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表达式的计算程序- Expression computational procedure

USB接口的VHDL源码，支持Verilog HDL程序-USB VHDL source code, supports Verilog HDL procedures

查看asn1 ber编码方式的源文件，有多种查看方式-Show asn1 ber encoding the source file, there are several ways to view

delphi实现的sql解析器，可以对各种sql语句进行解析，产生语法树。-realize the sql parser delphi can parse the various sql statements, resulting in tree grammar.

此为编译原理的实验,与大学生本科生的教学内容相近,十分有用-to compile this principle experiments, the number of undergraduate students and teaching contents are similar, very useful! !

简单的词法分析，可以识别关键字错误，识别无效符号等等，通用！-Simple lexical analysis to identify the wrong keywords, identify invalid symbols and so on, General!

这是一个关于词法语法分析器的软件，我们的课程设计的，-This is one of the syntax analyzer software, the curriculum design,

nVidia开发的图形语言 Cg，用于进行顶点渲染和象素渲染，语法类似于 C。-nVidia graphics development of the Cg language, used for pixel and vertex exaggerated exaggerated, similar to the C syntax.

用数据库存储输出的单词符号表、单词表，用LIST，RICHEDIT控件实现单击关联事件。-database storage using the word output symbol table, the word table with LIST, click RICHEDIT Controls Association events.

词法分析，LL1语法分析，语义分析，中间代码生成，中间代码优化（常表达式优化，公共表达式优化，循环不变式优化），中间代码生成目标代码，目标代码的解释执行，详细地阐述了一个编译器的设计和实现.-lexical analysis, LL1 syntax analysis, semantic analysis and code generation and code optimization (regular expression optimization, public expression optimization, optimization loop invariant), intermediate code generated object code, object code to explain the implementation of a detailed exposition of a compiler the design and implementation.