1 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
3 %define push_pull -> %define api.push_pull. Discussed starting at
4 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
5 * data/push.c: Expect the new name.
6 * data/yacc.c: Likewise.
7 * doc/bison.texinfo (Push Decl): Update.
8 (Decl Summary): Update %define entry.
9 (Push Parser Function): Update.
10 (Pull Parser Function): Update.
11 (Parser Create Function): Update.
12 (Parser Delete Function): Update.
13 * tests/calc.at (Simple LALR Calculator): Update.
14 * tests/input.at (%define enum variables): Update.
15 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
16 (Push Parsing: Multiple impure instances): Update.
17 (Push Parsing: Unsupported Skeletons): Update.
18 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
19 (Exploding the Stack Size with Malloc): Update.
21 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
24 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
26 For the XML output's terminal element, rename @number to @token-number,
27 and add @symbol-number. In the nonterminal element, rename @number to
28 @symbol-number. Discussed starting at
29 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
30 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
32 (xsl:template match="nonterminal"): Likewise.
33 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
34 (xsl:template match="nonterminal"): Likewise.
35 * src/print-xml.c (print_grammar): Implement.
37 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
39 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
40 2007-10-11 change, the child elements here are items not rules.
41 (<xsl:template match="item"): New.
42 (xsl:template match="rule"): Update for new reduced itemset.
43 (xsl:template match="point"): Remove.
44 (xsl:template match="empty"): For consistency with --graph, don't
46 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
47 line-wrap, don't pass a negative value as first-line-length since this
48 won't work with the following changes.
49 (xsl:template name="line-wrap"): Simplify slightly.
50 (xsl:template name="ws-search"): Eliminate recursion.
51 * src/print_graph.c (print_core): Don't print a reduction's lookahead
52 set next to an item whose dot is not at the end of the RHS even if it
53 happens to be associated with the same rule.
55 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
57 Add %define lr.keep_unreachable_states.
58 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
59 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
60 * src/main.c (main): Implement it.
61 * tests/conflicts.at (Unreachable States After Conflict Resolution):
62 Extend to test it, and fix a typo.
64 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
66 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
67 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
68 the example .output text.
69 * tests/regression.at (Extra lookahead sets in report): Improve wording
72 2007-10-17 Wojciech Polak <polak@gnu.org>
74 * src/print-xml.c (print_grammar): Renamed
75 <terminal> and <nonterminal> attributes:
76 "type" to "number" and "symbol" to "name".
77 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
78 Use new attribute names.
79 (xsl:template match="nonterminal"): Likewise.
80 * data/xslt/xml2xhtml.xsl: Likewise.
82 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
84 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
85 (Option Cross Key): Likewise.
87 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
88 next to an item whose dot is not at the end of the RHS even if it
89 happens to be associated with the same rule.
90 * src/print.c (print_core): Likewise.
91 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
92 (Resolved SR Conflicts): Update output.
93 * tests/regression.at (Extra lookahead sets in report): New test case.
95 2007-10-11 Wojciech Polak <polak@gnu.org>
97 * src/print-xml.c (print_core): Remove item set
99 * data/xslt/bison.xsl (bison:ruleNumber): New key.
100 Improve processing time. Suggested by Joel E. Denny.
101 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
102 Write xsl:param "required" attribute as comment.
103 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
104 (xsl:template match="rule"): Support new reduced itemset.
105 (xsl:template match="point"): Remove.
106 * data/xslt/xml2xhtml.xsl: Likewise.
108 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
110 * src/getargs.c (version): Update copyright year.
112 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
114 Make xml2dot.xsl and --graph produce the same output.
115 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a ` '
116 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
118 (xsl:template name="output-node"): Use the new escape template instead
119 of the string-replace template directly.
120 (xsl:template name="output-edge"): Likewise.
121 (xsl:template name="escape"): New, escapes backslashes and newlines in
122 addition to quotation marks.
123 * src/graphviz.c (start_graph, output_node, output_edge): Add
124 whitespace to output for legibility.
126 Make xml2text.xsl and --report produce the same output, and remove the
127 XML "conflicts" element since a conflict summary is easily extracted
129 * data/xslt/bison.xsl: New.
130 (xsl:template match="state" mode="bison:count-conflicts): New.
131 * data/xslt/xml2text.xsl: Import bison.xsl.
132 (xsl:template match="bison-xml-report"): Instead of styling the
133 "conflicts" element, style the "automaton" element with mode
134 "conflicts". Unlike the former, the latter lists S/R and R/R
135 conflicts for a state on the same line.
136 (xsl:template match="conflicts"): Remove.
137 (xsl:template match="conflict"): Remove.
138 (xsl:template match="terminal"): Line-wrap the list of rules in which
139 the terminal is used.
140 (xsl:template match="nonterminal"): Likewise for nonterminals.
141 (xsl:template match="automaton" mode="conflicts"): New.
142 (xsl:template match="state" mode="conflicts"): New.
143 (xsl:template name="line-wrap"): New.
144 (xsl:template name="ws-search"): New.
145 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
146 (xsl:template match="bison-xml-report"): Instead of styling the
147 "conflicts" element, style the "automaton" element with mode
149 (xsl:template match="conflicts"): Remove.
150 (xsl:template match="conflict"): Remove.
151 (xsl:template match="automaton" mode="conflicts"): New.
152 (xsl:template match="state" mode="conflicts): New.
153 * src/conflicts.c (conflicts_output_xml): Remove.
154 * src/conflicts.h (conflicts_output_xml): Remove prototype.
155 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
156 * src/print.c (print_grammar): Consistently wrap at the 66th column so
157 the corresponding XSLT is easier. Also, never wrap between a word and
158 the comma that follows it.
160 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
162 Improve C++ namespace support. Discussed starting at
163 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
164 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
165 b4_namespace_close): New macros that interpret the %define variable
166 "namespace" so its value can contain "::" to indicate nested
168 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
170 * data/lalr1.cc (b4_namespace): Likewise.
171 * data/location.cc (b4_namespace): Likewise.
172 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
173 inside a new table in the general %define entry. Document `%define
174 namespace' there as well. Point the %name-prefix entry to it since it
175 explains it more completely in the case of C++.
176 (C++ Bison Interface): Mention `%define namespace' instead of
178 (Table of Symbols): Remove the `%define push_pull' entry. The %define
180 * tests/c++.at (Relative namespace references): New test case.
181 (Absolute namespace references): New test case.
182 (Syntactically invalid namespace references): New test case.
183 * tests/input.at (C++ namespace reference errors): New test case.
185 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
187 Add syncline support and location accessor to internal %define
189 * data/bison.m4 (b4_percent_define_get_loc): New.
190 (b4_percent_define_get_syncline): New.
191 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
192 (b4_percent_define_default): Record defining location as line 1 rather
193 than 0 for the sake of synchronizing #line's, and define
194 b4_percent_define_syncline(VARIABLE).
195 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
196 * src/muscle_tab.c (muscle_syncline_grow): New.
197 (muscle_code_grow): Use muscle_syncline_grow.
198 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
199 define b4_percent_define_syncline(VARIABLE).
200 (muscle_percent_define_get_loc): New.
201 (muscle_percent_define_get_syncline): New.
202 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
203 remove some unused variables.
204 (muscle_percent_define_default): Record defining location as line 1
205 rather than 0 for the sake of synchronizing #line's, and define
206 b4_percent_define_syncline(VARIABLE).
207 (muscle_percent_define_check_values): Use
208 muscle_percent_define_get_loc.
209 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
210 (muscle_percent_define_get_syncline): Prototype.
211 * tests/skeletons.at (%define Boolean variables: invalid skeleton
212 defaults): Update output for location change.
213 (Complaining during macro argument expansion): Extend to test
214 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
216 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
218 Fix some error-reporting macro bugs.
219 * data/bison.m4 (b4_cat): New.
220 (b4_error, b4_error_at): Use b4_cat to send error directives directly
221 to stdout so they don't become arguments to other macros. Update
222 comments and add examples.
223 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
225 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
226 after printing the error directive so that M4 doesn't report subsequent
227 problems that are induced by this problem.
228 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
229 instead of just in them. Recognize @\n in both places. Both expand to
230 the empty string. Needed by b4_cat.
231 * tests/skeletons.at (Complaining during macro argument expansion):
233 (Fatal errors make M4 exit immediately): New test case.
235 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
237 Implement --print-datadir.
238 * src/getargs.c (usage): Mention.
239 (PRINT_DATADIR_OPTION): New anonymous enum member.
240 (long_options): Add entry for it.
241 (getargs): Add case for it calling compute_pkgdatadir.
242 * src/output.c (output_skeleton): Encapsulate data directory
243 computation from here...
244 (prepare): ... and from here...
245 (compute_pkgdatadir): ... into this new function.
246 * src/output.h (compute_pkgdatadir): Prototype.
248 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
250 * src/print-xml.c (escape_bufs): New static global variable
252 (xml_escape_n): ... the static local variable buf here.
253 (print_xml): Free memory for escape_bufs.
254 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
256 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
258 Replace `%push-parser' and `%push-pull-parser' with
259 `%define push_pull "push"' and `%define push_pull "both"'.
260 `%define push_pull "pull"' is the default.
261 * doc/bison.texinfo (Push Decl, Push Parser Function,
262 Pull Parser Function, Parser Create Function, Parser Delete Function):
264 (Decl Summary, Table of Symbols): Replace %push-parser and
265 %push-pull-parser entries with a %define push_pull entry.
266 * data/bison.m4 (b4_percent_define_check_values): New macro.
267 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
269 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
271 * data/push.c: ... to here and compute them from the value of the
272 %define variable push_pull.
273 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
274 parsing requests here...
275 * data/yacc.c: ... hack this to switch to push.c any time
276 b4_use_push_pull_flag or the %define variable push_pull is set. This
277 will go away when we mv push.c yacc.c.
278 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
279 push parsing is not supported since unused %define variables are
281 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
282 * src/muscle_tab.h (muscle_percent_define_check_values): Update
283 comments for consistency with b4_percent_define_check_values.
284 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
286 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
288 (prologue_declaration): Remove %push-parser and %push-pull-parser
290 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
291 * tests/calc.at: Update declarations.
292 * tests/input.at (%define enum variables): New test case.
293 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
295 (Push Parsing: Multiple impure instances): Update declaration.
296 (Push Parsing: Unsupported Skeletons): New test case.
297 * tests/torture.at (Exploding the Stack Size with Alloca): Update
299 (Exploding the Stack Size with Malloc): Update declaration.
301 2007-09-24 Wojciech Polak <polak@gnu.org>
303 Add XSLT transformations.
305 * data/xslt/xml2dot.xsl: Transform XML into DOT.
306 * data/xslt/xml2text.xsl: Transform XML into plain text.
307 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
308 * data/Makefile.am (xsltdir): New variable.
309 (dist_xslt_DATA): Add xslt/*.xsl files.
311 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
313 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
314 Problem reported by Wojciech Polak.
315 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
316 (xml_printf): Undo change I made on 21 September; that is,
317 indent 2 spaces, not 1.
319 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
321 Pacify ./configure --enable-gcc-warnings.
322 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
323 `char const *' instead of `char *'.
324 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
325 local variable `sep'.
327 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
329 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
331 * src/print-xml.c: Prefer "const" after types; that's more consistent.
332 (xml_printf): Indent just 1 space for level.
333 (e_char, xlate_char): Remove.
334 (xml_escape_string): Rewrite to avoid undefined behavior (used
335 storage that was freed from the stack).
336 (xml_escape_n): Don't bother checking for subscript error.
338 2007-09-21 Wojciech Polak <polak@gnu.org>
340 Add Bison XML Automaton Report.
342 Add support for an -x option to generate an XML report.
343 It is not documented yet.
344 * src/print-xml.c: New file.
345 * src/print-xml.h: Likewise.
346 * lib/timevar.def (TV_XML): New var.
347 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
348 * src/conflicts.c: Include print-xml.h.
349 (solved_conflicts_xml_obstack): New var.
350 (log_resolution, conflicts_solve, conflicts_free):
351 Add support for XML report.
352 (conflicts_output_val): New function.
353 * src/conflicts.h (conflicts_output_val): New decl.
354 * src/files.c (spec_xml_file): New var.
355 (compute_output_file_names, output_file_names_free): Add XML support.
356 * src/files.h (spec_xml_file): New decl.
357 * src/getargs.c (xml_flag): New var.
358 (usage, short_options, long_options, getargs): Add XML support.
359 * src/getargs.h (xml_flag): New decl.
360 * src/gram.c: Include print-xml.h.
361 (rule_lhs_print_xml, rule_rhs_print_xml):
362 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
364 * src/gram.h: Declare external ones.
365 * src/main.c: Include print-xml.h.
366 (main): Add XML support.
367 * src/reduce.c: Include print-xml.h.
368 (reduce_xml): New function.
369 * src/reduce.h: Declare it.
370 * src/state.c: Include print-xml.h.
371 (state_new): Add XML support.
372 (state_rule_lookahead_tokens_print_xml): New function.
373 * src/state.h: Declare it.
374 (struct state): New member solved_conflicts_xml.
375 * src/symtab.c (symbol_class_get_string): New function.
376 * src/symtab.h: Declare it.
378 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
380 * GNUmakefile: Switch to coreutils's version.
381 * bootstrap: Likewise.
382 * Makefile.cfg: Adjust to new GNUmakefile.
383 * README-hacking: Likewise.
387 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
388 Bruno Haible <bruno@clisp.org>
390 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
391 and is a script that invokes bison. Tighten the code. Add comments.
393 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
395 Spell "boolean" as "Boolean". Reported by Akim Demaille.
396 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
397 * doc/bison.texinfo (Decl Summary): Fix.
398 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
399 * tests/input.at (Boolean %define variables): Update output.
400 * tests/skeletons.at (%define boolean variables: invalid skeleton
401 defaults): Rename to...
402 (%define Boolean variables: invalid skeleton defaults): ... this and
405 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
407 In impure push mode, don't allow more than one yypstate to be allocated
408 since multiple impure parsers would corrupt yynerrs.
409 * data/push.c (yypstate_allocated): New static global variable
411 (yypull_parse): If yypstate_new returns 0, don't report it as memory
412 exhaustion if yypstate_allocated is 1, but still return 2.
413 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
414 already 1. Otherwise, set it to 1.
415 (yypstate_delete): Set it to 0.
416 * tests/push.at (Push Parsing: Multiple impure instances): New test
419 2007-08-17 Bob Rossi <bob@brasko.net>
421 * doc/bison.texinfo (Push Decl): Document the push parser.
422 (Table of Symbols): Ditto.
424 (Decl Summary): Ditto.
425 (Multiple Parsers, Push Parser Function, Pull Parser Function,
426 Parser Create Function, Parser Delete Function):
427 Add new push parser symbols.
428 (Table of Symbols): Document push-parser, push-pull-parser,
429 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
431 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
434 * doc/gpl-3.0.texi: New file.
435 * doc/gpl.texi: Remove.
436 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
437 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
438 * README-hacking, TODO, bootstrap, bootstrap.conf:
439 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
440 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
441 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
442 * data/lalr1.cc, data/lalr1.java, data/location.cc:
443 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
444 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
445 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
446 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
447 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
448 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
449 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
450 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
451 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
452 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
453 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
454 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
455 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
456 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
457 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
458 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
459 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
460 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
461 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
462 * src/complain.c, src/complain.h, src/conflicts.c:
463 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
464 * src/files.h, src/flex-scanner.h, src/getargs.c:
465 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
466 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
467 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
468 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
469 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
470 * src/print.c, src/print.h, src/print_graph.c:
471 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
472 * src/reduce.h, src/relation.c, src/relation.h:
473 * src/revision.h, src/scan-code.h, src/scan-code.l:
474 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
475 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
476 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
477 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
478 * tests/Makefile.am, tests/actions.at, tests/c++.at:
479 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
480 * tests/existing.at, tests/glr-regression.at:
481 * tests/headers.at, tests/input.at, tests/java.at:
482 * tests/local.at, tests/output.at, tests/push.at:
483 * tests/reduce.at, tests/regression.at, tests/sets.at:
484 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
488 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
490 Get rid of broken %no-parser, -n, and --no-parser implementation and
492 * TODO: Don't mention them.
493 * doc/bison.1: Likewise.
494 * doc/bison.texinfo (Decl Summary): Likewise.
495 (Bison Options): Likewise.
496 (Option Cross Key): Likewise.
497 * src/getargs.c (no_parser_flag): Remove global variable.
498 (usage): Don't print description of -n and --no-parser.
499 (long_options): Remove --no-parser entry here.
500 (getargs): Remove -n case in the switch here.
501 * src/getargs.h (no_parser_flag): Remove extern.
502 * tests/regression.at (Web2c Actions): Remove comment that mentions
505 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
507 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
508 name user variables starting with `yy'. Just pass NULL instead of a
509 dummy local &yylval to yypush_parse.
510 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
513 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
515 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
516 true since it's then always used regardless of whether yyoverflow is
517 defined. Reported by Christian Burger at
518 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
519 * THANKS: Add Christian Burger.
521 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
522 node names: say "Decl Summary" not "Bison Declaration Summary".
524 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
526 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
527 determine whether this function has already complained about an invalid
528 value for a %define boolean variable, don't check whether Bison has
529 ever examined the value. As written, the check was a tautology.
530 Instead, record and check for this complaint using a separate muscle.
532 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
534 Fix push parsing memory leak reported by Brandon Lucia at
535 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
536 * THANKS: Add Brandon Lucia.
537 * data/push.c (yypstate_delete): Free the stack if it was reallocated
538 but the parse never completed and thus freed it.
539 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
540 * tests/testsuite.at: Include push.at.
542 (Push Parsing: Memory Leak for Early Deletion): New test case.
544 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
546 Improve handling of multiple S/R conflicts in the same state and of S/R
547 conflicts involving multiple reductions.
548 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
549 set for a state here or Bison will abort if it is reassigned on a
550 later conflicted reduction in the same state.
551 Similarly, don't finalize and assign the solved conflicts report here
552 or it will be lost if it is reassigned on a later conflicted reduction
554 (set_conflicts): Instead, assign them both here after all S/R conflicts
555 in the state have been fully examined.
556 * src/print.c (shift_set): Rename to...
557 (no_reduce_set): ... this.
558 (print_reductions): Update for rename, and add %nonassoc error action
559 tokens to no_reduce_set so that, when printing the first remaining
560 reduction on an error action token, the reduction is enclosed in
562 (print_results): Update for rename.
563 * tests/conflicts.at (Solved conflicts report for multiple reductions
564 in a state): New test case.
565 (%nonassoc error actions for multiple reductions in a state): New test
568 * src/main.c (main): Don't depend on C99 features.
570 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
572 * build-aux/.cvsignore: Add compile.
573 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
576 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
578 * bootstrap (slurp): Create target directories that don't exist.
579 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
581 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
583 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
585 * closure.c (closure): Likewise.
586 * state.h (reductions): Comment sorting of rules.
587 (state): Comment sorting of items.
589 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
591 Fix C++ test cases after recent Gnulib changes. Discussed starting at
592 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
593 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
594 definition in order to avoid Gnulib headers since we don't use config.h
596 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
597 rather than AT_DATA so that config.h is included.
599 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
601 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
602 instead of fprintf. Guard these functions with #if YYDEBUG instead of
603 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
604 and so that YYFPRINTF is guaranteed to be defined here.
606 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
608 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
610 (muscle_percent_define_check_values): ... this more helpful function.
611 Again, it's not used yet, but it will be.
612 * src/muscle_tab.h: Likewise.
614 Improve some comments in parser table construction.
615 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
616 (generate_states): Don't mention ruleset, which is internal to closure.
617 * src/closure.c (closure): Explain sorting of core and itemset, which
618 is required for this function to behave correctly.
619 * src/closure.h (closure): Mention sorting.
621 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
623 * src/lalr.c (state_lookahead_tokens_count): For code readability,
624 move the check for disabled transitions to an aver since conflict
625 resolution hasn't happened yet.
627 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
628 labels a state as inconsistent just because it has error transitions.
629 The original form of this check appeared in revision 1.1 of lalr.c,
630 which was committed on 1991-12-21. Now (at least), changing the
631 consistency label on such a state appears to have no useful effect in
632 any of the places it is examined, which I enumerate below. The key
633 point to understanding each item in this enumeration is that a state
634 with an error transition is labelled consistent in the first place only
635 if it has no rules, so the check cannot matter for states that have
636 rules. (1) Labelling a state as inconsistent will cause set_conflicts
637 to try to identify its conflicts, and a state must have *rules* to have
638 conflicts. (2) Labelling a state as inconsistent will affect how
639 action_row sets the default *rule* for the state. (3) Labelling a
640 state as inconsistent will cause build_relations to add lookback edges
641 to *rules* in that state.
642 * src/state.h (struct state): Word the comment for member consistent
645 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
647 Don't depend on C99 features.
648 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
649 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
650 * src/reader.c (check_and_convert_grammar): Fix for-loop.
651 * src/state.c (state_mark_reachable_states): Fix for-loop.
652 (state_remove_unreachable_states): Fix for-loop.
654 Don't widen struct state with member reachable just to temporarily
655 record reachability. Instead, use a local bitset.
656 * src/state.h (struct state): Remove member.
657 * src/state.c (state_new): Don't initialize it.
658 (state_mark_reachable_states): Rename to...
659 (state_record_reachable_states): ... this, and use bitset.
660 (state_remove_unreachable_states): Use bitset.
662 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
664 * src/Makefile.am (yacc): Quote target action commands properly so
665 that the yacc script isn't corrupt. Reported by Hans Aberg at
666 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
668 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
669 the case of pure parsers. Reported by Frans Englich at
670 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
671 * THANKS: Add Frans Englich.
673 * NEWS (2.3a+): In the %code entry, reference section `Bison
674 Declaration Summary' from the manual now since the %code summary has
676 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
677 in the rules section must be terminated by semicolons.
679 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
681 Extend the front-end API for %define variables to more completely
682 mirror the back-end. This will be useful in the future.
683 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
684 Update comments to mention the new front-end counterparts of these
686 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
687 for muscle_string_decode and muscle_location_decode.
688 (muscle_string_decode): New static function.
689 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
690 (muscle_percent_define_get, muscle_percent_define_ifdef): New
692 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
693 muscle_percent_define_get to mimic the b4_percent_define_flag_if
694 implementation more closely.
695 (muscle_percent_define_invalid_value): New function.
696 * src/muscle_tab.h (muscle_percent_define_get,
697 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
700 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
702 * NEWS (2.3a+): Mention yesterday's state-removal change.
703 (2.3a): Remove the %language entry, which was added after 2.3a.
704 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
705 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
706 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
707 tests/existing.at: Update copyright date.
709 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
711 If conflict resolution makes states unreachable, remove those states,
712 report rules that are then unused, and don't report conflicts in those
714 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
716 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
718 * src/main.c (main): After conflict resolution, remove the unreachable
719 states and update all data structures that reference states by number.
720 * src/state.c (state_new): Initialize each state's reachable member to
722 (state_mark_reachable_states): New static function.
723 (state_remove_unreachable_states): New global function.
724 * src/state.h (struct state): Add member bool reachable.
725 (state_remove_unreachable_states): Prototype.
726 * tests/conflicts.at (Unreachable States After Conflict Resolution):
728 * tests/existing.at (GNU pic Grammar): Update test case output now that
729 an unused rule is discovered.
731 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
733 Minor code cleanup in parser table construction.
734 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
735 (new_itemsets, save_reductions): Update for rename to nitemset.
736 * src/closure.c (nritemset): Rename to...
737 (nitemset): ... this since the "r" appears to meaningless and isn't
738 used in the comments.
739 (closure): Update for rename.
740 * src/closure.h (nritemset): Update extern to...
741 (nitemset): ... this.
742 * src/lalr.c (LA): Fix a typo in comments.
743 * src/print.c (print_core): Update for rename to nitemset.
744 * src/print_graph.c (print_graph): Likewise.
745 * src/state.h: Fix some typos in header comments.
747 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
749 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
750 still sticks to ASCII. Sorry!
752 * README-hacking: New file, taken mostly from coreutils, with changes
753 for Bison. Contains much of the contents of:
754 * README-cvs: Remove.
755 * bootstrap: Sync from gnulib.
756 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
757 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
759 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
761 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
763 (Java Differences): Fix some typos.
764 * THANKS: Add Sebastian Setzer.
766 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
768 * data/java.m4 (b4_single_class_if): Remove.
769 (b4_abstract_if): Look at "%define abstract".
771 (b4_union_name): Rename...
772 (b4_yystype): ... to this. Map to "%define stype".
773 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
774 b4_maybe_throws): Fix quoting.
775 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
776 * data/lalr1.java (Lexer interface): Always define.
777 (Lexer interface within parser class): Remove.
778 (YYLexer class): New, used when "%code lexer" is present.
779 (constructor): When "%code lexer" is used, pass %lex-param
780 to the lexer constructor.
781 (yylex, yyparse): Remove %lex-param from method invocations
782 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
784 * doc/bison.texinfo (Java Bison Interface): Mention "%define
785 abstract". Rename "%define union_name" to "%define stype".
786 Rename method names according to previous patch.
787 (Java Scanner Interface): Describe "%code lexer" instead of
788 "%pure-parser" and "%define single_class".
789 (Java Differences): Mention "%code lexer".
791 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
792 Include scanner here, using macros from tests/local.at.
793 (AT_DATA_CALC_Y): Remove final argument.
794 (_AT_CHECK_JAVA_CALC): Likewise.
795 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
796 of %locations and %error-verbose.
797 (main): Test with and without %lex-param.
798 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
799 (AT_BISON_OPTION_POPDEFS): Pop it.
801 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
803 DJGPP spefic issue. Inhibit the use of disallowed characters for
804 file name genertion on Win98, WinXP, etc. These are |<>":?*\
805 and concern testsuite case 46.
806 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
807 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
808 * djgpp/config.bat: Inhibit the use of disallowed characters.
810 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
812 Miscellaneous %define and %code cleanup.
813 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
814 values are interpreted.
815 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
816 documentation a little more.
817 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
818 muscle_percent_define_insert, muscle_percent_code_grow): New
820 * src/muscle_tab.h (muscle_percent_define_insert,
821 muscle_percent_code_grow): Prototype.
822 * src/parse-gram.y (prologue_declaration): Use
823 muscle_percent_define_insert and muscle_percent_code_grow when parsing
824 %define and %code directives.
826 Make it easy to share %define boolean variables between the front-end
827 and back-end. Though not used yet, this will be useful in the future.
828 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
829 Bison uses of names rather than just skeleton uses of names.
830 (b4_percent_define_get, b4_percent_define_ifdef): Rename
831 b4_percent_define_skeleton_variables(VARIABLE) to
832 b4_percent_define_bison_variables(VARIABLE).
833 (b4_percent_code_get, b4_percent_code_ifdef): Rename
834 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
835 b4_percent_code_bison_qualifiers(QUALIFIER).
836 (b4_check_user_names_wrap): Update for renames.
837 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
838 muscle_percent_define_default): New functions mimicking
839 b4_percent_define_flag_if and b4_percent_define_default.
841 For %define variables, report locations for invalid values and
843 * data/bison.m4 (b4_percent_define_flag_if): Read
844 b4_percent_define_loc(VARIABLE) to report the location of an invalid
846 (b4_percent_define_default): Save a special location in
847 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
848 must later be reported as invalid.
849 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
851 (muscle_percent_define_insert): Record the location of VARIABLE in
852 muscle percent_define_loc(VARIABLE), and use it to report the previous
853 location for a redefinition.
854 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
855 (muscle_percent_define_default): Update like b4_percent_define_default.
856 (muscle_grow_user_name_list): Rename to...
857 (muscle_user_name_list_grow): ... this for consistency and use
858 muscle_location_grow.
859 * src/muscle_tab.h (muscle_location_grow): Prototype.
860 * tests/input.at (%define errors): Update expected output.
861 * tests/skeletons.at (%define boolean variables: invalid skeleton
862 defaults): New test case.
864 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
866 * src/print.c (lookahead_set, state_default_rule): Remove.
867 (print_reductions): Replace state_default_rule invocation with
868 equivalent use of yydefact, which was computed in token_actions in
870 (print_results): Don't allocate lookahead_set.
872 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
874 * data/lalr1.java: Prefix all private members with yy.
876 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
878 Use YYFPRINTF instead of fprintf where appropriate. Reported by
880 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
881 * THANKS: Add Sebastien Fricker.
882 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
883 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
884 accept a variable number of arguments.
886 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
888 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
890 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
892 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
893 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
894 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
896 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
898 Undo my 2007-02-07 change, switching back to the c-strcase module
899 introduced in the 2007-02-03 change. Bruno Haible reported that
900 the 2007-02-07 change would be dangerous in Turkish if we add a
901 language whose name contains "i", since "i" is not lowercase "I"
903 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
904 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
905 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
906 * m4/.cvsignore: Remove strcase.m4.
907 * src/getargs.c: Revert 2007-02-07 change, as follows.
909 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
911 2007-02-11 Bruno Haible <bruno@clisp.org>
913 Enable the Java related testsuite tests when the only Java compiler
914 found is a gcj < 4.3. Discussed at
915 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
916 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
918 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
920 * data/Makefile.am: Update copyright date.
921 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
922 yypstate_new returns NULL.
923 (yypstate_new): Return NULL if malloc does.
924 * src/reader.c (packgram): Move translation of rule actions from the
925 beginning of packgram to...
926 (check_and_convert_grammar): ... here right before packgram is invoked
927 so it's easier to write more complete comments, and remove redundant
930 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
932 As in semantic actions, make @$ in %initial-action, %destructor, and
933 %printer imply %locations.
934 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
936 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
937 (@$ in %initial-action implies %locations,
938 @$ in %destructor implies %locations,
939 @$ in %printer implies %locations): ... these new test cases.
941 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
943 Undo most of the 2007-02-03 change, switching to the strcase module
944 now that gnulib strcase has been fixed.
945 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
946 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
947 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
948 * m4/.cvsignore: Add strcase.m4.
949 * src/getargs.c: Revert 2007-02-03 change, as follows.
950 Don't include c-strcase.h.
951 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
952 strcasecmp has "unspecified behavior" outside the POSIX locale,
953 but it works fine in practice if at least one argument is ASCII,
954 as is the case in Bison.
956 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
958 * tests/java.at: Skip tests if only one of javac/java is present.
959 Reported by Joel E. Denny.
960 * tests/atlocal.in: Adjust copyright years.
962 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
964 * data/lalr1.java (Stack): Work around old verifiers that disallow
965 access to the private fields of an inner class, from the outer class.
966 We can make Stack's fields public because user code doesn't have access
967 to the instance of Stack used by parse(). Reported by Paul Eggert.
969 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
971 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
972 the right spot for these files?
973 * bootstrap.conf (gnulib_modules): Add c-strcase.
974 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
976 * src/getargs.c: Include c-strcase.h.
977 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
978 to avoid unspecified behavior.
980 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
982 * doc/bison.texinfo (Decl Summary): Correct typo.
984 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
986 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
987 Complain if the value does not match empty, "true" or "false".
988 * data/c++.m4: Adjust default definitions of %define variables.
989 * data/java.m4: Adjust default definitions of %define variables.
990 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
992 * tests/input.at (Boolean %define variables): Test new behavior.
994 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
996 * NEWS: Mention java.
997 * TODO: Remove things that are done.
998 * bootstrap.conf: Add javacomp-script and javaexec-script.
999 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
1001 * data/Makefile.am: Add new files.
1002 * data/java-skel.m4: New.
1003 * data/java.m4: New.
1004 * data/lalr1.java: New.
1006 * doc/bison.texinfo: Put "A Complete C++ Example" under
1007 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
1008 under Other Languages.
1010 * src/getargs.c (valid_languages): Add Java.
1011 * src/getargs.h (struct bison_language): Update size of string fields.
1013 * tests/Makefile.am: Add java.at.
1014 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
1015 * tests/java.at: New.
1016 * tests/testsuite.at: Include it.
1018 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
1021 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
1022 at_directive_argv arguments so these no longer have to be global
1023 variables. Also, update the implementation for the following changes.
1024 (fail_for_at_directive_too_many_args,
1025 fail_for_at_directive_too_few_args): Add at_directive_name argument.
1026 (at_directive_name): Remove as at_directive_argv[0] will be used for
1028 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
1029 for the directive name.
1030 (at_directive_argc, at_directive_argv): Make these local within
1031 skel_lex instead of global.
1032 (INITIAL): Update directive start action for above changes.
1033 (SC_AT_DIRECTIVE_ARG): Rename to...
1034 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
1035 (SC_AT_DIRECTIVE_SKIP_WS): Update.
1036 (scan_skel): Move yylex_destroy to...
1037 (skel_scanner_free): ... here.
1038 * tests/skeletons.at (installed skeleton file name): Rename to...
1039 (installed skeleton file names): ... this.
1041 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
1043 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
1044 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
1045 Summary" not "Directives".
1046 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
1047 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
1048 since the former is now the more complete one.
1049 (Prologue Alternatives): Likewise and do the same for %defines.
1050 (Table of Symbols): Add summary of %code, add summary of %define, and
1051 move full %code documentation to...
1052 (Decl Summary): ... here for consistency with other entries in these
1054 Move %define entry in order to keep this list alphabetized.
1055 Reword %define entry a little to put less emphasis on the skeleton
1056 concept, which most users shouldn't have to think about.
1058 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
1060 Adjust to recent gnulib changes.
1061 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
1062 Add string.h, string_.h, unistd_.h, wchar_.h.
1063 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
1064 * src/system.h: Don't include <stpcpy.h>; this is now done by
1067 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
1069 Simplify implementation of unqualified %code, implement macros for
1070 uniform treatment of boolean %define flags. Document %define.
1071 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
1072 b4_percent_code_ifdef): New.
1073 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
1074 * data/c++.m4: Define default value for global_tokens_and_yystype.
1075 * data/glr.cc: Likewise.
1076 * data/location.cc: Use b4_percent_define_flag_if.
1078 * doc/bison.texinfo (Decl Summary): Document %define.
1080 * src/parse-gram.y (Unqualified %code): Change muscle name to
1082 (content.opt): Default to empty.
1084 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
1086 Implement support for relative and absolute skeleton file names.
1087 Discussed starting at
1088 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
1089 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
1090 (Bison Options): Document in --skeleton entry.
1091 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
1092 full_skeleton can't necessarily hold all of pkgdatadir.
1093 If the specified skeleton file name contains a `/', don't prepend
1095 * src/parse-gram.y (prologue_declaration): If the specified skeleton
1096 file name contains a `/', prepend the grammar file directory.
1097 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
1098 * skeletons.at: New file.
1099 (relative skeleton file names): New test case.
1100 (installed skeleton file names): New test case.
1101 * tests/testsuite.at: Include skeletons.at.
1103 * bootstrap: Update copyright to 2007.
1105 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
1107 * bootstrap: Remove occurrences of .#bootmp from the files.
1109 2007-01-17 Akim Demaille <akim@epita.fr>
1111 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
1113 Use per-type %printer.
1115 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
1117 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
1118 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
1119 djgpp/config.site, src/files.c, src/files.h, src/main.c,
1120 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
1121 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
1122 tests/glr-regression.at, tests/input.at, tests/local.at,
1123 tests/output.at, tests/torture.at: Update copyright to 2007.
1125 2007-01-16 Akim Demaille <akim@epita.fr>
1127 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
1129 (Calc++ Scanner): Exit with failure if we can't open the input
1131 Accept "-" standing for stdin.
1132 (Calc++ Top Level): Print the result only if the parsing was
1135 2007-01-16 Akim Demaille <akim@epita.fr>
1137 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
1139 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
1140 and Joel E. Denny <jdenny@ces.clemson.edu>
1142 Clean up %define and %code implementation in M4 some. Most
1143 importantly, rename all related macros to be in the b4_percent_define
1144 and b4_percent_code namespaces. Also, complete support for `.' in
1145 %define variable names and %code qualifiers.
1146 * data/bison.m4 (b4_check_user_names): Check for special
1147 "SKELETON-NAMESPACE(name)" macros instead of using two nested
1149 (b4_get_percent_define, b4_get_percent_code): Rename to...
1150 (b4_percent_define_get, b4_percent_code_get): ... these.
1151 Extend documentation with examples.
1152 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
1153 b4_percent_define_skeleton_variables and
1154 b4_percent_code_skeleton_qualifiers.
1155 Expect any value for the %define variable `foo' to be stored in the
1156 macro named `b4_percent_define(foo)'; expect any %code blocks for the
1157 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
1158 expect any unqualified %code blocks to be stored in a macro named
1159 `b4_percent_code_unqualified'.
1160 Use m4_indir so that %define variable names and %code qualifiers can
1161 contain `.', which is allowed by the grammar parser.
1162 (b4_percent_define_default): New macro to set a default value for a
1164 (m4_wrap): Update wrapped code, and fix some underquoting.
1165 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
1166 Expect grammar uses of %define variables and %code qualifiers to be
1167 defined in b4_percent_define_user_variables and
1168 b4_percent_code_user_qualifiers.
1169 * data/c++.m4: Use b4_percent_define_default rather than
1170 m4_define_default. Fix some underquoting. Skeleton usage of %define
1171 variable define_location_comparison now implies skeleton usage of
1172 %define variable filename_type.
1173 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
1174 data/push.c, data/yacc.c: Update macro names.
1175 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
1178 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
1180 DJGPP specific issues.
1182 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
1183 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
1185 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
1187 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
1188 run parsers in all tests so that Valgrind is invoked during
1189 maintainer-check-valgrind.
1190 (Duplicate representation of merged trees): Free all semantic values.
1191 (Duplicated user destructor for lookahead): Likewise.
1193 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
1195 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
1196 command-line prefix.
1197 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
1198 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
1199 miss Valgrind messages.
1200 (Exploding the Stack Size with Malloc): Likewise.
1202 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
1204 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
1205 locals. Reported by Juan Manuel Guerrero at
1206 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
1207 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
1208 Fix some indentation also.
1209 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
1210 explaining this issue.
1212 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
1213 and Joel E. Denny <jdenny@ces.clemson.edu>
1215 Simplify union and prologue handling, and escape union and lex/parse
1216 params with digraphs.
1217 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
1218 values to the empty string since these are no longer guaranteed
1219 initialized by the front-end.
1220 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
1221 braces around b4_user_stype since this is no longer done by the
1223 * src/files.c, src/files.h (pre_prologue_obstack,
1224 post_prologue_obstack): Remove.
1225 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
1226 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
1227 with digraphs. This fixes lex params and parse params.
1228 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
1229 * src/output.c (prepare): Remove muscle insertion of the prologues.
1230 (output): Remove freeing of pre_prologue_obstack and
1231 post_prologue_obstack.
1232 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
1233 than prologue_augment for prologue parsing so you don't need prologue
1235 (grammar_declaration): For %union RHS, use `braceless' instead of
1236 "{...}" so that braces are already stripped and code is escaped with
1238 * src/reader.c (prologue_augment): Remove.
1239 (reader): Remove initialization of pre_prologue_obstack and
1240 post_prologue_obstack.
1241 * src/reader.h (prologue_augment): Remove.
1243 * data/c.m4: Remove stray parenthesis.
1245 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
1247 Remove quotes from variables names in %define directives and from
1248 qualifiers in %code directives, and restrict the characters that are
1249 allowed in them to M4-friendly ones. For %define, continue to support
1250 the quoted form as a deprecated feature. Discussed starting at
1251 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
1252 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
1254 * doc/bison.texinfo (Prologue Alternatives): Update.
1255 (Decl Summary): In %defines entry, update mention of `%code requires'
1256 and `%code provides'.
1257 (C++ Location Values): Update %define uses.
1258 (Calc++ Parser Interface): Likewise.
1259 (Calc++ Parser): Likewise, and update `%code requires' uses.
1260 (Table of Symbols): Update %code documentation.
1261 * src/parse-gram.y (prologue_declaration): For %define variables, use
1262 `variable' instead of `STRING'.
1263 (grammar_declaration): For %code qualifiers, use `ID' instead of
1265 (variable): New nonterminal that takes an `ID' or a `STRING'.
1266 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
1268 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
1269 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
1270 (%define errors): Update %define uses.
1272 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
1274 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
1275 instead of muscle_insert for %define values so that M4-special
1276 characters are replaced with digraphs.
1277 * tests/input.at (%define errors): Extend to check weird values.
1279 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
1281 Instead of having skeletons declare all valid %define variables and
1282 %code qualifiers, provide macros that retrieve the associated values
1283 and build these lists automatically. Thus Bison will now warn when a
1284 variable or qualifier is not used by the skeleton in the current
1285 invocation regardless of whether it might sometimes be used by that
1286 skeleton in other invocations. Also, move all %define value macros to
1287 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
1288 form, which is replaced by %code.
1289 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
1290 (b4_check_user_names): ... this, and change the series of valid name
1291 arguments to a single list argument for names used in the skeleton
1292 similar to the existing list argument for names used in the grammar.
1293 Warn instead of complaining.
1294 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
1295 values and %code code, to format %code code properly, and to build
1296 lists of all %define variables and %code qualifiers used in the
1297 skeleton: b4_skeleton_percent_define_variables and
1298 b4_skeleton_percent_code_qualifiers.
1299 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
1301 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
1302 the skeleton names lists can finish building first. In place of
1303 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
1304 expect the lists b4_user_percent_define_variables and
1305 b4_user_percent_code_qualifiers.
1306 * data/c++.m4: Where setting default values for b4_parser_class_name,
1307 b4_location_type, b4_filename_type, b4_namespace, and
1308 b4_define_location_comparison, update their names to the
1309 b4_percent_define_ namespace.
1310 * data/glr.c: Don't use b4_check_percent_define_variables and
1311 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
1312 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
1313 (b4_parser_class_name, b4_namespace): Define these using
1314 b4_get_percent_define for parser_class_name and namespace.
1315 * data/location.cc: Use b4_get_percent_define.
1316 * data/push.c: Don't use b4_check_percent_define_variables and
1317 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
1318 * data/yacc.c: Likewise, and don't call m4_exit in
1319 b4_use_push_for_pull_if or m4_wrap code will never execute.
1320 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
1322 (muscle_grow_user_name_list): ... this for consistency with the
1323 terminology used in bison.m4.
1324 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
1325 %define variable names, and rename muscle used_percent_define_variables
1326 to user_percent_define_variables.
1327 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
1328 user_percent_code_qualifiers.
1330 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
1331 {CODE} form is no longer accepted.
1332 * tests/input.at (Reject bad %code qualifiers): Rename to...
1333 (Reject unused %code qualifiers): ... this, and update test output.
1334 (%define error): Update test output.
1336 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
1338 Check for unrecognized %define variables similar to checking for
1339 unrecognized %code qualifiers. Check for redefined %define variables.
1340 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
1342 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
1343 (b4_check_percent_define_variables): New, also wraps it.
1344 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
1345 variables using b4_check_percent_define_variables.
1346 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
1347 all those exercised in the test suite and all those listed in the
1348 `Default values' section of c++.m4. Are there others?
1349 * data/push.c, data/yacc.c: Declare no valid %define variables.
1350 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
1351 similar to muscle_find, but it works even when the muscle stores a
1353 (muscle_grow_used_name_list): New function for constructing the used
1354 name list muscles that b4_check_for_unrecognized_names requires.
1355 * src/parse-gram.y (prologue_declaration): Warn if a variable is
1356 %define'd more than once. Define the b4_used_percent_define_variables
1357 muscle with muscle_grow_used_name_list.
1358 (grammar_declaration): Abbreviate %code code with
1359 muscle_grow_used_name_list.
1360 * tests/input.at (%define errors): New.
1362 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
1364 Provide warn_at, complain_at, and fatal_at function callbacks to the
1365 skeletons, and use this for %code qualifier complaints.
1366 * data/bison.m4 (b4_error_at): New, invoked by...
1367 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
1368 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
1369 @fatal_at(...@) directives.
1370 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
1371 qualifiers in b4_used_percent_code_qualifiers and to use
1373 * src/location.c, src/location.h (boundary_set_from_string): New global
1375 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
1377 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
1378 to b4_used_percent_code_qualifiers.
1379 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
1381 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
1382 (lineno): Rename to...
1383 (out_lineno): ... this so I don't misunderstand it again.
1384 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
1385 here; these newlines are in the input but not the output file.
1386 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
1387 (at_directive_perform): ... this new static function, and add handling
1388 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
1390 * tests/input.at (Reject bad %code qualifiers): Update test output with
1391 locations and extend.
1393 * tests/output.at (Output file name: [, Output file name: ]): Remove
1394 bogus comment about these tests failing.
1396 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
1398 Clean up b4_check_percent_code_qualifiers a little.
1399 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
1400 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
1401 documentation and add examples.
1402 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
1405 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
1407 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
1408 unreliable -- especially when they're hidden inside another macro.
1409 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
1410 data/c.m4: Remove m4_divert(-1).
1411 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
1412 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
1413 m4_divert_push(0) and m4_divert_pop(0).
1414 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
1415 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
1416 pushed and popped by m4sugar, should be first on the stack.
1418 Provide warn, complain, and fatal function callbacks to the skeletons.
1419 This provides more flexibility than m4_fatal, improves the error
1420 message format, and captures messages for translation. Discussed
1422 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
1423 * data/bison.m4 (b4_error): New, invoked by...
1424 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
1425 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
1426 directives. Because these M4 macros might be called when the current
1427 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
1428 the previous removal of uses of m4_divert, which caused trouble.
1429 (b4_check_percent_code_qualifiers): Use b4_complain instead of
1430 m4_fatal to report unrecognized %code qualifiers.
1431 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
1432 push parser requests.
1433 * data/glr.c: Use b4_complain instead of m4_fatal to report
1434 non-deterministic push parser requests.
1435 Update @output usage to @output(...@) form.
1436 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
1437 report missing %defines. Update @output usage to @output(...@) form.
1438 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
1440 * src/main.c (main): Invoke skel_scanner_free.
1441 * src/scan-skel.h (skel_scanner_free): Prototype new function.
1442 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
1443 obstack_for_string from flex-scanner.h.
1444 (YY_DECL): Use to declare skel_lex static.
1445 (decode_at_digraphs): Remove; now handled in the new
1446 SC_AT_DIRECTIVE_ARG start condition.
1447 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
1449 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
1450 at_directive_argv): New static globals.
1451 (INITIAL): Use fail_for_invalid_at.
1452 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
1453 recognize the start of a generalized `@directive(...@)' form and
1455 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
1456 directive args (using the new obstack_for_string), to decode the
1457 contained @ diagraphs, and to perform the directive. It recognizes
1458 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
1460 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
1461 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
1463 (scan_skel): Initialize obstack_for_string on the first call.
1464 (skel_scanner_free): New function to free obstack_for_string.
1465 * tests/input.at (Reject bad %code qualifiers): Update test output.
1467 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
1469 Consolidate the 4 prologue alternative directives (%code, %requires,
1470 %provides, and %code-top) into a single %code directive with an
1471 optional qualifier field. Discussed at
1472 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
1473 * NEWS (2.3a+): Rewrite the existing entry for the prologue
1475 * doc/bison.texinfo (Prologue Alternatives): Update.
1476 (Decl Summary): Update to %code "requires" and %code "provides".
1477 (Calc++ Parser): Update to %code "requires".
1478 (Table of Symbols): Remove entries for %requires, %provides, and
1479 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
1480 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
1481 are replaced by b4_percent_code_provides and b4_percent_code_requires,
1482 which are skeleton-specific.
1483 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
1484 declare what %code qualifiers it supports and to complain if any other
1485 qualifiers were used in the grammar.
1486 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
1487 and b4_user_code([b4_percent_code_provides]) in place of
1488 b4_user_requires and b4_user_provides.
1489 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
1490 Add b4_user_code([b4_percent_code_top]) and
1491 b4_user_code([b4_percent_code]).
1492 Invoke b4_check_percent_code_qualifiers.
1493 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
1494 PERCENT_REQUIRES): Remove.
1495 (grammar_declaration): Remove RHS's for %code-top, %provides, and
1496 %requires. Rewrite the %code RHS as the unqualified form defining the
1497 muscle b4_percent_code. Add another RHS for the qualified %code form,
1498 which defines muscles of the form b4_percent_code_QUALIFIER and the
1499 b4_used_percent_code_qualifiers muscle.
1500 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
1501 PERCENT_REQUIRES): Remove.
1502 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
1503 %code "requires" and %code "provides".
1504 * tests/input.at (Reject bad %code qualifiers): New.
1506 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
1508 Use the new code_props interface for destructors and printers.
1509 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
1510 printer_location members, and change the type of the destructor and
1511 printer members to code_props.
1512 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
1513 symbol_printer_get, semantic_type_destructor_set,
1514 semantic_type_printer_set, default_tagged_destructor_set,
1515 default_tagless_destructor_set, default_tagged_printer_set,
1516 default_tagless_printer_set): Use code_props in arguments and return
1517 types in place of char const * and location.
1518 (symbol_destructor_location_get, symbol_printer_location_get): Remove
1519 since the locations are now contained in the return of
1520 symbol_destructor_get and symbol_printer_get.
1521 * src/output.c (symbol_destructors_output, symbol_printers_output):
1523 (symbol_code_props_output): ... this to eliminate duplicate code.
1524 (output_skeleton): Update to use symbol_code_props_output.
1525 * src/reader.c (symbol_should_be_used): Update use of
1526 symbol_destructor_get.
1527 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
1528 Update uses of the various _destructor_set and _printer_set functions.
1529 * src/symtab.c: (default_tagged_destructor_location,
1530 default_tagless_destructor_location, default_tagged_printer_location,
1531 default_tagless_printer_location): Remove since we...
1532 (default_tagged_destructor, default_tagless_destructor,
1533 default_tagged_printer, default_tagless_printer): ... change the type
1534 of these to code_props.
1535 (symbol_new, semantic_type_new, symbol_destructor_set,
1536 semantic_type_destructor_set, symbol_destructor_get,
1537 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
1538 symbol_check_alias_consistency, default_tagged_destructor_set,
1539 default_tagless_destructor_set, default_tagged_printer_set,
1540 default_tagless_printer_set): Update.
1541 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
1542 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
1544 (symbol_print): Use SYMBOL_CODE_PRINT.
1546 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
1548 Use the new code_props interface for rule actions.
1549 * src/symlist.h (symbol_list): Replace action, action_location, and
1550 used members with a code_props action_props member.
1551 * src/reader.c (symbol_should_be_used, grammar_rule_check,
1552 grammar_midrule_action, grammar_current_rule_merge_set,
1553 grammar_current_rule_symbol_append, packgram): Update.
1554 * src/scan-code.h (translate_rule_action): Remove, no longer used.
1555 * src/scan-code.l (handle_action_dollar): Update.
1556 (translate_rule_action): Remove, no longer used.
1557 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
1559 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
1561 Use the new code_props interface in parse-gram.y.
1562 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
1563 Update all uses of translate_* functions to use the new code_props
1564 interface and to use gram_scanner_last_string_free and
1565 code_scanner_last_string_free where possible.
1566 (grammar_declaration): symbol_list_destructor_set and
1567 symbol_list_printer_set now perform the translation, so don't do it
1568 here. Use gram_scanner_last_string_free where possible.
1569 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
1570 translate_code): Remove, no longer used.
1571 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
1572 symbol_list_printer_set): Perform code translation here rather than
1573 depending on the caller to do so.
1575 * src/symlist.h (struct symbol_list): Correct some documentation typos.
1576 * src/scan-gram.h (gram_last_string): Remove declaration.
1577 * src/scan-gram.l (last_string): Declare it static.
1579 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
1581 Encapsulate code properties and related functionality for the various
1582 destructors, printers, and actions into a code_props structure and
1583 interface. This patch merely implements code_props in scan-code.h and
1584 scan-code.l. Future patches will rewrite other modules to use it.
1585 Discussed starting at
1586 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
1587 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
1588 consistently initialize const structs that have an empty location
1590 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
1591 to ensure consistency.
1592 * src/scan-code.h (code_props): New structure.
1593 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
1594 function, macro, and const global variable for initializing a
1595 code_props with no code.
1596 (code_props_plain_init, code_props_symbol_action_init,
1597 code_props_rule_action_init, code_props_translate_code): The rest of
1598 the new code_props functional interface. Among other things, the init
1599 functions set the code_props kind field so that
1600 code_props_translate_code will know whether to behave like
1601 translate_symbol_action, translate_rule_action, or translate_code.
1602 These old translate functions must remain until all other modules are
1603 updated to use the new code_props interface.
1604 (code_scanner_last_string_free): New function similar to
1605 gram_scanner_last_string_free.
1606 (code_scanner_free): Add documentation.
1607 * src/scan-code.l: Implement the new interface.
1608 (code_lex): Make it static, add a code_props* argument, and remove the
1610 (last_string): New static global similar to the one in scan-gram.l.
1611 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
1613 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
1614 code_props since Bison may one day use this information for destructors
1616 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
1617 (handle_action_dollar): Use symbol_list_n_get and set used flag
1618 directly since symbol_list_n_used_set is removed.
1619 (translate_action): Add a code_props* argument and remove the rule,
1620 action, and location arguments. Pass the code_props* on to code_lex.
1621 (translate_rule_action, translate_symbol_action, translate_code):
1622 Rewrite as wrappers around the new code_props interface.
1623 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
1624 it would eventually need to break the encapsulation of code_props.
1626 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
1628 * etc/.cvsignore: New.
1630 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
1632 Add maintainer-push-check to run maintainer-check using push parsing in
1633 place of pull parsing where available.
1634 * Makefile.am (maintainer-push-check): New.
1635 * data/bison.m4 (b4_use_push_for_pull_if): New.
1636 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
1637 appropriately based on their existing values.
1638 (yypush_parse): Don't print push-parser-specific diagnostics if push
1639 parsing is being used in place of pull parsing.
1640 * data/yacc.c: If push parsing should replace pull parsing, redirect to
1642 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
1643 variable, and insert b4_use_push_for_pull_flag into muscles.
1644 * tests/Makefile.am (maintainer-push-check): New.
1646 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
1648 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
1649 (whether successful or failed) so that yypush_parse can be invoked
1650 again to start a new parse using the same yypstate.
1651 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
1652 check multiple yypull_parse invocations on the same yypstate. For pull
1653 mode, extend to check multiple yyparse invocations.
1654 (Exploding the Stack Size with Alloca): Extend to try with
1656 (Exploding the Stack Size with Malloc): Likewise.
1658 * tests/calc.at (Simple LALR Calculator): Don't specify
1659 %skeleton "push.c" since %push-pull-parser implies that now.
1660 * tests/headers.at (export YYLTYPE): Don't check for the push
1661 declarations. Otherwise, this test case can't be used to see if push
1662 mode can truly emulate pull mode.
1663 * tests/input.at (Torturing the Scanner): Likewise.
1664 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
1665 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
1666 AT_YACC_IF, which now includes the case of push mode since %skeleton
1667 need not be used for push mode. This will be more intuitive once
1668 push.c is renamed to yacc.c.
1670 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
1672 For push mode, convert yyparse from a macro to a function, invoke yylex
1673 instead of passing a yylexp argument to yypull_parse, and don't
1674 generate yypull_parse or yyparse unless %push-pull-parser is declared.
1675 Discussed starting at
1676 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
1677 * data/bison.m4 (b4_pull_if): New.
1678 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
1679 * data/push.c: Improve M4 quoting a little.
1680 (b4_generate_macro_args, b4_parenthesize): Remove.
1681 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
1682 any time a pull parser is requested.
1683 Don't #define this as a wrapper around yypull_parse. Instead, when
1684 both push and pull are requested, make it a function that does that
1686 (yypull_parse): If there's a b4_prefix, #define this to
1687 b4_prefix[pull_parse] when both push and pull are requested.
1688 Don't define this as a function unless both push and pull are
1690 Remove the yylexp argument and hard-code yylex invocation instead.
1691 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
1693 * src/getargs.c (pull_parser): New global initialized to true.
1694 * getargs.h (pull_parser): extern it.
1695 * src/output.c (prepare): Insert pull_flag muscle.
1696 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
1697 (prologue_declaration): Set both push_parser and pull_parser = true for
1698 %push-pull-parser. Set push_parser = true and pull_parser = false for
1700 * src/scan-gram.l: Don't accept %push_parser as an alternative to
1701 %push-parser since there's no backward-compatibility concern here.
1702 Scan %push-pull-parser.
1703 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
1704 instead of %push-parser.
1705 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
1706 prototype it in the module that calls yyparse.
1707 * tests/input.at (Torturing the Scanner): Likewise.
1708 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
1710 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
1712 Update etc/bench.pl. Optimize push mode a little (the yyn change
1713 deserves most of the credit).
1714 * Makefile.am (SUBDIRS): Add etc subdirectory.
1715 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
1716 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
1717 yytoken, yyval, and yyloc declarations to...
1718 (yyparse or yypush_parse): ... here to improve performance. For
1719 yypush_parse invocations after the first, be sure to assign yyn its old
1721 (yypstate_new): Don't bother initializing the yyresult field since the
1722 initial value isn't used.
1723 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
1724 remove the #define that, in push mode, set it to yyps->NAME.
1725 * etc/Makefile.am: New.
1726 * etc/bench.pl: Remove and build it instead from...
1727 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
1728 "tests/bison" from the build directory by default rather than just
1729 invoking "bison" from $PATH.
1730 (calc_grammar): Update push parser code: don't declare yylval globally,
1731 don't define yyparse_wrapper, and don't #define yyparse.
1732 (bench_grammar): Update to check all working combinations of yacc.c,
1733 push.c, impure, pure, pull, and push.
1735 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
1737 For push mode, add pull wrappers around yypush_parse.
1738 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
1739 (yypull_parse): New function wrapping yypush_parse.
1740 (yyparse): New #define wrapping yypull_parse.
1741 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
1743 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
1744 prototype yylex in the module that calls yyparse, and don't prototype
1745 yyparse there. Otherwise, the yyparse expansion won't compile.
1746 * tests/input.at (Torturing the Scanner): Likewise.
1748 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
1750 Enable push parsers to operate in impure mode. Thus, %push-parser no
1751 longer implies %pure-parser. The point of this change is to move
1752 towards being able to test the push parser code by running the entire
1753 test suite as if %push-parser had been declared.
1754 * data/push.c (yypush_parse): For impure mode, remove the
1755 yypushed_char, yypushed_val, and yypushed_loc arguments.
1756 Instead, declare these as local variables initialized to the global
1757 yychar, yylval, and yylloc.
1758 For the first yypush_parse invocation only, restore the initial values
1759 of these global variables when it's time to read a token since they
1760 have been overwritten.
1761 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
1763 * tests/calc.at (Simple LALR(1) Calculator): Always declare
1764 %pure-parser along with %push-parser since this test case was designed
1765 for pure push parsers.
1766 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
1767 (AT_YACC_OR_PUSH_IF): New.
1768 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
1769 add a note that it's still wrong for some cases (as it has been for a
1771 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
1772 %push-parser no longer implies %pure-parser.
1774 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
1776 Remove some unnecessary differences between the pull parser code and
1777 the push parser code. This patch enables yynerrs in push mode.
1778 * data/push.c: Reformat M4 a little.
1779 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
1780 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
1781 because push mode is on. Instead, if pure mode is on, move yynerrs
1783 (b4_declare_parser_state_variables): ... here.
1784 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
1785 to yyps->NAME so it can be used in yypush_parse.
1786 (yypush_parse): Don't omit uses of yynerrs in push mode.
1788 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
1790 Fix bug such that the first pushed token's value and location are
1791 sometimes overwritten (sometimes by %initial-action) before being used.
1792 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
1793 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
1794 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
1795 more closely mimic the pull parser logic.
1796 Don't copy the pushed token to yychar, yylval, and yylloc until it's
1797 time to read a token, which is after any initialization of yylval and
1799 (gottoken): Rename label to...
1800 (yyread_pushed_token): ... for clarity and to avoid infringing on the
1803 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
1805 Rearrange initialization of the parser state variables so that the
1806 skeleton doesn't have to have a copy for pull mode and another for push
1807 mode. This patch also fixes at least a bug such that yylloc was not
1808 initialized (with b4_location_initial_line and
1809 b4_location_initial_column) upon calling yypush_parse. However, that
1810 initialization now overwrites the first token's location;
1811 %initial-action assigning @$ already did the same thing, and both bugs
1812 will be fixed in a later patch.
1813 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
1814 (b4_declare_parser_state_variables): Remove initialization of yytoken,
1815 yyss, yyvs, yyls, and yystacksize.
1816 (yypstate_new): Remove initialization of some yypstate fields: yystate,
1817 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
1819 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
1820 yyps->NAME so it can be used in yypush_parse.
1821 (yyparse or yypush_parse): For yypush_parse, don't print the
1822 "Starting parse" diagnostic for invocations after the first.
1823 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
1824 yypush_parse, only do it for the first invocation.
1825 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
1826 initialization to occur in yypush_parse but only on the first
1829 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
1831 * data/push.c: Add CPP guards around push parser declarations in both
1832 the header and the code file.
1833 In the code file, move the push parser declarations to the same place
1834 they appear in the header file.
1835 Clean up the M4 some, especially the inconsistent underquoting in
1836 some b4_c_function_def and b4_c_function_decl uses.
1838 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
1840 Encapsulate the push parser state variables into an M4 macro so the
1841 push skeleton doesn't have to list them again for pull mode's yyparse.
1842 For push mode, remove yypush_parse's local equivalents of these
1843 variables to eliminate unnecessary copying between the two sets at
1844 run-time. This patch also fixes at least a bug related to multiple
1845 %initial-action invocations in push mode.
1846 * data/push.c (b4_declare_parser_variables): Rename to...
1847 (b4_declare_scanner_communication_variables): ... this for clarity and
1849 (b4_declare_yyparse_variables): Remove and move its contents to the one
1850 spot where it was invoked.
1851 (b4_declare_parser_state_variables): New macro containing the parser
1852 state variables required by push mode.
1853 (struct yypstate): Replace all fields but yynew with
1854 b4_declare_parser_state_variables.
1855 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
1856 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
1857 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
1858 (yyparse or yypush_parse): For yyparse in pull mode, replace local
1859 parser state variable declarations with
1860 b4_declare_parser_state_variables.
1861 Don't initialize parser state variables when calling yypush_parse since
1862 yypstate_new already does that.
1863 Invoke the user's initial action only upon the first yypush_parse
1865 Remove all code that copies between the local parser state variables
1868 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
1870 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
1871 prevent a name collision in a future patch where these names will
1872 sometimes be #define'd.
1873 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
1874 since it no longer has the same name as the existing argument.
1875 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
1877 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
1878 and Joel E. Denny <jdenny@ces.clemson.edu>
1880 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
1881 that the argument is case-insensitive, and there's no `=' here.
1882 For the %skeleton entry, mention that %language is better.
1883 (Bison Options): Likewise for --language and --skeleton. Move the
1884 --skeleton entry so that the `Tuning the parser' section is sorted
1885 alphabetically on long options.
1886 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
1887 %language directive in detail here; cross-reference the %language
1888 documentation instead.
1889 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
1890 `%require "2.3b"' so that the example is always up-to-date.
1891 (Table of Symbols): Add entries for %language and %skeleton.
1892 * examples/extexi (normalize): Instead of replacing every %require
1893 argument with the current Bison version, just substitute for
1894 `@value{VERSION}'. This guarantees that we're testing what actually
1895 appears in the documentation.
1896 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
1897 rather than `@VERSION@'.
1899 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
1901 * NEWS: Reword the %language news a bit, and put it earlier.
1903 * src/getargs.c (skeleton_arg): Last arg is now location const *.
1904 Rewrite to simplify the logic.
1905 (language_argmatch): Likewise.
1906 (program_name): We now own this var.
1907 * src/getargs.h (struct bison_language): Use char[] rather than
1910 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
1912 * src/complain.c (program_name): Remove decl; no longer needed.
1913 * src/main.c (program_name): Remove; now belongs to getargs.
1915 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
1917 * NEWS: Document %language.
1919 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
1921 * data/c-skel.m4, data/c++-skel.m4: New files.
1922 * data/glr.c: Complain on push parsers.
1924 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
1926 (Decl Summary): Document %language and %skeleton.
1927 (Command line): Document -L.
1929 * examples/extexi: Rewrite %require directive.
1930 * examples/calc++/Makefile.am: Pass VERSION to extexi.
1932 * src/files.c (compute_exts_from_gc): Look in language structure
1934 (compute_file_name_parts): Check whether .tab should be added.
1935 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
1936 (language, skeleton_arg, language_argmatch): New.
1937 (long_options): Add --language.
1938 (getargs): Use skeleton_arg, add -L/--language.
1939 * src/getargs.h: Include location.h.
1940 (struct bison_language, language, skeleton_arg, language_argmatch): New.
1941 * src/output.c (prepare): Pick default skeleton from struct language.
1942 Don't dispatch C skeletons here.
1943 * src/parse-gram.y (PERCENT_LANGUAGE): New.
1944 (prologue_declaration): Add "%language" rule, use skeleton_arg.
1945 * src/scan-gram.l ("%language"): New rule.
1947 * tests/calc.at: Test %skeleton and %language.
1948 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
1949 (AT_GLR_IF): Look for %skeleton "glr.cc".
1950 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
1951 (AT_YACC_IF): Reject %language.
1953 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
1955 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
1956 since it wasn't used; only the typedef name 'semantic_type' is needed.
1957 Also, omit trailing white space.
1959 * bootstrap: Sync from coreutils.
1960 (gnulib_extra_files): Add build-aux/announce.gen.
1961 (slurp): Adjust .gitignore files like .cvsignore files.
1962 * build-aux/announce-gen: Remove from CVS, since bootstrap
1965 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
1967 Make %push-parser imply %pure-parser. This fixes several bugs; see
1968 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
1969 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
1971 * data/push.c: Don't bother testing b4_push_if when deciding whether
1972 to expand b4_declare_parser_variables globally.
1973 (yypush_parse): Likewise in here.
1975 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
1976 (yy_reduce_print): Reformat M4 for readability.
1978 2006-12-15 Bob Rossi <bob@brasko.net>
1979 and Joel Denny <jdenny@ces.clemson.edu>
1981 * data/push.c (yypstate): Add typedef, and update all uses of
1982 struct yypstate to just yypstate.
1983 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
1985 2006-12-14 Bob Rossi <bob@brasko.net>
1987 * data/push.c (yypush_parse): Declare prototype regardless of
1990 2006-12-14 Bob Rossi <bob@brasko.net>
1992 * data/push.c (yyparse): Remove the prototype and the #define when in
1995 2006-12-13 Bob Rossi <bob@brasko.net>
1997 * data/push.c (yypstate_init): Rename to...
1998 (yypstate_new): ... this and use b4_c_function_def.
1999 (yypstate_delete): New.
2000 (yypush_parse): Change parameters yynval and yynlloc to be const.
2001 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
2002 yypstate_delete functions.
2004 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
2006 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
2007 strange test case titles. Reported by Bob Rossi.
2009 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
2011 * TODO: Add pointer to Sylvain Schmitz's work on static detection
2012 of potential ambiguities in GLR grammers.
2014 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
2016 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
2017 `bison ', use m4_index instead of m4_substr since chopping up a string
2018 containing M4-special characters causes problems here.
2020 Fix a couple of bugs related to special characters in user-specified
2021 file names, and make it easier for skeletons to compute output file
2022 names with the same file name prefix as Bison-computed output file
2024 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
2025 b4_parser_file_name and b4_spec_defines_file instead of
2026 @output_parser_name@ and @output_header_name@, which are now redundant.
2027 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
2028 b4_parser_file_name, b4_spec_defines_file, and the new
2029 @basename(FILENAME@) instead of @output_parser_name@ and
2030 @output_header_name@, which inappropriately escaped the file names as
2032 * src/files.c (all_but_ext): Remove static qualifier.
2033 (compute_output_file_names): Move `free (all_but_ext)' to...
2034 (output_file_names_free): ... here since all_but_ext is needed later.
2035 * src/files.h (all_but_ext): Extern.
2036 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
2037 exactly what MUSCLE_INSERT_STRING used to do.
2038 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
2039 characters are escaped properly.
2040 * src/output.c (prepare): Define muscle file_name_all_but_ext as
2042 For pkgdatadir muscle, maintain previous functionality by using
2043 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
2044 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
2045 digraphs would never be expanded. Hopefully no one has M4-special
2046 characters in his Bison installation path.
2047 * src/scan-skel.l: Don't parse @output_header_name@ and
2048 @output_parser_name@ anymore since they're now redundant.
2049 In @output, use decode_at_digraphs.
2050 Parse a new @basename command that invokes last_component.
2051 (decode_at_digraphs): New.
2052 (BASE_QPUTS): Remove unused.
2053 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
2054 (Output file name): New tests.
2056 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
2058 Warn about output files that are generated by the skeletons and that
2059 conflict with other output files.
2060 * data/glr.c: Don't generate the header file here when glr.cc does.
2061 * src/files.c (file_names, file_names_count): New static globals.
2062 (compute_output_file_names): Invoke output_file_name_check for files
2063 not generated by the skeletons and remove existing checks.
2064 (output_file_name_check): New function that warns about conflicting
2066 (output_file_names_free): Free file_names.
2067 * src/files.h (output_file_name_check): Declare.
2068 * src/scan-skel.l: Invoke output_file_name_check for files generated by
2070 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
2071 (Conflicting output files): New tests.
2073 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2075 * doc/bison.texinfo: Fix a couple of typos.
2077 2006-12-08 Bob Rossi <bob@brasko.net>
2079 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
2081 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
2083 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
2084 (yypush_parse): Rename yypvars argument to yyps and remove redundant
2086 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
2087 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
2089 2006-12-07 Bob Rossi <bob@brasko.net>
2090 and Joel Denny <jdenny@ces.clemson.edu>
2092 * data/push.c (yypvarsinit): Change return type from void* to struct
2093 yypvars*. No longer cast to void* on return.
2094 (struct yypvars): Remove yylen since it need not be remembered between
2095 yypushparse invocations.
2096 (yypushparse): Don't copy between yylen and pv->yylen.
2098 2006-12-05 Bob Rossi <bob@brasko.net>
2100 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
2101 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
2102 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
2103 (struct yypvars): Remove b4_declare_parser_variables.
2104 (yypvarsinit): Remove init code for removed variables.
2105 (global scope): Do not declare b4_declare_parser_variables if
2107 (yypushparse): Add b4_declare_parser_variables.
2108 Init new local variables, and remove init code for removed
2111 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
2112 and yyparse for other modes.
2113 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
2114 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
2115 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
2116 (AT_PURE_LEX_IF): True if pure or push parser.
2118 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
2120 Document Yacc prologue alternatives and default %destructor's and
2121 %printer's as experimental. Don't mention Java yet. Discussed at
2122 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
2123 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
2124 (2.3a): Annotate this entry to say the old forms of these features were
2126 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
2127 Table of Symbols): Say they're experimental. Comment out any mention
2128 of Java (we'll want this back eventually).
2130 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
2132 Support a file name argument to %defines. Deprecate `=' in
2133 %file-prefix, %name-prefix, and %output. Discussed at
2134 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
2135 * NEWS (2.3a+): Mention.
2136 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
2137 form of %defines, and remove `=' from entries for %file-prefix,
2138 %name-prefix, and %output.
2139 * src/parse-gram.y (prologue_declaration): Implement.
2140 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
2141 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
2142 all but one occurrence of %name-prefix.
2143 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
2144 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
2145 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
2146 occurrence of each of %file-prefix and %output. Add check for %defines
2148 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
2149 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
2150 Remove the `=' from %output.
2152 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
2154 Don't escape $ in test case titles since Autoconf 2.61 now does that
2156 * tests/actions.at (Default %printer and %destructor are not for error
2157 or $undefined): Here.
2158 (Default %printer and %destructor are not for $accept): Here.
2159 * tests/input.at (Invalid $n and @n): Here.
2161 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
2163 Rename <!> to <>. Discussed starting at
2164 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
2165 * NEWS (2.3a+): Update.
2166 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
2168 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
2169 * src/scan-gram.l (INITIAL): Implement.
2170 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
2171 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
2173 * tests/actions.at (Default tagless %printer and %destructor,
2174 Default tagged and per-type %printer and %destructor,
2175 Default %printer and %destructor are not for error or $undefined,
2176 Default %printer and %destructor are not for $accept,
2177 Default %printer and %destructor for mid-rule values): Update.
2178 * tests/input.at (Default %printer and %destructor redeclared,
2179 Unused values with default %destructor): Update.
2181 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2183 Don't let %prec take a nonterminal.
2184 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
2186 * tests/input.at (%prec takes a token): New test checking that %prec
2187 won't take a nonterminal.
2189 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
2191 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
2192 it was double-quoted.
2193 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
2194 grammar is maintained with Bison's highest standards.
2195 * src/getargs.c: Fix some typos in Doxygen comments.
2197 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
2199 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
2200 later. Reported by Paul Eggert in
2201 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
2202 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
2203 * src/scan-code.l (translate_action): Don't bother invoking
2204 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
2205 (code_scanner_free): Instead of invoking
2206 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
2208 * src/scan-gram.l (gram_scanner_free): Likewise.
2209 * src/scan-skel.l (scan_skel): Likewise.
2211 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
2213 * src/files.c (tr): Change return type to void.
2214 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
2215 has been called previously for the same key.
2216 (muscle_find): Return storage instead of value so that
2217 --enable-gcc-warnings doesn't produce warnings that the return discards
2218 const. aver that the value and storage are the same since storage
2219 could potentially be NULL when value is not.
2220 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
2223 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
2225 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
2226 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
2227 us a slightly cleaner distribution, and also works.
2228 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
2231 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
2232 and Paul Eggert <eggert@cs.ucla.edu>
2234 Don't let Bison leak memory except when it complains.
2235 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
2236 (spec_defines_file, dir_prefix): Now char *, not const char *,
2237 since they are freed.
2238 * src/files.c: Likewise.
2239 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
2241 (tr): Now operates in-place. All uses changed.
2242 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
2244 (compute_file_name_parts, compute_output_file_names): Don't store
2245 read-only data in variables that will be freed.
2246 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
2247 src_extension, and header_extension.
2248 (output_file_names_free): New public function to free
2249 spec_verbose_file, spec_graph_file, spec_defines_file,
2250 parser_file_name, and dir_prefix.
2251 * src/getargs.c (getargs): Don't store read-only data in variables that
2253 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
2254 (which previously existed but was unused), and quotearg_free.
2255 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
2256 * src/muscle_tab.c: Likewise.
2257 (muscle_entry): Make the value char const *,
2258 and add a new storage member that is char * and can be freed.
2259 (muscle_entry_free): New private function.
2260 (muscle_init): Use it instead of free.
2261 (muscle_insert, muscle_grow): Update and use new storage member.
2262 (muscle_code_grow): Free the string passed to muscle_grow
2263 since it's not needed anymore.
2264 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
2265 add a new `char *code' member.
2266 ("{...}"): Declare semantic type as code.
2267 * src/scan-code.h (translate_rule_action):
2268 (translate_symbol_action, translate_code, translate_action): Return
2269 `char const *' rather than `char *' since external code should not free
2271 * src/scan-code.l: Likewise.
2272 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
2273 which is "{...}" in the parser.
2274 * tests/Makefile.am (maintainer-check-valgrind): Set
2275 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
2277 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
2279 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
2280 expecting a non-zero exit status sets --leak-check=summary and
2281 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
2282 this case, and we don't want to hear about it.
2284 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
2286 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
2287 instead of from the template, to simplify configuration a bit.
2288 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
2289 and m4/wint_t.m4, as they are needed with the latest gnulib.
2291 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
2293 Disable unset/unused mid-rule value warnings by default, and recognize
2294 --warnings=midrule-values to enable them. Discussed starting at
2295 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
2296 * NEWS (2.3a+): Mention.
2297 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
2298 warnings): Add entry for midrule-values subargument.
2299 * src/reader.c (symbol_should_be_used): Don't return true just because
2300 the value is a set/used mid-rule value unless
2301 --warnings=midrule-values was specified.
2302 * tests/input.at (Unused values, Unused values before symbol
2303 declarations): Run tests with and without --warnings=midrule-values.
2305 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
2306 than LIST_FREE directly.
2308 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
2310 Finish implementing --warnings=error, which should not be implied by
2311 --warnings=all (or by its synonyms -W and --warnings without
2313 * src/complain.c (set_warning_issued): New function to report that
2314 warnings are being treated as errors and to record an error if so.
2316 (warn_at, warn): ... here.
2317 * src/getargs.c (warnings_args, warnings_types): Reorder so that
2318 "error - warnings are errors" does not appear above "all - all of the
2320 (getargs): For -W and --warnings without subarguments, don't let
2321 FLAGS_ARGMATCH set warnings_error in warnings_flag.
2322 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
2324 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
2326 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
2327 empty subargument list. For example: `bison --warnings= parser.y'.
2329 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
2331 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
2332 the parser header file so that gcc doesn't warn.
2334 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
2336 Split the default %destructor/%printer into two kinds: <*> and <!>.
2337 Discussed starting at
2338 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
2339 * NEWS (2.3a+): Mention.
2340 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
2341 previous change today related to mid-rules.
2342 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
2343 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
2344 (TYPE_TAG_ANY): Add as <*>.
2345 (TYPE_TAG_NONE): Add as <!>.
2346 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
2348 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
2349 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
2350 * src/symlist.c (symbol_list_default_new): Split into tagged and
2352 (symbol_list_destructor_set, symbol_list_printer_set): Split
2353 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
2354 SYMLIST_DEFAULT_TAGLESS.
2355 * src/symlist.h: Update symbol_list_default*_new prototypes.
2356 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
2357 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
2358 * src/symtab.c (default_destructor, default_destructor_location,
2359 default_printer, default_printer_location): Split each into tagged and
2361 (symbol_destructor_get, symbol_destructor_location_get,
2362 symbol_printer_get, symbol_printer_location_get): Implement tagged
2363 default and tagless default cases.
2364 (default_destructor_set, default_printer_set): Split each into tagged
2365 and tagless versions.
2366 * src/symtab.h: Update prototypes.
2367 * tests/actions.at (Default %printer and %destructor): Rename to...
2368 (Default tagless %printer and %destructor): ... this, and extend.
2369 (Per-type %printer and %destructor): Rename to...
2370 (Default tagged and per-type %printer and %destructor): ... this, and
2372 (Default %printer and %destructor for user-defined end token): Extend.
2373 (Default %printer and %destructor are not for error or $undefined):
2375 (Default %printer and %destructor are not for $accept): Update.
2376 (Default %printer and %destructor for mid-rule values): Extend.
2377 * tests/input.at (Default %printer and %destructor redeclared): Extend.
2378 (Unused values with default %destructor): Extend.
2380 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
2382 Don't apply the default %destructor/%printer to an unreferenced midrule
2384 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
2385 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
2386 like $@n instead of just @n so that the default %destructor/%printer
2387 logic doesn't see them as user-defined symbols.
2388 (symbol_is_dummy): Check for both forms of the name.
2389 * src/reader.c (packgram): Remove the `$' from each midrule symbol
2390 name for which the midrule value is referenced in any action.
2391 * tests/actions.at (Default %printer and %destructor for mid-rule
2393 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
2394 for change to dummy symbol names.
2396 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
2398 Warn about unset midrule $$ if the corresponding $n is used.
2399 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
2401 (packgram): Before invoking grammar_rule_check on any rule, make sure
2402 all actions have already been scanned in order to set `used' flags.
2403 Otherwise, checking that a midrule's $$ is set will not always work
2404 properly because the midrule check must forward-reference the midrule's
2406 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
2409 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
2411 More improvements to the documentation of the prologue alternatives:
2412 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
2414 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
2415 some text to clarify the relative importance of the new directives and
2416 to show how these directives may be viewed as code labels.
2418 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
2420 Similar to the recently removed %before-header, add %code-top as the
2421 alternative to the pre-prologue. Mentioned at
2422 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
2423 Also, let the prologue alternatives appear in the grammar section.
2424 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
2425 (prologue_declaration): Move the existing prologue alternatives to...
