Eric Blake [Fri, 15 Aug 2008 17:46:20 +0000 (11:46 -0600)]
Remaining m4sugar merge from autoconf.
* data/m4sugar/m4sugar.m4: Copy entire file from autoconf.
* data/m4sugar/foreach.m4: New file, copied from autoconf.
* data/Makefile.am (dist_m4sugar_DATA): Distribute it.
* src/output.c (output_skeleton): Tell m4 how to find it.
Eric Blake [Fri, 15 Aug 2008 16:59:32 +0000 (10:59 -0600)]
Partial m4sugar merge from autoconf: m4_map.
* data/m4sugar/m4sugar.m4 (m4_fst): Delete.
(m4_map, m4_map_sep, _m4_map): Rewrite more efficiently.
(m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros.
* data/java.m4 (b4_token_enums): Use more efficient short-circuit
for empty list.
* data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals):
Likewise.
(b4_parse_param_for): Avoid m4_fst, now that autoconf no longer
declares it.
Joel E. Denny [Thu, 7 Aug 2008 22:37:07 +0000 (18:37 -0400)]
Keep .version and PACKAGE_VERSION in sync.
* Makefile.am ($(top_srcdir)/.version): Declare configure as a
dependency, and add comments justifying this in more detail. Discussed
starting at
<http://lists.gnu.org/archive/html/bison-patches/2008-07/msg00022.html>.
Eric Blake [Wed, 16 Jul 2008 18:47:48 +0000 (12:47 -0600)]
Partial m4sugar merge from autoconf: m4_wrap vs. m4 1.6.
* data/m4sugar/m4sugar.m4 (m4_unquote, m4_wrap_lifo): New macros.
(m4_wrap): Guarantee FIFO order, in spite of m4 1.6.
(m4_init): Consolidate wrapped text into single m4_wrap.
* data/bison.m4 (b4_check_user_names_wrap): Stick with LIFO order
in wrapped text.
Eric Blake [Wed, 16 Jul 2008 15:04:26 +0000 (09:04 -0600)]
Partial m4sugar merge from autoconf: builtins, version.m4.
* data/m4sugar/m4sugar.m4 (changeword): Nuke.
(m4_prepend): Remove, as it is unused and inherently quadratic,
whereas m4_append is linear in newer m4.
(m4_mkstemp): New builtin.
(m4_symbols): Make rename conditional.
(m4_version_prereq): Ensure fatal error if used in bison, which
intentionally lacks version.m4.
Joel E. Denny [Sat, 2 Aug 2008 06:32:29 +0000 (02:32 -0400)]
Set gnu or gnits strictness.
* configure.ac (AM_INIT_AUTOMAKE): Set gnu strictness during
development and gnits strictness for releases. Based on Eric Blake's
suggestion at
<http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00019.html>.
Paolo Bonzini [Thu, 31 Jul 2008 09:00:58 +0000 (11:00 +0200)]
document and support usage of git-merge-changelog
2008-07-31 Paolo Bonzini <bonzini@gnu.org>
Support usage of git-merge-changelog.
* .gitattributes: New.
* HACKING: Document usage of git-merge-changelog.
* bootstrap: Install git-merge-changelog entries in .git/config
if appropriate.
Joel E. Denny [Sun, 27 Jul 2008 19:49:04 +0000 (15:49 -0400)]
Remove remaining dependence on CVS Id keyword.
* ChangeLog: For the sake of people still using CVS, don't use dollars
when mentioning Id.
* data/xslt/bison.xsl: Remove Id from header comments, where it was
unusual anyway.
* data/xslt/xml2dot.xsl: Likewise.
* data/xslt/xml2text.xsl: Likewise.
* data/xslt/xml2xhtml.xsl: Likewise.
* doc/Doxyfile.in (PROJECT_NUMBER): Don't use ID.
* doc/Makefile.am (neutralize): Remove, no longer needed.
(.x.1): Don't use neutralize.
(edit): Don't substitute for ID.
(Doxyfile): Don't define Id, and thus don't depend on ChangeLog.
Joel E. Denny [Sun, 27 Jul 2008 04:56:58 +0000 (00:56 -0400)]
Fix dependence on computed configure variables.
