ASPfun: a typed functional active object calculus

Henrio, Ludovic and Kammueller, Florian and Lutz, Bianca (2012) ASPfun: a typed functional active object calculus. Science of Computer Programming, 77 (7-8). pp. 823-847. ISSN 0167-6423

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Abstract

This paper provides a sound foundation for autonomous objects communicating by remote method invocations and futures. As a distributed extension of ς-calculus we define ASPfun, a calculus of functional objects, behaving autonomously and communicating by a request-reply mechanism: requests are method calls handled asynchronously and futures represent awaited results for requests. This results in an object language enabling a concise representation of a set of active objects interacting by asynchronous method invocations. This paper first presents the ASPfun calculus and its semantics. Then, we provide a type system for ASPfun which guarantees the “progress” property. Most importantly, ASPfun has been formalised; its properties have been formalised and proved using the Isabelle theorem prover and we consider this as an important step in the formalization of distributed languages. This work was also an opportunity to study different binder representations and experiment with two of them in the Isabelle/HOL theorem prover.

Item Type:Article
Keywords (uncontrolled):Theorem proving; object calculus; futures; distribution; typing; binders
Research Areas:School of Science and Technology > Science & Technology
ID Code:9086
Permissions granted by publisher:preprint as permitted by publisher.
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Deposited On:25 May 2012 11:05
Last Modified:22 Jul 2014 00:04

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