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EMWDA Working Group on Meta-models for Existing Languages

EMWDA Working Group on Meta-models for Existing Languages. I ssue. Is it useful and/or desirable to define meta-models (potentially MOF-Based) for existing formal languages? For example SDL, MSC or VHDL. Or Ada, Java, C++. P eople Attending. Rasmus Fogh Girish Maskeri Laurie Tratt

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EMWDA Working Group on Meta-models for Existing Languages

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  1. EMWDA Working Group on Meta-models for Existing Languages

  2. Issue • Is it useful and/or desirable to define meta-models (potentially MOF-Based) for existing formal languages? For example SDL, MSC or VHDL. Or Ada, Java, C++.

  3. People Attending • Rasmus Fogh • Girish Maskeri • Laurie Tratt • Salim Bouzitouna • Zhen Ru Dai • Aris Georgalas • Anastasius Gavras • Jan Aagedal

  4. Solution • Is it useful? Yes. • data models or semantically-rich models? • semantics often already externally defined, but sometimes one needs semantics to exchange models

  5. Advantages of the solution • What to do with such instances of such meta-models? • Map to other models • Analysis of models • Simulation • Common representation • Tool integration and reuse • Easier to define the semantics of a new language in a meta-model than in traditional ways • Can get a graphical representation of the language

  6. Disadvantages of the solution • Redo everything done before? • Existing tools, e.g. for Z, are already quite advanced (refinement techniques, model checking) • Textual representations can be useful

  7. To Be Done • Find existing work on this in other communities • STEP/EXPRESS? • System Engineering? • SDL? MSC? (Humboldt University) • TTCN (Fraunhofer FOKUS)

  8. Roadmap for the solution • The other communities should pick up on this... • A methodology for how to take BNF to become a meta-model

  9. Related Issues • Read the book at www.xactium.com on how to do meta-modelling

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