Flexible and extensible notations for modeling languages

  • Authors:

  • Jimin Gao;Mats Heimdahl;Eric Van Wyk

  • Affiliations:

  • Department of Computer Science and Engineering, University of Minnesota;Department of Computer Science and Engineering, University of Minnesota;Department of Computer Science and Engineering, University of Minnesota

  • Venue:
  • FASE'07 Proceedings of the 10th international conference on Fundamental approaches to software engineering
  • Year:
  • 2007

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Abstract

In model-based development, a formal description of the software (the model) is the central artifact that drives other development activities. The availability of a modeling language well-suited for the system under development and appropriate tool support are of utmost importance to practitioners. Considering the diverse needs of different application domains, flexibility in the choice of modeling languages and tools may advance the industrial acceptance of formal methods. We describe a flexible modeling language framework by which language and tool developers may better meet the special needs of various users groups without incurring prohibitive costs. The framework is based on a modular and extensible implementation of languages features using attribute grammars and forwarding. We show a prototype implementation of such a framework by extending the host language Mini-Lustre, an example synchronous data-flow language, with a collection of features such as state transitions, condition tables, and events. We also show how new languages can be created in this framework by feature composition.