School of Computing

OCL 2.0: Implementing the Standard

David Akehurst, Peter Linington, and Octavian Patrascoiu

Technical report, University of Kent, Computing Laboratory, November 2003.

Abstract

OCL 2.0 is the newest version of the OMGs constraint language to accompany their suit of Object Oriented modelling languages. The use of OCL as an accompanying constraint and query language for modelling with these languages is essential. As tools are built to support the modelling languages, it is also necessary to implement the OCL. This paper reports our experience of implementing OCL based on the latest version of the OMGs OCL standard, UML models and MDA [17] techniques supported by the Kent Modelling Framework (KMF) [12], developed at the University of Kent. We provide an efficient LALR grammar for parsing the language and describe an architecture that enables the language to be bridged to any other modelling framework or tool. We also provide both syntactic and semantic models, which were used as inputs for KMFStudio [12] in order to generate Java code. In addition we give feedback on problems and ambiguities discovered in the standard, with some suggested solutions.

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Bibtex Record

@techreport{1746,
author = {David Akehurst and Peter Linington and Octavian Patrascoiu},
title = {{OCL 2.0}: {I}mplementing the {S}tandard},
month = {November},
year = {2003},
pages = {41},
keywords = {UML OCL model modelling compiler interpreter},
note = {},
doi = {},
url = {http://www.cs.kent.ac.uk/pubs/2003/1746},
    publication_type = {techreport},
    submission_id = {10581_1069243622},
    institution = {University of Kent, Computing Laboratory},
}

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