C#编译原理递归下降分析器

上传者: qingkong880327 | 上传时间: 2022-06-07 11:35:18 | 文件大小: 34KB | 文件类型: RAR
使用递归下降分析算法分析表达式文法: exp ::= exp addop term | term addop ::= + | - term ::= term mulop factor | factor mulop ::= * | / factor ::= (exp) | number 其中number可以是多位的十进制数字串(整数即可),因此这里还需要一个小的词法分析器来得到number的值。 2、该词法分析器以子程序形式出现,当需要进行词法分析时进行调用; 3、能够识别正确和错误的表达式; 4、在进行语法分析的过程中,计算输入表达式的值。

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评论信息

  • ly20wy :
    分析的是表达式不是simple语言程序,呜呜,不是我要的
    2013-05-27

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