1 2009-02-19 Akim Demaille <demaille@gostai.com>
4 * data/variant.hh: New, extracted from...
7 * data/local.mk: Adjust.
9 2009-02-19 Akim Demaille <demaille@gostai.com>
11 Extract stack.hh from lalr1.cc.
13 * data/lalr1.cc: Extract from here.
14 * data/local.mk: Adjust.
16 2009-02-03 Joel E. Denny <jdenny@ces.clemson.edu>
18 Add reminder about uploading public key to keys.gnupg.net.
19 * HACKING (Release Procedure): Here.
21 2009-01-28 Akim Demaille <demaille@gostai.com>
23 * NEWS: Update information about 2.4.1 and 2.4.2.
25 2008-11-04 Akim Demaille <demaille@gostai.com>
28 * NEWS: Use more outline-mode markup.
29 Suggested by Jim Meyering.
31 2009-01-08 Akim Demaille <demaille@gostai.com>
33 Fix grep portability issues.
34 Grep on Solaris does not support -q.
35 Reported by Summum Bonum.
37 * NEWS: Add a stub for 2.4.2.
38 * THANKS: Add Summum Bonum.
39 * tests/atlocal.in (EGREP): New.
40 (CC, CXX, XSLTPROC): Make it possible to override them via
42 * tests/java.at: Use $EGREP instead of egrep.
43 Use AT_CHECK's ignore instead of grep's -q.
45 2008-12-11 Akim Demaille <demaille@gostai.com>
47 Pass the token type to yysyntax_error.
48 * data/yacc.c (yysyntax_error): Take the transated token instead
53 2008-12-11 Akim Demaille <demaille@gostai.com>
56 * data/glr.c: Formatting changes.
58 2008-12-11 Akim Demaille <demaille@gostai.com>
60 Propagate i18n changes into glr.c.
62 * data/glr.c (yyreportSyntaxError): Use "switch" instead of
63 building the error message format dynamically.
64 * data/lalr1.java: Formatting changes.
66 2008-12-11 Akim Demaille <demaille@gostai.com>
69 * tests/local.mk: Replace "cd && testsuite" by "testsuite -C".
70 Solves problems when top_srcdir is an absolute path.
71 Suggested by Eric Blake.
72 * configure.ac: Require Autoconf 2.62.
74 2008-12-11 Akim Demaille <demaille@gostai.com>
76 Simplify the i18n of the error messages.
77 * data/lalr1.cc: Comment changes.
78 * data/yacc.c (yysyntax_error): Rewrite, using a switch as in
79 lalr1.cc instead of building dynamically the format string.
81 2008-12-08 Akim Demaille <demaille@gostai.com>
83 Fix portability issue in the test suite.
84 * tests/local.at (AT_MATCHES_CHECK): New.
85 Based on Perl instead of Sed. Sed has too many portability
86 pitfalls, not ever Sed is GNU Sed.
87 * tests/actions.at (Fix user actions without a trailing semicolon):
90 2008-12-08 Akim Demaille <demaille@gostai.com>
93 * data/README: Document glr.cc, lalr1.java, m4sugar and xslt.
95 2008-12-08 Akim Demaille <demaille@gostai.com>
97 Install autoconf as a submodule to get m4sugar.
98 * .gitmodules: Add submodules/autoconf.
99 * data/m4sugar/foreach.m4, data/m4sugar/m4sugar.m4: Now links into
102 2008-12-08 Akim Demaille <demaille@gostai.com>
104 Test token.prefix in all the skeletons.
105 * data/java.m4 (b4_token_enum): Use the token.prefix.
106 * tests/local.at (AT_BISON_OPTION_PUSHDEFS): Define AT_TOKEN_PREFIX.
107 * tests/calc.at (_AT_DATA_CALC_Y): Use it.
108 Add checks for yacc.c, glr.c, lalr1.cc and glr.cc.
109 * tests/java.at: Comment changes.
110 (AT_CHECK_JAVA_MINIMAL): Define the END token.
111 (Java parser class and package names): Add token.prefix check.
113 2008-12-08 Akim Demaille <demaille@gostai.com>
115 Fix regeneration of atconfig.
116 * tests/local.mk (tests/atconfig): The rule was incorrect, but
117 remove it: now that there is no tests/Makefile.am, the top-level
118 Makefile properly updates atconfig when needed.
120 2008-12-07 Di-an Jan <dianj@freeshell.org>
122 Implement the FIXME that ends an user action with a semicolon
123 if it seems necessary.
124 * src/scan-code.l (flex rules section): Flag cpp directive from
125 any `#' to the first unescaped end-of-line. Semicolon is not
126 needed after `;', `{', '}', or cpp directives and is needed after
127 any other token (whitespaces and comments have no effect).
128 * tests/actions.at (Fix user actions without a trailing semicolon):
130 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add semicolons to
131 to make user actions complete statements.
132 Adjust column numbers in error messages.
133 * tests/regression.at (Fix user actions without a trailing semicolon):
134 Remove. Covered by new test.
136 2008-12-07 Akim Demaille <demaille@gostai.com>
139 * gnulib: Update from master.
141 2008-12-05 Eric Blake <ebb9@byu.net>
143 Avoid compiler warning.
144 * src/output.c (muscle_insert_item_number_table): Delete unused
147 2008-12-02 Eric Blake <ebb9@byu.net>
149 Build testsuite with newer autoconf.
150 * tests/output.at (m4_expand): Don't override in newer autoconf,
151 where the underlying implementation changed.
152 * tests/cxx-type.at (_AT_RESOLVED_GLR_OUTPUT)
153 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT)
154 (_AT_AMBIG_GLR_OUTPUT_WITH_LOC, _AT_GLR_STDERR)
155 (_AT_VERBOSE_GLR_STDERR): Expand to double-quoted strings,
156 since some of them contain unbalanced ')'.
158 2008-12-01 Akim Demaille <demaille@gostai.com>
160 Use b4_symbol for printers and destructors everywhere.
161 * data/bison.m4 (b4_symbol_action_location): New.
162 * data/c.m4 (b4_symbol_actions): Remove.
163 Adjust all callers to use by b4_symbol_foreach and the corresponding
164 b4_symbol_printer/destructor macro.
165 * data/glr.cc: Adjust.
166 * data/lalr1.java: Adjust the %destructor sanity check.
167 * src/output.c (symbol_code_props_output): Remove, we no longer
168 need the b4_symbol_printers/destructors tables.
170 2008-12-01 Akim Demaille <demaille@gostai.com>
173 * data/lalr1.cc, data/bison.m4 (b4_symbol_action): Use
176 2008-12-01 Akim Demaille <demaille@gostai.com>
178 Move b4_symbol based macro to bison.m4.
179 * data/lalr1.cc (b4_symbol_, b4_symbol, b4_symbol_if)
180 (b4_symbol_action, b4_symbol_destructor, b4_symbol_printer)
181 (b4_symbol_case_, b4_symbol_foreach, b4_type_action_)
182 (b4_type_foreach): Move to...
183 * data/bison.m4: Here.
184 * data/lalr1.cc (b4_symbol_action): Specialize for C++: use
185 b4_symbol_value_template instead of b4_symbol_value.
187 2008-12-01 Akim Demaille <demaille@gostai.com>
189 b4_symbol/type_foreach.
190 * data/lalr1.cc (b4_symbol_foreach, b4_type_foreach): New.
193 2008-12-01 Akim Demaille <demaille@gostai.com>
195 Use the symbol properties to output the printer/destructor for lalr1.cc.
196 Instead of defining complex list of tuples to define various
197 properties of the symbols, we now prefer to define symbols as
198 "structs" in m4: using the symbol key (its number), and the
199 property name, b4_symbol gives it value. Use this to handle
200 destructors and printers.
202 * src/output.c (CODE_PROP): New.
203 (prepare_symbol_definitions): Use it to define the printer and
204 destructor related attributes of the symbols.
205 * data/lalr1.cc (b4_symbol_actions): Rename as...
206 (b4_symbol_action): this.
207 Use b4_symbol instead of 6 arguments.
208 (b4_symbol_printer, b4_symbol_destructor): New.
209 Use them instead of b4_symbol_actions.
211 2008-12-01 Akim Demaille <demaille@gostai.com>
213 Avoid capturing variables too easily.
214 * src/muscle_tab.h (MUSCLE_INSERT_BOOL, MUSCLE_OBSTACK_SGROW): Use
215 v__ and p__ instead of v and p.
217 2008-12-01 Akim Demaille <demaille@gostai.com>
219 Remove spurious empty line before syncline.
220 * data/bison.m4 (b4_syncline): Don't output an empty line before
223 2008-11-26 Akim Demaille <demaille@gostai.com>
225 Convert lib/Makefile.am into lib/local.mk.
226 The real problem is rather gnulib.mk, which itself is extracted
227 from a Makefile.am that gnulib expects to the "recursive". The
228 tool prefix-gnulib-mk converts such a gnulib.mk to be
229 non-recursive. Also, some AC_SUBST variables need to be adjusted.
231 * etc/prefix-gnulib-mk: New.
232 * bootstrap (slurp): Use it to convert further gnulib.mk.
233 No longer try to avoid re-creation of lib/gnulib.mk as the changes
235 * lib/Makefile.am: Rename as...
236 * lib/local.mk: this.
237 Adjust to be prefixed.
238 * Makefile.am, configure.ac: Adjust.
239 * src/local.mk (AM_CPPFLAGS): Extend it, don't define it.
241 2008-11-26 Akim Demaille <demaille@gostai.com>
244 * tests/local.mk (TESTSUITE_FLAGS, AUTOTEST_FLAGS): Rename as...
245 (TESTSUITEFLAGS, AUTOTESTFLAGS): these to compy with the GCS.
246 Reported by Eric Blake.
248 2008-11-26 Akim Demaille <demaille@gostai.com>
250 Use b4_parser_tables_define in glr.cc.
251 * data/glr.c: Use b4_parser_tables_define instead of defining the
252 (deterministic integral) tables by hand.
254 2008-11-26 Akim Demaille <demaille@gostai.com>
256 Use b4_parser_tables_define in Java.
257 * data/java.m4 (b4_typed_parser_table): Rename as...
258 (b4_typed_parser_table_define): this, for consistency.
259 Accept a comment as $4.
261 (b4_integral_parser_table): Rename as...
262 (b4_integral_parser_table_define): this.
263 * data/lalr1.java: Adjust all uses.
264 Use b4_parser_tables_define instead of generation by hand.
266 2008-11-26 Akim Demaille <demaille@gostai.com>
268 Prepare the convergence bw C style and Java table generation.
269 * data/bison.m4 (b4_tables_map, b4_tables_declare)
270 (b4_tables_define): Rename as...
271 (b4_integral_parser_tables_map, b4_parser_tables_declare)
272 (b4_parser_tables_define): these.
273 * data/c.m4 (b4_table_define): Rename as...
274 (b4_integral_parser_table_define): this.
275 * data/lalr1.cc: Adjust.
276 (b4_table_define, b4_table_declare): Rename as...
277 (b4_integral_parser_table_define)
278 (b4_integral_parser_table_declare): these.
279 (yyrline_): Move the comment where it is actually used.
280 * data/yacc.c: Adjust.
281 (yyrline): Use b4_integral_parser_table_define.
283 2008-11-26 Akim Demaille <demaille@gostai.com>
286 * src/parse-gram.h, src/parse-gram.c: Regen.
288 2008-11-26 Akim Demaille <demaille@gostai.com>
290 Factor the generation of the (integral) tables bw yacc.c and lalr1.cc.
291 * data/lalr1.cc (b4_tables_map): Move to...
292 * data/bison.m4: here.
293 Update the comment for yytable during the flight.
294 (b4_tables_declare, b4_tables_define): New.
295 * data/lalr1.cc: Use them.
296 * data/c.m4 (b4_table_define): New.
297 * data/yacc.c: Use b4_tables_define instead of output the tables
299 * tests/regression.at (Web2c Actions): Adjust the expected output,
300 the order of the tables changed.
302 2008-11-26 Akim Demaille <demaille@gostai.com>
304 Get rid of (yy)rhs and (yy)prhs.
305 These tables are no longer needed in the parsers, and they don't seem to
306 be useful. They are not documented either.
308 * src/output.c (prepare_rules): Get rid of rhs and prhs.
309 Adjust the computation of (yy)r2.
311 2008-11-26 Akim Demaille <demaille@gostai.com>
313 Rule length is unsigned.
314 * src/gram.h, src/gram.c (rule_rhs_length): Return a size_t.
316 2008-11-26 Akim Demaille <demaille@gostai.com>
318 Get rid of lalr1-split.cc.
319 It was no longer maintainer.
321 * data/lalr1-split.cc: Remove.
322 * etc/bench.pl.in (bench_fusion_parser): Remove.
325 2008-11-26 Akim Demaille <demaille@gostai.com>
327 Use yy* consistently.
328 * data/glr.c: Now that yyrhs no longer exists as a global
329 variable, rename local "rhs" variables into "yyrhs" for
332 2008-11-25 Akim Demaille <demaille@gostai.com>
334 Get rid of yyrhs and yyprhs in glr.c.
335 * data/glr.c (yyrhs, yyprhs): Remove.
336 Instead, use the state stack and yystos.
338 2008-11-25 Akim Demaille <demaille@gostai.com>
341 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): If glr, declare it
342 as an Autotest keyword.
344 2008-11-25 Akim Demaille <demaille@gostai.com>
346 Prefer TESTSUITE_FLAGS.
347 TESTSUITEFLAGS is barely readable.
349 * tests/local.mk (TESTSUITE_FLAGS): Default to $(TESTSUITEFLAGS)
350 for backward compatibility.
351 Use the former instead of the latter.
353 2008-11-25 Akim Demaille <demaille@gostai.com>
355 Get rid of yyrhs and yyprhs in larl1.java.
356 * data/lalr1.java (yyrhs_, yyprhs_): Remove.
357 (yy_reduce_print): Rather, use yystos_ and the state stack.
359 2008-11-25 Akim Demaille <demaille@gostai.com>
363 2008-11-25 Akim Demaille <demaille@gostai.com>
365 Get rid of yyrhs and yyprhs in yacc.c.
366 They were used to get the symbol types, given a rule number, when
367 displaying the top of the stack before a reduction. But the
368 symbol type is available from the state stack. This has two be
369 benefits: two tables less in the parser (making it smaller), and a
370 more consistent use of the three stacks which will help to fuse
373 * data/yacc.c (yyprhs, yyrhs): Remove.
374 (YY_REDUCE_PRINT): Pass yyssp to yy_reduce_print.
375 (yy_reduce_print): Take yyssp as argument.
376 Use it, together with yystos, to get the symbol type.
377 * tests/regression.at (Web2c Report): Remove these tables from the
380 2008-11-25 Akim Demaille <demaille@gostai.com>
383 The point is to factor the generation of the tables across skeletons.
384 This is language dependant.
386 * data/c.m4 (b4_comment_): New.
387 Should be usable to define how to generate tables independently of
390 (b4_comment): Bounce to b4_c_comment.
391 Now support $2 = [PREFIX] for indentation.
392 * data/lalr1.cc (b4_table_declare): Don't output a comment if
394 Indent it properly when there is one.
395 Output the ending semicolon.
396 (b4_table_define): Space changes.
397 Output the ending semicolon.
398 (b4_tables_map): New.
399 Use it twice instead of declaring and defining the (integral)
402 2008-11-25 Akim Demaille <demaille@gostai.com>
405 * data/lalr1.cc (b4_table_declare): New.
406 Use it to declare the tables defined with b4_table_define.
407 (b4_table_define): Declare a third arg to match b4_table_declare
409 Move all the comments around invocations of b4_table_define into
410 the invocations itselves.
411 Move things around to have the order for declarations and
414 2008-11-25 Akim Demaille <demaille@gostai.com>
417 * data/lalr1.java: here.
419 2008-11-25 Akim Demaille <demaille@gostai.com>
421 b4_args is more general than only C++.
422 * data/lalr1.cc (b4_args, _b4_args): Move to...
423 * data/bison.m4: here.
425 2008-11-21 Di-an Jan <dianj@freeshell.org>
427 Implement no-XXX arguments for --warnings, --report, --trace.
428 * src/getargs.c (flags_argmatch): Handles no-XXX.
429 Fix typo in doxygen comment.
431 2008-11-21 Akim Demaille <demaille@gostai.com>
433 Display the changes in cross-options.texi.
434 * build-aux/cross-options.pl ($sep): New, to separate items.
435 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): Use diff to display the
438 2008-11-20 Di-an Jan <dianj@freeshell.org>
440 Improves options in the manual.
441 * doc/bison.texinfo (-g, -x): Add space before argument.
442 (Option Cross Key): Implement FIXME: listing directives also.
443 * build-aux/cross-options.pl: Read from <STDIN> rather than <>.
444 (Short Option): Special case -d. Put arguments inside @option.
445 (Bison Directive): Add column, automatically extracted from
446 src/scan-gram.l (actual name passed as the first argument)
447 with special case for %define.
448 * doc/local.mk (doc/cross-options.texi): Pass src/scan-gram.l
449 to build-aux/cross-options.pl.
450 * src/getargs.c (usage): Document limitations of cross-options.pl.
451 * src/scan-gram.l: Likewise.
453 2008-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
455 Fix unexpanded macros in GLR defines file.
456 Reported by Csaba Raduly at
457 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00048.html>.
458 * THANKS (Csaba Raduly): Add.
459 * data/glr.c: Fix overquoting on b4_prefix for yylval and yylloc.
460 * tests/calc.at (_AT_DATA_CALC_Y): If %defines is specified, generate
461 lexer in a separate module that includes the defines file.
462 (AT_CHECK_CALC): From AT_FULL_COMPILE, request compilation of lexer
464 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_DEFINES_IF.
465 Adjust AT_LOC and AT_VAL to use AT_NAME_PREFIX.
466 (AT_BISON_OPTION_POPDEFS): Pop AT_DEFINES_IF.
467 (AT_DATA_SOURCE_PROLOGUE): New.
468 (AT_DATA_GRAMMAR_PROLOGUE): Use AT_DATA_SOURCE_PROLOGUE.
469 (AT_DATA_SOURCE): New.
470 (AT_FULL_COMPILE): Extend to support an additional source file.
472 2008-11-18 Akim Demaille <demaille@gostai.com>
475 * TODO: More short term issues.
477 2008-11-18 Akim Demaille <demaille@gostai.com>
480 * src/parse-gram.h, src/parse-gram.c: Regen.
482 2008-11-18 Akim Demaille <demaille@gostai.com>
484 Use b4_subtract where possible.
485 * data/lalr1.cc (b4_subtract): Move to...
486 * data/bison.m4: here.
487 * data/glr.c (b4_rhs_data): Use it.
488 * data/yacc.c (b4_rhs_value, b4_rhs_location): Use it.
490 2008-11-18 Akim Demaille <demaille@gostai.com>
492 Remove incorrect mode specification.
493 * data/glr.cc: Don't pretend it's C code.
495 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
497 Simplify last patch slightly.
498 * src/getargs.c (getargs): Here.
500 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
502 Fix last warning from --enable-gcc-warnings.
503 * src/getargs.c (getargs): Don't assign const address to non-const
506 2008-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
508 Don't let maintainer-*-check targets force a version update.
509 * cfg.mk (_is-dist-target): Implement. maintainer-check* was already
512 2008-11-17 Di-an Jan <dianj@freeshell.org>
514 * doc/bison.texinfo: Synchronize ``Detail Node Listing''.
515 Align menus. Adjust word wrapping. Use node names for menu names.
516 (Examples): Don't abbreviate node names.
517 (LocalWords): Remove abbreviations.
518 (Copying): Make description a sentence.
519 (Java Action Features): Remove period to match the rest of menu.
521 2008-11-17 Di-an Jan <dianj@freeshell.org>
523 Handles several --enable-gcc-warnings.
524 * src/getargs.c (command_line_location): Set parameters to void.
525 * src/output.c (symbol_type_name_cmp): Make static.
526 (symbols_by_type_name): Set parameters to void.
527 (symbol_definitions_output): Remove unused parameter. Rename as...
528 (prepare_symbol_definitions): this.
529 (muscles_output): Move symbol_definitions_output to...
530 (output): here as prepare_symbol_definitions.
531 * tests/c++.at (AT_CHECK_VARIANTS): Remove unused parameters of main.
532 (AT_CHECK_NAMESPACE): Make unused parameter lloc unnamed.
534 2008-11-17 Di-an Jan <dianj@freeshell.org>
536 * tests/c++.at (AT_CHECK_VARIANTS): Fixes tests 198-202.
537 Use AT_DATA_GRAMMAR instead of AT_DATA for compiled tests.
539 2008-11-16 Akim Demaille <demaille@gostai.com>
541 Add missing $(EXEEXT).
542 * doc/local.mk ($(CROSS_OPTIONS_TEXI)): The target is
543 "src/bison$(EXEEXT)".
544 Reported by Di-an Jan.
546 2008-11-15 Akim Demaille <demaille@gostai.com>
550 2008-11-15 Akim Demaille <demaille@gostai.com>
553 * tests/input.at: here.
555 2008-11-15 Akim Demaille <demaille@gostai.com>
557 Remove duplicate header inclusion.
560 2008-11-15 Akim Demaille <demaille@gostai.com>
562 * src/parse-gram.h, src/parse-gram.c: Regen.
564 2008-11-15 Akim Demaille <demaille@gostai.com>
566 Support parametric types.
568 There are two issues to handle: first scanning nested angle
569 bracket pairs to support types such as std::pair< std::string,
570 std::list<std::string> > >.
572 Another issue is to address idiosyncracies of C++: do not glue two
573 closing angle brackets together (otherwise it's operator>>), and
574 avoid sticking blindly a TYPE to the opening <, as it can result
575 in '<:' which is a digraph for '['.
577 * src/scan-gram.l (brace_level): Rename as...
580 Implement support for complex tags.
583 * data/lalr1.cc (b4_symbol_value, b4_symbol_value_template)
584 (b4_symbol_variant): Leave space around types as parameters.
585 * examples/variant.yy: Use nested template types and leading ::.
586 * src/parse-gram.y (TYPE, TYPE_TAG_ANY, TYPE_TAG_NONE, type.opt):
588 (TAG, TAG_ANY, TAG_NONE, tag.opt): these.
589 * tests/c++.at: Test parametric types.
591 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
594 This is not sufficient, but we test at least that the make_SYMBOL
595 interface is not affected by token.prefix. A more general test
596 will be implemented when the support of token.prefix is generalized
599 * tests/c++.at: One more variant test, using token.prefix.
601 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
603 Test the make_TOKEN interface.
604 * tests/c++.at (AT_CHECK_VARIANTS): Require and use locations.
605 Factor the common code in yylex.
606 Use it to test "%define lex_symbol".
608 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
612 2008-11-15 Akim Demaille <akim@betelgeuse.gostai.ensta.fr>
614 Simplify code for variants bench marks.
615 * etc/bench.pl.in (&generate_grammar_list): Define and use
617 Factor the common code in yylex.
619 2008-11-15 Akim Demaille <demaille@gostai.com>
621 Better error message.
622 * bootstrap (find_tool): Fix the error message.
624 2008-11-15 Akim Demaille <demaille@gostai.com>
626 Update variant.yy to newest interface.
627 * examples/variant.yy: Define lex_symbol.
630 2008-11-15 Akim Demaille <demaille@gostai.com>
632 Don't use locations in variant.yy.
633 * examples/variant.yy: Adjust to not using locations.
635 2008-11-15 Akim Demaille <demaille@gostai.com>
638 * data/local.mk, etc/local.mk, examples/local.mk: Use Automake
639 comments for the license.
641 2008-11-15 Akim Demaille <demaille@gostai.com>
643 Remove tests/Makefile.am.
644 * tests/Makefile.am: Rename as...
645 * tests/local.mk: this.
646 * Makefile.am, configure.ac: Adjust.
647 * Makefile.am (DISTCLEANFILES): Define.
648 (maintainer-check, maintainer-xml-check, maintainer-push-check):
649 Remove, we no longer need to bounce to the real targets.
651 2008-11-15 Akim Demaille <demaille@gostai.com>
655 2008-11-15 Akim Demaille <demaille@gostai.com>
658 * Makefile.am (EXTRA_DIST): Move djgpp related part to...
659 * djgpp/local.mk: this new file.
661 2008-11-15 Akim Demaille <demaille@gostai.com>
663 Remove doc/Makefile.am.
664 * doc/Makefile.am: Rename as...
665 * doc/local.mk: this.
667 * Makefile.am, configure.ac: Adjust.
668 * Makefile.am (MOSTLYCLEANFILES): New.
669 * src/local.mk: Adjust.
671 2008-11-15 Akim Demaille <demaille@gostai.com>
673 Move sc_tight_scope into maint.mk.
674 It does not work, and I don't know how it was supposed to work: it
675 seems to be looking for sources in the build tree. I just moved
676 it at a better place, fixing it is still required.
678 * src/local.mk (echo): Remove.
679 (sc_tight_scope): Move to...
682 2008-11-15 Akim Demaille <demaille@gostai.com>
685 * src/parse-gram.h, src/parse-gram.h: Regen.
687 2008-11-15 Akim Demaille <demaille@gostai.com>
689 Remove src/Makefile.am.
690 * src/Makefile.am: Rename as...
691 * src/local.mk: this.
692 Prefix all the paths with src/.
693 (AUTOMAKE_OPTIONS): Build object files in the sub dirs.
694 (AM_CPPFLAGS): Find find in builddir/src.
695 (YACC): Move the flags into...
697 * maint.mk (sc_tight_scope): Disable.
698 It used to bounce to the version in src/Makefile.am which is now
699 part of this very Makefile.
700 * Makefile.am, configure.ac: Adjust.
701 * src/scan-code-c.c, src/scan-code.l: We can no longer rely on
702 include "..." to find files "here": we are no longer in src/, so
703 qualify the includes with src/.
704 * doc/Makefile.am (PREPATH): No longer include the top_builddir
706 (.x.1): Adjust to be able to create src/foo from the top level
707 Makefile, instead of going bounce to src/Makefile the creation of
710 2008-11-15 Akim Demaille <demaille@gostai.com>
712 Remove useless variable.
713 * doc/Makefile.am (srcsrcdir): Remove.
715 2008-11-15 Akim Demaille <demaille@gostai.com>
717 Remove data/Makefile.am.
718 * data/Makefile.am: Rename as...
719 * data/local.mk: this.
721 * Makefile.am, configure.ac: Adjust.
723 2008-11-15 Akim Demaille <demaille@gostai.com>
725 Remove etc/Makefile.am.
726 * etc/Makefile.am: Rename as...
727 * etc/local.mk: this.
729 * Makefile.am, configure.ac: Adjust.
731 2008-11-15 Akim Demaille <demaille@gostai.com>
733 Remove examples/local.mk.
734 examples/calc++/Makefile.am might be interesting to keep as is, since
735 it is an example in itself.
737 * examples/Makefile.am: Rename as...
738 * examples/local.mk: this.
740 * Makefile.am, configure.ac: Adjust.
742 2008-11-15 Akim Demaille <demaille@gostai.com>
744 Remove build-aux/Makefile.am.
745 Recursive Makefiles are really way too slow, let's get rid of some of
748 * build-aux/Makefile.am: Rename as...
749 * build-aux/local.mk: this.
751 * Makefile.am, configure.ac: Adjust.
753 2008-11-15 Akim Demaille <demaille@gostai.com>
755 Provide convenience constructors for locations and positions.
756 * data/location.cc (position::position): Accept file, line and
757 column as arguments with default values.
758 Always qualify initial line and column literals as unsigned.
759 (location::location): Provide convenience constructors.
761 2008-11-15 Akim Demaille <demaille@gostai.com>
763 Instead of using make_symbol<TOK_FOO>, generate make_FOO for each
765 Using template buys us nothing, and makes it uselessly complex to
766 construct a symbol. Besides, it could not be generalized to other
767 languages, while make_FOO would work in C/Java etc.
769 * data/lalr1.cc (b4_symbol_): New.
771 (b4_symbol_constructor_declaration_)
772 (b4_symbol_constructor_definition_): Instead of generating
773 specializations of an overloaded template function, just generate
774 several functions whose names are forged from the token names
775 without the token.prefix.
776 (b4_symbol_constructor_declarations): Generate them for all the
777 symbols, not just by class of symbol type, now that instead of
778 specializing a function template by the token, we generate a
779 function named after the token.
780 (b4_symbol_constructor_specialization_)
781 (b4_symbol_constructor_specializations): Remove.
782 * etc/bench.pl.in: Adjust to this new API.
784 2008-11-13 Akim Demaille <demaille@gostai.com>
786 %define token.prefix.
787 Provide a means to add a prefix to the name of the tokens as
788 output in the generated files. Because of name clashes, it is
789 good to have such a prefix such as TOK_ that protects from names
790 such as EOF, FILE etc. But it clutters the grammar itself.
792 * data/bison.m4 (token.prefix): Empty by default.
793 * data/c.m4 (b4_token_enum, b4_token_define): Use it.
794 * data/lalr1.cc (b4_symbol): Ditto.
796 2008-11-13 Akim Demaille <demaille@gostai.com>
798 Compute at M4 time some of the subtractions.
799 * data/lalr1.cc (b4_subtract): New.
800 (b4_rhs_data): Use it.
802 2008-11-13 Akim Demaille <demaille@gostai.com>
805 This allows the user to get the type of a token returned by yylex.
807 * data/lalr1.cc (symbol::token): New.
808 (yytoknum_): Define when %define lex_symbol, independently of
810 (yytoken_number_): Move into...
811 (symbol::token): here, since that's the only use.
812 The other one is YYPRINT which was not officially supported
813 by lalr1.cc, and anyway it did not work since YYPRINT uses this
814 array under a different name (yytoknum).
816 2008-11-13 Akim Demaille <demaille@gostai.com>
819 * TODO (YYERRCODE): Mention the case of $undef.
821 2008-11-13 Akim Demaille <demaille@gostai.com>
824 * TODO (YYPRINT): New.
826 2008-11-13 Akim Demaille <demaille@gostai.com>
829 * data/lalr1.cc, data/yacc.c: Fix the description of the
830 yytranslate and yytoknum tables.
832 2008-11-13 Akim Demaille <demaille@gostai.com>
834 Define make_symbol in the header.
835 To reach good performances these functions should be inlined (yet
836 this is to measure precisely). To this end they must be available
839 * data/lalr1.cc (b4_symbol_constructor_definition_): Qualify
840 location_type with the class name.
841 Since will now be output in the header, declare "inline".
842 No longer use b4_symbol_constructor_specializations, but
843 b4_symbol_constructor_definitions in the header.
844 Don't call it in the *.cc file.
846 2008-11-13 Akim Demaille <demaille@gostai.com>
848 Define yytranslate in the header for lex_symbol.
849 * data/lalr1.cc: Move the invocation of b4_yytranslate_definition
850 into the header file when using %define lex_symbol.
851 (yytranslate_): Declare inline.
853 2008-11-13 Akim Demaille <demaille@gostai.com>
855 Define the constructors of symbol_type in
856 b4_symbol_constructor_definitions.
857 The constructors are called by the make_symbol functions, which a
858 forthcoming patch will move elsewhere. Hence the interest of
859 putting them together.
861 The stack_symbol_type does not need to be moved, it is used only
864 * data/lalr1.cc: Move symbol_type and symbol_base_type
866 (b4_symbol_constructor_definitions): here.
869 2008-11-13 Akim Demaille <demaille@gostai.com>
871 Make it easier to move the definition of yytranslate_.
872 Forthcoming changes will make it possible to use yytranslate_
873 from outside the parser implementation file.
875 * data/lalr1.cc (b4_yytranslate_definition): New.
878 2008-11-13 Akim Demaille <demaille@gostai.com>
880 Remove useless class specification.
881 * data/lalr1.cc (b4_symbol_constructor_specialization_): No need
882 to refer to the class name to use a type defined by the class for
883 arguments of member functions.
885 2008-11-13 Akim Demaille <demaille@gostai.com>
887 Finer input type for yytranslate.
888 This patch is debatable: the tradition expects yylex to return an int
889 which happens to correspond to token_number (which is an enum). This
890 allows for instance to return characters (such as '*' etc.). But this
891 goes against the stronger typing I am trying to have with the new
892 lex interface which return a symbol_type. So in this case, feed
893 yytranslate_ with a token_type.
895 * data/lalr1.cc (yytranslate_): When in %define lex-symbol,
898 2008-11-13 Akim Demaille <demaille@gostai.com>
900 Honor lex-params in %define lex_symbol mode.
901 * data/lalr1.cc: Use b4_lex_param.
903 2008-11-13 Akim Demaille <demaille@gostai.com>
906 * src/output.c (symbol_definitions_output): Rename symbol
907 attributes type_name and has_type_name as type and has_type.
908 * data/lalr1.cc: Adjust uses.
910 2008-11-13 Akim Demaille <demaille@gostai.com>
912 Use b4_type_names for the union type.
913 The union used to compute the size of the variant used to iterate
914 over the type of all the symbols, with a lot of redundancy. Now
915 iterate over the lists of symbols having the same type-name.
917 * data/lalr1.cc (b4_char_sizeof_): New.
918 (b4_char_sizeof): Use it.
919 Adjust to be called with a list of numbers instead of a single
921 Adjust its caller for new-line issues.
923 2008-11-13 Akim Demaille <demaille@gostai.com>
925 Define the "identifier" of a symbol.
926 Symbols may have several string representations, for instance if
927 they have an alias. What I call its "id" is a string that can be
928 used as an identifier. May not exist.
930 Currently the symbols which have the "tag_is_id" flag set are
931 those that don't have an alias. Look harder for the id.
933 * src/output.c (is_identifier): Move to...
934 * src/symtab.c (is_identifier): here.
935 * src/symtab.h, src/symtab.c (symbol_id_get): New.
936 * src/output.c (symbol_definitions_output): Use it to define "id"
938 Remove the definition of "tag_is_id".
939 * data/lalr1.cc: Use the "id" and "has_id" whereever "tag" and
940 "tag_is_id" were used to produce code.
941 We still use "tag" for documentation.
943 2008-11-11 Akim Demaille <demaille@gostai.com>
945 Locations are no longer required by lalr1.cc.
946 * data/lalr1.cc (_b4_args, b4_args): New.
947 Adjust all uses of locations to make them optional.
948 * tests/c++.at (AT_CHECK_VARIANTS): No longer use the locations.
949 (AT_CHECK_NAMESPACE): Check the use of locations.
950 * tests/calc.at (_AT_DATA_CALC_Y): Adjust to be usable with or
951 without locations with lalr1.cc.
953 * tests/output.at: Check lalr1.cc with and without location
955 * tests/regression.at (_AT_DATA_EXPECT2_Y, _AT_DATA_DANCER_Y):
958 2008-11-11 Akim Demaille <demaille@gostai.com>
961 * tests/local.at (AT_FULL_COMPILE): New.
962 * tests/actions.at, tests/calc.at, tests/regression.at: Use it.
964 2008-11-11 Akim Demaille <demaille@gostai.com>
966 Support parens in calc++.
967 * doc/bison.texinfo (Calc++ Scanner, Calc++ Parser): Support parens.
968 * examples/calc++/test (run): Check the expected output.
972 2008-11-11 Akim Demaille <demaille@gostai.com>
974 Simplify lalr1.cc since %defines is mandatory.
975 * data/lalr1.cc: Remove useless calls to b4_defines_if.
977 2008-11-11 Akim Demaille <demaille@gostai.com>
980 * TODO (yysyntax_error): New item.
982 2008-11-11 Akim Demaille <demaille@gostai.com>
985 * data/lalr1.cc: Use b4_error_verbose_if instead of #if
988 2008-11-11 Akim Demaille <demaille@gostai.com>
990 Support i18n of the parse error messages.
991 * TODO (lalr1.cc/I18n): Remove.
992 * data/lalr1.cc (yysyntax_error_): Support the translation of the
993 error messages, as done in yacc.c.
994 Stay within the yy* pseudo namespace.
996 2008-11-11 Akim Demaille <demaille@gostai.com>
999 * TODO (single stack, yysyntax_error): New.
1001 2008-11-11 Akim Demaille <demaille@gostai.com>
1003 Make it possible to return a symbol_type from yylex.
1004 * data/lalr1.cc (b4_lex_symbol_if): New.
1005 (parse): When lex_symbol is defined, expected yylex to return the
1007 * etc/bench.pl.in (generate_grammar_list): Extend to support this
1009 (bench_variant_parser): Exercise it.
1011 2008-11-11 Akim Demaille <demaille@gostai.com>
1013 Remove useless bench case.
1014 * etc/bench.pl.in (bench_variant_parser): VARIANT_DESTROY is
1017 2008-11-11 Akim Demaille <demaille@gostai.com>
1019 Improve display of directives.
1020 * etc/bench.pl.in (parse_term): Don't add useless eol.
1022 2008-11-11 Akim Demaille <demaille@gostai.com>
1024 Use string_cast in the bench.
1025 * etc/bench.pl.in (generate_grammar_list): Define and use
1028 2008-11-11 Akim Demaille <demaille@gostai.com>
1030 Replace yychar with a Boolean.
1031 * data/lalr1.cc (parse::yychar): Replace by...
1032 (parse::yyempty): this.
1034 2008-11-11 Akim Demaille <demaille@gostai.com>
1039 2008-11-11 Akim Demaille <demaille@gostai.com>
1041 Let yytranslate handle the eof case.
1042 * data/lalr1.cc (yytranslate_): Handle the EOF case.
1044 No longer expect yychar to be equal to yyeof_, rather, test the
1045 lookahead's (translated) kind.
1047 2008-11-11 Akim Demaille <demaille@gostai.com>
1049 yychar cannot be empty in yyerrlab.
1050 * TODO (yychar == yyempty_): New.
1051 * data/lalr1.cc: Remove the handling of this case.
1052 This eases forthcoming changes related to yychar and yytranslate.
1054 2008-11-11 Akim Demaille <demaille@gostai.com>
1056 Bench: syntactic sugar for %define/#define.
1057 * etc/bench.pl.in (parse_dirs): Support %d and #d with arguments.
1058 (&bench_push_parser, bench_variant_parser): Use this feature.
1062 2008-11-11 Akim Demaille <demaille@gostai.com>
1064 Less memory pressure on the "list" bench.
1065 * etc/bench.pl.in (generate_grammar_list): Do not accumulate all
1066 the values, to limit memory pressure.
1068 2008-11-11 Akim Demaille <demaille@gostai.com>
1070 Introduce make_symbol.
1071 make_symbol provides a means to construct a full symbol (kind,
1072 value, location) in a single shot. It is meant to be a Symbol
1073 constructor, parameterized by the symbol kind so that overloading
1074 would prevent incorrect kind/value pairs. Unfortunately
1075 parameterized constructors do not work well in C++ (unless the
1076 parameter also appears as an argument, which is not acceptable),
1077 hence the use of a function instead of a constructor.
1079 * data/lalr1.cc (b4_symbol_constructor_declaration_)
1080 (b4_symbol_constructor_declarations)
1081 (b4_symbol_constructor_specialization_)
1082 (b4_symbol_constructor_specializations)
1083 (b4_symbol_constructor_definition_)
1084 (b4_symbol_constructor_definitions): New.
1085 Use them where appropriate to generate declaration, declaration of
1086 the specializations, and implementations of the templated
1087 overloaded function "make_symbol".
1088 (variant::variant): Always define a default ctor.
1089 Also provide a copy ctor.
1090 (symbol_base_type, symbol_type): New ctor overloads for value-less
1092 (symbol_type): Now public, so that functions such as yylex can use
1095 2008-11-11 Akim Demaille <demaille@gostai.com>
1097 Inform m4 whether a tag is a valid id.
1098 * src/output.c (is_identifier): New.
1099 (symbol_definitions_output): Use it to define tag_is_id.
1100 But maybe this should be done at m4 level?
1102 2008-11-11 Akim Demaille <demaille@gostai.com>
1104 Test 214 was failing: it greps with a pattern containing [ ]*
1105 which obviously meant to catch spaces and tabs, but contained only
1106 spaces. Tabulations in sources are a nuisance, so to simplify the
1107 matter, get rid of all the tabulations in the Java sources. The
1108 other skeletons will be treated equally later.
1110 * data/java.m4, data/lalr1.java: Untabify.
1111 * tests/java.at: Simplify AT_CHECK_JAVA_GREP invocations:
1112 tabulations are no longer generated.
1114 2008-11-11 Paolo Bonzini <bonzini@gnu.org>
1116 * bootstrap.conf: Replace m4/warning.m4 with warnings module.
1117 * configure.ac: Adjust usage.
1118 * lib/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
1119 * src/Makefile.am: Replace $(WARNING_CFLAGS) with $(WARN_CFLAGS).
1120 * tests/atlocal.in: Replace $(WARNING_*FLAGS) with $(WARN_*FLAGS).
1122 2008-11-10 Di-an Jan <dianj@freeshell.org>
1124 Workaround Java's ``code too large'' problem for parser tables
1125 in most cases, by using one function per initialization.
1126 * data/java.m4 (b4_typed_parser_table, b4_integral_parser_table): New.
1127 * data/lalr1.java (yypact_, yydefact_, yypgoto_, yydefgoto_,
1128 yytable_, yycheck_, yystos_, yytoken_number_, yyr1_, yyr2_, yyrhs_
1129 yyprhs_, yyrline_, yytranslate_table_): Use b4_integral_parser_table.
1130 (yytname_): Use b4_typed_parser_table.
1131 * doc/bison.texinfo (Java Bison Interface): Add note on Java's
1132 ``code too large'' error.
1134 2008-11-10 Di-an Jan <dianj@freeshell.org>
1136 * NEWS: Document them.
1138 General Java skeleton improvements.
1139 * configure.ac (gt_JAVACOMP): Request target of 1.4, which allows
1140 using gcj < 4.3 in the testsuite, according to comments in
1141 gnulib/m4/javacomp.m4.
1142 * data/java.m4 (stype, parser_class_name, lex_throws, throws,
1143 location_type, position_type): Remove extraneous brackets from
1144 b4_percent_define_default.
1145 (b4_lex_param, b4_parse_param): Remove extraneous brackets from
1146 m4_define and m4_define_default.
1147 * data/lalr1.java (b4_pre_prologue): Change to b4_user_post_prologue,
1148 which marks the end of user code with appropriate syncline, like all
1149 the other skeletons.
1150 (b4_user_post_prologue): Add. Don't silently drop.
1152 (parse): Inline yylex.
1153 * doc/bison.texinfo (bisonVersion, bisonSkeleton): Document.
1154 (%{...%}): Fix typo of %code imports.
1155 * tests/java.at (AT_JAVA_COMPILE): Add "java" keyword.
1157 Support annotations on parser class with %define annotations.
1158 * data/lalr1.java (annotations): Add to parser class modifier.
1159 * doc/bison.texinfo (Java Parser Interface): Document
1160 %define annotations.
1161 (Java Declarations Summary): Document %define annotations.
1162 * tests/java.at (Java parser class modifiers): Test annotations.
1164 Do not generate code for %error-verbose unless requested.
1165 * data/lalr1.java (errorVerbose): Rename to yyErrorVerbose.
1166 Make private. Make conditional on %error-verbose.
1167 (getErrorVerbose, setErrorVerbose): New.
1168 (yytnamerr_): Make conditional on %error-verbose.
1169 (yysyntax_error): Make some code conditional on %error-verbose.
1170 * doc/bison.texinfo (Java Bison Interface): Remove the parts
1171 about %error-verbose having no effect.
1172 (getErrorVerbose, setErrorVerbose): Document.
1174 Move constants for token names to Lexer interface.
1175 * data/lalr1.java (Lexer): Move EOF, b4_token_enums(b4_tokens) here.
1176 * data/java.m4 (b4_token_enum): Indent for move to Lexer interface.
1177 (parse): Qualify EOF to Lexer.EOF.
1178 * doc/bison.texinfo (Java Parser Interface): Move documentation of
1179 EOF and token names to Java Lexer Interface.
1180 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove Calc qualifier.
1182 Make yyerror public.
1183 * data/lalr1.java (Lexer.yyerror): Use longer parameter name.
1184 (yyerror): Change to public. Add Javadoc comments. Use longer
1185 parameter names. Make the body rather than the declarator
1186 conditional on %locations.
1187 * doc/bison.texinfo (yyerror): Document. Don't mark as protected.
1189 Allow user to add code to the constructor with %code init.
1190 * data/java.m4 (b4_init_throws): New, for %define init_throws.
1191 * data/lalr1.java (YYParser.YYParser): Add b4_init_throws.
1192 Add %code init to the front of the constructor body.
1193 * doc/bison.texinfo (YYParser.YYParser): Document %code init
1194 and %define init_throws.
1195 (Java Declarations Summary): Document %code init and
1196 %define init_throws.
1197 * tests/java.at (Java %parse-param and %lex-param): Adjust grep.
1198 (Java constructor init and init_throws): Add tests.
1200 2008-11-10 Akim Demaille <demaille@gostai.com>
1203 * TODO (-D): is implemented.
1204 (associativity): Same precedence must have the same associativity.
1205 For instance, how can a * b / c be parsed if * is %left and / is
1207 (YYERRORCODE, YYFAIL, YYBACKUP): New.
1209 2008-11-10 Akim Demaille <demaille@gostai.com>
1213 2008-11-10 Akim Demaille <demaille@gostai.com>
1215 More information about the symbols.
1216 * src/output.c (type_names_output): Document all the symbols,
1217 including those that don't have a type-name.
1218 (symbol_definitions_output): Define "is_token" and
1220 * data/lalr1.cc (b4_type_action_): Skip symbols that have an empty
1221 type-name, now that they are defined too in b4_type_names.
1223 2008-11-10 Akim Demaille <demaille@gostai.com>
1227 2008-11-10 Akim Demaille <demaille@gostai.com>
1229 Make parser::yytranslate static.
1230 Small speedup (1%) on the list grammar. And makes yytranslate_
1231 available in non member functions.
1233 * data/lalr1.cc (yytranslate_): Does not need to be a instance
1236 2008-11-10 Akim Demaille <demaille@gostai.com>
1238 Avoid trailing spaces.
1239 * data/c.m4: b4_comment(TEXT): Don't indent empty lines.
1240 * data/lalr1.cc: Don't indent before rule and symbol actions, as
1241 they can be empty, and anyway this incorrectly indents the first
1244 2008-11-10 Akim Demaille <demaille@gostai.com>
1248 2008-11-10 Akim Demaille <demaille@gostai.com>
1250 Use "enum" for integral constants.
1251 This is just nicer to read, I observed no speedup.
1253 * data/lalr1.cc (yyeof_, yylast_, yynnts_, yyempty_, yyfinal_)
1254 (yterror_, yyerrcode_, yyntokens_): Define as members of an enum.
1255 (yyuser_token_number_max_, yyundef_token_): Move into...
1256 (yytranslate_): here.
1258 2008-11-10 Akim Demaille <demaille@gostai.com>
1260 Shortcuts in bench directives.
1261 * etc/bench.pl.in (parse_dirs): New.
1263 (bench_variant_parser, bench_fusion_parser): Use %s and %d.
1264 Create the benches in "benches/".
1266 2008-11-10 Akim Demaille <demaille@gostai.com>
1269 * data/lalr1.cc: here.
1271 2008-11-10 Akim Demaille <demaille@gostai.com>
1273 Adjust verbose message to using emacs.
1274 * etc/bench.pl.in: Inform compilation-mode when we change the
1276 (generate_grammar_list): Recognize %define "variant" in addition
1279 2008-11-10 Akim Demaille <demaille@gostai.com>
1281 Classify symbols by type-name.
1282 * src/uniqstr.h (UNIQSTR_CMP): New.
1283 * src/output.c (symbol_type_name_cmp, symbols_by_type_name)
1284 (type_names_output): New.
1285 (muscles_output): Use it.
1286 * data/lalr1.cc (b4_symbol_action_): Remove.
1287 (b4_symbol_case_, b4_type_action_): New.
1288 Adjust uses of b4_symbol_action_ to use b4_type_action_.
1290 2008-11-10 Akim Demaille <demaille@gostai.com>
1292 Change the handling of the symbols in the skeletons.
1293 Before we were using tables which lines were the symbols and which
1294 columns were things like number, tag, type-name etc. It is was
1295 difficult to extend: each time a column was added, all the numbers had
1296 to be updated (you asked for colon $2, not for "tag"). Also, it was
1297 hard to filter these tables when only a subset of the symbols (say the
1298 tokens, or the nterms, or the tokens that have and external number
1299 *and* a type-name) was of interest.
1301 Now instead of monolithic tables, we define one macro per cell. For
1302 instance "b4_symbol(0, tag)" is a macro name which contents is
1303 self-decriptive. The macro "b4_symbol" provides easier access to
1306 * src/output.c (type_names_output): Remove.
1307 (symbol_numbers_output, symbol_definitions_output): New.
1308 (muscles_output): Call them.
1309 (prepare_symbols): Define b4_symbols_number.
1311 2008-11-10 Akim Demaille <demaille@gostai.com>
1314 * src/getargs.h, src/getargs.c (trace_muscle): New.
1315 (trace_types, trace_args): Support it.
1316 * src/output.c (output_skeleton): Use it.
1318 2008-11-10 Akim Demaille <demaille@gostai.com>
1321 * src/output.c (muscles_output): New, extracted from...
1322 (output_skeleton): here.
1325 2008-11-10 Akim Demaille <demaille@gostai.com>
1329 2008-11-10 Akim Demaille <demaille@gostai.com>
1331 Update the variant example.
1332 * examples/variant.yy: Formatting changes.
1335 2008-11-10 Akim Demaille <demaille@gostai.com>
1337 Support constructor with an argument.
1338 This improves the "list" bench by 2%.
1340 * data/lalr1.cc (variant::build): Add an overloaded version with
1342 * tests/c++.at (AT_CHECK_VARIANT): Check it.
1344 2008-11-10 Akim Demaille <demaille@gostai.com>
1347 * tests/c++.at (AT_CHECK_VARIANTS): New.
1348 Use it with and without %define assert.
1350 2008-11-10 Akim Demaille <demaille@gostai.com>
1352 Add %precedence support.
1353 Unfortunately it is not possible to reuse the %prec directive. This
1354 is because to please POSIX, we do not require to end the rules with a
1355 semicolon. As a result,
1359 is ambiguous: either a rule which precedence is that of baz, or a rule,
1360 and then a declaration of the precedence of the token baz.
1362 * doc/bison.texinfo: Document %precedence.
1363 (Precedence Only): New.
1364 * src/assoc.h, src/assoc.c (precedence_assoc): New.
1365 * src/conflicts.c (resolve_sr_conflict): Support it.
1366 * src/scan-gram.l, src/parse-gram.y (%precedence): New token.
1368 * tests/calc.at: Use %precedence for NEG.
1369 * tests/conflicts.at (%precedence does not suffice)
1370 (%precedence suffices): New tests.
1372 2008-11-09 Akim Demaille <demaille@gostai.com>
1374 Make benches in a sub dirs.
1375 * etc/bench.pl.in ($dir): New.
1377 Check the use of constructors with an argument.
1378 (bench_variant_parser): Fix.
1380 2008-11-09 Akim Demaille <demaille@gostai.com>
1384 2008-11-09 Akim Demaille <demaille@gostai.com>
1388 2008-11-09 Akim Demaille <demaille@gostai.com>
1390 Require the generation of parse-gram.output.
1391 * src/Makefile.am (YACC): Pass --report=all.
1393 2008-11-09 Akim Demaille <demaille@gostai.com>
1397 2008-11-09 Akim Demaille <demaille@gostai.com>
1400 * TODO: Remove obsolete items.
1403 2008-11-09 Akim Demaille <demaille@gostai.com>
1406 * etc/bench.pl.in (parse, parse_expr, parse_term, parse_fact)
1407 (@token, $grammar, $bench): New.
1408 (generate_grammar_variant): Rename as...
1409 (generate_grammar_list): this.
1410 (generate_grammar): Adjust.
1411 (bench_grammar): Rename as...
1413 Use it in the various bench-marking routines.
1414 (-b, -g): New options.
1416 2008-11-09 Akim Demaille <demaille@gostai.com>
1418 Use a static hierarchy for symbols in the C++ parser.
1419 * data/lalr1.cc (symbol_base_type, symbol_type)
1420 (stack_symbol_type): Make it a static hierarchy.
1421 Adjust dependencies.
1423 2008-11-09 Akim Demaille <demaille@gostai.com>
1425 bench.pl -d, --directive.
1426 * etc/bench.pl.in (@directive): New.
1427 (&bench_grammar): Use it.
1428 (&bench_list_grammar): New, to provide access to the "variant"
1431 (getopts): Support -d, --directive.
1433 2008-11-09 Akim Demaille <demaille@gostai.com>
1435 Use inline for small operations.
1436 * data/lalr1.cc (symbol_base_type, symbol_type)
1437 (stack_symbol_type): Declare constructor and other operations as
1439 (yy_destroy_): Inline.
1441 2008-11-09 Akim Demaille <demaille@gostai.com>
1443 Introduce a hierarchy for symbols.
1444 * data/lalr1.cc (symbol_base_type, symbol_type): New.
1445 (data_type): Rename as...
1446 (stack_symbol_type): this.
1447 Derive from symbol_base_type.
1448 (yy_symbol_value_print_): Merge into...
1449 (yy_symbol_print_): this.
1452 (yydestruct_): Rename as...
1453 (yy_destroy_): this.
1454 (b4_symbols_actions, YY_SYMBOL_PRINT): Adjust.
1455 (parser::parse): yyla is now of symbol_type.
1456 Use its type member instead of yytoken.
1458 2008-11-09 Akim Demaille <demaille@gostai.com>
1460 Rename data_type and stack_symbol_type.
1461 * data/lalr1.cc (data_type): Rename as...
1462 (stack_symbol_type): this.
1464 2008-11-09 Akim Demaille <demaille@gostai.com>
1466 Handle semantic value and location together.
1467 * data/lalr1.cc (b4_symbol_actions): Bounce $$ and @$ to
1468 yydata.value and yydata.location.
1469 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_)
1470 (YY_SYMBOL_PRINT): Now take semantic value and location as a
1473 (yydestruct_): New overload for a stack symbol.
1475 2008-11-09 Akim Demaille <demaille@gostai.com>
1477 Push a complete symbol, not connected parts.
1478 * data/lalr1.cc (yypush_): Take a data_type&, not disconnected
1479 state, value and location.
1482 2008-11-09 Akim Demaille <demaille@gostai.com>
1484 Agregate yylval and yylloc.
1485 * data/lalr1.cc (parser::yylval, parser::yylloc): Replace by...
1486 (parser::yyla): this.
1488 2008-11-09 Akim Demaille <demaille@gostai.com>
1490 Rely on the state stack to display reduction traces.
1491 To display rhs symbols before a reduction, we used information
1492 about the rule reduced, which required the tables yyrhs and
1493 yyprhs. Now use rely only on the state stack to get the same
1496 * data/lalr1.cc (b4_rhs_data, b4_rhs_state): New.
1498 (parser::yyrhs_, parser::yyprhs_): Remove.
1499 (parser::yy_reduce_print_): Use the state stack.
1501 2008-11-09 Akim Demaille <demaille@gostai.com>
1503 Fuse yyval and yyloc into yylhs.
1504 * data/lalr1.cc (b4_lhs_value, b4_lhs_location): Adjust to using
1506 (parse): Replace yyval and yyloc with yylhs.value and
1508 After a user action, compute yylhs.state earlier.
1509 (yyerrlab1): Do not play tricks with yylhs.location, rather, use a
1512 2008-11-09 Di-an Jan <dianj@freeshell.org>
1514 Remove unused variable.
1515 * src/output.c (type_names_output): Remove unused variable sep.
1517 2008-11-09 Paolo Bonzini <bonzini@gnu.org>
1519 Change tests/output.at quoting.
1520 * tests/output.at (AT_CHECK_OUTPUT): Use conventional m4 quoting when
1521 expanding arguments.
1523 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1525 Don't add a semicolon to actions for %skeleton or %language.
1526 It breaks Java test cases as reported by Akim Demaille.
1527 * src/scan-code.l: Implement.
1529 2008-11-07 Joel E. Denny <jdenny@ces.clemson.edu>
1531 Clean up %skeleton and %language priority implementation.
1532 * src/getargs.c (skeleton_prio): Use default_prio rather than 2, and
1533 remove static qualifier because others will soon need to see it.
1534 (language_prio): Likewise.
1535 (getargs): Use command_line_prio rather than 0.
1536 * src/getargs.h (command_line_prio, grammar_prio, default_prio): New
1538 (skeleton_prio): Extern it.
1539 (language_prio): Extern it.
1540 * src/parse-gram.y: Use grammar_prio rather than 1.
1542 2008-11-07 Akim Demaille <demaille@gostai.com>
1544 Moving push traces into yypush_.
1545 * data/lalr1.cc (yypush_): Now takes a optional trace message.
1548 2008-11-07 Akim Demaille <demaille@gostai.com>
1550 The single-stack C++ parser is now the standard one.
1551 * data/lalr1.cc: Rename as...
1552 * data/lalr1-split.cc: this.
1553 * data/lalr1-fusion.cc: Rename as...
1554 * data/lalr1.cc: this.
1555 * etc/bench.pl.in: Adjust.
1557 2008-11-07 Akim Demaille <demaille@gostai.com>
1559 Avoid empty-if warnings.
1560 Reported by Quentin Hocquet.
1562 * data/lalr1-fusion.cc (YY_SYMBOL_PRINT, YY_REDUCE_PRINT)
1563 (YY_STACK_PRINT): Provide some contents even when !YYDEBUG.
1565 2008-11-07 Akim Demaille <demaille@gostai.com>
1567 Pass command line location to skeleton_arg and language_argmatch.
1568 * src/getargs.h, src/getargs.c (skeleton_arg, language_argmatch):
1569 The location argument is now mandatory.
1570 Adjust all dependencies.
1571 (getargs): Use command_line_location.
1573 2008-11-07 Akim Demaille <demaille@gostai.com>
1576 * src/getargs.c (usage): Document -D.
1577 Fix help string for --locations.
1578 (command_line_location): New.
1579 (short_options, long_options, getargs): Support -D, --define.
1580 (getargs): Move -d support at the right place.
1581 * doc/bison.texinfo (Bison Options): Update.
1582 * tests/input.at (%define, --define): New.
1584 2008-11-07 Akim Demaille <demaille@gostai.com>
1586 Initialize the muscle table before parsing the command line.
1587 * src/getargs.c (quotearg.h, muscle_tab.h): Include.
1588 (getargs): Define file_name.
1589 * src/main.c (main): Initialize muscle_tab before calling
1591 * src/muscle_tab.c (muscle_init): No longer define file_name, as
1592 its value is not available yet.
1594 2008-11-07 Akim Demaille <demaille@gostai.com>
1596 Locations without columns for command line arguments.
1597 * src/location.c (location_print): Don't display negative columns.
1598 * src/location.h: Document this.
1600 2008-11-07 Akim Demaille <demaille@gostai.com>
1603 * src/getargs.c (usage): Fix help string for -W.
1605 2008-11-07 Akim Demaille <demaille@gostai.com>
1607 Handle more general types of option arguments.
1608 * build-aux/cross-options.pl: The argument ends at the first
1609 space, not the first non-symbol character.
1610 Use @var for each word appearing the argument description.
1612 2008-11-07 Akim Demaille <demaille@gostai.com>
1614 Destroy the variants that remain on the stack in case of error.
1615 * data/lalr1-fusion.cc (yydestruct_): Invoke the variant's
1617 Display the value only if yymsg is nonnull.
1618 (yyreduce): Invoke yydestruct_ when popping lhs symbols.
1620 2008-11-07 Akim Demaille <demaille@gostai.com>
1622 Add "%define assert" to variants.
1623 This is used to help the user catch cases where some value gets
1624 ovewritten by a new one. This should not happen, as this will
1627 Unfortunately this uncovered a bug in the C++ parser itself: the
1628 lookahead value was not destroyed between two calls to yylex. For
1629 instance if the previous lookahead was a std::string, and then an int,
1630 then the value of the std::string was correctly taken (i.e., the
1631 lookahead was now an empty string), but std::string structure itself
1634 This is now done in variant::build(other&) (which is used to take the
1635 value of the lookahead): other is not only stolen from its value, it
1636 is also destroyed. This incurs a new performance penalty of a few
1637 percent, and union becomes faster again.
1639 * data/lalr1-fusion.cc (variant::build(other&)): Destroy other.
1640 (b4_variant_if): New.
1641 (variant::built): New.
1642 Use it whereever the status of the variant changes.
1643 * etc/bench.pl.in: Check the penalty of %define assert.
1645 2008-11-07 Akim Demaille <demaille@gostai.com>
1647 Use "%define variant" in bench.pl.
1648 * etc/bench.pl.in: No longer use the pseudo directive %variants,
1649 just use %define variants.
1651 2008-11-07 Akim Demaille <demaille@gostai.com>
1654 * src/parse-gram.h, src/parse-gram.c: Regen.
1656 2008-11-04 Joel E. Denny <jdenny@ces.clemson.edu>
1658 Fix user actions without a trailing semicolon.
1659 Reported by Sergei Steshenko at
1660 <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
1661 * THANKS (Sergei Steshenko): Add.
1662 * src/scan-code.l (SC_RULE_ACTION): Fix it.
1663 * tests/regression.at (Fix user actions without a trailing semicolon):
1666 2008-11-04 Akim Demaille <demaille@gostai.com>
1668 Use b4_copyright_years.
1669 * data/yacc.c (b4_copyright_years): New.
1670 Fix its value according to the comments in the file.
1671 Use it and undefine it.
1673 2008-11-04 Akim Demaille <demaille@gostai.com>
1676 * data/lalr1-fusion.cc, src/parse-gram.y: here.
1678 2008-11-04 Akim Demaille <demaille@gostai.com>
1681 * data/lalr1-fusion.cc: here.
1683 2008-11-04 Akim Demaille <demaille@gostai.com>
1685 Use strict on bench.pl.
1686 * etc/bench.pl.in (&run, &generate_grammar): New.
1687 Rename the grammar generating functions for consistency.
1688 Change the interface so that the list of benches to run is passed
1689 as (optionless) arguments.
1690 (&compile): Use &run.
1692 2008-11-04 Akim Demaille <demaille@gostai.com>
1694 Remove spurious initial empty lines.
1695 * data/glr.c, data/glr.cc, data/lalr1.cc, data/lalr1.java,
1696 * data/yacc.c: End the @output lines with an @.
1698 2008-11-04 Akim Demaille <demaille@gostai.com>
1700 Improve the display of sizes.
1701 * etc/bench.p.in: Higher precision.
1702 Sort by decreasing size.
1704 2008-11-04 Akim Demaille <demaille@gostai.com>
1706 Don't memcpy C++ structures.
1707 * data/lalr1-fusion.cc (b4_symbol_variant): Adjust additional
1709 (variant::build): New overload for
1710 copy-construction-that-destroys.
1711 (variant::swap): New.
1712 (parser::yypush_): Use it in variant mode.
1714 2008-11-04 Akim Demaille <demaille@gostai.com>
1716 Better defaults for bench.pl.
1717 * etc/bench.pl.in ($verbose, $cflags, $iterations): Change the
1719 Adjust &verbose uses.
1722 2008-11-04 Akim Demaille <demaille@gostai.com>
1724 Make variant.yy more complex.
1725 std::list cannot be copied via memcpy, they are more demanding than
1726 std::string. Use one std::list to strengthen the test.
1728 * examples/variant.yy: Use lalr1-fusion.cc, not lalr1.cc.
1730 Create a list of strings, instead of a single large string.
1732 2008-11-04 Akim Demaille <demaille@gostai.com>
1735 * etc/bench.pl.in (--bench, $bench): New.
1737 2008-11-04 Akim Demaille <demaille@gostai.com>
1740 * data/lalr1-fusion.cc (destroy): Use as() in its definition.
1741 Define it after as().
1743 2008-11-04 Akim Demaille <demaille@gostai.com>
1746 * data/lalr1-fusion.cc (b4_rhs_location): Remove useless parens.
1748 2008-11-04 Akim Demaille <demaille@gostai.com>
1750 Issue missing synclines after user actions.
1751 * data/c.m4 (b4_case): Issue synclines on the output file.
1753 2008-11-04 Akim Demaille <demaille@gostai.com>
1755 Remove trailing empty line.
1756 * data/lalr1-fusion.cc: Don't add an empty line after the user's
1759 2008-11-04 Akim Demaille <demaille@gostai.com>
1761 Fix output of copyright years.
1762 * data/bison.m4 (b4_copyright): Fix the indentation of the
1763 copyright year paragraph.
1764 Use b4_copyright_years when no years are given.
1765 * data/lalr1.cc, data/lalr1-fusion.cc, data/location.cc
1766 (b4_copyright_years): New.
1769 2008-11-04 Akim Demaille <demaille@gostai.com>
1771 Avoid the spurious initial empty line.
1772 * data/lalr1-fusion.cc, data/location.cc: Put a trailing "@" at
1773 the end of @output request to suppress the empty line that
1776 2008-11-04 Akim Demaille <demaille@gostai.com>
1778 Remove parser::rhs_number_type.
1779 * data/lalr1-fusion.cc (rhs_number_type): No longer define it.
1780 (yyrhs_): Use b4_table_define.
1782 2008-11-04 Akim Demaille <demaille@gostai.com>
1785 * data/lalr1-fusion.cc: Use an int to iterate up to an int.
1787 2008-11-04 Akim Demaille <demaille@gostai.com>
1789 Factor the declaration of the integer tables.
1790 * data/lalr1-fusion.cc (b4_table_define): New.
1793 2008-11-03 Akim Demaille <demaille@gostai.com>
1795 Fix indentation of tables in lalr1.cc
1796 * data/lalr1-fusion.cc: Fix the indentation.
1798 2008-11-03 Akim Demaille <demaille@gostai.com>
1800 Destroy the lhs symbols after reduction.
1801 * data/lalr1-fusion.cc (parse): After the user action, when in
1802 variant mode, destroy the lhs symbols.
1804 2008-11-03 Akim Demaille <demaille@gostai.com>
1806 Simplify yysyntax_error_ use.
1807 * data/lalr1-fusion.cc (yysyntax_error_): Always pass it the token
1808 type, but make it unnamed in the declaration when it is not used.
1810 2008-11-03 Akim Demaille <demaille@gostai.com>
1812 Let yy::variant::build return an lvalue.
1813 * data/lalr1-fusion.cc (variant::build): Return a reference to the
1816 2008-11-03 Akim Demaille <demaille@gostai.com>
1818 Define yy::variant only when needed.
1819 * data/lalr1-fusion.cc (yy::variant): Define only if variants are
1822 2008-11-03 Akim Demaille <demaille@gostai.com>
1824 Bench the three-stack lalr1.cc.
1825 * etc/bench.pl.in: Bench the three-stack lalr1.cc vs. the
1828 2008-11-03 Akim Demaille <demaille@gostai.com>
1830 Fail on parse error in calc++.
1831 * doc/bison.texinfo (calc++.cc): Propagate failures to the exit
1833 * examples/calc++/test ($me, $number, $exit, run): New.
1834 Use them to propagate errors to the exit status.
1836 2008-11-03 Akim Demaille <demaille@gostai.com>
1838 Don't specify the skeleton twice in the example.
1839 * examples/calc++/Makefile.am: Don't pass -S to Bison, the grammar
1840 file does what is needed.
1842 2008-11-03 Akim Demaille <demaille@gostai.com>
1844 bench: Improve output.
1845 * etc/bench.pl.in (bench_grammar): Tune the printf format.
1847 2008-11-03 Akim Demaille <demaille@gostai.com>
1849 bench: check impact of %debug on variants.
1850 * etc/bench.pl.in (variant_grammar): Fix the computation of
1852 Generate a grammar file that can work with or without %debug.
1853 Do use the @directive.
1854 (bench_variant_parser): Check impact of %debug.
1855 (@directives): Rename all the occurrences to...
1856 (@directive): this, for consistency.
1858 2008-11-03 Akim Demaille <demaille@gostai.com>
1860 bench: report the size too.
1861 * etc/bench.pl.in ($iterations): Defaults to -3.
1862 (&bench_grammar): Require hireswallclock.
1863 Compute and display the size of the result.
1866 2008-11-03 Akim Demaille <demaille@gostai.com>
1868 bench: More use of the verbosity level.
1869 * etc/bench.pl.in ($verbose, &verbose): New.
1871 More POD documentation.
1873 2008-11-03 Akim Demaille <demaille@gostai.com>
1875 bench.pl: a command line interface
1876 * etc/bench.pl.in: More doc.
1877 Some fixes in the documentation.
1878 ($cflags, $iterations, &help, &getopt): New.
1880 (&variant_grammar): Let the number of stages be 10 times what is
1883 2008-11-03 Akim Demaille <demaille@gostai.com>
1885 Bench the use of Boost.Variants.
1886 * etc/bench.pl.in ($cxx, &variant_grammar, &bench_variant_parser):
1888 (&compile): Be ready to compile C++ parsers.
1889 (&bench_push_parser): Move debug information to the outermost
1891 * THANKS: Add Michiel De Wilde.
1893 2008-11-03 Akim Demaille <demaille@gostai.com>
1895 bench.pl: Pass directives as a list instead of as a string.
1896 * etc/bench.pl.in (&directives): New.
1897 (&triangular_grammar, &calc_grammar): Use it to format the Bison
1899 (&triangular_grammar): Do use the directives (were ignored).
1900 (&bench_grammar, &bench_push_parser): Adjust to pass lists of
1903 2008-11-03 Akim Demaille <demaille@gostai.com>
1905 Improve genericity of bench.pl.
1906 * etc/bench.pl.in (&bench_grammar): Take the set of benches as
1908 (&bench_push_parser): New.
1911 2008-11-03 Akim Demaille <demaille@gostai.com>
1913 Add documentation to bench.pl.
1914 * etc/bench.pl.in: Comment changes.
1916 2008-11-03 Akim Demaille <demaille@gostai.com>
1918 Fuse the three stacks into a single one.
1920 In order to make it easy to perform benchmarks to ensure that
1921 there are no performance loss, lalr1.cc is forked into
1922 lalr1-fusion.cc. Eventually, lalr1-fusion.cc will replace
1925 Meanwhile, to make sure that lalr1-fusion.cc is correctly
1926 exercized by the test suite, the user must install a symbolic link
1927 from lalr1.cc to it.
1929 Instead of having three stacks (state, value, location), use a
1930 stack of triples. This considerably simplifies the code (and it
1931 will be easier not to require locations as currently does the C++
1932 parser), and also gives a 10% speedup according to
1933 etc/bench (probably mainly since memory allocation is done once
1934 instead of three times).
1936 Another motivation is to make it easier to destruct properly
1937 semantic values: now that they are bound to their state (hence
1938 symbol type) it will be easier to call the appropriate destructor.
1940 These changes should probably benefit the C parser too.
1942 * data/lalr1.cc: Copy as...
1943 * data/lalr1-fusion.cc: this new file.
1944 (b4_rhs_value, b4_rhs_location): New definitions overriding those
1946 (state_stack_type, semantic_stack_type, location_stack_type)
1947 (yystate_stack_, yysemantic_stack_, yylocation_stack_): Remove.
1948 (data_type, stack_type, yystack_): New.
1949 (YYLLOC_DEFAULT, yypush_): Adjust.
1950 (yyerror_range): Now based on data_type, not location_type.
1952 2008-11-03 Akim Demaille <demaille@gostai.com>
1954 Push the state, value, and location at the same time.
1955 This is needed to prepare a forthcoming patch that fuses the three
1958 * data/lalr1.cc (parser::yypush_): New.
1959 (parser::yynewstate): Change the semantics: instead of arriving to
1960 this label when value and location have been pushed, but yystate
1961 is to be pushed on the state stack, now the three of them must
1962 have been pushed before. yystate still must be the new state.
1963 This allows to use yypush_ everywhere instead of individual
1964 handling of the stacks.
1966 2008-11-03 Akim Demaille <demaille@gostai.com>
1968 Prefer references to pointers.
1969 * data/lalr1.cc (b4_symbol_actions): New, overrides the default C
1970 definition to use references instead of pointers.
1971 (yy_symbol_value_print_, yy_symbol_print_, yydestruct_):
1972 Take the value and location as references.
1975 2008-11-03 Akim Demaille <demaille@gostai.com>
1977 stack::size instead of stack::height.
1978 * data/lalr1.cc (stack::height): Rename as...
1979 (stack::size): this.
1980 Fix the output type.
1983 2008-11-03 Akim Demaille <demaille@gostai.com>
1985 Use variants to support objects as semantic values.
1986 This patch was inspired by work by Michiel De Wilde. But he used
1987 Boost variants which (i) requires Boost on the user side, (ii) is
1988 slow, and (iii) has useless overhead (the parser knows the type of
1989 the semantic value there is no reason to duplicate this
1990 information as Boost.Variants do).
1992 This implementation reserves a buffer large enough to store the
1993 largest objects. yy::variant implements this buffer. It was
1994 implemented with Quentin Hocquet.
1996 * src/output.c (type_names_output): New.
1997 (output_skeleton): Invoke it.
1998 * data/c++.m4 (b4_variant_if): New.
1999 (b4_symbol_value): If needed, provide a definition for variants.
2000 * data/lalr1.cc (b4_symbol_value, b4_symbol_action_)
2001 (b4_symbol_variant, _b4_char_sizeof_counter, _b4_char_sizeof_dummy)
2002 (b4_char_sizeof, yy::variant): New.
2003 (parser::parse): If variants are requested, define
2004 parser::union_type, parser::variant, change the definition of
2005 semantic_type, construct $$ before running the user action instead
2006 of performing a default $$ = $1.
2007 * examples/variant.yy: New.
2008 Based on an example by Michiel De Wilde.
2010 2008-11-03 Akim Demaille <demaille@gostai.com>
2012 Parameterize the extraction of semantic values.
2013 To make future changes easier, no longer rely on ".TYPE" being the
2014 way to get a semantic value.
2016 * data/c.m4 (b4_symbol_value): New.
2018 * data/c++.m4, data/yacc.c: Use it.
2019 * data/glr.c: Use b4_symbol_value.
2023 2008-11-03 Akim Demaille <demaille@gostai.com>
2025 Prepare easier M4 changes.
2026 * data/lalr1.cc: Use escaped [] instead of literals to prepare
2029 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2031 Initiate further development.
2032 * NEWS: Create an empty section for new entries.
2033 * gnulib: Update submodule to HEAD.
2035 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2037 * NEWS: Version 2.4.
2039 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2041 Prepare for next release.
2042 * NEWS: Briefly mention changes since 2.3b.
2043 * README: Say GNU m4 1.4.6, which we've been requiring in release
2044 announcements already, not 1.4.3, which breaks the build.
2046 2008-11-02 Joel E. Denny <jdenny@ces.clemson.edu>
2048 Say %language is experimental.
2049 We're thinking of extending it's effect on output file naming. See the
2051 <http://lists.gnu.org/archive/html/bison-patches/2008-10/msg00003.html>.
2052 * NEWS: Say it's experimental.
2053 * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't
2054 recommend it over %skeleton for now.
2055 (Bison Options): Likewise.
2056 (C++ Bison Interface): Use %skeleton not %language.
2057 (Calc++ Parser): Use %skeleton not %language.
2058 * src/getargs.c (usage): Say it's experimental.
2060 2008-11-01 Di-an Jan <dianj@freeshell.org>
2061 Paolo Bonzini <bonzini@gnu.org>
2063 Support all Java parser class modifiers.
2064 * data/java.m4 (b4_percent_define_get3): New.
2065 (b4_final_if, b4_strictfp_if): New.
2066 * data/lalr1.java (final, strictfp, extends, implements): Support.
2067 * doc/bison.texinfo (final, strictfp, extends, implements): Add
2069 * tests/java.at (AT_CHECK_JAVA_MINIMAL): New.
2070 (AT_CHECK_JAVA_MINIMAL_W_LEXER): New.
2071 (AT_CHECK_JAVA_GREP): New.
2072 (Java parser class modifiers): New test.
2073 (Java parser class extends and implements): New test.
2075 Model exception propagation better with throws and lex_throws.
2076 * data/java.m4 (b4_list2): New.
2077 (throws): Change default.
2078 * data/lalr1.java (yyaction): Add throws.
2079 (parse): Add lex_throws in addition to throws.
2080 * doc/bison.texinfo (throws, lex_throws): Add documentation.
2081 * tests/java.at (Java throws specifications): New test.
2083 Improve documentation for Java parsers.
2084 * doc/bison.texinfo (Java Parsers): Add subsections.
2085 Don't quote first argument of %define.
2086 (Java Bison Interface): Document output files. Move documentation
2087 of parser class and merge into Java Parser Interface. Document
2088 features that error out. Document directives with no effect.
2089 Move note about Javadoc higher.
2090 (Java Semantic Values): Explicitly mention stype.
2091 Document that generic types cannot be used.
2092 (Java Location Values): Use @deftypeivar. Document constructors.
2093 Correct return value for toString.
2094 (Java Parser Interface): List undocumented constants/fields.
2095 Move documentation of fields added by %parse-param closer to list
2096 of members. Document that token names are added as fields.
2097 Document constructors accurately. Remove error method.
2098 (Java Scanner Interface): Move note on %pure-parser to Java Bison
2099 Interface. Describe %code lexer and yylex accutately.
2100 Remove documentation that does not match the code.
2101 (Java Action Features): New.
2102 (Java Differences): Add reference. Add item on semantic values.
2103 Add note about @{ ... @}. Clarify %% epilogue placement.
2104 (Java Declarations Summary): New.
2107 * data/java.m4 (b4_prefix): Correct quoting for m4_define_default.
2108 (b4_remove_comma): Quote test argument.
2109 (b4_identification): Remove "bison" field.
2110 * tests/java.at (Java parser class and package names): New test.
2111 (Java %parse-param and %lex-param): New test.
2112 (Java stype, position_class and location_class): New test.
2114 2008-10-31 Di-an Jan <dianj@freeshell.org>
2116 * data/lalr1.jave: Update copyright years.
2117 (YYParser): Correct name of "generated from" file in Javadoc:
2118 use b4_file_name instead of @ofile@.
2119 (Location constructor): Correct Javadoc parameter name.
2120 (yylloc): Add missing opening m4 quote after b4_location_if.
2121 This removes a stray [ in the Javadoc of Lexer.getStartPos.
2122 (Lexer.yyerror): Fix incorrect m4 and Javadoc.
2123 (YYParser constructor): Correct Javadoc parameter name.
2125 2008-10-30 Joel E. Denny <jdenny@ces.clemson.edu>
2127 Always put auxiliary code files in the same dir as other output files.
2128 * src/files.c (compute_file_name_parts): When the user specifies
2129 --output but not --file-prefix, extract the directory prefix from the
2130 file prefix not from the grammar file name. This affects the location
2131 of files like location.hh generated by the C++ skeleton. The includes
2132 in the other output files require this fix.
2133 * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories
2134 for expected output files.
2135 (Output files): Add a test for the above.
2137 2008-10-29 Joel E. Denny <jdenny@ces.clemson.edu>
2139 * gnulib: Update submodule to HEAD.
2141 2008-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
2143 Update copyright year.
2144 * src/files.c: Here.
2146 2008-10-28 Di-an Jan <dianj@freeshell.org> (tiny change)
2148 Don't overwrite the input file.
2149 * src/files.c (output_file_name_check): Fatal error if using input file
2151 * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status
2153 (Conflicting output files): Add test.
2155 2008-10-28 Akim Demaille <demaille@gostai.com>
2158 * data/lalr1.cc: Formatting changes.
2160 2008-10-28 Akim Demaille <demaille@gostai.com>
2162 Don't define debugging functions when !YYDEBUG.
2163 * data/lalr1.cc (debug_stream, set_debug_stream)
2164 (debug_level_type, debug_level, set_debug_level): Don't
2165 declare them when YYDEBUG is not defined.
2166 The implementation are already YYDEBUG-aware.
2168 2008-10-28 Akim Demaille <demaille@gostai.com>
2170 Prefer "continue" for empty loop bodies.
2171 * etc/bench.pl.in: Use "continue" instead of {}.
2173 2008-10-28 Akim Demaille <demaille@gostai.com>
2175 Space and comments changes.
2176 * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes.
2177 * data/c.m4, data/lalr1.cc: Space changes.
2179 2008-10-28 Akim Demaille <demaille@gostai.com>
2181 Make gnulib a submodule.
2183 * .gitmodules (gnulib): New.
2185 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2187 Fix yyerror_range for user-defined location type in C++. Reported by
2189 <http://lists.gnu.org/archive/html/bug-bison/2008-08/msg00008.html>.
2190 * data/lalr1.cc (parse): Change type of yyerror_range to location_type.
2191 * THANKS (Georg Sauthoff): Add.
2193 2008-10-18 Joel E. Denny <jdenny@ces.clemson.edu>
2195 Update several administrative files mainly to facilitate releasing.
2196 * HACKING (Administrivia): Make the git-merge-changelog notes more
2198 (Test suite): Don't say lalr1.cc is not exercised in the test suite.
2199 (Release Procedure): Update for git and add numerous details that were
2201 * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint.
2202 * maint.mk (announcement): Don't list bison as a bootstrap tool so
2203 that announcements don't claim we bootstrapped with whatever bison
2204 happened to be in PATH. Add flex as a bootstrap tool.
2205 * Makefile.maint: Remove, previously replaced by maint.mk.
2206 * Makefile.cfg: Remove, and migrate settings to...
2207 * cfg.mk: ... here for the sake of `make announcement'.
2208 * bootstrap.conf (gnulib_modules): Add announce-gen.
2209 * README: Say GNU Bison instead of just Bison. Suggested by Karl
2212 2008-10-08 Di-an Jan <dianj@freeshell.org> (tiny change)
2214 Small but important bugfixes for the Java skeleton.
2215 * data/lalr1.java (yyerror): Change Location to b4_location_type.
2216 (yy_symbol_print): Call toString on yyvaluep.
2218 2008-08-29 Akim Demaille <demaille@gostai.com>
2220 Clarify UPDATED use.
2221 * doc/bison.texinfo: It refers to the last edition of this file,
2222 not to the release date of Bison.
2223 Reported by Joel E. Denny.
2225 2008-08-29 Akim Demaille <demaille@gostai.com>
2227 * README: Update FAQ pointer.
2228 Reported by Joel E. Denny.
2230 2008-08-27 Eric Blake <ebb9@byu.net>
2232 Resync m4sugar from autoconf.
2233 * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine)
2234 (m4_init): Adjust to latest m4.git changes.
2235 (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side
2237 * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug.
2238 (_m4_list_cmp): Reduce side effects.
2240 2008-08-27 Akim Demaille <demaille@gostai.com>
2242 Check yyerrok in calc.at.
2243 * tests/calc.at (calc.y): Use yyerrok on "( error )".
2244 (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
2247 2008-08-27 Akim Demaille <demaille@gostai.com>
2249 Support yyerrok in lalr1.cc.
2250 YYBACKUP is still to import back into lalr1.cc.
2251 * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define.
2253 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2255 For maintainer-check*, don't recompile for a $(VERSION) update.
2257 (_is-dist-target): Override the one in GNUmakefile.
2258 * Makefile.am (EXTRA_DIST): Add cfg.mk.
2260 2008-08-26 Joel E. Denny <jdenny@ces.clemson.edu>
2262 Update for recent change to gnulib.
2263 * src/parse-gram.y: Don't include strverscmp.h. It comes from
2266 2008-08-15 Eric Blake <ebb9@byu.net>
2268 Remaining m4sugar merge from autoconf.
2269 * data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
2270 * data/m4sugar/foreach.m4: New file, copied from autoconf.
2271 * data/Makefile.am (dist_m4sugar_DATA): Distribute it.
2272 * src/output.c (output_skeleton): Tell m4 how to find it.
2274 Partial m4sugar merge from autoconf: m4_map.
2275 * data/m4sugar/m4sugar.m4 (m4_fst): Delete.
2276 (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
2277 (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
2278 * data/java.m4 (b4_token_enums): Use more efficient short-circuit
2280 * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
2282 (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
2285 2008-08-07 Joel E. Denny <jdenny@ces.clemson.edu>
2287 Keep .version and PACKAGE_VERSION in sync.
2288 * Makefile.am ($(top_srcdir)/.version): Declare configure as a
2289 dependency, and add comments justifying this in more detail. Discussed
2291 <http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
2293 2008-08-06 Eric Blake <ebb9@byu.net>
2295 Partial m4sugar merge from autoconf: m4_shiftn.
2296 * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation.
2297 (m4_shift2, m4_shift3): New macros.
2298 (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients.
2299 * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def)
2300 (b4_c_ansi_function_decl, b4_c_function_call): Likewise.
2301 * data/java.m4 (b4_remove_comma): Likewise.
2303 Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
2304 * data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
2305 (m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
2306 (m4_init): Consolidate wrapped text into single m4_wrap.
2307 * data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
2310 2008-08-05 Eric Blake <ebb9@byu.net>
2312 Partial m4sugar merge from autoconf: builtins, version.m4.
2313 * data/m4sugar/m4sugar.m4 (changeword): Nuke.
2314 (m4_prepend): Remove, as it is unused and inherently quadratic,
2315 whereas m4_append is linear in newer m4.
2316 (m4_mkstemp): New builtin.
2317 (m4_symbols): Make rename conditional.
2318 (m4_version_prereq): Ensure fatal error if used in bison, which
2319 intentionally lacks version.m4.
2321 Fix comments in m4sugar.
2322 * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf.
2324 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
2326 Update for recent .gitignore fix in Gnulib.
2327 * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates
2328 anchored .gitignore entries.
2330 2008-08-02 Joel E. Denny <jdenny@ces.clemson.edu>
2332 Set gnu or gnits strictness.
2333 * configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
2334 development and gnits strictness for releases. Based on Eric Blake's
2336 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
2338 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
2340 * NEWS: Clarify documentation of %language.
2342 2008-07-31 Paolo Bonzini <bonzini@gnu.org>
2344 Support usage of git-merge-changelog.
2345 * .gitattributes: New.
2346 * HACKING: Document usage of git-merge-changelog.
2347 * bootstrap: Install git-merge-changelog entries in .git/config
2350 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
2352 Remove remaining dependence on CVS Id keyword.
2353 * ChangeLog: For the sake of people still using CVS, don't use dollars
2355 * data/xslt/bison.xsl: Remove Id from header comments, where it was
2357 * data/xslt/xml2dot.xsl: Likewise.
2358 * data/xslt/xml2text.xsl: Likewise.
2359 * data/xslt/xml2xhtml.xsl: Likewise.
2360 * doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
2361 * doc/Makefile.am (neutralize): Remove, no longer needed.
2362 (.x.1): Don't use neutralize.
2363 (edit): Don't substitute for ID.
2364 (Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
2366 2008-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
2368 Fix dependence on computed configure variables.
2369 * doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
2370 $(top_srcdir)/configure.ac so that changes to computed variables, such
2371 as PACKAGE_VERSION, are seen.
2372 * tests/Makefile.am ($(srcdir)/package.m4): Likewise.
2374 2008-07-20 Joel E. Denny <jdenny@ces.clemson.edu>
2376 Update copyright dates for recent changes.
2377 * Makefile.am: Here.
2378 * src/Makefile.am: Here.
2379 * src/reduce.c: Here.
2380 * tests/reduce.at: Here.
2382 2008-07-18 Joel E. Denny <jdenny@ces.clemson.edu>
2384 Use git-version-gen for version names between releases.
2385 * .cvsignore (.tarball-version, GNUmakefile, *~): Add.
2386 * .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
2387 * .prev-version: New.
2388 * .version.in: Remove.
2389 * ChangeLog: Remove the Id previously used for capturing the CVS
2391 * GNUmakefile: Remove, now copied from Gnulib.
2392 * Makefile.am: Add code suggested by comments in
2393 build-aux/git-version-gen.
2394 (EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
2395 .prev-version, and .version.
2396 * NEWS (2.3b+): Rename to...
2397 (?.?): ... this because we're dropping the "+" version naming scheme,
2398 but, in general, we still can't be sure of our next release name.
2399 * bootstrap: Add a quick hack to remove from .gitignore the
2400 GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
2401 entry. This should really be fixed in gnulib instead.
2402 * bootstrap.conf (gnulib_modules): Add gnumakefile.
2403 * configure.ac (AC_INIT): Set version name by invoking
2404 build-aux/git-version-gen.
2405 (AC_CONFIG_FILES): Remove .version, now generated by
2406 build-aux/git-version-gen.
2407 * maint.mk: New, copied from coreutils.
2408 * doc/.cvsignore (bison.1): Add.
2409 * doc/.gitignore (/bison.1): Add.
2410 * doc/bison.1: Remove, generated.
2411 * src/.cvsignore (revision.c): Remove.
2412 * src/.gitignore (/revision.c): Remove.
2413 * src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
2414 (BUILT_SOURCES): Remove revision.c.
2415 (revision.c): Remove.
2416 * src/getargs.c (version): Don't print revision after the VERSION.
2417 * src/revision.h: Remove.
2419 2008-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
2421 Fix untranslatable composition of sentences. Reported by Goran
2423 <http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
2424 * THANKS (Goran Uddeborg): Add.
2425 * src/reduce.c (reduce_print): Report the number of nonterminals and
2426 rules useless in the grammar in separate sentences.
2427 * tests/reduce.at (Useless Rules): Update output.
2428 (Reduced Automaton): Likewise.
2429 (Underivable Rules): Likewise.
2430 (Empty Language): Likewise.
2432 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
2434 Fix some .gitignore and .cvsignore problems.
2435 * bootstrap (insert_sorted_if_absent): Replace all uses with...
2436 (insert_vc_ignore): ... this new function, which prepends `/' to all
2437 .gitignore entries before passing them to insert_sorted_if_absent.
2438 * bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
2439 .cvsignore files are maintained even though Bison developers run
2440 bootstrap while using Git.
2441 * .cvsignore (*.patch *.log log patches applied): Remove, apparently
2444 * .gitignore (/*.patch *.log log patches applied): Remove, broken and
2445 unneeded. Reported by Eric Blake.
2446 * lib/.gitignore (/*~): Add.
2447 * po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
2448 * examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
2450 * src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
2452 2008-07-15 Joel E. Denny <jdenny@ces.clemson.edu>
2454 Improve forward-compatibility with GNU M4. Reported by Eric Blake at
2455 <http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
2456 * bootstrap.conf (gnulib_modules): Add unsetenv.
2457 * lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
2458 * m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
2460 * src/output.c (output_skeleton): For the m4 invocation, pass -dV as
2461 the first argument because it may become position-dependent, and unset
2462 POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
2463 Add comments explaining these issues in more detail.
2465 2008-07-14 Joel E. Denny <jdenny@ces.clemson.edu>
2467 Add .gitignore everywhere based on .cvsignore.
2469 * build-aux/.gitignore: New.
2470 * data/.gitignore: New.
2471 * doc/.gitignore: New.
2472 * etc/.gitignore: New.
2473 * examples/.gitignore: New.
2474 * examples/calc++/.gitignore: New.
2475 * lib/.gitignore: New.
2476 * m4/.gitignore: New.
2477 * po/.gitignore: New.
2478 * runtime-po/.gitignore: New.
2479 * src/.gitignore: New.
2480 * tests/.gitignore: New.
2482 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
2484 * NEWS (2.3b+): New section, empty for now.
2485 * configure.ac (AC_INIT): 2.3b -> 2.3b+.
2487 2008-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
2489 * NEWS (2.3b): Update release date since there has been a delay in
2490 getting the announcements and tarballs out.
2492 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2494 * NEWS: Version 2.3b.
2495 * configure.ac (AC_INIT): Likewise.
2496 (PACKAGE_COPYRIGHT_YEAR): Update to 2008.
2498 2008-05-23 Joel E. Denny <jdenny@ces.clemson.edu>
2500 * HACKING: Don't say don't mention HACKING in the ChangeLog. We've
2501 been doing it for years.
2502 (Test suite): Mention maintainer-push-check and maintainer-xml-check.
2503 (Release Procedure): Add FIXME about make alpha being unmaintained.
2505 2008-05-13 Joel E. Denny <jdenny@ces.clemson.edu>
2507 * data/yacc.c: Reformat m4 a little for readability.
2508 * src/lalr.c (build_relations): Correct comment.
2510 2008-05-12 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2512 DJGPP specific issue.
2513 * djgpp/config.sed: Fixes required to run configure scripts generated
2516 2008-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
2518 * HACKING (Release Procedure): translation@iro.umontreal.ca is now
2519 coordinator@translationproject.org.
2521 2008-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
2523 * THANKS: Add Eric Blake.
2525 2008-04-23 Eric Blake <ebb9@byu.net>
2527 Revert prior patch, by working around autoconf regression.
2528 * tests/output.at (m4_expand): Add workaround for autoconf 2.62.
2529 ("Output file name: ("): Uncomment test.
2530 ("Output file name: )"): Likewise.
2531 Based on an idea from Noah Misch.
2533 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2535 Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
2536 2.61. Reported by Juan Manuel Guerrero at
2537 <http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
2538 * tests/output.at ("Output file name: ("): Comment out test case for
2540 ("Output file name: )"): Likewise.
2542 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2544 * GNUmakefile: Update git-version-gen invocation so make dist
2547 2008-04-21 Joel E. Denny <jdenny@ces.clemson.edu>
2549 Update to the current gnulib CVS repository, and fix trigraph handling
2551 * bootstrap: Update gnulib CVS repository URL.
2552 (symlink_to_dir): Encapsulate the code that guarantees the destination
2553 directory exists into...
2554 (check_dst_dir): ... this new function, and...
2555 (cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
2556 fail when copying files into lib/uniwidth/.
2557 * src/output.c (prepare_symbols): When writing yytname muscles, where
2558 symbol names will be encoded in C-string literals, tell quotearg to
2559 escape trigraphs. This used to be the default in gnulib.
2560 * tests/regression.at (Token definitions): Because of the change in
2561 gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
2562 escapes trigraphs in symbol names. Thus, yytname no longer has
2563 trigraphs unnecessarily doubly escaped. Update test case output.
2564 Extend test case to be sure Bison's own error messages will no longer
2565 have trigraphs in symbol names unnecessarily escaped once.
