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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Checking Framework Interactions with Relationships
verfasst von : Ciera Jaspan, Jonathan Aldrich
Erschienen in: ECOOP 2009 – Object-Oriented Programming
Verlag: Springer Berlin Heidelberg
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Software frameworks impose constraints on how plugins may interact with them. Many of these constraints involve multiple objects, are temporal, and depend on runtime values. Additionally, they are difficult to specify because they are often extrinsic and may break behavioral subtyping. This work introduces
relationships
as an abstraction for specifying framework constraints in FUSION (Framework Usage SpecificatIONs), and it presents a formal description and implementation of a static analysis to find constraint violations in plugin code. We define three variants of this analysis: one is sound, one is complete, and a pragmatic variant that balances these tradeoffs. We prove soundness and completeness for the appropriate variants, and we show that the pragmatic variant can effectively check constraints from real-world programs.