* doc/Makefile.am (common_dep): Depend on $(top_srcdir)/configure not
$(top_srcdir)/configure.ac so that changes to computed variables, such
as PACKAGE_VERSION, are seen.
* tests/Makefile.am ($(srcdir)/package.m4): Likewise.
Joel E. Denny [Fri, 18 Jul 2008 15:26:15 +0000 (11:26 -0400)]
Use git-version-gen for version names between releases.
* .cvsignore (.tarball-version, GNUmakefile, *~): Add.
* .gitignore (/.tarball-version, /GNUmakefile, /*~): Add.
* .prev-version: New.
* .version.in: Remove.
* ChangeLog: Remove the $Id$ previously used for capturing the CVS
revision.
* GNUmakefile: Remove, now copied from Gnulib.
* Makefile.am: Add code suggested by comments in
build-aux/git-version-gen.
(EXTRA_DIST): Remove GNUmakefile, handled by Gnulib. Add maint.mk,
.prev-version, and .version.
* NEWS (2.3b+): Rename to...
(?.?): ... this because we're dropping the "+" version naming scheme,
but, in general, we still can't be sure of our next release name.
* bootstrap: Add a quick hack to remove from .gitignore the
GNUmakefile entry that gnulib adds. We already have a /GNUmakefile
entry. This should really be fixed in gnulib instead.
* bootstrap.conf (gnulib_modules): Add gnumakefile.
* configure.ac (AC_INIT): Set version name by invoking
build-aux/git-version-gen.
(AC_CONFIG_FILES): Remove .version, now generated by
build-aux/git-version-gen.
* maint.mk: New, copied from coreutils.
* doc/.cvsignore (bison.1): Add.
* doc/.gitignore (/bison.1): Add.
* doc/bison.1: Remove, generated.
* src/.cvsignore (revision.c): Remove.
* src/.gitignore (/revision.c): Remove.
* src/Makefile.am (bison_SOURCES): Remove revision.c and revision.h.
(BUILT_SOURCES): Remove revision.c.
(revision.c): Remove.
* src/getargs.c (version): Don't print revision after the VERSION.
* src/revision.h: Remove.
Joel E. Denny [Wed, 16 Jul 2008 06:56:36 +0000 (02:56 -0400)]
Fix untranslatable composition of sentences.
Reported by Goran Uddeborg at
<http://lists.gnu.org/archive/html/bug-bison/2008-06/msg00000.html>.
* THANKS (Goran Uddeborg): Add.
* src/reduce.c (reduce_print): Report the number of nonterminals and
rules useless in the grammar in separate sentences.
* tests/reduce.at (Useless Rules): Update output.
(Reduced Automaton): Likewise.
(Underivable Rules): Likewise.
(Empty Language): Likewise.
Joel E. Denny [Wed, 16 Jul 2008 06:05:14 +0000 (02:05 -0400)]
Fix some .gitignore and .cvsignore problems.
* bootstrap (insert_sorted_if_absent): Replace all uses with...
(insert_vc_ignore): ... this new function, which prepends `/' to all
.gitignore entries before passing them to insert_sorted_if_absent.
* bootstrap.conf (vc_ignore): Set to '.cvsignore .gitignore' so that
.cvsignore files are maintained even though Bison developers run
bootstrap while using Git.
* .cvsignore (*.patch *.log log patches applied): Remove, apparently
unneeded by Bison.
(gnulib): Add.
* .gitignore (/*.patch *.log log patches applied): Remove, broken and
unneeded. Reported by Eric Blake.
* lib/.gitignore (/*~): Add.
* po/.cvsignore, runtime-po/.cvsignore: Sync with .gitignore.
* examples/calc++/.gitignore (/calc++.exe): Add. Reported by Eric
Blake.
* src/.gitignore (/bison.exe): Add. Reported by Eric Blake.
Joel E. Denny [Wed, 16 Jul 2008 01:00:36 +0000 (21:00 -0400)]
Improve forward-compatibility with GNU M4.
Reported by Eric Blake at
<http://lists.gnu.org/archive/html/bug-bison/2008-07/msg00000.html>.
