille <akim@epita.fr>
18067 * src/lalr.c (lookaheads_print): New.
18068 (lalr): Call it when --trace-flag.
18069 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
18072 2001-12-29 Akim Demaille <akim@epita.fr>
18074 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
18075 when walking through ritem, even via rule->rhs.
18076 * src/reduce.c (dump_grammar, useful_production, reduce_output)
18077 (useful_production, useless_nonterminals): Likewise.
18078 (reduce_grammar_tables): Likewise, plus update nritems.
18079 * src/nullable.c (set_nullable): Likewise.
18080 * src/lalr.c (build_relations): Likewise.
18081 * tests/sets.at (Nullable): Adjust.
18082 Fortunately, now, the $axiom is no longer nullable.
18084 2001-12-29 Akim Demaille <akim@epita.fr>
18086 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
18088 * src/gram.c (ritem_longest_rhs): Likewise.
18089 * src/reduce.c (nonterminals_reduce): Likewise.
18090 * src/print_graph.c (print_graph): Likewise.
18091 * src/output.c (output_rule_data): Likewise.
18092 * src/nullable.c (set_nullable): Likewise.
18094 2001-12-29 Akim Demaille <akim@epita.fr>
18096 * src/output.c: Comment changes.
18098 2001-12-27 Paul Eggert <eggert@twinsun.com>
18100 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
18101 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
18102 Sparc, as they were causing more porting problems than the
18103 (minor) performance improvement was worth.
18105 Also, catch up with 1.31's YYSTD.
18107 2001-12-27 Akim Demaille <akim@epita.fr>
18109 * src/output.c (output_gram): Rely on nritems, not the
18110 0-sentinel. See below.
18111 Use -1 as separator, not 0.
18112 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
18113 Rely on -1 as separator in yyrhs, instead of 0.
18114 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
18115 twice `Now at end of input', therefore there are two lines less to
18118 2001-12-27 Akim Demaille <akim@epita.fr>
18120 * tests/regression.at (Unresolved SR Conflicts):
18121 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
18124 2001-12-27 Akim Demaille <akim@epita.fr>
18126 * src/LR0.c (new_state): Recognize the final state by the fact it
18127 is reached by eoftoken.
18128 (insert_start_shifting_state, insert_eof_shifting_state)
18129 (insert_accepting_state, augment_automaton): Remove, since now
18130 these states are automatically computed from the initial state.
18131 (generate_states): Adjust.
18132 * src/print.c: When reporting a rule number to the user, substract
18133 1, so that the axiom rule is rule 0, and the first user rule is 1.
18134 * src/reduce.c: Likewise.
18135 * src/print_graph.c (print_core): For the time being, just as for
18136 the report, depend upon --trace-flags to dump the full set of
18138 * src/reader.c (readgram): Once the grammar read, insert the rule
18139 0: `$axiom: START-SYMBOL $'.
18140 * tests/set.at: Adjust: rule 0 is now displayed, and since the
18141 number of the states has changed (the final state is no longer
18142 necessarily the last), catch up.
18144 2001-12-27 Akim Demaille <akim@epita.fr>
18146 Try to make the use of the eoftoken valid. Given that its value
18147 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
18148 is used instead of > 0 where appropriate, (ii), depend upon nritems
18149 instead of the 0-sentinel.
18151 * src/gram.h, src/gram.c (nritems): New.
18152 Expected to be duplication of nitems, but for the time being...
18153 * src/reader.c (packgram): Assert nritems and nitems are equal.
18154 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
18155 * src/closure.c (print_closure, print_fderives): Likewise.
18156 * src/gram.c (ritem_print): Likewise.
18157 * src/print.c (print_core, print_grammar): Likewise.
18158 * src/print_graph.c: Likewise.
18160 2001-12-27 Akim Demaille <akim@epita.fr>
18162 * src/main.c (main): If there are complains after grammar
18163 reductions, then output the report anyway if requested, then die.
18164 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
18165 * src/reader.c (eoftoken): New.
18166 (parse_token_decl): If the token being defined has value `0', it
18168 (packsymbols): No longer hack `tags' to insert `$' by hand.
18169 Be sure to preserve the value of the eoftoken.
18170 (reader): Make sure eoftoken is defined.
18171 Initialize nsyms to 0: now eoftoken is created just like the others.
18172 * src/print.c (print_grammar): Don't special case the eof token.
18173 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
18174 lie anyway, albeit pleasant.
18175 * tests/calc.at: Exercise error messages with eoftoken.
18176 Change the grammar so that empty input is invalid.
18177 Adjust expectations.
18178 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
18180 2001-12-27 Akim Demaille <akim@epita.fr>
18182 * configure.in: Check the protos of strchr ans strspn.
18183 Replace strchr if needed.
18184 * src/system.h: Provide the protos of strchr, strspn and memchr if
18186 * lib/strchr.c: New.
18187 * src/reader.c (symbols_save): Use strchr.
18189 2001-12-27 Akim Demaille <akim@epita.fr>
18191 * src/print.c, src/print_graph.c (escape): New.
18192 Use it to quote the TAGS outputs.
18193 * src/print_graph.c (print_state): Now errors are in red, and
18194 reductions in green.
18195 Prefer high to wide: output the state number on a line of its own.
18197 2001-12-27 Akim Demaille <akim@epita.fr>
18199 * src/state.h, src/state.c (reductions_new): New.
18200 * src/LR0.c (set_state_table): Let all the states have a
18201 `reductions', even if reduced to 0.
18202 (save_reductions): Adjust.
18203 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
18204 * src/print.c (print_reductions, print_actions): Adjust.
18205 * src/output.c (action_row): Adjust.
18207 2001-12-27 Akim Demaille <akim@epita.fr>
18209 * src/state.h, src/state.c (errs_new, errs_dup): New.
18210 * src/LR0.c (set_state_table): Let all the states have an errs,
18211 even if reduced to 0.
18212 * src/print.c (print_errs, print_reductions): Adjust.
18213 * src/output.c (output_actions, action_row): Adjust.
18214 * src/conflicts.c (resolve_sr_conflict): Adjust.
18216 2001-12-27 Akim Demaille <akim@epita.fr>
18218 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
18220 2001-12-27 Akim Demaille <akim@epita.fr>
18222 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
18223 * src/print.c: here.
18224 (lookaheadset, shiftset): New, used as additional storage by
18226 (print_results): Adjust.
18227 (print_shifts, print_gotos, print_errs): New, extracted from...
18228 (print_actions): here.
18229 * src/print_graph.c (print_actions): Remove dead code.
18231 2001-12-27 Akim Demaille <akim@epita.fr>
18233 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
18236 2001-12-27 Akim Demaille <akim@epita.fr>
18238 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
18239 (build_relations): Adjust.
18241 2001-12-27 Akim Demaille <akim@epita.fr>
18243 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
18246 2001-12-27 Akim Demaille <akim@epita.fr>
18248 * src/reader.c (packgram): Catch nitems overflows.
18250 2001-12-27 Akim Demaille <akim@epita.fr>
18252 * src/files.c, src/files.h (guard_obstack): Remove.
18253 * src/output.c (output): Adjust.
18254 * src/reader.c (parse_braces): New, factoring...
18255 (copy_action, copy_guard): these two which are renamed as...
18256 (parse_action, parse_guard): these.
18257 As a voluntary consequence, using braces around guards is now
18260 2001-12-27 Akim Demaille <akim@epita.fr>
18262 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
18263 * src/reader.c (symbol_list): `guard' and `guard_line' are new
18265 (symbol_list_new): Adjust.
18266 (copy_action): action_line is the first line, not the last.
18267 (copy_guard): Just as for actions, store the `action' only, not
18268 the switch/case/break flesh.
18269 Don't parse the user action that might follow the guard, let...
18270 (readgram): do it, i.e., now, there can be an action after a
18272 In other words the guard is just explicitly optional.
18273 (packgram): Adjust.
18274 * src/output.c (guards_output): New.
18275 (output_parser): Call it when needed.
18276 (output): Also free the guard and attrs obstacks.
18277 * src/files.c, src/files.h (obstack_save): Remove.
18278 (output_files): Remove.
18279 As a result, if one needs the former `.act' file, using an
18280 appropriate skeleton which requires actions and guards is now
18282 * src/main.c (main): Adjust.
18283 * tests/semantic.at: New.
18284 * tests/regression.at: Use `input.y' as input file name.
18285 Avoid 8+3 problems by requiring input.c when the test needs the
18288 2001-12-27 Akim Demaille <akim@epita.fr>
18290 * src/reader.c (symbol_list_new): Be sure to initialize all the
18293 2001-12-27 Akim Demaille <akim@epita.fr>
18295 All the hacks using a final pseudo state are now useless.
18297 * src/LR0.c (set_state_table): state_table holds exactly nstates.
18298 * src/lalr.c (nLA): New.
18299 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
18300 instead of lookaheadsp from the pseudo state (nstate + 1).
18302 2001-12-27 Akim Demaille <akim@epita.fr>
18304 * src/output.c (action_row, token_actions): Use a state_t instead
18305 of a integer, and nlookaheads instead of the following state's
18308 2001-12-27 Akim Demaille <akim@epita.fr>
18310 * src/conflicts.c (log_resolution, flush_shift)
18311 (resolve_sr_conflict, set_conflicts, solve_conflicts)
18312 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
18313 (conflicts_print, print_reductions): Use a state_t instead of an
18314 integer when referring to a state.
18315 As much as possible, depend upon nlookaheads, instead of the
18316 `lookaheadsp' member of the following state (since lookaheads of
18317 successive states are successive, the difference between state n + 1
18318 and n served as the number of lookaheads for state n).
18319 * src/lalr.c (add_lookback_edge): Likewise.
18320 * src/print.c (print_core, print_actions, print_state)
18321 (print_results): Likewise.
18322 * src/print_graph.c (print_core, print_actions, print_state)
18323 (print_graph): Likewise.
18324 * src/conflicts.h: Adjust.
18326 2001-12-27 Akim Demaille <akim@epita.fr>
18328 * src/bison.hairy: Formatting/comment changes.
18330 Remove `register' indications.
18331 Add plenty of `static'.
18333 2001-12-27 Akim Demaille <akim@epita.fr>
18335 * src/output.c (prepare): Drop the muscle `ntbase' which
18336 duplicates ntokens.
18337 * src/bison.simple: Formatting/comment changes.
18338 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
18339 is an undocumented synonym.
18341 2001-12-22 Akim Demaille <akim@epita.fr>
18343 * src/output.c (output_table_data): Change the prototype to use
18344 `int' for array ranges: some invocations do pass an int, not a
18346 Reported by Wayne Green.
18348 2001-12-22 Akim Demaille <akim@epita.fr>
18350 Some actions of web2c.y are improperly triggered.
18351 Reported by Mike Castle.
18353 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
18354 * tests/regression.at (Web2c): Rename as...
18355 (Web2c Report): this.
18356 (Web2c Actions): New.
18358 2001-12-22 Akim Demaille <akim@epita.fr>
18360 Reductions in web2c.y are improperly reported.
18361 Reported by Mike Castle.
18363 * src/conflicts.c (print_reductions): Fix.
18364 * tests/regression.at (Web2c): New.
18366 2001-12-18 Akim Demaille <akim@epita.fr>
18368 Some host fail on `assert (!"foo")', which expands to
18369 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
18370 Reported by Nelson Beebee.
18372 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
18373 `#define it_succeeded 0' and `assert (it_succeeded)'.
18375 2001-12-17 Marc Autret <autret_m@epita.fr>
18377 * src/bison.simple: Don't hard code the skeleton line and filename.
18378 * src/output.c (output_parser): Rename 'line' as 'output_line'.
18379 New line counter 'skeleton_line' (skeleton-line muscle).
18381 2001-12-17 Paul Eggert <eggert@twinsun.com>
18383 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
18384 YYDEBUG must be defined to a nonzero value.
18386 * src/bison.simple (yytname): Do not assume that the user defines
18387 YYDEBUG to a properly parenthesized expression.
18389 2001-12-17 Akim Demaille <akim@epita.fr>
18391 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
18392 nlookaheads is a new member.
18394 * src/lalr.h (nlookaheads): Remove this orphan declaration.
18395 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
18398 2001-12-17 Akim Demaille <akim@epita.fr>
18400 * src/files.h, src/files.c (open_files, close_files): Remove.
18401 * src/main.c (main): Don't open/close files, nor invoke lex_free,
18403 * src/reader.c (reader): Do it.
18405 2001-12-17 Akim Demaille <akim@epita.fr>
18407 * src/conflicts.c (print_reductions): Formatting changes.
18409 2001-12-17 Akim Demaille <akim@epita.fr>
18411 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
18412 (flush_reduce): New.
18413 (resolve_sr_conflict): Adjust.
18415 2001-12-17 Akim Demaille <akim@epita.fr>
18417 * src/output.c (output_obstack): Be static and rename as...
18418 (format_obstack): this, to avoid any confusion with files.c's
18420 * src/reader.h (muscle_obstack): Move to...
18421 * src/output.h: here, since it's defined in output.c.
18423 2001-12-17 Akim Demaille <akim@epita.fr>
18425 * src/output.c (action_row, save_column, default_goto)
18426 (sort_actions, matching_state, pack_vector): Better variable
18429 2001-12-17 Akim Demaille <akim@epita.fr>
18431 * src/output.c: Various formatting changes.
18433 2001-12-17 Akim Demaille <akim@epita.fr>
18435 * src/files.c (output_files): Free the output_obstack.
18436 * src/main.c (main): Call print and print_graph conditionally.
18437 * src/print.c (print): Work unconditionally.
18438 * src/print_graph.c (print_graph): Work unconditionally.
18439 * src/conflicts.c (log_resolution): Output only if verbose_flag.
18441 2001-12-16 Marc Autret <autret_m@epita.fr>
18443 * src/output.c (actions_output): Fix. When we use %no-lines,
18444 there is one less line per action.
18446 2001-12-16 Marc Autret <autret_m@epita.fr>
18448 * src/bison.simple: Remove a useless #line directive.
18449 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
18450 * src/output.c (get_lines_number): New.
18451 (output_parser): Adjust, now takes care about the lines of a
18453 Fix line numbering.
18454 (actions_output): Computes the number of lines taken by actions.
18455 (output_master_parser): Insert new skeleton which is the name of
18456 the output parser file name.
18458 2001-12-15 Marc Autret <autret_m@epita.fr>
18460 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
18462 2001-12-15 Marc Autret <autret_m@epita.fr>
18464 * src/output.c (output_gram): Keep track of the hairy one.
18466 2001-12-15 Akim Demaille <akim@epita.fr>
18468 Make `make distcheck' work.
18470 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
18471 system.h which uses libgettext.h.
18473 2001-12-15 Akim Demaille <akim@epita.fr>
18475 * src/nullable.c (set_nullable): Useless rules must be skipped,
18476 otherwise, since we range over their symbols, we might look at a
18477 nonterminal which no longer ``exists'', i.e., it is not counted in
18478 `nvars', hence we overflow our arrays.
18480 2001-12-15 Akim Demaille <akim@epita.fr>
18482 The header can also be produced directly, without any obstack!
18485 * src/files.c, src/files.h (defines_obstack): Remove.
18486 (compute_header_macro): Global.
18487 (defines_obstack_save): Remove.
18488 * src/reader.c (parse_union_decl): No longer output to
18489 defines_obstack: its content can be found in the `stype' muscle
18491 (output_token_translations): Merge into...
18492 (symbols_output): this.
18494 (symbols_save): this.
18496 * src/output.c (header_output): New.
18499 2001-12-15 Akim Demaille <akim@epita.fr>
18501 * src/reader.c (parse_union_decl): Instead of handling two obstack
18502 simultaneously, use one to define the `stype' muscle, and use the
18503 value of the latter to fill defines_obstack.
18504 (copy_comment): Remove.
18505 (copy_comment2): Work for a single obstack.
18507 (copy_comment): this.
18509 2001-12-15 Akim Demaille <akim@epita.fr>
18511 * src/lex.c, src/lex.h (xgetc): No longer static.
18512 * src/reader.c (parse_union_decl): Revamp.
18514 2001-12-15 Akim Demaille <akim@epita.fr>
18516 Still making progress in separating Bison into (i) input, (ii)
18517 process, (iii) output: now we can directly output the parser file
18518 without using table_obstack at all.
18520 * src/files.c, src/files.h (table_obstack): Bye bye.
18521 (parser_file_name): New.
18522 * src/files.c (compute_output_file_names): Compute it.
18523 * src/output.c (actions_output, output_parser)
18524 (output_master_parser): To a file instead of an obstack.
18526 2001-12-15 Akim Demaille <akim@epita.fr>
18528 Attach actions to rules, instead of pre-outputting them to
18531 * src/gram.h (rule_t): action and action_line are new members.
18532 * src/reader.c (symbol_list): Likewise.
18533 (copy_action): Save the actions within the rule.
18534 (packgram): Save them in rule_table.
18535 * src/output.c (actions_output): New.
18536 (output_parser): Use it on `%%actions'.
18537 (output_rule_data): Don't free rule_table.
18539 (prepare): Don't save the `action' muscle.
18540 * src/bison.simple: s/%%action/%%actions/.
18542 2001-12-15 Akim Demaille <akim@epita.fr>
18544 * src/reader.c (copy_action): When --yacc, don't append a `;'
18545 to the user action: let it fail if lacking.
18546 Suggested by Arnold Robbins and Tom Tromey.
18548 2001-12-14 Akim Demaille <akim@epita.fr>
18550 * src/lex.c (literalchar): Simply return the char you decoded, non
18551 longer mess around with obstacks and int pointers.
18552 Adjust all callers.
18554 2001-12-14 Akim Demaille <akim@epita.fr>
18556 * src/lex.c (literalchar): Don't escape the special characters,
18557 just decode them, and keep them as char (before, eol was output as
18558 the 2 char string `\n' etc.).
18559 * src/output.c (output_rule_data): Use quotearg to output the
18562 2001-12-13 Paul Eggert <eggert@twinsun.com>
18564 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
18565 Do not infringe on the global user namespace when using C++.
18566 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
18567 All uses of `fprintf' and `stderr' changed.
18569 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
18571 2001-12-13 Akim Demaille <akim@epita.fr>
18573 The computation of nullable is broken: it doesn't handle empty
18576 * tests/torture.at (GNU AWK Grammar): New.
18577 * tests/sets.at (Nullable): New.
18578 * src/nullable.c (set_nullable): Instead of blindly looping over
18579 `ritems', loop over the rules, and then over their rhs's.
18581 Work around Autotest bugs.
18583 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
18584 frame, because Autotest understand lines starting with a `+' as
18585 traces from the shell. Then, they are not processed properly.
18586 Admittedly an Autotest bug, but we don't have time to wait for
18587 Autotest to catch up.
18588 * tests/regression.at (Broken Closure): Adjust to the new table
18591 * tests/sets.at: here.
18593 2001-12-13 Akim Demaille <akim@epita.fr>
18595 * src/closure.c (closure): Use nrules instead of playing tricks
18596 with BITS_PER_WORD.
18598 2001-12-13 Akim Demaille <akim@epita.fr>
18600 * src/print.c (print_actions): Output the handling of `$' as the
18601 traces do: shifting the token EOF. Before EOF was treated as a
18603 * tests/regression.at: Adjust some tests.
18604 * src/print_graph.c (print_core): Complete the set of items via
18605 closure. The next-to-final and final states are still unsatisfying,
18606 but that's to be addressed elsewhere.
18607 No longer output the rule numbers, but do output the state number.
18608 A single loop for the shifts + gotos is enough, but picked a
18609 distinct color for each.
18610 (print_graph): Initialize and finalize closure.
18612 2001-12-13 Akim Demaille <akim@epita.fr>
18614 * src/reader.c (readgram): Remove dead code, an strip useless
18616 (get_type): Remove, unused.
18618 2001-12-12 Akim Demaille <akim@epita.fr>
18620 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
18621 on that of lib/error.c.
