X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/91a2b9b1b268e404801b8ea6f04c4da1025ebae0..d1cc31c5f04b81a3620fa291020ce23490f3f9e7:/ChangeLog diff --git a/ChangeLog b/ChangeLog index a3691fba..44f27ffa 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,228 @@ +2009-08-26 Joel E. Denny + + tests: show a use of %define lr.default-reductions "consistent" + * tests/conflicts.at (%nonassoc and eof): Extend to test that it + prevents the omission of expected tokens for %error-verbose. + +2009-08-26 Akim Demaille + + tests: portability fix. + * tests/input.at (Bad escapes in literals): Don't expect "echo + '\0'" to output \ then 0. + +2009-08-26 Joel E. Denny + + Actually handle the yytable zero value correctly this time. + * data/bison.m4 (b4_integral_parser_tables_map): Don't mention + zero values in the YYTABLE comments. + * data/glr.c (yytable_value_is_error): Don't check for zero + value. + * data/lalr1.cc (yy_table_value_is_error_): Likewise. + * data/yacc.c (yytable_value_is_error): Likewise. + * data/lalr1.java (yy_table_value_is_error_): Likewise. + (yysyntax_error): Fix typo in code: use yytable_ not yycheck_. + * src/tables.h: In header comments, explain why it's useless to + check for a zero value in yytable. + +2009-08-25 Joel E. Denny + + More fixes related to last two patches. + * data/bison.m4 (b4_integral_parser_tables_map): Fix YYTABLE + comments: zero indicates syntax error not default action. + * data/c.m4 (b4_table_value_equals): Comment that YYID must be + defined. + * data/glr.c (yyis_pact_ninf): Rename to... + (yypact_value_is_default): ... this. + (yyisDefaultedState): Update for rename. + (yyis_table_ninf): Rename to... + (yytable_value_is_error): ... this, and check for value zero + besides just YYTABLE_NINF. + (yygetLRActions): Check for default value from yypact. It + appears that this check is always performed before this function + is invoked, and so adding the check here is probably redundant. + However, the code may evolve after this subtlety is forgotten. + Also, update for rename to yytable_value_is_error. Because that + macro now checks for zero, a different but equivalent branch of + the if-then-else here is evaluated. + (yyreportSyntaxError): Update for rename to + yytable_value_is_error. The zero condition was mishandled + before. + (yyrecoverSyntaxError): Update for renames. No behavioral + changes. + * data/lalr1.cc, data/lalr1.java (yy_pact_value_is_default_): + New function. + (yy_table_value_is_error_): New function. + (parse): Use new functions where possible. No behavioral + changes. + (yysyntax_error_, yysyntax_error): Use yy_table_value_is_error_. + The zero condition was mishandled before. + * data/yacc.c (yyis_pact_ninf): Rename to... + (yypact_value_is_default): ... this. + (yyis_table_ninf): Rename to... + (yytable_value_is_error): ... this, and check for value zero + besides just YYTABLE_NINF. + (yysyntax_error): Update for rename to yytable_value_is_error. + The zero condition was mishandled before. + (yyparse): Update for renames. No behavioral changes. + * src/tables.h: Improve comments about yypact, yytable, etc. + more. Most importantly, say yytable value of zero means syntax + error not default action. + +2009-08-25 Joel E. Denny + + Fix %error-verbose for conflicts resolved by %nonassoc. + * NEWS (2.5): Document. + * data/glr.c (yyreportSyntaxError): Fix this by checking + yyis_table_ninf. + * data/yacc.c (yysyntax_error): Likewise. + * data/lalr1.cc (yysyntax_error_): Fix this by checking + yytable_ninf_. + * data/lalr1.java (yysyntax_error): Likewise. + * tests/conflicts.at (%nonassoc and eof): Update expected output + and remove FIXME. + +2009-08-25 Joel E. Denny + + Some code and documentation improvements. + * data/c.m4 (b4_table_value_equals): New macro to capture + some repeated code. + * data/glr.c (yyis_pact_ninf): Use it here. + (yyis_table_ninf): Likewise. + (yyreportSyntaxError): Improve internal comments. + * data/yacc.c (yyis_pact_ninf): New macro copied from glr.c. + Use it everywhere possible. + (yyis_table_ninf): Likewise. + (yysyntax_error): Improve internal comments. + * data/lalr1.cc (yysyntax_error_): Likewise. + * data/lalr1.java (yysyntax_error): Likewise. + * src/tables.h: Improve comments about yypact, yytable, etc. + +2009-08-21 Joel E. Denny + + Use locale when quoting. + * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): Use + quote rather than implementing quoting here. + +2009-08-20 Eric Blake + + Make previous patch more robust. + * src/output.c (ARRAY_CARDINALITY): New macro, copied from + argmatch.h. + (output_skeleton): Use it. + Suggested by Akim Demaille. + + Import latest m4/m4.m4. + * submodules/autoconf: Update to autoconf 2.64. + * configure.ac (M4_GNU_OPTION): New define. + * src/output.c (output_skeleton): Use it to resolve FIXME. + * NEWS: Mention this. + +2009-08-19 Joel E. Denny + + Fix complaints about escape sequences. + Discussed starting at + . + * src/scan-gram.l (SC_ESCAPED_STRING, SC_ESCAPED_CHARACTER): + For a \0 and