C实现的PL/0编译器,该程序实现词法分析、语法分析及语义分析,以四元式为输出结果,是计算机专业的一门重要的实验课程。-C implementation of PL/0 compiler, the program achieve lexical analysis, grammar analysis and semantic analysis to quaternion type for the output, are a computer professional essential exper

C++版本的LEX词法分析器，只采用LEX，没有YACC。直接运行输入C语言程序，控制台输出词法分析的结果。-C++ version of the LEX lexical analyzer, only the use of LEX, there is no YACC, the direct operation of the input C language program, the results of the console output lexical analysis.