扩展后的mini-pl0语法编译器，具体语法见压缩包中的文件介绍。用lex和yacc编写。含15个测试用例。-expansion of the mini-pl0 syntax compiler, the specific syntax compressed see the introduction of documents. Lex generates and with the preparation. With 15 Test Case.

PL/0语言的语法描述PL/0语言可以看成PASCAL语言的子集，它的编译程序是一个编译解释执行系统 -PL/0 language to describe the syntax of PL/0 language can be seen as a subset of PASCAL language, its compiler is a compiler to explain the implementation of the system

lex-yacc编写pl0解释器 编译器-lex-yacc compiler interpreter written pl0

1 PL0语言词法分析器的LEX源程序 2 PL0语言语法分析器的YACC源程序 3 LEX和YACC工具生成的C源程序 4 可对PL0语言进行语法分析的可执行程序 -1 PL 0 LEX source language lexical analyzer 2 PL0 source language parser YACC 3 LEX and YACC tool to generate C source 4 can PL0 language parsing execut