X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0d50976f3c7b4e74e8cbe32dbeb0312a7845ca14..75ad86eebd3f49dff81976eb83036eb7b7793e68:/data/yacc.c diff --git a/data/yacc.c b/data/yacc.c index 9cb7f2f3..4ec1f4a1 100644 --- a/data/yacc.c +++ b/data/yacc.c @@ -1,9 +1,9 @@ -m4_divert(-1) -*- C -*- + -*- C -*- # Yacc compatible skeleton for Bison -# Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005 -# Free Software Foundation, Inc. +# Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, +# 2007 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 @@ -20,7 +20,10 @@ m4_divert(-1) -*- C -*- # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA # 02110-1301 USA +# Handle BISON_USE_PUSH_FOR_PULL for the test suite. +b4_use_push_for_pull_if([m4_include(b4_pkgdatadir/[push.c])], [ +m4_include(b4_pkgdatadir/[c.m4]) ## ---------------- ## ## Default values. ## @@ -36,20 +39,20 @@ m4_define_default([b4_stack_depth_init], [200]) ## ------------------------ ## -# b4_pure_if(IF-TRUE, IF-FALSE) -# ----------------------------- +# b4_yacc_pure_if(IF-TRUE, IF-FALSE) +# ---------------------------------- # Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise. -m4_define([b4_Pure_if], +m4_define([b4_yacc_pure_if], [b4_pure_if([m4_ifset([b4_parse_param], - [$1], [$2])], - [$2])]) + [$1], [$2])], + [$2])]) # b4_yyerror_args # --------------- # Arguments passed to yyerror: user args plus yylloc. m4_define([b4_yyerror_args], -[b4_Pure_if([b4_location_if([&yylloc, ])])dnl +[b4_yacc_pure_if([b4_locations_if([&yylloc, ])])dnl m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])]) @@ -59,7 +62,7 @@ m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])]) # b4_lex_param arrives quoted twice, but we want to keep only one level. m4_define([b4_lex_param], m4_dquote(b4_pure_if([[[[YYSTYPE *]], [[&yylval]]][]dnl -b4_location_if([, [[YYLTYPE *], [&yylloc]]])m4_ifdef([b4_lex_param], [, ])])dnl +b4_locations_if([, [[YYLTYPE *], [&yylloc]]])m4_ifdef([b4_lex_param], [, ])])dnl m4_ifdef([b4_lex_param], b4_lex_param))) @@ -71,18 +74,19 @@ m4_ifdef([b4_lex_param], b4_lex_param))) # b4_int_type(MIN, MAX) # --------------------- # Return the smallest int type able to handle numbers ranging from -# MIN to MAX (included). We overwrite the version from c.m4 which relies -# on "signed char" which is not portable to old K&R compilers. +# MIN to MAX (included). Overwrite the version from c.m4, which +# uses only C89 types, so that the user can override the shorter +# types, and so that pre-C89 compilers are handled correctly. m4_define([b4_int_type], -[m4_if(b4_ints_in($@, [0], [255]), [1], [unsigned char], - b4_ints_in($@, [-128], [127]), [1], [yysigned_char], +[m4_if(b4_ints_in($@, [0], [255]), [1], [yytype_uint8], + b4_ints_in($@, [-128], [127]), [1], [yytype_int8], - b4_ints_in($@, [0], [65535]), [1], [unsigned short int], - b4_ints_in($@, [-32768], [32767]), [1], [short int], + b4_ints_in($@, [0], [65535]), [1], [yytype_uint16], + b4_ints_in($@, [-32768], [32767]), [1], [yytype_int16], m4_eval([0 <= $1]), [1], [unsigned int], - [int])]) + [int])]) ## ----------------- ## @@ -102,7 +106,7 @@ m4_define([b4_lhs_value], # Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH # symbols on RHS. m4_define([b4_rhs_value], -[(yyvsp@{m4_eval([$2 - $1])@}m4_ifval([$3], [.$3]))]) +[(yyvsp@{($2) - ($1)@}m4_ifval([$3], [.$3]))]) @@ -122,7 +126,7 @@ m4_define([b4_lhs_location], # Expansion of @NUM, where the current rule has RULE-LENGTH symbols # on RHS. m4_define([b4_rhs_location], -[(yylsp@{m4_eval([$2 - $1])@})]) +[(yylsp@{($2) - ($1)@})]) @@ -132,18 +136,13 @@ m4_define([b4_rhs_location], # We do want M4 expansion after # for CPP macros. m4_changecom() -m4_divert(0)dnl -@output @output_parser_name@ -b4_copyright([Skeleton parser for Yacc-like parsing with Bison], - [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005])[ +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])[ -/* As a special exception, when this file is copied by Bison into a - Bison output file, you may use that output file without restriction. - This special exception was added by the Free Software Foundation - in version 1.24 of Bison. */ - -/* Written by Richard Stallman by simplifying the original so called - ``semantic'' parser. */ +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ /* All symbols defined below should begin with yy or YY, to avoid infringing on user name space. This should be done even for local @@ -153,7 +152,8 @@ b4_copyright([Skeleton parser for Yacc-like parsing with Bison], USER NAME SPACE" below. */ ]b4_identification -m4_if(b4_prefix[], [yy], [], +b4_percent_code_get([[top]])[]dnl +m4_if(b4_prefix, [yy], [], [/* Substitute the variable and function names. */ #define yyparse b4_prefix[]parse #define yylex b4_prefix[]lex @@ -162,16 +162,14 @@ m4_if(b4_prefix[], [yy], [], #define yychar b4_prefix[]char #define yydebug b4_prefix[]debug #define yynerrs b4_prefix[]nerrs -b4_location_if([#define yylloc b4_prefix[]lloc])])[ - -]b4_token_enums_defines(b4_tokens)[ +b4_locations_if([#define yylloc b4_prefix[]lloc])])[ /* Copy the first part of user declarations. */ -]b4_pre_prologue[ +]b4_user_pre_prologue[ /* Enabling traces. */ #ifndef YYDEBUG -# define YYDEBUG ]b4_debug[ +# define YYDEBUG ]b4_debug_flag[ #endif /* Enabling verbose error messages. */ @@ -179,7 +177,7 @@ b4_location_if([#define yylloc b4_prefix[]lloc])])[ # undef YYERROR_VERBOSE # define YYERROR_VERBOSE 1 #else -# define YYERROR_VERBOSE ]b4_error_verbose[ +# define YYERROR_VERBOSE ]b4_error_verbose_flag[ #endif /* Enabling the token table. */ @@ -187,19 +185,25 @@ b4_location_if([#define yylloc b4_prefix[]lloc])])[ # define YYTOKEN_TABLE ]b4_token_table[ #endif -#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) +]b4_percent_code_get([[requires]])[]dnl + +b4_token_enums_defines(b4_tokens)[ + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED ]m4_ifdef([b4_stype], -[b4_syncline([b4_stype_line], [b4_file_name]) -typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE; -/* Line __line__ of yacc.c. */ -b4_syncline([@oline@], [@ofile@])], -[typedef int YYSTYPE;])[ +[[typedef union ]b4_union_name[ +{ +]b4_user_stype[ +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1]], +[m4_if(b4_tag_seen_flag, 0, +[[typedef int YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1]])])[ # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 -# define YYSTYPE_IS_TRIVIAL 1 #endif -]b4_location_if([#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED) +]b4_locations_if([#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED typedef struct YYLTYPE { int first_line; @@ -210,21 +214,50 @@ typedef struct YYLTYPE # define yyltype YYLTYPE /* obsolescent; will be withdrawn */ # define YYLTYPE_IS_DECLARED 1 # define YYLTYPE_IS_TRIVIAL 1 +#endif]) + +b4_percent_code_get([[provides]])[]dnl + +[/* Copy the second part of user declarations. */ +]b4_user_post_prologue +b4_percent_code_get[]dnl + +[#ifdef short +# undef short #endif -])[ -/* Copy the second part of user declarations. */ -]b4_post_prologue +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif -/* Line __line__ of yacc.c. */ -b4_syncline([@oline@], [@ofile@])[ +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif ]b4_c_modern[ +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif #ifndef YYSIZE_T -# if defined (__SIZE_TYPE__) +# ifdef __SIZE_TYPE__ # define YYSIZE_T __SIZE_TYPE__ -# elif defined (size_t) +# elif defined size_t # define YYSIZE_T size_t -# elif ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus)) +# elif ! defined YYSIZE_T && ]b4_c_modern[ # include <stddef.h> /* INFRINGES ON USER NAME SPACE */ # define YYSIZE_T size_t # else @@ -246,7 +279,24 @@ b4_syncline([@oline@], [@ofile@])[ # endif #endif -#if ! defined (yyoverflow) || YYERROR_VERBOSE +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +]b4_c_function_def([YYID], [static int], [[int yyi], [yyi]])[ +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE /* The parser invokes alloca or malloc; define the necessary symbols. */ @@ -254,17 +304,16 @@ b4_syncline([@oline@], [@ofile@])[ # if YYSTACK_USE_ALLOCA # ifdef __GNUC__ # define YYSTACK_ALLOC __builtin_alloca -# elif defined (__BUILTIN_VA_ARG_INCR) +# elif defined __BUILTIN_VA_ARG_INCR # include <alloca.h> /* INFRINGES ON USER NAME SPACE */ -# elif defined (_AIX) +# elif defined _AIX # define YYSTACK_ALLOC __alloca -# elif defined (_MSC_VER) +# elif defined _MSC_VER # include <malloc.h> /* INFRINGES ON USER NAME SPACE */ # define alloca _alloca # else # define YYSTACK_ALLOC alloca -# if (! defined (alloca) && ! defined (_ALLOCA_H) && ! defined (_STDLIB_H) \ - && (defined (__STDC__) || defined (__cplusplus))) +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && ]b4_c_modern[ # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ # ifndef _STDLIB_H # define _STDLIB_H 1 @@ -275,14 +324,14 @@ b4_syncline([@oline@], [@ofile@])[ # endif # ifdef YYSTACK_ALLOC - /* Pacify GCC's `empty if-body' warning. */ -# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) # ifndef YYSTACK_ALLOC_MAXIMUM /* The OS might guarantee only one guard page at the bottom of the stack, and a page size can be as small as 4096 bytes. So we cannot safely invoke alloca (N) if N exceeds 4096. Use a slightly smaller number to allow for a few compiler-allocated temporary stack slots. */ -# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ # endif # else # define YYSTACK_ALLOC YYMALLOC @@ -290,41 +339,41 @@ b4_syncline([@oline@], [@ofile@])[ # ifndef YYSTACK_ALLOC_MAXIMUM # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM # endif -# ifdef __cplusplus -extern "C" { +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif # endif # ifndef YYMALLOC # define YYMALLOC malloc -# if (! defined (malloc) && ! defined (_STDLIB_H) \ - && (defined (__STDC__) || defined (__cplusplus))) +# if ! defined malloc && ! defined _STDLIB_H && ]b4_c_modern[ void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ # endif # endif # ifndef YYFREE # define YYFREE free -# if (! defined (free) && ! defined (_STDLIB_H) \ - && (defined (__STDC__) || defined (__cplusplus))) +# if ! defined free && ! defined _STDLIB_H && ]b4_c_modern[ void free (void *); /* INFRINGES ON USER NAME SPACE */ # endif # endif -# ifdef __cplusplus -} -# endif # endif -#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ -#if (! defined (yyoverflow) \ - && (! defined (__cplusplus) \ - || (]b4_location_if([[defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \ - && ]])[defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL))) +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (]b4_locations_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \ + && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) /* A type that is properly aligned for any stack member. */ union yyalloc { - short int yyss; + yytype_int16 yyss; YYSTYPE yyvs; - ]b4_location_if([ YYLTYPE yyls; + ]b4_locations_if([ YYLTYPE yyls; ])dnl [}; @@ -333,18 +382,18 @@ union yyalloc /* The size of an array large to enough to hold all stacks, each with N elements. */ -]b4_location_if( +]b4_locations_if( [# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + 2 * YYSTACK_GAP_MAXIMUM)], [# define YYSTACK_BYTES(N) \ - ((N) * (sizeof (short int) + sizeof (YYSTYPE)) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + YYSTACK_GAP_MAXIMUM)])[ /* Copy COUNT objects from FROM to TO. The source and destination do not overlap. */ # ifndef YYCOPY -# if defined (__GNUC__) && 1 < __GNUC__ +# if defined __GNUC__ && 1 < __GNUC__ # define YYCOPY(To, From, Count) \ __builtin_memcpy (To, From, (Count) * sizeof (*(From))) # else @@ -355,7 +404,7 @@ union yyalloc for (yyi = 0; yyi < (Count); yyi++) \ (To)[yyi] = (From)[yyi]; \ } \ - while (0) + while (YYID (0)) # endif # endif @@ -373,28 +422,22 @@ union yyalloc yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ yyptr += yynewbytes / sizeof (*yyptr); \ } \ - while (0) + while (YYID (0)) #endif -#if defined (__STDC__) || defined (__cplusplus) - typedef signed char yysigned_char; -#else - typedef short int yysigned_char; -#endif - -/* YYFINAL -- State number of the termination state. */ +/* YYFINAL -- State number of the termination state. */ #define YYFINAL ]b4_final_state_number[ /* YYLAST -- Last index in YYTABLE. */ #define YYLAST ]b4_last[ -/* YYNTOKENS -- Number of terminals. */ +/* YYNTOKENS -- Number of terminals. */ #define YYNTOKENS ]b4_tokens_number[ -/* YYNNTS -- Number of nonterminals. */ +/* YYNNTS -- Number of nonterminals. */ #define YYNNTS ]b4_nterms_number[ -/* YYNRULES -- Number of rules. */ +/* YYNRULES -- Number of rules. */ #define YYNRULES ]b4_rules_number[ -/* YYNRULES -- Number of states. */ +/* YYNRULES -- Number of states. */ #define YYNSTATES ]b4_states_number[ /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ @@ -418,7 +461,7 @@ static const ]b4_int_type_for([b4_prhs])[ yyprhs[] = ]b4_prhs[ }; -/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ static const ]b4_int_type_for([b4_rhs])[ yyrhs[] = { ]b4_rhs[ @@ -433,7 +476,7 @@ static const ]b4_int_type_for([b4_rline])[ yyrline[] = #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. - First, the terminals, then, starting at YYNTOKENS, nonterminals. */ + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ static const char *const yytname[] = { ]b4_tname[ @@ -469,7 +512,7 @@ static const ]b4_int_type_for([b4_defact])[ yydefact[] = ]b4_defact[ }; -/* YYDEFGOTO[NTERM-NUM]. */ +/* YYDEFGOTO[NTERM-NUM]. */ static const ]b4_int_type_for([b4_defgoto])[ yydefgoto[] = { ]b4_defgoto[ @@ -536,7 +579,7 @@ do \ yychar = (Token); \ yylval = (Value); \ yytoken = YYTRANSLATE (yychar); \ - YYPOPSTACK; \ + YYPOPSTACK (1); \ goto yybackup; \ } \ else \ @@ -544,7 +587,7 @@ do \ yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \ YYERROR; \ } \ -while (0) +while (YYID (0)) #define YYTERROR 1 @@ -559,7 +602,7 @@ while (0) #ifndef YYLLOC_DEFAULT # define YYLLOC_DEFAULT(Current, Rhs, N) \ do \ - if (N) \ + if (YYID (N)) \ { \ (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ @@ -573,7 +616,7 @@ while (0) (Current).first_column = (Current).last_column = \ YYRHSLOC (Rhs, 0).last_column; \ } \ - while (0) + while (YYID (0)) #endif @@ -585,8 +628,8 @@ while (0) # if YYLTYPE_IS_TRIVIAL # define YY_LOCATION_PRINT(File, Loc) \ fprintf (File, "%d.%d-%d.%d", \ - (Loc).first_line, (Loc).first_column, \ - (Loc).last_line, (Loc).last_column) + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) # else # define YY_LOCATION_PRINT(File, Loc) ((void) 0) # endif @@ -596,7 +639,7 @@ while (0) /* YYLEX -- calling `yylex' with the right arguments. */ #ifdef YYLEX_PARAM -# define YYLEX yylex (]b4_pure_if([&yylval[]b4_location_if([, &yylloc]), ])[YYLEX_PARAM) +# define YYLEX yylex (]b4_pure_if([&yylval[]b4_locations_if([, &yylloc]), ])[YYLEX_PARAM) #else # define YYLEX ]b4_c_function_call([yylex], [int], b4_lex_param)[ #endif @@ -613,18 +656,20 @@ while (0) do { \ if (yydebug) \ YYFPRINTF Args; \ -} while (0) +} while (YYID (0)) -# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ -do { \ - if (yydebug) \ - { \ - YYFPRINTF (stderr, "%s ", Title); \ - yysymprint (stderr, \ - Type, Value]b4_location_if([, Location])[); \ - YYFPRINTF (stderr, "\n"); \ - } \ -} while (0) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value]b4_locations_if([, Location])[]b4_user_args[); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + +]b4_yy_symbol_print_generate([b4_c_function_def])[ /*------------------------------------------------------------------. | yy_stack_print -- Print the state stack from its BOTTOM up to its | @@ -632,12 +677,15 @@ do { \ `------------------------------------------------------------------*/ ]b4_c_function_def([yy_stack_print], [static void], - [[short int *bottom], [bottom]], - [[short int *top], [top]])[ + [[yytype_int16 *yybottom], [yybottom]], + [[yytype_int16 *yytop], [yytop]])[ { YYFPRINTF (stderr, "Stack now"); - for (/* Nothing. */; bottom <= top; ++bottom) - YYFPRINTF (stderr, " %d", *bottom); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } YYFPRINTF (stderr, "\n"); } @@ -645,7 +693,7 @@ do { \ do { \ if (yydebug) \ yy_stack_print ((Bottom), (Top)); \ -} while (0) +} while (YYID (0)) /*------------------------------------------------. @@ -653,23 +701,33 @@ do { \ `------------------------------------------------*/ ]b4_c_function_def([yy_reduce_print], [static void], - [[int yyrule], [yyrule]])[ + [[YYSTYPE *yyvsp], [yyvsp]], + b4_locations_if([[[YYLTYPE *yylsp], [yylsp]], + ])[[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [, + ])b4_parse_param)[ { + int yynrhs = yyr2[yyrule]; int yyi; unsigned long int yylno = yyrline[yyrule]; - YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu), ", - yyrule - 1, yylno); - /* Print the symbols being reduced, and their result. */ - for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) - YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); - YYFPRINTF (stderr, "-> %s\n", yytname[yyr1[yyrule]]); + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + 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[); + YYFPRINTF (stderr, "\n"); + } } # define YY_REDUCE_PRINT(Rule) \ do { \ if (yydebug) \ - yy_reduce_print (Rule); \ -} while (0) + yy_reduce_print (yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \ +} while (YYID (0)) /* Nonzero means print parse trace. It is left uninitialized so that multiple parsers can coexist. */ @@ -703,42 +761,29 @@ int yydebug; #if YYERROR_VERBOSE # ifndef yystrlen -# if defined (__GLIBC__) && defined (_STRING_H) +# if defined __GLIBC__ && defined _STRING_H # define yystrlen strlen # else /* Return the length of YYSTR. */ -static YYSIZE_T -# if defined (__STDC__) || defined (__cplusplus) -yystrlen (const char *yystr) -# else -yystrlen (yystr) - const char *yystr; -# endif +]b4_c_function_def([yystrlen], [static YYSIZE_T], + [[const char *yystr], [yystr]])[ { - const char *yys = yystr; - - while (*yys++ != '\0') + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) continue; - - return yys - yystr - 1; + return yylen; } # endif # endif # ifndef yystpcpy -# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE # define yystpcpy stpcpy # else /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in YYDEST. */ -static char * -# if defined (__STDC__) || defined (__cplusplus) -yystpcpy (char *yydest, const char *yysrc) -# else -yystpcpy (yydest, yysrc) - char *yydest; - const char *yysrc; -# endif +]b4_c_function_def([yystpcpy], [static char *], + [[char *yydest], [yydest]], [[const char *yysrc], [yysrc]])[ { char *yyd = yydest; const char *yys = yysrc; @@ -764,7 +809,7 @@ yytnamerr (char *yyres, const char *yystr) { if (*yystr == '"') { - size_t yyn = 0; + YYSIZE_T yyn = 0; char const *yyp = yystr; for (;;) @@ -811,7 +856,7 @@ yysyntax_error (char *yyresult, int yystate, int yychar) { int yyn = yypact[yystate]; - if (! (YYPACT_NINF < yyn && yyn < YYLAST)) + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) return 0; else { @@ -826,7 +871,7 @@ yysyntax_error (char *yyresult, int yystate, int yychar) # if 0 /* This is so xgettext sees the translatable formats that are - constructed on the fly. */ + constructed on the fly. */ YY_("syntax error, unexpected %s"); YY_("syntax error, unexpected %s, expecting %s"); YY_("syntax error, unexpected %s, expecting %s or %s"); @@ -839,17 +884,17 @@ yysyntax_error (char *yyresult, int yystate, int yychar) static char const yyexpecting[] = ", expecting %s"; static char const yyor[] = " or %s"; char yyformat[sizeof yyunexpected - + sizeof yyexpecting - 1 - + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) - * (sizeof yyor - 1))]; + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; char const *yyprefix = yyexpecting; /* Start YYX at -YYN if negative to avoid negative indexes in - YYCHECK. */ + YYCHECK. */ int yyxbegin = yyn < 0 ? -yyn : 0; /* Stay within bounds of both yycheck and yytname. */ - int yychecklim = YYLAST - yyn; + int yychecklim = YYLAST - yyn + 1; int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; int yycount = 1; @@ -857,26 +902,26 @@ yysyntax_error (char *yyresult, int yystate, int yychar) yyfmt = yystpcpy (yyformat, yyunexpected); for (yyx = yyxbegin; yyx < yyxend; ++yyx) - if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) - { - if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) - { - yycount = 1; - yysize = yysize0; - yyformat[sizeof yyunexpected - 1] = '\0'; - break; - } - yyarg[yycount++] = yytname[yyx]; - yysize1 = yysize + yytnamerr (0, yytname[yyx]); - yysize_overflow |= yysize1 < yysize; - yysize = yysize1; - yyfmt = yystpcpy (yyfmt, yyprefix); - yyprefix = yyor; - } + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } yyf = YY_(yyformat); yysize1 = yysize + yystrlen (yyf); - yysize_overflow |= yysize1 < yysize; + yysize_overflow |= (yysize1 < yysize); yysize = yysize1; if (yysize_overflow) @@ -884,71 +929,65 @@ yysyntax_error (char *yyresult, int yystate, int yychar) if (yyresult) { - /* Avoid sprintf, as that infringes on the user's name space. - Don't have undefined behavior even if the translation - produced a string with the wrong number of "%s"s. */ - char *yyp = yyresult; - int yyi = 0; - while ((*yyp = *yyf)) - { - if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) - { - yyp += yytnamerr (yyp, yyarg[yyi++]); - yyf += 2; - } - else - { - yyp++; - yyf++; - } - } - } + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } return yysize; } } #endif /* YYERROR_VERBOSE */ -#if YYDEBUG -]b4_yysymprint_generate([b4_c_function_def])[ -#endif /* ! YYDEBUG */ -]b4_yydestruct_generate([b4_c_function_def]) +]b4_yydestruct_generate([b4_c_function_def])[ /* Prevent warnings from -Wmissing-prototypes. */ #ifdef YYPARSE_PARAM -# if defined (__STDC__) || defined (__cplusplus) -int yyparse (void *YYPARSE_PARAM); -# else -int yyparse (); -# endif +]b4_c_function_decl([yyparse], [int], + [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])[ #else /* ! YYPARSE_PARAM */ -b4_c_function_decl([yyparse], [int], b4_parse_param) +]b4_c_function_decl([yyparse], [int], b4_parse_param)[ #endif /* ! YYPARSE_PARAM */ -m4_divert_push([KILL])# ======================== M4 code. +]m4_divert_push([KILL])# ======================== M4 