listap.c

编译原理的词法分析模块

#include <stdio.h>

#define MAXLIST 10

typedef char ListEntry;
typedef int ListIndex;
typedef struct listnode{
	ListEntry entry;
	ListIndex next;
}ListNode;

typedef int Position;
typedef struct list{
	ListIndex head;
	int count;
}List;

extern ListIndex avail,listused;
extern ListNode workspace[];
void CreateList(List *);

int CurrentPosition(Position,List *);
void DisposeNode(ListIndex,List *);
void Error(char *);
void InsertList(Position,ListEntry,List *);
void