18623 2001-12-12 Akim Demaille <akim@epita.fr>
18625 Some hosts don't like `/' in includes.
18627 * src/system.h: Include libgettext.h without qualifying the path.
18628 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
18631 2001-12-11 Marc Autret <autret_m@epita.fr>
18633 * src/output.c (output_parser): Remove useless muscle.
18635 2001-12-11 Marc Autret <autret_m@epita.fr>
18637 * src/bison.simple: Remove #line just before %%epilogue. It
18638 is now handled in ...
18639 * src/reader.c (read_additionnal_code): Add the output of a
18640 #line for the epilogue.
18642 2001-12-10 Marc Autret <autret_m@epita.fr>
18644 * src/reader.c (copy_definition): Re-use CPP-outed code which
18645 replace precedent remove.
18646 * src/bison.simple: Remove #line before %%prologue because
18647 %%input-line is wrong at this time.
18649 2001-12-10 Marc Autret <autret_m@epita.fr>
18651 * src/reader.c (symbols_output): Clean up.
18652 * src/output.c (output_gram, output): Clean up.
18654 2001-12-10 Akim Demaille <akim@epita.fr>
18656 * src/lalr.c (initialize_lookaheads): New. Extracted from...
18657 * src/LR0.c (set_state_table): here.
18658 * src/lalr.c (lalr): Call it.
18660 2001-12-10 Akim Demaille <akim@epita.fr>
18662 * src/state.h (shifts): Remove the `number' member: shifts are
18663 attached to state, hence no longer need to be labelled with a
18666 2001-12-10 Akim Demaille <akim@epita.fr>
18668 Now that states have a complete set of members, the linked list of
18669 shifts is useless: just fill directly the state's shifts member.
18671 * src/state.h (shifts): Remove the `next' member.
18672 * src/LR0.c (first_state, last_state): Remove.
18673 Adjust the callers.
18674 (augment_automaton): Don't look for the shifts that must be added
18675 a shift on EOF: it is those of the state we looked for! But now,
18676 since shifts are attached, it is no longer needed to looking
18677 merely by its id: its number.
18679 2001-12-10 Akim Demaille <akim@epita.fr>
18681 * src/LR0.c (augment_automaton): Better variable locality.
18682 Remove an impossible branch: if there is a state corresponding to
18683 the start symbol being shifted, then there is shift for the start
18684 symbol from the initial state.
18686 2001-12-10 Akim Demaille <akim@epita.fr>
18688 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
18689 only when appropriate: when insert_start_shifting_state' is not
18691 * tests/regression.at (Rule Line Numbers): Adjust.
18693 2001-12-10 Akim Demaille <akim@epita.fr>
18695 * src/LR0.c (augment_automaton): Now that all states have shifts,
18696 merge the two cases addition shifts to the initial state.
18698 2001-12-10 Akim Demaille <akim@epita.fr>
18700 * src/lalr.c (set_state_table): Move to...
18702 * src/lalr.c (lalr): Don't call it...
18703 * src/LR0.c (generate_states): do it.
18704 * src/LR0.h (first_state): Remove, only the table is used.
18706 2001-12-10 Akim Demaille <akim@epita.fr>
18708 * src/LR0.h (first_shift, first_reduction): Remove.
18709 * src/lalr.c: Don't use first_shift: find shifts through the
18712 2001-12-10 Akim Demaille <akim@epita.fr>
18714 * src/LR0.c: Attach shifts to states as soon as they are
18716 * src/lalr.c (set_state_table): Instead of assigning shifts to
18717 state, just assert that the mapping was properly done.
18719 2001-12-10 Akim Demaille <akim@epita.fr>
18721 * src/LR0.c (insert_start_shift): Rename as...
18722 (insert_start_shifting_state): this.
18723 (insert_eof_shifting_state, insert_accepting_state): New.
18724 (augment_automaton): Adjust.
18725 Better locality of the variables.
18726 When looking if the start_symbol is shifted from the initial
18727 state, using `while (... symbol != start_symbol ...)' sounds
18728 better than `while (... symbol < start_symbol ...)': If fail
18729 to see how the order between symbols could be relevant!
18731 2001-12-10 Akim Demaille <akim@epita.fr>
18733 * src/getargs.h: Don't declare `spec_name_prefix' and
18734 `spec_file_prefix', declared by src/files.h.
18735 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
18736 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
18737 * src/output.c (prepare): Adjust.
18738 * src/reader.c (symbols_output): Likewise.
18739 * src/vmsgetargs.c: Vaguely adjust, but who cares?
18741 2001-12-10 Akim Demaille <akim@epita.fr>
18743 * src/muscle_tab.c (muscle_init): NULL is a better default than
18746 2001-12-10 Akim Demaille <akim@epita.fr>
18748 * src/reader.c (reader): Calling symbols_output once is enough.
18750 2001-12-10 Akim Demaille <akim@epita.fr>
18752 Now that states have a complete set of members, the linked list of
18753 reductions is useless: just fill directly the state's reductions
18756 * src/state.h (struct reductions): Remove member `number' and
18758 * src/LR0.c (first_reduction, last_reduction): Remove.
18759 (save_reductions): Don't link the new reductions, store them in
18761 * src/lalr.c (set_state_table): No need to attach reductions to
18762 states, it's already done.
18763 * src/output.c (output_actions): No longer free the shifts, then
18764 the reductions, then the states: free all the states and their
18767 2001-12-10 Akim Demaille <akim@epita.fr>
18769 * src/options.c (OPTN, DRTV, BOTH): New.
18770 (option_table): Use them.
18772 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
18773 the job of system.h.
18774 * src/options.c: Don't include stdio.h and xalloc.h for the same
18777 2001-12-10 Akim Demaille <akim@epita.fr>
18779 * src/output.c (output, prepare): Make sure the values of the
18780 muscles `action' and `prologue' are 0-terminated.
18782 2001-12-10 Akim Demaille <akim@epita.fr>
18784 Clean up GCC warnings.
18786 * src/reader.c (copy_action): `buf' is not used.
18787 (parse_skel_decl): Be static.
18788 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
18789 * src/options.h (create_long_option_table): Have a real prototype.
18790 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
18791 (hash_delete_at): Return const void *.
18792 Adjust casts to preserve the const.
18794 2001-12-10 Akim Demaille <akim@epita.fr>
18796 * configure.in: Require 2.52g.
18797 M4 is not needed, but AUTOM4TE is.
18798 * m4/m4.m4: Remove.
18799 * tests/Makefile.am: Adjust.
18801 2001-12-10 Akim Demaille <akim@epita.fr>
18803 One structure for states is enough, even though theoretically
18804 there are LR(0) states and LALR(1) states.
18806 * src/lalr.h (state_t): Remove.
18807 (state_table): Be state_t **, not state_t *.
18808 * src/state.h (core, CORE_ALLOC): Rename as...
18809 (state_t, STATE_ALLOC): this.
18810 Add the LALR(1) members: shifts, reductions, errs.
18811 * src/LR0.c (state_table): Rename as...
18812 (state_hash): this, to avoid name clashes with the global
18814 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
18815 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
18817 2001-12-10 Akim Demaille <akim@epita.fr>
18819 Bison dumps core on bash.y.
18820 Reported by Pascal Bart.
18822 * src/warshall.c (bitmatrix_print): New.
18824 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
18825 j must be the outer loop.
18826 * tests/regression.at (Broken Closure): New.
18828 2001-12-05 Akim Demaille <akim@epita.fr>
18830 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
18832 Reported by Peter Hamorsky.
18834 2001-12-05 Akim Demaille <akim@epita.fr>
18836 * src/conflicts.c (err_table): Remove.
18837 (resolve_sr_conflict): Adjust.
18838 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
18840 (state_t.reductions, state_t.shifts): this.
18842 2001-12-05 Akim Demaille <akim@epita.fr>
18844 * src/reduce.c (reduce_grammar_tables): No longer disable the
18845 removal of useless rules via CPP but via `if (0)', so that the
18846 compiler still check the code is valid.
18847 For instance, it should have noticed `rline' no longer exists: use
18848 the `line' member of rule_t.
18849 * src/gram.c (dummy, rline): Remove, unused.
18851 2001-12-05 Akim Demaille <akim@epita.fr>
18853 * src/output.c (pack_vector): Use assert, not berror.
18854 * src/main.c (berror): Remove, unused.
18856 2001-12-05 Akim Demaille <akim@epita.fr>
18858 New experimental feature: if --verbose --trace output all the
18859 items of a state, not only its kernel.
18861 * src/print.c (print_core): If `trace_flag', then invoke closure
18862 before outputting the items of the state (print_core is no longer
18863 a correct name them).
18864 (print_results): Invoke new_closure/free_closure if needed.
18866 2001-12-05 Akim Demaille <akim@epita.fr>
18868 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
18869 * src/closure.c, src/closure.h (itemsetsize): Rename as...
18870 (nitemset): for consistency with the rest of the project.
18872 2001-12-05 Akim Demaille <akim@epita.fr>
18874 * src/closure.c (print_closure): Improve.
18875 (closure): Use it for printing input and output.
18877 2001-12-05 Akim Demaille <akim@epita.fr>
18879 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
18880 indexed by nonterminals.
18882 2001-12-05 Akim Demaille <akim@epita.fr>
18884 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
18886 * src/warshall.h: Remove accidental duplication of the content.
18888 2001-12-05 Akim Demaille <akim@epita.fr>
18890 * src/closure.c (set_fderives): De-obfuscate.
18892 2001-12-05 Akim Demaille <akim@epita.fr>
18894 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
18896 2001-12-05 Akim Demaille <akim@epita.fr>
18898 * src/closure.c (set_firsts): De-obfuscate.
18900 2001-12-05 Akim Demaille <akim@epita.fr>
18902 * src/output.c (action_row): De-obfuscate
18903 using the good o' techniques: arrays not pointers, variable
18904 locality, BITISSET, RESETBIT etc.
18906 2001-12-05 Akim Demaille <akim@epita.fr>
18908 Pessimize the code to simplify it: from now on, all the states
18909 have a valid SHIFTS, which NSHIFTS is possibly 0.
18911 * src/LR0.c (shifts_new): Be global and move to..
18912 * src/state.c, src/state.h: here.
18913 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
18914 * src/print_graph: Adjust.
18916 2001-12-05 Akim Demaille <akim@epita.fr>
18918 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
18919 * src/conflicts.c: Use it.
18920 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
18921 incorrectly ``simplified''.
18923 2001-12-05 Akim Demaille <akim@epita.fr>
18925 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
18926 using the good o' techniques: arrays not pointers, variable
18927 locality, BITISSET, RESETBIT etc.
18929 2001-12-05 Akim Demaille <akim@epita.fr>
18931 * src/state.h (SHIFT_SYMBOL): New.
18932 * src/conflicts.c: Use it to deobfuscate.
18934 2001-12-05 Akim Demaille <akim@epita.fr>
18936 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
18937 (print_reductions): De-obfuscate using the good o' techniques:
18938 arrays not pointers, variable locality, BITISSET.
18940 2001-12-05 Akim Demaille <akim@epita.fr>
18942 * src/conflicts.c (print_reductions): Arrays, not pointers.
18945 2001-12-05 Akim Demaille <akim@epita.fr>
18947 * src/conflicts.c (print_reductions): Pessimize, but clarify.
18949 2001-12-05 Akim Demaille <akim@epita.fr>
18951 * src/conflicts.c (print_reductions): Improve variable locality.
18953 2001-12-05 Akim Demaille <akim@epita.fr>
18955 * src/conflicts.c (print_reductions): Pessimize, but clarify.
18957 2001-12-05 Akim Demaille <akim@epita.fr>
18959 * src/conflicts.c (print_reductions): Improve variable locality.
18961 2001-12-05 Akim Demaille <akim@epita.fr>
18963 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
18964 * src/lalr.c: Use them.
18966 2001-12-05 Akim Demaille <akim@epita.fr>
18968 * src/LR0.c (augment_automaton): Formatting changes.
18969 Better variable locality.
18971 2001-12-05 Akim Demaille <akim@epita.fr>
18973 * src/lalr.c (matrix_print): New.
18974 (transpose): Use it.
18975 Use arrays instead of pointers.
18977 2001-12-05 Akim Demaille <akim@epita.fr>
18979 * src/lalr.c (maxrhs): Move to...
18980 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
18981 * src/lalr.c (build_relations): Adjust.
18983 2001-12-05 Akim Demaille <akim@epita.fr>
18985 * src/lalr.c (transpose): Free the memory allocated to the
18986 argument, as it is replaced by the results by the unique caller.
18987 (build_relations): Merely invoke transpose: it handles the memory
18989 Improve variable locality.
18990 Avoid variables used as mere abbreviations.
18991 (compute_lookaheads): Use arrays instead of pointers.
18993 2001-12-05 Akim Demaille <akim@epita.fr>
18995 * src/lalr.c (initialize_F): Improve variable locality.
18996 Avoid variables used as mere abbreviations.
18998 2001-12-05 Akim Demaille <akim@epita.fr>
19000 * src/derives.c (print_derives): Display the ruleno.
19001 * src/lalr.c (initialize_F, transpose): Better variable locality
19002 to improve readability.
19003 Avoid variables used as mere abbreviations.
19005 2001-12-05 Akim Demaille <akim@epita.fr>
19007 * src/lalr.c (traverse): Use arrays instead of pointers.
19009 2001-12-05 Akim Demaille <akim@epita.fr>
19011 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
19012 the handling of squeue.
19013 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
19015 2001-12-05 Akim Demaille <akim@epita.fr>
19017 Because useless nonterminals are now kept alive (instead of being
19018 `destroyed'), we now sometimes examine them, and store information
19019 related to them. Hence we need to know their number, and adjust
19020 memory allocations.
19022 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
19024 * src/LR0.c (allocate_itemsets): The memory allocated to
19025 `symbol_count' was used for two different purpose: once to count
19026 the number of occurrences of each symbol, and later reassigned to
19027 `shift_symbol', containing the symbol that can be shifted from a
19029 Deobfuscate, i.e., allocate, use and free `symbol_count' here
19031 (new_itemsets): Allocate `shift_symbol' here.
19032 (allocate_itemsets): symbol_count includes useless nonterminals.
19033 Make room for them.
19034 (free_storage): Use `free', not `XFREE', for pointers that cannot
19037 2001-12-05 Akim Demaille <akim@epita.fr>
19039 * src/nullable.c (set_nullable): Deobfuscate the handling of
19041 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
19043 2001-12-05 Akim Demaille <akim@epita.fr>
19045 * src/gram.c, src/gram.h (ritem_print): New.
19046 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
19047 (This useless function was defined only to work around VMS linkers
19048 that can't handle compilation units with variables only).
19049 * src/reduce.c (dump_grammar): Use it to trace the construction of
19052 2001-12-04 Paul Eggert <eggert@twinsun.com>
19054 * src/bison.simple (union yyalloc): Change member names
19055 to be the same as the stack names.
19056 (yyparse): yyptr is now union yyalloc *, not char *.
19057 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
19058 and may generate better code on some machines.
19059 (yystpcpy): Use prototype if __STDC__ is defined, not just
19060 if __cplusplus is defined.
19062 2001-11-30 Akim Demaille <akim@epita.fr>
19064 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
19065 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
19066 Gettext doesn't compile cleanly, and dies with -Werror.
19067 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
19068 Include WARNING_CFLAGS here.
19069 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
19070 before being defined.
19072 2001-11-27 Paul Eggert <eggert@twinsun.com>
19074 * lib/quotearg.h (quotearg_n, quotearg_n_style):
19075 First arg is int, not unsigned.
19076 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
19077 (SIZE_MAX, UINT_MAX): New macros.
19078 (quotearg_n_options): Abort if N is negative.
19079 Avoid overflow check on hosts where size_t is 64 bits and int
19080 is 32 bits, as overflow is impossible there.
19081 Fix off-by-one typo that caused unnecessary reallocation.
19083 2001-11-29 Paul Eggert <eggert@twinsun.com>
19085 Name space cleanup in generated parser.
19087 * doc/bison.texinfo (Bison Parser): Discuss system headers
19088 and their effect on the user name space.
19090 * src/bison.simple:
19091 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
19092 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
19093 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
19095 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
19096 on user names when possible.
19098 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
19099 Simplify test for whather <alloca.h> exists.
19101 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
19103 (<stdio.h>): Include if YYDEBUG.
19105 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
19106 ! defined (yyoverflow) && ! defined (yymemcpy).
19108 (yymemcpy, yyparse): Rename local variables as needed so that
19109 they all begin with 'yy'.
19111 (yystrlen, yystpcpy): New functions.
19113 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
19116 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
19117 instead of relying on string.h functions. Use YYSTACK_ALLOC
19118 and YYSTACK_FREE instead of malloc and free.
19120 2001-11-30 Akim Demaille <akim@epita.fr>
19122 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
19123 before their first uses.
19124 (YYBISON, YYPURE): Move to the top of the output.
19126 2001-11-30 Akim Demaille <akim@epita.fr>
19128 * tests/reduce.at (Useless Nonterminals): Fix.
19130 2001-11-30 Akim Demaille <akim@epita.fr>
19132 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
19133 if body instead of `;' to pacify GCC's warnings.
19135 2001-11-30 Akim Demaille <akim@epita.fr>
19137 Instead of mapping the LHS of unused rules to -1, keep the LHS
19138 valid, but flag the rules as invalid.
19140 * src/gram.h (rule_t): `useful' is a new member.
19141 * src/print.c (print_grammar): Adjust.
19142 * src/derives.c (set_derives): Likewise.
19143 * src/reader.c (packgram, reduce_output): Likewise.
19144 * src/reduce.c (reduce_grammar_tables): Likewise.
19145 * tests/reduce.at (Underivable Rules, Useless Rules): New.
19147 2001-11-30 Akim Demaille <akim@epita.fr>
19149 * src/reduce.c (reduce_output): Formatting changes.
19150 * src/print.c (print_results, print_grammar): Likewise.
19151 * tests/regression.at (Rule Line Numbers)
19152 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
19154 2001-11-30 Akim Demaille <akim@epita.fr>
19156 * src/reduce.c (nonterminals_reduce): Instead of throwing away
19157 useless nonterminals, move them at the end of the symbol arrays.
19158 (reduce_output): Adjust.
19159 * tests/reduce.at (Useless Nonterminals): Adjust.
19161 2001-11-30 Akim Demaille <akim@epita.fr>
19163 * src/reduce.c: Various comment/formatting changes.
19164 (nonterminals_reduce): New, extracted from...
19165 (reduce_grammar_tables): here.
19166 (reduce_grammar): Call nonterminals_reduce.
19168 2001-11-29 Paul Eggert <eggert@twinsun.com>
19170 * src/bison.simple (YYSTACK_REALLOC): Remove.
19171 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
19172 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
19174 (union yyalloc): New type.
19175 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
19176 an arbitrary restriction on hosts where size_t is wider than int.
19178 (yyparse): Don't dump core if alloca or malloc fails; instead, report
19179 a parser stack overflow. Allocate just one block of memory for all
19180 three stacks, instead of allocating three blocks; this typically is
19181 faster and reduces fragmentation.
19183 Do not limit the number of items in the stack to a value that fits
19184 in 'int', as this is an arbitrary limit on hosts with 64-bit
19185 size_t and 32-bit int.
19187 2001-11-29 Marc Autret <autret_m@epita.fr>
19189 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
19190 of defining YYERROR_VERBOSE.
19191 [AT_DATA]: $4 is now out of C declarations in the prologue.
19193 2001-11-28 Marc Autret <autret_m@epita.fr>
19195 * src/reader.c (parse_dquoted_param): New.
19196 (parse_skel_decl): Use it.
19197 * src/lex.h: Add its prototype.
19198 * src/lex.c (literalchar): Become not static.
19200 2001-11-28 Marc Autret <autret_m@epita.fr>
19202 * src/output.h: And put its extern declaration here.
19203 * src/output.c (error_verbose): Define here.
