Class and module in SOFL

Shaoying Liu, J. Dong
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引用次数: 1

Abstract

SOFL is a formal language and method for system specification and design. It was developed by integrating Petri Nets, Data Flow Diagrams, and VDM-SL. As the major feature of the original SOFL method is to use structured techniques for analysis and specification, and object-oriented techniques for design and implementation, SOFL has its own implementation language that is similar to C++. However during our recent work of applying SOFL to software systems, the transformation of structured specifications to object-oriented implementations creates some difficulties, simply because of paradigms mismatch. In this paper we extend SOFL to a formal object-oriented language and method while keeping its structured features. This will allow powerful object-oriented reuse mechanisms, such as class inheritance and object composition, to be utilized in the early phases, and transformation from SOFL specifications to commercial object-oriented programming languages to be readily achieved.
类和模块在SOFL
SOFL是系统规范和设计的形式化语言和方法。它是通过集成Petri网、数据流程图和VDM-SL开发的。由于原始SOFL方法的主要特点是使用结构化技术进行分析和规范,使用面向对象技术进行设计和实现,因此SOFL有自己的实现语言,类似于c++。然而,在我们最近将SOFL应用于软件系统的工作中,结构化规范到面向对象实现的转换产生了一些困难,这仅仅是因为范式不匹配。本文将SOFL扩展为一种正式的面向对象的语言和方法,同时保留了其结构化的特点。这将允许在早期阶段使用强大的面向对象重用机制,例如类继承和对象组合,并且可以很容易地实现从SOFL规范到商业面向对象编程语言的转换。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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