scholarly journals A logic programming language with lambda-abstraction, function variables, and simple unification

2006 ◽  
pp. 253-281 ◽  
Author(s):  
Dale Miller
Keyword(s):  
Logic Programming ◽  
Programming Language ◽  
Logic Programming Language

scholarly journals From Interpreter to Logic Engine by Defunctionalization

2003 ◽  
Vol 10 (25) ◽  
Author(s):  
Dariusz Biernacki ◽  
Olivier Danvy
Keyword(s):  
Logic Programming ◽  
Programming Language ◽  
Operational Semantics ◽  
Lambda Calculus ◽  
Transition System ◽  
Abstract Machine ◽  
Logic Programming Language ◽  
Delimited Continuations ◽  
Simple Logic ◽  
Control Operators

Starting from a continuation-based interpreter for a simple logic programming language, propositional Prolog with cut, we derive the corresponding logic engine in the form of an abstract machine. The derivation originates in previous work (our article at PPDP 2003) where it was applied to the lambda-calculus. The key transformation here is Reynolds's defunctionalization that transforms a tail-recursive, continuation-passing interpreter into a transition system, i.e., an abstract machine. Similar denotational and operational semantics were studied by de Bruin and de Vink in previous work (their article at TAPSOFT 1989), and we compare their study with our derivation. Additionally, we present a direct-style interpreter of propositional Prolog expressed with control operators for delimited continuations.<br /><br />Superseded by BRICS-RS-04-5.

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