X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/ff601366544d2cb2218c80e37083a88c6102061c..d59beda068aef97834ea84ce4f5cc99b487e4b68:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 02d15de9..1c15cc5e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,335 @@ +2009-12-18 Joel E. Denny + + lalr1.cc: don't discard non-existent lookahead on syntax error. + * data/lalr1.cc (parser::parse): Check yyempty first. + * tests/c++.at (Syntax error discarding no lookahead): New test + group. + +2009-12-17 Joel E. Denny + + Code cleanup. + * src/symtab.c, src/symtab.h (symbol_class_get_string): Remove + function, which is no longer used. + +2009-12-16 Joel E. Denny + + Add gcc's -Wundef to test suite and fix another warning from it. + * NEWS (2.4.2): Update description of -Wundef fix. + * configure.ac (WARN_CXXFLAGS_TEST): New substitution. + (WARN_CFLAGS_TEST): New substitution. + * data/glr.c: Avoid warning about __STRICT_ANSI__. + * tests/atlocal.in (CFLAGS): Use WARN_CFLAGS_TEST instead of + WARN_CFLAGS. + (NO_WERROR_CFLAGS): Likewise. + (CXXFLAGS): Use WARN_CXXFLAGS_TEST instead of WARN_CXXFLAGS. + +2009-12-16 Joel E. Denny + + * data/yacc.c: Reformat m4 a little. + +2009-12-16 Joel E. Denny + + Document gcc -Wundef fix. + * NEWS (2.4.2): Here. + * THANKS (Jonathan Nieder): Add. + +2009-12-15 Jonathan Nieder (tiny change) + + Simplify y.tab.c when location tracking is disabled. + * data/yacc.c: Do not check YYLTYPE_IS_TRIVIAL if location + tracking is not enabled. Instead, unconditionally define + YY_LOCATION_PRINT as a no-op for backward compatibility. + +2009-12-15 Jonathan Nieder (tiny change) + + Avoid warnings from gcc -Wundef y.tab.c. + * data/glr.c: Check if YYENABLE_NLS and YYLTYPE_IS_TRIVIAL are + defined before using them. + * data/lalr1.cc: Likewise. + * data/yacc.c: Likewise. + +2009-12-15 Joel E. Denny + + autoconf: update to latest for fix of M4 detection. + Reported by Eric Blake. + * submodules/autoconf: Update. + +2009-12-15 Joel E. Denny + + portability: use -DGNULIB_POSIXCHECK. + Reported by Eric Blake. See discussions at + + and + . + * HACKING (Release checks): Suggest -DGNULIB_POSIXCHECK. + * bootstrap.conf (gnulib_modules): Add all the printf modules + suggested by -DGNULIB_POSIXCHECK. Add realloc-posix as + suggested by -DGNULIB_POSIXCHECK for gnulib's own vasnprintf.c. + (excluded_files): Remove m4/printf-posix.m4. + * tests/atlocal.in (LIBS): As for LDADD in src/local.mk, add + lib/libbison.a so gnulib libraries can be linked. + +2009-12-15 Joel E. Denny + + gnulib: update for fix of fprintf-posix, which we'll use soon. + * etc/prefix-gnulib-mk (prefix): Adjust regex for make file + targets so that gnulib's new arg-nonnull.h and link-warning.h + are matched. + * gnulib: Update. + +2009-12-14 Joel E. Denny + + Enable assertion output and --disable-assert for configure. + * bootstrap.conf (gnulib_modules): Add assert module. + * src/system.h (aver): Define as assert, and summarize the + discussion on this issue. + +2009-12-14 Joel E. Denny + + Expand GLR acronym in summary of Bison. + Based on discussion with Akim Demaille starting at + . + * doc/bison.texinfo (Introduction): Here. + * src/getargs.c (usage): Here. + +2009-10-03 Alex Rozenman + + Document named references. + * doc/bison.texinfo (Actions): Add new example and xref to + Using Named References node. + (Using Named References): New node. + +2009-10-16 Joel E. Denny + + cleanup. + * src/Sbitset.c (Sbitset__new_on_obstack): Use Sbitset instead + of char*. + (Sbitset__isEmpty): Use Sbitset instead of char*. + * src/Sbitset.h (Sbitset): Make it a pointer to unsigned char + instead of char. This helps