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Diffstat (limited to 'cpp/src/FreezeScript/Grammar.cpp')
| -rw-r--r-- | cpp/src/FreezeScript/Grammar.cpp | 1674 |
1 files changed, 1674 insertions, 0 deletions
diff --git a/cpp/src/FreezeScript/Grammar.cpp b/cpp/src/FreezeScript/Grammar.cpp new file mode 100644 index 00000000000..44df79bb717 --- /dev/null +++ b/cpp/src/FreezeScript/Grammar.cpp @@ -0,0 +1,1674 @@ +/* A Bison parser, made by GNU Bison 1.875c. */ + +/* Skeleton parser for Yacc-like parsing with Bison, + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 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 + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program 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 this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* 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. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 1 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + +/* If NAME_PREFIX is specified substitute the variables and functions + names. */ +#define yyparse freeze_script_parse +#define yylex freeze_script_lex +#define yyerror freeze_script_error +#define yylval freeze_script_lval +#define yychar freeze_script_char +#define yydebug freeze_script_debug +#define yynerrs freeze_script_nerrs + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + TOK_AND = 258, + TOK_OR = 259, + TOK_NOT = 260, + TOK_ADD = 261, + TOK_SUB = 262, + TOK_MUL = 263, + TOK_DIV = 264, + TOK_MOD = 265, + TOK_LPAREN = 266, + TOK_RPAREN = 267, + TOK_LBRACKET = 268, + TOK_RBRACKET = 269, + TOK_LESS_THAN = 270, + TOK_GREATER_THAN = 271, + TOK_LESS_EQUAL = 272, + TOK_GREATER_EQUAL = 273, + TOK_EQUAL = 274, + TOK_NEQ = 275, + TOK_TRUE = 276, + TOK_FALSE = 277, + TOK_NIL = 278, + TOK_SCOPE_DELIMITER = 279, + TOK_IDENTIFIER = 280, + TOK_STRING_LITERAL = 281, + TOK_INTEGER_LITERAL = 282, + TOK_FLOATING_POINT_LITERAL = 283, + UNARY_OP = 284 + }; +#endif +#define TOK_AND 258 +#define TOK_OR 259 +#define TOK_NOT 260 +#define TOK_ADD 261 +#define TOK_SUB 262 +#define TOK_MUL 263 +#define TOK_DIV 264 +#define TOK_MOD 265 +#define TOK_LPAREN 266 +#define TOK_RPAREN 267 +#define TOK_LBRACKET 268 +#define TOK_RBRACKET 269 +#define TOK_LESS_THAN 270 +#define TOK_GREATER_THAN 271 +#define TOK_LESS_EQUAL 272 +#define TOK_GREATER_EQUAL 273 +#define TOK_EQUAL 274 +#define TOK_NEQ 275 +#define TOK_TRUE 276 +#define TOK_FALSE 277 +#define TOK_NIL 278 +#define TOK_SCOPE_DELIMITER 279 +#define TOK_IDENTIFIER 280 +#define TOK_STRING_LITERAL 281 +#define TOK_INTEGER_LITERAL 282 +#define TOK_FLOATING_POINT_LITERAL 283 +#define UNARY_OP 284 + + + + +/* Copy the first part of user declarations. */ +#line 1 "../FreezeScript/Grammar.y" + + +// ********************************************************************** +// +// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved. +// +// This copy of Ice is licensed to you under the terms described in the +// ICE_LICENSE file included in this distribution. +// +// ********************************************************************** + +#include <FreezeScript/GrammarUtil.h> + +#ifdef _MSC_VER +// I get these warnings from some bison versions: +// warning C4102: 'yyoverflowlab' : unreferenced label +# pragma warning( disable : 4102 ) +// warning C4065: switch statement contains 'default' but no 'case' labels +# pragma warning( disable : 4065 ) +#endif + +using namespace std; +using namespace FreezeScript; + +void +freeze_script_error(const char* s) +{ + // yacc and recent versions of Bison use "syntax error" instead + // of "parse error". + + if(strcmp(s, "parse error") == 0) + { + parseErrorReporter->expressionSyntaxError("syntax error"); + } + else + { + parseErrorReporter->expressionSyntaxError(s); + } +} + + + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 1 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) +typedef int YYSTYPE; +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +# define YYSTYPE_IS_TRIVIAL 1 +#endif + + + +/* Copy the second part of user declarations. */ + + +/* Line 214 of yacc.c. */ +#line 196 "Grammar.tab.c" + +#if ! defined (yyoverflow) || YYERROR_VERBOSE + +# ifndef YYFREE +# define YYFREE free +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# endif + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# define