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In XML output, remove redundant class attribute on symbol element.
[bison.git] / ChangeLog
1 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
2
3 In XML output, remove redundant class attribute on symbol element.
4 * data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
5 * data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
6 look up a symbol to determine whether it's a nonterminal or terminal.
7 * src/gram.c (rule_rhs_print_xml): Remove class attribute.
8 * src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
9
10 Add prec/assoc information to XML output.
11 * src/gram.c (grammar_rules_print_xml): For each rule that has a
12 %prec, add a percent_prec attribute.
13 * src/print-xml.c (print_grammar): For each terminal that has a
14 precedence or associativity, add a prec or assoc attribute.
15 (xml_indent): New.
16 (xml_puts): Use xml_indent.
17 (xml_printf): Use xml_indent.
18 * src/print-xml.h (xml_indent): Prototype.
19
20 * tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
21 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
22
23 2007-12-08 Joel E. Denny <jdenny@ces.clemson.edu>
24
25 * data/xslt/bison.xsl (bison:ruleNumber): Rename to...
26 (bison:ruleByNumber): ... this for clarity.
27 * data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
28 * data/xslt/xml2text.xsl (xsl:template match="item"): Update.
29 (xsl:template match="reduction"): Update.
30 (xsl:template match="item"): Update.
31 (xsl:template match="reduction"): Update.
32
33 In the XML output, don't print the list of rules where symbols appear.
34 Compute it in XSLT instead. Discussed at
35 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
36 * data/xslt/bison.xsl (bison:ruleByLhs): New.
37 (bison:ruleByRhs): New.
38 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
39 bison:ruleByRhs.
40 (xsl:template match="terminal/rule"): Remove.
41 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
42 bison:ruleByRhs.
43 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
44 Remove.
45 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
46 bison:ruleByRhs and mode="number-link" for rule template.
47 (xsl:template match="terminal/rule"): Remove.
48 (xsl:template match="nonterminal"): Use bison:ruleByLhs and
49 bison:ruleByRhs and mode="number-link" for rule template.
50 (xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
51 Rewrite as...
52 (xsl:template match="rule" mode="number-link"): ... this.
53 * src/print-xml.c (print_grammar): Don't print the list of rules.
54
55 2007-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
56
57 Don't let --report affect XML output; always print all information.
58 Discussed at
59 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
60 * src/conflicts.c (log_resolution): Implement.
61 * src/print-xml.c (print_core): Implement.
62 (print_state): Implement.
63 (print_xml): Implement.
64
65 * NEWS (2.3a+): Fix quotes.
66 * src/parse-gram.y (prologue_declaration): For consistency with -v,
67 don't let %verbose clear the list specified by --report.
68
69 2007-11-26 Akim Demaille <akim@epita.fr>
70
71 * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl.
72
73 2007-11-24 Joel E. Denny <jdenny@ces.clemson.edu>
74
75 In the XML output, list useless and unused symbols and rules with the
76 useful ones and add a "usefulness" attribute. Discussed starting at
77 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
78 * src/gram.c (grammar_rules_partial_print_xml): Remove.
79 (grammar_rules_print_xml): Print all rules instead of just those
80 useful in the grammar, and add a "usefulness" attribute.
81 * src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
82 * src/print-xml.c (print_rules_useless_in_parser): Remove.
83 (print_grammar): Print all nonterminals instead of just useful ones,
84 and add a "usefulness" attribute to nonterminals and terminals.
85 (print_xml): Don't print a separate "reductions" or
86 "rules-useless-in-parser" element.
87 * src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
88 (reduce_xml): Remove.
89 (reduce_token_unused_in_grammar): New.
90 (reduce_nonterminal_useless_in_grammar): New.
91 * src/reduce.h (reduce_xml): Remove prototype.
92 (reduce_token_unused_in_grammar): Add prototype.
93 (reduce_nonterminal_useless_in_grammar): Add prototype.
94 * data/xslt/xml2text.xsl: Update for XML changes.
95 * data/xslt/xml2xhtml.xsl: Update for XML changes.
96 * tests/reduce.at (Useless Terminals): Update output.
97 (Useless Rules): Update output.
98 (Reduced Automaton): Update output.
99
100 Say "Terminals unused in grammar" instead of "Unused terminals".
101 * NEWS (2.3a+): Update.
102 * doc/bison.texinfo (Understanding): Update example output.
103 * src/reduce.c (reduce_output): Implement.
104 * data/xslt/xml2text.xsl: Implement.
105 * data/xslt/xml2xhtml.xsl: Implement.
106
107 2007-11-18 Joel E. Denny <jdenny@ces.clemson.edu>
108
109 Accept --report-file=FILE to override the default `.output' filename.
110 * NEWS (2.3a+): Mention.
111 * doc/bison.texinfo (Bison Options): Add an entry.
112 * src/files.c (compute_output_file_names): Don't override
113 spec_verbose_file if already set.
114 * src/getargs.c (usage): Document --report-file.
115 (REPORT_FILE_OPTION): New anonymous enum member.
116 (long_options): Add entry for it.
117 (getargs): Add case for it setting spec_verbose_file.
118
119 * build-aux/cross-options.pl: Don't record a short option just because
120 there's an arg.
121 * doc/.cvsignore: Add yacc.1.
122
123 2007-11-14 Akim Demaille <akim@epita.fr>
124
125 * doc/yacc.1.in: New.
126 * configure.ac, doc/Makefile.am: Adjust.
127 * configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
128 config.h symbol.
129 Use AC_SUBST for assignments too.
130 * src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
131
132 2007-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
133
134 * src/gram.c: Remove comments that duplicate comments in gram.h.
135
136 When reporting useless rules and nonterminals, say "useless in grammar"
137 instead of "useless", and say "useless in parser" instead of "never
138 reduced". Discussed starting at
139 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
140 * NEWS (2.3a+): Mention this change.
141 * data/xslt/xml2text.xsl: Update output text and expected input XML
142 element names to match changes below.
143 * data/xslt/xml2xhtml.xsl: Likewise.
144 (xsl:template match="bison-xml-report"): Add missing entry in Table of
145 Contents: "Rules useless in parser due to conflicts".
146 * doc/bison.texinfo (Decl Summary): Reword a little.
147 (Understanding): Update example output for changes below.
148 * src/gram.c: (rule_useful_p): Rename to...
149 (rule_useful_in_grammar_p): ... this.
150 (rule_useless_p): Rename to...
151 (rule_useless_in_grammar_p): ... this.
152 (rule_never_reduced_p): Rename to...
153 (rule_useless_in_parser_p): ... this.
154 (grammar_rules_print): Update for renames.
155 (grammar_rules_print_xml): Update for renames.
156 (grammar_rules_never_reduced_report): Rename to...
157 (grammar_rules_useless_report): ... this since it is used for either
158 kind of useless rule.
159 * src/gram.h: Reword comments and update function names in prototypes.
160 * src/main.c (main): Say "rule useless in parser due to conflicts".
161 * src/print-xml.c (print_rules_never_reduced): Rename to...
162 (print_rules_useless_in_parser): ... this, and rename output XML
163 element "rules-never-reduced" to "rules-useless-in-parser".
164 (print_xml): Update for rename.
165 * src/print.c (print_results): Say "Rules useless in parser due to
166 conflicts".
167 * src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
168 (nonterminals_reduce): Say "nonterminal useless in grammar".
169 (reduce_output): Say "Nonterminals useless in grammar".
170 Say "Rules useless in grammar".
171 (reduce_xml): Rename output XML element "useless" to
172 "useless-in-grammar".
173 (reduce_print): Don't report the count of grammatically useless rules
174 as "rules never reduced" just because %yacc is specified.
175 In the correct report of this count, say nonterminal(s) and rule(s)
176 "useless in grammar".
177 * tests/conflicts.at (S/R in initial): Update expected output.
178 (Defaulted Conflicted Reduction): Likewise.
179 (Unreachable States After Conflict Resolution): Likewise.
180 * tests/existing.at (GNU pic Grammar): Likewise.
181 * tests/reduce.at (Useless Nonterminals): Likewise.
182 (Useless Rules): Likewise.
183 (Reduced Automaton): Likewise.
184 (Underivable Rules): Likewise.
185 (Empty Language): Likewise.
186
187 2007-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
188
189 * data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
190 here document and before the EOF so that BSD's implementation of Bourne
191 shell doesn't parse the delimiter as part of the here document.
192 * doc/.cvsignore: Add cross-options.texi.
193 * src/getargs.c (usage): Add a blank line after the warning categories.
194
195 2007-11-08 Paolo Bonzini <bonzini@gnu.org>
196
197 * data/lalr1.java (Lexer): Remove usage of b4_pure_if.
198
199 2007-11-05 Akim Demaille <akim@epita.fr>
200
201 Remove Id: from bison.1.
202 * doc/Makefile.am (remove_time_stamp): Include the sed invocation.
203 (perl -0777 -pi -e 's/\.PP\nId): New.
204 (.x.1): Use it to ignore the version control revision.
205
206 2007-11-05 Akim Demaille <demaille@gostai.com>
207
208 * build-aux/Makefile.am: Ship cross-options.pl.
209 * doc/Makefile.am: Always refer to cross-options.texi with
210 $(srcdir).
211 (MAINTAINERCLEANFILES): Add it.
212
213 2007-11-04 Akim Demaille <demaille@gostai.com>
214
215 Generate the long/short option cross-table.
216 * build-aux/cross-options.pl: New.
217 * doc/Makefile.am (cross-options.texi): New.
218 * doc/bison.texinfo: Use it.
219
220 2007-11-04 Akim Demaille <demaille@gostai.com>
221
222 Generate bison.1 using help2man.
223 * doc/common.x, doc/bison.x: New.
224 * doc/Makefile.am (bison.1, .x.1): New.
225 The code is taken from autoconf-2.61/man/Makefile.am.
226 * configure.ac: Look for help2man.
227
228 2007-11-04 Akim Demaille <demaille@gostai.com>
229
230 Complete --help.
231 * src/getargs.c (usage): Document -W, make it clear that -d,
232 -g and -x have optional arguments.
233
234 2007-11-04 Akim Demaille <demaille@gostai.com>
235
236 Find sha1sum when named gsha1sum.
237 * bootstrap (find_tool): New.
238 ($SHA1SUM): New.
239
240 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
241
242 Deprecate %pure-parser and add `%define api.pure'. Discussed starting
243 at
244 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
245 * NEWS (2.3a+): Mention.
246 * data/bison.m4 (b4_pure_if): Don't define it here.
247 * data/c.m4 (b4_identification): Depend on individual skeletons to
248 define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
249 values of the %define variables api.pure or api.push_pull. Define
250 YYPURE, YYPUSH, and YYPULL accordingly.
251 * data/glr.c: Define b4_pure_if based on `%define api.pure' unless
252 glr.cc has already defined b4_pure_flag.
253 * data/push.c: Define b4_pure_if based on `%define api.pure'.
254 Remove YYPUSH and YYPULL since they're back in b4_identification again.
255 * data/yacc.c Define b4_pure_if based on `%define api.pure'.
256 * doc/bison.texinfo (Pure Decl): Update.
257 (Push Decl): Update.
258 (Decl Summary): Add api.pure to %define entry.
259 In %pure-parser entry, say it's deprecated and reference %define.
260 (Pure Calling): Update.
261 (Error Reporting): Update.
262 (C++ Scanner Interface): Update.
263 (How Can I Reset the Parser): Update.
264 (Table of Symbols): In %pure-parser entry, say it's deprecated and
265 reference %define.
266 * src/getargs.c (pure_parser): Remove global variable.
267 * src/getargs.h (pure_parser): Remove extern.
268 * src/output.c (prepare): Don't define pure_flag muscle.
269 * src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
270 wrapper around `%define api.pure'.
271 * tests/calc.at (Simple LALR Calculator): Update.
272 (Simple GLR Calculator): Update.
273 * tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
274 Update.
275 (GLR: Resolve ambiguity, pure, locations): Update.
276 (GLR: Merge conflicting parses, pure, no locations): Update.
277 (GLR: Merge conflicting parses, pure, locations): Update.
278 * tests/glr-regression.at (Uninitialized location when reporting
279 ambiguity): Update
280 * tests/input.at (Unused %define api.pure): New test case.
281 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
282 AT_PURE_IF and AT_PURE_AND_LOC_IF.
283 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
284
285 2007-10-28 Joel E. Denny <jdenny@ces.clemson.edu>
286
287 %define push_pull -> %define api.push_pull. Discussed starting at
288 <http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00005.html>.
289 * data/push.c: Expect the new name.
290 * data/yacc.c: Likewise.
291 * doc/bison.texinfo (Push Decl): Update.
292 (Decl Summary): Update %define entry.
293 (Push Parser Function): Update.
294 (Pull Parser Function): Update.
295 (Parser Create Function): Update.
296 (Parser Delete Function): Update.
297 * tests/calc.at (Simple LALR Calculator): Update.
298 * tests/input.at (%define enum variables): Update.
299 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
300 (Push Parsing: Multiple impure instances): Update.
301 (Push Parsing: Unsupported Skeletons): Update.
302 * tests/torture.at (Exploding the Stack Size with Alloca): Update.
303 (Exploding the Stack Size with Malloc): Update.
304
305 * NEWS (2.3a+): Add an entry for the push parser, and clean up the
306 other entries some.
307
308 2007-10-27 Joel E. Denny <jdenny@ces.clemson.edu>
309
310 For the XML output's terminal element, rename @number to @token-number,
311 and add @symbol-number. In the nonterminal element, rename @number to
312 @symbol-number. Discussed starting at
313 <http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
314 * data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
315 renames.
316 (xsl:template match="nonterminal"): Likewise.
317 * data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
318 (xsl:template match="nonterminal"): Likewise.
319 * src/print-xml.c (print_grammar): Implement.
320
321 2007-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
322
323 * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
324 2007-10-11 change, the child elements here are items not rules.
325 (xsl:template match="item"): New.
326 (xsl:template match="rule"): Update for new reduced itemset.
327 (xsl:template match="point"): Remove.
328 (xsl:template match="empty"): For consistency with --graph, don't
329 output "/* empty */".
330 * data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
331 line-wrap, don't pass a negative value as first-line-length since this
332 won't work with the following changes.
333 (xsl:template name="line-wrap"): Simplify slightly.
334 (xsl:template name="ws-search"): Eliminate recursion.
335 * src/print_graph.c (print_core): Don't print a reduction's lookahead
336 set next to an item whose dot is not at the end of the RHS even if it
337 happens to be associated with the same rule.
338
339 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
340
341 Add %define lr.keep_unreachable_states.
342 * NEWS (2.3a+): Mention it in the entry for unreachable state removal.
343 * doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
344 * src/main.c (main): Implement it.
345 * tests/conflicts.at (Unreachable States After Conflict Resolution):
346 Extend to test it, and fix a typo.
347
348 2007-10-19 Joel E. Denny <jdenny@ces.clemson.edu>
349
350 * NEWS (2.3a+): Add entry for recent .output file lookahead set fix.
351 * doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
352 the example .output text.
353 * tests/regression.at (Extra lookahead sets in report): Improve wording
354 of comments.
355
356 2007-10-17 Wojciech Polak <polak@gnu.org>
357
358 * src/print-xml.c (print_grammar): Renamed
359 <terminal> and <nonterminal> attributes:
360 "type" to "number" and "symbol" to "name".
361 * data/xslt/xml2text.xsl (xsl:template match="terminal"):
362 Use new attribute names.
363 (xsl:template match="nonterminal"): Likewise.
364 * data/xslt/xml2xhtml.xsl: Likewise.
365
366 2007-10-17 Joel E. Denny <jdenny@ces.clemson.edu>
367
368 * doc/bison.texinfo (Bison Options): Add entry for --print-datadir.
369 (Option Cross Key): Likewise.
370
371 * src/print-xml.c (print_core): Don't print a reduction's lookahead set
372 next to an item whose dot is not at the end of the RHS even if it
373 happens to be associated with the same rule.
374 * src/print.c (print_core): Likewise.
375 * tests/conflicts.at (Unresolved SR Conflicts): Update output.
376 (Resolved SR Conflicts): Update output.
377 * tests/regression.at (Extra lookahead sets in report): New test case.
378
379 2007-10-11 Wojciech Polak <polak@gnu.org>
380
381 * src/print-xml.c (print_core): Remove item set
382 redundancy.
383 * data/xslt/bison.xsl (bison:ruleNumber): New key.
384 Improve processing time. Suggested by Joel E. Denny.
385 * data/xslt/xml2dot.xsl (xsl:template name="escape"):
386 Write xsl:param "required" attribute as comment.
387 * data/xslt/xml2text.xsl (xsl:template match="item"): New.
388 (xsl:template match="rule"): Support new reduced itemset.
389 (xsl:template match="point"): Remove.
390 * data/xslt/xml2xhtml.xsl: Likewise.
391
392 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
393
394 * src/getargs.c (version): Update copyright year.
395
396 2007-10-09 Joel E. Denny <jdenny@ces.clemson.edu>
397
398 Make xml2dot.xsl and --graph produce the same output.
399 * data/xslt/xml2dot.xsl (xsl:template match="rule"): Use a `&#10;'
400 instead of a `\n'. That is, don't add escapes yet or they'll be doubly
401 escaped later.
402 (xsl:template name="output-node"): Use the new escape template instead
403 of the string-replace template directly.
404 (xsl:template name="output-edge"): Likewise.
405 (xsl:template name="escape"): New, escapes backslashes and newlines in
406 addition to quotation marks.
407 * src/graphviz.c (start_graph, output_node, output_edge): Add
408 whitespace to output for legibility.
409
410 Make xml2text.xsl and --report produce the same output, and remove the
411 XML "conflicts" element since a conflict summary is easily extracted
412 from the automaton.
413 * data/xslt/bison.xsl: New.
414 (xsl:template match="state" mode="bison:count-conflicts): New.
415 * data/xslt/xml2text.xsl: Import bison.xsl.
416 (xsl:template match="bison-xml-report"): Instead of styling the
417 "conflicts" element, style the "automaton" element with mode
418 "conflicts". Unlike the former, the latter lists S/R and R/R
419 conflicts for a state on the same line.
420 (xsl:template match="conflicts"): Remove.
421 (xsl:template match="conflict"): Remove.
422 (xsl:template match="terminal"): Line-wrap the list of rules in which
423 the terminal is used.
424 (xsl:template match="nonterminal"): Likewise for nonterminals.
425 (xsl:template match="automaton" mode="conflicts"): New.
426 (xsl:template match="state" mode="conflicts"): New.
427 (xsl:template name="line-wrap"): New.
428 (xsl:template name="ws-search"): New.
429 * data/xslt/xml2xhtml.xsl: Import bison.xsl.
430 (xsl:template match="bison-xml-report"): Instead of styling the
431 "conflicts" element, style the "automaton" element with mode
432 "conflicts."
433 (xsl:template match="conflicts"): Remove.
434 (xsl:template match="conflict"): Remove.
435 (xsl:template match="automaton" mode="conflicts"): New.
436 (xsl:template match="state" mode="conflicts): New.
437 * src/conflicts.c (conflicts_output_xml): Remove.
438 * src/conflicts.h (conflicts_output_xml): Remove prototype.
439 * src/print-xml.c (print_xml): Don't invoke conflicts_output_xml.
440 * src/print.c (print_grammar): Consistently wrap at the 66th column so
441 the corresponding XSLT is easier. Also, never wrap between a word and
442 the comma that follows it.
443
444 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
445
446 Improve C++ namespace support. Discussed starting at
447 <http://lists.gnu.org/archive/html/help-bison/2007-09/msg00016.html>.
448 * data/c++.m4: (b4_namespace_ref, b4_namespace_open,
449 b4_namespace_close): New macros that interpret the %define variable
450 "namespace" so its value can contain "::" to indicate nested
451 namespaces.
452 * data/glr.cc (b4_namespace): Don't define, and replace all uses with
453 the above macros.
454 * data/lalr1.cc (b4_namespace): Likewise.
455 * data/location.cc (b4_namespace): Likewise.
456 * doc/bison.texinfo (Decl Summary): Move `%define push_pull' entry
457 inside a new table in the general %define entry. Document `%define
458 namespace' there as well. Point the %name-prefix entry to it since it
459 explains it more completely in the case of C++.
460 (C++ Bison Interface): Mention `%define namespace' instead of
461 %name-prefix.
462 (Table of Symbols): Remove the `%define push_pull' entry. The %define
463 entry suffices.
464 * tests/c++.at (Relative namespace references): New test case.
465 (Absolute namespace references): New test case.
466 (Syntactically invalid namespace references): New test case.
467 * tests/input.at (C++ namespace reference errors): New test case.
468
469 2007-10-08 Joel E. Denny <jdenny@ces.clemson.edu>
470
471 Add syncline support and location accessor to internal %define
472 interfaces.
473 * data/bison.m4 (b4_percent_define_get_loc): New.
474 (b4_percent_define_get_syncline): New.
475 (b4_percent_define_flag_if): Use b4_percent_define_get_loc.
476 (b4_percent_define_default): Record defining location as line 1 rather
477 than 0 for the sake of synchronizing #line's, and define
478 b4_percent_define_syncline(VARIABLE).
479 (b4_percent_define_check_values): Use b4_percent_define_get_loc.
480 * src/muscle_tab.c (muscle_syncline_grow): New.
481 (muscle_code_grow): Use muscle_syncline_grow.
482 (muscle_percent_define_insert): Use muscle_percent_define_get_loc, and
483 define b4_percent_define_syncline(VARIABLE).
484 (muscle_percent_define_get_loc): New.
485 (muscle_percent_define_get_syncline): New.
486 (muscle_percent_define_flag_if): Use muscle_percent_define_get_loc, and
487 remove some unused variables.
488 (muscle_percent_define_default): Record defining location as line 1
489 rather than 0 for the sake of synchronizing #line's, and define
490 b4_percent_define_syncline(VARIABLE).
491 (muscle_percent_define_check_values): Use
492 muscle_percent_define_get_loc.
493 * src/muscle_tab.h (muscle_percent_define_get_loc): Prototype.
494 (muscle_percent_define_get_syncline): Prototype.
495 * tests/skeletons.at (%define Boolean variables: invalid skeleton
496 defaults): Update output for location change.
497 (Complaining during macro argument expansion): Extend to test
498 b4_percent_define_get_loc and b4_percent_define_get_syncline errors.
499
500 2007-10-07 Joel E. Denny <jdenny@ces.clemson.edu>
501
502 Fix some error-reporting macro bugs.
503 * data/bison.m4 (b4_cat): New.
504 (b4_error, b4_error_at): Use b4_cat to send error directives directly
505 to stdout so they don't become arguments to other macros. Update
506 comments and add examples.
507 (b4_warn, b4_warn_at, b4_complain, b4_complain_at): Update comments and
508 add examples.
509 (b4_fatal, b4_fatal_at): Likewise, and invoke m4_exit(1) immediately
510 after printing the error directive so that M4 doesn't report subsequent
511 problems that are induced by this problem.
512 * src/scan-skel.l: Recognize @` digraph outside of directive arguments
513 instead of just in them. Recognize @\n in both places. Both expand to
514 the empty string. Needed by b4_cat.
515 * tests/skeletons.at (Complaining during macro argument expansion):
516 New test case.
517 (Fatal errors make M4 exit immediately): New test case.
518
519 2007-10-04 Joel E. Denny <jdenny@ces.clemson.edu>
520
521 Implement --print-datadir.
522 * src/getargs.c (usage): Mention.
523 (PRINT_DATADIR_OPTION): New anonymous enum member.
524 (long_options): Add entry for it.
525 (getargs): Add case for it calling compute_pkgdatadir.
526 * src/output.c (output_skeleton): Encapsulate data directory
527 computation from here...
528 (prepare): ... and from here...
529 (compute_pkgdatadir): ... into this new function.
530 * src/output.h (compute_pkgdatadir): Prototype.
531
532 2007-09-29 Joel E. Denny <jdenny@ces.clemson.edu>
533
534 * src/print-xml.c (escape_bufs): New static global variable
535 replacing...
536 (xml_escape_n): ... the static local variable buf here.
537 (print_xml): Free memory for escape_bufs.
538 * src/reduce.c (reduce_xml): XML-escape terminal symbol tags.
539
540 2007-09-25 Joel E. Denny <jdenny@ces.clemson.edu>
541
542 Replace `%push-parser' and `%push-pull-parser' with
543 `%define push_pull "push"' and `%define push_pull "both"'.
544 `%define push_pull "pull"' is the default.
545 * doc/bison.texinfo (Push Decl, Push Parser Function,
546 Pull Parser Function, Parser Create Function, Parser Delete Function):
547 Update declarations.
548 (Decl Summary, Table of Symbols): Replace %push-parser and
549 %push-pull-parser entries with a %define push_pull entry.
550 * data/bison.m4 (b4_percent_define_check_values): New macro.
551 (b4_pull_if, b4_push_if, b4_use_push_for_pull_if): Move these
552 definitions...
553 * data/c.m4 (b4_identification): ... and the YYPUSH and YYPULL cpp
554 definitions...
555 * data/push.c: ... to here and compute them from the value of the
556 %define variable push_pull.
557 * data/c-skel.m4: Instead of choosing the push.c skeleton for push
558 parsing requests here...
559 * data/yacc.c: ... hack this to switch to push.c any time
560 b4_use_push_pull_flag or the %define variable push_pull is set. This
561 will go away when we mv push.c yacc.c.
562 * data/c++-skel.m4, data/glr.c, data/java-skel.m4: Don't report that
563 push parsing is not supported since unused %define variables are
564 reported anyway.
565 * src/getargs.c, src/getargs.h (pull_parser, push_parser): Remove.
566 * src/muscle_tab.h (muscle_percent_define_check_values): Update
567 comments for consistency with b4_percent_define_check_values.
568 * src/output.c (prepare): Don't insert b4_pull_flag and b4_push_flag
569 muscles.
570 * src/parse-gram.y (PERCENT_PUSH_PARSER, PERCENT_PUSH_PULL_PARSER):
571 Remove.
572 (prologue_declaration): Remove %push-parser and %push-pull-parser
573 rules.
574 * src/scan-gram.l (%push-parser, %push-pull-parser): Remove rules.
575 * tests/calc.at: Update declarations.
576 * tests/input.at (%define enum variables): New test case.
577 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update
578 declaration.
579 (Push Parsing: Multiple impure instances): Update declaration.
580 (Push Parsing: Unsupported Skeletons): New test case.
581 * tests/torture.at (Exploding the Stack Size with Alloca): Update
582 declaration.
583 (Exploding the Stack Size with Malloc): Update declaration.
584
585 2007-09-24 Wojciech Polak <polak@gnu.org>
586
587 Add XSLT transformations.
588
589 * data/xslt/xml2dot.xsl: Transform XML into DOT.
590 * data/xslt/xml2text.xsl: Transform XML into plain text.
591 * data/xslt/xml2xhtml.xsl: Transform XML into XHTML.
592 * data/Makefile.am (xsltdir): New variable.
593 (dist_xslt_DATA): Add xslt/*.xsl files.
594
595 2007-09-23 Paul Eggert <eggert@cs.ucla.edu>
596
597 * src/conflicts.c (log_resolution): Fix indenting bugs I introduced.
598 Problem reported by Wojciech Polak.
599 * src/print-xml.c (xml_puts): Work even if LEVEL exceeds INT_MAX/2.
600 (xml_printf): Undo change I made on 21 September; that is,
601 indent 2 spaces, not 1.
602
603 2007-09-23 Joel E. Denny <jdenny@ces.clemson.edu>
604
605 Pacify ./configure --enable-gcc-warnings.
606 * src/print-xml.c, src/print-xml.h (xml_puts): Make third argument
607 `char const *' instead of `char *'.
608 * src/state.c (state_rule_lookahead_tokens_print_xml): Remove unused
609 local variable `sep'.
610
611 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
612
613 * src/gram.c (rule_rhs_print_xml): Now static, since it isn't used
614 elsewhere.
615 * src/print-xml.c: Prefer "const" after types; that's more consistent.
616 (xml_printf): Indent just 1 space for level.
617 (e_char, xlate_char): Remove.
618 (xml_escape_string): Rewrite to avoid undefined behavior (used
619 storage that was freed from the stack).
620 (xml_escape_n): Don't bother checking for subscript error.
621
622 2007-09-21 Wojciech Polak <polak@gnu.org>
623
624 Add Bison XML Automaton Report.
625
626 Add support for an -x option to generate an XML report.
627 It is not documented yet.
628 * src/print-xml.c: New file.
629 * src/print-xml.h: Likewise.
630 * lib/timevar.def (TV_XML): New var.
631 * src/Makefile.am (bison_SOURCES): Add print-xml.c, print-xml.h.
632 * src/conflicts.c: Include print-xml.h.
633 (solved_conflicts_xml_obstack): New var.
634 (log_resolution, conflicts_solve, conflicts_free):
635 Add support for XML report.
636 (conflicts_output_val): New function.
637 * src/conflicts.h (conflicts_output_val): New decl.
638 * src/files.c (spec_xml_file): New var.
639 (compute_output_file_names, output_file_names_free): Add XML support.
640 * src/files.h (spec_xml_file): New decl.
641 * src/getargs.c (xml_flag): New var.
642 (usage, short_options, long_options, getargs): Add XML support.
643 * src/getargs.h (xml_flag): New decl.
644 * src/gram.c: Include print-xml.h.
645 (rule_lhs_print_xml, rule_rhs_print_xml):
646 (grammar_rules_partial_print_xml, grammar_rules_print_xml):
647 New functions.
648 * src/gram.h: Declare external ones.
649 * src/main.c: Include print-xml.h.
650 (main): Add XML support.
651 * src/reduce.c: Include print-xml.h.
652 (reduce_xml): New function.
653 * src/reduce.h: Declare it.
654 * src/state.c: Include print-xml.h.
655 (state_new): Add XML support.
656 (state_rule_lookahead_tokens_print_xml): New function.
657 * src/state.h: Declare it.
658 (struct state): New member solved_conflicts_xml.
659 * src/symtab.c (symbol_class_get_string): New function.
660 * src/symtab.h: Declare it.
661
662 2007-09-21 Paul Eggert <eggert@cs.ucla.edu>
663
664 * GNUmakefile: Switch to coreutils's version.
665 * bootstrap: Likewise.
666 * Makefile.cfg: Adjust to new GNUmakefile.
667 * README-hacking: Likewise.
668
669 Import from gnulib:
670
671 2006-08-18 Paul Eggert <eggert@cs.ucla.edu>
672 Bruno Haible <bruno@clisp.org>
673
674 * m4/bison-i18n.m4 (BISON_I18N): Also handle the case where yacc exists
675 and is a script that invokes bison. Tighten the code. Add comments.
676
677 2007-08-28 Joel E. Denny <jdenny@ces.clemson.edu>
678
679 Spell "boolean" as "Boolean". Reported by Akim Demaille.
680 * data/bison.m4 (b4_percent_define_flag_if): Fix complaint.
681 * doc/bison.texinfo (Decl Summary): Fix.
682 * src/muscle_tab.c (muscle_percent_define_flag_if): Fix complaint.
683 * tests/input.at (Boolean %define variables): Update output.
684 * tests/skeletons.at (%define boolean variables: invalid skeleton
685 defaults): Rename to...
686 (%define Boolean variables: invalid skeleton defaults): ... this and
687 update output.
688
689 2007-08-17 Joel E. Denny <jdenny@ces.clemson.edu>
690
691 In impure push mode, don't allow more than one yypstate to be allocated
692 since multiple impure parsers would corrupt yynerrs.
693 * data/push.c (yypstate_allocated): New static global variable
694 initialized to 0.
695 (yypull_parse): If yypstate_new returns 0, don't report it as memory
696 exhaustion if yypstate_allocated is 1, but still return 2.
697 (yypstate_new): Invoke yyerror and return 0 if yypstate_allocated is
698 already 1. Otherwise, set it to 1.
699 (yypstate_delete): Set it to 0.
700 * tests/push.at (Push Parsing: Multiple impure instances): New test
701 case.
702
703 2007-08-17 Bob Rossi <bob@brasko.net>
704
705 * doc/bison.texinfo (Push Decl): Document the push parser.
706 (Table of Symbols): Ditto.
707 (Pure Decl): Ditto.
708 (Decl Summary): Ditto.
709 (Multiple Parsers, Push Parser Function, Pull Parser Function,
710 Parser Create Function, Parser Delete Function):
711 Add new push parser symbols.
712 (Table of Symbols): Document push-parser, push-pull-parser,
713 yypush_parse, yypull_parse, yypstate_new and yypstate_delete.
714
715 2007-08-15 Paul Eggert <eggert@cs.ucla.edu>
716
717 Update to GPLv3.
718 * doc/gpl-3.0.texi: New file.
719 * doc/gpl.texi: Remove.
720 * COPYING, GNUmakefile, HACKING, Makefile.am, Makefile.cfg:
721 * Makefile.maint, NEWS, PACKAGING, README, README-alpha:
722 * README-hacking, TODO, bootstrap, bootstrap.conf:
723 * configure.ac, data/Makefile.am, data/README, data/bison.m4:
724 * data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4:
725 * data/glr.c, data/glr.cc, data/java-skel.m4, data/java.m4:
726 * data/lalr1.cc, data/lalr1.java, data/location.cc:
727 * data/push.c, data/yacc.c, data/m4sugar/m4sugar.m4:
728 * djgpp/Makefile.maint, djgpp/README.in, djgpp/config.bat:
729 * djgpp/config.sed, djgpp/config.site, djgpp/config_h.sed:
730 * djgpp/djunpack.bat, djgpp/subpipe.c, djgpp/subpipe.h:
731 * djgpp/testsuite.sed, doc/Makefile.am, doc/bison.texinfo:
732 * doc/fdl.texi, doc/refcard.tex, etc/Makefile.am, etc/README:
733 * etc/bench.pl.in, examples/Makefile.am, examples/extexi:
734 * examples/calc++/Makefile.am, lib/Makefile.am, lib/abitset.c:
735 * lib/abitset.h, lib/bbitset.h, lib/bitset.c, lib/bitset.h:
736 * lib/bitset_stats.c, lib/bitset_stats.h, lib/bitsetv-print.c:
737 * lib/bitsetv-print.h, lib/bitsetv.c, lib/bitsetv.h:
738 * lib/ebitset.c, lib/ebitset.h, lib/get-errno.c:
739 * lib/get-errno.h, lib/lbitset.c, lib/lbitset.h:
740 * lib/libiberty.h, lib/main.c, lib/subpipe.c, lib/subpipe.h:
741 * lib/timevar.c, lib/timevar.def, lib/timevar.h:
742 * lib/vbitset.c, lib/vbitset.h, lib/yyerror.c:
743 * m4/c-working.m4, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4:
744 * m4/timevar.m4, src/LR0.c, src/LR0.h, src/Makefile.am:
745 * src/assoc.c, src/assoc.h, src/closure.c, src/closure.h:
746 * src/complain.c, src/complain.h, src/conflicts.c:
747 * src/conflicts.h, src/derives.c, src/derives.h, src/files.c:
748 * src/files.h, src/flex-scanner.h, src/getargs.c:
749 * src/getargs.h, src/gram.c, src/gram.h, src/graphviz.c:
750 * src/lalr.c, src/lalr.h, src/location.c, src/location.h:
751 * src/main.c, src/muscle_tab.c, src/muscle_tab.h:
752 * src/nullable.c, src/nullable.h, src/output.c, src/output.h:
753 * src/parse-gram.c, src/parse-gram.h, src/parse-gram.y:
754 * src/print.c, src/print.h, src/print_graph.c:
755 * src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c:
756 * src/reduce.h, src/relation.c, src/relation.h:
757 * src/revision.h, src/scan-code.h, src/scan-code.l:
758 * src/scan-gram.h, src/scan-gram.l, src/scan-skel.h:
759 * src/scan-skel.l, src/state.c, src/state.h, src/symlist.c:
760 * src/symlist.h, src/symtab.c, src/symtab.h, src/system.h:
761 * src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h:
762 * tests/Makefile.am, tests/actions.at, tests/c++.at:
763 * tests/calc.at, tests/conflicts.at, tests/cxx-type.at:
764 * tests/existing.at, tests/glr-regression.at:
765 * tests/headers.at, tests/input.at, tests/java.at:
766 * tests/local.at, tests/output.at, tests/push.at:
767 * tests/reduce.at, tests/regression.at, tests/sets.at:
768 * tests/skeletons.at, tests/synclines.at, tests/testsuite.at:
769 * tests/torture.at:
770 Update to GPLv3.
771
772 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
773
774 Get rid of broken %no-parser, -n, and --no-parser implementation and
775 documentation.
776 * TODO: Don't mention them.
777 * doc/bison.1: Likewise.
778 * doc/bison.texinfo (Decl Summary): Likewise.
779 (Bison Options): Likewise.
780 (Option Cross Key): Likewise.
781 * src/getargs.c (no_parser_flag): Remove global variable.
782 (usage): Don't print description of -n and --no-parser.
783 (long_options): Remove --no-parser entry here.
784 (getargs): Remove -n case in the switch here.
785 * src/getargs.h (no_parser_flag): Remove extern.
786 * tests/regression.at (Web2c Actions): Remove comment that mentions
787 --no-parser.
788
789 2007-08-11 Joel E. Denny <jdenny@ces.clemson.edu>
790
791 * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Do not
792 name user variables starting with `yy'. Just pass NULL instead of a
793 dummy local &yylval to yypush_parse.
794 * tests/torture.at (AT_DATA_STACK_TORTURE): Do not name user variables
795 starting with `yy'.
796
797 2007-08-03 Joel E. Denny <jdenny@ces.clemson.edu>
798
799 * data/yacc.c (yyexhaustedlab): Define it when YYERROR_VERBOSE is
800 true since it's then always used regardless of whether yyoverflow is
801 defined. Reported by Christian Burger at
802 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00031.html>.
803 * THANKS: Add Christian Burger.
804
805 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
806 node names: say "Decl Summary" not "Bison Declaration Summary".
807
808 2007-07-28 Joel E. Denny <jdenny@ces.clemson.edu>
809
810 * src/muscle_tab.c (muscle_percent_define_flag_if): In order to
811 determine whether this function has already complained about an invalid
812 value for a %define boolean variable, don't check whether Bison has
813 ever examined the value. As written, the check was a tautology.
814 Instead, record and check for this complaint using a separate muscle.
815
816 2007-07-27 Joel E. Denny <jdenny@ces.clemson.edu>
817
818 Fix push parsing memory leak reported by Brandon Lucia at
819 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00032.html>.
820 * THANKS: Add Brandon Lucia.
821 * data/push.c (yypstate_delete): Free the stack if it was reallocated
822 but the parse never completed and thus freed it.
823 * tests/Makefile.am (TESTSUITE_AT): Add push.at.
824 * tests/testsuite.at: Include push.at.
825 * test/push.at: New.
826 (Push Parsing: Memory Leak for Early Deletion): New test case.
827
828 2007-07-17 Joel E. Denny <jdenny@ces.clemson.edu>
829
830 Improve handling of multiple S/R conflicts in the same state and of S/R
831 conflicts involving multiple reductions.
832 * src/conflicts.c (resolve_sr_conflict): Don't assign the error action
833 set for a state here or Bison will abort if it is reassigned on a
834 later conflicted reduction in the same state.
835 Similarly, don't finalize and assign the solved conflicts report here
836 or it will be lost if it is reassigned on a later conflicted reduction
837 in the same state.
838 (set_conflicts): Instead, assign them both here after all S/R conflicts
839 in the state have been fully examined.
840 * src/print.c (shift_set): Rename to...
841 (no_reduce_set): ... this.
842 (print_reductions): Update for rename, and add %nonassoc error action
843 tokens to no_reduce_set so that, when printing the first remaining
844 reduction on an error action token, the reduction is enclosed in
845 brackets.
846 (print_results): Update for rename.
847 * tests/conflicts.at (Solved conflicts report for multiple reductions
848 in a state): New test case.
849 (%nonassoc error actions for multiple reductions in a state): New test
850 case.
851
852 * src/main.c (main): Don't depend on C99 features.
853
854 2007-07-16 Joel E. Denny <jdenny@ces.clemson.edu>
855
856 * build-aux/.cvsignore: Add compile.
857 * lib/.cvsignore: Add charset.alias, ref-add.sed, ref-del.sed, and
858 uniwidth.
859
860 2007-07-10 Joel E. Denny <jdenny@ces.clemson.edu>
861
862 * bootstrap (slurp): Create target directories that don't exist.
863 Specifically, we need lib/uniwidth/ because of recent Gnulib changes.
864
865 2007-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
866
867 * LR0.c (new_itemsets): Fix wording in comments: say item index rather
868 than item number.
869 * closure.c (closure): Likewise.
870 * state.h (reductions): Comment sorting of rules.
871 (state): Comment sorting of items.
872
873 2007-07-02 Joel E. Denny <jdenny@ces.clemson.edu>
874
875 Fix C++ test cases after recent Gnulib changes. Discussed starting at
876 <http://lists.gnu.org/archive/html/bug-bison/2007-07/msg00000.html>.
877 * examples/calc++/Makefile.am (DEFAULT_INCLUDES): Override Automake's
878 definition in order to avoid Gnulib headers since we don't use config.h
879 here.
880 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Use AT_DATA_GRAMMAR
881 rather than AT_DATA so that config.h is included.
882
883 2007-07-01 Joel E. Denny <jdenny@ces.clemson.edu>
884
885 * data/glr.c (yy_yypstack, yypstates, yypdumpstack): Use YYFPRINTF
886 instead of fprintf. Guard these functions with #if YYDEBUG instead of
887 #ifdef YYDEBUG for consistency with all other uses of YYDEBUG in Bison
888 and so that YYFPRINTF is guaranteed to be defined here.
889
890 2007-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
891
892 * src/muscle_tab.c (muscle_percent_define_invalid_value): Replace
893 with...
894 (muscle_percent_define_check_values): ... this more helpful function.
895 Again, it's not used yet, but it will be.
896 * src/muscle_tab.h: Likewise.
897
898 Improve some comments in parser table construction.
899 * src/LR0.c (new_itemsets): Explain sorting of itemset and kernel_base.
900 (generate_states): Don't mention ruleset, which is internal to closure.
901 * src/closure.c (closure): Explain sorting of core and itemset, which
902 is required for this function to behave correctly.
903 * src/closure.h (closure): Mention sorting.
904
905 2007-05-28 Joel E. Denny <jdenny@ces.clemson.edu>
906
907 * src/lalr.c (state_lookahead_tokens_count): For code readability,
908 move the check for disabled transitions to an aver since conflict
909 resolution hasn't happened yet.
910
911 * src/lalr.c (state_lookahead_tokens_count): Remove the check that
912 labels a state as inconsistent just because it has error transitions.
913 The original form of this check appeared in revision 1.1 of lalr.c,
914 which was committed on 1991-12-21. Now (at least), changing the
915 consistency label on such a state appears to have no useful effect in
916 any of the places it is examined, which I enumerate below. The key
917 point to understanding each item in this enumeration is that a state
918 with an error transition is labelled consistent in the first place only
919 if it has no rules, so the check cannot matter for states that have
920 rules. (1) Labelling a state as inconsistent will cause set_conflicts
921 to try to identify its conflicts, and a state must have *rules* to have
922 conflicts. (2) Labelling a state as inconsistent will affect how
923 action_row sets the default *rule* for the state. (3) Labelling a
924 state as inconsistent will cause build_relations to add lookback edges
925 to *rules* in that state.
926 * src/state.h (struct state): Word the comment for member consistent
927 more carefully.
928
929 2007-05-27 Joel E. Denny <jdenny@ces.clemson.edu>
930
931 Don't depend on C99 features.
932 * src/conflicts.c (conflicts_update_state_numbers): Fix for-loop.
933 * src/lalr.c (lalr_update_state_numbers): Fix for-loop.
934 * src/reader.c (check_and_convert_grammar): Fix for-loop.
935 * src/state.c (state_mark_reachable_states): Fix for-loop.
936 (state_remove_unreachable_states): Fix for-loop.
937
938 Don't widen struct state with member reachable just to temporarily
939 record reachability. Instead, use a local bitset.
940 * src/state.h (struct state): Remove member.
941 * src/state.c (state_new): Don't initialize it.
942 (state_mark_reachable_states): Rename to...
943 (state_record_reachable_states): ... this, and use bitset.
944 (state_remove_unreachable_states): Use bitset.
945
946 2007-05-26 Joel E. Denny <jdenny@ces.clemson.edu>
947
948 * src/Makefile.am (yacc): Quote target action commands properly so
949 that the yacc script isn't corrupt. Reported by Hans Aberg at
950 <http://lists.gnu.org/archive/html/bug-bison/2007-05/msg00003.html>.
951
952 * data/glr.c (yylval): As in yacc.c, don't extern in the header for
953 the case of pure parsers. Reported by Frans Englich at
954 <http://lists.gnu.org/archive/html/help-bison/2007-05/msg00018.html>.
955 * THANKS: Add Frans Englich.
956
957 * NEWS (2.3a+): In the %code entry, reference section `Bison
958 Declaration Summary' from the manual now since the %code summary has
959 moved there.
960 * doc/bison.texinfo (Prologue Alternatives): Mention that directives
961 in the rules section must be terminated by semicolons.
962
963 2007-05-20 Joel E. Denny <jdenny@ces.clemson.edu>
964
965 Extend the front-end API for %define variables to more completely
966 mirror the back-end. This will be useful in the future.
967 * data/bison.m4 (b4_percent_define_get, b4_percent_define_ifdef):
968 Update comments to mention the new front-end counterparts of these
969 macros.
970 * src/muscle_tab.c (MUSCLE_COMMON_DECODE): New macro with common code
971 for muscle_string_decode and muscle_location_decode.
972 (muscle_string_decode): New static function.
973 (muscle_location_decode): Use MUSCLE_COMMON_DECODE.
974 (muscle_percent_define_get, muscle_percent_define_ifdef): New
975 functions.
976 (muscle_percent_define_flag_if): Use muscle_percent_define_ifdef and
977 muscle_percent_define_get to mimic the b4_percent_define_flag_if
978 implementation more closely.
979 (muscle_percent_define_invalid_value): New function.
980 * src/muscle_tab.h (muscle_percent_define_get,
981 muscle_percent_define_ifdef, muscle_percent_define_invalid_value):
982 Prototype.
983
984 2007-05-07 Joel E. Denny <jdenny@ces.clemson.edu>
985
986 * NEWS (2.3a+): Mention yesterday's state-removal change.
987 (2.3a): Remove the %language entry, which was added after 2.3a.
988 * src/LR0.c, src/closure.c, src/closure.h, src/conflicts.c,
989 src/conflicts.h, src/lalr.c, src/lalr.h, src/print.c,
990 src/print_graph.c, src/state.c, src/state.h, tests/conflicts.at,
991 tests/existing.at: Update copyright date.
992
993 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
994
995 If conflict resolution makes states unreachable, remove those states,
996 report rules that are then unused, and don't report conflicts in those
997 states.
998 * src/conflicts.c, src/conflicts.h (conflicts_update_state_numbers):
999 New global function.
1000 * src/lalr.c, src/lalr.h (lalr_update_state_numbers): New global
1001 function.
1002 * src/main.c (main): After conflict resolution, remove the unreachable
1003 states and update all data structures that reference states by number.
1004 * src/state.c (state_new): Initialize each state's reachable member to
1005 false.
1006 (state_mark_reachable_states): New static function.
1007 (state_remove_unreachable_states): New global function.
1008 * src/state.h (struct state): Add member bool reachable.
1009 (state_remove_unreachable_states): Prototype.
1010 * tests/conflicts.at (Unreachable States After Conflict Resolution):
1011 New test case.
1012 * tests/existing.at (GNU pic Grammar): Update test case output now that
1013 an unused rule is discovered.
1014
1015 2007-05-06 Joel E. Denny <jdenny@ces.clemson.edu>
1016
1017 Minor code cleanup in parser table construction.
1018 * src/LR0.c (new_itemsets): Use item_number_is_symbol_number.
1019 (new_itemsets, save_reductions): Update for rename to nitemset.
1020 * src/closure.c (nritemset): Rename to...
1021 (nitemset): ... this since the "r" appears to meaningless and isn't
1022 used in the comments.
1023 (closure): Update for rename.
1024 * src/closure.h (nritemset): Update extern to...
1025 (nitemset): ... this.
1026 * src/lalr.c (LA): Fix a typo in comments.
1027 * src/print.c (print_core): Update for rename to nitemset.
1028 * src/print_graph.c (print_graph): Likewise.
1029 * src/state.h: Fix some typos in header comments.
1030
1031 2007-04-04 Paul Eggert <eggert@cs.ucla.edu>
1032
1033 * THANKS: Use ASCII for Sebastien Fricker's name. Bison source
1034 still sticks to ASCII. Sorry!
1035
1036 * README-hacking: New file, taken mostly from coreutils, with changes
1037 for Bison. Contains much of the contents of:
1038 * README-cvs: Remove.
1039 * bootstrap: Sync from gnulib.
1040 * build-aux/.cvsignore: Remove *.t, mkinstalldirs.
1041 * lib/.cvsignore: Add wchar.h, wctype.h. Remove exit.h.
1042
1043 2007-03-10 Joel E. Denny <jdenny@ces.clemson.edu>
1044
1045 * doc/bison.texinfo (Destructor Decl): Fix typo reported by Sebastian
1046 Setzer.
1047 (Java Differences): Fix some typos.
1048 * THANKS: Add Sebastian Setzer.
1049
1050 2007-03-07 Paolo Bonzini <bonzini@gnu.org>
1051
1052 * data/java.m4 (b4_single_class_if): Remove.
1053 (b4_abstract_if): Look at "%define abstract".
1054 (b4_lexer_if): New.
1055 (b4_union_name): Rename...
1056 (b4_yystype): ... to this. Map to "%define stype".
1057 (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl,
1058 b4_maybe_throws): Fix quoting.
1059 (b4_lex_param_call): Move below to keep b4_*_param_decl close.
1060 * data/lalr1.java (Lexer interface): Always define.
1061 (Lexer interface within parser class): Remove.
1062 (YYLexer class): New, used when "%code lexer" is present.
1063 (constructor): When "%code lexer" is used, pass %lex-param
1064 to the lexer constructor.
1065 (yylex, yyparse): Remove %lex-param from method invocations
1066 (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype.
1067
1068 * doc/bison.texinfo (Java Bison Interface): Mention "%define
1069 abstract". Rename "%define union_name" to "%define stype".
1070 Rename method names according to previous patch.
1071 (Java Scanner Interface): Describe "%code lexer" instead of
1072 "%pure-parser" and "%define single_class".
1073 (Java Differences): Mention "%code lexer".
1074
1075 * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument.
1076 Include scanner here, using macros from tests/local.at.
1077 (AT_DATA_CALC_Y): Remove final argument.
1078 (_AT_CHECK_JAVA_CALC): Likewise.
1079 (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations
1080 of %locations and %error-verbose.
1081 (main): Test with and without %lex-param.
1082 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF.
1083 (AT_BISON_OPTION_POPDEFS): Pop it.
1084
1085 2007-03-07 Juan Manuel Guerrero <juan.guerrero@gmx.de>
1086
1087 DJGPP spefic issue. Inhibit the use of disallowed characters for
1088 file name genertion on Win98, WinXP, etc. These are |<>":?*\
1089 and concern testsuite case 46.
1090 * Makefile.am: djgpp/testsuite.sed added to EXTRA_DIST
1091 * djgpp/testsuite.sed: Inhibit the use of disallowed characters.
1092 * djgpp/config.bat: Inhibit the use of disallowed characters.
1093
1094 2007-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
1095
1096 Miscellaneous %define and %code cleanup.
1097 * data/bison.m4 (b4_percent_define_flag_if): Correct comments on how
1098 values are interpreted.
1099 * doc/bison.texinfo (Decl Summary): Clean up and extend %define
1100 documentation a little more.
1101 * src/muscle_tab.c (MUSCLE_USER_NAME_CONVERT,
1102 muscle_percent_define_insert, muscle_percent_code_grow): New
1103 functions/macros.
1104 * src/muscle_tab.h (muscle_percent_define_insert,
1105 muscle_percent_code_grow): Prototype.
1106 * src/parse-gram.y (prologue_declaration): Use
1107 muscle_percent_define_insert and muscle_percent_code_grow when parsing
1108 %define and %code directives.
1109
1110 Make it easy to share %define boolean variables between the front-end
1111 and back-end. Though not used yet, this will be useful in the future.
1112 * data/bison.m4 (b4_check_user_names): Rewrite comments to talk about
1113 Bison uses of names rather than just skeleton uses of names.
1114 (b4_percent_define_get, b4_percent_define_ifdef): Rename
1115 b4_percent_define_skeleton_variables(VARIABLE) to
1116 b4_percent_define_bison_variables(VARIABLE).
1117 (b4_percent_code_get, b4_percent_code_ifdef): Rename
1118 b4_percent_code_skeleton_qualifiers(QUALIFIER) to
1119 b4_percent_code_bison_qualifiers(QUALIFIER).
1120 (b4_check_user_names_wrap): Update for renames.
1121 * src/muscle_tab.c, src/muscle_tab.h (muscle_percent_define_flag_if,
1122 muscle_percent_define_default): New functions mimicking
1123 b4_percent_define_flag_if and b4_percent_define_default.
1124
1125 For %define variables, report locations for invalid values and
1126 redefinitions.
1127 * data/bison.m4 (b4_percent_define_flag_if): Read
1128 b4_percent_define_loc(VARIABLE) to report the location of an invalid
1129 value for VARIABLE.
1130 (b4_percent_define_default): Save a special location in
1131 b4_percent_define_loc(VARIABLE) in case the default value for VARIABLE
1132 must later be reported as invalid.
1133 * src/muscle_tab.c (muscle_location_grow, muscle_location_decode): New
1134 functions.
1135 (muscle_percent_define_insert): Record the location of VARIABLE in
1136 muscle percent_define_loc(VARIABLE), and use it to report the previous
1137 location for a redefinition.
1138 (muscle_percent_define_flag_if): Update like b4_percent_define_flag_if.
1139 (muscle_percent_define_default): Update like b4_percent_define_default.
1140 (muscle_grow_user_name_list): Rename to...
1141 (muscle_user_name_list_grow): ... this for consistency and use
1142 muscle_location_grow.
1143 * src/muscle_tab.h (muscle_location_grow): Prototype.
1144 * tests/input.at (%define errors): Update expected output.
1145 * tests/skeletons.at (%define boolean variables: invalid skeleton
1146 defaults): New test case.
1147
1148 2007-02-28 Joel E. Denny <jdenny@ces.clemson.edu>
1149
1150 * src/print.c (lookahead_set, state_default_rule): Remove.
1151 (print_reductions): Replace state_default_rule invocation with
1152 equivalent use of yydefact, which was computed in token_actions in
1153 tables.c.
1154 (print_results): Don't allocate lookahead_set.
1155
1156 2007-02-27 Paolo Bonzini <bonzini@gnu.org>
1157
1158 * data/lalr1.java: Prefix all private members with yy.
1159
1160 2007-02-24 Joel E. Denny <jdenny@ces.clemson.edu>
1161
1162 Use YYFPRINTF instead of fprintf where appropriate. Reported by
1163 Sebastien Fricker at
1164 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00035.html>.
1165 * THANKS: Add Sebastien Fricker.
1166 * data/glr.c, data/push.c, data/yacc.c (yy_reduce_print): Implement.
1167 * doc/bison.texinfo (Tracing): Make it clearer that YYFPRINTF must
1168 accept a variable number of arguments.
1169
1170 2007-02-19 Joel E. Denny <jdenny@ces.clemson.edu>
1171
1172 * bootstrap: Remove occurrences of .#bootmp from lib/Makefile.
1173
1174 2007-02-13 Juan Manuel Guerrero <juan.guerrero@gmx.de>
1175
1176 * djgpp/config.bat: Adjustments concerning the use of autoconf 2.61.
1177 * djgpp/config.sed: Adjustments concerning the use of autoconf 2.61.
1178 * djgpp/config.site: Adjustments concerning the use of autoconf 2.61.
1179
1180 2007-02-11 Paul Eggert <eggert@cs.ucla.edu>
1181
1182 Undo my 2007-02-07 change, switching back to the c-strcase module
1183 introduced in the 2007-02-03 change. Bruno Haible reported that
1184 the 2007-02-07 change would be dangerous in Turkish if we add a
1185 language whose name contains "i", since "i" is not lowercase "I"
1186 in Turkish.
1187 * bootstrap.conf (gnulib_modules): Add c-strcase. Remove strcase.
1188 * lib/.cvsignore: Add c-ctype.c, c-ctype.h, c-strcase.h,
1189 c-strcasecomp.c, c-strncasecmp.c. Remove strcasecmp.c, strncasecmp.c.
1190 * m4/.cvsignore: Remove strcase.m4.
1191 * src/getargs.c: Revert 2007-02-07 change, as follows.
1192 Include c-strcase.h.
1193 (language_argmatch): Use c_strcasecmp rather than strcasecmp.
1194
1195 2007-02-11 Bruno Haible <bruno@clisp.org>
1196
1197 Enable the Java related testsuite tests when the only Java compiler
1198 found is a gcj < 4.3. Discussed at
1199 <http://lists.gnu.org/archive/html/bug-bison/2007-02/msg00016.html>.
1200 * configure.ac (gt_JAVACOMP): Don't specify a target_version.
1201
1202 2007-02-11 Joel E. Denny <jdenny@ces.clemson.edu>
1203
1204 * data/Makefile.am: Update copyright date.
1205 * data/push.c (yypull_parse): Report memory exhaustion and return 2 if
1206 yypstate_new returns NULL.
1207 (yypstate_new): Return NULL if malloc does.
1208 * src/reader.c (packgram): Move translation of rule actions from the
1209 beginning of packgram to...
1210 (check_and_convert_grammar): ... here right before packgram is invoked
1211 so it's easier to write more complete comments, and remove redundant
1212 code.
1213
1214 2007-02-10 Joel E. Denny <jdenny@ces.clemson.edu>
1215
1216 As in semantic actions, make @$ in %initial-action, %destructor, and
1217 %printer imply %locations.
1218 * src/scan-code.l (SC_SYMBOL_ACTION): Set locations_flag = true when
1219 scanning @$.
1220 * tests/actions.at (AT_CHECK_ACTION_LOCATIONS): New macro supporting...
1221 (@$ in %initial-action implies %locations,
1222 @$ in %destructor implies %locations,
1223 @$ in %printer implies %locations): ... these new test cases.
1224
1225 2007-02-07 Paul Eggert <eggert@cs.ucla.edu>
1226
1227 Undo most of the 2007-02-03 change, switching to the strcase module
1228 now that gnulib strcase has been fixed.
1229 * bootstrap.conf (gnulib_modules): Remove c-strcase. Add strcase.
1230 * lib/.cvsignore: Remove c-ctype.c, c-ctype.h, c-strcase.h,
1231 c-strcasecomp.c, c-strncasecmp.c. Add strcasecmp.c, strncasecmp.c
1232 * m4/.cvsignore: Add strcase.m4.
1233 * src/getargs.c: Revert 2007-02-03 change, as follows.
1234 Don't include c-strcase.h.
1235 (language_argmatch): Use strcasecmp rather than c_strcasecmp.
1236 strcasecmp has "unspecified behavior" outside the POSIX locale,
1237 but it works fine in practice if at least one argument is ASCII,
1238 as is the case in Bison.
1239
1240 2007-02-07 Paolo Bonzini <bonzini@gnu.org>
1241
1242 * tests/java.at: Skip tests if only one of javac/java is present.
1243 Reported by Joel E. Denny.
1244 * tests/atlocal.in: Adjust copyright years.
1245
1246 2007-02-05 Paolo Bonzini <bonzini@gnu.org>
1247
1248 * data/lalr1.java (Stack): Work around old verifiers that disallow
1249 access to the private fields of an inner class, from the outer class.
1250 We can make Stack's fields public because user code doesn't have access
1251 to the instance of Stack used by parse(). Reported by Paul Eggert.
1252
1253 2007-02-03 Paul Eggert <eggert@cs.ucla.edu>
1254
1255 * .cvsignore: Add javacomp.sh, javaexec.sh. Is this really
1256 the right spot for these files?
1257 * bootstrap.conf (gnulib_modules): Add c-strcase.
1258 * lib/.cvsignore: Add c-ctype.c c-ctype.h, c-strcasecomp.c,
1259 c-strncasecmp.c.
1260 * src/getargs.c: Include c-strcase.h.
1261 (language_argmatch): Use c_strcasecmp rather than strcasecmp,
1262 to avoid unspecified behavior.
1263
1264 2007-02-01 Joel E. Denny <jdenny@ces.clemson.edu>
1265
1266 * doc/bison.texinfo (Decl Summary): Correct typo.
1267
1268 2007-01-30 Paolo Bonzini <bonzini@gnu.org>
1269
1270 * data/bison.m4 (b4_percent_define_flag_if): Don't treat 0 as false.
1271 Complain if the value does not match empty, "true" or "false".
1272 * data/c++.m4: Adjust default definitions of %define variables.
1273 * data/java.m4: Adjust default definitions of %define variables.
1274 * doc/bison.texinfo (Decl Summary): Adjust the %define entry according
1275 to above behavior.
1276 * tests/input.at (Boolean %define variables): Test new behavior.
1277
1278 2007-01-29 Paolo Bonzini <bonzini@gnu.org>
1279
1280 * NEWS: Mention java.
1281 * TODO: Remove things that are done.
1282 * bootstrap.conf: Add javacomp-script and javaexec-script.
1283 * configure.ac: Invoke gt_JAVACOMP and gt_JAVAEXEC.
1284
1285 * data/Makefile.am: Add new files.
1286 * data/java-skel.m4: New.
1287 * data/java.m4: New.
1288 * data/lalr1.java: New.
1289
1290 * doc/bison.texinfo: Put "A Complete C++ Example" under
1291 C++ Parsers. Add Java Parsers. Put C++ Parsers and Java Parsers
1292 under Other Languages.
1293
1294 * src/getargs.c (valid_languages): Add Java.
1295 * src/getargs.h (struct bison_language): Update size of string fields.
1296
1297 * tests/Makefile.am: Add java.at.
1298 * tests/atlocal.in: Add CONF_JAVA and CONF_JAVAC.
1299 * tests/java.at: New.
1300 * tests/testsuite.at: Include it.
1301
1302 2007-01-28 Joel E. Denny <jdenny@ces.clemson.edu>
1303
1304 Clean up.
1305 * src/scan-skel.l (at_directive_perform): Add at_directive_argc and
1306 at_directive_argv arguments so these no longer have to be global
1307 variables. Also, update the implementation for the following changes.
1308 (fail_for_at_directive_too_many_args,
1309 fail_for_at_directive_too_few_args): Add at_directive_name argument.
1310 (at_directive_name): Remove as at_directive_argv[0] will be used for
1311 this now.
1312 (AT_DIRECTIVE_ARGC_MAX): Increment to make space in at_directive_argv
1313 for the directive name.
1314 (at_directive_argc, at_directive_argv): Make these local within
1315 skel_lex instead of global.
1316 (INITIAL): Update directive start action for above changes.
1317 (SC_AT_DIRECTIVE_ARG): Rename to...
1318 (SC_AT_DIRECTIVE_ARGS): ... this, and update for above changes.
1319 (SC_AT_DIRECTIVE_SKIP_WS): Update.
1320 (scan_skel): Move yylex_destroy to...
1321 (skel_scanner_free): ... here.
1322 * tests/skeletons.at (installed skeleton file name): Rename to...
1323 (installed skeleton file names): ... this.
1324
1325 2007-01-27 Joel E. Denny <jdenny@ces.clemson.edu>
1326
1327 * ChangeLog: For changes in doc/bison.texinfo, consistently reference
1328 node names: say "Table of Symbols" not "Bison Symbols", and say "Decl
1329 Summary" not "Directives".
1330 * doc/bison.texinfo (Decl Summary, Calc++ Parser): Cross-reference the
1331 %code entry in "Decl Summary" rather than the one in "Table of Symbols"
1332 since the former is now the more complete one.
1333 (Prologue Alternatives): Likewise and do the same for %defines.
1334 (Table of Symbols): Add summary of %code, add summary of %define, and
1335 move full %code documentation to...
1336 (Decl Summary): ... here for consistency with other entries in these
1337 sections.
1338 Move %define entry in order to keep this list alphabetized.
1339 Reword %define entry a little to put less emphasis on the skeleton
1340 concept, which most users shouldn't have to think about.
1341
1342 2007-01-26 Paul Eggert <eggert@cs.ucla.edu>
1343
1344 Adjust to recent gnulib changes.
1345 * lib/.cvsignore: Remove stpcpy.h, strndup.h, strnlen.h.
1346 Add string.h, string_.h, unistd_.h, wchar_.h.
1347 * m4/.cvsignore: Add gnulib-common.m4, string_h.m4, wchar.m4.
1348 * src/system.h: Don't include <stpcpy.h>; this is now done by
1349 <string.h>.
1350
1351 2007-01-23 Paolo Bonzini <bonzini@gnu.org>
1352
1353 Simplify implementation of unqualified %code, implement macros for
1354 uniform treatment of boolean %define flags. Document %define.
1355 * data/bison.m4 (b4_percent_define_ifdef, b4_percent_define_flag_if,
1356 b4_percent_code_ifdef): New.
1357 (b4_percent_code_get): Map unqualified %code to b4_percent_code().
1358 * data/c++.m4: Define default value for global_tokens_and_yystype.
1359 * data/glr.cc: Likewise.
1360 * data/location.cc: Use b4_percent_define_flag_if.
1361
1362 * doc/bison.texinfo (Decl Summary): Document %define.
1363
1364 * src/parse-gram.y (Unqualified %code): Change muscle name to
1365 b4_percent_code().
1366 (content.opt): Default to empty.
1367
1368 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
1369
1370 Implement support for relative and absolute skeleton file names.
1371 Discussed starting at
1372 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00071.html>.
1373 * doc/bison.texinfo (Decl Summary): Document in %skeleton entry.
1374 (Bison Options): Document in --skeleton entry.
1375 * src/output.c (output_skeleton): Use strncpy rather than strcpy since
1376 full_skeleton can't necessarily hold all of pkgdatadir.
1377 If the specified skeleton file name contains a `/', don't prepend
1378 pkgdatadir.
1379 * src/parse-gram.y (prologue_declaration): If the specified skeleton
1380 file name contains a `/', prepend the grammar file directory.
1381 * tests/Makefile.am (TESTSUITE_AT): Add skeletons.at.
1382 * skeletons.at: New file.
1383 (relative skeleton file names): New test case.
1384 (installed skeleton file names): New test case.
1385 * tests/testsuite.at: Include skeletons.at.
1386
1387 * bootstrap: Update copyright to 2007.
1388
1389 2007-01-17 Paolo Bonzini <bonzini@gnu.org>
1390
1391 * bootstrap: Remove occurrences of .#bootmp from the files.
1392
1393 2007-01-17 Akim Demaille <akim@epita.fr>
1394
1395 * doc/bison.texinfo (Calc++ Parser): Don't try to alias
1396 nonterminals.
1397 Use per-type %printer.
1398
1399 2007-01-17 Joel E. Denny <jdenny@ces.clemson.edu>
1400
1401 * NEWS, data/c++-skel.m4, data/c++.m4, data/c-skel.m4, data/c.m4,
1402 data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
1403 djgpp/config.site, src/files.c, src/files.h, src/main.c,
1404 src/muscle_tab.c, src/muscle_tab.h, src/parse-gram.y, src/reader.h,
1405 src/scan-skel.h, src/scan-skel.l, tests/actions.at, tests/calc.at,
1406 tests/glr-regression.at, tests/input.at, tests/local.at,
1407 tests/output.at, tests/torture.at: Update copyright to 2007.
1408
1409 2007-01-16 Akim Demaille <akim@epita.fr>
1410
1411 * doc/bison.texinfo (Calc++ Parsing Driver): Let "parse" return an
1412 error code.
1413 (Calc++ Scanner): Exit with failure if we can't open the input
1414 file.
1415 Accept "-" standing for stdin.
1416 (Calc++ Top Level): Print the result only if the parsing was
1417 successful.
1418
1419 2007-01-16 Akim Demaille <akim@epita.fr>
1420
1421 * data/lalr1.cc (yy_reduce_print_): Add a missing end-of-line.
1422
1423 2007-01-15 Paolo Bonzini <bonzini@gnu.org>
1424 and Joel E. Denny <jdenny@ces.clemson.edu>
1425
1426 Clean up %define and %code implementation in M4 some. Most
1427 importantly, rename all related macros to be in the b4_percent_define
1428 and b4_percent_code namespaces. Also, complete support for `.' in
1429 %define variable names and %code qualifiers.
1430 * data/bison.m4 (b4_check_user_names): Check for special
1431 "SKELETON-NAMESPACE(name)" macros instead of using two nested
1432 m4_foreach loops.
1433 (b4_get_percent_define, b4_get_percent_code): Rename to...
1434 (b4_percent_define_get, b4_percent_code_get): ... these.
1435 Extend documentation with examples.
1436 For SKELETON-NAMESPACE (as documented for b4_check_user_names), use
1437 b4_percent_define_skeleton_variables and
1438 b4_percent_code_skeleton_qualifiers.
1439 Expect any value for the %define variable `foo' to be stored in the
1440 macro named `b4_percent_define(foo)'; expect any %code blocks for the
1441 qualifier `foo' to be stored in a macro named `b4_percent_code(foo)';
1442 expect any unqualified %code blocks to be stored in a macro named
1443 `b4_percent_code_unqualified'.
1444 Use m4_indir so that %define variable names and %code qualifiers can
1445 contain `.', which is allowed by the grammar parser.
1446 (b4_percent_define_default): New macro to set a default value for a
1447 %define variable.
1448 (m4_wrap): Update wrapped code, and fix some underquoting.
1449 (b4_check_user_names_wrap): Update and define outside the m4_wrap.
1450 Expect grammar uses of %define variables and %code qualifiers to be
1451 defined in b4_percent_define_user_variables and
1452 b4_percent_code_user_qualifiers.
1453 * data/c++.m4: Use b4_percent_define_default rather than
1454 m4_define_default. Fix some underquoting. Skeleton usage of %define
1455 variable define_location_comparison now implies skeleton usage of
1456 %define variable filename_type.
1457 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
1458 data/push.c, data/yacc.c: Update macro names.
1459 * src/parse-gram.y (prologue_declaration, grammar_declaration): Update
1460 muscle names.
1461
1462 2007-01-14 Juan Manuel Guerrero <juan.guerrero@gmx.de>
1463
1464 DJGPP specific issues.
1465
1466 * djgpp/config.site: Set ac_cv_path_mkdir to a sane DJGPP specific
1467 default. Set gl_cv_absolute_wctype_h to a sane DJGPP specific default.
1468
1469 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
1470
1471 * tests/glr-regression.at: Use AT_PARSER_CHECK rather than AT_CHECK to
1472 run parsers in all tests so that Valgrind is invoked during
1473 maintainer-check-valgrind.
1474 (Duplicate representation of merged trees): Free all semantic values.
1475 (Duplicated user destructor for lookahead): Likewise.
1476
1477 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
1478
1479 * tests/local.at (AT_PARSER_CHECK): Add a PRE argument to specify a
1480 command-line prefix.
1481 * tests/torture.at (Exploding the Stack Size with Alloca): Stderr is
1482 ignored, so use that PRE to set --log-fd=1 in VALGRIND_OPTS so we don't
1483 miss Valgrind messages.
1484 (Exploding the Stack Size with Malloc): Likewise.
1485
1486 2007-01-09 Joel E. Denny <jdenny@ces.clemson.edu>
1487
1488 Ignore YYSTACK_USE_ALLOCA for push parsers since the stacks can't be
1489 locals. Reported by Juan Manuel Guerrero at
1490 <http://lists.gnu.org/archive/html/bug-bison/2007-01/msg00000.html>.
1491 * data/push.c: Enclose the #ifdef YYSTACK_USE_ALLOCA in b4_push_if.
1492 Fix some indentation also.
1493 * tests/torture.at (Exploding the Stack Size with Alloca): Add comment
1494 explaining this issue.
1495
1496 2007-01-09 Paolo Bonzini <bonzini@gnu.org>
1497 and Joel E. Denny <jdenny@ces.clemson.edu>
1498
1499 Simplify union and prologue handling, and escape union and lex/parse
1500 params with digraphs.
1501 * data/bison.m4 (b4_pre_prologue, b4_post_prologue): Set their default
1502 values to the empty string since these are no longer guaranteed
1503 initialized by the front-end.
1504 * data/glr.c, data/glr.cc, data/lalr1.cc, data/push.c, data/yacc.c: Add
1505 braces around b4_user_stype since this is no longer done by the
1506 front-end.
1507 * src/files.c, src/files.h (pre_prologue_obstack,
1508 post_prologue_obstack): Remove.
1509 * src/muscle_tab.c (muscle_pair_list_grow): Don't duplicate header
1510 comments here. Use MUSCLE_OBSTACK_SGROW so that values are escaped
1511 with digraphs. This fixes lex params and parse params.
1512 * src/muscle_tab.h (muscle_pair_list_grow): Update comments.
1513 * src/output.c (prepare): Remove muscle insertion of the prologues.
1514 (output): Remove freeing of pre_prologue_obstack and
1515 post_prologue_obstack.
1516 * src/parse-gram.y (prologue_declaration): Use muscle_code_grow rather
1517 than prologue_augment for prologue parsing so you don't need prologue
1518 obstacks.
1519 (grammar_declaration): For %union RHS, use `braceless' instead of
1520 "{...}" so that braces are already stripped and code is escaped with
1521 digraphs.
1522 * src/reader.c (prologue_augment): Remove.
1523 (reader): Remove initialization of pre_prologue_obstack and
1524 post_prologue_obstack.
1525 * src/reader.h (prologue_augment): Remove.
1526
1527 * data/c.m4: Remove stray parenthesis.
1528
1529 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
1530
1531 Remove quotes from variables names in %define directives and from
1532 qualifiers in %code directives, and restrict the characters that are
1533 allowed in them to M4-friendly ones. For %define, continue to support
1534 the quoted form as a deprecated feature. Discussed starting at
1535 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00023.html>.
1536 * NEWS (2.3a+): Add entry for the change to %define. Update entry for
1537 %code.
1538 * doc/bison.texinfo (Prologue Alternatives): Update.
1539 (Decl Summary): In %defines entry, update mention of `%code requires'
1540 and `%code provides'.
1541 (C++ Location Values): Update %define uses.
1542 (Calc++ Parser Interface): Likewise.
1543 (Calc++ Parser): Likewise, and update `%code requires' uses.
1544 (Table of Symbols): Update %code documentation.
1545 * src/parse-gram.y (prologue_declaration): For %define variables, use
1546 `variable' instead of `STRING'.
1547 (grammar_declaration): For %code qualifiers, use `ID' instead of
1548 `STRING'.
1549 (variable): New nonterminal that takes an `ID' or a `STRING'.
1550 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update %code
1551 and %define uses.
1552 * tests/calc.at (_AT_DATA_CALC_Y): Update %define use.
1553 * tests/input.at (Reject unused %code qualifiers): Update %code uses.
1554 (%define errors): Update %define uses.
1555
1556 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
1557
1558 * src/parse-gram.y (prologue_declaration): Use MUSCLE_INSERT_STRING
1559 instead of muscle_insert for %define values so that M4-special
1560 characters are replaced with digraphs.
1561 * tests/input.at (%define errors): Extend to check weird values.
1562
1563 2007-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
1564
1565 Instead of having skeletons declare all valid %define variables and
1566 %code qualifiers, provide macros that retrieve the associated values
1567 and build these lists automatically. Thus Bison will now warn when a
1568 variable or qualifier is not used by the skeleton in the current
1569 invocation regardless of whether it might sometimes be used by that
1570 skeleton in other invocations. Also, move all %define value macros to
1571 the b4_percent_define_ namespace, and remove the %define "NAME" {CODE}
1572 form, which is replaced by %code.
1573 * data/bison.m4 (b4_check_for_unrecognized_names): Rename to...
1574 (b4_check_user_names): ... this, and change the series of valid name
1575 arguments to a single list argument for names used in the skeleton
1576 similar to the existing list argument for names used in the grammar.
1577 Warn instead of complaining.
1578 (b4_get_percent_define, b4_get_percent_code): New to retrieve %define
1579 values and %code code, to format %code code properly, and to build
1580 lists of all %define variables and %code qualifiers used in the
1581 skeleton: b4_skeleton_percent_define_variables and
1582 b4_skeleton_percent_code_qualifiers.
1583 (b4_check_percent_define_variables, b4_check_percent_code_qualifiers):
1584 Remove, and...
1585 (m4_wrap): ... m4_wrap b4_check_user_names invocations instead so that
1586 the skeleton names lists can finish building first. In place of
1587 b4_used_percent_define_variables and b4_used_percent_code_qualifiers,
1588 expect the lists b4_user_percent_define_variables and
1589 b4_user_percent_code_qualifiers.
1590 * data/c++.m4: Where setting default values for b4_parser_class_name,
1591 b4_location_type, b4_filename_type, b4_namespace, and
1592 b4_define_location_comparison, update their names to the
1593 b4_percent_define_ namespace.
1594 * data/glr.c: Don't use b4_check_percent_define_variables and
1595 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
1596 * data/glr.cc, data/lalr1.cc: Likewise, and use b4_get_percent_define.
1597 (b4_parser_class_name, b4_namespace): Define these using
1598 b4_get_percent_define for parser_class_name and namespace.
1599 * data/location.cc: Use b4_get_percent_define.
1600 * data/push.c: Don't use b4_check_percent_define_variables and
1601 b4_check_percent_code_qualifiers. Use b4_get_percent_code.
1602 * data/yacc.c: Likewise, and don't call m4_exit in
1603 b4_use_push_for_pull_if or m4_wrap code will never execute.
1604 * src/muscle_tab.c, src/muscle_tab.h (muscle_grow_used_name_list):
1605 Rename to...
1606 (muscle_grow_user_name_list): ... this for consistency with the
1607 terminology used in bison.m4.
1608 * src/parse-gram.y (prologue_declaration): Prepend "percent_define_" to
1609 %define variable names, and rename muscle used_percent_define_variables
1610 to user_percent_define_variables.
1611 (grammar_declaration): Rename muscle used_percent_code_qualifiers to
1612 user_percent_code_qualifiers.
1613 (content): Remove.
1614 (content.opt): Replace content RHS with STRING RHS so %define "NAME"
1615 {CODE} form is no longer accepted.
1616 * tests/input.at (Reject bad %code qualifiers): Rename to...
1617 (Reject unused %code qualifiers): ... this, and update test output.
1618 (%define error): Update test output.
1619
1620 2007-01-07 Joel E. Denny <jdenny@ces.clemson.edu>
1621
1622 Check for unrecognized %define variables similar to checking for
1623 unrecognized %code qualifiers. Check for redefined %define variables.
1624 * data/bison.m4 (b4_check_for_unrecognized_names): New macro that
1625 generalizes...
1626 (b4_check_percent_code_qualifiers): ... this, which now wraps it.
1627 (b4_check_percent_define_variables): New, also wraps it.
1628 * data/glr.c: Unless glr.cc is wrapping glr.c, declare no valid %define
1629 variables using b4_check_percent_define_variables.
1630 * data/glr.cc, data/lalr1.cc: Declare the valid %define variables as
1631 all those exercised in the test suite and all those listed in the
1632 `Default values' section of c++.m4. Are there others?
1633 * data/push.c, data/yacc.c: Declare no valid %define variables.
1634 * src/muscle_tab.c, src/muscle_tab.h (muscle_find_const): New function,
1635 similar to muscle_find, but it works even when the muscle stores a
1636 const value.
1637 (muscle_grow_used_name_list): New function for constructing the used
1638 name list muscles that b4_check_for_unrecognized_names requires.
1639 * src/parse-gram.y (prologue_declaration): Warn if a variable is
1640 %define'd more than once. Define the b4_used_percent_define_variables
1641 muscle with muscle_grow_used_name_list.
1642 (grammar_declaration): Abbreviate %code code with
1643 muscle_grow_used_name_list.
1644 * tests/input.at (%define errors): New.
1645
1646 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
1647
1648 Provide warn_at, complain_at, and fatal_at function callbacks to the
1649 skeletons, and use this for %code qualifier complaints.
1650 * data/bison.m4 (b4_error_at): New, invoked by...
1651 (b4_warn_at, b4_complain_at, b4_fatal_at): ... these new macros to wrap
1652 the skeleton scanner's new @warn_at(...@), @complain_at(...@), and
1653 @fatal_at(...@) directives.
1654 (b4_check_percent_code_qualifiers): Rewrite to expect locations for
1655 qualifiers in b4_used_percent_code_qualifiers and to use
1656 b4_complain_at.
1657 * src/location.c, src/location.h (boundary_set_from_string): New global
1658 function.
1659 * src/muscle_tab.c, src/muscle_tab.h (muscle_boundary_grow): New global
1660 function.
1661 * src/parse-gram.y (grammar_declaration): Add locations for qualifiers
1662 to b4_used_percent_code_qualifiers.
1663 * src/scan-skel.l (fail_for_at_directive_too_few_args): New static
1664 function.
1665 (AT_DIRECTIVE_ARGC_MAX): Increase for boundary arguments.
1666 (lineno): Rename to...
1667 (out_lineno): ... this so I don't misunderstand it again.
1668 (SC_AT_DIRECTIVE_SKIP_WS): Don't increment out_lineno for newlines
1669 here; these newlines are in the input but not the output file.
1670 (SC_AT_DIRECTIVE_ARG): Likewise. Extract directive execution to...
1671 (at_directive_perform): ... this new static function, and add handling
1672 of new @warn_at(...@), @complain_at(...@), and @fatal_at(...@)
1673 directives.
1674 * tests/input.at (Reject bad %code qualifiers): Update test output with
1675 locations and extend.
1676
1677 * tests/output.at (Output file name: [, Output file name: ]): Remove
1678 bogus comment about these tests failing.
1679
1680 2007-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
1681
1682 Clean up b4_check_percent_code_qualifiers a little.
1683 * data/bison.m4 (b4_check_percent_code_qualifiers): Expect qualifiers
1684 in b4_used_percent_code_qualifiers to be double-M4-quoted. Rewrite
1685 documentation and add examples.
1686 * src/parse-gram.y (grammar_declaration): Double-M4-quote those
1687 qualifiers here.
1688
1689 2007-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
1690
1691 Don't use m4_divert since it makes m4_divert_push and m4_divert_pop
1692 unreliable -- especially when they're hidden inside another macro.
1693 * data/bison.m4, data/c++-skel.m4, data/c++.m4, data/c-skel.m4,
1694 data/c.m4: Remove m4_divert(-1).
1695 * data/glr.c, data/glr.cc, data/lalr1.cc, data/location.cc,
1696 data/push.c, data/yacc.c: Likewise, and replace m4_divert(0) with
1697 m4_divert_push(0) and m4_divert_pop(0).
1698 * src/output.c (output_skeleton): Don't add an m4_divert_push(0) and
1699 an m4_wrap([m4_divert_pop(0)]) to the M4. Diversion -1, which is
1700 pushed and popped by m4sugar, should be first on the stack.
1701
1702 Provide warn, complain, and fatal function callbacks to the skeletons.
1703 This provides more flexibility than m4_fatal, improves the error
1704 message format, and captures messages for translation. Discussed
1705 starting at
1706 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00063.html>.
1707 * data/bison.m4 (b4_error): New, invoked by...
1708 (b4_warn, b4_complain, b4_fatal): ... these new macros to wrap the
1709 skeleton scanner's new @warn(...@), @complain(...@), and @fatal(...@)
1710 directives. Because these M4 macros might be called when the current
1711 diversion is -1 or 0, m4_divert_push and m4_divert_pop is used; thus
1712 the previous removal of uses of m4_divert, which caused trouble.
1713 (b4_check_percent_code_qualifiers): Use b4_complain instead of
1714 m4_fatal to report unrecognized %code qualifiers.
1715 * data/c++-skel.m4: Use b4_complain instead of m4_fatal to report C++
1716 push parser requests.
1717 * data/glr.c: Use b4_complain instead of m4_fatal to report
1718 non-deterministic push parser requests.
1719 Update @output usage to @output(...@) form.
1720 * data/glr.cc, data/lalr1.cc: Use b4_fatal instead of m4_fatal to
1721 report missing %defines. Update @output usage to @output(...@) form.
1722 * data/location.cc, data/push.c, data/yacc.c: Update @output usage to
1723 @output(...@) form.
1724 * src/main.c (main): Invoke skel_scanner_free.
1725 * src/scan-skel.h (skel_scanner_free): Prototype new function.
1726 * src/scan-skel.l (FLEX_NO_OBSTACK): Don't define; we now need the
1727 obstack_for_string from flex-scanner.h.
1728 (YY_DECL): Use to declare skel_lex static.
1729 (decode_at_digraphs): Remove; now handled in the new
1730 SC_AT_DIRECTIVE_ARG start condition.
1731 (fail_for_at_directive_too_many_args, fail_for_invalid_at): New static
1732 functions.
1733 (at_directive_name, AT_DIRECTIVE_ARGC_MAX, at_directive_argc,
1734 at_directive_argv): New static globals.
1735 (INITIAL): Use fail_for_invalid_at.
1736 Don't parse `@output file_name\n' or `@basename(...@)'. Instead,
1737 recognize the start of a generalized `@directive(...@)' form and
1738 start...
1739 (SC_AT_DIRECTIVE_ARG): ... this new start condition to parse the
1740 directive args (using the new obstack_for_string), to decode the
1741 contained @ diagraphs, and to perform the directive. It recognizes
1742 @basename(...@), @warn(...@), @complain(...@), @fatal(...@), and
1743 @output(...@).
1744 (SC_AT_DIRECTIVE_SKIP_WS): New start condition started by
1745 SC_AT_DIRECTIVE_ARG to skip whitespace after the argument delimiter,
1746 `@,'.
1747 (scan_skel): Initialize obstack_for_string on the first call.
1748 (skel_scanner_free): New function to free obstack_for_string.
1749 * tests/input.at (Reject bad %code qualifiers): Update test output.
1750
1751 2007-01-04 Joel E. Denny <jdenny@ces.clemson.edu>
1752
1753 Consolidate the 4 prologue alternative directives (%code, %requires,
1754 %provides, and %code-top) into a single %code directive with an
1755 optional qualifier field. Discussed at
1756 <http://lists.gnu.org/archive/html/bison-patches/2007-01/msg00012.html>.
1757 * NEWS (2.3a+): Rewrite the existing entry for the prologue
1758 alternatives.
1759 * doc/bison.texinfo (Prologue Alternatives): Update.
1760 (Decl Summary): Update to %code "requires" and %code "provides".
1761 (Calc++ Parser): Update to %code "requires".
1762 (Table of Symbols): Remove entries for %requires, %provides, and
1763 %code-top. Rewrite %code entry, and add a %code "QUALIFIER" entry.
1764 * data/bison.m4 (b4_user_provides, b4_user_requires): Remove as these
1765 are replaced by b4_percent_code_provides and b4_percent_code_requires,
1766 which are skeleton-specific.
1767 (b4_check_percent_code_qualifiers): New. A skeleton can use this to
1768 declare what %code qualifiers it supports and to complain if any other
1769 qualifiers were used in the grammar.
1770 * data/glr.cc: Update to use b4_user_code([b4_percent_code_requires])
1771 and b4_user_code([b4_percent_code_provides]) in place of
1772 b4_user_requires and b4_user_provides.
1773 * data/glr.c, data/lalr1.cc, data/push.c, data/yacc.c: Likewise.
1774 Add b4_user_code([b4_percent_code_top]) and
1775 b4_user_code([b4_percent_code]).
1776 Invoke b4_check_percent_code_qualifiers.
1777 * src/parse-gram.y (PERCENT_CODE_TOP, PERCENT_PROVIDES,
1778 PERCENT_REQUIRES): Remove.
1779 (grammar_declaration): Remove RHS's for %code-top, %provides, and
1780 %requires. Rewrite the %code RHS as the unqualified form defining the
1781 muscle b4_percent_code. Add another RHS for the qualified %code form,
1782 which defines muscles of the form b4_percent_code_QUALIFIER and the
1783 b4_used_percent_code_qualifiers muscle.
1784 * src/scan-gram.l (PERCENT_CODE_TOP, PERCENT_PROVIDES,
1785 PERCENT_REQUIRES): Remove.
1786 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Update to use
1787 %code "requires" and %code "provides".
1788 * tests/input.at (Reject bad %code qualifiers): New.
1789
1790 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
1791
1792 Use the new code_props interface for destructors and printers.
1793 * src/symtab.h (symbol, semantic_type): Remove destructor_location and
1794 printer_location members, and change the type of the destructor and
1795 printer members to code_props.
1796 (symbol_destructor_set, symbol_destructor_get, symbol_printer_set,
1797 symbol_printer_get, semantic_type_destructor_set,
1798 semantic_type_printer_set, default_tagged_destructor_set,
1799 default_tagless_destructor_set, default_tagged_printer_set,
1800 default_tagless_printer_set): Use code_props in arguments and return
1801 types in place of char const * and location.
1802 (symbol_destructor_location_get, symbol_printer_location_get): Remove
1803 since the locations are now contained in the return of
1804 symbol_destructor_get and symbol_printer_get.
1805 * src/output.c (symbol_destructors_output, symbol_printers_output):
1806 Replace with...
1807 (symbol_code_props_output): ... this to eliminate duplicate code.
1808 (output_skeleton): Update to use symbol_code_props_output.
1809 * src/reader.c (symbol_should_be_used): Update use of
1810 symbol_destructor_get.
1811 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
1812 Update uses of the various _destructor_set and _printer_set functions.
1813 * src/symtab.c: (default_tagged_destructor_location,
1814 default_tagless_destructor_location, default_tagged_printer_location,
1815 default_tagless_printer_location): Remove since we...
1816 (default_tagged_destructor, default_tagless_destructor,
1817 default_tagged_printer, default_tagless_printer): ... change the type
1818 of these to code_props.
1819 (symbol_new, semantic_type_new, symbol_destructor_set,
1820 semantic_type_destructor_set, symbol_destructor_get,
1821 symbol_printer_set, semantic_type_printer_set, symbol_printer_get,
1822 symbol_check_alias_consistency, default_tagged_destructor_set,
1823 default_tagless_destructor_set, default_tagged_printer_set,
1824 default_tagless_printer_set): Update.
1825 (symbol_destructor_location_get, symbol_printer_location_get): Remove.
1826 (SYMBOL_CODE_PRINT): New similar to SYMBOL_ATTR_PRINT but for
1827 code_props members.
1828 (symbol_print): Use SYMBOL_CODE_PRINT.
1829
1830 2007-01-03 Joel E. Denny <jdenny@ces.clemson.edu>
1831
1832 Use the new code_props interface for rule actions.
1833 * src/symlist.h (symbol_list): Replace action, action_location, and
1834 used members with a code_props action_props member.
1835 * src/reader.c (symbol_should_be_used, grammar_rule_check,
1836 grammar_midrule_action, grammar_current_rule_merge_set,
1837 grammar_current_rule_symbol_append, packgram): Update.
1838 * src/scan-code.h (translate_rule_action): Remove, no longer used.
1839 * src/scan-code.l (handle_action_dollar): Update.
1840 (translate_rule_action): Remove, no longer used.
1841 * src/symlist.c (symbol_list_sym_new, symbol_list_syms_print): Update.
1842
1843 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
1844
1845 Use the new code_props interface in parse-gram.y.
1846 * src/parse-gram.y (prologue_declaration, braceless, epilogue.opt):
1847 Update all uses of translate_* functions to use the new code_props
1848 interface and to use gram_scanner_last_string_free and
1849 code_scanner_last_string_free where possible.
1850 (grammar_declaration): symbol_list_destructor_set and
1851 symbol_list_printer_set now perform the translation, so don't do it
1852 here. Use gram_scanner_last_string_free where possible.
1853 * src/scan-code.h, src/scan-code.l (translate_symbol_action,
1854 translate_code): Remove, no longer used.
1855 * src/symlist.h, src/symlist.c (symbol_list_destructor_set,
1856 symbol_list_printer_set): Perform code translation here rather than
1857 depending on the caller to do so.
1858
1859 * src/symlist.h (struct symbol_list): Correct some documentation typos.
1860 * src/scan-gram.h (gram_last_string): Remove declaration.
1861 * src/scan-gram.l (last_string): Declare it static.
1862
1863 2007-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
1864
1865 Encapsulate code properties and related functionality for the various
1866 destructors, printers, and actions into a code_props structure and
1867 interface. This patch merely implements code_props in scan-code.h and
1868 scan-code.l. Future patches will rewrite other modules to use it.
1869 Discussed starting at
1870 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00020.html>.
1871 * src/location.h (EMPTY_LOCATION_INIT): Define so that it's easier to
1872 consistently initialize const structs that have an empty location
1873 field.
1874 * src/location.c (empty_location): Initialize with EMPTY_LOCATION_INIT
1875 to ensure consistency.
1876 * src/scan-code.h (code_props): New structure.
1877 (code_props_none_init, CODE_PROPS_NONE_INIT, code_props_none): New
1878 function, macro, and const global variable for initializing a
1879 code_props with no code.
1880 (code_props_plain_init, code_props_symbol_action_init,
1881 code_props_rule_action_init, code_props_translate_code): The rest of
1882 the new code_props functional interface. Among other things, the init
1883 functions set the code_props kind field so that
1884 code_props_translate_code will know whether to behave like
1885 translate_symbol_action, translate_rule_action, or translate_code.
1886 These old translate functions must remain until all other modules are
1887 updated to use the new code_props interface.
1888 (code_scanner_last_string_free): New function similar to
1889 gram_scanner_last_string_free.
1890 (code_scanner_free): Add documentation.
1891 * src/scan-code.l: Implement the new interface.
1892 (code_lex): Make it static, add a code_props* argument, and remove the
1893 rule argument.
1894 (last_string): New static global similar to the one in scan-gram.l.
1895 (SC_RULE_ACTION): Update to use the code_props* argument to code_lex
1896 instead of rule.
1897 (SC_SYMBOL_ACTION): For $$, set the is_value_used member of the
1898 code_props since Bison may one day use this information for destructors
1899 and printers.
1900 (<*><<EOF>>): Use STRING_FINISH so that last_string is set.
1901 (handle_action_dollar): Use symbol_list_n_get and set used flag
1902 directly since symbol_list_n_used_set is removed.
1903 (translate_action): Add a code_props* argument and remove the rule,
1904 action, and location arguments. Pass the code_props* on to code_lex.
1905 (translate_rule_action, translate_symbol_action, translate_code):
1906 Rewrite as wrappers around the new code_props interface.
1907 * src/symlist.h, src/symlist.c (symbol_list_n_used_set): Remove since
1908 it would eventually need to break the encapsulation of code_props.
1909
1910 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
1911
1912 * etc/.cvsignore: New.
1913
1914 2007-01-01 Joel E. Denny <jdenny@ces.clemson.edu>
1915
1916 Add maintainer-push-check to run maintainer-check using push parsing in
1917 place of pull parsing where available.
1918 * Makefile.am (maintainer-push-check): New.
1919 * data/bison.m4 (b4_use_push_for_pull_if): New.
1920 * data/push.c: Redefine b4_push_if and b4_use_push_for_pull_if
1921 appropriately based on their existing values.
1922 (yypush_parse): Don't print push-parser-specific diagnostics if push
1923 parsing is being used in place of pull parsing.
1924 * data/yacc.c: If push parsing should replace pull parsing, redirect to
1925 push.c.
1926 * src/output.c (prepare): Check BISON_USE_PUSH_FOR_PULL environment
1927 variable, and insert b4_use_push_for_pull_flag into muscles.
1928 * tests/Makefile.am (maintainer-push-check): New.
1929
1930 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
1931
1932 * data/push.c (yypush_parse): Set yynew = 1 at the end of a parse
1933 (whether successful or failed) so that yypush_parse can be invoked
1934 again to start a new parse using the same yypstate.
1935 * tests/torture.at (AT_DATA_STACK_TORTURE): For push mode, extend to
1936 check multiple yypull_parse invocations on the same yypstate. For pull
1937 mode, extend to check multiple yyparse invocations.
1938 (Exploding the Stack Size with Alloca): Extend to try with
1939 %push-pull-parser.
1940 (Exploding the Stack Size with Malloc): Likewise.
1941
1942 * tests/calc.at (Simple LALR Calculator): Don't specify
1943 %skeleton "push.c" since %push-pull-parser implies that now.
1944 * tests/headers.at (export YYLTYPE): Don't check for the push
1945 declarations. Otherwise, this test case can't be used to see if push
1946 mode can truly emulate pull mode.
1947 * tests/input.at (Torturing the Scanner): Likewise.
1948 * tests/local.at (AT_YACC_OR_PUSH_IF, AT_PUSH_IF): Remove.
1949 (AT_YYERROR_SEES_LOC_IF): Rather than AT_YACC_OR_PUSH_IF, use
1950 AT_YACC_IF, which now includes the case of push mode since %skeleton
1951 need not be used for push mode. This will be more intuitive once
1952 push.c is renamed to yacc.c.
1953
1954 2006-12-31 Joel E. Denny <jdenny@ces.clemson.edu>
1955
1956 For push mode, convert yyparse from a macro to a function, invoke yylex
1957 instead of passing a yylexp argument to yypull_parse, and don't
1958 generate yypull_parse or yyparse unless %push-pull-parser is declared.
1959 Discussed starting at
1960 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00163.html>.
1961 * data/bison.m4 (b4_pull_if): New.
1962 * data/c.m4 (b4_identification): Define YYPULL similar to YYPUSH.
1963 * data/push.c: Improve M4 quoting a little.
1964 (b4_generate_macro_args, b4_parenthesize): Remove.
1965 (yyparse): If there's a b4_prefix, #define this to b4_prefix[parse]
1966 any time a pull parser is requested.
1967 Don't #define this as a wrapper around yypull_parse. Instead, when
1968 both push and pull are requested, make it a function that does that
1969 same thing.
1970 (yypull_parse): If there's a b4_prefix, #define this to
1971 b4_prefix[pull_parse] when both push and pull are requested.
1972 Don't define this as a function unless both push and pull are
1973 requested.
1974 Remove the yylexp argument and hard-code yylex invocation instead.
1975 * etc/bench.pl.in (bench_grammar): Use %push-pull-parser instead of
1976 %push-parser.
1977 * src/getargs.c (pull_parser): New global initialized to true.
1978 * getargs.h (pull_parser): extern it.
1979 * src/output.c (prepare): Insert pull_flag muscle.
1980 * src/parse-gram.y (PERCENT_PUSH_PULL_PARSER): New token.
1981 (prologue_declaration): Set both push_parser and pull_parser = true for
1982 %push-pull-parser. Set push_parser = true and pull_parser = false for
1983 %push-parser.
1984 * src/scan-gram.l: Don't accept %push_parser as an alternative to
1985 %push-parser since there's no backward-compatibility concern here.
1986 Scan %push-pull-parser.
1987 * tests/calc.at (Simple LALR(1) Calculator): Use %push-pull-parser
1988 instead of %push-parser.
1989 * tests/headers.at (export YYLTYPE): Make yylex static, and don't
1990 prototype it in the module that calls yyparse.
1991 * tests/input.at (Torturing the Scanner): Likewise.
1992 * tests/local.at (AT_PUSH_IF): Check for %push-pull-parser as well.
1993
1994 2006-12-26 Joel E. Denny <jdenny@ces.clemson.edu>
1995
1996 Update etc/bench.pl. Optimize push mode a little (the yyn change
1997 deserves most of the credit).
1998 * Makefile.am (SUBDIRS): Add etc subdirectory.
1999 * configure.ac (AC_CONFIG_FILES): Add etc/bench.pl and etc/Makefile.
2000 * data/push.c (b4_declare_parser_state_variables): Move yyn, yyresult,
2001 yytoken, yyval, and yyloc declarations to...
2002 (yyparse or yypush_parse): ... here to improve performance. For
2003 yypush_parse invocations after the first, be sure to assign yyn its old
2004 value again.
2005 (yypstate_new): Don't bother initializing the yyresult field since the
2006 initial value isn't used.
2007 (yyn, yyresult, yytoken, yyval, yyloc): For each NAME in this list,
2008 remove the #define that, in push mode, set it to yyps->NAME.
2009 * etc/Makefile.am: New.
2010 * etc/bench.pl: Remove and build it instead from...
2011 * etc/bench.pl.in: ... this new file. Use @abs_top_builddir@ to invoke
2012 "tests/bison" from the build directory by default rather than just
2013 invoking "bison" from $PATH.
2014 (calc_grammar): Update push parser code: don't declare yylval globally,
2015 don't define yyparse_wrapper, and don't #define yyparse.
2016 (bench_grammar): Update to check all working combinations of yacc.c,
2017 push.c, impure, pure, pull, and push.
2018
2019 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
2020
2021 For push mode, add pull wrappers around yypush_parse.
2022 * data/push.c: (b4_generate_macro_args, b4_parenthesize): New macros.
2023 (yypull_parse): New function wrapping yypush_parse.
2024 (yyparse): New #define wrapping yypull_parse.
2025 * tests/calc.at (_AT_DATA_CALC_Y): Call yyparse even when %push-parser
2026 is declared.
2027 * tests/headers.at (export YYLTYPE): Make yylex global. For push mode,
2028 prototype yylex in the module that calls yyparse, and don't prototype
2029 yyparse there. Otherwise, the yyparse expansion won't compile.
2030 * tests/input.at (Torturing the Scanner): Likewise.
2031
2032 2006-12-25 Joel E. Denny <jdenny@ces.clemson.edu>
2033
2034 Enable push parsers to operate in impure mode. Thus, %push-parser no
2035 longer implies %pure-parser. The point of this change is to move
2036 towards being able to test the push parser code by running the entire
2037 test suite as if %push-parser had been declared.
2038 * data/push.c (yypush_parse): For impure mode, remove the
2039 yypushed_char, yypushed_val, and yypushed_loc arguments.
2040 Instead, declare these as local variables initialized to the global
2041 yychar, yylval, and yylloc.
2042 For the first yypush_parse invocation only, restore the initial values
2043 of these global variables when it's time to read a token since they
2044 have been overwritten.
2045 * src/parse-gram.y (prologue_declaration): Don't set pure_parser for
2046 %push-parser.
2047 * tests/calc.at (Simple LALR(1) Calculator): Always declare
2048 %pure-parser along with %push-parser since this test case was designed
2049 for pure push parsers.
2050 * tests/local.at (AT_PURE_OR_PUSH_IF): Remove unused.
2051 (AT_YACC_OR_PUSH_IF): New.
2052 (AT_YYERROR_SEES_LOC_IF): Fix enough that the test suite passes, but
2053 add a note that it's still wrong for some cases (as it has been for a
2054 while).
2055 (AT_PURE_LEX_IF): Use AT_PURE_IF instead of AT_PURE_OR_PUSH_IF since
2056 %push-parser no longer implies %pure-parser.
2057
2058 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
2059
2060 Remove some unnecessary differences between the pull parser code and
2061 the push parser code. This patch enables yynerrs in push mode.
2062 * data/push.c: Reformat M4 a little.
2063 (b4_yyerror_range): Remove and convert all uses to just yyerror_range.
2064 (b4_declare_scanner_communication_variables): Don't omit yynerrs just
2065 because push mode is on. Instead, if pure mode is on, move yynerrs
2066 to...
2067 (b4_declare_parser_state_variables): ... here.
2068 (yynerrs, yyerror_range): For push mode, #define each NAME in this list
2069 to yyps->NAME so it can be used in yypush_parse.
2070 (yypush_parse): Don't omit uses of yynerrs in push mode.
2071
2072 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
2073
2074 Fix bug such that the first pushed token's value and location are
2075 sometimes overwritten (sometimes by %initial-action) before being used.
2076 * data/push.c (yypush_parse): Rename arguments yynchar, yynlval, and
2077 yynlloc to yypushed_char, yypushed_val, and yypushed_loc for clarity.
2078 For the first yypush_parse invocation, initialize yychar to YYEMPTY to
2079 more closely mimic the pull parser logic.
2080 Don't copy the pushed token to yychar, yylval, and yylloc until it's
2081 time to read a token, which is after any initialization of yylval and
2082 yylloc.
2083 (gottoken): Rename label to...
2084 (yyread_pushed_token): ... for clarity and to avoid infringing on the
2085 user namespace.
2086
2087 2006-12-20 Joel E. Denny <jdenny@ces.clemson.edu>
2088
2089 Rearrange initialization of the parser state variables so that the
2090 skeleton doesn't have to have a copy for pull mode and another for push
2091 mode. This patch also fixes at least a bug such that yylloc was not
2092 initialized (with b4_location_initial_line and
2093 b4_location_initial_column) upon calling yypush_parse. However, that
2094 initialization now overwrites the first token's location;
2095 %initial-action assigning @$ already did the same thing, and both bugs
2096 will be fixed in a later patch.
2097 * data/push.c (b4_yyssa): Remove and convert all uses to just yyssa.
2098 (b4_declare_parser_state_variables): Remove initialization of yytoken,
2099 yyss, yyvs, yyls, and yystacksize.
2100 (yypstate_new): Remove initialization of some yypstate fields: yystate,
2101 yyerrstatus, yytoken, yyss, yyvs, yyls, yystacksize, yyssp, yyvsp, and
2102 yylsp.
2103 (yyssa, yyvsa, yylsa): For push mode, #define each NAME in this list to
2104 yyps->NAME so it can be used in yypush_parse.
2105 (yyparse or yypush_parse): For yypush_parse, don't print the
2106 "Starting parse" diagnostic for invocations after the first.
2107 Add initialization of yytoken, yyss, yyvs, yyls, and yystacksize; for
2108 yypush_parse, only do it for the first invocation.
2109 Allow yystate, yyerrstatus, yyssp, yyvsp, yylsp, and yylloc
2110 initialization to occur in yypush_parse but only on the first
2111 invocation.
2112
2113 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
2114
2115 * data/push.c: Add CPP guards around push parser declarations in both
2116 the header and the code file.
2117 In the code file, move the push parser declarations to the same place
2118 they appear in the header file.
2119 Clean up the M4 some, especially the inconsistent underquoting in
2120 some b4_c_function_def and b4_c_function_decl uses.
2121
2122 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
2123
2124 Encapsulate the push parser state variables into an M4 macro so the
2125 push skeleton doesn't have to list them again for pull mode's yyparse.
2126 For push mode, remove yypush_parse's local equivalents of these
2127 variables to eliminate unnecessary copying between the two sets at
2128 run-time. This patch also fixes at least a bug related to multiple
2129 %initial-action invocations in push mode.
2130 * data/push.c (b4_declare_parser_variables): Rename to...
2131 (b4_declare_scanner_communication_variables): ... this for clarity and
2132 update both uses.
2133 (b4_declare_yyparse_variables): Remove and move its contents to the one
2134 spot where it was invoked.
2135 (b4_declare_parser_state_variables): New macro containing the parser
2136 state variables required by push mode.
2137 (struct yypstate): Replace all fields but yynew with
2138 b4_declare_parser_state_variables.
2139 (yystate, yyn, yyresult, yyerrstatus, yytoken, yyss, yyssp, yyvs,
2140 yyvsp, yyls, yylsp, yystacksize, yyval, yyloc): For push mode, #define
2141 each NAME in this list to yyps->NAME so it can be used in yypush_parse.
2142 (yyparse or yypush_parse): For yyparse in pull mode, replace local
2143 parser state variable declarations with
2144 b4_declare_parser_state_variables.
2145 Don't initialize parser state variables when calling yypush_parse since
2146 yypstate_new already does that.
2147 Invoke the user's initial action only upon the first yypush_parse
2148 invocation.
2149 Remove all code that copies between the local parser state variables
2150 and the yypstate.
2151
2152 2006-12-19 Joel E. Denny <jdenny@ces.clemson.edu>
2153
2154 * data/push.c (union yyalloc): Rename yyss, yyvs, and yyls fields to
2155 prevent a name collision in a future patch where these names will
2156 sometimes be #define'd.
2157 (YYSTACK_RELOCATE): Add an argument to select a union yyalloc field
2158 since it no longer has the same name as the existing argument.
2159 (yyparse or yypush_parse): Update all uses of YYSTACK_RELOCATE.
2160
2161 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
2162 and Joel E. Denny <jdenny@ces.clemson.edu>
2163
2164 * doc/bison.texinfo (Decl Summary): In the %language entry, mention
2165 that the argument is case-insensitive, and there's no `=' here.
2166 For the %skeleton entry, mention that %language is better.
2167 (Bison Options): Likewise for --language and --skeleton. Move the
2168 --skeleton entry so that the `Tuning the parser' section is sorted
2169 alphabetically on long options.
2170 (C++ Bison Interface): Don't use the word skeleton. Don't explain the
2171 %language directive in detail here; cross-reference the %language
2172 documentation instead.
2173 (Calc++ Parser): Use `%require "@value{VERSION}"' rather than
2174 `%require "2.3b"' so that the example is always up-to-date.
2175 (Table of Symbols): Add entries for %language and %skeleton.
2176 * examples/extexi (normalize): Instead of replacing every %require
2177 argument with the current Bison version, just substitute for
2178 `@value{VERSION}'. This guarantees that we're testing what actually
2179 appears in the documentation.
2180 * examples/calc++/Makefile.am ($(calc_extracted)): Use `$(VERSION)'
2181 rather than `@VERSION@'.
2182
2183 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
2184
2185 * NEWS: Reword the %language news a bit, and put it earlier.
2186
2187 * src/getargs.c (skeleton_arg): Last arg is now location const *.
2188 Rewrite to simplify the logic.
2189 (language_argmatch): Likewise.
2190 (program_name): We now own this var.
2191 * src/getargs.h (struct bison_language): Use char[] rather than
2192 const char *.
2193
2194 * doc/bison.texinfo (Decl Summary, Bison Options): Don't claim
2195 Java is supported.
2196 * src/complain.c (program_name): Remove decl; no longer needed.
2197 * src/main.c (program_name): Remove; now belongs to getargs.
2198
2199 2006-12-18 Paolo Bonzini <bonzini@gnu.org>
2200
2201 * NEWS: Document %language.
2202
2203 * data/Makefile.am (dist_pkgdata_DATA): Add c-skel.m4, c++-skel.m4.
2204
2205 * data/c-skel.m4, data/c++-skel.m4: New files.
2206 * data/glr.c: Complain on push parsers.
2207
2208 * doc/bison.texinfo (C++ Parser Interface): Prefer %language
2209 over %skeleton.
2210 (Decl Summary): Document %language and %skeleton.
2211 (Command line): Document -L.
2212
2213 * examples/extexi: Rewrite %require directive.
2214 * examples/calc++/Makefile.am: Pass VERSION to extexi.
2215
2216 * src/files.c (compute_exts_from_gc): Look in language structure
2217 for .y extension.
2218 (compute_file_name_parts): Check whether .tab should be added.
2219 * src/getargs.c (valid_languages, skeleton_prio, language_prio):
2220 (language, skeleton_arg, language_argmatch): New.
2221 (long_options): Add --language.
2222 (getargs): Use skeleton_arg, add -L/--language.
2223 * src/getargs.h: Include location.h.
2224 (struct bison_language, language, skeleton_arg, language_argmatch): New.
2225 * src/output.c (prepare): Pick default skeleton from struct language.
2226 Don't dispatch C skeletons here.
2227 * src/parse-gram.y (PERCENT_LANGUAGE): New.
2228 (prologue_declaration): Add "%language" rule, use skeleton_arg.
2229 * src/scan-gram.l ("%language"): New rule.
2230
2231 * tests/calc.at: Test %skeleton and %language.
2232 * tests/local.at (AT_SKEL_CC_IF): Look for %language.
2233 (AT_GLR_IF): Look for %skeleton "glr.cc".
2234 (AT_LALR1_CC_IF, AT_GLR_CC_IF): Rewrite.
2235 (AT_YACC_IF): Reject %language.
2236
2237 2006-12-18 Paul Eggert <eggert@cs.ucla.edu>
2238
2239 * src/symtab.h (struct semantic_type): Remove the tag 'semantic_type',
2240 since it wasn't used; only the typedef name 'semantic_type' is needed.
2241 Also, omit trailing white space.
2242
2243 * bootstrap: Sync from coreutils.
2244 (gnulib_extra_files): Add build-aux/announce.gen.
2245 (slurp): Adjust .gitignore files like .cvsignore files.
2246 * build-aux/announce-gen: Remove from CVS, since bootstrap
2247 now creates this.
2248
2249 2006-12-16 Joel E. Denny <jdenny@ces.clemson.edu>
2250
2251 Make %push-parser imply %pure-parser. This fixes several bugs; see
2252 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00148.html>.
2253 * src/parse-gram.y (prologue_declaration): For %push-parser, also set
2254 pure_parser = true.
2255 * data/push.c: Don't bother testing b4_push_if when deciding whether
2256 to expand b4_declare_parser_variables globally.
2257 (yypush_parse): Likewise in here.
2258
2259 * data/push.c (yypush_parse): Add b4_parse_param to arguments.
2260 (yy_reduce_print): Reformat M4 for readability.
2261
2262 2006-12-15 Bob Rossi <bob@brasko.net>
2263 and Joel Denny <jdenny@ces.clemson.edu>
2264
2265 * data/push.c (yypstate): Add typedef, and update all uses of
2266 struct yypstate to just yypstate.
2267 * tests/calc.at (_AT_DATA_CALC_Y): Update here as well.
2268
2269 2006-12-14 Bob Rossi <bob@brasko.net>
2270
2271 * data/push.c (yypush_parse): Declare prototype regardless of
2272 %locations option.
2273
2274 2006-12-14 Bob Rossi <bob@brasko.net>
2275
2276 * data/push.c (yyparse): Remove the prototype and the #define when in
2277 push-parser mode.
2278
2279 2006-12-13 Bob Rossi <bob@brasko.net>
2280
2281 * data/push.c (yypstate_init): Rename to...
2282 (yypstate_new): ... this and use b4_c_function_def.
2283 (yypstate_delete): New.
2284 (yypush_parse): Change parameters yynval and yynlloc to be const.
2285 * tests/calc.at (_AT_DATA_CALC_Y): Use new yypstate_new and
2286 yypstate_delete functions.
2287
2288 2006-12-13 Joel E. Denny <jdenny@ces.clemson.edu>
2289
2290 * configure.ac (AC_PREREQ): Require Autoconf 2.61 because of our
2291 strange test case titles. Reported by Bob Rossi.
2292
2293 2006-12-13 Paul Eggert <eggert@cs.ucla.edu>
2294
2295 * TODO: Add pointer to Sylvain Schmitz's work on static detection
2296 of potential ambiguities in GLR grammers.
2297
2298 2006-12-12 Joel E. Denny <jdenny@ces.clemson.edu>
2299
2300 * tests/testsuite.at (AT_CHECK): When checking if $1 starts with
2301 `bison ', use m4_index instead of m4_substr since chopping up a string
2302 containing M4-special characters causes problems here.
2303
2304 Fix a couple of bugs related to special characters in user-specified
2305 file names, and make it easier for skeletons to compute output file
2306 names with the same file name prefix as Bison-computed output file
2307 names.
2308 * data/glr.cc, data/push.c, data/yacc.c: In @output, use
2309 b4_parser_file_name and b4_spec_defines_file instead of
2310 @output_parser_name@ and @output_header_name@, which are now redundant.
2311 * data/glr.c, data/lalr1.cc: Likewise. Also, in header #include's, use
2312 b4_parser_file_name, b4_spec_defines_file, and the new
2313 @basename(FILENAME@) instead of @output_parser_name@ and
2314 @output_header_name@, which inappropriately escaped the file names as
2315 C string literals.
2316 * src/files.c (all_but_ext): Remove static qualifier.
2317 (compute_output_file_names): Move `free (all_but_ext)' to...
2318 (output_file_names_free): ... here since all_but_ext is needed later.
2319 * src/files.h (all_but_ext): Extern.
2320 * src/muscle_tab.h (MUSCLE_INSERT_STRING_RAW): New macro that does
2321 exactly what MUSCLE_INSERT_STRING used to do.
2322 (MUSCLE_INSERT_STRING): Use MUSCLE_OBSTACK_SGROW so that M4-special
2323 characters are escaped properly.
2324 * src/output.c (prepare): Define muscle file_name_all_but_ext as
2325 all_but_ext.
2326 For pkgdatadir muscle, maintain previous functionality by using
2327 MUSCLE_INSERT_STRING_RAW instead of MUSCLE_INSERT_STRING. The problem
2328 is that b4_pkgdatadir is used inside m4_include in the skeletons, so
2329 digraphs would never be expanded. Hopefully no one has M4-special
2330 characters in his Bison installation path.
2331 * src/scan-skel.l: Don't parse @output_header_name@ and
2332 @output_parser_name@ anymore since they're now redundant.
2333 In @output, use decode_at_digraphs.
2334 Parse a new @basename command that invokes last_component.
2335 (decode_at_digraphs): New.
2336 (BASE_QPUTS): Remove unused.
2337 * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): New macro.
2338 (Output file name): New tests.
2339
2340 2006-12-09 Joel E. Denny <jdenny@ces.clemson.edu>
2341
2342 Warn about output files that are generated by the skeletons and that
2343 conflict with other output files.
2344 * data/glr.c: Don't generate the header file here when glr.cc does.
2345 * src/files.c (file_names, file_names_count): New static globals.
2346 (compute_output_file_names): Invoke output_file_name_check for files
2347 not generated by the skeletons and remove existing checks.
2348 (output_file_name_check): New function that warns about conflicting
2349 output file names.
2350 (output_file_names_free): Free file_names.
2351 * src/files.h (output_file_name_check): Declare.
2352 * src/scan-skel.l: Invoke output_file_name_check for files generated by
2353 the skeletons.
2354 * tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
2355 (Conflicting output files): New tests.
2356
2357 2006-12-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2358
2359 * doc/bison.texinfo: Fix a couple of typos.
2360
2361 2006-12-08 Bob Rossi <bob@brasko.net>
2362
2363 * data/push.c: (yypvarsinit, yypvars, struct yypvars, yypushparse):
2364 Rename to...
2365 (yypstate_init, yypstate, struct yypstate, yypush_parse): ... these and
2366 update all uses.
2367 (b4_yyssa, b4_yyerror_range, yypstate_init): Rename pv to yyps.
2368 (yypush_parse): Rename yypvars argument to yyps and remove redundant
2369 local pv.
2370 (yypstate_init, yypush_parse): Declare in Bison-generated header file.
2371 * tests/calc.at (_AT_DATA_CALC_Y): Use newly named functions.
2372
2373 2006-12-07 Bob Rossi <bob@brasko.net>
2374 and Joel Denny <jdenny@ces.clemson.edu>
2375
2376 * data/push.c (yypvarsinit): Change return type from void* to struct
2377 yypvars*. No longer cast to void* on return.
2378 (struct yypvars): Remove yylen since it need not be remembered between
2379 yypushparse invocations.
2380 (yypushparse): Don't copy between yylen and pv->yylen.