19204 (prepare): Echo name modification.
19205 * src/getargs.h: Clean its extern declaration.
19206 * src/getargs.c (error_verbose_flag): Remove.
19207 (getargs): Remove case 'e'.
19208 * src/options.c (option_table): 'error-verbose' is now seen as simple
19212 * src/reader.c (read_declarations): Remove case tok_include.
19213 (parse_include_decl): Remove.
19214 * src/lex.h (token_t): Remove tok_include.
19215 * src/options.c (option_table): 'include' is now a simple command line
19218 2001-11-28 Marc Autret <autret_m@epita.fr>
19220 * src/bison.simple: Adjust muscle names.
19221 * src/muscle_tab.c (muscle_init): Also rename the muscles.
19222 * src/output.c (prepare): s/_/-/ for the muscles names.
19223 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
19225 2001-11-28 Marc Autret <autret_m@epita.fr>
19227 * src/bison.simple: Fix debug.
19228 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
19230 2001-11-28 Akim Demaille <akim@epita.fr>
19232 * src/LR0.c (shifts_new): New.
19233 (save_shifts, insert_start_shift, augment_automaton): Use it.
19235 2001-11-28 Akim Demaille <akim@epita.fr>
19237 * src/closure.c (closure): `b' and `ruleno' denote the same value:
19240 2001-11-28 Akim Demaille <akim@epita.fr>
19242 * src/closure.c (closure): Instead of looping over word in array
19243 then bits in words, loop over bits in array.
19245 2001-11-28 Akim Demaille <akim@epita.fr>
19247 * src/closure.c (closure): No longer optimize the special case
19248 where all the bits of `ruleset[r]' are set to 0, to make the code
19251 2001-11-28 Akim Demaille <akim@epita.fr>
19253 * src/closure.c (closure): `r' and `c' are new variables, used to
19254 de-obfuscate accesses to RULESET and CORE.
19256 2001-11-28 Akim Demaille <akim@epita.fr>
19258 * src/reduce.c (reduce_print): Use ngettext.
19259 (dump_grammar): Improve the trace accuracy.
19261 2001-11-28 Akim Demaille <akim@epita.fr>
19263 * src/reduce.c (dump_grammar): Don't translate trace messages.
19265 2001-11-28 Akim Demaille <akim@epita.fr>
19267 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
19268 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
19269 as all tags are free'ed afterwards.
19270 From Enrico Scholz.
19272 2001-11-27 Paul Eggert <eggert@twinsun.com>
19274 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
19275 use alloca when we didn't want to, and vice versa.
19277 2001-11-27 Marc Autret <autret_m@epita.fr>
19279 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
19281 * src/output.c (prepare): Remove its update.
19283 2001-11-27 Marc Autret <autret_m@epita.fr>
19285 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
19286 Use %error-verbose.
19288 2001-11-27 Marc Autret <autret_m@epita.fr>
19290 * src/bison.simple: Remove YYERROR_VERBOSE using.
19291 Use %%error_verbose.
19292 (yyparse): Likewise.
19293 * src/output.c (prepare): Give its final value.
19294 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
19295 * src/getargs.h: Add its extern declaration.
19296 * src/getargs.c (error_verbose_flag): New int.
19297 (getargs): Update to catch new case.
19298 * src/options.c (option_table): 'error-verbose' is a new option.
19299 (shortopts): Update.
19301 2001-11-27 Akim Demaille <akim@epita.fr>
19303 * src/system.h: Use intl/libgettext.h.
19304 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
19306 2001-11-27 Akim Demaille <akim@epita.fr>
19308 * tests/torture.at (Exploding the Stack Size with Malloc):
19309 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
19311 2001-11-27 Akim Demaille <akim@epita.fr>
19313 * src/files.c: Include error.h.
19314 Reported by Hans Aberg.
19316 2001-11-26 Marc Autret <autret_m@epita.fr>
19318 * src/reader.c (parse_include_decl): New, not yet implemented.
19319 (read_declarations): Add case tok_include.
19320 * src/getargs.h (include): Add its extern definition.
19321 * src/getargs.c (include): New const char *.
19322 (getargs): Add case '-I'.
19323 * src/options.c (option_table): Add include as command line and
19325 * src/lex.h (token_t): Add tok_include.
19327 2001-11-26 Akim Demaille <akim@epita.fr>
19329 * src/reader.c (readgram): Make sure rules for mid-rule actions
19330 have a lineno equal to that of their host rule.
19331 Reported by Hans Aberg.
19332 * tests/regression.at (Rule Line Numbers): New.
19334 2001-11-26 Akim Demaille <akim@epita.fr>
19336 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
19339 2001-11-26 Akim Demaille <akim@epita.fr>
19341 * src/complain.c, src/complain.h (error): Remove, provided by
19344 2001-11-26 Akim Demaille <akim@epita.fr>
19346 * src/reader.c (read_declarations): Don't abort on tok_illegal,
19347 issue an error message.
19348 * tests/regression.at (Invalid %directive): New.
19349 Reported by Hans Aberg.
19351 2001-11-26 Akim Demaille <akim@epita.fr>
19353 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
19354 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
19356 2001-11-26 Akim Demaille <akim@epita.fr>
19358 * src/conflicts.c (conflicts_print): Don't complain at all when
19359 there are no reduce/reduce conflicts, and as many shift/reduce
19360 conflicts as expected.
19361 * tests/regression.at (%expect right): Adjust.
19363 2001-11-23 Akim Demaille <akim@epita.fr>
19365 * lib/alloca.c: Update, from fileutils.
19367 2001-11-23 Akim Demaille <akim@epita.fr>
19369 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
19371 2001-11-23 Akim Demaille <akim@epita.fr>
19373 * src/system.h: Include alloca.h.
19374 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
19376 2001-11-23 Akim Demaille <akim@epita.fr>
19378 * src/print_graph.c (print_actions): Remove `rule', unused.
19379 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
19380 pacify GCC's signed < unsigned warnings.
19381 * src/closure.c (itemsetsize): Likewise.
19382 * src/reader.c (symbol_list_new): Static.
19384 2001-11-23 Akim Demaille <akim@epita.fr>
19386 Attaching lineno to buckets is stupid, since only one copy of each
19387 symbol is kept, only the line of the first occurrence is kept too.
19389 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
19390 * src/reader.c (rline_allocated): Remove, unused.
19391 (symbol_list): Have a `line' member.
19392 (symbol_list_new): New.
19393 (readgram): Use it.
19394 * src/print.c (print_grammar): Output the rule line numbers.
19395 * tests/regression.at (Solved SR Conflicts)
19396 (Unresolved SR Conflicts): Adjust.
19397 Reported by Hans Aberg.
19399 2001-11-22 Marc Autret <autret_m@epita.fr>
19401 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
19403 2001-11-22 Marc Autret <autret_m@epita.fr>
19405 * src/muscle_tab.c (muscle_init): Remove initialization of
19407 * src/output.c (output_master_parser): Do it here.
19409 2001-11-20 Akim Demaille <akim@epita.fr>
19412 * configure.in (ALL_LINGUAS): Adjust.
19413 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
19414 longer contains strings to translate.
19416 2001-11-19 Akim Demaille <akim@epita.fr>
19418 * src/conflicts.c (conflicts_print): Add a missing \n.
19420 2001-11-19 Akim Demaille <akim@epita.fr>
19422 * src/nullable.c (nullable_print): New.
19423 (set_nullable): Call it when tracing.
19424 Better locality of variables.
19426 2001-11-19 Akim Demaille <akim@epita.fr>
19428 * src/print.c (print_actions): Better locality of variables.
19430 2001-11-19 Akim Demaille <akim@epita.fr>
19432 * src/derives.c (print_derives): Fix and enrich.
19433 * src/closure.c (print_fderives): Likewise.
19435 2001-11-19 Akim Demaille <akim@epita.fr>
19437 * src/closure.c (itemsetend): Remove, replaced with...
19438 (itemsetsize): new.
19440 2001-11-19 Akim Demaille <akim@epita.fr>
19442 * src/LR0.c (kernel_end): Remove, replaced with...
19443 (kernel_size): new.
19445 2001-11-19 Akim Demaille <akim@epita.fr>
19447 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
19450 2001-11-19 Akim Demaille <akim@epita.fr>
19452 * src/closure.c (closure): Use arrays instead of pointers to clarify.
19454 2001-11-19 Akim Demaille <akim@epita.fr>
19456 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
19458 * src/LR0.c: Likewise.
19459 (allocate_itemsets): Use arrays instead of pointers to clarify.
19461 2001-11-19 Akim Demaille <akim@epita.fr>
19463 * src/getargs.c (statistics_flag): Replace with...
19465 (longopts): Accept --trace instead of --statistics.
19466 * src/getargs.h, src/options.c: Adjust.
19467 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
19468 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
19470 2001-11-19 Akim Demaille <akim@epita.fr>
19472 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
19473 pointers to clarify the code.
19474 (save_reductions, save_shifts): Factor common parts of alternatives.
19476 2001-11-19 Akim Demaille <akim@epita.fr>
19478 * src/LR0.c (new_state, get_state): Complete TRACE code.
19479 * src/closure.c: Include `reader.h' to get `tags', needed by the
19481 Rename the conditional DEBUG as TRACE.
19482 Output consistently TRACEs to stderr, not stdout.
19483 * src/derives.c: Likewise.
19484 * src/reduce.c: (inaccessable_symbols): Using if is better style
19486 Use `#if TRACE' instead of `#if 0' for tracing code.
19488 2001-11-19 Akim Demaille <akim@epita.fr>
19490 * src/system.h (LIST_FREE, shortcpy): New.
19491 * src/LR0.c: Use them.
19492 * src/output.c (free_itemsets, free_reductions, free_shifts):
19493 Remove, replaced by LIST_FREE.
19495 2001-11-19 Akim Demaille <akim@epita.fr>
19497 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
19498 (REDUCTIONS_ALLOC): New.
19499 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
19502 2001-11-19 Akim Demaille <akim@epita.fr>
19504 * src/LR0.c (new_state): Complete trace code.
19505 * src/nullable.c (set_nullable): Don't translate traces.
19507 2001-11-19 Akim Demaille <akim@epita.fr>
19509 * src/print_graph.c (print_core): Better locality of variables.
19510 * src/print.c (print_core): Likewise.
19512 2001-11-19 Akim Demaille <akim@epita.fr>
19514 * src/vcg.c: You do the output, so you are responsible of the
19515 handling of VCG syntax, in particular: use quotearg.
19516 * src/print_graph.c: Don't.
19517 (print_actions): Don't output the actions as part of the nodes,
19518 since that's the job of the edges.
19519 (print_state): Don't output by hand: fill the node description,
19520 and ask for its output.
19522 2001-11-19 Akim Demaille <akim@epita.fr>
19524 * src/bison.simple (yyparse): When verbosely reporting an error,
19525 no longer put additional quotes around token names.
19526 * tests/calc.at: Adjust.
19528 2001-11-19 Akim Demaille <akim@epita.fr>
19530 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
19531 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
19532 * src/output.c: Adjust.
19534 2001-11-19 Akim Demaille <akim@epita.fr>
19536 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
19538 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
19540 2001-11-19 Akim Demaille <akim@epita.fr>
19542 * src/gram.h (rule_t): New.
19544 (rrhs, rlhs): Remove, part of state_t.
19545 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
19546 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
19547 * src/reader.c, src/reduce.c: Adjust.
19549 2001-11-19 Akim Demaille <akim@epita.fr>
19551 * src/reader.c (symbols_output): New, extracted from...
19552 (packsymbols): Here.
19555 2001-11-19 Akim Demaille <akim@epita.fr>
19557 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
19558 (maxrhs): this new function.
19560 2001-11-19 Akim Demaille <akim@epita.fr>
19562 * src/lalr.c (F): New macro to access the variable F.
19565 2001-11-19 Akim Demaille <akim@epita.fr>
19567 * src/lalr.h (LA): New macro to access the variable LA.
19568 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19569 * src/lalr.c: Adjust.
19571 2001-11-19 Akim Demaille <akim@epita.fr>
19573 * src/lalr.c (initialize_LA): Only initialize LA. Let...
19574 (set_state_table): handle the `lookaheads' members.
19576 2001-11-19 Akim Demaille <akim@epita.fr>
19578 * src/lalr.h (lookaheads): Removed array, whose contents is now
19580 (state_t): this structure.
19581 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19584 2001-11-19 Akim Demaille <akim@epita.fr>
19586 * src/lalr.h (consistent): Removed array, whose contents is now
19588 (state_t): this structure.
19589 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19592 2001-11-19 Akim Demaille <akim@epita.fr>
19594 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
19595 contents are now members of...
19596 (state_t): this structure.
19597 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19600 2001-11-19 Akim Demaille <akim@epita.fr>
19602 * src/lalr.h (state_t): New.
19603 (state_table): Be a state_t * instead of a core **.
19604 (accessing_symbol): Remove, part of state_t.
19605 * src/lalr.c: Adjust.
19606 (set_accessing_symbol): Merge into...
19607 (set_state_table): this.
19608 * src/print_graph.c, src/conflicts.c: Adjust.
19610 2001-11-14 Akim Demaille <akim@epita.fr>
19612 * tests/calc.at, tests/output.at, tests/regression.at,
19613 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
19614 now the tests are run in private dirs, therefore AC_CLEANUP and
19615 family can be simplified to 0-ary.
19616 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
19617 use abs. path to find config.h.
19618 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
19619 stderr, there can be way too much random noise.
19620 Instead pass -Werror to GCC and rely on the exit status.
19621 Reported by Wolfram Wagner.
19623 2001-11-14 Akim Demaille <akim@epita.fr>
19625 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
19626 defined only if yyoverflow is defined, to avoid `warning: unused
19628 Reported by The Test Suite.
19630 2001-11-14 Akim Demaille <akim@epita.fr>
19632 * src/print.c: Include reduce.h.
19633 Reported by Hans Aberg.
19635 2001-11-14 Akim Demaille <akim@epita.fr>
19637 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
19638 Revert a previous patch: these are really const.
19639 * src/conflicts.c (conflict_report): Additional useless pair of
19640 braces to pacify GCC's warnings for `if () if () {} else {}'.
19641 * src/lex.c (parse_percent_token): Replace equal_offset with
19644 Be sure to strdup `arg' when used, since there is no reason for
19645 token_buffer not to change.
19647 2001-11-14 Akim Demaille <akim@epita.fr>
19649 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
19651 * src/main.c (main): Use them.
19652 Suggested by Hans Aberg.
19654 2001-11-12 Akim Demaille <akim@epita.fr>
19656 * src/system.h (ngettext): Now that we use ngettext, be sure to
19657 provide a default definition when NLS are not used.
19659 2001-11-12 Akim Demaille <akim@epita.fr>
19661 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
19662 Use @kbd to denote user input.
19663 (Language and Grammar): ANSIfy the example.
19664 Adjust its layout for info/notinfo.
19665 (Location Tracking Calc): Output error messages to stderr.
19666 Output locations in a more GNUtically correct way.
19667 Fix a couple of Englishos.
19668 Adjust @group/@end group pairs.
19670 2001-11-12 Akim Demaille <akim@epita.fr>
19672 %expect was not functioning at all.
19674 * src/conflicts.c (expected_conflicts): Set to -1.
19675 (conflict_report): Use ngettext.
19676 (conflicts_print): Check %expect and make its violation an error.
19677 * doc/bison.texinfo (Expect Decl): Adjust.
19678 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
19679 * tests/regression.at (%expect not enough, %expect right)
19680 (%expect too much): New.
19682 2001-11-12 Akim Demaille <akim@epita.fr>
19684 * tests/regression.at (Conflicts): Rename as...
19685 (Unresolved SR Conflicts): this.
19686 (Solved SR Conflicts): New.
19688 2001-11-12 Akim Demaille <akim@epita.fr>
19690 * src/reduce.c (print_results): Rename as...
19691 (reduce_output): This.
19692 Output to OUT, passed as argument, instead of output_obstack.
19693 (dump_grammar): Likewise.
19694 (reduce_free): New.
19696 (reduce_grammar): No longer call reduce_output, since...
19697 * src/print.c (print_results): do it.
19698 * src/main.c (main): Call reduce_free;
19700 2001-11-12 Akim Demaille <akim@epita.fr>
19702 * src/conflicts.c (print_reductions): Accept OUT as argument.
19703 Output to it, not to output_obstack.
19704 * src/print.c (print_actions): Adjust.
19706 2001-11-12 Akim Demaille <akim@epita.fr>
19708 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
19709 the result instead of using...
19710 (src_total, rrc_total, src_count, rrc_count): Remove.
19711 (any_conflicts): Remove.
19712 (print_conflicts): Split into...
19713 (conflicts_print, conflicts_output): New.
19714 * src/conflicts.h: Adjust.
19715 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
19716 * src/print.c (print_grammar): Issue `\n' between two rules.
19717 * tests/regression.at (Conflicts): New.
19718 Reported by Tom Lane.
19720 2001-11-12 Akim Demaille <akim@epita.fr>
19722 * tests/regression.at (Invalid input): Remove, duplicate with
19723 ``Invalid input: 1''.
19725 2001-11-12 Akim Demaille <akim@epita.fr>
19727 * tests/torture.at (AT_DATA_STACK_TORTURE)
19728 (Exploding the Stack Size with Alloca)
19729 (Exploding the Stack Size with Malloc): New.
19731 2001-11-12 Akim Demaille <akim@epita.fr>
19733 * src/bison.simple (YYSTACK_REALLOC): New.
19734 (yyparse) [!yyoverflow]: Use it and free the old stack.
19735 Reported by Per Allansson.
19737 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
19739 * src/bison.simple: Define type yystype instead of YYSTYPE, and
19740 define CPP macro, which substitute YYSTYPE by yystype.
19741 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
19742 with yyltype/YYLTYPE. This allows inclusion of the generated
19743 header within the parser if the compiler, such as GGC, accepts
19744 multiple equivalent #defines.
19747 2001-11-05 Akim Demaille <akim@epita.fr>
19749 * src/reader.c (symbols_output): New, extracted from...
19750 (packsymbols): here.
19753 2001-11-05 Akim Demaille <akim@epita.fr>
19755 * src/lex.c (parse_percent_token): s/quotearg/quote/.
19757 2001-11-05 Akim Demaille <akim@epita.fr>
19759 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
19762 2001-11-05 Akim Demaille <akim@epita.fr>
19764 * src/options.h (struct option_table_struct): set_flags is void*.
19765 * src/options.c (longopts): Support `--output' and `%output'.
19767 * src/lex.h (tok_setopt): Remove, replaced with...
19768 (tok_intopt, tok_stropt): these new guys.
19769 * src/lex.c (getopt.h): Not needed.
19770 (token_buffer, unlexed_token_buffer): Not const.
19771 (percent_table): Promote `-' over `_' in directive names.
19772 Active `%name-prefix', `file-prefix', and `output'.
19773 (parse_percent_token): Accept possible arguments to directives.
19774 Promote `-' over `_' in directive names.
19776 2001-11-04 Akim Demaille <akim@epita.fr>
19778 * doc/bison.texinfo (Decl Summary): Split the list into
19779 `directives for grammars' and `directives for bison'.
19781 Add description of `%name-prefix', `file-prefix', and `output'.
19782 Promote `-' over `_' in directive names.
19783 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
19784 Simplify the description of `--name-prefix'.
19785 Promote `-' over `_' in directive names.
19786 Promote `--output' over `--output-file'.
19787 Fix the description of `--defines'.
19788 * tests/output.at: Exercise %file-prefix and %output.
19790 2001-11-02 Akim Demaille <akim@epita.fr>
19792 * doc/refcard.tex: Update.
19794 2001-11-02 Akim Demaille <akim@epita.fr>
19796 * src/symtab.h (SUNDEF): New.
19797 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
19798 stand for `uninitialized', instead of 0.
19799 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
19800 * src/lex.c (lex): Adjust.
