c语言词法分析器 源代码 风君版

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1、C语言词法分析器源代码风君版.txt婚姻是键盘，太多秩序和规则；爱情是鼠标，一点就通。男人自比主机，内存最重要；女人好似显示器，一切都看得出来。#include#include#includechar*key0[]={"","auto","break","case","char","const","continue","default","do","double","else","enum","extern","float","for","goto","if","int","long","register","r

2、eturn","short","signed","sizeof","static","struct","switch","typedef","_Complex","_Imaginary","union","unsigned","void","volatile","while"};/*保留字表*/char*key1[]={"","(",")","[","]","{","}",",",";","'"};/*分隔符表*/char*key2[]={"","+","-","*","/","%","<",">","==",">=","<=","!=","!","&&","

3、

4、","

5、<<",">>","~","

6、","^","&","=","?:","->","++","--",".","+=","-=","*=","/="};/*运算符表*/intxx0[35],xx1[10],xx2[31];inttemp_key3=0,temp_c40=0,temp_c41=0,temp_c42=0,temp_c43=0;/*******初始化函数*******/voidload(){intmm;for(mm=0;mm<=34;mm++){xx0[mm]=0;}for(mm=0;mm<=9;mm++){xx1[mm]=0;}for(mm=0;mm<=30;m

7、m++){xx2[mm]=0;}FILE*floading;if((floading=fopen("key0.txt","w"))==NULL){printf("Error!Can'tcreatefile:key0.txt");return;}fclose(floading);/*建立保留字表文件：key0.txt*/if((floading=fopen("key1.txt","w"))==NULL){printf("Error!Can'tcreatefile:key1.txt");return;}/*建立分隔符表文件：key1.txt*/if((floading=fo

8、pen("key2.txt","w"))==NULL){printf("Error!Can'tcreatefile:key2.txt");return;}fclose(floading);/*建立运算符表文件：key2.txt*/if((floading=fopen("key3.txt","w"))==NULL){printf("Error!Can'tcreatefile:key3.txt");return;}fclose(floading);/*建立标识符表文件：key3.txt*/if((floading=fopen("c40.txt","w"))==NULL){p

9、rintf("Error!Can'tcreatefile:c40.txt");return;}fclose(floading);/*建立整数类型常量表文件：c40.txt*/if((floading=fopen("c41.txt","w"))==NULL){printf("Error!Can'tcreatefile:c41.txt");return;}fclose(floading);/*建立浮点类型常量表文件：c41.txt*/if((floading=fopen("c42.txt","w"))==NULL){printf("Error!Can'tcreatefile

10、:c42.txt");return;}fclose(floading);/*建立字符类型常量表文件：c42.txt*/if((floading=fopen("c43.txt","w"))==NULL){printf("Error!Can'tcreatefile:c43.txt");return;}fclose(floading);/*建立字符串类型常量表文件：c43.txt*/if((floading=fopen("defination.txt","w"))==NULL){printf("Error!Can'tcreatefile:def