2567 2008-04-20 Joel E. Denny <jdenny@ces.clemson.edu>
2569 Fix make dist infinite loop reported by Juan Manuel Guerrero at
2570 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00009.html>.
2571 * .cvsignore: Add .version.
2573 * bootstrap.conf (gnulib_modules): Add git-version-gen.
2574 * configure.ac (AC_CONFIG_FILES): Add .version.
2575 * build-aux/.cvsignore: Add git-version-gen.
2577 2008-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
2579 * NEWS (2.3a+): Mention that -g now takes an argument.
2580 * doc/bison.texinfo (Bison Options): Reword -W entry a little for
2581 consistency. Update the -g and -x entries now that they take
2582 arguments. Use brackets to indicate optional arguments.
2583 * src/getargs.c (usage): Explain the relationship between arguments of
2584 long and short options more completely. Document --defines and -d
2585 separately since the former takes an argument but, for POSIX Yacc, the
2587 (short_options): Let -W take an optional argument like --warnings.
2588 (getargs): Sort cases.
2590 2008-02-28 Akim Demaille <demaille@gostai.com>
2592 * doc/bison.texinfo: Fix a few typos.
2594 2008-02-28 Akim Demaille <akim@epita.fr>
2596 * doc/bison.texinfo (Bison Options): Document -W.
2597 Based on Joel E. Denny's NEWS entry, and Automake's documentation.
2599 2008-02-28 Akim Demaille <akim@epita.fr>
2601 * src/getargs.c (short_options): Split and sort for readability.
2602 -g and -x take optional arguments, just like their long options.
2603 * build-aux/cross-options.pl: Use /x to make the regexp easier to
2605 Fix the handling of $opt which resulted in all the argument to be
2606 considered as optional.
2608 2008-02-22 Joel E. Denny <jdenny@ces.clemson.edu>
2610 * NEWS (2.3a+): Don't say %language is experimental. Mention Java and
2611 say its interface is experimental.
2612 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
2614 (Bison Options): In the -L and --language entry, mention Java.
2615 (Java Bison Interface): Say the interface is experimental.
2616 * src/getargs.c (usage): Mention -L and --language.
2618 * NEWS (2.3a+): Say the push parsing interface is experimental.
2619 * doc/bison.texinfo (Push Decl): Likewise.
2620 (Decl Summary): Likewise in the "%define api.push_pull" entry.
2621 (Push Parser Function): Likewise.
2622 (Pull Parser Function): Likewise.
2623 (Parser Create Function): Likewise.
2624 (Parser Delete Function): Likewise.
2625 (Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
2626 yypull_parse, and yypush_parse entries.
2628 * NEWS (2.3a+): Mention XML support, and say the schema is
2630 * doc/bison.texinfo (Bison Options): Mention -x and --xml.
2631 * src/getargs.c (usage): Say the XML schema is experimental.
2633 * NEWS (2.3a+): Say option instead of flag.
2635 2008-02-21 Wojciech Polak <polak@gnu.org>
2637 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer
2640 2008-02-20 Joel E. Denny <jdenny@ces.clemson.edu>
2642 Fix impure push parser compile error reported by Bob Rossi at
2643 <http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
2644 * data/yacc.c: Clean up whitespace in the output a little.
2645 (yypstate_allocated): Define for impure push parsers regardless of
2646 whether the pull interface is also requested.
2647 * tests/push.at (Push Parsing: Multiple impure instances): Extend to
2648 check impure push parsers without the pull interface.
2650 * data/yacc.c (yypstate_new): Don't try to invoke yyerror since
2651 yyerror takes arguments specified by %parse-param while yypstate_new
2653 * doc/bison.texinfo (Parser Create Function): Document that
2654 yypstate_new returns 0 for multiple impure parser instances.
2655 * tests/push.at (Push Parsing: Multiple impure instances): Update
2656 expected stderr output.
2658 2008-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
2660 * runtime-po/POTFILES.in (push.c): Remove.
2662 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2664 * data/Makefile.am (dist_pkgdata_DATA): Remove push.c.
2665 * data/push.c: Rename to...
2666 * data/yacc.c: ... this, overwriting it.
2667 * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'.
2668 `%push-pull-parser' -> `%define api.push_pull "both"'.
2669 Remove old yacc.c tests, and update push.c tests to yacc.c.
2671 2008-02-17 Joel E. Denny <jdenny@ces.clemson.edu>
2673 * data/bison.m4 (b4_percent_code_get): Output %code block comments like
2674 `"%code top" blocks' instead of `%code "top" blocks'.
2675 * data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
2676 Clean up whitespace in the output a little.
2678 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2680 Fix documentation problems reported by Tim Josling at
2681 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
2682 * NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
2683 * doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
2684 integers. Explain the effect of literal string aliases on error
2685 messages. Copy token 0 documentation from the C++ skeleton
2688 2008-02-16 Joel E. Denny <jdenny@ces.clemson.edu>
2690 Accept a token number in a %left, %right, or %nonassoc for POSIX
2691 conformance. Reported by Tim Josling at
2692 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
2693 * NEWS (2.3a+): Mention.
2694 * doc/bison.texinfo (Precedence Decl): Describe how literal strings
2695 and code numbers are treated by precedence declarations.
2696 * src/parse-gram.y (precedence_declaration): Use symbols.prec instead
2698 (symbols.prec): New, just like symbols.1 but uses symbol.prec instead
2700 (symbol.prec): New, just like symbol but allows INT.
2701 * src/symtab.c (symbol_user_token_number_set): Remove an aver that no
2703 * tests/regression.at (Token number in precedence declaration): New
2706 2008-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2708 DJGPP specific issues.
2709 * djgpp/config.bat: Add filenames that are not 8.3 clean and that must
2710 be changed. Copyright timestamp adjusted.
2711 * djgpp/config.sed: Add filenames that are not 8.3 clean and that must
2712 be changed. Copyright timestamp adjusted.
2713 * djgpp/config.site: Copyright timestamp adjusted.
2714 * djgpp/config_h.sed: Copyright timestamp adjusted.
2715 * djgpp/djunpack.bat: Copyright timestamp adjusted.
2716 * djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
2717 filename translation list.
2718 * djgpp/subpipe.c (init_subpipe): Check the environment variables
2719 TMPDIR, TMP and TEMP, in that order, to determinate where the temp
2720 files shall be created. Before trying to use the temp dir where the
2721 environment variable points to check that the dir really exists. If
2722 not default to the cwd as temp dir. Copyright timestamp adjusted.
2723 * djgpp/subpipe.h: Copyright timestamp adjusted.
2724 * djgpp/testsuite.sed: Copyright timestamp adjusted.
2726 2008-01-30 Paul Eggert <eggert@cs.ucla.edu>
2728 * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording.
2730 2008-01-09 Paul Eggert <eggert@cs.ucla.edu>
2732 * data/yacc.c (yyparse): Correct the comment when locations aren't used.
2733 Problem reported by Claudio Saavedra in
2734 <http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00003.html>.
2736 2008-01-05 Wojciech Polak <polak@gnu.org>
2738 * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML
2739 document's title with the input grammar file name.
2741 2007-12-22 Joel E. Denny <jdenny@ces.clemson.edu>
2743 Automate regression testing of the XML/XSLT implementation. Discussed
2745 <http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
2746 * configure.ac (XSLTPROC): New substitution.
2747 * Makefile.am (maintainer-xml-check): New phony target invoking...
2748 * tests/Makefile.am (maintainer-xml-check): ... this new phony target
2749 invoking make maintainer-check with BISON_TEST_XML=1.
2750 * tests/atlocal.in (XSLTPROC): New.
2751 * tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
2752 not to report reachable memory when Bison is expected to have a
2753 non-zero exit status and (2) to compare XML/XSLT output with --graph
2754 and --report=all output for every working grammar when
2756 (AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
2757 (AT_BISON_CHECK_XML): New.
2758 (AT_QUELL_VALGRIND): New.
2759 * tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
2760 (AT_CHECK): ... don't redefine this since this was the old way to
2762 * tests/actions.at: Rewrite all AT_CHECK invocations for bison as
2763 AT_BISON_CHECK invocations.
2764 * tests/c++.at: Likewise.
2765 * tests/calc.at: Likewise.
2766 * tests/conflicts.at: Likewise.
2767 * tests/cxx-type.at: Likewise.
2768 * tests/existing.at: Likewise.
2769 * tests/glr-regression.at: Likewise.
2770 * tests/headers.at: Likewise.
2771 * tests/input.at: Likewise.
2772 * tests/java.at: Likewise.
2773 * tests/output.at: Likewise.
2774 * tests/push.at: Likewise.
2775 * tests/reduce.at: Likewise.
2776 * tests/regression.at: Likewise.
2777 * tests/sets.at: Likewise.
2778 * tests/skeletons.at: Likewise.
2779 * tests/synclines.at: Likewise.
2780 * tests/torture.at: Likewise.
2781 (Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
2782 tends to hang xsltproc.
2783 (Big horizontal): Likewise.
2785 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2787 In XML output, remove redundant class attribute on symbol element.
2788 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
2789 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
2790 look up a symbol to determine whether it's a nonterminal or terminal.
2791 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
2792 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
2794 Add prec/assoc information to XML output.
2795 * src/gram.c (grammar_rules_print_xml): For each rule that has a
2796 %prec, add a percent_prec attribute.
2797 * src/print-xml.c (print_grammar): For each terminal that has a
2798 precedence or associativity, add a prec or assoc attribute.
2800 (xml_puts): Use xml_indent.
2801 (xml_printf): Use xml_indent.
2802 * src/print-xml.h (xml_indent): Prototype.
2804 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
2805 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
2807 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2809 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
2810 (bison:ruleByNumber): ... this for clarity.
2811 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
2812 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
2813 (xsl:template match="reduction"): Update.
2814 (xsl:template match="item"): Update.
2815 (xsl:template match="reduction"): Update.
2817 In the XML output, don't print the list of rules where symbols appear.
2818 Compute it in XSLT instead. Discussed at
2819 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
2820 * data/xslt/bison.xsl (bison:ruleByLhs): New.
2821 (bison:ruleByRhs): New.
2822 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
2824 (xsl:template match="terminal/rule"): Remove.
2825 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2827 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2829 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
2830 bison:ruleByRhs and mode="number-link" for rule template.
2831 (xsl:template match="terminal/rule"): Remove.
2832 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
2833 bison:ruleByRhs and mode="number-link" for rule template.
2834 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
2836 (xsl:template match="rule" mode="number-link"): ... this.
2837 * src/print-xml.c (print_grammar): Don't print the list of rules.
2839 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
2841 Don't let --report affect XML output; always print all information.
2843 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
2844 * src/conflicts.c (log_resolution): Implement.
2845 * src/print-xml.c (print_core): Implement.
2846 (print_state): Implement.
2847 (print_xml): Implement.
2849 * NEWS (2.3a+): Fix quotes.
2850 * src/parse-gram.y (prologue_declaration): For consistency with -v,
2851 don't let %verbose clear the list specified by --report.
2853 2007-11-26 Akim Demaille <akim@epita.fr>
2855 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
2857 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
2859 In the XML output, list useless and unused symbols and rules with the
2860 useful ones and add a "usefulness" attribute. Discussed starting at
2861 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
2862 * src/gram.c (grammar_rules_partial_print_xml): Remove.
2863 (grammar_rules_print_xml): Print all rules instead of just those
2864 useful in the grammar, and add a "usefulness" attribute.
2865 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
2866 * src/print-xml.c (print_rules_useless_in_parser): Remove.
2867 (print_grammar): Print all nonterminals instead of just useful ones,
2868 and add a "usefulness" attribute to nonterminals and terminals.
2869 (print_xml): Don't print a separate "reductions" or
2870 "rules-useless-in-parser" element.
2871 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
2872 (reduce_xml): Remove.
2873 (reduce_token_unused_in_grammar): New.
2874 (reduce_nonterminal_useless_in_grammar): New.
2875 * src/reduce.h (reduce_xml): Remove prototype.
2876 (reduce_token_unused_in_grammar): Add prototype.
2877 (reduce_nonterminal_useless_in_grammar): Add prototype.
2878 * data/xslt/xml2text.xsl: Update for XML changes.
2879 * data/xslt/xml2xhtml.xsl: Update for XML changes.
2880 * tests/reduce.at (Useless Terminals): Update output.
2881 (Useless Rules): Update output.
2882 (Reduced Automaton): Update output.
2884 Say "Terminals unused in grammar" instead of "Unused terminals".
2885 * NEWS (2.3a+): Update.
2886 * doc/bison.texinfo (Understanding): Update example output.
2887 * src/reduce.c (reduce_output): Implement.
2888 * data/xslt/xml2text.xsl: Implement.
2889 * data/xslt/xml2xhtml.xsl: Implement.
2891 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
2893 Accept --report-file=FILE to override the default `.output' filename.
2894 * NEWS (2.3a+): Mention.
2895 * doc/bison.texinfo (Bison Options): Add an entry.
2896 * src/files.c (compute_output_file_names): Don't override
2897 spec_verbose_file if already set.
2898 * src/getargs.c (usage): Document --report-file.
2899 (REPORT_FILE_OPTION): New anonymous enum member.
2900 (long_options): Add entry for it.
2901 (getargs): Add case for it setting spec_verbose_file.
2903 * build-aux/cross-options.pl: Don't record a short option just because
2905 * doc/.cvsignore: Add yacc.1.
2907 2007-11-14 Akim Demaille <akim@epita.fr>
2909 * doc/yacc.1.in: New.
2910 * configure.ac, doc/Makefile.am: Adjust.
2911 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
2913 Use AC_SUBST for assignments too.
2914 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
2916 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
2918 * src/gram.c: Remove comments that duplicate comments in gram.h.
2920 When reporting useless rules and nonterminals, say "useless in grammar"
2921 instead of "useless", and say "useless in parser" instead of "never
2922 reduced". Discussed starting at
2923 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
2924 * NEWS (2.3a+): Mention this change.
2925 * data/xslt/xml2text.xsl: Update output text and expected input XML
2926 element names to match changes below.
2927 * data/xslt/xml2xhtml.xsl: Likewise.
2928 (xsl:template match="bison-xml-report"): Add missing entry in Table of
2929 Contents: "Rules useless in parser due to conflicts".
2930 * doc/bison.texinfo (Decl Summary): Reword a little.
2931 (Understanding): Update example output for changes below.
2932 * src/gram.c: (rule_useful_p): Rename to...
2933 (rule_useful_in_grammar_p): ... this.
2934 (rule_useless_p): Rename to...
2935 (rule_useless_in_grammar_p): ... this.
2936 (rule_never_reduced_p): Rename to...
2937 (rule_useless_in_parser_p): ... this.
2938 (grammar_rules_print): Update for renames.
2939 (grammar_rules_print_xml): Update for renames.
2940 (grammar_rules_never_reduced_report): Rename to...
2941 (grammar_rules_useless_report): ... this since it is used for either
2942 kind of useless rule.
2943 * src/gram.h: Reword comments and update function names in prototypes.
2944 * src/main.c (main): Say "rule useless in parser due to conflicts".
2945 * src/print-xml.c (print_rules_never_reduced): Rename to...
2946 (print_rules_useless_in_parser): ... this, and rename output XML
2947 element "rules-never-reduced" to "rules-useless-in-parser".
2948 (print_xml): Update for rename.
2949 * src/print.c (print_results): Say "Rules useless in parser due to
2951 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
2952 (nonterminals_reduce): Say "nonterminal useless in grammar".
2953 (reduce_output): Say "Nonterminals useless in grammar".
2954 Say "Rules useless in grammar".
2955 (reduce_xml): Rename output XML element "useless" to
2956 "useless-in-grammar".
2957 (reduce_print): Don't report the count of grammatically useless rules
2958 as "rules never reduced" just because %yacc is specified.
2959 In the correct report of this count, say nonterminal(s) and rule(s)
2960 "useless in grammar".
2961 * tests/conflicts.at (S/R in initial): Update expected output.
2962 (Defaulted Conflicted Reduction): Likewise.
2963 (Unreachable States After Conflict Resolution): Likewise.
2964 * tests/existing.at (GNU pic Grammar): Likewise.
2965 * tests/reduce.at (Useless Nonterminals): Likewise.
2966 (Useless Rules): Likewise.
2967 (Reduced Automaton): Likewise.
2968 (Underivable Rules): Likewise.
2969 (Empty Language): Likewise.
2971 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
2973 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
2974 here document and before the EOF so that BSD's implementation of Bourne
2975 shell doesn't parse the delimiter as part of the here document.
2976 * doc/.cvsignore: Add cross-options.texi.
2977 * src/getargs.c (usage): Add a blank line after the warning categories.
2979 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
2981 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
2983 2007-11-05 Akim Demaille <akim@epita.fr>
2985 Remove Id: from bison.1.
2986 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
2987 (perl -0777 -pi -e 's/\.PP\nId): New.
2988 (.x.1): Use it to ignore the version control revision.
2990 2007-11-05 Akim Demaille <demaille@gostai.com>
2992 * build-aux/Makefile.am: Ship cross-options.pl.
2993 * doc/Makefile.am: Always refer to cross-options.texi with
2995 (MAINTAINERCLEANFILES): Add it.
2997 2007-11-04 Akim Demaille <demaille@gostai.com>
2999 Generate the long/short option cross-table.
3000 * build-aux/cross-options.pl: New.
3001 * doc/Makefile.am (cross-options.texi): New.
3002 * doc/bison.texinfo: Use it.
3004 2007-11-04 Akim Demaille <demaille@gostai.com>
3006 Generate bison.1 using help2man.
3007 * doc/common.x, doc/bison.x: New.
3008 * doc/Makefile.am (bison.1, .x.1): New.
3009 The code is taken from autoconf-2.61/man/Makefile.am.
3010 * configure.ac: Look for help2man.
3012 2007-11-04 Akim Demaille <demaille@gostai.com>
3015 * src/getargs.c (usage): Document -W, make it clear that -d,
3016 -g and -x have optional arguments.
3018 2007-11-04 Akim Demaille <demaille@gostai.com>
3020 Find sha1sum when named gsha1sum.
3021 * bootstrap (find_tool): New.
3024 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3026 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
3028 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
3029 * NEWS (2.3a+): Mention.
3030 * data/bison.m4 (b4_pure_if): Don't define it here.
3031 * data/c.m4 (b4_identification): Depend on individual skeletons to
3032 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
3033 values of the %define variables api.pure or api.push_pull. Define
3034 YYPURE, YYPUSH, and YYPULL accordingly.
3035 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
3036 glr.cc has already defined b4_pure_flag.
3037 * data/push.c: Define b4_pure_if based on `%define api.pure'.
3038 Remove YYPUSH and YYPULL since they're back in b4_identification again.
3039 * data/yacc.c: Define b4_pure_if based on `%define api.pure'.
3040 * doc/bison.texinfo (Pure Decl): Update.
3041 (Push Decl): Update.
3042 (Decl Summary): Add api.pure to %define entry.
3043 In %pure-parser entry, say it's deprecated and reference %define.
3044 (Pure Calling): Update.
3045 (Error Reporting): Update.
3046 (C++ Scanner Interface): Update.
3047 (How Can I Reset the Parser): Update.
3048 (Table of Symbols): In %pure-parser entry, say it's deprecated and
3050 * src/getargs.c (pure_parser): Remove global variable.
3051 * src/getargs.h (pure_parser): Remove extern.
3052 * src/output.c (prepare): Don't define pure_flag muscle.
3053 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
3054 wrapper around `%define api.pure'.
3055 * tests/calc.at (Simple LALR Calculator): Update.
3056 (Simple GLR Calculator): Update.
3057 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
3059 (GLR: Resolve ambiguity, pure, locations): Update.
3060 (GLR: Merge conflicting parses, pure, no locations): Update.
3061 (GLR: Merge conflicting parses, pure, locations): Update.
3062 * tests/glr-regression.at (Uninitialized location when reporting
3064 * tests/input.at (Unused %define api.pure): New test case.
3065 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
3066 AT_PURE_IF and AT_PURE_AND_LOC_IF.
3067 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
3069 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3071 %define push_pull -> %define api.push_pull. Discussed starting at
3072 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
3073 * data/push.c: Expect the new name.
3074 * data/yacc.c: Likewise.
3075 * doc/bison.texinfo (Push Decl): Update.
3076 (Decl Summary): Update %define entry.
3077 (Push Parser Function): Update.
3078 (Pull Parser Function): Update.
3079 (Parser Create Function): Update.
3080 (Parser Delete Function): Update.
3081 * tests/calc.at (Simple LALR Calculator): Update.
3082 * tests/input.at (%define enum variables): Update.
3083 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
3084 (Push Parsing: Multiple impure instances): Update.
3085 (Push Parsing: Unsupported Skeletons): Update.
3086 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
3087 (Exploding the Stack Size with Malloc): Update.
3089 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
3092 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
3094 For the XML output's terminal element, rename @number to @token-number,
3095 and add @symbol-number. In the nonterminal element, rename @number to
3096 @symbol-number. Discussed starting at
3097 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
3098 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
3100 (xsl:template match="nonterminal"): Likewise.
3101 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
3102 (xsl:template match="nonterminal"): Likewise.
3103 * src/print-xml.c (print_grammar): Implement.
3105 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
3107 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
3108 2007-10-11 change, the child elements here are items not rules.
3109 (xsl:template match="item"): New.
3110 (xsl:template match="rule"): Update for new reduced itemset.
3111 (xsl:template match="point"): Remove.
3112 (xsl:template match="empty"): For consistency with --graph, don't
3113 output "/* empty */".
3114 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
3115 line-wrap, don't pass a negative value as first-line-length since this
3116 won't work with the following changes.
3117 (xsl:template name="line-wrap"): Simplify slightly.
3118 (xsl:template name="ws-search"): Eliminate recursion.
3119 * src/print_graph.c (print_core): Don't print a reduction's lookahead
3120 set next to an item whose dot is not at the end of the RHS even if it
3121 happens to be associated with the same rule.
3123 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
3125 Add %define lr.keep_unreachable_states.
3126 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
3127 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
3128 * src/main.c (main): Implement it.
3129 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3130 Extend to test it, and fix a typo.
3132 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
3134 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
3135 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
3136 the example .output text.
3137 * tests/regression.at (Extra lookahead sets in report): Improve wording
3140 2007-10-17 Wojciech Polak <polak@gnu.org>
3142 * src/print-xml.c (print_grammar): Renamed
3143 <terminal> and <nonterminal> attributes:
3144 "type" to "number" and "symbol" to "name".
3145 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
3146 Use new attribute names.
3147 (xsl:template match="nonterminal"): Likewise.
3148 * data/xslt/xml2xhtml.xsl: Likewise.
3150 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
3152 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
3153 (Option Cross Key): Likewise.
3155 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
3156 next to an item whose dot is not at the end of the RHS even if it
3157 happens to be associated with the same rule.
3158 * src/print.c (print_core): Likewise.
3159 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
3160 (Resolved SR Conflicts): Update output.
3161 * tests/regression.at (Extra lookahead sets in report): New test case.
3163 2007-10-11 Wojciech Polak <polak@gnu.org>
3165 * src/print-xml.c (print_core): Remove item set
3167 * data/xslt/bison.xsl (bison:ruleNumber): New key.
3168 Improve processing time. Suggested by Joel E. Denny.
3169 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
3170 Write xsl:param "required" attribute as comment.
3171 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
3172 (xsl:template match="rule"): Support new reduced itemset.
3173 (xsl:template match="point"): Remove.
3174 * data/xslt/xml2xhtml.xsl: Likewise.
3176 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3178 * src/getargs.c (version): Update copyright year.
3180 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
3182 Make xml2dot.xsl and --graph produce the same output.
3183 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a ` '
3184 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
3186 (xsl:template name="output-node"): Use the new escape template instead
3187 of the string-replace template directly.
3188 (xsl:template name="output-edge"): Likewise.
3189 (xsl:template name="escape"): New, escapes backslashes and newlines in
3190 addition to quotation marks.
3191 * src/graphviz.c (start_graph, output_node, output_edge): Add
3192 whitespace to output for legibility.
3194 Make xml2text.xsl and --report produce the same output, and remove the
3195 XML "conflicts" element since a conflict summary is easily extracted
3197 * data/xslt/bison.xsl: New.
3198 (xsl:template match="state" mode="bison:count-conflicts): New.
3199 * data/xslt/xml2text.xsl: Import bison.xsl.
3200 (xsl:template match="bison-xml-report"): Instead of styling the
3201 "conflicts" element, style the "automaton" element with mode
3202 "conflicts". Unlike the former, the latter lists S/R and R/R
3203 conflicts for a state on the same line.
3204 (xsl:template match="conflicts"): Remove.
3205 (xsl:template match="conflict"): Remove.
3206 (xsl:template match="terminal"): Line-wrap the list of rules in which
3207 the terminal is used.
3208 (xsl:template match="nonterminal"): Likewise for nonterminals.
3209 (xsl:template match="automaton" mode="conflicts"): New.
3210 (xsl:template match="state" mode="conflicts"): New.
3211 (xsl:template name="line-wrap"): New.
3212 (xsl:template name="ws-search"): New.
3213 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
3214 (xsl:template match="bison-xml-report"): Instead of styling the
3215 "conflicts" element, style the "automaton" element with mode
3217 (xsl:template match="conflicts"): Remove.
3218 (xsl:template match="conflict"): Remove.
3219 (xsl:template match="automaton" mode="conflicts"): New.
3220 (xsl:template match="state" mode="conflicts): New.
3221 * src/conflicts.c (conflicts_output_xml): Remove.
3222 * src/conflicts.h (conflicts_output_xml): Remove prototype.
3223 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
3224 * src/print.c (print_grammar): Consistently wrap at the 66th column so
3225 the corresponding XSLT is easier. Also, never wrap between a word and
3226 the comma that follows it.
3228 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3230 Improve C++ namespace support. Discussed starting at
3231 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
3232 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
3233 b4_namespace_close): New macros that interpret the %define variable
3234 "namespace" so its value can contain "::" to indicate nested
3236 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
3238 * data/lalr1.cc (b4_namespace): Likewise.
3239 * data/location.cc (b4_namespace): Likewise.
3240 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
3241 inside a new table in the general %define entry. Document `%define
3242 namespace' there as well. Point the %name-prefix entry to it since it
3243 explains it more completely in the case of C++.
3244 (C++ Bison Interface): Mention `%define namespace' instead of
3246 (Table of Symbols): Remove the `%define push_pull' entry. The %define
3248 * tests/c++.at (Relative namespace references): New test case.
3249 (Absolute namespace references): New test case.
3250 (Syntactically invalid namespace references): New test case.
3251 * tests/input.at (C++ namespace reference errors): New test case.
3253 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
3255 Add syncline support and location accessor to internal %define
3257 * data/bison.m4 (b4_percent_define_get_loc): New.
3258 (b4_percent_define_get_syncline): New.
3259 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
3260 (b4_percent_define_default): Record defining location as line 1 rather
3261 than 0 for the sake of synchronizing #line's, and define
3262 b4_percent_define_syncline(VARIABLE).
3263 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
3264 * src/muscle_tab.c (muscle_syncline_grow): New.
3265 (muscle_code_grow): Use muscle_syncline_grow.
3266 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
3267 define b4_percent_define_syncline(VARIABLE).
3268 (muscle_percent_define_get_loc): New.
3269 (muscle_percent_define_get_syncline): New.
3270 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
3271 remove some unused variables.
3272 (muscle_percent_define_default): Record defining location as line 1
3273 rather than 0 for the sake of synchronizing #line's, and define
3274 b4_percent_define_syncline(VARIABLE).
3275 (muscle_percent_define_check_values): Use
3276 muscle_percent_define_get_loc.
3277 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
3278 (muscle_percent_define_get_syncline): Prototype.
3279 * tests/skeletons.at (%define Boolean variables: invalid skeleton
3280 defaults): Update output for location change.
3281 (Complaining during macro argument expansion): Extend to test
3282 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
3284 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
3286 Fix some error-reporting macro bugs.
3287 * data/bison.m4 (b4_cat): New.
3288 (b4_error, b4_error_at): Use b4_cat to send error directives directly
3289 to stdout so they don't become arguments to other macros. Update
3290 comments and add examples.
3291 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
3293 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
3294 after printing the error directive so that M4 doesn't report subsequent
3295 problems that are induced by this problem.
3296 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
3297 instead of just in them. Recognize @\n in both places. Both expand to
3298 the empty string. Needed by b4_cat.
3299 * tests/skeletons.at (Complaining during macro argument expansion):
3301 (Fatal errors make M4 exit immediately): New test case.
3303 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
3305 Implement --print-datadir.
3306 * src/getargs.c (usage): Mention.
3307 (PRINT_DATADIR_OPTION): New anonymous enum member.
3308 (long_options): Add entry for it.
3309 (getargs): Add case for it calling compute_pkgdatadir.
3310 * src/output.c (output_skeleton): Encapsulate data directory
3311 computation from here...
3312 (prepare): ... and from here...
3313 (compute_pkgdatadir): ... into this new function.
3314 * src/output.h (compute_pkgdatadir): Prototype.
3316 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
3318 * src/print-xml.c (escape_bufs): New static global variable
3320 (xml_escape_n): ... the static local variable buf here.
3321 (print_xml): Free memory for escape_bufs.
3322 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
3324 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
3326 Replace `%push-parser' and `%push-pull-parser' with
3327 `%define push_pull "push"' and `%define push_pull "both"'.
3328 `%define push_pull "pull"' is the default.
3329 * doc/bison.texinfo (Push Decl, Push Parser Function,
3330 Pull Parser Function, Parser Create Function, Parser Delete Function):
3331 Update declarations.
3332 (Decl Summary, Table of Symbols): Replace %push-parser and
3333 %push-pull-parser entries with a %define push_pull entry.
3334 * data/bison.m4 (b4_percent_define_check_values): New macro.
3335 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
3337 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
3339 * data/push.c: ... to here and compute them from the value of the
3340 %define variable push_pull.
3341 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
3342 parsing requests here...
3343 * data/yacc.c: ... hack this to switch to push.c any time
3344 b4_use_push_pull_flag or the %define variable push_pull is set. This
3345 will go away when we mv push.c yacc.c.
3346 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
3347 push parsing is not supported since unused %define variables are
3349 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
3350 * src/muscle_tab.h (muscle_percent_define_check_values): Update
3351 comments for consistency with b4_percent_define_check_values.
3352 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
3354 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
3356 (prologue_declaration): Remove %push-parser and %push-pull-parser
3358 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
3359 * tests/calc.at: Update declarations.
3360 * tests/input.at (%define enum variables): New test case.
3361 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
3363 (Push Parsing: Multiple impure instances): Update declaration.
3364 (Push Parsing: Unsupported Skeletons): New test case.
3365 * tests/torture.at (Exploding the Stack Size with Alloca): Update
3367 (Exploding the Stack Size with Malloc): Update declaration.
3369 2007-09-24 Wojciech Polak <polak@gnu.org>
3371 Add XSLT transformations.
3373 * data/xslt/xml2dot.xsl: Transform XML into DOT.
3374 * data/xslt/xml2text.xsl: Transform XML into plain text.
3375 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
3376 * data/Makefile.am (xsltdir): New variable.
3377 (dist_xslt_DATA): Add xslt/*.xsl files.
3379 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
3381 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
3382 Problem reported by Wojciech Polak.
3383 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
3384 (xml_printf): Undo change I made on 21 September; that is,
3385 indent 2 spaces, not 1.
3387 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
3389 Pacify ./configure --enable-gcc-warnings.
3390 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
3391 `char const *' instead of `char *'.
3392 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
3393 local variable `sep'.
3395 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
3397 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
3399 * src/print-xml.c: Prefer "const" after types; that's more consistent.
3400 (xml_printf): Indent just 1 space for level.
3401 (e_char, xlate_char): Remove.
3402 (xml_escape_string): Rewrite to avoid undefined behavior (used
3403 storage that was freed from the stack).
3404 (xml_escape_n): Don't bother checking for subscript error.
3406 2007-09-21 Wojciech Polak <polak@gnu.org>
3408 Add Bison XML Automaton Report.
3410 Add support for an -x option to generate an XML report.
3411 It is not documented yet.
3412 * src/print-xml.c: New file.
3413 * src/print-xml.h: Likewise.
3414 * lib/timevar.def (TV_XML): New var.
3415 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
3416 * src/conflicts.c: Include print-xml.h.
3417 (solved_conflicts_xml_obstack): New var.
3418 (log_resolution, conflicts_solve, conflicts_free):
3419 Add support for XML report.
3420 (conflicts_output_val): New function.
3421 * src/conflicts.h (conflicts_output_val): New decl.
3422 * src/files.c (spec_xml_file): New var.
3423 (compute_output_file_names, output_file_names_free): Add XML support.
3424 * src/files.h (spec_xml_file): New decl.
3425 * src/getargs.c (xml_flag): New var.
3426 (usage, short_options, long_options, getargs): Add XML support.
3427 * src/getargs.h (xml_flag): New decl.
3428 * src/gram.c: Include print-xml.h.
3429 (rule_lhs_print_xml, rule_rhs_print_xml):
3430 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
3432 * src/gram.h: Declare external ones.
3433 * src/main.c: Include print-xml.h.
3434 (main): Add XML support.
3435 * src/reduce.c: Include print-xml.h.
3436 (reduce_xml): New function.
3437 * src/reduce.h: Declare it.
3438 * src/state.c: Include print-xml.h.
3439 (state_new): Add XML support.
3440 (state_rule_lookahead_tokens_print_xml): New function.
3441 * src/state.h: Declare it.
3442 (struct state): New member solved_conflicts_xml.
3443 * src/symtab.c (symbol_class_get_string): New function.
3444 * src/symtab.h: Declare it.
3446 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
3448 * GNUmakefile: Switch to coreutils's version.
3449 * bootstrap: Likewise.
3450 * Makefile.cfg: Adjust to new GNUmakefile.
3451 * README-hacking: Likewise.
3455 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
3456 Bruno Haible <bruno@clisp.org>
3458 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
3459 and is a script that invokes bison. Tighten the code. Add comments.
3461 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
3463 Spell "boolean" as "Boolean". Reported by Akim Demaille.
3464 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
3465 * doc/bison.texinfo (Decl Summary): Fix.
3466 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
3467 * tests/input.at (Boolean %define variables): Update output.
3468 * tests/skeletons.at (%define boolean variables: invalid skeleton
3469 defaults): Rename to...
3470 (%define Boolean variables: invalid skeleton defaults): ... this and
3473 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
3475 In impure push mode, don't allow more than one yypstate to be allocated
3476 since multiple impure parsers would corrupt yynerrs.
3477 * data/push.c (yypstate_allocated): New static global variable
3479 (yypull_parse): If yypstate_new returns 0, don't report it as memory
3480 exhaustion if yypstate_allocated is 1, but still return 2.
3481 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
3482 already 1. Otherwise, set it to 1.
3483 (yypstate_delete): Set it to 0.
3484 * tests/push.at (Push Parsing: Multiple impure instances): New test
3487 2007-08-17 Bob Rossi <bob@brasko.net>
3489 * doc/bison.texinfo (Push Decl): Document the push parser.
3490 (Table of Symbols): Ditto.
3492 (Decl Summary): Ditto.
3493 (Multiple Parsers, Push Parser Function, Pull Parser Function,
3494 Parser Create Function, Parser Delete Function):
3495 Add new push parser symbols.
3496 (Table of Symbols): Document push-parser, push-pull-parser,
3497 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
3499 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
3502 * doc/gpl-3.0.texi: New file.
3503 * doc/gpl.texi: Remove.
3504 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
3505 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
3506 * README-hacking, TODO, bootstrap, bootstrap.conf:
3507 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
3508 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
3509 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
3510 * data/lalr1.cc, data/lalr1.java, data/location.cc:
3511 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
3512 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
3513 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
3514 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
3515 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
3516 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
3517 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
3518 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
3519 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
3520 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
3521 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
3522 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
3523 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
3524 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
3525 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
3526 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
3527 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
3528 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
3529 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
3530 * src/complain.c, src/complain.h, src/conflicts.c:
3531 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
3532 * src/files.h, src/flex-scanner.h, src/getargs.c:
3533 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
3534 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
3535 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
3536 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
3537 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
3538 * src/print.c, src/print.h, src/print_graph.c:
3539 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
3540 * src/reduce.h, src/relation.c, src/relation.h:
3541 * src/revision.h, src/scan-code.h, src/scan-code.l:
3542 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
3543 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
3544 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
3545 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
3546 * tests/Makefile.am, tests/actions.at, tests/c++.at:
3547 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
3548 * tests/existing.at, tests/glr-regression.at:
3549 * tests/headers.at, tests/input.at, tests/java.at:
3550 * tests/local.at, tests/output.at, tests/push.at:
3551 * tests/reduce.at, tests/regression.at, tests/sets.at:
3552 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
3556 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3558 Get rid of broken %no-parser, -n, and --no-parser implementation and
3560 * TODO: Don't mention them.
3561 * doc/bison.1: Likewise.
3562 * doc/bison.texinfo (Decl Summary): Likewise.
3563 (Bison Options): Likewise.
3564 (Option Cross Key): Likewise.
3565 * src/getargs.c (no_parser_flag): Remove global variable.
3566 (usage): Don't print description of -n and --no-parser.
3567 (long_options): Remove --no-parser entry here.
3568 (getargs): Remove -n case in the switch here.
3569 * src/getargs.h (no_parser_flag): Remove extern.
3570 * tests/regression.at (Web2c Actions): Remove comment that mentions
3573 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
3575 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
3576 name user variables starting with `yy'. Just pass NULL instead of a
3577 dummy local &yylval to yypush_parse.
3578 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
3581 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
3583 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
3584 true since it's then always used regardless of whether yyoverflow is
3585 defined. Reported by Christian Burger at
3586 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
3587 * THANKS: Add Christian Burger.
3589 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
3590 node names: say "Decl Summary" not "Bison Declaration Summary".
3592 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
3594 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
3595 determine whether this function has already complained about an invalid
3596 value for a %define boolean variable, don't check whether Bison has
3597 ever examined the value. As written, the check was a tautology.
3598 Instead, record and check for this complaint using a separate muscle.
3600 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
3602 Fix push parsing memory leak reported by Brandon Lucia at
3603 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
3604 * THANKS: Add Brandon Lucia.
3605 * data/push.c (yypstate_delete): Free the stack if it was reallocated
3606 but the parse never completed and thus freed it.
3607 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
3608 * tests/testsuite.at: Include push.at.
3609 * test/push.at: New.
3610 (Push Parsing: Memory Leak for Early Deletion): New test case.
3612 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
3614 Improve handling of multiple S/R conflicts in the same state and of S/R
3615 conflicts involving multiple reductions.
3616 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
3617 set for a state here or Bison will abort if it is reassigned on a
3618 later conflicted reduction in the same state.
3619 Similarly, don't finalize and assign the solved conflicts report here
3620 or it will be lost if it is reassigned on a later conflicted reduction
3622 (set_conflicts): Instead, assign them both here after all S/R conflicts
3623 in the state have been fully examined.
3624 * src/print.c (shift_set): Rename to...
3625 (no_reduce_set): ... this.
3626 (print_reductions): Update for rename, and add %nonassoc error action
3627 tokens to no_reduce_set so that, when printing the first remaining
3628 reduction on an error action token, the reduction is enclosed in
3630 (print_results): Update for rename.
3631 * tests/conflicts.at (Solved conflicts report for multiple reductions
3632 in a state): New test case.
3633 (%nonassoc error actions for multiple reductions in a state): New test
3636 * src/main.c (main): Don't depend on C99 features.
3638 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
3640 * build-aux/.cvsignore: Add compile.
3641 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
3644 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
3646 * bootstrap (slurp): Create target directories that don't exist.
3647 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
3649 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
3651 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
3653 * closure.c (closure): Likewise.
3654 * state.h (reductions): Comment sorting of rules.
3655 (state): Comment sorting of items.
3657 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
3659 Fix C++ test cases after recent Gnulib changes. Discussed starting at
3660 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
3661 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
3662 definition in order to avoid Gnulib headers since we don't use config.h
3664 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
3665 rather than AT_DATA so that config.h is included.
3667 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
3669 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
3670 instead of fprintf. Guard these functions with #if YYDEBUG instead of
3671 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
3672 and so that YYFPRINTF is guaranteed to be defined here.
3674 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
3676 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
3678 (muscle_percent_define_check_values): ... this more helpful function.
3679 Again, it's not used yet, but it will be.
3680 * src/muscle_tab.h: Likewise.
3682 Improve some comments in parser table construction.
3683 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
3684 (generate_states): Don't mention ruleset, which is internal to closure.
3685 * src/closure.c (closure): Explain sorting of core and itemset, which
3686 is required for this function to behave correctly.
3687 * src/closure.h (closure): Mention sorting.
3689 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
3691 * src/lalr.c (state_lookahead_tokens_count): For code readability,
3692 move the check for disabled transitions to an aver since conflict
3693 resolution hasn't happened yet.
3695 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
3696 labels a state as inconsistent just because it has error transitions.
3697 The original form of this check appeared in revision 1.1 of lalr.c,
3698 which was committed on 1991-12-21. Now (at least), changing the
3699 consistency label on such a state appears to have no useful effect in
3700 any of the places it is examined, which I enumerate below. The key
3701 point to understanding each item in this enumeration is that a state
3702 with an error transition is labelled consistent in the first place only
3703 if it has no rules, so the check cannot matter for states that have
3704 rules. (1) Labelling a state as inconsistent will cause set_conflicts
3705 to try to identify its conflicts, and a state must have *rules* to have
3706 conflicts. (2) Labelling a state as inconsistent will affect how
3707 action_row sets the default *rule* for the state. (3) Labelling a
3708 state as inconsistent will cause build_relations to add lookback edges
3709 to *rules* in that state.
3710 * src/state.h (struct state): Word the comment for member consistent
3713 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
3715 Don't depend on C99 features.
3716 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
3717 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
3718 * src/reader.c (check_and_convert_grammar): Fix for-loop.
3719 * src/state.c (state_mark_reachable_states): Fix for-loop.
3720 (state_remove_unreachable_states): Fix for-loop.
3722 Don't widen struct state with member reachable just to temporarily
3723 record reachability. Instead, use a local bitset.
3724 * src/state.h (struct state): Remove member.
3725 * src/state.c (state_new): Don't initialize it.
3726 (state_mark_reachable_states): Rename to...
3727 (state_record_reachable_states): ... this, and use bitset.
3728 (state_remove_unreachable_states): Use bitset.
3730 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
3732 * src/Makefile.am (yacc): Quote target action commands properly so
3733 that the yacc script isn't corrupt. Reported by Hans Aberg at
3734 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
3736 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
3737 the case of pure parsers. Reported by Frans Englich at
3738 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
3739 * THANKS: Add Frans Englich.
3741 * NEWS (2.3a+): In the %code entry, reference section `Bison
3742 Declaration Summary' from the manual now since the %code summary has
3744 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
3745 in the rules section must be terminated by semicolons.
3747 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
3749 Extend the front-end API for %define variables to more completely
3750 mirror the back-end. This will be useful in the future.
3751 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
3752 Update comments to mention the new front-end counterparts of these
3754 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
3755 for muscle_string_decode and muscle_location_decode.
3756 (muscle_string_decode): New static function.
3757 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
3758 (muscle_percent_define_get, muscle_percent_define_ifdef): New
3760 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
3761 muscle_percent_define_get to mimic the b4_percent_define_flag_if
3762 implementation more closely.
3763 (muscle_percent_define_invalid_value): New function.
3764 * src/muscle_tab.h (muscle_percent_define_get,
3765 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
3768 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
3770 * NEWS (2.3a+): Mention yesterday's state-removal change.
3771 (2.3a): Remove the %language entry, which was added after 2.3a.
3772 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
3773 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
3774 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
3775 tests/existing.at: Update copyright date.
3777 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3779 If conflict resolution makes states unreachable, remove those states,
3780 report rules that are then unused, and don't report conflicts in those
3782 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
3783 New global function.
3784 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
3786 * src/main.c (main): After conflict resolution, remove the unreachable
3787 states and update all data structures that reference states by number.
3788 * src/state.c (state_new): Initialize each state's reachable member to
3790 (state_mark_reachable_states): New static function.
3791 (state_remove_unreachable_states): New global function.
3792 * src/state.h (struct state): Add member bool reachable.
3793 (state_remove_unreachable_states): Prototype.
3794 * tests/conflicts.at (Unreachable States After Conflict Resolution):
3796 * tests/existing.at (GNU pic Grammar): Update test case output now that
3797 an unused rule is discovered.
3799 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
3801 Minor code cleanup in parser table construction.
3802 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
3803 (new_itemsets, save_reductions): Update for rename to nitemset.
3804 * src/closure.c (nritemset): Rename to...
3805 (nitemset): ... this since the "r" appears to meaningless and isn't
3806 used in the comments.
3807 (closure): Update for rename.
3808 * src/closure.h (nritemset): Update extern to...
3809 (nitemset): ... this.
3810 * src/lalr.c (LA): Fix a typo in comments.
3811 * src/print.c (print_core): Update for rename to nitemset.
3812 * src/print_graph.c (print_graph): Likewise.
3813 * src/state.h: Fix some typos in header comments.
3815 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
3817 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
3818 still sticks to ASCII. Sorry!
3820 * README-hacking: New file, taken mostly from coreutils, with changes
3821 for Bison. Contains much of the contents of:
3822 * README-cvs: Remove.
3823 * bootstrap: Sync from gnulib.
3824 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
3825 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
3827 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
3829 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
3831 (Java Differences): Fix some typos.
3832 * THANKS: Add Sebastian Setzer.
3834 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
3836 * data/java.m4 (b4_single_class_if): Remove.
3837 (b4_abstract_if): Look at "%define abstract".
3839 (b4_union_name): Rename...
3840 (b4_yystype): ... to this. Map to "%define stype".
3841 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
3842 b4_maybe_throws): Fix quoting.
3843 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
3844 * data/lalr1.java (Lexer interface): Always define.
3845 (Lexer interface within parser class): Remove.
3846 (YYLexer class): New, used when "%code lexer" is present.
3847 (constructor): When "%code lexer" is used, pass %lex-param
3848 to the lexer constructor.
3849 (yylex, yyparse): Remove %lex-param from method invocations
3850 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
3852 * doc/bison.texinfo (Java Bison Interface): Mention "%define
3853 abstract". Rename "%define union_name" to "%define stype".
3854 Rename method names according to previous patch.
3855 (Java Scanner Interface): Describe "%code lexer" instead of
3856 "%pure-parser" and "%define single_class".
3857 (Java Differences): Mention "%code lexer".
3859 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
3860 Include scanner here, using macros from tests/local.at.
3861 (AT_DATA_CALC_Y): Remove final argument.
3862 (_AT_CHECK_JAVA_CALC): Likewise.
3863 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
3864 of %locations and %error-verbose.
3865 (main): Test with and without %lex-param.
3866 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
3867 (AT_BISON_OPTION_POPDEFS): Pop it.
3869 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3871 DJGPP spefic issue. Inhibit the use of disallowed characters for
3872 file name genertion on Win98, WinXP, etc. These are |<>":?*\
3873 and concern testsuite case 46.
3874 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
3875 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
3876 * djgpp/config.bat: Inhibit the use of disallowed characters.
3878 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
3880 Miscellaneous %define and %code cleanup.
3881 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
3882 values are interpreted.
3883 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
3884 documentation a little more.
3885 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
3886 muscle_percent_define_insert, muscle_percent_code_grow): New
3888 * src/muscle_tab.h (muscle_percent_define_insert,
3889 muscle_percent_code_grow): Prototype.
3890 * src/parse-gram.y (prologue_declaration): Use
3891 muscle_percent_define_insert and muscle_percent_code_grow when parsing
3892 %define and %code directives.
3894 Make it easy to share %define boolean variables between the front-end
3895 and back-end. Though not used yet, this will be useful in the future.
3896 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
3897 Bison uses of names rather than just skeleton uses of names.
3898 (b4_percent_define_get, b4_percent_define_ifdef): Rename
3899 b4_percent_define_skeleton_variables(VARIABLE) to
3900 b4_percent_define_bison_variables(VARIABLE).
3901 (b4_percent_code_get, b4_percent_code_ifdef): Rename
3902 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
3903 b4_percent_code_bison_qualifiers(QUALIFIER).
3904 (b4_check_user_names_wrap): Update for renames.
3905 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
3906 muscle_percent_define_default): New functions mimicking
3907 b4_percent_define_flag_if and b4_percent_define_default.
3909 For %define variables, report locations for invalid values and
3911 * data/bison.m4 (b4_percent_define_flag_if): Read
3912 b4_percent_define_loc(VARIABLE) to report the location of an invalid
3914 (b4_percent_define_default): Save a special location in
3915 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
3916 must later be reported as invalid.
3917 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
3919 (muscle_percent_define_insert): Record the location of VARIABLE in
3920 muscle percent_define_loc(VARIABLE), and use it to report the previous
3921 location for a redefinition.
3922 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
3923 (muscle_percent_define_default): Update like b4_percent_define_default.
3924 (muscle_grow_user_name_list): Rename to...
3925 (muscle_user_name_list_grow): ... this for consistency and use
3926 muscle_location_grow.
3927 * src/muscle_tab.h (muscle_location_grow): Prototype.
3928 * tests/input.at (%define errors): Update expected output.
3929 * tests/skeletons.at (%define boolean variables: invalid skeleton
3930 defaults): New test case.
3932 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
3934 * src/print.c (lookahead_set, state_default_rule): Remove.
3935 (print_reductions): Replace state_default_rule invocation with
3936 equivalent use of yydefact, which was computed in token_actions in
3938 (print_results): Don't allocate lookahead_set.
3940 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
3942 * data/lalr1.java: Prefix all private members with yy.
3944 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
3946 Use YYFPRINTF instead of fprintf where appropriate. Reported by
3947 Sebastien Fricker at
3948 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
3949 * THANKS: Add Sebastien Fricker.
3950 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
3951 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
3952 accept a variable number of arguments.
3954 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
3956 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
3958 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
3960 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
3961 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
3962 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
3964 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
3966 Undo my 2007-02-07 change, switching back to the c-strcase module
3967 introduced in the 2007-02-03 change. Bruno Haible reported that
3968 the 2007-02-07 change would be dangerous in Turkish if we add a
3969 language whose name contains "i", since "i" is not lowercase "I"
3971 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
3972 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
3973 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
3974 * m4/.cvsignore: Remove strcase.m4.
3975 * src/getargs.c: Revert 2007-02-07 change, as follows.
3976 Include c-strcase.h.
3977 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
3979 2007-02-11 Bruno Haible <bruno@clisp.org>
3981 Enable the Java related testsuite tests when the only Java compiler
3982 found is a gcj < 4.3. Discussed at
3983 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
3984 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
3986 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
3988 * data/Makefile.am: Update copyright date.
3989 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
3990 yypstate_new returns NULL.
3991 (yypstate_new): Return NULL if malloc does.
3992 * src/reader.c (packgram): Move translation of rule actions from the
3993 beginning of packgram to...
3994 (check_and_convert_grammar): ... here right before packgram is invoked
3995 so it's easier to write more complete comments, and remove redundant
3998 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
4000 As in semantic actions, make @$ in %initial-action, %destructor, and
4001 %printer imply %locations.
4002 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
4004 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
4005 (@$ in %initial-action implies %locations,
4006 @$ in %destructor implies %locations,
4007 @$ in %printer implies %locations): ... these new test cases.
4009 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
4011 Undo most of the 2007-02-03 change, switching to the strcase module
4012 now that gnulib strcase has been fixed.
4013 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
4014 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
4015 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
4016 * m4/.cvsignore: Add strcase.m4.
4017 * src/getargs.c: Revert 2007-02-03 change, as follows.
4018 Don't include c-strcase.h.
4019 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
4020 strcasecmp has "unspecified behavior" outside the POSIX locale,
4021 but it works fine in practice if at least one argument is ASCII,
4022 as is the case in Bison.
4024 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
4026 * tests/java.at: Skip tests if only one of javac/java is present.
4027 Reported by Joel E. Denny.
4028 * tests/atlocal.in: Adjust copyright years.
4030 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
4032 * data/lalr1.java (Stack): Work around old verifiers that disallow
4033 access to the private fields of an inner class, from the outer class.
4034 We can make Stack's fields public because user code doesn't have access
4035 to the instance of Stack used by parse(). Reported by Paul Eggert.
4037 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
4039 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
4040 the right spot for these files?
4041 * bootstrap.conf (gnulib_modules): Add c-strcase.
4042 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
4044 * src/getargs.c: Include c-strcase.h.
4045 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
4046 to avoid unspecified behavior.
4048 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
4050 * doc/bison.texinfo (Decl Summary): Correct typo.
4052 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
4054 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
4055 Complain if the value does not match empty, "true" or "false".
4056 * data/c++.m4: Adjust default definitions of %define variables.
4057 * data/java.m4: Adjust default definitions of %define variables.
4058 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
4060 * tests/input.at (Boolean %define variables): Test new behavior.
4062 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
4064 * NEWS: Mention java.
4065 * TODO: Remove things that are done.
4066 * bootstrap.conf: Add javacomp-script and javaexec-script.
4067 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
4069 * data/Makefile.am: Add new files.
4070 * data/java-skel.m4: New.
4071 * data/java.m4: New.
4072 * data/lalr1.java: New.
4074 * doc/bison.texinfo: Put "A Complete C++ Example" under
4075 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
4076 under Other Languages.
4078 * src/getargs.c (valid_languages): Add Java.
4079 * src/getargs.h (struct bison_language): Update size of string fields.
4081 * tests/Makefile.am: Add java.at.
4082 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
4083 * tests/java.at: New.
4084 * tests/testsuite.at: Include it.
4086 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
4089 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
4090 at_directive_argv arguments so these no longer have to be global
4091 variables. Also, update the implementation for the following changes.
4092 (fail_for_at_directive_too_many_args,
4093 fail_for_at_directive_too_few_args): Add at_directive_name argument.
4094 (at_directive_name): Remove as at_directive_argv[0] will be used for
4096 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
4097 for the directive name.
4098 (at_directive_argc, at_directive_argv): Make these local within
4099 skel_lex instead of global.
4100 (INITIAL): Update directive start action for above changes.
4101 (SC_AT_DIRECTIVE_ARG): Rename to...
4102 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
4103 (SC_AT_DIRECTIVE_SKIP_WS): Update.
4104 (scan_skel): Move yylex_destroy to...
4105 (skel_scanner_free): ... here.
4106 * tests/skeletons.at (installed skeleton file name): Rename to...
4107 (installed skeleton file names): ... this.
4109 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
4111 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
4112 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
4113 Summary" not "Directives".
4114 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
4115 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
4116 since the former is now the more complete one.
4117 (Prologue Alternatives): Likewise and do the same for %defines.
4118 (Table of Symbols): Add summary of %code, add summary of %define, and
4119 move full %code documentation to...
4120 (Decl Summary): ... here for consistency with other entries in these
4122 Move %define entry in order to keep this list alphabetized.
4123 Reword %define entry a little to put less emphasis on the skeleton
4124 concept, which most users shouldn't have to think about.
4126 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
4128 Adjust to recent gnulib changes.
4129 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
4130 Add string.h, string_.h, unistd_.h, wchar_.h.
4131 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
4132 * src/system.h: Don't include <stpcpy.h>; this is now done by
4135 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
4137 Simplify implementation of unqualified %code, implement macros for
4138 uniform treatment of boolean %define flags. Document %define.
4139 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
4140 b4_percent_code_ifdef): New.
4141 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
4142 * data/c++.m4: Define default value for global_tokens_and_yystype.
4143 * data/glr.cc: Likewise.
4144 * data/location.cc: Use b4_percent_define_flag_if.
4146 * doc/bison.texinfo (Decl Summary): Document %define.
4148 * src/parse-gram.y (Unqualified %code): Change muscle name to
4150 (content.opt): Default to empty.
4152 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4154 Implement support for relative and absolute skeleton file names.
4155 Discussed starting at
4156 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
4157 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
4158 (Bison Options): Document in --skeleton entry.
4159 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
4160 full_skeleton can't necessarily hold all of pkgdatadir.
4161 If the specified skeleton file name contains a `/', don't prepend
4163 * src/parse-gram.y (prologue_declaration): If the specified skeleton
4164 file name contains a `/', prepend the grammar file directory.
4165 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
4166 * skeletons.at: New file.
4167 (relative skeleton file names): New test case.
4168 (installed skeleton file names): New test case.
4169 * tests/testsuite.at: Include skeletons.at.
4171 * bootstrap: Update copyright to 2007.
4173 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
4175 * bootstrap: Remove occurrences of .#bootmp from the files.
4177 2007-01-17 Akim Demaille <akim@epita.fr>
4179 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
4181 Use per-type %printer.
4183 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
4185 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
4186 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4187 djgpp/config.site, src/files.c, src/files.h, src/main.c,
4188 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
4189 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
4190 tests/glr-regression.at, tests/input.at, tests/local.at,
4191 tests/output.at, tests/torture.at: Update copyright to 2007.
4193 2007-01-16 Akim Demaille <akim@epita.fr>
4195 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
4197 (Calc++ Scanner): Exit with failure if we can't open the input
4199 Accept "-" standing for stdin.
4200 (Calc++ Top Level): Print the result only if the parsing was
4203 2007-01-16 Akim Demaille <akim@epita.fr>
4205 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
4207 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
4208 and Joel E. Denny <jdenny@ces.clemson.edu>
4210 Clean up %define and %code implementation in M4 some. Most
4211 importantly, rename all related macros to be in the b4_percent_define
4212 and b4_percent_code namespaces. Also, complete support for `.' in
4213 %define variable names and %code qualifiers.
4214 * data/bison.m4 (b4_check_user_names): Check for special
4215 "SKELETON-NAMESPACE(name)" macros instead of using two nested
4217 (b4_get_percent_define, b4_get_percent_code): Rename to...
4218 (b4_percent_define_get, b4_percent_code_get): ... these.
4219 Extend documentation with examples.
4220 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
4221 b4_percent_define_skeleton_variables and
4222 b4_percent_code_skeleton_qualifiers.
4223 Expect any value for the %define variable `foo' to be stored in the
4224 macro named `b4_percent_define(foo)'; expect any %code blocks for the
4225 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
4226 expect any unqualified %code blocks to be stored in a macro named
4227 `b4_percent_code_unqualified'.
4228 Use m4_indir so that %define variable names and %code qualifiers can
4229 contain `.', which is allowed by the grammar parser.
4230 (b4_percent_define_default): New macro to set a default value for a
4232 (m4_wrap): Update wrapped code, and fix some underquoting.
4233 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
4234 Expect grammar uses of %define variables and %code qualifiers to be
4235 defined in b4_percent_define_user_variables and
4236 b4_percent_code_user_qualifiers.
4237 * data/c++.m4: Use b4_percent_define_default rather than
4238 m4_define_default. Fix some underquoting. Skeleton usage of %define
4239 variable define_location_comparison now implies skeleton usage of
4240 %define variable filename_type.
4241 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4242 data/push.c, data/yacc.c: Update macro names.
4243 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
4246 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4248 DJGPP specific issues.
4250 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
4251 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
4253 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4255 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
4256 run parsers in all tests so that Valgrind is invoked during
4257 maintainer-check-valgrind.
4258 (Duplicate representation of merged trees): Free all semantic values.
4259 (Duplicated user destructor for lookahead): Likewise.
4261 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4263 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
4264 command-line prefix.
4265 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
4266 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
4267 miss Valgrind messages.
4268 (Exploding the Stack Size with Malloc): Likewise.
4270 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
4272 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
4273 locals. Reported by Juan Manuel Guerrero at
4274 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
4275 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
4276 Fix some indentation also.
4277 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
4278 explaining this issue.
4280 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
4281 and Joel E. Denny <jdenny@ces.clemson.edu>
4283 Simplify union and prologue handling, and escape union and lex/parse
4284 params with digraphs.
4285 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
4286 values to the empty string since these are no longer guaranteed
4287 initialized by the front-end.
4288 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
4289 braces around b4_user_stype since this is no longer done by the
4291 * src/files.c, src/files.h (pre_prologue_obstack,
4292 post_prologue_obstack): Remove.
4293 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
4294 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
4295 with digraphs. This fixes lex params and parse params.
4296 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
4297 * src/output.c (prepare): Remove muscle insertion of the prologues.
4298 (output): Remove freeing of pre_prologue_obstack and
4299 post_prologue_obstack.
4300 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
4301 than prologue_augment for prologue parsing so you don't need prologue
4303 (grammar_declaration): For %union RHS, use `braceless' instead of
4304 "{...}" so that braces are already stripped and code is escaped with
4306 * src/reader.c (prologue_augment): Remove.
4307 (reader): Remove initialization of pre_prologue_obstack and
4308 post_prologue_obstack.
4309 * src/reader.h (prologue_augment): Remove.
4311 * data/c.m4: Remove stray parenthesis.
4313 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4315 Remove quotes from variables names in %define directives and from
4316 qualifiers in %code directives, and restrict the characters that are
4317 allowed in them to M4-friendly ones. For %define, continue to support
4318 the quoted form as a deprecated feature. Discussed starting at
4319 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
4320 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
4322 * doc/bison.texinfo (Prologue Alternatives): Update.
4323 (Decl Summary): In %defines entry, update mention of `%code requires'
4324 and `%code provides'.
4325 (C++ Location Values): Update %define uses.
4326 (Calc++ Parser Interface): Likewise.
4327 (Calc++ Parser): Likewise, and update `%code requires' uses.
4328 (Table of Symbols): Update %code documentation.
4329 * src/parse-gram.y (prologue_declaration): For %define variables, use
4330 `variable' instead of `STRING'.
4331 (grammar_declaration): For %code qualifiers, use `ID' instead of
4333 (variable): New nonterminal that takes an `ID' or a `STRING'.
4334 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
4336 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
4337 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
4338 (%define errors): Update %define uses.
4340 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4342 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
4343 instead of muscle_insert for %define values so that M4-special
4344 characters are replaced with digraphs.
4345 * tests/input.at (%define errors): Extend to check weird values.
4347 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4349 Instead of having skeletons declare all valid %define variables and
4350 %code qualifiers, provide macros that retrieve the associated values
4351 and build these lists automatically. Thus Bison will now warn when a
4352 variable or qualifier is not used by the skeleton in the current
4353 invocation regardless of whether it might sometimes be used by that
4354 skeleton in other invocations. Also, move all %define value macros to
4355 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
4356 form, which is replaced by %code.
4357 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
4358 (b4_check_user_names): ... this, and change the series of valid name
4359 arguments to a single list argument for names used in the skeleton
4360 similar to the existing list argument for names used in the grammar.
4361 Warn instead of complaining.
4362 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
4363 values and %code code, to format %code code properly, and to build
4364 lists of all %define variables and %code qualifiers used in the
4365 skeleton: b4_skeleton_percent_define_variables and
4366 b4_skeleton_percent_code_qualifiers.
4367 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
4369 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
4370 the skeleton names lists can finish building first. In place of
4371 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
4372 expect the lists b4_user_percent_define_variables and
4373 b4_user_percent_code_qualifiers.
4374 * data/c++.m4: Where setting default values for b4_parser_class_name,
4375 b4_location_type, b4_filename_type, b4_namespace, and
4376 b4_define_location_comparison, update their names to the
4377 b4_percent_define_ namespace.
4378 * data/glr.c: Don't use b4_check_percent_define_variables and
4379 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
4380 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
4381 (b4_parser_class_name, b4_namespace): Define these using
4382 b4_get_percent_define for parser_class_name and namespace.
4383 * data/location.cc: Use b4_get_percent_define.
4384 * data/push.c: Don't use b4_check_percent_define_variables and
4385 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
4386 * data/yacc.c: Likewise, and don't call m4_exit in
4387 b4_use_push_for_pull_if or m4_wrap code will never execute.
4388 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
4390 (muscle_grow_user_name_list): ... this for consistency with the
4391 terminology used in bison.m4.
4392 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
4393 %define variable names, and rename muscle used_percent_define_variables
4394 to user_percent_define_variables.
4395 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
4396 user_percent_code_qualifiers.
4398 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
4399 {CODE} form is no longer accepted.
4400 * tests/input.at (Reject bad %code qualifiers): Rename to...
4401 (Reject unused %code qualifiers): ... this, and update test output.
4402 (%define error): Update test output.
4404 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
4406 Check for unrecognized %define variables similar to checking for
4407 unrecognized %code qualifiers. Check for redefined %define variables.
4408 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
4410 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
4411 (b4_check_percent_define_variables): New, also wraps it.
4412 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
4413 variables using b4_check_percent_define_variables.
4414 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
4415 all those exercised in the test suite and all those listed in the
4416 `Default values' section of c++.m4. Are there others?
4417 * data/push.c, data/yacc.c: Declare no valid %define variables.
4418 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
4419 similar to muscle_find, but it works even when the muscle stores a
4421 (muscle_grow_used_name_list): New function for constructing the used
4422 name list muscles that b4_check_for_unrecognized_names requires.
4423 * src/parse-gram.y (prologue_declaration): Warn if a variable is
4424 %define'd more than once. Define the b4_used_percent_define_variables
4425 muscle with muscle_grow_used_name_list.
4426 (grammar_declaration): Abbreviate %code code with
4427 muscle_grow_used_name_list.
4428 * tests/input.at (%define errors): New.
4430 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4432 Provide warn_at, complain_at, and fatal_at function callbacks to the
4433 skeletons, and use this for %code qualifier complaints.
4434 * data/bison.m4 (b4_error_at): New, invoked by...
4435 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
4436 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
4437 @fatal_at(...@) directives.
4438 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
4439 qualifiers in b4_used_percent_code_qualifiers and to use
4441 * src/location.c, src/location.h (boundary_set_from_string): New global
4443 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
4445 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
4446 to b4_used_percent_code_qualifiers.
4447 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
4449 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
4450 (lineno): Rename to...
4451 (out_lineno): ... this so I don't misunderstand it again.
4452 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
4453 here; these newlines are in the input but not the output file.
4454 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
4455 (at_directive_perform): ... this new static function, and add handling
4456 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
4458 * tests/input.at (Reject bad %code qualifiers): Update test output with
4459 locations and extend.
4461 * tests/output.at (Output file name: [, Output file name: ]): Remove
4462 bogus comment about these tests failing.
4464 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4466 Clean up b4_check_percent_code_qualifiers a little.
4467 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
4468 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
4469 documentation and add examples.
4470 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
4473 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
4475 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
4476 unreliable -- especially when they're hidden inside another macro.
4477 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
4478 data/c.m4: Remove m4_divert(-1).
4479 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
4480 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
4481 m4_divert_push(0) and m4_divert_pop(0).
4482 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
4483 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
4484 pushed and popped by m4sugar, should be first on the stack.
4486 Provide warn, complain, and fatal function callbacks to the skeletons.
4487 This provides more flexibility than m4_fatal, improves the error
4488 message format, and captures messages for translation. Discussed
4490 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
4491 * data/bison.m4 (b4_error): New, invoked by...
4492 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
4493 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
4494 directives. Because these M4 macros might be called when the current
4495 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
4496 the previous removal of uses of m4_divert, which caused trouble.
4497 (b4_check_percent_code_qualifiers): Use b4_complain instead of
4498 m4_fatal to report unrecognized %code qualifiers.
4499 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
4500 push parser requests.
4501 * data/glr.c: Use b4_complain instead of m4_fatal to report
4502 non-deterministic push parser requests.
4503 Update @output usage to @output(...@) form.
4504 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
4505 report missing %defines. Update @output usage to @output(...@) form.
4506 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
4508 * src/main.c (main): Invoke skel_scanner_free.
4509 * src/scan-skel.h (skel_scanner_free): Prototype new function.
4510 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
4511 obstack_for_string from flex-scanner.h.
4512 (YY_DECL): Use to declare skel_lex static.
4513 (decode_at_digraphs): Remove; now handled in the new
4514 SC_AT_DIRECTIVE_ARG start condition.
4515 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
4517 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
4518 at_directive_argv): New static globals.
4519 (INITIAL): Use fail_for_invalid_at.
4520 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
4521 recognize the start of a generalized `@directive(...@)' form and
4523 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
4524 directive args (using the new obstack_for_string), to decode the
4525 contained @ diagraphs, and to perform the directive. It recognizes
4526 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
4528 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
4529 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
4531 (scan_skel): Initialize obstack_for_string on the first call.
4532 (skel_scanner_free): New function to free obstack_for_string.
4533 * tests/input.at (Reject bad %code qualifiers): Update test output.
4535 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
4537 Consolidate the 4 prologue alternative directives (%code, %requires,
4538 %provides, and %code-top) into a single %code directive with an
4539 optional qualifier field. Discussed at
4540 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
4541 * NEWS (2.3a+): Rewrite the existing entry for the prologue
4543 * doc/bison.texinfo (Prologue Alternatives): Update.
4544 (Decl Summary): Update to %code "requires" and %code "provides".
4545 (Calc++ Parser): Update to %code "requires".
4546 (Table of Symbols): Remove entries for %requires, %provides, and
4547 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
4548 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
4549 are replaced by b4_percent_code_provides and b4_percent_code_requires,
4550 which are skeleton-specific.
4551 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
4552 declare what %code qualifiers it supports and to complain if any other
4553 qualifiers were used in the grammar.
4554 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
4555 and b4_user_code([b4_percent_code_provides]) in place of
4556 b4_user_requires and b4_user_provides.
4557 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
4558 Add b4_user_code([b4_percent_code_top]) and
4559 b4_user_code([b4_percent_code]).
4560 Invoke b4_check_percent_code_qualifiers.
4561 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4562 PERCENT_REQUIRES): Remove.
4563 (grammar_declaration): Remove RHS's for %code-top, %provides, and
4564 %requires. Rewrite the %code RHS as the unqualified form defining the
4565 muscle b4_percent_code. Add another RHS for the qualified %code form,
4566 which defines muscles of the form b4_percent_code_QUALIFIER and the
4567 b4_used_percent_code_qualifiers muscle.
4568 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
4569 PERCENT_REQUIRES): Remove.
4570 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
4571 %code "requires" and %code "provides".
4572 * tests/input.at (Reject bad %code qualifiers): New.
4574 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4576 Use the new code_props interface for destructors and printers.
4577 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
4578 printer_location members, and change the type of the destructor and
4579 printer members to code_props.
4580 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
4581 symbol_printer_get, semantic_type_destructor_set,
4582 semantic_type_printer_set, default_tagged_destructor_set,
4583 default_tagless_destructor_set, default_tagged_printer_set,
4584 default_tagless_printer_set): Use code_props in arguments and return
4585 types in place of char const * and location.
4586 (symbol_destructor_location_get, symbol_printer_location_get): Remove
4587 since the locations are now contained in the return of
4588 symbol_destructor_get and symbol_printer_get.
4589 * src/output.c (symbol_destructors_output, symbol_printers_output):
4591 (symbol_code_props_output): ... this to eliminate duplicate code.
4592 (output_skeleton): Update to use symbol_code_props_output.
4593 * src/reader.c (symbol_should_be_used): Update use of
4594 symbol_destructor_get.
4595 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
4596 Update uses of the various _destructor_set and _printer_set functions.
4597 * src/symtab.c: (default_tagged_destructor_location,
4598 default_tagless_destructor_location, default_tagged_printer_location,
4599 default_tagless_printer_location): Remove since we...
4600 (default_tagged_destructor, default_tagless_destructor,
4601 default_tagged_printer, default_tagless_printer): ... change the type
4602 of these to code_props.
4603 (symbol_new, semantic_type_new, symbol_destructor_set,
4604 semantic_type_destructor_set, symbol_destructor_get,
4605 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
4606 symbol_check_alias_consistency, default_tagged_destructor_set,
4607 default_tagless_destructor_set, default_tagged_printer_set,
4608 default_tagless_printer_set): Update.
4609 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
4610 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
4612 (symbol_print): Use SYMBOL_CODE_PRINT.
4614 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
4616 Use the new code_props interface for rule actions.
4617 * src/symlist.h (symbol_list): Replace action, action_location, and
4618 used members with a code_props action_props member.
4619 * src/reader.c (symbol_should_be_used, grammar_rule_check,
4620 grammar_midrule_action, grammar_current_rule_merge_set,
4621 grammar_current_rule_symbol_append, packgram): Update.
4622 * src/scan-code.h (translate_rule_action): Remove, no longer used.
4623 * src/scan-code.l (handle_action_dollar): Update.
4624 (translate_rule_action): Remove, no longer used.
4625 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
4627 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4629 Use the new code_props interface in parse-gram.y.
4630 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
4631 Update all uses of translate_* functions to use the new code_props
4632 interface and to use gram_scanner_last_string_free and
4633 code_scanner_last_string_free where possible.
4634 (grammar_declaration): symbol_list_destructor_set and
4635 symbol_list_printer_set now perform the translation, so don't do it
4636 here. Use gram_scanner_last_string_free where possible.
4637 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
4638 translate_code): Remove, no longer used.
4639 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
4640 symbol_list_printer_set): Perform code translation here rather than
4641 depending on the caller to do so.
4643 * src/symlist.h (struct symbol_list): Correct some documentation typos.
4644 * src/scan-gram.h (gram_last_string): Remove declaration.
4645 * src/scan-gram.l (last_string): Declare it static.
4647 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4649 Encapsulate code properties and related functionality for the various
4650 destructors, printers, and actions into a code_props structure and
4651 interface. This patch merely implements code_props in scan-code.h and
4652 scan-code.l. Future patches will rewrite other modules to use it.
4653 Discussed starting at
4654 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
4655 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
4656 consistently initialize const structs that have an empty location
4658 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
4659 to ensure consistency.
4660 * src/scan-code.h (code_props): New structure.
4661 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
4662 function, macro, and const global variable for initializing a
4663 code_props with no code.
4664 (code_props_plain_init, code_props_symbol_action_init,
4665 code_props_rule_action_init, code_props_translate_code): The rest of
4666 the new code_props functional interface. Among other things, the init
4667 functions set the code_props kind field so that
4668 code_props_translate_code will know whether to behave like
4669 translate_symbol_action, translate_rule_action, or translate_code.
4670 These old translate functions must remain until all other modules are
4671 updated to use the new code_props interface.
4672 (code_scanner_last_string_free): New function similar to
4673 gram_scanner_last_string_free.
4674 (code_scanner_free): Add documentation.
4675 * src/scan-code.l: Implement the new interface.
4676 (code_lex): Make it static, add a code_props* argument, and remove the
4678 (last_string): New static global similar to the one in scan-gram.l.
4679 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
4681 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
4682 code_props since Bison may one day use this information for destructors
4684 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
4685 (handle_action_dollar): Use symbol_list_n_get and set used flag
4686 directly since symbol_list_n_used_set is removed.
4687 (translate_action): Add a code_props* argument and remove the rule,
4688 action, and location arguments. Pass the code_props* on to code_lex.
4689 (translate_rule_action, translate_symbol_action, translate_code):
4690 Rewrite as wrappers around the new code_props interface.
4691 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
4692 it would eventually need to break the encapsulation of code_props.
4694 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4696 * etc/.cvsignore: New.
4698 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
4700 Add maintainer-push-check to run maintainer-check using push parsing in
4701 place of pull parsing where available.
4702 * Makefile.am (maintainer-push-check): New.
4703 * data/bison.m4 (b4_use_push_for_pull_if): New.
4704 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
4705 appropriately based on their existing values.
4706 (yypush_parse): Don't print push-parser-specific diagnostics if push
4707 parsing is being used in place of pull parsing.
4708 * data/yacc.c: If push parsing should replace pull parsing, redirect to
4710 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
4711 variable, and insert b4_use_push_for_pull_flag into muscles.
4712 * tests/Makefile.am (maintainer-push-check): New.
4714 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4716 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
4717 (whether successful or failed) so that yypush_parse can be invoked
4718 again to start a new parse using the same yypstate.
4719 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
4720 check multiple yypull_parse invocations on the same yypstate. For pull
4721 mode, extend to check multiple yyparse invocations.
4722 (Exploding the Stack Size with Alloca): Extend to try with
4724 (Exploding the Stack Size with Malloc): Likewise.
4726 * tests/calc.at (Simple LALR Calculator): Don't specify
4727 %skeleton "push.c" since %push-pull-parser implies that now.
4728 * tests/headers.at (export YYLTYPE): Don't check for the push
4729 declarations. Otherwise, this test case can't be used to see if push
4730 mode can truly emulate pull mode.
4731 * tests/input.at (Torturing the Scanner): Likewise.
4732 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
4733 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
4734 AT_YACC_IF, which now includes the case of push mode since %skeleton
4735 need not be used for push mode. This will be more intuitive once
4736 push.c is renamed to yacc.c.
4738 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
4740 For push mode, convert yyparse from a macro to a function, invoke yylex
4741 instead of passing a yylexp argument to yypull_parse, and don't
4742 generate yypull_parse or yyparse unless %push-pull-parser is declared.
4743 Discussed starting at
4744 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
4745 * data/bison.m4 (b4_pull_if): New.
4746 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
4747 * data/push.c: Improve M4 quoting a little.
4748 (b4_generate_macro_args, b4_parenthesize): Remove.
4749 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
4750 any time a pull parser is requested.
4751 Don't #define this as a wrapper around yypull_parse. Instead, when
4752 both push and pull are requested, make it a function that does that
4754 (yypull_parse): If there's a b4_prefix, #define this to
4755 b4_prefix[pull_parse] when both push and pull are requested.
4756 Don't define this as a function unless both push and pull are
4758 Remove the yylexp argument and hard-code yylex invocation instead.
4759 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
4761 * src/getargs.c (pull_parser): New global initialized to true.
4762 * getargs.h (pull_parser): extern it.
4763 * src/output.c (prepare): Insert pull_flag muscle.
4764 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
4765 (prologue_declaration): Set both push_parser and pull_parser = true for
4766 %push-pull-parser. Set push_parser = true and pull_parser = false for
4768 * src/scan-gram.l: Don't accept %push_parser as an alternative to
4769 %push-parser since there's no backward-compatibility concern here.
4770 Scan %push-pull-parser.
4771 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
4772 instead of %push-parser.
4773 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
4774 prototype it in the module that calls yyparse.
4775 * tests/input.at (Torturing the Scanner): Likewise.
4776 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
4778 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
4780 Update etc/bench.pl. Optimize push mode a little (the yyn change
4781 deserves most of the credit).
4782 * Makefile.am (SUBDIRS): Add etc subdirectory.
4783 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
4784 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
4785 yytoken, yyval, and yyloc declarations to...
4786 (yyparse or yypush_parse): ... here to improve performance. For
4787 yypush_parse invocations after the first, be sure to assign yyn its old
4789 (yypstate_new): Don't bother initializing the yyresult field since the
4790 initial value isn't used.
4791 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
4792 remove the #define that, in push mode, set it to yyps->NAME.
4793 * etc/Makefile.am: New.
4794 * etc/bench.pl: Remove and build it instead from...
4795 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
4796 "tests/bison" from the build directory by default rather than just
4797 invoking "bison" from $PATH.
4798 (calc_grammar): Update push parser code: don't declare yylval globally,
4799 don't define yyparse_wrapper, and don't #define yyparse.
4800 (bench_grammar): Update to check all working combinations of yacc.c,
4801 push.c, impure, pure, pull, and push.
4803 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4805 For push mode, add pull wrappers around yypush_parse.
4806 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
4807 (yypull_parse): New function wrapping yypush_parse.
4808 (yyparse): New #define wrapping yypull_parse.
4809 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
4811 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
4812 prototype yylex in the module that calls yyparse, and don't prototype
4813 yyparse there. Otherwise, the yyparse expansion won't compile.
4814 * tests/input.at (Torturing the Scanner): Likewise.
4816 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
4818 Enable push parsers to operate in impure mode. Thus, %push-parser no
4819 longer implies %pure-parser. The point of this change is to move
4820 towards being able to test the push parser code by running the entire
4821 test suite as if %push-parser had been declared.
4822 * data/push.c (yypush_parse): For impure mode, remove the
4823 yypushed_char, yypushed_val, and yypushed_loc arguments.
4824 Instead, declare these as local variables initialized to the global
4825 yychar, yylval, and yylloc.
4826 For the first yypush_parse invocation only, restore the initial values
4827 of these global variables when it's time to read a token since they
4828 have been overwritten.
4829 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
4831 * tests/calc.at (Simple LALR(1) Calculator): Always declare
4832 %pure-parser along with %push-parser since this test case was designed
4833 for pure push parsers.
4834 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
4835 (AT_YACC_OR_PUSH_IF): New.
4836 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
4837 add a note that it's still wrong for some cases (as it has been for a
4839 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
4840 %push-parser no longer implies %pure-parser.
4842 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4844 Remove some unnecessary differences between the pull parser code and
4845 the push parser code. This patch enables yynerrs in push mode.
4846 * data/push.c: Reformat M4 a little.
4847 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
4848 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
4849 because push mode is on. Instead, if pure mode is on, move yynerrs
4851 (b4_declare_parser_state_variables): ... here.
4852 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
4853 to yyps->NAME so it can be used in yypush_parse.
4854 (yypush_parse): Don't omit uses of yynerrs in push mode.
4856 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4858 Fix bug such that the first pushed token's value and location are
4859 sometimes overwritten (sometimes by %initial-action) before being used.
4860 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
4861 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
4862 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
4863 more closely mimic the pull parser logic.
4864 Don't copy the pushed token to yychar, yylval, and yylloc until it's
4865 time to read a token, which is after any initialization of yylval and
4867 (gottoken): Rename label to...
4868 (yyread_pushed_token): ... for clarity and to avoid infringing on the
4871 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
4873 Rearrange initialization of the parser state variables so that the
4874 skeleton doesn't have to have a copy for pull mode and another for push
4875 mode. This patch also fixes at least a bug such that yylloc was not
4876 initialized (with b4_location_initial_line and
4877 b4_location_initial_column) upon calling yypush_parse. However, that
4878 initialization now overwrites the first token's location;
4879 %initial-action assigning @$ already did the same thing, and both bugs
4880 will be fixed in a later patch.
4881 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
4882 (b4_declare_parser_state_variables): Remove initialization of yytoken,
4883 yyss, yyvs, yyls, and yystacksize.
4884 (yypstate_new): Remove initialization of some yypstate fields: yystate,
4885 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
4887 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
4888 yyps->NAME so it can be used in yypush_parse.
4889 (yyparse or yypush_parse): For yypush_parse, don't print the
4890 "Starting parse" diagnostic for invocations after the first.
4891 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
4892 yypush_parse, only do it for the first invocation.
4893 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
4894 initialization to occur in yypush_parse but only on the first
4897 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4899 * data/push.c: Add CPP guards around push parser declarations in both
4900 the header and the code file.
4901 In the code file, move the push parser declarations to the same place
4902 they appear in the header file.
4903 Clean up the M4 some, especially the inconsistent underquoting in
4904 some b4_c_function_def and b4_c_function_decl uses.
4906 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4908 Encapsulate the push parser state variables into an M4 macro so the
4909 push skeleton doesn't have to list them again for pull mode's yyparse.
4910 For push mode, remove yypush_parse's local equivalents of these
4911 variables to eliminate unnecessary copying between the two sets at
4912 run-time. This patch also fixes at least a bug related to multiple
4913 %initial-action invocations in push mode.
4914 * data/push.c (b4_declare_parser_variables): Rename to...
4915 (b4_declare_scanner_communication_variables): ... this for clarity and
4917 (b4_declare_yyparse_variables): Remove and move its contents to the one
4918 spot where it was invoked.
4919 (b4_declare_parser_state_variables): New macro containing the parser
4920 state variables required by push mode.
4921 (struct yypstate): Replace all fields but yynew with
4922 b4_declare_parser_state_variables.
4923 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
4924 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
4925 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
4926 (yyparse or yypush_parse): For yyparse in pull mode, replace local
4927 parser state variable declarations with
4928 b4_declare_parser_state_variables.
4929 Don't initialize parser state variables when calling yypush_parse since
4930 yypstate_new already does that.
4931 Invoke the user's initial action only upon the first yypush_parse
4933 Remove all code that copies between the local parser state variables
4936 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
4938 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
4939 prevent a name collision in a future patch where these names will
4940 sometimes be #define'd.
4941 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
4942 since it no longer has the same name as the existing argument.
4943 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
4945 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
4946 and Joel E. Denny <jdenny@ces.clemson.edu>
4948 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
4949 that the argument is case-insensitive, and there's no `=' here.
4950 For the %skeleton entry, mention that %language is better.
4951 (Bison Options): Likewise for --language and --skeleton. Move the
4952 --skeleton entry so that the `Tuning the parser' section is sorted
4953 alphabetically on long options.
4954 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
4955 %language directive in detail here; cross-reference the %language
4956 documentation instead.
4957 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
4958 `%require "2.3b"' so that the example is always up-to-date.
4959 (Table of Symbols): Add entries for %language and %skeleton.
4960 * examples/extexi (normalize): Instead of replacing every %require
4961 argument with the current Bison version, just substitute for
4962 `@value{VERSION}'. This guarantees that we're testing what actually
4963 appears in the documentation.
4964 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
4965 rather than `@VERSION@'.
4967 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
4969 * NEWS: Reword the %language news a bit, and put it earlier.
4971 * src/getargs.c (skeleton_arg): Last arg is now location const *.
4972 Rewrite to simplify the logic.
4973 (language_argmatch): Likewise.
4974 (program_name): We now own this var.
4975 * src/getargs.h (struct bison_language): Use char[] rather than
4978 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
4980 * src/complain.c (program_name): Remove decl; no longer needed.
4981 * src/main.c (program_name): Remove; now belongs to getargs.
4983 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
4985 * NEWS: Document %language.
4987 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
4989 * data/c-skel.m4, data/c++-skel.m4: New files.
4990 * data/glr.c: Complain on push parsers.
4992 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
4994 (Decl Summary): Document %language and %skeleton.
4995 (Command line): Document -L.
4997 * examples/extexi: Rewrite %require directive.
4998 * examples/calc++/Makefile.am: Pass VERSION to extexi.
5000 * src/files.c (compute_exts_from_gc): Look in language structure
5002 (compute_file_name_parts): Check whether .tab should be added.
5003 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
5004 (language, skeleton_arg, language_argmatch): New.
5005 (long_options): Add --language.
5006 (getargs): Use skeleton_arg, add -L/--language.
5007 * src/getargs.h: Include location.h.
5008 (struct bison_language, language, skeleton_arg, language_argmatch): New.
5009 * src/output.c (prepare): Pick default skeleton from struct language.
5010 Don't dispatch C skeletons here.
5011 * src/parse-gram.y (PERCENT_LANGUAGE): New.
5012 (prologue_declaration): Add "%language" rule, use skeleton_arg.
5013 * src/scan-gram.l ("%language"): New rule.
5015 * tests/calc.at: Test %skeleton and %language.
5016 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
5017 (AT_GLR_IF): Look for %skeleton "glr.cc".
5018 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
5019 (AT_YACC_IF): Reject %language.
5021 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
5023 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
5024 since it wasn't used; only the typedef name 'semantic_type' is needed.
5025 Also, omit trailing white space.
5027 * bootstrap: Sync from coreutils.
5028 (gnulib_extra_files): Add build-aux/announce.gen.
5029 (slurp): Adjust .gitignore files like .cvsignore files.
5030 * build-aux/announce-gen: Remove from CVS, since bootstrap
5033 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
5035 Make %push-parser imply %pure-parser. This fixes several bugs; see
5036 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
5037 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
5039 * data/push.c: Don't bother testing b4_push_if when deciding whether
5040 to expand b4_declare_parser_variables globally.
5041 (yypush_parse): Likewise in here.
5043 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
5044 (yy_reduce_print): Reformat M4 for readability.
5046 2006-12-15 Bob Rossi <bob@brasko.net>
5047 and Joel Denny <jdenny@ces.clemson.edu>
5049 * data/push.c (yypstate): Add typedef, and update all uses of
5050 struct yypstate to just yypstate.
5051 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
5053 2006-12-14 Bob Rossi <bob@brasko.net>
5055 * data/push.c (yypush_parse): Declare prototype regardless of
5058 2006-12-14 Bob Rossi <bob@brasko.net>
5060 * data/push.c (yyparse): Remove the prototype and the #define when in
5063 2006-12-13 Bob Rossi <bob@brasko.net>
5065 * data/push.c (yypstate_init): Rename to...
5066 (yypstate_new): ... this and use b4_c_function_def.
5067 (yypstate_delete): New.
5068 (yypush_parse): Change parameters yynval and yynlloc to be const.
5069 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
5070 yypstate_delete functions.
5072 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
5074 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
5075 strange test case titles. Reported by Bob Rossi.
5077 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
5079 * TODO: Add pointer to Sylvain Schmitz's work on static detection
5080 of potential ambiguities in GLR grammers.
5082 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
5084 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
5085 `bison ', use m4_index instead of m4_substr since chopping up a string
5086 containing M4-special characters causes problems here.
5088 Fix a couple of bugs related to special characters in user-specified
5089 file names, and make it easier for skeletons to compute output file
5090 names with the same file name prefix as Bison-computed output file
5092 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
5093 b4_parser_file_name and b4_spec_defines_file instead of
5094 @output_parser_name@ and @output_header_name@, which are now redundant.
5095 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
5096 b4_parser_file_name, b4_spec_defines_file, and the new
5097 @basename(FILENAME@) instead of @output_parser_name@ and
5098 @output_header_name@, which inappropriately escaped the file names as
5100 * src/files.c (all_but_ext): Remove static qualifier.
5101 (compute_output_file_names): Move `free (all_but_ext)' to...
5102 (output_file_names_free): ... here since all_but_ext is needed later.
5103 * src/files.h (all_but_ext): Extern.
5104 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
5105 exactly what MUSCLE_INSERT_STRING used to do.
5106 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
5107 characters are escaped properly.
5108 * src/output.c (prepare): Define muscle file_name_all_but_ext as
5110 For pkgdatadir muscle, maintain previous functionality by using
5111 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
5112 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
5113 digraphs would never be expanded. Hopefully no one has M4-special
5114 characters in his Bison installation path.
5115 * src/scan-skel.l: Don't parse @output_header_name@ and
5116 @output_parser_name@ anymore since they're now redundant.
5117 In @output, use decode_at_digraphs.
5118 Parse a new @basename command that invokes last_component.
5119 (decode_at_digraphs): New.
5120 (BASE_QPUTS): Remove unused.
5121 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
5122 (Output file name): New tests.
5124 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
5126 Warn about output files that are generated by the skeletons and that
5127 conflict with other output files.
5128 * data/glr.c: Don't generate the header file here when glr.cc does.
5129 * src/files.c (file_names, file_names_count): New static globals.
5130 (compute_output_file_names): Invoke output_file_name_check for files
5131 not generated by the skeletons and remove existing checks.
5132 (output_file_name_check): New function that warns about conflicting
5134 (output_file_names_free): Free file_names.
5135 * src/files.h (output_file_name_check): Declare.
5136 * src/scan-skel.l: Invoke output_file_name_check for files generated by
5138 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
5139 (Conflicting output files): New tests.
5141 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5143 * doc/bison.texinfo: Fix a couple of typos.
5145 2006-12-08 Bob Rossi <bob@brasko.net>
5147 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
5149 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
5151 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
5152 (yypush_parse): Rename yypvars argument to yyps and remove redundant
5154 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
5155 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
5157 2006-12-07 Bob Rossi <bob@brasko.net>
5158 and Joel Denny <jdenny@ces.clemson.edu>
5160 * data/push.c (yypvarsinit): Change return type from void* to struct
5161 yypvars*. No longer cast to void* on return.
5162 (struct yypvars): Remove yylen since it need not be remembered between
5163 yypushparse invocations.
5164 (yypushparse): Don't copy between yylen and pv->yylen.
5166 2006-12-05 Bob Rossi <bob@brasko.net>
5168 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
5169 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
5170 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
5171 (struct yypvars): Remove b4_declare_parser_variables.
5172 (yypvarsinit): Remove init code for removed variables.
5173 (global scope): Do not declare b4_declare_parser_variables if
5175 (yypushparse): Add b4_declare_parser_variables.
5176 Init new local variables, and remove init code for removed
5179 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
5180 and yyparse for other modes.
5181 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
5182 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
5183 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
5184 (AT_PURE_LEX_IF): True if pure or push parser.
5186 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
5188 Document Yacc prologue alternatives and default %destructor's and
5189 %printer's as experimental. Don't mention Java yet. Discussed at
5190 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
5191 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
5192 (2.3a): Annotate this entry to say the old forms of these features were
5194 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
5195 Table of Symbols): Say they're experimental. Comment out any mention
5196 of Java (we'll want this back eventually).
5198 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
5200 Support a file name argument to %defines. Deprecate `=' in
5201 %file-prefix, %name-prefix, and %output. Discussed at
5202 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
5203 * NEWS (2.3a+): Mention.
5204 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
5205 form of %defines, and remove `=' from entries for %file-prefix,
5206 %name-prefix, and %output.
5207 * src/parse-gram.y (prologue_declaration): Implement.
5208 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
5209 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
5210 all but one occurrence of %name-prefix.
5211 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
5212 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
5213 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
5214 occurrence of each of %file-prefix and %output. Add check for %defines
5216 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
5217 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
5218 Remove the `=' from %output.
5220 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
5222 Don't escape $ in test case titles since Autoconf 2.61 now does that
5224 * tests/actions.at (Default %printer and %destructor are not for error
5225 or $undefined): Here.
5226 (Default %printer and %destructor are not for $accept): Here.
5227 * tests/input.at (Invalid $n and @n): Here.
5229 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
5231 Rename <!> to <>. Discussed starting at
5232 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
5233 * NEWS (2.3a+): Update.
5234 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
5236 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
5237 * src/scan-gram.l (INITIAL): Implement.
5238 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
5239 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
5241 * tests/actions.at (Default tagless %printer and %destructor,
5242 Default tagged and per-type %printer and %destructor,
5243 Default %printer and %destructor are not for error or $undefined,
5244 Default %printer and %destructor are not for $accept,
5245 Default %printer and %destructor for mid-rule values): Update.
5246 * tests/input.at (Default %printer and %destructor redeclared,
5247 Unused values with default %destructor): Update.
5249 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
5251 Don't let %prec take a nonterminal.
5252 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
5254 * tests/input.at (%prec takes a token): New test checking that %prec
5255 won't take a nonterminal.
