scan编译器得前端得扫描程序 属于便一起的一部分

用C++实现的一个C-语言的词法扫描器，该扫描器是用递归下降分析法做的。-Using C++ to achieve a C-language lexical scanner, the scanner is dropped recursive method to do so.

一个由LEX编写的C-词法分析程序。为锻炼使用者能力，未加载LEX已编译的代码。建立时最好建立控制台程序。-LEX written by a C-lexical analysis program. The user the ability to exercise without load LEX compiled code. Is best to establish procedures for the establishment of the console.