X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/a0d4650a09f2b0cf36164348ac978fb87e81cb43..ba206cf40acd26224d6619bda6a920e4c0744225:/data/yacc.c diff --git a/data/yacc.c b/data/yacc.c index 0c73f542..8b7a0601 100644 --- a/data/yacc.c +++ b/data/yacc.c @@ -1,10 +1,12 @@ -*- C -*- - # Yacc compatible skeleton for Bison # Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, # 2007, 2008 Free Software Foundation, Inc. +m4_pushdef([b4_copyright_years], +[1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008]) + # 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 # the Free Software Foundation, either version 3 of the License, or @@ -122,7 +124,7 @@ m4_define([b4_lhs_value], # Expansion of $NUM, where the current rule has RULE-LENGTH # symbols on RHS. m4_define([b4_rhs_value], -[b4_symbol_value([yyvsp@{($2) - ($1)@}], [$3])]) + [b4_symbol_value([yyvsp@{b4_subtract([$2], [$1])@}], [$3])]) @@ -142,7 +144,7 @@ m4_define([b4_lhs_location], # Expansion of @NUM, where the current rule has RULE-LENGTH symbols # on RHS. m4_define([b4_rhs_location], -[(yylsp@{($2) - ($1)@})]) + [(yylsp@{b4_subtract([$2], [$1])@})]) @@ -154,8 +156,8 @@ m4_define([b4_rhs_location], m4_changecom() m4_divert_push(0)dnl @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])[ +b4_copyright([Implementation for Bison's Yacc-like parsers in C])dnl' +[ /* C LALR(1) parser skeleton written by Richard Stallman, by simplifying the original so-called "semantic" parser. */ @@ -480,41 +482,27 @@ union yyalloc #define YYNNTS ]b4_nterms_number[ /* YYNRULES -- Number of rules. */ #define YYNRULES ]b4_rules_number[ -/* YYNRULES -- Number of states. */ +/* YYNSTATES -- Number of states. */ #define YYNSTATES ]b4_states_number[ -/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned + by yylex, with out-of-bounds checking. */ #define YYUNDEFTOK ]b4_undef_token_number[ #define YYMAXUTOK ]b4_user_token_number_max[ #define YYTRANSLATE(YYX) \ ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) -/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM + as returned by yylex, without out-of-bounds checking. */ static const ]b4_int_type_for([b4_translate])[ yytranslate[] = { ]b4_translate[ }; #if YYDEBUG -/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in - YYRHS. */ -static const ]b4_int_type_for([b4_prhs])[ yyprhs[] = -{ - ]b4_prhs[ -}; - -/* YYRHS -- A `-1'-separated list of the rules' RHS. */ -static const ]b4_int_type_for([b4_rhs])[ yyrhs[] = -{ - ]b4_rhs[ -}; - -/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ -static const ]b4_int_type_for([b4_rline])[ yyrline[] = -{ - ]b4_rline[ -}; +]b4_integral_parser_table_define([rline], [b4_rline], + [YYRLINE[YYN] -- Source line where rule number YYN was defined.])[ #endif #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE @@ -527,75 +515,19 @@ static const char *const yytname[] = #endif # ifdef YYPRINT -/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to - token YYLEX-NUM. */ +/* YYTOKNUM[NUM] -- (External) token number corresponding to the + (internal) symbol number NUM (which must be that of a token). */ static const ]b4_int_type_for([b4_toknum])[ yytoknum[] = { ]b4_toknum[ }; # endif -/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ -static const ]b4_int_type_for([b4_r1])[ yyr1[] = -{ - ]b4_r1[ -}; - -/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ -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 - means the default is an error. */ -static const ]b4_int_type_for([b4_defact])[ yydefact[] = -{ - ]b4_defact[ -}; - -/* YYDEFGOTO[NTERM-NUM]. */ -static const ]b4_int_type_for([b4_defgoto])[ yydefgoto[] = -{ - ]b4_defgoto[ -}; - -/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing - STATE-NUM. */ #define YYPACT_NINF ]b4_pact_ninf[ -static const ]b4_int_type_for([b4_pact])[ yypact[] = -{ - ]b4_pact[ -}; - -/* YYPGOTO[NTERM-NUM]. */ -static const ]b4_int_type_for([b4_pgoto])[ yypgoto[] = -{ - ]b4_pgoto[ -}; -/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If - positive, shift that token. If negative, reduce the rule which - number is the opposite. If zero, do what YYDEFACT says. - If YYTABLE_NINF, syntax error. */ #define YYTABLE_NINF ]b4_table_ninf[ -static const ]b4_int_type_for([b4_table])[ yytable[] = -{ - ]b4_table[ -}; -static const ]b4_int_type_for([b4_check])[ yycheck[] = -{ - ]b4_check[ -}; - -/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing - symbol of state STATE-NUM. */ -static const ]b4_int_type_for([b4_stos])[ yystos[] = -{ - ]b4_stos[ -}; +]b4_parser_tables_define[ #define yyerrok (yyerrstatus = 0) #define yyclearin (yychar = YYEMPTY) @@ -744,24 +676,26 @@ do { \ `------------------------------------------------*/ ]b4_c_function_def([yy_reduce_print], [static void], - [[YYSTYPE *yyvsp], [yyvsp]], + [[yytype_int16 *yyssp], [yyssp]], + [[YYSTYPE *yyvsp], [yyvsp]], b4_locations_if([[[YYLTYPE *yylsp], [yylsp]], - ])[[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [, - b4_parse_param]))[ + ])[[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [, + b4_parse_param]))[ { + unsigned long int yylno = yyrline[yyrule]; int yynrhs = yyr2[yyrule]; int yyi; - unsigned long int yylno = yyrline[yyrule]; YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", - yyrule - 1, yylno); + yyrule - 1, yylno); /* The symbols being reduced. */ for (yyi = 0; yyi < yynrhs; yyi++) { YYFPRINTF (stderr, " $%d = ", yyi + 1); - yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], - &]b4_rhs_value(yynrhs, yyi + 1)[ - ]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl - b4_user_args[); + yy_symbol_print (stderr, + yystos[yyssp[yyi + 1 - yynrhs]], + &]b4_rhs_value(yynrhs, yyi + 1)[ + ]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl + b4_user_args[); YYFPRINTF (stderr, "\n"); } } @@ -769,7 +703,7 @@ do { \ # define YY_REDUCE_PRINT(Rule) \ do { \ if (yydebug) \ - yy_reduce_print (yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \ + yy_reduce_print (yyssp, yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \ } while (YYID (0)) /* Nonzero means print parse trace. It is left uninitialized so that @@ -1675,8 +1609,7 @@ yypushreturn: ]b4_epilogue b4_defines_if( [@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]) +b4_copyright([Interface for Bison's Yacc-like parsers in C])dnl' b4_percent_code_get([[requires]])[]dnl @@ -1739,3 +1672,4 @@ b4_c_function_decl([b4_prefix[pstate_delete]], [[void]], b4_percent_code_get([[provides]])[]dnl ])dnl b4_defines_if m4_divert_pop(0) +m4_popdef([b4_copyright_years])