YYSTACK_ALLOC alloca +# endif +# else +# if defined (alloca) || defined (_ALLOCA_H) +# define YYSTACK_ALLOC alloca +# else +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# else +# if defined (__STDC__) || defined (__cplusplus) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# endif +#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */ + + +#if (! defined (yyoverflow) \ + && (! defined (__cplusplus) \ + || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + short yyss; + YYSTYPE yyvs; + }; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (short) + 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__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + register YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (0) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack, Stack, yysize); \ + Stack = &yyptr->Stack; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (0) + +#endif + +#if defined (__STDC__) || defined (__cplusplus) + typedef signed char yysigned_char; +#else + typedef short yysigned_char; +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 24 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 111 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 32 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 9 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 39 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 65 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 284 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const unsigned char yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 31, 2, 30, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 28, 29 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const unsigned char yyprhs[] = +{ + 0, 0, 3, 5, 7, 11, 15, 19, 23, 27, + 31, 35, 39, 43, 47, 51, 55, 59, 61, 65, + 68, 71, 73, 75, 77, 79, 81, 83, 85, 89, + 91, 93, 98, 102, 104, 109, 113, 115, 116, 120 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yysigned_char yyrhs[] = +{ + 33, 0, -1, 34, -1, 35, -1, 35, 15, 35, + -1, 35, 16, 35, -1, 35, 17, 35, -1, 35, + 18, 35, -1, 35, 19, 35, -1, 35, 20, 35, + -1, 35, 4, 35, -1, 35, 3, 35, -1, 35, + 8, 35, -1, 35, 9, 35, -1, 35, 10, 35, + -1, 35, 6, 35, -1, 35, 7, 35, -1, 36, + -1, 11, 34, 12, -1, 7, 36, -1, 5, 36, + -1, 27, -1, 28, -1, 26, -1, 21, -1, 22, + -1, 23, -1, 37, -1, 37, 30, 38, -1, 38, + -1, 40, -1, 37, 13, 34, 14, -1, 37, 30, + 25, -1, 25, -1, 25, 11, 39, 12, -1, 39, + 31, 34, -1, 34, -1, -1, 40, 24, 25, -1, + 24, 25, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const unsigned short yyrline[] = +{ + 0, 84, 84, 93, 102, 106, 110, 114, 118, 122, + 126, 130, 134, 138, 142, 146, 150, 154, 163, 167, + 171, 175, 181, 187, 193, 197, 201, 205, 209, 218, + 222, 233, 240, 249, 260, 273, 280, 287, 295, 304 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE +/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "TOK_AND", "TOK_OR", "TOK_NOT", + "TOK_ADD", "TOK_SUB", "TOK_MUL", "TOK_DIV", "TOK_MOD", "TOK_LPAREN", + "TOK_RPAREN", "TOK_LBRACKET", "TOK_RBRACKET", "TOK_LESS_THAN", + "TOK_GREATER_THAN", "TOK_LESS_EQUAL", "TOK_GREATER_EQUAL", "TOK_EQUAL", + "TOK_NEQ", "TOK_TRUE", "TOK_FALSE", "TOK_NIL", "TOK_SCOPE_DELIMITER", + "TOK_IDENTIFIER", "TOK_STRING_LITERAL", "TOK_INTEGER_LITERAL", + "TOK_FLOATING_POINT_LITERAL", "UNARY_OP", "'.'", "','", "$accept", + "start", "expr", "binary", "unary", "entity", "function", "arg_list", + "constant", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const unsigned short yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, + 46, 44 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const unsigned char yyr1[] = +{ + 0, 32, 33, 34, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 35, 36, 36, + 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, + 36, 37, 37, 37, 38, 39, 39, 39, 40, 40 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const unsigned char yyr2[] = +{ + 0, 2, 1, 1, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 1, 3, 2, + 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, + 1, 4, 3, 1, 4, 3, 1, 0, 3, 2 +}; + +/* 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 unsigned char yydefact[] = +{ + 0, 0, 0, 0, 24, 25, 26, 0, 33, 23, + 21, 22, 0, 2, 3, 17, 27, 29, 30, 20, + 19, 0, 39, 37, 1, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 