19802 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
19804 Let yylex return it instead of a plain 0.
19805 Reported by Dick Streefland.
19807 2001-11-02 Akim Demaille <akim@epita.fr>
19809 * tests/regression.at (Mixing %token styles): New test.
19811 2001-11-02 Akim Demaille <akim@epita.fr>
19813 * src/reader.c (parse_thong_decl): Formatting changes.
19814 (token_translations_init): New, extracted from...
19815 (packsymbols): Here.
19818 2001-11-01 Akim Demaille <akim@epita.fr>
19820 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
19821 Check that `9foo.y' produces correct cpp guards.
19822 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
19826 2001-11-01 Akim Demaille <akim@epita.fr>
19828 * tests/regression.at (Invalid input: 2): New.
19829 * src/lex.c (unlexed_token_buffer): New.
19830 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
19834 2001-11-01 Akim Demaille <akim@epita.fr>
19836 * tests/calc.at: Catch up with 1.30.
19837 * configure.in: Bump to 1.49a.
19838 Adjust to newer Autotest.
19840 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
19842 * src/conflicts.c: Move global variables rrc_total and src_total ...
19843 (print_conflicts): here.
19844 * src/output.c (output): Free global variable user_toknums.
19845 * src/lex.c (token_obstack): Become static.
19847 2001-10-18 Akim Demaille <akim@epita.fr>
19849 * tests/atlocal.in (GCC): Add.
19850 * tests/calc.at: s/m4_match/m4_bmatch/.
19851 s/m4_patsubst/m4_bpatsubst/.
19852 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
19853 * configure.in: AC_SUBST(GCC).
19855 2001-10-14 Marc Autret <autret_m@epita.fr>
19857 * src/options.c (create_long_option_table): Fix.
19859 2001-10-10 Akim Demaille <akim@epita.fr>
19861 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
19863 2001-10-04 Akim Demaille <akim@epita.fr>
19865 * src/reader.c (parse_union_decl): Push the caracters in
19866 union_obstack, not attrs_obstack.
19868 2001-10-04 Akim Demaille <akim@epita.fr>
19870 Merge in the branch 1.29.
19872 * src/reader.c (packsymbols): Use a temporary obstack for
19873 `%%tokendef', since output_stack is already used elsewhere.
19875 2001-10-02 Akim Demaille <akim@epita.fr>
19879 2001-10-02 Akim Demaille <akim@epita.fr>
19883 2001-10-02 Akim Demaille <akim@epita.fr>
19885 * tests/regression.at (Invalid CPP headers): New.
19886 From Alexander Belopolsky.
19887 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
19889 2001-10-02 Akim Demaille <akim@epita.fr>
19891 * tests/regression.at (Invalid input): New.
19892 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
19895 2001-10-02 Akim Demaille <akim@epita.fr>
19897 * tests/calc.at: Now that --debug works, the tests must be adjusted.
19899 2001-10-02 Akim Demaille <akim@epita.fr>
19901 * src/output.c (output_parser): Assert `skeleton'.
19902 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
19906 2001-10-01 Marc Autret <autret_m@epita.fr>
19908 * src/lex.h: Echo modifications.
19909 * src/lex.c (unlex): Parameter is now token_t.
19912 2001-10-01 Marc Autret <autret_m@epita.fr>
19914 * src/main.c: Include lex.h.
19917 2001-09-29 Akim Demaille <akim@epita.fr>
19919 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
19921 2001-09-28 Akim Demaille <akim@epita.fr>
19923 * tests/testsuite.at: Update to newer Autotest.
19924 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
19926 2001-09-27 Akim Demaille <akim@epita.fr>
19928 Position independent wrapper.
19930 * tests/bison: Remove.
19931 * tests/bison.in: New.
19932 * configure.in: Adjust.
19934 2001-09-27 Paul Eggert <eggert@twinsun.com>
19936 Port quotearg fixes from tar 1.13.24.
19938 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
19940 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
19941 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
19943 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
19944 * m4/mbrtowc.m4: New file.
19945 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
19946 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
19948 2001-09-27 Akim Demaille <akim@epita.fr>
19952 2001-09-27 Akim Demaille <akim@epita.fr>
19956 2001-09-25 Akim Demaille <akim@epita.fr>
19958 * src/system.h: Include `xalloc.h'.
19959 Remove it from the C files.
19960 * src/files.c (output_files): Free the obstacks.
19961 * src/lex.c (init_lex): Rename as...
19964 * src/main.c (main): Use it.
19966 2001-09-24 Marc Autret <autret_m@epita.fr>
19968 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
19969 to output informations in fout (FILE*).
19970 (open_graph, close_graph): Likewise.
19971 (output_graph, output_edge, output_node): Likewise.
19972 * src/vcg.h: Update function prototypes.
19973 * src/print_graph.c (print_graph): Open output graph file.
19974 (print_actions): Adjust.
19975 * src/files.h: Remove extern declaration.
19976 * src/files.c: Remove graph_obstack declaration.
19977 (open_files): Remove graph_obstack initialization.
19978 (output_files): Remove graph_obstack saving.
19980 2001-09-24 Marc Autret <autret_m@epita.fr>
19982 * src/files.c (compute_output_file_names): Fix.
19984 2001-09-24 Marc Autret <autret_m@epita.fr>,
19985 Akim Demaille <akim@epita.fr>
19987 * src/reader.c (reader): Remove call to free_symtab ().
19988 * src/main.c (main): Call it here.
19990 * src/conflicts.c (initialize_conflicts): Rename as...
19991 (solve_conflicts): this.
19992 * src/print.c (print_core, print_actions, print_state)
19993 (print_grammar): Dump to a file instead a `output_obstack'.
19994 (print_results): Dump `output_obstack', and then proceed with the
19996 * src/files.c (compute_output_file_names, close_files): New.
19997 (output_files): Adjust.
19998 * src/main.c (main): Adjust.
20000 2001-09-23 Marc Autret <autret_m@epita.fr>
20002 * src/files.c (compute_header_macro): Computes header macro name
20003 from spec_defines_file when given.
20005 2001-09-23 Marc Autret <autret_m@epita.fr>
20007 * src/files.c (output_files): Add default extensions.
20009 2001-09-22 Akim Demaille <akim@epita.fr>
20011 * src/conflicts.c (finalize_conflicts): Rename as...
20012 (free_conflicts): this.
20014 2001-09-22 Akim Demaille <akim@epita.fr>
20016 * src/gram.c (gram_free): Rename back as...
20018 (output_token_translations): Free `token_translations'.
20019 * src/symtab.c (free_symtab): Free the tag field.
20021 2001-09-22 Akim Demaille <akim@epita.fr>
20023 Remove `translations' as it is always set to true.
20025 * src/gram.h: Adjust.
20026 * src/reader.c (packsymbols, parse_token_decl): Adjust
20027 * src/print.c (print_grammar): Adjust.
20028 * src/output.c (output_token_translations): Adjust.
20029 * src/lex.c (lex): Adjust.
20030 * src/gram.c: Be sure the set pointers to NULL.
20031 (dummy): Rename as...
20034 2001-09-22 Akim Demaille <akim@epita.fr>
20036 * configure.in: Invoke AM_LIB_DMALLOC.
20037 * src/system.h: Use dmalloc.
20038 * src/LR0.c: Be sure to have pointers initialized to NULL.
20039 (allocate_itemsets): Allocate kernel_items only if needed.
20041 2001-09-22 Akim Demaille <akim@epita.fr>
20043 * configure.in: Bump to 1.29b.
20044 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
20045 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
20046 need xmalloc.c in calc.y.
20049 2001-09-21 Akim Demaille <akim@epita.fr>
20052 * Makefile.maint, config/config.guess, config/config.sub,
20053 * config/missing: Update from masters.
20054 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
20056 * configure.in (ALL_LINGUAS): Add `tr'.
20058 2001-09-21 Akim Demaille <akim@epita.fr>
20060 * tests/Makefile.am (package.m4): Move to...
20061 ($(srcdir)/$(TESTSUITE)): here.
20063 2001-09-20 Akim Demaille <akim@epita.fr>
20065 * src/complain.c: No longer try to be standalone: use system.h.
20066 Don't assume __STDC__ is defined to 1. Just test if it is defined.
20067 * src/complain.h: Likewise.
20068 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
20069 Remove the unused variable `n'.
20070 From Albert Chin-A-Young.
20072 2001-09-18 Marc Autret <autret_m@epita.fr>
20074 * doc/bison.1: Update.
20075 * doc/bison.texinfo (Bison Options): Update --defines and --graph
20077 (Option Cross Key): Update.
20080 2001-09-18 Marc Autret <autret_m@epita.fr>
20082 * tests/regression.at: New test (comment in %union).
20084 2001-09-18 Marc Autret <autret_m@epita.fr>
20086 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
20088 Reported by Keith Browne.
20090 2001-09-18 Marc Autret <autret_m@epita.fr>
20092 * tests/output.at: Add tests for --defines and --graph.
20094 2001-09-18 Marc Autret <autret_m@epita.fr>
20096 * tests/output.at: Removes tests of %{header,src}_extension features.
20098 2001-09-18 Akim Demaille <akim@epita.fr>
20100 * tests/Makefile.am (package.m4): New.
20101 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
20102 (_AT_CHECK_CALC_ERROR): Likewise.
20103 Factor the `, ' part of verbose error messages.
20105 2001-09-18 Marc Autret <autret_m@epita.fr>
20107 * src/getargs.c (longopts): Declare --defines and --graph as options
20108 with optional arguments.
20109 * src/files.h: Add extern declarations.
20110 * src/files.c (spec_graph_file, spec_defines_file): New.
20111 (output_files): Update.
20112 Remove CPP-outed code.
20114 2001-09-18 Marc Autret <autret_m@epita.fr>
20116 Turn off %{source,header}_extension feature.
20118 * src/files.c (compute_exts_from_gf): Update.
20119 (compute_exts_from_src): Update.
20120 (output_files): CPP-out useless code.
20121 * src/files.h: Remove {header,source}_extension extern declarations.
20122 * src/reader.c (parse_dquoted_param): CPP-out.
20123 (parse_header_extension_decl): Remove.
20124 (parse_source_extension_decl): Remove.
20125 (read_declarations): Remove cases tok_{hdrext,srcext}.
20126 * src/lex.c (percent_table): Remove {header,source}_extension entries.
20127 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
20129 2001-09-10 Akim Demaille <akim@epita.fr>
20131 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
20132 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
20133 (AT_CHECK_OUTPUT): this.
20134 Merely check ls' exit status, its output is useless.
20136 2001-09-10 Akim Demaille <akim@epita.fr>
20138 * tests/calc.at: Use m4_match.
20139 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
20141 2001-09-10 Marc Autret <autret_m@epita.fr>,
20142 Akim Demaille <akim@epita.fr>
20144 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
20146 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
20148 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
20149 * src/lex.h: Adjust prototype.
20150 (token_t): Add `tok_undef'.
20151 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
20152 (parse_percent_token): Now returns token_t.
20153 Add default statement in switch.
20154 (lex): Separate `c' as an input variable, from the token_t result
20156 (unlexed): Is a token_t.
20158 2001-09-10 Akim Demaille <akim@epita.fr>
20160 * configure.in: Bump to 1.29a.
20162 2001-09-07 Akim Demaille <akim@epita.fr>
20166 2001-08-30 Akim Demaille <akim@epita.fr>
20168 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
20169 * m4/atconfig.m4: Remove.
20170 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
20171 * tests/bison: New.
20172 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
20173 m4_if, m4_patsubst, and m4_regexp.
20174 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
20175 `input' file instead of echo.
20177 2001-08-29 Akim Demaille <akim@epita.fr>
20181 2001-08-29 Akim Demaille <akim@epita.fr>
20185 2001-08-29 Paul Eggert <eggert@twinsun.com>
20187 * src/bison.simple (yyparse): Don't take the address of an
20188 item before the start of an array, as that doesn't conform to
20191 2001-08-29 Robert Anisko <anisko_r@epita.fr>
20193 * doc/bison.texinfo (Location Tracking Calc): New node.
20195 2001-08-29 Paul Eggert <eggert@twinsun.com>
20197 * src/output.c (output): Do not define const, as this now
20198 causes more problems than it cures.
20200 2001-08-29 Akim Demaille <akim@epita.fr>
20202 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
20204 Be sure to tag the `detailmenu'.
20206 2001-08-29 Akim Demaille <akim@epita.fr>
20208 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
20209 download in a tmp dir.
20211 2001-08-28 Marc Autret <autret_m@epita.fr>
20213 * config/depcomp: New file.
20215 2001-08-28 Marc Autret <autret_m@epita.fr>
20217 * doc/bison.1 (mandoc): Adjust.
20218 From Juan Manuel Guerrero.
20220 2001-08-28 Marc Autret <autret_m@epita.fr>
20222 * src/print_graph.c (print_state): Fix.
20224 2001-08-27 Marc Autret <autret_m@epita.fr>
20226 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
20228 Echo modifications to the functions prototypes.
20229 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
20231 2001-08-27 Marc Autret <autret_m@epita.fr>
20233 * src/vcg.c: Include `xalloc.h'.
20234 (add_colorentry): New.
20235 (add_classname): New.
20236 (add_infoname): New.
20237 * src/vcg.h: Add new prototypes.
20239 2001-08-27 Akim Demaille <akim@epita.fr>
20241 * Makefile.maint: Sync. again with CVS Autoconf.
20243 2001-08-27 Akim Demaille <akim@epita.fr>
20245 * Makefile.maint: Formatting changes.
20246 (po-update, cvs-update, update): New targets.
20249 2001-08-27 Akim Demaille <akim@epita.fr>
20251 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20252 * Makefile.maint: Sync. with CVS Autoconf.
20254 2001-08-27 Marc Autret <autret_m@epita.fr>
20256 * src/vcg.h (struct infoname_s): New.
20257 (struct colorentry_s): New.
20258 (graph_s): New fields {vertical,horizontal}_order in structure.
20259 Add `infoname' field.
20260 Add `colorentry' field;
20261 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
20262 (G_HORIZONTAL_ORDER): New.
20264 (G_COLORENTRY): New.
20265 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
20266 Add output of `infoname'.
20267 Add output of `colorentry'.
20269 2001-08-27 Marc Autret <autret_m@epita.fr>
20271 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
20272 This one shadowed a global parameter.
20274 2001-08-24 Marc Autret <autret_m@epita.fr>
20276 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
20277 instead of `unsigned'.
20278 (print_state): Do not call obstack_object_size () in obstack_grow ()
20279 to avoid macro variables shadowing.
20281 2001-08-23 Marc Autret <autret_m@epita.fr>
20283 * src/lex.c (percent_table): Typo: s/naem/name/.
20285 Normalize new options declarations.
20287 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
20289 * tests/suite.at: Exercise %header_extension and %source_extension.
20291 2001-08-16 Marc Autret <autret_m@epita.fr>
20293 * src/reader.c (parse_dquoted_param): New.
20294 (parse_header_extension_decl): Use it.
20295 (parse_source_extension_decl): Likewise.
20297 2001-08-16 Marc Autret <autret_m@epita.fr>
20299 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
20300 (get_xxxx_str): Use assert () instead of complain ().
20301 Remove return invokations in default cases.
20302 (get_decision_str): Modify default behaviour. Remove second argument.
20303 Echo modifications on calls.
20304 (output_graph): Fix.
20306 2001-08-16 Marc Autret <autret_m@epita.fr>
20308 * src/getargs.c (usage): Update with ``-g, --graph''.
20310 2001-08-16 Marc Autret <autret_m@epita.fr>
20312 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
20313 (Option Cross Key): Likewise.
20314 * doc/bison.1: Update.
20316 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
20318 * src/output.c (output_master_parser): Don't finish action_obstack.
20319 (output_parser): Don't care about the muscle action, here.
20320 (prepare): Copy the action_obstack in the action muscle.
20321 (output): Free action_obstack.
20323 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
20325 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
20326 will contain `%union' declaration.
20327 (parse_union_decl): Delete #line directive output.
20328 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
20329 informations about %union.
20330 (parse_union_decl): Copy the union_obstack in the muscle stype.
20331 * src/bison.simple: Add new #line directive.
20332 Add typdef %%stype YYSTYPE.
20334 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
20336 * src/bison.simple: Add new `#line' directive.
20338 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
20340 * src/bison.simple: New `#line' directive.
20341 * src/output.c (output_parser): Support new dynamic muscle input_line.
20343 2001-09-22 Marc Autret <autret_m@epita.fr>
20345 * src/output.c (output_master_parser): New.
20346 (output_parser): Be more re-entrant.
20348 2001-09-21 Marc Autret <autret_m@epita.fr>
20350 * src/reader.c (copy_definition, parse_union_decl): Update and use
20352 (copy_action): Likewise.
20353 Use obstack_1grow ().
20354 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
20356 2001-09-21 Marc Autret <autret_m@epita.fr>
20358 * src/options.c (option_table): Adjust.
20359 * src/lex.c (parse_percent_token): Fix.
20361 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
20363 * src/options.c (symtab.h): Include it, need by lex.h.
20365 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
20367 * src/lex.c (parse_percent_token): Change type of variable `tx', which
20368 is now an option_table_struct*.
20369 (option_strcmp): New function option_strcmp.
20370 (parse_percent_token): Call option_strcmp.
20371 * src/getargs.c (xalloc.h, options.h): Include it.
20372 (getargs): Call create_long_option_table.
20373 (getargs): Free longopts at the end of the function.
20374 (shortopts): Move in options.c.
20375 * src/options.c (create_long_option_table): New function. Convert
20376 information from option_table to option structure.
20377 * src/reader.c (options.h): Include it.
20379 * src/Makefile.am: Adjust.
20380 * src/options.c (option_table): Create from longopts and percent_table.
20381 * src/getargs.c (longopts): Delete.
20382 * src/lex.c (struct percent_table_struct): Delete.
20383 (percent_table): Delete.
20384 (options.h): Include it.
20385 * src/options.c: Create.
20386 * src/options.h: Create.
20387 Declare enum opt_access_e.
20388 Define struct option_table_struct.
20390 2001-09-20 Marc Autret <autret_m@epita.fr>
20392 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
20395 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
20397 * src/bison.simple: s/%%filename/%%skeleton.
20398 * src/muscle_tab.c (getargs.h): Include it.
20399 (muscle_init): Insert new muscle skeleton.
20401 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
20403 * src/output.c (output_parser): Delete unused variable actions_dumped.
20405 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
20407 * src/output.c (output): Delete call to reader_output_yylsp.
20408 * src/reader.c (reader): Likewise.
20409 * src/reader.h: Delete declaration of reader_output_yylsp.
20411 2001-09-02 Marc Autret <autret_m@epita.fr>
20413 * src/reader.c: Include muscle_tab.h.
20414 (parse_union_decl): Update.
20415 (parse_macro_decl): Rename parse_muscle_decl.
20416 Update to use renamed functions and variable.
20417 (read_declarations, copy_action, read_additionnal_code, : Updated
20418 with correct variables and functions names.
20419 (packsymbols, reader): Likewise.
20421 * src/reader.h (muscle_obstack): Extern declaration update.
20423 * src/output.c: Include muscle_tab.h
20424 In all functions using macro_insert, change by using muscle_insert ().
20425 (macro_obstack): Rename muscle_obstack.
20426 Echo modifications in the whole file.
20427 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
20428 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
20429 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
20431 * src/muscle_tab.h: Update double inclusion macros.
20432 (macro_entry_s): Rename muscle_entry_s.
20435 * src/muscle_tab.c: Include muscle_tab.h.
20436 Rename macro_tabble to muscle_table.
20437 (mhash1, mhash2, mcmp): Use muscle_entry.
20438 (macro_init): Rename muscle_init. Update.
20439 (macro_insert): Rename muscle_insert. Update.
20440 (macro_find): Rename muscle_find. Update.
20442 * src/main.c: Include muscle_tab.h.
20443 (main): Call muscle_init ().
20444 * src/Makefile.am (bison_SOURCES): Echo modifications.
