本编译器为扩充C0文法编译器，包含词法分析、语法分析、语义分析、四元式程序设计、符号表管理、错误处理、动态运行栈设计及优化程序设计-C0 as the expansion of the grammar compiler compilers, including lexical analysis, syntax analysis, semantic analysis, four-style programming, symbol table management, error handling,