symbol.h

来自「一个用flex、bison和vc开发的堆栈机」· C头文件 代码 · 共 33 行

#ifndef SYMREC
#define SYMREC
struct symrec{
	char *name;
	int type;
	union {
		double val;
		double (*fnctptr)();	/*bltin fuctions*/
		int (*defn)();			/* FUNCTION, PROCEDURE*/
		char *str;
	}value;
	struct symrec *next;
};
typedef struct symrec symrec;

extern init_table();
extern symrec *putsym();
extern symrec *getsym();

struct bltin{
	char *fname;
	double (*bltin)();
};
struct cnst{
	char *name;
	double val;
};
struct kword{
	char *name;
	int kval;
};
#endif