20446 2001-09-02 Marc Autret <autret_m@epita.fr>
20448 Now the files macro_tab.[ch] are named muscle_tab.[ch].
20450 * src/muscle_tab.c, src/muscle_tab.h: Add files.
20452 2001-09-02 Marc Autret <autret_m@epita.fr>
20454 * src/macrotab.c, src/macrotab.h: Remove.
20456 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
20458 * src/reader.c (copy_guard): Use muscle to specify the `#line'
20461 2001-09-01 Marc Autret <autret_m@epita.fr>
20463 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
20464 to an explicit value to activate the feature. We do it here.
20466 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20468 * src/output.c (prepare): Delete the `filename' muscule insertion.
20469 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
20470 (parse_union_decl): Likewise.
20471 * src/macrotab.c (macro_init): Initialize filename by infile.
20473 2001-08-31 Marc Autret <autret_m@epita.fr>
20475 * src/bison.simple (YYLSP_NEEDED): New definition.
20476 * src/output.c (prepare): Add macro insertion of `locations_flag'
20478 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20480 * src/output.c (prepare): Delete insertion of previous muscles,
20481 and insert the `prefix' muscles.
20482 * src/macrotab.c (macro_init): Likewise.
20483 (macro_init): Initialization prefix directive by `yy'.
20484 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
20485 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
20486 yylval, yydebug, yyerror, yynerrs and yyparse.
20487 New directive `#define' to substitute yydebug, ... with option
20490 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20492 * src/main.c (main): Standardize.
20493 * src/output.c (output_table_data, output_parser): Likewise.
20494 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
20496 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
20498 * src/reader.c (read_additionnal_code): Rename %%user_code to
20500 * src/output.c (output): Rename %%declarations to %%prologue.
20501 * src/bison.simple: Echo modifications.
20503 2001-08-31 Marc Autret <autret_m@epita.fr>
20505 * src/reader.c (readgram): CleanUp.
20506 (output_token_defines): Likewise.
20507 (packsymbols): Likewise.
20508 (reader): Likewise.
20509 * src/output.c (output): CPP-out useless code.
20511 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20513 * src/reader.c (reader): Delete obsolete call to function
20514 output_trailers and output_headers.
20515 * src/output.h: Remove obsolete functions prototypes of output_headers
20516 and output_trailers.
20518 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
20520 * src/main.c: Include macrotab.h.
20521 * src/macrotab.h (macro_entry_s): Constify fields.
20522 Adjust functions prototypes.
20523 * src/macrotab.c (macro_insert): Constify key and value.
20524 (macro_find): Constify key.
20525 (macro_insert): Include 'xalloc.h'
20526 (macro_insert): Use XMALLOC.
20527 (macro_find): Constify return value.
20528 * src/output.c (output_table_data): Rename table to table_data.
20529 (output_parser): Constify macro_key, macro_value.
20531 2001-08-30 Marc Autret <autret_m@epita.fr>
20533 * src/reader.c (parse_skel_decl): New.
20534 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
20535 * src/lex.h (token_t): New token `tok_skel'.
20536 * src/lex.c (percent_table): Add skeleton option entry.
20539 2001-08-29 Marc Autret <autret_m@epita.fr>
20541 * src/bison.simple: Add %%user_code directive at the end.
20542 * src/reader.c (read_additionnal_code): New.
20544 * src/output.c (output_program): Remove.
20547 2001-08-28 Marc Autret <autret_m@epita.fr>
20549 * src/output.c (output_actions): Clean up.
20550 (output_gram): CPP-out useless code.
20551 * src/reader.c (reader): Clean up, CPP-out useless code.
20553 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
20555 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
20557 * src/bison.simple: Add `%%definitions'.
20559 2001-08-28 Marc Autret <autret_m@epita.fr>
20561 * config/depcomp: New file.
20563 2001-08-27 Paul Eggert <eggert@twinsun.com>
20565 * src/bison.simple (yyparse): Don't take the address of an
20566 item before the start of an array, as that doesn't conform to
20569 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20571 * src/output.c (output): Remove the initialization of the macro
20572 obstack. It was done too late here.
20574 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
20576 (reader): Initialize the macro obstack here, since we need it to grow
20577 '%define' directives.
20579 * src/reader.h: Declare the macro obstack as extern.
20581 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20583 * src/output.c (output_parser): Fix. Store single '%' characters in
20584 the output obstack instead of throwing them away.
20586 2001-08-27 Akim Demaille <akim@epita.fr>
20588 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20590 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20592 * lib/Makefile.am: Adjust.
20594 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20596 * src/bison.simple: Update and add '%%' directives.
20598 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20600 * src/reader.c (reader): Remove calls to 'output_headers' and
20601 'output_trailers'. Remove some C output.
20602 (readgram): Disable a piece of code that was writing a default
20603 definition for 'YYSTYPE'.
20604 (reader_output_yylsp): Remove.
20605 (packsymbols): Output token defintions to a macro.
20606 (copy_definition): Disable C output.
20608 * src/reader.c (parse_macro_decl): New function used to parse macro
20610 (copy_string2): Put the body of copy_string into this new function.
20611 Add a parameter to let the caller choose whether he wants to copy the
20612 string delimiters or not.
20613 (copy_string): Be a simple call to copy_string2 with the last argument
20615 (read_declarations): Add case for macro definition.
20616 (copy_identifier): New.
20617 (parse_macro_decl): Read macro identifiers using copy_identifier
20620 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20622 * src/output.c (prepare): Add prefixed names.
20623 (output_parser): Output semantic actions.
20624 (output_parser): Fix bug on '%%line' directives.
20626 * src/output.c (output_headers): Remove. The C code printed by this
20627 function should now be in the skeletons.
20628 (output_trailers): Remove.
20629 (output): Disable call to 'reader_output_yylsp'.
20630 (output_rule_data): Do not output tables to the table obstack.
20632 * src/output.c: Remove some C dedicated output.
20633 Improve the use of macro and output obstacks.
20634 (output_defines): Remove.
20636 * src/output.c (output_token_translations): Associate 'translate'
20637 table with a macro. No output to the table obstack.
20638 (output_gram): Same for 'rhs' and 'prhs'.
20639 (output_stos): Same for 'stos'.
20640 (output_rule_data): Same for 'r1' and 'r2'.
20641 (token_actions): Same for 'defact'.
20642 (goto_actions): Same for 'defgoto'.
20643 (output_base): Same for 'pact' and 'pgoto'.
20644 (output_table): Same for 'table'.
20645 (output_check): Same for 'check'.
20647 * src/output.c (output_table_data): New function.
20648 (output_short_table): Remove.
20649 (output_short_or_char_table): Remove.
20651 * src/output.c (output_parser): Replace most of the skeleton copy code
20652 with something new. Skeletons are now processed character by character
20653 rather than line by line, and Bison looks for '%%' macros. This is the
20654 first step in making Bison's output process (a lot) more flexible.
20655 (output_parser): Use the macro table.
20657 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20659 * src/main.c (main): Initialize the macro table.
20661 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20663 * src/lex.c (percent_table): Add tok_define.
20664 * src/lex.h: Add tok_define.
20666 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20668 * src/macrotab.c: New file.
20669 * src/macrotab.h: New file.
20670 * src/Makefile.am: Update.
20672 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20674 * lib/hash.c: New file.
20675 * lib/hash.h: New file.
20676 * lib/Makefile.am: Update.
20678 2001-08-15 Akim Demaille <akim@epita.fr>
20682 2001-08-15 Marc Autret <autret_m@epita.fr>
20684 * src/reader.c (readgram): Indent output macro YYSTYPE.
20685 (packsymbols): Likewise.
20686 (output_token_defines): Likewise.
20687 * src/files.c: Standardize.
20688 (compute_header_macro): New.
20689 (defines_obstack_save): New. Use compute_header_macro.
20690 (output_files): Update. Use defines_obstack_save.
20692 2001-08-15 Akim Demaille <akim@epita.fr>
20694 * doc/bison.texinfo (Table of Symbols): Document
20695 YYSTACK_USE_ALLOCA.
20697 2001-08-15 Akim Demaille <akim@epita.fr>
20699 * missing: Update from CVS Automake.
20700 * config/config.guess, config/config.sub, config/texinfo.tex:
20701 Update from gnu.org.
20703 2001-08-15 Akim Demaille <akim@epita.fr>
20705 * Makefile.maint: Sync with CVS Autoconf.
20707 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
20709 * doc/bison.texinfo: Include GNU Free Documentation License from
20711 * doc/fdl.texi: Add to package.
20713 2001-08-14 Marc Autret <autret_m@epita.fr>
20715 Turn on %{source,header}_extension features.
20717 * src/lex.c (percent_table): Un-CPP out header_extension and
20719 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
20720 (compute_exts_from_src): Remove conditions. It restores priorities
20723 2001-08-14 Marc Autret <autret_m@epita.fr>
20725 * src/files.c (compute_base_names): Add extensions computing when
20726 `--file-prefix' used.
20727 Standardize function calls.
20729 2001-08-13 Marc Autret <autret_m@epita.fr>
20731 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
20732 defining it (defined but null disables alloca).
20734 2001-08-13 Marc Autret <autret_m@epita.fr>
20736 * src/bison.simple (_yy_memcpy): CPP reformat.
20738 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
20740 * tests/atconfig.in (CPPFLAGS): Fix.
20742 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
20744 * doc/bison.texinfo: Include GNU General Public License from
20746 * doc/gpl.texi: Add to package.
20748 2001-08-10 Marc Autret <autret_m@epita.fr>
20750 * src/print_graph.h: Fix.
20751 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
20753 2001-08-10 Akim Demaille <akim@epita.fr>
20755 * src/system.h: Provide default declarations for stpcpy, strndup,
20758 2001-08-10 Robert Anisko <anisko_r@epita.fr>
20760 * doc/bison.texinfo (Locations): Update @$ stuff.
20762 2001-08-09 Robert Anisko <anisko_r@epita.fr>
20764 * src/bison.simple (YYLLOC_DEFAULT): Update.
20767 2001-08-08 Marc Autret <autret_m@epita.fr>
20769 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
20770 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
20771 Reported by Fabrice Bauzac.
20773 2001-08-08 Marc Autret <autret_m@epita.fr>
20775 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
20776 * src/vcg.c (output_node): Fix.
20777 * src/vcg.h: Cleanup.
20778 * src/print_graph.c: Add comments.
20779 (node_output_size): New global variable. Simplify the formatting of
20780 the VCG graph output.
20781 (print_actions): Unused code is now used. It notifies the final state
20782 and no action states in the VCG graph. It also give the reduce actions.
20783 The `shift and goto' edges are red and the `go to state' edges are
20785 Get the current node name and node_obstack by argument.
20786 (node_obstack): New variable.
20787 (print_state): Manage node_obstack.
20788 (print_core): Use node_obstack given by argument.
20789 A node is not only computed here but in print_actions also.
20790 (print_graph): CPP out useless code instead of commenting it.
20792 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
20794 * tests/atconfig.in (CPPFLAGS): Fix.
20796 2001-08-07 Akim Demaille <akim@epita.fr>
20798 * src/print_graph.c (quote): New.
20799 (print_core): Use it.
20801 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
20803 * src/vcg.c (complain.h): Include it.
20804 Unepitaize `return' invocations.
20805 [NDEBUG] (main): Remove.
20806 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
20807 * src/files.c (open_files): Initialize graph_obstack.
20808 * src/print_graph.c (print_actions): CPP out useless code.
20809 (print_core): Don't output the last `\n' in labels.
20811 * src/files.c (output_files): Output the VCG file.
20812 * src/main.c (main): Invoke print_graph ();
20814 2001-08-06 Marc Autret <autret_m@epita.fr>
20816 Automaton VCG graph output.
20817 Using option ``-g'' or long option ``--graph'', you can generate
20818 a gram_filename.vcg file containing a VCG description of the LALR (1)
20819 automaton of your grammar.
20821 * src/main.c: Call to print_graph() function.
20822 * src/getargs.h: Update.
20823 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
20824 (graph_flag): New flag.
20825 (longopts): Update.
20826 (getargs): Add case `g'.
20827 * src/files.c (graph_obstack): New obstack struct.
20828 (open_files): Initialize new obstack.
20829 (output_files): Saves graph_obstack if required.
20830 * src/files.h (graph_obstack): New extern declaration.
20831 * src/Makefile.am: Add new source files.
20833 2001-08-06 Marc Autret <autret_m@epita.fr>
20835 * src/print_graph.c, src/print_graph.h (graph): New.
20836 * src/vcg.h: New file.
20837 * src/vcg.c: New file, VCG graph handling.
20839 2001-08-06 Marc Autret <autret_m@epita.fr>
20841 Add of %source_extension and %header_extension which specify
20842 the source or/and the header output file extension.
20844 * src/files.c (compute_base_names): Remove initialisation of
20845 src_extension and header_extension.
20846 (compute_exts_from_gf): Update.
20847 (compute_exts_from_src): Update.
20848 (output_files): Update.
20849 * src/reader.c (parse_header_extension_decl): New.
20850 (parse_source_extension_decl): New.
20851 (read_declarations): New case statements for the new tokens.
20852 * src/lex.c (percent_table): Add entries for %source_extension
20853 and %header_extension.
20854 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
20856 2001-08-06 Marc Autret <autret_m@epita.fr>
20858 * configure.in: Bump to 1.28c.
20859 * doc/bison.texinfo: Texinfo thingies.
20861 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
20863 * tests/atconfig.in (CPPFLAGS): Add.
20864 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
20866 2001-08-03 Akim Demaille <akim@epita.fr>
20870 2001-08-03 Akim Demaille <akim@epita.fr>
20872 * tests/Makefile.am (check-local): Ship testsuite.
20873 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
20874 Include `string.h'.
20876 2001-08-03 Akim Demaille <akim@epita.fr>
20878 * configure.in: Try using -Wformat when compiling.
20880 2001-08-03 Akim Demaille <akim@epita.fr>
20882 * configure.in: Bump to 1.28b.
20884 2001-08-03 Akim Demaille <akim@epita.fr>
20886 * src/complain.c: Adjust strerror_r portability issues.
20888 2001-08-03 Akim Demaille <akim@epita.fr>
20892 2001-08-03 Akim Demaille <akim@epita.fr>
20894 * src/getargs.c, src/getarg.h (skeleton)): Constify.
20895 * src/lex.c (literalchar): Avoid name clashes on `buf'.
20896 * src/getargs.c: Include complain.h.
20897 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
20898 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
20900 2001-08-03 Akim Demaille <akim@epita.fr>
20902 * src/reader.c (readgram): Display hidden chars in error messages.
20904 2001-08-03 Akim Demaille <akim@epita.fr>
20906 Update to gettext 0.10.39.
20908 2001-08-03 Akim Demaille <akim@epita.fr>
20910 * lib/strspn.c: New.
20912 2001-08-01 Marc Autret <autret_m@epita.fr>
20914 * doc/bison.texinfo: Update.
20915 * doc/bison.1 (mandoc): Update.
20916 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
20917 * src/files.c: Support output files extensions computing.
20918 (src_extension): New static variable.
20919 (header_extension): New static variable.
20920 (tr): New function.
20921 (get_extension_index): New function, gets the index of an extension
20922 filename in a string.
20923 (compute_exts_from_gf): New function, computes extensions from the
20924 grammar file extension.
20925 (compute_exts_from_src): New functions, computes extensions from the
20926 C source file extension, file given by ``-o'' option.
20927 (compute_base_names): Update.
20928 (output_files): Update.
20930 2001-08-01 Robert Anisko <anisko_r@epita.fr>
20932 * doc/bison.texi: Document @$.
20933 (Locations): New section.
20935 2001-07-18 Akim Demaille <akim@epita.fr>
20937 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
20938 * config/prev-version.txt, config/move-if-change: New.
20939 * Makefile.am: Adjust.
20941 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
20943 * src/bison.simple (yyparse): Suppress warning `comparaison
20944 between signed and unsigned'.
20946 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
20948 * src/getargs.h (raw_flag): Remove.
20949 * src/getargs.c: Die on `-r'/`--raw'.
20950 * src/lex.c (parse_percent_token): Die on `%raw'.
20951 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
20952 * tests/calc.at: Suppress test with option `--raw'.
20954 2001-07-14 Akim Demaille <akim@epita.fr>
20957 * configure.in: Require Autoconf 2.50.
20958 Update to gettext 0.10.38.
20960 2001-03-16 Akim Demaille <akim@epita.fr>
20962 * doc/bison.texinfo: ANSIfy the examples.
20964 2001-03-16 Akim Demaille <akim@epita.fr>
20966 * getargs.c (skeleton): New variable.
20967 (longopts): --skeleton is a new option.
20968 (shortopts, getargs): -S is a new option.
20969 * getargs.h: Declare skeleton.
20970 * output.c (output_parser): Use it.
20972 2001-03-16 Akim Demaille <akim@epita.fr>
20974 * m4/strerror_r.m4: New.
20975 * m4/error.m4: Run AC_FUNC_STRERROR_R.
20976 * lib/error.h, lib/error.c: Update.
20978 2001-03-16 Akim Demaille <akim@epita.fr>
20980 * src/getargs.c (longopts): Clean up.
20982 2001-02-21 Akim Demaille <akim@epita.fr>
20984 * src/reader.c (gensym): `gensym_count' is your own.
20985 Use a static buf to create the symbol name, as token_buffer is no
20988 2001-02-08 Akim Demaille <akim@epita.fr>
20990 * src/conflicts.c (conflict_report): Be sure not to append to res
20991 between two calls, which could happen if both first sprintf were
20992 skipped, but not the first cp += strlen.
20994 2001-02-08 Akim Demaille <akim@epita.fr>
20996 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
20997 New, from fileutils 4.0.37.
20998 * configure.in: Require Autoconf 2.49c. I took some time before
20999 making this decision. This is the only way out for portability
21000 issues in Bison, it would mean way too much duplicate effort to
21001 import in Bison features implemented in 2.49c since 2.13.
21002 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
21004 2001-02-02 Akim Demaille <akim@epita.fr>
21006 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
21007 * lib/xalloc.h, lib/xmalloc.c: Update.
21009 2001-01-19 Akim Demaille <akim@epita.fr>
21011 Get rid of the ad hoc handling of token_buffer in the scanner: use
21014 * src/lex.c (token_obstack): New.
21015 (init_lex): Initialize it. No longer call...
21016 (grow_token_buffer): this. Remove it.
21017 Adjust all the places which used it to use the obstack.
21019 2001-01-19 Akim Demaille <akim@epita.fr>
21021 * src/lex.h: Rename all the tokens:
21022 s/\bENDFILE\b/tok_eof/g;
21023 s/\bIDENTIFIER\b/tok_identifier/g;
21025 Let them be enums, not #define, to ease debugging.
21026 Adjust all the code.
21028 2001-01-18 Akim Demaille <akim@epita.fr>
21030 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
21031 * src/lex.c (maxtoken, grow_token_buffer): Static.
21033 2001-01-18 Akim Demaille <akim@epita.fr>
21035 Since we now use obstacks, more % directives can be enabled.
21037 * src/lex.c (percent_table): Also accept `%yacc',
21038 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
21040 Handle the actions for `%semantic_parser' and `%pure_parser' here,
21041 instead of returning a token.
21042 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
21043 * src/reader.c (read_declarations): Adjust.
21044 * src/files.c (open_files): Don't call `compute_base_names', don't
21045 compute `attrsfile' since they depend upon data which might be
21046 *in* the input file now.
21047 (output_files): Do it here.
21048 * src/output.c (output_headers): Document the fact that this patch
21049 introduces a guaranteed SEGV for semantic parsers.
21050 * doc/bison.texinfo: Document them.
21051 * tests/suite.at: Exercise these %options.
21053 2000-12-20 Akim Demaille <akim@epita.fr>
21055 Also handle the output file (--verbose) with obstacks.
21057 * files.c (foutput): Remove.
