A semantics of multiple inheritance.
Proc. of the international symposium on Semantics of data types
Eiffel: the language
A behavioral notion of subtyping
ACM Transactions on Programming Languages and Systems (TOPLAS)
Types as abstract interpretations
Proceedings of the 24th ACM SIGPLAN-SIGACT symposium on Principles of programming languages
Making abstract interpretations complete
Journal of the ACM (JACM)
Concepts of behavioral subtyping and a sketch of their extension to component-based systems
Foundations of component-based systems
POPL '77 Proceedings of the 4th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
Systematic design of program analysis frameworks
POPL '79 Proceedings of the 6th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
Class-level modular analysis for object oriented languages
SAS'03 Proceedings of the 10th international conference on Static analysis
Abstract Interpretation and Object-oriented Programming: Quo Vadis?
Electronic Notes in Theoretical Computer Science (ENTCS)
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In mainstream object oriented languages the subclass relation is defined in terms of subtyping, i.e. a class A is a subclass of B if the type of A is a subtype of B. In this paper this notion is extended to consider arbitrary class properties obtained by a modular static analysis of the class. In such a setting, the subclass relation boils down to the order relation on the abstract domain used for the analysis of the classes. Furthermore we show how this approach yields a more semantic characterization of class hierarchies and how it can be used for an effective modular analysis of polymorphic code.