Script Interpreter uses Lex/Flex as tools of lexical analysis and lexical analyzer generator, and uses Yacc/Bison as tools of syntax analysis and syntax tree generator generating.

• 脚本解释器采用Lex/Flex作为词法分析和词法分析器生成工具，Yacc/Bison作为语法分析和语法树生成器的生成工具。