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DOI: 10.4230/LIPIcs.FSCD.2017.18
URN: urn:nbn:de:0030-drops-77394
URL: http://drops.dagstuhl.de/opus/volltexte/2017/7739/
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Hillerström, Daniel ; Lindley, Sam ; Atkey, Robert ; Sivaramakrishnan, K. C.

Continuation Passing Style for Effect Handlers

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LIPIcs-FSCD-2017-18.pdf (0.7 MB)


Abstract

We present Continuation Passing Style (CPS) translations for Plotkin and Pretnar's effect handlers with Hillerström and Lindley's row-typed fine-grain call-by-value calculus of effect handlers as the source language. CPS translations of handlers are interesting theoretically, to explain the semantics of handlers, and also offer a practical implementation technique that does not require special support in the target language's runtime. We begin with a first-order CPS translation into untyped lambda calculus which manages a stack of continuations and handlers as a curried sequence of arguments. We then refine the initial CPS translation first by uncurrying it to yield a properly tail-recursive translation and second by making it higher-order in order to contract administrative redexes at translation time. We prove that the higher-order CPS translation simulates effect handler reduction. We have implemented the higher-order CPS translation as a JavaScript backend for the Links programming language.

BibTeX - Entry

@InProceedings{hillerstrm_et_al:LIPIcs:2017:7739,
  author =	{Daniel Hillerstr{\"o}m and Sam Lindley and Robert Atkey and K. C. Sivaramakrishnan},
  title =	{{Continuation Passing Style for Effect Handlers}},
  booktitle =	{2nd International Conference on Formal Structures for Computation and Deduction (FSCD 2017)},
  pages =	{18:1--18:19},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-95977-047-7},
  ISSN =	{1868-8969},
  year =	{2017},
  volume =	{84},
  editor =	{Dale Miller},
  publisher =	{Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{http://drops.dagstuhl.de/opus/volltexte/2017/7739},
  URN =		{urn:nbn:de:0030-drops-77394},
  doi =		{10.4230/LIPIcs.FSCD.2017.18},
  annote =	{Keywords: effect handlers, delimited control, continuation passing style}
}

Keywords: effect handlers, delimited control, continuation passing style
Seminar: 2nd International Conference on Formal Structures for Computation and Deduction (FSCD 2017)
Issue Date: 2017
Date of publication: 21.08.2017


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