一个很有用的demo程序，对于学习单片机的朋友很有用的。-A useful demo program for learning Singlechip Friend very useful.

编译并且测试成功的虚拟机- Translates and tests successfully hypothesized machine

optional exercise4答案，比较详细-optional exercise4

一个c++de的词法分析此程序可以通过读一个文本文件来进行词法分析-a lexical analysis of this procedure can read a text file for lexical analysis

Full support for extended regular expressions (those with intersection and complement); Support for some kinds of cycles in grammar; DFA-based operation; Unicode support; C++ only, requires a modern compiler; Lexical analyzers can be configured to get symbols from any input class (built-in support for std::istream, std::wistream and FILE *); Designed to work with Whale, but can work standalone or interface to other parsers.-Full support for extended regular expressions (those with intersection and complement); Support for some kinds of cycles in grammar; DFA-based operation; Unicode support; C only, requires a modern compiler; Lexical analyzers can be configured to get symbols from any input class (built-in support for std::istream, std::wistream and FILE*); Designed to work with Whale, but can work standalone or interface to other parsers.

一个简单的C语言编译器-a simple C language compiler

this a english paser that is writed in c sharp .net. i hope it will be advatageaus.-this is a english paser that is writed in c sharp .net. i hope it will be advatageaus.

C programm for frequency distribution.

search function through linked list using binary search method