/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ /* A Bison parser, made from grammar.y by GNU Bison version 1.28 */ #ifndef YYDEBUG #define YYDEBUG 0 #endif #ifndef YYMAXDEPTH #define YYMAXDEPTH 0 #endif #include #include #include #include "nodes.h" std::list nodelist; Node *mainParse(const char *_code); void yyerror(const char *); int yylex(); void initFlex( const char *s ); void viewResult(Node *res); Node *top=0L; int Node::count = 0; #define allocValue(x,y) \ x = (char *)malloc( strlen(y) +1 ); \ strcpy(x,y) #define allocChar(x,y) \ x = (char *)malloc(2); \ sprintf(x,"%c",y) #ifdef PARSE_DEBUG #define debug printf #else int debug(const char *format, ...); #endif typedef union { char *dval; char *str; Node *ptr; } YYSTYPE; #include #ifndef __cplusplus #ifndef __STDC__ #define const #endif #endif #define YYFINAL 102 #define YYFLAG -32768 #define YYNTBASE 43 #define YYTRANSLATE(x) ((unsigned)(x) <= 285 ? yytranslate[x] : 66) static const 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, 33, 37, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 36, 2, 40, 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, 34, 2, 38, 42, 41, 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, 35, 32, 39, 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, 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, 30, 31 }; #if YYDEBUG != 0 static const short yyprhs[] = { 0, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 39, 42, 45, 48, 51, 54, 58, 60, 63, 66, 69, 72, 75, 79, 81, 85, 89, 92, 96, 99, 103, 106, 110, 114, 120, 124, 130, 132, 135, 137, 140, 143, 147, 150, 154, 157, 159, 161, 165, 167, 169, 172, 174, 176, 178, 180, 182, 184, 186, 188, 190, 192, 194 }; static const short yyrhs[] = { 4, 0, 9, 0, 10, 0, 5, 0, 11, 0, 12, 0, 20, 0, 21, 0, 7, 0, 6, 0, 23, 0, 17, 0, 18, 0, 8, 0, 32, 0, 31, 0, 22, 0, 43, 0, 44, 43, 0, 26, 33, 0, 26, 34, 0, 26, 35, 0, 26, 36, 0, 26, 32, 0, 26, 32, 32, 0, 29, 0, 27, 37, 0, 27, 38, 0, 27, 39, 0, 27, 40, 0, 27, 32, 0, 27, 32, 32, 0, 30, 0, 45, 64, 46, 0, 33, 64, 37, 0, 33, 37, 0, 35, 64, 39, 0, 35, 39, 0, 34, 64, 38, 0, 34, 38, 0, 65, 41, 65, 0, 65, 42, 65, 0, 65, 41, 49, 42, 49, 0, 14, 49, 49, 0, 35, 64, 16, 64, 39, 0, 3, 0, 54, 49, 0, 19, 0, 56, 49, 0, 13, 49, 0, 13, 50, 49, 0, 24, 49, 0, 24, 49, 49, 0, 25, 49, 0, 62, 0, 63, 0, 62, 28, 63, 0, 64, 0, 65, 0, 64, 65, 0, 49, 0, 48, 0, 47, 0, 51, 0, 52, 0, 53, 0, 57, 0, 58, 0, 55, 0, 44, 0, 59, 0, 60, 0 }; #endif #if YYDEBUG != 0 static const short yyrline[] = { 0, 59, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 79, 81, 84, 86, 87, 88, 89, 90, 91, 94, 96, 97, 98, 99, 100, 101, 104, 108, 110, 113, 115, 118, 120, 123, 125, 126, 129, 133, 138, 142, 145, 149, 153, 155, 158, 160, 163, 168, 172, 174, 177, 181, 183, 186, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198 }; #endif #if YYDEBUG != 0 || defined (YYERROR_VERBOSE) static const char * const yytname[] = { "$","error","$undefined.","ACCENT", "SMALL_GREEK","CAPITAL_GREEK","BINARY_OPERATOR","RELATION_OPERATOR","ARROW", "GENERAL_IDEN","GENERAL_OPER","BIG_SYMBOL","FUNCTION","ROOT","FRACTION","SUBSUP", "EQOVER","DELIMETER","LARGE_DELIM","DECORATION","SPACE_SYMBOL","CHARACTER","STRING", "OPERATOR","EQBEGIN","EQEND","EQLEFT","EQRIGHT","NEWLINE","LEFT_DELIM","RIGHT_DELIM", "DIGIT","'|'","'('","'['","'{'","'<'","')'","']'","'}'","'>'","'_'","'^'","Identifier", "PrimaryExpr","EQLeft","EQRight","Fence","Parenth","Block","Bracket","SubSupExpr", "FractionExpr","OverExpr","Accent","AccentExpr","Decoration","DecorationExpr", "RootExpr","BeginExpr","EndExpr","MathML","Lines","Line","ExprList","Expr", NULL }; #endif static const short yyr1[] = { 0, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, 44, 44, 45, 45, 45, 45, 45, 45, 45, 46, 46, 46, 46, 46, 46, 46, 47, 48, 48, 49, 49, 50, 50, 51, 51, 51, 52, 53, 54, 55, 56, 57, 58, 58, 59, 59, 60, 61, 62, 62, 63, 64, 64, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65 }; static const short yyr2[] = { 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 1, 2, 2, 2, 2, 2, 3, 1, 3, 3, 2, 3, 2, 3, 2, 3, 3, 5, 3, 5, 1, 2, 1, 2, 2, 3, 2, 3, 2, 1, 