X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/1bb2bd75f0185ca53c92f1c63cdc0b5ceef3f1f2..5ab8c47bcf5088cf420db6e03cd44bfa68e92ca0:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 741f68ed..a7e2b729 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,910 @@ +2008-11-03 Akim Demaille + + Use variants to support objects as semantic values. + This patch was inspired by work by Michiel De Wilde. But he used Boost + variants which (i) requires Boost on the user side, (ii) is slow, and + (iii) has useless overhead (the parser knows the type of the semantic value + there is no reason to duplicate this information as Boost.Variants do). + + This implementation reserves a buffer large enough to store the largest + objects. yy::variant implements this buffer. It was implemented with + Quentin Hocquet. + + * src/output.c (type_names_output): New. + (output_skeleton): Invoke it. + * data/c++.m4 (b4_variant_if): New. + (b4_symbol_value): If needed, provide a definition for variants. + * data/lalr1.cc (b4_symbol_value, b4_symbol_action_) + (b4_symbol_variant, _b4_char_sizeof_counter, _b4_char_sizeof_dummy) + (b4_char_sizeof, yy::variant): New. + (parser::parse): If variants are requested, define + parser::union_type, parser::variant, change the definition of + semantic_type, construct $$ before running the user action instead + of performing a default $$ = $1. + * examples/variant.yy: New. + Based on an example by Michiel De Wilde. + +2008-11-03 Akim Demaille + + Parameterize the extraction of semantic values. + To make future changes easier, no longer rely on ".TYPE" being the + way to get a semantic value. + + * data/c.m4 (b4_symbol_value): New. + Use it. + * data/c++.m4, data/yacc.c: Use it. + * data/glr.c: Use b4_symbol_value. + (b4_rhs_data): New. + Use it. + +2008-11-03 Akim Demaille + + Prepare easier M4 changes. + * data/lalr1.cc: Use escaped [] instead of literals to prepare + future changes. + +2008-11-02 Joel E. Denny + + Initiate further development. + * NEWS: Create an empty section for new entries. + * gnulib: Update submodule to HEAD. + +2008-11-02 Joel E. Denny + + * NEWS: Version 2.4. + +2008-11-02 Joel E. Denny + + Prepare for next release. + * NEWS: Briefly mention changes since 2.3b. + * README: Say GNU m4 1.4.6, which we've been requiring in release + announcements already, not 1.4.3, which breaks the build. + +2008-11-02 Joel E. Denny + + Say %language is experimental. + We're thinking of extending it's effect on output file naming. See the + thread at + . + * NEWS: Say it's experimental. + * doc/bison.texinfo (Decl Summary): Say it's experimental, and so don't + recommend it over %skeleton for now. + (Bison Options): Likewise. + (C++ Bison Interface): Use %skeleton not %language. + (Calc++ Parser): Use %skeleton not %language. + * src/getargs.c (usage): Say it's experimental. + +2008-11-01 Di-an Jan + Paolo Bonzini + + Support all Java parser class modifiers. + * data/java.m4 (b4_percent_define_get3): New. + (b4_final_if, b4_strictfp_if): New. + * data/lalr1.java (final, strictfp, extends, implements): Support. + * doc/bison.texinfo (final, strictfp, extends, implements): Add + documentation. + * tests/java.at (AT_CHECK_JAVA_MINIMAL): New. + (AT_CHECK_JAVA_MINIMAL_W_LEXER): New. + (AT_CHECK_JAVA_GREP): New. + (Java parser class modifiers): New test. + (Java parser class extends and implements): New test. + + Model exception propagation better with throws and lex_throws. + * data/java.m4 (b4_list2): New. + (throws): Change default. + * data/lalr1.java (yyaction): Add throws. + (parse): Add lex_throws in addition to throws. + * doc/bison.texinfo (throws, lex_throws): Add documentation. + * tests/java.at (Java throws specifications): New test. + + Improve documentation for Java parsers. + * doc/bison.texinfo (Java Parsers): Add subsections. + Don't quote first argument of %define. + (Java Bison Interface): Document output files. Move documentation + of parser class and merge into Java Parser Interface. Document + features that error out. Document directives with no effect. + Move note about Javadoc higher. + (Java Semantic Values): Explicitly mention stype. + Document that generic types cannot be used. + (Java Location Values): Use @deftypeivar. Document constructors. + Correct return value for toString. + (Java Parser Interface): List undocumented