vb做的词法分析器，对于计算机专业的同学很有用啊，大家看看吧，我做的是实现对C程序的词法分析，基本上能满足要求。-vb to do the lexical analyzer, for Computer Science students useful ah, let us look at it, I realize to do that on the C lexical analysis process has basically been able to meet the requirement