Java程式之探索器

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Title:	Java程式之探索器
Other Titles:	An Exploror of Java Code
Authors:	廖賀田;陶彥樺
Contributors:	淡江大學資訊管理學系
Keywords:	檢測;開架式存取;範圍;Inspector;Open-access;Scope
Date:	2001-09
Issue Date:	2009-11-30 13:13:51 (UTC+8)
Publisher:	臺灣大學資工系資訊學會
Abstract:	在普通的程式環境下，使用者若臨時想要存取物件或叫用函數，都必須耗費時間在重新編譯上。我們為Java語言提出一個程式探索器，稱為OAI。它讓使用者可以隨時讀寫物件欄位並呼叫物件方法。 Java語言所用到的全名（fully qualified name）常包含很多層的套件及欄位。我們為程式環境提出“目前工作範圍”（current working scope，CWS）的概念。這讓使用者可以用簡名（simple name）來表示所要操控的對象。目前工作範圍分為(1)物件實體範圍，(2)類別範圍，(3)套件範圍，各有不同的性質。OAI的運作平行於作業系統的Shell，我們也引入類似於微軟檔案總管的視窗介面，讓使用介面更友善，更有效率。 OAI的應用領域主要有: (1)加速各種程式庫(class library)的學習過程. (2) 加速軟體的開發與檢測. (3) 可當成萬用交談介面. OAI已實作完成，並實際應用在淡江大學的教學課程上。此外，本系所開發的“形式語言輔助軟體”也用OAI當作使用介面。 In an ordinary program environment, if a user want to access temporarily a field or a method of an object, he/she always must spent extra time in re-compiling. We propose OAI, an explorer for Java codes, in this paper. In OAI, users can dynamically reading/writing any field of an object as well as invoking any method of it. The fully qualified name in Java usually contains a long list of identifiers of packages and fields. The concept of “current working scope (CWS)” is proposed so that users of a program environment can key-in a simple name in place of a fully qualified name. CWS’s are classified into three categories: (1) “instance scopes”, (2) “class scopes”, and (3) “package scopes”, each one display individual behavior. The operations in OAI are parallel to that in a shell, and a GUI-interface similar to the Microsoft’s file manager (or explorer) is implemented so that our user interface will be more friendly and more efficiency. The primary application field of OAI are: (1) speeding up the learning of a class library, (2) speeding up the development and testing of software, and (3) serving as a general-purpose interactive user interface. The prototype of OAI has been implemented. It is successfully used in a course of Tamkang University. Furthermore, it is the user interface of a package “Formal Language Assistance System”.
Relation:	中華民國資訊學會通訊 4(3), p.83-94
Appears in Collections:	[Graduate Institute & Department of Information Management] Journal Article

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