5257 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5259 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
5260 it was double-quoted.
5261 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
5262 grammar is maintained with Bison's highest standards.
5263 * src/getargs.c: Fix some typos in Doxygen comments.
5265 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
5267 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
5268 later. Reported by Paul Eggert in
5269 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
5270 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
5271 * src/scan-code.l (translate_action): Don't bother invoking
5272 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
5273 (code_scanner_free): Instead of invoking
5274 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
5276 * src/scan-gram.l (gram_scanner_free): Likewise.
5277 * src/scan-skel.l (scan_skel): Likewise.
5279 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
5281 * src/files.c (tr): Change return type to void.
5282 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
5283 has been called previously for the same key.
5284 (muscle_find): Return storage instead of value so that
5285 --enable-gcc-warnings doesn't produce warnings that the return discards
5286 const. aver that the value and storage are the same since storage
5287 could potentially be NULL when value is not.
5288 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
5291 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
5293 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
5294 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
5295 us a slightly cleaner distribution, and also works.
5296 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
5299 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
5300 and Paul Eggert <eggert@cs.ucla.edu>
5302 Don't let Bison leak memory except when it complains.
5303 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
5304 (spec_defines_file, dir_prefix): Now char *, not const char *,
5305 since they are freed.
5306 * src/files.c: Likewise.
5307 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
5309 (tr): Now operates in-place. All uses changed.
5310 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
5312 (compute_file_name_parts, compute_output_file_names): Don't store
5313 read-only data in variables that will be freed.
5314 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
5315 src_extension, and header_extension.
5316 (output_file_names_free): New public function to free
5317 spec_verbose_file, spec_graph_file, spec_defines_file,
5318 parser_file_name, and dir_prefix.
5319 * src/getargs.c (getargs): Don't store read-only data in variables that
5321 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
5322 (which previously existed but was unused), and quotearg_free.
5323 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
5324 * src/muscle_tab.c: Likewise.
5325 (muscle_entry): Make the value char const *,
5326 and add a new storage member that is char * and can be freed.
5327 (muscle_entry_free): New private function.
5328 (muscle_init): Use it instead of free.
5329 (muscle_insert, muscle_grow): Update and use new storage member.
5330 (muscle_code_grow): Free the string passed to muscle_grow
5331 since it's not needed anymore.
5332 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
5333 add a new `char *code' member.
5334 ("{...}"): Declare semantic type as code.
5335 * src/scan-code.h (translate_rule_action):
5336 (translate_symbol_action, translate_code, translate_action): Return
5337 `char const *' rather than `char *' since external code should not free
5339 * src/scan-code.l: Likewise.
5340 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
5341 which is "{...}" in the parser.
5342 * tests/Makefile.am (maintainer-check-valgrind): Set
5343 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
5345 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
5347 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
5348 expecting a non-zero exit status sets --leak-check=summary and
5349 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
5350 this case, and we don't want to hear about it.
5352 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
5354 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
5355 instead of from the template, to simplify configuration a bit.
5356 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
5357 and m4/wint_t.m4, as they are needed with the latest gnulib.
5359 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5361 Disable unset/unused mid-rule value warnings by default, and recognize
5362 --warnings=midrule-values to enable them. Discussed starting at
5363 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
5364 * NEWS (2.3a+): Mention.
5365 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
5366 warnings): Add entry for midrule-values subargument.
5367 * src/reader.c (symbol_should_be_used): Don't return true just because
5368 the value is a set/used mid-rule value unless
5369 --warnings=midrule-values was specified.
5370 * tests/input.at (Unused values, Unused values before symbol
5371 declarations): Run tests with and without --warnings=midrule-values.
5373 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
5374 than LIST_FREE directly.
5376 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5378 Finish implementing --warnings=error, which should not be implied by
5379 --warnings=all (or by its synonyms -W and --warnings without
5381 * src/complain.c (set_warning_issued): New function to report that
5382 warnings are being treated as errors and to record an error if so.
5384 (warn_at, warn): ... here.
5385 * src/getargs.c (warnings_args, warnings_types): Reorder so that
5386 "error - warnings are errors" does not appear above "all - all of the
5388 (getargs): For -W and --warnings without subarguments, don't let
5389 FLAGS_ARGMATCH set warnings_error in warnings_flag.
5390 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
5392 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
5394 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
5395 empty subargument list. For example: `bison --warnings= parser.y'.
5397 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5399 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
5400 the parser header file so that gcc doesn't warn.
5402 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5404 Split the default %destructor/%printer into two kinds: <*> and <!>.
5405 Discussed starting at
5406 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
5407 * NEWS (2.3a+): Mention.
5408 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
5409 previous change today related to mid-rules.
5410 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
5411 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
5412 (TYPE_TAG_ANY): Add as <*>.
5413 (TYPE_TAG_NONE): Add as <!>.
5414 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
5416 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
5417 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
5418 * src/symlist.c (symbol_list_default_new): Split into tagged and
5420 (symbol_list_destructor_set, symbol_list_printer_set): Split
5421 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
5422 SYMLIST_DEFAULT_TAGLESS.
5423 * src/symlist.h: Update symbol_list_default*_new prototypes.
5424 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
5425 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
5426 * src/symtab.c (default_destructor, default_destructor_location,
5427 default_printer, default_printer_location): Split each into tagged and
5429 (symbol_destructor_get, symbol_destructor_location_get,
5430 symbol_printer_get, symbol_printer_location_get): Implement tagged
5431 default and tagless default cases.
5432 (default_destructor_set, default_printer_set): Split each into tagged
5433 and tagless versions.
5434 * src/symtab.h: Update prototypes.
5435 * tests/actions.at (Default %printer and %destructor): Rename to...
5436 (Default tagless %printer and %destructor): ... this, and extend.
5437 (Per-type %printer and %destructor): Rename to...
5438 (Default tagged and per-type %printer and %destructor): ... this, and
5440 (Default %printer and %destructor for user-defined end token): Extend.
5441 (Default %printer and %destructor are not for error or $undefined):
5443 (Default %printer and %destructor are not for $accept): Update.
5444 (Default %printer and %destructor for mid-rule values): Extend.
5445 * tests/input.at (Default %printer and %destructor redeclared): Extend.
5446 (Unused values with default %destructor): Extend.
5448 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
5450 Don't apply the default %destructor/%printer to an unreferenced midrule
5452 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
5453 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
5454 like $@n instead of just @n so that the default %destructor/%printer
5455 logic doesn't see them as user-defined symbols.
5456 (symbol_is_dummy): Check for both forms of the name.
5457 * src/reader.c (packgram): Remove the `$' from each midrule symbol
5458 name for which the midrule value is referenced in any action.
5459 * tests/actions.at (Default %printer and %destructor for mid-rule
5461 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
5462 for change to dummy symbol names.
5464 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
5466 Warn about unset midrule $$ if the corresponding $n is used.
5467 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
5469 (packgram): Before invoking grammar_rule_check on any rule, make sure
5470 all actions have already been scanned in order to set `used' flags.
5471 Otherwise, checking that a midrule's $$ is set will not always work
5472 properly because the midrule check must forward-reference the midrule's
5474 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
5477 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
5479 More improvements to the documentation of the prologue alternatives:
5480 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
5482 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
5483 some text to clarify the relative importance of the new directives and
5484 to show how these directives may be viewed as code labels.
5486 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
5488 Similar to the recently removed %before-header, add %code-top as the
5489 alternative to the pre-prologue. Mentioned at
5490 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
5491 Also, let the prologue alternatives appear in the grammar section.
5492 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
5493 (prologue_declaration): Move the existing prologue alternatives to...
5494 (grammar_declaration): ... here and add %code-top.
5495 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
5497 Clean up and extend documentation for the prologue alternatives.
5498 * NEWS (2.3a+): Describe prologue alternatives.
5499 * doc/bison.texinfo (Prologue): Move discussion of prologue
5501 (Prologue Alternatives): ... this new section, and extend it to discuss
5502 all 4 directives in detail.
5503 (Table of Symbols): Clean up discussion of prologue alternatives and
5506 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5508 DJGPP specific issues.
5510 * djgpp/config.bat: config.hin has been moved to lib. Adjust
5511 config.bat accordingly.
5512 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
5513 * djgpp/config.site: Likewise.
5515 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
5517 Replace %*-header with %provides, %requires, %code. See discussion at
5518 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
5520 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
5521 (b4_user_start_header): Remove.
5522 * data/glr.c: Use new macros instead of b4_*start_header
5524 * data/glr.cc: Likewise.
5525 * data/lalr1.cc: Likewise.
5526 * data/push.c: Likewise.
5527 * data/yacc.c: Likewise.
5529 * doc/bison.texinfo: Remove %before-header, rename
5530 %{start,end,after}-header to %requires, %provides, %code.
5532 * src/parse-gram.y: Likewise (also rename token names accordingly).
5533 * src/scan-gram.l: Likewise.
5534 * tests/actions.at: Likewise.
5536 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
5538 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
5539 Problem reported by Joel E. Denny.
5541 2006-10-14 Jim Meyering <jim@meyering.net>
5543 (Sync from coreutils.)
5544 Work also when the working directory (with e.g. coreutils sources)
5545 is version controlled with git, rather than CVS.
5546 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
5548 In messages and comments, say e.g., "checked-out sources",
5549 rather than "CVS sources".
5550 (version_controlled_file): New function. Work for git as well as
5551 for CVS. Don't use grep's -q option.
5552 (slurp): Call it here, in place of CVS-specific code.
5554 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
5556 Fix testsuite for ./configure --enable-gcc-warnings:
5557 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
5558 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
5559 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
5560 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
5561 * test/regression.at (Diagnostic that expects two alternatives):
5564 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5566 * bootstrap.conf (gnulib_modules): Add config-h.
5567 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
5568 worry about HAVE_CONFIG_H.
5569 * lib/abitset.c: Likewise.
5570 * lib/bitset.c: Likewise.
5571 * lib/bitset_stats.c: Likewise.
5572 * lib/bitsetv-print.c: Likewise.
5573 * lib/bitsetv.c: Likewise.
5574 * lib/ebitset.c: Likewise.
5575 * lib/get-errno.c: Likewise.
5576 * lib/lbitset.c: Likewise.
5577 * lib/subpipe.c: Likewise.
5578 * lib/timevar.c: Likewise.
5579 * lib/vbitset.c: Likewise.
5580 * lib/bitset.c: Include "bitset.h" first, to test interface.
5581 * lib/bitset_stats.c: Include "bitset_stats.h" first.
5582 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
5583 * lib/bitsetv.c: Include "bitsetv.h" first.
5584 * lib/get-errno.c: Include "get-errno.h" first.
5585 * m4/.cvsignore: Add config-h.m4.
5586 * tests/actions.at (Default %printer and %destructor for ...):
5587 Adjust expected line numbers in output to reflect removal of #if
5588 HAVE_CONFIG_H lines.
5589 * tests/glr-regression.at (Missed %merge type warnings when ...):
5591 * tests/regression.at (Braced code in declaration in rules section):
5593 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
5594 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
5595 Include <config.h> unconditionally.
5597 * bootstrap: Sync from coreutils, as follows:
5599 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5601 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
5602 variable was sometimes used without being initialized. This
5603 messed up the installation of the INSTALL file in some cases.
5605 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5607 * bootstrap (usage, main program, symlink_to_gnulib): Add option
5608 --copy. Inspired by a suggestion from Bruno Haible.
5610 2006-10-03 Jim Meyering <jim@meyering.net>
5612 * bootstrap: Undo last change to this file, since now gnulib-tool
5613 sticks with the automake default in generating dependencies.
5615 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
5617 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
5618 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
5620 * doc/bison.1: Add copyright notice.
5622 * data/glr.c: Don't include <stdarg.h>; not used.
5624 * NEWS: The -g and --graph options now output graphs in Graphviz
5625 DOT format, not VCG format.
5626 * doc/bison.1: Likewise.
5627 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
5628 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
5630 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
5631 * TODO: Remove Graphviz entry.
5632 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
5633 remove vcg.c, vcg.h, vcg_defaults.h.
5634 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
5635 * src/graphviz.c, src/graphviz.h: New files.
5636 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
5637 * src/files.h: Make comment more generic.
5638 * src/main.c (main): Likewise.
5639 * src/print_graph.h: Likewise.
5640 * src/getargs.c (usage): Make usage description more generic.
5641 * src/print_graph.c: Include graphviz.h rather than vcg.h.
5642 (static_graph, fgraph): Remove. All uses changed to pass
5643 arguments instead of sharing a static var.
5644 (print_core, print_actions, print_state, print_graph):
5645 Output graphviz format rather than VCG format.
5646 * tests/.cvsignore: Remove *.vcg; add *.dot.
5647 * tests/output.at: Expect *.dot files, not *.vcg files.
5649 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
5650 accommodates the 2006-10-08 change.
5652 2006-10-11 Bob Rossi <bob@brasko.net>
5654 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
5655 (b4_yyssa, b4_yyerror_range): New macros.
5656 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
5657 (yypvarsinit): Remove init of removed fields.
5658 (yypushparse): Remove use of removed fields; use new macros instead.
5660 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
5662 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
5663 in a push parser. Reindent slightly to match yacc.c better.
5665 2006-10-11 Bob Rossi <bob@brasko.net>
5667 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
5669 (yypvarsinit, yypushparse): Remove init of removed fields.
5670 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
5672 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
5674 * THANKS: Add Paolo Bonzini and Bob Rossi.
5676 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
5678 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
5679 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
5680 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
5681 b4_define_user_cde and uses): Remove.
5682 (b4_comment, b4_prefix, b4_sync_start): New.
5683 * data/bison.m4: New file, with most of the content removed from c.m4.
5684 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
5685 * src/output.c (output_skeleton): Pass bison.m4.
5686 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
5689 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
5691 Fix test failure reported by Tom Lane in
5692 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
5693 and try to make such failures easier to catch in the future.
5694 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
5695 that's now the caller's responsibility.
5696 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
5697 Set yychar = YYEOF if it's negative.
5698 * tests/actions.at (yylex): Abort if asked to read past EOF.
5699 * tests/conflicts.at (yylex): Likewise.
5700 * tests/cxx-type.at (yylex): Likewise.
5701 * tests/glr-regression.at (yylex): Likewise.
5702 * tests/input.at (yylex): Likewise.
5703 * tests/regression.at (yylex): Likewise.
5704 * tests/torture.at (yylex): Likewise.
5706 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
5708 Fix problems with translating English-language diagnostics.
5709 * bootstrap: Fix bug introduced in recent bootstrap changes, with
5710 respect to bison-runtime pot generation. The YY_ stuff
5711 wasn't being captured.
5712 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
5713 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
5714 * runtime-po/POTFILES.in: Add data/push.c.
5716 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
5718 Merge bootstrap changes from coreutils.
5720 2006-09-28 Jim Meyering <jim@meyering.net>
5722 Automatically generated dependencies are important even
5723 when all of the sources in a directory come from gnulib.
5724 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
5725 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
5727 2006-09-23 Jim Meyering <jim@meyering.net>
5729 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
5731 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5733 * bootstrap: Add support for --force.
5734 (usage): New function. Describe usage less tersely.
5735 (CVS_only_file): New var.
5737 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
5739 * data/push.c (YYPUSH_MORE): Make it an enum instead.
5740 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
5741 Adjust white space and comments to match GNU style better.
5743 2006-09-20 Bob Rossi <bob@brasko.net>
5745 * data/push.c (yyresult_get): Remove function.
5746 (YYPUSH_MORE): Add #define.
5747 (yypushparse): Modify return value.
5749 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5751 * stamp-h.in: Remove; no longer needed.
5752 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
5753 Remove config.h, config.hin, intl (no longer created).
5754 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
5757 Sync bootstrap from coreutils, as follows:
5759 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
5761 * bootstrap (symlink_to_gnulib): New function.
5762 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
5763 to copies-of-gnulib.
5764 (cp_mark_as_generated, slurp, gnulib_files):
5765 Avoid making a copy if it's the same as the old version.
5766 (gnulib_files): Add support for this variable (used by Bison).
5768 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
5770 * src/getargs.c (usage): Rework to use conventions similar to
5771 coreutils, to make translation a bit easier and the code a bit
5772 smaller. Problem reported by Tim Van Holder.
5774 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
5776 Use some of gnulib's new modules, taken from coreutils.
5778 * bootstrap: Sync from coreutils, except add support for gnulib_files.
5779 * bootstrap.conf: New file.
5780 (gnulib_modules): Add configmake, inttypes, unistd.
5781 (XGETTEXT_OPTIONS): Add complain, complain_at,
5782 fatal, fatal_at, warn, warn_at, unexpected_end.
5783 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
5784 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
5786 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
5788 (GNULIB_AUTOCONF_SNIPPET): Remove.
5789 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
5791 * lib/.cvsignore: Add inttypes_.h.
5792 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
5793 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
5794 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
5795 no-longer-necessary initializations.
5796 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
5797 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
5798 use the unistd module.
5799 * src/system.h: Likewise.
5800 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
5801 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
5802 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
5803 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
5804 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
5805 * src/system.h: Include inttypes.h unconditionally, now that we
5806 use the inttypes module. Don't bother to include stdint.h, since
5807 inttypes.h now does that for us.
5808 (LOCALEDIR): Remove, now that we use the configmake module.
5809 * src/getargs.c: Include configmake.h.
5810 * src/main.c: Likewise.
5811 * src/output.c: Likewise.
5812 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
5813 not from $abs_top_builddir, since config.h moved.
5816 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
5817 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
5819 * src/parse-gram.y (symbol_declaration): Don't put statements
5820 before declarations; it's not portable to C89.
5821 * src/scan-code.l (handle_action_at): Likewise.
5823 * src/scan-code.l: Always initialize braces_level; the old code
5824 left it uninitialized and therefore had undefined behavior.
5826 Don't attempt to redefine 'assert', since it runs afoul of
5827 systems where standard headers (mistakenly) include <assert.h>.
5828 Instead, define and use our own alternative, called 'aver'.
5829 * src/reader.c: Don't include assert.h, since we no longer
5831 * src/scan-code.l: Likewise.
5832 * src/system.h (assert): Remove, replacing with....
5833 (aver): New function, taking a bool arg. All uses changed.
5834 * src/tables.c (pack_vector): Ensure that aver arg is bool,
5835 not merely an integer.
5837 2006-09-15 Bob Rossi <bob@brasko.net>
5839 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
5840 * data/c.m4 (YYPUSH): New.
5841 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
5842 * src/getargs.c (push_parser): New var.
5843 * src/getargs.h (push_parser): New declaration.
5844 * src/output.c (prepare): Add macro insertion of `push_flag'.
5845 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
5846 (prologue_declaration): Parse %push-parser.
5847 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
5848 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
5849 list of removed lines from the traces observed.
5850 (AT_CHECK_CALC_LALR): Added push parser tests.
5852 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
5854 * NEWS: Version 2.3a.
5855 * configure.ac (AC_INIT): Likewise.
5857 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
5858 "#define YYSTYPE int" that caused "make maintainer-check" to fail
5859 due to header ordering dependencies. I don't know why the #define
5862 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
5863 runtime cost when YYDEBUG is not defined, and so that some tests
5864 that used to fail now work. Problem and initial suggestion by
5866 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
5867 * data/glr.cc (b4_parser_class_name):
5868 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
5869 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
5870 (yydebug_) [YYDEBUG]: New member.
5871 (yycdebug_): Now defined only if YYDEBUG.
5872 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
5873 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
5874 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
5876 (debug_stream, set_debug_stream, debug_level, set_debug_level):
5877 Define only if YYDEBUG.
5878 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
5880 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
5881 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
5882 AT_CHECK_CALC_GLR_CC that are working now.
5884 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
5886 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
5887 We don't need them in glr.cc, and glr.c defines them.
5888 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
5889 assumes that defining it to anything is the same as defining
5890 it to 1. Problem reported by Paolo Bonzini.
5892 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
5894 * data/c.m4 (b4_null, b4_case): Define.
5895 * src/output.c (prepare_symbols): Use b4_null.
5896 (user_actions_output): Use b4_case.
5898 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
5900 * data/glr.c (b4_shared_declarations): Put start-header first,
5901 before any #includes that we generate, so that feature-test
5902 macros work. Problem reported by Michael Deutschmann in
5903 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
5904 * data/lalr1.cc: Likewise.
5905 * doc/bison.texinfo (Prologue): Document that feature-test macros
5906 should be defined before any Bison declarations.
5907 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
5908 that depend on location.hh after, not before, Bison decls, since
5909 we now include location.hh after the first user prologue.
5911 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
5912 Sander Brandenburg in
5913 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
5914 Also, fix minor white space and comment issues.
5915 (Prologue): Mention that it's better to define feature-test macros
5916 before Bison declarations. Problem reported by Michael Deutschmann.
5918 * README-cvs: Fix typo: "&" should be "&&". Problem reported
5920 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
5921 This adjusts to recent gnulib changes.
5923 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
5925 Finish implementation of per-type %destructor/%printer. Discussed
5927 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
5929 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
5930 * NEWS (2.3+): Add a description of this feature to the default
5931 %destructor/%printer description.
5932 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
5933 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
5934 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
5935 list node contains a semantic type.
5936 * src/symtab.c, src/symtab.h: Extend with a table that associates
5937 semantic types with their %destructor's and %printer's.
5938 (semantic_type_from_uniqstr, semantic_type_get,
5939 semantic_type_destructor_set, semantic_type_printer_set): New functions
5940 composing the public interface of that table.
5941 (symbol_destructor_get, symbol_destructor_location_get,
5942 symbol_printer_get, symbol_printer_location_get): If there's no
5943 per-symbol %destructor/%printer, look up the per-type before trying
5945 * tests/actions.at (Per-type %printer and %destructor): New test case.
5946 * tests/input.at (Default %printer and %destructor redeclared):
5947 Extend to check that multiple occurrences of %symbol-default in a
5948 single %destructor/%printer declaration is an error.
5949 (Per-type %printer and %destructor redeclared, Unused values with
5950 per-type %destructor): New test cases.
5952 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
5954 Require default %destructor/%printer to be declared using
5955 %symbol-default instead of an empty symbol list, and start working on
5956 new per-type %destructor/%printer. Discussed at
5957 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
5958 * NEWS (2.3+): Add %symbol-default to example.
5959 * bison.texinfo (Freeing Discarded Symbols): Likewise.
5960 (Table of Symbols): Add entry for %symbol-default.
5961 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
5962 (generic_symlist, generic_symlist_item): New nonterminals for creating
5963 a list in which each item is a symbol, semantic type, or
5965 (grammar_declaration): Use generic_symlist in %destructor and %printer
5966 declarations instead of symbols.1 or an empty list.
5967 (symbol_declaration, precedence_declaration, symbols.1): Update actions
5968 for changes to symbol_list.
5969 * src/reader.c: Update for changes to symbol_list.
5970 * src/scan-code.l: Likewise.
5971 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
5972 * src/symlist.c, src/symlist.h: Extend such that a list node may
5973 represent a semantic type or a %symbol-default in addition to just an
5974 ordinary symbol. Add switched functions for setting %destructor's and
5976 * tests/actions.at, tests/input.at: Add %symbol-default to all default
5977 %destructor/%printer declarations.
5979 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
5981 Whether the default %destructor/%printer applies to a particular symbol
5982 isn't a question of whether the user *declares* that symbol (in %token,
5983 for example). It's a question of whether the user by any means
5984 *defines* the symbol at all (by simply using a char token, for
5985 example). $end is defined by Bison whereas any other token with token
5986 number 0 is defined by the user. The error token is always defined by
5987 Bison regardless of whether the user declares it with %token, but we
5988 may one day let the user define error as a nonterminal instead.
5989 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
5990 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
5991 the meaning of "user-defined".
5992 * tests/actions.at (Default %printer and %destructor for user-declared
5993 end token): Rename to...
5994 (Default %printer and %destructor for user-defined end token): ...
5997 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
5998 computation of whether to apply the default, don't maintain a list of
5999 every Bison-defined symbol. Instead, just check for a first character
6000 of '$', which a user symbol cannot have, and check for the error token.
6002 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
6004 Don't apply the default %destructor or %printer to the error token,
6005 $undefined, or $accept. This change fits the general rule that the
6006 default %destructor and %printer are only for user-declared symbols,
6007 and it solves several difficulties that are described in the new test
6009 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
6010 * tests/actions.at (Default %printer and %destructor are not for error
6011 or $undefined, Default %printer and %destructor are not for $accept):
6014 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
6016 Allow %start after the first rule.
6017 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
6018 when parsing the first rule.
6019 (check_and_convert_grammar): Search for it here after all grammar
6020 declarations have been parsed. Skip midrules, which have dummy LHS
6022 * src/symtab.c (symbol_is_dummy): New function.
6023 * src/symtab.h (symbol_is_dummy): Declare it.
6024 * tests/input.at (%start after first rule): New test.
6026 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
6028 Redo some of the previous commit: add back the ability to use
6029 non-aliased/undeclared string literals since it might be useful to
6030 those declaring %token-table.
6031 * src/reader.c (check_and_convert_grammar): Undo changes in previous
6032 commit: don't worry about complaints from symbols_pack.
6033 * src/symtab.c (symbol_new, symbol_class_set,
6034 symbol_check_alias_consistency): Undo changes in previous commit: count
6035 each string literal as a new symbol and token, assign it a symbol
6036 number, and don't complain about non-aliased string literals.
6037 (symbols_pack): Since symbol_make_alias still does not decrement symbol
6038 and token counts but does still set aliased tokens to the same number,
6039 symbol_pack_processor now leaves empty slots in the symbols array.
6041 * tests/regression.at (Undeclared string literal): Remove test case
6042 added in previous commit since non-aliased string literals are allowed
6044 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
6045 remove unnecessary string literal declarations.
6046 * tests/sets.at (Firsts): Likewise.
6048 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
6050 Don't allow an undeclared string literal, but allow a string literal to
6051 be used before its declaration.
6052 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
6053 symbols_pack complained.
6054 * src/symtab.c (symbol_new): Don't count a string literal as a new
6056 (symbol_class_set): Don't count a string literal as a new token, and
6057 don't assign it a symbol number since symbol_make_alias does that.
6058 (symbol_make_alias): It's not necessary to decrement the symbol and
6059 token counts anymore. Don't assume that an alias declaration occurs
6060 before any uses of the identifier or string, and thus don't assert that
6061 one of them has the highest symbol number so far.
6062 (symbol_check_alias_consistency): Complain if there's a string literal
6063 that wasn't declared as an alias.
6064 (symbols_pack): Bail if symbol_check_alias_consistency failed since
6065 symbol_pack asserts that every token has been assigned a symbol number
6066 although undeclared string literals have not.
6067 * tests/regression.at (String alias declared after use, Undeclared
6068 string literal): New test cases.
6069 (Characters Escapes, Web2c Actions): Declare string literals as
6071 * tests/sets.at (Firsts): Likewise.
6073 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
6075 In the grammar scanner, STRING_FINISH unclosed constructs and return
6076 them to the parser in order to improve error messages.
6077 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
6078 SC_BRACED_CODE, SC_PROLOGUE): Implement.
6079 * tests/input.at (Unclosed constructs): New test case.
6080 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
6083 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
6086 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
6088 Handle string aliases for character tokens correctly.
6089 * src/symtab.c (symbol_user_token_number_set): If the token has an
6090 alias, check and set its alias's user token number instead of its own,
6091 which is set to indicate the alias. Previously, every occurrence of
6092 the character token in the grammar overwrote that alias indicator with
6094 * tests/input.at (String aliases for character tokens): New test.
6096 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
6098 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
6100 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
6102 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
6103 to prevent failures when building on older platforms.
6104 Check for autopoint failure.
6105 Set XGETTEXT_OPTIONS to values that check for C format strings,
6106 so that translators are warned about them (this also helps
6107 prevent core dumps).
6109 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
6110 function, since it simplifies our code a bit.
6112 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
6113 rather than -W, so we don't get bogus warnings about sign comparisons.
6114 Add -Wpointer-arith, since that warning is useful (it reports code
6115 that does not conform to C89 and that some compilers reject).
6116 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
6117 since it's no longer needed.
6119 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
6121 Clean up scanners a bit.
6122 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
6123 definitions so gcc won't warn when obstack_for_string is unused.
6124 * src/scan-code.l: config.h and system.h are already #include'd by
6125 scan-code-c.c, so get rid of them here.
6126 * src/scan-gram.l: Likewise.
6127 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
6128 definitions rather than duplicating the rest of it.
6129 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
6131 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
6133 Suppress signed/unsigned comparison warnings for yycheck.
6134 * data/c.m4 (b4_safest_int_type): New macro.
6135 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
6136 a signed int type, cast it to b4_safest_int_type first.
6137 * data/yacc.c: Likewise.
6138 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
6141 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
6143 * doc/bison.texinfo: Fix some typos.
6145 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
6147 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
6148 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
6150 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
6151 the latest gnulib does this a different way.
6152 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
6153 translation was patched, so stop omitting it.
6155 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6157 Enable declaration of default %printer/%destructor. Make the parser
6158 use these for all user-declared grammar symbols for which the user does
6159 not declare a specific %printer/%destructor. Thus, the parser uses it
6160 for token 0 if the user declares it but not if Bison generates it as
6161 $end. Discussed starting at
6162 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
6163 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
6165 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
6166 * NEWS (2.3+): Mention.
6167 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
6168 declare a %destructor for a mid-rule's semantic value. It's just
6169 impossible to declare one specific to it.
6170 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
6171 code. Describe default %destructor form.
6172 * src/parse-gram.y (grammar_declaration): Parse default
6173 %printer/%destructor declarations.
6174 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
6175 and symbol_destructor_location_get rather than accessing the destructor
6176 and destructor_location members of struct symbol.
6177 (symbol_printers_output): Likewise but for %printer's.
6178 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
6180 * src/symtab.c (default_destructor, default_destructor_location,
6181 default_printer, default_printer_location): New static global
6182 variables to record the default %destructor and %printer.
6183 (symbol_destructor_get, symbol_destructor_location_get,
6184 symbol_printer_get, symbol_printer_location_get): New functions to
6185 compute the appropriate %destructor and %printer for a symbol.
6186 (default_destructor_set, default_printer_set): New functions to set the
6187 default %destructor and %printer.
6188 * src/symtab.h: Prototype all those new functions.
6189 * tests/actions.at (Default %printer and %destructor): New test to
6190 check that the right %printer and %destructor are called, that they're
6191 not called for $end, and that $$ and @$ work correctly.
6192 (Default %printer and %destructor for user-declared end token): New
6193 test to check that the default %printer and %destructor are called for
6194 a user-declared end token.
6195 * tests/input.at (Default %printer and %destructor redeclared, Unused
6196 values with default %destructor): New tests to check related grammar
6197 warnings and errors.
6199 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
6201 Clean up handling of %destructor for the end token (token 0).
6202 Discussed starting at
6203 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
6205 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
6207 Make the skeletons consistent in how they pop the end token and invoke
6209 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
6210 state, which has token number 0, since this would invoke the
6211 %destructor for the end token.
6212 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
6213 until after shifting the end token, or else it won't be popped.
6214 * data/yacc.c (yyparse): Likewise.
6216 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
6217 it's the end token. Upon termination, destroy an unshifted lookahead
6218 even when it's the end token.
6219 * data/lalr1.cc (yy::parser::parse): Likewise.
6220 * data/yacc.c (yyparse): Likewise.
6222 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
6223 value warnings for the end token when the user gives the end token a
6226 * tests/actions.at (Printers and Destructors): Test all the above.
6228 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
6230 Update to latest gnulib and gettext versions.
6231 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
6233 (gnulib_files): Add m4/warning.m4. Don't worry about files
6234 overwritten by autopoint.
6235 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
6236 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
6238 Don't use autoreconf; instead, invoke autopoint etc. by hand,
6239 so that we can remove the intl files at a better time.
6240 (intl_files_to_remove): Remove aclocal.m4, since it gets
6241 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
6242 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
6243 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
6244 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
6245 Remove datarootdir hack; no longer needed.
6246 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
6247 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
6248 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
6250 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
6251 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
6253 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
6255 * bootstrap: Adjust to today's change to gnulib-tool by invoking
6256 it with --assume-autoconf='latest-stable'.
6258 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
6260 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
6261 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
6263 * src/muscle_tab.h (muscle_grow): Replace the header comments with
6264 those from muscle_tab.c since the old ones are misleading.
6266 2006-07-13 Akim Demaille <akim@epita.fr>
6268 Support %define "KEY" {VALUE}.
6269 * src/scan-code.h, src/scan-code.l (translate_action)
6270 (translate_rule_action, translate_symbol_action, translate_code):
6271 Return char *, not const char *.
6272 * src/parse-gram.y (declaration): Rename as...
6273 (prologue_declaration): this.
6274 (string_content): Remove this nonterminal, use STRING.
6275 (braceless, content, content.opt): New nonterminal.
6277 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
6279 * src/scan-gram.l (getargs.h): Don't include it.
6281 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
6283 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
6284 rather than a for-loop that declares a local bool variable. This
6285 should work around a compatibility problem with a Cray x1e C++
6286 compiler reported by Hung Nguyen in
6287 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
6288 The for-loop was introduced in the 2004-11-17 change but I don't
6289 know why it was needed.
6291 2006-07-12 Akim Demaille <akim@epita.fr>
6293 * data/c.m4: Comment changes.
6295 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
6297 * src/complain.c (error_message, ERROR_MESSAGE): New.
6299 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
6300 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
6302 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
6304 * NEWS: Instead of %union, you can define and use your own union type
6305 YYSTYPE if your grammar contains at least one <type> tag.
6306 Your YYSTYPE need not be a macro; it can be a typedef.
6307 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
6308 (Union Decl, Decl Summary): Document this.
6309 * data/glr.c (YYSTYPE): Implement this.
6310 * data/glr.cc (YYSTYPE): Likewise.
6311 * data/lalr1.cc (YYSTYPE): Likewise.
6312 * data/yacc.c (YYSTYPE): Likewise.
6313 * src/output.c (prepare): Output tag_seen_flag.
6314 * src/parse-gram.y (declaration, grammar_declaration):
6315 Use 'union_seen' rather than 'typed' to determine whether
6316 %union has been seen, since grammars can now be typed without
6318 (symbol_declaration, type.opt, symbol_def):
6319 Keep track of whether a tag has been seen.
6320 * src/reader.c (union_seen, tag_seen): New vars.
6322 * src/reader.h (union_seen, tag_seen, typed): Likewise.
6323 * src/scan-code.l (untyped_var_seen): New variable.
6324 (handle_action_dollar): Adjust to above changes.
6325 (handle_action_dollar, handle_action_at):
6326 Improve overflow checking for outlandish numbers.
6327 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
6328 avoid new diagnostics generated by above changes.
6329 * tests/regression.at (YYSTYPE typedef): Add test to check
6330 for type tags without %union.
6332 * src/symlist.c (symbol_list_length): Return int, not unsigned
6333 int, since callers expect int. This may need to get revisited
6334 once we have proper integer overflow checking.
6336 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
6337 object is now static.
6339 * src/getargs.c (flags_argmatch): Return void, not int,
6340 to pacify ./configure --enable-gcc-warnings.
6342 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
6343 since last_string is already defined to FLEX_PREFIX (last_string).
6345 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
6347 Implement --warnings/-W.
6348 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
6350 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
6352 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
6353 (warnings_args, warnings_types): New.
6354 (getargs, short_options, long_options): Accept -W/--warnings.
6355 Sort the options by alphabetical order, upper case letter right
6356 before its lower case.
6358 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
6360 Change %merge result type clash warnings to errors. Discussed at
6361 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
6362 * src/reader.c (record_merge_function_type): Use complain_at.
6363 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6364 declared later): Update test case results.
6366 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
6368 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
6369 to be in alphabetical order.
6370 (trace_args): Spelling fixes.
6372 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
6374 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
6375 so they don't collide with user-defined macros.
6376 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
6377 this was never guaranteed, and now that we're using gnulib stdint,
6378 which defines int_fast16_t to long int, the problem is exposed.
6380 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
6382 * data/c.m4 (b4_basename): Simplify a bit, since we don't
6383 need the full POSIX semantics (and weren't implementing them
6386 Adjust to Autoconf 2.60 and today's gnulib.
6387 * bootstrap (gnulib_modules): Add stdint.
6388 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
6389 no longer copies it.
6390 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
6391 since stdint needs the former and wcwidth (which is now required
6392 by mbswidth) needs the latter.
6393 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
6394 work around a compatibility glitch between gettext 0.14.6 and
6396 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
6397 Do not check for uintptr_t, since new stdint module does the right
6399 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
6400 Add stdint.h, stdint_.h, wcwidth.h.
6401 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
6402 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
6403 stdint.m4, wchar_t.m4, wcwidth.m4.
6404 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
6405 usual order for ../lib/*.h files.
6406 (file_name_split): Use last_component, not base_name, to adjust
6408 * src/parse-gram.h: Include <strverscmp.h> in the usual order
6409 for ../lib/*.h files.
6410 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
6411 Define unconditionally, since we now assume the stdint module.
6412 * src/scan-skel.l: Include <dirname.h>.
6413 (BASE_QPUTS): Use last_component, not base_name.
6414 * src/system.h: Include <unlocked-io.h> in the usual order
6415 for ../lib/*.h files. Include <stdint.h> unconditionally,
6416 since we now use the stdint module.
6417 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
6418 HAVE_UINTPTR_T, since we now use the stdint module.
6419 (base_name): Remove decl, since files now include <dirname.h>
6422 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
6424 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
6426 * data/yacc.c, data/glr.c, data/location.cc: Use them.
6427 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
6429 * tests/calc.at: Adjust.
6431 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
6433 * data/c.m4 (b4_basename): New.
6434 (b4_syncline): Also output the location of its invocation (from
6436 (b4_user_action, b4_define_user_action, b4_user_actions)
6437 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
6438 (b4_user_stype): New.
6439 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
6441 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
6443 In the grammar file, the first column is 1 not 0 on the first line as
6444 on every other line.
6445 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
6446 * tests/input.at (Torturing the Scanner): Update output.
6448 * src/scan-gram.l (scanner_cursor): Declare it static.
6450 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
6452 In warnings, say "previous declaration" rather than "first
6454 * src/symtab.c (redeclaration): Do that here.
6455 * src/reader.c (record_merge_function_type): In the case of a result
6456 type clash, report the previous declaration rather than the very first
6457 one in the grammar file.
6458 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6459 declared later): Add a third declaration to check this behavior.
6460 * tests/input.at (Incompatible Aliases): Update output.
6462 2006-06-27 Akim Demaille <akim@epita.fr>
6464 * doc/Doxyfile.in: New.
6465 * doc/Makefile.am: Use it.
6466 * src/lalr.h, src/symtab.h: Initial doxygenation.
6468 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6470 Don't miss %merge result type warnings just because the LHS types are
6471 declared after the %merge. This continues the effort of the previous
6473 * src/reader.c (get_merge_function): Don't set the merger type yet.
6474 (record_merge_function_type): New function for setting the merger type
6475 and checking for clashes.
6476 (grammar_current_rule_merge_set): Set the location of the %merge for
6478 (packgram): Invoke record_merge_function_type for each rule now that
6479 all symbol type declarations have been parsed.
6480 * src/reader.h (merger_list.type_declaration_location): New member
6481 storing the location of the first %merge from which the type for this
6482 merging function was derived.
6483 * src/symlist.h (symbol_list.merger_declaration_location): New member
6484 storing the location of a rule's %merge, if any.
6485 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
6486 declared later): New test to catch the error fixed by the above patch.
6488 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6490 Get action warnings (grammar_rule_check) right even when symbol
6491 declarations appear after the rules. Discussed at
6492 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
6494 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
6495 Don't mistake the type of $$ in a midrule to be that of its parent
6497 * src/reader.c (grammar_current_rule_end): Don't invoke
6498 grammar_rule_check yet since not all symbol declarations may have been
6500 (grammar_midrule_action): Likewise.
6501 Don't record whether the midrule's $$ has been used yet since actions
6502 haven't been translated yet.
6503 Record the midrule's parent rule and its RHS index within the parent
6505 (grammar_current_rule_action_append): Don't translate the action yet
6506 since not all symbol declarations may have been parsed yet and, thus,
6507 warnings about types for $$, $n, @$, and @n can't be reported yet.
6508 (packgram): Translate the action and invoke grammar_rule_check now that
6509 all symbol declarations have been parsed.
6510 * src/scan-code.l (handle_action_dollar): Now that this is invoked
6511 after parsing the entire grammar file, the symbol list here in the case
6512 of a midrule is actually the midrule's empty RHS, so reference its
6513 parent rule's RHS where necessary.
6514 On the other hand, now that you can already know it's a midrule, you
6515 aren't forced to think $$ has the same type as its parent rule's $$.
6516 (handle_action_at): In the case of a midrule, reference the parent rule
6518 * src/symlist.c (symbol_list_new): Initialize new midrule-related
6520 (symbol_list_length): Now that this is invoked after all rules have
6521 been parsed, a NULL symbol (rather than a NULL symbol list node)
6522 terminates a rule. symbol_list_print already does this correctly.
6523 * src/symlist.h (symbol_list.midrule_parent_rule,
6524 symbol_list.midrule_parent_rhs_index): New members so that midrules can
6525 remember their relationships with their parents.
6526 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
6527 fixed by the above patch.
6528 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
6530 (Unused values): ... this old test case and...
6531 (Unused values before symbol declarations): ... this new test case.
6532 This one is the same as `Unused values' except that all symbol
6533 declarations appear after the rules in order to catch the rest of the
6534 errors fixed by the above patch.
6536 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
6539 * src/reader.c (current_rule): Declare it static since it's no longer
6540 used outside this file.
6541 (grammar_current_rule_action_append): Remove redundant arguments from
6542 translate_rule_action invocation.
6543 * src/reader.h (current_rule): Remove this unused extern.
6544 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
6545 * src/scan-code.l (translate_rule_action): Likewise.
6547 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
6549 Clean up yesterday's patch.
6550 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
6552 * src/reader.c (grammar_current_rule_action_append): ... here for
6553 consistency with grammar_current_rule_symbol_append.
6554 * tests/regression.at (Braced code in declaration in rules section):
6555 Make yyerror and yylex static as usual.
6557 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
6559 Fix bug that mistakes braced code in a declaration in the rules section
6560 to be a rule action. Mentioned at
6561 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
6562 * src/scan-gram.l: Move midrule action detection from the start of the
6563 scanning of any braced code to...
6564 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
6565 action. For readability, use $2 and @2 rather than the equivalent
6567 * tests/regression.at (Braced code in declaration in rules section):
6568 New test to catch the error fixed by the above patch.
6570 Work on code readability some.
6571 * src/scan-code.l (current_rule): Get rid of this misleading and
6572 redundant declaration: it's actually extern'ed in reader.h.
6573 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
6574 translate_action): Add a rule argument and use it instead of the global
6576 (translate_rule_action): This already receives current_rule through an
6577 argument, so pass it on to translate_action instead of assigning
6578 current_rule to current_rule.
6579 (translate_symbol_action, translate_code): Pass rule = NULL to
6582 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
6584 Rename %before-definitions to %start-header and %after-definitions to
6585 %end-header. Don't use these declarations to separate pre-prologue
6586 blocks from post-prologue blocks. Add new order-independent
6587 declarations %before-header and %after-header as alternatives to the
6588 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
6589 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
6590 * NEWS (2.3+): Update for these changes.
6591 * data/glr.c (b4_before_definitions): Update to...
6592 (b4_start_header): ... this.
6593 (b4_after_definitions): Update to...
6594 (b4_end_header): ... this.
6595 * data/glr.cc: Likewise.
6596 * data/lalr1.cc: Likewise.
6597 * data/yacc.c: Likewise.
6598 * doc/bison.texinfo (The prologue): Update names, and replace remaining
6599 prologue blocks with %*-header declarations.
6600 (Calc++ Parser): Likewise.
6601 (Decl Summary): Update names.
6602 (Table of Symbols): Update description.
6603 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
6604 (PERCENT_END_HEADER): ... this.
6605 (PERCENT_BEFORE_DEFINITIONS): Update to...
6606 (PERCENT_START_HEADER): ... this.
6607 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6608 (declaration): Update token names and m4 macro names.
6609 When parsing %end-header and %start-header, invoke translate_code
6610 before muscle_code_grow, and no longer set global booleans to remember
6611 whether these declarations have been seen.
6612 Parse new %after-header and %before-header.
6613 * src/reader.c (before_definitions, after_definitions): Remove.
6614 (prologue_augment): Accept a new bool argument to specify whether to
6615 augment the pre-prologue or post-prologue.
6616 * src/reader.h (before_definitions, after_definitions): Remove these
6618 (prologue_augment): Add new bool argument.
6619 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
6620 (PERCENT_END_HEADER): ... this.
6621 (PERCENT_BEFORE_DEFINITIONS): Update to...
6622 (PERCENT_START_HEADER): ... this.
6623 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
6624 * tests/actions.at (Printers and Destructors): Update names.
6626 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
6628 Add comparison operators for C++ location classes. Discussed at
6629 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
6630 * data/c++.m4 (b4_define_location_comparison): New boolean %define
6631 declaration indicating whether filename_type has an operator==. If
6632 filename_type is `std::string', it defaults to `1', `0' otherwise.
6633 * data/location.cc: Iff b4_define_location_comparison is `1', add
6634 operator== and operator!= for class position and for class location.
6637 * src/scan-action.l: Remove unused file.
6638 * src/symtab.c (symbol_printer_set): Use printer_location not
6639 destructor_location.
6640 * src/symtab.h (struct symbol): Replace incorrect source comment for
6642 * tests/input.at (Incompatible Aliases): Update output with correct
6645 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
6647 Don't put the pre-prologue in the header file. For the yacc.c code
6648 file and the glr.c header and code files, move the pre-prologue before
6649 the token definitions. Add new %before-definitions and
6650 %after-definitions to declare code that will go in both the header file
6651 and code file. Discussed at
6652 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
6653 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
6655 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
6656 * NEWS (2.3+): Describe these changes.
6657 * data/glr.c (b4_pre_prologue): Move from within to before...
6658 (b4_shared_declarations): ... this.
6659 Add new b4_before_definitions before b4_token_enums.
6660 Add new b4_after_definitions at the end.
6661 * data/glr.cc (b4_pre_prologue): Replace with...
6662 (b4_before_definitions): ... this in the header file.
6663 (b4_after_definitions): New near the end of the header file.
6664 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
6665 code file right before including the header file.
6666 (b4_before_definitions): New in the previous position of
6667 b4_pre_prologue in the header file.
6668 (b4_after_definitions): New near the end of the header file.
6669 * data/yacc.c: Clean up some m4 quoting especially in the header file.
6670 (b4_token_enums_defines): In the code file, move to right before
6671 YYSTYPE for consistency with the header file.
6672 (b4_before_definitions): New right before b4_token_enums_defines in
6673 both the header and code file.
6674 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
6675 header and code file.
6676 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
6677 of prologues for %union dependencies.
6678 (Decl Summary): In %defines description, mention the effect of
6679 %before-definitions and %after-definitions on the header file.
6680 (Calc++ Parser): Forward declare driver in a %before-definitions rather
6681 than in the pre-prologue so that make check succeeds.
6682 (Table of Symbols): Add entries for %before-definitions and
6684 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
6685 %before-definitions.
6686 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
6687 (declaration): Parse those declarations and append to
6688 b4_before_definitions and b4_after_definitions, respectively.
6689 * src/reader.c (before_definitions, after_definitions): New bools to
6690 track whether those declarations have been seen.
6691 (prologue_augment): Add to the post-prologue if %union,
6692 %before-definitions, or %after-definitions has been seen.
6693 * src/reader.h (before_definitions, after_definitions): New extern's.
6694 * src/scan-gram.l: Scan the new declarations.
6695 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
6696 prologue block in a %before-definitions or a %after-definitions based
6697 on whether the %union is declared.
6698 * tests/regression.at (Early token definitions with --yacc, Early token
6699 definitions without --yacc): Move tests for token definitions into the
6700 post-prologue since token names are no longer defined in the
6703 2006-06-20 Akim Demaille <akim@epita.fr>
6705 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
6706 (symbol_get): Use it.
6707 * src/parse-gram.y: Use it.
6709 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
6711 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
6712 build succeeds when configured with --enable-gcc-warnings.
6714 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
6716 * src/parse-gram.y (char_name): New function.
6717 (CHAR, STRING, string_content): For %printer, properly escape.
6718 (ID): Prefer fputs to fprintf.
6719 (id): Reindent to be consistent with other rules.
6720 Properly quote char.
6722 The Translation Project changed its way of publishing translations
6723 to maintainers. I haven't received any responses to my request
6724 for supporting the old way, or for documenting the new way. I
6725 have modified 'bootstrap' to use screen scraping
6726 (in this case, HTML scraping). This is unreliable and inelegant,
6727 but I don't see any better way. Yuck.
6728 * bootstrap (TP_URL, WGET_COMMAND): New vars.
6729 (get_translations): New function, which uses HTML scraping to
6730 deduce locations of latest translations.
6731 Use this function to grab both bison and bison-runtime .po files.
6732 Don't bother priming the pump for the runtime-po domain any more,
6733 as it's now translated better than bison is.
6735 2006-06-19 Akim Demaille <akim@epita.fr>
6737 * src/scan-gram.l: No longer "parse" things after `%union' until
6738 `{'. Rather, return a single "%union" token.
6739 No longer make symbols: return strings, and leave the conversion
6740 to symbols to the parser.
6741 (SC_PRE_CODE, token_type): Remove.
6742 * src/parse-gram.y (%union): New field `character'.
6745 (ID, ID_COLON): Now that the scanner no longer makes them
6746 identifiers, adjust all uses to invoke symbol_get.
6747 (id_colon): New, wraps the conversion from string to symbol.
6748 (%union): Accept a possible union_name.
6749 (symbol): Now can be a char.
6750 * data/c.m4 (b4_union_name): Leave a default value.
6751 * data/glr.c, data/yacc.c: Use it.
6753 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
6755 For associating token numbers with token names for "yacc.c", don't use
6756 #define statements unless `--yacc' is specified; always use enum
6757 yytokentype. Most important discussions start at:
6758 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
6759 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
6761 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
6762 * NEWS (2.3+): Mention.
6763 * data/c.m4 (b4_yacc_if): New.
6764 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
6766 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
6767 on token name definitions.
6768 * src/getargs.c (usage): Capitalize `Yacc' in English.
6769 * src/output.c (prepare): Define b4_yacc_flag.
6770 * tests/regression.at (Early token definitions): Test that tokens names
6771 are defined before the pre-prologue not just before the post-prologue.
6772 Remove this test case and copy to...
6773 (Early token definitions with --yacc): ... this to test #define's.
6774 (Early token definitions without --yacc): ... and this to test enums.
6776 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
6778 * NEWS: Reword the post-2.3 change to not be so optimistic about
6779 removing the old "look-ahead" spelling.
6780 Update previous look-ahead/lookahead change reports.
6781 * REFERENCES: look-ahead -> lookahead (since that's
6782 what he actually wrote).
6783 * doc/refcard.tex: look ahead -> lookahead,
6784 look-ahead -> lookahead
6786 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
6788 For consistency, use `lookahead' instead of `look-ahead' or
6789 `look_ahead'. Discussed starting at
6790 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
6792 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
6793 * NEWS: For the next release, note the change to `--report'.
6794 * TODO, doc/bison.1: Update English.
6795 * doc/bison.texinfo: Update English.
6796 (Understanding Your Parser, Bison Options): Document as
6797 `--report=lookahead' rather than `--report=look-ahead'.
6798 * src/conflicts.c: Update English in comments.
6799 (lookahead_set): Rename from look_ahead_set.
6800 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
6801 (resolve_sr_conflict): Rename local look_ahead_tokens to
6802 lookahead_tokens, and update other uses.
6803 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
6804 count_rr_conflicts, conflicts_free): Update uses.
6805 * src/getargs.c (report_args): Move "lookahead" before alternate
6807 (report_types): Update uses.
6808 (usage): For `--report' usage description, state `lookahead' spelling
6809 rather than `look-ahead'.
6810 * src/getargs.h (report.report_lookahead_tokens): Rename from
6811 report_look_ahead_tokens.
6812 * src/lalr.c: Update English in comments.
6813 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
6814 (state_lookahead_tokens_count): Rename from
6815 state_look_ahead_tokens_count.
6816 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6817 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
6818 Rename local n_look_ahead_tokens to n_lookahead_tokens.
6820 Update English in output.
6821 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
6822 * src/print.c: Update English in comments.
6823 (lookahead_set): Rename from look_ahead_set.
6824 (print_reduction): Rename argument lookahead_token from
6826 (print_core, state_default_rule, print_reductions, print_results):
6828 * src/print_graph.c: Update English in comments.
6829 (print_core): Update uses.
6830 * src/state.c: Update English in comments.
6831 (reductions_new): Update uses.
6832 (state_rule_lookahead_tokens_print): Rename from
6833 state_rule_look_ahead_tokens_print, and update other uses.
6834 * src/state.h: Update English in comments.
6835 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
6836 (state_rule_lookahead_tokens_print): Rename from
6837 state_rule_look_ahead_tokens_print.
6838 * src/tables.c: Update English in comments.
6839 (conflict_row, action_row): Update uses.
6840 * tests/glr-regression.at
6841 (Incorrect lookahead during deterministic GLR,
6842 Incorrect lookahead during nondeterministic GLR): Rename
6843 print_look_ahead to print_lookahead.
6844 * tests/torture.at: Update English in comments.
6845 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
6846 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
6847 (Many lookahead tokens): Update uses.
6848 * data/glr.c: Update English in comments.
6849 * lalr1.cc: Likewise.
6851 * src/conflicts.h: Likewise.
6852 * src/lalr.h: Likewise.
6853 * src/main.c: Likewise.
6854 * src/output.c: Likewise.
6855 * src/parse-gram.c: Likewise.
6856 * src/tables.h: Likewise.
6857 * tests/calc.at: Likewise.
6859 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
6861 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
6863 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
6865 * TODO: Add request from Nelson H. F. Beebe to be able to install
6866 Bison without installing the yacc script.
6868 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6870 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
6871 and yytext if they're already #define'd.
6872 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
6873 * src/scan-code-c.c: ... here.
6874 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
6877 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
6879 Get Bison to build again when configured with --enable-gcc-warnings.
6880 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
6882 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
6883 loc argument as it shadows a global.
6884 * src/scan-gram.l: Remove stray comma that prevents boundary_set
6887 * src/.cvsignore: Add scan-code.c.
6889 2006-06-07 Akim Demaille <akim@epita.fr>
6891 * src/scan-gram.l: Move the "add a trailing ; to actions" code
6893 * src/scan-code.l: here.
6894 * tests/input.at (Torturing the Scanner): Fix another location
6897 2006-06-07 Akim Demaille <akim@epita.fr>
6899 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
6901 2006-06-06 Akim Demaille <akim@epita.fr>
6903 Extract the parsing of user actions from the grammar scanner.
6904 As a consequence, the relation between the grammar scanner and
6905 parser is much simpler. We can also split "composite tokens" back
6907 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
6908 * src/scan-gram.l (add_column_width, adjust_location): Move to and
6910 * src/location.h, src/location.c (add_column_width)
6911 (location_compute): these.
6912 Fix the column count: the initial column is 0.
6913 (location_print): Be robust to ending column being 0.
6914 * src/location.h (boundary_set): New.
6915 * src/main.c: Adjust to scanner_free being renamed as
6917 * src/output.c: Include scan-code.h.
6918 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
6920 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
6921 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
6922 which is now, again, a separate token.
6923 Adjust all dependencies.
6924 Whereever actions with $ and @ are used, use translate_code.
6925 (action): Remove this nonterminal which is now useless.
6926 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
6927 (grammar_current_rule_action_append): Use translate_code.
6928 (packgram): Bound check ruleno, itemno, and rule_length.
6929 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
6930 (last_string, last_braced_code_loc, max_left_semantic_context)
6931 (scanner_initialize, scanner_free, scanner_last_string_free)
6932 (gram_out, gram_lineno, YY_DECL_): Move to...
6933 * src/scan-gram.h: this new file.
6934 (YY_DECL): Rename as...
6936 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
6937 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
6938 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
6939 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
6940 Move these declarations, and...
6941 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
6943 * src/flex-scanner.h: this new file.
6944 * src/scan-gram.l (rule_length, rule_length_overflow)
6945 (increment_rule_length): Remove.
6946 (last_braced_code_loc): Rename as...
6947 (gram_last_braced_code_loc): this.
6948 Adjust to the changes of the parser.
6949 Move all the handling of $ and @ into...
6950 * src/scan-code.l: here.
6951 * src/scan-gram.l (handle_dollar, handle_at): Remove.
6952 (handle_action_dollar, handle_action_at): Move to...
6953 * src/scan-code.l: here.
6954 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
6955 scan-code.h, scan-code-c.c, scan-gram.h.
6956 (EXTRA_bison_SOURCES): Add scan-code.l.
6957 (BUILT_SOURCES): Add scan-code.c.
6958 (yacc): Be robust to white spaces.
6960 * tests/conflicts.at, tests/input.at, tests/reduce.at,
6961 * tests/regression.at: Adjust the column numbers.
6962 * tests/regression.at: Adjust the error message.
6964 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
6966 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
6967 Use Akim's wording from
6968 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
6970 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
6972 Between Bison releases, manually append `+' to the previous Bison
6973 release number, and use that as a signal to automatically print the
6974 ChangeLog's CVS Id keyword from --version. Discussed starting at
6975 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
6976 * ChangeLog: Add Id header.
6977 * configure.ac (AC_INIT): Append `+' to `2.3'.
6978 * src/.cvsignore: Add revision.c.
6979 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
6980 (BUILT_SOURCES): Add revision.c.
6981 (revision.c): New target rule. This file defines a new global variable
6982 named revision. It initializes it with either the Id from ChangeLog
6983 or, if VERSION doesn't contain `+', with the empty string.
6984 * src/getargs.c (version): Print the value of revision.
6985 * src/revision.h: Extern revision.
6987 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
6989 * NEWS: Version 2.3.
6990 * configure.ac (AC_INIT): Likewise.
6992 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
6994 * data/glr.c (YYRECOVERING): Define to be a function-like macro
6995 with no arguments, not as an object-like macro. This is for
6996 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
6997 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
6998 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
7001 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
7003 * src/getargs.c (usage): Back out yesterday's modification of the
7004 --help output so that we don't have to wait for translation before
7007 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
7009 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
7010 Problem reported by Akim Demaille.
7012 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
7014 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
7016 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
7018 * data/yacc.c (yy_reduce_print): Omit trailing white space in
7019 generated source code. Problem reported by Frans Englich in
7020 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
7022 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
7024 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
7025 shell, not within 'make', so that 'make' by an ordinary builder
7026 (using GNU make) does not worry about configuring gzip. This also
7027 works around a bug reported independently by Keith Thompson and by
7028 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
7029 stderr rather than stdout, messing up the build logs.
7031 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
7033 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
7034 to make sure that YYID will never be unused. This fixes a 'make
7035 maintainer-check' failure caused by the recent changes to the 'Trivial
7036 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
7038 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
7040 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
7042 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
7043 state before an empty RHS is always resolved here. Only the location
7044 of that state is guaranteed to be resolved, and that's enough. This
7045 fixes the remaining bug reported by Derek M. Jones in
7046 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
7047 * tests/glr-regression.at (Uninitialized location when reporting
7048 ambiguity): Test the above case.
7049 Also, the embedded comments in this test case claim it checks the case
7050 of an empty RHS that has inherited the initial location. However, the
7051 corresponding LHS was already resolved, so yyresolveLocations didn't
7052 actually have reason to modify it. Fix this by forcing
7053 nondeterministic operation at the beginning of the parse.
7055 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
7057 * data/c.m4 (b4_yy_symbol_print_generate):
7058 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
7059 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
7060 of the bugs reported today by Derek M Jones in
7061 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
7062 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
7063 defined to be a type name without parens or brackets.
7064 (Location Type): Similarly for YYLTYPE.
7065 * tests/regression.at (Trivial grammars): Put in a test for this
7066 bug that will be caught by 'make maintainer-check' (though not,
7067 alas, by 'make check' unless your compiler is picky).
7069 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
7071 * NEWS: Version 2.2.
7072 * configure.ac (AC_INIT): Likewise.
7074 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
7076 * data/glr.c (yyreportTree): Make room in yystates for the state
7077 preceding the RHS. This fixes the segmentation fault reported by Derek
7079 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
7080 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
7081 to the user. Reported for yyreportTree by Derek M. Jones later in the
7083 * THANKS: Add Derek M. Jones.
7084 Update my email address.
7085 Fix typo in Steve Murphy's name.
7087 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
7089 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
7090 checking against YYLAST that caused the parser to miss a potential
7091 alternative in its diagnostic.
7092 Problem reported by Maria Jose Moron Fernandez in
7093 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
7094 * data/lalr1.cc (yysyntax_error_): Likewise.
7095 * data/yacc.c (yysyntax_error): Likewise.
7096 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
7097 tokens, in case we run into an older C compiler.
7098 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
7099 Use them to check for the off-by-one error fixed above.
7101 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
7102 YYSIZE_T, not size_t.
7103 * tests/regression.at (Trivial grammars): New test, to catch
7104 the error fixed by the above patch.
7106 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7108 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
7110 Reported by Steve Murphy.
7112 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7114 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
7115 * data/glr.cc: b4_location_flag is now b4_locations_flag.
7117 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7119 Implement --trace=m4.
7120 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
7121 * src/output.c (output_skeleton): When set, pass -dV to m4.
7123 Factor the handling of flags in m4.
7124 * src/output.c (prepare): Rename the muscle names debug, defines,
7125 error_verbose to debug_flag, defines_flag, error_verbose_flag.
7126 * data/c.m4: Adjust.
7127 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
7128 Use b4_define_flag_if to define other b4_FLAG_if macros.
7129 (b4_location_if): As a consequence, rename as...
7130 (b4_locations_if): this, for consistency.
7131 Adjust all the skeletons.
7133 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7135 * etc/bench.pm: Shorten bench names.
7137 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
7139 * src/output.h, src/output.c (error_verbose): Move to...
7140 * src/getargs.h, src/getargs.c: here.
7142 Adjust dependencies.
7144 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
7146 * data/c.m4 (b4_copyright): Put the special exception for Bison
7147 skeletons here, so we don't have to put it in each skeleton. All
7148 uses changed. Suggested by Akim Demaille. Also, wrap the
7149 copyright notice, in case it is longer than 80 columns. Replace
7150 comma by newline after title.
7152 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
7154 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
7155 incompatibility, not a bug. Mention that it wasn't fixed as of
7158 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7160 * examples/extexi: Enforce the precedence of concatenation over
7162 Reported by Tommy Nordgren.
7164 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
7166 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
7167 with the member "token".
7168 Reported by Martin Nylin.
7170 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
7172 * data/glr.c: Switch to Bison 2.2 special-exception language in
7173 the copyright notice. Use more-regular format for titles and
7175 * data/glr.cc: Likewise.
7176 * data/location.cc: Likewise.
7177 * data/yacc.cc: Likewise.
7178 * doc/bison.texinfo (Conditions): Document this.
7179 * NEWS: likewise. Upgrade version to 2.2.
7181 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
7183 * data/glr.cc: Remove dead code.
7185 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
7187 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
7188 that variable and the line breaks the bootstrap. Problem reported
7189 by Juan M. Guerrero.
7191 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7193 * doc/bison.texinfo (Multiple start-symbols): New.
7195 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
7197 * etc/README, etc/bench.pl: New.
7199 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
7201 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
7203 Reported by Mickael Labau.
7204 * tests/input.at (Torturing the Scanner): Test it.
7206 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
7208 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
7209 Problem reported by Bob Rossi.
7211 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
7213 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
7214 and didn't really work.
7215 For the index, use @ifnotinfo, not @iftex.
7216 Minor cleanups of spacing and terminology.
7218 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7220 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
7221 of AT_NAME_PREFIX when %name-prefix is not used.
7223 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
7225 Apply --prefix to C++ skeletons too: they change the namespace.
7226 The test suite already exercize these cases.
7227 * data/c++.m4 (b4_namespace): New.
7228 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
7229 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
7230 * data/yacc.c, data/glr.c: Remove a useless `[]'.
7231 * doc/bison.texinfo: Document it.
7232 (Option Cross Key): Use @multitable in all formats. It looks
7233 nicer, even in TeX outputs.
7234 (Rules): Use the same code whatever the output type is.
7235 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
7236 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
7237 * tests/calc.at: Use it, instead of hard coding `yy'.
7239 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7241 * TODO: Remove dead items.
7243 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7245 * doc/FAQ: Remove, merged into...
7246 * doc/bison.texinfo (FAQ): this.
7247 * doc/Makefile.am (EXTRA_DIST): Adjust.
7249 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
7251 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
7253 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
7254 * doc/bison.texinfo (Calc++ Scanner): Use it.
7256 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
7258 Fix two nits reported by twlevo, plus one more that I discovered.
7260 * src/assoc.h (assoc_to_string): Give a name to the arg, as
7261 this is the usual Bison style.
7262 * src/location.h (location_print): Likewise.
7264 * src/reader.h (token_name): Likewise.
7266 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
7268 Fix some nits reported by twlevo.
7269 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
7270 and "POSIX". Use more-modern syntax for URLs. Mention C++
7271 and ask for Java. Don't hardwire OS version numbers. Add
7273 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
7274 * src/conflicts.c (solved_conflicts_obstack): Now static.
7276 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
7278 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
7279 page. Say "you can use it" not "you may use it" as on the web page;
7280 we're describing capabilities not granting permission.
7282 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
7284 * data/glr.c (yyresolveLocations): Rename local variables to avoid
7285 shadowing warnings. Use usual patter for iterating through RHS.
7286 * tests/glr-regression.at
7287 (Uninitialized location when reporting ambiguity):
7288 Modify yylex so that it uses its argument, rather than trying
7289 to rely on ARGSUSED (which doesn't work for gcc with warnings).
7290 const char -> char const.
7292 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
7293 Don't use tabs inside commands; it messes up 'ps'.
7294 Problem reported by twlevo.
7296 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
7298 * tests/glr-regression.at (Uninitialized location when reporting
7299 ambiguity): New test case.
7300 * data/glr.c (yyresolveLocations): New function, which uses
7302 (yyresolveValue): Invoke yyresolveLocations before reporting an
7304 * doc/bison.texinfo (Default Action for Locations): Note
7305 YYLLOC_DEFAULT's usage for ambiguity locations.
7306 (GLR Semantic Actions): Cross-reference those notes.
7308 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
7310 * tests/glr-regression.at (Leaked semantic values when reporting
7311 ambiguity): Remove unnecessary union and type declarations.
7312 (Leaked lookahead after nondeterministic parse syntax error): New test
7314 * data/glr.c (yyparse): Check for zero stacks remaining before
7315 attempting to shift the lookahead so that you don't lose it.
7317 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
7319 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
7320 * tests/glr-regression.at (Leaked semantic values when reporting
7321 ambiguity): New test case.
7322 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
7323 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
7324 now unnecessary yystackp parameter.
7325 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
7326 destructors can be called.
7328 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
7329 in existing testcases.
7331 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
7333 Don't leak semantic values for parent RHS when a user action cuts the
7334 parser, and clean up related code a bit.
7335 * tests/glr-regression.at (Leaked merged semantic value if user action
7336 cuts parse): Rename to...
7337 (Leaked semantic values if user action cuts parse): ... this. Add check
7338 for leaked parent RHS values.
7339 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
7340 between an unresolved state (non-empty chain of semantic options) and
7341 an incomplete one (signaled by an empty chain).
7342 (yyresolveStates): Document the interface. Move all manipulation of a
7343 successfully or unsuccessfully resolved yyGLRState to...
7344 (yyresolveValue): ... here so that yyresolveValue always leaves a
7345 yyGLRState with consistent data and thus is easier to understand.
7346 Remove the yyvalp and yylocp parameters since they are always just
7347 taken from the yys parameter. When reporting a discarded merged value
7348 in debugging output, note that it is incompletely merged. Document the
7350 (yyresolveAction): If resolving any of the RHS states fails, destroy
7351 them all rather than leaking them. Thus, as long as user actions are
7352 written to clean up the RHS correctly, yyresolveAction always cleans up
7353 the RHS of a semantic option. Document the interface.
7355 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
7357 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
7358 led to a segmentation fault in GNU Pascal. Problem reported
7361 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
7363 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
7364 mid-rule action inside a nonterminal symbol in order to declare a
7365 destructor for its semantic value.
7367 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
7369 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
7370 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
7371 __cplusplus && ! defined _STDLIB_H && !
7372 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
7373 defined free))]: Include <stdlib.h> rather than rolling our own
7374 declarations of malloc and free, to avoid problems with
7375 incompatible declarations (using 'throw') C++'s stdlib.h. This
7376 should fix Debian bug 340012
7377 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
7378 reported by Guillaume Melquiond.
7380 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
7382 * NEWS: Clarify symbols versus types in unused-value warnings.
7384 * configure.ac (AC_INIT): Bump version number.
7386 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
7388 * NEWS: Version 2.1a.
7389 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
7390 since C99 requires this.
7392 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
7394 * m4/c-working.m4: New file.
7395 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
7397 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
7399 * Makefile.maint: Merge from coreutils.
7401 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
7403 More portability fixes for problems summarized by Nelson H. F. Beebe.
7405 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
7406 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
7407 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
7408 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
7409 messes up because C++ code is compiled in 32-bit mode but linked
7412 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
7414 More portability fixes for problems summarized by Nelson H. F. Beebe.
7416 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
7417 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
7419 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
7420 nodist_PROGRAMS, since we don't need to actually compile the
7421 example if we're just doing a plain 'make'. This avoids bothering
7422 the installer unnecessarily about problems due to weird C++
7425 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
7427 More portability fixes for problems summarized by Nelson H. F. Beebe.
7429 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
7430 than #include "...", and compile with -I'.'. The old method was
7431 not portable, according to Posix and the C standard, and it does
7432 not work with Sun C 5.7, where previous #line directives affect
7433 the working directory used in later #include "..." directives.
7435 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
7437 Various DJGGP specific issues in /djgpp
7439 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
7441 More portability fixes for problems summarized by Nelson H. F. Beebe.
7443 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
7444 '#include <map>' works and that you can apply ++ to iterators.
7446 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
7448 Work around portability problems summarized by Nelson H. F. Beebe in
7449 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
7451 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
7452 that '#include <string>' works.
7454 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
7455 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
7456 "warning: sorry: semantics of inline function static data `const
7457 unsigned char translate_table[262]' are wrong (you'll wind up with
7460 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
7461 or, xor to not_, and_, or_, and xor_, respectively. This works
7462 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
7463 random system header somewhere that includes the equivalent of
7466 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
7467 -E" works; it apparently doesn't work with PathScale EKO Compiler
7470 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
7472 During deterministic GLR operation, user actions should be able to
7473 influence the parse by changing yychar. To make this easier to fix and
7474 to make glr.c easier to evolve in general, don't maintain yytoken in
7475 parallel with yychar; just compute yytoken when needed.
7476 * tests/glr-regression.at (Incorrect lookahead during deterministic
7477 GLR): Check that setting yychar in a user action has the intended
7479 * data/glr.c (yyGLRStack): Remove yytokenp member.
7480 (yyclearin): Don't set *yytokenp.
7481 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
7482 yychar rather than *yytokenp to determine the current lookahead.
7483 Compute yytoken locally when needed.
7484 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
7487 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
7488 after `--report' documentation.
7490 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
7492 * src/parse-gram.y (grammar_declaration): Location of printer
7493 symbol is @1, not list->location. Bug reported by twlevo.
7494 * tests/input.at (Incompatible Aliases): Adjust to above change.
7496 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
7498 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
7499 all the test at once. This makes the output easier to read in the
7502 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
7503 got from <http://bro-ids.org/download.html>. The bug is that
7504 when two actions appeared in succession, the second one was
7505 scanned before the first one was added to the grammar rule
7506 as a midrule action. Bison then output the incorrect warning
7507 "parse.y:905.17-906.36: warning: unused value: $3".
7508 * src/parse-gram.y (BRACED_CODE, action): These are no longer
7509 associated with a value.
7510 (rhs): Don't invoke grammar_current_rule_action_append.
7511 (action): Invoke it here instead.
7512 * src/reader.c (grammar_midrule_action): Now extern.
7513 (grammar_current_rule_action_append): Don't invoke
7514 grammar_midrule_action; that is now the scanner's job.
7515 * src/reader.h (last_string, last_braced_code_loc):
7516 (grammar_midrule_action): New decls.
7517 * src/scan-gram.l (last_string): Now extern, sigh.
7518 (last_braced_code_loc): New extern variable.
7519 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
7520 rule already has an action.
7521 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
7522 * tests/input.at (AT_CHECK_UNUSED_VALUES):
7523 Add some tests to check that the above changes fixed the bug.
7525 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
7527 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
7528 All used changed. Check whether the symbol has a destructor,
7529 not whether it is typed.
7530 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
7531 that the values are still reported as unused. All line numbers
7534 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
7536 Work around a bug in bro 0.8, which underparenthesizes its
7537 definition of YYLLOC_DEFAULT.
7538 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
7540 * data/lalr1.cc: Likewise.
7541 * data/yacc.cc: Likewise.
7543 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
7545 Work around a bug in Pike 7.0, and give the Pike folks a
7546 better way to override the usual int widths.
7547 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
7548 user can override the types.
7549 (short): #undef, to work around a bug in Pike 7.0.
7550 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
7551 (union yyalloc.yyss): Use yytype_int16 rather than short.
7553 (yysigned_char): Remove.
7554 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
7555 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
7556 * tests/regression.at (Web2c Actions): Adjust to above changes.
7558 * src/reader.c (check_and_convert_grammar): New function.
7559 (reader): Close the input file even if something went wrong during
7560 parsing. Minor file descriptor leak reported by twlevo.
7562 * src/assoc.c (assoc_to_string): Use a default: abort (); case
7563 to pacify gcc -Wswitch-default.
7564 * src/scan-gram.l (adjust_location): Use a default: break; case
7565 to pacify gcc -Wswitch-default.
7566 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
7567 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
7568 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
7569 Move these decls to scan-skel.l, since they don't need to be
7571 * src/scan-skel.l: Accept the above decls.
7572 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
7575 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
7577 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
7578 since we don't want to insist on a version number at the start
7579 of the changelog every time.
7580 * Makefile.maint: Sync from coreutils a bit better.
7581 (sc_trailing_blank): Renamed from sc_trailing_space.
7583 (sc_no_if_have_config_h, sc_require_config_h):
7584 (sc_prohibit_assert_without_use): New rules.
7585 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
7586 (sc_dd_max_sym_length): Fix leading spaces in rule.
7587 (sc_system_h_headers): Prefix with @.
7588 (sc_useless_cpp_parens, m4-check): Output line numbers.
7589 (changelog-check): Allow version only in head.
7590 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
7591 satisfy new Makefile.maint rule.
7592 * data/glr.c: Likewise.
7593 * data/glr.cc: Likewise.
7594 * data/lalr1.cc: Likewise.
7595 * data/yacc.c: Likewise.
7596 * lib/ebitsetv.c: Likewise.
7597 * lib/lbitset.c: Likewise.
7598 * lib/subpipe.c: Likewise.
7599 * lib/timevar.c: Likewise.
7600 * src/system.h: Likewise.
7601 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
7602 * djgpp/Makefile.maint: Add copyright notice.
7603 * djgpp/README.in: Likewise.
7604 * djgpp/config.bat: Likewise.
7605 * djgpp/config.site: Likewise.
7606 * djgpp/config_h.sed: Likewise.
7607 * djgpp/djunpack.bat: Likewise.
7608 * djgpp/config.sed: Fix copyright notice to match standard format.
7609 * djgpp/subpipe.h: Likewise.
7610 * lib/bitsetv-print.c: Likewise.
7611 * lib/bitsetv.c: Likewise.
7612 * lib/subpipe.h: Likewise.
7613 * lib/timevar.c: Likewise.
7614 * lib/timevar.h: Likewise.
7615 * djgpp/subpipe.c: Use standard recipe for config.h.
7616 * lib/abitset.c: Likewise.
7617 * lib/bitset.c: Likewise.
7618 * lib/bitset_stats.c: Likewise.
7619 * lib/bitsetv-print.c: Likewise.
7620 * lib/bitsetv.c: Likewise.
7621 * lib/ebitsetv.c: Likewise.
7622 * lib/get-errno.c: Likewise.
7623 * lib/lbitset.c: Likewise.
7624 * lib/subpipe.c: Likewise.
7625 * lib/timevar.c: Likewise.
7626 * lib/vbitset.c: Likewise.
7627 * tests/local.at: Likewise.
7628 * src/scan-gram.l: Don't include verify.h, since system.h does
7630 * .x-sc_require_config_h: New file.
7631 * .x-sc_unmarked_diagnostics: New file.
7633 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
7635 Be a bit more systematic about using 'abort'.
7636 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
7637 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
7638 Put 'default: abort ();' before some other case, to satisfy older
7640 * lib/bitset_stats.c (bitset_stats_init): Likewise.
7641 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
7642 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
7643 * src/conflicts.c (resolve_sr_conflict): Likewise.
7644 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
7645 (get_decision_str, get_orientation_str, get_node_alignment_str):
7646 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
7647 (get_linestyle_str, get_arrowstyle_str): Likewise.
7648 * src/conflicts.c (resolve_sr_conflict):
7649 Use a default case rather than one for the one remaining enum
7650 value, to catch invalid enum values as well.
7651 * src/lalr.c (set_goto_map, map_goto):
7652 Prefer "assert (FOO);" to "if (!FOO) abort ();".
7653 * src/nullable.c (nullable_compute, token_definitions_output):
7655 * src/reader.c (packgram, reader): Likewise.
7656 * src/state.c (transitions_to, state_new, state_reduction_find):
7658 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
7659 (symbol_pack): Likewise.
7660 * src/tables.c (conflict_row, pack_vector): Likewise.
7661 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
7662 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
7663 * src/system.h: Don't include <assert.h>.
7664 (assert): New macro.
7666 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
7667 (Destructor Decl, Parser Function, Pure Calling):
7668 Describe rules for braces inside C code more carefully.
7670 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
7672 Fix some porting glitches found by Nelson H. F. Beebe.
7673 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
7674 compilers that don't understand that abort () does not return.
7675 * src/state.c (transitions_to): Likewise.
7676 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
7677 that '#include <cstdlib>' works.
7678 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
7679 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
7680 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
7681 for the benefit of some pre-C99 compilers.
7683 * bootstrap: Undo changes to gnulib files that autoreconf made.
7685 Minor fixups to get 'make maintainer-check' to work.
7686 * configure.ac: Don't use -Wnested-externs, as it's incompatible
7687 with the new verify.h implementation.
7688 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
7689 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
7690 * data/yacc.c (YYUSE): Likewise.
7691 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
7692 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
7693 * src/parse-gram.y (declaration): Don't pass a string constant
7694 to a function that expects char *, since GCC might complain
7695 about the constant value.
7696 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
7697 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
7698 before #defining them.
7699 * tests/glr-regression.at
7700 (Incorrectly initialized location for empty right-hand side in GLR):
7701 In yyerror, use the msg arg.
7702 (Corrupted semantic options if user action cuts parse):
7703 (Incorrect lookahead during deterministic GLR):
7704 (Incorrect lookahead during nondeterministic GLR):
7705 Don't name a local var 'index'; it shadows string.h's 'index'.
7707 2006-01-19 Akim Demaille <akim@epita.fr>
7709 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
7710 location, not just parts of it.
7712 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
7714 * NEWS: Document the fact that multiple %unions are now allowed.
7715 * doc/bison.texinfo (Union Decl): Likewise.
7716 * TODO: This feature is now implemented, so remove it from
7719 * Makefile.maint: Merge with coreutils Makefile.maint.
7720 (CVS_LIST): Use build-aux version if available.
7721 (VERSION_REGEXP): New macro.
7722 (syntax-check-rules): Add sc_no_if_have_config_h,
7723 sc_prohibit_assert_without_use, sc_require_config_h,
7724 sc_useless_cpp_parens.
7725 (sc_obsolete_symbols): Check for O_NDELAY.
7726 (sc_dd_max_sym_length): Track coreutils.
7727 (sc_unmarked_diagnostics): Look in all files, not just *.c.
7728 (sc_useless_cpp_parens): New rule.
7729 (news-date-check): Look for version or today's date.
7730 (changelog-check): Don't require version number near head.
7731 (copyright-check): Use current year instead of hardwiring 2005.
7732 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
7733 (announcement): Add --gpg-key-ID.
7735 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
7738 Avoid undefined behavior that addressed just before the start of an
7739 array. Problem reported by twlevo.
7740 * src/reader.c (packgram): Prepend a new sentinel before ritem.
7741 * src/lalr.c (build_relations): Rely on new sentinel.
7742 * src/gram.c (gram_free): Adjust to new sentinel.
7744 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
7746 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
7747 yylookaheadNeeds. All uses updated.
7748 (yysplitStack): Rename local yynewLookaheadStatuses to
7749 yynewLookaheadNeeds.
7750 * data/glr-regression.at (Incorrect lookahead during nondeterministic
7751 GLR): In comments, change `lookahead status' to `lookahead need'.
7753 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7755 * data/glr.c (yysplitStack): A little stylistic rewrite.
7757 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
7759 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
7761 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
7763 * doc/bison.texinfo: Fix some typos.
7764 (GLR Semantic Actions): New subsection discussing special
7765 considerations because GLR semantic actions might be deferred.
7766 (Actions): Mention look-ahead usage of yylval.
7767 (Actions and Locations): Mention look-ahead usage of yylloc.
7768 (Special Features for Use in Actions): Add YYEOF entry and mention it
7769 in the yychar entry.
7770 In the yychar entry, remove mention of the local yychar case (pure
7771 parser) since this is irrelevant information when writing semantic
7772 actions and since it's already discussed in `Table of Symbols' where
7773 yychar is otherwise described as an external variable.
7774 In the yychar entry, don't call it the `current' look-ahead since it
7775 isn't when semantic actions are deferred.
7776 In the yychar and yyclearin entries, add note about deferred semantic
7778 Add yylloc and yylval entries discussing look-ahead usage.
7779 (Look-Ahead Tokens): When discussing yychar, don't call it the
7780 `current' look-ahead, and do mention yylval and yylloc.
7781 (Error Recovery): Cross-reference `Action Features' when mentioning
7783 (Table of Symbols): In the yychar entry, don't call it the `current'
7785 In the yylloc and yylval entries, mention look-ahead usage.
7787 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
7789 * tests/glr-regression.at: Update copyright year to 2006.
7791 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7793 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
7794 use during nondeterministic operation to track which stacks have
7795 actually needed the current lookahead.
7796 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
7797 Allocate, deallocate, resize, and otherwise shuffle space for
7798 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
7799 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
7800 appropriately during nondeterministic operation.
7801 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
7802 members to store the current lookahead to be used by the deferred
7804 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
7805 from which the RHS is taken. Set the lookahead members of the new
7806 yySemanticOption according to the lookahead status for stack yyk.
7807 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
7808 yyaddDeferredAction.
7809 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
7810 members of yySemanticOption before invoking yyuserAction, and then set
7811 them back to their current values afterward.
7812 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
7813 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
7814 * tests/glr-regression.at: Remove `.' from the ends of recent test case
7815 titles for consistency.
7816 (Leaked merged semantic value if user action cuts parse): In order to
7817 suppress lint warnings, use arguments in merge function, and assign
7818 char value < 128 in main.
7819 (Incorrect lookahead during deterministic GLR): New test case.
7820 (Incorrect lookahead during nondeterministic GLR): New test case.
7822 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7824 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
7825 !yyvaluep as signal that no semantic value is available to print.
7826 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
7827 to print a semantic value.
7829 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
7831 * tests/glr-regression.at: For consistency with my newer test cases,
7834 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
7836 * data/glr.c (yyresolveValue): When merging semantic options, if at
7837 least one user action succeeds but a later one cuts the parse, then
7838 destroy the semantic value before returning rather than leaking it.
7839 (yyresolveStates): If a user action cuts the parse and thus
7840 yyresolveValue fails, ignore the (unset) semantic value rather than
7841 corrupting the yyGLRState, and empty the semantic options list since
7842 the user actions should have called all necessary destructors.
7843 Simplify code with YYCHK.
7844 * tests/glr-regression.at (Corrupted semantic options if user action
7845 cuts parse): New test case.
7846 (Undesirable destructors if user action cuts parse): New test case.
7847 Before applying any of this patch, this test case never actually failed
7848 for me... but only because the corrupted semantic options usually
7850 (Leaked merged semantic value if user action cuts parse): New test
7853 2006-01-05 Akim Demaille <akim@epita.fr>
7855 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
7857 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
7859 * data/c.m4 (b4_c_modern): New macro, with a new provision for
7860 _MSC_VER. Problem reported by Cenzato Marco.
7861 (b4_c_function_def): Use it.
7862 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
7864 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
7865 than rolling our own.
7867 2006-01-04 Akim Demaille <akim@epita.fr>
7869 Also warn about non-used mid-rule values.
7870 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
7872 (symbol_list_new): Adjust.
7873 * src/reader.c (symbol_typed_p): New.
7874 (grammar_rule_check): Use it.
7875 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
7877 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
7879 * tests/actions.at (Exotic Dollars): Adjust.
7881 2006-01-04 Akim Demaille <akim@epita.fr>
7883 * src/reader.c (grammar_midrule_action): If $$ is set in a
7884 mid-rule, move the `used' bit to its lhs.
7885 * tests/input.at (Unused values): New.
7886 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
7888 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
7890 * doc/bison.texinfo (Bison Options): Say more accurately what
7892 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
7893 about declarations in the grammar when in Yacc mode, as POSIX does
7894 not require a diagnostic when the grammar uses extensions.
7896 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
7898 Warn about dubious constructions like "%token T T".
7900 * src/symtab.h (struct symbol.declared): New member.
7901 * src/symtab.c (symbol_new): Initialize it to false.
7902 (symbol_class_set): New arg DECLARING, specifying whether
7903 this is a declaration that we want to warn about, if there
7904 is more than one of them. All uses changed.
7906 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
7907 Allow multiple %union directives, whose contents concatenate.
7908 * src/parse-gram.y (grammar_declaration): Likewise.
7909 Use muscle_code_grow, so that we don't need stype_line any more.
7912 * src/muscle_tab.c (muscle_grow): Fix comment.
7914 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
7915 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
7916 Update copyright year to 2006.
7918 2006-01-03 Akim Demaille <akim@epita.fr>
7920 Have glr.cc pass (some of) the calc.at tests.
7921 * data/glr.cc (b4_parse_param_orig): New.
7922 (b4_parse_param): Improve its definition, and bound it more
7923 clearly in the skeleton.
7924 (b4_epilogue): Append, instead of prepending, in order to keep
7926 Simplify the generation of auxiliary functions: locations and
7927 purity are mandated.
7928 (b4_global_tokens_and_yystype): Honor it.
7929 * data/location.cc (c++.m4): Don't include it.
7930 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
7932 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
7934 Be sure to initialize the first position's filename.
7935 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
7937 (AT_CHECK_CALC_GLR_CC): New.
7938 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
7940 2006-01-02 Akim Demaille <akim@epita.fr>
7942 * src/output.c (output_skeleton): Don't hard wire the inclusion of
7944 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
7945 * data/glr.cc: Do not include stack.hh.
7947 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
7949 * data/glr.c: Reformat whitespace with tabs.
7950 (b4_lpure_formals): Remove this unused m4 macro.
7951 * tests/cxx-type.at: Reformat whitespace with tabs.
7952 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
7953 since it's a member. Rename type to isNterm for clarity.
7955 2005-12-29 Akim <akim@sulaco.local>
7957 Let glr.cc catch up with symbol_value_print.
7958 * data/glr.cc (b4_yysymprint_generate): Replace by...
7959 (b4_yy_symbol_print_generate): this.
7960 (yy_symbol_print, yy_symbol_value_print): Declare them.
7962 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
7964 * src/location.h (boundary): Note that a line or column equal
7965 to INT_MAX indicates an overflow.
7966 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
7967 (rule_length_overflow, increment_rule_length, add_column_width):
7969 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
7970 (<SC_BRACED_CODE>"}"):
7971 Use increment_rule_length rather than incrementing it by hand.
7972 (adjust_location, handle_syncline): Diagnose overflow.
7973 (handle_action_dollar, handle_action_at):
7974 Fix bug with monstrosities like $-2147483648.
7975 Remove now-unnecessary checks.
7976 (scan_integer): Verify assumptions and remove now-unnecessary checks.
7977 (convert_ucn_to_byte): Verify assumptions.
7978 (handle_syncline): New arg LOC. All callers changed.
7979 Don't store through a value derived from char const * pointer.
7981 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
7984 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
7986 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
7987 Remove unnecessary forward static decls.
7989 2005-12-27 Akim Demaille <akim@epita.fr>
7991 * src/reader.c (grammar_current_rule_check): Also check that $$
7993 Take the rule to check as argument, hence rename as...
7994 (grammar_rule_check): this.
7995 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
7997 (grammar_rule_begin, grammar_rule_end): these, for consistency.
7998 (grammar_midrule_action, grammar_symbol_append): Now static.
7999 * tests/torture.at (input): Don't rely on the default action
8000 being always performed.
8001 * tests/calc.at: "Set" $$ even when the action is "cut" with
8003 * tests/actions.at (Exotic Dollars): Instead of using unused
8004 values, check that the warning is issued.
8006 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
8008 * NEWS: Improve wording for unused-value warnings.
8010 2005-12-22 Akim Demaille <akim@epita.fr>
8012 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
8013 (b4_yysymprint_generate): Rename as...
8014 (b4_yy_symbol_print_generate): this.
8015 Generate yy_symbol_print instead of yysymprint.
8016 Generate also yy_symbol_value_print, and use it.
8018 2005-12-22 Akim Demaille <akim@epita.fr>
8020 * NEWS: Warn about unused values.
8021 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
8023 (symbol_list_n_get, symbol_list_n_used_set): New.
8024 (symbol_list_n_type_name_get): Use symbol_list_n_get.
8025 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
8026 * src/reader.c (grammar_current_rule_check): Check that values are
8028 * src/symtab.c (symbol_print): Accept 0.
8029 * tests/existing.at: Remove the type information.
8031 Remove useless actions (beware of mid-rule actions: perl -000
8032 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
8033 * tests/actions.at (Exotic Dollars): Use unused values.
8034 * tests/calc.at: Likewise.
8035 * tests/glr-regression.at (No users destructors if stack 0 deleted):
8038 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
8041 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
8043 Undo 2005-12-01 tentative license wording change. The wording is
8044 still being reviewed by the lawyers, and we don't want to wait for
8045 them before publishing a test release. For now, revert to the
8047 * NEWS: Undo 2005-12-01 change.
8048 * data/glr.c: Revert to previous license wording.
8049 * data/glr.cc: Likewise.
8050 * data/lalr1.cc: Likewise.
8051 * data/location.cc: Likewise.
8052 * data/yacc.c: Likewise.
8054 * NEWS: Reword %destructor vs YYABORT etc.
8055 * data/glr.c: Use American spacing, for consistency.
8056 * data/glr.cc: Likewise.
8057 * data/lalr1.cc: Likewise.
8058 * data/yacc.c: Likewise.
8059 * data/yacc.c: Reformat comments slightly.
8060 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
8061 for consistency. Fix some spelling errors and reword recently-included
8063 * tests/cxx-type.at: Cast results of malloc, for C++.
8065 2005-12-21 Joel E. Denny <address@hidden>
8067 * tests/cxx-type.at: Construct a tree, count the parents of shared
8068 nodes, and free each node once and only once. Previously, the memory
8069 for semantic values was leaked instead.
8071 2005-12-21 Joel E. Denny <address@hidden>
8073 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
8074 (yylval, yylloc): If pure, #define to yystackp->yyval and
8075 yystackp->yyloc similar to yychar and yynerrs.
8076 (yyparse): If pure, remove local yylval and yylloc. Add local
8077 yystackp to accommodate pure definitions of yylval and yylloc.
8078 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
8079 yylvalp and yyllocp to &yylval and &yylloc.
8080 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
8081 namespace. Previously, nerrs and char were missing, but lval and lloc
8083 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
8084 yylvalp and yyllocp parameters since, if pure, these are now always
8085 accessible through yystackp. If not pure, they are still accessible
8087 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
8088 `if (YYID (N))' to pacify lint.
8090 2005-12-21 Akim Demaille <akim@epita.fr>
8092 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
8093 destroy the RHS symbols of a rule.
8094 * data/yacc.c (yylen): Initialize to 0.
8095 Keep its value to the number of items to possibly shift.
8096 In particular, a regular successful parse that ends on YYFINAL by
8097 a (internal) YYACCEPT must not have yylen != 0.
8098 (yyerrorlab, yyreturn): Pop the RHS.
8099 Reorder a bit to emphasize the `shifting' bits of code.
8100 (YYPOPSTACK): Now accept a number of items to pop.
8101 * data/lalr1.cc: Likewise.
8102 * data/glr.c: Formatting changes.
8103 Use goto instead of fall through.
8104 * doc/bison.texinfo (Destructor Decl): Complete.
8106 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8108 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
8109 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
8110 * djgpp/config.bat: Replace every occurence of the file name
8111 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
8112 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
8113 * djgpp/config.sed: Replace every occurence of the file name
8114 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
8115 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
8116 * djgpp/djunpack.bat: DJGPP specific file.
8117 * djgpp/fnchange.lst: DJGPP specific file.
8118 * djgpp/README.in: Add new information about how to unpack the bison
8119 source on MSDOS and other systems which have 8.3 file name restrictions
8120 using djunpack.bat and fnchange.lst.
8122 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
8124 * bootstrap (build_cvs_prefix): Remove; unused.
8125 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
8126 when getting gnulib.
8128 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
8130 * data/glr.c: Reorder typedef declarations for structs to match order
8131 of struct declarations.
8132 Rename yystack everywhere to yystackp except in yyparse where it's not
8134 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
8136 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
8137 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
8138 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
8141 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
8143 * tests/sets.at (Accept): Fix typos in regular expression used to
8144 sed out the final state number.