code. # b4_declare_parser_variables # --------------------------- # Declare the variables that are global, or local to YYPARSE if # pure-parser. m4_define([b4_declare_parser_variables], -[/* The look-ahead symbol. */ +[/* The lookahead symbol. */ int yychar; -/* The semantic value of the look-ahead symbol. */ +/* The semantic value of the lookahead symbol. */ YYSTYPE yylval; /* Number of syntax errors so far. */ -int yynerrs;b4_location_if([ -/* Location data for the look-ahead symbol. */ +int yynerrs;b4_locations_if([ +/* Location data for the lookahead symbol. */ YYLTYPE yylloc;]) ]) m4_divert_pop([KILL])dnl# ====================== End of M4 code. b4_pure_if([], - [b4_declare_parser_variables]) + [b4_declare_parser_variables]) /*----------. @@ -956,12 +995,7 @@ b4_pure_if([], `----------*/ #ifdef YYPARSE_PARAM -# if defined (__STDC__) || defined (__cplusplus) -int yyparse (void *YYPARSE_PARAM) -# else -int yyparse (YYPARSE_PARAM) - void *YYPARSE_PARAM; -# endif +b4_c_function_def([yyparse], [int], [[void *YYPARSE_PARAM], [YYPARSE_PARAM]]) #else /* ! YYPARSE_PARAM */ b4_c_function_def([yyparse], [int], b4_parse_param) #endif @@ -972,7 +1006,7 @@ b4_c_function_def([yyparse], [int], b4_parse_param) int yyresult; /* Number of tokens to shift before error messages enabled. */ int yyerrstatus; - /* Look-ahead token as an internal (translated) token number. */ + /* Lookahead token as an internal (translated) token number. */ int yytoken = 0; #if YYERROR_VERBOSE /* Buffer for error messages, and its allocated size. */ @@ -990,35 +1024,35 @@ b4_c_function_def([yyparse], [int], b4_parse_param) to reallocate them elsewhere. */ /* The state stack. */ - short int yyssa[YYINITDEPTH]; - short int *yyss = yyssa; - short int *yyssp; + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss = yyssa; + yytype_int16 *yyssp; /* The semantic value stack. */ YYSTYPE yyvsa[YYINITDEPTH]; YYSTYPE *yyvs = yyvsa; YYSTYPE *yyvsp; -]b4_location_if( +]b4_locations_if( [[ /* The location stack. */ YYLTYPE yylsa[YYINITDEPTH]; YYLTYPE *yyls = yylsa; YYLTYPE *yylsp; - /* The locations where the error started and ended. */ + /* The locations where the error started and ended. */ YYLTYPE yyerror_range[2];]])[ -#define YYPOPSTACK (yyvsp--, yyssp--]b4_location_if([, yylsp--])[) +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)]b4_locations_if([, yylsp -= (N)])[) YYSIZE_T yystacksize = YYINITDEPTH; /* The variables used to return semantic value and location from the action routines. */ YYSTYPE yyval; -]b4_location_if([ YYLTYPE yyloc;])[ +]b4_locations_if([ YYLTYPE yyloc;])[ - /* When reducing, the number of symbols on the RHS of the reduced - rule. */ - int yylen; + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; YYDPRINTF ((stderr, "Starting parse\n")); @@ -1034,23 +1068,20 @@ b4_c_function_def([yyparse], [int], b4_parse_param) yyssp = yyss; yyvsp = yyvs; -]b4_location_if([[ yylsp = yyls; +]b4_locations_if([[ yylsp = yyls; #if YYLTYPE_IS_TRIVIAL /* Initialize the default location before parsing starts. */ - yylloc.first_line = yylloc.last_line = 1; - yylloc.first_column = yylloc.last_column = 0; + yylloc.first_line = yylloc.last_line = ]b4_location_initial_line[; + yylloc.first_column = yylloc.last_column = ]b4_location_initial_column[; #endif ]]) m4_ifdef([b4_initial_action], [ m4_pushdef([b4_at_dollar], [m4_define([b4_at_dollar_used])yylloc])dnl m4_pushdef([b4_dollar_dollar], [m4_define([b4_dollar_dollar_used])yylval])dnl - /* User initialization code. */ -b4_initial_action + /* User initialization code. */ + b4_user_initial_action m4_popdef([b4_dollar_dollar])dnl -m4_popdef([b4_at_dollar])dnl -/* Line __line__ of yacc.c. */ -b4_syncline([@oline@], [@ofile@]) -])dnl +m4_popdef([b4_at_dollar])])dnl m4_ifdef([b4_dollar_dollar_used],[[ yyvsp[0] = yylval; ]])dnl m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; @@ -1062,8 +1093,7 @@ m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; `------------------------------------------------------------*/ yynewstate: /* In all cases, when you get here, the value and location stacks - have just been pushed. so pushing a state here evens the stacks. - */ + have just been pushed. So pushing a state here evens the stacks. */ yyssp++; yysetstate: @@ -1076,12 +1106,12 @@ m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; #ifdef yyoverflow { - /* Give user a chance to reallocate the stack. Use copies of + /* Give user a