2426 (grammar_declaration): ... here and add %code-top.
2427 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
2429 Clean up and extend documentation for the prologue alternatives.
2430 * NEWS (2.3a+): Describe prologue alternatives.
2431 * doc/bison.texinfo (Prologue): Move discussion of prologue
2433 (Prologue Alternatives): ... this new section, and extend it to discuss
2434 all 4 directives in detail.
2435 (Table of Symbols): Clean up discussion of prologue alternatives and
2438 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2440 DJGPP specific issues.
2442 * djgpp/config.bat: config.hin has been moved to lib. Adjust
2443 config.bat accordingly.
2444 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
2445 * djgpp/config.site: Likewise.
2447 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
2449 Replace %*-header with %provides, %requires, %code. See discussion at
2450 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
2452 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
2453 (b4_user_start_header): Remove.
2454 * data/glr.c: Use new macros instead of b4_*start_header
2456 * data/glr.cc: Likewise.
2457 * data/lalr1.cc: Likewise.
2458 * data/push.c: Likewise.
2459 * data/yacc.c: Likewise.
2461 * doc/bison.texinfo: Remove %before-header, rename
2462 %{start,end,after}-header to %requires, %provides, %code.
2464 * src/parse-gram.y: Likewise (also rename token names accordingly).
2465 * src/scan-gram.l: Likewise.
2466 * tests/actions.at: Likewise.
2468 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
2470 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
2471 Problem reported by Joel E. Denny.
2473 2006-10-14 Jim Meyering <jim@meyering.net>
2475 (Sync from coreutils.)
2476 Work also when the working directory (with e.g. coreutils sources)
2477 is version controlled with git, rather than CVS.
2478 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
2480 In messages and comments, say e.g., "checked-out sources",
2481 rather than "CVS sources".
2482 (version_controlled_file): New function. Work for git as well as
2483 for CVS. Don't use grep's -q option.
2484 (slurp): Call it here, in place of CVS-specific code.
2486 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
2488 Fix testsuite for ./configure --enable-gcc-warnings:
2489 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
2490 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
2491 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
2492 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
2493 * test/regression.at (Diagnostic that expects two alternatives):
2496 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
2498 * bootstrap.conf (gnulib_modules): Add config-h.
2499 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
2500 worry about HAVE_CONFIG_H.
2501 * lib/abitset.c: Likewise.
2502 * lib/bitset.c: Likewise.
2503 * lib/bitset_stats.c: Likewise.
2504 * lib/bitsetv-print.c: Likewise.
2505 * lib/bitsetv.c: Likewise.
2506 * lib/ebitset.c: Likewise.
2507 * lib/get-errno.c: Likewise.
2508 * lib/lbitset.c: Likewise.
2509 * lib/subpipe.c: Likewise.
2510 * lib/timevar.c: Likewise.
2511 * lib/vbitset.c: Likewise.
2512 * lib/bitset.c: Include "bitset.h" first, to test interface.
2513 * lib/bitset_stats.c: Include "bitset_stats.h" first.
2514 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
2515 * lib/bitsetv.c: Include "bitsetv.h" first.
2516 * lib/get-errno.c: Include "get-errno.h" first.
2517 * m4/.cvsignore: Add config-h.m4.
2518 * tests/actions.at (Default %printer and %destructor for ...):
2519 Adjust expected line numbers in output to reflect removal of #if
2520 HAVE_CONFIG_H lines.
2521 * tests/glr-regression.at (Missed %merge type warnings when ...):
2523 * tests/regression.at (Braced code in declaration in rules section):
2525 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
2526 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
2527 Include <config.h> unconditionally.
2529 * bootstrap: Sync from coreutils, as follows:
2531 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
2533 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
2534 variable was sometimes used without being initialized. This
2535 messed up the installation of the INSTALL file in some cases.
2537 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
2539 * bootstrap (usage, main program, symlink_to_gnulib): Add option
2540 --copy. Inspired by a suggestion from Bruno Haible.
2542 2006-10-03 Jim Meyering <jim@meyering.net>
2544 * bootstrap: Undo last change to this file, since now gnulib-tool
2545 sticks with the automake default in generating dependencies.
2547 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
2549 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
2550 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
2552 * doc/bison.1: Add copyright notice.
2554 * data/glr.c: Don't include <stdarg.h>; not used.
2556 * NEWS: The -g and --graph options now output graphs in Graphviz
2557 DOT format, not VCG format.
2558 * doc/bison.1: Likewise.
2559 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
2560 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
2562 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
2563 * TODO: Remove Graphviz entry.
2564 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
2565 remove vcg.c, vcg.h, vcg_defaults.h.
2566 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
2567 * src/graphviz.c, src/graphviz.h: New files.
2568 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
2569 * src/files.h: Make comment more generic.
2570 * src/main.c (main): Likewise.
2571 * src/print_graph.h: Likewise.
2572 * src/getargs.c (usage): Make usage description more generic.
2573 * src/print_graph.c: Include graphviz.h rather than vcg.h.
2574 (static_graph, fgraph): Remove. All uses changed to pass
2575 arguments instead of sharing a static var.
2576 (print_core, print_actions, print_state, print_graph):
2577 Output graphviz format rather than VCG format.
2578 * tests/.cvsignore: Remove *.vcg; add *.dot.
2579 * tests/output.at: Expect *.dot files, not *.vcg files.
2581 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
2582 accommodates the 2006-10-08 change.
2584 2006-10-11 Bob Rossi <bob@brasko.net>
2586 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
2587 (b4_yyssa, b4_yyerror_range): New macros.
2588 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
2589 (yypvarsinit): Remove init of removed fields.
2590 (yypushparse): Remove use of removed fields; use new macros instead.
2592 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
2594 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
2595 in a push parser. Reindent slightly to match yacc.c better.
2597 2006-10-11 Bob Rossi <bob@brasko.net>
2599 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
2601 (yypvarsinit, yypushparse): Remove init of removed fields.
2602 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
2604 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
2606 * THANKS: Add Paolo Bonzini and Bob Rossi.
2608 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
2610 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
2611 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
2612 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
2613 b4_define_user_cde and uses): Remove.
2614 (b4_comment, b4_prefix, b4_sync_start): New.
2615 * data/bison.m4: New file, with most of the content removed from c.m4.
2616 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
2617 * src/output.c (output_skeleton): Pass bison.m4.
2618 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
2621 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
2623 Fix test failure reported by Tom Lane in
2624 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
2625 and try to make such failures easier to catch in the future.
2626 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
2627 that's now the caller's responsibility.
2628 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
2629 Set yychar = YYEOF if it's negative.
2630 * tests/actions.at (yylex): Abort if asked to read past EOF.
2631 * tests/conflicts.at (yylex): Likewise.
2632 * tests/cxx-type.at (yylex): Likewise.
2633 * tests/glr-regression.at (yylex): Likewise.
2634 * tests/input.at (yylex): Likewise.
2635 * tests/regression.at (yylex): Likewise.
2636 * tests/torture.at (yylex): Likewise.
2638 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
2640 Fix problems with translating English-language diagnostics.
2641 * bootstrap: Fix bug introduced in recent bootstrap changes, with
2642 respect to bison-runtime pot generation. The YY_ stuff
2643 wasn't being captured.
2644 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
2645 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
2646 * runtime-po/POTFILES.in: Add data/push.c.
2648 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
2650 Merge bootstrap changes from coreutils.
2652 2006-09-28 Jim Meyering <jim@meyering.net>
2654 Automatically generated dependencies are important even
2655 when all of the sources in a directory come from gnulib.
2656 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
2657 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
2659 2006-09-23 Jim Meyering <jim@meyering.net>
2661 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
2663 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
2665 * bootstrap: Add support for --force.
2666 (usage): New function. Describe usage less tersely.
2667 (CVS_only_file): New var.
2669 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
2671 * data/push.c (YYPUSH_MORE): Make it an enum instead.
2672 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
2673 Adjust white space and comments to match GNU style better.
2675 2006-09-20 Bob Rossi <bob@brasko.net>
2677 * data/push.c (yyresult_get): Remove function.
2678 (YYPUSH_MORE): Add #define.
2679 (yypushparse): Modify return value.
2681 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
2683 * stamp-h.in: Remove; no longer needed.
2684 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
2685 Remove config.h, config.hin, intl (no longer created).
2686 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
2689 Sync bootstrap from coreutils, as follows:
2691 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
2693 * bootstrap (symlink_to_gnulib): New function.
2694 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
2695 to copies-of-gnulib.
2696 (cp_mark_as_generated, slurp, gnulib_files):
2697 Avoid making a copy if it's the same as the old version.
2698 (gnulib_files): Add support for this variable (used by Bison).
2700 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
2702 * src/getargs.c (usage): Rework to use conventions similar to
2703 coreutils, to make translation a bit easier and the code a bit
2704 smaller. Problem reported by Tim Van Holder.
2706 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
2708 Use some of gnulib's new modules, taken from coreutils.
2710 * bootstrap: Sync from coreutils, except add support for gnulib_files.
2711 * bootstrap.conf: New file.
2712 (gnulib_modules): Add configmake, inttypes, unistd.
2713 (XGETTEXT_OPTIONS): Add complain, complain_at,
2714 fatal, fatal_at, warn, warn_at, unexpected_end.
2715 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
2716 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
2718 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
2720 (GNULIB_AUTOCONF_SNIPPET): Remove.
2721 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
2723 * lib/.cvsignore: Add inttypes_.h.
2724 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
2725 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
2726 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
2727 no-longer-necessary initializations.
2728 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
2729 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
2730 use the unistd module.
2731 * src/system.h: Likewise.
2732 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
2733 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
2734 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
2735 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
2736 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
2737 * src/system.h: Include inttypes.h unconditionally, now that we
2738 use the inttypes module. Don't bother to include stdint.h, since
2739 inttypes.h now does that for us.
2740 (LOCALEDIR): Remove, now that we use the configmake module.
2741 * src/getargs.c: Include configmake.h.
2742 * src/main.c: Likewise.
2743 * src/output.c: Likewise.
2744 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
2745 not from $abs_top_builddir, since config.h moved.
2748 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
2749 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
2751 * src/parse-gram.y (symbol_declaration): Don't put statements
2752 before declarations; it's not portable to C89.
2753 * src/scan-code.l (handle_action_at): Likewise.
2755 * src/scan-code.l: Always initialize braces_level; the old code
2756 left it uninitialized and therefore had undefined behavior.
2758 Don't attempt to redefine 'assert', since it runs afoul of
2759 systems where standard headers (mistakenly) include <assert.h>.
2760 Instead, define and use our own alternative, called 'aver'.
2761 * src/reader.c: Don't include assert.h, since we no longer
2763 * src/scan-code.l: Likewise.
2764 * src/system.h (assert): Remove, replacing with....
2765 (aver): New function, taking a bool arg. All uses changed.
2766 * src/tables.c (pack_vector): Ensure that aver arg is bool,
2767 not merely an integer.
2769 2006-09-15 Bob Rossi <bob@brasko.net>
2771 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
2772 * data/c.m4 (YYPUSH): New.
2773 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
2774 * src/getargs.c (push_parser): New var.
2775 * src/getargs.h (push_parser): New declaration.
2776 * src/output.c (prepare): Add macro insertion of `push_flag'.
2777 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
2778 (prologue_declaration): Parse %push-parser.
2779 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
2780 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
2781 list of removed lines from the traces observed.
2782 (AT_CHECK_CALC_LALR): Added push parser tests.
2784 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
2786 * NEWS: Version 2.3a.
2787 * configure.ac (AC_INIT): Likewise.
2789 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
2790 "#define YYSTYPE int" that caused "make maintainer-check" to fail
2791 due to header ordering dependencies. I don't know why the #define
2794 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
2795 runtime cost when YYDEBUG is not defined, and so that some tests
2796 that used to fail now work. Problem and initial suggestion by
2798 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
2799 * data/glr.cc (b4_parser_class_name):
2800 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
2801 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
2802 (yydebug_) [YYDEBUG]: New member.
2803 (yycdebug_): Now defined only if YYDEBUG.
2804 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
2805 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
2806 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
2808 (debug_stream, set_debug_stream, debug_level, set_debug_level):
2809 Define only if YYDEBUG.
2810 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
2812 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
2813 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
2814 AT_CHECK_CALC_GLR_CC that are working now.
2816 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
2818 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
2819 We don't need them in glr.cc, and glr.c defines them.
2820 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
2821 assumes that defining it to anything is the same as defining
2822 it to 1. Problem reported by Paolo Bonzini.
2824 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
2826 * data/c.m4 (b4_null, b4_case): Define.
2827 * src/output.c (prepare_symbols): Use b4_null.
2828 (user_actions_output): Use b4_case.
2830 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
2832 * data/glr.c (b4_shared_declarations): Put start-header first,
2833 before any #includes that we generate, so that feature-test
2834 macros work. Problem reported by Michael Deutschmann in
2835 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
2836 * data/lalr1.cc: Likewise.
2837 * doc/bison.texinfo (Prologue): Document that feature-test macros
2838 should be defined before any Bison declarations.
2839 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
2840 that depend on location.hh after, not before, Bison decls, since
2841 we now include location.hh after the first user prologue.
2843 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
2844 Sander Brandenburg in
2845 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
2846 Also, fix minor white space and comment issues.
2847 (Prologue): Mention that it's better to define feature-test macros
2848 before Bison declarations. Problem reported by Michael Deutschmann.
2850 * README-cvs: Fix typo: "&" should be "&&". Problem reported
2852 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
2853 This adjusts to recent gnulib changes.
2855 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
2857 Finish implementation of per-type %destructor/%printer. Discussed
2859 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
2861 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
2862 * NEWS (2.3+): Add a description of this feature to the default
2863 %destructor/%printer description.
2864 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
2865 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
2866 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
2867 list node contains a semantic type.
2868 * src/symtab.c, src/symtab.h: Extend with a table that associates
2869 semantic types with their %destructor's and %printer's.
2870 (semantic_type_from_uniqstr, semantic_type_get,
2871 semantic_type_destructor_set, semantic_type_printer_set): New functions
2872 composing the public interface of that table.
2873 (symbol_destructor_get, symbol_destructor_location_get,
2874 symbol_printer_get, symbol_printer_location_get): If there's no
2875 per-symbol %destructor/%printer, look up the per-type before trying
2877 * tests/actions.at (Per-type %printer and %destructor): New test case.
2878 * tests/input.at (Default %printer and %destructor redeclared):
2879 Extend to check that multiple occurrences of %symbol-default in a
2880 single %destructor/%printer declaration is an error.
2881 (Per-type %printer and %destructor redeclared, Unused values with
2882 per-type %destructor): New test cases.
2884 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
2886 Require default %destructor/%printer to be declared using
2887 %symbol-default instead of an empty symbol list, and start working on
2888 new per-type %destructor/%printer. Discussed at
2889 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
2890 * NEWS (2.3+): Add %symbol-default to example.
2891 * bison.texinfo (Freeing Discarded Symbols): Likewise.
2892 (Table of Symbols): Add entry for %symbol-default.
2893 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
2894 (generic_symlist, generic_symlist_item): New nonterminals for creating
2895 a list in which each item is a symbol, semantic type, or
2897 (grammar_declaration): Use generic_symlist in %destructor and %printer
2898 declarations instead of symbols.1 or an empty list.
2899 (symbol_declaration, precedence_declaration, symbols.1): Update actions
2900 for changes to symbol_list.
2901 * src/reader.c: Update for changes to symbol_list.
2902 * src/scan-code.l: Likewise.
2903 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
2904 * src/symlist.c, src/symlist.h: Extend such that a list node may
2905 represent a semantic type or a %symbol-default in addition to just an
2906 ordinary symbol. Add switched functions for setting %destructor's and
2908 * tests/actions.at, tests/input.at: Add %symbol-default to all default
2909 %destructor/%printer declarations.
2911 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
2913 Whether the default %destructor/%printer applies to a particular symbol
2914 isn't a question of whether the user *declares* that symbol (in %token,
2915 for example). It's a question of whether the user by any means
2916 *defines* the symbol at all (by simply using a char token, for
2917 example). $end is defined by Bison whereas any other token with token
2918 number 0 is defined by the user. The error token is always defined by
2919 Bison regardless of whether the user declares it with %token, but we
2920 may one day let the user define error as a nonterminal instead.
2921 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
2922 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
2923 the meaning of "user-defined".
2924 * tests/actions.at (Default %printer and %destructor for user-declared
2925 end token): Rename to...
2926 (Default %printer and %destructor for user-defined end token): ...
2929 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
2930 computation of whether to apply the default, don't maintain a list of
2931 every Bison-defined symbol. Instead, just check for a first character
2932 of '$', which a user symbol cannot have, and check for the error token.
2934 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
2936 Don't apply the default %destructor or %printer to the error token,
2937 $undefined, or $accept. This change fits the general rule that the
2938 default %destructor and %printer are only for user-declared symbols,
2939 and it solves several difficulties that are described in the new test
2941 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
2942 * tests/actions.at (Default %printer and %destructor are not for error
2943 or $undefined, Default %printer and %destructor are not for $accept):
2946 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
2948 Allow %start after the first rule.
2949 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
2950 when parsing the first rule.
2951 (check_and_convert_grammar): Search for it here after all grammar
2952 declarations have been parsed. Skip midrules, which have dummy LHS
2954 * src/symtab.c (symbol_is_dummy): New function.
2955 * src/symtab.h (symbol_is_dummy): Declare it.
2956 * tests/input.at (%start after first rule): New test.
2958 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
2960 Redo some of the previous commit: add back the ability to use
2961 non-aliased/undeclared string literals since it might be useful to
2962 those declaring %token-table.
2963 * src/reader.c (check_and_convert_grammar): Undo changes in previous
2964 commit: don't worry about complaints from symbols_pack.
2965 * src/symtab.c (symbol_new, symbol_class_set,
2966 symbol_check_alias_consistency): Undo changes in previous commit: count
2967 each string literal as a new symbol and token, assign it a symbol
2968 number, and don't complain about non-aliased string literals.
2969 (symbols_pack): Since symbol_make_alias still does not decrement symbol
2970 and token counts but does still set aliased tokens to the same number,
2971 symbol_pack_processor now leaves empty slots in the symbols array.
2973 * tests/regression.at (Undeclared string literal): Remove test case
2974 added in previous commit since non-aliased string literals are allowed
2976 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
2977 remove unnecessary string literal declarations.
2978 * tests/sets.at (Firsts): Likewise.
2980 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
2982 Don't allow an undeclared string literal, but allow a string literal to
2983 be used before its declaration.
2984 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
2985 symbols_pack complained.
2986 * src/symtab.c (symbol_new): Don't count a string literal as a new
2988 (symbol_class_set): Don't count a string literal as a new token, and
2989 don't assign it a symbol number since symbol_make_alias does that.
2990 (symbol_make_alias): It's not necessary to decrement the symbol and
2991 token counts anymore. Don't assume that an alias declaration occurs
2992 before any uses of the identifier or string, and thus don't assert that
2993 one of them has the highest symbol number so far.
2994 (symbol_check_alias_consistency): Complain if there's a string literal
2995 that wasn't declared as an alias.
2996 (symbols_pack): Bail if symbol_check_alias_consistency failed since
2997 symbol_pack asserts that every token has been assigned a symbol number
2998 although undeclared string literals have not.
2999 * tests/regression.at (String alias declared after use, Undeclared
3000 string literal): New test cases.
3001 (Characters Escapes, Web2c Actions): Declare string literals as
3003 * tests/sets.at (Firsts): Likewise.
3005 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
3007 In the grammar scanner, STRING_FINISH unclosed constructs and return
3008 them to the parser in order to improve error messages.
3009 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
3010 SC_BRACED_CODE, SC_PROLOGUE): Implement.
3011 * tests/input.at (Unclosed constructs): New test case.
3012 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
3015 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
3018 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
3020 Handle string aliases for character tokens correctly.
3021 * src/symtab.c (symbol_user_token_number_set): If the token has an
3022 alias, check and set its alias's user token number instead of its own,
3023 which is set to indicate the alias. Previously, every occurrence of
3024 the character token in the grammar overwrote that alias indicator with
3026 * tests/input.at (String aliases for character tokens): New test.
3028 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
3030 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
3032 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
3034 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
3035 to prevent failures when building on older platforms.
3036 Check for autopoint failure.
3037 Set XGETTEXT_OPTIONS to values that check for C format strings,
3038 so that translators are warned about them (this also helps
3039 prevent core dumps).
3041 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
3042 function, since it simplifies our code a bit.
3044 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
3045 rather than -W, so we don't get bogus warnings about sign comparisons.
3046 Add -Wpointer-arith, since that warning is useful (it reports code
3047 that does not conform to C89 and that some compilers reject).
3048 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
3049 since it's no longer needed.
3051 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
3053 Clean up scanners a bit.
3054 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
3055 definitions so gcc won't warn when obstack_for_string is unused.
3056 * src/scan-code.l: config.h and system.h are already #include'd by
3057 scan-code-c.c, so get rid of them here.
3058 * src/scan-gram.l: Likewise.
3059 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
3060 definitions rather than duplicating the rest of it.
3061 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
3063 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
3065 Suppress signed/unsigned comparison warnings for yycheck.
3066 * data/c.m4 (b4_safest_int_type): New macro.
3067 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
3068 a signed int type, cast it to b4_safest_int_type first.
3069 * data/yacc.c: Likewise.
3070 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
3073 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
3075 * doc/bison.texinfo: Fix some typos.
3077 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
3079 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
3080 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
3082 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
3083 the latest gnulib does this a different way.
3084 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
3085 translation was patched, so stop omitting it.
3087 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
3089 Enable declaration of default %printer/%destructor. Make the parser
3090 use these for all user-declared grammar symbols for which the user does
3091 not declare a specific %printer/%destructor. Thus, the parser uses it
3092 for token 0 if the user declares it but not if Bison generates it as
3093 $end. Discussed starting at
3094 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
3095 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
3097 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
3098 * NEWS (2.3+): Mention.
3099 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
3100 declare a %destructor for a mid-rule's semantic value. It's just
3101 impossible to declare one specific to it.
3102 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
3103 code. Describe default %destructor form.
3104 * src/parse-gram.y (grammar_declaration): Parse default
3105 %printer/%destructor declarations.
3106 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
3107 and symbol_destructor_location_get rather than accessing the destructor
3108 and destructor_location members of struct symbol.
3109 (symbol_printers_output): Likewise but for %printer's.
3110 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
3112 * src/symtab.c (default_destructor, default_destructor_location,
3113 default_printer, default_printer_location): New static global
3114 variables to record the default %destructor and %printer.
3115 (symbol_destructor_get, symbol_destructor_location_get,
3116 symbol_printer_get, symbol_printer_location_get): New functions to
3117 compute the appropriate %destructor and %printer for a symbol.
3118 (default_destructor_set, default_printer_set): New functions to set the
3119 default %destructor and %printer.
3120 * src/symtab.h: Prototype all those new functions.
3121 * tests/actions.at (Default %printer and %destructor): New test to
3122 check that the right %printer and %destructor are called, that they're
3123 not called for $end, and that $$ and @$ work correctly.
3124 (Default %printer and %destructor for user-declared end token): New
3125 test to check that the default %printer and %destructor are called for
3126 a user-declared end token.
3127 * tests/input.at (Default %printer and %destructor redeclared, Unused
3128 values with default %destructor): New tests to check related grammar
3129 warnings and errors.
3131 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
3133 Clean up handling of %destructor for the end token (token 0).
3134 Discussed starting at
3135 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
3137 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
3139 Make the skeletons consistent in how they pop the end token and invoke
3141 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
3142 state, which has token number 0, since this would invoke the
3143 %destructor for the end token.
3144 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
3145 until after shifting the end token, or else it won't be popped.
3146 * data/yacc.c (yyparse): Likewise.
3148 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
3149 it's the end token. Upon termination, destroy an unshifted lookahead
3150 even when it's the end token.
3151 * data/lalr1.cc (yy::parser::parse): Likewise.
3152 * data/yacc.c (yyparse): Likewise.
3154 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
3155 value warnings for the end token when the user gives the end token a
3158 * tests/actions.at (Printers and Destructors): Test all the above.
3160 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
3162 Update to latest gnulib and gettext versions.
3163 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
3165 (gnulib_files): Add m4/warning.m4. Don't worry about files
3166 overwritten by autopoint.
3167 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
3168 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
3170 Don't use autoreconf; instead, invoke autopoint etc. by hand,
3171 so that we can remove the intl files at a better time.
3172 (intl_files_to_remove): Remove aclocal.m4, since it gets
3173 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
3174 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
3175 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
3176 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
3177 Remove datarootdir hack; no longer needed.
3178 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
3179 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
3180 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
3182 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
3183 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
3185 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
3187 * bootstrap: Adjust to today's change to gnulib-tool by invoking
3188 it with --assume-autoconf='latest-stable'.
3190 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
3192 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
3193 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
3195 * src/muscle_tab.h (muscle_grow): Replace the header comments with
3196 those from muscle_tab.c since the old ones are misleading.
3198 2006-07-13 Akim Demaille <akim@epita.fr>
3200 Support %define "KEY" {VALUE}.
3201 * src/scan-code.h, src/scan-code.l (translate_action)
3202 (translate_rule_action, translate_symbol_action, translate_code):
3203 Return char *, not const char *.
3204 * src/parse-gram.y (declaration): Rename as...
3205 (prologue_declaration): this.
3206 (string_content): Remove this nonterminal, use STRING.
3207 (braceless, content, content.opt): New nonterminal.
3209 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
3211 * src/scan-gram.l (getargs.h): Don't include it.
3213 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
3215 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
3216 rather than a for-loop that declares a local bool variable. This
3217 should work around a compatibility problem with a Cray x1e C++
3218 compiler reported by Hung Nguyen in
3219 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
3220 The for-loop was introduced in the 2004-11-17 change but I don't
3221 know why it was needed.
3223 2006-07-12 Akim Demaille <akim@epita.fr>
3225 * data/c.m4: Comment changes.
3227 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
3229 * src/complain.c (error_message, ERROR_MESSAGE): New.
3231 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
3232 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
3234 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
3236 * NEWS: Instead of %union, you can define and use your own union type
3237 YYSTYPE if your grammar contains at least one <type> tag.
3238 Your YYSTYPE need not be a macro; it can be a typedef.
3239 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
3240 (Union Decl, Decl Summary): Document this.
3241 * data/glr.c (YYSTYPE): Implement this.
3242 * data/glr.cc (YYSTYPE): Likewise.
3243 * data/lalr1.cc (YYSTYPE): Likewise.
3244 * data/yacc.c (YYSTYPE): Likewise.
3245 * src/output.c (prepare): Output tag_seen_flag.
3246 * src/parse-gram.y (declaration, grammar_declaration):
3247 Use 'union_seen' rather than 'typed' to determine whether
3248 %union has been seen, since grammars can now be typed without
3250 (symbol_declaration, type.opt, symbol_def):
3251 Keep track of whether a tag has been seen.
3252 * src/reader.c (union_seen, tag_seen): New vars.
3254 * src/reader.h (union_seen, tag_seen, typed): Likewise.
3255 * src/scan-code.l (untyped_var_seen): New variable.
3256 (handle_action_dollar): Adjust to above changes.
3257 (handle_action_dollar, handle_action_at):
3258 Improve overflow checking for outlandish numbers.
3259 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
3260 avoid new diagnostics generated by above changes.
3261 * tests/regression.at (YYSTYPE typedef): Add test to check
3262 for type tags without %union.
3264 * src/symlist.c (symbol_list_length): Return int, not unsigned
3265 int, since callers expect int. This may need to get revisited
3266 once we have proper integer overflow checking.
3268 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
3269 object is now static.
3271 * src/getargs.c (flags_argmatch): Return void, not int,
3272 to pacify ./configure --enable-gcc-warnings.
3274 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
3275 since last_string is already defined to FLEX_PREFIX (last_string).
3277 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
3279 Implement --warnings/-W.
3280 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
3282 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
3284 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
3285 (warnings_args, warnings_types): New.
3286 (getargs, short_options, long_options): Accept -W/--warnings.
3287 Sort the options by alphabetical order, upper case letter right
3288 before its lower case.
3290 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
3292 Change %merge result type clash warnings to errors. Discussed at
3293 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
3294 * src/reader.c (record_merge_function_type): Use complain_at.
3295 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
3296 declared later): Update test case results.
3298 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
3300 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
3301 to be in alphabetical order.
3302 (trace_args): Spelling fixes.
3304 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
3306 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
3307 so they don't collide with user-defined macros.
3308 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
3309 this was never guaranteed, and now that we're using gnulib stdint,
3310 which defines int_fast16_t to long int, the problem is exposed.
3312 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
3314 * data/c.m4 (b4_basename): Simplify a bit, since we don't
3315 need the full POSIX semantics (and weren't implementing them
3318 Adjust to Autoconf 2.60 and today's gnulib.
3319 * bootstrap (gnulib_modules): Add stdint.
3320 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
3321 no longer copies it.
3322 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
3323 since stdint needs the former and wcwidth (which is now required
3324 by mbswidth) needs the latter.
3325 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
3326 work around a compatibility glitch between gettext 0.14.6 and
3328 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
3329 Do not check for uintptr_t, since new stdint module does the right
3331 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
3332 Add stdint.h, stdint_.h, wcwidth.h.
3333 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
3334 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
3335 stdint.m4, wchar_t.m4, wcwidth.m4.
3336 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
3337 usual order for ../lib/*.h files.
3338 (file_name_split): Use last_component, not base_name, to adjust
3340 * src/parse-gram.h: Include <strverscmp.h> in the usual order
3341 for ../lib/*.h files.
3342 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
3343 Define unconditionally, since we now assume the stdint module.
3344 * src/scan-skel.l: Include <dirname.h>.
3345 (BASE_QPUTS): Use last_component, not base_name.
3346 * src/system.h: Include <unlocked-io.h> in the usual order
3347 for ../lib/*.h files. Include <stdint.h> unconditionally,
3348 since we now use the stdint module.
3349 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
3350 HAVE_UINTPTR_T, since we now use the stdint module.
3351 (base_name): Remove decl, since files now include <dirname.h>
3354 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
3356 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
3358 * data/yacc.c, data/glr.c, data/location.cc: Use them.
3359 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
3361 * tests/calc.at: Adjust.
3363 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
3365 * data/c.m4 (b4_basename): New.
3366 (b4_syncline): Also output the location of its invocation (from
3368 (b4_user_action, b4_define_user_action, b4_user_actions)
3369 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
3370 (b4_user_stype): New.
3371 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
3373 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
3375 In the grammar file, the first column is 1 not 0 on the first line as
3376 on every other line.
3377 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
3378 * tests/input.at (Torturing the Scanner): Update output.
3380 * src/scan-gram.l (scanner_cursor): Declare it static.
3382 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
3384 In warnings, say "previous declaration" rather than "first
3386 * src/symtab.c (redeclaration): Do that here.
3387 * src/reader.c (record_merge_function_type): In the case of a result
3388 type clash, report the previous declaration rather than the very first
3389 one in the grammar file.
3390 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
3391 declared later): Add a third declaration to check this behavior.
3392 * tests/input.at (Incompatible Aliases): Update output.
3394 2006-06-27 Akim Demaille <akim@epita.fr>
3396 * doc/Doxyfile.in: New.
3397 * doc/Makefile.am: Use it.
3398 * src/lalr.h, src/symtab.h: Initial doxygenation.
3400 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
3402 Don't miss %merge result type warnings just because the LHS types are
3403 declared after the %merge. This continues the effort of the previous
3405 * src/reader.c (get_merge_function): Don't set the merger type yet.
3406 (record_merge_function_type): New function for setting the merger type
3407 and checking for clashes.
3408 (grammar_current_rule_merge_set): Set the location of the %merge for
3410 (packgram): Invoke record_merge_function_type for each rule now that
3411 all symbol type declarations have been parsed.
3412 * src/reader.h (merger_list.type_declaration_location): New member
3413 storing the location of the first %merge from which the type for this
3414 merging function was derived.
3415 * src/symlist.h (symbol_list.merger_declaration_location): New member
3416 storing the location of a rule's %merge, if any.
3417 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
3418 declared later): New test to catch the error fixed by the above patch.
3420 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
3422 Get action warnings (grammar_rule_check) right even when symbol
3423 declarations appear after the rules. Discussed at
3424 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
3426 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
3427 Don't mistake the type of $$ in a midrule to be that of its parent
3429 * src/reader.c (grammar_current_rule_end): Don't invoke
3430 grammar_rule_check yet since not all symbol declarations may have been
3432 (grammar_midrule_action): Likewise.
3433 Don't record whether the midrule's $$ has been used yet since actions
3434 haven't been translated yet.
3435 Record the midrule's parent rule and its RHS index within the parent
3437 (grammar_current_rule_action_append): Don't translate the action yet
3438 since not all symbol declarations may have been parsed yet and, thus,
3439 warnings about types for $$, $n, @$, and @n can't be reported yet.
3440 (packgram): Translate the action and invoke grammar_rule_check now that
3441 all symbol declarations have been parsed.
3442 * src/scan-code.l (handle_action_dollar): Now that this is invoked
3443 after parsing the entire grammar file, the symbol list here in the case
3444 of a midrule is actually the midrule's empty RHS, so reference its
3445 parent rule's RHS where necessary.
3446 On the other hand, now that you can already know it's a midrule, you
3447 aren't forced to think $$ has the same type as its parent rule's $$.
3448 (handle_action_at): In the case of a midrule, reference the parent rule
3450 * src/symlist.c (symbol_list_new): Initialize new midrule-related
3452 (symbol_list_length): Now that this is invoked after all rules have
3453 been parsed, a NULL symbol (rather than a NULL symbol list node)
3454 terminates a rule. symbol_list_print already does this correctly.
3455 * src/symlist.h (symbol_list.midrule_parent_rule,
3456 symbol_list.midrule_parent_rhs_index): New members so that midrules can
3457 remember their relationships with their parents.
3458 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
3459 fixed by the above patch.
3460 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
3462 (Unused values): ... this old test case and...
3463 (Unused values before symbol declarations): ... this new test case.
3464 This one is the same as `Unused values' except that all symbol
3465 declarations appear after the rules in order to catch the rest of the
3466 errors fixed by the above patch.
3468 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
3471 * src/reader.c (current_rule): Declare it static since it's no longer
3472 used outside this file.
3473 (grammar_current_rule_action_append): Remove redundant arguments from
3474 translate_rule_action invocation.
3475 * src/reader.h (current_rule): Remove this unused extern.
3476 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
3477 * src/scan-code.l (translate_rule_action): Likewise.
3479 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
3481 Clean up yesterday's patch.
3482 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
3484 * src/reader.c (grammar_current_rule_action_append): ... here for
3485 consistency with grammar_current_rule_symbol_append.
3486 * tests/regression.at (Braced code in declaration in rules section):
3487 Make yyerror and yylex static as usual.
3489 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
3491 Fix bug that mistakes braced code in a declaration in the rules section
3492 to be a rule action. Mentioned at
3493 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
3494 * src/scan-gram.l: Move midrule action detection from the start of the
3495 scanning of any braced code to...
3496 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
3497 action. For readability, use $2 and @2 rather than the equivalent
3499 * tests/regression.at (Braced code in declaration in rules section):
3500 New test to catch the error fixed by the above patch.
3502 Work on code readability some.
3503 * src/scan-code.l (current_rule): Get rid of this misleading and
3504 redundant declaration: it's actually extern'ed in reader.h.
3505 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
3506 translate_action): Add a rule argument and use it instead of the global
3508 (translate_rule_action): This already receives current_rule through an
3509 argument, so pass it on to translate_action instead of assigning
3510 current_rule to current_rule.
3511 (translate_symbol_action, translate_code): Pass rule = NULL to
3514 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
3516 Rename %before-definitions to %start-header and %after-definitions to
3517 %end-header. Don't use these declarations to separate pre-prologue
3518 blocks from post-prologue blocks. Add new order-independent
3519 declarations %before-header and %after-header as alternatives to the
3520 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
3521 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
3522 * NEWS (2.3+): Update for these changes.
3523 * data/glr.c (b4_before_definitions): Update to...
3524 (b4_start_header): ... this.
3525 (b4_after_definitions): Update to...
3526 (b4_end_header): ... this.
3527 * data/glr.cc: Likewise.
3528 * data/lalr1.cc: Likewise.
3529 * data/yacc.c: Likewise.
3530 * doc/bison.texinfo (The prologue): Update names, and replace remaining
3531 prologue blocks with %*-header declarations.
3532 (Calc++ Parser): Likewise.
3533 (Decl Summary): Update names.
3534 (Table of Symbols): Update description.
3535 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
3536 (PERCENT_END_HEADER): ... this.
3537 (PERCENT_BEFORE_DEFINITIONS): Update to...
3538 (PERCENT_START_HEADER): ... this.
3539 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
3540 (declaration): Update token names and m4 macro names.
3541 When parsing %end-header and %start-header, invoke translate_code
3542 before muscle_code_grow, and no longer set global booleans to remember
3543 whether these declarations have been seen.
3544 Parse new %after-header and %before-header.
3545 * src/reader.c (before_definitions, after_definitions): Remove.
3546 (prologue_augment): Accept a new bool argument to specify whether to
3547 augment the pre-prologue or post-prologue.
3548 * src/reader.h (before_definitions, after_definitions): Remove these
3550 (prologue_augment): Add new bool argument.
3551 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
3552 (PERCENT_END_HEADER): ... this.
3553 (PERCENT_BEFORE_DEFINITIONS): Update to...
3554 (PERCENT_START_HEADER): ... this.
3555 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
3556 * tests/actions.at (Printers and Destructors): Update names.
3558 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
3560 Add comparison operators for C++ location classes. Discussed at
3561 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
3562 * data/c++.m4 (b4_define_location_comparison): New boolean %define
3563 declaration indicating whether filename_type has an operator==. If
3564 filename_type is `std::string', it defaults to `1', `0' otherwise.
3565 * data/location.cc: Iff b4_define_location_comparison is `1', add
3566 operator== and operator!= for class position and for class location.
3569 * src/scan-action.l: Remove unused file.
3570 * src/symtab.c (symbol_printer_set): Use printer_location not
3571 destructor_location.
3572 * src/symtab.h (struct symbol): Replace incorrect source comment for
3574 * tests/input.at (Incompatible Aliases): Update output with correct
3577 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
3579 Don't put the pre-prologue in the header file. For the yacc.c code
3580 file and the glr.c header and code files, move the pre-prologue before
3581 the token definitions. Add new %before-definitions and
3582 %after-definitions to declare code that will go in both the header file
3583 and code file. Discussed at
3584 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
3585 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
3587 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
3588 * NEWS (2.3+): Describe these changes.
3589 * data/glr.c (b4_pre_prologue): Move from within to before...
3590 (b4_shared_declarations): ... this.
3591 Add new b4_before_definitions before b4_token_enums.
3592 Add new b4_after_definitions at the end.
3593 * data/glr.cc (b4_pre_prologue): Replace with...
3594 (b4_before_definitions): ... this in the header file.
3595 (b4_after_definitions): New near the end of the header file.
3596 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
3597 code file right before including the header file.
3598 (b4_before_definitions): New in the previous position of
3599 b4_pre_prologue in the header file.
3600 (b4_after_definitions): New near the end of the header file.
3601 * data/yacc.c: Clean up some m4 quoting especially in the header file.
3602 (b4_token_enums_defines): In the code file, move to right before
3603 YYSTYPE for consistency with the header file.
3604 (b4_before_definitions): New right before b4_token_enums_defines in
3605 both the header and code file.
3606 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
3607 header and code file.
3608 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
3609 of prologues for %union dependencies.
3610 (Decl Summary): In %defines description, mention the effect of
3611 %before-definitions and %after-definitions on the header file.
3612 (Calc++ Parser): Forward declare driver in a %before-definitions rather
3613 than in the pre-prologue so that make check succeeds.
3614 (Table of Symbols): Add entries for %before-definitions and
3616 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
3617 %before-definitions.
3618 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
3619 (declaration): Parse those declarations and append to
3620 b4_before_definitions and b4_after_definitions, respectively.
3621 * src/reader.c (before_definitions, after_definitions): New bools to
3622 track whether those declarations have been seen.
3623 (prologue_augment): Add to the post-prologue if %union,
3624 %before-definitions, or %after-definitions has been seen.
3625 * src/reader.h (before_definitions, after_definitions): New extern's.
3626 * src/scan-gram.l: Scan the new declarations.
3627 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
3628 prologue block in a %before-definitions or a %after-definitions based
3629 on whether the %union is declared.
3630 * tests/regression.at (Early token definitions with --yacc, Early token
3631 definitions without --yacc): Move tests for token definitions into the
3632 post-prologue since token names are no longer defined in the
3635 2006-06-20 Akim Demaille <akim@epita.fr>
3637 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
3638 (symbol_get): Use it.
3639 * src/parse-gram.y: Use it.
3641 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
3643 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
3644 build succeeds when configured with --enable-gcc-warnings.
3646 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
3648 * src/parse-gram.y (char_name): New function.
3649 (CHAR, STRING, string_content): For %printer, properly escape.
3650 (ID): Prefer fputs to fprintf.
3651 (id): Reindent to be consistent with other rules.
3652 Properly quote char.
3654 The Translation Project changed its way of publishing translations
3655 to maintainers. I haven't received any responses to my request
3656 for supporting the old way, or for documenting the new way. I
3657 have modified 'bootstrap' to use screen scraping
3658 (in this case, HTML scraping). This is unreliable and inelegant,
3659 but I don't see any better way. Yuck.
3660 * bootstrap (TP_URL, WGET_COMMAND): New vars.
3661 (get_translations): New function, which uses HTML scraping to
3662 deduce locations of latest translations.
3663 Use this function to grab both bison and bison-runtime .po files.
3664 Don't bother priming the pump for the runtime-po domain any more,
3665 as it's now translated better than bison is.
3667 2006-06-19 Akim Demaille <akim@epita.fr>
3669 * src/scan-gram.l: No longer "parse" things after `%union' until
3670 `{'. Rather, return a single "%union" token.
3671 No longer make symbols: return strings, and leave the conversion
3672 to symbols to the parser.
3673 (SC_PRE_CODE, token_type): Remove.
3674 * src/parse-gram.y (%union): New field `character'.
3677 (ID, ID_COLON): Now that the scanner no longer makes them
3678 identifiers, adjust all uses to invoke symbol_get.
3679 (id_colon): New, wraps the conversion from string to symbol.
3680 (%union): Accept a possible union_name.
3681 (symbol): Now can be a char.
3682 * data/c.m4 (b4_union_name): Leave a default value.
3683 * data/glr.c, data/yacc.c: Use it.
3685 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
3687 For associating token numbers with token names for "yacc.c", don't use
3688 #define statements unless `--yacc' is specified; always use enum
3689 yytokentype. Most important discussions start at:
3690 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
3691 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
3693 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
3694 * NEWS (2.3+): Mention.
3695 * data/c.m4 (b4_yacc_if): New.
3696 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
3698 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
3699 on token name definitions.
3700 * src/getargs.c (usage): Capitalize `Yacc' in English.
3701 * src/output.c (prepare): Define b4_yacc_flag.
3702 * tests/regression.at (Early token definitions): Test that tokens names
3703 are defined before the pre-prologue not just before the post-prologue.
3704 Remove this test case and copy to...
3705 (Early token definitions with --yacc): ... this to test #define's.
3706 (Early token definitions without --yacc): ... and this to test enums.
3708 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
3710 * NEWS: Reword the post-2.3 change to not be so optimistic about
3711 removing the old "look-ahead" spelling.
3712 Update previous look-ahead/lookahead change reports.
3713 * REFERENCES: look-ahead -> lookahead (since that's
3714 what he actually wrote).
3715 * doc/refcard.tex: look ahead -> lookahead,
3716 look-ahead -> lookahead
3718 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
3720 For consistency, use `lookahead' instead of `look-ahead' or
3721 `look_ahead'. Discussed starting at
3722 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
3724 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
3725 * NEWS: For the next release, note the change to `--report'.
3726 * TODO, doc/bison.1: Update English.
3727 * doc/bison.texinfo: Update English.
3728 (Understanding Your Parser, Bison Options): Document as
3729 `--report=lookahead' rather than `--report=look-ahead'.
3730 * src/conflicts.c: Update English in comments.
3731 (lookahead_set): Rename from look_ahead_set.
3732 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
3733 (resolve_sr_conflict): Rename local look_ahead_tokens to
3734 lookahead_tokens, and update other uses.
3735 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
3736 count_rr_conflicts, conflicts_free): Update uses.
3737 * src/getargs.c (report_args): Move "lookahead" before alternate
3739 (report_types): Update uses.
3740 (usage): For `--report' usage description, state `lookahead' spelling
3741 rather than `look-ahead'.
3742 * src/getargs.h (report.report_lookahead_tokens): Rename from
3743 report_look_ahead_tokens.
3744 * src/lalr.c: Update English in comments.
3745 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
3746 (state_lookahead_tokens_count): Rename from
3747 state_look_ahead_tokens_count.
3748 Rename local n_look_ahead_tokens to n_lookahead_tokens.
3749 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
3750 Rename local n_look_ahead_tokens to n_lookahead_tokens.
3752 Update English in output.
3753 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
3754 * src/print.c: Update English in comments.
3755 (lookahead_set): Rename from look_ahead_set.
3756 (print_reduction): Rename argument lookahead_token from
3758 (print_core, state_default_rule, print_reductions, print_results):
3760 * src/print_graph.c: Update English in comments.
3761 (print_core): Update uses.
3762 * src/state.c: Update English in comments.
3763 (reductions_new): Update uses.
3764 (state_rule_lookahead_tokens_print): Rename from
3765 state_rule_look_ahead_tokens_print, and update other uses.
3766 * src/state.h: Update English in comments.
3767 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
3768 (state_rule_lookahead_tokens_print): Rename from
3769 state_rule_look_ahead_tokens_print.
3770 * src/tables.c: Update English in comments.
3771 (conflict_row, action_row): Update uses.
3772 * tests/glr-regression.at
3773 (Incorrect lookahead during deterministic GLR,
3774 Incorrect lookahead during nondeterministic GLR): Rename
3775 print_look_ahead to print_lookahead.
3776 * tests/torture.at: Update English in comments.
3777 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
3778 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
3779 (Many lookahead tokens): Update uses.
3780 * data/glr.c: Update English in comments.
3781 * lalr1.cc: Likewise.
3783 * src/conflicts.h: Likewise.
3784 * src/lalr.h: Likewise.
3785 * src/main.c: Likewise.
3786 * src/output.c: Likewise.
3787 * src/parse-gram.c: Likewise.
3788 * src/tables.h: Likewise.
3789 * tests/calc.at: Likewise.
3791 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
3793 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
3795 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
3797 * TODO: Add request from Nelson H. F. Beebe to be able to install
3798 Bison without installing the yacc script.
3800 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
3802 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
3803 and yytext if they're already #define'd.
3804 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
3805 * src/scan-code-c.c: ... here.
3806 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
3809 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
3811 Get Bison to build again when configured with --enable-gcc-warnings.
3812 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
3814 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
3815 loc argument as it shadows a global.
3816 * src/scan-gram.l: Remove stray comma that prevents boundary_set
3819 * src/.cvsignore: Add scan-code.c.
3821 2006-06-07 Akim Demaille <akim@epita.fr>
3823 * src/scan-gram.l: Move the "add a trailing ; to actions" code
3825 * src/scan-code.l: here.
3826 * tests/input.at (Torturing the Scanner): Fix another location
3829 2006-06-07 Akim Demaille <akim@epita.fr>
3831 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
3833 2006-06-06 Akim Demaille <akim@epita.fr>
3835 Extract the parsing of user actions from the grammar scanner.
3836 As a consequence, the relation between the grammar scanner and
3837 parser is much simpler. We can also split "composite tokens" back
3839 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
3840 * src/scan-gram.l (add_column_width, adjust_location): Move to and
3842 * src/location.h, src/location.c (add_column_width)
3843 (location_compute): these.
3844 Fix the column count: the initial column is 0.
3845 (location_print): Be robust to ending column being 0.
3846 * src/location.h (boundary_set): New.
3847 * src/main.c: Adjust to scanner_free being renamed as
3849 * src/output.c: Include scan-code.h.
3850 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
3852 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
3853 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
3854 which is now, again, a separate token.
3855 Adjust all dependencies.
3856 Whereever actions with $ and @ are used, use translate_code.
3857 (action): Remove this nonterminal which is now useless.
3858 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
3859 (grammar_current_rule_action_append): Use translate_code.
3860 (packgram): Bound check ruleno, itemno, and rule_length.
3861 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
3862 (last_string, last_braced_code_loc, max_left_semantic_context)
3863 (scanner_initialize, scanner_free, scanner_last_string_free)
3864 (gram_out, gram_lineno, YY_DECL_): Move to...
3865 * src/scan-gram.h: this new file.
3866 (YY_DECL): Rename as...
3868 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
3869 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
3870 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
3871 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
3872 Move these declarations, and...
3873 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
3875 * src/flex-scanner.h: this new file.
3876 * src/scan-gram.l (rule_length, rule_length_overflow)
3877 (increment_rule_length): Remove.
3878 (last_braced_code_loc): Rename as...
3879 (gram_last_braced_code_loc): this.
3880 Adjust to the changes of the parser.
3881 Move all the handling of $ and @ into...
3882 * src/scan-code.l: here.
3883 * src/scan-gram.l (handle_dollar, handle_at): Remove.
3884 (handle_action_dollar, handle_action_at): Move to...
3885 * src/scan-code.l: here.
3886 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
3887 scan-code.h, scan-code-c.c, scan-gram.h.
3888 (EXTRA_bison_SOURCES): Add scan-code.l.
3889 (BUILT_SOURCES): Add scan-code.c.
3890 (yacc): Be robust to white spaces.
3892 * tests/conflicts.at, tests/input.at, tests/reduce.at,
3893 * tests/regression.at: Adjust the column numbers.
3894 * tests/regression.at: Adjust the error message.
3896 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
3898 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
3899 Use Akim's wording from
3900 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
3902 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
3904 Between Bison releases, manually append `+' to the previous Bison
3905 release number, and use that as a signal to automatically print the
3906 ChangeLog's CVS Id keyword from --version. Discussed starting at
3907 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
3908 * ChangeLog: Add Id header.
3909 * configure.ac (AC_INIT): Append `+' to `2.3'.
3910 * src/.cvsignore: Add revision.c.
3911 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
3912 (BUILT_SOURCES): Add revision.c.
3913 (revision.c): New target rule. This file defines a new global variable
3914 named revision. It initializes it with either the Id from ChangeLog
3915 or, if VERSION doesn't contain `+', with the empty string.
3916 * src/getargs.c (version): Print the value of revision.
3917 * src/revision.h: Extern revision.
3919 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
3921 * NEWS: Version 2.3.
3922 * configure.ac (AC_INIT): Likewise.
3924 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
3926 * data/glr.c (YYRECOVERING): Define to be a function-like macro
3927 with no arguments, not as an object-like macro. This is for
3928 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
3929 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
3930 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
3933 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
3935 * src/getargs.c (usage): Back out yesterday's modification of the
3936 --help output so that we don't have to wait for translation before
3939 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
3941 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
3942 Problem reported by Akim Demaille.
3944 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
3946 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
3948 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
3950 * data/yacc.c (yy_reduce_print): Omit trailing white space in
3951 generated source code. Problem reported by Frans Englich in
3952 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
3954 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
3956 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
3957 shell, not within 'make', so that 'make' by an ordinary builder
3958 (using GNU make) does not worry about configuring gzip. This also
3959 works around a bug reported independently by Keith Thompson and by
3960 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
3961 stderr rather than stdout, messing up the build logs.
3963 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
3965 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
3966 to make sure that YYID will never be unused. This fixes a 'make
3967 maintainer-check' failure caused by the recent changes to the 'Trivial
3968 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
3970 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
3972 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
3974 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
3975 state before an empty RHS is always resolved here. Only the location
3976 of that state is guaranteed to be resolved, and that's enough. This
3977 fixes the remaining bug reported by Derek M. Jones in
3978 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
3979 * tests/glr-regression.at (Uninitialized location when reporting
3980 ambiguity): Test the above case.
3981 Also, the embedded comments in this test case claim it checks the case
3982 of an empty RHS that has inherited the initial location. However, the
3983 corresponding LHS was already resolved, so yyresolveLocations didn't
3984 actually have reason to modify it. Fix this by forcing
3985 nondeterministic operation at the beginning of the parse.
3987 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
3989 * data/c.m4 (b4_yy_symbol_print_generate):
3990 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
3991 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
3992 of the bugs reported today by Derek M Jones in
3993 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
3994 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
3995 defined to be a type name without parens or brackets.
3996 (Location Type): Similarly for YYLTYPE.
3997 * tests/regression.at (Trivial grammars): Put in a test for this
3998 bug that will be caught by 'make maintainer-check' (though not,
3999 alas, by 'make check' unless your compiler is picky).
4001 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
4003 * NEWS: Version 2.2.
4004 * configure.ac (AC_INIT): Likewise.
4006 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
4008 * data/glr.c (yyreportTree): Make room in yystates for the state
4009 preceding the RHS. This fixes the segmentation fault reported by Derek
4011 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
4012 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
4013 to the user. Reported for yyreportTree by Derek M. Jones later in the
4015 * THANKS: Add Derek M. Jones.
4016 Update my email address.
4017 Fix typo in Steve Murphy's name.
4019 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
4021 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
4022 checking against YYLAST that caused the parser to miss a potential
4023 alternative in its diagnostic.
4024 Problem reported by Maria Jose Moron Fernandez in
4025 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
4026 * data/lalr1.cc (yysyntax_error_): Likewise.
4027 * data/yacc.c (yysyntax_error): Likewise.
4028 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
4029 tokens, in case we run into an older C compiler.
4030 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
4031 Use them to check for the off-by-one error fixed above.
4033 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
4034 YYSIZE_T, not size_t.
4035 * tests/regression.at (Trivial grammars): New test, to catch
4036 the error fixed by the above patch.
4038 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4040 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
4042 Reported by Steve Murphy.
4044 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4046 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
4047 * data/glr.cc: b4_location_flag is now b4_locations_flag.
4049 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4051 Implement --trace=m4.
4052 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
4053 * src/output.c (output_skeleton): When set, pass -dV to m4.
4055 Factor the handling of flags in m4.
4056 * src/output.c (prepare): Rename the muscle names debug, defines,
4057 error_verbose to debug_flag, defines_flag, error_verbose_flag.
4058 * data/c.m4: Adjust.
4059 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
4060 Use b4_define_flag_if to define other b4_FLAG_if macros.
4061 (b4_location_if): As a consequence, rename as...
4062 (b4_locations_if): this, for consistency.
4063 Adjust all the skeletons.
4065 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4067 * etc/bench.pm: Shorten bench names.
4069 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4071 * src/output.h, src/output.c (error_verbose): Move to...
4072 * src/getargs.h, src/getargs.c: here.
4074 Adjust dependencies.
4076 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
4078 * data/c.m4 (b4_copyright): Put the special exception for Bison
4079 skeletons here, so we don't have to put it in each skeleton. All
4080 uses changed. Suggested by Akim Demaille. Also, wrap the
4081 copyright notice, in case it is longer than 80 columns. Replace
4082 comma by newline after title.
4084 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
4086 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
4087 incompatibility, not a bug. Mention that it wasn't fixed as of
4090 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
4092 * examples/extexi: Enforce the precedence of concatenation over
4094 Reported by Tommy Nordgren.
4096 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
4098 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
4099 with the member "token".
4100 Reported by Martin Nylin.
4102 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
4104 * data/glr.c: Switch to Bison 2.2 special-exception language in
4105 the copyright notice. Use more-regular format for titles and
4107 * data/glr.cc: Likewise.
4108 * data/location.cc: Likewise.
4109 * data/yacc.cc: Likewise.
4110 * doc/bison.texinfo (Conditions): Document this.
4111 * NEWS: likewise. Upgrade version to 2.2.
4113 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
4115 * data/glr.cc: Remove dead code.
4117 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
4119 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
4120 that variable and the line breaks the bootstrap. Problem reported
4121 by Juan M. Guerrero.
4123 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
4125 * doc/bison.texinfo (Multiple start-symbols): New.
4127 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
4129 * etc/README, etc/bench.pl: New.
4131 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
4133 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
4135 Reported by Mickael Labau.
4136 * tests/input.at (Torturing the Scanner): Test it.
4138 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
4140 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
4141 Problem reported by Bob Rossi.
4143 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
4145 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
4146 and didn't really work.
4147 For the index, use @ifnotinfo, not @iftex.
4148 Minor cleanups of spacing and terminology.
4150 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
4152 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
4153 of AT_NAME_PREFIX when %name-prefix is not used.
4155 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
4157 Apply --prefix to C++ skeletons too: they change the namespace.
4158 The test suite already exercize these cases.
4159 * data/c++.m4 (b4_namespace): New.
4160 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
4161 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
4162 * data/yacc.c, data/glr.c: Remove a useless `[]'.
4163 * doc/bison.texinfo: Document it.
4164 (Option Cross Key): Use @multitable in all formats. It looks
4165 nicer, even in TeX outputs.
4166 (Rules): Use the same code whatever the output type is.
4167 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
4168 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
4169 * tests/calc.at: Use it, instead of hard coding `yy'.
4171 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
4173 * TODO: Remove dead items.
4175 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
4177 * doc/FAQ: Remove, merged into...
4178 * doc/bison.texinfo (FAQ): this.
4179 * doc/Makefile.am (EXTRA_DIST): Adjust.
4181 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
4183 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
4185 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
4186 * doc/bison.texinfo (Calc++ Scanner): Use it.
4188 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
4190 Fix two nits reported by twlevo, plus one more that I discovered.
4192 * src/assoc.h (assoc_to_string): Give a name to the arg, as
4193 this is the usual Bison style.
4194 * src/location.h (location_print): Likewise.
4196 * src/reader.h (token_name): Likewise.
4198 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
4200 Fix some nits reported by twlevo.
4201 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
4202 and "POSIX". Use more-modern syntax for URLs. Mention C++
4203 and ask for Java. Don't hardwire OS version numbers. Add
4205 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
4206 * src/conflicts.c (solved_conflicts_obstack): Now static.
4208 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
4210 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
4211 page. Say "you can use it" not "you may use it" as on the web page;
4212 we're describing capabilities not granting permission.
4214 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
4216 * data/glr.c (yyresolveLocations): Rename local variables to avoid
4217 shadowing warnings. Use usual patter for iterating through RHS.
4218 * tests/glr-regression.at
4219 (Uninitialized location when reporting ambiguity):
4220 Modify yylex so that it uses its argument, rather than trying
4221 to rely on ARGSUSED (which doesn't work for gcc with warnings).
4222 const char -> char const.
4224 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
4225 Don't use tabs inside commands; it messes up 'ps'.
4226 Problem reported by twlevo.
4228 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
4230 * tests/glr-regression.at (Uninitialized location when reporting
4231 ambiguity): New test case.
4232 * data/glr.c (yyresolveLocations): New function, which uses
4234 (yyresolveValue): Invoke yyresolveLocations before reporting an
4236 * doc/bison.texinfo (Default Action for Locations): Note
4237 YYLLOC_DEFAULT's usage for ambiguity locations.
4238 (GLR Semantic Actions): Cross-reference those notes.
4240 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
4242 * tests/glr-regression.at (Leaked semantic values when reporting
4243 ambiguity): Remove unnecessary union and type declarations.
4244 (Leaked lookahead after nondeterministic parse syntax error): New test
4246 * data/glr.c (yyparse): Check for zero stacks remaining before
4247 attempting to shift the lookahead so that you don't lose it.
4249 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
4251 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
4252 * tests/glr-regression.at (Leaked semantic values when reporting
4253 ambiguity): New test case.
4254 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
4255 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
4256 now unnecessary yystackp parameter.
4257 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
4258 destructors can be called.
4260 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
4261 in existing testcases.
4263 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
4265 Don't leak semantic values for parent RHS when a user action cuts the
4266 parser, and clean up related code a bit.
4267 * tests/glr-regression.at (Leaked merged semantic value if user action
4268 cuts parse): Rename to...
4269 (Leaked semantic values if user action cuts parse): ... this. Add check
4270 for leaked parent RHS values.
4271 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
4272 between an unresolved state (non-empty chain of semantic options) and
4273 an incomplete one (signaled by an empty chain).
4274 (yyresolveStates): Document the interface. Move all manipulation of a
4275 successfully or unsuccessfully resolved yyGLRState to...
4276 (yyresolveValue): ... here so that yyresolveValue always leaves a
4277 yyGLRState with consistent data and thus is easier to understand.
4278 Remove the yyvalp and yylocp parameters since they are always just
4279 taken from the yys parameter. When reporting a discarded merged value
4280 in debugging output, note that it is incompletely merged. Document the
4282 (yyresolveAction): If resolving any of the RHS states fails, destroy
4283 them all rather than leaking them. Thus, as long as user actions are
4284 written to clean up the RHS correctly, yyresolveAction always cleans up
4285 the RHS of a semantic option. Document the interface.
4287 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
4289 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
4290 led to a segmentation fault in GNU Pascal. Problem reported
4293 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
4295 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
4296 mid-rule action inside a nonterminal symbol in order to declare a
4297 destructor for its semantic value.
4299 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
4301 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
4302 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
4303 __cplusplus && ! defined _STDLIB_H && !
4304 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
4305 defined free))]: Include <stdlib.h> rather than rolling our own
4306 declarations of malloc and free, to avoid problems with
4307 incompatible declarations (using 'throw') C++'s stdlib.h. This
4308 should fix Debian bug 340012
4309 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
4310 reported by Guillaume Melquiond.
4312 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
4314 * NEWS: Clarify symbols versus types in unused-value warnings.
4316 * configure.ac (AC_INIT): Bump version number.
4318 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
4320 * NEWS: Version 2.1a.
4321 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
4322 since C99 requires this.
4324 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
4326 * m4/c-working.m4: New file.
4327 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
4329 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
4331 * Makefile.maint: Merge from coreutils.
4333 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
4335 More portability fixes for problems summarized by Nelson H. F. Beebe.
4337 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
4338 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
4339 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
4340 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
4341 messes up because C++ code is compiled in 32-bit mode but linked
4344 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
4346 More portability fixes for problems summarized by Nelson H. F. Beebe.
4348 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
4349 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
4351 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
4352 nodist_PROGRAMS, since we don't need to actually compile the
4353 example if we're just doing a plain 'make'. This avoids bothering
4354 the installer unnecessarily about problems due to weird C++
4357 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
4359 More portability fixes for problems summarized by Nelson H. F. Beebe.
4361 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
4362 than #include "...", and compile with -I'.'. The old method was
4363 not portable, according to Posix and the C standard, and it does
4364 not work with Sun C 5.7, where previous #line directives affect
4365 the working directory used in later #include "..." directives.
4367 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4369 Various DJGGP specific issues in /djgpp
4371 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
4373 More portability fixes for problems summarized by Nelson H. F. Beebe.
4375 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
4376 '#include <map>' works and that you can apply ++ to iterators.
4378 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
4380 Work around portability problems summarized by Nelson H. F. Beebe in
4381 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
4383 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
4384 that '#include <string>' works.
4386 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
4387 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
4388 "warning: sorry: semantics of inline function static data `const
4389 unsigned char translate_table[262]' are wrong (you'll wind up with
4392 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
4393 or, xor to not_, and_, or_, and xor_, respectively. This works
4394 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
4395 random system header somewhere that includes the equivalent of
4398 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
4399 -E" works; it apparently doesn't work with PathScale EKO Compiler
4402 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
4404 During deterministic GLR operation, user actions should be able to
4405 influence the parse by changing yychar. To make this easier to fix and
4406 to make glr.c easier to evolve in general, don't maintain yytoken in
4407 parallel with yychar; just compute yytoken when needed.
4408 * tests/glr-regression.at (Incorrect lookahead during deterministic
4409 GLR): Check that setting yychar in a user action has the intended
4411 * data/glr.c (yyGLRStack): Remove yytokenp member.
4412 (yyclearin): Don't set *yytokenp.
4413 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
4414 yychar rather than *yytokenp to determine the current lookahead.
4415 Compute yytoken locally when needed.
4416 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
4419 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
4420 after `--report' documentation.
4422 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
4424 * src/parse-gram.y (grammar_declaration): Location of printer
4425 symbol is @1, not list->location. Bug reported by twlevo.
4426 * tests/input.at (Incompatible Aliases): Adjust to above change.
4428 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
4430 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
4431 all the test at once. This makes the output easier to read in the
4434 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
4435 got from <http://bro-ids.org/download.html>. The bug is that
4436 when two actions appeared in succession, the second one was
4437 scanned before the first one was added to the grammar rule
4438 as a midrule action. Bison then output the incorrect warning
4439 "parse.y:905.17-906.36: warning: unused value: $3".
4440 * src/parse-gram.y (BRACED_CODE, action): These are no longer
4441 associated with a value.
4442 (rhs): Don't invoke grammar_current_rule_action_append.
4443 (action): Invoke it here instead.
4444 * src/reader.c (grammar_midrule_action): Now extern.
4445 (grammar_current_rule_action_append): Don't invoke
4446 grammar_midrule_action; that is now the scanner's job.
4447 * src/reader.h (last_string, last_braced_code_loc):
4448 (grammar_midrule_action): New decls.
4449 * src/scan-gram.l (last_string): Now extern, sigh.
4450 (last_braced_code_loc): New extern variable.
4451 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
4452 rule already has an action.
4453 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
4454 * tests/input.at (AT_CHECK_UNUSED_VALUES):
4455 Add some tests to check that the above changes fixed the bug.
4457 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
4459 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
4460 All used changed. Check whether the symbol has a destructor,
4461 not whether it is typed.
4462 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
4463 that the values are still reported as unused. All line numbers
4466 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
4468 Work around a bug in bro 0.8, which underparenthesizes its
4469 definition of YYLLOC_DEFAULT.
4470 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
4472 * data/lalr1.cc: Likewise.
4473 * data/yacc.cc: Likewise.
4475 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
4477 Work around a bug in Pike 7.0, and give the Pike folks a
4478 better way to override the usual int widths.
4479 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
4480 user can override the types.
4481 (short): #undef, to work around a bug in Pike 7.0.
4482 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
4483 (union yyalloc.yyss): Use yytype_int16 rather than short.
4485 (yysigned_char): Remove.
4486 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
4487 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
4488 * tests/regression.at (Web2c Actions): Adjust to above changes.
4490 * src/reader.c (check_and_convert_grammar): New function.
4491 (reader): Close the input file even if something went wrong during
4492 parsing. Minor file descriptor leak reported by twlevo.
4494 * src/assoc.c (assoc_to_string): Use a default: abort (); case
4495 to pacify gcc -Wswitch-default.
4496 * src/scan-gram.l (adjust_location): Use a default: break; case
4497 to pacify gcc -Wswitch-default.
4498 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
4499 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
4500 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
4501 Move these decls to scan-skel.l, since they don't need to be
4503 * src/scan-skel.l: Accept the above decls.
4504 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
4507 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
4509 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
4510 since we don't want to insist on a version number at the start
4511 of the changelog every time.
4512 * Makefile.maint: Sync from coreutils a bit better.
4513 (sc_trailing_blank): Renamed from sc_trailing_space.
4515 (sc_no_if_have_config_h, sc_require_config_h):
4516 (sc_prohibit_assert_without_use): New rules.
4517 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
4518 (sc_dd_max_sym_length): Fix leading spaces in rule.
4519 (sc_system_h_headers): Prefix with @.
4520 (sc_useless_cpp_parens, m4-check): Output line numbers.
4521 (changelog-check): Allow version only in head.
4522 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
4523 satisfy new Makefile.maint rule.
4524 * data/glr.c: Likewise.
4525 * data/glr.cc: Likewise.
4526 * data/lalr1.cc: Likewise.
4527 * data/yacc.c: Likewise.
4528 * lib/ebitsetv.c: Likewise.
4529 * lib/lbitset.c: Likewise.
4530 * lib/subpipe.c: Likewise.
4531 * lib/timevar.c: Likewise.
4532 * src/system.h: Likewise.
4533 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
4534 * djgpp/Makefile.maint: Add copyright notice.
4535 * djgpp/README.in: Likewise.
4536 * djgpp/config.bat: Likewise.
4537 * djgpp/config.site: Likewise.
4538 * djgpp/config_h.sed: Likewise.
4539 * djgpp/djunpack.bat: Likewise.
4540 * djgpp/config.sed: Fix copyright notice to match standard format.
4541 * djgpp/subpipe.h: Likewise.
4542 * lib/bitsetv-print.c: Likewise.
4543 * lib/bitsetv.c: Likewise.
4544 * lib/subpipe.h: Likewise.
4545 * lib/timevar.c: Likewise.
4546 * lib/timevar.h: Likewise.
4547 * djgpp/subpipe.c: Use standard recipe for config.h.
4548 * lib/abitset.c: Likewise.
4549 * lib/bitset.c: Likewise.
4550 * lib/bitset_stats.c: Likewise.
4551 * lib/bitsetv-print.c: Likewise.
4552 * lib/bitsetv.c: Likewise.
4553 * lib/ebitsetv.c: Likewise.
4554 * lib/get-errno.c: Likewise.
4555 * lib/lbitset.c: Likewise.
4556 * lib/subpipe.c: Likewise.
4557 * lib/timevar.c: Likewise.
4558 * lib/vbitset.c: Likewise.
4559 * tests/local.at: Likewise.
4560 * src/scan-gram.l: Don't include verify.h, since system.h does
4562 * .x-sc_require_config_h: New file.
4563 * .x-sc_unmarked_diagnostics: New file.
4565 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
4567 Be a bit more systematic about using 'abort'.
4568 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
4569 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
4570 Put 'default: abort ();' before some other case, to satisfy older
4572 * lib/bitset_stats.c (bitset_stats_init): Likewise.
4573 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
4574 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
4575 * src/conflicts.c (resolve_sr_conflict): Likewise.
4576 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
4577 (get_decision_str, get_orientation_str, get_node_alignment_str):
4578 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
4579 (get_linestyle_str, get_arrowstyle_str): Likewise.
4580 * src/conflicts.c (resolve_sr_conflict):
4581 Use a default case rather than one for the one remaining enum
4582 value, to catch invalid enum values as well.
4583 * src/lalr.c (set_goto_map, map_goto):
4584 Prefer "assert (FOO);" to "if (!FOO) abort ();".
4585 * src/nullable.c (nullable_compute, token_definitions_output):
4587 * src/reader.c (packgram, reader): Likewise.
4588 * src/state.c (transitions_to, state_new, state_reduction_find):
4590 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
4591 (symbol_pack): Likewise.
4592 * src/tables.c (conflict_row, pack_vector): Likewise.
4593 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
4594 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
4595 * src/system.h: Don't include <assert.h>.
4596 (assert): New macro.
4598 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
4599 (Destructor Decl, Parser Function, Pure Calling):
4600 Describe rules for braces inside C code more carefully.
4602 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
4604 Fix some porting glitches found by Nelson H. F. Beebe.
4605 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
4606 compilers that don't understand that abort () does not return.
4607 * src/state.c (transitions_to): Likewise.
4608 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
4609 that '#include <cstdlib>' works.
4610 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
4611 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
4612 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
4613 for the benefit of some pre-C99 compilers.
4615 * bootstrap: Undo changes to gnulib files that autoreconf made.
4617 Minor fixups to get 'make maintainer-check' to work.
4618 * configure.ac: Don't use -Wnested-externs, as it's incompatible
4619 with the new verify.h implementation.
4620 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
4621 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
4622 * data/yacc.c (YYUSE): Likewise.
4623 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
4624 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
4625 * src/parse-gram.y (declaration): Don't pass a string constant
4626 to a function that expects char *, since GCC might complain
4627 about the constant value.
4628 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
4629 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
4630 before #defining them.
4631 * tests/glr-regression.at
4632 (Incorrectly initialized location for empty right-hand side in GLR):
4633 In yyerror, use the msg arg.
4634 (Corrupted semantic options if user action cuts parse):
4635 (Incorrect lookahead during deterministic GLR):
4636 (Incorrect lookahead during nondeterministic GLR):
4637 Don't name a local var 'index'; it shadows string.h's 'index'.
4639 2006-01-19 Akim Demaille <akim@epita.fr>
4641 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
4642 location, not just parts of it.
4644 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
4646 * NEWS: Document the fact that multiple %unions are now allowed.
4647 * doc/bison.texinfo (Union Decl): Likewise.
4648 * TODO: This feature is now implemented, so remove it from
4651 * Makefile.maint: Merge with coreutils Makefile.maint.
4652 (CVS_LIST): Use build-aux version if available.
4653 (VERSION_REGEXP): New macro.
4654 (syntax-check-rules): Add sc_no_if_have_config_h,
4655 sc_prohibit_assert_without_use, sc_require_config_h,
4656 sc_useless_cpp_parens.
4657 (sc_obsolete_symbols): Check for O_NDELAY.
4658 (sc_dd_max_sym_length): Track coreutils.
4659 (sc_unmarked_diagnostics): Look in all files, not just *.c.
4660 (sc_useless_cpp_parens): New rule.
4661 (news-date-check): Look for version or today's date.
4662 (changelog-check): Don't require version number near head.
4663 (copyright-check): Use current year instead of hardwiring 2005.
4664 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
4665 (announcement): Add --gpg-key-ID.
4667 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
4670 Avoid undefined behavior that addressed just before the start of an
4671 array. Problem reported by twlevo.
4672 * src/reader.c (packgram): Prepend a new sentinel before ritem.
4673 * src/lalr.c (build_relations): Rely on new sentinel.
4674 * src/gram.c (gram_free): Adjust to new sentinel.
4676 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
4678 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
4679 yylookaheadNeeds. All uses updated.
4680 (yysplitStack): Rename local yynewLookaheadStatuses to
4681 yynewLookaheadNeeds.
4682 * data/glr-regression.at (Incorrect lookahead during nondeterministic
4683 GLR): In comments, change `lookahead status' to `lookahead need'.
4685 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
4687 * data/glr.c (yysplitStack): A little stylistic rewrite.
4689 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
4691 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
4693 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
4695 * doc/bison.texinfo: Fix some typos.
4696 (GLR Semantic Actions): New subsection discussing special
4697 considerations because GLR semantic actions might be deferred.
4698 (Actions): Mention look-ahead usage of yylval.
4699 (Actions and Locations): Mention look-ahead usage of yylloc.
4700 (Special Features for Use in Actions): Add YYEOF entry and mention it
4701 in the yychar entry.
4702 In the yychar entry, remove mention of the local yychar case (pure
4703 parser) since this is irrelevant information when writing semantic
4704 actions and since it's already discussed in `Table of Symbols' where
4705 yychar is otherwise described as an external variable.
4706 In the yychar entry, don't call it the `current' look-ahead since it
4707 isn't when semantic actions are deferred.
4708 In the yychar and yyclearin entries, add note about deferred semantic
4710 Add yylloc and yylval entries discussing look-ahead usage.
4711 (Look-Ahead Tokens): When discussing yychar, don't call it the
4712 `current' look-ahead, and do mention yylval and yylloc.
4713 (Error Recovery): Cross-reference `Action Features' when mentioning
4715 (Table of Symbols): In the yychar entry, don't call it the `current'
4717 In the yylloc and yylval entries, mention look-ahead usage.
4719 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
4721 * tests/glr-regression.at: Update copyright year to 2006.
4723 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4725 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
4726 use during nondeterministic operation to track which stacks have
4727 actually needed the current lookahead.
4728 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
4729 Allocate, deallocate, resize, and otherwise shuffle space for
4730 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
4731 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
4732 appropriately during nondeterministic operation.
4733 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
4734 members to store the current lookahead to be used by the deferred
4736 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
4737 from which the RHS is taken. Set the lookahead members of the new
4738 yySemanticOption according to the lookahead status for stack yyk.
4739 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
4740 yyaddDeferredAction.
4741 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
4742 members of yySemanticOption before invoking yyuserAction, and then set
4743 them back to their current values afterward.
4744 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
4745 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
4746 * tests/glr-regression.at: Remove `.' from the ends of recent test case
4747 titles for consistency.
4748 (Leaked merged semantic value if user action cuts parse): In order to
4749 suppress lint warnings, use arguments in merge function, and assign
4750 char value < 128 in main.
4751 (Incorrect lookahead during deterministic GLR): New test case.
4752 (Incorrect lookahead during nondeterministic GLR): New test case.
4754 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4756 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
4757 !yyvaluep as signal that no semantic value is available to print.
4758 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
4759 to print a semantic value.
4761 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
4763 * tests/glr-regression.at: For consistency with my newer test cases,
4766 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
4768 * data/glr.c (yyresolveValue): When merging semantic options, if at
4769 least one user action succeeds but a later one cuts the parse, then
4770 destroy the semantic value before returning rather than leaking it.
4771 (yyresolveStates): If a user action cuts the parse and thus
4772 yyresolveValue fails, ignore the (unset) semantic value rather than
4773 corrupting the yyGLRState, and empty the semantic options list since
4774 the user actions should have called all necessary destructors.
4775 Simplify code with YYCHK.
4776 * tests/glr-regression.at (Corrupted semantic options if user action
4777 cuts parse): New test case.
4778 (Undesirable destructors if user action cuts parse): New test case.
4779 Before applying any of this patch, this test case never actually failed
4780 for me... but only because the corrupted semantic options usually
4782 (Leaked merged semantic value if user action cuts parse): New test
4785 2006-01-05 Akim Demaille <akim@epita.fr>
4787 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
4789 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
4791 * data/c.m4 (b4_c_modern): New macro, with a new provision for
4792 _MSC_VER. Problem reported by Cenzato Marco.
4793 (b4_c_function_def): Use it.
4794 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
4796 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
4797 than rolling our own.
4799 2006-01-04 Akim Demaille <akim@epita.fr>
4801 Also warn about non-used mid-rule values.
4802 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
4804 (symbol_list_new): Adjust.
4805 * src/reader.c (symbol_typed_p): New.
4806 (grammar_rule_check): Use it.
4807 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
4809 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
4811 * tests/actions.at (Exotic Dollars): Adjust.
4813 2006-01-04 Akim Demaille <akim@epita.fr>
4815 * src/reader.c (grammar_midrule_action): If $$ is set in a
4816 mid-rule, move the `used' bit to its lhs.
4817 * tests/input.at (Unused values): New.
4818 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
4820 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
4822 * doc/bison.texinfo (Bison Options): Say more accurately what
4824 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
4825 about declarations in the grammar when in Yacc mode, as POSIX does
4826 not require a diagnostic when the grammar uses extensions.
4828 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
4830 Warn about dubious constructions like "%token T T".
4832 * src/symtab.h (struct symbol.declared): New member.
4833 * src/symtab.c (symbol_new): Initialize it to false.
4834 (symbol_class_set): New arg DECLARING, specifying whether
4835 this is a declaration that we want to warn about, if there
4836 is more than one of them. All uses changed.
4838 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
4839 Allow multiple %union directives, whose contents concatenate.
4840 * src/parse-gram.y (grammar_declaration): Likewise.
4841 Use muscle_code_grow, so that we don't need stype_line any more.
4844 * src/muscle_tab.c (muscle_grow): Fix comment.
4846 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
4847 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
4848 Update copyright year to 2006.
4850 2006-01-03 Akim Demaille <akim@epita.fr>
4852 Have glr.cc pass (some of) the calc.at tests.
4853 * data/glr.cc (b4_parse_param_orig): New.
4854 (b4_parse_param): Improve its definition, and bound it more
4855 clearly in the skeleton.
4856 (b4_epilogue): Append, instead of prepending, in order to keep
4858 Simplify the generation of auxiliary functions: locations and
4859 purity are mandated.
4860 (b4_global_tokens_and_yystype): Honor it.
4861 * data/location.cc (c++.m4): Don't include it.