2381
2382 2006-12-05 Bob Rossi <bob@brasko.net>
2383
2384 * data/push.c (yychar_set, yylval_set, yylloc_set): Delete.
2385 (yypushparse): Add yynchar, yynlval, yynlloc parameters.
2386 (b4_declare_parser_variables): Do not declare yynerrs for push mode.
2387 (struct yypvars): Remove b4_declare_parser_variables.
2388 (yypvarsinit): Remove init code for removed variables.
2389 (global scope): Do not declare b4_declare_parser_variables if
2390 push or pure mode.
2391 (yypushparse): Add b4_declare_parser_variables.
2392 Init new local variables, and remove init code for removed
2393 yypvars variables.
2394 (yyparse): Delete.
2395 * tests/calc.at (_AT_DATA_CALC_Y): Call yypushparse for push mode
2396 and yyparse for other modes.
2397 (AT_CHECK_CALC_LALR): Added '%skeleton "push.c"' for push tests.
2398 * tests/local.at (AT_PUSH_IF, AT_PURE_OR_PUSH_IF): Added.
2399 (AT_YYERROR_SEES_LOC_IF): push-parser makes this false.
2400 (AT_PURE_LEX_IF): True if pure or push parser.
2401
2402 2006-12-05 Joel E. Denny <jdenny@ces.clemson.edu>
2403
2404 Document Yacc prologue alternatives and default %destructor's and
2405 %printer's as experimental. Don't mention Java yet. Discussed at
2406 <http://lists.gnu.org/archive/html/bison-patches/2006-12/msg00002.html>.
2407 * NEWS (2.3a+): Say they're experimental. Remove any mention of Java.
2408 (2.3a): Annotate this entry to say the old forms of these features were
2409 also experimental.
2410 * doc/bison.texinfo (Prologue Alternatives, Freeing Discarded Symbols,
2411 Table of Symbols): Say they're experimental. Comment out any mention
2412 of Java (we'll want this back eventually).
2413
2414 2006-12-01 Joel E. Denny <jdenny@ces.clemson.edu>
2415
2416 Support a file name argument to %defines. Deprecate `=' in
2417 %file-prefix, %name-prefix, and %output. Discussed at
2418 <http://lists.gnu.org/archive/html/help-bison/2006-09/msg00001.html>.
2419 * NEWS (2.3a+): Mention.
2420 * doc/bison.texinfo (Decl Summary, Table of Symbols): Add entry for new
2421 form of %defines, and remove `=' from entries for %file-prefix,
2422 %name-prefix, and %output.
2423 * src/parse-gram.y (prologue_declaration): Implement.
2424 * tests/calc.at (Simple LALR Calculator, Simple GLR Calculator, Simple
2425 LALR1 C++ Calculator, Simple GLR C++ Calculator): Remove the `=' from
2426 all but one occurrence of %name-prefix.
2427 * tests/headers.at (export YYLTYPE): Remove the `=' from %name-prefix.
2428 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Likewise.
2429 * tests/output.at (AT_CHECK_OUTPUT): Remove the `=' from all but one
2430 occurrence of each of %file-prefix and %output. Add check for %defines
2431 with argument.
2432 * tests/reduce.at (Useless Terminals, Useless Nonterminals,
2433 Useless Rules, Reduced Automaton, Underivable Rules, Empty Language):
2434 Remove the `=' from %output.
2435
2436 2006-11-21 Joel E. Denny <jdenny@ces.clemson.edu>
2437
2438 Don't escape $ in test case titles since Autoconf 2.61 now does that
2439 correctly.
2440 * tests/actions.at (Default %printer and %destructor are not for error
2441 or $undefined): Here.
2442 (Default %printer and %destructor are not for $accept): Here.
2443 * tests/input.at (Invalid $n and @n): Here.
2444
2445 2006-11-20 Joel E. Denny <jdenny@ces.clemson.edu>
2446
2447 Rename <!> to <>. Discussed starting at
2448 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00039.html>.
2449 * NEWS (2.3a+): Update.
2450 * doc/bison.texinfo (Freeing Discarded Symbols, Table of Symbols):
2451 Update.
2452 * src/parse-gram.y (TYPE_TAG_NONE, generic_symlist_item): Implement.
2453 * src/scan-gram.l (INITIAL): Implement.
2454 * src/symlist.c (symbol_list_default_tagless_new): Update comment.
2455 * src/symlist.h (symbol_list, symbol_list_default_tagless_new): Update
2456 comment.
2457 * tests/actions.at (Default tagless %printer and %destructor,
2458 Default tagged and per-type %printer and %destructor,
2459 Default %printer and %destructor are not for error or $undefined,
2460 Default %printer and %destructor are not for $accept,
2461 Default %printer and %destructor for mid-rule values): Update.
2462 * tests/input.at (Default %printer and %destructor redeclared,
2463 Unused values with default %destructor): Update.
2464
2465 2006-11-17 Joel E. Denny <jdenny@ces.clemson.edu>
2466
2467 Don't let %prec take a nonterminal.
2468 * src/reader.c (grammar_current_rule_prec_set): Make the %prec symbol a
2469 token.
2470 * tests/input.at (%prec takes a token): New test checking that %prec
2471 won't take a nonterminal.
2472
2473 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
2474
2475 * tests/testsuite.at (AT_CHECK): Don't miss an exit value of 0 because
2476 it was double-quoted.
2477 * src/Makefile.am (YACC): Use --warnings=all,error so that Bison's own
2478 grammar is maintained with Bison's highest standards.
2479 * src/getargs.c: Fix some typos in Doxygen comments.
2480
2481 2006-11-10 Joel E. Denny <jdenny@ces.clemson.edu>
2482
2483 Fix memory leaks in scanners generated by at least Flex 2.5.9 and
2484 later. Reported by Paul Eggert in
2485 <http://lists.gnu.org/archive/html/bison-patches/2006-11/msg00014.html>.
2486 * src/flex-scanner.h (yylex_destroy): Define for Flex before 2.5.9.
2487 * src/scan-code.l (translate_action): Don't bother invoking
2488 yy_delete_buffer (YY_CURRENT_BUFFER) before creating the first buffer.
2489 (code_scanner_free): Instead of invoking
2490 yy_delete_buffer (YY_CURRENT_BUFFER) directly, invoke yylex_destroy,
2491 which frees more.
2492 * src/scan-gram.l (gram_scanner_free): Likewise.
2493 * src/scan-skel.l (scan_skel): Likewise.
2494
2495 2006-11-09 Joel E. Denny <jdenny@ces.clemson.edu>
2496
2497 * src/files.c (tr): Change return type to void.
2498 * src/muscle_tab.c (muscle_insert): Free storage in case muscle_grow
2499 has been called previously for the same key.
2500 (muscle_find): Return storage instead of value so that
2501 --enable-gcc-warnings doesn't produce warnings that the return discards
2502 const. aver that the value and storage are the same since storage
2503 could potentially be NULL when value is not.
2504 * tests/testsuite.at (AT_CHECK): Treat an unspecified exit value the
2505 same as 0.
2506
2507 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
2508
2509 * bootstrap.conf (excluded_files): Exclude m4/codeset.m4 (undoing
2510 the earlier change today), m4/intl.m4, m4/intldir.m4. This gives
2511 us a slightly cleaner distribution, and also works.
2512 * m4/.cvsignore: Add inline.m4, wint_t.m4 to accommodate recent
2513 gnulib changes.
2514
2515 2006-11-08 Joel E. Denny <jdenny@ces.clemson.edu>
2516 and Paul Eggert <eggert@cs.ucla.edu>
2517
2518 Don't let Bison leak memory except when it complains.
2519 * src/files.h (parser_file_name, spec_verbose_file, spec_graph_file):
2520 (spec_defines_file, dir_prefix): Now char *, not const char *,
2521 since they are freed.
2522 * src/files.c: Likewise.
2523 (all_but_ext, all_but_tab_ext, src_extension, header_extension):
2524 Likewise.
2525 (tr): Now operates in-place. All uses changed.
2526 (compute_exts_from_gf, compute_exts_from_src): Don't leak temporary
2527 values.
2528 (compute_file_name_parts, compute_output_file_names): Don't store
2529 read-only data in variables that will be freed.
2530 (compute_output_file_names): Free all_but_ext, all_but_tab_ext,
2531 src_extension, and header_extension.
2532 (output_file_names_free): New public function to free
2533 spec_verbose_file, spec_graph_file, spec_defines_file,
2534 parser_file_name, and dir_prefix.
2535 * src/getargs.c (getargs): Don't store read-only data in variables that
2536 will be freed.
2537 * src/main.c (main): Invoke output_file_names_free, code_scanner_free
2538 (which previously existed but was unused), and quotearg_free.
2539 * src/muscle_tab.h (muscle_insert): value arg is now a `char const *'.
2540 * src/muscle_tab.c: Likewise.
2541 (muscle_entry): Make the value char const *,
2542 and add a new storage member that is char * and can be freed.
2543 (muscle_entry_free): New private function.
2544 (muscle_init): Use it instead of free.
2545 (muscle_insert, muscle_grow): Update and use new storage member.
2546 (muscle_code_grow): Free the string passed to muscle_grow
2547 since it's not needed anymore.
2548 * src/parse-gram.y (%union): Make `chars' member a `char const *', and
2549 add a new `char *code' member.
2550 ("{...}"): Declare semantic type as code.
2551 * src/scan-code.h (translate_rule_action):
2552 (translate_symbol_action, translate_code, translate_action): Return
2553 `char const *' rather than `char *' since external code should not free
2554 these strings.
2555 * src/scan-code.l: Likewise.
2556 * src/scan-gram.l (<SC_BRACED_CODE>): Use val->code for BRACED_CODE,
2557 which is "{...}" in the parser.
2558 * tests/Makefile.am (maintainer-check-valgrind): Set
2559 VALGRIND_OPTS='--leak-check=full --show-reacheable=yes' before invoking
2560 Valgrind.
2561 * tests/calc.at (_AT_DATA_CALC_Y): fclose the FILE* so Valgrind doesn't
2562 complain.
2563 * tests/testsuite.at (AT_CHECK): Redefine so that running Bison and
2564 expecting a non-zero exit status sets --leak-check=summary and
2565 --show-reachable=no for Valgrind. Bison unabashedly leaks memory in
2566 this case, and we don't want to hear about it.
2567
2568 2006-11-08 Paul Eggert <eggert@cs.ucla.edu>
2569
2570 * bootstrap (runtime-po/Makevars): Derive from po/Makevars
2571 instead of from the template, to simplify configuration a bit.
2572 * bootstrap.conf (excluded_files): Don't exclude m4/codeset.m4
2573 and m4/wint_t.m4, as they are needed with the latest gnulib.
2574
2575 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
2576
2577 Disable unset/unused mid-rule value warnings by default, and recognize
2578 --warnings=midrule-values to enable them. Discussed starting at
2579 <http://lists.gnu.org/archive/html/help-bison/2006-10/msg00030.html>.
2580 * NEWS (2.3a+): Mention.
2581 * src/getargs.c, src/getargs.h (warnings_args, warnings_types, enum
2582 warnings): Add entry for midrule-values subargument.
2583 * src/reader.c (symbol_should_be_used): Don't return true just because
2584 the value is a set/used mid-rule value unless
2585 --warnings=midrule-values was specified.
2586 * tests/input.at (Unused values, Unused values before symbol
2587 declarations): Run tests with and without --warnings=midrule-values.
2588
2589 * src/reader.c (check_and_convert_grammar): Use symbol_list_free rather
2590 than LIST_FREE directly.
2591
2592 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
2593
2594 Finish implementing --warnings=error, which should not be implied by
2595 --warnings=all (or by its synonyms -W and --warnings without
2596 subarguments).
2597 * src/complain.c (set_warning_issued): New function to report that
2598 warnings are being treated as errors and to record an error if so.
2599 Invoke...
2600 (warn_at, warn): ... here.
2601 * src/getargs.c (warnings_args, warnings_types): Reorder so that
2602 "error - warnings are errors" does not appear above "all - all of the
2603 above".
2604 (getargs): For -W and --warnings without subarguments, don't let
2605 FLAGS_ARGMATCH set warnings_error in warnings_flag.
2606 * src/getargs.h (enum warnings): Unset warnings_error in warnings_all.
2607
2608 2006-10-31 Joel E. Denny <jdenny@ces.clemson.edu>
2609
2610 * src/getargs.c (flags_argmatch): Don't cause segmentation fault for
2611 empty subargument list. For example: `bison --warnings= parser.y'.
2612
2613 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
2614
2615 * data/push.c, data/yacc.c: Make sure there's a newline at the end of
2616 the parser header file so that gcc doesn't warn.
2617
2618 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
2619
2620 Split the default %destructor/%printer into two kinds: <*> and <!>.
2621 Discussed starting at
2622 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00060.html>.
2623 * NEWS (2.3a+): Mention.
2624 * doc/bison.texinfo (Freeing Discarded Symbols): Document this and the
2625 previous change today related to mid-rules.
2626 (Table of Symbols): Remove %symbol-default and add <*> and <!>.
2627 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): Remove.
2628 (TYPE_TAG_ANY): Add as <*>.
2629 (TYPE_TAG_NONE): Add as <!>.
2630 (generic_symlist_item): Remove RHS for %symbol-default and add RHS's
2631 for <*> and <!>.
2632 * src/scan-gram.l (PERCENT_SYMBOL_DEFAULT): Remove.
2633 (TYPE_TAG_ANY, TYPE_TAG_NONE): Add.
2634 * src/symlist.c (symbol_list_default_new): Split into tagged and
2635 tagless versions.
2636 (symbol_list_destructor_set, symbol_list_printer_set): Split
2637 SYMLIST_DEFAULT case into SYMLIST_DEFAULT_TAGGED and
2638 SYMLIST_DEFAULT_TAGLESS.
2639 * src/symlist.h: Update symbol_list_default*_new prototypes.
2640 (symbol_list.content_type): Split enum value SYMLIST_DEFAULT into
2641 SYMLIST_DEFAULT_TAGGED and SYMLIST_DEFAULT_TAGLESS.
2642 * src/symtab.c (default_destructor, default_destructor_location,
2643 default_printer, default_printer_location): Split each into tagged and
2644 tagless versions.
2645 (symbol_destructor_get, symbol_destructor_location_get,
2646 symbol_printer_get, symbol_printer_location_get): Implement tagged
2647 default and tagless default cases.
2648 (default_destructor_set, default_printer_set): Split each into tagged
2649 and tagless versions.
2650 * src/symtab.h: Update prototypes.
2651 * tests/actions.at (Default %printer and %destructor): Rename to...
2652 (Default tagless %printer and %destructor): ... this, and extend.
2653 (Per-type %printer and %destructor): Rename to...
2654 (Default tagged and per-type %printer and %destructor): ... this, and
2655 extend.
2656 (Default %printer and %destructor for user-defined end token): Extend.
2657 (Default %printer and %destructor are not for error or $undefined):
2658 Update.
2659 (Default %printer and %destructor are not for $accept): Update.
2660 (Default %printer and %destructor for mid-rule values): Extend.
2661 * tests/input.at (Default %printer and %destructor redeclared): Extend.
2662 (Unused values with default %destructor): Extend.
2663
2664 2006-10-21 Joel E. Denny <jdenny@ces.clemson.edu>
2665
2666 Don't apply the default %destructor/%printer to an unreferenced midrule
2667 value. Mentioned at
2668 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00104.html>.
2669 * src/symtab.c (dummy_symbol_get): Name all dummy symbols initially
2670 like $@n instead of just @n so that the default %destructor/%printer
2671 logic doesn't see them as user-defined symbols.
2672 (symbol_is_dummy): Check for both forms of the name.
2673 * src/reader.c (packgram): Remove the `$' from each midrule symbol
2674 name for which the midrule value is referenced in any action.
2675 * tests/actions.at (Default %printer and %destructor for mid-rule
2676 values): New test.
2677 * tests/regression.at (Rule Line Numbers, Web2c Report): Update output
2678 for change to dummy symbol names.
2679
2680 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
2681
2682 Warn about unset midrule $$ if the corresponding $n is used.
2683 * src/reader.c (symbol_should_be_used): Check midrule parent rule for
2684 $n usage.
2685 (packgram): Before invoking grammar_rule_check on any rule, make sure
2686 all actions have already been scanned in order to set `used' flags.
2687 Otherwise, checking that a midrule's $$ is set will not always work
2688 properly because the midrule check must forward-reference the midrule's
2689 parent rule.
2690 * tests/input.at (AT_CHECK_UNUSED_VALUES): Extend to check the new
2691 warning.
2692
2693 2006-10-20 Joel E. Denny <jdenny@ces.clemson.edu>
2694
2695 More improvements to the documentation of the prologue alternatives:
2696 * NEWS (2.3a+): Mention the new `Prologue Alternatives' section in the
2697 Bison manual.
2698 * doc/bison.texinfo (Prologue Alternatives): Correct some errors. Add
2699 some text to clarify the relative importance of the new directives and
2700 to show how these directives may be viewed as code labels.
2701
2702 2006-10-16 Joel E. Denny <jdenny@ces.clemson.edu>
2703
2704 Similar to the recently removed %before-header, add %code-top as the
2705 alternative to the pre-prologue. Mentioned at
2706 <http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00063.html>.
2707 Also, let the prologue alternatives appear in the grammar section.
2708 * src/parse-gram.y (PERCENT_CODE_TOP): New token.
2709 (prologue_declaration): Move the existing prologue alternatives to...
2710 (grammar_declaration): ... here and add %code-top.
2711 * src/scan-gram.l (PERCENT_CODE_TOP): New token.
2712
2713 Clean up and extend documentation for the prologue alternatives.
2714 * NEWS (2.3a+): Describe prologue alternatives.
2715 * doc/bison.texinfo (Prologue): Move discussion of prologue
2716 alternatives to...
2717 (Prologue Alternatives): ... this new section, and extend it to discuss
2718 all 4 directives in detail.
2719 (Table of Symbols): Clean up discussion of prologue alternatives and
2720 add %code-top.
2721
2722 2006-10-16 Juan Manuel Guerrero <juan.guerrero@gmx.de>
2723
2724 DJGPP specific issues.
2725
2726 * djgpp/config.bat: config.hin has been moved to lib. Adjust
2727 config.bat accordingly.
2728 * djgpp/config.sed: Adjust config.sed for the use of autoconf 2.60.
2729 * djgpp/config.site: Likewise.
2730
2731 2006-10-16 Paolo Bonzini <bonzini@gnu.org>
2732
2733 Replace %*-header with %provides, %requires, %code. See discussion at
2734 http://lists.gnu.org/archive/html/bison-patches/2006-10/msg00002.html
2735
2736 * data/bison.m4 (b4_user_requires, b4_user_provides): New.
2737 (b4_user_start_header): Remove.
2738 * data/glr.c: Use new macros instead of b4_*start_header
2739 and b4_*end_header.
2740 * data/glr.cc: Likewise.
2741 * data/lalr1.cc: Likewise.
2742 * data/push.c: Likewise.
2743 * data/yacc.c: Likewise.
2744
2745 * doc/bison.texinfo: Remove %before-header, rename
2746 %{start,end,after}-header to %requires, %provides, %code.
2747
2748 * src/parse-gram.y: Likewise (also rename token names accordingly).
2749 * src/scan-gram.l: Likewise.
2750 * tests/actions.at: Likewise.
2751
2752 2006-10-14 Paul Eggert <eggert@cs.ucla.edu>
2753
2754 * lib/Makefile.am (AM_CFLAGS): Remove $(WERROR_CFLAGS).
2755 Problem reported by Joel E. Denny.
2756
2757 2006-10-14 Jim Meyering <jim@meyering.net>
2758
2759 (Sync from coreutils.)
2760 Work also when the working directory (with e.g. coreutils sources)
2761 is version controlled with git, rather than CVS.
2762 * bootstrap (CVS_only_file): Test for the existence of README-cvs,
2763 rather than CVS.
2764 In messages and comments, say e.g., "checked-out sources",
2765 rather than "CVS sources".
2766 (version_controlled_file): New function. Work for git as well as
2767 for CVS. Don't use grep's -q option.
2768 (slurp): Call it here, in place of CVS-specific code.
2769
2770 2006-10-14 Joel E. Denny <jdenny@ces.clemson.edu>
2771
2772 Fix testsuite for ./configure --enable-gcc-warnings:
2773 * configure.ac (gcc-warnings): Move -Wall before -Wno-sign-compare.
2774 Otherwise, gcc 4.1.0 (at least) warns about sign comparisons in
2775 __AT_CHECK_PRINTER_AND_DESTRUCTOR in tests/actions.at.
2776 * test/input.at (Torturing the Scanner): #include <stdlib.h> for abort.
2777 * test/regression.at (Diagnostic that expects two alternatives):
2778 Likewise.
2779
2780 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
2781
2782 * bootstrap.conf (gnulib_modules): Add config-h.
2783 * djgpp/subpipe.c: Include <config.h> unconditionally; don't
2784 worry about HAVE_CONFIG_H.
2785 * lib/abitset.c: Likewise.
2786 * lib/bitset.c: Likewise.
2787 * lib/bitset_stats.c: Likewise.
2788 * lib/bitsetv-print.c: Likewise.
2789 * lib/bitsetv.c: Likewise.
2790 * lib/ebitset.c: Likewise.
2791 * lib/get-errno.c: Likewise.
2792 * lib/lbitset.c: Likewise.
2793 * lib/subpipe.c: Likewise.
2794 * lib/timevar.c: Likewise.
2795 * lib/vbitset.c: Likewise.
2796 * lib/bitset.c: Include "bitset.h" first, to test interface.
2797 * lib/bitset_stats.c: Include "bitset_stats.h" first.
2798 * lib/bitsetv-print.c: Include "bitsetv-print.h" first.
2799 * lib/bitsetv.c: Include "bitsetv.h" first.
2800 * lib/get-errno.c: Include "get-errno.h" first.
2801 * m4/.cvsignore: Add config-h.m4.
2802 * tests/actions.at (Default %printer and %destructor for ...):
2803 Adjust expected line numbers in output to reflect removal of #if
2804 HAVE_CONFIG_H lines.
2805 * tests/glr-regression.at (Missed %merge type warnings when ...):
2806 Likewise.
2807 * tests/regression.at (Braced code in declaration in rules section):
2808 Likewise.
2809 * tests/atlocal.in (CPPFLAGS): Don't define HAVE_CONFIG_H.
2810 * tests/local.at (AT_DATA_GRAMMAR_PROLOGUE):
2811 Include <config.h> unconditionally.
2812
2813 * bootstrap: Sync from coreutils, as follows:
2814
2815 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
2816
2817 * bootstrap (symlink_to_gnulib): Fix bug: the dot_dots shell
2818 variable was sometimes used without being initialized. This
2819 messed up the installation of the INSTALL file in some cases.
2820
2821 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
2822
2823 * bootstrap (usage, main program, symlink_to_gnulib): Add option
2824 --copy. Inspired by a suggestion from Bruno Haible.
2825
2826 2006-10-03 Jim Meyering <jim@meyering.net>
2827
2828 * bootstrap: Undo last change to this file, since now gnulib-tool
2829 sticks with the automake default in generating dependencies.
2830
2831 2006-10-12 Paul Eggert <eggert@cs.ucla.edu>
2832
2833 * configure.ac: Use AC_PROG_CC_STDC; this is more modern than
2834 the old AC_PROG_CC / AM_PROG_CC_STDC combination.
2835
2836 * doc/bison.1: Add copyright notice.
2837
2838 * data/glr.c: Don't include <stdarg.h>; not used.
2839
2840 * NEWS: The -g and --graph options now output graphs in Graphviz
2841 DOT format, not VCG format.
2842 * doc/bison.1: Likewise.
2843 * doc/bison.texinfo (Understanding, Bison Options): Likewise.
2844 * THANKS: Add Satya Kiran Popuri, who proposed the initial version
2845 of this change in
2846 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00158.html>.
2847 * TODO: Remove Graphviz entry.
2848 * src/Makefile.am (bison_SOURCES): Add graphviz.c and graphviz.h;
2849 remove vcg.c, vcg.h, vcg_defaults.h.
2850 * src/vcg.c, src/vcg.h, src/vcg_defaults.h: Remove.
2851 * src/graphviz.c, src/graphviz.h: New files.
2852 * src/files.c (compute_output_file_names): Output .dot, not .vcg.
2853 * src/files.h: Make comment more generic.
2854 * src/main.c (main): Likewise.
2855 * src/print_graph.h: Likewise.
2856 * src/getargs.c (usage): Make usage description more generic.
2857 * src/print_graph.c: Include graphviz.h rather than vcg.h.
2858 (static_graph, fgraph): Remove. All uses changed to pass
2859 arguments instead of sharing a static var.
2860 (print_core, print_actions, print_state, print_graph):
2861 Output graphviz format rather than VCG format.
2862 * tests/.cvsignore: Remove *.vcg; add *.dot.
2863 * tests/output.at: Expect *.dot files, not *.vcg files.
2864
2865 * data/Makefile.am (dist_pkgdata_DATA): Add bison.m4; this
2866 accommodates the 2006-10-08 change.
2867
2868 2006-10-11 Bob Rossi <bob@brasko.net>
2869
2870 * data/push.c (yypushparse, yypvarsinit, yypvars): Wrap in b4_push_if.
2871 (b4_yyssa, b4_yyerror_range): New macros.
2872 (struct yypvars): Remove yyssa_ptr and yyerror_range_ptr fields.
2873 (yypvarsinit): Remove init of removed fields.
2874 (yypushparse): Remove use of removed fields; use new macros instead.
2875
2876 2006-10-11 Paul Eggert <eggert@cs.ucla.edu>
2877
2878 * data/push.c (yypushparse): Fix memory leak if yymsg is malloced
2879 in a push parser. Reindent slightly to match yacc.c better.
2880
2881 2006-10-11 Bob Rossi <bob@brasko.net>
2882
2883 * data/push.c (struct yypvars): Remove yymsgbuf, yymsgbuf_ptr, yymsg,
2884 yymsg_alloc fields.
2885 (yypvarsinit, yypushparse): Remove init of removed fields.
2886 (yypushparse): Use yymsgbuf instead of yymsgbuf_ptr.
2887
2888 2006-10-09 Paul Eggert <eggert@cs.ucla.edu>
2889
2890 * THANKS: Add Paolo Bonzini and Bob Rossi.
2891
2892 2006-10-08 Paolo Bonzini <bonzini@gnu.org>
2893
2894 * data/c.m4 (b4_copyright, b4_epilogue, b4_location_initial_column,
2895 b4_location_initial_line, p4_parse_param, b4_ints_in, b4_flag_if,
2896 b4_define_flag_if and uses, b4_basename, b4_syncline, b4_user_code,
2897 b4_define_user_cde and uses): Remove.
2898 (b4_comment, b4_prefix, b4_sync_start): New.
2899 * data/bison.m4: New file, with most of the content removed from c.m4.
2900 * src/muscle_tab.h: Use "do {...} while(0)" throughout.
2901 * src/output.c (output_skeleton): Pass bison.m4.
2902 (prepare): Pass glr_flag and nondeterministic_flag. Pass prefix
2903 only if specified.
2904
2905 2006-10-05 Paul Eggert <eggert@cs.ucla.edu>
2906
2907 Fix test failure reported by Tom Lane in
2908 <http://lists.gnu.org/archive/html/bug-bison/2006-10/msg00000.html>
2909 and try to make such failures easier to catch in the future.
2910 * data/glr.c (YYTRANSLATE): Don't check for nonpositive arg;
2911 that's now the caller's responsibility.
2912 (yyprocessOneStack, yyrecoverSyntaxError, yyparse):
2913 Set yychar = YYEOF if it's negative.
2914 * tests/actions.at (yylex): Abort if asked to read past EOF.
2915 * tests/conflicts.at (yylex): Likewise.
2916 * tests/cxx-type.at (yylex): Likewise.
2917 * tests/glr-regression.at (yylex): Likewise.
2918 * tests/input.at (yylex): Likewise.
2919 * tests/regression.at (yylex): Likewise.
2920 * tests/torture.at (yylex): Likewise.
2921
2922 2006-10-01 Paul Eggert <eggert@cs.ucla.edu>
2923
2924 Fix problems with translating English-language diagnostics.
2925 * bootstrap: Fix bug introduced in recent bootstrap changes, with
2926 respect to bison-runtime pot generation. The YY_ stuff
2927 wasn't being captured.
2928 * bootstrap.conf (XGETTEXT_OPTIONS_RUNTIME): New var.
2929 * po/POTFILES.in: Add src/location.c, src/scan-code.l.
2930 * runtime-po/POTFILES.in: Add data/push.c.
2931
2932 2006-09-29 Paul Eggert <eggert@cs.ucla.edu>
2933
2934 Merge bootstrap changes from coreutils.
2935
2936 2006-09-28 Jim Meyering <jim@meyering.net>
2937
2938 Automatically generated dependencies are important even
2939 when all of the sources in a directory come from gnulib.
2940 * bootstrap (gnulib_tool): Remove the "no-dependencies" automake
2941 option that gnulib-tool adds to what becomes our lib/gnulib.mk.
2942
2943 2006-09-23 Jim Meyering <jim@meyering.net>
2944
2945 * bootstrap (gnulib_tool_options): Add "--local-dir gl".
2946
2947 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
2948
2949 * bootstrap: Add support for --force.
2950 (usage): New function. Describe usage less tersely.
2951 (CVS_only_file): New var.
2952
2953 2006-09-21 Paul Eggert <eggert@cs.ucla.edu>
2954
2955 * data/push.c (YYPUSH_MORE): Make it an enum instead.
2956 (yypushparse): Use YYPUSH_MORE instead of the mystery constant.
2957 Adjust white space and comments to match GNU style better.
2958
2959 2006-09-20 Bob Rossi <bob@brasko.net>
2960
2961 * data/push.c (yyresult_get): Remove function.
2962 (YYPUSH_MORE): Add #define.
2963 (yypushparse): Modify return value.
2964
2965 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
2966
2967 * stamp-h.in: Remove; no longer needed.
2968 * .cvsignore: Replace autom4te.cache and config.cache with *.cache.
2969 Remove config.h, config.hin, intl (no longer created).
2970 * lib/.cvsignore: Add config.h, config.hin, configmake.h, inttypes.h,
2971 stamp-h1.
2972
2973 Sync bootstrap from coreutils, as follows:
2974
2975 2006-09-18 Paul Eggert <eggert@cs.ucla.edu>
2976
2977 * bootstrap (symlink_to_gnulib): New function.
2978 (cp_mark_as_generated): Use it, to prefer symlinks-to-gnulib
2979 to copies-of-gnulib.
2980 (cp_mark_as_generated, slurp, gnulib_files):
2981 Avoid making a copy if it's the same as the old version.
2982 (gnulib_files): Add support for this variable (used by Bison).
2983
2984 2006-09-20 Paul Eggert <eggert@cs.ucla.edu>
2985
2986 * src/getargs.c (usage): Rework to use conventions similar to
2987 coreutils, to make translation a bit easier and the code a bit
2988 smaller. Problem reported by Tim Van Holder.
2989
2990 2006-09-15 Paul Eggert <eggert@cs.ucla.edu>
2991
2992 Use some of gnulib's new modules, taken from coreutils.
2993
2994 * bootstrap: Sync from coreutils, except add support for gnulib_files.
2995 * bootstrap.conf: New file.
2996 (gnulib_modules): Add configmake, inttypes, unistd.
2997 (XGETTEXT_OPTIONS): Add complain, complain_at,
2998 fatal, fatal_at, warn, warn_at, unexpected_end.
2999 * configure.ac (AC_CONFIG_HEADERS): config.h is now in lib, not here.
3000 (gl_USE_SYSTEM_EXTENSIONS): Remove; gl_EARLY now does this.
3001 (gl_EARLY): Add.
3002 (AM_STDBOOL_H): Remove; gl_INIT now dows this.
3003 (gl_INIT): Add
3004 (GNULIB_AUTOCONF_SNIPPET): Remove.
3005 (AM_GNU_GETTEXT): Add; require formatstring macros since that's
3006 the pickiest.
3007 * lib/.cvsignore: Add inttypes_.h.
3008 * lib/Makefile.am: Include gnulib.mk first so we can append to it.
3009 (AM_CFLAGS): Add WERROR_CFLAGS, to be more like coreutils.
3010 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES): Remove
3011 no-longer-necessary initializations.
3012 (lib_SOURCES): Remove, replacing by libbison_a_SOURCES.
3013 * lib/subpipe.c: Include <unistd.h> unconditionally, now that we
3014 use the unistd module.
3015 * src/system.h: Likewise.
3016 * m4/.cvsignore: Remove *_gl.m4, gnulib.m4, inttypes_h.m4, uintmax_t.m4,
3017 ulonglong.m4. Add gettext.m4, gnulib-cache.m4, gnulib-comp.m4,
3018 gnulib-tool.m4, inttypes-h.m4, inttypes-pri.m4, inttypes.m4.
3019 * src/Makefile.am (DEFS): Remove, since configmake does this for us.
3020 (AM_CPPFLAGS): Remove -I../lib, since Automake does that for us.
3021 * src/system.h: Include inttypes.h unconditionally, now that we
3022 use the inttypes module. Don't bother to include stdint.h, since
3023 inttypes.h now does that for us.
3024 (LOCALEDIR): Remove, now that we use the configmake module.
3025 * src/getargs.c: Include configmake.h.
3026 * src/main.c: Likewise.
3027 * src/output.c: Likewise.
3028 * tests/atlocal.in (CPPFLAGS): Include from $abs_top_builddir/lib,
3029 not from $abs_top_builddir, since config.h moved.
3030
3031
3032 Port to GCC 2.95. First two problems reported by Michael Deutschmann in
3033 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00018.html>.
3034
3035 * src/parse-gram.y (symbol_declaration): Don't put statements
3036 before declarations; it's not portable to C89.
3037 * src/scan-code.l (handle_action_at): Likewise.
3038
3039 * src/scan-code.l: Always initialize braces_level; the old code
3040 left it uninitialized and therefore had undefined behavior.
3041
3042 Don't attempt to redefine 'assert', since it runs afoul of
3043 systems where standard headers (mistakenly) include <assert.h>.
3044 Instead, define and use our own alternative, called 'aver'.
3045 * src/reader.c: Don't include assert.h, since we no longer
3046 use assert.
3047 * src/scan-code.l: Likewise.
3048 * src/system.h (assert): Remove, replacing with....
3049 (aver): New function, taking a bool arg. All uses changed.
3050 * src/tables.c (pack_vector): Ensure that aver arg is bool,
3051 not merely an integer.
3052
3053 2006-09-15 Bob Rossi <bob@brasko.net>
3054
3055 * data/Makefile.am (dist_pkgdata_DATA): Add push.c.
3056 * data/c.m4 (YYPUSH): New.
3057 (b4_push_if): New macro. Use it instead of #ifdef YYPUSH.
3058 * src/getargs.c (push_parser): New var.
3059 * src/getargs.h (push_parser): New declaration.
3060 * src/output.c (prepare): Add macro insertion of `push_flag'.
3061 * src/parse-gram.y (PERCENT_PUSH_PARSER): New token.
3062 (prologue_declaration): Parse %push-parser.
3063 * src/scan-gram.l: Scan new PERCENT_PUSH_PARSER token.
3064 * tests/calc.at (_AT_CHECK_CALC_ERROR): Add "Return" and "Now" to
3065 list of removed lines from the traces observed.
3066 (AT_CHECK_CALC_LALR): Added push parser tests.
3067
3068 2006-09-13 Paul Eggert <eggert@cs.ucla.edu>
3069
3070 * NEWS: Version 2.3a.
3071 * configure.ac (AC_INIT): Likewise.
3072
3073 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Remove
3074 "#define YYSTYPE int" that caused "make maintainer-check" to fail
3075 due to header ordering dependencies. I don't know why the #define
3076 was there.
3077
3078 Fix glr.cc and lalr1.cc's use of YYDEBUG so that there's zero
3079 runtime cost when YYDEBUG is not defined, and so that some tests
3080 that used to fail now work. Problem and initial suggestion by
3081 Paolo Bonzini.
3082 * data/c++.m4 (b4_parse_param_cons): Omit leading ','.
3083 * data/glr.cc (b4_parser_class_name):
3084 Initialize yycdebug_ only if YYDEBUG. Also, initialize yydebug_.
3085 (debug_level, set_debug_level): Affect yydebug_, not ::yydebug.
3086 (yydebug_) [YYDEBUG]: New member.
3087 (yycdebug_): Now defined only if YYDEBUG.
3088 * data/lalr1.cc (yydebug_, yycdebug_): Now defined only if YYDEBUG.
3089 (YYCDEBUG) [!YYDEBUG]: Don't use yydebug_ and yycdebug_.
3090 (b4_parser_class_name): Initialize yydebug_ and yycdebug_ only
3091 if YYYDEBUG.
3092 (debug_stream, set_debug_stream, debug_level, set_debug_level):
3093 Define only if YYDEBUG.
3094 * tests/calc.at (_AT_DATA_CALC_Y) [!YYDEBUG]: Omit call to
3095 set_debug_level.
3096 * tests/regression.at (_AT_DATA_DANCER_Y) [!YYDEBUG]: Likewise.
3097 * tests/calc.at (AT_CHECK_CALC_GLR_CC): Uncomment calls to
3098 AT_CHECK_CALC_GLR_CC that are working now.
3099
3100 2006-09-12 Paul Eggert <eggert@cs.ucla.edu>
3101
3102 * data/glr.cc (YYERROR_VERBOSE, YYTOKEN_TABLE): Remove.
3103 We don't need them in glr.cc, and glr.c defines them.
3104 Defining YYERROR_VERBOSE to 0 here breaks glr.c, since glr.c
3105 assumes that defining it to anything is the same as defining
3106 it to 1. Problem reported by Paolo Bonzini.
3107
3108 2006-09-12 Paolo Bonzini <bonzini@gnu.org> (tiny change)
3109
3110 * data/c.m4 (b4_null, b4_case): Define.
3111 * src/output.c (prepare_symbols): Use b4_null.
3112 (user_actions_output): Use b4_case.
3113
3114 2006-09-11 Paul Eggert <eggert@cs.ucla.edu>
3115
3116 * data/glr.c (b4_shared_declarations): Put start-header first,
3117 before any #includes that we generate, so that feature-test
3118 macros work. Problem reported by Michael Deutschmann in
3119 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00004.html>.
3120 * data/lalr1.cc: Likewise.
3121 * doc/bison.texinfo (Prologue): Document that feature-test macros
3122 should be defined before any Bison declarations.
3123 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Put defns
3124 that depend on location.hh after, not before, Bison decls, since
3125 we now include location.hh after the first user prologue.
3126
3127 * doc/bison.texinfo (Calc++ Parser): Fix memory leak reported by
3128 Sander Brandenburg in
3129 <http://lists.gnu.org/archive/html/bug-bison/2006-09/msg00002.html>.
3130 Also, fix minor white space and comment issues.
3131 (Prologue): Mention that it's better to define feature-test macros
3132 before Bison declarations. Problem reported by Michael Deutschmann.
3133
3134 * README-cvs: Fix typo: "&" should be "&&". Problem reported
3135 by Jim Meyering.
3136 * m4/.cvsignore: Add argmatch.m4. Remove obstack.m4, strerror_r.m4.
3137 This adjusts to recent gnulib changes.
3138
3139 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
3140
3141 Finish implementation of per-type %destructor/%printer. Discussed
3142 starting at
3143 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>
3144 and
3145 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>.
3146 * NEWS (2.3+): Add a description of this feature to the default
3147 %destructor/%printer description.
3148 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise.
3149 * src/symlist.c (symbol_list_destructor_set, symbol_list_printer_set):
3150 Invoke semantic_type_destructor_set or semantic_type_printer_set when a
3151 list node contains a semantic type.
3152 * src/symtab.c, src/symtab.h: Extend with a table that associates
3153 semantic types with their %destructor's and %printer's.
3154 (semantic_type_from_uniqstr, semantic_type_get,
3155 semantic_type_destructor_set, semantic_type_printer_set): New functions
3156 composing the public interface of that table.
3157 (symbol_destructor_get, symbol_destructor_location_get,
3158 symbol_printer_get, symbol_printer_location_get): If there's no
3159 per-symbol %destructor/%printer, look up the per-type before trying
3160 the default.
3161 * tests/actions.at (Per-type %printer and %destructor): New test case.
3162 * tests/input.at (Default %printer and %destructor redeclared):
3163 Extend to check that multiple occurrences of %symbol-default in a
3164 single %destructor/%printer declaration is an error.
3165 (Per-type %printer and %destructor redeclared, Unused values with
3166 per-type %destructor): New test cases.
3167
3168 2006-09-04 Joel E. Denny <jdenny@ces.clemson.edu>
3169
3170 Require default %destructor/%printer to be declared using
3171 %symbol-default instead of an empty symbol list, and start working on
3172 new per-type %destructor/%printer. Discussed at
3173 <http://lists.gnu.org/archive/html/bison-patches/2006-09/msg00007.html>.
3174 * NEWS (2.3+): Add %symbol-default to example.
3175 * bison.texinfo (Freeing Discarded Symbols): Likewise.
3176 (Table of Symbols): Add entry for %symbol-default.
3177 * src/parse-gram.y (PERCENT_SYMBOL_DEFAULT): New token.
3178 (generic_symlist, generic_symlist_item): New nonterminals for creating
3179 a list in which each item is a symbol, semantic type, or
3180 %symbol-default.
3181 (grammar_declaration): Use generic_symlist in %destructor and %printer
3182 declarations instead of symbols.1 or an empty list.
3183 (symbol_declaration, precedence_declaration, symbols.1): Update actions
3184 for changes to symbol_list.
3185 * src/reader.c: Update for changes to symbol_list.
3186 * src/scan-code.l: Likewise.
3187 * src/scan-gram.l: Scan new PERCENT_SYMBOL_DEFAULT token.
3188 * src/symlist.c, src/symlist.h: Extend such that a list node may
3189 represent a semantic type or a %symbol-default in addition to just an
3190 ordinary symbol. Add switched functions for setting %destructor's and
3191 %printer's.
3192 * tests/actions.at, tests/input.at: Add %symbol-default to all default
3193 %destructor/%printer declarations.
3194
3195 2006-08-23 Joel E. Denny <jdenny@ces.clemson.edu>
3196
3197 Whether the default %destructor/%printer applies to a particular symbol
3198 isn't a question of whether the user *declares* that symbol (in %token,
3199 for example). It's a question of whether the user by any means
3200 *defines* the symbol at all (by simply using a char token, for
3201 example). $end is defined by Bison whereas any other token with token
3202 number 0 is defined by the user. The error token is always defined by
3203 Bison regardless of whether the user declares it with %token, but we
3204 may one day let the user define error as a nonterminal instead.
3205 * NEWS (2.3+): Say "user-defined" instead of "user-declared".
3206 * doc/bison.texinfo (Freeing Discarded Symbols): Likewise, and document
3207 the meaning of "user-defined".
3208 * tests/actions.at (Default %printer and %destructor for user-declared
3209 end token): Rename to...
3210 (Default %printer and %destructor for user-defined end token): ...
3211 this.
3212
3213 * src/symtab.c (symbol_destructor_get, symbol_printer_get): In the
3214 computation of whether to apply the default, don't maintain a list of
3215 every Bison-defined symbol. Instead, just check for a first character
3216 of '$', which a user symbol cannot have, and check for the error token.
3217
3218 2006-08-21 Joel E. Denny <jdenny@ces.clemson.edu>
3219
3220 Don't apply the default %destructor or %printer to the error token,
3221 $undefined, or $accept. This change fits the general rule that the
3222 default %destructor and %printer are only for user-declared symbols,
3223 and it solves several difficulties that are described in the new test
3224 cases listed below.
3225 * src/symtab.c (symbol_destructor_get, symbol_printer_get): Implement.
3226 * tests/actions.at (Default %printer and %destructor are not for error
3227 or $undefined, Default %printer and %destructor are not for $accept):
3228 New test cases.
3229
3230 2006-08-19 Joel E. Denny <jdenny@ces.clemson.edu>
3231
3232 Allow %start after the first rule.
3233 * src/reader.c (grammar_current_rule_begin): Don't set the start symbol
3234 when parsing the first rule.
3235 (check_and_convert_grammar): Search for it here after all grammar
3236 declarations have been parsed. Skip midrules, which have dummy LHS
3237 nonterminals.
3238 * src/symtab.c (symbol_is_dummy): New function.
3239 * src/symtab.h (symbol_is_dummy): Declare it.
3240 * tests/input.at (%start after first rule): New test.
3241
3242 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
3243
3244 Redo some of the previous commit: add back the ability to use
3245 non-aliased/undeclared string literals since it might be useful to
3246 those declaring %token-table.
3247 * src/reader.c (check_and_convert_grammar): Undo changes in previous
3248 commit: don't worry about complaints from symbols_pack.
3249 * src/symtab.c (symbol_new, symbol_class_set,
3250 symbol_check_alias_consistency): Undo changes in previous commit: count
3251 each string literal as a new symbol and token, assign it a symbol
3252 number, and don't complain about non-aliased string literals.
3253 (symbols_pack): Since symbol_make_alias still does not decrement symbol
3254 and token counts but does still set aliased tokens to the same number,
3255 symbol_pack_processor now leaves empty slots in the symbols array.
3256 Remove those slots.
3257 * tests/regression.at (Undeclared string literal): Remove test case
3258 added in previous commit since non-aliased string literals are allowed
3259 again.
3260 (Characters Escapes, Web2c Actions): Undo changes in previous commit:
3261 remove unnecessary string literal declarations.
3262 * tests/sets.at (Firsts): Likewise.
3263
3264 2006-08-18 Joel E. Denny <jdenny@ces.clemson.edu>
3265
3266 Don't allow an undeclared string literal, but allow a string literal to
3267 be used before its declaration.
3268 * src/reader.c (check_and_convert_grammar): Don't invoke packgram if
3269 symbols_pack complained.
3270 * src/symtab.c (symbol_new): Don't count a string literal as a new
3271 symbol.
3272 (symbol_class_set): Don't count a string literal as a new token, and
3273 don't assign it a symbol number since symbol_make_alias does that.
3274 (symbol_make_alias): It's not necessary to decrement the symbol and
3275 token counts anymore. Don't assume that an alias declaration occurs
3276 before any uses of the identifier or string, and thus don't assert that
3277 one of them has the highest symbol number so far.
3278 (symbol_check_alias_consistency): Complain if there's a string literal
3279 that wasn't declared as an alias.
3280 (symbols_pack): Bail if symbol_check_alias_consistency failed since
3281 symbol_pack asserts that every token has been assigned a symbol number
3282 although undeclared string literals have not.
3283 * tests/regression.at (String alias declared after use, Undeclared
3284 string literal): New test cases.
3285 (Characters Escapes, Web2c Actions): Declare string literals as
3286 aliases.
3287 * tests/sets.at (Firsts): Likewise.
3288
3289 2006-08-14 Joel E. Denny <jdenny@ces.clemson.edu>
3290
3291 In the grammar scanner, STRING_FINISH unclosed constructs and return
3292 them to the parser in order to improve error messages.
3293 * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER,
3294 SC_BRACED_CODE, SC_PROLOGUE): Implement.
3295 * tests/input.at (Unclosed constructs): New test case.
3296 * tests/regression.at (Invalid inputs): Update now that unclosed %{ is
3297 seen.
3298
3299 * src/scan-gram.h, src/scan-gram.l (gram_last_braced_code_loc): Remove
3300 unused global.
3301
3302 2006-08-13 Joel E. Denny <jdenny@ces.clemson.edu>
3303
3304 Handle string aliases for character tokens correctly.
3305 * src/symtab.c (symbol_user_token_number_set): If the token has an
3306 alias, check and set its alias's user token number instead of its own,
3307 which is set to indicate the alias. Previously, every occurrence of
3308 the character token in the grammar overwrote that alias indicator with
3309 the character code.
3310 * tests/input.at (String aliases for character tokens): New test.
3311
3312 2006-08-12 Joel E. Denny <jdenny@ces.clemson.edu>
3313
3314 * src/parse-gram.y: Add `%expect 0' so we don't overlook conflicts.
3315
3316 2006-08-11 Paul Eggert <eggert@cs.ucla.edu>
3317
3318 * bootstrap: Put in need-ngettext argument to AM_GNU_GETTEXT,
3319 to prevent failures when building on older platforms.
3320 Check for autopoint failure.
3321 Set XGETTEXT_OPTIONS to values that check for C format strings,
3322 so that translators are warned about them (this also helps
3323 prevent core dumps).
3324
3325 * lib/subpipe.c (create_subpipe): Use new gnulib pipe_safer
3326 function, since it simplifies our code a bit.
3327
3328 * configure.ac (AC_ARG_ENABLE): Use -Wextra -Wno-sign-compare
3329 rather than -W, so we don't get bogus warnings about sign comparisons.
3330 Add -Wpointer-arith, since that warning is useful (it reports code
3331 that does not conform to C89 and that some compilers reject).
3332 * data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c: Undo latest change,
3333 since it's no longer needed.
3334
3335 2006-08-10 Joel E. Denny <jdenny@ces.clemson.edu>
3336
3337 Clean up scanners a bit.
3338 * src/flex-scanner.h (FLEX_NO_OBSTACK): New macro that blocks obstack
3339 definitions so gcc won't warn when obstack_for_string is unused.
3340 * src/scan-code.l: config.h and system.h are already #include'd by
3341 scan-code-c.c, so get rid of them here.
3342 * src/scan-gram.l: Likewise.
3343 * src/scan-skel.l: Likewise, and use flex-scanner.h without obstack
3344 definitions rather than duplicating the rest of it.
3345 * src/scan-gram-c.c, scan-skel-c.c: #include "system.h".
3346
3347 2006-08-09 Joel E. Denny <jdenny@ces.clemson.edu>
3348
3349 Suppress signed/unsigned comparison warnings for yycheck.
3350 * data/c.m4 (b4_safest_int_type): New macro.
3351 * data/glr.c, data/lalr1.cc: Wherever you compare yycheck[i] against
3352 a signed int type, cast it to b4_safest_int_type first.
3353 * data/yacc.c: Likewise.
3354 (b4_safest_int_type): Overwrite the one from c.m4 since b4_int_type is
3355 also overwritten.
3356
3357 2006-08-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> (tiny change)
3358
3359 * doc/bison.texinfo: Fix some typos.
3360
3361 2006-08-02 Paul Eggert <eggert@cs.ucla.edu>
3362
3363 * m4/.cvsignore: Add inttypes_h.m4,lib-ld.m4, lib-prefix.m4,
3364 po.m4, stdint_h.m4, uintmax_t.m4, ulonglong.m4, warning.m4.
3365
3366 * bootstrap (gnulib_tool): Stop using --assume-autoconf;
3367 the latest gnulib does this a different way.
3368 (get_translations): Sharuzzaman Ahmat Raslan reported that the ms
3369 translation was patched, so stop omitting it.
3370
3371 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
3372
3373 Enable declaration of default %printer/%destructor. Make the parser
3374 use these for all user-declared grammar symbols for which the user does
3375 not declare a specific %printer/%destructor. Thus, the parser uses it
3376 for token 0 if the user declares it but not if Bison generates it as
3377 $end. Discussed starting at
3378 <http://lists.gnu.org/archive/html/bison-patches/2006-02/msg00064.html>,
3379 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00091.html>,
3380 and
3381 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>.
3382 * NEWS (2.3+): Mention.
3383 * doc/bison.texinfo (Actions in Mid-Rule): It's no longer impossible to
3384 declare a %destructor for a mid-rule's semantic value. It's just
3385 impossible to declare one specific to it.
3386 (Freeing Discarded Symbols): Mention that @$ can be used in %destructor
3387 code. Describe default %destructor form.
3388 * src/parse-gram.y (grammar_declaration): Parse default
3389 %printer/%destructor declarations.
3390 * src/output.c (symbol_destructors_output): Use symbol_destructor_get
3391 and symbol_destructor_location_get rather than accessing the destructor
3392 and destructor_location members of struct symbol.
3393 (symbol_printers_output): Likewise but for %printer's.
3394 * src/reader.c (symbol_should_be_used): Likewise but for %destructor's
3395 again.
3396 * src/symtab.c (default_destructor, default_destructor_location,
3397 default_printer, default_printer_location): New static global
3398 variables to record the default %destructor and %printer.
3399 (symbol_destructor_get, symbol_destructor_location_get,
3400 symbol_printer_get, symbol_printer_location_get): New functions to
3401 compute the appropriate %destructor and %printer for a symbol.
3402 (default_destructor_set, default_printer_set): New functions to set the
3403 default %destructor and %printer.
3404 * src/symtab.h: Prototype all those new functions.
3405 * tests/actions.at (Default %printer and %destructor): New test to
3406 check that the right %printer and %destructor are called, that they're
3407 not called for $end, and that $$ and @$ work correctly.
3408 (Default %printer and %destructor for user-declared end token): New
3409 test to check that the default %printer and %destructor are called for
3410 a user-declared end token.
3411 * tests/input.at (Default %printer and %destructor redeclared, Unused
3412 values with default %destructor): New tests to check related grammar
3413 warnings and errors.
3414
3415 2006-07-29 Joel E. Denny <jdenny@ces.clemson.edu>
3416
3417 Clean up handling of %destructor for the end token (token 0).
3418 Discussed starting at
3419 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00019.html>
3420 and
3421 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00013.html>.
3422
3423 Make the skeletons consistent in how they pop the end token and invoke
3424 its %destructor.
3425 * data/glr.c (yyrecoverSyntaxError, yyparse): Don't pop the start
3426 state, which has token number 0, since this would invoke the
3427 %destructor for the end token.
3428 * data/lalr1.cc (yy::parser::parse): Don't check for the final state
3429 until after shifting the end token, or else it won't be popped.
3430 * data/yacc.c (yyparse): Likewise.
3431
3432 * data/glr.c (yyparse): Clear the lookahead after shifting it even when
3433 it's the end token. Upon termination, destroy an unshifted lookahead
3434 even when it's the end token.
3435 * data/lalr1.cc (yy::parser::parse): Likewise.
3436 * data/yacc.c (yyparse): Likewise.
3437
3438 * src/reader.c (packgram): Don't check rule 0. This suppresses unused
3439 value warnings for the end token when the user gives the end token a
3440 %destructor.
3441
3442 * tests/actions.at (Printers and Destructors): Test all the above.
3443
3444 2006-07-24 Paul Eggert <eggert@cs.ucla.edu>
3445
3446 Update to latest gnulib and gettext versions.
3447 * bootstrap (gnulib-modules): Remove hard-locale, stdio-safer.
3448 Add fopen-safer.
3449 (gnulib_files): Add m4/warning.m4. Don't worry about files
3450 overwritten by autopoint.
3451 Replace gt_INTL_SUBDIR_CORE with an empty body in m4/gettext_gl.m4.
3452 Suppress "id", "ms", "tr" translations for now, since gettext 0.15
3453 rejects them.
3454 Don't use autoreconf; instead, invoke autopoint etc. by hand,
3455 so that we can remove the intl files at a better time.
3456 (intl_files_to_remove): Remove aclocal.m4, since it gets
3457 rebuilt anyway. Remove m4/inttypes_h.m4, m4/inttypes.m4,
3458 m4/isc-posix.m4, m4/lib-ld.m4, m4/lib-prefix.m4, m4/po.m4,
3459 m4/stdint_h.m4, m4/uintmax_t.m4, m4/ulonglong.m4.
3460 Add m4/inttypes-h.m4, m4/lock.m4, m4/visibility.m4.
3461 Remove datarootdir hack; no longer needed.
3462 * configure.ac: Use gl_WARNING_CFLAGS rather than BISON_WARNING.
3463 (AM_GNU_GETTEXT_VERSION): Bump from 0.12 to 0.15.
3464 * lib/.cvsignore: Remove hard-locale.c, hard-locale.h, strdup.c,
3465 strdup.h.
3466 * m4/.cvsignore: Remove hard-locale.m4, strdup.m4.
3467 * m4/warning.m4: Remove from CVS, since we now use gnulib's version.
3468
3469 2006-07-20 Paul Eggert <eggert@cs.ucla.edu>
3470
3471 * bootstrap: Adjust to today's change to gnulib-tool by invoking
3472 it with --assume-autoconf='latest-stable'.
3473
3474 2006-07-13 Joel E. Denny <jdenny@ces.clemson.edu>
3475
3476 * src/parse-gram.y (grammar_declaration): Don't confuse Doxygen (at
3477 least 1.4.7 and 1.4.4) by putting a #line between `typedef union
3478 YYSTYPE' and `{'.
3479 * src/muscle_tab.h (muscle_grow): Replace the header comments with
3480 those from muscle_tab.c since the old ones are misleading.
3481
3482 2006-07-13 Akim Demaille <akim@epita.fr>
3483
3484 Support %define "KEY" {VALUE}.
3485 * src/scan-code.h, src/scan-code.l (translate_action)
3486 (translate_rule_action, translate_symbol_action, translate_code):
3487 Return char *, not const char *.
3488 * src/parse-gram.y (declaration): Rename as...
3489 (prologue_declaration): this.
3490 (string_content): Remove this nonterminal, use STRING.
3491 (braceless, content, content.opt): New nonterminal.
3492 Use them.
3493 (%define): Now accept content.opt, i.e., accept also BRACED_CODE
3494 as value.
3495 * src/scan-gram.l (getargs.h): Don't include it.
3496
3497 2006-07-12 Paul Eggert <eggert@cs.ucla.edu>
3498
3499 * data/lalr1.cc (YYCDEBUG): Use 'if (yydebug_) (*yycdebug_)'
3500 rather than a for-loop that declares a local bool variable. This
3501 should work around a compatibility problem with a Cray x1e C++
3502 compiler reported by Hung Nguyen in
3503 <http://lists.gnu.org/archive/html/help-bison/2006-07/msg00022.html>.
3504 The for-loop was introduced in the 2004-11-17 change but I don't
3505 know why it was needed.
3506
3507 2006-07-12 Akim Demaille <akim@epita.fr>
3508
3509 * data/c.m4: Comment changes.
3510
3511 2006-07-10 Akim Demaille <akim@lrde.epita.fr>
3512
3513 * src/complain.c (error_message, ERROR_MESSAGE): New.
3514 To factor...
3515 (fatal_at, fatal, warn_at, warn, complain_at, complain): these.
3516 * src/complain.h, src/complain.c (warning_issued): Remove, unused.
3517
3518 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
3519
3520 * NEWS: Instead of %union, you can define and use your own union type
3521 YYSTYPE if your grammar contains at least one <type> tag.
3522 Your YYSTYPE need not be a macro; it can be a typedef.
3523 * doc/bison.texinfo (Value Type, Multiple Types, Location Type):
3524 (Union Decl, Decl Summary): Document this.
3525 * data/glr.c (YYSTYPE): Implement this.
3526 * data/glr.cc (YYSTYPE): Likewise.
3527 * data/lalr1.cc (YYSTYPE): Likewise.
3528 * data/yacc.c (YYSTYPE): Likewise.
3529 * src/output.c (prepare): Output tag_seen_flag.
3530 * src/parse-gram.y (declaration, grammar_declaration):
3531 Use 'union_seen' rather than 'typed' to determine whether
3532 %union has been seen, since grammars can now be typed without
3533 %union.
3534 (symbol_declaration, type.opt, symbol_def):
3535 Keep track of whether a tag has been seen.
3536 * src/reader.c (union_seen, tag_seen): New vars.
3537 (typed): remove.
3538 * src/reader.h (union_seen, tag_seen, typed): Likewise.
3539 * src/scan-code.l (untyped_var_seen): New variable.
3540 (handle_action_dollar): Adjust to above changes.
3541 (handle_action_dollar, handle_action_at):
3542 Improve overflow checking for outlandish numbers.
3543 * tests/input.at (AT_CHECK_UNUSED_VALUES): Redo test to
3544 avoid new diagnostics generated by above changes.
3545 * tests/regression.at (YYSTYPE typedef): Add test to check
3546 for type tags without %union.
3547
3548 * src/symlist.c (symbol_list_length): Return int, not unsigned
3549 int, since callers expect int. This may need to get revisited
3550 once we have proper integer overflow checking.
3551
3552 * src/scan-gram.h (gram_scanner_cursor): Remove decl, since this
3553 object is now static.
3554
3555 * src/getargs.c (flags_argmatch): Return void, not int,
3556 to pacify ./configure --enable-gcc-warnings.
3557
3558 * src/flex-scanner.h (STRING_FREE): Don't use FLEX_PREFIX (last_string)
3559 since last_string is already defined to FLEX_PREFIX (last_string).
3560
3561 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
3562
3563 Implement --warnings/-W.
3564 * src/getargs.c (report_argmatch, trace_argmatch): Remove,
3565 replaced by...
3566 (flags_argmatch, FLAGS_ARGMATCH): this new function and macro.
3567 Adjust callers.
3568 * src/getargs.h, src/getargs.c (warnings, warnings_flags)
3569 (warnings_args, warnings_types): New.
3570 (getargs, short_options, long_options): Accept -W/--warnings.
3571 Sort the options by alphabetical order, upper case letter right
3572 before its lower case.
3573
3574 2006-07-09 Joel E. Denny <jdenny@ces.clemson.edu>
3575
3576 Change %merge result type clash warnings to errors. Discussed at
3577 <http://lists.gnu.org/archive/html/bison-patches/2006-07/msg00026.html>.
3578 * src/reader.c (record_merge_function_type): Use complain_at.
3579 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
3580 declared later): Update test case results.
3581
3582 2006-07-09 Akim Demaille <akim@lrde.epita.fr>
3583
3584 * src/getargs.h, src/getargs.c: Swap --report and --trace handling
3585 to be in alphabetical order.
3586 (trace_args): Spelling fixes.
3587
3588 2006-07-09 Paul Eggert <eggert@cs.ucla.edu>
3589
3590 * data/yacc.c (YYID, yy_stack_print): Prefix local vars with "yy"
3591 so they don't collide with user-defined macros.
3592 (yy_stack_print): Don't assume that yytype_int16 promotes to int;
3593 this was never guaranteed, and now that we're using gnulib stdint,
3594 which defines int_fast16_t to long int, the problem is exposed.
3595
3596 2006-07-08 Paul Eggert <eggert@cs.ucla.edu>
3597
3598 * data/c.m4 (b4_basename): Simplify a bit, since we don't
3599 need the full POSIX semantics (and weren't implementing them
3600 anyway).
3601
3602 Adjust to Autoconf 2.60 and today's gnulib.
3603 * bootstrap (gnulib_modules): Add stdint.
3604 Remove special case for m4/onceonly_2_57.m4, since gnulib-tool
3605 no longer copies it.
3606 (intl_files_to_remove): Remove m4/longlong.m4 and m4/wchar_t.m4,
3607 since stdint needs the former and wcwidth (which is now required
3608 by mbswidth) needs the latter.
3609 Append 'datarootdir = @datarootdir@' to po/Makefile.in.in, to
3610 work around a compatibility glitch between gettext 0.14.6 and
3611 Autoconf 2.60.
3612 * configure.ac (AC_PREREQ): Require Autoconf 2.60.
3613 Do not check for uintptr_t, since new stdint module does the right
3614 thing.
3615 * lib/.cvsignore: Remove alloca.c, alloca.h, alloca_.h.
3616 Add stdint.h, stdint_.h, wcwidth.h.
3617 * m4/.cvsignore: Remove alloca.m4, onceonly.m4.
3618 Add absolute-header.m4, double-slash-root.m4, longlong.m4,
3619 stdint.m4, wchar_t.m4, wcwidth.m4.
3620 * src/files.c: Include <dirname.h> and <stdio-safer.h> in the
3621 usual order for ../lib/*.h files.
3622 (file_name_split): Use last_component, not base_name, to adjust
3623 to gnulib changes.
3624 * src/parse-gram.h: Include <strverscmp.h> in the usual order
3625 for ../lib/*.h files.
3626 (YYTYPE_INT16, YYTYPE_INT8, YYTYPE_UINT16, YYTYPE_UINT8):
3627 Define unconditionally, since we now assume the stdint module.
3628 * src/scan-skel.l: Include <dirname.h>.
3629 (BASE_QPUTS): Use last_component, not base_name.
3630 * src/system.h: Include <unlocked-io.h> in the usual order
3631 for ../lib/*.h files. Include <stdint.h> unconditionally,
3632 since we now use the stdint module.
3633 (uintptr_t): Declare if UINTPTR_MAX is not defined, not
3634 HAVE_UINTPTR_T, since we now use the stdint module.
3635 (base_name): Remove decl, since files now include <dirname.h>
3636 to get the decl.
3637
3638 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
3639
3640 * data/c.m4 (b4_location_initial_column, b4_location_initial_line):
3641 New, default to 1.
3642 * data/yacc.c, data/glr.c, data/location.cc: Use them.
3643 * NEWS, doc/bison.texinfo: The initial column and line are 1 by
3644 default.
3645 * tests/calc.at: Adjust.
3646
3647 2006-07-08 Akim Demaille <akim@lrde.epita.fr>
3648
3649 * data/c.m4 (b4_basename): New.
3650 (b4_syncline): Also output the location of its invocation (from
3651 the skeleton).
3652 (b4_user_action, b4_define_user_action, b4_user_actions)
3653 (b4_user_initial_action, b4_user_post_prologue, b4_user_start_header)
3654 (b4_user_stype): New.
3655 * data/yacc.c, data/glr.c, data/lalr1.cc, data/glr.cc: Use them.
3656
3657 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
3658
3659 In the grammar file, the first column is 1 not 0 on the first line as
3660 on every other line.
3661 * src/parse-gram.y (%initial-action): Initialize @$ correctly.
3662 * tests/input.at (Torturing the Scanner): Update output.
3663
3664 * src/scan-gram.l (scanner_cursor): Declare it static.
3665
3666 2006-07-07 Joel E. Denny <jdenny@ces.clemson.edu>
3667
3668 In warnings, say "previous declaration" rather than "first
3669 declaration".
3670 * src/symtab.c (redeclaration): Do that here.
3671 * src/reader.c (record_merge_function_type): In the case of a result
3672 type clash, report the previous declaration rather than the very first
3673 one in the grammar file.
3674 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
3675 declared later): Add a third declaration to check this behavior.
3676 * tests/input.at (Incompatible Aliases): Update output.
3677
3678 2006-06-27 Akim Demaille <akim@epita.fr>
3679
3680 * doc/Doxyfile.in: New.
3681 * doc/Makefile.am: Use it.
3682 * src/lalr.h, src/symtab.h: Initial doxygenation.
3683
3684 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
3685
3686 Don't miss %merge result type warnings just because the LHS types are
3687 declared after the %merge. This continues the effort of the previous
3688 patch.
3689 * src/reader.c (get_merge_function): Don't set the merger type yet.
3690 (record_merge_function_type): New function for setting the merger type
3691 and checking for clashes.
3692 (grammar_current_rule_merge_set): Set the location of the %merge for
3693 the current rule.
3694 (packgram): Invoke record_merge_function_type for each rule now that
3695 all symbol type declarations have been parsed.
3696 * src/reader.h (merger_list.type_declaration_location): New member
3697 storing the location of the first %merge from which the type for this
3698 merging function was derived.
3699 * src/symlist.h (symbol_list.merger_declaration_location): New member
3700 storing the location of a rule's %merge, if any.
3701 * tests/glr-regression.at (Missed %merge type warnings when LHS type is
3702 declared later): New test to catch the error fixed by the above patch.
3703
3704 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
3705
3706 Get action warnings (grammar_rule_check) right even when symbol
3707 declarations appear after the rules. Discussed at
3708 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00108.html>
3709 and
3710 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00151.html>.
3711 Don't mistake the type of $$ in a midrule to be that of its parent
3712 rule's $$.
3713 * src/reader.c (grammar_current_rule_end): Don't invoke
3714 grammar_rule_check yet since not all symbol declarations may have been
3715 parsed yet.
3716 (grammar_midrule_action): Likewise.
3717 Don't record whether the midrule's $$ has been used yet since actions
3718 haven't been translated yet.
3719 Record the midrule's parent rule and its RHS index within the parent
3720 rule.
3721 (grammar_current_rule_action_append): Don't translate the action yet
3722 since not all symbol declarations may have been parsed yet and, thus,
3723 warnings about types for $$, $n, @$, and @n can't be reported yet.
3724 (packgram): Translate the action and invoke grammar_rule_check now that
3725 all symbol declarations have been parsed.
3726 * src/scan-code.l (handle_action_dollar): Now that this is invoked
3727 after parsing the entire grammar file, the symbol list here in the case
3728 of a midrule is actually the midrule's empty RHS, so reference its
3729 parent rule's RHS where necessary.
3730 On the other hand, now that you can already know it's a midrule, you
3731 aren't forced to think $$ has the same type as its parent rule's $$.
3732 (handle_action_at): In the case of a midrule, reference the parent rule
3733 where necessary.
3734 * src/symlist.c (symbol_list_new): Initialize new midrule-related
3735 members.
3736 (symbol_list_length): Now that this is invoked after all rules have
3737 been parsed, a NULL symbol (rather than a NULL symbol list node)
3738 terminates a rule. symbol_list_print already does this correctly.
3739 * src/symlist.h (symbol_list.midrule_parent_rule,
3740 symbol_list.midrule_parent_rhs_index): New members so that midrules can
3741 remember their relationships with their parents.
3742 * tests/input.at (Type Clashes): Extend to catch the midrule $$ error
3743 fixed by the above patch.
3744 (_AT_UNUSED_VALUES_DECLARATIONS, AT_CHECK_UNUSED_VALUES): New m4 macros
3745 implementing...
3746 (Unused values): ... this old test case and...
3747 (Unused values before symbol declarations): ... this new test case.
3748 This one is the same as `Unused values' except that all symbol
3749 declarations appear after the rules in order to catch the rest of the
3750 errors fixed by the above patch.
3751
3752 2006-06-26 Joel E. Denny <jdenny@ces.clemson.edu>
3753
3754 More cleanup.
3755 * src/reader.c (current_rule): Declare it static since it's no longer
3756 used outside this file.
3757 (grammar_current_rule_action_append): Remove redundant arguments from
3758 translate_rule_action invocation.
3759 * src/reader.h (current_rule): Remove this unused extern.
3760 * src/scan-code.h (translate_rule_action): Remove redundant arguments.
3761 * src/scan-code.l (translate_rule_action): Likewise.
3762
3763 2006-06-25 Joel E. Denny <jdenny@ces.clemson.edu>
3764
3765 Clean up yesterday's patch.
3766 * parse-gram.y (rhs): Move grammar_midrule_action invocation from here
3767 to...
3768 * src/reader.c (grammar_current_rule_action_append): ... here for
3769 consistency with grammar_current_rule_symbol_append.
3770 * tests/regression.at (Braced code in declaration in rules section):
3771 Make yyerror and yylex static as usual.
3772
3773 2006-06-24 Joel E. Denny <jdenny@ces.clemson.edu>
3774
3775 Fix bug that mistakes braced code in a declaration in the rules section
3776 to be a rule action. Mentioned at
3777 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00105.html>.
3778 * src/scan-gram.l: Move midrule action detection from the start of the
3779 scanning of any braced code to...
3780 * src/parse-gram.y (rhs): ... the parsing of braced code as a rule
3781 action. For readability, use $2 and @2 rather than the equivalent
3782 global variables.
3783 * tests/regression.at (Braced code in declaration in rules section):
3784 New test to catch the error fixed by the above patch.
3785
3786 Work on code readability some.
3787 * src/scan-code.l (current_rule): Get rid of this misleading and
3788 redundant declaration: it's actually extern'ed in reader.h.
3789 (YY_DECL, code_lex, handle_action_dollar, handle_action_at,
3790 translate_action): Add a rule argument and use it instead of the global
3791 current_rule.
3792 (translate_rule_action): This already receives current_rule through an
3793 argument, so pass it on to translate_action instead of assigning
3794 current_rule to current_rule.
3795 (translate_symbol_action, translate_code): Pass rule = NULL to
3796 translate_action.
3797
3798 2006-06-23 Joel E. Denny <jdenny@ces.clemson.edu>
3799
3800 Rename %before-definitions to %start-header and %after-definitions to
3801 %end-header. Don't use these declarations to separate pre-prologue
3802 blocks from post-prologue blocks. Add new order-independent
3803 declarations %before-header and %after-header as alternatives to the
3804 traditional Yacc pre-prologue and post-prologue blocks. Discussed at
3805 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00110.html>.
3806 * NEWS (2.3+): Update for these changes.
3807 * data/glr.c (b4_before_definitions): Update to...
3808 (b4_start_header): ... this.
3809 (b4_after_definitions): Update to...
3810 (b4_end_header): ... this.
3811 * data/glr.cc: Likewise.
3812 * data/lalr1.cc: Likewise.
3813 * data/yacc.c: Likewise.
3814 * doc/bison.texinfo (The prologue): Update names, and replace remaining
3815 prologue blocks with %*-header declarations.
3816 (Calc++ Parser): Likewise.
3817 (Decl Summary): Update names.
3818 (Table of Symbols): Update description.
3819 * src/parse-gram.y (PERCENT_AFTER_DEFINITIONS): Update to...
3820 (PERCENT_END_HEADER): ... this.
3821 (PERCENT_BEFORE_DEFINITIONS): Update to...
3822 (PERCENT_START_HEADER): ... this.
3823 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
3824 (declaration): Update token names and m4 macro names.
3825 When parsing %end-header and %start-header, invoke translate_code
3826 before muscle_code_grow, and no longer set global booleans to remember
3827 whether these declarations have been seen.
3828 Parse new %after-header and %before-header.
3829 * src/reader.c (before_definitions, after_definitions): Remove.
3830 (prologue_augment): Accept a new bool argument to specify whether to
3831 augment the pre-prologue or post-prologue.
3832 * src/reader.h (before_definitions, after_definitions): Remove these
3833 extern's.
3834 (prologue_augment): Add new bool argument.
3835 * src/scan-gram.l (PERCENT_AFTER_DEFINITIONS): Update to...
3836 (PERCENT_END_HEADER): ... this.
3837 (PERCENT_BEFORE_DEFINITIONS): Update to...
3838 (PERCENT_START_HEADER): ... this.
3839 (PERCENT_AFTER_HEADER, PERCENT_BEFORE_HEADER): New tokens.
3840 * tests/actions.at (Printers and Destructors): Update names.
3841
3842 2006-06-22 Joel E. Denny <jdenny@ces.clemson.edu>
3843
3844 Add comparison operators for C++ location classes. Discussed at
3845 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00092.html>.
3846 * data/c++.m4 (b4_define_location_comparison): New boolean %define
3847 declaration indicating whether filename_type has an operator==. If
3848 filename_type is `std::string', it defaults to `1', `0' otherwise.
3849 * data/location.cc: Iff b4_define_location_comparison is `1', add
3850 operator== and operator!= for class position and for class location.
3851
3852 Some minor fixes.
3853 * src/scan-action.l: Remove unused file.
3854 * src/symtab.c (symbol_printer_set): Use printer_location not
3855 destructor_location.
3856 * src/symtab.h (struct symbol): Replace incorrect source comment for
3857 printer members.
3858 * tests/input.at (Incompatible Aliases): Update output with correct
3859 printer location.
3860
3861 2006-06-20 Joel E. Denny <jdenny@ces.clemson.edu>
3862
3863 Don't put the pre-prologue in the header file. For the yacc.c code
3864 file and the glr.c header and code files, move the pre-prologue before
3865 the token definitions. Add new %before-definitions and
3866 %after-definitions to declare code that will go in both the header file
3867 and code file. Discussed at
3868 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00000.html>,
3869 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00016.html>,
3870 and
3871 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00055.html>.
3872 * NEWS (2.3+): Describe these changes.
3873 * data/glr.c (b4_pre_prologue): Move from within to before...
3874 (b4_shared_declarations): ... this.
3875 Add new b4_before_definitions before b4_token_enums.
3876 Add new b4_after_definitions at the end.
3877 * data/glr.cc (b4_pre_prologue): Replace with...
3878 (b4_before_definitions): ... this in the header file.
3879 (b4_after_definitions): New near the end of the header file.
3880 * data/lalr1.cc (b4_pre_prologue): Move from the header file to the
3881 code file right before including the header file.
3882 (b4_before_definitions): New in the previous position of
3883 b4_pre_prologue in the header file.
3884 (b4_after_definitions): New near the end of the header file.
3885 * data/yacc.c: Clean up some m4 quoting especially in the header file.
3886 (b4_token_enums_defines): In the code file, move to right before
3887 YYSTYPE for consistency with the header file.
3888 (b4_before_definitions): New right before b4_token_enums_defines in
3889 both the header and code file.
3890 (b4_after_definitions): New right after YYLTYPE and yylloc in both the
3891 header and code file.
3892 * doc/bison.texinfo (Prologue): Show use of %before-definitions instead
3893 of prologues for %union dependencies.
3894 (Decl Summary): In %defines description, mention the effect of
3895 %before-definitions and %after-definitions on the header file.
3896 (Calc++ Parser): Forward declare driver in a %before-definitions rather
3897 than in the pre-prologue so that make check succeeds.
3898 (Table of Symbols): Add entries for %before-definitions and
3899 %after-definitions.
3900 * src/parse-gram.y (PERCENT_BEFORE_DEFINITIONS): New token for
3901 %before-definitions.
3902 (PERCENT_AFTER_DEFINITIONS): New token for %after-definitions.
3903 (declaration): Parse those declarations and append to
3904 b4_before_definitions and b4_after_definitions, respectively.
3905 * src/reader.c (before_definitions, after_definitions): New bools to
3906 track whether those declarations have been seen.
3907 (prologue_augment): Add to the post-prologue if %union,
3908 %before-definitions, or %after-definitions has been seen.
3909 * src/reader.h (before_definitions, after_definitions): New extern's.
3910 * src/scan-gram.l: Scan the new declarations.
3911 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Place the second
3912 prologue block in a %before-definitions or a %after-definitions based
3913 on whether the %union is declared.
3914 * tests/regression.at (Early token definitions with --yacc, Early token
3915 definitions without --yacc): Move tests for token definitions into the
3916 post-prologue since token names are no longer defined in the
3917 pre-prologue.
3918
3919 2006-06-20 Akim Demaille <akim@epita.fr>
3920
3921 * src/symtab.h, src/symtab.c (symbol_from_uniqstr): New.
3922 (symbol_get): Use it.
3923 * src/parse-gram.y: Use it.
3924
3925 2006-06-19 Joel E. Denny <jdenny@ces.clemson.edu>
3926
3927 * src/scan-gram.l: Remove unused declaration of last_string_1 so the
3928 build succeeds when configured with --enable-gcc-warnings.
3929
3930 2006-06-19 Paul Eggert <eggert@cs.ucla.edu>
3931
3932 * src/parse-gram.y (char_name): New function.
3933 (CHAR, STRING, string_content): For %printer, properly escape.
3934 (ID): Prefer fputs to fprintf.
3935 (id): Reindent to be consistent with other rules.
3936 Properly quote char.
3937
3938 The Translation Project changed its way of publishing translations
3939 to maintainers. I haven't received any responses to my request
3940 for supporting the old way, or for documenting the new way. I
3941 have modified 'bootstrap' to use screen scraping
3942 (in this case, HTML scraping). This is unreliable and inelegant,
3943 but I don't see any better way. Yuck.
3944 * bootstrap (TP_URL, WGET_COMMAND): New vars.
3945 (get_translations): New function, which uses HTML scraping to
3946 deduce locations of latest translations.
3947 Use this function to grab both bison and bison-runtime .po files.
3948 Don't bother priming the pump for the runtime-po domain any more,
3949 as it's now translated better than bison is.
3950
3951 2006-06-19 Akim Demaille <akim@epita.fr>
3952
3953 * src/scan-gram.l: No longer "parse" things after `%union' until
3954 `{'. Rather, return a single "%union" token.
3955 No longer make symbols: return strings, and leave the conversion
3956 to symbols to the parser.
3957 (SC_PRE_CODE, token_type): Remove.
3958 * src/parse-gram.y (%union): New field `character'.
3959 Sort tokens.
3960 (CHAR): New token.
3961 (ID, ID_COLON): Now that the scanner no longer makes them
3962 identifiers, adjust all uses to invoke symbol_get.
3963 (id_colon): New, wraps the conversion from string to symbol.
3964 (%union): Accept a possible union_name.
3965 (symbol): Now can be a char.
3966 * data/c.m4 (b4_union_name): Leave a default value.
3967 * data/glr.c, data/yacc.c: Use it.
3968
3969 2006-06-11 Joel E. Denny <jdenny@ces.clemson.edu>
3970
3971 For associating token numbers with token names for "yacc.c", don't use
3972 #define statements unless `--yacc' is specified; always use enum
3973 yytokentype. Most important discussions start at:
3974 <http://lists.gnu.org/archive/html/bison-patches/2005-09/msg00053.html>,
3975 <http://lists.gnu.org/archive/html/bison-patches/2005-12/msg00052.html>,
3976 and
3977 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00043.html>.
3978 * NEWS (2.3+): Mention.
3979 * data/c.m4 (b4_yacc_if): New.
3980 (b4_token_enums_defines): Use b4_yacc_if to decide whether to add the
3981 token #define's.
3982 * doc/bison.texinfo (Bison Options): Describe the effect of `--yacc'
3983 on token name definitions.
3984 * src/getargs.c (usage): Capitalize `Yacc' in English.
3985 * src/output.c (prepare): Define b4_yacc_flag.
3986 * tests/regression.at (Early token definitions): Test that tokens names
3987 are defined before the pre-prologue not just before the post-prologue.
3988 Remove this test case and copy to...
3989 (Early token definitions with --yacc): ... this to test #define's.
3990 (Early token definitions without --yacc): ... and this to test enums.
3991
3992 2006-06-11 Paul Eggert <eggert@cs.ucla.edu>
3993
3994 * NEWS: Reword the post-2.3 change to not be so optimistic about
3995 removing the old "look-ahead" spelling.
3996 Update previous look-ahead/lookahead change reports.
3997 * REFERENCES: look-ahead -> lookahead (since that's
3998 what he actually wrote).
3999 * doc/refcard.tex: look ahead -> lookahead,
4000 look-ahead -> lookahead
4001
4002 2006-06-09 Joel E. Denny <jdenny@ces.clemson.edu>
4003
4004 For consistency, use `lookahead' instead of `look-ahead' or
4005 `look_ahead'. Discussed starting at
4006 <http://lists.gnu.org/archive/html/bison-patches/2006-01/msg00049.html>
4007 and then at
4008 <http://lists.gnu.org/archive/html/bison-patches/2006-06/msg00017.html>.
4009 * NEWS: For the next release, note the change to `--report'.
4010 * TODO, doc/bison.1: Update English.
4011 * doc/bison.texinfo: Update English.
4012 (Understanding Your Parser, Bison Options): Document as
4013 `--report=lookahead' rather than `--report=look-ahead'.
4014 * src/conflicts.c: Update English in comments.
4015 (lookahead_set): Rename from look_ahead_set.
4016 (flush_reduce): Rename argument look_ahead_tokens to lookahead_tokens.
4017 (resolve_sr_conflict): Rename local look_ahead_tokens to
4018 lookahead_tokens, and update other uses.
4019 (flush_shift, set_conflicts, conflicts_solve, count_sr_conflicts,
4020 count_rr_conflicts, conflicts_free): Update uses.
4021 * src/getargs.c (report_args): Move "lookahead" before alternate
4022 spellings.
4023 (report_types): Update uses.
4024 (usage): For `--report' usage description, state `lookahead' spelling
4025 rather than `look-ahead'.
4026 * src/getargs.h (report.report_lookahead_tokens): Rename from
4027 report_look_ahead_tokens.
4028 * src/lalr.c: Update English in comments.
4029 (compute_lookahead_tokens): Rename from compute_look_ahead_tokens.
4030 (state_lookahead_tokens_count): Rename from
4031 state_look_ahead_tokens_count.
4032 Rename local n_look_ahead_tokens to n_lookahead_tokens.
4033 (lookahead_tokens_print): Rename from look_ahead_tokens_print.
4034 Rename local n_look_ahead_tokens to n_lookahead_tokens.
4035 Update other uses.
4036 Update English in output.
4037 (add_lookback_edge, initialize_LA, lalr, lalr_free): Update uses.
4038 * src/print.c: Update English in comments.
4039 (lookahead_set): Rename from look_ahead_set.
4040 (print_reduction): Rename argument lookahead_token from
4041 look_ahead_token.
4042 (print_core, state_default_rule, print_reductions, print_results):
4043 Update uses.
4044 * src/print_graph.c: Update English in comments.
4045 (print_core): Update uses.
4046 * src/state.c: Update English in comments.
4047 (reductions_new): Update uses.
4048 (state_rule_lookahead_tokens_print): Rename from
4049 state_rule_look_ahead_tokens_print, and update other uses.
4050 * src/state.h: Update English in comments.
4051 (reductions.lookahead_tokens): Rename from look_ahead_tokens.
4052 (state_rule_lookahead_tokens_print): Rename from
4053 state_rule_look_ahead_tokens_print.
4054 * src/tables.c: Update English in comments.
4055 (conflict_row, action_row): Update uses.
4056 * tests/glr-regression.at
4057 (Incorrect lookahead during deterministic GLR,
4058 Incorrect lookahead during nondeterministic GLR): Rename
4059 print_look_ahead to print_lookahead.
4060 * tests/torture.at: Update English in comments.
4061 (AT_DATA_LOOKAHEAD_TOKENS_GRAMMAR): Rename from
4062 AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR.
4063 (Many lookahead tokens): Update uses.
4064 * data/glr.c: Update English in comments.
4065 * lalr1.cc: Likewise.
4066 * yacc.c: Likewise.
4067 * src/conflicts.h: Likewise.
4068 * src/lalr.h: Likewise.
4069 * src/main.c: Likewise.
4070 * src/output.c: Likewise.
4071 * src/parse-gram.c: Likewise.
4072 * src/tables.h: Likewise.
4073 * tests/calc.at: Likewise.
4074
4075 2006-06-08 Joel E. Denny <jdenny@ces.clemson.edu>
4076
4077 * src/flex-scanner.h (yytext): Remove stray `*/' in #define.
4078
4079 2006-06-07 Paul Eggert <eggert@cs.ucla.edu>
4080
4081 * TODO: Add request from Nelson H. F. Beebe to be able to install
4082 Bison without installing the yacc script.
4083
4084 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
4085
4086 * src/flex-scanner.h: For the sake of Flex 2.5.4, don't #define yyleng
4087 and yytext if they're already #define'd.
4088 * src/flex-scanner.h, src/location.h: Move #include "system.h" to...
4089 * src/scan-code-c.c: ... here.
4090 * src/scan-code.l, src/scan-gram.l: ... and here. Also #include
4091 <config.h>.
4092
4093 2006-06-07 Joel E. Denny <jdenny@ces.clemson.edu>
4094
4095 Get Bison to build again when configured with --enable-gcc-warnings.
4096 * src/location.c, src/location.h, src/main.c, src/scan-code.l: Add some
4097 missing #include's.
4098 * src/scan-code.l (handle_action_dollar, handle_action_at): Rename
4099 loc argument as it shadows a global.
4100 * src/scan-gram.l: Remove stray comma that prevents boundary_set
4101 invocation.
4102
4103 * src/.cvsignore: Add scan-code.c.
4104
4105 2006-06-07 Akim Demaille <akim@epita.fr>
4106
4107 * src/scan-gram.l: Move the "add a trailing ; to actions" code
4108 to...
4109 * src/scan-code.l: here.
4110 * tests/input.at (Torturing the Scanner): Fix another location
4111 error.
4112
4113 2006-06-07 Akim Demaille <akim@epita.fr>
4114
4115 * src/Makefile.am (BUILT_SOURCES): Fix the trailing backslash.
4116
4117 2006-06-06 Akim Demaille <akim@epita.fr>
4118
4119 Extract the parsing of user actions from the grammar scanner.
4120 As a consequence, the relation between the grammar scanner and
4121 parser is much simpler. We can also split "composite tokens" back
4122 into simple tokens.
4123 * src/gram.h (ITEM_NUMBER_MAX, RULE_NUMBER_MAX): New.
4124 * src/scan-gram.l (add_column_width, adjust_location): Move to and
4125 rename as...
4126 * src/location.h, src/location.c (add_column_width)
4127 (location_compute): these.
4128 Fix the column count: the initial column is 0.
4129 (location_print): Be robust to ending column being 0.
4130 * src/location.h (boundary_set): New.
4131 * src/main.c: Adjust to scanner_free being renamed as
4132 gram_scanner_free.
4133 * src/output.c: Include scan-code.h.
4134 * src/parse-gram.y: Include scan-gram.h and scan-code.h.
4135 Use boundary_set.
4136 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_INITIAL_ACTION)
4137 (PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Remove the {...} part,
4138 which is now, again, a separate token.
4139 Adjust all dependencies.
4140 Whereever actions with $ and @ are used, use translate_code.
4141 (action): Remove this nonterminal which is now useless.
4142 * src/reader.c: Include assert.h, scan-gram.h and scan-code.h.
4143 (grammar_current_rule_action_append): Use translate_code.
4144 (packgram): Bound check ruleno, itemno, and rule_length.
4145 * src/reader.h (gram_in, gram__flex_debug, scanner_cursor)
4146 (last_string, last_braced_code_loc, max_left_semantic_context)
4147 (scanner_initialize, scanner_free, scanner_last_string_free)
4148 (gram_out, gram_lineno, YY_DECL_): Move to...
4149 * src/scan-gram.h: this new file.
4150 (YY_DECL): Rename as...
4151 (GRAM_DECL): this.
4152 * src/scan-code.h, src/scan-code.l, src/scan-code-c.c: New.
4153 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
4154 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
4155 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
4156 Move these declarations, and...
4157 (obstack_for_string, STRING_GROW, STRING_FINISH, STRING_FREE):
4158 these to...
4159 * src/flex-scanner.h: this new file.
4160 * src/scan-gram.l (rule_length, rule_length_overflow)
4161 (increment_rule_length): Remove.
4162 (last_braced_code_loc): Rename as...
4163 (gram_last_braced_code_loc): this.
4164 Adjust to the changes of the parser.
4165 Move all the handling of $ and @ into...
4166 * src/scan-code.l: here.
4167 * src/scan-gram.l (handle_dollar, handle_at): Remove.
4168 (handle_action_dollar, handle_action_at): Move to...
4169 * src/scan-code.l: here.
4170 * src/Makefile.am (bison_SOURCES): Add flex-scanner.h,
4171 scan-code.h, scan-code-c.c, scan-gram.h.
4172 (EXTRA_bison_SOURCES): Add scan-code.l.
4173 (BUILT_SOURCES): Add scan-code.c.
4174 (yacc): Be robust to white spaces.
4175
4176 * tests/conflicts.at, tests/input.at, tests/reduce.at,
4177 * tests/regression.at: Adjust the column numbers.
4178 * tests/regression.at: Adjust the error message.
4179
4180 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
4181
4182 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
4183 Use Akim's wording from
4184 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00056.html>.
4185
4186 2006-06-06 Joel E. Denny <jdenny@ces.clemson.edu>
4187
4188 Between Bison releases, manually append `+' to the previous Bison
4189 release number, and use that as a signal to automatically print the
4190 ChangeLog's CVS Id keyword from --version. Discussed starting at
4191 <http://lists.gnu.org/archive/html/bison-patches/2006-05/msg00028.html>.
4192 * ChangeLog: Add Id header.
4193 * configure.ac (AC_INIT): Append `+' to `2.3'.
4194 * src/.cvsignore: Add revision.c.
4195 * src/Makefile.am (bison_SOURCES): Add revision.c and revision.h.
4196 (BUILT_SOURCES): Add revision.c.
4197 (revision.c): New target rule. This file defines a new global variable
4198 named revision. It initializes it with either the Id from ChangeLog
4199 or, if VERSION doesn't contain `+', with the empty string.
4200 * src/getargs.c (version): Print the value of revision.
4201 * src/revision.h: Extern revision.
4202
4203 2006-06-05 Paul Eggert <eggert@cs.ucla.edu>
4204
4205 * NEWS: Version 2.3.
4206 * configure.ac (AC_INIT): Likewise.
4207
4208 2006-05-30 Paul Eggert <eggert@cs.ucla.edu>
4209
4210 * data/glr.c (YYRECOVERING): Define to be a function-like macro
4211 with no arguments, not as an object-like macro. This is for
4212 compatibility with data/yacc.c. Problem reported by John P. Hartmann in
4213 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00059.html>.
4214 * doc/bison.texinfo (Action Features, Error Recovery, Table of Symbols):
4215 Document this.
4216
4217 2006-05-30 Joel E. Denny <jdenny@ces.clemson.edu>
4218
4219 * src/getargs.c (usage): Back out yesterday's modification of the
4220 --help output so that we don't have to wait for translation before
4221 releasing 2.3.
4222
4223 2006-05-29 Paul Eggert <eggert@cs.ucla.edu>
4224
4225 * doc/bison.texinfo (Introduction): Don't say "GLR grammar".
4226 Problem reported by Akim Demaille.
4227
4228 2006-05-29 Joel E. Denny <jdenny@ces.clemson.edu>
4229
4230 * src/getargs.c (usage): Mention GLR not just LALR(1) in --help output.
4231
4232 2006-05-26 Paul Eggert <eggert@cs.ucla.edu>
4233
4234 * data/yacc.c (yy_reduce_print): Omit trailing white space in
4235 generated source code. Problem reported by Frans Englich in
4236 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00049.html>.
4237
4238 2006-05-22 Paul Eggert <eggert@cs.ucla.edu>
4239
4240 * Makefile.maint (gzip_rsyncable, GZIP_ENV): Compute within the
4241 shell, not within 'make', so that 'make' by an ordinary builder
4242 (using GNU make) does not worry about configuring gzip. This also
4243 works around a bug reported independently by Keith Thompson and by
4244 Georg Schwarz, whereby gzip 1.2.4 --help would output usage on
4245 stderr rather than stdout, messing up the build logs.
4246
4247 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
4248
4249 * data/yacc.c (yyparse): Wrap the final return from yyparse inside YYID
4250 to make sure that YYID will never be unused. This fixes a 'make
4251 maintainer-check' failure caused by the recent changes to the 'Trivial
4252 grammars' test case, which caused g++ 4.1.0 to complain that YYID was
4253 not used.
4254 * data/glr.c (yyparse): Wrap yyparse's return inside YYID just in case.
4255
4256 2006-05-21 Joel E. Denny <jdenny@ces.clemson.edu>
4257
4258 * data/glr.c (yyresolveLocations): Remove bogus YYASSERT that the
4259 state before an empty RHS is always resolved here. Only the location
4260 of that state is guaranteed to be resolved, and that's enough. This
4261 fixes the remaining bug reported by Derek M. Jones in
4262 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
4263 * tests/glr-regression.at (Uninitialized location when reporting
4264 ambiguity): Test the above case.
4265 Also, the embedded comments in this test case claim it checks the case
4266 of an empty RHS that has inherited the initial location. However, the
4267 corresponding LHS was already resolved, so yyresolveLocations didn't
4268 actually have reason to modify it. Fix this by forcing
4269 nondeterministic operation at the beginning of the parse.
4270
4271 2006-05-20 Paul Eggert <eggert@cs.ucla.edu>
4272
4273 * data/c.m4 (b4_yy_symbol_print_generate):
4274 (b4_yy_symbol_print_generate): Use 'YYSTYPE const' rather than
4275 'const YYSTYPE', and similarly for YYLTYPE. This fixes one
4276 of the bugs reported today by Derek M Jones in
4277 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00027.html>.
4278 * doc/bison.texinfo (Value Type): Document that YYSTYPE must be
4279 defined to be a type name without parens or brackets.
4280 (Location Type): Similarly for YYLTYPE.
4281 * tests/regression.at (Trivial grammars): Put in a test for this
4282 bug that will be caught by 'make maintainer-check' (though not,
4283 alas, by 'make check' unless your compiler is picky).
4284
4285 2006-05-19 Paul Eggert <eggert@cs.ucla.edu>
4286
4287 * NEWS: Version 2.2.
4288 * configure.ac (AC_INIT): Likewise.
4289
4290 2006-05-17 Joel E. Denny <jdenny@ces.clemson.edu>
4291
4292 * data/glr.c (yyreportTree): Make room in yystates for the state
4293 preceding the RHS. This fixes the segmentation fault reported by Derek
4294 M. Jones in
4295 <http://lists.gnu.org/archive/html/help-bison/2006-05/msg00035.html>.
4296 (yyreportTree, yypdumpstack): Subtract 1 from yyrule before printing
4297 to the user. Reported for yyreportTree by Derek M. Jones later in the
4298 same thread.
4299 * THANKS: Add Derek M. Jones.
4300 Update my email address.
4301 Fix typo in Steve Murphy's name.
4302
4303 2006-05-14 Paul Eggert <eggert@cs.ucla.edu>
4304
4305 * data/glr.c (yyreportSyntaxError): Fix off-by-one error in
4306 checking against YYLAST that caused the parser to miss a potential
4307 alternative in its diagnostic.
4308 Problem reported by Maria Jose Moron Fernandez in
4309 <http://lists.gnu.org/archive/html/bug-bison/2006-05/msg00024.html>.
4310 * data/lalr1.cc (yysyntax_error_): Likewise.
4311 * data/yacc.c (yysyntax_error): Likewise.
4312 * tests/regression.at (_AT_DATA_DANCER_Y): Use static array for
4313 tokens, in case we run into an older C compiler.
4314 (_AT_DATA_EXPECT2_Y, AT_CHECK_EXPECT2): New macros.
4315 Use them to check for the off-by-one error fixed above.
4316
4317 * data/yacc.c (yytnamerr): Fix typo: local var should be of type
4318 YYSIZE_T, not size_t.
4319 * tests/regression.at (Trivial grammars): New test, to catch
4320 the error fixed by the above patch.
4321
4322 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4323
4324 * doc/bison.texinfo (C++ Bison Interface): Clarify the naming
4325 scheme.
4326 Reported by Steve Murphy.
4327
4328 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4329
4330 * data/glr.cc, data/lalr1.cc: Using %defines is mandatory.
4331 * data/glr.cc: b4_location_flag is now b4_locations_flag.
4332
4333 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4334
4335 Implement --trace=m4.
4336 * src/getargs.c (trace_types, trace_args): Accept trace_m4.
4337 * src/output.c (output_skeleton): When set, pass -dV to m4.
4338
4339 Factor the handling of flags in m4.
4340 * src/output.c (prepare): Rename the muscle names debug, defines,
4341 error_verbose to debug_flag, defines_flag, error_verbose_flag.
4342 * data/c.m4: Adjust.
4343 (_b4_define_flag_if, b4_define_flag_if, b4_defines_if): New.
4344 Use b4_define_flag_if to define other b4_FLAG_if macros.
4345 (b4_location_if): As a consequence, rename as...
4346 (b4_locations_if): this, for consistency.
4347 Adjust all the skeletons.
4348
4349 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4350
4351 * etc/bench.pm: Shorten bench names.
4352
4353 2006-05-14 Akim Demaille <akim@lrde.epita.fr>
4354
4355 * src/output.h, src/output.c (error_verbose): Move to...
4356 * src/getargs.h, src/getargs.c: here.
4357 Sort the flags.
4358 Adjust dependencies.
4359
4360 2006-05-13 Paul Eggert <eggert@cs.ucla.edu>
4361
4362 * data/c.m4 (b4_copyright): Put the special exception for Bison
4363 skeletons here, so we don't have to put it in each skeleton. All
4364 uses changed. Suggested by Akim Demaille. Also, wrap the
4365 copyright notice, in case it is longer than 80 columns. Replace
4366 comma by newline after title.
4367
4368 2006-05-11 Paul Eggert <eggert@cs.ucla.edu>
4369
4370 * doc/bison.texinfo (Calc++ Scanner): The flex behavior is an
4371 incompatibility, not a bug. Mention that it wasn't fixed as of
4372 flex 2.5.33.
4373
4374 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
4375
4376 * examples/extexi: Enforce the precedence of concatenation over
4377 >>.
4378 Reported by Tommy Nordgren.
4379
4380 2006-05-11 Akim Demaille <akim@lrde.epita.fr>
4381
4382 * data/lalr1.cc (yytranslate_): Rename token as t to avoid clashes
4383 with the member "token".
4384 Reported by Martin Nylin.
4385
4386 2006-05-08 Paul Eggert <eggert@cs.ucla.edu>
4387
4388 * data/glr.c: Switch to Bison 2.2 special-exception language in
4389 the copyright notice. Use more-regular format for titles and
4390 copyright notices.
4391 * data/glr.cc: Likewise.
4392 * data/location.cc: Likewise.
4393 * data/yacc.cc: Likewise.
4394 * doc/bison.texinfo (Conditions): Document this.
4395 * NEWS: likewise. Upgrade version to 2.2.
4396
4397 2006-04-27 Akim Demaille <akim@lrde.epita.fr>
4398
4399 * data/glr.cc: Remove dead code.
4400
4401 2006-04-25 Paul Eggert <eggert@cs.ucla.edu>
4402
4403 * bootstrap: Comment out the AM_CPPFLAGS line, since we don't use
4404 that variable and the line breaks the bootstrap. Problem reported
4405 by Juan M. Guerrero.
4406
4407 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
4408
4409 * doc/bison.texinfo (Multiple start-symbols): New.
4410
4411 2006-04-24 Akim Demaille <akim@lrde.epita.fr>
4412
4413 * etc/README, etc/bench.pl: New.
4414
4415 2006-04-03 Akim Demaille <akim@lrde.epita.fr>
4416
4417 * src/scan-gram.l: Be robust to BRACED_CODE appearing before any
4418 rule.
4419 Reported by Mickael Labau.
4420 * tests/input.at (Torturing the Scanner): Test it.
4421
4422 2006-03-16 Paul Eggert <eggert@cs.ucla.edu>
4423
4424 * doc/bison.texinfo (Decl Summary): Don't mention yylloc twice.
4425 Problem reported by Bob Rossi.
4426
4427 2006-03-13 Paul Eggert <eggert@cs.ucla.edu>
4428
4429 * doc/bison.texinfo: Remove @shorttitlepage stuff; it wasn't used
4430 and didn't really work.
4431 For the index, use @ifnotinfo, not @iftex.
4432 Minor cleanups of spacing and terminology.
4433
4434 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
4435
4436 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Fix the definition
4437 of AT_NAME_PREFIX when %name-prefix is not used.
4438
4439 2006-03-12 Akim Demaille <akim@lrde.epita.fr>
4440
4441 Apply --prefix to C++ skeletons too: they change the namespace.
4442 The test suite already exercize these cases.
4443 * data/c++.m4 (b4_namespace): New.
4444 * data/lalr1.cc, data/glr.cc, data/location.cc: Use it instead of `yy'.
4445 * data/lalr1.cc (yytnameerr_): Move its definition into the namespace.
4446 * data/yacc.c, data/glr.c: Remove a useless `[]'.
4447 * doc/bison.texinfo: Document it.
4448 (Option Cross Key): Use @multitable in all formats. It looks
4449 nicer, even in TeX outputs.
4450 (Rules): Use the same code whatever the output type is.
4451 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS)
4452 (_AT_BISON_OPTION_POPDEFS): Support AT_NAME_PREFIX.
4453 * tests/calc.at: Use it, instead of hard coding `yy'.
4454
4455 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
4456
4457 * TODO: Remove dead items.
4458
4459 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
4460
4461 * doc/FAQ: Remove, merged into...
4462 * doc/bison.texinfo (FAQ): this.
4463 * doc/Makefile.am (EXTRA_DIST): Adjust.
4464
4465 2006-03-10 Akim Demaille <akim@lrde.epita.fr>
4466
4467 * data/c.m4 (b4_token_enum): Always define the enum of tokens,
4468 even if empty.
4469 * data/lalrl1.cc, data/glr.cc (parser::token_type): New.
4470 * doc/bison.texinfo (Calc++ Scanner): Use it.
4471
4472 2006-03-09 Paul Eggert <eggert@cs.ucla.edu>
4473
4474 Fix two nits reported by twlevo, plus one more that I discovered.
4475
4476 * src/assoc.h (assoc_to_string): Give a name to the arg, as
4477 this is the usual Bison style.
4478 * src/location.h (location_print): Likewise.
4479
4480 * src/reader.h (token_name): Likewise.
4481
4482 2006-03-08 Paul Eggert <eggert@cs.ucla.edu>
4483
4484 Fix some nits reported by twlevo.
4485 * doc/FAQ: Remove ancient Y2K FAQ, replacing it with "secure"
4486 and "POSIX". Use more-modern syntax for URLs. Mention C++
4487 and ask for Java. Don't hardwire OS version numbers. Add
4488 copyright notice.
4489 * m4/.cvsignore: Add unistd_h.m4, for latest gnulib.
4490 * src/conflicts.c (solved_conflicts_obstack): Now static.
4491
4492 2006-03-08 Joel E. Denny <jdenny@ces.clemson.edu>
4493
4494 * doc/bison.texinfo (Introduction): Mention GLR and C++ as on the web
4495 page. Say "you can use it" not "you may use it" as on the web page;
4496 we're describing capabilities not granting permission.
4497
4498 2006-03-06 Paul Eggert <eggert@cs.ucla.edu>
4499
4500 * data/glr.c (yyresolveLocations): Rename local variables to avoid
4501 shadowing warnings. Use usual patter for iterating through RHS.
4502 * tests/glr-regression.at
4503 (Uninitialized location when reporting ambiguity):
4504 Modify yylex so that it uses its argument, rather than trying
4505 to rely on ARGSUSED (which doesn't work for gcc with warnings).
4506 const char -> char const.
4507
4508 * tests/Makefile.am ($(srcdir)/package.m4, maintainer-check-valgrind):
4509 Don't use tabs inside commands; it messes up 'ps'.
4510 Problem reported by twlevo.
4511
4512 2006-03-06 Joel E. Denny <jdenny@ces.clemson.edu>
4513
4514 * tests/glr-regression.at (Uninitialized location when reporting
4515 ambiguity): New test case.
4516 * data/glr.c (yyresolveLocations): New function, which uses
4517 YYLLOC_DEFAULT.
4518 (yyresolveValue): Invoke yyresolveLocations before reporting an
4519 ambiguity.
4520 * doc/bison.texinfo (Default Action for Locations): Note
4521 YYLLOC_DEFAULT's usage for ambiguity locations.
4522 (GLR Semantic Actions): Cross-reference those notes.
4523
4524 2006-03-04 Joel E. Denny <jdenny@ces.clemson.edu>
4525
4526 * tests/glr-regression.at (Leaked semantic values when reporting
4527 ambiguity): Remove unnecessary union and type declarations.
4528 (Leaked lookahead after nondeterministic parse syntax error): New test
4529 case.
4530 * data/glr.c (yyparse): Check for zero stacks remaining before
4531 attempting to shift the lookahead so that you don't lose it.
4532
4533 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
4534
4535 Avoid memory leaks by not invoking longjmp in yyreportAmbiguity.
4536 * tests/glr-regression.at (Leaked semantic values when reporting
4537 ambiguity): New test case.
4538 * data/glr.c (yyreportAmbiguity): Invoke yyyerror directly and return
4539 yyabort rather than invoking yyFail, which invokes longjmp. Remove the
4540 now unnecessary yystackp parameter.
4541 (yyresolveValue): Return yyreportAmbiguity's result. Now the necessary
4542 destructors can be called.
4543
4544 * tests/glr-regression.at: Don't invoke bison with `-t' unnecessarily
4545 in existing testcases.
4546
4547 2006-03-02 Joel E. Denny <jdenny@ces.clemson.edu>
4548
4549 Don't leak semantic values for parent RHS when a user action cuts the
4550 parser, and clean up related code a bit.
4551 * tests/glr-regression.at (Leaked merged semantic value if user action
4552 cuts parse): Rename to...
4553 (Leaked semantic values if user action cuts parse): ... this. Add check
4554 for leaked parent RHS values.
4555 * data/glr.c (yydestroyGLRState): In debugging output, distinguish
4556 between an unresolved state (non-empty chain of semantic options) and
4557 an incomplete one (signaled by an empty chain).
4558 (yyresolveStates): Document the interface. Move all manipulation of a
4559 successfully or unsuccessfully resolved yyGLRState to...
4560 (yyresolveValue): ... here so that yyresolveValue always leaves a
4561 yyGLRState with consistent data and thus is easier to understand.
4562 Remove the yyvalp and yylocp parameters since they are always just
4563 taken from the yys parameter. When reporting a discarded merged value
4564 in debugging output, note that it is incompletely merged. Document the
4565 interface.
4566 (yyresolveAction): If resolving any of the RHS states fails, destroy
4567 them all rather than leaking them. Thus, as long as user actions are
4568 written to clean up the RHS correctly, yyresolveAction always cleans up
4569 the RHS of a semantic option. Document the interface.
4570
4571 2006-02-27 Paul Eggert <eggert@cs.ucla.edu>
4572
4573 * data/glr.c (yyexpandGLRStack): Catch an off-by-one error that
4574 led to a segmentation fault in GNU Pascal. Problem reported
4575 by Waldek Hebisch.
4576
4577 2006-02-21 Joel E. Denny <jdenny@ces.clemson.edu>
4578
4579 * doc/bison.texinfo (Mid-Rule Actions): Explain how to bury a
4580 mid-rule action inside a nonterminal symbol in order to declare a
4581 destructor for its semantic value.
4582
4583 2006-02-16 Paul Eggert <eggert@cs.ucla.edu>
4584
4585 * data/yacc.c [(! defined yyoverflow || YYERROR_VERBOSE) && !
4586 YYSTACK_USE_ALLOCA && ! defined YYSTACK_ALLOC && defined
4587 __cplusplus && ! defined _STDLIB_H && !
4588 ((defined YYMALLOC || defined malloc) && (defined YYFREE ||
4589 defined free))]: Include <stdlib.h> rather than rolling our own
4590 declarations of malloc and free, to avoid problems with
4591 incompatible declarations (using 'throw') C++'s stdlib.h. This
4592 should fix Debian bug 340012
4593 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=340012>,
4594 reported by Guillaume Melquiond.
4595
4596 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
4597
4598 * NEWS: Clarify symbols versus types in unused-value warnings.
4599
4600 * configure.ac (AC_INIT): Bump version number.
4601
4602 2006-02-13 Paul Eggert <eggert@cs.ucla.edu>
4603
4604 * NEWS: Version 2.1a.
4605 * tests/headers.at (AT_TEST_CPP_GUARD_H): Declare yyerror and yylex,
4606 since C99 requires this.
4607
4608 2006-02-11 Paul Eggert <eggert@cs.ucla.edu>
4609
4610 * m4/c-working.m4: New file.
4611 * configure.ac (BISON_TEST_FOR_WORKING_C_COMPILER): Use it.
4612
4613 2006-02-10 Paul Eggert <eggert@cs.ucla.edu>
4614
4615 * Makefile.maint: Merge from coreutils.
4616
4617 2006-02-09 Paul Eggert <eggert@cs.ucla.edu>
4618
4619 More portability fixes for problems summarized by Nelson H. F. Beebe.
4620
4621 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Catch a
4622 configuration screwup "./configure CC=/opt/SUNWspro/bin/c89
4623 CFLAGS="-xarch=generic64" CXX=/opt/SUNWspro/bin/CC
4624 LDFLAGS="-xarch=generic64" with Sun C 5.7 on Solaris 10; this
4625 messes up because C++ code is compiled in 32-bit mode but linked
4626 in 64-bit mode.
4627
4628 2006-02-08 Paul Eggert <eggert@cs.ucla.edu>
4629
4630 More portability fixes for problems summarized by Nelson H. F. Beebe.
4631
4632 * doc/bison.texinfo (Calc++ Scanner): Work around a bug in flex
4633 2.5.31. This resembles the 2005-10-10 patch to src/scan-skel.l.
4634
4635 * examples/calc++/Makefile.am (check_PROGRAMS): Renamed from
4636 nodist_PROGRAMS, since we don't need to actually compile the
4637 example if we're just doing a plain 'make'. This avoids bothering
4638 the installer unnecessarily about problems due to weird C++
4639 compilers.
4640
4641 2006-02-06 Paul Eggert <eggert@cs.ucla.edu>
4642
4643 More portability fixes for problems summarized by Nelson H. F. Beebe.
4644
4645 * tests/headers.at (AT_TEST_CPP_GUARD_H): Use #include <...> rather
4646 than #include "...", and compile with -I'.'. The old method was
4647 not portable, according to Posix and the C standard, and it does
4648 not work with Sun C 5.7, where previous #line directives affect
4649 the working directory used in later #include "..." directives.
4650
4651 2006-02-06 Juan Manuel Guerrero <juan.guerrero@gmx.de>
4652
4653 Various DJGGP specific issues in /djgpp
4654
4655 2006-02-02 Paul Eggert <eggert@cs.ucla.edu>
4656
4657 More portability fixes for problems summarized by Nelson H. F. Beebe.
4658
4659 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check that
4660 '#include <map>' works and that you can apply ++ to iterators.
4661
4662 2006-02-01 Paul Eggert <eggert@cs.ucla.edu>
4663
4664 Work around portability problems summarized by Nelson H. F. Beebe in
4665 <http://lists.gnu.org/archive/html/bug-bison/2005-09/msg00021.html>.
4666
4667 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
4668 that '#include <string>' works.
4669
4670 * data/lalr1.cc (yytranslate_): No longer inline, to work around a
4671 porting problem to g++ 3.4.3 on Darwin 7.9.0, where g++ complained
4672 "warning: sorry: semantics of inline function static data `const
4673 unsigned char translate_table[262]' are wrong (you'll wind up with
4674 multiple copies)".
4675
4676 * lib/bbitset.h (struct bitset_vtable): Rename members not, and,
4677 or, xor to not_, and_, or_, and xor_, respectively. This works
4678 around a bug in GCC 3.4.3 on Irix 6.5, which apparently has a
4679 random system header somewhere that includes the equivalent of
4680 <iso646.h>.
4681
4682 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that "$CC
4683 -E" works; it apparently doesn't work with PathScale EKO Compiler
4684 Suite Version 2.0.
4685
4686 2006-01-30 Joel E. Denny <jdenny@ces.clemson.edu>
4687
4688 During deterministic GLR operation, user actions should be able to
4689 influence the parse by changing yychar. To make this easier to fix and
4690 to make glr.c easier to evolve in general, don't maintain yytoken in
4691 parallel with yychar; just compute yytoken when needed.
4692 * tests/glr-regression.at (Incorrect lookahead during deterministic
4693 GLR): Check that setting yychar in a user action has the intended
4694 effect.
4695 * data/glr.c (yyGLRStack): Remove yytokenp member.
4696 (yyclearin): Don't set *yytokenp.
4697 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Examine
4698 yychar rather than *yytokenp to determine the current lookahead.
4699 Compute yytoken locally when needed.
4700 (yyparse): Likewise. Remove the local yytoken that yytokenp used to
4701 point to.
4702
4703 * doc/bison.texinfo (Bison Options): Remove stray sentence fragment
4704 after `--report' documentation.
4705
4706 2006-01-30 Paul Eggert <eggert@cs.ucla.edu>
4707
4708 * src/parse-gram.y (grammar_declaration): Location of printer
4709 symbol is @1, not list->location. Bug reported by twlevo.
4710 * tests/input.at (Incompatible Aliases): Adjust to above change.
4711
4712 2006-01-29 Paul Eggert <eggert@cs.ucla.edu>
4713
4714 * tests/input.at (AT_CHECK_UNUSED_VALUES): Remove. Instead, do
4715 all the test at once. This makes the output easier to read in the
4716 normal case.
4717
4718 Fix a longstanding bug uncovered by bro-0.9a9/src/parse.y, which I
4719 got from <http://bro-ids.org/download.html>. The bug is that
4720 when two actions appeared in succession, the second one was
4721 scanned before the first one was added to the grammar rule
4722 as a midrule action. Bison then output the incorrect warning
4723 "parse.y:905.17-906.36: warning: unused value: $3".
4724 * src/parse-gram.y (BRACED_CODE, action): These are no longer
4725 associated with a value.
4726 (rhs): Don't invoke grammar_current_rule_action_append.
4727 (action): Invoke it here instead.
4728 * src/reader.c (grammar_midrule_action): Now extern.
4729 (grammar_current_rule_action_append): Don't invoke
4730 grammar_midrule_action; that is now the scanner's job.
4731 * src/reader.h (last_string, last_braced_code_loc):
4732 (grammar_midrule_action): New decls.
4733 * src/scan-gram.l (last_string): Now extern, sigh.
4734 (last_braced_code_loc): New extern variable.
4735 (<INITIAL>"{"): Invoke grammar_midrule_action if the current
4736 rule already has an action.
4737 (<SC_BRACED_CODE>"}"): Set last_braced_code_loc before returning.
4738 * tests/input.at (AT_CHECK_UNUSED_VALUES):
4739 Add some tests to check that the above changes fixed the bug.
4740
4741 2006-01-27 Paul Eggert <eggert@cs.ucla.edu>
4742
4743 * src/reader.c (symbol_should_be_used): Renamed from symbol_typed_p.
4744 All used changed. Check whether the symbol has a destructor,
4745 not whether it is typed.
4746 * tests/input.at (AT_CHECK_UNUSED_VALUES): Add a destructor, so
4747 that the values are still reported as unused. All line numbers
4748 adjusted.
4749
4750 2006-01-23 Paul Eggert <eggert@cs.ucla.edu>
4751
4752 Work around a bug in bro 0.8, which underparenthesizes its
4753 definition of YYLLOC_DEFAULT.
4754 * data/glr.c: Change all uses of YYLLOC_DEFAULT to parenthesize
4755 their arguments.
4756 * data/lalr1.cc: Likewise.
4757 * data/yacc.cc: Likewise.
4758
4759 2006-01-22 Paul Eggert <eggert@cs.ucla.edu>
4760
4761 Work around a bug in Pike 7.0, and give the Pike folks a
4762 better way to override the usual int widths.
4763 * data/yacc.c (b4_int_type): Use yytype_uint8, etc., so that the
4764 user can override the types.
4765 (short): #undef, to work around a bug in Pike 7.0.
4766 (yytype_uint8, yytype_int8, yytype_uint16, yytype_int16): New types.
4767 (union yyalloc.yyss): Use yytype_int16 rather than short.
4768 All uses changed.
4769 (yysigned_char): Remove.
4770 * src/parse-gram.y (YYTYPE_UINT8, YYTYPE_INT8, YYTYPE_UINT16):
4771 (YYTYPE_INT16): New macros, to test the new facility in yacc.c.
4772 * tests/regression.at (Web2c Actions): Adjust to above changes.
4773
4774 * src/reader.c (check_and_convert_grammar): New function.
4775 (reader): Close the input file even if something went wrong during
4776 parsing. Minor file descriptor leak reported by twlevo.
4777
4778 * src/assoc.c (assoc_to_string): Use a default: abort (); case
4779 to pacify gcc -Wswitch-default.
4780 * src/scan-gram.l (adjust_location): Use a default: break; case
4781 to pacify gcc -Wswitch-default.
4782 * src/scan-skel.h (skel_get_lineno, skel_get_in, skel_get_out):
4783 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
4784 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
4785 Move these decls to scan-skel.l, since they don't need to be
4786 visible elsewhere.
