Abstract: This paper proposes a theoretical framework for separation of concerns in the formal specification of reactive and real-time systems. This framework consists of the syntax and the semantics of three languages (and all meaningful combinations thereof) that each address a separate concern. The first language, Gamma (a variant of an exist- ing language) is used to define the functionality of a system (by means of a set of basic data transformations). Our additions are a simple language of intervals specifying timing- properties of basic transformations and a language (called Schedules) for specifying the coordination of the basic Gamma transformations. Each of these languages formally mod- els a separate aspect of a system and statements in these languages can be reused, changed or analyzed in their own right. Our key contribution is that we provide a formal framework in which different combinations of aspects have a well-defined semantics. ACM CCS Categories and Subject Descriptors: F.3 (Logics and Meanings of Pro- grams); D.3.1 (Formal Definitions and Theory); D.1.3 (Concurrent Programming)
Publication Year: 2015
Publication Date: 2015-01-01
Language: en
Type: article
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Cited By Count: 1
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