【摘要】 介绍一种扩充现有解释器的实用方法。从一种名为Hoc的简单脚本语言,扩充到一种全功能的2D绘图语言Easydraw,展示如何扩充已有解释器,并提出进一步的扩充方法。在此基础上展示如何编写实际项目中的脚本语言。更多还原

【Abstract】 Introducing a practical way to extend the interpreter.Adapted from a script language hoc, produce a full functional 2D drawing language Easydraw, show the enhancing progress and the next step to extend .This essay will help others to implementing script language in real project to some extent.更多还原