8146 Work around portability problem on Solaris 10: flex-generated
8147 files include <stdio.h> before <config.h>, which messes up
8148 because the latter defines __EXTENSIONS__. Address the problem
8149 by creating two new little files that include <config.h> first,
8150 then include the flex-generated files. Rewrite everyone else
8151 to include <config.h> first, as well.
8152 * lib/timevar.c: Always include "config.h".
8153 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
8154 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
8155 (EXTRA_bison_SOURCES): New macro.
8156 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
8157 * src/system.h: Don't include config.h.
8158 * src/LR0.c: Include <config.h> first.
8159 * src/assoc.c: Likewise.
8160 * src/closure.c: Likewise.
8161 * src/complain.c: Likewise.
8162 * src/conflicts.c: Likewise.
8163 * src/derives.c: Likewise.
8164 * src/files.c: Likewise.
8165 * src/getargs.c: Likewise.
8166 * src/gram.c: Likewise.
8167 * src/lalr.c: Likewise.
8168 * src/location.c: Likewise.
8169 * src/main.c: Likewise.
8170 * src/muscle_tab.c: Likewise.
8171 * src/nullable.c: Likewise.
8172 * src/output.c: Likewise.
8173 * src/parse-gram.y: Likewise.
8174 * src/print.c: Likewise.
8175 * src/print_graph.c: Likewise.
8176 * src/reader.c: Likewise.
8177 * src/reduce.c: Likewise.
8178 * src/relation.c: Likewise.
8179 * src/state.c: Likewise.
8180 * src/symlist.c: Likewise.
8181 * src/symtab.c: Likewise.
8182 * src/tables.c: Likewise.
8183 * src/uniqstr.c: Likewise.
8184 * src/vcg.c: Likewise.
8186 * src/parse-gram.y: Fix minor problems uncovered by lint.
8187 (current_lhs, current_lhs_location): Now static.
8188 (current_assoc): Remove unused variable.
8190 Cleanups so that Bison-generated parsers have less lint.
8191 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
8192 Prepend /*ARGSUSED*/, for lint's sake.
8193 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
8194 definition if 'lint' is defined.
8195 (YYID): New macro (or function, if lint).
8196 All uses of /*CONSTCOND*/0 replaced by YYID(0).
8197 * data/yacc.c: Likewise.
8198 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
8199 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
8200 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
8202 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
8203 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
8204 Use YYID(0) rather than 0, for lint.
8205 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
8206 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
8208 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
8210 * tests/glr-regression.at
8211 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
8212 Close memory leak reported by twlevo.
8214 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
8216 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
8218 (yyparse): Iterate another stack in order to call user destructors.
8219 * tests/glr-regression.at (No users destructors if stack 0 deleted):
8221 (Duplicated user destructor for lookahead): This test now is expected
8224 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
8226 * NEWS: Document the following change.
8227 * data/yacc.c: Say "parser skeleton" rather than "file", since
8228 it's no longer just a file.
8229 * data/glr.c: Grant a special exception for C GLR parsers, that
8230 reads like the already-existing exception for C LALR(1) parsers.
8231 * data/glr.cc: Likewise.
8232 * data/lalr1.cc: Likewise.
8233 * data/location.cc: Likewise.
8234 * data/yacc.c: Reword the "written by" statement to clarify that
8235 it was the parser skeleton, not the entire output file.
8236 * data/glr.c: Written by Paul Hilfinger.
8237 * data/glr.cc: Written by Akim Demaille.
8238 * data/lalr1.cc: Likewise.
8240 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
8242 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
8243 Fix typos in previous change that broke 'make check'.
8244 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
8246 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
8247 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
8248 We can revert this once things settle down.
8250 * src/conflicts.c (conflicts_print): Don't print file name twice
8251 when %expect fails because there were no conflicts.
8252 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
8254 * tests/conflicts.at (%expect not enough, %expect too much):
8255 (%expect with reduce conflicts): Adjust to new behavior.
8257 2005-11-18 Akim Demaille <akim@epita.fr>
8259 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
8261 * NEWS: Document this.
8262 * doc/bison.texinfo (Expect Decl): Likewise.
8264 2005-11-16 Akim Demaille <akim@epita.fr>
8266 Generalize the display of semantic values and locations in traces.
8267 * data/glr.c (yy_reduce_print): Fix indices (again).
8268 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
8270 * data/lalr1.cc (yyreduce_print): Rename as...
8271 (yy_reduce_print): this.
8272 Display values and locations.
8273 * data/yacc.c (yy_reduce_print): Likewise.
8274 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
8275 (yysymprint): Move higher to be visible from yy_reduce_print).
8277 * tests/calc.at: Adjust the expected length of the traces.
8279 2005-11-14 Akim Demaille <akim@epita.fr>
8281 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
8282 from 1 to N, while values and location start at 0.
8283 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
8285 2005-11-14 Akim Demaille <akim@epita.fr>
8287 * data/glr.c (yy_reduce_print): Fix the $ number.
8289 2005-11-14 Akim Demaille <akim@epita.fr>
8291 "Use" parse parameters.
8292 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
8293 * data/glr.c, data/glr.cc: Use them.
8294 * data/glr.c (YYUSE): Have a C++ definition that supports
8297 2005-11-14 Akim Demaille <akim@epita.fr>
8299 * data/glr.c (yyexpandGLRStack): Declare only if defined.
8301 2005-11-14 Akim Demaille <akim@epita.fr>
8304 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
8306 2005-11-12 Akim Demaille <akim@epita.fr>
8308 Let position and location be PODs.
8309 * data/location.cc (position::initialize, location::initialize): New.
8310 (position::position, location::location): Define only if
8311 b4_location_constructors is defined.
8312 * data/lalr1.cc (b4_location_constructors): Define it for backward
8314 * doc/bison.texinfo (Initial Action Decl): Use initialize.
8316 2005-11-12 Akim Demaille <akim@epita.fr>
8318 * data/lalr1.cc: Move the body of the ctor and dtor into the
8319 parser file (instead of the header).
8320 Wrap the implementations in a "namespace yy".
8322 2005-11-12 Akim Demaille <akim@epita.fr>
8324 Have glr.c include its header file when created.
8325 * data/glr.c (b4_shared_declarations): New.
8326 Output them verbatim in the parser if !%defines, otherwise
8327 output then in the header file, and include it instead.
8329 2005-11-11 Akim Demaille <akim@epita.fr>
8331 * data/glr.c: Comment changes.
8333 2005-11-11 Akim Demaille <akim@epita.fr>
8335 When yydebug, report semantic and location values for reductions.
8336 * data/glr.c (yy_reduce_print): Report the semantic values and the
8338 (YY_REDUCE_PRINT): Adjust.
8339 (yyglrReduce): Use them.
8340 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
8341 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
8342 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
8345 2005-11-10 Akim Demaille <akim@epita.fr>
8347 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
8348 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
8349 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
8351 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
8353 * m4/cxx.m4, examples/Makefile.am: Don't build
8354 examples/calc++ if no C++ compiler is available. (trivial change)
8356 2005-11-09 Akim Demaille <akim@epita.fr>
8358 * src/scan-skel.l: Use a couple of asserts.
8360 2005-11-03 Akim Demaille <akim@epita.fr>
8362 In some (weird) cases, the final state number is incorrect.
8363 Reported by Alexandre Duret-Lutz.
8364 * src/LR0.c (state_list_append): Remove the computation of
8366 (save_reductions): Do it here.
8367 (get_state): Alpha conversion.
8368 (generate_states): Use a for loop.
8369 * src/gram.h (item_number_is_rule_number)
8370 (item_number_is_symbol_number): New.
8371 * src/state.c: Use assert.
8372 * src/system.h: Include assert.h.
8373 * tests/sets.at (Accept): New.
8375 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
8377 * data/glr.c (yyfill): Adjust comment.
8378 (yyresolveAction): Initialize default location properly
8379 for empty right-hand sides.
8380 (yydoAction): Ditto.
8381 Add comment explaining apparently dead code.
8382 * tests/glr-regression.at
8383 (Incorrectly initialized location for empty right-hand side in GLR):
8386 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
8388 * bootstrap (cleanup_gnulib): New function. Use it to clean up
8389 gnulib when interrupted. This fixes some race conditions and
8390 works around some portability problems (one noted by Paul
8393 2005-10-22 Akim <akim@epita.fr>
8395 * Makefile.cfg: Adjust to config -> build-aux.
8398 2005-10-21 Akim Demaille <akim@epita.fr>
8400 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
8402 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
8403 * data/yacc.c (b4_Pure_if): Rename as...
8404 (b4_yacc_pure_if): this.
8405 (YY_SYMBOL_PRINT, yyparse): Adjust.
8406 * doc/bison.texinfo: Formatting changes.
8408 2005-10-21 Akim Demaille <akim@epita.fr>
8410 Finish the transition config -> build-aux.
8411 * configure.ac, Makefile.am: Use build-aux.
8412 * config/prev-version, config/announce-gen, config/Makefile.am:
8414 * build-aux/prev-version, build-aux/announce-gen,
8415 * build-aux/Makefile.am: here.
8417 2005-10-14 Akim Demaille <akim@epita.fr>
8419 * examples/calc++/test: Use set -x only when VERBOSE.
8421 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
8423 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
8424 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
8426 2005-10-13 Akim Demaille <akim@epita.fr>
8428 * src/scan-skel.l: Output the base name parts of the parser and
8430 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
8432 Use this to exercise C++ outputs in subdirs.
8433 Reported by Oleg Smolsky.
8435 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
8437 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
8438 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
8439 Problem reported by John P. Hartmann.
8440 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
8443 2005-10-12 Akim Demaille <akim@epita.fr>
8445 * src/parse-gram.y (version_check): Exit 63 to please missing
8446 (stands for "version mismatch).
8447 * tests/input.at, doc/bison.texinfo: Adjust.
8449 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
8451 Work around portability problems with Visual Age C compiler
8452 (xlc and xlC_r) reported by John P. Hartmann.
8453 * data/location.cc (initial_column, initial_line): Remove.
8454 All uses replaced by 0 and 1.
8455 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
8456 that xlc complains about.
8457 * src/scan-skel.l (skel_wrap): Likewise.
8458 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
8460 * data/yacc.c (YYMODERN_C): New macro, which also looks at
8461 __STDC_VERSION__. Use it everywhere instead of looking at
8462 __STDC__ and __cplusplus.
8464 2005-10-10 Akim Demaille <akim@epita.fr>
8466 * examples/calc++/test: Be quiet unless VERBOSE.
8468 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
8470 * data/c.m4 (yydestruct, yysymprint):
8471 Use YYUSE instead of casting to void.
8472 * data/glr.c (YYUSE): New macro.
8473 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
8474 Use it instead of rolling our own.
8475 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
8477 Use /*CONSTCOND*/ to suppress lint warnings.
8478 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
8479 (YY_STACK_PRINT): Use 'false' not '0'.
8481 (yysymprint_, yydestruct_): Use it instead of rolling our own.
8482 * data/yacc.c (YYUSE): New macro.
8483 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
8484 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
8485 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
8488 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
8489 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
8491 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
8493 Undo the parts of the unlocked-I/O change that substituted
8494 putc or puts for printf. This might hurt performance a bit,
8495 but some people prefer the printf style.
8496 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
8497 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
8498 All uses replaced by YYFPRINTF and YYDPRINTF.
8499 * data/yacc.c: Likewise.
8500 * lib/bitset.c (bitset_print): Likewise.
8501 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
8503 * lib/lbitset.c (debug_lbitset): Likewise.
8504 * src/closure.c (print_firsts, print_fderives): Likewise.
8505 * src/gram.c (grammar_dump): Likewise.
8506 * src/lalr.c (look_ahead_tokens_print): Likewise.
8507 * src/output.c (escaped_output): Likewise.
8508 (user_actions_output): Break apart two printfs.
8509 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
8510 * src/reduce.c (reduce_print): Likewise.
8511 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8512 * src/system.h: Include unlocked-io.h rathe than stdio.h.
8514 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
8515 Use assignments rather than casts-to-void to suppress
8516 unused-variable warnings. This pacifies 'lint'.
8517 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
8518 unused-variable warnings.
8520 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8522 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
8524 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
8526 Use unlocked I/O for a minor performance improvement on hosts like
8527 GNU/Linux and Solaris that support unlocked I/O. The basic idea
8528 is to use the gnlib unlocked-io module, and to prefer putc and
8529 puts to printf when either will work (since the latter doesn't
8530 come in an unlocked flavor).
8531 * bootstrap (gnulib_modules): Add unlocked-io.
8532 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
8533 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
8534 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
8535 and similarly for puts and putc and printf.
8536 * data/yacc.c: Likewise.
8537 * lib/bitset.c (bitset_print): Likewise.
8538 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
8539 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
8541 * lib/lbitset.c (debug_lbitset): Likewise.
8542 * src/closure.c (print_firsts, print_fderives): Likewise.
8543 * src/gram.c (grammar_dump): Likewise.
8544 * src/lalr.c (look_ahead_tokens_print): Likewise.
8545 * src/output.c (escaped_output): Likewise.
8546 (user_actions_output): Coalesce two printfs.
8547 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
8548 * src/reduce.c (reduce_print): Likewise.
8549 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
8550 * src/system.h: Include unlocked-io.h rather than stdio.h.
8552 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
8553 this confuses xgettext.
8555 2005-10-02 Akim Demaille <akim@epita.fr>
8557 * bootstrap (gnulib_modules): Add strverscmp.
8558 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
8559 * m4/.cvsignore: Add strverscmp.m4.
8560 * src/parse-gram.y (%require): New token, new rule.
8561 (version_check): New.
8562 * src/scan-gram.l (%require): Adjust.
8563 * tests/input.at (AT_REQUIRE): New.
8565 * doc/bison.texinfo (Require Decl): New.
8566 (Calc++ Parser): Use %require.
8568 2005-10-02 Akim Demaille <akim@epita.fr>
8570 * data/location.cc: New.
8572 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
8573 Akim Demaille <akim@epita.fr>
8575 Make sure -odir/foo.cc creates dir/location.hh etc.
8576 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
8577 (spec_file_prefix, spec_verbose_file, spec_graph_file)
8578 (spec_defines_file): Now const.
8580 (short_base_name): Remove.
8581 * src/files.c: Adjust.
8582 (dirname.h): Include.
8583 (base_name): Don't prototype it.
8584 (finput): Remove, duplicates gram_in.
8585 (full_base_name, short_base_name): Replace by...
8586 (all_but_ext, all_but_tab_ext): these.
8587 (compute_base_names): Rename as...
8588 (compute_file_name_parts): this.
8589 Update to compute the new variables, including dir_prefix.
8590 Adjust dependencies.
8591 * src/output.c (prepare): Output them.
8592 * src/reader.c: Adjust to use gram_in, not finput.
8593 * src/scan-skel.l (@dir_prefix@): New.
8595 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
8597 * lib/subpipe.c: New function end_of_output_subpipe() added
8598 to allow support for non-posix systems. This is a no-op function
8601 * lib/subpipe.h: New function end_of_output_subpipe() added
8602 to allow support for non-posix systems. This is a no-op function
8605 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
8606 handle the lack of pipe/fork functionality on non-posix systems.
8608 * djgpp/Makefile.maint: DJGPP specific file.
8610 * djgpp/README.in: DJGPP specific file.
8612 * djgpp/config.bat: DJGPP specific configuration file.
8614 * djgpp/config.sed: DJGPP specific configuration file.
8616 * djgpp/config.site: DJGPP specific configuration file.
8618 * djgpp/config_h.sed: DJGPP specific configuration file.
8620 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
8622 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
8624 2005-10-02 Akim Demaille <akim@epita.fr>
8626 * data/location.cc: New, extract from...
8627 * data/lalr1.cc: here.
8628 (location.hh): Include it after the user prologue, in case the
8629 filename type is defined by the user.
8630 Forward declation location and position before the pre-prologue.
8631 (yyresult_): Rename as...
8632 (yyresult): this, it's a local variable, not an attribute.
8633 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
8635 2005-10-01 Akim Demaille <akim@epita.fr>
8637 * examples/extexi: Restore the #line generation.
8639 2005-09-30 Akim Demaille <akim@epita.fr>,
8640 Alexandre Duret-Lutz <adl@gnu.org>
8642 Move the token type and YYSTYPE in the parser class.
8643 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
8644 (parser::token): New, from the moved free definition of tokens.
8645 (parser::semantic_value): Now a full definition instead of an
8646 indirection to YYSTYPE.
8647 (b4_post_prologue): No longer included in the header file, but
8648 in the implementation file.
8649 * doc/bison.texi (C+ Language Interface): Update.
8650 * src/parse-gram.y: Support unary %define.
8651 * tests/actions.at: Define global_tokens_and_yystype for backward
8652 compatibility until we update the tests.
8653 * tests/calc.at: Idem.
8654 (first_line, first_column, last_line, last_column): Define for lalr1.cc
8655 to simplify the code.
8657 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
8659 Port to SunOS 4.1.4, which lacks strtoul and strerror.
8660 Ah, the good old days! Problem reported by Peter Klein.
8661 * bootstrap (gnulib_modules): Add strerror, strtoul.
8662 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
8663 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
8665 2005-09-29 Akim Demaille <akim@epita.fr>
8667 * data/c.m4 (b4_error_verbose_if): New.
8668 * data/lalr1.cc: Use it.
8669 (YYERROR_VERBOSE_IF): Remove.
8670 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
8671 parser members, replaced by...
8672 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
8674 (yysyntax_error_): Takes the state number as argument.
8675 (yyreduce_print_): Use the argument yyrule, not the former
8678 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
8680 * bootstrap (gnulib_modules): Add verify.
8681 * lib/.cvsignore: Add verify.h.
8682 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
8683 * src/system.h (verify): Remove.
8684 Include verify.h instead.
8685 * src/tables.c (tables_generate): Use new API for 'verify'.
8687 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
8689 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
8690 local variables whose names begin with 'yy'.
8691 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
8692 Trivial changes from Joel E. Denny.
8694 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
8696 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
8697 don't use alloca any more.
8699 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
8700 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
8701 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
8702 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
8703 to match yacc.c, to test more hosts.
8705 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
8707 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
8708 doesn't affect behavior.
8709 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
8711 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
8712 This works a bit better with glibc, if user code has already included
8714 * doc/bison.texinfo (Bison Parser): Document that users can't
8715 arbitrarily use malloc and free for other purposes. Document
8716 that <alloca.h> and <malloc.h> might be included.
8717 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
8718 user must declare alloca.
8720 * HACKING (release): Forwarn the Translation Project about
8723 2005-09-20 Akim Demaille <akim@epita.fr>
8725 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
8727 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
8729 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
8730 (YYSTACK_ALLOC_MAXIMUM): Use it.
8731 (yysyntax_error): New function.
8732 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
8733 multiple syntax errors are reported, and alloca is being used.
8734 Instead, reallocate buffers twice as big each time, so that
8735 we waste at most half the allocated memory. Start with a small
8736 (128-byte) buffer that will suffice in most cases anyway.
8737 Use yysyntax_error to do most of the work.
8739 * doc/bison.texinfo (Error Reporting, Table of Symbols):
8740 yynerrs is the number of errors reported, not the number of
8743 * tests/glr-regression.at (Duplicated user destructor for lookahead):
8744 Mark it as expected to fail.
8745 Cast result of malloc; problem reported by twlevo@xs4all.nl.
8746 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
8747 Don't start user-code symbols with "yy", to avoid name space problems.
8749 2005-09-19 Akim Demaille <akim@epita.fr>
8751 Remove the traits, failed experiment.
8752 It never proved useful, and anyway because of the current
8753 definition, it was not possible to have several specialization of
8754 this traits, making it useless.
8755 * data/lalr1.cc (yy:traits): Remove.
8756 Inline its definitions in the parser class.
8758 2005-09-19 Akim Demaille <akim@epita.fr>
8760 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
8761 least Mac OSX with a /usr/local install of gettext.
8763 2005-09-19 Akim Demaille <akim@epita.fr>
8765 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
8766 and yytoken for similarity with the other skeletons.
8768 2005-09-19 Akim Demaille <akim@epita.fr>
8770 * NEWS, configure.ac: update version number to 2.1a.
8772 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
8774 * NEWS: Version 2.1.
8776 * NEWS: Remove notice of yytname change, since it was never in an
8778 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
8780 * src/output.c (prepare): Likewise.
8781 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
8782 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
8783 is not defined. This is an awful hack, but it's enough for now.
8784 All callers changed.
8785 * tests/glr-regression-at (make_value): Args are const pointers now,
8786 to avoid GCC warning.
8787 (Duplicated user destructor for lookahead): New test. Currently
8788 skipped. It fails on my host but I'm not sure it'll always fail.
8790 2005-09-16 Akim Demaille <akim@epita.fr>
8792 * src/symtab.h (struct symbol): Declare the printer and destructor
8793 as const, to avoid accidental calls to free.
8794 (symbol_destructor_set, symbol_printer_set): Adjust.
8795 * src/symtab.c: Adjust.
8797 2005-09-16 Akim Demaille <akim@epita.fr>
8799 * data/c.m4 (b4_token_enums): New.
8800 (b4_token_defines): Rename as...
8801 (b4_token_enums_defines): this.
8802 (b4_token_defines): New, output only the #defines.
8803 * data/yacc.c, data/glr.c: Adjust.
8804 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
8805 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
8808 2005-09-16 Akim Demaille <akim@epita.fr>
8810 * data/lalr1.cc (yylex_): Remove, inline its code.
8811 (yyreport_syntax_error_): Remove, replaced by...
8812 (yysyntax_error_): this which returns a string and leaves to the
8813 caller the call to the users' error function.
8814 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
8815 Move from members of the parser object...
8816 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
8817 to local variables of the parse function.
8819 2005-09-16 Akim Demaille <akim@epita.fr>
8821 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
8822 since it's in Bison's name space.
8824 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
8826 * data/glr.c (yyresolveValue): Add default case to pacify
8827 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
8829 * NEWS: Document when yyparse started to return 2.
8830 * doc/bison.texinfo (Parser Function): Document when yyparse
8833 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
8834 (b4_filename_type): Renamed back from b4_file_name_type. All uses
8836 (class position): file_name -> filename (reverting). All uses changed.
8838 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
8840 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
8841 do anything if $@ exists. This reverts part of the 2005-07-07
8844 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
8846 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
8847 contains obsolete information and isn't worth distributing as a
8848 separate file anyway.
8849 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
8850 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
8851 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
8852 (yyparse): Abort if user code uses longjmp to throw an unexpected
8855 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
8857 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
8858 Suggested by twlevo@xs4all.nl.
8860 * data/glr.c (YYCHK1): Do not assume YYE is in range.
8861 This avoids a diagnostic from gcc -Wswitch-enum.
8862 Problem reported by twlevo@xs4all.nl.
8864 * doc/bison.texinfo: Don't use "filename", as per GNU coding
8865 standards. Use "file name" or "file" or "name", depending on
8867 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
8868 not to hack/foo.tab.c.
8869 (Calc++ Top Level): 2nd arg of main is not const.
8870 * data/glr.c: b4_filename -> b4_file_name.
8871 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
8873 (class position): filename -> file_name. All uses changed.
8874 * data/yacc.c: b4_filename -> b4_file_name.
8875 * lib/bitset.h: filename -> file_name in local vars.
8876 * lib/bitset_stats.c: Likewise.
8877 * src/files.c: Likewise.
8878 * src/scan-skel.l ("@output ".*\n): Likewise.
8879 * src/files.c (file_name_split): Renamed from filename_split.
8880 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
8882 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
8884 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
8885 to accommodate latest gnulib.
8887 * tests/glr-regression.at (Duplicate representation of merged trees):
8888 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
8890 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
8893 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
8895 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
8896 All uses changed. Invoke user destructor after an error during a
8897 split parse (trivial change from Joel E. Denny).
8899 * tests/glr-regression.at
8900 (User destructor after an error during a split parse): New test case.
8901 Problem reported by Joel E. Denny in:
8902 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
8904 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
8906 * README-cvs: Give URLs for recommended tools.
8907 Mention Gzip version problem, and bootstrapping issues.
8908 Remove troubleshooting section, as it's somewhat obsolete.
8910 * bootstrap (no_cache): New var, to accommodate different wget
8911 variants. Use it instead of '-C off'. Problem reported by
8914 * data/glr.c (yydestroyStackItem): New function.
8915 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
8916 debugging information. Problem reported by Joel E. Denny.
8918 2005-08-25 Akim Demaille <akim@epita.fr>
8920 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
8922 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
8924 * data/glr.c (yyrecoverSyntaxError, yyreturn):
8925 Don't invoke destructor on unresolved entries.
8926 * tests/glr-regression.at
8927 (User destructor for unresolved GLR semantic value): New test case.
8928 Problem reported by Joel E. Denny in:
8929 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
8931 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
8933 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
8935 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
8936 lib-prefix.m4, po.m4.
8938 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
8939 in yydestruct diagnostic, since it might not be an error.
8940 Problem reported by Joel Denny near end of
8941 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
8942 * data/lalr1.cc (yyerturn): Likewise.
8943 * data/yacc.c (yyreturn): Likewise.
8944 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
8946 * src/files.c: Remove obsolete FIXME comment.
8948 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
8949 with the other templates, and to fix bogus run-on messages such
8950 as the one reported at the end of
8951 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
8952 All callers changed to avoid the newline.
8953 (yyprocessOneStack): Output two lines rather than one, to accommodate
8954 the above change. This changes the debug output format slightly.
8956 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
8957 reported by Joel E. Denny in
8958 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
8960 * tests/glr-regression.at (Duplicate representation of merged trees):
8961 New test, from Joel E. Denny in:
8962 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
8963 * THANKS: Add Joel E. Denny.
8965 * configure.ac (AC_INIT): Bump to 2.0c.
8967 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
8969 * NEWS: Version 2.0b.
8971 * Makefile.am (SUBDIRS): Put examples before tests, so that
8972 "make check" doesn't finish with "All 1 tests passed".
8974 * tests/regression.at (Token definitions): Don't rely on
8975 AT_PARSER_CHECK for data that contains backslashes. It currently
8976 uses 'echo', and 'echo' isn't portable if its argument contains
8977 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
8978 that the byte '\0xff' is not printable in the C locale; it is,
8979 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
8980 not printable, so use '\0x81' to test.
8982 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
8983 version of GCC, since the macro is used with non-GCC compilers.
8985 Fix core dump reported by Pablo De Napoli in
8986 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
8987 * tests/regression.at (Invalid inputs with {}): New test.
8988 * src/parse-gram.y (token_name): Translate type before using
8991 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
8992 the user's name space. All uses changed to __attribute__
8994 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
8995 Add __attribute__ ((__noreturn__)).
8997 * etc/clcommit: Remove. We weren't using it, and it failed
8998 "make maintainer-distcheck".
8999 * Makefile.maint: Merge from coreutils.
9000 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
9001 (syntax-check-rules): Change list of rules as described below.
9002 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
9003 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
9004 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
9005 (sc_trailing_space): New rules.
9006 (sc_xalloc_h_in_src): Remove.
9007 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
9008 (sc_space_tab, sc_error_exit_success, sc_changelog):
9009 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
9010 (makefile-check, po-check, author_mark_check):
9011 (makefile_path_separator_check, copyright-check):
9012 Use grep -n, to make it easier to find violations.
9013 Use CVS_LIST and CVS_LIST_EXCEPT.
9014 (header_regexp, h_re): Remove.
9016 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
9017 (my-distcheck): Use more-modern GCC flags.
9018 (signatures, %.asc): Remove.
9019 (rel-files, announcement): Remove signatures.
9020 Restore old updating code, even though we don't use it, so
9021 that we're the same as coreutils.
9022 (alpha, beta, major): Depend on news-date-check.
9023 Make the upload commands.
9025 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
9026 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
9027 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
9028 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
9029 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
9030 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
9031 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
9032 * tests/sets.at: Likewise.
9034 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
9035 we comment out the Autoconf version number.
9036 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
9037 it's error-prone and "make maintainer-distcheck" rejects it.
9039 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
9040 Indent calls to "error" to pacify "make maintainer-distcheck",
9041 when the calls are not intended to be translated.
9042 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
9044 * src/Makefile.am (DEFS): Use +=, to pacify
9045 "make maintainer-distcheck".
9046 (bison_SOURCES): Add scan-skel.h.
9047 (sc_tight_scope): New rule, from coreutils.
9049 * src/files.c (src_extension, header_extension):
9050 Now static, not extern.
9051 * src/getargs.c (short_options): Likewise.
9052 * src/muscle_tab.c (muscle_table): Likewise.
9053 * src/parse-gram.y (current_class, current_type, current_prec):
9055 * src/reader.c (grammar_end, previous_rule_end): Likewise.
9056 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
9057 * src/main.c (main): Cast bindtextdomain and textdomain calls to
9058 void, to avoid warning when NLS is disabled.
9059 * src/output.c: Include scan-skel.h.
9060 (scan_skel): Remove decl, since scan-skel.h does this.
9062 Indent calls to "error" to pacify "make maintainer-distcheck".
9063 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
9064 * src/reader.h (gram_end, gram_lineno): New decls to pacify
9065 "make maintainer-distcheck".
9066 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
9067 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
9068 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
9069 (skel_lex_destroy, scan_skel): Move these decls to...
9070 * src/scan-skel.h: New file.
9071 * src/uniqstr.c (uniqstr_assert):
9072 Indent calls to "error" to pacify "make maintainer-distcheck".
9074 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
9077 * tests/torture.at: Revamp to avoid misuse of atoi that
9078 "make maintainer-distcheck" complained about.
9080 * examples/extexi (message): Don't print a message more than once,
9081 and omit line-number decoration that makes Emacs compile think
9082 that informative messages are worth worrying about.
9084 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
9086 * configure.ac: Update version number.
9088 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
9090 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
9091 autogenerated by the maintainer.
9092 * examples/calc++/.cvsignore: Add *.yy.
9094 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
9095 * lib/bitset_stats.c (bitset_stats_init): Likewise.
9096 * lib/bitsetv.c (bitsetv_alloc): Likewise.
9098 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
9100 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
9101 from maintainer-distcheck about casting the argument of 'free'.
9103 * NEWS: Mention recent yytname changes.
9104 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
9106 * bootstrap: For translations that have not yet been upgraded to
9107 the new runtime-po domain, prime the pump by extracting the
9108 relevant strings from the obsolete translations. This code can be
9109 removed once the bison-runtime domain has been translated by each
9112 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
9113 now that token names are already quoted.
9115 Fix problem reported by Anthony Heading.
9116 * data/glr.c (YYTOKEN_TABLE): New macro.
9117 (yytname): Define if YYTOKEN_TABLE.
9118 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
9119 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
9120 (YYERROR_VERBOSE): Define the same way the other skeletons do.
9121 * src/output.c (prepare_symbols): Output token_table_flag.
9123 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
9125 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
9126 again if the first call fails.
9128 * data/glr.c (yytnamerr): New function.
9129 (yyreportSyntaxError): Use it to dequote most string literals.
9130 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
9131 with other skeletons. All uses changed.
9132 (yytnameerr_): New function.
9133 (yyreport_syntax_error): Use it to dequote most string literals.
9134 * data/yacc.c (yytnamerr): New function.
9135 (yyerrlab): Use it to decode most string literals.
9136 * doc/bison.texinfo (Decl Summary, Calling Convention):
9137 Clarify quoting convention of yytname.
9138 * src/output.c (prepare_symbols): Quote all names. This undoes
9139 the 2005-04-17 change, which is now accomplished (mostly) via
9140 changes in the parsers as described above.
9141 * tests/regression.at (Token definitions, Web2c Actions):
9142 Undo most 2005-04-17 change here, too.
9144 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
9146 Fix more problems reported by twlevo@xs4all.nl.
9147 * tests/cxx-type.at: Don't pipe output of ./types through sed to
9148 remove trailing spaces. This loses the exit status of ./types,
9149 and isn't needed since ./types shouldn't be emitting trailing
9151 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
9152 as the stack isn't valid in that case.
9154 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
9155 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
9156 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
9157 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
9159 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
9160 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
9161 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
9164 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
9165 overly-picky compilers that reject 'char *foo = "bar";'.
9167 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
9168 to FILE * parameter, not to stderr. This fixes a typo introduced
9169 in the 2005-07-12 change.
9171 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
9172 warnings from GCC 4.
9174 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
9175 (yyglrShiftDefer, yysplitStack):
9176 Remove unused parameters b4_pure_formals. All uses changed.
9177 (yyglrShift): Remove unused parameters b4_user_formals.
9179 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
9181 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
9183 Destructor cleanups and regularization among the three skeletons.
9184 * NEWS: Document the behavior changes.
9185 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
9186 stack before failing, as the cleanup code will do it for us now.
9187 * data/lalr1.cc (yyerrlab): Likewise.
9188 * data/glr.c (yyparse): Pop everything off the stack before
9189 freeing it, so that destructors get called properly.
9190 * data/lalr1.cc (yyreturn): Likewise.
9191 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
9192 This is more consistent.
9193 * doc/bison.texinfo (Destructor Decl): Mention more reasons
9194 why destructors might be called. 1.875 -> 2.1.
9195 (Destructor Decl, Decl Summary, Table of Symbols):
9196 Some English-language cleanups for %destructor.
9197 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
9198 Add output line for destructor of start symbol.
9199 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
9200 because of that same extra output line.
9202 * NEWS: Document minor wording changes in diagnostics of
9203 Bison-generated parsers.
9204 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
9205 Remove unused formals. All uses changed.
9206 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
9207 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
9208 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
9209 Rename yyoverflowab to yyexhaustedlab.
9210 When memory exhaustion occurs during syntax-error reporting,
9211 report it separately rather than in a single diagnostic; this
9213 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
9214 (Memory Exhausted): Renamed from Parser Stack Overflow.
9215 Revamp wording slightly to prefer "memory exhaustion".
9216 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
9218 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
9220 Add i18n support to the GLR skeleton. Partially fix the C++
9221 skeleton; a C++ expert needs to finish this. Remove debugging
9222 msgids; there's little point to having them translated, since they
9223 can be understood only by someone who can read the
9224 (English-language) source code.
9226 Generate runtime-po/bison-runtime.pot automatically, so that we
9227 don't have to worry about garbage getting in that file. We'll
9228 make sure after the next official release that old msgids don't
9230 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
9232 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
9234 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
9235 Fix typos in explanations of the runtime file.
9236 * bootstrap: Change gettext keyword from YYI18N to YY_.
9237 Use standard Makefile.in.in in runtime-po, since we'll arrange
9238 for backward-compatible bison-runtime.po files in a different way.
9239 * data/glr.c (YY_): New macro, from yacc.c.
9240 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
9241 Translate messages intended for users.
9242 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
9243 the wording in the other skeletons. We don't know that the memory
9245 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
9246 Use same method that yacc.c uses.
9247 Don't translate debugging messages.
9248 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
9249 it doesn't work (yet), and requires C++ expertise to fix.
9250 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
9251 Move defn to a more logical place, to be consistent with other
9253 Don't translate debugging messages.
9254 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
9255 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
9256 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
9257 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
9259 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
9260 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
9262 * tests/glr-regression.at (Badly Collapsed GLR States):
9264 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9265 yylex should return 0 at EOF rather than aborting.
9267 Improve tests for stack overflow in GLR parser.
9268 Problem reported by twlevo@xs4all.nl.
9269 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
9271 (yyStackOverflow): Just longjmp, but with value 2 so that caller
9272 can handle the problem.
9273 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
9274 (yyparse): New local variable yyresult to record the result.
9275 Use result of setjmp to set it, rather than storing itinto
9277 (yyDone): Remove label.
9278 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
9279 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
9280 if YYABORT is used).
9281 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
9282 yyparse status; put status > 1 into diagnostic.
9283 Check that status==2 works.
9284 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
9285 Use exit status 3 for failure to open (which shouldn't happen).
9287 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
9289 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
9290 1 on syntax error; just let yyparse do its thing.
9291 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
9292 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
9293 (Exploding the Stack Size with Alloca):
9294 (Exploding the Stack Size with Malloc):
9295 Expect exit status 2, not 1, since the parser is supposed to blow
9296 its stack. Problem reported by twlevo@xs4all.nl.
9298 * data/glr.c (yyparse): Don't assume that the initial calls
9299 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
9300 Print a stack-overflow message and fail instead.
9301 Initialize the line-number information before creating the stack,
9302 so that the stack-overflow message can report line zero safely.
9304 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
9306 Fix problems reported by twlevo@xs4all.nl.
9307 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
9308 (yyuserMerge): Provide a default case if b4_mergers is empty.
9309 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
9310 * tests/glr-regression.at
9311 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
9312 Add casts to pacify C++ compilers.
9313 * tests/glr-regression.at (Improper merging of GLR delayed action
9314 sets): Declare yylex before using it.
9315 * tests/Makefile.am (maintainer-check-g++): Fix a stray
9316 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
9317 test for valgrind; valgrind is independent of g++.
9318 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
9319 for compatibility with POSIX 1003.1-2001 (if running coreutils).
9320 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
9321 Use a destructor, so that we can expand the stack. Change
9322 YYSTYPE to char * so that we can free it. Cast result of malloc.
9324 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9326 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
9327 a valgrind failure. Problem reported by twlevo@xs4all.nl.
9329 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
9331 * PACKAGING: New file, suggested by Bruno Haible and taken from
9332 similar wording in gettext's PACKAGING file.
9333 * NEWS: Mention PACKAGING.
9334 * Makefile.am (EXTRA_DIST): Add PACKAGING.
9336 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
9338 * NEWS: Document recent i18n improvements.
9339 * bootstrap: Get runtime translations into runtime-po.
9340 Create runtime-po files automatically, if possible.
9341 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
9342 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
9343 does not infringe on the user's name space.
9344 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
9345 * doc/bison.texinfo (Internationalization): Revamp the English
9346 and Texinfo syntax a bit, to try to make it clearer.
9347 (Bison Options, Option Cross Key): Mention --print-localedir.
9348 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
9349 YYENABLE_NLS. Quote a bit more.
9350 * runtime-po/.cvsignore: New file.
9351 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
9352 * runtime-po/Rules-quot: Remove; now created by bootstrap.
9353 * runtime-po/quot.sed: Likewise.
9354 * runtime-po/boldquot.sed: Likewise.
9355 * runtime-po/en@quot.header: Likewise.
9356 * runtime-po/en@boldquot.header: Likewise.
9357 * runtime-po/insert-header.sin: Likewise.
9358 * runtime-po/remove-potcdate.sin: Likewise.
9359 * runtime-po/Makevars: Likewise.
9360 * runtime-po/LINGUAS: Likewise.
9361 * runtime-po/de.po: Likewise; we will rely on the translation project
9362 to maintain this, so "bootstrap" should get it.
9363 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
9365 * src/main.c (main): Bind the bison-runtime domain, too.
9367 2005-07-12 Bruno Haible <bruno@clisp.org>
9369 * data/yacc.c: Include <libintl.h> when NLS is enabled.
9370 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
9371 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
9372 * runtime-po: New directory.
9373 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
9374 $(DOMAIN).pot-update rule, so that old messages are never dropped.
9375 * runtime-po/Rules-quot: New file, copied from po/.
9376 * runtime-po/quot.sed: Likewise.
9377 * runtime-po/boldquot.sed: Likewise.
9378 * runtime-po/en@quot.header: Likewise.
9379 * runtime-po/en@boldquot.header: Likewise.
9380 * runtime-po/insert-header.sin: Likewise.
9381 * runtime-po/remove-potcdate.sin: Likewise.
9382 * runtime-po/Makevars: New file.
9383 * runtime-po/POTFILES.in: New file.
9384 * runtime-po/LINGUAS: New file.
9385 * runtime-po/bison-runtime.pot: New file.
9386 * runtime-po/de.po: New file.
9387 * m4/bison.m4: New file.
9388 * Makefile.am (SUBDIRS): Add runtime-po.
9389 (aclocaldir, aclocal_DATA): New variables.
9390 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
9392 * src/getargs.c (usage): Document --print-localedir option.
9393 (PRINT_LOCALEDIR_OPTION): New enum item.
9394 (long_options): Add --print-localedir option.
9395 (getargs): Handle --print-localedir option.
9396 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
9397 (Internationalization): New section.
9399 2005-07-12 Akim Demaille <akim@epita.fr>
9401 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
9402 for consistency with the rest of the code.
9403 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
9406 2005-07-12 Akim Demaille <akim@epita.fr>
9408 * src/parse-gram.y: Use %printer instead of YYPRINT.
9410 2005-07-12 Akim Demaille <akim@epita.fr>
9412 * src/symtab.h, src/symtab.c (symbol_print): New.
9413 * src/symlist.h, src/symlist.c (symbol_list_print): New.
9414 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
9416 2005-07-12 Akim Demaille <akim@epita.fr>
9418 * data/glr.c (b4_syncline): Fix (swap) the definitions of
9419 b4_at_dollar and b4_dollar_dollar.
9421 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
9423 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
9424 and Pennello's paper.
9426 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
9428 * data/yacc.c (yyparse): Undo previous patch. Instead,
9429 set yylsp[0] and yyvsp[0] only if the initial action
9430 sets yylloc and yylval, respectively.
9432 * data/yacc.c (yyparse): In the initial action, set
9433 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
9434 This avoids the use of undefined variables if the initial
9435 action does not set yylloc and/or yylval.
9437 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
9439 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
9440 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
9441 Remove from CVS. These files are automatically generated.
9442 * examples/extexi: Clarify that this file is now part of Bison,
9443 not GNU M4, and that it works with any POSIX-compatible Awk.
9444 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
9445 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
9446 so that we also get calc++-parser.yy. Geneate it.
9447 Use $(AWK), not gawk, since any conforming Awk will do.
9448 Put comment before action, since older 'make' can't handle comment
9450 $(BUILT_SOURCES): List all built sources, not just some of them.
9451 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
9452 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
9453 $($(calc_sources_generated)): Remove unnecessary test for existence
9454 of target. (This had a shell syntax error anyway; a stray "x".)
9455 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
9457 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
9459 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
9460 implied by the other modules.
9462 2005-07-06 Akim Demaille <akim@epita.fr>
9464 Bind examples/calc++ to the package.
9465 * examples/calc++/Makefile: Remove, replaced by...
9466 * examples/calc++/Makefile.am: ... this new file.
9467 * examples/calc++/test: Remove input.
9468 * examples/calc++/compile: Remove.
9469 * examples/Makefile.am: New.
9470 * configure.ac, Makefile.am: Adjust.
9471 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
9473 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
9475 * data/glr.c (yyFail): Drastically simplify; since the format argument
9476 never had any % directives, we can simply pass it to yyerror.
9477 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
9478 be modified later, as that is the usual style in glr.c.
9479 Problems reported by Paul Hilfinger.
9481 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
9482 and size overflow errors.
9483 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
9484 in case the user prolog sets feature-test macros like _GNU_SOURCE.
9485 (YYSIZEMAX): New macro.
9486 (yystpcpy): New function, taken from yacc.c.
9487 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
9488 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
9489 so that we don't have to maintain their signatures.
9490 (yyFail): Check for buffer overflow, by using vsnprintf rather
9491 than vsprintf. Allocate a bigger buffer if possible.
9492 Report an error if buffer allocation fails.
9493 (yyStackOverflow): New function.
9494 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
9495 the initialization was successful. It might fail if storage was
9497 (yyexpandGLRStack): Add more checks for storage allocation failure.
9498 Use yyStackOverflow to report failures.
9499 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
9500 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
9501 Don't assume stack number fits in int.
9502 (yysplitStack): Check for storage allocation failure.
9503 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
9504 can print diagnostics on storage allocation failure. All callers
9506 (yyresolveValue): Use yybool for boolean.
9507 (yyreportSyntaxError): Check for size-calculation overflow.
9508 This code is taken from yacc.c.
9509 (yyparse): Check for storage allocation errors when allocating
9512 2005-07-05 Akim Demaille <akim@epita.fr>
9514 Extract calc++ from the documentation.
9515 * doc/bison.texinfo (Calc++): Add the extraction marks.
9516 * examples/extexi: New, from the aborted GNU Programming 2E.
9517 Separate the different paragraph of a file with empty lines.
9518 * examples/Makefile: Use it to extract the whole calc++ example.
9520 2005-06-24 Akim Demaille <akim@epita.fr>
9522 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
9525 2005-06-22 Akim Demaille <akim@epita.fr>
9527 * doc/bison.texinfo (C++ Language Interface): First stab.
9528 (C++ Parsers): Remove.
9530 2005-06-22 Akim Demaille <akim@epita.fr>
9532 * data/lalr1.cc (yylex_): Honor %lex-param.
9534 2005-06-22 Akim Demaille <akim@epita.fr>
9536 Start a set of simple examples.
9537 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
9538 * examples/calc++/calc++-driver.hh,
9539 * examples/calc++/calc++-parser.yy,
9540 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
9541 * examples/calc++/compile, examples/calc++/test: New.
9543 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
9545 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
9546 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
9547 which stems from the 2005-05-27 patch.
9549 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
9551 * data/glr.c: Modify treatment of unused parameters to permit use
9552 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
9554 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
9556 Fix infringement on user name space reported by Janos Zoltan Szabo.
9557 * data/yacc.c (yyparse): strlen -> yystrlen.
9559 2005-05-30 Akim Demaille <akim@epita.fr>
9561 * data/lalr1.cc (_): New.
9562 Translate the various messages.
9564 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
9566 Fix infringement on user name space reported by Bruno Haible.
9567 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
9568 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
9569 the user's name space.
9570 (alloca): Include <stdlib.h> to get it, if it's not built in.
9571 (YYMALLOC, YYFREE): Define only if needed.
9572 (malloc, free): Declare, but only if needed, as this infringes on
9573 the user name space.
9575 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
9577 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
9578 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
9580 * lib/ebitset.c (min, max): Undef before defining.
9581 * lib/vbitset.c (min, max): Likewise.
9582 * lib/subpipe.c (create_subpipe): Save local variables in case
9583 vfork clobbers them.
9585 2005-05-24 Bruno Haible <bruno@clisp.org>
9587 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
9588 error message syntax used by gcc-4.0.
9590 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
9592 * README: Mention m4 1.4.3. Remove obsolete advice about
9593 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
9595 * bootstrap: Remove workaround for problem I encountered with
9596 gettext 0.14.1; it seems to be fixed now.
9598 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
9600 * NEWS: Version 2.0a.
9602 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
9603 the previous change.
9605 Various maintainer cleanups.
9606 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
9607 conftest*, for benefit of CVS commands run at the same time as
9608 "configure". Add build-aux, since "bootstrap" now creates it and
9610 * Makefile.cfg (move_if_change): Remove.
9611 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
9612 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
9613 (po_repo, do-po-update, po-update, wget_files, get-targets):
9614 (config.guess-url_prefix, config.sub-url_prefix):
9615 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
9616 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
9617 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
9619 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
9620 this is now the recommended name.
9621 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
9622 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
9623 ylwrap. These files now go into build-aux.
9624 * config/move-if-change: Remove.
9625 * config/prev-version.txt: Bump from 1.75 to 2.0.
9627 * bootstrap: Add stdio-safer, unistd-safer modules.
9628 Remove m4/glibc2.m4 (introduced by latest gnulib, but
9630 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
9631 fopen-safer.c, stdio-safer.h, unistd-safer.h.
9632 * lib/subpipe.c: Include "unistd-safer.h".
9633 (create_subpipe): Make sure all the newly-created
9634 file descriptors are > 2, so that diagnostics don't
9635 get sent down them (which might cause Bison to hang, in theory).
9636 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
9637 * src/files.c (xfopen): Use fopen_safer, not fopen.
9639 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
9640 yesterday's yacc.c fix.
9642 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
9644 * data/glr.c, data/lalr1.cc: Update copyright date.
9646 Fix a destructor bug reported by Wolfgang Spraul in
9647 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
9648 * data/yacc.c (yyabortlab): Don't call destructor, and
9649 don't set yychar to EMPTY.
9650 (yyoverflowlab): Don't call destructor.
9651 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
9652 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
9653 since we no longer output the message "discarding lookahead token
9656 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
9658 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
9659 fix a small glitch in debugging output.
9660 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
9661 after YY_SYMBOL_PRINT where needed.
9663 (struct yyGLRState): Add some comments.
9664 (struct yySemanticOption): Add some comments.
9665 (union yyGLRStackItem): Add comment.
9667 (yymergeOptionSets): Correct this to properly perform the union,
9668 avoiding infinite reported by Michael Rosien.
9671 * tests/glr-regression.at: Add test for GLR merging error reported
9674 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
9676 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
9677 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
9678 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
9679 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
9680 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
9681 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
9682 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
9683 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
9684 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
9685 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
9686 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
9687 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
9688 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
9689 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
9690 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
9691 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
9692 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
9693 src/derives.h, src/files.c, src/files.h, src/getargs.c,
9694 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
9695 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
9696 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
9697 src/output.h, src/parse-gram.c, src/parse-gram.h,
9698 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
9699 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
9700 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
9701 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
9702 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
9703 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
9704 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
9705 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
9706 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
9707 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
9708 tests/reduce.at, tests/regression.at, tests/sets.at,
9709 tests/synclines.at, tests/testsuite.at, tests/torture.at:
9710 Update FSF postal mail address.
9712 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
9714 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
9715 Problem reported by Ralf Menzel.
9717 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
9719 * tests/actions.at: Test that stack overflow invokes destructors.
9720 From Marcus Holland-Moritz.
9721 * data/yacc.c (yyerrlab): Move the code that destroys the stack
9723 (yyreturn): to here. That way, destructors are called properly
9724 even if the stack overflows, or the user calls YYACCEPT or
9725 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
9726 (yyoverflowlab): Destroy the lookahead.
9728 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
9730 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
9732 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
9734 * NEWS: Bison-generated C parsers no longer quote literal strings
9735 associated with tokens.
9736 * src/output.c (prepare_symbols): Don't escape strings,
9737 since users don't want to see C escapes.
9738 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
9740 * tests/input.at (Torturing the Scanner): Likewise.
9741 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
9743 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
9745 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
9746 the data size is known to be too small and we can't increase it.
9747 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
9749 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
9751 * src/parse-gram.y: Include quotearg.h.
9752 (string_as_id): Quote $1 before using it as a key, since the
9753 lexer no longer quotes it for us.
9754 (string_content): Don't strip quotes, since lexer no longer
9756 * src/scan-gram.l: Include quotearg.h.
9758 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
9759 a key, since the rest of the lexer doesn't quote it.
9760 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
9761 * tests/regression.at (Token definitions): Check for backslashes
9764 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
9765 (YYSIZE_T): Define to unsigned long int when using an older compiler.
9766 (yyparse): Revamp code to generate long syntax error message, to
9767 make it easier to translate, and to avoid problems with arithmetic
9768 overflow. Change "virtual memory" to "memory" in diagnostic, since
9769 we don't know whether the memory is virtual.
9771 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
9773 * NEWS: Bison-generated C parsers now use the _ macro to
9775 * data/yacc.c (_) [!defined _]: New macro.
9776 All English strings wrapped inside this macro.
9777 * doc/bison.texinfo (Bison Parser): Document _.
9778 * po/POTFILES.in: Include src/parse-gram.c, since it now
9779 includes translateable strings that parse-gram.y doesn't.
9781 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
9783 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
9784 reverting the 2004-10-11 change to this function.
9785 (symbol_check_alias_consistency): Don't call symbol_type_set
9786 if the type name is already correct.
9787 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
9789 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
9791 * tests/regression.at (Token definitions): Don't use a token named
9792 c, as that generates a "#define c ..." that runs afoul of buggy
9793 stdlib.h that uses the identifier c as a member of struct
9794 drand48_data. Problem reported by Horst Wente.
9796 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
9798 * bootstrap: Change translation URL from
9799 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
9800 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
9801 redirection glitches. Problem reported by twlevo@xs4all.nl.
9803 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
9805 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
9806 after operands; POSIX says this isn't portable for the c99 command.
9808 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
9810 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
9811 immediately if a data overrun has occurred; this may help us track
9812 down what may be a spurious failure on MacOS.
9814 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
9816 Respond to problems reported by twlevo@xs4all.nl.
9818 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
9820 * src/vcg.h: Comment fix.
9821 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
9822 (G_CMAX): Change to -1 instead of INT_MAX.
9824 * data/yacc.c (yyparse): Omit spaces before #line.
9826 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
9828 * src/tables.c (state_number_to_vector_number): Put it inside an
9829 "#if 0", since it's not currently used. Problem reported by
9832 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
9834 * src/output.c (escaped_output): Renamed from
9835 escaped_file_name_output, since we now use it for symbol tags as
9836 well. All uses changed.
9837 (symbol_destructors_output, symbol_printers_output):
9838 Escape symbol tags too.
9839 Problem reported by Matyas Forstner in
9840 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
9842 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
9844 * src/output.c (user_actions_output, token_definitions_output,
9845 symbol_destructors_output, symbol_printers_output): Likewise.
9846 * src/reader.c (prologue_augment): Likewise.
9847 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
9849 * src/vcg.c (output_edge): Don't quote linestyle arg.
9850 Problem reported by twlevo@xs4all.nl.
9852 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
9854 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
9855 example, reported by Derek M Jones. Also, make the example even
9856 more outrageous, to better illustrate how bad the problem is.
9858 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
9860 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
9861 putsym. Typo reported by Sebastian Piping.
9863 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
9865 * doc/bison.texinfo (Language and Grammar): some -> same
9866 (Epilogue): int he -> in the
9867 Typos reported by Sebastian Piping via Justin Pence.
9869 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
9871 * tests/glr-regression.at (Improper handling of embedded actions
9872 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
9873 embedded actions and $-N in GLR parsers", work around an Autoconf bug
9874 with dollar signs in test names.
9875 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
9876 for a similar reason.
9878 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
9880 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
9881 wants to redefine G_VIEW.
9883 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
9885 * src/vcg.c (get_view_str): Remove case for normal_view.
9886 Problem reported by twlevo@xs4all.nl.
9888 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
9890 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
9891 Problem reported by twlevo@xs4all.nl.
9893 * doc/bison.texinfo: Change @dircategory from "GNU programming
9894 tools" to "Software development". Requested by Richard Stallman
9897 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
9899 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
9900 Problem reported by twlevo@xs4all.nl.
9902 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
9904 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
9905 keyword; it's not needed with modern compilers, and it doesn't
9906 affect correctness with older compilers. Suggested by
9909 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
9911 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
9912 gcc -Wswitch-default.
9913 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
9914 * data/yacc.c (yyparse): Likewise.
9916 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
9918 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
9919 already. Let config.h define any nonstandard values.
9921 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
9923 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
9924 for the benefit of slower hosts. Problem reported by
9927 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
9929 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
9930 being defined and not used.
9931 * data/lalr1.cc (yyparse): Likewise.
9932 Use "if (false)" rather than "if (0)".
9934 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
9936 * TODO: Mention that we should allow NUL bytes in tokens.
9938 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
9940 * src/scan-skel.l (<<EOF>>): Don't close standard output.
9941 Problem reported by Hans Aberg.
9943 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
9945 * src/getargs.c (version): Happy new year; update overall
9946 program copyright date from 2004 to 2005.
9948 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
9949 Problem reported by Hans Aberg.
9950 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
9951 (Output file names.): Add a test for the case when standard output
9954 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
9956 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
9957 to fix an oversight in the Bison 2.0 manual.
9959 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
9961 * NEWS: Version 2.0. Reformat the existing news items since
9962 1.875, so that related items are grouped together.
9963 * configure.ac (AC_INIT): Bump version to 2.0.
9964 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
9966 * tests/torture.at (Exploding the Stack Size with Alloca): Set
9967 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
9968 otherwise, we're not testing alloca. Unfortunately there's no
9969 simple way to consult HAVE_ALLOCA here.
9971 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
9974 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
9975 hand. This avoids a warning about comparing int to size_t when
9976 GCC warnings are enabled.
9978 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
9980 * NEWS: Bison-generated parsers no longer default to using the
9981 alloca function (when available) to extend the parser stack, due
9982 to widespread problems in unchecked stack-overflow detection.
9983 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
9984 responsibility to set it to a positive value. This lets the user
9985 specify a value that is not a preprocessor constant.
9986 * data/yacc.c (YYMAXDEPTH): Likewise.
9987 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
9988 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
9989 to be a compile-time constant. However, explain the constraints on it.
9990 Also, explain the constraints on YYINITDEPTH.
9991 (Table of Symbols): Explain that alloca is no longer the default.
9992 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
9995 * doc/bison.texinfo (Location Default Action): Mention that n must
9996 be zero when k is zero. Suggested by Frank Heckenbach.
9998 2004-12-22 Akim Demaille <akim@epita.fr>
10000 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
10001 (parser::state_type, parser::semantic_type, parser::location_type):
10002 Private, not public.
10003 (parser::parse): Return ints, not bool.
10004 Returning a bool introduces a problem: 0 corresponds to false, and
10005 it seems weird to return false on success. Returning true changes
10006 the conventions for yyparse.
10007 Alternatively we could return void and send an exception.
10008 There is no clear consensus (yet?).
10009 (state_stack, semantic_stack, location_stack): Rename as...
10010 (state_stack_type, semantic_stack_type, location_stack_type): these.
10011 Private, not public.
10012 * tests/c++.at: New.
10013 * tests/testsuite.at, tests/Makefile.am: Adjust.
10015 2004-12-21 Akim Demaille <akim@epita.fr>
10017 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
10019 2004-12-21 Akim Demaille <akim@epita.fr>
10021 Don't impose std::string for filenames.
10023 * data/lalr1.cc (b4_filename_type): New.
10024 (position::filename): Use it.
10025 (parser.hh): Move the inclusion of stack.hh and location.hh below
10026 the user code, so that needed headers for the filename type can be
10028 Forward declare them before the user code.
10029 * tests/Makefile.am (check-local, installcheck-local): Pass
10030 TESTSUITEFLAGS to the TESTSUITE.
10032 2004-12-20 Akim Demaille <akim@epita.fr>
10034 Use more STL like names: my_class instead of MyClass.
10036 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
10037 (SemanticStack, SemanticType, StateStack, StateType)
10038 (TokenNumberType, Stack, Slice, Traits, Parser::location)
10039 (Parser::value): Rename as...
10040 (location_stack, location_type, rhs_number_type, semantic_stack)
10041 (semantic_type, state_stack, state_type, token_number_type, stack)
10042 (slice, traits, parser::yylloc, parser::yylval): these.
10044 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
10046 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
10048 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
10049 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
10051 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
10053 Remove uses of 'short int' and 'unsigned short int'. This raises
10054 some arbitrary limits. It uses more memory but nowadays that's
10055 not much of an issue.
10057 This change does not affect the generated parsers; that's a different
10058 task, as some users will want to conserve memory there.
10060 Ideally we should use size_t to represent all object counts, and
10061 something like ptrdiff_t to represent signed differences of object
10062 counts; but that will require more code-cleanup than I have the
10063 time to do right now.
10065 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
10066 Use size_t, not int or short int, to count objects.
10067 * src/closure.c (nritemset, closure): Likewise.
10068 * src/closure.h (nritemset, closure): Likewise.
10069 * src/nullable.c (nullable_compute): Likewise.
10070 * src/print.c (print_core): Likewise.
10071 * src/print_graph.c (print_core): Likewise.
10072 * src/state.c (state_compare, state_hash): Likewise.
10073 * src/state.h (struct state): Likewise.
10074 * src/tables.c (default_goto, goto_actions): Likewise.
10076 * src/gram.h (rule_number, rule): Use int, not short int.
10077 * src/output.c (prepare_rules): Likewise.
10078 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
10079 errs, reductions): Likewise.
10080 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
10082 * src/tables.c (vector_number, tally, action_number,
10083 ACTION_NUMBER_MINIMUM): Likewise.
10084 * src/output.c (muscle_insert_short_int_table): Remove.
10086 2004-12-17 Akim Demaille <akim@epita.fr>
10088 * data/lalr1.cc: Extensive Doxygenation.
10089 (error_): Rename as...
10090 (error): this, since it is visible to the user.
10092 (Parser::message): Now an automatic variable from...
10093 (Parser::yyreport_syntax_error_): here.
10094 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
10096 * tests/input.at: Escape $.
10098 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
10100 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
10101 Parenthesize rhs to avoid obscure problems with mistakes like
10102 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
10103 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
10104 b4_rhs_location): Likewise.
10105 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
10106 b4_rhs_location): Likewise.
10108 2004-12-16 Akim Demaille <akim@epita.fr>
10110 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
10111 yacc.c: be sure to stay within yycheck_.
10112 * tests/actions.at: Re-enable C++ tests.
10114 2004-12-16 Akim Demaille <akim@epita.fr>
10116 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
10119 2004-12-16 Akim Demaille <akim@epita.fr>
10121 Use #define to handle the %name-prefix.
10123 * data/glr.c, data/yacc.c: Comment changes.
10124 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
10125 so that one can refer to yylex in the parser file, and have it
10126 renamed, as is the case with other skeletons.
10128 2004-12-16 Akim Demaille <akim@epita.fr>
10130 Move lalr1.cc internals into yy*.
10132 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
10133 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
10134 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
10135 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
10136 (empty_, final_, terror_, errcode_, ntokens_)
10137 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
10138 (looka_, ilooka_, error_range_, nerrs_):
10140 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
10141 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
10142 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
10143 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
10144 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
10145 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
10146 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
10147 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
10150 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
10152 Fix some problems reported by twlevo at xs4all.
10153 * src/symtab.c (symbol_new): Report an error if the input grammar
10154 contains too many symbols. This is better than calling abort() later.
10155 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
10156 (struct node, struct graph):
10157 Rename member expand to stretch. All uses changed.
10158 (struct graph): Remove member layoutalgorithm. All uses removed.
10159 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
10160 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
10162 (N_STRETCH): Rename from N_EXPAND. All uses changed.
10164 2004-12-15 Akim Demaille <akim@epita.fr>
10166 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
10167 Add more Doxygen comments.
10168 (symprint_, stack_print_, reduce_print_, destruct_, pop)
10169 (report_syntax_error_, translate_): Rename as...
10170 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
10171 (yypop_, yyreport_syntax_error_, yytranslate_): this.
10173 2004-12-15 Akim Demaille <akim@epita.fr>
10175 * data/lalr1.cc (lex_): Rename as...
10177 Move the trace here.
10178 Take the %name-prefix into account.
10179 Reported by Alexandre Duret-Lutz.
10181 2004-12-15 Akim Demaille <akim@epita.fr>
10183 Simplify the C++ parser constructor.
10185 * data/lalr1.cc (debug_): Rename as...
10186 (yydebug_): so that the parser's internals are always in the yy*
10189 (b4_parse_param_decl): Remove the leading comma as it is now only
10190 called as unique argument list.
10191 (Parser::Parser): Remove the constructor accepting a location and
10192 an initial debugging level.
10193 Remove from the other ctor the argument for the debugging level.
10194 (debug_level_type, debug_level, set_debug_level): New.
10196 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
10199 2004-12-15 Akim Demaille <akim@epita.fr>
10201 Remove b4_root related material: failure experiment
10202 (which goal was to allow to derive from a class).
10204 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
10205 definitions and uses.
10207 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
10209 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
10210 not 2, since it's not portable to subtract 1 from the start of an
10211 array. The new item 0 is never set or used. All uses changed.
10213 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
10214 the default definition of YYLLOC_DEFAULT. Problem reported
10215 by Frank Heckenbach.
10217 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
10219 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
10220 the normal case and one for the error case. Just use the
10221 first one uniformly. Problem reported by Frank Heckenbach.
10222 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
10223 use exactly the same macro in both places.
10224 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
10225 so that the normal-case YYRHSLOC works for the error case too.
10227 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
10228 (YYLLOC_DEFAULT): Use the same macro as glr.c.
10229 * doc/bison.texinfo (Location Default Action): Don't claim that
10230 we have an array of locations. Use the same macro for both glr
10231 and lalr parsers. Mention YYRHSLOC. Mention what happens when
10234 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10236 * HACKING: Update email addresses to send announcements to.
10238 * configure.ac (AC_INIT): Bump version to 1.875f.
10240 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
10242 * NEWS: Version 1.875e.
10243 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
10245 * src/scan-skel.l: Include "complain.h", for "fatal".
10247 * src/relation.h (relation_print, relation_digraph):
10248 Relation sizes are of type relation_node, not size_t (this is
10249 merely a doc fix, since the two types are equivalent).
10250 (relation_transpose): Relation sizes are of type relation_node,
10252 * src/relation.c: Likewise.
10253 (top, infinity): Now of type relation_node, not int.
10254 (traverse, relation_transpose): Use relation_node, not int.
10256 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
10257 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
10258 (yyparse): Remove unused local introduced in 2004-10-25 patch.
10260 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
10261 specifying whether the test should be skipped. Use it tp
10262 specify that the [%defines %skeleton "lalr1.cc"] tests currently
10263 fail on some hosts, and should be skipped.
10265 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
10267 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
10268 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
10269 unless otherwise specified below.
10271 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
10272 to allocate kernel_base, kernel_items, kernel_size, since
10273 they needn't be initialized to 0.
10274 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
10275 * src/closure.c (new_closure): Likewise, for itemset.
10276 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
10277 * src/lalr.c (set_goto_map): Likewise, for temp_map.
10278 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
10279 (build_relations): Likewise for edge, states1, includes.
10280 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
10281 * src/reader.c (packgram): Likewise, for ritem, rules.
10282 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
10283 * src/relation.c (relation_digraph): Likewise for VERTICES.
10284 (relation_transpose): Likewise for new_R, end_R.
10285 * src/symtab.c (symbols_token_translations_init): Likewise for
10286 token_translations.
10287 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
10288 (token_actions): Likewise for yydefact, actrow, conflrow,
10290 (save_column): Likewise for froms[symno], tos[symno].
10291 (goto_actions): Likewise for state_count.
10292 (pack_table): Likewise for base, pos, check.
10293 (tables_generate): Likewise for width.
10295 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
10296 for initial core. Just have a separate core, so we needn't worry
10297 about whether kernel_size and kernel_base are initialized.
10299 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
10300 kernel_size, kernel_items): Remove unnecessary initialization.
10301 * src/conflicts.c (conflicts): Likewise.
10302 * src/derives.c (derives): Likewise.
10303 * src/muscle_tablc (muscle_insert): Likewise.
10304 * src/relation.c (relation_digraph): Likewise.
10305 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
10306 conflrow, conflict_table, conflict_list, table, check):
10309 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
10310 This is because all callers pass unsigned int.
10311 * src/closure.h (new_closure): Likewise.
10313 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
10314 (build_relations): Initialize includes[i] in all cases.
10315 * src/reader.c (packgram): Always initialize rules[ruleno].prec
10316 and rules[ruleno].precsym. Initialize members in order.
10317 * src/relation.c (relation_transpose): Always initialize new_R[i]
10319 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
10321 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
10322 conflict_list[0] was always 0, but now it isn't initialized.
10324 * src/table.c (table_grow): When conflict_table grew, the grown
10325 area wasn't cleared. Fix this.
10327 * lib/.cvsignore: Add strdup.c, strdup.h.
10328 * m4/.cvsignore: Add strdup.m4.
10330 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
10332 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
10333 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
10334 GOTO_NUMBER_MAXIMUM, since we occasionally compute
10335 ngotos + 1 without checking for overflow.
10336 (build_relations): Use END_NODE, not -1, to denote end of edges.
10337 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
10338 build_relations): Use goto_number, not int, for goto numbers.
10339 * src/tables.c (save_column, default_goto): Likewise.
10341 2004-11-23 Akim Demaille <akim@epita.fr>
10343 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
10344 of #defining from yystype.
10345 Don't typedef yystype, C++ does not need it.
10346 This lets it possible to forward declare it as union.
10348 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
10350 * bootstrap (gnulib_modules): Add extensions.
10351 Problem reported by Jim Meyering.
10353 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
10355 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
10356 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
10357 src/system.h, src/tables.c: XFREE -> free, to accommodate
10358 recent change to gnulib xalloc.h.
10359 Problem reported by Jim Meyering.
10361 2004-11-17 Akim Demaille <akim@epita.fr>
10363 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
10365 2004-11-17 Akim Demaille <akim@epita.fr>,
10366 Alexandre Duret-Lutz <adl@gnu.org>
10368 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
10370 (YYCDEBUG): Adjust.
10371 Use it instead of cdebug_.
10372 (Parser::debug_stream, Parser::set_debug_stream): New.
10373 (Parser::symprint_): Define cdebug_ for temporary backward
10375 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
10378 2004-11-17 Akim Demaille <akim@epita.fr>
10380 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
10381 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
10382 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
10383 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
10385 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
10387 * data/glr.c (yyloc_default): Remove; not used.
10388 Problem reported by Frank Heckenbach.
10390 2004-10-25 Akim Demaille <akim@epita.fr>
10392 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
10393 Introduce another definition to address simple location arrays.
10394 (yyGLRStack): New member: yyerror_range.
10395 (yyrecoverSyntaxError, yyparse): Update it.
10396 (yyrecoverSyntaxError): Use it when shifting the error token to
10397 have an accurate range, equivalent to the one computed by both
10398 yacc.c and lalr1.cc.
10399 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
10400 that column numbers start at column 0, as per GNU Coding
10401 Standards, the others tests, and the doc.
10402 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
10403 Adjust to the above change (first column is 0).
10404 And adjust the location of the "<error>", now covering the whole
10407 2004-10-22 Akim Demaille <akim@epita.fr>
10408 and Paul Eggert <eggert@cs.ucla.edu>
10410 Remove some arbitrary limits on goto numbers and relations.
10411 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
10412 initial values, since they're never used.
10413 (set_goto_map): ngotos is now unsigned, so test for overflow
10414 by seeing whether it wraps around to zero.
10415 * src/lalr.h (goto_number): Now size_t, not short int.
10416 (GOTO_NUMBER_MAXIMUM): Remove.
10417 * src/relation.c (relation_print, traverse, relation_transpose):
10418 Check for END_NODE rather than looking at sign.
10419 * src/relation.h (END_NODE): New macro.
10420 (relation_node): Now size_t, not short int.
10422 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
10424 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
10425 keyword, not an identifier. Problem reported by Baron Schwartz in
10426 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
10428 2004-10-11 Akim Demaille <akim@epita.fr>
10430 * src/symtab.c (symbol_check_alias_consistency): Also check
10431 type names, destructors, and printers.
10432 Reported by Alexandre Duret-Lutz.
10433 Recode the handling of associativity and precedence in terms
10434 of symbol_precedence_set.
10435 Accept no redeclaration at all, not even equal to the previous
10437 (redeclaration): New.
10438 Use it to factor redeclaration complaints.
10439 (symbol_make_alias): Don't set the type of the alias, let
10440 symbol_check_alias_consistency do it as for other features.
10441 * src/symtab.h (symbol): Add new member prec_location, and
10443 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
10444 * tests/input.at (Incompatible Aliases): New.
10446 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
10448 .cvsignore fixes to accommodate gnulib changes,
10449 and the practice of naming build directories "_build".
10450 * .cvsignore: Add "_*". Sort.
10451 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
10452 * m4/.cvsignore: Add "*_gl.m4".
10454 2004-10-06 Akim Demaille <akim@epita.fr>
10456 * src/parse-gram.y (add_param): Fix the truncation of trailing
10459 2004-10-05 Akim Demaille <akim@epita.fr>
10461 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
10462 whether the reducion was empty or not. This leaves room to
10463 improve the use of YYLLOC_DEFAULT in such a case.
10464 lalr1.cc is still experimental, so changing this is acceptable.
10465 And finally, there are probably not many users who changed the
10466 handling of locations in GLR, so changing is admissible too.
10468 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
10469 empty reduction, set @$ to an empty location ending the previously
10471 Adjust uses to make sure the code is triggered on empty
10473 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
10474 expected output: empty reductions have empty locations.
10476 2004-09-29 Akim Demaille <akim@epita.fr>
10478 * data/lalr1.cc: Move towards a more standard C++ coding style
10479 for templates: Class < T > -> Class<T>.
10481 2004-09-29 Akim Demaille <akim@epita.fr>
10483 * data/lalr1.cc: Reinstall the former ctor, for sake of
10484 compatibility, but warn it will be removed.
10485 Move towards a more standard C++ coding style (i.e., type *var ->
10488 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
10490 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
10491 since it's less likely to work if NULs are involved in the future.
10493 2004-09-27 Akim Demaille <akim@epita.fr>
10495 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
10497 2004-09-27 Akim Demaille <akim@epita.fr>
10499 * data/lalr1.cc (b4_parse_param_decl_1): New.
10500 (b4_parse_param_decl): Use it to have different names between attribute
10501 and argument names.
10502 (b4_cc_constructor_call): Likewise.
10504 2004-09-24 Akim Demaille <akim@epita.fr>
10506 * src/parse-gram.y (add_param): Strip the leading and trailing
10507 blanks from a formal argument declaration.
10508 (YY_LOCATION_PRINT): New.
10510 2004-09-24 Akim Demaille <akim@epita.fr>
10512 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
10513 after the location.
10515 2004-09-24 Akim Demaille <akim@epita.fr>
10517 * doc/bison.texinfo (Table of Symbols): Sort.
10519 2004-09-21 Akim Demaille <akim@epita.fr>
10521 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
10522 the useless parentheses.
10523 Suggested by Paul Eggert.
10525 2004-09-20 Akim Demaille <akim@epita.fr>
10527 Let the initial-action act on the look-ahead, and use it for the
10528 "initial push" (corresponding to an hypothetical beginning-of-file).
10529 And let lalr1.cc honor %initial-action.
10531 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
10533 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
10534 (Parser::Parser): Remove the ctor that used to initialize it.
10535 (Parser::parse): Like in the other skeletons, issue the "starting
10536 parse" message before any action.
10537 Honor %initial-action.
10538 Initialize the stacks with the lookahead.
10539 * data/yacc.c: Let $$ and @$ in %initial-action designate the
10541 Push them in the stacks.
10542 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
10544 2004-09-20 Akim Demaille <akim@epita.fr>
10546 * doc/bison.texinfo (Initial Action Decl): New.
10548 2004-09-20 Akim Demaille <akim@epita.fr>
10550 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
10551 clearer criterion to define it.
10552 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
10553 When reducing on an empty RHS, use the latest stacked location as
10555 yylloc is not always available.
10556 * data/glr.c: Likewise.
10557 Also, honor initial-actions.
10559 2004-09-20 Akim Demaille <akim@epita.fr>
10561 * data/yacc.c (YY_LOCATION_PRINT): New.
10562 Define when we know YYLTYPE's structure, i.e., when the default
10563 YYLLOC_DEFAULT is used.
10564 * data/c.m4 (b4_yysymprint_generate): Use it.
10565 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
10566 value of the result.
10567 (error_start_): Replace with...
10568 (error_range_): this location array.
10569 This allows to replace code relying on the implementation of
10570 locations by portable code.
10571 * data/yacc.c (yylerrsp): Replace with...
10572 (yyerror_range): this.
10573 Every time a token is popped, update yyerror_range[0], to have an
10574 accurate location for the error token.
10575 * data/glr.c (YY_LOCATION_PRINT): New.
10576 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
10577 deference a pointer.
10578 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
10579 report the location in %printers.
10581 * src/scan-skel.l: Instead of abort, report error messages to ease
10582 understanding skeleton scanning failures.
10584 2004-09-16 Akim Demaille <akim@epita.fr>
10586 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
10587 (iterator, const_iterator): these, to be more in the C++ spirit.
10588 Also, return reverse iterators so that when displaying the stack
10589 we display its bottom first.
10590 (Parser::stack_print_, Parser::reduce_print_): Match the messages
10592 We should probably use vector here though.
10594 2004-09-16 Akim Demaille <akim@epita.fr>
10596 Have more complete shift traces.
10598 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
10599 to report Shifts instead of ad hoc YYDPRINTF invocations,
10600 including for the error token.
10601 * data/lalr1.cc (symprint_): Output the location.
10602 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
10603 output the location within the %printer.
10604 Activate GLR tests, at least to make sure they compile properly.
10605 They still don't pass though.
10606 * tests/calc.at: Adjust expect verbose output, since now "Entering
10607 state..." is on a different line than the "Shifting" message.
10609 2004-09-08 Akim Demaille <akim@epita.fr>
10611 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
10612 Bison directive from the Bison file to the invocation of this
10613 macro, so that these directives are passed to
10614 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
10615 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
10616 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
10617 the extra Bison directives instead of the whole series.
10618 Change the grammar so that there are recoverable errors, and
10619 unrecoverable errors. Now we can have the parser give up before
10620 consuming the whole input. As a result we now can observe that
10621 the lookahead is freed when needed.
10622 Change the parser source to parse argv[1] instead of a hard coded
10624 Simplify yylex, and give a value and location to EOF.
10625 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
10626 passed directives already coded in the file.
10627 Add some tests to check the location of "error".
10628 For some tests, the C++ parser is correct, and not yacc.c.
10629 For other tests, they provide different, but unsatisfying, values,
10630 so keep the C++ value so that at least one parser is "correct"
10631 according to the test suite.
10632 (Actions after errors): Remove, this is subsumed by the
10633 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
10635 2004-09-06 Akim Demaille <akim@epita.fr>
10637 * data/lalr1.cc: Adjust the indentation of the labels.
10638 (Parser::pop): New.
10641 2004-09-06 Akim Demaille <akim@epita.fr>
10643 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
10644 argument, an informative message.
10645 Call YY_SYMBOL_PRINT.
10646 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
10647 * data/lalr1.cc (destruct_): Likewise.
10648 In addition, no longer depend on b4_yysymprint_generate and
10649 b4_yydestruct_generate to generate these functions, do it "by
10652 2004-09-03 Akim Demaille <akim@epita.fr>
10654 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
10655 invoked, yydestruct the lookahead.
10656 * tests/calc.at (Calculator $1): Update the expected lengths of
10657 traces: there is an added line for the discarded lookahead.
10658 * doc/bison.texinfo (Destructor Decl): Some rewording.
10659 Define "discarded" symbols.
10661 2004-09-02 Akim Demaille <akim@epita.fr>
10663 * data/lalr1.cc (translate_, destruct_): No reason to be static.
10665 2004-09-02 Akim Demaille <akim@epita.fr>
10667 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
10668 (YYDSYMPRINTF): Rename as...
10669 (YY_SYMBOL_PRINT): this.
10670 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
10672 Use it instead of direct symprint_ calls.
10673 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
10676 2004-09-02 Akim Demaille <akim@epita.fr>
10678 * data/lalr1.cc (b4_yysymprint_generate): New.
10679 (symprint_): New member function, defined when YYDEBUG.
10680 Use it consistently instead of token/nterm debugging output by
10682 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
10683 %printer calls to use cdebug_ when using lalr1.cc.
10685 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
10687 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
10688 with #ifdef YYDEBUG.
10690 2004-08-26 Akim Demaille <akim@epita.fr>
10692 * doc/bison.texinfo (Implementing Loops): Rename as...
10693 (Implementing Gotos/Loops): this.
10695 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
10697 Adjust to latest gnulib.
10698 * bootstrap (gnulib_modules): Add xalloc-die.
10699 Set LC_ALL=C so that file names sort consistently.
10700 Prefer the gnulib copies of gettext.m4, glibc21.m4,
10701 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
10702 uintmax_t.m4, ulonglong.m4.
10703 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
10704 po.m4 since we are now using _gl.m4 instead.
10706 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
10708 * src/scan-action.l: Remove. Scanning of semantic actions is
10709 handled in scan-gram.l.
10711 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
10713 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
10715 * src/location.h (struct): The file member is a uniqstr.
10716 (equal_boundaries): Use UNIQSTR_EQ for comparison.
10718 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
10720 Fix bug with non-%union parsers that have printers or destructors,
10721 which led to a Bison core dump. Reported by Peter Fales in
10722 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
10724 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
10725 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
10726 not to our own type.
10727 * src/output.c (symbol_destructors_output, symbol_printers_output):
10728 Don't assume %union.
10729 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
10730 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
10731 UNION-FLAG. All callers changed.
10732 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
10733 Use type char, not unsigned int, when declaring an array of char;
10734 this lets us remove a cast.
10735 (Printers and Destructors): Add non-%union test cases.
10737 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10739 * doc/bison.texinfo: Minor editorial changes, mostly to the new
10740 GLR writeups. E.g., avoid frenchspacing and the future tense,
10741 change "lookahead" to "look-ahead", and change "wrt" to "with
10744 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
10746 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
10747 New sections, split off from the GLR Parsers section. Put the new
10748 Simple GLR Parser near the start of the GLR section, for clarity.
10749 Rewrite connective text.
10751 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
10753 * doc/bison.texinfo (Simple GLR Parsers): New section.
10755 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
10757 * NEWS, TODO, doc/bison.texinfo:
10758 Use "look-ahead" instead of "lookahead", to be consistent.
10759 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
10760 while we're fixing "look-ahead".
10761 * src/conflicts.c (shift_set): Renamed from shiftset.
10762 (look_ahead_set): Renamed from lookaheadset.
10763 * src/print.c: Likewise.
10764 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
10765 name for "lookahead".
10766 (report_types, usage): Likewise.
10767 * src/getargs.h (report_look_ahead_tokens): Renamed from
10769 * src/lalr.c (compute_look_ahead_tokens): Renamed from
10770 compute_lookaheads.
10771 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
10772 (look_ahead_tokens_print): Renamed from lookaheads_print.
10773 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
10774 state_rule_lookaheads_print.
10775 * src/state.h: Likewise.
10776 (reductions.look_ahead_tokens): Renamed from lookaheads.
10777 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
10778 AT_DATA_LOOKAHEADS_GRAMMAR.
10780 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
10782 * README: Update location of patched M4 distribution.
10784 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
10786 Don't assume the C++ compiler takes the same arguments as the C compiler
10788 * configure.ac (O0CXXFLAGS): New var.
10789 * tests/atlocal.in (CXXFLAGS): Use it.
10791 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
10793 Fix some "make check" problems with C++ reported by
10794 Albert Chin-A-Young for Tru64 C++ in this thread:
10795 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
10797 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
10798 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
10799 Output to a .cc file for C++, not to a .c file.
10800 * tests/calc.at (AT_CHECK_CALC): Likewise.
10801 * tests/regression.at (AT_CHECK_DANCER): Likewise.
10802 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
10804 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
10806 * tests/calc.at, tests/actions.at: Workaround for SGI
10807 C++ compiler. (trivial change)
10809 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
10811 Spent a few hours checking out which prerequisite versions the
10812 current sources actually require. I went all the way back to
10813 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
10814 a seemingly endless set of combinations of versions more recent
10815 than that. The bottom line is that the current sources require
10816 fairly recent versions of the build tools, and it'll be some work
10818 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
10819 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
10820 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
10821 Add comments explaining why those particular versions are
10824 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
10825 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
10826 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
10828 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
10829 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
10831 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
10833 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
10834 0.11.5. Suggested by Bruno Haible.
10835 * bootstrap: Remove gettext version checking.
10837 * doc/bison.texinfo (Decl Summary): Also mention that %union
10838 can depend on prerequisite types. Problem reported by Tim
10841 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
10843 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
10844 * README-alpha: Don't tell people not to package this.
10846 * bootstrap: Don't assume $(...) works; use `...` instead.
10847 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
10850 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
10851 put into the -d output file, and mention what to do if YYSTYPE is
10852 defined as a macro.
10854 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
10856 Undo change made earlier today: it caused autopoint to not bring
10857 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
10860 * bootstrap: Check that gettext version matches what's in
10861 configure.ac. Warn users to ignore robots.txt ERROR 404.
10862 * bootstrap: Undo today's earlier change (logged below).
10863 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
10865 The gettext version checking is causing more trouble than it's
10866 curing; remove it. Problem reported by Paul Hilfinger.
10868 * bootstrap: Issue a warning that one can expect a message
10869 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
10870 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
10872 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
10874 Ensure that the C++ compiler used for testing actually works on a
10875 simple test program; if not, skip the C++-related tests. Problem
10876 reported by Vin Shelton in:
10877 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
10879 * m4/cxx.m4: New file.
10880 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
10881 * tests/atlocal.in (BISON_CXX_WORKS): Add.
10882 * tests/local.at (AT_COMPILE_CXX): Use it.
10884 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10886 * data/glr.c (yylloc): Output this macro even if locations are not
10887 being generated, as the GLR parser needs it even in that case.
10888 Problem reported by Troy A. Johnson
10889 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
10891 * configure.ac (AC_INIT): Update to 1.875e.
10893 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
10895 * NEWS: Version 1.875d.
10896 * configure.ac (AC_INIT): Likewise.
10897 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
10899 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
10900 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
10901 lalr1.cc runs afoul of the first, and the last two are no longer
10902 supported by GCC 3.4.0.
10903 * README: Mention GNU m4 1.4 or later; mention m4 patches.
10904 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
10906 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
10908 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
10909 unsigned int, for compatibility with latest gnulib hash module.
10910 * src/state.c (state_hash, state_hasher): Likewise.
10911 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
10912 * src/uniqstr.c (hash_uniqstr): Likewise.
10914 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
10916 * NEWS: Unescaped newlines are no longer allowed in char & strings.
10918 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
10919 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
10920 character and string literals.
10921 (unexpected_end): New function.
10922 (unexpected_eof): Use it.
10923 (unexpected_newline): New function.
10924 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
10927 * NEWS: Document %expect-rr.
10929 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
10930 Fix typo by replacing $1 with $option.
10931 Remove more 'intl'-related files.
10932 Don't DEFUN AM_INTL_SUBDIR twice.
10934 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
10935 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
10937 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
10938 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
10939 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
10940 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
10941 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
10942 * src/.cvsignore: Add *.output.
10944 * src/parse-gram.y: Put copyright notice inside %{ %} so it
10945 gets copied to the output file.
10947 2004-04-28 Paul Eggert <eggert@twinsun.com>
10949 Get files from the gnulib and po repositories, instead of relying
10950 on them being in our CVS. Upgrade to latest versions of gnulib
10953 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
10954 * bootstrap: Bootstrap from gnulib and po repositories.
10955 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
10956 * README-cvs: Document these changes. Remove version numbers from
10957 mentions of build tools, since they change so often. Mention Flex.
10959 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
10960 (gl_USE_SYSTEM_EXTENSIONS): Add.
10961 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
10962 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
10964 (AC_ISC_POSIX): Remove; we no longer support this
10965 ancient OS, as it gets in the way of latest Autoconf & gnulib.
10966 (AC_HEADER_STDC): Remove: we now assume C89 or better.
10967 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
10968 Do not check for C89 headers, except for locale.h which is used
10969 by the Yacc library and must port to K&R hosts.
10970 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
10971 Do not check for C89 functions, except for setlocale which is
10972 used by the Yacc library.
10973 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
10974 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
10975 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
10976 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
10977 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
10978 AM_GNU_GETTEXT): Remove; now done by:
10979 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
10980 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
10983 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
10984 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
10985 Define to empty, as gnulib.mk will do the rest for us.
10986 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
10988 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
10989 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
10991 * src/files.c: Include gnulib's xstrndup.h.
10993 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
10994 (REALLOC): Use xnrealloc, for likewise.
10995 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
10996 (strnlen, memrchr): Remove decls; functions no longer used.
10997 Include <stpcpy.h>.
10999 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
11000 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
11001 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
11002 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
11003 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
11004 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
11005 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
11006 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
11007 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
11008 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
11009 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
11010 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
11011 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
11012 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
11013 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
11014 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
11015 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
11016 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
11017 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
11018 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
11019 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
11020 Remove, as these files are now generated automatically
11021 by bootstrap or automake.
11023 * po/ChangeLog: Remove: all but one entry was a duplicate
11024 of this file, and I moved that 2000-11-02 entry here.
11026 * config/.cvsignore: Add Makefile, depcomp, install-sh.
11027 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
11028 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
11029 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
11030 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
11031 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
11032 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
11033 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
11034 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
11035 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
11036 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
11038 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
11039 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
11040 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
11041 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
11042 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
11043 * src/.cvsignore: Remove *_.c.
11046 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
11047 support it. (The latest stable gzip doesn't.)
11049 2004-04-27 Paul Eggert <eggert@twinsun.com>
11051 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
11052 case, as stos_ is now used by destructors due to the 2004-02-09
11055 Remove more K&R C support.
11056 * lib/libiberty.y (PARAMS): Remove. All uses removed.
11057 * lib/subpipe.c (errno): Remove decl.
11058 Include <stdlib.h> unconditionally.
11059 (EXIT_FAILURE): Remove macro.
11060 * src/complain.c (vfprintf, strerror): Remove.
11061 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
11063 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
11064 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
11065 (strchr, strspn, memchr): Remove decls.
11066 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
11067 unconditionally. Do not declare perror.
11068 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
11071 * src/complain.c (_): Remove useless defn, as system.h defines this.
11073 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
11074 with latest obstack.h.
11075 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
11076 to procedure types, as obstack.h now does that for us.
11077 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
11079 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
11080 so that this include file can stand alone.
11081 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
11082 does this now. Include subpipe.h first after config.h, to
11083 test whether it can stand alone.
11085 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
11086 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
11087 unused declaration.
11089 * tests/synclines.at (%union synch line): Put a dummy member in
11090 the union, because empty unions aren't allowed in C. Caught
11093 2004-04-13 Jim Meyering <jim@meyering.net>
11095 * src/conflicts.c (conflicts_print): Correct format string typo:
11096 use `%%' to produce literal `%'. (trivial change)
11098 2004-03-30 Paul Eggert <eggert@twinsun.com>
11100 * src/getargs.c (version): Update copyright year to 2004.
11102 * data/c.m4 (b4_int_type): Use 'short int' rather than
11103 'short', and similarly for 'long', 'unsigned', etc.
11104 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
11105 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
11106 yy_yypstack, yydumpstack): Likewise.
11107 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
11108 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
11110 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
11111 yy_stack_print, yyparse): Likewise.
11112 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
11113 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
11114 * lib/bitset.c (bitset_print): Likewise.
11115 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
11116 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
11117 * lib/bitsetv.c (bitsetv_dump): Likewise.
11118 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
11119 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
11121 * src/LR0.c (allocate_itemsets): Likewise.
11122 * src/gram.h (rule_number, rule): Likewise.
11123 * src/lalr.h (goto_number): Likewise.
11124 * src/nullable.c (nullable_compute): Likewise.
11125 * src/output.c (prepare_rules): Likewise.
11126 * src/relation.c (relation_print, relation_digraph): Likewise.
11127 * src/relation.h (relation_node): Likewise.
11128 * src/state.h (state_number, transitions, errs, reductions,
11129 struct state): Likewise.
11130 * src/symtab.h (symbol_number, struct symbol): Likewise.
11131 * src/tables.c (vector_number, tally, action_number,
11132 default_goto, goto_actions): Likewise.
11133 * tests/existing.at (GNU Cim Grammar): Likewise.
11134 * tests/regression.at (Web2c Actions): Likewise.
11136 * src/output.c (muscle_insert_short_int_table): Renamed from
11137 muscle_insert_short_table. All uses changed.
11139 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
11141 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
11142 (declaration): Replace expected_conflicts with expected_sr_conflicts.
11143 Add %expect-rr rule.
11145 * src/scan-gram.l: Recognize %expect-rr.
11147 * src/conflicts.h (expected_sr_conflicts): Rename from
11148 expected_conflicts.
11149 (expected_rr_conflicts): Declare.
11151 * src/conflicts.c (expected_sr_conflicts): Rename from
11152 expected_conflicts.
11153 (expected_rr_conflicts): Define.
11154 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
11156 Use expected_sr_conflicts in place of expected_conflicts.
11157 Warn if expected_rr_conflicts used in non-GLR parser.
11159 * doc/bison.texinfo: Add documentation for %expect-rr.
11161 2004-03-08 Paul Eggert <eggert@gnu.org>
11163 Add support for hex token numbers. Suggested by Odd Arild Olsen in
11164 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
11166 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
11168 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
11169 * src/scan-gram.l (scan_integer): New function.
11171 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
11172 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
11173 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
11174 Say "long int", not "long", for uniformity with GNU style.
11176 2004-02-25 Paul Eggert <eggert@twinsun.com>
11178 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
11179 compilers. This fixes a problem with Intel's C++ compiler being
11180 chatty, reported by Guido Trentalancia in
11181 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
11183 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
11185 Support %destructor and merge error locations in lalr1.cc.
11187 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
11188 (Parser::stos_): Define unconditionally.
11189 (Parser::destruct_): New method. Generate its body with
11190 b4_yydestruct_generate.
11191 (Parser::error_start_): New attribute.
11192 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
11193 token which are discarded.
11194 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
11195 error_start_ when erroneous token are discarded.
11196 (Parser::parse) <yyerrlab1>: Compute the location of the error
11197 token so that it covers all the discarded tokens.
11198 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
11199 it can be called with `%skeleton "lalr1.cc"', and do that.
11201 2004-02-02 Paul Eggert <eggert@twinsun.com>
11203 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
11204 $(top_srcdir)/lib and ../lib. This fixes a bug reported
11205 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
11206 There's no need to mention top_builddir since Automake does that
11208 (INCLUDES): Remove, as Automake says it's obsolescent.
11209 Contents migrated into AM_CPPFLAGS as described above.
11210 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
11212 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
11214 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
11215 (yyreportSyntaxError): Handle case where lookahead token is
11218 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11220 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
11221 resulting parsers are compilable with C++.
11223 2003-12-23 Paul Eggert <eggert@twinsun.com>
11225 * config/depcomp, config/install-sh: Sync with Automake 1.8.
11226 * src/output.c (output_skeleton): Rename local var.
11227 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
11228 Bison tokens, as this runs afoul of the 2003-10-07 change that
11229 disallowed NUL bytes in character constants or string literals.
11231 * tests/local.at: Require Autoconf 2.59's Autotest.
11232 * tests/testsuite.at: Don't include local.at, since we now assume
11233 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
11235 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
11236 multiple inclusion warnings.
11238 2003-12-02 Akim Demaille <akim@epita.fr>
11240 * doc/bison.texinfo (How Can I Reset the Parser): More about start
11244 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
11246 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
11248 2003-10-07 Paul Eggert <eggert@twinsun.com>
11250 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
11251 if testsuite doesn't exist.
11253 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
11254 literals, unfortunately.
