实现了 词法编译器的功能 在编译成序的 过程中，词法编译是第一步 此程序 是实现对词法的检查，纠错，以及最终的编译！~-realized accidence Compiler Compiler function in sequence into the process, the first step is to compile morphology of this procedure is to check the lexical and correlation, and, ultimately, the compiler! ~