License: Creative Commons Attribution 3.0 Unported license (CC BY 3.0)
When quoting this document, please refer to the following
DOI: 10.4230/LIPIcs.ECOOP.2020.1
URN: urn:nbn:de:0030-drops-131582
URL: http://dagstuhl.sunsite.rwth-aachen.de/volltexte/2020/13158/
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Ancona, Davide ; Barbieri, Pietro ; Dagnino, Francesco ; Zucca, Elena

Sound Regular Corecursion in coFJ

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Abstract

The aim of the paper is to provide solid foundations for a programming paradigm natively supporting the creation and manipulation of cyclic data structures. To this end, we describe coFJ, a Java-like calculus where objects can be infinite and methods are equipped with a codefinition (an alternative body). We provide an abstract semantics of the calculus based on the framework of inference systems with corules. In coFJ with this semantics, FJ recursive methods on finite objects can be extended to infinite objects as well, and behave as desired by the programmer, by specifying a codefinition. We also describe an operational semantics which can be directly implemented in a programming language, and prove the soundness of such semantics with respect to the abstract one.

BibTeX - Entry

@InProceedings{ancona_et_al:LIPIcs:2020:13158,
  author =	{Davide Ancona and Pietro Barbieri and Francesco Dagnino and Elena Zucca},
  title =	{{Sound Regular Corecursion in coFJ}},
  booktitle =	{34th European Conference on Object-Oriented Programming (ECOOP 2020)},
  pages =	{1:1--1:28},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-154-2},
  ISSN =	{1868-8969},
  year =	{2020},
  volume =	{166},
  editor =	{Robert Hirschfeld and Tobias Pape},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/opus/volltexte/2020/13158},
  URN =		{urn:nbn:de:0030-drops-131582},
  doi =		{10.4230/LIPIcs.ECOOP.2020.1},
  annote =	{Keywords: Operational semantics, coinduction, programming paradigms, regular terms}
}

Keywords: Operational semantics, coinduction, programming paradigms, regular terms
Collection: 34th European Conference on Object-Oriented Programming (ECOOP 2020)
Issue Date: 2020
Date of publication: 06.11.2020

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