Semantics-Based Composition of Class Hierarchies

  • Authors:
  • Gregor Snelting;Frank Tip

  • Affiliations:
  • -;-

  • Venue:
  • ECOOP '02 Proceedings of the 16th European Conference on Object-Oriented Programming
  • Year:
  • 2002

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Abstract

Class hierarchy composition aims at constructing software systems by composing a set of class hierarchies into an executable system. Current composition algorithms cannot provide semantic guarantees. We present a composition algorithm, together with an interference criterion and its correctness proof, which guarantees that behavior of the original hierarchies is preserved for interference-free compositions. In case of interference, an impact analysis can determine the consequences of integration. The method is based on existing program analysis technology and is illustrated by various examples.