4787 * src/scan-skel.l: Accept the above decls.
4788 (skel_lex): New decl, to pacify GCC when unpatched flex 2.5.31
4789 is used.
4790
4791 2006-01-21 Paul Eggert <eggert@cs.ucla.edu>
4792
4793 * Makefile.cfg (local-checks-to-skip): Add changelog-check,
4794 since we don't want to insist on a version number at the start
4795 of the changelog every time.
4796 * Makefile.maint: Sync from coreutils a bit better.
4797 (sc_trailing_blank): Renamed from sc_trailing_space.
4798 All uses changed.
4799 (sc_no_if_have_config_h, sc_require_config_h):
4800 (sc_prohibit_assert_without_use): New rules.
4801 (sc_obsolete_symbols): Don't catch Makefile.maint itself.
4802 (sc_dd_max_sym_length): Fix leading spaces in rule.
4803 (sc_system_h_headers): Prefix with @.
4804 (sc_useless_cpp_parens, m4-check): Output line numbers.
4805 (changelog-check): Allow version only in head.
4806 * data/c.m4: Use "defined FOO" instead of "defined (FOO)", to
4807 satisfy new Makefile.maint rule.
4808 * data/glr.c: Likewise.
4809 * data/glr.cc: Likewise.
4810 * data/lalr1.cc: Likewise.
4811 * data/yacc.c: Likewise.
4812 * lib/ebitsetv.c: Likewise.
4813 * lib/lbitset.c: Likewise.
4814 * lib/subpipe.c: Likewise.
4815 * lib/timevar.c: Likewise.
4816 * src/system.h: Likewise.
4817 * data/yacc.c (YYSTYPE): Don't generate trailing spaces in output.
4818 * djgpp/Makefile.maint: Add copyright notice.
4819 * djgpp/README.in: Likewise.
4820 * djgpp/config.bat: Likewise.
4821 * djgpp/config.site: Likewise.
4822 * djgpp/config_h.sed: Likewise.
4823 * djgpp/djunpack.bat: Likewise.
4824 * djgpp/config.sed: Fix copyright notice to match standard format.
4825 * djgpp/subpipe.h: Likewise.
4826 * lib/bitsetv-print.c: Likewise.
4827 * lib/bitsetv.c: Likewise.
4828 * lib/subpipe.h: Likewise.
4829 * lib/timevar.c: Likewise.
4830 * lib/timevar.h: Likewise.
4831 * djgpp/subpipe.c: Use standard recipe for config.h.
4832 * lib/abitset.c: Likewise.
4833 * lib/bitset.c: Likewise.
4834 * lib/bitset_stats.c: Likewise.
4835 * lib/bitsetv-print.c: Likewise.
4836 * lib/bitsetv.c: Likewise.
4837 * lib/ebitsetv.c: Likewise.
4838 * lib/get-errno.c: Likewise.
4839 * lib/lbitset.c: Likewise.
4840 * lib/subpipe.c: Likewise.
4841 * lib/timevar.c: Likewise.
4842 * lib/vbitset.c: Likewise.
4843 * tests/local.at: Likewise.
4844 * src/scan-gram.l: Don't include verify.h, since system.h does
4845 that for us.
4846 * .x-sc_require_config_h: New file.
4847 * .x-sc_unmarked_diagnostics: New file.
4848
4849 2006-01-20 Paul Eggert <eggert@cs.ucla.edu>
4850
4851 Be a bit more systematic about using 'abort'.
4852 * lib/abitset.c (abitset_test): Remove ATTRIBUTE_UNUSED; not needed.
4853 * lib/bitset.c (bitset_bytes, bitset_init, bitset_op4_cmp):
4854 Put 'default: abort ();' before some other case, to satisfy older
4855 pedantic compilers.
4856 * lib/bitset_stats.c (bitset_stats_init): Likewise.
4857 * lib/ebitset.c (ebitset_elt_find, ebitset_op3_cmp): Likewise.
4858 * lib/lbitset.c (lbitset_elt_find, lbitset_op3_cmp): Likewise.
4859 * src/conflicts.c (resolve_sr_conflict): Likewise.
4860 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str):
4861 (get_decision_str, get_orientation_str, get_node_alignment_str):
4862 (get_arrow_mode_str, get_crossing_type_str, get_view_str):
4863 (get_linestyle_str, get_arrowstyle_str): Likewise.
4864 * src/conflicts.c (resolve_sr_conflict):
4865 Use a default case rather than one for the one remaining enum
4866 value, to catch invalid enum values as well.
4867 * src/lalr.c (set_goto_map, map_goto):
4868 Prefer "assert (FOO);" to "if (!FOO) abort ();".
4869 * src/nullable.c (nullable_compute, token_definitions_output):
4870 Likewise.
4871 * src/reader.c (packgram, reader): Likewise.
4872 * src/state.c (transitions_to, state_new, state_reduction_find):
4873 Likewise.
4874 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias):
4875 (symbol_pack): Likewise.
4876 * src/tables.c (conflict_row, pack_vector): Likewise.
4877 * src/scan-skel.l (QPUTS): Remove unnecessary parens.
4878 (BASE_QPUTS, "@output ".*\n): Remove unnecessary asserts.
4879 * src/system.h: Don't include <assert.h>.
4880 (assert): New macro.
4881
4882 * doc/bison.texinfo (Prologue, Rules, Actions, Union Decl, Action Decl):
4883 (Destructor Decl, Parser Function, Pure Calling):
4884 Describe rules for braces inside C code more carefully.
4885
4886 2006-01-19 Paul Eggert <eggert@cs.ucla.edu>
4887
4888 Fix some porting glitches found by Nelson H. F. Beebe.
4889 * lib/abitset.c (abitset_resize): Rewrite to avoid warnings from
4890 compilers that don't understand that abort () does not return.
4891 * src/state.c (transitions_to): Likewise.
4892 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check
4893 that '#include <cstdlib>' works.
4894 * src/system.h (INT8_MIN, INT16_MIN, INT32_MIN, INT8_MAX):
4895 (INT16_MAX, UINT8_MAX, INT32_MAX, UINT16_MAX, UINT32_MAX):
4896 #undef if ! defined __STDC_VERSION__ || __STDC_VERSION__ < 199901,
4897 for the benefit of some pre-C99 compilers.
4898
4899 * bootstrap: Undo changes to gnulib files that autoreconf made.
4900
4901 Minor fixups to get 'make maintainer-check' to work.
4902 * configure.ac: Don't use -Wnested-externs, as it's incompatible
4903 with the new verify.h implementation.
4904 * data/c.m4 (b4_yy_symbol_print_generate): YYUSE (yyoutput).
4905 * data/glr.c (YYUSE): Depend on __GNUC__ as well.
4906 * data/yacc.c (YYUSE): Likewise.
4907 * data/lalr1.cc (yysyntax_error_): YYUSE (yystate).
4908 * lib/subpipe.c (end_of_output_subpipe): The args are unused.
4909 * src/parse-gram.y (declaration): Don't pass a string constant
4910 to a function that expects char *, since GCC might complain
4911 about the constant value.
4912 * src/reader.c (symbol_typed_p): Add parens to pacify GCC.
4913 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): #undef yylloc and yylval
4914 before #defining them.
4915 * tests/glr-regression.at
4916 (Incorrectly initialized location for empty right-hand side in GLR):
4917 In yyerror, use the msg arg.
4918 (Corrupted semantic options if user action cuts parse):
4919 (Incorrect lookahead during deterministic GLR):
4920 (Incorrect lookahead during nondeterministic GLR):
4921 Don't name a local var 'index'; it shadows string.h's 'index'.
4922
4923 2006-01-19 Akim Demaille <akim@epita.fr>
4924
4925 * tests/calc.at (_AT_DATA_CALC_Y): Initialize the whole initial
4926 location, not just parts of it.
4927
4928 2006-01-18 Paul Eggert <eggert@cs.ucla.edu>
4929
4930 * NEWS: Document the fact that multiple %unions are now allowed.
4931 * doc/bison.texinfo (Union Decl): Likewise.
4932 * TODO: This feature is now implemented, so remove it from
4933 the wishlist.
4934
4935 * Makefile.maint: Merge with coreutils Makefile.maint.
4936 (CVS_LIST): Use build-aux version if available.
4937 (VERSION_REGEXP): New macro.
4938 (syntax-check-rules): Add sc_no_if_have_config_h,
4939 sc_prohibit_assert_without_use, sc_require_config_h,
4940 sc_useless_cpp_parens.
4941 (sc_obsolete_symbols): Check for O_NDELAY.
4942 (sc_dd_max_sym_length): Track coreutils.
4943 (sc_unmarked_diagnostics): Look in all files, not just *.c.
4944 (sc_useless_cpp_parens): New rule.
4945 (news-date-check): Look for version or today's date.
4946 (changelog-check): Don't require version number near head.
4947 (copyright-check): Use current year instead of hardwiring 2005.
4948 (my-distcheck): Depend on $(release_archive_dir)/$(prev-tgz).
4949 (announcement): Add --gpg-key-ID.
4950
4951 * djgpp/config.sed: Add copyright notice, and replace "filesystem"
4952 with "file system".
4953
4954 Avoid undefined behavior that addressed just before the start of an
4955 array. Problem reported by twlevo.
4956 * src/reader.c (packgram): Prepend a new sentinel before ritem.
4957 * src/lalr.c (build_relations): Rely on new sentinel.
4958 * src/gram.c (gram_free): Adjust to new sentinel.
4959
4960 2006-01-12 Joel E. Denny <jdenny@ces.clemson.edu>
4961
4962 * data/glr.c (yyGLRStateSet): Rename yylookaheadStatuses to
4963 yylookaheadNeeds. All uses updated.
4964 (yysplitStack): Rename local yynewLookaheadStatuses to
4965 yynewLookaheadNeeds.
4966 * data/glr-regression.at (Incorrect lookahead during nondeterministic
4967 GLR): In comments, change `lookahead status' to `lookahead need'.
4968
4969 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
4970
4971 * data/glr.c (yysplitStack): A little stylistic rewrite.
4972
4973 2006-01-11 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
4974
4975 * data/glr.c (yyaddDeferredAction): Flesh out the comment.
4976
4977 2006-01-11 Joel E. Denny <jdenny@ces.clemson.edu>
4978
4979 * doc/bison.texinfo: Fix some typos.
4980 (GLR Semantic Actions): New subsection discussing special
4981 considerations because GLR semantic actions might be deferred.
4982 (Actions): Mention look-ahead usage of yylval.
4983 (Actions and Locations): Mention look-ahead usage of yylloc.
4984 (Special Features for Use in Actions): Add YYEOF entry and mention it
4985 in the yychar entry.
4986 In the yychar entry, remove mention of the local yychar case (pure
4987 parser) since this is irrelevant information when writing semantic
4988 actions and since it's already discussed in `Table of Symbols' where
4989 yychar is otherwise described as an external variable.
4990 In the yychar entry, don't call it the `current' look-ahead since it
4991 isn't when semantic actions are deferred.
4992 In the yychar and yyclearin entries, add note about deferred semantic
4993 actions.
4994 Add yylloc and yylval entries discussing look-ahead usage.
4995 (Look-Ahead Tokens): When discussing yychar, don't call it the
4996 `current' look-ahead, and do mention yylval and yylloc.
4997 (Error Recovery): Cross-reference `Action Features' when mentioning
4998 yyclearin.
4999 (Table of Symbols): In the yychar entry, don't call it the `current'
5000 look-ahead.
5001 In the yylloc and yylval entries, mention look-ahead usage.
5002
5003 2006-01-08 Joel E. Denny <jdenny@ces.clemson.edu>
5004
5005 * tests/glr-regression.at: Update copyright year to 2006.
5006
5007 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
5008
5009 * data/glr.c (yyGLRStateSet): Add yybool* yylookaheadStatuses member to
5010 use during nondeterministic operation to track which stacks have
5011 actually needed the current lookahead.
5012 (yyinitStateSet, yyfreeStateSet, yyremoveDeletes, yysplitStack):
5013 Allocate, deallocate, resize, and otherwise shuffle space for
5014 yylookaheadStatuses in parallel with yystates member of yyGLRStateSet.
5015 (yysplitStack, yyprocessOneStack, yyparse): Set lookahead status
5016 appropriately during nondeterministic operation.
5017 (yySemanticOption): Add int yyrawchar, YYSTYPE yyval, and YYLTYPE yyloc
5018 members to store the current lookahead to be used by the deferred
5019 user action.
5020 (yyaddDeferredAction): Add size_t yyk parameter specifying the stack
5021 from which the RHS is taken. Set the lookahead members of the new
5022 yySemanticOption according to the lookahead status for stack yyk.
5023 (yyglrShiftDefer, yyglrReduce): Pass yyk parameter on to
5024 yyaddDeferredAction.
5025 (yyresolveAction): Set yychar, yylval, and yylloc to the lookahead
5026 members of yySemanticOption before invoking yyuserAction, and then set
5027 them back to their current values afterward.
5028 (yyparse): Set yychar = YYEMPTY where yytoken = YYEMPTY.
5029 (yyreportAmbiguity): Add /*ARGSUSED*/ to pacify lint.
5030 * tests/glr-regression.at: Remove `.' from the ends of recent test case
5031 titles for consistency.
5032 (Leaked merged semantic value if user action cuts parse): In order to
5033 suppress lint warnings, use arguments in merge function, and assign
5034 char value < 128 in main.
5035 (Incorrect lookahead during deterministic GLR): New test case.
5036 (Incorrect lookahead during nondeterministic GLR): New test case.
5037
5038 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
5039
5040 * data/c.m4 (b4_yy_symbol_print_generate): In yy_symbol_print, accept
5041 !yyvaluep as signal that no semantic value is available to print.
5042 * data/glr.c (yydestroyGLRState): If state is not resolved, don't try
5043 to print a semantic value.
5044
5045 2006-01-06 Joel E. Denny <jdenny@ces.clemson.edu>
5046
5047 * tests/glr-regression.at: For consistency with my newer test cases,
5048 don't thank myself.
5049
5050 2006-01-05 Joel E. Denny <jdenny@ces.clemson.edu>
5051
5052 * data/glr.c (yyresolveValue): When merging semantic options, if at
5053 least one user action succeeds but a later one cuts the parse, then
5054 destroy the semantic value before returning rather than leaking it.
5055 (yyresolveStates): If a user action cuts the parse and thus
5056 yyresolveValue fails, ignore the (unset) semantic value rather than
5057 corrupting the yyGLRState, and empty the semantic options list since
5058 the user actions should have called all necessary destructors.
5059 Simplify code with YYCHK.
5060 * tests/glr-regression.at (Corrupted semantic options if user action
5061 cuts parse): New test case.
5062 (Undesirable destructors if user action cuts parse): New test case.
5063 Before applying any of this patch, this test case never actually failed
5064 for me... but only because the corrupted semantic options usually
5065 masked this bug.
5066 (Leaked merged semantic value if user action cuts parse): New test
5067 case.
5068
5069 2006-01-05 Akim Demaille <akim@epita.fr>
5070
5071 * src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.
5072
5073 2006-01-04 Paul Eggert <eggert@cs.ucla.edu>
5074
5075 * data/c.m4 (b4_c_modern): New macro, with a new provision for
5076 _MSC_VER. Problem reported by Cenzato Marco.
5077 (b4_c_function_def): Use it.
5078 * data/yacc.c (YYMODERN_C): Remove. All uses replaced by
5079 b4_c_modern.
5080 (yystrlen, yystpcpy, yyparse): Use b4_c_function... macros rather
5081 than rolling our own.
5082
5083 2006-01-04 Akim Demaille <akim@epita.fr>
5084
5085 Also warn about non-used mid-rule values.
5086 * src/symlist.h, src/symlist.c (symbol_list): Add a mid_rule
5087 member.
5088 (symbol_list_new): Adjust.
5089 * src/reader.c (symbol_typed_p): New.
5090 (grammar_rule_check): Use it.
5091 (grammar_midrule_action): Bind a mid-rule LHS to its rule.
5092 Check its rule.
5093 * tests/input.at (AT_CHECK_UNUSED_VALUES): New.
5094 Use it.
5095 * tests/actions.at (Exotic Dollars): Adjust.
5096
5097 2006-01-04 Akim Demaille <akim@epita.fr>
5098
5099 * src/reader.c (grammar_midrule_action): If $$ is set in a
5100 mid-rule, move the `used' bit to its lhs.
5101 * tests/input.at (Unused values): New.
5102 * tests/actions.at (Exotic Dollars): Adjust: exp is not typed.
5103
5104 2006-01-03 Paul Eggert <eggert@cs.ucla.edu>
5105
5106 * doc/bison.texinfo (Bison Options): Say more accurately what
5107 --yacc does.
5108 * src/parse-gram.y (rules_or_grammar_declaration): Don't complain
5109 about declarations in the grammar when in Yacc mode, as POSIX does
5110 not require a diagnostic when the grammar uses extensions.
5111
5112 * src/reduce.c (reduce_grammar): Remove unnecessary cast to bool.
5113
5114 Warn about dubious constructions like "%token T T".
5115 Reported by twlevo.
5116 * src/symtab.h (struct symbol.declared): New member.
5117 * src/symtab.c (symbol_new): Initialize it to false.
5118 (symbol_class_set): New arg DECLARING, specifying whether
5119 this is a declaration that we want to warn about, if there
5120 is more than one of them. All uses changed.
5121
5122 * data/glr.c, data/glr.cc, data/lalr1.cc, data/yacc.c:
5123 Allow multiple %union directives, whose contents concatenate.
5124 * src/parse-gram.y (grammar_declaration): Likewise.
5125 Use muscle_code_grow, so that we don't need stype_line any more.
5126 All uses changed.
5127
5128 * src/muscle_tab.c (muscle_grow): Fix comment.
5129
5130 * ChangeLog, data/c.m4, data/glr.c, data/glr.cc, data/location.cc:
5131 * data/yacc.c, src/getargs.c, src/output.c, tests/cxx-type.at:
5132 Update copyright year to 2006.
5133
5134 2006-01-03 Akim Demaille <akim@epita.fr>
5135
5136 Have glr.cc pass (some of) the calc.at tests.
5137 * data/glr.cc (b4_parse_param_orig): New.
5138 (b4_parse_param): Improve its definition, and bound it more
5139 clearly in the skeleton.
5140 (b4_epilogue): Append, instead of prepending, in order to keep
5141 #line consistency.
5142 Simplify the generation of auxiliary functions: locations and
5143 purity are mandated.
5144 (b4_global_tokens_and_yystype): Honor it.
5145 * data/location.cc (c++.m4): Don't include it.
5146 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Define AT_GLR_CC_IF
5147 and AT_SKEL_CC_IF.
5148 * tests/calc.at (AT_CHECK_CALC): Rely on AT_SKEL_CC_IF instead of
5149 AT_LALR1_CC_IF.
5150 Be sure to initialize the first position's filename.
5151 (AT_CHECK_CALC_LALR1_CC): Add %location and %defines, they are
5152 mandated anyway.
5153 (AT_CHECK_CALC_GLR_CC): New.
5154 Use it to exercise glr.cc as a lalr1.cc drop-in replacement.
5155
5156 2006-01-02 Akim Demaille <akim@epita.fr>
5157
5158 * src/output.c (output_skeleton): Don't hard wire the inclusion of
5159 c.m4.
5160 * data/c++.m4, data/glr.c, data/yacc.c: Include c.m4.
5161 * data/glr.cc: Do not include stack.hh.
5162
5163 2006-01-02 Joel E. Denny <jdenny@ces.clemson.edu>
5164
5165 * data/glr.c: Reformat whitespace with tabs.
5166 (b4_lpure_formals): Remove this unused m4 macro.
5167 * tests/cxx-type.at: Reformat whitespace with tabs.
5168 (_AT_TEST_GLR_CXXTYPES): In union Node, rename node_info to nodeInfo
5169 since it's a member. Rename type to isNterm for clarity.
5170
5171 2005-12-29 Akim <akim@sulaco.local>
5172
5173 Let glr.cc catch up with symbol_value_print.
5174 * data/glr.cc (b4_yysymprint_generate): Replace by...
5175 (b4_yy_symbol_print_generate): this.
5176 (yy_symbol_print, yy_symbol_value_print): Declare them.
5177
5178 2005-12-28 Paul Eggert <eggert@cs.ucla.edu>
5179
5180 * src/location.h (boundary): Note that a line or column equal
5181 to INT_MAX indicates an overflow.
5182 * src/scan-gram.l: Include verify.h. Don't include get-errno.h.
5183 (rule_length_overflow, increment_rule_length, add_column_width):
5184 New functions.
5185 (<INITIAL>{id}, <SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'"):
5186 (<SC_BRACED_CODE>"}"):
5187 Use increment_rule_length rather than incrementing it by hand.
5188 (adjust_location, handle_syncline): Diagnose overflow.
5189 (handle_action_dollar, handle_action_at):
5190 Fix bug with monstrosities like $-2147483648.
5191 Remove now-unnecessary checks.
5192 (scan_integer): Verify assumptions and remove now-unnecessary checks.
5193 (convert_ucn_to_byte): Verify assumptions.
5194 (handle_syncline): New arg LOC. All callers changed.
5195 Don't store through a value derived from char const * pointer.
5196
5197 * src/reader.c (grammar_rule_check): Rewrite slightly to avoid
5198 GCC warnings.
5199
5200 2005-12-27 Paul Eggert <eggert@cs.ucla.edu>
5201
5202 * src/reader.c (grammar_midrule_action, grammar_symbol_append):
5203 Remove unnecessary forward static decls.
5204
5205 2005-12-27 Akim Demaille <akim@epita.fr>
5206
5207 * src/reader.c (grammar_current_rule_check): Also check that $$
5208 is used.
5209 Take the rule to check as argument, hence rename as...
5210 (grammar_rule_check): this.
5211 * src/reader.h, src/reader.c (grammar_rule_begin, grammar_rule_end):
5212 Rename as...
5213 (grammar_rule_begin, grammar_rule_end): these, for consistency.
5214 (grammar_midrule_action, grammar_symbol_append): Now static.
5215 * tests/torture.at (input): Don't rely on the default action
5216 being always performed.
5217 * tests/calc.at: "Set" $$ even when the action is "cut" with
5218 YYERROR or other.
5219 * tests/actions.at (Exotic Dollars): Instead of using unused
5220 values, check that the warning is issued.
5221
5222 2005-12-22 Paul Eggert <eggert@cs.ucla.edu>
5223
5224 * NEWS: Improve wording for unused-value warnings.
5225
5226 2005-12-22 Akim Demaille <akim@epita.fr>
5227
5228 * data/lalr1.cc, data/yacc.c, data/glr.c, data/c.m4
5229 (b4_yysymprint_generate): Rename as...
5230 (b4_yy_symbol_print_generate): this.
5231 Generate yy_symbol_print instead of yysymprint.
5232 Generate also yy_symbol_value_print, and use it.
5233
5234 2005-12-22 Akim Demaille <akim@epita.fr>
5235
5236 * NEWS: Warn about unused values.
5237 * src/symlist.h, src/symlist.c (symbol_list, symbol_list_new): Add
5238 a `used' member.
5239 (symbol_list_n_get, symbol_list_n_used_set): New.
5240 (symbol_list_n_type_name_get): Use symbol_list_n_get.
5241 * src/scan-gram.l (handle_action_dollar): Flag used symbols.
5242 * src/reader.c (grammar_current_rule_check): Check that values are
5243 used.
5244 * src/symtab.c (symbol_print): Accept 0.
5245 * tests/existing.at: Remove the type information.
5246 Empty the actions.
5247 Remove useless actions (beware of mid-rule actions: perl -000
5248 -pi -e 's/\s*\{\}(?=[\n\s]*[|;])//g').
5249 * tests/actions.at (Exotic Dollars): Use unused values.
5250 * tests/calc.at: Likewise.
5251 * tests/glr-regression.at (No users destructors if stack 0 deleted):
5252 Likewise.
5253
5254 * src/gram.c (rule_useful_p, rule_never_reduced_p): Use
5255 rule_useful_p.
5256
5257 2005-12-21 Paul Eggert <eggert@cs.ucla.edu>
5258
5259 Undo 2005-12-01 tentative license wording change. The wording is
5260 still being reviewed by the lawyers, and we don't want to wait for
5261 them before publishing a test release. For now, revert to the
5262 previous wording.
5263 * NEWS: Undo 2005-12-01 change.
5264 * data/glr.c: Revert to previous license wording.
5265 * data/glr.cc: Likewise.
5266 * data/lalr1.cc: Likewise.
5267 * data/location.cc: Likewise.
5268 * data/yacc.c: Likewise.
5269
5270 * NEWS: Reword %destructor vs YYABORT etc.
5271 * data/glr.c: Use American spacing, for consistency.
5272 * data/glr.cc: Likewise.
5273 * data/lalr1.cc: Likewise.
5274 * data/yacc.c: Likewise.
5275 * data/yacc.c: Reformat comments slightly.
5276 * doc/bison.texinfo: Replace "non-" with "non" when that makes sense,
5277 for consistency. Fix some spelling errors and reword recently-included
5278 text slightly.
5279 * tests/cxx-type.at: Cast results of malloc, for C++.
5280
5281 2005-12-21 Joel E. Denny <address@hidden>
5282
5283 * tests/cxx-type.at: Construct a tree, count the parents of shared
5284 nodes, and free each node once and only once. Previously, the memory
5285 for semantic values was leaked instead.
5286
5287 2005-12-21 Joel E. Denny <address@hidden>
5288
5289 * data/glr.c (struct yyGLRStack): If pure, add yyval and yyloc members.
5290 (yylval, yylloc): If pure, #define to yystackp->yyval and
5291 yystackp->yyloc similar to yychar and yynerrs.
5292 (yyparse): If pure, remove local yylval and yylloc. Add local
5293 yystackp to accommodate pure definitions of yylval and yylloc.
5294 (b4_lex_param, b4_lyyerror_args, b4_lpure_args): If pure, change
5295 yylvalp and yyllocp to &yylval and &yylloc.
5296 (nerrs, char, lval, lloc): If pure, add #define's for b4_prefix[]
5297 namespace. Previously, nerrs and char were missing, but lval and lloc
5298 weren't necessary.
5299 (yyprocessOneStack, yyreportSyntaxError, yyrecoverSyntaxError): Remove
5300 yylvalp and yyllocp parameters since, if pure, these are now always
5301 accessible through yystackp. If not pure, they are still accessible
5302 globally.
5303 * data/glr.c, data/yacc.c (YYLLOC_DEFAULT): Change `if (N)' to
5304 `if (YYID (N))' to pacify lint.
5305
5306 2005-12-21 Akim Demaille <akim@epita.fr>
5307
5308 YYACCEPT, YYERROR, and YYABORT, as user actions, should not
5309 destroy the RHS symbols of a rule.
5310 * data/yacc.c (yylen): Initialize to 0.
5311 Keep its value to the number of items to possibly shift.
5312 In particular, a regular successful parse that ends on YYFINAL by
5313 a (internal) YYACCEPT must not have yylen != 0.
5314 (yyerrorlab, yyreturn): Pop the RHS.
5315 Reorder a bit to emphasize the `shifting' bits of code.
5316 (YYPOPSTACK): Now accept a number of items to pop.
5317 * data/lalr1.cc: Likewise.
5318 * data/glr.c: Formatting changes.
5319 Use goto instead of fall through.
5320 * doc/bison.texinfo (Destructor Decl): Complete.
5321
5322 2005-12-20 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5323
5324 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
5325 * djgpp/Makefile.maint: Fix PACKAGE variable computation.
5326 * djgpp/config.bat: Replace every occurence of the file name
5327 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
5328 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
5329 * djgpp/config.sed: Replace every occurence of the file name
5330 scan-gram-c.c with c-scan-gram.c. The same for scan-skel-c.c with
5331 c-scan-skel.c to conform with the 8.3 file name restriction on MSDOS.
5332 * djgpp/djunpack.bat: DJGPP specific file.
5333 * djgpp/fnchange.lst: DJGPP specific file.
5334 * djgpp/README.in: Add new information about how to unpack the bison
5335 source on MSDOS and other systems which have 8.3 file name restrictions
5336 using djunpack.bat and fnchange.lst.
5337
5338 2005-12-12 Paul Eggert <eggert@cs.ucla.edu>
5339
5340 * bootstrap (build_cvs_prefix): Remove; unused.
5341 (CVS_PREFIX): Adjust to yesterday's Savannah reorganization
5342 when getting gnulib.
5343
5344 2005-12-12 "Joel E. Denny" <jdenny@ces.clemson.edu>
5345
5346 * data/glr.c: Reorder typedef declarations for structs to match order
5347 of struct declarations.
5348 Rename yystack everywhere to yystackp except in yyparse where it's not
5349 a pointer.
5350 (yyglrShift): Change parameter YYSTYPE yysval to YYSTYPE* yyvalp for
5351 consistency.
5352 (yyis_table_ninf): Change 0 to YYID (0) to pacify lint.
5353 (yyreportSyntaxError): Add /*ARGSUSED*/ to pacify lint.
5354 (yyparse): Change while (yytrue) to while ( YYID (yytrue)) to pacify
5355 lint.
5356
5357 2005-12-09 Paul Eggert <eggert@cs.ucla.edu>
5358
5359 * tests/sets.at (Accept): Fix typos in regular expression used to
5360 sed out the final state number.
5361
5362 Work around portability problem on Solaris 10: flex-generated
5363 files include <stdio.h> before <config.h>, which messes up
5364 because the latter defines __EXTENSIONS__. Address the problem
5365 by creating two new little files that include <config.h> first,
5366 then include the flex-generated files. Rewrite everyone else
5367 to include <config.h> first, as well.
5368 * lib/timevar.c: Always include "config.h".
5369 * src/Makefile.am (bison_SOURCES): Replace scan-gram.l with
5370 scan-gram-c.c, and scan-skel.l with scan-skel-c.c.
5371 (EXTRA_bison_SOURCES): New macro.
5372 * src/scan-gram-c.c, src/scan-skel-c.c: New files.
5373 * src/system.h: Don't include config.h.
5374 * src/LR0.c: Include <config.h> first.
5375 * src/assoc.c: Likewise.
5376 * src/closure.c: Likewise.
5377 * src/complain.c: Likewise.
5378 * src/conflicts.c: Likewise.
5379 * src/derives.c: Likewise.
5380 * src/files.c: Likewise.
5381 * src/getargs.c: Likewise.
5382 * src/gram.c: Likewise.
5383 * src/lalr.c: Likewise.
5384 * src/location.c: Likewise.
5385 * src/main.c: Likewise.
5386 * src/muscle_tab.c: Likewise.
5387 * src/nullable.c: Likewise.
5388 * src/output.c: Likewise.
5389 * src/parse-gram.y: Likewise.
5390 * src/print.c: Likewise.
5391 * src/print_graph.c: Likewise.
5392 * src/reader.c: Likewise.
5393 * src/reduce.c: Likewise.
5394 * src/relation.c: Likewise.
5395 * src/state.c: Likewise.
5396 * src/symlist.c: Likewise.
5397 * src/symtab.c: Likewise.
5398 * src/tables.c: Likewise.
5399 * src/uniqstr.c: Likewise.
5400 * src/vcg.c: Likewise.
5401
5402 * src/parse-gram.y: Fix minor problems uncovered by lint.
5403 (current_lhs, current_lhs_location): Now static.
5404 (current_assoc): Remove unused variable.
5405
5406 Cleanups so that Bison-generated parsers have less lint.
5407 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate):
5408 Prepend /*ARGSUSED*/, for lint's sake.
5409 * data/glr.c (YYUSE): Properly parenthesize, and use an alternate
5410 definition if 'lint' is defined.
5411 (YYID): New macro (or function, if lint).
5412 All uses of /*CONSTCOND*/0 replaced by YYID(0).
5413 * data/yacc.c: Likewise.
5414 * data/glr.c (yyuserAction, yyuserMerge, yy_reduce_print):
5415 (yyrecoverSyntaxError): Prepend /*ARGSUSED*/.
5416 * data/glr.cc (YYLLOC_DEFAULT): Omit /*CONSTCOND*/ since this code
5417 is C++ only.
5418 * data/lalr1.cc (YYUSE): Just use a cast, since this code is C++ only.
5419 * data/yacc.c (YYSTACK_FREE) [defined YYSTACK_ALLOC]:
5420 Use YYID(0) rather than 0, for lint.
5421 (yystrlen): Rewrite to avoid lint warning about ptrdiff_t overflow.
5422 (yysyntax_error): Rewrite to avoid lint warnings about parenthesization.
5423
5424 2005-12-07 Paul Eggert <eggert@cs.ucla.edu>
5425
5426 * tests/glr-regression.at
5427 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
5428 Close memory leak reported by twlevo.
5429
5430 2005-12-06 "Joel E. Denny" <jdenny@ces.clemson.edu>
5431
5432 * data/glr.c (yyprocessOneStack, yyparse): Synchronize the shift for
5433 all stacks.
5434 (yyparse): Iterate another stack in order to call user destructors.
5435 * tests/glr-regression.at (No users destructors if stack 0 deleted):
5436 New test case.
5437 (Duplicated user destructor for lookahead): This test now is expected
5438 to succeed.
5439
5440 2005-12-01 Paul Eggert <eggert@cs.ucla.edu>
5441
5442 * NEWS: Document the following change.
5443 * data/yacc.c: Say "parser skeleton" rather than "file", since
5444 it's no longer just a file.
5445 * data/glr.c: Grant a special exception for C GLR parsers, that
5446 reads like the already-existing exception for C LALR(1) parsers.
5447 * data/glr.cc: Likewise.
5448 * data/lalr1.cc: Likewise.
5449 * data/location.cc: Likewise.
5450 * data/yacc.c: Reword the "written by" statement to clarify that
5451 it was the parser skeleton, not the entire output file.
5452 * data/glr.c: Written by Paul Hilfinger.
5453 * data/glr.cc: Written by Akim Demaille.
5454 * data/lalr1.cc: Likewise.
5455
5456 2005-11-18 Paul Eggert <eggert@cs.ucla.edu>
5457
5458 * data/yacc.c (yy_reduce_print, YY_REDUCE_PRINT):
5459 Fix typos in previous change that broke 'make check'.
5460 YY_REDUCE_PRINT cannot be a pseudo-varargs macro; that isn't
5461 supported in C.
5462 * tests/calc.at (_AT_CHECK_CALC,_AT_CHECK_CALC_ERROR):
5463 Don't check NUM-STDERR-LINES, since the output format is fluctuating.
5464 We can revert this once things settle down.
5465
5466 * src/conflicts.c (conflicts_print): Don't print file name twice
5467 when %expect fails because there were no conflicts.
5468 * doc/bison.texinfo (Expect Decl): Tighten up wording in previous
5469 change.
5470 * tests/conflicts.at (%expect not enough, %expect too much):
5471 (%expect with reduce conflicts): Adjust to new behavior.
5472
5473 2005-11-18 Akim Demaille <akim@epita.fr>
5474
5475 * src/conflicts.c (conflicts_print): Unsatisfied %expectation are
5476 errors.
5477 * NEWS: Document this.
5478 * doc/bison.texinfo (Expect Decl): Likewise.
5479
5480 2005-11-16 Akim Demaille <akim@epita.fr>
5481
5482 Generalize the display of semantic values and locations in traces.
5483 * data/glr.c (yy_reduce_print): Fix indices (again).
5484 * data/c++.m4 (b4_rhs_value, b4_rhs_location): Don't expect
5485 literal integers.
5486 * data/lalr1.cc (yyreduce_print): Rename as...
5487 (yy_reduce_print): this.
5488 Display values and locations.
5489 * data/yacc.c (yy_reduce_print): Likewise.
5490 (YY_REDUCE_PRINT): Adjust to pass the required arguments.
5491 (yysymprint): Move higher to be visible from yy_reduce_print).
5492 (yyparse): Adjust.
5493 * tests/calc.at: Adjust the expected length of the traces.
5494
5495 2005-11-14 Akim Demaille <akim@epita.fr>
5496
5497 * data/glr.c (yy_reduce_print): The loop was quite wrong: type are
5498 from 1 to N, while values and location start at 0.
5499 (b4_rhs_location, b4_rhs_value): Add parens around $1 and $2.
5500
5501 2005-11-14 Akim Demaille <akim@epita.fr>
5502
5503 * data/glr.c (yy_reduce_print): Fix the $ number.
5504
5505 2005-11-14 Akim Demaille <akim@epita.fr>
5506
5507 "Use" parse parameters.
5508 * data/c.m4 (b4_parse_param_for, b4_parse_param_use): New.
5509 * data/glr.c, data/glr.cc: Use them.
5510 * data/glr.c (YYUSE): Have a C++ definition that supports
5511 non-pointer types.
5512
5513 2005-11-14 Akim Demaille <akim@epita.fr>
5514
5515 * data/glr.c (yyexpandGLRStack): Declare only if defined.
5516
5517 2005-11-14 Akim Demaille <akim@epita.fr>
5518
5519 * data/glr.cc: New.
5520 * data/m4sugar/m4sugar.m4 (m4_prepend): New.
5521
5522 2005-11-12 Akim Demaille <akim@epita.fr>
5523
5524 Let position and location be PODs.
5525 * data/location.cc (position::initialize, location::initialize): New.
5526 (position::position, location::location): Define only if
5527 b4_location_constructors is defined.
5528 * data/lalr1.cc (b4_location_constructors): Define it for backward
5529 compatibility.
5530 * doc/bison.texinfo (Initial Action Decl): Use initialize.
5531
5532 2005-11-12 Akim Demaille <akim@epita.fr>
5533
5534 * data/lalr1.cc: Move the body of the ctor and dtor into the
5535 parser file (instead of the header).
5536 Wrap the implementations in a "namespace yy".
5537
5538 2005-11-12 Akim Demaille <akim@epita.fr>
5539
5540 Have glr.c include its header file when created.
5541 * data/glr.c (b4_shared_declarations): New.
5542 Output them verbatim in the parser if !%defines, otherwise
5543 output then in the header file, and include it instead.
5544
5545 2005-11-11 Akim Demaille <akim@epita.fr>
5546
5547 * data/glr.c: Comment changes.
5548
5549 2005-11-11 Akim Demaille <akim@epita.fr>
5550
5551 When yydebug, report semantic and location values for reductions.
5552 * data/glr.c (yy_reduce_print): Report the semantic values and the
5553 locations.
5554 (YY_REDUCE_PRINT): Adjust.
5555 (yyglrReduce): Use them.
5556 (b4_rhs_value, b4_rhs_location): Remove m4_eval invocations.
5557 * data/c.m4 (b4_yysymprint_generate): Specify the const arguments.
5558 * tests/calc.at (_AT_CHECK_CALC_ERROR): Remove the reduction
5559 traces.
5560
5561 2005-11-10 Akim Demaille <akim@epita.fr>
5562
5563 * data/glr.c (yynewGLRStackItem, YY_RESERVE_GLRSTACK): New.
5564 (yyaddDeferredAction, yyglrShift, yyglrShiftDefer): Use them.
5565 (yyexpandGLRStack, YYRELOC): Define only when YYSTACKEXPANDABLE.
5566
5567 2005-11-09 Albert Chin-A-Young <china@thewrittenword.com>
5568
5569 * m4/cxx.m4, examples/Makefile.am: Don't build
5570 examples/calc++ if no C++ compiler is available. (trivial change)
5571
5572 2005-11-09 Akim Demaille <akim@epita.fr>
5573
5574 * src/scan-skel.l: Use a couple of asserts.
5575
5576 2005-11-03 Akim Demaille <akim@epita.fr>
5577
5578 In some (weird) cases, the final state number is incorrect.
5579 Reported by Alexandre Duret-Lutz.
5580 * src/LR0.c (state_list_append): Remove the computation of
5581 final_state.
5582 (save_reductions): Do it here.
5583 (get_state): Alpha conversion.
5584 (generate_states): Use a for loop.
5585 * src/gram.h (item_number_is_rule_number)
5586 (item_number_is_symbol_number): New.
5587 * src/state.c: Use assert.
5588 * src/system.h: Include assert.h.
5589 * tests/sets.at (Accept): New.
5590
5591 2005-10-30 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
5592
5593 * data/glr.c (yyfill): Adjust comment.
5594 (yyresolveAction): Initialize default location properly
5595 for empty right-hand sides.
5596 (yydoAction): Ditto.
5597 Add comment explaining apparently dead code.
5598 * tests/glr-regression.at
5599 (Incorrectly initialized location for empty right-hand side in GLR):
5600 New test.
5601
5602 2005-10-30 Paul Eggert <eggert@cs.ucla.edu>
5603
5604 * bootstrap (cleanup_gnulib): New function. Use it to clean up
5605 gnulib when interrupted. This fixes some race conditions and
5606 works around some portability problems (one noted by Paul
5607 Hilfinger).
5608
5609 2005-10-22 Akim <akim@epita.fr>
5610
5611 * Makefile.cfg: Adjust to config -> build-aux.
5612 Reported by twledo.
5613
5614 2005-10-21 Akim Demaille <akim@epita.fr>
5615
5616 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Pass
5617 the %parse-params.
5618 * data/glr.c (YY_SYMBOL_PRINT, yydestroyGLRState): Adjust.
5619 * data/yacc.c (b4_Pure_if): Rename as...
5620 (b4_yacc_pure_if): this.
5621 (YY_SYMBOL_PRINT, yyparse): Adjust.
5622 * doc/bison.texinfo: Formatting changes.
5623
5624 2005-10-21 Akim Demaille <akim@epita.fr>
5625
5626 Finish the transition config -> build-aux.
5627 * configure.ac, Makefile.am: Use build-aux.
5628 * config/prev-version, config/announce-gen, config/Makefile.am:
5629 Move to...
5630 * build-aux/prev-version, build-aux/announce-gen,
5631 * build-aux/Makefile.am: here.
5632
5633 2005-10-14 Akim Demaille <akim@epita.fr>
5634
5635 * examples/calc++/test: Use set -x only when VERBOSE.
5636
5637 2005-10-13 Paul Eggert <eggert@cs.ucla.edu>
5638
5639 * NEWS: Bison now warns if it finds a stray `$' or `@' in an action.
5640 * src/scan-gram.l (<SC_BRACED_CODE>[$@]): Implement this.
5641
5642 2005-10-13 Akim Demaille <akim@epita.fr>
5643
5644 * src/scan-skel.l: Output the base name parts of the parser and
5645 header file names.
5646 * tests/output.at (AT_CHECK_OUTPUT): Support subdirectories, and
5647 additional checks.
5648 Use this to exercise C++ outputs in subdirs.
5649 Reported by Oleg Smolsky.
5650
5651 2005-10-12 Paul Eggert <eggert@cs.ucla.edu>
5652
5653 * data/c.m4 (b4_c_function_def): Look at __C99_FUNC__, not at
5654 __STDC_VERSION__, as IBM cc 7.0 doesn't define the latter either.
5655 Problem reported by John P. Hartmann.
5656 * data/yacc.c (YYMODERN_C): Likewise. Don't define if the user has
5657 already defined it.
5658
5659 2005-10-12 Akim Demaille <akim@epita.fr>
5660
5661 * src/parse-gram.y (version_check): Exit 63 to please missing
5662 (stands for "version mismatch).
5663 * tests/input.at, doc/bison.texinfo: Adjust.
5664
5665 2005-10-10 Paul Eggert <eggert@cs.ucla.edu>
5666
5667 Work around portability problems with Visual Age C compiler
5668 (xlc and xlC_r) reported by John P. Hartmann.
5669 * data/location.cc (initial_column, initial_line): Remove.
5670 All uses replaced by 0 and 1.
5671 * src/scan-gram.l (gram_wrap): Redefine to avoid bug in flex 2.5.31
5672 that xlc complains about.
5673 * src/scan-skel.l (skel_wrap): Likewise.
5674 * data/c.m4 (b4_c_function_def): Look at __STDC_VERSION__ as well
5675 as __STDC__.
5676 * data/yacc.c (YYMODERN_C): New macro, which also looks at
5677 __STDC_VERSION__. Use it everywhere instead of looking at
5678 __STDC__ and __cplusplus.
5679
5680 2005-10-10 Akim Demaille <akim@epita.fr>
5681
5682 * examples/calc++/test: Be quiet unless VERBOSE.
5683
5684 2005-10-05 Paul Eggert <eggert@cs.ucla.edu>
5685
5686 * data/c.m4 (yydestruct, yysymprint):
5687 Use YYUSE instead of casting to void.
5688 * data/glr.c (YYUSE): New macro.
5689 (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
5690 Use it instead of rolling our own.
5691 (YYLLOC_DEFAULT, YYCHK, YYDPRINTF, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
5692 (YYCHK1):
5693 Use /*CONSTCOND*/ to suppress lint warnings.
5694 * data/lalr1.cc (YYLLOC_DEFAULT, YY_SYMBOL_PRINT, YY_REDUCE_PRINT):
5695 (YY_STACK_PRINT): Use 'false' not '0'.
5696 (YYUSE): New macro.
5697 (yysymprint_, yydestruct_): Use it instead of rolling our own.
5698 * data/yacc.c (YYUSE): New macro.
5699 (YYCOPY, YYSTACK_RELOCATE, YYBACKUP, YYLLOC_DEFAULT):
5700 (YYDPRINTF, YY_SYMBOL_PRINT, YY_STACK_PRINT, YY_REDUCE_PRINT):
5701 (yyerrorlab): Use /*CONSTCOND*/ to suppress lint warnings.
5702
5703
5704 * data/m4sugar/m4sugar.m4 (_m4_map): New macro.
5705 (m4_map, m4_map_sep): Use it. Handle the empty list correctly.
5706
5707 2005-10-04 Paul Eggert <eggert@cs.ucla.edu>
5708
5709 Undo the parts of the unlocked-I/O change that substituted
5710 putc or puts for printf. This might hurt performance a bit,
5711 but some people prefer the printf style.
5712 * data/c.m4 (yysymprint): Prefer printf to puts and putc.
5713 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): Remove.
5714 All uses replaced by YYFPRINTF and YYDPRINTF.
5715 * data/yacc.c: Likewise.
5716 * lib/bitset.c (bitset_print): Likewise.
5717 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer printf to
5718 putc and puts.
5719 * lib/lbitset.c (debug_lbitset): Likewise.
5720 * src/closure.c (print_firsts, print_fderives): Likewise.
5721 * src/gram.c (grammar_dump): Likewise.
5722 * src/lalr.c (look_ahead_tokens_print): Likewise.
5723 * src/output.c (escaped_output): Likewise.
5724 (user_actions_output): Break apart two printfs.
5725 * src/parse-gram.y (%printer): Prefer printf to putc and puts.
5726 * src/reduce.c (reduce_print): Likewise.
5727 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
5728 * src/system.h: Include unlocked-io.h rathe than stdio.h.
5729
5730 * data/glr.c (yyuserMerge, yyreportAmbiguity, yyreportSyntaxError):
5731 Use assignments rather than casts-to-void to suppress
5732 unused-variable warnings. This pacifies 'lint'.
5733 * data/lalr1.cc (yysymprint_, yydestruct_): Use a call to suppress
5734 unused-variable warnings.
5735
5736 2005-10-03 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5737
5738 * Makefile.am: DJGPP specific files added to EXTRA_DIST.
5739
5740 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>
5741
5742 Use unlocked I/O for a minor performance improvement on hosts like
5743 GNU/Linux and Solaris that support unlocked I/O. The basic idea
5744 is to use the gnlib unlocked-io module, and to prefer putc and
5745 puts to printf when either will work (since the latter doesn't
5746 come in an unlocked flavor).
5747 * bootstrap (gnulib_modules): Add unlocked-io.
5748 * data/c.m4 (yysymprint): Prefer puts and putc to printf.
5749 * data/glr.c (YYFPUTC, YYFPUTS, YYDPUTS): New macros.
5750 Prefer them to YYFPRINTF and YYDPRINTF if either will do,
5751 and similarly for puts and putc and printf.
5752 * data/yacc.c: Likewise.
5753 * lib/bitset.c (bitset_print): Likewise.
5754 * lib/bitset.h [USE_UNLOCKED_IO]: Include unlocked-io.h.
5755 * lib/bitsetv.c (bitsetv_dump, debug-bitsetv): Prefer putc and puts
5756 to printf.
5757 * lib/lbitset.c (debug_lbitset): Likewise.
5758 * src/closure.c (print_firsts, print_fderives): Likewise.
5759 * src/gram.c (grammar_dump): Likewise.
5760 * src/lalr.c (look_ahead_tokens_print): Likewise.
5761 * src/output.c (escaped_output): Likewise.
5762 (user_actions_output): Coalesce two printfs.
5763 * src/parse-gram.y (%printer): Prefer putc and puts to printf.
5764 * src/reduce.c (reduce_print): Likewise.
5765 * src/state.c (state_rule_look_ahead_tokens_print): Likewise.
5766 * src/system.h: Include unlocked-io.h rather than stdio.h.
5767
5768 * data/lalr1.cc: Don't put an unmatched ' in a dnl comment, as
5769 this confuses xgettext.
5770
5771 2005-10-02 Akim Demaille <akim@epita.fr>
5772
5773 * bootstrap (gnulib_modules): Add strverscmp.
5774 * lib/.cvsignore: Add strverscmp.c, strverscmp.h.
5775 * m4/.cvsignore: Add strverscmp.m4.
5776 * src/parse-gram.y (%require): New token, new rule.
5777 (version_check): New.
5778 * src/scan-gram.l (%require): Adjust.
5779 * tests/input.at (AT_REQUIRE): New.
5780 Use it.
5781 * doc/bison.texinfo (Require Decl): New.
5782 (Calc++ Parser): Use %require.
5783
5784 2005-10-02 Akim Demaille <akim@epita.fr>
5785
5786 * data/location.cc: New.
5787
5788 2005-10-02 Paul Eggert <eggert@cs.ucla.edu>,
5789 Akim Demaille <akim@epita.fr>
5790
5791 Make sure -odir/foo.cc creates dir/location.hh etc.
5792 * src/files.h (spec_outfile, parser_file_name, spec_name_prefix)
5793 (spec_file_prefix, spec_verbose_file, spec_graph_file)
5794 (spec_defines_file): Now const.
5795 (dir_prefix): New.
5796 (short_base_name): Remove.
5797 * src/files.c: Adjust.
5798 (dirname.h): Include.
5799 (base_name): Don't prototype it.
5800 (finput): Remove, duplicates gram_in.
5801 (full_base_name, short_base_name): Replace by...
5802 (all_but_ext, all_but_tab_ext): these.
5803 (compute_base_names): Rename as...
5804 (compute_file_name_parts): this.
5805 Update to compute the new variables, including dir_prefix.
5806 Adjust dependencies.
5807 * src/output.c (prepare): Output them.
5808 * src/reader.c: Adjust to use gram_in, not finput.
5809 * src/scan-skel.l (@dir_prefix@): New.
5810
5811 2005-10-02 Juan Manuel Guerrero <juan.guerrero@gmx.de>
5812
5813 * lib/subpipe.c: New function end_of_output_subpipe() added
5814 to allow support for non-posix systems. This is a no-op function
5815 for posix systems.
5816
5817 * lib/subpipe.h: New function end_of_output_subpipe() added
5818 to allow support for non-posix systems. This is a no-op function
5819 for posix systems.
5820
5821 * src/output.c (output_skeleton): Use end_of_output_subpipe() to
5822 handle the lack of pipe/fork functionality on non-posix systems.
5823
5824 * djgpp/Makefile.maint: DJGPP specific file.
5825
5826 * djgpp/README.in: DJGPP specific file.
5827
5828 * djgpp/config.bat: DJGPP specific configuration file.
5829
5830 * djgpp/config.sed: DJGPP specific configuration file.
5831
5832 * djgpp/config.site: DJGPP specific configuration file.
5833
5834 * djgpp/config_h.sed: DJGPP specific configuration file.
5835
5836 * djgpp/subpipe.c: DJGPP specific replacement file for lib/subpipe.c.
5837
5838 * djgpp/subpipe.h: DJGPP specific replacement file for lib/subpipe.h.
5839
5840 2005-10-02 Akim Demaille <akim@epita.fr>
5841
5842 * data/location.cc: New, extract from...
5843 * data/lalr1.cc: here.
5844 (location.hh): Include it after the user prologue, in case the
5845 filename type is defined by the user.
5846 Forward declation location and position before the pre-prologue.
5847 (yyresult_): Rename as...
5848 (yyresult): this, it's a local variable, not an attribute.
5849 * data/Makefile.am (dist_pkgdata_DATA): Adjust.
5850
5851 2005-10-01 Akim Demaille <akim@epita.fr>
5852
5853 * examples/extexi: Restore the #line generation.
5854
5855 2005-09-30 Akim Demaille <akim@epita.fr>,
5856 Alexandre Duret-Lutz <adl@gnu.org>
5857
5858 Move the token type and YYSTYPE in the parser class.
5859 * data/lalr1.cc (stack.hh, location.hh): Include earlier.
5860 (parser::token): New, from the moved free definition of tokens.
5861 (parser::semantic_value): Now a full definition instead of an
5862 indirection to YYSTYPE.
5863 (b4_post_prologue): No longer included in the header file, but
5864 in the implementation file.
5865 * doc/bison.texi (C+ Language Interface): Update.
5866 * src/parse-gram.y: Support unary %define.
5867 * tests/actions.at: Define global_tokens_and_yystype for backward
5868 compatibility until we update the tests.
5869 * tests/calc.at: Idem.
5870 (first_line, first_column, last_line, last_column): Define for lalr1.cc
5871 to simplify the code.
5872
5873 2005-09-29 Paul Eggert <eggert@cs.ucla.edu>
5874
5875 Port to SunOS 4.1.4, which lacks strtoul and strerror.
5876 Ah, the good old days! Problem reported by Peter Klein.
5877 * bootstrap (gnulib_modules): Add strerror, strtoul.
5878 * lib/.cvsignore: Add strerror.c, strtol.c, strtoul.c
5879 * m4/.cvsignore: Add strerror.m4, strtol.m4, strtoul.m4.
5880
5881 2005-09-29 Akim Demaille <akim@epita.fr>
5882
5883 * data/c.m4 (b4_error_verbose_if): New.
5884 * data/lalr1.cc: Use it.
5885 (YYERROR_VERBOSE_IF): Remove.
5886 (yyn_, yylen_, yystate_, yynerrs_, yyerrstatus_): Remove as
5887 parser members, replaced by...
5888 (yyn, yylen, yystate, yynerss, yyerrstatus): these parser::parse
5889 local variables.
5890 (yysyntax_error_): Takes the state number as argument.
5891 (yyreduce_print_): Use the argument yyrule, not the former
5892 attribute yyn_.
5893
5894 2005-09-26 Paul Eggert <eggert@cs.ucla.edu>
5895
5896 * bootstrap (gnulib_modules): Add verify.
5897 * lib/.cvsignore: Add verify.h.
5898 * src/getargs.c: Use ARGMATCH_VERIFY rather than verify.
5899 * src/system.h (verify): Remove.
5900 Include verify.h instead.
5901 * src/tables.c (tables_generate): Use new API for 'verify'.
5902
5903 2005-09-21 Paul Eggert <eggert@cs.ucla.edu>
5904
5905 * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Do not use
5906 local variables whose names begin with 'yy'.
5907 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
5908 Trivial changes from Joel E. Denny.
5909
5910 * bootstrap (gnulib_modules): Remove alloca. Bison doesn't need
5911 it itself.
5912 * src/main.c (main) [C_ALLOCA]: Don't flush alloca'ed memory; we
5913 don't use alloca any more.
5914
5915 * data/yacc.c [YYSTACK_USE_ALLOCA && !defined __GNUC__ && ! defined
5916 __BUILTIN_VA_ARG_INCR && ! defined _AIX && ! defined _MSC_VER &&
5917 defined _ALLOCA_H]: Don't include <stdlib.h>; not needed in this case.
5918 * tests/torture.at (Exploding the Stack Size with Alloca): Adjust
5919 to match yacc.c, to test more hosts.
5920
5921 2005-09-20 Paul Eggert <eggert@cs.ucla.edu>
5922
5923 * data/yacc.c (YYSIZE_T): Reindent to make it clearer. This
5924 doesn't affect behavior.
5925 (YYSTACK_ALLOC) [YYSTACK_USE_ALLOCA]: Improve support for
5926 Solaris, AIX, MSC.
5927 (_STDLIB_H): Renamed from YYINCLUDED_STDLIB_H. All uses changed.
5928 This works a bit better with glibc, if user code has already included
5929 stdlib.h.
5930 * doc/bison.texinfo (Bison Parser): Document that users can't
5931 arbitrarily use malloc and free for other purposes. Document
5932 that <alloca.h> and <malloc.h> might be included.
5933 (Table of Symbols): Under YYSTACK_USE_ALLOCA, Don't claim that the
5934 user must declare alloca.
5935
5936 * HACKING (release): Forwarn the Translation Project about
5937 stable releses.
5938
5939 2005-09-20 Akim Demaille <akim@epita.fr>
5940
5941 * data/glr.c: Use b4_token_enums, not b4_token_enums_defines.
5942
5943 2005-09-19 Paul Eggert <eggert@cs.ucla.edu>
5944
5945 * data/yacc.c (YYSIZE_MAXIMUM): New macro.
5946 (YYSTACK_ALLOC_MAXIMUM): Use it.
5947 (yysyntax_error): New function.
5948 (yyparse) [YYERROR_VERBOSE]: Don't leak memory indefinitely if
5949 multiple syntax errors are reported, and alloca is being used.
5950 Instead, reallocate buffers twice as big each time, so that
5951 we waste at most half the allocated memory. Start with a small
5952 (128-byte) buffer that will suffice in most cases anyway.
5953 Use yysyntax_error to do most of the work.
5954
5955 * doc/bison.texinfo (Error Reporting, Table of Symbols):
5956 yynerrs is the number of errors reported, not the number of
5957 errors encountered.
5958
5959 * tests/glr-regression.at (Duplicated user destructor for lookahead):
5960 Mark it as expected to fail.
5961 Cast result of malloc; problem reported by twlevo@xs4all.nl.
5962 * tests/actions.at, tests/calc.at, tests/glr-regression.at:
5963 Don't start user-code symbols with "yy", to avoid name space problems.
5964
5965 2005-09-19 Akim Demaille <akim@epita.fr>
5966
5967 Remove the traits, failed experiment.
5968 It never proved useful, and anyway because of the current
5969 definition, it was not possible to have several specialization of
5970 this traits, making it useless.
5971 * data/lalr1.cc (yy:traits): Remove.
5972 Inline its definitions in the parser class.
5973
5974 2005-09-19 Akim Demaille <akim@epita.fr>
5975
5976 * tests/atlocal.in (LIBS): Pass INTLLIBS to address failures on at
5977 least Mac OSX with a /usr/local install of gettext.
5978
5979 2005-09-19 Akim Demaille <akim@epita.fr>
5980
5981 * data/lalr1.cc (yyparse): Rename yylooka and yyilooka as yychar
5982 and yytoken for similarity with the other skeletons.
5983
5984 2005-09-19 Akim Demaille <akim@epita.fr>
5985
5986 * NEWS, configure.ac: update version number to 2.1a.
5987
5988 2005-09-16 Paul Eggert <eggert@cs.ucla.edu>
5989
5990 * NEWS: Version 2.1.
5991
5992 * NEWS: Remove notice of yytname change, since it was never in an
5993 official release.
5994 * data/glr.c (yydestroyGLRState): Rename local var to avoid shadowing
5995 diagnostic.
5996 * src/output.c (prepare): Likewise.
5997 * data/lalr1.cc (YYERROR_VERBOSE_IF): New macro.
5998 (yysyntax_error_): Use it to avoid GCC warning when YYERROR_VERBOSE
5999 is not defined. This is an awful hack, but it's enough for now.
6000 All callers changed.
6001 * tests/glr-regression-at (make_value): Args are const pointers now,
6002 to avoid GCC warning.
6003 (Duplicated user destructor for lookahead): New test. Currently
6004 skipped. It fails on my host but I'm not sure it'll always fail.
6005
6006 2005-09-16 Akim Demaille <akim@epita.fr>
6007
6008 * src/symtab.h (struct symbol): Declare the printer and destructor
6009 as const, to avoid accidental calls to free.
6010 (symbol_destructor_set, symbol_printer_set): Adjust.
6011 * src/symtab.c: Adjust.
6012
6013 2005-09-16 Akim Demaille <akim@epita.fr>
6014
6015 * data/c.m4 (b4_token_enums): New.
6016 (b4_token_defines): Rename as...
6017 (b4_token_enums_defines): this.
6018 (b4_token_defines): New, output only the #defines.
6019 * data/yacc.c, data/glr.c: Adjust.
6020 * data/lalr1.cc: Use b4_token_enums instead of b4_token_enums_defines.
6021 * data/c.m4 (b4_yydestruct_generate, b4_yysymprint_generate): Define
6022 as default values.
6023
6024 2005-09-16 Akim Demaille <akim@epita.fr>
6025
6026 * data/lalr1.cc (yylex_): Remove, inline its code.
6027 (yyreport_syntax_error_): Remove, replaced by...
6028 (yysyntax_error_): this which returns a string and leaves to the
6029 caller the call to the users' error function.
6030 (yylooka_, yyilooka_, yylval, yylloc, yyerror_range_, yyval, yyloc):
6031 Move from members of the parser object...
6032 (yylooka, yyilooka, yylval, yylloc, yyerror_range, yyval, yyloc):
6033 to local variables of the parse function.
6034
6035 2005-09-16 Akim Demaille <akim@epita.fr>
6036
6037 * doc/bison.texinfo (Calc++ Parser): Don't promote defining YYEOF
6038 since it's in Bison's name space.
6039
6040 2005-09-15 Paul Eggert <eggert@cs.ucla.edu>
6041
6042 * data/glr.c (yyresolveValue): Add default case to pacify
6043 gcc -Wswitch-default. Problem reported by twlevo@xs4all.nl.
6044
6045 * NEWS: Document when yyparse started to return 2.
6046 * doc/bison.texinfo (Parser Function): Document when yyparse
6047 returns 2.
6048
6049 * data/lalr1.cc: Revert part of previous change, as it's incompatible.
6050 (b4_filename_type): Renamed back from b4_file_name_type. All uses
6051 changed.
6052 (class position): file_name -> filename (reverting). All uses changed.
6053
6054 2005-09-14 Paul Eggert <eggert@cs.ucla.edu>
6055
6056 * examples/calc++/Makefile.am ($(calc_sources_generated)): Don't
6057 do anything if $@ exists. This reverts part of the 2005-07-07
6058 patch.
6059
6060 2005-09-11 Paul Eggert <eggert@cs.ucla.edu>
6061
6062 * Makefile.am (EXTRA_DIST): Do not distribute REFERENCES; it
6063 contains obsolete information and isn't worth distributing as a
6064 separate file anyway.
6065 * data/glr.c [defined YYSETJMP]: Don't include <setjmp.h>.
6066 (YYJMP_BUF, YYSETJMP, YYLONGJMP) [!defined YYSETJMP]: New macros.
6067 All uses of jmp_buf, setjmp, longjmp changed to use these instead.
6068 (yyparse): Abort if user code uses longjmp to throw an unexpected
6069 value.
6070
6071 2005-09-09 Paul Eggert <eggert@cs.ucla.edu>
6072
6073 * data/c.m4 (b4_identification): Define YYBISON_VERSION.
6074 Suggested by twlevo@xs4all.nl.
6075
6076 * data/glr.c (YYCHK1): Do not assume YYE is in range.
6077 This avoids a diagnostic from gcc -Wswitch-enum.
6078 Problem reported by twlevo@xs4all.nl.
6079
6080 * doc/bison.texinfo: Don't use "filename", as per GNU coding
6081 standards. Use "file name" or "file" or "name", depending on
6082 the context.
6083 (Invocation): The output of "bison hack/foo.y" goes to foo.tab.c,
6084 not to hack/foo.tab.c.
6085 (Calc++ Top Level): 2nd arg of main is not const.
6086 * data/glr.c: b4_filename -> b4_file_name.
6087 * data/lalr1.cc: Likewise. Also, b4_filename_type -> b4_file_name_type.
6088 All uses changed.
6089 (class position): filename -> file_name. All uses changed.
6090 * data/yacc.c: b4_filename -> b4_file_name.
6091 * lib/bitset.h: filename -> file_name in local vars.
6092 * lib/bitset_stats.c: Likewise.
6093 * src/files.c: Likewise.
6094 * src/scan-skel.l ("@output ".*\n): Likewise.
6095 * src/files.c (file_name_split): Renamed from filename_split.
6096 * src/muscle_tab.c (muscle_init): Output b4_file_name, not b4_filename.
6097
6098 2005-09-08 Paul Eggert <eggert@cs.ucla.edu>
6099
6100 * lib/.cvsignore: Add pipe-safer.c, stdio--.h, unistd--.h,
6101 to accommodate latest gnulib.
6102
6103 * tests/glr-regression.at (Duplicate representation of merged trees):
6104 Add casts to pacify g++. Problem reported by twlevo@xs4all.nl.
6105
6106 * bootstrap: Add comment as to why the AM_LANGINFO_CODESET hack is
6107 needed.
6108
6109 2005-08-26 Paul Eggert <eggert@cs.ucla.edu>
6110
6111 * data/glr.c (yydestroyGLRState): Renamed from yydestroyStackItem.
6112 All uses changed. Invoke user destructor after an error during a
6113 split parse (trivial change from Joel E. Denny).
6114
6115 * tests/glr-regression.at
6116 (User destructor after an error during a split parse): New test case.
6117 Problem reported by Joel E. Denny in:
6118 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00029.html
6119
6120 2005-08-25 Paul Eggert <eggert@cs.ucla.edu>
6121
6122 * README-cvs: Give URLs for recommended tools.
6123 Mention Gzip version problem, and bootstrapping issues.
6124 Remove troubleshooting section, as it's somewhat obsolete.
6125
6126 * bootstrap (no_cache): New var, to accommodate different wget
6127 variants. Use it instead of '-C off'. Problem reported by
6128 twlevo@xs4all.nl.
6129
6130 * data/glr.c (yydestroyStackItem): New function.
6131 (yyrecoverSyntaxError, yyreturn): Use it to improve quality of
6132 debugging information. Problem reported by Joel E. Denny.
6133
6134 2005-08-25 Akim Demaille <akim@epita.fr>
6135
6136 * tests/local.at (AT_COMPILE_CXX): Pass $LINKS too.
6137
6138 2005-08-24 Paul Eggert <eggert@cs.ucla.edu>
6139
6140 * data/glr.c (yyrecoverSyntaxError, yyreturn):
6141 Don't invoke destructor on unresolved entries.
6142 * tests/glr-regression.at
6143 (User destructor for unresolved GLR semantic value): New test case.
6144 Problem reported by Joel E. Denny in:
6145 http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00016.html
6146
6147 2005-08-21 Paul Eggert <eggert@cs.ucla.edu>
6148
6149 * lib/.cvsignore: Remove realloc.c, strncasecmp.c, xstrdup.c.
6150 Add strnlen.c.
6151 * m4/.cvsignore: Remove codeset.m4, gettext.m4, lib-ld.m4,
6152 lib-prefix.m4, po.m4.
6153
6154 * data/glr.c (yyreturn): Use "Cleanup:" rather than "Error:"
6155 in yydestruct diagnostic, since it might not be an error.
6156 Problem reported by Joel Denny near end of
6157 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
6158 * data/lalr1.cc (yyerturn): Likewise.
6159 * data/yacc.c (yyreturn): Likewise.
6160 * tests/calc.at (_AT_CHECK_CALC_ERROR): Adjust to the above change.
6161
6162 * src/files.c: Remove obsolete FIXME comment.
6163
6164 * data/glr.c (YY_SYMBOL_PRINT): Append a newline, for consistency
6165 with the other templates, and to fix bogus run-on messages such
6166 as the one reported at the end of
6167 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00040.html>.
6168 All callers changed to avoid the newline.
6169 (yyprocessOneStack): Output two lines rather than one, to accommodate
6170 the above change. This changes the debug output format slightly.
6171
6172 * data/glr.c (yyresolveValue): Fix redundant parse tree problem
6173 reported by Joel E. Denny in
6174 <http://lists.gnu.org/archive/html/bison-patches/2005-08/msg00004.html>
6175 (trivial change).
6176 * tests/glr-regression.at (Duplicate representation of merged trees):
6177 New test, from Joel E. Denny in:
6178 <http://lists.gnu.org/archive/html/help-bison/2005-07/msg00013.html>.
6179 * THANKS: Add Joel E. Denny.
6180
6181 * configure.ac (AC_INIT): Bump to 2.0c.
6182
6183 2005-07-24 Paul Eggert <eggert@cs.ucla.edu>
6184
6185 * NEWS: Version 2.0b.
6186
6187 * Makefile.am (SUBDIRS): Put examples before tests, so that
6188 "make check" doesn't finish with "All 1 tests passed".
6189
6190 * tests/regression.at (Token definitions): Don't rely on
6191 AT_PARSER_CHECK for data that contains backslashes. It currently
6192 uses 'echo', and 'echo' isn't portable if its argument contains
6193 backslashes. Problem found on OpenBSD 3.4. Also, do not assume
6194 that the byte '\0xff' is not printable in the C locale; it is,
6195 under OpenBSD 3.4 (!). Luckily, '\0x80' through '\0x9e' are
6196 not printable, so use '\0x81' to test.
6197
6198 * data/glr.c (YYOPTIONAL_LOC): Define even if it's not a recent
6199 version of GCC, since the macro is used with non-GCC compilers.
6200
6201 Fix core dump reported by Pablo De Napoli in
6202 <http://lists.gnu.org/archive/html/bug-bison/2005-07/msg00053.html>.
6203 * tests/regression.at (Invalid inputs with {}): New test.
6204 * src/parse-gram.y (token_name): Translate type before using
6205 it as an index.
6206
6207 * data/glr.c (ATTRIBUTE_UNUSED): Remove, since it infringes on
6208 the user's name space. All uses changed to __attribute__
6209 ((__unused__)).
6210 (yyFail, yyMemoryExhausted, yyreportAmbiguity):
6211 Add __attribute__ ((__noreturn__)).
6212
6213 * etc/clcommit: Remove. We weren't using it, and it failed
6214 "make maintainer-distcheck".
6215 * Makefile.maint: Merge from coreutils.
6216 (CVS_LIST, CVS_LIST_EXCEPT): New macros.
6217 (syntax-check-rules): Change list of rules as described below.
6218 (sc_cast_of_alloca_return_value, sc_dd_max_sym_length):
6219 (sc_file_system, sc_obsolete_symbols, sc_prohibit_atoi_atof):
6220 (sc_prohibit_jm_in_m4, sc_root_tests, sc_tight_scope):
6221 (sc_trailing_space): New rules.
6222 (sc_xalloc_h_in_src): Remove.
6223 (sc_cast_of_argument_to_free, sc_cast_of_x_alloc_return_value):
6224 (sc_space_tab, sc_error_exit_success, sc_changelog):
6225 (sc_system_h_headers, sc_sun_os_names, sc_unmarked_diagnostics):
6226 (makefile-check, po-check, author_mark_check):
6227 (makefile_path_separator_check, copyright-check):
6228 Use grep -n, to make it easier to find violations.
6229 Use CVS_LIST and CVS_LIST_EXCEPT.
6230 (header_regexp, h_re): Remove.
6231 (dd_c): New macro.
6232 (sc_dd_max_sym_length, .re-list, news-date-check): New rules.
6233 (my-distcheck): Use more-modern GCC flags.
6234 (signatures, %.asc): Remove.
6235 (rel-files, announcement): Remove signatures.
6236 Restore old updating code, even though we don't use it, so
6237 that we're the same as coreutils.
6238 (alpha, beta, major): Depend on news-date-check.
6239 Make the upload commands.
6240
6241 * data/c.m4, data/lalr1.cc, data/yacc.c: Normalize white space.
6242 * lib/abitset.h, lib/bbitset.h, lib/bitset.h: Likewise.
6243 * lib/bitset_stats.c, lib/ebitset.h, lib/lbitset.c: Likewise.
6244 * lib/libitset.h, lib/timevar.c, lib/vbitset.h: Likewise.
6245 * src/Makefile.am, src/gram.c, src/muscle_tab.h: Likewise.
6246 * src/parse-gram.y, src/system.h, src/tables.c, src/vcg.c: Likewise.
6247 * src/vcg_defaults.h, tests/cxx-type.at, tests/existing.at: Likewise.
6248 * tests/sets.at: Likewise.
6249
6250 * data/m4sugar/m4sugar.m4: Sync from Autoconf, except that
6251 we comment out the Autoconf version number.
6252 * doc/bison.texinfo (Calc++ Scanner): Don't use atoi, as
6253 it's error-prone and "make maintainer-distcheck" rejects it.
6254
6255 * lib/subpipe.c: Include <fcntl.h> without checking for HAVE_FCNTL_H.
6256 Indent calls to "error" to pacify "make maintainer-distcheck",
6257 when the calls are not intended to be translated.
6258 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't check for fcntl.h.
6259
6260 * src/Makefile.am (DEFS): Use +=, to pacify
6261 "make maintainer-distcheck".
6262 (bison_SOURCES): Add scan-skel.h.
6263 (sc_tight_scope): New rule, from coreutils.
6264
6265 * src/files.c (src_extension, header_extension):
6266 Now static, not extern.
6267 * src/getargs.c (short_options): Likewise.
6268 * src/muscle_tab.c (muscle_table): Likewise.
6269 * src/parse-gram.y (current_class, current_type, current_prec):
6270 Likewise.
6271 * src/reader.c (grammar_end, previous_rule_end): Likewise.
6272 * src/getargs.h: Redo comments to pacify "make maintainer-distcheck".
6273 * src/main.c (main): Cast bindtextdomain and textdomain calls to
6274 void, to avoid warning when NLS is disabled.
6275 * src/output.c: Include scan-skel.h.
6276 (scan_skel): Remove decl, since scan-skel.h does this.
6277 (output_skeleton):
6278 Indent calls to "error" to pacify "make maintainer-distcheck".
6279 * src/print_graph.c: Don't include <obstack.h>, as system.h does this.
6280 * src/reader.h (gram_end, gram_lineno): New decls to pacify
6281 "make maintainer-distcheck".
6282 * src/scan-skel.l (skel_lex, skel_get_lineno, skel_get_in):
6283 (skel_get_out, skel_get_leng, skel_get_text, skel_set_lineno):
6284 (skel_set_in, skel_set_out, skel_get_debug, skel_set_debug):
6285 (skel_lex_destroy, scan_skel): Move these decls to...
6286 * src/scan-skel.h: New file.
6287 * src/uniqstr.c (uniqstr_assert):
6288 Indent calls to "error" to pacify "make maintainer-distcheck".
6289
6290 * tests/Makefile.am ($(srcdir)/package.m4): Use $(VAR),
6291 not @VAR@.
6292
6293 * tests/torture.at: Revamp to avoid misuse of atoi that
6294 "make maintainer-distcheck" complained about.
6295
6296 * examples/extexi (message): Don't print a message more than once,
6297 and omit line-number decoration that makes Emacs compile think
6298 that informative messages are worth worrying about.
6299
6300 2005-07-22 Paul Eggert <eggert@cs.ucla.edu>
6301
6302 * configure.ac: Update version number.
6303
6304 * Makefile.am (SUBDIRS): Add examples; somehow this got removed
6305 accidentally.
6306 * examples/calc++/calc++-parser.yy: Remove from CVS, as it's
6307 autogenerated by the maintainer.
6308 * examples/calc++/.cvsignore: Add *.yy.
6309
6310 * lib/bitset.c (bitset_alloc): Don't cast xcalloc result.
6311 * lib/bitset_stats.c (bitset_stats_init): Likewise.
6312 * lib/bitsetv.c (bitsetv_alloc): Likewise.
6313
6314 * po/POTFILES.in: Add lib/xalloc-die.c; remove lib/xmalloc.c.
6315
6316 * src/relation.c (relation_transpose): Rewrite to avoid bogus complaint
6317 from maintainer-distcheck about casting the argument of 'free'.
6318
6319 * NEWS: Mention recent yytname changes.
6320 * THANKS: Add Anthony Heading, twlevo@xs4all.nl.
6321
6322 * bootstrap: For translations that have not yet been upgraded to
6323 the new runtime-po domain, prime the pump by extracting the
6324 relevant strings from the obsolete translations. This code can be
6325 removed once the bison-runtime domain has been translated by each
6326 team.
6327
6328 * src/scan-gram.l (<SC_PRE_CODE>.): Don't double-quote token names,
6329 now that token names are already quoted.
6330
6331 Fix problem reported by Anthony Heading.
6332 * data/glr.c (YYTOKEN_TABLE): New macro.
6333 (yytname): Define if YYTOKEN_TABLE.
6334 * data/yacc.c (YYTOKEN_TABLE, yytname): Likewise.
6335 * data/lalr1.cc (YYTOKEN_TABLE, yytname_): Likewise.
6336 (YYERROR_VERBOSE): Define the same way the other skeletons do.
6337 * src/output.c (prepare_symbols): Output token_table_flag.
6338
6339 2005-07-21 Paul Eggert <eggert@cs.ucla.edu>
6340
6341 * data/glr.c (yyinitGLRStack, yyreturn): Don't call malloc
6342 again if the first call fails.
6343
6344 * data/glr.c (yytnamerr): New function.
6345 (yyreportSyntaxError): Use it to dequote most string literals.
6346 * data/lalr1.c (yytname_): Renamed from yyname_, for compatibility
6347 with other skeletons. All uses changed.
6348 (yytnameerr_): New function.
6349 (yyreport_syntax_error): Use it to dequote most string literals.
6350 * data/yacc.c (yytnamerr): New function.
6351 (yyerrlab): Use it to decode most string literals.
6352 * doc/bison.texinfo (Decl Summary, Calling Convention):
6353 Clarify quoting convention of yytname.
6354 * src/output.c (prepare_symbols): Quote all names. This undoes
6355 the 2005-04-17 change, which is now accomplished (mostly) via
6356 changes in the parsers as described above.
6357 * tests/regression.at (Token definitions, Web2c Actions):
6358 Undo most 2005-04-17 change here, too.
6359
6360 2005-07-20 Paul Eggert <eggert@cs.ucla.edu>
6361
6362 Fix more problems reported by twlevo@xs4all.nl.
6363 * tests/cxx-type.at: Don't pipe output of ./types through sed to
6364 remove trailing spaces. This loses the exit status of ./types,
6365 and isn't needed since ./types shouldn't be emitting trailing
6366 spaces.
6367 * data/glr.c (yyreturn): Don't pop stack if yyinitStateSet failed,
6368 as the stack isn't valid in that case.
6369
6370 * src/scan-gram.l (gram_get_lineno, gram_get_in, gram_get_out):
6371 (gram_get_leng, gram_get_text, gram_set_lineno, gram_set_in):
6372 (gram_set_out, gram_get_debug, gram_set_debug, gram_lex_destroy):
6373 Add declarations to pacify "gcc -Wmissing-prototypes" when flex 2.5.31
6374 is used.
6375 * src/scan-skel.l (skel_get_lineno, skel_get_in, skel_get_out):
6376 (skel_get_leng, skel_get_text, skel_set_lineno, skel_set_in):
6377 (skel_set_out, skel_get_debug, skel_set_debug, skel_lex_destroy):
6378 Likewise.
6379
6380 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Work even with
6381 overly-picky compilers that reject 'char *foo = "bar";'.
6382
6383 * src/symtab.c (SYMBOL_ATTR_PRINT, symbol_print): Direct output
6384 to FILE * parameter, not to stderr. This fixes a typo introduced
6385 in the 2005-07-12 change.
6386
6387 * lib/subpipe.c (create_subpipe): Rewrite slightly to avoid
6388 warnings from GCC 4.
6389
6390 * data/glr.c (yyexpandGLRStack, yyaddDeferredAction, yyexpandGLRStack):
6391 (yyglrShiftDefer, yysplitStack):
6392 Remove unused parameters b4_pure_formals. All uses changed.
6393 (yyglrShift): Remove unused parameters b4_user_formals.
6394 All uses changed.
6395 (yyglrReduce): Removed unused parameter yylocp. All uses changed.
6396
6397 2005-07-18 Paul Eggert <eggert@cs.ucla.edu>
6398
6399 Destructor cleanups and regularization among the three skeletons.
6400 * NEWS: Document the behavior changes.
6401 * data/glr.c (yyrecoverSyntaxError): Don't bother to pop the
6402 stack before failing, as the cleanup code will do it for us now.
6403 * data/lalr1.cc (yyerrlab): Likewise.
6404 * data/glr.c (yyparse): Pop everything off the stack before
6405 freeing it, so that destructors get called properly.
6406 * data/lalr1.cc (yyreturn): Likewise.
6407 * data/yacc.c (yyreturn): Pop and destroy the start symbol, too.
6408 This is more consistent.
6409 * doc/bison.texinfo (Destructor Decl): Mention more reasons
6410 why destructors might be called. 1.875 -> 2.1.
6411 (Destructor Decl, Decl Summary, Table of Symbols):
6412 Some English-language cleanups for %destructor.
6413 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
6414 Add output line for destructor of start symbol.
6415 * tests/calc.at (AT_CHECK_CALC): Add one to line counts,
6416 because of that same extra output line.
6417
6418 * NEWS: Document minor wording changes in diagnostics of
6419 Bison-generated parsers.
6420 * data/glr.c (yyMemoryExhausted): Renamed from yyStackOverflow.
6421 Remove unused formals. All uses changed.
6422 (yyreportAmbiguity): "ambiguity detected" -> "syntax is ambiguous".
6423 (yyparse): Rename yyoverflowlab to yyexhaustedlab.
6424 * data/yacc.c (yyparse): "parser stack overflow" -> "memory exhausted".
6425 Rename yyoverflowab to yyexhaustedlab.
6426 When memory exhaustion occurs during syntax-error reporting,
6427 report it separately rather than in a single diagnostic; this
6428 eases translation.
6429 * doc/bison.texinfo (Memory Management): Renamed from Stack Overflow.
6430 (Memory Exhausted): Renamed from Parser Stack Overflow.
6431 Revamp wording slightly to prefer "memory exhaustion".
6432 * tests/actions.at: "parser stack overflow" -> "memory exhausted".
6433
6434 * data/c.m4 (b4_yysymprint_generate): Use YYFPRINTF, not fprintf.
6435
6436 Add i18n support to the GLR skeleton. Partially fix the C++
6437 skeleton; a C++ expert needs to finish this. Remove debugging
6438 msgids; there's little point to having them translated, since they
6439 can be understood only by someone who can read the
6440 (English-language) source code.
6441
6442 Generate runtime-po/bison-runtime.pot automatically, so that we
6443 don't have to worry about garbage getting in that file. We'll
6444 make sure after the next official release that old msgids don't
6445 get lost. See
6446 <http://lists.gnu.org/archive/html/bison-patches/2005-07/msg00119.html>.
6447
6448 * runtime-po/Makefile.in.in, runtime-po/bison-runtime.pot: Remove.
6449 Now auto-generated.
6450 * PACKAGING: Don't claim that Gawk, GCC, Perl use this method yet.
6451 Fix typos in explanations of the runtime file.
6452 * bootstrap: Change gettext keyword from YYI18N to YY_.
6453 Use standard Makefile.in.in in runtime-po, since we'll arrange
6454 for backward-compatible bison-runtime.po files in a different way.
6455 * data/glr.c (YY_): New macro, from yacc.c.
6456 (yyuserAction, yyreportAmbiguity, yyreportSyntaxError, yyparse):
6457 Translate messages intended for users.
6458 (yyreportSyntaxError): Change "virtual memory" to "memory" to match
6459 the wording in the other skeletons. We don't know that the memory
6460 is virtual.
6461 * data/lalr1.cc (YY_): Renamed from _. All uses changed.
6462 Use same method that yacc.c uses.
6463 Don't translate debugging messages.
6464 (yy::yyreport_syntax_error): Put in a FIXME for the i18n stuff;
6465 it doesn't work (yet), and requires C++ expertise to fix.
6466 * data/yacc.c (YY_): Renamed from YY18N. All uses changed.
6467 Move defn to a more logical place, to be consistent with other
6468 skeletons.
6469 Don't translate debugging messages.
6470 Don't assume line numbers fit in unsigned int; use unsigned long fmts.
6471 * doc/bison.texinfo: Mention <libintl.h>. Change glibc cross reference
6472 to gettext cross reference. Add indexing terms. Mention YYENABLE_NLS.
6473 * runtime-po/POTFILES.in: Add data/glr.c, data/lalr1.cc.
6474
6475 Fix yyerror / yylex test glitches noted by twlevo@xs4all.nl.
6476 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Have yyerror return
6477 void, not int.
6478 * tests/glr-regression.at (Badly Collapsed GLR States):
6479 Likewise.
6480 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
6481 yylex should return 0 at EOF rather than aborting.
6482
6483 Improve tests for stack overflow in GLR parser.
6484 Problem reported by twlevo@xs4all.nl.
6485 * data/glr.c (struct yyGLRStack): Remove yyerrflag member.
6486 All uses removed.
6487 (yyStackOverflow): Just longjmp, but with value 2 so that caller
6488 can handle the problem.
6489 (YYCHK1): Use goto (a la yacc.c) rather than setting a flag.
6490 (yyparse): New local variable yyresult to record the result.
6491 Use result of setjmp to set it, rather than storing itinto
6492 struct.
6493 (yyDone): Remove label.
6494 (yyacceptlab, yyabortlab, yyoverflowlab, yyreturn): New labels,
6495 to mimic yacc.c. Do not discard lookahead if it's EOF (possible
6496 if YYABORT is used).
6497 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Exit with
6498 yyparse status; put status > 1 into diagnostic.
6499 Check that status==2 works.
6500 * tests/calc.at, tests/cxx-type.at, tests/glr-regression.at:
6501 Use exit status 3 for failure to open (which shouldn't happen).
6502
6503 2005-07-17 Paul Eggert <eggert@cs.ucla.edu>
6504
6505 * tests/conflicts.at (%nonassoc and eof): Don't exit with status
6506 1 on syntax error; just let yyparse do its thing.
6507 * tests/glr-regression.at (Badly Collapsed GLR States): Likewise.
6508 * tests/torture.at (AT_DATA_STACK_TORTURE): Likewise.
6509 (Exploding the Stack Size with Alloca):
6510 (Exploding the Stack Size with Malloc):
6511 Expect exit status 2, not 1, since the parser is supposed to blow
6512 its stack. Problem reported by twlevo@xs4all.nl.
6513
6514 * data/glr.c (yyparse): Don't assume that the initial calls
6515 to YYMALLOC succeed; in that case, yyparse incorrectly returned 0.
6516 Print a stack-overflow message and fail instead.
6517 Initialize the line-number information before creating the stack,
6518 so that the stack-overflow message can report line zero safely.
6519
6520 2005-07-14 Paul Eggert <eggert@cs.ucla.edu>
6521
6522 Fix problems reported by twlevo@xs4all.nl.
6523 * data/glr.c (YYSTACKEXPANDABLE): Don't define if already defined.
6524 (yyuserMerge): Provide a default case if b4_mergers is empty.
6525 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Define YYSTACKEXPANDABLE.
6526 * tests/glr-regression.at
6527 (Improper handling of embedded actions and dollar(-N) in GLR parsers):
6528 Add casts to pacify C++ compilers.
6529 * tests/glr-regression.at (Improper merging of GLR delayed action
6530 sets): Declare yylex before using it.
6531 * tests/Makefile.am (maintainer-check-g++): Fix a stray
6532 $(GXX) that escaped the renaming of GXX to CXX. Remove bogus
6533 test for valgrind; valgrind is independent of g++.
6534 (maintainer-check-posix): Add _POSIX2_VERSION=200112, to check
6535 for compatibility with POSIX 1003.1-2001 (if running coreutils).
6536 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Port to stricter C++.
6537 Use a destructor, so that we can expand the stack. Change
6538 YYSTYPE to char * so that we can free it. Cast result of malloc.
6539
6540 2005-07-13 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
6541
6542 * data/glr.c (yyuserAction): Fix uninitialized variable that caused
6543 a valgrind failure. Problem reported by twlevo@xs4all.nl.
6544
6545 2005-07-13 Paul Eggert <eggert@cs.ucla.edu>
6546
6547 * PACKAGING: New file, suggested by Bruno Haible and taken from
6548 similar wording in gettext's PACKAGING file.
6549 * NEWS: Mention PACKAGING.
6550 * Makefile.am (EXTRA_DIST): Add PACKAGING.
6551
6552 2005-07-12 Paul Eggert <eggert@cs.ucla.edu>
6553
6554 * NEWS: Document recent i18n improvements.
6555 * bootstrap: Get runtime translations into runtime-po.
6556 Create runtime-po files automatically, if possible.
6557 * configure.ac: Invoke BISON_I18N, so that we eat our own dog food.
6558 * data/yacc.c: Rewrite inclusion of <libintl.h> so that ENABLE_NLS
6559 does not infringe on the user's name space.
6560 (YYENABLE_NLS): Renamed from ENABLE_BISON_NLS.
6561 * doc/bison.texinfo (Internationalization): Revamp the English
6562 and Texinfo syntax a bit, to try to make it clearer.
6563 (Bison Options, Option Cross Key): Mention --print-localedir.
6564 * m4/bison-i18n.m4 (BISON_I18N): Rename ENABLE_BISON_NLS to
6565 YYENABLE_NLS. Quote a bit more.
6566 * runtime-po/.cvsignore: New file.
6567 * runtime-po/Makefile.in.in (mostlyclean): Remove *.old.pot.
6568 * runtime-po/Rules-quot: Remove; now created by bootstrap.
6569 * runtime-po/quot.sed: Likewise.
6570 * runtime-po/boldquot.sed: Likewise.
6571 * runtime-po/en@quot.header: Likewise.
6572 * runtime-po/en@boldquot.header: Likewise.
6573 * runtime-po/insert-header.sin: Likewise.
6574 * runtime-po/remove-potcdate.sin: Likewise.
6575 * runtime-po/Makevars: Likewise.
6576 * runtime-po/LINGUAS: Likewise.
6577 * runtime-po/de.po: Likewise; we will rely on the translation project
6578 to maintain this, so "bootstrap" should get it.
6579 * src/getarg.c (PRINT_LOCALEDIR_OPTION): Let the C compiler determine
6580 its value.
6581 * src/main.c (main): Bind the bison-runtime domain, too.
6582
6583 2005-07-12 Bruno Haible <bruno@clisp.org>
6584
6585 * data/yacc.c: Include <libintl.h> when NLS is enabled.
6586 (YYI18N): Renamed from _. Use dgettext when NLS is enabled.
6587 * po/POTFILES.in: Remove autogenerated file src/parse-gram.c.
6588 * runtime-po: New directory.
6589 * runtime-po/Makefile.in.in: New file, copied from po/, with modified
6590 $(DOMAIN).pot-update rule, so that old messages are never dropped.
6591 * runtime-po/Rules-quot: New file, copied from po/.
6592 * runtime-po/quot.sed: Likewise.
6593 * runtime-po/boldquot.sed: Likewise.
6594 * runtime-po/en@quot.header: Likewise.
6595 * runtime-po/en@boldquot.header: Likewise.
6596 * runtime-po/insert-header.sin: Likewise.
6597 * runtime-po/remove-potcdate.sin: Likewise.
6598 * runtime-po/Makevars: New file.
6599 * runtime-po/POTFILES.in: New file.
6600 * runtime-po/LINGUAS: New file.
6601 * runtime-po/bison-runtime.pot: New file.
6602 * runtime-po/de.po: New file.
6603 * m4/bison.m4: New file.
6604 * Makefile.am (SUBDIRS): Add runtime-po.
6605 (aclocaldir, aclocal_DATA): New variables.
6606 * configure.ac: Add AC_CONFIG_FILES of runtime-po/Makefile.in.
6607 Define aclocaldir.
6608 * src/getargs.c (usage): Document --print-localedir option.
6609 (PRINT_LOCALEDIR_OPTION): New enum item.
6610 (long_options): Add --print-localedir option.
6611 (getargs): Handle --print-localedir option.
6612 * doc/bison.texinfo (Bison Parser): Remove paragraph about _().
6613 (Internationalization): New section.
6614
6615 2005-07-12 Akim Demaille <akim@epita.fr>
6616
6617 * src/symtab.h, src/symtab.c (symbol_print): Swap the arguments,
6618 for consistency with the rest of the code.
6619 * src/symlist.h, src/symlist.c (symbol_list_print): Ditto.
6620 Add separators.
6621
6622 2005-07-12 Akim Demaille <akim@epita.fr>
6623
6624 * src/parse-gram.y: Use %printer instead of YYPRINT.
6625
6626 2005-07-12 Akim Demaille <akim@epita.fr>
6627
6628 * src/symtab.h, src/symtab.c (symbol_print): New.
6629 * src/symlist.h, src/symlist.c (symbol_list_print): New.
6630 * src/symlist.c (symbol_list_n_type_name_get): Report the culprit.
6631
6632 2005-07-12 Akim Demaille <akim@epita.fr>
6633
6634 * data/glr.c (b4_syncline): Fix (swap) the definitions of
6635 b4_at_dollar and b4_dollar_dollar.
6636
6637 2005-07-11 Paul Eggert <eggert@cs.ucla.edu>
6638
6639 * doc/bison.texinfo (Mystery Conflicts): Add reference to DeRemer
6640 and Pennello's paper.
6641
6642 2005-07-09 Paul Eggert <eggert@cs.ucla.edu>
6643
6644 * data/yacc.c (yyparse): Undo previous patch. Instead,
6645 set yylsp[0] and yyvsp[0] only if the initial action
6646 sets yylloc and yylval, respectively.
6647
6648 * data/yacc.c (yyparse): In the initial action, set
6649 yylsp[0] and yyvsp[0] rather than yylloc and yylval.
6650 This avoids the use of undefined variables if the initial
6651 action does not set yylloc and/or yylval.
6652
6653 2005-07-07 Paul Eggert <eggert@cs.ucla.edu>
6654
6655 * examples/calc++/calc++-driver.cc, examples/calc++/calc++-driver.hh:
6656 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc:
6657 Remove from CVS. These files are automatically generated.
6658 * examples/extexi: Clarify that this file is now part of Bison,
6659 not GNU M4, and that it works with any POSIX-compatible Awk.
6660 * examples/calc++/Makefile.am (run_extexi): Remove; not used.
6661 ($(calc_extracted)): Renamed from $(calc_sources_extracted),
6662 so that we also get calc++-parser.yy. Geneate it.
6663 Use $(AWK), not gawk, since any conforming Awk will do.
6664 Put comment before action, since older 'make' can't handle comment
6665 in action.
6666 $(BUILT_SOURCES): List all built sources, not just some of them.
6667 $(MAINTAINERCLEANFILES): Remove *.stamp, and all built sources.
6668 $($(srcdir)/calc++-parser.stamp): Work even if POSIXLY_CORRECT.
6669 $($(calc_sources_generated)): Remove unnecessary test for existence
6670 of target. (This had a shell syntax error anyway; a stray "x".)
6671 (calc_extracted): List $(srcdir)/calc++-parser.yy, not
6672 calc++-parser.yy.
6673 * examples/.cvsignore, examples/calc++/.cvsignore: New files.
6674
6675 * bootstrap (gnulib_modules): Add gettext, now that it's no longer
6676 implied by the other modules.
6677
6678 2005-07-06 Akim Demaille <akim@epita.fr>
6679
6680 Bind examples/calc++ to the package.
6681 * examples/calc++/Makefile: Remove, replaced by...
6682 * examples/calc++/Makefile.am: ... this new file.
6683 * examples/calc++/test: Remove input.
6684 * examples/calc++/compile: Remove.
6685 * examples/Makefile.am: New.
6686 * configure.ac, Makefile.am: Adjust.
6687 * doc/Makefile.am (clean-local): New, for more recent texi2dvis.
6688
6689 2005-07-05 Paul Eggert <eggert@cs.ucla.edu>
6690
6691 * data/glr.c (yyFail): Drastically simplify; since the format argument
6692 never had any % directives, we can simply pass it to yyerror.
6693 (yyparse): Use "t a; a=b;" rather than "t a = b;" when a will
6694 be modified later, as that is the usual style in glr.c.
6695 Problems reported by Paul Hilfinger.
6696
6697 Rewrite GLR parser to catch more buffer overrun, storage exhaustion,
6698 and size overflow errors.
6699 * data/glr.c: Include <stdio.h> etc. after user prolog, not before,
6700 in case the user prolog sets feature-test macros like _GNU_SOURCE.
6701 (YYSIZEMAX): New macro.
6702 (yystpcpy): New function, taken from yacc.c.
6703 (struct yyGLRStack.yyspaceLeft): Now size_t, not int.
6704 (yyinitGLRStack, yyfreeGLRstack): Remove unnecessary forward decls,
6705 so that we don't have to maintain their signatures.
6706 (yyFail): Check for buffer overflow, by using vsnprintf rather
6707 than vsprintf. Allocate a bigger buffer if possible.
6708 Report an error if buffer allocation fails.
6709 (yyStackOverflow): New function.
6710 (yyinitStateSet, yyinitGLRStack): Return a boolean indicating whether
6711 the initialization was successful. It might fail if storage was
6712 exhausted.
6713 (yyexpandGLRStack): Add more checks for storage allocation failure.
6714 Use yyStackOverflow to report failures.
6715 (yymarkStackDeleted, yyglrShift, yyglrShiftDefer, yydoAction):
6716 (yysplitStack, yyprocessOneStack, yyparse, yypstack):
6717 Don't assume stack number fits in int.
6718 (yysplitStack): Check for storage allocation failure.
6719 (yysplitStack, yyprocessOneStack): Add pure_formals, so that we
6720 can print diagnostics on storage allocation failure. All callers
6721 changed.
6722 (yyresolveValue): Use yybool for boolean.
6723 (yyreportSyntaxError): Check for size-calculation overflow.
6724 This code is taken from yacc.c.
6725 (yyparse): Check for storage allocation errors when allocating
6726 the initial stack.
6727
6728 2005-07-05 Akim Demaille <akim@epita.fr>
6729
6730 Extract calc++ from the documentation.
6731 * doc/bison.texinfo (Calc++): Add the extraction marks.
6732 * examples/extexi: New, from the aborted GNU Programming 2E.
6733 Separate the different paragraph of a file with empty lines.
6734 * examples/Makefile: Use it to extract the whole calc++ example.
6735
6736 2005-06-24 Akim Demaille <akim@epita.fr>
6737
6738 * doc/bison.texinfo (C++ Parser Interface): Use defcv to define
6739 class typedefs.
6740
6741 2005-06-22 Akim Demaille <akim@epita.fr>
6742
6743 * doc/bison.texinfo (C++ Language Interface): First stab.
6744 (C++ Parsers): Remove.
6745
6746 2005-06-22 Akim Demaille <akim@epita.fr>
6747
6748 * data/lalr1.cc (yylex_): Honor %lex-param.
6749
6750 2005-06-22 Akim Demaille <akim@epita.fr>
6751
6752 Start a set of simple examples.
6753 * examples/calc++/Makefile, examples/calc++/calc++-driver.cc,
6754 * examples/calc++/calc++-driver.hh,
6755 * examples/calc++/calc++-parser.yy,
6756 * examples/calc++/calc++-scanner.ll, examples/calc++/calc++.cc,
6757 * examples/calc++/compile, examples/calc++/test: New.
6758
6759 2005-06-09 Paul Eggert <eggert@cs.ucla.edu>
6760
6761 * data/yacc.c (malloc, free) [defined __cplusplus]: Wrap inside
6762 extern "C" {}. This fixes a problem reported by Paul Hilfinger,
6763 which stems from the 2005-05-27 patch.
6764
6765 2005-06-06 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
6766
6767 * data/glr.c: Modify treatment of unused parameters to permit use
6768 of g++ (which doesn't allow __attribute__ ((unused)) for parameters).
6769
6770 2005-05-30 Paul Eggert <eggert@cs.ucla.edu>
6771
6772 Fix infringement on user name space reported by Janos Zoltan Szabo.
6773 * data/yacc.c (yyparse): strlen -> yystrlen.
6774
6775 2005-05-30 Akim Demaille <akim@epita.fr>
6776
6777 * data/lalr1.cc (_): New.
6778 Translate the various messages.
6779
6780 2005-05-27 Paul Eggert <eggert@cs.ucla.edu>
6781
6782 Fix infringement on user name space reported by Bruno Haible.
6783 * data/yacc.c (YYSIZE_T): Define first, so that later decls can use it.
6784 Prefer GCC's __SIZE_TYPE__ if available, so that we don't infringe on
6785 the user's name space.
6786 (alloca): Include <stdlib.h> to get it, if it's not built in.
6787 (YYMALLOC, YYFREE): Define only if needed.
6788 (malloc, free): Declare, but only if needed, as this infringes on
6789 the user name space.
6790
6791 2005-05-25 Paul Eggert <eggert@cs.ucla.edu>
6792
6793 Fix BeOS, FreeBSD, MacOS porting problems reported by Bruno Haible.
6794 * lib/bitset.c (bitset_print): Don't assume size_t can be printed
6795 with %d format.
6796 * lib/ebitset.c (min, max): Undef before defining.
6797 * lib/vbitset.c (min, max): Likewise.
6798 * lib/subpipe.c (create_subpipe): Save local variables in case
6799 vfork clobbers them.
6800
6801 2005-05-24 Bruno Haible <bruno@clisp.org>
6802
6803 * tests/synclines.at (AT_SYNCLINES_COMPILE): Add support for the
6804 error message syntax used by gcc-4.0.
6805
6806 2005-05-23 Paul Eggert <eggert@cs.ucla.edu>
6807
6808 * README: Mention m4 1.4.3. Remove obsolete advice about
6809 Sun Forte Developer 6 update 2, VMS, and MS-DOS.
6810
6811 * bootstrap: Remove workaround for problem I encountered with
6812 gettext 0.14.1; it seems to be fixed now.
6813
6814 2005-05-22 Paul Eggert <eggert@cs.ucla.edu>
6815
6816 * NEWS: Version 2.0a.
6817
6818 * src/files.c: Include "stdio-safer.h"; this fixes a typo in
6819 the previous change.
6820
6821 Various maintainer cleanups.
6822 * .cvsignore: Add a.exe, a.out, b.out,, conf[0-9]*, confdefs*,
6823 conftest*, for benefit of CVS commands run at the same time as
6824 "configure". Add build-aux, since "bootstrap" now creates it and
6825 its subfiles.
6826 * Makefile.cfg (move_if_change): Remove.
6827 * Makefile.maint: Remove the update stuff; we now use "bootstrap".
6828 (ftp-gnu, www-gnu, move_if_change, local_updates, update):
6829 (po_repo, do-po-update, po-update, wget_files, get-targets):
6830 (config.guess-url_prefix, config.sub-url_prefix):
6831 (ansi2knr.c-url_prefix, texinfo.tex-url_prefix):
6832 (standards.texi-url_prefix, make-stds.texi-url_prefix, taget, url):
6833 ($(get-targets), cvs-files, automake_repo, wget-update, cvs-update):
6834 Remove.
6835 * configure.ac (AC_CONFIG_AUX_DIR): Change from config to build-aux;
6836 this is now the recommended name.
6837 * config/.cvsignore: Remove config.guess, config.rpath, config.sub,
6838 depcomp, install-sh, mdate-sh, missing, mkinstalldirs, texinfo.tex,
6839 ylwrap. These files now go into build-aux.
6840 * config/move-if-change: Remove.
6841 * config/prev-version.txt: Bump from 1.75 to 2.0.
6842
6843 * bootstrap: Add stdio-safer, unistd-safer modules.
6844 Remove m4/glibc2.m4 (introduced by latest gnulib, but
6845 we don't need it).
6846 * lib/.cvsignore: Add dup-safer.c, fd-safer.c,
6847 fopen-safer.c, stdio-safer.h, unistd-safer.h.
6848 * lib/subpipe.c: Include "unistd-safer.h".
6849 (create_subpipe): Make sure all the newly-created
6850 file descriptors are > 2, so that diagnostics don't
6851 get sent down them (which might cause Bison to hang, in theory).
6852 * m4/.cvsignore: Add stdio-safer.m4, unistd-safer.m4.
6853 * src/files.c (xfopen): Use fopen_safer, not fopen.
6854
6855 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Port
6856 yesterday's yacc.c fix.
6857
6858 2005-05-21 Paul Eggert <eggert@cs.ucla.edu>
6859
6860 * data/glr.c, data/lalr1.cc: Update copyright date.
6861
6862 Fix a destructor bug reported by Wolfgang Spraul in
6863 <http://lists.gnu.org/archive/html/bug-bison/2005-05/msg00042.html>.
6864 * data/yacc.c (yyabortlab): Don't call destructor, and
6865 don't set yychar to EMPTY.
6866 (yyoverflowlab): Don't call destructor.
6867 (yyreturn): Call destructor, if yychar is neither YYEOF nor YYEMPTY.
6868 * tests/calc.at (AT_CHECK_CALC): Expect one fewer output lines,
6869 since we no longer output the message "discarding lookahead token
6870 end of input ()".
6871
6872 2005-05-20 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
6873
6874 * data/glr.c (YY_SYMBOL_PRINT): Don't print newline at end to
6875 fix a small glitch in debugging output.
6876 (yyprocessOneStack, yyrecoverSyntaxError, yyparse): Print newline
6877 after YY_SYMBOL_PRINT where needed.
6878
6879 (struct yyGLRState): Add some comments.
6880 (struct yySemanticOption): Add some comments.
6881 (union yyGLRStackItem): Add comment.
6882
6883 (yymergeOptionSets): Correct this to properly perform the union,
6884 avoiding infinite reported by Michael Rosien.
6885 Update comment.
6886
6887 * tests/glr-regression.at: Add test for GLR merging error reported
6888 by M. Rosien.
6889
6890 2005-05-13 Paul Eggert <eggert@cs.ucla.edu>
6891
6892 * COPYING, ChangeLog, GNUmakefile, HACKING, Makefile.am,
6893 Makefile.cfg, Makefile.maint, NEWS, README, README-alpha,
6894 README-cvs, TODO, bootstrap, configure.ac, data/Makefile.am,
6895 data/README, data/c.m4, data/glr.c, data/lalr1.cc, data/yacc.c,
6896 data/m4sugar/m4sugar.m4, doc/Makefile.am, doc/bison.texinfo,
6897 doc/fdl.texi, doc/gpl.texi, doc/refcard.tex, lib/Makefile.am,
6898 lib/abitset.c, lib/abitset.h, lib/bbitset.h, lib/bitset.c,
6899 lib/bitset.h, lib/bitset_stats.c, lib/bitset_stats.h,
6900 lib/bitsetv-print.c, lib/bitsetv-print.h, lib/bitsetv.c,
6901 lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/get-errno.c,
6902 lib/get-errno.h, lib/lbitset.c, lib/lbitset.h, lib/libiberty.h,
6903 lib/main.c, lib/subpipe.c, lib/subpipe.h, lib/timevar.c,
6904 lib/timevar.def, lib/timevar.h, lib/vbitset.c, lib/vbitset.h,
6905 lib/yyerror.c, m4/cxx.m4, m4/m4.m4, m4/subpipe.m4, m4/timevar.m4,
6906 m4/warning.m4, src/LR0.c, src/LR0.h, src/Makefile.am, src/assoc.c,
6907 src/assoc.h, src/closure.c, src/closure.h, src/complain.c,
6908 src/complain.h, src/conflicts.c, src/conflicts.h, src/derives.c,
6909 src/derives.h, src/files.c, src/files.h, src/getargs.c,
6910 src/getargs.h, src/gram.c, src/gram.h, src/lalr.c, src/lalr.h,
6911 src/location.c, src/location.h, src/main.c, src/muscle_tab.c,
6912 src/muscle_tab.h, src/nullable.c, src/nullable.h, src/output.c,
6913 src/output.h, src/parse-gram.c, src/parse-gram.h,
6914 src/parse-gram.y, src/print.c, src/print.h, src/print_graph.c,
6915 src/print_graph.h, src/reader.c, src/reader.h, src/reduce.c,
6916 src/reduce.h, src/relation.c, src/relation.h, src/scan-gram.l,
6917 src/scan-skel.l, src/state.c, src/state.h, src/symlist.c,
6918 src/symlist.h, src/symtab.c, src/symtab.h, src/system.h,
6919 src/tables.c, src/tables.h, src/uniqstr.c, src/uniqstr.h,
6920 src/vcg.c, src/vcg.h, src/vcg_defaults.h, tests/Makefile.am,
6921 tests/actions.at, tests/c++.at, tests/calc.at, tests/conflicts.at,
6922 tests/cxx-type.at, tests/existing.at, tests/glr-regression.at,
6923 tests/headers.at, tests/input.at, tests/local.at, tests/output.at,
6924 tests/reduce.at, tests/regression.at, tests/sets.at,
6925 tests/synclines.at, tests/testsuite.at, tests/torture.at:
6926 Update FSF postal mail address.
6927
6928 2005-05-11 Paul Eggert <eggert@cs.ucla.edu>
6929
6930 * tests/local.at (AT_COMPILE_CXX): Treat LDFLAGS like AT_COMPILE does.
6931 Problem reported by Ralf Menzel.
6932
6933 2005-05-01 Paul Eggert <eggert@cs.ucla.edu>
6934
6935 * tests/actions.at: Test that stack overflow invokes destructors.
6936 From Marcus Holland-Moritz.
6937 * data/yacc.c (yyerrlab): Move the code that destroys the stack
6938 from here....
6939 (yyreturn): to here. That way, destructors are called properly
6940 even if the stack overflows, or the user calls YYACCEPT or
6941 YYABORT. Stack-overflow problem reported by Marcus Holland-Moritz.
6942 (yyoverflowlab): Destroy the lookahead.
6943
6944 2005-04-24 Paul Eggert <eggert@cs.ucla.edu>
6945
6946 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): Add more-descriptive comment.
6947
6948 2005-04-17 Paul Eggert <eggert@cs.ucla.edu>
6949
6950 * NEWS: Bison-generated C parsers no longer quote literal strings
6951 associated with tokens.
6952 * src/output.c (prepare_symbols): Don't escape strings,
6953 since users don't want to see C escapes.
6954 * tests/calc.at (AT_CHECK_CALC): Adjust to lack of quotes
6955 in diagnostics.
6956 * tests/input.at (Torturing the Scanner): Likewise.
6957 * tests/regression.at (Token definitions, Web2c Actions): Likewise.
6958
6959 2005-04-16 Paul Eggert <eggert@cs.ucla.edu>
6960
6961 * tests/torture.at (AT_INCREASE_DATA_SIZE): Skip the test if
6962 the data size is known to be too small and we can't increase it.
6963 This works around an HP-UX 11.00 glitch reported by Andrew Benham.
6964
6965 2005-04-15 Paul Eggert <eggert@cs.ucla.edu>
6966
6967 * src/parse-gram.y: Include quotearg.h.
6968 (string_as_id): Quote $1 before using it as a key, since the
6969 lexer no longer quotes it for us.
6970 (string_content): Don't strip quotes, since lexer no longer
6971 quotes it for us.
6972 * src/scan-gram.l: Include quotearg.h.
6973 ("\""): Omit quote.
6974 ("'"<SC_ESCAPED_CHARACTER>): Quote symbol before using it as
6975 a key, since the rest of the lexer doesn't quote it.
6976 * src/symtab.c (symbol_get): Don't quote symbol; caller does it now.
6977 * tests/regression.at (Token definitions): Check for backslashes
6978 in token strings.
6979
6980 * data/yacc.c (YYSTACK_ALLOC_MAXIMUM): New macro.
6981 (YYSIZE_T): Define to unsigned long int when using an older compiler.
6982 (yyparse): Revamp code to generate long syntax error message, to
6983 make it easier to translate, and to avoid problems with arithmetic
6984 overflow. Change "virtual memory" to "memory" in diagnostic, since
6985 we don't know whether the memory is virtual.
6986
6987 2005-04-13 Paul Eggert <eggert@cs.ucla.edu>
6988
6989 * NEWS: Bison-generated C parsers now use the _ macro to
6990 translate strings.
6991 * data/yacc.c (_) [!defined _]: New macro.
6992 All English strings wrapped inside this macro.
6993 * doc/bison.texinfo (Bison Parser): Document _.
6994 * po/POTFILES.in: Include src/parse-gram.c, since it now
6995 includes translateable strings that parse-gram.y doesn't.
6996
6997 2005-04-12 Paul Eggert <eggert@cs.ucla.edu>
6998
6999 * src/symtab.c (symbol_make_alias): Call symbol_type_set,
7000 reverting the 2004-10-11 change to this function.
7001 (symbol_check_alias_consistency): Don't call symbol_type_set
7002 if the type name is already correct.
7003 * tests/input.at (Typed symbol aliases): New test, from Tim Van Holder.
7004
7005 2005-03-25 Paul Eggert <eggert@cs.ucla.edu>
7006
7007 * tests/regression.at (Token definitions): Don't use a token named
7008 c, as that generates a "#define c ..." that runs afoul of buggy
7009 stdlib.h that uses the identifier c as a member of struct
7010 drand48_data. Problem reported by Horst Wente.
7011
7012 2005-03-21 Paul Eggert <eggert@cs.ucla.edu>
7013
7014 * bootstrap: Change translation URL from
7015 http://www2.iro.umontreal.ca/~gnutra/po/maint/bison/ to
7016 http://www.iro.umontreal.ca/translation/maint/bison/ to avoid
7017 redirection glitches. Problem reported by twlevo@xs4all.nl.
7018
7019 2005-03-20 Paul Eggert <eggert@cs.ucla.edu>
7020
7021 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Don't put options
7022 after operands; POSIX says this isn't portable for the c99 command.
7023
7024 2005-03-18 Paul Eggert <eggert@cs.ucla.edu>
7025
7026 * tests/glr-regression.at (glr-regr2a.y): Try to dump core
7027 immediately if a data overrun has occurred; this may help us track
7028 down what may be a spurious failure on MacOS.
7029
7030 2005-03-17 Paul Eggert <eggert@cs.ucla.edu>
7031
7032 Respond to problems reported by twlevo@xs4all.nl.
7033
7034 * bootstrap: Use "trap - 0" rather than the unportable "trap 0".
7035
7036 * src/vcg.h: Comment fix.
7037 * src/vcg_defaults.h: Parenthesize macro bodies to make them safe.
7038 (G_CMAX): Change to -1 instead of INT_MAX.
7039
7040 * data/yacc.c (yyparse): Omit spaces before #line.
7041
7042 2005-03-15 Paul Eggert <eggert@cs.ucla.edu>
7043
7044 * src/tables.c (state_number_to_vector_number): Put it inside an
7045 "#if 0", since it's not currently used. Problem reported by
7046 Roland McGrath.
7047
7048 2005-03-06 Paul Eggert <eggert@cs.ucla.edu>
7049
7050 * src/output.c (escaped_output): Renamed from
7051 escaped_file_name_output, since we now use it for symbol tags as
7052 well. All uses changed.
7053 (symbol_destructors_output, symbol_printers_output):
7054 Escape symbol tags too.
7055 Problem reported by Matyas Forstner in
7056 <http://lists.gnu.org/archive/html/bug-bison/2005-03/msg00009.html>.
7057
7058 * src/muscle_tab.c (muscle_code_grow): Don't quote numbers; it's
7059 not needed.
7060 * src/output.c (user_actions_output, token_definitions_output,
7061 symbol_destructors_output, symbol_printers_output): Likewise.
7062 * src/reader.c (prologue_augment): Likewise.
7063 * src/scan-gram.l (handle_action_dollar, handle_action_at): Likewise.
7064
7065 * src/vcg.c (output_edge): Don't quote linestyle arg.
7066 Problem reported by twlevo@xs4all.nl.
7067
7068 2005-02-28 Paul Eggert <eggert@cs.ucla.edu>
7069
7070 * doc/bison.texinfo (Semantic Tokens): Fix scoping problem in
7071 example, reported by Derek M Jones. Also, make the example even
7072 more outrageous, to better illustrate how bad the problem is.
7073
7074 2005-02-24 Paul Eggert <eggert@cs.ucla.edu>
7075
7076 * doc/bison.texinfo (Mfcalc Symtab): Correct the prototype for
7077 putsym. Typo reported by Sebastian Piping.
7078
7079 2005-02-23 Paul Eggert <eggert@cs.ucla.edu>
7080
7081 * doc/bison.texinfo (Language and Grammar): some -> same
7082 (Epilogue): int he -> in the
7083 Typos reported by Sebastian Piping via Justin Pence.
7084
7085 2005-02-07 Paul Eggert <eggert@cs.ucla.edu>
7086
7087 * tests/glr-regression.at (Improper handling of embedded actions
7088 and dollar(-N) in GLR parsers): Renamed from "Improper handling of
7089 embedded actions and $-N in GLR parsers", work around an Autoconf bug
7090 with dollar signs in test names.
7091 * tests/input.at (Invalid dollar-n): Renamed from "Invalid \$n",
7092 for a similar reason.
7093
7094 2005-01-28 Paul Eggert <eggert@cs.ucla.edu>
7095
7096 * src/vcg.c (output_graph): G_VIEW -> normal_view in case someone
7097 wants to redefine G_VIEW.
7098
7099 2005-01-27 Paul Eggert <eggert@cs.ucla.edu>
7100
7101 * src/vcg.c (get_view_str): Remove case for normal_view.
7102 Problem reported by twlevo@xs4all.nl.
7103
7104 2005-01-24 Paul Eggert <eggert@cs.ucla.edu>
7105
7106 * configure.ac (O0CFLAGS, O0CXXFLAGS): Fix quoting bug.
7107 Problem reported by twlevo@xs4all.nl.
7108
7109 * doc/bison.texinfo: Change @dircategory from "GNU programming
7110 tools" to "Software development". Requested by Richard Stallman
7111 via Karl Berry.
7112
7113 2005-01-23 Paul Eggert <eggert@cs.ucla.edu>
7114
7115 * tests/c++.at (AT_CHECK_DOXYGEN): Don't use options after operands.
7116 Problem reported by twlevo@xs4all.nl.
7117
7118 2005-01-21 Paul Eggert <eggert@cs.ucla.edu>
7119
7120 * data/yacc.c (YYCOPY, yystpcpy, yyparse): Remove "register"
7121 keyword; it's not needed with modern compilers, and it doesn't
7122 affect correctness with older compilers. Suggested by
7123 twlevo@xs4all.nl.
7124
7125 2005-01-17 Paul Eggert <eggert@cs.ucla.edu>
7126
7127 * data/glr.c (yyuserAction): Add "default: break;" case to pacify
7128 gcc -Wswitch-default.
7129 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
7130 * data/yacc.c (yyparse): Likewise.
7131
7132 2005-01-12 Paul Eggert <eggert@cs.ucla.edu>
7133
7134 * src/system.h (OUTPUT_EXT, TAB_EXT): Define only if not defined
7135 already. Let config.h define any nonstandard values.
7136
7137 2005-01-10 Paul Eggert <eggert@cs.ucla.edu>
7138
7139 * tests/calc.at (_AT_DATA_CALC_Y): Use alarm (100), not alarm (10),
7140 for the benefit of slower hosts. Problem reported by
7141 Nelson H. F. Beebe.
7142
7143 2005-01-07 Paul Eggert <eggert@cs.ucla.edu>
7144
7145 * data/yacc.c (yyparse): Pacify non-GCC compilers about yyerrorlab
7146 being defined and not used.
