global.h

简单编译器

#include <stdio.h>
#include <ctype.h>

#define BSIZE    128
#define NONE     -1
#define EOF      '\0'

#define NUM      256
#define DIV      257
#define MOD      258
#define ID       259
#define DONE     260

#define STRMAX 999
#define SYMMAX 100

int tokenval;
int lineno;

struct entry {
	char *lexptr;
	int  token;
};
//stack
#define STACK_INIT_SIZE 100
#define STACKINCREMENT  10
#define OK       1
#define ERROR    0
#define OVERFLOW 0
typedef struct {
	int *base;
	int *top;
	int stacksize;
}RStack;
RStack s;
int    topvalue;