文件名称:lex
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① 使用自动机技术实现一个词法分析程序;
② 使用算符优先分析方法实现其语法分析程序;
需要先在运行目录下建立一个input.txt文件,将需要分析的文法放在该文件中,分析结果,会输出在output.txt文件中。
-① the use of automatic machine technology to achieve a lexical analysis program ② operator priority use analytical methods to achieve its syntax analysis procedures need to run the establishment of a directory input.txt document, will require the analysis of grammar on that document, the analysis results will output in the output.txt file.
② 使用算符优先分析方法实现其语法分析程序;
需要先在运行目录下建立一个input.txt文件,将需要分析的文法放在该文件中,分析结果,会输出在output.txt文件中。
-① the use of automatic machine technology to achieve a lexical analysis program ② operator priority use analytical methods to achieve its syntax analysis procedures need to run the establishment of a directory input.txt document, will require the analysis of grammar on that document, the analysis results will output in the output.txt file.
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词法分析器.txt