Contextual hyperedge replacement

  • Authors:
  • Frank Drewes;Berthold Hoffmann;Mark Minas

  • Affiliations:
  • Umeå Universitet, Sweden;DFKI Bremen and Universität Bremen, Germany;Universität der Bundeswehr München, Germany

  • Venue:
  • AGTIVE'11 Proceedings of the 4th international conference on Applications of Graph Transformations with Industrial Relevance
  • Year:
  • 2011

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Abstract

In model-driven design, the structure of software is commonly specified by meta-models like uml class diagrams. In this paper we study how graph grammars can be used for this purpose, using statecharts as an example. We extend context-free hyperedge-replacement--which is not powerful enough for this application--so that rules may not only access the nodes attached to the variable on their left-hand side, but also nodes elsewhere in the graph. Although the resulting notion of contextual hyperedge replacement preserves many properties of the context-free case, it has considerably more generative power--enough to specify software models that cannot be specified by class diagrams.