* bootstrap.conf (gnulib_modules): Add unsetenv.
* lib/.gitignore, lib/.cvsignore (/unsetenv.c): Add.
* m4/.gitignore, m4/.cvsignore (/environ.m4): Add.
(/setenv.m4): Add.
* src/output.c (output_skeleton): For the m4 invocation, pass -dV as
the first argument because it may become position-dependent, and unset
POSIXLY_CORRECT so Bison's skeletons have access to GNU M4 extensions.
Add comments explaining these issues in more detail.
Joel E. Denny [Fri, 23 May 2008 04:36:56 +0000 (04:36 +0000)]
* HACKING: Don't say don't mention HACKING in the ChangeLog. We've
been doing it for years.
(Test suite): Mention maintainer-push-check and maintainer-xml-check.
(Release Procedure): Add FIXME about make alpha being unmaintained.
Joel E. Denny [Wed, 7 May 2008 02:53:15 +0000 (02:53 +0000)]
Revert prior patch, by working around autoconf regression.
* tests/output.at (m4_expand): Add workaround for autoconf 2.62.
("Output file name: ("): Uncomment test.
("Output file name: )"): Likewise.
Based on an idea from Noah Misch.
Joel E. Denny [Tue, 22 Apr 2008 03:37:31 +0000 (03:37 +0000)]
Work-around an Autoconf 2.62 AT_SETUP bug that was not present in
2.61. Reported by Juan Manuel Guerrero at
<http://lists.gnu.org/archive/html/bug-bison/2008-04/msg00011.html>.
* tests/output.at ("Output file name: ("): Comment out test case for
now.
("Output file name: )"): Likewise.
Joel E. Denny [Mon, 21 Apr 2008 06:54:39 +0000 (06:54 +0000)]
Update to the current gnulib CVS repository, and fix trigraph handling
in Bison.
* bootstrap: Update gnulib CVS repository URL.
(symlink_to_dir): Encapsulate the code that guarantees the destination
directory exists into...
(check_dst_dir): ... this new function, and...
(cp_mark_as_generated): ... reuse it here so that bootstrap doesn't
fail when copying files into lib/uniwidth/.
* src/output.c (prepare_symbols): When writing yytname muscles, where
symbol names will be encoded in C-string literals, tell quotearg to
escape trigraphs. This used to be the default in gnulib.
* tests/regression.at (Token definitions): Because of the change in
gnulib's quotearg behavior, string_as_id in parse-gram.y no longer
escapes trigraphs in symbol names. Thus, yytname no longer has
trigraphs unnecessarily doubly escaped. Update test case output.
Extend test case to be sure Bison's own error messages will no longer
have trigraphs in symbol names unnecessarily escaped once.
Joel E. Denny [Sat, 8 Mar 2008 20:49:57 +0000 (20:49 +0000)]
* NEWS (2.3a+): Mention that -g now takes an argument.
* doc/bison.texinfo (Bison Options): Reword -W entry a little for
consistency. Update the -g and -x entries now that they take
arguments. Use brackets to indicate optional arguments.
* src/getargs.c (usage): Explain the relationship between arguments of
long and short options more completely. Document --defines and -d
separately since the former takes an argument but, for POSIX Yacc, the
latter does not.
(short_options): Let -W take an optional argument like --warnings.
(getargs): Sort cases.
Akim Demaille [Thu, 28 Feb 2008 16:01:16 +0000 (16:01 +0000)]
* src/getargs.c (short_options): Split and sort for readability.
-g and -x take optional arguments, just like their long options.
* build-aux/cross-options.pl: Use /x to make the regexp easier to
understand.
Fix the handling of $opt which resulted in all the argument to be
considered as optional.
Joel E. Denny [Sat, 23 Feb 2008 04:26:14 +0000 (04:26 +0000)]
* NEWS (2.3a+): Don't say %language is experimental. Mention Java and
say its interface is experimental.
* doc/bison.texinfo (Decl Summary): In the %language entry, mention
Java.
(Bison Options): In the -L and --language entry, mention Java.
(Java Bison Interface): Say the interface is experimental.
* src/getargs.c (usage): Mention -L and --language.
* NEWS (2.3a+): Say the push parsing interface is experimental.