1, 3, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; static const short yydefact[] = { 0, 46, 1, 4, 10, 9, 14, 2, 3, 5, 6, 0, 0, 12, 13, 48, 7, 8, 17, 11, 0, 0, 0, 26, 16, 15, 0, 0, 18, 70, 0, 63, 62, 61, 64, 65, 66, 0, 69, 0, 67, 68, 71, 72, 55, 56, 58, 59, 0, 0, 50, 0, 0, 52, 54, 24, 20, 21, 22, 23, 36, 0, 38, 0, 19, 0, 47, 49, 0, 60, 0, 0, 40, 0, 0, 51, 44, 53, 25, 35, 0, 37, 0, 33, 34, 57, 61, 41, 42, 39, 0, 31, 27, 28, 29, 30, 0, 45, 32, 43, 0, 0, 0 }; static const short yydefgoto[] = { 28, 29, 30, 84, 31, 32, 33, 51, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 100, 44, 45, 46, 47 }; static const short yypact[] = { 393, -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, -30, -19,-32768,-32768,-32768,-32768,-32768,-32768,-32768, -19, -19, -3,-32768,-32768,-32768, 290, 107,-32768, 425, 393, -32768,-32768,-32768,-32768,-32768,-32768, -19,-32768, -19,-32768, -32768,-32768,-32768, -20,-32768, 393, -21, 218, 107,-32768, -19, -19, -19,-32768, -15,-32768,-32768,-32768,-32768,-32768, 325,-32768, 70,-32768, 360,-32768,-32768, 393, -21, 393, 393,-32768, 254, 144,-32768,-32768,-32768,-32768,-32768, 393, -32768, -25,-32768,-32768,-32768, -31, -21, -21,-32768, 181, -14,-32768,-32768,-32768,-32768, -19,-32768,-32768,-32768, 22, 23,-32768 }; static const short yypgoto[] = { -2, -32768,-32768,-32768,-32768,-32768, -11,-32768,-32768,-32768,-32768, -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, -33, -24, -27 }; #define YYLAST 457 static const short yytable[] = { 50, 52, 61, 63, 48, 49, 65, 91, 68, 53, 54, 96, 92, 93, 94, 95, 49, 78, 98, 69, 70, 71, 101, 102, 73, 74, 66, 64, 67, 55, 56, 57, 58, 59, 69, 85, 69, 0, 69, 0, 75, 76, 77, 87, 88, 0, 69, 69, 0, 0, 0, 0, 0, 0, 0, 0, 90, 0, 0, 86, 0, 0, 0, 69, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 99, 80, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 23, 0, 24, 25, 26, 0, 27, 0, 0, 0, 81, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 23, 0, 24, 25, 26, 0, 27, 0, 0, 0, 62, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 23, 0, 24, 25, 26, 0, 27, 0, 0, 0, 81, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 23, 0, 24, 25, 26, 0, 27, 0, 0, 0, 97, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 23, 0, 24, 25, 26, 0, 27, 0, 0, 72, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 23, 0, 24, 25, 26, 0, 27, 0, 0, 89, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 23, 0, 24, 25, 26, 0, 27, 0, 60, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 23, 0, 24, 25, 26, 0, 27, 0, 79, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 82, 0, 23, 83, 24, 25, 26, 0, 27, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 0, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 0, 0, 23, 0, 24, 25, 26, 0, 27, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0, 0, 0, 0, 13, 14, 0, 16, 17, 18, 19, 0, 0, 0, 0, 0, 0, 0, 24, 25 }; static const short yycheck[] = { 11, 12, 26, 27, 34, 35, 30, 32, 28, 20, 21, 42, 37, 38, 39, 40, 35, 32, 32, 46, 41, 42, 0, 0, 48, 49, 37, 29, 39, 32, 33, 34, 35, 36, 61, 68, 63, -1, 65, -1, 51, 52, 53, 70, 71, -1, 73, 74, -1, -1, -1, -1, -1, -1, -1, -1, 80, -1, -1, 70, -1, -1, -1, 90, -1, -1, -1, -1, -1, -1, -1, -1, -1, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 96, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, -1, -1, 29, -1, 31, 32, 33, -1, 35, -1, -1, -1, 39, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, -1, -1, 29, -1, 31, 32, 33, -1, 35, -1, -1, -1, 39, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, -1, -1, 29, -1, 31, 32, 33, -1, 35, -1, -1, -1, 39, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, -1, -1, 29, -1, 31, 32, 33, -1, 35, -1, -1, -1, 39, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, -1, -1, 29, -1, 31, 32, 33, -1, 35, -1, -1, 38, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, -1, -1, 29, -1, 31, 32, 33, -1, 35, -1, -1, 38, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, -1, -1, 29, -1, 31, 32, 33, -1, 35, -1, 37, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, -1, -1, 29, -1, 31, 32, 33, -1, 35, -1, 37, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, -1, 