是用flex分析pl0源代码的程序，统计处其中所有的关键字和变量名称，这个rar文件中有readme，具体见其中的说明。另外还有2个测试文件ceshi1.pl0...

词法分析器，用于输入表达式后输出单个独立的数据项-lexical analyzer for the importation of expression output of a single independent data item

这是LL(1)的一个文法和 分析表 很好的 - This LL (1) a grammar and the analytical table are very good

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

语义分析器，将语义分析程序编制成子程序，在语法分析器分析出各语法单位后，分析其含义，并将可执行语句或表达式翻译为四元式输出，并将错误信息输出。-Semantic analyzer, semantic analysis program compiled subroutines, in the parser analyzes the syntax of the unit, analyze its meaning, and translated into an executable statement or expression quaternary-output, and error information output.

java文件注释过滤器,将文件中的注释过滤掉.-java document filters, the document notes strip.

学习简单的Yacc说明的原理，掌握Yacc源文件的写法以及语法分析器生成工具BISON的使用方法和Yacc源文件的运行方法和基本步骤。 -Yacc study shows a simple principle, Yacc master source file written syntax analyzer and generate UML tools and the use of the source language Yacc pieces of the operation and basic steps.

计算机器程序~ 附带词法分析~- Computation machine program ~ supplementary lexical analysis ~

bison源代码.bison 是替代yacc的语法分析程序生成器. yacc是 Yet Another Compiler Compiler的缩写. bison又是什么呐 是一个生成可以分析文本文件结构的程序的程序. 用户不用直接编写程序而只用确定好如何分析这些文本文件的规则就可以了. 这种文本结构应用的例子举不胜举, 其中一个就是计算器(calculator).-bison source code. Bison is a replacement generates a syntax analysis program generator. Yacc yes Yet Another Compiler Compiler"s initials. What is the bison Na is a generation of text files can be analyzed the structure of procedures procedures. users need not directly preparation procedures identified only as good Dr analysis of these text files on the rules. This text structure Application examples abound. which is a calculator (calculator).

这是我同学做得编译原理――词法分析器，有读源文件，和写目标文件-This is the principle of my classmates to do the compiler- lexical analyzer source file has read, and write the destination file

现将本人搜集常用的程序设计语言的词法和形式文法提供给大家。其中，词法是按LEX格式编辑，形式文法是按YACC格式书写，大家可直接用LEX和YACC工具编译生成各类程序设计语言的分析器。-commonly used programming language syntax and grammar forms to the public. Among them, morphology is based on LEX format editing, grammar form is written by YACC format, we can use the LEX and YACC tools various compiler generation programming language analyzer.