* doc/bison.texinfo (Push Decl): Likewise.
(Decl Summary): Likewise in the "%define api.push_pull" entry.
(Push Parser Function): Likewise.
(Pull Parser Function): Likewise.
(Parser Create Function): Likewise.
(Parser Delete Function): Likewise.
(Table of Symbols): Likewise in the yypstate_delete, yypstate_new,
yypull_parse, and yypush_parse entries.
* NEWS (2.3a+): Mention XML support, and say the schema is
experimental.
* doc/bison.texinfo (Bison Options): Mention -x and --xml.
* src/getargs.c (usage): Say the XML schema is experimental.
Joel E. Denny [Wed, 20 Feb 2008 18:23:21 +0000 (18:23 +0000)]
Fix impure push parser compile error reported by Bob Rossi at
<http://lists.gnu.org/archive/html/help-bison/2008-02/msg00023.html>.
* data/yacc.c: Clean up whitespace in the output a little.
(yypstate_allocated): Define for impure push parsers regardless of
whether the pull interface is also requested.
* tests/push.at (Push Parsing: Multiple impure instances): Extend to
check impure push parsers without the pull interface.
* data/yacc.c (yypstate_new): Don't try to invoke yyerror since
yyerror takes arguments specified by %parse-param while yypstate_new
does not.
* doc/bison.texinfo (Parser Create Function): Document that
yypstate_new returns 0 for multiple impure parser instances.
* tests/push.at (Push Parsing: Multiple impure instances): Update
expected stderr output.
Joel E. Denny [Sun, 17 Feb 2008 19:11:21 +0000 (19:11 +0000)]
* data/bison.m4 (b4_percent_code_get): Output %code block comments like
`"%code top" blocks' instead of `%code "top" blocks'.
* data/push.c: Import yacc.c changes from 2008-01-09 and 2007-08-03.
Clean up whitespace in the output a little.
Joel E. Denny [Sun, 17 Feb 2008 02:47:53 +0000 (02:47 +0000)]
Fix documentation problems reported by Tim Josling at
<http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00013.html>.
* NEWS (2.3a+): Mention removal of --no-parser, -n, and %no-parser.
* doc/bison.texinfo (Token Decl): Token numbers are *nonnegative*
integers. Explain the effect of literal string aliases on error
messages. Copy token 0 documentation from the C++ skeleton
documentation.
Joel E. Denny [Sun, 17 Feb 2008 00:18:36 +0000 (00:18 +0000)]
Accept a token number in a %left, %right, or %nonassoc for POSIX
conformance. Reported by Tim Josling at
<http://lists.gnu.org/archive/html/bug-bison/2008-01/msg00010.html>.
* NEWS (2.3a+): Mention.
* doc/bison.texinfo (Precedence Decl): Describe how literal strings
and code numbers are treated by precedence declarations.
* src/parse-gram.y (precedence_declaration): Use symbols.prec instead
of symbols.1.
(symbols.prec): New, just like symbols.1 but uses symbol.prec instead
of symbol.
(symbol.prec): New, just like symbol but allows INT.
* src/symtab.c (symbol_user_token_number_set): Remove an aver that no
longer holds.
* tests/regression.at (Token number in precedence declaration): New
test case.
* subpipe.c (init_subpipe): Check the environment variables
TMPDIR, TMP and TEMP, in that order, to determinate where the temp
files shall be created. Before trying to use the temp dir where the
environment variable points to check that the dir really exists. If
not default to the cwd as temp dir. Copyright timestamp adjusted.
DJGPP specific issues.
* djgpp/config.bat: Add filenames that are not 8.3 clean and that must
be changed. Copyright timestamp adjusted.
* djgpp/config.sed: Add filenames that are not 8.3 clean and that must
be changed. Copyright timestamp adjusted.
* djgpp/config.site: Copyright timestamp adjusted.
* djgpp/config_h.sed: Copyright timestamp adjusted.
* djgpp/djunpack.bat: Copyright timestamp adjusted.
* djgpp/fnchnage.lst: Add filenames that are not 8.3 clean to the
filename translation list.
