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Tool support for CSP-CASL. / Andy Gimblett

Swansea University Author: Andy Gimblett

Abstract

This work presents the design of the specification language CSP-CASL, and the design and implementation of parsing and static analysis tools for that language. CSP-CASL is an extension of the algebraic specification language CASL, adding support for the specification of reactive systems in the style...

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Published: 2008
Institution: Swansea University
Degree level: Master of Philosophy
Degree name: M.Phil
URI: https://cronfa.swan.ac.uk/Record/cronfa42715
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Abstract: This work presents the design of the specification language CSP-CASL, and the design and implementation of parsing and static analysis tools for that language. CSP-CASL is an extension of the algebraic specification language CASL, adding support for the specification of reactive systems in the style of the process algebra CSP. While CSP-CASL has been described and used in previous works, we present the first formal description of the language's syntax and static semantics. Indeed, this is the first formalisation of the static semantics of any CSP-like language of which we are aware. We describe Csp-Casl both informally and formally. We introduce and systematically describe its various components, with examples, and consider various design decisions made along the way. On the formal side, we present grammars for its abstract and concrete syntax, specify its static semantics in the style of natural semantics, and formulate a solution to the problem of computation of local lop elements of Csp-Casl specifications. Going on, we describe tool support for the language, as implemented using the functional programming language Haskell, in particular, we have a parser utilising the monadic combinator library Parsec, and a static analyser directly implementing our static semantics in Haskell. The implementation extends Hets, an existing toolset for specifications written in heterogeneous combinations of languages based on Casl.
Keywords: Computer science.
College: Faculty of Science and Engineering

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