7147 * data/lalr1.cc (yyparse): Likewise.
7148 Use "if (false)" rather than "if (0)".
7149
7150 2005-01-05 Paul Eggert <eggert@cs.ucla.edu>
7151
7152 * TODO: Mention that we should allow NUL bytes in tokens.
7153
7154 2005-01-02 Paul Eggert <eggert@cs.ucla.edu>
7155
7156 * src/scan-skel.l (<<EOF>>): Don't close standard output.
7157 Problem reported by Hans Aberg.
7158
7159 2005-01-01 Paul Eggert <eggert@cs.ucla.edu>
7160
7161 * src/getargs.c (version): Happy new year; update overall
7162 program copyright date from 2004 to 2005.
7163
7164 * src/scan-skel.l ("@output ".*\n): Don't close standard output.
7165 Problem reported by Hans Aberg.
7166 * tests/output.at (AT_CHECK_OUTPUT): New arg SHELLIO.
7167 (Output file names.): Add a test for the case when standard output
7168 is closed.
7169
7170 2004-12-26 Paul Eggert <eggert@cs.ucla.edu>
7171
7172 * doc/bison.texinfo (@copying): Update FDL version number to 1.2,
7173 to fix an oversight in the Bison 2.0 manual.
7174
7175 2004-12-25 Paul Eggert <eggert@cs.ucla.edu>
7176
7177 * NEWS: Version 2.0. Reformat the existing news items since
7178 1.875, so that related items are grouped together.
7179 * configure.ac (AC_INIT): Bump version to 2.0.
7180 * src/parse-gram.c, src/parse-gram.h: Regenerate with 2.0.
7181
7182 * tests/torture.at (Exploding the Stack Size with Alloca): Set
7183 YYSTACK_USE_ALLOCA to 1 if __GNUC__ or alloca are defined;
7184 otherwise, we're not testing alloca. Unfortunately there's no
7185 simple way to consult HAVE_ALLOCA here.
7186
7187 * data/lalr1.cc (yydestruct_): Pacify unused variable warning
7188 for yymsg, too.
7189
7190 * src/LR0.c (new_itemsets): Use memset rather than zeroing by
7191 hand. This avoids a warning about comparing int to size_t when
7192 GCC warnings are enabled.
7193
7194 2004-12-22 Paul Eggert <eggert@cs.ucla.edu>
7195
7196 * NEWS: Bison-generated parsers no longer default to using the
7197 alloca function (when available) to extend the parser stack, due
7198 to widespread problems in unchecked stack-overflow detection.
7199 * data/glr.c (YYMAXDEPTH): Remove undef when zero. It's the user's
7200 responsibility to set it to a positive value. This lets the user
7201 specify a value that is not a preprocessor constant.
7202 * data/yacc.c (YYMAXDEPTH): Likewise.
7203 (YYSTACK_ALLOC): Define only if YYSTACK_USE_ALLOCA is nonzero.
7204 * doc/bison.texinfo (Stack Overflow): YYMAXDEPTH no longer needs
7205 to be a compile-time constant. However, explain the constraints on it.
7206 Also, explain the constraints on YYINITDEPTH.
7207 (Table of Symbols): Explain that alloca is no longer the default.
7208 Explain the user's responsibility if they define YYSTACK_USE_ALLOCA
7209 to 1.
7210
7211 * doc/bison.texinfo (Location Default Action): Mention that n must
7212 be zero when k is zero. Suggested by Frank Heckenbach.
7213
7214 2004-12-22 Akim Demaille <akim@epita.fr>
7215
7216 * data/lalr1.cc (parser::token_number_type, parser::rhs_number_type)
7217 (parser::state_type, parser::semantic_type, parser::location_type):
7218 Private, not public.
7219 (parser::parse): Return ints, not bool.
7220 Returning a bool introduces a problem: 0 corresponds to false, and
7221 it seems weird to return false on success. Returning true changes
7222 the conventions for yyparse.
7223 Alternatively we could return void and send an exception.
7224 There is no clear consensus (yet?).
7225 (state_stack, semantic_stack, location_stack): Rename as...
7226 (state_stack_type, semantic_stack_type, location_stack_type): these.
7227 Private, not public.
7228 * tests/c++.at: New.
7229 * tests/testsuite.at, tests/Makefile.am: Adjust.
7230
7231 2004-12-21 Akim Demaille <akim@epita.fr>
7232
7233 * data/lalr1.cc (parser::parse): Return a bool instead of an int.
7234
7235 2004-12-21 Akim Demaille <akim@epita.fr>
7236
7237 Don't impose std::string for filenames.
7238
7239 * data/lalr1.cc (b4_filename_type): New.
7240 (position::filename): Use it.
7241 (parser.hh): Move the inclusion of stack.hh and location.hh below
7242 the user code, so that needed headers for the filename type can be
7243 included first.
7244 Forward declare them before the user code.
7245 * tests/Makefile.am (check-local, installcheck-local): Pass
7246 TESTSUITEFLAGS to the TESTSUITE.
7247
7248 2004-12-20 Akim Demaille <akim@epita.fr>
7249
7250 Use more STL like names: my_class instead of MyClass.
7251
7252 * data/lalr1.cc (LocationStack, LocationType, RhsNumberType)
7253 (SemanticStack, SemanticType, StateStack, StateType)
7254 (TokenNumberType, Stack, Slice, Traits, Parser::location)
7255 (Parser::value): Rename as...
7256 (location_stack, location_type, rhs_number_type, semantic_stack)
7257 (semantic_type, state_stack, state_type, token_number_type, stack)
7258 (slice, traits, parser::yylloc, parser::yylval): these.
7259
7260 * tests/calc.at, tests/regression.at, tests/actions.at: Adjust.
7261
7262 2004-12-19 Paul Eggert <eggert@cs.ucla.edu>
7263
7264 * data/glr.c (YYLLOC_DEFAULT): Use GNU spacing conventions.
7265 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
7266
7267 2004-12-17 Paul Eggert <eggert@cs.ucla.edu>
7268
7269 Remove uses of 'short int' and 'unsigned short int'. This raises
7270 some arbitrary limits. It uses more memory but nowadays that's
7271 not much of an issue.
7272
7273 This change does not affect the generated parsers; that's a different
7274 task, as some users will want to conserve memory there.
7275
7276 Ideally we should use size_t to represent all object counts, and
7277 something like ptrdiff_t to represent signed differences of object
7278 counts; but that will require more code-cleanup than I have the
7279 time to do right now.
7280
7281 * src/LR0.c (allocate_itemsets, new_itemsets, save_reductions):
7282 Use size_t, not int or short int, to count objects.
7283 * src/closure.c (nritemset, closure): Likewise.
7284 * src/closure.h (nritemset, closure): Likewise.
7285 * src/nullable.c (nullable_compute): Likewise.
7286 * src/print.c (print_core): Likewise.
7287 * src/print_graph.c (print_core): Likewise.
7288 * src/state.c (state_compare, state_hash): Likewise.
7289 * src/state.h (struct state): Likewise.
7290 * src/tables.c (default_goto, goto_actions): Likewise.
7291
7292 * src/gram.h (rule_number, rule): Use int, not short int.
7293 * src/output.c (prepare_rules): Likewise.
7294 * src/state.h (state_number, STATE_NUMBER_MAXIMUM, transitions,
7295 errs, reductions): Likewise.
7296 * src/symtab.h (symbol_number, SYMBOL_NUMBER_MAXIMUM, struct symbol):
7297 Likewise.
7298 * src/tables.c (vector_number, tally, action_number,
7299 ACTION_NUMBER_MINIMUM): Likewise.
7300 * src/output.c (muscle_insert_short_int_table): Remove.
7301
7302 2004-12-17 Akim Demaille <akim@epita.fr>
7303
7304 * data/lalr1.cc: Extensive Doxygenation.
7305 (error_): Rename as...
7306 (error): this, since it is visible to the user.
7307 Adjust callers.
7308 (Parser::message): Now an automatic variable from...
7309 (Parser::yyreport_syntax_error_): here.
7310 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust to
7311 Parser::error.
7312 * tests/input.at: Escape $.
7313
7314 2004-12-16 Paul Eggert <eggert@cs.ucla.edu>
7315
7316 * data/glr.c (b4_lhs_value, b4_rhs_value, b4_rhs-location):
7317 Parenthesize rhs to avoid obscure problems with mistakes like
7318 "foo$$bar = foo$1bar;". Problem reported by twlevo at xs4all.
7319 * data/lalr1.cc (b4_lhs_value, b4_rhs_value, b4_lhs_location,
7320 b4_rhs_location): Likewise.
7321 * data/yacc.c (b4_lhs_value, b4_rhs_value, b4_lhs_location,
7322 b4_rhs_location): Likewise.
7323
7324 2004-12-16 Akim Demaille <akim@epita.fr>
7325
7326 * data/lalr1.cc (yyreport_syntax_error_): Catch up with glr.c and
7327 yacc.c: be sure to stay within yycheck_.
7328 * tests/actions.at: Re-enable C++ tests.
7329
7330 2004-12-16 Akim Demaille <akim@epita.fr>
7331
7332 * src/print_graph.c (print_graph): Remove layoutalgorithm uses for
7333 real.
7334
7335 2004-12-16 Akim Demaille <akim@epita.fr>
7336
7337 Use #define to handle the %name-prefix.
7338
7339 * data/glr.c, data/yacc.c: Comment changes.
7340 * data/lalr1.cc (yylex): Use #define to select the name of yylex,
7341 so that one can refer to yylex in the parser file, and have it
7342 renamed, as is the case with other skeletons.
7343
7344 2004-12-16 Akim Demaille <akim@epita.fr>
7345
7346 Move lalr1.cc internals into yy*.
7347
7348 * data/lalr1.cc (semantic_stack_, location_stack_, state_stack_)
7349 (semantic_stack_, location_stack_, pact_, pact_ninf_, defact_)
7350 (pgoto_, defgoto_, table_, table_ninf_, check_, stos_, r1_, r2_)
7351 (name_, rhs_, prhs_, rline_, token_number_, eof_, last_, nnts_)
7352 (empty_, final_, terror_, errcode_, ntokens_)
7353 (user_token_number_max_, undef_token_, n_, len_, state_, nerrs_)
7354 (looka_, ilooka_, error_range_, nerrs_):
7355 Rename as...
7356 (yysemantic_stack_, yylocation_stack_, yystate_stack_)
7357 (yysemantic_stack_, yylocation_stack_, yypact_, yypact_ninf_)
7358 (yydefact_, yypgoto_, yydefgoto_, yytable_, yytable_ninf_)
7359 (yycheck_, yystos_, yyr1_, yyr2_, yyname_, yyrhs_, yyprhs_)
7360 (yyrline_, yytoken_number_, yyeof_, yylast_, yynnts_, yyempty_)
7361 (yyfinal_, yyterror_, yyerrcode_, yyntokens_)
7362 (yyuser_token_number_max_, yyundef_token_, yyn_, yylen_, yystate_)
7363 (yynerrs_, yylooka_, yyilooka_, yyerror_range_, yynerrs_):
7364 these.
7365
7366 2004-12-15 Paul Eggert <eggert@cs.ucla.edu>
7367
7368 Fix some problems reported by twlevo at xs4all.
7369 * src/symtab.c (symbol_new): Report an error if the input grammar
7370 contains too many symbols. This is better than calling abort() later.
7371 * src/vcg.h (enum layoutalgorithm): Remove. All uses removed.
7372 (struct node, struct graph):
7373 Rename member expand to stretch. All uses changed.
7374 (struct graph): Remove member layoutalgorithm. All uses removed.
7375 * src/vcg.c (get_layoutalgorithm_str): Remove. All uses removed.
7376 * src/vcg_defaults.h (G_STRETCH): Renamed from G_EXPAND.
7377 All uses changed.
7378 (N_STRETCH): Rename from N_EXPAND. All uses changed.
7379
7380 2004-12-15 Akim Demaille <akim@epita.fr>
7381
7382 * data/lalr1.cc: Normalize /** \brief ... */ to ///.
7383 Add more Doxygen comments.
7384 (symprint_, stack_print_, reduce_print_, destruct_, pop)
7385 (report_syntax_error_, translate_): Rename as...
7386 (yysymprint_, yystack_print_, yyreduce_print_, yydestruct_)
7387 (yypop_, yyreport_syntax_error_, yytranslate_): this.
7388
7389 2004-12-15 Akim Demaille <akim@epita.fr>
7390
7391 * data/lalr1.cc (lex_): Rename as...
7392 (yylex_): this.
7393 Move the trace here.
7394 Take the %name-prefix into account.
7395 Reported by Alexandre Duret-Lutz.
7396
7397 2004-12-15 Akim Demaille <akim@epita.fr>
7398
7399 Simplify the C++ parser constructor.
7400
7401 * data/lalr1.cc (debug_): Rename as...
7402 (yydebug_): so that the parser's internals are always in the yy*
7403 pseudo namespace.
7404 Adjust uses.
7405 (b4_parse_param_decl): Remove the leading comma as it is now only
7406 called as unique argument list.
7407 (Parser::Parser): Remove the constructor accepting a location and
7408 an initial debugging level.
7409 Remove from the other ctor the argument for the debugging level.
7410 (debug_level_type, debug_level, set_debug_level): New.
7411
7412 * tests/actions.at, tests/calc.at, tests/regression.at: Adjust
7413 constructor calls.
7414
7415 2004-12-15 Akim Demaille <akim@epita.fr>
7416
7417 Remove b4_root related material: failure experiment
7418 (which goal was to allow to derive from a class).
7419
7420 * data/lalr1.cc (b4_root, b4_param, b4_constructor): Remove
7421 definitions and uses.
7422
7423 2004-12-14 Paul Eggert <eggert@cs.ucla.edu>
7424
7425 * data/glr.c (struct yyGLRStack): yyerror_range now has 3 items,
7426 not 2, since it's not portable to subtract 1 from the start of an
7427 array. The new item 0 is never set or used. All uses changed.
7428
7429 (yyrecoverSyntaxError): Use YYLLOC_DEFAULT instead of assuming
7430 the default definition of YYLLOC_DEFAULT. Problem reported
7431 by Frank Heckenbach.
7432
7433 2004-12-12 Paul Eggert <eggert@cs.ucla.edu>
7434
7435 * data/glr.c (YYRHSLOC): Don't have two definitions, one for
7436 the normal case and one for the error case. Just use the
7437 first one uniformly. Problem reported by Frank Heckenbach.
7438 (YYLLOC_DEFAULT): Use the conventions of yacc.c, so we can
7439 use exactly the same macro in both places.
7440 (yyerror_range): Now of type yyGLRStackItem, not YYLTYPE,
7441 so that the normal-case YYRHSLOC works for the error case too.
7442 All uses changed.
7443 * data/yacc.c (YYRHSLOC): New macro, taken from glr.c.
7444 (YYLLOC_DEFAULT): Use the same macro as glr.c.
7445 * doc/bison.texinfo (Location Default Action): Don't claim that
7446 we have an array of locations. Use the same macro for both glr
7447 and lalr parsers. Mention YYRHSLOC. Mention what happens when
7448 the index is 0.
7449
7450 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
7451
7452 * HACKING: Update email addresses to send announcements to.
7453
7454 * configure.ac (AC_INIT): Bump version to 1.875f.
7455
7456 2004-12-10 Paul Eggert <eggert@cs.ucla.edu>
7457
7458 * NEWS: Version 1.875e.
7459 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875e.
7460
7461 * src/scan-skel.l: Include "complain.h", for "fatal".
7462
7463 * src/relation.h (relation_print, relation_digraph):
7464 Relation sizes are of type relation_node, not size_t (this is
7465 merely a doc fix, since the two types are equivalent).
7466 (relation_transpose): Relation sizes are of type relation_node,
7467 not int.
7468 * src/relation.c: Likewise.
7469 (top, infinity): Now of type relation_node, not int.
7470 (traverse, relation_transpose): Use relation_node, not int.
7471
7472 * data/glr.c (yyuserAction, yyrecoverSyntaxError): Mark args
7473 with ATTRIBUTE_UNUSED if they're not used, to avoid GCC warning.
7474 (yyparse): Remove unused local introduced in 2004-10-25 patch.
7475
7476 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): New arg
7477 specifying whether the test should be skipped. Use it tp
7478 specify that the [%defines %skeleton "lalr1.cc"] tests currently
7479 fail on some hosts, and should be skipped.
7480
7481 2004-12-08 Paul Eggert <eggert@cs.ucla.edu>
7482
7483 * src/system.h (CALLOC, MALLOC, REALLOC): Remove. All callers
7484 changed to use xcalloc, xnmalloc, xnrealloc, respectively,
7485 unless otherwise specified below.
7486
7487 * src/LR0.c (allocate_itemsets): Use xnmalloc, not xcalloc,
7488 to allocate kernel_base, kernel_items, kernel_size, since
7489 they needn't be initialized to 0.
7490 (allocate_storgae): Likewise, for shiftset, redset, shift_symbol.
7491 * src/closure.c (new_closure): Likewise, for itemset.
7492 * src/derives.c (derives_compute): Likewise, for delts, derives, q.
7493 * src/lalr.c (set_goto_map): Likewise, for temp_map.
7494 (initialize_F): Likewise, for reads, edge, reads[i], includes[i].
7495 (build_relations): Likewise for edge, states1, includes.
7496 * src/nullable.c (nullable_compute): Likewise, for squeue, relts.
7497 * src/reader.c (packgram): Likewise, for ritem, rules.
7498 * src/reduce.c (nonterminals_reduce): Likewise for nontermmap.
7499 * src/relation.c (relation_digraph): Likewise for VERTICES.
7500 (relation_transpose): Likewise for new_R, end_R.
7501 * src/symtab.c (symbols_token_translations_init): Likewise for
7502 token_translations.
7503 * src/tables.c (save_row): Likewise for froms, tos, conflict_tos.
7504 (token_actions): Likewise for yydefact, actrow, conflrow,
7505 conflict_list.
7506 (save_column): Likewise for froms[symno], tos[symno].
7507 (goto_actions): Likewise for state_count.
7508 (pack_table): Likewise for base, pos, check.
7509 (tables_generate): Likewise for width.
7510
7511 * src/LR0.c (set_states): Don't reuse kernel_size and kernel_base
7512 for initial core. Just have a separate core, so we needn't worry
7513 about whether kernel_size and kernel_base are initialized.
7514
7515 * src/LR0.c (shift_symbol, redset, shiftset, kernel_base,
7516 kernel_size, kernel_items): Remove unnecessary initialization.
7517 * src/conflicts.c (conflicts): Likewise.
7518 * src/derives.c (derives): Likewise.
7519 * src/muscle_tablc (muscle_insert): Likewise.
7520 * src/relation.c (relation_digraph): Likewise.
7521 * src/tables.c (froms, tos, conflict_tos, tally, width, actrow, order,
7522 conflrow, conflict_table, conflict_list, table, check):
7523 Likewise.
7524
7525 * src/closure.c (new_closure): Arg is of type unsigned int, not int.
7526 This is because all callers pass unsigned int.
7527 * src/closure.h (new_closure): Likewise.
7528
7529 * src/lalr.c (initialize_F): Initialize reads[i] in all cases.
7530 (build_relations): Initialize includes[i] in all cases.
7531 * src/reader.c (packgram): Always initialize rules[ruleno].prec
7532 and rules[ruleno].precsym. Initialize members in order.
7533 * src/relation.c (relation_transpose): Always initialize new_R[i]
7534 and end_R[i].
7535 * src/table.c (conflict_row): Initialize 0 at end of conflict_list.
7536
7537 * src/output.c (prepare_actions): Pass 0 instead of conflict_list[0];
7538 conflict_list[0] was always 0, but now it isn't initialized.
7539
7540 * src/table.c (table_grow): When conflict_table grew, the grown
7541 area wasn't cleared. Fix this.
7542
7543 * lib/.cvsignore: Add strdup.c, strdup.h.
7544 * m4/.cvsignore: Add strdup.m4.
7545
7546 2004-12-07 Paul Eggert <eggert@cs.ucla.edu>
7547
7548 * src/lalr.h (GOTO_NUMBER_MAXIMUM): New macro.
7549 * src/lalr.c (set_goto_map): Don't allow ngotos to equal
7550 GOTO_NUMBER_MAXIMUM, since we occasionally compute
7551 ngotos + 1 without checking for overflow.
7552 (build_relations): Use END_NODE, not -1, to denote end of edges.
7553 * src/lalr.c (set_goto_map, map_goto, initialize_F, add_loopback_edge,
7554 build_relations): Use goto_number, not int, for goto numbers.
7555 * src/tables.c (save_column, default_goto): Likewise.
7556
7557 2004-11-23 Akim Demaille <akim@epita.fr>
7558
7559 * data/lalr1.cc (YYSTYPE): Define it as is done for C, instead
7560 of #defining from yystype.
7561 Don't typedef yystype, C++ does not need it.
7562 This lets it possible to forward declare it as union.
7563
7564 2004-11-23 Paul Eggert <eggert@cs.ucla.edu>
7565
7566 * bootstrap (gnulib_modules): Add extensions.
7567 Problem reported by Jim Meyering.
7568
7569 2004-11-22 Paul Eggert <eggert@cs.ucla.edu>
7570
7571 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c,
7572 src/lalr.c, src/nullable.c, src/relation.c, src/scan-skel.l,
7573 src/system.h, src/tables.c: XFREE -> free, to accommodate
7574 recent change to gnulib xalloc.h.
7575 Problem reported by Jim Meyering.
7576
7577 2004-11-17 Akim Demaille <akim@epita.fr>
7578
7579 * data/lalr1.cc (symprint_): Use cdebug_ to avoid warnings.
7580
7581 2004-11-17 Akim Demaille <akim@epita.fr>,
7582 Alexandre Duret-Lutz <adl@gnu.org>
7583
7584 * data/lalr1.cc (Parser::yycdebug_): New, a pointer, to allow
7585 changes.
7586 (YYCDEBUG): Adjust.
7587 Use it instead of cdebug_.
7588 (Parser::debug_stream, Parser::set_debug_stream): New.
7589 (Parser::symprint_): Define cdebug_ for temporary backward
7590 compatibility.
7591 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use
7592 debug_stream ().
7593
7594 2004-11-17 Akim Demaille <akim@epita.fr>
7595
7596 * data/lalr1.cc (Parser:print_): Remove, use %printer instead.
7597 * tests/regression.at (_AT_DATA_DANCER_Y): Adjust.
7598 * tests/calc.at (_AT_DATA_CALC_Y): Ditto.
7599 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
7600
7601 2004-10-27 Paul Eggert <eggert@cs.ucla.edu>
7602
7603 * data/glr.c (yyloc_default): Remove; not used.
7604 Problem reported by Frank Heckenbach.
7605
7606 2004-10-25 Akim Demaille <akim@epita.fr>
7607
7608 * data/glr.c (YYRHSLOC): Move its definition next to its uses.
7609 Introduce another definition to address simple location arrays.
7610 (yyGLRStack): New member: yyerror_range.
7611 (yyrecoverSyntaxError, yyparse): Update it.
7612 (yyrecoverSyntaxError): Use it when shifting the error token to
7613 have an accurate range, equivalent to the one computed by both
7614 yacc.c and lalr1.cc.
7615 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Change its yylex so
7616 that column numbers start at column 0, as per GNU Coding
7617 Standards, the others tests, and the doc.
7618 (_AT_RESOLVED_GLR_OUTPUT_WITH_LOC, _AT_AMBIG_GLR_OUTPUT_WITH_LOC):
7619 Adjust to the above change (first column is 0).
7620 And adjust the location of the "<error>", now covering the whole
7621 line.
7622
7623 2004-10-22 Akim Demaille <akim@epita.fr>
7624 and Paul Eggert <eggert@cs.ucla.edu>
7625
7626 Remove some arbitrary limits on goto numbers and relations.
7627 * src/lalr.c (goto_map, ngotos, from_state, to_state): Omit
7628 initial values, since they're never used.
7629 (set_goto_map): ngotos is now unsigned, so test for overflow
7630 by seeing whether it wraps around to zero.
7631 * src/lalr.h (goto_number): Now size_t, not short int.
7632 (GOTO_NUMBER_MAXIMUM): Remove.
7633 * src/relation.c (relation_print, traverse, relation_transpose):
7634 Check for END_NODE rather than looking at sign.
7635 * src/relation.h (END_NODE): New macro.
7636 (relation_node): Now size_t, not short int.
7637
7638 2004-10-22 Paul Eggert <eggert@cs.ucla.edu>
7639
7640 * doc/bison.texinfo (Language and Grammar): In example, "int" is a
7641 keyword, not an identifier. Problem reported by Baron Schwartz in
7642 <http://lists.gnu.org/archive/html/bug-bison/2004-10/msg00017.html>.
7643
7644 2004-10-11 Akim Demaille <akim@epita.fr>
7645
7646 * src/symtab.c (symbol_check_alias_consistency): Also check
7647 type names, destructors, and printers.
7648 Reported by Alexandre Duret-Lutz.
7649 Recode the handling of associativity and precedence in terms
7650 of symbol_precedence_set.
7651 Accept no redeclaration at all, not even equal to the previous
7652 value.
7653 (redeclaration): New.
7654 Use it to factor redeclaration complaints.
7655 (symbol_make_alias): Don't set the type of the alias, let
7656 symbol_check_alias_consistency do it as for other features.
7657 * src/symtab.h (symbol): Add new member prec_location, and
7658 type_location.
7659 * src/symtab.c (symbol_precedence_set, symbol_type_set): Set them.
7660 * tests/input.at (Incompatible Aliases): New.
7661
7662 2004-10-09 Paul Eggert <eggert@cs.ucla.edu>
7663
7664 .cvsignore fixes to accommodate gnulib changes,
7665 and the practice of naming build directories "_build".
7666 * .cvsignore: Add "_*". Sort.
7667 * lib/.cvsignore: Add getopt_.h, xalloc-die.c.
7668 * m4/.cvsignore: Add "*_gl.m4".
7669
7670 2004-10-06 Akim Demaille <akim@epita.fr>
7671
7672 * src/parse-gram.y (add_param): Fix the truncation of trailing
7673 spaces.
7674
7675 2004-10-05 Akim Demaille <akim@epita.fr>
7676
7677 In Bison 1.875's yacc.c, YYLLOC_DEFAULT was called regardless
7678 whether the reducion was empty or not. This leaves room to
7679 improve the use of YYLLOC_DEFAULT in such a case.
7680 lalr1.cc is still experimental, so changing this is acceptable.
7681 And finally, there are probably not many users who changed the
7682 handling of locations in GLR, so changing is admissible too.
7683
7684 * data/glr.c, data/lalr1.cc, data/yacc.c (YYLLOC_DEFAULT): On an
7685 empty reduction, set @$ to an empty location ending the previously
7686 stacked symbol.
7687 Adjust uses to make sure the code is triggered on empty
7688 reductions.
7689 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust the
7690 expected output: empty reductions have empty locations.
7691
7692 2004-09-29 Akim Demaille <akim@epita.fr>
7693
7694 * data/lalr1.cc: Move towards a more standard C++ coding style
7695 for templates: Class < T > -> Class<T>.
7696
7697 2004-09-29 Akim Demaille <akim@epita.fr>
7698
7699 * data/lalr1.cc: Reinstall the former ctor, for sake of
7700 compatibility, but warn it will be removed.
7701 Move towards a more standard C++ coding style (i.e., type *var ->
7702 type* var).
7703
7704 2004-09-27 Paul Eggert <eggert@cs.ucla.edu>
7705
7706 * src/parse-gram.y (add_param): Rewrite to avoid strchr,
7707 since it's less likely to work if NULs are involved in the future.
7708
7709 2004-09-27 Akim Demaille <akim@epita.fr>
7710
7711 * data/yacc.c (YY_LOCATION_PRINT): Fix its default declaration.
7712
7713 2004-09-27 Akim Demaille <akim@epita.fr>
7714
7715 * data/lalr1.cc (b4_parse_param_decl_1): New.
7716 (b4_parse_param_decl): Use it to have different names between attribute
7717 and argument names.
7718 (b4_cc_constructor_call): Likewise.
7719
7720 2004-09-24 Akim Demaille <akim@epita.fr>
7721
7722 * src/parse-gram.y (add_param): Strip the leading and trailing
7723 blanks from a formal argument declaration.
7724 (YY_LOCATION_PRINT): New.
7725
7726 2004-09-24 Akim Demaille <akim@epita.fr>
7727
7728 * data/c.m4 (b4_yysymprint_generate): Move the YYINPUT invocation
7729 after the location.
7730
7731 2004-09-24 Akim Demaille <akim@epita.fr>
7732
7733 * doc/bison.texinfo (Table of Symbols): Sort.
7734
7735 2004-09-21 Akim Demaille <akim@epita.fr>
7736
7737 * data/yacc.c, data/glr.c (b4_at_dollar, b4_dollar_dollar): Remove
7738 the useless parentheses.
7739 Suggested by Paul Eggert.
7740
7741 2004-09-20 Akim Demaille <akim@epita.fr>
7742
7743 Let the initial-action act on the look-ahead, and use it for the
7744 "initial push" (corresponding to an hypothetical beginning-of-file).
7745 And let lalr1.cc honor %initial-action.
7746
7747 * doc/bison.texinfo (Initial Action Decl): Clarify, and add an
7748 example.
7749 * data/lalr1.cc (Parser::initlocation_): Remove, bad experiment.
7750 (Parser::Parser): Remove the ctor that used to initialize it.
7751 (Parser::parse): Like in the other skeletons, issue the "starting
7752 parse" message before any action.
7753 Honor %initial-action.
7754 Initialize the stacks with the lookahead.
7755 * data/yacc.c: Let $$ and @$ in %initial-action designate the
7756 look-ahead.
7757 Push them in the stacks.
7758 * tests/actions.at, tests/calc.at: Adjust the C++ ctor invocations.
7759
7760 2004-09-20 Akim Demaille <akim@epita.fr>
7761
7762 * doc/bison.texinfo (Initial Action Decl): New.
7763
7764 2004-09-20 Akim Demaille <akim@epita.fr>
7765
7766 * data/yacc.c (YY_LOCATION_PRINT): Use YYLTYPE_IS_TRIVIAL as a
7767 clearer criterion to define it.
7768 (parse): Initialize the initial location when YYLTYPE_IS_TRIVIAL.
7769 When reducing on an empty RHS, use the latest stacked location as
7770 location.
7771 yylloc is not always available.
7772 * data/glr.c: Likewise.
7773 Also, honor initial-actions.
7774
7775 2004-09-20 Akim Demaille <akim@epita.fr>
7776
7777 * data/yacc.c (YY_LOCATION_PRINT): New.
7778 Define when we know YYLTYPE's structure, i.e., when the default
7779 YYLLOC_DEFAULT is used.
7780 * data/c.m4 (b4_yysymprint_generate): Use it.
7781 * data/lalr1.cc (YYLLOC_DEFAULT): Stop relying on the initial
7782 value of the result.
7783 (error_start_): Replace with...
7784 (error_range_): this location array.
7785 This allows to replace code relying on the implementation of
7786 locations by portable code.
7787 * data/yacc.c (yylerrsp): Replace with...
7788 (yyerror_range): this.
7789 Every time a token is popped, update yyerror_range[0], to have an
7790 accurate location for the error token.
7791 * data/glr.c (YY_LOCATION_PRINT): New.
7792 (yyprocessOneStack): Fix an invocation of YY_SYMBOL_PRINT:
7793 deference a pointer.
7794 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): No longer
7795 report the location in %printers.
7796
7797 * src/scan-skel.l: Instead of abort, report error messages to ease
7798 understanding skeleton scanning failures.
7799
7800 2004-09-16 Akim Demaille <akim@epita.fr>
7801
7802 * data/lalr1.cc (Stack::Iterator, Stack::ConstIterator): Rename as...
7803 (iterator, const_iterator): these, to be more in the C++ spirit.
7804 Also, return reverse iterators so that when displaying the stack
7805 we display its bottom first.
7806 (Parser::stack_print_, Parser::reduce_print_): Match the messages
7807 from yacc.c.
7808 We should probably use vector here though.
7809
7810 2004-09-16 Akim Demaille <akim@epita.fr>
7811
7812 Have more complete shift traces.
7813
7814 * data/yacc.c, data/lalr1.c, data/glr.c: Use YY_SYMBOL_PRINT
7815 to report Shifts instead of ad hoc YYDPRINTF invocations,
7816 including for the error token.
7817 * data/lalr1.cc (symprint_): Output the location.
7818 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): In C++, don't
7819 output the location within the %printer.
7820 Activate GLR tests, at least to make sure they compile properly.
7821 They still don't pass though.
7822 * tests/calc.at: Adjust expect verbose output, since now "Entering
7823 state..." is on a different line than the "Shifting" message.
7824
7825 2004-09-08 Akim Demaille <akim@epita.fr>
7826
7827 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Move the
7828 Bison directive from the Bison file to the invocation of this
7829 macro, so that these directives are passed to
7830 AT_BISON_OPTION_PUSHDEFS to get correct help macros.
7831 Use these helping macros (e.g., AT_LOC, AT_VAL and so forth).
7832 Move the AT_SETUP/AT_CLEANUP outside, to report as test title
7833 the extra Bison directives instead of the whole series.
7834 Change the grammar so that there are recoverable errors, and
7835 unrecoverable errors. Now we can have the parser give up before
7836 consuming the whole input. As a result we now can observe that
7837 the lookahead is freed when needed.
7838 Change the parser source to parse argv[1] instead of a hard coded
7839 string.
7840 Simplify yylex, and give a value and location to EOF.
7841 Simplify some invocations of AT_CHECK_PRINTER_AND_DESTRUCTOR that
7842 passed directives already coded in the file.
7843 Add some tests to check the location of "error".
7844 For some tests, the C++ parser is correct, and not yacc.c.
7845 For other tests, they provide different, but unsatisfying, values,
7846 so keep the C++ value so that at least one parser is "correct"
7847 according to the test suite.
7848 (Actions after errors): Remove, this is subsumed by the
7849 AT_CHECK_PRINTER_AND_DESTRUCTOR series.
7850
7851 2004-09-06 Akim Demaille <akim@epita.fr>
7852
7853 * data/lalr1.cc: Adjust the indentation of the labels.
7854 (Parser::pop): New.
7855 Use it.
7856
7857 2004-09-06 Akim Demaille <akim@epita.fr>
7858
7859 * data/yacc.cc, data/glr.cc (yydestruct): Accept an additional
7860 argument, an informative message.
7861 Call YY_SYMBOL_PRINT.
7862 Adjust all callers: integrate the associated YY_SYMBOL_PRINT.
7863 * data/lalr1.cc (destruct_): Likewise.
7864 In addition, no longer depend on b4_yysymprint_generate and
7865 b4_yydestruct_generate to generate these functions, do it "by
7866 hand".
7867
7868 2004-09-03 Akim Demaille <akim@epita.fr>
7869
7870 * data/glr.c, data/lalr1.cc, data/yacc.c: When YYABORT was
7871 invoked, yydestruct the lookahead.
7872 * tests/calc.at (Calculator $1): Update the expected lengths of
7873 traces: there is an added line for the discarded lookahead.
7874 * doc/bison.texinfo (Destructor Decl): Some rewording.
7875 Define "discarded" symbols.
7876
7877 2004-09-02 Akim Demaille <akim@epita.fr>
7878
7879 * data/lalr1.cc (translate_, destruct_): No reason to be static.
7880
7881 2004-09-02 Akim Demaille <akim@epita.fr>
7882
7883 * data/glr.c, yacc.c (YYDSYMPRINT): Remove, not used.
7884 (YYDSYMPRINTF): Rename as...
7885 (YY_SYMBOL_PRINT): this.
7886 * data/lalr1.cc (YY_SYMBOL_PRINT): New, modeled after the previous
7887 two.
7888 Use it instead of direct symprint_ calls.
7889 (yybackup): Tweak the "Now at end of input" case to match yacc.c's
7890 one.
7891
7892 2004-09-02 Akim Demaille <akim@epita.fr>
7893
7894 * data/lalr1.cc (b4_yysymprint_generate): New.
7895 (symprint_): New member function, defined when YYDEBUG.
7896 Use it consistently instead of token/nterm debugging output by
7897 hand.
7898 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust
7899 %printer calls to use cdebug_ when using lalr1.cc.
7900
7901 2004-08-30 Florian Krohm <florian@edamail.fishkill.ibm.com>
7902
7903 * data/glr.c: Guard the declarations of yypstack and yypdumpstack
7904 with #ifdef YYDEBUG.
7905
7906 2004-08-26 Akim Demaille <akim@epita.fr>
7907
7908 * doc/bison.texinfo (Implementing Loops): Rename as...
7909 (Implementing Gotos/Loops): this.
7910
7911 2004-08-13 Paul Eggert <eggert@cs.ucla.edu>
7912
7913 Adjust to latest gnulib.
7914 * bootstrap (gnulib_modules): Add xalloc-die.
7915 Set LC_ALL=C so that file names sort consistently.
7916 Prefer the gnulib copies of gettext.m4, glibc21.m4,
7917 inttypes_h.m4, lib-ld.m4, lib-prefix.m4, po.m4, stdint_h.m4,
7918 uintmax_t.m4, ulonglong.m4.
7919 (intl_files_to_remove): Add gettext.m4, lib-ld.m4, lib-prefix.m4,
7920 po.m4 since we are now using _gl.m4 instead.
7921
7922 2004-08-10 Florian Krohm <florian@edamail.fishkill.ibm.com>
7923
7924 * src/scan-action.l: Remove. Scanning of semantic actions is
7925 handled in scan-gram.l.
7926
7927 2004-08-07 Florian Krohm <florian@edamail.fishkill.ibm.com>
7928
7929 * src/scan-gram.l (handle_syncline): Use uniqstr_new not xstrdup.
7930
7931 * src/location.h (struct): The file member is a uniqstr.
7932 (equal_boundaries): Use UNIQSTR_EQ for comparison.
7933
7934 2004-07-22 Paul Eggert <eggert@cs.ucla.edu>
7935
7936 Fix bug with non-%union parsers that have printers or destructors,
7937 which led to a Bison core dump. Reported by Peter Fales in
7938 <http://lists.gnu.org/archive/html/bug-bison/2004-07/msg00014.html>.
7939
7940 * data/c.m4 (b4_symbol_actions): Don't assume %union was used.
7941 * data/lalr1.cc (yystype) [defined YYSTYPE]: Define to YYSTYPE,
7942 not to our own type.
7943 * src/output.c (symbol_destructors_output, symbol_printers_output):
7944 Don't assume %union.
7945 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR,
7946 AT_CHECK_PRINTER_AND_DESTRUCTOR): New argument
7947 UNION-FLAG. All callers changed.
7948 (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't assume %union.
7949 Use type char, not unsigned int, when declaring an array of char;
7950 this lets us remove a cast.
7951 (Printers and Destructors): Add non-%union test cases.
7952
7953 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
7954
7955 * doc/bison.texinfo: Minor editorial changes, mostly to the new
7956 GLR writeups. E.g., avoid frenchspacing and the future tense,
7957 change "lookahead" to "look-ahead", and change "wrt" to "with
7958 respect to".
7959
7960 2004-06-21 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
7961
7962 * doc/bison.texinfo (Merging GLR Parses, Compiler Requirements):
7963 New sections, split off from the GLR Parsers section. Put the new
7964 Simple GLR Parser near the start of the GLR section, for clarity.
7965 Rewrite connective text.
7966
7967 2004-06-21 Frank Heckenbach <frank@g-n-u.de>
7968
7969 * doc/bison.texinfo (Simple GLR Parsers): New section.
7970
7971 2004-06-21 Paul Eggert <eggert@cs.ucla.edu>
7972
7973 * NEWS, TODO, doc/bison.texinfo:
7974 Use "look-ahead" instead of "lookahead", to be consistent.
7975 * REFERENCES: Fix incorrect reference to DeRemer and Pennello,
7976 while we're fixing "look-ahead".
7977 * src/conflicts.c (shift_set): Renamed from shiftset.
7978 (look_ahead_set): Renamed from lookaheadset.
7979 * src/print.c: Likewise.
7980 * src/getargs.c (report_args): Add "look-ahead" as the new canonical
7981 name for "lookahead".
7982 (report_types, usage): Likewise.
7983 * src/getargs.h (report_look_ahead_tokens): Renamed from
7984 report_lookaheads.
7985 * src/lalr.c (compute_look_ahead_tokens): Renamed from
7986 compute_lookaheads.
7987 (state_look_ahead_tokens_count): Renamed from state_lookaheads_count.
7988 (look_ahead_tokens_print): Renamed from lookaheads_print.
7989 * src/state.c (state_rule_look_ahead_tokens_print): Renamed from
7990 state_rule_lookaheads_print.
7991 * src/state.h: Likewise.
7992 (reductions.look_ahead_tokens): Renamed from lookaheads.
7993 * tests/torture.at (AT_DATA_LOOK_AHEAD_TOKENS_GRAMMAR): Renamed from
7994 AT_DATA_LOOKAHEADS_GRAMMAR.
7995
7996 2004-06-03 Paul Eggert <eggert@cs.ucla.edu>
7997
7998 * README: Update location of patched M4 distribution.
7999
8000 2004-05-30 Albert Chin-A-Young <china@thewrittenword.com>
8001
8002 Don't assume the C++ compiler takes the same arguments as the C compiler
8003 (trivial change).
8004 * configure.ac (O0CXXFLAGS): New var.
8005 * tests/atlocal.in (CXXFLAGS): Use it.
8006
8007 2004-05-29 Paul Eggert <eggert@cs.ucla.edu>
8008
8009 Fix some "make check" problems with C++ reported by
8010 Albert Chin-A-Young for Tru64 C++ in this thread:
8011 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00049.html
8012
8013 * m4/cxx.m4 (BISON_TEST_FOR_WORKING_CXX_COMPILER): Check for std::cerr.
8014 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
8015 Output to a .cc file for C++, not to a .c file.
8016 * tests/calc.at (AT_CHECK_CALC): Likewise.
8017 * tests/regression.at (AT_CHECK_DANCER): Likewise.
8018 * tests/local.at (AT_COMPILE_CXX): Default to OUTPUT.cc, not OUTPUT.c.
8019
8020 2004-05-28 Albert Chin-A-Young <china@thewrittenword.com>
8021
8022 * tests/calc.at, tests/actions.at: Workaround for SGI
8023 C++ compiler. (trivial change)
8024
8025 2004-05-27 Paul Eggert <eggert@cs.ucla.edu>
8026
8027 Spent a few hours checking out which prerequisite versions the
8028 current sources actually require. I went all the way back to
8029 Gettext 0.10.40, Automake 1.4, and Autoconf 2.57 and investigated
8030 a seemingly endless set of combinations of versions more recent
8031 than that. The bottom line is that the current sources require
8032 fairly recent versions of the build tools, and it'll be some work
8033 to change this.
8034 * configure.ac (AC_PREREQ): Increase from 2.58 to 2.59.
8035 (AM_INIT_AUTOMAKE): Increase from 1.7 to 1.8.
8036 (AM_GNU_GETTEXT_VERSION): Increase from 0.11.5 to 0.12.
8037 Add comments explaining why those particular versions are
8038 currently needed.
8039
8040 * src/parse-gram.y (lloc_default): Rewrite to avoid compiler bug
8041 in SGI MIPSpro 7.4.1m. Problem reported by Albert Chin-A-Young in
8042 <http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00037.html>.
8043
8044 * configure.ac (AC_PREREQ): Bump to 2.58, since 2.57 doesn't work
8045 (it fails with a Autoconf-without-aclocal-m4 diagnostic).
8046
8047 2004-05-26 Paul Eggert <eggert@cs.ucla.edu>
8048
8049 * configure.ac (AM_GNU_GETTEXT_VERSION): Lower it from 0.14.1 to
8050 0.11.5. Suggested by Bruno Haible.
8051 * bootstrap: Remove gettext version checking.
8052
8053 * doc/bison.texinfo (Decl Summary): Also mention that %union
8054 can depend on prerequisite types. Problem reported by Tim
8055 Van Holder.
8056
8057 2004-05-25 Paul Eggert <eggert@cs.ucla.edu>
8058
8059 * README: Mention GNU m4 1.4 bugs and Akim's patched version.
8060 * README-alpha: Don't tell people not to package this.
8061
8062 * bootstrap: Don't assume $(...) works; use `...` instead.
8063 Problem reported by Paul Hilfinger. Also, diagnose non-GNU
8064 gettext better.
8065
8066 * doc/bison.texinfo (Decl Summary, Bison Options): Clarify what's
8067 put into the -d output file, and mention what to do if YYSTYPE is
8068 defined as a macro.
8069
8070 2004-05-24 Paul Eggert <eggert@cs.ucla.edu>
8071
8072 Undo change made earlier today: it caused autopoint to not bring
8073 in ABOUT-NLS. Ouch. Instead, substitute our own diagnostic for
8074 autopoint's.
8075
8076 * bootstrap: Check that gettext version matches what's in
8077 configure.ac. Warn users to ignore robots.txt ERROR 404.
8078 * bootstrap: Undo today's earlier change (logged below).
8079 * configure.ac (AM_GNU_GETTEXT_VERSION): Likewise.
8080
8081 The gettext version checking is causing more trouble than it's
8082 curing; remove it. Problem reported by Paul Hilfinger.
8083
8084 * bootstrap: Issue a warning that one can expect a message
8085 'AM_GNU_GETTEXT is used, but not AM_GNU_GETTEXT_VERSION'.
8086 * configure.ac (AM_GNU_GETTEXT_VERSION): Remove.
8087
8088 2004-05-23 Paul Eggert <eggert@cs.ucla.edu>
8089
8090 Ensure that the C++ compiler used for testing actually works on a
8091 simple test program; if not, skip the C++-related tests. Problem
8092 reported by Vin Shelton in:
8093 http://lists.gnu.org/archive/html/bug-bison/2004-05/msg00026.html
8094
8095 * m4/cxx.m4: New file.
8096 * configure.ac (BISON_TEST_FOR_WORKING_CXX_COMPILER): Add.
8097 * tests/atlocal.in (BISON_CXX_WORKS): Add.
8098 * tests/local.at (AT_COMPILE_CXX): Use it.
8099
8100 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
8101
8102 * data/glr.c (yylloc): Output this macro even if locations are not
8103 being generated, as the GLR parser needs it even in that case.
8104 Problem reported by Troy A. Johnson
8105 <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=195946>.
8106
8107 * configure.ac (AC_INIT): Update to 1.875e.
8108
8109 2004-05-21 Paul Eggert <eggert@cs.ucla.edu>
8110
8111 * NEWS: Version 1.875d.
8112 * configure.ac (AC_INIT): Likewise.
8113 * src/parse-gram.c, src/parse-gram.h: Regenerate with 1.875d.
8114
8115 * configure.ac (--enable-gcc-warnings): Do not enable -Wshadow,
8116 -Wmissing-prototypes, or -Wstrict-prototypes for C++. The current
8117 lalr1.cc runs afoul of the first, and the last two are no longer
8118 supported by GCC 3.4.0.
8119 * README: Mention GNU m4 1.4 or later; mention m4 patches.
8120 * HACKING: Use ./bootstrap, not "make update" to import foreign files.
8121
8122 2004-05-06 Paul Eggert <eggert@cs.ucla.edu>
8123
8124 * src/muscle_tab.c (hash_muscle): Accept and return size_t, not
8125 unsigned int, for compatibility with latest gnulib hash module.
8126 * src/state.c (state_hash, state_hasher): Likewise.
8127 * src/symtab.c (hash_symbol, hash_symbol_hasher): Likewise.
8128 * src/uniqstr.c (hash_uniqstr): Likewise.
8129
8130 2004-05-03 Paul Eggert <eggert@cs.ucla.edu>
8131
8132 * NEWS: Unescaped newlines are no longer allowed in char & strings.
8133
8134 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER,
8135 SC_CHARACTER,SC_STRING>): Reject unescaped newlines in
8136 character and string literals.
8137 (unexpected_end): New function.
8138 (unexpected_eof): Use it.
8139 (unexpected_newline): New function.
8140 (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>): Coalesce duplicate
8141 actions.
8142
8143 * NEWS: Document %expect-rr.
8144
8145 * bootstrap (--gnulib-srcdir=*, --cvs-user=*):
8146 Fix typo by replacing $1 with $option.
8147 Remove more 'intl'-related files.
8148 Don't DEFUN AM_INTL_SUBDIR twice.
8149
8150 * lib/.cvsignore: Add strndup.h. Remove memchr.c, memcmp.c,
8151 memrchr.c, strcasecmp.c, strchr.c, strrchr.c, strspn.c, strtol.c,
8152 strtoul.c.
8153 * m4/.cvsignore: Add exitfail.m4, extensions.m4, gnulib.m4,
8154 hard-locale.m4, mbstate_t.m4, strerror_r.m4, strndup.m4,
8155 xstrndup.m4. Remove glibc21.m4, intdiv0.m4, inttypes-pri.m4,
8156 inttypes.m4, inttypes_h.m4, isc-posix.m4, lcmessage.m4,
8157 stdint_h.m4, uintmax_t.m4, ulonglong.m4.
8158 * src/.cvsignore: Add *.output.
8159
8160 * src/parse-gram.y: Put copyright notice inside %{ %} so it
8161 gets copied to the output file.
8162
8163 2004-04-28 Paul Eggert <eggert@twinsun.com>
8164
8165 Get files from the gnulib and po repositories, instead of relying
8166 on them being in our CVS. Upgrade to latest versions of gnulib
8167 and Automake.
8168
8169 * Makefile.am (SUBDIRS): Remove m4; Automake now does m4.
8170 * bootstrap: Bootstrap from gnulib and po repositories.
8171 Much of this code was stolen from GNU diff and GNU tar's bootstrap.
8172 * README-cvs: Document these changes. Remove version numbers from
8173 mentions of build tools, since they change so often. Mention Flex.
8174
8175 * configure.ac (AC_CONFIG_MACRO_DIR): Add, with m4 as arg.
8176 (gl_USE_SYSTEM_EXTENSIONS): Add.
8177 (AC_GNU_SOURCE, AC_AIX, AC_MINIX):
8178 Remove; no longer needed, as gl_USE_SYSTEM_EXTENSIONS
8179 does this for us.
8180 (AC_ISC_POSIX): Remove; we no longer support this
8181 ancient OS, as it gets in the way of latest Autoconf & gnulib.
8182 (AC_HEADER_STDC): Remove: we now assume C89 or better.
8183 (AC_CHECK_HEADERS_ONCE): Use instead of AC_CHECK_HEADERS.
8184 Do not check for C89 headers, except for locale.h which is used
8185 by the Yacc library and must port to K&R hosts.
8186 (AC_CHECK_FUNCS_ONCE): Use instead of AC_CHECK_FUNCS.
8187 Do not check for C89 functions, except for setlocale which is
8188 used by the Yacc library.
8189 (AC_CHECK_DECLS, AC_REPLACE_FUNCS): Remove; no longer needed.
8190 (gl_DIRNAME, gl_ERROR, gl_FUNC_ALLOCA, gl_FUNC_MEMCHR,
8191 gl_FUNC_MEMRCHR, gl_FUNC_STPCPY, gl_FUNC_STRNLEN, gl_FUNC_STRTOL,
8192 gl_GETOPT, gl_HASH, gl_MBSWIDTH, gl_OBSTACK, gl_QUOTE,
8193 gl_QUOTEARG, gl_XALLOC, jm_FUNC_GLIBC_UNLOCKED_IO, jm_FUNC_MALLOC,
8194 AM_GNU_GETTEXT): Remove; now done by:
8195 (GNULIB_AUTOCONF_SNIPPET): Add. "bootstrap" builds this for us.
8196 (AC_CONFIG_FILES): Remove m4/Makefile, as Automake now does this
8197 for us.
8198
8199 * lib/Makefile.am: Include gnulib.mk, built for us by "bootstrap".
8200 (BUILT_SOURCES, EXTRA_DIST, MOSTLYCLEANFILES):
8201 Define to empty, as gnulib.mk will do the rest for us.
8202 ($(libbison_a_OBJECTS), stdbool.h): Remove, as gnulib.mk does this
8203 for us.
8204 (libbison_a_SOURCES): Define to $(lib_SOURCES) now.
8205 (lib_SOURCES): New symbol, containing only the non-gnulib libs.
8206
8207 * src/files.c: Include gnulib's xstrndup.h.
8208
8209 * src/system.h (MALLOC): Use xnmalloc, for better overflow checking.
8210 (REALLOC): Use xnrealloc, for likewise.
8211 (xstrndup, stpcpy): Remove decls, as gnulib does this for us now.
8212 (strnlen, memrchr): Remove decls; functions no longer used.
8213 Include <stpcpy.h>.
8214
8215 * config/depcomp, config/install-sh, lib/alloca.c, lib/argmatch.c,
8216 lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
8217 lib/error.c, lib/error.h, lib/getopt.c, lib/getopt.h,
8218 lib/getopt1.c, lib/gettext.h, lib/hash.c, lib/hash.h,
8219 lib/malloc.c, lib/mbswidth.c, lib/mbswidth.h, lib/memchr.c,
8220 lib/memcmp.c, lib/memrchr.c, lib/obstack.c, lib/obstack.h,
8221 lib/quote.c, lib/quote.h, lib/quotearg.c, lib/quotearg.h,
8222 lib/realloc.c, lib/stdbool_.h, lib/stpcpy.c, lib/strcasecmp.c,
8223 lib/strchr.c, lib/strncasecmp.c, lib/strnlen.c, lib/strrchr.c,
8224 lib/strspn.c, lib/strtol.c, lib/strtoul.c, lib/unlocked-io.h,
8225 lib/xalloc.h, lib/xmalloc.c, lib/xstrdup.c, lib/xstrndup.c,
8226 m4/Makefile.am, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
8227 m4/error.m4, m4/getopt.m4, m4/hash.m4, m4/malloc.m4,
8228 m4/mbrtowc.m4, m4/mbswidth.m4, m4/memchr.m4, m4/memcmp.m4,
8229 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/prereq.m4,
8230 m4/quote.m4, m4/quotearg.m4, m4/realloc.m4, m4/stdbool.m4,
8231 m4/stpcpy.m4, m4/strnlen.m4, m4/strtol.m4, m4/strtoul.m4,
8232 m4/unlocked-io.m4, m4/xalloc.m4, po/LINGUAS, po/Makefile.in.in,
8233 po/Makevars, po/da.po, po/de.po, po/es.po, po/et.po, po/fr.po,
8234 po/hr.po, po/id.po, po/it.po, po/ja.po, po/ms.po, po/nl.po,
8235 po/pt_BR.po, po/ro.po, po/ru.po, po/sv.po, po/tr.po:
8236 Remove, as these files are now generated automatically
8237 by bootstrap or automake.
8238
8239 * po/ChangeLog: Remove: all but one entry was a duplicate
8240 of this file, and I moved that 2000-11-02 entry here.
8241
8242 * config/.cvsignore: Add Makefile, depcomp, install-sh.
8243 * lib/.cvsignore: Add alloca.c, alloca.h, alloca_.h, argmatch.c,
8244 argmatch.h, basename.c, dirname.c, dirname.h, error.c, error.h,
8245 exit.h, exitfail.c, exitfail.h, getopt.c, getopt.h, getopt1.c,
8246 getopt_int.h, gettext.h, gnulib.mk, hard-locale.c, hard-locale.h,
8247 hash.c, hash.h, malloc.c, mbswidth.c, mbswidth.h, memchr.c,
8248 memcmp.c, memrchr.c, obstack.c, obstack.h, quote.c, quote.h,
8249 quotearg.c, quotearg.h, realloc.c, stdbool_.h, stpcpy.c, stpcpy.h,
8250 strcasecmp.c, strchr.c, stripslash.c, strncasecmp.c, strndup.c,
8251 strnlen.c, strrchr.c, strspn.c, strtol.c, strtoul.c,
8252 unlocked-io.h, xalloc.h, xmalloc.c, xstrdup.c, xstrndup.c,
8253 xstrndup.h.
8254 * m4/.cvsignore: Remove Makefile, Makefile.in. Add alloca.m4,
8255 dirname.m4, dos.m4, error.m4, getopt.m4, hash.m4, mbrtowc.m4,
8256 mbswidth.m4, obstack.m4, onceonly.m4, quote.m4, quotearg.m4,
8257 stdbool.m4, stpcpy.m4, strnlen.m4, unlocked-io.m4, xalloc.m4.
8258 * po/.cvsignore: Add *.po, LINGUAS, Makefile.in.in, Makevars.
8259 * src/.cvsignore: Remove *_.c.
8260
8261
8262 * Makefile.maint (GZIP_ENV): Don't use --rsyncable if gzip doesn't
8263 support it. (The latest stable gzip doesn't.)
8264
8265 2004-04-27 Paul Eggert <eggert@twinsun.com>
8266
8267 * data/lalr1.cc (Parser::stos_) [! YYDEBUG]: Define even in this
8268 case, as stos_ is now used by destructors due to the 2004-02-09
8269 change.
8270
8271 Remove more K&R C support.
8272 * lib/libiberty.y (PARAMS): Remove. All uses removed.
8273 * lib/subpipe.c (errno): Remove decl.
8274 Include <stdlib.h> unconditionally.
8275 (EXIT_FAILURE): Remove macro.
8276 * src/complain.c (vfprintf, strerror): Remove.
8277 * src/system.h: Include limits.h, stdlib.h, string.h, locale.h
8278 unconditionally.
8279 (EXIT_FAILURE, EXIT_SUCCESS, setlocale): Remove defns.
8280 Use latest Autoconf recommendations for including inttypes.h, stdint.h.
8281 (strchr, strspn, memchr): Remove decls.
8282 * tests/calc.at (_AT_DATA_CALC_Y): Include stdlib.h, string.h
8283 unconditionally. Do not declare perror.
8284 * tests/conflicts.at (%nonassoc and eof): Include stdlib.h
8285 unconditionally.
8286
8287 * src/complain.c (_): Remove useless defn, as system.h defines this.
8288
8289 * lib/bitset.h (__INT_TO_PTR): Remove; workaround no longer needed
8290 with latest obstack.h.
8291 * lib/ebitset.c (ebitset_elt_alloc): Don't bother to cast args
8292 to procedure types, as obstack.h now does that for us.
8293 * lib/lbitset.c (lbitset_elt_alloc): Likewise.
8294
8295 * lib/subpipe.h [HAVE_SYS_TYPES_H]: Include <sys/types.h>,
8296 so that this include file can stand alone.
8297 * lib/subpipe.c: Do not include <sys/types.h>, as subpipe.h
8298 does this now. Include subpipe.h first after config.h, to
8299 test whether it can stand alone.
8300
8301 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Don't
8302 declare yyerror when using lalr.cc, as GCC 3.4.0 warns about the
8303 unused declaration.
8304
8305 * tests/synclines.at (%union synch line): Put a dummy member in
8306 the union, because empty unions aren't allowed in C. Caught
8307 by GCC 3.4.0.
8308
8309 2004-04-13 Jim Meyering <jim@meyering.net>
8310
8311 * src/conflicts.c (conflicts_print): Correct format string typo:
8312 use `%%' to produce literal `%'. (trivial change)
8313
8314 2004-03-30 Paul Eggert <eggert@twinsun.com>
8315
8316 * src/getargs.c (version): Update copyright year to 2004.
8317
8318 * data/c.m4 (b4_int_type): Use 'short int' rather than
8319 'short', and similarly for 'long', 'unsigned', etc.
8320 * data/glr.c (YYTRANSLATE, yyconfl, yySymbol, yyItemNum,
8321 yygetLRActions, yyprocessOneStack, yyrecoverSyntaxError,
8322 yy_yypstack, yydumpstack): Likewise.
8323 * data/lalr1.cc (user_token_number_max_, user_token_number_max_,
8324 translate_, seq_, [], pop, Slice, range_, operator+, operator+=):
8325 Likewise.
8326 * data/yacc.c (b4_int_type, yyss, YYSTACK_BYTES, yysigned_char,
8327 yy_stack_print, yyparse): Likewise.
8328 * doc/bison.texinfo (Prologue, Multiple Types): Likewise.
8329 * lib/bbitset.h (bitset_word, BITSET_WORD_BITS): Likewise.
8330 * lib/bitset.c (bitset_print): Likewise.
8331 * lib/bitset_stats.c (bitste_log_histogram_print): Likewise.
8332 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
8333 * lib/bitsetv.c (bitsetv_dump): Likewise.
8334 * lib/ebitset.c (EBITSET_ELT_BITS, ebitset_elt_alloc): Likewise.
8335 * lib/lbitset.c (LBITSET_ELT_BITS, lbitset_elt_alloc, debug_lbitset):
8336 Likewise.
8337 * src/LR0.c (allocate_itemsets): Likewise.
8338 * src/gram.h (rule_number, rule): Likewise.
8339 * src/lalr.h (goto_number): Likewise.
8340 * src/nullable.c (nullable_compute): Likewise.
8341 * src/output.c (prepare_rules): Likewise.
8342 * src/relation.c (relation_print, relation_digraph): Likewise.
8343 * src/relation.h (relation_node): Likewise.
8344 * src/state.h (state_number, transitions, errs, reductions,
8345 struct state): Likewise.
8346 * src/symtab.h (symbol_number, struct symbol): Likewise.
8347 * src/tables.c (vector_number, tally, action_number,
8348 default_goto, goto_actions): Likewise.
8349 * tests/existing.at (GNU Cim Grammar): Likewise.
8350 * tests/regression.at (Web2c Actions): Likewise.
8351
8352 * src/output.c (muscle_insert_short_int_table): Renamed from
8353 muscle_insert_short_table. All uses changed.
8354
8355 2004-03-25 Paul Hilfinger <hilfingr@tully.CS.Berkeley.EDU>
8356
8357 * src/parse-gram.y: Define PERCENT_EXPECT_RR.
8358 (declaration): Replace expected_conflicts with expected_sr_conflicts.
8359 Add %expect-rr rule.
8360
8361 * src/scan-gram.l: Recognize %expect-rr.
8362
8363 * src/conflicts.h (expected_sr_conflicts): Rename from
8364 expected_conflicts.
8365 (expected_rr_conflicts): Declare.
8366
8367 * src/conflicts.c (expected_sr_conflicts): Rename from
8368 expected_conflicts.
8369 (expected_rr_conflicts): Define.
8370 (conflicts_print): Check r/r conflicts against expected_rr_conflicts
8371 for GLR parsers.
8372 Use expected_sr_conflicts in place of expected_conflicts.
8373 Warn if expected_rr_conflicts used in non-GLR parser.
8374
8375 * doc/bison.texinfo: Add documentation for %expect-rr.
8376
8377 2004-03-08 Paul Eggert <eggert@gnu.org>
8378
8379 Add support for hex token numbers. Suggested by Odd Arild Olsen in
8380 <http://lists.gnu.org/archive/html/bison-patches/2004-03/msg00000.html>.
8381
8382 * NEWS: Document hexadecimal tokens, no NUL bytes, %destructor
8383 in lalr1.cc.
8384 * doc/bison.texinfo (Token Decl): Add hexadecimal token numbers.
8385 * src/scan-gram.l (scan_integer): New function.
8386 ({int}): Use it.
8387 (0[xX][0-9abcdefABCDEF]+): New pattern, to support hex numbers.
8388 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>, \\x[0-9abcdefABCDEF]+,
8389 handle_action_dollar, handle_action_at, convert_ucn_to_byte):
8390 Say "long int", not "long", for uniformity with GNU style.
8391
8392 2004-02-25 Paul Eggert <eggert@twinsun.com>
8393
8394 * tests/local.at (AT_COMPILE, AT_COMPILE_CXX): Ignore stdout from
8395 compilers. This fixes a problem with Intel's C++ compiler being
8396 chatty, reported by Guido Trentalancia in
8397 <http://lists.gnu.org/archive/html/bug-bison/2004-02/msg00030.html>.
8398
8399 2004-02-09 Alexandre Duret-Lutz <adl@gnu.org>
8400
8401 Support %destructor and merge error locations in lalr1.cc.
8402
8403 * data/lalr1.cc (b4_cxx_destruct_def): New macro.
8404 (Parser::stos_): Define unconditionally.
8405 (Parser::destruct_): New method. Generate its body with
8406 b4_yydestruct_generate.
8407 (Parser::error_start_): New attribute.
8408 (Parser::parse) <yyerrlab, yyerrlab1>: Call destruct_ on erroneous
8409 token which are discarded.
8410 (Parser::parse) <yyerrlab, yyerrorlab, yyerrlab1>: Update
8411 error_start_ when erroneous token are discarded.
8412 (Parser::parse) <yyerrlab1>: Compute the location of the error
8413 token so that it covers all the discarded tokens.
8414 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Adjust so
8415 it can be called with `%skeleton "lalr1.cc"', and do that.
8416
8417 2004-02-02 Paul Eggert <eggert@twinsun.com>
8418
8419 * src/Makefile.am (AM_CPPFLAGS): New macro. It mentions
8420 $(top_srcdir)/lib and ../lib. This fixes a bug reported
8421 by Paul Hilfinger; the old INCLUDES value didn't mention ../lib.
8422 There's no need to mention top_builddir since Automake does that
8423 for us.
8424 (INCLUDES): Remove, as Automake says it's obsolescent.
8425 Contents migrated into AM_CPPFLAGS as described above.
8426 * lib/Makefile.am (INCLUDES): Remove; obsolescent.
8427
8428 2004-01-14 Paul Hilfinger <hilfingr@CS.Berkeley.EDU>
8429
8430 * data/glr.c (yytokenName): Bullet-proof against YYEMPTY token.
8431 (yyreportSyntaxError): Handle case where lookahead token is
8432 YYEMPTY.
8433
8434 2004-01-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
8435
8436 * data/glr.c: Put casts on uses of YYREALLOC and YYMALLOC so that
8437 resulting parsers are compilable with C++.
8438
8439 2003-12-23 Paul Eggert <eggert@twinsun.com>
8440
8441 * config/depcomp, config/install-sh: Sync with Automake 1.8.
8442 * src/output.c (output_skeleton): Rename local var.
8443 * tests/input.at (Torturing the Scanner): Don't use \x0 or \0 in
8444 Bison tokens, as this runs afoul of the 2003-10-07 change that
8445 disallowed NUL bytes in character constants or string literals.
8446
8447 * tests/local.at: Require Autoconf 2.59's Autotest.
8448 * tests/testsuite.at: Don't include local.at, since we now assume
8449 Autoconf 2.59 or later. Autoconf 2.59 had some problems with
8450 including it.
8451 * tests/Makefile.am ($(TESTSUITE)): Remove warning about ignoring
8452 multiple inclusion warnings.
8453
8454 2003-12-02 Akim Demaille <akim@epita.fr>
8455
8456 * doc/bison.texinfo (How Can I Reset the Parser): More about start
8457 conditions.
8458 From Bruno Haible.
8459
8460 2003-11-18 Alexandre Duret-Lutz <adl@gnu.org>
8461
8462 * doc/bison.texinfo (Bison Options): Escape `@' in `$@'.
8463
8464 2003-10-07 Paul Eggert <eggert@twinsun.com>
8465
8466 * tests/Makefile.am (clean-local): Don't run 'testsuite --clean'
8467 if testsuite doesn't exist.
8468
8469 * doc/bison.texinfo (Symbols): NUL bytes are not allowed in string
8470 literals, unfortunately.
8471 * src/scan-gram.l (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>):
8472 Complain about NUL bytes in character constants or string literals.
8473
8474 2003-10-05 Paul Eggert <eggert@twinsun.com>
8475
8476 * NEWS: Don't document %no-default-prec, as it's still
8477 too experimental.
8478 * doc/bison.texinfo: Document %no-default-prec only if
8479 the defaultprec flag is set. Normally it's not.
8480
8481 2003-10-04 Paul Eggert <eggert@twinsun.com>
8482
8483 * data/glr.c (b4_rhs_value, b4_rhs_location): Yield a
8484 non-modifiable lvalue, instead of a modifiable one.
8485 * doc/bison.texinfo (Actions): Document that $$ can
8486 be assigned to. Do not claim that $$ and $N are
8487 array element references: user code should not rely on this.
8488
8489 2003-10-01 Paul Eggert <eggert@twinsun.com>
8490
8491 * src/parse-gram.h (PERCENT_NO_DEFAULT_PREC): New token.
8492 (grammar_declaration): Use it.
8493 * src/scan-gram.l: New token %no-default-prec.
8494 * tests/conflicts.at: Revamp tests to use %no-default-prec.
8495 * NEWS, doc/bison.texinfo: Document the above.
8496
8497 2003-10-01 Akim Demaille <akim@epita.fr>
8498
8499 VCG no longer supports long_straight_phase.
8500
8501 * src/vcg.c, src/vcg.h: Remove the handling of long_straight_phase.
8502 * src/print_graph.c (print_graph): Adjust.
8503
8504 2003-09-30 Frank Heckenbach <frank@g-n-u.de>
8505 and Paul Eggert <eggert@twinsun.com>
8506
8507 * doc/bison.texinfo (Decl Summary, Contextual Precedence,
8508 Table of Symbols): Document %default-prec.
8509 * src/parse-gram.y (PERCENT_DEFAULT_PREC): New token.
8510 (grammar_declaration): Set default_prec on %default-prec.
8511 * src/scan-gram.l (%default-prec): New token.
8512 * src/reader.h (default_prec): New flag.
8513 * src/reader.c: Likewise.
8514 (packgram): Handle it.
8515 * tests/conflicts.at (%default-prec without %prec,
8516 %default-prec with %prec, %default-prec 1): New tests.
8517
8518 2003-09-30 Paul Eggert <eggert@twinsun.com>
8519
8520 * tests/testsuite.at: Include local.at, not input.at, fixing
8521 a typo in the 2003-08-25 patch.
8522
8523 2003-08-27 Akim Demaille <akim@epita.fr>
8524
8525 * data/lalr1.cc (yyparse) [__GNUC__]: "Use" yyerrorlab to pacify
8526 GCC warnings.
8527
8528 2003-08-26 Akim Demaille <akim@epita.fr>
8529
8530 * config/announce-gen (print_changelog_deltas): Neutralize "<#" as
8531 "<\#" to avoid magic from Gnus when posting parts of this script.
8532
8533 2003-08-26 Akim Demaille <akim@epita.fr>
8534
8535 * data/lalr1.cc (Parser::report_syntax_error_): New, extracted from
8536 (Parser::parse): here.
8537 Adjust: nerrs and errstatus is now replaced by...
8538 (Parser::nerrs_, Parser::errstatus_): New.
8539
8540 2003-08-25 Akim Demaille <akim@epita.fr>
8541
8542 * config/announce-gen, Makefile.cfg: New.
8543 * Makefile.am: Adjust.
8544 * GNUmakefile, Makefile.maint: Update from CVS Autoconf, but
8545 keeping local WGET and WGETFLAGS modifications from Paul Eggert.
8546
8547 2003-08-25 Akim Demaille <akim@epita.fr>
8548
8549 When reducing initial empty rules, Bison parser read an initial
8550 location that is not defined. This results in garbage, and that
8551 affects Bison's own parser. Therefore we need (i) to extend Bison
8552 to support a means to initialize this location, and (ii) to use
8553 this CVS Bison to fix CVS Bison's parser.
8554
8555 * src/reader.h, reader.c (epilogue_augment): Remove, replace
8556 with...
8557 * src/muscle_tab.h, src/muscle_tab.c (muscle_code_grow): this.
8558 * src/parse-gram.y: Adjust.
8559 (%initial-action): New.
8560 (%error-verbose): Since we require CVS Bison, there is no reason
8561 not to use it.
8562 * src/scan-gram.l: Adjust.
8563 * src/Makefile.am (YACC): New, to make sure we use our own parser.
8564 * data/yacc.c (yyparse): Use b4_initial_action.
8565
8566 2003-08-25 Akim Demaille <akim@epita.fr>
8567
8568 * doc/bison.texinfo: Don't promote stdout for error messages.
8569
8570 2003-08-25 Akim Demaille <akim@epita.fr>
8571
8572 * data/lalr1.cc (Parser::reduce_print_): Remove unused yyi.
8573 From Alexandre Duret-Lutz.
8574
8575 2003-08-25 Akim Demaille <akim@epita.fr>
8576
8577 Version 1.875c.
8578
8579 2003-08-25 Akim Demaille <akim@epita.fr>
8580
8581 * data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
8582 Use them.
8583
8584 2003-08-25 Akim Demaille <akim@epita.fr>
8585
8586 * data/lalr1.cc (Parser::reduce_print_): New.
8587 Use it.
8588
8589 2003-08-25 Akim Demaille <akim@epita.fr>
8590
8591 Have lalr1.cc catch with Paul Eggert's patch to fix the infinite
8592 error recovery loops. This patch is based on
8593 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00000.html>.
8594 Also, augment the similarity between lalr1.cc and yacc.c.
8595 Note: the locations of error recovery rules are not correct yet.
8596
8597 * data/lalr1.cc: Comment changes to augment the similarity between
8598 lalr1.cc and yacc.c.
8599 (YYERROR): Goto to yyerrorlab, not yyerrlab1.
8600 (yyerrlab1): Remove, but where it used to be (now the bottom part of
8601 yyerrlab), when hitting EOF, pop the whole stack here instead of
8602 merely falling thru the default error handling mechanism.
8603 (yyerrorlab): New label, with the old contents of YYERROR,
8604 plus the following change: pop the stack of rhs corresponding
8605 to the production that invoked YYERROR. That is how Yacc
8606 behaves (required by POSIX).
8607 * tests/calc.at (AT_CHECK_CALC_LALR1_CC): No longer expected to
8608 fail.
8609
8610 2003-08-25 Akim Demaille <akim@epita.fr>
8611
8612 Tune local.at so that people can "autom4te -l autotest calc.at -o
8613 calc" for instance, to extract a sub test suite.
8614
8615 * tests/testsuite.at: Move the initialization, Autotest version
8616 requirement, and AT_TESTED invocation into...
8617 * tests/local.at: here.
8618 * tests/testsuite.at: Include it for compatibility with Autoconf
8619 2.57.
8620 * tests/Makefile.am ($(TESTSUITE)): Report that the warning should
8621 be ignore.
8622
8623 2003-08-04 Paul Eggert <eggert@twinsun.com>
8624
8625 Rework code slightly to avoid gcc -Wtraditional warnings.
8626 * data/glr.c (yyuserMerge): Return void, not YYSTYPE.
8627 The returned value is now stored in *YY0. All callers changed.
8628 * src/output.c (merge_output): Adjust to the above change.
8629
8630 2003-07-26 Paul Eggert <eggert@twinsun.com>
8631
8632 * data/glr.c (YYASSERT): New macro.
8633 (yyfillin, yydoAction, yyglrReduce, yysplitStack,
8634 yyresolveStates, yyprocessOneStack):
8635 Use `YYASSERT (FOO);' rather than `if (! (FOO)) abort ();'.
8636 Derived from a suggestion by Frank Heckenbach.
8637
8638 2003-07-25 Paul Eggert <eggert@twinsun.com>
8639
8640 * data/glr.c (yyglrReduce): Don't use C89 string concatenation,
8641 for portability to K&R C (after ansi2knr, presumably). See
8642 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>
8643 by Frank Heckenbach, though I have omitted the structure-initialization
8644 part of his glr-knr.diff patch since I recall that the Portable
8645 C Compiler didn't require that change.
8646
8647 Let the user specify how to allocate and free memory.
8648 Derived from a suggestion by Frank Heckenbach in
8649 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00041.html>.
8650 * data/glr.c (YYFREE, YYMALLOC, YYREALLOC): New macros.
8651 All uses of free, malloc, realloc changed to use these macros,
8652 and unnecessary casts removed.
8653 * data/yacc.c (YYFREE, YYMALLOC): Likewise.
8654
8655 2003-07-06 Matthias Mann <MatthiasMann@gmx.de>
8656
8657 * data/lalr1.cc (operator<<(std::ostream&, const Position&)):
8658 use s.empty() rather than s == "" to test for empty string; see
8659 <http://lists.gnu.org/archive/html/bison-patches/2003-07/msg00003.html>
8660 (trivial change)
8661
8662 2003-06-25 Akim Demaille <akim@epita.fr>
8663
8664 * config/depcomp, config/install-sh: Update from masters.
8665
8666 2003-06-20 Paul Eggert <eggert@twinsun.com>
8667
8668 * data/glr.c (YYLLOC_DEFAULT): Parenthesize arguments as needed,
8669 and return properly parenthesized result.
8670 * data/lalar1.cc (YYLLOC_DEFAULT): Likewise.
8671 * data/yacc.c (YYLLOC_DEFAULT): Likewise.
8672 Remove unnecessary parentheses from uses.
8673 * doc/bison.texinfo (Location Default Action): Describe the
8674 conventions for parentheses.
8675
8676 2003-06-19 Paul Eggert <eggert@twinsun.com>
8677
8678 * data/glr.c (yyremoveDeletes, yy_reduce_print, yyglrReduce,
8679 yyreportTree): Do not assume that size_t is the same width as int,
8680 when printing sizes. Print sizes using an unsigned format.
8681 Problem reported by Frank Heckenbach in
8682 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00035.html>.
8683
8684 Port to Forte Developer 7 C compiler.
8685 * data/glr.c (struct YYLTYPE): If locations are not being used,
8686 declare a single dummy member, as empty structs do not conform
8687 to the C standard.
8688 (YYERROR, YYBACKUP): Do not use "do { ...; return foo; } while (0)";
8689 the Forte Developer 7 C compiler complains that end-of-loop
8690 code is not reached.
8691
8692 2003-06-17 Paul Eggert <eggert@twinsun.com>
8693
8694 * lib/libiberty.h (PARAMS): Spell argument as Args, not as X, to
8695 avoid warnings from picky compilers about redefinition of PARAMS.
8696
8697 2003-06-17 Paul Eggert <eggert@twinsun.com>
8698
8699 Version 1.875b.
8700
8701 * NEWS: Document 1.875b.
8702
8703 * lib/bbitset.h: Do not include config.h; that's the includer's job.
8704 Do not include <sys/types.h>; shouldn't be needed on a C89 host.
8705 * lib/bitset.h (bitset_compatible_p): Indent as per GNU standard.
8706 Don't use 'index' in comments, as it's a builtin fn on some hosts.
8707 * lib/bitset_stats.c: Include gettext.h unconditionally, as
8708 per recent gettext manual's suggestion.
8709 * lib/ebitset.c (ebitset_resize, ebitset_unused_clear):
8710 Use prototypes, not old-style definitions.
8711 * lib/lbitset.c (lbitset_unused_clear): Likewise.
8712 * lib/vbitset.c (vbitset_resize, vbitset_ones, vbitset_zero,
8713 vbitset_empty_p, vbitset_copy1, vbitset_not, vbitset_equal_p,
8714 vbitset_subset_p, vbitset_disjoint_p, vbitset_and, vbitset_and_cmp,
8715 vbitset_andn, vbitset_andn_cmp, vbitset_or, vbitset_or_cmp,
8716 vbitset_xor, vbitset_xor_cmp, vbitset_and_or, vbitset_and_or_cmp,
8717 vbitset_andn_or, vbitset_andn_or_cmp, vbitset_or_and,
8718 vbitset_or_and_cmp, vbitset_copy): Likewise.
8719
8720 * lib/libiberty.h: Do not include config.h; that's the includer's job.
8721 Do not include <stdlib.h>.
8722 (PARAMS): Define unconditionally for C89.
8723 (ATTRIBUTE_NORETURN): Remove.
8724 (ATTRIBUTE_UNUSED): Define unconditionally.
8725
8726 Upgrade to 2003-06-08 libbitset, submitted by Michael Hayes in:
8727 <http://lists.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>
8728 * lib/Makefile.am (bitsets_sources): Add vbitset.c, vbitset.h.
8729 * lib/vbitset.c, lib/vbitset.h: New files.
8730 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
8731 lib/bitset_stats.c, lib/ebitset.c, lib/lbitset.c: Import
8732 from libbitset.
8733
8734 * doc/bison.texinfo (How Can I Reset the Parser): Renamed from
8735 `How Can I Reset @code{yyparse}', since texinfo does not allow
8736 arbitrary @ in node names.
8737
8738 * m4/Makefile.am (EXTRA_DIST): Add the following files, which
8739 shouldn't be needed according to the gettext 0.12.1 documentation
8740 but which seem to be needed anyway: codeset.m4 glibc21.m4
8741 intdiv0.m4 inttypes-pri.m4 inttypes.m4 inttypes_h.m4 isc-posix.m4
8742 lcmessage.m4 nls.m4 po.m4 stdint_h.m4 uintmax_t.m4 ulonglong.m4.
8743 * po/Makefile.in.in: Upgrade to gettext 0.12.1 version.
8744
8745 * lib/.cvsignore: Add stdbool.h.
8746 * m4/.cvsignore: Add nls.m4, po.m4.
8747
8748 Upgrade to CVS gnulib.
8749 * stdbool_.h: File renamed from stdbool.h.in.
8750 * configure.ac (AM_STDBOOL_H): Invoke this instead of
8751 AC_HEADER_STDBOOL.
8752 (AM_GNU_GETTEXT): Put brackets around args, as latest manual suggests.
8753 (AM_GNU_GETTEXT_VERSION): Update to 0.12.1.
8754 * lib/Makefile.am (EXTRA_DIST): Add stdbool_.h.
8755 (MOSTLYCLEANFILES): New var.
8756 ($(libbison_a_OBJECTS)): Depend on $(STDBOOL_H).
8757 (stdbool.h): New rule.
8758 * lib/dirname.c, lib/dirname.h, lib/hash.c, lib/hash.h,
8759 lib/malloc.c, lib/obstack.h, lib/quote.c, lib/realloc.c,
8760 lib/strcasecmp.c, lib/xalloc.h, m4/alloca.m4, m4/onceonly.m4,
8761 m4/quote.m4: Upgrade to today's gnulib.
8762
8763 * tests/calc.at (AT_CHECK_CALC): New option EXPECTED-TO-FAIL.
8764 (AT_CHECK_CALC_LALR1_CC): Use it, since the C++ LALR parser fails
8765 the tests right now.
8766 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Ensure yylex and
8767 yyerror are declared before use; C99 requires this.
8768
8769 2003-06-09 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
8770
8771 * data/glr.c (YYERROR): Update definition to reset yyerrState to 0
8772 first.
8773 (yyrecoverSyntaxError): Correct the logic for setting and testing
8774 yyerrState.
8775 Correct comment on handling EOF.
8776 Allow states with only a default reduction, rather than failing
8777 (I can't quite reconstruct why these were not allowed before).
8778
8779 Fixes to avoid problem that $-N rules in GLR parsers can cause
8780 buffer overruns, corrupting state.
8781
8782 * src/output.c (prepare_rules): Output max_left_semantic_context
8783 definition.
8784 * src/reader.h (max_left_semantic_context): New variable declaration.
8785 * src/scan-gram.l (max_left_semantic_context): Define.
8786 (handle_action_dollar): Update max_left_semantic_context.
8787 * data/glr.c (YYMAXLEFT): New definition.
8788 (yydoAction): Increase size of yyrhsVals by YYMAXLEFT.
8789 (yyresolveAction): Ditto.
8790
8791 Fixes to problems with location handling in GLR parsers reported by
8792 Frank Heckenbach (2003/06/05).
8793
8794 * data/glr.c (YYLTYPE): Make trivial if locations not used.
8795 (YYRHSLOC): Add parentheses, and define only if locations used.
8796 (YYLLOC_DEFAULT): Add parentheses, and give trivial definition if
8797 locations not used.
8798 (yyuserAction): Use YYLLOC_DEFAULT to set *yylocp.
8799 (yydoAction): Remove redundant initialization of *yyvalp and *yylocp.
8800
8801 * tests/cxx-type.at: Exercise location information; update tests
8802 to differentiate output with and without locations.
8803 Remove forward declarations of yylex and yyerror---caused errors
8804 because default YYLTYPE not yet defined.
8805 Change semantic actions to compute strings, rather than printing
8806 them directly (to test proper passing of semantics values). Change
8807 output to prefix notation and update test data and expected results.
8808 (yylex): Track locations.
8809 (stmtMerge): Return value rather than printing, and include arguments
8810 in value.
8811
8812 2003-06-03 Paul Eggert <eggert@twinsun.com>
8813
8814 Avoid warnings generated by GCC 2.95.4 when Bison is
8815 configured with --enable-gcc-warnings.
8816 * data/lalr1.cc (yy::]b4_parser_class_name[::parse,
8817 yy::]b4_parser_class_name[::translate_,
8818 yy::Stack::operator[] (unsigned),
8819 yy::Stack::operator[] (unsigned) const,
8820 yy::Slice::operator[] (unsigned),
8821 yy::Slice::operator[] (unsigned) const):
8822 Rename local vars to avoid warnings.
8823 * tests/glr-regression.at (Improper handling of embedded actions
8824 and $-N in GLR parsers): Remove unused local variable from yylex.
8825 * tests/regression.at (_AT_DATA_DANCER_Y): Declare yylex to take
8826 (void) as arg when not pure, since we now assume C89 when building
8827 Bison. Pacify GCC by using parameter.
8828
8829 2003-06-02 Paul Eggert <eggert@twinsun.com>
8830
8831 * data/lalr1.cc (yy::Position::lines, yy::Position::columns,
8832 yy::Location::lines, yy::Location::columns): Rename arguments
8833 to avoid shadowing; this removes a warning generated by GCC 3.3.
8834
8835 2003-06-01 Paul Eggert <eggert@twinsun.com>
8836
8837 Don't pass C-only warning optins (e.g., -Wmissing-declarations)
8838 to g++, as GCC 3.3 complains if you do it.
8839 * configure.ac (WARNING_CXXFLAGS): New subst. Set it to
8840 everything that WARNING_CFLAGS has, except omit warnings
8841 not suitable for C++.
8842 (AC_PROG_CXX): Use this instead of AC_CHECK_PROGS([CXX], [g++]).
8843 * tests/atlocal.in (CXXFLAGS): New var.
8844 * tests/local.at (AT_COMPILE_CXX): Use it instead of CFLAGS.
8845
8846 Fix a GLR parser bug I reported in February; see
8847 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00008.html>.
8848 The problem was that GLR parsers did not conform to the C standard,
8849 because actions like { $1 = $2 + $3; } expanded to expressions
8850 that invoked YYFILL in separate subexpressions, and YYFILL assigned
8851 to a local variable. The C standard says that expressions
8852 like (var = f ()) + (var = f ()) have undefined behavior.
8853 Another problem was that GCC sometimes issues warnings that
8854 yyfill and its parameters are unused.
8855
8856 * data/glr.c (yyfillin): Renamed from the old yyfill. Mark
8857 as possibly unused.
8858 (yyfill): New function.
8859 (YYFILL): Use it.
8860 (yyuserAction): Change type of yynormal to bool, so that it matches
8861 the new yyfill signature. Mark it as possibly unused.
8862
8863
8864 Follow up on a bug I reported in February, where a Bison-generated
8865 parser can loop. Provide a test case and a fix for yacc.c. I
8866 don't have a fix for lalr1.cc or for glr.c, unfortunately.
8867 The original bug report is in:
8868 <http://lists.gnu.org/archive/html/bison-patches/2003-02/msg00044.html>
8869
8870 * data/yacc.c (YYERROR): Now just 'goto yyerrorlab', since the
8871 macro's size was becoming unwieldy.
8872 (yyerrlab): Do not discard an empty lookahead symbol, as this
8873 might destroy garbage.
8874 (yyerrorlab): New label, with the old contents of YYERROR,
8875 plus the following change: pop the stack of rhs corresponding
8876 to the production that invoked YYERROR. That is how Yacc
8877 behaves, and POSIX requires this behavior.
8878 (yyerrlab1): Use YYPOPSTACK instead of its definiens.
8879 * tests/calc.at (_AT_DATA_CALC_Y): Include unistd.h if available.
8880 Define 'alarm' to do nothing if unistd.h is not available.
8881 Add a new rule "exp: '-' error;" to test the above change to
8882 data/yacc.c. Use 'alarm' to abort any test taking longer than
8883 10 seconds, as it's probably looping.
8884 (AT_CHECK_CALC): Test recovery from error in new grammar rule.
8885 Also, the new yacc.c generates two fewer diagnostics for an
8886 existing test.
8887
8888 2003-05-24 Paul Eggert <eggert@twinsun.com>
8889
8890 * data/glr.c (YYSTACKEXPANDABLE): Do not evaluate
8891 YYSTYPE_IS_TRIVIAL or YYSTYPE_IS_TRIVIAL unless they are defined.
8892 This fixes a problem reported by John Bowman when the Compaq/HP
8893 Alpha cxx compiler happy (e.g. using cxx -D__USE_STD_IOSTREAM
8894 -ansi -Wall -gall).
8895 * data/yacc.c (union yyalloc): Likewise.
8896 (YYCOPY): Do not evaluate __GNUC__ unless it is defined.
8897
8898 Switch from 'int' to 'bool' where that makes sense.
8899
8900 * lib/abitset.c (abitset_test, abitset_empty_p, abitset_equal_p,
8901 abitset_subset_p, abitset_disjoint_p, abitset_and_cmp,
8902 abitset_andn_cmp, abitset_or_cmp, abitset_xor_cmp, abitset_and_or,
8903 abitset_and_or_cmp, abitset_andn_or_cmp, abitset_or_and_cmp):
8904 Return or accept bool, not int. All callers changed.
8905 * lib/bbitset.h: (bitset_toggle_, bitset_copy_, bitset_and_or_cmp_,
8906 bitset_andn_or_cmp_, bitset_or_and_cmp_): Likewise.
8907 * lib/bitset.c (bitset_only_set_p, bitset_print, bitset_toggle_,
8908 bitset_copy_, bitset_op4_cmp, bitset_and_or_cmp_, bitset_andn_or_cmp_,
8909 bitset_or_and_cmp_): Likewise.
8910 * lib/bitset.h (bitset_test, bitset_only_set_p): Likewise.
8911 * lib/bitset_stats.c (bitset_stats_print, bitset_stats_toggle,
8912 bitset_stats_test, bitset_stats_empty_p, bitset_stats_disjoint_p,
8913 bitset_stats_equal_p, bitset_stats_subset_p, bitset_stats_and_cmp,
8914 bitset_stats_andn_cmp, bitset_stats_or_cmp, bitset_stats_xor_cmp,
8915 bitset_stats_and_or_cmp, bitset_stats_andn_or_cmp,
8916 bitset_stats_or_and_cmp): Likewise.
8917 * lib/ebitset.c (ebitset_elt_zero_p, ebitset_equal_p, ebitset_copy_cmp,
8918 ebitset_test, ebitset_empty_p, ebitset_subset_p, ebitset_disjoint_p,
8919 ebitset_op3_cmp, ebitset_and_cmp, ebitset_andn_cmp, ebitset_or_cmp,
8920 ebitset_xor_cmp): Likewise.
8921 * lib/lbitset.c (lbitset_elt_zero_p, lbitset_equal_p, lbitset_copy_cmp,
8922 lbitset_test, lbitset_empty_p, lbitset_subset_p, lbitset_disjoint_p,
8923 lbitset_op3_cmp, lbitset_and_cmp, lbitset_andn_cmp, lbitset_or_cmp,
8924 lbitset_xor_cmp): Likewise.
8925 * lib/bbitset.h: Include <stdbool.h>.
8926 (struct bitset_vtable): The following members now return bool, not
8927 int: toggle, test, empty_p, disjoint_p, equal_p, subset_p,
8928 and_cmp, andn_cmp, or_cmp, xor_cmp, and_or_cmp, andn_or_cmp,
8929 or_and_cmp).
8930 * src/conflicts.c (count_rr_conflicts): Likewise.
8931 * lib/bitset_stats.h (bitset_stats_enabled): Now bool, not int.
8932 All uses changed.
8933 * lib/ebitset.c (ebitset_obstack_init): Likewise.
8934 * lib/lbitset.c (lbitset_obstack_init): Likewise.
8935 * src/getargs.c (debug_flag, defines_flag, locations_flag,
8936 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
8937 graph_flag): Likewise.
8938 * src/getargs.h (debug_flag, defines_flag, locations_flag,
8939 no_lines_flag, no_parser_flag, token_table_flag, yacc_flag,
8940 graph_flag): Likewise.
8941 * src/output.c (error_verbose): Likewise.
8942 * src/output.h (error_verbose): Likewise.
8943 * src/reader.c (start_flag, typed): Likewise.
8944 * src/reader.h (typed): Likewise.
8945 * src/getargs.c (LOCATIONS_OPTION): New constant.
8946 (long_options, getargs): Use it.
8947 * src/lalr.c (build_relations): Use bool, not int.
8948 * src/nullable.c (nullable_compute): Likewise.
8949 * src/print.c (print_reductions): Likewise.
8950 * src/tables.c (action_row, pack_vector): Likewise.
8951 * src/muscle_tab.h (MUSCLE_INSERT_BOOL): New macro.
8952 * src/output.c (prepare): Use it.
8953 * src/output.c (token_definitions_output,
8954 symbol_destructors_output, symbol_destructors_output): Use string,
8955 not boolean integer, to keep track of whether to output separator.
8956 * src/print_graph.c (print_core): Likewise.
8957 * src/state.c (state_rule_lookaheads_print): Likewise.
8958
8959 * config/install-sh: Sync from automake 1.7.5.
8960
8961 2003-05-14 Paul Eggert <eggert@twinsun.com>
8962
8963 * src/parse-gram.y (rules_or_grammar_declaration): Require a
8964 semicolon after a grammar declaration, in the interest of possible
8965 future changes to the Bison input language.
8966 Do not allow a stray semicolon at the start of the grammar.
8967 (rhses.1): Allow one or more semicolons after any rule, including
8968 just before "|" as required by POSIX.
8969 * tests/input.at (Torturing the Scanner): Add tests for ";|" in a
8970 grammar.
8971
8972 2003-05-14 Alexandre Duret-Lutz <adl@gnu.org>
8973
8974 %parse-param support for lalr1.cc.
8975
8976 * data/lalr1.cc (b4_parse_param_decl, b4_parse_param_cons,
8977 b4_cc_constructor_calls, b4_cc_constructor_call,
8978 b4_parse_param_vars, b4_cc_var_decls, b4_cc_var_decl): New m4
8979 definitions.
8980 (yy::b4_parser_class_name::b4_parser_class_name): Take extra
8981 parse-param arguments.
8982 (yy::b4_parser_class_name): Declare instance variables to
8983 hold parse-param arguments.
8984 * tests/calc.at: s/value/semantic_value/ because value clashes
8985 with a member of yy::b4_parser_class_name. Adjust C++ code
8986 to handle %parse-param. Enable %parse-param test in C++.
8987
8988 2003-05-12 Paul Eggert <eggert@twinsun.com>
8989
8990 * doc/bison.texinfo (How Can I Reset @code{yyparse}): Reword the
8991 English a bit. Fix fclose typo. Change "const char" to "char
8992 const", and use ANSI C rather than K&R for "main". Suggest
8993 YY_FLUSH_BUFFER over yyrestart (as that is what Flex recommends)
8994 and suggest yy_switch_to_buffer.
8995
8996 2003-05-05 Paul Eggert <eggert@twinsun.com>
8997
8998 * lib/bitset.h (__INT_TO_PTR): Define to a value that presumes
8999 C89. This avoids a diagnostic on compilers that define __STDC__
9000 to 0, fixing a problem with Tru64 cc reported by Martin Mokrejs in
9001 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
9002
9003 2003-05-03 Paul Eggert <eggert@twinsun.com>
9004
9005 * lib/bitset.h (BITSET_FOR_EACH, BITSET_FOR_EACH_REVERSE):
9006 Do not overrun array bounds.
9007 This should fix a bug reported today by Olatunji Oluwabukunmi in
9008 <http://lists.gnu.org/archive/html/bug-bison/2003-05/msg00004.html>.
9009
9010 2003-04-29 Akim Demaille <akim@epita.fr>
9011
9012 * src/gram.h, src/gram.c (pure_parser, glr_parser): Move to...
9013 * src/getargs.c, src/getargs.h: here, as bool, not int.
9014 (nondeterministic_parser): New.
9015 * src/parse-gram.y, src/scan-gram.l: Support
9016 %nondeterministic-parser.
9017 * src/output.c (prepare): Use nondeterministic_parser instead
9018 of glr_parser where appropriate.
9019 * src/tables.c (conflict_row, action_row, save_row)
9020 (token_actions, token_actions, pack_vector): Ditto.
9021
9022 2003-04-29 Akim Demaille <akim@epita.fr>
9023
9024 * doc/bison.texinfo (C++ Parsers, Implementing Loops): New.
9025
9026 2003-04-29 Akim Demaille <akim@epita.fr>
9027
9028 * tests/calc.at: Also test yacc.c and glr.c (but not lalr1.cc yet)
9029 with %pure-parser and %locations to exercise the patch from Yakov
9030 Markovitch below.
9031
9032 2003-04-28 Tim Van Holder <tim.van.holder@pandora.be>
9033
9034 * data/yacc.c: (b4_lex_param): Corrected for the case where
9035 %lex-param is provided and %pure-parser isn't.
9036
9037 2003-04-27 Paul Eggert <eggert@twinsun.com>
9038
9039 Avoid gcc -Wundef warnings reported by Gerald Pfeifer in
9040 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00044.html>.
9041 * data/yacc.c (YYSTACK_ALLOC): Don't evaluate YYSTACK_USE_ALLOCA
9042 if it is not defined.
9043 (YYMAXDEPTH): Don't evaluate YYMAXDEPTH if it is not defined.
9044
9045 2003-04-26 Paul Eggert <eggert@twinsun.com>
9046
9047 * data/lalr1.cc (yy::Parser::pact_ninf_, yy::Parser::table_ninf_):
9048 Declare to be of type suitable for the ninf value itself, not of
9049 type suitable for the corresponding table, since the latter might
9050 be unsigned but the ninf value might be negative. This fixes a
9051 bug reported by Alexandre Duret-Lutz in
9052 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00017.html>.
9053
9054 * configure.ac (AC_FUNC_ERROR_AT_LINE): Remove, since gl_ERROR
9055 invokes it. We shouldn't invoke it twice because it will attempt
9056 to put error.o in the archive twice. This fixes a glitch reported
9057 by Martin Mokrejs in
9058 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00041.html>.
9059
9060 2003-04-21 Paul Eggert <eggert@twinsun.com>
9061
9062 * m4/error.m4: Update from Bruno Haible's 2003-04-14 patch
9063 to gnulib.
9064
9065 2003-04-21 Yakov Markovitch <Markovitch@iso.ru>
9066
9067 * data/glr.c (yyexpandGLRStack) [!YYSTACKEXPANDABLE]:
9068 Fix obvious typo that results in uncompilable GLR parsers
9069 when both %pure-parser and %locations are used. (trivial change)
9070
9071 2003-04-17 Paul Eggert <eggert@twinsun.com>
9072
9073 * src/scan-gram.l: Add %option nounput, since we no longer use unput.
9074 (unexpected_eof): Renamed from unexpected_end_of_file, for brevity.
9075 Do not insert the expected token via unput, as this runs afoul
9076 of a POSIX-compatibility bug in flex 2.5.31.
9077 All uses changed to BEGIN the parent state,
9078 since we no longer insert the expected token via unput.
9079 * tests/regression.at (Invalid inputs): Remove cascaded diagnostic
9080 that is no longer emitted after the above change.
9081
9082 * src/conflicts.c (set_conflicts): Resolve all conflicts, not just
9083 the first one. This change is from Paul Hilfinger, and it fixes
9084 regression reported by Werner Lemberg in
9085 <http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
9086
9087 (resolve_sr_conflict): Don't invoke state_errs_set
9088 unless one or more tokens have been explicitly made errors.
9089 Otherwise, the above change causes Bison to abort.
9090
9091 * tests/existing.at (GNU pic Grammar): New test case, taken from
9092 Lemberg's email.
9093
9094 2003-03-31 Akim Demaille <akim@epita.fr>
9095
9096 * doc/Makefile.am (AM_MAKEINFOFLAGS): Don't split the info file.
9097
9098 2003-03-31 Akim Demaille <akim@epita.fr>
9099
9100 * src/output.c (prepare_symbols): Avoid trailing spaces in the
9101 output.
9102
9103 2003-03-31 Akim Demaille <akim@epita.fr>
9104
9105 * doc/bison.texinfo (Strings are Destroyed): s/losses/loses/.
9106 From Paul Hilfinger.
9107
9108 2003-03-29 Akim Demaille <akim@epita.fr>
9109
9110 * m4/error.m4: Do not put under dynamic conditions some code which
9111 expansion is under static control.
9112
9113 2003-03-29 Akim Demaille <akim@epita.fr>
9114
9115 * doc/bison.texinfo (How Can I Reset @code{yyparse}): New.
9116
9117 2003-03-29 Akim Demaille <akim@epita.fr>
9118
9119 * doc/bison.texinfo (Strings are Destroyed): New.
9120
9121 2003-03-13 Paul Eggert <eggert@twinsun.com>
9122
9123 * .cvsignore: Add configure.lineno.
9124 * src/.cvsignore: Add yacc.
9125 * tests/.cvsignore: Add testsuite.log.
9126 * doc/fdl.texi: Sync with latest FSF version.
9127
9128 2003-03-12 Paul Eggert <eggert@twinsun.com>
9129
9130 * scan-gram.l (YY_USER_INIT): Initialize code_start, too.
9131 (<INITIAL><<EOF>>, <SC_PRE_CODE><<EOF>>): Set *loc to the scanner
9132 cursor, instead of leaving it undefined. This fixes a bug
9133 reported by Tim Van Holder in
9134 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00023.html>.
9135 * tests/input.at (Torturing the Scanner): Test the scanner on
9136 an empty input file, which was Tim Van Holder's test case.
9137
9138 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): When checking whether
9139 <sys/resource.h> can be included, include sys/time.h and
9140 sys/times.h first, if available. This works around the SunOS
9141 4.1.4 porting bug reported by Bruce Becker in
9142 <http://lists.gnu.org/archive/html/bug-bison/2003-03/msg00018.html>.
9143
9144 * m4/subpipe.m4 (BISON_PREREQ_SUBPIPE): Don't
9145 AC_CHECK_HEADERS([sys/wait.h]), as this interferes with
9146 AC_HEADER_SYS_WAIT.
9147
9148 Merge changes from gnulib. This was prompted because the CVS
9149 snapshot didn't build on Solaris 7 due to strnlen problems.
9150
9151 These changes need to be merged back into gnulib:
9152 * lib/hash.c: Include <stdbool.h> unconditionally.
9153 * m4/onceonly.m4 (m4_quote): New macro.
9154 (AC_CHECK_HEADERS_ONCE, AC_CHECK_FUNCS_ONCE, AC_CHECK_DECLS_ONCE):
9155 Quote AC_FOREACH variable-expansions properly.
9156 The 2003-01-03 obstack.h change also needs merging.
9157 {end of changes requiring merging}
9158
9159 * lib/stdbool.h.in, m4/alloca.m4, m4/dirname.m4, m4/dos.m4,
9160 m4/getopt.m4, m4/hash.m4, m4/malloc.m4, m4/memchr.m4,
9161 m4/memrchr.m4, m4/obstack.m4, m4/onceonly.m4, m4/quote.m4,
9162 m4/quotearg.m4, m4/realloc.m4, m4/stpcpy.m4, m4/strnlen.m4,
9163 m4/strtol.m4, m4/strtoul.m4, m4/unlocked-io.m4, m4/xalloc.m4:
9164 New files, imported from gnulib.
9165 * m4/Makefile.am (EXTRA_DIST): Add the new m4/*.m4 files mentioned
9166 above.
9167
9168 * lib/mbswidth.c, m4/error.m4, m4/mbrtowc.m4, m4/mbswidth.m4,
9169 m4/memcmp.m4, m4/prereq.m4, m4/stdbool.m4: Update to current
9170 gnulib sources.
9171
9172 * configure.ac (gl_DIRNAME, gl_GETOPT, gl_HASH, gl_QUOTE, gl_XALLOC):
9173 Add.
9174 (gl_ERROR): New, replacing jm_PREREQ_ERROR.
9175 (gl_FUNC_ALLOCA): New, replacing AC_FUNC_ALLOCA.
9176 (gl_FUNC_STPCPY): New, replacing AC_REPLACE_FUNCS(stpcpy).
9177 (gl_FUNC_STRNLEN): New, replacing AC_FUNC_STRNLEN.
9178 (gl_MBSWIDTH): New, replacing jm_PREREQ_MBSWIDTH.
9179 (gl_OBSTACK): New, replacing AC_FUNC_OBSTACK.
9180 (gl_QUOTEARG): New, replacing jm_PREREQ_QUOTEARG.
9181 (jm_FUNC_GLIBC_UNLOCKED_IO, gl_FUNC_STPCPY, gl_FUNC_STRTOL): New.
9182 (jm_FUNC_MALLOC): New, replacing AC_FUNC_MALLOC.
9183 (jm_FUNC_REALLOC): New, replacing AC_FUNC_REALLOC.
9184 (jm_PREREQ_ARGMATCH): Remove.
9185 (AC_REPLACE_FUNCS): Remove memchr, memrchr, stpcpy, strtol, strtoul.
9186 * lib/Makefile.am (libbison_a_SOURCES): Add argmatch.c, argmatch.h.
9187
9188 * src/system.h: Include <stdbool.h> unconditionally.
9189
9190 * lib/bbitset.h: Include <limits.h> unconditionally. We have been
9191 assuming at least C89 in the bitset code for some time now.
9192
9193 2003-03-03 Akim Demaille <akim@epita.fr>
9194
9195 * ro.po: New.
9196
9197 2003-03-02 Akim Demaille <akim@epita.fr>
9198
9199 * doc/bison.texinfo (Table of Symbols): Reactivate the
9200 documentation for %lex-param, and %parse-param.
9201
9202 2003-03-02 Akim Demaille <akim@epita.fr>
9203
9204 * data/yacc.c, data/glr.c, data/lal1.cc: Use similar code to
9205 generate verbose error messages.
9206 Use the number of tokens as an upper bound in yytname, as it
9207 cannot be a non terminal.
9208
9209 2003-03-02 Akim Demaille <akim@epita.fr>
9210
9211 * tests/regression.at (_AT_DATA_DANCER_Y): Fix the expected error
9212 message.
9213
9214 2003-03-02 Akim Demaille <akim@epita.fr>
9215
9216 * tests/regression.at (_AT_DATA_DANCER_Y, AT_CHECK_DANCER): New.
9217 Use them to exercise yycheck overrun.
9218 Based on Andrew Suffield's grammar.
9219
9220 2003-03-02 Akim Demaille <akim@epita.fr>
9221
9222 Create tests/local.at for Bison generic testing macros.
9223
9224 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Move to...
9225 * tests/local.at (AT_BISON_OPTION_PUSHDEFS, AT_BISON_OPTION_POPDEFS):
9226 This new file.
9227 * tests/calc.at (AT_CHECK_CALC): Adjust.
9228 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR)
9229 (AT_COMPILE, AT_COMPILE_CXX, AT_PARSER_CHECK): Move to...
9230 * tests/local.at: here.
9231 (AT_COMPILE_CXX): Tags the tests using it as c++.
9232 Ignore the test if CXX is not functional.
9233
9234 2003-03-01 Paul Eggert <eggert@twinsun.com>
9235
9236 * src/scan-gram.l (code_start): Initialize it to scanner_cursor,
9237 not loc->end, since loc->end might contain garbage and this leads
9238 to undefined behavior on some platforms.
9239 (id_loc, token_start): Use (IF_LINTed) initial values that do not
9240 depend on *loc, so that the reader doesn't give the the false
9241 impression that *loc is initialized.
9242 (<INITIAL>"%%"): Do not bother setting code_start, since its value
9243 does not survive the return.
9244
9245 2003-03-01 Akim Demaille <akim@epita.fr>
9246
9247 * src/scan-gram.l (code_start): Always initialize it when entering
9248 into yylex, as SC_EPILOGUE is activated *before* the corresponding
9249 yylex invocation. An alternative would be making it static, but
9250 then it starts with the second %%'s beginning, instead of its end.
9251
9252 2003-02-28 Paul Eggert <eggert@twinsun.com>
9253
9254 * lib/mbswidth.c: Include <wchar.h> before "mbswidth.h", to work
9255 around a UnixWare 7.1.1 porting bug reported by John Hughes in
9256 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00030.html>.
9257
9258 2003-02-26 Paul Eggert <eggert@twinsun.com>
9259
9260 * README: Mention compiler bug in Sun Forte Developer 6 update 2.
9261 Remove Sequent/Pyramid discussion (nobody uses them any more).
9262 Merge VMS and MS-DOS discussion; these ports may well be dead
9263 but let's keep mentioning them for now. Put <> around email
9264 addresses. Add copyright notice.
9265
9266 2003-02-24 Paul Eggert <eggert@twinsun.com>
9267
9268 * data/glr.c (yy_reduce_print): yylineno -> yylno,
9269 to avoid collision with flex use of yylineno.
9270 Problem reported by Bruce Lilly in
9271 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00016.html>.
9272 * data/lalr1.cc (yy::]b4_parser_class_name[::parse): Likewise.
9273 * data/yacc.c (yy_reduce_print): Likewise.
9274
9275 * config/depcomp: Sync with Automake 1.7.3.
9276
9277 2003-02-21 Akim Demaille <akim@epita.fr>
9278
9279 * data/lalr1.cc: Use temporary variables instead of casts to
9280 change integer types.
9281 Suggested by Paul Eggert.
9282
9283 2003-02-21 Akim Demaille <akim@epita.fr>
9284
9285 * doc/bison.texinfo: Use "location" consistently to refer to @n,
9286 to avoid confusions with lalr1.cc's notion of Position.
9287 Suggested by Paul Eggert.
9288
9289 2003-02-20 Akim Demaille <akim@epita.fr>
9290
9291 * data/lalr1.cc (position.hh): Make sure "columns" never pushes
9292 before initial_columns.
9293 (location.hh): Use consistent variable names when defining the
9294 operator<<.
9295 Use "last" so that we subtract from Positions, not from unsigned.
9296
9297 2003-02-20 Akim Demaille <akim@epita.fr>
9298
9299 * data/lalr1.cc (position.hh): New subfile, including the extended
9300 and Doxygen'ed documentation of class Position.
9301 (location.hh): Use it.
9302 Document a` la Doxygen.
9303 With the help of Benoit Perrot.
9304
9305 2003-02-20 Akim Demaille <akim@epita.fr>
9306
9307 * tests/calc.at (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): Define
9308 AT_YACC_IF.
9309 Redefine AT_YYERROR_SEES_LOC_IF using it.
9310 (_AT_DATA_CALC_Y): Don't declare yyerror when lalr1.cc, as it is
9311 not defined.
9312 Don't use the location in yy::Parser::error_ and
9313 yy::Parser::print_ when not %locations.
9314 Activate more lalr1.cc tests.
9315
9316 2003-02-19 Akim Demaille <akim@epita.fr>
9317
9318 * data/lalr1.cc: When displaying a line number, be sure to make it
9319 an int.
9320
9321 2003-02-19 Akim Demaille <akim@epita.fr>
9322
9323 * data/lalr1.cc (b4_stack_depth_init, yy::Parser::initdepth_):
9324 Remove, useless.
9325 (YYABORT, YYACCEPT, YYERROR): New.
9326 * tests/calc.at: Renable the lalr1.cc test.
9327
9328 2003-02-19 Akim Demaille <akim@epita.fr>
9329
9330 * tests/calc.at (AT_CHECK_CALC): Check different scenarios of
9331 error recovery, mixing with/without pops and discarding of the
9332 lookahead.
9333 Exercise YYERROR.
9334 Disable the lalr1.cc tests as currently it doesn't support YYERROR.
9335
9336 2003-02-17 Paul Eggert <eggert@twinsun.com>
9337
9338 * tests/atlocal.in (LDFLAGS, LIBS): New vars.
9339 * tests/testsuite.at (AT_COMPILE): Use them.
9340 This fixes the testsuite problem reported by Robert Lentz in
9341 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00011.html>.
9342
9343 2003-02-12 Paul Eggert <eggert@twinsun.com>
9344
9345 * data/yacc.c (yyerrlab) [YYERROR_VERBOSE]:
9346 Avoid subscript error in yycheck. Bug reported by Andrew Suffield in
9347 <http://lists.gnu.org/archive/html/bug-bison/2003-02/msg00003.html>.
9348 * data/glr.c (yyreportSyntaxError) [YYERROR_VERBOSE]: Likewise.
9349 Check for malloc failure, for consistency with yacc.c.
9350 (yytname_size): Remove, for consistency with yacc.c.
9351
9352 The bug still remains in data/lalr1.cc, as I didn't have time
9353 to fix it there.
9354
9355 2003-02-06 Akim Demaille <akim@epita.fr>
9356
9357 * configure.ac (GXX): Rename as...
9358 (CXX): this, to keep the original Autoconf semantics.
9359 Require 2.57.
9360 * data/lalr1.cc: Fix b4_copyright invocations.
9361 If YYDEBUG is not defined, don't depend upon name_ being defined.
9362 (location.hh): Include string and iostream.
9363 (Position::filename): New member.
9364 (Position::Position ()): New.
9365 (operator<< (Position)): New.
9366 (operator- (Position, int)): New.
9367 (Location::first, Location::last): Rename as...
9368 (Location::begin, Location::end): these, to mock the conventional
9369 iterator names.
9370 (operator<< (Location)): New.
9371 * tests/atlocal.in (CXX): New.
9372 * tests/testsuite.at (AT_COMPILE_CXX): New.
9373 * tests/calc.at (_AT_DATA_CALC_Y): Adjust yyerror to report the
9374 locations in a more synthetic way.
9375 (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF is positive if
9376 lalr1.cc is used.
9377 Adjust the C locations to match those from Emacs: first column is
9378 column 0.
9379 Change all the expected results.
9380 Conform to the GCS: simplify the locations when applicable.
9381 (LOC, VAL, YYLLOC_FORMAL, YYLLOC_ARG, USE_YYLLOC, LEX_FORMALS)
9382 (LEX_ARGS, USE_LEX_ARGS, LEX_PRE_FORMALS, LEX_PRE_ARGS): Replace
9383 these CPP macros with the m4 macros new defined by...
9384 (AT_CHECK_PUSHDEFS): this, i.e.:
9385 (AT_LALR1_CC_IF, AT_PURE_LEX_IF, AT_LOC, AT_VAL, AT_LEX_FORMALS)
9386 (AT_LEX_ARGS, AT_USE_LEX_ARGS, AT_LEX_PRE_FORMALS, AT_LEX_PRE_ARGS)
9387 New macros.
9388 (AT_CHECK_POPDEFS): Undefine them.
9389 (AT_CHECK_CALC_LALR1_CC): New.
9390 Use it for the first lalr1.cc test.
9391
9392 2003-02-04 Akim Demaille <akim@epita.fr>
9393
9394 * data/lalr1.cc (YYLLOC_DEFAULT): Fix its definition: be based on
9395 Location as is defined.
9396
9397 2003-02-04 Akim Demaille <akim@epita.fr>
9398
9399 * data/lalr1.cc: If YYDEBUG is not defined, don't depend upon
9400 name_ being defined.
9401
9402 2003-02-03 Paul Eggert <eggert@twinsun.com>
9403
9404 * src/gram.h (start_symbol): Remove unused decl.
9405
9406 Use more-consistent naming conventions for local vars.
9407
9408 * src/derives.c (derives_compute): Change type of local var from
9409 int to rule_number.
9410 * src/gram.c (grammar_rules_partial_print): Likewise.
9411 * src/print.c (print_core): Likewise.
9412 * src/reduce.c (reduce_grammar_tables): Likewise.
9413
9414 * src/gram.c (grammar_dump): Change name of item_number *
9415 local var from r to rp.
9416 * src/nullable.c (nullable_compute): Likewise.
9417
9418 * src/gram.h (ISTOKEN, ISVAR): Use i, not s, for int var.
9419
9420 * src/gram.h (symbol_number_as_item_number): Use sym, not s,
9421 for symbol or symbol_number var.
9422 * src/reader.c (grammar_start_symbol_set): Likewise.
9423 * src/reader.h (grammar_start_symbol_set, grammar_symbol_append):
9424 Likewise.
9425 * src/state.c (transitions_to): Likewise.
9426 * src/state.h: Likewise.
9427 * src/tables.c (symbol_number_to_vector_number): Likewise.
9428
9429 * src/muscle_tab.h (MUSCLE_OBSTACK_SGROW): Use p, not s, for
9430 char * var.
9431
9432 * src/parse-gram.y (lloc_default): Use loc, not r, for YYLTYPE
9433 var.
9434
9435 * src/scan-gram.l (no_cr_read): Use bytes_read, not s, for size
9436 var.
9437
9438 * src/system.h (xstrndup, strchr, strspn, strnlen, memchr, memrchr):
9439 Use str, not s, for char * var. Use ch, not c, for character var.
9440 Use size for size var.
9441
9442 * src/uniqstr.c (uniqstr_new, uniqstr_assert): Use str, not s, for
9443 char * var.
9444 (uniqstr_print, uniqst_print_processor): Use ustr, not s, for
9445 uniqstr var.
9446 * src/uniqstr.h: Likewise.
9447
9448 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
9449 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
9450 get_node_alignment_str, get_arrow_mode_str, get_crossing_type_str,
9451 get_view_str, get_linestyle_str, get_arrowstyle_str): Rename
9452 param to have same name as that of enum, so that we don't use
9453 "s" to stand for a non-state.
9454
9455 2003-02-02 Akim Demaille <akim@epita.fr>
9456
9457 * src/scan-skel.l: Scan more than one inert character per yylex
9458 invocation.
9459
9460 2003-02-01 Paul Eggert <eggert@twinsun.com>
9461
9462 Version 1.875a.
9463
9464 * po/LINGUAS: Add ms.
9465
9466 2003-01-30 Akim Demaille <akim@epita.fr>
9467
9468 * doc/Makefile.am (CLEANFILES): Add bison.fns for distcheck.
9469
9470 2003-01-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
9471
9472 * tests/cxx-type.at: Correct apparent typo in Bison input: $$ instead
9473 of $1.
9474
9475 Changes in response to error report by S. Eken: GLR mode does not
9476 handle negative $ indices or $ indices in embedded rules correctly.
9477 See <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00076.html>.
9478
9479 * data/glr.c (b4_rhs_value): Change to use YYFILL macro.
9480 (b4_rhs_location): Ditto.
9481 (yyfill): New function to copy from stack tree into array
9482 incrementally.
9483 (yyuserAction): Modify to allow incremental move of semantic values
9484 to rhs array when in GLR mode.
9485 Define YYFILL to use in user-defined actions to fill semantic array
9486 as needed.
9487 Remove dummy use of yystack, as there is now a guaranteed use.
9488 (yydoAction): Modify to allow incremental move of semantic values
9489 to rhs array when in GLR mode.
9490 (yyresolveAction): Ditto.
9491 (yyglrShiftDefer): Update comment.
