文件名称:Compiler
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（1） 将此番分析程序设计成独立一遍扫描源程序的结构。词法分析的输出结果采用如下的二元组表示：
（单词种别，单词自身的值）
对表识符，采用下列的二元组表示：
（表识符，指向标识符表项的指针）
单词种别建议采用一个关键字一个整数值、一个算符一个整数值等形式，每个整数值是不重复的，设计中应考虑好编码的方案（要跟语法分析连贯）。
（2） 测试用例：
应该建立至少两个测试用例：一个词法上正确的PL/0源程序和词法上部正确的源程序。
-(1) This analysis program will be designed as an independent source to scan the structure again. Lexical Analysis of the output of the dual use of the following group, said: (the word of other species, the value of their own words) on the table knowledge Fu, using the following binary group, said: (Table numeracy Fu, point identifier table entry pointer) word other species suggested an integer value of a keyword, an operator the form of an integer value, each integer value is not repeated, the design should be considered a good encoding program (with grammar analysis of coherence). (2) test case: It should be the establishment of at least two test cases: a lexical correct PL/0 source and the upper part of the correct morphology of the source.
（单词种别，单词自身的值）
对表识符，采用下列的二元组表示：
（表识符，指向标识符表项的指针）
单词种别建议采用一个关键字一个整数值、一个算符一个整数值等形式，每个整数值是不重复的，设计中应考虑好编码的方案（要跟语法分析连贯）。
（2） 测试用例：
应该建立至少两个测试用例：一个词法上正确的PL/0源程序和词法上部正确的源程序。
-(1) This analysis program will be designed as an independent source to scan the structure again. Lexical Analysis of the output of the dual use of the following group, said: (the word of other species, the value of their own words) on the table knowledge Fu, using the following binary group, said: (Table numeracy Fu, point identifier table entry pointer) word other species suggested an integer value of a keyword, an operator the form of an integer value, each integer value is not repeated, the design should be considered a good encoding program (with grammar analysis of coherence). (2) test case: It should be the establishment of at least two test cases: a lexical correct PL/0 source and the upper part of the correct morphology of the source.
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Compiler.cpp