to avoid casting errors. + (Sbitset__or): Use Sbitset instead of char*. + +2009-10-16 Joel E. Denny + + portability: don't assume 8-bit bytes. + That is, use CHAR_BIT and UCHAR_MAX instead of 8 and 0xff. + * src/Sbitset.h (Sbitset__nbytes): Here. + (Sbitset__byteAddress): Here. + (Sbitset__bit_mask): Here. + (Sbitset__last_byte_mask): Here. + (Sbitset__ones): Here. + (SBITSET__FOR_EACH): Here. + +2009-10-11 Joel E. Denny + + portability: use va_start and va_end in the same function. + * src/complain.c (error_message): Move va_end from here... + (ERROR_MESSAGE): ... to here. + +2009-10-08 Joel E. Denny + + * data/bison.m4: Update comments for rename to muscle-tab.h. + +2009-10-07 Joel E. Denny + + Minor code cleanup. + * src/muscle-tab.c (MUSCLE_USER_NAME_CONVERT): Remove macro and + replace all uses with UNIQSTR_CONCAT. + * src/uniqstr.c (uniqstr_vsprintf): New function. + * src/uniqstr.h (uniqstr_vsprintf): Add prototype. + (UNIQSTR_CONCAT, UNIQSTR_GEN_FORMAT, UNIQSTR_GEN_FORMAT_): New + macros. + +2009-10-06 Joel E. Denny + + * TODO (Complaint submessage indentation): New. + +2009-10-04 Joel E. Denny + + Minor code cleanup. + * src/parse-gram.y: Clean up sorting of declarations. + Use types to simplify %printer declarations where possible. + Provide %printer for BRACKETED_ID and symbol.prec. + * src/symtab.c: Whitespace change. + +2009-10-04 Joel E. Denny + + tests: skip tests of file names that platform does not support. + Reported by Michael Raskin at + . + * THANKS (Michael Raskin): Add. + * tests/output.at (AT_CHECK_OUTPUT_FILE_NAME): Fix. Cygwin used + to fail at least for file names containing ":" or "\". + +2009-09-23 Joel E. Denny + + yysyntax_error: avoid duplicate lookahead collection. + Except when memory reallocation is required, this change + eliminates the need to invoke yysyntax_error twice and thus to + repeat the collection of lookaheads. It also prepares for + future extensions that will make those repetitions more + expensive and that will require additional memory management in + yysyntax_error. Finally, it fixes an obscure bug already + exercised in the test suite. + * data/yacc.c (yysyntax_error): Add arguments for message + buffer variables stored in the parser. Instead of size, return + status similar to yyparse status but indicating success of + message creation. Other than the actual reallocation of the + message buffer, import and clean up memory management code + from... + (yyparse, yypush_parse): ... here. + * tests/regression.at (parse.error=verbose overflow): No longer + an expected failure. + +2009-09-23 Joel E. Denny + + yysyntax_error: test memory management more. + * tests/atlocal.in (NO_WERROR_CFLAGS): New cpp macro. + * tests/regression.at (parse.error=verbose and + YYSTACK_USE_ALLOCA): New test group. + (parse.error=verbose overflow): New test group that reveals an + obscure bug. Expected fail for now. + +2009-10-04 Joel E. Denny + + benchmarks: use %debug consistently among grammars. + * etc/bench.pl.in (generate_grammar_triangular): Do not activate + %debug by default. It can affect the timings even if yydebug=0. + (generate_grammar_calc): For consistency with other grammars, + use YYDEBUG environment variable to set yydebug. + +2009-10-03 Joel E. Denny + + Remove dead code. + * src/symtab.c (symbol_pack): Here because every symbol's number + is always defined by this time. + +2009-10-03 Alex Rozenman + + Add additional space after periods in NEWS. + * NEWS (2.5): here. + +2009-09-29 Joel E. Denny + + Use the correct conversion specifier for size_t. + Reported by Jim Meyering. + * src/Sbitset.h (SBITSET__INDEX__CONVERSION_SPEC): New, "zu" + because