本书深入讨论了编译器设计的重要主题，包括词法分析、语法分析、语法制导分析、类型检查、运行环境、中间代码生成、代码生成、代码优化等-This book discusses the important theme of the compiler design, including lexical analysis, syntax analysis, syntax analysis, type checking, running environment, intermediate code generation, code generation, code optimization