dividewords.c

编译原理的词法分析模块

#include <stdio.h>
#include "list/list.h"
#include "common.h"
#include <string.h>

int main(char **avgs, int avgc)
{
    List myList,*pList;
    FILE *fp;
    char c,buff[1024],*pb,c1[2];
    pb = buff;
    pList = &myList;
    CreateList(pList);
    //printf("%s \n",*avgs);
    //getchar();
    fp = fopen("text1.txt","r");
    if(!fp)
        Error("open file error.\n");

    *pb = 0;
    c1[1] = 0;
    printf(">> \n");
    while(!feof(fp))
    {
        c = fgetc(fp);
        if(strchr("\n\a\t ",c) > 0)
        {
            InsertListNode(pList->count,buff,pList);
            pb = buff;
            *pb = '\0';
        }
        else if(strchr("~!@#$%^&*()+|`-=\\[{]};:'\",<.>/?",c) >0)
        {
            InsertListNode(pList->count,buff,pList);
            pb = buff;
            *pb = c;
            *(pb + 1) = '\0';
            InsertListNode(pList->count,buff,pList);
            pb = buff;
            *pb = 0;
        }
        else
        {
            *(pb++) = c;
            *pb = '\0';
        }
    }
    ShowListEntry(pList);
    getchar();
    return 0;
}