chance to reallocate the stack. Use copies of these so that the &'s don't force the real ones into memory. */ YYSTYPE *yyvs1 = yyvs; - short int *yyss1 = yyss; -]b4_location_if([ YYLTYPE *yyls1 = yyls;])[ + yytype_int16 *yyss1 = yyss; +]b4_locations_if([ YYLTYPE *yyls1 = yyls;])[ /* Each stack pointer address is followed by the size of the data in use in that stack, in bytes. This used to be a @@ -1090,9 +1120,9 @@ m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; yyoverflow (YY_("memory exhausted"), &yyss1, yysize * sizeof (*yyssp), &yyvs1, yysize * sizeof (*yyvsp), -]b4_location_if([ &yyls1, yysize * sizeof (*yylsp),])[ +]b4_locations_if([ &yyls1, yysize * sizeof (*yylsp),])[ &yystacksize); -]b4_location_if([ yyls = yyls1;])[ +]b4_locations_if([ yyls = yyls1;])[ yyss = yyss1; yyvs = yyvs1; } @@ -1108,14 +1138,14 @@ m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; yystacksize = YYMAXDEPTH; { - short int *yyss1 = yyss; + yytype_int16 *yyss1 = yyss; union yyalloc *yyptr = (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); if (! yyptr) goto yyexhaustedlab; YYSTACK_RELOCATE (yyss); YYSTACK_RELOCATE (yyvs); -]b4_location_if([ YYSTACK_RELOCATE (yyls);])[ +]b4_locations_if([ YYSTACK_RELOCATE (yyls);])[ # undef YYSTACK_RELOCATE if (yyss1 != yyssa) YYSTACK_FREE (yyss1); @@ -1125,7 +1155,7 @@ m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; yyssp = yyss + yysize - 1; yyvsp = yyvs + yysize - 1; -]b4_location_if([ yylsp = yyls + yysize - 1;])[ +]b4_locations_if([ yylsp = yyls + yysize - 1;])[ YYDPRINTF ((stderr, "Stack size increased to %lu\n", (unsigned long int) yystacksize)); @@ -1136,6 +1166,9 @@ m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + if (yystate == YYFINAL) + YYACCEPT; + goto yybackup; /*-----------. @@ -1143,19 +1176,17 @@ m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; `-----------*/ yybackup: -/* Do appropriate processing given the current state. */ -/* Read a look-ahead token if we need one and don't already have one. */ -/* yyresume: */ - - /* First try to decide what to do without reference to look-ahead token. */ + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + /* First try to decide what to do without reference to lookahead token. */ yyn = yypact[yystate]; if (yyn == YYPACT_NINF) goto yydefault; - /* Not known => get a look-ahead token if don't already have one. */ + /* Not known => get a lookahead token if don't already have one. */ - /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */ + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ if (yychar == YYEMPTY) { YYDPRINTF ((stderr, "Reading a token: ")); @@ -1187,25 +1218,20 @@ yybackup: goto yyreduce; } - if (yyn == YYFINAL) - YYACCEPT; - - /* Shift the look-ahead token. */ - YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); - - /* Discard the token being shifted unless it is eof. */ - if (yychar != YYEOF) - yychar = YYEMPTY; - - *++yyvsp = yylval; -]b4_location_if([ *++yylsp = yylloc;])[ - /* Count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + yystate = yyn; + *++yyvsp = yylval; +]b4_locations_if([ *++yylsp = yylloc;])[ goto yynewstate; @@ -1236,27 +1262,23 @@ yyreduce: GCC warning that YYVAL may be used uninitialized. */ yyval = yyvsp[1-yylen]; -]b4_location_if( -[[ /* Default location. */ - YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen);]])[ +]b4_locations_if( +[[ /* Default location. */ + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);]])[ YY_REDUCE_PRINT (yyn); switch (yyn) - ]{ - b4_actions + { + ]b4_user_actions[ default: break; } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); -/* Line __line__ of yacc.c. */ -b4_syncline([@oline@], [@ofile@]) - -[ yyvsp -= yylen; - yyssp -= yylen; -]b4_location_if([ yylsp -= yylen;])[ - + YYPOPSTACK (yylen); + yylen = 0; YY_STACK_PRINT (yyss, yyssp); *++yyvsp = yyval; -]b4_location_if([ *++yylsp = yyloc;])[ +]b4_locations_if([ *++yylsp = yyloc;])[ /* Now `shift' the result of the reduction. Determine what state that goes to, based on the state we popped back to and the rule @@ -1318,27 +1340,28 @@ yyerrlab: #endif } -]b4_location_if([[ yyerror_range[0] = yylloc;]])[ +]b4_locations_if([[ yyerror_range[0] = yylloc;]])[ if (yyerrstatus == 3) { - /* If just tried and failed to reuse look-ahead token after an + /* If just tried and failed to reuse lookahead token after an error, discard it. */ if (yychar <= YYEOF) - { + { /* Return failure if at end of input. */ if (yychar == YYEOF) YYABORT; - } + } else { - yydestruct ("Error: discarding", yytoken, &yylval]b4_location_if([, &yylloc])[); + yydestruct ("Error: discarding", + yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[); yychar = YYEMPTY; } } - /* Else will try to reuse look-ahead token after shifting the error + /* Else will try to reuse lookahead token after shifting the error token. */ goto yyerrlab1; @@ -1351,13 +1374,15 @@ yyerrorlab: /* Pacify compilers like GCC when the user code never invokes YYERROR and the label yyerrorlab therefore never appears in user code. */ - if (0) + if (/*CONSTCOND*/ 0) goto yyerrorlab; -]b4_location_if([[ yyerror_range[0] = yylsp[1-yylen]; - yylsp -= yylen; - ]])[yyvsp -= yylen; - yyssp -= yylen; +]b4_locations_if([[ yyerror_range[0] = yylsp[1-yylen]; +]])[ /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); yystate = *yyssp; goto yyerrlab1; @@ -1386,25 +1411,23 @@ yyerrlab1: if (yyssp == yyss) YYABORT; -]b4_location_if([[ yyerror_range[0] = *yylsp;]])[ - yydestruct ("Error: popping", yystos[yystate], yyvsp]b4_location_if([, yylsp])[); - YYPOPSTACK; +]b4_locations_if([[ yyerror_range[0] = *yylsp;]])[ + yydestruct ("Error: popping", + yystos[yystate], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[); + YYPOPSTACK (1); yystate = *yyssp; YY_STACK_PRINT (yyss, yyssp); } - if (yyn == YYFINAL) - YYACCEPT; - *++yyvsp = yylval; -]b4_location_if([[ +]b4_locations_if([[ yyerror_range[1] = yylloc; /* Using YYLLOC is tempting, but would change the location of - the look-ahead. YYLOC is available though. */ - YYLLOC_DEFAULT (yyloc, yyerror_range - 1, 2); + the lookahead. YYLOC is available though. */ + YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2); *++yylsp = yyloc;]])[ - /* Shift the error token. */ + /* Shift the error token. */ YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); yystate = yyn; @@ -1436,14 +1459,18 @@ yyexhaustedlab: #endif yyreturn: - if (yychar != YYEOF && yychar != YYEMPTY) + if (yychar != YYEMPTY) yydestruct ("Cleanup: discarding lookahead", - yytoken, &yylval]b4_location_if([, &yylloc])[); + yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); while (yyssp != yyss) { yydestruct ("Cleanup: popping", - yystos[*yyssp], yyvsp]b4_location_if([, yylsp])[); - YYPOPSTACK; + yystos[*yyssp], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[); + YYPOPSTACK (1); } #ifndef yyoverflow if (yyss != yyssa) @@ -1453,40 +1480,40 @@ yyreturn: if (yymsg != yymsgbuf) YYSTACK_FREE (yymsg); #endif - return yyresult; + /* Make sure YYID is used. */ + return YYID (yyresult); ]} b4_epilogue -m4_if(b4_defines_flag, 0, [], -[@output @output_header_name@ -b4_copyright([Skeleton parser for Yacc-like parsing with Bison], - [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005]) +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]) -/* As a special exception, when this file is copied by Bison into a - Bison output file, you may use that output file without restriction. - This special exception was added by the Free Software Foundation - in version 1.24 of Bison. */ +b4_percent_code_get([[requires]])[]dnl b4_token_enums_defines(b4_tokens) -#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) -m4_ifdef([b4_stype], -[b4_syncline([b4_stype_line], [b4_file_name]) -typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE; -/* Line __line__ of yacc.c. */ -b4_syncline([@oline@], [@ofile@])], -[typedef int YYSTYPE;]) +[#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +]m4_ifdef([b4_stype], +[[typedef union ]b4_union_name[ +{ +]b4_user_stype[ +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1]], +[m4_if(b4_tag_seen_flag, 0, +[[typedef int YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1]])])[ # define yystype YYSTYPE /* obsolescent; will be withdrawn */ # define YYSTYPE_IS_DECLARED 1 -# define YYSTYPE_IS_TRIVIAL 1 #endif -b4_pure_if([], +]b4_pure_if([], [extern YYSTYPE b4_prefix[]lval;]) -b4_location_if( -[#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED) +b4_locations_if( +[#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED typedef struct YYLTYPE { int first_line; @@ -1499,7 +1526,12 @@ typedef struct YYLTYPE # define YYLTYPE_IS_TRIVIAL 1 #endif -m4_if(b4_pure, [0], -[extern YYLTYPE b4_prefix[]lloc;]) -]) -]) +]b4_pure_if([], + [extern YYLTYPE b4_prefix[]lloc;]) +)dnl b4_locations_if + +b4_percent_code_get([[provides]]) +])dnl b4_defines_if +m4_divert_pop(0) + +])dnl b4_use_push_for_pull_if