TAILIEUCHUNG - Báo cáo "A GRAPHICAL EDITOR FOR THE STATECHARTS LANGUAGE "

Statecharts is a specification language which is derived from finite– state machines and it is a powerful visual formalism for specifying discrete event systems. Statechart diagrams capture the behaviour of entities by specifying the responses to possible event instances. Statecharts language has also a lot of features for diagram structure. Until now, some tools and software are developed to construct Statechart diagrams, however, they are neither complicated nor difficult. This paper presents a new graphical editor for the Statecharts graphical language with hierarchy, flexibility, and simplicity. . | VNU. JOURNAL OF SCIENCE Mathematics - Physics N03 2005 A GRAPHICAL EDITOR FOR THE STATECHARTS LANGUAGE Tran Vu Viet Anh Research and Development Division VietSoftware Inc. Hanoi Nguyen Viet Ha Faculty of Information Technology College of Technology VNU Abstract. Statecharts is a specification language which is derived from finite-state machines and it is a powerful visual formalism for specifying discrete event systems. Statechart diagrams capture the behaviour of entities by specifying the responses to possible event instances. Statecharts language has also a lot of features for diagram structure. Until now some tools and software are developed to construct Statechart diagrams however they are neither complicated nor difficult. This paper presents a new graphical editor for the Statecharts graphical language with hierarchy flexibility and simplicity. 1. Introduction Statechart 3 4 is a powerful visual formalism for specifying discrete event systems. It retains the visual and intuitive appeal inherent for state transition systems and extends these systems in three ways Hierarchy Orthogonal concurrency and Broadcast communication. Statechart diagrams capture the behaviour of entities by specifying the responses to possible event instances. Statechart descriptions can be readily simulated and translated into other programming languages. As a good role of Statecharts for a hardware specification language and discrete event systems there are many approaches to build a tool software that make use of Statecharts. However produced tools are someway inconvenient like cannot handle a large diagram quite old or no longer support typical costly. In order to make our project of mapping Statecharts into Verilog 11 - 13 we have built a Statecharts editor with three main purposes First of course is for editing Statecharts diagrams. The editor should be convenient to use and easy to draw. It should also allow other components of Statecharts diagram to be drawn. Second it .

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