1.掌握手工生成词法分析器的方法，了解词法分析器的内部工作原理。

2.通过设计编制调试一个具体的词法分析程序，加深对词法分析原理的理解。并掌握在对程序设计语言源程序进行扫描过程中将其分解为各类单词的词法分析方法。

3.掌握根据程序的伪代码来编写程序模块程序源代码。

-1. Grasp the hand-generated lexical analyzer method, lexical analyzer to understand the inner workings of the principle. 2. Through the design of the preparation of debugging a lexical analysis of specific procedures, better understanding of the principles of the understanding of lexical analysis. And in the hands of the source of the programming language of its scanning process for all types of decomposition of the lexical analysis of words. 3. To master the procedure to the pseudo-code programming source code modules.