对给定的程序通过词法分析器弄够识别一个个单词符号，并以二元式(单词种别码，单词符号的属性值)显示。而本程序则是通过对给定路径的文件的分析后以单词符号和文字提示显示。-The procedures given by the lexical analyzer words get enough to identify a symbol, and binary-type (other types of code words, words, symbols of the property value) a