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Dealing with Explicit Exceptions in Prolog

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Existing logic languages provide some simple " extra-logical " constructs for control manipulation , such as the cut of standard Prolog and the exception handling constructs of other versions of Prolog (e.g. SICStus Prolog). Aspects specifically concerning the flow of control in a language can be quite naturally modelled by means of the Denotational Semantics, and in particular the Denotational Semantics with Continuations. In this paper we define a De-notational Semantics with Continuations to model the flow of control of a small fragment of a logic language with an explicit exception handling mechanism. Finally we show how the cut operator can be simulated by an appropriate use of the characterized exception handling constructs.
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hal-01157221 , version 1 (27-05-2015)


  • HAL Id : hal-01157221 , version 1


Luigi Liquori, Maria Luisa Sapino. Dealing with Explicit Exceptions in Prolog. 1994 Joint Conference on Declarative Programming, GULP-PRODE'94 Peniscola, Spain, September 19-22, 1994, Sep 1994, Peniscola, Spain. pp.296-308. ⟨hal-01157221⟩


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