4862 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
4864 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
4866 Be sure to initialize the first position's filename.
4867 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
4869 (AT_CHECK_CALC_GLR_CC): New.
4870 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
4872 2006-01-02 Akim Demaille <akim@epita.fr>
4874 * src/output.c (output_skeleton): Don't hard wire the inclusion of
4876 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
4877 * data/glr.cc: Do not include stack.hh.
4879 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
4881 * data/glr.c: Reformat whitespace with tabs.
4882 (b4_lpure_formals): Remove this unused m4 macro.
4883 * tests/cxx-type.at: Reformat whitespace with tabs.
4884 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
4885 since it's a member. Rename type to isNterm for clarity.
4887 2005-12-29 Akim <akim@sulaco.local>
4889 Let glr.cc catch up with symbol_value_print.
4890 * data/glr.cc (b4_yysymprint_generate): Replace by...
4891 (b4_yy_symbol_print_generate): this.
4892 (yy_symbol_print, yy_symbol_value_print): Declare them.
4894 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
4896 * src/location.h (boundary): Note that a line or column equal
4897 to INT_MAX indicates an overflow.
4898 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
4899 (rule_length_overflow, increment_rule_length, add_column_width):
4901 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
4902 (<SC_BRACED_CODE>"}"):
4903 Use increment_rule_length rather than incrementing it by hand.
4904 (adjust_location, handle_syncline): Diagnose overflow.
4905 (handle_action_dollar, handle_action_at):
4906 Fix bug with monstrosities like $-2147483648.
4907 Remove now-unnecessary checks.
4908 (scan_integer): Verify assumptions and remove now-unnecessary checks.
4909 (convert_ucn_to_byte): Verify assumptions.
4910 (handle_syncline): New arg LOC. All callers changed.
4911 Don't store through a value derived from char const * pointer.
4913 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
4916 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
4918 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
4919 Remove unnecessary forward static decls.
4921 2005-12-27 Akim Demaille <akim@epita.fr>
4923 * src/reader.c (grammar_current_rule_check): Also check that $$
4925 Take the rule to check as argument, hence rename as...
4926 (grammar_rule_check): this.
4927 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
4929 (grammar_rule_begin, grammar_rule_end): these, for consistency.
4930 (grammar_midrule_action, grammar_symbol_append): Now static.
4931 * tests/torture.at (input): Don't rely on the default action
4932 being always performed.
4933 * tests/calc.at: "Set" $$ even when the action is "cut" with
4935 * tests/actions.at (Exotic Dollars): Instead of using unused
4936 values, check that the warning is issued.
4938 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
4940 * NEWS: Improve wording for unused-value warnings.
4942 2005-12-22 Akim Demaille <akim@epita.fr>
4944 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
4945 (b4_yysymprint_generate): Rename as...
4946 (b4_yy_symbol_print_generate): this.
4947 Generate yy_symbol_print instead of yysymprint.
4948 Generate also yy_symbol_value_print, and use it.
4950 2005-12-22 Akim Demaille <akim@epita.fr>
4952 * NEWS: Warn about unused values.
4953 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
4955 (symbol_list_n_get, symbol_list_n_used_set): New.
4956 (symbol_list_n_type_name_get): Use symbol_list_n_get.
4957 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
4958 * src/reader.c (grammar_current_rule_check): Check that values are
4960 * src/symtab.c (symbol_print): Accept 0.
4961 * tests/existing.at: Remove the type information.
4963 Remove useless actions (beware of mid-rule actions: perl -000
4964 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
4965 * tests/actions.at (Exotic Dollars): Use unused values.
4966 * tests/calc.at: Likewise.
4967 * tests/glr-regression.at (No users destructors if stack 0 deleted):
4970 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
4973 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
4975 Undo 2005-12-01 tentative license wording change. The wording is
4976 still being reviewed by the lawyers, and we don't want to wait for
4977 them before publishing a test release. For now, revert to the
4979 * NEWS: Undo 2005-12-01 change.
4980 * data/glr.c: Revert to previous license wording.
4981 * data/glr.cc: Likewise.
4982 * data/lalr1.cc: Likewise.
4983 * data/location.cc: Likewise.
4984 * data/yacc.c: Likewise.
4986 * NEWS: Reword %destructor vs YYABORT etc.
4987 * data/glr.c: Use American spacing, for consistency.
4988 * data/glr.cc: Likewise.
4989 * data/lalr1.cc: Likewise.
4990 * data/yacc.c: Likewise.
4991 * data/yacc.c: Reformat comments slightly.
4992 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
4993 for consistency. Fix some spelling errors and reword recently-included
4995 * tests/cxx-type.at: Cast results of malloc, for C++.
4997 2005-12-21 Joel E. Denny <address@hidden>
4999 * tests/cxx-type.at: Construct a tree, count the parents of shared
5000 nodes, and free each node once and only once. Previously, the memory
5001 for semantic values was leaked instead.
5003 2005-12-21 Joel E. Denny <address@hidden>
5005 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
5006 (yylval, yylloc): If pure, #define to yystackp->yyval and
5007 yystackp->yyloc similar to yychar and yynerrs.
5008 (yyparse): If pure, remove local yylval and yylloc. Add local
5009 yystackp to accommodate pure definitions of yylval and yylloc.
5010 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
5011 yylvalp and yyllocp to &yylval and &yylloc.
5012 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
5013 namespace. Previously, nerrs and char were missing, but lval and lloc
5015 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
5016 yylvalp and yyllocp parameters since, if pure, these are now always
5017 accessible through yystackp. If not pure, they are still accessible
5019 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
5020 `if (YYID (N))' to pacify lint.
5022 2005-12-21 Akim Demaille <akim@epita.fr>
5024 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
5025 destroy the RHS symbols of a rule.
5026 * data/yacc.c (yylen): Initialize to 0.
5027 Keep its value to the number of items to possibly shift.
5028 In particular, a regular successful parse that ends on YYFINAL by
5029 a (internal) YYACCEPT must not have yylen != 0.
5030 (yyerrorlab, yyreturn): Pop the RHS.
5031 Reorder a bit to emphasize the `shifting' bits of code.
5032 (YYPOPSTACK): Now accept a number of items to pop.
5033 * data/lalr1.cc: Likewise.
5034 * data/glr.c: Formatting changes.
5035 Use goto instead of fall through.
5036 * doc/bison.texinfo (Destructor Decl): Complete.
5038 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5040 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
5041 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
5042 * djgpp/config.bat: Replace every occurence of the file name
5043 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
5044 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
5045 * djgpp/config.sed: Replace every occurence of the file name
5046 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
5047 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
5048 * djgpp/djunpack.bat: DJGPP specific file.
5049 * djgpp/fnchange.lst: DJGPP specific file.
5050 * djgpp/README.in: Add new information about how to unpack the bison
5051 source on MSDOS and other systems which have 8.3 file name restrictions
5052 using djunpack.bat and fnchange.lst.
5054 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
5056 * bootstrap (build_cvs_prefix): Remove; unused.
5057 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
5058 when getting gnulib.
5060 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
5062 * data/glr.c: Reorder typedef declarations for structs to match order
5063 of struct declarations.
5064 Rename yystack everywhere to yystackp except in yyparse where it's not
5066 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
5068 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
5069 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
5070 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
5073 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
5075 * tests/sets.at (Accept): Fix typos in regular expression used to
5076 sed out the final state number.
5078 Work around portability problem on Solaris 10: flex-generated
5079 files include <stdio.h> before <config.h>, which messes up
5080 because the latter defines __EXTENSIONS__. Address the problem
5081 by creating two new little files that include <config.h> first,
5082 then include the flex-generated files. Rewrite everyone else
5083 to include <config.h> first, as well.
5084 * lib/timevar.c: Always include "config.h".
5085 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
5086 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
5087 (EXTRA_bison_SOURCES): New macro.
5088 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
5089 * src/system.h: Don't include config.h.
5090 * src/LR0.c: Include <config.h> first.
5091 * src/assoc.c: Likewise.
5092 * src/closure.c: Likewise.
5093 * src/complain.c: Likewise.
5094 * src/conflicts.c: Likewise.
5095 * src/derives.c: Likewise.
5096 * src/files.c: Likewise.
5097 * src/getargs.c: Likewise.
5098 * src/gram.c: Likewise.
5099 * src/lalr.c: Likewise.
5100 * src/location.c: Likewise.
5101 * src/main.c: Likewise.
5102 * src/muscle_tab.c: Likewise.
5103 * src/nullable.c: Likewise.
5104 * src/output.c: Likewise.
5105 * src/parse-gram.y: Likewise.
5106 * src/print.c: Likewise.
5107 * src/print_graph.c: Likewise.
5108 * src/reader.c: Likewise.
5109 * src/reduce.c: Likewise.
5110 * src/relation.c: Likewise.
5111 * src/state.c: Likewise.
5112 * src/symlist.c: Likewise.
5113 * src/symtab.c: Likewise.
5114 * src/tables.c: Likewise.
5115 * src/uniqstr.c: Likewise.
5116 * src/vcg.c: Likewise.
5118 * src/parse-gram.y: Fix minor problems uncovered by lint.
5119 (current_lhs, current_lhs_location): Now static.
5120 (current_assoc): Remove unused variable.
5122 Cleanups so that Bison-generated parsers have less lint.
5123 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
5124 Prepend /*ARGSUSED*/, for lint's sake.
5125 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
5126 definition if 'lint' is defined.
5127 (YYID): New macro (or function, if lint).
5128 All uses of /*CONSTCOND*/0 replaced by YYID(0).
5129 * data/yacc.c: Likewise.
5130 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
5131 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
5132 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
5134 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
5135 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
5136 Use YYID(0) rather than 0, for lint.
5137 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
5138 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
5140 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
5142 * tests/glr-regression.at
5143 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
5144 Close memory leak reported by twlevo.
5146 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
5148 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
5150 (yyparse): Iterate another stack in order to call user destructors.
5151 * tests/glr-regression.at (No users destructors if stack 0 deleted):
5153 (Duplicated user destructor for lookahead): This test now is expected
5156 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
5158 * NEWS: Document the following change.
5159 * data/yacc.c: Say "parser skeleton" rather than "file", since
5160 it's no longer just a file.
5161 * data/glr.c: Grant a special exception for C GLR parsers, that
5162 reads like the already-existing exception for C LALR(1) parsers.
5163 * data/glr.cc: Likewise.
5164 * data/lalr1.cc: Likewise.
5165 * data/location.cc: Likewise.
5166 * data/yacc.c: Reword the "written by" statement to clarify that
5167 it was the parser skeleton, not the entire output file.
5168 * data/glr.c: Written by Paul Hilfinger.
5169 * data/glr.cc: Written by Akim Demaille.
5170 * data/lalr1.cc: Likewise.
5172 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
5174 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
5175 Fix typos in previous change that broke 'make check'.
5176 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
5178 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
5179 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
5180 We can revert this once things settle down.
5182 * src/conflicts.c (conflicts_print): Don't print file name twice
5183 when %expect fails because there were no conflicts.
5184 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
5186 * tests/conflicts.at (%expect not enough, %expect too much):
5187 (%expect with reduce conflicts): Adjust to new behavior.
5189 2005-11-18 Akim Demaille <akim@epita.fr>
5191 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
5193 * NEWS: Document this.
5194 * doc/bison.texinfo (Expect Decl): Likewise.
5196 2005-11-16 Akim Demaille <akim@epita.fr>
5198 Generalize the display of semantic values and locations in traces.
5199 * data/glr.c (yy_reduce_print): Fix indices (again).
5200 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
5202 * data/lalr1.cc (yyreduce_print): Rename as...
5203 (yy_reduce_print): this.
5204 Display values and locations.
5205 * data/yacc.c (yy_reduce_print): Likewise.
5206 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
5207 (yysymprint): Move higher to be visible from yy_reduce_print).
5209 * tests/calc.at: Adjust the expected length of the traces.
5211 2005-11-14 Akim Demaille <akim@epita.fr>
5213 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
5214 from 1 to N, while values and location start at 0.
5215 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
5217 2005-11-14 Akim Demaille <akim@epita.fr>
5219 * data/glr.c (yy_reduce_print): Fix the $ number.
5221 2005-11-14 Akim Demaille <akim@epita.fr>
5223 "Use" parse parameters.
5224 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
5225 * data/glr.c, data/glr.cc: Use them.
5226 * data/glr.c (YYUSE): Have a C++ definition that supports
5229 2005-11-14 Akim Demaille <akim@epita.fr>
5231 * data/glr.c (yyexpandGLRStack): Declare only if defined.
5233 2005-11-14 Akim Demaille <akim@epita.fr>
5236 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
5238 2005-11-12 Akim Demaille <akim@epita.fr>
5240 Let position and location be PODs.
5241 * data/location.cc (position::initialize, location::initialize): New.
5242 (position::position, location::location): Define only if
5243 b4_location_constructors is defined.
5244 * data/lalr1.cc (b4_location_constructors): Define it for backward
5246 * doc/bison.texinfo (Initial Action Decl): Use initialize.
5248 2005-11-12 Akim Demaille <akim@epita.fr>
5250 * data/lalr1.cc: Move the body of the ctor and dtor into the
5251 parser file (instead of the header).
5252 Wrap the implementations in a "namespace yy".
5254 2005-11-12 Akim Demaille <akim@epita.fr>
5256 Have glr.c include its header file when created.
5257 * data/glr.c (b4_shared_declarations): New.
5258 Output them verbatim in the parser if !%defines, otherwise
5259 output then in the header file, and include it instead.
5261 2005-11-11 Akim Demaille <akim@epita.fr>
5263 * data/glr.c: Comment changes.
5265 2005-11-11 Akim Demaille <akim@epita.fr>
5267 When yydebug, report semantic and location values for reductions.
5268 * data/glr.c (yy_reduce_print): Report the semantic values and the
5270 (YY_REDUCE_PRINT): Adjust.
5271 (yyglrReduce): Use them.
5272 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
5273 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
5274 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
5277 2005-11-10 Akim Demaille <akim@epita.fr>
5279 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
5280 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
5281 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
5283 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
5285 * m4/cxx.m4, examples/Makefile.am: Don't build
5286 examples/calc++ if no C++ compiler is available. (trivial change)
5288 2005-11-09 Akim Demaille <akim@epita.fr>
5290 * src/scan-skel.l: Use a couple of asserts.
5292 2005-11-03 Akim Demaille <akim@epita.fr>
5294 In some (weird) cases, the final state number is incorrect.
5295 Reported by Alexandre Duret-Lutz.
5296 * src/LR0.c (state_list_append): Remove the computation of
5298 (save_reductions): Do it here.
5299 (get_state): Alpha conversion.
5300 (generate_states): Use a for loop.
5301 * src/gram.h (item_number_is_rule_number)
5302 (item_number_is_symbol_number): New.
5303 * src/state.c: Use assert.
5304 * src/system.h: Include assert.h.
5305 * tests/sets.at (Accept): New.
5307 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
5309 * data/glr.c (yyfill): Adjust comment.
5310 (yyresolveAction): Initialize default location properly
5311 for empty right-hand sides.
5312 (yydoAction): Ditto.
5313 Add comment explaining apparently dead code.
5314 * tests/glr-regression.at
5315 (Incorrectly initialized location for empty right-hand side in GLR):
5318 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
5320 * bootstrap (cleanup_gnulib): New function. Use it to clean up
5321 gnulib when interrupted. This fixes some race conditions and
5322 works around some portability problems (one noted by Paul
5325 2005-10-22 Akim <akim@epita.fr>
5327 * Makefile.cfg: Adjust to config -> build-aux.
5330 2005-10-21 Akim Demaille <akim@epita.fr>
5332 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
5334 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
5335 * data/yacc.c (b4_Pure_if): Rename as...
5336 (b4_yacc_pure_if): this.
5337 (YY_SYMBOL_PRINT, yyparse): Adjust.
5338 * doc/bison.texinfo: Formatting changes.
5340 2005-10-21 Akim Demaille <akim@epita.fr>
5342 Finish the transition config -> build-aux.
5343 * configure.ac, Makefile.am: Use build-aux.
5344 * config/prev-version, config/announce-gen, config/Makefile.am:
5346 * build-aux/prev-version, build-aux/announce-gen,
5347 * build-aux/Makefile.am: here.
5349 2005-10-14 Akim Demaille <akim@epita.fr>
5351 * examples/calc++/test: Use set -x only when VERBOSE.
5353 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
5355 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
5356 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
5358 2005-10-13 Akim Demaille <akim@epita.fr>
5360 * src/scan-skel.l: Output the base name parts of the parser and
5362 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
5364 Use this to exercise C++ outputs in subdirs.
5365 Reported by Oleg Smolsky.
5367 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
5369 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
5370 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
5371 Problem reported by John P. Hartmann.
5372 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
5375 2005-10-12 Akim Demaille <akim@epita.fr>
5377 * src/parse-gram.y (version_check): Exit 63 to please missing
5378 (stands for "version mismatch).
5379 * tests/input.at, doc/bison.texinfo: Adjust.
5381 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
5383 Work around portability problems with Visual Age C compiler
5384 (xlc and xlC_r) reported by John P. Hartmann.
5385 * data/location.cc (initial_column, initial_line): Remove.
5386 All uses replaced by 0 and 1.
5387 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
5388 that xlc complains about.
5389 * src/scan-skel.l (skel_wrap): Likewise.
5390 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
5392 * data/yacc.c (YYMODERN_C): New macro, which also looks at
5393 __STDC_VERSION__. Use it everywhere instead of looking at
5394 __STDC__ and __cplusplus.
5396 2005-10-10 Akim Demaille <akim@epita.fr>
5398 * examples/calc++/test: Be quiet unless VERBOSE.
5400 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
5402 * data/c.m4 (yydestruct, yysymprint):
5403 Use YYUSE instead of casting to void.
5404 * data/glr.c (YYUSE): New macro.
5405 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
5406 Use it instead of rolling our own.
5407 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
5409 Use /*CONSTCOND*/ to suppress lint warnings.
5410 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
5411 (YY_STACK_PRINT): Use 'false' not '0'.
5413 (yysymprint_, yydestruct_): Use it instead of rolling our own.
5414 * data/yacc.c (YYUSE): New macro.
5415 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
5416 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
5417 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
5420 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
5421 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
5423 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
5425 Undo the parts of the unlocked-I/O change that substituted
5426 putc or puts for printf. This might hurt performance a bit,
5427 but some people prefer the printf style.
5428 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
5429 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
5430 All uses replaced by YYFPRINTF and YYDPRINTF.
5431 * data/yacc.c: Likewise.
5432 * lib/bitset.c (bitset_print): Likewise.
5433 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
5435 * lib/lbitset.c (debug_lbitset): Likewise.
5436 * src/closure.c (print_firsts, print_fderives): Likewise.
5437 * src/gram.c (grammar_dump): Likewise.
5438 * src/lalr.c (look_ahead_tokens_print): Likewise.
5439 * src/output.c (escaped_output): Likewise.
5440 (user_actions_output): Break apart two printfs.
5441 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
5442 * src/reduce.c (reduce_print): Likewise.
5443 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
5444 * src/system.h: Include unlocked-io.h rathe than stdio.h.
5446 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
5447 Use assignments rather than casts-to-void to suppress
5448 unused-variable warnings. This pacifies 'lint'.
5449 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
5450 unused-variable warnings.
5452 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5454 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
5456 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
5458 Use unlocked I/O for a minor performance improvement on hosts like
5459 GNU/Linux and Solaris that support unlocked I/O. The basic idea
5460 is to use the gnlib unlocked-io module, and to prefer putc and
5461 puts to printf when either will work (since the latter doesn't
5462 come in an unlocked flavor).
5463 * bootstrap (gnulib_modules): Add unlocked-io.
5464 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
5465 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
5466 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
5467 and similarly for puts and putc and printf.
5468 * data/yacc.c: Likewise.
5469 * lib/bitset.c (bitset_print): Likewise.
5470 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
5471 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
5473 * lib/lbitset.c (debug_lbitset): Likewise.
5474 * src/closure.c (print_firsts, print_fderives): Likewise.
5475 * src/gram.c (grammar_dump): Likewise.
5476 * src/lalr.c (look_ahead_tokens_print): Likewise.
5477 * src/output.c (escaped_output): Likewise.
5478 (user_actions_output): Coalesce two printfs.
5479 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
5480 * src/reduce.c (reduce_print): Likewise.
5481 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
5482 * src/system.h: Include unlocked-io.h rather than stdio.h.
5484 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
5485 this confuses xgettext.
5487 2005-10-02 Akim Demaille <akim@epita.fr>
5489 * bootstrap (gnulib_modules): Add strverscmp.
5490 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
5491 * m4/.cvsignore: Add strverscmp.m4.
5492 * src/parse-gram.y (%require): New token, new rule.
5493 (version_check): New.
5494 * src/scan-gram.l (%require): Adjust.
5495 * tests/input.at (AT_REQUIRE): New.
5497 * doc/bison.texinfo (Require Decl): New.
5498 (Calc++ Parser): Use %require.
5500 2005-10-02 Akim Demaille <akim@epita.fr>
5502 * data/location.cc: New.
5504 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
5505 Akim Demaille <akim@epita.fr>
5507 Make sure -odir/foo.cc creates dir/location.hh etc.
5508 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
5509 (spec_file_prefix, spec_verbose_file, spec_graph_file)
5510 (spec_defines_file): Now const.
5512 (short_base_name): Remove.
5513 * src/files.c: Adjust.
5514 (dirname.h): Include.
5515 (base_name): Don't prototype it.
5516 (finput): Remove, duplicates gram_in.
5517 (full_base_name, short_base_name): Replace by...
5518 (all_but_ext, all_but_tab_ext): these.
5519 (compute_base_names): Rename as...
5520 (compute_file_name_parts): this.
5521 Update to compute the new variables, including dir_prefix.
5522 Adjust dependencies.
5523 * src/output.c (prepare): Output them.
5524 * src/reader.c: Adjust to use gram_in, not finput.
5525 * src/scan-skel.l (@dir_prefix@): New.
5527 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5529 * lib/subpipe.c: New function end_of_output_subpipe() added
5530 to allow support for non-posix systems. This is a no-op function
5533 * lib/subpipe.h: New function end_of_output_subpipe() added
5534 to allow support for non-posix systems. This is a no-op function
5537 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
5538 handle the lack of pipe/fork functionality on non-posix systems.
5540 * djgpp/Makefile.maint: DJGPP specific file.
5542 * djgpp/README.in: DJGPP specific file.
5544 * djgpp/config.bat: DJGPP specific configuration file.
5546 * djgpp/config.sed: DJGPP specific configuration file.
5548 * djgpp/config.site: DJGPP specific configuration file.
5550 * djgpp/config_h.sed: DJGPP specific configuration file.
5552 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
5554 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
5556 2005-10-02 Akim Demaille <akim@epita.fr>
5558 * data/location.cc: New, extract from...
5559 * data/lalr1.cc: here.
5560 (location.hh): Include it after the user prologue, in case the
5561 filename type is defined by the user.
5562 Forward declation location and position before the pre-prologue.
5563 (yyresult_): Rename as...
5564 (yyresult): this, it's a local variable, not an attribute.
5565 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
5567 2005-10-01 Akim Demaille <akim@epita.fr>
5569 * examples/extexi: Restore the #line generation.
5571 2005-09-30 Akim Demaille <akim@epita.fr>,
5572 Alexandre Duret-Lutz <adl@gnu.org>
5574 Move the token type and YYSTYPE in the parser class.
5575 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
5576 (parser::token): New, from the moved free definition of tokens.
5577 (parser::semantic_value): Now a full definition instead of an
5578 indirection to YYSTYPE.
5579 (b4_post_prologue): No longer included in the header file, but
5580 in the implementation file.
5581 * doc/bison.texi (C+ Language Interface): Update.
5582 * src/parse-gram.y: Support unary %define.
5583 * tests/actions.at: Define global_tokens_and_yystype for backward
5584 compatibility until we update the tests.
5585 * tests/calc.at: Idem.
5586 (first_line, first_column, last_line, last_column): Define for lalr1.cc
5587 to simplify the code.
5589 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
5591 Port to SunOS 4.1.4, which lacks strtoul and strerror.
5592 Ah, the good old days! Problem reported by Peter Klein.
5593 * bootstrap (gnulib_modules): Add strerror, strtoul.
5594 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
5595 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
5597 2005-09-29 Akim Demaille <akim@epita.fr>
5599 * data/c.m4 (b4_error_verbose_if): New.
5600 * data/lalr1.cc: Use it.
5601 (YYERROR_VERBOSE_IF): Remove.
5602 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
5603 parser members, replaced by...
5604 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
5606 (yysyntax_error_): Takes the state number as argument.
5607 (yyreduce_print_): Use the argument yyrule, not the former
5610 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
5612 * bootstrap (gnulib_modules): Add verify.
5613 * lib/.cvsignore: Add verify.h.
5614 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
5615 * src/system.h (verify): Remove.
5616 Include verify.h instead.
5617 * src/tables.c (tables_generate): Use new API for 'verify'.
5619 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
5621 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
5622 local variables whose names begin with 'yy'.
5623 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
5624 Trivial changes from Joel E. Denny.
5626 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
5628 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
5629 don't use alloca any more.
5631 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
5632 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
5633 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
5634 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
5635 to match yacc.c, to test more hosts.
5637 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
5639 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
5640 doesn't affect behavior.
5641 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
5643 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
5644 This works a bit better with glibc, if user code has already included
5646 * doc/bison.texinfo (Bison Parser): Document that users can't
5647 arbitrarily use malloc and free for other purposes. Document
5648 that <alloca.h> and <malloc.h> might be included.
5649 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
5650 user must declare alloca.
5652 * HACKING (release): Forwarn the Translation Project about
5655 2005-09-20 Akim Demaille <akim@epita.fr>
5657 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
5659 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
5661 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
5662 (YYSTACK_ALLOC_MAXIMUM): Use it.
5663 (yysyntax_error): New function.
5664 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
5665 multiple syntax errors are reported, and alloca is being used.
5666 Instead, reallocate buffers twice as big each time, so that
5667 we waste at most half the allocated memory. Start with a small
5668 (128-byte) buffer that will suffice in most cases anyway.
5669 Use yysyntax_error to do most of the work.
5671 * doc/bison.texinfo (Error Reporting, Table of Symbols):
5672 yynerrs is the number of errors reported, not the number of
5675 * tests/glr-regression.at (Duplicated user destructor for lookahead):
5676 Mark it as expected to fail.
5677 Cast result of malloc; problem reported by twlevo@xs4all.nl.
5678 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
5679 Don't start user-code symbols with "yy", to avoid name space problems.
5681 2005-09-19 Akim Demaille <akim@epita.fr>
5683 Remove the traits, failed experiment.
5684 It never proved useful, and anyway because of the current
5685 definition, it was not possible to have several specialization of
5686 this traits, making it useless.
5687 * data/lalr1.cc (yy:traits): Remove.
5688 Inline its definitions in the parser class.
5690 2005-09-19 Akim Demaille <akim@epita.fr>
5692 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
5693 least Mac OSX with a /usr/local install of gettext.
5695 2005-09-19 Akim Demaille <akim@epita.fr>
5697 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
5698 and yytoken for similarity with the other skeletons.
5700 2005-09-19 Akim Demaille <akim@epita.fr>
5702 * NEWS, configure.ac: update version number to 2.1a.
5704 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
5706 * NEWS: Version 2.1.
5708 * NEWS: Remove notice of yytname change, since it was never in an
5710 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
5712 * src/output.c (prepare): Likewise.
5713 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
5714 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
5715 is not defined. This is an awful hack, but it's enough for now.
5716 All callers changed.
5717 * tests/glr-regression-at (make_value): Args are const pointers now,
5718 to avoid GCC warning.
5719 (Duplicated user destructor for lookahead): New test. Currently
5720 skipped. It fails on my host but I'm not sure it'll always fail.
5722 2005-09-16 Akim Demaille <akim@epita.fr>
5724 * src/symtab.h (struct symbol): Declare the printer and destructor
5725 as const, to avoid accidental calls to free.
5726 (symbol_destructor_set, symbol_printer_set): Adjust.
5727 * src/symtab.c: Adjust.
5729 2005-09-16 Akim Demaille <akim@epita.fr>
5731 * data/c.m4 (b4_token_enums): New.
5732 (b4_token_defines): Rename as...
5733 (b4_token_enums_defines): this.
5734 (b4_token_defines): New, output only the #defines.
5735 * data/yacc.c, data/glr.c: Adjust.
5736 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
5737 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
5740 2005-09-16 Akim Demaille <akim@epita.fr>
5742 * data/lalr1.cc (yylex_): Remove, inline its code.
5743 (yyreport_syntax_error_): Remove, replaced by...
5744 (yysyntax_error_): this which returns a string and leaves to the
5745 caller the call to the users' error function.
5746 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
5747 Move from members of the parser object...
5748 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
5749 to local variables of the parse function.
5751 2005-09-16 Akim Demaille <akim@epita.fr>
5753 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
5754 since it's in Bison's name space.
5756 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
5758 * data/glr.c (yyresolveValue): Add default case to pacify
5759 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
5761 * NEWS: Document when yyparse started to return 2.
5762 * doc/bison.texinfo (Parser Function): Document when yyparse
5765 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
5766 (b4_filename_type): Renamed back from b4_file_name_type. All uses
5768 (class position): file_name -> filename (reverting). All uses changed.
5770 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
5772 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
5773 do anything if $@ exists. This reverts part of the 2005-07-07
5776 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
5778 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
5779 contains obsolete information and isn't worth distributing as a
5780 separate file anyway.
5781 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
5782 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
5783 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
5784 (yyparse): Abort if user code uses longjmp to throw an unexpected
5787 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
5789 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
5790 Suggested by twlevo@xs4all.nl.
5792 * data/glr.c (YYCHK1): Do not assume YYE is in range.
5793 This avoids a diagnostic from gcc -Wswitch-enum.
5794 Problem reported by twlevo@xs4all.nl.
5796 * doc/bison.texinfo: Don't use "filename", as per GNU coding
5797 standards. Use "file name" or "file" or "name", depending on
5799 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
5800 not to hack/foo.tab.c.
5801 (Calc++ Top Level): 2nd arg of main is not const.
5802 * data/glr.c: b4_filename -> b4_file_name.
5803 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
5805 (class position): filename -> file_name. All uses changed.
5806 * data/yacc.c: b4_filename -> b4_file_name.
5807 * lib/bitset.h: filename -> file_name in local vars.
5808 * lib/bitset_stats.c: Likewise.
5809 * src/files.c: Likewise.
5810 * src/scan-skel.l ("@output ".*\n): Likewise.
5811 * src/files.c (file_name_split): Renamed from filename_split.
5812 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
5814 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
5816 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
5817 to accommodate latest gnulib.
5819 * tests/glr-regression.at (Duplicate representation of merged trees):
5820 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
5822 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
5825 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
5827 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
5828 All uses changed. Invoke user destructor after an error during a
5829 split parse (trivial change from Joel E. Denny).
5831 * tests/glr-regression.at
5832 (User destructor after an error during a split parse): New test case.
5833 Problem reported by Joel E. Denny in:
5834 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
5836 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
5838 * README-cvs: Give URLs for recommended tools.
5839 Mention Gzip version problem, and bootstrapping issues.
5840 Remove troubleshooting section, as it's somewhat obsolete.
5842 * bootstrap (no_cache): New var, to accommodate different wget
5843 variants. Use it instead of '-C off'. Problem reported by
5846 * data/glr.c (yydestroyStackItem): New function.
5847 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
5848 debugging information. Problem reported by Joel E. Denny.
5850 2005-08-25 Akim Demaille <akim@epita.fr>
5852 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
5854 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
5856 * data/glr.c (yyrecoverSyntaxError, yyreturn):
5857 Don't invoke destructor on unresolved entries.
5858 * tests/glr-regression.at
5859 (User destructor for unresolved GLR semantic value): New test case.
5860 Problem reported by Joel E. Denny in:
5861 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
5863 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
5865 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
5867 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
5868 lib-prefix.m4, po.m4.
5870 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
5871 in yydestruct diagnostic, since it might not be an error.
5872 Problem reported by Joel Denny near end of
5873 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
5874 * data/lalr1.cc (yyerturn): Likewise.
5875 * data/yacc.c (yyreturn): Likewise.
5876 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
5878 * src/files.c: Remove obsolete FIXME comment.
5880 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
5881 with the other templates, and to fix bogus run-on messages such
5882 as the one reported at the end of
5883 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
5884 All callers changed to avoid the newline.
5885 (yyprocessOneStack): Output two lines rather than one, to accommodate
5886 the above change. This changes the debug output format slightly.
5888 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
5889 reported by Joel E. Denny in
5890 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
5892 * tests/glr-regression.at (Duplicate representation of merged trees):
5893 New test, from Joel E. Denny in:
5894 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
5895 * THANKS: Add Joel E. Denny.
5897 * configure.ac (AC_INIT): Bump to 2.0c.
5899 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
5901 * NEWS: Version 2.0b.
5903 * Makefile.am (SUBDIRS): Put examples before tests, so that
5904 "make check" doesn't finish with "All 1 tests passed".
5906 * tests/regression.at (Token definitions): Don't rely on
5907 AT_PARSER_CHECK for data that contains backslashes. It currently
5908 uses 'echo', and 'echo' isn't portable if its argument contains
5909 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
5910 that the byte '\0xff' is not printable in the C locale; it is,
5911 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
5912 not printable, so use '\0x81' to test.
5914 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
5915 version of GCC, since the macro is used with non-GCC compilers.
5917 Fix core dump reported by Pablo De Napoli in
5918 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
5919 * tests/regression.at (Invalid inputs with {}): New test.
5920 * src/parse-gram.y (token_name): Translate type before using
5923 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
5924 the user's name space. All uses changed to __attribute__
5926 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
5927 Add __attribute__ ((__noreturn__)).
5929 * etc/clcommit: Remove. We weren't using it, and it failed
5930 "make maintainer-distcheck".
5931 * Makefile.maint: Merge from coreutils.
5932 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
5933 (syntax-check-rules): Change list of rules as described below.
5934 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
5935 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
5936 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
5937 (sc_trailing_space): New rules.
5938 (sc_xalloc_h_in_src): Remove.
5939 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
5940 (sc_space_tab, sc_error_exit_success, sc_changelog):
5941 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
5942 (makefile-check, po-check, author_mark_check):
5943 (makefile_path_separator_check, copyright-check):
5944 Use grep -n, to make it easier to find violations.
5945 Use CVS_LIST and CVS_LIST_EXCEPT.
5946 (header_regexp, h_re): Remove.
5948 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
5949 (my-distcheck): Use more-modern GCC flags.
5950 (signatures, %.asc): Remove.
5951 (rel-files, announcement): Remove signatures.
5952 Restore old updating code, even though we don't use it, so
5953 that we're the same as coreutils.
5954 (alpha, beta, major): Depend on news-date-check.
5955 Make the upload commands.
5957 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
5958 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
5959 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
5960 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
5961 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
5962 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
5963 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
5964 * tests/sets.at: Likewise.
5966 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
5967 we comment out the Autoconf version number.
5968 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
5969 it's error-prone and "make maintainer-distcheck" rejects it.
5971 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
5972 Indent calls to "error" to pacify "make maintainer-distcheck",
5973 when the calls are not intended to be translated.
5974 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
5976 * src/Makefile.am (DEFS): Use +=, to pacify
5977 "make maintainer-distcheck".
5978 (bison_SOURCES): Add scan-skel.h.
5979 (sc_tight_scope): New rule, from coreutils.
5981 * src/files.c (src_extension, header_extension):
5982 Now static, not extern.
5983 * src/getargs.c (short_options): Likewise.
5984 * src/muscle_tab.c (muscle_table): Likewise.
5985 * src/parse-gram.y (current_class, current_type, current_prec):
5987 * src/reader.c (grammar_end, previous_rule_end): Likewise.
5988 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
5989 * src/main.c (main): Cast bindtextdomain and textdomain calls to
5990 void, to avoid warning when NLS is disabled.
5991 * src/output.c: Include scan-skel.h.
5992 (scan_skel): Remove decl, since scan-skel.h does this.
5994 Indent calls to "error" to pacify "make maintainer-distcheck".
5995 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
5996 * src/reader.h (gram_end, gram_lineno): New decls to pacify
5997 "make maintainer-distcheck".
5998 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
5999 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
6000 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
6001 (skel_lex_destroy, scan_skel): Move these decls to...
6002 * src/scan-skel.h: New file.
6003 * src/uniqstr.c (uniqstr_assert):
6004 Indent calls to "error" to pacify "make maintainer-distcheck".
6006 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
6009 * tests/torture.at: Revamp to avoid misuse of atoi that
6010 "make maintainer-distcheck" complained about.
6012 * examples/extexi (message): Don't print a message more than once,
6013 and omit line-number decoration that makes Emacs compile think
6014 that informative messages are worth worrying about.
6016 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
6018 * configure.ac: Update version number.
6020 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
6022 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
6023 autogenerated by the maintainer.
6024 * examples/calc++/.cvsignore: Add *.yy.
6026 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
6027 * lib/bitset_stats.c (bitset_stats_init): Likewise.
6028 * lib/bitsetv.c (bitsetv_alloc): Likewise.
6030 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
6032 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
6033 from maintainer-distcheck about casting the argument of 'free'.
6035 * NEWS: Mention recent yytname changes.
6036 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
6038 * bootstrap: For translations that have not yet been upgraded to
6039 the new runtime-po domain, prime the pump by extracting the
6040 relevant strings from the obsolete translations. This code can be
6041 removed once the bison-runtime domain has been translated by each
6044 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
6045 now that token names are already quoted.
6047 Fix problem reported by Anthony Heading.
6048 * data/glr.c (YYTOKEN_TABLE): New macro.
6049 (yytname): Define if YYTOKEN_TABLE.
6050 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
6051 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
6052 (YYERROR_VERBOSE): Define the same way the other skeletons do.
6053 * src/output.c (prepare_symbols): Output token_table_flag.
6055 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
6057 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
6058 again if the first call fails.
6060 * data/glr.c (yytnamerr): New function.
6061 (yyreportSyntaxError): Use it to dequote most string literals.
6062 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
6063 with other skeletons. All uses changed.
6064 (yytnameerr_): New function.
6065 (yyreport_syntax_error): Use it to dequote most string literals.
6066 * data/yacc.c (yytnamerr): New function.
6067 (yyerrlab): Use it to decode most string literals.
6068 * doc/bison.texinfo (Decl Summary, Calling Convention):
6069 Clarify quoting convention of yytname.
6070 * src/output.c (prepare_symbols): Quote all names. This undoes
6071 the 2005-04-17 change, which is now accomplished (mostly) via
6072 changes in the parsers as described above.
6073 * tests/regression.at (Token definitions, Web2c Actions):
6074 Undo most 2005-04-17 change here, too.
6076 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
6078 Fix more problems reported by twlevo@xs4all.nl.
6079 * tests/cxx-type.at: Don't pipe output of ./types through sed to
6080 remove trailing spaces. This loses the exit status of ./types,
6081 and isn't needed since ./types shouldn't be emitting trailing
6083 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
6084 as the stack isn't valid in that case.
6086 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
6087 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
6088 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
6089 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
6091 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
6092 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
6093 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
6096 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
6097 overly-picky compilers that reject 'char *foo = "bar";'.
6099 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
6100 to FILE * parameter, not to stderr. This fixes a typo introduced
6101 in the 2005-07-12 change.
6103 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
6104 warnings from GCC 4.
6106 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
6107 (yyglrShiftDefer, yysplitStack):
6108 Remove unused parameters b4_pure_formals. All uses changed.
6109 (yyglrShift): Remove unused parameters b4_user_formals.
6111 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
6113 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
6115 Destructor cleanups and regularization among the three skeletons.
6116 * NEWS: Document the behavior changes.
6117 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
6118 stack before failing, as the cleanup code will do it for us now.
6119 * data/lalr1.cc (yyerrlab): Likewise.
6120 * data/glr.c (yyparse): Pop everything off the stack before
6121 freeing it, so that destructors get called properly.
6122 * data/lalr1.cc (yyreturn): Likewise.
6123 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
6124 This is more consistent.
6125 * doc/bison.texinfo (Destructor Decl): Mention more reasons
6126 why destructors might be called. 1.875 -> 2.1.
6127 (Destructor Decl, Decl Summary, Table of Symbols):
6128 Some English-language cleanups for %destructor.
6129 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
6130 Add output line for destructor of start symbol.
6131 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
6132 because of that same extra output line.
6134 * NEWS: Document minor wording changes in diagnostics of
6135 Bison-generated parsers.
6136 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
6137 Remove unused formals. All uses changed.
6138 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
6139 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
6140 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
6141 Rename yyoverflowab to yyexhaustedlab.
6142 When memory exhaustion occurs during syntax-error reporting,
6143 report it separately rather than in a single diagnostic; this
6145 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
6146 (Memory Exhausted): Renamed from Parser Stack Overflow.
6147 Revamp wording slightly to prefer "memory exhaustion".
6148 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
6150 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
6152 Add i18n support to the GLR skeleton. Partially fix the C++
6153 skeleton; a C++ expert needs to finish this. Remove debugging
6154 msgids; there's little point to having them translated, since they
6155 can be understood only by someone who can read the
6156 (English-language) source code.
6158 Generate runtime-po/bison-runtime.pot automatically, so that we
6159 don't have to worry about garbage getting in that file. We'll
6160 make sure after the next official release that old msgids don't
6162 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
6164 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
6166 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
6167 Fix typos in explanations of the runtime file.
6168 * bootstrap: Change gettext keyword from YYI18N to YY_.
6169 Use standard Makefile.in.in in runtime-po, since we'll arrange
6170 for backward-compatible bison-runtime.po files in a different way.
6171 * data/glr.c (YY_): New macro, from yacc.c.
6172 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
6173 Translate messages intended for users.
6174 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
6175 the wording in the other skeletons. We don't know that the memory
6177 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
6178 Use same method that yacc.c uses.
6179 Don't translate debugging messages.
6180 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
6181 it doesn't work (yet), and requires C++ expertise to fix.
6182 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
6183 Move defn to a more logical place, to be consistent with other
6185 Don't translate debugging messages.
6186 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
6187 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
6188 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
6189 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
6191 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
6192 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
6194 * tests/glr-regression.at (Badly Collapsed GLR States):
6196 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
6197 yylex should return 0 at EOF rather than aborting.
6199 Improve tests for stack overflow in GLR parser.
6200 Problem reported by twlevo@xs4all.nl.
6201 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
6203 (yyStackOverflow): Just longjmp, but with value 2 so that caller
6204 can handle the problem.
6205 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
6206 (yyparse): New local variable yyresult to record the result.
6207 Use result of setjmp to set it, rather than storing itinto
6209 (yyDone): Remove label.
6210 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
6211 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
6212 if YYABORT is used).
6213 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
6214 yyparse status; put status > 1 into diagnostic.
6215 Check that status==2 works.
6216 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
6217 Use exit status 3 for failure to open (which shouldn't happen).
6219 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
6221 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
6222 1 on syntax error; just let yyparse do its thing.
6223 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
6224 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
6225 (Exploding the Stack Size with Alloca):
6226 (Exploding the Stack Size with Malloc):
6227 Expect exit status 2, not 1, since the parser is supposed to blow
6228 its stack. Problem reported by twlevo@xs4all.nl.
6230 * data/glr.c (yyparse): Don't assume that the initial calls
6231 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
6232 Print a stack-overflow message and fail instead.
6233 Initialize the line-number information before creating the stack,
6234 so that the stack-overflow message can report line zero safely.
6236 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
6238 Fix problems reported by twlevo@xs4all.nl.
6239 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
6240 (yyuserMerge): Provide a default case if b4_mergers is empty.
6241 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
6242 * tests/glr-regression.at
6243 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
6244 Add casts to pacify C++ compilers.
6245 * tests/glr-regression.at (Improper merging of GLR delayed action
6246 sets): Declare yylex before using it.
6247 * tests/Makefile.am (maintainer-check-g++): Fix a stray
6248 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
6249 test for valgrind; valgrind is independent of g++.
6250 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
6251 for compatibility with POSIX 1003.1-2001 (if running coreutils).
6252 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
6253 Use a destructor, so that we can expand the stack. Change
6254 YYSTYPE to char * so that we can free it. Cast result of malloc.
6256 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
6258 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
6259 a valgrind failure. Problem reported by twlevo@xs4all.nl.
6261 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
6263 * PACKAGING: New file, suggested by Bruno Haible and taken from
6264 similar wording in gettext's PACKAGING file.
6265 * NEWS: Mention PACKAGING.
6266 * Makefile.am (EXTRA_DIST): Add PACKAGING.
6268 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
6270 * NEWS: Document recent i18n improvements.
6271 * bootstrap: Get runtime translations into runtime-po.
6272 Create runtime-po files automatically, if possible.
6273 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
6274 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
6275 does not infringe on the user's name space.
6276 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
6277 * doc/bison.texinfo (Internationalization): Revamp the English
6278 and Texinfo syntax a bit, to try to make it clearer.
6279 (Bison Options, Option Cross Key): Mention --print-localedir.
6280 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
6281 YYENABLE_NLS. Quote a bit more.
6282 * runtime-po/.cvsignore: New file.
6283 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
6284 * runtime-po/Rules-quot: Remove; now created by bootstrap.
6285 * runtime-po/quot.sed: Likewise.
6286 * runtime-po/boldquot.sed: Likewise.
6287 * runtime-po/en@quot.header: Likewise.
6288 * runtime-po/en@boldquot.header: Likewise.
6289 * runtime-po/insert-header.sin: Likewise.
6290 * runtime-po/remove-potcdate.sin: Likewise.
6291 * runtime-po/Makevars: Likewise.
6292 * runtime-po/LINGUAS: Likewise.
6293 * runtime-po/de.po: Likewise; we will rely on the translation project
6294 to maintain this, so "bootstrap" should get it.
6295 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
6297 * src/main.c (main): Bind the bison-runtime domain, too.
6299 2005-07-12 Bruno Haible <bruno@clisp.org>
6301 * data/yacc.c: Include <libintl.h> when NLS is enabled.
6302 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
6303 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
6304 * runtime-po: New directory.
6305 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
6306 $(DOMAIN).pot-update rule, so that old messages are never dropped.
6307 * runtime-po/Rules-quot: New file, copied from po/.
6308 * runtime-po/quot.sed: Likewise.
6309 * runtime-po/boldquot.sed: Likewise.
6310 * runtime-po/en@quot.header: Likewise.
6311 * runtime-po/en@boldquot.header: Likewise.
6312 * runtime-po/insert-header.sin: Likewise.
6313 * runtime-po/remove-potcdate.sin: Likewise.
6314 * runtime-po/Makevars: New file.
6315 * runtime-po/POTFILES.in: New file.
6316 * runtime-po/LINGUAS: New file.
6317 * runtime-po/bison-runtime.pot: New file.
6318 * runtime-po/de.po: New file.
6319 * m4/bison.m4: New file.
6320 * Makefile.am (SUBDIRS): Add runtime-po.
6321 (aclocaldir, aclocal_DATA): New variables.
6322 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
6324 * src/getargs.c (usage): Document --print-localedir option.
6325 (PRINT_LOCALEDIR_OPTION): New enum item.
6326 (long_options): Add --print-localedir option.
6327 (getargs): Handle --print-localedir option.
6328 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
6329 (Internationalization): New section.
6331 2005-07-12 Akim Demaille <akim@epita.fr>
6333 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
6334 for consistency with the rest of the code.
6335 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
6338 2005-07-12 Akim Demaille <akim@epita.fr>
6340 * src/parse-gram.y: Use %printer instead of YYPRINT.
6342 2005-07-12 Akim Demaille <akim@epita.fr>
6344 * src/symtab.h, src/symtab.c (symbol_print): New.
6345 * src/symlist.h, src/symlist.c (symbol_list_print): New.
6346 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
6348 2005-07-12 Akim Demaille <akim@epita.fr>
6350 * data/glr.c (b4_syncline): Fix (swap) the definitions of
6351 b4_at_dollar and b4_dollar_dollar.
6353 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
6355 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
6356 and Pennello's paper.
6358 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
6360 * data/yacc.c (yyparse): Undo previous patch. Instead,
6361 set yylsp[0] and yyvsp[0] only if the initial action
6362 sets yylloc and yylval, respectively.
6364 * data/yacc.c (yyparse): In the initial action, set
6365 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
6366 This avoids the use of undefined variables if the initial
6367 action does not set yylloc and/or yylval.
6369 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
6371 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
6372 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
6373 Remove from CVS. These files are automatically generated.
6374 * examples/extexi: Clarify that this file is now part of Bison,
6375 not GNU M4, and that it works with any POSIX-compatible Awk.
6376 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
6377 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
6378 so that we also get calc++-parser.yy. Geneate it.
6379 Use $(AWK), not gawk, since any conforming Awk will do.
6380 Put comment before action, since older 'make' can't handle comment
6382 $(BUILT_SOURCES): List all built sources, not just some of them.
6383 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
6384 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
6385 $($(calc_sources_generated)): Remove unnecessary test for existence
6386 of target. (This had a shell syntax error anyway; a stray "x".)
6387 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
6389 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
6391 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
6392 implied by the other modules.
6394 2005-07-06 Akim Demaille <akim@epita.fr>
6396 Bind examples/calc++ to the package.
6397 * examples/calc++/Makefile: Remove, replaced by...
6398 * examples/calc++/Makefile.am: ... this new file.
6399 * examples/calc++/test: Remove input.
6400 * examples/calc++/compile: Remove.
6401 * examples/Makefile.am: New.
6402 * configure.ac, Makefile.am: Adjust.
6403 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
6405 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
6407 * data/glr.c (yyFail): Drastically simplify; since the format argument
6408 never had any % directives, we can simply pass it to yyerror.
6409 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
6410 be modified later, as that is the usual style in glr.c.
6411 Problems reported by Paul Hilfinger.
6413 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
6414 and size overflow errors.
6415 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
6416 in case the user prolog sets feature-test macros like _GNU_SOURCE.
6417 (YYSIZEMAX): New macro.
6418 (yystpcpy): New function, taken from yacc.c.
6419 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
6420 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
6421 so that we don't have to maintain their signatures.
6422 (yyFail): Check for buffer overflow, by using vsnprintf rather
6423 than vsprintf. Allocate a bigger buffer if possible.
6424 Report an error if buffer allocation fails.
6425 (yyStackOverflow): New function.
6426 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
6427 the initialization was successful. It might fail if storage was
6429 (yyexpandGLRStack): Add more checks for storage allocation failure.
6430 Use yyStackOverflow to report failures.
6431 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
6432 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
6433 Don't assume stack number fits in int.
6434 (yysplitStack): Check for storage allocation failure.
6435 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
6436 can print diagnostics on storage allocation failure. All callers
6438 (yyresolveValue): Use yybool for boolean.
6439 (yyreportSyntaxError): Check for size-calculation overflow.
6440 This code is taken from yacc.c.
6441 (yyparse): Check for storage allocation errors when allocating
6444 2005-07-05 Akim Demaille <akim@epita.fr>
6446 Extract calc++ from the documentation.
6447 * doc/bison.texinfo (Calc++): Add the extraction marks.
6448 * examples/extexi: New, from the aborted GNU Programming 2E.
6449 Separate the different paragraph of a file with empty lines.
6450 * examples/Makefile: Use it to extract the whole calc++ example.
6452 2005-06-24 Akim Demaille <akim@epita.fr>
6454 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
6457 2005-06-22 Akim Demaille <akim@epita.fr>
6459 * doc/bison.texinfo (C++ Language Interface): First stab.
6460 (C++ Parsers): Remove.
6462 2005-06-22 Akim Demaille <akim@epita.fr>
6464 * data/lalr1.cc (yylex_): Honor %lex-param.
6466 2005-06-22 Akim Demaille <akim@epita.fr>
6468 Start a set of simple examples.
6469 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
6470 * examples/calc++/calc++-driver.hh,
6471 * examples/calc++/calc++-parser.yy,
6472 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
6473 * examples/calc++/compile, examples/calc++/test: New.
6475 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
6477 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
6478 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
6479 which stems from the 2005-05-27 patch.
6481 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
6483 * data/glr.c: Modify treatment of unused parameters to permit use
6484 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
6486 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
6488 Fix infringement on user name space reported by Janos Zoltan Szabo.
6489 * data/yacc.c (yyparse): strlen -> yystrlen.
6491 2005-05-30 Akim Demaille <akim@epita.fr>
6493 * data/lalr1.cc (_): New.
6494 Translate the various messages.
6496 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
6498 Fix infringement on user name space reported by Bruno Haible.
6499 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
6500 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
6501 the user's name space.
6502 (alloca): Include <stdlib.h> to get it, if it's not built in.
6503 (YYMALLOC, YYFREE): Define only if needed.
6504 (malloc, free): Declare, but only if needed, as this infringes on
6505 the user name space.
6507 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
6509 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
6510 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
6512 * lib/ebitset.c (min, max): Undef before defining.
6513 * lib/vbitset.c (min, max): Likewise.
6514 * lib/subpipe.c (create_subpipe): Save local variables in case
6515 vfork clobbers them.
6517 2005-05-24 Bruno Haible <bruno@clisp.org>
6519 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
6520 error message syntax used by gcc-4.0.
6522 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
6524 * README: Mention m4 1.4.3. Remove obsolete advice about
6525 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
6527 * bootstrap: Remove workaround for problem I encountered with
6528 gettext 0.14.1; it seems to be fixed now.
6530 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
6532 * NEWS: Version 2.0a.
6534 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
6535 the previous change.
6537 Various maintainer cleanups.
6538 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
6539 conftest*, for benefit of CVS commands run at the same time as
6540 "configure". Add build-aux, since "bootstrap" now creates it and
6542 * Makefile.cfg (move_if_change): Remove.
6543 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
6544 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
6545 (po_repo, do-po-update, po-update, wget_files, get-targets):
6546 (config.guess-url_prefix, config.sub-url_prefix):
6547 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
6548 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
6549 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
6551 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
6552 this is now the recommended name.
6553 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
6554 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
6555 ylwrap. These files now go into build-aux.
6556 * config/move-if-change: Remove.
6557 * config/prev-version.txt: Bump from 1.75 to 2.0.
6559 * bootstrap: Add stdio-safer, unistd-safer modules.
6560 Remove m4/glibc2.m4 (introduced by latest gnulib, but
6562 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
6563 fopen-safer.c, stdio-safer.h, unistd-safer.h.
6564 * lib/subpipe.c: Include "unistd-safer.h".
6565 (create_subpipe): Make sure all the newly-created
6566 file descriptors are > 2, so that diagnostics don't
6567 get sent down them (which might cause Bison to hang, in theory).
6568 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
6569 * src/files.c (xfopen): Use fopen_safer, not fopen.
6571 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
6572 yesterday's yacc.c fix.
6574 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
6576 * data/glr.c, data/lalr1.cc: Update copyright date.
6578 Fix a destructor bug reported by Wolfgang Spraul in
6579 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
6580 * data/yacc.c (yyabortlab): Don't call destructor, and
6581 don't set yychar to EMPTY.
6582 (yyoverflowlab): Don't call destructor.
6583 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
6584 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
6585 since we no longer output the message "discarding lookahead token
6588 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
6590 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
6591 fix a small glitch in debugging output.
6592 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
6593 after YY_SYMBOL_PRINT where needed.
6595 (struct yyGLRState): Add some comments.
6596 (struct yySemanticOption): Add some comments.
6597 (union yyGLRStackItem): Add comment.
6599 (yymergeOptionSets): Correct this to properly perform the union,
6600 avoiding infinite reported by Michael Rosien.
6603 * tests/glr-regression.at: Add test for GLR merging error reported
6606 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
6608 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
6609 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
6610 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
6611 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
6612 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
6613 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
6614 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
6615 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
6616 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
6617 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
6618 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
6619 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
6620 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
6621 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
6622 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
6623 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
6624 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
6625 src/derives.h, src/files.c, src/files.h, src/getargs.c,
6626 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
6627 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
6628 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
6629 src/output.h, src/parse-gram.c, src/parse-gram.h,
6630 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
6631 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
6632 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
6633 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
6634 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
6635 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
6636 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
6637 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
6638 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
6639 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
6640 tests/reduce.at, tests/regression.at, tests/sets.at,
6641 tests/synclines.at, tests/testsuite.at, tests/torture.at:
6642 Update FSF postal mail address.
6644 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
6646 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
6647 Problem reported by Ralf Menzel.
6649 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
6651 * tests/actions.at: Test that stack overflow invokes destructors.
6652 From Marcus Holland-Moritz.
6653 * data/yacc.c (yyerrlab): Move the code that destroys the stack
6655 (yyreturn): to here. That way, destructors are called properly
6656 even if the stack overflows, or the user calls YYACCEPT or
6657 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
6658 (yyoverflowlab): Destroy the lookahead.
6660 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
6662 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
6664 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
6666 * NEWS: Bison-generated C parsers no longer quote literal strings
6667 associated with tokens.
6668 * src/output.c (prepare_symbols): Don't escape strings,
6669 since users don't want to see C escapes.
6670 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
6672 * tests/input.at (Torturing the Scanner): Likewise.
6673 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
6675 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
6677 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
6678 the data size is known to be too small and we can't increase it.
6679 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
6681 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
6683 * src/parse-gram.y: Include quotearg.h.
6684 (string_as_id): Quote $1 before using it as a key, since the
6685 lexer no longer quotes it for us.
6686 (string_content): Don't strip quotes, since lexer no longer
6688 * src/scan-gram.l: Include quotearg.h.
6690 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
6691 a key, since the rest of the lexer doesn't quote it.
6692 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
6693 * tests/regression.at (Token definitions): Check for backslashes
6696 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
6697 (YYSIZE_T): Define to unsigned long int when using an older compiler.
6698 (yyparse): Revamp code to generate long syntax error message, to
6699 make it easier to translate, and to avoid problems with arithmetic
6700 overflow. Change "virtual memory" to "memory" in diagnostic, since
6701 we don't know whether the memory is virtual.
6703 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
6705 * NEWS: Bison-generated C parsers now use the _ macro to
6707 * data/yacc.c (_) [!defined _]: New macro.
6708 All English strings wrapped inside this macro.
6709 * doc/bison.texinfo (Bison Parser): Document _.
6710 * po/POTFILES.in: Include src/parse-gram.c, since it now
6711 includes translateable strings that parse-gram.y doesn't.
6713 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
6715 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
6716 reverting the 2004-10-11 change to this function.
6717 (symbol_check_alias_consistency): Don't call symbol_type_set
6718 if the type name is already correct.
6719 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
6721 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
6723 * tests/regression.at (Token definitions): Don't use a token named
6724 c, as that generates a "#define c ..." that runs afoul of buggy
6725 stdlib.h that uses the identifier c as a member of struct
6726 drand48_data. Problem reported by Horst Wente.
6728 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
6730 * bootstrap: Change translation URL from
6731 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
6732 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
6733 redirection glitches. Problem reported by twlevo@xs4all.nl.
6735 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
6737 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
6738 after operands; POSIX says this isn't portable for the c99 command.
6740 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
6742 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
6743 immediately if a data overrun has occurred; this may help us track
6744 down what may be a spurious failure on MacOS.
6746 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
6748 Respond to problems reported by twlevo@xs4all.nl.
6750 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
6752 * src/vcg.h: Comment fix.
6753 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
6754 (G_CMAX): Change to -1 instead of INT_MAX.
6756 * data/yacc.c (yyparse): Omit spaces before #line.
6758 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
6760 * src/tables.c (state_number_to_vector_number): Put it inside an
6761 "#if 0", since it's not currently used. Problem reported by
6764 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
6766 * src/output.c (escaped_output): Renamed from
6767 escaped_file_name_output, since we now use it for symbol tags as
6768 well. All uses changed.
6769 (symbol_destructors_output, symbol_printers_output):
6770 Escape symbol tags too.
6771 Problem reported by Matyas Forstner in
6772 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
6774 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
6776 * src/output.c (user_actions_output, token_definitions_output,
6777 symbol_destructors_output, symbol_printers_output): Likewise.
6778 * src/reader.c (prologue_augment): Likewise.
6779 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
6781 * src/vcg.c (output_edge): Don't quote linestyle arg.
6782 Problem reported by twlevo@xs4all.nl.
6784 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
6786 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
6787 example, reported by Derek M Jones. Also, make the example even
6788 more outrageous, to better illustrate how bad the problem is.
6790 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
6792 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
6793 putsym. Typo reported by Sebastian Piping.
6795 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
6797 * doc/bison.texinfo (Language and Grammar): some -> same
6798 (Epilogue): int he -> in the
6799 Typos reported by Sebastian Piping via Justin Pence.
6801 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
6803 * tests/glr-regression.at (Improper handling of embedded actions
6804 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
6805 embedded actions and $-N in GLR parsers", work around an Autoconf bug
6806 with dollar signs in test names.
6807 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
6808 for a similar reason.
6810 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
6812 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
6813 wants to redefine G_VIEW.
6815 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
6817 * src/vcg.c (get_view_str): Remove case for normal_view.
6818 Problem reported by twlevo@xs4all.nl.
6820 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
6822 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
6823 Problem reported by twlevo@xs4all.nl.
6825 * doc/bison.texinfo: Change @dircategory from "GNU programming
6826 tools" to "Software development". Requested by Richard Stallman
6829 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
6831 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
6832 Problem reported by twlevo@xs4all.nl.
6834 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
6836 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
6837 keyword; it's not needed with modern compilers, and it doesn't
6838 affect correctness with older compilers. Suggested by
6841 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
6843 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
6844 gcc -Wswitch-default.
6845 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
6846 * data/yacc.c (yyparse): Likewise.
6848 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
6850 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
6851 already. Let config.h define any nonstandard values.
6853 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
6855 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
6856 for the benefit of slower hosts. Problem reported by
6859 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
6861 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
6862 being defined and not used.
6863 * data/lalr1.cc (yyparse): Likewise.
6864 Use "if (false)" rather than "if (0)".
6866 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
6868 * TODO: Mention that we should allow NUL bytes in tokens.
6870 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
6872 * src/scan-skel.l (<<EOF>>): Don't close standard output.
6873 Problem reported by Hans Aberg.
6875 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
6877 * src/getargs.c (version): Happy new year; update overall
6878 program copyright date from 2004 to 2005.
6880 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
6881 Problem reported by Hans Aberg.
6882 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
6883 (Output file names.): Add a test for the case when standard output
6886 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
6888 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
6889 to fix an oversight in the Bison 2.0 manual.
6891 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
6893 * NEWS: Version 2.0. Reformat the existing news items since
6894 1.875, so that related items are grouped together.
6895 * configure.ac (AC_INIT): Bump version to 2.0.
6896 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
6898 * tests/torture.at (Exploding the Stack Size with Alloca): Set
6899 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
6900 otherwise, we're not testing alloca. Unfortunately there's no
6901 simple way to consult HAVE_ALLOCA here.
6903 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
6906 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
6907 hand. This avoids a warning about comparing int to size_t when
6908 GCC warnings are enabled.
6910 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
6912 * NEWS: Bison-generated parsers no longer default to using the
6913 alloca function (when available) to extend the parser stack, due
6914 to widespread problems in unchecked stack-overflow detection.
6915 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
6916 responsibility to set it to a positive value. This lets the user
6917 specify a value that is not a preprocessor constant.
6918 * data/yacc.c (YYMAXDEPTH): Likewise.
6919 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
6920 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
6921 to be a compile-time constant. However, explain the constraints on it.
6922 Also, explain the constraints on YYINITDEPTH.
6923 (Table of Symbols): Explain that alloca is no longer the default.
6924 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
6927 * doc/bison.texinfo (Location Default Action): Mention that n must
6928 be zero when k is zero. Suggested by Frank Heckenbach.
6930 2004-12-22 Akim Demaille <akim@epita.fr>
6932 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
6933 (parser::state_type, parser::semantic_type, parser::location_type):
6934 Private, not public.
6935 (parser::parse): Return ints, not bool.
6936 Returning a bool introduces a problem: 0 corresponds to false, and
6937 it seems weird to return false on success. Returning true changes
6938 the conventions for yyparse.
6939 Alternatively we could return void and send an exception.
6940 There is no clear consensus (yet?).
6941 (state_stack, semantic_stack, location_stack): Rename as...
6942 (state_stack_type, semantic_stack_type, location_stack_type): these.
6943 Private, not public.
6944 * tests/c++.at: New.
6945 * tests/testsuite.at, tests/Makefile.am: Adjust.
6947 2004-12-21 Akim Demaille <akim@epita.fr>
6949 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
6951 2004-12-21 Akim Demaille <akim@epita.fr>
6953 Don't impose std::string for filenames.
6955 * data/lalr1.cc (b4_filename_type): New.
6956 (position::filename): Use it.
6957 (parser.hh): Move the inclusion of stack.hh and location.hh below
6958 the user code, so that needed headers for the filename type can be
6960 Forward declare them before the user code.
6961 * tests/Makefile.am (check-local, installcheck-local): Pass
6962 TESTSUITEFLAGS to the TESTSUITE.
6964 2004-12-20 Akim Demaille <akim@epita.fr>
6966 Use more STL like names: my_class instead of MyClass.
6968 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
6969 (SemanticStack, SemanticType, StateStack, StateType)
6970 (TokenNumberType, Stack, Slice, Traits, Parser::location)
6971 (Parser::value): Rename as...
6972 (location_stack, location_type, rhs_number_type, semantic_stack)
6973 (semantic_type, state_stack, state_type, token_number_type, stack)
6974 (slice, traits, parser::yylloc, parser::yylval): these.
6976 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
6978 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
6980 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
6981 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
6983 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
6985 Remove uses of 'short int' and 'unsigned short int'. This raises
6986 some arbitrary limits. It uses more memory but nowadays that's
6987 not much of an issue.
6989 This change does not affect the generated parsers; that's a different
6990 task, as some users will want to conserve memory there.
6992 Ideally we should use size_t to represent all object counts, and
6993 something like ptrdiff_t to represent signed differences of object
6994 counts; but that will require more code-cleanup than I have the
6995 time to do right now.
6997 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
6998 Use size_t, not int or short int, to count objects.
6999 * src/closure.c (nritemset, closure): Likewise.
7000 * src/closure.h (nritemset, closure): Likewise.
7001 * src/nullable.c (nullable_compute): Likewise.
7002 * src/print.c (print_core): Likewise.
7003 * src/print_graph.c (print_core): Likewise.
7004 * src/state.c (state_compare, state_hash): Likewise.
7005 * src/state.h (struct state): Likewise.
7006 * src/tables.c (default_goto, goto_actions): Likewise.
7008 * src/gram.h (rule_number, rule): Use int, not short int.
7009 * src/output.c (prepare_rules): Likewise.
7010 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
7011 errs, reductions): Likewise.
7012 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
7014 * src/tables.c (vector_number, tally, action_number,
7015 ACTION_NUMBER_MINIMUM): Likewise.
7016 * src/output.c (muscle_insert_short_int_table): Remove.
7018 2004-12-17 Akim Demaille <akim@epita.fr>
7020 * data/lalr1.cc: Extensive Doxygenation.
7021 (error_): Rename as...
7022 (error): this, since it is visible to the user.
7024 (Parser::message): Now an automatic variable from...
7025 (Parser::yyreport_syntax_error_): here.
7026 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
7028 * tests/input.at: Escape $.
7030 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
7032 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
7033 Parenthesize rhs to avoid obscure problems with mistakes like
7034 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
7035 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
7036 b4_rhs_location): Likewise.
7037 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
7038 b4_rhs_location): Likewise.
7040 2004-12-16 Akim Demaille <akim@epita.fr>
7042 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
7043 yacc.c: be sure to stay within yycheck_.
7044 * tests/actions.at: Re-enable C++ tests.
7046 2004-12-16 Akim Demaille <akim@epita.fr>
7048 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
7051 2004-12-16 Akim Demaille <akim@epita.fr>
7053 Use #define to handle the %name-prefix.
7055 * data/glr.c, data/yacc.c: Comment changes.
7056 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
7057 so that one can refer to yylex in the parser file, and have it
7058 renamed, as is the case with other skeletons.
7060 2004-12-16 Akim Demaille <akim@epita.fr>
7062 Move lalr1.cc internals into yy*.
7064 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
7065 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
7066 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
7067 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
7068 (empty_, final_, terror_, errcode_, ntokens_)
7069 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
7070 (looka_, ilooka_, error_range_, nerrs_):
7072 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
7073 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
7074 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
7075 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
7076 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
7077 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
7078 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
7079 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
7082 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
7084 Fix some problems reported by twlevo at xs4all.
7085 * src/symtab.c (symbol_new): Report an error if the input grammar
7086 contains too many symbols. This is better than calling abort() later.
7087 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
7088 (struct node, struct graph):
7089 Rename member expand to stretch. All uses changed.
7090 (struct graph): Remove member layoutalgorithm. All uses removed.
7091 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
7092 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
7094 (N_STRETCH): Rename from N_EXPAND. All uses changed.
7096 2004-12-15 Akim Demaille <akim@epita.fr>
7098 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
7099 Add more Doxygen comments.
7100 (symprint_, stack_print_, reduce_print_, destruct_, pop)
7101 (report_syntax_error_, translate_): Rename as...
7102 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
7103 (yypop_, yyreport_syntax_error_, yytranslate_): this.
7105 2004-12-15 Akim Demaille <akim@epita.fr>
7107 * data/lalr1.cc (lex_): Rename as...
7109 Move the trace here.
7110 Take the %name-prefix into account.
7111 Reported by Alexandre Duret-Lutz.
7113 2004-12-15 Akim Demaille <akim@epita.fr>
7115 Simplify the C++ parser constructor.
7117 * data/lalr1.cc (debug_): Rename as...
7118 (yydebug_): so that the parser's internals are always in the yy*
7121 (b4_parse_param_decl): Remove the leading comma as it is now only
7122 called as unique argument list.
7123 (Parser::Parser): Remove the constructor accepting a location and
7124 an initial debugging level.
7125 Remove from the other ctor the argument for the debugging level.
7126 (debug_level_type, debug_level, set_debug_level): New.
7128 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
7131 2004-12-15 Akim Demaille <akim@epita.fr>
7133 Remove b4_root related material: failure experiment
7134 (which goal was to allow to derive from a class).
7136 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
7137 definitions and uses.
7139 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
7141 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
7142 not 2, since it's not portable to subtract 1 from the start of an
7143 array. The new item 0 is never set or used. All uses changed.
7145 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
7146 the default definition of YYLLOC_DEFAULT. Problem reported
7147 by Frank Heckenbach.
7149 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
7151 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
7152 the normal case and one for the error case. Just use the
7153 first one uniformly. Problem reported by Frank Heckenbach.
7154 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
7155 use exactly the same macro in both places.
7156 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
7157 so that the normal-case YYRHSLOC works for the error case too.
7159 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
7160 (YYLLOC_DEFAULT): Use the same macro as glr.c.
7161 * doc/bison.texinfo (Location Default Action): Don't claim that
7162 we have an array of locations. Use the same macro for both glr
7163 and lalr parsers. Mention YYRHSLOC. Mention what happens when
7166 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
7168 * HACKING: Update email addresses to send announcements to.
7170 * configure.ac (AC_INIT): Bump version to 1.875f.
7172 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
7174 * NEWS: Version 1.875e.
7175 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
7177 * src/scan-skel.l: Include "complain.h", for "fatal".
7179 * src/relation.h (relation_print, relation_digraph):
7180 Relation sizes are of type relation_node, not size_t (this is
7181 merely a doc fix, since the two types are equivalent).
7182 (relation_transpose): Relation sizes are of type relation_node,
7184 * src/relation.c: Likewise.
7185 (top, infinity): Now of type relation_node, not int.
7186 (traverse, relation_transpose): Use relation_node, not int.
7188 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
7189 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
7190 (yyparse): Remove unused local introduced in 2004-10-25 patch.
7192 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
7193 specifying whether the test should be skipped. Use it tp
7194 specify that the [%defines %skeleton "lalr1.cc"] tests currently
7195 fail on some hosts, and should be skipped.
7197 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
7199 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
7200 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
7201 unless otherwise specified below.
7203 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
7204 to allocate kernel_base, kernel_items, kernel_size, since
7205 they needn't be initialized to 0.
7206 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
7207 * src/closure.c (new_closure): Likewise, for itemset.
7208 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
7209 * src/lalr.c (set_goto_map): Likewise, for temp_map.
7210 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
7211 (build_relations): Likewise for edge, states1, includes.
7212 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
7213 * src/reader.c (packgram): Likewise, for ritem, rules.
7214 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
7215 * src/relation.c (relation_digraph): Likewise for VERTICES.
7216 (relation_transpose): Likewise for new_R, end_R.
7217 * src/symtab.c (symbols_token_translations_init): Likewise for
7219 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
7220 (token_actions): Likewise for yydefact, actrow, conflrow,
7222 (save_column): Likewise for froms[symno], tos[symno].
7223 (goto_actions): Likewise for state_count.
7224 (pack_table): Likewise for base, pos, check.
7225 (tables_generate): Likewise for width.
7227 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
7228 for initial core. Just have a separate core, so we needn't worry
7229 about whether kernel_size and kernel_base are initialized.
7231 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
7232 kernel_size, kernel_items): Remove unnecessary initialization.
7233 * src/conflicts.c (conflicts): Likewise.
7234 * src/derives.c (derives): Likewise.
7235 * src/muscle_tablc (muscle_insert): Likewise.
7236 * src/relation.c (relation_digraph): Likewise.
7237 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
7238 conflrow, conflict_table, conflict_list, table, check):
7241 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
7242 This is because all callers pass unsigned int.
7243 * src/closure.h (new_closure): Likewise.
7245 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
7246 (build_relations): Initialize includes[i] in all cases.
7247 * src/reader.c (packgram): Always initialize rules[ruleno].prec
7248 and rules[ruleno].precsym. Initialize members in order.
7249 * src/relation.c (relation_transpose): Always initialize new_R[i]
7251 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
7253 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
7254 conflict_list[0] was always 0, but now it isn't initialized.
7256 * src/table.c (table_grow): When conflict_table grew, the grown
7257 area wasn't cleared. Fix this.
7259 * lib/.cvsignore: Add strdup.c, strdup.h.
7260 * m4/.cvsignore: Add strdup.m4.
7262 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
7264 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
7265 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
7266 GOTO_NUMBER_MAXIMUM, since we occasionally compute
7267 ngotos + 1 without checking for overflow.
7268 (build_relations): Use END_NODE, not -1, to denote end of edges.
7269 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
7270 build_relations): Use goto_number, not int, for goto numbers.
7271 * src/tables.c (save_column, default_goto): Likewise.
7273 2004-11-23 Akim Demaille <akim@epita.fr>
7275 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
7276 of #defining from yystype.
7277 Don't typedef yystype, C++ does not need it.
7278 This lets it possible to forward declare it as union.
7280 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
7282 * bootstrap (gnulib_modules): Add extensions.
7283 Problem reported by Jim Meyering.
7285 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
7287 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
7288 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
7289 src/system.h, src/tables.c: XFREE -> free, to accommodate
7290 recent change to gnulib xalloc.h.
7291 Problem reported by Jim Meyering.
7293 2004-11-17 Akim Demaille <akim@epita.fr>
7295 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
7297 2004-11-17 Akim Demaille <akim@epita.fr>,
7298 Alexandre Duret-Lutz <adl@gnu.org>
7300 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
7303 Use it instead of cdebug_.
7304 (Parser::debug_stream, Parser::set_debug_stream): New.
7305 (Parser::symprint_): Define cdebug_ for temporary backward
7307 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
7310 2004-11-17 Akim Demaille <akim@epita.fr>
7312 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
7313 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
7314 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
7315 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
7317 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
7319 * data/glr.c (yyloc_default): Remove; not used.
7320 Problem reported by Frank Heckenbach.
7322 2004-10-25 Akim Demaille <akim@epita.fr>
7324 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
7325 Introduce another definition to address simple location arrays.
7326 (yyGLRStack): New member: yyerror_range.
7327 (yyrecoverSyntaxError, yyparse): Update it.
7328 (yyrecoverSyntaxError): Use it when shifting the error token to
7329 have an accurate range, equivalent to the one computed by both
7330 yacc.c and lalr1.cc.
7331 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
7332 that column numbers start at column 0, as per GNU Coding
7333 Standards, the others tests, and the doc.
7334 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
7335 Adjust to the above change (first column is 0).
7336 And adjust the location of the "<error>", now covering the whole
7339 2004-10-22 Akim Demaille <akim@epita.fr>
7340 and Paul Eggert <eggert@cs.ucla.edu>
7342 Remove some arbitrary limits on goto numbers and relations.
7343 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
7344 initial values, since they're never used.
7345 (set_goto_map): ngotos is now unsigned, so test for overflow
7346 by seeing whether it wraps around to zero.
7347 * src/lalr.h (goto_number): Now size_t, not short int.
7348 (GOTO_NUMBER_MAXIMUM): Remove.
7349 * src/relation.c (relation_print, traverse, relation_transpose):
7350 Check for END_NODE rather than looking at sign.
7351 * src/relation.h (END_NODE): New macro.
7352 (relation_node): Now size_t, not short int.
7354 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
7356 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
7357 keyword, not an identifier. Problem reported by Baron Schwartz in
7358 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
7360 2004-10-11 Akim Demaille <akim@epita.fr>
7362 * src/symtab.c (symbol_check_alias_consistency): Also check
7363 type names, destructors, and printers.
7364 Reported by Alexandre Duret-Lutz.
7365 Recode the handling of associativity and precedence in terms
7366 of symbol_precedence_set.
7367 Accept no redeclaration at all, not even equal to the previous
7369 (redeclaration): New.
7370 Use it to factor redeclaration complaints.
7371 (symbol_make_alias): Don't set the type of the alias, let
7372 symbol_check_alias_consistency do it as for other features.
7373 * src/symtab.h (symbol): Add new member prec_location, and
7375 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
7376 * tests/input.at (Incompatible Aliases): New.
7378 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
7380 .cvsignore fixes to accommodate gnulib changes,
7381 and the practice of naming build directories "_build".
7382 * .cvsignore: Add "_*". Sort.
7383 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
7384 * m4/.cvsignore: Add "*_gl.m4".
7386 2004-10-06 Akim Demaille <akim@epita.fr>
7388 * src/parse-gram.y (add_param): Fix the truncation of trailing
7391 2004-10-05 Akim Demaille <akim@epita.fr>
7393 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
7394 whether the reducion was empty or not. This leaves room to
7395 improve the use of YYLLOC_DEFAULT in such a case.
7396 lalr1.cc is still experimental, so changing this is acceptable.
7397 And finally, there are probably not many users who changed the
7398 handling of locations in GLR, so changing is admissible too.
7400 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
7401 empty reduction, set @$ to an empty location ending the previously
7403 Adjust uses to make sure the code is triggered on empty
7405 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
7406 expected output: empty reductions have empty locations.
7408 2004-09-29 Akim Demaille <akim@epita.fr>
7410 * data/lalr1.cc: Move towards a more standard C++ coding style
7411 for templates: Class < T > -> Class<T>.
7413 2004-09-29 Akim Demaille <akim@epita.fr>
7415 * data/lalr1.cc: Reinstall the former ctor, for sake of
7416 compatibility, but warn it will be removed.
7417 Move towards a more standard C++ coding style (i.e., type *var ->
7420 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
7422 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
7423 since it's less likely to work if NULs are involved in the future.
7425 2004-09-27 Akim Demaille <akim@epita.fr>
7427 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
7429 2004-09-27 Akim Demaille <akim@epita.fr>
7431 * data/lalr1.cc (b4_parse_param_decl_1): New.
7432 (b4_parse_param_decl): Use it to have different names between attribute
7434 (b4_cc_constructor_call): Likewise.
7436 2004-09-24 Akim Demaille <akim@epita.fr>
7438 * src/parse-gram.y (add_param): Strip the leading and trailing
7439 blanks from a formal argument declaration.