11255 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
11256 Complain about NUL bytes in character constants or string literals.
11258 2003-10-05 Paul Eggert <eggert@twinsun.com>
11260 * NEWS: Don't document %no-default-prec, as it's still
11262 * doc/bison.texinfo: Document %no-default-prec only if
11263 the defaultprec flag is set. Normally it's not.
11265 2003-10-04 Paul Eggert <eggert@twinsun.com>
11267 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
11268 non-modifiable lvalue, instead of a modifiable one.
11269 * doc/bison.texinfo (Actions): Document that $$ can
11270 be assigned to. Do not claim that $$ and $N are
11271 array element references: user code should not rely on this.
11273 2003-10-01 Paul Eggert <eggert@twinsun.com>
11275 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
11276 (grammar_declaration): Use it.
11277 * src/scan-gram.l: New token %no-default-prec.
11278 * tests/conflicts.at: Revamp tests to use %no-default-prec.
11279 * NEWS, doc/bison.texinfo: Document the above.
11281 2003-10-01 Akim Demaille <akim@epita.fr>
11283 VCG no longer supports long_straight_phase.
11285 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
11286 * src/print_graph.c (print_graph): Adjust.
11288 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
11289 and Paul Eggert <eggert@twinsun.com>
11291 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
11292 Table of Symbols): Document %default-prec.
11293 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
11294 (grammar_declaration): Set default_prec on %default-prec.
11295 * src/scan-gram.l (%default-prec): New token.
11296 * src/reader.h (default_prec): New flag.
11297 * src/reader.c: Likewise.
11298 (packgram): Handle it.
11299 * tests/conflicts.at (%default-prec without %prec,
11300 %default-prec with %prec, %default-prec 1): New tests.
11302 2003-09-30 Paul Eggert <eggert@twinsun.com>
11304 * tests/testsuite.at: Include local.at, not input.at, fixing
11305 a typo in the 2003-08-25 patch.
11307 2003-08-27 Akim Demaille <akim@epita.fr>
11309 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
11312 2003-08-26 Akim Demaille <akim@epita.fr>
11314 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
11315 "<\#" to avoid magic from Gnus when posting parts of this script.
11317 2003-08-26 Akim Demaille <akim@epita.fr>
11319 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
11320 (Parser::parse): here.
11321 Adjust: nerrs and errstatus is now replaced by...
11322 (Parser::nerrs_, Parser::errstatus_): New.
11324 2003-08-25 Akim Demaille <akim@epita.fr>
11326 * config/announce-gen, Makefile.cfg: New.
11327 * Makefile.am: Adjust.
11328 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
11329 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
11331 2003-08-25 Akim Demaille <akim@epita.fr>
11333 When reducing initial empty rules, Bison parser read an initial
11334 location that is not defined. This results in garbage, and that
11335 affects Bison's own parser. Therefore we need (i) to extend Bison
11336 to support a means to initialize this location, and (ii) to use
11337 this CVS Bison to fix CVS Bison's parser.
11339 * src/reader.h, reader.c (epilogue_augment): Remove, replace
11341 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
11342 * src/parse-gram.y: Adjust.
11343 (%initial-action): New.
11344 (%error-verbose): Since we require CVS Bison, there is no reason
11346 * src/scan-gram.l: Adjust.
11347 * src/Makefile.am (YACC): New, to make sure we use our own parser.
11348 * data/yacc.c (yyparse): Use b4_initial_action.
11350 2003-08-25 Akim Demaille <akim@epita.fr>
11352 * doc/bison.texinfo: Don't promote stdout for error messages.
11354 2003-08-25 Akim Demaille <akim@epita.fr>
11356 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
11357 From Alexandre Duret-Lutz.
11359 2003-08-25 Akim Demaille <akim@epita.fr>
11363 2003-08-25 Akim Demaille <akim@epita.fr>
11365 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
11368 2003-08-25 Akim Demaille <akim@epita.fr>
11370 * data/lalr1.cc (Parser::reduce_print_): New.
11373 2003-08-25 Akim Demaille <akim@epita.fr>
11375 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
11376 error recovery loops. This patch is based on
11377 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
11378 Also, augment the similarity between lalr1.cc and yacc.c.
11379 Note: the locations of error recovery rules are not correct yet.
11381 * data/lalr1.cc: Comment changes to augment the similarity between
11382 lalr1.cc and yacc.c.
11383 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
11384 (yyerrlab1): Remove, but where it used to be (now the bottom part of
11385 yyerrlab), when hitting EOF, pop the whole stack here instead of
11386 merely falling thru the default error handling mechanism.
11387 (yyerrorlab): New label, with the old contents of YYERROR,
11388 plus the following change: pop the stack of rhs corresponding
11389 to the production that invoked YYERROR. That is how Yacc
11390 behaves (required by POSIX).
11391 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
11394 2003-08-25 Akim Demaille <akim@epita.fr>
11396 Tune local.at so that people can "autom4te -l autotest calc.at -o
11397 calc" for instance, to extract a sub test suite.
11399 * tests/testsuite.at: Move the initialization, Autotest version
11400 requirement, and AT_TESTED invocation into...
11401 * tests/local.at: here.
11402 * tests/testsuite.at: Include it for compatibility with Autoconf
11404 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
11407 2003-08-04 Paul Eggert <eggert@twinsun.com>
11409 Rework code slightly to avoid gcc -Wtraditional warnings.
11410 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
11411 The returned value is now stored in *YY0. All callers changed.
11412 * src/output.c (merge_output): Adjust to the above change.
11414 2003-07-26 Paul Eggert <eggert@twinsun.com>
11416 * data/glr.c (YYASSERT): New macro.
11417 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
11418 yyresolveStates, yyprocessOneStack):
11419 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
11420 Derived from a suggestion by Frank Heckenbach.
11422 2003-07-25 Paul Eggert <eggert@twinsun.com>
11424 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
11425 for portability to K&R C (after ansi2knr, presumably). See
11426 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
11427 by Frank Heckenbach, though I have omitted the structure-initialization
11428 part of his glr-knr.diff patch since I recall that the Portable
11429 C Compiler didn't require that change.
11431 Let the user specify how to allocate and free memory.
11432 Derived from a suggestion by Frank Heckenbach in
11433 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
11434 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
11435 All uses of free, malloc, realloc changed to use these macros,
11436 and unnecessary casts removed.
11437 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
11439 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
11441 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
11442 use s.empty() rather than s == "" to test for empty string; see
11443 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
11446 2003-06-25 Akim Demaille <akim@epita.fr>
11448 * config/depcomp, config/install-sh: Update from masters.
11450 2003-06-20 Paul Eggert <eggert@twinsun.com>
11452 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
11453 and return properly parenthesized result.
11454 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
11455 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
11456 Remove unnecessary parentheses from uses.
11457 * doc/bison.texinfo (Location Default Action): Describe the
11458 conventions for parentheses.
11460 2003-06-19 Paul Eggert <eggert@twinsun.com>
11462 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
11463 yyreportTree): Do not assume that size_t is the same width as int,
11464 when printing sizes. Print sizes using an unsigned format.
11465 Problem reported by Frank Heckenbach in
11466 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
11468 Port to Forte Developer 7 C compiler.
11469 * data/glr.c (struct YYLTYPE): If locations are not being used,
11470 declare a single dummy member, as empty structs do not conform
11472 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
11473 the Forte Developer 7 C compiler complains that end-of-loop
11474 code is not reached.
11476 2003-06-17 Paul Eggert <eggert@twinsun.com>
11478 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
11479 avoid warnings from picky compilers about redefinition of PARAMS.
11481 2003-06-17 Paul Eggert <eggert@twinsun.com>
11485 * NEWS: Document 1.875b.
11487 * lib/bbitset.h: Do not include config.h; that's the includer's job.
11488 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
11489 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
11490 Don't use 'index' in comments, as it's a builtin fn on some hosts.
11491 * lib/bitset_stats.c: Include gettext.h unconditionally, as
11492 per recent gettext manual's suggestion.
11493 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
11494 Use prototypes, not old-style definitions.
11495 * lib/lbitset.c (lbitset_unused_clear): Likewise.
11496 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
11497 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
11498 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
11499 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
11500 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
11501 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
11502 vbitset_or_and_cmp, vbitset_copy): Likewise.
11504 * lib/libiberty.h: Do not include config.h; that's the includer's job.
11505 Do not include <stdlib.h>.
11506 (PARAMS): Define unconditionally for C89.
11507 (ATTRIBUTE_NORETURN): Remove.
11508 (ATTRIBUTE_UNUSED): Define unconditionally.
11510 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
11511 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
11512 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
11513 * lib/vbitset.c, lib/vbitset.h: New files.
11514 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
11515 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
11518 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
11519 `How Can I Reset @code{yyparse}', since texinfo does not allow
11520 arbitrary @ in node names.
11522 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
11523 shouldn't be needed according to the gettext 0.12.1 documentation
11524 but which seem to be needed anyway: codeset.m4 glibc21.m4
11525 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
11526 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
11527 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
11529 * lib/.cvsignore: Add stdbool.h.
11530 * m4/.cvsignore: Add nls.m4, po.m4.
11532 Upgrade to CVS gnulib.
11533 * stdbool_.h: File renamed from stdbool.h.in.
11534 * configure.ac (AM_STDBOOL_H): Invoke this instead of
11536 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
11537 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
11538 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
11539 (MOSTLYCLEANFILES): New var.
11540 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
11541 (stdbool.h): New rule.
11542 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
11543 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
11544 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
11545 m4/quote.m4: Upgrade to today's gnulib.
11547 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
11548 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
11549 the tests right now.
11550 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
11551 yyerror are declared before use; C99 requires this.
11553 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11555 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
11557 (yyrecoverSyntaxError): Correct the logic for setting and testing
11559 Correct comment on handling EOF.
11560 Allow states with only a default reduction, rather than failing
11561 (I can't quite reconstruct why these were not allowed before).
11563 Fixes to avoid problem that $-N rules in GLR parsers can cause
11564 buffer overruns, corrupting state.
11566 * src/output.c (prepare_rules): Output max_left_semantic_context
11568 * src/reader.h (max_left_semantic_context): New variable declaration.
11569 * src/scan-gram.l (max_left_semantic_context): Define.
11570 (handle_action_dollar): Update max_left_semantic_context.
11571 * data/glr.c (YYMAXLEFT): New definition.
11572 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
11573 (yyresolveAction): Ditto.
11575 Fixes to problems with location handling in GLR parsers reported by
11576 Frank Heckenbach (2003/06/05).
11578 * data/glr.c (YYLTYPE): Make trivial if locations not used.
11579 (YYRHSLOC): Add parentheses, and define only if locations used.
11580 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
11581 locations not used.
11582 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
11583 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
11585 * tests/cxx-type.at: Exercise location information; update tests
11586 to differentiate output with and without locations.
11587 Remove forward declarations of yylex and yyerror---caused errors
11588 because default YYLTYPE not yet defined.
11589 Change semantic actions to compute strings, rather than printing
11590 them directly (to test proper passing of semantics values). Change
11591 output to prefix notation and update test data and expected results.
11592 (yylex): Track locations.
11593 (stmtMerge): Return value rather than printing, and include arguments
11596 2003-06-03 Paul Eggert <eggert@twinsun.com>
11598 Avoid warnings generated by GCC 2.95.4 when Bison is
11599 configured with --enable-gcc-warnings.
11600 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
11601 yy::]b4_parser_class_name[::translate_,
11602 yy::Stack::operator[] (unsigned),
11603 yy::Stack::operator[] (unsigned) const,
11604 yy::Slice::operator[] (unsigned),
11605 yy::Slice::operator[] (unsigned) const):
11606 Rename local vars to avoid warnings.
11607 * tests/glr-regression.at (Improper handling of embedded actions
11608 and $-N in GLR parsers): Remove unused local variable from yylex.
11609 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
11610 (void) as arg when not pure, since we now assume C89 when building
11611 Bison. Pacify GCC by using parameter.
11613 2003-06-02 Paul Eggert <eggert@twinsun.com>
11615 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
11616 yy::Location::lines, yy::Location::columns): Rename arguments
11617 to avoid shadowing; this removes a warning generated by GCC 3.3.
11619 2003-06-01 Paul Eggert <eggert@twinsun.com>
11621 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
11622 to g++, as GCC 3.3 complains if you do it.
11623 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
11624 everything that WARNING_CFLAGS has, except omit warnings
11625 not suitable for C++.
11626 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
11627 * tests/atlocal.in (CXXFLAGS): New var.
11628 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
11630 Fix a GLR parser bug I reported in February; see
11631 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
11632 The problem was that GLR parsers did not conform to the C standard,
11633 because actions like { $1 = $2 + $3; } expanded to expressions
11634 that invoked YYFILL in separate subexpressions, and YYFILL assigned
11635 to a local variable. The C standard says that expressions
11636 like (var = f ()) + (var = f ()) have undefined behavior.
11637 Another problem was that GCC sometimes issues warnings that
11638 yyfill and its parameters are unused.
11640 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
11641 as possibly unused.
11642 (yyfill): New function.
11644 (yyuserAction): Change type of yynormal to bool, so that it matches
11645 the new yyfill signature. Mark it as possibly unused.
11648 Follow up on a bug I reported in February, where a Bison-generated
11649 parser can loop. Provide a test case and a fix for yacc.c. I
11650 don't have a fix for lalr1.cc or for glr.c, unfortunately.
11651 The original bug report is in:
11652 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
11654 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
11655 macro's size was becoming unwieldy.
11656 (yyerrlab): Do not discard an empty lookahead symbol, as this
11657 might destroy garbage.
11658 (yyerrorlab): New label, with the old contents of YYERROR,
11659 plus the following change: pop the stack of rhs corresponding
11660 to the production that invoked YYERROR. That is how Yacc
11661 behaves, and POSIX requires this behavior.
11662 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
11663 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
11664 Define 'alarm' to do nothing if unistd.h is not available.
11665 Add a new rule "exp: '-' error;" to test the above change to
11666 data/yacc.c. Use 'alarm' to abort any test taking longer than
11667 10 seconds, as it's probably looping.
11668 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
11669 Also, the new yacc.c generates two fewer diagnostics for an
11672 2003-05-24 Paul Eggert <eggert@twinsun.com>
11674 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
11675 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
11676 This fixes a problem reported by John Bowman when the Compaq/HP
11677 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
11678 -ansi -Wall -gall).
11679 * data/yacc.c (union yyalloc): Likewise.
11680 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
11682 Switch from 'int' to 'bool' where that makes sense.
11684 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
11685 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
11686 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
11687 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
11688 Return or accept bool, not int. All callers changed.
11689 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
11690 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
11691 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
11692 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
11693 bitset_or_and_cmp_): Likewise.
11694 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
11695 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
11696 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
11697 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
11698 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
11699 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
11700 bitset_stats_or_and_cmp): Likewise.
11701 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
11702 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
11703 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
11704 ebitset_xor_cmp): Likewise.
11705 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
11706 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
11707 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
11708 lbitset_xor_cmp): Likewise.
11709 * lib/bbitset.h: Include <stdbool.h>.
11710 (struct bitset_vtable): The following members now return bool, not
11711 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
11712 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
11714 * src/conflicts.c (count_rr_conflicts): Likewise.
11715 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
11717 * lib/ebitset.c (ebitset_obstack_init): Likewise.
11718 * lib/lbitset.c (lbitset_obstack_init): Likewise.
11719 * src/getargs.c (debug_flag, defines_flag, locations_flag,
11720 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11721 graph_flag): Likewise.
11722 * src/getargs.h (debug_flag, defines_flag, locations_flag,
11723 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
11724 graph_flag): Likewise.
11725 * src/output.c (error_verbose): Likewise.
11726 * src/output.h (error_verbose): Likewise.
11727 * src/reader.c (start_flag, typed): Likewise.
11728 * src/reader.h (typed): Likewise.
11729 * src/getargs.c (LOCATIONS_OPTION): New constant.
11730 (long_options, getargs): Use it.
11731 * src/lalr.c (build_relations): Use bool, not int.
11732 * src/nullable.c (nullable_compute): Likewise.
11733 * src/print.c (print_reductions): Likewise.
11734 * src/tables.c (action_row, pack_vector): Likewise.
11735 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
11736 * src/output.c (prepare): Use it.
11737 * src/output.c (token_definitions_output,
11738 symbol_destructors_output, symbol_destructors_output): Use string,
11739 not boolean integer, to keep track of whether to output separator.
11740 * src/print_graph.c (print_core): Likewise.
11741 * src/state.c (state_rule_lookaheads_print): Likewise.
11743 * config/install-sh: Sync from automake 1.7.5.
11745 2003-05-14 Paul Eggert <eggert@twinsun.com>
11747 * src/parse-gram.y (rules_or_grammar_declaration): Require a
11748 semicolon after a grammar declaration, in the interest of possible
11749 future changes to the Bison input language.
11750 Do not allow a stray semicolon at the start of the grammar.
11751 (rhses.1): Allow one or more semicolons after any rule, including
11752 just before "|" as required by POSIX.
11753 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
11756 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
11758 %parse-param support for lalr1.cc.
11760 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
11761 b4_cc_constructor_calls, b4_cc_constructor_call,
11762 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
11764 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
11765 parse-param arguments.
11766 (yy::b4_parser_class_name): Declare instance variables to
11767 hold parse-param arguments.
11768 * tests/calc.at: s/value/semantic_value/ because value clashes
11769 with a member of yy::b4_parser_class_name. Adjust C++ code
11770 to handle %parse-param. Enable %parse-param test in C++.
11772 2003-05-12 Paul Eggert <eggert@twinsun.com>
11774 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
11775 English a bit. Fix fclose typo. Change "const char" to "char
11776 const", and use ANSI C rather than K&R for "main". Suggest
11777 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
11778 and suggest yy_switch_to_buffer.
11780 2003-05-05 Paul Eggert <eggert@twinsun.com>
11782 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
11783 C89. This avoids a diagnostic on compilers that define __STDC__
11784 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
11785 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11787 2003-05-03 Paul Eggert <eggert@twinsun.com>
11789 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
11790 Do not overrun array bounds.
11791 This should fix a bug reported today by Olatunji Oluwabukunmi in
11792 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
11794 2003-04-29 Akim Demaille <akim@epita.fr>
11796 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
11797 * src/getargs.c, src/getargs.h: here, as bool, not int.
11798 (nondeterministic_parser): New.
11799 * src/parse-gram.y, src/scan-gram.l: Support
11800 %nondeterministic-parser.
11801 * src/output.c (prepare): Use nondeterministic_parser instead
11802 of glr_parser where appropriate.
11803 * src/tables.c (conflict_row, action_row, save_row)
11804 (token_actions, token_actions, pack_vector): Ditto.
11806 2003-04-29 Akim Demaille <akim@epita.fr>
11808 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
11810 2003-04-29 Akim Demaille <akim@epita.fr>
11812 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
11813 with %pure-parser and %locations to exercise the patch from Yakov
11816 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
11818 * data/yacc.c: (b4_lex_param): Corrected for the case where
11819 %lex-param is provided and %pure-parser isn't.
11821 2003-04-27 Paul Eggert <eggert@twinsun.com>
11823 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
11824 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
11825 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
11826 if it is not defined.
11827 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
11829 2003-04-26 Paul Eggert <eggert@twinsun.com>
11831 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
11832 Declare to be of type suitable for the ninf value itself, not of
11833 type suitable for the corresponding table, since the latter might
11834 be unsigned but the ninf value might be negative. This fixes a
11835 bug reported by Alexandre Duret-Lutz in
11836 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
11838 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
11839 invokes it. We shouldn't invoke it twice because it will attempt
11840 to put error.o in the archive twice. This fixes a glitch reported
11841 by Martin Mokrejs in
11842 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
11844 2003-04-21 Paul Eggert <eggert@twinsun.com>
11846 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
11849 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
11851 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
11852 Fix obvious typo that results in uncompilable GLR parsers
11853 when both %pure-parser and %locations are used. (trivial change)
11855 2003-04-17 Paul Eggert <eggert@twinsun.com>
11857 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
11858 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
11859 Do not insert the expected token via unput, as this runs afoul
11860 of a POSIX-compatibility bug in flex 2.5.31.
11861 All uses changed to BEGIN the parent state,
11862 since we no longer insert the expected token via unput.
11863 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
11864 that is no longer emitted after the above change.
11866 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
11867 the first one. This change is from Paul Hilfinger, and it fixes
11868 regression reported by Werner Lemberg in
11869 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
11871 (resolve_sr_conflict): Don't invoke state_errs_set
11872 unless one or more tokens have been explicitly made errors.
11873 Otherwise, the above change causes Bison to abort.
11875 * tests/existing.at (GNU pic Grammar): New test case, taken from
11878 2003-03-31 Akim Demaille <akim@epita.fr>
11880 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
11882 2003-03-31 Akim Demaille <akim@epita.fr>
11884 * src/output.c (prepare_symbols): Avoid trailing spaces in the
11887 2003-03-31 Akim Demaille <akim@epita.fr>
11889 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
11890 From Paul Hilfinger.
11892 2003-03-29 Akim Demaille <akim@epita.fr>
11894 * m4/error.m4: Do not put under dynamic conditions some code which
11895 expansion is under static control.
11897 2003-03-29 Akim Demaille <akim@epita.fr>
11899 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
11901 2003-03-29 Akim Demaille <akim@epita.fr>
11903 * doc/bison.texinfo (Strings are Destroyed): New.
11905 2003-03-13 Paul Eggert <eggert@twinsun.com>
11907 * .cvsignore: Add configure.lineno.
11908 * src/.cvsignore: Add yacc.
11909 * tests/.cvsignore: Add testsuite.log.
11910 * doc/fdl.texi: Sync with latest FSF version.
11912 2003-03-12 Paul Eggert <eggert@twinsun.com>
11914 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
11915 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
11916 cursor, instead of leaving it undefined. This fixes a bug
11917 reported by Tim Van Holder in
11918 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
11919 * tests/input.at (Torturing the Scanner): Test the scanner on
11920 an empty input file, which was Tim Van Holder's test case.
11922 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
11923 <sys/resource.h> can be included, include sys/time.h and
11924 sys/times.h first, if available. This works around the SunOS
11925 4.1.4 porting bug reported by Bruce Becker in
11926 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
11928 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
11929 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
11930 AC_HEADER_SYS_WAIT.
11932 Merge changes from gnulib. This was prompted because the CVS
11933 snapshot didn't build on Solaris 7 due to strnlen problems.
11935 These changes need to be merged back into gnulib:
11936 * lib/hash.c: Include <stdbool.h> unconditionally.
11937 * m4/onceonly.m4 (m4_quote): New macro.
11938 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
11939 Quote AC_FOREACH variable-expansions properly.
11940 The 2003-01-03 obstack.h change also needs merging.
11941 {end of changes requiring merging}
11943 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
11944 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
11945 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
11946 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
11947 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
11948 New files, imported from gnulib.
11949 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
11952 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
11953 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
11956 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
11958 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
11959 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
11960 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
11961 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
11962 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
11963 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
11964 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
11965 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
11966 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
11967 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
11968 (jm_PREREQ_ARGMATCH): Remove.
11969 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
11970 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
11972 * src/system.h: Include <stdbool.h> unconditionally.
11974 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
11975 assuming at least C89 in the bitset code for some time now.
11977 2003-03-03 Akim Demaille <akim@epita.fr>
11981 2003-03-02 Akim Demaille <akim@epita.fr>
11983 * doc/bison.texinfo (Table of Symbols): Reactivate the
11984 documentation for %lex-param, and %parse-param.
11986 2003-03-02 Akim Demaille <akim@epita.fr>
11988 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
11989 generate verbose error messages.
11990 Use the number of tokens as an upper bound in yytname, as it
11991 cannot be a non terminal.
11993 2003-03-02 Akim Demaille <akim@epita.fr>
11995 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
11998 2003-03-02 Akim Demaille <akim@epita.fr>
12000 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
12001 Use them to exercise yycheck overrun.
12002 Based on Andrew Suffield's grammar.
12004 2003-03-02 Akim Demaille <akim@epita.fr>
12006 Create tests/local.at for Bison generic testing macros.
12008 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
12009 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
12011 * tests/calc.at (AT_CHECK_CALC): Adjust.
12012 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
12013 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
12014 * tests/local.at: here.
12015 (AT_COMPILE_CXX): Tags the tests using it as c++.
12016 Ignore the test if CXX is not functional.
12018 2003-03-01 Paul Eggert <eggert@twinsun.com>
12020 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
12021 not loc->end, since loc->end might contain garbage and this leads
12022 to undefined behavior on some platforms.
12023 (id_loc, token_start): Use (IF_LINTed) initial values that do not
12024 depend on *loc, so that the reader doesn't give the the false
12025 impression that *loc is initialized.
12026 (<INITIAL>"%%"): Do not bother setting code_start, since its value
12027 does not survive the return.
12029 2003-03-01 Akim Demaille <akim@epita.fr>
12031 * src/scan-gram.l (code_start): Always initialize it when entering
12032 into yylex, as SC_EPILOGUE is activated *before* the corresponding
12033 yylex invocation. An alternative would be making it static, but
12034 then it starts with the second %%'s beginning, instead of its end.
12036 2003-02-28 Paul Eggert <eggert@twinsun.com>
12038 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
12039 around a UnixWare 7.1.1 porting bug reported by John Hughes in
12040 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
12042 2003-02-26 Paul Eggert <eggert@twinsun.com>
12044 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
12045 Remove Sequent/Pyramid discussion (nobody uses them any more).
12046 Merge VMS and MS-DOS discussion; these ports may well be dead
12047 but let's keep mentioning them for now. Put <> around email
12048 addresses. Add copyright notice.
12050 2003-02-24 Paul Eggert <eggert@twinsun.com>
12052 * data/glr.c (yy_reduce_print): yylineno -> yylno,
12053 to avoid collision with flex use of yylineno.
12054 Problem reported by Bruce Lilly in
12055 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
12056 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
12057 * data/yacc.c (yy_reduce_print): Likewise.
12059 * config/depcomp: Sync with Automake 1.7.3.
12061 2003-02-21 Akim Demaille <akim@epita.fr>
12063 * data/lalr1.cc: Use temporary variables instead of casts to
12064 change integer types.
12065 Suggested by Paul Eggert.
12067 2003-02-21 Akim Demaille <akim@epita.fr>
12069 * doc/bison.texinfo: Use "location" consistently to refer to @n,
12070 to avoid confusions with lalr1.cc's notion of Position.
12071 Suggested by Paul Eggert.
12073 2003-02-20 Akim Demaille <akim@epita.fr>
12075 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
12076 before initial_columns.
12077 (location.hh): Use consistent variable names when defining the
12079 Use "last" so that we subtract from Positions, not from unsigned.
12081 2003-02-20 Akim Demaille <akim@epita.fr>
12083 * data/lalr1.cc (position.hh): New subfile, including the extended
12084 and Doxygen'ed documentation of class Position.
12085 (location.hh): Use it.
12086 Document a` la Doxygen.
12087 With the help of Benoit Perrot.
12089 2003-02-20 Akim Demaille <akim@epita.fr>
12091 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
12093 Redefine AT_YYERROR_SEES_LOC_IF using it.
12094 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
12096 Don't use the location in yy::Parser::error_ and
12097 yy::Parser::print_ when not %locations.
12098 Activate more lalr1.cc tests.
12100 2003-02-19 Akim Demaille <akim@epita.fr>
12102 * data/lalr1.cc: When displaying a line number, be sure to make it
12105 2003-02-19 Akim Demaille <akim@epita.fr>
12107 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
12109 (YYABORT, YYACCEPT, YYERROR): New.
12110 * tests/calc.at: Renable the lalr1.cc test.
12112 2003-02-19 Akim Demaille <akim@epita.fr>
12114 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
12115 error recovery, mixing with/without pops and discarding of the
12118 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
12120 2003-02-17 Paul Eggert <eggert@twinsun.com>
12122 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
12123 * tests/testsuite.at (AT_COMPILE): Use them.
12124 This fixes the testsuite problem reported by Robert Lentz in
12125 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
12127 2003-02-12 Paul Eggert <eggert@twinsun.com>
12129 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
12130 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
12131 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
12132 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
12133 Check for malloc failure, for consistency with yacc.c.
12134 (yytname_size): Remove, for consistency with yacc.c.
12136 The bug still remains in data/lalr1.cc, as I didn't have time
12139 2003-02-06 Akim Demaille <akim@epita.fr>
12141 * configure.ac (GXX): Rename as...
12142 (CXX): this, to keep the original Autoconf semantics.
12144 * data/lalr1.cc: Fix b4_copyright invocations.
12145 If YYDEBUG is not defined, don't depend upon name_ being defined.
12146 (location.hh): Include string and iostream.
12147 (Position::filename): New member.
12148 (Position::Position ()): New.
12149 (operator<< (Position)): New.
12150 (operator- (Position, int)): New.
12151 (Location::first, Location::last): Rename as...
12152 (Location::begin, Location::end): these, to mock the conventional
12154 (operator<< (Location)): New.
12155 * tests/atlocal.in (CXX): New.
12156 * tests/testsuite.at (AT_COMPILE_CXX): New.
12157 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
12158 locations in a more synthetic way.
12159 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
12161 Adjust the C locations to match those from Emacs: first column is
12163 Change all the expected results.
12164 Conform to the GCS: simplify the locations when applicable.
12165 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
12166 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
12167 these CPP macros with the m4 macros new defined by...
12168 (AT_CHECK_PUSHDEFS): this, i.e.:
12169 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
12170 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
12172 (AT_CHECK_POPDEFS): Undefine them.
12173 (AT_CHECK_CALC_LALR1_CC): New.
12174 Use it for the first lalr1.cc test.
12176 2003-02-04 Akim Demaille <akim@epita.fr>
12178 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
12179 Location as is defined.
12181 2003-02-04 Akim Demaille <akim@epita.fr>
12183 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
12184 name_ being defined.
12186 2003-02-03 Paul Eggert <eggert@twinsun.com>
12188 * src/gram.h (start_symbol): Remove unused decl.
12190 Use more-consistent naming conventions for local vars.
12192 * src/derives.c (derives_compute): Change type of local var from
12193 int to rule_number.
12194 * src/gram.c (grammar_rules_partial_print): Likewise.
12195 * src/print.c (print_core): Likewise.
12196 * src/reduce.c (reduce_grammar_tables): Likewise.
12198 * src/gram.c (grammar_dump): Change name of item_number *
12199 local var from r to rp.
12200 * src/nullable.c (nullable_compute): Likewise.
12202 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
12204 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
12205 for symbol or symbol_number var.
12206 * src/reader.c (grammar_start_symbol_set): Likewise.
12207 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
12209 * src/state.c (transitions_to): Likewise.
12210 * src/state.h: Likewise.
12211 * src/tables.c (symbol_number_to_vector_number): Likewise.
12213 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
12216 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
12219 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
12222 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
12223 Use str, not s, for char * var. Use ch, not c, for character var.
12224 Use size for size var.
12226 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
12228 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
12230 * src/uniqstr.h: Likewise.
12232 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
12233 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
12234 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
12235 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
12236 param to have same name as that of enum, so that we don't use
12237 "s" to stand for a non-state.
12239 2003-02-02 Akim Demaille <akim@epita.fr>
12241 * src/scan-skel.l: Scan more than one inert character per yylex
12244 2003-02-01 Paul Eggert <eggert@twinsun.com>
12248 * po/LINGUAS: Add ms.
12250 2003-01-30 Akim Demaille <akim@epita.fr>
12252 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
12254 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12256 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
12259 Changes in response to error report by S. Eken: GLR mode does not
12260 handle negative $ indices or $ indices in embedded rules correctly.
12261 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
12263 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
12264 (b4_rhs_location): Ditto.
12265 (yyfill): New function to copy from stack tree into array
12267 (yyuserAction): Modify to allow incremental move of semantic values
12268 to rhs array when in GLR mode.
12269 Define YYFILL to use in user-defined actions to fill semantic array
12271 Remove dummy use of yystack, as there is now a guaranteed use.
12272 (yydoAction): Modify to allow incremental move of semantic values
12273 to rhs array when in GLR mode.
12274 (yyresolveAction): Ditto.
12275 (yyglrShiftDefer): Update comment.
12276 (yyresolveStates): Use X == NULL for pointers, not !X.
12277 (yyglrReduce): Ditto.
12278 (yydoAction): Ditto
12280 * tests/glr-regr1.at: Rename to ...
12281 * tests/glr-regression.at: Add new regression test for the problems
12282 described above (adapted from S. Eken).
12283 Update copyright notice.
12284 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
12285 * tests/Makefile.am: Ditto.
12287 2003-01-28 Paul Eggert <eggert@twinsun.com>
12289 * data/lalr1.cc: Do not use @output_header_name@ unless
12290 b4_defines_flag is set. This fixes two bugs reported by
12292 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
12293 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
12295 2003-01-21 Paul Eggert <eggert@twinsun.com>
12297 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
12298 we don't need to worry about yyerrlab1 being reported as an
12299 "unused label" by non-GCC C compilers. The downside is that if
12300 locations are used then a couple of statements are duplicated each
12301 time YYERROR is invoked, but the upside is that the warnings
12303 (yyerrlab1): Move code to YERROR.
12304 (yyerrlab2): Remove. Change uses back to yyerrlab1.
12305 This reverts some of the 2002-12-27 change.
12307 2003-01-17 Paul Eggert <eggert@twinsun.com>
12309 * src/output.c (symbol_printers_output): Fix typo that led
12310 to core dump. Problem reported by Antonio Rus in
12311 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
12313 2003-01-13 Akim Demaille <akim@epita.fr>,
12314 Quoc Peyrot <chojin@lrde.epita.fr>,
12315 Robert Anisko <anisko_r@lrde.epita.fr>
12317 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
12318 when the stacks contain one element, as the loop would otherwise
12319 free the last state, and then use the top state (the one we just
12320 popped). This means that the initial elements will not be freed
12321 explicitly, as is the case in yacc.c; it is not a problem, as
12322 these elements have fake values.
12324 2003-01-11 Paul Eggert <eggert@twinsun.com>
12326 * NEWS: %expect-violations are now just warnings, reverting
12327 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
12328 bootstrapping problem reported by Matthias Klose; see
12329 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
12330 * src/conflicts.c (conflicts_print): Likewise.
12331 * tests/conflicts.at (%expect not enough, %expect too much,
12332 %expect with reduce conflicts): Likewise.
12333 * doc/bison.texinfo (Expect Decl): Document this. Also mention
12334 that the warning is enabled if the number of conflicts changes
12335 (not necessarily increases).
12337 * src/getargs.c (version): Update copyright year.
12339 2003-01-09 Akim Demaille <akim@epita.fr>
12341 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
12343 2003-01-08 Paul Eggert <eggert@twinsun.com>
12345 * Makefile.maint (WGETFLAGS):
12346 New macro, containing "-C off" to disable proxy caches.
12347 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
12348 (rel-check): Use $(WGET) instead of wget.
12350 2003-01-06 Paul Eggert <eggert@twinsun.com>
12352 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
12353 the GLR paper of Scott, Johnstone and Hussain.
12355 2003-01-04 Paul Eggert <eggert@twinsun.com>
12357 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
12358 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
12359 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
12360 (EXTRA_LIBRARIES): New var, for liby.a.
12361 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
12362 (EXTRA_SCRIPTS): New var, for yacc.
12364 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
12365 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
12366 Problem reported by Nelson H. F. Beebe.
12368 2003-01-03 Paul Eggert <eggert@twinsun.com>
12370 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
12371 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
12372 when compiling Bison 1.875's `bitset bset = obstack_alloc
12373 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
12375 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
12376 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
12377 grow to a huge size with typical invocation.
12379 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
12380 Use the pattern recommended by Autoconf 2.57, except also protect
12381 against double-definition.
12382 * src/system.h: Likewise.
12383 Portability issues reported by Nelson H. F. Beebe.
12385 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
12386 All uses changed. Provide a definition in both C and C++.
12387 (yytrue, yyfalse): Define even if defined (__cplusplus).
12389 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
12390 Reported by Nelson H. F. Beebe.
12392 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
12394 2003-01-02 Paul Eggert <eggert@twinsun.com>
12396 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
12397 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
12398 Bug reported by Nelson H. F. Beebe.
12400 2003-01-01 Paul Eggert <eggert@twinsun.com>
12404 2002-12-30 Paul Eggert <eggert@twinsun.com>
12406 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
12408 (<INITIAL>","): Here. This causes stray "," to be treated
12411 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
12412 last brace in braced code when not in Yacc mode, for compatibility
12413 with Bison 1.35. This resurrects the 2001-12-15 patch to
12416 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
12417 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
12419 2002-12-28 Paul Eggert <eggert@twinsun.com>
12421 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
12422 that of SYM's type. This fixes Debian bug 168069, reported by
12425 2002-12-28 Paul Eggert <eggert@twinsun.com>
12429 Switch back to the Yacc style of conflict reports, undoing some
12430 of the 2002-07-30 change.
12431 * doc/bison.texinfo (Understanding): Use Yacc style for
12432 conflict reports. Also, use new way of locating rules.
12433 * src/conflicts.c (conflict_report):
12434 Renamed from conflict_report_yacc, removing the old
12435 'conflict_report'. Translate the entire conflict report at once,
12436 so that we don't assume that "," has the same interpretation in
12438 (conflicts_output): Use Yacc-style conflict report for each state,
12439 instead of our more-complicated style.
12440 (conflicts_print): Use Yacc-style conflict report, except print
12441 the input file name when not emulating Yacc.
12442 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
12443 Conflicted Reduction, %expect not enough, %expect too much,
12444 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
12445 * tests/existing.at (GNU Cim Grammar): Likewise.
12446 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
12448 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
12449 fatal): Don't invoke fflush; it's not needed and it might even be
12450 harmful for stdout, as stdout might not be open.
12451 * src/reduce.c (reduce_print): Likewise.
12453 2002-12-27 Paul Eggert <eggert@twinsun.com>
12455 Fix a bug where error locations were not being recorded correctly.
12456 This problem was originally reported by Paul Hilfinger in
12457 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
12459 * data/yacc.c (yyparse): New local var yylerrsp, to record the
12460 top of the location stack's error locations.
12461 (yyerrlab): Set it. When discarding a token, push its location
12462 onto yylerrsp so that we don't lose track of the error's end.
12463 (yyerrlab1): Now is only the target of YYERROR, so that we can
12464 properly record the location of the action that failed. For GCC
12465 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
12466 GCC warning about yyerrlab1 being unused if YYERROR is unused.
12467 (yyerrlab2): New label, which yyerrlab now falls through to.
12468 Compute the error's location by applying YYLLOC_DEFAULT to
12469 the locations of all the symbols that went into the error.
12470 * doc/bison.texinfo (Location Default Action): Mention that
12471 YYLLOC_DEFAULT is also invoked for syntax errors.
12472 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
12473 Error locations include the locations of all the tokens that were
12474 discarded, not just the last token.
12476 2002-12-26 Paul Eggert <eggert@twinsun.com>
12478 * src/files.c: Include quote.h.
12479 (compute_output_file_names): Warn if we detect conflicting
12480 outputs to the same file. This should catch the misunderstanding
12481 exemplified by Debian Bug 165349, reported by Bruce Stephens..
12483 * src/conflicts.c (conflicts_print): If the user specifies
12484 "%expect N", report an error if there are any reduce/reduce
12485 conflicts. This is what the manual says should happen.
12486 This fixes Debian bug 130890, reported by Anthony DeRobertis.
12487 * tests/conflicts.at (%expect with reduce conflicts): New test.
12489 Don't use m4_include on relative file names, as it doesn't work as
12490 desired if there happens to be a file with that name under ".".
12492 * m4sugar/version.m4: Remove; it was included but it wasn't used.
12493 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
12494 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
12495 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
12496 * src/output.c (output_skeleton): Use full path names when
12497 specifying a file to include; don't rely on include path, as
12498 it's unreliable when the working file contains a file with
12501 2002-12-25 Paul Eggert <eggert@twinsun.com>
12503 Remove obsolete references to bison.simple and bison.hairy.
12504 Problem mentioned by Aubin Mahe in
12505 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
12506 * data/glr.c: Comment fix.
12507 * doc/bison.1: Remove references. Also, mention "yacc".
12509 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
12512 * src/parse-gram.y (declaration): Use enum "report_states" rather
12513 than its numeric value 1.
12515 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
12516 opening a new one. This fixes Debian bug 165349, reported by
12519 2002-12-24 Paul Eggert <eggert@twinsun.com>
12523 * Makefile.maint (cvs-update): Don't assume that the shell
12524 supports $(...), as Solaris sh doesn't.
12526 * src/parse-gram.y (lloc_default): Remove test for empty
12527 nonterminals at the end, since it didn't change the result.
12529 2002-12-24 Paul Eggert <eggert@twinsun.com>
12531 If the user does not define YYSTYPE as a macro, Bison now declares it
12532 using typedef instead of defining it as a macro. POSIX requires this.
12533 For consistency, YYLTYPE is also declared instead of defined.
12535 %union directives can now have a tag before the `{', e.g., the
12536 directive `%union foo {...}' now generates the C code
12537 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
12538 The default union tag is `YYSTYPE', for compatibility with Solaris 9
12539 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
12540 instead of `yyltype'.
12542 `yystype' and `yyltype' are now obsolescent macros instead of being
12543 typedefs or tags; they are no longer documented and will be
12544 withdrawn in a future release.
12546 * data/glr.c (b4_location_type): Remove.
12547 (YYSTYPE): Renamed from yystype.
12548 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
12549 (struct YYLTYPE): Renamed from struct yyltype.
12550 (YYLTYPE): Renamed from yyltype.
12551 (yyltype, yystype): New (and obsolescent) macros,
12552 for backward compatibility.
12553 * data/yacc.c: Likewise.
12555 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
12556 does not specify a union tag. This is for compatibility with
12559 * src/parse-gram.y (add_param): 2nd arg is now char * not char
12560 const *, since it is now modified by stripping surrounding { }.
12561 (current_braced_code): Remove.
12562 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
12563 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
12564 trailing " {...}". Now of type <chars>.
12565 (grammar_declaration): Adjust to bundled tokens.
12566 (code_content): Remove; stripping is now done by add_param.
12567 (print_token_value): Print contents of bundled tokens.
12568 (token_name): New function.
12570 * src/reader.h (braced_code, current_braced_code): Remove.
12571 (token_name): New decl.
12573 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
12574 token_type, not braced_code code_kind. All uses changed.
12575 (SC_PRE_CODE): New state, for scanning after a keyword that
12576 has (or usually has) an immediately-following braced code.
12577 (token_type): New local var, to keep track of which token type
12578 to return when scanning braced code.
12579 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
12580 <INITIAL>"%parse-param", <INITIAL>"%printer",
12581 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
12582 instead of returning a token type immediately.
12583 (<INITIAL>"{"): Set token type.
12584 (<SC_BRACED_CODE>"}"): Use it.
12585 (handle_action_dollar, handle_action_at): Now returns bool
12586 indicating success. Fail if ! current_rule; this prevents a core dump.
12587 (handle_symbol_code_dollar, handle_symbol_code_at):
12588 Remove; merge body into caller.
12589 (handle_dollar, handle_at): Complain in invalid contexts.
12591 * NEWS, doc/bison.texinfo: Document the above.
12592 * NEWS: Fix years and program names in copyright notice.
12594 2002-12-17 Paul Eggert <eggert@twinsun.com>
12596 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
12597 Reporting, Table of Symbols): Omit mentions of %lex-param and
12598 %parse-param from the documentation for now.
12600 2002-12-15 Paul Eggert <eggert@twinsun.com>
12602 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
12603 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
12604 lookahead symbol, and which sets yychar in parser actions) and it
12605 disagreed with the Bison documentation. Bug
12606 reported by Andrew Walrond.
12608 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
12609 as the caller now does that.
12610 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
12611 (YYEMPTY): Parenthesize right hand side, since others use it.
12612 (yyparse): Don't assume that our generated code is the only code
12615 2002-12-13 Paul Eggert <eggert@twinsun.com>
12619 POSIX requires a "yacc" command.
12620 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
12621 (MOSTLYCLEANFILES): Add yacc.
12623 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
12624 as an alias for bison y.
12626 * po/LINGUAS: Add da.
12628 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
12629 problem with latest <getopt.h>.
12630 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
12632 * doc/fdl.texi: Upgrade to 1.2.
12633 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
12634 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
12635 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
12637 * config/install-sh: Sync with autotools.
12639 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
12640 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
12641 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
12642 locations are requested.
12643 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
12644 locations are requested.
12646 2002-12-12 Paul Eggert <eggert@twinsun.com>
12648 Remove unportable casts and storage allocation tricks.
12649 While we're at it, remove almost all casts, since they
12650 usually aren't needed and are a sign of trouble.
12652 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
12654 * src/derives.c (derives_compute): Do not subtract NTOKENS from
12655 the pointer DSET returned by malloc; this isn't portable.
12656 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
12657 Similarly for DERIVES.
12658 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
12659 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
12660 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
12662 * src/derives.c (derives_compute): Do not bother invoking
12663 int_of_rule_number, since rule numbers are integers.
12665 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
12666 rather than XMALLOC (char, N).
12668 * src/files.c (filename_split): Rewrite to avoid cast.
12670 * src/gram.h (symbol_number_as_item_number,
12671 item_number_as_symbol_number, rule_number_as_item_number,
12672 item_number_as_rule_number):
12673 Now inline functions rather than macros, to avoid casts.
12674 * src/state.h (state_number_as_int): Likewise.
12675 * src/tables.c (state_number_to_vector_number,
12676 symbol_number_to_vector_number): Likewise.
12678 * src/gram.h (int_of_rule_number): Remove; no longer used.
12680 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
12681 since the resulting storage is always stored into.
12683 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
12686 * src/muscle_tab.c (muscle_m4_output):
12687 Now inline. Return bool, not int.
12688 * src/state.c (state_compare): Likewise.
12689 * src/symtab.c (symbol_check_defined,
12690 symbol_check_alias_consistency, symbol_pack, symbol_translation,
12691 hash_compare_symbol, hash_symbol):
12693 * src/uniqstr.c (uniqstr_print): Likewise.
12694 * src/muscle_tab.c (muscle_m4_output_processor):
12695 New function, to avoid casts.
12696 * src/state.c (state_comparator, stage_hasher): Likewise.
12697 * src/symtab.c (symbol_check_defined_processor,
12698 symbol_check_alias_consistency_processor, symbol_pack_processor,
12699 symbol_translation_processor, hash_symbol_comparator,
12700 hash_symbol_hasher): Likewise.
12701 * src/uniqstr.c (uniqstr_print_processor): Likewise.
12702 * src/muscle_tab.c (muscles_m4_output):
12703 Use new functions instead of casting old functions unportably.
12704 * src/state.c (state_hash_new): Likewise.
12705 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
12706 symbols_token_translations_init):
12708 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
12710 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
12711 var instead of casting to long, to avoid casts.
12712 (prepare_states): Use MALLOC rather than alloca, so that we don't
12713 have to worry about alloca.
12714 * src/state.c (state_hash_lookup): Likewise.
12716 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
12717 local var instead of casting to unsigned char, to avoid casts.
12719 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
12720 STATE_ALLOC): Remove.
12721 (transitions_new, errs_new, reductions_new, state_new): Use malloc
12722 rather than calloc, and use offsetof to avoid allocating slightly
12724 (state_new): Initialize all members.
12726 * src/state.c (state_hash): Use unsigned accumulator, not signed.
12728 * src/symtab.c (symbol_free): Remove; unused.
12729 (symbol_get): Remove cast in lhs of assignment.
12730 (symbols_do): Now static. Accept generic arguments, not
12731 hashing-related ones.
12733 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
12734 (symbol_processor): Remove.
12735 (symbols_do): Remove decl; now static.
12737 * src/system.h (alloca): Remove; decl no longer needed.
12738 (<stddef.h>): Include, for offsetof.
12739 (<inttypes.>, <stdint.h>): Include if available.
12740 (uintptr_t): New type, if system lacks it.
12741 (CALLOC, MALLOC, REALLOC): New macros.
12742 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
12745 * src/tables.c (table_size): Now int, to pacify GCC.
12746 (table_grow, table_ninf_remap): Use signed table size.
12747 (save_row): Don't bother initializing locals when not needed.
12748 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
12749 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
12751 * src/vcg.h: Correct misspellings.
12753 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
12756 * src/getargs.c (getargs): Don't assume EOF == -1.
12758 2002-12-09 Paul Eggert <eggert@twinsun.com>
12760 Change identifier spellings to avoid collisions with names
12761 that are reserved by POSIX.
12763 Don't use names ending in _t, since POSIX reserves them.
12764 For consistency, remove _e and _s endings -- they're weren't
12765 needed to remove ambiguity. All uses changed.
12766 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
12767 turn was just renamed from struniq_t.
12768 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
12769 which in turn was just renamed from struniq_processor_t.
12770 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
12771 in turn was renamed from hash_compare_struniq_t.
12772 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
12773 (state_list): Renamed from state_list_t.
12774 * src/assoc.h (assoc): Renamed from assoc_t.
12775 * src/conflicts.c (enum conflict_resolution): Renamed from
12776 enum conflict_resolution_e.
12777 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
12778 (rule_list): Renamed from rule_list_t.
12779 * src/getargs.h (enum trace): Renamed from enum trace_e.
12780 (enum report): Renamed from enum report_e.
12781 * src/gram.h (item_number): Renamed from item_number_t.
12782 (rule_number): Renamed from rule_number_t.
12783 (struct rule_s): Remove the "rule_s" part; not used.
12784 (rule): Renamed from rule_t.
12785 (rule_filter): Renamed from rule_filter_t.
12786 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
12787 (goto_list): Renamed from goto_list_t.
12788 * src/lalr.h (goto_number): Renamed from goto_number_t.
12789 * src/location.h (location): Renamed from location_t.
12790 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
12791 and moved here from:
12792 * src/muscle_tab.h (muscle_entry_t): here.
12793 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
12794 (rule_list): Renamed from rule_list_t.
12795 * src/print_graph.c (static_graph): Renamed from graph.
12796 * src/reader.h (braced_code): Renamed from braced_code_t.
12797 Remove brace_code_e tag.
12798 * src/relation.h (relation_node): Renamed from relation_node_t.
12799 (relation_nodes): Renamed from relation_nodes_t.
12800 (relation): Renamed from relation_t.
12801 * src/state.h (state_number): Renamed from state_number_t.
12802 (struct state): Renamed from struct state_s.
12803 (state): Renamed from state_t.
12804 (transitions): Renamed from transitions_t. Unused (and
12805 misspelled) transtion_s tag removed.
12806 (errs): Renamed from errs_t. Unused errs_s tag removed.
12807 (reductions): Renamed from reductions_t. Unused tag
12808 reductions_s removed.
12809 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
12810 (struct symbol_list): Renamed from struct symbol_list_s.
12811 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
12812 (struct symbol): Renamed from struct symbol_s.
12813 (symbol): Renamed from symbol_t.
12814 * src/tables.c (vector_number): Renamed from vector_number_t.
12815 (action_number): Renamed from action_t.
12816 * src/tables.h (base_number): Renamed from base_t.
12817 * src/vcg.h (enum color): Renamed from enum color_e.
12818 (enum textmode): Renamed from enum textmode_e.
12819 (enum shape): Renamed from enum shape_e.
12820 (struct colorentry): Renamed from struct colorentry_s.
12821 (struct classname): Renamed from struct classname_s.
12822 (struct infoname): Renamed from struct infoname_s.
12823 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
12824 (enum decision): Renamed from enum decision_e.
12825 (enum orientation): Renamed from enum orientation_e.
12826 (enum alignment): Renamed from enum alignment_e.
12827 (enum arrow_mode): Renamed from enum arrow_mode_e.
12828 (enum crossing_type): Renamed from enum crossing_type_e.
12829 (enum view): Renamed from enum view_e.
12830 (struct node): Renamed from struct node_s.
12831 (node): Renamed from node_t.
12832 (enum linestyle): Renamed from enum linestyle_e.
12833 (enum arrowstyle): Renamed from enum arrowstyle_e.
12834 (struct edge): Renamed from struct edge.
12835 (edge): Renamed from edge_t.
12836 (struct graph): Renamed from struct graph_s.
12837 (graph): Renamed from graph_t.
12838 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
12839 Rename value_t -> value.
12840 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
12841 value_t_as_yystype -> value_as_yystype.
12843 Don't include <errno.h> in the mainstream code, since it
12844 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
12845 * lib/get-errno.c, lib/get-errno.h: New files.
12846 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
12848 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
12849 * src/output.c (output_skeleton): Likewise.
12850 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
12852 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
12854 (handle_action_dollar, handle_action_at): Likewise.
12855 * src/system.h: Do not include <errno.h>.
12856 (TAB_EXT): Renamed from EXT_TAB.
12857 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
12859 Avoid str[a-z]*, since <string.h> reserves that name space.
12860 Change all instances of "struniq" in names to "uniqstr", and
12861 likewise for "STRUNIQ" and "UNIQSTR".
12862 * src/uniqstr.c: Renamed from src/struniq.c.
12863 * src/uniqstr.h: Renamed from src/struniq.h.
12864 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
12865 * src/files.c (strsuffix): Remove; unused.
12866 (concat2): Renamed from stringappend. Now static.
12867 * src/files.h (strsuffix, stringappend): Remove; unused.
12868 * src/parse-gram.y (<chars>): Renamed from <string>.
12869 (<uniqstr>): Renamed from <struniq>.
12870 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
12871 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
12872 (struct graph_s.expand): Renamed from struct graph_s.stretch.
12873 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
12874 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
12875 (N_EXPAND): Renamed from N_STRETCH.
12877 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
12878 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
12879 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
12881 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
12882 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
12883 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
12884 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
12885 (BASE_MAXIMUM): Renamed from BASE_MAX.
12886 (BASE_MINIMUM): Renamed from BASE_MIN.
12887 (ACTION_MAX): Remove; unused.
12888 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
12889 Unnecessary casts removed from above defines.
12892 Fix misspelling in names.
12893 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
12894 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
12898 * lib/timevar.c (timevar_report): Renamed from time_report,
12899 for consistency with other names.
12900 * lib/timevar.h (timevar_report): New decl.
12901 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
12904 Sort include-file uses.
12906 Reorder all include files under src to be in the order "system.h".
12907 then the ../lib include files in angle brackets (alphabetized),
12908 then the . include files in double-quotes (alphabetized). Fix
12909 dependency breakages encountered in this process, as follows:
12910 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
12911 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
12912 * src/state.h: Include "symtab.h".
12914 2002-12-08 Paul Eggert <eggert@twinsun.com>
12916 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
12917 since this causes problems when __file__ contains character
12918 sequences like "@" that are treated specially by src/scan-skel.l.
12919 Instead, just use the file's basename. This fixes the bug
12920 reported by Martin Mokrejs in
12921 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
12923 2002-12-06 Paul Eggert <eggert@twinsun.com>
12925 Add support for rules that do not have trailing semicolons, as
12926 POSIX requires. Improve the quality of locations in Bison
12929 * src/location.c: Include <quotearg.h>.
12930 (empty_location): Now const.
12931 (location_print): New function. Follow the recommendation of the
12932 GNU Coding Standards for locations that span file boundaries.
12933 * src/location.h: Do not include <quotearg.h>; no longer needed.
12934 (boundary): New type.
12935 (location_t): Use it. This allows locations to span file boundaries.
12936 All member uses changed: file -> start.file or end.file (as needed),
12937 first_line -> start.line, first_column -> start.column,
12938 last_line -> end.line, last_column -> end.column.
12939 (equal_boundaries): New function.
12940 (LOCATION_RESET, LOCATION_STEP): Remove.
12941 (LOCATION_PRINT): Remove. All callers changed to use location_print.
12942 (empty_location): Now const.
12943 (location_print): New decl.
12944 * src/parse-gram.y (lloc_default): New function, which handles
12945 empty locations more accurately.
12946 (YYLLOC_DEFAULT): Use it.
12947 (%token COLON): Remove.
12948 (%token ID_COLON): New token.
12950 (declarations, rules): Remove trailing semicolon.
12951 (declaration, rules_or_grammar_declaration):
12952 Allow empty (";") declaration.
12953 (symbol_def): Remove empty actions; no longer needed.
12954 (rules_or_grammar_declaration): Remove trailing semicolon.
12955 (semi_colon.opt): Remove.
12956 * src/reader.h: Include location.h.
12957 (scanner_cursor): New decl.
12958 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
12960 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
12962 (STEP): Remove. No longer needed, now that adjust_location does
12963 the work. All uses removed.
12964 (scanner_cursor): New var.
12965 (adjust_location): Renamed from extend_location. It now sets
12966 *loc and adjusts the scanner cursor. All uses changed.
12967 Don't bother testing for CR.
12968 (handle_syncline): Remove location arg; now updates scanner cursor.
12969 All callers changed.
12970 (unexpected_end_of_file): Now accepts start boundary of token or
12971 comment, not location. All callers changed. Update scanner cursor,
12973 (SC_AFTER_IDENTIFIER): New state.
12974 (context_state): Renamed from c_context. All uses changed.
12975 (id_loc, code_start, token_start): New local vars.
12976 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
12977 processing of Yacc white space and equivalents here.
12978 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
12979 instead of returning ID immediately, since we need to search for
12980 a subsequent colon.
12981 (<INITIAL>"'", "\""): Save token_start.
12982 (<INITIAL>"%{", "{", "%%"): Save code_start.
12983 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
12984 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
12985 BEGIN context_state at end, not INITIAL.
12986 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
12987 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
12988 Return correct token start.
12989 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
12990 the start of a character, string or multiline comment is found.
12991 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
12992 Reduction): Adjust reported locations to match the more-precise
12993 results now expected.
12994 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
12995 * tests/reduce.at (Useless Rules, Reduced Automaton,
12996 Underivable Rules): Likewise.
12997 * tests/regression.at (Invalid inputs): No longer `expecting ";"
12998 or "|"' now that so many other tokens are allowed by the new grammar.
13000 * src/complain.h (current_file): Remove duplicate decl;
13001 current_file is now owned by files.h.
13002 * src/complain.c, src/scan-gram.l: Include files.h.
13004 2002-12-06 Paul Eggert <eggert@twinsun.com>
13006 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
13007 promotes to int; it might be unsigned int.
13008 * data/yacc.c (yy_reduce_print): Likewise.
13010 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
13011 be #defined in the prologue, not in the Bison declarations.
13012 This fixes Debian Bug 102878, reported by Shaul Karl.
13014 2002-12-02 Paul Eggert <eggert@twinsun.com>
13016 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
13017 * lib/strtoul.c: New file, from gnulib.
13018 This fixes a porting bug reported by Peter Klein in
13019 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
13021 2002-11-30 Paul Eggert <eggert@twinsun.com>
13023 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
13024 and put only a forward declaration in the prologue. This is for
13025 consistency with the other scanner helper functions.
13027 Type clashes now generate warnings, not errors, since it
13028 appears that POSIX may allow some grammars with type clashes.
13029 * src/reader.c (grammar_current_rule_check): Warn about
13030 type clashes instead of complaining.
13031 * tests/input.at (Type Clashes): Expect warnings, not complaints.
13033 Add Yacc library, since POSIX requires it.
13034 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
13035 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
13036 * lib/main.c, lib/yyerror.c: New files.
13038 gram_error can be static; it need not be extern.
13039 * src/reader.h (gram_error): Remove decl.
13040 * src/parse-gram.y (gram_error): Now static. Add static decl.
13041 (print_token_value): Omit parameter names from forward decl,
13044 2002-11-29 Paul Eggert <eggert@twinsun.com>
13046 * doc/bison.texinfo: Emphasize that yylex and yyerror must
13047 be declared before being used. E.g., one should typically
13048 declare them in the prologue. Use GNU coding style in examples.
13049 Put "const" consistently after the type it modifies. Mention
13050 that C99 supports "inline". Mention that yyerror traditionally
13053 %parse-param and %lex-param now take just one argument, the
13054 declaration; the argument name is deduced from the declaration.
13056 * doc/bison.texinfo (Parser Function, Pure Calling, Error
13057 Reporting, Table of Symbols): Document this.
13058 * src/parse-gram.y (add_param): New function.
13060 (declaration): Implement new rule for %parse-param and %lex-param.
13061 * src/scan-gram.l: "," now elicits a warning, rather than being
13062 a token; this is more compatible with byacc.
13063 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
13065 2002-11-27 Paul Eggert <eggert@twinsun.com>
13067 Rename identifiers to avoid real and potential collisions.
13069 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
13070 to avoid collision with lex macro described by Bruce Lilly in
13071 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
13072 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
13073 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
13074 * src/parse-gram.y (print_token_value): Renamed from yyprint.
13076 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
13077 The name "yycontrol" violates the name space rules, and this stuff
13078 wasn't being used anyway.
13079 (input): Remove action; this stuff wasn't being used.
13080 (gram_error): Rename local variable yylloc -> loc.
13081 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
13082 (YY_DECL): Don't use "yy" at start of local variables.
13083 All uses changed, e.g., yylloc -> loc.
13084 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
13085 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
13086 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
13087 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
13089 * src/parse-gram.y (gram_error): loc is now const *.
13090 * src/reader.h (gram_error): Likewise.
13092 2002-11-24 Paul Eggert <eggert@twinsun.com>
13096 * tests/actions.at (Actions after errors): Use an output format
13097 more similar to that of the Printers and Destructors test.
13098 Test the position of the ';' token too.
13099 (Printers and Destructors): Likewise.
13100 (Printers and Destructors: %glr-parser): Remove for now, to avoid
13101 unnecessarily alarming people when the test fails.
13103 * data/yacc.c (yyerrlab1): Move this label down, so that the
13104 parser does not discard the lookahead token if the user code
13105 invokes YYERROR. This change is required for POSIX conformance.
13107 * lib/error.c: Sync with gnulib.
13109 2002-11-22 Paul Eggert <eggert@twinsun.com>
13111 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
13112 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
13113 * lib/xmalloc.c: Likewise.
13115 2002-11-20 Paul Eggert <eggert@twinsun.com>
13117 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
13119 2002-11-20 Paul Eggert <eggert@twinsun.com>
13121 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
13122 should use `if (! x) abort ();' rather than `assert (x);', and
13123 anyway it's one less thing to worry about configuring.
13125 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
13126 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
13127 and replace all instances of assert with abort.
13128 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
13129 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
13131 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
13132 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
13133 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
13134 hash_find_entry, hash_rehash, hash_insert): Likewise.
13135 * src/conflicts.c (resolve_sr_conflict): Likewise.
13136 * src/lalr.c (set_goto_map, map_goto): Likewise.
13137 * src/nullable.c (nullable_compute): Likewise.
13138 * src/output.c (prepare_rules, token_definitions_output): Likewise.
13139 * src/reader.c (packgram, reader): Likewise.
13140 * src/state.c (state_new, state_free, state_transitions_set,
13141 state_reduction_find): Likewise.
13142 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
13143 symbol_pack): Likewise.
13144 * src/tables.c (conflict_row, pack_vector): Likewise.
13145 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
13146 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
13147 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
13148 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
13150 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
13151 (ARGMATCH_CONSTRAINT): New macro.
13152 (ARGMATCH_ASSERT): Use it.
13154 * src/system.h (verify): New macro.
13155 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
13156 rather than assert.
13157 * src/tables.c (tables_generate): Likewise.
13159 * src/struniq.c (struniq_assert): Now returns void, and aborts
13160 if the assertion is false.
13161 (struniq_assert_p): Remove.
13162 * src/struniq.h: Likewise.
13164 2002-11-18 Paul Eggert <eggert@twinsun.com>
13166 * data/glr.c (yygetLRActions): Replace `yyindex' with
13167 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
13168 This fixes the regression with Sun ONE Studio 7 cc that I reported in
13169 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
13171 2002-11-18 Akim Demaille <akim@epita.fr>
13173 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
13175 From Tim Van Holder.
13177 2002-11-17 Paul Eggert <eggert@twinsun.com>
13179 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
13180 to "SyntaxError" for consistency with my 2002-11-15 change.
13182 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
13183 not define to {}, since this breaks the common use of `YYDPRINTF
13184 ((...));' if a single statement is desired (e.g. before `else').
13185 Work around GCC warnings by surrounding corresponding calls with
13187 (yyhasResolvedValue): Remove unused function.
13188 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
13190 (yyreportSyntaxError): Renamed from yyreportParseError.
13191 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
13193 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
13194 extern when possible. Remove unused initializations.
13196 2002-11-16 Akim Demaille <akim@epita.fr>
13198 Augment the similarity between GLR and LALR traces.
13200 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
13201 (YY_REDUCE_PRINT): New.
13202 (yyparse): Use them.
13203 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
13205 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
13206 state reached after the reduction/recovery, since...
13207 (yyparse, yyprocessOneStack): Report the state we are entering in.
13209 2002-11-16 Akim Demaille <akim@epita.fr>
13211 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
13212 Add support for --trace=skeleton.
13213 * src/scan-skel.l: %option debug.
13214 Scan strings of non-@ or \n instead of character by character.
13215 (scan_skel): Handle trace_skeleton.
13217 (@output_parser_name@, @output_header_name@): ``Restore'' their
13218 support (used to be M4 macros).
13219 * data/yacc.c: Quote larger chunks, a la glr.c.
13220 * data/lalr1.cc: Likewise.
13221 The header guards are no longer available, so use some other
13222 string than `YYLSP_NEEDED'.
13224 2002-11-16 Akim Demaille <akim@epita.fr>
13226 Make the ``Printers and Destructors'' test more verbose, taking
13227 `yacc.c''s behavior as (possibly wrong) reference.
13229 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
13230 instead of fprint on stdout.
13231 Set and report the last_line of the symbols.
13232 Consistently display values and locations.
13234 2002-11-16 Paul Eggert <eggert@twinsun.com>
13236 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
13238 2002-11-15 Paul Eggert <eggert@twinsun.com>
13240 * tests/actions.at (Actions after errors): New test case.
13242 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
13243 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
13244 tests/action.at, tests/calc.at, tests/conflicts.at,
13245 tests/cxx-type.at, tests/regression.at:
13246 "parse error" -> "syntax error" for POSIX compatibility.
13247 "parsing stack overflow..." -> "parser stack overflow" so
13248 that code matches Bison documentation.
13250 2002-11-15 Akim Demaille <akim@epita.fr>
13252 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
13253 take two BRACED_CODE, not two string_content.
13254 Free the scanner's obstack when we are done.
13255 (code_content): New.
13256 * tests/calc.at: Adjust.
13257 * doc/bison.texinfo: Adjust.
13258 Also, make sure to include the `,' for these declarations.
13260 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
13262 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
13263 definition; avoids potential autoreconf problems.
13265 2002-11-15 Akim Demaille <akim@epita.fr>
13267 Always check the value returned by yyparse.
13269 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
13270 returned by yyparse.
13271 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
13273 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
13274 returned by yyparse.
13276 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13278 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
13281 2002-11-14 Paul Eggert <eggert@twinsun.com>
13283 * src/output.c (output_skeleton): Call xfopen instead of
13284 duplicating xfopen's body.
13286 Fix bugs reported by Nelson H. F. Beebe in
13287 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
13289 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
13290 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
13291 Group compiler. Instead, use "$CC -E bar.c". Include the .h
13292 file twice in the grammar, as an extra check.
13294 * tests/input.at (Torturing the Scanner): Surround the
13295 backslash-newline tests with "#if 0", to make it less likely that
13296 we'll run into compiler bugs. Bring back solitary \ inside
13297 comment, but add a closing comment to work around HP C bug. Don't
13298 test backslash-newline in C character constant.
13300 2002-11-14 Akim Demaille <akim@epita.fr>
13302 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
13303 status of the compiler.
13304 Calling `exit 1' is no longer needed.
13305 Reported by Nelson H. F. Beebe.
13307 2002-11-14 Akim Demaille <akim@epita.fr>
13309 * tests/atlocal.in (CPPFLAGS): We have config.h.
13310 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
13312 * tests/actions.at, tests/calc.at, tests/conflicts.at,
13313 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
13314 * tests/regression.at, tests/torture.at: Use them for all the
13315 grammars that are to be compiled.
13316 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
13317 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
13318 * doc/bison.texinfo (GLR Parsers): Document `inline'.
13320 2002-11-14 Akim Demaille <akim@epita.fr>
13322 * doc/bison.texinfo: Various formatting changes (alignments in
13323 samples, additional @group/@end group, GCS in samples.
13324 Use @deffn instead of simple @table to define the directives,
13325 macros, variables etc.
13327 2002-11-13 Paul Eggert <eggert@twinsun.com>
13329 Fix some bugs reported by Albert Chin-A-Young in
13330 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
13332 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
13333 -o c"; the HP C compiler chatters during compilation.
13334 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
13335 * tests/headers.at (export YYLTYPE): Likewise.
13337 * tests/input.at (Torturing the Scanner): Remove lines containing
13338 solitary backslashes, as they tickle a bug in the HP C compiler.
13340 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
13341 comments, since they're not portable. Use GNU coding style.
13343 2002-11-13 Akim Demaille <akim@epita.fr>
13345 * data/yacc.c: Leave bigger chunks of quoted text.
13346 (YYDSYMPRINTF): New.
13347 Use it to report symbol activities.
13348 * data/glr.c (YYDSYMPRINTF): New.
13351 2002-11-12 Paul Eggert <eggert@twinsun.com>
13355 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
13356 (yyglrReduce): Return yyok, not 0.
13357 This should avoid the enumerated-type warnings reported
13358 by Nelson H. F. Beebe in
13359 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
13361 * lib/bbitset.h (BITSET_INLINE): Remove.
13362 * lib/bitset.h [! BITSET_INLINE]: Remove.
13363 (bitset_set, bitset_reset, bitset_test): Rename local vars
13364 to avoid shadowing warnings by GCC.
13366 * data/glr.c (inline): Remove #define. It's the user's
13367 responsibility to #define it away, just like 'const'.
13368 This fixes one of the bugs reported by Nelson H. F. Beebe in
13369 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
13371 * Makefile.maint (po-check): Scan .l and .y files instead of the
13372 .c and the .h files that they generate. This fixes the bug
13373 reported by Tim Van Holder in:
13374 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
13375 Look for N_ as well as for _. Try to avoid matching #define for
13377 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
13378 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
13379 * src/scan-gram.l: Revamp regular expressions so that " and '
13380 do not confuse xgettext.
13382 * src/struniq.h (struniq_new): Do not declare the return type
13383 to be 'const'; this violates the C standard.
13384 * src/struniq.c (struniq_new): Likewise.
13386 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
13388 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
13389 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
13392 2002-11-12 Akim Demaille <akim@epita.fr>
13394 * Makefile.maint: Sync with Autoconf:
13395 (local_updates): New.
13397 2002-11-12 Akim Demaille <akim@epita.fr>
13399 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
13401 2002-11-12 Akim Demaille <akim@epita.fr>
13403 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
13406 2002-11-12 Akim Demaille <akim@epita.fr>
13408 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
13411 2002-11-12 Akim Demaille <akim@epita.fr>
13413 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
13414 Use it to test the GLR parser.
13416 2002-11-12 Akim Demaille <akim@epita.fr>
13418 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
13420 * data/glr.c (yystos): New.
13421 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
13422 (YYDSYMPRINT): New.
13423 (yyval): Don't define it, it is handled via M4.
13424 (yyrecoverParseError): Free verbosely the discarded symbols.
13425 * data/yacc.c (yysymprint): Remove, rather...
13426 (b4_yysymprint_generate): invoke.
13427 * data/c.m4 (b4_yysymprint_generate): New.
13428 Accept pointers as arguments, as opposed to the version from
13430 (b4_yydestruct_generate): Likewise.
13431 * tests/cations.at (Printers and Destructors): Use Bison directives
13432 instead of CPP macros.
13433 Don't rely on internal details.
13435 2002-11-12 Akim Demaille <akim@epita.fr>
13437 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
13438 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
13439 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
13440 it against YYEMPTY and so forth), work on yytoken (i.e., set
13441 it to YYEMPTY etc.).
13442 (yydestruct): Replace with a b4_yydestruct_generate invocation.
13443 (b4_symbol_actions): Remove.
13444 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
13445 for 0, end-of-input.
13447 2002-11-12 Akim Demaille <akim@epita.fr>
13449 * doc/bison.texinfo (Destructor Decl): New.
13451 2002-11-12 Akim Demaille <akim@epita.fr>
13453 * src/tables.c (tables_generate): Use free for pointers that
13454 cannot be NULL, not XFREE.
13455 (pack_vector): Use assert, not fatal, for bound violations.
13456 * src/state.c (state_new): Likewise.
13457 * src/reader.c (reader): Likewise.
13458 * src/lalr.c (set_goto_map): Likewise.
13459 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
13462 2002-11-12 Akim Demaille <akim@epita.fr>
13464 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
13466 * src/scan-gram.l (last_string): Is global to the file, not to
13468 * src/parse-gram.y (input): Don't append the epilogue here,
13469 (epilogue.opt): do it here, and free the scanner's obstack.
13470 * src/reader.c (epilogue_set): Rename as...
13471 (epilogue_augment): this.
13472 * data/c.m4 (b4_epilogue): Defaults to empty.
13474 2002-11-12 Akim Demaille <akim@epita.fr>
13476 * src/getargs.c (long_options): Remove duplicates.
13477 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
13479 * doc/bison.rnh: Remove.
13480 * doc/bison.texinfo (VMS Invocation): Remove.
13482 2002-11-12 Akim Demaille <akim@epita.fr>
13484 * src/struniq.h, src/struniq.c (struniq_t): Is const.
13485 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
13487 Use struniq for symbols.
13489 * src/symtab.h (symbol_t): The tag member is a struniq.
13490 (symbol_type_set): Adjust.
13491 * src/symtab.c (symbol_new): Takes a struniq.
13492 (symbol_free): Don't free the tag member.
13493 (hash_compare_symbol_t, hash_symbol_t): Rename as...
13494 (hash_compare_symbol, hash_symbol): these.
13495 Use the fact that tags as struniqs.
13496 (symbol_get): Use struniq_new.
13497 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
13499 * src/reader.h (merger_list, grammar_currentmerge_set): The name
13500 and type members are struniqs.
13501 * src/reader.c (get_merge_function)
13502 (grammar_current_rule_merge_set): Adjust.
13503 (TYPE, current_type): Are struniq.
13505 Use struniq for file names.
13507 * src/files.h, src/files.c (infile): Split into...
13508 (grammar_file, current_file): these.
13509 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
13510 * src/reduce.c (reduce_print): Likewise.
13511 * src/getargs.c (getargs): Likewise.
13512 * src/complain.h, src/complain.c: Likewise.
13513 * src/main.c (main): Call struniqs_new early enough to use it for
13515 Don't free the input file name.
13517 2002-11-12 Akim Demaille <akim@epita.fr>
13519 * src/symtab.c (symbol_free): Remove dead deactivated code:
13520 type_name are properly removed.
13521 Don't use XFREE to free items that cannot be NULL.
13522 * src/struniq.h, src/struniq.c: New.
13523 * src/main.c (main): Initialize/free struniqs.
13524 * src/parse-gram.y (%union): Add astruniq member.
13526 * src/scan-gram.l (<{tag}>): Return a struniq.
13527 Free the obstack bit that used to store it.
13528 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
13530 2002-11-11 Paul Eggert <eggert@twinsun.com>
13532 Revamp to fix many (but not all) of the C- and M4-related quoting
13533 problems. Among other things, this fixes the Bison bug reported
13534 by Jan Hubicka when processing the Bash grammar; see:
13535 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
13537 Use new @ escapes consistently. Represent brackets with @{ and @}
13538 rather than @<:@ and @:>@, since this works a bit better with dumb
13539 editors like vi. Represent @ with @@, since @ is now consistently
13540 an escape. Use @oline@ and @ofile@ rather than __oline__ and
13541 __ofile__, to avoid unexpected expansions. Similarly, use @output
13542 rather than #output.
13544 * data/c.m4 (b4_copyright): Omit file name from comment, since
13545 the file name could contain "*/".
13546 (b4_synclines_flag): Don't quote the 2nd argument; it should already
13547 be quoted. All uses changed.
13549 * data/glr.c: Use new @ escapes consistently.
13550 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
13551 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
13552 Remove, since they couldn't handle arbitrary characters in file
13554 * data/lalr1.cc: Likewise.
13555 * data/yacc.c: Likewise.
13557 * src/files.c (output_infix): Remove; all uses removed.
13558 * src/files.h: Likewise.
13560 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
13561 mishandled funny characters in file names, and anyway it isn't
13563 * data/yacc.c: Likewise.
13564 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
13566 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
13567 * data/yacc.c: Likewise.
13569 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
13571 (muscle_init): Quote filename as a C string.
13572 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
13573 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
13574 * src/output.c (escaped_file_name_output): New function.
13575 (prepare_symbols): Quote tokens for M4.
13576 (prepare): Don't insert output_infix, output_prefix,
13577 output_parser_name, output_header_name; this is now down by scan-skel.
13578 Insert skeleton as a C string.
13580 * src/output.c (user_actions_output, symbol_destructors_output,
13581 symbol_printers_output): Quote filenames for C and M4.
13582 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13584 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
13585 escapes other than \\ and \'; this simplifies the code.
13586 (<SC_STRING>): Likewise, for \\ and \".
13587 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
13588 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
13589 Use new escapes @{ and @} for [ and ].
13591 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
13592 them with auto vars.
13593 Switch to new escape scheme, where @ is the escape character uniformly.
13594 Abort if a stray escape character is found. Avoid unbounded input
13595 buffer when parsing non-escaped text.
13597 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
13598 __oline__, #output, $@, and @{ do not have unintended meanings.
13600 2002-11-09 Paul Eggert <eggert@twinsun.com>
13602 Fix the test failure due to GCC warnings described in
13603 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
13604 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
13605 evaluate to 0 if it's impossible for NINF to be in the respective
13607 (yygetLRActions, yyrecoverParseError): Use them.
13609 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
13610 counted in the token inserted at end of file. Now takes
13611 location_t *, not location_t, so that the location can be
13612 adjusted. All uses changed.
13614 * tests/regression.at (Invalid inputs): Adjust wording in
13615 diagnostic to match the new behavior.
13617 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
13618 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
13619 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
13620 abort ();'. This reduces the runtime of the "Many lookaheads"
13621 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
13624 2002-11-07 Paul Eggert <eggert@twinsun.com>
13626 * src/parse-gram.y (CHARACTER): Remove unused token.
13629 * src/scan-gram.l: Remove stack option. We no longer use the
13630 stack, since the stack was never deeper than 1; instead, use the
13631 new auto var c_context to record the stacked value.
13633 Remove nounput option. At an unexpected end of file, we now unput
13634 the minimal input necessary to end cleanly; this simplifies the
13637 Avoid unbounded token sizes where this is easy.
13639 (unexpected_end_of_file): New function.
13640 Use it to systematize the error message on unexpected EOF.
13641 (last-string): Now auto, not static.
13642 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
13643 (scanner_last_string_free): Remove; not used.
13644 (percent_percent_count): Move decl to just before use.
13645 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
13646 not the (never otherwised-used) CHARACTER.
13648 2002-11-07 Akim Demaille <akim@epita.fr>
13650 Let yyerror always receive the msg as last argument, so that
13651 yyerror can be variadic.
13653 * data/yacc.c (b4_yyerror_args): New.
13654 Use it when calling yyerror.
13655 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
13656 Use it when calling yyerror.
13657 * doc/bison.texinfo (Error Reporting): Adjust.
13658 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
13659 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
13661 2002-11-06 Akim Demaille <akim@epita.fr>
13663 #line should have quoted strings.
13664 Ideally, this should be done by m4_quotearg.
13666 * src/scan-skel.l: Include quotearg.h.
13668 * src/output.c (symbol_printers_output)
13669 (symbol_destructors_output): Quote the file name.
13671 2002-11-06 Akim Demaille <akim@epita.fr>
13673 * tests/regression.at (Invalid inputs): Adjust to the recent
13676 2002-11-06 Akim Demaille <akim@epita.fr>
13678 Restore --no-lines.
13679 Reported by Jim Kent.
13681 * data/c.m4 (b4_syncline): New.
13682 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
13683 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
13684 * src/output.c (user_actions_output): Likewise.
13685 (prepare): Define 'b4_synclines_flag'.
13686 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
13688 2002-11-06 Akim Demaille <akim@epita.fr>
13690 * src/main.c (main): Free `infile'.
13691 * src/scan-gram.l (handle_syncline): New.
13693 * src/output.c (user_actions_output, symbol_destructors_output)
13694 (symbol_printers_output): Use the location's file name, not
13696 * src/reader.c (prologue_augment, epilogue_set): Likewise.
13698 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13700 * src/tables.c (matching_state): Don't allow states to match if
13701 either has GLR conflict entries.
13703 2002-11-05 Paul Eggert <eggert@twinsun.com>
13705 * src/scan-gram.l: Use more accurate diagnostics, e.g.
13706 "integer out of range" rather than "invalid value".
13707 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
13710 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
13711 Also, remove one static variable in the scanner.
13713 * src/scan-gram.l (braces_level): Now auto, not static.
13714 Initialize to zero if the compiler is being picky.
13715 (INITIAL): Clear braces_level instead of incrementing it.
13716 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
13717 as POSIX 1003.1-2001 requires.
13718 * src/system.h (IF_LINT): New macro, taken from coreutils.
13719 * configure.ac: Define "lint" if --enable-gcc-warnings.
13721 2002-11-05 Akim Demaille <akim@epita.fr>
13723 * src/scan-gram.l: When it starts with `%', complain about the
13724 whole directive, not just that `invalid character: %'.
13726 2002-11-04 Akim Demaille <akim@epita.fr>
13728 * Makefile.maint: Update from Autoconf.
13729 (update, cvs-update, po-update, do-po-update): New.
13731 2002-11-04 Akim Demaille <akim@epita.fr>
13733 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
13735 Have yyerror `use' its arguments.
13736 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
13737 returns true when location & yacc & pure & parse-param.
13738 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
13740 2002-11-04 Akim Demaille <akim@epita.fr>
13742 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
13744 * src/scan-gram.l: Use [\'] instead of ['] to pacify
13747 Use quote, not quote_n since LOCATION_PRINT no longer uses the
13750 2002-11-03 Paul Eggert <eggert@twinsun.com>
13752 * src/reader.c (get_merge_function, grammar_current_rule_check):
13753 Use consistent diagnostics for reporting type name clashes.
13754 Quote the types with <>, for consistency with Yacc.
13755 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
13757 2002-11-03 Akim Demaille <akim@epita.fr>
13759 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
13761 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
13762 (b4_parse_param): Remove.
13763 Use b4_identification.
13764 Propagate b4_pure_args where needed to pass them to yyerror.
13765 * data/glr.m4 (b4_parse_param): Remove.
13766 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
13767 (b4_lpure_formals): New.
13768 Use b4_identification.
13769 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
13770 b4_user_formals and b4_user_args.
13771 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
13772 (yyreportAmbiguity): When using a pure parser, also need
13773 the location, and the parse-params.
13775 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
13776 When using a pure parser, also need the parse-params.
13778 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
13779 (%pure-parser + %parse-param) LALR and GLR parsers.
13780 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
13781 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
13782 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
13783 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
13784 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
13785 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
13786 * doc/bison.texinfo: Untabify the whole file.
13787 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
13788 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
13789 (Error Reporting): Adjust to these new directives.
13790 Document %error-verbose, deprecate YYERROR_VERBOSE.
13792 2002-11-03 Akim Demaille <akim@epita.fr>
13794 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
13795 AT_CHECK_CALC_GLR invocations to use % directives, instead of
13796 command line options.
13797 * tests/cxx-type.at: Formatting changes.
13799 2002-11-03 Paul Eggert <eggert@twinsun.com>
13801 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
13802 to count columns correctly, and to check for invalid inputs.
13804 Use mbsnwidth to count columns correctly. Account for tabs, too.
13805 Include mbswidth.h.
13806 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
13807 (extend_location): New function.
13808 (YY_LINES): Remove.
13810 Handle CRLF in C code rather than in Lex code.
13811 (YY_INPUT): New macro.
13812 (no_cr_read): New function.
13814 Scan UCNs, even though we don't fully handle them yet.
13815 (convert_ucn_to_byte): New function.
13817 Handle backslash-newline correctly in C code.
13818 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
13819 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
13821 (tag, splice): New EREs. Do not allow NUL or newline in tags.
13822 Use {splice} wherever C allows backslash-newline.
13823 YY_STEP after space, newline, vertical-tab.
13824 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
13826 (letter, id): Don't assume ASCII; e.g., spell out a-z.
13828 ({int}, handle_action_dollar, handle_action_at): Check for integer
13831 (YY_STEP): Omit trailing semicolon, so that it's more like C.
13833 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
13834 as well as \000. Check for UCHAR_MAX, not 255.
13835 Allow \x with an arbitrary positive number of digits, as in C.
13836 Check for overflow here.
13837 Allow \? and UCNs, for compatibility with C.
13839 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
13840 with quote slot used by complain_at.
13842 * tests/input.at: Add tests for backslash-newline, m4 quotes
13843 in symbols, long literals, and funny escapes in strings.
13845 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
13846 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
13847 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
13848 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
13849 * m4/mbswidth.m4: New file, from GNU coreutils.
13851 * doc/bison.texinfo (Grammar Outline): Document // comments.
13852 (Symbols): Document that trigraphs have no special meaning in Bison,
13853 nor is backslash-newline allowed.
13854 (Actions): Document that trigraphs have no special meaning.
13856 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
13859 2002-11-02 Paul Eggert <eggert@twinsun.com>
13861 * src/reader.c: Don't include quote.h; not needed.
13862 (get_merge_function): Reword warning to be consistent with
13863 type clash diagnostic in grammar_current_rule_check.
13865 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
13866 bug in trigraph handling.
13868 * src/output.c (prepare_symbols): When printing token names,
13869 escape "[" as "@<:@" and likewise for "]".
13871 * src/system.h (errno): Remove declaration, as we are now
13872 assuming C89 or better, and C89 guarantees errno.
13874 2002-10-30 Paul Eggert <eggert@twinsun.com>
13876 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
13877 Check for close failures.
13878 * src/files.h (xfclose): Return void, not int, since it always
13880 * src/files.c (xfclose): Likewise. Report I/O error if ferror
13882 * src/output.c (output_skeleton): Use xfclose rather than fclose
13883 and ferror. xfclose now checks ferror.
13885 * data/glr.c (YYLEFTMOST_STATE): Remove.
13886 (yyreportTree): Use a stack-based leftmost state. This avoids
13887 our continuing battles with bogus warnings about initializers.
13889 2002-10-30 Akim Demaille <akim@epita.fr>
13891 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
13894 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13896 * tests/glr-regr1.at: New test for reported regressions.
13897 * tests/testsuite.at: Add glr-regr1.at test.
13898 * tests/Makefile.am: Add glr-regr1.at test.
13900 2002-10-24 Paul Eggert <eggert@twinsun.com>
13904 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
13905 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
13906 we use malloc. Don't assume 'A' through 'Z' are contiguous.
13907 Don't assume strdup exists; POSIX says its an XSI extension.
13908 Check for buffer overflow on input.
13910 2002-10-24 Akim Demaille <akim@epita.fr>
13912 * src/output.c (output_skeleton): Don't disable M4sugar comments
13913 too soon: it results in comments being expanded.
13914 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
13917 2002-10-24 Akim Demaille <akim@epita.fr>
13919 * data/yacc.c (m4_int_type): New.
13920 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
13921 char' as only yacc.c wants K&R portability.
13922 * data/glr.c (yysigned_char): Remove.
13923 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
13924 Reported by Quoc Peyrot.
13926 2002-10-23 Paul Eggert <eggert@twinsun.com>
13928 * src/main.c (main): With --trace=time, report times even if a
13929 non-fatal error occurs. Formerly, the times were reported in some
13930 such cases but not in others.
13931 * src/reader.c (reader): Just return if a complaint has been issued,
13932 instead of exiting, so that 'main' can report times.
13934 2002-10-22 Akim Demaille <akim@epita.fr>
13936 * src/system.h: Include sys/types.
13937 Reported by Bert Deknuydt.
13939 2002-10-23 Paul Eggert <eggert@twinsun.com>
13941 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
13942 Suggested by Art Haas.
13944 2002-10-22 Paul Eggert <eggert@twinsun.com>
13946 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
13947 decl; not needed any more.
13948 * src/main.c (main): Use return to exit, undoing yesterday's change.
13949 The last OS that we could find where this wouldn't work is
13950 SunOS 3.5, and that's too old to worry about now.
13952 * data/glr.c (struct yyltype): Define members even when not
13953 doing locations. This is more consistent with yacc.c, and it
13954 works around the following bug reports:
13955 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
13956 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
13958 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
13959 @acronym consistently. Standardize on "Yacc" instead of "YACC",
13960 "Algol" instead of "ALGOL". Give a bit more history about BNF.
13962 2002-10-22 Akim Demaille <akim@epita.fr>
13964 * data/README: New.
13966 2002-10-21 Paul Eggert <eggert@twinsun.com>
13968 Be consistent about 'bool'; the old code used an enum in one
13969 module and an int in another, and this violates the C standard.
13970 * m4/stdbool.m4: New file, from coreutils 4.5.3.
13971 * configure.ac (AC_HEADER_STDBOOL): Add.
13972 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
13973 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
13974 * src/symtab.c (hash_compare_symbol_t): Likewise.
13975 * src/system.h (bool, false, true): Use a definition consistent
13976 with ../lib/hash.c. All uses changed.
13978 * src/complain.c (warning_issued): Renamed from warn_message_count,
13979 so that we needn't worry about integer overflow (!).
13980 Now of type bool. All uses changed.
13981 (complaint_issued): Renamed from complain_message_count; likewise.
13983 * src/main.c (main): Use exit to exit with failure.
13985 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
13986 rather than 1 and 0.
13987 * src/main.c (main): Likewise.
13988 * src/getargs.c (getargs): Likewise.
13989 * src/reader.c (reader): Likewise.
13991 * src/getarg.c (getargs): Remove duplicate code for
13992 "Try `bison --help'".
13994 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
13995 What was that "2" for?
13997 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
13998 * src/getargs.c (usage): Likewise.
14000 * src/getargs.c (getargs): When there are too few operands, report
14001 the last one. When there are too many, report the first extra
14002 one. This is how diffutils does it.
14004 2002-10-20 Paul Eggert <eggert@twinsun.com>
14006 Remove K&R vestiges.
14007 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
14008 * src/complain.c (VA_START): Remove. Assume prototypes.
14009 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
14010 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
14011 fatal): Assume prototypes.
14012 * src/complain.h: Assume prototypes.
14013 * src/system.h (PARAMS): Remove.
14014 Include <limits.h> unconditionally, since it's guaranteeed even
14015 for a freestanding C89 compiler.
14016 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
14017 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
14019 2002-10-20 Akim Demaille <akim@epita.fr>
14021 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
14022 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
14023 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
14024 (yyresolveStates, yyresolveAction, yyresolveStack)
14025 (yyprocessOneStack): Use them.
14026 (yy_reduce_print): New.
14027 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
14029 2002-10-20 Akim Demaille <akim@epita.fr>
14031 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
14032 arguments and output `void'.
14033 (b4_c_function): Rename as...
14034 (b4_c_function_def): this.
14035 (b4_c_function_decl, b4_c_ansi_function_def)
14036 (b4_c_ansi_function_decl): New.
14037 Change the interpretation of the arguments: before `int, foo', now
14039 * data/yacc.c (yyparse): Prototype and define thanks to these.
14040 Adjust b4_c_function_def uses.
14041 * data/glr.c (yyparse): Likewise, but ANSI only.
14043 2002-10-20 Akim Demaille <akim@epita.fr>
14045 * src/output.c (prepare): Move the definition of `tokens_number',
14046 `nterms_number', `undef_token_number', `user_token_number_max'
14048 (prepare_tokens): Here.
14049 (prepare_tokens): Rename as...
14050 (prepare_symbols): this.
14051 (prepare): Move the definition of `rules_number' to...
14052 (prepare_rules): here.
14053 (prepare): Move the definition of `last', `final_state_number',
14054 `states_number' to...
14055 (prepare_states): here.
14056 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
14058 2002-10-20 Akim Demaille <akim@epita.fr>
14060 * src/tables.h, src/tables.c, src/output.c: Comment changes.
14062 2002-10-20 Akim Demaille <akim@epita.fr>
14064 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
14067 2002-10-20 Akim Demaille <akim@epita.fr>
14069 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
14070 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
14072 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
14074 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
14075 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
14078 2002-10-19 Paul Eggert <eggert@twinsun.com>
14080 Do not create a temporary file, as that involves security and
14081 cleanup headaches. Instead, use a pair of pipes.
14082 Derived from a suggestion by Florian Krohm.
14083 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
14084 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
14085 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
14086 (BISON_PREREQ_SUBPIPE): Add.
14087 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
14088 Add subpipe.h, subpipe.c.
14089 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
14090 * po/POTFILES.in: Add lib/subpipe.c.
14091 * src/output.c: Include "subpipe.h".
14092 (m4_invoke): Remove decl.
14093 (scan_skel): New decl.
14094 (output_skeleton): Use pipe rather than temporary file for m4 input.
14095 Check that m4sugar.m4 is readable, to avoid deadlock.
14096 Check for pipe I/O error.
14097 * src/scan-skel.l (readpipe): Remove decl.
14098 (scan_skel): New function, to be used in place of m4_invoke.
14099 Read from stream rather than file.
14101 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
14102 float, as this generates a warning on Solaris 8 + GCC 3.2 with
14103 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
14104 this generates a more-accurate value anyway.
14106 * lib/timevar.c (timervar_accumulate): Rename locals to
14107 avoid confusion with similarly-named more-global.
14108 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
14110 * src/output.c (prepare): Use xstrdup to convert char const *
14111 to char *, to avoid GCC warning.
14113 2002-10-19 Akim Demaille <akim@epita.fr>
14115 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
14116 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
14117 Use them to have `calc.y' ready for %pure-parser.
14118 * data/yacc.c (YYLEX): Pass a yylex return type to
14119 b4_c_function_call.
14121 2002-10-19 Akim Demaille <akim@epita.fr>
14123 Prototype support of %lex-param and %parse-param.
14125 * src/parse-gram.y: Add the definition of the %lex-param and
14126 %parse-param tokens, plus their rules.