18, 36, 0, 11, 10, 15, 16, 12, 13, + 14, 4, 5, 6, 7, 8, 9, 0, 32, 28, + 38, 34, 0, 31, 35 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yysigned_char yydefgoto[] = +{ + -1, 12, 13, 14, 15, 16, 17, 43, 18 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -20 +static const yysigned_char yypact[] = +{ + 0, 0, 0, 0, -20, -20, -20, -19, 1, -20, + -20, -20, 13, -20, 30, -20, -12, -20, -10, -20, + -20, 3, -20, 0, -20, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, -9, + -8, -20, -20, -2, 63, 48, -6, -6, -20, -20, + -20, 78, 78, 78, 78, 78, 78, 5, 1, -20, + -20, -20, 0, -20, -20 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yysigned_char yypgoto[] = +{ + -20, -20, -3, 74, 7, -20, -7, -20, -20 +}; + +/* 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 -1 +static const yysigned_char yytable[] = +{ + 21, 38, 29, 30, 31, 1, 22, 2, 19, 20, + 61, 3, 23, 24, 40, 41, 58, 60, 39, 63, + 42, 4, 5, 6, 7, 8, 9, 10, 11, 62, + 0, 0, 59, 25, 26, 57, 27, 28, 29, 30, + 31, 0, 0, 0, 0, 32, 33, 34, 35, 36, + 37, 25, 0, 0, 27, 28, 29, 30, 31, 64, + 0, 0, 0, 32, 33, 34, 35, 36, 37, 27, + 28, 29, 30, 31, 0, 0, 0, 0, 32, 33, + 34, 35, 36, 37, 27, 28, 29, 30, 31, 0, + 0, 0, 0, -1, -1, -1, -1, -1, -1, 44, + 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, + 55, 56 +}; + +static const yysigned_char yycheck[] = +{ + 3, 13, 8, 9, 10, 5, 25, 7, 1, 2, + 12, 11, 11, 0, 24, 12, 25, 25, 30, 14, + 23, 21, 22, 23, 24, 25, 26, 27, 28, 31, + -1, -1, 39, 3, 4, 38, 6, 7, 8, 9, + 10, -1, -1, -1, -1, 15, 16, 17, 18, 19, + 20, 3, -1, -1, 6, 7, 8, 9, 10, 62, + -1, -1, -1, 15, 16, 17, 18, 19, 20, 6, + 7, 8, 9, 10, -1, -1, -1, -1, 15, 16, + 17, 18, 19, 20, 6, 7, 8, 9, 10, -1, + -1, -1, -1, 15, 16, 17, 18, 19, 20, 25, + 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, + 36, 37 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const unsigned char yystos[] = +{ + 0, 5, 7, 11, 21, 22, 23, 24, 25, 26, + 27, 28, 33, 34, 35, 36, 37, 38, 40, 36, + 36, 34, 25, 11, 0, 3, 4, 6, 7, 8, + 9, 10, 15, 16, 17, 18, 19, 20, 13, 30, + 24, 12, 34, 39, 35, 35, 35, 35, 35, 35, + 35, 35, 35, 35, 35, 35, 35, 34, 25, 38, + 25, 12, 31, 14, 34 +}; + +#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) +# define YYSIZE_T __SIZE_TYPE__ +#endif +#if ! defined (YYSIZE_T) && defined (size_t) +# define YYSIZE_T size_t +#endif +#if ! defined (YYSIZE_T) +# if defined (__STDC__) || defined (__cplusplus) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +#endif +#if ! defined (YYSIZE_T) +# define YYSIZE_T unsigned int +#endif + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. */ + +#define YYFAIL goto yyerrlab + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror ("syntax error: cannot back up");\ + YYERROR; \ + } \ +while (0) + +#define YYTERROR 1 +#define YYERRCODE 256 + +/* YYLLOC_DEFAULT -- Compute the default location (before the actions + are run). */ + +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + ((Current).first_line = (Rhs)[1].first_line, \ + (Current).first_column = (Rhs)[1].first_column, \ + (Current).last_line = (Rhs)[N].last_line, \ + (Current).last_column = (Rhs)[N].last_column) +#endif + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, YYLEX_PARAM) +#else +# define YYLEX yylex (&yylval) +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + +# define YYDSYMPRINT(Args) \ +do { \ + if (yydebug) \ + yysymprint Args; \ +} while (0) + +# define YYDSYMPRINTF(Title, Token, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yysymprint (stderr, \ + Token, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yy_stack_print (short *bottom, short *top) +#else +static void +yy_stack_print (bottom, top) + short *bottom; + short *top; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (/* Nothing. */; bottom <= top; ++bottom) + YYFPRINTF (stderr, " %d", *bottom); + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yy_reduce_print (int yyrule) +#else +static void +yy_reduce_print (yyrule) + int yyrule; +#endif +{ + int yyi; + unsigned int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ", + 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]]); +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (Rule); \ +} while (0) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YYDSYMPRINT(Args) +# define