递归下降词法分析，很不错的一个词法分析器-recursive drop lexical analysis, a very good lexical analyzer

参照龙书编写的编译器，包括词法分析器，语法分析器，和生成三地址码的中间代码生成器。文件中包含代码和三篇论文。-Reference book written long compilers, including lexical analyzer, parser, and generate three address code between the code generator. File contains code and thesis 3.

C语言词法分析器实现论文-C language lexical analyzer to achieve the paper