constants/fields. + Move documentation of fields added by %parse-param closer to list + of members. Document that token names are added as fields. + Document constructors accurately. Remove error method. + (Java Scanner Interface): Move note on %pure-parser to Java Bison + Interface. Describe %code lexer and yylex accutately. + Remove documentation that does not match the code. + (Java Action Features): New. + (Java Differences): Add reference. Add item on semantic values. + Add note about @{ ... @}. Clarify %% epilogue placement. + (Java Declarations Summary): New. + + Fix Java skeleton. + * data/java.m4 (b4_prefix): Correct quoting for m4_define_default. + (b4_remove_comma): Quote test argument. + (b4_identification): Remove "bison" field. + * tests/java.at (Java parser class and package names): New test. + (Java %parse-param and %lex-param): New test. + (Java stype, position_class and location_class): New test. + +2008-10-31 Di-an Jan + + * data/lalr1.jave: Update copyright years. + (YYParser): Correct name of "generated from" file in Javadoc: + use b4_file_name instead of @ofile@. + (Location constructor): Correct Javadoc parameter name. + (yylloc): Add missing opening m4 quote after b4_location_if. + This removes a stray [ in the Javadoc of Lexer.getStartPos. + (Lexer.yyerror): Fix incorrect m4 and Javadoc. + (YYParser constructor): Correct Javadoc parameter name. + +2008-10-30 Joel E. Denny + + Always put auxiliary code files in the same dir as other output files. + * src/files.c (compute_file_name_parts): When the user specifies + --output but not --file-prefix, extract the directory prefix from the + file prefix not from the grammar file name. This affects the location + of files like location.hh generated by the C++ skeleton. The includes + in the other output files require this fix. + * tests/output.at (AT_CHECK_OUTPUT): Automatically create directories + for expected output files. + (Output files): Add a test for the above. + +2008-10-29 Joel E. Denny + + * gnulib: Update submodule to HEAD. + +2008-10-28 Joel E. Denny + + Update copyright year. + * src/files.c: Here. + +2008-10-28 Di-an Jan (tiny change) + + Don't overwrite the input file. + * src/files.c (output_file_name_check): Fatal error if using input file + for output. + * tests/output.at: (AT_CHECK_CONFLICTING_OUTPUT): Add return status + argument. + (Conflicting output files): Add test. + +2008-10-28 Akim Demaille + + Space changes. + * data/lalr1.cc: Formatting changes. + +2008-10-28 Akim Demaille + + Don't define debugging functions when !YYDEBUG. + * data/lalr1.cc (debug_stream, set_debug_stream) + (debug_level_type, debug_level, set_debug_level): Don't + declare them when YYDEBUG is not defined. + The implementation are already YYDEBUG-aware. + +2008-10-28 Akim Demaille + + Prefer "continue" for empty loop bodies. + * etc/bench.pl.in: Use "continue" instead of {}. + +2008-10-28 Akim Demaille + + Space and comments changes. + * data/c++.m4, data/glr.c, data/lalr1.cc: Copyright year changes. + * data/c.m4, data/lalr1.cc: Space changes. + +2008-10-28 Akim Demaille + + Make gnulib a submodule. + * gnulib: New. + * .gitmodules (gnulib): New. + +2008-10-18 Joel E. Denny + + Fix yyerror_range for user-defined location type in C++. Reported by + Georg Sauthoff at + . + * data/lalr1.cc (parse): Change type of yyerror_range to location_type. + * THANKS (Georg Sauthoff): Add. + +2008-10-18 Joel E. Denny + + Update several administrative files mainly to facilitate releasing. + * HACKING (Administrivia): Make the git-merge-changelog notes more + helpful. + (Test suite): Don't say lalr1.cc is not exercised in the test suite. + (Release Procedure): Update for git and add numerous details that were + previously missing. + * Makefile.am (EXTRA_DIST): Remove Makefile.cfg and Makefile.maint. + * maint.mk (announcement): Don't list bison as a bootstrap tool so + that announcements don't claim we bootstrapped with whatever bison + happened to be in PATH. Add flex as a bootstrap tool. + * Makefile.maint: Remove, previously replaced by maint.mk. + * Makefile.cfg: Remove, and migrate settings to... + * cfg.mk: ... here for the sake of `make announcement'. + * bootstrap.conf (gnulib_modules): Add announce-gen. + * README: Say GNU Bison instead of just Bison. Suggested by Karl + Berry. + +2008-10-08 Di-an Jan (tiny change) + + Small but