Sbitset__Index is size_t. + * src/Sbitset.c (Sbitset__fprint): Use it instead of %d. + +2009-09-27 Joel E. Denny + + tests: don't abuse AT_BISON_CHECK. + * tests/regression.at (parse-gram.y: LALR = IELR): Move + additional shell commands outside of AT_BISON_CHECK. + +2009-09-26 Joel E. Denny + + tests: check that parse-gram.y's IELR and LALR are identical. + * tests/atlocal.in (abs_top_srcdir): New shell variable. + * tests/regression.at (parse-gram.y: LALR = IELR): New test + group. + +2009-09-19 Alex Rozenman + + Keep sub-messages aligned. Fix strings for translation. + * src/location.h (location_print): Add return value. + * src/location.c (location_print): Return number of printed + characters. + * src/complain.h (complain_at_indent, warn_at_indent): Prototype + new functions. + * src/complain.cpp (indent_ptr): New static variable. + (error_message, complain_at_indent, warn_at_indent): Implement + the alignment mechanism. + * src/scan-code.l (parse_ref, show_sub_messages): Fix strings + for translations. Use new alignment mechanism. + * tests/named-ref.at: Adjust test-cases. + * NEWS (2.5): Add an announcement about named references. + +2009-09-17 Akim Demaille + + doc: fixes. + * doc/bison.texinfo: here. + Reported by Alex Rozenman. + +2009-09-16 Akim Demaille + + doc: lalr1.cc and variants. + * doc/bison.texinfo (Decl Summary): Document the "lex_symbol" and + "variant" %define variables. + (C++ Semantic Values): Split into... + (C++ Unions, C++ Variants): these. + The latter is new. + (C++ Parser Interface): Fix type names. + Document parser::syntax_error. + Document the fact that locations are not mandatory. + (C++ Scanner Interface): Split into... + (Split Symbols, Complete Symbols): these. + The later is new. + (Calc++ Parsing Driver): Use variants. + Add more comments. + Adjust style. + (Calc++ Parser): Declare all the tokens, no + longer accept raw characters. + Remove %union. + Adjust types and printers. + Remove destructors. + (Calc++ Scanner): Use make_ functions. + Use strerror in error message. + +2009-09-16 Akim Demaille + + doc: spell checking. + * doc/bison.texinfo: here. + +2009-09-16 Akim Demaille + + doc: comment changes. + * doc/bison.texinfo: Comment changes. + +2009-09-16 Akim Demaille + + lalr1.cc: factor the yytranslate_ invocation in make_SYMBOLS. + * data/c++.m4, data/lalr1.cc (parser::symbol_type): Change the + constructor to take a token_type instead of the (internal) symbol + number. + Call yytranslate_. + * data/variant.hh (b4_symbol_constructor_define_): Therefore, + don't call yytranslate_ here. + +2009-09-16 Akim Demaille + + TODO: statistics. + * TODO (Figures): New. + +2009-09-13 Joel E. Denny + + tests: clean up push.at test group titles. + * tests/push.at: Remove "Push Parsing: " from test group titles + because these are already under the banner "Push Parsing Tests". + +2009-09-12 Alex Rozenman + + Provide an additional sub-message for clarity. + Add "symbol not found in production" error message when + an "invalid reference" is detected in named references + resolution. + * src/scan-code.l: Update "invalid reference" case. + * tests/named-ref.at: Adjust test-cases. + +2009-09-10 Joel E. Denny + + Clean up yacc.c a little. + * data/yacc.c: Clean up M4 for readability, and make output + whitespace more consistent. For the main parse function + comment, instead of saying "yyparse or yypush_parse", say either + "yyparse" or "yypush_parse" depending on which it actually is. + +2009-09-10 Joel E. Denny + + Fix --enable-gcc-warnings. + * src/parse-gram.y (%printer ): Handle param_none. + 2009-09-09 Akim Demaille lalr1.cc: syntax_error as exceptions.