y.tab.h

本源码为一个编译原理课程设计程序,它采用了YACC和LEX实现了一个功能强大的计算器编译器!

/* A Bison parser, made by GNU Bison 1.875b.  */

/* 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.  */

/* Tokens.  */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
   /* Put the tokens into the symbol table, so that GDB and other debuggers
      know about them.  */
   enum yytokentype {
     CLEAR = 258,
     EXIT = 259,
     LIST = 260,
     ERASE = 261,
     DEC = 262,
     HEX = 263,
     OCT = 264,
     HELP = 265,
     NUM = 266,
     REG = 267,
     ADD = 268,
     SUB = 269,
     MUL = 270,
     DIV = 271,
     MOD = 272,
     LSHIFT = 273,
     RSHIFT = 274,
     AND = 275,
     OR = 276,
     NOT = 277,
     LESS = 278,
     MORE = 279,
     BITAND = 280,
     BITOR = 281,
     BITXOR = 282,
     BITREV = 283,
     SIN = 284,
     COS = 285,
     TAN = 286,
     ABS = 287,
     SQRT = 288,
     LOG = 289,
     RMINUS = 290
   };
#endif
#define CLEAR 258
#define EXIT 259
#define LIST 260
#define ERASE 261
#define DEC 262
#define HEX 263
#define OCT 264
#define HELP 265
#define NUM 266
#define REG 267
#define ADD 268
#define SUB 269
#define MUL 270
#define DIV 271
#define MOD 272
#define LSHIFT 273
#define RSHIFT 274
#define AND 275
#define OR 276
#define NOT 277
#define LESS 278
#define MORE 279
#define BITAND 280
#define BITOR 281
#define BITXOR 282
#define BITREV 283
#define SIN 284
#define COS 285
#define TAN 286
#define ABS 287
#define SQRT 288
#define LOG 289
#define RMINUS 290




#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

extern YYSTYPE yylval;