一.　　实验内容：

实验一：设计，编制并调试一个词法分析程序，加深对词法分析程序原理的理解。



实验二：语法分析程序：编制一个递归下降语法分析程序，实现对词法分析程序所提供的单词序列的语法检查和结构分析。

-1. Experiment content: The experiment I: design, compile and debug a lexical analysis procedures, better understanding of the lexical analysis process understanding of the principles. Experimental II: syntax analysis procedure: the preparation of a recursive descent parser to achieve lexical analysis procedure provided by the word sequence and structure analysis of grammar checker.