编译原理课程写的词法分析程序。该词法分析程序能够读取测试输入文件中的源程序，并将其词法分析的结果即token序列或词法分析错误信息输出到tokenOut.txt中-Compiler theory lexical analysis program written procedures. The lexical analysis program that can read the test input file of the source, and lexical analysis of the r