9492 (yyresolveStates): Use X == NULL for pointers, not !X.
9493 (yyglrReduce): Ditto.
9494 (yydoAction): Ditto
9495
9496 * tests/glr-regr1.at: Rename to ...
9497 * tests/glr-regression.at: Add new regression test for the problems
9498 described above (adapted from S. Eken).
9499 Update copyright notice.
9500 * tests/testsuite.at: Rename glr-regr1.at to glr-regression.at.
9501 * tests/Makefile.am: Ditto.
9502
9503 2003-01-28 Paul Eggert <eggert@twinsun.com>
9504
9505 * data/lalr1.cc: Do not use @output_header_name@ unless
9506 b4_defines_flag is set. This fixes two bugs reported by
9507 Tim Van Holder in
9508 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00071.html>
9509 and <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00073.html>.
9510
9511 2003-01-21 Paul Eggert <eggert@twinsun.com>
9512
9513 * data/yacc.c (YYERROR): Move code from yyerrlab1 to here, so that
9514 we don't need to worry about yyerrlab1 being reported as an
9515 "unused label" by non-GCC C compilers. The downside is that if
9516 locations are used then a couple of statements are duplicated each
9517 time YYERROR is invoked, but the upside is that the warnings
9518 should vanish.
9519 (yyerrlab1): Move code to YERROR.
9520 (yyerrlab2): Remove. Change uses back to yyerrlab1.
9521 This reverts some of the 2002-12-27 change.
9522
9523 2003-01-17 Paul Eggert <eggert@twinsun.com>
9524
9525 * src/output.c (symbol_printers_output): Fix typo that led
9526 to core dump. Problem reported by Antonio Rus in
9527 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00058.html>.
9528
9529 2003-01-13 Akim Demaille <akim@epita.fr>,
9530 Quoc Peyrot <chojin@lrde.epita.fr>,
9531 Robert Anisko <anisko_r@lrde.epita.fr>
9532
9533 * data/lalr1.cc (parse::yyerrlab1): When popping the stack, stop
9534 when the stacks contain one element, as the loop would otherwise
9535 free the last state, and then use the top state (the one we just
9536 popped). This means that the initial elements will not be freed
9537 explicitly, as is the case in yacc.c; it is not a problem, as
9538 these elements have fake values.
9539
9540 2003-01-11 Paul Eggert <eggert@twinsun.com>
9541
9542 * NEWS: %expect-violations are now just warnings, reverting
9543 to Bison 1.30 and 1.75 behavior. This fixes the GCC 3.2
9544 bootstrapping problem reported by Matthias Klose; see
9545 <http://lists.gnu.org/archive/html/bug-bison/2003-01/msg00053.html>.
9546 * src/conflicts.c (conflicts_print): Likewise.
9547 * tests/conflicts.at (%expect not enough, %expect too much,
9548 %expect with reduce conflicts): Likewise.
9549 * doc/bison.texinfo (Expect Decl): Document this. Also mention
9550 that the warning is enabled if the number of conflicts changes
9551 (not necessarily increases).
9552
9553 * src/getargs.c (version): Update copyright year.
9554
9555 2003-01-09 Akim Demaille <akim@epita.fr>
9556
9557 * src/Makefile.am, lib/Makefile.am: Use $(VAR) instead of @VAR@.
9558
9559 2003-01-08 Paul Eggert <eggert@twinsun.com>
9560
9561 * Makefile.maint (WGETFLAGS):
9562 New macro, containing "-C off" to disable proxy caches.
9563 All uses of $(WGET) changed to $(WGET) $(WGETFLAGS).
9564 (rel-check): Use $(WGET) instead of wget.
9565
9566 2003-01-06 Paul Eggert <eggert@twinsun.com>
9567
9568 * doc/bison.texinfo (Generalized LR Parsing): Add a reference to
9569 the GLR paper of Scott, Johnstone and Hussain.
9570
9571 2003-01-04 Paul Eggert <eggert@twinsun.com>
9572
9573 * configure.ac (AC_ARG_ENABLE): Add --disable-yacc.
9574 (YACC_SCRIPT, YACC_LIBRARY): New vars to AC_SUBST.
9575 * lib/Makefile.am (lib_LIBRARIES): liby.a -> @YACC_LIBRARY@.
9576 (EXTRA_LIBRARIES): New var, for liby.a.
9577 * src/Makefile.am (bin_SCRIPTS): yacc -> @YACC_SCRIPT@.
9578 (EXTRA_SCRIPTS): New var, for yacc.
9579
9580 * data/yacc.c (yyerrlab1): Omit attribute if __cplusplus is defined,
9581 since GNU C++ (as of 3.2.1) does not allow attributes on labels.
9582 Problem reported by Nelson H. F. Beebe.
9583
9584 2003-01-03 Paul Eggert <eggert@twinsun.com>
9585
9586 * lib/obstack.h (__INT_TO_PTR) [__STDC__]: Cast result to
9587 (void *) to avoid diagnostic with native c89 on SGI IRIX 6.5
9588 when compiling Bison 1.875's `bitset bset = obstack_alloc
9589 (bobstack, bytes);'. Problem reported by Nelson H. F. Beebe.
9590
9591 * src/scan-skel.l (QPUTS): Omit redundant `;' from macro definition.
9592 ([^@\n]): Renamed from [^@\n]+ so that the token buffer does not
9593 grow to a huge size with typical invocation.
9594
9595 * lib/hash.c (_Bool, bool, false, true, __bool_true_false_are_defined):
9596 Use the pattern recommended by Autoconf 2.57, except also protect
9597 against double-definition.
9598 * src/system.h: Likewise.
9599 Portability issues reported by Nelson H. F. Beebe.
9600
9601 * data/glr.c (yybool): Renamed from bool, to avoid collisions in C.
9602 All uses changed. Provide a definition in both C and C++.
9603 (yytrue, yyfalse): Define even if defined (__cplusplus).
9604
9605 * lib/bitset_stats.c (bitset_stats_list): Remove unused var.
9606 Reported by Nelson H. F. Beebe.
9607
9608 * src/scan-skel.l ("@oline@"): Output lineno+1, not lineno.
9609
9610 2003-01-02 Paul Eggert <eggert@twinsun.com>
9611
9612 * data/yacc.c (yyerrlab1): Append `;' after attribute, to
9613 pacify the buggy "smart preprocessor" in MacOS 10.2.3.
9614 Bug reported by Nelson H. F. Beebe.
9615
9616 2003-01-01 Paul Eggert <eggert@twinsun.com>
9617
9618 * Version 1.875.
9619
9620 2002-12-30 Paul Eggert <eggert@twinsun.com>
9621
9622 * src/scan-gram.l (<INITIAL,SC_AFTER_IDENTIFIER,SC_PRE_CODE>","):
9623 Moved here from...
9624 (<INITIAL>","): Here. This causes stray "," to be treated
9625 more uniformly.
9626
9627 * src/scan-gram.l (<SC_BRACED_CODE>"}"): Output ";" before the
9628 last brace in braced code when not in Yacc mode, for compatibility
9629 with Bison 1.35. This resurrects the 2001-12-15 patch to
9630 src/reader.c.
9631
9632 * src/reader.h (YYDECL): Use YYSTYPE, not its deprecated alias
9633 yystype. This follows up the 2002-12-24 YYSTYPE bug fix.
9634
9635 2002-12-28 Paul Eggert <eggert@twinsun.com>
9636
9637 * src/symtab.c (symbol_make_alias): Set type of SYMVAL to be
9638 that of SYM's type. This fixes Debian bug 168069, reported by
9639 Thomas Olsson.
9640
9641 2002-12-28 Paul Eggert <eggert@twinsun.com>
9642
9643 Version 1.75f.
9644
9645 Switch back to the Yacc style of conflict reports, undoing some
9646 of the 2002-07-30 change.
9647 * doc/bison.texinfo (Understanding): Use Yacc style for
9648 conflict reports. Also, use new way of locating rules.
9649 * src/conflicts.c (conflict_report):
9650 Renamed from conflict_report_yacc, removing the old
9651 'conflict_report'. Translate the entire conflict report at once,
9652 so that we don't assume that "," has the same interpretation in
9653 all languages.
9654 (conflicts_output): Use Yacc-style conflict report for each state,
9655 instead of our more-complicated style.
9656 (conflicts_print): Use Yacc-style conflict report, except print
9657 the input file name when not emulating Yacc.
9658 * tests/conflicts.at (Unresolved SR Conflicts, Defaulted
9659 Conflicted Reduction, %expect not enough, %expect too much,
9660 %expect with reduce conflicts): Switch to Yacc-style conflict reports.
9661 * tests/existing.at (GNU Cim Grammar): Likewise.
9662 * tests/glr-regr1.at (Badly Collapsed GLR States): Likewise.
9663
9664 * src/complain.c (warn_at, warn, complain_at, complain, fatal_at,
9665 fatal): Don't invoke fflush; it's not needed and it might even be
9666 harmful for stdout, as stdout might not be open.
9667 * src/reduce.c (reduce_print): Likewise.
9668
9669 2002-12-27 Paul Eggert <eggert@twinsun.com>
9670
9671 Fix a bug where error locations were not being recorded correctly.
9672 This problem was originally reported by Paul Hilfinger in
9673 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00086.html>.
9674
9675 * data/yacc.c (yyparse): New local var yylerrsp, to record the
9676 top of the location stack's error locations.
9677 (yyerrlab): Set it. When discarding a token, push its location
9678 onto yylerrsp so that we don't lose track of the error's end.
9679 (yyerrlab1): Now is only the target of YYERROR, so that we can
9680 properly record the location of the action that failed. For GCC
9681 2.93 and later, insert an __attribute__ ((__unused__)) to avoid
9682 GCC warning about yyerrlab1 being unused if YYERROR is unused.
9683 (yyerrlab2): New label, which yyerrlab now falls through to.
9684 Compute the error's location by applying YYLLOC_DEFAULT to
9685 the locations of all the symbols that went into the error.
9686 * doc/bison.texinfo (Location Default Action): Mention that
9687 YYLLOC_DEFAULT is also invoked for syntax errors.
9688 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR):
9689 Error locations include the locations of all the tokens that were
9690 discarded, not just the last token.
9691
9692 2002-12-26 Paul Eggert <eggert@twinsun.com>
9693
9694 * src/files.c: Include quote.h.
9695 (compute_output_file_names): Warn if we detect conflicting
9696 outputs to the same file. This should catch the misunderstanding
9697 exemplified by Debian Bug 165349, reported by Bruce Stephens..
9698
9699 * src/conflicts.c (conflicts_print): If the user specifies
9700 "%expect N", report an error if there are any reduce/reduce
9701 conflicts. This is what the manual says should happen.
9702 This fixes Debian bug 130890, reported by Anthony DeRobertis.
9703 * tests/conflicts.at (%expect with reduce conflicts): New test.
9704
9705 Don't use m4_include on relative file names, as it doesn't work as
9706 desired if there happens to be a file with that name under ".".
9707
9708 * m4sugar/version.m4: Remove; it was included but it wasn't used.
9709 * data/Makefile.am (dist_m4sugar_DATA): Remove m4sugar/version.m4.
9710 * data/m4sugar/m4sugar.m4: Don't include m4sugar/version.m4.
9711 * data/glr.c, data/lalr1.cc, data/yacc.c: Don't include c.m4.
9712 * src/output.c (output_skeleton): Use full path names when
9713 specifying a file to include; don't rely on include path, as
9714 it's unreliable when the working file contains a file with
9715 that name.
9716
9717 2002-12-25 Paul Eggert <eggert@twinsun.com>
9718
9719 Remove obsolete references to bison.simple and bison.hairy.
9720 Problem mentioned by Aubin Mahe in
9721 <http://lists.gnu.org/archive/html/help-bison/2002-12/msg00010.html>.
9722 * data/glr.c: Comment fix.
9723 * doc/bison.1: Remove references. Also, mention "yacc".
9724
9725 * src/getargs.c (getargs) [MSDOS]: Don't assume optarg != NULL
9726 with -g option.
9727
9728 * src/parse-gram.y (declaration): Use enum "report_states" rather
9729 than its numeric value 1.
9730
9731 * src/scan-skel.l ("@output ".*\n): Close any old yyout before
9732 opening a new one. This fixes Debian bug 165349, reported by
9733 Bruce Stephens.
9734
9735 2002-12-24 Paul Eggert <eggert@twinsun.com>
9736
9737 Version 1.75e.
9738
9739 * Makefile.maint (cvs-update): Don't assume that the shell
9740 supports $(...), as Solaris sh doesn't.
9741
9742 * src/parse-gram.y (lloc_default): Remove test for empty
9743 nonterminals at the end, since it didn't change the result.
9744
9745 2002-12-24 Paul Eggert <eggert@twinsun.com>
9746
9747 If the user does not define YYSTYPE as a macro, Bison now declares it
9748 using typedef instead of defining it as a macro. POSIX requires this.
9749 For consistency, YYLTYPE is also declared instead of defined.
9750
9751 %union directives can now have a tag before the `{', e.g., the
9752 directive `%union foo {...}' now generates the C code
9753 `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility.
9754 The default union tag is `YYSTYPE', for compatibility with Solaris 9
9755 Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE'
9756 instead of `yyltype'.
9757
9758 `yystype' and `yyltype' are now obsolescent macros instead of being
9759 typedefs or tags; they are no longer documented and will be
9760 withdrawn in a future release.
9761
9762 * data/glr.c (b4_location_type): Remove.
9763 (YYSTYPE): Renamed from yystype.
9764 (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef.
9765 (struct YYLTYPE): Renamed from struct yyltype.
9766 (YYLTYPE): Renamed from yyltype.
9767 (yyltype, yystype): New (and obsolescent) macros,
9768 for backward compatibility.
9769 * data/yacc.c: Likewise.
9770
9771 * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user
9772 does not specify a union tag. This is for compatibility with
9773 Solaris 9 yacc.
9774
9775 * src/parse-gram.y (add_param): 2nd arg is now char * not char
9776 const *, since it is now modified by stripping surrounding { }.
9777 (current_braced_code): Remove.
9778 (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION,
9779 PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include
9780 trailing " {...}". Now of type <chars>.
9781 (grammar_declaration): Adjust to bundled tokens.
9782 (code_content): Remove; stripping is now done by add_param.
9783 (print_token_value): Print contents of bundled tokens.
9784 (token_name): New function.
9785
9786 * src/reader.h (braced_code, current_braced_code): Remove.
9787 (token_name): New decl.
9788
9789 * src/scan-gram.l (handle_dollar, handle_at): Now takes int
9790 token_type, not braced_code code_kind. All uses changed.
9791 (SC_PRE_CODE): New state, for scanning after a keyword that
9792 has (or usually has) an immediately-following braced code.
9793 (token_type): New local var, to keep track of which token type
9794 to return when scanning braced code.
9795 (<INITIAL>"%destructor", <INITIAL>"%lex-param",
9796 <INITIAL>"%parse-param", <INITIAL>"%printer",
9797 <INITIAL>"%union"): Set token type and BEGIN SC_PRE_CODE
9798 instead of returning a token type immediately.
9799 (<INITIAL>"{"): Set token type.
9800 (<SC_BRACED_CODE>"}"): Use it.
9801 (handle_action_dollar, handle_action_at): Now returns bool
9802 indicating success. Fail if ! current_rule; this prevents a core dump.
9803 (handle_symbol_code_dollar, handle_symbol_code_at):
9804 Remove; merge body into caller.
9805 (handle_dollar, handle_at): Complain in invalid contexts.
9806
9807 * NEWS, doc/bison.texinfo: Document the above.
9808 * NEWS: Fix years and program names in copyright notice.
9809
9810 2002-12-17 Paul Eggert <eggert@twinsun.com>
9811
9812 * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error
9813 Reporting, Table of Symbols): Omit mentions of %lex-param and
9814 %parse-param from the documentation for now.
9815
9816 2002-12-15 Paul Eggert <eggert@twinsun.com>
9817
9818 Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke
9819 GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no
9820 lookahead symbol, and which sets yychar in parser actions) and it
9821 disagreed with the Bison documentation. Bug
9822 reported by Andrew Walrond.
9823
9824 * data/yacc.c (YYTRANSLATE): Don't check for negative argument,
9825 as the caller now does that.
9826 (yyclearin, YYBACKUP, yyparse): Use yychar, not yytoken.
9827 (YYEMPTY): Parenthesize right hand side, since others use it.
9828 (yyparse): Don't assume that our generated code is the only code
9829 that sets yychar.
9830
9831 2002-12-13 Paul Eggert <eggert@twinsun.com>
9832
9833 Version 1.75d.
9834
9835 POSIX requires a "yacc" command.
9836 * src/Makefile.am (bin_SCRIPTS): New macro, for yacc.
9837 (MOSTLYCLEANFILES): Add yacc.
9838 (yacc): New rule.
9839 * doc/bison.texinfo (Invocation, Bison Options): Mention yacc
9840 as an alias for bison y.
9841
9842 * po/LINGUAS: Add da.
9843
9844 * src/getargs.c (__GNU_LIBRARY__) [lint]: Define to work around
9845 problem with latest <getopt.h>.
9846 (HACK_FOR___GNU_LIBRARY___PROTOTYPE): New macro.
9847
9848 * doc/fdl.texi: Upgrade to 1.2.
9849 * lib/alloca.c, lib/error.c, lib/getopt.c, lib/getopt.h
9850 lib/getopt1.c, lib/gettext.h, lib/memrchr.c, lib/obstack.c,
9851 lib/obstack.h, lib/strnlen.c, lib/unlocked-io.h: Sync with
9852 gnulib.
9853 * config/install-sh: Sync with autotools.
9854
9855 Fix a bad interaction with flex 2.5.23 reported by Bruce Lilly in
9856 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
9857 * data/yacc.c (YYLTYPE, struct yyltype): Do not define unless
9858 locations are requested.
9859 (union yyalloc): Do not depend on YYLTYPE_IS_TRIVIAL unless
9860 locations are requested.
9861
9862 2002-12-12 Paul Eggert <eggert@twinsun.com>
9863
9864 Remove unportable casts and storage allocation tricks.
9865 While we're at it, remove almost all casts, since they
9866 usually aren't needed and are a sign of trouble.
9867
9868 * configure.ac (AC_CHECK_TYPES): Check for uintptr_t.
9869
9870 * src/derives.c (derives_compute): Do not subtract NTOKENS from
9871 the pointer DSET returned by malloc; this isn't portable.
9872 Instead, always use DSET[i - NTOKENS] rather than DSET[i].
9873 Similarly for DERIVES.
9874 * src/lalr.c (set_goto_map): Likewise, for GOTO_MAP and TEMP_MAP.
9875 * src/nullable.c (nullable_compute): Likewise, for RSETS and NULLABLE.
9876 * src/reduce.c (reduce_grammar_tables): Likewise, for nontermmap
9877
9878 * src/derives.c (derives_compute): Do not bother invoking
9879 int_of_rule_number, since rule numbers are integers.
9880
9881 * src/files.c (concat2, tr, compute_base_name): Use xmalloc (N)
9882 rather than XMALLOC (char, N).
9883
9884 * src/files.c (filename_split): Rewrite to avoid cast.
9885
9886 * src/gram.h (symbol_number_as_item_number,
9887 item_number_as_symbol_number, rule_number_as_item_number,
9888 item_number_as_rule_number):
9889 Now inline functions rather than macros, to avoid casts.
9890 * src/state.h (state_number_as_int): Likewise.
9891 * src/tables.c (state_number_to_vector_number,
9892 symbol_number_to_vector_number): Likewise.
9893
9894 * src/gram.h (int_of_rule_number): Remove; no longer used.
9895
9896 * src/lalr.c (add_lookback_edge): Use malloc rather than calloc,
9897 since the resulting storage is always stored into.
9898
9899 * src/main.c (alloca) [C_ALLOCA]: Add decl here, the only place
9900 where it's needed.
9901
9902 * src/muscle_tab.c (muscle_m4_output):
9903 Now inline. Return bool, not int.
9904 * src/state.c (state_compare): Likewise.
9905 * src/symtab.c (symbol_check_defined,
9906 symbol_check_alias_consistency, symbol_pack, symbol_translation,
9907 hash_compare_symbol, hash_symbol):
9908 Likewise.
9909 * src/uniqstr.c (uniqstr_print): Likewise.
9910 * src/muscle_tab.c (muscle_m4_output_processor):
9911 New function, to avoid casts.
9912 * src/state.c (state_comparator, stage_hasher): Likewise.
9913 * src/symtab.c (symbol_check_defined_processor,
9914 symbol_check_alias_consistency_processor, symbol_pack_processor,
9915 symbol_translation_processor, hash_symbol_comparator,
9916 hash_symbol_hasher): Likewise.
9917 * src/uniqstr.c (uniqstr_print_processor): Likewise.
9918 * src/muscle_tab.c (muscles_m4_output):
9919 Use new functions instead of casting old functions unportably.
9920 * src/state.c (state_hash_new): Likewise.
9921 * src/symtab.c (symbols_new, symbols_do, symbols_check_defined,
9922 symbols_token_translations_init):
9923 Likewise.
9924 * src/uniqstr.c (uniqstrs_new, hash_initialize, uniqstrs_do): Likewise.
9925
9926 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): Use long local
9927 var instead of casting to long, to avoid casts.
9928 (prepare_states): Use MALLOC rather than alloca, so that we don't
9929 have to worry about alloca.
9930 * src/state.c (state_hash_lookup): Likewise.
9931
9932 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>"'"): Use unsigned char
9933 local var instead of casting to unsigned char, to avoid casts.
9934
9935 * src/state.c (TRANSITIONS_ALLOC, ERRS_ALLOC, REDUCTIONS_ALLOC,
9936 STATE_ALLOC): Remove.
9937 (transitions_new, errs_new, reductions_new, state_new): Use malloc
9938 rather than calloc, and use offsetof to avoid allocating slightly
9939 too much storage.
9940 (state_new): Initialize all members.
9941
9942 * src/state.c (state_hash): Use unsigned accumulator, not signed.
9943
9944 * src/symtab.c (symbol_free): Remove; unused.
9945 (symbol_get): Remove cast in lhs of assignment.
9946 (symbols_do): Now static. Accept generic arguments, not
9947 hashing-related ones.
9948
9949 * src/symtab.h: (NUMBER_UNDEFINED): Remove unnecessary cast.
9950 (symbol_processor): Remove.
9951 (symbols_do): Remove decl; now static.
9952
9953 * src/system.h (alloca): Remove; decl no longer needed.
9954 (<stddef.h>): Include, for offsetof.
9955 (<inttypes.>, <stdint.h>): Include if available.
9956 (uintptr_t): New type, if system lacks it.
9957 (CALLOC, MALLOC, REALLOC): New macros.
9958 All uses of XCALLOC, XMALLOC, and XREALLOC changed to use these
9959 new macros.
9960
9961 * src/tables.c (table_size): Now int, to pacify GCC.
9962 (table_grow, table_ninf_remap): Use signed table size.
9963 (save_row): Don't bother initializing locals when not needed.
9964 (default_goto, goto_actions, pack_vector): Remove unnecessary casts.
9965 * src/uniqstr.c (hash_compare_uniqstr): Likewise.
9966
9967 * src/vcg.h: Correct misspellings.
9968
9969 * src/vcg_defaults.h (G_CMAX): Now INT_MAX.
9970
9971
9972 * src/getargs.c (getargs): Don't assume EOF == -1.
9973
9974 2002-12-09 Paul Eggert <eggert@twinsun.com>
9975
9976 Change identifier spellings to avoid collisions with names
9977 that are reserved by POSIX.
9978
9979 Don't use names ending in _t, since POSIX reserves them.
9980 For consistency, remove _e and _s endings -- they're weren't
9981 needed to remove ambiguity. All uses changed.
9982 * src/uniqstr.h (uniqstr): Renamed from uniqstr_t, which in
9983 turn was just renamed from struniq_t.
9984 * src/uniqstr.c (uniqstr_processor): Renamed from struniq_processor,
9985 which in turn was just renamed from struniq_processor_t.
9986 (hash_compare_uniqstr): Renamed from hash_compare_struniq, which
9987 in turn was renamed from hash_compare_struniq_t.
9988 * src/LR0.c (struct state_list): Renamed from struct state_list_s.
9989 (state_list): Renamed from state_list_t.
9990 * src/assoc.h (assoc): Renamed from assoc_t.
9991 * src/conflicts.c (enum conflict_resolution): Renamed from
9992 enum conflict_resolution_e.
9993 * src/derives.c (struct rule_list): Renamed from struct rule_list_s.
9994 (rule_list): Renamed from rule_list_t.
9995 * src/getargs.h (enum trace): Renamed from enum trace_e.
9996 (enum report): Renamed from enum report_e.
9997 * src/gram.h (item_number): Renamed from item_number_t.
9998 (rule_number): Renamed from rule_number_t.
9999 (struct rule_s): Remove the "rule_s" part; not used.
10000 (rule): Renamed from rule_t.
10001 (rule_filter): Renamed from rule_filter_t.
10002 * src/lalr.c (struct goto_list): Renamed from struct goto_list_s.
10003 (goto_list): Renamed from goto_list_t.
10004 * src/lalr.h (goto_number): Renamed from goto_number_t.
10005 * src/location.h (location): Renamed from location_t.
10006 * src/muscle_tab.c (muscle_entry): Renamed from muscle_entry_t,
10007 and moved here from:
10008 * src/muscle_tab.h (muscle_entry_t): here.
10009 * src/nullable.c (struct rule_list): Renamed from struct rule_list_s.
10010 (rule_list): Renamed from rule_list_t.
10011 * src/print_graph.c (static_graph): Renamed from graph.
10012 * src/reader.h (braced_code): Renamed from braced_code_t.
10013 Remove brace_code_e tag.
10014 * src/relation.h (relation_node): Renamed from relation_node_t.
10015 (relation_nodes): Renamed from relation_nodes_t.
10016 (relation): Renamed from relation_t.
10017 * src/state.h (state_number): Renamed from state_number_t.
10018 (struct state): Renamed from struct state_s.
10019 (state): Renamed from state_t.
10020 (transitions): Renamed from transitions_t. Unused (and
10021 misspelled) transtion_s tag removed.
10022 (errs): Renamed from errs_t. Unused errs_s tag removed.
10023 (reductions): Renamed from reductions_t. Unused tag
10024 reductions_s removed.
10025 * src/symlist.h (symbol_list): Renamed from symbol_list_t.
10026 (struct symbol_list): Renamed from struct symbol_list_s.
10027 * src/symtab.h (symbol_number): Renamed from symbol_number_t.
10028 (struct symbol): Renamed from struct symbol_s.
10029 (symbol): Renamed from symbol_t.
10030 * src/tables.c (vector_number): Renamed from vector_number_t.
10031 (action_number): Renamed from action_t.
10032 * src/tables.h (base_number): Renamed from base_t.
10033 * src/vcg.h (enum color): Renamed from enum color_e.
10034 (enum textmode): Renamed from enum textmode_e.
10035 (enum shape): Renamed from enum shape_e.
10036 (struct colorentry): Renamed from struct colorentry_s.
10037 (struct classname): Renamed from struct classname_s.
10038 (struct infoname): Renamed from struct infoname_s.
10039 (enum layoutalgorithm): Renamed from enum layoutalgorithm_e.
10040 (enum decision): Renamed from enum decision_e.
10041 (enum orientation): Renamed from enum orientation_e.
10042 (enum alignment): Renamed from enum alignment_e.
10043 (enum arrow_mode): Renamed from enum arrow_mode_e.
10044 (enum crossing_type): Renamed from enum crossing_type_e.
10045 (enum view): Renamed from enum view_e.
10046 (struct node): Renamed from struct node_s.
10047 (node): Renamed from node_t.
10048 (enum linestyle): Renamed from enum linestyle_e.
10049 (enum arrowstyle): Renamed from enum arrowstyle_e.
10050 (struct edge): Renamed from struct edge.
10051 (edge): Renamed from edge_t.
10052 (struct graph): Renamed from struct graph_s.
10053 (graph): Renamed from graph_t.
10054 * tests/calc.at (_AT_DATA_CALC_Y, Simple LALR Calculator):
10055 Rename value_t -> value.
10056 * tests/input.at (Torturing the Scanner): Rename value_t -> value,
10057 value_t_as_yystype -> value_as_yystype.
10058
10059 Don't include <errno.h> in the mainstream code, since it
10060 reserves E[A-Z0-9]* and we want to use symbols like 'EQUALS'.
10061 * lib/get-errno.c, lib/get-errno.h: New files.
10062 * lib/Makefile.am (libbison_a_SOURCES): Add get-errno.h,
10063 get-errno.c.
10064 * src/files.c (xfopen, xfclose): Use get_errno instead of errno.
10065 * src/output.c (output_skeleton): Likewise.
10066 * src/scan-gram.l (<INITIAL>{int}): Use set_errno and get_errno
10067 instead of errno.
10068 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>\\x[0-9abcdefABCDEF]+):
10069 Likewise.
10070 (handle_action_dollar, handle_action_at): Likewise.
10071 * src/system.h: Do not include <errno.h>.
10072 (TAB_EXT): Renamed from EXT_TAB.
10073 (OUTPUT_EXT): Renamed from EXT_OUTPUT.
10074
10075 Avoid str[a-z]*, since <string.h> reserves that name space.
10076 Change all instances of "struniq" in names to "uniqstr", and
10077 likewise for "STRUNIQ" and "UNIQSTR".
10078 * src/uniqstr.c: Renamed from src/struniq.c.
10079 * src/uniqstr.h: Renamed from src/struniq.h.
10080 * src/Makefile.am (bison_SOURCES): Adjust to these renamings.
10081 * src/files.c (strsuffix): Remove; unused.
10082 (concat2): Renamed from stringappend. Now static.
10083 * src/files.h (strsuffix, stringappend): Remove; unused.
10084 * src/parse-gram.y (<chars>): Renamed from <string>.
10085 (<uniqstr>): Renamed from <struniq>.
10086 * src/scan-gram.l (obstack_for_string): Renamed from string_obstack.
10087 * src/vcg.h (struct node_s.expand): Renamed from struct node_s.stretch.
10088 (struct graph_s.expand): Renamed from struct graph_s.stretch.
10089 * src/vcg_defaults.h (G_EXPAND): Renamed from G_STRETCH.
10090 (G_LONG_STRAIGHT_PHASE): Renamed from G_STRAIGHT_PHASE.
10091 (N_EXPAND): Renamed from N_STRETCH.
10092
10093 Avoid *_MAX and *_MIN, since <limits.h> reserves that name space.
10094 * data/yacc.c (YYSTACK_GAP_MAXIMUM): Renamed from YYSTACK_GAP_MAX.
10095 * src/gram.h (ITEM_NUMBER_MAX, ITEM_NUMBER_MIN, RULE_NUMBER_MAX):
10096 Remove; unused.
10097 * src/lalr.h (GOTO_NUMBER_MAXIMUM): Renamed from GOTO_NUMBER_MAX.
10098 * src/state.h (STATE_NUMBER_MAXIMUM): Renamed from STATE_NUMBER_MAX.
10099 * src/symtab.h (SYMBOL_NUMBER_MAXIMUM): Renamed from SYMBOL_NUMBER_MAX.
10100 * src/tables.c (VECTOR_NUMBER_MAX, VECTOR_NUMBER_MIN): Remove; unused.
10101 (BASE_MAXIMUM): Renamed from BASE_MAX.
10102 (BASE_MINIMUM): Renamed from BASE_MIN.
10103 (ACTION_MAX): Remove; unused.
10104 (ACTION_NUMBER_MINIMUM): Renamed from ACTION_MIN.
10105 Unnecessary casts removed from above defines.
10106
10107
10108 Fix misspelling in names.
10109 * src/vcg.h (enum_alignment_e): Renamed from enum_alignement_e.
10110 * src/vcg_defaults.h (G_NODE_ALIGNMENT): Renamed from
10111 G_NODE_ALIGNEMENT.
10112
10113
10114 * lib/timevar.c (timevar_report): Renamed from time_report,
10115 for consistency with other names.
10116 * lib/timevar.h (timevar_report): New decl.
10117 * src/system.h (time_report): Remove; decl is now in lib/timevar.h.
10118
10119
10120 Sort include-file uses.
10121
10122 Reorder all include files under src to be in the order "system.h".
10123 then the ../lib include files in angle brackets (alphabetized),
10124 then the . include files in double-quotes (alphabetized). Fix
10125 dependency breakages encountered in this process, as follows:
10126 * src/closure.h, src/derives.h, src/state.h: Include "gram.h".
10127 * src/complain.c: Don't include stdlib.h, string.h _LIBC stuff.
10128 * src/state.h: Include "symtab.h".
10129
10130 2002-12-08 Paul Eggert <eggert@twinsun.com>
10131
10132 * data/glr.c, data/lalr1.cc, data/yacc.c: Do not use __file__,
10133 since this causes problems when __file__ contains character
10134 sequences like "@" that are treated specially by src/scan-skel.l.
10135 Instead, just use the file's basename. This fixes the bug
10136 reported by Martin Mokrejs in
10137 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00007.html>.
10138
10139 2002-12-06 Paul Eggert <eggert@twinsun.com>
10140
10141 Add support for rules that do not have trailing semicolons, as
10142 POSIX requires. Improve the quality of locations in Bison
10143 diagnostics.
10144
10145 * src/location.c: Include <quotearg.h>.
10146 (empty_location): Now const.
10147 (location_print): New function. Follow the recommendation of the
10148 GNU Coding Standards for locations that span file boundaries.
10149 * src/location.h: Do not include <quotearg.h>; no longer needed.
10150 (boundary): New type.
10151 (location_t): Use it. This allows locations to span file boundaries.
10152 All member uses changed: file -> start.file or end.file (as needed),
10153 first_line -> start.line, first_column -> start.column,
10154 last_line -> end.line, last_column -> end.column.
10155 (equal_boundaries): New function.
10156 (LOCATION_RESET, LOCATION_STEP): Remove.
10157 (LOCATION_PRINT): Remove. All callers changed to use location_print.
10158 (empty_location): Now const.
10159 (location_print): New decl.
10160 * src/parse-gram.y (lloc_default): New function, which handles
10161 empty locations more accurately.
10162 (YYLLOC_DEFAULT): Use it.
10163 (%token COLON): Remove.
10164 (%token ID_COLON): New token.
10165 (rules): Use it.
10166 (declarations, rules): Remove trailing semicolon.
10167 (declaration, rules_or_grammar_declaration):
10168 Allow empty (";") declaration.
10169 (symbol_def): Remove empty actions; no longer needed.
10170 (rules_or_grammar_declaration): Remove trailing semicolon.
10171 (semi_colon.opt): Remove.
10172 * src/reader.h: Include location.h.
10173 (scanner_cursor): New decl.
10174 * src/reduce.c (nonterminals_reduce): Use warn_at rather than
10175 rolling our own.
10176 * src/scan-gram.l (YY_USER_INIT): Initialize scanner_cursor instead
10177 of *loc.
10178 (STEP): Remove. No longer needed, now that adjust_location does
10179 the work. All uses removed.
10180 (scanner_cursor): New var.
10181 (adjust_location): Renamed from extend_location. It now sets
10182 *loc and adjusts the scanner cursor. All uses changed.
10183 Don't bother testing for CR.
10184 (handle_syncline): Remove location arg; now updates scanner cursor.
10185 All callers changed.
10186 (unexpected_end_of_file): Now accepts start boundary of token or
10187 comment, not location. All callers changed. Update scanner cursor,
10188 not the location.
10189 (SC_AFTER_IDENTIFIER): New state.
10190 (context_state): Renamed from c_context. All uses changed.
10191 (id_loc, code_start, token_start): New local vars.
10192 (<INITIAL,SC_AFTER_IDENTIFIER>): New initial context. Move all
10193 processing of Yacc white space and equivalents here.
10194 (<INITIAL>{id}): Save id_loc. Begin state SC_AFTER_IDENTIFIER
10195 instead of returning ID immediately, since we need to search for
10196 a subsequent colon.
10197 (<INITIAL>"'", "\""): Save token_start.
10198 (<INITIAL>"%{", "{", "%%"): Save code_start.
10199 (<SC_AFTER_IDENTIFIER>): New state, looking for a colon.
10200 (<SC_YACC_COMMENT>, <SC_COMMENT>, <SC_LINE_COMMENT>):
10201 BEGIN context_state at end, not INITIAL.
10202 (<SC_ESCAPED_STRING>"\"", <SC_ESCAPED_CHARACTER>"'",
10203 <SC_BRACED_CODE>"}", <SC_PROLOGUE>"%}", <SC_EPILOGUE><<EOF>>):
10204 Return correct token start.
10205 (<SC_BRACED_CODE,SC_PROLOGUE,SC_EPILOGUE>): Save start boundary when
10206 the start of a character, string or multiline comment is found.
10207 * tests/conflicts.at (S/R in initial, Defaulted Conflicted
10208 Reduction): Adjust reported locations to match the more-precise
10209 results now expected.
10210 * tests/input.at (Invalid $n, Invalid @n, Type Clashes): Likewise.
10211 * tests/reduce.at (Useless Rules, Reduced Automaton,
10212 Underivable Rules): Likewise.
10213 * tests/regression.at (Invalid inputs): No longer `expecting ";"
10214 or "|"' now that so many other tokens are allowed by the new grammar.
10215
10216 * src/complain.h (current_file): Remove duplicate decl;
10217 current_file is now owned by files.h.
10218 * src/complain.c, src/scan-gram.l: Include files.h.
10219
10220 2002-12-06 Paul Eggert <eggert@twinsun.com>
10221
10222 * data/glr.c (yy_reduce_print): Don't assume that yyrline[yyrule]
10223 promotes to int; it might be unsigned int.
10224 * data/yacc.c (yy_reduce_print): Likewise.
10225
10226 * doc/bison.texinfo (Table of Symbols): YYERROR_VERBOSE should
10227 be #defined in the prologue, not in the Bison declarations.
10228 This fixes Debian Bug 102878, reported by Shaul Karl.
10229
10230 2002-12-02 Paul Eggert <eggert@twinsun.com>
10231
10232 * configure.ac (AC_REPLACE_FUNCS): Add strtoul.
10233 * lib/strtoul.c: New file, from gnulib.
10234 This fixes a porting bug reported by Peter Klein in
10235 <http://lists.gnu.org/archive/html/bug-bison/2002-12/msg00000.html>.
10236
10237 2002-11-30 Paul Eggert <eggert@twinsun.com>
10238
10239 * src/scan-gram.l (no_cr_read, extend_location): Move to epilogue,
10240 and put only a forward declaration in the prologue. This is for
10241 consistency with the other scanner helper functions.
10242
10243 Type clashes now generate warnings, not errors, since it
10244 appears that POSIX may allow some grammars with type clashes.
10245 * src/reader.c (grammar_current_rule_check): Warn about
10246 type clashes instead of complaining.
10247 * tests/input.at (Type Clashes): Expect warnings, not complaints.
10248
10249 Add Yacc library, since POSIX requires it.
10250 * doc/bison.texinfo (Yacc Library): New node. Regenerate top menu.
10251 * lib/Makefile.am (lib_LIBRARIES, liby_a_SOURCES): New macros.
10252 * lib/main.c, lib/yyerror.c: New files.
10253
10254 gram_error can be static; it need not be extern.
10255 * src/reader.h (gram_error): Remove decl.
10256 * src/parse-gram.y (gram_error): Now static. Add static decl.
10257 (print_token_value): Omit parameter names from forward decl,
10258 for consistency.
10259
10260 2002-11-29 Paul Eggert <eggert@twinsun.com>
10261
10262 * doc/bison.texinfo: Emphasize that yylex and yyerror must
10263 be declared before being used. E.g., one should typically
10264 declare them in the prologue. Use GNU coding style in examples.
10265 Put "const" consistently after the type it modifies. Mention
10266 that C99 supports "inline". Mention that yyerror traditionally
10267 returns "int".
10268
10269 %parse-param and %lex-param now take just one argument, the
10270 declaration; the argument name is deduced from the declaration.
10271
10272 * doc/bison.texinfo (Parser Function, Pure Calling, Error
10273 Reporting, Table of Symbols): Document this.
10274 * src/parse-gram.y (add_param): New function.
10275 (COMMA): Remove.
10276 (declaration): Implement new rule for %parse-param and %lex-param.
10277 * src/scan-gram.l: "," now elicits a warning, rather than being
10278 a token; this is more compatible with byacc.
10279 * tests/calc.at (Simple LALR Calculator): Adopt new convention.
10280
10281 2002-11-27 Paul Eggert <eggert@twinsun.com>
10282
10283 Rename identifiers to avoid real and potential collisions.
10284
10285 * data/c.m4 (b4_yysymprint_generate): yyout -> yyoutput,
10286 to avoid collision with lex macro described by Bruce Lilly in
10287 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00114.html>.
10288 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise.
10289 * doc/bison.texinfo (Prologue, Tracing): yyprint -> print_token_value.
10290 * src/parse-gram.y (print_token_value): Renamed from yyprint.
10291 All uses changed.
10292 (YYPARSE_PARAM, YYLEX_PARAM, yycontrol): Remove. All uses changed.
10293 The name "yycontrol" violates the name space rules, and this stuff
10294 wasn't being used anyway.
10295 (input): Remove action; this stuff wasn't being used.
10296 (gram_error): Rename local variable yylloc -> loc.
10297 * src/reader.h (struct gram_control_s, gram_control_t): Remove.
10298 (YY_DECL): Don't use "yy" at start of local variables.
10299 All uses changed, e.g., yylloc -> loc.
10300 * src/scan-gram.l (STEP): Renamed from YY_STEP. All uses changed.
10301 (STRING_GROW): Renamed from YY_OBS_GROW. All uses changed.
10302 (STRING_FINISH): Renamed from YY_OBS_FINISH. All uses changed.
10303 (STRING_FREE): Renamed from YY_OBS_FREE. All uses changed.
10304
10305 * src/parse-gram.y (gram_error): loc is now const *.
10306 * src/reader.h (gram_error): Likewise.
10307
10308 2002-11-24 Paul Eggert <eggert@twinsun.com>
10309
10310 Version 1.75c.
10311
10312 * tests/actions.at (Actions after errors): Use an output format
10313 more similar to that of the Printers and Destructors test.
10314 Test the position of the ';' token too.
10315 (Printers and Destructors): Likewise.
10316 (Printers and Destructors: %glr-parser): Remove for now, to avoid
10317 unnecessarily alarming people when the test fails.
10318
10319 * data/yacc.c (yyerrlab1): Move this label down, so that the
10320 parser does not discard the lookahead token if the user code
10321 invokes YYERROR. This change is required for POSIX conformance.
10322
10323 * lib/error.c: Sync with gnulib.
10324
10325 2002-11-22 Paul Eggert <eggert@twinsun.com>
10326
10327 * lib/quotearg.c, lib/quotearg.h: Sync with gnulib.
10328 * lib/mbswidth.c, lib/mbswidth.h: Likewise.
10329 * lib/xmalloc.c: Likewise.
10330
10331 2002-11-20 Paul Eggert <eggert@twinsun.com>
10332
10333 * lib/argmatch.c, lib/argmatch.h: Sync with gnulib.
10334
10335 2002-11-20 Paul Eggert <eggert@twinsun.com>
10336
10337 Avoid use of <assert.h>, as the GNU Coding Standards hint that one
10338 should use `if (! x) abort ();' rather than `assert (x);', and
10339 anyway it's one less thing to worry about configuring.
10340
10341 * data/glr.c, lib/hash.c, src/system.h: Do not include <assert.h>.
10342 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Likewise,
10343 and replace all instances of assert with abort.
10344 * tests/calc.at (_AT_DATA_CALC_Y): Likewise.
10345 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): Likewise.
10346
10347 * data/glr.c (yydoAction, yyglrReduce, yysplitStack, yyresolveStates,
10348 yyresolveAction, yyprocessOneStack): Use abort rather than assert.
10349 * lib/hash.c (hash_lookup, hash_get_first, hash_get_next,
10350 hash_find_entry, hash_rehash, hash_insert): Likewise.
10351 * src/conflicts.c (resolve_sr_conflict): Likewise.
10352 * src/lalr.c (set_goto_map, map_goto): Likewise.
10353 * src/nullable.c (nullable_compute): Likewise.
10354 * src/output.c (prepare_rules, token_definitions_output): Likewise.
10355 * src/reader.c (packgram, reader): Likewise.
10356 * src/state.c (state_new, state_free, state_transitions_set,
10357 state_reduction_find): Likewise.
10358 * src/symtab.c (symbol_user_token_number_set, symbol_make_alias,
10359 symbol_pack): Likewise.
10360 * src/tables.c (conflict_row, pack_vector): Likewise.
10361 * src/vcg.c (get_color_str, get_textmode_str, get_shape_str,
10362 get_layoutalgorithm_str, get_decision_str, get_orientation_str,
10363 get_node_alignement_str, get_arrow_mode_str, get_crossing_type_str,
10364 get_view_str, get_linestyle_str, get_arrowstyle_str): Likewise.
10365
10366 * lib/argmatch.h (ARRAY_CARDINALITY): Do not bother to #undef.
10367 (ARGMATCH_CONSTRAINT): New macro.
10368 (ARGMATCH_ASSERT): Use it.
10369
10370 * src/system.h (verify): New macro.
10371 * src/getargs.c (trace_argmatch, report_argmatch): Use verify
10372 rather than assert.
10373 * src/tables.c (tables_generate): Likewise.
10374
10375 * src/struniq.c (struniq_assert): Now returns void, and aborts
10376 if the assertion is false.
10377 (struniq_assert_p): Remove.
10378 * src/struniq.h: Likewise.
10379
10380 2002-11-18 Paul Eggert <eggert@twinsun.com>
10381
10382 * data/glr.c (yygetLRActions): Replace `yyindex' with
10383 `yytable[yyindex]' to fix typo introduced in my 2002-11-09 patch.
10384 This fixes the regression with Sun ONE Studio 7 cc that I reported in
10385 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00077.html>.
10386
10387 2002-11-18 Akim Demaille <akim@epita.fr>
10388
10389 * doc/bison.texinfo (Tracing): `yyprint' shouldn't prepend a
10390 space.
10391 From Tim Van Holder.
10392
10393 2002-11-17 Paul Eggert <eggert@twinsun.com>
10394
10395 Pacify Sun ONE Studio 7 lint. Also, rename "ParseError"
10396 to "SyntaxError" for consistency with my 2002-11-15 change.
10397
10398 * data/glr.c (YYDPRINTF, YYDSYMPRINT, YYDSYMPRINTF) [!YYDEBUG]: Do
10399 not define to {}, since this breaks the common use of `YYDPRINTF
10400 ((...));' if a single statement is desired (e.g. before `else').
10401 Work around GCC warnings by surrounding corresponding calls with
10402 {} if needed.
10403 (yyhasResolvedValue): Remove unused function.
10404 (yymergeOptionSets, yyresolvStack): Use `continue;' for empty
10405 loop body.
10406 (yyreportSyntaxError): Renamed from yyreportParseError.
10407 (yyrecoverSyntaxError): Renamed from yyrecoverParseError.
10408 All uses changed.
10409 * tests/calc.at (_AT_DATA_CALC_Y): Make vars static instead of
10410 extern when possible. Remove unused initializations.
10411
10412 2002-11-16 Akim Demaille <akim@epita.fr>
10413
10414 Augment the similarity between GLR and LALR traces.
10415
10416 * data/yacc.c (yy_stack_print, YY_STACK_PRINT, yy_reduce_print)
10417 (YY_REDUCE_PRINT): New.
10418 (yyparse): Use them.
10419 * data/glr.c (yy_reduce_print): Use YYFPRINTF, no need for
10420 YYDPRINT here.
10421 (yyglrReduce, yyrecoverParseError, yyparse): Don't report the
10422 state reached after the reduction/recovery, since...
10423 (yyparse, yyprocessOneStack): Report the state we are entering in.
10424
10425 2002-11-16 Akim Demaille <akim@epita.fr>
10426
10427 * src/getargs.h, src/getargs.c (trace_e, trace_args, trace_types):
10428 Add support for --trace=skeleton.
10429 * src/scan-skel.l: %option debug.
10430 Scan strings of non-@ or \n instead of character by character.
10431 (scan_skel): Handle trace_skeleton.
10432 (QPUTS): New.
10433 (@output_parser_name@, @output_header_name@): ``Restore'' their
10434 support (used to be M4 macros).
10435 * data/yacc.c: Quote larger chunks, a la glr.c.
10436 * data/lalr1.cc: Likewise.
10437 The header guards are no longer available, so use some other
10438 string than `YYLSP_NEEDED'.
10439
10440 2002-11-16 Akim Demaille <akim@epita.fr>
10441
10442 Make the ``Printers and Destructors'' test more verbose, taking
10443 `yacc.c''s behavior as (possibly wrong) reference.
10444
10445 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Use printf
10446 instead of fprint on stdout.
10447 Set and report the last_line of the symbols.
10448 Consistently display values and locations.
10449
10450 2002-11-16 Paul Eggert <eggert@twinsun.com>
10451
10452 * data/yacc.c: Avoid over-quoting of __line__ and __file__.
10453
10454 2002-11-15 Paul Eggert <eggert@twinsun.com>
10455
10456 * tests/actions.at (Actions after errors): New test case.
10457
10458 * data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,
10459 src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
10460 tests/action.at, tests/calc.at, tests/conflicts.at,
10461 tests/cxx-type.at, tests/regression.at:
10462 "parse error" -> "syntax error" for POSIX compatibility.
10463 "parsing stack overflow..." -> "parser stack overflow" so
10464 that code matches Bison documentation.
10465
10466 2002-11-15 Akim Demaille <akim@epita.fr>
10467
10468 * src/parse-gram.y (declaration): Have %parse-param and %lex-param
10469 take two BRACED_CODE, not two string_content.
10470 Free the scanner's obstack when we are done.
10471 (code_content): New.
10472 * tests/calc.at: Adjust.
10473 * doc/bison.texinfo: Adjust.
10474 Also, make sure to include the `,' for these declarations.
10475
10476 2002-11-15 Tim Van Holder <tim.van.holder@pandora.be>
10477
10478 * m4/prereq.m4: Removed the commented jm_PREREQ_HASH
10479 definition; avoids potential autoreconf problems.
10480
10481 2002-11-15 Akim Demaille <akim@epita.fr>
10482
10483 Always check the value returned by yyparse.
10484
10485 * tests/calc.at (_AT_DATA_CALC_Y): Have `main' exit with the value
10486 returned by yyparse.
10487 (_AT_CHECK_CALC_ERROR): Take the expected exit value as argument.
10488 Adjust calls.
10489 * tests/glr-regr1.at (glr-regr1.y): Have `main' exit with the value
10490 returned by yyparse.
10491
10492 2002-11-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
10493
10494 * data/glr.c (yyFail): Always set yyerrflag. Corrects regression
10495 on input.at test.
10496
10497 2002-11-14 Paul Eggert <eggert@twinsun.com>
10498
10499 * src/output.c (output_skeleton): Call xfopen instead of
10500 duplicating xfopen's body.
10501
10502 Fix bugs reported by Nelson H. F. Beebe in
10503 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00078.html>.
10504
10505 * tests/headers.at (AT_TEST_CPP_GUARD_H): Don't assume that
10506 "$CC -E foo.h" is allowed, as this doesn't work with the Portland
10507 Group compiler. Instead, use "$CC -E bar.c". Include the .h
10508 file twice in the grammar, as an extra check.
10509
10510 * tests/input.at (Torturing the Scanner): Surround the
10511 backslash-newline tests with "#if 0", to make it less likely that
10512 we'll run into compiler bugs. Bring back solitary \ inside
10513 comment, but add a closing comment to work around HP C bug. Don't
10514 test backslash-newline in C character constant.
10515
10516 2002-11-14 Akim Demaille <akim@epita.fr>
10517
10518 * tests/synclines.at (AT_SYNCLINES_COMPILE): Ignore the exit
10519 status of the compiler.
10520 Calling `exit 1' is no longer needed.
10521 Reported by Nelson H. F. Beebe.
10522
10523 2002-11-14 Akim Demaille <akim@epita.fr>
10524
10525 * tests/atlocal.in (CPPFLAGS): We have config.h.
10526 * tests/testsuite.at (AT_DATA_GRAMMAR_PROLOGUE, AT_DATA_GRAMMAR):
10527 New.
10528 * tests/actions.at, tests/calc.at, tests/conflicts.at,
10529 * tests/cxx-type.at, tests/glr-regr1.at, tests/headers.at,
10530 * tests/regression.at, tests/torture.at: Use them for all the
10531 grammars that are to be compiled.
10532 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Rename as...
10533 * tests/cxx-type.at (_AT_TEST_GLR_CXXTYPES): this.
10534 * doc/bison.texinfo (GLR Parsers): Document `inline'.
10535
10536 2002-11-14 Akim Demaille <akim@epita.fr>
10537
10538 * doc/bison.texinfo: Various formatting changes (alignments in
10539 samples, additional @group/@end group, GCS in samples.
10540 Use @deffn instead of simple @table to define the directives,
10541 macros, variables etc.
10542
10543 2002-11-13 Paul Eggert <eggert@twinsun.com>
10544
10545 Fix some bugs reported by Albert Chin-A-Young in
10546 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00066.html>.
10547
10548 * tests/input.at (Torturing the Scanner): Don't invoke "cc a.c b.c
10549 -o c"; the HP C compiler chatters during compilation.
10550 Instead, invoke "cc -c a.c -o a.o; cc -c b.c -o b.o; cc a.o b.o -o c".
10551 * tests/headers.at (export YYLTYPE): Likewise.
10552
10553 * tests/input.at (Torturing the Scanner): Remove lines containing
10554 solitary backslashes, as they tickle a bug in the HP C compiler.
10555
10556 * tests/glr-regr1.at (Badly Collapsed GLR States): Avoid //
10557 comments, since they're not portable. Use GNU coding style.
10558
10559 2002-11-13 Akim Demaille <akim@epita.fr>
10560
10561 * data/yacc.c: Leave bigger chunks of quoted text.
10562 (YYDSYMPRINTF): New.
10563 Use it to report symbol activities.
10564 * data/glr.c (YYDSYMPRINTF): New.
10565 Use it.
10566
10567 2002-11-12 Paul Eggert <eggert@twinsun.com>
10568
10569 Version 1.75b.
10570
10571 * data/glr.c (yydoAction): Return YYRESULTTAG, not int.
10572 (yyglrReduce): Return yyok, not 0.
10573 This should avoid the enumerated-type warnings reported
10574 by Nelson H. F. Beebe in
10575 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00057.html>.
10576
10577 * lib/bbitset.h (BITSET_INLINE): Remove.
10578 * lib/bitset.h [! BITSET_INLINE]: Remove.
10579 (bitset_set, bitset_reset, bitset_test): Rename local vars
10580 to avoid shadowing warnings by GCC.
10581
10582 * data/glr.c (inline): Remove #define. It's the user's
10583 responsibility to #define it away, just like 'const'.
10584 This fixes one of the bugs reported by Nelson H. F. Beebe in
10585 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00058.html>.
10586
10587 * Makefile.maint (po-check): Scan .l and .y files instead of the
10588 .c and the .h files that they generate. This fixes the bug
10589 reported by Tim Van Holder in:
10590 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00062.html>
10591 Look for N_ as well as for _. Try to avoid matching #define for
10592 N_ and _.
10593 * po/POTFILES.in: Remove src/parse-gram.c, src/scan-gram.c,
10594 src/system.h. Add src/parse-gram.y, src/scan-gram.l.
10595 * src/scan-gram.l: Revamp regular expressions so that " and '
10596 do not confuse xgettext.
10597
10598 * src/struniq.h (struniq_new): Do not declare the return type
10599 to be 'const'; this violates the C standard.
10600 * src/struniq.c (struniq_new): Likewise.
10601
10602 2002-11-12 Albert Chin-A-Young <china@thewrittenword.com>
10603
10604 * src/Makefile.am (LDADD): Link $(LIBINTL) last to avoid the
10605 duplicate definition of optind on Tru64 UNIX 4.0D with the Compaq
10606 linker.
10607
10608 2002-11-12 Akim Demaille <akim@epita.fr>
10609
10610 * Makefile.maint: Sync with Autoconf:
10611 (local_updates): New.
10612
10613 2002-11-12 Akim Demaille <akim@epita.fr>
10614
10615 * po/POTFILES.in (src/lalr.c, src/state.c): Remove
10616
10617 2002-11-12 Akim Demaille <akim@epita.fr>
10618
10619 * tests/actions.at (_AT_CHECK_PRINTER_AND_DESTRUCTOR): Display the
10620 locations.
10621
10622 2002-11-12 Akim Demaille <akim@epita.fr>
10623
10624 * data/c.m4 (b4_yysymprint_generate): Pass *yyvaluep to YYPRINT,
10625 not yyvalue.
10626
10627 2002-11-12 Akim Demaille <akim@epita.fr>
10628
10629 * tests/actions.at (AT_CHECK_PRINTER_AND_DESTRUCTOR): New.
10630 Use it to test the GLR parser.
10631
10632 2002-11-12 Akim Demaille <akim@epita.fr>
10633
10634 * tests/regression.at (input.y): s/YYEOF/MYEOF/, as the skeleton
10635 defines it.
10636 * data/glr.c (yystos): New.
10637 (b4_yysymprint_generate, b4_yydestruct_generate): Invoke.
10638 (YYDSYMPRINT): New.
10639 (yyval): Don't define it, it is handled via M4.
10640 (yyrecoverParseError): Free verbosely the discarded symbols.
10641 * data/yacc.c (yysymprint): Remove, rather...
10642 (b4_yysymprint_generate): invoke.
10643 * data/c.m4 (b4_yysymprint_generate): New.
10644 Accept pointers as arguments, as opposed to the version from
10645 yacc.c.
10646 (b4_yydestruct_generate): Likewise.
10647 * tests/cations.at (Printers and Destructors): Use Bison directives
10648 instead of CPP macros.
10649 Don't rely on internal details.
10650
10651 2002-11-12 Akim Demaille <akim@epita.fr>
10652
10653 * data/c.m4 (b4_yydestruct_generate, b4_symbol_actions): New.
10654 * data/yacc.c: Rename yychar1 as yytoken, as in glr.c.
10655 Don't work on yychar (i.e., do set it to YYEMPTY, don't match
10656 it against YYEMPTY and so forth), work on yytoken (i.e., set
10657 it to YYEMPTY etc.).
10658 (yydestruct): Replace with a b4_yydestruct_generate invocation.
10659 (b4_symbol_actions): Remove.
10660 * data/glr.c (YYTRANSLATE): As for yacc.c, if negative, it stands
10661 for 0, end-of-input.
10662
10663 2002-11-12 Akim Demaille <akim@epita.fr>
10664
10665 * doc/bison.texinfo (Destructor Decl): New.
10666
10667 2002-11-12 Akim Demaille <akim@epita.fr>
10668
10669 * src/tables.c (tables_generate): Use free for pointers that
10670 cannot be NULL, not XFREE.
10671 (pack_vector): Use assert, not fatal, for bound violations.
10672 * src/state.c (state_new): Likewise.
10673 * src/reader.c (reader): Likewise.
10674 * src/lalr.c (set_goto_map): Likewise.
10675 * src/location.h (LOCATION_PRINT): If first_line is 0, just issue
10676 the file name.
10677
10678 2002-11-12 Akim Demaille <akim@epita.fr>
10679
10680 * src/scan-gram.l, src/reader.h (scanner_last_string_free):
10681 Restore.
10682 * src/scan-gram.l (last_string): Is global to the file, not to
10683 yylex.
10684 * src/parse-gram.y (input): Don't append the epilogue here,
10685 (epilogue.opt): do it here, and free the scanner's obstack.
10686 * src/reader.c (epilogue_set): Rename as...
10687 (epilogue_augment): this.
10688 * data/c.m4 (b4_epilogue): Defaults to empty.
10689
10690 2002-11-12 Akim Demaille <akim@epita.fr>
10691
10692 * src/getargs.c (long_options): Remove duplicates.
10693 * src/vmsgetargs.c, src/build.com, src/bison.cld, src/vmshlp.mar:
10694 Remove.
10695 * doc/bison.rnh: Remove.
10696 * doc/bison.texinfo (VMS Invocation): Remove.
10697
10698 2002-11-12 Akim Demaille <akim@epita.fr>
10699
10700 * src/struniq.h, src/struniq.c (struniq_t): Is const.
10701 (STRUNIQ_EQ, struniq_assert, struniq_assert_p): New.
10702
10703 Use struniq for symbols.
10704
10705 * src/symtab.h (symbol_t): The tag member is a struniq.
10706 (symbol_type_set): Adjust.
10707 * src/symtab.c (symbol_new): Takes a struniq.
10708 (symbol_free): Don't free the tag member.
10709 (hash_compare_symbol_t, hash_symbol_t): Rename as...
10710 (hash_compare_symbol, hash_symbol): these.
10711 Use the fact that tags as struniqs.
10712 (symbol_get): Use struniq_new.
10713 * src/symlist.h, src/symlist.c (symbol_list_n_type_name_get):
10714 Returns a strniq.
10715 * src/reader.h (merger_list, grammar_currentmerge_set): The name
10716 and type members are struniqs.
10717 * src/reader.c (get_merge_function)
10718 (grammar_current_rule_merge_set): Adjust.
10719 (TYPE, current_type): Are struniq.
10720
10721 Use struniq for file names.
10722
10723 * src/files.h, src/files.c (infile): Split into...
10724 (grammar_file, current_file): these.
10725 * src/scan-gram.c (YY_USER_INIT, handle_syncline): Adjust.
10726 * src/reduce.c (reduce_print): Likewise.
10727 * src/getargs.c (getargs): Likewise.
10728 * src/complain.h, src/complain.c: Likewise.
10729 * src/main.c (main): Call struniqs_new early enough to use it for
10730 file names.
10731 Don't free the input file name.
10732
10733 2002-11-12 Akim Demaille <akim@epita.fr>
10734
10735 * src/symtab.c (symbol_free): Remove dead deactivated code:
10736 type_name are properly removed.
10737 Don't use XFREE to free items that cannot be NULL.
10738 * src/struniq.h, src/struniq.c: New.
10739 * src/main.c (main): Initialize/free struniqs.
10740 * src/parse-gram.y (%union): Add astruniq member.
10741 (yyprint): Adjust.
10742 * src/scan-gram.l (<{tag}>): Return a struniq.
10743 Free the obstack bit that used to store it.
10744 * src/symtab.h (symbol_t): The 'type_name' member is a struniq.
10745
10746 2002-11-11 Paul Eggert <eggert@twinsun.com>
10747
10748 Revamp to fix many (but not all) of the C- and M4-related quoting
10749 problems. Among other things, this fixes the Bison bug reported
10750 by Jan Hubicka when processing the Bash grammar; see:
10751 <http://lists.gnu.org/archive/html/bison-patches/2002-11/msg00039.html>
10752
10753 Use new @ escapes consistently. Represent brackets with @{ and @}
10754 rather than @<:@ and @:>@, since this works a bit better with dumb
10755 editors like vi. Represent @ with @@, since @ is now consistently
10756 an escape. Use @oline@ and @ofile@ rather than __oline__ and
10757 __ofile__, to avoid unexpected expansions. Similarly, use @output
10758 rather than #output.
10759
10760 * data/c.m4 (b4_copyright): Omit file name from comment, since
10761 the file name could contain "*/".
10762 (b4_synclines_flag): Don't quote the 2nd argument; it should already
10763 be quoted. All uses changed.
10764
10765 * data/glr.c: Use new @ escapes consistently.
10766 (b4_input_suffix, b4_output_parser_suffix, b4_output_parser_name,
10767 b4_output_header_suffix, b4_output_header_name, b4_header_guard):
10768 Remove, since they couldn't handle arbitrary characters in file
10769 names.
10770 * data/lalr1.cc: Likewise.
10771 * data/yacc.c: Likewise.
10772
10773 * src/files.c (output_infix): Remove; all uses removed.
10774 * src/files.h: Likewise.
10775
10776 * data/glr.c: Remove use of "#ifdef b4_header_guard", since it
10777 mishandled funny characters in file names, and anyway it isn't
10778 needed any more.
10779 * data/yacc.c: Likewise.
10780 * data/lalr1.cc: Use YYSLP_NEEDED instead of b4_header_guard.
10781
10782 * data/glr.c (YYSTYPE_IS_TRIVIAL): Define when the .h file would.
10783 * data/yacc.c: Likewise.
10784
10785 * src/muscle_tab.c: Include quotearg.h, since we need to quote C
10786 strings now.
10787 (muscle_init): Quote filename as a C string.
10788 * src/muscle_tab.h (MUSCLE_GROW_STRING_PAIR): Remove; unused.
10789 (MUSCLE_OBSTACK_SGROW, MUSCLE_INSERT_C_STRING): New macros.
10790 * src/output.c (escaped_file_name_output): New function.
10791 (prepare_symbols): Quote tokens for M4.
10792 (prepare): Don't insert output_infix, output_prefix,
10793 output_parser_name, output_header_name; this is now down by scan-skel.
10794 Insert skeleton as a C string.
10795
10796 * src/output.c (user_actions_output, symbol_destructors_output,
10797 symbol_printers_output): Quote filenames for C and M4.
10798 * src/reader.c (prologue_augment, epilogue_set): Likewise.
10799
10800 * src/scan-gram.l (<SC_CHARACTER>): Don't worry about any backslash
10801 escapes other than \\ and \'; this simplifies the code.
10802 (<SC_STRING>): Likewise, for \\ and \".
10803 (<SC_COMMENT,SC_LINE_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,
10804 SC_PROLOGUE,SC_EPILOGUE>): Escape $ and @, too.
10805 Use new escapes @{ and @} for [ and ].
10806
10807 * src/scan-skel.l (yylineno, yyoutname): Remove static vars, replacing
10808 them with auto vars.
10809 Switch to new escape scheme, where @ is the escape character uniformly.
10810 Abort if a stray escape character is found. Avoid unbounded input
10811 buffer when parsing non-escaped text.
10812
10813 * tests/input.at (Torturing the Scanner): Add tests that @oline@,
10814 __oline__, #output, $@, and @{ do not have unintended meanings.
10815
10816 2002-11-09 Paul Eggert <eggert@twinsun.com>
10817
10818 Fix the test failure due to GCC warnings described in
10819 <http://lists.gnu.org/archive/html/bug-bison/2002-11/msg00000.html>.
10820 * data/glr.c (yyis_pact_ninf, yyis_table_ninf): New macros, which
10821 evaluate to 0 if it's impossible for NINF to be in the respective
10822 table.
10823 (yygetLRActions, yyrecoverParseError): Use them.
10824
10825 * src/scan-gram.l (unexpected_end_of_file): Fix bug: columns were
10826 counted in the token inserted at end of file. Now takes
10827 location_t *, not location_t, so that the location can be
10828 adjusted. All uses changed.
10829
10830 * tests/regression.at (Invalid inputs): Adjust wording in
10831 diagnostic to match the new behavior.
10832
10833 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR,
10834 AT_DATA_HORIZONTAL_GRAMMAR, AT_DATA_LOOKAHEADS_GRAMMAR,
10835 AT_DATA_STACK_TORTURE): Replace `assert (x);' with `if (! (x))
10836 abort ();'. This reduces the runtime of the "Many lookaheads"
10837 test from 27.6 to 2.7 minutes on a 440 MHz Ultrasparc III running
10838 GCC 3.2.
10839
10840 2002-11-07 Paul Eggert <eggert@twinsun.com>
10841
10842 * src/parse-gram.y (CHARACTER): Remove unused token.
10843 All uses removed.
10844
10845 * src/scan-gram.l: Remove stack option. We no longer use the
10846 stack, since the stack was never deeper than 1; instead, use the
10847 new auto var c_context to record the stacked value.
10848
10849 Remove nounput option. At an unexpected end of file, we now unput
10850 the minimal input necessary to end cleanly; this simplifies the
10851 code.
10852
10853 Avoid unbounded token sizes where this is easy.
10854
10855 (unexpected_end_of_file): New function.
10856 Use it to systematize the error message on unexpected EOF.
10857 (last-string): Now auto, not static.
10858 (YY_OBS_FREE): Remove unnecessary do while (0) wrapper.
10859 (scanner_last_string_free): Remove; not used.
10860 (percent_percent_count): Move decl to just before use.
10861 (SC_ESCAPED_CHARACTER): Return ID at unexpected end of file,
10862 not the (never otherwised-used) CHARACTER.
10863
10864 2002-11-07 Akim Demaille <akim@epita.fr>
10865
10866 Let yyerror always receive the msg as last argument, so that
10867 yyerror can be variadic.
10868
10869 * data/yacc.c (b4_yyerror_args): New.
10870 Use it when calling yyerror.
10871 * data/glr.c (b4_yyerror_args, b4_lyyerror_args): New.
10872 Use it when calling yyerror.
10873 * doc/bison.texinfo (Error Reporting): Adjust.
10874 * tests/calc.at (_AT_DATA_CALC_Y): Adjust.
10875 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Adjust.
10876
10877 2002-11-06 Akim Demaille <akim@epita.fr>
10878
10879 #line should have quoted strings.
10880 Ideally, this should be done by m4_quotearg.
10881
10882 * src/scan-skel.l: Include quotearg.h.
10883 Quote __ofile__.
10884 * src/output.c (symbol_printers_output)
10885 (symbol_destructors_output): Quote the file name.
10886
10887 2002-11-06 Akim Demaille <akim@epita.fr>
10888
10889 * tests/regression.at (Invalid inputs): Adjust to the recent
10890 messages.
10891
10892 2002-11-06 Akim Demaille <akim@epita.fr>
10893
10894 Restore --no-lines.
10895 Reported by Jim Kent.
10896
10897 * data/c.m4 (b4_syncline): New.
10898 * data/glr.c, data/yacc.c, data/lalr1.cc: Use it.
10899 * src/reader.c (prologue_augment, epilogue_set): Use b4_syncline.
10900 * src/output.c (user_actions_output): Likewise.
10901 (prepare): Define 'b4_synclines_flag'.
10902 * src/muscle_tab.c (muscle_init): Don't define b4_linef.
10903
10904 2002-11-06 Akim Demaille <akim@epita.fr>
10905
10906 * src/main.c (main): Free `infile'.
10907 * src/scan-gram.l (handle_syncline): New.
10908 Recognize `#line'.
10909 * src/output.c (user_actions_output, symbol_destructors_output)
10910 (symbol_printers_output): Use the location's file name, not
10911 infile.
10912 * src/reader.c (prologue_augment, epilogue_set): Likewise.
10913
10914 2002-11-05 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
10915
10916 * src/tables.c (matching_state): Don't allow states to match if
10917 either has GLR conflict entries.
10918
10919 2002-11-05 Paul Eggert <eggert@twinsun.com>
10920
10921 * src/scan-gram.l: Use more accurate diagnostics, e.g.
10922 "integer out of range" rather than "invalid value".
10923 * tests/input.at (Invalid $n, Invalid @n): Change expected wording
10924 accordingly.
10925
10926 Scan <% and %> digraphs in C code as POSIX 1003.1-2001 requires.
10927 Also, remove one static variable in the scanner.
10928
10929 * src/scan-gram.l (braces_level): Now auto, not static.
10930 Initialize to zero if the compiler is being picky.
10931 (INITIAL): Clear braces_level instead of incrementing it.
10932 (SC_BRACED_CODE): Treat <% and %> as { and } when inside C code,
10933 as POSIX 1003.1-2001 requires.
10934 * src/system.h (IF_LINT): New macro, taken from coreutils.
10935 * configure.ac: Define "lint" if --enable-gcc-warnings.
10936
10937 2002-11-05 Akim Demaille <akim@epita.fr>
10938
10939 * src/scan-gram.l: When it starts with `%', complain about the
10940 whole directive, not just that `invalid character: %'.
10941
10942 2002-11-04 Akim Demaille <akim@epita.fr>
10943
10944 * Makefile.maint: Update from Autoconf.
10945 (update, cvs-update, po-update, do-po-update): New.
10946
10947 2002-11-04 Akim Demaille <akim@epita.fr>
10948
10949 * tests/glr-regr1.at (Badly Collapsed GLR States): Prototype yylex
10950 and yyerror.
10951 Have yyerror `use' its arguments.
10952 * tests/calc.at (AT_CHECK_PUSHDEFS): AT_YYERROR_SEES_LOC_IF
10953 returns true when location & yacc & pure & parse-param.
10954 (_AT_DATA_CALC_Y): Let yyerror ``use'' its arguments.
10955
10956 2002-11-04 Akim Demaille <akim@epita.fr>
10957
10958 * src/location.h (LOCATION_PRINT): Use quotearg slot 3 to avoid
10959 clashes.
10960 * src/scan-gram.l: Use [\'] instead of ['] to pacify
10961 font-lock-mode.
10962 Use complain_at.
10963 Use quote, not quote_n since LOCATION_PRINT no longer uses the
10964 slot 0.
10965
10966 2002-11-03 Paul Eggert <eggert@twinsun.com>
10967
10968 * src/reader.c (get_merge_function, grammar_current_rule_check):
10969 Use consistent diagnostics for reporting type name clashes.
10970 Quote the types with <>, for consistency with Yacc.
10971 * tests/input.at (Type Clashes): Adjust to diagnostic changes.
10972
10973 2002-11-03 Akim Demaille <akim@epita.fr>
10974
10975 * data/c.m4 (b4_identification, b4_user_args, b4_parse_param):
10976 New.
10977 * data/yacc.m4 (b4_pure_args, b4_Pure_args): New.
10978 (b4_parse_param): Remove.
10979 Use b4_identification.
10980 Propagate b4_pure_args where needed to pass them to yyerror.
10981 * data/glr.m4 (b4_parse_param): Remove.
10982 (b4_user_formals, b4_pure_args, b4_pure_formals, b4_lpure_args)
10983 (b4_lpure_formals): New.
10984 Use b4_identification.
10985 (YY_USER_FORMALS, YY_USER_ARGS): Remove, replaced by
10986 b4_user_formals and b4_user_args.
10987 (yyexpandGLRStack, yyFail, yyaddDeferredAction, yyglrShiftDefer)
10988 (yyreportAmbiguity): When using a pure parser, also need
10989 the location, and the parse-params.
10990 Adjust callers.
10991 (yyuserAction, yyglrShift, yyreportParseError, yyrecoverParseError):
10992 When using a pure parser, also need the parse-params.
10993 Adjust callers.
10994 * tests/calc.at: Test pure (%pure-parser) and absolutely pure
10995 (%pure-parser + %parse-param) LALR and GLR parsers.
10996 (AT_CHECK_PUSHDEFS, AT_CHECK_POPDEFS): New, define AT_PARAM_IF,
10997 AT_LOCATION_IF, AT_PURE_IF, AT_GLR_IF, AAT_PURE_AND_LOC_IF,
10998 AT_GLR_OR_PARAM_IF, AT_YYERROR_ARG_LOC_IF, AT_YYERROR_SEES_LOC_IF.
10999 (_AT_DATA_CALC_Y): Equip for purity of yyerror.
11000 (_AT_CHECK_CALC_ERROR): Use AT_YYERROR_SEES_LOC_IF.
11001 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Equip for yyerror purity.
11002 * doc/bison.texinfo: Untabify the whole file.
11003 (Parser Function): Document %parse-param, deprecate YYPARSE_PARAM.
11004 (Pure Calling): Document %lex-param, deprecate YYLEX_PARAM.
11005 (Error Reporting): Adjust to these new directives.
11006 Document %error-verbose, deprecate YYERROR_VERBOSE.
11007
11008 2002-11-03 Akim Demaille <akim@epita.fr>
11009
11010 * tests/calc.at: Change all the AT_CHECK_CALC_LALR and
11011 AT_CHECK_CALC_GLR invocations to use % directives, instead of
11012 command line options.
11013 * tests/cxx-type.at: Formatting changes.
11014
11015 2002-11-03 Paul Eggert <eggert@twinsun.com>
11016
11017 * src/scan-gram.l: Revamp to fix POSIX incompatibilities,
11018 to count columns correctly, and to check for invalid inputs.
11019
11020 Use mbsnwidth to count columns correctly. Account for tabs, too.
11021 Include mbswidth.h.
11022 (YY_USER_ACTION): Invoke extend_location rather than LOCATION_COLUMNS.
11023 (extend_location): New function.
11024 (YY_LINES): Remove.
11025
11026 Handle CRLF in C code rather than in Lex code.
11027 (YY_INPUT): New macro.
11028 (no_cr_read): New function.
11029
11030 Scan UCNs, even though we don't fully handle them yet.
11031 (convert_ucn_to_byte): New function.
11032
11033 Handle backslash-newline correctly in C code.
11034 (SC_LINE_COMMENT, SC_YACC_COMMENT): New states.
11035 (eols, blanks): Remove. YY_USER_ACTION now counts newlines etc.;
11036 all uses changed.
11037 (tag, splice): New EREs. Do not allow NUL or newline in tags.
11038 Use {splice} wherever C allows backslash-newline.
11039 YY_STEP after space, newline, vertical-tab.
11040 ("/*"): BEGIN SC_YACC_COMMENT, not yy_push_state (SC_COMMENT).
11041
11042 (letter, id): Don't assume ASCII; e.g., spell out a-z.
11043
11044 ({int}, handle_action_dollar, handle_action_at): Check for integer
11045 overflow.
11046
11047 (YY_STEP): Omit trailing semicolon, so that it's more like C.
11048
11049 (<SC_ESCAPED_STRING,SC_ESCAPED_CHARACTER>): Allow \0 and \00
11050 as well as \000. Check for UCHAR_MAX, not 255.
11051 Allow \x with an arbitrary positive number of digits, as in C.
11052 Check for overflow here.
11053 Allow \? and UCNs, for compatibility with C.
11054
11055 (handle_symbol_code_dollar): Use quote_n slot 1 to avoid collision
11056 with quote slot used by complain_at.
11057
11058 * tests/input.at: Add tests for backslash-newline, m4 quotes
11059 in symbols, long literals, and funny escapes in strings.
11060
11061 * configure.ac (jm_PREREQ_MBSWIDTH): Add.
11062 * lib/Makefile.am (libbison_a_SOURCES): Add mbswidth.h, mbswidth.c.
11063 * lib/mbswidth.h, lib/mbswidth.c: New files, from GNU gettext.
11064 * m4/Makefile.am (EXTRA_DIST): Add mbswidth.m4.
11065 * m4/mbswidth.m4: New file, from GNU coreutils.
11066
11067 * doc/bison.texinfo (Grammar Outline): Document // comments.
11068 (Symbols): Document that trigraphs have no special meaning in Bison,
11069 nor is backslash-newline allowed.
11070 (Actions): Document that trigraphs have no special meaning.
11071
11072 * src/location.h (LOCATION_COLUMNS, LOCATION_LINES): Remove;
11073 no longer used.
11074
11075 2002-11-02 Paul Eggert <eggert@twinsun.com>
11076
11077 * src/reader.c: Don't include quote.h; not needed.
11078 (get_merge_function): Reword warning to be consistent with
11079 type clash diagnostic in grammar_current_rule_check.
11080
11081 * lib/quotearg.c (quotearg_buffer_restyled): Fix off-by-two
11082 bug in trigraph handling.
11083
11084 * src/output.c (prepare_symbols): When printing token names,
11085 escape "[" as "@<:@" and likewise for "]".
11086
11087 * src/system.h (errno): Remove declaration, as we are now
11088 assuming C89 or better, and C89 guarantees errno.
11089
11090 2002-10-30 Paul Eggert <eggert@twinsun.com>
11091
11092 * lib/bitset_stats.c (bitset_stats_read, bitset_stats_write):
11093 Check for close failures.
11094 * src/files.h (xfclose): Return void, not int, since it always
11095 returned zero.
11096 * src/files.c (xfclose): Likewise. Report I/O error if ferror
11097 indicates one.
11098 * src/output.c (output_skeleton): Use xfclose rather than fclose
11099 and ferror. xfclose now checks ferror.
11100
11101 * data/glr.c (YYLEFTMOST_STATE): Remove.
11102 (yyreportTree): Use a stack-based leftmost state. This avoids
11103 our continuing battles with bogus warnings about initializers.
11104
11105 2002-10-30 Akim Demaille <akim@epita.fr>
11106
11107 * src/system.h: Don't use #ifdef/#ifndef on HAVE_ values, only
11108 #if.
11109
11110 2002-10-29 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
11111
11112 * tests/glr-regr1.at: New test for reported regressions.
11113 * tests/testsuite.at: Add glr-regr1.at test.
11114 * tests/Makefile.am: Add glr-regr1.at test.
11115
11116 2002-10-24 Paul Eggert <eggert@twinsun.com>
11117
11118 Version 1.75a.
11119
11120 * tests/calc.at (_AT_DATA_CALC_Y): Remove unused strcat declaration.
11121 * tests/cxx-type.at (_AT_TEST_GLR_CALC): Include stdlib.h, since
11122 we use malloc. Don't assume 'A' through 'Z' are contiguous.
11123 Don't assume strdup exists; POSIX says its an XSI extension.
11124 Check for buffer overflow on input.
11125
11126 2002-10-24 Akim Demaille <akim@epita.fr>
11127
11128 * src/output.c (output_skeleton): Don't disable M4sugar comments
11129 too soon: it results in comments being expanded.
11130 * data/yacc.c, data/glr.c, data/lalr1.cc: Do it right before the
11131 first output.
11132
11133 2002-10-24 Akim Demaille <akim@epita.fr>
11134
11135 * data/yacc.c (m4_int_type): New.
11136 * data/c.m4 (m4_int_type): Don't use yysigned_char, but `signed
11137 char' as only yacc.c wants K&R portability.
11138 * data/glr.c (yysigned_char): Remove.
11139 * data/lalr1.cc: Rename the trailing b4_name as b4_parser_class_name.
11140 Reported by Quoc Peyrot.
11141
11142 2002-10-23 Paul Eggert <eggert@twinsun.com>
11143
11144 * src/main.c (main): With --trace=time, report times even if a
11145 non-fatal error occurs. Formerly, the times were reported in some
11146 such cases but not in others.
11147 * src/reader.c (reader): Just return if a complaint has been issued,
11148 instead of exiting, so that 'main' can report times.
11149
11150 2002-10-22 Akim Demaille <akim@epita.fr>
11151
11152 * src/system.h: Include sys/types.
11153 Reported by Bert Deknuydt.
11154
11155 2002-10-23 Paul Eggert <eggert@twinsun.com>
11156
11157 * configure.ac (AC_PROG_LEX): Use instead of AM_PROG_LEX.
11158 Suggested by Art Haas.
11159
11160 2002-10-22 Paul Eggert <eggert@twinsun.com>
11161
11162 * src/complain.c (exit) [! (STDC_HEADERS || _LIBC)]: Remove exit
11163 decl; not needed any more.
11164 * src/main.c (main): Use return to exit, undoing yesterday's change.
11165 The last OS that we could find where this wouldn't work is
11166 SunOS 3.5, and that's too old to worry about now.
11167
11168 * data/glr.c (struct yyltype): Define members even when not
11169 doing locations. This is more consistent with yacc.c, and it
11170 works around the following bug reports:
11171 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00106.html
11172 http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00111.html
11173
11174 * doc/bison.texinfo: Minor spelling and typographical fixes. Use
11175 @acronym consistently. Standardize on "Yacc" instead of "YACC",
11176 "Algol" instead of "ALGOL". Give a bit more history about BNF.
11177
11178 2002-10-22 Akim Demaille <akim@epita.fr>
11179
11180 * data/README: New.
11181
11182 2002-10-21 Paul Eggert <eggert@twinsun.com>
11183
11184 Be consistent about 'bool'; the old code used an enum in one
11185 module and an int in another, and this violates the C standard.
11186 * m4/stdbool.m4: New file, from coreutils 4.5.3.
11187 * configure.ac (AC_HEADER_STDBOOL): Add.
11188 * m4/Makefile.am (EXTRA_DIST): Add stdbool.m4.
11189 * src/muscle_tab.c (hash_compare_muscles): (a ? FALSE : TRUE) -> (! a)
11190 * src/symtab.c (hash_compare_symbol_t): Likewise.
11191 * src/system.h (bool, false, true): Use a definition consistent
11192 with ../lib/hash.c. All uses changed.
11193
11194 * src/complain.c (warning_issued): Renamed from warn_message_count,
11195 so that we needn't worry about integer overflow (!).
11196 Now of type bool. All uses changed.
11197 (complaint_issued): Renamed from complain_message_count; likewise.
11198
11199 * src/main.c (main): Use exit to exit with failure.
11200
11201 * src/complain.c (fatal_at, fatal): Use EXIT_FAILURE and EXIT_SUCCESS
11202 rather than 1 and 0.
11203 * src/main.c (main): Likewise.
11204 * src/getargs.c (getargs): Likewise.
11205 * src/reader.c (reader): Likewise.
11206
11207 * src/getarg.c (getargs): Remove duplicate code for
11208 "Try `bison --help'".
11209
11210 * src/files.c (xfopen, xfclose): Use EXIT_FAILURE rather than 2.
11211 What was that "2" for?
11212
11213 * src/complain.h (fatal, fatal_at): Add __attribute__((__noreturn__)).
11214 * src/getargs.c (usage): Likewise.
11215
11216 * src/getargs.c (getargs): When there are too few operands, report
11217 the last one. When there are too many, report the first extra
11218 one. This is how diffutils does it.
11219
11220 2002-10-20 Paul Eggert <eggert@twinsun.com>
11221
11222 Remove K&R vestiges.
11223 * configure.ac (AC_C_CONST, AM_C_PROTOTYPES): Remove.
11224 * src/complain.c (VA_START): Remove. Assume prototypes.
11225 (vfprintf) [! (HAVE_VPRINTF || defined vfprintf)]: New macro.
11226 (private_strerror, warn_at, warn, complain_at, complain, fatal_at,
11227 fatal): Assume prototypes.
11228 * src/complain.h: Assume prototypes.
11229 * src/system.h (PARAMS): Remove.
11230 Include <limits.h> unconditionally, since it's guaranteeed even
11231 for a freestanding C89 compiler.
11232 (SHRT_MIN, SHRT_MAX): Remove, since C89 guarantees them.
11233 * src/vmsgetargs.c (getargs, cli_present, cli_get_value): Prototype.
11234
11235 2002-10-20 Akim Demaille <akim@epita.fr>
11236
11237 * src/muscle_tab.c (muscle_grow): Remove trailing debugging code.
11238 * data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
11239 (yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
11240 (yyresolveStates, yyresolveAction, yyresolveStack)
11241 (yyprocessOneStack): Use them.
11242 (yy_reduce_print): New.
11243 * tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
11244
11245 2002-10-20 Akim Demaille <akim@epita.fr>
11246
11247 * data/c.m4 (b4_c_ansi_args): Recognize functions with no
11248 arguments and output `void'.
11249 (b4_c_function): Rename as...
11250 (b4_c_function_def): this.
11251 (b4_c_function_decl, b4_c_ansi_function_def)
11252 (b4_c_ansi_function_decl): New.
11253 Change the interpretation of the arguments: before `int, foo', now
11254 `int foo, foo'.
11255 * data/yacc.c (yyparse): Prototype and define thanks to these.
11256 Adjust b4_c_function_def uses.
11257 * data/glr.c (yyparse): Likewise, but ANSI only.
11258
11259 2002-10-20 Akim Demaille <akim@epita.fr>
11260
11261 * src/output.c (prepare): Move the definition of `tokens_number',
11262 `nterms_number', `undef_token_number', `user_token_number_max'
11263 to...
11264 (prepare_tokens): Here.
11265 (prepare_tokens): Rename as...
11266 (prepare_symbols): this.
11267 (prepare): Move the definition of `rules_number' to...
11268 (prepare_rules): here.
11269 (prepare): Move the definition of `last', `final_state_number',
11270 `states_number' to...
11271 (prepare_states): here.
11272 * data/yacc.c, data/lalr1.cc, data/glr.c: Normalize `>' into `<'.
11273
11274 2002-10-20 Akim Demaille <akim@epita.fr>
11275
11276 * src/tables.h, src/tables.c, src/output.c: Comment changes.
11277
11278 2002-10-20 Akim Demaille <akim@epita.fr>
11279
11280 * data/yacc.c, data/yacc.c (b4_location_if, b4_pure_if): Move to...
11281 * data/c.m4: here.
11282
11283 2002-10-20 Akim Demaille <akim@epita.fr>
11284
11285 * src/output.c (prepare): Use MUSCLE_INSERT_STRING.
11286 * src/muscle_tab.c (muscle_pair_list_grow): Rename `val as
11287 `pair'.
11288 (muscle_init): Move the `b4_ltype', `b4_maxdepth', `b4_initdepth',
11289 `name' to...
11290 * data/glr.c, data/lalr1.cc, data/yacc.c (b4_location_type)
11291 (b4_stack_depth_init, b4_stack_depth_max, b4_parser_class_name):
11292 These.
11293
11294 2002-10-19 Paul Eggert <eggert@twinsun.com>
11295
11296 Do not create a temporary file, as that involves security and
11297 cleanup headaches. Instead, use a pair of pipes.
11298 Derived from a suggestion by Florian Krohm.
11299 * lib/subpipe.c, lib/subpipe.h, m4/subpipe.m4: New files.
11300 * lib/mkstemp.c, lib/readpipe.c, lib/tempname.c, m4/mkstemp.m4: Remove.
11301 * configure.ac (UTILS_FUNC_MKSTEMP, jm_PREREQ_TEMPNAME): Remove.
11302 (BISON_PREREQ_SUBPIPE): Add.
11303 * lib/Makefile.am (libbison_a_SOURCES): Remove readpipe.c.
11304 Add subpipe.h, subpipe.c.
11305 * m4/Makefile.am (EXTRA_DIST): Remove mkstemp.m4. Add subpipe.m4.
11306 * po/POTFILES.in: Add lib/subpipe.c.
11307 * src/output.c: Include "subpipe.h".
11308 (m4_invoke): Remove decl.
11309 (scan_skel): New decl.
11310 (output_skeleton): Use pipe rather than temporary file for m4 input.
11311 Check that m4sugar.m4 is readable, to avoid deadlock.
11312 Check for pipe I/O error.
11313 * src/scan-skel.l (readpipe): Remove decl.
11314 (scan_skel): New function, to be used in place of m4_invoke.
11315 Read from stream rather than file.
11316
11317 * lib/timevar.c (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Do not cast to
11318 float, as this generates a warning on Solaris 8 + GCC 3.2 with
11319 --enable-gcc-warnings. Instead, divide into 1.0 rather than 1;
11320 this generates a more-accurate value anyway.
11321
11322 * lib/timevar.c (timervar_accumulate): Rename locals to
11323 avoid confusion with similarly-named more-global.
11324 * src/muscle_tab.c (muscle_pair_list_grow): Likewise.
11325
11326 * src/output.c (prepare): Use xstrdup to convert char const *
11327 to char *, to avoid GCC warning.
11328
11329 2002-10-19 Akim Demaille <akim@epita.fr>
11330
11331 * tests/calc.at (_AT_DATA_CALC_Y): Define VAL, LOC, LEX_FORMALS,
11332 LEX_PRE_FORMALS, LEX_ARGS, LEX_PRE_ARGS, USE_LEX_ARGS.
11333 Use them to have `calc.y' ready for %pure-parser.
11334 * data/yacc.c (YYLEX): Pass a yylex return type to
11335 b4_c_function_call.
11336
11337 2002-10-19 Akim Demaille <akim@epita.fr>
11338
11339 Prototype support of %lex-param and %parse-param.
11340
11341 * src/parse-gram.y: Add the definition of the %lex-param and
11342 %parse-param tokens, plus their rules.
11343 Drop the `_' version of %glr-parser.
11344 Add the "," token.
11345 * src/scan-gram.l (INITIAL): Scan them.
11346 * src/muscle_tab.c: Comment changes.
11347 (muscle_insert, muscle_find): Rename `pair' as `probe'.
11348 * src/muscle_tab.h (MUSCLE_INSERT_PREFIX): Remove unused.
11349 (muscle_entry_s): The `value' member is no longer const.
11350 Adjust all dependencies.
11351 * src/muscle_tab.c (muscle_init): Adjust: use
11352 MUSCLE_INSERT_STRING.
11353 Initialize the obstack earlier.
11354 * src/muscle_tab.h, src/muscle_tab.c (muscle_grow)
11355 (muscle_pair_list_grow): New.
11356 * data/c.m4 (b4_c_function_call, b4_c_args): New.
11357 * data/yacc.c (YYLEX): Use b4_c_function_call to honor %lex-param.
11358 * tests/calc.at: Use %locations, not --locations.
11359 (AT_CHECK_CALC_GLR): Use %glr-parser, not %glr_parser.
11360
11361 2002-10-19 Akim Demaille <akim@epita.fr>
11362
11363 * src/getargs.c (usage): Take status as argument and exit
11364 accordingly.
11365 Report the traditional `Try ... --help' message when status != 0.
11366 (usage, version): Don't take a FILE * as arg, it is pointless.
11367 (getargs): When there is an incorrect number of arguments, make it
11368 an error, and report it GNUlically thanks to `usage ()'.
11369
11370 2002-10-18 Paul Eggert <eggert@twinsun.com>
11371
11372 * data/glr.c (yyreportParseError): Don't assume that sprintf
11373 yields the length of the printed string, as this is not true
11374 on SunOS 4.1.4. Reported by Peter Klein.
11375
11376 * tests/calc.at (_AT_DATA_CALC_Y): #undef memcmp and realloc.
11377 * tests/conflicts.at (%nonassoc and eof): Likewise.
11378 Fixes SunOS 4.1.4 test failure reported by Peter Klein.
11379
11380 2002-10-17 Akim Demaille <akim@epita.fr>
11381
11382 * src/getargs.h (trace_e): Add trace_scan, and trace_parse.
11383 * src/getargs.c (trace_types, trace_args): Adjust.
11384 * src/reader.c (grammar_current_rule_prec_set)
11385 (grammar_current_rule_dprec_set, grammar_current_rule_merge_set):
11386 Standardize error messages.
11387 And s/@prec/%prec/!
11388 (reader): Use trace_flag to enable scanner/parser debugging,
11389 instead of an adhoc scheme.
11390 * src/scan-gram.l: Remove trailing debugging code.
11391
11392 2002-10-16 Paul Eggert <eggert@twinsun.com>
11393
11394 * src/muscle_tab.h (MUSCLE_TAB_H_): Was misspelled as
11395 MUSCLE_TAB_H.
11396
11397 * NEWS: Officially drop support for building Bison with K&R C,
11398 since it didn't work anyway and it's not worth worrying about.
11399 * Makefile.maint (wget_files): Remove ansi2knr.c.
11400 (ansi2knr.c-url_prefix): Remove.
11401 * lib/.cvsignore: Remove ansi2knr, ansi2knr.*.
11402 * lib/Makefile.am (AUTOMAKE_OPTIONS): Remove.
11403 * src/Makefile.am (AUTOMAKE_OPTIONS): Remove.
11404
11405 2002-10-15 Paul Eggert <eggert@twinsun.com>
11406
11407 Stop using the "enum_" trick for K&R-style function definitions;
11408 it confused me, and I was the author! Instead, assume that people
11409 who want to use K&R C compilers (when using these modules in GCC,
11410 perhaps?) will run ansi2knr.
11411
11412 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): Remove.
11413 All uses of "enum_" changed to "enum ".
11414 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
11415 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
11416
11417 * lib/abitset.c (abitset_and, abitset_and_cmp, abitset_and_or,
11418 abitset_and_or_cmp, abitset_andn, abitset_andn_cmp,
11419 abitset_andn_or, abitset_andn_or_cmp, abitset_bytes, abitset_copy,
11420 abitset_copy1, abitset_disjoint_p, abitset_empty_p,
11421 abitset_equal_p, abitset_init, abitset_list, abitset_list_reverse,
11422 abitset_not, abitset_ones, abitset_or, abitset_or_and,
11423 abitset_or_and_cmp, abitset_or_cmp, abitset_reset, abitset_set,
11424 abitset_size, abitset_small_list, abitset_subset_p, abitset_test,
11425 abitset_unused_clear, abitset_xor, abitset_xor_cmp, abitset_zero):
11426 Use function prototypes; this removes the need for declaring
11427 static functions simply to provide their prototypes.
11428 * lib/bitset.c (bitset_alloc, bitset_and_or_, bitset_and_or_cmp_,
11429 bitset_andn_or_, bitset_andn_or_cmp_, bitset_bytes, bitset_copy_,
11430 bitset_count_, bitset_create, bitset_dump, bitset_first,
11431 bitset_free, bitset_init, bitset_last, bitset_next,
11432 bitset_obstack_alloc, bitset_obstack_free, bitset_only_set_p,
11433 bitset_op4_cmp, bitset_or_and_, bitset_or_and_cmp_, bitset_prev,
11434 bitset_print, bitset_release_memory, bitset_toggle_,
11435 bitset_type_choose, bitset_type_get, bitset_type_name_get,
11436 debug_bitset): Likewise.
11437 * lib/bitset.h (bitset_set, bitset_reset, bitset_test): Likewise.
11438 * lib/bitset_stats.c (bitset_log_histogram_print,
11439 bitset_percent_histogram_print, bitset_stats_and,
11440 bitset_stats_and_cmp, bitset_stats_and_or,
11441 bitset_stats_and_or_cmp, bitset_stats_andn, bitset_stats_andn_cmp,
11442 bitset_stats_andn_or, bitset_stats_andn_or_cmp, bitset_stats_copy,
11443 bitset_stats_count, bitset_stats_disable, bitset_stats_disjoint_p,
11444 bitset_stats_dump, bitset_stats_empty_p, bitset_stats_enable,
11445 bitset_stats_equal_p, bitset_stats_free, bitset_stats_init,
11446 bitset_stats_list, bitset_stats_list_reverse, bitset_stats_not,
11447 bitset_stats_ones, bitset_stats_or, bitset_stats_or_and,
11448 bitset_stats_or_and_cmp, bitset_stats_or_cmp, bitset_stats_print,
11449 bitset_stats_print_1, bitset_stats_read, bitset_stats_reset,
11450 bitset_stats_set, bitset_stats_size, bitset_stats_subset_p,
11451 bitset_stats_test, bitset_stats_toggle, bitset_stats_type_get,
11452 bitset_stats_write, bitset_stats_xor, bitset_stats_xor_cmp,
11453 bitset_stats_zero): Likewise.
11454 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
11455 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
11456 bitsetv_dump, debug_bitsetv): Likewise.
11457 * lib/ebitset.c (ebitset_and, ebitset_and_cmp, ebitset_andn,
11458 ebitset_andn_cmp, ebitset_bytes, ebitset_copy, ebitset_copy_,
11459 ebitset_copy_cmp, ebitset_disjoint_p, ebitset_elt_add,
11460 ebitset_elt_alloc, ebitset_elt_calloc, ebitset_elt_find,
11461 ebitset_elt_free, ebitset_elt_last, ebitset_elt_remove,
11462 ebitset_elt_zero_p, ebitset_elts_grow, ebitset_empty_p,
11463 ebitset_equal_p, ebitset_free, ebitset_init, ebitset_list,
11464 ebitset_list_reverse, ebitset_not, ebitset_ones, ebitset_op3_cmp,
11465 ebitset_or, ebitset_or_cmp, ebitset_release_memory, ebitset_reset,
11466 ebitset_set, ebitset_size, ebitset_subset_p, ebitset_test,
11467 ebitset_weed, ebitset_xor, ebitset_xor_cmp, ebitset_zero):
11468 Likewise.
11469 * lib/lbitset.c (debug_lbitset, lbitset_and, lbitset_and_cmp,
11470 lbitset_andn, lbitset_andn_cmp, lbitset_bytes, lbitset_copy,
11471 lbitset_copy_cmp, lbitset_disjoint_p, lbitset_elt_alloc,
11472 lbitset_elt_calloc, lbitset_elt_find, lbitset_elt_free,
11473 lbitset_elt_link, lbitset_elt_unlink, lbitset_elt_zero_p,
11474 lbitset_empty_p, lbitset_equal_p, lbitset_free, lbitset_init,
11475 lbitset_list, lbitset_list_reverse, lbitset_not, lbitset_ones,
11476 lbitset_op3_cmp, lbitset_or, lbitset_or_cmp, lbitset_prune,
11477 lbitset_release_memory, lbitset_reset, lbitset_set, lbitset_size,
11478 lbitset_subset_p, lbitset_test, lbitset_weed, lbitset_xor,
11479 lbitset_xor_cmp, lbitset_zero): Likewise.
11480
11481 2002-10-14 Akim Demaille <akim@epita.fr>
11482
11483 Version 1.75.
11484
11485 2002-10-14 Akim Demaille <akim@epita.fr>
11486
11487 * tests/Makefile.am (maintainer-check-posix): New.
11488
11489 2002-10-14 Akim Demaille <akim@epita.fr>
11490
11491 * data/glr.c [YYDEBUG] (YYLEFTMOST_STATE): Initialize the yyloc
11492 member.
11493
11494 2002-10-14 Akim Demaille <akim@epita.fr>
11495
11496 * src/tables.c (table_ninf_remap): base -> tab.
11497 Reported by Matt Rosing.
11498
11499 2002-10-14 Paul Eggert <eggert@twinsun.com>
11500
11501 * tests/action.at, tests/calc.at, tests/conflicts.at,
11502 tests/cxx-type.at, tests/headers.at, tests/input.at,
11503 tests/regression.at, tests/synclines.at, tests/torture.at:
11504 Say "bison -o foo.c foo.y", not "bison foo.y -o foo.c",
11505 so that the tests still work even if POSIXLY_CORRECT is set.
11506 * doc/bison.texinfo (Rpcalc Compile, Invocation): Likewise.
11507
11508 * data/c.m4 (b4_int_type): Use yysigned_char instead of signed char,
11509 for portability to K&R hosts. Fix typo: signed char is guaranteed
11510 only to 127, not to 128.
11511 * data/glr.c (yysigned_char): New type.
11512 * data/yacc.c (yysigned_char): Likewise.
11513 * tests/regression.at (Web2c Actions): signed char -> yysigned_char.
11514
11515 2002-10-13 Paul Eggert <eggert@twinsun.com>
11516
11517 * data/yacc.c (yyparse): Rewrite to avoid "comparison is always
11518 true due to limited range of data type" warning from GCC.
11519
11520 * data/c.m4 (b4_token_defines): Protect against double-inclusion
11521 by wrapping enum yytokentype's definition inside #ifndef
11522 YYTOKENTYPE. This undoes a bug I introduced on 2002-10-12.
11523
11524 2002-10-13 Akim Demaille <akim@epita.fr>
11525
11526 * data/glr.c (yyglrShiftDefer, yyaddDeferredAction, yydoAction):
11527 Un yy- yyrhs to avoid the name clash with the global YYRHS.
11528
11529 2002-10-13 Akim Demaille <akim@epita.fr>
11530
11531 * Makefile.maint: Update from Autoconf 2.54.
11532 * m4/strerror_r.m4 (AC_FUNC_STRERROR_R): Remove, shipped with 2.54.
11533
11534 2002-10-13 Akim Demaille <akim@epita.fr>
11535
11536 * src/print.c (print_state): Separate the list of solved conflicts
11537 from the other items.
11538 * tests/conflicts.at (Resolved SR Conflicts): Adjust.
11539
11540 2002-10-13 Akim Demaille <akim@epita.fr>
11541
11542 Let nondeterministic skeletons be usable with deterministic
11543 tables.
11544
11545 With the patch, GAWK compiled by GCC without -O2 passes its test
11546 suite using a GLR parser driven by LALR tables. It fails with -O2
11547 because `struct stat' gives two different answers on my machine:
11548 88 (definition of an auto var) and later 96 (memset on this var).
11549 Hence the stack is badly corrumpted. The headers inclusion is to
11550 blame: if I move the awk.h inclusion before GLR's system header
11551 inclusion, the two struct stat have the same size.
11552
11553 * src/tables.c (pack_table): Always create conflict_table.
11554 (token_actions): Always create conflict_list.
11555 * data/glr.c (YYFLAG): Remove, unused.
11556
11557 2002-10-13 Akim Demaille <akim@epita.fr>
11558
11559 * configure.ac (AC_GNU_SOURCE): Use it instead of hand written code.
11560 (O0FLAGS): New.
11561 (VALGRIND, GXX): New.
11562 * tests/atlocal.in (CFLAGS): Use O0FLAGS.
11563 * tests/bison.in: Run $PREBISON a pre-command.
11564 * tests/Makefile.am (maintainer-check, maintainer-check-valgrind)
11565 (maintainer-check-g++): New.
11566 * Makefile.am (maintainer-check): New.
11567
11568 2002-10-13 Akim Demaille <akim@epita.fr>
11569
11570 * data/glr.c: Formatting changes.
11571 Tweak some trace messages to match yacc.c's.
11572
11573 2002-10-13 Akim Demaille <akim@epita.fr>
11574
11575 GLR parsers sometimes raise parse errors instead of performing the
11576 default reduction.
11577 Reported by Charles-Henry de Boysson.
11578
11579 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Don't
11580 check the length of the traces when %glr.
11581 (_AT_CHECK_CALC_ERROR): Also skip `^Stack' lines, coming from
11582 GLR's traces.
11583 (AT_CHECK_CALC_LALR, AT_CHECK_CALC_GLR): New.
11584 Test GLR parsers.
11585 * data/glr.c (YYLEFTMOST_STATE): Fix its value.
11586 (yyltype): Remove the yy prefix from the member names.
11587 (yytable): Complete its comment.
11588 (yygetLRActions): Map error action number from YYTABLE from
11589 YYTABLE_NINF to 0.
11590 (yyisErrorAction): No longer compare YYACTION to YYPACT_NINF
11591 (which was a bug: it should have been YYTABEL_NINF, and yet it was
11592 not satisfying as we could compare an YYACTION computed from
11593 YYDEFACT to YYTABLE_NINF although they are unrelated): 0 is the
11594 only value for error actions.
11595 (yyreportParseError): In verbose parse error messages, don't issue
11596 `error' in the list of expected tokens.
11597 * data/yacc.c (yyparse) <yybackup>: Rewrite the decoding of the
11598 next action to perform to match glr.c's decoding.
11599 (yytable): Complete its comment.
11600
11601 2002-10-13 Paul Eggert <eggert@twinsun.com>
11602
11603 Fix problem reported by Henrik Grubbstroem in
11604 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00098.html>:
11605 "nonterm: { $$ = 123; } { $$ = $1; };" was wrongly rejected,
11606 because the Bison parser reads the second action before reducing
11607 the first one.
11608 * src/scan-gram.l (rule_length): New static var.
11609 Use it to keep track of the rule length in the scanner, since
11610 we can't expect the parser to be in lock-step sync with the scanner.
11611 (handle_action_dollar, handle_action_at): Use this var.
11612 * tests/actions.at (Exotic Dollars): Test for the problem.
11613
11614 2002-10-12 Paul Eggert <eggert@twinsun.com>
11615
11616 * lib/timevar.c [! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.
11617 * m4/timevar.m4 (BISON_PREREQ_TIMEVAR): Check for <sys/time.h>.
11618 Include <sys/time.h> when checking for clock_t and struct tms.
11619 Use same include order as source.
11620 This is for the SunOS 4.1.4 porting bug reported by Peter Klein in
11621 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00016.html>.
11622
11623 * lib/timevar.c: Update copyright date and clarify comments.
11624 (get_time) [IN_GCC]: Keep the GCC version for reference.
11625
11626 * lib/timevar.c, lib/timevar.h, lib/timevar.def: Import
11627 GCC version as of today, then merge Bison's changes.
11628 Change "GCC" to "Bison" in copyright notice. timevar.def's
11629 author is Akim, so change that too.
11630
11631 * src/reader.c (grammar_current_rule_check):
11632 Don't worry about the default action if $$ is untyped.
11633 Prevents bogus warnings reported by Jim Gifford in
11634 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00015.html>.
11635
11636 * data/c.m4 (b4_token_enum): Do not define YYTOKENTYPE.
11637 * data/glr.c, data/lalr1.cc, data/yacc.c:
11638 Output token definitions before the first part of user declarations.
11639 Fixes compatibility problem reported by Jim Gifford for kbd in
11640 <http://lists.gnu.org/archive/html/bug-bison/2002-10/msg00014.html>.
11641
11642 2002-10-11 Paul Eggert <eggert@twinsun.com>
11643
11644 * data/yacc.c (yyreport_parse_error): Remove, putting its body into...
11645 (yyparse): here. This undoes some of the 2002-07-25 change.
11646 Compatibility problem reported by Ralf S. Engelschall with
11647 OSSP cfg <http://www.ossp.org/pkg/lib/cfg/>.
11648
11649 2002-10-11 Akim Demaille <akim@epita.fr>
11650
11651 * tests/regression.at Characters Escapes): New.
11652 * src/scan-gram.l (SC_ESCAPED_CHARACTER): Accept \' in strings and
11653 characters.
11654 Reported by Jan Nieuwenhuizen.
11655
11656 2002-10-11 Akim Demaille <akim@epita.fr>
11657
11658 * po/id.po: New.
11659
11660 2002-10-10 Paul Eggert <eggert@twinsun.com>
11661
11662 Portability fixes for bitsets; this also avoids several GCC
11663 warnings.
11664
11665 * lib/abitset.c: Include <stddef.h>, for offsetof.
11666 * lib/lbitset.c: Likewise.
11667
11668 * lib/abitset.c (abitset_bytes): Return a size that is aligned
11669 properly for vectors of objects. Do not assume that adding a
11670 header size to a multiple of a word size yields a value that is
11671 properly aligned for the whole union.
11672 * lib/bitsetv.c (bitsetv_alloc): Likewise.
11673
11674 * lib/bitset_stats.c (bitset_stats_bytes): Adjust to new,
11675 unique names for structures.
11676 * lib/ebitset.c (ebitset_bytes): Likewise.
11677 * lib/lbitset.c (lbitset_bytes): Likewise.
11678
11679 * lib/abitset.c (abitset_ones, abitset_zero, abitset_empty_p,
11680 abitset_copy1, abitset_not, abitset_equal_p, abitset_subset_p,
11681 abitset_disjoint_p, abitset_and, abitset_and_cmp, abitset_andn,
11682 abitset_andn_cmp, abitset_or, abitset_or_cmp, abitset_xor,
11683 abitset_xor_cmp, abitset_and_or, abitset_and_or_cmp,
11684 abitset_andn_or, abitset_andn_or_cmp, abitset_or_and,
11685 abitset_or_and_cmp, abitset_copy): Supply prototype decls,
11686 to improve the type-checking that GCC can do.
11687 * lib/bitset.c (bitset_op4_cmp): Likewise.
11688 * lib/bitset_stats.c (bitset_stats_count,
11689 bitset_stats_empty_p, bitset_stats_ones, bitset_stats_zero,
11690 bitset_stats_copy, bitset_stats_disjoint_p,
11691 bitset_stats_equal_p, bitset_stats_not, bitset_stats_subset_p,
11692 bitset_stats_and, bitset_stats_and_cmp, bitset_stats_andn,
11693 bitset_stats_andn_cmp, bitset_stats_or, bitset_stats_or_cmp,
11694 bitset_stats_xor, bitset_stats_xor_cmp, bitset_stats_and_or,
11695 bitset_stats_and_or_cmp, bitset_stats_andn_or,
11696 bitset_stats_andn_or_cmp, bitset_stats_or_and,
11697 bitset_stats_or_and_cmp): Likewise.
11698 * lib/lbitset.c (lbitset_and, lbitset_and_cmp, lbitset_andn,
11699 lbitset_andn_cmp, lbitset_or, lbitset_or_cmp, lbitset_xor,
11700 lbitset_xor_cmp, lbitset_empty_p, lbitset_ones, lbitset_not,
11701 lbitset_subset_p, lbitset_disjoint_p, debug_lbitset): Likewise.
11702
11703 * lib/abitset.h: Include bitset.h, not bbitset.h.
11704 * lib/ebitset.h: Likewise.
11705 * lib/lbitset.h: Likewise.
11706
11707 * lib/bbitset.h: (enum_bitset_ops, enum_bitset_type): New types.
11708 All instances of parameters of type enum bitset_opts are now of
11709 type enum_bitset_opts, to conform to the C Standard, and similarly
11710 for enum_bitset_type.
11711 * lib/ebitset.c (enum_ebitset_find_mode): Likewise.
11712 * lib/lbitset.c (enum_lbitset_find_mode): Likewise.
11713
11714 Do not use "struct bitset_struct" to mean different things in
11715 different modules. Not only is this confusing, it violates
11716 the C Standard, which requires that structure types in different
11717 modules must be compatible if one is to be passed to the other.
11718 * lib/bbitset.h (bitset): Now points to a union, not to a struct.
11719 All instances of "struct bitset_struct *" replaced with "bitset".
11720 * lib/bitset.h (struct bitset_struct): Remove, replacing with....
11721 (union bitset_union, struct abitset_struct, struct ebitset_struct,
11722 struct lbitset_struct, struct bitset_stats_struct): New types.
11723 All uses of struct bitset_struct changed to union bitset_union,
11724 etc.
11725 * lib/abitset.c (struct abitset_struct, abitset,
11726 struct bitset_struct): Remove.
11727 * lib/bitset_stats.c (struct bitset_stats_struct, bitset_stats,
11728 struct bitset_struct): Remove.
11729 * lib/ebitset.c (struct ebitset_struct, ebitset, struct
11730 bitset_struct): Remove.
11731 * lib/lbitset.c (struct lbitset_struct, lbitset, bitset_struct):
11732 Likewise.
11733
11734 Do not call a function of type T using a call that assumes the
11735 function is of a different type U. Standard C requires that a
11736 function must be called with a type that is compatible with its
11737 definition.
11738 * lib/bbitset.h (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
11739 New decls.
11740 * lib/bitset.c (bitset_and_or_, bitset_andn_or_, bitset_or_and_):
11741 New functions.
11742 * lib/ebitset.c (PFV): Remove.
11743 * lib/lbitset.c (PFV): Likewise.
11744 * lib/ebitset.c (ebitset_and, ebitset_andn, ebitset_or,
11745 ebitset_xor, ebitset_copy, ebitset_ones, ebitset_empty_p): New
11746 decls.
11747 (ebitset_and, ebitset_andn, ebitset_or, ebitset_xor): New functions.
11748 (ebitset_vtable): Use them.
11749 * lib/lbitset.c (lbitset_and, lbitset_andn, lbitset_or,
11750 lbitset_xor): New functions.
11751 (lbitset_vtable): Use them.
11752
11753 * lib/bitset.h (bitset_next, bitset_prev, bitset_only_set_p):
11754 Declare.
11755
11756 * lib/bitsetv.c (bitsetv_alloc): Add a cast to (void *) to avoid a
11757 GCC warning.
11758 * lib/lbitset.c (LBITSET_CURRENT1): Likewise.
11759 Use offsetof, for simplicity.
11760
11761 2002-10-06 Paul Eggert <eggert@twinsun.com>
11762
11763 * lib/bitset.h (bitset_reset): Do not assume that bitset_word is
11764 the same width as int. This reapplies a hunk of the 2002-08-12 patch
11765 <http://lists.gnu.org/archive/html/bison-patches/2002-08/msg00007.html>,
11766 which was inadvertently undone by the 2002-09-30 patch.
11767 * lib/lbitset.c (debug_lbitset): Do not assume that bitset_word is
11768 the same width as int.
11769
11770 2002-10-04 Paul Eggert <eggert@twinsun.com>
11771
11772 Version 1.50.
11773
11774 * configure.ac (AC_INIT), NEWS: Increment version number.
11775
11776 * doc/bison.texinfo: Minor spelling, grammar, and white space
11777 fixes.
11778 (Symbols): Mention that any negative value returned from yylex
11779 signifies end-of-input. Warn about negative chars. Mention
11780 the portable Standard C character set.
11781
11782 The GNU coding standard says CFLAGS and YFLAGS are reserved
11783 for the installer to set.
11784 * lib/Makefile.am (AM_CFLAGS): Renamed from CFLAGS.
11785 * src/Makefile.am (AM_CFLAGS): Likewise.
11786 (AM_YFLAGS): Renamed from YFLAGS.
11787
11788 Fix some MAX and MIN problems.
11789 * src/gram.h (ITEM_NUMBER_MIN): MIN_MAX -> INT_MIN.
11790 * src/lalr.h (GOTO_NUMBER_MAX): INT_MAX -> SHRT_MAX.
11791 * src/symtab.h (SYMBOL_NUMBER_MAX): New macro.
11792 * src/reader.c (reader): Use it.
11793
11794 * tests/regression.at (Braces parsing): Use grep, not fgrep, as
11795 POSIX 1003.1-2001 has removed fgrep.
11796
11797 2002-10-04 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11798
11799 * lib/bbitset.h (BITSET_WINDEX_MAX): Redefine so that it cannot be
11800 interpreted as signed.
11801 * lib/ebitset.c (ebitset_list): Fix bug.
11802
11803 2002-10-01 Paul Eggert <eggert@twinsun.com>
11804
11805 More fixes for 64-bit hosts and large bitsets.
11806
11807 * lib/abitset.c (struct abitset_struct.n_bits, abitset_small_list,
11808 abitset_size, abitset_list, abitset_list_reverse, abitset_list):
11809 Use bitset_bindex, not int or unsigned int or size_t, to count bits.
11810 * lib/bbitset.h (struct bitset_vtable.size, struct bitset_vtable.count,
11811 struct bitset_vtable.list, struct bitset_vtable.list_reverse,
11812 bitset_count_, bitset_next, bitset_prev, bitset_first, bitset_last,
11813 bitset_count_): Likewise.
11814 * lib/bitset.h (bitset_iterator.num, bitset_iterator.i,
11815 bitset_first, bitset_last): Likewise.
11816 * lib/bitset_stats.c (bitset_stats_size, bitset_stats_list,
11817 bitset_stats_list_reverse, bitset_stats_size,
11818 bitset_stats_count, bitset_stats_list, bitset_stat_list_reverse):
11819 Likewise.
11820 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
11821 * lib/bitsetv.c (bitsetv_alloc, bitsetv_create, bitsetv_free,
11822 bitsetv_zero, bitsetv_ones, bitsetv_transitive_closure,
11823 bitsetv_reflexive_transitive_closure): Likewise.
11824 * lib/bitsetv.h (bitsetv_alloc, bitsetv_create): Likewise.
11825 * lib/ebitset.c (ebitset_size, ebitset_list, ebitset_list_reverse):
11826 Likewise.
11827 * lib/lbitset.c (lbitset_size, lbitset_list, lbitset_list_merge):
11828 Likewise.
11829
11830 * lib/abitset.c (abitset_ones, abitset_zero, abitset_bytes):
11831 Use size_t, not unsigned int, to count bytes.
11832 * lib/abitset.h (abitset_bytes): Likewise.
11833 * lib/bitset.c (bitset_bytes, bitset_alloc, bitset_obstack_alloc):
11834 Likewise.
11835 * lib/bitset.h (bitset_bytes): Likewise.
11836 * lib/bitset_stats.c (bitset_stats_bytes, bitset_stats_init): Likewise.
11837 * lib/bitset_stats.h (bitset_stats_bytes): Likewise.
