语法制导的通用结构化编辑器的面向对象设计

OBJECT-ORIENTED DESIGNING IN THE GENERAL SYNTAX DIRECTED STRUCTURAL EDITOR

通用结构化编辑器(以下简称GSE)是编辑系统研究的一个重要分支。本文介绍了如何用面向对象的方法来分析、设计和实现一个GSE的过程。本文提出的GSE融语法制导的结构化编辑器和正文编辑器于一身,克服了一般的结构化编辑操作限制太多、而正文编辑又缺乏语法制导的弱点,真正达到了两者的和谐统一,而且用面向对象方法开发本系统,使其具有较强的可重用性和易维护性。

Geneial Structural Editor (G8E) is one of the most important research aspects of editor system. This paper tries to describe the process of analysising, designing and implementing a GSE using the Object-Oriented developing method. The GSE presented here integrates the features of both structural editor and text editor. It overcomes the limitations of common structural editor and the weakness of text editor which is lack of syntax direction. Since it is developed with OO method, there are many advantages over those editors which are developed using other methods such as waterfall model.