说明： 用delphi实现的PL/0的编译器，结果生成三元式，并且生成可以运行的PL/0地目标程序，非常好用，对于各位学习编译原理的兄弟姐妹来说是不可多得的好东西！ (achieved using PL/0 compiler, generating 3-, and generates can run PL/0 to target procedures, very good, compiler for you to learn the tenets of our brothers and sisters is a very good thing!)