29, 30, 31, 32, 33, -1, 35, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, -1, -1, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, -1, -1, 29, -1, 31, 32, 33, -1, 35, 4, 5, 6, 7, 8, 9, 10, 11, 12, -1, -1, -1, -1, 17, 18, -1, 20, 21, 22, 23, -1, -1, -1, -1, -1, -1, -1, 31, 32 }; /* This file comes from bison-1.28. */ /* Skeleton output parser for bison, Copyright (C) 1984, 1989, 1990 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. */ /* This is the parser code that is written into each bison parser when the %semantic_parser declaration is not specified in the grammar. It was written by Richard Stallman by simplifying the hairy parser used when %semantic_parser is specified. */ #ifndef YYSTACK_USE_ALLOCA #ifdef alloca #define YYSTACK_USE_ALLOCA #else /* alloca not defined */ #ifdef __GNUC__ #define YYSTACK_USE_ALLOCA #define alloca __builtin_alloca #else /* not GNU C. */ #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386)) #define YYSTACK_USE_ALLOCA #include #else /* not sparc */ #if defined(_AIX) #pragma alloca #define YYSTACK_USE_ALLOCA #endif /* not _AIX */ #endif /* not sparc */ #endif /* not GNU C */ #endif /* alloca not defined */ #endif /* YYSTACK_USE_ALLOCA not defined */ #ifdef YYSTACK_USE_ALLOCA #define YYSTACK_ALLOC alloca #else #define YYSTACK_ALLOC malloc #endif /* Note: there must be only one dollar sign in this file. It is replaced by the list of actions, each action as one case of the switch. */ #define YYEMPTY -2 #define YYEOF 0 #define YYACCEPT goto yyacceptlab #define YYABORT goto yyabortlab #define YYTERROR 1 #ifndef YYPURE #define YYLEX yylex() #endif #ifdef YYPURE #ifdef YYLSP_NEEDED #ifdef YYLEX_PARAM #define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM) #else #define YYLEX yylex(&yylval, &yylloc) #endif #else /* not YYLSP_NEEDED */ #ifdef YYLEX_PARAM #define YYLEX yylex(&yylval, YYLEX_PARAM) #else #define YYLEX yylex(&yylval) #endif #endif /* not YYLSP_NEEDED */ #endif /* If nonreentrant, generate the variables here */ #ifndef YYPURE int yychar; /* the lookahead symbol */ YYSTYPE yylval; /* the semantic value of the */ /* lookahead symbol */ #ifdef YYLSP_NEEDED YYLTYPE yylloc; /* location data for the lookahead */ /* symbol */ #endif int yynerrs; /* number of parse errors so far */ #endif /* not YYPURE */ #if YYDEBUG != 0 int yydebug; /* nonzero means print parse trace */ /* Since this is uninitialized, it does not stop multiple parsers from coexisting. */ #endif /* YYINITDEPTH indicates the initial size of the parser's stacks */ #ifndef YYINITDEPTH #define YYINITDEPTH 200 #endif /* YYMAXDEPTH is the maximum size the stacks can grow to (effective only if the built-in stack extension method is used). */ #if YYMAXDEPTH == 0 #undef YYMAXDEPTH #endif #ifndef YYMAXDEPTH #define YYMAXDEPTH 10000 #endif /* Define __yy_memcpy. Note that the size argument should be passed with type unsigned int, because that is what the non-GCC definitions require. With GCC, __builtin_memcpy takes an arg of type size_t, but it can handle unsigned int. */ #if defined(__GNUC__) #define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT) #else #ifndef __cplusplus /* This is the most reliable way to avoid incompatibilities in available built-in functions on various systems. */ static void __yy_memcpy (to, from, count) char *to; char *from; unsigned int count; { register char *f = from; register char *t = to; register int i = count; while (i-- > 0) *t++ = *f++; } #else /* __cplusplus */ /* This is the most reliable way to avoid incompatibilities in available built-in functions on various systems. */ static void __yy_memcpy (char *to, char *from, unsigned int count) { register char *t = to; register char *f = from; register int i = count; while (i-- > 0) *t++ = *f++; } #endif #endif /* The user can define YYPARSE_PARAM as the name of an argument to be passed into yyparse. The argument should have type void *. It should actually point to an object. Grammar actions can access the variable by casting it to the proper pointer type. */ #ifdef YYPARSE_PARAM #ifdef __cplusplus #define