21058 (output_obstack): New.
21059 Adjust all dependencies.
21060 * src/conflicts.c: Return a string.
21061 * src/system.h (obstack_grow_string): Rename as...
21062 (obstack_sgrow): this. Be ready to work with non literals.
21063 (obstack_fgrow4): New.
21065 2000-12-20 Akim Demaille <akim@epita.fr>
21067 * src/files.c (open_files): Fix the computation of short_base_name
21068 in the case of `-o foo.tab.c'.
21070 2000-12-20 Akim Demaille <akim@epita.fr>
21072 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
21073 (copy_dollar): Now that everything uses obstacks, get rid of the
21076 2000-12-20 Akim Demaille <akim@epita.fr>
21078 * src/files.c (open_files): Actually the `.output' file is based
21079 on the short_base_name, not base_name.
21080 * tests/suite.at (Checking output file names): Adjust.
21082 2000-12-20 Akim Demaille <akim@epita.fr>
21084 * src/bison.s1: Remove, we now use directly...
21085 * src/bison.simple: this.
21086 * src/Makefile.am: Use pkgdata instead of data.
21088 2000-12-20 Akim Demaille <akim@epita.fr>
21090 * src/files.c (guard_obstack): New.
21091 (open_files): Initialize it.
21092 (output_files): Dump it...
21093 * src/files.h: Export it.
21094 * src/reader.c (copy_guard): Use it.
21096 2000-12-19 Akim Demaille <akim@epita.fr>
21098 * src/files.c (outfile, defsfile, actfile): Removed as global
21100 (open_files): Don't compute them.
21101 (output_files): Adjust.
21102 (base_name, short_base_name): Be global.
21103 Adjust dependencies.
21105 2000-12-19 Akim Demaille <akim@epita.fr>
21107 * src/files.c (strsuffix): New.
21108 (stringappend): Be just like strcat but allocate.
21109 (base_names): Eve out from open_files.
21110 Try to simplify the rather hairy computation of base_name and
21112 (open_files): Use it.
21113 * tests/suite.at (Checking output file names): New test.
21115 2000-12-19 Akim Demaille <akim@epita.fr>
21117 * src/system.h (obstack_grow_literal_string): Rename as...
21118 (obstack_grow_string): this.
21119 * src/output.c (output_parser): Recognize `%% actions' instead of
21121 * src/bison.s1: s/$/%% actions/.
21122 * src/bison.hairy: Likewise.
21124 2000-12-19 Akim Demaille <akim@epita.fr>
21126 * src/output.c (output_parser): Compute the `#line' lines when
21128 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
21129 Suggested by Hans Aberg.
21131 2000-12-19 Akim Demaille <akim@epita.fr>
21133 Let the handling of the skeleton files be local to the procedures
21136 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
21138 (fparser, open_extra_files): Remove.
21139 (open_files, output_files): Don't take care of fparser.
21140 * src/files.h: Adjust.
21141 * src/output.c (output_parser): Open and close the file to the
21143 * src/reader.c (read_declarations): When %semantic_parser, open
21146 2000-12-19 Akim Demaille <akim@epita.fr>
21148 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
21149 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
21151 2000-12-19 Akim Demaille <akim@epita.fr>
21153 * src/files.c (open_files): Yipee! We no longer need all the code
21154 looking for `/tmp' since we have no tmp file.
21156 2000-12-19 Akim Demaille <akim@epita.fr>
21158 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
21160 * src/files.c (open_files): Less dependency on MSDOS etc.
21162 2000-12-14 Akim Demaille <akim@epita.fr>
21164 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
21165 Provide a default definition.
21166 Use it when executing the default @ action.
21167 * src/reader.c (reader_output_yylsp): No longer include
21168 `timestamp' and `text' in the default YYLTYPE.
21170 2000-12-12 Akim Demaille <akim@epita.fr>
21172 * src/reader.c (copy_definition, parse_union_decl, copy_action)
21173 (copy_guard): Quote the file names.
21174 Reported by Laurent Mascherpa.
21176 2000-12-12 Akim Demaille <akim@epita.fr>
21178 * src/output.c (output_headers, output_program, output): Be sure
21179 to escape special characters when outputting filenames.
21180 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
21181 (output_headers): Don't depend on them, Use ACTSTR.
21183 2000-11-17 Akim Demaille <akim@epita.fr>
21185 * lib/obstack.h: Formatting changes.
21186 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
21187 prevents type checking.
21188 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
21189 cast the value to (void *): assigning a `foo *' to a `void *'
21191 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
21192 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
21195 2000-11-17 Akim Demaille <akim@epita.fr>
21197 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
21199 (suite.m4, regression.m4, calc.m4): these.
21200 * tests/atgeneral.m4: Update from CVS Autoconf.
21202 2000-11-17 Akim Demaille <akim@epita.fr>
21204 * tests/regression.m4 (%union and --defines): New test,
21205 demonstrating a current bug in the obstack implementation.
21207 2000-11-17 Akim Demaille <akim@epita.fr>
21209 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
21211 Use them to declare the variables which are global or local to
21214 2000-11-17 Akim Demaille <akim@epita.fr>
21216 * acconfig.h: Remove, no longer used.
21218 2000-11-07 Akim Demaille <akim@epita.fr>
21220 * src: s/Copyright (C)/Copyright/g.
21222 2000-11-07 Akim Demaille <akim@epita.fr>
21224 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
21226 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
21228 2000-11-07 Akim Demaille <akim@epita.fr>
21230 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
21231 Merge in a single CPP if/else.
21233 2000-11-07 Akim Demaille <akim@epita.fr>
21235 * src/output.c (output): Remove useless variables.
21236 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
21237 argument `data' for consistency with the prototypes.
21238 Qualify it `const'.
21239 (obstack_copy, obstack_copy0): Rename the second argument as
21240 `address' for consistency. Qualify it `const'.
21241 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
21242 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
21243 `const' their input argument (`data' or `address').
21244 Adjust the corresponding macros to include `const' in casts.
21246 2000-11-03 Akim Demaille <akim@epita.fr>
21248 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
21249 s/PFILE1/BISON_HAIRY/.
21250 Adjust dependencies.
21252 2000-11-03 Akim Demaille <akim@epita.fr>
21254 For some reason, this was not applied.
21256 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21257 `unlink': it's no longer used.
21259 2000-11-03 Akim Demaille <akim@epita.fr>
21261 * src/files.c (skeleton_find): New function, eved out of...
21262 (open_files, open_extra_files): here.
21264 2000-11-03 Akim Demaille <akim@epita.fr>
21266 Don't use `atexit'.
21268 * src/files.c (obstack_save): New function.
21269 (done): Rename as...
21270 (output_files): this.
21271 Use `obstack_save'.
21272 * src/main.c (main): Don't use `atexit' to register `done', since
21273 it no longer has to remove tmp files, just call `output_files'
21274 when there are no errors.
21276 2000-11-02 Akim Demaille <akim@epita.fr>
21278 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21279 `unlink': it's no longer used.
21280 * src/files.h: Formatting changes.
21282 2000-11-02 Akim Demaille <akim@epita.fr>
21284 Remove the last uses of mktemp and unlink/delete.
21286 * src/files.c (fdefines, ftable): Removed.
21287 (defines_ostack, table_obstack): New.
21288 Adjust dependencies of the former into uses of the latter.
21289 * src/output.c (output_short_or_char_table, output_short_table):
21290 Convert to using obstacks.
21291 * src/reader.c (copy_comment2): Accept one FILE * and two
21293 (output_token_defines, reader_output_yylsp): Use obstacks.
21294 * src/system.h (obstack_fgrow3): New.
21295 * po/POTFILES.in: Adjust.
21297 2000-11-01 Akim Demaille <akim@epita.fr>
21299 Change each use of `fattrs' into a use of `attrs_obstack'.
21301 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
21302 * src/files.c (fattrs): Remove.
21303 (attrs_obstack): New.
21304 Adjust all dependencies.
21305 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
21307 2000-11-01 Akim Demaille <akim@epita.fr>
21309 Introduce obstacks.
21310 Change each use of `faction' into a use of `action_obstack'.
21312 * lib/obstack.h, lib/obstack.c: New files.
21313 * src/files.c (faction): Remove.
21314 (action_obstack): New.
21315 Adjust all dependencies.
21317 2000-10-20 Akim Demaille <akim@epita.fr>
21319 * lib/quote.h (PARAMS): New macro. Use it.
21321 2000-10-16 Akim Demaille <akim@epita.fr>
21323 * src/output.c (output_short_or_char_table): New function.
21324 (output_short_table, output_token_translations): Use it.
21325 (goto_actions): Use output_short_table.
21327 2000-10-16 Akim Demaille <akim@epita.fr>
21329 * src/symtab.c (bucket_new): New function.
21332 * src/output.c (output_short_table): New argument to display the
21333 comment associated with the table.
21334 Adjust dependencies.
21335 (output_gram): Use it.
21336 (output_rule_data): Nicer output layout for YYTNAME.
21338 2000-10-16 Akim Demaille <akim@epita.fr>
21340 * src/lex.c (read_typename): New function.
21342 * src/reader.c (copy_dollar): Likewise.
21344 2000-10-16 Akim Demaille <akim@epita.fr>
21346 * src/reader.c (copy_comment2): Expect the input stream to be on
21347 the `/' which is suspected to open a comment, instead of being
21348 called after `//' or `/*' was read.
21349 (copy_comment, copy_definition, parse_union_decl, copy_action)
21350 (copy_guard): Adjust.
21352 2000-10-16 Akim Demaille <akim@epita.fr>
21354 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
21355 `read_signed_integer'.
21357 2000-10-16 Akim Demaille <akim@epita.fr>
21359 * src/reader.c (copy_dollar): New function.
21360 (copy_guard, copy_action): Use it.
21362 2000-10-16 Akim Demaille <akim@epita.fr>
21364 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
21365 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
21366 New files, from Fileutils 4.0.27.
21367 * src/main.c (printable_version): Remove.
21368 * src/lex.c, src/reader.c: Use `quote'.
21370 2000-10-04 Akim Demaille <akim@epita.fr>
21372 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
21374 2000-10-04 Akim Demaille <akim@epita.fr>
21376 * doc/bison.texinfo: Various typos spotted by Neil Booth.
21378 2000-10-04 Akim Demaille <akim@epita.fr>
21380 When a literal string is used to define two different tokens,
21381 `bison -v' segfaults.
21382 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
21384 * tests/regression.m4: New file.
21385 Include the core of the sample provided by Piotr Gackiewicz.
21386 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
21389 2000-10-04 Akim Demaille <akim@epita.fr>
21391 * src/reader.c (parse_expect_decl): Keep `count' within the size
21395 2000-10-02 Paul Eggert <eggert@twinsun.com>
21397 * bison.s1 (yyparse): Assign the default value
21398 unconditionally, to avoid a GCC warning and make the parser a
21401 2000-10-02 Akim Demaille <akim@epita.fr>
21403 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
21406 2000-10-02 Akim Demaille <akim@epita.fr>
21408 * src/derives.c, src/print.c, src/reduce.c: To ease the
21409 translation, move some `\n' out of the translated strings.
21411 2000-10-02 Akim Demaille <akim@epita.fr>
21413 The location tracking mechanism is precious for parse error
21414 messages. Nevertheless, it is enabled only when `@n' is used in
21415 the grammar, which is a different issue (you can use it in error
21416 message, but not in the grammar per se). Therefore, there should
21417 be another means to enable it.
21419 * src/getargs.c (getargs): Support `--locations'.
21420 (usage): Report it.
21421 * src/getargs.h (locationsflag): Export it.
21422 * src/lex.c (percent_table): Support `%locations'.
21423 * src/reader.c (yylsp_needed): Remove this variable, now replaced
21424 with `locationsflag'.
21425 * doc/bison.texinfo: Document `--locations' and `%locations'.
21427 * tests/calc.m4: Test it.
21429 For regularity of the names, replace each
21430 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
21431 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
21432 In addition replace each `flag' with `_flag'.
21434 2000-10-02 Akim Demaille <akim@epita.fr>
21436 Also test parse error messages, including with YYERROR_VERBOSE.
21438 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
21440 Use it to check the computations.
21441 Use it to check `nonassoc' is honored.
21442 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
21443 `--yyerror-verbose'.
21444 (_AT_CHECK_CALC): Adjust to this option.
21445 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
21447 2000-10-02 Akim Demaille <akim@epita.fr>
21449 Test also `--verbose', `--defines' and `--name-prefix'. Testing
21450 the latter demonstrates a flaw in the handling of non debugging
21451 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
21452 was used in order to simplify:
21468 unfortunately this leads to a CPP conflict when
21469 `--name-prefix=foo' is used since it produces `#define yydebug
21472 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
21473 (YYDPRINTF): New macro.
21475 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
21477 Also test `--verbose', `--defines' and `--name-prefix'.
21479 2000-10-02 Akim Demaille <akim@epita.fr>
21481 Improve the readability of the produced parsers.
21483 * src/bison.s1: Formatting changes.
21484 Improve the comment related to the `$' mark.
21485 (yydefault): Don't fall through to `yyresume': `goto' there.
21486 * src/output.c (output_parser): When the `$' is met, skip the end
21488 New variable, `number_of_dollar_signs', to check there's exactly
21489 one `$' in the parser skeleton.
21491 2000-10-02 Akim Demaille <akim@epita.fr>
21493 * lib/xstrdup.c: New file, from the fileutils.
21494 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
21495 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
21496 instead of strlen + xmalloc + strcpy.
21497 * src/symtab.c (copys): Remove, use xstrdup instead.
21499 2000-10-02 Akim Demaille <akim@epita.fr>
21501 * src/gram.h (associativity): New enum type which replaces the
21502 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
21503 `right_assoc', `left_assoc' and `non_assoc'.
21504 Adjust all dependencies.
21505 * src/reader.c: Formatting changes.
21506 (LTYPESTR): Don't define it, use it as a literal in
21507 `reader_output_yylsp'.
21508 * src/symtab.h (symbol_class): New enum type which replaces the
21509 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
21510 `sunknown', `stoken and `snterm'.
21512 2000-10-02 Akim Demaille <akim@epita.fr>
21514 * src/getargs.c (fixed_outfiles): Rename as...
21515 (yaccflag): for consistency and accuracy.
21516 Adjust dependencies.
21518 2000-10-02 Akim Demaille <akim@epita.fr>
21520 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
21521 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
21522 difficult and introduced a lot of core dump. It turns out that
21523 Bison used an implementation of `xmalloc' based on `calloc', and
21524 at various places it does depend upon the initialization to 0. I
21525 have not tried to isolate the pertinent places, and all the former
21526 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
21527 someone should address this issue.
21529 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
21530 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
21532 Adjust dependencies.
21533 * src/warshall.h: New file.
21536 2000-10-02 Akim Demaille <akim@epita.fr>
21538 Various anti-`extern in *.c' changes.
21540 * src/system.h: Include `assert.h'.
21542 2000-10-02 Akim Demaille <akim@epita.fr>
21544 * src/state.h (nstates, final_state, first_state, first_shift)
21545 (first_reduction): Move their exportation from here...
21546 * src/LR0.h: to here.
21547 Adjust dependencies.
21548 * src/getargs.c (statisticsflag): New variable.
21549 Add support for `--statistics'.
21550 Adjust dependencies.
21552 Remove a lot of now useless `extern' statements in most files.
21554 2000-10-02 Akim Demaille <akim@epita.fr>
21556 * src/LR0.h: New file.
21559 2000-10-02 Akim Demaille <akim@epita.fr>
21561 * src/print.h: New file.
21563 * src/print.c: Formatting and ordering changes.
21564 (verbose, terse): Replace with...
21565 (print_results): this new function.
21566 Adjust dependencies.
21568 2000-10-02 Akim Demaille <akim@epita.fr>
21570 * src/conflicts.c (conflict_report): New function.
21571 (conflict_log, verbose_conflict_log): Replace with...
21572 (print_conflicts): this function.
21573 Adjust dependencies.
21574 * src/conflicts.h: New file.
21575 Propagate its inclusion.
21577 2000-10-02 Akim Demaille <akim@epita.fr>
21579 * src/nullable.h: New file.
21580 Propagate its inclusion.
21581 * src/nullable.c: Formatting changes.
21583 2000-10-02 Akim Demaille <akim@epita.fr>
21585 * src/reduce.h: New file.
21586 Propagate its inclusion.
21587 * src/reduce.c: Topological sort and other formatting changes.
21588 (bool, TRUE, FALSE): Move their definition to...
21589 * src/system.h: here.
21591 2000-10-02 Akim Demaille <akim@epita.fr>
21593 * src/files.c: Formatting changes.
21594 (tryopen, tryclose, openfiles): Rename as...
21595 (xfopen, xfclose, open_files): this.
21596 (stringappend): static.
21597 * src/files.h: Complete the list of exported symbols.
21600 2000-10-02 Akim Demaille <akim@epita.fr>
21602 * src/reader.h: New file.
21603 Propagate its use instead of tedious list of `extern' and
21605 * src/reader.c: Formatting changes, topological sort,
21608 2000-10-02 Akim Demaille <akim@epita.fr>
21610 * src/lex.h: Prototype `lex.c' exported functions.
21611 * src/reader.c: Adjust.
21612 * src/lex.c: Formatting changes.
21613 (safegetc): Rename as...
21616 2000-10-02 Akim Demaille <akim@epita.fr>
21618 * src/lalr.h: New file.
21619 Propagate its inclusion instead of prototypes and `extern'.
21620 * src/lalr.c: Formatting changes, topological sorting etc.
21622 2000-10-02 Akim Demaille <akim@epita.fr>
21624 * src/output.c (token_actions): Introduce a temporary array,
21625 YYDEFACT, that makes it possible for this function to use
21626 output_short_table.
21628 2000-10-02 Akim Demaille <akim@epita.fr>
21630 `user_toknums' is output as a `short[]' in `output.c', while it is
21631 defined as a `int[]' in `reader.c'. For consistency with the
21632 other output tables, `user_toknums' is now defined as a table of
21635 * src/reader.c (user_toknums): Be a short table instead of an int
21637 Adjust dependencies.
21639 Factor the short table outputs.
21641 * src/output.c (output_short_table): New function.
21642 * src/output.c (output_gram, output_stos, output_rule_data)
21643 (output_base, output_table, output_check): Use it.
21645 2000-10-02 Akim Demaille <akim@epita.fr>
21647 * src/output.c (output): Topological sort of the functions, in
21648 order to get rid of the `static' prototypes.
21649 No longer use `register'.
21650 * src/output.h: New file.
21651 Propagate its inclusion in files explicitly prototyping functions
21654 2000-09-21 Akim Demaille <akim@epita.fr>
21656 * src/atgeneral.m4: Update from Autoconf.
21658 2000-09-21 Akim Demaille <akim@epita.fr>
21660 * src/closure.h: New file.
21661 * src/closure.c: Formatting changes, topological sort over the
21662 functions, use of closure.h.
21663 (initialize_closure, finalize_closure): Rename as...
21664 (new_closure, free_closure): these. Adjust dependencies.
21665 * src/LR0.c: Formatting changes, topological sort, use of
21667 (initialize_states): Rename as...
21668 (new_states): this.
21669 * src/Makefile.am (noinst_HEADERS): Adjust.
21671 2000-09-20 Akim Demaille <akim@epita.fr>
21673 * src/acconfig.h: Don't protect config.h against multiple
21675 Don't define PARAMS.
21676 * src/system.h: Define PARAMS.
21677 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
21678 purpose of config.h. system.h must not try to fix wrong
21679 definitions in config.h.
21681 2000-09-20 Akim Demaille <akim@epita.fr>
21683 * src/derives.h: New file.
21684 * src/main.c, src/derives.h: Use it.
21685 Formatting changes.
21686 * src/Makefile.am (noinst_HEADERS): Adjust.
21688 2000-09-20 Akim Demaille <akim@epita.fr>
21690 * tests/atgeneral.m4: Update from Autoconf.