7440 (YY_LOCATION_PRINT): New.
7442 2004-09-24 Akim Demaille <akim@epita.fr>
7444 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
7447 2004-09-24 Akim Demaille <akim@epita.fr>
7449 * doc/bison.texinfo (Table of Symbols): Sort.
7451 2004-09-21 Akim Demaille <akim@epita.fr>
7453 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
7454 the useless parentheses.
7455 Suggested by Paul Eggert.
7457 2004-09-20 Akim Demaille <akim@epita.fr>
7459 Let the initial-action act on the look-ahead, and use it for the
7460 "initial push" (corresponding to an hypothetical beginning-of-file).
7461 And let lalr1.cc honor %initial-action.
7463 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
7465 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
7466 (Parser::Parser): Remove the ctor that used to initialize it.
7467 (Parser::parse): Like in the other skeletons, issue the "starting
7468 parse" message before any action.
7469 Honor %initial-action.
7470 Initialize the stacks with the lookahead.
7471 * data/yacc.c: Let $$ and @$ in %initial-action designate the
7473 Push them in the stacks.
7474 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
7476 2004-09-20 Akim Demaille <akim@epita.fr>
7478 * doc/bison.texinfo (Initial Action Decl): New.
7480 2004-09-20 Akim Demaille <akim@epita.fr>
7482 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
7483 clearer criterion to define it.
7484 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
7485 When reducing on an empty RHS, use the latest stacked location as
7487 yylloc is not always available.
7488 * data/glr.c: Likewise.
7489 Also, honor initial-actions.
7491 2004-09-20 Akim Demaille <akim@epita.fr>
7493 * data/yacc.c (YY_LOCATION_PRINT): New.
7494 Define when we know YYLTYPE's structure, i.e., when the default
7495 YYLLOC_DEFAULT is used.
7496 * data/c.m4 (b4_yysymprint_generate): Use it.
7497 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
7498 value of the result.
7499 (error_start_): Replace with...
7500 (error_range_): this location array.
7501 This allows to replace code relying on the implementation of
7502 locations by portable code.
7503 * data/yacc.c (yylerrsp): Replace with...
7504 (yyerror_range): this.
7505 Every time a token is popped, update yyerror_range[0], to have an
7506 accurate location for the error token.
7507 * data/glr.c (YY_LOCATION_PRINT): New.
7508 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
7509 deference a pointer.
7510 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
7511 report the location in %printers.
7513 * src/scan-skel.l: Instead of abort, report error messages to ease
7514 understanding skeleton scanning failures.
7516 2004-09-16 Akim Demaille <akim@epita.fr>
7518 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
7519 (iterator, const_iterator): these, to be more in the C++ spirit.
7520 Also, return reverse iterators so that when displaying the stack
7521 we display its bottom first.
7522 (Parser::stack_print_, Parser::reduce_print_): Match the messages
7524 We should probably use vector here though.
7526 2004-09-16 Akim Demaille <akim@epita.fr>
7528 Have more complete shift traces.
7530 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
7531 to report Shifts instead of ad hoc YYDPRINTF invocations,
7532 including for the error token.
7533 * data/lalr1.cc (symprint_): Output the location.
7534 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
7535 output the location within the %printer.
7536 Activate GLR tests, at least to make sure they compile properly.
7537 They still don't pass though.
7538 * tests/calc.at: Adjust expect verbose output, since now "Entering
7539 state..." is on a different line than the "Shifting" message.
7541 2004-09-08 Akim Demaille <akim@epita.fr>
7543 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
7544 Bison directive from the Bison file to the invocation of this
7545 macro, so that these directives are passed to
7546 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
7547 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
7548 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
7549 the extra Bison directives instead of the whole series.
7550 Change the grammar so that there are recoverable errors, and
7551 unrecoverable errors. Now we can have the parser give up before
7552 consuming the whole input. As a result we now can observe that
7553 the lookahead is freed when needed.
7554 Change the parser source to parse argv[1] instead of a hard coded
7556 Simplify yylex, and give a value and location to EOF.
7557 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
7558 passed directives already coded in the file.
7559 Add some tests to check the location of "error".
7560 For some tests, the C++ parser is correct, and not yacc.c.
7561 For other tests, they provide different, but unsatisfying, values,
7562 so keep the C++ value so that at least one parser is "correct"
7563 according to the test suite.
7564 (Actions after errors): Remove, this is subsumed by the
7565 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
7567 2004-09-06 Akim Demaille <akim@epita.fr>
7569 * data/lalr1.cc: Adjust the indentation of the labels.
7573 2004-09-06 Akim Demaille <akim@epita.fr>
7575 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
7576 argument, an informative message.
7577 Call YY_SYMBOL_PRINT.
7578 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
7579 * data/lalr1.cc (destruct_): Likewise.
7580 In addition, no longer depend on b4_yysymprint_generate and
7581 b4_yydestruct_generate to generate these functions, do it "by
7584 2004-09-03 Akim Demaille <akim@epita.fr>
7586 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
7587 invoked, yydestruct the lookahead.
7588 * tests/calc.at (Calculator $1): Update the expected lengths of
7589 traces: there is an added line for the discarded lookahead.
7590 * doc/bison.texinfo (Destructor Decl): Some rewording.
7591 Define "discarded" symbols.
7593 2004-09-02 Akim Demaille <akim@epita.fr>
7595 * data/lalr1.cc (translate_, destruct_): No reason to be static.
7597 2004-09-02 Akim Demaille <akim@epita.fr>
7599 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
7600 (YYDSYMPRINTF): Rename as...
7601 (YY_SYMBOL_PRINT): this.
7602 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
7604 Use it instead of direct symprint_ calls.
7605 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
7608 2004-09-02 Akim Demaille <akim@epita.fr>
7610 * data/lalr1.cc (b4_yysymprint_generate): New.
7611 (symprint_): New member function, defined when YYDEBUG.
7612 Use it consistently instead of token/nterm debugging output by
7614 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
7615 %printer calls to use cdebug_ when using lalr1.cc.
7617 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
7619 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
7620 with #ifdef YYDEBUG.
7622 2004-08-26 Akim Demaille <akim@epita.fr>
7624 * doc/bison.texinfo (Implementing Loops): Rename as...
7625 (Implementing Gotos/Loops): this.
7627 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
7629 Adjust to latest gnulib.
7630 * bootstrap (gnulib_modules): Add xalloc-die.
7631 Set LC_ALL=C so that file names sort consistently.
7632 Prefer the gnulib copies of gettext.m4, glibc21.m4,
7633 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
7634 uintmax_t.m4, ulonglong.m4.
7635 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
7636 po.m4 since we are now using _gl.m4 instead.
7638 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
7640 * src/scan-action.l: Remove. Scanning of semantic actions is
7641 handled in scan-gram.l.
7643 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
7645 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
7647 * src/location.h (struct): The file member is a uniqstr.
7648 (equal_boundaries): Use UNIQSTR_EQ for comparison.
7650 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
7652 Fix bug with non-%union parsers that have printers or destructors,
7653 which led to a Bison core dump. Reported by Peter Fales in
7654 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
7656 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
7657 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
7658 not to our own type.
7659 * src/output.c (symbol_destructors_output, symbol_printers_output):
7660 Don't assume %union.
7661 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
7662 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
7663 UNION-FLAG. All callers changed.
7664 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
7665 Use type char, not unsigned int, when declaring an array of char;
7666 this lets us remove a cast.
7667 (Printers and Destructors): Add non-%union test cases.
7669 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
7671 * doc/bison.texinfo: Minor editorial changes, mostly to the new
7672 GLR writeups. E.g., avoid frenchspacing and the future tense,
7673 change "lookahead" to "look-ahead", and change "wrt" to "with
7676 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
7678 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
7679 New sections, split off from the GLR Parsers section. Put the new
7680 Simple GLR Parser near the start of the GLR section, for clarity.
7681 Rewrite connective text.
7683 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
7685 * doc/bison.texinfo (Simple GLR Parsers): New section.
7687 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
7689 * NEWS, TODO, doc/bison.texinfo:
7690 Use "look-ahead" instead of "lookahead", to be consistent.
7691 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
7692 while we're fixing "look-ahead".
7693 * src/conflicts.c (shift_set): Renamed from shiftset.
7694 (look_ahead_set): Renamed from lookaheadset.
7695 * src/print.c: Likewise.
7696 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
7697 name for "lookahead".
7698 (report_types, usage): Likewise.
7699 * src/getargs.h (report_look_ahead_tokens): Renamed from
7701 * src/lalr.c (compute_look_ahead_tokens): Renamed from
7703 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
7704 (look_ahead_tokens_print): Renamed from lookaheads_print.
7705 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
7706 state_rule_lookaheads_print.
7707 * src/state.h: Likewise.
7708 (reductions.look_ahead_tokens): Renamed from lookaheads.
7709 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
7710 AT_DATA_LOOKAHEADS_GRAMMAR.
7712 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
7714 * README: Update location of patched M4 distribution.
7716 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
7718 Don't assume the C++ compiler takes the same arguments as the C compiler
7720 * configure.ac (O0CXXFLAGS): New var.
7721 * tests/atlocal.in (CXXFLAGS): Use it.
7723 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
7725 Fix some "make check" problems with C++ reported by
7726 Albert Chin-A-Young for Tru64 C++ in this thread:
7727 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
7729 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
7730 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
7731 Output to a .cc file for C++, not to a .c file.
7732 * tests/calc.at (AT_CHECK_CALC): Likewise.
7733 * tests/regression.at (AT_CHECK_DANCER): Likewise.
7734 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
7736 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
7738 * tests/calc.at, tests/actions.at: Workaround for SGI
7739 C++ compiler. (trivial change)
7741 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
7743 Spent a few hours checking out which prerequisite versions the
7744 current sources actually require. I went all the way back to
7745 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
7746 a seemingly endless set of combinations of versions more recent
7747 than that. The bottom line is that the current sources require
7748 fairly recent versions of the build tools, and it'll be some work
7750 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
7751 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
7752 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
7753 Add comments explaining why those particular versions are
7756 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
7757 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
7758 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
7760 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
7761 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
7763 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
7765 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
7766 0.11.5. Suggested by Bruno Haible.
7767 * bootstrap: Remove gettext version checking.
7769 * doc/bison.texinfo (Decl Summary): Also mention that %union
7770 can depend on prerequisite types. Problem reported by Tim
7773 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
7775 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
7776 * README-alpha: Don't tell people not to package this.
7778 * bootstrap: Don't assume $(...) works; use `...` instead.
7779 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
7782 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
7783 put into the -d output file, and mention what to do if YYSTYPE is
7786 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
7788 Undo change made earlier today: it caused autopoint to not bring
7789 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
7792 * bootstrap: Check that gettext version matches what's in
7793 configure.ac. Warn users to ignore robots.txt ERROR 404.
7794 * bootstrap: Undo today's earlier change (logged below).
7795 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
7797 The gettext version checking is causing more trouble than it's
7798 curing; remove it. Problem reported by Paul Hilfinger.
7800 * bootstrap: Issue a warning that one can expect a message
7801 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
7802 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
7804 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
7806 Ensure that the C++ compiler used for testing actually works on a
7807 simple test program; if not, skip the C++-related tests. Problem
7808 reported by Vin Shelton in:
7809 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
7811 * m4/cxx.m4: New file.
7812 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
7813 * tests/atlocal.in (BISON_CXX_WORKS): Add.
7814 * tests/local.at (AT_COMPILE_CXX): Use it.
7816 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
7818 * data/glr.c (yylloc): Output this macro even if locations are not
7819 being generated, as the GLR parser needs it even in that case.
7820 Problem reported by Troy A. Johnson
7821 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
7823 * configure.ac (AC_INIT): Update to 1.875e.
7825 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
7827 * NEWS: Version 1.875d.
7828 * configure.ac (AC_INIT): Likewise.
7829 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
7831 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
7832 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
7833 lalr1.cc runs afoul of the first, and the last two are no longer
7834 supported by GCC 3.4.0.
7835 * README: Mention GNU m4 1.4 or later; mention m4 patches.
7836 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
7838 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
7840 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
7841 unsigned int, for compatibility with latest gnulib hash module.
7842 * src/state.c (state_hash, state_hasher): Likewise.
7843 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
7844 * src/uniqstr.c (hash_uniqstr): Likewise.
7846 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
7848 * NEWS: Unescaped newlines are no longer allowed in char & strings.
7850 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
7851 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
7852 character and string literals.
7853 (unexpected_end): New function.
7854 (unexpected_eof): Use it.
7855 (unexpected_newline): New function.
7856 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
7859 * NEWS: Document %expect-rr.
7861 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
7862 Fix typo by replacing $1 with $option.
7863 Remove more 'intl'-related files.
7864 Don't DEFUN AM_INTL_SUBDIR twice.
7866 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
7867 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
7869 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
7870 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
7871 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
7872 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
7873 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
7874 * src/.cvsignore: Add *.output.
7876 * src/parse-gram.y: Put copyright notice inside %{ %} so it
7877 gets copied to the output file.
7879 2004-04-28 Paul Eggert <eggert@twinsun.com>
7881 Get files from the gnulib and po repositories, instead of relying
7882 on them being in our CVS. Upgrade to latest versions of gnulib
7885 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
7886 * bootstrap: Bootstrap from gnulib and po repositories.
7887 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
7888 * README-cvs: Document these changes. Remove version numbers from
7889 mentions of build tools, since they change so often. Mention Flex.
7891 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
7892 (gl_USE_SYSTEM_EXTENSIONS): Add.
7893 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
7894 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
7896 (AC_ISC_POSIX): Remove; we no longer support this
7897 ancient OS, as it gets in the way of latest Autoconf & gnulib.
7898 (AC_HEADER_STDC): Remove: we now assume C89 or better.
7899 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
7900 Do not check for C89 headers, except for locale.h which is used
7901 by the Yacc library and must port to K&R hosts.
7902 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
7903 Do not check for C89 functions, except for setlocale which is
7904 used by the Yacc library.
7905 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
7906 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
7907 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
7908 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
7909 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
7910 AM_GNU_GETTEXT): Remove; now done by:
7911 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
7912 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
7915 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
7916 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
7917 Define to empty, as gnulib.mk will do the rest for us.
7918 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
7920 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
7921 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
7923 * src/files.c: Include gnulib's xstrndup.h.
7925 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
7926 (REALLOC): Use xnrealloc, for likewise.
7927 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
7928 (strnlen, memrchr): Remove decls; functions no longer used.
7931 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
7932 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
7933 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
7934 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
7935 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
7936 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
7937 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
7938 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
7939 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
7940 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
7941 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
7942 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
7943 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
7944 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
7945 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
7946 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
7947 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
7948 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
7949 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
7950 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
7951 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
7952 Remove, as these files are now generated automatically
7953 by bootstrap or automake.
7955 * po/ChangeLog: Remove: all but one entry was a duplicate
7956 of this file, and I moved that 2000-11-02 entry here.
7958 * config/.cvsignore: Add Makefile, depcomp, install-sh.
7959 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
7960 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
7961 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
7962 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
7963 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
7964 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
7965 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
7966 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
7967 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
7968 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
7970 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
7971 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
7972 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
7973 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
7974 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
7975 * src/.cvsignore: Remove *_.c.
7978 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
7979 support it. (The latest stable gzip doesn't.)
7981 2004-04-27 Paul Eggert <eggert@twinsun.com>
7983 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
7984 case, as stos_ is now used by destructors due to the 2004-02-09
7987 Remove more K&R C support.
7988 * lib/libiberty.y (PARAMS): Remove. All uses removed.
7989 * lib/subpipe.c (errno): Remove decl.
7990 Include <stdlib.h> unconditionally.
7991 (EXIT_FAILURE): Remove macro.
7992 * src/complain.c (vfprintf, strerror): Remove.
7993 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
7995 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
7996 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
7997 (strchr, strspn, memchr): Remove decls.
7998 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
7999 unconditionally. Do not declare perror.
8000 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
8003 * src/complain.c (_): Remove useless defn, as system.h defines this.
8005 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
8006 with latest obstack.h.
8007 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
8008 to procedure types, as obstack.h now does that for us.
8009 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
8011 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
8012 so that this include file can stand alone.
8013 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
8014 does this now. Include subpipe.h first after config.h, to
8015 test whether it can stand alone.
8017 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
8018 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
8021 * tests/synclines.at (%union synch line): Put a dummy member in
8022 the union, because empty unions aren't allowed in C. Caught
8025 2004-04-13 Jim Meyering <jim@meyering.net>
8027 * src/conflicts.c (conflicts_print): Correct format string typo:
8028 use `%%' to produce literal `%'. (trivial change)
8030 2004-03-30 Paul Eggert <eggert@twinsun.com>
8032 * src/getargs.c (version): Update copyright year to 2004.
8034 * data/c.m4 (b4_int_type): Use 'short int' rather than
8035 'short', and similarly for 'long', 'unsigned', etc.
8036 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
8037 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
8038 yy_yypstack, yydumpstack): Likewise.
8039 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
8040 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
8042 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
8043 yy_stack_print, yyparse): Likewise.
8044 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
8045 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
8046 * lib/bitset.c (bitset_print): Likewise.
8047 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
8048 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
8049 * lib/bitsetv.c (bitsetv_dump): Likewise.
8050 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
8051 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
8053 * src/LR0.c (allocate_itemsets): Likewise.
8054 * src/gram.h (rule_number, rule): Likewise.
8055 * src/lalr.h (goto_number): Likewise.
8056 * src/nullable.c (nullable_compute): Likewise.
8057 * src/output.c (prepare_rules): Likewise.
8058 * src/relation.c (relation_print, relation_digraph): Likewise.
8059 * src/relation.h (relation_node): Likewise.
8060 * src/state.h (state_number, transitions, errs, reductions,
8061 struct state): Likewise.
8062 * src/symtab.h (symbol_number, struct symbol): Likewise.
8063 * src/tables.c (vector_number, tally, action_number,
8064 default_goto, goto_actions): Likewise.
8065 * tests/existing.at (GNU Cim Grammar): Likewise.
8066 * tests/regression.at (Web2c Actions): Likewise.
8068 * src/output.c (muscle_insert_short_int_table): Renamed from
8069 muscle_insert_short_table. All uses changed.
8071 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
8073 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
8074 (declaration): Replace expected_conflicts with expected_sr_conflicts.
8075 Add %expect-rr rule.
8077 * src/scan-gram.l: Recognize %expect-rr.
8079 * src/conflicts.h (expected_sr_conflicts): Rename from
8081 (expected_rr_conflicts): Declare.
8083 * src/conflicts.c (expected_sr_conflicts): Rename from
8085 (expected_rr_conflicts): Define.
8086 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
8088 Use expected_sr_conflicts in place of expected_conflicts.
8089 Warn if expected_rr_conflicts used in non-GLR parser.
8091 * doc/bison.texinfo: Add documentation for %expect-rr.
8093 2004-03-08 Paul Eggert <eggert@gnu.org>
8095 Add support for hex token numbers. Suggested by Odd Arild Olsen in
8096 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
8098 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
8100 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
8101 * src/scan-gram.l (scan_integer): New function.
8103 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
8104 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
8105 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
8106 Say "long int", not "long", for uniformity with GNU style.
8108 2004-02-25 Paul Eggert <eggert@twinsun.com>
8110 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
8111 compilers. This fixes a problem with Intel's C++ compiler being
8112 chatty, reported by Guido Trentalancia in
8113 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
8115 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
8117 Support %destructor and merge error locations in lalr1.cc.
8119 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
8120 (Parser::stos_): Define unconditionally.
8121 (Parser::destruct_): New method. Generate its body with
8122 b4_yydestruct_generate.
8123 (Parser::error_start_): New attribute.
8124 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
8125 token which are discarded.
8126 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
8127 error_start_ when erroneous token are discarded.
8128 (Parser::parse) <yyerrlab1>: Compute the location of the error
8129 token so that it covers all the discarded tokens.
8130 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
8131 it can be called with `%skeleton "lalr1.cc"', and do that.
8133 2004-02-02 Paul Eggert <eggert@twinsun.com>
8135 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
8136 $(top_srcdir)/lib and ../lib. This fixes a bug reported
8137 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
8138 There's no need to mention top_builddir since Automake does that
8140 (INCLUDES): Remove, as Automake says it's obsolescent.
8141 Contents migrated into AM_CPPFLAGS as described above.
8142 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
8144 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
8146 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
8147 (yyreportSyntaxError): Handle case where lookahead token is
8150 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
8152 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
8153 resulting parsers are compilable with C++.
8155 2003-12-23 Paul Eggert <eggert@twinsun.com>
8157 * config/depcomp, config/install-sh: Sync with Automake 1.8.
8158 * src/output.c (output_skeleton): Rename local var.
8159 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
8160 Bison tokens, as this runs afoul of the 2003-10-07 change that
8161 disallowed NUL bytes in character constants or string literals.
8163 * tests/local.at: Require Autoconf 2.59's Autotest.
8164 * tests/testsuite.at: Don't include local.at, since we now assume
8165 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
8167 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
8168 multiple inclusion warnings.
8170 2003-12-02 Akim Demaille <akim@epita.fr>
8172 * doc/bison.texinfo (How Can I Reset the Parser): More about start
8176 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
8178 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
8180 2003-10-07 Paul Eggert <eggert@twinsun.com>
8182 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
8183 if testsuite doesn't exist.
8185 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
8186 literals, unfortunately.
8187 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
8188 Complain about NUL bytes in character constants or string literals.
8190 2003-10-05 Paul Eggert <eggert@twinsun.com>
8192 * NEWS: Don't document %no-default-prec, as it's still
8194 * doc/bison.texinfo: Document %no-default-prec only if
8195 the defaultprec flag is set. Normally it's not.
8197 2003-10-04 Paul Eggert <eggert@twinsun.com>
8199 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
8200 non-modifiable lvalue, instead of a modifiable one.
8201 * doc/bison.texinfo (Actions): Document that $$ can
8202 be assigned to. Do not claim that $$ and $N are
8203 array element references: user code should not rely on this.
8205 2003-10-01 Paul Eggert <eggert@twinsun.com>
8207 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
8208 (grammar_declaration): Use it.
8209 * src/scan-gram.l: New token %no-default-prec.
8210 * tests/conflicts.at: Revamp tests to use %no-default-prec.
8211 * NEWS, doc/bison.texinfo: Document the above.
8213 2003-10-01 Akim Demaille <akim@epita.fr>
8215 VCG no longer supports long_straight_phase.
8217 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
8218 * src/print_graph.c (print_graph): Adjust.
8220 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
8221 and Paul Eggert <eggert@twinsun.com>
8223 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
8224 Table of Symbols): Document %default-prec.
8225 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
8226 (grammar_declaration): Set default_prec on %default-prec.
8227 * src/scan-gram.l (%default-prec): New token.
8228 * src/reader.h (default_prec): New flag.
8229 * src/reader.c: Likewise.
8230 (packgram): Handle it.
8231 * tests/conflicts.at (%default-prec without %prec,
8232 %default-prec with %prec, %default-prec 1): New tests.
8234 2003-09-30 Paul Eggert <eggert@twinsun.com>
8236 * tests/testsuite.at: Include local.at, not input.at, fixing
8237 a typo in the 2003-08-25 patch.
8239 2003-08-27 Akim Demaille <akim@epita.fr>
8241 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
8244 2003-08-26 Akim Demaille <akim@epita.fr>
8246 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
8247 "<\#" to avoid magic from Gnus when posting parts of this script.
8249 2003-08-26 Akim Demaille <akim@epita.fr>
8251 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
8252 (Parser::parse): here.
8253 Adjust: nerrs and errstatus is now replaced by...
8254 (Parser::nerrs_, Parser::errstatus_): New.
8256 2003-08-25 Akim Demaille <akim@epita.fr>
8258 * config/announce-gen, Makefile.cfg: New.
8259 * Makefile.am: Adjust.
8260 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
8261 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
8263 2003-08-25 Akim Demaille <akim@epita.fr>
8265 When reducing initial empty rules, Bison parser read an initial
8266 location that is not defined. This results in garbage, and that
8267 affects Bison's own parser. Therefore we need (i) to extend Bison
8268 to support a means to initialize this location, and (ii) to use
8269 this CVS Bison to fix CVS Bison's parser.
8271 * src/reader.h, reader.c (epilogue_augment): Remove, replace
8273 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
8274 * src/parse-gram.y: Adjust.
8275 (%initial-action): New.
8276 (%error-verbose): Since we require CVS Bison, there is no reason
8278 * src/scan-gram.l: Adjust.
8279 * src/Makefile.am (YACC): New, to make sure we use our own parser.
8280 * data/yacc.c (yyparse): Use b4_initial_action.
8282 2003-08-25 Akim Demaille <akim@epita.fr>
8284 * doc/bison.texinfo: Don't promote stdout for error messages.
8286 2003-08-25 Akim Demaille <akim@epita.fr>
8288 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
8289 From Alexandre Duret-Lutz.
8291 2003-08-25 Akim Demaille <akim@epita.fr>
8295 2003-08-25 Akim Demaille <akim@epita.fr>
8297 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
8300 2003-08-25 Akim Demaille <akim@epita.fr>
8302 * data/lalr1.cc (Parser::reduce_print_): New.
8305 2003-08-25 Akim Demaille <akim@epita.fr>
8307 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
8308 error recovery loops. This patch is based on
8309 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
8310 Also, augment the similarity between lalr1.cc and yacc.c.
8311 Note: the locations of error recovery rules are not correct yet.
8313 * data/lalr1.cc: Comment changes to augment the similarity between
8314 lalr1.cc and yacc.c.
8315 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
8316 (yyerrlab1): Remove, but where it used to be (now the bottom part of
8317 yyerrlab), when hitting EOF, pop the whole stack here instead of
8318 merely falling thru the default error handling mechanism.
8319 (yyerrorlab): New label, with the old contents of YYERROR,
8320 plus the following change: pop the stack of rhs corresponding
8321 to the production that invoked YYERROR. That is how Yacc
8322 behaves (required by POSIX).
8323 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
8326 2003-08-25 Akim Demaille <akim@epita.fr>
8328 Tune local.at so that people can "autom4te -l autotest calc.at -o
8329 calc" for instance, to extract a sub test suite.
8331 * tests/testsuite.at: Move the initialization, Autotest version
8332 requirement, and AT_TESTED invocation into...
8333 * tests/local.at: here.
8334 * tests/testsuite.at: Include it for compatibility with Autoconf
8336 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
8339 2003-08-04 Paul Eggert <eggert@twinsun.com>
8341 Rework code slightly to avoid gcc -Wtraditional warnings.
8342 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
8343 The returned value is now stored in *YY0. All callers changed.
8344 * src/output.c (merge_output): Adjust to the above change.
8346 2003-07-26 Paul Eggert <eggert@twinsun.com>
8348 * data/glr.c (YYASSERT): New macro.
8349 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
8350 yyresolveStates, yyprocessOneStack):
8351 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
8352 Derived from a suggestion by Frank Heckenbach.
8354 2003-07-25 Paul Eggert <eggert@twinsun.com>
8356 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
8357 for portability to K&R C (after ansi2knr, presumably). See
8358 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
8359 by Frank Heckenbach, though I have omitted the structure-initialization
8360 part of his glr-knr.diff patch since I recall that the Portable
8361 C Compiler didn't require that change.
8363 Let the user specify how to allocate and free memory.
8364 Derived from a suggestion by Frank Heckenbach in
8365 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
8366 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
8367 All uses of free, malloc, realloc changed to use these macros,
8368 and unnecessary casts removed.
8369 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
8371 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
8373 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
8374 use s.empty() rather than s == "" to test for empty string; see
8375 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
8378 2003-06-25 Akim Demaille <akim@epita.fr>
8380 * config/depcomp, config/install-sh: Update from masters.
8382 2003-06-20 Paul Eggert <eggert@twinsun.com>
8384 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
8385 and return properly parenthesized result.
8386 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
8387 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
8388 Remove unnecessary parentheses from uses.
8389 * doc/bison.texinfo (Location Default Action): Describe the
8390 conventions for parentheses.
8392 2003-06-19 Paul Eggert <eggert@twinsun.com>
8394 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
8395 yyreportTree): Do not assume that size_t is the same width as int,
8396 when printing sizes. Print sizes using an unsigned format.
8397 Problem reported by Frank Heckenbach in
8398 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
8400 Port to Forte Developer 7 C compiler.
8401 * data/glr.c (struct YYLTYPE): If locations are not being used,
8402 declare a single dummy member, as empty structs do not conform
8404 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
8405 the Forte Developer 7 C compiler complains that end-of-loop
8406 code is not reached.
8408 2003-06-17 Paul Eggert <eggert@twinsun.com>
8410 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
8411 avoid warnings from picky compilers about redefinition of PARAMS.
8413 2003-06-17 Paul Eggert <eggert@twinsun.com>
8417 * NEWS: Document 1.875b.
8419 * lib/bbitset.h: Do not include config.h; that's the includer's job.
8420 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
8421 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
8422 Don't use 'index' in comments, as it's a builtin fn on some hosts.
8423 * lib/bitset_stats.c: Include gettext.h unconditionally, as
8424 per recent gettext manual's suggestion.
8425 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
8426 Use prototypes, not old-style definitions.
8427 * lib/lbitset.c (lbitset_unused_clear): Likewise.
8428 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
8429 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
8430 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
8431 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
8432 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
8433 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
8434 vbitset_or_and_cmp, vbitset_copy): Likewise.
8436 * lib/libiberty.h: Do not include config.h; that's the includer's job.
8437 Do not include <stdlib.h>.
8438 (PARAMS): Define unconditionally for C89.
8439 (ATTRIBUTE_NORETURN): Remove.
8440 (ATTRIBUTE_UNUSED): Define unconditionally.
8442 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
8443 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
8444 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
8445 * lib/vbitset.c, lib/vbitset.h: New files.
8446 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
8447 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
8450 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
8451 `How Can I Reset @code{yyparse}', since texinfo does not allow
8452 arbitrary @ in node names.
8454 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
8455 shouldn't be needed according to the gettext 0.12.1 documentation
8456 but which seem to be needed anyway: codeset.m4 glibc21.m4
8457 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
8458 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
8459 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
8461 * lib/.cvsignore: Add stdbool.h.
8462 * m4/.cvsignore: Add nls.m4, po.m4.
8464 Upgrade to CVS gnulib.
8465 * stdbool_.h: File renamed from stdbool.h.in.
8466 * configure.ac (AM_STDBOOL_H): Invoke this instead of
8468 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
8469 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
8470 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
8471 (MOSTLYCLEANFILES): New var.
8472 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
8473 (stdbool.h): New rule.
8474 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
8475 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
8476 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
8477 m4/quote.m4: Upgrade to today's gnulib.
8479 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
8480 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
8481 the tests right now.
8482 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
8483 yyerror are declared before use; C99 requires this.
8485 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
8487 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
8489 (yyrecoverSyntaxError): Correct the logic for setting and testing
8491 Correct comment on handling EOF.
8492 Allow states with only a default reduction, rather than failing
8493 (I can't quite reconstruct why these were not allowed before).
8495 Fixes to avoid problem that $-N rules in GLR parsers can cause
8496 buffer overruns, corrupting state.
8498 * src/output.c (prepare_rules): Output max_left_semantic_context
8500 * src/reader.h (max_left_semantic_context): New variable declaration.
8501 * src/scan-gram.l (max_left_semantic_context): Define.
8502 (handle_action_dollar): Update max_left_semantic_context.
8503 * data/glr.c (YYMAXLEFT): New definition.
8504 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
8505 (yyresolveAction): Ditto.
8507 Fixes to problems with location handling in GLR parsers reported by
8508 Frank Heckenbach (2003/06/05).
8510 * data/glr.c (YYLTYPE): Make trivial if locations not used.
8511 (YYRHSLOC): Add parentheses, and define only if locations used.
8512 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
8514 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
8515 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
8517 * tests/cxx-type.at: Exercise location information; update tests
8518 to differentiate output with and without locations.
8519 Remove forward declarations of yylex and yyerror---caused errors
8520 because default YYLTYPE not yet defined.
8521 Change semantic actions to compute strings, rather than printing
8522 them directly (to test proper passing of semantics values). Change
8523 output to prefix notation and update test data and expected results.
8524 (yylex): Track locations.
8525 (stmtMerge): Return value rather than printing, and include arguments
8528 2003-06-03 Paul Eggert <eggert@twinsun.com>
8530 Avoid warnings generated by GCC 2.95.4 when Bison is
8531 configured with --enable-gcc-warnings.
8532 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
8533 yy::]b4_parser_class_name[::translate_,
8534 yy::Stack::operator[] (unsigned),
8535 yy::Stack::operator[] (unsigned) const,
8536 yy::Slice::operator[] (unsigned),
8537 yy::Slice::operator[] (unsigned) const):
8538 Rename local vars to avoid warnings.
8539 * tests/glr-regression.at (Improper handling of embedded actions
8540 and $-N in GLR parsers): Remove unused local variable from yylex.
8541 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
8542 (void) as arg when not pure, since we now assume C89 when building
8543 Bison. Pacify GCC by using parameter.
8545 2003-06-02 Paul Eggert <eggert@twinsun.com>
8547 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
8548 yy::Location::lines, yy::Location::columns): Rename arguments
8549 to avoid shadowing; this removes a warning generated by GCC 3.3.
8551 2003-06-01 Paul Eggert <eggert@twinsun.com>
8553 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
8554 to g++, as GCC 3.3 complains if you do it.
8555 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
8556 everything that WARNING_CFLAGS has, except omit warnings
8557 not suitable for C++.
8558 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
8559 * tests/atlocal.in (CXXFLAGS): New var.
8560 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
8562 Fix a GLR parser bug I reported in February; see
8563 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
8564 The problem was that GLR parsers did not conform to the C standard,
8565 because actions like { $1 = $2 + $3; } expanded to expressions
8566 that invoked YYFILL in separate subexpressions, and YYFILL assigned
8567 to a local variable. The C standard says that expressions
8568 like (var = f ()) + (var = f ()) have undefined behavior.
8569 Another problem was that GCC sometimes issues warnings that
8570 yyfill and its parameters are unused.
8572 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
8574 (yyfill): New function.
8576 (yyuserAction): Change type of yynormal to bool, so that it matches
8577 the new yyfill signature. Mark it as possibly unused.
8580 Follow up on a bug I reported in February, where a Bison-generated
8581 parser can loop. Provide a test case and a fix for yacc.c. I
8582 don't have a fix for lalr1.cc or for glr.c, unfortunately.
8583 The original bug report is in:
8584 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
8586 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
8587 macro's size was becoming unwieldy.
8588 (yyerrlab): Do not discard an empty lookahead symbol, as this
8589 might destroy garbage.
8590 (yyerrorlab): New label, with the old contents of YYERROR,
8591 plus the following change: pop the stack of rhs corresponding
8592 to the production that invoked YYERROR. That is how Yacc
8593 behaves, and POSIX requires this behavior.
8594 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
8595 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
8596 Define 'alarm' to do nothing if unistd.h is not available.
8597 Add a new rule "exp: '-' error;" to test the above change to
8598 data/yacc.c. Use 'alarm' to abort any test taking longer than
8599 10 seconds, as it's probably looping.
8600 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
8601 Also, the new yacc.c generates two fewer diagnostics for an
8604 2003-05-24 Paul Eggert <eggert@twinsun.com>
8606 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
8607 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
8608 This fixes a problem reported by John Bowman when the Compaq/HP
8609 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
8611 * data/yacc.c (union yyalloc): Likewise.
8612 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
8614 Switch from 'int' to 'bool' where that makes sense.
8616 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
8617 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
8618 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
8619 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
8620 Return or accept bool, not int. All callers changed.
8621 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
8622 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
8623 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
8624 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
8625 bitset_or_and_cmp_): Likewise.
8626 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
8627 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
8628 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
8629 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
8630 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
8631 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
8632 bitset_stats_or_and_cmp): Likewise.
8633 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
8634 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
8635 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
8636 ebitset_xor_cmp): Likewise.
8637 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
8638 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
8639 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
8640 lbitset_xor_cmp): Likewise.
8641 * lib/bbitset.h: Include <stdbool.h>.
8642 (struct bitset_vtable): The following members now return bool, not
8643 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
8644 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
8646 * src/conflicts.c (count_rr_conflicts): Likewise.
8647 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
8649 * lib/ebitset.c (ebitset_obstack_init): Likewise.
8650 * lib/lbitset.c (lbitset_obstack_init): Likewise.
8651 * src/getargs.c (debug_flag, defines_flag, locations_flag,
8652 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
8653 graph_flag): Likewise.
8654 * src/getargs.h (debug_flag, defines_flag, locations_flag,
8655 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
8656 graph_flag): Likewise.
8657 * src/output.c (error_verbose): Likewise.
8658 * src/output.h (error_verbose): Likewise.
8659 * src/reader.c (start_flag, typed): Likewise.
8660 * src/reader.h (typed): Likewise.
8661 * src/getargs.c (LOCATIONS_OPTION): New constant.
8662 (long_options, getargs): Use it.
8663 * src/lalr.c (build_relations): Use bool, not int.
8664 * src/nullable.c (nullable_compute): Likewise.
8665 * src/print.c (print_reductions): Likewise.
8666 * src/tables.c (action_row, pack_vector): Likewise.
8667 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
8668 * src/output.c (prepare): Use it.
8669 * src/output.c (token_definitions_output,
8670 symbol_destructors_output, symbol_destructors_output): Use string,
8671 not boolean integer, to keep track of whether to output separator.
8672 * src/print_graph.c (print_core): Likewise.
8673 * src/state.c (state_rule_lookaheads_print): Likewise.
8675 * config/install-sh: Sync from automake 1.7.5.
8677 2003-05-14 Paul Eggert <eggert@twinsun.com>
8679 * src/parse-gram.y (rules_or_grammar_declaration): Require a
8680 semicolon after a grammar declaration, in the interest of possible
8681 future changes to the Bison input language.
8682 Do not allow a stray semicolon at the start of the grammar.
8683 (rhses.1): Allow one or more semicolons after any rule, including
8684 just before "|" as required by POSIX.
8685 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
8688 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
8690 %parse-param support for lalr1.cc.
8692 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
8693 b4_cc_constructor_calls, b4_cc_constructor_call,
8694 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
8696 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
8697 parse-param arguments.
8698 (yy::b4_parser_class_name): Declare instance variables to
8699 hold parse-param arguments.
8700 * tests/calc.at: s/value/semantic_value/ because value clashes
8701 with a member of yy::b4_parser_class_name. Adjust C++ code
8702 to handle %parse-param. Enable %parse-param test in C++.
8704 2003-05-12 Paul Eggert <eggert@twinsun.com>
8706 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
8707 English a bit. Fix fclose typo. Change "const char" to "char
8708 const", and use ANSI C rather than K&R for "main". Suggest
8709 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
8710 and suggest yy_switch_to_buffer.
8712 2003-05-05 Paul Eggert <eggert@twinsun.com>
8714 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
8715 C89. This avoids a diagnostic on compilers that define __STDC__
8716 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
8717 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
8719 2003-05-03 Paul Eggert <eggert@twinsun.com>
8721 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
8722 Do not overrun array bounds.
8723 This should fix a bug reported today by Olatunji Oluwabukunmi in
8724 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
8726 2003-04-29 Akim Demaille <akim@epita.fr>
8728 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
8729 * src/getargs.c, src/getargs.h: here, as bool, not int.
8730 (nondeterministic_parser): New.
8731 * src/parse-gram.y, src/scan-gram.l: Support
8732 %nondeterministic-parser.
8733 * src/output.c (prepare): Use nondeterministic_parser instead
8734 of glr_parser where appropriate.
8735 * src/tables.c (conflict_row, action_row, save_row)
8736 (token_actions, token_actions, pack_vector): Ditto.
8738 2003-04-29 Akim Demaille <akim@epita.fr>
8740 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
8742 2003-04-29 Akim Demaille <akim@epita.fr>
8744 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
8745 with %pure-parser and %locations to exercise the patch from Yakov
8748 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
8750 * data/yacc.c: (b4_lex_param): Corrected for the case where
8751 %lex-param is provided and %pure-parser isn't.
8753 2003-04-27 Paul Eggert <eggert@twinsun.com>
8755 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
8756 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
8757 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
8758 if it is not defined.
8759 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
8761 2003-04-26 Paul Eggert <eggert@twinsun.com>
8763 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
8764 Declare to be of type suitable for the ninf value itself, not of
8765 type suitable for the corresponding table, since the latter might
8766 be unsigned but the ninf value might be negative. This fixes a
8767 bug reported by Alexandre Duret-Lutz in
8768 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
8770 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
8771 invokes it. We shouldn't invoke it twice because it will attempt
8772 to put error.o in the archive twice. This fixes a glitch reported
8773 by Martin Mokrejs in
8774 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
8776 2003-04-21 Paul Eggert <eggert@twinsun.com>
8778 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
8781 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
8783 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
8784 Fix obvious typo that results in uncompilable GLR parsers
8785 when both %pure-parser and %locations are used. (trivial change)
8787 2003-04-17 Paul Eggert <eggert@twinsun.com>
8789 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
8790 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
8791 Do not insert the expected token via unput, as this runs afoul
8792 of a POSIX-compatibility bug in flex 2.5.31.
8793 All uses changed to BEGIN the parent state,
8794 since we no longer insert the expected token via unput.
8795 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
8796 that is no longer emitted after the above change.
8798 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
8799 the first one. This change is from Paul Hilfinger, and it fixes
8800 regression reported by Werner Lemberg in
8801 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
8803 (resolve_sr_conflict): Don't invoke state_errs_set
8804 unless one or more tokens have been explicitly made errors.
8805 Otherwise, the above change causes Bison to abort.
8807 * tests/existing.at (GNU pic Grammar): New test case, taken from
8810 2003-03-31 Akim Demaille <akim@epita.fr>
8812 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
8814 2003-03-31 Akim Demaille <akim@epita.fr>
8816 * src/output.c (prepare_symbols): Avoid trailing spaces in the
8819 2003-03-31 Akim Demaille <akim@epita.fr>
8821 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
8822 From Paul Hilfinger.
8824 2003-03-29 Akim Demaille <akim@epita.fr>
8826 * m4/error.m4: Do not put under dynamic conditions some code which
8827 expansion is under static control.
8829 2003-03-29 Akim Demaille <akim@epita.fr>
8831 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
8833 2003-03-29 Akim Demaille <akim@epita.fr>
8835 * doc/bison.texinfo (Strings are Destroyed): New.
8837 2003-03-13 Paul Eggert <eggert@twinsun.com>
8839 * .cvsignore: Add configure.lineno.
8840 * src/.cvsignore: Add yacc.
8841 * tests/.cvsignore: Add testsuite.log.
8842 * doc/fdl.texi: Sync with latest FSF version.
8844 2003-03-12 Paul Eggert <eggert@twinsun.com>
8846 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
8847 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
8848 cursor, instead of leaving it undefined. This fixes a bug
8849 reported by Tim Van Holder in
8850 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
8851 * tests/input.at (Torturing the Scanner): Test the scanner on
8852 an empty input file, which was Tim Van Holder's test case.
8854 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
8855 <sys/resource.h> can be included, include sys/time.h and
8856 sys/times.h first, if available. This works around the SunOS
8857 4.1.4 porting bug reported by Bruce Becker in
8858 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
8860 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
8861 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
8864 Merge changes from gnulib. This was prompted because the CVS
8865 snapshot didn't build on Solaris 7 due to strnlen problems.
8867 These changes need to be merged back into gnulib:
8868 * lib/hash.c: Include <stdbool.h> unconditionally.
8869 * m4/onceonly.m4 (m4_quote): New macro.
8870 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
8871 Quote AC_FOREACH variable-expansions properly.
8872 The 2003-01-03 obstack.h change also needs merging.
8873 {end of changes requiring merging}
8875 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
8876 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
8877 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
8878 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
8879 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
8880 New files, imported from gnulib.
8881 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
8884 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
8885 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
8888 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
8890 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
8891 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
8892 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
8893 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
8894 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
8895 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
8896 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
8897 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
8898 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
8899 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
8900 (jm_PREREQ_ARGMATCH): Remove.
8901 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
8902 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
8904 * src/system.h: Include <stdbool.h> unconditionally.
8906 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
8907 assuming at least C89 in the bitset code for some time now.
8909 2003-03-03 Akim Demaille <akim@epita.fr>
8913 2003-03-02 Akim Demaille <akim@epita.fr>
8915 * doc/bison.texinfo (Table of Symbols): Reactivate the
8916 documentation for %lex-param, and %parse-param.
8918 2003-03-02 Akim Demaille <akim@epita.fr>
8920 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
8921 generate verbose error messages.
8922 Use the number of tokens as an upper bound in yytname, as it
8923 cannot be a non terminal.
8925 2003-03-02 Akim Demaille <akim@epita.fr>
8927 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
8930 2003-03-02 Akim Demaille <akim@epita.fr>
8932 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
8933 Use them to exercise yycheck overrun.
8934 Based on Andrew Suffield's grammar.
8936 2003-03-02 Akim Demaille <akim@epita.fr>
8938 Create tests/local.at for Bison generic testing macros.
8940 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
8941 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
8943 * tests/calc.at (AT_CHECK_CALC): Adjust.
8944 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
8945 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
8946 * tests/local.at: here.
8947 (AT_COMPILE_CXX): Tags the tests using it as c++.
8948 Ignore the test if CXX is not functional.
8950 2003-03-01 Paul Eggert <eggert@twinsun.com>
8952 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
8953 not loc->end, since loc->end might contain garbage and this leads
8954 to undefined behavior on some platforms.
8955 (id_loc, token_start): Use (IF_LINTed) initial values that do not
8956 depend on *loc, so that the reader doesn't give the the false
8957 impression that *loc is initialized.
8958 (<INITIAL>"%%"): Do not bother setting code_start, since its value
8959 does not survive the return.
8961 2003-03-01 Akim Demaille <akim@epita.fr>
8963 * src/scan-gram.l (code_start): Always initialize it when entering
8964 into yylex, as SC_EPILOGUE is activated *before* the corresponding
8965 yylex invocation. An alternative would be making it static, but
8966 then it starts with the second %%'s beginning, instead of its end.
8968 2003-02-28 Paul Eggert <eggert@twinsun.com>
8970 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
8971 around a UnixWare 7.1.1 porting bug reported by John Hughes in
8972 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
8974 2003-02-26 Paul Eggert <eggert@twinsun.com>
8976 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
8977 Remove Sequent/Pyramid discussion (nobody uses them any more).
8978 Merge VMS and MS-DOS discussion; these ports may well be dead
8979 but let's keep mentioning them for now. Put <> around email
8980 addresses. Add copyright notice.
8982 2003-02-24 Paul Eggert <eggert@twinsun.com>
8984 * data/glr.c (yy_reduce_print): yylineno -> yylno,
8985 to avoid collision with flex use of yylineno.
8986 Problem reported by Bruce Lilly in
8987 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
8988 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
8989 * data/yacc.c (yy_reduce_print): Likewise.
8991 * config/depcomp: Sync with Automake 1.7.3.
8993 2003-02-21 Akim Demaille <akim@epita.fr>
8995 * data/lalr1.cc: Use temporary variables instead of casts to
8996 change integer types.
8997 Suggested by Paul Eggert.
8999 2003-02-21 Akim Demaille <akim@epita.fr>
9001 * doc/bison.texinfo: Use "location" consistently to refer to @n,
9002 to avoid confusions with lalr1.cc's notion of Position.
9003 Suggested by Paul Eggert.
9005 2003-02-20 Akim Demaille <akim@epita.fr>
9007 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
9008 before initial_columns.
9009 (location.hh): Use consistent variable names when defining the
9011 Use "last" so that we subtract from Positions, not from unsigned.
9013 2003-02-20 Akim Demaille <akim@epita.fr>
9015 * data/lalr1.cc (position.hh): New subfile, including the extended
9016 and Doxygen'ed documentation of class Position.
9017 (location.hh): Use it.
9018 Document a` la Doxygen.
9019 With the help of Benoit Perrot.
9021 2003-02-20 Akim Demaille <akim@epita.fr>
9023 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
9025 Redefine AT_YYERROR_SEES_LOC_IF using it.
9026 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
9028 Don't use the location in yy::Parser::error_ and
9029 yy::Parser::print_ when not %locations.
9030 Activate more lalr1.cc tests.
9032 2003-02-19 Akim Demaille <akim@epita.fr>
9034 * data/lalr1.cc: When displaying a line number, be sure to make it
9037 2003-02-19 Akim Demaille <akim@epita.fr>
9039 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
9041 (YYABORT, YYACCEPT, YYERROR): New.
9042 * tests/calc.at: Renable the lalr1.cc test.
9044 2003-02-19 Akim Demaille <akim@epita.fr>
9046 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
9047 error recovery, mixing with/without pops and discarding of the
9050 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
9052 2003-02-17 Paul Eggert <eggert@twinsun.com>
9054 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
9055 * tests/testsuite.at (AT_COMPILE): Use them.
9056 This fixes the testsuite problem reported by Robert Lentz in
9057 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
9059 2003-02-12 Paul Eggert <eggert@twinsun.com>
9061 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
9062 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
9063 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
9064 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
9065 Check for malloc failure, for consistency with yacc.c.
9066 (yytname_size): Remove, for consistency with yacc.c.
9068 The bug still remains in data/lalr1.cc, as I didn't have time
9071 2003-02-06 Akim Demaille <akim@epita.fr>
9073 * configure.ac (GXX): Rename as...
9074 (CXX): this, to keep the original Autoconf semantics.
9076 * data/lalr1.cc: Fix b4_copyright invocations.
9077 If YYDEBUG is not defined, don't depend upon name_ being defined.
9078 (location.hh): Include string and iostream.
9079 (Position::filename): New member.
9080 (Position::Position ()): New.
9081 (operator<< (Position)): New.
9082 (operator- (Position, int)): New.
9083 (Location::first, Location::last): Rename as...
9084 (Location::begin, Location::end): these, to mock the conventional
9086 (operator<< (Location)): New.
9087 * tests/atlocal.in (CXX): New.
9088 * tests/testsuite.at (AT_COMPILE_CXX): New.
9089 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
9090 locations in a more synthetic way.
9091 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
9093 Adjust the C locations to match those from Emacs: first column is
9095 Change all the expected results.
9096 Conform to the GCS: simplify the locations when applicable.
9097 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
9098 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
9099 these CPP macros with the m4 macros new defined by...
9100 (AT_CHECK_PUSHDEFS): this, i.e.:
9101 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
9102 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
9104 (AT_CHECK_POPDEFS): Undefine them.
9105 (AT_CHECK_CALC_LALR1_CC): New.
9106 Use it for the first lalr1.cc test.
9108 2003-02-04 Akim Demaille <akim@epita.fr>
9110 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
9111 Location as is defined.
9113 2003-02-04 Akim Demaille <akim@epita.fr>
9115 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
9116 name_ being defined.
9118 2003-02-03 Paul Eggert <eggert@twinsun.com>
9120 * src/gram.h (start_symbol): Remove unused decl.
9122 Use more-consistent naming conventions for local vars.
9124 * src/derives.c (derives_compute): Change type of local var from
9126 * src/gram.c (grammar_rules_partial_print): Likewise.
9127 * src/print.c (print_core): Likewise.
9128 * src/reduce.c (reduce_grammar_tables): Likewise.
9130 * src/gram.c (grammar_dump): Change name of item_number *
9131 local var from r to rp.
9132 * src/nullable.c (nullable_compute): Likewise.
9134 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
9136 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
9137 for symbol or symbol_number var.
9138 * src/reader.c (grammar_start_symbol_set): Likewise.
9139 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
9141 * src/state.c (transitions_to): Likewise.
9142 * src/state.h: Likewise.
9143 * src/tables.c (symbol_number_to_vector_number): Likewise.
9145 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
9148 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
9151 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
9154 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
9155 Use str, not s, for char * var. Use ch, not c, for character var.
9156 Use size for size var.
9158 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
9160 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
9162 * src/uniqstr.h: Likewise.
9164 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
9165 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
9166 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
9167 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
9168 param to have same name as that of enum, so that we don't use
9169 "s" to stand for a non-state.
9171 2003-02-02 Akim Demaille <akim@epita.fr>
9173 * src/scan-skel.l: Scan more than one inert character per yylex
9176 2003-02-01 Paul Eggert <eggert@twinsun.com>
9180 * po/LINGUAS: Add ms.
9182 2003-01-30 Akim Demaille <akim@epita.fr>
9184 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
9186 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
9188 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
9191 Changes in response to error report by S. Eken: GLR mode does not
9192 handle negative $ indices or $ indices in embedded rules correctly.
9193 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
9195 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
9196 (b4_rhs_location): Ditto.
9197 (yyfill): New function to copy from stack tree into array
9199 (yyuserAction): Modify to allow incremental move of semantic values
9200 to rhs array when in GLR mode.
9201 Define YYFILL to use in user-defined actions to fill semantic array
9203 Remove dummy use of yystack, as there is now a guaranteed use.
9204 (yydoAction): Modify to allow incremental move of semantic values
9205 to rhs array when in GLR mode.
9206 (yyresolveAction): Ditto.
9207 (yyglrShiftDefer): Update comment.
9208 (yyresolveStates): Use X == NULL for pointers, not !X.
9209 (yyglrReduce): Ditto.
9212 * tests/glr-regr1.at: Rename to ...
9213 * tests/glr-regression.at: Add new regression test for the problems
9214 described above (adapted from S. Eken).
9215 Update copyright notice.
9216 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
9217 * tests/Makefile.am: Ditto.
9219 2003-01-28 Paul Eggert <eggert@twinsun.com>
9221 * data/lalr1.cc: Do not use @output_header_name@ unless
9222 b4_defines_flag is set. This fixes two bugs reported by
9224 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
9225 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
9227 2003-01-21 Paul Eggert <eggert@twinsun.com>
9229 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
9230 we don't need to worry about yyerrlab1 being reported as an
9231 "unused label" by non-GCC C compilers. The downside is that if
9232 locations are used then a couple of statements are duplicated each
9233 time YYERROR is invoked, but the upside is that the warnings
9235 (yyerrlab1): Move code to YERROR.
9236 (yyerrlab2): Remove. Change uses back to yyerrlab1.
9237 This reverts some of the 2002-12-27 change.
9239 2003-01-17 Paul Eggert <eggert@twinsun.com>
9241 * src/output.c (symbol_printers_output): Fix typo that led
9242 to core dump. Problem reported by Antonio Rus in
9243 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
9245 2003-01-13 Akim Demaille <akim@epita.fr>,
9246 Quoc Peyrot <chojin@lrde.epita.fr>,
9247 Robert Anisko <anisko_r@lrde.epita.fr>
9249 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
9250 when the stacks contain one element, as the loop would otherwise
9251 free the last state, and then use the top state (the one we just
9252 popped). This means that the initial elements will not be freed
9253 explicitly, as is the case in yacc.c; it is not a problem, as
9254 these elements have fake values.
9256 2003-01-11 Paul Eggert <eggert@twinsun.com>
9258 * NEWS: %expect-violations are now just warnings, reverting
9259 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
9260 bootstrapping problem reported by Matthias Klose; see
9261 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
9262 * src/conflicts.c (conflicts_print): Likewise.
9263 * tests/conflicts.at (%expect not enough, %expect too much,
9264 %expect with reduce conflicts): Likewise.
9265 * doc/bison.texinfo (Expect Decl): Document this. Also mention
9266 that the warning is enabled if the number of conflicts changes
9267 (not necessarily increases).
9269 * src/getargs.c (version): Update copyright year.
9271 2003-01-09 Akim Demaille <akim@epita.fr>
9273 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
9275 2003-01-08 Paul Eggert <eggert@twinsun.com>
9277 * Makefile.maint (WGETFLAGS):
9278 New macro, containing "-C off" to disable proxy caches.
9279 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
9280 (rel-check): Use $(WGET) instead of wget.
9282 2003-01-06 Paul Eggert <eggert@twinsun.com>
9284 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
9285 the GLR paper of Scott, Johnstone and Hussain.
9287 2003-01-04 Paul Eggert <eggert@twinsun.com>
9289 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
9290 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
9291 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
9292 (EXTRA_LIBRARIES): New var, for liby.a.
9293 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
9294 (EXTRA_SCRIPTS): New var, for yacc.
9296 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
9297 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
9298 Problem reported by Nelson H. F. Beebe.
9300 2003-01-03 Paul Eggert <eggert@twinsun.com>
9302 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
9303 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
9304 when compiling Bison 1.875's `bitset bset = obstack_alloc
9305 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
9307 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
9308 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
9309 grow to a huge size with typical invocation.
9311 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
9312 Use the pattern recommended by Autoconf 2.57, except also protect
9313 against double-definition.
9314 * src/system.h: Likewise.
9315 Portability issues reported by Nelson H. F. Beebe.
9317 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
9318 All uses changed. Provide a definition in both C and C++.
9319 (yytrue, yyfalse): Define even if defined (__cplusplus).
9321 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
9322 Reported by Nelson H. F. Beebe.
9324 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
9326 2003-01-02 Paul Eggert <eggert@twinsun.com>
9328 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
9329 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
9330 Bug reported by Nelson H. F. Beebe.
9332 2003-01-01 Paul Eggert <eggert@twinsun.com>
9336 2002-12-30 Paul Eggert <eggert@twinsun.com>
9338 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
9340 (<INITIAL>","): Here. This causes stray "," to be treated
9343 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
9344 last brace in braced code when not in Yacc mode, for compatibility
9345 with Bison 1.35. This resurrects the 2001-12-15 patch to
9348 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
9349 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
9351 2002-12-28 Paul Eggert <eggert@twinsun.com>
9353 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
9354 that of SYM's type. This fixes Debian bug 168069, reported by
9357 2002-12-28 Paul Eggert <eggert@twinsun.com>
9361 Switch back to the Yacc style of conflict reports, undoing some
9362 of the 2002-07-30 change.
9363 * doc/bison.texinfo (Understanding): Use Yacc style for
9364 conflict reports. Also, use new way of locating rules.
9365 * src/conflicts.c (conflict_report):
9366 Renamed from conflict_report_yacc, removing the old
9367 'conflict_report'. Translate the entire conflict report at once,
9368 so that we don't assume that "," has the same interpretation in
9370 (conflicts_output): Use Yacc-style conflict report for each state,
9371 instead of our more-complicated style.
9372 (conflicts_print): Use Yacc-style conflict report, except print
9373 the input file name when not emulating Yacc.
9374 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
9375 Conflicted Reduction, %expect not enough, %expect too much,
9376 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
9377 * tests/existing.at (GNU Cim Grammar): Likewise.
9378 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
9380 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
9381 fatal): Don't invoke fflush; it's not needed and it might even be
9382 harmful for stdout, as stdout might not be open.
9383 * src/reduce.c (reduce_print): Likewise.
9385 2002-12-27 Paul Eggert <eggert@twinsun.com>
9387 Fix a bug where error locations were not being recorded correctly.
9388 This problem was originally reported by Paul Hilfinger in
9389 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
9391 * data/yacc.c (yyparse): New local var yylerrsp, to record the
9392 top of the location stack's error locations.
9393 (yyerrlab): Set it. When discarding a token, push its location
9394 onto yylerrsp so that we don't lose track of the error's end.
9395 (yyerrlab1): Now is only the target of YYERROR, so that we can
9396 properly record the location of the action that failed. For GCC
9397 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
9398 GCC warning about yyerrlab1 being unused if YYERROR is unused.
9399 (yyerrlab2): New label, which yyerrlab now falls through to.
9400 Compute the error's location by applying YYLLOC_DEFAULT to
9401 the locations of all the symbols that went into the error.
9402 * doc/bison.texinfo (Location Default Action): Mention that
9403 YYLLOC_DEFAULT is also invoked for syntax errors.
9404 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
9405 Error locations include the locations of all the tokens that were
9406 discarded, not just the last token.
9408 2002-12-26 Paul Eggert <eggert@twinsun.com>
9410 * src/files.c: Include quote.h.
9411 (compute_output_file_names): Warn if we detect conflicting
9412 outputs to the same file. This should catch the misunderstanding
9413 exemplified by Debian Bug 165349, reported by Bruce Stephens..
9415 * src/conflicts.c (conflicts_print): If the user specifies
9416 "%expect N", report an error if there are any reduce/reduce
9417 conflicts. This is what the manual says should happen.
9418 This fixes Debian bug 130890, reported by Anthony DeRobertis.
9419 * tests/conflicts.at (%expect with reduce conflicts): New test.
9421 Don't use m4_include on relative file names, as it doesn't work as
9422 desired if there happens to be a file with that name under ".".
9424 * m4sugar/version.m4: Remove; it was included but it wasn't used.
9425 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
9426 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
9427 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
9428 * src/output.c (output_skeleton): Use full path names when
9429 specifying a file to include; don't rely on include path, as
9430 it's unreliable when the working file contains a file with
9433 2002-12-25 Paul Eggert <eggert@twinsun.com>
9435 Remove obsolete references to bison.simple and bison.hairy.
9436 Problem mentioned by Aubin Mahe in
9437 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
9438 * data/glr.c: Comment fix.
9439 * doc/bison.1: Remove references. Also, mention "yacc".
9441 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
9444 * src/parse-gram.y (declaration): Use enum "report_states" rather
9445 than its numeric value 1.
9447 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
9448 opening a new one. This fixes Debian bug 165349, reported by
9451 2002-12-24 Paul Eggert <eggert@twinsun.com>
9455 * Makefile.maint (cvs-update): Don't assume that the shell
9456 supports $(...), as Solaris sh doesn't.
9458 * src/parse-gram.y (lloc_default): Remove test for empty
9459 nonterminals at the end, since it didn't change the result.
9461 2002-12-24 Paul Eggert <eggert@twinsun.com>
9463 If the user does not define YYSTYPE as a macro, Bison now declares it
9464 using typedef instead of defining it as a macro. POSIX requires this.
9465 For consistency, YYLTYPE is also declared instead of defined.
9467 %union directives can now have a tag before the `{', e.g., the
9468 directive `%union foo {...}' now generates the C code
9469 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
9470 The default union tag is `YYSTYPE', for compatibility with Solaris 9
9471 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
9472 instead of `yyltype'.
9474 `yystype' and `yyltype' are now obsolescent macros instead of being
9475 typedefs or tags; they are no longer documented and will be
9476 withdrawn in a future release.
9478 * data/glr.c (b4_location_type): Remove.
9479 (YYSTYPE): Renamed from yystype.
9480 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
9481 (struct YYLTYPE): Renamed from struct yyltype.
9482 (YYLTYPE): Renamed from yyltype.
9483 (yyltype, yystype): New (and obsolescent) macros,
9484 for backward compatibility.
9485 * data/yacc.c: Likewise.
9487 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
9488 does not specify a union tag. This is for compatibility with
9491 * src/parse-gram.y (add_param): 2nd arg is now char * not char
9492 const *, since it is now modified by stripping surrounding { }.
9493 (current_braced_code): Remove.
9494 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
9495 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
9496 trailing " {...}". Now of type <chars>.
9497 (grammar_declaration): Adjust to bundled tokens.
9498 (code_content): Remove; stripping is now done by add_param.
9499 (print_token_value): Print contents of bundled tokens.
9500 (token_name): New function.
9502 * src/reader.h (braced_code, current_braced_code): Remove.
9503 (token_name): New decl.
9505 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
9506 token_type, not braced_code code_kind. All uses changed.
9507 (SC_PRE_CODE): New state, for scanning after a keyword that
9508 has (or usually has) an immediately-following braced code.
9509 (token_type): New local var, to keep track of which token type
9510 to return when scanning braced code.
9511 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
9512 <INITIAL>"%parse-param", <INITIAL>"%printer",
9513 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
9514 instead of returning a token type immediately.
9515 (<INITIAL>"{"): Set token type.
9516 (<SC_BRACED_CODE>"}"): Use it.
9517 (handle_action_dollar, handle_action_at): Now returns bool
9518 indicating success. Fail if ! current_rule; this prevents a core dump.
9519 (handle_symbol_code_dollar, handle_symbol_code_at):
9520 Remove; merge body into caller.
9521 (handle_dollar, handle_at): Complain in invalid contexts.
9523 * NEWS, doc/bison.texinfo: Document the above.
9524 * NEWS: Fix years and program names in copyright notice.
9526 2002-12-17 Paul Eggert <eggert@twinsun.com>
9528 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
9529 Reporting, Table of Symbols): Omit mentions of %lex-param and
9530 %parse-param from the documentation for now.
9532 2002-12-15 Paul Eggert <eggert@twinsun.com>
9534 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
9535 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
9536 lookahead symbol, and which sets yychar in parser actions) and it
9537 disagreed with the Bison documentation. Bug
9538 reported by Andrew Walrond.
9540 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
9541 as the caller now does that.
9542 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
9543 (YYEMPTY): Parenthesize right hand side, since others use it.
9544 (yyparse): Don't assume that our generated code is the only code
9547 2002-12-13 Paul Eggert <eggert@twinsun.com>
9551 POSIX requires a "yacc" command.
9552 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
9553 (MOSTLYCLEANFILES): Add yacc.
9555 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
9556 as an alias for bison y.
9558 * po/LINGUAS: Add da.
9560 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
9561 problem with latest <getopt.h>.
9562 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
9564 * doc/fdl.texi: Upgrade to 1.2.
9565 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
9566 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
9567 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
9569 * config/install-sh: Sync with autotools.
9571 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
9572 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
9573 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
9574 locations are requested.
9575 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
9576 locations are requested.
9578 2002-12-12 Paul Eggert <eggert@twinsun.com>
9580 Remove unportable casts and storage allocation tricks.
9581 While we're at it, remove almost all casts, since they
9582 usually aren't needed and are a sign of trouble.
9584 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
9586 * src/derives.c (derives_compute): Do not subtract NTOKENS from
9587 the pointer DSET returned by malloc; this isn't portable.
9588 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
9589 Similarly for DERIVES.
9590 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
9591 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
9592 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
9594 * src/derives.c (derives_compute): Do not bother invoking
9595 int_of_rule_number, since rule numbers are integers.
9597 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
9598 rather than XMALLOC (char, N).
9600 * src/files.c (filename_split): Rewrite to avoid cast.
9602 * src/gram.h (symbol_number_as_item_number,
9603 item_number_as_symbol_number, rule_number_as_item_number,
9604 item_number_as_rule_number):
9605 Now inline functions rather than macros, to avoid casts.
9606 * src/state.h (state_number_as_int): Likewise.
9607 * src/tables.c (state_number_to_vector_number,
9608 symbol_number_to_vector_number): Likewise.
9610 * src/gram.h (int_of_rule_number): Remove; no longer used.
9612 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
9613 since the resulting storage is always stored into.
9615 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
9618 * src/muscle_tab.c (muscle_m4_output):
9619 Now inline. Return bool, not int.
9620 * src/state.c (state_compare): Likewise.
9621 * src/symtab.c (symbol_check_defined,
9622 symbol_check_alias_consistency, symbol_pack, symbol_translation,
9623 hash_compare_symbol, hash_symbol):
9625 * src/uniqstr.c (uniqstr_print): Likewise.
9626 * src/muscle_tab.c (muscle_m4_output_processor):
9627 New function, to avoid casts.
9628 * src/state.c (state_comparator, stage_hasher): Likewise.
9629 * src/symtab.c (symbol_check_defined_processor,
9630 symbol_check_alias_consistency_processor, symbol_pack_processor,
9631 symbol_translation_processor, hash_symbol_comparator,
9632 hash_symbol_hasher): Likewise.
9633 * src/uniqstr.c (uniqstr_print_processor): Likewise.
9634 * src/muscle_tab.c (muscles_m4_output):
9635 Use new functions instead of casting old functions unportably.
9636 * src/state.c (state_hash_new): Likewise.
9637 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
9638 symbols_token_translations_init):
9640 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
9642 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
9643 var instead of casting to long, to avoid casts.
9644 (prepare_states): Use MALLOC rather than alloca, so that we don't
9645 have to worry about alloca.
9646 * src/state.c (state_hash_lookup): Likewise.
9648 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
9649 local var instead of casting to unsigned char, to avoid casts.
9651 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
9652 STATE_ALLOC): Remove.
9653 (transitions_new, errs_new, reductions_new, state_new): Use malloc
9654 rather than calloc, and use offsetof to avoid allocating slightly
9656 (state_new): Initialize all members.
9658 * src/state.c (state_hash): Use unsigned accumulator, not signed.
9660 * src/symtab.c (symbol_free): Remove; unused.
9661 (symbol_get): Remove cast in lhs of assignment.
9662 (symbols_do): Now static. Accept generic arguments, not
9663 hashing-related ones.
9665 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
9666 (symbol_processor): Remove.
9667 (symbols_do): Remove decl; now static.
9669 * src/system.h (alloca): Remove; decl no longer needed.
9670 (<stddef.h>): Include, for offsetof.
9671 (<inttypes.>, <stdint.h>): Include if available.
9672 (uintptr_t): New type, if system lacks it.
9673 (CALLOC, MALLOC, REALLOC): New macros.
9674 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
9677 * src/tables.c (table_size): Now int, to pacify GCC.
9678 (table_grow, table_ninf_remap): Use signed table size.
9679 (save_row): Don't bother initializing locals when not needed.
9680 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
9681 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
9683 * src/vcg.h: Correct misspellings.
9685 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
9688 * src/getargs.c (getargs): Don't assume EOF == -1.
9690 2002-12-09 Paul Eggert <eggert@twinsun.com>
9692 Change identifier spellings to avoid collisions with names
9693 that are reserved by POSIX.
9695 Don't use names ending in _t, since POSIX reserves them.
9696 For consistency, remove _e and _s endings -- they're weren't
9697 needed to remove ambiguity. All uses changed.
9698 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
9699 turn was just renamed from struniq_t.
9700 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
9701 which in turn was just renamed from struniq_processor_t.
9702 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
9703 in turn was renamed from hash_compare_struniq_t.
9704 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
9705 (state_list): Renamed from state_list_t.
9706 * src/assoc.h (assoc): Renamed from assoc_t.
9707 * src/conflicts.c (enum conflict_resolution): Renamed from
9708 enum conflict_resolution_e.
9709 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
9710 (rule_list): Renamed from rule_list_t.
9711 * src/getargs.h (enum trace): Renamed from enum trace_e.
9712 (enum report): Renamed from enum report_e.
9713 * src/gram.h (item_number): Renamed from item_number_t.
9714 (rule_number): Renamed from rule_number_t.
9715 (struct rule_s): Remove the "rule_s" part; not used.
9716 (rule): Renamed from rule_t.
9717 (rule_filter): Renamed from rule_filter_t.
9718 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
9719 (goto_list): Renamed from goto_list_t.
9720 * src/lalr.h (goto_number): Renamed from goto_number_t.
9721 * src/location.h (location): Renamed from location_t.
9722 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
9723 and moved here from:
9724 * src/muscle_tab.h (muscle_entry_t): here.
9725 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
9726 (rule_list): Renamed from rule_list_t.
9727 * src/print_graph.c (static_graph): Renamed from graph.
9728 * src/reader.h (braced_code): Renamed from braced_code_t.
9729 Remove brace_code_e tag.
9730 * src/relation.h (relation_node): Renamed from relation_node_t.
9731 (relation_nodes): Renamed from relation_nodes_t.
9732 (relation): Renamed from relation_t.
9733 * src/state.h (state_number): Renamed from state_number_t.
9734 (struct state): Renamed from struct state_s.
9735 (state): Renamed from state_t.
9736 (transitions): Renamed from transitions_t. Unused (and
9737 misspelled) transtion_s tag removed.
9738 (errs): Renamed from errs_t. Unused errs_s tag removed.
9739 (reductions): Renamed from reductions_t. Unused tag
9740 reductions_s removed.
9741 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
9742 (struct symbol_list): Renamed from struct symbol_list_s.
9743 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
9744 (struct symbol): Renamed from struct symbol_s.
9745 (symbol): Renamed from symbol_t.
9746 * src/tables.c (vector_number): Renamed from vector_number_t.
9747 (action_number): Renamed from action_t.
9748 * src/tables.h (base_number): Renamed from base_t.
9749 * src/vcg.h (enum color): Renamed from enum color_e.
9750 (enum textmode): Renamed from enum textmode_e.
9751 (enum shape): Renamed from enum shape_e.
9752 (struct colorentry): Renamed from struct colorentry_s.
9753 (struct classname): Renamed from struct classname_s.
9754 (struct infoname): Renamed from struct infoname_s.
9755 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
9756 (enum decision): Renamed from enum decision_e.
9757 (enum orientation): Renamed from enum orientation_e.
9758 (enum alignment): Renamed from enum alignment_e.
9759 (enum arrow_mode): Renamed from enum arrow_mode_e.
9760 (enum crossing_type): Renamed from enum crossing_type_e.
9761 (enum view): Renamed from enum view_e.
9762 (struct node): Renamed from struct node_s.
9763 (node): Renamed from node_t.
9764 (enum linestyle): Renamed from enum linestyle_e.
9765 (enum arrowstyle): Renamed from enum arrowstyle_e.
9766 (struct edge): Renamed from struct edge.
9767 (edge): Renamed from edge_t.
9768 (struct graph): Renamed from struct graph_s.
9769 (graph): Renamed from graph_t.
9770 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
9771 Rename value_t -> value.
9772 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
9773 value_t_as_yystype -> value_as_yystype.
9775 Don't include <errno.h> in the mainstream code, since it
9776 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
9777 * lib/get-errno.c, lib/get-errno.h: New files.
9778 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
9780 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
9781 * src/output.c (output_skeleton): Likewise.
9782 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
9784 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
9786 (handle_action_dollar, handle_action_at): Likewise.
9787 * src/system.h: Do not include <errno.h>.
9788 (TAB_EXT): Renamed from EXT_TAB.
9789 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
9791 Avoid str[a-z]*, since <string.h> reserves that name space.
9792 Change all instances of "struniq" in names to "uniqstr", and
9793 likewise for "STRUNIQ" and "UNIQSTR".
9794 * src/uniqstr.c: Renamed from src/struniq.c.
9795 * src/uniqstr.h: Renamed from src/struniq.h.
9796 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
9797 * src/files.c (strsuffix): Remove; unused.
9798 (concat2): Renamed from stringappend. Now static.
9799 * src/files.h (strsuffix, stringappend): Remove; unused.
9800 * src/parse-gram.y (<chars>): Renamed from <string>.
9801 (<uniqstr>): Renamed from <struniq>.
9802 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
9803 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
9804 (struct graph_s.expand): Renamed from struct graph_s.stretch.
9805 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
9806 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
9807 (N_EXPAND): Renamed from N_STRETCH.
9809 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
9810 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
9811 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
9813 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
9814 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
9815 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
9816 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
9817 (BASE_MAXIMUM): Renamed from BASE_MAX.
9818 (BASE_MINIMUM): Renamed from BASE_MIN.
9819 (ACTION_MAX): Remove; unused.
9820 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
9821 Unnecessary casts removed from above defines.
9824 Fix misspelling in names.
9825 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
9826 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
9830 * lib/timevar.c (timevar_report): Renamed from time_report,
9831 for consistency with other names.
9832 * lib/timevar.h (timevar_report): New decl.
9833 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
9836 Sort include-file uses.
9838 Reorder all include files under src to be in the order "system.h".
9839 then the ../lib include files in angle brackets (alphabetized),
9840 then the . include files in double-quotes (alphabetized). Fix
9841 dependency breakages encountered in this process, as follows:
9842 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
9843 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
9844 * src/state.h: Include "symtab.h".
9846 2002-12-08 Paul Eggert <eggert@twinsun.com>
9848 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
9849 since this causes problems when __file__ contains character
9850 sequences like "@" that are treated specially by src/scan-skel.l.
9851 Instead, just use the file's basename. This fixes the bug
9852 reported by Martin Mokrejs in
9853 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
9855 2002-12-06 Paul Eggert <eggert@twinsun.com>
9857 Add support for rules that do not have trailing semicolons, as
9858 POSIX requires. Improve the quality of locations in Bison
9861 * src/location.c: Include <quotearg.h>.
9862 (empty_location): Now const.
9863 (location_print): New function. Follow the recommendation of the
9864 GNU Coding Standards for locations that span file boundaries.
9865 * src/location.h: Do not include <quotearg.h>; no longer needed.
9866 (boundary): New type.
9867 (location_t): Use it. This allows locations to span file boundaries.
9868 All member uses changed: file -> start.file or end.file (as needed),
9869 first_line -> start.line, first_column -> start.column,
9870 last_line -> end.line, last_column -> end.column.
9871 (equal_boundaries): New function.
9872 (LOCATION_RESET, LOCATION_STEP): Remove.
9873 (LOCATION_PRINT): Remove. All callers changed to use location_print.
9874 (empty_location): Now const.
9875 (location_print): New decl.
9876 * src/parse-gram.y (lloc_default): New function, which handles
9877 empty locations more accurately.
9878 (YYLLOC_DEFAULT): Use it.
9879 (%token COLON): Remove.
9880 (%token ID_COLON): New token.
9882 (declarations, rules): Remove trailing semicolon.
9883 (declaration, rules_or_grammar_declaration):
9884 Allow empty (";") declaration.
9885 (symbol_def): Remove empty actions; no longer needed.
9886 (rules_or_grammar_declaration): Remove trailing semicolon.
9887 (semi_colon.opt): Remove.
9888 * src/reader.h: Include location.h.
9889 (scanner_cursor): New decl.
9890 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
9892 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
9894 (STEP): Remove. No longer needed, now that adjust_location does
9895 the work. All uses removed.
9896 (scanner_cursor): New var.
9897 (adjust_location): Renamed from extend_location. It now sets
9898 *loc and adjusts the scanner cursor. All uses changed.
9899 Don't bother testing for CR.
9900 (handle_syncline): Remove location arg; now updates scanner cursor.
9901 All callers changed.
9902 (unexpected_end_of_file): Now accepts start boundary of token or
9903 comment, not location. All callers changed. Update scanner cursor,
9905 (SC_AFTER_IDENTIFIER): New state.
9906 (context_state): Renamed from c_context. All uses changed.
9907 (id_loc, code_start, token_start): New local vars.
9908 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
9909 processing of Yacc white space and equivalents here.
9910 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
9911 instead of returning ID immediately, since we need to search for
9913 (<INITIAL>"'", "\""): Save token_start.
9914 (<INITIAL>"%{", "{", "%%"): Save code_start.
9915 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
9916 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
9917 BEGIN context_state at end, not INITIAL.
9918 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
9919 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
9920 Return correct token start.
9921 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
9922 the start of a character, string or multiline comment is found.
9923 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
9924 Reduction): Adjust reported locations to match the more-precise
9925 results now expected.
9926 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
9927 * tests/reduce.at (Useless Rules, Reduced Automaton,
9928 Underivable Rules): Likewise.
9929 * tests/regression.at (Invalid inputs): No longer `expecting ";"
9930 or "|"' now that so many other tokens are allowed by the new grammar.
9932 * src/complain.h (current_file): Remove duplicate decl;
9933 current_file is now owned by files.h.
9934 * src/complain.c, src/scan-gram.l: Include files.h.
9936 2002-12-06 Paul Eggert <eggert@twinsun.com>
9938 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
9939 promotes to int; it might be unsigned int.
9940 * data/yacc.c (yy_reduce_print): Likewise.
9942 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
9943 be #defined in the prologue, not in the Bison declarations.
9944 This fixes Debian Bug 102878, reported by Shaul Karl.
9946 2002-12-02 Paul Eggert <eggert@twinsun.com>
9948 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
9949 * lib/strtoul.c: New file, from gnulib.
9950 This fixes a porting bug reported by Peter Klein in
9951 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
9953 2002-11-30 Paul Eggert <eggert@twinsun.com>
9955 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
9956 and put only a forward declaration in the prologue. This is for
9957 consistency with the other scanner helper functions.
9959 Type clashes now generate warnings, not errors, since it
9960 appears that POSIX may allow some grammars with type clashes.
9961 * src/reader.c (grammar_current_rule_check): Warn about
9962 type clashes instead of complaining.