YYPARSE_PARAM_ARG void *YYPARSE_PARAM #define YYPARSE_PARAM_DECL #else /* not __cplusplus */ #define YYPARSE_PARAM_ARG YYPARSE_PARAM #define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; #endif /* not __cplusplus */ #else /* not YYPARSE_PARAM */ #define YYPARSE_PARAM_ARG #define YYPARSE_PARAM_DECL #endif /* not YYPARSE_PARAM */ /* Prevent warning if -Wstrict-prototypes. */ #ifdef __GNUC__ #ifdef YYPARSE_PARAM int yyparse (void *); #else int yyparse (void); #endif #endif int yyparse(YYPARSE_PARAM_ARG) YYPARSE_PARAM_DECL { register int yystate; register int yyn; register short *yyssp; register YYSTYPE *yyvsp; int yyerrstatus; /* number of tokens to shift before error messages enabled */ int yychar1 = 0; /* lookahead token as an internal (translated) token number */ short yyssa[YYINITDEPTH]; /* the state stack */ YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */ short *yyss = yyssa; /* refer to the stacks thru separate pointers */ YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */ #ifdef YYLSP_NEEDED YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */ YYLTYPE *yyls = yylsa; YYLTYPE *yylsp; #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) #endif int yystacksize = YYINITDEPTH; int yyfree_stacks = 0; #ifdef YYPURE int yychar; YYSTYPE yylval; int yynerrs; #ifdef YYLSP_NEEDED YYLTYPE yylloc; #endif #endif YYSTYPE yyval; /* the variable used to return */ yyval.dval = 0; /* semantic values from the action */ /* routines */ int yylen; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Starting parse\n"); #endif 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 - 1; yyvsp = yyvs; #ifdef YYLSP_NEEDED yylsp = yyls; #endif /* Push a new state, which is found in yystate . */ /* In all cases, when you get here, the value and location stacks have just been pushed. so pushing a state here evens the stacks. */ yynewstate: *++yyssp = sal::static_int_cast(yystate); if (yyssp >= yyss + yystacksize - 1) { /* 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; #ifdef YYLSP_NEEDED YYLTYPE *yyls1 = yyls; #endif /* Get the current used size of the three stacks, in elements. */ int size = yyssp - yyss + 1; #ifdef yyoverflow /* Each stack pointer address is followed by the size of the data in use in that stack, in bytes. */ #ifdef YYLSP_NEEDED /* 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, size * sizeof (*yyssp), &yyvs1, size * sizeof (*yyvsp), &yyls1, size * sizeof (*yylsp), &yystacksize); #else yyoverflow("parser stack overflow", &yyss1, size * sizeof (*yyssp), &yyvs1, size * sizeof (*yyvsp), &yystacksize); #endif yyss = yyss1; yyvs = yyvs1; #ifdef YYLSP_NEEDED yyls = yyls1; #endif #else /* no yyoverflow */ /* Extend the stack our own way. */ if (yystacksize >= YYMAXDEPTH) { yyerror("parser stack overflow"); if (yyfree_stacks) { free (yyss); free (yyvs); #ifdef YYLSP_NEEDED free (yyls); #endif } return 2; } yystacksize *= 2; if (yystacksize > YYMAXDEPTH) yystacksize = YYMAXDEPTH; #ifndef YYSTACK_USE_ALLOCA yyfree_stacks = 1; #endif yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp)); __yy_memcpy ((char *)yyss, (char *)yyss1, size * (unsigned int) sizeof (*yyssp)); yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp)); __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * (unsigned int) sizeof (*yyvsp)); #ifdef YYLSP_NEEDED yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp)); __yy_memcpy ((char *)yyls, (char *)yyls1, size * (unsigned int) sizeof (*yylsp)); #endif #endif /* no yyoverflow */ yyssp = yyss + size - 1; yyvsp = yyvs + size - 1; #ifdef YYLSP_NEEDED yylsp = yyls + size - 1; #endif #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Stack size increased to %d\n", yystacksize); #endif if (yyssp >= yyss + yystacksize - 1) YYABORT; } #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Entering state %d\n", yystate); #endif goto 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 == YYFLAG) goto yydefault; /* Not known => get a lookahead token if don't already have one. */ /* yychar is either YYEMPTY or YYEOF or a valid token in external form. */ if (yychar == YYEMPTY) { #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Reading a token: "); #endif yychar = YYLEX; } /* Convert token to internal form (in yychar1) for indexing tables with */ if (yychar <= 0) /* This means end of input. */ { yychar1 = 0; yychar = YYEOF; /* Don't call YYLEX any more */ #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Now at end of input.