X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/21f1b063d812990caeb738fa8db21085ece53a30..f3a4495d67a3c6692c963c7a7dcd46fd6bdafb7b:/ChangeLog?ds=inline diff --git a/ChangeLog b/ChangeLog index 2d402891..d163147c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,477 @@ +2008-02-06 Juan Manuel Guerrero + + 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. + +2008-01-30 Paul Eggert + + * doc/bison.texinfo: Update Back-Cover text to reflect new GNU wording. + +2008-01-09 Paul Eggert + + * data/yacc.c (yyparse): Correct the comment when locations aren't used. + Problem reported by Claudio Saavedra in + . + +2008-01-05 Wojciech Polak + + * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Precede an XHTML + document's title with the input grammar file name. + +2007-12-22 Joel E. Denny + + Automate regression testing of the XML/XSLT implementation. Discussed + starting at + . + * 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. + +2007-12-08 Joel E. Denny + + 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 + . + +2007-12-08 Joel E. Denny + + * data/xslt/bison.xsl (bison:ruleNumber): Rename to... + (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 + . + * 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. + +2007-12-01 Joel E. Denny + + Don't let --report affect XML output; always print all information. + Discussed at + . + * 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. + +2007-11-26 Akim Demaille + + * data/Makefile.am (dist_pkgdata_DATA): Ship and install bison.xsl. + +2007-11-24 Joel E. Denny + + In the XML output, list useless and unused symbols and rules with the + useful ones and add a "usefulness" attribute. Discussed starting at + . + * 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. + +2007-11-18 Joel E. Denny + + 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. + +2007-11-14 Akim Demaille + + * 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. + +2007-11-10 Joel E. Denny + + * 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 + . + * 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. + +2007-11-09 Joel E. Denny + + * 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. + +2007-11-08 Paolo Bonzini + + * data/lalr1.java (Lexer): Remove usage of b4_pure_if. + +2007-11-05 Akim Demaille + + Remove Id: from bison.1. + * doc/Makefile.am (remove_time_stamp): Include the sed invocation. + (perl -0777 -pi -e 's/\.PP\nId): New. + (.x.1): Use it to ignore the version control revision. + +2007-11-05 Akim Demaille + + * build-aux/Makefile.am: Ship cross-options.pl. + * doc/Makefile.am: Always refer to cross-options.texi with + $(srcdir). + (MAINTAINERCLEANFILES): Add it. + +2007-11-04 Akim Demaille + + Generate the long/short option cross-table. + * build-aux/cross-options.pl: New. + * doc/Makefile.am (cross-options.texi): New. + * doc/bison.texinfo: Use it. + +2007-11-04 Akim Demaille + + Generate bison.1 using help2man. + * doc/common.x, doc/bison.x: New. + * doc/Makefile.am (bison.1, .x.1): New. + The code is taken from autoconf-2.61/man/Makefile.am. + * configure.ac: Look for help2man. + +2007-11-04 Akim Demaille + + Complete --help. + * src/getargs.c (usage): Document -W, make it clear that -d, + -g and -x have optional arguments. + +2007-11-04 Akim Demaille + + Find sha1sum when named gsha1sum. + * bootstrap (find_tool): New. + ($SHA1SUM): New. + +2007-10-28 Joel E. Denny + + Deprecate %pure-parser and add `%define api.pure'. Discussed starting + at + . + * 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. + +2007-10-28 Joel E. Denny + + %define push_pull -> %define api.push_pull. Discussed starting at + . + * data/push.c: Expect the new name. + * data/yacc.c: Likewise. + * doc/bison.texinfo (Push Decl): Update. + (Decl Summary): Update %define entry. + (Push Parser Function): Update. + (Pull Parser Function): Update. + (Parser Create Function): Update. + (Parser Delete Function): Update. + * tests/calc.at (Simple LALR Calculator): Update. + * tests/input.at (%define enum variables): Update. + * tests/push.at (Push Parsing: Memory Leak for Early Deletion): Update. + (Push Parsing: Multiple impure instances): Update. + (Push Parsing: Unsupported Skeletons): Update. + * tests/torture.at (Exploding the Stack Size with Alloca): Update. + (Exploding the Stack Size with Malloc): Update. + + * NEWS (2.3a+): Add an entry for the push parser, and clean up the + other entries some. + +2007-10-27 Joel E. Denny + + 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 + . + * 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. + +2007-10-21 Joel E. Denny + + * 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. + +2007-10-19 Joel E. Denny + + 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. + +2007-10-19 Joel E. Denny + + * NEWS (2.3a+): 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. + +2007-10-17 Wojciech Polak + + * src/print-xml.c (print_grammar): Renamed + and attributes: + "type" to "number" and "symbol" to "name". + * data/xslt/xml2text.xsl (xsl:template match="terminal"): + Use new attribute names. + (xsl:template match="nonterminal"): Likewise. + * data/xslt/xml2xhtml.xsl: Likewise. + +2007-10-17 Joel E. Denny + + * doc/bison.texinfo (Bison Options): Add entry for --print-datadir. + (Option Cross Key): Likewise. + + * src/print-xml.