* djgpp/subpipe.c (init_subpipe): Check the environment variables
TMPDIR, TMP and TEMP, in that order, to determinate where the temp
files shall be created. Before trying to use the temp dir where the
environment variable points to check that the dir really exists. If
not default to the cwd as temp dir. Copyright timestamp adjusted.
* djgpp/subpipe.h: Copyright timestamp adjusted.
* djgpp/testsuite.sed: Copyright timestamp adjusted.
Joel E. Denny [Sat, 22 Dec 2007 18:35:03 +0000 (18:35 +0000)]
Automate regression testing of the XML/XSLT implementation. Discussed
starting at
<http://lists.gnu.org/archive/html/bison-patches/2007-11/msg00021.html>.
* configure.ac (XSLTPROC): New substitution.
* Makefile.am (maintainer-xml-check): New phony target invoking...
* tests/Makefile.am (maintainer-xml-check): ... this new phony target
invoking make maintainer-check with BISON_TEST_XML=1.
* tests/atlocal.in (XSLTPROC): New.
* tests/local.at (AT_BISON_CHECK): New macro to (1) instruct Valgrind
not to report reachable memory when Bison is expected to have a
non-zero exit status and (2) to compare XML/XSLT output with --graph
and --report=all output for every working grammar when
BISON_TEST_XML=1.
(AT_BISON_CHECK_NO_XML): Likewise, but skip XML checks.
(AT_BISON_CHECK_XML): New.
(AT_QUELL_VALGRIND): New.
* tests/testsuite.at (ORIGINAL_AT_CHECK): Remove this and...
(AT_CHECK): ... don't redefine this since this was the old way to
quell Valgrind.
* tests/actions.at: Rewrite all AT_CHECK invocations for bison as
AT_BISON_CHECK invocations.
* tests/c++.at: Likewise.
* tests/calc.at: Likewise.
* tests/conflicts.at: Likewise.
* tests/cxx-type.at: Likewise.
* tests/existing.at: Likewise.
* tests/glr-regression.at: Likewise.
* tests/headers.at: Likewise.
* tests/input.at: Likewise.
* tests/java.at: Likewise.
* tests/output.at: Likewise.
* tests/push.at: Likewise.
* tests/reduce.at: Likewise.
* tests/regression.at: Likewise.
* tests/sets.at: Likewise.
* tests/skeletons.at: Likewise.
* tests/synclines.at: Likewise.
* tests/torture.at: Likewise.
(Big triangle): Use AT_BISON_CHECK_NO_XML instead since this grammar
tends to hang xsltproc.
(Big horizontal): Likewise.
Joel E. Denny [Sat, 15 Dec 2007 02:08:02 +0000 (02:08 +0000)]
In XML output, remove redundant class attribute on symbol element.
* data/xslt/bison.xsl (xsl:key name="bison:symbolByName"): New.
* data/xslt/xml2xhtml.xsl (xsl:template match="symbol"): Use it to
look up a symbol to determine whether it's a nonterminal or terminal.
* src/gram.c (rule_rhs_print_xml): Remove class attribute.
* src/state.c (state_rule_lookahead_tokens_print_xml): Likewise.
Add prec/assoc information to XML output.
* src/gram.c (grammar_rules_print_xml): For each rule that has a
%prec, add a percent_prec attribute.
* src/print-xml.c (print_grammar): For each terminal that has a
precedence or associativity, add a prec or assoc attribute.
(xml_indent): New.
(xml_puts): Use xml_indent.
(xml_printf): Use xml_indent.
* src/print-xml.h (xml_indent): Prototype.
* tests/existing.at (GNU pic Grammar): Fix a rule miscopied from
<http://lists.gnu.org/archive/html/bug-bison/2003-04/msg00026.html>.
In the XML output, don't print the list of rules where symbols appear.
Compute it in XSLT instead. Discussed at
<http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00024.html>.
* data/xslt/bison.xsl (bison:ruleByLhs): New.
(bison:ruleByRhs): New.
* data/xslt/xml2text.xsl (xsl:template match="terminal"): Use
bison:ruleByRhs.
(xsl:template match="terminal/rule"): Remove.
(xsl:template match="nonterminal"): Use bison:ruleByLhs and
bison:ruleByRhs.
(xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
Remove.
* data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Use
bison:ruleByRhs and mode="number-link" for rule template.
(xsl:template match="terminal/rule"): Remove.
(xsl:template match="nonterminal"): Use bison:ruleByLhs and
bison:ruleByRhs and mode="number-link" for rule template.
(xsl:template match="nonterminal/left/rule|nonterminal/right/rule"):
Rewrite as...
(xsl:template match="rule" mode="number-link"): ... this.
* src/print-xml.c (print_grammar): Don't print the list of rules.
Joel E. Denny [Sat, 1 Dec 2007 19:44:36 +0000 (19:44 +0000)]
Don't let --report affect XML output; always print all information.
Discussed at
<http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00020.html>.
* src/conflicts.c (log_resolution): Implement.
* src/print-xml.c (print_core): Implement.
(print_state): Implement.
(print_xml): Implement.
* NEWS (2.3a+): Fix quotes.
* src/parse-gram.y (prologue_declaration): For consistency with -v,
don't let %verbose clear the list specified by --report.
Joel E. Denny [Sat, 24 Nov 2007 19:41:25 +0000 (19:41 +0000)]
In the XML output, list useless and unused symbols and rules with the
useful ones and add a "usefulness" attribute. Discussed starting at
<http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00017.html>.
* src/gram.c (grammar_rules_partial_print_xml): Remove.
(grammar_rules_print_xml): Print all rules instead of just those
useful in the grammar, and add a "usefulness" attribute.
* src/gram.h (grammar_rules_partial_print_xml): Remove prototype.
* src/print-xml.c (print_rules_useless_in_parser): Remove.
(print_grammar): Print all nonterminals instead of just useful ones,
and add a "usefulness" attribute to nonterminals and terminals.
(print_xml): Don't print a separate "reductions" or
"rules-useless-in-parser" element.
* src/reduce.c (reduce_output): Use reduce_token_unused_in_grammar.
(reduce_xml): Remove.
(reduce_token_unused_in_grammar): New.
(reduce_nonterminal_useless_in_grammar): New.
* src/reduce.h (reduce_xml): Remove prototype.
(reduce_token_unused_in_grammar): Add prototype.
(reduce_nonterminal_useless_in_grammar): Add prototype.
* data/xslt/xml2text.xsl: Update for XML changes.
* data/xslt/xml2xhtml.xsl: Update for XML changes.
* tests/reduce.at (Useless Terminals): Update output.
(Useless Rules): Update output.
(Reduced Automaton): Update output.
Say "Terminals unused in grammar" instead of "Unused terminals".
* NEWS (2.3a+): Update.
* doc/bison.texinfo (Understanding): Update example output.
* src/reduce.c (reduce_output): Implement.
* data/xslt/xml2text.xsl: Implement.
* data/xslt/xml2xhtml.xsl: Implement.
Joel E. Denny [Sun, 18 Nov 2007 06:40:41 +0000 (06:40 +0000)]
Accept --report-file=FILE to override the default `.output' filename.
* NEWS (2.3a+): Mention.
* doc/bison.texinfo (Bison Options): Add an entry.
* src/files.c (compute_output_file_names): Don't override
spec_verbose_file if already set.
* src/getargs.c (usage): Document --report-file.
(REPORT_FILE_OPTION): New anonymous enum member.
(long_options): Add entry for it.
(getargs): Add case for it setting spec_verbose_file.
* build-aux/cross-options.pl: Don't record a short option just because
there's an arg.
* doc/.cvsignore: Add yacc.1.
Akim Demaille [Wed, 14 Nov 2007 13:18:44 +0000 (13:18 +0000)]
* doc/yacc.1.in: New.
* configure.ac, doc/Makefile.am: Adjust.
* configure.ac (PACKAGE_COPYRIGHT_YEAR): New substitution, and new
config.h symbol.
Use AC_SUBST for assignments too.
* src/getargs.c (version): Use PACKAGE_COPYRIGHT_YEAR.
Joel E. Denny [Sat, 10 Nov 2007 03:42:37 +0000 (03:42 +0000)]
* src/gram.c: Remove comments that duplicate comments in gram.h.