9963 * tests/input.at (Type Clashes): Expect warnings, not complaints.
9965 Add Yacc library, since POSIX requires it.
9966 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
9967 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
9968 * lib/main.c, lib/yyerror.c: New files.
9970 gram_error can be static; it need not be extern.
9971 * src/reader.h (gram_error): Remove decl.
9972 * src/parse-gram.y (gram_error): Now static. Add static decl.
9973 (print_token_value): Omit parameter names from forward decl,
9976 2002-11-29 Paul Eggert <eggert@twinsun.com>
9978 * doc/bison.texinfo: Emphasize that yylex and yyerror must
9979 be declared before being used. E.g., one should typically
9980 declare them in the prologue. Use GNU coding style in examples.
9981 Put "const" consistently after the type it modifies. Mention
9982 that C99 supports "inline". Mention that yyerror traditionally
9985 %parse-param and %lex-param now take just one argument, the
9986 declaration; the argument name is deduced from the declaration.
9988 * doc/bison.texinfo (Parser Function, Pure Calling, Error
9989 Reporting, Table of Symbols): Document this.
9990 * src/parse-gram.y (add_param): New function.
9992 (declaration): Implement new rule for %parse-param and %lex-param.
9993 * src/scan-gram.l: "," now elicits a warning, rather than being
9994 a token; this is more compatible with byacc.
9995 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
9997 2002-11-27 Paul Eggert <eggert@twinsun.com>
9999 Rename identifiers to avoid real and potential collisions.
10001 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
10002 to avoid collision with lex macro described by Bruce Lilly in
10003 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
10004 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
10005 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
10006 * src/parse-gram.y (print_token_value): Renamed from yyprint.
10008 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
10009 The name "yycontrol" violates the name space rules, and this stuff
10010 wasn't being used anyway.
10011 (input): Remove action; this stuff wasn't being used.
10012 (gram_error): Rename local variable yylloc -> loc.
10013 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
10014 (YY_DECL): Don't use "yy" at start of local variables.
10015 All uses changed, e.g., yylloc -> loc.
10016 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
10017 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
10018 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
10019 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
10021 * src/parse-gram.y (gram_error): loc is now const *.
10022 * src/reader.h (gram_error): Likewise.
10024 2002-11-24 Paul Eggert <eggert@twinsun.com>
10028 * tests/actions.at (Actions after errors): Use an output format
10029 more similar to that of the Printers and Destructors test.
10030 Test the position of the ';' token too.
10031 (Printers and Destructors): Likewise.
10032 (Printers and Destructors: %glr-parser): Remove for now, to avoid
10033 unnecessarily alarming people when the test fails.
10035 * data/yacc.c (yyerrlab1): Move this label down, so that the
10036 parser does not discard the lookahead token if the user code
10037 invokes YYERROR. This change is required for POSIX conformance.
10039 * lib/error.c: Sync with gnulib.
10041 2002-11-22 Paul Eggert <eggert@twinsun.com>
10043 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
10044 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
10045 * lib/xmalloc.c: Likewise.
10047 2002-11-20 Paul Eggert <eggert@twinsun.com>
10049 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
10051 2002-11-20 Paul Eggert <eggert@twinsun.com>
10053 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
10054 should use `if (! x) abort ();' rather than `assert (x);', and
10055 anyway it's one less thing to worry about configuring.
10057 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
10058 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
10059 and replace all instances of assert with abort.
10060 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
10061 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
10063 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
10064 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
10065 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
10066 hash_find_entry, hash_rehash, hash_insert): Likewise.
10067 * src/conflicts.c (resolve_sr_conflict): Likewise.
10068 * src/lalr.c (set_goto_map, map_goto): Likewise.
10069 * src/nullable.c (nullable_compute): Likewise.
10070 * src/output.c (prepare_rules, token_definitions_output): Likewise.
10071 * src/reader.c (packgram, reader): Likewise.
10072 * src/state.c (state_new, state_free, state_transitions_set,
10073 state_reduction_find): Likewise.
10074 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
10075 symbol_pack): Likewise.
10076 * src/tables.c (conflict_row, pack_vector): Likewise.
10077 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
10078 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
10079 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
10080 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
10082 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
10083 (ARGMATCH_CONSTRAINT): New macro.
10084 (ARGMATCH_ASSERT): Use it.
10086 * src/system.h (verify): New macro.
10087 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
10088 rather than assert.
10089 * src/tables.c (tables_generate): Likewise.
10091 * src/struniq.c (struniq_assert): Now returns void, and aborts
10092 if the assertion is false.
10093 (struniq_assert_p): Remove.
10094 * src/struniq.h: Likewise.
10096 2002-11-18 Paul Eggert <eggert@twinsun.com>
10098 * data/glr.c (yygetLRActions): Replace `yyindex' with
10099 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
10100 This fixes the regression with Sun ONE Studio 7 cc that I reported in
10101 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
10103 2002-11-18 Akim Demaille <akim@epita.fr>
10105 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
10107 From Tim Van Holder.
10109 2002-11-17 Paul Eggert <eggert@twinsun.com>
10111 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
10112 to "SyntaxError" for consistency with my 2002-11-15 change.
10114 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
10115 not define to {}, since this breaks the common use of `YYDPRINTF
10116 ((...));' if a single statement is desired (e.g. before `else').
10117 Work around GCC warnings by surrounding corresponding calls with
10119 (yyhasResolvedValue): Remove unused function.
10120 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
10122 (yyreportSyntaxError): Renamed from yyreportParseError.
10123 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
10125 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
10126 extern when possible. Remove unused initializations.
10128 2002-11-16 Akim Demaille <akim@epita.fr>
10130 Augment the similarity between GLR and LALR traces.
10132 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
10133 (YY_REDUCE_PRINT): New.
10134 (yyparse): Use them.
10135 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
10137 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
10138 state reached after the reduction/recovery, since...
10139 (yyparse, yyprocessOneStack): Report the state we are entering in.
10141 2002-11-16 Akim Demaille <akim@epita.fr>
10143 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
10144 Add support for --trace=skeleton.
10145 * src/scan-skel.l: %option debug.
10146 Scan strings of non-@ or \n instead of character by character.
10147 (scan_skel): Handle trace_skeleton.
10149 (@output_parser_name@, @output_header_name@): ``Restore'' their
10150 support (used to be M4 macros).
10151 * data/yacc.c: Quote larger chunks, a la glr.c.
10152 * data/lalr1.cc: Likewise.
10153 The header guards are no longer available, so use some other
10154 string than `YYLSP_NEEDED'.
10156 2002-11-16 Akim Demaille <akim@epita.fr>
10158 Make the ``Printers and Destructors'' test more verbose, taking
10159 `yacc.c''s behavior as (possibly wrong) reference.
10161 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
10162 instead of fprint on stdout.
10163 Set and report the last_line of the symbols.
10164 Consistently display values and locations.
10166 2002-11-16 Paul Eggert <eggert@twinsun.com>
10168 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
10170 2002-11-15 Paul Eggert <eggert@twinsun.com>
10172 * tests/actions.at (Actions after errors): New test case.
10174 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
10175 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
10176 tests/action.at, tests/calc.at, tests/conflicts.at,
10177 tests/cxx-type.at, tests/regression.at:
10178 "parse error" -> "syntax error" for POSIX compatibility.
10179 "parsing stack overflow..." -> "parser stack overflow" so
10180 that code matches Bison documentation.
10182 2002-11-15 Akim Demaille <akim@epita.fr>
10184 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
10185 take two BRACED_CODE, not two string_content.
10186 Free the scanner's obstack when we are done.
10187 (code_content): New.
10188 * tests/calc.at: Adjust.
10189 * doc/bison.texinfo: Adjust.
10190 Also, make sure to include the `,' for these declarations.
10192 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
10194 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
10195 definition; avoids potential autoreconf problems.
10197 2002-11-15 Akim Demaille <akim@epita.fr>
10199 Always check the value returned by yyparse.
10201 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
10202 returned by yyparse.
10203 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
10205 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
10206 returned by yyparse.
10208 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
10210 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
10213 2002-11-14 Paul Eggert <eggert@twinsun.com>
10215 * src/output.c (output_skeleton): Call xfopen instead of
10216 duplicating xfopen's body.
10218 Fix bugs reported by Nelson H. F. Beebe in
10219 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
10221 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
10222 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
10223 Group compiler. Instead, use "$CC -E bar.c". Include the .h
10224 file twice in the grammar, as an extra check.
10226 * tests/input.at (Torturing the Scanner): Surround the
10227 backslash-newline tests with "#if 0", to make it less likely that
10228 we'll run into compiler bugs. Bring back solitary \ inside
10229 comment, but add a closing comment to work around HP C bug. Don't
10230 test backslash-newline in C character constant.
10232 2002-11-14 Akim Demaille <akim@epita.fr>
10234 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
10235 status of the compiler.
10236 Calling `exit 1' is no longer needed.
10237 Reported by Nelson H. F. Beebe.
10239 2002-11-14 Akim Demaille <akim@epita.fr>
10241 * tests/atlocal.in (CPPFLAGS): We have config.h.
10242 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
10244 * tests/actions.at, tests/calc.at, tests/conflicts.at,
10245 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
10246 * tests/regression.at, tests/torture.at: Use them for all the
10247 grammars that are to be compiled.
10248 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
10249 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
10250 * doc/bison.texinfo (GLR Parsers): Document `inline'.
10252 2002-11-14 Akim Demaille <akim@epita.fr>
10254 * doc/bison.texinfo: Various formatting changes (alignments in
10255 samples, additional @group/@end group, GCS in samples.
10256 Use @deffn instead of simple @table to define the directives,
10257 macros, variables etc.
10259 2002-11-13 Paul Eggert <eggert@twinsun.com>
10261 Fix some bugs reported by Albert Chin-A-Young in
10262 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
10264 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
10265 -o c"; the HP C compiler chatters during compilation.
10266 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
10267 * tests/headers.at (export YYLTYPE): Likewise.
10269 * tests/input.at (Torturing the Scanner): Remove lines containing
10270 solitary backslashes, as they tickle a bug in the HP C compiler.
10272 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
10273 comments, since they're not portable. Use GNU coding style.
10275 2002-11-13 Akim Demaille <akim@epita.fr>
10277 * data/yacc.c: Leave bigger chunks of quoted text.
10278 (YYDSYMPRINTF): New.
10279 Use it to report symbol activities.
10280 * data/glr.c (YYDSYMPRINTF): New.
10283 2002-11-12 Paul Eggert <eggert@twinsun.com>
10287 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
10288 (yyglrReduce): Return yyok, not 0.
10289 This should avoid the enumerated-type warnings reported
10290 by Nelson H. F. Beebe in
10291 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
10293 * lib/bbitset.h (BITSET_INLINE): Remove.
10294 * lib/bitset.h [! BITSET_INLINE]: Remove.
10295 (bitset_set, bitset_reset, bitset_test): Rename local vars
10296 to avoid shadowing warnings by GCC.
10298 * data/glr.c (inline): Remove #define. It's the user's
10299 responsibility to #define it away, just like 'const'.
10300 This fixes one of the bugs reported by Nelson H. F. Beebe in
10301 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
10303 * Makefile.maint (po-check): Scan .l and .y files instead of the
10304 .c and the .h files that they generate. This fixes the bug
10305 reported by Tim Van Holder in:
10306 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
10307 Look for N_ as well as for _. Try to avoid matching #define for
10309 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
10310 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
10311 * src/scan-gram.l: Revamp regular expressions so that " and '
10312 do not confuse xgettext.
10314 * src/struniq.h (struniq_new): Do not declare the return type
10315 to be 'const'; this violates the C standard.
10316 * src/struniq.c (struniq_new): Likewise.
10318 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
10320 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
10321 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
10324 2002-11-12 Akim Demaille <akim@epita.fr>
10326 * Makefile.maint: Sync with Autoconf:
10327 (local_updates): New.
10329 2002-11-12 Akim Demaille <akim@epita.fr>
10331 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
10333 2002-11-12 Akim Demaille <akim@epita.fr>
10335 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
10338 2002-11-12 Akim Demaille <akim@epita.fr>
10340 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
10343 2002-11-12 Akim Demaille <akim@epita.fr>
10345 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
10346 Use it to test the GLR parser.
10348 2002-11-12 Akim Demaille <akim@epita.fr>
10350 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
10352 * data/glr.c (yystos): New.
10353 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
10354 (YYDSYMPRINT): New.
10355 (yyval): Don't define it, it is handled via M4.
10356 (yyrecoverParseError): Free verbosely the discarded symbols.
10357 * data/yacc.c (yysymprint): Remove, rather...
10358 (b4_yysymprint_generate): invoke.
10359 * data/c.m4 (b4_yysymprint_generate): New.
10360 Accept pointers as arguments, as opposed to the version from
10362 (b4_yydestruct_generate): Likewise.
10363 * tests/cations.at (Printers and Destructors): Use Bison directives
10364 instead of CPP macros.
10365 Don't rely on internal details.
10367 2002-11-12 Akim Demaille <akim@epita.fr>
10369 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
10370 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
10371 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
10372 it against YYEMPTY and so forth), work on yytoken (i.e., set
10373 it to YYEMPTY etc.).
10374 (yydestruct): Replace with a b4_yydestruct_generate invocation.
10375 (b4_symbol_actions): Remove.
10376 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
10377 for 0, end-of-input.
10379 2002-11-12 Akim Demaille <akim@epita.fr>
10381 * doc/bison.texinfo (Destructor Decl): New.
10383 2002-11-12 Akim Demaille <akim@epita.fr>
10385 * src/tables.c (tables_generate): Use free for pointers that
10386 cannot be NULL, not XFREE.
10387 (pack_vector): Use assert, not fatal, for bound violations.
10388 * src/state.c (state_new): Likewise.
10389 * src/reader.c (reader): Likewise.
10390 * src/lalr.c (set_goto_map): Likewise.
10391 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
10394 2002-11-12 Akim Demaille <akim@epita.fr>
10396 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
10398 * src/scan-gram.l (last_string): Is global to the file, not to
10400 * src/parse-gram.y (input): Don't append the epilogue here,
10401 (epilogue.opt): do it here, and free the scanner's obstack.
10402 * src/reader.c (epilogue_set): Rename as...
10403 (epilogue_augment): this.
10404 * data/c.m4 (b4_epilogue): Defaults to empty.
10406 2002-11-12 Akim Demaille <akim@epita.fr>
10408 * src/getargs.c (long_options): Remove duplicates.
10409 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
10411 * doc/bison.rnh: Remove.
10412 * doc/bison.texinfo (VMS Invocation): Remove.
10414 2002-11-12 Akim Demaille <akim@epita.fr>
10416 * src/struniq.h, src/struniq.c (struniq_t): Is const.
10417 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
10419 Use struniq for symbols.
10421 * src/symtab.h (symbol_t): The tag member is a struniq.
10422 (symbol_type_set): Adjust.
10423 * src/symtab.c (symbol_new): Takes a struniq.
10424 (symbol_free): Don't free the tag member.
10425 (hash_compare_symbol_t, hash_symbol_t): Rename as...
10426 (hash_compare_symbol, hash_symbol): these.
10427 Use the fact that tags as struniqs.
10428 (symbol_get): Use struniq_new.
10429 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
10431 * src/reader.h (merger_list, grammar_currentmerge_set): The name
10432 and type members are struniqs.
10433 * src/reader.c (get_merge_function)
10434 (grammar_current_rule_merge_set): Adjust.
10435 (TYPE, current_type): Are struniq.
10437 Use struniq for file names.
10439 * src/files.h, src/files.c (infile): Split into...
10440 (grammar_file, current_file): these.
10441 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
10442 * src/reduce.c (reduce_print): Likewise.
10443 * src/getargs.c (getargs): Likewise.
10444 * src/complain.h, src/complain.c: Likewise.
10445 * src/main.c (main): Call struniqs_new early enough to use it for
10447 Don't free the input file name.
10449 2002-11-12 Akim Demaille <akim@epita.fr>
10451 * src/symtab.c (symbol_free): Remove dead deactivated code:
10452 type_name are properly removed.
10453 Don't use XFREE to free items that cannot be NULL.
10454 * src/struniq.h, src/struniq.c: New.
10455 * src/main.c (main): Initialize/free struniqs.
10456 * src/parse-gram.y (%union): Add astruniq member.
10458 * src/scan-gram.l (<{tag}>): Return a struniq.
10459 Free the obstack bit that used to store it.
10460 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
10462 2002-11-11 Paul Eggert <eggert@twinsun.com>
10464 Revamp to fix many (but not all) of the C- and M4-related quoting
10465 problems. Among other things, this fixes the Bison bug reported
10466 by Jan Hubicka when processing the Bash grammar; see:
10467 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
10469 Use new @ escapes consistently. Represent brackets with @{ and @}
10470 rather than @<:@ and @:>@, since this works a bit better with dumb
10471 editors like vi. Represent @ with @@, since @ is now consistently
10472 an escape. Use @oline@ and @ofile@ rather than __oline__ and
10473 __ofile__, to avoid unexpected expansions. Similarly, use @output
10474 rather than #output.
10476 * data/c.m4 (b4_copyright): Omit file name from comment, since
10477 the file name could contain "*/".
10478 (b4_synclines_flag): Don't quote the 2nd argument; it should already
10479 be quoted. All uses changed.
10481 * data/glr.c: Use new @ escapes consistently.
10482 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
10483 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
10484 Remove, since they couldn't handle arbitrary characters in file
10486 * data/lalr1.cc: Likewise.
10487 * data/yacc.c: Likewise.
10489 * src/files.c (output_infix): Remove; all uses removed.
10490 * src/files.h: Likewise.
10492 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
10493 mishandled funny characters in file names, and anyway it isn't
10495 * data/yacc.c: Likewise.
10496 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
10498 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
10499 * data/yacc.c: Likewise.
10501 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
10503 (muscle_init): Quote filename as a C string.
10504 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
10505 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
10506 * src/output.c (escaped_file_name_output): New function.
10507 (prepare_symbols): Quote tokens for M4.
10508 (prepare): Don't insert output_infix, output_prefix,
10509 output_parser_name, output_header_name; this is now down by scan-skel.
10510 Insert skeleton as a C string.
10512 * src/output.c (user_actions_output, symbol_destructors_output,
10513 symbol_printers_output): Quote filenames for C and M4.
10514 * src/reader.c (prologue_augment, epilogue_set): Likewise.
10516 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
10517 escapes other than \\ and \'; this simplifies the code.
10518 (<SC_STRING>): Likewise, for \\ and \".
10519 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
10520 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
10521 Use new escapes @{ and @} for [ and ].
10523 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
10524 them with auto vars.
10525 Switch to new escape scheme, where @ is the escape character uniformly.
10526 Abort if a stray escape character is found. Avoid unbounded input
10527 buffer when parsing non-escaped text.
10529 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
10530 __oline__, #output, $@, and @{ do not have unintended meanings.
10532 2002-11-09 Paul Eggert <eggert@twinsun.com>
10534 Fix the test failure due to GCC warnings described in
10535 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
10536 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
10537 evaluate to 0 if it's impossible for NINF to be in the respective
10539 (yygetLRActions, yyrecoverParseError): Use them.
10541 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
10542 counted in the token inserted at end of file. Now takes
10543 location_t *, not location_t, so that the location can be
10544 adjusted. All uses changed.
10546 * tests/regression.at (Invalid inputs): Adjust wording in
10547 diagnostic to match the new behavior.
10549 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
10550 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
10551 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
10552 abort ();'. This reduces the runtime of the "Many lookaheads"
10553 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
10556 2002-11-07 Paul Eggert <eggert@twinsun.com>
10558 * src/parse-gram.y (CHARACTER): Remove unused token.
10561 * src/scan-gram.l: Remove stack option. We no longer use the
10562 stack, since the stack was never deeper than 1; instead, use the
10563 new auto var c_context to record the stacked value.
10565 Remove nounput option. At an unexpected end of file, we now unput
10566 the minimal input necessary to end cleanly; this simplifies the
10569 Avoid unbounded token sizes where this is easy.
10571 (unexpected_end_of_file): New function.
10572 Use it to systematize the error message on unexpected EOF.
10573 (last-string): Now auto, not static.
10574 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
10575 (scanner_last_string_free): Remove; not used.
10576 (percent_percent_count): Move decl to just before use.
10577 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
10578 not the (never otherwised-used) CHARACTER.
10580 2002-11-07 Akim Demaille <akim@epita.fr>
10582 Let yyerror always receive the msg as last argument, so that
10583 yyerror can be variadic.
10585 * data/yacc.c (b4_yyerror_args): New.
10586 Use it when calling yyerror.
10587 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
10588 Use it when calling yyerror.
10589 * doc/bison.texinfo (Error Reporting): Adjust.
10590 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
10591 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
10593 2002-11-06 Akim Demaille <akim@epita.fr>
10595 #line should have quoted strings.
10596 Ideally, this should be done by m4_quotearg.
10598 * src/scan-skel.l: Include quotearg.h.
10600 * src/output.c (symbol_printers_output)
10601 (symbol_destructors_output): Quote the file name.
10603 2002-11-06 Akim Demaille <akim@epita.fr>
10605 * tests/regression.at (Invalid inputs): Adjust to the recent
10608 2002-11-06 Akim Demaille <akim@epita.fr>
10610 Restore --no-lines.
10611 Reported by Jim Kent.
10613 * data/c.m4 (b4_syncline): New.
10614 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
10615 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
10616 * src/output.c (user_actions_output): Likewise.
10617 (prepare): Define 'b4_synclines_flag'.
10618 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
10620 2002-11-06 Akim Demaille <akim@epita.fr>
10622 * src/main.c (main): Free `infile'.
10623 * src/scan-gram.l (handle_syncline): New.
10625 * src/output.c (user_actions_output, symbol_destructors_output)
10626 (symbol_printers_output): Use the location's file name, not
10628 * src/reader.c (prologue_augment, epilogue_set): Likewise.
10630 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
10632 * src/tables.c (matching_state): Don't allow states to match if
10633 either has GLR conflict entries.
10635 2002-11-05 Paul Eggert <eggert@twinsun.com>
10637 * src/scan-gram.l: Use more accurate diagnostics, e.g.
10638 "integer out of range" rather than "invalid value".
10639 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
10642 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
10643 Also, remove one static variable in the scanner.
10645 * src/scan-gram.l (braces_level): Now auto, not static.
10646 Initialize to zero if the compiler is being picky.
10647 (INITIAL): Clear braces_level instead of incrementing it.
10648 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
10649 as POSIX 1003.1-2001 requires.
10650 * src/system.h (IF_LINT): New macro, taken from coreutils.
10651 * configure.ac: Define "lint" if --enable-gcc-warnings.
10653 2002-11-05 Akim Demaille <akim@epita.fr>
10655 * src/scan-gram.l: When it starts with `%', complain about the
10656 whole directive, not just that `invalid character: %'.
10658 2002-11-04 Akim Demaille <akim@epita.fr>
10660 * Makefile.maint: Update from Autoconf.
10661 (update, cvs-update, po-update, do-po-update): New.
10663 2002-11-04 Akim Demaille <akim@epita.fr>
10665 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
10667 Have yyerror `use' its arguments.
10668 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
10669 returns true when location & yacc & pure & parse-param.
10670 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
10672 2002-11-04 Akim Demaille <akim@epita.fr>
10674 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
10676 * src/scan-gram.l: Use [\'] instead of ['] to pacify
10679 Use quote, not quote_n since LOCATION_PRINT no longer uses the
10682 2002-11-03 Paul Eggert <eggert@twinsun.com>
10684 * src/reader.c (get_merge_function, grammar_current_rule_check):
10685 Use consistent diagnostics for reporting type name clashes.
10686 Quote the types with <>, for consistency with Yacc.
10687 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
10689 2002-11-03 Akim Demaille <akim@epita.fr>
10691 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
10693 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
10694 (b4_parse_param): Remove.
10695 Use b4_identification.
10696 Propagate b4_pure_args where needed to pass them to yyerror.
10697 * data/glr.m4 (b4_parse_param): Remove.
10698 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
10699 (b4_lpure_formals): New.
10700 Use b4_identification.
10701 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
10702 b4_user_formals and b4_user_args.
10703 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
10704 (yyreportAmbiguity): When using a pure parser, also need
10705 the location, and the parse-params.
10707 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
10708 When using a pure parser, also need the parse-params.
10710 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
10711 (%pure-parser + %parse-param) LALR and GLR parsers.
10712 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
10713 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
10714 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
10715 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
10716 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
10717 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
10718 * doc/bison.texinfo: Untabify the whole file.
10719 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
10720 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
10721 (Error Reporting): Adjust to these new directives.
10722 Document %error-verbose, deprecate YYERROR_VERBOSE.
10724 2002-11-03 Akim Demaille <akim@epita.fr>
10726 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
10727 AT_CHECK_CALC_GLR invocations to use % directives, instead of
10728 command line options.
10729 * tests/cxx-type.at: Formatting changes.
10731 2002-11-03 Paul Eggert <eggert@twinsun.com>
10733 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
10734 to count columns correctly, and to check for invalid inputs.
10736 Use mbsnwidth to count columns correctly. Account for tabs, too.
10737 Include mbswidth.h.
10738 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
10739 (extend_location): New function.
10740 (YY_LINES): Remove.
10742 Handle CRLF in C code rather than in Lex code.
10743 (YY_INPUT): New macro.
10744 (no_cr_read): New function.
10746 Scan UCNs, even though we don't fully handle them yet.
10747 (convert_ucn_to_byte): New function.
10749 Handle backslash-newline correctly in C code.
10750 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
10751 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
10753 (tag, splice): New EREs. Do not allow NUL or newline in tags.
10754 Use {splice} wherever C allows backslash-newline.
10755 YY_STEP after space, newline, vertical-tab.
10756 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
10758 (letter, id): Don't assume ASCII; e.g., spell out a-z.
10760 ({int}, handle_action_dollar, handle_action_at): Check for integer
10763 (YY_STEP): Omit trailing semicolon, so that it's more like C.
10765 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
10766 as well as \000. Check for UCHAR_MAX, not 255.
10767 Allow \x with an arbitrary positive number of digits, as in C.
10768 Check for overflow here.
10769 Allow \? and UCNs, for compatibility with C.
10771 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
10772 with quote slot used by complain_at.
10774 * tests/input.at: Add tests for backslash-newline, m4 quotes
10775 in symbols, long literals, and funny escapes in strings.
10777 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
10778 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
10779 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
10780 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
10781 * m4/mbswidth.m4: New file, from GNU coreutils.
10783 * doc/bison.texinfo (Grammar Outline): Document // comments.
10784 (Symbols): Document that trigraphs have no special meaning in Bison,
10785 nor is backslash-newline allowed.
10786 (Actions): Document that trigraphs have no special meaning.
10788 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
10791 2002-11-02 Paul Eggert <eggert@twinsun.com>
10793 * src/reader.c: Don't include quote.h; not needed.
10794 (get_merge_function): Reword warning to be consistent with
10795 type clash diagnostic in grammar_current_rule_check.
10797 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
10798 bug in trigraph handling.
10800 * src/output.c (prepare_symbols): When printing token names,
10801 escape "[" as "@<:@" and likewise for "]".
10803 * src/system.h (errno): Remove declaration, as we are now
10804 assuming C89 or better, and C89 guarantees errno.
10806 2002-10-30 Paul Eggert <eggert@twinsun.com>
10808 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
10809 Check for close failures.
10810 * src/files.h (xfclose): Return void, not int, since it always
10812 * src/files.c (xfclose): Likewise. Report I/O error if ferror
10814 * src/output.c (output_skeleton): Use xfclose rather than fclose
10815 and ferror. xfclose now checks ferror.
10817 * data/glr.c (YYLEFTMOST_STATE): Remove.
10818 (yyreportTree): Use a stack-based leftmost state. This avoids
10819 our continuing battles with bogus warnings about initializers.
10821 2002-10-30 Akim Demaille <akim@epita.fr>
10823 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
10826 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
10828 * tests/glr-regr1.at: New test for reported regressions.
10829 * tests/testsuite.at: Add glr-regr1.at test.
10830 * tests/Makefile.am: Add glr-regr1.at test.
10832 2002-10-24 Paul Eggert <eggert@twinsun.com>
10836 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
10837 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
10838 we use malloc. Don't assume 'A' through 'Z' are contiguous.
10839 Don't assume strdup exists; POSIX says its an XSI extension.
10840 Check for buffer overflow on input.
10842 2002-10-24 Akim Demaille <akim@epita.fr>
10844 * src/output.c (output_skeleton): Don't disable M4sugar comments
10845 too soon: it results in comments being expanded.
10846 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
10849 2002-10-24 Akim Demaille <akim@epita.fr>
10851 * data/yacc.c (m4_int_type): New.
10852 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
10853 char' as only yacc.c wants K&R portability.
10854 * data/glr.c (yysigned_char): Remove.
10855 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
10856 Reported by Quoc Peyrot.
10858 2002-10-23 Paul Eggert <eggert@twinsun.com>
10860 * src/main.c (main): With --trace=time, report times even if a
10861 non-fatal error occurs. Formerly, the times were reported in some
10862 such cases but not in others.
10863 * src/reader.c (reader): Just return if a complaint has been issued,
10864 instead of exiting, so that 'main' can report times.
10866 2002-10-22 Akim Demaille <akim@epita.fr>
10868 * src/system.h: Include sys/types.
10869 Reported by Bert Deknuydt.
10871 2002-10-23 Paul Eggert <eggert@twinsun.com>
10873 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
10874 Suggested by Art Haas.
10876 2002-10-22 Paul Eggert <eggert@twinsun.com>
10878 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
10879 decl; not needed any more.
10880 * src/main.c (main): Use return to exit, undoing yesterday's change.
10881 The last OS that we could find where this wouldn't work is
10882 SunOS 3.5, and that's too old to worry about now.
10884 * data/glr.c (struct yyltype): Define members even when not
10885 doing locations. This is more consistent with yacc.c, and it
10886 works around the following bug reports:
10887 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
10888 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
10890 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
10891 @acronym consistently. Standardize on "Yacc" instead of "YACC",
10892 "Algol" instead of "ALGOL". Give a bit more history about BNF.
10894 2002-10-22 Akim Demaille <akim@epita.fr>
10896 * data/README: New.
10898 2002-10-21 Paul Eggert <eggert@twinsun.com>
10900 Be consistent about 'bool'; the old code used an enum in one
10901 module and an int in another, and this violates the C standard.
10902 * m4/stdbool.m4: New file, from coreutils 4.5.3.
10903 * configure.ac (AC_HEADER_STDBOOL): Add.
10904 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
10905 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
10906 * src/symtab.c (hash_compare_symbol_t): Likewise.
10907 * src/system.h (bool, false, true): Use a definition consistent
10908 with ../lib/hash.c. All uses changed.
10910 * src/complain.c (warning_issued): Renamed from warn_message_count,
10911 so that we needn't worry about integer overflow (!).
10912 Now of type bool. All uses changed.
10913 (complaint_issued): Renamed from complain_message_count; likewise.
10915 * src/main.c (main): Use exit to exit with failure.
10917 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
10918 rather than 1 and 0.
10919 * src/main.c (main): Likewise.
10920 * src/getargs.c (getargs): Likewise.
10921 * src/reader.c (reader): Likewise.
10923 * src/getarg.c (getargs): Remove duplicate code for
10924 "Try `bison --help'".
10926 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
10927 What was that "2" for?
10929 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
10930 * src/getargs.c (usage): Likewise.
10932 * src/getargs.c (getargs): When there are too few operands, report
10933 the last one. When there are too many, report the first extra
10934 one. This is how diffutils does it.
10936 2002-10-20 Paul Eggert <eggert@twinsun.com>
10938 Remove K&R vestiges.
10939 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
10940 * src/complain.c (VA_START): Remove. Assume prototypes.
10941 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
10942 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
10943 fatal): Assume prototypes.
10944 * src/complain.h: Assume prototypes.
10945 * src/system.h (PARAMS): Remove.
10946 Include <limits.h> unconditionally, since it's guaranteeed even
10947 for a freestanding C89 compiler.
10948 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
10949 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
10951 2002-10-20 Akim Demaille <akim@epita.fr>
10953 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
10954 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
10955 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
10956 (yyresolveStates, yyresolveAction, yyresolveStack)
10957 (yyprocessOneStack): Use them.
10958 (yy_reduce_print): New.
10959 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
10961 2002-10-20 Akim Demaille <akim@epita.fr>
10963 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
10964 arguments and output `void'.
10965 (b4_c_function): Rename as...
10966 (b4_c_function_def): this.
10967 (b4_c_function_decl, b4_c_ansi_function_def)
10968 (b4_c_ansi_function_decl): New.
10969 Change the interpretation of the arguments: before `int, foo', now
10971 * data/yacc.c (yyparse): Prototype and define thanks to these.
10972 Adjust b4_c_function_def uses.
10973 * data/glr.c (yyparse): Likewise, but ANSI only.
10975 2002-10-20 Akim Demaille <akim@epita.fr>
10977 * src/output.c (prepare): Move the definition of `tokens_number',
10978 `nterms_number', `undef_token_number', `user_token_number_max'
10980 (prepare_tokens): Here.
10981 (prepare_tokens): Rename as...
10982 (prepare_symbols): this.
10983 (prepare): Move the definition of `rules_number' to...
10984 (prepare_rules): here.
10985 (prepare): Move the definition of `last', `final_state_number',
10986 `states_number' to...
10987 (prepare_states): here.
10988 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
10990 2002-10-20 Akim Demaille <akim@epita.fr>
10992 * src/tables.h, src/tables.c, src/output.c: Comment changes.
10994 2002-10-20 Akim Demaille <akim@epita.fr>
10996 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
10999 2002-10-20 Akim Demaille <akim@epita.fr>
11001 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
11002 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
11004 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
11006 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
11007 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
11010 2002-10-19 Paul Eggert <eggert@twinsun.com>
11012 Do not create a temporary file, as that involves security and
11013 cleanup headaches. Instead, use a pair of pipes.
11014 Derived from a suggestion by Florian Krohm.
11015 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
11016 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
11017 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
11018 (BISON_PREREQ_SUBPIPE): Add.
11019 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
11020 Add subpipe.h, subpipe.c.
11021 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
11022 * po/POTFILES.in: Add lib/subpipe.c.
11023 * src/output.c: Include "subpipe.h".
11024 (m4_invoke): Remove decl.
11025 (scan_skel): New decl.
11026 (output_skeleton): Use pipe rather than temporary file for m4 input.
11027 Check that m4sugar.m4 is readable, to avoid deadlock.
11028 Check for pipe I/O error.
11029 * src/scan-skel.l (readpipe): Remove decl.
11030 (scan_skel): New function, to be used in place of m4_invoke.
11031 Read from stream rather than file.
11033 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
11034 float, as this generates a warning on Solaris 8 + GCC 3.2 with
11035 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
11036 this generates a more-accurate value anyway.
11038 * lib/timevar.c (timervar_accumulate): Rename locals to
11039 avoid confusion with similarly-named more-global.
11040 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
11042 * src/output.c (prepare): Use xstrdup to convert char const *
11043 to char *, to avoid GCC warning.
11045 2002-10-19 Akim Demaille <akim@epita.fr>
11047 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
11048 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
11049 Use them to have `calc.y' ready for %pure-parser.
11050 * data/yacc.c (YYLEX): Pass a yylex return type to
11051 b4_c_function_call.
11053 2002-10-19 Akim Demaille <akim@epita.fr>
11055 Prototype support of %lex-param and %parse-param.
11057 * src/parse-gram.y: Add the definition of the %lex-param and
11058 %parse-param tokens, plus their rules.
11059 Drop the `_' version of %glr-parser.
11061 * src/scan-gram.l (INITIAL): Scan them.
11062 * src/muscle_tab.c: Comment changes.
11063 (muscle_insert, muscle_find): Rename `pair' as `probe'.
11064 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
11065 (muscle_entry_s): The `value' member is no longer const.
11066 Adjust all dependencies.
11067 * src/muscle_tab.c (muscle_init): Adjust: use
11068 MUSCLE_INSERT_STRING.
11069 Initialize the obstack earlier.
11070 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
11071 (muscle_pair_list_grow): New.
11072 * data/c.m4 (b4_c_function_call, b4_c_args): New.
11073 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
11074 * tests/calc.at: Use %locations, not --locations.
11075 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
11077 2002-10-19 Akim Demaille <akim@epita.fr>
11079 * src/getargs.c (usage): Take status as argument and exit
11081 Report the traditional `Try ... --help' message when status != 0.
11082 (usage, version): Don't take a FILE * as arg, it is pointless.
11083 (getargs): When there is an incorrect number of arguments, make it
11084 an error, and report it GNUlically thanks to `usage ()'.
11086 2002-10-18 Paul Eggert <eggert@twinsun.com>
11088 * data/glr.c (yyreportParseError): Don't assume that sprintf
11089 yields the length of the printed string, as this is not true
11090 on SunOS 4.1.4. Reported by Peter Klein.
11092 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
11093 * tests/conflicts.at (%nonassoc and eof): Likewise.
11094 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
11096 2002-10-17 Akim Demaille <akim@epita.fr>
11098 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
11099 * src/getargs.c (trace_types, trace_args): Adjust.
11100 * src/reader.c (grammar_current_rule_prec_set)
11101 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
11102 Standardize error messages.
11103 And s/@prec/%prec/!
11104 (reader): Use trace_flag to enable scanner/parser debugging,
11105 instead of an adhoc scheme.
11106 * src/scan-gram.l: Remove trailing debugging code.
11108 2002-10-16 Paul Eggert <eggert@twinsun.com>
11110 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
11113 * NEWS: Officially drop support for building Bison with K&R C,
11114 since it didn't work anyway and it's not worth worrying about.
11115 * Makefile.maint (wget_files): Remove ansi2knr.c.
11116 (ansi2knr.c-url_prefix): Remove.
11117 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
11118 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
11119 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
11121 2002-10-15 Paul Eggert <eggert@twinsun.com>
11123 Stop using the "enum_" trick for K&R-style function definitions;
11124 it confused me, and I was the author! Instead, assume that people
11125 who want to use K&R C compilers (when using these modules in GCC,
11126 perhaps?) will run ansi2knr.
11128 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
11129 All uses of "enum_" changed to "enum ".
11130 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
11131 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
11133 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
11134 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
11135 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
11136 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
11137 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
11138 abitset_not, abitset_ones, abitset_or, abitset_or_and,
11139 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
11140 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
11141 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
11142 Use function prototypes; this removes the need for declaring
11143 static functions simply to provide their prototypes.
11144 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
11145 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
11146 bitset_count_, bitset_create, bitset_dump, bitset_first,
11147 bitset_free, bitset_init, bitset_last, bitset_next,
11148 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
11149 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
11150 bitset_print, bitset_release_memory, bitset_toggle_,
11151 bitset_type_choose, bitset_type_get, bitset_type_name_get,
11152 debug_bitset): Likewise.
11153 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
11154 * lib/bitset_stats.c (bitset_log_histogram_print,
11155 bitset_percent_histogram_print, bitset_stats_and,
11156 bitset_stats_and_cmp, bitset_stats_and_or,
11157 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
11158 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
11159 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
11160 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
11161 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
11162 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
11163 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
11164 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
11165 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
11166 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
11167 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
11168 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
11169 bitset_stats_zero): Likewise.
11170 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
11171 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
11172 bitsetv_dump, debug_bitsetv): Likewise.
11173 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
11174 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
11175 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
11176 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
11177 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
11178 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
11179 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
11180 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
11181 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
11182 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
11183 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
11185 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
11186 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
11187 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
11188 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
11189 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
11190 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
11191 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
11192 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
11193 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
11194 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
11195 lbitset_xor_cmp, lbitset_zero): Likewise.
11197 2002-10-14 Akim Demaille <akim@epita.fr>
11201 2002-10-14 Akim Demaille <akim@epita.fr>
11203 * tests/Makefile.am (maintainer-check-posix): New.
11205 2002-10-14 Akim Demaille <akim@epita.fr>
11207 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
11210 2002-10-14 Akim Demaille <akim@epita.fr>
11212 * src/tables.c (table_ninf_remap): base -> tab.
11213 Reported by Matt Rosing.
11215 2002-10-14 Paul Eggert <eggert@twinsun.com>
11217 * tests/action.at, tests/calc.at, tests/conflicts.at,
11218 tests/cxx-type.at, tests/headers.at, tests/input.at,
11219 tests/regression.at, tests/synclines.at, tests/torture.at:
11220 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
11221 so that the tests still work even if POSIXLY_CORRECT is set.
11222 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
11224 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
11225 for portability to K&R hosts. Fix typo: signed char is guaranteed
11226 only to 127, not to 128.
11227 * data/glr.c (yysigned_char): New type.
11228 * data/yacc.c (yysigned_char): Likewise.
11229 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
11231 2002-10-13 Paul Eggert <eggert@twinsun.com>
11233 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
11234 true due to limited range of data type" warning from GCC.
11236 * data/c.m4 (b4_token_defines): Protect against double-inclusion
11237 by wrapping enum yytokentype's definition inside #ifndef
11238 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
11240 2002-10-13 Akim Demaille <akim@epita.fr>
11242 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
11243 Un yy- yyrhs to avoid the name clash with the global YYRHS.
11245 2002-10-13 Akim Demaille <akim@epita.fr>
11247 * Makefile.maint: Update from Autoconf 2.54.
11248 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
11250 2002-10-13 Akim Demaille <akim@epita.fr>
11252 * src/print.c (print_state): Separate the list of solved conflicts
11253 from the other items.
11254 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
11256 2002-10-13 Akim Demaille <akim@epita.fr>
11258 Let nondeterministic skeletons be usable with deterministic
11261 With the patch, GAWK compiled by GCC without -O2 passes its test
11262 suite using a GLR parser driven by LALR tables. It fails with -O2
11263 because `struct stat' gives two different answers on my machine:
11264 88 (definition of an auto var) and later 96 (memset on this var).
11265 Hence the stack is badly corrumpted. The headers inclusion is to
11266 blame: if I move the awk.h inclusion before GLR's system header
11267 inclusion, the two struct stat have the same size.
11269 * src/tables.c (pack_table): Always create conflict_table.
11270 (token_actions): Always create conflict_list.
11271 * data/glr.c (YYFLAG): Remove, unused.
11273 2002-10-13 Akim Demaille <akim@epita.fr>
11275 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
11277 (VALGRIND, GXX): New.
11278 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
11279 * tests/bison.in: Run $PREBISON a pre-command.
11280 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
11281 (maintainer-check-g++): New.
11282 * Makefile.am (maintainer-check): New.
11284 2002-10-13 Akim Demaille <akim@epita.fr>
11286 * data/glr.c: Formatting changes.
11287 Tweak some trace messages to match yacc.c's.
11289 2002-10-13 Akim Demaille <akim@epita.fr>
11291 GLR parsers sometimes raise parse errors instead of performing the
11293 Reported by Charles-Henry de Boysson.
11295 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
11296 check the length of the traces when %glr.
11297 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
11299 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
11301 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
11302 (yyltype): Remove the yy prefix from the member names.
11303 (yytable): Complete its comment.
11304 (yygetLRActions): Map error action number from YYTABLE from
11306 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
11307 (which was a bug: it should have been YYTABEL_NINF, and yet it was
11308 not satisfying as we could compare an YYACTION computed from
11309 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
11310 only value for error actions.
11311 (yyreportParseError): In verbose parse error messages, don't issue
11312 `error' in the list of expected tokens.
11313 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
11314 next action to perform to match glr.c's decoding.
11315 (yytable): Complete its comment.
11317 2002-10-13 Paul Eggert <eggert@twinsun.com>
11319 Fix problem reported by Henrik Grubbstroem in
11320 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
11321 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
11322 because the Bison parser reads the second action before reducing
11324 * src/scan-gram.l (rule_length): New static var.
11325 Use it to keep track of the rule length in the scanner, since
11326 we can't expect the parser to be in lock-step sync with the scanner.
11327 (handle_action_dollar, handle_action_at): Use this var.
11328 * tests/actions.at (Exotic Dollars): Test for the problem.
11330 2002-10-12 Paul Eggert <eggert@twinsun.com>
11332 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
11333 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
11334 Include <sys/time.h> when checking for clock_t and struct tms.
11335 Use same include order as source.
11336 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
11337 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
11339 * lib/timevar.c: Update copyright date and clarify comments.
11340 (get_time) [IN_GCC]: Keep the GCC version for reference.
11342 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
11343 GCC version as of today, then merge Bison's changes.
11344 Change "GCC" to "Bison" in copyright notice. timevar.def's
11345 author is Akim, so change that too.
11347 * src/reader.c (grammar_current_rule_check):
11348 Don't worry about the default action if $$ is untyped.
11349 Prevents bogus warnings reported by Jim Gifford in
11350 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
11352 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
11353 * data/glr.c, data/lalr1.cc, data/yacc.c:
11354 Output token definitions before the first part of user declarations.
11355 Fixes compatibility problem reported by Jim Gifford for kbd in
11356 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
11358 2002-10-11 Paul Eggert <eggert@twinsun.com>
11360 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
11361 (yyparse): here. This undoes some of the 2002-07-25 change.
11362 Compatibility problem reported by Ralf S. Engelschall with
11363 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
11365 2002-10-11 Akim Demaille <akim@epita.fr>
11367 * tests/regression.at Characters Escapes): New.
11368 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
11370 Reported by Jan Nieuwenhuizen.
11372 2002-10-11 Akim Demaille <akim@epita.fr>
11376 2002-10-10 Paul Eggert <eggert@twinsun.com>
11378 Portability fixes for bitsets; this also avoids several GCC
11381 * lib/abitset.c: Include <stddef.h>, for offsetof.
11382 * lib/lbitset.c: Likewise.
11384 * lib/abitset.c (abitset_bytes): Return a size that is aligned
11385 properly for vectors of objects. Do not assume that adding a
11386 header size to a multiple of a word size yields a value that is
11387 properly aligned for the whole union.
11388 * lib/bitsetv.c (bitsetv_alloc): Likewise.
11390 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
11391 unique names for structures.
11392 * lib/ebitset.c (ebitset_bytes): Likewise.
11393 * lib/lbitset.c (lbitset_bytes): Likewise.
11395 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
11396 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
11397 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
11398 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
11399 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
11400 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
11401 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
11402 to improve the type-checking that GCC can do.
11403 * lib/bitset.c (bitset_op4_cmp): Likewise.
11404 * lib/bitset_stats.c (bitset_stats_count,
11405 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
11406 bitset_stats_copy, bitset_stats_disjoint_p,
11407 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
11408 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
11409 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
11410 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
11411 bitset_stats_and_or_cmp, bitset_stats_andn_or,
11412 bitset_stats_andn_or_cmp, bitset_stats_or_and,
11413 bitset_stats_or_and_cmp): Likewise.
11414 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
11415 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
11416 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
11417 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
11419 * lib/abitset.h: Include bitset.h, not bbitset.h.
11420 * lib/ebitset.h: Likewise.
11421 * lib/lbitset.h: Likewise.
11423 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
11424 All instances of parameters of type enum bitset_opts are now of
11425 type enum_bitset_opts, to conform to the C Standard, and similarly
11426 for enum_bitset_type.
11427 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
11428 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
11430 Do not use "struct bitset_struct" to mean different things in
11431 different modules. Not only is this confusing, it violates
11432 the C Standard, which requires that structure types in different
11433 modules must be compatible if one is to be passed to the other.
11434 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
11435 All instances of "struct bitset_struct *" replaced with "bitset".
11436 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
11437 (union bitset_union, struct abitset_struct, struct ebitset_struct,
11438 struct lbitset_struct, struct bitset_stats_struct): New types.
11439 All uses of struct bitset_struct changed to union bitset_union,
11441 * lib/abitset.c (struct abitset_struct, abitset,
11442 struct bitset_struct): Remove.
11443 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
11444 struct bitset_struct): Remove.
11445 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
11446 bitset_struct): Remove.
11447 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
11450 Do not call a function of type T using a call that assumes the
11451 function is of a different type U. Standard C requires that a
11452 function must be called with a type that is compatible with its
11454 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
11456 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
11458 * lib/ebitset.c (PFV): Remove.
11459 * lib/lbitset.c (PFV): Likewise.
11460 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
11461 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
11463 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
11464 (ebitset_vtable): Use them.
11465 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
11466 lbitset_xor): New functions.
11467 (lbitset_vtable): Use them.
11469 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
11472 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
11474 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
11475 Use offsetof, for simplicity.
11477 2002-10-06 Paul Eggert <eggert@twinsun.com>
11479 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
11480 the same width as int. This reapplies a hunk of the 2002-08-12 patch
11481 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
11482 which was inadvertently undone by the 2002-09-30 patch.
11483 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
11484 the same width as int.
11486 2002-10-04 Paul Eggert <eggert@twinsun.com>
11490 * configure.ac (AC_INIT), NEWS: Increment version number.
11492 * doc/bison.texinfo: Minor spelling, grammar, and white space
11494 (Symbols): Mention that any negative value returned from yylex
11495 signifies end-of-input. Warn about negative chars. Mention
11496 the portable Standard C character set.
11498 The GNU coding standard says CFLAGS and YFLAGS are reserved
11499 for the installer to set.
11500 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
11501 * src/Makefile.am (AM_CFLAGS): Likewise.
11502 (AM_YFLAGS): Renamed from YFLAGS.
11504 Fix some MAX and MIN problems.
11505 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
11506 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
11507 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
11508 * src/reader.c (reader): Use it.
11510 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
11511 POSIX 1003.1-2001 has removed fgrep.
11513 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11515 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
11516 interpreted as signed.
11517 * lib/ebitset.c (ebitset_list): Fix bug.
11519 2002-10-01 Paul Eggert <eggert@twinsun.com>
11521 More fixes for 64-bit hosts and large bitsets.
11523 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
11524 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
11525 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
11526 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
11527 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
11528 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
11529 bitset_count_): Likewise.
11530 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
11531 bitset_first, bitset_last): Likewise.
11532 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
11533 bitset_stats_list_reverse, bitset_stats_size,
11534 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
11536 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
11537 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
11538 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
11539 bitsetv_reflexive_transitive_closure): Likewise.
11540 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
11541 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
11543 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
11546 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
11547 Use size_t, not unsigned int, to count bytes.
11548 * lib/abitset.h (abitset_bytes): Likewise.
11549 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
11551 * lib/bitset.h (bitset_bytes): Likewise.
11552 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
11553 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
11554 * lib/bitsetv.c (bitsetv_alloc): Likewise.
11555 * lib/ebitset.c (ebitset_bytes): Likewise.
11556 * lib/ebitset.h (ebitset_bytes): Likewise.
11557 * lib/lbitset.c (lbitset_bytes): Likewise.
11558 * lib/lbitset.h (lbitset_bytes): Likewise.
11560 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
11561 abitset_subset_p, abitset_disjoint_p, abitset_and,
11562 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
11563 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
11564 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
11565 abitset_or_and, abitset_or_and_cmp):
11566 Use bitset_windex instead of unsigned int.
11567 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
11568 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
11569 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
11570 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
11572 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
11574 * lib/bitset.c (bitset_print):
11575 Use proper printf formats for widths of integer types.
11576 * lib/bitset_stats.c (bitset_percent_histogram_print,
11577 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
11578 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
11579 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
11580 * lib/lbitset.c (lbitset_bytes): Likewise.
11582 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
11583 BITSET_SIZE_MAX): New macros.
11584 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
11585 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
11586 to BITSET_WINDEX_MAX.
11588 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
11589 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
11590 since we now return the bitset_bindex type (not int).
11592 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
11593 when computing sizes.
11594 * lib/ebitset.c (ebitset_elts_grow): Likewise.
11596 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
11597 and avoid cast to unsigned.
11599 2002-09-30 Akim Demaille <akim@epita.fr>
11601 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
11602 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
11603 Updates from Michael Hayes.
11605 2002-09-30 Art Haas <ahaas@neosoft.com>
11607 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
11609 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
11612 2002-09-27 Akim Demaille <akim@epita.fr>
11616 2002-09-27 Akim Demaille <akim@epita.fr>
11618 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
11619 (Because of AC_LIBSOURCE).
11621 2002-09-27 Akim Demaille <akim@epita.fr>
11623 Playing with Autoscan.
11625 * configure.ac: Remove the old LIBOBJ tweaks.
11626 (AC_REPLACE_FUNCS): Add strrchr and strtol.
11627 * lib/strrchr.c: New.
11628 * lib/strtol.c: New, from the Coreutils 4.5.1.
11630 2002-09-27 Akim Demaille <akim@epita.fr>
11632 Playing with Autoscan.
11634 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
11635 * lib/Makefile.am (libbison_a_SOURCES): No longer include
11636 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
11637 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
11640 2002-09-24 Akim Demaille <akim@epita.fr>
11642 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
11643 (Frequently Asked Questions, Parser Stack Overflow): New.
11645 2002-09-13 Akim Demaille <akim@epita.fr>
11647 Playing with autoscan.
11649 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
11650 * src/files.c (skeleton_find): Remove, unused.
11651 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
11652 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
11654 2002-09-13 Akim Demaille <akim@epita.fr>
11656 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
11657 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
11659 2002-09-13 Akim Demaille <akim@epita.fr>
11661 * configure.ac: Require 2.54.
11662 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
11663 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
11664 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
11665 Remove, provided by Autoconf macros.
11667 2002-09-12 Akim Demaille <akim@epita.fr>
11669 * m4/prereq.m4: Update, from Coreutils 4.5.1.
11671 2002-09-12 Akim Demaille <akim@epita.fr>
11673 * m4/prereq.m4: Update, from Fileutils 4.1.5.
11674 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
11675 Reported by Martin Mokrejs.
11677 2002-09-10 Akim Demaille <akim@epita.fr>
11679 * src/parse-gram.y: Associate a human readable string to each
11681 * tests/regression.at (Invalid inputs): Adjust.
11683 2002-09-10 Gary V. Vaughan <gary@gnu.org>
11685 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
11686 with an Autoconf-2.5x style configure.ac.
11688 2002-09-06 Paul Eggert <eggert@twinsun.com>
11690 * doc/bison.texinfo (Conditions): Make explicit that the GPL
11691 exception applies only to yacc.c. This is a modification of a
11692 patch originally suggested by Akim Demaille.
11694 2002-09-06 Akim Demaille <akim@epita.fr>
11696 * data/c.m4 (b4_copyright): Move the GPL exception comment from
11698 * data/yacc.c: here.
11700 * data/lalr1.cc (struct yyltype): Don't define it, since we use
11702 (b4_ltype): Default to yy::Location from location.hh.
11704 2002-09-04 Jim Meyering <jim@meyering.net>
11706 * data/yacc.c: Guard the declaration of yytoknum also with
11707 `#ifdef YYPRINT', so it is declared only when used.
11709 2002-09-04 Akim Demaille <akim@epita.fr>
11711 * configure.in: Rename as...
11712 * configure.ac: this.
11715 2002-09-04 Akim Demaille <akim@epita.fr>
11717 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
11718 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
11719 translate maintainer only messages.
11721 2002-08-12 Paul Eggert <eggert@twinsun.com>
11725 * Makefile.am (SUBDIRS): Remove intl.
11726 (DISTCLEANFILES): Remove.
11727 * NEWS: Mention that GNU M4 is now required. Clarify what is
11728 meant by "larger grammars". Mention the pt_BR translation.
11729 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
11730 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
11731 Bump version from 0.11.2 to 0.11.5.
11732 (BISON_PREREQ_STAGE): Remove.
11733 (AM_GNU_GETTEXT): Use external gettext.
11734 (AC_OUTPUT): Remove intl/Makefile.
11736 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
11738 * data/glr.c: Include string.h, for strlen.
11739 (yyreportParseError): Use size_t for yysize.
11740 (yy_yypstack): No longer nested inside yypstates, as nested
11741 functions are not portable. Do not assume size_t is the
11743 (yypstates): Do not assume that ptrdiff_t is the same width
11744 as int, and similarly for yyposn and YYINDEX.
11746 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
11748 * lib/Makefile.am (INCLUDES): Do not include from the intl
11749 directory, which has been removed.
11750 * src/Makefile.am (INCLUDES): Likewise.
11752 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
11753 (bitsets_sources, additional_bitsets_sources, timevars_sources):
11756 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
11757 * tests/Makefile.am (EXTRA_DIST): Likewise.
11759 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
11760 Do not assume that bitset_windex is the same width as unsigned.
11762 * lib/abitset.c (abitset_unused_clear): Do not assume that
11763 bitset_word is the same width as int.
11764 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
11765 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
11766 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
11767 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
11768 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
11770 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
11771 portability to one's complement hosts!).
11772 * lib/ebitset.c (ebitset_op1): Likewise.
11773 * lib/lbitset.c (lbitset_op1): Likewise.
11775 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
11776 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
11777 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
11778 Sync with fileutils.
11779 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
11780 lib/gettext.h: Sync with diffutils.
11782 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
11783 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
11785 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
11786 PROTOTYPES to check for prototypes, and "defined __STDC__" to
11789 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
11790 size_t; the old version tried to do this but casted improperly.
11791 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
11792 (bitset_test): Now returns int, not unsigned long.
11794 * lib/bitset_stats.c: Include "gettext.h".
11796 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
11797 name locals "index", as it generates unnecessary warnings on some
11798 hosts that have an "index" function.
11800 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
11801 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
11802 they need translation.
11803 * src/LR0.c (state_list_append, new_itemsets, get_state,
11804 append_states, generate_states): Likewise.
11805 * src/assoc.c (assoc_to_string): Likewise.
11806 * src/closure.c (print_closure, set_firsts, closure): Likewise.
11807 * src/gram.c (grammar_dump): Likewise.
11808 * src/injections.c (injections_compute): Likewise.
11809 * src/lalr.c (lookaheads_print): Likewise.
11810 * src/relation.c (relation_transpose): Likewise.
11811 * src/scan-gram.l: Likewise.
11812 * src/tables.c (table_grow, pack_vector): Likewise.
11814 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
11815 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
11816 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
11817 * m4/mbstate_t.m4: Sync with fileutils.
11818 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
11820 * po/LINGUAS: Add pt_BR.
11821 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
11822 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
11824 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
11826 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
11828 * src/complain.c (strerror_r): Remove decl; not needed.
11829 (strerror): Use same pattern as ../lib/error.c.
11831 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
11833 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
11835 * src/main.c (main): Cast result of bindtextdomain and textdomain
11836 to void, to avoid a GCC warning when --disable-nls is in effect.
11838 * src/scan-gram.l: Use strings rather than escapes when possible,
11839 to minimize the number of warnings from xgettext.
11840 (handle_action_dollar, handle_action_at): Don't use isdigit,
11841 as it mishandles negative chars and it may not work as expected
11842 outside the C locale.
11844 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
11845 this is a GCC extension and is not portable to other compilers.
11847 * src/system.h (alloca): Use same pattern as ../lib/error.c.
11848 Do not include <ctype.h>; no longer needed.
11849 Do not include <malloc.h>; no longer needed (and generates
11850 warnings on OpenBSD 3.0).
11852 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
11855 * tests/regression.at: Do not use 'cc -c input.c -o input';
11856 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
11858 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
11859 exit status as failure, not just exit status 1. Sun C exits
11860 with status 2 sometimes.
11862 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
11863 Use it for the two large tests.
11865 2002-08-02 Akim Demaille <akim@epita.fr>
11867 * src/conflicts.c (conflicts_output): Don't output rules never
11868 reduced here, since anyway that computation doesn't work.
11869 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
11870 (rule_useless_p, rule_never_reduced_p): New.
11871 (grammar_rules_partial_print): Use a filter instead of a range.
11872 Display the title only if needed.
11873 (grammar_rules_print): Adjust.
11874 (grammar_rules_never_reduced_report): New.
11875 * src/tables.c (action_row): Move the computation of rules never
11877 (token_actions): here.
11878 * src/main.c (main): Make the parser before making the report, so
11879 that rules never reduced are computed.
11880 Call grammar_rules_never_reduced_report.
11881 * src/print.c (print_results): Report rules never reduced.
11882 * tests/conflicts.at, tests/reduce.at: Adjust.
11884 2002-08-01 Akim Demaille <akim@epita.fr>
11886 Instead of attaching lookaheads and duplicating the rules being
11887 reduced by a state, attach the lookaheads to the reductions.
11889 * src/state.h (state_t): Remove the `lookaheads',
11890 `lookaheads_rule' member.
11891 (reductions_t): Add a `lookaheads' member.
11892 Use a regular array for the `rules'.
11893 * src/state.c (reductions_new): Initialize the lookaheads member
11895 (state_rule_lookaheads_print): Adjust.
11896 * src/state.h, src/state.c (state_reductions_find): New.
11897 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
11898 (count_rr_conflicts): Adjust.
11899 * src/lalr.c (LArule): Remove.
11900 (add_lookback_edge): Adjust.
11901 (state_lookaheads_count): New.
11902 (states_lookaheads_initialize): Merge into...
11903 (initialize_LA): this.
11904 (lalr_free): Adjust.
11905 * src/main.c (main): Don't free nullable and derives too early: it
11906 is used by --verbose.
11907 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
11909 2002-08-01 Akim Demaille <akim@epita.fr>
11911 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
11913 (set_derives, free_derives): Rename as...
11914 (derives_compute, derives_free): this.
11915 Adjust all dependencies.
11916 * src/nullable.c (set_nullable, free_nullable): Rename as...
11917 (nullable_compute, nullable_free): these.
11918 (rule_list_t): Store rule_t *, not rule_number_t.
11919 * src/state.c (state_rule_lookaheads_print): Directly compare rule
11920 pointers, instead of their numbers.
11921 * src/main.c (main): Call nullable_free, and derives_free earlier,
11922 as they were lo longer used.
11924 2002-08-01 Akim Demaille <akim@epita.fr>
11926 * lib/timevar.c (get_time): Include children time.
11927 * src/lalr.h (LA, LArule): Don't export them: used with the
11929 * src/lalr.c (LA, LArule): Static.
11930 * src/lalr.h, src/lalr.c (lalr_free): New.
11931 * src/main.c (main): Call it.
11932 * src/tables.c (pack_vector): Check whether loc is >= to the
11934 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
11935 (tables_generate): do it, since that's also it which allocates
11937 Don't free LA and LArule, main does.
11939 2002-07-31 Akim Demaille <akim@epita.fr>
11941 Separate parser tables computation and output.
11943 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
11944 (conflict_list, conflict_list_cnt, table, check, table_ninf)
11945 (yydefgoto, yydefact, high): Move to...
11946 * src/tables.h, src/tables.c: here.
11947 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
11948 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
11949 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
11950 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
11951 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
11952 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
11953 (action_row, save_row, token_actions, save_column, default_goto)
11954 (goto_actions, sort_actions, matching_state, pack_vector)
11955 (table_ninf_remap, pack_table, prepare_actions): Move to...
11956 * src/tables.c: here.
11957 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
11958 * src/output.c (token_actions, output_base, output_conflicts)
11959 (output_check): Merge into...
11960 (prepare_actions): this.
11961 (actions_output): Rename as...
11962 (user_actions_output): this.
11963 * src/main.c (main): Call tables_generate and tables_free.
11965 2002-07-31 Akim Demaille <akim@epita.fr>
11967 Steal GCC's --time-report support.
11969 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
11970 stolen/adjusted from GCC.
11971 * m4/stage.m4: Remove time related checks.
11972 * m4/timevar.m4: New.
11973 * configure.in: Adjust.
11974 * src/system.h: Adjust to using timevar.h.
11975 * src/getargs.h, src/getargs.c: Support trace_time for
11977 * src/main.c (stage): Remove.
11978 (main): Replace `stage' invocations with timevar calls.
11979 * src/output.c: Insert pertinent timevar calls.
11981 2002-07-31 Akim Demaille <akim@epita.fr>
11983 Let --trace have arguments.
11985 * src/getargs.h (enum trace_e): New.
11986 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
11987 (long_options, short_options): --trace/-T takes an optional
11989 Change all the uses of trace_flag to reflect the new flags.
11990 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
11992 Strengthen `stage' portability.
11994 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
11995 * configure.in: Use it.
11996 Don't check for malloc.h and sys/times.h.
11997 * src/system.h: Include them when appropriate.
11998 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
11999 times and struct tms are available.
12001 2002-07-30 Akim Demaille <akim@epita.fr>
12003 In verbose parse error message, don't report `error' as an
12005 * tests/actions.at (Printers and Destructors): Adjust.
12006 * tests/calc.at (Calculator $1): Adjust.
12007 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
12008 error message, do not report the parser accepts the error token in
12011 2002-07-30 Akim Demaille <akim@epita.fr>
12013 Normalize conflict related messages.
12015 * src/complain.h, src/complain.c (warn, complain): New.
12016 * src/conflicts.c (conflicts_print): Use them.
12017 (conflict_report_yacc): New, extracted from...
12018 (conflicts_print): here.
12019 * tests/conflicts.at, tests/existing.at: Adjust.
12021 2002-07-30 Akim Demaille <akim@epita.fr>
12023 Report rules which are never reduced by the parser: those hidden
12026 * src/LR0.c (save_reductions): Don't make the final state too
12027 different: save its reduction (accept) instead of having a state
12028 without any action (no shift or goto, no reduce).
12029 Note: the final state is now a ``regular'' state, i.e., the
12030 parsers now contain `reduce 0' as default reduction.
12031 Nevertheless, since they decide to `accept' when yystate =
12032 final_state, they still will not reduce rule 0.
12033 * src/print.c (print_actions, print_reduction): Adjust.
12034 * src/output.c (action_row): Track reduced rules.
12035 (token_actions): Report rules never reduced.
12036 * tests/conflicts.at, tests/regression.at: Adjust.
12038 2002-07-30 Akim Demaille <akim@epita.fr>
12040 `stage' was accidently included in a previous patch.
12041 Initiate its autoconfiscation.
12043 * configure.in: Look for malloc.h and sys/times.h.
12044 * src/main.c (stage): Adjust.
12045 Report only when trace_flag.
12047 2002-07-29 Akim Demaille <akim@epita.fr>
12049 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
12051 (errs_t): symbol_t*, not symbol_number_t.
12052 (reductions_t): rule_t*, not rule_number_t.
12053 (FOR_EACH_SHIFT): New.
12054 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
12055 * src/print.c, src/print_graph.c: Adjust.
12057 2002-07-29 Akim Demaille <akim@epita.fr>
12059 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
12061 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
12062 (endtoken, accept): these.
12063 * src/reader.c (reader): Set endtoken's default tag to "$end".
12064 Set undeftoken's tag to "$undefined" instead of "$undefined.".
12065 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
12068 2002-07-29 Akim Demaille <akim@epita.fr>
12070 * src/reduce.c (reduce_grammar): When the language is empty,
12071 complain about the start symbol, not the axiom.
12073 * tests/reduce.at (Empty Language): New.
12075 2002-07-26 Akim Demaille <akim@epita.fr>
12077 * src/reader.h, src/reader.c (gram_error): ... can't get
12078 yycontrol without making too strong assumptions on the parser
12080 * src/output.c (prepare_tokens): Use the real 0th value of
12081 token_translations instead of `0'.
12082 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
12084 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
12085 for the time being: %locations ought to provide it to yyerror.
12087 2002-07-25 Akim Demaille <akim@epita.fr>
12089 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
12090 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
12091 * tests/regression.at (Web2c Actions): Adjust.
12093 2002-07-25 Akim Demaille <akim@epita.fr>
12095 Stop storing rules from 1 to nrules + 1.
12097 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
12098 * src/nullable.c, src/output.c, src/print.c, src/reader.c
12099 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
12100 Iterate from 0 to nrules.
12101 Use rule_number_as_item_number and item_number_as_rule_number.
12102 Adjust to `derive' now containing possibly 0.
12103 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
12104 Handle the `- 1' part in rule numbers from/to item numbers.
12105 * src/conflicts.c (log_resolution): Fix the message which reversed
12107 * src/output.c (action_row): Initialize default_rule to -1.
12108 (token_actions): Adjust.
12109 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
12111 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
12113 2002-07-25 Akim Demaille <akim@epita.fr>
12115 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
12116 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
12117 (b4_c_knr_arg_decl): New.
12118 * data/yacc.c: Use it to define yysymprint, yydestruct, and
12119 yyreport_parse_error.
12121 2002-07-25 Akim Demaille <akim@epita.fr>
12123 * data/yacc.c (yyreport_parse_error): New, extracted from...
12125 (yydestruct, yysymprint): Move above yyparse.
12128 2002-07-25 Akim Demaille <akim@epita.fr>
12130 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
12132 (b4_sint_type, b4_uint_type): these.
12133 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
12134 * tests/regression.at (Web2c Actions): Adjust.
12136 2002-07-25 Akim Demaille <akim@epita.fr>
12138 * src/gram.h (TIEM_NUMBER_MAX): New.
12139 (item_number_of_rule_number, rule_number_of_item_number): Rename
12141 (rule_number_as_item_number, item_number_as_rule_number): these.
12142 Adjust dependencies.
12143 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
12144 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
12145 (symbol_number_to_vector_number): New.
12146 (order): Of vector_number_t* type.
12147 (base_t, BASE_MAX, BASE_MIN): New.
12148 (froms, tos, width, pos, check): Of base_t type.
12149 (action_number_t, ACTION_MIN, ACTION_MAX): New.
12150 (actrow): Of action_number_t type.
12151 (conflrow): Of unsigned int type.
12152 (table_ninf, base_ninf): New.
12153 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
12154 (muscle_insert_int_table, muscle_insert_base_table)
12155 (muscle_insert_rule_number_table): New.
12156 (prepare_tokens): Output `toknum' as int_table.
12157 (action_row): Returns a rule_number_t.
12158 Use ACTION_MIN, not SHRT_MIN.
12159 (token_actions): yydefact is rule_number_t*.
12160 (table_ninf_remap): New.
12161 (pack_table): Use it for `base' and `table'.
12162 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
12164 (YYPACT_NINF, YYTABLE_NINF): these.
12165 (yypact, yytable): Compute their types instead of hard-coded
12167 * tests/regression.at (Web2c Actions): Adjust.
12169 2002-07-19 Akim Demaille <akim@epita.fr>
12171 * src/scan-gram.l (id): Can start with an underscore.
12173 2002-07-16 Akim Demaille <akim@epita.fr>
12175 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
12176 Adjust all former `associativity' dependencies.
12177 * src/symtab.c (symbol_new): Default associativity is `undef', not
12179 (symbol_check_alias_consistence): Adjust.
12181 2002-07-09 Akim Demaille <akim@epita.fr>
12183 * doc/bison.texinfo: Properly set the ``header'' part.
12184 Use @dircategory ``GNU programming tools'' as per Texinfo's
12188 2002-07-09 Akim Demaille <akim@epita.fr>
12190 * lib/quotearg.h: Protect against multiple inclusions.
12191 * src/location.h (location_t): Add a `file' member.
12192 (LOCATION_RESET, LOCATION_PRINT): Adjust.
12193 * src/complain.c (warn_at, complain_at, fatal_at): Drop
12194 `error_one_per_line' support.
12196 2002-07-09 Akim Demaille <akim@epita.fr>
12198 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
12199 * src/reader.c (lineno): Remove.
12200 Adjust all dependencies.
12201 (get_merge_function): Take a location and use complain_at.
12202 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
12203 * tests/regression.at (Invalid inputs, Mixing %token styles):
12206 2002-07-09 Akim Demaille <akim@epita.fr>
12208 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
12209 recovery rule, and forbid extensions when --yacc.
12210 (gram_error): Use complain_at.
12211 * src/reader.c (reader): Exit if there were parse errors.
12213 2002-07-09 Akim Demaille <akim@epita.fr>
12215 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
12216 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
12217 Reported by R Blake <blakers@mac.com>.
12219 2002-07-09 Akim Demaille <akim@epita.fr>
12221 * data/yacc.c: Output the copyright notive in the header.
12223 2002-07-03 Akim Demaille <akim@epita.fr>
12225 * src/output.c (froms, tos): Are state_number_t.
12226 (save_column): sp, sp1, and sp2 are state_number_t.
12227 (prepare): Rename `final' as `final_state_number', `nnts' as
12228 `nterms_number', `nrules' as `rules_number', `nstates' as
12229 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
12231 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
12232 * data/lalr1.cc (nsym_): Remove, unused.
12234 2002-07-03 Akim Demaille <akim@epita.fr>
12236 * src/lalr.h, src/lalr.c (goto_number_t): New.
12237 * src/lalr.c (goto_list_t): New.
12239 * src/nullable.c (rule_list_t): New.
12241 * src/types.h: Remove.
12243 2002-07-03 Akim Demaille <akim@epita.fr>
12245 * src/closure.c (print_fderives): Use rule_rhs_print.
12246 * src/derives.c (print_derives): Use rule_rhs_print.
12247 (rule_list_t): New, replaces `shorts'.
12248 (set_derives): Add comments.
12249 * tests/sets.at (Nullable, Firsts): Adjust.
12251 2002-07-03 Akim Demaille <akim@epita.fr>
12253 * src/output.c (prepare_actions): Free `tally' and `width'.
12254 (prepare_actions): Allocate and free `order'.
12255 * src/symtab.c (symbols_free): Free `symbols'.
12256 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
12257 * src/output.c (m4_invoke): Move to...
12258 * src/scan-skel.l: here.
12259 (<<EOF>>): Close yyout, and free its name.
12261 2002-07-03 Akim Demaille <akim@epita.fr>
12263 Fix some memory leaks, and fix a bug: state 0 was examined twice.
12265 * src/LR0.c (new_state): Merge into...
12266 (state_list_append): this.
12267 (new_states): Merge into...
12268 (generate_states): here.
12269 (set_states): Don't ensure a proper `errs' state member here, do it...
12270 * src/conflicts.c (conflicts_solve): here.
12271 * src/state.h, src/state.c: Comment changes.
12272 (state_t): Rename member `shifts' as `transitions'.
12273 Adjust all dependencies.
12274 (errs_new): For consistency, also take the values as argument.
12275 (errs_dup): Remove.
12276 (state_errs_set): New.
12277 (state_reductions_set, state_transitions_set): Assert that no
12278 previous value was assigned.
12280 (states_free): Use it.
12281 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
12282 temporary storage: use `errs' and `nerrs' as elsewhere.
12283 (set_conflicts): Allocate and free this `errs'.
12285 2002-07-02 Akim Demaille <akim@epita.fr>
12287 * lib/libiberty.h: New.
12288 * lib: Update the bitset implementation from upstream.
12289 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
12290 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
12291 * src/main.c: Adjust bitset stats calls.
12293 2002-07-01 Paul Eggert <eggert@twinsun.com>
12295 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
12296 char, so that negative chars don't collide with $.
12298 2002-06-30 Akim Demaille <akim@epita.fr>
12300 Have the GLR tests be `warning' checked, and fix the warnings.
12302 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
12303 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
12304 (yyremoveDeletes): `yyi' and `yyj' are size_t.
12305 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
12306 (yyaddDeferredAction): static.
12307 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
12308 (yyreportParseError): yyprefix is const.
12309 yytokenp is used only when verbose.
12310 (yy__GNUC__): Replace with __GNUC__.
12311 (yypdumpstack): yyi is size_t.
12312 (yypreference): Un-yy local variables and arguments, to avoid
12313 clashes with `yyr1'. Anyway, we are not in the user name space.
12314 (yytname_size): be an int, as is compared with ints.
12315 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
12317 * tests/cxx-gram.at: Use quotation to protect $1.
12318 Use AT_COMPILE to enable warnings hunts.
12319 Prototype yylex and yyerror.
12321 Include `string.h', not `strings.h'.
12322 Produce and prototype stmtMerge only when used.
12323 yylex takes a location.
12325 2002-06-30 Akim Demaille <akim@epita.fr>
12327 We spend a lot of time in quotearg, in particular when --verbose.
12329 * src/symtab.c (symbol_get): Store a quoted version of the key.
12330 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
12331 Adjust all callers.
12333 2002-06-30 Akim Demaille <akim@epita.fr>
12335 * src/state.h (reductions_t): Rename member `nreds' as num.
12336 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
12337 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
12339 2002-06-30 Akim Demaille <akim@epita.fr>
12341 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
12342 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
12343 (shifts_to): Rename as...
12344 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
12345 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
12346 (TRANSITION_IS_DISABLED, transitions_to): these.
12348 2002-06-30 Akim Demaille <akim@epita.fr>
12350 * src/print.c (print_shifts, print_gotos): Merge into...
12351 (print_transitions): this.
12352 (print_transitions, print_errs, print_reductions): Align the
12353 lookaheads columns.
12354 (print_core, print_transitions, print_errs, print_state,
12355 print_grammar): Output empty lines separator before, not after.
12356 (state_default_rule_compute): Rename as...
12357 (state_default_rule): this.
12358 * tests/conflicts.at (Defaulted Conflicted Reduction),
12359 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
12360 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
12362 2002-06-30 Akim Demaille <akim@epita.fr>
12364 Display items as we display rules.
12366 * src/gram.h, src/gram.c (rule_lhs_print): New.
12367 * src/gram.c (grammar_rules_partial_print): Use it.
12368 * src/print.c (print_core): Likewise.
12369 * tests/conflicts.at (Defaulted Conflicted Reduction),
12370 (Unresolved SR Conflicts): Adjust.
12371 (Unresolved SR Conflicts): Adjust and rename as...
12372 (Resolved SR Conflicts): this, as was meant.
12373 * tests/regression.at (Web2c Report): Adjust.
12375 2002-06-30 Akim Demaille <akim@epita.fr>
12377 * src/print.c (state_default_rule_compute): New, extracted from...
12378 (print_reductions): here.
12379 Pessimize, but clarify the code.
12380 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
12382 2002-06-30 Akim Demaille <akim@epita.fr>
12384 * src/output.c (action_row): Let default_rule be always a rule
12387 2002-06-30 Akim Demaille <akim@epita.fr>
12389 * src/closure.c (print_firsts, print_fderives, closure):
12390 Use BITSET_EXECUTE.
12391 * src/lalr.c (lookaheads_print): Likewise.
12392 * src/state.c (state_rule_lookaheads_print): Likewise.
12393 * src/print_graph.c (print_core): Likewise.
12394 * src/print.c (print_reductions): Likewise.
12395 * src/output.c (action_row): Likewise.
12396 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
12398 2002-06-30 Akim Demaille <akim@epita.fr>
12400 * src/print_graph.c: Use report_flag.
12402 2002-06-30 Akim Demaille <akim@epita.fr>
12404 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
12406 * src/relation.h, src/relation.c (traverse, relation_digraph)
12407 (relation_print, relation_transpose): New.
12409 2002-06-30 Akim Demaille <akim@epita.fr>
12411 * src/state.h, src/state.c (shifts_to): New.
12412 * src/lalr.c (build_relations): Use it.
12414 2002-06-30 Akim Demaille <akim@epita.fr>
12416 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
12417 (item_number_of_rule_number, rule_number_of_item_number): New.
12418 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
12419 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
12420 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
12421 Propagate their use.
12422 Much remains to be done, in particular wrt `shorts' from types.h.
12424 2002-06-30 Akim Demaille <akim@epita.fr>
12426 * src/symtab.c (symbol_new): Initialize the `printer' member.
12428 2002-06-30 Akim Demaille <akim@epita.fr>
12430 * src/LR0.c (save_reductions): Remove, replaced by...
12431 * src/state.h, src/state.c (state_reductions_set): New.
12432 (reductions, errs): Rename as...
12433 (reductions_t, errs_t): these.
12434 Adjust all dependencies.
12436 2002-06-30 Akim Demaille <akim@epita.fr>
12438 * src/LR0.c (state_list_t, state_list_append): New.
12439 (first_state, last_state): Now symbol_list_t.
12440 (this_state): Remove.
12441 (new_itemsets, append_states, save_reductions): Take a state_t as
12443 (set_states, generate_states): Adjust.
12444 (save_shifts): Remove, replaced by...
12445 * src/state.h, src/state.c (state_shifts_set): New.