14127 Drop the `_' version of %glr-parser.
14129 * src/scan-gram.l (INITIAL): Scan them.
14130 * src/muscle_tab.c: Comment changes.
14131 (muscle_insert, muscle_find): Rename `pair' as `probe'.
14132 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
14133 (muscle_entry_s): The `value' member is no longer const.
14134 Adjust all dependencies.
14135 * src/muscle_tab.c (muscle_init): Adjust: use
14136 MUSCLE_INSERT_STRING.
14137 Initialize the obstack earlier.
14138 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
14139 (muscle_pair_list_grow): New.
14140 * data/c.m4 (b4_c_function_call, b4_c_args): New.
14141 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
14142 * tests/calc.at: Use %locations, not --locations.
14143 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
14145 2002-10-19 Akim Demaille <akim@epita.fr>
14147 * src/getargs.c (usage): Take status as argument and exit
14149 Report the traditional `Try ... --help' message when status != 0.
14150 (usage, version): Don't take a FILE * as arg, it is pointless.
14151 (getargs): When there is an incorrect number of arguments, make it
14152 an error, and report it GNUlically thanks to `usage ()'.
14154 2002-10-18 Paul Eggert <eggert@twinsun.com>
14156 * data/glr.c (yyreportParseError): Don't assume that sprintf
14157 yields the length of the printed string, as this is not true
14158 on SunOS 4.1.4. Reported by Peter Klein.
14160 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
14161 * tests/conflicts.at (%nonassoc and eof): Likewise.
14162 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
14164 2002-10-17 Akim Demaille <akim@epita.fr>
14166 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
14167 * src/getargs.c (trace_types, trace_args): Adjust.
14168 * src/reader.c (grammar_current_rule_prec_set)
14169 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
14170 Standardize error messages.
14171 And s/@prec/%prec/!
14172 (reader): Use trace_flag to enable scanner/parser debugging,
14173 instead of an adhoc scheme.
14174 * src/scan-gram.l: Remove trailing debugging code.
14176 2002-10-16 Paul Eggert <eggert@twinsun.com>
14178 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
14181 * NEWS: Officially drop support for building Bison with K&R C,
14182 since it didn't work anyway and it's not worth worrying about.
14183 * Makefile.maint (wget_files): Remove ansi2knr.c.
14184 (ansi2knr.c-url_prefix): Remove.
14185 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
14186 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14187 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14189 2002-10-15 Paul Eggert <eggert@twinsun.com>
14191 Stop using the "enum_" trick for K&R-style function definitions;
14192 it confused me, and I was the author! Instead, assume that people
14193 who want to use K&R C compilers (when using these modules in GCC,
14194 perhaps?) will run ansi2knr.
14196 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
14197 All uses of "enum_" changed to "enum ".
14198 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14199 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14201 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
14202 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
14203 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
14204 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
14205 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
14206 abitset_not, abitset_ones, abitset_or, abitset_or_and,
14207 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
14208 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
14209 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
14210 Use function prototypes; this removes the need for declaring
14211 static functions simply to provide their prototypes.
14212 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
14213 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
14214 bitset_count_, bitset_create, bitset_dump, bitset_first,
14215 bitset_free, bitset_init, bitset_last, bitset_next,
14216 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
14217 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
14218 bitset_print, bitset_release_memory, bitset_toggle_,
14219 bitset_type_choose, bitset_type_get, bitset_type_name_get,
14220 debug_bitset): Likewise.
14221 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
14222 * lib/bitset_stats.c (bitset_log_histogram_print,
14223 bitset_percent_histogram_print, bitset_stats_and,
14224 bitset_stats_and_cmp, bitset_stats_and_or,
14225 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
14226 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
14227 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
14228 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
14229 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
14230 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
14231 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
14232 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
14233 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
14234 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
14235 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
14236 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
14237 bitset_stats_zero): Likewise.
14238 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14239 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14240 bitsetv_dump, debug_bitsetv): Likewise.
14241 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
14242 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
14243 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
14244 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
14245 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
14246 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
14247 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
14248 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
14249 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
14250 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
14251 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
14253 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
14254 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
14255 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
14256 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
14257 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
14258 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
14259 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
14260 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
14261 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
14262 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
14263 lbitset_xor_cmp, lbitset_zero): Likewise.
14265 2002-10-14 Akim Demaille <akim@epita.fr>
14269 2002-10-14 Akim Demaille <akim@epita.fr>
14271 * tests/Makefile.am (maintainer-check-posix): New.
14273 2002-10-14 Akim Demaille <akim@epita.fr>
14275 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
14278 2002-10-14 Akim Demaille <akim@epita.fr>
14280 * src/tables.c (table_ninf_remap): base -> tab.
14281 Reported by Matt Rosing.
14283 2002-10-14 Paul Eggert <eggert@twinsun.com>
14285 * tests/action.at, tests/calc.at, tests/conflicts.at,
14286 tests/cxx-type.at, tests/headers.at, tests/input.at,
14287 tests/regression.at, tests/synclines.at, tests/torture.at:
14288 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
14289 so that the tests still work even if POSIXLY_CORRECT is set.
14290 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
14292 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
14293 for portability to K&R hosts. Fix typo: signed char is guaranteed
14294 only to 127, not to 128.
14295 * data/glr.c (yysigned_char): New type.
14296 * data/yacc.c (yysigned_char): Likewise.
14297 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
14299 2002-10-13 Paul Eggert <eggert@twinsun.com>
14301 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
14302 true due to limited range of data type" warning from GCC.
14304 * data/c.m4 (b4_token_defines): Protect against double-inclusion
14305 by wrapping enum yytokentype's definition inside #ifndef
14306 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
14308 2002-10-13 Akim Demaille <akim@epita.fr>
14310 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
14311 Un yy- yyrhs to avoid the name clash with the global YYRHS.
14313 2002-10-13 Akim Demaille <akim@epita.fr>
14315 * Makefile.maint: Update from Autoconf 2.54.
14316 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
14318 2002-10-13 Akim Demaille <akim@epita.fr>
14320 * src/print.c (print_state): Separate the list of solved conflicts
14321 from the other items.
14322 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
14324 2002-10-13 Akim Demaille <akim@epita.fr>
14326 Let nondeterministic skeletons be usable with deterministic
14329 With the patch, GAWK compiled by GCC without -O2 passes its test
14330 suite using a GLR parser driven by LALR tables. It fails with -O2
14331 because `struct stat' gives two different answers on my machine:
14332 88 (definition of an auto var) and later 96 (memset on this var).
14333 Hence the stack is badly corrumpted. The headers inclusion is to
14334 blame: if I move the awk.h inclusion before GLR's system header
14335 inclusion, the two struct stat have the same size.
14337 * src/tables.c (pack_table): Always create conflict_table.
14338 (token_actions): Always create conflict_list.
14339 * data/glr.c (YYFLAG): Remove, unused.
14341 2002-10-13 Akim Demaille <akim@epita.fr>
14343 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
14345 (VALGRIND, GXX): New.
14346 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
14347 * tests/bison.in: Run $PREBISON a pre-command.
14348 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
14349 (maintainer-check-g++): New.
14350 * Makefile.am (maintainer-check): New.
14352 2002-10-13 Akim Demaille <akim@epita.fr>
14354 * data/glr.c: Formatting changes.
14355 Tweak some trace messages to match yacc.c's.
14357 2002-10-13 Akim Demaille <akim@epita.fr>
14359 GLR parsers sometimes raise parse errors instead of performing the
14361 Reported by Charles-Henry de Boysson.
14363 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
14364 check the length of the traces when %glr.
14365 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
14367 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
14369 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
14370 (yyltype): Remove the yy prefix from the member names.
14371 (yytable): Complete its comment.
14372 (yygetLRActions): Map error action number from YYTABLE from
14374 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
14375 (which was a bug: it should have been YYTABEL_NINF, and yet it was
14376 not satisfying as we could compare an YYACTION computed from
14377 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
14378 only value for error actions.
14379 (yyreportParseError): In verbose parse error messages, don't issue
14380 `error' in the list of expected tokens.
14381 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
14382 next action to perform to match glr.c's decoding.
14383 (yytable): Complete its comment.
14385 2002-10-13 Paul Eggert <eggert@twinsun.com>
14387 Fix problem reported by Henrik Grubbstroem in
14388 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
14389 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
14390 because the Bison parser reads the second action before reducing
14392 * src/scan-gram.l (rule_length): New static var.
14393 Use it to keep track of the rule length in the scanner, since
14394 we can't expect the parser to be in lock-step sync with the scanner.
14395 (handle_action_dollar, handle_action_at): Use this var.
14396 * tests/actions.at (Exotic Dollars): Test for the problem.
14398 2002-10-12 Paul Eggert <eggert@twinsun.com>
14400 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
14401 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
14402 Include <sys/time.h> when checking for clock_t and struct tms.
14403 Use same include order as source.
14404 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
14405 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
14407 * lib/timevar.c: Update copyright date and clarify comments.
14408 (get_time) [IN_GCC]: Keep the GCC version for reference.
14410 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
14411 GCC version as of today, then merge Bison's changes.
14412 Change "GCC" to "Bison" in copyright notice. timevar.def's
14413 author is Akim, so change that too.
14415 * src/reader.c (grammar_current_rule_check):
14416 Don't worry about the default action if $$ is untyped.
14417 Prevents bogus warnings reported by Jim Gifford in
14418 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
14420 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
14421 * data/glr.c, data/lalr1.cc, data/yacc.c:
14422 Output token definitions before the first part of user declarations.
14423 Fixes compatibility problem reported by Jim Gifford for kbd in
14424 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
14426 2002-10-11 Paul Eggert <eggert@twinsun.com>
14428 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
14429 (yyparse): here. This undoes some of the 2002-07-25 change.
14430 Compatibility problem reported by Ralf S. Engelschall with
14431 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
14433 2002-10-11 Akim Demaille <akim@epita.fr>
14435 * tests/regression.at Characters Escapes): New.
14436 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
14438 Reported by Jan Nieuwenhuizen.
14440 2002-10-11 Akim Demaille <akim@epita.fr>
14444 2002-10-10 Paul Eggert <eggert@twinsun.com>
14446 Portability fixes for bitsets; this also avoids several GCC
14449 * lib/abitset.c: Include <stddef.h>, for offsetof.
14450 * lib/lbitset.c: Likewise.
14452 * lib/abitset.c (abitset_bytes): Return a size that is aligned
14453 properly for vectors of objects. Do not assume that adding a
14454 header size to a multiple of a word size yields a value that is
14455 properly aligned for the whole union.
14456 * lib/bitsetv.c (bitsetv_alloc): Likewise.
14458 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
14459 unique names for structures.
14460 * lib/ebitset.c (ebitset_bytes): Likewise.
14461 * lib/lbitset.c (lbitset_bytes): Likewise.
14463 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
14464 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
14465 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
14466 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
14467 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
14468 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
14469 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
14470 to improve the type-checking that GCC can do.
14471 * lib/bitset.c (bitset_op4_cmp): Likewise.
14472 * lib/bitset_stats.c (bitset_stats_count,
14473 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
14474 bitset_stats_copy, bitset_stats_disjoint_p,
14475 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
14476 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
14477 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
14478 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
14479 bitset_stats_and_or_cmp, bitset_stats_andn_or,
14480 bitset_stats_andn_or_cmp, bitset_stats_or_and,
14481 bitset_stats_or_and_cmp): Likewise.
14482 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
14483 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
14484 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
14485 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
14487 * lib/abitset.h: Include bitset.h, not bbitset.h.
14488 * lib/ebitset.h: Likewise.
14489 * lib/lbitset.h: Likewise.
14491 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
14492 All instances of parameters of type enum bitset_opts are now of
14493 type enum_bitset_opts, to conform to the C Standard, and similarly
14494 for enum_bitset_type.
14495 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
14496 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
14498 Do not use "struct bitset_struct" to mean different things in
14499 different modules. Not only is this confusing, it violates
14500 the C Standard, which requires that structure types in different
14501 modules must be compatible if one is to be passed to the other.
14502 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
14503 All instances of "struct bitset_struct *" replaced with "bitset".
14504 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
14505 (union bitset_union, struct abitset_struct, struct ebitset_struct,
14506 struct lbitset_struct, struct bitset_stats_struct): New types.
14507 All uses of struct bitset_struct changed to union bitset_union,
14509 * lib/abitset.c (struct abitset_struct, abitset,
14510 struct bitset_struct): Remove.
14511 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
14512 struct bitset_struct): Remove.
14513 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
14514 bitset_struct): Remove.
14515 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
14518 Do not call a function of type T using a call that assumes the
14519 function is of a different type U. Standard C requires that a
14520 function must be called with a type that is compatible with its
14522 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14524 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
14526 * lib/ebitset.c (PFV): Remove.
14527 * lib/lbitset.c (PFV): Likewise.
14528 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
14529 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
14531 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
14532 (ebitset_vtable): Use them.
14533 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
14534 lbitset_xor): New functions.
14535 (lbitset_vtable): Use them.
14537 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
14540 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
14542 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
14543 Use offsetof, for simplicity.
14545 2002-10-06 Paul Eggert <eggert@twinsun.com>
14547 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
14548 the same width as int. This reapplies a hunk of the 2002-08-12 patch
14549 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
14550 which was inadvertently undone by the 2002-09-30 patch.
14551 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
14552 the same width as int.
14554 2002-10-04 Paul Eggert <eggert@twinsun.com>
14558 * configure.ac (AC_INIT), NEWS: Increment version number.
14560 * doc/bison.texinfo: Minor spelling, grammar, and white space
14562 (Symbols): Mention that any negative value returned from yylex
14563 signifies end-of-input. Warn about negative chars. Mention
14564 the portable Standard C character set.
14566 The GNU coding standard says CFLAGS and YFLAGS are reserved
14567 for the installer to set.
14568 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
14569 * src/Makefile.am (AM_CFLAGS): Likewise.
14570 (AM_YFLAGS): Renamed from YFLAGS.
14572 Fix some MAX and MIN problems.
14573 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
14574 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
14575 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
14576 * src/reader.c (reader): Use it.
14578 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
14579 POSIX 1003.1-2001 has removed fgrep.
14581 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14583 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
14584 interpreted as signed.
14585 * lib/ebitset.c (ebitset_list): Fix bug.
14587 2002-10-01 Paul Eggert <eggert@twinsun.com>
14589 More fixes for 64-bit hosts and large bitsets.
14591 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
14592 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
14593 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
14594 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
14595 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
14596 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
14597 bitset_count_): Likewise.
14598 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
14599 bitset_first, bitset_last): Likewise.
14600 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
14601 bitset_stats_list_reverse, bitset_stats_size,
14602 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
14604 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14605 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
14606 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
14607 bitsetv_reflexive_transitive_closure): Likewise.
14608 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
14609 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
14611 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
14614 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
14615 Use size_t, not unsigned int, to count bytes.
14616 * lib/abitset.h (abitset_bytes): Likewise.
14617 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
14619 * lib/bitset.h (bitset_bytes): Likewise.
14620 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
14621 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
14622 * lib/bitsetv.c (bitsetv_alloc): Likewise.
14623 * lib/ebitset.c (ebitset_bytes): Likewise.
14624 * lib/ebitset.h (ebitset_bytes): Likewise.
14625 * lib/lbitset.c (lbitset_bytes): Likewise.
14626 * lib/lbitset.h (lbitset_bytes): Likewise.
14628 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
14629 abitset_subset_p, abitset_disjoint_p, abitset_and,
14630 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
14631 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
14632 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
14633 abitset_or_and, abitset_or_and_cmp):
14634 Use bitset_windex instead of unsigned int.
14635 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14636 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
14637 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
14638 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
14640 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
14642 * lib/bitset.c (bitset_print):
14643 Use proper printf formats for widths of integer types.
14644 * lib/bitset_stats.c (bitset_percent_histogram_print,
14645 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
14646 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
14647 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
14648 * lib/lbitset.c (lbitset_bytes): Likewise.
14650 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
14651 BITSET_SIZE_MAX): New macros.
14652 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
14653 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
14654 to BITSET_WINDEX_MAX.
14656 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
14657 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
14658 since we now return the bitset_bindex type (not int).
14660 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
14661 when computing sizes.
14662 * lib/ebitset.c (ebitset_elts_grow): Likewise.
14664 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
14665 and avoid cast to unsigned.
14667 2002-09-30 Akim Demaille <akim@epita.fr>
14669 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
14670 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
14671 Updates from Michael Hayes.
14673 2002-09-30 Art Haas <ahaas@neosoft.com>
14675 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
14677 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
14680 2002-09-27 Akim Demaille <akim@epita.fr>
14684 2002-09-27 Akim Demaille <akim@epita.fr>
14686 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
14687 (Because of AC_LIBSOURCE).
14689 2002-09-27 Akim Demaille <akim@epita.fr>
14691 Playing with Autoscan.
14693 * configure.ac: Remove the old LIBOBJ tweaks.
14694 (AC_REPLACE_FUNCS): Add strrchr and strtol.
14695 * lib/strrchr.c: New.
14696 * lib/strtol.c: New, from the Coreutils 4.5.1.
14698 2002-09-27 Akim Demaille <akim@epita.fr>
14700 Playing with Autoscan.
14702 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
14703 * lib/Makefile.am (libbison_a_SOURCES): No longer include
14704 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
14705 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
14708 2002-09-24 Akim Demaille <akim@epita.fr>
14710 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
14711 (Frequently Asked Questions, Parser Stack Overflow): New.
14713 2002-09-13 Akim Demaille <akim@epita.fr>
14715 Playing with autoscan.
14717 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
14718 * src/files.c (skeleton_find): Remove, unused.
14719 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
14720 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
14722 2002-09-13 Akim Demaille <akim@epita.fr>
14724 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
14725 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
14727 2002-09-13 Akim Demaille <akim@epita.fr>
14729 * configure.ac: Require 2.54.
14730 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
14731 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
14732 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
14733 Remove, provided by Autoconf macros.
14735 2002-09-12 Akim Demaille <akim@epita.fr>
14737 * m4/prereq.m4: Update, from Coreutils 4.5.1.
14739 2002-09-12 Akim Demaille <akim@epita.fr>
14741 * m4/prereq.m4: Update, from Fileutils 4.1.5.
14742 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
14743 Reported by Martin Mokrejs.
14745 2002-09-10 Akim Demaille <akim@epita.fr>
14747 * src/parse-gram.y: Associate a human readable string to each
14749 * tests/regression.at (Invalid inputs): Adjust.
14751 2002-09-10 Gary V. Vaughan <gary@gnu.org>
14753 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
14754 with an Autoconf-2.5x style configure.ac.
14756 2002-09-06 Paul Eggert <eggert@twinsun.com>
14758 * doc/bison.texinfo (Conditions): Make explicit that the GPL
14759 exception applies only to yacc.c. This is a modification of a
14760 patch originally suggested by Akim Demaille.
14762 2002-09-06 Akim Demaille <akim@epita.fr>
14764 * data/c.m4 (b4_copyright): Move the GPL exception comment from
14766 * data/yacc.c: here.
14768 * data/lalr1.cc (struct yyltype): Don't define it, since we use
14770 (b4_ltype): Default to yy::Location from location.hh.
14772 2002-09-04 Jim Meyering <jim@meyering.net>
14774 * data/yacc.c: Guard the declaration of yytoknum also with
14775 `#ifdef YYPRINT', so it is declared only when used.
14777 2002-09-04 Akim Demaille <akim@epita.fr>
14779 * configure.in: Rename as...
14780 * configure.ac: this.
14783 2002-09-04 Akim Demaille <akim@epita.fr>
14785 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
14786 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
14787 translate maintainer only messages.
14789 2002-08-12 Paul Eggert <eggert@twinsun.com>
14793 * Makefile.am (SUBDIRS): Remove intl.
14794 (DISTCLEANFILES): Remove.
14795 * NEWS: Mention that GNU M4 is now required. Clarify what is
14796 meant by "larger grammars". Mention the pt_BR translation.
14797 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
14798 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
14799 Bump version from 0.11.2 to 0.11.5.
14800 (BISON_PREREQ_STAGE): Remove.
14801 (AM_GNU_GETTEXT): Use external gettext.
14802 (AC_OUTPUT): Remove intl/Makefile.
14804 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
14806 * data/glr.c: Include string.h, for strlen.
14807 (yyreportParseError): Use size_t for yysize.
14808 (yy_yypstack): No longer nested inside yypstates, as nested
14809 functions are not portable. Do not assume size_t is the
14811 (yypstates): Do not assume that ptrdiff_t is the same width
14812 as int, and similarly for yyposn and YYINDEX.
14814 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
14816 * lib/Makefile.am (INCLUDES): Do not include from the intl
14817 directory, which has been removed.
14818 * src/Makefile.am (INCLUDES): Likewise.
14820 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
14821 (bitsets_sources, additional_bitsets_sources, timevars_sources):
14824 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
14825 * tests/Makefile.am (EXTRA_DIST): Likewise.
14827 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
14828 Do not assume that bitset_windex is the same width as unsigned.
14830 * lib/abitset.c (abitset_unused_clear): Do not assume that
14831 bitset_word is the same width as int.
14832 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
14833 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
14834 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
14835 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
14836 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
14838 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
14839 portability to one's complement hosts!).
14840 * lib/ebitset.c (ebitset_op1): Likewise.
14841 * lib/lbitset.c (lbitset_op1): Likewise.
14843 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
14844 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
14845 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
14846 Sync with fileutils.
14847 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
14848 lib/gettext.h: Sync with diffutils.
14850 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
14851 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
14853 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
14854 PROTOTYPES to check for prototypes, and "defined __STDC__" to
14857 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
14858 size_t; the old version tried to do this but casted improperly.
14859 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
14860 (bitset_test): Now returns int, not unsigned long.
14862 * lib/bitset_stats.c: Include "gettext.h".
14864 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
14865 name locals "index", as it generates unnecessary warnings on some
14866 hosts that have an "index" function.
14868 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
14869 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
14870 they need translation.
14871 * src/LR0.c (state_list_append, new_itemsets, get_state,
14872 append_states, generate_states): Likewise.
14873 * src/assoc.c (assoc_to_string): Likewise.
14874 * src/closure.c (print_closure, set_firsts, closure): Likewise.
14875 * src/gram.c (grammar_dump): Likewise.
14876 * src/injections.c (injections_compute): Likewise.
14877 * src/lalr.c (lookaheads_print): Likewise.
14878 * src/relation.c (relation_transpose): Likewise.
14879 * src/scan-gram.l: Likewise.
14880 * src/tables.c (table_grow, pack_vector): Likewise.
14882 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
14883 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
14884 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
14885 * m4/mbstate_t.m4: Sync with fileutils.
14886 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
14888 * po/LINGUAS: Add pt_BR.
14889 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
14890 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
14892 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
14894 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
14896 * src/complain.c (strerror_r): Remove decl; not needed.
14897 (strerror): Use same pattern as ../lib/error.c.
14899 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
14901 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
14903 * src/main.c (main): Cast result of bindtextdomain and textdomain
14904 to void, to avoid a GCC warning when --disable-nls is in effect.
14906 * src/scan-gram.l: Use strings rather than escapes when possible,
14907 to minimize the number of warnings from xgettext.
14908 (handle_action_dollar, handle_action_at): Don't use isdigit,
14909 as it mishandles negative chars and it may not work as expected
14910 outside the C locale.
14912 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
14913 this is a GCC extension and is not portable to other compilers.
14915 * src/system.h (alloca): Use same pattern as ../lib/error.c.
14916 Do not include <ctype.h>; no longer needed.
14917 Do not include <malloc.h>; no longer needed (and generates
14918 warnings on OpenBSD 3.0).
14920 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
14923 * tests/regression.at: Do not use 'cc -c input.c -o input';
14924 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
14926 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
14927 exit status as failure, not just exit status 1. Sun C exits
14928 with status 2 sometimes.
14930 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
14931 Use it for the two large tests.
14933 2002-08-02 Akim Demaille <akim@epita.fr>
14935 * src/conflicts.c (conflicts_output): Don't output rules never
14936 reduced here, since anyway that computation doesn't work.
14937 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
14938 (rule_useless_p, rule_never_reduced_p): New.
14939 (grammar_rules_partial_print): Use a filter instead of a range.
14940 Display the title only if needed.
14941 (grammar_rules_print): Adjust.
14942 (grammar_rules_never_reduced_report): New.
14943 * src/tables.c (action_row): Move the computation of rules never
14945 (token_actions): here.
14946 * src/main.c (main): Make the parser before making the report, so
14947 that rules never reduced are computed.
14948 Call grammar_rules_never_reduced_report.
14949 * src/print.c (print_results): Report rules never reduced.
14950 * tests/conflicts.at, tests/reduce.at: Adjust.
14952 2002-08-01 Akim Demaille <akim@epita.fr>
14954 Instead of attaching lookaheads and duplicating the rules being
14955 reduced by a state, attach the lookaheads to the reductions.
14957 * src/state.h (state_t): Remove the `lookaheads',
14958 `lookaheads_rule' member.
14959 (reductions_t): Add a `lookaheads' member.
14960 Use a regular array for the `rules'.
14961 * src/state.c (reductions_new): Initialize the lookaheads member
14963 (state_rule_lookaheads_print): Adjust.
14964 * src/state.h, src/state.c (state_reductions_find): New.
14965 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
14966 (count_rr_conflicts): Adjust.
14967 * src/lalr.c (LArule): Remove.
14968 (add_lookback_edge): Adjust.
14969 (state_lookaheads_count): New.
14970 (states_lookaheads_initialize): Merge into...
14971 (initialize_LA): this.
14972 (lalr_free): Adjust.
14973 * src/main.c (main): Don't free nullable and derives too early: it
14974 is used by --verbose.
14975 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
14977 2002-08-01 Akim Demaille <akim@epita.fr>
14979 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
14981 (set_derives, free_derives): Rename as...
14982 (derives_compute, derives_free): this.
14983 Adjust all dependencies.
14984 * src/nullable.c (set_nullable, free_nullable): Rename as...
14985 (nullable_compute, nullable_free): these.
14986 (rule_list_t): Store rule_t *, not rule_number_t.
14987 * src/state.c (state_rule_lookaheads_print): Directly compare rule
14988 pointers, instead of their numbers.
14989 * src/main.c (main): Call nullable_free, and derives_free earlier,
14990 as they were lo longer used.
14992 2002-08-01 Akim Demaille <akim@epita.fr>
14994 * lib/timevar.c (get_time): Include children time.
14995 * src/lalr.h (LA, LArule): Don't export them: used with the
14997 * src/lalr.c (LA, LArule): Static.
14998 * src/lalr.h, src/lalr.c (lalr_free): New.
14999 * src/main.c (main): Call it.
15000 * src/tables.c (pack_vector): Check whether loc is >= to the
15002 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
15003 (tables_generate): do it, since that's also it which allocates
15005 Don't free LA and LArule, main does.
15007 2002-07-31 Akim Demaille <akim@epita.fr>
15009 Separate parser tables computation and output.
15011 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
15012 (conflict_list, conflict_list_cnt, table, check, table_ninf)
15013 (yydefgoto, yydefact, high): Move to...
15014 * src/tables.h, src/tables.c: here.
15015 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
15016 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
15017 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
15018 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
15019 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
15020 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
15021 (action_row, save_row, token_actions, save_column, default_goto)
15022 (goto_actions, sort_actions, matching_state, pack_vector)
15023 (table_ninf_remap, pack_table, prepare_actions): Move to...
15024 * src/tables.c: here.
15025 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
15026 * src/output.c (token_actions, output_base, output_conflicts)
15027 (output_check): Merge into...
15028 (prepare_actions): this.
15029 (actions_output): Rename as...
15030 (user_actions_output): this.
15031 * src/main.c (main): Call tables_generate and tables_free.
15033 2002-07-31 Akim Demaille <akim@epita.fr>
15035 Steal GCC's --time-report support.
15037 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
15038 stolen/adjusted from GCC.
15039 * m4/stage.m4: Remove time related checks.
15040 * m4/timevar.m4: New.
15041 * configure.in: Adjust.
15042 * src/system.h: Adjust to using timevar.h.
15043 * src/getargs.h, src/getargs.c: Support trace_time for
15045 * src/main.c (stage): Remove.
15046 (main): Replace `stage' invocations with timevar calls.
15047 * src/output.c: Insert pertinent timevar calls.
15049 2002-07-31 Akim Demaille <akim@epita.fr>
15051 Let --trace have arguments.
15053 * src/getargs.h (enum trace_e): New.
15054 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
15055 (long_options, short_options): --trace/-T takes an optional
15057 Change all the uses of trace_flag to reflect the new flags.
15058 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
15060 Strengthen `stage' portability.
15062 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
15063 * configure.in: Use it.
15064 Don't check for malloc.h and sys/times.h.
15065 * src/system.h: Include them when appropriate.
15066 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
15067 times and struct tms are available.
15069 2002-07-30 Akim Demaille <akim@epita.fr>
15071 In verbose parse error message, don't report `error' as an
15073 * tests/actions.at (Printers and Destructors): Adjust.
15074 * tests/calc.at (Calculator $1): Adjust.
15075 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
15076 error message, do not report the parser accepts the error token in
15079 2002-07-30 Akim Demaille <akim@epita.fr>
15081 Normalize conflict related messages.
15083 * src/complain.h, src/complain.c (warn, complain): New.
15084 * src/conflicts.c (conflicts_print): Use them.
15085 (conflict_report_yacc): New, extracted from...
15086 (conflicts_print): here.
15087 * tests/conflicts.at, tests/existing.at: Adjust.
15089 2002-07-30 Akim Demaille <akim@epita.fr>
15091 Report rules which are never reduced by the parser: those hidden
15094 * src/LR0.c (save_reductions): Don't make the final state too
15095 different: save its reduction (accept) instead of having a state
15096 without any action (no shift or goto, no reduce).
15097 Note: the final state is now a ``regular'' state, i.e., the
15098 parsers now contain `reduce 0' as default reduction.
15099 Nevertheless, since they decide to `accept' when yystate =
15100 final_state, they still will not reduce rule 0.
15101 * src/print.c (print_actions, print_reduction): Adjust.
15102 * src/output.c (action_row): Track reduced rules.
15103 (token_actions): Report rules never reduced.
15104 * tests/conflicts.at, tests/regression.at: Adjust.
15106 2002-07-30 Akim Demaille <akim@epita.fr>
15108 `stage' was accidently included in a previous patch.
15109 Initiate its autoconfiscation.
15111 * configure.in: Look for malloc.h and sys/times.h.
15112 * src/main.c (stage): Adjust.
15113 Report only when trace_flag.
15115 2002-07-29 Akim Demaille <akim@epita.fr>
15117 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
15119 (errs_t): symbol_t*, not symbol_number_t.
15120 (reductions_t): rule_t*, not rule_number_t.
15121 (FOR_EACH_SHIFT): New.
15122 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
15123 * src/print.c, src/print_graph.c: Adjust.
15125 2002-07-29 Akim Demaille <akim@epita.fr>
15127 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
15129 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
15130 (endtoken, accept): these.
15131 * src/reader.c (reader): Set endtoken's default tag to "$end".
15132 Set undeftoken's tag to "$undefined" instead of "$undefined.".
15133 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
15136 2002-07-29 Akim Demaille <akim@epita.fr>
15138 * src/reduce.c (reduce_grammar): When the language is empty,
15139 complain about the start symbol, not the axiom.
15141 * tests/reduce.at (Empty Language): New.
15143 2002-07-26 Akim Demaille <akim@epita.fr>
15145 * src/reader.h, src/reader.c (gram_error): ... can't get
15146 yycontrol without making too strong assumptions on the parser
15148 * src/output.c (prepare_tokens): Use the real 0th value of
15149 token_translations instead of `0'.
15150 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
15152 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
15153 for the time being: %locations ought to provide it to yyerror.
15155 2002-07-25 Akim Demaille <akim@epita.fr>
15157 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
15158 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
15159 * tests/regression.at (Web2c Actions): Adjust.
15161 2002-07-25 Akim Demaille <akim@epita.fr>
15163 Stop storing rules from 1 to nrules + 1.
15165 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
15166 * src/nullable.c, src/output.c, src/print.c, src/reader.c
15167 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
15168 Iterate from 0 to nrules.
15169 Use rule_number_as_item_number and item_number_as_rule_number.
15170 Adjust to `derive' now containing possibly 0.
15171 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
15172 Handle the `- 1' part in rule numbers from/to item numbers.
15173 * src/conflicts.c (log_resolution): Fix the message which reversed
15175 * src/output.c (action_row): Initialize default_rule to -1.
15176 (token_actions): Adjust.
15177 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
15179 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
15181 2002-07-25 Akim Demaille <akim@epita.fr>
15183 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
15184 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
15185 (b4_c_knr_arg_decl): New.
15186 * data/yacc.c: Use it to define yysymprint, yydestruct, and
15187 yyreport_parse_error.
15189 2002-07-25 Akim Demaille <akim@epita.fr>
15191 * data/yacc.c (yyreport_parse_error): New, extracted from...
15193 (yydestruct, yysymprint): Move above yyparse.
15196 2002-07-25 Akim Demaille <akim@epita.fr>
15198 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
15200 (b4_sint_type, b4_uint_type): these.
15201 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
15202 * tests/regression.at (Web2c Actions): Adjust.
15204 2002-07-25 Akim Demaille <akim@epita.fr>
15206 * src/gram.h (TIEM_NUMBER_MAX): New.
15207 (item_number_of_rule_number, rule_number_of_item_number): Rename
15209 (rule_number_as_item_number, item_number_as_rule_number): these.
15210 Adjust dependencies.
15211 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
15212 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
15213 (symbol_number_to_vector_number): New.
15214 (order): Of vector_number_t* type.
15215 (base_t, BASE_MAX, BASE_MIN): New.
15216 (froms, tos, width, pos, check): Of base_t type.
15217 (action_number_t, ACTION_MIN, ACTION_MAX): New.
15218 (actrow): Of action_number_t type.
15219 (conflrow): Of unsigned int type.
15220 (table_ninf, base_ninf): New.
15221 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
15222 (muscle_insert_int_table, muscle_insert_base_table)
15223 (muscle_insert_rule_number_table): New.
15224 (prepare_tokens): Output `toknum' as int_table.
15225 (action_row): Returns a rule_number_t.
15226 Use ACTION_MIN, not SHRT_MIN.
15227 (token_actions): yydefact is rule_number_t*.
15228 (table_ninf_remap): New.
15229 (pack_table): Use it for `base' and `table'.
15230 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
15232 (YYPACT_NINF, YYTABLE_NINF): these.
15233 (yypact, yytable): Compute their types instead of hard-coded
15235 * tests/regression.at (Web2c Actions): Adjust.
15237 2002-07-19 Akim Demaille <akim@epita.fr>
15239 * src/scan-gram.l (id): Can start with an underscore.
15241 2002-07-16 Akim Demaille <akim@epita.fr>
15243 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
15244 Adjust all former `associativity' dependencies.
15245 * src/symtab.c (symbol_new): Default associativity is `undef', not
15247 (symbol_check_alias_consistence): Adjust.
15249 2002-07-09 Akim Demaille <akim@epita.fr>
15251 * doc/bison.texinfo: Properly set the ``header'' part.
15252 Use @dircategory ``GNU programming tools'' as per Texinfo's
15256 2002-07-09 Akim Demaille <akim@epita.fr>
15258 * lib/quotearg.h: Protect against multiple inclusions.
15259 * src/location.h (location_t): Add a `file' member.
15260 (LOCATION_RESET, LOCATION_PRINT): Adjust.
15261 * src/complain.c (warn_at, complain_at, fatal_at): Drop
15262 `error_one_per_line' support.
15264 2002-07-09 Akim Demaille <akim@epita.fr>
15266 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
15267 * src/reader.c (lineno): Remove.
15268 Adjust all dependencies.
15269 (get_merge_function): Take a location and use complain_at.
15270 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
15271 * tests/regression.at (Invalid inputs, Mixing %token styles):
15274 2002-07-09 Akim Demaille <akim@epita.fr>
15276 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
15277 recovery rule, and forbid extensions when --yacc.
15278 (gram_error): Use complain_at.
15279 * src/reader.c (reader): Exit if there were parse errors.
15281 2002-07-09 Akim Demaille <akim@epita.fr>
15283 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
15284 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
15285 Reported by R Blake <blakers@mac.com>.
15287 2002-07-09 Akim Demaille <akim@epita.fr>
15289 * data/yacc.c: Output the copyright notive in the header.
15291 2002-07-03 Akim Demaille <akim@epita.fr>
15293 * src/output.c (froms, tos): Are state_number_t.
15294 (save_column): sp, sp1, and sp2 are state_number_t.
15295 (prepare): Rename `final' as `final_state_number', `nnts' as
15296 `nterms_number', `nrules' as `rules_number', `nstates' as
15297 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
15299 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
15300 * data/lalr1.cc (nsym_): Remove, unused.
15302 2002-07-03 Akim Demaille <akim@epita.fr>
15304 * src/lalr.h, src/lalr.c (goto_number_t): New.
15305 * src/lalr.c (goto_list_t): New.
15307 * src/nullable.c (rule_list_t): New.
15309 * src/types.h: Remove.
15311 2002-07-03 Akim Demaille <akim@epita.fr>
15313 * src/closure.c (print_fderives): Use rule_rhs_print.
15314 * src/derives.c (print_derives): Use rule_rhs_print.
15315 (rule_list_t): New, replaces `shorts'.
15316 (set_derives): Add comments.
15317 * tests/sets.at (Nullable, Firsts): Adjust.
15319 2002-07-03 Akim Demaille <akim@epita.fr>
15321 * src/output.c (prepare_actions): Free `tally' and `width'.
15322 (prepare_actions): Allocate and free `order'.
15323 * src/symtab.c (symbols_free): Free `symbols'.
15324 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
15325 * src/output.c (m4_invoke): Move to...
15326 * src/scan-skel.l: here.
15327 (<<EOF>>): Close yyout, and free its name.
15329 2002-07-03 Akim Demaille <akim@epita.fr>
15331 Fix some memory leaks, and fix a bug: state 0 was examined twice.
15333 * src/LR0.c (new_state): Merge into...
15334 (state_list_append): this.
15335 (new_states): Merge into...
15336 (generate_states): here.
15337 (set_states): Don't ensure a proper `errs' state member here, do it...
15338 * src/conflicts.c (conflicts_solve): here.
15339 * src/state.h, src/state.c: Comment changes.
15340 (state_t): Rename member `shifts' as `transitions'.
15341 Adjust all dependencies.
15342 (errs_new): For consistency, also take the values as argument.
15343 (errs_dup): Remove.
15344 (state_errs_set): New.
15345 (state_reductions_set, state_transitions_set): Assert that no
15346 previous value was assigned.
15348 (states_free): Use it.
15349 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
15350 temporary storage: use `errs' and `nerrs' as elsewhere.
15351 (set_conflicts): Allocate and free this `errs'.
15353 2002-07-02 Akim Demaille <akim@epita.fr>
15355 * lib/libiberty.h: New.
15356 * lib: Update the bitset implementation from upstream.
15357 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
15358 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
15359 * src/main.c: Adjust bitset stats calls.
15361 2002-07-01 Paul Eggert <eggert@twinsun.com>
15363 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
15364 char, so that negative chars don't collide with $.
15366 2002-06-30 Akim Demaille <akim@epita.fr>
15368 Have the GLR tests be `warning' checked, and fix the warnings.
15370 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
15371 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
15372 (yyremoveDeletes): `yyi' and `yyj' are size_t.
15373 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
15374 (yyaddDeferredAction): static.
15375 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
15376 (yyreportParseError): yyprefix is const.
15377 yytokenp is used only when verbose.
15378 (yy__GNUC__): Replace with __GNUC__.
15379 (yypdumpstack): yyi is size_t.
15380 (yypreference): Un-yy local variables and arguments, to avoid
15381 clashes with `yyr1'. Anyway, we are not in the user name space.
15382 (yytname_size): be an int, as is compared with ints.
15383 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
15385 * tests/cxx-gram.at: Use quotation to protect $1.
15386 Use AT_COMPILE to enable warnings hunts.
15387 Prototype yylex and yyerror.
15389 Include `string.h', not `strings.h'.
15390 Produce and prototype stmtMerge only when used.
15391 yylex takes a location.
15393 2002-06-30 Akim Demaille <akim@epita.fr>
15395 We spend a lot of time in quotearg, in particular when --verbose.
15397 * src/symtab.c (symbol_get): Store a quoted version of the key.
15398 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
15399 Adjust all callers.
15401 2002-06-30 Akim Demaille <akim@epita.fr>
15403 * src/state.h (reductions_t): Rename member `nreds' as num.
15404 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
15405 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
15407 2002-06-30 Akim Demaille <akim@epita.fr>
15409 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
15410 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
15411 (shifts_to): Rename as...
15412 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
15413 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
15414 (TRANSITION_IS_DISABLED, transitions_to): these.
15416 2002-06-30 Akim Demaille <akim@epita.fr>
15418 * src/print.c (print_shifts, print_gotos): Merge into...
15419 (print_transitions): this.
15420 (print_transitions, print_errs, print_reductions): Align the
15421 lookaheads columns.
15422 (print_core, print_transitions, print_errs, print_state,
15423 print_grammar): Output empty lines separator before, not after.
15424 (state_default_rule_compute): Rename as...
15425 (state_default_rule): this.
15426 * tests/conflicts.at (Defaulted Conflicted Reduction),
15427 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
15428 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
15430 2002-06-30 Akim Demaille <akim@epita.fr>
15432 Display items as we display rules.
15434 * src/gram.h, src/gram.c (rule_lhs_print): New.
15435 * src/gram.c (grammar_rules_partial_print): Use it.
15436 * src/print.c (print_core): Likewise.
15437 * tests/conflicts.at (Defaulted Conflicted Reduction),
15438 (Unresolved SR Conflicts): Adjust.
15439 (Unresolved SR Conflicts): Adjust and rename as...
15440 (Resolved SR Conflicts): this, as was meant.
15441 * tests/regression.at (Web2c Report): Adjust.
15443 2002-06-30 Akim Demaille <akim@epita.fr>
15445 * src/print.c (state_default_rule_compute): New, extracted from...
15446 (print_reductions): here.
15447 Pessimize, but clarify the code.
15448 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
15450 2002-06-30 Akim Demaille <akim@epita.fr>
15452 * src/output.c (action_row): Let default_rule be always a rule
15455 2002-06-30 Akim Demaille <akim@epita.fr>
15457 * src/closure.c (print_firsts, print_fderives, closure):
15458 Use BITSET_EXECUTE.
15459 * src/lalr.c (lookaheads_print): Likewise.
15460 * src/state.c (state_rule_lookaheads_print): Likewise.
15461 * src/print_graph.c (print_core): Likewise.
15462 * src/print.c (print_reductions): Likewise.
15463 * src/output.c (action_row): Likewise.
15464 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
15466 2002-06-30 Akim Demaille <akim@epita.fr>
15468 * src/print_graph.c: Use report_flag.
15470 2002-06-30 Akim Demaille <akim@epita.fr>
15472 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
15474 * src/relation.h, src/relation.c (traverse, relation_digraph)
15475 (relation_print, relation_transpose): New.
15477 2002-06-30 Akim Demaille <akim@epita.fr>
15479 * src/state.h, src/state.c (shifts_to): New.
15480 * src/lalr.c (build_relations): Use it.
15482 2002-06-30 Akim Demaille <akim@epita.fr>
15484 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
15485 (item_number_of_rule_number, rule_number_of_item_number): New.
15486 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
15487 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
15488 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
15489 Propagate their use.
15490 Much remains to be done, in particular wrt `shorts' from types.h.
15492 2002-06-30 Akim Demaille <akim@epita.fr>
15494 * src/symtab.c (symbol_new): Initialize the `printer' member.
15496 2002-06-30 Akim Demaille <akim@epita.fr>
15498 * src/LR0.c (save_reductions): Remove, replaced by...
15499 * src/state.h, src/state.c (state_reductions_set): New.
15500 (reductions, errs): Rename as...
15501 (reductions_t, errs_t): these.
15502 Adjust all dependencies.
15504 2002-06-30 Akim Demaille <akim@epita.fr>
15506 * src/LR0.c (state_list_t, state_list_append): New.
15507 (first_state, last_state): Now symbol_list_t.
15508 (this_state): Remove.
15509 (new_itemsets, append_states, save_reductions): Take a state_t as
15511 (set_states, generate_states): Adjust.
15512 (save_shifts): Remove, replaced by...
15513 * src/state.h, src/state.c (state_shifts_set): New.
15514 (shifts): Rename as...
15516 Adjust all dependencies.
15517 * src/state.h (state_t): Remove the `next' member.
15519 2002-06-30 Akim Demaille <akim@epita.fr>
15521 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
15524 2002-06-30 Akim Demaille <akim@epita.fr>
15526 Use hash.h for the state hash table.
15528 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
15529 (allocate_storage): Use state_hash_new.
15530 (free_storage): Use state_hash_free.
15531 (new_state, get_state): Adjust.
15532 * src/lalr.h, src/lalr.c (states): Move to...
15533 * src/states.h (state_t): Remove the `link' member, no longer
15535 * src/states.h, src/states.c: here.
15536 (state_hash_new, state_hash_free, state_hash_lookup)
15537 (state_hash_insert, states_free): New.
15538 * src/states.c (state_table, state_compare, state_hash): New.
15539 * src/output.c (output_actions): Do not free states now, since we
15540 still need to know the final_state number in `prepare', called
15541 afterwards. Do it...
15542 * src/main.c (main): here: call states_free after `output'.
15544 2002-06-30 Akim Demaille <akim@epita.fr>
15546 * src/state.h, src/state.c (state_new): New, extracted from...
15547 * src/LR0.c (new_state): here.
15548 * src/state.h (STATE_ALLOC): Move to...
15549 * src/state.c: here.
15550 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
15551 * src/state.h, src/state.c: here.
15553 2002-06-30 Akim Demaille <akim@epita.fr>
15555 * src/reader.c (gensym): Rename as...
15556 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
15557 (getsym): Rename as...
15558 (symbol_get): this.
15560 2002-06-30 Akim Demaille <akim@epita.fr>
15562 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
15563 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
15564 * src/output.c, src/print.c, src/print_graph.c: Propagate.
15565 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
15567 2002-06-30 Akim Demaille <akim@epita.fr>
15569 Make the test suite pass with warnings checked.
15571 * tests/actions.at (Printers and Destructors): Improve.
15572 Avoid unsigned vs. signed issues.
15573 * tests/calc.at: Don't exercise the scanner here, do it...
15574 * tests/input.at (Torturing the Scanner): here.
15576 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15578 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
15579 reorganize first lines parallel to yacc.c.
15581 2002-06-28 Akim Demaille <akim@epita.fr>
15583 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
15584 (b4_token_enum, b4_token_defines): New, factored from...
15585 * data/lalr1.cc, data/yacc.c, glr.c: here.
15587 2002-06-28 Akim Demaille <akim@epita.fr>
15589 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
15591 * src/output.c (merger_output): static.
15593 2002-06-28 Akim Demaille <akim@epita.fr>
15595 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
15596 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
15598 * src/output.c (save_row): Initialize all the variables to pacify GCC.
15600 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15602 Accumulated changelog for new GLR parsing features.
15604 * src/conflicts.c (count_total_conflicts): Change name to
15605 conflicts_total_count.
15606 * src/conflicts.h: Ditto.
15607 * src/output.c (token_actions): Use the new name.
15608 (output_conflicts): Change conflp => conflict_list_heads, and
15609 confl => conflict_list for better readability.
15610 * data/glr.c: Use the new names.
15611 * NEWS: Add self to GLR announcement.
15613 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
15615 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
15618 * data/bison.glr: Change name to glr.c
15619 * data/glr.c: Renamed from bison.glr.
15620 * data/Makefile.am: Add glr.c
15624 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
15625 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
15627 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15629 * data/bison.glr: Be sure to restore the
15630 current #line when returning to the skeleton contents after having
15631 exposed the input file's #line.
15633 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15635 * data/bison.glr: Bring up to date with changes to bison.simple.
15637 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15639 * data/bison.glr: Correct definitions that use b4_prefix.
15640 Various reformatting.
15641 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
15642 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
15643 yytokenp argument; now part of stack.
15644 (yychar): Define to behave as documented.
15645 (yyclearin): Ditto.
15647 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
15649 * src/reader.h: Add declaration for free_merger_functions.
15651 * src/reader.c (merge_functions): New variable.
15652 (get_merge_function): New function.
15653 (free_merger_functions): New function.
15654 (readgram): Check for %prec that is not followed by a symbol.
15655 Handle %dprec and %merge declarations.
15656 (packgram): Initialize dprec and merger fields in rules array.
15658 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
15659 conflict_list_cnt, conflict_list_free): New variables.
15660 (table_grow): Also grow conflict_table.
15661 (prepare_rules): Output dprec and merger tables.
15662 (conflict_row): New function.
15663 (action_row): Output conflict lists for GLR parser. Don't use
15664 default reduction in conflicted states for GLR parser so that there
15665 are spaces for the conflict lists.
15666 (save_row): Also save conflict information.
15667 (token_actions): Allocate conflict list.
15668 (merger_output): New function.
15669 (pack_vector): Pack conflict table, too.
15670 (output_conflicts): New function to output yyconflp and yyconfl.
15671 (output_check): Allocate conflict_tos.
15672 (output_actions): Output conflict tables, also.
15673 (output_skeleton): Output b4_mergers definition.
15674 (prepare): Output b4_max_rhs_length definition.
15675 Use 'bison.glr' as default skeleton for GLR parsers.
15677 * src/gram.c (glr_parser): New flag.
15678 (grammar_free): Call free_merger_functions.
15680 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
15681 all pairs of conflicting reductions, rather than just all tokens
15682 causing conflicts. Needed to size conflict tables.
15683 (conflicts_output): Modify call to count_rr_conflicts for new
15685 (conflicts_print): Ditto.
15686 (count_total_conflicts): New function.
15688 * src/reader.h (merger_list): New type.
15689 (merge_functions): New variable.
15691 * src/lex.h (tok_dprec, tok_merge): New token types.
15693 * src/gram.h (rule_s): Add dprec and merger fields.
15694 (glr_parser): New flag.
15696 * src/conflicts.h (count_total_conflicts): New function.
15698 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
15700 * doc/bison.texinfo (Generalized LR Parsing): New section.
15701 (GLR Parsers): New section.
15702 (Language and Grammar): Mention GLR parsing.
15703 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
15704 Correct typo ("tge" -> "the").
15706 * data/bison.glr: New skeleton for GLR parsing.
15708 * tests/cxx-gram.at: New tests for GLR parsing.
15710 * tests/testsuite.at: Include cxx-gram.at.
15712 * tests/Makefile.am: Add cxx-gram.at.
15714 * src/parse-gram.y:
15716 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
15718 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
15720 2002-06-27 Akim Demaille <akim@epita.fr>
15722 * src/options.h, src/options.c: Remove.
15723 * src/getargs.c (short_options, long_options): New.
15725 2002-06-27 Akim Demaille <akim@epita.fr>
15727 * data/bison.simple, data/bison.c++: Rename as...
15728 * data/yacc.c, data/lalr1.cc: these.
15729 * doc/bison.texinfo (Environment Variables): Remove.
15731 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
15733 * src/getargs.c (report_argmatch): Initialize strtok().
15735 2002-06-20 Akim Demaille <akim@epita.fr>
15737 * data/bison.simple (b4_symbol_actions): New, replaces...
15738 (b4_symbol_destructor, b4_symbol_printer): these.
15739 (yysymprint): Be sure to call YYPRINT only for tokens, and using
15740 user token numbers.
15742 2002-06-20 Akim Demaille <akim@epita.fr>
15744 * data/bison.simple (yydestructor): Rename as...
15745 (yydestruct): this.
15747 2002-06-20 Akim Demaille <akim@epita.fr>
15749 * src/symtab.h, src/symtab.c (symbol_type_set)
15750 (symbol_destructor_set, symbol_precedence_set): The location is
15752 Adjust all callers.
15754 2002-06-20 Akim Demaille <akim@epita.fr>
15756 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
15758 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
15760 * src/symtab.h, src/symtab.c (symbol_class_set)
15761 (symbol_user_token_number_set): Likewise.
15762 Adjust all callers.
15763 Promote complain_at.
15764 * tests/input.at (Type Clashes): Adjust.
15766 2002-06-20 Akim Demaille <akim@epita.fr>
15768 * data/bison.simple (YYLEX): Fix the declaration when
15771 2002-06-20 Akim Demaille <akim@epita.fr>
15773 * data/bison.simple (yysymprint): Don't print the token number,
15775 * tests/actions.at (Destructors): Rename as...
15776 (Printers and Destructors): this.
15777 Also exercise %printer.
15779 2002-06-20 Akim Demaille <akim@epita.fr>
15781 * data/bison.simple (YYDSYMPRINT): New.
15782 Use it to remove many of the #if YYDEBUG/if (yydebug).
15784 2002-06-20 Akim Demaille <akim@epita.fr>
15786 * src/symtab.h, src/symtab.c (symbol_t): printer and
15787 printer_location are new members.
15788 (symbol_printer_set): New.
15789 * src/parse-gram.y (PERCENT_PRINTER): New token.
15790 Handle its associated rule.
15791 * src/scan-gram.l: Adjust.
15792 (handle_destructor_at, handle_destructor_dollar): Rename as...
15793 (handle_symbol_code_at, handle_symbol_code_dollar): these.
15794 * src/output.c (symbol_printers_output): New.
15795 (output_skeleton): Call it.
15796 * data/bison.simple (yysymprint): New. Cannot be named yyprint
15797 since there are already many grammar files with a user `yyprint'.
15798 Replace the calls to YYPRINT to calls to yysymprint.
15799 * tests/calc.at: Adjust.
15800 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
15801 taking advantage of parser very internal details (stack size!).
15803 2002-06-20 Akim Demaille <akim@epita.fr>
15805 * src/scan-gram.l: Complete the scanner with the missing patterns
15807 Use `quote' and `symbol_tag_get' where appropriate.
15809 2002-06-19 Akim Demaille <akim@epita.fr>
15811 * tests/actions.at (Destructors): Augment to test locations.
15812 * data/bison.simple (yydestructor): Pass it the current location
15813 if locations are enabled.
15814 Prototype only when __STDC__ or C++.
15815 Change the argument names to move into the yy name space: there is
15818 2002-06-19 Akim Demaille <akim@epita.fr>
15820 * data/bison.simple (b4_pure_if): New.
15821 Use it instead of #ifdef YYPURE.
15823 2002-06-19 Akim Demaille <akim@epita.fr>
15825 * data/bison.simple (b4_location_if): New.
15826 Use it instead of #ifdef YYLSP_NEEDED.
15828 2002-06-19 Akim Demaille <akim@epita.fr>
15830 Prepare @$ in %destructor, but currently don't bind it in the
15831 skeleton, as %location use is not cleaned up yet.
15833 * src/scan-gram.l (handle_dollar, handle_destructor_at)
15834 (handle_action_at): New.
15835 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
15836 a braced_code_t and a location as additional arguments.
15837 (handle_destructor_dollar): Instead of requiring `b4_eval', just
15838 unquote one when outputting `b4_dollar_dollar'.
15840 * data/bison.simple (b4_eval): Remove.
15841 (b4_symbol_destructor): Adjust.
15842 * tests/input.at (Invalid @n): Adjust.
15844 2002-06-19 Zack Weinberg <zack@codesourcery.com>
15846 * doc/bison.texinfo: Document ability to have multiple
15849 2002-06-18 Akim Demaille <akim@epita.fr>
15851 * src/files.c (compute_base_names): When computing the output file
15852 names from the input file name, strip the directory part.
15854 2002-06-18 Akim Demaille <akim@epita.fr>
15856 * data/bison.simple.new: Comment changes.
15857 Reported by Andreas Schwab.
15859 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
15861 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
15862 there are no `label `yyoverflowlab' defined but not used' warnings
15863 when yyoverflow is defined.
15865 2002-06-18 Akim Demaille <akim@epita.fr>
15867 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
15869 (symbol_destructor_set): Adjust.
15870 * src/output.c (symbol_destructors_output): Output the destructor
15872 Output the symbol name.
15873 * data/bison.simple (b4_symbol_destructor): Adjust.
15875 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
15876 and Akim Demaille <akim@epita.fr>
15878 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
15879 what's left on the stack when the error recovery hits EOF.
15880 * tests/actions.at (Destructors): Complete to exercise this case.
15882 2002-06-17 Akim Demaille <akim@epita.fr>
15884 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
15885 arguments is really empty, not only equal to `[]'.
15886 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
15888 (symbol_destructor_set): New.
15889 * src/output.c (symbol_destructors_output): New.
15890 * src/reader.h (brace_code_t, current_braced_code): New.
15891 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
15892 (handle_dollar): Rename as...
15893 (handle_action_dollar): this.
15894 (handle_destructor_dollar): New.
15895 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
15896 (grammar_declaration): Use it.
15897 * data/bison.simple (yystos): Is always defined.
15898 (yydestructor): New.
15899 * tests/actions.at (Destructors): New.
15900 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
15902 2002-06-17 Akim Demaille <akim@epita.fr>
15904 * src/symlist.h, src/symlist.c (symbol_list_length): New.
15905 * src/scan-gram.l (handle_dollar, handle_at): Compute the
15906 rule_length only when needed.
15907 * src/output.c (actions_output, token_definitions_output): Output
15909 * src/symtab.c: Don't access directly to the symbol tag, use
15911 * src/parse-gram.y: Use symbol_list_free.
15913 2002-06-17 Akim Demaille <akim@epita.fr>
15915 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
15916 (symbol_list_prepend, get_type_name): Move to...
15917 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
15918 (symbol_list_prepend, symbol_list_n_type_name_get): here.
15919 Adjust all callers.
15920 (symbol_list_free): New.
15921 * src/scan-gram.l (handle_dollar): Takes a location.
15922 * tests/input.at (Invalid $n): Adjust.
15924 2002-06-17 Akim Demaille <akim@epita.fr>
15926 * src/reader.h, src/reader.c (symbol_list_new): Export it.
15927 (symbol_list_prepend): New.
15928 * src/parse-gram.y (%union): `list' is a new member.
15929 (symbols.1): New, replaces...
15930 (terms_to_prec.1, nterms_to_type.1): these.
15931 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
15932 Take a location as additional argument.
15933 Adjust all callers.
15935 2002-06-15 Akim Demaille <akim@epita.fr>
15937 * src/parse-gram.y: Move %token in the declaration section so that
15938 we don't depend upon CVS Bison.
15940 2002-06-15 Akim Demaille <akim@epita.fr>
15942 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
15943 * src/print.c (print_core): Use it.
15945 2002-06-15 Akim Demaille <akim@epita.fr>
15947 * src/conflicts.c (log_resolution): Accept the rule involved in
15948 the sr conflicts instead of the lookahead number that points to
15950 (flush_reduce): Accept the current lookahead vector as argument,
15951 instead of the index in LA.
15952 (resolve_sr_conflict): Accept the current number of lookahead
15953 bitset to consider for the STATE, instead of the index in LA.
15954 (set_conflicts): Adjust.
15955 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
15957 2002-06-15 Akim Demaille <akim@epita.fr>
15959 * src/state.h (state_t): Replace the `lookaheadsp' member, a
15960 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
15961 Adjust all dependencies.
15962 * src/lalr.c (initialize_lookaheads): Split into...
15963 (states_lookaheads_count, states_lookaheads_initialize): these.
15966 2002-06-15 Akim Demaille <akim@epita.fr>
15968 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
15970 (grammar_rules_print): here.
15971 * src/reduce.c (reduce_output): Use it.
15972 * tests/reduce.at (Useless Rules, Reduced Automaton)
15973 (Underivable Rules): Adjust.
15975 2002-06-15 Akim Demaille <akim@epita.fr>
15977 Copy BYacc's nice way to report the grammar.
15979 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
15981 Don't print the rules' location, it is confusing and useless.
15982 (rule_print): Use grammar_rhs_print.
15983 * src/print.c (print_grammar): Use grammar_rules_print.
15985 2002-06-15 Akim Demaille <akim@epita.fr>
15987 Complete and rationalize `useless thing' warnings.
15989 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
15990 (symbol_tag_print): New.
15991 Use them everywhere in place of accessing directly the tag member.
15992 * src/gram.h, src/gram.c (rule_print): New.
15993 Use it where a rule used to be printed `by hand'.
15994 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
15995 (reduce_grammar_tables): Report the useless rules.
15996 (reduce_print): Useless things are a warning, not an error.
15998 * tests/reduce.at (Useless Nonterminals, Useless Rules):
15999 (Reduced Automaton, Underivable Rules): Adjust.
16000 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
16001 * tests/conflicts.at (Unresolved SR Conflicts)
16002 (Solved SR Conflicts): Adjust.
16004 2002-06-15 Akim Demaille <akim@epita.fr>
16006 Let symbols have a location.
16008 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
16010 Adjust all callers.
16011 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
16012 Use location_t, not int.
16013 * src/symtab.c (symbol_check_defined): Take advantage of the
16015 * tests/regression.at (Invalid inputs): Adjust.
16017 2002-06-15 Akim Demaille <akim@epita.fr>
16019 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
16020 (input): Don't try to initialize yylloc here, do it in the
16022 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
16023 * src/gram.h (rule_t): Change line and action_line into location
16024 and action_location, of location_t type.
16025 Adjust all dependencies.
16026 * src/location.h, src/location.c (empty_location): New.
16027 * src/reader.h, src/reader.c (grammar_start_symbol_set)
16028 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
16029 (grammar_current_rule_symbol_append)
16030 (grammar_current_rule_action_append): Expect a location as argument.
16031 * src/reader.c (grammar_midrule_action): Adjust to attach an
16032 action's location as dummy symbol location.
16033 * src/symtab.h, src/symtab.c (startsymbol_location): New.
16034 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
16037 2002-06-14 Akim Demaille <akim@epita.fr>
16039 Grammar declarations may be found in the grammar section.
16041 * src/parse-gram.y (rules_or_grammar_declaration): New.
16042 (declarations): Each declaration may end with a semicolon, not
16044 (grammar_declaration): `"%union"'.
16045 (grammar): Branch to rules_or_grammar_declaration.
16047 2002-06-14 Akim Demaille <akim@epita.fr>
16049 * src/main.c (main): Invoke scanner_free.
16051 2002-06-14 Akim Demaille <akim@epita.fr>
16053 * src/output.c (m4_invoke): Extracted from...
16054 (output_skeleton): here.
16057 2002-06-14 Akim Demaille <akim@epita.fr>
16059 * src/parse-gram.y (directives, directive, gram)
16060 (grammar_directives, precedence_directives, precedence_directive):
16062 (declarations, declaration, grammar, grammar_declaration)
16063 (precedence_declaration, precedence_declarator): these.
16064 (symbol_declaration): New.
16066 2002-06-14 Akim Demaille <akim@epita.fr>
16068 * src/files.c (action_obstack): Remove, unused.
16069 (output_obstack): Remove it, and all its dependencies, as it is no
16071 * src/reader.c (epilogue_set): Build the epilogue in the
16073 * src/output.h, src/output.c (muscle_obstack): Move to...
16074 * src/muscle_tab.h, src/muscle_tab.h: here.
16075 (muscle_init): Initialize muscle_obstack.
16076 (muscle_free): New.
16077 * src/main.c (main): Call it.
16079 2002-06-14 Akim Demaille <akim@epita.fr>
16081 * src/location.h: New, extracted from...
16082 * src/reader.h: here.
16083 * src/Makefile.am (noinst_HEADERS): Merge into
16084 (bison_SOURCES): this.
16086 * src/parse-gram.y: Use location_t instead of Bison's.
16087 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
16088 Use location_t instead of ints.
16090 2002-06-14 Akim Demaille <akim@epita.fr>
16092 * data/bison.simple, data/bison.c++: Be sure to restore the
16093 current #line when returning to the skeleton contents after having
16094 exposed the input file's #line.
16096 2002-06-12 Akim Demaille <akim@epita.fr>
16098 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
16100 * tests/actions.at (Exotic Dollars): New.
16102 2002-06-12 Akim Demaille <akim@epita.fr>
16104 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
16106 * tests/input.at (Torturing the Scanner): New.
16108 2002-06-11 Akim Demaille <akim@epita.fr>
16110 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
16111 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
16112 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
16113 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
16114 * src/reader.c (reader): Use it.
16116 2002-06-11 Akim Demaille <akim@epita.fr>
16118 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
16119 Adjust all callers.
16120 (scanner_last_string_free): New.
16122 2002-06-11 Akim Demaille <akim@epita.fr>
16124 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
16125 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
16126 (last_string, YY_OBS_FREE): New.
16127 Use them when returning an ID.
16129 2002-06-11 Akim Demaille <akim@epita.fr>
16131 Have Bison grammars parsed by a Bison grammar.
16133 * src/reader.c, src/reader.h (prologue_augment): New.
16134 * src/reader.c (copy_definition): Remove.
16136 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
16137 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
16138 (grammar_current_rule_prec_set, grammar_current_rule_check)
16139 (grammar_current_rule_symbol_append)
16140 (grammar_current_rule_action_append): Export.
16141 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
16142 (symbol_list_action_append): Remove.
16143 Hook the routines from reader.
16144 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
16145 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
16147 * src/reader.c (read_declarations): Remove, unused.
16149 * src/parse-gram.y: Handle the epilogue.
16150 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
16151 (grammar_start_symbol_set): this.
16152 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
16153 * src/reader.c (readgram): Remove, unused.
16154 (reader): Adjust to insert eoftoken and axiom where appropriate.
16156 * src/reader.c (copy_dollar): Replace with...
16157 * src/scan-gram.h (handle_dollar): this.
16158 * src/parse-gram.y: Remove `%thong'.
16160 * src/reader.c (copy_at): Replace with...
16161 * src/scan-gram.h (handle_at): this.
16163 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
16166 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
16169 * src/reader.h, src/reader.c (grammar_rule_end): New.
16171 * src/parse.y (current_type, current_class): New.
16172 Implement `%nterm', `%token' support.
16173 Merge `%term' into `%token'.
16174 (string_as_id): New.
16175 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
16178 * src/parse-gram.y: Be sure to handle properly the beginning of
16181 * src/parse-gram.y: Handle %type.
16182 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
16184 * src/parse-gram.y: More directives support.
16185 * src/options.c: No longer handle source directives.
16187 * src/parse-gram.y: Fix %output.
16189 * src/parse-gram.y: Handle %union.
16190 Use the prologue locations.
16191 * src/reader.c (parse_union_decl): Remove.
16193 * src/reader.h, src/reader.c (epilogue_set): New.
16194 * src/parse-gram.y: Use it.
16196 * data/bison.simple, data/bison.c++: b4_stype is now either not
16197 defined, then default to int, or to the contents of %union,
16198 without `union' itself.
16200 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
16202 * src/output.c (actions_output): Don't output braces, as they are
16203 already handled by the scanner.
16205 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
16206 characters to themselves.
16208 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
16209 that the epilogue has a proper #line.
16211 * src/parse-gram.y: Handle precedence/associativity.
16213 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
16215 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
16216 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
16217 at all to define terminals that cannot be emitted.
16219 * src/scan-gram.l: Escape M4 characters.
16221 * src/scan-gram.l: Working properly with escapes in user
16222 strings/characters.
16224 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
16225 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
16227 Use more modest sizes, as for the time being the parser does not
16228 release memory, and therefore the process swallows a huge amount
16231 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
16232 stricter %token grammar.
16234 * src/symtab.h (associativity): Add `undef_assoc'.
16235 (symbol_precedence_set): Do nothing when passed an undef_assoc.
16236 * src/symtab.c (symbol_check_alias_consistence): Adjust.
16238 * tests/regression.at (Invalid %directive): Remove, as it is now
16240 (Invalid inputs): Adjust to the new error messages.
16241 (Token definitions): The new grammar doesn't allow too many
16244 * src/lex.h, src/lex.c: Remove.
16245 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
16246 (copy_character, copy_string2, copy_string, copy_identifier)
16247 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
16248 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
16249 (parse_action): Remove.
16250 * po/POTFILES.in: Adjust.
16252 2002-06-11 Akim Demaille <akim@epita.fr>
16254 * src/reader.c (parse_action): Don't store directly into the
16255 rule's action member: return the action as a string.
16256 Don't require `rule_length' as an argument: compute it.
16257 (grammar_current_rule_symbol_append)
16258 (grammar_current_rule_action_append): New, eved out from
16260 Remove `action_flag', `rulelength', unused now.
16262 2002-06-11 Akim Demaille <akim@epita.fr>
16264 * src/reader.c (grammar_current_rule_prec_set).
16265 (grammar_current_rule_check): New, eved out from...
16267 Remove `xaction', `first_rhs': useless.
16268 * tests/input.at (Type clashes): New.
16269 * tests/existing.at (GNU Cim Grammar): Adjust.
16271 2002-06-11 Akim Demaille <akim@epita.fr>
16273 * src/reader.c (grammar_midrule_action): New, Eved out from
16276 2002-06-11 Akim Demaille <akim@epita.fr>
16278 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
16280 (readgram): Use them as replacement of inlined code, crule and
16283 2002-06-11 Akim Demaille <akim@epita.fr>
16285 * src/reader.c (grammar_end, grammar_symbol_append): New.
16286 (readgram): Use them.
16287 Make the use of `p' as local as possible.
16289 2002-06-10 Akim Demaille <akim@epita.fr>
16291 GCJ's parser requires the tokens to be defined before the prologue.
16293 * data/bison.simple: Output the token definition before the user's
16295 * tests/regression.at (Braces parsing, Duplicate string)
16296 (Mixing %token styles): Check the output from bison.
16297 (Early token definitions): New.
16299 2002-06-10 Akim Demaille <akim@epita.fr>
16301 * src/symtab.c (symbol_user_token_number_set): Don't complain when
16302 assigning twice the same user number to a token, so that we can
16304 * src/lex.c (lex): here.
16305 Also use `symbol_class_set' instead of hand written code.
16306 * src/reader.c (parse_assoc_decl): Likewise.
16308 2002-06-10 Akim Demaille <akim@epita.fr>
16310 * src/symtab.c, src/symtab.c (symbol_class_set)
16311 (symbol_user_token_number_set): New.
16312 * src/reader.c (parse_token_decl): Use them.
16313 Use a switch instead of ifs.
16314 Use a single argument.
16316 2002-06-10 Akim Demaille <akim@epita.fr>
16318 Remove `%thong' support as it is undocumented, unused, duplicates
16319 `%token's job, and creates useless e-mail traffic with people who
16320 want to know what it is, why it is undocumented, unused, and
16321 duplicates `%token's job.
16323 * src/reader.c (parse_thong_decl): Remove.
16324 * src/options.c (option_table): Remove "thong".
16325 * src/lex.h (tok_thong): Remove.
16327 2002-06-10 Akim Demaille <akim@epita.fr>
16329 * src/symtab.c, src/symtab.c (symbol_type_set)
16330 (symbol_precedence_set): New.
16331 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
16332 (value_components_used): Remove, unused.
16334 2002-06-09 Akim Demaille <akim@epita.fr>
16336 Move symbols handling code out of the reader.
16338 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
16339 (axiom): Move to...
16340 * src/symtab.h, src/symtab.c: here.
16342 * src/gram.c (start_symbol): Remove: use startsymbol->number.
16343 * src/reader.c (startval): Rename as...
16344 * src/symtab.h, src/symtab.c (startsymbol): this.
16345 * src/reader.c: Adjust.
16347 * src/reader.c (symbol_check_defined, symbol_make_alias)
16348 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
16349 (token_translations_init)
16351 * src/symtab.c: here.
16352 * src/reader.c (packsymbols): Move to...
16353 * src/symtab.h, src/symtab.c (symbols_pack): here.
16354 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
16357 2002-06-03 Akim Demaille <akim@epita.fr>
16359 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
16362 2002-06-03 Akim Demaille <akim@epita.fr>
16364 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
16365 structs with non literals.
16366 * src/scan-skel.l: never-interactive.
16367 * src/conflicts.c (enum conflict_resolution_e): No trailing
16369 * src/getargs.c (usage): Split long literal strings.
16370 Reported by Hans Aberg.
16372 2002-05-28 Akim Demaille <akim@epita.fr>
16374 * data/bison.c++: Use C++ ostreams.
16375 (cdebug_): New member.
16377 2002-05-28 Akim Demaille <akim@epita.fr>
16379 * src/output.c (output_skeleton): Be sure to allocate enough room
16380 for `/' _and_ for `\0' in full_skeleton.
16382 2002-05-28 Akim Demaille <akim@epita.fr>
16384 * data/bison.c++: Catch up with bison.simple:
16385 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16386 and Paul Eggert <eggert@twinsun.com>: `error' handing.
16387 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
16388 and popping traces.
16390 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16392 * src/output.c (output_skeleton): Put an explicit path in front of
16393 the skeleton file name, rather than relying on the -I directory,
16394 to partially alleviate effects of having a skeleton file lying around
16395 in the current directory.
16397 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16399 * src/conflicts.c (log_resolution): Correct typo:
16400 obstack_printf should be obstack_fgrow1.
16402 2002-05-26 Akim Demaille <akim@epita.fr>
16404 * src/state.h (state_t): `solved_conflicts' is a new member.
16405 * src/LR0.c (new_state): Set it to 0.
16406 * src/conflicts.h, src/conflicts.c (print_conflicts)
16407 (free_conflicts, solve_conflicts): Rename as...
16408 (conflicts_print, conflicts_free, conflicts_solve): these.
16410 * src/conflicts.c (enum conflict_resolution_e)
16411 (solved_conflicts_obstack): New, used by...
16412 (log_resolution): this.
16413 Adjust to attach the conflict resolution to each state.
16414 Complete the description with the precedence/associativity
16416 (resolve_sr_conflict): Adjust.
16417 * src/print.c (print_state): Output its solved_conflicts.
16418 * tests/conflicts.at (Unresolved SR Conflicts)
16419 (Solved SR Conflicts): Exercise --report=all.
16421 2002-05-26 Akim Demaille <akim@epita.fr>
16423 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
16424 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
16425 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
16426 (token_number_t, item_number_as_token_number)
16427 (token_number_as_item_number, muscle_insert_token_number_table):
16429 (symbol_number_t, item_number_as_symbol_number)
16430 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
16431 these, since it is more appropriate.
16433 2002-05-26 Akim Demaille <akim@epita.fr>
16435 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
16437 * data/bison.simple (yystos) [YYDEBUG]: New.
16438 (yyparse) [YYDEBUG]: Display the symbols which are popped during
16440 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
16442 2002-05-25 Akim Demaille <akim@epita.fr>
16444 * doc/bison.texinfo (Debugging): Split into...
16445 (Tracing): this new section, its former contents, and...
16446 (Understanding): this new section.
16447 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
16449 (report_flag): this.
16450 Adjust all dependencies.
16451 (report_args, report_types, report_argmatch): New.
16452 (usage, getargs): Report/support -r, --report.
16454 (struct option_table_struct): Rename as..,
16455 (struct option_table_s): this.
16456 Rename the `set_flag' member to `flag' to match with getopt_long's
16458 * src/options.c (option_table): Split verbose into an entry for
16459 %verbose, and another for --verbose.
16460 Support --report/-r, so remove -r from the obsolete --raw.
16461 * src/print.c: Attach full item sets and lookaheads reports to
16462 report_flag instead of trace_flag.
16463 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
16465 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16466 and Paul Eggert <eggert@twinsun.com>
16468 * data/bison.simple (yyparse): Correct error handling to conform to
16469 POSIX and yacc. Specifically, after syntax error is discovered,
16470 do not reduce further before shifting the error token.
16471 Clean up the code a bit by removing the labels yyerrdefault,
16472 yyerrhandle, yyerrpop.
16473 * NEWS: Document the above.
16475 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16477 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
16478 type; it isn't always big enough, since it doesn't necessarily
16479 include non-terminals.
16480 (yytranslate): Expand definition of yy_token_number_type, so that
16481 the latter can be removed.
16482 (yy_token_number_type): Remove, only one use.
16483 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
16484 don't use TokenNumberType as element type.
16486 * tests/regression.at: Modify expected output to agree with change
16487 to yyr1 and yytranslate.
16489 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
16491 * src/reader.c (parse_action): Use copy_character instead of
16494 2002-05-13 Akim Demaille <akim@epita.fr>
16496 * tests/regression.at (Token definitions): Prototype yylex and
16499 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
16501 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
16502 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
16504 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
16506 2002-05-07 Akim Demaille <akim@epita.fr>
16508 * tests/synclines.at: Be sure to prototype yylex and yyerror to
16509 avoid GCC warnings.
16511 2002-05-07 Akim Demaille <akim@epita.fr>
16515 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
16516 over the RHS of each rule.
16517 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
16518 * src/state.h (state_t): Member `nitems' is unsigned short.
16519 * src/LR0.c (get_state): Adjust.
16520 * src/reader.c (packgram): Likewise.
16521 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
16523 (muscle_insert_int_table): Remove, unused.
16524 (prepare_rules): Remove `max'.
16526 2002-05-06 Akim Demaille <akim@epita.fr>
16528 * src/closure.c (print_firsts): Display of the symbol tags.
16529 (bitmatrix_print): Move to...
16530 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
16532 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
16534 2002-05-06 Akim Demaille <akim@epita.fr>
16536 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
16539 2002-05-06 Akim Demaille <akim@epita.fr>
16541 * src/LR0.c (new_state, get_state): Instead of using the global
16542 `kernel_size' and `kernel_base', have two new arguments:
16543 `core_size' and `core'.
16546 2002-05-06 Akim Demaille <akim@epita.fr>
16548 * src/reader.c (packgram): No longer end `ritem' with a 0
16549 sentinel: it is not used.
16551 2002-05-05 Akim Demaille <akim@epita.fr>
16553 New experimental feature: display the lookaheads in the report and
16556 * src/print (print_core): When --trace-flag, display the rules
16558 * src/print_graph.c (print_core): Likewise.
16559 Swap the arguments.
16562 2002-05-05 Akim Demaille <akim@epita.fr>
16564 * tests/torture.at (Many lookaheads): New test.
16566 2002-05-05 Akim Demaille <akim@epita.fr>
16568 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
16569 (GENERATE_MUSCLE_INSERT_TABLE): this.
16570 (output_int_table, output_unsigned_int_table, output_short_table)
16571 (output_token_number_table, output_item_number_table): Replace with...
16572 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
16573 (muscle_insert_short_table, muscle_insert_token_number_table)
16574 (muscle_insert_item_number_table): these.
16575 Adjust all callers.
16576 (prepare_tokens): Don't free `translations', since...
16577 * src/reader.h, src/reader.c (grammar_free): do it.
16579 * src/gram.h, src/gram.c (grammar_free): here.
16580 * data/bison.simple, data/bison.c++: b4_token_number_max is now
16583 2002-05-05 Akim Demaille <akim@epita.fr>
16585 * src/output.c (output_unsigned_int_table): New.
16586 (prepare_rules): `i' is unsigned.
16587 `prhs', `rline', `r2' are unsigned int.
16588 Rename muscle `rhs_number_max' as `rhs_max'.
16589 Output muscles `prhs_max', `rline_max', and `r2_max'.
16591 * data/bison.simple, data/bison.c++: Adjust to use these muscles
16592 to compute types instead of constant types.
16593 * tests/regression.at (Web2c Actions): Adjust.
16595 2002-05-04 Akim Demaille <akim@epita.fr>
16597 * src/symtab.h (SALIAS, SUNDEF): Rename as...
16598 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
16599 Adjust dependencies.
16600 * src/output.c (token_definitions_output): Be sure not to output a
16601 `#define 'a'' when fed with `%token 'a' "a"'.
16602 * tests/regression.at (Token definitions): New.
16604 2002-05-03 Paul Eggert <eggert@twinsun.com>
16606 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
16609 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
16611 * Makefile.am (SUBDIRS): Remove intl.
16612 (EXTRA_DIST): Add config/config.rpath.
16614 2002-05-03 Akim Demaille <akim@epita.fr>
16616 * data/bison.simple (m4_if): Don't output empty enums.
16617 And actually, output valid enum definitions :(.
16619 2002-05-03 Akim Demaille <akim@epita.fr>
16621 * configure.bat: Remove, completely obsolete.
16622 * Makefile.am (EXTRA_DIST): Adjust.
16623 Don't distribute config.rpath...
16624 * config/Makefile.am (EXTRA_DIST): Do it.
16626 2002-05-03 Akim Demaille <akim@epita.fr>
16628 * configure.in (GETTEXT_VERSION): New.
16629 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
16631 2002-05-03 Akim Demaille <akim@epita.fr>
16633 * data/bison.simple (b4_token_enum): New.
16634 (b4_token_defines): Use it to output tokens both as #define and
16636 Suggested by Paul Eggert.
16637 * src/output.c (token_definitions_output): Don't output spurious
16640 2002-05-03 Akim Demaille <akim@epita.fr>
16642 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
16644 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
16646 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
16647 Update the stack class, give a try to deque as the default container.
16649 2002-05-02 Akim Demaille <akim@epita.fr>
16651 * data/bison.simple (yyparse): Do not implement @$ = @1.
16652 (YYLLOC_DEFAULT): Adjust to do it.
16653 * doc/bison.texinfo (Location Default Action): Fix.
16655 2002-05-02 Akim Demaille <akim@epita.fr>
16657 * src/reader.c (parse_braces): Merge into...
16658 (parse_action): this.
16660 2002-05-02 Akim Demaille <akim@epita.fr>
16662 * configure.in (ALL_LINGUAS): Remove.
16663 * po/LINGUAS, hr.po: New.
16665 2002-05-02 Akim Demaille <akim@epita.fr>
16667 Remove the so called hairy (semantic) parsers.
16669 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
16670 * src/gram.h, src/gram.c (semantic_parser): Remove.
16671 (rule_t): Remove the guard and guard_line members.
16672 * src/lex.h (token_t): remove tok_guard.
16673 * src/options.c (option_table): Remove %guard and %semantic_parser
16675 * src/output.c, src/output.h (guards_output): Remove.
16677 (token_definitions_output): Don't output the `T'
16679 (output_skeleton): Don't output the guards.
16680 * src/files.c, src/files.c (attrsfile): Remove.
16681 * src/reader.c (symbol_list): Remove the guard and guard_line
16683 Adjust dependencies.
16684 (parse_guard): Remove.
16685 * data/bison.hairy: Remove.
16686 * doc/bison.texinfo (Environment Variables): Remove occurrences of
16689 2002-05-02 Akim Demaille <akim@epita.fr>
16691 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
16692 (parse_guard): Rename the formal argument `stack_offset' as
16693 `rule_length', which is more readable.
16695 (copy_at, copy_dollar): Instead of outputting the hard coded
16696 values of $$, $n and so forth, output invocation to b4_lhs_value,
16697 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
16698 Note: this patch partially drops `semantic-parser' support: it
16699 always does `rule_length - n', where semantic parsers ought to
16701 * data/bison.simple, data/bison.c++ (b4_lhs_value)
16702 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
16704 2002-05-02 Akim Demaille <akim@epita.fr>
16706 * configure.in (AC_INIT): Bump to 1.49b.
16707 (AM_INIT_AUTOMAKE): Short invocation.
16709 2002-05-02 Akim Demaille <akim@epita.fr>
16713 2002-05-01 Akim Demaille <akim@epita.fr>
16715 * src/skeleton.h: Remove.
16717 2002-05-01 Akim Demaille <akim@epita.fr>
16719 * src/skeleton.h: Fix the #endif.
16720 Reported by Magnus Fromreide.
16722 2002-04-26 Paul Eggert <eggert@twinsun.com>
16724 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
16725 Define if we define YYSTYPE and YYLTYPE, respectively.
16726 (YYCOPY): Fix [] quoting problem in the non-GCC case.
16728 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
16730 * src/scan-skel.l: Postprocess quadrigraphs.
16732 * src/reader.c (copy_character): New function, used to output
16733 single characters while replacing `[' and `]' with quadrigraphs, to
16734 avoid troubles with M4 quotes.
16735 (copy_comment): Output characters with copy_character.
16736 (read_additionnal_code): Likewise.
16737 (copy_string2): Likewise.
16738 (copy_definition): Likewise.
16740 * tests/calc.at: Exercise M4 quoting.
16742 2002-04-25 Akim Demaille <akim@epita.fr>
16744 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
16745 between `!' and the command.
16746 Reported by Paul Eggert.
16748 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
16750 * tests/calc.at: Exercise prologue splitting.
16752 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
16753 `b4_post_prologue' instead of `b4_prologue'.
16755 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
16757 (output): Free pre_prologue_obstack and post_prologue_obstack.
16758 * src/files.h, src/files.c (attrs_obstack): Remove.
16759 (pre_prologue_obstack, post_prologue_obstack): New.
16760 * src/reader.c (copy_definition): Add a parameter to specify the
16761 obstack to fill, instead of using attrs_obstack unconditionally.
16762 (read_declarations): Pass pre_prologue_obstack to copy_definition if
16763 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
16765 2002-04-23 Paul Eggert <eggert@twinsun.com>
16767 * data/bison.simple: Remove unnecessary commentary and white
16768 space differences from 1_29-branch.
16769 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
16771 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
16772 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
16773 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
16774 constructors or destructors.
16776 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
16778 2002-04-23 Akim Demaille <akim@epita.fr>
16780 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
16781 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
16782 location with columns.
16783 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
16784 All reported by Paul Eggert.
16786 2002-04-22 Akim Demaille <akim@epita.fr>
16788 * src/reduce.c (dump_grammar): Move to...
16789 * src/gram.h, src/gram.c (grammar_dump): here.
16790 Be sure to separate long item numbers.
16791 Don't read the members of a rule's prec if its nil.
16793 2002-04-22 Akim Demaille <akim@epita.fr>
16795 * src/output.c (table_size, table_grow): New.
16796 (MAXTABLE): Remove, replace uses with table_size.
16797 (pack_vector): Instead of dying when the table is too big, grow it.
16799 2002-04-22 Akim Demaille <akim@epita.fr>
16801 * data/bison.simple (yyr1): Its type is that of a token number.
16802 * data/bison.c++ (r1_): Likewise.
16803 * tests/regression.at (Web2c Actions): Adjust.
16805 2002-04-22 Akim Demaille <akim@epita.fr>
16807 * src/reader.c (token_translations_init): 256 is now the default
16808 value for the error token, i.e., it will be assigned another
16809 number if the user assigned 256 to one of her tokens.
16810 (reader): Don't force 256 to error.
16811 * doc/bison.texinfo (Symbols): Adjust.
16812 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
16813 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
16814 etc. instead of 10, 20, 30 (which was used to `jump' over error
16815 (256) and undefined (2)).
16817 2002-04-22 Akim Demaille <akim@epita.fr>
16819 Propagate more token_number_t.
16821 * src/gram.h (token_number_as_item_number)
16822 (item_number_as_token_number): New.
16823 * src/output.c (GENERATE_OUTPUT_TABLE): New.
16824 Use it to create output_item_number_table and
16825 output_token_number_table.
16826 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
16827 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
16828 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
16829 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
16831 2002-04-22 Akim Demaille <akim@epita.fr>
16833 * src/output.h, src/output.c (get_lines_number): Remove.
16835 2002-04-19 Akim Demaille <akim@epita.fr>
16837 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
16839 (Debugging): More details about enabling the debugging features.
16840 (Table of Symbols): Describe $$, $n, @$, and @n.
16841 Suggested by Tim Josling.
16843 2002-04-19 Akim Demaille <akim@epita.fr>
16845 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
16847 2002-04-10 Akim Demaille <akim@epita.fr>
16849 * src/system.h: Rely on HAVE_LIMITS_H.
16850 Suggested by Paul Eggert.
16852 2002-04-09 Akim Demaille <akim@epita.fr>
16854 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
16855 full stderr, and strip it according to the bison options, instead
16856 of composing the error message from different bits.
16857 This makes it easier to check for several error messages.
16858 Adjust all the invocations.
16859 Add an invocation exercising the error token.
16860 Add an invocation demonstrating a stupid error message.
16861 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
16863 Error message are for stderr, not stdout.
16865 2002-04-09 Akim Demaille <akim@epita.fr>
16867 * src/gram.h, src/gram.c (error_token_number): Remove, use
16869 * src/reader.c (reader): Don't specify the user token number (2)
16870 for $undefined, as it uselessly prevents using it.
16871 * src/gram.h (token_number_t): Move to...
16872 * src/symtab.h: here.
16873 (state_t.number): Is a token_number_t.
16874 * src/print.c, src/reader.c: Use undeftoken->number instead of
16876 (Even though this 2 is not the same as above: the number of the
16877 undeftoken remains being 2, it is its user token number which
16879 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
16880 `user_token_number_max'.
16881 Output `undef_token_number'.
16882 * data/bison.simple, data/bison.c++: Use them.
16883 Be sure to map invalid yylex return values to
16884 `undef_token_number'. This saves us from gratuitous SEGV.
16886 * tests/conflicts.at (Solved SR Conflicts)
16887 (Unresolved SR Conflicts): Adjust.
16888 * tests/regression.at (Web2c Actions): Adjust.
16890 2002-04-08 Akim Demaille <akim@epita.fr>
16892 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
16894 Remove the duplicate `typedefs'.
16895 (RhsNumberType): Fix the declaration and various other typos.
16897 * data/bison.simple: Use __ofile__.
16898 * src/scan-skel.l: Handle __ofile__.
16900 2002-04-08 Akim Demaille <akim@epita.fr>
16902 * src/gram.h (item_number_t): New, the type of item numbers in
16903 RITEM. Note that it must be able to code symbol numbers as
16904 positive number, and the negation of rule numbers as negative
16906 Adjust all dependencies (pretty many).
16907 * src/reduce.c (rule): Remove this `short *' pointer: use
16909 * src/system.h (MINSHORT, MAXSHORT): Remove.
16910 Include `limits.h'.
16911 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
16912 (shortcpy): Remove.
16913 (MAXTABLE): Move to...
16914 * src/output.c (MAXTABLE): here.
16915 (prepare_rules): Use output_int_table to output rhs.
16916 * data/bison.simple, data/bison.c++: Adjust.
16917 * tests/torture.at (Big triangle): Move the limit from 254 to
16919 * tests/regression.at (Web2c Actions): Ajust.
16921 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
16922 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
16923 passes, but produces negative #line number, once fixed, GCC is
16924 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
16926 * src/state.h (state_h): Code input lines on ints, not shorts.
16928 2002-04-08 Akim Demaille <akim@epita.fr>
16930 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
16931 and then the grammar.
16933 2002-04-08 Akim Demaille <akim@epita.fr>
16935 * src/system.h: No longer using strndup.
16937 2002-04-07 Akim Demaille <akim@epita.fr>
16939 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
16940 * src/output.c (output_table_data): Return the longest number.
16941 (prepare_tokens): Output `token_number_max').
16942 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
16944 Use them to define yy_token_number_type/TokenNumberType.
16945 Use this type for yytranslate.
16946 * tests/torture.at (Big triangle): Push the limit from 124 to
16948 * tests/regression.at (Web2c Actions): Adjust.
16950 2002-04-07 Akim Demaille <akim@epita.fr>
16952 * tests/torture.at (Big triangle): New.
16953 (GNU AWK Grammar, GNU Cim Grammar): Move to...
16954 * tests/existing.at: here.
16956 2002-04-07 Akim Demaille <akim@epita.fr>
16958 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
16960 Adjust dependencies.
16962 2002-04-07 Akim Demaille <akim@epita.fr>
16964 * src/reader.c: Normalize increments to prefix form.
16966 2002-04-07 Akim Demaille <akim@epita.fr>
16968 * src/reader.c, symtab.c: Remove debugging code.
16970 2002-04-07 Akim Demaille <akim@epita.fr>
16972 Rename all the `bucket's as `symbol_t'.
16974 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
16975 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
16976 * src/symtab.c, src/symtab.h (bucket): Rename as...
16978 (symbol_list_new, bucket_check_defined, bucket_make_alias)
16979 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
16980 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
16981 (buckets_new, buckets_free, buckets_do): Rename as...
16982 (symbol_list_new, symbol_check_defined, symbol_make_alias)
16983 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
16984 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
16985 (symbols_new, symbols_free, symbols_do): these.
16987 2002-04-07 Akim Demaille <akim@epita.fr>
16989 Use lib/hash for the symbol table.
16991 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
16993 * src/lex.c (lex): Set the `number' member of new terminals.
16994 * src/reader.c (bucket_check_defined, bucket_make_alias)
16995 (bucket_check_alias_consistence, bucket_translation): New.
16996 (reader, grammar_free, readgram, token_translations_init)
16997 (packsymbols): Adjust.
16998 (reader): Number the predefined tokens.
16999 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
17000 for predefined tokens.
17001 * src/symtab.h (bucket): Remove all the hash table related
17003 * src/symtab.c (symtab): Replace by...
17004 (bucket_table): this.
17005 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
17006 (buckets_new, buckets_do): New.
17008 2002-04-07 Akim Demaille <akim@epita.fr>
17010 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
17011 (start_symbol, max_user_token_number, semantic_parser)
17012 (error_token_number): Initialize.
17013 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
17016 (errtoken, eoftoken, undeftoken, axiom): Extern.
17018 2002-04-07 Akim Demaille <akim@epita.fr>
17020 * src/gram.h (rule_s): prec and precsym are now pointers
17021 to the bucket giving the priority/associativity.
17022 Member `associativity' removed: useless.
17023 * src/reduce.c, src/conflicts.c: Adjust.
17025 2002-04-07 Akim Demaille <akim@epita.fr>
17027 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
17028 Properly escape the symbols' TAG when outputting them.
17030 2002-04-07 Akim Demaille <akim@epita.fr>
17032 * src/lalr.h (LA): Is a bitsetv, not bitset*.
17034 2002-04-07 Akim Demaille <akim@epita.fr>
17036 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
17037 (LArule): this, which is an array to rule_t*.
17038 * src/print.c, src/conflicts.c: Adjust.
17040 2002-04-07 Akim Demaille <akim@epita.fr>
17042 * src/gram.h (rule_t): Rename `number' as `user_number'.
17043 `number' is a new member.
