一个用于学习的编译器 ，系统的一般构造原理、基本设计方法、主要实现技术和一些自动构造工具,主要由语言基础知识、词法分析、语法分析、中间代码生成、代码优化、目标代码生成、符号表的构造和运行时存储空间的组织等8部分组成。-a study for the compiler, the system's general tectonic theory, the basic design method main technical and automatically constructs some tools, mainly by the basic knowledge of language, lexical analysis, parsing, intermediate code generation, code optimization, object code generation, symbol table structure and operation of storage space at the organization of eight components.