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. + * src/print.c (print_core): Likewise. + * tests/conflicts.at (Unresolved SR Conflicts): Update output. + (Resolved SR Conflicts): Update output. + * tests/regression.at (Extra lookahead sets in report): New test case. + +2007-10-11 Wojciech Polak + + * src/print-xml.c (print_core): Remove item set + redundancy. + * data/xslt/bison.xsl (bison:ruleNumber): New key. + Improve processing time. Suggested by Joel E. Denny. + * data/xslt/xml2dot.xsl (xsl:template name="escape"): + Write xsl:param "required" attribute as comment. + * data/xslt/xml2text.xsl (xsl:template match="item"): New. + (xsl:template match="rule"): Support new reduced itemset. + (xsl:template match="point"): Remove. + * data/xslt/xml2xhtml.xsl: Likewise. + +2007-10-09 Joel E. Denny + + * src/getargs.c (version): Update copyright year. + 2007-10-09 Joel E. Denny Make xml2dot.xsl and --graph produce the same output. @@ -654,38 +1128,38 @@ 2007-03-07 Paolo Bonzini - * data/java.m4 (b4_single_class_if): Remove. - (b4_abstract_if): Look at "%define abstract". - (b4_lexer_if): New. - (b4_union_name): Rename... - (b4_yystype): ... to this. Map to "%define stype". - (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl, - b4_maybe_throws): Fix quoting. - (b4_lex_param_call): Move below to keep b4_*_param_decl close. - * data/lalr1.java (Lexer interface): Always define. - (Lexer interface within parser class): Remove. - (YYLexer class): New, used when "%code lexer" is present. - (constructor): When "%code lexer" is used, pass %lex-param - to the lexer constructor. - (yylex, yyparse): Remove %lex-param from method invocations - (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype. - - * doc/bison.texinfo (Java Bison Interface): Mention "%define - abstract". Rename "%define union_name" to "%define stype". - Rename method names according to previous patch. - (Java Scanner Interface): Describe "%code lexer" instead of - "%pure-parser" and "%define single_class". - (Java Differences): Mention "%code lexer". - - * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument. - Include scanner here, using macros from tests/local.at. - (AT_DATA_CALC_Y): Remove final argument. - (_AT_CHECK_JAVA_CALC): Likewise. - (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations - of %locations and %error-verbose. - (main): Test with and without %lex-param. - * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF. - (AT_BISON_OPTION_POPDEFS): Pop it. + * data/java.m4 (b4_single_class_if): Remove. + (b4_abstract_if): Look at "%define abstract". + (b4_lexer_if): New. + (b4_union_name): Rename... + (b4_yystype): ... to this. Map to "%define stype". + (b4_rhs_value, b4_parse_param_decl, b4_lex_param_decl, + b4_maybe_throws): Fix quoting. + (b4_lex_param_call): Move below to keep b4_*_param_decl close. + * data/lalr1.java (Lexer interface): Always define. + (Lexer interface within parser class): Remove. + (YYLexer class): New, used when "%code lexer" is present. + (constructor): When "%code lexer" is used, pass %lex-param + to the lexer constructor. + (yylex, yyparse): Remove %lex-param from method invocations + (YYStack, yyaction, yyparse): Rename b4_union_name to b4_yystype. + + * doc/bison.texinfo (Java Bison Interface): Mention "%define + abstract". Rename "%define union_name" to "%define stype". + Rename method names according to previous patch. + (Java Scanner Interface): Describe "%code lexer" instead of + "%pure-parser" and "%define single_class". + (Java Differences): Mention "%code lexer". + + * tests/java.at (_AT_DATA_JAVA_CALC_Y): Remove final argument. + Include scanner here, using macros from tests/local.at. + (AT_DATA_CALC_Y): Remove final argument. + (_AT_CHECK_JAVA_CALC): Likewise. + (AT_CHECK_JAVA_CALC): Likewise. Test all four combinations + of %locations and %error-verbose. + (main): Test with and without %lex-param. + * tests/local.at (_AT_BISON_OPTION_PUSHDEFS): Push AT_LEXPARAM_IF. + (AT_BISON_OPTION_POPDEFS): Pop it. 2007-03-07 Juan Manuel Guerrero