17044 Adjust dependencies.
17045 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
17047 2002-04-07 Akim Demaille <akim@epita.fr>
17049 As a result of the previous patch, it is no longer needed
17050 to reorder ritem itself.
17052 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
17054 2002-04-07 Akim Demaille <akim@epita.fr>
17056 Be sure never to walk through RITEMS, but use only data related to
17057 the rules themselves. RITEMS should be banished.
17059 * src/output.c (output_token_translations): Rename as...
17060 (prepare_tokens): this.
17061 In addition to `translate', prepare the muscles `tname' and
17062 `toknum', which were handled by...
17063 (output_rule_data): this.
17064 Remove, and move the remainder of its outputs into...
17065 (prepare_rules): this new routines, which also merges content from
17066 (output_gram): this.
17067 (prepare_rules): Be sure never to walk through RITEMS.
17068 (output_stos): Rename as...
17069 (prepare_stos): this.
17070 (output): Always invoke prepare_states, after all, just don't use it
17071 in the output if you don't need it.
17073 2002-04-07 Akim Demaille <akim@epita.fr>
17075 * src/LR0.c (new_state): Display `nstates' as the name of the
17076 newly created state.
17077 Adjust to initialize first_state and last_state if needed.
17078 Be sure to distinguish the initial from the final state.
17079 (new_states): Create the itemset of the initial state, and use
17081 * src/closure.c (closure): Now that the initial state has its
17082 items properly set, there is no need for a special case when
17083 creating `ruleset'.
17085 As a result, now the rule 0, reducing to $axiom, is visible in the
17086 outputs. Adjust the test suite.
17088 * tests/conflicts.at (Solved SR Conflicts)
17089 (Unresolved SR Conflicts): Adjust.
17090 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
17091 * tests/conflicts.at (S/R in initial): New.
17093 2002-04-07 Akim Demaille <akim@epita.fr>
17095 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
17096 the RHS of the rules.
17097 * src/output.c (output_gram): Likewise.
17099 2002-04-07 Akim Demaille <akim@epita.fr>
17101 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
17103 Adjust all dependencies.
17104 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
17105 `number' of the buckets too.
17106 * src/gram.h: Include `symtab.h'.
17107 (associativity): Move to...
17108 * src/symtab.h: here.
17109 No longer include `gram.h'.
17111 2002-04-07 Akim Demaille <akim@epita.fr>
17113 * src/gram.h, src/gram.c (rules_rhs_length): New.
17114 (ritem_longest_rhs): Use it.
17115 * src/gram.h (rule_t): `number' is a new member.
17116 * src/reader.c (packgram): Set it.
17117 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
17118 the end of `rules', and count them out of `nrules'.
17119 (reduce_output, dump_grammar): Adjust.
17120 * src/print.c (print_grammar): It is no longer needed to check for
17121 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
17122 * tests/reduce.at (Reduced Automaton): New test.
17124 2002-04-07 Akim Demaille <akim@epita.fr>
17126 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
17127 lacking `+ 1' to nrules, Bison reported as useless a token if it
17128 was used solely to set the precedence of the last rule...
17130 2002-04-07 Akim Demaille <akim@epita.fr>
17132 * data/bison.c++, data/bison.simple: Don't output the current file
17133 name in #line, to avoid useless diffs between two identical
17134 outputs under different names.
17136 2002-04-07 Akim Demaille <akim@epita.fr>
17138 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
17139 Normalize loops to using `< nrules + 1', not `<= nrules'.
17141 2002-04-07 Akim Demaille <akim@epita.fr>
17145 2002-04-07 Akim Demaille <akim@epita.fr>
17147 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
17148 bucket.value as bucket.number.
17150 2002-04-07 Akim Demaille <akim@epita.fr>
17152 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
17153 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
17154 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
17155 RHS, instead of being an index in RITEMS.
17157 2002-04-04 Paul Eggert <eggert@twinsun.com>
17159 * doc/bison.texinfo: Update copyright date.
17160 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
17161 (Symbols): Warn about running Bison in one character set,
17162 but compiling and/or running in an incompatible one.
17163 Warn about character code 256, too.
17165 2002-04-03 Paul Eggert <eggert@twinsun.com>
17167 * src/bison.data (YYSTACK_ALLOC): Depend on whether
17168 YYERROR_VERBOSE is nonzero, not whether it is defined.
17170 Merge changes from bison-1_29-branch.
17172 2002-03-20 Paul Eggert <eggert@twinsun.com>
17174 Merge fixes from Debian bison_1.34-1.diff.
17176 * configure.in (AC_PREREQ): 2.53.
17178 2002-03-20 Akim Demaille <akim@epita.fr>
17180 * src/conflicts.c (log_resolution): Argument `resolution' is const.
17182 2002-03-19 Paul Eggert <eggert@twinsun.com>
17184 * src/bison.simple (YYCOPY): New macro.
17185 (YYSTACK_RELOCATE): Use it.
17186 Remove Type arg; no longer needed. All callers changed.
17187 (yymemcpy): Remove; no longer needed.
17189 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
17190 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
17192 2002-03-19 Akim Demaille <akim@epita.fr>
17194 Test and fix the #line outputs.
17196 * tests/atlocal.at (GCC): New.
17197 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
17198 (Prologue synch line, %union synch line, Postprologue synch line)
17199 (Action synch line, Epilogue synch line): New tests.
17200 * src/reader.c (parse_union_decl): Define the muscle stype_line.
17201 * data/bison.simple, data/bison.c++: Use it.
17203 2002-03-19 Akim Demaille <akim@epita.fr>
17205 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
17206 (Solved SR Conflicts, %expect not enough, %expect right)
17207 (%expect too much): Move to...
17208 * tests/conflicts.at: this new file.
17210 2002-03-19 Akim Demaille <akim@epita.fr>
17212 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
17213 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
17214 that we can move to enums for instance.
17215 * src/output.c (token_definitions_output): Output a list of
17216 `token-name, token-number' instead of the #define.
17217 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
17219 2002-03-14 Akim Demaille <akim@epita.fr>
17221 Use Gettext 0.11.1.
17223 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
17225 * data/bison.c++: Make the user able to add members to the generated
17226 parser by subclassing.
17228 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
17230 * src/reader.c (read_additionnal_code): `c' should be an integer, not
17232 Reported by Nicolas Tisserand and Nicolas Burrus.
17234 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17236 * src/reader.c: Warn about lacking semi-colons, do not complain.
17238 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17240 * data/bison.c++: Remove a debug line.
17242 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
17244 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
17245 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
17246 provide a default implementation.
17248 2002-03-04 Akim Demaille <akim@epita.fr>
17250 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
17251 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
17252 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
17253 * tests/semantic.at (Parsing Guards): Similarly.
17254 * src/reader.at (readgram): Complain if the last rule is not ended
17257 2002-03-04 Akim Demaille <akim@epita.fr>
17259 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
17260 * src/closure.c: here.
17261 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
17263 * src/warshall.h, src/warshall.c: Remove.
17264 * tests/sets.at (Broken Closure): Adjust.
17266 2002-03-04 Akim Demaille <akim@epita.fr>
17268 * src/output.c (output_skeleton): tempdir is const.
17269 bytes_read is unused.
17271 2002-03-04 Akim Demaille <akim@epita.fr>
17273 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
17274 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
17276 From Michael Hayes.
17278 2002-03-04 Akim Demaille <akim@epita.fr>
17280 * src/closure.c (closure): `r' is unused.
17282 2002-03-04 Akim Demaille <akim@epita.fr>
17284 * tests/sets.at (Broken Closure): Add the ending `;'.
17285 * src/reader.at (readgram): Complain if a rule is not ended with a
17288 2002-03-04 Akim Demaille <akim@epita.fr>
17290 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
17291 (count_sr_conflicts): Use bitset_count.
17292 * src/reduce.c (inaccessable_symbols): Ditto.
17293 (bits_size): Remove.
17294 * src/warshall.h, src/warshall.c: Convert to bitsetv.
17296 2002-03-04 Akim Demaille <akim@epita.fr>
17298 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
17299 * src/reduce.c: Remove the `bitset_zero's following the
17300 `bitset_create's, as now it is performed by the latter.
17302 2002-03-04 Akim Demaille <akim@epita.fr>
17304 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
17305 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
17306 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
17307 latest sources from Michael.
17309 2002-03-04 Akim Demaille <akim@epita.fr>
17311 * src/output.c (output): Don't free the grammar.
17312 * src/reader.c (grammar_free): New.
17313 * src/main.c (main): Call it and don't free symtab here.
17315 2002-03-04 Akim Demaille <akim@epita.fr>
17317 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
17319 Reported by Benoit Perrot.
17321 2002-03-04 Akim Demaille <akim@epita.fr>
17323 Use bitset operations when possible, not loops over bits.
17325 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
17327 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
17328 * src/reduce.c (useless_nonterminals): Formatting changes.
17329 * src/warshall.c (TC): Use bitset_or.
17331 2002-03-04 Akim Demaille <akim@epita.fr>
17333 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
17334 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
17337 2002-03-04 Akim Demaille <akim@epita.fr>
17339 * src/lalr.c (F): Now a bitset*.
17340 Adjust all dependencies.
17342 2002-03-04 Akim Demaille <akim@epita.fr>
17344 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
17345 Adjust all dependencies.
17347 2002-03-04 Akim Demaille <akim@epita.fr>
17349 * src/L0.c, src/LR0.h (nstates): Be size_t.
17350 Adjust comparisons (signed vs unsigned).
17351 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
17353 Adjust all dependencies.
17355 2002-03-04 Akim Demaille <akim@epita.fr>
17357 * src/closure.c (firsts): Now, also a bitset.
17358 Adjust all dependencies.
17359 (varsetsize): Remove, now unused.
17360 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
17362 2002-03-04 Akim Demaille <akim@epita.fr>
17364 * src/print.c: Convert to use bitset.h, not hand coded iterations
17367 2002-03-04 Akim Demaille <akim@epita.fr>
17369 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
17371 2002-03-04 Akim Demaille <akim@epita.fr>
17373 * src/closure.c (ruleset): Be a bitset.
17374 (rulesetsize): Remove.
17376 2002-03-04 Akim Demaille <akim@epita.fr>
17378 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
17379 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
17380 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
17381 * src/closure.c (fderives): Be an array of bitsets.
17383 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
17385 * data/bison.c++: Merge the two generated headers. Insert a copyright
17386 notice in each output file.
17388 2002-02-28 Akim Demaille <akim@epita.fr>
17390 * data/bison.c++: Copy the prologue of bison.simple to fetch
17391 useful M4 definitions, such as b4_header_guard.
17393 2002-02-25 Akim Demaille <akim@epita.fr>
17395 * src/getargs.c (version): Give the name of the authors, and use a
17396 translator friendly scheme for the bgr
17399 2002-02-25 Akim Demaille <akim@epita.fr>
17401 * src/output.c (header_output): Remove, now handled completely via
17404 2002-02-25 Akim Demaille <akim@epita.fr>
17406 * m4/m4.m4: New, from CVS Autoconf.
17407 * configure.in: Invoke it.
17408 * src/output.c (output_skeleton): Use its result instead of the
17411 2002-02-25 Akim Demaille <akim@epita.fr>
17413 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
17415 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
17416 * src/output.c (output_skeleton): Use mkstemp to create a real
17418 Move the filling of `skeleton' and its muscle to...
17420 (output): Move the definition of the prologue muscle to...
17422 * src/system.h (DEFAULT_TMPDIR): New.
17424 2002-02-14 Paul Eggert <eggert@twinsun.com>
17426 Remove the support for C++ namespace cleanliness; it was
17427 causing more problems than it was curing, since it didn't work
17428 properly on some nonstandard C++ compilers. This can wait
17429 for a proper C++ parser.
17431 * NEWS: Document this.
17432 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
17433 of C++, as it's treated like C now.
17434 * src/bison.simple (YYSTD): Remove.
17435 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
17436 Treat C++ just like Standard C instead of trying to support
17437 namespace cleanliness.
17439 2002-02-14 Akim Demaille <akim@epita.fr>
17441 * tests/regression.at (else): Adjust to Andreas' change.
17443 2002-02-14 Akim Demaille <akim@epita.fr>
17445 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
17447 2002-02-13 Andreas Schwab <schwab@suse.de>
17449 * src/output.c (output_rule_data): Don't output NULL, it might
17450 not be defined yet.
17452 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
17454 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
17455 (Copyright notice): Update.
17457 2002-02-11 Akim Demaille <akim@epita.fr>
17459 * tests/regression.at (%nonassoc and eof): Don't include
17460 nonportable headers.
17462 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
17464 * data/bison.c++: Correct error recovery. Make the user able to
17465 initialize the starting location.
17467 2002-02-07 Akim Demaille <akim@epita.fr>
17469 * tests/input.at: New.
17471 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17473 * data/bison.c++: Replace some direct m4 expansions by constants. Be
17474 more consistent when naming methods and variables. Put preprocessor
17475 directives around tables only needed for debugging.
17477 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17479 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
17481 (yy::b4_name::parse): Use print_.
17483 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17485 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
17487 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
17489 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
17491 (yy::b4_name::parse): Build verbose error messages, and use error_.
17493 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17495 * data/bison.c++: Fix m4 quoting in comments.
17497 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
17499 * data/bison.c++: Adjust the parser code. Fix some muscles that were
17500 not expanded by m4.
17502 2002-02-05 Akim Demaille <akim@epita.fr>
17504 * data/bison.c++: Adjust to the M4 back end.
17505 More is certainly needed.
17507 2002-02-05 Akim Demaille <akim@epita.fr>
17509 Give a try to M4 as a back end.
17511 * lib/readpipe.c: New, from wdiff.
17512 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
17514 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
17515 specific values. Now it is m4 that performs the lookup.
17516 * src/parse-skel.y: Remove.
17517 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
17518 * src/output.c (actions_output, guards_output)
17519 (token_definitions_output): No longer keeps track of the output
17520 line number, hence remove the second argument.
17521 (guards_output): Check against the guard member of a rule, not the
17524 (output_skeleton): Don't look for the skeleton location, let m4 do
17526 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
17528 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
17529 (prepare): Given that for the time being changesyntax is not
17530 usable in M4, rename the muscles using `-' to `_'.
17531 Define `defines_flag', `output_parser_name' and `output_header_name'.
17532 * src/output.h (actions_output, guards_output)
17533 (token_definitions_output): Adjust prototypes.
17534 * src/scan-skel.l: Instead of scanning the skeletons, it now
17535 processes the output of m4: `__oline__' and `#output'.
17536 * data/bison.simple: Adjust to be used by M4(sugar).
17537 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
17539 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
17540 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
17541 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
17542 shamelessly stolen from CVS Autoconf.
17544 2002-02-05 Akim Demaille <akim@epita.fr>
17546 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
17547 * configure.in: Check for the declarations of free and malloc.
17548 * src/muscle_tab.c: Adjust.
17550 2002-02-05 Akim Demaille <akim@epita.fr>
17552 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
17553 which have no values.
17555 2002-02-05 Akim Demaille <akim@epita.fr>
17557 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
17560 2002-01-29 Paul Eggert <eggert@twinsun.com>
17562 * src/bison.simple (YYSIZE_T): Do not define merely because
17563 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
17564 On some platforms, <alloca.h> does not declare YYSTD (size_t).
17566 2002-01-27 Akim Demaille <akim@epita.fr>
17568 Fix `%nonassoc and eof'.
17570 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
17571 which were not properly copied! Replace
17572 memcpy (res->errs, src->errs, src->nerrs);
17574 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
17576 * tests/regression.at (%nonassoc and eof): Adjust to newest
17577 Autotest: `.' is not in the PATH.
17579 2002-01-27 Akim Demaille <akim@epita.fr>
17581 * tests/sets.at (AT_EXTRACT_SETS): New.
17582 (Nullable): Use it.
17585 2002-01-26 Akim Demaille <akim@epita.fr>
17587 * tests/actions.at, tests/calc.at, tests/headers.at,
17588 * tests/torture.at: Adjust to the newest Autotest which no longer
17589 forces `.' in the PATH.
17591 2002-01-25 Akim Demaille <akim@epita.fr>
17593 * tests/regression.at (%nonassoc and eof): New.
17594 Suggested by Robert Anisko.
17596 2002-01-24 Akim Demaille <akim@epita.fr>
17598 Bison dumps core when trying to complain about broken input files.
17599 Reported by Cris van Pelt.
17601 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
17602 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
17604 (Invalid inputs): Strengthen: exercise parse_percent_token.
17606 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
17608 * src/Makefile.am: Add bison.c++.
17609 * src/bison.c++: New skeleton.
17611 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
17615 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
17617 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
17619 2002-01-20 Marc Autret <marc@gnu.org>
17621 * src/files.c (compute_output_file_names): Fix
17623 2002-01-20 Marc Autret <marc@gnu.org>
17625 * tests/output.at: New test.
17626 * src/files.c (compute_base_names): Don't map extensions when
17627 the YACC flag is set, use defaults.
17628 Reported by Evgeny Stambulchik.
17630 2002-01-20 Marc Autret <marc@gnu.org>
17632 * src/system.h: Need to define __attribute__ away for non-GCC
17633 compilers as well (i.e., the vendor C compiler).
17634 Suggested by Albert Chin-A-Young.
17636 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
17638 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
17639 canonical definition.
17640 * src/system.h: Use the canonical definition for PARAMS (avoids
17641 a conflict with the macro from lib/hash.h).
17643 2002-01-11 Akim Demaille <akim@epita.fr>
17645 * configure.in: Use AC_FUNC_STRNLEN.
17646 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
17648 2002-01-09 Akim Demaille <akim@epita.fr>
17650 * src/files.c, src/files.h (output_infix): New.
17651 (tab_extension): Remove.
17652 (compute_base_names): Compute the former, drop the latter.
17653 * src/output.c (prepare): Insert the muscles `output-infix', and
17655 * src/parse-skel.y (string, string.1): New.
17656 (section.header): Use it.
17657 (section.yacc): Remove.
17658 (prefix): Remove too.
17659 * src/scan-skel.l: Adjust.
17660 * src/bison.simple, src/bison.hairy: Adjust.
17662 2002-01-09 Akim Demaille <akim@epita.fr>
17664 * configure.in (WERROR_CFLAGS): Compute it.
17665 * src/Makefile.am (CFLAGS): Pass it.
17666 * tests/atlocal.in (CFLAGS): Idem.
17667 * src/files.c: Fix a few warnings.
17668 (get_extension_index): Remove, unused.
17670 2002-01-08 Akim Demaille <akim@epita.fr>
17672 * src/getargs.c (AS_FILE_NAME): New.
17673 (getargs): Use it to convert DOSish file names.
17674 * src/files.c (base_name): Rename as full_base_name to avoid
17675 clashes with `base_name ()'.
17676 (filename_split): New.
17677 (compute_base_names): N-th rewrite, using filename_split.
17679 2002-01-08 Akim Demaille <akim@epita.fr>
17681 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
17682 New, stolen from the Fileutils 4.1.
17683 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
17684 * configure.in: Check for the presence of memrchr, and of its
17687 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
17689 * lib/hash.h (__P): Added definition for this macro.
17690 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
17691 BUILT_SOURCES, to ensure they are generated first.
17692 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
17693 %error-verbose to allow bootstrapping with bison 1.30x.
17695 2002-01-06 Akim Demaille <akim@epita.fr>
17697 * src/reader.c (parse_braces): Don't fetch the next char, the
17698 convention is to fetch on entry.
17699 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
17700 'switch' without a following semicolon.
17701 * tests/regression.at (braces parsing): New.
17703 2002-01-06 Akim Demaille <akim@epita.fr>
17705 Bison is dead wrong in its RR conflict reports.
17707 * tests/torture.at (GNU Cim Grammar): New.
17708 * src/conflicts.c (count_rr_conflicts): Fix.
17710 2002-01-06 Akim Demaille <akim@epita.fr>
17712 Creating package.m4 from configure.ac causes too many problems.
17714 * tests/Makefile.am (package.m4): Create it by hand,
17715 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
17717 2002-01-06 Akim Demaille <akim@epita.fr>
17719 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
17722 2002-01-04 Paul Eggert <eggert@twinsun.com>
17724 * doc/bison.texinfo (Debugging):
17725 Remove YYSTDERR; it's no longer defined or used.
17726 Also, s/cstdio.h/cstdio/.
17728 2002-01-03 Akim Demaille <akim@epita.fr>
17730 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
17732 2002-01-03 Akim Demaille <akim@epita.fr>
17734 * src/parse-skel.y (process_skeleton): Don't bind the parser's
17735 tracing code to --trace, wait for a better --trace option, with
17738 2002-01-03 Akim Demaille <akim@epita.fr>
17740 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
17741 The ISO C++ standard is extremely clear about it: stderr is
17742 considered a macro, not a regular symbol (see table 94 `Header
17743 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
17744 Therefore std:: does not apply to it. It still does with fprintf.
17745 Also, s/cstdio.h/cstdio/.
17747 2002-01-03 Akim Demaille <akim@epita.fr>
17749 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
17750 for non system headers.
17752 2002-01-02 Akim Demaille <akim@epita.fr>
17754 Equip the skeleton chain with location tracking, runtime trace,
17755 pure parser and scanner.
17757 * src/parse-skel.y: Request a pure parser, locations, and prefix
17759 (%union): Having several members with the same type does not help
17760 type mismatches, simplify.
17761 (YYPRINT, yyprint): New.
17762 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
17763 (skel_error): this.
17765 * src/scan-skel.l: Adjust to these changes.
17766 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
17767 (LOCATION_PRINT, skel_control_t): New.
17769 2001-12-30 Akim Demaille <akim@epita.fr>
17771 * src/parse-skel.y: Get rid of the shift/reduce conflict:
17772 replace `gb' with BLANKS.
17773 * src/scan-skel.l: Adjust.
17775 2001-12-30 Akim Demaille <akim@epita.fr>
17777 * src/system.h: We don't need nor want bcopy.
17778 Throw away MS-DOS crap: we don't need getpid.
17779 * configure.in: We don't need strndup. It was even causing
17780 problems: because Flex includes the headers *before* us,
17781 _GNU_SOURCE is not defined by config.h, and therefore strndup was
17783 * lib/xstrndup.c: New.
17784 * src/scan-skel.l: Use it.
17785 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
17786 * src/parse-skel.y: Use %directives instead of #defines.
17788 2001-12-30 Akim Demaille <akim@epita.fr>
17790 * src/skeleton.h: New.
17791 * src/output.c (output_parser, output_master_parser): Remove, dead
17793 * src/output.h (get_lines_number, actions_output, guards_output)
17794 (token_definitions_output): Prototype them.
17795 * src/parse-skel.y: Add the license notice.
17796 Include output.h and skeleton.h.
17797 (process_skeleton): Returns void, and takes a single parameter.
17798 * src/scan-skel.l: Add the license notice.
17799 Include skeleton.h.
17800 Don't use %option yylineno: it seems that then Flex imagines
17801 REJECT has been used, and therefore it won't reallocate its
17802 buffers (which makes no other sense to me than a bug). It results
17803 in warnings for `unused: yy_flex_realloc'.
17805 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
17807 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17808 (MUSCLE_INSERT_PREFIX): ...to there.
17809 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
17810 (MUSCLE_INSERT_PREFIX): Move from here...
17812 * src/bison.hairy: Add a section directive. Put braces around muscle
17813 names. This parser skeleton is still broken, but Bison should not
17814 choke on a bad muscle 'syntax'.
17815 * src/bison.simple: Add a section directive. Put braces around muscle
17818 * src/files.h (strsuffix, stringappend): Add declarations.
17819 (tab_extension): Add declaration.
17820 (short_base_name): Add declaration.
17822 * src/files.c (strsuffix, stringappend): No longer static. These
17823 functions are used in the skeleton parser.
17824 (tab_extension): New.
17825 (compute_base_names): Use the computations done in this function
17826 to guess if the generated parsers should have '.tab' in their
17828 (short_base_name): No longer static.
17830 * src/output.c (output_skeleton): New.
17831 (output): Disable call to output_master_parser, and give a try to
17832 a new skeleton handling system.
17833 (guards_output, actions_output): No longer static.
17834 (token_definitions_output, get_lines_number): No longer static.
17836 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
17838 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
17841 * src/parse-skel.y: New file.
17842 * src/scan-skel.l: New file.
17844 2001-12-29 Akim Demaille <akim@epita.fr>
17846 %name-prefix is broken.
17848 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
17849 Adjust all dependencies.
17850 * tests/headers.at (export YYLTYPE): Strengthen this test: use
17853 Renaming yylval but not yylloc is not consistent. Now we do.
17855 * src/bison.simple: Prefix yylloc if used.
17856 * doc/bison.texinfo (Decl Summary): Document that.
17858 2001-12-29 Akim Demaille <akim@epita.fr>
17860 * doc/bison.texinfo: Promote `%long-directive' over
17862 Remove all references to fixed-output-files, yacc is enough.
17864 2001-12-29 Akim Demaille <akim@epita.fr>
17866 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
17867 user prologue. These are defaults.
17868 * tests/actions.at (Mid-rule actions): Make sure the user can
17869 define YYDEBUG and YYERROR_VERBOSE.
17871 2001-12-29 Akim Demaille <akim@epita.fr>
17873 * src/output.c (header_output): Don't forget to export YYLTYPE and
17875 * tests/headers.at (export YYLTYPE): New, make sure it does.
17876 * tests/regression.at (%union and --defines, Invalid CPP headers):
17878 * tests/headers.at: here.
17880 2001-12-29 Akim Demaille <akim@epita.fr>
17882 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
17884 2001-12-29 Akim Demaille <akim@epita.fr>
17886 * tests/actions.at (Mid-rule actions): Output on a single line
17887 instead of several.
17889 2001-12-29 Akim Demaille <akim@epita.fr>
17891 * doc/bison.texinfo: Formatting changes.
17893 2001-12-29 Akim Demaille <akim@epita.fr>
17895 Don't store the token defs in a muscle, just be ready to output it
17896 on command. Now possible via `symbols'. Fixes a memory leak.
17898 * src/output.c (token_definitions_output): New.
17899 (output_parser, header_output): Use it.
17900 * src/reader.c (symbols_save): Remove.
17902 2001-12-29 Akim Demaille <akim@epita.fr>
17904 * src/bison.simple: Do not provide a default for YYSTYPE and
17905 YYLTYPE before the user's prologue. Otherwise it's hardly... a
17908 2001-12-29 Akim Demaille <akim@epita.fr>
17910 Mid-rule actions are simply... ignored!
17912 * src/reader.c (readgram): Be sure to attach mid-rule actions to
17913 the empty-rule associated to the dummy symbol, not to the host
17915 * tests/actions.at (Mid-rule actions): New.
17917 2001-12-29 Akim Demaille <akim@epita.fr>
17921 * src/reader.c (reader): Free grammar.
17923 2001-12-29 Akim Demaille <akim@epita.fr>
17927 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
17928 since it allocates it for each state, although only one is needed.
17929 (allocate_storage): Do it here.
17931 2001-12-29 Akim Demaille <akim@epita.fr>
17933 * src/options.h, src/options.c (create_long_option_table): Rename
17935 (long_option_table_new): this, with a clearer prototype.
17936 (percent_table): Remove, unused,
17937 * src/getargs.c (getargs): Adjust.
17939 2001-12-29 Akim Demaille <akim@epita.fr>
17941 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
17942 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
17945 2001-12-29 Akim Demaille <akim@epita.fr>
17947 * src/lalr.c (build_relations): Rename `states' as `states1'.
17948 Sorry, I don't understand exactly what it is, no better name...
17950 2001-12-29 Akim Demaille <akim@epita.fr>
17952 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
17953 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
17954 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
17957 2001-12-29 Akim Demaille <akim@epita.fr>
17959 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
17962 2001-12-29 Akim Demaille <akim@epita.fr>
17964 * src/reader.c, src/reader.h (user_toknums): Remove.
17965 Adjust all users to use symbols[i]->user_token_number.
17967 2001-12-29 Akim Demaille <akim@epita.fr>
17969 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
17970 Adjust all users to use symbols[i]->prec or ->assoc.
17972 2001-12-29 Akim Demaille <akim@epita.fr>
17974 * src/reader.c, src/reader.h (tags): Remove.
17975 Adjust all users to use symbols[i]->tag.
17977 2001-12-29 Akim Demaille <akim@epita.fr>
17979 * src/gram.h, src/gram.c (symbols): New, similar to state_table
17981 * src/reader.c (packsymbols): Fill this table.
17983 * src/conflicts.c (resolve_sr_conflict): Adjust.
17984 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
17986 Use symbols[i]->tag instead of tags[i].
17988 2001-12-29 Akim Demaille <akim@epita.fr>
17990 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
17991 In addition, put a comment in there, to replace...
17992 * tests/regression.at (%union and C comments): Remove.
17994 2001-12-29 Akim Demaille <akim@epita.fr>
17996 * tests/regression.at (Web2c Actions): Blindly move the actual
17997 output as expected output. The contents *seem* right to me, but I
17998 can't pretend reading perfectly parser tables... Nonetheless, all
17999 the other tests pass correctly, the table look OK, even though the
18000 presence of `$axiom' is to be noted: AFAICS it is useless (but
18003 2001-12-29 Akim Demaille <akim@epita.fr>
18005 * src/reader.c (readgram): Don't add the rule 0 if there were no
18006 rules read. In other words, add it _after_ having performed
18007 grammar sanity checks.
18008 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
18010 2001-12-29 Akim Demaille <akim@epita.fr>
18012 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
18013 visible, and some states have now a different number.
18015 2001-12-29 Akim Demaille <akim@epita.fr>
18017 * src/reader.c (readgram): Bind the initial rule's lineno to that
18019 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
18020 (Solved SR Conflicts): Adjust rule 0's line number.
18022 2001-12-29 Akim Demaille <akim@epita.fr>
18024 Fix the `GAWK Grammar' failure.
18026 * src/LR0.c (final_state): Initialize to -1 so that we do compute
18027 the reductions of the first state which was mistakenly confused
18028 with the final state because precisely final_state was initialized
18030 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
18031 now noticed by Bison.
18032 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
18033 have a reduction on $default.
18035 2001-12-29 Akim Demaille <akim@epita.fr>
18037 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
18039 * src/closure.c (print_closure): Likewise.
18040 * src/derives.c (print_derives): Likewise.
18041 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
18044 2001-12-29 Akim Demaille <akim@epita.fr>
18046 * src/lalr.c (lookaheads_print): New.
18047 (lalr): Call it when --trace-flag.
18048 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
18051 2001-12-29 Akim Demaille <akim@epita.fr>
18053 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
18054 when walking through ritem, even via rule->rhs.
18055 * src/reduce.c (dump_grammar, useful_production, reduce_output)
18056 (useful_production, useless_nonterminals): Likewise.
18057 (reduce_grammar_tables): Likewise, plus update nritems.
18058 * src/nullable.c (set_nullable): Likewise.
18059 * src/lalr.c (build_relations): Likewise.
18060 * tests/sets.at (Nullable): Adjust.
18061 Fortunately, now, the $axiom is no longer nullable.
18063 2001-12-29 Akim Demaille <akim@epita.fr>
18065 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
18067 * src/gram.c (ritem_longest_rhs): Likewise.
18068 * src/reduce.c (nonterminals_reduce): Likewise.
18069 * src/print_graph.c (print_graph): Likewise.
18070 * src/output.c (output_rule_data): Likewise.
18071 * src/nullable.c (set_nullable): Likewise.
18073 2001-12-29 Akim Demaille <akim@epita.fr>
18075 * src/output.c: Comment changes.
18077 2001-12-27 Paul Eggert <eggert@twinsun.com>
18079 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
18080 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
18081 Sparc, as they were causing more porting problems than the
18082 (minor) performance improvement was worth.
18084 Also, catch up with 1.31's YYSTD.
18086 2001-12-27 Akim Demaille <akim@epita.fr>
18088 * src/output.c (output_gram): Rely on nritems, not the
18089 0-sentinel. See below.
18090 Use -1 as separator, not 0.
18091 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
18092 Rely on -1 as separator in yyrhs, instead of 0.
18093 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
18094 twice `Now at end of input', therefore there are two lines less to
18097 2001-12-27 Akim Demaille <akim@epita.fr>
18099 * tests/regression.at (Unresolved SR Conflicts):
18100 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
18103 2001-12-27 Akim Demaille <akim@epita.fr>
18105 * src/LR0.c (new_state): Recognize the final state by the fact it
18106 is reached by eoftoken.
18107 (insert_start_shifting_state, insert_eof_shifting_state)
18108 (insert_accepting_state, augment_automaton): Remove, since now
18109 these states are automatically computed from the initial state.
18110 (generate_states): Adjust.
18111 * src/print.c: When reporting a rule number to the user, substract
18112 1, so that the axiom rule is rule 0, and the first user rule is 1.
18113 * src/reduce.c: Likewise.
18114 * src/print_graph.c (print_core): For the time being, just as for
18115 the report, depend upon --trace-flags to dump the full set of
18117 * src/reader.c (readgram): Once the grammar read, insert the rule
18118 0: `$axiom: START-SYMBOL $'.
18119 * tests/set.at: Adjust: rule 0 is now displayed, and since the
18120 number of the states has changed (the final state is no longer
18121 necessarily the last), catch up.
18123 2001-12-27 Akim Demaille <akim@epita.fr>
18125 Try to make the use of the eoftoken valid. Given that its value
18126 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
18127 is used instead of > 0 where appropriate, (ii), depend upon nritems
18128 instead of the 0-sentinel.
18130 * src/gram.h, src/gram.c (nritems): New.
18131 Expected to be duplication of nitems, but for the time being...
18132 * src/reader.c (packgram): Assert nritems and nitems are equal.
18133 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
18134 * src/closure.c (print_closure, print_fderives): Likewise.
18135 * src/gram.c (ritem_print): Likewise.
18136 * src/print.c (print_core, print_grammar): Likewise.
18137 * src/print_graph.c: Likewise.
18139 2001-12-27 Akim Demaille <akim@epita.fr>
18141 * src/main.c (main): If there are complains after grammar
18142 reductions, then output the report anyway if requested, then die.
18143 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
18144 * src/reader.c (eoftoken): New.
18145 (parse_token_decl): If the token being defined has value `0', it
18147 (packsymbols): No longer hack `tags' to insert `$' by hand.
18148 Be sure to preserve the value of the eoftoken.
18149 (reader): Make sure eoftoken is defined.
18150 Initialize nsyms to 0: now eoftoken is created just like the others.
18151 * src/print.c (print_grammar): Don't special case the eof token.
18152 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
18153 lie anyway, albeit pleasant.
18154 * tests/calc.at: Exercise error messages with eoftoken.
18155 Change the grammar so that empty input is invalid.
18156 Adjust expectations.
18157 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
18159 2001-12-27 Akim Demaille <akim@epita.fr>
18161 * configure.in: Check the protos of strchr ans strspn.
18162 Replace strchr if needed.
18163 * src/system.h: Provide the protos of strchr, strspn and memchr if
18165 * lib/strchr.c: New.
18166 * src/reader.c (symbols_save): Use strchr.
18168 2001-12-27 Akim Demaille <akim@epita.fr>
18170 * src/print.c, src/print_graph.c (escape): New.
18171 Use it to quote the TAGS outputs.
18172 * src/print_graph.c (print_state): Now errors are in red, and
18173 reductions in green.
18174 Prefer high to wide: output the state number on a line of its own.
18176 2001-12-27 Akim Demaille <akim@epita.fr>
18178 * src/state.h, src/state.c (reductions_new): New.
18179 * src/LR0.c (set_state_table): Let all the states have a
18180 `reductions', even if reduced to 0.
18181 (save_reductions): Adjust.
18182 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
18183 * src/print.c (print_reductions, print_actions): Adjust.
18184 * src/output.c (action_row): Adjust.
18186 2001-12-27 Akim Demaille <akim@epita.fr>
18188 * src/state.h, src/state.c (errs_new, errs_dup): New.
18189 * src/LR0.c (set_state_table): Let all the states have an errs,
18190 even if reduced to 0.
18191 * src/print.c (print_errs, print_reductions): Adjust.
18192 * src/output.c (output_actions, action_row): Adjust.
18193 * src/conflicts.c (resolve_sr_conflict): Adjust.
18195 2001-12-27 Akim Demaille <akim@epita.fr>
18197 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
18199 2001-12-27 Akim Demaille <akim@epita.fr>
18201 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
18202 * src/print.c: here.
18203 (lookaheadset, shiftset): New, used as additional storage by
18205 (print_results): Adjust.
18206 (print_shifts, print_gotos, print_errs): New, extracted from...
18207 (print_actions): here.
18208 * src/print_graph.c (print_actions): Remove dead code.
18210 2001-12-27 Akim Demaille <akim@epita.fr>
18212 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
18215 2001-12-27 Akim Demaille <akim@epita.fr>
18217 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
18218 (build_relations): Adjust.
18220 2001-12-27 Akim Demaille <akim@epita.fr>
18222 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
18225 2001-12-27 Akim Demaille <akim@epita.fr>
18227 * src/reader.c (packgram): Catch nitems overflows.
18229 2001-12-27 Akim Demaille <akim@epita.fr>
18231 * src/files.c, src/files.h (guard_obstack): Remove.
18232 * src/output.c (output): Adjust.
18233 * src/reader.c (parse_braces): New, factoring...
18234 (copy_action, copy_guard): these two which are renamed as...
18235 (parse_action, parse_guard): these.
18236 As a voluntary consequence, using braces around guards is now
18239 2001-12-27 Akim Demaille <akim@epita.fr>
18241 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
18242 * src/reader.c (symbol_list): `guard' and `guard_line' are new
18244 (symbol_list_new): Adjust.
18245 (copy_action): action_line is the first line, not the last.
18246 (copy_guard): Just as for actions, store the `action' only, not
18247 the switch/case/break flesh.
18248 Don't parse the user action that might follow the guard, let...
18249 (readgram): do it, i.e., now, there can be an action after a
18251 In other words the guard is just explicitly optional.
18252 (packgram): Adjust.
18253 * src/output.c (guards_output): New.
18254 (output_parser): Call it when needed.
18255 (output): Also free the guard and attrs obstacks.
18256 * src/files.c, src/files.h (obstack_save): Remove.
18257 (output_files): Remove.
18258 As a result, if one needs the former `.act' file, using an
18259 appropriate skeleton which requires actions and guards is now
18261 * src/main.c (main): Adjust.
18262 * tests/semantic.at: New.
18263 * tests/regression.at: Use `input.y' as input file name.
18264 Avoid 8+3 problems by requiring input.c when the test needs the
18267 2001-12-27 Akim Demaille <akim@epita.fr>
18269 * src/reader.c (symbol_list_new): Be sure to initialize all the
18272 2001-12-27 Akim Demaille <akim@epita.fr>
18274 All the hacks using a final pseudo state are now useless.
18276 * src/LR0.c (set_state_table): state_table holds exactly nstates.
18277 * src/lalr.c (nLA): New.
18278 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
18279 instead of lookaheadsp from the pseudo state (nstate + 1).
18281 2001-12-27 Akim Demaille <akim@epita.fr>
18283 * src/output.c (action_row, token_actions): Use a state_t instead
18284 of a integer, and nlookaheads instead of the following state's
18287 2001-12-27 Akim Demaille <akim@epita.fr>
18289 * src/conflicts.c (log_resolution, flush_shift)
18290 (resolve_sr_conflict, set_conflicts, solve_conflicts)
18291 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
18292 (conflicts_print, print_reductions): Use a state_t instead of an
18293 integer when referring to a state.
18294 As much as possible, depend upon nlookaheads, instead of the
18295 `lookaheadsp' member of the following state (since lookaheads of
18296 successive states are successive, the difference between state n + 1
18297 and n served as the number of lookaheads for state n).
18298 * src/lalr.c (add_lookback_edge): Likewise.
18299 * src/print.c (print_core, print_actions, print_state)
18300 (print_results): Likewise.
18301 * src/print_graph.c (print_core, print_actions, print_state)
18302 (print_graph): Likewise.
18303 * src/conflicts.h: Adjust.
18305 2001-12-27 Akim Demaille <akim@epita.fr>
18307 * src/bison.hairy: Formatting/comment changes.
18309 Remove `register' indications.
18310 Add plenty of `static'.
18312 2001-12-27 Akim Demaille <akim@epita.fr>
18314 * src/output.c (prepare): Drop the muscle `ntbase' which
18315 duplicates ntokens.
18316 * src/bison.simple: Formatting/comment changes.
18317 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
18318 is an undocumented synonym.
18320 2001-12-22 Akim Demaille <akim@epita.fr>
18322 * src/output.c (output_table_data): Change the prototype to use
18323 `int' for array ranges: some invocations do pass an int, not a
18325 Reported by Wayne Green.
18327 2001-12-22 Akim Demaille <akim@epita.fr>
18329 Some actions of web2c.y are improperly triggered.
18330 Reported by Mike Castle.
18332 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
18333 * tests/regression.at (Web2c): Rename as...
18334 (Web2c Report): this.
18335 (Web2c Actions): New.
18337 2001-12-22 Akim Demaille <akim@epita.fr>
18339 Reductions in web2c.y are improperly reported.
18340 Reported by Mike Castle.
18342 * src/conflicts.c (print_reductions): Fix.
18343 * tests/regression.at (Web2c): New.
18345 2001-12-18 Akim Demaille <akim@epita.fr>
18347 Some host fail on `assert (!"foo")', which expands to
18348 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
18349 Reported by Nelson Beebee.
18351 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
18352 `#define it_succeeded 0' and `assert (it_succeeded)'.
18354 2001-12-17 Marc Autret <autret_m@epita.fr>
18356 * src/bison.simple: Don't hard code the skeleton line and filename.
18357 * src/output.c (output_parser): Rename 'line' as 'output_line'.
18358 New line counter 'skeleton_line' (skeleton-line muscle).
18360 2001-12-17 Paul Eggert <eggert@twinsun.com>
18362 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
18363 YYDEBUG must be defined to a nonzero value.
18365 * src/bison.simple (yytname): Do not assume that the user defines
18366 YYDEBUG to a properly parenthesized expression.
18368 2001-12-17 Akim Demaille <akim@epita.fr>
18370 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
18371 nlookaheads is a new member.
18373 * src/lalr.h (nlookaheads): Remove this orphan declaration.
18374 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
18377 2001-12-17 Akim Demaille <akim@epita.fr>
18379 * src/files.h, src/files.c (open_files, close_files): Remove.
18380 * src/main.c (main): Don't open/close files, nor invoke lex_free,
18382 * src/reader.c (reader): Do it.
18384 2001-12-17 Akim Demaille <akim@epita.fr>
18386 * src/conflicts.c (print_reductions): Formatting changes.
18388 2001-12-17 Akim Demaille <akim@epita.fr>
18390 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
18391 (flush_reduce): New.
18392 (resolve_sr_conflict): Adjust.
18394 2001-12-17 Akim Demaille <akim@epita.fr>
18396 * src/output.c (output_obstack): Be static and rename as...
18397 (format_obstack): this, to avoid any confusion with files.c's
18399 * src/reader.h (muscle_obstack): Move to...
18400 * src/output.h: here, since it's defined in output.c.
18402 2001-12-17 Akim Demaille <akim@epita.fr>
18404 * src/output.c (action_row, save_column, default_goto)
18405 (sort_actions, matching_state, pack_vector): Better variable
18408 2001-12-17 Akim Demaille <akim@epita.fr>
18410 * src/output.c: Various formatting changes.
18412 2001-12-17 Akim Demaille <akim@epita.fr>
18414 * src/files.c (output_files): Free the output_obstack.
18415 * src/main.c (main): Call print and print_graph conditionally.
18416 * src/print.c (print): Work unconditionally.
18417 * src/print_graph.c (print_graph): Work unconditionally.
18418 * src/conflicts.c (log_resolution): Output only if verbose_flag.
18420 2001-12-16 Marc Autret <autret_m@epita.fr>
18422 * src/output.c (actions_output): Fix. When we use %no-lines,
18423 there is one less line per action.
18425 2001-12-16 Marc Autret <autret_m@epita.fr>
18427 * src/bison.simple: Remove a useless #line directive.
18428 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
18429 * src/output.c (get_lines_number): New.
18430 (output_parser): Adjust, now takes care about the lines of a
18432 Fix line numbering.
18433 (actions_output): Computes the number of lines taken by actions.
18434 (output_master_parser): Insert new skeleton which is the name of
18435 the output parser file name.
18437 2001-12-15 Marc Autret <autret_m@epita.fr>
18439 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
18441 2001-12-15 Marc Autret <autret_m@epita.fr>
18443 * src/output.c (output_gram): Keep track of the hairy one.
18445 2001-12-15 Akim Demaille <akim@epita.fr>
18447 Make `make distcheck' work.
18449 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
18450 system.h which uses libgettext.h.
18452 2001-12-15 Akim Demaille <akim@epita.fr>
18454 * src/nullable.c (set_nullable): Useless rules must be skipped,
18455 otherwise, since we range over their symbols, we might look at a
18456 nonterminal which no longer ``exists'', i.e., it is not counted in
18457 `nvars', hence we overflow our arrays.
18459 2001-12-15 Akim Demaille <akim@epita.fr>
18461 The header can also be produced directly, without any obstack!
18464 * src/files.c, src/files.h (defines_obstack): Remove.
18465 (compute_header_macro): Global.
18466 (defines_obstack_save): Remove.
18467 * src/reader.c (parse_union_decl): No longer output to
18468 defines_obstack: its content can be found in the `stype' muscle
18470 (output_token_translations): Merge into...
18471 (symbols_output): this.
18473 (symbols_save): this.
18475 * src/output.c (header_output): New.
18478 2001-12-15 Akim Demaille <akim@epita.fr>
18480 * src/reader.c (parse_union_decl): Instead of handling two obstack
18481 simultaneously, use one to define the `stype' muscle, and use the
18482 value of the latter to fill defines_obstack.
18483 (copy_comment): Remove.
18484 (copy_comment2): Work for a single obstack.
18486 (copy_comment): this.
18488 2001-12-15 Akim Demaille <akim@epita.fr>
18490 * src/lex.c, src/lex.h (xgetc): No longer static.
18491 * src/reader.c (parse_union_decl): Revamp.
18493 2001-12-15 Akim Demaille <akim@epita.fr>
18495 Still making progress in separating Bison into (i) input, (ii)
18496 process, (iii) output: now we can directly output the parser file
18497 without using table_obstack at all.
18499 * src/files.c, src/files.h (table_obstack): Bye bye.
18500 (parser_file_name): New.
18501 * src/files.c (compute_output_file_names): Compute it.
18502 * src/output.c (actions_output, output_parser)
18503 (output_master_parser): To a file instead of an obstack.
18505 2001-12-15 Akim Demaille <akim@epita.fr>
18507 Attach actions to rules, instead of pre-outputting them to
18510 * src/gram.h (rule_t): action and action_line are new members.
18511 * src/reader.c (symbol_list): Likewise.
18512 (copy_action): Save the actions within the rule.
18513 (packgram): Save them in rule_table.
18514 * src/output.c (actions_output): New.
18515 (output_parser): Use it on `%%actions'.
18516 (output_rule_data): Don't free rule_table.
18518 (prepare): Don't save the `action' muscle.
18519 * src/bison.simple: s/%%action/%%actions/.
18521 2001-12-15 Akim Demaille <akim@epita.fr>
18523 * src/reader.c (copy_action): When --yacc, don't append a `;'
18524 to the user action: let it fail if lacking.
18525 Suggested by Arnold Robbins and Tom Tromey.
18527 2001-12-14 Akim Demaille <akim@epita.fr>
18529 * src/lex.c (literalchar): Simply return the char you decoded, non
18530 longer mess around with obstacks and int pointers.
18531 Adjust all callers.
18533 2001-12-14 Akim Demaille <akim@epita.fr>
18535 * src/lex.c (literalchar): Don't escape the special characters,
18536 just decode them, and keep them as char (before, eol was output as
18537 the 2 char string `\n' etc.).
18538 * src/output.c (output_rule_data): Use quotearg to output the
18541 2001-12-13 Paul Eggert <eggert@twinsun.com>
18543 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
18544 Do not infringe on the global user namespace when using C++.
18545 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
18546 All uses of `fprintf' and `stderr' changed.
18548 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
18550 2001-12-13 Akim Demaille <akim@epita.fr>
18552 The computation of nullable is broken: it doesn't handle empty
18555 * tests/torture.at (GNU AWK Grammar): New.
18556 * tests/sets.at (Nullable): New.
18557 * src/nullable.c (set_nullable): Instead of blindly looping over
18558 `ritems', loop over the rules, and then over their rhs's.
18560 Work around Autotest bugs.
18562 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
18563 frame, because Autotest understand lines starting with a `+' as
18564 traces from the shell. Then, they are not processed properly.
18565 Admittedly an Autotest bug, but we don't have time to wait for
18566 Autotest to catch up.
18567 * tests/regression.at (Broken Closure): Adjust to the new table
18570 * tests/sets.at: here.
18572 2001-12-13 Akim Demaille <akim@epita.fr>
18574 * src/closure.c (closure): Use nrules instead of playing tricks
18575 with BITS_PER_WORD.
18577 2001-12-13 Akim Demaille <akim@epita.fr>
18579 * src/print.c (print_actions): Output the handling of `$' as the
18580 traces do: shifting the token EOF. Before EOF was treated as a
18582 * tests/regression.at: Adjust some tests.
18583 * src/print_graph.c (print_core): Complete the set of items via
18584 closure. The next-to-final and final states are still unsatisfying,
18585 but that's to be addressed elsewhere.
18586 No longer output the rule numbers, but do output the state number.
18587 A single loop for the shifts + gotos is enough, but picked a
18588 distinct color for each.
18589 (print_graph): Initialize and finalize closure.
18591 2001-12-13 Akim Demaille <akim@epita.fr>
18593 * src/reader.c (readgram): Remove dead code, an strip useless
18595 (get_type): Remove, unused.
18597 2001-12-12 Akim Demaille <akim@epita.fr>
18599 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
18600 on that of lib/error.c.
18602 2001-12-12 Akim Demaille <akim@epita.fr>
18604 Some hosts don't like `/' in includes.
18606 * src/system.h: Include libgettext.h without qualifying the path.
18607 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
18610 2001-12-11 Marc Autret <autret_m@epita.fr>
18612 * src/output.c (output_parser): Remove useless muscle.
18614 2001-12-11 Marc Autret <autret_m@epita.fr>
18616 * src/bison.simple: Remove #line just before %%epilogue. It
18617 is now handled in ...
18618 * src/reader.c (read_additionnal_code): Add the output of a
18619 #line for the epilogue.
18621 2001-12-10 Marc Autret <autret_m@epita.fr>
18623 * src/reader.c (copy_definition): Re-use CPP-outed code which
18624 replace precedent remove.
18625 * src/bison.simple: Remove #line before %%prologue because
18626 %%input-line is wrong at this time.
18628 2001-12-10 Marc Autret <autret_m@epita.fr>
18630 * src/reader.c (symbols_output): Clean up.
18631 * src/output.c (output_gram, output): Clean up.
18633 2001-12-10 Akim Demaille <akim@epita.fr>
18635 * src/lalr.c (initialize_lookaheads): New. Extracted from...
18636 * src/LR0.c (set_state_table): here.
18637 * src/lalr.c (lalr): Call it.
18639 2001-12-10 Akim Demaille <akim@epita.fr>
18641 * src/state.h (shifts): Remove the `number' member: shifts are
18642 attached to state, hence no longer need to be labelled with a
18645 2001-12-10 Akim Demaille <akim@epita.fr>
18647 Now that states have a complete set of members, the linked list of
18648 shifts is useless: just fill directly the state's shifts member.
18650 * src/state.h (shifts): Remove the `next' member.
18651 * src/LR0.c (first_state, last_state): Remove.
18652 Adjust the callers.
18653 (augment_automaton): Don't look for the shifts that must be added
18654 a shift on EOF: it is those of the state we looked for! But now,
18655 since shifts are attached, it is no longer needed to looking
18656 merely by its id: its number.
18658 2001-12-10 Akim Demaille <akim@epita.fr>
18660 * src/LR0.c (augment_automaton): Better variable locality.
18661 Remove an impossible branch: if there is a state corresponding to
18662 the start symbol being shifted, then there is shift for the start
18663 symbol from the initial state.
18665 2001-12-10 Akim Demaille <akim@epita.fr>
18667 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
18668 only when appropriate: when insert_start_shifting_state' is not
18670 * tests/regression.at (Rule Line Numbers): Adjust.
18672 2001-12-10 Akim Demaille <akim@epita.fr>
18674 * src/LR0.c (augment_automaton): Now that all states have shifts,
18675 merge the two cases addition shifts to the initial state.
18677 2001-12-10 Akim Demaille <akim@epita.fr>
18679 * src/lalr.c (set_state_table): Move to...
18681 * src/lalr.c (lalr): Don't call it...
18682 * src/LR0.c (generate_states): do it.
18683 * src/LR0.h (first_state): Remove, only the table is used.
18685 2001-12-10 Akim Demaille <akim@epita.fr>
18687 * src/LR0.h (first_shift, first_reduction): Remove.
18688 * src/lalr.c: Don't use first_shift: find shifts through the
18691 2001-12-10 Akim Demaille <akim@epita.fr>
18693 * src/LR0.c: Attach shifts to states as soon as they are
18695 * src/lalr.c (set_state_table): Instead of assigning shifts to
18696 state, just assert that the mapping was properly done.
18698 2001-12-10 Akim Demaille <akim@epita.fr>
18700 * src/LR0.c (insert_start_shift): Rename as...
18701 (insert_start_shifting_state): this.
18702 (insert_eof_shifting_state, insert_accepting_state): New.
18703 (augment_automaton): Adjust.
18704 Better locality of the variables.
18705 When looking if the start_symbol is shifted from the initial
18706 state, using `while (... symbol != start_symbol ...)' sounds
18707 better than `while (... symbol < start_symbol ...)': If fail
18708 to see how the order between symbols could be relevant!
18710 2001-12-10 Akim Demaille <akim@epita.fr>
18712 * src/getargs.h: Don't declare `spec_name_prefix' and
18713 `spec_file_prefix', declared by src/files.h.
18714 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
18715 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
18716 * src/output.c (prepare): Adjust.
18717 * src/reader.c (symbols_output): Likewise.
18718 * src/vmsgetargs.c: Vaguely adjust, but who cares?
18720 2001-12-10 Akim Demaille <akim@epita.fr>
18722 * src/muscle_tab.c (muscle_init): NULL is a better default than
18725 2001-12-10 Akim Demaille <akim@epita.fr>
18727 * src/reader.c (reader): Calling symbols_output once is enough.
18729 2001-12-10 Akim Demaille <akim@epita.fr>
18731 Now that states have a complete set of members, the linked list of
18732 reductions is useless: just fill directly the state's reductions
18735 * src/state.h (struct reductions): Remove member `number' and
18737 * src/LR0.c (first_reduction, last_reduction): Remove.
18738 (save_reductions): Don't link the new reductions, store them in
18740 * src/lalr.c (set_state_table): No need to attach reductions to
18741 states, it's already done.
18742 * src/output.c (output_actions): No longer free the shifts, then
18743 the reductions, then the states: free all the states and their
18746 2001-12-10 Akim Demaille <akim@epita.fr>
18748 * src/options.c (OPTN, DRTV, BOTH): New.
18749 (option_table): Use them.
18751 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
18752 the job of system.h.
18753 * src/options.c: Don't include stdio.h and xalloc.h for the same
18756 2001-12-10 Akim Demaille <akim@epita.fr>
18758 * src/output.c (output, prepare): Make sure the values of the
18759 muscles `action' and `prologue' are 0-terminated.
18761 2001-12-10 Akim Demaille <akim@epita.fr>
18763 Clean up GCC warnings.
18765 * src/reader.c (copy_action): `buf' is not used.
18766 (parse_skel_decl): Be static.
18767 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
18768 * src/options.h (create_long_option_table): Have a real prototype.
18769 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
18770 (hash_delete_at): Return const void *.
18771 Adjust casts to preserve the const.
18773 2001-12-10 Akim Demaille <akim@epita.fr>
18775 * configure.in: Require 2.52g.
18776 M4 is not needed, but AUTOM4TE is.
18777 * m4/m4.m4: Remove.
18778 * tests/Makefile.am: Adjust.
18780 2001-12-10 Akim Demaille <akim@epita.fr>
18782 One structure for states is enough, even though theoretically
18783 there are LR(0) states and LALR(1) states.
18785 * src/lalr.h (state_t): Remove.
18786 (state_table): Be state_t **, not state_t *.
18787 * src/state.h (core, CORE_ALLOC): Rename as...
18788 (state_t, STATE_ALLOC): this.
18789 Add the LALR(1) members: shifts, reductions, errs.
18790 * src/LR0.c (state_table): Rename as...
18791 (state_hash): this, to avoid name clashes with the global
18793 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
18794 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
18796 2001-12-10 Akim Demaille <akim@epita.fr>
18798 Bison dumps core on bash.y.
18799 Reported by Pascal Bart.
18801 * src/warshall.c (bitmatrix_print): New.
18803 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
18804 j must be the outer loop.
18805 * tests/regression.at (Broken Closure): New.
18807 2001-12-05 Akim Demaille <akim@epita.fr>
18809 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
18811 Reported by Peter Hamorsky.
18813 2001-12-05 Akim Demaille <akim@epita.fr>
18815 * src/conflicts.c (err_table): Remove.
18816 (resolve_sr_conflict): Adjust.
18817 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
18819 (state_t.reductions, state_t.shifts): this.
18821 2001-12-05 Akim Demaille <akim@epita.fr>
18823 * src/reduce.c (reduce_grammar_tables): No longer disable the
18824 removal of useless rules via CPP but via `if (0)', so that the
18825 compiler still check the code is valid.
18826 For instance, it should have noticed `rline' no longer exists: use
18827 the `line' member of rule_t.
18828 * src/gram.c (dummy, rline): Remove, unused.
18830 2001-12-05 Akim Demaille <akim@epita.fr>
18832 * src/output.c (pack_vector): Use assert, not berror.
18833 * src/main.c (berror): Remove, unused.
18835 2001-12-05 Akim Demaille <akim@epita.fr>
18837 New experimental feature: if --verbose --trace output all the
18838 items of a state, not only its kernel.
18840 * src/print.c (print_core): If `trace_flag', then invoke closure
18841 before outputting the items of the state (print_core is no longer
18842 a correct name them).
18843 (print_results): Invoke new_closure/free_closure if needed.
18845 2001-12-05 Akim Demaille <akim@epita.fr>
18847 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
18848 * src/closure.c, src/closure.h (itemsetsize): Rename as...
18849 (nitemset): for consistency with the rest of the project.
18851 2001-12-05 Akim Demaille <akim@epita.fr>
18853 * src/closure.c (print_closure): Improve.
18854 (closure): Use it for printing input and output.
18856 2001-12-05 Akim Demaille <akim@epita.fr>
18858 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
18859 indexed by nonterminals.
18861 2001-12-05 Akim Demaille <akim@epita.fr>
18863 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
18865 * src/warshall.h: Remove accidental duplication of the content.
18867 2001-12-05 Akim Demaille <akim@epita.fr>
18869 * src/closure.c (set_fderives): De-obfuscate.
18871 2001-12-05 Akim Demaille <akim@epita.fr>
18873 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
18875 2001-12-05 Akim Demaille <akim@epita.fr>
18877 * src/closure.c (set_firsts): De-obfuscate.
18879 2001-12-05 Akim Demaille <akim@epita.fr>
18881 * src/output.c (action_row): De-obfuscate
18882 using the good o' techniques: arrays not pointers, variable
18883 locality, BITISSET, RESETBIT etc.
18885 2001-12-05 Akim Demaille <akim@epita.fr>
18887 Pessimize the code to simplify it: from now on, all the states
18888 have a valid SHIFTS, which NSHIFTS is possibly 0.
18890 * src/LR0.c (shifts_new): Be global and move to..
18891 * src/state.c, src/state.h: here.
18892 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
18893 * src/print_graph: Adjust.
18895 2001-12-05 Akim Demaille <akim@epita.fr>
18897 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
18898 * src/conflicts.c: Use it.
18899 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
18900 incorrectly ``simplified''.
18902 2001-12-05 Akim Demaille <akim@epita.fr>
18904 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
18905 using the good o' techniques: arrays not pointers, variable
18906 locality, BITISSET, RESETBIT etc.
18908 2001-12-05 Akim Demaille <akim@epita.fr>
18910 * src/state.h (SHIFT_SYMBOL): New.
18911 * src/conflicts.c: Use it to deobfuscate.
18913 2001-12-05 Akim Demaille <akim@epita.fr>
18915 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
18916 (print_reductions): De-obfuscate using the good o' techniques:
18917 arrays not pointers, variable locality, BITISSET.
18919 2001-12-05 Akim Demaille <akim@epita.fr>
18921 * src/conflicts.c (print_reductions): Arrays, not pointers.
18924 2001-12-05 Akim Demaille <akim@epita.fr>
18926 * src/conflicts.c (print_reductions): Pessimize, but clarify.
18928 2001-12-05 Akim Demaille <akim@epita.fr>
18930 * src/conflicts.c (print_reductions): Improve variable locality.
18932 2001-12-05 Akim Demaille <akim@epita.fr>
18934 * src/conflicts.c (print_reductions): Pessimize, but clarify.
18936 2001-12-05 Akim Demaille <akim@epita.fr>
18938 * src/conflicts.c (print_reductions): Improve variable locality.
18940 2001-12-05 Akim Demaille <akim@epita.fr>
18942 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
18943 * src/lalr.c: Use them.
18945 2001-12-05 Akim Demaille <akim@epita.fr>
18947 * src/LR0.c (augment_automaton): Formatting changes.
18948 Better variable locality.
18950 2001-12-05 Akim Demaille <akim@epita.fr>
18952 * src/lalr.c (matrix_print): New.
18953 (transpose): Use it.
18954 Use arrays instead of pointers.
18956 2001-12-05 Akim Demaille <akim@epita.fr>
18958 * src/lalr.c (maxrhs): Move to...
18959 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
18960 * src/lalr.c (build_relations): Adjust.
18962 2001-12-05 Akim Demaille <akim@epita.fr>
18964 * src/lalr.c (transpose): Free the memory allocated to the
18965 argument, as it is replaced by the results by the unique caller.
18966 (build_relations): Merely invoke transpose: it handles the memory
18968 Improve variable locality.
18969 Avoid variables used as mere abbreviations.
18970 (compute_lookaheads): Use arrays instead of pointers.
18972 2001-12-05 Akim Demaille <akim@epita.fr>
18974 * src/lalr.c (initialize_F): Improve variable locality.
18975 Avoid variables used as mere abbreviations.
18977 2001-12-05 Akim Demaille <akim@epita.fr>
18979 * src/derives.c (print_derives): Display the ruleno.
18980 * src/lalr.c (initialize_F, transpose): Better variable locality
18981 to improve readability.
18982 Avoid variables used as mere abbreviations.
18984 2001-12-05 Akim Demaille <akim@epita.fr>
18986 * src/lalr.c (traverse): Use arrays instead of pointers.
18988 2001-12-05 Akim Demaille <akim@epita.fr>
18990 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
18991 the handling of squeue.
18992 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
18994 2001-12-05 Akim Demaille <akim@epita.fr>
18996 Because useless nonterminals are now kept alive (instead of being
18997 `destroyed'), we now sometimes examine them, and store information
18998 related to them. Hence we need to know their number, and adjust
18999 memory allocations.
19001 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
19003 * src/LR0.c (allocate_itemsets): The memory allocated to
19004 `symbol_count' was used for two different purpose: once to count
19005 the number of occurrences of each symbol, and later reassigned to
19006 `shift_symbol', containing the symbol that can be shifted from a
19008 Deobfuscate, i.e., allocate, use and free `symbol_count' here
19010 (new_itemsets): Allocate `shift_symbol' here.
19011 (allocate_itemsets): symbol_count includes useless nonterminals.
19012 Make room for them.
19013 (free_storage): Use `free', not `XFREE', for pointers that cannot
19016 2001-12-05 Akim Demaille <akim@epita.fr>
19018 * src/nullable.c (set_nullable): Deobfuscate the handling of
19020 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
19022 2001-12-05 Akim Demaille <akim@epita.fr>
19024 * src/gram.c, src/gram.h (ritem_print): New.
19025 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
19026 (This useless function was defined only to work around VMS linkers
19027 that can't handle compilation units with variables only).
19028 * src/reduce.c (dump_grammar): Use it to trace the construction of
19031 2001-12-04 Paul Eggert <eggert@twinsun.com>
19033 * src/bison.simple (union yyalloc): Change member names
19034 to be the same as the stack names.
19035 (yyparse): yyptr is now union yyalloc *, not char *.
19036 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
19037 and may generate better code on some machines.
19038 (yystpcpy): Use prototype if __STDC__ is defined, not just
19039 if __cplusplus is defined.
19041 2001-11-30 Akim Demaille <akim@epita.fr>
19043 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
19044 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
19045 Gettext doesn't compile cleanly, and dies with -Werror.
19046 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
19047 Include WARNING_CFLAGS here.
19048 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
19049 before being defined.
19051 2001-11-27 Paul Eggert <eggert@twinsun.com>
19053 * lib/quotearg.h (quotearg_n, quotearg_n_style):
19054 First arg is int, not unsigned.
19055 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
19056 (SIZE_MAX, UINT_MAX): New macros.
19057 (quotearg_n_options): Abort if N is negative.
19058 Avoid overflow check on hosts where size_t is 64 bits and int
19059 is 32 bits, as overflow is impossible there.
19060 Fix off-by-one typo that caused unnecessary reallocation.
19062 2001-11-29 Paul Eggert <eggert@twinsun.com>
19064 Name space cleanup in generated parser.
19066 * doc/bison.texinfo (Bison Parser): Discuss system headers
19067 and their effect on the user name space.
19069 * src/bison.simple:
19070 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
19071 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
19072 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
19074 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
19075 on user names when possible.
19077 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
19078 Simplify test for whather <alloca.h> exists.
19080 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
19082 (<stdio.h>): Include if YYDEBUG.
19084 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
19085 ! defined (yyoverflow) && ! defined (yymemcpy).
19087 (yymemcpy, yyparse): Rename local variables as needed so that
19088 they all begin with 'yy'.
19090 (yystrlen, yystpcpy): New functions.
19092 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
19095 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
19096 instead of relying on string.h functions. Use YYSTACK_ALLOC
19097 and YYSTACK_FREE instead of malloc and free.
19099 2001-11-30 Akim Demaille <akim@epita.fr>
19101 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
19102 before their first uses.
19103 (YYBISON, YYPURE): Move to the top of the output.
19105 2001-11-30 Akim Demaille <akim@epita.fr>
19107 * tests/reduce.at (Useless Nonterminals): Fix.
19109 2001-11-30 Akim Demaille <akim@epita.fr>
19111 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
19112 if body instead of `;' to pacify GCC's warnings.
19114 2001-11-30 Akim Demaille <akim@epita.fr>
19116 Instead of mapping the LHS of unused rules to -1, keep the LHS
19117 valid, but flag the rules as invalid.
19119 * src/gram.h (rule_t): `useful' is a new member.
19120 * src/print.c (print_grammar): Adjust.
19121 * src/derives.c (set_derives): Likewise.
19122 * src/reader.c (packgram, reduce_output): Likewise.
19123 * src/reduce.c (reduce_grammar_tables): Likewise.
19124 * tests/reduce.at (Underivable Rules, Useless Rules): New.
19126 2001-11-30 Akim Demaille <akim@epita.fr>
19128 * src/reduce.c (reduce_output): Formatting changes.
19129 * src/print.c (print_results, print_grammar): Likewise.
19130 * tests/regression.at (Rule Line Numbers)
19131 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
19133 2001-11-30 Akim Demaille <akim@epita.fr>
19135 * src/reduce.c (nonterminals_reduce): Instead of throwing away
19136 useless nonterminals, move them at the end of the symbol arrays.
19137 (reduce_output): Adjust.
19138 * tests/reduce.at (Useless Nonterminals): Adjust.
19140 2001-11-30 Akim Demaille <akim@epita.fr>
19142 * src/reduce.c: Various comment/formatting changes.
19143 (nonterminals_reduce): New, extracted from...
19144 (reduce_grammar_tables): here.
19145 (reduce_grammar): Call nonterminals_reduce.
19147 2001-11-29 Paul Eggert <eggert@twinsun.com>
19149 * src/bison.simple (YYSTACK_REALLOC): Remove.
19150 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
19151 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
19153 (union yyalloc): New type.
19154 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
19155 an arbitrary restriction on hosts where size_t is wider than int.
19157 (yyparse): Don't dump core if alloca or malloc fails; instead, report
19158 a parser stack overflow. Allocate just one block of memory for all
19159 three stacks, instead of allocating three blocks; this typically is
19160 faster and reduces fragmentation.
19162 Do not limit the number of items in the stack to a value that fits
19163 in 'int', as this is an arbitrary limit on hosts with 64-bit
19164 size_t and 32-bit int.
19166 2001-11-29 Marc Autret <autret_m@epita.fr>
19168 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
19169 of defining YYERROR_VERBOSE.
19170 [AT_DATA]: $4 is now out of C declarations in the prologue.
19172 2001-11-28 Marc Autret <autret_m@epita.fr>
19174 * src/reader.c (parse_dquoted_param): New.
19175 (parse_skel_decl): Use it.
19176 * src/lex.h: Add its prototype.
19177 * src/lex.c (literalchar): Become not static.
19179 2001-11-28 Marc Autret <autret_m@epita.fr>
19181 * src/output.h: And put its extern declaration here.
19182 * src/output.c (error_verbose): Define here.
19183 (prepare): Echo name modification.
19184 * src/getargs.h: Clean its extern declaration.
19185 * src/getargs.c (error_verbose_flag): Remove.
19186 (getargs): Remove case 'e'.
19187 * src/options.c (option_table): 'error-verbose' is now seen as simple
19191 * src/reader.c (read_declarations): Remove case tok_include.
19192 (parse_include_decl): Remove.
19193 * src/lex.h (token_t): Remove tok_include.
19194 * src/options.c (option_table): 'include' is now a simple command line
19197 2001-11-28 Marc Autret <autret_m@epita.fr>
19199 * src/bison.simple: Adjust muscle names.
19200 * src/muscle_tab.c (muscle_init): Also rename the muscles.
19201 * src/output.c (prepare): s/_/-/ for the muscles names.
19202 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
19204 2001-11-28 Marc Autret <autret_m@epita.fr>
19206 * src/bison.simple: Fix debug.
19207 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
19209 2001-11-28 Akim Demaille <akim@epita.fr>
19211 * src/LR0.c (shifts_new): New.
19212 (save_shifts, insert_start_shift, augment_automaton): Use it.
19214 2001-11-28 Akim Demaille <akim@epita.fr>
19216 * src/closure.c (closure): `b' and `ruleno' denote the same value:
19219 2001-11-28 Akim Demaille <akim@epita.fr>
19221 * src/closure.c (closure): Instead of looping over word in array
19222 then bits in words, loop over bits in array.
19224 2001-11-28 Akim Demaille <akim@epita.fr>
19226 * src/closure.c (closure): No longer optimize the special case
19227 where all the bits of `ruleset[r]' are set to 0, to make the code
19230 2001-11-28 Akim Demaille <akim@epita.fr>
19232 * src/closure.c (closure): `r' and `c' are new variables, used to
19233 de-obfuscate accesses to RULESET and CORE.
19235 2001-11-28 Akim Demaille <akim@epita.fr>
19237 * src/reduce.c (reduce_print): Use ngettext.
19238 (dump_grammar): Improve the trace accuracy.
19240 2001-11-28 Akim Demaille <akim@epita.fr>
19242 * src/reduce.c (dump_grammar): Don't translate trace messages.
19244 2001-11-28 Akim Demaille <akim@epita.fr>
19246 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
19247 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
19248 as all tags are free'ed afterwards.
19249 From Enrico Scholz.
19251 2001-11-27 Paul Eggert <eggert@twinsun.com>
19253 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
19254 use alloca when we didn't want to, and vice versa.
19256 2001-11-27 Marc Autret <autret_m@epita.fr>
19258 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
19260 * src/output.c (prepare): Remove its update.
19262 2001-11-27 Marc Autret <autret_m@epita.fr>
19264 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
19265 Use %error-verbose.
19267 2001-11-27 Marc Autret <autret_m@epita.fr>
19269 * src/bison.simple: Remove YYERROR_VERBOSE using.
19270 Use %%error_verbose.
19271 (yyparse): Likewise.
19272 * src/output.c (prepare): Give its final value.
19273 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
19274 * src/getargs.h: Add its extern declaration.
19275 * src/getargs.c (error_verbose_flag): New int.
19276 (getargs): Update to catch new case.
19277 * src/options.c (option_table): 'error-verbose' is a new option.
19278 (shortopts): Update.
19280 2001-11-27 Akim Demaille <akim@epita.fr>
19282 * src/system.h: Use intl/libgettext.h.
19283 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
19285 2001-11-27 Akim Demaille <akim@epita.fr>
19287 * tests/torture.at (Exploding the Stack Size with Malloc):
19288 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
19290 2001-11-27 Akim Demaille <akim@epita.fr>
19292 * src/files.c: Include error.h.
19293 Reported by Hans Aberg.
19295 2001-11-26 Marc Autret <autret_m@epita.fr>
19297 * src/reader.c (parse_include_decl): New, not yet implemented.
19298 (read_declarations): Add case tok_include.
19299 * src/getargs.h (include): Add its extern definition.
19300 * src/getargs.c (include): New const char *.
19301 (getargs): Add case '-I'.
19302 * src/options.c (option_table): Add include as command line and
19304 * src/lex.h (token_t): Add tok_include.
19306 2001-11-26 Akim Demaille <akim@epita.fr>
19308 * src/reader.c (readgram): Make sure rules for mid-rule actions
19309 have a lineno equal to that of their host rule.
19310 Reported by Hans Aberg.
19311 * tests/regression.at (Rule Line Numbers): New.
19313 2001-11-26 Akim Demaille <akim@epita.fr>
19315 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
19318 2001-11-26 Akim Demaille <akim@epita.fr>
19320 * src/complain.c, src/complain.h (error): Remove, provided by
19323 2001-11-26 Akim Demaille <akim@epita.fr>
19325 * src/reader.c (read_declarations): Don't abort on tok_illegal,
19326 issue an error message.
19327 * tests/regression.at (Invalid %directive): New.
19328 Reported by Hans Aberg.
19330 2001-11-26 Akim Demaille <akim@epita.fr>
19332 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
19333 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
19335 2001-11-26 Akim Demaille <akim@epita.fr>
19337 * src/conflicts.c (conflicts_print): Don't complain at all when
19338 there are no reduce/reduce conflicts, and as many shift/reduce
19339 conflicts as expected.
19340 * tests/regression.at (%expect right): Adjust.
19342 2001-11-23 Akim Demaille <akim@epita.fr>
19344 * lib/alloca.c: Update, from fileutils.
19346 2001-11-23 Akim Demaille <akim@epita.fr>
19348 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
19350 2001-11-23 Akim Demaille <akim@epita.fr>
19352 * src/system.h: Include alloca.h.
19353 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
19355 2001-11-23 Akim Demaille <akim@epita.fr>
19357 * src/print_graph.c (print_actions): Remove `rule', unused.
19358 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
19359 pacify GCC's signed < unsigned warnings.
19360 * src/closure.c (itemsetsize): Likewise.
19361 * src/reader.c (symbol_list_new): Static.
19363 2001-11-23 Akim Demaille <akim@epita.fr>
19365 Attaching lineno to buckets is stupid, since only one copy of each
19366 symbol is kept, only the line of the first occurrence is kept too.
19368 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
19369 * src/reader.c (rline_allocated): Remove, unused.
19370 (symbol_list): Have a `line' member.
19371 (symbol_list_new): New.
19372 (readgram): Use it.
19373 * src/print.c (print_grammar): Output the rule line numbers.
19374 * tests/regression.at (Solved SR Conflicts)
19375 (Unresolved SR Conflicts): Adjust.
19376 Reported by Hans Aberg.
19378 2001-11-22 Marc Autret <autret_m@epita.fr>
19380 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
19382 2001-11-22 Marc Autret <autret_m@epita.fr>
19384 * src/muscle_tab.c (muscle_init): Remove initialization of
19386 * src/output.c (output_master_parser): Do it here.
19388 2001-11-20 Akim Demaille <akim@epita.fr>
19391 * configure.in (ALL_LINGUAS): Adjust.
19392 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
19393 longer contains strings to translate.
19395 2001-11-19 Akim Demaille <akim@epita.fr>
19397 * src/conflicts.c (conflicts_print): Add a missing \n.
19399 2001-11-19 Akim Demaille <akim@epita.fr>
19401 * src/nullable.c (nullable_print): New.
19402 (set_nullable): Call it when tracing.
19403 Better locality of variables.
19405 2001-11-19 Akim Demaille <akim@epita.fr>
19407 * src/print.c (print_actions): Better locality of variables.
19409 2001-11-19 Akim Demaille <akim@epita.fr>
19411 * src/derives.c (print_derives): Fix and enrich.
19412 * src/closure.c (print_fderives): Likewise.
19414 2001-11-19 Akim Demaille <akim@epita.fr>
19416 * src/closure.c (itemsetend): Remove, replaced with...
19417 (itemsetsize): new.
19419 2001-11-19 Akim Demaille <akim@epita.fr>
19421 * src/LR0.c (kernel_end): Remove, replaced with...
19422 (kernel_size): new.
19424 2001-11-19 Akim Demaille <akim@epita.fr>
19426 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
19429 2001-11-19 Akim Demaille <akim@epita.fr>
19431 * src/closure.c (closure): Use arrays instead of pointers to clarify.
19433 2001-11-19 Akim Demaille <akim@epita.fr>
19435 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
19437 * src/LR0.c: Likewise.
19438 (allocate_itemsets): Use arrays instead of pointers to clarify.
19440 2001-11-19 Akim Demaille <akim@epita.fr>
19442 * src/getargs.c (statistics_flag): Replace with...
19444 (longopts): Accept --trace instead of --statistics.
19445 * src/getargs.h, src/options.c: Adjust.
19446 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
19447 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
19449 2001-11-19 Akim Demaille <akim@epita.fr>
19451 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
19452 pointers to clarify the code.
19453 (save_reductions, save_shifts): Factor common parts of alternatives.
19455 2001-11-19 Akim Demaille <akim@epita.fr>
19457 * src/LR0.c (new_state, get_state): Complete TRACE code.
19458 * src/closure.c: Include `reader.h' to get `tags', needed by the
19460 Rename the conditional DEBUG as TRACE.
19461 Output consistently TRACEs to stderr, not stdout.
19462 * src/derives.c: Likewise.
19463 * src/reduce.c: (inaccessable_symbols): Using if is better style
19465 Use `#if TRACE' instead of `#if 0' for tracing code.
19467 2001-11-19 Akim Demaille <akim@epita.fr>
19469 * src/system.h (LIST_FREE, shortcpy): New.
19470 * src/LR0.c: Use them.
19471 * src/output.c (free_itemsets, free_reductions, free_shifts):
19472 Remove, replaced by LIST_FREE.
19474 2001-11-19 Akim Demaille <akim@epita.fr>
19476 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
19477 (REDUCTIONS_ALLOC): New.
19478 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
19481 2001-11-19 Akim Demaille <akim@epita.fr>
19483 * src/LR0.c (new_state): Complete trace code.
19484 * src/nullable.c (set_nullable): Don't translate traces.
19486 2001-11-19 Akim Demaille <akim@epita.fr>
19488 * src/print_graph.c (print_core): Better locality of variables.
19489 * src/print.c (print_core): Likewise.
19491 2001-11-19 Akim Demaille <akim@epita.fr>
19493 * src/vcg.c: You do the output, so you are responsible of the
19494 handling of VCG syntax, in particular: use quotearg.
19495 * src/print_graph.c: Don't.
19496 (print_actions): Don't output the actions as part of the nodes,
19497 since that's the job of the edges.
19498 (print_state): Don't output by hand: fill the node description,
19499 and ask for its output.
19501 2001-11-19 Akim Demaille <akim@epita.fr>
19503 * src/bison.simple (yyparse): When verbosely reporting an error,
19504 no longer put additional quotes around token names.
19505 * tests/calc.at: Adjust.
19507 2001-11-19 Akim Demaille <akim@epita.fr>
19509 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
19510 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
19511 * src/output.c: Adjust.
19513 2001-11-19 Akim Demaille <akim@epita.fr>
19515 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
19517 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
19519 2001-11-19 Akim Demaille <akim@epita.fr>
19521 * src/gram.h (rule_t): New.
19523 (rrhs, rlhs): Remove, part of state_t.
19524 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
19525 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
19526 * src/reader.c, src/reduce.c: Adjust.
19528 2001-11-19 Akim Demaille <akim@epita.fr>
19530 * src/reader.c (symbols_output): New, extracted from...
19531 (packsymbols): Here.
19534 2001-11-19 Akim Demaille <akim@epita.fr>
19536 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
19537 (maxrhs): this new function.
19539 2001-11-19 Akim Demaille <akim@epita.fr>
19541 * src/lalr.c (F): New macro to access the variable F.
19544 2001-11-19 Akim Demaille <akim@epita.fr>
19546 * src/lalr.h (LA): New macro to access the variable LA.
19547 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19548 * src/lalr.c: Adjust.
19550 2001-11-19 Akim Demaille <akim@epita.fr>
19552 * src/lalr.c (initialize_LA): Only initialize LA. Let...
19553 (set_state_table): handle the `lookaheads' members.
19555 2001-11-19 Akim Demaille <akim@epita.fr>
19557 * src/lalr.h (lookaheads): Removed array, whose contents is now
19559 (state_t): this structure.
19560 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19563 2001-11-19 Akim Demaille <akim@epita.fr>
19565 * src/lalr.h (consistent): Removed array, whose contents is now
19567 (state_t): this structure.
19568 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19571 2001-11-19 Akim Demaille <akim@epita.fr>
19573 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
19574 contents are now members of...
19575 (state_t): this structure.
19576 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
19579 2001-11-19 Akim Demaille <akim@epita.fr>
19581 * src/lalr.h (state_t): New.
19582 (state_table): Be a state_t * instead of a core **.
19583 (accessing_symbol): Remove, part of state_t.
19584 * src/lalr.c: Adjust.
19585 (set_accessing_symbol): Merge into...
19586 (set_state_table): this.
19587 * src/print_graph.c, src/conflicts.c: Adjust.
19589 2001-11-14 Akim Demaille <akim@epita.fr>
19591 * tests/calc.at, tests/output.at, tests/regression.at,
19592 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
19593 now the tests are run in private dirs, therefore AC_CLEANUP and
19594 family can be simplified to 0-ary.
19595 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
19596 use abs. path to find config.h.
19597 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
19598 stderr, there can be way too much random noise.
19599 Instead pass -Werror to GCC and rely on the exit status.
19600 Reported by Wolfram Wagner.
19602 2001-11-14 Akim Demaille <akim@epita.fr>
19604 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
19605 defined only if yyoverflow is defined, to avoid `warning: unused
19607 Reported by The Test Suite.
19609 2001-11-14 Akim Demaille <akim@epita.fr>
19611 * src/print.c: Include reduce.h.
19612 Reported by Hans Aberg.
19614 2001-11-14 Akim Demaille <akim@epita.fr>
19616 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
19617 Revert a previous patch: these are really const.
19618 * src/conflicts.c (conflict_report): Additional useless pair of
19619 braces to pacify GCC's warnings for `if () if () {} else {}'.
19620 * src/lex.c (parse_percent_token): Replace equal_offset with
19623 Be sure to strdup `arg' when used, since there is no reason for
19624 token_buffer not to change.
19626 2001-11-14 Akim Demaille <akim@epita.fr>
19628 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
19630 * src/main.c (main): Use them.
19631 Suggested by Hans Aberg.
19633 2001-11-12 Akim Demaille <akim@epita.fr>
19635 * src/system.h (ngettext): Now that we use ngettext, be sure to
19636 provide a default definition when NLS are not used.
19638 2001-11-12 Akim Demaille <akim@epita.fr>
19640 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
19641 Use @kbd to denote user input.
19642 (Language and Grammar): ANSIfy the example.
19643 Adjust its layout for info/notinfo.
19644 (Location Tracking Calc): Output error messages to stderr.
19645 Output locations in a more GNUtically correct way.
19646 Fix a couple of Englishos.
19647 Adjust @group/@end group pairs.
19649 2001-11-12 Akim Demaille <akim@epita.fr>
19651 %expect was not functioning at all.
19653 * src/conflicts.c (expected_conflicts): Set to -1.
19654 (conflict_report): Use ngettext.
19655 (conflicts_print): Check %expect and make its violation an error.
19656 * doc/bison.texinfo (Expect Decl): Adjust.
19657 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
19658 * tests/regression.at (%expect not enough, %expect right)
19659 (%expect too much): New.
19661 2001-11-12 Akim Demaille <akim@epita.fr>
19663 * tests/regression.at (Conflicts): Rename as...
19664 (Unresolved SR Conflicts): this.
19665 (Solved SR Conflicts): New.
19667 2001-11-12 Akim Demaille <akim@epita.fr>
19669 * src/reduce.c (print_results): Rename as...
19670 (reduce_output): This.
19671 Output to OUT, passed as argument, instead of output_obstack.
19672 (dump_grammar): Likewise.
19673 (reduce_free): New.
19675 (reduce_grammar): No longer call reduce_output, since...
19676 * src/print.c (print_results): do it.
19677 * src/main.c (main): Call reduce_free;
19679 2001-11-12 Akim Demaille <akim@epita.fr>
19681 * src/conflicts.c (print_reductions): Accept OUT as argument.
19682 Output to it, not to output_obstack.
19683 * src/print.c (print_actions): Adjust.
19685 2001-11-12 Akim Demaille <akim@epita.fr>
19687 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
19688 the result instead of using...
19689 (src_total, rrc_total, src_count, rrc_count): Remove.
19690 (any_conflicts): Remove.
19691 (print_conflicts): Split into...
19692 (conflicts_print, conflicts_output): New.
19693 * src/conflicts.h: Adjust.
19694 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
19695 * src/print.c (print_grammar): Issue `\n' between two rules.
19696 * tests/regression.at (Conflicts): New.
19697 Reported by Tom Lane.
19699 2001-11-12 Akim Demaille <akim@epita.fr>
19701 * tests/regression.at (Invalid input): Remove, duplicate with
19702 ``Invalid input: 1''.
19704 2001-11-12 Akim Demaille <akim@epita.fr>
19706 * tests/torture.at (AT_DATA_STACK_TORTURE)
19707 (Exploding the Stack Size with Alloca)
19708 (Exploding the Stack Size with Malloc): New.
19710 2001-11-12 Akim Demaille <akim@epita.fr>
19712 * src/bison.simple (YYSTACK_REALLOC): New.
19713 (yyparse) [!yyoverflow]: Use it and free the old stack.
19714 Reported by Per Allansson.
19716 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
19718 * src/bison.simple: Define type yystype instead of YYSTYPE, and
19719 define CPP macro, which substitute YYSTYPE by yystype.
19720 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
19721 with yyltype/YYLTYPE. This allows inclusion of the generated
19722 header within the parser if the compiler, such as GGC, accepts
19723 multiple equivalent #defines.
19726 2001-11-05 Akim Demaille <akim@epita.fr>
19728 * src/reader.c (symbols_output): New, extracted from...
19729 (packsymbols): here.
19732 2001-11-05 Akim Demaille <akim@epita.fr>
19734 * src/lex.c (parse_percent_token): s/quotearg/quote/.
19736 2001-11-05 Akim Demaille <akim@epita.fr>
19738 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
19741 2001-11-05 Akim Demaille <akim@epita.fr>
19743 * src/options.h (struct option_table_struct): set_flags is void*.
19744 * src/options.c (longopts): Support `--output' and `%output'.
19746 * src/lex.h (tok_setopt): Remove, replaced with...
19747 (tok_intopt, tok_stropt): these new guys.
19748 * src/lex.c (getopt.h): Not needed.
19749 (token_buffer, unlexed_token_buffer): Not const.
19750 (percent_table): Promote `-' over `_' in directive names.
19751 Active `%name-prefix', `file-prefix', and `output'.
19752 (parse_percent_token): Accept possible arguments to directives.
19753 Promote `-' over `_' in directive names.
19755 2001-11-04 Akim Demaille <akim@epita.fr>
19757 * doc/bison.texinfo (Decl Summary): Split the list into
19758 `directives for grammars' and `directives for bison'.
19760 Add description of `%name-prefix', `file-prefix', and `output'.
19761 Promote `-' over `_' in directive names.
19762 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
19763 Simplify the description of `--name-prefix'.
19764 Promote `-' over `_' in directive names.
19765 Promote `--output' over `--output-file'.
19766 Fix the description of `--defines'.
19767 * tests/output.at: Exercise %file-prefix and %output.
19769 2001-11-02 Akim Demaille <akim@epita.fr>
19771 * doc/refcard.tex: Update.
19773 2001-11-02 Akim Demaille <akim@epita.fr>
19775 * src/symtab.h (SUNDEF): New.
19776 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
19777 stand for `uninitialized', instead of 0.
19778 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
19779 * src/lex.c (lex): Adjust.
19781 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
19783 Let yylex return it instead of a plain 0.
19784 Reported by Dick Streefland.
19786 2001-11-02 Akim Demaille <akim@epita.fr>
19788 * tests/regression.at (Mixing %token styles): New test.
19790 2001-11-02 Akim Demaille <akim@epita.fr>
19792 * src/reader.c (parse_thong_decl): Formatting changes.
19793 (token_translations_init): New, extracted from...
19794 (packsymbols): Here.
19797 2001-11-01 Akim Demaille <akim@epita.fr>
19799 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
19800 Check that `9foo.y' produces correct cpp guards.
19801 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
19805 2001-11-01 Akim Demaille <akim@epita.fr>
19807 * tests/regression.at (Invalid input: 2): New.
19808 * src/lex.c (unlexed_token_buffer): New.
19809 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
19813 2001-11-01 Akim Demaille <akim@epita.fr>
19815 * tests/calc.at: Catch up with 1.30.
19816 * configure.in: Bump to 1.49a.
19817 Adjust to newer Autotest.
19819 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
19821 * src/conflicts.c: Move global variables rrc_total and src_total ...
19822 (print_conflicts): here.
19823 * src/output.c (output): Free global variable user_toknums.
19824 * src/lex.c (token_obstack): Become static.
19826 2001-10-18 Akim Demaille <akim@epita.fr>
19828 * tests/atlocal.in (GCC): Add.
19829 * tests/calc.at: s/m4_match/m4_bmatch/.
19830 s/m4_patsubst/m4_bpatsubst/.
19831 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
19832 * configure.in: AC_SUBST(GCC).
19834 2001-10-14 Marc Autret <autret_m@epita.fr>
19836 * src/options.c (create_long_option_table): Fix.
19838 2001-10-10 Akim Demaille <akim@epita.fr>
19840 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
19842 2001-10-04 Akim Demaille <akim@epita.fr>
19844 * src/reader.c (parse_union_decl): Push the caracters in
19845 union_obstack, not attrs_obstack.
19847 2001-10-04 Akim Demaille <akim@epita.fr>
19849 Merge in the branch 1.29.
19851 * src/reader.c (packsymbols): Use a temporary obstack for
19852 `%%tokendef', since output_stack is already used elsewhere.
19854 2001-10-02 Akim Demaille <akim@epita.fr>
19858 2001-10-02 Akim Demaille <akim@epita.fr>
19862 2001-10-02 Akim Demaille <akim@epita.fr>
19864 * tests/regression.at (Invalid CPP headers): New.
19865 From Alexander Belopolsky.
19866 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
19868 2001-10-02 Akim Demaille <akim@epita.fr>
19870 * tests/regression.at (Invalid input): New.
19871 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
19874 2001-10-02 Akim Demaille <akim@epita.fr>
19876 * tests/calc.at: Now that --debug works, the tests must be adjusted.
19878 2001-10-02 Akim Demaille <akim@epita.fr>
19880 * src/output.c (output_parser): Assert `skeleton'.
19881 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
19885 2001-10-01 Marc Autret <autret_m@epita.fr>
19887 * src/lex.h: Echo modifications.
19888 * src/lex.c (unlex): Parameter is now token_t.
19891 2001-10-01 Marc Autret <autret_m@epita.fr>
19893 * src/main.c: Include lex.h.
19896 2001-09-29 Akim Demaille <akim@epita.fr>
19898 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
19900 2001-09-28 Akim Demaille <akim@epita.fr>
19902 * tests/testsuite.at: Update to newer Autotest.
19903 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
19905 2001-09-27 Akim Demaille <akim@epita.fr>
19907 Position independent wrapper.
19909 * tests/bison: Remove.
19910 * tests/bison.in: New.
19911 * configure.in: Adjust.
19913 2001-09-27 Paul Eggert <eggert@twinsun.com>
19915 Port quotearg fixes from tar 1.13.24.
19917 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
19919 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
19920 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
19922 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
19923 * m4/mbrtowc.m4: New file.
19924 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
19925 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
19927 2001-09-27 Akim Demaille <akim@epita.fr>
19931 2001-09-27 Akim Demaille <akim@epita.fr>
19935 2001-09-25 Akim Demaille <akim@epita.fr>
19937 * src/system.h: Include `xalloc.h'.
19938 Remove it from the C files.
19939 * src/files.c (output_files): Free the obstacks.
19940 * src/lex.c (init_lex): Rename as...
19943 * src/main.c (main): Use it.
19945 2001-09-24 Marc Autret <autret_m@epita.fr>
19947 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
19948 to output informations in fout (FILE*).
19949 (open_graph, close_graph): Likewise.
19950 (output_graph, output_edge, output_node): Likewise.
19951 * src/vcg.h: Update function prototypes.
19952 * src/print_graph.c (print_graph): Open output graph file.
19953 (print_actions): Adjust.
19954 * src/files.h: Remove extern declaration.
19955 * src/files.c: Remove graph_obstack declaration.
19956 (open_files): Remove graph_obstack initialization.
19957 (output_files): Remove graph_obstack saving.
19959 2001-09-24 Marc Autret <autret_m@epita.fr>
19961 * src/files.c (compute_output_file_names): Fix.
