正则表达式

拿出这个程序来主要是因为原文中只有一个LEX程序,- Puts out this procedure to come mainly is because in the original text only has a LEX procedure,

目标代码生成，从四元式到汇编语言的翻译-object code generation, from four yuan to the compilation-language translation.

2500AD X8051汇编语言编译器连接器使用说明-2500AD X8051 assembly language compiler for use connectors

编译原理实验中的yacc源码，是一个基于小类C语言的yacc程序，有助于学习yacc的编写。-principle experiment compiler generates the source code, is based on a subset of the C language yacc procedures, contribute to the preparation of learning yacc.

FFmpeg output_example.cpp的源代码。-The code of output_example.cpp belongs to FFmpeg.

编译原理的一个小实例 YACC(Yet Another Compiler-Compiler)是LALR(1)分析器的自动生成工具，它的第一版于70年代初发表，是美国贝尔实验室的软件产品（作者为S.C.Johnson） YACC将一前后文无关文法转换为一LALR(1)分析表,并提供使用该分析表进行语法分析的总控程序yyparse().-compiler principles of a small example of YACC (Yet Another Compiler- Compiler) is LALR (1) the automatic generation analyzer tool, its first edition in the early 1970s, was published in the United States Bell Labs software products (the author S. C. Johnson) will be a before and after YACC grammar unrelated to the text converted to a LALR (1) Analysis Table, and provide analysis of the use of the table for syntax analysis of the total control procedures yyparse ().

Yacc例子代码-Yacc example code

词法分析，语法分析，以及中间代码生成　 布尔表达式转换为逆波兰式 -lexical analysis, parsing, and the intermediate code generated Boolean expressions into reverse Polish notation

C语言词法分析器 by wpc_LK 这是一个简单的词法分析器，不能避免的存在错误请大家指出予以纠正，谢谢！ 示例语句 include int main{ int a=3,b=4,c if((a+b)==7)c=1 else c=0 return 0 } 输入 exit 退出程序。-C language lexical analyzer by wpc_LK This is a simple lexical analyzer can t avoid that there re some errors here,please correct, thank you! for exzample: include int main{ int a=3,b=4,c if((a+b)==7)c=1 else c=0 return 0 } input exit quit the program.

一个小巧而且实现很完整的JAVA虚拟机-achieve a compact but complete Java Virtual Machine