用C语言实现的PL0词法分析器，简单易用，初学编译原理的同学可以-C language realization PL0 of lexical analyzer, ease of use，Beginners compiling principle of the students can have a look

编译原理扫描器，按照有限自动机和词法分析器的原理制作而成。-The compiler theory scanner, made in accordance with the principle of finite automata and lexical analyzer.