该程序能够实现简单的c语言词法，语法，语义分析。

pl 词法分析器，自己编的，输入文件名 （包括后缀）即可-pl morphology analyzer, own arrange, the input filename (decorates including after) then

本程序用于语法分析-procedures for the analysis of syntax

C programm for simple Calculator.

C-MINUS编译器，一个很不错的编译原理实践成果-C-MINUS compiler, a very good practice to compile the results of the principle

PL0_CPP C++版本的PL0 语言的编译器，实现了编译器的一般功能-PL0_CPP PL0 version of the C language compiler, a compiler to achieve the general functions

1、输入串应是词法分析的输出二元式序列，即某算术表达式“实验项目一”的输出结果。输出为输入串是否为该文法定义的算术表达式的判断结果。 2、LL(1)分析过程应能发现输入串出错。 3、设计两个测试用例（尽可能完备，正确和出错），并给出测试结果。 -1, input strings should be the output of lexical analysis of binary sequence, that is, the arithmetic expression of a

这是一个用flex生成的计算器程序-This is a generation with flex the calculator program

编译原理的课程设计报告中的手动词法分析构造器-Principles of curriculum design report compiled in a manual constructor lexical analysis

从网上下载lex工具源代码，并对其进行反复修改 使其能按我们的要求对C程序进行词法分析，然后输出我们期望的结果 -downloaded from the Internet tools lex source code, and it has repeatedly revised to enable it to us by the requirements of the C procedures lexical analysis, and then output the results we expect

一个读单词过程，从输入的源程序中，识别出各个具有独立意义的单词，即基本保留字、标识符、常数、运算符、分隔符五大类。并依次输出各个单词的内部编码及单词符号自身值。（-read a word process, from the import of the source to identify all the independent significance of the word, that is to retain the basic character identifier, constant, Operators, separated top-five. Output and followed all the internal code words and symbols own words value. (