important bugfixes for the Java skeleton. + * data/lalr1.java (yyerror): Change Location to b4_location_type. + (yy_symbol_print): Call toString on yyvaluep. + +2008-08-29 Akim Demaille + + Clarify UPDATED use. + * doc/bison.texinfo: It refers to the last edition of this file, + not to the release date of Bison. + Reported by Joel E. Denny. + +2008-08-29 Akim Demaille + + * README: Update FAQ pointer. + Reported by Joel E. Denny. + +2008-08-27 Eric Blake + + Resync m4sugar from autoconf. + * data/m4sugar/m4sugar.m4 (m4_defn, m4_popdef, m4_undefine) + (m4_init): Adjust to latest m4.git changes. + (m4_mapall_sep, _m4_list_cmp, m4_version_compare): Reduce side + effects. + * data/m4sugar/foreach.m4 (_m4_shiftn): Fix off-by-one bug. + (_m4_list_cmp): Reduce side effects. + +2008-08-27 Akim Demaille + + Check yyerrok in calc.at. + * tests/calc.at (calc.y): Use yyerrok on "( error )". + (AT_CHECK_CALC): Add a check that ensures that yyerrok works as + expected. + +2008-08-27 Akim Demaille + + Support yyerrok in lalr1.cc. + YYBACKUP is still to import back into lalr1.cc. + * data/lalr1.cc (yyerrork, yyclearin, YYRECOVERING): Define. + +2008-08-26 Joel E. Denny + + For maintainer-check*, don't recompile for a $(VERSION) update. + * cfg.mk: New file. + (_is-dist-target): Override the one in GNUmakefile. + * Makefile.am (EXTRA_DIST): Add cfg.mk. + +2008-08-26 Joel E. Denny + + Update for recent change to gnulib. + * src/parse-gram.y: Don't include strverscmp.h. It comes from + string.h now. + +2008-08-15 Eric Blake + + Remaining m4sugar merge from autoconf. + * data/m4sugar/m4sugar.m4: Copy entire file from autoconf. + * data/m4sugar/foreach.m4: New file, copied from autoconf. + * data/Makefile.am (dist_m4sugar_DATA): Distribute it. + * src/output.c (output_skeleton): Tell m4 how to find it. + + Partial m4sugar merge from autoconf: m4_map. + * data/m4sugar/m4sugar.m4 (m4_fst): Delete. + (m4_map, m4_map_sep, _m4_map): Rewrite more efficiently. + (m4_apply, _m4_apply, m4_mapall, m4_mapall_sep): New macros. + * data/java.m4 (b4_token_enums): Use more efficient short-circuit + for empty list. + * data/c.m4 (b4_token_defines, b4_token_enums, b4_c_ansi_formals): + Likewise. + (b4_parse_param_for): Avoid m4_fst, now that autoconf no longer + declares it. + +2008-08-07 Joel E. Denny + + Keep .version and PACKAGE_VERSION in sync. + * Makefile.am ($(top_srcdir)/.version): Declare configure as a + dependency, and add comments justifying this in more detail. Discussed + starting at + . + +2008-08-06 Eric Blake + + Partial m4sugar merge from autoconf: m4_shiftn. + * data/m4sugar/m4sugar.m4 (m4_shiftn): Faster implementation. + (m4_shift2, m4_shift3): New macros. + (m4_case, m4_bmatch, m4_bpatsubsts, m4_join): Adjust clients. + * data/c.m4 (b4_c_function_def, b4_c_ansi_function_def) + (b4_c_ansi_function_decl, b4_c_function_call): Likewise. + * data/java.m4 (b4_remove_comma): Likewise. + + 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. + +2008-08-05 Eric Blake + + 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. + + Fix comments in m4sugar. + * data/m4sugar/m4sugar.m4: Comment changes, borrowed from autoconf. + +2008-08-02 Joel E. Denny + + Update for recent .gitignore fix in Gnulib. + * bootstrap: Back out 2008-07-18 hack now that gnulib-tool creates + anchored .gitignore entries. + +2008-08-02 Joel E. Denny + + 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 + . + +2008-07-31 Paolo Bonzini + + * NEWS: Clarify documentation of %language. + +2008-07-31 Paolo Bonzini + + 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. + +2008-07-27 Joel E. Denny + + 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. + +2008-07-27 Joel E. Denny + + 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. + +2008-07-20 Joel E. Denny + + Update copyright dates for recent changes. + * Makefile.am: Here. + * src/Makefile.am: Here. + * src/reduce.c: Here. + * tests/reduce.at: Here. + +2008-07-18 Joel E. Denny + + 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. + +2008-07-16 Joel E. Denny + + Fix untranslatable composition of sentences. Reported by Goran + Uddeborg at + . + * 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. + +2008-07-15 Joel E. Denny + + 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. + +2008-07-15 Joel E. Denny + + Improve forward-compatibility with GNU