this document is prepared by the VC on the principle of genetic algorithms compi...

汉语原代码，具有词法分析，句法分析功能 很好的程序-Chinese source with lexical analysis and parsing functions good procedures

袖珍pascal编译器,适用语言VC & C++ Visual Basic-Pocket pascal compiler, the application of language VC

词法分析，是一个一个单词的分析- The lexical analysis, is one by one the word analysis

简易C语言词法分析程序.zip直接解压即可解压后内有说明，请参考说明-simple C language lexical analysis procedure. Zip can be directly extracted unpacked within a note, please refer to Note

这是一个编译递归子程序，通过输入语句可以判断是否由指定文法推出-This is a recursive routines compiled by the input to determine whether statements can be specified by the grammar launched

一个经典的词法分析器，可解析各种复杂的SQL语句- A classical morphology analyzer, may analyze each kind of complex SQL sentence

LL(1)文法使用的是确定的自顶向下的分析技术。LL(1)的含义是：第一个L表明自顶向下分析是从左向右扫描输入串，第2个L表明分析过程中将使用最左推导，1表明只需向右看一个符号便可决定如何推导，即选择哪个产生式(规则)进行推导。-LL (1) grammar using a set top-down analysis techniques. LL (1) the meaning is: the first one L shows a top-down analysis is a scan input string from left to right, the first two L shows the analysis process will be the most left-derivation, one that will be just right to see a sign can decide how to derive, choose what Production (rules) for derivation. LL (1) grammar, followed by calculation of the discriminant needs FIRST sets, FOLLOW sets and SELLECT set, and then determine whether to LL (1) grammar, the last sentence further analysis.

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.

基于控制台的词法分析器- Based on control bench morphology analyzer