12446 (shifts): Rename as...
12448 Adjust all dependencies.
12449 * src/state.h (state_t): Remove the `next' member.
12451 2002-06-30 Akim Demaille <akim@epita.fr>
12453 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
12456 2002-06-30 Akim Demaille <akim@epita.fr>
12458 Use hash.h for the state hash table.
12460 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
12461 (allocate_storage): Use state_hash_new.
12462 (free_storage): Use state_hash_free.
12463 (new_state, get_state): Adjust.
12464 * src/lalr.h, src/lalr.c (states): Move to...
12465 * src/states.h (state_t): Remove the `link' member, no longer
12467 * src/states.h, src/states.c: here.
12468 (state_hash_new, state_hash_free, state_hash_lookup)
12469 (state_hash_insert, states_free): New.
12470 * src/states.c (state_table, state_compare, state_hash): New.
12471 * src/output.c (output_actions): Do not free states now, since we
12472 still need to know the final_state number in `prepare', called
12473 afterwards. Do it...
12474 * src/main.c (main): here: call states_free after `output'.
12476 2002-06-30 Akim Demaille <akim@epita.fr>
12478 * src/state.h, src/state.c (state_new): New, extracted from...
12479 * src/LR0.c (new_state): here.
12480 * src/state.h (STATE_ALLOC): Move to...
12481 * src/state.c: here.
12482 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
12483 * src/state.h, src/state.c: here.
12485 2002-06-30 Akim Demaille <akim@epita.fr>
12487 * src/reader.c (gensym): Rename as...
12488 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
12489 (getsym): Rename as...
12490 (symbol_get): this.
12492 2002-06-30 Akim Demaille <akim@epita.fr>
12494 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
12495 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
12496 * src/output.c, src/print.c, src/print_graph.c: Propagate.
12497 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
12499 2002-06-30 Akim Demaille <akim@epita.fr>
12501 Make the test suite pass with warnings checked.
12503 * tests/actions.at (Printers and Destructors): Improve.
12504 Avoid unsigned vs. signed issues.
12505 * tests/calc.at: Don't exercise the scanner here, do it...
12506 * tests/input.at (Torturing the Scanner): here.
12508 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12510 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
12511 reorganize first lines parallel to yacc.c.
12513 2002-06-28 Akim Demaille <akim@epita.fr>
12515 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
12516 (b4_token_enum, b4_token_defines): New, factored from...
12517 * data/lalr1.cc, data/yacc.c, glr.c: here.
12519 2002-06-28 Akim Demaille <akim@epita.fr>
12521 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
12523 * src/output.c (merger_output): static.
12525 2002-06-28 Akim Demaille <akim@epita.fr>
12527 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
12528 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
12530 * src/output.c (save_row): Initialize all the variables to pacify GCC.
12532 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12534 Accumulated changelog for new GLR parsing features.
12536 * src/conflicts.c (count_total_conflicts): Change name to
12537 conflicts_total_count.
12538 * src/conflicts.h: Ditto.
12539 * src/output.c (token_actions): Use the new name.
12540 (output_conflicts): Change conflp => conflict_list_heads, and
12541 confl => conflict_list for better readability.
12542 * data/glr.c: Use the new names.
12543 * NEWS: Add self to GLR announcement.
12545 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
12547 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
12550 * data/bison.glr: Change name to glr.c
12551 * data/glr.c: Renamed from bison.glr.
12552 * data/Makefile.am: Add glr.c
12556 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
12557 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
12559 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12561 * data/bison.glr: Be sure to restore the
12562 current #line when returning to the skeleton contents after having
12563 exposed the input file's #line.
12565 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12567 * data/bison.glr: Bring up to date with changes to bison.simple.
12569 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12571 * data/bison.glr: Correct definitions that use b4_prefix.
12572 Various reformatting.
12573 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
12574 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
12575 yytokenp argument; now part of stack.
12576 (yychar): Define to behave as documented.
12577 (yyclearin): Ditto.
12579 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12581 * src/reader.h: Add declaration for free_merger_functions.
12583 * src/reader.c (merge_functions): New variable.
12584 (get_merge_function): New function.
12585 (free_merger_functions): New function.
12586 (readgram): Check for %prec that is not followed by a symbol.
12587 Handle %dprec and %merge declarations.
12588 (packgram): Initialize dprec and merger fields in rules array.
12590 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
12591 conflict_list_cnt, conflict_list_free): New variables.
12592 (table_grow): Also grow conflict_table.
12593 (prepare_rules): Output dprec and merger tables.
12594 (conflict_row): New function.
12595 (action_row): Output conflict lists for GLR parser. Don't use
12596 default reduction in conflicted states for GLR parser so that there
12597 are spaces for the conflict lists.
12598 (save_row): Also save conflict information.
12599 (token_actions): Allocate conflict list.
12600 (merger_output): New function.
12601 (pack_vector): Pack conflict table, too.
12602 (output_conflicts): New function to output yyconflp and yyconfl.
12603 (output_check): Allocate conflict_tos.
12604 (output_actions): Output conflict tables, also.
12605 (output_skeleton): Output b4_mergers definition.
12606 (prepare): Output b4_max_rhs_length definition.
12607 Use 'bison.glr' as default skeleton for GLR parsers.
12609 * src/gram.c (glr_parser): New flag.
12610 (grammar_free): Call free_merger_functions.
12612 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
12613 all pairs of conflicting reductions, rather than just all tokens
12614 causing conflicts. Needed to size conflict tables.
12615 (conflicts_output): Modify call to count_rr_conflicts for new
12617 (conflicts_print): Ditto.
12618 (count_total_conflicts): New function.
12620 * src/reader.h (merger_list): New type.
12621 (merge_functions): New variable.
12623 * src/lex.h (tok_dprec, tok_merge): New token types.
12625 * src/gram.h (rule_s): Add dprec and merger fields.
12626 (glr_parser): New flag.
12628 * src/conflicts.h (count_total_conflicts): New function.
12630 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
12632 * doc/bison.texinfo (Generalized LR Parsing): New section.
12633 (GLR Parsers): New section.
12634 (Language and Grammar): Mention GLR parsing.
12635 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
12636 Correct typo ("tge" -> "the").
12638 * data/bison.glr: New skeleton for GLR parsing.
12640 * tests/cxx-gram.at: New tests for GLR parsing.
12642 * tests/testsuite.at: Include cxx-gram.at.
12644 * tests/Makefile.am: Add cxx-gram.at.
12646 * src/parse-gram.y:
12648 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
12650 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
12652 2002-06-27 Akim Demaille <akim@epita.fr>
12654 * src/options.h, src/options.c: Remove.
12655 * src/getargs.c (short_options, long_options): New.
12657 2002-06-27 Akim Demaille <akim@epita.fr>
12659 * data/bison.simple, data/bison.c++: Rename as...
12660 * data/yacc.c, data/lalr1.cc: these.
12661 * doc/bison.texinfo (Environment Variables): Remove.
12663 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
12665 * src/getargs.c (report_argmatch): Initialize strtok().
12667 2002-06-20 Akim Demaille <akim@epita.fr>
12669 * data/bison.simple (b4_symbol_actions): New, replaces...
12670 (b4_symbol_destructor, b4_symbol_printer): these.
12671 (yysymprint): Be sure to call YYPRINT only for tokens, and using
12672 user token numbers.
12674 2002-06-20 Akim Demaille <akim@epita.fr>
12676 * data/bison.simple (yydestructor): Rename as...
12677 (yydestruct): this.
12679 2002-06-20 Akim Demaille <akim@epita.fr>
12681 * src/symtab.h, src/symtab.c (symbol_type_set)
12682 (symbol_destructor_set, symbol_precedence_set): The location is
12684 Adjust all callers.
12686 2002-06-20 Akim Demaille <akim@epita.fr>
12688 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
12690 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
12692 * src/symtab.h, src/symtab.c (symbol_class_set)
12693 (symbol_user_token_number_set): Likewise.
12694 Adjust all callers.
12695 Promote complain_at.
12696 * tests/input.at (Type Clashes): Adjust.
12698 2002-06-20 Akim Demaille <akim@epita.fr>
12700 * data/bison.simple (YYLEX): Fix the declaration when
12703 2002-06-20 Akim Demaille <akim@epita.fr>
12705 * data/bison.simple (yysymprint): Don't print the token number,
12707 * tests/actions.at (Destructors): Rename as...
12708 (Printers and Destructors): this.
12709 Also exercise %printer.
12711 2002-06-20 Akim Demaille <akim@epita.fr>
12713 * data/bison.simple (YYDSYMPRINT): New.
12714 Use it to remove many of the #if YYDEBUG/if (yydebug).
12716 2002-06-20 Akim Demaille <akim@epita.fr>
12718 * src/symtab.h, src/symtab.c (symbol_t): printer and
12719 printer_location are new members.
12720 (symbol_printer_set): New.
12721 * src/parse-gram.y (PERCENT_PRINTER): New token.
12722 Handle its associated rule.
12723 * src/scan-gram.l: Adjust.
12724 (handle_destructor_at, handle_destructor_dollar): Rename as...
12725 (handle_symbol_code_at, handle_symbol_code_dollar): these.
12726 * src/output.c (symbol_printers_output): New.
12727 (output_skeleton): Call it.
12728 * data/bison.simple (yysymprint): New. Cannot be named yyprint
12729 since there are already many grammar files with a user `yyprint'.
12730 Replace the calls to YYPRINT to calls to yysymprint.
12731 * tests/calc.at: Adjust.
12732 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
12733 taking advantage of parser very internal details (stack size!).
12735 2002-06-20 Akim Demaille <akim@epita.fr>
12737 * src/scan-gram.l: Complete the scanner with the missing patterns
12739 Use `quote' and `symbol_tag_get' where appropriate.
12741 2002-06-19 Akim Demaille <akim@epita.fr>
12743 * tests/actions.at (Destructors): Augment to test locations.
12744 * data/bison.simple (yydestructor): Pass it the current location
12745 if locations are enabled.
12746 Prototype only when __STDC__ or C++.
12747 Change the argument names to move into the yy name space: there is
12750 2002-06-19 Akim Demaille <akim@epita.fr>
12752 * data/bison.simple (b4_pure_if): New.
12753 Use it instead of #ifdef YYPURE.
12755 2002-06-19 Akim Demaille <akim@epita.fr>
12757 * data/bison.simple (b4_location_if): New.
12758 Use it instead of #ifdef YYLSP_NEEDED.
12760 2002-06-19 Akim Demaille <akim@epita.fr>
12762 Prepare @$ in %destructor, but currently don't bind it in the
12763 skeleton, as %location use is not cleaned up yet.
12765 * src/scan-gram.l (handle_dollar, handle_destructor_at)
12766 (handle_action_at): New.
12767 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
12768 a braced_code_t and a location as additional arguments.
12769 (handle_destructor_dollar): Instead of requiring `b4_eval', just
12770 unquote one when outputting `b4_dollar_dollar'.
12772 * data/bison.simple (b4_eval): Remove.
12773 (b4_symbol_destructor): Adjust.
12774 * tests/input.at (Invalid @n): Adjust.
12776 2002-06-19 Zack Weinberg <zack@codesourcery.com>
12778 * doc/bison.texinfo: Document ability to have multiple
12781 2002-06-18 Akim Demaille <akim@epita.fr>
12783 * src/files.c (compute_base_names): When computing the output file
12784 names from the input file name, strip the directory part.
12786 2002-06-18 Akim Demaille <akim@epita.fr>
12788 * data/bison.simple.new: Comment changes.
12789 Reported by Andreas Schwab.
12791 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
12793 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
12794 there are no `label `yyoverflowlab' defined but not used' warnings
12795 when yyoverflow is defined.
12797 2002-06-18 Akim Demaille <akim@epita.fr>
12799 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
12801 (symbol_destructor_set): Adjust.
12802 * src/output.c (symbol_destructors_output): Output the destructor
12804 Output the symbol name.
12805 * data/bison.simple (b4_symbol_destructor): Adjust.
12807 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
12808 and Akim Demaille <akim@epita.fr>
12810 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
12811 what's left on the stack when the error recovery hits EOF.
12812 * tests/actions.at (Destructors): Complete to exercise this case.
12814 2002-06-17 Akim Demaille <akim@epita.fr>
12816 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
12817 arguments is really empty, not only equal to `[]'.
12818 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
12820 (symbol_destructor_set): New.
12821 * src/output.c (symbol_destructors_output): New.
12822 * src/reader.h (brace_code_t, current_braced_code): New.
12823 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
12824 (handle_dollar): Rename as...
12825 (handle_action_dollar): this.
12826 (handle_destructor_dollar): New.
12827 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
12828 (grammar_declaration): Use it.
12829 * data/bison.simple (yystos): Is always defined.
12830 (yydestructor): New.
12831 * tests/actions.at (Destructors): New.
12832 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
12834 2002-06-17 Akim Demaille <akim@epita.fr>
12836 * src/symlist.h, src/symlist.c (symbol_list_length): New.
12837 * src/scan-gram.l (handle_dollar, handle_at): Compute the
12838 rule_length only when needed.
12839 * src/output.c (actions_output, token_definitions_output): Output
12841 * src/symtab.c: Don't access directly to the symbol tag, use
12843 * src/parse-gram.y: Use symbol_list_free.
12845 2002-06-17 Akim Demaille <akim@epita.fr>
12847 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
12848 (symbol_list_prepend, get_type_name): Move to...
12849 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
12850 (symbol_list_prepend, symbol_list_n_type_name_get): here.
12851 Adjust all callers.
12852 (symbol_list_free): New.
12853 * src/scan-gram.l (handle_dollar): Takes a location.
12854 * tests/input.at (Invalid $n): Adjust.
12856 2002-06-17 Akim Demaille <akim@epita.fr>
12858 * src/reader.h, src/reader.c (symbol_list_new): Export it.
12859 (symbol_list_prepend): New.
12860 * src/parse-gram.y (%union): `list' is a new member.
12861 (symbols.1): New, replaces...
12862 (terms_to_prec.1, nterms_to_type.1): these.
12863 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
12864 Take a location as additional argument.
12865 Adjust all callers.
12867 2002-06-15 Akim Demaille <akim@epita.fr>
12869 * src/parse-gram.y: Move %token in the declaration section so that
12870 we don't depend upon CVS Bison.
12872 2002-06-15 Akim Demaille <akim@epita.fr>
12874 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
12875 * src/print.c (print_core): Use it.
12877 2002-06-15 Akim Demaille <akim@epita.fr>
12879 * src/conflicts.c (log_resolution): Accept the rule involved in
12880 the sr conflicts instead of the lookahead number that points to
12882 (flush_reduce): Accept the current lookahead vector as argument,
12883 instead of the index in LA.
12884 (resolve_sr_conflict): Accept the current number of lookahead
12885 bitset to consider for the STATE, instead of the index in LA.
12886 (set_conflicts): Adjust.
12887 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
12889 2002-06-15 Akim Demaille <akim@epita.fr>
12891 * src/state.h (state_t): Replace the `lookaheadsp' member, a
12892 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
12893 Adjust all dependencies.
12894 * src/lalr.c (initialize_lookaheads): Split into...
12895 (states_lookaheads_count, states_lookaheads_initialize): these.
12898 2002-06-15 Akim Demaille <akim@epita.fr>
12900 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
12902 (grammar_rules_print): here.
12903 * src/reduce.c (reduce_output): Use it.
12904 * tests/reduce.at (Useless Rules, Reduced Automaton)
12905 (Underivable Rules): Adjust.
12907 2002-06-15 Akim Demaille <akim@epita.fr>
12909 Copy BYacc's nice way to report the grammar.
12911 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
12913 Don't print the rules' location, it is confusing and useless.
12914 (rule_print): Use grammar_rhs_print.
12915 * src/print.c (print_grammar): Use grammar_rules_print.
12917 2002-06-15 Akim Demaille <akim@epita.fr>
12919 Complete and rationalize `useless thing' warnings.
12921 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
12922 (symbol_tag_print): New.
12923 Use them everywhere in place of accessing directly the tag member.
12924 * src/gram.h, src/gram.c (rule_print): New.
12925 Use it where a rule used to be printed `by hand'.
12926 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
12927 (reduce_grammar_tables): Report the useless rules.
12928 (reduce_print): Useless things are a warning, not an error.
12930 * tests/reduce.at (Useless Nonterminals, Useless Rules):
12931 (Reduced Automaton, Underivable Rules): Adjust.
12932 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
12933 * tests/conflicts.at (Unresolved SR Conflicts)
12934 (Solved SR Conflicts): Adjust.
12936 2002-06-15 Akim Demaille <akim@epita.fr>
12938 Let symbols have a location.
12940 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
12942 Adjust all callers.
12943 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
12944 Use location_t, not int.
12945 * src/symtab.c (symbol_check_defined): Take advantage of the
12947 * tests/regression.at (Invalid inputs): Adjust.
12949 2002-06-15 Akim Demaille <akim@epita.fr>
12951 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
12952 (input): Don't try to initialize yylloc here, do it in the
12954 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
12955 * src/gram.h (rule_t): Change line and action_line into location
12956 and action_location, of location_t type.
12957 Adjust all dependencies.
12958 * src/location.h, src/location.c (empty_location): New.
12959 * src/reader.h, src/reader.c (grammar_start_symbol_set)
12960 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
12961 (grammar_current_rule_symbol_append)
12962 (grammar_current_rule_action_append): Expect a location as argument.
12963 * src/reader.c (grammar_midrule_action): Adjust to attach an
12964 action's location as dummy symbol location.
12965 * src/symtab.h, src/symtab.c (startsymbol_location): New.
12966 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
12969 2002-06-14 Akim Demaille <akim@epita.fr>
12971 Grammar declarations may be found in the grammar section.
12973 * src/parse-gram.y (rules_or_grammar_declaration): New.
12974 (declarations): Each declaration may end with a semicolon, not
12976 (grammar_declaration): `"%union"'.
12977 (grammar): Branch to rules_or_grammar_declaration.
12979 2002-06-14 Akim Demaille <akim@epita.fr>
12981 * src/main.c (main): Invoke scanner_free.
12983 2002-06-14 Akim Demaille <akim@epita.fr>
12985 * src/output.c (m4_invoke): Extracted from...
12986 (output_skeleton): here.
12989 2002-06-14 Akim Demaille <akim@epita.fr>
12991 * src/parse-gram.y (directives, directive, gram)
12992 (grammar_directives, precedence_directives, precedence_directive):
12994 (declarations, declaration, grammar, grammar_declaration)
12995 (precedence_declaration, precedence_declarator): these.
12996 (symbol_declaration): New.
12998 2002-06-14 Akim Demaille <akim@epita.fr>
13000 * src/files.c (action_obstack): Remove, unused.
13001 (output_obstack): Remove it, and all its dependencies, as it is no
13003 * src/reader.c (epilogue_set): Build the epilogue in the
13005 * src/output.h, src/output.c (muscle_obstack): Move to...
13006 * src/muscle_tab.h, src/muscle_tab.h: here.
13007 (muscle_init): Initialize muscle_obstack.
13008 (muscle_free): New.
13009 * src/main.c (main): Call it.
13011 2002-06-14 Akim Demaille <akim@epita.fr>
13013 * src/location.h: New, extracted from...
13014 * src/reader.h: here.
13015 * src/Makefile.am (noinst_HEADERS): Merge into
13016 (bison_SOURCES): this.
13018 * src/parse-gram.y: Use location_t instead of Bison's.
13019 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
13020 Use location_t instead of ints.
13022 2002-06-14 Akim Demaille <akim@epita.fr>
13024 * data/bison.simple, data/bison.c++: Be sure to restore the
13025 current #line when returning to the skeleton contents after having
13026 exposed the input file's #line.
13028 2002-06-12 Akim Demaille <akim@epita.fr>
13030 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
13032 * tests/actions.at (Exotic Dollars): New.
13034 2002-06-12 Akim Demaille <akim@epita.fr>
13036 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
13038 * tests/input.at (Torturing the Scanner): New.
13040 2002-06-11 Akim Demaille <akim@epita.fr>
13042 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
13043 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
13044 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
13045 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
13046 * src/reader.c (reader): Use it.
13048 2002-06-11 Akim Demaille <akim@epita.fr>
13050 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
13051 Adjust all callers.
13052 (scanner_last_string_free): New.
13054 2002-06-11 Akim Demaille <akim@epita.fr>
13056 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
13057 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
13058 (last_string, YY_OBS_FREE): New.
13059 Use them when returning an ID.
13061 2002-06-11 Akim Demaille <akim@epita.fr>
13063 Have Bison grammars parsed by a Bison grammar.
13065 * src/reader.c, src/reader.h (prologue_augment): New.
13066 * src/reader.c (copy_definition): Remove.
13068 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
13069 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
13070 (grammar_current_rule_prec_set, grammar_current_rule_check)
13071 (grammar_current_rule_symbol_append)
13072 (grammar_current_rule_action_append): Export.
13073 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
13074 (symbol_list_action_append): Remove.
13075 Hook the routines from reader.
13076 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
13077 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
13079 * src/reader.c (read_declarations): Remove, unused.
13081 * src/parse-gram.y: Handle the epilogue.
13082 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
13083 (grammar_start_symbol_set): this.
13084 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
13085 * src/reader.c (readgram): Remove, unused.
13086 (reader): Adjust to insert eoftoken and axiom where appropriate.
13088 * src/reader.c (copy_dollar): Replace with...
13089 * src/scan-gram.h (handle_dollar): this.
13090 * src/parse-gram.y: Remove `%thong'.
13092 * src/reader.c (copy_at): Replace with...
13093 * src/scan-gram.h (handle_at): this.
13095 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
13098 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
13101 * src/reader.h, src/reader.c (grammar_rule_end): New.
13103 * src/parse.y (current_type, current_class): New.
13104 Implement `%nterm', `%token' support.
13105 Merge `%term' into `%token'.
13106 (string_as_id): New.
13107 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
13110 * src/parse-gram.y: Be sure to handle properly the beginning of
13113 * src/parse-gram.y: Handle %type.
13114 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
13116 * src/parse-gram.y: More directives support.
13117 * src/options.c: No longer handle source directives.
13119 * src/parse-gram.y: Fix %output.
13121 * src/parse-gram.y: Handle %union.
13122 Use the prologue locations.
13123 * src/reader.c (parse_union_decl): Remove.
13125 * src/reader.h, src/reader.c (epilogue_set): New.
13126 * src/parse-gram.y: Use it.
13128 * data/bison.simple, data/bison.c++: b4_stype is now either not
13129 defined, then default to int, or to the contents of %union,
13130 without `union' itself.
13132 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
13134 * src/output.c (actions_output): Don't output braces, as they are
13135 already handled by the scanner.
13137 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
13138 characters to themselves.
13140 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
13141 that the epilogue has a proper #line.
13143 * src/parse-gram.y: Handle precedence/associativity.
13145 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
13147 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
13148 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
13149 at all to define terminals that cannot be emitted.
13151 * src/scan-gram.l: Escape M4 characters.
13153 * src/scan-gram.l: Working properly with escapes in user
13154 strings/characters.
13156 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
13157 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
13159 Use more modest sizes, as for the time being the parser does not
13160 release memory, and therefore the process swallows a huge amount
13163 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
13164 stricter %token grammar.
13166 * src/symtab.h (associativity): Add `undef_assoc'.
13167 (symbol_precedence_set): Do nothing when passed an undef_assoc.
13168 * src/symtab.c (symbol_check_alias_consistence): Adjust.
13170 * tests/regression.at (Invalid %directive): Remove, as it is now
13172 (Invalid inputs): Adjust to the new error messages.
13173 (Token definitions): The new grammar doesn't allow too many
13176 * src/lex.h, src/lex.c: Remove.
13177 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
13178 (copy_character, copy_string2, copy_string, copy_identifier)
13179 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
13180 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
13181 (parse_action): Remove.
13182 * po/POTFILES.in: Adjust.
13184 2002-06-11 Akim Demaille <akim@epita.fr>
13186 * src/reader.c (parse_action): Don't store directly into the
13187 rule's action member: return the action as a string.
13188 Don't require `rule_length' as an argument: compute it.
13189 (grammar_current_rule_symbol_append)
13190 (grammar_current_rule_action_append): New, eved out from
13192 Remove `action_flag', `rulelength', unused now.
13194 2002-06-11 Akim Demaille <akim@epita.fr>
13196 * src/reader.c (grammar_current_rule_prec_set).
13197 (grammar_current_rule_check): New, eved out from...
13199 Remove `xaction', `first_rhs': useless.
13200 * tests/input.at (Type clashes): New.
13201 * tests/existing.at (GNU Cim Grammar): Adjust.
13203 2002-06-11 Akim Demaille <akim@epita.fr>
13205 * src/reader.c (grammar_midrule_action): New, Eved out from
13208 2002-06-11 Akim Demaille <akim@epita.fr>
13210 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
13212 (readgram): Use them as replacement of inlined code, crule and
13215 2002-06-11 Akim Demaille <akim@epita.fr>
13217 * src/reader.c (grammar_end, grammar_symbol_append): New.
13218 (readgram): Use them.
13219 Make the use of `p' as local as possible.
13221 2002-06-10 Akim Demaille <akim@epita.fr>
13223 GCJ's parser requires the tokens to be defined before the prologue.
13225 * data/bison.simple: Output the token definition before the user's
13227 * tests/regression.at (Braces parsing, Duplicate string)
13228 (Mixing %token styles): Check the output from bison.
13229 (Early token definitions): New.
13231 2002-06-10 Akim Demaille <akim@epita.fr>
13233 * src/symtab.c (symbol_user_token_number_set): Don't complain when
13234 assigning twice the same user number to a token, so that we can
13236 * src/lex.c (lex): here.
13237 Also use `symbol_class_set' instead of hand written code.
13238 * src/reader.c (parse_assoc_decl): Likewise.
13240 2002-06-10 Akim Demaille <akim@epita.fr>
13242 * src/symtab.c, src/symtab.c (symbol_class_set)
13243 (symbol_user_token_number_set): New.
13244 * src/reader.c (parse_token_decl): Use them.
13245 Use a switch instead of ifs.
13246 Use a single argument.
13248 2002-06-10 Akim Demaille <akim@epita.fr>
13250 Remove `%thong' support as it is undocumented, unused, duplicates
13251 `%token's job, and creates useless e-mail traffic with people who
13252 want to know what it is, why it is undocumented, unused, and
13253 duplicates `%token's job.
13255 * src/reader.c (parse_thong_decl): Remove.
13256 * src/options.c (option_table): Remove "thong".
13257 * src/lex.h (tok_thong): Remove.
13259 2002-06-10 Akim Demaille <akim@epita.fr>
13261 * src/symtab.c, src/symtab.c (symbol_type_set)
13262 (symbol_precedence_set): New.
13263 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
13264 (value_components_used): Remove, unused.
13266 2002-06-09 Akim Demaille <akim@epita.fr>
13268 Move symbols handling code out of the reader.
13270 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
13271 (axiom): Move to...
13272 * src/symtab.h, src/symtab.c: here.
13274 * src/gram.c (start_symbol): Remove: use startsymbol->number.
13275 * src/reader.c (startval): Rename as...
13276 * src/symtab.h, src/symtab.c (startsymbol): this.
13277 * src/reader.c: Adjust.
13279 * src/reader.c (symbol_check_defined, symbol_make_alias)
13280 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
13281 (token_translations_init)
13283 * src/symtab.c: here.
13284 * src/reader.c (packsymbols): Move to...
13285 * src/symtab.h, src/symtab.c (symbols_pack): here.
13286 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
13289 2002-06-03 Akim Demaille <akim@epita.fr>
13291 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
13294 2002-06-03 Akim Demaille <akim@epita.fr>
13296 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
13297 structs with non literals.
13298 * src/scan-skel.l: never-interactive.
13299 * src/conflicts.c (enum conflict_resolution_e): No trailing
13301 * src/getargs.c (usage): Split long literal strings.
13302 Reported by Hans Aberg.
13304 2002-05-28 Akim Demaille <akim@epita.fr>
13306 * data/bison.c++: Use C++ ostreams.
13307 (cdebug_): New member.
13309 2002-05-28 Akim Demaille <akim@epita.fr>
13311 * src/output.c (output_skeleton): Be sure to allocate enough room
13312 for `/' _and_ for `\0' in full_skeleton.
13314 2002-05-28 Akim Demaille <akim@epita.fr>
13316 * data/bison.c++: Catch up with bison.simple:
13317 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13318 and Paul Eggert <eggert@twinsun.com>: `error' handing.
13319 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
13320 and popping traces.
13322 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13324 * src/output.c (output_skeleton): Put an explicit path in front of
13325 the skeleton file name, rather than relying on the -I directory,
13326 to partially alleviate effects of having a skeleton file lying around
13327 in the current directory.
13329 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13331 * src/conflicts.c (log_resolution): Correct typo:
13332 obstack_printf should be obstack_fgrow1.
13334 2002-05-26 Akim Demaille <akim@epita.fr>
13336 * src/state.h (state_t): `solved_conflicts' is a new member.
13337 * src/LR0.c (new_state): Set it to 0.
13338 * src/conflicts.h, src/conflicts.c (print_conflicts)
13339 (free_conflicts, solve_conflicts): Rename as...
13340 (conflicts_print, conflicts_free, conflicts_solve): these.
13342 * src/conflicts.c (enum conflict_resolution_e)
13343 (solved_conflicts_obstack): New, used by...
13344 (log_resolution): this.
13345 Adjust to attach the conflict resolution to each state.
13346 Complete the description with the precedence/associativity
13348 (resolve_sr_conflict): Adjust.
13349 * src/print.c (print_state): Output its solved_conflicts.
13350 * tests/conflicts.at (Unresolved SR Conflicts)
13351 (Solved SR Conflicts): Exercise --report=all.
13353 2002-05-26 Akim Demaille <akim@epita.fr>
13355 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
13356 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
13357 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
13358 (token_number_t, item_number_as_token_number)
13359 (token_number_as_item_number, muscle_insert_token_number_table):
13361 (symbol_number_t, item_number_as_symbol_number)
13362 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
13363 these, since it is more appropriate.
13365 2002-05-26 Akim Demaille <akim@epita.fr>
13367 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
13369 * data/bison.simple (yystos) [YYDEBUG]: New.
13370 (yyparse) [YYDEBUG]: Display the symbols which are popped during
13372 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
13374 2002-05-25 Akim Demaille <akim@epita.fr>
13376 * doc/bison.texinfo (Debugging): Split into...
13377 (Tracing): this new section, its former contents, and...
13378 (Understanding): this new section.
13379 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
13381 (report_flag): this.
13382 Adjust all dependencies.
13383 (report_args, report_types, report_argmatch): New.
13384 (usage, getargs): Report/support -r, --report.
13386 (struct option_table_struct): Rename as..,
13387 (struct option_table_s): this.
13388 Rename the `set_flag' member to `flag' to match with getopt_long's
13390 * src/options.c (option_table): Split verbose into an entry for
13391 %verbose, and another for --verbose.
13392 Support --report/-r, so remove -r from the obsolete --raw.
13393 * src/print.c: Attach full item sets and lookaheads reports to
13394 report_flag instead of trace_flag.
13395 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
13397 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13398 and Paul Eggert <eggert@twinsun.com>
13400 * data/bison.simple (yyparse): Correct error handling to conform to
13401 POSIX and yacc. Specifically, after syntax error is discovered,
13402 do not reduce further before shifting the error token.
13403 Clean up the code a bit by removing the labels yyerrdefault,
13404 yyerrhandle, yyerrpop.
13405 * NEWS: Document the above.
13407 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13409 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
13410 type; it isn't always big enough, since it doesn't necessarily
13411 include non-terminals.
13412 (yytranslate): Expand definition of yy_token_number_type, so that
13413 the latter can be removed.
13414 (yy_token_number_type): Remove, only one use.
13415 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
13416 don't use TokenNumberType as element type.
13418 * tests/regression.at: Modify expected output to agree with change
13419 to yyr1 and yytranslate.
13421 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
13423 * src/reader.c (parse_action): Use copy_character instead of
13426 2002-05-13 Akim Demaille <akim@epita.fr>
13428 * tests/regression.at (Token definitions): Prototype yylex and
13431 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13433 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
13434 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
13436 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
13438 2002-05-07 Akim Demaille <akim@epita.fr>
13440 * tests/synclines.at: Be sure to prototype yylex and yyerror to
13441 avoid GCC warnings.
13443 2002-05-07 Akim Demaille <akim@epita.fr>
13447 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
13448 over the RHS of each rule.
13449 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
13450 * src/state.h (state_t): Member `nitems' is unsigned short.
13451 * src/LR0.c (get_state): Adjust.
13452 * src/reader.c (packgram): Likewise.
13453 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
13455 (muscle_insert_int_table): Remove, unused.
13456 (prepare_rules): Remove `max'.
13458 2002-05-06 Akim Demaille <akim@epita.fr>
13460 * src/closure.c (print_firsts): Display of the symbol tags.
13461 (bitmatrix_print): Move to...
13462 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
13464 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
13466 2002-05-06 Akim Demaille <akim@epita.fr>
13468 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
13471 2002-05-06 Akim Demaille <akim@epita.fr>
13473 * src/LR0.c (new_state, get_state): Instead of using the global
13474 `kernel_size' and `kernel_base', have two new arguments:
13475 `core_size' and `core'.
13478 2002-05-06 Akim Demaille <akim@epita.fr>
13480 * src/reader.c (packgram): No longer end `ritem' with a 0
13481 sentinel: it is not used.
13483 2002-05-05 Akim Demaille <akim@epita.fr>
13485 New experimental feature: display the lookaheads in the report and
13488 * src/print (print_core): When --trace-flag, display the rules
13490 * src/print_graph.c (print_core): Likewise.
13491 Swap the arguments.
13494 2002-05-05 Akim Demaille <akim@epita.fr>
13496 * tests/torture.at (Many lookaheads): New test.
13498 2002-05-05 Akim Demaille <akim@epita.fr>
13500 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
13501 (GENERATE_MUSCLE_INSERT_TABLE): this.
13502 (output_int_table, output_unsigned_int_table, output_short_table)
13503 (output_token_number_table, output_item_number_table): Replace with...
13504 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
13505 (muscle_insert_short_table, muscle_insert_token_number_table)
13506 (muscle_insert_item_number_table): these.
13507 Adjust all callers.
13508 (prepare_tokens): Don't free `translations', since...
13509 * src/reader.h, src/reader.c (grammar_free): do it.
13511 * src/gram.h, src/gram.c (grammar_free): here.
13512 * data/bison.simple, data/bison.c++: b4_token_number_max is now
13515 2002-05-05 Akim Demaille <akim@epita.fr>
13517 * src/output.c (output_unsigned_int_table): New.
13518 (prepare_rules): `i' is unsigned.
13519 `prhs', `rline', `r2' are unsigned int.
13520 Rename muscle `rhs_number_max' as `rhs_max'.
13521 Output muscles `prhs_max', `rline_max', and `r2_max'.
13523 * data/bison.simple, data/bison.c++: Adjust to use these muscles
13524 to compute types instead of constant types.
13525 * tests/regression.at (Web2c Actions): Adjust.
13527 2002-05-04 Akim Demaille <akim@epita.fr>
13529 * src/symtab.h (SALIAS, SUNDEF): Rename as...
13530 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
13531 Adjust dependencies.
13532 * src/output.c (token_definitions_output): Be sure not to output a
13533 `#define 'a'' when fed with `%token 'a' "a"'.
13534 * tests/regression.at (Token definitions): New.
13536 2002-05-03 Paul Eggert <eggert@twinsun.com>
13538 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
13541 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
13543 * Makefile.am (SUBDIRS): Remove intl.
13544 (EXTRA_DIST): Add config/config.rpath.
13546 2002-05-03 Akim Demaille <akim@epita.fr>
13548 * data/bison.simple (m4_if): Don't output empty enums.
13549 And actually, output valid enum definitions :(.
13551 2002-05-03 Akim Demaille <akim@epita.fr>
13553 * configure.bat: Remove, completely obsolete.
13554 * Makefile.am (EXTRA_DIST): Adjust.
13555 Don't distribute config.rpath...
13556 * config/Makefile.am (EXTRA_DIST): Do it.
13558 2002-05-03 Akim Demaille <akim@epita.fr>
13560 * configure.in (GETTEXT_VERSION): New.
13561 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
13563 2002-05-03 Akim Demaille <akim@epita.fr>
13565 * data/bison.simple (b4_token_enum): New.
13566 (b4_token_defines): Use it to output tokens both as #define and
13568 Suggested by Paul Eggert.
13569 * src/output.c (token_definitions_output): Don't output spurious
13572 2002-05-03 Akim Demaille <akim@epita.fr>
13574 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
13576 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
13578 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
13579 Update the stack class, give a try to deque as the default container.
13581 2002-05-02 Akim Demaille <akim@epita.fr>
13583 * data/bison.simple (yyparse): Do not implement @$ = @1.
13584 (YYLLOC_DEFAULT): Adjust to do it.
13585 * doc/bison.texinfo (Location Default Action): Fix.
13587 2002-05-02 Akim Demaille <akim@epita.fr>
13589 * src/reader.c (parse_braces): Merge into...
13590 (parse_action): this.
13592 2002-05-02 Akim Demaille <akim@epita.fr>
13594 * configure.in (ALL_LINGUAS): Remove.
13595 * po/LINGUAS, hr.po: New.
13597 2002-05-02 Akim Demaille <akim@epita.fr>
13599 Remove the so called hairy (semantic) parsers.
13601 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
13602 * src/gram.h, src/gram.c (semantic_parser): Remove.
13603 (rule_t): Remove the guard and guard_line members.
13604 * src/lex.h (token_t): remove tok_guard.
13605 * src/options.c (option_table): Remove %guard and %semantic_parser
13607 * src/output.c, src/output.h (guards_output): Remove.
13609 (token_definitions_output): Don't output the `T'
13611 (output_skeleton): Don't output the guards.
13612 * src/files.c, src/files.c (attrsfile): Remove.
13613 * src/reader.c (symbol_list): Remove the guard and guard_line
13615 Adjust dependencies.
13616 (parse_guard): Remove.
13617 * data/bison.hairy: Remove.
13618 * doc/bison.texinfo (Environment Variables): Remove occurrences of
13621 2002-05-02 Akim Demaille <akim@epita.fr>
13623 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
13624 (parse_guard): Rename the formal argument `stack_offset' as
13625 `rule_length', which is more readable.
13627 (copy_at, copy_dollar): Instead of outputting the hard coded
13628 values of $$, $n and so forth, output invocation to b4_lhs_value,
13629 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
13630 Note: this patch partially drops `semantic-parser' support: it
13631 always does `rule_length - n', where semantic parsers ought to
13633 * data/bison.simple, data/bison.c++ (b4_lhs_value)
13634 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
13636 2002-05-02 Akim Demaille <akim@epita.fr>
13638 * configure.in (AC_INIT): Bump to 1.49b.
13639 (AM_INIT_AUTOMAKE): Short invocation.
13641 2002-05-02 Akim Demaille <akim@epita.fr>
13645 2002-05-01 Akim Demaille <akim@epita.fr>
13647 * src/skeleton.h: Remove.
13649 2002-05-01 Akim Demaille <akim@epita.fr>
13651 * src/skeleton.h: Fix the #endif.
13652 Reported by Magnus Fromreide.
13654 2002-04-26 Paul Eggert <eggert@twinsun.com>
13656 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
13657 Define if we define YYSTYPE and YYLTYPE, respectively.
13658 (YYCOPY): Fix [] quoting problem in the non-GCC case.
13660 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
13662 * src/scan-skel.l: Postprocess quadrigraphs.
13664 * src/reader.c (copy_character): New function, used to output
13665 single characters while replacing `[' and `]' with quadrigraphs, to
13666 avoid troubles with M4 quotes.
13667 (copy_comment): Output characters with copy_character.
13668 (read_additionnal_code): Likewise.
13669 (copy_string2): Likewise.
13670 (copy_definition): Likewise.
13672 * tests/calc.at: Exercise M4 quoting.
13674 2002-04-25 Akim Demaille <akim@epita.fr>
13676 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
13677 between `!' and the command.
13678 Reported by Paul Eggert.
13680 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
13682 * tests/calc.at: Exercise prologue splitting.
13684 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
13685 `b4_post_prologue' instead of `b4_prologue'.
13687 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
13689 (output): Free pre_prologue_obstack and post_prologue_obstack.
13690 * src/files.h, src/files.c (attrs_obstack): Remove.
13691 (pre_prologue_obstack, post_prologue_obstack): New.
13692 * src/reader.c (copy_definition): Add a parameter to specify the
13693 obstack to fill, instead of using attrs_obstack unconditionally.
13694 (read_declarations): Pass pre_prologue_obstack to copy_definition if
13695 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
13697 2002-04-23 Paul Eggert <eggert@twinsun.com>
13699 * data/bison.simple: Remove unnecessary commentary and white
13700 space differences from 1_29-branch.
13701 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
13703 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
13704 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
13705 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
13706 constructors or destructors.
13708 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
13710 2002-04-23 Akim Demaille <akim@epita.fr>
13712 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
13713 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
13714 location with columns.
13715 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
13716 All reported by Paul Eggert.
13718 2002-04-22 Akim Demaille <akim@epita.fr>
13720 * src/reduce.c (dump_grammar): Move to...
13721 * src/gram.h, src/gram.c (grammar_dump): here.
13722 Be sure to separate long item numbers.
13723 Don't read the members of a rule's prec if its nil.
13725 2002-04-22 Akim Demaille <akim@epita.fr>
13727 * src/output.c (table_size, table_grow): New.
13728 (MAXTABLE): Remove, replace uses with table_size.
13729 (pack_vector): Instead of dying when the table is too big, grow it.
13731 2002-04-22 Akim Demaille <akim@epita.fr>
13733 * data/bison.simple (yyr1): Its type is that of a token number.
13734 * data/bison.c++ (r1_): Likewise.
13735 * tests/regression.at (Web2c Actions): Adjust.
13737 2002-04-22 Akim Demaille <akim@epita.fr>
13739 * src/reader.c (token_translations_init): 256 is now the default
13740 value for the error token, i.e., it will be assigned another
13741 number if the user assigned 256 to one of her tokens.
13742 (reader): Don't force 256 to error.
13743 * doc/bison.texinfo (Symbols): Adjust.
13744 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
13745 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
13746 etc. instead of 10, 20, 30 (which was used to `jump' over error
13747 (256) and undefined (2)).
13749 2002-04-22 Akim Demaille <akim@epita.fr>
13751 Propagate more token_number_t.
13753 * src/gram.h (token_number_as_item_number)
13754 (item_number_as_token_number): New.
13755 * src/output.c (GENERATE_OUTPUT_TABLE): New.
13756 Use it to create output_item_number_table and
13757 output_token_number_table.
13758 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
13759 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
13760 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
13761 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
13763 2002-04-22 Akim Demaille <akim@epita.fr>
13765 * src/output.h, src/output.c (get_lines_number): Remove.
13767 2002-04-19 Akim Demaille <akim@epita.fr>
13769 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
13771 (Debugging): More details about enabling the debugging features.
13772 (Table of Symbols): Describe $$, $n, @$, and @n.
13773 Suggested by Tim Josling.
13775 2002-04-19 Akim Demaille <akim@epita.fr>
13777 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
13779 2002-04-10 Akim Demaille <akim@epita.fr>
13781 * src/system.h: Rely on HAVE_LIMITS_H.
13782 Suggested by Paul Eggert.
13784 2002-04-09 Akim Demaille <akim@epita.fr>
13786 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
13787 full stderr, and strip it according to the bison options, instead
13788 of composing the error message from different bits.
13789 This makes it easier to check for several error messages.
13790 Adjust all the invocations.
13791 Add an invocation exercising the error token.
13792 Add an invocation demonstrating a stupid error message.
13793 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
13795 Error message are for stderr, not stdout.
13797 2002-04-09 Akim Demaille <akim@epita.fr>
13799 * src/gram.h, src/gram.c (error_token_number): Remove, use
13801 * src/reader.c (reader): Don't specify the user token number (2)
13802 for $undefined, as it uselessly prevents using it.
13803 * src/gram.h (token_number_t): Move to...
13804 * src/symtab.h: here.
13805 (state_t.number): Is a token_number_t.
13806 * src/print.c, src/reader.c: Use undeftoken->number instead of
13808 (Even though this 2 is not the same as above: the number of the
13809 undeftoken remains being 2, it is its user token number which
13811 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
13812 `user_token_number_max'.
13813 Output `undef_token_number'.
13814 * data/bison.simple, data/bison.c++: Use them.
13815 Be sure to map invalid yylex return values to
13816 `undef_token_number'. This saves us from gratuitous SEGV.
13818 * tests/conflicts.at (Solved SR Conflicts)
13819 (Unresolved SR Conflicts): Adjust.
13820 * tests/regression.at (Web2c Actions): Adjust.
13822 2002-04-08 Akim Demaille <akim@epita.fr>
13824 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
13826 Remove the duplicate `typedefs'.
13827 (RhsNumberType): Fix the declaration and various other typos.
13829 * data/bison.simple: Use __ofile__.
13830 * src/scan-skel.l: Handle __ofile__.
13832 2002-04-08 Akim Demaille <akim@epita.fr>
13834 * src/gram.h (item_number_t): New, the type of item numbers in
13835 RITEM. Note that it must be able to code symbol numbers as
13836 positive number, and the negation of rule numbers as negative
13838 Adjust all dependencies (pretty many).
13839 * src/reduce.c (rule): Remove this `short *' pointer: use
13841 * src/system.h (MINSHORT, MAXSHORT): Remove.
13842 Include `limits.h'.
13843 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
13844 (shortcpy): Remove.
13845 (MAXTABLE): Move to...
13846 * src/output.c (MAXTABLE): here.
13847 (prepare_rules): Use output_int_table to output rhs.
13848 * data/bison.simple, data/bison.c++: Adjust.
13849 * tests/torture.at (Big triangle): Move the limit from 254 to
13851 * tests/regression.at (Web2c Actions): Ajust.
13853 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
13854 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
13855 passes, but produces negative #line number, once fixed, GCC is
13856 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
13858 * src/state.h (state_h): Code input lines on ints, not shorts.
13860 2002-04-08 Akim Demaille <akim@epita.fr>
13862 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
13863 and then the grammar.
13865 2002-04-08 Akim Demaille <akim@epita.fr>
13867 * src/system.h: No longer using strndup.
13869 2002-04-07 Akim Demaille <akim@epita.fr>
13871 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
13872 * src/output.c (output_table_data): Return the longest number.
13873 (prepare_tokens): Output `token_number_max').
13874 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
13876 Use them to define yy_token_number_type/TokenNumberType.
13877 Use this type for yytranslate.
13878 * tests/torture.at (Big triangle): Push the limit from 124 to
13880 * tests/regression.at (Web2c Actions): Adjust.
13882 2002-04-07 Akim Demaille <akim@epita.fr>
13884 * tests/torture.at (Big triangle): New.
13885 (GNU AWK Grammar, GNU Cim Grammar): Move to...
13886 * tests/existing.at: here.
13888 2002-04-07 Akim Demaille <akim@epita.fr>
13890 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
13892 Adjust dependencies.
13894 2002-04-07 Akim Demaille <akim@epita.fr>
13896 * src/reader.c: Normalize increments to prefix form.
13898 2002-04-07 Akim Demaille <akim@epita.fr>
13900 * src/reader.c, symtab.c: Remove debugging code.
13902 2002-04-07 Akim Demaille <akim@epita.fr>
13904 Rename all the `bucket's as `symbol_t'.
13906 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
13907 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
13908 * src/symtab.c, src/symtab.h (bucket): Rename as...
13910 (symbol_list_new, bucket_check_defined, bucket_make_alias)
13911 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
13912 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
13913 (buckets_new, buckets_free, buckets_do): Rename as...
13914 (symbol_list_new, symbol_check_defined, symbol_make_alias)
13915 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
13916 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
13917 (symbols_new, symbols_free, symbols_do): these.
13919 2002-04-07 Akim Demaille <akim@epita.fr>
13921 Use lib/hash for the symbol table.
13923 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
13925 * src/lex.c (lex): Set the `number' member of new terminals.
13926 * src/reader.c (bucket_check_defined, bucket_make_alias)
13927 (bucket_check_alias_consistence, bucket_translation): New.
13928 (reader, grammar_free, readgram, token_translations_init)
13929 (packsymbols): Adjust.
13930 (reader): Number the predefined tokens.
13931 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
13932 for predefined tokens.
13933 * src/symtab.h (bucket): Remove all the hash table related
13935 * src/symtab.c (symtab): Replace by...
13936 (bucket_table): this.
13937 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
13938 (buckets_new, buckets_do): New.
13940 2002-04-07 Akim Demaille <akim@epita.fr>
13942 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
13943 (start_symbol, max_user_token_number, semantic_parser)
13944 (error_token_number): Initialize.
13945 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
13948 (errtoken, eoftoken, undeftoken, axiom): Extern.
13950 2002-04-07 Akim Demaille <akim@epita.fr>
13952 * src/gram.h (rule_s): prec and precsym are now pointers
13953 to the bucket giving the priority/associativity.
13954 Member `associativity' removed: useless.
13955 * src/reduce.c, src/conflicts.c: Adjust.
13957 2002-04-07 Akim Demaille <akim@epita.fr>
13959 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
13960 Properly escape the symbols' TAG when outputting them.
13962 2002-04-07 Akim Demaille <akim@epita.fr>
13964 * src/lalr.h (LA): Is a bitsetv, not bitset*.
13966 2002-04-07 Akim Demaille <akim@epita.fr>
13968 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
13969 (LArule): this, which is an array to rule_t*.
13970 * src/print.c, src/conflicts.c: Adjust.
13972 2002-04-07 Akim Demaille <akim@epita.fr>
13974 * src/gram.h (rule_t): Rename `number' as `user_number'.
13975 `number' is a new member.
13976 Adjust dependencies.
13977 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
13979 2002-04-07 Akim Demaille <akim@epita.fr>
13981 As a result of the previous patch, it is no longer needed
13982 to reorder ritem itself.
13984 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
13986 2002-04-07 Akim Demaille <akim@epita.fr>
13988 Be sure never to walk through RITEMS, but use only data related to
13989 the rules themselves. RITEMS should be banished.
13991 * src/output.c (output_token_translations): Rename as...
13992 (prepare_tokens): this.
13993 In addition to `translate', prepare the muscles `tname' and
13994 `toknum', which were handled by...
13995 (output_rule_data): this.
13996 Remove, and move the remainder of its outputs into...
13997 (prepare_rules): this new routines, which also merges content from
13998 (output_gram): this.
13999 (prepare_rules): Be sure never to walk through RITEMS.
14000 (output_stos): Rename as...
14001 (prepare_stos): this.
14002 (output): Always invoke prepare_states, after all, just don't use it
14003 in the output if you don't need it.
14005 2002-04-07 Akim Demaille <akim@epita.fr>
14007 * src/LR0.c (new_state): Display `nstates' as the name of the
14008 newly created state.
14009 Adjust to initialize first_state and last_state if needed.
14010 Be sure to distinguish the initial from the final state.
14011 (new_states): Create the itemset of the initial state, and use
14013 * src/closure.c (closure): Now that the initial state has its
14014 items properly set, there is no need for a special case when
14015 creating `ruleset'.
14017 As a result, now the rule 0, reducing to $axiom, is visible in the
14018 outputs. Adjust the test suite.
14020 * tests/conflicts.at (Solved SR Conflicts)
14021 (Unresolved SR Conflicts): Adjust.
14022 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
14023 * tests/conflicts.at (S/R in initial): New.
14025 2002-04-07 Akim Demaille <akim@epita.fr>
14027 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
14028 the RHS of the rules.
14029 * src/output.c (output_gram): Likewise.
14031 2002-04-07 Akim Demaille <akim@epita.fr>
14033 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
14035 Adjust all dependencies.
14036 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
14037 `number' of the buckets too.
14038 * src/gram.h: Include `symtab.h'.
14039 (associativity): Move to...
14040 * src/symtab.h: here.
14041 No longer include `gram.h'.
14043 2002-04-07 Akim Demaille <akim@epita.fr>
14045 * src/gram.h, src/gram.c (rules_rhs_length): New.
14046 (ritem_longest_rhs): Use it.
14047 * src/gram.h (rule_t): `number' is a new member.
14048 * src/reader.c (packgram): Set it.
14049 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
14050 the end of `rules', and count them out of `nrules'.
14051 (reduce_output, dump_grammar): Adjust.
14052 * src/print.c (print_grammar): It is no longer needed to check for
14053 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
14054 * tests/reduce.at (Reduced Automaton): New test.
14056 2002-04-07 Akim Demaille <akim@epita.fr>
14058 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
14059 lacking `+ 1' to nrules, Bison reported as useless a token if it
14060 was used solely to set the precedence of the last rule...
14062 2002-04-07 Akim Demaille <akim@epita.fr>
14064 * data/bison.c++, data/bison.simple: Don't output the current file
14065 name in #line, to avoid useless diffs between two identical
14066 outputs under different names.
14068 2002-04-07 Akim Demaille <akim@epita.fr>
14070 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
14071 Normalize loops to using `< nrules + 1', not `<= nrules'.
14073 2002-04-07 Akim Demaille <akim@epita.fr>
14077 2002-04-07 Akim Demaille <akim@epita.fr>
14079 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
14080 bucket.value as bucket.number.
14082 2002-04-07 Akim Demaille <akim@epita.fr>
14084 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
14085 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
14086 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
14087 RHS, instead of being an index in RITEMS.
14089 2002-04-04 Paul Eggert <eggert@twinsun.com>
14091 * doc/bison.texinfo: Update copyright date.
14092 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
14093 (Symbols): Warn about running Bison in one character set,
14094 but compiling and/or running in an incompatible one.
14095 Warn about character code 256, too.
14097 2002-04-03 Paul Eggert <eggert@twinsun.com>
14099 * src/bison.data (YYSTACK_ALLOC): Depend on whether
14100 YYERROR_VERBOSE is nonzero, not whether it is defined.
14102 Merge changes from bison-1_29-branch.
14104 2002-03-20 Paul Eggert <eggert@twinsun.com>
14106 Merge fixes from Debian bison_1.34-1.diff.
14108 * configure.in (AC_PREREQ): 2.53.
14110 2002-03-20 Akim Demaille <akim@epita.fr>
14112 * src/conflicts.c (log_resolution): Argument `resolution' is const.
14114 2002-03-19 Paul Eggert <eggert@twinsun.com>
14116 * src/bison.simple (YYCOPY): New macro.
14117 (YYSTACK_RELOCATE): Use it.
14118 Remove Type arg; no longer needed. All callers changed.
14119 (yymemcpy): Remove; no longer needed.
14121 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
14122 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14124 2002-03-19 Akim Demaille <akim@epita.fr>
14126 Test and fix the #line outputs.
14128 * tests/atlocal.at (GCC): New.
14129 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
14130 (Prologue synch line, %union synch line, Postprologue synch line)
14131 (Action synch line, Epilogue synch line): New tests.
14132 * src/reader.c (parse_union_decl): Define the muscle stype_line.
14133 * data/bison.simple, data/bison.c++: Use it.
14135 2002-03-19 Akim Demaille <akim@epita.fr>
14137 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
14138 (Solved SR Conflicts, %expect not enough, %expect right)
14139 (%expect too much): Move to...
14140 * tests/conflicts.at: this new file.
14142 2002-03-19 Akim Demaille <akim@epita.fr>
14144 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
14145 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
14146 that we can move to enums for instance.
14147 * src/output.c (token_definitions_output): Output a list of
14148 `token-name, token-number' instead of the #define.
14149 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
14151 2002-03-14 Akim Demaille <akim@epita.fr>
14153 Use Gettext 0.11.1.
14155 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
14157 * data/bison.c++: Make the user able to add members to the generated
14158 parser by subclassing.
14160 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
14162 * src/reader.c (read_additionnal_code): `c' should be an integer, not
14164 Reported by Nicolas Tisserand and Nicolas Burrus.
14166 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
14168 * src/reader.c: Warn about lacking semi-colons, do not complain.
14170 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
14172 * data/bison.c++: Remove a debug line.
14174 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
14176 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
14177 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
14178 provide a default implementation.
14180 2002-03-04 Akim Demaille <akim@epita.fr>
14182 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
14183 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
14184 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
14185 * tests/semantic.at (Parsing Guards): Similarly.
14186 * src/reader.at (readgram): Complain if the last rule is not ended
14189 2002-03-04 Akim Demaille <akim@epita.fr>
14191 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
14192 * src/closure.c: here.
14193 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
14195 * src/warshall.h, src/warshall.c: Remove.
14196 * tests/sets.at (Broken Closure): Adjust.
14198 2002-03-04 Akim Demaille <akim@epita.fr>
14200 * src/output.c (output_skeleton): tempdir is const.
14201 bytes_read is unused.
14203 2002-03-04 Akim Demaille <akim@epita.fr>
14205 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
14206 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
14208 From Michael Hayes.
14210 2002-03-04 Akim Demaille <akim@epita.fr>
14212 * src/closure.c (closure): `r' is unused.
14214 2002-03-04 Akim Demaille <akim@epita.fr>
14216 * tests/sets.at (Broken Closure): Add the ending `;'.
14217 * src/reader.at (readgram): Complain if a rule is not ended with a
14220 2002-03-04 Akim Demaille <akim@epita.fr>
14222 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
14223 (count_sr_conflicts): Use bitset_count.
14224 * src/reduce.c (inaccessable_symbols): Ditto.
14225 (bits_size): Remove.
14226 * src/warshall.h, src/warshall.c: Convert to bitsetv.
14228 2002-03-04 Akim Demaille <akim@epita.fr>
14230 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
14231 * src/reduce.c: Remove the `bitset_zero's following the
14232 `bitset_create's, as now it is performed by the latter.
14234 2002-03-04 Akim Demaille <akim@epita.fr>
14236 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
14237 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
14238 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
14239 latest sources from Michael.
14241 2002-03-04 Akim Demaille <akim@epita.fr>
14243 * src/output.c (output): Don't free the grammar.
14244 * src/reader.c (grammar_free): New.
14245 * src/main.c (main): Call it and don't free symtab here.
14247 2002-03-04 Akim Demaille <akim@epita.fr>
14249 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
14251 Reported by Benoit Perrot.
14253 2002-03-04 Akim Demaille <akim@epita.fr>
14255 Use bitset operations when possible, not loops over bits.
14257 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
14259 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
14260 * src/reduce.c (useless_nonterminals): Formatting changes.
14261 * src/warshall.c (TC): Use bitset_or.
14263 2002-03-04 Akim Demaille <akim@epita.fr>
14265 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
14266 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
14269 2002-03-04 Akim Demaille <akim@epita.fr>
14271 * src/lalr.c (F): Now a bitset*.
14272 Adjust all dependencies.
14274 2002-03-04 Akim Demaille <akim@epita.fr>
14276 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
14277 Adjust all dependencies.
14279 2002-03-04 Akim Demaille <akim@epita.fr>
14281 * src/L0.c, src/LR0.h (nstates): Be size_t.
14282 Adjust comparisons (signed vs unsigned).
14283 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
14285 Adjust all dependencies.
14287 2002-03-04 Akim Demaille <akim@epita.fr>
14289 * src/closure.c (firsts): Now, also a bitset.
14290 Adjust all dependencies.
14291 (varsetsize): Remove, now unused.
14292 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
14294 2002-03-04 Akim Demaille <akim@epita.fr>
14296 * src/print.c: Convert to use bitset.h, not hand coded iterations
14299 2002-03-04 Akim Demaille <akim@epita.fr>
14301 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
14303 2002-03-04 Akim Demaille <akim@epita.fr>
14305 * src/closure.c (ruleset): Be a bitset.
14306 (rulesetsize): Remove.
14308 2002-03-04 Akim Demaille <akim@epita.fr>
14310 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
14311 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
14312 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
14313 * src/closure.c (fderives): Be an array of bitsets.
14315 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
14317 * data/bison.c++: Merge the two generated headers. Insert a copyright
14318 notice in each output file.
14320 2002-02-28 Akim Demaille <akim@epita.fr>
14322 * data/bison.c++: Copy the prologue of bison.simple to fetch
14323 useful M4 definitions, such as b4_header_guard.
14325 2002-02-25 Akim Demaille <akim@epita.fr>
14327 * src/getargs.c (version): Give the name of the authors, and use a
14328 translator friendly scheme for the bgr
14331 2002-02-25 Akim Demaille <akim@epita.fr>
14333 * src/output.c (header_output): Remove, now handled completely via
14336 2002-02-25 Akim Demaille <akim@epita.fr>
14338 * m4/m4.m4: New, from CVS Autoconf.
14339 * configure.in: Invoke it.
14340 * src/output.c (output_skeleton): Use its result instead of the
14343 2002-02-25 Akim Demaille <akim@epita.fr>
14345 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
14347 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
14348 * src/output.c (output_skeleton): Use mkstemp to create a real
14350 Move the filling of `skeleton' and its muscle to...
14352 (output): Move the definition of the prologue muscle to...
14354 * src/system.h (DEFAULT_TMPDIR): New.
14356 2002-02-14 Paul Eggert <eggert@twinsun.com>
14358 Remove the support for C++ namespace cleanliness; it was
14359 causing more problems than it was curing, since it didn't work
14360 properly on some nonstandard C++ compilers. This can wait
14361 for a proper C++ parser.
14363 * NEWS: Document this.
14364 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
14365 of C++, as it's treated like C now.
14366 * src/bison.simple (YYSTD): Remove.
14367 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
14368 Treat C++ just like Standard C instead of trying to support
14369 namespace cleanliness.
14371 2002-02-14 Akim Demaille <akim@epita.fr>
14373 * tests/regression.at (else): Adjust to Andreas' change.
14375 2002-02-14 Akim Demaille <akim@epita.fr>
14377 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
14379 2002-02-13 Andreas Schwab <schwab@suse.de>
14381 * src/output.c (output_rule_data): Don't output NULL, it might
14382 not be defined yet.
14384 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
14386 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
14387 (Copyright notice): Update.
14389 2002-02-11 Akim Demaille <akim@epita.fr>
14391 * tests/regression.at (%nonassoc and eof): Don't include
14392 nonportable headers.
14394 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
14396 * data/bison.c++: Correct error recovery. Make the user able to
14397 initialize the starting location.
14399 2002-02-07 Akim Demaille <akim@epita.fr>
14401 * tests/input.at: New.
14403 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
14405 * data/bison.c++: Replace some direct m4 expansions by constants. Be
14406 more consistent when naming methods and variables. Put preprocessor
14407 directives around tables only needed for debugging.
14409 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
14411 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
14413 (yy::b4_name::parse): Use print_.
14415 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
14417 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
14419 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
14421 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
14423 (yy::b4_name::parse): Build verbose error messages, and use error_.
14425 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
14427 * data/bison.c++: Fix m4 quoting in comments.
14429 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
14431 * data/bison.c++: Adjust the parser code. Fix some muscles that were
14432 not expanded by m4.
14434 2002-02-05 Akim Demaille <akim@epita.fr>
14436 * data/bison.c++: Adjust to the M4 back end.
14437 More is certainly needed.
14439 2002-02-05 Akim Demaille <akim@epita.fr>
14441 Give a try to M4 as a back end.
14443 * lib/readpipe.c: New, from wdiff.
14444 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
14446 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
14447 specific values. Now it is m4 that performs the lookup.
14448 * src/parse-skel.y: Remove.
14449 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
14450 * src/output.c (actions_output, guards_output)
14451 (token_definitions_output): No longer keeps track of the output
14452 line number, hence remove the second argument.
14453 (guards_output): Check against the guard member of a rule, not the
14456 (output_skeleton): Don't look for the skeleton location, let m4 do
14458 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
14460 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
14461 (prepare): Given that for the time being changesyntax is not
14462 usable in M4, rename the muscles using `-' to `_'.
14463 Define `defines_flag', `output_parser_name' and `output_header_name'.
14464 * src/output.h (actions_output, guards_output)
14465 (token_definitions_output): Adjust prototypes.
14466 * src/scan-skel.l: Instead of scanning the skeletons, it now
14467 processes the output of m4: `__oline__' and `#output'.
14468 * data/bison.simple: Adjust to be used by M4(sugar).
14469 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
14471 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
14472 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
14473 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
14474 shamelessly stolen from CVS Autoconf.
14476 2002-02-05 Akim Demaille <akim@epita.fr>
14478 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
14479 * configure.in: Check for the declarations of free and malloc.
14480 * src/muscle_tab.c: Adjust.
14482 2002-02-05 Akim Demaille <akim@epita.fr>
14484 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
14485 which have no values.
14487 2002-02-05 Akim Demaille <akim@epita.fr>
14489 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
14492 2002-01-29 Paul Eggert <eggert@twinsun.com>
14494 * src/bison.simple (YYSIZE_T): Do not define merely because
14495 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
14496 On some platforms, <alloca.h> does not declare YYSTD (size_t).
14498 2002-01-27 Akim Demaille <akim@epita.fr>
14500 Fix `%nonassoc and eof'.
14502 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
14503 which were not properly copied! Replace
14504 memcpy (res->errs, src->errs, src->nerrs);
14506 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
14508 * tests/regression.at (%nonassoc and eof): Adjust to newest
14509 Autotest: `.' is not in the PATH.
14511 2002-01-27 Akim Demaille <akim@epita.fr>
14513 * tests/sets.at (AT_EXTRACT_SETS): New.
14514 (Nullable): Use it.
14517 2002-01-26 Akim Demaille <akim@epita.fr>
14519 * tests/actions.at, tests/calc.at, tests/headers.at,
14520 * tests/torture.at: Adjust to the newest Autotest which no longer
14521 forces `.' in the PATH.
14523 2002-01-25 Akim Demaille <akim@epita.fr>
14525 * tests/regression.at (%nonassoc and eof): New.
14526 Suggested by Robert Anisko.
14528 2002-01-24 Akim Demaille <akim@epita.fr>
14530 Bison dumps core when trying to complain about broken input files.
14531 Reported by Cris van Pelt.
14533 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
14534 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
14536 (Invalid inputs): Strengthen: exercise parse_percent_token.
14538 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
14540 * src/Makefile.am: Add bison.c++.
14541 * src/bison.c++: New skeleton.
14543 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
14547 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
14549 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
14551 2002-01-20 Marc Autret <marc@gnu.org>
14553 * src/files.c (compute_output_file_names): Fix
14555 2002-01-20 Marc Autret <marc@gnu.org>
14557 * tests/output.at: New test.
14558 * src/files.c (compute_base_names): Don't map extensions when
14559 the YACC flag is set, use defaults.
14560 Reported by Evgeny Stambulchik.
14562 2002-01-20 Marc Autret <marc@gnu.org>
14564 * src/system.h: Need to define __attribute__ away for non-GCC
14565 compilers as well (i.e., the vendor C compiler).
14566 Suggested by Albert Chin-A-Young.
14568 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
14570 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
14571 canonical definition.
14572 * src/system.h: Use the canonical definition for PARAMS (avoids
14573 a conflict with the macro from lib/hash.h).
14575 2002-01-11 Akim Demaille <akim@epita.fr>
14577 * configure.in: Use AC_FUNC_STRNLEN.
14578 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
14580 2002-01-09 Akim Demaille <akim@epita.fr>
14582 * src/files.c, src/files.h (output_infix): New.
14583 (tab_extension): Remove.
14584 (compute_base_names): Compute the former, drop the latter.
14585 * src/output.c (prepare): Insert the muscles `output-infix', and
14587 * src/parse-skel.y (string, string.1): New.
14588 (section.header): Use it.
14589 (section.yacc): Remove.
14590 (prefix): Remove too.
14591 * src/scan-skel.l: Adjust.
14592 * src/bison.simple, src/bison.hairy: Adjust.
14594 2002-01-09 Akim Demaille <akim@epita.fr>
14596 * configure.in (WERROR_CFLAGS): Compute it.
14597 * src/Makefile.am (CFLAGS): Pass it.
14598 * tests/atlocal.in (CFLAGS): Idem.
14599 * src/files.c: Fix a few warnings.
14600 (get_extension_index): Remove, unused.
14602 2002-01-08 Akim Demaille <akim@epita.fr>
14604 * src/getargs.c (AS_FILE_NAME): New.
14605 (getargs): Use it to convert DOSish file names.
14606 * src/files.c (base_name): Rename as full_base_name to avoid
14607 clashes with `base_name ()'.
14608 (filename_split): New.
14609 (compute_base_names): N-th rewrite, using filename_split.
14611 2002-01-08 Akim Demaille <akim@epita.fr>
14613 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
14614 New, stolen from the Fileutils 4.1.
14615 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
14616 * configure.in: Check for the presence of memrchr, and of its
14619 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
14621 * lib/hash.h (__P): Added definition for this macro.
14622 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
14623 BUILT_SOURCES, to ensure they are generated first.
14624 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
14625 %error-verbose to allow bootstrapping with bison 1.30x.
14627 2002-01-06 Akim Demaille <akim@epita.fr>
14629 * src/reader.c (parse_braces): Don't fetch the next char, the
14630 convention is to fetch on entry.
14631 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
14632 'switch' without a following semicolon.
14633 * tests/regression.at (braces parsing): New.
14635 2002-01-06 Akim Demaille <akim@epita.fr>
14637 Bison is dead wrong in its RR conflict reports.
14639 * tests/torture.at (GNU Cim Grammar): New.
14640 * src/conflicts.c (count_rr_conflicts): Fix.
14642 2002-01-06 Akim Demaille <akim@epita.fr>
14644 Creating package.m4 from configure.ac causes too many problems.
14646 * tests/Makefile.am (package.m4): Create it by hand,
14647 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
14649 2002-01-06 Akim Demaille <akim@epita.fr>
14651 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
14654 2002-01-04 Paul Eggert <eggert@twinsun.com>
14656 * doc/bison.texinfo (Debugging):
14657 Remove YYSTDERR; it's no longer defined or used.
14658 Also, s/cstdio.h/cstdio/.
14660 2002-01-03 Akim Demaille <akim@epita.fr>
14662 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
14664 2002-01-03 Akim Demaille <akim@epita.fr>
14666 * src/parse-skel.y (process_skeleton): Don't bind the parser's
14667 tracing code to --trace, wait for a better --trace option, with
14670 2002-01-03 Akim Demaille <akim@epita.fr>
14672 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
14673 The ISO C++ standard is extremely clear about it: stderr is
14674 considered a macro, not a regular symbol (see table 94 `Header
14675 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
14676 Therefore std:: does not apply to it. It still does with fprintf.
14677 Also, s/cstdio.h/cstdio/.
14679 2002-01-03 Akim Demaille <akim@epita.fr>
14681 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
14682 for non system headers.
14684 2002-01-02 Akim Demaille <akim@epita.fr>
14686 Equip the skeleton chain with location tracking, runtime trace,
14687 pure parser and scanner.
14689 * src/parse-skel.y: Request a pure parser, locations, and prefix
14691 (%union): Having several members with the same type does not help
14692 type mismatches, simplify.
14693 (YYPRINT, yyprint): New.
14694 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
14695 (skel_error): this.
14697 * src/scan-skel.l: Adjust to these changes.
14698 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
14699 (LOCATION_PRINT, skel_control_t): New.
14701 2001-12-30 Akim Demaille <akim@epita.fr>
14703 * src/parse-skel.y: Get rid of the shift/reduce conflict:
14704 replace `gb' with BLANKS.
14705 * src/scan-skel.l: Adjust.
14707 2001-12-30 Akim Demaille <akim@epita.fr>
14709 * src/system.h: We don't need nor want bcopy.
14710 Throw away MS-DOS crap: we don't need getpid.
14711 * configure.in: We don't need strndup. It was even causing
14712 problems: because Flex includes the headers *before* us,
14713 _GNU_SOURCE is not defined by config.h, and therefore strndup was
14715 * lib/xstrndup.c: New.
14716 * src/scan-skel.l: Use it.
14717 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
14718 * src/parse-skel.y: Use %directives instead of #defines.
14720 2001-12-30 Akim Demaille <akim@epita.fr>
14722 * src/skeleton.h: New.
14723 * src/output.c (output_parser, output_master_parser): Remove, dead
14725 * src/output.h (get_lines_number, actions_output, guards_output)
14726 (token_definitions_output): Prototype them.
14727 * src/parse-skel.y: Add the license notice.
14728 Include output.h and skeleton.h.
14729 (process_skeleton): Returns void, and takes a single parameter.
14730 * src/scan-skel.l: Add the license notice.
14731 Include skeleton.h.
14732 Don't use %option yylineno: it seems that then Flex imagines
14733 REJECT has been used, and therefore it won't reallocate its
14734 buffers (which makes no other sense to me than a bug). It results
14735 in warnings for `unused: yy_flex_realloc'.
14737 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
14739 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
14740 (MUSCLE_INSERT_PREFIX): ...to there.
14741 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
14742 (MUSCLE_INSERT_PREFIX): Move from here...
14744 * src/bison.hairy: Add a section directive. Put braces around muscle
14745 names. This parser skeleton is still broken, but Bison should not
14746 choke on a bad muscle 'syntax'.
14747 * src/bison.simple: Add a section directive. Put braces around muscle
14750 * src/files.h (strsuffix, stringappend): Add declarations.
14751 (tab_extension): Add declaration.
14752 (short_base_name): Add declaration.
14754 * src/files.c (strsuffix, stringappend): No longer static. These
14755 functions are used in the skeleton parser.
14756 (tab_extension): New.
14757 (compute_base_names): Use the computations done in this function
14758 to guess if the generated parsers should have '.tab' in their
14760 (short_base_name): No longer static.
14762 * src/output.c (output_skeleton): New.
14763 (output): Disable call to output_master_parser, and give a try to
14764 a new skeleton handling system.
14765 (guards_output, actions_output): No longer static.
14766 (token_definitions_output, get_lines_number): No longer static.
14768 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
14770 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
14773 * src/parse-skel.y: New file.
14774 * src/scan-skel.l: New file.
14776 2001-12-29 Akim Demaille <akim@epita.fr>
14778 %name-prefix is broken.
14780 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
14781 Adjust all dependencies.
14782 * tests/headers.at (export YYLTYPE): Strengthen this test: use
14785 Renaming yylval but not yylloc is not consistent. Now we do.
14787 * src/bison.simple: Prefix yylloc if used.
14788 * doc/bison.texinfo (Decl Summary): Document that.
14790 2001-12-29 Akim Demaille <akim@epita.fr>
14792 * doc/bison.texinfo: Promote `%long-directive' over
14794 Remove all references to fixed-output-files, yacc is enough.
14796 2001-12-29 Akim Demaille <akim@epita.fr>
14798 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
14799 user prologue. These are defaults.
14800 * tests/actions.at (Mid-rule actions): Make sure the user can
14801 define YYDEBUG and YYERROR_VERBOSE.
14803 2001-12-29 Akim Demaille <akim@epita.fr>
14805 * src/output.c (header_output): Don't forget to export YYLTYPE and
14807 * tests/headers.at (export YYLTYPE): New, make sure it does.
14808 * tests/regression.at (%union and --defines, Invalid CPP headers):
14810 * tests/headers.at: here.
14812 2001-12-29 Akim Demaille <akim@epita.fr>
14814 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
14816 2001-12-29 Akim Demaille <akim@epita.fr>
14818 * tests/actions.at (Mid-rule actions): Output on a single line
14819 instead of several.
14821 2001-12-29 Akim Demaille <akim@epita.fr>
14823 * doc/bison.texinfo: Formatting changes.
14825 2001-12-29 Akim Demaille <akim@epita.fr>
14827 Don't store the token defs in a muscle, just be ready to output it
14828 on command. Now possible via `symbols'. Fixes a memory leak.
14830 * src/output.c (token_definitions_output): New.
14831 (output_parser, header_output): Use it.
14832 * src/reader.c (symbols_save): Remove.
14834 2001-12-29 Akim Demaille <akim@epita.fr>
14836 * src/bison.simple: Do not provide a default for YYSTYPE and
14837 YYLTYPE before the user's prologue. Otherwise it's hardly... a
14840 2001-12-29 Akim Demaille <akim@epita.fr>
14842 Mid-rule actions are simply... ignored!
14844 * src/reader.c (readgram): Be sure to attach mid-rule actions to
14845 the empty-rule associated to the dummy symbol, not to the host
14847 * tests/actions.at (Mid-rule actions): New.
14849 2001-12-29 Akim Demaille <akim@epita.fr>
14853 * src/reader.c (reader): Free grammar.
14855 2001-12-29 Akim Demaille <akim@epita.fr>
14859 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
14860 since it allocates it for each state, although only one is needed.
14861 (allocate_storage): Do it here.
14863 2001-12-29 Akim Demaille <akim@epita.fr>
14865 * src/options.h, src/options.c (create_long_option_table): Rename
14867 (long_option_table_new): this, with a clearer prototype.
14868 (percent_table): Remove, unused,
14869 * src/getargs.c (getargs): Adjust.
14871 2001-12-29 Akim Demaille <akim@epita.fr>
14873 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
14874 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
14877 2001-12-29 Akim Demaille <akim@epita.fr>
14879 * src/lalr.c (build_relations): Rename `states' as `states1'.
14880 Sorry, I don't understand exactly what it is, no better name...
14882 2001-12-29 Akim Demaille <akim@epita.fr>
14884 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
14885 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
14886 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
14889 2001-12-29 Akim Demaille <akim@epita.fr>
14891 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
14894 2001-12-29 Akim Demaille <akim@epita.fr>
14896 * src/reader.c, src/reader.h (user_toknums): Remove.
14897 Adjust all users to use symbols[i]->user_token_number.
14899 2001-12-29 Akim Demaille <akim@epita.fr>
14901 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
14902 Adjust all users to use symbols[i]->prec or ->assoc.
14904 2001-12-29 Akim Demaille <akim@epita.fr>
14906 * src/reader.c, src/reader.h (tags): Remove.
14907 Adjust all users to use symbols[i]->tag.
14909 2001-12-29 Akim Demaille <akim@epita.fr>
14911 * src/gram.h, src/gram.c (symbols): New, similar to state_table
14913 * src/reader.c (packsymbols): Fill this table.
14915 * src/conflicts.c (resolve_sr_conflict): Adjust.
14916 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
14918 Use symbols[i]->tag instead of tags[i].
14920 2001-12-29 Akim Demaille <akim@epita.fr>
14922 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
14923 In addition, put a comment in there, to replace...
14924 * tests/regression.at (%union and C comments): Remove.
14926 2001-12-29 Akim Demaille <akim@epita.fr>
14928 * tests/regression.at (Web2c Actions): Blindly move the actual
14929 output as expected output. The contents *seem* right to me, but I
14930 can't pretend reading perfectly parser tables... Nonetheless, all
14931 the other tests pass correctly, the table look OK, even though the
14932 presence of `$axiom' is to be noted: AFAICS it is useless (but
14935 2001-12-29 Akim Demaille <akim@epita.fr>
14937 * src/reader.c (readgram): Don't add the rule 0 if there were no
14938 rules read. In other words, add it _after_ having performed
14939 grammar sanity checks.
14940 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
14942 2001-12-29 Akim Demaille <akim@epita.fr>
14944 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
14945 visible, and some states have now a different number.
14947 2001-12-29 Akim Demaille <akim@epita.fr>
14949 * src/reader.c (readgram): Bind the initial rule's lineno to that
14951 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
14952 (Solved SR Conflicts): Adjust rule 0's line number.
14954 2001-12-29 Akim Demaille <akim@epita.fr>
14956 Fix the `GAWK Grammar' failure.
14958 * src/LR0.c (final_state): Initialize to -1 so that we do compute
14959 the reductions of the first state which was mistakenly confused
14960 with the final state because precisely final_state was initialized
14962 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
14963 now noticed by Bison.
14964 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
14965 have a reduction on $default.
14967 2001-12-29 Akim Demaille <akim@epita.fr>
14969 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
14971 * src/closure.c (print_closure): Likewise.
14972 * src/derives.c (print_derives): Likewise.