When reporting useless rules and nonterminals, say "useless in grammar"
instead of "useless", and say "useless in parser" instead of "never
reduced". Discussed starting at
<http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00033.html>.
* NEWS (2.3a+): Mention this change.
* data/xslt/xml2text.xsl: Update output text and expected input XML
element names to match changes below.
* data/xslt/xml2xhtml.xsl: Likewise.
(xsl:template match="bison-xml-report"): Add missing entry in Table of
Contents: "Rules useless in parser due to conflicts".
* doc/bison.texinfo (Decl Summary): Reword a little.
(Understanding): Update example output for changes below.
* src/gram.c: (rule_useful_p): Rename to...
(rule_useful_in_grammar_p): ... this.
(rule_useless_p): Rename to...
(rule_useless_in_grammar_p): ... this.
(rule_never_reduced_p): Rename to...
(rule_useless_in_parser_p): ... this.
(grammar_rules_print): Update for renames.
(grammar_rules_print_xml): Update for renames.
(grammar_rules_never_reduced_report): Rename to...
(grammar_rules_useless_report): ... this since it is used for either
kind of useless rule.
* src/gram.h: Reword comments and update function names in prototypes.
* src/main.c (main): Say "rule useless in parser due to conflicts".
* src/print-xml.c (print_rules_never_reduced): Rename to...
(print_rules_useless_in_parser): ... this, and rename output XML
element "rules-never-reduced" to "rules-useless-in-parser".
(print_xml): Update for rename.
* src/print.c (print_results): Say "Rules useless in parser due to
conflicts".
* src/reduce.c (reduce_grammar_tables): Say "rule useless in grammar".
(nonterminals_reduce): Say "nonterminal useless in grammar".
(reduce_output): Say "Nonterminals useless in grammar".
Say "Rules useless in grammar".
(reduce_xml): Rename output XML element "useless" to
"useless-in-grammar".
(reduce_print): Don't report the count of grammatically useless rules
as "rules never reduced" just because %yacc is specified.
In the correct report of this count, say nonterminal(s) and rule(s)
"useless in grammar".
* tests/conflicts.at (S/R in initial): Update expected output.
(Defaulted Conflicted Reduction): Likewise.
(Unreachable States After Conflict Resolution): Likewise.
* tests/existing.at (GNU pic Grammar): Likewise.
* tests/reduce.at (Useless Nonterminals): Likewise.
(Useless Rules): Likewise.
(Reduced Automaton): Likewise.
(Underivable Rules): Likewise.
(Empty Language): Likewise.
Joel E. Denny [Sat, 10 Nov 2007 01:36:54 +0000 (01:36 +0000)]
* data/bison.m4 (b4_cat): Put a newline after the end delimiter of the
here document and before the EOF so that BSD's implementation of Bourne
shell doesn't parse the delimiter as part of the here document.
* doc/.cvsignore: Add cross-options.texi.
* src/getargs.c (usage): Add a blank line after the warning categories.
Akim Demaille [Mon, 5 Nov 2007 16:10:09 +0000 (16:10 +0000)]
Remove Id: from bison.1.
* doc/Makefile.am (remove_time_stamp): Include the sed invocation.
(perl -0777 -pi -e 's/.PPnId): New.
(.x.1): Use it to ignore the version control revision.
Akim Demaille [Sun, 4 Nov 2007 21:13:21 +0000 (21:13 +0000)]
Generate bison.1 using help2man.
* doc/common.x, doc/bison.x: New.
* doc/Makefile.am (bison.1, .x.1): New.
The code is taken from autoconf-2.61/man/Makefile.am.
* configure.ac: Look for help2man.
Joel E. Denny [Mon, 29 Oct 2007 17:36:40 +0000 (17:36 +0000)]
Deprecate %pure-parser and add `%define api.pure'. Discussed starting
at
<http://lists.gnu.org/archive/html/bison-patches/2007-09/msg00006.html>.
* NEWS (2.3a+): Mention.
* data/bison.m4 (b4_pure_if): Don't define it here.
* data/c.m4 (b4_identification): Depend on individual skeletons to
define b4_pure_flag, b4_push_flag, or b4_pull_flag if they use the
values of the %define variables api.pure or api.push_pull. Define
YYPURE, YYPUSH, and YYPULL accordingly.
