ll1的词法分析实现,没有短语分析,只是确定是不是LL1文法.

基于VIRTOOLS的封装工具,可以把virtools文件打包成为exe-Based on VIRTOOLS packaging tools can be packaged into exe files virtools

用栈实现算术运算- Operates with the stack realization arithmetic

this about neko program which is a script langugage

这是我们学习编译原理时做的一个程序. 是一个简单的词法分析程序.将一个文本文件时的推导规则进行.-This our compiler theory when learning to do a procedure. It is a simple lexical analysis procedure. A text file of the derivation rules.

大家是不是为不知道如何在VB学到绝地程序，这可以帮你！ 绝地程序编辑器- Everybody is not for did not know how learns certainly the procedure in VB, this may help you! Certainly procedure editor

用递归下降法分析算术表达式的框图，主要完成： ⑴ 通知外界键入算术表达式； ⑵ 控制Ｅ过程分析算术表达式； ⑶ 根据分析结果之正误，分别通知外界不同的信息。 -Analysis of recursive descent method with arithmetic expressions diagram, mainly to complete: ⑴ notice outside type arithmetic expressions ⑵ control process analysis arithmetic expression E ⑶ results are based on an analysis of error, respectively, different information to inform the outside world.

生成C++的词法/语法分析的Flex语法分析器 -Flex syntactic and phrase parser which can produce C++ code

本人自己改进过的帧间差分方法，并且调试过，对于学习车辆检测算法的朋友，有些帮助-I own improved interframe difference method, and debugging, the vehicle detection algorithm for learning friends, and some help

目的：通过编写简单的YACC程序熟悉YACC词法分析工具的基本用法，及词法分析器的设计思路。编写包括赋值语句、if语句以及含有加合乘运算的表达式等语法结构的pascal子集语言的语法分析器。 功能：程序由两个模块LEX和YACC构成，YACC使用LEX分析后的正规单词输出流-Objective : to prepare a simple procedure with YACC YACC lexical analysis of the basic tools to use, and the lexical analyzer designs. Preparation including assignment if statements containing Addition and multiplication of expressions such as grammatical structure of the pascal subset of the language syntax analyzer. Function : procedures by the two modules constitute LEX and YACC, YACC LEX analysis using the formal word output streams

编译原理-词法分析器-定义单词符号的种类，编码的规则等功能-Compiler Construction Principles- lexical analyzer- the definition of the types of word symbols, coding rules and other functions