similar escape sequences meaning the null + character, report an invalid escape sequence instead of an + invalid null character because the latter does not actually + appear in the user's input. + In all escape sequence complaints, don't escape the initial + backslash, and don't quote when the sequence appears at the end + of the complaint line unless there's whitespace that quotearg + won't escape. + Consistently say "invalid" not "unrecognized". + Consistently prefer "empty character literal" over "extra + characters in character literal" warning for invalid escape + sequences; that is, consistently discard those sequences. + * tests/input.at (Bad escapes in literals): New. + +2009-08-19 Akim Demaille + + doc: fixes. + * doc/bison.texinfo: Fix minor Texinfo errors. + +2009-08-19 Akim Demaille + + tests: distcc compliance. + * tests/synclines.at (AT_SYNCLINES_COMPILE): Discard distcc's + error messages from the output. + +2009-08-19 Akim Demaille + + variables: simplify the upgrade of namespace into api.namespace. + + This patch simplifies "variables: rename namespace as + api.namespace", commit 67501061076ba46355cfd9f9361c7eed861b389c. + Suggested by Joel E. Denny in + http://lists.gnu.org/archive/html/bison-patches/2009-07/msg00006.html + + * src/muscle-tab.c (muscle_percent_variable_update): New. + (muscle_percent_define_insert): Use it in replacement of the + previous tr invocation. + Remove variable_tr, no longer needed. + * data/bison.m4 (b4_percent_define_copy_, b4_percent_define_copy): + Remove. + * data/c++.m4: No longer handle namespace -> api.namespace. + * tests/input.at (%define backward compatibility): Check that + namespace is treated as api.namespace. + +2009-08-19 Akim Demaille + + doc: %initial-action to initialize yylloc. + Reported by Bill Allombert. + * doc/bison.texinfo: Set fill-column to 76. + (Location Type): Document the use of %initial-action to initialize + yylloc. + +2009-08-19 Akim Demaille + + lalr1.cc: use state_type. + * data/lalr1.cc (yysyntax_error_): Use state_type. + Move argument names into yy*. + +2009-08-19 Akim Demaille + + lalr1.cc: get rid of yyparse's yystate. + yystate and yystack_[0].state are equal, keep only the latter. + The former was also used as a temporary variable to compute the + post-reduction state. Move this computation into an auxiliary + function. + + * data/glr.c (yyLRgotoState): Fuse variable definition and first + assignment. + * data/lalr1.cc (yy_lr_goto_state_): New. + (yyparse): Use it. + Replace remaining uses of yystate by yystate_[0].state. + Remove the former. + +2009-08-19 Akim Demaille + + lalr1.cc: destroy $$ when YYERROR is called. + * data/lalr1.cc (yyreduce): Compute the resulting state before + running the user action so that yylhs is a valid symbol. + (yyerrorlab): Since yylhs is complete (it knows its type), we can + simply call yy_destroy_ to destroy $$ on YYERROR invocations. + * tests/c++.at (AT_CHECK_VARIANTS): Test YYERROR with variants. + +2009-08-18 Joel E. Denny + + maint: update for gnulib's recent update-copyright changes + * gnulib: Update. + * .x-update-copyright (COPYING): Add as it's no longer implied + when .x-update-copyright is present. + * cfg.mk (update-copyright-local): Remove, now ignored. + (update-copyright): Declare update-b4-copyright as a dependency. + +2009-08-17 Akim Demaille + + build: require gettext 0.17. + + Suggested by Bruno Haible. + http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00009.html + * configure.ac: require gettext 0.17 to ensure compatibility with + gnulib. + 2009-08-17 Akim Demaille build: lower gettext requirements. @@ -7,12 +232,12 @@ that perfectly supported Bison mo files. Lower the requirement. http://lists.gnu.org/archive/html/bug-bison/2009-08/msg00006.html - * configure.ac: Require need-ngettext instead of - need-formatstring-macros. - Reported by Martin Jabocs. - Suggested by Bruno Haible. - * INSTALL: Restructure. - (Internationalization): New. + * configure.ac: Require need-ngettext instead of + need-formatstring-macros. + Reported by Martin Jabocs. + Suggested by Bruno Haible. + * INSTALL: Restructure. + (Internationalization): New. 2009-08-14 Joel E. Denny @@ -109,7 +334,7 @@ distcheck: fix. - * examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp. + * examples/calc++/Makefile.am: (EXTRA_DIST): Ship calc.stamp. 2009-08-10 Joel E. Denny @@ -439,13 +664,13 @@ 2009-06-10 Akim Demaille gnulib: update. - * gnulib: Update to latest. - * lib/.cvsignore, lib/.gitignore, m4/.cvsignore, - * m4/.gitignore: Regen. - * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr): - Call xalloc_die on hash_insert failures. - Requested by the new __warn_unused_result__ attribute of - hash_insert. + * gnulib: Update to latest. + * lib/.cvsignore, lib/.gitignore, m4/.cvsignore, + * m4/.gitignore: Regen. + * src/symtab.c (symbol_from_uniqstr, semantic_type_from_uniqstr): + Call xalloc_die on hash_insert failures. + Requested by the new __warn_unused_result__ attribute of + hash_insert. 2009-06-10 Akim Demaille