* data/glr.c: Define b4_pure_if based on `%define api.pure' unless
glr.cc has already defined b4_pure_flag.
* data/push.c: Define b4_pure_if based on `%define api.pure'.
Remove YYPUSH and YYPULL since they're back in b4_identification again.
* data/yacc.c Define b4_pure_if based on `%define api.pure'.
* doc/bison.texinfo (Pure Decl): Update.
(Push Decl): Update.
(Decl Summary): Add api.pure to %define entry.
In %pure-parser entry, say it's deprecated and reference %define.
(Pure Calling): Update.
(Error Reporting): Update.
(C++ Scanner Interface): Update.
(How Can I Reset the Parser): Update.
(Table of Symbols): In %pure-parser entry, say it's deprecated and
reference %define.
* src/getargs.c (pure_parser): Remove global variable.
* src/getargs.h (pure_parser): Remove extern.
* src/output.c (prepare): Don't define pure_flag muscle.
* src/parse-gram.y (prologue_declaration): Implement %pure-parser as a
wrapper around `%define api.pure'.
* tests/calc.at (Simple LALR Calculator): Update.
(Simple GLR Calculator): Update.
* tests/cxx-type.at (GLR: Resolve ambiguity, pure, no locations):
Update.
(GLR: Resolve ambiguity, pure, locations): Update.
(GLR: Merge conflicting parses, pure, no locations): Update.
(GLR: Merge conflicting parses, pure, locations): Update.
* tests/glr-regression.at (Uninitialized location when reporting
ambiguity): Update
* tests/input.at (Unused %define api.pure): New test case.
* tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Update definition for
AT_PURE_IF and AT_PURE_AND_LOC_IF.
* tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update.
Joel E. Denny [Sun, 28 Oct 2007 00:24:22 +0000 (00:24 +0000)]
For the XML output's terminal element, rename @number to @token-number,
and add @symbol-number. In the nonterminal element, rename @number to
@symbol-number. Discussed starting at
<http://lists.gnu.org/archive/html/bison-patches/2007-10/msg00040.html>.
* data/xslt/xml2text.xsl (xsl:template match="terminal"): Update for
renames.
(xsl:template match="nonterminal"): Likewise.
* data/xslt/xml2xhtml.xsl (xsl:template match="terminal"): Likewise.
(xsl:template match="nonterminal"): Likewise.
* src/print-xml.c (print_grammar): Implement.
Joel E. Denny [Sun, 21 Oct 2007 15:34:08 +0000 (15:34 +0000)]
* data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After
2007-10-11 change, the child elements here are items not rules.
(<xsl:template match="item"): New.
(xsl:template match="rule"): Update for new reduced itemset.
(xsl:template match="point"): Remove.
(xsl:template match="empty"): For consistency with --graph, don't
output "/* empty */".
* data/xslt/xml2text.xsl (xsl:template match="terminal"): When invoking
line-wrap, don't pass a negative value as first-line-length since this
won't work with the following changes.
(xsl:template name="line-wrap"): Simplify slightly.
(xsl:template name="ws-search"): Eliminate recursion.
* src/print_graph.c (print_core): Don't print a reduction's lookahead
set next to an item whose dot is not at the end of the RHS even if it
happens to be associated with the same rule.
Joel E. Denny [Fri, 19 Oct 2007 06:14:44 +0000 (06:14 +0000)]
Add %define lr.keep_unreachable_states.
* NEWS (2.3a+): Mention it in the entry for unreachable state removal.
* doc/bison.texinfo (Decl Summary): Mention it in the %define entry.
* src/main.c (main): Implement it.
* tests/conflicts.at (Unreachable States After Conflict Resolution):
Extend to test it, and fix a typo.
Joel E. Denny [Fri, 19 Oct 2007 02:46:21 +0000 (02:46 +0000)]
* NEWS: Add entry for recent .output file lookahead set fix.
* doc/bison.texinfo (Understanding): Remove a bogus lookahead set in
the example .output text.
* tests/regression.at (Extra lookahead sets in report): Improve wording
of comments.
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