X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/333e670c857bff3b9354f61a572edaa0e25ac695..7ac45a46875b0204dbafde1456a1b32bf8e26b25:/data/yacc.c diff --git a/data/yacc.c b/data/yacc.c index b871118a..76a1baa4 100644 --- a/data/yacc.c +++ b/data/yacc.c @@ -3,7 +3,7 @@ # Yacc compatible skeleton for Bison # Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, -# 2007, 2008 Free Software Foundation, Inc. +# 2007, 2008, 2009 Free Software Foundation, Inc. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -18,13 +18,13 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see . -# Check the value of %define api.push_pull. -b4_percent_define_default([[api.push_pull]], [[pull]]) -b4_percent_define_check_values([[[[api.push_pull]], +# Check the value of %define api.push-pull. +b4_percent_define_default([[api.push-pull]], [[pull]]) +b4_percent_define_check_values([[[[api.push-pull]], [[pull]], [[push]], [[both]]]]) b4_define_flag_if([pull]) m4_define([b4_pull_flag], [[1]]) b4_define_flag_if([push]) m4_define([b4_push_flag], [[1]]) -m4_case(b4_percent_define_get([[api.push_pull]]), +m4_case(b4_percent_define_get([[api.push-pull]]), [pull], [m4_define([b4_push_flag], [[0]])], [push], [m4_define([b4_pull_flag], [[0]])]) @@ -153,9 +153,10 @@ m4_define([b4_rhs_location], # We do want M4 expansion after # for CPP macros. m4_changecom() m4_divert_push(0)dnl -@output(b4_parser_file_name@) +@output(b4_parser_file_name@)@ b4_copyright([Skeleton implementation for Bison's Yacc-like parsers in C],dnl ' - [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006])[ + [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, + 2009])[ /* C LALR(1) parser skeleton written by Richard Stallman, by simplifying the original so-called "semantic" parser. */ @@ -547,8 +548,8 @@ static const ]b4_int_type_for([b4_r2])[ yyr2[] = ]b4_r2[ }; -/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state - STATE-NUM when YYTABLE doesn't specify something else to do. Zero +/* YYDEFACT[STATE-NAME] -- Default reduction number in state STATE-NUM. + Performed when YYTABLE doesn't specify something else to do. Zero means the default is an error. */ static const ]b4_int_type_for([b4_defact])[ yydefact[] = { @@ -1191,9 +1192,9 @@ b4_push_if([b4_pure_if([], [[ int yypushed_char = yychar; int yytoken; /* The variables used to return semantic value and location from the action routines. */ - YYSTYPE yyval; -]b4_locations_if([[ YYLTYPE yyloc; -]])[ + YYSTYPE yyval;]b4_locations_if([[ + YYLTYPE yyloc;]])[ + #if YYERROR_VERBOSE /* Buffer for error messages, and its allocated size. */ char yymsgbuf[128]; @@ -1205,19 +1206,18 @@ b4_push_if([b4_pure_if([], [[ int yypushed_char = yychar; /* The number of symbols on the RHS of the reduced rule. Keep to zero when no symbol should be popped. */ - int yylen = 0; -]b4_push_if([[ + int yylen = 0;]b4_push_if([[ + if (!yyps->yynew) { yyn = yypact[yystate]; goto yyread_pushed_token; - } -]])[ + }]])[ + yytoken = 0; yyss = yyssa; - yyvs = yyvsa; -]b4_locations_if([[ yyls = yylsa; -]])[ + yyvs = yyvsa;]b4_locations_if([[ + yyls = yylsa;]])[ yystacksize = YYINITDEPTH; YYDPRINTF ((stderr, "Starting parse\n")); @@ -1354,33 +1354,29 @@ yybackup: /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ if (yychar == YYEMPTY) - { -]b4_push_if([[ if (!yyps->yynew) - { -]b4_use_push_for_pull_if([], -[[ YYDPRINTF ((stderr, "Return for a new token:\n")); -]])[ yyresult = YYPUSH_MORE; + {]b4_push_if([[ + if (!yyps->yynew) + {]b4_use_push_for_pull_if([], [[ + YYDPRINTF ((stderr, "Return for a new token:\n"));]])[ + yyresult = YYPUSH_MORE; goto yypushreturn; } - yyps->yynew = 0; -]b4_pure_if([], [[ + yyps->yynew = 0;]b4_pure_if([], [[ /* Restoring the pushed token is only necessary for the first yypush_parse invocation since subsequent invocations don't overwrite it before jumping to yyread_pushed_token. */ yychar = yypushed_char; - yylval = yypushed_val; - ]b4_locations_if([[yylloc = yypushed_loc; -]])])[ -yyread_pushed_token: -]])[ YYDPRINTF ((stderr, "Reading a token: ")); -]b4_push_if([b4_pure_if([[ yychar = yypushed_char; + yylval = yypushed_val;]b4_locations_if([[ + yylloc = yypushed_loc;]])])[ +yyread_pushed_token:]])[ + YYDPRINTF ((stderr, "Reading a token: "));]b4_push_if([b4_pure_if([[ + yychar = yypushed_char; if (yypushed_val) - yylval = *yypushed_val; -]b4_locations_if([[ if (yypushed_loc) - yylloc = *yypushed_loc; -]])])], -[[ yychar = YYLEX; -]])[ } + yylval = *yypushed_val;]b4_locations_if([[ + if (yypushed_loc) + yylloc = *yypushed_loc;]])])], [[ + yychar = YYLEX;]])[ + } if (yychar <= YYEOF) { @@ -1679,9 +1675,10 @@ yypushreturn: ]b4_epilogue b4_defines_if( -[@output(b4_spec_defines_file@) +[@output(b4_spec_defines_file@)@ b4_copyright([Skeleton interface for Bison's Yacc-like parsers in C],dnl ' - [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006]) + [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, + 2009]) b4_percent_code_get([[requires]])[]dnl