Towards the Harmonisation of UML and SDL - Syntactic and Semantic Alignment

R. Grammes, R. Gotzhein

Technical Report 327/03, Department od Computer Sciences, University of Kaiserslautern, Germany, 2003


UML and SDL are languages for the development of software systems that have different origins, and have evolved separately for many years. Recently, it can be observed that OMG and ITU, the standardisation bodies responsible for UML and SDL, respectively, are making efforts to harmonise these languages. So far, harmonisation takes place mainly on a conceptual level, by extending and aligning the set of language concepts. In this paper, we argue that harmonisation of languages can be approached both from a syntactic and semantic perspective. We show how a common syntactical basis can be derived from the analysis of the UML meta-model and the SDL abstract grammar. For this purpose, conceptually sound and well-founded mappings from metamodels to abstract grammars and vice versa are defined and applied. On the semantic level, a comparison between corresponding language constructs is performed.


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