M4. Reported by Eric Blake at + . + * 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. + +2008-07-14 Joel E. Denny + + Add .gitignore everywhere based on .cvsignore. + * .gitignore: New. + * build-aux/.gitignore: New. + * data/.gitignore: New. + * doc/.gitignore: New. + * etc/.gitignore: New. + * examples/.gitignore: New. + * examples/calc++/.gitignore: New. + * lib/.gitignore: New. + * m4/.gitignore: New. + * po/.gitignore: New. + * runtime-po/.gitignore: New. + * src/.gitignore: New. + * tests/.gitignore: New. + +2008-05-27 Joel E. Denny + + * NEWS (2.3b+): New section, empty for now. + * configure.ac (AC_INIT): 2.3b -> 2.3b+. + +2008-05-27 Joel E. Denny + + * NEWS (2.3b): Update release date since there has been a delay in + getting the announcements and tarballs out. + +2008-05-23 Joel E. Denny + + * NEWS: Version 2.3b. + * configure.ac (AC_INIT): Likewise. + (PACKAGE_COPYRIGHT_YEAR): Update to 2008. + +2008-05-23 Joel E. Denny + + * 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. + +2008-05-13 Joel E. Denny + + * data/yacc.c: Reformat m4 a little for readability. + * src/lalr.c (build_relations): Correct comment. + +2008-05-12 Juan Manuel Guerrero + + DJGPP specific issue. + * djgpp/config.sed: Fixes required to run configure scripts generated + by autoconf 2.62. + +2008-05-07 Joel E. Denny + + * HACKING (Release Procedure): translation@iro.umontreal.ca is now + coordinator@translationproject.org. + +2008-05-06 Joel E. Denny + + * THANKS: Add Eric Blake. + +2008-04-23 Eric Blake + + 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. + +2008-04-21 Joel E. Denny + + Work-around an Autoconf 2.62 AT_SETUP bug that was not present in + 2.61. Reported by Juan Manuel Guerrero at + . + * tests/output.at ("Output file name: ("): Comment out test case for + now. + ("Output file name: )"): Likewise. + +2008-04-21 Joel E. Denny + + * GNUmakefile: Update git-version-gen invocation so make dist + succeeds. + +2008-04-21 Joel E. Denny + + 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. + +2008-04-20 Joel E. Denny + + Fix make dist infinite loop reported by Juan Manuel Guerrero at + . + * .cvsignore: Add .version. + * .version.in: New. + * bootstrap.conf (gnulib_modules): Add git-version-gen. + * configure.ac (AC_CONFIG_FILES): Add .version. + * build-aux/.cvsignore: Add git-version-gen. + +2008-03-08 Joel E. Denny + + * 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. + +2008-02-28 Akim Demaille + + * doc/bison.texinfo: Fix a few typos. + +2008-02-28 Akim Demaille + + * doc/bison.texinfo (Bison Options): Document -W. + Based on Joel E. Denny's NEWS entry, and Automake's documentation. + +2008-02-28 Akim Demaille + + * 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. + +2008-02-22 Joel E. Denny + + * 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. + + * NEWS (2.3a+): Say option instead of flag. + +2008-02-21 Wojciech Polak + + * data/xslt/xml2xhtml.xsl (xsl:template match="/"): Change footer + text. + +2008-02-20 Joel E. Denny + + Fix impure push parser compile error reported by Bob Rossi at + . + * 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. + +2008-02-19 Joel E. Denny + + * runtime-po/POTFILES.in (push.c): Remove. + +2008-02-17 Joel E. Denny + + * data/Makefile.am (dist_pkgdata_DATA): Remove push.c. + * data/push.c: Rename to... + * data/yacc.c: ... this, overwriting it. + * etc/bench.pl.in (bench_grammar): `%pure-parser'-> `%define api.pure'. + `%push-pull-parser' -> `%define api.push_pull "both"'. + Remove old yacc.c tests, and update push.c tests to yacc.c. + +2008-02-17 Joel E. Denny + + * 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. + +2008-02-16 Joel E. Denny + + Fix documentation problems reported by Tim Josling at + . + * 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. + +2008-02-16 Joel E. Denny + + Accept a token number in a %left, %right, or %nonassoc for POSIX + conformance. Reported by Tim Josling at + . + * 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. + +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. @@ -146,7 +1053,7 @@ 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'. + * 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. @@ -216,7 +1123,7 @@ * data/xslt/xml2dot.xsl (xsl:template match="automaton/state"): After 2007-10-11 change, the child elements here are items not rules. - (