X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/879ca4f81b4ff96621124ba65bb307a9c16a0653..cce7a5f4230618ddc7e256e8b83b7f0d84ff5909:/ChangeLog diff --git a/ChangeLog b/ChangeLog index 3876be0d..58379880 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,78 @@ +2002-12-24 Paul Eggert + + Version 1.75e. + + * Makefile.maint (cvs-update): Don't assume that the shell + supports $(...), as Solaris sh doesn't. + + * src/parse-gram.y (lloc_default): Remove test for empty + nonterminals at the end, since it didn't change the result. + +2002-12-24 Paul Eggert + + If the user does not define YYSTYPE as a macro, Bison now declares it + using typedef instead of defining it as a macro. POSIX requires this. + For consistency, YYLTYPE is also declared instead of defined. + + %union directives can now have a tag before the `{', e.g., the + directive `%union foo {...}' now generates the C code + `typedef union foo { ... } YYSTYPE;'; this is for Yacc compatibility. + The default union tag is `YYSTYPE', for compatibility with Solaris 9 + Yacc. For consistency, YYLTYPE's struct tag is now `YYLTYPE' + instead of `yyltype'. + + `yystype' and `yyltype' are now obsolescent macros instead of being + typedefs or tags; they are no longer documented and will be + withdrawn in a future release. + + * data/glr.c (b4_location_type): Remove. + (YYSTYPE): Renamed from yystype. + (YYSTYPE_IS_DECLARED): New macro, used to prevent double-typedef. + (struct YYLTYPE): Renamed from struct yyltype. + (YYLTYPE): Renamed from yyltype. + (yyltype, yystype): New (and obsolescent) macros, + for backward compatibility. + * data/yacc.c: Likewise. + + * data/yacc.c (YYSTYPE): Declare as union YYSTYPE if the user + does not specify a union tag. This is for compatibility with + Solaris 9 yacc. + + * src/parse-gram.y (add_param): 2nd arg is now char * not char + const *, since it is now modified by stripping surrounding { }. + (current_braced_code): Remove. + (PERCENT_DESTRUCTOR, PERCENT_PRINTER, PERCENT_UNION, + PERCENT_LEX_PARAM, PERCENT_PARSE_PARAM): Change names to include + trailing " {...}". Now of type . + (grammar_declaration): Adjust to bundled tokens. + (code_content): Remove; stripping is now done by add_param. + (print_token_value): Print contents of bundled tokens. + (token_name): New function. + + * src/reader.h (braced_code, current_braced_code): Remove. + (token_name): New decl. + + * src/scan-gram.l (handle_dollar, handle_at): Now takes int + token_type, not braced_code code_kind. All uses changed. + (SC_PRE_CODE): New state, for scanning after a keyword that + has (or usually has) an immediately-following braced code. + (token_type): New local var, to keep track of which token type + to return when scanning braced code. + ("%destructor", "%lex-param", + "%parse-param", "%printer, + "%union"): Set token type and BEGIN SC_PRE_CODE + instead of returning a token type immediately. + ("{"): Set token type. + ("}"): Use it. + (handle_action_dollar, handle_action_at): Now returns bool + indicating success. Fail if ! current_rule; this prevents a core dump. + (handle_symbol_code_dollar, handle_symbol_code_at): + Remove; merge body into caller. + (handle_dollar, handle_at): Complain in invalid contexts. + + * NEWS, doc/bison.texinfo: Document the above. + * NEWS: Fix years and program names in copyright notice. + 2002-12-17 Paul Eggert * NEWS, doc/bison.texinfo (Parser Function, Pure Calling, Error @@ -9,9 +84,8 @@ Undo most of the 2002-11-12 yychar -> yytoken patch, as it broke GCC 3.2.1 (which depends on yychar == YYEMPTY when there is no lookahead symbol, and which sets yychar in parser actions) and it - disagreed with the Bison documentation. This should fix the bug - reported by Andrew Walrond in - . + disagreed with the Bison documentation. Bug + reported by Andrew Walrond. * data/yacc.c (YYTRANSLATE): Don't check for negative argument, as the caller now does that. @@ -10420,21 +10494,22 @@ * REFERENCES: entered into RCS ----- -Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. +Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996, 1997, +1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. -This file is part of GNU Bison. +This file is part of Bison, the GNU Compiler Compiler. -GNU Bison is free software; you can redistribute it and/or modify +Bison is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. -GNU Bison is distributed in the hope that it will be useful, +Bison is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with GNU Bison; see the file COPYING. If not, write to +along with Bison; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.