我自己写的一个C - 语言的词法分析与语法分析两个编译步骤，其中将词法分析和语法分析包含在同一次扫描中，即完成词法和语法分析总共只扫描源程序一遍。-I wrote it myself a C- language, lexical analysis and syntax analysis of two compile steps, which will lexical analysis and syntax analysis is included in the same scan, that is, to complete a total of morphology and syntax analysis of source code to scan only once.