词法分析器(c#实现)

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1、/**********************************************************************************************************************写在最前面*词法分析前先将源码预处理，去掉多余的空格和换行以及注释*单词与单词之间最好用空格隔开，否则将被识别为未知符号******************************************************************************************************

2、****************/usingSystem;usingSystem.Collections.Generic;usingSystem.ComponentModel;usingSystem.Data;usingSystem.Drawing;usingSystem.Collections;usingSystem.Text;usingSystem.Windows.Forms;usingSystem.IO;namespace词法分析{publicpartialclassForm1:Form{privatestaticstring[]保留字={"bool

3、","break","case","char","do","double","else","false","float","for","if","int","long","main","new","null","private","protected","public","static","true","try","typeof","unit","void","while","return","short","sizeof","switch"};privatestaticstring[]运算符={"*","/","%","+","-","<<",">>",

4、"<",">","<=",">=","==","!=","&","^","

5、","&&","

6、

7、","?:","+=","-=","*=","/=","%=","&=","

8、=","^=","<<=",">>=","="};privatestaticstring[]界符={",",";",".","'","(",")",":","[","]","{","}","/"};privatestaticstring[]标识符;privatestaticstring[]常数;privatestaticstring[]未知符号;privateArrayListtemp

9、=newArrayList();publicForm1(){InitializeComponent();}publicintSearch_Location(stringstr,string[]a)//查找字符编码{for(inti=0;i

10、i

11、.Length;i++){if(str[i].Contains("//")){string[]strr=str[i].Split('/');str[i]=strr[0];}}for(inti=0;i

12、place("/n","");if(str1.Contains("