14973 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
14976 2001-12-29 Akim Demaille <akim@epita.fr>
14978 * src/lalr.c (lookaheads_print): New.
14979 (lalr): Call it when --trace-flag.
14980 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
14983 2001-12-29 Akim Demaille <akim@epita.fr>
14985 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
14986 when walking through ritem, even via rule->rhs.
14987 * src/reduce.c (dump_grammar, useful_production, reduce_output)
14988 (useful_production, useless_nonterminals): Likewise.
14989 (reduce_grammar_tables): Likewise, plus update nritems.
14990 * src/nullable.c (set_nullable): Likewise.
14991 * src/lalr.c (build_relations): Likewise.
14992 * tests/sets.at (Nullable): Adjust.
14993 Fortunately, now, the $axiom is no longer nullable.
14995 2001-12-29 Akim Demaille <akim@epita.fr>
14997 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
14999 * src/gram.c (ritem_longest_rhs): Likewise.
15000 * src/reduce.c (nonterminals_reduce): Likewise.
15001 * src/print_graph.c (print_graph): Likewise.
15002 * src/output.c (output_rule_data): Likewise.
15003 * src/nullable.c (set_nullable): Likewise.
15005 2001-12-29 Akim Demaille <akim@epita.fr>
15007 * src/output.c: Comment changes.
15009 2001-12-27 Paul Eggert <eggert@twinsun.com>
15011 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
15012 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
15013 Sparc, as they were causing more porting problems than the
15014 (minor) performance improvement was worth.
15016 Also, catch up with 1.31's YYSTD.
15018 2001-12-27 Akim Demaille <akim@epita.fr>
15020 * src/output.c (output_gram): Rely on nritems, not the
15021 0-sentinel. See below.
15022 Use -1 as separator, not 0.
15023 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
15024 Rely on -1 as separator in yyrhs, instead of 0.
15025 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
15026 twice `Now at end of input', therefore there are two lines less to
15029 2001-12-27 Akim Demaille <akim@epita.fr>
15031 * tests/regression.at (Unresolved SR Conflicts):
15032 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
15035 2001-12-27 Akim Demaille <akim@epita.fr>
15037 * src/LR0.c (new_state): Recognize the final state by the fact it
15038 is reached by eoftoken.
15039 (insert_start_shifting_state, insert_eof_shifting_state)
15040 (insert_accepting_state, augment_automaton): Remove, since now
15041 these states are automatically computed from the initial state.
15042 (generate_states): Adjust.
15043 * src/print.c: When reporting a rule number to the user, substract
15044 1, so that the axiom rule is rule 0, and the first user rule is 1.
15045 * src/reduce.c: Likewise.
15046 * src/print_graph.c (print_core): For the time being, just as for
15047 the report, depend upon --trace-flags to dump the full set of
15049 * src/reader.c (readgram): Once the grammar read, insert the rule
15050 0: `$axiom: START-SYMBOL $'.
15051 * tests/set.at: Adjust: rule 0 is now displayed, and since the
15052 number of the states has changed (the final state is no longer
15053 necessarily the last), catch up.
15055 2001-12-27 Akim Demaille <akim@epita.fr>
15057 Try to make the use of the eoftoken valid. Given that its value
15058 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
15059 is used instead of > 0 where appropriate, (ii), depend upon nritems
15060 instead of the 0-sentinel.
15062 * src/gram.h, src/gram.c (nritems): New.
15063 Expected to be duplication of nitems, but for the time being...
15064 * src/reader.c (packgram): Assert nritems and nitems are equal.
15065 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
15066 * src/closure.c (print_closure, print_fderives): Likewise.
15067 * src/gram.c (ritem_print): Likewise.
15068 * src/print.c (print_core, print_grammar): Likewise.
15069 * src/print_graph.c: Likewise.
15071 2001-12-27 Akim Demaille <akim@epita.fr>
15073 * src/main.c (main): If there are complains after grammar
15074 reductions, then output the report anyway if requested, then die.
15075 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
15076 * src/reader.c (eoftoken): New.
15077 (parse_token_decl): If the token being defined has value `0', it
15079 (packsymbols): No longer hack `tags' to insert `$' by hand.
15080 Be sure to preserve the value of the eoftoken.
15081 (reader): Make sure eoftoken is defined.
15082 Initialize nsyms to 0: now eoftoken is created just like the others.
15083 * src/print.c (print_grammar): Don't special case the eof token.
15084 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
15085 lie anyway, albeit pleasant.
15086 * tests/calc.at: Exercise error messages with eoftoken.
15087 Change the grammar so that empty input is invalid.
15088 Adjust expectations.
15089 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
15091 2001-12-27 Akim Demaille <akim@epita.fr>
15093 * configure.in: Check the protos of strchr ans strspn.
15094 Replace strchr if needed.
15095 * src/system.h: Provide the protos of strchr, strspn and memchr if
15097 * lib/strchr.c: New.
15098 * src/reader.c (symbols_save): Use strchr.
15100 2001-12-27 Akim Demaille <akim@epita.fr>
15102 * src/print.c, src/print_graph.c (escape): New.
15103 Use it to quote the TAGS outputs.
15104 * src/print_graph.c (print_state): Now errors are in red, and
15105 reductions in green.
15106 Prefer high to wide: output the state number on a line of its own.
15108 2001-12-27 Akim Demaille <akim@epita.fr>
15110 * src/state.h, src/state.c (reductions_new): New.
15111 * src/LR0.c (set_state_table): Let all the states have a
15112 `reductions', even if reduced to 0.
15113 (save_reductions): Adjust.
15114 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
15115 * src/print.c (print_reductions, print_actions): Adjust.
15116 * src/output.c (action_row): Adjust.
15118 2001-12-27 Akim Demaille <akim@epita.fr>
15120 * src/state.h, src/state.c (errs_new, errs_dup): New.
15121 * src/LR0.c (set_state_table): Let all the states have an errs,
15122 even if reduced to 0.
15123 * src/print.c (print_errs, print_reductions): Adjust.
15124 * src/output.c (output_actions, action_row): Adjust.
15125 * src/conflicts.c (resolve_sr_conflict): Adjust.
15127 2001-12-27 Akim Demaille <akim@epita.fr>
15129 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
15131 2001-12-27 Akim Demaille <akim@epita.fr>
15133 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
15134 * src/print.c: here.
15135 (lookaheadset, shiftset): New, used as additional storage by
15137 (print_results): Adjust.
15138 (print_shifts, print_gotos, print_errs): New, extracted from...
15139 (print_actions): here.
15140 * src/print_graph.c (print_actions): Remove dead code.
15142 2001-12-27 Akim Demaille <akim@epita.fr>
15144 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
15147 2001-12-27 Akim Demaille <akim@epita.fr>
15149 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
15150 (build_relations): Adjust.
15152 2001-12-27 Akim Demaille <akim@epita.fr>
15154 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
15157 2001-12-27 Akim Demaille <akim@epita.fr>
15159 * src/reader.c (packgram): Catch nitems overflows.
15161 2001-12-27 Akim Demaille <akim@epita.fr>
15163 * src/files.c, src/files.h (guard_obstack): Remove.
15164 * src/output.c (output): Adjust.
15165 * src/reader.c (parse_braces): New, factoring...
15166 (copy_action, copy_guard): these two which are renamed as...
15167 (parse_action, parse_guard): these.
15168 As a voluntary consequence, using braces around guards is now
15171 2001-12-27 Akim Demaille <akim@epita.fr>
15173 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
15174 * src/reader.c (symbol_list): `guard' and `guard_line' are new
15176 (symbol_list_new): Adjust.
15177 (copy_action): action_line is the first line, not the last.
15178 (copy_guard): Just as for actions, store the `action' only, not
15179 the switch/case/break flesh.
15180 Don't parse the user action that might follow the guard, let...
15181 (readgram): do it, i.e., now, there can be an action after a
15183 In other words the guard is just explicitly optional.
15184 (packgram): Adjust.
15185 * src/output.c (guards_output): New.
15186 (output_parser): Call it when needed.
15187 (output): Also free the guard and attrs obstacks.
15188 * src/files.c, src/files.h (obstack_save): Remove.
15189 (output_files): Remove.
15190 As a result, if one needs the former `.act' file, using an
15191 appropriate skeleton which requires actions and guards is now
15193 * src/main.c (main): Adjust.
15194 * tests/semantic.at: New.
15195 * tests/regression.at: Use `input.y' as input file name.
15196 Avoid 8+3 problems by requiring input.c when the test needs the
15199 2001-12-27 Akim Demaille <akim@epita.fr>
15201 * src/reader.c (symbol_list_new): Be sure to initialize all the
15204 2001-12-27 Akim Demaille <akim@epita.fr>
15206 All the hacks using a final pseudo state are now useless.
15208 * src/LR0.c (set_state_table): state_table holds exactly nstates.
15209 * src/lalr.c (nLA): New.
15210 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
15211 instead of lookaheadsp from the pseudo state (nstate + 1).
15213 2001-12-27 Akim Demaille <akim@epita.fr>
15215 * src/output.c (action_row, token_actions): Use a state_t instead
15216 of a integer, and nlookaheads instead of the following state's
15219 2001-12-27 Akim Demaille <akim@epita.fr>
15221 * src/conflicts.c (log_resolution, flush_shift)
15222 (resolve_sr_conflict, set_conflicts, solve_conflicts)
15223 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
15224 (conflicts_print, print_reductions): Use a state_t instead of an
15225 integer when referring to a state.
15226 As much as possible, depend upon nlookaheads, instead of the
15227 `lookaheadsp' member of the following state (since lookaheads of
15228 successive states are successive, the difference between state n + 1
15229 and n served as the number of lookaheads for state n).
15230 * src/lalr.c (add_lookback_edge): Likewise.
15231 * src/print.c (print_core, print_actions, print_state)
15232 (print_results): Likewise.
15233 * src/print_graph.c (print_core, print_actions, print_state)
15234 (print_graph): Likewise.
15235 * src/conflicts.h: Adjust.
15237 2001-12-27 Akim Demaille <akim@epita.fr>
15239 * src/bison.hairy: Formatting/comment changes.
15241 Remove `register' indications.
15242 Add plenty of `static'.
15244 2001-12-27 Akim Demaille <akim@epita.fr>
15246 * src/output.c (prepare): Drop the muscle `ntbase' which
15247 duplicates ntokens.
15248 * src/bison.simple: Formatting/comment changes.
15249 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
15250 is an undocumented synonym.
15252 2001-12-22 Akim Demaille <akim@epita.fr>
15254 * src/output.c (output_table_data): Change the prototype to use
15255 `int' for array ranges: some invocations do pass an int, not a
15257 Reported by Wayne Green.
15259 2001-12-22 Akim Demaille <akim@epita.fr>
15261 Some actions of web2c.y are improperly triggered.
15262 Reported by Mike Castle.
15264 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
15265 * tests/regression.at (Web2c): Rename as...
15266 (Web2c Report): this.
15267 (Web2c Actions): New.
15269 2001-12-22 Akim Demaille <akim@epita.fr>
15271 Reductions in web2c.y are improperly reported.
15272 Reported by Mike Castle.
15274 * src/conflicts.c (print_reductions): Fix.
15275 * tests/regression.at (Web2c): New.
15277 2001-12-18 Akim Demaille <akim@epita.fr>
15279 Some host fail on `assert (!"foo")', which expands to
15280 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
15281 Reported by Nelson Beebee.
15283 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
15284 `#define it_succeeded 0' and `assert (it_succeeded)'.
15286 2001-12-17 Marc Autret <autret_m@epita.fr>
15288 * src/bison.simple: Don't hard code the skeleton line and filename.
15289 * src/output.c (output_parser): Rename 'line' as 'output_line'.
15290 New line counter 'skeleton_line' (skeleton-line muscle).
15292 2001-12-17 Paul Eggert <eggert@twinsun.com>
15294 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
15295 YYDEBUG must be defined to a nonzero value.
15297 * src/bison.simple (yytname): Do not assume that the user defines
15298 YYDEBUG to a properly parenthesized expression.
15300 2001-12-17 Akim Demaille <akim@epita.fr>
15302 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
15303 nlookaheads is a new member.
15305 * src/lalr.h (nlookaheads): Remove this orphan declaration.
15306 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
15309 2001-12-17 Akim Demaille <akim@epita.fr>
15311 * src/files.h, src/files.c (open_files, close_files): Remove.
15312 * src/main.c (main): Don't open/close files, nor invoke lex_free,
15314 * src/reader.c (reader): Do it.
15316 2001-12-17 Akim Demaille <akim@epita.fr>
15318 * src/conflicts.c (print_reductions): Formatting changes.
15320 2001-12-17 Akim Demaille <akim@epita.fr>
15322 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
15323 (flush_reduce): New.
15324 (resolve_sr_conflict): Adjust.
15326 2001-12-17 Akim Demaille <akim@epita.fr>
15328 * src/output.c (output_obstack): Be static and rename as...
15329 (format_obstack): this, to avoid any confusion with files.c's
15331 * src/reader.h (muscle_obstack): Move to...
15332 * src/output.h: here, since it's defined in output.c.
15334 2001-12-17 Akim Demaille <akim@epita.fr>
15336 * src/output.c (action_row, save_column, default_goto)
15337 (sort_actions, matching_state, pack_vector): Better variable
15340 2001-12-17 Akim Demaille <akim@epita.fr>
15342 * src/output.c: Various formatting changes.
15344 2001-12-17 Akim Demaille <akim@epita.fr>
15346 * src/files.c (output_files): Free the output_obstack.
15347 * src/main.c (main): Call print and print_graph conditionally.
15348 * src/print.c (print): Work unconditionally.
15349 * src/print_graph.c (print_graph): Work unconditionally.
15350 * src/conflicts.c (log_resolution): Output only if verbose_flag.
15352 2001-12-16 Marc Autret <autret_m@epita.fr>
15354 * src/output.c (actions_output): Fix. When we use %no-lines,
15355 there is one less line per action.
15357 2001-12-16 Marc Autret <autret_m@epita.fr>
15359 * src/bison.simple: Remove a useless #line directive.
15360 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
15361 * src/output.c (get_lines_number): New.
15362 (output_parser): Adjust, now takes care about the lines of a
15364 Fix line numbering.
15365 (actions_output): Computes the number of lines taken by actions.
15366 (output_master_parser): Insert new skeleton which is the name of
15367 the output parser file name.
15369 2001-12-15 Marc Autret <autret_m@epita.fr>
15371 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
15373 2001-12-15 Marc Autret <autret_m@epita.fr>
15375 * src/output.c (output_gram): Keep track of the hairy one.
15377 2001-12-15 Akim Demaille <akim@epita.fr>
15379 Make `make distcheck' work.
15381 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
15382 system.h which uses libgettext.h.
15384 2001-12-15 Akim Demaille <akim@epita.fr>
15386 * src/nullable.c (set_nullable): Useless rules must be skipped,
15387 otherwise, since we range over their symbols, we might look at a
15388 nonterminal which no longer ``exists'', i.e., it is not counted in
15389 `nvars', hence we overflow our arrays.
15391 2001-12-15 Akim Demaille <akim@epita.fr>
15393 The header can also be produced directly, without any obstack!
15396 * src/files.c, src/files.h (defines_obstack): Remove.
15397 (compute_header_macro): Global.
15398 (defines_obstack_save): Remove.
15399 * src/reader.c (parse_union_decl): No longer output to
15400 defines_obstack: its content can be found in the `stype' muscle
15402 (output_token_translations): Merge into...
15403 (symbols_output): this.
15405 (symbols_save): this.
15407 * src/output.c (header_output): New.
15410 2001-12-15 Akim Demaille <akim@epita.fr>
15412 * src/reader.c (parse_union_decl): Instead of handling two obstack
15413 simultaneously, use one to define the `stype' muscle, and use the
15414 value of the latter to fill defines_obstack.
15415 (copy_comment): Remove.
15416 (copy_comment2): Work for a single obstack.
15418 (copy_comment): this.
15420 2001-12-15 Akim Demaille <akim@epita.fr>
15422 * src/lex.c, src/lex.h (xgetc): No longer static.
15423 * src/reader.c (parse_union_decl): Revamp.
15425 2001-12-15 Akim Demaille <akim@epita.fr>
15427 Still making progress in separating Bison into (i) input, (ii)
15428 process, (iii) output: now we can directly output the parser file
15429 without using table_obstack at all.
15431 * src/files.c, src/files.h (table_obstack): Bye bye.
15432 (parser_file_name): New.
15433 * src/files.c (compute_output_file_names): Compute it.
15434 * src/output.c (actions_output, output_parser)
15435 (output_master_parser): To a file instead of an obstack.
15437 2001-12-15 Akim Demaille <akim@epita.fr>
15439 Attach actions to rules, instead of pre-outputting them to
15442 * src/gram.h (rule_t): action and action_line are new members.
15443 * src/reader.c (symbol_list): Likewise.
15444 (copy_action): Save the actions within the rule.
15445 (packgram): Save them in rule_table.
15446 * src/output.c (actions_output): New.
15447 (output_parser): Use it on `%%actions'.
15448 (output_rule_data): Don't free rule_table.
15450 (prepare): Don't save the `action' muscle.
15451 * src/bison.simple: s/%%action/%%actions/.
15453 2001-12-15 Akim Demaille <akim@epita.fr>
15455 * src/reader.c (copy_action): When --yacc, don't append a `;'
15456 to the user action: let it fail if lacking.
15457 Suggested by Arnold Robbins and Tom Tromey.
15459 2001-12-14 Akim Demaille <akim@epita.fr>
15461 * src/lex.c (literalchar): Simply return the char you decoded, non
15462 longer mess around with obstacks and int pointers.
15463 Adjust all callers.
15465 2001-12-14 Akim Demaille <akim@epita.fr>
15467 * src/lex.c (literalchar): Don't escape the special characters,
15468 just decode them, and keep them as char (before, eol was output as
15469 the 2 char string `\n' etc.).
15470 * src/output.c (output_rule_data): Use quotearg to output the
15473 2001-12-13 Paul Eggert <eggert@twinsun.com>
15475 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
15476 Do not infringe on the global user namespace when using C++.
15477 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
15478 All uses of `fprintf' and `stderr' changed.
15480 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
15482 2001-12-13 Akim Demaille <akim@epita.fr>
15484 The computation of nullable is broken: it doesn't handle empty
15487 * tests/torture.at (GNU AWK Grammar): New.
15488 * tests/sets.at (Nullable): New.
15489 * src/nullable.c (set_nullable): Instead of blindly looping over
15490 `ritems', loop over the rules, and then over their rhs's.
15492 Work around Autotest bugs.
15494 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
15495 frame, because Autotest understand lines starting with a `+' as
15496 traces from the shell. Then, they are not processed properly.
15497 Admittedly an Autotest bug, but we don't have time to wait for
15498 Autotest to catch up.
15499 * tests/regression.at (Broken Closure): Adjust to the new table
15502 * tests/sets.at: here.
15504 2001-12-13 Akim Demaille <akim@epita.fr>
15506 * src/closure.c (closure): Use nrules instead of playing tricks
15507 with BITS_PER_WORD.
15509 2001-12-13 Akim Demaille <akim@epita.fr>
15511 * src/print.c (print_actions): Output the handling of `$' as the
15512 traces do: shifting the token EOF. Before EOF was treated as a
15514 * tests/regression.at: Adjust some tests.
15515 * src/print_graph.c (print_core): Complete the set of items via
15516 closure. The next-to-final and final states are still unsatisfying,
15517 but that's to be addressed elsewhere.
15518 No longer output the rule numbers, but do output the state number.
15519 A single loop for the shifts + gotos is enough, but picked a
15520 distinct color for each.
15521 (print_graph): Initialize and finalize closure.
15523 2001-12-13 Akim Demaille <akim@epita.fr>
15525 * src/reader.c (readgram): Remove dead code, an strip useless
15527 (get_type): Remove, unused.
15529 2001-12-12 Akim Demaille <akim@epita.fr>
15531 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
15532 on that of lib/error.c.
15534 2001-12-12 Akim Demaille <akim@epita.fr>
15536 Some hosts don't like `/' in includes.
15538 * src/system.h: Include libgettext.h without qualifying the path.
15539 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
15542 2001-12-11 Marc Autret <autret_m@epita.fr>
15544 * src/output.c (output_parser): Remove useless muscle.
15546 2001-12-11 Marc Autret <autret_m@epita.fr>
15548 * src/bison.simple: Remove #line just before %%epilogue. It
15549 is now handled in ...
15550 * src/reader.c (read_additionnal_code): Add the output of a
15551 #line for the epilogue.
15553 2001-12-10 Marc Autret <autret_m@epita.fr>
15555 * src/reader.c (copy_definition): Re-use CPP-outed code which
15556 replace precedent remove.
15557 * src/bison.simple: Remove #line before %%prologue because
15558 %%input-line is wrong at this time.
15560 2001-12-10 Marc Autret <autret_m@epita.fr>
15562 * src/reader.c (symbols_output): Clean up.
15563 * src/output.c (output_gram, output): Clean up.
15565 2001-12-10 Akim Demaille <akim@epita.fr>
15567 * src/lalr.c (initialize_lookaheads): New. Extracted from...
15568 * src/LR0.c (set_state_table): here.
15569 * src/lalr.c (lalr): Call it.
15571 2001-12-10 Akim Demaille <akim@epita.fr>
15573 * src/state.h (shifts): Remove the `number' member: shifts are
15574 attached to state, hence no longer need to be labelled with a
15577 2001-12-10 Akim Demaille <akim@epita.fr>
15579 Now that states have a complete set of members, the linked list of
15580 shifts is useless: just fill directly the state's shifts member.
15582 * src/state.h (shifts): Remove the `next' member.
15583 * src/LR0.c (first_state, last_state): Remove.
15584 Adjust the callers.
15585 (augment_automaton): Don't look for the shifts that must be added
15586 a shift on EOF: it is those of the state we looked for! But now,
15587 since shifts are attached, it is no longer needed to looking
15588 merely by its id: its number.
15590 2001-12-10 Akim Demaille <akim@epita.fr>
15592 * src/LR0.c (augment_automaton): Better variable locality.
15593 Remove an impossible branch: if there is a state corresponding to
15594 the start symbol being shifted, then there is shift for the start
15595 symbol from the initial state.
15597 2001-12-10 Akim Demaille <akim@epita.fr>
15599 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
15600 only when appropriate: when insert_start_shifting_state' is not
15602 * tests/regression.at (Rule Line Numbers): Adjust.
15604 2001-12-10 Akim Demaille <akim@epita.fr>
15606 * src/LR0.c (augment_automaton): Now that all states have shifts,
15607 merge the two cases addition shifts to the initial state.
15609 2001-12-10 Akim Demaille <akim@epita.fr>
15611 * src/lalr.c (set_state_table): Move to...
15613 * src/lalr.c (lalr): Don't call it...
15614 * src/LR0.c (generate_states): do it.
15615 * src/LR0.h (first_state): Remove, only the table is used.
15617 2001-12-10 Akim Demaille <akim@epita.fr>
15619 * src/LR0.h (first_shift, first_reduction): Remove.
15620 * src/lalr.c: Don't use first_shift: find shifts through the
15623 2001-12-10 Akim Demaille <akim@epita.fr>
15625 * src/LR0.c: Attach shifts to states as soon as they are
15627 * src/lalr.c (set_state_table): Instead of assigning shifts to
15628 state, just assert that the mapping was properly done.
15630 2001-12-10 Akim Demaille <akim@epita.fr>
15632 * src/LR0.c (insert_start_shift): Rename as...
15633 (insert_start_shifting_state): this.
15634 (insert_eof_shifting_state, insert_accepting_state): New.
15635 (augment_automaton): Adjust.
15636 Better locality of the variables.
15637 When looking if the start_symbol is shifted from the initial
15638 state, using `while (... symbol != start_symbol ...)' sounds
15639 better than `while (... symbol < start_symbol ...)': If fail
15640 to see how the order between symbols could be relevant!
15642 2001-12-10 Akim Demaille <akim@epita.fr>
15644 * src/getargs.h: Don't declare `spec_name_prefix' and
15645 `spec_file_prefix', declared by src/files.h.
15646 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
15647 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
15648 * src/output.c (prepare): Adjust.
15649 * src/reader.c (symbols_output): Likewise.
15650 * src/vmsgetargs.c: Vaguely adjust, but who cares?
15652 2001-12-10 Akim Demaille <akim@epita.fr>
15654 * src/muscle_tab.c (muscle_init): NULL is a better default than
15657 2001-12-10 Akim Demaille <akim@epita.fr>
15659 * src/reader.c (reader): Calling symbols_output once is enough.
15661 2001-12-10 Akim Demaille <akim@epita.fr>
15663 Now that states have a complete set of members, the linked list of
15664 reductions is useless: just fill directly the state's reductions
15667 * src/state.h (struct reductions): Remove member `number' and
15669 * src/LR0.c (first_reduction, last_reduction): Remove.
15670 (save_reductions): Don't link the new reductions, store them in
15672 * src/lalr.c (set_state_table): No need to attach reductions to
15673 states, it's already done.
15674 * src/output.c (output_actions): No longer free the shifts, then
15675 the reductions, then the states: free all the states and their
15678 2001-12-10 Akim Demaille <akim@epita.fr>
15680 * src/options.c (OPTN, DRTV, BOTH): New.
15681 (option_table): Use them.
15683 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
15684 the job of system.h.
15685 * src/options.c: Don't include stdio.h and xalloc.h for the same
15688 2001-12-10 Akim Demaille <akim@epita.fr>
15690 * src/output.c (output, prepare): Make sure the values of the
15691 muscles `action' and `prologue' are 0-terminated.
15693 2001-12-10 Akim Demaille <akim@epita.fr>
15695 Clean up GCC warnings.
15697 * src/reader.c (copy_action): `buf' is not used.
15698 (parse_skel_decl): Be static.
15699 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
15700 * src/options.h (create_long_option_table): Have a real prototype.
15701 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
15702 (hash_delete_at): Return const void *.
15703 Adjust casts to preserve the const.
15705 2001-12-10 Akim Demaille <akim@epita.fr>
15707 * configure.in: Require 2.52g.
15708 M4 is not needed, but AUTOM4TE is.
15709 * m4/m4.m4: Remove.
15710 * tests/Makefile.am: Adjust.
15712 2001-12-10 Akim Demaille <akim@epita.fr>
15714 One structure for states is enough, even though theoretically
15715 there are LR(0) states and LALR(1) states.
15717 * src/lalr.h (state_t): Remove.
15718 (state_table): Be state_t **, not state_t *.
15719 * src/state.h (core, CORE_ALLOC): Rename as...
15720 (state_t, STATE_ALLOC): this.
15721 Add the LALR(1) members: shifts, reductions, errs.
15722 * src/LR0.c (state_table): Rename as...
15723 (state_hash): this, to avoid name clashes with the global
15725 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
15726 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
15728 2001-12-10 Akim Demaille <akim@epita.fr>
15730 Bison dumps core on bash.y.
15731 Reported by Pascal Bart.
15733 * src/warshall.c (bitmatrix_print): New.
15735 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
15736 j must be the outer loop.
15737 * tests/regression.at (Broken Closure): New.
15739 2001-12-05 Akim Demaille <akim@epita.fr>
15741 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
15743 Reported by Peter Hamorsky.
15745 2001-12-05 Akim Demaille <akim@epita.fr>
15747 * src/conflicts.c (err_table): Remove.
15748 (resolve_sr_conflict): Adjust.
15749 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
15751 (state_t.reductions, state_t.shifts): this.
15753 2001-12-05 Akim Demaille <akim@epita.fr>
15755 * src/reduce.c (reduce_grammar_tables): No longer disable the
15756 removal of useless rules via CPP but via `if (0)', so that the
15757 compiler still check the code is valid.
15758 For instance, it should have noticed `rline' no longer exists: use
15759 the `line' member of rule_t.
15760 * src/gram.c (dummy, rline): Remove, unused.
15762 2001-12-05 Akim Demaille <akim@epita.fr>
15764 * src/output.c (pack_vector): Use assert, not berror.
15765 * src/main.c (berror): Remove, unused.
15767 2001-12-05 Akim Demaille <akim@epita.fr>
15769 New experimental feature: if --verbose --trace output all the
15770 items of a state, not only its kernel.
15772 * src/print.c (print_core): If `trace_flag', then invoke closure
15773 before outputting the items of the state (print_core is no longer
15774 a correct name them).
15775 (print_results): Invoke new_closure/free_closure if needed.
15777 2001-12-05 Akim Demaille <akim@epita.fr>
15779 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
15780 * src/closure.c, src/closure.h (itemsetsize): Rename as...
15781 (nitemset): for consistency with the rest of the project.
15783 2001-12-05 Akim Demaille <akim@epita.fr>
15785 * src/closure.c (print_closure): Improve.
15786 (closure): Use it for printing input and output.
15788 2001-12-05 Akim Demaille <akim@epita.fr>
15790 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
15791 indexed by nonterminals.
15793 2001-12-05 Akim Demaille <akim@epita.fr>
15795 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
15797 * src/warshall.h: Remove accidental duplication of the content.
15799 2001-12-05 Akim Demaille <akim@epita.fr>
15801 * src/closure.c (set_fderives): De-obfuscate.
15803 2001-12-05 Akim Demaille <akim@epita.fr>
15805 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
15807 2001-12-05 Akim Demaille <akim@epita.fr>
15809 * src/closure.c (set_firsts): De-obfuscate.
15811 2001-12-05 Akim Demaille <akim@epita.fr>
15813 * src/output.c (action_row): De-obfuscate
15814 using the good o' techniques: arrays not pointers, variable
15815 locality, BITISSET, RESETBIT etc.
15817 2001-12-05 Akim Demaille <akim@epita.fr>
15819 Pessimize the code to simplify it: from now on, all the states
15820 have a valid SHIFTS, which NSHIFTS is possibly 0.
15822 * src/LR0.c (shifts_new): Be global and move to..
15823 * src/state.c, src/state.h: here.
15824 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
15825 * src/print_graph: Adjust.
15827 2001-12-05 Akim Demaille <akim@epita.fr>
15829 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
15830 * src/conflicts.c: Use it.
15831 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
15832 incorrectly ``simplified''.
15834 2001-12-05 Akim Demaille <akim@epita.fr>
15836 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
15837 using the good o' techniques: arrays not pointers, variable
15838 locality, BITISSET, RESETBIT etc.
15840 2001-12-05 Akim Demaille <akim@epita.fr>
15842 * src/state.h (SHIFT_SYMBOL): New.
15843 * src/conflicts.c: Use it to deobfuscate.
15845 2001-12-05 Akim Demaille <akim@epita.fr>
15847 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
15848 (print_reductions): De-obfuscate using the good o' techniques:
15849 arrays not pointers, variable locality, BITISSET.
15851 2001-12-05 Akim Demaille <akim@epita.fr>
15853 * src/conflicts.c (print_reductions): Arrays, not pointers.
15856 2001-12-05 Akim Demaille <akim@epita.fr>
15858 * src/conflicts.c (print_reductions): Pessimize, but clarify.
15860 2001-12-05 Akim Demaille <akim@epita.fr>
15862 * src/conflicts.c (print_reductions): Improve variable locality.
15864 2001-12-05 Akim Demaille <akim@epita.fr>
15866 * src/conflicts.c (print_reductions): Pessimize, but clarify.
15868 2001-12-05 Akim Demaille <akim@epita.fr>
15870 * src/conflicts.c (print_reductions): Improve variable locality.
15872 2001-12-05 Akim Demaille <akim@epita.fr>
15874 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
15875 * src/lalr.c: Use them.
15877 2001-12-05 Akim Demaille <akim@epita.fr>
15879 * src/LR0.c (augment_automaton): Formatting changes.
15880 Better variable locality.
15882 2001-12-05 Akim Demaille <akim@epita.fr>
15884 * src/lalr.c (matrix_print): New.
15885 (transpose): Use it.
15886 Use arrays instead of pointers.
15888 2001-12-05 Akim Demaille <akim@epita.fr>
15890 * src/lalr.c (maxrhs): Move to...
15891 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
15892 * src/lalr.c (build_relations): Adjust.
15894 2001-12-05 Akim Demaille <akim@epita.fr>
15896 * src/lalr.c (transpose): Free the memory allocated to the
15897 argument, as it is replaced by the results by the unique caller.
15898 (build_relations): Merely invoke transpose: it handles the memory
15900 Improve variable locality.
15901 Avoid variables used as mere abbreviations.
15902 (compute_lookaheads): Use arrays instead of pointers.
15904 2001-12-05 Akim Demaille <akim@epita.fr>
15906 * src/lalr.c (initialize_F): Improve variable locality.
15907 Avoid variables used as mere abbreviations.
15909 2001-12-05 Akim Demaille <akim@epita.fr>
15911 * src/derives.c (print_derives): Display the ruleno.
15912 * src/lalr.c (initialize_F, transpose): Better variable locality
15913 to improve readability.
15914 Avoid variables used as mere abbreviations.
15916 2001-12-05 Akim Demaille <akim@epita.fr>
15918 * src/lalr.c (traverse): Use arrays instead of pointers.
15920 2001-12-05 Akim Demaille <akim@epita.fr>
15922 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
15923 the handling of squeue.
15924 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
15926 2001-12-05 Akim Demaille <akim@epita.fr>
15928 Because useless nonterminals are now kept alive (instead of being
15929 `destroyed'), we now sometimes examine them, and store information
15930 related to them. Hence we need to know their number, and adjust
15931 memory allocations.
15933 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
15935 * src/LR0.c (allocate_itemsets): The memory allocated to
15936 `symbol_count' was used for two different purpose: once to count
15937 the number of occurrences of each symbol, and later reassigned to
15938 `shift_symbol', containing the symbol that can be shifted from a
15940 Deobfuscate, i.e., allocate, use and free `symbol_count' here
15942 (new_itemsets): Allocate `shift_symbol' here.
15943 (allocate_itemsets): symbol_count includes useless nonterminals.
15944 Make room for them.
15945 (free_storage): Use `free', not `XFREE', for pointers that cannot
15948 2001-12-05 Akim Demaille <akim@epita.fr>
15950 * src/nullable.c (set_nullable): Deobfuscate the handling of
15952 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
15954 2001-12-05 Akim Demaille <akim@epita.fr>
15956 * src/gram.c, src/gram.h (ritem_print): New.
15957 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
15958 (This useless function was defined only to work around VMS linkers
15959 that can't handle compilation units with variables only).
15960 * src/reduce.c (dump_grammar): Use it to trace the construction of
15963 2001-12-04 Paul Eggert <eggert@twinsun.com>
15965 * src/bison.simple (union yyalloc): Change member names
15966 to be the same as the stack names.
15967 (yyparse): yyptr is now union yyalloc *, not char *.
15968 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
15969 and may generate better code on some machines.
15970 (yystpcpy): Use prototype if __STDC__ is defined, not just
15971 if __cplusplus is defined.
15973 2001-11-30 Akim Demaille <akim@epita.fr>
15975 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
15976 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
15977 Gettext doesn't compile cleanly, and dies with -Werror.
15978 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
15979 Include WARNING_CFLAGS here.
15980 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
15981 before being defined.
15983 2001-11-27 Paul Eggert <eggert@twinsun.com>
15985 * lib/quotearg.h (quotearg_n, quotearg_n_style):
15986 First arg is int, not unsigned.
15987 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
15988 (SIZE_MAX, UINT_MAX): New macros.
15989 (quotearg_n_options): Abort if N is negative.
15990 Avoid overflow check on hosts where size_t is 64 bits and int
15991 is 32 bits, as overflow is impossible there.
15992 Fix off-by-one typo that caused unnecessary reallocation.
15994 2001-11-29 Paul Eggert <eggert@twinsun.com>
15996 Name space cleanup in generated parser.
15998 * doc/bison.texinfo (Bison Parser): Discuss system headers
15999 and their effect on the user name space.
16001 * src/bison.simple:
16002 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
16003 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
16004 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
16006 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
16007 on user names when possible.
16009 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
16010 Simplify test for whather <alloca.h> exists.
16012 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
16014 (<stdio.h>): Include if YYDEBUG.
16016 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
16017 ! defined (yyoverflow) && ! defined (yymemcpy).
16019 (yymemcpy, yyparse): Rename local variables as needed so that
16020 they all begin with 'yy'.
16022 (yystrlen, yystpcpy): New functions.
16024 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
16027 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
16028 instead of relying on string.h functions. Use YYSTACK_ALLOC
16029 and YYSTACK_FREE instead of malloc and free.
16031 2001-11-30 Akim Demaille <akim@epita.fr>
16033 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
16034 before their first uses.
16035 (YYBISON, YYPURE): Move to the top of the output.
16037 2001-11-30 Akim Demaille <akim@epita.fr>
16039 * tests/reduce.at (Useless Nonterminals): Fix.
16041 2001-11-30 Akim Demaille <akim@epita.fr>
16043 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
16044 if body instead of `;' to pacify GCC's warnings.
16046 2001-11-30 Akim Demaille <akim@epita.fr>
16048 Instead of mapping the LHS of unused rules to -1, keep the LHS
16049 valid, but flag the rules as invalid.
16051 * src/gram.h (rule_t): `useful' is a new member.
16052 * src/print.c (print_grammar): Adjust.
16053 * src/derives.c (set_derives): Likewise.
16054 * src/reader.c (packgram, reduce_output): Likewise.
16055 * src/reduce.c (reduce_grammar_tables): Likewise.
16056 * tests/reduce.at (Underivable Rules, Useless Rules): New.
16058 2001-11-30 Akim Demaille <akim@epita.fr>
16060 * src/reduce.c (reduce_output): Formatting changes.
16061 * src/print.c (print_results, print_grammar): Likewise.
16062 * tests/regression.at (Rule Line Numbers)
16063 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
16065 2001-11-30 Akim Demaille <akim@epita.fr>
16067 * src/reduce.c (nonterminals_reduce): Instead of throwing away
16068 useless nonterminals, move them at the end of the symbol arrays.
16069 (reduce_output): Adjust.
16070 * tests/reduce.at (Useless Nonterminals): Adjust.
16072 2001-11-30 Akim Demaille <akim@epita.fr>
16074 * src/reduce.c: Various comment/formatting changes.
16075 (nonterminals_reduce): New, extracted from...
16076 (reduce_grammar_tables): here.
16077 (reduce_grammar): Call nonterminals_reduce.
16079 2001-11-29 Paul Eggert <eggert@twinsun.com>
16081 * src/bison.simple (YYSTACK_REALLOC): Remove.
16082 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
16083 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
16085 (union yyalloc): New type.
16086 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
16087 an arbitrary restriction on hosts where size_t is wider than int.
16089 (yyparse): Don't dump core if alloca or malloc fails; instead, report
16090 a parser stack overflow. Allocate just one block of memory for all
16091 three stacks, instead of allocating three blocks; this typically is
16092 faster and reduces fragmentation.
16094 Do not limit the number of items in the stack to a value that fits
16095 in 'int', as this is an arbitrary limit on hosts with 64-bit
16096 size_t and 32-bit int.
16098 2001-11-29 Marc Autret <autret_m@epita.fr>
16100 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
16101 of defining YYERROR_VERBOSE.
16102 [AT_DATA]: $4 is now out of C declarations in the prologue.
16104 2001-11-28 Marc Autret <autret_m@epita.fr>
16106 * src/reader.c (parse_dquoted_param): New.
16107 (parse_skel_decl): Use it.
16108 * src/lex.h: Add its prototype.
16109 * src/lex.c (literalchar): Become not static.
16111 2001-11-28 Marc Autret <autret_m@epita.fr>
16113 * src/output.h: And put its extern declaration here.
16114 * src/output.c (error_verbose): Define here.
16115 (prepare): Echo name modification.
16116 * src/getargs.h: Clean its extern declaration.
16117 * src/getargs.c (error_verbose_flag): Remove.
16118 (getargs): Remove case 'e'.
16119 * src/options.c (option_table): 'error-verbose' is now seen as simple
16123 * src/reader.c (read_declarations): Remove case tok_include.
16124 (parse_include_decl): Remove.
16125 * src/lex.h (token_t): Remove tok_include.
16126 * src/options.c (option_table): 'include' is now a simple command line
16129 2001-11-28 Marc Autret <autret_m@epita.fr>
16131 * src/bison.simple: Adjust muscle names.
16132 * src/muscle_tab.c (muscle_init): Also rename the muscles.
16133 * src/output.c (prepare): s/_/-/ for the muscles names.
16134 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
16136 2001-11-28 Marc Autret <autret_m@epita.fr>
16138 * src/bison.simple: Fix debug.
16139 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
16141 2001-11-28 Akim Demaille <akim@epita.fr>
16143 * src/LR0.c (shifts_new): New.
16144 (save_shifts, insert_start_shift, augment_automaton): Use it.
16146 2001-11-28 Akim Demaille <akim@epita.fr>
16148 * src/closure.c (closure): `b' and `ruleno' denote the same value:
16151 2001-11-28 Akim Demaille <akim@epita.fr>
16153 * src/closure.c (closure): Instead of looping over word in array
16154 then bits in words, loop over bits in array.
16156 2001-11-28 Akim Demaille <akim@epita.fr>
16158 * src/closure.c (closure): No longer optimize the special case
16159 where all the bits of `ruleset[r]' are set to 0, to make the code
16162 2001-11-28 Akim Demaille <akim@epita.fr>
16164 * src/closure.c (closure): `r' and `c' are new variables, used to
16165 de-obfuscate accesses to RULESET and CORE.
16167 2001-11-28 Akim Demaille <akim@epita.fr>
16169 * src/reduce.c (reduce_print): Use ngettext.
16170 (dump_grammar): Improve the trace accuracy.
16172 2001-11-28 Akim Demaille <akim@epita.fr>
16174 * src/reduce.c (dump_grammar): Don't translate trace messages.
16176 2001-11-28 Akim Demaille <akim@epita.fr>
16178 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
16179 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
16180 as all tags are free'ed afterwards.
16181 From Enrico Scholz.
16183 2001-11-27 Paul Eggert <eggert@twinsun.com>
16185 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
16186 use alloca when we didn't want to, and vice versa.
16188 2001-11-27 Marc Autret <autret_m@epita.fr>
16190 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
16192 * src/output.c (prepare): Remove its update.
16194 2001-11-27 Marc Autret <autret_m@epita.fr>
16196 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
16197 Use %error-verbose.
16199 2001-11-27 Marc Autret <autret_m@epita.fr>
16201 * src/bison.simple: Remove YYERROR_VERBOSE using.
16202 Use %%error_verbose.
16203 (yyparse): Likewise.
16204 * src/output.c (prepare): Give its final value.
16205 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
16206 * src/getargs.h: Add its extern declaration.
16207 * src/getargs.c (error_verbose_flag): New int.
16208 (getargs): Update to catch new case.
16209 * src/options.c (option_table): 'error-verbose' is a new option.
16210 (shortopts): Update.
16212 2001-11-27 Akim Demaille <akim@epita.fr>
16214 * src/system.h: Use intl/libgettext.h.
16215 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
16217 2001-11-27 Akim Demaille <akim@epita.fr>
16219 * tests/torture.at (Exploding the Stack Size with Malloc):
16220 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
16222 2001-11-27 Akim Demaille <akim@epita.fr>
16224 * src/files.c: Include error.h.
16225 Reported by Hans Aberg.
16227 2001-11-26 Marc Autret <autret_m@epita.fr>
16229 * src/reader.c (parse_include_decl): New, not yet implemented.
16230 (read_declarations): Add case tok_include.
16231 * src/getargs.h (include): Add its extern definition.
16232 * src/getargs.c (include): New const char *.
16233 (getargs): Add case '-I'.
16234 * src/options.c (option_table): Add include as command line and
16236 * src/lex.h (token_t): Add tok_include.
16238 2001-11-26 Akim Demaille <akim@epita.fr>
16240 * src/reader.c (readgram): Make sure rules for mid-rule actions
16241 have a lineno equal to that of their host rule.
16242 Reported by Hans Aberg.
16243 * tests/regression.at (Rule Line Numbers): New.
16245 2001-11-26 Akim Demaille <akim@epita.fr>
16247 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
16250 2001-11-26 Akim Demaille <akim@epita.fr>
16252 * src/complain.c, src/complain.h (error): Remove, provided by
16255 2001-11-26 Akim Demaille <akim@epita.fr>
16257 * src/reader.c (read_declarations): Don't abort on tok_illegal,
16258 issue an error message.
16259 * tests/regression.at (Invalid %directive): New.
16260 Reported by Hans Aberg.
16262 2001-11-26 Akim Demaille <akim@epita.fr>
16264 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
16265 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
16267 2001-11-26 Akim Demaille <akim@epita.fr>
16269 * src/conflicts.c (conflicts_print): Don't complain at all when
16270 there are no reduce/reduce conflicts, and as many shift/reduce
16271 conflicts as expected.
16272 * tests/regression.at (%expect right): Adjust.
16274 2001-11-23 Akim Demaille <akim@epita.fr>
16276 * lib/alloca.c: Update, from fileutils.
16278 2001-11-23 Akim Demaille <akim@epita.fr>
16280 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
16282 2001-11-23 Akim Demaille <akim@epita.fr>
16284 * src/system.h: Include alloca.h.
16285 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
16287 2001-11-23 Akim Demaille <akim@epita.fr>
16289 * src/print_graph.c (print_actions): Remove `rule', unused.
16290 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
16291 pacify GCC's signed < unsigned warnings.
16292 * src/closure.c (itemsetsize): Likewise.
16293 * src/reader.c (symbol_list_new): Static.
16295 2001-11-23 Akim Demaille <akim@epita.fr>
16297 Attaching lineno to buckets is stupid, since only one copy of each
16298 symbol is kept, only the line of the first occurrence is kept too.
16300 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
16301 * src/reader.c (rline_allocated): Remove, unused.
16302 (symbol_list): Have a `line' member.
16303 (symbol_list_new): New.
16304 (readgram): Use it.
16305 * src/print.c (print_grammar): Output the rule line numbers.
16306 * tests/regression.at (Solved SR Conflicts)
16307 (Unresolved SR Conflicts): Adjust.
16308 Reported by Hans Aberg.
16310 2001-11-22 Marc Autret <autret_m@epita.fr>
16312 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
16314 2001-11-22 Marc Autret <autret_m@epita.fr>
16316 * src/muscle_tab.c (muscle_init): Remove initialization of
16318 * src/output.c (output_master_parser): Do it here.
16320 2001-11-20 Akim Demaille <akim@epita.fr>
16323 * configure.in (ALL_LINGUAS): Adjust.
16324 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
16325 longer contains strings to translate.
16327 2001-11-19 Akim Demaille <akim@epita.fr>
16329 * src/conflicts.c (conflicts_print): Add a missing \n.
16331 2001-11-19 Akim Demaille <akim@epita.fr>
16333 * src/nullable.c (nullable_print): New.
16334 (set_nullable): Call it when tracing.
16335 Better locality of variables.
16337 2001-11-19 Akim Demaille <akim@epita.fr>
16339 * src/print.c (print_actions): Better locality of variables.
16341 2001-11-19 Akim Demaille <akim@epita.fr>
16343 * src/derives.c (print_derives): Fix and enrich.
16344 * src/closure.c (print_fderives): Likewise.
16346 2001-11-19 Akim Demaille <akim@epita.fr>
16348 * src/closure.c (itemsetend): Remove, replaced with...
16349 (itemsetsize): new.
16351 2001-11-19 Akim Demaille <akim@epita.fr>
16353 * src/LR0.c (kernel_end): Remove, replaced with...
16354 (kernel_size): new.
16356 2001-11-19 Akim Demaille <akim@epita.fr>
16358 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
16361 2001-11-19 Akim Demaille <akim@epita.fr>
16363 * src/closure.c (closure): Use arrays instead of pointers to clarify.
16365 2001-11-19 Akim Demaille <akim@epita.fr>
16367 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
16369 * src/LR0.c: Likewise.
16370 (allocate_itemsets): Use arrays instead of pointers to clarify.
16372 2001-11-19 Akim Demaille <akim@epita.fr>
16374 * src/getargs.c (statistics_flag): Replace with...
16376 (longopts): Accept --trace instead of --statistics.
16377 * src/getargs.h, src/options.c: Adjust.
16378 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
16379 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
16381 2001-11-19 Akim Demaille <akim@epita.fr>
16383 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
16384 pointers to clarify the code.
16385 (save_reductions, save_shifts): Factor common parts of alternatives.
16387 2001-11-19 Akim Demaille <akim@epita.fr>
16389 * src/LR0.c (new_state, get_state): Complete TRACE code.
16390 * src/closure.c: Include `reader.h' to get `tags', needed by the
16392 Rename the conditional DEBUG as TRACE.
16393 Output consistently TRACEs to stderr, not stdout.
16394 * src/derives.c: Likewise.
16395 * src/reduce.c: (inaccessable_symbols): Using if is better style
16397 Use `#if TRACE' instead of `#if 0' for tracing code.
16399 2001-11-19 Akim Demaille <akim@epita.fr>
16401 * src/system.h (LIST_FREE, shortcpy): New.
16402 * src/LR0.c: Use them.
16403 * src/output.c (free_itemsets, free_reductions, free_shifts):
16404 Remove, replaced by LIST_FREE.
16406 2001-11-19 Akim Demaille <akim@epita.fr>
16408 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
16409 (REDUCTIONS_ALLOC): New.
16410 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
16413 2001-11-19 Akim Demaille <akim@epita.fr>
16415 * src/LR0.c (new_state): Complete trace code.
16416 * src/nullable.c (set_nullable): Don't translate traces.
16418 2001-11-19 Akim Demaille <akim@epita.fr>
16420 * src/print_graph.c (print_core): Better locality of variables.
16421 * src/print.c (print_core): Likewise.
16423 2001-11-19 Akim Demaille <akim@epita.fr>
16425 * src/vcg.c: You do the output, so you are responsible of the
16426 handling of VCG syntax, in particular: use quotearg.
16427 * src/print_graph.c: Don't.
16428 (print_actions): Don't output the actions as part of the nodes,
16429 since that's the job of the edges.
16430 (print_state): Don't output by hand: fill the node description,
16431 and ask for its output.
16433 2001-11-19 Akim Demaille <akim@epita.fr>
16435 * src/bison.simple (yyparse): When verbosely reporting an error,
16436 no longer put additional quotes around token names.
16437 * tests/calc.at: Adjust.
16439 2001-11-19 Akim Demaille <akim@epita.fr>
16441 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
16442 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
16443 * src/output.c: Adjust.
16445 2001-11-19 Akim Demaille <akim@epita.fr>
16447 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
16449 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
16451 2001-11-19 Akim Demaille <akim@epita.fr>
16453 * src/gram.h (rule_t): New.
16455 (rrhs, rlhs): Remove, part of state_t.
16456 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
16457 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
16458 * src/reader.c, src/reduce.c: Adjust.
16460 2001-11-19 Akim Demaille <akim@epita.fr>
16462 * src/reader.c (symbols_output): New, extracted from...
16463 (packsymbols): Here.
16466 2001-11-19 Akim Demaille <akim@epita.fr>
16468 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
16469 (maxrhs): this new function.
16471 2001-11-19 Akim Demaille <akim@epita.fr>
16473 * src/lalr.c (F): New macro to access the variable F.
16476 2001-11-19 Akim Demaille <akim@epita.fr>
16478 * src/lalr.h (LA): New macro to access the variable LA.
16479 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
16480 * src/lalr.c: Adjust.
16482 2001-11-19 Akim Demaille <akim@epita.fr>
16484 * src/lalr.c (initialize_LA): Only initialize LA. Let...
16485 (set_state_table): handle the `lookaheads' members.
16487 2001-11-19 Akim Demaille <akim@epita.fr>
16489 * src/lalr.h (lookaheads): Removed array, whose contents is now
16491 (state_t): this structure.
16492 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
16495 2001-11-19 Akim Demaille <akim@epita.fr>
16497 * src/lalr.h (consistent): Removed array, whose contents is now
16499 (state_t): this structure.
16500 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
16503 2001-11-19 Akim Demaille <akim@epita.fr>
16505 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
16506 contents are now members of...
16507 (state_t): this structure.
16508 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
16511 2001-11-19 Akim Demaille <akim@epita.fr>
16513 * src/lalr.h (state_t): New.
16514 (state_table): Be a state_t * instead of a core **.
16515 (accessing_symbol): Remove, part of state_t.
16516 * src/lalr.c: Adjust.
16517 (set_accessing_symbol): Merge into...
16518 (set_state_table): this.
16519 * src/print_graph.c, src/conflicts.c: Adjust.
16521 2001-11-14 Akim Demaille <akim@epita.fr>
16523 * tests/calc.at, tests/output.at, tests/regression.at,
16524 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
16525 now the tests are run in private dirs, therefore AC_CLEANUP and
16526 family can be simplified to 0-ary.
16527 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
16528 use abs. path to find config.h.
16529 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
16530 stderr, there can be way too much random noise.
16531 Instead pass -Werror to GCC and rely on the exit status.
16532 Reported by Wolfram Wagner.
16534 2001-11-14 Akim Demaille <akim@epita.fr>
16536 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
16537 defined only if yyoverflow is defined, to avoid `warning: unused
16539 Reported by The Test Suite.
16541 2001-11-14 Akim Demaille <akim@epita.fr>
16543 * src/print.c: Include reduce.h.
16544 Reported by Hans Aberg.
16546 2001-11-14 Akim Demaille <akim@epita.fr>
16548 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
16549 Revert a previous patch: these are really const.
16550 * src/conflicts.c (conflict_report): Additional useless pair of
16551 braces to pacify GCC's warnings for `if () if () {} else {}'.
16552 * src/lex.c (parse_percent_token): Replace equal_offset with
16555 Be sure to strdup `arg' when used, since there is no reason for
16556 token_buffer not to change.
16558 2001-11-14 Akim Demaille <akim@epita.fr>
16560 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
16562 * src/main.c (main): Use them.
16563 Suggested by Hans Aberg.
16565 2001-11-12 Akim Demaille <akim@epita.fr>
16567 * src/system.h (ngettext): Now that we use ngettext, be sure to
16568 provide a default definition when NLS are not used.
16570 2001-11-12 Akim Demaille <akim@epita.fr>
16572 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
16573 Use @kbd to denote user input.
16574 (Language and Grammar): ANSIfy the example.
16575 Adjust its layout for info/notinfo.
16576 (Location Tracking Calc): Output error messages to stderr.
16577 Output locations in a more GNUtically correct way.
16578 Fix a couple of Englishos.
16579 Adjust @group/@end group pairs.
16581 2001-11-12 Akim Demaille <akim@epita.fr>
16583 %expect was not functioning at all.
16585 * src/conflicts.c (expected_conflicts): Set to -1.
16586 (conflict_report): Use ngettext.
16587 (conflicts_print): Check %expect and make its violation an error.
16588 * doc/bison.texinfo (Expect Decl): Adjust.
16589 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
16590 * tests/regression.at (%expect not enough, %expect right)
16591 (%expect too much): New.
16593 2001-11-12 Akim Demaille <akim@epita.fr>
16595 * tests/regression.at (Conflicts): Rename as...
16596 (Unresolved SR Conflicts): this.
16597 (Solved SR Conflicts): New.
16599 2001-11-12 Akim Demaille <akim@epita.fr>
16601 * src/reduce.c (print_results): Rename as...
16602 (reduce_output): This.
16603 Output to OUT, passed as argument, instead of output_obstack.
16604 (dump_grammar): Likewise.
16605 (reduce_free): New.
16607 (reduce_grammar): No longer call reduce_output, since...
16608 * src/print.c (print_results): do it.
16609 * src/main.c (main): Call reduce_free;
16611 2001-11-12 Akim Demaille <akim@epita.fr>
16613 * src/conflicts.c (print_reductions): Accept OUT as argument.
16614 Output to it, not to output_obstack.
16615 * src/print.c (print_actions): Adjust.
16617 2001-11-12 Akim Demaille <akim@epita.fr>
16619 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
16620 the result instead of using...
16621 (src_total, rrc_total, src_count, rrc_count): Remove.
16622 (any_conflicts): Remove.
16623 (print_conflicts): Split into...
16624 (conflicts_print, conflicts_output): New.
16625 * src/conflicts.h: Adjust.
16626 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
16627 * src/print.c (print_grammar): Issue `\n' between two rules.
16628 * tests/regression.at (Conflicts): New.
16629 Reported by Tom Lane.
16631 2001-11-12 Akim Demaille <akim@epita.fr>
16633 * tests/regression.at (Invalid input): Remove, duplicate with
16634 ``Invalid input: 1''.
16636 2001-11-12 Akim Demaille <akim@epita.fr>
16638 * tests/torture.at (AT_DATA_STACK_TORTURE)
16639 (Exploding the Stack Size with Alloca)
16640 (Exploding the Stack Size with Malloc): New.
16642 2001-11-12 Akim Demaille <akim@epita.fr>
16644 * src/bison.simple (YYSTACK_REALLOC): New.
16645 (yyparse) [!yyoverflow]: Use it and free the old stack.
16646 Reported by Per Allansson.
16648 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
16650 * src/bison.simple: Define type yystype instead of YYSTYPE, and
16651 define CPP macro, which substitute YYSTYPE by yystype.
16652 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
16653 with yyltype/YYLTYPE. This allows inclusion of the generated
16654 header within the parser if the compiler, such as GGC, accepts
16655 multiple equivalent #defines.
16658 2001-11-05 Akim Demaille <akim@epita.fr>
16660 * src/reader.c (symbols_output): New, extracted from...
16661 (packsymbols): here.
16664 2001-11-05 Akim Demaille <akim@epita.fr>
16666 * src/lex.c (parse_percent_token): s/quotearg/quote/.
16668 2001-11-05 Akim Demaille <akim@epita.fr>
16670 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
16673 2001-11-05 Akim Demaille <akim@epita.fr>
16675 * src/options.h (struct option_table_struct): set_flags is void*.
16676 * src/options.c (longopts): Support `--output' and `%output'.
16678 * src/lex.h (tok_setopt): Remove, replaced with...
16679 (tok_intopt, tok_stropt): these new guys.
16680 * src/lex.c (getopt.h): Not needed.
16681 (token_buffer, unlexed_token_buffer): Not const.
16682 (percent_table): Promote `-' over `_' in directive names.
16683 Active `%name-prefix', `file-prefix', and `output'.
16684 (parse_percent_token): Accept possible arguments to directives.
16685 Promote `-' over `_' in directive names.
16687 2001-11-04 Akim Demaille <akim@epita.fr>
16689 * doc/bison.texinfo (Decl Summary): Split the list into
16690 `directives for grammars' and `directives for bison'.
16692 Add description of `%name-prefix', `file-prefix', and `output'.
16693 Promote `-' over `_' in directive names.
16694 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
16695 Simplify the description of `--name-prefix'.
16696 Promote `-' over `_' in directive names.
16697 Promote `--output' over `--output-file'.
16698 Fix the description of `--defines'.
16699 * tests/output.at: Exercise %file-prefix and %output.
16701 2001-11-02 Akim Demaille <akim@epita.fr>
16703 * doc/refcard.tex: Update.
16705 2001-11-02 Akim Demaille <akim@epita.fr>
16707 * src/symtab.h (SUNDEF): New.
16708 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
16709 stand for `uninitialized', instead of 0.
16710 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
16711 * src/lex.c (lex): Adjust.
16713 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
16715 Let yylex return it instead of a plain 0.
16716 Reported by Dick Streefland.
16718 2001-11-02 Akim Demaille <akim@epita.fr>
16720 * tests/regression.at (Mixing %token styles): New test.
16722 2001-11-02 Akim Demaille <akim@epita.fr>
16724 * src/reader.c (parse_thong_decl): Formatting changes.
16725 (token_translations_init): New, extracted from...
16726 (packsymbols): Here.
16729 2001-11-01 Akim Demaille <akim@epita.fr>
16731 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
16732 Check that `9foo.y' produces correct cpp guards.
16733 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
16737 2001-11-01 Akim Demaille <akim@epita.fr>
16739 * tests/regression.at (Invalid input: 2): New.
16740 * src/lex.c (unlexed_token_buffer): New.
16741 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
16745 2001-11-01 Akim Demaille <akim@epita.fr>
16747 * tests/calc.at: Catch up with 1.30.
16748 * configure.in: Bump to 1.49a.
16749 Adjust to newer Autotest.
16751 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
16753 * src/conflicts.c: Move global variables rrc_total and src_total ...
16754 (print_conflicts): here.
16755 * src/output.c (output): Free global variable user_toknums.
16756 * src/lex.c (token_obstack): Become static.
16758 2001-10-18 Akim Demaille <akim@epita.fr>
16760 * tests/atlocal.in (GCC): Add.
16761 * tests/calc.at: s/m4_match/m4_bmatch/.
16762 s/m4_patsubst/m4_bpatsubst/.
16763 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
16764 * configure.in: AC_SUBST(GCC).
16766 2001-10-14 Marc Autret <autret_m@epita.fr>
16768 * src/options.c (create_long_option_table): Fix.
16770 2001-10-10 Akim Demaille <akim@epita.fr>
16772 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
16774 2001-10-04 Akim Demaille <akim@epita.fr>
16776 * src/reader.c (parse_union_decl): Push the caracters in
16777 union_obstack, not attrs_obstack.
16779 2001-10-04 Akim Demaille <akim@epita.fr>
16781 Merge in the branch 1.29.
16783 * src/reader.c (packsymbols): Use a temporary obstack for
16784 `%%tokendef', since output_stack is already used elsewhere.
16786 2001-10-02 Akim Demaille <akim@epita.fr>
16790 2001-10-02 Akim Demaille <akim@epita.fr>
16794 2001-10-02 Akim Demaille <akim@epita.fr>
16796 * tests/regression.at (Invalid CPP headers): New.
16797 From Alexander Belopolsky.
16798 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
16800 2001-10-02 Akim Demaille <akim@epita.fr>
16802 * tests/regression.at (Invalid input): New.
16803 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
16806 2001-10-02 Akim Demaille <akim@epita.fr>
16808 * tests/calc.at: Now that --debug works, the tests must be adjusted.
16810 2001-10-02 Akim Demaille <akim@epita.fr>
16812 * src/output.c (output_parser): Assert `skeleton'.
16813 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
16817 2001-10-01 Marc Autret <autret_m@epita.fr>
16819 * src/lex.h: Echo modifications.
16820 * src/lex.c (unlex): Parameter is now token_t.
16823 2001-10-01 Marc Autret <autret_m@epita.fr>
16825 * src/main.c: Include lex.h.
16828 2001-09-29 Akim Demaille <akim@epita.fr>
16830 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
16832 2001-09-28 Akim Demaille <akim@epita.fr>
16834 * tests/testsuite.at: Update to newer Autotest.
16835 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
16837 2001-09-27 Akim Demaille <akim@epita.fr>
16839 Position independent wrapper.
16841 * tests/bison: Remove.
16842 * tests/bison.in: New.
16843 * configure.in: Adjust.
16845 2001-09-27 Paul Eggert <eggert@twinsun.com>
16847 Port quotearg fixes from tar 1.13.24.
16849 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
16851 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
16852 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
16854 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
16855 * m4/mbrtowc.m4: New file.
16856 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
16857 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
16859 2001-09-27 Akim Demaille <akim@epita.fr>
16863 2001-09-27 Akim Demaille <akim@epita.fr>
16867 2001-09-25 Akim Demaille <akim@epita.fr>
16869 * src/system.h: Include `xalloc.h'.
16870 Remove it from the C files.
16871 * src/files.c (output_files): Free the obstacks.
16872 * src/lex.c (init_lex): Rename as...
16875 * src/main.c (main): Use it.
16877 2001-09-24 Marc Autret <autret_m@epita.fr>
16879 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
16880 to output informations in fout (FILE*).
16881 (open_graph, close_graph): Likewise.
16882 (output_graph, output_edge, output_node): Likewise.
16883 * src/vcg.h: Update function prototypes.
16884 * src/print_graph.c (print_graph): Open output graph file.
16885 (print_actions): Adjust.
16886 * src/files.h: Remove extern declaration.
16887 * src/files.c: Remove graph_obstack declaration.
16888 (open_files): Remove graph_obstack initialization.
16889 (output_files): Remove graph_obstack saving.
16891 2001-09-24 Marc Autret <autret_m@epita.fr>
16893 * src/files.c (compute_output_file_names): Fix.
16895 2001-09-24 Marc Autret <autret_m@epita.fr>,
16896 Akim Demaille <akim@epita.fr>
16898 * src/reader.c (reader): Remove call to free_symtab ().
16899 * src/main.c (main): Call it here.
16901 * src/conflicts.c (initialize_conflicts): Rename as...
16902 (solve_conflicts): this.
16903 * src/print.c (print_core, print_actions, print_state)
16904 (print_grammar): Dump to a file instead a `output_obstack'.
16905 (print_results): Dump `output_obstack', and then proceed with the
16907 * src/files.c (compute_output_file_names, close_files): New.
16908 (output_files): Adjust.
16909 * src/main.c (main): Adjust.
16911 2001-09-23 Marc Autret <autret_m@epita.fr>
16913 * src/files.c (compute_header_macro): Computes header macro name
16914 from spec_defines_file when given.
16916 2001-09-23 Marc Autret <autret_m@epita.fr>
16918 * src/files.c (output_files): Add default extensions.
16920 2001-09-22 Akim Demaille <akim@epita.fr>
16922 * src/conflicts.c (finalize_conflicts): Rename as...
16923 (free_conflicts): this.
16925 2001-09-22 Akim Demaille <akim@epita.fr>
16927 * src/gram.c (gram_free): Rename back as...
16929 (output_token_translations): Free `token_translations'.
16930 * src/symtab.c (free_symtab): Free the tag field.
16932 2001-09-22 Akim Demaille <akim@epita.fr>
16934 Remove `translations' as it is always set to true.
16936 * src/gram.h: Adjust.
16937 * src/reader.c (packsymbols, parse_token_decl): Adjust
16938 * src/print.c (print_grammar): Adjust.
16939 * src/output.c (output_token_translations): Adjust.
16940 * src/lex.c (lex): Adjust.
16941 * src/gram.c: Be sure the set pointers to NULL.
16942 (dummy): Rename as...
16945 2001-09-22 Akim Demaille <akim@epita.fr>
16947 * configure.in: Invoke AM_LIB_DMALLOC.
16948 * src/system.h: Use dmalloc.
16949 * src/LR0.c: Be sure to have pointers initialized to NULL.
16950 (allocate_itemsets): Allocate kernel_items only if needed.
16952 2001-09-22 Akim Demaille <akim@epita.fr>
16954 * configure.in: Bump to 1.29b.
16955 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
16956 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
16957 need xmalloc.c in calc.y.
16960 2001-09-21 Akim Demaille <akim@epita.fr>
16963 * Makefile.maint, config/config.guess, config/config.sub,
16964 * config/missing: Update from masters.
16965 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
16967 * configure.in (ALL_LINGUAS): Add `tr'.
16969 2001-09-21 Akim Demaille <akim@epita.fr>
16971 * tests/Makefile.am (package.m4): Move to...
16972 ($(srcdir)/$(TESTSUITE)): here.
16974 2001-09-20 Akim Demaille <akim@epita.fr>
16976 * src/complain.c: No longer try to be standalone: use system.h.
16977 Don't assume __STDC__ is defined to 1. Just test if it is defined.
16978 * src/complain.h: Likewise.
16979 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
16980 Remove the unused variable `n'.
16981 From Albert Chin-A-Young.
16983 2001-09-18 Marc Autret <autret_m@epita.fr>
16985 * doc/bison.1: Update.
16986 * doc/bison.texinfo (Bison Options): Update --defines and --graph
16988 (Option Cross Key): Update.
16991 2001-09-18 Marc Autret <autret_m@epita.fr>
16993 * tests/regression.at: New test (comment in %union).
16995 2001-09-18 Marc Autret <autret_m@epita.fr>
16997 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
16999 Reported by Keith Browne.
17001 2001-09-18 Marc Autret <autret_m@epita.fr>
17003 * tests/output.at: Add tests for --defines and --graph.
17005 2001-09-18 Marc Autret <autret_m@epita.fr>
17007 * tests/output.at: Removes tests of %{header,src}_extension features.
17009 2001-09-18 Akim Demaille <akim@epita.fr>
17011 * tests/Makefile.am (package.m4): New.
17012 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
17013 (_AT_CHECK_CALC_ERROR): Likewise.
17014 Factor the `, ' part of verbose error messages.
17016 2001-09-18 Marc Autret <autret_m@epita.fr>
17018 * src/getargs.c (longopts): Declare --defines and --graph as options
17019 with optional arguments.
17020 * src/files.h: Add extern declarations.
17021 * src/files.c (spec_graph_file, spec_defines_file): New.
17022 (output_files): Update.
17023 Remove CPP-outed code.
17025 2001-09-18 Marc Autret <autret_m@epita.fr>
17027 Turn off %{source,header}_extension feature.
17029 * src/files.c (compute_exts_from_gf): Update.
17030 (compute_exts_from_src): Update.
17031 (output_files): CPP-out useless code.
17032 * src/files.h: Remove {header,source}_extension extern declarations.
17033 * src/reader.c (parse_dquoted_param): CPP-out.
17034 (parse_header_extension_decl): Remove.
17035 (parse_source_extension_decl): Remove.
17036 (read_declarations): Remove cases tok_{hdrext,srcext}.
17037 * src/lex.c (percent_table): Remove {header,source}_extension entries.
17038 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
17040 2001-09-10 Akim Demaille <akim@epita.fr>
17042 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
17043 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
17044 (AT_CHECK_OUTPUT): this.
17045 Merely check ls' exit status, its output is useless.
17047 2001-09-10 Akim Demaille <akim@epita.fr>
17049 * tests/calc.at: Use m4_match.
17050 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
17052 2001-09-10 Marc Autret <autret_m@epita.fr>,
17053 Akim Demaille <akim@epita.fr>
17055 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
17057 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
17059 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
17060 * src/lex.h: Adjust prototype.
17061 (token_t): Add `tok_undef'.
17062 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
17063 (parse_percent_token): Now returns token_t.
17064 Add default statement in switch.
17065 (lex): Separate `c' as an input variable, from the token_t result
17067 (unlexed): Is a token_t.
17069 2001-09-10 Akim Demaille <akim@epita.fr>
17071 * configure.in: Bump to 1.29a.
17073 2001-09-07 Akim Demaille <akim@epita.fr>
17077 2001-08-30 Akim Demaille <akim@epita.fr>
17079 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
17080 * m4/atconfig.m4: Remove.
17081 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
17082 * tests/bison: New.
17083 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
17084 m4_if, m4_patsubst, and m4_regexp.
17085 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
17086 `input' file instead of echo.
17088 2001-08-29 Akim Demaille <akim@epita.fr>
17092 2001-08-29 Akim Demaille <akim@epita.fr>
17096 2001-08-29 Paul Eggert <eggert@twinsun.com>
17098 * src/bison.simple (yyparse): Don't take the address of an
17099 item before the start of an array, as that doesn't conform to
17102 2001-08-29 Robert Anisko <anisko_r@epita.fr>
17104 * doc/bison.texinfo (Location Tracking Calc): New node.
17106 2001-08-29 Paul Eggert <eggert@twinsun.com>
17108 * src/output.c (output): Do not define const, as this now
17109 causes more problems than it cures.
17111 2001-08-29 Akim Demaille <akim@epita.fr>
17113 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
17115 Be sure to tag the `detailmenu'.
17117 2001-08-29 Akim Demaille <akim@epita.fr>
17119 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
17120 download in a tmp dir.
17122 2001-08-28 Marc Autret <autret_m@epita.fr>
17124 * config/depcomp: New file.
17126 2001-08-28 Marc Autret <autret_m@epita.fr>
17128 * doc/bison.1 (mandoc): Adjust.
17129 From Juan Manuel Guerrero.
17131 2001-08-28 Marc Autret <autret_m@epita.fr>
17133 * src/print_graph.c (print_state): Fix.
17135 2001-08-27 Marc Autret <autret_m@epita.fr>
17137 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
17139 Echo modifications to the functions prototypes.
17140 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
17142 2001-08-27 Marc Autret <autret_m@epita.fr>
17144 * src/vcg.c: Include `xalloc.h'.
17145 (add_colorentry): New.
17146 (add_classname): New.
17147 (add_infoname): New.
17148 * src/vcg.h: Add new prototypes.
17150 2001-08-27 Akim Demaille <akim@epita.fr>
17152 * Makefile.maint: Sync. again with CVS Autoconf.
17154 2001-08-27 Akim Demaille <akim@epita.fr>
17156 * Makefile.maint: Formatting changes.
17157 (po-update, cvs-update, update): New targets.
17160 2001-08-27 Akim Demaille <akim@epita.fr>
17162 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
17163 * Makefile.maint: Sync. with CVS Autoconf.
17165 2001-08-27 Marc Autret <autret_m@epita.fr>
17167 * src/vcg.h (struct infoname_s): New.
17168 (struct colorentry_s): New.
17169 (graph_s): New fields {vertical,horizontal}_order in structure.
17170 Add `infoname' field.
17171 Add `colorentry' field;
17172 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
17173 (G_HORIZONTAL_ORDER): New.
17175 (G_COLORENTRY): New.
17176 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
17177 Add output of `infoname'.
17178 Add output of `colorentry'.
17180 2001-08-27 Marc Autret <autret_m@epita.fr>
17182 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
17183 This one shadowed a global parameter.
17185 2001-08-24 Marc Autret <autret_m@epita.fr>
17187 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
17188 instead of `unsigned'.
17189 (print_state): Do not call obstack_object_size () in obstack_grow ()
17190 to avoid macro variables shadowing.
17192 2001-08-23 Marc Autret <autret_m@epita.fr>
17194 * src/lex.c (percent_table): Typo: s/naem/name/.
17196 Normalize new options declarations.
17198 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
17200 * tests/suite.at: Exercise %header_extension and %source_extension.
17202 2001-08-16 Marc Autret <autret_m@epita.fr>
17204 * src/reader.c (parse_dquoted_param): New.
17205 (parse_header_extension_decl): Use it.
17206 (parse_source_extension_decl): Likewise.
17208 2001-08-16 Marc Autret <autret_m@epita.fr>
17210 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
17211 (get_xxxx_str): Use assert () instead of complain ().
17212 Remove return invokations in default cases.
17213 (get_decision_str): Modify default behaviour. Remove second argument.
17214 Echo modifications on calls.
17215 (output_graph): Fix.
17217 2001-08-16 Marc Autret <autret_m@epita.fr>
17219 * src/getargs.c (usage): Update with ``-g, --graph''.
17221 2001-08-16 Marc Autret <autret_m@epita.fr>
17223 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
17224 (Option Cross Key): Likewise.
17225 * doc/bison.1: Update.
17227 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
17229 * src/output.c (output_master_parser): Don't finish action_obstack.
17230 (output_parser): Don't care about the muscle action, here.
17231 (prepare): Copy the action_obstack in the action muscle.
17232 (output): Free action_obstack.
17234 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
17236 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
17237 will contain `%union' declaration.
17238 (parse_union_decl): Delete #line directive output.
17239 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
17240 informations about %union.
17241 (parse_union_decl): Copy the union_obstack in the muscle stype.
17242 * src/bison.simple: Add new #line directive.
17243 Add typdef %%stype YYSTYPE.
17245 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
17247 * src/bison.simple: Add new `#line' directive.
17249 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
17251 * src/bison.simple: New `#line' directive.
17252 * src/output.c (output_parser): Support new dynamic muscle input_line.
17254 2001-09-22 Marc Autret <autret_m@epita.fr>
17256 * src/output.c (output_master_parser): New.
17257 (output_parser): Be more re-entrant.
17259 2001-09-21 Marc Autret <autret_m@epita.fr>
17261 * src/reader.c (copy_definition, parse_union_decl): Update and use
17263 (copy_action): Likewise.
17264 Use obstack_1grow ().
17265 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
17267 2001-09-21 Marc Autret <autret_m@epita.fr>
17269 * src/options.c (option_table): Adjust.
17270 * src/lex.c (parse_percent_token): Fix.
17272 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
17274 * src/options.c (symtab.h): Include it, need by lex.h.
17276 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
17278 * src/lex.c (parse_percent_token): Change type of variable `tx', which
17279 is now an option_table_struct*.
17280 (option_strcmp): New function option_strcmp.
17281 (parse_percent_token): Call option_strcmp.
17282 * src/getargs.c (xalloc.h, options.h): Include it.
17283 (getargs): Call create_long_option_table.
17284 (getargs): Free longopts at the end of the function.
17285 (shortopts): Move in options.c.
17286 * src/options.c (create_long_option_table): New function. Convert
17287 information from option_table to option structure.
17288 * src/reader.c (options.h): Include it.
17290 * src/Makefile.am: Adjust.
17291 * src/options.c (option_table): Create from longopts and percent_table.
17292 * src/getargs.c (longopts): Delete.
17293 * src/lex.c (struct percent_table_struct): Delete.
17294 (percent_table): Delete.
17295 (options.h): Include it.
17296 * src/options.c: Create.
17297 * src/options.h: Create.
17298 Declare enum opt_access_e.
17299 Define struct option_table_struct.
17301 2001-09-20 Marc Autret <autret_m@epita.fr>
17303 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
17306 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
17308 * src/bison.simple: s/%%filename/%%skeleton.
17309 * src/muscle_tab.c (getargs.h): Include it.
17310 (muscle_init): Insert new muscle skeleton.
17312 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
17314 * src/output.c (output_parser): Delete unused variable actions_dumped.
17316 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
17318 * src/output.c (output): Delete call to reader_output_yylsp.
17319 * src/reader.c (reader): Likewise.
17320 * src/reader.h: Delete declaration of reader_output_yylsp.
17322 2001-09-02 Marc Autret <autret_m@epita.fr>
17324 * src/reader.c: Include muscle_tab.h.
17325 (parse_union_decl): Update.
17326 (parse_macro_decl): Rename parse_muscle_decl.
17327 Update to use renamed functions and variable.
17328 (read_declarations, copy_action, read_additionnal_code, : Updated
17329 with correct variables and functions names.
17330 (packsymbols, reader): Likewise.
17332 * src/reader.h (muscle_obstack): Extern declaration update.
17334 * src/output.c: Include muscle_tab.h
17335 In all functions using macro_insert, change by using muscle_insert ().
17336 (macro_obstack): Rename muscle_obstack.
17337 Echo modifications in the whole file.
17338 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
17339 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
17340 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
17342 * src/muscle_tab.h: Update double inclusion macros.
17343 (macro_entry_s): Rename muscle_entry_s.
17346 * src/muscle_tab.c: Include muscle_tab.h.
17347 Rename macro_tabble to muscle_table.
17348 (mhash1, mhash2, mcmp): Use muscle_entry.
17349 (macro_init): Rename muscle_init. Update.
17350 (macro_insert): Rename muscle_insert. Update.
17351 (macro_find): Rename muscle_find. Update.
17353 * src/main.c: Include muscle_tab.h.
17354 (main): Call muscle_init ().
17355 * src/Makefile.am (bison_SOURCES): Echo modifications.
17357 2001-09-02 Marc Autret <autret_m@epita.fr>
17359 Now the files macro_tab.[ch] are named muscle_tab.[ch].
17361 * src/muscle_tab.c, src/muscle_tab.h: Add files.
17363 2001-09-02 Marc Autret <autret_m@epita.fr>
17365 * src/macrotab.c, src/macrotab.h: Remove.
17367 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
17369 * src/reader.c (copy_guard): Use muscle to specify the `#line'
17372 2001-09-01 Marc Autret <autret_m@epita.fr>
17374 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
17375 to an explicit value to activate the feature. We do it here.
17377 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
17379 * src/output.c (prepare): Delete the `filename' muscule insertion.
17380 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
17381 (parse_union_decl): Likewise.
17382 * src/macrotab.c (macro_init): Initialize filename by infile.
17384 2001-08-31 Marc Autret <autret_m@epita.fr>
17386 * src/bison.simple (YYLSP_NEEDED): New definition.
