实验目的：用c语言对一个简单语言的子集编制一个一遍扫描的编译程序，以加深对编译原理的理解,掌握编译程序的实现方法和技术。

c.1词法分析

c.1.1实验目的

设计、编制并调试一个词法分析程序，加深对词法分析原理的理解。

c.1.2实验要求

c.1.2.1待分析的简单语言的词法

(1)　　关键字：

begin if then while do end

--------有实验报告+.cpp+分析-Experimental Objective: To use c language of a simple subset of language once again scan the preparation of a compiler in order to deepen understanding of the principles of the compiler, compiler grasp the realization of methods and techniques. c.1 lexical analysis the experiment was c.1.1 design, compilation and debugging a lexical analysis process, deepen the understanding of the principle of lexical analysis. c.1.2 experiment to be analyzed c.1.2.1 simple language lexical (1) keywords: begin if then while do end