11838 * lib/bitsetv.c (bitsetv_alloc): Likewise.
11839 * lib/ebitset.c (ebitset_bytes): Likewise.
11840 * lib/ebitset.h (ebitset_bytes): Likewise.
11841 * lib/lbitset.c (lbitset_bytes): Likewise.
11842 * lib/lbitset.h (lbitset_bytes): Likewise.
11843
11844 * lib/abitset.c (abitset_empty_p, abitset_not, abitset_equal_p,
11845 abitset_subset_p, abitset_disjoint_p, abitset_and,
11846 abitset_and_cmp, abitset_andn, abitset_andn_cmp, abitset_or,
11847 abitset_or_cmp, abitset_xor, abitset_xor_cmp, abitset_and_or,
11848 abitset_and_or_cmp, abitset_andn_or, abitset_andn_or_cmp,
11849 abitset_or_and, abitset_or_and_cmp):
11850 Use bitset_windex instead of unsigned int.
11851 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
11852 * lib/ebitset.c (struct ebitset_struct.size, ebitset_elts_grow,
11853 ebitset_elt_add, ebitset_elt_remove, ebitset_weed,
11854 ebitset_elt_find, ebitset_list_reverse, ebitset_list, ebitset_init):
11855 Likewise.
11856 * lib/lbitset.c (lbitset_ones, lbitset_not): Likewise.
11857
11858 * lib/bitset.c (bitset_print):
11859 Use proper printf formats for widths of integer types.
11860 * lib/bitset_stats.c (bitset_percent_histogram_print,
11861 bitset_log_histogram_print, bitset_stats_print_1): Likewise.
11862 * lib/bitsetv-print.c (bitsetv_matrix_dump): Likewise.
11863 * lib/bitsetv.c (bitsetv_dump, debug_bitsetv): Likewise.
11864 * lib/lbitset.c (lbitset_bytes): Likewise.
11865
11866 * lib/bbitset.h (BITSET_BINDEX_MAX, BITSET_WINDEX_MAX,
11867 BITSET_SIZE_MAX): New macros.
11868 (BITSET_INDEX_MAX): Remove. It wasn't right, since it assumed that
11869 sizeof (bitset_word) == sizeof (bitset_windex). All uses changed
11870 to BITSET_WINDEX_MAX.
11871
11872 * lib/bitset.c (bitset_next, bitset_prev, bitset_first,
11873 bitset_last): Return BITSET_BINDEX_MAX (not -1) for no value,
11874 since we now return the bitset_bindex type (not int).
11875
11876 * lib/bitsetv.c (bitsetv_alloc): Check for arithmetic overflow
11877 when computing sizes.
11878 * lib/ebitset.c (ebitset_elts_grow): Likewise.
11879
11880 * lib/lbitset.c (lbitset_elt_find): Simplify windex calculation
11881 and avoid cast to unsigned.
11882
11883 2002-09-30 Akim Demaille <akim@epita.fr>
11884
11885 * lib/abitset.c, lib/bbitset.h, lib/bitset.c, lib/bitset.h,
11886 * lib/bitset_stats.c, lib/bitsetv.c, lib/ebitset.c, lib/lbitset.c:
11887 Updates from Michael Hayes.
11888
11889 2002-09-30 Art Haas <ahaas@neosoft.com>
11890
11891 * configure.ac: Update AC_OUTPUT and AM_CONFIG_HEADER
11892 invocations.
11893 * tests/cxx-type.at (declarator): Don't rely on NDEBUG being not
11894 defined.
11895
11896 2002-09-27 Akim Demaille <akim@epita.fr>
11897
11898 Version 1.49c.
11899
11900 2002-09-27 Akim Demaille <akim@epita.fr>
11901
11902 * configure.ac (AM_INIT_AUTOMAKE): We _need_ 1.7.
11903 (Because of AC_LIBSOURCE).
11904
11905 2002-09-27 Akim Demaille <akim@epita.fr>
11906
11907 Playing with Autoscan.
11908
11909 * configure.ac: Remove the old LIBOBJ tweaks.
11910 (AC_REPLACE_FUNCS): Add strrchr and strtol.
11911 * lib/strrchr.c: New.
11912 * lib/strtol.c: New, from the Coreutils 4.5.1.
11913
11914 2002-09-27 Akim Demaille <akim@epita.fr>
11915
11916 Playing with Autoscan.
11917
11918 * m4/prereq.m4 (jm_PREREQ_ARGMATCH, jm_FUNC_ARGMATCH): New.
11919 * lib/Makefile.am (libbison_a_SOURCES): No longer include
11920 argmatch.c and argmatch.h, since they are AC_LIBSOURCE'd.
11921 * lib/strcasecmp.c, lib/strncasecmp.c, lib/memcmp.c: New, from the
11922 Coreutils 4.5.1.
11923
11924 2002-09-24 Akim Demaille <akim@epita.fr>
11925
11926 * doc/bison.texinfo (Stack Overflow): xref to Recursion.
11927 (Frequently Asked Questions, Parser Stack Overflow): New.
11928
11929 2002-09-13 Akim Demaille <akim@epita.fr>
11930
11931 Playing with autoscan.
11932
11933 * src/reader.c (get_merge_function): Use xstrdup, not strdup.
11934 * src/files.c (skeleton_find): Remove, unused.
11935 * m4/memcmp.m4: New, from the Coreutils 4.5.1.
11936 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Run jm_FUNC_MEMCMP.
11937
11938 2002-09-13 Akim Demaille <akim@epita.fr>
11939
11940 * configure.ac (AM_INIT_AUTOMAKE): Require Automake 1.6.3.
11941 * Makefile.am (AUTOMAKE_OPTIONS): Don't.
11942
11943 2002-09-13 Akim Demaille <akim@epita.fr>
11944
11945 * configure.ac: Require 2.54.
11946 s/jm_FUNC_MALLOC/AC_FUNC_MALLOC/.
11947 s/jm_FUNC_REALLOC/AC_FUNC_REALLOC/.
11948 * m4/c-bs-a.m4, m4/malloc.m4, m4/mbstate_t.m4, m4/realloc.m4:
11949 Remove, provided by Autoconf macros.
11950
11951 2002-09-12 Akim Demaille <akim@epita.fr>
11952
11953 * m4/prereq.m4: Update, from Coreutils 4.5.1.
11954
11955 2002-09-12 Akim Demaille <akim@epita.fr>
11956
11957 * m4/prereq.m4: Update, from Fileutils 4.1.5.
11958 * configure.ac (jm_PREREQ_TEMPNAME): Invoke it.
11959 Reported by Martin Mokrejs.
11960
11961 2002-09-10 Akim Demaille <akim@epita.fr>
11962
11963 * src/parse-gram.y: Associate a human readable string to each
11964 token type.
11965 * tests/regression.at (Invalid inputs): Adjust.
11966
11967 2002-09-10 Gary V. Vaughan <gary@gnu.org>
11968
11969 * tests/Makefile.am ($(srcdir)/package.m4): Bison now ships
11970 with an Autoconf-2.5x style configure.ac.
11971
11972 2002-09-06 Paul Eggert <eggert@twinsun.com>
11973
11974 * doc/bison.texinfo (Conditions): Make explicit that the GPL
11975 exception applies only to yacc.c. This is a modification of a
11976 patch originally suggested by Akim Demaille.
11977
11978 2002-09-06 Akim Demaille <akim@epita.fr>
11979
11980 * data/c.m4 (b4_copyright): Move the GPL exception comment from
11981 here to...
11982 * data/yacc.c: here.
11983
11984 * data/lalr1.cc (struct yyltype): Don't define it, since we use
11985 LocationType.
11986 (b4_ltype): Default to yy::Location from location.hh.
11987
11988 2002-09-04 Jim Meyering <jim@meyering.net>
11989
11990 * data/yacc.c: Guard the declaration of yytoknum also with
11991 `#ifdef YYPRINT', so it is declared only when used.
11992
11993 2002-09-04 Akim Demaille <akim@epita.fr>
11994
11995 * configure.in: Rename as...
11996 * configure.ac: this.
11997 Bump to 1.49c.
11998
11999 2002-09-04 Akim Demaille <akim@epita.fr>
12000
12001 * src/assoc.c, src/closure.c, src/gram.c, src/injections.c,
12002 * src/lalr.c, src/LR0.c, src/relation.c, src/tables.c: Don't
12003 translate maintainer only messages.
12004
12005 2002-08-12 Paul Eggert <eggert@twinsun.com>
12006
12007 Version 1.49b.
12008
12009 * Makefile.am (SUBDIRS): Remove intl.
12010 (DISTCLEANFILES): Remove.
12011 * NEWS: Mention that GNU M4 is now required. Clarify what is
12012 meant by "larger grammars". Mention the pt_BR translation.
12013 * configure.in (AC_CHECK_DECLS): Add getenv, getopt.
12014 (AM_GNU_GETTEXT_VERSION): New macro, replacing GETTEXT_VERSION var.
12015 Bump version from 0.11.2 to 0.11.5.
12016 (BISON_PREREQ_STAGE): Remove.
12017 (AM_GNU_GETTEXT): Use external gettext.
12018 (AC_OUTPUT): Remove intl/Makefile.
12019
12020 * config/depcomp, config/install-sh: Sync with Automake 1.6.3.
12021
12022 * data/glr.c: Include string.h, for strlen.
12023 (yyreportParseError): Use size_t for yysize.
12024 (yy_yypstack): No longer nested inside yypstates, as nested
12025 functions are not portable. Do not assume size_t is the
12026 same width as int.
12027 (yypstates): Do not assume that ptrdiff_t is the same width
12028 as int, and similarly for yyposn and YYINDEX.
12029
12030 * data/yacc.c: Fix comment about `$$ = $1': it can copy garbage.
12031
12032 * lib/Makefile.am (INCLUDES): Do not include from the intl
12033 directory, which has been removed.
12034 * src/Makefile.am (INCLUDES): Likewise.
12035
12036 * lib/Makefile.am (libbison_a_SOURCES): Add unlocked-io.h.
12037 (bitsets_sources, additional_bitsets_sources, timevars_sources):
12038 New vars.
12039
12040 * lib/Makefile.am (libbison_a_SOURCES): Avoid +=, a GNU make extension.
12041 * tests/Makefile.am (EXTRA_DIST): Likewise.
12042
12043 * lib/abitset.c (abitset_reverse_list, ebitset_reverse_list):
12044 Do not assume that bitset_windex is the same width as unsigned.
12045
12046 * lib/abitset.c (abitset_unused_clear): Do not assume that
12047 bitset_word is the same width as int.
12048 * lib/bbitset.h (BITSET_INDEX_MAX, BITSET_MSB): Likewise.
12049 * lib/bitset.h (bitset_set, bitset_reset): Likewise.
12050 * lib/bitset_stats.c (bitset_stats_set, bitset_stats_reset): Likewise.
12051 * lib/ebitset.c (ebitset_set, ebitset_reset): Likewise.
12052 * lib/lbitset.c (lbitset_set, lbitset_reset): Likewise.
12053
12054 * lib/abitset.c (abitset_op1): Use -1, not ~0, as memset arg (for
12055 portability to one's complement hosts!).
12056 * lib/ebitset.c (ebitset_op1): Likewise.
12057 * lib/lbitset.c (lbitset_op1): Likewise.
12058
12059 * lib/argmatch.c, lib/quotearg.c, quotearg.h: Sync with GNU tar.
12060 * lib/argmatch.h, lib/basename.c, lib/dirname.c, lib/dirname.h,
12061 lib/hash.c, lib/hash.h, lib/strnlen.c, lib/xmalloc.c:
12062 Sync with fileutils.
12063 * lib/error.c, lib/getopt.c, lib/getopt.h, lib/getopt1.c,
12064 lib/gettext.h: Sync with diffutils.
12065
12066 * lib/memrchr.c, lib/mkstemp.c, lib/strchr.c, lib/strnlen.c,
12067 lib/strspn.c, lib/tempname.c: Use GPL, not LGPL.
12068
12069 * lib/obstack.c, lib/obstack.h: Sync with fileutils, except use
12070 PROTOTYPES to check for prototypes, and "defined __STDC__" to
12071 check for void *.
12072
12073 * lib/bbitset.h (BITSET_WORD_BITS): Now of type unsigned, not
12074 size_t; the old version tried to do this but casted improperly.
12075 (bitset_bindex, bitset_windex): Now size_t, not unsigned long.
12076 (bitset_test): Now returns int, not unsigned long.
12077
12078 * lib/bitset_stats.c: Include "gettext.h".
12079 (_): New macro.
12080 (bitset_stats_set, bitset_stats_reset, bitset_stats_test): Don't
12081 name locals "index", as it generates unnecessary warnings on some
12082 hosts that have an "index" function.
12083
12084 * lib/bitset_stats.c (bitset_stats_print_1, bitset_stats_print,
12085 bitset_stats_read, bitset_stats_write): Wrap strings in _() if
12086 they need translation.
12087 * src/LR0.c (state_list_append, new_itemsets, get_state,
12088 append_states, generate_states): Likewise.
12089 * src/assoc.c (assoc_to_string): Likewise.
12090 * src/closure.c (print_closure, set_firsts, closure): Likewise.
12091 * src/gram.c (grammar_dump): Likewise.
12092 * src/injections.c (injections_compute): Likewise.
12093 * src/lalr.c (lookaheads_print): Likewise.
12094 * src/relation.c (relation_transpose): Likewise.
12095 * src/scan-gram.l: Likewise.
12096 * src/tables.c (table_grow, pack_vector): Likewise.
12097
12098 * m4/Makefile.am (EXTRA_DIST): Remove codeset.m4,
12099 glibc21.m4, isc-posix.m4 lcmessage.m4, stage.m4.
12100 * m4/malloc.m4, m4/realloc.m4: Sync with diffutils.
12101 * m4/mbstate_t.m4: Sync with fileutils.
12102 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): AC_MBSTATE_T -> AC_TYPE_MBSTATE_T.
12103
12104 * po/LINGUAS: Add pt_BR.
12105 * po/POTFILES.in: Add src/assoc.c, src/closure.c, src/gram.c,
12106 src/main.c, src/relation.c, src/state.c, lib/bitset_stats.c,
12107 lib/timevar.c.
12108 Use src/parse-gram.y instead of src/parse-gram.c, as the gettext
12109 manual recommends.
12110 Similarly, use src/scan-gram.l instead of src/scan-gram.c.
12111
12112 * src/complain.c (strerror_r): Remove decl; not needed.
12113 (strerror): Use same pattern as ../lib/error.c.
12114
12115 * src/files.c, src/files.h (compute_header_macro): Remove; unused.
12116
12117 * src/gram.c (grammar_dump): Do not assume ptrdiff_t fits in int.
12118
12119 * src/main.c (main): Cast result of bindtextdomain and textdomain
12120 to void, to avoid a GCC warning when --disable-nls is in effect.
12121
12122 * src/scan-gram.l: Use strings rather than escapes when possible,
12123 to minimize the number of warnings from xgettext.
12124 (handle_action_dollar, handle_action_at): Don't use isdigit,
12125 as it mishandles negative chars and it may not work as expected
12126 outside the C locale.
12127
12128 * src/symtab.c (symbol_get): Don't cast LHS of an assignment;
12129 this is a GCC extension and is not portable to other compilers.
12130
12131 * src/system.h (alloca): Use same pattern as ../lib/error.c.
12132 Do not include <ctype.h>; no longer needed.
12133 Do not include <malloc.h>; no longer needed (and generates
12134 warnings on OpenBSD 3.0).
12135
12136 * tests/cxx-type.at (yylex): Do not pass signed char to isupper;
12137 it's not portable.
12138
12139 * tests/regression.at: Do not use 'cc -c input.c -o input';
12140 Sun C rejects this. Instead, use 'cc -c input.c -o input.o'.
12141
12142 * tests/synclines.at (AC_SYNCLINES_COMPILE): Accept any nonzero
12143 exit status as failure, not just exit status 1. Sun C exits
12144 with status 2 sometimes.
12145
12146 * tests/torture.at (AT_INCREASE_DATA_SIZE): New macro.
12147 Use it for the two large tests.
12148
12149 2002-08-02 Akim Demaille <akim@epita.fr>
12150
12151 * src/conflicts.c (conflicts_output): Don't output rules never
12152 reduced here, since anyway that computation doesn't work.
12153 * src/gram.h, src/gram.h (rule_filter_t, rule_useful_p)
12154 (rule_useless_p, rule_never_reduced_p): New.
12155 (grammar_rules_partial_print): Use a filter instead of a range.
12156 Display the title only if needed.
12157 (grammar_rules_print): Adjust.
12158 (grammar_rules_never_reduced_report): New.
12159 * src/tables.c (action_row): Move the computation of rules never
12160 reduced to...
12161 (token_actions): here.
12162 * src/main.c (main): Make the parser before making the report, so
12163 that rules never reduced are computed.
12164 Call grammar_rules_never_reduced_report.
12165 * src/print.c (print_results): Report rules never reduced.
12166 * tests/conflicts.at, tests/reduce.at: Adjust.
12167
12168 2002-08-01 Akim Demaille <akim@epita.fr>
12169
12170 Instead of attaching lookaheads and duplicating the rules being
12171 reduced by a state, attach the lookaheads to the reductions.
12172
12173 * src/state.h (state_t): Remove the `lookaheads',
12174 `lookaheads_rule' member.
12175 (reductions_t): Add a `lookaheads' member.
12176 Use a regular array for the `rules'.
12177 * src/state.c (reductions_new): Initialize the lookaheads member
12178 to 0.
12179 (state_rule_lookaheads_print): Adjust.
12180 * src/state.h, src/state.c (state_reductions_find): New.
12181 * src/conflicts.c (resolve_sr_conflict, set_conflicts)
12182 (count_rr_conflicts): Adjust.
12183 * src/lalr.c (LArule): Remove.
12184 (add_lookback_edge): Adjust.
12185 (state_lookaheads_count): New.
12186 (states_lookaheads_initialize): Merge into...
12187 (initialize_LA): this.
12188 (lalr_free): Adjust.
12189 * src/main.c (main): Don't free nullable and derives too early: it
12190 is used by --verbose.
12191 * src/print.c, src/print_graph.c, src/tables.c: Adjust.
12192
12193 2002-08-01 Akim Demaille <akim@epita.fr>
12194
12195 * src/derives.h, src/derives.c (derives): A `rule_t***' instead of
12196 `rule_number_t**'.
12197 (set_derives, free_derives): Rename as...
12198 (derives_compute, derives_free): this.
12199 Adjust all dependencies.
12200 * src/nullable.c (set_nullable, free_nullable): Rename as...
12201 (nullable_compute, nullable_free): these.
12202 (rule_list_t): Store rule_t *, not rule_number_t.
12203 * src/state.c (state_rule_lookaheads_print): Directly compare rule
12204 pointers, instead of their numbers.
12205 * src/main.c (main): Call nullable_free, and derives_free earlier,
12206 as they were lo longer used.
12207
12208 2002-08-01 Akim Demaille <akim@epita.fr>
12209
12210 * lib/timevar.c (get_time): Include children time.
12211 * src/lalr.h (LA, LArule): Don't export them: used with the
12212 state_t.
12213 * src/lalr.c (LA, LArule): Static.
12214 * src/lalr.h, src/lalr.c (lalr_free): New.
12215 * src/main.c (main): Call it.
12216 * src/tables.c (pack_vector): Check whether loc is >= to the
12217 table_size, not >.
12218 (pack_tables): Don't free froms, tos, conflict_tos, and pos...
12219 (tables_generate): do it, since that's also it which allocates
12220 them.
12221 Don't free LA and LArule, main does.
12222
12223 2002-07-31 Akim Demaille <akim@epita.fr>
12224
12225 Separate parser tables computation and output.
12226
12227 * src/output.c (nvectors, base_t, base, base_ninf, conflict_table)
12228 (conflict_list, conflict_list_cnt, table, check, table_ninf)
12229 (yydefgoto, yydefact, high): Move to...
12230 * src/tables.h, src/tables.c: here.
12231 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
12232 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
12233 (symbol_number_to_vector_number, nvectors, BASE_MAX, BASE_MIN)
12234 (froms, tos, conflict_tos, tally, width, action_t, ACTION_MAX)
12235 (ACTION_MIN, actrow, order, nentries, pos, conflrow)
12236 (conflict_list_free, table_size, lowzero, table_grow, conflict_row)
12237 (action_row, save_row, token_actions, save_column, default_goto)
12238 (goto_actions, sort_actions, matching_state, pack_vector)
12239 (table_ninf_remap, pack_table, prepare_actions): Move to...
12240 * src/tables.c: here.
12241 * src/tables.h, src/tables.c(tables_generate, tables_free): New.
12242 * src/output.c (token_actions, output_base, output_conflicts)
12243 (output_check): Merge into...
12244 (prepare_actions): this.
12245 (actions_output): Rename as...
12246 (user_actions_output): this.
12247 * src/main.c (main): Call tables_generate and tables_free.
12248
12249 2002-07-31 Akim Demaille <akim@epita.fr>
12250
12251 Steal GCC's --time-report support.
12252
12253 * lib/timevar.c, lib/timevar.h, lib/timevar.def: New,
12254 stolen/adjusted from GCC.
12255 * m4/stage.m4: Remove time related checks.
12256 * m4/timevar.m4: New.
12257 * configure.in: Adjust.
12258 * src/system.h: Adjust to using timevar.h.
12259 * src/getargs.h, src/getargs.c: Support trace_time for
12260 --trace=time.
12261 * src/main.c (stage): Remove.
12262 (main): Replace `stage' invocations with timevar calls.
12263 * src/output.c: Insert pertinent timevar calls.
12264
12265 2002-07-31 Akim Demaille <akim@epita.fr>
12266
12267 Let --trace have arguments.
12268
12269 * src/getargs.h (enum trace_e): New.
12270 * src/getargs.c (trace_args, trace_types, trace_argmatch): New.
12271 (long_options, short_options): --trace/-T takes an optional
12272 argument.
12273 Change all the uses of trace_flag to reflect the new flags.
12274 * tests/sets.at (Firsts, Nullable, Broken Closure): Use --trace=sets.
12275
12276 Strengthen `stage' portability.
12277
12278 * m4/stage.m4 (BISON_PREREQ_STAGE): New.
12279 * configure.in: Use it.
12280 Don't check for malloc.h and sys/times.h.
12281 * src/system.h: Include them when appropriate.
12282 * src/main.c (stage): Compile only when mallinfo, struct mallinfo,
12283 times and struct tms are available.
12284
12285 2002-07-30 Akim Demaille <akim@epita.fr>
12286
12287 In verbose parse error message, don't report `error' as an
12288 expected token.
12289 * tests/actions.at (Printers and Destructors): Adjust.
12290 * tests/calc.at (Calculator $1): Adjust.
12291 * data/yacc.c, data/glr.c, data/lalr1.c: When making the verbose
12292 error message, do not report the parser accepts the error token in
12293 that state.
12294
12295 2002-07-30 Akim Demaille <akim@epita.fr>
12296
12297 Normalize conflict related messages.
12298
12299 * src/complain.h, src/complain.c (warn, complain): New.
12300 * src/conflicts.c (conflicts_print): Use them.
12301 (conflict_report_yacc): New, extracted from...
12302 (conflicts_print): here.
12303 * tests/conflicts.at, tests/existing.at: Adjust.
12304
12305 2002-07-30 Akim Demaille <akim@epita.fr>
12306
12307 Report rules which are never reduced by the parser: those hidden
12308 by conflicts.
12309
12310 * src/LR0.c (save_reductions): Don't make the final state too
12311 different: save its reduction (accept) instead of having a state
12312 without any action (no shift or goto, no reduce).
12313 Note: the final state is now a ``regular'' state, i.e., the
12314 parsers now contain `reduce 0' as default reduction.
12315 Nevertheless, since they decide to `accept' when yystate =
12316 final_state, they still will not reduce rule 0.
12317 * src/print.c (print_actions, print_reduction): Adjust.
12318 * src/output.c (action_row): Track reduced rules.
12319 (token_actions): Report rules never reduced.
12320 * tests/conflicts.at, tests/regression.at: Adjust.
12321
12322 2002-07-30 Akim Demaille <akim@epita.fr>
12323
12324 `stage' was accidently included in a previous patch.
12325 Initiate its autoconfiscation.
12326
12327 * configure.in: Look for malloc.h and sys/times.h.
12328 * src/main.c (stage): Adjust.
12329 Report only when trace_flag.
12330
12331 2002-07-29 Akim Demaille <akim@epita.fr>
12332
12333 * src/state.h, src/state.c (transitions_t): Holds state_t*'s, not
12334 state_number_t.
12335 (errs_t): symbol_t*, not symbol_number_t.
12336 (reductions_t): rule_t*, not rule_number_t.
12337 (FOR_EACH_SHIFT): New.
12338 * src/LR0.c, src/conflicts.c, src/lalr.c, src/output.c
12339 * src/print.c, src/print_graph.c: Adjust.
12340
12341 2002-07-29 Akim Demaille <akim@epita.fr>
12342
12343 Use $accept and $end, as BYacc and BTYacc do, instead of $axiom and $.
12344
12345 * src/symtab.h, src/symtab.c (eoftoken, axiom): Rename as...
12346 (endtoken, accept): these.
12347 * src/reader.c (reader): Set endtoken's default tag to "$end".
12348 Set undeftoken's tag to "$undefined" instead of "$undefined.".
12349 * doc/bison.texinfo (Table of Symbols): Mention $accept and $end.
12350 Adjust.
12351
12352 2002-07-29 Akim Demaille <akim@epita.fr>
12353
12354 * src/reduce.c (reduce_grammar): When the language is empty,
12355 complain about the start symbol, not the axiom.
12356 Use its location.
12357 * tests/reduce.at (Empty Language): New.
12358
12359 2002-07-26 Akim Demaille <akim@epita.fr>
12360
12361 * src/reader.h, src/reader.c (gram_error): ... can't get
12362 yycontrol without making too strong assumptions on the parser
12363 itself.
12364 * src/output.c (prepare_tokens): Use the real 0th value of
12365 token_translations instead of `0'.
12366 * src/parse-gram.y (yyerror): Don't rely on yycontrol being
12367 visible here.
12368 * data/yacc.c (yyreport_parse_error): Rename yylocation as yylloc
12369 for the time being: %locations ought to provide it to yyerror.
12370
12371 2002-07-25 Akim Demaille <akim@epita.fr>
12372
12373 * src/output.c (prepare_tokens): Go up to ntokens, not ntokens + 1.
12374 * doc/bison.texinfo (Decl Summary): s/$illegal/$undefined./.
12375 * tests/regression.at (Web2c Actions): Adjust.
12376
12377 2002-07-25 Akim Demaille <akim@epita.fr>
12378
12379 Stop storing rules from 1 to nrules + 1.
12380
12381 * src/LR0.c, src/closure.c, src/derives.c, src/gram.c, src/lalr.c
12382 * src/nullable.c, src/output.c, src/print.c, src/reader.c
12383 * src/reduce.c: Allocate and free from &rules[0], not &rules[1].
12384 Iterate from 0 to nrules.
12385 Use rule_number_as_item_number and item_number_as_rule_number.
12386 Adjust to `derive' now containing possibly 0.
12387 * src/gram.h (rule_number_as_item_number, item_number_as_rule_number):
12388 Handle the `- 1' part in rule numbers from/to item numbers.
12389 * src/conflicts.c (log_resolution): Fix the message which reversed
12390 shift and reduce.
12391 * src/output.c (action_row): Initialize default_rule to -1.
12392 (token_actions): Adjust.
12393 * tests/sets.at (Nullable, Firsts): Fix the previously bogus
12394 expected output.
12395 * tests/conflicts.at (Resolved SR Conflicts): Likewise.
12396
12397 2002-07-25 Akim Demaille <akim@epita.fr>
12398
12399 * data/c.m4 (b4_c_function, b4_c_ansi_args, b4_c_ansi_arg)
12400 (b4_c_knr_arg_names, b4_c_knr_arg_name, b4_c_knr_arg_decls)
12401 (b4_c_knr_arg_decl): New.
12402 * data/yacc.c: Use it to define yysymprint, yydestruct, and
12403 yyreport_parse_error.
12404
12405 2002-07-25 Akim Demaille <akim@epita.fr>
12406
12407 * data/yacc.c (yyreport_parse_error): New, extracted from...
12408 (yyparse): here.
12409 (yydestruct, yysymprint): Move above yyparse.
12410 Be K&R compliant.
12411
12412 2002-07-25 Akim Demaille <akim@epita.fr>
12413
12414 * data/c.m4 (b4_ints_in, b4_int_type, b4_int_type_for): New,
12415 replace...
12416 (b4_sint_type, b4_uint_type): these.
12417 * data/yacc.c, data/glr.c, data/lalr1.cc: Use b4_int_type_for.
12418 * tests/regression.at (Web2c Actions): Adjust.
12419
12420 2002-07-25 Akim Demaille <akim@epita.fr>
12421
12422 * src/gram.h (TIEM_NUMBER_MAX): New.
12423 (item_number_of_rule_number, rule_number_of_item_number): Rename
12424 as...
12425 (rule_number_as_item_number, item_number_as_rule_number): these.
12426 Adjust dependencies.
12427 * src/output.c (vector_number_t, VECTOR_NUMBER_MAX)
12428 (VECTOR_NUMBER_MIN, state_number_to_vector_number)
12429 (symbol_number_to_vector_number): New.
12430 (order): Of vector_number_t* type.
12431 (base_t, BASE_MAX, BASE_MIN): New.
12432 (froms, tos, width, pos, check): Of base_t type.
12433 (action_number_t, ACTION_MIN, ACTION_MAX): New.
12434 (actrow): Of action_number_t type.
12435 (conflrow): Of unsigned int type.
12436 (table_ninf, base_ninf): New.
12437 (GENERATE_MUSCLE_INSERT_TABLE): Also output the `*_min' value.
12438 (muscle_insert_int_table, muscle_insert_base_table)
12439 (muscle_insert_rule_number_table): New.
12440 (prepare_tokens): Output `toknum' as int_table.
12441 (action_row): Returns a rule_number_t.
12442 Use ACTION_MIN, not SHRT_MIN.
12443 (token_actions): yydefact is rule_number_t*.
12444 (table_ninf_remap): New.
12445 (pack_table): Use it for `base' and `table'.
12446 * data/yacc.c, data/glr.c, data/lalr1.cc (YYFLAG): Remove,
12447 replaced with...
12448 (YYPACT_NINF, YYTABLE_NINF): these.
12449 (yypact, yytable): Compute their types instead of hard-coded
12450 `short'.
12451 * tests/regression.at (Web2c Actions): Adjust.
12452
12453 2002-07-19 Akim Demaille <akim@epita.fr>
12454
12455 * src/scan-gram.l (id): Can start with an underscore.
12456
12457 2002-07-16 Akim Demaille <akim@epita.fr>
12458
12459 * src/assoc.c, src/asssoc.h (assoc_t, assoc_to_string): New.
12460 Adjust all former `associativity' dependencies.
12461 * src/symtab.c (symbol_new): Default associativity is `undef', not
12462 `right'.
12463 (symbol_check_alias_consistence): Adjust.
12464
12465 2002-07-09 Akim Demaille <akim@epita.fr>
12466
12467 * doc/bison.texinfo: Properly set the ``header'' part.
12468 Use @dircategory ``GNU programming tools'' as per Texinfo's
12469 documentation.
12470 Use @copying.
12471
12472 2002-07-09 Akim Demaille <akim@epita.fr>
12473
12474 * lib/quotearg.h: Protect against multiple inclusions.
12475 * src/location.h (location_t): Add a `file' member.
12476 (LOCATION_RESET, LOCATION_PRINT): Adjust.
12477 * src/complain.c (warn_at, complain_at, fatal_at): Drop
12478 `error_one_per_line' support.
12479
12480 2002-07-09 Akim Demaille <akim@epita.fr>
12481
12482 * src/complain.h, src/complain.c (warn, complain): Remove, unused.
12483 * src/reader.c (lineno): Remove.
12484 Adjust all dependencies.
12485 (get_merge_function): Take a location and use complain_at.
12486 * src/symtab.h, src/symtab.c (symbol_make_alias): Likewise.
12487 * tests/regression.at (Invalid inputs, Mixing %token styles):
12488 Adjust.
12489
12490 2002-07-09 Akim Demaille <akim@epita.fr>
12491
12492 * src/parse-gram.y (rules_or_grammar_declaration): Add an error
12493 recovery rule, and forbid extensions when --yacc.
12494 (gram_error): Use complain_at.
12495 * src/reader.c (reader): Exit if there were parse errors.
12496
12497 2002-07-09 Akim Demaille <akim@epita.fr>
12498
12499 * tests/synclines.at (AT_SYNCLINES_COMPILE): New.
12500 (AT_TEST_SYNCLINE): Adjust to unusual GCC outputs.
12501 Reported by R Blake <blakers@mac.com>.
12502
12503 2002-07-09 Akim Demaille <akim@epita.fr>
12504
12505 * data/yacc.c: Output the copyright notive in the header.
12506
12507 2002-07-03 Akim Demaille <akim@epita.fr>
12508
12509 * src/output.c (froms, tos): Are state_number_t.
12510 (save_column): sp, sp1, and sp2 are state_number_t.
12511 (prepare): Rename `final' as `final_state_number', `nnts' as
12512 `nterms_number', `nrules' as `rules_number', `nstates' as
12513 `states_number', and `ntokens' as `tokens_number'. Remove `nsym',
12514 unused.
12515 * data/yacc.c, data/glr.c, data/lalr1.cc: Adjust.
12516 * data/lalr1.cc (nsym_): Remove, unused.
12517
12518 2002-07-03 Akim Demaille <akim@epita.fr>
12519
12520 * src/lalr.h, src/lalr.c (goto_number_t): New.
12521 * src/lalr.c (goto_list_t): New.
12522 Propagate them.
12523 * src/nullable.c (rule_list_t): New.
12524 Propagate.
12525 * src/types.h: Remove.
12526
12527 2002-07-03 Akim Demaille <akim@epita.fr>
12528
12529 * src/closure.c (print_fderives): Use rule_rhs_print.
12530 * src/derives.c (print_derives): Use rule_rhs_print.
12531 (rule_list_t): New, replaces `shorts'.
12532 (set_derives): Add comments.
12533 * tests/sets.at (Nullable, Firsts): Adjust.
12534
12535 2002-07-03 Akim Demaille <akim@epita.fr>
12536
12537 * src/output.c (prepare_actions): Free `tally' and `width'.
12538 (prepare_actions): Allocate and free `order'.
12539 * src/symtab.c (symbols_free): Free `symbols'.
12540 * src/scan-gram.l (scanner_free): Clear Flex's scanners memory.
12541 * src/output.c (m4_invoke): Move to...
12542 * src/scan-skel.l: here.
12543 (<<EOF>>): Close yyout, and free its name.
12544
12545 2002-07-03 Akim Demaille <akim@epita.fr>
12546
12547 Fix some memory leaks, and fix a bug: state 0 was examined twice.
12548
12549 * src/LR0.c (new_state): Merge into...
12550 (state_list_append): this.
12551 (new_states): Merge into...
12552 (generate_states): here.
12553 (set_states): Don't ensure a proper `errs' state member here, do it...
12554 * src/conflicts.c (conflicts_solve): here.
12555 * src/state.h, src/state.c: Comment changes.
12556 (state_t): Rename member `shifts' as `transitions'.
12557 Adjust all dependencies.
12558 (errs_new): For consistency, also take the values as argument.
12559 (errs_dup): Remove.
12560 (state_errs_set): New.
12561 (state_reductions_set, state_transitions_set): Assert that no
12562 previous value was assigned.
12563 (state_free): New.
12564 (states_free): Use it.
12565 * src/conflicts.c (resolve_sr_conflict): Don't use an `errs_t' as
12566 temporary storage: use `errs' and `nerrs' as elsewhere.
12567 (set_conflicts): Allocate and free this `errs'.
12568
12569 2002-07-02 Akim Demaille <akim@epita.fr>
12570
12571 * lib/libiberty.h: New.
12572 * lib: Update the bitset implementation from upstream.
12573 * src/closure.c, src/lalr.c, src/output.c, src/print_graph.c,
12574 * src/state.c: Use BITSET_FOR_EACH, not BITSET_EXECUTE.
12575 * src/main.c: Adjust bitset stats calls.
12576
12577 2002-07-01 Paul Eggert <eggert@twinsun.com>
12578
12579 * src/scan-gram.l (<SC_ESCAPED_CHARACTER>): Convert to unsigned
12580 char, so that negative chars don't collide with $.
12581
12582 2002-06-30 Akim Demaille <akim@epita.fr>
12583
12584 Have the GLR tests be `warning' checked, and fix the warnings.
12585
12586 * data/glr.c (YYFPRINTF): Always define it, not only when YYDEBUG
12587 (yyuserAction, yyreportAmbiguity): `Use' all the arguments.
12588 (yyremoveDeletes): `yyi' and `yyj' are size_t.
12589 Use YYFPRINTF when under if (YYDEBUG) to avoid empty `if' bodies.
12590 (yyaddDeferredAction): static.
12591 (yyglrReduce): yyi, yyk, amd yyposn are size_t.
12592 (yyreportParseError): yyprefix is const.
12593 yytokenp is used only when verbose.
12594 (yy__GNUC__): Replace with __GNUC__.
12595 (yypdumpstack): yyi is size_t.
12596 (yypreference): Un-yy local variables and arguments, to avoid
12597 clashes with `yyr1'. Anyway, we are not in the user name space.
12598 (yytname_size): be an int, as is compared with ints.
12599 * tests/testsuite.at (AT_COMPILE, AT_PARSER_CHECK): New.
12600 Use them.
12601 * tests/cxx-gram.at: Use quotation to protect $1.
12602 Use AT_COMPILE to enable warnings hunts.
12603 Prototype yylex and yyerror.
12604 `Use' argc.
12605 Include `string.h', not `strings.h'.
12606 Produce and prototype stmtMerge only when used.
12607 yylex takes a location.
12608
12609 2002-06-30 Akim Demaille <akim@epita.fr>
12610
12611 We spend a lot of time in quotearg, in particular when --verbose.
12612
12613 * src/symtab.c (symbol_get): Store a quoted version of the key.
12614 (symbol_tag_get, symbol_tag_get_n, symbol_tag_print): Remove.
12615 Adjust all callers.
12616
12617 2002-06-30 Akim Demaille <akim@epita.fr>
12618
12619 * src/state.h (reductions_t): Rename member `nreds' as num.
12620 (errs_t): Rename members `nerrs' and `errs' as `num' and `symbols'.
12621 * src/state.c (ERRS_ALLOC, REDUCTIONS_ALLOC): Use the correct types.
12622
12623 2002-06-30 Akim Demaille <akim@epita.fr>
12624
12625 * src/state.h, src/state.c (shift_t, SHIFT_SYMBOL, SHIFT_IS_SHIFT)
12626 (SHIFT_IS_GOTO, SHIFT_IS_ERROR, SHIFT_DISABLE, SHIFT_IS_DISABLED)
12627 (shifts_to): Rename as...
12628 (transition_t, TRANSITION_SYMBOL, TRANSITION_IS_TRANSITION)
12629 (TRANSITION_IS_GOTO, TRANSITION_IS_ERROR, TRANSITION_DISABLE)
12630 (TRANSITION_IS_DISABLED, transitions_to): these.
12631
12632 2002-06-30 Akim Demaille <akim@epita.fr>
12633
12634 * src/print.c (print_shifts, print_gotos): Merge into...
12635 (print_transitions): this.
12636 (print_transitions, print_errs, print_reductions): Align the
12637 lookaheads columns.
12638 (print_core, print_transitions, print_errs, print_state,
12639 print_grammar): Output empty lines separator before, not after.
12640 (state_default_rule_compute): Rename as...
12641 (state_default_rule): this.
12642 * tests/conflicts.at (Defaulted Conflicted Reduction),
12643 (Unresolved SR Conflicts, Resolved SR Conflicts): Adjust.
12644 * tests/regression.at (Rule Line Numbers, Web2c Report): Adjust.
12645
12646 2002-06-30 Akim Demaille <akim@epita.fr>
12647
12648 Display items as we display rules.
12649
12650 * src/gram.h, src/gram.c (rule_lhs_print): New.
12651 * src/gram.c (grammar_rules_partial_print): Use it.
12652 * src/print.c (print_core): Likewise.
12653 * tests/conflicts.at (Defaulted Conflicted Reduction),
12654 (Unresolved SR Conflicts): Adjust.
12655 (Unresolved SR Conflicts): Adjust and rename as...
12656 (Resolved SR Conflicts): this, as was meant.
12657 * tests/regression.at (Web2c Report): Adjust.
12658
12659 2002-06-30 Akim Demaille <akim@epita.fr>
12660
12661 * src/print.c (state_default_rule_compute): New, extracted from...
12662 (print_reductions): here.
12663 Pessimize, but clarify the code.
12664 * tests/conflicts.at (Defaulted Conflicted Reduction): New.
12665
12666 2002-06-30 Akim Demaille <akim@epita.fr>
12667
12668 * src/output.c (action_row): Let default_rule be always a rule
12669 number.
12670
12671 2002-06-30 Akim Demaille <akim@epita.fr>
12672
12673 * src/closure.c (print_firsts, print_fderives, closure):
12674 Use BITSET_EXECUTE.
12675 * src/lalr.c (lookaheads_print): Likewise.
12676 * src/state.c (state_rule_lookaheads_print): Likewise.
12677 * src/print_graph.c (print_core): Likewise.
12678 * src/print.c (print_reductions): Likewise.
12679 * src/output.c (action_row): Likewise.
12680 Use SHIFT_IS_DISABLED, SHIFT_IS_SHIFT and SHIFT_SYMBOL.
12681
12682 2002-06-30 Akim Demaille <akim@epita.fr>
12683
12684 * src/print_graph.c: Use report_flag.
12685
12686 2002-06-30 Akim Demaille <akim@epita.fr>
12687
12688 * src/lalr.c (traverse, digraph, matrix_print, transpose): Move
12689 to...
12690 * src/relation.h, src/relation.c (traverse, relation_digraph)
12691 (relation_print, relation_transpose): New.
12692
12693 2002-06-30 Akim Demaille <akim@epita.fr>
12694
12695 * src/state.h, src/state.c (shifts_to): New.
12696 * src/lalr.c (build_relations): Use it.
12697
12698 2002-06-30 Akim Demaille <akim@epita.fr>
12699
12700 * src/gram.h (rule_number_t, RULE_NUMBER_MAX, int_of_rule_number)
12701 (item_number_of_rule_number, rule_number_of_item_number): New.
12702 * src/LR0.c, src/closure.c, src/derives.c, src/derives.h,
12703 * src/gram.c, src/lalr.c, src/nullable.c, src/output.c, src/print.c,
12704 * src/print_graph.c, src/reader.c, src/reduce.c, src/reduce.h:
12705 Propagate their use.
12706 Much remains to be done, in particular wrt `shorts' from types.h.
12707
12708 2002-06-30 Akim Demaille <akim@epita.fr>
12709
12710 * src/symtab.c (symbol_new): Initialize the `printer' member.
12711
12712 2002-06-30 Akim Demaille <akim@epita.fr>
12713
12714 * src/LR0.c (save_reductions): Remove, replaced by...
12715 * src/state.h, src/state.c (state_reductions_set): New.
12716 (reductions, errs): Rename as...
12717 (reductions_t, errs_t): these.
12718 Adjust all dependencies.
12719
12720 2002-06-30 Akim Demaille <akim@epita.fr>
12721
12722 * src/LR0.c (state_list_t, state_list_append): New.
12723 (first_state, last_state): Now symbol_list_t.
12724 (this_state): Remove.
12725 (new_itemsets, append_states, save_reductions): Take a state_t as
12726 argument.
12727 (set_states, generate_states): Adjust.
12728 (save_shifts): Remove, replaced by...
12729 * src/state.h, src/state.c (state_shifts_set): New.
12730 (shifts): Rename as...
12731 (shifts_t): this.
12732 Adjust all dependencies.
12733 * src/state.h (state_t): Remove the `next' member.
12734
12735 2002-06-30 Akim Demaille <akim@epita.fr>
12736
12737 * src/vcg.c (quote): Use slot 2, since we often pass symbol tag
12738 escaped in slot 0.
12739
12740 2002-06-30 Akim Demaille <akim@epita.fr>
12741
12742 Use hash.h for the state hash table.
12743
12744 * src/LR0.c (STATE_HASH_SIZE, state_hash): Remove.
12745 (allocate_storage): Use state_hash_new.
12746 (free_storage): Use state_hash_free.
12747 (new_state, get_state): Adjust.
12748 * src/lalr.h, src/lalr.c (states): Move to...
12749 * src/states.h (state_t): Remove the `link' member, no longer
12750 used.
12751 * src/states.h, src/states.c: here.
12752 (state_hash_new, state_hash_free, state_hash_lookup)
12753 (state_hash_insert, states_free): New.
12754 * src/states.c (state_table, state_compare, state_hash): New.
12755 * src/output.c (output_actions): Do not free states now, since we
12756 still need to know the final_state number in `prepare', called
12757 afterwards. Do it...
12758 * src/main.c (main): here: call states_free after `output'.
12759
12760 2002-06-30 Akim Demaille <akim@epita.fr>
12761
12762 * src/state.h, src/state.c (state_new): New, extracted from...
12763 * src/LR0.c (new_state): here.
12764 * src/state.h (STATE_ALLOC): Move to...
12765 * src/state.c: here.
12766 * src/LR0.h, src/LR0.c (nstates, final_state): Move to...
12767 * src/state.h, src/state.c: here.
12768
12769 2002-06-30 Akim Demaille <akim@epita.fr>
12770
12771 * src/reader.c (gensym): Rename as...
12772 * src/symtab.h, src/symtab.c (dummy_symbol_get): this.
12773 (getsym): Rename as...
12774 (symbol_get): this.
12775
12776 2002-06-30 Akim Demaille <akim@epita.fr>
12777
12778 * src/state.h (state_number_t, STATE_NUMBER_MAX): New.
12779 * src/LR0.c, src/LR0.h, src/conflicts.c, src/lalr.c, src/lalr.h,
12780 * src/output.c, src/print.c, src/print_graph.c: Propagate.
12781 * src/LR0.h, src/LR0.h (final_state): Is a state_t*.
12782
12783 2002-06-30 Akim Demaille <akim@epita.fr>
12784
12785 Make the test suite pass with warnings checked.
12786
12787 * tests/actions.at (Printers and Destructors): Improve.
12788 Avoid unsigned vs. signed issues.
12789 * tests/calc.at: Don't exercise the scanner here, do it...
12790 * tests/input.at (Torturing the Scanner): here.
12791
12792 2002-06-28 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12793
12794 * data/glr.c: Correct typo in Emacs-mode directive. Slightly
12795 reorganize first lines parallel to yacc.c.
12796
12797 2002-06-28 Akim Demaille <akim@epita.fr>
12798
12799 * data/c.m4 (b4_copyright, b4_sint_type, b4_uint_type, b4_token_define)
12800 (b4_token_enum, b4_token_defines): New, factored from...
12801 * data/lalr1.cc, data/yacc.c, glr.c: here.
12802
12803 2002-06-28 Akim Demaille <akim@epita.fr>
12804
12805 * data/yacc.c (yydestruct, yysymprint): Pacify GCC warnings for
12806 unused variables.
12807 * src/output.c (merger_output): static.
12808
12809 2002-06-28 Akim Demaille <akim@epita.fr>
12810
12811 * src/reader.h: s/grammer_current_rule_merge_set/grammar_.../.
12812 * src/conflicts.c (conflicts_total_count): `i' is unsigned, to
12813 pacify GCC.
12814 * src/output.c (save_row): Initialize all the variables to pacify GCC.
12815
12816 2002-06-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12817
12818 Accumulated changelog for new GLR parsing features.
12819
12820 * src/conflicts.c (count_total_conflicts): Change name to
12821 conflicts_total_count.
12822 * src/conflicts.h: Ditto.
12823 * src/output.c (token_actions): Use the new name.
12824 (output_conflicts): Change conflp => conflict_list_heads, and
12825 confl => conflict_list for better readability.
12826 * data/glr.c: Use the new names.
12827 * NEWS: Add self to GLR announcement.
12828
12829 * src/reader.c (free_merger_functions): Cleanup: XFREE->free.
12830
12831 * doc/bison.texinfo (GLR Parsers): Make corrections suggested by
12832 Akim Demaille.
12833
12834 * data/bison.glr: Change name to glr.c
12835 * data/glr.c: Renamed from bison.glr.
12836 * data/Makefile.am: Add glr.c
12837
12838 * src/getargs.c:
12839
12840 * src/symlist.h: Add dprec and merger fields to symbol_list_s.
12841 * src/symlist.c (symbol_list_new): Initialize dprec and merger fields.
12842
12843 Originally 2002-06-16 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12844
12845 * data/bison.glr: Be sure to restore the
12846 current #line when returning to the skeleton contents after having
12847 exposed the input file's #line.
12848
12849 Originally 2002-06-13 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12850
12851 * data/bison.glr: Bring up to date with changes to bison.simple.
12852
12853 Originally 2002-06-03 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12854
12855 * data/bison.glr: Correct definitions that use b4_prefix.
12856 Various reformatting.
12857 (GLRStack): Make yychar (in YYPURE case) and yytokenp as part of stack.
12858 (yyreportParseError, yyrecoverParseError, yyprocessOneStack): remove
12859 yytokenp argument; now part of stack.
12860 (yychar): Define to behave as documented.
12861 (yyclearin): Ditto.
12862
12863 Originally 2002-05-14 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
12864
12865 * src/reader.h: Add declaration for free_merger_functions.
12866
12867 * src/reader.c (merge_functions): New variable.
12868 (get_merge_function): New function.
12869 (free_merger_functions): New function.
12870 (readgram): Check for %prec that is not followed by a symbol.
12871 Handle %dprec and %merge declarations.
12872 (packgram): Initialize dprec and merger fields in rules array.
12873
12874 * src/output.c (conflict_tos, conflrow, conflict_table, conflict_list,
12875 conflict_list_cnt, conflict_list_free): New variables.
12876 (table_grow): Also grow conflict_table.
12877 (prepare_rules): Output dprec and merger tables.
12878 (conflict_row): New function.
12879 (action_row): Output conflict lists for GLR parser. Don't use
12880 default reduction in conflicted states for GLR parser so that there
12881 are spaces for the conflict lists.
12882 (save_row): Also save conflict information.
12883 (token_actions): Allocate conflict list.
12884 (merger_output): New function.
12885 (pack_vector): Pack conflict table, too.
12886 (output_conflicts): New function to output yyconflp and yyconfl.
12887 (output_check): Allocate conflict_tos.
12888 (output_actions): Output conflict tables, also.
12889 (output_skeleton): Output b4_mergers definition.
12890 (prepare): Output b4_max_rhs_length definition.
12891 Use 'bison.glr' as default skeleton for GLR parsers.
12892
12893 * src/gram.c (glr_parser): New flag.
12894 (grammar_free): Call free_merger_functions.
12895
12896 * src/conflicts.c (count_rr_conflicts): Augment to optionally count
12897 all pairs of conflicting reductions, rather than just all tokens
12898 causing conflicts. Needed to size conflict tables.
12899 (conflicts_output): Modify call to count_rr_conflicts for new
12900 interface.
12901 (conflicts_print): Ditto.
12902 (count_total_conflicts): New function.
12903
12904 * src/reader.h (merger_list): New type.
12905 (merge_functions): New variable.
12906
12907 * src/lex.h (tok_dprec, tok_merge): New token types.
12908
12909 * src/gram.h (rule_s): Add dprec and merger fields.
12910 (glr_parser): New flag.
12911
12912 * src/conflicts.h (count_total_conflicts): New function.
12913
12914 * src/options.c (option_table): Add %dprec, %merge, and %glr-parser.
12915
12916 * doc/bison.texinfo (Generalized LR Parsing): New section.
12917 (GLR Parsers): New section.
12918 (Language and Grammar): Mention GLR parsing.
12919 (Table of Symbols): Add %dprec, %glr-parser, %merge, GLR
12920 Correct typo ("tge" -> "the").
12921
12922 * data/bison.glr: New skeleton for GLR parsing.
12923
12924 * tests/cxx-gram.at: New tests for GLR parsing.
12925
12926 * tests/testsuite.at: Include cxx-gram.at.
12927
12928 * tests/Makefile.am: Add cxx-gram.at.
12929
12930 * src/parse-gram.y:
12931
12932 * src/scan-gram.l: Add %dprec, %glr-parser, %merge.
12933
12934 * src/parse-gram.y: Grammar for %dprec, %merge, %glr-parser.
12935
12936 2002-06-27 Akim Demaille <akim@epita.fr>
12937
12938 * src/options.h, src/options.c: Remove.
12939 * src/getargs.c (short_options, long_options): New.
12940
12941 2002-06-27 Akim Demaille <akim@epita.fr>
12942
12943 * data/bison.simple, data/bison.c++: Rename as...
12944 * data/yacc.c, data/lalr1.cc: these.
12945 * doc/bison.texinfo (Environment Variables): Remove.
12946
12947 2002-06-25 Raja R Harinath <harinath@cs.umn.edu>
12948
12949 * src/getargs.c (report_argmatch): Initialize strtok().
12950
12951 2002-06-20 Akim Demaille <akim@epita.fr>
12952
12953 * data/bison.simple (b4_symbol_actions): New, replaces...
12954 (b4_symbol_destructor, b4_symbol_printer): these.
12955 (yysymprint): Be sure to call YYPRINT only for tokens, and using
12956 user token numbers.
12957
12958 2002-06-20 Akim Demaille <akim@epita.fr>
12959
12960 * data/bison.simple (yydestructor): Rename as...
12961 (yydestruct): this.
12962
12963 2002-06-20 Akim Demaille <akim@epita.fr>
12964
12965 * src/symtab.h, src/symtab.c (symbol_type_set)
12966 (symbol_destructor_set, symbol_precedence_set): The location is
12967 the last argument.
12968 Adjust all callers.
12969
12970 2002-06-20 Akim Demaille <akim@epita.fr>
12971
12972 * src/parse-gram.y (YYPRINT, yyprint): Don't mess with the parser
12973 internals.
12974 * src/reader.h, src/reader.c (grammar_current_rule_prec_set):
12975 Takes a location.
12976 * src/symtab.h, src/symtab.c (symbol_class_set)
12977 (symbol_user_token_number_set): Likewise.
12978 Adjust all callers.
12979 Promote complain_at.
12980 * tests/input.at (Type Clashes): Adjust.
12981
12982 2002-06-20 Akim Demaille <akim@epita.fr>
12983
12984 * data/bison.simple (YYLEX): Fix the declaration when
12985 %pure-parser.
12986
12987 2002-06-20 Akim Demaille <akim@epita.fr>
12988
12989 * data/bison.simple (yysymprint): Don't print the token number,
12990 just its name.
12991 * tests/actions.at (Destructors): Rename as...
12992 (Printers and Destructors): this.
12993 Also exercise %printer.
12994
12995 2002-06-20 Akim Demaille <akim@epita.fr>
12996
12997 * data/bison.simple (YYDSYMPRINT): New.
12998 Use it to remove many of the #if YYDEBUG/if (yydebug).
12999
13000 2002-06-20 Akim Demaille <akim@epita.fr>
13001
13002 * src/symtab.h, src/symtab.c (symbol_t): printer and
13003 printer_location are new members.
13004 (symbol_printer_set): New.
13005 * src/parse-gram.y (PERCENT_PRINTER): New token.
13006 Handle its associated rule.
13007 * src/scan-gram.l: Adjust.
13008 (handle_destructor_at, handle_destructor_dollar): Rename as...
13009 (handle_symbol_code_at, handle_symbol_code_dollar): these.
13010 * src/output.c (symbol_printers_output): New.
13011 (output_skeleton): Call it.
13012 * data/bison.simple (yysymprint): New. Cannot be named yyprint
13013 since there are already many grammar files with a user `yyprint'.
13014 Replace the calls to YYPRINT to calls to yysymprint.
13015 * tests/calc.at: Adjust.
13016 * tests/torture.at (AT_DATA_STACK_TORTURE): Remove YYPRINT: it was
13017 taking advantage of parser very internal details (stack size!).
13018
13019 2002-06-20 Akim Demaille <akim@epita.fr>
13020
13021 * src/scan-gram.l: Complete the scanner with the missing patterns
13022 to pacify Flex.
13023 Use `quote' and `symbol_tag_get' where appropriate.
13024
13025 2002-06-19 Akim Demaille <akim@epita.fr>
13026
13027 * tests/actions.at (Destructors): Augment to test locations.
13028 * data/bison.simple (yydestructor): Pass it the current location
13029 if locations are enabled.
13030 Prototype only when __STDC__ or C++.
13031 Change the argument names to move into the yy name space: there is
13032 user code here.
13033
13034 2002-06-19 Akim Demaille <akim@epita.fr>
13035
13036 * data/bison.simple (b4_pure_if): New.
13037 Use it instead of #ifdef YYPURE.
13038
13039 2002-06-19 Akim Demaille <akim@epita.fr>
13040
13041 * data/bison.simple (b4_location_if): New.
13042 Use it instead of #ifdef YYLSP_NEEDED.
13043
13044 2002-06-19 Akim Demaille <akim@epita.fr>
13045
13046 Prepare @$ in %destructor, but currently don't bind it in the
13047 skeleton, as %location use is not cleaned up yet.
13048
13049 * src/scan-gram.l (handle_dollar, handle_destructor_at)
13050 (handle_action_at): New.
13051 (handle_at, handle_action_dollar, handle_destructor_dollar): Take
13052 a braced_code_t and a location as additional arguments.
13053 (handle_destructor_dollar): Instead of requiring `b4_eval', just
13054 unquote one when outputting `b4_dollar_dollar'.
13055 Adjust callers.
13056 * data/bison.simple (b4_eval): Remove.
13057 (b4_symbol_destructor): Adjust.
13058 * tests/input.at (Invalid @n): Adjust.
13059
13060 2002-06-19 Zack Weinberg <zack@codesourcery.com>
13061
13062 * doc/bison.texinfo: Document ability to have multiple
13063 prologue sections.
13064
13065 2002-06-18 Akim Demaille <akim@epita.fr>
13066
13067 * src/files.c (compute_base_names): When computing the output file
13068 names from the input file name, strip the directory part.
13069
13070 2002-06-18 Akim Demaille <akim@epita.fr>
13071
13072 * data/bison.simple.new: Comment changes.
13073 Reported by Andreas Schwab.
13074
13075 2002-06-18 Matt Kraai <kraai@alumni.cmu.edu>
13076
13077 * data/bison.simple (yyoverflowlab): #ifndef yyoverflow, so that
13078 there are no `label `yyoverflowlab' defined but not used' warnings
13079 when yyoverflow is defined.
13080
13081 2002-06-18 Akim Demaille <akim@epita.fr>
13082
13083 * src/symtab.h, src/symtab.c (symbol_t): destructor_location is a
13084 new member.
13085 (symbol_destructor_set): Adjust.
13086 * src/output.c (symbol_destructors_output): Output the destructor
13087 locations.
13088 Output the symbol name.
13089 * data/bison.simple (b4_symbol_destructor): Adjust.
13090
13091 2002-06-18 Cris Bailiff <c.bailiff@awayweb.com>
13092 and Akim Demaille <akim@epita.fr>
13093
13094 * data/bison.simple.new (yyerrlab1): Be sure to pop and destroy
13095 what's left on the stack when the error recovery hits EOF.
13096 * tests/actions.at (Destructors): Complete to exercise this case.
13097
13098 2002-06-17 Akim Demaille <akim@epita.fr>
13099
13100 * data/m4sugar/m4sugar.m4 (m4_map): Recognize when the list of
13101 arguments is really empty, not only equal to `[]'.
13102 * src/symtab.h, src/symtab.c (symbol_t): `destructor' is a new
13103 member.
13104 (symbol_destructor_set): New.
13105 * src/output.c (symbol_destructors_output): New.
13106 * src/reader.h (brace_code_t, current_braced_code): New.
13107 * src/scan-gram.l (BRACED_CODE): Use it to branch on...
13108 (handle_dollar): Rename as...
13109 (handle_action_dollar): this.
13110 (handle_destructor_dollar): New.
13111 * src/parse-gram.y (PERCENT_DESTRUCTOR): New.
13112 (grammar_declaration): Use it.
13113 * data/bison.simple (yystos): Is always defined.
13114 (yydestructor): New.
13115 * tests/actions.at (Destructors): New.
13116 * tests/calc.at (_AT_CHECK_CALC_ERROR): Don't rely on egrep.
13117
13118 2002-06-17 Akim Demaille <akim@epita.fr>
13119
13120 * src/symlist.h, src/symlist.c (symbol_list_length): New.
13121 * src/scan-gram.l (handle_dollar, handle_at): Compute the
13122 rule_length only when needed.
13123 * src/output.c (actions_output, token_definitions_output): Output
13124 the full M4 block.
13125 * src/symtab.c: Don't access directly to the symbol tag, use
13126 symbol_tag_get.
13127 * src/parse-gram.y: Use symbol_list_free.
13128
13129 2002-06-17 Akim Demaille <akim@epita.fr>
13130
13131 * src/reader.h, src/reader.c (symbol_list, symbol_list_new)
13132 (symbol_list_prepend, get_type_name): Move to...
13133 * src/symlist.h, src/symlist.c (symbol_list_t, symbol_list_new)
13134 (symbol_list_prepend, symbol_list_n_type_name_get): here.
13135 Adjust all callers.
13136 (symbol_list_free): New.
13137 * src/scan-gram.l (handle_dollar): Takes a location.
13138 * tests/input.at (Invalid $n): Adjust.
13139
13140 2002-06-17 Akim Demaille <akim@epita.fr>
13141
13142 * src/reader.h, src/reader.c (symbol_list_new): Export it.
13143 (symbol_list_prepend): New.
13144 * src/parse-gram.y (%union): `list' is a new member.
13145 (symbols.1): New, replaces...
13146 (terms_to_prec.1, nterms_to_type.1): these.
13147 * src/symtab.h, src/symtab.c (symbol_type_set, symbol_precedence_set)
13148 Take a location as additional argument.
13149 Adjust all callers.
13150
13151 2002-06-15 Akim Demaille <akim@epita.fr>
13152
13153 * src/parse-gram.y: Move %token in the declaration section so that
13154 we don't depend upon CVS Bison.
13155
13156 2002-06-15 Akim Demaille <akim@epita.fr>
13157
13158 * src/state.h, src/state.c (state_rule_lookaheads_print): New.
13159 * src/print.c (print_core): Use it.
13160
13161 2002-06-15 Akim Demaille <akim@epita.fr>
13162
13163 * src/conflicts.c (log_resolution): Accept the rule involved in
13164 the sr conflicts instead of the lookahead number that points to
13165 that rule.
13166 (flush_reduce): Accept the current lookahead vector as argument,
13167 instead of the index in LA.
13168 (resolve_sr_conflict): Accept the current number of lookahead
13169 bitset to consider for the STATE, instead of the index in LA.
13170 (set_conflicts): Adjust.
13171 * src/lalr.c, src/lalr.h, src/state.h: Comment changes.
13172
13173 2002-06-15 Akim Demaille <akim@epita.fr>
13174
13175 * src/state.h (state_t): Replace the `lookaheadsp' member, a
13176 short, with `lookaheads' (bitsetv), `lookaheads_rule' (rule_t**).
13177 Adjust all dependencies.
13178 * src/lalr.c (initialize_lookaheads): Split into...
13179 (states_lookaheads_count, states_lookaheads_initialize): these.
13180 (lalr): Adjust.
13181
13182 2002-06-15 Akim Demaille <akim@epita.fr>
13183
13184 * src/gram.h, src/gram.c (grammar_rules_partial_print): New, eved
13185 out of...
13186 (grammar_rules_print): here.
13187 * src/reduce.c (reduce_output): Use it.
13188 * tests/reduce.at (Useless Rules, Reduced Automaton)
13189 (Underivable Rules): Adjust.
13190
13191 2002-06-15 Akim Demaille <akim@epita.fr>
13192
13193 Copy BYacc's nice way to report the grammar.
13194
13195 * src/gram.h, src/gram.c (grammar_rhs_print, grammar_rules_print):
13196 New.
13197 Don't print the rules' location, it is confusing and useless.
13198 (rule_print): Use grammar_rhs_print.
13199 * src/print.c (print_grammar): Use grammar_rules_print.
13200
13201 2002-06-15 Akim Demaille <akim@epita.fr>
13202
13203 Complete and rationalize `useless thing' warnings.
13204
13205 * src/symtab.h, src/symtab.c (symbol_tag_get, symbol_tag_get_n)
13206 (symbol_tag_print): New.
13207 Use them everywhere in place of accessing directly the tag member.
13208 * src/gram.h, src/gram.c (rule_print): New.
13209 Use it where a rule used to be printed `by hand'.
13210 * src/reduce.c (nonterminals_reduce): Report the use nonterminals.
13211 (reduce_grammar_tables): Report the useless rules.
13212 (reduce_print): Useless things are a warning, not an error.
13213 Report it as such.
13214 * tests/reduce.at (Useless Nonterminals, Useless Rules):
13215 (Reduced Automaton, Underivable Rules): Adjust.
13216 * tests/regression.at (Web2c Report, Web2c Report): Adjust.
13217 * tests/conflicts.at (Unresolved SR Conflicts)
13218 (Solved SR Conflicts): Adjust.
13219
13220 2002-06-15 Akim Demaille <akim@epita.fr>
13221
13222 Let symbols have a location.
13223
13224 * src/symtab.h, src/symtab.c (symbol_t): Location is a new member.
13225 (getsym): Adjust.
13226 Adjust all callers.
13227 * src/complain.h, src/complain.c (complain_at, fatal_at, warn_at):
13228 Use location_t, not int.
13229 * src/symtab.c (symbol_check_defined): Take advantage of the
13230 location.
13231 * tests/regression.at (Invalid inputs): Adjust.
13232
13233 2002-06-15 Akim Demaille <akim@epita.fr>
13234
13235 * src/parse-gram.y (YYLLOC_DEFAULT, current_lhs_location): New.
13236 (input): Don't try to initialize yylloc here, do it in the
13237 scanner.
13238 * src/scan-gram.l (YY_USER_INIT): Initialize yylloc.
13239 * src/gram.h (rule_t): Change line and action_line into location
13240 and action_location, of location_t type.
13241 Adjust all dependencies.
13242 * src/location.h, src/location.c (empty_location): New.
13243 * src/reader.h, src/reader.c (grammar_start_symbol_set)
13244 (grammar_symbol_append, grammar_rule_begin, grammar_rule_end)
13245 (grammar_current_rule_symbol_append)
13246 (grammar_current_rule_action_append): Expect a location as argument.
13247 * src/reader.c (grammar_midrule_action): Adjust to attach an
13248 action's location as dummy symbol location.
13249 * src/symtab.h, src/symtab.c (startsymbol_location): New.
13250 * tests/regression.at (Web2c Report, Rule Line Numbers): Adjust
13251 the line numbers.
13252
13253 2002-06-14 Akim Demaille <akim@epita.fr>
13254
13255 Grammar declarations may be found in the grammar section.
13256
13257 * src/parse-gram.y (rules_or_grammar_declaration): New.
13258 (declarations): Each declaration may end with a semicolon, not
13259 just...
13260 (grammar_declaration): `"%union"'.
13261 (grammar): Branch to rules_or_grammar_declaration.
13262
13263 2002-06-14 Akim Demaille <akim@epita.fr>
13264
13265 * src/main.c (main): Invoke scanner_free.
13266
13267 2002-06-14 Akim Demaille <akim@epita.fr>
13268
13269 * src/output.c (m4_invoke): Extracted from...
13270 (output_skeleton): here.
13271 Free tempfile.
13272
13273 2002-06-14 Akim Demaille <akim@epita.fr>
13274
13275 * src/parse-gram.y (directives, directive, gram)
13276 (grammar_directives, precedence_directives, precedence_directive):
13277 Rename as...
13278 (declarations, declaration, grammar, grammar_declaration)
13279 (precedence_declaration, precedence_declarator): these.
13280 (symbol_declaration): New.
13281
13282 2002-06-14 Akim Demaille <akim@epita.fr>
13283
13284 * src/files.c (action_obstack): Remove, unused.
13285 (output_obstack): Remove it, and all its dependencies, as it is no
13286 longer needed.
13287 * src/reader.c (epilogue_set): Build the epilogue in the
13288 muscle_obstack.
13289 * src/output.h, src/output.c (muscle_obstack): Move to...
13290 * src/muscle_tab.h, src/muscle_tab.h: here.
13291 (muscle_init): Initialize muscle_obstack.
13292 (muscle_free): New.
13293 * src/main.c (main): Call it.
13294
13295 2002-06-14 Akim Demaille <akim@epita.fr>
13296
13297 * src/location.h: New, extracted from...
13298 * src/reader.h: here.
13299 * src/Makefile.am (noinst_HEADERS): Merge into
13300 (bison_SOURCES): this.
13301 Add location.h.
13302 * src/parse-gram.y: Use location_t instead of Bison's.
13303 * src/reader.h, src/reader.c (prologue_augment, epilogue_set):
13304 Use location_t instead of ints.
13305
13306 2002-06-14 Akim Demaille <akim@epita.fr>
13307
13308 * data/bison.simple, data/bison.c++: Be sure to restore the
13309 current #line when returning to the skeleton contents after having
13310 exposed the input file's #line.
13311
13312 2002-06-12 Akim Demaille <akim@epita.fr>
13313
13314 * src/scan-gram.l (SC_BRACED_CODE): Don't use `<.*>', it is too
13315 eager.
13316 * tests/actions.at (Exotic Dollars): New.
13317
13318 2002-06-12 Akim Demaille <akim@epita.fr>
13319
13320 * src/scan-gram.l (SC_PROLOGUE): Don't eat characters amongst
13321 ['"/] too eagerly.
13322 * tests/input.at (Torturing the Scanner): New.
13323
13324 2002-06-11 Akim Demaille <akim@epita.fr>
13325
13326 * src/scan-gram.l (YY_OBS_INIT): Remove, replace with...
13327 [SC_COMMENT,SC_STRING,SC_CHARACTER,SC_BRACED_CODE,SC_PROLOGUE]
13328 [SC_EPILOGUE]: Output the quadrigraphs only when not in a comment.
13329 * src/reader.h, src/scan-gram.l (scanner_initialize): this.
13330 * src/reader.c (reader): Use it.
13331
13332 2002-06-11 Akim Demaille <akim@epita.fr>
13333
13334 * src/scan-gram.l (YY_OBS_FINISH): Don't set yylval.
13335 Adjust all callers.
13336 (scanner_last_string_free): New.
13337
13338 2002-06-11 Akim Demaille <akim@epita.fr>
13339
13340 * src/scan-gram.l (YY_INIT, YY_GROW, YY_FINISH): Rename as...
13341 (YY_OBS_INIT, YY_OBS_GROW, YY_OBS_FINISH): these.
13342 (last_string, YY_OBS_FREE): New.
13343 Use them when returning an ID.
13344
13345 2002-06-11 Akim Demaille <akim@epita.fr>
13346
13347 Have Bison grammars parsed by a Bison grammar.
13348
13349 * src/reader.c, src/reader.h (prologue_augment): New.
13350 * src/reader.c (copy_definition): Remove.
13351
13352 * src/reader.h, src/reader.c (gram_start_symbol_set, prologue_augment)
13353 (grammar_symbol_append, grammar_rule_begin, grammar_midrule_action)
13354 (grammar_current_rule_prec_set, grammar_current_rule_check)
13355 (grammar_current_rule_symbol_append)
13356 (grammar_current_rule_action_append): Export.
13357 * src/parse-gram.y (symbol_list_new, symbol_list_symbol_append_
13358 (symbol_list_action_append): Remove.
13359 Hook the routines from reader.
13360 * src/scan-gram.l: In INITIAL, characters and strings are tokens.
13361 * src/system.h (ATTRIBUTE_NORETURN, ATTRIBUTE_UNUSED): Now.
13362
13363 * src/reader.c (read_declarations): Remove, unused.
13364
13365 * src/parse-gram.y: Handle the epilogue.
13366 * src/reader.h, src/reader.c (gram_start_symbol_set): Rename as...
13367 (grammar_start_symbol_set): this.
13368 * src/scan-gram.l: Be sure to ``use'' yycontrol to keep GCC quiet.
13369 * src/reader.c (readgram): Remove, unused.
13370 (reader): Adjust to insert eoftoken and axiom where appropriate.
13371
13372 * src/reader.c (copy_dollar): Replace with...
13373 * src/scan-gram.h (handle_dollar): this.
13374 * src/parse-gram.y: Remove `%thong'.
13375
13376 * src/reader.c (copy_at): Replace with...
13377 * src/scan-gram.h (handle_at): this.
13378
13379 * src/complain.h, src/complain.c (warn_at, complain_at, fatal_at):
13380 New.
13381
13382 * src/scan-gram.l (YY_LINES): Keep lineno synchronized for the
13383 time being.
13384
13385 * src/reader.h, src/reader.c (grammar_rule_end): New.
13386
13387 * src/parse.y (current_type, current_class): New.
13388 Implement `%nterm', `%token' support.
13389 Merge `%term' into `%token'.
13390 (string_as_id): New.
13391 * src/symtab.h, src/symtab.c (symbol_make_alias): Don't pass the
13392 type name.
13393
13394 * src/parse-gram.y: Be sure to handle properly the beginning of
13395 rules.
13396
13397 * src/parse-gram.y: Handle %type.
13398 * src/reader.c (grammar_rule_end): Call grammar_current_rule_check.
13399
13400 * src/parse-gram.y: More directives support.
13401 * src/options.c: No longer handle source directives.
13402
13403 * src/parse-gram.y: Fix %output.
13404
13405 * src/parse-gram.y: Handle %union.
13406 Use the prologue locations.
13407 * src/reader.c (parse_union_decl): Remove.
13408
13409 * src/reader.h, src/reader.c (epilogue_set): New.
13410 * src/parse-gram.y: Use it.
13411
13412 * data/bison.simple, data/bison.c++: b4_stype is now either not
13413 defined, then default to int, or to the contents of %union,
13414 without `union' itself.
13415 Adjust.
13416 * src/muscle_tab.c (muscle_init): Don't predefine `stype'.
13417
13418 * src/output.c (actions_output): Don't output braces, as they are
13419 already handled by the scanner.
13420
13421 * src/scan-gram.l (SC_CHARACTER): Set the user_token_number of
13422 characters to themselves.
13423
13424 * tests/reduce.at (Reduced Automaton): End the grammars with %% so
13425 that the epilogue has a proper #line.
13426
13427 * src/parse-gram.y: Handle precedence/associativity.
13428
13429 * src/symtab.c (symbol_precedence_set): Requires the symbol to be
13430 a terminal.
13431 * src/scan-gram.l (SC_BRACED_CODE): Catch strings and characters.
13432 * tests/calc.at: Do not use `%token "foo"' as it makes not sense
13433 at all to define terminals that cannot be emitted.
13434
13435 * src/scan-gram.l: Escape M4 characters.
13436
13437 * src/scan-gram.l: Working properly with escapes in user
13438 strings/characters.
13439
13440 * tests/torture.at (AT_DATA_TRIANGULAR_GRAMMAR)
13441 (AT_DATA_HORIZONTAL_GRAMMAR): Respect the `%token ID NUM STRING'
13442 grammar.
13443 Use more modest sizes, as for the time being the parser does not
13444 release memory, and therefore the process swallows a huge amount
13445 of memory.
13446
13447 * tests/torture.at (AT_DATA_LOOKAHEADS_GRAMMAR): Adjust to the
13448 stricter %token grammar.
13449
13450 * src/symtab.h (associativity): Add `undef_assoc'.
13451 (symbol_precedence_set): Do nothing when passed an undef_assoc.
13452 * src/symtab.c (symbol_check_alias_consistence): Adjust.
13453
13454 * tests/regression.at (Invalid %directive): Remove, as it is now
13455 meaningless.
13456 (Invalid inputs): Adjust to the new error messages.
13457 (Token definitions): The new grammar doesn't allow too many
13458 eccentricities.
13459
13460 * src/lex.h, src/lex.c: Remove.
13461 * src/reader.c (lastprec, skip_to_char, read_signed_integer)
13462 (copy_character, copy_string2, copy_string, copy_identifier)
13463 (copy_comment, parse_token_decl, parse_type_decl, parse_assoc_decl)
13464 (parse_muscle_decl, parse_dquoted_param, parse_skel_decl)
13465 (parse_action): Remove.
13466 * po/POTFILES.in: Adjust.
13467
13468 2002-06-11 Akim Demaille <akim@epita.fr>
13469
13470 * src/reader.c (parse_action): Don't store directly into the
13471 rule's action member: return the action as a string.
13472 Don't require `rule_length' as an argument: compute it.
13473 (grammar_current_rule_symbol_append)
13474 (grammar_current_rule_action_append): New, eved out from
13475 (readgram): here.
13476 Remove `action_flag', `rulelength', unused now.
13477
13478 2002-06-11 Akim Demaille <akim@epita.fr>
13479
13480 * src/reader.c (grammar_current_rule_prec_set).
13481 (grammar_current_rule_check): New, eved out from...
13482 (readgram): here.
13483 Remove `xaction', `first_rhs': useless.
13484 * tests/input.at (Type clashes): New.
13485 * tests/existing.at (GNU Cim Grammar): Adjust.
13486
13487 2002-06-11 Akim Demaille <akim@epita.fr>
13488
13489 * src/reader.c (grammar_midrule_action): New, Eved out from
13490 (readgram): here.
13491
13492 2002-06-11 Akim Demaille <akim@epita.fr>
13493
13494 * src/reader.c (grammar_rule_begin, previous_rule, current_rule):
13495 New.
13496 (readgram): Use them as replacement of inlined code, crule and
13497 crule1.
13498
13499 2002-06-11 Akim Demaille <akim@epita.fr>
13500
13501 * src/reader.c (grammar_end, grammar_symbol_append): New.
13502 (readgram): Use them.
13503 Make the use of `p' as local as possible.
13504
13505 2002-06-10 Akim Demaille <akim@epita.fr>
13506
13507 GCJ's parser requires the tokens to be defined before the prologue.
13508
13509 * data/bison.simple: Output the token definition before the user's
13510 prologue.
13511 * tests/regression.at (Braces parsing, Duplicate string)
13512 (Mixing %token styles): Check the output from bison.
13513 (Early token definitions): New.
13514
13515 2002-06-10 Akim Demaille <akim@epita.fr>
13516
13517 * src/symtab.c (symbol_user_token_number_set): Don't complain when
13518 assigning twice the same user number to a token, so that we can
13519 use it in...
13520 * src/lex.c (lex): here.
13521 Also use `symbol_class_set' instead of hand written code.
13522 * src/reader.c (parse_assoc_decl): Likewise.
13523
13524 2002-06-10 Akim Demaille <akim@epita.fr>
13525
13526 * src/symtab.c, src/symtab.c (symbol_class_set)
13527 (symbol_user_token_number_set): New.
13528 * src/reader.c (parse_token_decl): Use them.
13529 Use a switch instead of ifs.
13530 Use a single argument.
13531
13532 2002-06-10 Akim Demaille <akim@epita.fr>
13533
13534 Remove `%thong' support as it is undocumented, unused, duplicates
13535 `%token's job, and creates useless e-mail traffic with people who
13536 want to know what it is, why it is undocumented, unused, and
13537 duplicates `%token's job.
13538
13539 * src/reader.c (parse_thong_decl): Remove.
13540 * src/options.c (option_table): Remove "thong".
13541 * src/lex.h (tok_thong): Remove.
13542
13543 2002-06-10 Akim Demaille <akim@epita.fr>
13544
13545 * src/symtab.c, src/symtab.c (symbol_type_set)
13546 (symbol_precedence_set): New.
13547 * src/reader.c (parse_type_decl, parse_assoc_decl): Use them.
13548 (value_components_used): Remove, unused.
13549
13550 2002-06-09 Akim Demaille <akim@epita.fr>
13551
13552 Move symbols handling code out of the reader.
13553
13554 * src/reader.h, src/reader.c (errtoken, undeftoken, eoftoken)
13555 (axiom): Move to...
13556 * src/symtab.h, src/symtab.c: here.
13557
13558 * src/gram.c (start_symbol): Remove: use startsymbol->number.
13559 * src/reader.c (startval): Rename as...
13560 * src/symtab.h, src/symtab.c (startsymbol): this.
13561 * src/reader.c: Adjust.
13562
13563 * src/reader.c (symbol_check_defined, symbol_make_alias)
13564 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
13565 (token_translations_init)
13566 Move to...
13567 * src/symtab.c: here.
13568 * src/reader.c (packsymbols): Move to...
13569 * src/symtab.h, src/symtab.c (symbols_pack): here.
13570 * src/symtab.h, src/symtab.c (symbol_make_alias): Takes SYMVAL as
13571 argument.
13572
13573 2002-06-03 Akim Demaille <akim@epita.fr>
13574
13575 * src/muscle_tab.c (muscle_insert, muscle_find): Declarations,
13576 then statements.
13577
13578 2002-06-03 Akim Demaille <akim@epita.fr>
13579
13580 * src/muscle_tab.c (muscle_find, muscle_insert): Don't initialize
13581 structs with non literals.
13582 * src/scan-skel.l: never-interactive.
13583 * src/conflicts.c (enum conflict_resolution_e): No trailing
13584 comma.
13585 * src/getargs.c (usage): Split long literal strings.
13586 Reported by Hans Aberg.
13587
13588 2002-05-28 Akim Demaille <akim@epita.fr>
13589
13590 * data/bison.c++: Use C++ ostreams.
13591 (cdebug_): New member.
13592
13593 2002-05-28 Akim Demaille <akim@epita.fr>
13594
13595 * src/output.c (output_skeleton): Be sure to allocate enough room
13596 for `/' _and_ for `\0' in full_skeleton.
13597
13598 2002-05-28 Akim Demaille <akim@epita.fr>
13599
13600 * data/bison.c++: Catch up with bison.simple:
13601 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13602 and Paul Eggert <eggert@twinsun.com>: `error' handing.
13603 2002-05-26 Akim Demaille <akim@epita.fr>: stos_, token_number_,
13604 and popping traces.
13605
13606 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13607
13608 * src/output.c (output_skeleton): Put an explicit path in front of
13609 the skeleton file name, rather than relying on the -I directory,
13610 to partially alleviate effects of having a skeleton file lying around
13611 in the current directory.
13612
13613 2002-05-27 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13614
13615 * src/conflicts.c (log_resolution): Correct typo:
13616 obstack_printf should be obstack_fgrow1.
13617
13618 2002-05-26 Akim Demaille <akim@epita.fr>
13619
13620 * src/state.h (state_t): `solved_conflicts' is a new member.
13621 * src/LR0.c (new_state): Set it to 0.
13622 * src/conflicts.h, src/conflicts.c (print_conflicts)
13623 (free_conflicts, solve_conflicts): Rename as...
13624 (conflicts_print, conflicts_free, conflicts_solve): these.
13625 Adjust callers.
13626 * src/conflicts.c (enum conflict_resolution_e)
13627 (solved_conflicts_obstack): New, used by...
13628 (log_resolution): this.
13629 Adjust to attach the conflict resolution to each state.
13630 Complete the description with the precedence/associativity
13631 information.
13632 (resolve_sr_conflict): Adjust.
13633 * src/print.c (print_state): Output its solved_conflicts.
13634 * tests/conflicts.at (Unresolved SR Conflicts)
13635 (Solved SR Conflicts): Exercise --report=all.
13636
13637 2002-05-26 Akim Demaille <akim@epita.fr>
13638
13639 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
13640 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
13641 * src/reader.c, src/reduce.c, src/state.h, src/symtab.h
13642 (token_number_t, item_number_as_token_number)
13643 (token_number_as_item_number, muscle_insert_token_number_table):
13644 Rename as...
13645 (symbol_number_t, item_number_as_symbol_number)
13646 (symbol_number_as_item_number, muscle_insert_symbol_number_table):
13647 these, since it is more appropriate.
13648
13649 2002-05-26 Akim Demaille <akim@epita.fr>
13650
13651 * tests/calc.at (AT_CHECK_CALC): Adjust: there are now additional
13652 `Error:' lines.
13653 * data/bison.simple (yystos) [YYDEBUG]: New.
13654 (yyparse) [YYDEBUG]: Display the symbols which are popped during
13655 error recovery.
13656 * tests/regression.at (Web2c Actions): Adjust: yystos is output now.
13657
13658 2002-05-25 Akim Demaille <akim@epita.fr>
13659
13660 * doc/bison.texinfo (Debugging): Split into...
13661 (Tracing): this new section, its former contents, and...
13662 (Understanding): this new section.
13663 * src/getargs.h, src/getargs.c (verbose_flag): Remove, replaced
13664 by...
13665 (report_flag): this.
13666 Adjust all dependencies.
13667 (report_args, report_types, report_argmatch): New.
13668 (usage, getargs): Report/support -r, --report.
13669 * src/options.h
13670 (struct option_table_struct): Rename as..,
13671 (struct option_table_s): this.
13672 Rename the `set_flag' member to `flag' to match with getopt_long's
13673 struct.
13674 * src/options.c (option_table): Split verbose into an entry for
13675 %verbose, and another for --verbose.
13676 Support --report/-r, so remove -r from the obsolete --raw.
13677 * src/print.c: Attach full item sets and lookaheads reports to
13678 report_flag instead of trace_flag.
13679 * lib/argmatch.h, lib/argmatch.c: New, from Fileutils 4.1.
13680
13681 2002-05-24 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13682 and Paul Eggert <eggert@twinsun.com>
13683
13684 * data/bison.simple (yyparse): Correct error handling to conform to
13685 POSIX and yacc. Specifically, after syntax error is discovered,
13686 do not reduce further before shifting the error token.
13687 Clean up the code a bit by removing the labels yyerrdefault,
13688 yyerrhandle, yyerrpop.
13689 * NEWS: Document the above.
13690
13691 2002-05-20 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13692
13693 * data/bison.simple (yyr1): Don't use yy_token_number_type as element
13694 type; it isn't always big enough, since it doesn't necessarily
13695 include non-terminals.
13696 (yytranslate): Expand definition of yy_token_number_type, so that
13697 the latter can be removed.
13698 (yy_token_number_type): Remove, only one use.
13699 * data/bison.c++ (r1_): Parallel change to yyr1 in bison.simple---
13700 don't use TokenNumberType as element type.
13701
13702 * tests/regression.at: Modify expected output to agree with change
13703 to yyr1 and yytranslate.
13704
13705 2002-05-13 Florian Krohm <florian@edamail.fishkill.ibm.com>
13706
13707 * src/reader.c (parse_action): Use copy_character instead of
13708 obstack_1grow.
13709
13710 2002-05-13 Akim Demaille <akim@epita.fr>
13711
13712 * tests/regression.at (Token definitions): Prototype yylex and
13713 yyerror.
13714
13715 2002-05-12 Paul Hilfinger <Hilfinger@CS.Berkeley.EDU>
13716
13717 * src/scan-skel.l: Correct off-by-one error in handling of __oline__.
13718 * data/bison.simple (b4_sint_type, b4_uint_type): Correct to reflect
13719 32-bit arithmetic.
13720 * data/bison.c++ (b4_sint_type, b4_uint_type): Ditto.
13721
13722 2002-05-07 Akim Demaille <akim@epita.fr>
13723
13724 * tests/synclines.at: Be sure to prototype yylex and yyerror to
13725 avoid GCC warnings.
13726
13727 2002-05-07 Akim Demaille <akim@epita.fr>
13728
13729 Kill GCC warnings.
13730
13731 * src/reduce.c (nonterminals_reduce): Don't loop over RITEM: loop
13732 over the RHS of each rule.
13733 * src/gram.h, src/gram.c (nritems): Is `unsigned int', not int.
13734 * src/state.h (state_t): Member `nitems' is unsigned short.
13735 * src/LR0.c (get_state): Adjust.
13736 * src/reader.c (packgram): Likewise.
13737 * src/output.c (GENERATE_MUSCLE_INSERT_TABLE): `max' is of type
13738 `Type'.
13739 (muscle_insert_int_table): Remove, unused.
13740 (prepare_rules): Remove `max'.
13741
13742 2002-05-06 Akim Demaille <akim@epita.fr>
13743
13744 * src/closure.c (print_firsts): Display of the symbol tags.
13745 (bitmatrix_print): Move to...
13746 * lib/bitsetv-print.h, lib/bitsetv-print.c (bitsetv_matrix_dump):
13747 here.
13748 * tests/sets.at (Nullable, Broken Closure, Firsts): Adjust.
13749
13750 2002-05-06 Akim Demaille <akim@epita.fr>
13751
13752 * src/muscle_tab.c (muscle_m4_output): Must return TRUE for
13753 hash_do_for_each.
13754
13755 2002-05-06 Akim Demaille <akim@epita.fr>
13756
13757 * src/LR0.c (new_state, get_state): Instead of using the global
13758 `kernel_size' and `kernel_base', have two new arguments:
13759 `core_size' and `core'.
13760 Adjust callers.
13761
13762 2002-05-06 Akim Demaille <akim@epita.fr>
13763
13764 * src/reader.c (packgram): No longer end `ritem' with a 0
13765 sentinel: it is not used.
13766
13767 2002-05-05 Akim Demaille <akim@epita.fr>
13768
13769 New experimental feature: display the lookaheads in the report and
13770 graph.
13771
13772 * src/print (print_core): When --trace-flag, display the rules
13773 lookaheads.
13774 * src/print_graph.c (print_core): Likewise.
13775 Swap the arguments.
13776 Adjust caller.
13777
13778 2002-05-05 Akim Demaille <akim@epita.fr>
13779
13780 * tests/torture.at (Many lookaheads): New test.
13781
13782 2002-05-05 Akim Demaille <akim@epita.fr>
13783
13784 * src/output.c (GENERATE_OUTPUT_TABLE): Replace with...
13785 (GENERATE_MUSCLE_INSERT_TABLE): this.
13786 (output_int_table, output_unsigned_int_table, output_short_table)
13787 (output_token_number_table, output_item_number_table): Replace with...
13788 (muscle_insert_int_table, muscle_insert_unsigned_int_table)
13789 (muscle_insert_short_table, muscle_insert_token_number_table)
13790 (muscle_insert_item_number_table): these.
13791 Adjust all callers.
13792 (prepare_tokens): Don't free `translations', since...
13793 * src/reader.h, src/reader.c (grammar_free): do it.
13794 Move to...
13795 * src/gram.h, src/gram.c (grammar_free): here.
13796 * data/bison.simple, data/bison.c++: b4_token_number_max is now
13797 b4_translate_max.
13798
13799 2002-05-05 Akim Demaille <akim@epita.fr>
13800
13801 * src/output.c (output_unsigned_int_table): New.
13802 (prepare_rules): `i' is unsigned.
13803 `prhs', `rline', `r2' are unsigned int.
13804 Rename muscle `rhs_number_max' as `rhs_max'.
13805 Output muscles `prhs_max', `rline_max', and `r2_max'.
13806 Free rline and r1.
13807 * data/bison.simple, data/bison.c++: Adjust to use these muscles
13808 to compute types instead of constant types.
13809 * tests/regression.at (Web2c Actions): Adjust.
13810
13811 2002-05-04 Akim Demaille <akim@epita.fr>
13812
13813 * src/symtab.h (SALIAS, SUNDEF): Rename as...
13814 (USER_NUMBER_ALIAS, USER_NUMBER_UNDEFINED): these.
13815 Adjust dependencies.
13816 * src/output.c (token_definitions_output): Be sure not to output a
13817 `#define 'a'' when fed with `%token 'a' "a"'.
13818 * tests/regression.at (Token definitions): New.
13819
13820 2002-05-03 Paul Eggert <eggert@twinsun.com>
13821
13822 * data/bison.simple (b4_token_defines): Also define YYTOKENTYPE
13823 for K&R C.
13824
13825 2002-05-03 gettextize <bug-gnu-gettext@gnu.org>
13826
13827 * Makefile.am (SUBDIRS): Remove intl.
13828 (EXTRA_DIST): Add config/config.rpath.
13829
13830 2002-05-03 Akim Demaille <akim@epita.fr>
13831
13832 * data/bison.simple (m4_if): Don't output empty enums.
13833 And actually, output valid enum definitions :(.
13834
13835 2002-05-03 Akim Demaille <akim@epita.fr>
13836
13837 * configure.bat: Remove, completely obsolete.
13838 * Makefile.am (EXTRA_DIST): Adjust.
13839 Don't distribute config.rpath...
13840 * config/Makefile.am (EXTRA_DIST): Do it.
13841
13842 2002-05-03 Akim Demaille <akim@epita.fr>
13843
13844 * configure.in (GETTEXT_VERSION): New.
13845 Suggested by Bruno Haible for the forthcoming Gettext 0.10.3.
13846
13847 2002-05-03 Akim Demaille <akim@epita.fr>
13848
13849 * data/bison.simple (b4_token_enum): New.
13850 (b4_token_defines): Use it to output tokens both as #define and
13851 enums.
13852 Suggested by Paul Eggert.
13853 * src/output.c (token_definitions_output): Don't output spurious
13854 white spaces.
13855
13856 2002-05-03 Akim Demaille <akim@epita.fr>
13857
13858 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
13859
13860 2002-05-02 Robert Anisko <robert@lrde.epita.fr>
13861
13862 * data/bison.c++: Adapt expansion of $s and @s to the C++ parser.
13863 Update the stack class, give a try to deque as the default container.
13864
13865 2002-05-02 Akim Demaille <akim@epita.fr>
13866
13867 * data/bison.simple (yyparse): Do not implement @$ = @1.
13868 (YYLLOC_DEFAULT): Adjust to do it.
13869 * doc/bison.texinfo (Location Default Action): Fix.
13870
13871 2002-05-02 Akim Demaille <akim@epita.fr>
13872
13873 * src/reader.c (parse_braces): Merge into...
13874 (parse_action): this.
13875
13876 2002-05-02 Akim Demaille <akim@epita.fr>
13877
13878 * configure.in (ALL_LINGUAS): Remove.
13879 * po/LINGUAS, hr.po: New.
13880
13881 2002-05-02 Akim Demaille <akim@epita.fr>
13882
13883 Remove the so called hairy (semantic) parsers.
13884
13885 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove.
13886 * src/gram.h, src/gram.c (semantic_parser): Remove.
13887 (rule_t): Remove the guard and guard_line members.
13888 * src/lex.h (token_t): remove tok_guard.
13889 * src/options.c (option_table): Remove %guard and %semantic_parser
13890 support.
13891 * src/output.c, src/output.h (guards_output): Remove.
13892 (prepare): Adjust.
13893 (token_definitions_output): Don't output the `T'
13894 tokens (???).
13895 (output_skeleton): Don't output the guards.
13896 * src/files.c, src/files.c (attrsfile): Remove.
13897 * src/reader.c (symbol_list): Remove the guard and guard_line
13898 members.
13899 Adjust dependencies.
13900 (parse_guard): Remove.
13901 * data/bison.hairy: Remove.
13902 * doc/bison.texinfo (Environment Variables): Remove occurrences of
13903 BISON_HAIRY.
13904
13905 2002-05-02 Akim Demaille <akim@epita.fr>
13906
13907 * src/reader.c (copy_at, copy_dollarm parse_braces, parse_action)
13908 (parse_guard): Rename the formal argument `stack_offset' as
13909 `rule_length', which is more readable.
13910 Adjust callers.
13911 (copy_at, copy_dollar): Instead of outputting the hard coded
13912 values of $$, $n and so forth, output invocation to b4_lhs_value,
13913 b4_lhs_location, b4_rhs_value, and b4_rhs_location.
13914 Note: this patch partially drops `semantic-parser' support: it
13915 always does `rule_length - n', where semantic parsers ought to
13916 always use `-n'.
13917 * data/bison.simple, data/bison.c++ (b4_lhs_value)
13918 (b4_lhs_location, b4_rhs_value, and b4_rhs_location: New.
13919
13920 2002-05-02 Akim Demaille <akim@epita.fr>
13921
13922 * configure.in (AC_INIT): Bump to 1.49b.
13923 (AM_INIT_AUTOMAKE): Short invocation.
13924
13925 2002-05-02 Akim Demaille <akim@epita.fr>
13926
13927 Version 1.49a.
13928
13929 2002-05-01 Akim Demaille <akim@epita.fr>
13930
13931 * src/skeleton.h: Remove.
13932
13933 2002-05-01 Akim Demaille <akim@epita.fr>
13934
13935 * src/skeleton.h: Fix the #endif.
13936 Reported by Magnus Fromreide.
13937
13938 2002-04-26 Paul Eggert <eggert@twinsun.com>
13939
13940 * data/bison.simple (YYSTYPE_IS_TRIVIAL, YYLTYPE_IS_TRIVIAL):
13941 Define if we define YYSTYPE and YYLTYPE, respectively.
13942 (YYCOPY): Fix [] quoting problem in the non-GCC case.
13943
13944 2002-04-25 Robert Anisko <robert@lrde.epita.fr>
13945
13946 * src/scan-skel.l: Postprocess quadrigraphs.
13947
13948 * src/reader.c (copy_character): New function, used to output
13949 single characters while replacing `[' and `]' with quadrigraphs, to
13950 avoid troubles with M4 quotes.
13951 (copy_comment): Output characters with copy_character.
13952 (read_additionnal_code): Likewise.
13953 (copy_string2): Likewise.
13954 (copy_definition): Likewise.
13955
13956 * tests/calc.at: Exercise M4 quoting.
13957
13958 2002-04-25 Akim Demaille <akim@epita.fr>
13959
13960 * tests/sets.at (AT_EXTRACT_SETS): Sed portability issue: no space
13961 between `!' and the command.
13962 Reported by Paul Eggert.
13963
13964 2002-04-24 Robert Anisko <robert@lrde.epita.fr>
13965
13966 * tests/calc.at: Exercise prologue splitting.
13967
13968 * data/bison.simple, data/bison.c++: Use `b4_pre_prologue' and
13969 `b4_post_prologue' instead of `b4_prologue'.
13970
13971 * src/output.c (prepare): Add the `pre_prologue' and `post_prologue'
13972 muscles.
13973 (output): Free pre_prologue_obstack and post_prologue_obstack.
13974 * src/files.h, src/files.c (attrs_obstack): Remove.
13975 (pre_prologue_obstack, post_prologue_obstack): New.
13976 * src/reader.c (copy_definition): Add a parameter to specify the
13977 obstack to fill, instead of using attrs_obstack unconditionally.
13978 (read_declarations): Pass pre_prologue_obstack to copy_definition if
13979 `%union' has not yet been seen, pass post_prologue_obstack otherwise.
13980
13981 2002-04-23 Paul Eggert <eggert@twinsun.com>
13982
13983 * data/bison.simple: Remove unnecessary commentary and white
13984 space differences from 1_29-branch.
13985 Depend on YYERROR_VERBOSE, not defined (YYERROR_VERBOSE).
13986
13987 (union yyalloc, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYCOPY,
13988 YYSTACK_RELOCATE): Do not define if yyoverflow is defined, or
13989 if this is a C++ parser and YYSTYPE or YYLTYPE has nontrivial
13990 constructors or destructors.
13991
13992 (yyparse) [! defined YYSTACK_RELOCATE]: Do not relocate the stack.
13993
13994 2002-04-23 Akim Demaille <akim@epita.fr>
13995
13996 * tests/sets.at (AT_EXTRACT_SETS): Don't use 8 char long sed labels.
13997 * tests/synclines.at (AT_TEST_SYNCLINE): Be robust to GCC's
13998 location with columns.
13999 * tests/conflicts.at (%nonassoc and eof): Don't use `error.h'.
14000 All reported by Paul Eggert.
14001
14002 2002-04-22 Akim Demaille <akim@epita.fr>
14003
14004 * src/reduce.c (dump_grammar): Move to...
14005 * src/gram.h, src/gram.c (grammar_dump): here.
14006 Be sure to separate long item numbers.
14007 Don't read the members of a rule's prec if its nil.
14008
14009 2002-04-22 Akim Demaille <akim@epita.fr>
14010
14011 * src/output.c (table_size, table_grow): New.
14012 (MAXTABLE): Remove, replace uses with table_size.
14013 (pack_vector): Instead of dying when the table is too big, grow it.
14014
14015 2002-04-22 Akim Demaille <akim@epita.fr>
14016
14017 * data/bison.simple (yyr1): Its type is that of a token number.
14018 * data/bison.c++ (r1_): Likewise.
14019 * tests/regression.at (Web2c Actions): Adjust.
14020
14021 2002-04-22 Akim Demaille <akim@epita.fr>
14022
14023 * src/reader.c (token_translations_init): 256 is now the default
14024 value for the error token, i.e., it will be assigned another
14025 number if the user assigned 256 to one of her tokens.
14026 (reader): Don't force 256 to error.
14027 * doc/bison.texinfo (Symbols): Adjust.
14028 * tests/torture.at (AT_DATA_HORIZONTAL_GRAMMAR)
14029 (AT_DATA_TRIANGULAR_GRAMMAR): Number the tokens as 1, 2, 3
14030 etc. instead of 10, 20, 30 (which was used to `jump' over error
14031 (256) and undefined (2)).
14032
14033 2002-04-22 Akim Demaille <akim@epita.fr>
14034
14035 Propagate more token_number_t.
14036
14037 * src/gram.h (token_number_as_item_number)
14038 (item_number_as_token_number): New.
14039 * src/output.c (GENERATE_OUTPUT_TABLE): New.
14040 Use it to create output_item_number_table and
14041 output_token_number_table.
14042 * src/LR0.c, src/derives.c, src/gram.c, src/gram.h, src/lalr.c,
14043 * src/lex.c, src/nullable.c, src/output.c, src/print.c,
14044 * src/print_graph.c, src/reader.c, src/reduce.c, src/state.h,
14045 * src/symtab.c, src/symtab.h: Use token_number_t instead of shorts.
14046
14047 2002-04-22 Akim Demaille <akim@epita.fr>
14048
14049 * src/output.h, src/output.c (get_lines_number): Remove.
14050
14051 2002-04-19 Akim Demaille <akim@epita.fr>
14052
14053 * doc/bison.texinfo (Actions): Make clear that `|' is not the same
14054 as Lex/Flex'.
14055 (Debugging): More details about enabling the debugging features.
14056 (Table of Symbols): Describe $$, $n, @$, and @n.
14057 Suggested by Tim Josling.
14058
14059 2002-04-19 Akim Demaille <akim@epita.fr>
14060
14061 * doc/bison.texinfo: Remove the uses of the obsolete @refill.
14062
14063 2002-04-10 Akim Demaille <akim@epita.fr>
14064
14065 * src/system.h: Rely on HAVE_LIMITS_H.
14066 Suggested by Paul Eggert.
14067
14068 2002-04-09 Akim Demaille <akim@epita.fr>
14069
14070 * tests/calc.at (_AT_CHECK_CALC_ERROR): Receive as argument the
14071 full stderr, and strip it according to the bison options, instead
14072 of composing the error message from different bits.
14073 This makes it easier to check for several error messages.
14074 Adjust all the invocations.
14075 Add an invocation exercising the error token.
14076 Add an invocation demonstrating a stupid error message.
14077 (_AT_DATA_CALC_Y): Follow the GCS: initial column is 1, not 0.
14078 Adjust the tests.
14079 Error message are for stderr, not stdout.
14080
14081 2002-04-09 Akim Demaille <akim@epita.fr>
14082
14083 * src/gram.h, src/gram.c (error_token_number): Remove, use
14084 errtoken->number.
14085 * src/reader.c (reader): Don't specify the user token number (2)
14086 for $undefined, as it uselessly prevents using it.
14087 * src/gram.h (token_number_t): Move to...
14088 * src/symtab.h: here.
14089 (state_t.number): Is a token_number_t.
14090 * src/print.c, src/reader.c: Use undeftoken->number instead of
14091 hard coded 2.
14092 (Even though this 2 is not the same as above: the number of the
14093 undeftoken remains being 2, it is its user token number which
14094 might not be 2).
14095 * src/output.c (prepare_tokens): Rename the `maxtok' muscle with
14096 `user_token_number_max'.
14097 Output `undef_token_number'.
14098 * data/bison.simple, data/bison.c++: Use them.
14099 Be sure to map invalid yylex return values to
14100 `undef_token_number'. This saves us from gratuitous SEGV.
14101
14102 * tests/conflicts.at (Solved SR Conflicts)
14103 (Unresolved SR Conflicts): Adjust.
14104 * tests/regression.at (Web2c Actions): Adjust.
14105
14106 2002-04-08 Akim Demaille <akim@epita.fr>
14107
14108 * data/bison.c++: s/b4_item_number_max/b4_rhs_number_max/.
14109 Adding #line.
14110 Remove the duplicate `typedefs'.
14111 (RhsNumberType): Fix the declaration and various other typos.
14112 Use __ofile__.
14113 * data/bison.simple: Use __ofile__.
14114 * src/scan-skel.l: Handle __ofile__.
14115
14116 2002-04-08 Akim Demaille <akim@epita.fr>
14117
14118 * src/gram.h (item_number_t): New, the type of item numbers in
14119 RITEM. Note that it must be able to code symbol numbers as
14120 positive number, and the negation of rule numbers as negative
14121 numbers.
14122 Adjust all dependencies (pretty many).
14123 * src/reduce.c (rule): Remove this `short *' pointer: use
14124 item_number_t.
14125 * src/system.h (MINSHORT, MAXSHORT): Remove.
14126 Include `limits.h'.
14127 Adjust dependencies to using SHRT_MAX and SHRT_MIN.
14128 (shortcpy): Remove.
14129 (MAXTABLE): Move to...
14130 * src/output.c (MAXTABLE): here.
14131 (prepare_rules): Use output_int_table to output rhs.
14132 * data/bison.simple, data/bison.c++: Adjust.
14133 * tests/torture.at (Big triangle): Move the limit from 254 to
14134 500.
14135 * tests/regression.at (Web2c Actions): Ajust.
14136
14137 Trying with bigger grammars shows various phenomena: at 3000 (28Mb
14138 of grammar file) bison is killed by my system, at 2000 (12Mb) bison
14139 passes, but produces negative #line number, once fixed, GCC is
14140 killed while compiling 14Mb, at 1500 (6.7 Mb of grammar, 8.2Mb of
14141 C), it passes.
14142 * src/state.h (state_h): Code input lines on ints, not shorts.
14143
14144 2002-04-08 Akim Demaille <akim@epita.fr>
14145
14146 * src/reduce.c (reduce_grammar): First reduce the nonterminals,
14147 and then the grammar.
14148
14149 2002-04-08 Akim Demaille <akim@epita.fr>
14150
14151 * src/system.h: No longer using strndup.
14152
14153 2002-04-07 Akim Demaille <akim@epita.fr>
14154
14155 * src/muscle_tab.h (MUSCLE_INSERT_LONG_INT): New.
14156 * src/output.c (output_table_data): Return the longest number.
14157 (prepare_tokens): Output `token_number_max').
14158 * data/bison.simple, data/bison.c++ (b4_sint_type, b4_uint_type):
14159 New.
14160 Use them to define yy_token_number_type/TokenNumberType.
14161 Use this type for yytranslate.
14162 * tests/torture.at (Big triangle): Push the limit from 124 to
14163 253.
14164 * tests/regression.at (Web2c Actions): Adjust.
14165
14166 2002-04-07 Akim Demaille <akim@epita.fr>
14167
14168 * tests/torture.at (Big triangle): New.
14169 (GNU AWK Grammar, GNU Cim Grammar): Move to...
14170 * tests/existing.at: here.
14171
14172 2002-04-07 Akim Demaille <akim@epita.fr>
14173
14174 * src/gram.h, src/gram.c (nitems): Remove, it is an alias of
14175 nritems.
14176 Adjust dependencies.
14177
14178 2002-04-07 Akim Demaille <akim@epita.fr>
14179
14180 * src/reader.c: Normalize increments to prefix form.
14181
14182 2002-04-07 Akim Demaille <akim@epita.fr>
14183
14184 * src/reader.c, symtab.c: Remove debugging code.
14185
14186 2002-04-07 Akim Demaille <akim@epita.fr>
14187
14188 Rename all the `bucket's as `symbol_t'.
14189
14190 * src/gram.c, src/gram.h, src/lex.c, src/lex.h, src/output.c,
14191 * src/reader.c, src/reader.h, src/reduce.c, src/state.h,
14192 * src/symtab.c, src/symtab.h (bucket): Rename as...
14193 (symbol_t): this.
14194 (symbol_list_new, bucket_check_defined, bucket_make_alias)
14195 (bucket_check_alias_consistence, bucket_pack, bucket_translation)
14196 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
14197 (buckets_new, buckets_free, buckets_do): Rename as...
14198 (symbol_list_new, symbol_check_defined, symbol_make_alias)
14199 (symbol_check_alias_consistence, symbol_pack, symbol_translation)
14200 (symbol_new, symbol_free, hash_compare_symbol_t, hash_symbol_t)
14201 (symbols_new, symbols_free, symbols_do): these.
14202
14203 2002-04-07 Akim Demaille <akim@epita.fr>
14204
14205 Use lib/hash for the symbol table.
14206
14207 * src/gram.c (ntokens): Initialize to 1, to reserve a slot for
14208 EOF.
14209 * src/lex.c (lex): Set the `number' member of new terminals.
14210 * src/reader.c (bucket_check_defined, bucket_make_alias)
14211 (bucket_check_alias_consistence, bucket_translation): New.
14212 (reader, grammar_free, readgram, token_translations_init)
14213 (packsymbols): Adjust.
14214 (reader): Number the predefined tokens.
14215 * src/reduce.c (inaccessable_symbols): Just use hard coded numbers
14216 for predefined tokens.
14217 * src/symtab.h (bucket): Remove all the hash table related
14218 members.
14219 * src/symtab.c (symtab): Replace by...
14220 (bucket_table): this.
14221 (bucket_new, bucket_free, hash_compare_bucket, hash_bucket)
14222 (buckets_new, buckets_do): New.
14223
14224 2002-04-07 Akim Demaille <akim@epita.fr>
14225
14226 * src/gram.c (nitems, nrules, nsyms, ntokens, nvars, nritems)
14227 (start_symbol, max_user_token_number, semantic_parser)
14228 (error_token_number): Initialize.
14229 * src/reader.c (grammar, start_flag, startval, typed, lastprec):
14230 Initialize.
14231 (reader): Don't.
14232 (errtoken, eoftoken, undeftoken, axiom): Extern.
14233
14234 2002-04-07 Akim Demaille <akim@epita.fr>
14235
14236 * src/gram.h (rule_s): prec and precsym are now pointers
14237 to the bucket giving the priority/associativity.
14238 Member `associativity' removed: useless.
14239 * src/reduce.c, src/conflicts.c: Adjust.
14240
14241 2002-04-07 Akim Demaille <akim@epita.fr>
14242
14243 * src/lalr.c, src/LR0.c, src/closure.c, src/gram.c, src/reduce.c:
14244 Properly escape the symbols' TAG when outputting them.
14245
14246 2002-04-07 Akim Demaille <akim@epita.fr>
14247
14248 * src/lalr.h (LA): Is a bitsetv, not bitset*.
14249
14250 2002-04-07 Akim Demaille <akim@epita.fr>
14251
14252 * src/lalr.h, src/lalr.c (LAruleno): Replace with...
14253 (LArule): this, which is an array to rule_t*.
14254 * src/print.c, src/conflicts.c: Adjust.
14255
14256 2002-04-07 Akim Demaille <akim@epita.fr>
14257
14258 * src/gram.h (rule_t): Rename `number' as `user_number'.
14259 `number' is a new member.
14260 Adjust dependencies.
14261 * src/reduce.c (reduce_grammar_tables): Renumber rule_t.number.
14262
14263 2002-04-07 Akim Demaille <akim@epita.fr>
14264
14265 As a result of the previous patch, it is no longer needed
14266 to reorder ritem itself.
14267
14268 * src/reduce.c (reduce_grammar_tables): Don't sort RITEM.
14269
14270 2002-04-07 Akim Demaille <akim@epita.fr>
14271
14272 Be sure never to walk through RITEMS, but use only data related to
14273 the rules themselves. RITEMS should be banished.
14274
14275 * src/output.c (output_token_translations): Rename as...
14276 (prepare_tokens): this.
14277 In addition to `translate', prepare the muscles `tname' and
14278 `toknum', which were handled by...
14279 (output_rule_data): this.
14280 Remove, and move the remainder of its outputs into...
14281 (prepare_rules): this new routines, which also merges content from
14282 (output_gram): this.
14283 (prepare_rules): Be sure never to walk through RITEMS.
14284 (output_stos): Rename as...
14285 (prepare_stos): this.
14286 (output): Always invoke prepare_states, after all, just don't use it
14287 in the output if you don't need it.
14288
14289 2002-04-07 Akim Demaille <akim@epita.fr>
14290
14291 * src/LR0.c (new_state): Display `nstates' as the name of the
14292 newly created state.
14293 Adjust to initialize first_state and last_state if needed.
14294 Be sure to distinguish the initial from the final state.
14295 (new_states): Create the itemset of the initial state, and use
14296 new_state.
14297 * src/closure.c (closure): Now that the initial state has its
14298 items properly set, there is no need for a special case when
14299 creating `ruleset'.
14300
14301 As a result, now the rule 0, reducing to $axiom, is visible in the
14302 outputs. Adjust the test suite.
14303
14304 * tests/conflicts.at (Solved SR Conflicts)
14305 (Unresolved SR Conflicts): Adjust.
14306 * tests/regression.at (Web2c Report, Rule Line Numbers): Idem.
14307 * tests/conflicts.at (S/R in initial): New.
14308
14309 2002-04-07 Akim Demaille <akim@epita.fr>
14310
14311 * src/LR0.c (allocate_itemsets): Don't loop over ritem: loop over
14312 the RHS of the rules.
14313 * src/output.c (output_gram): Likewise.
14314
14315 2002-04-07 Akim Demaille <akim@epita.fr>
14316
14317 * src/gram.h (rule_t): `lhs' is now a pointer to the symbol's
14318 bucket.
14319 Adjust all dependencies.
14320 * src/reduce.c (nonterminals_reduce): Don't forget to renumber the
14321 `number' of the buckets too.
14322 * src/gram.h: Include `symtab.h'.
14323 (associativity): Move to...
14324 * src/symtab.h: here.
14325 No longer include `gram.h'.
14326
14327 2002-04-07 Akim Demaille <akim@epita.fr>
14328
14329 * src/gram.h, src/gram.c (rules_rhs_length): New.
14330 (ritem_longest_rhs): Use it.
14331 * src/gram.h (rule_t): `number' is a new member.
14332 * src/reader.c (packgram): Set it.
14333 * src/reduce.c (reduce_grammar_tables): Move the useless rules at
14334 the end of `rules', and count them out of `nrules'.
14335 (reduce_output, dump_grammar): Adjust.
14336 * src/print.c (print_grammar): It is no longer needed to check for
14337 the usefulness of a rule, as useless rules are beyond `nrules + 1'.
14338 * tests/reduce.at (Reduced Automaton): New test.
14339
14340 2002-04-07 Akim Demaille <akim@epita.fr>
14341
14342 * src/reduce.c (inaccessable_symbols): Fix a buglet: because of a
14343 lacking `+ 1' to nrules, Bison reported as useless a token if it
14344 was used solely to set the precedence of the last rule...
14345
14346 2002-04-07 Akim Demaille <akim@epita.fr>
14347
14348 * data/bison.c++, data/bison.simple: Don't output the current file
14349 name in #line, to avoid useless diffs between two identical
14350 outputs under different names.
14351
14352 2002-04-07 Akim Demaille <akim@epita.fr>
14353
14354 * src/closure.c, src/print.c, src/reader.c, src/reduce.c:
14355 Normalize loops to using `< nrules + 1', not `<= nrules'.
14356
14357 2002-04-07 Akim Demaille <akim@epita.fr>
14358
14359 * TODO: Update.
14360
14361 2002-04-07 Akim Demaille <akim@epita.fr>
14362
14363 * src/output.c, src/reader.c, src/symtab.c, src/symtab.h: Rename
14364 bucket.value as bucket.number.
14365
14366 2002-04-07 Akim Demaille <akim@epita.fr>
14367
14368 * src/closure.c, src/derives.c, src/gram.h, src/lalr.c,
14369 * src/nullable.c, src/output.c, src/print.c, src/print_graph.c,
14370 * src/reader.c, src/reduce.c: Let rule_t.rhs point directly to the
14371 RHS, instead of being an index in RITEMS.
14372
14373 2002-04-04 Paul Eggert <eggert@twinsun.com>
14374
14375 * doc/bison.texinfo: Update copyright date.
14376 (Rpcalc Lexer, Symbols, Token Decl): Don't assume ASCII.
14377 (Symbols): Warn about running Bison in one character set,
14378 but compiling and/or running in an incompatible one.
14379 Warn about character code 256, too.
14380
14381 2002-04-03 Paul Eggert <eggert@twinsun.com>
14382
14383 * src/bison.data (YYSTACK_ALLOC): Depend on whether
14384 YYERROR_VERBOSE is nonzero, not whether it is defined.
14385
14386 Merge changes from bison-1_29-branch.
14387
14388 2002-03-20 Paul Eggert <eggert@twinsun.com>
14389
14390 Merge fixes from Debian bison_1.34-1.diff.
14391
14392 * configure.in (AC_PREREQ): 2.53.
14393
14394 2002-03-20 Akim Demaille <akim@epita.fr>
14395
14396 * src/conflicts.c (log_resolution): Argument `resolution' is const.
14397
14398 2002-03-19 Paul Eggert <eggert@twinsun.com>
14399
14400 * src/bison.simple (YYCOPY): New macro.
14401 (YYSTACK_RELOCATE): Use it.
14402 Remove Type arg; no longer needed. All callers changed.
14403 (yymemcpy): Remove; no longer needed.
14404
14405 * Makefile.am (AUTOMAKE_OPTIONS): 1.6.
14406 * doc/Makefile.am (AUTOMAKE_OPTIONS): Remove.
14407
14408 2002-03-19 Akim Demaille <akim@epita.fr>
14409
14410 Test and fix the #line outputs.
14411
14412 * tests/atlocal.at (GCC): New.
14413 * tests/synclines.at (AT_TEST_SYNCLINE): New macro.
14414 (Prologue synch line, %union synch line, Postprologue synch line)
14415 (Action synch line, Epilogue synch line): New tests.
14416 * src/reader.c (parse_union_decl): Define the muscle stype_line.
14417 * data/bison.simple, data/bison.c++: Use it.
14418
14419 2002-03-19 Akim Demaille <akim@epita.fr>
14420
14421 * tests/regression.at (%nonassoc and eof, Unresolved SR Conflicts)
14422 (Solved SR Conflicts, %expect not enough, %expect right)
14423 (%expect too much): Move to...
14424 * tests/conflicts.at: this new file.
14425
14426 2002-03-19 Akim Demaille <akim@epita.fr>
14427
14428 * data/m4sugar/m4sugar.m4: Update from CVS Autoconf.
14429 * data/bison.simple, data/bison.c++: Handle the `#define' part, so
14430 that we can move to enums for instance.
