Operational semantics of a parallel object-oriented language

  • Authors:
  • Pierre America;Jaco de Bakker;Joost N. Kok;Jan J. M. M. Rutten

  • Affiliations:
  • -;-;-;-

  • Venue:
  • POPL '86 Proceedings of the 13th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
  • Year:
  • 1986

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Abstract

In this paper the semantics of the programming language POOL is described. It is a language that integrates the object-oriented structure of languages like Smalltalk-80 with facilities for concurrency and communication like the ones in Ada. The semantics is described in an operational way; it is based on transition systems. By using a way of representing parallel processes that is different from the traditional one, it is possible to overcome some difficulties pertaining to the latter. The resulting semantics shows a close resemblance with the informal language description and at the same time there are good prospects that it can serve as a secure guide for the implementation of the language. Also a variant is given in which more and maximal parallelism can be expressed in a very natural way.