\n"); #endif } else { yychar1 = YYTRANSLATE(yychar); #if YYDEBUG != 0 if (yydebug) { fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]); /* Give the individual parser a way to print the precise meaning of a token, for further debugging info. */ #ifdef YYPRINT YYPRINT (stderr, yychar, yylval); #endif fprintf (stderr, ")\n"); } #endif } yyn += yychar1; if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) goto yydefault; yyn = yytable[yyn]; /* yyn is what to do for this token type in this state. Negative => reduce, -yyn is rule number. Positive => shift, yyn is new state. New state is final state => don't bother to shift, just return success. 0, or most negative number => error. */ if (yyn < 0) { if (yyn == YYFLAG) goto yyerrlab; yyn = -yyn; goto yyreduce; } else if (yyn == 0) goto yyerrlab; if (yyn == YYFINAL) YYACCEPT; /* Shift the lookahead token. */ #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]); #endif /* Discard the token being shifted unless it is eof. */ if (yychar != YYEOF) yychar = YYEMPTY; *++yyvsp = yylval; #ifdef YYLSP_NEEDED *++yylsp = yylloc; #endif /* count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; yystate = yyn; goto yynewstate; /* Do the default action for the current state. */ yydefault: yyn = yydefact[yystate]; if (yyn == 0) goto yyerrlab; /* Do a reduction. yyn is the number of a rule to reduce with. */ yyreduce: yylen = yyr2[yyn]; if (yylen > 0) yyval = yyvsp[1-yylen]; /* implement default value of the action */ #if YYDEBUG != 0 if (yydebug) { int i; fprintf (stderr, "Reducing via rule %d (line %d), ", yyn, yyrline[yyn]); /* Print the symbols being reduced, and their result. */ for (i = yyprhs[yyn]; yyrhs[i] > 0; i++) fprintf (stderr, "%s ", yytname[yyrhs[i]]); fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]); } #endif switch (yyn) { case 1: { yyval.ptr = new Node(ID_IDENTIFIER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 2: { yyval.ptr = new Node(ID_IDENTIFIER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 3: { yyval.ptr = new Node(ID_IDENTIFIER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 4: { yyval.ptr = new Node(ID_IDENTIFIER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 5: { yyval.ptr = new Node(ID_IDENTIFIER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 6: { yyval.ptr = new Node(ID_IDENTIFIER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 7: { yyval.ptr = new Node(ID_IDENTIFIER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 8: { yyval.ptr = new Node(ID_CHARACTER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 9: { yyval.ptr = new Node(ID_OPERATOR); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 10: { yyval.ptr = new Node(ID_OPERATOR); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 11: { yyval.ptr = new Node(ID_IDENTIFIER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 12: { yyval.ptr = new Node(ID_DELIMETER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 13: { yyval.ptr = new Node(ID_DELIMETER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 14: { yyval.ptr = new Node(ID_IDENTIFIER); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Identifier : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 15: { yyval.ptr = new Node(ID_CHARACTER); allocChar(yyval.ptr->value , '|'); debug("Identifier : '|'\n"); nodelist.push_back(yyval.ptr); ; break;} case 16: { yyval.ptr = new Node(ID_NUMBER); allocValue(yyval.ptr->value , yyvsp[0].dval); debug("Number : %s\n",yyvsp[0].dval); nodelist.push_back(yyval.ptr); ; break;} case 17: { yyval.ptr = new Node(ID_STRING); allocValue(yyval.ptr->value , yyvsp[0].str); debug("String : %s\n",yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 18: { yyval.ptr = new Node(ID_PRIMARYEXPR); yyval.ptr->child = yyvsp[0].ptr; debug("PrimaryExpr\n"); nodelist.push_back(yyval.ptr); ; break;} case 19: { yyval.ptr = new Node(ID_PRIMARYEXPR); yyval.ptr->child = yyvsp[-1].ptr; yyval.ptr->next = yyvsp[0].ptr; debug("PrimaryExpr : PrimaryExpr Identifier\n"); nodelist.push_back(yyval.ptr); ; break;} case 20: { yyval.ptr = new Node(ID_LEFT); allocChar(yyval.ptr->value , '('); debug("EQLeft \n"); nodelist.push_back(yyval.ptr); ; break;} case 21: { yyval.ptr = new Node(ID_LEFT); allocChar(yyval.ptr->value , '['); debug("EQLeft \n"); nodelist.push_back(yyval.ptr); ; break;} case 22: { yyval.ptr = new Node(ID_LEFT); allocChar(yyval.ptr->value , '{'); debug("EQLeft \n"); nodelist.push_back(yyval.ptr); ; break;} case 23: { yyval.ptr = new Node(ID_LEFT); allocChar(yyval.ptr->value , '<'); debug("EQLeft \n"); nodelist.push_back(yyval.ptr); ; break;} case 24: { yyval.ptr = new Node(ID_LEFT); allocChar(yyval.ptr->value , '|'); debug("EQLeft \n"); nodelist.push_back(yyval.ptr); ; break;} case 25: { yyval.ptr = new Node(ID_LEFT); allocValue(yyval.ptr->value , "||"); debug("EQLeft \n"); nodelist.push_back(yyval.ptr); ; break;} case 26: { yyval.ptr = new Node(ID_LEFT); allocValue(yyval.ptr->value , yyvsp[0].str); debug("EQLeft \n"); nodelist.push_back(yyval.ptr); ; break;} case 27: { yyval.ptr = new Node(ID_RIGHT); allocChar(yyval.ptr->value , ')'); debug("EQRight \n"); nodelist.push_back(yyval.ptr); ; break;} case 28: { yyval.ptr = new Node(ID_RIGHT); allocChar(yyval.ptr->value , ']'); debug("EQRight \n"); nodelist.push_back(yyval.ptr); ; break;} case 29: { yyval.ptr = new Node(ID_RIGHT); allocChar(yyval.ptr->value , '}'); debug("EQRight \n"); nodelist.push_back(yyval.ptr); ; break;} case 30: { yyval.ptr = new Node(ID_RIGHT); allocChar(yyval.ptr->value , '>'); debug("EQRight \n"); nodelist.push_back(yyval.ptr); ; break;} case 31: { yyval.ptr = new Node(ID_RIGHT); allocChar(yyval.ptr->value , '|'); debug("EQRight \n"); nodelist.push_back(yyval.ptr); ; break;} case 32: { yyval.ptr = new Node(ID_RIGHT); allocValue(yyval.ptr->value , "||"); debug("EQRight \n"); nodelist.push_back(yyval.ptr); ; break;} case 33: { yyval.ptr = new Node(ID_RIGHT); allocValue(yyval.ptr->value , yyvsp[0].str); debug("EQRight \n"); nodelist.push_back(yyval.ptr); ; break;} case 34: { yyval.ptr = new Node(ID_FENCE); yyval.ptr->child=yyvsp[-2].ptr; yyvsp[-2].ptr->next=yyvsp[-1].ptr; yyvsp[-1].ptr->next=yyvsp[0].ptr; debug("Fence \n"); nodelist.push_back(yyval.ptr); ; break;} case 35: { yyval.ptr = new Node(ID_PARENTH); yyval.ptr->child = yyvsp[-1].ptr; debug("Parenth: '(' ExprList ')' \n"); nodelist.push_back(yyval.ptr); ; break;} case 36: { yyval.ptr = new Node(ID_PARENTH); debug("Parenth: '(' ')' \n"); nodelist.push_back(yyval.ptr); ; break;} case 37: { yyval.ptr = new Node(ID_BLOCK); yyval.ptr->child = yyvsp[-1].ptr; debug("Block: '{' ExprList '}' \n"); nodelist.push_back(yyval.ptr); ; break;} case 38: { yyval.ptr = new Node(ID_BLOCK); debug("Block: '{' '}' \n"); nodelist.push_back(yyval.ptr); ; break;} case 39: { yyval.ptr = new Node(ID_BRACKET); yyval.ptr->child = yyvsp[-1].ptr; debug("Bracket \n"); nodelist.push_back(yyval.ptr); ; break;} case 40: { yyval.ptr = new Node(ID_BRACKET); debug("Bracket \n"); nodelist.push_back(yyval.ptr); ; break;} case 41: { yyval.ptr = new Node(ID_SUBEXPR); yyval.ptr->child = yyvsp[-2].ptr; yyvsp[-2].ptr->next = yyvsp[0].ptr; debug("SubSupExpr : ID_SUBEXPR\n"); nodelist.push_back(yyval.ptr); ; break;} case 42: { yyval.ptr = new Node(ID_SUPEXPR); yyval.ptr->child = yyvsp[-2].ptr; yyvsp[-2].ptr->next = yyvsp[0].ptr; debug("SubSupExpr : ID_SUPEXPR\n"); nodelist.push_back(yyval.ptr); ; break;} case 43: { yyval.ptr = new Node(ID_SUBSUPEXPR); yyval.ptr->child=yyvsp[-4].ptr; yyvsp[-4].ptr->next=yyvsp[-2].ptr; yyvsp[-2].ptr->next=yyvsp[0].ptr; debug("SubSupExpr : ID_SUBSUPEXPR\n"); nodelist.push_back(yyval.ptr); ; break;} case 44: { yyval.ptr = new Node(ID_FRACTIONEXPR); yyval.ptr->child = yyvsp[-1].ptr; yyvsp[-1].ptr->next = yyvsp[0].ptr; debug("FractionExpr : %s\n",yyvsp[-2].str); nodelist.push_back(yyval.ptr); ; break;} case 45: { yyval.ptr = new Node(ID_OVER); yyval.ptr->child = yyvsp[-3].ptr; yyvsp[-3].ptr->next = yyvsp[-1].ptr; debug("OverExpr\n"); nodelist.push_back(yyval.ptr); ; break;} case 46: { yyval.ptr = new Node(ID_ACCENTEXPR); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Accent : %s\n", yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 47: { yyval.ptr = new Node(ID_ACCENTEXPR); yyval.ptr->child=yyvsp[-1].ptr; yyvsp[-1].ptr->next = yyvsp[0].ptr; debug("AccentExpr \n"); nodelist.push_back(yyval.ptr); ; break;} case 48: { yyval.ptr = new Node(ID_DECORATIONEXPR); allocValue(yyval.ptr->value , yyvsp[0].str); debug("Decoration : %s\n", yyvsp[0].str); nodelist.push_back(yyval.ptr); ; break;} case 49: { yyval.ptr = new Node(ID_DECORATIONEXPR); yyval.ptr->child = yyvsp[-1].ptr; yyvsp[-1].ptr->next = yyvsp[0].ptr; debug("DecorationExpr \n"); nodelist.push_back(yyval.ptr); ; break;} case 50: { yyval.ptr = new Node(ID_SQRTEXPR); yyval.ptr->child = yyvsp[0].ptr; debug("RootExpr : %s\n", yyvsp[-1].str); nodelist.push_back(yyval.ptr); ; break;} case 51: { yyval.ptr = new Node(ID_ROOTEXPR); yyval.ptr->child = yyvsp[-1].ptr; yyvsp[-1].ptr->next= yyvsp[0].ptr; debug("RootExpr : %s\n", yyvsp[-2].str); nodelist.push_back(yyval.ptr); ; break;} case 52: { yyval.ptr = new Node(ID_BEGIN); yyval.ptr->child = yyvsp[0].ptr; nodelist.push_back(yyval.ptr); debug("BeginExpr\n"); ; break;} case 53: { yyval.ptr = new Node(ID_BEGIN); yyval.ptr->child = yyvsp[-1].ptr; yyvsp[-1].ptr->next= yyvsp[0].ptr; nodelist.push_back(yyval.ptr); debug("BeginExpr\n"); ; break;} case 54: { yyval.ptr = new Node(ID_END); yyval.ptr->child = yyvsp[0].ptr; nodelist.push_back(yyval.ptr); debug("EndExpr\n"); ; break;} case 55: { yyval.ptr = new Node(ID_MATHML); yyval.ptr->child = yyvsp[0].ptr; nodelist.push_back(yyval.ptr); top = yyval.ptr; debug("MathML\n"); ; break;} case 56: { yyval.ptr = new Node(ID_LINES); yyval.ptr->child = yyvsp[0].ptr; nodelist.push_back(yyval.ptr); debug("Lines\n"); ; break;} case 57: { yyval.ptr = new Node(ID_LINES); yyval.ptr->child = yyvsp[-2].ptr; yyvsp[-2].ptr->next = yyvsp[0].ptr; nodelist.push_back(yyval.ptr); debug("Lines\n"); ; break;} case 58: { yyval.ptr = new Node(ID_LINE); yyval.ptr->child = yyvsp[0].ptr; nodelist.push_back(yyval.ptr); debug("Line\n"); ; break;} case 59: { yyval.ptr = new Node(ID_EXPRLIST); yyval.ptr->child = yyvsp[0].ptr; debug("ExprList : Expr\n"); nodelist.push_back(yyval.ptr); ; break;} case 60: { yyval.ptr = new Node(ID_EXPRLIST); yyval.ptr->child = yyvsp[-1].ptr; yyvsp[-1].ptr->next = yyvsp[0].ptr; debug("ExprList : ExprList Expr\n"); nodelist.push_back(yyval.ptr); ; break;} case 61: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : Block\n"); nodelist.push_back(yyval.ptr);; break;} case 62: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : Parenth\n"); nodelist.push_back(yyval.ptr);; break;} case 63: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : Fence\n"); nodelist.push_back(yyval.ptr);; break;} case 64: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : SubSupExpr\n"); nodelist.push_back(yyval.ptr);; break;} case 65: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : FractionExpr\n"); nodelist.push_back(yyval.ptr);; break;} case 66: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : OverExpr\n"); nodelist.push_back(yyval.ptr);; break;} case 67: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : DecorationExpr\n"); nodelist.push_back(yyval.ptr);; break;} case 68: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : RootExpr\n"); nodelist.push_back(yyval.ptr);; break;} case 69: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : AccentExpr\n"); nodelist.push_back(yyval.ptr);; break;} case 70: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : PrimaryExpr\n"); nodelist.push_back(yyval.ptr);; break;} case 71: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : BeginExpr\n"); nodelist.push_back(yyval.ptr);; break;} case 72: { yyval.ptr = new Node(ID_EXPR); yyval.ptr->child = yyvsp[0].ptr; debug("Expr : EndExpr\n"); nodelist.push_back(yyval.ptr);; break;} } /* the action file gets copied in in place of this dollarsign */ yyvsp -= yylen; yyssp -= yylen; #ifdef