`"%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.
<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.
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.
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/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.
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.
* 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>.
(bison:ruleByNumber): ... this for clarity.
* data/xslt/xml2dot.xsl (xsl:template match="item"): Update.
* data/xslt/xml2text.xsl (xsl:template match="item"): Update.
(xsl:template match="reduction"): Update.
(xsl:template match="item"): Update.
(xsl:template match="reduction"): Update.
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.
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.
* 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.
* 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.
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.
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.
* 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.
* 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.
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.
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.
* 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.
