从一个开源软件中摘取的正则表达式模块，是学习正则表达式、编译原理的好东西。...

c编译器包括目标码生成-c compiler code generation, including goals

一个可以在dos下 也可以在z80下的编译器程序 是源程序 望大家耐心去看-one can dos under the Z80 under the compiler source process is that everyone would look to see

新编的编译原理程序- Newly organized translation principle procedure

上个用VHDL语言写的音乐程序,希望对大家能够有帮助-In the use of VHDL language music program, and they hope to have everyone be able to help

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)文法的判别需要依次计算FIRST集、FOLLOW集和SELLECT集,然后判断是否为LL(1)文法,最后再进行句子分析。 -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.

第一次哦，不好不说哦，不好怪自己哈 。-first Oh, oh, not bad, not blaming themselves Kazakhstan.

unix v6 的c compiler 很老了 ，但很有研究价值-unix v6 the c compiler is very old, but great research value

词法分析器（编译原理）- Morphology analyzer (translation principle)