YYLSP_NEEDED yylsp -= yylen; #endif #if YYDEBUG != 0 if (yydebug) { short *ssp1 = yyss - 1; fprintf (stderr, "state stack now"); while (ssp1 != yyssp) fprintf (stderr, " %d", *++ssp1); fprintf (stderr, "\n"); } #endif *++yyvsp = yyval; #ifdef YYLSP_NEEDED yylsp++; if (yylen == 0) { yylsp->first_line = yylloc.first_line; yylsp->first_column = yylloc.first_column; yylsp->last_line = (yylsp-1)->last_line; yylsp->last_column = (yylsp-1)->last_column; yylsp->text = 0; } else { yylsp->last_line = (yylsp+yylen-1)->last_line; yylsp->last_column = (yylsp+yylen-1)->last_column; } #endif /* 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 - YYNTBASE] + *yyssp; if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTBASE]; goto yynewstate; yyerrlab: /* here on detecting error */ if (! yyerrstatus) /* If not already recovering from an error, report this error. */ { ++yynerrs; #ifdef YYERROR_VERBOSE yyn = yypact[yystate]; if (yyn > YYFLAG && yyn < YYLAST) { int size = 0; char *msg; int x, count; count = 0; /* Start X at -yyn if nec to avoid negative indexes in yycheck. */ for (x = (yyn < 0 ? -yyn : 0); x < (sizeof(yytname) / sizeof(char *)); x++) if (yycheck[x + yyn] == x) size += strlen(yytname[x]) + 15, count++; msg = (char *) malloc(size + 15); if (msg != 0) { strcpy(msg, "parse error"); if (count < 5) { count = 0; for (x = (yyn < 0 ? -yyn : 0); x < (sizeof(yytname) / sizeof(char *)); x++) if (yycheck[x + yyn] == x) { strcat(msg, count == 0 ? ", expecting `" : " or `"); strcat(msg, yytname[x]); strcat(msg, "'"); count++; } } yyerror(msg); free(msg); } else yyerror ("parse error; also virtual memory exceeded"); } else #endif /* YYERROR_VERBOSE */ yyerror("parse error"); } goto yyerrlab1; yyerrlab1: /* here on error raised explicitly by an action */ if (yyerrstatus == 3) { /* if just tried and failed to reuse lookahead token after an error, discard it. */ /* return failure if at end of input */ if (yychar == YYEOF) YYABORT; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]); #endif yychar = YYEMPTY; } /* Else will try to reuse lookahead token after shifting the error token. */ yyerrstatus = 3; /* Each real token shifted decrements this */ goto yyerrhandle; yyerrdefault: /* current state does not do anything special for the error token. */ #if 0 /* This is wrong; only states that explicitly want error tokens should shift them. */ yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/ if (yyn) goto yydefault; #endif yyerrpop: /* pop the current state because it cannot handle the error token */ if (yyssp == yyss) YYABORT; yyvsp--; yystate = *--yyssp; #ifdef YYLSP_NEEDED yylsp--; #endif #if YYDEBUG != 0 if (yydebug) { short *ssp1 = yyss - 1; fprintf (stderr, "Error: state stack now"); while (ssp1 != yyssp) fprintf (stderr, " %d", *++ssp1); fprintf (stderr, "\n"); } #endif yyerrhandle: yyn = yypact[yystate]; if (yyn == YYFLAG) goto yyerrdefault; yyn += YYTERROR; if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) goto yyerrdefault; yyn = yytable[yyn]; if (yyn < 0) { if (yyn == YYFLAG) goto yyerrpop; yyn = -yyn; goto yyreduce; } else if (yyn == 0) goto yyerrpop; if (yyn == YYFINAL) YYACCEPT; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Shifting error token, "); #endif *++yyvsp = yylval; #ifdef YYLSP_NEEDED *++yylsp = yylloc; #endif yystate = yyn; goto yynewstate; yyacceptlab: /* YYACCEPT comes here. */ if (yyfree_stacks) { free (yyss); free (yyvs); #ifdef YYLSP_NEEDED free (yyls); #endif } return 0; yyabortlab: /* YYABORT comes here. */ if (yyfree_stacks) { free (yyss); free (yyvs); #ifdef YYLSP_NEEDED free (yyls); #endif } return 1; } Node *mainParse(const char *_code) { initFlex( _code ); top = 0L; yyparse(); if( top ) return top; else return 0L; } void yyerror(const char * /*err*/) { // printf("REALKING ERR[%s]\n",err); // if error, delete all nodes. Node *pNode = 0L; int ncount = nodelist.size(); for( int i = 0 ; i < ncount ; i++){ pNode = nodelist.front(); nodelist.pop_front(); delete pNode; } top = 0L; } #ifndef PARSE_DEBUG int debug(const char * /*format*/, ...) { return 0; } #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */