Abstract
In formal verification of software product families one not only analyses programs, but must act on the artifacts and components which are reused to obtain software products. As the number of products is exponential in the number of artifacts, it is crucial to perform verification in a modular way. When code reuse is based on class inheritance in OO programming, Liskov’s principle is a standard device to achieve modular verification. Software families, however, employ other variability modeling techniques than inheritance. Delta-oriented programming is an approach to implement a family of programs where code reuse is achieved via gradual transformation of a core program. We define a Liskov principle for delta-oriented programming and show that it achieves modular verification of software families developed in that paradigm.
Partly funded by the EU project FP7-231620 HATS ( http://www.hats-project.eu ) and by the German Science Foundation (SCHA1635/2-1).
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Hähnle, R., Schaefer, I. (2012). A Liskov Principle for Delta-Oriented Programming. In: Margaria, T., Steffen, B. (eds) Leveraging Applications of Formal Methods, Verification and Validation. Technologies for Mastering Change. ISoLA 2012. Lecture Notes in Computer Science, vol 7609. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-34026-0_4
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