19963 2001-09-24 Marc Autret <autret_m@epita.fr>,
19964 Akim Demaille <akim@epita.fr>
19966 * src/reader.c (reader): Remove call to free_symtab ().
19967 * src/main.c (main): Call it here.
19969 * src/conflicts.c (initialize_conflicts): Rename as...
19970 (solve_conflicts): this.
19971 * src/print.c (print_core, print_actions, print_state)
19972 (print_grammar): Dump to a file instead a `output_obstack'.
19973 (print_results): Dump `output_obstack', and then proceed with the
19975 * src/files.c (compute_output_file_names, close_files): New.
19976 (output_files): Adjust.
19977 * src/main.c (main): Adjust.
19979 2001-09-23 Marc Autret <autret_m@epita.fr>
19981 * src/files.c (compute_header_macro): Computes header macro name
19982 from spec_defines_file when given.
19984 2001-09-23 Marc Autret <autret_m@epita.fr>
19986 * src/files.c (output_files): Add default extensions.
19988 2001-09-22 Akim Demaille <akim@epita.fr>
19990 * src/conflicts.c (finalize_conflicts): Rename as...
19991 (free_conflicts): this.
19993 2001-09-22 Akim Demaille <akim@epita.fr>
19995 * src/gram.c (gram_free): Rename back as...
19997 (output_token_translations): Free `token_translations'.
19998 * src/symtab.c (free_symtab): Free the tag field.
20000 2001-09-22 Akim Demaille <akim@epita.fr>
20002 Remove `translations' as it is always set to true.
20004 * src/gram.h: Adjust.
20005 * src/reader.c (packsymbols, parse_token_decl): Adjust
20006 * src/print.c (print_grammar): Adjust.
20007 * src/output.c (output_token_translations): Adjust.
20008 * src/lex.c (lex): Adjust.
20009 * src/gram.c: Be sure the set pointers to NULL.
20010 (dummy): Rename as...
20013 2001-09-22 Akim Demaille <akim@epita.fr>
20015 * configure.in: Invoke AM_LIB_DMALLOC.
20016 * src/system.h: Use dmalloc.
20017 * src/LR0.c: Be sure to have pointers initialized to NULL.
20018 (allocate_itemsets): Allocate kernel_items only if needed.
20020 2001-09-22 Akim Demaille <akim@epita.fr>
20022 * configure.in: Bump to 1.29b.
20023 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
20024 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
20025 need xmalloc.c in calc.y.
20028 2001-09-21 Akim Demaille <akim@epita.fr>
20031 * Makefile.maint, config/config.guess, config/config.sub,
20032 * config/missing: Update from masters.
20033 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
20035 * configure.in (ALL_LINGUAS): Add `tr'.
20037 2001-09-21 Akim Demaille <akim@epita.fr>
20039 * tests/Makefile.am (package.m4): Move to...
20040 ($(srcdir)/$(TESTSUITE)): here.
20042 2001-09-20 Akim Demaille <akim@epita.fr>
20044 * src/complain.c: No longer try to be standalone: use system.h.
20045 Don't assume __STDC__ is defined to 1. Just test if it is defined.
20046 * src/complain.h: Likewise.
20047 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
20048 Remove the unused variable `n'.
20049 From Albert Chin-A-Young.
20051 2001-09-18 Marc Autret <autret_m@epita.fr>
20053 * doc/bison.1: Update.
20054 * doc/bison.texinfo (Bison Options): Update --defines and --graph
20056 (Option Cross Key): Update.
20059 2001-09-18 Marc Autret <autret_m@epita.fr>
20061 * tests/regression.at: New test (comment in %union).
20063 2001-09-18 Marc Autret <autret_m@epita.fr>
20065 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
20067 Reported by Keith Browne.
20069 2001-09-18 Marc Autret <autret_m@epita.fr>
20071 * tests/output.at: Add tests for --defines and --graph.
20073 2001-09-18 Marc Autret <autret_m@epita.fr>
20075 * tests/output.at: Removes tests of %{header,src}_extension features.
20077 2001-09-18 Akim Demaille <akim@epita.fr>
20079 * tests/Makefile.am (package.m4): New.
20080 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
20081 (_AT_CHECK_CALC_ERROR): Likewise.
20082 Factor the `, ' part of verbose error messages.
20084 2001-09-18 Marc Autret <autret_m@epita.fr>
20086 * src/getargs.c (longopts): Declare --defines and --graph as options
20087 with optional arguments.
20088 * src/files.h: Add extern declarations.
20089 * src/files.c (spec_graph_file, spec_defines_file): New.
20090 (output_files): Update.
20091 Remove CPP-outed code.
20093 2001-09-18 Marc Autret <autret_m@epita.fr>
20095 Turn off %{source,header}_extension feature.
20097 * src/files.c (compute_exts_from_gf): Update.
20098 (compute_exts_from_src): Update.
20099 (output_files): CPP-out useless code.
20100 * src/files.h: Remove {header,source}_extension extern declarations.
20101 * src/reader.c (parse_dquoted_param): CPP-out.
20102 (parse_header_extension_decl): Remove.
20103 (parse_source_extension_decl): Remove.
20104 (read_declarations): Remove cases tok_{hdrext,srcext}.
20105 * src/lex.c (percent_table): Remove {header,source}_extension entries.
20106 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
20108 2001-09-10 Akim Demaille <akim@epita.fr>
20110 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
20111 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
20112 (AT_CHECK_OUTPUT): this.
20113 Merely check ls' exit status, its output is useless.
20115 2001-09-10 Akim Demaille <akim@epita.fr>
20117 * tests/calc.at: Use m4_match.
20118 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
20120 2001-09-10 Marc Autret <autret_m@epita.fr>,
20121 Akim Demaille <akim@epita.fr>
20123 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
20125 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
20127 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
20128 * src/lex.h: Adjust prototype.
20129 (token_t): Add `tok_undef'.
20130 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
20131 (parse_percent_token): Now returns token_t.
20132 Add default statement in switch.
20133 (lex): Separate `c' as an input variable, from the token_t result
20135 (unlexed): Is a token_t.
20137 2001-09-10 Akim Demaille <akim@epita.fr>
20139 * configure.in: Bump to 1.29a.
20141 2001-09-07 Akim Demaille <akim@epita.fr>
20145 2001-08-30 Akim Demaille <akim@epita.fr>
20147 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
20148 * m4/atconfig.m4: Remove.
20149 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
20150 * tests/bison: New.
20151 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
20152 m4_if, m4_patsubst, and m4_regexp.
20153 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
20154 `input' file instead of echo.
20156 2001-08-29 Akim Demaille <akim@epita.fr>
20160 2001-08-29 Akim Demaille <akim@epita.fr>
20164 2001-08-29 Paul Eggert <eggert@twinsun.com>
20166 * src/bison.simple (yyparse): Don't take the address of an
20167 item before the start of an array, as that doesn't conform to
20170 2001-08-29 Robert Anisko <anisko_r@epita.fr>
20172 * doc/bison.texinfo (Location Tracking Calc): New node.
20174 2001-08-29 Paul Eggert <eggert@twinsun.com>
20176 * src/output.c (output): Do not define const, as this now
20177 causes more problems than it cures.
20179 2001-08-29 Akim Demaille <akim@epita.fr>
20181 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
20183 Be sure to tag the `detailmenu'.
20185 2001-08-29 Akim Demaille <akim@epita.fr>
20187 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
20188 download in a tmp dir.
20190 2001-08-28 Marc Autret <autret_m@epita.fr>
20192 * config/depcomp: New file.
20194 2001-08-28 Marc Autret <autret_m@epita.fr>
20196 * doc/bison.1 (mandoc): Adjust.
20197 From Juan Manuel Guerrero.
20199 2001-08-28 Marc Autret <autret_m@epita.fr>
20201 * src/print_graph.c (print_state): Fix.
20203 2001-08-27 Marc Autret <autret_m@epita.fr>
20205 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
20207 Echo modifications to the functions prototypes.
20208 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
20210 2001-08-27 Marc Autret <autret_m@epita.fr>
20212 * src/vcg.c: Include `xalloc.h'.
20213 (add_colorentry): New.
20214 (add_classname): New.
20215 (add_infoname): New.
20216 * src/vcg.h: Add new prototypes.
20218 2001-08-27 Akim Demaille <akim@epita.fr>
20220 * Makefile.maint: Sync. again with CVS Autoconf.
20222 2001-08-27 Akim Demaille <akim@epita.fr>
20224 * Makefile.maint: Formatting changes.
20225 (po-update, cvs-update, update): New targets.
20228 2001-08-27 Akim Demaille <akim@epita.fr>
20230 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20231 * Makefile.maint: Sync. with CVS Autoconf.
20233 2001-08-27 Marc Autret <autret_m@epita.fr>
20235 * src/vcg.h (struct infoname_s): New.
20236 (struct colorentry_s): New.
20237 (graph_s): New fields {vertical,horizontal}_order in structure.
20238 Add `infoname' field.
20239 Add `colorentry' field;
20240 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
20241 (G_HORIZONTAL_ORDER): New.
20243 (G_COLORENTRY): New.
20244 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
20245 Add output of `infoname'.
20246 Add output of `colorentry'.
20248 2001-08-27 Marc Autret <autret_m@epita.fr>
20250 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
20251 This one shadowed a global parameter.
20253 2001-08-24 Marc Autret <autret_m@epita.fr>
20255 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
20256 instead of `unsigned'.
20257 (print_state): Do not call obstack_object_size () in obstack_grow ()
20258 to avoid macro variables shadowing.
20260 2001-08-23 Marc Autret <autret_m@epita.fr>
20262 * src/lex.c (percent_table): Typo: s/naem/name/.
20264 Normalize new options declarations.
20266 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
20268 * tests/suite.at: Exercise %header_extension and %source_extension.
20270 2001-08-16 Marc Autret <autret_m@epita.fr>
20272 * src/reader.c (parse_dquoted_param): New.
20273 (parse_header_extension_decl): Use it.
20274 (parse_source_extension_decl): Likewise.
20276 2001-08-16 Marc Autret <autret_m@epita.fr>
20278 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
20279 (get_xxxx_str): Use assert () instead of complain ().
20280 Remove return invokations in default cases.
20281 (get_decision_str): Modify default behaviour. Remove second argument.
20282 Echo modifications on calls.
20283 (output_graph): Fix.
20285 2001-08-16 Marc Autret <autret_m@epita.fr>
20287 * src/getargs.c (usage): Update with ``-g, --graph''.
20289 2001-08-16 Marc Autret <autret_m@epita.fr>
20291 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
20292 (Option Cross Key): Likewise.
20293 * doc/bison.1: Update.
20295 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
20297 * src/output.c (output_master_parser): Don't finish action_obstack.
20298 (output_parser): Don't care about the muscle action, here.
20299 (prepare): Copy the action_obstack in the action muscle.
20300 (output): Free action_obstack.
20302 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
20304 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
20305 will contain `%union' declaration.
20306 (parse_union_decl): Delete #line directive output.
20307 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
20308 informations about %union.
20309 (parse_union_decl): Copy the union_obstack in the muscle stype.
20310 * src/bison.simple: Add new #line directive.
20311 Add typdef %%stype YYSTYPE.
20313 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
20315 * src/bison.simple: Add new `#line' directive.
20317 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
20319 * src/bison.simple: New `#line' directive.
20320 * src/output.c (output_parser): Support new dynamic muscle input_line.
20322 2001-09-22 Marc Autret <autret_m@epita.fr>
20324 * src/output.c (output_master_parser): New.
20325 (output_parser): Be more re-entrant.
20327 2001-09-21 Marc Autret <autret_m@epita.fr>
20329 * src/reader.c (copy_definition, parse_union_decl): Update and use
20331 (copy_action): Likewise.
20332 Use obstack_1grow ().
20333 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
20335 2001-09-21 Marc Autret <autret_m@epita.fr>
20337 * src/options.c (option_table): Adjust.
20338 * src/lex.c (parse_percent_token): Fix.
20340 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
20342 * src/options.c (symtab.h): Include it, need by lex.h.
20344 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
20346 * src/lex.c (parse_percent_token): Change type of variable `tx', which
20347 is now an option_table_struct*.
20348 (option_strcmp): New function option_strcmp.
20349 (parse_percent_token): Call option_strcmp.
20350 * src/getargs.c (xalloc.h, options.h): Include it.
20351 (getargs): Call create_long_option_table.
20352 (getargs): Free longopts at the end of the function.
20353 (shortopts): Move in options.c.
20354 * src/options.c (create_long_option_table): New function. Convert
20355 information from option_table to option structure.
20356 * src/reader.c (options.h): Include it.
20358 * src/Makefile.am: Adjust.
20359 * src/options.c (option_table): Create from longopts and percent_table.
20360 * src/getargs.c (longopts): Delete.
20361 * src/lex.c (struct percent_table_struct): Delete.
20362 (percent_table): Delete.
20363 (options.h): Include it.
20364 * src/options.c: Create.
20365 * src/options.h: Create.
20366 Declare enum opt_access_e.
20367 Define struct option_table_struct.
20369 2001-09-20 Marc Autret <autret_m@epita.fr>
20371 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
20374 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
20376 * src/bison.simple: s/%%filename/%%skeleton.
20377 * src/muscle_tab.c (getargs.h): Include it.
20378 (muscle_init): Insert new muscle skeleton.
20380 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
20382 * src/output.c (output_parser): Delete unused variable actions_dumped.
20384 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
20386 * src/output.c (output): Delete call to reader_output_yylsp.
20387 * src/reader.c (reader): Likewise.
20388 * src/reader.h: Delete declaration of reader_output_yylsp.
20390 2001-09-02 Marc Autret <autret_m@epita.fr>
20392 * src/reader.c: Include muscle_tab.h.
20393 (parse_union_decl): Update.
20394 (parse_macro_decl): Rename parse_muscle_decl.
20395 Update to use renamed functions and variable.
20396 (read_declarations, copy_action, read_additionnal_code, : Updated
20397 with correct variables and functions names.
20398 (packsymbols, reader): Likewise.
20400 * src/reader.h (muscle_obstack): Extern declaration update.
20402 * src/output.c: Include muscle_tab.h
20403 In all functions using macro_insert, change by using muscle_insert ().
20404 (macro_obstack): Rename muscle_obstack.
20405 Echo modifications in the whole file.
20406 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
20407 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
20408 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
20410 * src/muscle_tab.h: Update double inclusion macros.
20411 (macro_entry_s): Rename muscle_entry_s.
20414 * src/muscle_tab.c: Include muscle_tab.h.
20415 Rename macro_tabble to muscle_table.
20416 (mhash1, mhash2, mcmp): Use muscle_entry.
20417 (macro_init): Rename muscle_init. Update.
20418 (macro_insert): Rename muscle_insert. Update.
20419 (macro_find): Rename muscle_find. Update.
20421 * src/main.c: Include muscle_tab.h.
20422 (main): Call muscle_init ().
20423 * src/Makefile.am (bison_SOURCES): Echo modifications.
20425 2001-09-02 Marc Autret <autret_m@epita.fr>
20427 Now the files macro_tab.[ch] are named muscle_tab.[ch].
20429 * src/muscle_tab.c, src/muscle_tab.h: Add files.
20431 2001-09-02 Marc Autret <autret_m@epita.fr>
20433 * src/macrotab.c, src/macrotab.h: Remove.
20435 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
20437 * src/reader.c (copy_guard): Use muscle to specify the `#line'
20440 2001-09-01 Marc Autret <autret_m@epita.fr>
20442 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
20443 to an explicit value to activate the feature. We do it here.
20445 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20447 * src/output.c (prepare): Delete the `filename' muscule insertion.
20448 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
20449 (parse_union_decl): Likewise.
20450 * src/macrotab.c (macro_init): Initialize filename by infile.
20452 2001-08-31 Marc Autret <autret_m@epita.fr>
20454 * src/bison.simple (YYLSP_NEEDED): New definition.
20455 * src/output.c (prepare): Add macro insertion of `locations_flag'
20457 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20459 * src/output.c (prepare): Delete insertion of previous muscles,
20460 and insert the `prefix' muscles.
20461 * src/macrotab.c (macro_init): Likewise.
20462 (macro_init): Initialization prefix directive by `yy'.
20463 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
20464 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
20465 yylval, yydebug, yyerror, yynerrs and yyparse.
20466 New directive `#define' to substitute yydebug, ... with option
20469 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20471 * src/main.c (main): Standardize.
20472 * src/output.c (output_table_data, output_parser): Likewise.
20473 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
20475 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
20477 * src/reader.c (read_additionnal_code): Rename %%user_code to
20479 * src/output.c (output): Rename %%declarations to %%prologue.
20480 * src/bison.simple: Echo modifications.
20482 2001-08-31 Marc Autret <autret_m@epita.fr>
20484 * src/reader.c (readgram): CleanUp.
20485 (output_token_defines): Likewise.
20486 (packsymbols): Likewise.
20487 (reader): Likewise.
20488 * src/output.c (output): CPP-out useless code.
20490 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
20492 * src/reader.c (reader): Delete obsolete call to function
20493 output_trailers and output_headers.
20494 * src/output.h: Remove obsolete functions prototypes of output_headers
20495 and output_trailers.
20497 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
20499 * src/main.c: Include macrotab.h.
20500 * src/macrotab.h (macro_entry_s): Constify fields.
20501 Adjust functions prototypes.
20502 * src/macrotab.c (macro_insert): Constify key and value.
20503 (macro_find): Constify key.
20504 (macro_insert): Include 'xalloc.h'
20505 (macro_insert): Use XMALLOC.
20506 (macro_find): Constify return value.
20507 * src/output.c (output_table_data): Rename table to table_data.
20508 (output_parser): Constify macro_key, macro_value.
20510 2001-08-30 Marc Autret <autret_m@epita.fr>
20512 * src/reader.c (parse_skel_decl): New.
20513 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
20514 * src/lex.h (token_t): New token `tok_skel'.
20515 * src/lex.c (percent_table): Add skeleton option entry.
20518 2001-08-29 Marc Autret <autret_m@epita.fr>
20520 * src/bison.simple: Add %%user_code directive at the end.
20521 * src/reader.c (read_additionnal_code): New.
20523 * src/output.c (output_program): Remove.
20526 2001-08-28 Marc Autret <autret_m@epita.fr>
20528 * src/output.c (output_actions): Clean up.
20529 (output_gram): CPP-out useless code.
20530 * src/reader.c (reader): Clean up, CPP-out useless code.
20532 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
20534 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
20536 * src/bison.simple: Add `%%definitions'.
20538 2001-08-28 Marc Autret <autret_m@epita.fr>
20540 * config/depcomp: New file.
20542 2001-08-27 Paul Eggert <eggert@twinsun.com>
20544 * src/bison.simple (yyparse): Don't take the address of an
20545 item before the start of an array, as that doesn't conform to
20548 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20550 * src/output.c (output): Remove the initialization of the macro
20551 obstack. It was done too late here.
20553 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
20555 (reader): Initialize the macro obstack here, since we need it to grow
20556 '%define' directives.
20558 * src/reader.h: Declare the macro obstack as extern.
20560 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
20562 * src/output.c (output_parser): Fix. Store single '%' characters in
20563 the output obstack instead of throwing them away.
20565 2001-08-27 Akim Demaille <akim@epita.fr>
20567 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
20569 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20571 * lib/Makefile.am: Adjust.
20573 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20575 * src/bison.simple: Update and add '%%' directives.
20577 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20579 * src/reader.c (reader): Remove calls to 'output_headers' and
20580 'output_trailers'. Remove some C output.
20581 (readgram): Disable a piece of code that was writing a default
20582 definition for 'YYSTYPE'.
20583 (reader_output_yylsp): Remove.
20584 (packsymbols): Output token defintions to a macro.
20585 (copy_definition): Disable C output.
20587 * src/reader.c (parse_macro_decl): New function used to parse macro
20589 (copy_string2): Put the body of copy_string into this new function.
20590 Add a parameter to let the caller choose whether he wants to copy the
20591 string delimiters or not.
20592 (copy_string): Be a simple call to copy_string2 with the last argument
20594 (read_declarations): Add case for macro definition.
20595 (copy_identifier): New.
20596 (parse_macro_decl): Read macro identifiers using copy_identifier
20599 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20601 * src/output.c (prepare): Add prefixed names.
20602 (output_parser): Output semantic actions.
20603 (output_parser): Fix bug on '%%line' directives.
20605 * src/output.c (output_headers): Remove. The C code printed by this
20606 function should now be in the skeletons.
20607 (output_trailers): Remove.
20608 (output): Disable call to 'reader_output_yylsp'.
20609 (output_rule_data): Do not output tables to the table obstack.
20611 * src/output.c: Remove some C dedicated output.
20612 Improve the use of macro and output obstacks.
20613 (output_defines): Remove.
20615 * src/output.c (output_token_translations): Associate 'translate'
20616 table with a macro. No output to the table obstack.
20617 (output_gram): Same for 'rhs' and 'prhs'.
20618 (output_stos): Same for 'stos'.
20619 (output_rule_data): Same for 'r1' and 'r2'.
20620 (token_actions): Same for 'defact'.
20621 (goto_actions): Same for 'defgoto'.
20622 (output_base): Same for 'pact' and 'pgoto'.
20623 (output_table): Same for 'table'.
20624 (output_check): Same for 'check'.
20626 * src/output.c (output_table_data): New function.
20627 (output_short_table): Remove.
20628 (output_short_or_char_table): Remove.
20630 * src/output.c (output_parser): Replace most of the skeleton copy code
20631 with something new. Skeletons are now processed character by character
20632 rather than line by line, and Bison looks for '%%' macros. This is the
20633 first step in making Bison's output process (a lot) more flexible.
20634 (output_parser): Use the macro table.
20636 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20638 * src/main.c (main): Initialize the macro table.
20640 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20642 * src/lex.c (percent_table): Add tok_define.
20643 * src/lex.h: Add tok_define.
20645 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20647 * src/macrotab.c: New file.
20648 * src/macrotab.h: New file.
20649 * src/Makefile.am: Update.
20651 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
20653 * lib/hash.c: New file.
20654 * lib/hash.h: New file.
20655 * lib/Makefile.am: Update.
20657 2001-08-15 Akim Demaille <akim@epita.fr>
20661 2001-08-15 Marc Autret <autret_m@epita.fr>
20663 * src/reader.c (readgram): Indent output macro YYSTYPE.
20664 (packsymbols): Likewise.
20665 (output_token_defines): Likewise.
20666 * src/files.c: Standardize.
20667 (compute_header_macro): New.
20668 (defines_obstack_save): New. Use compute_header_macro.
20669 (output_files): Update. Use defines_obstack_save.
20671 2001-08-15 Akim Demaille <akim@epita.fr>
20673 * doc/bison.texinfo (Table of Symbols): Document
20674 YYSTACK_USE_ALLOCA.
20676 2001-08-15 Akim Demaille <akim@epita.fr>
20678 * missing: Update from CVS Automake.
20679 * config/config.guess, config/config.sub, config/texinfo.tex:
20680 Update from gnu.org.
20682 2001-08-15 Akim Demaille <akim@epita.fr>
20684 * Makefile.maint: Sync with CVS Autoconf.
20686 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
20688 * doc/bison.texinfo: Include GNU Free Documentation License from
20690 * doc/fdl.texi: Add to package.
20692 2001-08-14 Marc Autret <autret_m@epita.fr>
20694 Turn on %{source,header}_extension features.
20696 * src/lex.c (percent_table): Un-CPP out header_extension and
20698 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
20699 (compute_exts_from_src): Remove conditions. It restores priorities
20702 2001-08-14 Marc Autret <autret_m@epita.fr>
20704 * src/files.c (compute_base_names): Add extensions computing when
20705 `--file-prefix' used.
20706 Standardize function calls.
20708 2001-08-13 Marc Autret <autret_m@epita.fr>
20710 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
20711 defining it (defined but null disables alloca).
20713 2001-08-13 Marc Autret <autret_m@epita.fr>
20715 * src/bison.simple (_yy_memcpy): CPP reformat.
20717 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
20719 * tests/atconfig.in (CPPFLAGS): Fix.
20721 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
20723 * doc/bison.texinfo: Include GNU General Public License from
20725 * doc/gpl.texi: Add to package.
20727 2001-08-10 Marc Autret <autret_m@epita.fr>
20729 * src/print_graph.h: Fix.
20730 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
20732 2001-08-10 Akim Demaille <akim@epita.fr>
20734 * src/system.h: Provide default declarations for stpcpy, strndup,
20737 2001-08-10 Robert Anisko <anisko_r@epita.fr>
20739 * doc/bison.texinfo (Locations): Update @$ stuff.
20741 2001-08-09 Robert Anisko <anisko_r@epita.fr>
20743 * src/bison.simple (YYLLOC_DEFAULT): Update.
20746 2001-08-08 Marc Autret <autret_m@epita.fr>
20748 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
20749 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
20750 Reported by Fabrice Bauzac.
20752 2001-08-08 Marc Autret <autret_m@epita.fr>
20754 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
20755 * src/vcg.c (output_node): Fix.
20756 * src/vcg.h: Cleanup.
20757 * src/print_graph.c: Add comments.
20758 (node_output_size): New global variable. Simplify the formatting of
20759 the VCG graph output.
20760 (print_actions): Unused code is now used. It notifies the final state
20761 and no action states in the VCG graph. It also give the reduce actions.
20762 The `shift and goto' edges are red and the `go to state' edges are
20764 Get the current node name and node_obstack by argument.
20765 (node_obstack): New variable.
20766 (print_state): Manage node_obstack.
20767 (print_core): Use node_obstack given by argument.
20768 A node is not only computed here but in print_actions also.
20769 (print_graph): CPP out useless code instead of commenting it.
20771 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
20773 * tests/atconfig.in (CPPFLAGS): Fix.
20775 2001-08-07 Akim Demaille <akim@epita.fr>
20777 * src/print_graph.c (quote): New.
20778 (print_core): Use it.
20780 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
20782 * src/vcg.c (complain.h): Include it.
20783 Unepitaize `return' invocations.
20784 [NDEBUG] (main): Remove.
20785 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
20786 * src/files.c (open_files): Initialize graph_obstack.
20787 * src/print_graph.c (print_actions): CPP out useless code.
20788 (print_core): Don't output the last `\n' in labels.
20790 * src/files.c (output_files): Output the VCG file.
20791 * src/main.c (main): Invoke print_graph ();
20793 2001-08-06 Marc Autret <autret_m@epita.fr>
20795 Automaton VCG graph output.
20796 Using option ``-g'' or long option ``--graph'', you can generate
20797 a gram_filename.vcg file containing a VCG description of the LALR (1)
20798 automaton of your grammar.
20800 * src/main.c: Call to print_graph() function.
20801 * src/getargs.h: Update.
20802 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
20803 (graph_flag): New flag.
20804 (longopts): Update.
20805 (getargs): Add case `g'.
20806 * src/files.c (graph_obstack): New obstack struct.
20807 (open_files): Initialize new obstack.
20808 (output_files): Saves graph_obstack if required.
20809 * src/files.h (graph_obstack): New extern declaration.
20810 * src/Makefile.am: Add new source files.
20812 2001-08-06 Marc Autret <autret_m@epita.fr>
20814 * src/print_graph.c, src/print_graph.h (graph): New.
20815 * src/vcg.h: New file.
20816 * src/vcg.c: New file, VCG graph handling.
20818 2001-08-06 Marc Autret <autret_m@epita.fr>
20820 Add of %source_extension and %header_extension which specify
20821 the source or/and the header output file extension.
20823 * src/files.c (compute_base_names): Remove initialisation of
20824 src_extension and header_extension.
20825 (compute_exts_from_gf): Update.
20826 (compute_exts_from_src): Update.
20827 (output_files): Update.
20828 * src/reader.c (parse_header_extension_decl): New.
20829 (parse_source_extension_decl): New.
20830 (read_declarations): New case statements for the new tokens.
20831 * src/lex.c (percent_table): Add entries for %source_extension
20832 and %header_extension.
20833 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
20835 2001-08-06 Marc Autret <autret_m@epita.fr>
20837 * configure.in: Bump to 1.28c.
20838 * doc/bison.texinfo: Texinfo thingies.
20840 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
20842 * tests/atconfig.in (CPPFLAGS): Add.
20843 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
20845 2001-08-03 Akim Demaille <akim@epita.fr>
20849 2001-08-03 Akim Demaille <akim@epita.fr>
20851 * tests/Makefile.am (check-local): Ship testsuite.
20852 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
20853 Include `string.h'.
20855 2001-08-03 Akim Demaille <akim@epita.fr>
20857 * configure.in: Try using -Wformat when compiling.
20859 2001-08-03 Akim Demaille <akim@epita.fr>
20861 * configure.in: Bump to 1.28b.
20863 2001-08-03 Akim Demaille <akim@epita.fr>
20865 * src/complain.c: Adjust strerror_r portability issues.
20867 2001-08-03 Akim Demaille <akim@epita.fr>
20871 2001-08-03 Akim Demaille <akim@epita.fr>
20873 * src/getargs.c, src/getarg.h (skeleton)): Constify.
20874 * src/lex.c (literalchar): Avoid name clashes on `buf'.
20875 * src/getargs.c: Include complain.h.
20876 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
20877 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
20879 2001-08-03 Akim Demaille <akim@epita.fr>
20881 * src/reader.c (readgram): Display hidden chars in error messages.
20883 2001-08-03 Akim Demaille <akim@epita.fr>
20885 Update to gettext 0.10.39.
20887 2001-08-03 Akim Demaille <akim@epita.fr>
20889 * lib/strspn.c: New.
20891 2001-08-01 Marc Autret <autret_m@epita.fr>
20893 * doc/bison.texinfo: Update.
20894 * doc/bison.1 (mandoc): Update.
20895 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
20896 * src/files.c: Support output files extensions computing.
20897 (src_extension): New static variable.
20898 (header_extension): New static variable.
20899 (tr): New function.
20900 (get_extension_index): New function, gets the index of an extension
20901 filename in a string.
20902 (compute_exts_from_gf): New function, computes extensions from the
20903 grammar file extension.
20904 (compute_exts_from_src): New functions, computes extensions from the
20905 C source file extension, file given by ``-o'' option.
20906 (compute_base_names): Update.
20907 (output_files): Update.
20909 2001-08-01 Robert Anisko <anisko_r@epita.fr>
20911 * doc/bison.texi: Document @$.
20912 (Locations): New section.
20914 2001-07-18 Akim Demaille <akim@epita.fr>
20916 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
20917 * config/prev-version.txt, config/move-if-change: New.
20918 * Makefile.am: Adjust.
20920 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
20922 * src/bison.simple (yyparse): Suppress warning `comparaison
20923 between signed and unsigned'.
20925 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
20927 * src/getargs.h (raw_flag): Remove.
20928 * src/getargs.c: Die on `-r'/`--raw'.
20929 * src/lex.c (parse_percent_token): Die on `%raw'.
20930 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
20931 * tests/calc.at: Suppress test with option `--raw'.
20933 2001-07-14 Akim Demaille <akim@epita.fr>
20936 * configure.in: Require Autoconf 2.50.
20937 Update to gettext 0.10.38.
20939 2001-03-16 Akim Demaille <akim@epita.fr>
20941 * doc/bison.texinfo: ANSIfy the examples.
20943 2001-03-16 Akim Demaille <akim@epita.fr>
20945 * getargs.c (skeleton): New variable.
20946 (longopts): --skeleton is a new option.
20947 (shortopts, getargs): -S is a new option.
20948 * getargs.h: Declare skeleton.
20949 * output.c (output_parser): Use it.
20951 2001-03-16 Akim Demaille <akim@epita.fr>
20953 * m4/strerror_r.m4: New.
20954 * m4/error.m4: Run AC_FUNC_STRERROR_R.
20955 * lib/error.h, lib/error.c: Update.
20957 2001-03-16 Akim Demaille <akim@epita.fr>
20959 * src/getargs.c (longopts): Clean up.
20961 2001-02-21 Akim Demaille <akim@epita.fr>
20963 * src/reader.c (gensym): `gensym_count' is your own.
20964 Use a static buf to create the symbol name, as token_buffer is no
20967 2001-02-08 Akim Demaille <akim@epita.fr>
20969 * src/conflicts.c (conflict_report): Be sure not to append to res
20970 between two calls, which could happen if both first sprintf were
20971 skipped, but not the first cp += strlen.
20973 2001-02-08 Akim Demaille <akim@epita.fr>
20975 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
20976 New, from fileutils 4.0.37.
20977 * configure.in: Require Autoconf 2.49c. I took some time before
20978 making this decision. This is the only way out for portability
20979 issues in Bison, it would mean way too much duplicate effort to
20980 import in Bison features implemented in 2.49c since 2.13.
20981 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
20983 2001-02-02 Akim Demaille <akim@epita.fr>
20985 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
20986 * lib/xalloc.h, lib/xmalloc.c: Update.
20988 2001-01-19 Akim Demaille <akim@epita.fr>
20990 Get rid of the ad hoc handling of token_buffer in the scanner: use
20993 * src/lex.c (token_obstack): New.
20994 (init_lex): Initialize it. No longer call...
20995 (grow_token_buffer): this. Remove it.
20996 Adjust all the places which used it to use the obstack.
20998 2001-01-19 Akim Demaille <akim@epita.fr>
21000 * src/lex.h: Rename all the tokens:
21001 s/\bENDFILE\b/tok_eof/g;
21002 s/\bIDENTIFIER\b/tok_identifier/g;
21004 Let them be enums, not #define, to ease debugging.
21005 Adjust all the code.
21007 2001-01-18 Akim Demaille <akim@epita.fr>
21009 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
21010 * src/lex.c (maxtoken, grow_token_buffer): Static.
21012 2001-01-18 Akim Demaille <akim@epita.fr>
21014 Since we now use obstacks, more % directives can be enabled.
21016 * src/lex.c (percent_table): Also accept `%yacc',
21017 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
21019 Handle the actions for `%semantic_parser' and `%pure_parser' here,
21020 instead of returning a token.
21021 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
21022 * src/reader.c (read_declarations): Adjust.
21023 * src/files.c (open_files): Don't call `compute_base_names', don't
21024 compute `attrsfile' since they depend upon data which might be
21025 *in* the input file now.
21026 (output_files): Do it here.
21027 * src/output.c (output_headers): Document the fact that this patch
21028 introduces a guaranteed SEGV for semantic parsers.
21029 * doc/bison.texinfo: Document them.
21030 * tests/suite.at: Exercise these %options.
21032 2000-12-20 Akim Demaille <akim@epita.fr>
21034 Also handle the output file (--verbose) with obstacks.
21036 * files.c (foutput): Remove.
21037 (output_obstack): New.
21038 Adjust all dependencies.
21039 * src/conflicts.c: Return a string.
21040 * src/system.h (obstack_grow_string): Rename as...
21041 (obstack_sgrow): this. Be ready to work with non literals.
21042 (obstack_fgrow4): New.
21044 2000-12-20 Akim Demaille <akim@epita.fr>
21046 * src/files.c (open_files): Fix the computation of short_base_name
21047 in the case of `-o foo.tab.c'.
21049 2000-12-20 Akim Demaille <akim@epita.fr>
21051 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
21052 (copy_dollar): Now that everything uses obstacks, get rid of the
21055 2000-12-20 Akim Demaille <akim@epita.fr>
21057 * src/files.c (open_files): Actually the `.output' file is based
21058 on the short_base_name, not base_name.
21059 * tests/suite.at (Checking output file names): Adjust.
21061 2000-12-20 Akim Demaille <akim@epita.fr>
21063 * src/bison.s1: Remove, we now use directly...
21064 * src/bison.simple: this.
21065 * src/Makefile.am: Use pkgdata instead of data.
21067 2000-12-20 Akim Demaille <akim@epita.fr>
21069 * src/files.c (guard_obstack): New.
21070 (open_files): Initialize it.
21071 (output_files): Dump it...
21072 * src/files.h: Export it.
21073 * src/reader.c (copy_guard): Use it.
21075 2000-12-19 Akim Demaille <akim@epita.fr>
21077 * src/files.c (outfile, defsfile, actfile): Removed as global
21079 (open_files): Don't compute them.
21080 (output_files): Adjust.
21081 (base_name, short_base_name): Be global.
21082 Adjust dependencies.
21084 2000-12-19 Akim Demaille <akim@epita.fr>
21086 * src/files.c (strsuffix): New.
21087 (stringappend): Be just like strcat but allocate.
21088 (base_names): Eve out from open_files.
21089 Try to simplify the rather hairy computation of base_name and
21091 (open_files): Use it.
21092 * tests/suite.at (Checking output file names): New test.
21094 2000-12-19 Akim Demaille <akim@epita.fr>
21096 * src/system.h (obstack_grow_literal_string): Rename as...
21097 (obstack_grow_string): this.
21098 * src/output.c (output_parser): Recognize `%% actions' instead of
21100 * src/bison.s1: s/$/%% actions/.
21101 * src/bison.hairy: Likewise.
21103 2000-12-19 Akim Demaille <akim@epita.fr>
21105 * src/output.c (output_parser): Compute the `#line' lines when
21107 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
21108 Suggested by Hans Aberg.
21110 2000-12-19 Akim Demaille <akim@epita.fr>
21112 Let the handling of the skeleton files be local to the procedures
21115 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
21117 (fparser, open_extra_files): Remove.
21118 (open_files, output_files): Don't take care of fparser.
21119 * src/files.h: Adjust.
21120 * src/output.c (output_parser): Open and close the file to the
21122 * src/reader.c (read_declarations): When %semantic_parser, open
21125 2000-12-19 Akim Demaille <akim@epita.fr>
21127 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
21128 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
21130 2000-12-19 Akim Demaille <akim@epita.fr>
21132 * src/files.c (open_files): Yipee! We no longer need all the code
21133 looking for `/tmp' since we have no tmp file.
21135 2000-12-19 Akim Demaille <akim@epita.fr>
21137 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
21139 * src/files.c (open_files): Less dependency on MSDOS etc.
21141 2000-12-14 Akim Demaille <akim@epita.fr>
21143 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
21144 Provide a default definition.
21145 Use it when executing the default @ action.
21146 * src/reader.c (reader_output_yylsp): No longer include
21147 `timestamp' and `text' in the default YYLTYPE.
21149 2000-12-12 Akim Demaille <akim@epita.fr>
21151 * src/reader.c (copy_definition, parse_union_decl, copy_action)
21152 (copy_guard): Quote the file names.
21153 Reported by Laurent Mascherpa.
21155 2000-12-12 Akim Demaille <akim@epita.fr>
21157 * src/output.c (output_headers, output_program, output): Be sure
21158 to escape special characters when outputting filenames.
21159 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
21160 (output_headers): Don't depend on them, Use ACTSTR.
21162 2000-11-17 Akim Demaille <akim@epita.fr>
21164 * lib/obstack.h: Formatting changes.
21165 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
21166 prevents type checking.
21167 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
21168 cast the value to (void *): assigning a `foo *' to a `void *'
21170 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
21171 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
21174 2000-11-17 Akim Demaille <akim@epita.fr>
21176 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
21178 (suite.m4, regression.m4, calc.m4): these.
21179 * tests/atgeneral.m4: Update from CVS Autoconf.
21181 2000-11-17 Akim Demaille <akim@epita.fr>
21183 * tests/regression.m4 (%union and --defines): New test,
21184 demonstrating a current bug in the obstack implementation.
21186 2000-11-17 Akim Demaille <akim@epita.fr>
21188 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
21190 Use them to declare the variables which are global or local to
21193 2000-11-17 Akim Demaille <akim@epita.fr>
21195 * acconfig.h: Remove, no longer used.
21197 2000-11-07 Akim Demaille <akim@epita.fr>
21199 * src: s/Copyright (C)/Copyright/g.
21201 2000-11-07 Akim Demaille <akim@epita.fr>
21203 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
21205 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
21207 2000-11-07 Akim Demaille <akim@epita.fr>
21209 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
21210 Merge in a single CPP if/else.
21212 2000-11-07 Akim Demaille <akim@epita.fr>
21214 * src/output.c (output): Remove useless variables.
21215 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
21216 argument `data' for consistency with the prototypes.
21217 Qualify it `const'.
21218 (obstack_copy, obstack_copy0): Rename the second argument as
21219 `address' for consistency. Qualify it `const'.
21220 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
21221 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
21222 `const' their input argument (`data' or `address').
21223 Adjust the corresponding macros to include `const' in casts.
21225 2000-11-03 Akim Demaille <akim@epita.fr>
21227 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
21228 s/PFILE1/BISON_HAIRY/.
21229 Adjust dependencies.
21231 2000-11-03 Akim Demaille <akim@epita.fr>
21233 For some reason, this was not applied.
21235 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21236 `unlink': it's no longer used.
21238 2000-11-03 Akim Demaille <akim@epita.fr>
21240 * src/files.c (skeleton_find): New function, eved out of...
21241 (open_files, open_extra_files): here.
21243 2000-11-03 Akim Demaille <akim@epita.fr>
21245 Don't use `atexit'.
21247 * src/files.c (obstack_save): New function.
21248 (done): Rename as...
21249 (output_files): this.
21250 Use `obstack_save'.
21251 * src/main.c (main): Don't use `atexit' to register `done', since
21252 it no longer has to remove tmp files, just call `output_files'
21253 when there are no errors.
21255 2000-11-02 Akim Demaille <akim@epita.fr>
21257 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
21258 `unlink': it's no longer used.
21259 * src/files.h: Formatting changes.
21261 2000-11-02 Akim Demaille <akim@epita.fr>
21263 Remove the last uses of mktemp and unlink/delete.
21265 * src/files.c (fdefines, ftable): Removed.
21266 (defines_ostack, table_obstack): New.
21267 Adjust dependencies of the former into uses of the latter.
21268 * src/output.c (output_short_or_char_table, output_short_table):
21269 Convert to using obstacks.
21270 * src/reader.c (copy_comment2): Accept one FILE * and two
21272 (output_token_defines, reader_output_yylsp): Use obstacks.
21273 * src/system.h (obstack_fgrow3): New.
21274 * po/POTFILES.in: Adjust.
21276 2000-11-01 Akim Demaille <akim@epita.fr>
21278 Change each use of `fattrs' into a use of `attrs_obstack'.
21280 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
21281 * src/files.c (fattrs): Remove.
21282 (attrs_obstack): New.
21283 Adjust all dependencies.
21284 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
21286 2000-11-01 Akim Demaille <akim@epita.fr>
21288 Introduce obstacks.
21289 Change each use of `faction' into a use of `action_obstack'.
21291 * lib/obstack.h, lib/obstack.c: New files.
21292 * src/files.c (faction): Remove.
21293 (action_obstack): New.
21294 Adjust all dependencies.
21296 2000-10-20 Akim Demaille <akim@epita.fr>
21298 * lib/quote.h (PARAMS): New macro. Use it.
21300 2000-10-16 Akim Demaille <akim@epita.fr>
21302 * src/output.c (output_short_or_char_table): New function.
21303 (output_short_table, output_token_translations): Use it.
21304 (goto_actions): Use output_short_table.
21306 2000-10-16 Akim Demaille <akim@epita.fr>
21308 * src/symtab.c (bucket_new): New function.
21311 * src/output.c (output_short_table): New argument to display the
21312 comment associated with the table.
21313 Adjust dependencies.
21314 (output_gram): Use it.
21315 (output_rule_data): Nicer output layout for YYTNAME.
21317 2000-10-16 Akim Demaille <akim@epita.fr>
21319 * src/lex.c (read_typename): New function.
21321 * src/reader.c (copy_dollar): Likewise.
21323 2000-10-16 Akim Demaille <akim@epita.fr>
21325 * src/reader.c (copy_comment2): Expect the input stream to be on
21326 the `/' which is suspected to open a comment, instead of being
21327 called after `//' or `/*' was read.
21328 (copy_comment, copy_definition, parse_union_decl, copy_action)
21329 (copy_guard): Adjust.
21331 2000-10-16 Akim Demaille <akim@epita.fr>
21333 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
21334 `read_signed_integer'.
21336 2000-10-16 Akim Demaille <akim@epita.fr>
21338 * src/reader.c (copy_dollar): New function.
21339 (copy_guard, copy_action): Use it.
21341 2000-10-16 Akim Demaille <akim@epita.fr>
21343 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
21344 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
21345 New files, from Fileutils 4.0.27.
21346 * src/main.c (printable_version): Remove.
21347 * src/lex.c, src/reader.c: Use `quote'.
21349 2000-10-04 Akim Demaille <akim@epita.fr>
21351 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
21353 2000-10-04 Akim Demaille <akim@epita.fr>
21355 * doc/bison.texinfo: Various typos spotted by Neil Booth.
21357 2000-10-04 Akim Demaille <akim@epita.fr>
21359 When a literal string is used to define two different tokens,
21360 `bison -v' segfaults.
21361 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
21363 * tests/regression.m4: New file.
21364 Include the core of the sample provided by Piotr Gackiewicz.
21365 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
21368 2000-10-04 Akim Demaille <akim@epita.fr>
21370 * src/reader.c (parse_expect_decl): Keep `count' within the size
21374 2000-10-02 Paul Eggert <eggert@twinsun.com>
21376 * bison.s1 (yyparse): Assign the default value
21377 unconditionally, to avoid a GCC warning and make the parser a
21380 2000-10-02 Akim Demaille <akim@epita.fr>
21382 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
21385 2000-10-02 Akim Demaille <akim@epita.fr>
21387 * src/derives.c, src/print.c, src/reduce.c: To ease the
21388 translation, move some `\n' out of the translated strings.
21390 2000-10-02 Akim Demaille <akim@epita.fr>
21392 The location tracking mechanism is precious for parse error
21393 messages. Nevertheless, it is enabled only when `@n' is used in
21394 the grammar, which is a different issue (you can use it in error
21395 message, but not in the grammar per se). Therefore, there should
21396 be another means to enable it.
21398 * src/getargs.c (getargs): Support `--locations'.
21399 (usage): Report it.
21400 * src/getargs.h (locationsflag): Export it.
21401 * src/lex.c (percent_table): Support `%locations'.
21402 * src/reader.c (yylsp_needed): Remove this variable, now replaced
21403 with `locationsflag'.
21404 * doc/bison.texinfo: Document `--locations' and `%locations'.
21406 * tests/calc.m4: Test it.
21408 For regularity of the names, replace each
21409 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
21410 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
21411 In addition replace each `flag' with `_flag'.
21413 2000-10-02 Akim Demaille <akim@epita.fr>
21415 Also test parse error messages, including with YYERROR_VERBOSE.
21417 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
21419 Use it to check the computations.
21420 Use it to check `nonassoc' is honored.
21421 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
21422 `--yyerror-verbose'.
21423 (_AT_CHECK_CALC): Adjust to this option.
21424 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
21426 2000-10-02 Akim Demaille <akim@epita.fr>
21428 Test also `--verbose', `--defines' and `--name-prefix'. Testing
21429 the latter demonstrates a flaw in the handling of non debugging
21430 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
21431 was used in order to simplify:
21447 unfortunately this leads to a CPP conflict when
21448 `--name-prefix=foo' is used since it produces `#define yydebug
21451 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
21452 (YYDPRINTF): New macro.
21454 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
21456 Also test `--verbose', `--defines' and `--name-prefix'.
21458 2000-10-02 Akim Demaille <akim@epita.fr>
21460 Improve the readability of the produced parsers.
21462 * src/bison.s1: Formatting changes.
21463 Improve the comment related to the `$' mark.
21464 (yydefault): Don't fall through to `yyresume': `goto' there.
21465 * src/output.c (output_parser): When the `$' is met, skip the end
21467 New variable, `number_of_dollar_signs', to check there's exactly
21468 one `$' in the parser skeleton.
21470 2000-10-02 Akim Demaille <akim@epita.fr>
21472 * lib/xstrdup.c: New file, from the fileutils.
21473 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
21474 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
21475 instead of strlen + xmalloc + strcpy.
21476 * src/symtab.c (copys): Remove, use xstrdup instead.
21478 2000-10-02 Akim Demaille <akim@epita.fr>
21480 * src/gram.h (associativity): New enum type which replaces the
21481 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
21482 `right_assoc', `left_assoc' and `non_assoc'.
21483 Adjust all dependencies.
21484 * src/reader.c: Formatting changes.
21485 (LTYPESTR): Don't define it, use it as a literal in
21486 `reader_output_yylsp'.
21487 * src/symtab.h (symbol_class): New enum type which replaces the
21488 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
21489 `sunknown', `stoken and `snterm'.
21491 2000-10-02 Akim Demaille <akim@epita.fr>
21493 * src/getargs.c (fixed_outfiles): Rename as...
21494 (yaccflag): for consistency and accuracy.
21495 Adjust dependencies.
21497 2000-10-02 Akim Demaille <akim@epita.fr>
21499 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
21500 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
21501 difficult and introduced a lot of core dump. It turns out that
21502 Bison used an implementation of `xmalloc' based on `calloc', and
21503 at various places it does depend upon the initialization to 0. I
21504 have not tried to isolate the pertinent places, and all the former
21505 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
21506 someone should address this issue.
21508 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
21509 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
21511 Adjust dependencies.
21512 * src/warshall.h: New file.
21515 2000-10-02 Akim Demaille <akim@epita.fr>
21517 Various anti-`extern in *.c' changes.
21519 * src/system.h: Include `assert.h'.
21521 2000-10-02 Akim Demaille <akim@epita.fr>
21523 * src/state.h (nstates, final_state, first_state, first_shift)
21524 (first_reduction): Move their exportation from here...
21525 * src/LR0.h: to here.
21526 Adjust dependencies.
21527 * src/getargs.c (statisticsflag): New variable.
21528 Add support for `--statistics'.
21529 Adjust dependencies.
21531 Remove a lot of now useless `extern' statements in most files.
21533 2000-10-02 Akim Demaille <akim@epita.fr>
21535 * src/LR0.h: New file.
21538 2000-10-02 Akim Demaille <akim@epita.fr>
21540 * src/print.h: New file.
21542 * src/print.c: Formatting and ordering changes.
21543 (verbose, terse): Replace with...
21544 (print_results): this new function.
21545 Adjust dependencies.
21547 2000-10-02 Akim Demaille <akim@epita.fr>
21549 * src/conflicts.c (conflict_report): New function.
21550 (conflict_log, verbose_conflict_log): Replace with...
21551 (print_conflicts): this function.
21552 Adjust dependencies.
21553 * src/conflicts.h: New file.
21554 Propagate its inclusion.
21556 2000-10-02 Akim Demaille <akim@epita.fr>
21558 * src/nullable.h: New file.
21559 Propagate its inclusion.
21560 * src/nullable.c: Formatting changes.
21562 2000-10-02 Akim Demaille <akim@epita.fr>
21564 * src/reduce.h: New file.
21565 Propagate its inclusion.
21566 * src/reduce.c: Topological sort and other formatting changes.
21567 (bool, TRUE, FALSE): Move their definition to...
21568 * src/system.h: here.
21570 2000-10-02 Akim Demaille <akim@epita.fr>
21572 * src/files.c: Formatting changes.
21573 (tryopen, tryclose, openfiles): Rename as...
21574 (xfopen, xfclose, open_files): this.
21575 (stringappend): static.
21576 * src/files.h: Complete the list of exported symbols.
21579 2000-10-02 Akim Demaille <akim@epita.fr>
21581 * src/reader.h: New file.
21582 Propagate its use instead of tedious list of `extern' and
21584 * src/reader.c: Formatting changes, topological sort,
21587 2000-10-02 Akim Demaille <akim@epita.fr>
21589 * src/lex.h: Prototype `lex.c' exported functions.
21590 * src/reader.c: Adjust.
21591 * src/lex.c: Formatting changes.
21592 (safegetc): Rename as...
21595 2000-10-02 Akim Demaille <akim@epita.fr>
21597 * src/lalr.h: New file.
21598 Propagate its inclusion instead of prototypes and `extern'.
21599 * src/lalr.c: Formatting changes, topological sorting etc.
21601 2000-10-02 Akim Demaille <akim@epita.fr>
21603 * src/output.c (token_actions): Introduce a temporary array,
21604 YYDEFACT, that makes it possible for this function to use
21605 output_short_table.
21607 2000-10-02 Akim Demaille <akim@epita.fr>
21609 `user_toknums' is output as a `short[]' in `output.c', while it is
21610 defined as a `int[]' in `reader.c'. For consistency with the
21611 other output tables, `user_toknums' is now defined as a table of
21614 * src/reader.c (user_toknums): Be a short table instead of an int
21616 Adjust dependencies.
21618 Factor the short table outputs.
21620 * src/output.c (output_short_table): New function.
21621 * src/output.c (output_gram, output_stos, output_rule_data)
21622 (output_base, output_table, output_check): Use it.
21624 2000-10-02 Akim Demaille <akim@epita.fr>
21626 * src/output.c (output): Topological sort of the functions, in
21627 order to get rid of the `static' prototypes.
21628 No longer use `register'.
21629 * src/output.h: New file.
21630 Propagate its inclusion in files explicitly prototyping functions
21633 2000-09-21 Akim Demaille <akim@epita.fr>
21635 * src/atgeneral.m4: Update from Autoconf.
21637 2000-09-21 Akim Demaille <akim@epita.fr>
21639 * src/closure.h: New file.
21640 * src/closure.c: Formatting changes, topological sort over the
21641 functions, use of closure.h.
21642 (initialize_closure, finalize_closure): Rename as...
21643 (new_closure, free_closure): these. Adjust dependencies.
21644 * src/LR0.c: Formatting changes, topological sort, use of
21646 (initialize_states): Rename as...
21647 (new_states): this.
21648 * src/Makefile.am (noinst_HEADERS): Adjust.
21650 2000-09-20 Akim Demaille <akim@epita.fr>
21652 * src/acconfig.h: Don't protect config.h against multiple
21654 Don't define PARAMS.
21655 * src/system.h: Define PARAMS.
21656 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
21657 purpose of config.h. system.h must not try to fix wrong
21658 definitions in config.h.
21660 2000-09-20 Akim Demaille <akim@epita.fr>
21662 * src/derives.h: New file.
21663 * src/main.c, src/derives.h: Use it.
21664 Formatting changes.
21665 * src/Makefile.am (noinst_HEADERS): Adjust.
21667 2000-09-20 Akim Demaille <akim@epita.fr>
21669 * tests/atgeneral.m4: Update from Autoconf.
21670 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
21671 (AT_CHECK_CALC): New macros.
21672 Use these macros to test bison with options `', `--raw',
21673 `--debug', `--yacc', `--yacc --debug'.
21675 2000-09-19 Akim Demaille <akim@epita.fr>
21677 * src/output.c: Formatting changes.
21678 * src/machine.h: Remove, leaving its contents in...
21679 * src/system.h: here.
21681 Adjust all dependencies on stdio.h and machine.h.
21682 * src/getargs.h: New file.
21683 Let all `extern' declarations about getargs.c be replaced with
21684 inclusion of `getargs.h'.
21685 * src/Makefile.am (noinst_HEADERS): Adjust.
21687 * tests/calc.m4 (yyin): Be initialized in main, not on the global
21689 (yyerror): Returns void, not int.
21690 * doc/bison.texinfo: Formatting changes.
21692 2000-09-19 Akim Demaille <akim@epita.fr>
21694 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
21697 2000-09-18 Akim Demaille <akim@epita.fr>
21699 * configure.in: Append WARNING_CFLAGS to CFLAGS.
21700 * src/Makefile.am (INCLUDES): Don't.
21701 Be ready to fetch headers in lib/.
21703 2000-09-18 Akim Demaille <akim@epita.fr>
21705 * doc/bison.texinfo: Update the copyright.
21706 ANSIfy and GNUify the examples.
21707 Remove the old menu.
21709 2000-09-18 Akim Demaille <akim@epita.fr>
21711 First set of tests: use the `calc' example from the documentation.
21713 * src/bison.s1 (yyparse): Condition the code using `yytname' which
21714 is defined only when YYDEBUG is.
21715 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
21716 * src/files.c (tryopen, tryclose): Formatting changes.
21717 Move to the top and be static.
21718 * src/reader.c (read_signed_integer): Likewise.
21719 * tests/calc.m4: New file.
21720 * Makefile.am, suite.m4: Adjust.
21721 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
21723 2000-09-18 Akim Demaille <akim@epita.fr>
21725 Add support for an Autotest test suite for Bison.
21727 * m4/m4.m4, m4/atconfig.m4: New files.
21728 * m4/Makefile.am (EXTRA_DIST): Adjust.
21729 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
21731 * src/getargs.c: Display a more standard --version message.
21732 * src/reader.c (reader): Formatting changes.
21733 No longer depend upon VERSION_STRING.
21734 * configure.in: No longer use `dnl'.
21735 Set up the test suite and the new directory `tests/.
21736 (VERSION_STRING): Remove.
21738 2000-04-14 Akim Demaille <akim@epita.fr>
21740 * src/reader.c (copy_comment2): New function, same as former
21741 `copy_comment', but outputs into two FILE *.
21742 (copy_comment): Use it.
21743 (parse_union_decl): Use it.
21744 (get_type, parse_start_decl): Use the same `invalid' message.
21745 (parse_start_decl, parse_union_decl): Use the same `multiple'
21747 (parse_union_decl, copy_guard, copy_action): Use the same
21748 `unmatched' message.
21749 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
21751 2000-03-31 Akim Demaille <akim@epita.fr>
21753 * src/files.c (tryopen, tryclose): Move to the top.
21756 2000-03-31 Akim Demaille <akim@epita.fr>
21758 * src/main.c (main): Don't call `done', exit does it.
21760 2000-03-31 Akim Demaille <akim@epita.fr>
21762 * allocate.c: s/return (foo)/return foo/.
21763 * lalr.c: Likewise.
21765 * output.c: Likewise.
21766 * reader.c: Likewise.
21767 * symtab.c: Likewise.
21768 * vmsgetargs.c: Likewise.
21770 2000-03-31 Akim Demaille <akim@epita.fr>
21772 Clean up the error reporting functions.
21774 * src/report.c: New file.
21775 * src/report.h: Likewise.
21776 * src/Makefile.am: Adjust.
21777 * m4/error.m4: New file.
21778 * m4/Makefile.am: Adjust.
21779 * configure.in (jm_PREREQ_ERROR): Call it.
21780 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
21782 (fatal, fatals): Remove. All callers use complain.c::fatal.
21783 (warn, warni, warns, warnss, warnss): Remove. All callers use
21784 complain.c::complain.
21785 (toomany): Remove, use fatal instead.
21786 * src/files.c (done): No argument, use complain_message_count.
21787 * src/main.c (main): Register `done' to `atexit'.
21789 * src/getargs.c (usage): More `fputs', less `fprintf'.
21791 2000-03-28 Akim Demaille <akim@epita.fr>
21793 * lib/: New directory.
21794 * Makefile.am (SUBDIRS): Adjust.
21795 * configure.in: Adjust.
21796 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
21798 * src/alloca.c: Moved to lib/.
21799 * src/getopt.c: Likewise.
21800 * src/getopt1.c: Likewise.
21801 * src/getopt.h: Likewise.
21802 * src/ansi2knr.c: Likewise.
21803 * src/ansi2knr.1: Likewise.
21804 * src/Makefile.am: Adjust.
21805 * lib/Makefile.am: New file.
21807 2000-03-28 Akim Demaille <akim@epita.fr>
21809 * src/getargs.c (usage): Refresh the help message.
21811 2000-03-17 Akim Demaille <akim@epita.fr>
21813 * src/getopt1.c: Updated from textutils 2.0e
21814 * src/getopt.c: Likewise.
21815 * src/getopt.h: Likewise.
21817 2000-03-17 Akim Demaille <akim@epita.fr>
21819 * src/Makefile.am (bison.simple): Fix the awk program: quote only
21820 the file name, not the whole `#line LINE FILE'.
21822 2000-03-17 Akim Demaille <akim@epita.fr>
21824 On syntax errors, report the token on which we choked.
21826 * src/bison.s1 (yyparse): In the label yyerrlab, when
21827 YYERROR_VERBOSE, add yychar in msg.
21829 2000-03-17 Akim Demaille <akim@epita.fr>
21831 * src/reader.c (copy_at): New function.
21832 (copy_guard): Use it.
21833 (copy_action): Use it.
21835 2000-03-17 Akim Demaille <akim@epita.fr>
21837 Be kind to translators, save some useless translations.
21839 * src/main.c (banner): New function.
21840 (fatal_banner): Use it.
21841 (warn_banner): Use it.
21843 2000-03-17 Akim Demaille <akim@epita.fr>
21845 * src/reader.c (copy_definition): Use copy_string and
21846 copy_comment. Removed now unused `match', `ended',
21848 (copy_comment, copy_string): Moved, to be visible from
21851 2000-03-17 Akim Demaille <akim@epita.fr>
21853 * src/reader.c (copy_string): Declare `static inline'. No
21854 problems with inline, since it is checked by configure.
21855 (copy_comment): Likewise.
21857 2000-03-17 Akim Demaille <akim@epita.fr>
21859 * src/reader.c (packsymbols): Formatting changes.
21861 2000-03-17 Akim Demaille <akim@epita.fr>
21863 * src/reader.c (copy_comment): New function, factored out from:
21864 (copy_action): Use it. Removed now unused `match', `ended',
21866 (copy_guard): Likewise.
21868 2000-03-17 Akim Demaille <akim@epita.fr>
21870 * src/reader.c (copy_string): New function, factored out from:
21871 (copy_action): Use it.
21872 (copy_guard): Likewise.
21874 2000-03-17 Akim Demaille <akim@epita.fr>
21876 Change the handling of @s so that they behave exactly like $s.
21877 There is now a pseudo variable @$ (readble and writable), location
21878 of the lhs of the rule (by default ranging from the location of
21879 the first symbol of the rhs, to the location of the last symbol,
21880 or, if the rhs is empty, YYLLOC).
21882 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
21884 (yyparse): When providing a default semantic action, provide a
21885 default location action.
21886 (after the $): No longer change `*YYLSP', just stack YYLOC the
21887 same way you stack YYVAL.
21888 * src/reader.c (read_declarations): Use warns.
21889 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
21890 (copy_action, case '@'): Likewise.
21891 Use a standard error message, to save useless work from
21894 2000-03-17 Akim Demaille <akim@epita.fr>
21896 * src/bison.s1: Formatting and cosmetics changes.
21897 * src/reader.c: Likewise.
21898 Update the Copyright notice.
21900 2000-03-17 Akim Demaille <akim@epita.fr>
21902 * src/bison.s1 (#line): All set to `#line' only, since the
21903 Makefile now handles them.
21905 2000-03-16 Akim Demaille <akim@epita.fr>
21907 * src/output.c (output_rule_data): Output the documentation of
21908 some of the tables.
21909 (Copyright notice): Update.
21910 Formatting changes.
21912 2000-03-16 Akim Demaille <akim@epita.fr>
21914 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
21915 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
21916 One `#if YYDEBUG' remains, since it uses variables which are
21917 defined only if `YYDEBUG != 0'.
21919 2000-03-16 Akim Demaille <akim@epita.fr>
21921 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
21922 and related variables so that the similarities are highlighted.
21924 2000-03-16 Akim Demaille <akim@epita.fr>
21926 * src/bison.s1: Properly indent CPP directives.
21928 2000-03-16 Akim Demaille <akim@epita.fr>
21930 * src/bison.s1: Properly indent the `alloca' CPP section.
21932 2000-03-16 Akim Demaille <akim@epita.fr>
21934 Do not hard code values of directories in `configure.in'.
21935 Update the `configure' tool chain.
21937 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
21939 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
21940 (AC_OUTPUT): Add m4/Makefile.
21941 Bump to bison 1.28a, 1.29 has never been released.
21942 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
21943 handled via src/Makefile.am.
21944 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
21945 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
21947 * Makefile.am (SUBDIRS): Add m4.
21948 (ACLOCAL_AM_FLAGS): New variable.
21949 (AUTOMAKE_OPTIONS): Add check-news.
21950 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
21951 the proper line number and file name.
21952 (DEFS): Propagate the location of bison library files and of the
21954 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
21956 * acinclude.m4: Remove, replaced by the directory m4.
21957 * m4/Makefile.am (EXTRA_DIST): New variable.
21958 * m4/gettext.m4: New file, from the fileutils.
21959 * m4/lcmessage.m4: Likewise
21960 * m4/progtest.m4: Likewise.
21961 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
21963 2000-03-10 Akim Demaille <akim@epita.fr>
21966 Formatting changes of various comments.
21967 Respect the GNU coding standards at various places.
21968 Don't use `_()' when no translation is needed.
21970 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21973 OS/2 honors TMPDIR environment variable.
21975 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21977 * doc/bison.texinfo: Tweaked spelling and grammar.
21979 Removed reference to price of printed copy.
21980 Mention BISON_SIMPLE and BISON_HAIRY.
21982 1999-12-13 Jesse Thilo <jthilo@gnu.org>
21984 * configure.in, NEWS:
21985 Bison 1.29 released.
21987 1999-10-27 Jesse Thilo <jthilo@gnu.org>
21989 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
21990 Added reference card.
21992 1999-07-26 Jesse Thilo <jthilo@gnu.org>
21994 * po/ru.po: Added Russian translation.
21996 1999-07-26 Jesse Thilo <jthilo@gnu.org>
21998 * configure.in: Added Russian translation.
22000 1999-07-06 Jesse Thilo <jthilo@gnu.org>
22002 * configure.in, NEWS, README:
22003 Released version 1.28.
22005 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22008 Squashed redefinition warning on some systems.
22010 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
22011 Have configure build version string instead of relying on ANSI string
22014 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22016 * po/POTFILES.in: Got rid of version.c.
22018 1999-06-14 Jesse Thilo <jthilo@gnu.org>
22020 * acconfig.h, configure.in:
22021 Have configure build version string instead of relying on ANSI string
22024 1999-06-08 Jesse Thilo <jthilo@gnu.org>
22027 Dropped mention of `+' for long-named options.
22029 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22031 * src/files.c: Added <unistd.h> for unlink().
22033 * src/Makefile.am, src/system.h:
22036 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22038 * README: Added a FAQ list.
22040 * configure.in, acconfig.h:
22043 1999-05-30 Jesse Thilo <jthilo@gnu.org>
22045 * doc/FAQ, doc/Makefile.am:
22048 1999-05-19 Jesse Thilo <jthilo@gnu.org>
22050 * src/alloc.h, src/symtab.h, src/version.c:
22051 Protected inclusion of "config.h" with HAVE_CONFIG_H.
22053 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22055 * src/.cvsignore, src/Makefile.am:
22056 Reorganized: sources in `src', documentation in `doc'.
22058 * src/lex.c (literalchar):
22059 fixed the code for escaping double quotes (thanks
22062 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22064 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
22065 Adjusted paths to reflect directory reorganization.
22067 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22069 * doc/.cvsignore, doc/Makefile.am:
22070 Reorganized: sources in `src', documentation in `doc'.
22072 1999-04-18 Jesse Thilo <jthilo@gnu.org>
22075 Updated AC_INIT file to reflect directory reorganization.
22077 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
22078 Reorganized: sources in `src', documentation in `doc'.
22080 1999-04-13 Jesse Thilo <jthilo@gnu.org>
22083 Don't declare calloc() and realloc() if not necessary.
22085 1999-04-13 Jesse Thilo <jthilo@gnu.org>
22087 * configure.in, acconfig.h, acinclude.m4:
22088 Don't declare calloc() and realloc() if not necessary.
22090 1999-03-23 Jesse Thilo <jthilo@gnu.org>
22092 * po/.cvsignore: Added i18n support.
22094 1999-03-23 Jesse Thilo <jthilo@gnu.org>
22096 * acconfig.h, configure.in, Makefile.am:
22097 Added i18n support.
22099 1999-03-22 Jesse Thilo <jthilo@gnu.org>
22101 * src/bison.s1: Fixed #line numbers.
22103 1999-03-15 Jesse Thilo <jthilo@gnu.org>
22105 * po/es.po, po/fr.po, po/nl.po, po/de.po:
22106 Added PO files from Translation Project.
22108 1999-03-03 Jesse Thilo <jthilo@gnu.org>
22111 Added support for non-ANSI compilers (ansi2knr).
22113 1999-02-16 Jesse Thilo <jthilo@gnu.org>
22115 * configure.in: Bumped version number to 1.27.
22118 Added `bison.simple' to list of files removed by `make distclean'.
22120 1999-02-12 Jesse Thilo <jthilo@gnu.org>
22122 * src/files.c, src/files.h:
22123 Defined locations of parser files in config.h instead of Makefile.
22125 1999-02-12 Jesse Thilo <jthilo@gnu.org>
22127 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
22128 Defined locations of parser files in config.h instead of Makefile.
22130 1999-02-09 Jesse Thilo <jthilo@gnu.org>
22133 Removed inappropriate use of $< macro.
22135 1999-02-05 Jesse Thilo <jthilo@gnu.org>
22137 * po/Makefile.in.in, po/POTFILES.in:
22138 Add `po' directory skeleton.
22140 1999-01-27 Jesse Thilo <jthilo@gnu.org>
22142 * README: Document help-bison list.
22144 * configure.in: Add check for mkstemp().
22146 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22148 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
22149 Hush a few compiler warnings.
22152 Add tryclose(), which verifies that fclose was successful.
22153 Hush a couple of compiler warnings.
22155 1999-01-20 Jesse Thilo <jthilo@gnu.org>
22157 * Makefile.am, OChangeLog:
22158 ChangeLog is now automatically generated. Include the old version as
22161 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22163 * 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:
22164 Update FSF address.
22166 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22168 * doc/bison.texinfo: Fix formatting glitch.
22170 * doc/bison.texinfo: Update FSF address.
22172 1999-01-14 Jesse Thilo <jthilo@gnu.org>
22174 * acconfig.h: Update FSF address.
22176 1999-01-08 Jesse Thilo <jthilo@gnu.org>
22179 Don't define PACKAGE here, since config.h defines it.
22181 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22183 * src/reader.c: Update copyright date.
22186 Ditch sprintf to statically-sized buffers in fatal/warn functions in
22187 favor of output directly to stderr (avoids buffer overruns).
22189 * src/reader.c: Some checks for premature EOF.
22191 * 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:
22192 Use prototypes if the compiler understands them.
22194 * src/files.c: Honor TMPDIR on Unix hosts.
22195 Use prototypes if the compiler understands them.
22198 Fix a couple of buffer overrun bugs.
22199 Use prototypes if the compiler understands them.
22201 * src/system.h: Include unistd.h and ctype.h.
22202 Use #ifdef instead of #if for NLS symbols.
22204 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22206 * doc/bison.texinfo:
22207 Delete comment "consider using @set for edition number, etc..." since
22208 we now are doing so.
22210 1998-12-30 Jesse Thilo <jthilo@gnu.org>
22213 Use prototypes if the compiler understands them.
22215 * NEWS: Document 1.26 highlights.
22217 * Makefile.am: Require Automake 1.3 or later.
22220 Use prototypes if the compiler understands them.
22222 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22225 Use VERSION symbol from automake for version number.
22227 1998-12-29 Jesse Thilo <jthilo@gnu.org>
22229 * acconfig.h, configure.in, version.cin:
22230 Use VERSION symbol from automake for version number.
22232 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22235 Distribute original version of simple parser (bison.s1), not built
22236 version (bison.simple).
22238 1998-11-28 Jesse Thilo <jthilo@gnu.org>
22240 * doc/bison.texinfo: Add info dir entry.
22242 * doc/bison.texinfo:
22243 Let automake put version number into documentation.
22245 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22247 * src/bison.cld, src/build.com, src/vmshlp.mar:
22248 Add non-RCS files from /gd/gnu/bison.
22250 1998-11-26 Jesse Thilo <jthilo@gnu.org>
22253 Document the BISON_HAIRY and BISON_SIMPLE variables.
22255 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22257 * src/version.c: Build version.c automatically.
22260 Fix token numbering (used to start at 258, not 257).
22262 * src/system.h: Include config.h.
22264 * src/getargs.c: Update bug report address.
22266 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
22267 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
22269 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22272 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22274 * configure.in, version.cin:
22275 Build version.c automatically.
22277 * AUTHORS: Add AUTHORS file.
22279 * README: Update bug report address.
22282 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
22284 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
22285 Add automake stuff.
22287 1998-11-25 Jesse Thilo <jthilo@gnu.org>
22289 * doc/bison.texinfo: Clean up some formatting.
22291 1998-05-05 Richard Stallman <rms@gnu.org>
22293 * doc/bison.texinfo:
22294 Explain better why to make a pure parser.
22296 1998-01-05 Richard Stallman <rms@gnu.org>
22298 * src/files.c (openfiles):
22299 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
22300 find a temporary directory, if possible. Do not unlink files while
22303 1997-08-25 Richard Stallman <rms@gnu.org>
22305 * src/reader.c (stack_offset;):
22306 Change some warni to warns.
22308 * src/lex.c (literalchar): Use warns, not warni.
22310 1997-06-28 Richard Stallman <rms@gnu.org>
22312 * src/bison.s1: Add a Bison version comment.
22314 * src/main.c (fatal, warn, berror):
22317 1997-06-28 Richard Stallman <rms@gnu.org>
22319 * Makefile.in (bison_version): New variable.
22320 (dist): Use that variable.
22321 (bison.s1): Substitute the Bison version into bison.simple.
22323 * bison.simple: Add a Bison version comment.
22325 1997-06-18 Richard Stallman <rms@gnu.org>
22327 * src/main.c (fatal, warn, berror):
22328 Make error messages standard.
22329 (toomany): Improve error message text.
22331 * 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:
22332 new.h renamed to alloc.h.
22334 1997-06-18 Richard Stallman <rms@gnu.org>
22336 * Makefile.in: new.h renamed to alloc.h.
22338 1997-05-24 Richard Stallman <rms@gnu.org>
22340 * src/lex.c (literalchar):
22341 Fix the code for escaping \, " and '.
22343 (lex): Avoid trouble when there are many chars
22344 to discard in a char literal with just several chars in it.
22346 1997-05-17 Richard Stallman <rms@gnu.org>
22349 Use malloc, if using alloca is troublesome.
22350 (YYSTACK_USE_ALLOCA): New flag macro.
22351 Define it for some systems and compilers.
22352 (YYSTACK_ALLOC): New macro.
22353 (yyparse): Use YYSTACK_ALLOC to allocate stack.
22354 If it was malloc'd, free it.
22356 1997-05-17 Richard Stallman <rms@gnu.org>
22359 Use malloc, if using alloca is troublesome.
22360 (YYSTACK_USE_ALLOCA): New flag macro.
22361 Define it for some systems and compilers.
22362 (YYSTACK_ALLOC): New macro.
22363 (yyparse): Use YYSTACK_ALLOC to allocate stack.
22364 If it was malloc'd, free it.
22366 1997-04-23 Richard Stallman <rms@gnu.org>
22369 (alloca) [__hpux]: Always define as __builtin_alloca.
22371 1997-04-23 Richard Stallman <rms@gnu.org>
22374 (alloca) [__hpux]: Always define as __builtin_alloca.
22376 1997-04-22 Richard Stallman <rms@gnu.org>
22379 [__hpux]: Include alloca.h (right for HPUX 10)
22380 instead of declaring alloca (right for HPUX 9).
22382 * src/bison.s1 (__yy_memcpy):
22383 Declare arg `count' as unsigned int.
22384 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
22386 1997-04-22 Richard Stallman <rms@gnu.org>
22389 [__hpux]: Include alloca.h (right for HPUX 10)
22390 instead of declaring alloca (right for HPUX 9).
22392 * bison.simple (__yy_memcpy):
22393 Declare arg `count' as unsigned int.
22394 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
22396 1997-01-03 Richard Stallman <rms@gnu.org>
22398 * src/allocate.c: [__STDC__ or _MSC_VER]:
22399 Declare calloc and realloc to return void *.
22401 1997-01-02 Richard Stallman <rms@gnu.org>
22404 [_MSC_VER]: Include stdlib.h and process.h.
22405 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
22407 * src/main.c (main): Return FAILURE as a value.
22408 (printable_version): Declare arg as int, not char.
22410 1997-01-02 Richard Stallman <rms@gnu.org>
22412 * Makefile.in (dist):
22413 Explicitly check for symlinks, and copy them.
22415 1996-12-19 Richard Stallman <rms@gnu.org>
22418 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
22420 1996-12-18 Paul Eggert <eggert@gnu.org>
22422 * src/bison.s1 (yyparse):
22423 If __GNUC__ and YYPARSE_PARAM are both defined,
22424 declare yyparse to have a void * argument.
22426 1996-12-18 Paul Eggert <eggert@gnu.org>
22428 * bison.simple (yyparse):
22429 If __GNUC__ and YYPARSE_PARAM are both defined,
22430 declare yyparse to have a void * argument.
22432 1996-12-17 Richard Stallman <rms@gnu.org>
22434 * src/reduce.c (nbits): Add some casts.
22436 1996-08-12 Richard Stallman <rms@gnu.org>
22438 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
22440 1996-08-12 Richard Stallman <rms@gnu.org>
22442 * bison.simple: Test _MSDOS as well as _MSDOS_.
22444 1996-07-31 Richard Stallman <rms@gnu.org>
22447 [__sun && __i386]: Include alloca.h.
22449 1996-07-31 Richard Stallman <rms@gnu.org>
22452 [__sun && __i386]: Include alloca.h.
22454 1996-07-30 Richard Stallman <rms@gnu.org>
22456 * src/bison.s1: Comment change.
22458 * src/bison.s1: Test _MSDOS_, not MSDOS.
22460 1996-07-30 Richard Stallman <rms@gnu.org>
22462 * bison.simple: Comment change.
22464 * bison.simple: Test _MSDOS_, not MSDOS.
22466 1996-06-01 Richard Stallman <rms@gnu.org>
22468 * 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:
22469 Insert `_' macro around many string constants.
22472 Insert `_' macro around many string constants.
22474 (main): Call setlocale, bindtextdomain and textdomain.
22476 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
22477 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
22478 [ENABLE_NLS]: Include libintl.h.
22479 [ENABLE_NLS] (gettext): Define.
22480 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
22481 (N_, PACKAGE, LOCALEDIR): New macros.
22483 1996-06-01 Richard Stallman <rms@gnu.org>
22485 * POTFILES.in: New file.
22487 * Makefile.in (allocate.o):
22488 Define target explicitly.
22490 * Makefile.in (CFLAGS): Set to @CFLAGS@.
22491 (LDFLAGS): Set to @LDFLAGS@.
22492 (configure): Run autoconf only if preceding `cd' succeeds.
22493 (bison.s1): Redirect output to temporary file then move the
22494 temporary to the target, rather than redirecting directly to bison.s1.
22495 (clean): Remove config.status and config.log.
22496 (distclean): Don't remove config.status here.
22498 1996-05-12 Richard Stallman <rms@gnu.org>
22501 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22503 1996-05-12 Richard Stallman <rms@gnu.org>
22506 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
22508 1996-05-11 Richard Stallman <rms@gnu.org>
22510 * src/bison.s1 (__yy_memcpy):
22511 Really reorder the args, as was supposedly done on Feb 14 1995.
22512 (yyparse): Calls changed accordingly.
22514 1996-05-11 Richard Stallman <rms@gnu.org>
22516 * Makefile.in (dist): Don't use $(srcdir).
22518 * bison.simple (__yy_memcpy):
22519 Really reorder the args, as was supposedly done on Feb 14 1995.
22520 (yyparse): Calls changed accordingly.
22522 1996-01-27 Richard Stallman <rms@gnu.org>
22524 * src/output.c (output_rule_data):
22525 Test YYERROR_VERBOSE in the conditional
22526 around the definition of ttyname.
22528 1995-12-29 Richard Stallman <rms@gnu.org>
22531 Fix line numbers in #line commands.
22533 1995-12-29 Richard Stallman <rms@gnu.org>
22536 Fix line numbers in #line commands.
22538 1995-12-27 Richard Stallman <rms@gnu.org>
22540 * src/bison.s1 (YYPARSE_PARAM_DECL):
22541 In C++, make it always null.
22542 (YYPARSE_PARAM_ARG): New macro.
22543 (yyparse): Use YYPARSE_PARAM_ARG.
22545 1995-12-27 Richard Stallman <rms@gnu.org>
22547 * bison.simple (YYPARSE_PARAM_DECL):
22548 In C++, make it always null.
22549 (YYPARSE_PARAM_ARG): New macro.
22550 (yyparse): Use YYPARSE_PARAM_ARG.
22552 1995-11-29 Richard Stallman <rms@gnu.org>
22554 * doc/bison.texinfo:
22555 Describe literal string tokens, %raw, %no_lines, %token_table.
22557 1995-11-29 Daniel Hagerty <hag@gnu.org>
22559 * doc/bison.texinfo: Fixed update date
22561 1995-10-16 Richard Stallman <rms@gnu.org>
22563 * src/version.c: Version 1.25.
22565 1995-10-16 Richard Stallman <rms@gnu.org>
22567 * NEWS: *** empty log message ***
22569 1995-10-16 Richard Stallman <rms@gnu.org>
22571 * doc/bison.1, doc/bison.rnh:
22574 1995-10-15 Richard Stallman <rms@gnu.org>
22576 * src/vmsgetargs.c, src/getargs.c:
22577 Added -n, -k, and -raw switches.
22578 (noparserflag, toknumflag, rawtoknumflag): New variables.
22580 * src/symtab.h (SALIAS):
22581 New #define for adding aliases to %token.
22582 (struct bucket): Added `alias' field.
22584 * src/reduce.c (reduce_grammar):
22585 Revise error message.
22586 (print_notices): Remove final `.' from error message.
22588 * src/reader.c (reader_output_yylsp):
22590 (readgram): Use `#if 0' around code that accepted %command
22591 inside grammar rules: The documentation doesn't allow it,
22592 and it will fail since the %command processors scan for the next %.
22593 (parse_token_decl): Extended the %token
22594 declaration to allow a multi-character symbol as an alias.
22595 (parse_thong_decl): New function.
22596 (read_declarations): Added %thong declarations.
22597 (read_declarations): Handle NOOP to deal with allowing
22598 % declarations as another means to specify the flags.
22599 (readgram): Allow %prec prior to semantics embedded in a rule.
22600 (skip_to_char, read_declarations, copy_definition)
22601 (parse_token_decl, parse_start_decl, parse_type_decl)
22602 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
22603 (get_type_name, copy_guard, copy_action, readgram)
22604 (get_type, packsymbols): Revised most error messages.
22605 Changed `fatal' to `warnxxx' to avoid aborting for error.
22606 Revised and use multiple warnxxx functions to avoid using VARARGS1.
22607 (read_declarations): Improve the error message for
22608 an invalid character. Do not abort.
22609 (read_declarations, copy_guard, copy_action): Use
22610 printable_version to avoid unprintable characters in printed output.
22611 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
22612 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
22613 Allow the type of a non-terminal can be given
22614 more than once, as long as all specifications give the same type.
22617 (output_headers, output_trailers, output, output_gram)
22618 (output_rule_data): Implement noparserflag variable.
22619 Implement toknumflag variable.
22620 (output): Call reader_output_yylsp to output LTYPESTR.
22622 * src/main.c (main):
22623 If reader sees an error, don't process the grammar.
22624 (fatals): Updated to not use VARARGS1.
22625 (printable_version, int_to_string, warn, warni, warns, warnss)
22626 (warnsss): New error reporting functions. Avoid abort for error.
22629 Added THONG and NOOP for alias processing.
22630 Added SETOPT for the new code that allows setting options with %flags.
22633 Include getopt.h. Add some extern decls.
22634 (safegetc): New function to deal with EOF gracefully.
22635 (literalchar); new function to deal with reading \ escapes.
22636 (lex): Use literalchar.
22637 (lex): Implemented "..." tokens.
22638 (literalchar, lex, parse_percent_token): Made tokenbuffer
22639 always contain the token. This includes growing the token
22640 buffer while reading an integer.
22641 (parse_percent_token): Replaced if-else statement with percent_table.
22642 (parse_percent_token): Added % declarations as another
22643 way to specify the flags -n, -l, and -r. Also added hooks for
22644 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
22645 major changes to files.c.
22646 (lex) Retain in the incoming stream a character following
22648 (skip_white_space, lex): Revised most error messages
22649 and changed fatal to warn to avoid aborting.
22650 (percent_table): Added %thong declarations.
22652 * src/gram.h: Comment changes.
22654 * src/files.c (openfiles, open_extra_files, done):
22656 and actfile file. Handle noparserflag. Both for -n switch.
22658 * src/conflicts.c (resolve_sr_conflict):
22659 Remove use of alloca.
22661 1995-06-01 Jim Meyering <meyering@gnu.org>
22663 * doc/bison.texinfo: *** empty log message ***
22665 1995-05-06 Richard Stallman <rms@gnu.org>
22667 * src/bison.s1: Comment change.
22669 1995-05-06 Richard Stallman <rms@gnu.org>
22671 * bison.simple: Comment change.
22673 1995-05-03 Richard Stallman <rms@gnu.org>
22675 * src/version.c: Version now 1.24.
22677 * src/bison.s1: Change distribution terms.
22679 * src/version.c: Version now 1.23.
22681 1995-05-03 Richard Stallman <rms@gnu.org>
22683 * doc/bison.texinfo:
22684 Rewrite "Conditions for Using Bison".
22685 Update version to 1.24.
22687 1995-05-03 Richard Stallman <rms@gnu.org>
22689 * bison.simple: Change distribution terms.
22691 1995-02-23 Richard Stallman <rms@gnu.org>
22693 * src/files.c: Test __VMS_POSIX as well as VMS.
22695 1995-02-14 Jim Meyering <meyering@gnu.org>
22697 * src/bison.s1 (__yy_memcpy):
22698 Renamed from __yy_bcopy to avoid
22699 confusion. Reverse FROM and TO arguments to be consistent with
22702 1995-02-14 Jim Meyering <meyering@gnu.org>
22704 * bison.simple (__yy_memcpy):
22705 Renamed from __yy_bcopy to avoid
22706 confusion. Reverse FROM and TO arguments to be consistent with
22709 1994-11-10 David J. MacKenzie <djm@gnu.org>
22715 * Makefile.in (DISTFILES): Include NEWS.
22717 * Makefile.in (DISTFILES):
22718 Include install-sh, not install.sh.
22720 * configure.in: Update to Autoconf v2 macro names.
22722 1994-10-05 David J. MacKenzie <djm@gnu.org>
22724 * Makefile.in: fix typo
22726 * Makefile.in (prefix, exec_prefix):
22727 Let configure set them.
22729 1994-09-28 David J. MacKenzie <djm@gnu.org>
22731 * Makefile.in: Set datadir to $(prefix)/share.
22733 1994-09-15 Richard Stallman <rms@gnu.org>
22736 Update copyright notice and GPL version.
22738 1994-09-15 Richard Stallman <rms@gnu.org>
22741 Update copyright notice and GPL version.
22743 1994-07-12 Richard Stallman <rms@gnu.org>
22745 * src/reduce.c, src/reader.c:
22748 1994-05-05 David J. MacKenzie <djm@gnu.org>
22750 * Makefile.in: entered into RCS
22752 1994-03-26 Richard Stallman <rms@gnu.org>
22754 * src/bison.s1: entered into RCS
22756 1994-03-26 Richard Stallman <rms@gnu.org>
22758 * bison.simple: entered into RCS
22760 1994-03-25 Richard Stallman <rms@gnu.org>
22762 * src/main.c: entered into RCS
22764 1994-03-24 Richard Stallman <rms@gnu.org>
22766 * src/conflicts.c: entered into RCS
22768 1994-01-02 Richard Stallman <rms@gnu.org>
22770 * Makefile.in: *** empty log message ***
22772 1993-11-21 Richard Stallman <rms@gnu.org>
22774 * src/bison.s1: *** empty log message ***
22776 1993-11-21 Richard Stallman <rms@gnu.org>
22778 * doc/bison.texinfo: entered into RCS
22780 * doc/bison.texinfo: *** empty log message ***
22782 1993-11-21 Richard Stallman <rms@gnu.org>
22784 * bison.simple: *** empty log message ***
22786 1993-10-25 David J. MacKenzie <djm@gnu.org>
22788 * doc/bison.texinfo: *** empty log message ***
22790 1993-10-19 Richard Stallman <rms@gnu.org>
22792 * src/bison.s1: *** empty log message ***
22794 1993-10-19 Richard Stallman <rms@gnu.org>
22796 * bison.simple: *** empty log message ***
22798 1993-10-14 Richard Stallman <rms@gnu.org>
22800 * src/bison.s1: *** empty log message ***
22802 1993-10-14 Richard Stallman <rms@gnu.org>
22804 * bison.simple: *** empty log message ***
22806 1993-09-14 David J. MacKenzie <djm@gnu.org>
22808 * doc/bison.texinfo: *** empty log message ***
22810 1993-09-13 Noah Friedman <friedman@gnu.org>
22812 * Makefile.in: *** empty log message ***
22814 1993-09-10 Richard Stallman <rms@gnu.org>
22816 * src/conflicts.c: *** empty log message ***
22818 * src/system.h: entered into RCS
22820 1993-09-10 Richard Stallman <rms@gnu.org>
22822 * doc/bison.1: entered into RCS
22824 1993-09-06 Noah Friedman <friedman@gnu.org>
22826 * src/version.c: entered into RCS
22828 1993-09-06 Noah Friedman <friedman@gnu.org>
22830 * Makefile.in: *** empty log message ***
22832 1993-07-30 David J. MacKenzie <djm@gnu.org>
22834 * Makefile.in: *** empty log message ***
22836 1993-07-24 Richard Stallman <rms@gnu.org>
22838 * src/bison.s1: *** empty log message ***
22840 1993-07-24 Richard Stallman <rms@gnu.org>
22842 * bison.simple: *** empty log message ***
22844 1993-07-08 David J. MacKenzie <djm@gnu.org>
22846 * Makefile.in: *** empty log message ***
22848 1993-07-04 Richard Stallman <rms@gnu.org>
22850 * src/bison.s1: *** empty log message ***
22852 1993-07-04 Richard Stallman <rms@gnu.org>
22854 * bison.simple: *** empty log message ***
22856 1993-06-26 David J. MacKenzie <djm@gnu.org>
22858 * src/getargs.c: entered into RCS
22860 1993-06-26 David J. MacKenzie <djm@gnu.org>
22862 * doc/bison.texinfo: *** empty log message ***
22864 * doc/bison.1: New file.
22866 1993-06-25 Richard Stallman <rms@gnu.org>
22868 * src/getargs.c: New file.
22870 1993-06-16 Richard Stallman <rms@gnu.org>
22872 * src/bison.s1: *** empty log message ***
22874 1993-06-16 Richard Stallman <rms@gnu.org>
22876 * bison.simple: *** empty log message ***
22878 1993-06-03 Richard Stallman <rms@gnu.org>
22880 * src/bison.s1: New file.
22882 1993-06-03 Richard Stallman <rms@gnu.org>
22884 * doc/bison.texinfo: *** empty log message ***
22886 1993-06-03 Richard Stallman <rms@gnu.org>
22888 * bison.simple: New file.
22890 1993-05-19 Richard Stallman <rms@gnu.org>
22892 * doc/bison.texinfo: New file.
22894 1993-05-07 Noah Friedman <friedman@gnu.org>
22896 * Makefile.in: *** empty log message ***
22898 1993-04-28 Noah Friedman <friedman@gnu.org>
22900 * src/reader.c: *** empty log message ***
22902 1993-04-23 Noah Friedman <friedman@gnu.org>
22904 * src/alloc.h: entered into RCS
22906 1993-04-20 David J. MacKenzie <djm@gnu.org>
22908 * src/version.c: *** empty log message ***
22910 * src/files.c, src/allocate.c:
22913 * src/reader.c: *** empty log message ***
22915 * src/lex.c: entered into RCS
22917 * src/conflicts.c: New file.
22919 * src/symtab.c: entered into RCS
22921 * src/alloc.h: New file.
22923 * src/LR0.c: entered into RCS
22925 1993-04-18 Noah Friedman <friedman@gnu.org>
22927 * src/reader.c: New file.
22929 * src/version.c: *** empty log message ***
22931 1993-04-18 Noah Friedman <friedman@gnu.org>
22933 * Makefile.in: *** empty log message ***
22935 1993-04-17 Noah Friedman <friedman@gnu.org>
22937 * Makefile.in: *** empty log message ***
22939 1993-04-15 Richard Stallman <rms@gnu.org>
22941 * src/main.c, src/files.c:
22944 1993-04-15 Noah Friedman <friedman@gnu.org>
22946 * configure.in: entered into RCS
22948 * configure.in: *** empty log message ***
22950 * configure.in: New file.
22952 1993-04-14 Richard Stallman <rms@gnu.org>
22954 * Makefile.in: New file.
22956 1993-04-13 Richard Stallman <rms@gnu.org>
22958 * src/version.c: New file.
22960 1993-03-25 Richard Stallman <rms@gnu.org>
22962 * src/output.c: entered into RCS
22964 1992-09-25 Richard Stallman <rms@gnu.org>
22966 * configure.bat: entered into RCS
22968 1992-06-22 Richard Stallman <rms@gnu.org>
22970 * src/vmsgetargs.c: entered into RCS
22972 1992-06-22 Richard Stallman <rms@gnu.org>
22974 * doc/bison.rnh: entered into RCS
22976 1992-04-20 David J. MacKenzie <djm@gnu.org>
22978 * README: entered into RCS
22980 1992-01-22 Richard Stallman <rms@gnu.org>
22982 * src/machine.h: entered into RCS
22984 1991-12-21 Richard Stallman <rms@gnu.org>
22986 * src/lalr.c, src/closure.c:
22989 1991-12-20 Richard Stallman <rms@gnu.org>
22991 * src/state.h: entered into RCS
22993 1991-12-18 Richard Stallman <rms@gnu.org>
22995 * src/print.c, src/nullable.c, src/derives.c:
22998 1991-11-03 David J. MacKenzie <djm@gnu.org>
23000 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
23003 1988-09-09 Richard Stallman <rms@gnu.org>
23005 * src/bison.hairy: entered into RCS
23007 1987-12-16 Richard Stallman <rms@gnu.org>
23009 * REFERENCES: entered into RCS
23014 Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,
23015 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
23016 Free Software Foundation, Inc.
23018 Copying and distribution of this file, with or without
23019 modification, are permitted provided the copyright notice and this
23020 notice are preserved.