lab3.tab.h

c—语言的句法分析器。读入一个C--语言程序

typedef union {
    char *id;             /* identifier */
    int  value;           /* value */
    char op[3];           /* operator */
    symbol *sign;         /* symbol */
    expr expn;            /* expression */
} YYSTYPE;
#define	IF	257
#define	ELSE	258
#define	WHILE	259
#define	RETURN	260
#define	VOID	261
#define	INT	262
#define	CHAR	263
#define	ID	264
#define	NUM	265
#define	NE	266
#define	LT	267
#define	LE	268
#define	EQ	269
#define	GT	270
#define	GE	271
#define	ADDOP	272
#define	CHAR_LITERAL	273
#define	STRING_LITERAL	274
#define	CDECL	275
#define	STDCALL	276
#define	ELLIPSIS	277
#define	IFX	278


extern YYSTYPE yylval;