YYDSYMPRINTF(Title, Token, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0 +# undef YYMAXDEPTH +#endif + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# 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 +{ + register const char *yys = yystr; + + while (*yys++ != '\0') + continue; + + return yys - yystr - 1; +} +# endif +# endif + +# ifndef yystpcpy +# 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 +{ + register char *yyd = yydest; + register const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +#endif /* !YYERROR_VERBOSE */ + + + +#if YYDEBUG +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep) +#else +static void +yysymprint (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + + if (yytype < YYNTOKENS) + { + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); +# ifdef YYPRINT + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif + } + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + switch (yytype) + { + default: + break; + } + YYFPRINTF (yyoutput, ")"); +} + +#endif /* ! YYDEBUG */ +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yydestruct (int yytype, YYSTYPE *yyvaluep) +#else +static void +yydestruct (yytype, yyvaluep) + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + + switch (yytype) + { + + default: + break; + } +} + + +/* Prevent warnings from -Wmissing-prototypes. */ + +#ifdef YYPARSE_PARAM +# if defined (__STDC__) || defined (__cplusplus) +int yyparse (void *YYPARSE_PARAM); +# else +int yyparse (); +# endif +#else /* ! YYPARSE_PARAM */ +#if defined (__STDC__) || defined (__cplusplus) +int yyparse (void); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + + + + + +/*----------. +| yyparse. | +`----------*/ + +#ifdef YYPARSE_PARAM +# if defined (__STDC__) || defined (__cplusplus) +int yyparse (void *YYPARSE_PARAM) +# else +int yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +# endif +#else /* ! YYPARSE_PARAM */ +#if defined (__STDC__) || defined (__cplusplus) +int +yyparse (void) +#else +int +yyparse () + +#endif +#endif +{ + /* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Number of syntax errors so far. */ +int yynerrs; + + register int yystate; + register int yyn; + int yyresult; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + /* Lookahead token as an internal (translated) token number. */ + int yytoken = 0; + + /* Three stacks and their tools: + `yyss': related to states, + `yyvs': related to semantic values, + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + short yyssa[YYINITDEPTH]; + short *yyss = yyssa; + register short *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + register YYSTYPE *yyvsp; + + + +#define YYPOPSTACK (yyvsp--, yyssp--) + + YYSIZE_T yystacksize = YYINITDEPTH; + + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + + + /* When reducing, the number of symbols on the RHS of the reduced + rule. */ + int yylen; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + + yyssp = yyss; + yyvsp = yyvs; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + 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. + */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* 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 *yyss1 = yyss; + + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow ("parser stack overflow", + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyoverflowlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyoverflowlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + short *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyoverflowlab; + YYSTACK_RELOCATE (yyss); + YYSTACK_RELOCATE (yyvs); + +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + +/* Do appropriate processing given the current state. */ +/* Read a lookahead token if we need one and don't already have one. */ +/* yyresume: */ + + /* 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 lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YYDSYMPRINTF ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + if (yyn == YYFINAL) + YYACCEPT; + + /* Shift the lookahead token. */ + YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken])); + + /* Discard the token being shifted unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + *++yyvsp = yylval; + + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + yystate = yyn; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 2: +#line 85 "../FreezeScript/Grammar.y" + { + parseResult = yyvsp[0]; +;} + break; + + case 3: +#line 94 "../FreezeScript/Grammar.y" + { + yyval = yyvsp[0]; +;} + break; + + case 4: +#line 103 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpLess, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 5: +#line 107 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpGreater, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 6: +#line 111 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpLessEq, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 7: +#line 115 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpGrEq, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 8: +#line 119 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpEq, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 9: +#line 123 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpNotEq, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 10: +#line 127 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpOr, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 11: +#line 131 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpAnd, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 12: +#line 135 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpMul, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 13: +#line 139 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpDiv, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 14: +#line 143 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpMod, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 15: +#line 147 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpAdd, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 16: +#line 151 "../FreezeScript/Grammar.y" + { + yyval = new BinaryNode(BinOpSub, parseDataFactory, yyvsp[-2], yyvsp[0]); +;} + break; + + case 17: +#line 155 "../FreezeScript/Grammar.y" + { + yyval = yyvsp[0]; +;} + break; + + case 18: +#line 164 "../FreezeScript/Grammar.y" + { + yyval = yyvsp[-1]; +;} + break; + + case 19: +#line 168 "../FreezeScript/Grammar.y" + { + yyval = new UnaryNode(UnaryOpNeg, parseDataFactory, yyvsp[0]); +;} + break; + + case 20: +#line 172 "../FreezeScript/Grammar.y" + { + yyval = new UnaryNode(UnaryOpNot, parseDataFactory, yyvsp[0]); +;} + break; + + case 21: +#line 176 "../FreezeScript/Grammar.y" + { + IntegerTokPtr intVal = IntegerTokPtr::dynamicCast(yyvsp[0]); + assert(intVal); + yyval = new DataNode(parseDataFactory->createInteger(intVal->v, true)); +;} + break; + + case 22: +#line 182 "../FreezeScript/Grammar.y" + { + FloatingTokPtr floatVal = FloatingTokPtr::dynamicCast(yyvsp[0]); + assert(floatVal); + yyval = new DataNode(parseDataFactory->createDouble(floatVal->v, true)); +;} + break; + + case 23: +#line 188 "../FreezeScript/Grammar.y" + { + StringTokPtr stringVal = StringTokPtr::dynamicCast(yyvsp[0]); + assert(stringVal); + yyval = new DataNode(parseDataFactory->createString(stringVal->v, true)); +;} + break; + + case 24: +#line 194 "../FreezeScript/Grammar.y" + { + yyval = new DataNode(parseDataFactory->createBoolean(true, true)); +;} + break; + + case 25: +#line 198 "../FreezeScript/Grammar.y" + { + yyval = new DataNode(parseDataFactory->createBoolean(false, true)); +;} + break; + + case 26: +#line 202 "../FreezeScript/Grammar.y" + { + yyval = new DataNode(parseDataFactory->createNil(true)); +;} + break; + + case 27: +#line 206 "../FreezeScript/Grammar.y" + { + yyval = yyvsp[0]; +;} + break; + + case 28: +#line 210 "../FreezeScript/Grammar.y" + { + EntityNodePtr entity = EntityNodePtr::dynamicCast(yyvsp[-2]); + assert(entity); + FunctionNodePtr func = FunctionNodePtr::dynamicCast(yyvsp[0]); + assert(func); + func->setTarget(entity); + yyval = yyvsp[0]; +;} + break; + + case 29: +#line 219 "../FreezeScript/Grammar.y" + { + yyval = yyvsp[0]; +;} + break; + + case 30: +#line 223 "../FreezeScript/Grammar.y" + { + StringTokPtr stringVal = StringTokPtr::dynamicCast(yyvsp[0]); + assert(stringVal); + yyval = new ConstantNode(stringVal->v); +;} + break; + + case 31: +#line 234 "../FreezeScript/Grammar.y" + { + EntityNodePtr entity = EntityNodePtr::dynamicCast(yyvsp[-3]); + assert(entity); + entity->append(new ElementNode(yyvsp[-1])); + yyval = yyvsp[-3]; +;} + break; + + case 32: +#line 241 "../FreezeScript/Grammar.y" + { + StringTokPtr stringVal = StringTokPtr::dynamicCast(yyvsp[0]); + assert(stringVal); + EntityNodePtr entity = EntityNodePtr::dynamicCast(yyvsp[-2]); + assert(entity); + entity->append(new IdentNode(stringVal->v)); + yyval = yyvsp[-2]; +;} + break; + + case 33: +#line 250 "../FreezeScript/Grammar.y" + { + StringTokPtr stringVal = StringTokPtr::dynamicCast(yyvsp[0]); + assert(stringVal); + yyval = new IdentNode(stringVal->v); +;} + break; + + case 34: +#line 261 "../FreezeScript/Grammar.y" + { + StringTokPtr func = StringTokPtr::dynamicCast(yyvsp[-3]); + assert(func); + NodeListTokPtr args = NodeListTokPtr::dynamicCast(yyvsp[-1]); + assert(args); + yyval = new FunctionNode(func->v, args->v); +;} + break; + + case 35: +#line 274 "../FreezeScript/Grammar.y" + { + NodeListTokPtr l = NodeListTokPtr::dynamicCast(yyvsp[-2]); + assert(l); + l->v.push_back(yyvsp[0]); + yyval = yyvsp[-2]; +;} + break; + + case 36: +#line 281 "../FreezeScript/Grammar.y" + { + NodeListTokPtr result = new NodeListTok; + result->v.push_back(yyvsp[0]); + yyval = result; +;} + break; + + case 37: +#line 287 "../FreezeScript/Grammar.y" + { + yyval = new NodeListTok; +;} + break; + + case 38: +#line 296 "../FreezeScript/Grammar.y" + { + StringTokPtr stringVal = StringTokPtr::dynamicCast(yyvsp[-2]); + assert(stringVal); + StringTokPtr idVal = StringTokPtr::dynamicCast(yyvsp[0]); + assert(idVal); + stringVal->v.append("::" + idVal->v); + yyval = yyvsp[-2]; +;} + break; + + case 39: +#line 305 "../FreezeScript/Grammar.y" + { + StringTokPtr idVal = StringTokPtr::dynamicCast(yyvsp[0]); + assert(idVal); + StringTokPtr stringVal = new StringTok; + stringVal->v.append("::" + idVal->v); + yyval = stringVal; +;} + break; + + + } + +/* Line 1000 of yacc.c. */ +#line 1448 "Grammar.tab.c" + + yyvsp -= yylen; + yyssp -= yylen; + + + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if YYERROR_VERBOSE + yyn = yypact[yystate]; + + if (YYPACT_NINF < yyn && yyn < YYLAST) + { + YYSIZE_T yysize = 0; + int yytype = YYTRANSLATE (yychar); + const char* yyprefix; + char *yymsg; + int yyx; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 0; + + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]); + yycount += 1; + if (yycount == 5) + { + yysize = 0; + break; + } + } + yysize += (sizeof ("syntax error, unexpected ") + + yystrlen (yytname[yytype])); + yymsg = (char *) YYSTACK_ALLOC (yysize); + if (yymsg != 0) + { + char *yyp = yystpcpy (yymsg, "syntax error, unexpected "); + yyp = yystpcpy (yyp, yytname[yytype]); + + if (yycount < 5) + { + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + yyp = yystpcpy (yyp, yyprefix); + yyp = yystpcpy (yyp, yytname[yyx]); + yyprefix = " or "; + } + } + yyerror (yymsg); + YYSTACK_FREE (yymsg); + } + else + yyerror ("syntax error; also virtual memory exhausted"); + } + else +#endif /* YYERROR_VERBOSE */ + yyerror ("syntax error"); + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* If at end of input, pop the error token, + then the rest of the stack, then return failure. */ + if (yychar == YYEOF) + for (;;) + { + YYPOPSTACK; + if (yyssp == yyss) + YYABORT; + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); + yydestruct (yystos[*yyssp], yyvsp); + } + } + else + { + YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); + yydestruct (yytoken, &yylval); + yychar = YYEMPTY; + + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + +#ifdef __GNUC__ + /* Pacify GCC when the user code never invokes YYERROR and the label + yyerrorlab therefore never appears in user code. */ + if (0) + goto yyerrorlab; +#endif + + yyvsp -= yylen; + yyssp -= yylen; + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); + yydestruct (yystos[yystate], yyvsp); + YYPOPSTACK; + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + if (yyn == YYFINAL) + YYACCEPT; + + YYDPRINTF ((stderr, "Shifting error token, ")); + + *++yyvsp = yylval; + + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#ifndef yyoverflow +/*----------------------------------------------. +| yyoverflowlab -- parser overflow comes here. | +`----------------------------------------------*/ +yyoverflowlab: + yyerror ("parser stack overflow"); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif + return yyresult; +} + + +#line 314 "../FreezeScript/Grammar.y" + + |