21691 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
21692 (AT_CHECK_CALC): New macros.
21693 Use these macros to test bison with options `', `--raw',
21694 `--debug', `--yacc', `--yacc --debug'.
21696 2000-09-19 Akim Demaille <akim@epita.fr>
21698 * src/output.c: Formatting changes.
21699 * src/machine.h: Remove, leaving its contents in...
21700 * src/system.h: here.
21702 Adjust all dependencies on stdio.h and machine.h.
21703 * src/getargs.h: New file.
21704 Let all `extern' declarations about getargs.c be replaced with
21705 inclusion of `getargs.h'.
21706 * src/Makefile.am (noinst_HEADERS): Adjust.
21708 * tests/calc.m4 (yyin): Be initialized in main, not on the global
21710 (yyerror): Returns void, not int.
21711 * doc/bison.texinfo: Formatting changes.
21713 2000-09-19 Akim Demaille <akim@epita.fr>
21715 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
21718 2000-09-18 Akim Demaille <akim@epita.fr>
21720 * configure.in: Append WARNING_CFLAGS to CFLAGS.
21721 * src/Makefile.am (INCLUDES): Don't.
21722 Be ready to fetch headers in lib/.
21724 2000-09-18 Akim Demaille <akim@epita.fr>
21726 * doc/bison.texinfo: Update the copyright.
21727 ANSIfy and GNUify the examples.
21728 Remove the old menu.
21730 2000-09-18 Akim Demaille <akim@epita.fr>
21732 First set of tests: use the `calc' example from the documentation.
21734 * src/bison.s1 (yyparse): Condition the code using `yytname' which
21735 is defined only when YYDEBUG is.
21736 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
21737 * src/files.c (tryopen, tryclose): Formatting changes.
21738 Move to the top and be static.
21739 * src/reader.c (read_signed_integer): Likewise.
21740 * tests/calc.m4: New file.
21741 * Makefile.am, suite.m4: Adjust.
21742 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
21744 2000-09-18 Akim Demaille <akim@epita.fr>
21746 Add support for an Autotest test suite for Bison.
21748 * m4/m4.m4, m4/atconfig.m4: New files.
21749 * m4/Makefile.am (EXTRA_DIST): Adjust.
21750 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
21752 * src/getargs.c: Display a more standard --version message.
21753 * src/reader.c (reader): Formatting changes.
21754 No longer depend upon VERSION_STRING.
21755 * configure.in: No longer use `dnl'.
21756 Set up the test suite and the new directory `tests/.
21757 (VERSION_STRING): Remove.
21759 2000-04-14 Akim Demaille <akim@epita.fr>
21761 * src/reader.c (copy_comment2): New function, same as former
21762 `copy_comment', but outputs into two FILE *.
21763 (copy_comment): Use it.
21764 (parse_union_decl): Use it.
21765 (get_type, parse_start_decl): Use the same `invalid' message.
21766 (parse_start_decl, parse_union_decl): Use the same `multiple'
21768 (parse_union_decl, copy_guard, copy_action): Use the same
21769 `unmatched' message.
21770 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
21772 2000-03-31 Akim Demaille <akim@epita.fr>
21774 * src/files.c (tryopen, tryclose): Move to the top.
21777 2000-03-31 Akim Demaille <akim@epita.fr>
21779 * src/main.c (main): Don't call `done', exit does it.
21781 2000-03-31 Akim Demaille <akim@epita.fr>
21783 * allocate.c: s/return (foo)/return foo/.
21784 * lalr.c: Likewise.
21786 * output.c: Likewise.
21787 * reader.c: Likewise.
21788 * symtab.c: Likewise.
21789 * vmsgetargs.c: Likewise.
21791 2000-03-31 Akim Demaille <akim@epita.fr>
21793 Clean up the error reporting functions.
21795 * src/report.c: New file.
21796 * src/report.h: Likewise.
21797 * src/Makefile.am: Adjust.
21798 * m4/error.m4: New file.
21799 * m4/Makefile.am: Adjust.
21800 * configure.in (jm_PREREQ_ERROR): Call it.
21801 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
21803 (fatal, fatals): Remove. All callers use complain.c::fatal.
21804 (warn, warni, warns, warnss, warnss): Remove. All callers use
21805 complain.c::complain.
21806 (toomany): Remove, use fatal instead.
21807 * src/files.c (done): No argument, use complain_message_count.
21808 * src/main.c (main): Register `done' to `atexit'.
21810 * src/getargs.c (usage): More `fputs', less `fprintf'.
21812 2000-03-28 Akim Demaille <akim@epita.fr>
21814 * lib/: New directory.
21815 * Makefile.am (SUBDIRS): Adjust.
21816 * configure.in: Adjust.
21817 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
21819 * src/alloca.c: Moved to lib/.
21820 * src/getopt.c: Likewise.
21821 * src/getopt1.c: Likewise.
21822 * src/getopt.h: Likewise.
21823 * src/ansi2knr.c: Likewise.
21824 * src/ansi2knr.1: Likewise.
21825 * src/Makefile.am: Adjust.
21826 * lib/Makefile.am: New file.
21828 2000-03-28 Akim Demaille <akim@epita.fr>
21830 * src/getargs.c (usage): Refresh the help message.
21832 2000-03-17 Akim Demaille <akim@epita.fr>
21834 * src/getopt1.c: Updated from textutils 2.0e
21835 * src/getopt.c: Likewise.
21836 * src/getopt.h: Likewise.
21838 2000-03-17 Akim Demaille <akim@epita.fr>
21840 * src/Makefile.am (bison.simple): Fix the awk program: quote only
21841 the file name, not the whole `#line LINE FILE'.
21843 2000-03-17 Akim Demaille <akim@epita.fr>
21845 On syntax errors, report the token on which we choked.
21847 * src/bison.s1 (yyparse): In the label yyerrlab, when
21848 YYERROR_VERBOSE, add yychar in msg.
21850 2000-03-17 Akim Demaille <akim@epita.fr>
21852 * src/reader.c (copy_at): New function.
21853 (copy_guard): Use it.
21854 (copy_action): Use it.
21856 2000-03-17 Akim Demaille <akim@epita.fr>
21858 Be kind to translators, save some useless translations.
21860 * src/main.c (banner): New function.
21861 (fatal_banner): Use it.
21862 (warn_banner): Use it.
21864 2000-03-17 Akim Demaille <akim@epita.fr>
21866 * src/reader.c (copy_definition): Use copy_string and
21867 copy_comment. Removed now unused `match', `ended',
21869 (copy_comment, copy_string): Moved, to be visible from
21872 2000-03-17 Akim Demaille <akim@epita.fr>
21874 * src/reader.c (copy_string): Declare `static inline'. No
21875 problems with inline, since it is checked by configure.
21876 (copy_comment): Likewise.
21878 2000-03-17 Akim Demaille <akim@epita.fr>
21880 * src/reader.c (packsymbols): Formatting changes.
21882 2000-03-17 Akim Demaille <akim@epita.fr>
21884 * src/reader.c (copy_comment): New function, factored out from:
21885 (copy_action): Use it. Removed now unused `match', `ended',
21887 (copy_guard): Likewise.
21889 2000-03-17 Akim Demaille <akim@epita.fr>
21891 * src/reader.c (copy_string): New function, factored out from:
21892 (copy_action): Use it.
21893 (copy_guard): Likewise.
21895 2000-03-17 Akim Demaille <akim@epita.fr>
21897 Change the handling of @s so that they behave exactly like $s.
21898 There is now a pseudo variable @$ (readble and writable), location
21899 of the lhs of the rule (by default ranging from the location of
21900 the first symbol of the rhs, to the location of the last symbol,
21901 or, if the rhs is empty, YYLLOC).
21903 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
21905 (yyparse): When providing a default semantic action, provide a
21906 default location action.
21907 (after the $): No longer change `*YYLSP', just stack YYLOC the
21908 same way you stack YYVAL.
21909 * src/reader.c (read_declarations): Use warns.
21910 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
21911 (copy_action, case '@'): Likewise.
21912 Use a standard error message, to save useless work from
21915 2000-03-17 Akim Demaille <akim@epita.fr>
21917 * src/bison.s1: Formatting and cosmetics changes.
21918 * src/reader.c: Likewise.
21919 Update the Copyright notice.
21921 2000-03-17 Akim Demaille <akim@epita.fr>
21923 * src/bison.s1 (#line): All set to `#line' only, since the
21924 Makefile now handles them.
21926 2000-03-16 Akim Demaille <akim@epita.fr>
21928 * src/output.c (output_rule_data): Output the documentation of
21929 some of the tables.
21930 (Copyright notice): Update.
21931 Formatting changes.
21933 2000-03-16 Akim Demaille <akim@epita.fr>
21935 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
21936 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
21937 One `#if YYDEBUG' remains, since it uses variables which are
21938 defined only if `YYDEBUG != 0'.
21940 2000-03-16 Akim Demaille <akim@epita.fr>
21942 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
21943 and related variables so that the similarities are highlighted.
21945 2000-03-16 Akim Demaille <akim@epita.fr>
21947 * src/bison.s1: Properly indent CPP directives.
21949 2000-03-16 Akim Demaille <akim@epita.fr>
21951 * src/bison.s1: Properly indent the `alloca' CPP section.
21953 2000-03-16 Akim Demaille <akim@epita.fr>
21955 Do not hard code values of directories in `configure.in'.
21956 Update the `configure' tool chain.
21958 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
21960 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
21961 (AC_OUTPUT): Add m4/Makefile.
21962 Bump to bison 1.28a, 1.29 has never been released.
21963 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
21964 handled via src/Makefile.am.
21965 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
21966 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
21968 * Makefile.am (SUBDIRS): Add m4.
21969 (ACLOCAL_AM_FLAGS): New variable.
21970 (AUTOMAKE_OPTIONS): Add check-news.
21971 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
21972 the proper line number and file name.
21973 (DEFS): Propagate the location of bison library files and of the
21975 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
21977 * acinclude.m4: Remove, replaced by the directory m4.
21978 * m4/Makefile.am (EXTRA_DIST): New variable.
21979 * m4/gettext.m4: New file, from the fileutils.
21980 * m4/lcmessage.m4: Likewise
21981 * m4/progtest.m4: Likewise.
21982 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
21984 2000-03-10 Akim Demaille <akim@epita.fr>
21987 Formatting changes of various comments.
21988 Respect the GNU coding standards at various places.
21989 Don't use `_()' when no translation is needed.
21991 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21994 OS/2 honors TMPDIR environment variable.
21996 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21998 * doc/bison.texinfo: Tweaked spelling and grammar.
22000 Removed reference to price of printed copy.
22001 Mention BISON_SIMPLE and BISON_HAIRY.
22003 1999-12-13 Jesse Thilo <jthilo@gnu.org>
22005 * configure.in, NEWS:
22006 Bison 1.29 released.
22008 1999-10-27 Jesse Thilo <jthilo@gnu.org>
22010 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
22011 Added reference card.
22013 1999-07-26 Jesse Thilo <jthilo@gnu.org>
22015 * po/ru.po: Added Russian translation.
22017 1999-07-26 Jesse Thilo <jthilo@gnu.org>
22019 * configure.in: Added Russian translation.
22021 1999-07-06 Jesse Thilo <jthilo@gnu.org>
22023 * configure.in, NEWS, README:
22024 Released version 1.28.
22026 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22029 Squashed redefinition warning on some systems.
22031 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
22032 Have configure build version string instead of relying on ANSI string
22035 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22037 * po/POTFILES.in: Got rid of version.c.
22039 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22041 * acconfig.h, configure.in:
22042 Have configure build version string instead of relying on ANSI string
22045 1999-06-08 Jesse Thilo <jthilo@gnu.org>
22048 Dropped mention of `+' for long-named options.
22050 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22052 * src/files.c: Added <unistd.h> for unlink().
22054 * src/Makefile.am, src/system.h:
22057 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22059 * README: Added a FAQ list.
22061 * configure.in, acconfig.h:
22064 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22066 * doc/FAQ, doc/Makefile.am:
22069 1999-05-19 Jesse Thilo <jthilo@gnu.org>
22071 * src/alloc.h, src/symtab.h, src/version.c:
22072 Protected inclusion of "config.h" with HAVE_CONFIG_H.
22074 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22076 * src/.cvsignore, src/Makefile.am:
22077 Reorganized: sources in `src', documentation in `doc'.
22079 * src/lex.c (literalchar):
22080 fixed the code for escaping double quotes (thanks
22083 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22085 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
22086 Adjusted paths to reflect directory reorganization.
22088 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22090 * doc/.cvsignore, doc/Makefile.am:
22091 Reorganized: sources in `src', documentation in `doc'.
22093 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22096 Updated AC_INIT file to reflect directory reorganization.
22098 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
22099 Reorganized: sources in `src', documentation in `doc'.
22101 1999-04-13 Jesse Thilo <jthilo@gnu.org>
22104 Don't declare calloc() and realloc() if not necessary.
22106 1999-04-13 Jesse Thilo <jthilo@gnu.org>
22108 * configure.in, acconfig.h, acinclude.m4:
22109 Don't declare calloc() and realloc() if not necessary.
22111 1999-03-23 Jesse Thilo <jthilo@gnu.org>
22113 * po/.cvsignore: Added i18n support.
22115 1999-03-23 Jesse Thilo <jthilo@gnu.org>
22117 * acconfig.h, configure.in, Makefile.am:
22118 Added i18n support.
22120 1999-03-22 Jesse Thilo <jthilo@gnu.org>
22122 * src/bison.s1: Fixed #line numbers.
22124 1999-03-15 Jesse Thilo <jthilo@gnu.org>
22126 * po/es.po, po/fr.po, po/nl.po, po/de.po:
22127 Added PO files from Translation Project.
22129 1999-03-03 Jesse Thilo <jthilo@gnu.org>
22132 Added support for non-ANSI compilers (ansi2knr).
22134 1999-02-16 Jesse Thilo <jthilo@gnu.org>
22136 * configure.in: Bumped version number to 1.27.
22139 Added `bison.simple' to list of files removed by `make distclean'.
22141 1999-02-12 Jesse Thilo <jthilo@gnu.org>
22143 * src/files.c, src/files.h:
22144 Defined locations of parser files in config.h instead of Makefile.
22146 1999-02-12 Jesse Thilo <jthilo@gnu.org>
22148 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
22149 Defined locations of parser files in config.h instead of Makefile.
22151 1999-02-09 Jesse Thilo <jthilo@gnu.org>
22154 Removed inappropriate use of $< macro.
22156 1999-02-05 Jesse Thilo <jthilo@gnu.org>
22158 * po/Makefile.in.in, po/POTFILES.in:
22159 Add `po' directory skeleton.
22161 1999-01-27 Jesse Thilo <jthilo@gnu.org>
22163 * README: Document help-bison list.
22165 * configure.in: Add check for mkstemp().
22167 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22169 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
22170 Hush a few compiler warnings.
22173 Add tryclose(), which verifies that fclose was successful.
22174 Hush a couple of compiler warnings.
22176 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22178 * Makefile.am, OChangeLog:
22179 ChangeLog is now automatically generated. Include the old version as
22182 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22184 * 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:
22185 Update FSF address.
22187 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22189 * doc/bison.texinfo: Fix formatting glitch.
22191 * doc/bison.texinfo: Update FSF address.
22193 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22195 * acconfig.h: Update FSF address.
22197 1999-01-08 Jesse Thilo <jthilo@gnu.org>
22200 Don't define PACKAGE here, since config.h defines it.
22202 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22204 * src/reader.c: Update copyright date.
22207 Ditch sprintf to statically-sized buffers in fatal/warn functions in
22208 favor of output directly to stderr (avoids buffer overruns).
22210 * src/reader.c: Some checks for premature EOF.
22212 * 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:
22213 Use prototypes if the compiler understands them.
22215 * src/files.c: Honor TMPDIR on Unix hosts.
22216 Use prototypes if the compiler understands them.
22219 Fix a couple of buffer overrun bugs.
22220 Use prototypes if the compiler understands them.
22222 * src/system.h: Include unistd.h and ctype.h.
22223 Use #ifdef instead of #if for NLS symbols.
22225 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22227 * doc/bison.texinfo:
22228 Delete comment "consider using @set for edition number, etc..." since
22229 we now are doing so.
22231 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22234 Use prototypes if the compiler understands them.
22236 * NEWS: Document 1.26 highlights.
22238 * Makefile.am: Require Automake 1.3 or later.
22241 Use prototypes if the compiler understands them.
22243 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22246 Use VERSION symbol from automake for version number.
22248 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22250 * acconfig.h, configure.in, version.cin:
22251 Use VERSION symbol from automake for version number.
22253 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22256 Distribute original version of simple parser (bison.s1), not built
22257 version (bison.simple).
22259 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22261 * doc/bison.texinfo: Add info dir entry.
22263 * doc/bison.texinfo:
22264 Let automake put version number into documentation.
22266 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22268 * src/bison.cld, src/build.com, src/vmshlp.mar:
22269 Add non-RCS files from /gd/gnu/bison.
22271 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22274 Document the BISON_HAIRY and BISON_SIMPLE variables.
22276 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22278 * src/version.c: Build version.c automatically.
22281 Fix token numbering (used to start at 258, not 257).
22283 * src/system.h: Include config.h.
22285 * src/getargs.c: Update bug report address.
22287 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
22288 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
22290 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22293 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22295 * configure.in, version.cin:
22296 Build version.c automatically.
22298 * AUTHORS: Add AUTHORS file.
22300 * README: Update bug report address.
22303 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22305 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
22306 Add automake stuff.
22308 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22310 * doc/bison.texinfo: Clean up some formatting.
22312 1998-05-05 Richard Stallman <rms@gnu.org>
22314 * doc/bison.texinfo:
22315 Explain better why to make a pure parser.
22317 1998-01-05 Richard Stallman <rms@gnu.org>
22319 * src/files.c (openfiles):
22320 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
22321 find a temporary directory, if possible. Do not unlink files while
22324 1997-08-25 Richard Stallman <rms@gnu.org>
22326 * src/reader.c (stack_offset;):
22327 Change some warni to warns.
22329 * src/lex.c (literalchar): Use warns, not warni.
22331 1997-06-28 Richard Stallman <rms@gnu.org>
22333 * src/bison.s1: Add a Bison version comment.
22335 * src/main.c (fatal, warn, berror):
22338 1997-06-28 Richard Stallman <rms@gnu.org>
22340 * Makefile.in (bison_version): New variable.
22341 (dist): Use that variable.
22342 (bison.s1): Substitute the Bison version into bison.simple.
22344 * bison.simple: Add a Bison version comment.
22346 1997-06-18 Richard Stallman <rms@gnu.org>
22348 * src/main.c (fatal, warn, berror):
22349 Make error messages standard.
22350 (toomany): Improve error message text.
22352 * 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:
22353 new.h renamed to alloc.h.
22355 1997-06-18 Richard Stallman <rms@gnu.org>
22357 * Makefile.in: new.h renamed to alloc.h.
22359 1997-05-24 Richard Stallman <rms@gnu.org>
22361 * src/lex.c (literalchar):
22362 Fix the code for escaping \, " and '.
22364 (lex): Avoid trouble when there are many chars
22365 to discard in a char literal with just several chars in it.
22367 1997-05-17 Richard Stallman <rms@gnu.org>
22370 Use malloc, if using alloca is troublesome.
22371 (YYSTACK_USE_ALLOCA): New flag macro.
22372 Define it for some systems and compilers.
22373 (YYSTACK_ALLOC): New macro.
22374 (yyparse): Use YYSTACK_ALLOC to allocate stack.
22375 If it was malloc'd, free it.
22377 1997-05-17 Richard Stallman <rms@gnu.org>
22380 Use malloc, if using alloca is troublesome.
22381 (YYSTACK_USE_ALLOCA): New flag macro.
22382 Define it for some systems and compilers.
22383 (YYSTACK_ALLOC): New macro.
22384 (yyparse): Use YYSTACK_ALLOC to allocate stack.
