Istituto di Scienza e Tecnologie dell'Informazione     
Ter Beek M. H., Lluch Lafuente A., Petrocchi M. Combining declarative and procedural views in the feature-oriented specification and analysis of product families. In: ICTCS 2013 - 14th Italian Conference on Theoretical Computer Science (Palermo, Italy, 9-11 September 2013). Atti, pp. 69 - 77. UniversitÓ degli Studi di Palermo, 2013.
We present the recently introduced feature-oriented language FLan as a proof of concept for specifying both declarative aspects of product families, namely constraints on their features, and procedural aspects, namely feature configuration and run-time behaviour. FLan is inspired by the concurrent constraint programming paradigm. A store of constraints allows one to specify in a declarative way all the constraints on features that are commonly used in software product line engineering, including the cross-tree constraints well known from feature models. A standard yet rich set of process-algebraic operators allows one to specify in a procedural way the configuration and behaviour of products. There is a close interaction between these two views: (i) the execution of a process is constrained by its store to forbid undesired configurations; (ii) a process can query a store to resolve design and behavioural choices; (iii) a process can update the store by adding new features.
URL: http://www.unipa.it/ictcs13/accepted.html
Subject Product families
Process algebra
Concurrent constraint programming
Behavioural analyses
D.2.4 Software/Program Verification. Formal methods
D.2.4 Software/Program Verification. Model checking
D.2.4 Software/Program Verification. Validation

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