A Weakest Precondition Semantics for an Object-Oriented Language of Refinement

  • Authors:
  • Ana Cavalcanti;David A. Naumann

  • Affiliations:
  • -;-

  • Venue:
  • FM '99 Proceedings of the Wold Congress on Formal Methods in the Development of Computing Systems-Volume II
  • Year:
  • 1999

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Abstract

We define a predicate-transformer semantics for an object-oriented language that includes specification constructs from refinement calculi. The language includes recursive classes, visibility control, dynamic binding, and recursive methods. Using the semantics, we formulate notions of refinement. Such results are a first step towards a refinement calculus.