14431 * src/output.c (token_definitions_output): Output a list of
14432 `token-name, token-number' instead of the #define.
14433 (output_skeleton): Name this list `b4_tokens', not `b4_tokendefs'.
14434
14435 2002-03-14 Akim Demaille <akim@epita.fr>
14436
14437 Use Gettext 0.11.1.
14438
14439 2002-03-09 Robert Anisko <robert@lrde.epita.fr>
14440
14441 * data/bison.c++: Make the user able to add members to the generated
14442 parser by subclassing.
14443
14444 2002-03-05 Robert Anisko <robert@lrde.epita.fr>
14445
14446 * src/reader.c (read_additionnal_code): `c' should be an integer, not
14447 a character.
14448 Reported by Nicolas Tisserand and Nicolas Burrus.
14449
14450 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
14451
14452 * src/reader.c: Warn about lacking semi-colons, do not complain.
14453
14454 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
14455
14456 * data/bison.c++: Remove a debug line.
14457
14458 2002-03-04 Robert Anisko <robert@lrde.epita.fr>
14459
14460 * data/bison.c++: Unmerge value as yylval and value as yyval. Unmerge
14461 location as yylloc and location as yyloc. Use YYLLOC_DEFAULT, and
14462 provide a default implementation.
14463
14464 2002-03-04 Akim Demaille <akim@epita.fr>
14465
14466 * tests/input.at (Invalid $n, Invalid @n): Add the ending `;'.
14467 * tests/output.at (AT_CHECK_OUTPUT): Likewise.
14468 * tests/headers.at (AT_TEST_CPP_GUARD_H): Ditto.
14469 * tests/semantic.at (Parsing Guards): Similarly.
14470 * src/reader.at (readgram): Complain if the last rule is not ended
14471 with a semi-colon.
14472
14473 2002-03-04 Akim Demaille <akim@epita.fr>
14474
14475 * src/warshall.h, src/warshall.c (bitmatrix_print): Move to...
14476 * src/closure.c: here.
14477 (set_firsts): Use bitsetv_reflexive_transitive_closure instead of
14478 RTC.
14479 * src/warshall.h, src/warshall.c: Remove.
14480 * tests/sets.at (Broken Closure): Adjust.
14481
14482 2002-03-04 Akim Demaille <akim@epita.fr>
14483
14484 * src/output.c (output_skeleton): tempdir is const.
14485 bytes_read is unused.
14486
14487 2002-03-04 Akim Demaille <akim@epita.fr>
14488
14489 * lib/bbitset.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
14490 * lib/bitsetv.h, lib/ebitset.c, lib/lbitset.c, lib/sbitset.c:
14491 Update.
14492 From Michael Hayes.
14493
14494 2002-03-04 Akim Demaille <akim@epita.fr>
14495
14496 * src/closure.c (closure): `r' is unused.
14497
14498 2002-03-04 Akim Demaille <akim@epita.fr>
14499
14500 * tests/sets.at (Broken Closure): Add the ending `;'.
14501 * src/reader.at (readgram): Complain if a rule is not ended with a
14502 semi-colon.
14503
14504 2002-03-04 Akim Demaille <akim@epita.fr>
14505
14506 * src/conflicts.c (set_conflicts): Use bitset_disjoint_p.
14507 (count_sr_conflicts): Use bitset_count.
14508 * src/reduce.c (inaccessable_symbols): Ditto.
14509 (bits_size): Remove.
14510 * src/warshall.h, src/warshall.c: Convert to bitsetv.
14511
14512 2002-03-04 Akim Demaille <akim@epita.fr>
14513
14514 * src/closure.c, src/conflicts.c, src/lalr.c, src/print.c,
14515 * src/reduce.c: Remove the `bitset_zero's following the
14516 `bitset_create's, as now it is performed by the latter.
14517
14518 2002-03-04 Akim Demaille <akim@epita.fr>
14519
14520 * lib/bitset.c, lib/bitset.h, lib/bitsetv.c, lib/bitsetv.h,
14521 * lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, lib/lbitset.h,
14522 * lib/sbitset.c, lib/sbitset.h, lib/bbitset.h: Update from the
14523 latest sources from Michael.
14524
14525 2002-03-04 Akim Demaille <akim@epita.fr>
14526
14527 * src/output.c (output): Don't free the grammar.
14528 * src/reader.c (grammar_free): New.
14529 * src/main.c (main): Call it and don't free symtab here.
14530
14531 2002-03-04 Akim Demaille <akim@epita.fr>
14532
14533 * src/lex.c (parse_percent_token): Be sure to 0-end token_buffer
14534 before returning.
14535 Reported by Benoit Perrot.
14536
14537 2002-03-04 Akim Demaille <akim@epita.fr>
14538
14539 Use bitset operations when possible, not loops over bits.
14540
14541 * src/conflicts.c (set_conflicts, count_sr_conflicts): Use
14542 bitset_or.
14543 * src/print.c (print_reductions): Use bitset_and, bitset_andn.
14544 * src/reduce.c (useless_nonterminals): Formatting changes.
14545 * src/warshall.c (TC): Use bitset_or.
14546
14547 2002-03-04 Akim Demaille <akim@epita.fr>
14548
14549 * src/lalr.h, src/lalr.c (tokensetsize): Remove, unused.
14550 * src/system.h (BITS_PER_WORD, WORDSIZE, SETBIT, RESETBIT, BITISSET):
14551 Ditto.
14552
14553 2002-03-04 Akim Demaille <akim@epita.fr>
14554
14555 * src/lalr.c (F): Now a bitset*.
14556 Adjust all dependencies.
14557
14558 2002-03-04 Akim Demaille <akim@epita.fr>
14559
14560 * src/conflicts.c (shiftset, lookaheadset): Now bitset.
14561 Adjust all dependencies.
14562
14563 2002-03-04 Akim Demaille <akim@epita.fr>
14564
14565 * src/L0.c, src/LR0.h (nstates): Be size_t.
14566 Adjust comparisons (signed vs unsigned).
14567 * src/conflics.c, src/lalr.c, src/lalr.h, src/output.c (LA): Now a
14568 bitset*.
14569 Adjust all dependencies.
14570
14571 2002-03-04 Akim Demaille <akim@epita.fr>
14572
14573 * src/closure.c (firsts): Now, also a bitset.
14574 Adjust all dependencies.
14575 (varsetsize): Remove, now unused.
14576 * src/warshall.h, src/warshall.c: Now work on arrays of bitsets.
14577
14578 2002-03-04 Akim Demaille <akim@epita.fr>
14579
14580 * src/print.c: Convert to use bitset.h, not hand coded iterations
14581 over ints.
14582
14583 2002-03-04 Akim Demaille <akim@epita.fr>
14584
14585 * src/reduce.c: Convert to use bitset.h, not hand coded BSet.
14586
14587 2002-03-04 Akim Demaille <akim@epita.fr>
14588
14589 * src/closure.c (ruleset): Be a bitset.
14590 (rulesetsize): Remove.
14591
14592 2002-03-04 Akim Demaille <akim@epita.fr>
14593
14594 * lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,
14595 * lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c,
14596 * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New.
14597 * src/closure.c (fderives): Be an array of bitsets.
14598
14599 2002-02-28 Robert Anisko <robert@lrde.epita.fr>
14600
14601 * data/bison.c++: Merge the two generated headers. Insert a copyright
14602 notice in each output file.
14603
14604 2002-02-28 Akim Demaille <akim@epita.fr>
14605
14606 * data/bison.c++: Copy the prologue of bison.simple to fetch
14607 useful M4 definitions, such as b4_header_guard.
14608
14609 2002-02-25 Akim Demaille <akim@epita.fr>
14610
14611 * src/getargs.c (version): Give the name of the authors, and use a
14612 translator friendly scheme for the bgr
14613 copyright notice.
14614
14615 2002-02-25 Akim Demaille <akim@epita.fr>
14616
14617 * src/output.c (header_output): Remove, now handled completely via
14618 M4.
14619
14620 2002-02-25 Akim Demaille <akim@epita.fr>
14621
14622 * m4/m4.m4: New, from CVS Autoconf.
14623 * configure.in: Invoke it.
14624 * src/output.c (output_skeleton): Use its result instead of the
14625 hard coded name.
14626
14627 2002-02-25 Akim Demaille <akim@epita.fr>
14628
14629 * lib/tempname.c, lib/mkstemp.c, m4/mkstemp.m4: New, stolen from
14630 Fileutils 4.1.5.
14631 * configure.in: Invoke UTILS_FUNC_MKSTEMP.
14632 * src/output.c (output_skeleton): Use mkstemp to create a real
14633 temporary file.
14634 Move the filling of `skeleton' and its muscle to...
14635 (prepare): here.
14636 (output): Move the definition of the prologue muscle to...
14637 (prepare): here.
14638 * src/system.h (DEFAULT_TMPDIR): New.
14639
14640 2002-02-14 Paul Eggert <eggert@twinsun.com>
14641
14642 Remove the support for C++ namespace cleanliness; it was
14643 causing more problems than it was curing, since it didn't work
14644 properly on some nonstandard C++ compilers. This can wait
14645 for a proper C++ parser.
14646
14647 * NEWS: Document this.
14648 * doc/bison.texinfo (Bison Parser, Debugging): Remove special mention
14649 of C++, as it's treated like C now.
14650 * src/bison.simple (YYSTD): Remove.
14651 (YYSIZE_T, YYFPRINTF, YYPARSE_PARAM_ARG, YYPARSE_PARAM_DECL):
14652 Treat C++ just like Standard C instead of trying to support
14653 namespace cleanliness.
14654
14655 2002-02-14 Akim Demaille <akim@epita.fr>
14656
14657 * tests/regression.at (else): Adjust to Andreas' change.
14658
14659 2002-02-14 Akim Demaille <akim@epita.fr>
14660
14661 * lib/Makefile.am (EXTRA_DIST): Ship strnlen.c.
14662
14663 2002-02-13 Andreas Schwab <schwab@suse.de>
14664
14665 * src/output.c (output_rule_data): Don't output NULL, it might
14666 not be defined yet.
14667
14668 2002-02-11 Robert Anisko <robert@lrde.epita.fr>
14669
14670 * data/bison.c++ (YYDEBUG, YYERROR_VERBOSE): After the prologue.
14671 (Copyright notice): Update.
14672
14673 2002-02-11 Akim Demaille <akim@epita.fr>
14674
14675 * tests/regression.at (%nonassoc and eof): Don't include
14676 nonportable headers.
14677
14678 2002-02-08 Robert Anisko <robert@lrde.epita.fr>
14679
14680 * data/bison.c++: Correct error recovery. Make the user able to
14681 initialize the starting location.
14682
14683 2002-02-07 Akim Demaille <akim@epita.fr>
14684
14685 * tests/input.at: New.
14686
14687 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
14688
14689 * data/bison.c++: Replace some direct m4 expansions by constants. Be
14690 more consistent when naming methods and variables. Put preprocessor
14691 directives around tables only needed for debugging.
14692
14693 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
14694
14695 * data/bison.c++ (yy::b4_name::print_): New method, replaces yyprint in
14696 C++ parsers.
14697 (yy::b4_name::parse): Use print_.
14698
14699 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
14700
14701 * data/bison.c++ (yy::b4_name::parse): Error recovery is back.
14702
14703 2002-02-07 Robert Anisko <robert@lrde.epita.fr>
14704
14705 * data/bison.c++ (yy::b4_name::error_): New method, replaces yyerror in
14706 C++ parsers.
14707 (yy::b4_name::parse): Build verbose error messages, and use error_.
14708
14709 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
14710
14711 * data/bison.c++: Fix m4 quoting in comments.
14712
14713 2002-02-06 Robert Anisko <robert@lrde.epita.fr>
14714
14715 * data/bison.c++: Adjust the parser code. Fix some muscles that were
14716 not expanded by m4.
14717
14718 2002-02-05 Akim Demaille <akim@epita.fr>
14719
14720 * data/bison.c++: Adjust to the M4 back end.
14721 More is certainly needed.
14722
14723 2002-02-05 Akim Demaille <akim@epita.fr>
14724
14725 Give a try to M4 as a back end.
14726
14727 * lib/readpipe.c: New, from wdiff.
14728 * src/Makefile.am (DEFS): Define PKGDATADIR, not BISON_SIMPLE and
14729 BISON_HAIRY.
14730 * src/system.h (BISON_HAIRY, BISON_SIMPLE): Remove the DOS and VMS
14731 specific values. Now it is m4 that performs the lookup.
14732 * src/parse-skel.y: Remove.
14733 * src/muscle_tab.c, src/muscle_tab.h (muscles_m4_output): New.
14734 * src/output.c (actions_output, guards_output)
14735 (token_definitions_output): No longer keeps track of the output
14736 line number, hence remove the second argument.
14737 (guards_output): Check against the guard member of a rule, not the
14738 action member.
14739 Adjust callers.
14740 (output_skeleton): Don't look for the skeleton location, let m4 do
14741 that.
14742 Create `/tmp/muscles.m4'. This is temporary, a proper temporary
14743 file will be used.
14744 Invoke `m4' on m4sugar.m4, muscles.m4, and the skeleton.
14745 (prepare): Given that for the time being changesyntax is not
14746 usable in M4, rename the muscles using `-' to `_'.
14747 Define `defines_flag', `output_parser_name' and `output_header_name'.
14748 * src/output.h (actions_output, guards_output)
14749 (token_definitions_output): Adjust prototypes.
14750 * src/scan-skel.l: Instead of scanning the skeletons, it now
14751 processes the output of m4: `__oline__' and `#output'.
14752 * data/bison.simple: Adjust to be used by M4(sugar).
14753 * tests/Makefile.am: Use check_SCRIPTS to make sure `bison' is up
14754 to date.
14755 * tests/bison.in: Use the secrete envvar `BISON_PKGDATADIR'
14756 instead of the dead `BISON_SIMPLE' and `BISON_HAIRY'.
14757 * data/m4sugar/m4sugar.m4, data/m4sugar/version.m4: New,
14758 shamelessly stolen from CVS Autoconf.
14759
14760 2002-02-05 Akim Demaille <akim@epita.fr>
14761
14762 * lib/hash.c, lib/hash.h: Replace with Fileutils 4.1's version.
14763 * configure.in: Check for the declarations of free and malloc.
14764 * src/muscle_tab.c: Adjust.
14765
14766 2002-02-05 Akim Demaille <akim@epita.fr>
14767
14768 * src/muscle_tab.c (muscle_init): Don't default to NULL muscle
14769 which have no values.
14770
14771 2002-02-05 Akim Demaille <akim@epita.fr>
14772
14773 * src/bison.simple, src/bison.hairy, src/bison.c++: Move to...
14774 * data/: here.
14775
14776 2002-01-29 Paul Eggert <eggert@twinsun.com>
14777
14778 * src/bison.simple (YYSIZE_T): Do not define merely because
14779 YYSTACK_USE_ALLOCA is nonzero or alloca or _ALLOCA_H are defined.
14780 On some platforms, <alloca.h> does not declare YYSTD (size_t).
14781
14782 2002-01-27 Akim Demaille <akim@epita.fr>
14783
14784 Fix `%nonassoc and eof'.
14785
14786 * src/state.c (errs_dup): Aaaah! The failure was due to bytes
14787 which were not properly copied! Replace
14788 memcpy (res->errs, src->errs, src->nerrs);
14789 with
14790 memcpy (res->errs, src->errs, src->nerrs * sizeof (src->errs[0]));
14791 !!!
14792 * tests/regression.at (%nonassoc and eof): Adjust to newest
14793 Autotest: `.' is not in the PATH.
14794
14795 2002-01-27 Akim Demaille <akim@epita.fr>
14796
14797 * tests/sets.at (AT_EXTRACT_SETS): New.
14798 (Nullable): Use it.
14799 (Firsts): New.
14800
14801 2002-01-26 Akim Demaille <akim@epita.fr>
14802
14803 * tests/actions.at, tests/calc.at, tests/headers.at,
14804 * tests/torture.at: Adjust to the newest Autotest which no longer
14805 forces `.' in the PATH.
14806
14807 2002-01-25 Akim Demaille <akim@epita.fr>
14808
14809 * tests/regression.at (%nonassoc and eof): New.
14810 Suggested by Robert Anisko.
14811
14812 2002-01-24 Akim Demaille <akim@epita.fr>
14813
14814 Bison dumps core when trying to complain about broken input files.
14815 Reported by Cris van Pelt.
14816
14817 * src/lex.c (parse_percent_token): Be sure to set token_buffer.
14818 * tests/regression.at (Invalid input: 1, Invalid input: 2): Merge
14819 into...
14820 (Invalid inputs): Strengthen: exercise parse_percent_token.
14821
14822 2002-01-24 Robert Anisko <robert.anisko@epita.fr>
14823
14824 * src/Makefile.am: Add bison.c++.
14825 * src/bison.c++: New skeleton.
14826
14827 2002-01-21 Paolo Bonzini <bonzini@gnu.org>
14828
14829 * po/it.po: New.
14830
14831 2002-01-21 Kees Zeelenberg <kzlg@users.sourceforge.net>
14832
14833 * src/files.c (skeleton_find) [MSDOS]: Fix cp definition.
14834
14835 2002-01-20 Marc Autret <marc@gnu.org>
14836
14837 * src/files.c (compute_output_file_names): Fix
14838
14839 2002-01-20 Marc Autret <marc@gnu.org>
14840
14841 * tests/output.at: New test.
14842 * src/files.c (compute_base_names): Don't map extensions when
14843 the YACC flag is set, use defaults.
14844 Reported by Evgeny Stambulchik.
14845
14846 2002-01-20 Marc Autret <marc@gnu.org>
14847
14848 * src/system.h: Need to define __attribute__ away for non-GCC
14849 compilers as well (i.e., the vendor C compiler).
14850 Suggested by Albert Chin-A-Young.
14851
14852 2002-01-11 Tim Van Holder <tim.van.holder@pandora.be>
14853
14854 * lib/hash.h, lib/hash.c: Renamed __P to PARAMS and used the
14855 canonical definition.
14856 * src/system.h: Use the canonical definition for PARAMS (avoids
14857 a conflict with the macro from lib/hash.h).
14858
14859 2002-01-11 Akim Demaille <akim@epita.fr>
14860
14861 * configure.in: Use AC_FUNC_STRNLEN.
14862 Fixes the failures observed on AIX 4.3 by H.Merijn Brand.
14863
14864 2002-01-09 Akim Demaille <akim@epita.fr>
14865
14866 * src/files.c, src/files.h (output_infix): New.
14867 (tab_extension): Remove.
14868 (compute_base_names): Compute the former, drop the latter.
14869 * src/output.c (prepare): Insert the muscles `output-infix', and
14870 `output-suffix'.
14871 * src/parse-skel.y (string, string.1): New.
14872 (section.header): Use it.
14873 (section.yacc): Remove.
14874 (prefix): Remove too.
14875 * src/scan-skel.l: Adjust.
14876 * src/bison.simple, src/bison.hairy: Adjust.
14877
14878 2002-01-09 Akim Demaille <akim@epita.fr>
14879
14880 * configure.in (WERROR_CFLAGS): Compute it.
14881 * src/Makefile.am (CFLAGS): Pass it.
14882 * tests/atlocal.in (CFLAGS): Idem.
14883 * src/files.c: Fix a few warnings.
14884 (get_extension_index): Remove, unused.
14885
14886 2002-01-08 Akim Demaille <akim@epita.fr>
14887
14888 * src/getargs.c (AS_FILE_NAME): New.
14889 (getargs): Use it to convert DOSish file names.
14890 * src/files.c (base_name): Rename as full_base_name to avoid
14891 clashes with `base_name ()'.
14892 (filename_split): New.
14893 (compute_base_names): N-th rewrite, using filename_split.
14894
14895 2002-01-08 Akim Demaille <akim@epita.fr>
14896
14897 * lib/basename.c, lib/dirname.h, lib/dirname.c, lib/memrchr.c:
14898 New, stolen from the Fileutils 4.1.
14899 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
14900 * configure.in: Check for the presence of memrchr, and of its
14901 prototype.
14902
14903 2002-01-07 Tim Van Holder <tim.van.holder@pandora.be>
14904
14905 * lib/hash.h (__P): Added definition for this macro.
14906 * src/Makefile.am: Add parse-skel.c and scan-skel.c to
14907 BUILT_SOURCES, to ensure they are generated first.
14908 * src/parse-skel.y: Use YYERROR_VERBOSE instead of
14909 %error-verbose to allow bootstrapping with bison 1.30x.
14910
14911 2002-01-06 Akim Demaille <akim@epita.fr>
14912
14913 * src/reader.c (parse_braces): Don't fetch the next char, the
14914 convention is to fetch on entry.
14915 * tests/torture.at (GNU Cim Grammar): Reintroduce their weird
14916 'switch' without a following semicolon.
14917 * tests/regression.at (braces parsing): New.
14918
14919 2002-01-06 Akim Demaille <akim@epita.fr>
14920
14921 Bison is dead wrong in its RR conflict reports.
14922
14923 * tests/torture.at (GNU Cim Grammar): New.
14924 * src/conflicts.c (count_rr_conflicts): Fix.
14925
14926 2002-01-06 Akim Demaille <akim@epita.fr>
14927
14928 Creating package.m4 from configure.ac causes too many problems.
14929
14930 * tests/Makefile.am (package.m4): Create it by hand,
14931 AC_CONFIG_TESTDIR no longer does in the most recent CVS Autoconf.
14932
14933 2002-01-06 Akim Demaille <akim@epita.fr>
14934
14935 * src/Makefile.am (bison_SOURCES): Add parse-skel.h and
14936 skeleton.h.
14937
14938 2002-01-04 Paul Eggert <eggert@twinsun.com>
14939
14940 * doc/bison.texinfo (Debugging):
14941 Remove YYSTDERR; it's no longer defined or used.
14942 Also, s/cstdio.h/cstdio/.
14943
14944 2002-01-03 Akim Demaille <akim@epita.fr>
14945
14946 * tests/bison.in, tests/atlocal.in: Adjust to CVS Autoconf.
14947
14948 2002-01-03 Akim Demaille <akim@epita.fr>
14949
14950 * src/parse-skel.y (process_skeleton): Don't bind the parser's
14951 tracing code to --trace, wait for a better --trace option, with
14952 args.
14953
14954 2002-01-03 Akim Demaille <akim@epita.fr>
14955
14956 * src/bison.simple (YYSTDERR): Remove, replace `stderr'.
14957 The ISO C++ standard is extremely clear about it: stderr is
14958 considered a macro, not a regular symbol (see table 94 `Header
14959 <cstdio> synopsis', [lib.c.files] 27.8.2 C Library files).
14960 Therefore std:: does not apply to it. It still does with fprintf.
14961 Also, s/cstdio.h/cstdio/.
14962
14963 2002-01-03 Akim Demaille <akim@epita.fr>
14964
14965 * lib/quotearg.c: Use `#include "..."' instead of `#include <...>'
14966 for non system headers.
14967
14968 2002-01-02 Akim Demaille <akim@epita.fr>
14969
14970 Equip the skeleton chain with location tracking, runtime trace,
14971 pure parser and scanner.
14972
14973 * src/parse-skel.y: Request a pure parser, locations, and prefix
14974 renaming.
14975 (%union): Having several members with the same type does not help
14976 type mismatches, simplify.
14977 (YYPRINT, yyprint): New.
14978 (yyerror): ``Rename'' (there is a #define yyerror skel_error) as...
14979 (skel_error): this.
14980 Handle locations.
14981 * src/scan-skel.l: Adjust to these changes.
14982 * src/skeleton.h (LOCATION_RESET, LOCATION_LINES, LOCATION_STEP)
14983 (LOCATION_PRINT, skel_control_t): New.
14984
14985 2001-12-30 Akim Demaille <akim@epita.fr>
14986
14987 * src/parse-skel.y: Get rid of the shift/reduce conflict:
14988 replace `gb' with BLANKS.
14989 * src/scan-skel.l: Adjust.
14990
14991 2001-12-30 Akim Demaille <akim@epita.fr>
14992
14993 * src/system.h: We don't need nor want bcopy.
14994 Throw away MS-DOS crap: we don't need getpid.
14995 * configure.in: We don't need strndup. It was even causing
14996 problems: because Flex includes the headers *before* us,
14997 _GNU_SOURCE is not defined by config.h, and therefore strndup was
14998 not visible.
14999 * lib/xstrndup.c: New.
15000 * src/scan-skel.l: Use it.
15001 Be sure to initialize yylval.muscle member when scanning a MUSCLE.
15002 * src/parse-skel.y: Use %directives instead of #defines.
15003
15004 2001-12-30 Akim Demaille <akim@epita.fr>
15005
15006 * src/skeleton.h: New.
15007 * src/output.c (output_parser, output_master_parser): Remove, dead
15008 code.
15009 * src/output.h (get_lines_number, actions_output, guards_output)
15010 (token_definitions_output): Prototype them.
15011 * src/parse-skel.y: Add the license notice.
15012 Include output.h and skeleton.h.
15013 (process_skeleton): Returns void, and takes a single parameter.
15014 * src/scan-skel.l: Add the license notice.
15015 Include skeleton.h.
15016 Don't use %option yylineno: it seems that then Flex imagines
15017 REJECT has been used, and therefore it won't reallocate its
15018 buffers (which makes no other sense to me than a bug). It results
15019 in warnings for `unused: yy_flex_realloc'.
15020
15021 2001-12-30 Robert Anisko <robert.anisko@epita.fr>
15022
15023 * src/muscle_tab.h (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
15024 (MUSCLE_INSERT_PREFIX): ...to there.
15025 * src/output.c (MUSCLE_INSERT_INT, MUSCLE_INSERT_STRING)
15026 (MUSCLE_INSERT_PREFIX): Move from here...
15027
15028 * src/bison.hairy: Add a section directive. Put braces around muscle
15029 names. This parser skeleton is still broken, but Bison should not
15030 choke on a bad muscle 'syntax'.
15031 * src/bison.simple: Add a section directive. Put braces around muscle
15032 names.
15033
15034 * src/files.h (strsuffix, stringappend): Add declarations.
15035 (tab_extension): Add declaration.
15036 (short_base_name): Add declaration.
15037
15038 * src/files.c (strsuffix, stringappend): No longer static. These
15039 functions are used in the skeleton parser.
15040 (tab_extension): New.
15041 (compute_base_names): Use the computations done in this function
15042 to guess if the generated parsers should have '.tab' in their
15043 names.
15044 (short_base_name): No longer static.
15045
15046 * src/output.c (output_skeleton): New.
15047 (output): Disable call to output_master_parser, and give a try to
15048 a new skeleton handling system.
15049 (guards_output, actions_output): No longer static.
15050 (token_definitions_output, get_lines_number): No longer static.
15051
15052 * configure.in: Use AM_PROG_LEX and AC_PROG_YACC.
15053
15054 * src/Makefile.am (bison_SOURCES): Add scan-skel.l and
15055 parse-skel.y.
15056
15057 * src/parse-skel.y: New file.
15058 * src/scan-skel.l: New file.
15059
15060 2001-12-29 Akim Demaille <akim@epita.fr>
15061
15062 %name-prefix is broken.
15063
15064 * src/files.c (spec_name_prefix): Initialize to NULL, not to "yy".
15065 Adjust all dependencies.
15066 * tests/headers.at (export YYLTYPE): Strengthen this test: use
15067 %name-prefix.
15068
15069 Renaming yylval but not yylloc is not consistent. Now we do.
15070
15071 * src/bison.simple: Prefix yylloc if used.
15072 * doc/bison.texinfo (Decl Summary): Document that.
15073
15074 2001-12-29 Akim Demaille <akim@epita.fr>
15075
15076 * doc/bison.texinfo: Promote `%long-directive' over
15077 `%long_directive'.
15078 Remove all references to fixed-output-files, yacc is enough.
15079
15080 2001-12-29 Akim Demaille <akim@epita.fr>
15081
15082 * src/bison.simple: Define YYDEBUG and YYERROR_VERBOSE *after* the
15083 user prologue. These are defaults.
15084 * tests/actions.at (Mid-rule actions): Make sure the user can
15085 define YYDEBUG and YYERROR_VERBOSE.
15086
15087 2001-12-29 Akim Demaille <akim@epita.fr>
15088
15089 * src/output.c (header_output): Don't forget to export YYLTYPE and
15090 yylloc.
15091 * tests/headers.at (export YYLTYPE): New, make sure it does.
15092 * tests/regression.at (%union and --defines, Invalid CPP headers):
15093 Move to...
15094 * tests/headers.at: here.
15095
15096 2001-12-29 Akim Demaille <akim@epita.fr>
15097
15098 * src/gram.h (rule_s): Member `assoc' is of type `associativity'.
15099
15100 2001-12-29 Akim Demaille <akim@epita.fr>
15101
15102 * tests/actions.at (Mid-rule actions): Output on a single line
15103 instead of several.
15104
15105 2001-12-29 Akim Demaille <akim@epita.fr>
15106
15107 * doc/bison.texinfo: Formatting changes.
15108
15109 2001-12-29 Akim Demaille <akim@epita.fr>
15110
15111 Don't store the token defs in a muscle, just be ready to output it
15112 on command. Now possible via `symbols'. Fixes a memory leak.
15113
15114 * src/output.c (token_definitions_output): New.
15115 (output_parser, header_output): Use it.
15116 * src/reader.c (symbols_save): Remove.
15117
15118 2001-12-29 Akim Demaille <akim@epita.fr>
15119
15120 * src/bison.simple: Do not provide a default for YYSTYPE and
15121 YYLTYPE before the user's prologue. Otherwise it's hardly... a
15122 default.
15123
15124 2001-12-29 Akim Demaille <akim@epita.fr>
15125
15126 Mid-rule actions are simply... ignored!
15127
15128 * src/reader.c (readgram): Be sure to attach mid-rule actions to
15129 the empty-rule associated to the dummy symbol, not to the host
15130 rule.
15131 * tests/actions.at (Mid-rule actions): New.
15132
15133 2001-12-29 Akim Demaille <akim@epita.fr>
15134
15135 Memory leak.
15136
15137 * src/reader.c (reader): Free grammar.
15138
15139 2001-12-29 Akim Demaille <akim@epita.fr>
15140
15141 Memory leak.
15142
15143 * src/LR0.c (new_itemsets): Don't allocate `shift_symbol' here,
15144 since it allocates it for each state, although only one is needed.
15145 (allocate_storage): Do it here.
15146
15147 2001-12-29 Akim Demaille <akim@epita.fr>
15148
15149 * src/options.h, src/options.c (create_long_option_table): Rename
15150 as...
15151 (long_option_table_new): this, with a clearer prototype.
15152 (percent_table): Remove, unused,
15153 * src/getargs.c (getargs): Adjust.
15154
15155 2001-12-29 Akim Demaille <akim@epita.fr>
15156
15157 * src/LR0.c, src/conflicts.c, src/lalr.c, src/lalr.h, src/output.c
15158 * src/print.c, src/print_graph.c, src/state.h: Rename state_table
15159 as states.
15160
15161 2001-12-29 Akim Demaille <akim@epita.fr>
15162
15163 * src/lalr.c (build_relations): Rename `states' as `states1'.
15164 Sorry, I don't understand exactly what it is, no better name...
15165
15166 2001-12-29 Akim Demaille <akim@epita.fr>
15167
15168 * src/closure.c, src/conflicts.c, src/derives.c, src/gram.c
15169 * src/gram.h, src/lalr.c, src/nullable.c, src/output.c, src/print.c
15170 * src/print_graph.c, src/reader.c, src/reduce.c: Rename rule_table
15171 as rules.
15172
15173 2001-12-29 Akim Demaille <akim@epita.fr>
15174
15175 * src/gram.c (rprec, rprecsym, rassoc): Remove, unused since long
15176 ago.
15177
15178 2001-12-29 Akim Demaille <akim@epita.fr>
15179
15180 * src/reader.c, src/reader.h (user_toknums): Remove.
15181 Adjust all users to use symbols[i]->user_token_number.
15182
15183 2001-12-29 Akim Demaille <akim@epita.fr>
15184
15185 * src/gram.c, src/gram.h (sprec, sassoc): Remove.
15186 Adjust all users to use symbols[i]->prec or ->assoc.
15187
15188 2001-12-29 Akim Demaille <akim@epita.fr>
15189
15190 * src/reader.c, src/reader.h (tags): Remove.
15191 Adjust all users to use symbols[i]->tag.
15192
15193 2001-12-29 Akim Demaille <akim@epita.fr>
15194
15195 * src/gram.h, src/gram.c (symbols): New, similar to state_table
15196 and rule_table.
15197 * src/reader.c (packsymbols): Fill this table.
15198 Drop sprec.
15199 * src/conflicts.c (resolve_sr_conflict): Adjust.
15200 * src/reduce.c (reduce_grammar): Adjust: just sort symbols, a
15201 single table.
15202 Use symbols[i]->tag instead of tags[i].
15203
15204 2001-12-29 Akim Demaille <akim@epita.fr>
15205
15206 * tests/calc.at (_AT_DATA_CALC_Y): Also use %union.
15207 In addition, put a comment in there, to replace...
15208 * tests/regression.at (%union and C comments): Remove.
15209
15210 2001-12-29 Akim Demaille <akim@epita.fr>
15211
15212 * tests/regression.at (Web2c Actions): Blindly move the actual
15213 output as expected output. The contents *seem* right to me, but I
15214 can't pretend reading perfectly parser tables... Nonetheless, all
15215 the other tests pass correctly, the table look OK, even though the
15216 presence of `$axiom' is to be noted: AFAICS it is useless (but
15217 harmless).
15218
15219 2001-12-29 Akim Demaille <akim@epita.fr>
15220
15221 * src/reader.c (readgram): Don't add the rule 0 if there were no
15222 rules read. In other words, add it _after_ having performed
15223 grammar sanity checks.
15224 Fixes the `tests/regression.at (Invalid input: 1)' Failure.
15225
15226 2001-12-29 Akim Demaille <akim@epita.fr>
15227
15228 * tests/regression.at (Web2c Report): Catch up: the rule 0 is now
15229 visible, and some states have now a different number.
15230
15231 2001-12-29 Akim Demaille <akim@epita.fr>
15232
15233 * src/reader.c (readgram): Bind the initial rule's lineno to that
15234 of the first rule.
15235 * tests/regression.at (Rule Line Numbers, Unresolved SR Conflicts):
15236 (Solved SR Conflicts): Adjust rule 0's line number.
15237
15238 2001-12-29 Akim Demaille <akim@epita.fr>
15239
15240 Fix the `GAWK Grammar' failure.
15241
15242 * src/LR0.c (final_state): Initialize to -1 so that we do compute
15243 the reductions of the first state which was mistakenly confused
15244 with the final state because precisely final_state was initialized
15245 to 0.
15246 * tests/sets.at (Nullable): Adjust: state 0 does have lookaheads,
15247 now noticed by Bison.
15248 * tests/regression.at (Rule Line Numbers): Adjust: state 0 does
15249 have a reduction on $default.
15250
15251 2001-12-29 Akim Demaille <akim@epita.fr>
15252
15253 * src/gram.c (ritem_print): Be sure to subtract 1 when displaying
15254 rule line numbers.
15255 * src/closure.c (print_closure): Likewise.
15256 * src/derives.c (print_derives): Likewise.
15257 * tests/sets.at (Nullable): Adjust: the rule numbers are correct
15258 now.
15259
15260 2001-12-29 Akim Demaille <akim@epita.fr>
15261
15262 * src/lalr.c (lookaheads_print): New.
15263 (lalr): Call it when --trace-flag.
15264 * tests/sets.at (Nullable): Adjust: when tracing, the lookaheads
15265 are dumped.
15266
15267 2001-12-29 Akim Demaille <akim@epita.fr>
15268
15269 * src/derives.c (print_derives): Be sure to use `>= 0', not `> 0',
15270 when walking through ritem, even via rule->rhs.
15271 * src/reduce.c (dump_grammar, useful_production, reduce_output)
15272 (useful_production, useless_nonterminals): Likewise.
15273 (reduce_grammar_tables): Likewise, plus update nritems.
15274 * src/nullable.c (set_nullable): Likewise.
15275 * src/lalr.c (build_relations): Likewise.
15276 * tests/sets.at (Nullable): Adjust.
15277 Fortunately, now, the $axiom is no longer nullable.
15278
15279 2001-12-29 Akim Demaille <akim@epita.fr>
15280
15281 * src/LR0.c (generate_states): Use nritems, not nitems, nor using
15282 the 0-sentinel.
15283 * src/gram.c (ritem_longest_rhs): Likewise.
15284 * src/reduce.c (nonterminals_reduce): Likewise.
15285 * src/print_graph.c (print_graph): Likewise.
15286 * src/output.c (output_rule_data): Likewise.
15287 * src/nullable.c (set_nullable): Likewise.
15288
15289 2001-12-29 Akim Demaille <akim@epita.fr>
15290
15291 * src/output.c: Comment changes.
15292
15293 2001-12-27 Paul Eggert <eggert@twinsun.com>
15294
15295 * src/bison.simple (YYSTACK_ALLOC, YYSIZE_T): Remove special
15296 cases for non-GNU systems like AIX, HP-UX, SGI, Sun, and
15297 Sparc, as they were causing more porting problems than the
15298 (minor) performance improvement was worth.
15299
15300 Also, catch up with 1.31's YYSTD.
15301
15302 2001-12-27 Akim Demaille <akim@epita.fr>
15303
15304 * src/output.c (output_gram): Rely on nritems, not the
15305 0-sentinel. See below.
15306 Use -1 as separator, not 0.
15307 * src/bison.simple (yyparse): Subtract 1 to the rule numbers.
15308 Rely on -1 as separator in yyrhs, instead of 0.
15309 * tests/calc.at (AT_CHECK_CALC): Now, the parsers no longer issue
15310 twice `Now at end of input', therefore there are two lines less to
15311 expect.
15312
15313 2001-12-27 Akim Demaille <akim@epita.fr>
15314
15315 * tests/regression.at (Unresolved SR Conflicts):
15316 (Solved SR Conflicts, Rule Line Numbers): Adjust to the changes
15317 below.
15318
15319 2001-12-27 Akim Demaille <akim@epita.fr>
15320
15321 * src/LR0.c (new_state): Recognize the final state by the fact it
15322 is reached by eoftoken.
15323 (insert_start_shifting_state, insert_eof_shifting_state)
15324 (insert_accepting_state, augment_automaton): Remove, since now
15325 these states are automatically computed from the initial state.
15326 (generate_states): Adjust.
15327 * src/print.c: When reporting a rule number to the user, substract
15328 1, so that the axiom rule is rule 0, and the first user rule is 1.
15329 * src/reduce.c: Likewise.
15330 * src/print_graph.c (print_core): For the time being, just as for
15331 the report, depend upon --trace-flags to dump the full set of
15332 items.
15333 * src/reader.c (readgram): Once the grammar read, insert the rule
15334 0: `$axiom: START-SYMBOL $'.
15335 * tests/set.at: Adjust: rule 0 is now displayed, and since the
15336 number of the states has changed (the final state is no longer
15337 necessarily the last), catch up.
15338
15339 2001-12-27 Akim Demaille <akim@epita.fr>
15340
15341 Try to make the use of the eoftoken valid. Given that its value
15342 is 0 which was also used as a sentinel in ritem, (i) make sure >= 0
15343 is used instead of > 0 where appropriate, (ii), depend upon nritems
15344 instead of the 0-sentinel.
15345
15346 * src/gram.h, src/gram.c (nritems): New.
15347 Expected to be duplication of nitems, but for the time being...
15348 * src/reader.c (packgram): Assert nritems and nitems are equal.
15349 * src/LR0.c (allocate_itemsets, new_itemsets): Adjust.
15350 * src/closure.c (print_closure, print_fderives): Likewise.
15351 * src/gram.c (ritem_print): Likewise.
15352 * src/print.c (print_core, print_grammar): Likewise.
15353 * src/print_graph.c: Likewise.
15354
15355 2001-12-27 Akim Demaille <akim@epita.fr>
15356
15357 * src/main.c (main): If there are complains after grammar
15358 reductions, then output the report anyway if requested, then die.
15359 * src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
15360 * src/reader.c (eoftoken): New.
15361 (parse_token_decl): If the token being defined has value `0', it
15362 is the eoftoken.
15363 (packsymbols): No longer hack `tags' to insert `$' by hand.
15364 Be sure to preserve the value of the eoftoken.
15365 (reader): Make sure eoftoken is defined.
15366 Initialize nsyms to 0: now eoftoken is created just like the others.
15367 * src/print.c (print_grammar): Don't special case the eof token.
15368 * src/regression.at: Adjust: `$' has value 0, not -1, which was a
15369 lie anyway, albeit pleasant.
15370 * tests/calc.at: Exercise error messages with eoftoken.
15371 Change the grammar so that empty input is invalid.
15372 Adjust expectations.
15373 When yyungeting, be sure to use a valid yylloc: use last_yylloc.
15374
15375 2001-12-27 Akim Demaille <akim@epita.fr>
15376
15377 * configure.in: Check the protos of strchr ans strspn.
15378 Replace strchr if needed.
15379 * src/system.h: Provide the protos of strchr, strspn and memchr if
15380 missing.
15381 * lib/strchr.c: New.
15382 * src/reader.c (symbols_save): Use strchr.
15383
15384 2001-12-27 Akim Demaille <akim@epita.fr>
15385
15386 * src/print.c, src/print_graph.c (escape): New.
15387 Use it to quote the TAGS outputs.
15388 * src/print_graph.c (print_state): Now errors are in red, and
15389 reductions in green.
15390 Prefer high to wide: output the state number on a line of its own.
15391
15392 2001-12-27 Akim Demaille <akim@epita.fr>
15393
15394 * src/state.h, src/state.c (reductions_new): New.
15395 * src/LR0.c (set_state_table): Let all the states have a
15396 `reductions', even if reduced to 0.
15397 (save_reductions): Adjust.
15398 * src/lalr.c (initialize_LA, initialize_lookaheads): Adjust.
15399 * src/print.c (print_reductions, print_actions): Adjust.
15400 * src/output.c (action_row): Adjust.
15401
15402 2001-12-27 Akim Demaille <akim@epita.fr>
15403
15404 * src/state.h, src/state.c (errs_new, errs_dup): New.
15405 * src/LR0.c (set_state_table): Let all the states have an errs,
15406 even if reduced to 0.
15407 * src/print.c (print_errs, print_reductions): Adjust.
15408 * src/output.c (output_actions, action_row): Adjust.
15409 * src/conflicts.c (resolve_sr_conflict): Adjust.
15410
15411 2001-12-27 Akim Demaille <akim@epita.fr>
15412
15413 * src/lalr.c (set_goto_map, initialize_F): Use SHIFT_SYMBOL.
15414
15415 2001-12-27 Akim Demaille <akim@epita.fr>
15416
15417 * src/conflicts.c, src/conflicts.h (print_reductions): Move to...
15418 * src/print.c: here.
15419 (lookaheadset, shiftset): New, used as additional storage by
15420 print_reductions.
15421 (print_results): Adjust.
15422 (print_shifts, print_gotos, print_errs): New, extracted from...
15423 (print_actions): here.
15424 * src/print_graph.c (print_actions): Remove dead code.
15425
15426 2001-12-27 Akim Demaille <akim@epita.fr>
15427
15428 * src/reader.c (copy_dollar, copy_at): Better checking of `n' in
15429 `$n' and `@n'.
15430
15431 2001-12-27 Akim Demaille <akim@epita.fr>
15432
15433 * src/lalr.c (add_lookback_edge): Use state_t instead of ints.
15434 (build_relations): Adjust.
15435
15436 2001-12-27 Akim Demaille <akim@epita.fr>
15437
15438 * src/lalr.c (set_goto_map): Remove a wrong but benign loop
15439 duplication.
15440
15441 2001-12-27 Akim Demaille <akim@epita.fr>
15442
15443 * src/reader.c (packgram): Catch nitems overflows.
15444
15445 2001-12-27 Akim Demaille <akim@epita.fr>
15446
15447 * src/files.c, src/files.h (guard_obstack): Remove.
15448 * src/output.c (output): Adjust.
15449 * src/reader.c (parse_braces): New, factoring...
15450 (copy_action, copy_guard): these two which are renamed as...
15451 (parse_action, parse_guard): these.
15452 As a voluntary consequence, using braces around guards is now
15453 mandatory.
15454
15455 2001-12-27 Akim Demaille <akim@epita.fr>
15456
15457 * src/gram.h (rule_t): `guard' and `guard_line' are new members.
15458 * src/reader.c (symbol_list): `guard' and `guard_line' are new
15459 members.
15460 (symbol_list_new): Adjust.
15461 (copy_action): action_line is the first line, not the last.
15462 (copy_guard): Just as for actions, store the `action' only, not
15463 the switch/case/break flesh.
15464 Don't parse the user action that might follow the guard, let...
15465 (readgram): do it, i.e., now, there can be an action after a
15466 guard.
15467 In other words the guard is just explicitly optional.
15468 (packgram): Adjust.
15469 * src/output.c (guards_output): New.
15470 (output_parser): Call it when needed.
15471 (output): Also free the guard and attrs obstacks.
15472 * src/files.c, src/files.h (obstack_save): Remove.
15473 (output_files): Remove.
15474 As a result, if one needs the former `.act' file, using an
15475 appropriate skeleton which requires actions and guards is now
15476 required.
15477 * src/main.c (main): Adjust.
15478 * tests/semantic.at: New.
15479 * tests/regression.at: Use `input.y' as input file name.
15480 Avoid 8+3 problems by requiring input.c when the test needs the
15481 parser.
15482
15483 2001-12-27 Akim Demaille <akim@epita.fr>
15484
15485 * src/reader.c (symbol_list_new): Be sure to initialize all the
15486 fields.
15487
15488 2001-12-27 Akim Demaille <akim@epita.fr>
15489
15490 All the hacks using a final pseudo state are now useless.
15491
15492 * src/LR0.c (set_state_table): state_table holds exactly nstates.
15493 * src/lalr.c (nLA): New.
15494 (initialize_LA, compute_lookaheads, initialize_lookaheads): Use it
15495 instead of lookaheadsp from the pseudo state (nstate + 1).
15496
15497 2001-12-27 Akim Demaille <akim@epita.fr>
15498
15499 * src/output.c (action_row, token_actions): Use a state_t instead
15500 of a integer, and nlookaheads instead of the following state's
15501 lookaheadsp.
15502
15503 2001-12-27 Akim Demaille <akim@epita.fr>
15504
15505 * src/conflicts.c (log_resolution, flush_shift)
15506 (resolve_sr_conflict, set_conflicts, solve_conflicts)
15507 (count_sr_conflicts, count_rr_conflicts, conflicts_output)
15508 (conflicts_print, print_reductions): Use a state_t instead of an
15509 integer when referring to a state.
15510 As much as possible, depend upon nlookaheads, instead of the
15511 `lookaheadsp' member of the following state (since lookaheads of
15512 successive states are successive, the difference between state n + 1
15513 and n served as the number of lookaheads for state n).
15514 * src/lalr.c (add_lookback_edge): Likewise.
15515 * src/print.c (print_core, print_actions, print_state)
15516 (print_results): Likewise.
15517 * src/print_graph.c (print_core, print_actions, print_state)
15518 (print_graph): Likewise.
15519 * src/conflicts.h: Adjust.
15520
15521 2001-12-27 Akim Demaille <akim@epita.fr>
15522
15523 * src/bison.hairy: Formatting/comment changes.
15524 ANSIfy.
15525 Remove `register' indications.
15526 Add plenty of `static'.
15527
15528 2001-12-27 Akim Demaille <akim@epita.fr>
15529
15530 * src/output.c (prepare): Drop the muscle `ntbase' which
15531 duplicates ntokens.
15532 * src/bison.simple: Formatting/comment changes.
15533 Use YYNTOKENS only, which is documented, but not YYNTBASE, which
15534 is an undocumented synonym.
15535
15536 2001-12-22 Akim Demaille <akim@epita.fr>
15537
15538 * src/output.c (output_table_data): Change the prototype to use
15539 `int' for array ranges: some invocations do pass an int, not a
15540 short.
15541 Reported by Wayne Green.
15542
15543 2001-12-22 Akim Demaille <akim@epita.fr>
15544
15545 Some actions of web2c.y are improperly triggered.
15546 Reported by Mike Castle.
15547
15548 * src/lalr.c (traverse): s/F (i)[k] = F (j)[k]/F (j)[k] = F (i)[k]/.
15549 * tests/regression.at (Web2c): Rename as...
15550 (Web2c Report): this.
15551 (Web2c Actions): New.
15552
15553 2001-12-22 Akim Demaille <akim@epita.fr>
15554
15555 Reductions in web2c.y are improperly reported.
15556 Reported by Mike Castle.
15557
15558 * src/conflicts.c (print_reductions): Fix.
15559 * tests/regression.at (Web2c): New.
15560
15561 2001-12-18 Akim Demaille <akim@epita.fr>
15562
15563 Some host fail on `assert (!"foo")', which expands to
15564 ((!"foo") ? (void)0 : __assert("!"foo."", __FILE__, __LINE__))
15565 Reported by Nelson Beebee.
15566
15567 * src/output.c, src/vcg.c: Replace `assert (!"it succeeded")' with
15568 `#define it_succeeded 0' and `assert (it_succeeded)'.
15569
15570 2001-12-17 Marc Autret <autret_m@epita.fr>
15571
15572 * src/bison.simple: Don't hard code the skeleton line and filename.
15573 * src/output.c (output_parser): Rename 'line' as 'output_line'.
15574 New line counter 'skeleton_line' (skeleton-line muscle).
15575
15576 2001-12-17 Paul Eggert <eggert@twinsun.com>
15577
15578 * NEWS, doc/bison.texinfo, doc/bison.1, doc/bison.rnh: Document that
15579 YYDEBUG must be defined to a nonzero value.
15580
15581 * src/bison.simple (yytname): Do not assume that the user defines
15582 YYDEBUG to a properly parenthesized expression.
15583
15584 2001-12-17 Akim Demaille <akim@epita.fr>
15585
15586 * src/state.h (state_t): Rename lookaheads as lookaheadsp.
15587 nlookaheads is a new member.
15588 Adjust all users.
15589 * src/lalr.h (nlookaheads): Remove this orphan declaration.
15590 * src/lalr.c (initialize_lookaheads): Set nlookaheads for each
15591 state.
15592
15593 2001-12-17 Akim Demaille <akim@epita.fr>
15594
15595 * src/files.h, src/files.c (open_files, close_files): Remove.
15596 * src/main.c (main): Don't open/close files, nor invoke lex_free,
15597 let...
15598 * src/reader.c (reader): Do it.
15599
15600 2001-12-17 Akim Demaille <akim@epita.fr>
15601
15602 * src/conflicts.c (print_reductions): Formatting changes.
15603
15604 2001-12-17 Akim Demaille <akim@epita.fr>
15605
15606 * src/conflicts.c (flush_shift): Also adjust lookaheadset.
15607 (flush_reduce): New.
15608 (resolve_sr_conflict): Adjust.
15609
15610 2001-12-17 Akim Demaille <akim@epita.fr>
15611
15612 * src/output.c (output_obstack): Be static and rename as...
15613 (format_obstack): this, to avoid any confusion with files.c's
15614 output_obstack.
15615 * src/reader.h (muscle_obstack): Move to...
15616 * src/output.h: here, since it's defined in output.c.
15617
15618 2001-12-17 Akim Demaille <akim@epita.fr>
15619
15620 * src/output.c (action_row, save_column, default_goto)
15621 (sort_actions, matching_state, pack_vector): Better variable
15622 locality.
15623
15624 2001-12-17 Akim Demaille <akim@epita.fr>
15625
15626 * src/output.c: Various formatting changes.
15627
15628 2001-12-17 Akim Demaille <akim@epita.fr>
15629
15630 * src/files.c (output_files): Free the output_obstack.
15631 * src/main.c (main): Call print and print_graph conditionally.
15632 * src/print.c (print): Work unconditionally.
15633 * src/print_graph.c (print_graph): Work unconditionally.
15634 * src/conflicts.c (log_resolution): Output only if verbose_flag.
15635
15636 2001-12-16 Marc Autret <autret_m@epita.fr>
15637
15638 * src/output.c (actions_output): Fix. When we use %no-lines,
15639 there is one less line per action.
15640
15641 2001-12-16 Marc Autret <autret_m@epita.fr>
15642
15643 * src/bison.simple: Remove a useless #line directive.
15644 s/#line %%line %%skeleton/#line %%line "%%parser-file-name"/'.
15645 * src/output.c (get_lines_number): New.
15646 (output_parser): Adjust, now takes care about the lines of a
15647 output muscles.
15648 Fix line numbering.
15649 (actions_output): Computes the number of lines taken by actions.
15650 (output_master_parser): Insert new skeleton which is the name of
15651 the output parser file name.
15652
15653 2001-12-15 Marc Autret <autret_m@epita.fr>
15654
15655 * src/bison.simple [YYERROR_VERBOSE]: Restore backward compatibility.
15656
15657 2001-12-15 Marc Autret <autret_m@epita.fr>
15658
15659 * src/output.c (output_gram): Keep track of the hairy one.
15660
15661 2001-12-15 Akim Demaille <akim@epita.fr>
15662
15663 Make `make distcheck' work.
15664
15665 * lib/Makefile.am (INCLUDES): Add top_srcdir/intl, since hash uses
15666 system.h which uses libgettext.h.
15667
15668 2001-12-15 Akim Demaille <akim@epita.fr>
15669
15670 * src/nullable.c (set_nullable): Useless rules must be skipped,
15671 otherwise, since we range over their symbols, we might look at a
15672 nonterminal which no longer ``exists'', i.e., it is not counted in
15673 `nvars', hence we overflow our arrays.
15674
15675 2001-12-15 Akim Demaille <akim@epita.fr>
15676
15677 The header can also be produced directly, without any obstack!
15678 Yahoo!
15679
15680 * src/files.c, src/files.h (defines_obstack): Remove.
15681 (compute_header_macro): Global.
15682 (defines_obstack_save): Remove.
15683 * src/reader.c (parse_union_decl): No longer output to
15684 defines_obstack: its content can be found in the `stype' muscle
15685 anyway.
15686 (output_token_translations): Merge into...
15687 (symbols_output): this.
15688 Rename as...
15689 (symbols_save): this.
15690 (reader): Adjust.
15691 * src/output.c (header_output): New.
15692 (output): Call it.
15693
15694 2001-12-15 Akim Demaille <akim@epita.fr>
15695
15696 * src/reader.c (parse_union_decl): Instead of handling two obstack
15697 simultaneously, use one to define the `stype' muscle, and use the
15698 value of the latter to fill defines_obstack.
15699 (copy_comment): Remove.
15700 (copy_comment2): Work for a single obstack.
15701 Rename as...
15702 (copy_comment): this.
15703
15704 2001-12-15 Akim Demaille <akim@epita.fr>
15705
15706 * src/lex.c, src/lex.h (xgetc): No longer static.
15707 * src/reader.c (parse_union_decl): Revamp.
15708
15709 2001-12-15 Akim Demaille <akim@epita.fr>
15710
15711 Still making progress in separating Bison into (i) input, (ii)
15712 process, (iii) output: now we can directly output the parser file
15713 without using table_obstack at all.
15714
15715 * src/files.c, src/files.h (table_obstack): Bye bye.
15716 (parser_file_name): New.
15717 * src/files.c (compute_output_file_names): Compute it.
15718 * src/output.c (actions_output, output_parser)
15719 (output_master_parser): To a file instead of an obstack.
15720
15721 2001-12-15 Akim Demaille <akim@epita.fr>
15722
15723 Attach actions to rules, instead of pre-outputting them to
15724 actions_obstack.
15725
15726 * src/gram.h (rule_t): action and action_line are new members.
15727 * src/reader.c (symbol_list): Likewise.
15728 (copy_action): Save the actions within the rule.
15729 (packgram): Save them in rule_table.
15730 * src/output.c (actions_output): New.
15731 (output_parser): Use it on `%%actions'.
15732 (output_rule_data): Don't free rule_table.
15733 (output): Do it.
15734 (prepare): Don't save the `action' muscle.
15735 * src/bison.simple: s/%%action/%%actions/.
15736
15737 2001-12-15 Akim Demaille <akim@epita.fr>
15738
15739 * src/reader.c (copy_action): When --yacc, don't append a `;'
15740 to the user action: let it fail if lacking.
15741 Suggested by Arnold Robbins and Tom Tromey.
15742
15743 2001-12-14 Akim Demaille <akim@epita.fr>
15744
15745 * src/lex.c (literalchar): Simply return the char you decoded, non
15746 longer mess around with obstacks and int pointers.
15747 Adjust all callers.
15748
15749 2001-12-14 Akim Demaille <akim@epita.fr>
15750
15751 * src/lex.c (literalchar): Don't escape the special characters,
15752 just decode them, and keep them as char (before, eol was output as
15753 the 2 char string `\n' etc.).
15754 * src/output.c (output_rule_data): Use quotearg to output the
15755 token strings.
15756
15757 2001-12-13 Paul Eggert <eggert@twinsun.com>
15758
15759 * src/bison.simple (YYSIZE_T, YYSTACK_ALLOC, YYSTACK_FREE):
15760 Do not infringe on the global user namespace when using C++.
15761 (YYFPRINTF, YYSTDERR): New macros, needed for the above.
15762 All uses of `fprintf' and `stderr' changed.
15763
15764 * doc/bison.texinfo: Document YYFPRINTF, YYSTDERR.
15765
15766 2001-12-13 Akim Demaille <akim@epita.fr>
15767
15768 The computation of nullable is broken: it doesn't handle empty
15769 RHS's properly.
15770
15771 * tests/torture.at (GNU AWK Grammar): New.
15772 * tests/sets.at (Nullable): New.
15773 * src/nullable.c (set_nullable): Instead of blindly looping over
15774 `ritems', loop over the rules, and then over their rhs's.
15775
15776 Work around Autotest bugs.
15777
15778 * src/warshall.c (bitmatrix_print): Don't use `+--+' as table
15779 frame, because Autotest understand lines starting with a `+' as
15780 traces from the shell. Then, they are not processed properly.
15781 Admittedly an Autotest bug, but we don't have time to wait for
15782 Autotest to catch up.
15783 * tests/regression.at (Broken Closure): Adjust to the new table
15784 frames.
15785 Move to...
15786 * tests/sets.at: here.
15787
15788 2001-12-13 Akim Demaille <akim@epita.fr>
15789
15790 * src/closure.c (closure): Use nrules instead of playing tricks
15791 with BITS_PER_WORD.
15792
15793 2001-12-13 Akim Demaille <akim@epita.fr>
15794
15795 * src/print.c (print_actions): Output the handling of `$' as the
15796 traces do: shifting the token EOF. Before EOF was treated as a
15797 nonterminal.
15798 * tests/regression.at: Adjust some tests.
15799 * src/print_graph.c (print_core): Complete the set of items via
15800 closure. The next-to-final and final states are still unsatisfying,
15801 but that's to be addressed elsewhere.
15802 No longer output the rule numbers, but do output the state number.
15803 A single loop for the shifts + gotos is enough, but picked a
15804 distinct color for each.
15805 (print_graph): Initialize and finalize closure.
15806
15807 2001-12-13 Akim Demaille <akim@epita.fr>
15808
15809 * src/reader.c (readgram): Remove dead code, an strip useless
15810 braces.
15811 (get_type): Remove, unused.
15812
15813 2001-12-12 Akim Demaille <akim@epita.fr>
15814
15815 * src/complain.h, src/complain.c: Remove error_one_per_line, rely
15816 on that of lib/error.c.
15817
15818 2001-12-12 Akim Demaille <akim@epita.fr>
15819
15820 Some hosts don't like `/' in includes.
15821
15822 * src/system.h: Include libgettext.h without qualifying the path.
15823 * src/Makefile.am (INCLUDES): Add $(top_srcdir)/intl, remove
15824 $(top_srcdir).
15825
15826 2001-12-11 Marc Autret <autret_m@epita.fr>
15827
15828 * src/output.c (output_parser): Remove useless muscle.
15829
15830 2001-12-11 Marc Autret <autret_m@epita.fr>
15831
15832 * src/bison.simple: Remove #line just before %%epilogue. It
15833 is now handled in ...
15834 * src/reader.c (read_additionnal_code): Add the output of a
15835 #line for the epilogue.
15836
15837 2001-12-10 Marc Autret <autret_m@epita.fr>
15838
15839 * src/reader.c (copy_definition): Re-use CPP-outed code which
15840 replace precedent remove.
15841 * src/bison.simple: Remove #line before %%prologue because
15842 %%input-line is wrong at this time.
15843
15844 2001-12-10 Marc Autret <autret_m@epita.fr>
15845
15846 * src/reader.c (symbols_output): Clean up.
15847 * src/output.c (output_gram, output): Clean up.
15848
15849 2001-12-10 Akim Demaille <akim@epita.fr>
15850
15851 * src/lalr.c (initialize_lookaheads): New. Extracted from...
15852 * src/LR0.c (set_state_table): here.
15853 * src/lalr.c (lalr): Call it.
15854
15855 2001-12-10 Akim Demaille <akim@epita.fr>
15856
15857 * src/state.h (shifts): Remove the `number' member: shifts are
15858 attached to state, hence no longer need to be labelled with a
15859 state number.
15860
15861 2001-12-10 Akim Demaille <akim@epita.fr>
15862
15863 Now that states have a complete set of members, the linked list of
15864 shifts is useless: just fill directly the state's shifts member.
15865
15866 * src/state.h (shifts): Remove the `next' member.
15867 * src/LR0.c (first_state, last_state): Remove.
15868 Adjust the callers.
15869 (augment_automaton): Don't look for the shifts that must be added
15870 a shift on EOF: it is those of the state we looked for! But now,
15871 since shifts are attached, it is no longer needed to looking
15872 merely by its id: its number.
15873
15874 2001-12-10 Akim Demaille <akim@epita.fr>
15875
15876 * src/LR0.c (augment_automaton): Better variable locality.
15877 Remove an impossible branch: if there is a state corresponding to
15878 the start symbol being shifted, then there is shift for the start
15879 symbol from the initial state.
15880
15881 2001-12-10 Akim Demaille <akim@epita.fr>
15882
15883 * src/LR0.c (augment_automaton): Call `insert_eof_shifting_state'
15884 only when appropriate: when insert_start_shifting_state' is not
15885 invoked.
15886 * tests/regression.at (Rule Line Numbers): Adjust.
15887
15888 2001-12-10 Akim Demaille <akim@epita.fr>
15889
15890 * src/LR0.c (augment_automaton): Now that all states have shifts,
15891 merge the two cases addition shifts to the initial state.
15892
15893 2001-12-10 Akim Demaille <akim@epita.fr>
15894
15895 * src/lalr.c (set_state_table): Move to...
15896 * src/LR0.c: here.
15897 * src/lalr.c (lalr): Don't call it...
15898 * src/LR0.c (generate_states): do it.
15899 * src/LR0.h (first_state): Remove, only the table is used.
15900
15901 2001-12-10 Akim Demaille <akim@epita.fr>
15902
15903 * src/LR0.h (first_shift, first_reduction): Remove.
15904 * src/lalr.c: Don't use first_shift: find shifts through the
15905 states.
15906
15907 2001-12-10 Akim Demaille <akim@epita.fr>
15908
15909 * src/LR0.c: Attach shifts to states as soon as they are
15910 computed.
15911 * src/lalr.c (set_state_table): Instead of assigning shifts to
15912 state, just assert that the mapping was properly done.
15913
15914 2001-12-10 Akim Demaille <akim@epita.fr>
15915
15916 * src/LR0.c (insert_start_shift): Rename as...
15917 (insert_start_shifting_state): this.
15918 (insert_eof_shifting_state, insert_accepting_state): New.
15919 (augment_automaton): Adjust.
15920 Better locality of the variables.
15921 When looking if the start_symbol is shifted from the initial
15922 state, using `while (... symbol != start_symbol ...)' sounds
15923 better than `while (... symbol < start_symbol ...)': If fail
15924 to see how the order between symbols could be relevant!
15925
15926 2001-12-10 Akim Demaille <akim@epita.fr>
15927
15928 * src/getargs.h: Don't declare `spec_name_prefix' and
15929 `spec_file_prefix', declared by src/files.h.
15930 * src/files.c, src/files.h: Default for spec_name_prefix is "yy".
15931 * src/muscle_tab.c (muscle_init): Default prefix to NULL.
15932 * src/output.c (prepare): Adjust.
15933 * src/reader.c (symbols_output): Likewise.
15934 * src/vmsgetargs.c: Vaguely adjust, but who cares?
15935
15936 2001-12-10 Akim Demaille <akim@epita.fr>
15937
15938 * src/muscle_tab.c (muscle_init): NULL is a better default than
15939 `"0"'.
15940
15941 2001-12-10 Akim Demaille <akim@epita.fr>
15942
15943 * src/reader.c (reader): Calling symbols_output once is enough.
15944
15945 2001-12-10 Akim Demaille <akim@epita.fr>
15946
15947 Now that states have a complete set of members, the linked list of
15948 reductions is useless: just fill directly the state's reductions
15949 member.
15950
15951 * src/state.h (struct reductions): Remove member `number' and
15952 `next'.
15953 * src/LR0.c (first_reduction, last_reduction): Remove.
15954 (save_reductions): Don't link the new reductions, store them in
15955 this_state.
15956 * src/lalr.c (set_state_table): No need to attach reductions to
15957 states, it's already done.
15958 * src/output.c (output_actions): No longer free the shifts, then
15959 the reductions, then the states: free all the states and their
15960 members.
15961
15962 2001-12-10 Akim Demaille <akim@epita.fr>
15963
15964 * src/options.c (OPTN, DRTV, BOTH): New.
15965 (option_table): Use them.
15966
15967 * src/muscle_tab.c: Don't include xalloc.h and string.h: that's
15968 the job of system.h.
15969 * src/options.c: Don't include stdio.h and xalloc.h for the same
15970 reasons.
15971
15972 2001-12-10 Akim Demaille <akim@epita.fr>
15973
15974 * src/output.c (output, prepare): Make sure the values of the
15975 muscles `action' and `prologue' are 0-terminated.
15976
15977 2001-12-10 Akim Demaille <akim@epita.fr>
15978
15979 Clean up GCC warnings.
15980
15981 * src/reader.c (copy_action): `buf' is not used.
15982 (parse_skel_decl): Be static.
15983 * src/muscle_tab.c (mhash1, mhash2, muscle_insert): Preserve `const'.
15984 * src/options.h (create_long_option_table): Have a real prototype.
15985 * lib/hash.c, lib/hash.h (hash_insert, hash_insert_at, hash_delete)
15986 (hash_delete_at): Return const void *.
15987 Adjust casts to preserve the const.
15988
15989 2001-12-10 Akim Demaille <akim@epita.fr>
15990
15991 * configure.in: Require 2.52g.
15992 M4 is not needed, but AUTOM4TE is.
15993 * m4/m4.m4: Remove.
15994 * tests/Makefile.am: Adjust.
15995
15996 2001-12-10 Akim Demaille <akim@epita.fr>
15997
15998 One structure for states is enough, even though theoretically
15999 there are LR(0) states and LALR(1) states.
16000
16001 * src/lalr.h (state_t): Remove.
16002 (state_table): Be state_t **, not state_t *.
16003 * src/state.h (core, CORE_ALLOC): Rename as...
16004 (state_t, STATE_ALLOC): this.
16005 Add the LALR(1) members: shifts, reductions, errs.
16006 * src/LR0.c (state_table): Rename as...
16007 (state_hash): this, to avoid name clashes with the global
16008 `state_table'.
16009 * src/print_graph.c, src/LR0.c, src/LR0.h, src/conflicts.c
16010 * src/lalr.c, src/lalr.h, src/output.c, src/print.c: Adjust.
16011
16012 2001-12-10 Akim Demaille <akim@epita.fr>
16013
16014 Bison dumps core on bash.y.
16015 Reported by Pascal Bart.
16016
16017 * src/warshall.c (bitmatrix_print): New.
16018 (TC): Use it.
16019 When performing a transitive closure R(i, j) && R(j, k) => R(i, k),
16020 j must be the outer loop.
16021 * tests/regression.at (Broken Closure): New.
16022
16023 2001-12-05 Akim Demaille <akim@epita.fr>
16024
16025 * tests/atlocal.in (CPPFLAGS): Do not leave a space between -I and
16026 its argument.
16027 Reported by Peter Hamorsky.
16028
16029 2001-12-05 Akim Demaille <akim@epita.fr>
16030
16031 * src/conflicts.c (err_table): Remove.
16032 (resolve_sr_conflict): Adjust.
16033 * src/lalr.h (state_t.reduction_table, state_t.shift_table):
16034 Rename as...
16035 (state_t.reductions, state_t.shifts): this.
16036
16037 2001-12-05 Akim Demaille <akim@epita.fr>
16038
16039 * src/reduce.c (reduce_grammar_tables): No longer disable the
16040 removal of useless rules via CPP but via `if (0)', so that the
16041 compiler still check the code is valid.
16042 For instance, it should have noticed `rline' no longer exists: use
16043 the `line' member of rule_t.
16044 * src/gram.c (dummy, rline): Remove, unused.
16045
16046 2001-12-05 Akim Demaille <akim@epita.fr>
16047
16048 * src/output.c (pack_vector): Use assert, not berror.
16049 * src/main.c (berror): Remove, unused.
16050
16051 2001-12-05 Akim Demaille <akim@epita.fr>
16052
16053 New experimental feature: if --verbose --trace output all the
16054 items of a state, not only its kernel.
16055
16056 * src/print.c (print_core): If `trace_flag', then invoke closure
16057 before outputting the items of the state (print_core is no longer
16058 a correct name them).
16059 (print_results): Invoke new_closure/free_closure if needed.
16060
16061 2001-12-05 Akim Demaille <akim@epita.fr>
16062
16063 * src/LR0.c (new_itemsets): Use nshifts only, not shiftcount.
16064 * src/closure.c, src/closure.h (itemsetsize): Rename as...
16065 (nitemset): for consistency with the rest of the project.
16066
16067 2001-12-05 Akim Demaille <akim@epita.fr>
16068
16069 * src/closure.c (print_closure): Improve.
16070 (closure): Use it for printing input and output.
16071
16072 2001-12-05 Akim Demaille <akim@epita.fr>
16073
16074 * src/closure.c (FIRSTS, FDERIVES): Adjust to reality: they are
16075 indexed by nonterminals.
16076
16077 2001-12-05 Akim Demaille <akim@epita.fr>
16078
16079 * src/warshall.c (TC, RTC): De-obsfucate (source reduced to 22% of
16080 what it was!).
16081 * src/warshall.h: Remove accidental duplication of the content.
16082
16083 2001-12-05 Akim Demaille <akim@epita.fr>
16084
16085 * src/closure.c (set_fderives): De-obfuscate.
16086
16087 2001-12-05 Akim Demaille <akim@epita.fr>
16088
16089 * src/closure.c (print_firsts, print_fderives): De-obfuscate.
16090
16091 2001-12-05 Akim Demaille <akim@epita.fr>
16092
16093 * src/closure.c (set_firsts): De-obfuscate.
16094
16095 2001-12-05 Akim Demaille <akim@epita.fr>
16096
16097 * src/output.c (action_row): De-obfuscate
16098 using the good o' techniques: arrays not pointers, variable
16099 locality, BITISSET, RESETBIT etc.
16100
16101 2001-12-05 Akim Demaille <akim@epita.fr>
16102
16103 Pessimize the code to simplify it: from now on, all the states
16104 have a valid SHIFTS, which NSHIFTS is possibly 0.
16105
16106 * src/LR0.c (shifts_new): Be global and move to..
16107 * src/state.c, src/state.h: here.
16108 * src/conflicts, src/lalr.c, src/output.c, src/print.c,
16109 * src/print_graph: Adjust.
16110
16111 2001-12-05 Akim Demaille <akim@epita.fr>
16112
16113 * src/state.h (SHIFT_DISABLE, SHIFT_IS_DISABLED): New.
16114 * src/conflicts.c: Use it.
16115 Restore a few missing `if (!SHIFT_IS_DISABLED)' which were
16116 incorrectly ``simplified''.
16117
16118 2001-12-05 Akim Demaille <akim@epita.fr>
16119
16120 * src/conflicts.c (flush_shift, resolve_sr_conflict): De-obfuscate
16121 using the good o' techniques: arrays not pointers, variable
16122 locality, BITISSET, RESETBIT etc.
16123
16124 2001-12-05 Akim Demaille <akim@epita.fr>
16125
16126 * src/state.h (SHIFT_SYMBOL): New.
16127 * src/conflicts.c: Use it to deobfuscate.
16128
16129 2001-12-05 Akim Demaille <akim@epita.fr>
16130
16131 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts)
16132 (print_reductions): De-obfuscate using the good o' techniques:
16133 arrays not pointers, variable locality, BITISSET.
16134
16135 2001-12-05 Akim Demaille <akim@epita.fr>
16136
16137 * src/conflicts.c (print_reductions): Arrays, not pointers.
16138 Use BITISSET.
16139
16140 2001-12-05 Akim Demaille <akim@epita.fr>
16141
16142 * src/conflicts.c (print_reductions): Pessimize, but clarify.
16143
16144 2001-12-05 Akim Demaille <akim@epita.fr>
16145
16146 * src/conflicts.c (print_reductions): Improve variable locality.
16147
16148 2001-12-05 Akim Demaille <akim@epita.fr>
16149
16150 * src/conflicts.c (print_reductions): Pessimize, but clarify.
16151
16152 2001-12-05 Akim Demaille <akim@epita.fr>
16153
16154 * src/conflicts.c (print_reductions): Improve variable locality.
16155
16156 2001-12-05 Akim Demaille <akim@epita.fr>
16157
16158 * src/state.h (SHIFT_IS_ERROR, SHIFT_IS_GOTO, SHIFT_IS_SHIFT): New.
16159 * src/lalr.c: Use them.
16160
16161 2001-12-05 Akim Demaille <akim@epita.fr>
16162
16163 * src/LR0.c (augment_automaton): Formatting changes.
16164 Better variable locality.
16165
16166 2001-12-05 Akim Demaille <akim@epita.fr>
16167
16168 * src/lalr.c (matrix_print): New.
16169 (transpose): Use it.
16170 Use arrays instead of pointers.
16171
16172 2001-12-05 Akim Demaille <akim@epita.fr>
16173
16174 * src/lalr.c (maxrhs): Move to...
16175 * src/gram.c, src/gram.h (ritem_longest_rhs): here.
16176 * src/lalr.c (build_relations): Adjust.
16177
16178 2001-12-05 Akim Demaille <akim@epita.fr>
16179
16180 * src/lalr.c (transpose): Free the memory allocated to the
16181 argument, as it is replaced by the results by the unique caller.
16182 (build_relations): Merely invoke transpose: it handles the memory
16183 deallocation.
16184 Improve variable locality.
16185 Avoid variables used as mere abbreviations.
16186 (compute_lookaheads): Use arrays instead of pointers.
16187
16188 2001-12-05 Akim Demaille <akim@epita.fr>
16189
16190 * src/lalr.c (initialize_F): Improve variable locality.
16191 Avoid variables used as mere abbreviations.
16192
16193 2001-12-05 Akim Demaille <akim@epita.fr>
16194
16195 * src/derives.c (print_derives): Display the ruleno.
16196 * src/lalr.c (initialize_F, transpose): Better variable locality
16197 to improve readability.
16198 Avoid variables used as mere abbreviations.
16199
16200 2001-12-05 Akim Demaille <akim@epita.fr>
16201
16202 * src/lalr.c (traverse): Use arrays instead of pointers.
16203
16204 2001-12-05 Akim Demaille <akim@epita.fr>
16205
16206 * src/nullable.c (set_nullable): Use a for loop to de-obfuscate
16207 the handling of squeue.
16208 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
16209
16210 2001-12-05 Akim Demaille <akim@epita.fr>
16211
16212 Because useless nonterminals are now kept alive (instead of being
16213 `destroyed'), we now sometimes examine them, and store information
16214 related to them. Hence we need to know their number, and adjust
16215 memory allocations.
16216
16217 * src/reduce.c, src/reduce.h (nuseless_nonterminals): No longer
16218 static.
16219 * src/LR0.c (allocate_itemsets): The memory allocated to
16220 `symbol_count' was used for two different purpose: once to count
16221 the number of occurrences of each symbol, and later reassigned to
16222 `shift_symbol', containing the symbol that can be shifted from a
16223 given state.
16224 Deobfuscate, i.e., allocate, use and free `symbol_count' here
16225 only, and...
16226 (new_itemsets): Allocate `shift_symbol' here.
16227 (allocate_itemsets): symbol_count includes useless nonterminals.
16228 Make room for them.
16229 (free_storage): Use `free', not `XFREE', for pointers that cannot
16230 be null.
16231
16232 2001-12-05 Akim Demaille <akim@epita.fr>
16233
16234 * src/nullable.c (set_nullable): Deobfuscate the handling of
16235 ritem.
16236 `symbol >= 0' is wrong now, use `rule_table[ruleno].useful'.
16237
16238 2001-12-05 Akim Demaille <akim@epita.fr>
16239
16240 * src/gram.c, src/gram.h (ritem_print): New.
16241 * src/gram.c (dummy): Remove, now there is actual code in gram.c.
16242 (This useless function was defined only to work around VMS linkers
16243 that can't handle compilation units with variables only).
16244 * src/reduce.c (dump_grammar): Use it to trace the construction of
16245 ritem.
16246
16247 2001-12-04 Paul Eggert <eggert@twinsun.com>
16248
16249 * src/bison.simple (union yyalloc): Change member names
16250 to be the same as the stack names.
16251 (yyparse): yyptr is now union yyalloc *, not char *.
16252 (YYSTACK_RELOCATE): Likewise. This avoids a GCC warning,
16253 and may generate better code on some machines.
16254 (yystpcpy): Use prototype if __STDC__ is defined, not just
16255 if __cplusplus is defined.
16256
16257 2001-11-30 Akim Demaille <akim@epita.fr>
16258
16259 * configure.in (WARNING_CFLAGS): Add -Werror when possible.
16260 (CFLAGS): Do not include the WARNING_CFLAGS here, since GNU
16261 Gettext doesn't compile cleanly, and dies with -Werror.
16262 * src/Makefile.am, lib/Makefile.am, tests/atlocal.in (CFLAGS):
16263 Include WARNING_CFLAGS here.
16264 * lib/xstrdup.c: Include xalloc.h, so that xstrdup be declared
16265 before being defined.
16266
16267 2001-11-27 Paul Eggert <eggert@twinsun.com>
16268
16269 * lib/quotearg.h (quotearg_n, quotearg_n_style):
16270 First arg is int, not unsigned.
16271 * lib/quotearg.c (quotearg_n, quotearg_n_style): Likewise.
16272 (SIZE_MAX, UINT_MAX): New macros.
16273 (quotearg_n_options): Abort if N is negative.
16274 Avoid overflow check on hosts where size_t is 64 bits and int
16275 is 32 bits, as overflow is impossible there.
16276 Fix off-by-one typo that caused unnecessary reallocation.
16277
16278 2001-11-29 Paul Eggert <eggert@twinsun.com>
16279
16280 Name space cleanup in generated parser.
16281
16282 * doc/bison.texinfo (Bison Parser): Discuss system headers
16283 and their effect on the user name space.
16284
16285 * src/bison.simple:
16286 (YYSTACK_ALLOC, YYSTACK_FREE, union yyalloc, YYSTACK_GAP_MAX,
16287 YYSTACK_BYTES, YYSTACK_RELOCATE): Do not define unless necessary,
16288 i.e. unless ! defined (yyoverflow) || defined (YYERROR_VERBOSE).
16289
16290 (YYSIZE_T): New macro. Use it instead of size_t, to avoid infringing
16291 on user names when possible.
16292
16293 (YYSTACK_USE_ALLOCA): Do not define; just use any existing defn.
16294 Simplify test for whather <alloca.h> exists.
16295
16296 (<stdlib.h>): Include if we will use malloc, and if standard C or C++.
16297
16298 (<stdio.h>): Include if YYDEBUG.
16299
16300 (yymemcpy): Renamed from __yy_memcpy. Do not define unless
16301 ! defined (yyoverflow) && ! defined (yymemcpy).
16302
16303 (yymemcpy, yyparse): Rename local variables as needed so that
16304 they all begin with 'yy'.
16305
16306 (yystrlen, yystpcpy): New functions.
16307
16308 (YY_DECL_NON_LSP_VARIABLES): Renamed from _YY_DECL_VARIABLES.
16309 All uses changed.
16310
16311 (yyparse): size_t -> YYSIZE_T. Use yystrlen and yystpcpy
16312 instead of relying on string.h functions. Use YYSTACK_ALLOC
16313 and YYSTACK_FREE instead of malloc and free.
16314
16315 2001-11-30 Akim Demaille <akim@epita.fr>
16316
16317 * src/bison.simple (YYSTYPE, YYLTYPE): Move their definitions
16318 before their first uses.
16319 (YYBISON, YYPURE): Move to the top of the output.
16320
16321 2001-11-30 Akim Demaille <akim@epita.fr>
16322
16323 * tests/reduce.at (Useless Nonterminals): Fix.
16324
16325 2001-11-30 Akim Demaille <akim@epita.fr>
16326
16327 * src/bison.simple (YYSTACK_FREE): Use `do {;} while (0)' as empty
16328 if body instead of `;' to pacify GCC's warnings.
16329
16330 2001-11-30 Akim Demaille <akim@epita.fr>
16331
16332 Instead of mapping the LHS of unused rules to -1, keep the LHS
16333 valid, but flag the rules as invalid.
16334
16335 * src/gram.h (rule_t): `useful' is a new member.
16336 * src/print.c (print_grammar): Adjust.
16337 * src/derives.c (set_derives): Likewise.
16338 * src/reader.c (packgram, reduce_output): Likewise.
16339 * src/reduce.c (reduce_grammar_tables): Likewise.
16340 * tests/reduce.at (Underivable Rules, Useless Rules): New.
16341
16342 2001-11-30 Akim Demaille <akim@epita.fr>
16343
16344 * src/reduce.c (reduce_output): Formatting changes.
16345 * src/print.c (print_results, print_grammar): Likewise.
16346 * tests/regression.at (Rule Line Numbers)
16347 (Solved SR Conflicts, Unresolved SR Conflicts): Adjust.
16348
16349 2001-11-30 Akim Demaille <akim@epita.fr>
16350
16351 * src/reduce.c (nonterminals_reduce): Instead of throwing away
16352 useless nonterminals, move them at the end of the symbol arrays.
16353 (reduce_output): Adjust.
16354 * tests/reduce.at (Useless Nonterminals): Adjust.
16355
16356 2001-11-30 Akim Demaille <akim@epita.fr>
16357
16358 * src/reduce.c: Various comment/formatting changes.
16359 (nonterminals_reduce): New, extracted from...
16360 (reduce_grammar_tables): here.
16361 (reduce_grammar): Call nonterminals_reduce.
16362
16363 2001-11-29 Paul Eggert <eggert@twinsun.com>
16364
16365 * src/bison.simple (YYSTACK_REALLOC): Remove.
16366 (YYSTACK_ALLOC): Resurrect this macro, with its old meaning.
16367 (YYSTACK_FREE, YYSTACK_GAP_MAX, YYSTACK_BYTES, YYSTACK_RELOCATE):
16368 New macros.
16369 (union yyalloc): New type.
16370 (__yy_memcpy): Last arg is size_t, not unsigned int, to remove
16371 an arbitrary restriction on hosts where size_t is wider than int.
16372
16373 (yyparse): Don't dump core if alloca or malloc fails; instead, report
16374 a parser stack overflow. Allocate just one block of memory for all
16375 three stacks, instead of allocating three blocks; this typically is
16376 faster and reduces fragmentation.
16377
16378 Do not limit the number of items in the stack to a value that fits
16379 in 'int', as this is an arbitrary limit on hosts with 64-bit
16380 size_t and 32-bit int.
16381
16382 2001-11-29 Marc Autret <autret_m@epita.fr>
16383
16384 * tests/calc.at [AT_DATA_CALC_Y]: Use %error-verbose instead
16385 of defining YYERROR_VERBOSE.
16386 [AT_DATA]: $4 is now out of C declarations in the prologue.
16387
16388 2001-11-28 Marc Autret <autret_m@epita.fr>
16389
16390 * src/reader.c (parse_dquoted_param): New.
16391 (parse_skel_decl): Use it.
16392 * src/lex.h: Add its prototype.
16393 * src/lex.c (literalchar): Become not static.
16394
16395 2001-11-28 Marc Autret <autret_m@epita.fr>
16396
16397 * src/output.h: And put its extern declaration here.
16398 * src/output.c (error_verbose): Define here.
16399 (prepare): Echo name modification.
16400 * src/getargs.h: Clean its extern declaration.
16401 * src/getargs.c (error_verbose_flag): Remove.
16402 (getargs): Remove case 'e'.
16403 * src/options.c (option_table): 'error-verbose' is now seen as simple
16404 percent option.
16405 Include output.h.
16406
16407 * src/reader.c (read_declarations): Remove case tok_include.
16408 (parse_include_decl): Remove.
16409 * src/lex.h (token_t): Remove tok_include.
16410 * src/options.c (option_table): 'include' is now a simple command line
16411 option.
16412
16413 2001-11-28 Marc Autret <autret_m@epita.fr>
16414
16415 * src/bison.simple: Adjust muscle names.
16416 * src/muscle_tab.c (muscle_init): Also rename the muscles.
16417 * src/output.c (prepare): s/_/-/ for the muscles names.
16418 (output_parser): When scanning for a muscle, allow '-' instead of '_'.
16419
16420 2001-11-28 Marc Autret <autret_m@epita.fr>
16421
16422 * src/bison.simple: Fix debug.
16423 [YYERROR_VERBOSE]: Re-integrate as an internal macro.
16424
16425 2001-11-28 Akim Demaille <akim@epita.fr>
16426
16427 * src/LR0.c (shifts_new): New.
16428 (save_shifts, insert_start_shift, augment_automaton): Use it.
16429
16430 2001-11-28 Akim Demaille <akim@epita.fr>
16431
16432 * src/closure.c (closure): `b' and `ruleno' denote the same value:
16433 keep ruleno only.
16434
16435 2001-11-28 Akim Demaille <akim@epita.fr>
16436
16437 * src/closure.c (closure): Instead of looping over word in array
16438 then bits in words, loop over bits in array.
16439
16440 2001-11-28 Akim Demaille <akim@epita.fr>
16441
16442 * src/closure.c (closure): No longer optimize the special case
16443 where all the bits of `ruleset[r]' are set to 0, to make the code
16444 clearer.
16445
16446 2001-11-28 Akim Demaille <akim@epita.fr>
16447
16448 * src/closure.c (closure): `r' and `c' are new variables, used to
16449 de-obfuscate accesses to RULESET and CORE.
16450
16451 2001-11-28 Akim Demaille <akim@epita.fr>
16452
16453 * src/reduce.c (reduce_print): Use ngettext.
16454 (dump_grammar): Improve the trace accuracy.
16455
16456 2001-11-28 Akim Demaille <akim@epita.fr>
16457
16458 * src/reduce.c (dump_grammar): Don't translate trace messages.
16459
16460 2001-11-28 Akim Demaille <akim@epita.fr>
16461
16462 * tests/reduce.at (Useless Terminals, Useless Nonterminals): New.
16463 * src/reduce.c (reduce_grammar_tables): Do not free useless tags,
16464 as all tags are free'ed afterwards.
16465 From Enrico Scholz.
16466
16467 2001-11-27 Paul Eggert <eggert@twinsun.com>
16468
16469 * src/bison.simple (YYSTACK_REALLOC): Fix typo that caused us to
16470 use alloca when we didn't want to, and vice versa.
16471
16472 2001-11-27 Marc Autret <autret_m@epita.fr>
16473
16474 * src/muscle_tab.c (muscle_init): Remove 'verbose' muscle
16475 initialization.
16476 * src/output.c (prepare): Remove its update.
16477
16478 2001-11-27 Marc Autret <autret_m@epita.fr>
16479
16480 * tests/torture.at [AT_DATA]: Remove YYERROR_VERBOSE definition.
16481 Use %error-verbose.
16482
16483 2001-11-27 Marc Autret <autret_m@epita.fr>
16484
16485 * src/bison.simple: Remove YYERROR_VERBOSE using.
16486 Use %%error_verbose.
16487 (yyparse): Likewise.
16488 * src/output.c (prepare): Give its final value.
16489 * src/muscle_tab.c (muscle_init): Init new muscle 'error_verbose'.
16490 * src/getargs.h: Add its extern declaration.
16491 * src/getargs.c (error_verbose_flag): New int.
16492 (getargs): Update to catch new case.
16493 * src/options.c (option_table): 'error-verbose' is a new option.
16494 (shortopts): Update.
16495
16496 2001-11-27 Akim Demaille <akim@epita.fr>
16497
16498 * src/system.h: Use intl/libgettext.h.
16499 * src/Makefile.am (INCLUDES): Add -I $(top_srcdir).
16500
16501 2001-11-27 Akim Demaille <akim@epita.fr>
16502
16503 * tests/torture.at (Exploding the Stack Size with Malloc):
16504 s/YYSTACK_USE_ALLOCA_ALLOCA/YYSTACK_USE_ALLOCA/.
16505
16506 2001-11-27 Akim Demaille <akim@epita.fr>
16507
16508 * src/files.c: Include error.h.
16509 Reported by Hans Aberg.
16510
16511 2001-11-26 Marc Autret <autret_m@epita.fr>
16512
16513 * src/reader.c (parse_include_decl): New, not yet implemented.
16514 (read_declarations): Add case tok_include.
16515 * src/getargs.h (include): Add its extern definition.
16516 * src/getargs.c (include): New const char *.
16517 (getargs): Add case '-I'.
16518 * src/options.c (option_table): Add include as command line and
16519 percent option.
16520 * src/lex.h (token_t): Add tok_include.
16521
16522 2001-11-26 Akim Demaille <akim@epita.fr>
16523
16524 * src/reader.c (readgram): Make sure rules for mid-rule actions
16525 have a lineno equal to that of their host rule.
16526 Reported by Hans Aberg.
16527 * tests/regression.at (Rule Line Numbers): New.
16528
16529 2001-11-26 Akim Demaille <akim@epita.fr>
16530
16531 * src/LR0.c (allocate_itemsets): kernel_size contains ints, not
16532 size_ts.
16533
16534 2001-11-26 Akim Demaille <akim@epita.fr>
16535
16536 * src/complain.c, src/complain.h (error): Remove, provided by
16537 lib/error.[ch].
16538
16539 2001-11-26 Akim Demaille <akim@epita.fr>
16540
16541 * src/reader.c (read_declarations): Don't abort on tok_illegal,
16542 issue an error message.
16543 * tests/regression.at (Invalid %directive): New.
16544 Reported by Hans Aberg.
16545
16546 2001-11-26 Akim Demaille <akim@epita.fr>
16547
16548 * configure.in: Invoke AC_FUNC_OBSTACK and AC_FUNC_ERROR_AT_LINE.
16549 * lib/Makefile.am (libbison_a_SOURCES): Adjust.
16550
16551 2001-11-26 Akim Demaille <akim@epita.fr>
16552
16553 * src/conflicts.c (conflicts_print): Don't complain at all when
16554 there are no reduce/reduce conflicts, and as many shift/reduce
16555 conflicts as expected.
16556 * tests/regression.at (%expect right): Adjust.
16557
16558 2001-11-23 Akim Demaille <akim@epita.fr>
16559
16560 * lib/alloca.c: Update, from fileutils.
16561
16562 2001-11-23 Akim Demaille <akim@epita.fr>
16563
16564 * lib/Makefile.am (libbison_a_LIBADD): Add @ALLOCA@.
16565
16566 2001-11-23 Akim Demaille <akim@epita.fr>
16567
16568 * src/system.h: Include alloca.h.
16569 * src/main.c (main) [C_ALLOCA]: Call alloca (0).
16570
16571 2001-11-23 Akim Demaille <akim@epita.fr>
16572
16573 * src/print_graph.c (print_actions): Remove `rule', unused.
16574 * src/LR0.c (kernel_size): Contain `int' instead of `size_t' to
16575 pacify GCC's signed < unsigned warnings.
16576 * src/closure.c (itemsetsize): Likewise.
16577 * src/reader.c (symbol_list_new): Static.
16578
16579 2001-11-23 Akim Demaille <akim@epita.fr>
16580
16581 Attaching lineno to buckets is stupid, since only one copy of each
16582 symbol is kept, only the line of the first occurrence is kept too.
16583
16584 * src/symtab.h, src/symtab.c (bucket): Remove the line member.
16585 * src/reader.c (rline_allocated): Remove, unused.
16586 (symbol_list): Have a `line' member.
16587 (symbol_list_new): New.
16588 (readgram): Use it.
16589 * src/print.c (print_grammar): Output the rule line numbers.
16590 * tests/regression.at (Solved SR Conflicts)
16591 (Unresolved SR Conflicts): Adjust.
16592 Reported by Hans Aberg.
16593
16594 2001-11-22 Marc Autret <autret_m@epita.fr>
16595
16596 * src/bison.simple [YYERROR_VERBOSE]: Force its value to be 1 or 0.
16597
16598 2001-11-22 Marc Autret <autret_m@epita.fr>
16599
16600 * src/muscle_tab.c (muscle_init): Remove initialization of
16601 skeleton muscle.
16602 * src/output.c (output_master_parser): Do it here.
16603
16604 2001-11-20 Akim Demaille <akim@epita.fr>
16605
16606 * po/sv.po: New.
16607 * configure.in (ALL_LINGUAS): Adjust.
16608 * po/POTFILE.in: Remove `nullable.c' and `derives.c' which no
16609 longer contains strings to translate.
16610
16611 2001-11-19 Akim Demaille <akim@epita.fr>
16612
16613 * src/conflicts.c (conflicts_print): Add a missing \n.
16614
16615 2001-11-19 Akim Demaille <akim@epita.fr>
16616
16617 * src/nullable.c (nullable_print): New.
16618 (set_nullable): Call it when tracing.
16619 Better locality of variables.
16620
16621 2001-11-19 Akim Demaille <akim@epita.fr>
16622
16623 * src/print.c (print_actions): Better locality of variables.
16624
16625 2001-11-19 Akim Demaille <akim@epita.fr>
16626
16627 * src/derives.c (print_derives): Fix and enrich.
16628 * src/closure.c (print_fderives): Likewise.
16629
16630 2001-11-19 Akim Demaille <akim@epita.fr>
16631
16632 * src/closure.c (itemsetend): Remove, replaced with...
16633 (itemsetsize): new.
16634
16635 2001-11-19 Akim Demaille <akim@epita.fr>
16636
16637 * src/LR0.c (kernel_end): Remove, replaced with...
16638 (kernel_size): new.
16639
16640 2001-11-19 Akim Demaille <akim@epita.fr>
16641
16642 * src/conflicts.c (set_conflicts): Use arrays instead of pointers
16643 to clarify.
16644
16645 2001-11-19 Akim Demaille <akim@epita.fr>
16646
16647 * src/closure.c (closure): Use arrays instead of pointers to clarify.
16648
16649 2001-11-19 Akim Demaille <akim@epita.fr>
16650
16651 * src/closure.c, src/derives.c, src/nullable.c: Adjust various
16652 trace messages.
16653 * src/LR0.c: Likewise.
16654 (allocate_itemsets): Use arrays instead of pointers to clarify.
16655
16656 2001-11-19 Akim Demaille <akim@epita.fr>
16657
16658 * src/getargs.c (statistics_flag): Replace with...
16659 (trace_flag): New.
16660 (longopts): Accept --trace instead of --statistics.
16661 * src/getargs.h, src/options.c: Adjust.
16662 * src/LR0.c, src/closure.c, src/derives.c, src/nullable.c,
16663 * src/reduce.c: Use trace_flags instead of the CPP conditional TRACE.
16664
16665 2001-11-19 Akim Demaille <akim@epita.fr>
16666
16667 * src/LR0.c (new_itemsets, get_state): Use more arrays and fewer
16668 pointers to clarify the code.
16669 (save_reductions, save_shifts): Factor common parts of alternatives.
16670
16671 2001-11-19 Akim Demaille <akim@epita.fr>
16672
16673 * src/LR0.c (new_state, get_state): Complete TRACE code.
16674 * src/closure.c: Include `reader.h' to get `tags', needed by the
16675 trace code.
16676 Rename the conditional DEBUG as TRACE.
16677 Output consistently TRACEs to stderr, not stdout.
16678 * src/derives.c: Likewise.
16679 * src/reduce.c: (inaccessable_symbols): Using if is better style
16680 than goto.
16681 Use `#if TRACE' instead of `#if 0' for tracing code.
16682
16683 2001-11-19 Akim Demaille <akim@epita.fr>
16684
16685 * src/system.h (LIST_FREE, shortcpy): New.
16686 * src/LR0.c: Use them.
16687 * src/output.c (free_itemsets, free_reductions, free_shifts):
16688 Remove, replaced by LIST_FREE.
16689
16690 2001-11-19 Akim Demaille <akim@epita.fr>
16691
16692 * src/state.h (CORE_ALLOC, SHIFTS_ALLOC, ERRS_ALLOC)
16693 (REDUCTIONS_ALLOC): New.
16694 * src/LR0.c, src/conflicts.c: Use them to de-obfuscate memory
16695 allocation.
16696
16697 2001-11-19 Akim Demaille <akim@epita.fr>
16698
16699 * src/LR0.c (new_state): Complete trace code.
16700 * src/nullable.c (set_nullable): Don't translate traces.
16701
16702 2001-11-19 Akim Demaille <akim@epita.fr>
16703
16704 * src/print_graph.c (print_core): Better locality of variables.
16705 * src/print.c (print_core): Likewise.
16706
16707 2001-11-19 Akim Demaille <akim@epita.fr>
16708
16709 * src/vcg.c: You do the output, so you are responsible of the
16710 handling of VCG syntax, in particular: use quotearg.
16711 * src/print_graph.c: Don't.
16712 (print_actions): Don't output the actions as part of the nodes,
16713 since that's the job of the edges.
16714 (print_state): Don't output by hand: fill the node description,
16715 and ask for its output.
16716
16717 2001-11-19 Akim Demaille <akim@epita.fr>
16718
16719 * src/bison.simple (yyparse): When verbosely reporting an error,
16720 no longer put additional quotes around token names.
16721 * tests/calc.at: Adjust.
16722
16723 2001-11-19 Akim Demaille <akim@epita.fr>
16724
16725 * src/symtab.h, src/symtab.c: `line' is a new member of `bucket'.
16726 * src/reader.c (record_rule_lines, rline, rline_allocated): Remove.
16727 * src/output.c: Adjust.
16728
16729 2001-11-19 Akim Demaille <akim@epita.fr>
16730
16731 * src/gram.h (rprec, rprecsym, rassoc): Remove, now part of...
16732 (rule_t): this.
16733 * src/conflicts.c, src/reader.c, src/reduce.c: Adjust.
16734
16735 2001-11-19 Akim Demaille <akim@epita.fr>
16736
16737 * src/gram.h (rule_t): New.
16738 (rule_table): New.
16739 (rrhs, rlhs): Remove, part of state_t.
16740 * src/print_graph.c, src/closure.c, src/conflicts.c, src/derives.c,
16741 * src/lalr.c, src/nullable.c, src/output.c, src/print.c,
16742 * src/reader.c, src/reduce.c: Adjust.
16743
16744 2001-11-19 Akim Demaille <akim@epita.fr>
16745
16746 * src/reader.c (symbols_output): New, extracted from...
16747 (packsymbols): Here.
16748 (reader): Call it.
16749
16750 2001-11-19 Akim Demaille <akim@epita.fr>
16751
16752 * src/lalr.c (set_maxrhs, maxrhs): Remove, replaced with...
16753 (maxrhs): this new function.
16754
16755 2001-11-19 Akim Demaille <akim@epita.fr>
16756
16757 * src/lalr.c (F): New macro to access the variable F.
16758 Adjust.
16759
16760 2001-11-19 Akim Demaille <akim@epita.fr>
16761
16762 * src/lalr.h (LA): New macro to access the variable LA.
16763 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
16764 * src/lalr.c: Adjust.
16765
16766 2001-11-19 Akim Demaille <akim@epita.fr>
16767
16768 * src/lalr.c (initialize_LA): Only initialize LA. Let...
16769 (set_state_table): handle the `lookaheads' members.
16770
16771 2001-11-19 Akim Demaille <akim@epita.fr>
16772
16773 * src/lalr.h (lookaheads): Removed array, whose contents is now
16774 a member of...
16775 (state_t): this structure.
16776 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
16777 Adjust.
16778
16779 2001-11-19 Akim Demaille <akim@epita.fr>
16780
16781 * src/lalr.h (consistent): Removed array, whose contents is now
16782 a member of...
16783 (state_t): this structure.
16784 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
16785 Adjust.
16786
16787 2001-11-19 Akim Demaille <akim@epita.fr>
16788
16789 * src/lalr.h (reduction_table, shift_table): Removed arrays, whose
16790 contents are now members of...
16791 (state_t): this structure.
16792 * src/output.c, src/lalr.c, src/print_graph.c, src/conflicts.c:
16793 Adjust.
16794
16795 2001-11-19 Akim Demaille <akim@epita.fr>
16796
16797 * src/lalr.h (state_t): New.
16798 (state_table): Be a state_t * instead of a core **.
16799 (accessing_symbol): Remove, part of state_t.
16800 * src/lalr.c: Adjust.
16801 (set_accessing_symbol): Merge into...
16802 (set_state_table): this.
16803 * src/print_graph.c, src/conflicts.c: Adjust.
16804
16805 2001-11-14 Akim Demaille <akim@epita.fr>
16806
16807 * tests/calc.at, tests/output.at, tests/regression.at,
16808 * tests/testsuite.at, tests/torture.at: Rely on Autotest 2.52g:
16809 now the tests are run in private dirs, therefore AC_CLEANUP and
16810 family can be simplified to 0-ary.
16811 * tests/atlocal.in: Now that we run `elsewhere' than in tests/,
16812 use abs. path to find config.h.
16813 * tests/calc.at (AT_CHECK_CALC): Don't try to check the compiler's
16814 stderr, there can be way too much random noise.
16815 Instead pass -Werror to GCC and rely on the exit status.
16816 Reported by Wolfram Wagner.
16817
16818 2001-11-14 Akim Demaille <akim@epita.fr>
16819
16820 * src/bison.simple (yyparse): Let yyls1, yyss1 and yyvs1 be
16821 defined only if yyoverflow is defined, to avoid `warning: unused
16822 variable `yyvs1''.
16823 Reported by The Test Suite.
16824
16825 2001-11-14 Akim Demaille <akim@epita.fr>
16826
16827 * src/print.c: Include reduce.h.
16828 Reported by Hans Aberg.
16829
16830 2001-11-14 Akim Demaille <akim@epita.fr>
16831
16832 * src/lex.c, src/lex.h (token_buffer, unlexed_token_buffer):
16833 Revert a previous patch: these are really const.
16834 * src/conflicts.c (conflict_report): Additional useless pair of
16835 braces to pacify GCC's warnings for `if () if () {} else {}'.
16836 * src/lex.c (parse_percent_token): Replace equal_offset with
16837 arg_offset.
16838 arg is const.
16839 Be sure to strdup `arg' when used, since there is no reason for
16840 token_buffer not to change.
16841
16842 2001-11-14 Akim Demaille <akim@epita.fr>
16843
16844 * src/system.h (EXIT_SUCCESS, EXIT_FAILURE): Ensure a proper
16845 definition.
16846 * src/main.c (main): Use them.
16847 Suggested by Hans Aberg.
16848
16849 2001-11-12 Akim Demaille <akim@epita.fr>
16850
16851 * src/system.h (ngettext): Now that we use ngettext, be sure to
16852 provide a default definition when NLS are not used.
16853
16854 2001-11-12 Akim Demaille <akim@epita.fr>
16855
16856 * doc/bison.texinfo: Use `$' as shell prompt, not `%'.
16857 Use @kbd to denote user input.
16858 (Language and Grammar): ANSIfy the example.
16859 Adjust its layout for info/notinfo.
16860 (Location Tracking Calc): Output error messages to stderr.
16861 Output locations in a more GNUtically correct way.
16862 Fix a couple of Englishos.
16863 Adjust @group/@end group pairs.
16864
16865 2001-11-12 Akim Demaille <akim@epita.fr>
16866
16867 %expect was not functioning at all.
16868
16869 * src/conflicts.c (expected_conflicts): Set to -1.
16870 (conflict_report): Use ngettext.
16871 (conflicts_print): Check %expect and make its violation an error.
16872 * doc/bison.texinfo (Expect Decl): Adjust.
16873 * configure.in (AM_GNU_GETTEXT): Ask for ngettext.
16874 * tests/regression.at (%expect not enough, %expect right)
16875 (%expect too much): New.
16876
16877 2001-11-12 Akim Demaille <akim@epita.fr>
16878
16879 * tests/regression.at (Conflicts): Rename as...
16880 (Unresolved SR Conflicts): this.
16881 (Solved SR Conflicts): New.
16882
16883 2001-11-12 Akim Demaille <akim@epita.fr>
16884
16885 * src/reduce.c (print_results): Rename as...
16886 (reduce_output): This.
16887 Output to OUT, passed as argument, instead of output_obstack.
16888 (dump_grammar): Likewise.
16889 (reduce_free): New.
16890 Also free V1.
16891 (reduce_grammar): No longer call reduce_output, since...
16892 * src/print.c (print_results): do it.
16893 * src/main.c (main): Call reduce_free;
16894
16895 2001-11-12 Akim Demaille <akim@epita.fr>
16896
16897 * src/conflicts.c (print_reductions): Accept OUT as argument.
16898 Output to it, not to output_obstack.
16899 * src/print.c (print_actions): Adjust.
16900
16901 2001-11-12 Akim Demaille <akim@epita.fr>
16902
16903 * src/conflicts.c (count_sr_conflicts, count_rr_conflicts): Return
16904 the result instead of using...
16905 (src_total, rrc_total, src_count, rrc_count): Remove.
16906 (any_conflicts): Remove.
16907 (print_conflicts): Split into...
16908 (conflicts_print, conflicts_output): New.
16909 * src/conflicts.h: Adjust.
16910 * src/main.c (main): Invoke both conflicts_output and conflicts_print.
16911 * src/print.c (print_grammar): Issue `\n' between two rules.
16912 * tests/regression.at (Conflicts): New.
16913 Reported by Tom Lane.
16914
16915 2001-11-12 Akim Demaille <akim@epita.fr>
16916
16917 * tests/regression.at (Invalid input): Remove, duplicate with
16918 ``Invalid input: 1''.
16919
16920 2001-11-12 Akim Demaille <akim@epita.fr>
16921
16922 * tests/torture.at (AT_DATA_STACK_TORTURE)
16923 (Exploding the Stack Size with Alloca)
16924 (Exploding the Stack Size with Malloc): New.
16925
16926 2001-11-12 Akim Demaille <akim@epita.fr>
16927
16928 * src/bison.simple (YYSTACK_REALLOC): New.
16929 (yyparse) [!yyoverflow]: Use it and free the old stack.
16930 Reported by Per Allansson.
16931
16932 2001-11-12 Pascal Bart <pascal.bart@epita.fr>
16933
16934 * src/bison.simple: Define type yystype instead of YYSTYPE, and
16935 define CPP macro, which substitute YYSTYPE by yystype.
16936 * src/reader.c (parse_union_decl): Output yystype/YYSTYPE as we do
16937 with yyltype/YYLTYPE. This allows inclusion of the generated
16938 header within the parser if the compiler, such as GGC, accepts
16939 multiple equivalent #defines.
16940 From Akim.
16941
16942 2001-11-05 Akim Demaille <akim@epita.fr>
16943
16944 * src/reader.c (symbols_output): New, extracted from...
16945 (packsymbols): here.
16946 (reader): Adjust.
16947
16948 2001-11-05 Akim Demaille <akim@epita.fr>
16949
16950 * src/lex.c (parse_percent_token): s/quotearg/quote/.
16951
16952 2001-11-05 Akim Demaille <akim@epita.fr>
16953
16954 * tests/regression.at (AT_TEST_CPP_GUARD_H): Adjust the clean up
16955 pattern.
16956
16957 2001-11-05 Akim Demaille <akim@epita.fr>
16958
16959 * src/options.h (struct option_table_struct): set_flags is void*.
16960 * src/options.c (longopts): Support `--output' and `%output'.
16961 (usage): Adjust.
16962 * src/lex.h (tok_setopt): Remove, replaced with...
16963 (tok_intopt, tok_stropt): these new guys.
16964 * src/lex.c (getopt.h): Not needed.
16965 (token_buffer, unlexed_token_buffer): Not const.
16966 (percent_table): Promote `-' over `_' in directive names.
16967 Active `%name-prefix', `file-prefix', and `output'.
16968 (parse_percent_token): Accept possible arguments to directives.
16969 Promote `-' over `_' in directive names.
16970
16971 2001-11-04 Akim Demaille <akim@epita.fr>
16972
16973 * doc/bison.texinfo (Decl Summary): Split the list into
16974 `directives for grammars' and `directives for bison'.
16975 Sort'em.
16976 Add description of `%name-prefix', `file-prefix', and `output'.
16977 Promote `-' over `_' in directive names.
16978 (Bison Options): s/%locactions/%locations/. Nice Freudian slip.
16979 Simplify the description of `--name-prefix'.
16980 Promote `-' over `_' in directive names.
16981 Promote `--output' over `--output-file'.
16982 Fix the description of `--defines'.
16983 * tests/output.at: Exercise %file-prefix and %output.
16984
16985 2001-11-02 Akim Demaille <akim@epita.fr>
16986
16987 * doc/refcard.tex: Update.
16988
16989 2001-11-02 Akim Demaille <akim@epita.fr>
16990
16991 * src/symtab.h (SUNDEF): New.
16992 * src/symtab.c (bucket_new): Init user_token_number to SUNDEF to
16993 stand for `uninitialized', instead of 0.
16994 * src/reader.c (packsymbols, parse_thong_decl): Adjust.
16995 * src/lex.c (lex): Adjust.
16996
16997 * tests/calc.at (_AT_DATA_CALC_Y): Declare a token for EOF.
16998 Number it 0.
16999 Let yylex return it instead of a plain 0.
17000 Reported by Dick Streefland.
17001
17002 2001-11-02 Akim Demaille <akim@epita.fr>
17003
17004 * tests/regression.at (Mixing %token styles): New test.
17005
17006 2001-11-02 Akim Demaille <akim@epita.fr>
17007
17008 * src/reader.c (parse_thong_decl): Formatting changes.
17009 (token_translations_init): New, extracted from...
17010 (packsymbols): Here.
17011 Adjust.
17012
17013 2001-11-01 Akim Demaille <akim@epita.fr>
17014
17015 * tests/regression.at (AT_TEST_CPP_GUARD_H): New.
17016 Check that `9foo.y' produces correct cpp guards.
17017 * src/files.c (compute_header_macro): Prepend `BISON_' to CPP
17018 guards.
17019 Reported by Wwp.
17020
17021 2001-11-01 Akim Demaille <akim@epita.fr>
17022
17023 * tests/regression.at (Invalid input: 2): New.
17024 * src/lex.c (unlexed_token_buffer): New.
17025 (lex, unlex): Adjust: when unlexing, be sure to save token_buffer
17026 too.
17027 Reported by Wwp.
17028
17029 2001-11-01 Akim Demaille <akim@epita.fr>
17030
17031 * tests/calc.at: Catch up with 1.30.
17032 * configure.in: Bump to 1.49a.
17033 Adjust to newer Autotest.
17034
17035 2001-10-19 Pascal Bart <pascal.bart@epita.fr>
17036
17037 * src/conflicts.c: Move global variables rrc_total and src_total ...
17038 (print_conflicts): here.
17039 * src/output.c (output): Free global variable user_toknums.
17040 * src/lex.c (token_obstack): Become static.
17041
17042 2001-10-18 Akim Demaille <akim@epita.fr>
17043
17044 * tests/atlocal.in (GCC): Add.
17045 * tests/calc.at: s/m4_match/m4_bmatch/.
17046 s/m4_patsubst/m4_bpatsubst/.
17047 (AT_CHECK_CALC): Check the compiler's stderr only if it's GCC.
17048 * configure.in: AC_SUBST(GCC).
17049
17050 2001-10-14 Marc Autret <autret_m@epita.fr>
17051
17052 * src/options.c (create_long_option_table): Fix.
17053
17054 2001-10-10 Akim Demaille <akim@epita.fr>
17055
17056 * src/bison.simple: Be sure to set YYSTACK_USE_ALLOCA.
17057
17058 2001-10-04 Akim Demaille <akim@epita.fr>
17059
17060 * src/reader.c (parse_union_decl): Push the caracters in
17061 union_obstack, not attrs_obstack.
17062
17063 2001-10-04 Akim Demaille <akim@epita.fr>
17064
17065 Merge in the branch 1.29.
17066
17067 * src/reader.c (packsymbols): Use a temporary obstack for
17068 `%%tokendef', since output_stack is already used elsewhere.
17069
17070 2001-10-02 Akim Demaille <akim@epita.fr>
17071
17072 Bump 1.29d.
17073
17074 2001-10-02 Akim Demaille <akim@epita.fr>
17075
17076 Version 1.29c.
17077
17078 2001-10-02 Akim Demaille <akim@epita.fr>
17079
17080 * tests/regression.at (Invalid CPP headers): New.
17081 From Alexander Belopolsky.
17082 * src/files.c (compute_header_macro): Map non alnum chars to `_'.
17083
17084 2001-10-02 Akim Demaille <akim@epita.fr>
17085
17086 * tests/regression.at (Invalid input): New.
17087 * src/lex.c (lex): Be sure to set `token_buffer' in any case.
17088 Reported by Shura.
17089
17090 2001-10-02 Akim Demaille <akim@epita.fr>
17091
17092 * tests/calc.at: Now that --debug works, the tests must be adjusted.
17093
17094 2001-10-02 Akim Demaille <akim@epita.fr>
17095
17096 * src/output.c (output_parser): Assert `skeleton'.
17097 * src/files.c (skeleton_find): Look harder for skeletons on DOSish
17098 systems.
17099 From Shura.
17100
17101 2001-10-01 Marc Autret <autret_m@epita.fr>
17102
17103 * src/lex.h: Echo modifications.
17104 * src/lex.c (unlex): Parameter is now token_t.
17105 From Hans Aberg.
17106
17107 2001-10-01 Marc Autret <autret_m@epita.fr>
17108
17109 * src/main.c: Include lex.h.
17110 From Hans Aberg.
17111
17112 2001-09-29 Akim Demaille <akim@epita.fr>
17113
17114 * src/getargs.c (longopts): `--debug' is `-t', not `-d'.
17115
17116 2001-09-28 Akim Demaille <akim@epita.fr>
17117
17118 * tests/testsuite.at: Update to newer Autotest.
17119 * tests/Makefile.am (EXTRA_DIST): bison is not to be shipped.
17120
17121 2001-09-27 Akim Demaille <akim@epita.fr>
17122
17123 Position independent wrapper.
17124
17125 * tests/bison: Remove.
17126 * tests/bison.in: New.
17127 * configure.in: Adjust.
17128
17129 2001-09-27 Paul Eggert <eggert@twinsun.com>
17130
17131 Port quotearg fixes from tar 1.13.24.
17132
17133 * lib/quotearg.c: BSD/OS 4.1 wchar.h requires FILE and struct
17134 tm to be declared.
17135 (HAVE_MBSINIT): Undef if !HAVE_MBRTOWC.
17136 (mbsinit): Define to 1 if !defined mbsinit && !HAVE_MBSINIT.
17137
17138 * m4/Makefile.am (EXTRA_DIST): Add mbrtowc.m4.
17139 * m4/mbrtowc.m4: New file.
17140 * m4/prereq.m4 (jm_PREREQ_QUOTEARG): Check for mbsinit and stddef.h.
17141 Use jm_FUNC_MBRTOWC instead of AC_CHECK_FUNCS(mbrtowc).
17142
17143 2001-09-27 Akim Demaille <akim@epita.fr>
17144
17145 Bump to 1.29c.
17146
17147 2001-09-27 Akim Demaille <akim@epita.fr>
17148
17149 Version 1.29b.
17150
17151 2001-09-25 Akim Demaille <akim@epita.fr>
17152
17153 * src/system.h: Include `xalloc.h'.
17154 Remove it from the C files.
17155 * src/files.c (output_files): Free the obstacks.
17156 * src/lex.c (init_lex): Rename as...
17157 (lex_init): this.
17158 (lex_free): New.
17159 * src/main.c (main): Use it.
17160
17161 2001-09-24 Marc Autret <autret_m@epita.fr>
17162
17163 * src/vcg.c (open_edge, close_edge, open_node, close_node): Change
17164 to output informations in fout (FILE*).
17165 (open_graph, close_graph): Likewise.
17166 (output_graph, output_edge, output_node): Likewise.
17167 * src/vcg.h: Update function prototypes.
17168 * src/print_graph.c (print_graph): Open output graph file.
17169 (print_actions): Adjust.
17170 * src/files.h: Remove extern declaration.
17171 * src/files.c: Remove graph_obstack declaration.
17172 (open_files): Remove graph_obstack initialization.
17173 (output_files): Remove graph_obstack saving.
17174
17175 2001-09-24 Marc Autret <autret_m@epita.fr>
17176
17177 * src/files.c (compute_output_file_names): Fix.
17178
17179 2001-09-24 Marc Autret <autret_m@epita.fr>,
17180 Akim Demaille <akim@epita.fr>
17181
17182 * src/reader.c (reader): Remove call to free_symtab ().
17183 * src/main.c (main): Call it here.
17184 Include symtab.h.
17185 * src/conflicts.c (initialize_conflicts): Rename as...
17186 (solve_conflicts): this.
17187 * src/print.c (print_core, print_actions, print_state)
17188 (print_grammar): Dump to a file instead a `output_obstack'.
17189 (print_results): Dump `output_obstack', and then proceed with the
17190 FILE *.
17191 * src/files.c (compute_output_file_names, close_files): New.
17192 (output_files): Adjust.
17193 * src/main.c (main): Adjust.
17194
17195 2001-09-23 Marc Autret <autret_m@epita.fr>
17196
17197 * src/files.c (compute_header_macro): Computes header macro name
17198 from spec_defines_file when given.
17199
17200 2001-09-23 Marc Autret <autret_m@epita.fr>
17201
17202 * src/files.c (output_files): Add default extensions.
17203
17204 2001-09-22 Akim Demaille <akim@epita.fr>
17205
17206 * src/conflicts.c (finalize_conflicts): Rename as...
17207 (free_conflicts): this.
17208
17209 2001-09-22 Akim Demaille <akim@epita.fr>
17210
17211 * src/gram.c (gram_free): Rename back as...
17212 (dummy): this.
17213 (output_token_translations): Free `token_translations'.
17214 * src/symtab.c (free_symtab): Free the tag field.
17215
17216 2001-09-22 Akim Demaille <akim@epita.fr>
17217
17218 Remove `translations' as it is always set to true.
17219
17220 * src/gram.h: Adjust.