17387 * src/output.c (prepare): Add macro insertion of `locations_flag'
17389 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
17391 * src/output.c (prepare): Delete insertion of previous muscles,
17392 and insert the `prefix' muscles.
17393 * src/macrotab.c (macro_init): Likewise.
17394 (macro_init): Initialization prefix directive by `yy'.
17395 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
17396 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
17397 yylval, yydebug, yyerror, yynerrs and yyparse.
17398 New directive `#define' to substitute yydebug, ... with option
17401 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
17403 * src/main.c (main): Standardize.
17404 * src/output.c (output_table_data, output_parser): Likewise.
17405 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
17407 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
17409 * src/reader.c (read_additionnal_code): Rename %%user_code to
17411 * src/output.c (output): Rename %%declarations to %%prologue.
17412 * src/bison.simple: Echo modifications.
17414 2001-08-31 Marc Autret <autret_m@epita.fr>
17416 * src/reader.c (readgram): CleanUp.
17417 (output_token_defines): Likewise.
17418 (packsymbols): Likewise.
17419 (reader): Likewise.
17420 * src/output.c (output): CPP-out useless code.
17422 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
17424 * src/reader.c (reader): Delete obsolete call to function
17425 output_trailers and output_headers.
17426 * src/output.h: Remove obsolete functions prototypes of output_headers
17427 and output_trailers.
17429 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
17431 * src/main.c: Include macrotab.h.
17432 * src/macrotab.h (macro_entry_s): Constify fields.
17433 Adjust functions prototypes.
17434 * src/macrotab.c (macro_insert): Constify key and value.
17435 (macro_find): Constify key.
17436 (macro_insert): Include 'xalloc.h'
17437 (macro_insert): Use XMALLOC.
17438 (macro_find): Constify return value.
17439 * src/output.c (output_table_data): Rename table to table_data.
17440 (output_parser): Constify macro_key, macro_value.
17442 2001-08-30 Marc Autret <autret_m@epita.fr>
17444 * src/reader.c (parse_skel_decl): New.
17445 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
17446 * src/lex.h (token_t): New token `tok_skel'.
17447 * src/lex.c (percent_table): Add skeleton option entry.
17450 2001-08-29 Marc Autret <autret_m@epita.fr>
17452 * src/bison.simple: Add %%user_code directive at the end.
17453 * src/reader.c (read_additionnal_code): New.
17455 * src/output.c (output_program): Remove.
17458 2001-08-28 Marc Autret <autret_m@epita.fr>
17460 * src/output.c (output_actions): Clean up.
17461 (output_gram): CPP-out useless code.
17462 * src/reader.c (reader): Clean up, CPP-out useless code.
17464 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
17466 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
17468 * src/bison.simple: Add `%%definitions'.
17470 2001-08-28 Marc Autret <autret_m@epita.fr>
17472 * config/depcomp: New file.
17474 2001-08-27 Paul Eggert <eggert@twinsun.com>
17476 * src/bison.simple (yyparse): Don't take the address of an
17477 item before the start of an array, as that doesn't conform to
17480 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
17482 * src/output.c (output): Remove the initialization of the macro
17483 obstack. It was done too late here.
17485 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
17487 (reader): Initialize the macro obstack here, since we need it to grow
17488 '%define' directives.
17490 * src/reader.h: Declare the macro obstack as extern.
17492 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
17494 * src/output.c (output_parser): Fix. Store single '%' characters in
17495 the output obstack instead of throwing them away.
17497 2001-08-27 Akim Demaille <akim@epita.fr>
17499 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
17501 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17503 * lib/Makefile.am: Adjust.
17505 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17507 * src/bison.simple: Update and add '%%' directives.
17509 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17511 * src/reader.c (reader): Remove calls to 'output_headers' and
17512 'output_trailers'. Remove some C output.
17513 (readgram): Disable a piece of code that was writing a default
17514 definition for 'YYSTYPE'.
17515 (reader_output_yylsp): Remove.
17516 (packsymbols): Output token defintions to a macro.
17517 (copy_definition): Disable C output.
17519 * src/reader.c (parse_macro_decl): New function used to parse macro
17521 (copy_string2): Put the body of copy_string into this new function.
17522 Add a parameter to let the caller choose whether he wants to copy the
17523 string delimiters or not.
17524 (copy_string): Be a simple call to copy_string2 with the last argument
17526 (read_declarations): Add case for macro definition.
17527 (copy_identifier): New.
17528 (parse_macro_decl): Read macro identifiers using copy_identifier
17531 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17533 * src/output.c (prepare): Add prefixed names.
17534 (output_parser): Output semantic actions.
17535 (output_parser): Fix bug on '%%line' directives.
17537 * src/output.c (output_headers): Remove. The C code printed by this
17538 function should now be in the skeletons.
17539 (output_trailers): Remove.
17540 (output): Disable call to 'reader_output_yylsp'.
17541 (output_rule_data): Do not output tables to the table obstack.
17543 * src/output.c: Remove some C dedicated output.
17544 Improve the use of macro and output obstacks.
17545 (output_defines): Remove.
17547 * src/output.c (output_token_translations): Associate 'translate'
17548 table with a macro. No output to the table obstack.
17549 (output_gram): Same for 'rhs' and 'prhs'.
17550 (output_stos): Same for 'stos'.
17551 (output_rule_data): Same for 'r1' and 'r2'.
17552 (token_actions): Same for 'defact'.
17553 (goto_actions): Same for 'defgoto'.
17554 (output_base): Same for 'pact' and 'pgoto'.
17555 (output_table): Same for 'table'.
17556 (output_check): Same for 'check'.
17558 * src/output.c (output_table_data): New function.
17559 (output_short_table): Remove.
17560 (output_short_or_char_table): Remove.
17562 * src/output.c (output_parser): Replace most of the skeleton copy code
17563 with something new. Skeletons are now processed character by character
17564 rather than line by line, and Bison looks for '%%' macros. This is the
17565 first step in making Bison's output process (a lot) more flexible.
17566 (output_parser): Use the macro table.
17568 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17570 * src/main.c (main): Initialize the macro table.
17572 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17574 * src/lex.c (percent_table): Add tok_define.
17575 * src/lex.h: Add tok_define.
17577 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17579 * src/macrotab.c: New file.
17580 * src/macrotab.h: New file.
17581 * src/Makefile.am: Update.
17583 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17585 * lib/hash.c: New file.
17586 * lib/hash.h: New file.
17587 * lib/Makefile.am: Update.
17589 2001-08-15 Akim Demaille <akim@epita.fr>
17593 2001-08-15 Marc Autret <autret_m@epita.fr>
17595 * src/reader.c (readgram): Indent output macro YYSTYPE.
17596 (packsymbols): Likewise.
17597 (output_token_defines): Likewise.
17598 * src/files.c: Standardize.
17599 (compute_header_macro): New.
17600 (defines_obstack_save): New. Use compute_header_macro.
17601 (output_files): Update. Use defines_obstack_save.
17603 2001-08-15 Akim Demaille <akim@epita.fr>
17605 * doc/bison.texinfo (Table of Symbols): Document
17606 YYSTACK_USE_ALLOCA.
17608 2001-08-15 Akim Demaille <akim@epita.fr>
17610 * missing: Update from CVS Automake.
17611 * config/config.guess, config/config.sub, config/texinfo.tex:
17612 Update from gnu.org.
17614 2001-08-15 Akim Demaille <akim@epita.fr>
17616 * Makefile.maint: Sync with CVS Autoconf.
17618 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
17620 * doc/bison.texinfo: Include GNU Free Documentation License from
17622 * doc/fdl.texi: Add to package.
17624 2001-08-14 Marc Autret <autret_m@epita.fr>
17626 Turn on %{source,header}_extension features.
17628 * src/lex.c (percent_table): Un-CPP out header_extension and
17630 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
17631 (compute_exts_from_src): Remove conditions. It restores priorities
17634 2001-08-14 Marc Autret <autret_m@epita.fr>
17636 * src/files.c (compute_base_names): Add extensions computing when
17637 `--file-prefix' used.
17638 Standardize function calls.
17640 2001-08-13 Marc Autret <autret_m@epita.fr>
17642 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
17643 defining it (defined but null disables alloca).
17645 2001-08-13 Marc Autret <autret_m@epita.fr>
17647 * src/bison.simple (_yy_memcpy): CPP reformat.
17649 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
17651 * tests/atconfig.in (CPPFLAGS): Fix.
17653 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
17655 * doc/bison.texinfo: Include GNU General Public License from
17657 * doc/gpl.texi: Add to package.
17659 2001-08-10 Marc Autret <autret_m@epita.fr>
17661 * src/print_graph.h: Fix.
17662 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
17664 2001-08-10 Akim Demaille <akim@epita.fr>
17666 * src/system.h: Provide default declarations for stpcpy, strndup,
17669 2001-08-10 Robert Anisko <anisko_r@epita.fr>
17671 * doc/bison.texinfo (Locations): Update @$ stuff.
17673 2001-08-09 Robert Anisko <anisko_r@epita.fr>
17675 * src/bison.simple (YYLLOC_DEFAULT): Update.
17678 2001-08-08 Marc Autret <autret_m@epita.fr>
17680 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
17681 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
17682 Reported by Fabrice Bauzac.
17684 2001-08-08 Marc Autret <autret_m@epita.fr>
17686 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
17687 * src/vcg.c (output_node): Fix.
17688 * src/vcg.h: Cleanup.
17689 * src/print_graph.c: Add comments.
17690 (node_output_size): New global variable. Simplify the formatting of
17691 the VCG graph output.
17692 (print_actions): Unused code is now used. It notifies the final state
17693 and no action states in the VCG graph. It also give the reduce actions.
17694 The `shift and goto' edges are red and the `go to state' edges are
17696 Get the current node name and node_obstack by argument.
17697 (node_obstack): New variable.
17698 (print_state): Manage node_obstack.
17699 (print_core): Use node_obstack given by argument.
17700 A node is not only computed here but in print_actions also.
17701 (print_graph): CPP out useless code instead of commenting it.
17703 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
17705 * tests/atconfig.in (CPPFLAGS): Fix.
17707 2001-08-07 Akim Demaille <akim@epita.fr>
17709 * src/print_graph.c (quote): New.
17710 (print_core): Use it.
17712 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
17714 * src/vcg.c (complain.h): Include it.
17715 Unepitaize `return' invocations.
17716 [NDEBUG] (main): Remove.
17717 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
17718 * src/files.c (open_files): Initialize graph_obstack.
17719 * src/print_graph.c (print_actions): CPP out useless code.
17720 (print_core): Don't output the last `\n' in labels.
17722 * src/files.c (output_files): Output the VCG file.
17723 * src/main.c (main): Invoke print_graph ();
17725 2001-08-06 Marc Autret <autret_m@epita.fr>
17727 Automaton VCG graph output.
17728 Using option ``-g'' or long option ``--graph'', you can generate
17729 a gram_filename.vcg file containing a VCG description of the LALR (1)
17730 automaton of your grammar.
17732 * src/main.c: Call to print_graph() function.
17733 * src/getargs.h: Update.
17734 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
17735 (graph_flag): New flag.
17736 (longopts): Update.
17737 (getargs): Add case `g'.
17738 * src/files.c (graph_obstack): New obstack struct.
17739 (open_files): Initialize new obstack.
17740 (output_files): Saves graph_obstack if required.
17741 * src/files.h (graph_obstack): New extern declaration.
17742 * src/Makefile.am: Add new source files.
17744 2001-08-06 Marc Autret <autret_m@epita.fr>
17746 * src/print_graph.c, src/print_graph.h (graph): New.
17747 * src/vcg.h: New file.
17748 * src/vcg.c: New file, VCG graph handling.
17750 2001-08-06 Marc Autret <autret_m@epita.fr>
17752 Add of %source_extension and %header_extension which specify
17753 the source or/and the header output file extension.
17755 * src/files.c (compute_base_names): Remove initialisation of
17756 src_extension and header_extension.
17757 (compute_exts_from_gf): Update.
17758 (compute_exts_from_src): Update.
17759 (output_files): Update.
17760 * src/reader.c (parse_header_extension_decl): New.
17761 (parse_source_extension_decl): New.
17762 (read_declarations): New case statements for the new tokens.
17763 * src/lex.c (percent_table): Add entries for %source_extension
17764 and %header_extension.
17765 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
17767 2001-08-06 Marc Autret <autret_m@epita.fr>
17769 * configure.in: Bump to 1.28c.
17770 * doc/bison.texinfo: Texinfo thingies.
17772 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
17774 * tests/atconfig.in (CPPFLAGS): Add.
17775 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
17777 2001-08-03 Akim Demaille <akim@epita.fr>
17781 2001-08-03 Akim Demaille <akim@epita.fr>
17783 * tests/Makefile.am (check-local): Ship testsuite.
17784 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
17785 Include `string.h'.
17787 2001-08-03 Akim Demaille <akim@epita.fr>
17789 * configure.in: Try using -Wformat when compiling.
17791 2001-08-03 Akim Demaille <akim@epita.fr>
17793 * configure.in: Bump to 1.28b.
17795 2001-08-03 Akim Demaille <akim@epita.fr>
17797 * src/complain.c: Adjust strerror_r portability issues.
17799 2001-08-03 Akim Demaille <akim@epita.fr>
17803 2001-08-03 Akim Demaille <akim@epita.fr>
17805 * src/getargs.c, src/getarg.h (skeleton)): Constify.
17806 * src/lex.c (literalchar): Avoid name clashes on `buf'.
17807 * src/getargs.c: Include complain.h.
17808 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
17809 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
17811 2001-08-03 Akim Demaille <akim@epita.fr>
17813 * src/reader.c (readgram): Display hidden chars in error messages.
17815 2001-08-03 Akim Demaille <akim@epita.fr>
17817 Update to gettext 0.10.39.
17819 2001-08-03 Akim Demaille <akim@epita.fr>
17821 * lib/strspn.c: New.
17823 2001-08-01 Marc Autret <autret_m@epita.fr>
17825 * doc/bison.texinfo: Update.
17826 * doc/bison.1 (mandoc): Update.
17827 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
17828 * src/files.c: Support output files extensions computing.
17829 (src_extension): New static variable.
17830 (header_extension): New static variable.
17831 (tr): New function.
17832 (get_extension_index): New function, gets the index of an extension
17833 filename in a string.
17834 (compute_exts_from_gf): New function, computes extensions from the
17835 grammar file extension.
17836 (compute_exts_from_src): New functions, computes extensions from the
17837 C source file extension, file given by ``-o'' option.
17838 (compute_base_names): Update.
17839 (output_files): Update.
17841 2001-08-01 Robert Anisko <anisko_r@epita.fr>
17843 * doc/bison.texi: Document @$.
17844 (Locations): New section.
17846 2001-07-18 Akim Demaille <akim@epita.fr>
17848 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
17849 * config/prev-version.txt, config/move-if-change: New.
17850 * Makefile.am: Adjust.
17852 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
17854 * src/bison.simple (yyparse): Suppress warning `comparaison
17855 between signed and unsigned'.
17857 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
17859 * src/getargs.h (raw_flag): Remove.
17860 * src/getargs.c: Die on `-r'/`--raw'.
17861 * src/lex.c (parse_percent_token): Die on `%raw'.
17862 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
17863 * tests/calc.at: Suppress test with option `--raw'.
17865 2001-07-14 Akim Demaille <akim@epita.fr>
17868 * configure.in: Require Autoconf 2.50.
17869 Update to gettext 0.10.38.
17871 2001-03-16 Akim Demaille <akim@epita.fr>
17873 * doc/bison.texinfo: ANSIfy the examples.
17875 2001-03-16 Akim Demaille <akim@epita.fr>
17877 * getargs.c (skeleton): New variable.
17878 (longopts): --skeleton is a new option.
17879 (shortopts, getargs): -S is a new option.
17880 * getargs.h: Declare skeleton.
17881 * output.c (output_parser): Use it.
17883 2001-03-16 Akim Demaille <akim@epita.fr>
17885 * m4/strerror_r.m4: New.
17886 * m4/error.m4: Run AC_FUNC_STRERROR_R.
17887 * lib/error.h, lib/error.c: Update.
17889 2001-03-16 Akim Demaille <akim@epita.fr>
17891 * src/getargs.c (longopts): Clean up.
17893 2001-02-21 Akim Demaille <akim@epita.fr>
17895 * src/reader.c (gensym): `gensym_count' is your own.
17896 Use a static buf to create the symbol name, as token_buffer is no
17899 2001-02-08 Akim Demaille <akim@epita.fr>
17901 * src/conflicts.c (conflict_report): Be sure not to append to res
17902 between two calls, which could happen if both first sprintf were
17903 skipped, but not the first cp += strlen.
17905 2001-02-08 Akim Demaille <akim@epita.fr>
17907 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
17908 New, from fileutils 4.0.37.
17909 * configure.in: Require Autoconf 2.49c. I took some time before
17910 making this decision. This is the only way out for portability
17911 issues in Bison, it would mean way too much duplicate effort to
17912 import in Bison features implemented in 2.49c since 2.13.
17913 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
17915 2001-02-02 Akim Demaille <akim@epita.fr>
17917 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
17918 * lib/xalloc.h, lib/xmalloc.c: Update.
17920 2001-01-19 Akim Demaille <akim@epita.fr>
17922 Get rid of the ad hoc handling of token_buffer in the scanner: use
17925 * src/lex.c (token_obstack): New.
17926 (init_lex): Initialize it. No longer call...
17927 (grow_token_buffer): this. Remove it.
17928 Adjust all the places which used it to use the obstack.
17930 2001-01-19 Akim Demaille <akim@epita.fr>
17932 * src/lex.h: Rename all the tokens:
17933 s/\bENDFILE\b/tok_eof/g;
17934 s/\bIDENTIFIER\b/tok_identifier/g;
17936 Let them be enums, not #define, to ease debugging.
17937 Adjust all the code.
17939 2001-01-18 Akim Demaille <akim@epita.fr>
17941 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
17942 * src/lex.c (maxtoken, grow_token_buffer): Static.
17944 2001-01-18 Akim Demaille <akim@epita.fr>
17946 Since we now use obstacks, more % directives can be enabled.
17948 * src/lex.c (percent_table): Also accept `%yacc',
17949 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
17951 Handle the actions for `%semantic_parser' and `%pure_parser' here,
17952 instead of returning a token.
17953 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
17954 * src/reader.c (read_declarations): Adjust.
17955 * src/files.c (open_files): Don't call `compute_base_names', don't
17956 compute `attrsfile' since they depend upon data which might be
17957 *in* the input file now.
17958 (output_files): Do it here.
17959 * src/output.c (output_headers): Document the fact that this patch
17960 introduces a guaranteed SEGV for semantic parsers.
17961 * doc/bison.texinfo: Document them.
17962 * tests/suite.at: Exercise these %options.
17964 2000-12-20 Akim Demaille <akim@epita.fr>
17966 Also handle the output file (--verbose) with obstacks.
17968 * files.c (foutput): Remove.
17969 (output_obstack): New.
17970 Adjust all dependencies.
17971 * src/conflicts.c: Return a string.
17972 * src/system.h (obstack_grow_string): Rename as...
17973 (obstack_sgrow): this. Be ready to work with non literals.
17974 (obstack_fgrow4): New.
17976 2000-12-20 Akim Demaille <akim@epita.fr>
17978 * src/files.c (open_files): Fix the computation of short_base_name
17979 in the case of `-o foo.tab.c'.
17981 2000-12-20 Akim Demaille <akim@epita.fr>
17983 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
17984 (copy_dollar): Now that everything uses obstacks, get rid of the
17987 2000-12-20 Akim Demaille <akim@epita.fr>
17989 * src/files.c (open_files): Actually the `.output' file is based
17990 on the short_base_name, not base_name.
17991 * tests/suite.at (Checking output file names): Adjust.
17993 2000-12-20 Akim Demaille <akim@epita.fr>
17995 * src/bison.s1: Remove, we now use directly...
17996 * src/bison.simple: this.
17997 * src/Makefile.am: Use pkgdata instead of data.
17999 2000-12-20 Akim Demaille <akim@epita.fr>
18001 * src/files.c (guard_obstack): New.
18002 (open_files): Initialize it.
18003 (output_files): Dump it...
18004 * src/files.h: Export it.
18005 * src/reader.c (copy_guard): Use it.
18007 2000-12-19 Akim Demaille <akim@epita.fr>
18009 * src/files.c (outfile, defsfile, actfile): Removed as global
18011 (open_files): Don't compute them.
18012 (output_files): Adjust.
18013 (base_name, short_base_name): Be global.
18014 Adjust dependencies.
18016 2000-12-19 Akim Demaille <akim@epita.fr>
18018 * src/files.c (strsuffix): New.
18019 (stringappend): Be just like strcat but allocate.
18020 (base_names): Eve out from open_files.
18021 Try to simplify the rather hairy computation of base_name and
18023 (open_files): Use it.
18024 * tests/suite.at (Checking output file names): New test.
18026 2000-12-19 Akim Demaille <akim@epita.fr>
18028 * src/system.h (obstack_grow_literal_string): Rename as...
18029 (obstack_grow_string): this.
18030 * src/output.c (output_parser): Recognize `%% actions' instead of
18032 * src/bison.s1: s/$/%% actions/.
18033 * src/bison.hairy: Likewise.
18035 2000-12-19 Akim Demaille <akim@epita.fr>
18037 * src/output.c (output_parser): Compute the `#line' lines when
18039 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
18040 Suggested by Hans Aberg.
18042 2000-12-19 Akim Demaille <akim@epita.fr>
18044 Let the handling of the skeleton files be local to the procedures
18047 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
18049 (fparser, open_extra_files): Remove.
18050 (open_files, output_files): Don't take care of fparser.
18051 * src/files.h: Adjust.
18052 * src/output.c (output_parser): Open and close the file to the
18054 * src/reader.c (read_declarations): When %semantic_parser, open
18057 2000-12-19 Akim Demaille <akim@epita.fr>
18059 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
18060 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
18062 2000-12-19 Akim Demaille <akim@epita.fr>
18064 * src/files.c (open_files): Yipee! We no longer need all the code
18065 looking for `/tmp' since we have no tmp file.
18067 2000-12-19 Akim Demaille <akim@epita.fr>
18069 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
18071 * src/files.c (open_files): Less dependency on MSDOS etc.
18073 2000-12-14 Akim Demaille <akim@epita.fr>
18075 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
18076 Provide a default definition.
18077 Use it when executing the default @ action.
18078 * src/reader.c (reader_output_yylsp): No longer include
18079 `timestamp' and `text' in the default YYLTYPE.
18081 2000-12-12 Akim Demaille <akim@epita.fr>
18083 * src/reader.c (copy_definition, parse_union_decl, copy_action)
18084 (copy_guard): Quote the file names.
18085 Reported by Laurent Mascherpa.
18087 2000-12-12 Akim Demaille <akim@epita.fr>
18089 * src/output.c (output_headers, output_program, output): Be sure
18090 to escape special characters when outputting filenames.
18091 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
18092 (output_headers): Don't depend on them, Use ACTSTR.
18094 2000-11-17 Akim Demaille <akim@epita.fr>
18096 * lib/obstack.h: Formatting changes.
18097 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
18098 prevents type checking.
18099 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
18100 cast the value to (void *): assigning a `foo *' to a `void *'
18102 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
18103 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
18106 2000-11-17 Akim Demaille <akim@epita.fr>
18108 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
18110 (suite.m4, regression.m4, calc.m4): these.
18111 * tests/atgeneral.m4: Update from CVS Autoconf.
18113 2000-11-17 Akim Demaille <akim@epita.fr>
18115 * tests/regression.m4 (%union and --defines): New test,
18116 demonstrating a current bug in the obstack implementation.
18118 2000-11-17 Akim Demaille <akim@epita.fr>
18120 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
18122 Use them to declare the variables which are global or local to
18125 2000-11-17 Akim Demaille <akim@epita.fr>
18127 * acconfig.h: Remove, no longer used.
18129 2000-11-07 Akim Demaille <akim@epita.fr>
18131 * src: s/Copyright (C)/Copyright/g.
18133 2000-11-07 Akim Demaille <akim@epita.fr>
18135 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
18137 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
18139 2000-11-07 Akim Demaille <akim@epita.fr>
18141 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
18142 Merge in a single CPP if/else.
18144 2000-11-07 Akim Demaille <akim@epita.fr>
18146 * src/output.c (output): Remove useless variables.
18147 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
18148 argument `data' for consistency with the prototypes.
18149 Qualify it `const'.
18150 (obstack_copy, obstack_copy0): Rename the second argument as
18151 `address' for consistency. Qualify it `const'.
18152 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
18153 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
18154 `const' their input argument (`data' or `address').
18155 Adjust the corresponding macros to include `const' in casts.
18157 2000-11-03 Akim Demaille <akim@epita.fr>
18159 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
18160 s/PFILE1/BISON_HAIRY/.
18161 Adjust dependencies.
18163 2000-11-03 Akim Demaille <akim@epita.fr>
18165 For some reason, this was not applied.
18167 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
18168 `unlink': it's no longer used.
18170 2000-11-03 Akim Demaille <akim@epita.fr>
18172 * src/files.c (skeleton_find): New function, eved out of...
18173 (open_files, open_extra_files): here.
18175 2000-11-03 Akim Demaille <akim@epita.fr>
18177 Don't use `atexit'.
18179 * src/files.c (obstack_save): New function.
18180 (done): Rename as...
18181 (output_files): this.
18182 Use `obstack_save'.
18183 * src/main.c (main): Don't use `atexit' to register `done', since
18184 it no longer has to remove tmp files, just call `output_files'
18185 when there are no errors.
18187 2000-11-02 Akim Demaille <akim@epita.fr>
18189 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
18190 `unlink': it's no longer used.
18191 * src/files.h: Formatting changes.
18193 2000-11-02 Akim Demaille <akim@epita.fr>
18195 Remove the last uses of mktemp and unlink/delete.
18197 * src/files.c (fdefines, ftable): Removed.
18198 (defines_ostack, table_obstack): New.
18199 Adjust dependencies of the former into uses of the latter.
18200 * src/output.c (output_short_or_char_table, output_short_table):
18201 Convert to using obstacks.
18202 * src/reader.c (copy_comment2): Accept one FILE * and two
18204 (output_token_defines, reader_output_yylsp): Use obstacks.
18205 * src/system.h (obstack_fgrow3): New.
18206 * po/POTFILES.in: Adjust.
18208 2000-11-01 Akim Demaille <akim@epita.fr>
18210 Change each use of `fattrs' into a use of `attrs_obstack'.
18212 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
18213 * src/files.c (fattrs): Remove.
18214 (attrs_obstack): New.
18215 Adjust all dependencies.
18216 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
18218 2000-11-01 Akim Demaille <akim@epita.fr>
18220 Introduce obstacks.
18221 Change each use of `faction' into a use of `action_obstack'.
18223 * lib/obstack.h, lib/obstack.c: New files.
18224 * src/files.c (faction): Remove.
18225 (action_obstack): New.
18226 Adjust all dependencies.
18228 2000-10-20 Akim Demaille <akim@epita.fr>
18230 * lib/quote.h (PARAMS): New macro. Use it.
18232 2000-10-16 Akim Demaille <akim@epita.fr>
18234 * src/output.c (output_short_or_char_table): New function.
18235 (output_short_table, output_token_translations): Use it.
18236 (goto_actions): Use output_short_table.
18238 2000-10-16 Akim Demaille <akim@epita.fr>
18240 * src/symtab.c (bucket_new): New function.
18243 * src/output.c (output_short_table): New argument to display the
18244 comment associated with the table.
18245 Adjust dependencies.
18246 (output_gram): Use it.
18247 (output_rule_data): Nicer output layout for YYTNAME.
18249 2000-10-16 Akim Demaille <akim@epita.fr>
18251 * src/lex.c (read_typename): New function.
18253 * src/reader.c (copy_dollar): Likewise.
18255 2000-10-16 Akim Demaille <akim@epita.fr>
18257 * src/reader.c (copy_comment2): Expect the input stream to be on
18258 the `/' which is suspected to open a comment, instead of being
18259 called after `//' or `/*' was read.
18260 (copy_comment, copy_definition, parse_union_decl, copy_action)
18261 (copy_guard): Adjust.
18263 2000-10-16 Akim Demaille <akim@epita.fr>
18265 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
18266 `read_signed_integer'.
18268 2000-10-16 Akim Demaille <akim@epita.fr>
18270 * src/reader.c (copy_dollar): New function.
18271 (copy_guard, copy_action): Use it.
18273 2000-10-16 Akim Demaille <akim@epita.fr>
18275 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
18276 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
18277 New files, from Fileutils 4.0.27.
18278 * src/main.c (printable_version): Remove.
18279 * src/lex.c, src/reader.c: Use `quote'.
18281 2000-10-04 Akim Demaille <akim@epita.fr>
18283 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
18285 2000-10-04 Akim Demaille <akim@epita.fr>
18287 * doc/bison.texinfo: Various typos spotted by Neil Booth.
18289 2000-10-04 Akim Demaille <akim@epita.fr>
18291 When a literal string is used to define two different tokens,
18292 `bison -v' segfaults.
18293 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
18295 * tests/regression.m4: New file.
18296 Include the core of the sample provided by Piotr Gackiewicz.
18297 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
18300 2000-10-04 Akim Demaille <akim@epita.fr>
18302 * src/reader.c (parse_expect_decl): Keep `count' within the size
18306 2000-10-02 Paul Eggert <eggert@twinsun.com>
18308 * bison.s1 (yyparse): Assign the default value
18309 unconditionally, to avoid a GCC warning and make the parser a
18312 2000-10-02 Akim Demaille <akim@epita.fr>
18314 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
18317 2000-10-02 Akim Demaille <akim@epita.fr>
18319 * src/derives.c, src/print.c, src/reduce.c: To ease the
18320 translation, move some `\n' out of the translated strings.
18322 2000-10-02 Akim Demaille <akim@epita.fr>
18324 The location tracking mechanism is precious for parse error
18325 messages. Nevertheless, it is enabled only when `@n' is used in
18326 the grammar, which is a different issue (you can use it in error
18327 message, but not in the grammar per se). Therefore, there should
18328 be another means to enable it.
18330 * src/getargs.c (getargs): Support `--locations'.
18331 (usage): Report it.
18332 * src/getargs.h (locationsflag): Export it.
18333 * src/lex.c (percent_table): Support `%locations'.
18334 * src/reader.c (yylsp_needed): Remove this variable, now replaced
18335 with `locationsflag'.
18336 * doc/bison.texinfo: Document `--locations' and `%locations'.
18338 * tests/calc.m4: Test it.
18340 For regularity of the names, replace each
18341 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
18342 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
18343 In addition replace each `flag' with `_flag'.
18345 2000-10-02 Akim Demaille <akim@epita.fr>
18347 Also test parse error messages, including with YYERROR_VERBOSE.
18349 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
18351 Use it to check the computations.
18352 Use it to check `nonassoc' is honored.
18353 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
18354 `--yyerror-verbose'.
18355 (_AT_CHECK_CALC): Adjust to this option.
18356 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
18358 2000-10-02 Akim Demaille <akim@epita.fr>
18360 Test also `--verbose', `--defines' and `--name-prefix'. Testing
18361 the latter demonstrates a flaw in the handling of non debugging
18362 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
18363 was used in order to simplify:
18379 unfortunately this leads to a CPP conflict when
18380 `--name-prefix=foo' is used since it produces `#define yydebug
18383 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
18384 (YYDPRINTF): New macro.
18386 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
18388 Also test `--verbose', `--defines' and `--name-prefix'.
18390 2000-10-02 Akim Demaille <akim@epita.fr>
18392 Improve the readability of the produced parsers.
18394 * src/bison.s1: Formatting changes.
18395 Improve the comment related to the `$' mark.
18396 (yydefault): Don't fall through to `yyresume': `goto' there.
18397 * src/output.c (output_parser): When the `$' is met, skip the end
18399 New variable, `number_of_dollar_signs', to check there's exactly
18400 one `$' in the parser skeleton.
18402 2000-10-02 Akim Demaille <akim@epita.fr>
18404 * lib/xstrdup.c: New file, from the fileutils.
18405 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
18406 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
18407 instead of strlen + xmalloc + strcpy.
18408 * src/symtab.c (copys): Remove, use xstrdup instead.
18410 2000-10-02 Akim Demaille <akim@epita.fr>
18412 * src/gram.h (associativity): New enum type which replaces the
18413 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
18414 `right_assoc', `left_assoc' and `non_assoc'.
18415 Adjust all dependencies.
18416 * src/reader.c: Formatting changes.
18417 (LTYPESTR): Don't define it, use it as a literal in
18418 `reader_output_yylsp'.
18419 * src/symtab.h (symbol_class): New enum type which replaces the
18420 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
18421 `sunknown', `stoken and `snterm'.
18423 2000-10-02 Akim Demaille <akim@epita.fr>
18425 * src/getargs.c (fixed_outfiles): Rename as...
18426 (yaccflag): for consistency and accuracy.
18427 Adjust dependencies.
18429 2000-10-02 Akim Demaille <akim@epita.fr>
18431 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
18432 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
18433 difficult and introduced a lot of core dump. It turns out that
18434 Bison used an implementation of `xmalloc' based on `calloc', and
18435 at various places it does depend upon the initialization to 0. I
18436 have not tried to isolate the pertinent places, and all the former
18437 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
18438 someone should address this issue.
18440 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
18441 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
18443 Adjust dependencies.
18444 * src/warshall.h: New file.
18447 2000-10-02 Akim Demaille <akim@epita.fr>
18449 Various anti-`extern in *.c' changes.
18451 * src/system.h: Include `assert.h'.
18453 2000-10-02 Akim Demaille <akim@epita.fr>
18455 * src/state.h (nstates, final_state, first_state, first_shift)
18456 (first_reduction): Move their exportation from here...
18457 * src/LR0.h: to here.
18458 Adjust dependencies.
18459 * src/getargs.c (statisticsflag): New variable.
18460 Add support for `--statistics'.
18461 Adjust dependencies.
18463 Remove a lot of now useless `extern' statements in most files.
18465 2000-10-02 Akim Demaille <akim@epita.fr>
18467 * src/LR0.h: New file.
18470 2000-10-02 Akim Demaille <akim@epita.fr>
18472 * src/print.h: New file.
18474 * src/print.c: Formatting and ordering changes.
18475 (verbose, terse): Replace with...
18476 (print_results): this new function.
18477 Adjust dependencies.
18479 2000-10-02 Akim Demaille <akim@epita.fr>
18481 * src/conflicts.c (conflict_report): New function.
18482 (conflict_log, verbose_conflict_log): Replace with...
18483 (print_conflicts): this function.
18484 Adjust dependencies.
18485 * src/conflicts.h: New file.
18486 Propagate its inclusion.
18488 2000-10-02 Akim Demaille <akim@epita.fr>
18490 * src/nullable.h: New file.
18491 Propagate its inclusion.
18492 * src/nullable.c: Formatting changes.
18494 2000-10-02 Akim Demaille <akim@epita.fr>
18496 * src/reduce.h: New file.
18497 Propagate its inclusion.
18498 * src/reduce.c: Topological sort and other formatting changes.
18499 (bool, TRUE, FALSE): Move their definition to...
18500 * src/system.h: here.
18502 2000-10-02 Akim Demaille <akim@epita.fr>
18504 * src/files.c: Formatting changes.
18505 (tryopen, tryclose, openfiles): Rename as...
18506 (xfopen, xfclose, open_files): this.
18507 (stringappend): static.
18508 * src/files.h: Complete the list of exported symbols.
18511 2000-10-02 Akim Demaille <akim@epita.fr>
18513 * src/reader.h: New file.
18514 Propagate its use instead of tedious list of `extern' and
18516 * src/reader.c: Formatting changes, topological sort,
18519 2000-10-02 Akim Demaille <akim@epita.fr>
18521 * src/lex.h: Prototype `lex.c' exported functions.
18522 * src/reader.c: Adjust.
18523 * src/lex.c: Formatting changes.
18524 (safegetc): Rename as...
18527 2000-10-02 Akim Demaille <akim@epita.fr>
18529 * src/lalr.h: New file.
18530 Propagate its inclusion instead of prototypes and `extern'.
18531 * src/lalr.c: Formatting changes, topological sorting etc.
18533 2000-10-02 Akim Demaille <akim@epita.fr>
18535 * src/output.c (token_actions): Introduce a temporary array,
18536 YYDEFACT, that makes it possible for this function to use
18537 output_short_table.
18539 2000-10-02 Akim Demaille <akim@epita.fr>
18541 `user_toknums' is output as a `short[]' in `output.c', while it is
18542 defined as a `int[]' in `reader.c'. For consistency with the
18543 other output tables, `user_toknums' is now defined as a table of
18546 * src/reader.c (user_toknums): Be a short table instead of an int
18548 Adjust dependencies.
18550 Factor the short table outputs.
18552 * src/output.c (output_short_table): New function.
18553 * src/output.c (output_gram, output_stos, output_rule_data)
18554 (output_base, output_table, output_check): Use it.
18556 2000-10-02 Akim Demaille <akim@epita.fr>
18558 * src/output.c (output): Topological sort of the functions, in
18559 order to get rid of the `static' prototypes.
18560 No longer use `register'.
18561 * src/output.h: New file.
18562 Propagate its inclusion in files explicitly prototyping functions
18565 2000-09-21 Akim Demaille <akim@epita.fr>
18567 * src/atgeneral.m4: Update from Autoconf.
18569 2000-09-21 Akim Demaille <akim@epita.fr>
18571 * src/closure.h: New file.
18572 * src/closure.c: Formatting changes, topological sort over the
18573 functions, use of closure.h.
18574 (initialize_closure, finalize_closure): Rename as...
18575 (new_closure, free_closure): these. Adjust dependencies.
18576 * src/LR0.c: Formatting changes, topological sort, use of
18578 (initialize_states): Rename as...
18579 (new_states): this.
18580 * src/Makefile.am (noinst_HEADERS): Adjust.
18582 2000-09-20 Akim Demaille <akim@epita.fr>
18584 * src/acconfig.h: Don't protect config.h against multiple
18586 Don't define PARAMS.
18587 * src/system.h: Define PARAMS.
18588 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
18589 purpose of config.h. system.h must not try to fix wrong
18590 definitions in config.h.
18592 2000-09-20 Akim Demaille <akim@epita.fr>
18594 * src/derives.h: New file.
18595 * src/main.c, src/derives.h: Use it.
18596 Formatting changes.
18597 * src/Makefile.am (noinst_HEADERS): Adjust.
18599 2000-09-20 Akim Demaille <akim@epita.fr>
18601 * tests/atgeneral.m4: Update from Autoconf.
18602 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
18603 (AT_CHECK_CALC): New macros.
18604 Use these macros to test bison with options `', `--raw',
18605 `--debug', `--yacc', `--yacc --debug'.
18607 2000-09-19 Akim Demaille <akim@epita.fr>
18609 * src/output.c: Formatting changes.
18610 * src/machine.h: Remove, leaving its contents in...
18611 * src/system.h: here.
18613 Adjust all dependencies on stdio.h and machine.h.
18614 * src/getargs.h: New file.
18615 Let all `extern' declarations about getargs.c be replaced with
18616 inclusion of `getargs.h'.
18617 * src/Makefile.am (noinst_HEADERS): Adjust.
18619 * tests/calc.m4 (yyin): Be initialized in main, not on the global
18621 (yyerror): Returns void, not int.
18622 * doc/bison.texinfo: Formatting changes.
18624 2000-09-19 Akim Demaille <akim@epita.fr>
18626 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
18629 2000-09-18 Akim Demaille <akim@epita.fr>
18631 * configure.in: Append WARNING_CFLAGS to CFLAGS.
18632 * src/Makefile.am (INCLUDES): Don't.
18633 Be ready to fetch headers in lib/.
18635 2000-09-18 Akim Demaille <akim@epita.fr>
18637 * doc/bison.texinfo: Update the copyright.
18638 ANSIfy and GNUify the examples.
18639 Remove the old menu.
18641 2000-09-18 Akim Demaille <akim@epita.fr>
18643 First set of tests: use the `calc' example from the documentation.
18645 * src/bison.s1 (yyparse): Condition the code using `yytname' which
18646 is defined only when YYDEBUG is.
18647 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
18648 * src/files.c (tryopen, tryclose): Formatting changes.
18649 Move to the top and be static.
18650 * src/reader.c (read_signed_integer): Likewise.
18651 * tests/calc.m4: New file.
18652 * Makefile.am, suite.m4: Adjust.
18653 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
18655 2000-09-18 Akim Demaille <akim@epita.fr>
18657 Add support for an Autotest test suite for Bison.
18659 * m4/m4.m4, m4/atconfig.m4: New files.
18660 * m4/Makefile.am (EXTRA_DIST): Adjust.
18661 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
18663 * src/getargs.c: Display a more standard --version message.
18664 * src/reader.c (reader): Formatting changes.
18665 No longer depend upon VERSION_STRING.
18666 * configure.in: No longer use `dnl'.
18667 Set up the test suite and the new directory `tests/.
18668 (VERSION_STRING): Remove.
18670 2000-04-14 Akim Demaille <akim@epita.fr>
18672 * src/reader.c (copy_comment2): New function, same as former
18673 `copy_comment', but outputs into two FILE *.
18674 (copy_comment): Use it.
18675 (parse_union_decl): Use it.
18676 (get_type, parse_start_decl): Use the same `invalid' message.
18677 (parse_start_decl, parse_union_decl): Use the same `multiple'
18679 (parse_union_decl, copy_guard, copy_action): Use the same
18680 `unmatched' message.
18681 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
18683 2000-03-31 Akim Demaille <akim@epita.fr>
18685 * src/files.c (tryopen, tryclose): Move to the top.
18688 2000-03-31 Akim Demaille <akim@epita.fr>
18690 * src/main.c (main): Don't call `done', exit does it.
18692 2000-03-31 Akim Demaille <akim@epita.fr>
18694 * allocate.c: s/return (foo)/return foo/.
18695 * lalr.c: Likewise.
18697 * output.c: Likewise.
18698 * reader.c: Likewise.
18699 * symtab.c: Likewise.
18700 * vmsgetargs.c: Likewise.
18702 2000-03-31 Akim Demaille <akim@epita.fr>
18704 Clean up the error reporting functions.
18706 * src/report.c: New file.
18707 * src/report.h: Likewise.
18708 * src/Makefile.am: Adjust.
18709 * m4/error.m4: New file.
18710 * m4/Makefile.am: Adjust.
18711 * configure.in (jm_PREREQ_ERROR): Call it.
18712 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
18714 (fatal, fatals): Remove. All callers use complain.c::fatal.
18715 (warn, warni, warns, warnss, warnss): Remove. All callers use
18716 complain.c::complain.
18717 (toomany): Remove, use fatal instead.
18718 * src/files.c (done): No argument, use complain_message_count.
18719 * src/main.c (main): Register `done' to `atexit'.
18721 * src/getargs.c (usage): More `fputs', less `fprintf'.
18723 2000-03-28 Akim Demaille <akim@epita.fr>
18725 * lib/: New directory.
18726 * Makefile.am (SUBDIRS): Adjust.
18727 * configure.in: Adjust.
18728 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
18730 * src/alloca.c: Moved to lib/.
18731 * src/getopt.c: Likewise.
18732 * src/getopt1.c: Likewise.
18733 * src/getopt.h: Likewise.
18734 * src/ansi2knr.c: Likewise.
18735 * src/ansi2knr.1: Likewise.
18736 * src/Makefile.am: Adjust.
18737 * lib/Makefile.am: New file.
18739 2000-03-28 Akim Demaille <akim@epita.fr>
18741 * src/getargs.c (usage): Refresh the help message.
18743 2000-03-17 Akim Demaille <akim@epita.fr>
18745 * src/getopt1.c: Updated from textutils 2.0e
18746 * src/getopt.c: Likewise.
18747 * src/getopt.h: Likewise.
18749 2000-03-17 Akim Demaille <akim@epita.fr>
18751 * src/Makefile.am (bison.simple): Fix the awk program: quote only
18752 the file name, not the whole `#line LINE FILE'.
18754 2000-03-17 Akim Demaille <akim@epita.fr>
18756 On syntax errors, report the token on which we choked.
18758 * src/bison.s1 (yyparse): In the label yyerrlab, when
18759 YYERROR_VERBOSE, add yychar in msg.
18761 2000-03-17 Akim Demaille <akim@epita.fr>
18763 * src/reader.c (copy_at): New function.
18764 (copy_guard): Use it.
18765 (copy_action): Use it.
18767 2000-03-17 Akim Demaille <akim@epita.fr>
18769 Be kind to translators, save some useless translations.
18771 * src/main.c (banner): New function.
18772 (fatal_banner): Use it.
18773 (warn_banner): Use it.
18775 2000-03-17 Akim Demaille <akim@epita.fr>
18777 * src/reader.c (copy_definition): Use copy_string and
18778 copy_comment. Removed now unused `match', `ended',
18780 (copy_comment, copy_string): Moved, to be visible from
18783 2000-03-17 Akim Demaille <akim@epita.fr>
18785 * src/reader.c (copy_string): Declare `static inline'. No
18786 problems with inline, since it is checked by configure.
18787 (copy_comment): Likewise.
18789 2000-03-17 Akim Demaille <akim@epita.fr>
18791 * src/reader.c (packsymbols): Formatting changes.
18793 2000-03-17 Akim Demaille <akim@epita.fr>
18795 * src/reader.c (copy_comment): New function, factored out from:
18796 (copy_action): Use it. Removed now unused `match', `ended',
18798 (copy_guard): Likewise.
18800 2000-03-17 Akim Demaille <akim@epita.fr>
18802 * src/reader.c (copy_string): New function, factored out from:
18803 (copy_action): Use it.
18804 (copy_guard): Likewise.
18806 2000-03-17 Akim Demaille <akim@epita.fr>
18808 Change the handling of @s so that they behave exactly like $s.
18809 There is now a pseudo variable @$ (readble and writable), location
18810 of the lhs of the rule (by default ranging from the location of
18811 the first symbol of the rhs, to the location of the last symbol,
18812 or, if the rhs is empty, YYLLOC).
18814 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
18816 (yyparse): When providing a default semantic action, provide a
18817 default location action.
18818 (after the $): No longer change `*YYLSP', just stack YYLOC the
18819 same way you stack YYVAL.
18820 * src/reader.c (read_declarations): Use warns.
18821 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
18822 (copy_action, case '@'): Likewise.
18823 Use a standard error message, to save useless work from
18826 2000-03-17 Akim Demaille <akim@epita.fr>
18828 * src/bison.s1: Formatting and cosmetics changes.
18829 * src/reader.c: Likewise.
18830 Update the Copyright notice.
18832 2000-03-17 Akim Demaille <akim@epita.fr>
18834 * src/bison.s1 (#line): All set to `#line' only, since the
18835 Makefile now handles them.
18837 2000-03-16 Akim Demaille <akim@epita.fr>
18839 * src/output.c (output_rule_data): Output the documentation of
18840 some of the tables.
18841 (Copyright notice): Update.
18842 Formatting changes.
18844 2000-03-16 Akim Demaille <akim@epita.fr>
18846 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
18847 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
18848 One `#if YYDEBUG' remains, since it uses variables which are
18849 defined only if `YYDEBUG != 0'.
18851 2000-03-16 Akim Demaille <akim@epita.fr>
18853 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
18854 and related variables so that the similarities are highlighted.
18856 2000-03-16 Akim Demaille <akim@epita.fr>
18858 * src/bison.s1: Properly indent CPP directives.
18860 2000-03-16 Akim Demaille <akim@epita.fr>
18862 * src/bison.s1: Properly indent the `alloca' CPP section.
18864 2000-03-16 Akim Demaille <akim@epita.fr>
18866 Do not hard code values of directories in `configure.in'.
18867 Update the `configure' tool chain.
18869 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
18871 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
18872 (AC_OUTPUT): Add m4/Makefile.
18873 Bump to bison 1.28a, 1.29 has never been released.
18874 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
18875 handled via src/Makefile.am.
18876 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
18877 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
18879 * Makefile.am (SUBDIRS): Add m4.
18880 (ACLOCAL_AM_FLAGS): New variable.
18881 (AUTOMAKE_OPTIONS): Add check-news.
18882 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
18883 the proper line number and file name.
18884 (DEFS): Propagate the location of bison library files and of the
18886 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
18888 * acinclude.m4: Remove, replaced by the directory m4.
18889 * m4/Makefile.am (EXTRA_DIST): New variable.
18890 * m4/gettext.m4: New file, from the fileutils.
18891 * m4/lcmessage.m4: Likewise
18892 * m4/progtest.m4: Likewise.
18893 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
18895 2000-03-10 Akim Demaille <akim@epita.fr>
18898 Formatting changes of various comments.
18899 Respect the GNU coding standards at various places.
18900 Don't use `_()' when no translation is needed.
18902 1999-12-13 Jesse Thilo <jthilo@gnu.org>
18905 OS/2 honors TMPDIR environment variable.
18907 1999-12-13 Jesse Thilo <jthilo@gnu.org>
18909 * doc/bison.texinfo: Tweaked spelling and grammar.
18911 Removed reference to price of printed copy.
18912 Mention BISON_SIMPLE and BISON_HAIRY.
18914 1999-12-13 Jesse Thilo <jthilo@gnu.org>
18916 * configure.in, NEWS:
18917 Bison 1.29 released.
18919 1999-10-27 Jesse Thilo <jthilo@gnu.org>
18921 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
18922 Added reference card.
18924 1999-07-26 Jesse Thilo <jthilo@gnu.org>
18926 * po/ru.po: Added Russian translation.
18928 1999-07-26 Jesse Thilo <jthilo@gnu.org>
18930 * configure.in: Added Russian translation.
18932 1999-07-06 Jesse Thilo <jthilo@gnu.org>
18934 * configure.in, NEWS, README:
18935 Released version 1.28.
18937 1999-06-14 Jesse Thilo <jthilo@gnu.org>
18940 Squashed redefinition warning on some systems.
18942 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
18943 Have configure build version string instead of relying on ANSI string
18946 1999-06-14 Jesse Thilo <jthilo@gnu.org>
18948 * po/POTFILES.in: Got rid of version.c.
18950 1999-06-14 Jesse Thilo <jthilo@gnu.org>
18952 * acconfig.h, configure.in:
18953 Have configure build version string instead of relying on ANSI string
18956 1999-06-08 Jesse Thilo <jthilo@gnu.org>
18959 Dropped mention of `+' for long-named options.
18961 1999-05-30 Jesse Thilo <jthilo@gnu.org>
18963 * src/files.c: Added <unistd.h> for unlink().
18965 * src/Makefile.am, src/system.h:
18968 1999-05-30 Jesse Thilo <jthilo@gnu.org>
18970 * README: Added a FAQ list.
18972 * configure.in, acconfig.h:
18975 1999-05-30 Jesse Thilo <jthilo@gnu.org>
18977 * doc/FAQ, doc/Makefile.am:
18980 1999-05-19 Jesse Thilo <jthilo@gnu.org>
18982 * src/alloc.h, src/symtab.h, src/version.c:
18983 Protected inclusion of "config.h" with HAVE_CONFIG_H.
18985 1999-04-18 Jesse Thilo <jthilo@gnu.org>
18987 * src/.cvsignore, src/Makefile.am:
18988 Reorganized: sources in `src', documentation in `doc'.
18990 * src/lex.c (literalchar):
18991 fixed the code for escaping double quotes (thanks
18994 1999-04-18 Jesse Thilo <jthilo@gnu.org>
18996 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
18997 Adjusted paths to reflect directory reorganization.
18999 1999-04-18 Jesse Thilo <jthilo@gnu.org>
19001 * doc/.cvsignore, doc/Makefile.am:
19002 Reorganized: sources in `src', documentation in `doc'.
19004 1999-04-18 Jesse Thilo <jthilo@gnu.org>
19007 Updated AC_INIT file to reflect directory reorganization.
19009 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
19010 Reorganized: sources in `src', documentation in `doc'.
19012 1999-04-13 Jesse Thilo <jthilo@gnu.org>
19015 Don't declare calloc() and realloc() if not necessary.
19017 1999-04-13 Jesse Thilo <jthilo@gnu.org>
19019 * configure.in, acconfig.h, acinclude.m4:
19020 Don't declare calloc() and realloc() if not necessary.
19022 1999-03-23 Jesse Thilo <jthilo@gnu.org>
19024 * po/.cvsignore: Added i18n support.
19026 1999-03-23 Jesse Thilo <jthilo@gnu.org>
19028 * acconfig.h, configure.in, Makefile.am:
19029 Added i18n support.
19031 1999-03-22 Jesse Thilo <jthilo@gnu.org>
19033 * src/bison.s1: Fixed #line numbers.
19035 1999-03-15 Jesse Thilo <jthilo@gnu.org>
19037 * po/es.po, po/fr.po, po/nl.po, po/de.po:
19038 Added PO files from Translation Project.
19040 1999-03-03 Jesse Thilo <jthilo@gnu.org>
19043 Added support for non-ANSI compilers (ansi2knr).
19045 1999-02-16 Jesse Thilo <jthilo@gnu.org>
19047 * configure.in: Bumped version number to 1.27.
19050 Added `bison.simple' to list of files removed by `make distclean'.
19052 1999-02-12 Jesse Thilo <jthilo@gnu.org>
19054 * src/files.c, src/files.h:
19055 Defined locations of parser files in config.h instead of Makefile.
19057 1999-02-12 Jesse Thilo <jthilo@gnu.org>
19059 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
19060 Defined locations of parser files in config.h instead of Makefile.
19062 1999-02-09 Jesse Thilo <jthilo@gnu.org>
19065 Removed inappropriate use of $< macro.
19067 1999-02-05 Jesse Thilo <jthilo@gnu.org>
19069 * po/Makefile.in.in, po/POTFILES.in:
19070 Add `po' directory skeleton.
19072 1999-01-27 Jesse Thilo <jthilo@gnu.org>
19074 * README: Document help-bison list.
19076 * configure.in: Add check for mkstemp().
19078 1999-01-20 Jesse Thilo <jthilo@gnu.org>
19080 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
19081 Hush a few compiler warnings.
19084 Add tryclose(), which verifies that fclose was successful.
19085 Hush a couple of compiler warnings.
19087 1999-01-20 Jesse Thilo <jthilo@gnu.org>
19089 * Makefile.am, OChangeLog:
19090 ChangeLog is now automatically generated. Include the old version as
19093 1999-01-14 Jesse Thilo <jthilo@gnu.org>
19095 * 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:
19096 Update FSF address.
19098 1999-01-14 Jesse Thilo <jthilo@gnu.org>
19100 * doc/bison.texinfo: Fix formatting glitch.
19102 * doc/bison.texinfo: Update FSF address.
19104 1999-01-14 Jesse Thilo <jthilo@gnu.org>
19106 * acconfig.h: Update FSF address.
19108 1999-01-08 Jesse Thilo <jthilo@gnu.org>
19111 Don't define PACKAGE here, since config.h defines it.
19113 1998-12-30 Jesse Thilo <jthilo@gnu.org>
19115 * src/reader.c: Update copyright date.
19118 Ditch sprintf to statically-sized buffers in fatal/warn functions in
19119 favor of output directly to stderr (avoids buffer overruns).
19121 * src/reader.c: Some checks for premature EOF.
19123 * 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:
19124 Use prototypes if the compiler understands them.
19126 * src/files.c: Honor TMPDIR on Unix hosts.
19127 Use prototypes if the compiler understands them.
19130 Fix a couple of buffer overrun bugs.
19131 Use prototypes if the compiler understands them.
19133 * src/system.h: Include unistd.h and ctype.h.
19134 Use #ifdef instead of #if for NLS symbols.
19136 1998-12-30 Jesse Thilo <jthilo@gnu.org>
19138 * doc/bison.texinfo:
19139 Delete comment "consider using @set for edition number, etc..." since
19140 we now are doing so.
19142 1998-12-30 Jesse Thilo <jthilo@gnu.org>
19145 Use prototypes if the compiler understands them.
19147 * NEWS: Document 1.26 highlights.
19149 * Makefile.am: Require Automake 1.3 or later.
19152 Use prototypes if the compiler understands them.
19154 1998-12-29 Jesse Thilo <jthilo@gnu.org>
19157 Use VERSION symbol from automake for version number.
19159 1998-12-29 Jesse Thilo <jthilo@gnu.org>
19161 * acconfig.h, configure.in, version.cin:
19162 Use VERSION symbol from automake for version number.
19164 1998-11-28 Jesse Thilo <jthilo@gnu.org>
19167 Distribute original version of simple parser (bison.s1), not built
19168 version (bison.simple).
19170 1998-11-28 Jesse Thilo <jthilo@gnu.org>
19172 * doc/bison.texinfo: Add info dir entry.
19174 * doc/bison.texinfo:
19175 Let automake put version number into documentation.
19177 1998-11-26 Jesse Thilo <jthilo@gnu.org>
19179 * src/bison.cld, src/build.com, src/vmshlp.mar:
19180 Add non-RCS files from /gd/gnu/bison.
19182 1998-11-26 Jesse Thilo <jthilo@gnu.org>
19185 Document the BISON_HAIRY and BISON_SIMPLE variables.
19187 1998-11-25 Jesse Thilo <jthilo@gnu.org>
19189 * src/version.c: Build version.c automatically.
19192 Fix token numbering (used to start at 258, not 257).
19194 * src/system.h: Include config.h.
19196 * src/getargs.c: Update bug report address.
19198 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
19199 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
19201 1998-11-25 Jesse Thilo <jthilo@gnu.org>
19204 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
19206 * configure.in, version.cin:
19207 Build version.c automatically.
19209 * AUTHORS: Add AUTHORS file.
19211 * README: Update bug report address.
19214 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
19216 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
19217 Add automake stuff.
19219 1998-11-25 Jesse Thilo <jthilo@gnu.org>
19221 * doc/bison.texinfo: Clean up some formatting.
19223 1998-05-05 Richard Stallman <rms@gnu.org>
19225 * doc/bison.texinfo:
19226 Explain better why to make a pure parser.
19228 1998-01-05 Richard Stallman <rms@gnu.org>
19230 * src/files.c (openfiles):
19231 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
19232 find a temporary directory, if possible. Do not unlink files while
19235 1997-08-25 Richard Stallman <rms@gnu.org>
19237 * src/reader.c (stack_offset;):
19238 Change some warni to warns.
19240 * src/lex.c (literalchar): Use warns, not warni.
19242 1997-06-28 Richard Stallman <rms@gnu.org>
19244 * src/bison.s1: Add a Bison version comment.
19246 * src/main.c (fatal, warn, berror):
19249 1997-06-28 Richard Stallman <rms@gnu.org>
19251 * Makefile.in (bison_version): New variable.
19252 (dist): Use that variable.
19253 (bison.s1): Substitute the Bison version into bison.simple.
19255 * bison.simple: Add a Bison version comment.
19257 1997-06-18 Richard Stallman <rms@gnu.org>
19259 * src/main.c (fatal, warn, berror):
19260 Make error messages standard.
19261 (toomany): Improve error message text.
19263 * 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:
19264 new.h renamed to alloc.h.
19266 1997-06-18 Richard Stallman <rms@gnu.org>
19268 * Makefile.in: new.h renamed to alloc.h.
19270 1997-05-24 Richard Stallman <rms@gnu.org>
19272 * src/lex.c (literalchar):
19273 Fix the code for escaping \, " and '.
19275 (lex): Avoid trouble when there are many chars
19276 to discard in a char literal with just several chars in it.
19278 1997-05-17 Richard Stallman <rms@gnu.org>
19281 Use malloc, if using alloca is troublesome.
19282 (YYSTACK_USE_ALLOCA): New flag macro.
19283 Define it for some systems and compilers.
19284 (YYSTACK_ALLOC): New macro.
19285 (yyparse): Use YYSTACK_ALLOC to allocate stack.
19286 If it was malloc'd, free it.
19288 1997-05-17 Richard Stallman <rms@gnu.org>
19291 Use malloc, if using alloca is troublesome.
19292 (YYSTACK_USE_ALLOCA): New flag macro.
19293 Define it for some systems and compilers.
19294 (YYSTACK_ALLOC): New macro.
19295 (yyparse): Use YYSTACK_ALLOC to allocate stack.
19296 If it was malloc'd, free it.
19298 1997-04-23 Richard Stallman <rms@gnu.org>
19301 (alloca) [__hpux]: Always define as __builtin_alloca.
19303 1997-04-23 Richard Stallman <rms@gnu.org>
19306 (alloca) [__hpux]: Always define as __builtin_alloca.
19308 1997-04-22 Richard Stallman <rms@gnu.org>
19311 [__hpux]: Include alloca.h (right for HPUX 10)
19312 instead of declaring alloca (right for HPUX 9).
19314 * src/bison.s1 (__yy_memcpy):
19315 Declare arg `count' as unsigned int.
19316 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
19318 1997-04-22 Richard Stallman <rms@gnu.org>
19321 [__hpux]: Include alloca.h (right for HPUX 10)
19322 instead of declaring alloca (right for HPUX 9).
19324 * bison.simple (__yy_memcpy):
19325 Declare arg `count' as unsigned int.
19326 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
19328 1997-01-03 Richard Stallman <rms@gnu.org>
19330 * src/allocate.c: [__STDC__ or _MSC_VER]:
19331 Declare calloc and realloc to return void *.
19333 1997-01-02 Richard Stallman <rms@gnu.org>
19336 [_MSC_VER]: Include stdlib.h and process.h.
19337 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
19339 * src/main.c (main): Return FAILURE as a value.
19340 (printable_version): Declare arg as int, not char.
19342 1997-01-02 Richard Stallman <rms@gnu.org>
19344 * Makefile.in (dist):
19345 Explicitly check for symlinks, and copy them.
19347 1996-12-19 Richard Stallman <rms@gnu.org>
19350 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
19352 1996-12-18 Paul Eggert <eggert@gnu.org>
19354 * src/bison.s1 (yyparse):
19355 If __GNUC__ and YYPARSE_PARAM are both defined,
19356 declare yyparse to have a void * argument.
19358 1996-12-18 Paul Eggert <eggert@gnu.org>
19360 * bison.simple (yyparse):
19361 If __GNUC__ and YYPARSE_PARAM are both defined,
19362 declare yyparse to have a void * argument.
19364 1996-12-17 Richard Stallman <rms@gnu.org>
19366 * src/reduce.c (nbits): Add some casts.
19368 1996-08-12 Richard Stallman <rms@gnu.org>
19370 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
19372 1996-08-12 Richard Stallman <rms@gnu.org>
19374 * bison.simple: Test _MSDOS as well as _MSDOS_.
19376 1996-07-31 Richard Stallman <rms@gnu.org>
19379 [__sun && __i386]: Include alloca.h.
19381 1996-07-31 Richard Stallman <rms@gnu.org>
19384 [__sun && __i386]: Include alloca.h.
19386 1996-07-30 Richard Stallman <rms@gnu.org>
19388 * src/bison.s1: Comment change.
19390 * src/bison.s1: Test _MSDOS_, not MSDOS.
19392 1996-07-30 Richard Stallman <rms@gnu.org>
19394 * bison.simple: Comment change.
19396 * bison.simple: Test _MSDOS_, not MSDOS.
19398 1996-06-01 Richard Stallman <rms@gnu.org>
19400 * 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:
19401 Insert `_' macro around many string constants.
19404 Insert `_' macro around many string constants.
19406 (main): Call setlocale, bindtextdomain and textdomain.
19408 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
19409 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
19410 [ENABLE_NLS]: Include libintl.h.
19411 [ENABLE_NLS] (gettext): Define.
19412 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
19413 (N_, PACKAGE, LOCALEDIR): New macros.
19415 1996-06-01 Richard Stallman <rms@gnu.org>
19417 * POTFILES.in: New file.
19419 * Makefile.in (allocate.o):
19420 Define target explicitly.
19422 * Makefile.in (CFLAGS): Set to @CFLAGS@.
19423 (LDFLAGS): Set to @LDFLAGS@.
19424 (configure): Run autoconf only if preceding `cd' succeeds.
19425 (bison.s1): Redirect output to temporary file then move the
19426 temporary to the target, rather than redirecting directly to bison.s1.
19427 (clean): Remove config.status and config.log.
19428 (distclean): Don't remove config.status here.
19430 1996-05-12 Richard Stallman <rms@gnu.org>
19433 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
19435 1996-05-12 Richard Stallman <rms@gnu.org>
19438 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
19440 1996-05-11 Richard Stallman <rms@gnu.org>
19442 * src/bison.s1 (__yy_memcpy):
19443 Really reorder the args, as was supposedly done on Feb 14 1995.
19444 (yyparse): Calls changed accordingly.
19446 1996-05-11 Richard Stallman <rms@gnu.org>
19448 * Makefile.in (dist): Don't use $(srcdir).
19450 * bison.simple (__yy_memcpy):
19451 Really reorder the args, as was supposedly done on Feb 14 1995.
19452 (yyparse): Calls changed accordingly.
19454 1996-01-27 Richard Stallman <rms@gnu.org>
19456 * src/output.c (output_rule_data):
19457 Test YYERROR_VERBOSE in the conditional
19458 around the definition of ttyname.
19460 1995-12-29 Richard Stallman <rms@gnu.org>
19463 Fix line numbers in #line commands.
19465 1995-12-29 Richard Stallman <rms@gnu.org>
19468 Fix line numbers in #line commands.
19470 1995-12-27 Richard Stallman <rms@gnu.org>
19472 * src/bison.s1 (YYPARSE_PARAM_DECL):
19473 In C++, make it always null.
19474 (YYPARSE_PARAM_ARG): New macro.
19475 (yyparse): Use YYPARSE_PARAM_ARG.
19477 1995-12-27 Richard Stallman <rms@gnu.org>
19479 * bison.simple (YYPARSE_PARAM_DECL):
19480 In C++, make it always null.
19481 (YYPARSE_PARAM_ARG): New macro.
19482 (yyparse): Use YYPARSE_PARAM_ARG.
19484 1995-11-29 Richard Stallman <rms@gnu.org>
19486 * doc/bison.texinfo:
19487 Describe literal string tokens, %raw, %no_lines, %token_table.
19489 1995-11-29 Daniel Hagerty <hag@gnu.org>
19491 * doc/bison.texinfo: Fixed update date
19493 1995-10-16 Richard Stallman <rms@gnu.org>
19495 * src/version.c: Version 1.25.
19497 1995-10-16 Richard Stallman <rms@gnu.org>
19499 * NEWS: *** empty log message ***
19501 1995-10-16 Richard Stallman <rms@gnu.org>
19503 * doc/bison.1, doc/bison.rnh:
19506 1995-10-15 Richard Stallman <rms@gnu.org>
19508 * src/vmsgetargs.c, src/getargs.c:
19509 Added -n, -k, and -raw switches.
19510 (noparserflag, toknumflag, rawtoknumflag): New variables.
19512 * src/symtab.h (SALIAS):
19513 New #define for adding aliases to %token.
19514 (struct bucket): Added `alias' field.
19516 * src/reduce.c (reduce_grammar):
19517 Revise error message.
19518 (print_notices): Remove final `.' from error message.
19520 * src/reader.c (reader_output_yylsp):
19522 (readgram): Use `#if 0' around code that accepted %command
19523 inside grammar rules: The documentation doesn't allow it,
19524 and it will fail since the %command processors scan for the next %.
19525 (parse_token_decl): Extended the %token
19526 declaration to allow a multi-character symbol as an alias.
19527 (parse_thong_decl): New function.
19528 (read_declarations): Added %thong declarations.
19529 (read_declarations): Handle NOOP to deal with allowing
19530 % declarations as another means to specify the flags.
19531 (readgram): Allow %prec prior to semantics embedded in a rule.
19532 (skip_to_char, read_declarations, copy_definition)
19533 (parse_token_decl, parse_start_decl, parse_type_decl)
19534 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
19535 (get_type_name, copy_guard, copy_action, readgram)
19536 (get_type, packsymbols): Revised most error messages.
19537 Changed `fatal' to `warnxxx' to avoid aborting for error.
19538 Revised and use multiple warnxxx functions to avoid using VARARGS1.
19539 (read_declarations): Improve the error message for
19540 an invalid character. Do not abort.
19541 (read_declarations, copy_guard, copy_action): Use
19542 printable_version to avoid unprintable characters in printed output.
19543 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
19544 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
19545 Allow the type of a non-terminal can be given
19546 more than once, as long as all specifications give the same type.
19549 (output_headers, output_trailers, output, output_gram)
19550 (output_rule_data): Implement noparserflag variable.
19551 Implement toknumflag variable.
19552 (output): Call reader_output_yylsp to output LTYPESTR.
19554 * src/main.c (main):
19555 If reader sees an error, don't process the grammar.
19556 (fatals): Updated to not use VARARGS1.
19557 (printable_version, int_to_string, warn, warni, warns, warnss)
19558 (warnsss): New error reporting functions. Avoid abort for error.
19561 Added THONG and NOOP for alias processing.
19562 Added SETOPT for the new code that allows setting options with %flags.
19565 Include getopt.h. Add some extern decls.
19566 (safegetc): New function to deal with EOF gracefully.
19567 (literalchar); new function to deal with reading \ escapes.
19568 (lex): Use literalchar.
19569 (lex): Implemented "..." tokens.
19570 (literalchar, lex, parse_percent_token): Made tokenbuffer
19571 always contain the token. This includes growing the token
19572 buffer while reading an integer.
19573 (parse_percent_token): Replaced if-else statement with percent_table.
19574 (parse_percent_token): Added % declarations as another
19575 way to specify the flags -n, -l, and -r. Also added hooks for
19576 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
19577 major changes to files.c.
19578 (lex) Retain in the incoming stream a character following
19580 (skip_white_space, lex): Revised most error messages
19581 and changed fatal to warn to avoid aborting.
19582 (percent_table): Added %thong declarations.
19584 * src/gram.h: Comment changes.
19586 * src/files.c (openfiles, open_extra_files, done):
19588 and actfile file. Handle noparserflag. Both for -n switch.
19590 * src/conflicts.c (resolve_sr_conflict):
19591 Remove use of alloca.
19593 1995-06-01 Jim Meyering <meyering@gnu.org>
19595 * doc/bison.texinfo: *** empty log message ***
19597 1995-05-06 Richard Stallman <rms@gnu.org>
19599 * src/bison.s1: Comment change.
19601 1995-05-06 Richard Stallman <rms@gnu.org>
19603 * bison.simple: Comment change.
19605 1995-05-03 Richard Stallman <rms@gnu.org>
19607 * src/version.c: Version now 1.24.
19609 * src/bison.s1: Change distribution terms.
19611 * src/version.c: Version now 1.23.
19613 1995-05-03 Richard Stallman <rms@gnu.org>
19615 * doc/bison.texinfo:
19616 Rewrite "Conditions for Using Bison".
19617 Update version to 1.24.
19619 1995-05-03 Richard Stallman <rms@gnu.org>
19621 * bison.simple: Change distribution terms.
19623 1995-02-23 Richard Stallman <rms@gnu.org>
19625 * src/files.c: Test __VMS_POSIX as well as VMS.
19627 1995-02-14 Jim Meyering <meyering@gnu.org>
19629 * src/bison.s1 (__yy_memcpy):
19630 Renamed from __yy_bcopy to avoid
19631 confusion. Reverse FROM and TO arguments to be consistent with
19634 1995-02-14 Jim Meyering <meyering@gnu.org>
19636 * bison.simple (__yy_memcpy):
19637 Renamed from __yy_bcopy to avoid
19638 confusion. Reverse FROM and TO arguments to be consistent with
19641 1994-11-10 David J. MacKenzie <djm@gnu.org>
19647 * Makefile.in (DISTFILES): Include NEWS.
19649 * Makefile.in (DISTFILES):
19650 Include install-sh, not install.sh.
19652 * configure.in: Update to Autoconf v2 macro names.
19654 1994-10-05 David J. MacKenzie <djm@gnu.org>
19656 * Makefile.in: fix typo
19658 * Makefile.in (prefix, exec_prefix):
19659 Let configure set them.
19661 1994-09-28 David J. MacKenzie <djm@gnu.org>
19663 * Makefile.in: Set datadir to $(prefix)/share.
19665 1994-09-15 Richard Stallman <rms@gnu.org>
19668 Update copyright notice and GPL version.
19670 1994-09-15 Richard Stallman <rms@gnu.org>
19673 Update copyright notice and GPL version.
19675 1994-07-12 Richard Stallman <rms@gnu.org>
19677 * src/reduce.c, src/reader.c:
19680 1994-05-05 David J. MacKenzie <djm@gnu.org>
19682 * Makefile.in: entered into RCS
19684 1994-03-26 Richard Stallman <rms@gnu.org>
19686 * src/bison.s1: entered into RCS
19688 1994-03-26 Richard Stallman <rms@gnu.org>
19690 * bison.simple: entered into RCS
19692 1994-03-25 Richard Stallman <rms@gnu.org>
19694 * src/main.c: entered into RCS
19696 1994-03-24 Richard Stallman <rms@gnu.org>
19698 * src/conflicts.c: entered into RCS
19700 1994-01-02 Richard Stallman <rms@gnu.org>
19702 * Makefile.in: *** empty log message ***
19704 1993-11-21 Richard Stallman <rms@gnu.org>
19706 * src/bison.s1: *** empty log message ***
19708 1993-11-21 Richard Stallman <rms@gnu.org>
19710 * doc/bison.texinfo: entered into RCS
19712 * doc/bison.texinfo: *** empty log message ***
19714 1993-11-21 Richard Stallman <rms@gnu.org>
19716 * bison.simple: *** empty log message ***
19718 1993-10-25 David J. MacKenzie <djm@gnu.org>
19720 * doc/bison.texinfo: *** empty log message ***
19722 1993-10-19 Richard Stallman <rms@gnu.org>
19724 * src/bison.s1: *** empty log message ***
19726 1993-10-19 Richard Stallman <rms@gnu.org>
19728 * bison.simple: *** empty log message ***
19730 1993-10-14 Richard Stallman <rms@gnu.org>
19732 * src/bison.s1: *** empty log message ***
19734 1993-10-14 Richard Stallman <rms@gnu.org>
19736 * bison.simple: *** empty log message ***
19738 1993-09-14 David J. MacKenzie <djm@gnu.org>
19740 * doc/bison.texinfo: *** empty log message ***
19742 1993-09-13 Noah Friedman <friedman@gnu.org>
19744 * Makefile.in: *** empty log message ***
19746 1993-09-10 Richard Stallman <rms@gnu.org>
19748 * src/conflicts.c: *** empty log message ***
19750 * src/system.h: entered into RCS
19752 1993-09-10 Richard Stallman <rms@gnu.org>
19754 * doc/bison.1: entered into RCS
19756 1993-09-06 Noah Friedman <friedman@gnu.org>
19758 * src/version.c: entered into RCS
19760 1993-09-06 Noah Friedman <friedman@gnu.org>
19762 * Makefile.in: *** empty log message ***
19764 1993-07-30 David J. MacKenzie <djm@gnu.org>
19766 * Makefile.in: *** empty log message ***
19768 1993-07-24 Richard Stallman <rms@gnu.org>
19770 * src/bison.s1: *** empty log message ***
19772 1993-07-24 Richard Stallman <rms@gnu.org>
19774 * bison.simple: *** empty log message ***
19776 1993-07-08 David J. MacKenzie <djm@gnu.org>
19778 * Makefile.in: *** empty log message ***
19780 1993-07-04 Richard Stallman <rms@gnu.org>
19782 * src/bison.s1: *** empty log message ***
19784 1993-07-04 Richard Stallman <rms@gnu.org>
19786 * bison.simple: *** empty log message ***
19788 1993-06-26 David J. MacKenzie <djm@gnu.org>
19790 * src/getargs.c: entered into RCS
19792 1993-06-26 David J. MacKenzie <djm@gnu.org>
19794 * doc/bison.texinfo: *** empty log message ***
19796 * doc/bison.1: New file.
19798 1993-06-25 Richard Stallman <rms@gnu.org>
19800 * src/getargs.c: New file.
19802 1993-06-16 Richard Stallman <rms@gnu.org>
19804 * src/bison.s1: *** empty log message ***
19806 1993-06-16 Richard Stallman <rms@gnu.org>
19808 * bison.simple: *** empty log message ***
19810 1993-06-03 Richard Stallman <rms@gnu.org>
19812 * src/bison.s1: New file.
19814 1993-06-03 Richard Stallman <rms@gnu.org>
19816 * doc/bison.texinfo: *** empty log message ***
19818 1993-06-03 Richard Stallman <rms@gnu.org>
19820 * bison.simple: New file.
19822 1993-05-19 Richard Stallman <rms@gnu.org>
19824 * doc/bison.texinfo: New file.
19826 1993-05-07 Noah Friedman <friedman@gnu.org>
19828 * Makefile.in: *** empty log message ***
19830 1993-04-28 Noah Friedman <friedman@gnu.org>
19832 * src/reader.c: *** empty log message ***
19834 1993-04-23 Noah Friedman <friedman@gnu.org>
19836 * src/alloc.h: entered into RCS
19838 1993-04-20 David J. MacKenzie <djm@gnu.org>
19840 * src/version.c: *** empty log message ***
19842 * src/files.c, src/allocate.c:
19845 * src/reader.c: *** empty log message ***
19847 * src/lex.c: entered into RCS
19849 * src/conflicts.c: New file.
19851 * src/symtab.c: entered into RCS
19853 * src/alloc.h: New file.
19855 * src/LR0.c: entered into RCS
19857 1993-04-18 Noah Friedman <friedman@gnu.org>
19859 * src/reader.c: New file.
19861 * src/version.c: *** empty log message ***
19863 1993-04-18 Noah Friedman <friedman@gnu.org>
19865 * Makefile.in: *** empty log message ***
19867 1993-04-17 Noah Friedman <friedman@gnu.org>
19869 * Makefile.in: *** empty log message ***
19871 1993-04-15 Richard Stallman <rms@gnu.org>
19873 * src/main.c, src/files.c:
19876 1993-04-15 Noah Friedman <friedman@gnu.org>
19878 * configure.in: entered into RCS
19880 * configure.in: *** empty log message ***
19882 * configure.in: New file.
19884 1993-04-14 Richard Stallman <rms@gnu.org>
19886 * Makefile.in: New file.
19888 1993-04-13 Richard Stallman <rms@gnu.org>
19890 * src/version.c: New file.
19892 1993-03-25 Richard Stallman <rms@gnu.org>
19894 * src/output.c: entered into RCS
19896 1992-09-25 Richard Stallman <rms@gnu.org>
19898 * configure.bat: entered into RCS
19900 1992-06-22 Richard Stallman <rms@gnu.org>
19902 * src/vmsgetargs.c: entered into RCS
19904 1992-06-22 Richard Stallman <rms@gnu.org>
19906 * doc/bison.rnh: entered into RCS
19908 1992-04-20 David J. MacKenzie <djm@gnu.org>
19910 * README: entered into RCS
19912 1992-01-22 Richard Stallman <rms@gnu.org>
19914 * src/machine.h: entered into RCS
19916 1991-12-21 Richard Stallman <rms@gnu.org>
19918 * src/lalr.c, src/closure.c:
19921 1991-12-20 Richard Stallman <rms@gnu.org>
19923 * src/state.h: entered into RCS
19925 1991-12-18 Richard Stallman <rms@gnu.org>
19927 * src/print.c, src/nullable.c, src/derives.c:
19930 1991-11-03 David J. MacKenzie <djm@gnu.org>
19932 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
19935 1988-09-09 Richard Stallman <rms@gnu.org>
19937 * src/bison.hairy: entered into RCS
19939 1987-12-16 Richard Stallman <rms@gnu.org>
19941 * REFERENCES: entered into RCS
19946 Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,
19947 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
19948 Free Software Foundation, Inc.
19950 Copying and distribution of this file, with or without
19951 modification, are permitted provided the copyright notice and this
19952 notice are preserved.