22385 If it was malloc'd, free it.
22387 1997-04-23 Richard Stallman <rms@gnu.org>
22390 (alloca) [__hpux]: Always define as __builtin_alloca.
22392 1997-04-23 Richard Stallman <rms@gnu.org>
22395 (alloca) [__hpux]: Always define as __builtin_alloca.
22397 1997-04-22 Richard Stallman <rms@gnu.org>
22400 [__hpux]: Include alloca.h (right for HPUX 10)
22401 instead of declaring alloca (right for HPUX 9).
22403 * src/bison.s1 (__yy_memcpy):
22404 Declare arg `count' as unsigned int.
22405 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
22407 1997-04-22 Richard Stallman <rms@gnu.org>
22410 [__hpux]: Include alloca.h (right for HPUX 10)
22411 instead of declaring alloca (right for HPUX 9).
22413 * bison.simple (__yy_memcpy):
22414 Declare arg `count' as unsigned int.
22415 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
22417 1997-01-03 Richard Stallman <rms@gnu.org>
22419 * src/allocate.c: [__STDC__ or _MSC_VER]:
22420 Declare calloc and realloc to return void *.
22422 1997-01-02 Richard Stallman <rms@gnu.org>
22425 [_MSC_VER]: Include stdlib.h and process.h.
22426 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
22428 * src/main.c (main): Return FAILURE as a value.
22429 (printable_version): Declare arg as int, not char.
22431 1997-01-02 Richard Stallman <rms@gnu.org>
22433 * Makefile.in (dist):
22434 Explicitly check for symlinks, and copy them.
22436 1996-12-19 Richard Stallman <rms@gnu.org>
22439 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
22441 1996-12-18 Paul Eggert <eggert@gnu.org>
22443 * src/bison.s1 (yyparse):
22444 If __GNUC__ and YYPARSE_PARAM are both defined,
22445 declare yyparse to have a void * argument.
22447 1996-12-18 Paul Eggert <eggert@gnu.org>
22449 * bison.simple (yyparse):
22450 If __GNUC__ and YYPARSE_PARAM are both defined,
22451 declare yyparse to have a void * argument.
22453 1996-12-17 Richard Stallman <rms@gnu.org>
22455 * src/reduce.c (nbits): Add some casts.
22457 1996-08-12 Richard Stallman <rms@gnu.org>
22459 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
22461 1996-08-12 Richard Stallman <rms@gnu.org>
22463 * bison.simple: Test _MSDOS as well as _MSDOS_.
22465 1996-07-31 Richard Stallman <rms@gnu.org>
22468 [__sun && __i386]: Include alloca.h.
22470 1996-07-31 Richard Stallman <rms@gnu.org>
22473 [__sun && __i386]: Include alloca.h.
22475 1996-07-30 Richard Stallman <rms@gnu.org>
22477 * src/bison.s1: Comment change.
22479 * src/bison.s1: Test _MSDOS_, not MSDOS.
22481 1996-07-30 Richard Stallman <rms@gnu.org>
22483 * bison.simple: Comment change.
22485 * bison.simple: Test _MSDOS_, not MSDOS.
22487 1996-06-01 Richard Stallman <rms@gnu.org>
22489 * 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:
22490 Insert `_' macro around many string constants.
22493 Insert `_' macro around many string constants.
22495 (main): Call setlocale, bindtextdomain and textdomain.
22497 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
22498 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
22499 [ENABLE_NLS]: Include libintl.h.
22500 [ENABLE_NLS] (gettext): Define.
22501 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
22502 (N_, PACKAGE, LOCALEDIR): New macros.
22504 1996-06-01 Richard Stallman <rms@gnu.org>
22506 * POTFILES.in: New file.
22508 * Makefile.in (allocate.o):
22509 Define target explicitly.
22511 * Makefile.in (CFLAGS): Set to @CFLAGS@.
22512 (LDFLAGS): Set to @LDFLAGS@.
22513 (configure): Run autoconf only if preceding `cd' succeeds.
22514 (bison.s1): Redirect output to temporary file then move the
22515 temporary to the target, rather than redirecting directly to bison.s1.
22516 (clean): Remove config.status and config.log.
22517 (distclean): Don't remove config.status here.
22519 1996-05-12 Richard Stallman <rms@gnu.org>
22522 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22524 1996-05-12 Richard Stallman <rms@gnu.org>
22527 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22529 1996-05-11 Richard Stallman <rms@gnu.org>
22531 * src/bison.s1 (__yy_memcpy):
22532 Really reorder the args, as was supposedly done on Feb 14 1995.
22533 (yyparse): Calls changed accordingly.
22535 1996-05-11 Richard Stallman <rms@gnu.org>
22537 * Makefile.in (dist): Don't use $(srcdir).
22539 * bison.simple (__yy_memcpy):
22540 Really reorder the args, as was supposedly done on Feb 14 1995.
22541 (yyparse): Calls changed accordingly.
22543 1996-01-27 Richard Stallman <rms@gnu.org>
22545 * src/output.c (output_rule_data):
22546 Test YYERROR_VERBOSE in the conditional
22547 around the definition of ttyname.
22549 1995-12-29 Richard Stallman <rms@gnu.org>
22552 Fix line numbers in #line commands.
22554 1995-12-29 Richard Stallman <rms@gnu.org>
22557 Fix line numbers in #line commands.
22559 1995-12-27 Richard Stallman <rms@gnu.org>
22561 * src/bison.s1 (YYPARSE_PARAM_DECL):
22562 In C++, make it always null.
22563 (YYPARSE_PARAM_ARG): New macro.
22564 (yyparse): Use YYPARSE_PARAM_ARG.
22566 1995-12-27 Richard Stallman <rms@gnu.org>
22568 * bison.simple (YYPARSE_PARAM_DECL):
22569 In C++, make it always null.
22570 (YYPARSE_PARAM_ARG): New macro.
22571 (yyparse): Use YYPARSE_PARAM_ARG.
22573 1995-11-29 Richard Stallman <rms@gnu.org>
22575 * doc/bison.texinfo:
22576 Describe literal string tokens, %raw, %no_lines, %token_table.
22578 1995-11-29 Daniel Hagerty <hag@gnu.org>
22580 * doc/bison.texinfo: Fixed update date
22582 1995-10-16 Richard Stallman <rms@gnu.org>
22584 * src/version.c: Version 1.25.
22586 1995-10-16 Richard Stallman <rms@gnu.org>
22588 * NEWS: *** empty log message ***
22590 1995-10-16 Richard Stallman <rms@gnu.org>
22592 * doc/bison.1, doc/bison.rnh:
22595 1995-10-15 Richard Stallman <rms@gnu.org>
22597 * src/vmsgetargs.c, src/getargs.c:
22598 Added -n, -k, and -raw switches.
22599 (noparserflag, toknumflag, rawtoknumflag): New variables.
22601 * src/symtab.h (SALIAS):
22602 New #define for adding aliases to %token.
22603 (struct bucket): Added `alias' field.
22605 * src/reduce.c (reduce_grammar):
22606 Revise error message.
22607 (print_notices): Remove final `.' from error message.
22609 * src/reader.c (reader_output_yylsp):
22611 (readgram): Use `#if 0' around code that accepted %command
22612 inside grammar rules: The documentation doesn't allow it,
22613 and it will fail since the %command processors scan for the next %.
22614 (parse_token_decl): Extended the %token
22615 declaration to allow a multi-character symbol as an alias.
22616 (parse_thong_decl): New function.
22617 (read_declarations): Added %thong declarations.
22618 (read_declarations): Handle NOOP to deal with allowing
22619 % declarations as another means to specify the flags.
22620 (readgram): Allow %prec prior to semantics embedded in a rule.
22621 (skip_to_char, read_declarations, copy_definition)
22622 (parse_token_decl, parse_start_decl, parse_type_decl)
22623 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
22624 (get_type_name, copy_guard, copy_action, readgram)
22625 (get_type, packsymbols): Revised most error messages.
22626 Changed `fatal' to `warnxxx' to avoid aborting for error.
22627 Revised and use multiple warnxxx functions to avoid using VARARGS1.
22628 (read_declarations): Improve the error message for
22629 an invalid character. Do not abort.
22630 (read_declarations, copy_guard, copy_action): Use
22631 printable_version to avoid unprintable characters in printed output.
22632 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
22633 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
22634 Allow the type of a non-terminal can be given
22635 more than once, as long as all specifications give the same type.
22638 (output_headers, output_trailers, output, output_gram)
22639 (output_rule_data): Implement noparserflag variable.
22640 Implement toknumflag variable.
22641 (output): Call reader_output_yylsp to output LTYPESTR.
22643 * src/main.c (main):
22644 If reader sees an error, don't process the grammar.
22645 (fatals): Updated to not use VARARGS1.
22646 (printable_version, int_to_string, warn, warni, warns, warnss)
22647 (warnsss): New error reporting functions. Avoid abort for error.
22650 Added THONG and NOOP for alias processing.
22651 Added SETOPT for the new code that allows setting options with %flags.
22654 Include getopt.h. Add some extern decls.
22655 (safegetc): New function to deal with EOF gracefully.
22656 (literalchar); new function to deal with reading \ escapes.
22657 (lex): Use literalchar.
22658 (lex): Implemented "..." tokens.
22659 (literalchar, lex, parse_percent_token): Made tokenbuffer
22660 always contain the token. This includes growing the token
22661 buffer while reading an integer.
22662 (parse_percent_token): Replaced if-else statement with percent_table.
22663 (parse_percent_token): Added % declarations as another
22664 way to specify the flags -n, -l, and -r. Also added hooks for
22665 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
22666 major changes to files.c.
22667 (lex) Retain in the incoming stream a character following
22669 (skip_white_space, lex): Revised most error messages
22670 and changed fatal to warn to avoid aborting.
22671 (percent_table): Added %thong declarations.
22673 * src/gram.h: Comment changes.
22675 * src/files.c (openfiles, open_extra_files, done):
22677 and actfile file. Handle noparserflag. Both for -n switch.
22679 * src/conflicts.c (resolve_sr_conflict):
22680 Remove use of alloca.
22682 1995-06-01 Jim Meyering <meyering@gnu.org>
22684 * doc/bison.texinfo: *** empty log message ***
22686 1995-05-06 Richard Stallman <rms@gnu.org>
22688 * src/bison.s1: Comment change.
22690 1995-05-06 Richard Stallman <rms@gnu.org>
22692 * bison.simple: Comment change.
22694 1995-05-03 Richard Stallman <rms@gnu.org>
22696 * src/version.c: Version now 1.24.
22698 * src/bison.s1: Change distribution terms.
22700 * src/version.c: Version now 1.23.
22702 1995-05-03 Richard Stallman <rms@gnu.org>
22704 * doc/bison.texinfo:
22705 Rewrite "Conditions for Using Bison".
22706 Update version to 1.24.
22708 1995-05-03 Richard Stallman <rms@gnu.org>
22710 * bison.simple: Change distribution terms.
22712 1995-02-23 Richard Stallman <rms@gnu.org>
22714 * src/files.c: Test __VMS_POSIX as well as VMS.
22716 1995-02-14 Jim Meyering <meyering@gnu.org>
22718 * src/bison.s1 (__yy_memcpy):
22719 Renamed from __yy_bcopy to avoid
22720 confusion. Reverse FROM and TO arguments to be consistent with
22723 1995-02-14 Jim Meyering <meyering@gnu.org>
22725 * bison.simple (__yy_memcpy):
22726 Renamed from __yy_bcopy to avoid
22727 confusion. Reverse FROM and TO arguments to be consistent with
22730 1994-11-10 David J. MacKenzie <djm@gnu.org>
22736 * Makefile.in (DISTFILES): Include NEWS.
22738 * Makefile.in (DISTFILES):
22739 Include install-sh, not install.sh.
22741 * configure.in: Update to Autoconf v2 macro names.
22743 1994-10-05 David J. MacKenzie <djm@gnu.org>
22745 * Makefile.in: fix typo
22747 * Makefile.in (prefix, exec_prefix):
22748 Let configure set them.
22750 1994-09-28 David J. MacKenzie <djm@gnu.org>
22752 * Makefile.in: Set datadir to $(prefix)/share.
22754 1994-09-15 Richard Stallman <rms@gnu.org>
22757 Update copyright notice and GPL version.
22759 1994-09-15 Richard Stallman <rms@gnu.org>
22762 Update copyright notice and GPL version.
22764 1994-07-12 Richard Stallman <rms@gnu.org>
22766 * src/reduce.c, src/reader.c:
22769 1994-05-05 David J. MacKenzie <djm@gnu.org>
22771 * Makefile.in: entered into RCS
22773 1994-03-26 Richard Stallman <rms@gnu.org>
22775 * src/bison.s1: entered into RCS
22777 1994-03-26 Richard Stallman <rms@gnu.org>
22779 * bison.simple: entered into RCS
22781 1994-03-25 Richard Stallman <rms@gnu.org>
22783 * src/main.c: entered into RCS
22785 1994-03-24 Richard Stallman <rms@gnu.org>
22787 * src/conflicts.c: entered into RCS
22789 1994-01-02 Richard Stallman <rms@gnu.org>
22791 * Makefile.in: *** empty log message ***
22793 1993-11-21 Richard Stallman <rms@gnu.org>
22795 * src/bison.s1: *** empty log message ***
22797 1993-11-21 Richard Stallman <rms@gnu.org>
22799 * doc/bison.texinfo: entered into RCS
22801 * doc/bison.texinfo: *** empty log message ***
22803 1993-11-21 Richard Stallman <rms@gnu.org>
22805 * bison.simple: *** empty log message ***
22807 1993-10-25 David J. MacKenzie <djm@gnu.org>
22809 * doc/bison.texinfo: *** empty log message ***
22811 1993-10-19 Richard Stallman <rms@gnu.org>
22813 * src/bison.s1: *** empty log message ***
22815 1993-10-19 Richard Stallman <rms@gnu.org>
22817 * bison.simple: *** empty log message ***
22819 1993-10-14 Richard Stallman <rms@gnu.org>
22821 * src/bison.s1: *** empty log message ***
22823 1993-10-14 Richard Stallman <rms@gnu.org>
22825 * bison.simple: *** empty log message ***
22827 1993-09-14 David J. MacKenzie <djm@gnu.org>
22829 * doc/bison.texinfo: *** empty log message ***
22831 1993-09-13 Noah Friedman <friedman@gnu.org>
22833 * Makefile.in: *** empty log message ***
22835 1993-09-10 Richard Stallman <rms@gnu.org>
22837 * src/conflicts.c: *** empty log message ***
22839 * src/system.h: entered into RCS
22841 1993-09-10 Richard Stallman <rms@gnu.org>
22843 * doc/bison.1: entered into RCS
22845 1993-09-06 Noah Friedman <friedman@gnu.org>
22847 * src/version.c: entered into RCS
22849 1993-09-06 Noah Friedman <friedman@gnu.org>
22851 * Makefile.in: *** empty log message ***
22853 1993-07-30 David J. MacKenzie <djm@gnu.org>
22855 * Makefile.in: *** empty log message ***
22857 1993-07-24 Richard Stallman <rms@gnu.org>
22859 * src/bison.s1: *** empty log message ***
22861 1993-07-24 Richard Stallman <rms@gnu.org>
22863 * bison.simple: *** empty log message ***
22865 1993-07-08 David J. MacKenzie <djm@gnu.org>
22867 * Makefile.in: *** empty log message ***
22869 1993-07-04 Richard Stallman <rms@gnu.org>
22871 * src/bison.s1: *** empty log message ***
22873 1993-07-04 Richard Stallman <rms@gnu.org>
22875 * bison.simple: *** empty log message ***
22877 1993-06-26 David J. MacKenzie <djm@gnu.org>
22879 * src/getargs.c: entered into RCS
22881 1993-06-26 David J. MacKenzie <djm@gnu.org>
22883 * doc/bison.texinfo: *** empty log message ***
22885 * doc/bison.1: New file.
22887 1993-06-25 Richard Stallman <rms@gnu.org>
22889 * src/getargs.c: New file.
22891 1993-06-16 Richard Stallman <rms@gnu.org>
22893 * src/bison.s1: *** empty log message ***
22895 1993-06-16 Richard Stallman <rms@gnu.org>
22897 * bison.simple: *** empty log message ***
22899 1993-06-03 Richard Stallman <rms@gnu.org>
22901 * src/bison.s1: New file.
22903 1993-06-03 Richard Stallman <rms@gnu.org>
22905 * doc/bison.texinfo: *** empty log message ***
22907 1993-06-03 Richard Stallman <rms@gnu.org>
22909 * bison.simple: New file.
22911 1993-05-19 Richard Stallman <rms@gnu.org>
22913 * doc/bison.texinfo: New file.
22915 1993-05-07 Noah Friedman <friedman@gnu.org>
22917 * Makefile.in: *** empty log message ***
22919 1993-04-28 Noah Friedman <friedman@gnu.org>
22921 * src/reader.c: *** empty log message ***
22923 1993-04-23 Noah Friedman <friedman@gnu.org>
22925 * src/alloc.h: entered into RCS
22927 1993-04-20 David J. MacKenzie <djm@gnu.org>
22929 * src/version.c: *** empty log message ***
22931 * src/files.c, src/allocate.c:
22934 * src/reader.c: *** empty log message ***
22936 * src/lex.c: entered into RCS
22938 * src/conflicts.c: New file.
22940 * src/symtab.c: entered into RCS
22942 * src/alloc.h: New file.
22944 * src/LR0.c: entered into RCS
22946 1993-04-18 Noah Friedman <friedman@gnu.org>
22948 * src/reader.c: New file.
22950 * src/version.c: *** empty log message ***
22952 1993-04-18 Noah Friedman <friedman@gnu.org>
22954 * Makefile.in: *** empty log message ***
22956 1993-04-17 Noah Friedman <friedman@gnu.org>
22958 * Makefile.in: *** empty log message ***
22960 1993-04-15 Richard Stallman <rms@gnu.org>
22962 * src/main.c, src/files.c:
22965 1993-04-15 Noah Friedman <friedman@gnu.org>
22967 * configure.in: entered into RCS
22969 * configure.in: *** empty log message ***
22971 * configure.in: New file.
22973 1993-04-14 Richard Stallman <rms@gnu.org>
22975 * Makefile.in: New file.
22977 1993-04-13 Richard Stallman <rms@gnu.org>
22979 * src/version.c: New file.
22981 1993-03-25 Richard Stallman <rms@gnu.org>
22983 * src/output.c: entered into RCS
22985 1992-09-25 Richard Stallman <rms@gnu.org>
22987 * configure.bat: entered into RCS
22989 1992-06-22 Richard Stallman <rms@gnu.org>
22991 * src/vmsgetargs.c: entered into RCS
22993 1992-06-22 Richard Stallman <rms@gnu.org>
22995 * doc/bison.rnh: entered into RCS
22997 1992-04-20 David J. MacKenzie <djm@gnu.org>
22999 * README: entered into RCS
23001 1992-01-22 Richard Stallman <rms@gnu.org>
23003 * src/machine.h: entered into RCS
23005 1991-12-21 Richard Stallman <rms@gnu.org>
23007 * src/lalr.c, src/closure.c:
23010 1991-12-20 Richard Stallman <rms@gnu.org>
23012 * src/state.h: entered into RCS
23014 1991-12-18 Richard Stallman <rms@gnu.org>
23016 * src/print.c, src/nullable.c, src/derives.c:
23019 1991-11-03 David J. MacKenzie <djm@gnu.org>
23021 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
23024 1988-09-09 Richard Stallman <rms@gnu.org>
23026 * src/bison.hairy: entered into RCS
23028 1987-12-16 Richard Stallman <rms@gnu.org>
23030 * REFERENCES: entered into RCS
23035 Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,
23036 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
23037 Free Software Foundation, Inc.
23039 Copying and distribution of this file, with or without
23040 modification, are permitted provided the copyright notice and this
23041 notice are preserved.