17221 * src/reader.c (packsymbols, parse_token_decl): Adjust
17222 * src/print.c (print_grammar): Adjust.
17223 * src/output.c (output_token_translations): Adjust.
17224 * src/lex.c (lex): Adjust.
17225 * src/gram.c: Be sure the set pointers to NULL.
17226 (dummy): Rename as...
17227 (gram_free): this.
17228
17229 2001-09-22 Akim Demaille <akim@epita.fr>
17230
17231 * configure.in: Invoke AM_LIB_DMALLOC.
17232 * src/system.h: Use dmalloc.
17233 * src/LR0.c: Be sure to have pointers initialized to NULL.
17234 (allocate_itemsets): Allocate kernel_items only if needed.
17235
17236 2001-09-22 Akim Demaille <akim@epita.fr>
17237
17238 * configure.in: Bump to 1.29b.
17239 * tests/Makefile.am (DISTCLEANFILES): Add package.m4.
17240 * tests/calc.at (_AT_DATA_CALC_Y): #undef malloc so that we don't
17241 need xmalloc.c in calc.y.
17242 From Pascal Bart.
17243
17244 2001-09-21 Akim Demaille <akim@epita.fr>
17245
17246 Version 1.29a.
17247 * Makefile.maint, config/config.guess, config/config.sub,
17248 * config/missing: Update from masters.
17249 * tests/Makefile.am ($(srcdir)/$(TESTSUITE)): No longer depend
17250 upon package.m4.
17251 * configure.in (ALL_LINGUAS): Add `tr'.
17252
17253 2001-09-21 Akim Demaille <akim@epita.fr>
17254
17255 * tests/Makefile.am (package.m4): Move to...
17256 ($(srcdir)/$(TESTSUITE)): here.
17257
17258 2001-09-20 Akim Demaille <akim@epita.fr>
17259
17260 * src/complain.c: No longer try to be standalone: use system.h.
17261 Don't assume __STDC__ is defined to 1. Just test if it is defined.
17262 * src/complain.h: Likewise.
17263 * src/reduce.c (useless_nonterminals, inaccessable_symbols):
17264 Remove the unused variable `n'.
17265 From Albert Chin-A-Young.
17266
17267 2001-09-18 Marc Autret <autret_m@epita.fr>
17268
17269 * doc/bison.1: Update.
17270 * doc/bison.texinfo (Bison Options): Update --defines and --graph
17271 descriptions.
17272 (Option Cross Key): Update.
17273 Add --graph.
17274
17275 2001-09-18 Marc Autret <autret_m@epita.fr>
17276
17277 * tests/regression.at: New test (comment in %union).
17278
17279 2001-09-18 Marc Autret <autret_m@epita.fr>
17280
17281 * src/reader.c (parse_union_decl): Do not output '/'. Let copy_comment
17282 do that.
17283 Reported by Keith Browne.
17284
17285 2001-09-18 Marc Autret <autret_m@epita.fr>
17286
17287 * tests/output.at: Add tests for --defines and --graph.
17288
17289 2001-09-18 Marc Autret <autret_m@epita.fr>
17290
17291 * tests/output.at: Removes tests of %{header,src}_extension features.
17292
17293 2001-09-18 Akim Demaille <akim@epita.fr>
17294
17295 * tests/Makefile.am (package.m4): New.
17296 * tests/calc.at (_AT_CHECK_CALC): Just run `calc input'.
17297 (_AT_CHECK_CALC_ERROR): Likewise.
17298 Factor the `, ' part of verbose error messages.
17299
17300 2001-09-18 Marc Autret <autret_m@epita.fr>
17301
17302 * src/getargs.c (longopts): Declare --defines and --graph as options
17303 with optional arguments.
17304 * src/files.h: Add extern declarations.
17305 * src/files.c (spec_graph_file, spec_defines_file): New.
17306 (output_files): Update.
17307 Remove CPP-outed code.
17308
17309 2001-09-18 Marc Autret <autret_m@epita.fr>
17310
17311 Turn off %{source,header}_extension feature.
17312
17313 * src/files.c (compute_exts_from_gf): Update.
17314 (compute_exts_from_src): Update.
17315 (output_files): CPP-out useless code.
17316 * src/files.h: Remove {header,source}_extension extern declarations.
17317 * src/reader.c (parse_dquoted_param): CPP-out.
17318 (parse_header_extension_decl): Remove.
17319 (parse_source_extension_decl): Remove.
17320 (read_declarations): Remove cases tok_{hdrext,srcext}.
17321 * src/lex.c (percent_table): Remove {header,source}_extension entries.
17322 * src/lex.h (token_t): Remove tok_hdrext and tok_srcext.
17323
17324 2001-09-10 Akim Demaille <akim@epita.fr>
17325
17326 * tests/output.at (AT_CHECK_BISON_FLAGS, AT_CHECK_BISON_PERCENT):
17327 (AT_CHECK_BISON_PERCENT_FLAGS): Merge into...
17328 (AT_CHECK_OUTPUT): this.
17329 Merely check ls' exit status, its output is useless.
17330
17331 2001-09-10 Akim Demaille <akim@epita.fr>
17332
17333 * tests/calc.at: Use m4_match.
17334 (_AT_DATA_CALC_Y): Check `yyin != NULL', not `stdin != NULL'.
17335
17336 2001-09-10 Marc Autret <autret_m@epita.fr>,
17337 Akim Demaille <akim@epita.fr>
17338
17339 * src/vcg.h (graph_s): color, textcolor, bordercolor are now
17340 enum color_e.
17341 * src/print_graph.c (print_graph): Initalize graph.layoutalgorithm
17342 to `normal'.
17343 * src/reader.c (parse_token_decl): Initialize token with tok_eof.
17344 * src/lex.h: Adjust prototype.
17345 (token_t): Add `tok_undef'.
17346 * src/lex.c (struct percent_table_struct): Retval is now a token_t.
17347 (parse_percent_token): Now returns token_t.
17348 Add default statement in switch.
17349 (lex): Separate `c' as an input variable, from the token_t result
17350 part.
17351 (unlexed): Is a token_t.
17352
17353 2001-09-10 Akim Demaille <akim@epita.fr>
17354
17355 * configure.in: Bump to 1.29a.
17356
17357 2001-09-07 Akim Demaille <akim@epita.fr>
17358
17359 Version 1.29.
17360
17361 2001-08-30 Akim Demaille <akim@epita.fr>
17362
17363 * tests/atgeneral.m4, tests/atconfig.in, tests/suite.at: Remove.
17364 * m4/atconfig.m4: Remove.
17365 * tests/testsuite.at, tests/atlocal.in, tests/output.at,
17366 * tests/bison: New.
17367 * tests/regression.at, tests/calc.at: Use m4_define, AT_BANNER,
17368 m4_if, m4_patsubst, and m4_regexp.
17369 * tests/calc.at (_AT_CHECK_CALC, _AT_CHECK_CALC_ERROR): Use an
17370 `input' file instead of echo.
17371
17372 2001-08-29 Akim Demaille <akim@epita.fr>
17373
17374 Bump to 1.28e.
17375
17376 2001-08-29 Akim Demaille <akim@epita.fr>
17377
17378 Version 1.28d.
17379
17380 2001-08-29 Paul Eggert <eggert@twinsun.com>
17381
17382 * src/bison.simple (yyparse): Don't take the address of an
17383 item before the start of an array, as that doesn't conform to
17384 the C Standard.
17385
17386 2001-08-29 Robert Anisko <anisko_r@epita.fr>
17387
17388 * doc/bison.texinfo (Location Tracking Calc): New node.
17389
17390 2001-08-29 Paul Eggert <eggert@twinsun.com>
17391
17392 * src/output.c (output): Do not define const, as this now
17393 causes more problems than it cures.
17394
17395 2001-08-29 Akim Demaille <akim@epita.fr>
17396
17397 * doc/bison.texinfo: Modernize `@node' and `@top' use: just name
17398 the nodes.
17399 Be sure to tag the `detailmenu'.
17400
17401 2001-08-29 Akim Demaille <akim@epita.fr>
17402
17403 * Makefile.maint (do-po-update): Wget refuses to overwrite files:
17404 download in a tmp dir.
17405
17406 2001-08-28 Marc Autret <autret_m@epita.fr>
17407
17408 * config/depcomp: New file.
17409
17410 2001-08-28 Marc Autret <autret_m@epita.fr>
17411
17412 * doc/bison.1 (mandoc): Adjust.
17413 From Juan Manuel Guerrero.
17414
17415 2001-08-28 Marc Autret <autret_m@epita.fr>
17416
17417 * src/print_graph.c (print_state): Fix.
17418
17419 2001-08-27 Marc Autret <autret_m@epita.fr>
17420
17421 * src/vcg.h (classname_s, infoname_s, node_s): Constify the
17422 char * members.
17423 Echo modifications to the functions prototypes.
17424 * src/vcg.c (add_classname, add_infoname): Adjust arguments.
17425
17426 2001-08-27 Marc Autret <autret_m@epita.fr>
17427
17428 * src/vcg.c: Include `xalloc.h'.
17429 (add_colorentry): New.
17430 (add_classname): New.
17431 (add_infoname): New.
17432 * src/vcg.h: Add new prototypes.
17433
17434 2001-08-27 Akim Demaille <akim@epita.fr>
17435
17436 * Makefile.maint: Sync. again with CVS Autoconf.
17437
17438 2001-08-27 Akim Demaille <akim@epita.fr>
17439
17440 * Makefile.maint: Formatting changes.
17441 (po-update, cvs-update, update): New targets.
17442 (AMTAR): Remove.
17443
17444 2001-08-27 Akim Demaille <akim@epita.fr>
17445
17446 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
17447 * Makefile.maint: Sync. with CVS Autoconf.
17448
17449 2001-08-27 Marc Autret <autret_m@epita.fr>
17450
17451 * src/vcg.h (struct infoname_s): New.
17452 (struct colorentry_s): New.
17453 (graph_s): New fields {vertical,horizontal}_order in structure.
17454 Add `infoname' field.
17455 Add `colorentry' field;
17456 * src/vcg_defaults.h (G_VERTICAL_ORDER): New.
17457 (G_HORIZONTAL_ORDER): New.
17458 (G_INFONAME): New.
17459 (G_COLORENTRY): New.
17460 * src/vcg.c (output_graph): Add output of {vertical,horizontal}_order.
17461 Add output of `infoname'.
17462 Add output of `colorentry'.
17463
17464 2001-08-27 Marc Autret <autret_m@epita.fr>
17465
17466 * src/reader.c (parse_dquoted_param): Rename variable `index' to `i'.
17467 This one shadowed a global parameter.
17468
17469 2001-08-24 Marc Autret <autret_m@epita.fr>
17470
17471 * src/print_graph.c (node_output_size): Declared POSIX `size_t' type,
17472 instead of `unsigned'.
17473 (print_state): Do not call obstack_object_size () in obstack_grow ()
17474 to avoid macro variables shadowing.
17475
17476 2001-08-23 Marc Autret <autret_m@epita.fr>
17477
17478 * src/lex.c (percent_table): Typo: s/naem/name/.
17479 Add graph option.
17480 Normalize new options declarations.
17481
17482 2001-08-20 Pascal Bart <pascal.bart@epita.fr>
17483
17484 * tests/suite.at: Exercise %header_extension and %source_extension.
17485
17486 2001-08-16 Marc Autret <autret_m@epita.fr>
17487
17488 * src/reader.c (parse_dquoted_param): New.
17489 (parse_header_extension_decl): Use it.
17490 (parse_source_extension_decl): Likewise.
17491
17492 2001-08-16 Marc Autret <autret_m@epita.fr>
17493
17494 * src/vcg.c: Remove includes of `complain.h' and `xalloc.h'.
17495 (get_xxxx_str): Use assert () instead of complain ().
17496 Remove return invokations in default cases.
17497 (get_decision_str): Modify default behaviour. Remove second argument.
17498 Echo modifications on calls.
17499 (output_graph): Fix.
17500
17501 2001-08-16 Marc Autret <autret_m@epita.fr>
17502
17503 * src/getargs.c (usage): Update with ``-g, --graph''.
17504
17505 2001-08-16 Marc Autret <autret_m@epita.fr>
17506
17507 * doc/bison.texinfo (Bison Options): Add items `-g', `--graph'.
17508 (Option Cross Key): Likewise.
17509 * doc/bison.1: Update.
17510
17511 2001-09-25 Pascal Bart <pascal.bart@epita.fr>
17512
17513 * src/output.c (output_master_parser): Don't finish action_obstack.
17514 (output_parser): Don't care about the muscle action, here.
17515 (prepare): Copy the action_obstack in the action muscle.
17516 (output): Free action_obstack.
17517
17518 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
17519
17520 * src/reader.c (parse_union_decl): Add new obstack union_obstack. Which
17521 will contain `%union' declaration.
17522 (parse_union_decl): Delete #line directive output.
17523 (parse_union_decl): Substitute /attrs_obstack/union_obstack for all
17524 informations about %union.
17525 (parse_union_decl): Copy the union_obstack in the muscle stype.
17526 * src/bison.simple: Add new #line directive.
17527 Add typdef %%stype YYSTYPE.
17528
17529 2001-09-23 Pascal Bart <pascal.bart@epita.fr>
17530
17531 * src/bison.simple: Add new `#line' directive.
17532
17533 2001-09-22 Pascal Bart <pascal.bart@epita.fr>
17534
17535 * src/bison.simple: New `#line' directive.
17536 * src/output.c (output_parser): Support new dynamic muscle input_line.
17537
17538 2001-09-22 Marc Autret <autret_m@epita.fr>
17539
17540 * src/output.c (output_master_parser): New.
17541 (output_parser): Be more re-entrant.
17542
17543 2001-09-21 Marc Autret <autret_m@epita.fr>
17544
17545 * src/reader.c (copy_definition, parse_union_decl): Update and use
17546 `linef' muscle.
17547 (copy_action): Likewise.
17548 Use obstack_1grow ().
17549 * src/muscle_tab.c (muscle_init): Add muscle `linef'.
17550
17551 2001-09-21 Marc Autret <autret_m@epita.fr>
17552
17553 * src/options.c (option_table): Adjust.
17554 * src/lex.c (parse_percent_token): Fix.
17555
17556 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
17557
17558 * src/options.c (symtab.h): Include it, need by lex.h.
17559
17560 2001-09-20 Pascal Bart <pascal.bart@epita.fr>
17561
17562 * src/lex.c (parse_percent_token): Change type of variable `tx', which
17563 is now an option_table_struct*.
17564 (option_strcmp): New function option_strcmp.
17565 (parse_percent_token): Call option_strcmp.
17566 * src/getargs.c (xalloc.h, options.h): Include it.
17567 (getargs): Call create_long_option_table.
17568 (getargs): Free longopts at the end of the function.
17569 (shortopts): Move in options.c.
17570 * src/options.c (create_long_option_table): New function. Convert
17571 information from option_table to option structure.
17572 * src/reader.c (options.h): Include it.
17573
17574 * src/Makefile.am: Adjust.
17575 * src/options.c (option_table): Create from longopts and percent_table.
17576 * src/getargs.c (longopts): Delete.
17577 * src/lex.c (struct percent_table_struct): Delete.
17578 (percent_table): Delete.
17579 (options.h): Include it.
17580 * src/options.c: Create.
17581 * src/options.h: Create.
17582 Declare enum opt_access_e.
17583 Define struct option_table_struct.
17584
17585 2001-09-20 Marc Autret <autret_m@epita.fr>
17586
17587 * doc/bison.texinfo: Adjust terminologies about prologue and epilogue
17588 sections of Bison.
17589
17590 2001-09-19 Pascal Bart <pascal.bart@epita.fr>
17591
17592 * src/bison.simple: s/%%filename/%%skeleton.
17593 * src/muscle_tab.c (getargs.h): Include it.
17594 (muscle_init): Insert new muscle skeleton.
17595
17596 2001-09-18 Pascal Bart <pascal.bart@epita.fr>
17597
17598 * src/output.c (output_parser): Delete unused variable actions_dumped.
17599
17600 2001-09-07 Pascal Bart <pascal.bart@epita.fr>
17601
17602 * src/output.c (output): Delete call to reader_output_yylsp.
17603 * src/reader.c (reader): Likewise.
17604 * src/reader.h: Delete declaration of reader_output_yylsp.
17605
17606 2001-09-02 Marc Autret <autret_m@epita.fr>
17607
17608 * src/reader.c: Include muscle_tab.h.
17609 (parse_union_decl): Update.
17610 (parse_macro_decl): Rename parse_muscle_decl.
17611 Update to use renamed functions and variable.
17612 (read_declarations, copy_action, read_additionnal_code, : Updated
17613 with correct variables and functions names.
17614 (packsymbols, reader): Likewise.
17615
17616 * src/reader.h (muscle_obstack): Extern declaration update.
17617
17618 * src/output.c: Include muscle_tab.h
17619 In all functions using macro_insert, change by using muscle_insert ().
17620 (macro_obstack): Rename muscle_obstack.
17621 Echo modifications in the whole file.
17622 (MACRO_INSERT_INT): Rename MUSCLE_INSERT_INT.
17623 (MACRO_INSERT_STRING): Rename MUSCLE_INSERT_STRING.
17624 (MACRO_INSERT_PREFIX): Rename MUSCLE_INSERT_PREFIX.
17625
17626 * src/muscle_tab.h: Update double inclusion macros.
17627 (macro_entry_s): Rename muscle_entry_s.
17628 Update prototypes.
17629
17630 * src/muscle_tab.c: Include muscle_tab.h.
17631 Rename macro_tabble to muscle_table.
17632 (mhash1, mhash2, mcmp): Use muscle_entry.
17633 (macro_init): Rename muscle_init. Update.
17634 (macro_insert): Rename muscle_insert. Update.
17635 (macro_find): Rename muscle_find. Update.
17636
17637 * src/main.c: Include muscle_tab.h.
17638 (main): Call muscle_init ().
17639 * src/Makefile.am (bison_SOURCES): Echo modifications.
17640
17641 2001-09-02 Marc Autret <autret_m@epita.fr>
17642
17643 Now the files macro_tab.[ch] are named muscle_tab.[ch].
17644
17645 * src/muscle_tab.c, src/muscle_tab.h: Add files.
17646
17647 2001-09-02 Marc Autret <autret_m@epita.fr>
17648
17649 * src/macrotab.c, src/macrotab.h: Remove.
17650
17651 2001-09-01 Pascal Bart <pascal.bart@epita.fr>
17652
17653 * src/reader.c (copy_guard): Use muscle to specify the `#line'
17654 filename.
17655
17656 2001-09-01 Marc Autret <autret_m@epita.fr>
17657
17658 * tests/calc.at (exp): Now, YYERROR_VERBOSE need to be set
17659 to an explicit value to activate the feature. We do it here.
17660
17661 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
17662
17663 * src/output.c (prepare): Delete the `filename' muscule insertion.
17664 * src/reader.c (copy_action): Use `filename' muscule with `#line'.
17665 (parse_union_decl): Likewise.
17666 * src/macrotab.c (macro_init): Initialize filename by infile.
17667
17668 2001-08-31 Marc Autret <autret_m@epita.fr>
17669
17670 * src/bison.simple (YYLSP_NEEDED): New definition.
17671 * src/output.c (prepare): Add macro insertion of `locations_flag'
17672
17673 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
17674
17675 * src/output.c (prepare): Delete insertion of previous muscles,
17676 and insert the `prefix' muscles.
17677 * src/macrotab.c (macro_init): Likewise.
17678 (macro_init): Initialization prefix directive by `yy'.
17679 * src/bison.simple: Substitute all %%yylex, %%yychar, %%yylval,
17680 %%yydebug, %%yyerror, %%yynerrs and %%yyparse by yylex, yychar,
17681 yylval, yydebug, yyerror, yynerrs and yyparse.
17682 New directive `#define' to substitute yydebug, ... with option
17683 name_prefix.
17684
17685 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
17686
17687 * src/main.c (main): Standardize.
17688 * src/output.c (output_table_data, output_parser): Likewise.
17689 * src/macrotab.h, src/macrotab.c, src/bison.simple: Likewise.
17690
17691 2001-08-31 Pascal Bart <pascal.bart@epita.fr>, Marc Autret <autret_m@epita.fr>
17692
17693 * src/reader.c (read_additionnal_code): Rename %%user_code to
17694 %%epilogue.
17695 * src/output.c (output): Rename %%declarations to %%prologue.
17696 * src/bison.simple: Echo modifications.
17697
17698 2001-08-31 Marc Autret <autret_m@epita.fr>
17699
17700 * src/reader.c (readgram): CleanUp.
17701 (output_token_defines): Likewise.
17702 (packsymbols): Likewise.
17703 (reader): Likewise.
17704 * src/output.c (output): CPP-out useless code.
17705
17706 2001-08-31 Pascal Bart <pascal.bart@epita.fr>
17707
17708 * src/reader.c (reader): Delete obsolete call to function
17709 output_trailers and output_headers.
17710 * src/output.h: Remove obsolete functions prototypes of output_headers
17711 and output_trailers.
17712
17713 2001-08-30 Pascal Bart <pascal.bart@epita.fr>
17714
17715 * src/main.c: Include macrotab.h.
17716 * src/macrotab.h (macro_entry_s): Constify fields.
17717 Adjust functions prototypes.
17718 * src/macrotab.c (macro_insert): Constify key and value.
17719 (macro_find): Constify key.
17720 (macro_insert): Include 'xalloc.h'
17721 (macro_insert): Use XMALLOC.
17722 (macro_find): Constify return value.
17723 * src/output.c (output_table_data): Rename table to table_data.
17724 (output_parser): Constify macro_key, macro_value.
17725
17726 2001-08-30 Marc Autret <autret_m@epita.fr>
17727
17728 * src/reader.c (parse_skel_decl): New.
17729 (read_declarations): Add case `tok_skel', call parse_skel_decl ().
17730 * src/lex.h (token_t): New token `tok_skel'.
17731 * src/lex.c (percent_table): Add skeleton option entry.
17732 Standardize.
17733
17734 2001-08-29 Marc Autret <autret_m@epita.fr>
17735
17736 * src/bison.simple: Add %%user_code directive at the end.
17737 * src/reader.c (read_additionnal_code): New.
17738 (reader): Use it.
17739 * src/output.c (output_program): Remove.
17740 (output): Update.
17741
17742 2001-08-28 Marc Autret <autret_m@epita.fr>
17743
17744 * src/output.c (output_actions): Clean up.
17745 (output_gram): CPP-out useless code.
17746 * src/reader.c (reader): Clean up, CPP-out useless code.
17747
17748 2001-08-28 Pascal Bart <pascal.bart@epita.fr>
17749
17750 * src/output.c (output): Copy attrs_obstack in the '%%definitions'
17751 directive.
17752 * src/bison.simple: Add `%%definitions'.
17753
17754 2001-08-28 Marc Autret <autret_m@epita.fr>
17755
17756 * config/depcomp: New file.
17757
17758 2001-08-27 Paul Eggert <eggert@twinsun.com>
17759
17760 * src/bison.simple (yyparse): Don't take the address of an
17761 item before the start of an array, as that doesn't conform to
17762 the C Standard.
17763
17764 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
17765
17766 * src/output.c (output): Remove the initialization of the macro
17767 obstack. It was done too late here.
17768
17769 * src/reader.c (parse_macro_decl): Fix. Use of the macro obstack was
17770 completely wrong.
17771 (reader): Initialize the macro obstack here, since we need it to grow
17772 '%define' directives.
17773
17774 * src/reader.h: Declare the macro obstack as extern.
17775
17776 2001-08-27 Robert Anisko <robert.anisko@epita.fr>
17777
17778 * src/output.c (output_parser): Fix. Store single '%' characters in
17779 the output obstack instead of throwing them away.
17780
17781 2001-08-27 Akim Demaille <akim@epita.fr>
17782
17783 * Makefile.am (AUTOMAKE_OPTIONS): 1.5.
17784
17785 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17786
17787 * lib/Makefile.am: Adjust.
17788
17789 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17790
17791 * src/bison.simple: Update and add '%%' directives.
17792
17793 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17794
17795 * src/reader.c (reader): Remove calls to 'output_headers' and
17796 'output_trailers'. Remove some C output.
17797 (readgram): Disable a piece of code that was writing a default
17798 definition for 'YYSTYPE'.
17799 (reader_output_yylsp): Remove.
17800 (packsymbols): Output token defintions to a macro.
17801 (copy_definition): Disable C output.
17802
17803 * src/reader.c (parse_macro_decl): New function used to parse macro
17804 declarations.
17805 (copy_string2): Put the body of copy_string into this new function.
17806 Add a parameter to let the caller choose whether he wants to copy the
17807 string delimiters or not.
17808 (copy_string): Be a simple call to copy_string2 with the last argument
17809 bound to true.
17810 (read_declarations): Add case for macro definition.
17811 (copy_identifier): New.
17812 (parse_macro_decl): Read macro identifiers using copy_identifier
17813 rather than lex.
17814
17815 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17816
17817 * src/output.c (prepare): Add prefixed names.
17818 (output_parser): Output semantic actions.
17819 (output_parser): Fix bug on '%%line' directives.
17820
17821 * src/output.c (output_headers): Remove. The C code printed by this
17822 function should now be in the skeletons.
17823 (output_trailers): Remove.
17824 (output): Disable call to 'reader_output_yylsp'.
17825 (output_rule_data): Do not output tables to the table obstack.
17826
17827 * src/output.c: Remove some C dedicated output.
17828 Improve the use of macro and output obstacks.
17829 (output_defines): Remove.
17830
17831 * src/output.c (output_token_translations): Associate 'translate'
17832 table with a macro. No output to the table obstack.
17833 (output_gram): Same for 'rhs' and 'prhs'.
17834 (output_stos): Same for 'stos'.
17835 (output_rule_data): Same for 'r1' and 'r2'.
17836 (token_actions): Same for 'defact'.
17837 (goto_actions): Same for 'defgoto'.
17838 (output_base): Same for 'pact' and 'pgoto'.
17839 (output_table): Same for 'table'.
17840 (output_check): Same for 'check'.
17841
17842 * src/output.c (output_table_data): New function.
17843 (output_short_table): Remove.
17844 (output_short_or_char_table): Remove.
17845
17846 * src/output.c (output_parser): Replace most of the skeleton copy code
17847 with something new. Skeletons are now processed character by character
17848 rather than line by line, and Bison looks for '%%' macros. This is the
17849 first step in making Bison's output process (a lot) more flexible.
17850 (output_parser): Use the macro table.
17851
17852 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17853
17854 * src/main.c (main): Initialize the macro table.
17855
17856 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17857
17858 * src/lex.c (percent_table): Add tok_define.
17859 * src/lex.h: Add tok_define.
17860
17861 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17862
17863 * src/macrotab.c: New file.
17864 * src/macrotab.h: New file.
17865 * src/Makefile.am: Update.
17866
17867 2001-08-25 Robert Anisko <robert.anisko@epita.fr>
17868
17869 * lib/hash.c: New file.
17870 * lib/hash.h: New file.
17871 * lib/Makefile.am: Update.
17872
17873 2001-08-15 Akim Demaille <akim@epita.fr>
17874
17875 Version 1.28c.
17876
17877 2001-08-15 Marc Autret <autret_m@epita.fr>
17878
17879 * src/reader.c (readgram): Indent output macro YYSTYPE.
17880 (packsymbols): Likewise.
17881 (output_token_defines): Likewise.
17882 * src/files.c: Standardize.
17883 (compute_header_macro): New.
17884 (defines_obstack_save): New. Use compute_header_macro.
17885 (output_files): Update. Use defines_obstack_save.
17886
17887 2001-08-15 Akim Demaille <akim@epita.fr>
17888
17889 * doc/bison.texinfo (Table of Symbols): Document
17890 YYSTACK_USE_ALLOCA.
17891
17892 2001-08-15 Akim Demaille <akim@epita.fr>
17893
17894 * missing: Update from CVS Automake.
17895 * config/config.guess, config/config.sub, config/texinfo.tex:
17896 Update from gnu.org.
17897
17898 2001-08-15 Akim Demaille <akim@epita.fr>
17899
17900 * Makefile.maint: Sync with CVS Autoconf.
17901
17902 2001-08-14 Pascal Bart <pascal.bart@epita.fr>
17903
17904 * doc/bison.texinfo: Include GNU Free Documentation License from
17905 `fdl.texi'.
17906 * doc/fdl.texi: Add to package.
17907
17908 2001-08-14 Marc Autret <autret_m@epita.fr>
17909
17910 Turn on %{source,header}_extension features.
17911
17912 * src/lex.c (percent_table): Un-CPP out header_extension and
17913 source_extension.
17914 * src/files.c (compute_exts_from_gf): Compare pointers with NULL.
17915 (compute_exts_from_src): Remove conditions. It restores priorities
17916 between options.
17917
17918 2001-08-14 Marc Autret <autret_m@epita.fr>
17919
17920 * src/files.c (compute_base_names): Add extensions computing when
17921 `--file-prefix' used.
17922 Standardize function calls.
17923
17924 2001-08-13 Marc Autret <autret_m@epita.fr>
17925
17926 * src/bison.simple (YYSTACK_USE_ALLOCA): Changed to allow users
17927 defining it (defined but null disables alloca).
17928
17929 2001-08-13 Marc Autret <autret_m@epita.fr>
17930
17931 * src/bison.simple (_yy_memcpy): CPP reformat.
17932
17933 2001-08-13 Pascal Bart <pascal.bart@epita.fr>
17934
17935 * tests/atconfig.in (CPPFLAGS): Fix.
17936
17937 2001-08-10 Pascal Bart <pascal.bart@epita.fr>
17938
17939 * doc/bison.texinfo: Include GNU General Public License from
17940 `gpl.texi'.
17941 * doc/gpl.texi: Add to package.
17942
17943 2001-08-10 Marc Autret <autret_m@epita.fr>
17944
17945 * src/print_graph.h: Fix.
17946 * src/reader.c (read_declarations): Use parse_header_extension_decl ().
17947
17948 2001-08-10 Akim Demaille <akim@epita.fr>
17949
17950 * src/system.h: Provide default declarations for stpcpy, strndup,
17951 and strnlen.
17952
17953 2001-08-10 Robert Anisko <anisko_r@epita.fr>
17954
17955 * doc/bison.texinfo (Locations): Update @$ stuff.
17956
17957 2001-08-09 Robert Anisko <anisko_r@epita.fr>
17958
17959 * src/bison.simple (YYLLOC_DEFAULT): Update.
17960 (yyparse): Adjust.
17961
17962 2001-08-08 Marc Autret <autret_m@epita.fr>
17963
17964 * doc/bison.texinfo: Change @samp{$<@dots{}>} to
17965 @samp{$<@dots{}>@var{n}} in Section Actions in Mid-Rule.
17966 Reported by Fabrice Bauzac.
17967
17968 2001-08-08 Marc Autret <autret_m@epita.fr>
17969
17970 * src/vcg_default.h: Use NULL instead of 0 to initialize pointers.
17971 * src/vcg.c (output_node): Fix.
17972 * src/vcg.h: Cleanup.
17973 * src/print_graph.c: Add comments.
17974 (node_output_size): New global variable. Simplify the formatting of
17975 the VCG graph output.
17976 (print_actions): Unused code is now used. It notifies the final state
17977 and no action states in the VCG graph. It also give the reduce actions.
17978 The `shift and goto' edges are red and the `go to state' edges are
17979 blue.
17980 Get the current node name and node_obstack by argument.
17981 (node_obstack): New variable.
17982 (print_state): Manage node_obstack.
17983 (print_core): Use node_obstack given by argument.
17984 A node is not only computed here but in print_actions also.
17985 (print_graph): CPP out useless code instead of commenting it.
17986
17987 2001-08-07 Pascal Bart <pascal.bart@epita.fr>
17988
17989 * tests/atconfig.in (CPPFLAGS): Fix.
17990
17991 2001-08-07 Akim Demaille <akim@epita.fr>
17992
17993 * src/print_graph.c (quote): New.
17994 (print_core): Use it.
17995
17996 2001-08-06 Akim Demaille <akim@epita.fr>, Marc Autret <autret_m@epita.fr>
17997
17998 * src/vcg.c (complain.h): Include it.
17999 Unepitaize `return' invocations.
18000 [NDEBUG] (main): Remove.
18001 * src/vcg.h (node_t, edge_t, graph_t): Constify the char * members.
18002 * src/files.c (open_files): Initialize graph_obstack.
18003 * src/print_graph.c (print_actions): CPP out useless code.
18004 (print_core): Don't output the last `\n' in labels.
18005 Use `quote'.
18006 * src/files.c (output_files): Output the VCG file.
18007 * src/main.c (main): Invoke print_graph ();
18008
18009 2001-08-06 Marc Autret <autret_m@epita.fr>
18010
18011 Automaton VCG graph output.
18012 Using option ``-g'' or long option ``--graph'', you can generate
18013 a gram_filename.vcg file containing a VCG description of the LALR (1)
18014 automaton of your grammar.
18015
18016 * src/main.c: Call to print_graph() function.
18017 * src/getargs.h: Update.
18018 * src/getargs.c (options): Update to catch `-g' and `--graph' options.
18019 (graph_flag): New flag.
18020 (longopts): Update.
18021 (getargs): Add case `g'.
18022 * src/files.c (graph_obstack): New obstack struct.
18023 (open_files): Initialize new obstack.
18024 (output_files): Saves graph_obstack if required.
18025 * src/files.h (graph_obstack): New extern declaration.
18026 * src/Makefile.am: Add new source files.
18027
18028 2001-08-06 Marc Autret <autret_m@epita.fr>
18029
18030 * src/print_graph.c, src/print_graph.h (graph): New.
18031 * src/vcg.h: New file.
18032 * src/vcg.c: New file, VCG graph handling.
18033
18034 2001-08-06 Marc Autret <autret_m@epita.fr>
18035
18036 Add of %source_extension and %header_extension which specify
18037 the source or/and the header output file extension.
18038
18039 * src/files.c (compute_base_names): Remove initialisation of
18040 src_extension and header_extension.
18041 (compute_exts_from_gf): Update.
18042 (compute_exts_from_src): Update.
18043 (output_files): Update.
18044 * src/reader.c (parse_header_extension_decl): New.
18045 (parse_source_extension_decl): New.
18046 (read_declarations): New case statements for the new tokens.
18047 * src/lex.c (percent_table): Add entries for %source_extension
18048 and %header_extension.
18049 * src/lex.h (token_e): New tokens tok_hdrext and tok_srcext.
18050
18051 2001-08-06 Marc Autret <autret_m@epita.fr>
18052
18053 * configure.in: Bump to 1.28c.
18054 * doc/bison.texinfo: Texinfo thingies.
18055
18056 2001-08-04 Pascal Bart <pascal.bart@epita.fr>
18057
18058 * tests/atconfig.in (CPPFLAGS): Add.
18059 * tests/calc.at (AT_CHECK): Use CPPFLAGS.
18060
18061 2001-08-03 Akim Demaille <akim@epita.fr>
18062
18063 Version 1.28b.
18064
18065 2001-08-03 Akim Demaille <akim@epita.fr>
18066
18067 * tests/Makefile.am (check-local): Ship testsuite.
18068 * tests/calc.at (_AT_DATA_CALC_Y): Prototype all the functions.
18069 Include `string.h'.
18070
18071 2001-08-03 Akim Demaille <akim@epita.fr>
18072
18073 * configure.in: Try using -Wformat when compiling.
18074
18075 2001-08-03 Akim Demaille <akim@epita.fr>
18076
18077 * configure.in: Bump to 1.28b.
18078
18079 2001-08-03 Akim Demaille <akim@epita.fr>
18080
18081 * src/complain.c: Adjust strerror_r portability issues.
18082
18083 2001-08-03 Akim Demaille <akim@epita.fr>
18084
18085 Version 1.28a.
18086
18087 2001-08-03 Akim Demaille <akim@epita.fr>
18088
18089 * src/getargs.c, src/getarg.h (skeleton)): Constify.
18090 * src/lex.c (literalchar): Avoid name clashes on `buf'.
18091 * src/getargs.c: Include complain.h.
18092 * src/files.c, src/files.h (skeleton_find): Avoid name clashes.
18093 * lib/quotearg.c, lib/quotearg.h: Update from fileutils 4.1.
18094
18095 2001-08-03 Akim Demaille <akim@epita.fr>
18096
18097 * src/reader.c (readgram): Display hidden chars in error messages.
18098
18099 2001-08-03 Akim Demaille <akim@epita.fr>
18100
18101 Update to gettext 0.10.39.
18102
18103 2001-08-03 Akim Demaille <akim@epita.fr>
18104
18105 * lib/strspn.c: New.
18106
18107 2001-08-01 Marc Autret <autret_m@epita.fr>
18108
18109 * doc/bison.texinfo: Update.
18110 * doc/bison.1 (mandoc): Update.
18111 * src/system.h (EXT_GUARD_C, EXT_STYPE_H): Remove .c and .h.
18112 * src/files.c: Support output files extensions computing.
18113 (src_extension): New static variable.
18114 (header_extension): New static variable.
18115 (tr): New function.
18116 (get_extension_index): New function, gets the index of an extension
18117 filename in a string.
18118 (compute_exts_from_gf): New function, computes extensions from the
18119 grammar file extension.
18120 (compute_exts_from_src): New functions, computes extensions from the
18121 C source file extension, file given by ``-o'' option.
18122 (compute_base_names): Update.
18123 (output_files): Update.
18124
18125 2001-08-01 Robert Anisko <anisko_r@epita.fr>
18126
18127 * doc/bison.texi: Document @$.
18128 (Locations): New section.
18129
18130 2001-07-18 Akim Demaille <akim@epita.fr>
18131
18132 * Makefile.maint, GNUmakefile: New, from Autoconf 2.52.
18133 * config/prev-version.txt, config/move-if-change: New.
18134 * Makefile.am: Adjust.
18135
18136 2001-07-08 Pascal Bart <pascal.bart@epita.fr>
18137
18138 * src/bison.simple (yyparse): Suppress warning `comparaison
18139 between signed and unsigned'.
18140
18141 2001-07-05 Pascal Bart <pascal.bart@epita.fr>
18142
18143 * src/getargs.h (raw_flag): Remove.
18144 * src/getargs.c: Die on `-r'/`--raw'.
18145 * src/lex.c (parse_percent_token): Die on `%raw'.
18146 * src/reader.c (output_token_defines): Suppress call to `raw_flag'.
18147 * tests/calc.at: Suppress test with option `--raw'.
18148
18149 2001-07-14 Akim Demaille <akim@epita.fr>
18150
18151 * config/: New.
18152 * configure.in: Require Autoconf 2.50.
18153 Update to gettext 0.10.38.
18154
18155 2001-03-16 Akim Demaille <akim@epita.fr>
18156
18157 * doc/bison.texinfo: ANSIfy the examples.
18158
18159 2001-03-16 Akim Demaille <akim@epita.fr>
18160
18161 * getargs.c (skeleton): New variable.
18162 (longopts): --skeleton is a new option.
18163 (shortopts, getargs): -S is a new option.
18164 * getargs.h: Declare skeleton.
18165 * output.c (output_parser): Use it.
18166
18167 2001-03-16 Akim Demaille <akim@epita.fr>
18168
18169 * m4/strerror_r.m4: New.
18170 * m4/error.m4: Run AC_FUNC_STRERROR_R.
18171 * lib/error.h, lib/error.c: Update.
18172
18173 2001-03-16 Akim Demaille <akim@epita.fr>
18174
18175 * src/getargs.c (longopts): Clean up.
18176
18177 2001-02-21 Akim Demaille <akim@epita.fr>
18178
18179 * src/reader.c (gensym): `gensym_count' is your own.
18180 Use a static buf to create the symbol name, as token_buffer is no
18181 longer a buffer.
18182
18183 2001-02-08 Akim Demaille <akim@epita.fr>
18184
18185 * src/conflicts.c (conflict_report): Be sure not to append to res
18186 between two calls, which could happen if both first sprintf were
18187 skipped, but not the first cp += strlen.
18188
18189 2001-02-08 Akim Demaille <akim@epita.fr>
18190
18191 * lib/memchr.c, lib/stpcpy.c, lib/strndup.c, lib/strnlen.c:
18192 New, from fileutils 4.0.37.
18193 * configure.in: Require Autoconf 2.49c. I took some time before
18194 making this decision. This is the only way out for portability
18195 issues in Bison, it would mean way too much duplicate effort to
18196 import in Bison features implemented in 2.49c since 2.13.
18197 AC_REPLACE_FUNCS and AC_CHECK_DECLS the functions above.
18198
18199 2001-02-02 Akim Demaille <akim@epita.fr>
18200
18201 * lib/malloc.c, lib/realloc.c: New, from the fileutils 4.0.37.
18202 * lib/xalloc.h, lib/xmalloc.c: Update.
18203
18204 2001-01-19 Akim Demaille <akim@epita.fr>
18205
18206 Get rid of the ad hoc handling of token_buffer in the scanner: use
18207 the obstacks.
18208
18209 * src/lex.c (token_obstack): New.
18210 (init_lex): Initialize it. No longer call...
18211 (grow_token_buffer): this. Remove it.
18212 Adjust all the places which used it to use the obstack.
18213
18214 2001-01-19 Akim Demaille <akim@epita.fr>
18215
18216 * src/lex.h: Rename all the tokens:
18217 s/\bENDFILE\b/tok_eof/g;
18218 s/\bIDENTIFIER\b/tok_identifier/g;
18219 etc.
18220 Let them be enums, not #define, to ease debugging.
18221 Adjust all the code.
18222
18223 2001-01-18 Akim Demaille <akim@epita.fr>
18224
18225 * src/lex.h (MAXTOKEN, maxtoken, grow_token_buffer): Remove, private.
18226 * src/lex.c (maxtoken, grow_token_buffer): Static.
18227
18228 2001-01-18 Akim Demaille <akim@epita.fr>
18229
18230 Since we now use obstacks, more % directives can be enabled.
18231
18232 * src/lex.c (percent_table): Also accept `%yacc',
18233 `%fixed_output_files', `%defines', `%no_parser', `%verbose', and
18234 `%debug'.
18235 Handle the actions for `%semantic_parser' and `%pure_parser' here,
18236 instead of returning a token.
18237 * src/lex.h (SEMANTIC_PARSER, PURE_PARSER): Remove, unused.
18238 * src/reader.c (read_declarations): Adjust.
18239 * src/files.c (open_files): Don't call `compute_base_names', don't
18240 compute `attrsfile' since they depend upon data which might be
18241 *in* the input file now.
18242 (output_files): Do it here.
18243 * src/output.c (output_headers): Document the fact that this patch
18244 introduces a guaranteed SEGV for semantic parsers.
18245 * doc/bison.texinfo: Document them.
18246 * tests/suite.at: Exercise these %options.
18247
18248 2000-12-20 Akim Demaille <akim@epita.fr>
18249
18250 Also handle the output file (--verbose) with obstacks.
18251
18252 * files.c (foutput): Remove.
18253 (output_obstack): New.
18254 Adjust all dependencies.
18255 * src/conflicts.c: Return a string.
18256 * src/system.h (obstack_grow_string): Rename as...
18257 (obstack_sgrow): this. Be ready to work with non literals.
18258 (obstack_fgrow4): New.
18259
18260 2000-12-20 Akim Demaille <akim@epita.fr>
18261
18262 * src/files.c (open_files): Fix the computation of short_base_name
18263 in the case of `-o foo.tab.c'.
18264
18265 2000-12-20 Akim Demaille <akim@epita.fr>
18266
18267 * src/reader.c (copy_string, copy_comment, copy_comment2, copy_at)
18268 (copy_dollar): Now that everything uses obstacks, get rid of the
18269 FILE * parameters.
18270
18271 2000-12-20 Akim Demaille <akim@epita.fr>
18272
18273 * src/files.c (open_files): Actually the `.output' file is based
18274 on the short_base_name, not base_name.
18275 * tests/suite.at (Checking output file names): Adjust.
18276
18277 2000-12-20 Akim Demaille <akim@epita.fr>
18278
18279 * src/bison.s1: Remove, we now use directly...
18280 * src/bison.simple: this.
18281 * src/Makefile.am: Use pkgdata instead of data.
18282
18283 2000-12-20 Akim Demaille <akim@epita.fr>
18284
18285 * src/files.c (guard_obstack): New.
18286 (open_files): Initialize it.
18287 (output_files): Dump it...
18288 * src/files.h: Export it.
18289 * src/reader.c (copy_guard): Use it.
18290
18291 2000-12-19 Akim Demaille <akim@epita.fr>
18292
18293 * src/files.c (outfile, defsfile, actfile): Removed as global
18294 vars.
18295 (open_files): Don't compute them.
18296 (output_files): Adjust.
18297 (base_name, short_base_name): Be global.
18298 Adjust dependencies.
18299
18300 2000-12-19 Akim Demaille <akim@epita.fr>
18301
18302 * src/files.c (strsuffix): New.
18303 (stringappend): Be just like strcat but allocate.
18304 (base_names): Eve out from open_files.
18305 Try to simplify the rather hairy computation of base_name and
18306 short_base_name.
18307 (open_files): Use it.
18308 * tests/suite.at (Checking output file names): New test.
18309
18310 2000-12-19 Akim Demaille <akim@epita.fr>
18311
18312 * src/system.h (obstack_grow_literal_string): Rename as...
18313 (obstack_grow_string): this.
18314 * src/output.c (output_parser): Recognize `%% actions' instead of
18315 `$'.
18316 * src/bison.s1: s/$/%% actions/.
18317 * src/bison.hairy: Likewise.
18318
18319 2000-12-19 Akim Demaille <akim@epita.fr>
18320
18321 * src/output.c (output_parser): Compute the `#line' lines when
18322 there are.
18323 * src/Makefile.am (bison.simple): Be a simple copy of bison.s1.
18324 Suggested by Hans Aberg.
18325
18326 2000-12-19 Akim Demaille <akim@epita.fr>
18327
18328 Let the handling of the skeleton files be local to the procedures
18329 that use it.
18330
18331 * src/files.c (xfopen, xfclose, skeleton_find, guardfile): No
18332 longer static.
18333 (fparser, open_extra_files): Remove.
18334 (open_files, output_files): Don't take care of fparser.
18335 * src/files.h: Adjust.
18336 * src/output.c (output_parser): Open and close the file to the
18337 skeleton.
18338 * src/reader.c (read_declarations): When %semantic_parser, open
18339 fguard.
18340
18341 2000-12-19 Akim Demaille <akim@epita.fr>
18342
18343 * src/file.h (BISON_SIMPLE, BISON_HAIRY): Move from here...
18344 * src/system.h (BISON_SIMPLE, BISON_HAIRY): ... to here.
18345
18346 2000-12-19 Akim Demaille <akim@epita.fr>
18347
18348 * src/files.c (open_files): Yipee! We no longer need all the code
18349 looking for `/tmp' since we have no tmp file.
18350
18351 2000-12-19 Akim Demaille <akim@epita.fr>
18352
18353 * src/system.h (EXT_TAB, EXT_OUTPUT, EXT_STYPE_H, EXT_GUARD_C):
18354 New macros.
18355 * src/files.c (open_files): Less dependency on MSDOS etc.
18356
18357 2000-12-14 Akim Demaille <akim@epita.fr>
18358
18359 * src/bison.s1 (YYLLOC_DEFAULT): New macro.
18360 Provide a default definition.
18361 Use it when executing the default @ action.
18362 * src/reader.c (reader_output_yylsp): No longer include
18363 `timestamp' and `text' in the default YYLTYPE.
18364
18365 2000-12-12 Akim Demaille <akim@epita.fr>
18366
18367 * src/reader.c (copy_definition, parse_union_decl, copy_action)
18368 (copy_guard): Quote the file names.
18369 Reported by Laurent Mascherpa.
18370
18371 2000-12-12 Akim Demaille <akim@epita.fr>
18372
18373 * src/output.c (output_headers, output_program, output): Be sure
18374 to escape special characters when outputting filenames.
18375 (ACTSTR_PROLOGUE, ACTSTR_EPILOGUE): Remove.
18376 (output_headers): Don't depend on them, Use ACTSTR.
18377
18378 2000-11-17 Akim Demaille <akim@epita.fr>
18379
18380 * lib/obstack.h: Formatting changes.
18381 (obstack_grow, obstack_grow0): Don't cast WHERE at all: it
18382 prevents type checking.
18383 (obstack_ptr_grow, obstack_ptr_grow_fast): When assigning, don't
18384 cast the value to (void *): assigning a `foo *' to a `void *'
18385 variable is valid.
18386 (obstack_int_grow, obstack_int_grow_fast): Don't cast AINT to int.
18387 * src/reader.c (parse_union_decl): Typo: use obstack_1grow to
18388 append characters.
18389
18390 2000-11-17 Akim Demaille <akim@epita.fr>
18391
18392 * tests/Makefile.am (suite.m4, regression.m4, calc.m4): Rename
18393 as...
18394 (suite.m4, regression.m4, calc.m4): these.
18395 * tests/atgeneral.m4: Update from CVS Autoconf.
18396
18397 2000-11-17 Akim Demaille <akim@epita.fr>
18398
18399 * tests/regression.m4 (%union and --defines): New test,
18400 demonstrating a current bug in the obstack implementation.
18401
18402 2000-11-17 Akim Demaille <akim@epita.fr>
18403
18404 * src/bison.s1 (_YY_DECL_VARIABLES, YY_DECL_VARIABLES): New
18405 macros.
18406 Use them to declare the variables which are global or local to
18407 `yyparse'.
18408
18409 2000-11-17 Akim Demaille <akim@epita.fr>
18410
18411 * acconfig.h: Remove, no longer used.
18412
18413 2000-11-07 Akim Demaille <akim@epita.fr>
18414
18415 * src: s/Copyright (C)/Copyright/g.
18416
18417 2000-11-07 Akim Demaille <akim@epita.fr>
18418
18419 * src/reader.c (reader): #define YYLSP_NEEDED to 1 instead of just
18420 defining.
18421 * src/bison.s1: s/#ifdef YYLSP_NEEDED/#if YYLSP_NEEDED/.
18422
18423 2000-11-07 Akim Demaille <akim@epita.fr>
18424
18425 * src/bison.s1 (YYLEX): Use #if instead of #ifdef.
18426 Merge in a single CPP if/else.
18427
18428 2000-11-07 Akim Demaille <akim@epita.fr>
18429
18430 * src/output.c (output): Remove useless variables.
18431 * lib/obstack.c (obstack_grow, obstack_grow0): Rename the second
18432 argument `data' for consistency with the prototypes.
18433 Qualify it `const'.
18434 (obstack_copy, obstack_copy0): Rename the second argument as
18435 `address' for consistency. Qualify it `const'.
18436 * lib/obstack.h (obstack_copy, obstack_copy0, obstack_grow)
18437 (obstack_grow0, obstack_ptr_grow, obstack_ptr_grow_fast): Qualify
18438 `const' their input argument (`data' or `address').
18439 Adjust the corresponding macros to include `const' in casts.
18440
18441 2000-11-03 Akim Demaille <akim@epita.fr>
18442
18443 * src/Makefile.am (INCLUDES): s/PFILE/BISON_SIMPLE/.
18444 s/PFILE1/BISON_HAIRY/.
18445 Adjust dependencies.
18446
18447 2000-11-03 Akim Demaille <akim@epita.fr>
18448
18449 For some reason, this was not applied.
18450
18451 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
18452 `unlink': it's no longer used.
18453
18454 2000-11-03 Akim Demaille <akim@epita.fr>
18455
18456 * src/files.c (skeleton_find): New function, eved out of...
18457 (open_files, open_extra_files): here.
18458
18459 2000-11-03 Akim Demaille <akim@epita.fr>
18460
18461 Don't use `atexit'.
18462
18463 * src/files.c (obstack_save): New function.
18464 (done): Rename as...
18465 (output_files): this.
18466 Use `obstack_save'.
18467 * src/main.c (main): Don't use `atexit' to register `done', since
18468 it no longer has to remove tmp files, just call `output_files'
18469 when there are no errors.
18470
18471 2000-11-02 Akim Demaille <akim@epita.fr>
18472
18473 * src/files.c [VMS]: No longer include `ssdef.h', no longer define
18474 `unlink': it's no longer used.
18475 * src/files.h: Formatting changes.
18476
18477 2000-11-02 Akim Demaille <akim@epita.fr>
18478
18479 Remove the last uses of mktemp and unlink/delete.
18480
18481 * src/files.c (fdefines, ftable): Removed.
18482 (defines_ostack, table_obstack): New.
18483 Adjust dependencies of the former into uses of the latter.
18484 * src/output.c (output_short_or_char_table, output_short_table):
18485 Convert to using obstacks.
18486 * src/reader.c (copy_comment2): Accept one FILE * and two
18487 obstacks.
18488 (output_token_defines, reader_output_yylsp): Use obstacks.
18489 * src/system.h (obstack_fgrow3): New.
18490 * po/POTFILES.in: Adjust.
18491
18492 2000-11-01 Akim Demaille <akim@epita.fr>
18493
18494 Change each use of `fattrs' into a use of `attrs_obstack'.
18495
18496 * src/reader.c (copy_at): Typo: s/yylloc/yyloc/.
18497 * src/files.c (fattrs): Remove.
18498 (attrs_obstack): New.
18499 Adjust all dependencies.
18500 (done): If SEMANTIC_PARSER, dump attrs_obstack into attrsfile.
18501
18502 2000-11-01 Akim Demaille <akim@epita.fr>
18503
18504 Introduce obstacks.
18505 Change each use of `faction' into a use of `action_obstack'.
18506
18507 * lib/obstack.h, lib/obstack.c: New files.
18508 * src/files.c (faction): Remove.
18509 (action_obstack): New.
18510 Adjust all dependencies.
18511
18512 2000-10-20 Akim Demaille <akim@epita.fr>
18513
18514 * lib/quote.h (PARAMS): New macro. Use it.
18515
18516 2000-10-16 Akim Demaille <akim@epita.fr>
18517
18518 * src/output.c (output_short_or_char_table): New function.
18519 (output_short_table, output_token_translations): Use it.
18520 (goto_actions): Use output_short_table.
18521
18522 2000-10-16 Akim Demaille <akim@epita.fr>
18523
18524 * src/symtab.c (bucket_new): New function.
18525 (getsym): Use it.
18526
18527 * src/output.c (output_short_table): New argument to display the
18528 comment associated with the table.
18529 Adjust dependencies.
18530 (output_gram): Use it.
18531 (output_rule_data): Nicer output layout for YYTNAME.
18532
18533 2000-10-16 Akim Demaille <akim@epita.fr>
18534
18535 * src/lex.c (read_typename): New function.
18536 (lex): Use it.
18537 * src/reader.c (copy_dollar): Likewise.
18538
18539 2000-10-16 Akim Demaille <akim@epita.fr>
18540
18541 * src/reader.c (copy_comment2): Expect the input stream to be on
18542 the `/' which is suspected to open a comment, instead of being
18543 called after `//' or `/*' was read.
18544 (copy_comment, copy_definition, parse_union_decl, copy_action)
18545 (copy_guard): Adjust.
18546
18547 2000-10-16 Akim Demaille <akim@epita.fr>
18548
18549 * src/reader.c (parse_expect_decl): Use `skip_white_space' and
18550 `read_signed_integer'.
18551
18552 2000-10-16 Akim Demaille <akim@epita.fr>
18553
18554 * src/reader.c (copy_dollar): New function.
18555 (copy_guard, copy_action): Use it.
18556
18557 2000-10-16 Akim Demaille <akim@epita.fr>
18558
18559 * lib/quote.h, lib/quote.c, lib/quotearg.h, lib/quotearg.c:
18560 * m4/prereq.m4, m4/c-bs-a.m4, m4/mbstate.m4:
18561 New files, from Fileutils 4.0.27.
18562 * src/main.c (printable_version): Remove.
18563 * src/lex.c, src/reader.c: Use `quote'.
18564
18565 2000-10-04 Akim Demaille <akim@epita.fr>
18566
18567 * lib/error.c, lib/error.h: New files, needed by xmalloc.c.
18568
18569 2000-10-04 Akim Demaille <akim@epita.fr>
18570
18571 * doc/bison.texinfo: Various typos spotted by Neil Booth.
18572
18573 2000-10-04 Akim Demaille <akim@epita.fr>
18574
18575 When a literal string is used to define two different tokens,
18576 `bison -v' segfaults.
18577 Reported by Piotr Gackiewicz, and fixed by Neil Booth.
18578
18579 * tests/regression.m4: New file.
18580 Include the core of the sample provided by Piotr Gackiewicz.
18581 * src/reader.c (parse_token_decl): Diagnose bad cases, and proceed
18582 properly.
18583
18584 2000-10-04 Akim Demaille <akim@epita.fr>
18585
18586 * src/reader.c (parse_expect_decl): Keep `count' within the size
18587 of `buffer'.
18588 From Neil Booth.
18589
18590 2000-10-02 Paul Eggert <eggert@twinsun.com>
18591
18592 * bison.s1 (yyparse): Assign the default value
18593 unconditionally, to avoid a GCC warning and make the parser a
18594 tad smaller.
18595
18596 2000-10-02 Akim Demaille <akim@epita.fr>
18597
18598 * src/getargs.c (getargs): Don't dump `--help' on unrecognized
18599 options.
18600
18601 2000-10-02 Akim Demaille <akim@epita.fr>
18602
18603 * src/derives.c, src/print.c, src/reduce.c: To ease the
18604 translation, move some `\n' out of the translated strings.
18605
18606 2000-10-02 Akim Demaille <akim@epita.fr>
18607
18608 The location tracking mechanism is precious for parse error
18609 messages. Nevertheless, it is enabled only when `@n' is used in
18610 the grammar, which is a different issue (you can use it in error
18611 message, but not in the grammar per se). Therefore, there should
18612 be another means to enable it.
18613
18614 * src/getargs.c (getargs): Support `--locations'.
18615 (usage): Report it.
18616 * src/getargs.h (locationsflag): Export it.
18617 * src/lex.c (percent_table): Support `%locations'.
18618 * src/reader.c (yylsp_needed): Remove this variable, now replaced
18619 with `locationsflag'.
18620 * doc/bison.texinfo: Document `--locations' and `%locations'.
18621 Sort the options.
18622 * tests/calc.m4: Test it.
18623
18624 For regularity of the names, replace each
18625 (nolineflag, toknumflag, rawtokenumflag, noparserflag): with...
18626 (no_lineflag, token_tableflag, rawflag, no_parserflag): this.
18627 In addition replace each `flag' with `_flag'.
18628
18629 2000-10-02 Akim Demaille <akim@epita.fr>
18630
18631 Also test parse error messages, including with YYERROR_VERBOSE.
18632
18633 * tests/calc.m4 (calc.y): Add support for `exp = exp' (non
18634 associative).
18635 Use it to check the computations.
18636 Use it to check `nonassoc' is honored.
18637 (AT_DATA_CALC_Y): Equip `calc.y' with YYERROR_VERBOSE when passed
18638 `--yyerror-verbose'.
18639 (_AT_CHECK_CALC): Adjust to this option.
18640 (_AT_CHECK_CALC_ERROR): New macro to check parse error messages.
18641
18642 2000-10-02 Akim Demaille <akim@epita.fr>
18643
18644 Test also `--verbose', `--defines' and `--name-prefix'. Testing
18645 the latter demonstrates a flaw in the handling of non debugging
18646 parsers introduced by myself on 2000-03-16: `#define yydebug 0'
18647 was used in order to simplify:
18648
18649 #if YYDEBUG
18650 if (yydebug)
18651 {
18652 ...
18653 }
18654 #endif
18655
18656 into
18657
18658 if (yydebug)
18659 {
18660 ...
18661 }
18662
18663 unfortunately this leads to a CPP conflict when
18664 `--name-prefix=foo' is used since it produces `#define yydebug
18665 foodebug'.
18666
18667 * src/bison.s1 [!YYDEBUG]: Do not define yydebug.
18668 (YYDPRINTF): New macro.
18669 Spread its use.
18670 * tests/calc.m4 (AT_CHECK_CALC): Do require a title, build it from
18671 the bison options.
18672 Also test `--verbose', `--defines' and `--name-prefix'.
18673
18674 2000-10-02 Akim Demaille <akim@epita.fr>
18675
18676 Improve the readability of the produced parsers.
18677
18678 * src/bison.s1: Formatting changes.
18679 Improve the comment related to the `$' mark.
18680 (yydefault): Don't fall through to `yyresume': `goto' there.
18681 * src/output.c (output_parser): When the `$' is met, skip the end
18682 of its line.
18683 New variable, `number_of_dollar_signs', to check there's exactly
18684 one `$' in the parser skeleton.
18685
18686 2000-10-02 Akim Demaille <akim@epita.fr>
18687
18688 * lib/xstrdup.c: New file, from the fileutils.
18689 * src/reader.c (parse_token_decl, get_type_name, parse_type_decl)
18690 (parse_assoc_decl, parse_thong_decl, get_type): Use `xstrdup'
18691 instead of strlen + xmalloc + strcpy.
18692 * src/symtab.c (copys): Remove, use xstrdup instead.
18693
18694 2000-10-02 Akim Demaille <akim@epita.fr>
18695
18696 * src/gram.h (associativity): New enum type which replaces the
18697 former CPP macros `RIGHT_ASSOC', `LEFT_ASSOC' and `NON_ASSOC' with
18698 `right_assoc', `left_assoc' and `non_assoc'.
18699 Adjust all dependencies.
18700 * src/reader.c: Formatting changes.
18701 (LTYPESTR): Don't define it, use it as a literal in
18702 `reader_output_yylsp'.
18703 * src/symtab.h (symbol_class): New enum type which replaces the
18704 former CPP macros `SUNKNOWN', `STOKEN and `SNTERM' with
18705 `sunknown', `stoken and `snterm'.
18706
18707 2000-10-02 Akim Demaille <akim@epita.fr>
18708
18709 * src/getargs.c (fixed_outfiles): Rename as...
18710 (yaccflag): for consistency and accuracy.
18711 Adjust dependencies.
18712
18713 2000-10-02 Akim Demaille <akim@epita.fr>
18714
18715 Use the more standard files `xalloc.h' and `xmalloc.c' instead of
18716 Bison's `allocate.c' and `alloc.h'. This patch was surprisingly
18717 difficult and introduced a lot of core dump. It turns out that
18718 Bison used an implementation of `xmalloc' based on `calloc', and
18719 at various places it does depend upon the initialization to 0. I
18720 have not tried to isolate the pertinent places, and all the former
18721 calls to Bison's `xmalloc' are now using `XCALLOC'. Someday,
18722 someone should address this issue.
18723
18724 * src/allocate.c, src/alloc.h, m4/bison-decl.m4: Remove.
18725 * lib/xmalloc.c, lib/xalloc.h, m4/malloc.m4, m4/realloc.m4: New
18726 files.
18727 Adjust dependencies.
18728 * src/warshall.h: New file.
18729 Propagate.
18730
18731 2000-10-02 Akim Demaille <akim@epita.fr>
18732
18733 Various anti-`extern in *.c' changes.
18734
18735 * src/system.h: Include `assert.h'.
18736
18737 2000-10-02 Akim Demaille <akim@epita.fr>
18738
18739 * src/state.h (nstates, final_state, first_state, first_shift)
18740 (first_reduction): Move their exportation from here...
18741 * src/LR0.h: to here.
18742 Adjust dependencies.
18743 * src/getargs.c (statisticsflag): New variable.
18744 Add support for `--statistics'.
18745 Adjust dependencies.
18746
18747 Remove a lot of now useless `extern' statements in most files.
18748
18749 2000-10-02 Akim Demaille <akim@epita.fr>
18750
18751 * src/LR0.h: New file.
18752 Propagate its use.
18753
18754 2000-10-02 Akim Demaille <akim@epita.fr>
18755
18756 * src/print.h: New file.
18757 Propagate its use.
18758 * src/print.c: Formatting and ordering changes.
18759 (verbose, terse): Replace with...
18760 (print_results): this new function.
18761 Adjust dependencies.
18762
18763 2000-10-02 Akim Demaille <akim@epita.fr>
18764
18765 * src/conflicts.c (conflict_report): New function.
18766 (conflict_log, verbose_conflict_log): Replace with...
18767 (print_conflicts): this function.
18768 Adjust dependencies.
18769 * src/conflicts.h: New file.
18770 Propagate its inclusion.
18771
18772 2000-10-02 Akim Demaille <akim@epita.fr>
18773
18774 * src/nullable.h: New file.
18775 Propagate its inclusion.
18776 * src/nullable.c: Formatting changes.
18777
18778 2000-10-02 Akim Demaille <akim@epita.fr>
18779
18780 * src/reduce.h: New file.
18781 Propagate its inclusion.
18782 * src/reduce.c: Topological sort and other formatting changes.
18783 (bool, TRUE, FALSE): Move their definition to...
18784 * src/system.h: here.
18785
18786 2000-10-02 Akim Demaille <akim@epita.fr>
18787
18788 * src/files.c: Formatting changes.
18789 (tryopen, tryclose, openfiles): Rename as...
18790 (xfopen, xfclose, open_files): this.
18791 (stringappend): static.
18792 * src/files.h: Complete the list of exported symbols.
18793 Propagate its use.
18794
18795 2000-10-02 Akim Demaille <akim@epita.fr>
18796
18797 * src/reader.h: New file.
18798 Propagate its use instead of tedious list of `extern' and
18799 prototypes.
18800 * src/reader.c: Formatting changes, topological sort,
18801 s/register//.
18802
18803 2000-10-02 Akim Demaille <akim@epita.fr>
18804
18805 * src/lex.h: Prototype `lex.c' exported functions.
18806 * src/reader.c: Adjust.
18807 * src/lex.c: Formatting changes.
18808 (safegetc): Rename as...
18809 (xgetc): this.
18810
18811 2000-10-02 Akim Demaille <akim@epita.fr>
18812
18813 * src/lalr.h: New file.
18814 Propagate its inclusion instead of prototypes and `extern'.
18815 * src/lalr.c: Formatting changes, topological sorting etc.
18816
18817 2000-10-02 Akim Demaille <akim@epita.fr>
18818
18819 * src/output.c (token_actions): Introduce a temporary array,
18820 YYDEFACT, that makes it possible for this function to use
18821 output_short_table.
18822
18823 2000-10-02 Akim Demaille <akim@epita.fr>
18824
18825 `user_toknums' is output as a `short[]' in `output.c', while it is
18826 defined as a `int[]' in `reader.c'. For consistency with the
18827 other output tables, `user_toknums' is now defined as a table of
18828 shorts.
18829
18830 * src/reader.c (user_toknums): Be a short table instead of an int
18831 table.
18832 Adjust dependencies.
18833
18834 Factor the short table outputs.
18835
18836 * src/output.c (output_short_table): New function.
18837 * src/output.c (output_gram, output_stos, output_rule_data)
18838 (output_base, output_table, output_check): Use it.
18839
18840 2000-10-02 Akim Demaille <akim@epita.fr>
18841
18842 * src/output.c (output): Topological sort of the functions, in
18843 order to get rid of the `static' prototypes.
18844 No longer use `register'.
18845 * src/output.h: New file.
18846 Propagate its inclusion in files explicitly prototyping functions
18847 from output.c.
18848
18849 2000-09-21 Akim Demaille <akim@epita.fr>
18850
18851 * src/atgeneral.m4: Update from Autoconf.
18852
18853 2000-09-21 Akim Demaille <akim@epita.fr>
18854
18855 * src/closure.h: New file.
18856 * src/closure.c: Formatting changes, topological sort over the
18857 functions, use of closure.h.
18858 (initialize_closure, finalize_closure): Rename as...
18859 (new_closure, free_closure): these. Adjust dependencies.
18860 * src/LR0.c: Formatting changes, topological sort, use of
18861 cloture.h.
18862 (initialize_states): Rename as...
18863 (new_states): this.
18864 * src/Makefile.am (noinst_HEADERS): Adjust.
18865
18866 2000-09-20 Akim Demaille <akim@epita.fr>
18867
18868 * src/acconfig.h: Don't protect config.h against multiple
18869 inclusion.
18870 Don't define PARAMS.
18871 * src/system.h: Define PARAMS.
18872 Remove some of the ad-hoc CPP magic for DOS, VMS etc.: this is the
18873 purpose of config.h. system.h must not try to fix wrong
18874 definitions in config.h.
18875
18876 2000-09-20 Akim Demaille <akim@epita.fr>
18877
18878 * src/derives.h: New file.
18879 * src/main.c, src/derives.h: Use it.
18880 Formatting changes.
18881 * src/Makefile.am (noinst_HEADERS): Adjust.
18882
18883 2000-09-20 Akim Demaille <akim@epita.fr>
18884
18885 * tests/atgeneral.m4: Update from Autoconf.
18886 * tests/calc.m4 (_AT_DATA_CALC_Y, AT_DATA_CALC_Y, _AT_CHECK_CALC)
18887 (AT_CHECK_CALC): New macros.
18888 Use these macros to test bison with options `', `--raw',
18889 `--debug', `--yacc', `--yacc --debug'.
18890
18891 2000-09-19 Akim Demaille <akim@epita.fr>
18892
18893 * src/output.c: Formatting changes.
18894 * src/machine.h: Remove, leaving its contents in...
18895 * src/system.h: here.
18896 Include stdio.h.
18897 Adjust all dependencies on stdio.h and machine.h.
18898 * src/getargs.h: New file.
18899 Let all `extern' declarations about getargs.c be replaced with
18900 inclusion of `getargs.h'.
18901 * src/Makefile.am (noinst_HEADERS): Adjust.
18902
18903 * tests/calc.m4 (yyin): Be initialized in main, not on the global
18904 scope.
18905 (yyerror): Returns void, not int.
18906 * doc/bison.texinfo: Formatting changes.
18907
18908 2000-09-19 Akim Demaille <akim@epita.fr>
18909
18910 * tests/calc.m4 (calc.y): Do not assign to stdin, as it's not
18911 portable.
18912
18913 2000-09-18 Akim Demaille <akim@epita.fr>
18914
18915 * configure.in: Append WARNING_CFLAGS to CFLAGS.
18916 * src/Makefile.am (INCLUDES): Don't.
18917 Be ready to fetch headers in lib/.
18918
18919 2000-09-18 Akim Demaille <akim@epita.fr>
18920
18921 * doc/bison.texinfo: Update the copyright.
18922 ANSIfy and GNUify the examples.
18923 Remove the old menu.
18924
18925 2000-09-18 Akim Demaille <akim@epita.fr>
18926
18927 First set of tests: use the `calc' example from the documentation.
18928
18929 * src/bison.s1 (yyparse): Condition the code using `yytname' which
18930 is defined only when YYDEBUG is.
18931 * m4/atconfig.m4 (AT_CONFIG): Adjust to Autoconf 2.13.
18932 * src/files.c (tryopen, tryclose): Formatting changes.
18933 Move to the top and be static.
18934 * src/reader.c (read_signed_integer): Likewise.
18935 * tests/calc.m4: New file.
18936 * Makefile.am, suite.m4: Adjust.
18937 * m4/atconfig.m4: Set BISON_SIMPLE and BISON_HAIRY.
18938
18939 2000-09-18 Akim Demaille <akim@epita.fr>
18940
18941 Add support for an Autotest test suite for Bison.
18942
18943 * m4/m4.m4, m4/atconfig.m4: New files.
18944 * m4/Makefile.am (EXTRA_DIST): Adjust.
18945 * tests/suite.m4, tests/Makefile.am, tests/atgeneral.m4: New
18946 files.
18947 * src/getargs.c: Display a more standard --version message.
18948 * src/reader.c (reader): Formatting changes.
18949 No longer depend upon VERSION_STRING.
18950 * configure.in: No longer use `dnl'.
18951 Set up the test suite and the new directory `tests/.
18952 (VERSION_STRING): Remove.
18953
18954 2000-04-14 Akim Demaille <akim@epita.fr>
18955
18956 * src/reader.c (copy_comment2): New function, same as former
18957 `copy_comment', but outputs into two FILE *.
18958 (copy_comment): Use it.
18959 (parse_union_decl): Use it.
18960 (get_type, parse_start_decl): Use the same `invalid' message.
18961 (parse_start_decl, parse_union_decl): Use the same `multiple'
18962 message.
18963 (parse_union_decl, copy_guard, copy_action): Use the same
18964 `unmatched' message.
18965 * m4/Makefile.am (EXTRA_DIST): Add `warning.m4'.
18966
18967 2000-03-31 Akim Demaille <akim@epita.fr>
18968
18969 * src/files.c (tryopen, tryclose): Move to the top.
18970 Be static.
18971
18972 2000-03-31 Akim Demaille <akim@epita.fr>
18973
18974 * src/main.c (main): Don't call `done', exit does it.
18975
18976 2000-03-31 Akim Demaille <akim@epita.fr>
18977
18978 * allocate.c: s/return (foo)/return foo/.
18979 * lalr.c: Likewise.
18980 * LR0.c: Likewise.
18981 * output.c: Likewise.
18982 * reader.c: Likewise.
18983 * symtab.c: Likewise.
18984 * vmsgetargs.c: Likewise.
18985
18986 2000-03-31 Akim Demaille <akim@epita.fr>
18987
18988 Clean up the error reporting functions.
18989
18990 * src/report.c: New file.
18991 * src/report.h: Likewise.
18992 * src/Makefile.am: Adjust.
18993 * m4/error.m4: New file.
18994 * m4/Makefile.am: Adjust.
18995 * configure.in (jm_PREREQ_ERROR): Call it.
18996 * src/main.c (int_to_string, banner, fatal_banner, warn_banner):
18997 Remove.
18998 (fatal, fatals): Remove. All callers use complain.c::fatal.
18999 (warn, warni, warns, warnss, warnss): Remove. All callers use
19000 complain.c::complain.
19001 (toomany): Remove, use fatal instead.
19002 * src/files.c (done): No argument, use complain_message_count.
19003 * src/main.c (main): Register `done' to `atexit'.
19004
19005 * src/getargs.c (usage): More `fputs', less `fprintf'.
19006
19007 2000-03-28 Akim Demaille <akim@epita.fr>
19008
19009 * lib/: New directory.
19010 * Makefile.am (SUBDIRS): Adjust.
19011 * configure.in: Adjust.
19012 (LIBOBJS): Although not used yet, AC_SUBST it, otherwise it's
19013 useless.
19014 * src/alloca.c: Moved to lib/.
19015 * src/getopt.c: Likewise.
19016 * src/getopt1.c: Likewise.
19017 * src/getopt.h: Likewise.
19018 * src/ansi2knr.c: Likewise.
19019 * src/ansi2knr.1: Likewise.
19020 * src/Makefile.am: Adjust.
19021 * lib/Makefile.am: New file.
19022
19023 2000-03-28 Akim Demaille <akim@epita.fr>
19024
19025 * src/getargs.c (usage): Refresh the help message.
19026
19027 2000-03-17 Akim Demaille <akim@epita.fr>
19028
19029 * src/getopt1.c: Updated from textutils 2.0e
19030 * src/getopt.c: Likewise.
19031 * src/getopt.h: Likewise.
19032
19033 2000-03-17 Akim Demaille <akim@epita.fr>
19034
19035 * src/Makefile.am (bison.simple): Fix the awk program: quote only
19036 the file name, not the whole `#line LINE FILE'.
19037
19038 2000-03-17 Akim Demaille <akim@epita.fr>
19039
19040 On syntax errors, report the token on which we choked.
19041
19042 * src/bison.s1 (yyparse): In the label yyerrlab, when
19043 YYERROR_VERBOSE, add yychar in msg.
19044
19045 2000-03-17 Akim Demaille <akim@epita.fr>
19046
19047 * src/reader.c (copy_at): New function.
19048 (copy_guard): Use it.
19049 (copy_action): Use it.
19050
19051 2000-03-17 Akim Demaille <akim@epita.fr>
19052
19053 Be kind to translators, save some useless translations.
19054
19055 * src/main.c (banner): New function.
19056 (fatal_banner): Use it.
19057 (warn_banner): Use it.
19058
19059 2000-03-17 Akim Demaille <akim@epita.fr>
19060
19061 * src/reader.c (copy_definition): Use copy_string and
19062 copy_comment. Removed now unused `match', `ended',
19063 `cplus_comment'.
19064 (copy_comment, copy_string): Moved, to be visible from
19065 copy_definition.
19066
19067 2000-03-17 Akim Demaille <akim@epita.fr>
19068
19069 * src/reader.c (copy_string): Declare `static inline'. No
19070 problems with inline, since it is checked by configure.
19071 (copy_comment): Likewise.
19072
19073 2000-03-17 Akim Demaille <akim@epita.fr>
19074
19075 * src/reader.c (packsymbols): Formatting changes.
19076
19077 2000-03-17 Akim Demaille <akim@epita.fr>
19078
19079 * src/reader.c (copy_comment): New function, factored out from:
19080 (copy_action): Use it. Removed now unused `match', `ended',
19081 `cplus_comment'.
19082 (copy_guard): Likewise.
19083
19084 2000-03-17 Akim Demaille <akim@epita.fr>
19085
19086 * src/reader.c (copy_string): New function, factored out from:
19087 (copy_action): Use it.
19088 (copy_guard): Likewise.
19089
19090 2000-03-17 Akim Demaille <akim@epita.fr>
19091
19092 Change the handling of @s so that they behave exactly like $s.
19093 There is now a pseudo variable @$ (readble and writable), location
19094 of the lhs of the rule (by default ranging from the location of
19095 the first symbol of the rhs, to the location of the last symbol,
19096 or, if the rhs is empty, YYLLOC).
19097
19098 * src/bison.s1 [YYLSP_NEEDED] (yyloc): New variable, twin of
19099 yyval.
19100 (yyparse): When providing a default semantic action, provide a
19101 default location action.
19102 (after the $): No longer change `*YYLSP', just stack YYLOC the
19103 same way you stack YYVAL.
19104 * src/reader.c (read_declarations): Use warns.
19105 (copy_guard, case '@'): Also recognize `@$', expanded as `YYLOC'.
19106 (copy_action, case '@'): Likewise.
19107 Use a standard error message, to save useless work from
19108 translators.
19109
19110 2000-03-17 Akim Demaille <akim@epita.fr>
19111
19112 * src/bison.s1: Formatting and cosmetics changes.
19113 * src/reader.c: Likewise.
19114 Update the Copyright notice.
19115
19116 2000-03-17 Akim Demaille <akim@epita.fr>
19117
19118 * src/bison.s1 (#line): All set to `#line' only, since the
19119 Makefile now handles them.
19120
19121 2000-03-16 Akim Demaille <akim@epita.fr>
19122
19123 * src/output.c (output_rule_data): Output the documentation of
19124 some of the tables.
19125 (Copyright notice): Update.
19126 Formatting changes.
19127
19128 2000-03-16 Akim Demaille <akim@epita.fr>
19129
19130 * src/bison.s1 [!YYDEBUG]: Define yydebug to 0. This allows to
19131 remove most `#if YYDEBUG != 0', since `if (yydebug)' is enough.
19132 One `#if YYDEBUG' remains, since it uses variables which are
19133 defined only if `YYDEBUG != 0'.
19134
19135 2000-03-16 Akim Demaille <akim@epita.fr>
19136
19137 * src/bison.s1 (yyparse): Reorganize the definitions of the stacks
19138 and related variables so that the similarities are highlighted.
19139
19140 2000-03-16 Akim Demaille <akim@epita.fr>
19141
19142 * src/bison.s1: Properly indent CPP directives.
19143
19144 2000-03-16 Akim Demaille <akim@epita.fr>
19145
19146 * src/bison.s1: Properly indent the `alloca' CPP section.
19147
19148 2000-03-16 Akim Demaille <akim@epita.fr>
19149
19150 Do not hard code values of directories in `configure.in'.
19151 Update the `configure' tool chain.
19152
19153 * configure.in (XPFILE, XPFILE1, LOCALEDIR): Remove, handled by
19154 src/makefile.am.
19155 (VERSION_STRING): Use the third arg of AC_DEFINE_UNQUOTED.
19156 (AC_OUTPUT): Add m4/Makefile.
19157 Bump to bison 1.28a, 1.29 has never been released.
19158 * acconfig.h (XPFILE, XPFILE1, LOCALEDIR): Remove, since they are
19159 handled via src/Makefile.am.
19160 (VERSION_STRING, PROTOTYPES, ENABLE_NLS, HAVE_CATGETS,
19161 HAVE_GETTEXT, HAVE_LC_MESSAGES, HAVE_STPCPY): Remove, handled by
19162 autoheader.
19163 * Makefile.am (SUBDIRS): Add m4.
19164 (ACLOCAL_AM_FLAGS): New variable.
19165 (AUTOMAKE_OPTIONS): Add check-news.
19166 * src/Makefile.am (bison.simple): Use awk to replace #line lines with
19167 the proper line number and file name.
19168 (DEFS): Propagate the location of bison library files and of the
19169 locale files.
19170 (INCLUDES): Added `-I ..' so that one can compile with srcdir !=
19171 builddir.
19172 * acinclude.m4: Remove, replaced by the directory m4.
19173 * m4/Makefile.am (EXTRA_DIST): New variable.
19174 * m4/gettext.m4: New file, from the fileutils.
19175 * m4/lcmessage.m4: Likewise
19176 * m4/progtest.m4: Likewise.
19177 * m4/bison-decl.m4: New file, extracted from former acinclude.m4.
19178
19179 2000-03-10 Akim Demaille <akim@epita.fr>
19180
19181 * src/closure.c:
19182 Formatting changes of various comments.
19183 Respect the GNU coding standards at various places.
19184 Don't use `_()' when no translation is needed.
19185
19186 1999-12-13 Jesse Thilo <jthilo@gnu.org>
19187
19188 * src/files.c:
19189 OS/2 honors TMPDIR environment variable.
19190
19191 1999-12-13 Jesse Thilo <jthilo@gnu.org>
19192
19193 * doc/bison.texinfo: Tweaked spelling and grammar.
19194 Updated ISBN.
19195 Removed reference to price of printed copy.
19196 Mention BISON_SIMPLE and BISON_HAIRY.
19197
19198 1999-12-13 Jesse Thilo <jthilo@gnu.org>
19199
19200 * configure.in, NEWS:
19201 Bison 1.29 released.
19202
19203 1999-10-27 Jesse Thilo <jthilo@gnu.org>
19204
19205 * doc/.cvsignore, doc/Makefile.am, doc/refcard.tex:
19206 Added reference card.
19207
19208 1999-07-26 Jesse Thilo <jthilo@gnu.org>
19209
19210 * po/ru.po: Added Russian translation.
19211
19212 1999-07-26 Jesse Thilo <jthilo@gnu.org>
19213
19214 * configure.in: Added Russian translation.
19215
19216 1999-07-06 Jesse Thilo <jthilo@gnu.org>
19217
19218 * configure.in, NEWS, README:
19219 Released version 1.28.
19220
19221 1999-06-14 Jesse Thilo <jthilo@gnu.org>
19222
19223 * src/system.h:
19224 Squashed redefinition warning on some systems.
19225
19226 * src/getargs.c, src/Makefile.am, src/reader.c, src/version.c:
19227 Have configure build version string instead of relying on ANSI string
19228 concatentation.
19229
19230 1999-06-14 Jesse Thilo <jthilo@gnu.org>
19231
19232 * po/POTFILES.in: Got rid of version.c.
19233
19234 1999-06-14 Jesse Thilo <jthilo@gnu.org>
19235
19236 * acconfig.h, configure.in:
19237 Have configure build version string instead of relying on ANSI string
19238 concatentation.
19239
19240 1999-06-08 Jesse Thilo <jthilo@gnu.org>
19241
19242 * doc/bison.1:
19243 Dropped mention of `+' for long-named options.
19244
19245 1999-05-30 Jesse Thilo <jthilo@gnu.org>
19246
19247 * src/files.c: Added <unistd.h> for unlink().
19248
19249 * src/Makefile.am, src/system.h:
19250 I18n fixes.
19251
19252 1999-05-30 Jesse Thilo <jthilo@gnu.org>
19253
19254 * README: Added a FAQ list.
19255
19256 * configure.in, acconfig.h:
19257 I18n fixes.
19258
19259 1999-05-30 Jesse Thilo <jthilo@gnu.org>
19260
19261 * doc/FAQ, doc/Makefile.am:
19262 Added a FAQ list.
19263
19264 1999-05-19 Jesse Thilo <jthilo@gnu.org>
19265
19266 * src/alloc.h, src/symtab.h, src/version.c:
19267 Protected inclusion of "config.h" with HAVE_CONFIG_H.
19268
19269 1999-04-18 Jesse Thilo <jthilo@gnu.org>
19270
19271 * src/.cvsignore, src/Makefile.am:
19272 Reorganized: sources in `src', documentation in `doc'.
19273
19274 * src/lex.c (literalchar):
19275 fixed the code for escaping double quotes (thanks
19276 Jonathan Czisny.)
19277
19278 1999-04-18 Jesse Thilo <jthilo@gnu.org>
19279
19280 * po/de.po, po/es.po, po/fr.po, po/nl.po, po/POTFILES.in:
19281 Adjusted paths to reflect directory reorganization.
19282
19283 1999-04-18 Jesse Thilo <jthilo@gnu.org>
19284
19285 * doc/.cvsignore, doc/Makefile.am:
19286 Reorganized: sources in `src', documentation in `doc'.
19287
19288 1999-04-18 Jesse Thilo <jthilo@gnu.org>
19289
19290 * configure.in:
19291 Updated AC_INIT file to reflect directory reorganization.
19292
19293 * configure.in, .cvsignore, Makefile.am, POTFILES.in:
19294 Reorganized: sources in `src', documentation in `doc'.
19295
19296 1999-04-13 Jesse Thilo <jthilo@gnu.org>
19297
19298 * src/allocate.c:
19299 Don't declare calloc() and realloc() if not necessary.
19300
19301 1999-04-13 Jesse Thilo <jthilo@gnu.org>
19302
19303 * configure.in, acconfig.h, acinclude.m4:
19304 Don't declare calloc() and realloc() if not necessary.
19305
19306 1999-03-23 Jesse Thilo <jthilo@gnu.org>
19307
19308 * po/.cvsignore: Added i18n support.
19309
19310 1999-03-23 Jesse Thilo <jthilo@gnu.org>
19311
19312 * acconfig.h, configure.in, Makefile.am:
19313 Added i18n support.
19314
19315 1999-03-22 Jesse Thilo <jthilo@gnu.org>
19316
19317 * src/bison.s1: Fixed #line numbers.
19318
19319 1999-03-15 Jesse Thilo <jthilo@gnu.org>
19320
19321 * po/es.po, po/fr.po, po/nl.po, po/de.po:
19322 Added PO files from Translation Project.
19323
19324 1999-03-03 Jesse Thilo <jthilo@gnu.org>
19325
19326 * Makefile.am:
19327 Added support for non-ANSI compilers (ansi2knr).
19328
19329 1999-02-16 Jesse Thilo <jthilo@gnu.org>
19330
19331 * configure.in: Bumped version number to 1.27.
19332
19333 * Makefile.am:
19334 Added `bison.simple' to list of files removed by `make distclean'.
19335
19336 1999-02-12 Jesse Thilo <jthilo@gnu.org>
19337
19338 * src/files.c, src/files.h:
19339 Defined locations of parser files in config.h instead of Makefile.
19340
19341 1999-02-12 Jesse Thilo <jthilo@gnu.org>
19342
19343 * acconfig.h, acinclude.m4, configure.in, Makefile.am:
19344 Defined locations of parser files in config.h instead of Makefile.
19345
19346 1999-02-09 Jesse Thilo <jthilo@gnu.org>
19347
19348 * Makefile.am:
19349 Removed inappropriate use of $< macro.
19350
19351 1999-02-05 Jesse Thilo <jthilo@gnu.org>
19352
19353 * po/Makefile.in.in, po/POTFILES.in:
19354 Add `po' directory skeleton.
19355
19356 1999-01-27 Jesse Thilo <jthilo@gnu.org>
19357
19358 * README: Document help-bison list.
19359
19360 * configure.in: Add check for mkstemp().
19361
19362 1999-01-20 Jesse Thilo <jthilo@gnu.org>
19363
19364 * src/conflicts.c, src/LR0.c, src/output.c, src/reader.c:
19365 Hush a few compiler warnings.
19366
19367 * src/files.c:
19368 Add tryclose(), which verifies that fclose was successful.
19369 Hush a couple of compiler warnings.
19370
19371 1999-01-20 Jesse Thilo <jthilo@gnu.org>
19372
19373 * Makefile.am, OChangeLog:
19374 ChangeLog is now automatically generated. Include the old version as
19375 OChangeLog.
19376
19377 1999-01-14 Jesse Thilo <jthilo@gnu.org>
19378
19379 * 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:
19380 Update FSF address.
19381
19382 1999-01-14 Jesse Thilo <jthilo@gnu.org>
19383
19384 * doc/bison.texinfo: Fix formatting glitch.
19385
19386 * doc/bison.texinfo: Update FSF address.
19387
19388 1999-01-14 Jesse Thilo <jthilo@gnu.org>
19389
19390 * acconfig.h: Update FSF address.
19391
19392 1999-01-08 Jesse Thilo <jthilo@gnu.org>
19393
19394 * src/system.h:
19395 Don't define PACKAGE here, since config.h defines it.
19396
19397 1998-12-30 Jesse Thilo <jthilo@gnu.org>
19398
19399 * src/reader.c: Update copyright date.
19400
19401 * src/main.c:
19402 Ditch sprintf to statically-sized buffers in fatal/warn functions in
19403 favor of output directly to stderr (avoids buffer overruns).
19404
19405 * src/reader.c: Some checks for premature EOF.
19406
19407 * 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:
19408 Use prototypes if the compiler understands them.
19409
19410 * src/files.c: Honor TMPDIR on Unix hosts.
19411 Use prototypes if the compiler understands them.
19412
19413 * src/reader.c:
19414 Fix a couple of buffer overrun bugs.
19415 Use prototypes if the compiler understands them.
19416
19417 * src/system.h: Include unistd.h and ctype.h.
19418 Use #ifdef instead of #if for NLS symbols.
19419
19420 1998-12-30 Jesse Thilo <jthilo@gnu.org>
19421
19422 * doc/bison.texinfo:
19423 Delete comment "consider using @set for edition number, etc..." since
19424 we now are doing so.
19425
19426 1998-12-30 Jesse Thilo <jthilo@gnu.org>
19427
19428 * configure.in:
19429 Use prototypes if the compiler understands them.
19430
19431 * NEWS: Document 1.26 highlights.
19432
19433 * Makefile.am: Require Automake 1.3 or later.
19434
19435 * acconfig.h:
19436 Use prototypes if the compiler understands them.
19437
19438 1998-12-29 Jesse Thilo <jthilo@gnu.org>
19439
19440 * src/version.c:
19441 Use VERSION symbol from automake for version number.
19442
19443 1998-12-29 Jesse Thilo <jthilo@gnu.org>
19444
19445 * acconfig.h, configure.in, version.cin:
19446 Use VERSION symbol from automake for version number.
19447
19448 1998-11-28 Jesse Thilo <jthilo@gnu.org>
19449
19450 * Makefile.am:
19451 Distribute original version of simple parser (bison.s1), not built
19452 version (bison.simple).
19453
19454 1998-11-28 Jesse Thilo <jthilo@gnu.org>
19455
19456 * doc/bison.texinfo: Add info dir entry.
19457
19458 * doc/bison.texinfo:
19459 Let automake put version number into documentation.
19460
19461 1998-11-26 Jesse Thilo <jthilo@gnu.org>
19462
19463 * src/bison.cld, src/build.com, src/vmshlp.mar:
19464 Add non-RCS files from /gd/gnu/bison.
19465
19466 1998-11-26 Jesse Thilo <jthilo@gnu.org>
19467
19468 * doc/bison.1:
19469 Document the BISON_HAIRY and BISON_SIMPLE variables.
19470
19471 1998-11-25 Jesse Thilo <jthilo@gnu.org>
19472
19473 * src/version.c: Build version.c automatically.
19474
19475 * src/reader.c:
19476 Fix token numbering (used to start at 258, not 257).
19477
19478 * src/system.h: Include config.h.
19479
19480 * src/getargs.c: Update bug report address.
19481
19482 * src/alloca.c, src/getopt1.c, src/getopt.c, src/getopt.h:
19483 Get latest copies of alloca.c, getopt.c, getopt.h, getopt1.c from gnu.org.
19484
19485 1998-11-25 Jesse Thilo <jthilo@gnu.org>
19486
19487 * Makefile.am:
19488 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
19489
19490 * configure.in, version.cin:
19491 Build version.c automatically.
19492
19493 * AUTHORS: Add AUTHORS file.
19494
19495 * README: Update bug report address.
19496
19497 * bison.simple:
19498 Rename bison.simple to bison.s1 (bison.simple is then built from bison.s1).
19499
19500 * configure.in, Makefile.am, Makefile.in, stamp-h.in:
19501 Add automake stuff.
19502
19503 1998-11-25 Jesse Thilo <jthilo@gnu.org>
19504
19505 * doc/bison.texinfo: Clean up some formatting.
19506
19507 1998-05-05 Richard Stallman <rms@gnu.org>
19508
19509 * doc/bison.texinfo:
19510 Explain better why to make a pure parser.
19511
19512 1998-01-05 Richard Stallman <rms@gnu.org>
19513
19514 * src/files.c (openfiles):
19515 [_WIN32 && !__CYGWIN32__] Use TEMP or Temp to
19516 find a temporary directory, if possible. Do not unlink files while
19517 they are open.
19518
19519 1997-08-25 Richard Stallman <rms@gnu.org>
19520
19521 * src/reader.c (stack_offset;):
19522 Change some warni to warns.
19523
19524 * src/lex.c (literalchar): Use warns, not warni.
19525
19526 1997-06-28 Richard Stallman <rms@gnu.org>
19527
19528 * src/bison.s1: Add a Bison version comment.
19529
19530 * src/main.c (fatal, warn, berror):
19531 Use program_name.
19532
19533 1997-06-28 Richard Stallman <rms@gnu.org>
19534
19535 * Makefile.in (bison_version): New variable.
19536 (dist): Use that variable.
19537 (bison.s1): Substitute the Bison version into bison.simple.
19538
19539 * bison.simple: Add a Bison version comment.
19540
19541 1997-06-18 Richard Stallman <rms@gnu.org>
19542
19543 * src/main.c (fatal, warn, berror):
19544 Make error messages standard.
19545 (toomany): Improve error message text.
19546
19547 * 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:
19548 new.h renamed to alloc.h.
19549
19550 1997-06-18 Richard Stallman <rms@gnu.org>
19551
19552 * Makefile.in: new.h renamed to alloc.h.
19553
19554 1997-05-24 Richard Stallman <rms@gnu.org>
19555
19556 * src/lex.c (literalchar):
19557 Fix the code for escaping \, " and '.
19558
19559 (lex): Avoid trouble when there are many chars
19560 to discard in a char literal with just several chars in it.
19561
19562 1997-05-17 Richard Stallman <rms@gnu.org>
19563
19564 * src/bison.s1:
19565 Use malloc, if using alloca is troublesome.
19566 (YYSTACK_USE_ALLOCA): New flag macro.
19567 Define it for some systems and compilers.
19568 (YYSTACK_ALLOC): New macro.
19569 (yyparse): Use YYSTACK_ALLOC to allocate stack.
19570 If it was malloc'd, free it.
19571
19572 1997-05-17 Richard Stallman <rms@gnu.org>
19573
19574 * bison.simple:
19575 Use malloc, if using alloca is troublesome.
19576 (YYSTACK_USE_ALLOCA): New flag macro.
19577 Define it for some systems and compilers.
19578 (YYSTACK_ALLOC): New macro.
19579 (yyparse): Use YYSTACK_ALLOC to allocate stack.
19580 If it was malloc'd, free it.
19581
19582 1997-04-23 Richard Stallman <rms@gnu.org>
19583
19584 * src/bison.s1:
19585 (alloca) [__hpux]: Always define as __builtin_alloca.
19586
19587 1997-04-23 Richard Stallman <rms@gnu.org>
19588
19589 * bison.simple:
19590 (alloca) [__hpux]: Always define as __builtin_alloca.
19591
19592 1997-04-22 Richard Stallman <rms@gnu.org>
19593
19594 * src/bison.s1:
19595 [__hpux]: Include alloca.h (right for HPUX 10)
19596 instead of declaring alloca (right for HPUX 9).
19597
19598 * src/bison.s1 (__yy_memcpy):
19599 Declare arg `count' as unsigned int.
19600 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
19601
19602 1997-04-22 Richard Stallman <rms@gnu.org>
19603
19604 * bison.simple:
19605 [__hpux]: Include alloca.h (right for HPUX 10)
19606 instead of declaring alloca (right for HPUX 9).
19607
19608 * bison.simple (__yy_memcpy):
19609 Declare arg `count' as unsigned int.
19610 (yyparse): Cast third arg to __yy_memcpy to unsigned int.
19611
19612 1997-01-03 Richard Stallman <rms@gnu.org>
19613
19614 * src/allocate.c: [__STDC__ or _MSC_VER]:
19615 Declare calloc and realloc to return void *.
19616
19617 1997-01-02 Richard Stallman <rms@gnu.org>
19618
19619 * src/system.h:
19620 [_MSC_VER]: Include stdlib.h and process.h.
19621 [_MSC_VER] (getpid): Define as macro--translate it to _getpid.
19622
19623 * src/main.c (main): Return FAILURE as a value.
19624 (printable_version): Declare arg as int, not char.
19625
19626 1997-01-02 Richard Stallman <rms@gnu.org>
19627
19628 * Makefile.in (dist):
19629 Explicitly check for symlinks, and copy them.
19630
19631 1996-12-19 Richard Stallman <rms@gnu.org>
19632
19633 * src/files.c:
19634 [_MSC_VER] (XPFILE, XPFILE1): Define, if not already defined.
19635
19636 1996-12-18 Paul Eggert <eggert@gnu.org>
19637
19638 * src/bison.s1 (yyparse):
19639 If __GNUC__ and YYPARSE_PARAM are both defined,
19640 declare yyparse to have a void * argument.
19641
19642 1996-12-18 Paul Eggert <eggert@gnu.org>
19643
19644 * bison.simple (yyparse):
19645 If __GNUC__ and YYPARSE_PARAM are both defined,
19646 declare yyparse to have a void * argument.
19647
19648 1996-12-17 Richard Stallman <rms@gnu.org>
19649
19650 * src/reduce.c (nbits): Add some casts.
19651
19652 1996-08-12 Richard Stallman <rms@gnu.org>
19653
19654 * src/bison.s1: Test _MSDOS as well as _MSDOS_.
19655
19656 1996-08-12 Richard Stallman <rms@gnu.org>
19657
19658 * bison.simple: Test _MSDOS as well as _MSDOS_.
19659
19660 1996-07-31 Richard Stallman <rms@gnu.org>
19661
19662 * src/bison.s1:
19663 [__sun && __i386]: Include alloca.h.
19664
19665 1996-07-31 Richard Stallman <rms@gnu.org>
19666
19667 * bison.simple:
19668 [__sun && __i386]: Include alloca.h.
19669
19670 1996-07-30 Richard Stallman <rms@gnu.org>
19671
19672 * src/bison.s1: Comment change.
19673
19674 * src/bison.s1: Test _MSDOS_, not MSDOS.
19675
19676 1996-07-30 Richard Stallman <rms@gnu.org>
19677
19678 * bison.simple: Comment change.
19679
19680 * bison.simple: Test _MSDOS_, not MSDOS.
19681
19682 1996-06-01 Richard Stallman <rms@gnu.org>
19683
19684 * 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:
19685 Insert `_' macro around many string constants.
19686
19687 * src/main.c:
19688 Insert `_' macro around many string constants.
19689
19690 (main): Call setlocale, bindtextdomain and textdomain.
19691
19692 * src/system.h: [HAVE_LOCALE_H]: Include locale.h.
19693 [! HAVE_LOCALE_H] (setlocale): Define as no-op.
19694 [ENABLE_NLS]: Include libintl.h.
19695 [ENABLE_NLS] (gettext): Define.
19696 [! ENABLE_NLS] (bintextdomain, textdomain, _): Consolation definitions.
19697 (N_, PACKAGE, LOCALEDIR): New macros.
19698
19699 1996-06-01 Richard Stallman <rms@gnu.org>
19700
19701 * POTFILES.in: New file.
19702
19703 * Makefile.in (allocate.o):
19704 Define target explicitly.
19705
19706 * Makefile.in (CFLAGS): Set to @CFLAGS@.
19707 (LDFLAGS): Set to @LDFLAGS@.
19708 (configure): Run autoconf only if preceding `cd' succeeds.
19709 (bison.s1): Redirect output to temporary file then move the
19710 temporary to the target, rather than redirecting directly to bison.s1.
19711 (clean): Remove config.status and config.log.
19712 (distclean): Don't remove config.status here.
19713
19714 1996-05-12 Richard Stallman <rms@gnu.org>
19715
19716 * src/bison.s1:
19717 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
19718
19719 1996-05-12 Richard Stallman <rms@gnu.org>
19720
19721 * bison.simple:
19722 (__yy_memcpy) [__cplusplus]: Reorder declarations of variables f and t.
19723
19724 1996-05-11 Richard Stallman <rms@gnu.org>
19725
19726 * src/bison.s1 (__yy_memcpy):
19727 Really reorder the args, as was supposedly done on Feb 14 1995.
19728 (yyparse): Calls changed accordingly.
19729
19730 1996-05-11 Richard Stallman <rms@gnu.org>
19731
19732 * Makefile.in (dist): Don't use $(srcdir).
19733
19734 * bison.simple (__yy_memcpy):
19735 Really reorder the args, as was supposedly done on Feb 14 1995.
19736 (yyparse): Calls changed accordingly.
19737
19738 1996-01-27 Richard Stallman <rms@gnu.org>
19739
19740 * src/output.c (output_rule_data):
19741 Test YYERROR_VERBOSE in the conditional
19742 around the definition of ttyname.
19743
19744 1995-12-29 Richard Stallman <rms@gnu.org>
19745
19746 * src/bison.s1:
19747 Fix line numbers in #line commands.
19748
19749 1995-12-29 Richard Stallman <rms@gnu.org>
19750
19751 * bison.simple:
19752 Fix line numbers in #line commands.
19753
19754 1995-12-27 Richard Stallman <rms@gnu.org>
19755
19756 * src/bison.s1 (YYPARSE_PARAM_DECL):
19757 In C++, make it always null.
19758 (YYPARSE_PARAM_ARG): New macro.
19759 (yyparse): Use YYPARSE_PARAM_ARG.
19760
19761 1995-12-27 Richard Stallman <rms@gnu.org>
19762
19763 * bison.simple (YYPARSE_PARAM_DECL):
19764 In C++, make it always null.
19765 (YYPARSE_PARAM_ARG): New macro.
19766 (yyparse): Use YYPARSE_PARAM_ARG.
19767
19768 1995-11-29 Richard Stallman <rms@gnu.org>
19769
19770 * doc/bison.texinfo:
19771 Describe literal string tokens, %raw, %no_lines, %token_table.
19772
19773 1995-11-29 Daniel Hagerty <hag@gnu.org>
19774
19775 * doc/bison.texinfo: Fixed update date
19776
19777 1995-10-16 Richard Stallman <rms@gnu.org>
19778
19779 * src/version.c: Version 1.25.
19780
19781 1995-10-16 Richard Stallman <rms@gnu.org>
19782
19783 * NEWS: *** empty log message ***
19784
19785 1995-10-16 Richard Stallman <rms@gnu.org>
19786
19787 * doc/bison.1, doc/bison.rnh:
19788 Add new options.
19789
19790 1995-10-15 Richard Stallman <rms@gnu.org>
19791
19792 * src/vmsgetargs.c, src/getargs.c:
19793 Added -n, -k, and -raw switches.
19794 (noparserflag, toknumflag, rawtoknumflag): New variables.
19795
19796 * src/symtab.h (SALIAS):
19797 New #define for adding aliases to %token.
19798 (struct bucket): Added `alias' field.
19799
19800 * src/reduce.c (reduce_grammar):
19801 Revise error message.
19802 (print_notices): Remove final `.' from error message.
19803
19804 * src/reader.c (reader_output_yylsp):
19805 New function.
19806 (readgram): Use `#if 0' around code that accepted %command
19807 inside grammar rules: The documentation doesn't allow it,
19808 and it will fail since the %command processors scan for the next %.
19809 (parse_token_decl): Extended the %token
19810 declaration to allow a multi-character symbol as an alias.
19811 (parse_thong_decl): New function.
19812 (read_declarations): Added %thong declarations.
19813 (read_declarations): Handle NOOP to deal with allowing
19814 % declarations as another means to specify the flags.
19815 (readgram): Allow %prec prior to semantics embedded in a rule.
19816 (skip_to_char, read_declarations, copy_definition)
19817 (parse_token_decl, parse_start_decl, parse_type_decl)
19818 (parse_assoc_decl, parse_union_decl, parse_expect_decl)
19819 (get_type_name, copy_guard, copy_action, readgram)
19820 (get_type, packsymbols): Revised most error messages.
19821 Changed `fatal' to `warnxxx' to avoid aborting for error.
19822 Revised and use multiple warnxxx functions to avoid using VARARGS1.
19823 (read_declarations): Improve the error message for
19824 an invalid character. Do not abort.
19825 (read_declarations, copy_guard, copy_action): Use
19826 printable_version to avoid unprintable characters in printed output.
19827 (parse_expect_decl): Error if argument to %expect exceeds 10 digits.
19828 (parse_token_decl, parse_assoc_decl, parse_type_decl, get_type):
19829 Allow the type of a non-terminal can be given
19830 more than once, as long as all specifications give the same type.
19831
19832 * src/output.c:
19833 (output_headers, output_trailers, output, output_gram)
19834 (output_rule_data): Implement noparserflag variable.
19835 Implement toknumflag variable.
19836 (output): Call reader_output_yylsp to output LTYPESTR.
19837
19838 * src/main.c (main):
19839 If reader sees an error, don't process the grammar.
19840 (fatals): Updated to not use VARARGS1.
19841 (printable_version, int_to_string, warn, warni, warns, warnss)
19842 (warnsss): New error reporting functions. Avoid abort for error.
19843
19844 * src/lex.h:
19845 Added THONG and NOOP for alias processing.
19846 Added SETOPT for the new code that allows setting options with %flags.
19847
19848 * src/lex.c:
19849 Include getopt.h. Add some extern decls.
19850 (safegetc): New function to deal with EOF gracefully.
19851 (literalchar); new function to deal with reading \ escapes.
19852 (lex): Use literalchar.
19853 (lex): Implemented "..." tokens.
19854 (literalchar, lex, parse_percent_token): Made tokenbuffer
19855 always contain the token. This includes growing the token
19856 buffer while reading an integer.
19857 (parse_percent_token): Replaced if-else statement with percent_table.
19858 (parse_percent_token): Added % declarations as another
19859 way to specify the flags -n, -l, and -r. Also added hooks for
19860 -d, -k, -y, -v, -t, -p, -b, -o, but implementation requires
19861 major changes to files.c.
19862 (lex) Retain in the incoming stream a character following
19863 an incorrect '/'.
19864 (skip_white_space, lex): Revised most error messages
19865 and changed fatal to warn to avoid aborting.
19866 (percent_table): Added %thong declarations.
19867
19868 * src/gram.h: Comment changes.
19869
19870 * src/files.c (openfiles, open_extra_files, done):
19871 Add faction flag
19872 and actfile file. Handle noparserflag. Both for -n switch.
19873
19874 * src/conflicts.c (resolve_sr_conflict):
19875 Remove use of alloca.
19876
19877 1995-06-01 Jim Meyering <meyering@gnu.org>
19878
19879 * doc/bison.texinfo: *** empty log message ***
19880
19881 1995-05-06 Richard Stallman <rms@gnu.org>
19882
19883 * src/bison.s1: Comment change.
19884
19885 1995-05-06 Richard Stallman <rms@gnu.org>
19886
19887 * bison.simple: Comment change.
19888
19889 1995-05-03 Richard Stallman <rms@gnu.org>
19890
19891 * src/version.c: Version now 1.24.
19892
19893 * src/bison.s1: Change distribution terms.
19894
19895 * src/version.c: Version now 1.23.
19896
19897 1995-05-03 Richard Stallman <rms@gnu.org>
19898
19899 * doc/bison.texinfo:
19900 Rewrite "Conditions for Using Bison".
19901 Update version to 1.24.
19902
19903 1995-05-03 Richard Stallman <rms@gnu.org>
19904
19905 * bison.simple: Change distribution terms.
19906
19907 1995-02-23 Richard Stallman <rms@gnu.org>
19908
19909 * src/files.c: Test __VMS_POSIX as well as VMS.
19910
19911 1995-02-14 Jim Meyering <meyering@gnu.org>
19912
19913 * src/bison.s1 (__yy_memcpy):
19914 Renamed from __yy_bcopy to avoid
19915 confusion. Reverse FROM and TO arguments to be consistent with
19916 those of memcpy.
19917
19918 1995-02-14 Jim Meyering <meyering@gnu.org>
19919
19920 * bison.simple (__yy_memcpy):
19921 Renamed from __yy_bcopy to avoid
19922 confusion. Reverse FROM and TO arguments to be consistent with
19923 those of memcpy.
19924
19925 1994-11-10 David J. MacKenzie <djm@gnu.org>
19926
19927 * NEWS: reformat
19928
19929 * NEWS: New file.
19930
19931 * Makefile.in (DISTFILES): Include NEWS.
19932
19933 * Makefile.in (DISTFILES):
19934 Include install-sh, not install.sh.
19935
19936 * configure.in: Update to Autoconf v2 macro names.
19937
19938 1994-10-05 David J. MacKenzie <djm@gnu.org>
19939
19940 * Makefile.in: fix typo
19941
19942 * Makefile.in (prefix, exec_prefix):
19943 Let configure set them.
19944
19945 1994-09-28 David J. MacKenzie <djm@gnu.org>
19946
19947 * Makefile.in: Set datadir to $(prefix)/share.
19948
19949 1994-09-15 Richard Stallman <rms@gnu.org>
19950
19951 * src/bison.s1:
19952 Update copyright notice and GPL version.
19953
19954 1994-09-15 Richard Stallman <rms@gnu.org>
19955
19956 * bison.simple:
19957 Update copyright notice and GPL version.
19958
19959 1994-07-12 Richard Stallman <rms@gnu.org>
19960
19961 * src/reduce.c, src/reader.c:
19962 entered into RCS
19963
19964 1994-05-05 David J. MacKenzie <djm@gnu.org>
19965
19966 * Makefile.in: entered into RCS
19967
19968 1994-03-26 Richard Stallman <rms@gnu.org>
19969
19970 * src/bison.s1: entered into RCS
19971
19972 1994-03-26 Richard Stallman <rms@gnu.org>
19973
19974 * bison.simple: entered into RCS
19975
19976 1994-03-25 Richard Stallman <rms@gnu.org>
19977
19978 * src/main.c: entered into RCS
19979
19980 1994-03-24 Richard Stallman <rms@gnu.org>
19981
19982 * src/conflicts.c: entered into RCS
19983
19984 1994-01-02 Richard Stallman <rms@gnu.org>
19985
19986 * Makefile.in: *** empty log message ***
19987
19988 1993-11-21 Richard Stallman <rms@gnu.org>
19989
19990 * src/bison.s1: *** empty log message ***
19991
19992 1993-11-21 Richard Stallman <rms@gnu.org>
19993
19994 * doc/bison.texinfo: entered into RCS
19995
19996 * doc/bison.texinfo: *** empty log message ***
19997
19998 1993-11-21 Richard Stallman <rms@gnu.org>
19999
20000 * bison.simple: *** empty log message ***
20001
20002 1993-10-25 David J. MacKenzie <djm@gnu.org>
20003
20004 * doc/bison.texinfo: *** empty log message ***
20005
20006 1993-10-19 Richard Stallman <rms@gnu.org>
20007
20008 * src/bison.s1: *** empty log message ***
20009
20010 1993-10-19 Richard Stallman <rms@gnu.org>
20011
20012 * bison.simple: *** empty log message ***
20013
20014 1993-10-14 Richard Stallman <rms@gnu.org>
20015
20016 * src/bison.s1: *** empty log message ***
20017
20018 1993-10-14 Richard Stallman <rms@gnu.org>
20019
20020 * bison.simple: *** empty log message ***
20021
20022 1993-09-14 David J. MacKenzie <djm@gnu.org>
20023
20024 * doc/bison.texinfo: *** empty log message ***
20025
20026 1993-09-13 Noah Friedman <friedman@gnu.org>
20027
20028 * Makefile.in: *** empty log message ***
20029
20030 1993-09-10 Richard Stallman <rms@gnu.org>
20031
20032 * src/conflicts.c: *** empty log message ***
20033
20034 * src/system.h: entered into RCS
20035
20036 1993-09-10 Richard Stallman <rms@gnu.org>
20037
20038 * doc/bison.1: entered into RCS
20039
20040 1993-09-06 Noah Friedman <friedman@gnu.org>
20041
20042 * src/version.c: entered into RCS
20043
20044 1993-09-06 Noah Friedman <friedman@gnu.org>
20045
20046 * Makefile.in: *** empty log message ***
20047
20048 1993-07-30 David J. MacKenzie <djm@gnu.org>
20049
20050 * Makefile.in: *** empty log message ***
20051
20052 1993-07-24 Richard Stallman <rms@gnu.org>
20053
20054 * src/bison.s1: *** empty log message ***
20055
20056 1993-07-24 Richard Stallman <rms@gnu.org>
20057
20058 * bison.simple: *** empty log message ***
20059
20060 1993-07-08 David J. MacKenzie <djm@gnu.org>
20061
20062 * Makefile.in: *** empty log message ***
20063
20064 1993-07-04 Richard Stallman <rms@gnu.org>
20065
20066 * src/bison.s1: *** empty log message ***
20067
20068 1993-07-04 Richard Stallman <rms@gnu.org>
20069
20070 * bison.simple: *** empty log message ***
20071
20072 1993-06-26 David J. MacKenzie <djm@gnu.org>
20073
20074 * src/getargs.c: entered into RCS
20075
20076 1993-06-26 David J. MacKenzie <djm@gnu.org>
20077
20078 * doc/bison.texinfo: *** empty log message ***
20079
20080 * doc/bison.1: New file.
20081
20082 1993-06-25 Richard Stallman <rms@gnu.org>
20083
20084 * src/getargs.c: New file.
20085
20086 1993-06-16 Richard Stallman <rms@gnu.org>
20087
20088 * src/bison.s1: *** empty log message ***
20089
20090 1993-06-16 Richard Stallman <rms@gnu.org>
20091
20092 * bison.simple: *** empty log message ***
20093
20094 1993-06-03 Richard Stallman <rms@gnu.org>
20095
20096 * src/bison.s1: New file.
20097
20098 1993-06-03 Richard Stallman <rms@gnu.org>
20099
20100 * doc/bison.texinfo: *** empty log message ***
20101
20102 1993-06-03 Richard Stallman <rms@gnu.org>
20103
20104 * bison.simple: New file.
20105
20106 1993-05-19 Richard Stallman <rms@gnu.org>
20107
20108 * doc/bison.texinfo: New file.
20109
20110 1993-05-07 Noah Friedman <friedman@gnu.org>
20111
20112 * Makefile.in: *** empty log message ***
20113
20114 1993-04-28 Noah Friedman <friedman@gnu.org>
20115
20116 * src/reader.c: *** empty log message ***
20117
20118 1993-04-23 Noah Friedman <friedman@gnu.org>
20119
20120 * src/alloc.h: entered into RCS
20121
20122 1993-04-20 David J. MacKenzie <djm@gnu.org>
20123
20124 * src/version.c: *** empty log message ***
20125
20126 * src/files.c, src/allocate.c:
20127 entered into RCS
20128
20129 * src/reader.c: *** empty log message ***
20130
20131 * src/lex.c: entered into RCS
20132
20133 * src/conflicts.c: New file.
20134
20135 * src/symtab.c: entered into RCS
20136
20137 * src/alloc.h: New file.
20138
20139 * src/LR0.c: entered into RCS
20140
20141 1993-04-18 Noah Friedman <friedman@gnu.org>
20142
20143 * src/reader.c: New file.
20144
20145 * src/version.c: *** empty log message ***
20146
20147 1993-04-18 Noah Friedman <friedman@gnu.org>
20148
20149 * Makefile.in: *** empty log message ***
20150
20151 1993-04-17 Noah Friedman <friedman@gnu.org>
20152
20153 * Makefile.in: *** empty log message ***
20154
20155 1993-04-15 Richard Stallman <rms@gnu.org>
20156
20157 * src/main.c, src/files.c:
20158 New file.
20159
20160 1993-04-15 Noah Friedman <friedman@gnu.org>
20161
20162 * configure.in: entered into RCS
20163
20164 * configure.in: *** empty log message ***
20165
20166 * configure.in: New file.
20167
20168 1993-04-14 Richard Stallman <rms@gnu.org>
20169
20170 * Makefile.in: New file.
20171
20172 1993-04-13 Richard Stallman <rms@gnu.org>
20173
20174 * src/version.c: New file.
20175
20176 1993-03-25 Richard Stallman <rms@gnu.org>
20177
20178 * src/output.c: entered into RCS
20179
20180 1992-09-25 Richard Stallman <rms@gnu.org>
20181
20182 * configure.bat: entered into RCS
20183
20184 1992-06-22 Richard Stallman <rms@gnu.org>
20185
20186 * src/vmsgetargs.c: entered into RCS
20187
20188 1992-06-22 Richard Stallman <rms@gnu.org>
20189
20190 * doc/bison.rnh: entered into RCS
20191
20192 1992-04-20 David J. MacKenzie <djm@gnu.org>
20193
20194 * README: entered into RCS
20195
20196 1992-01-22 Richard Stallman <rms@gnu.org>
20197
20198 * src/machine.h: entered into RCS
20199
20200 1991-12-21 Richard Stallman <rms@gnu.org>
20201
20202 * src/lalr.c, src/closure.c:
20203 entered into RCS
20204
20205 1991-12-20 Richard Stallman <rms@gnu.org>
20206
20207 * src/state.h: entered into RCS
20208
20209 1991-12-18 Richard Stallman <rms@gnu.org>
20210
20211 * src/print.c, src/nullable.c, src/derives.c:
20212 entered into RCS
20213
20214 1991-11-03 David J. MacKenzie <djm@gnu.org>
20215
20216 * src/warshall.c, src/types.h, src/symtab.h, src/lex.h, src/gram.c, src/gram.h, src/files.h:
20217 entered into RCS
20218
20219 1988-09-09 Richard Stallman <rms@gnu.org>
20220
20221 * src/bison.hairy: entered into RCS
20222
20223 1987-12-16 Richard Stallman <rms@gnu.org>
20224
20225 * REFERENCES: entered into RCS
20226
20227
20228 -----
20229
20230 Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996,
20231 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
20232 Free Software Foundation, Inc.
20233
20234 Copying and distribution of this file, with or without
20235 modification, are permitted provided the copyright notice and this
20236 notice are preserved.
20237
20238 $Id$