Detecting Structural Refactoring Conflicts Using Critical Pair Analysis |
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Authors: | Tom Mens Gabriele Taentzer Olga Runge |
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Affiliation: | Software Engineering Lab, Université de Mons-Hainaut, B-7000 Mons, Belgium;Technische Universität Berlin, D-10587 Berlin, Germany |
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Abstract: | Refactorings are program transformations that improve the software structure while preserving the external behaviour. In spite of this very useful property, refactorings can still give rise to structural conflicts when parallel evolutions to the same software are made by different developers. This paper explores this problem of structural evolution conflicts in a formal way by using graph transformation and critical pair analysis. Based on experiments carried out in the graph transformation tool AGG, we show how this formalism can be exploited to detect and resolve refactoring conflicts. |
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Keywords: | refactoring restructuring graph transformation critical pair analysis evolution conflicts parallel changes |
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