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Dependency-based groundness analysis of functional logic programs
Linköping University, Department of Computer and Information Science. Linköping University, The Institute of Technology.
1993 (English)Licentiate thesis, monograph (Other academic)
Abstract [en]

The object of study in this thesis is a class of functional logic programs, where the functions are implemented in an external functional or imperative language. The contributions are twofold:

Firstly, an operational semantics is formally defined. The key idea is that non-ground function calls selected for unification are delayed and retained in form of constraints until their arguments become ground. With this strategy two problems arise: (1) Given a program P and an initial goal, will any delayed unifications remain unresolved after computation? (2) For every function call f(X) in P, find a safe evaluation point for f(X), i.e. a point in P where X always will be bound to a ground term, and thus f(X) can be evaluated.

Secondly, we present a static groundness analysis technique which enables us to solve problems (1) and (2) in a uniform way. The analysis method is dependency-based, exploiting analogies between logic programs and attribute grammars.

Place, publisher, year, edition, pages
Linköping: Univ. , 1993. , p. 64
Series
Linköping Studies in Science and Technology. Thesis, ISSN 0280-7971 ; 398
National Category
Computer Sciences
Identifiers
URN: urn:nbn:se:liu:diva-163264Local ID: LiU-TEK-Lic 1993:40ISBN: 917871169X (print)OAI: oai:DiVA.org:liu-163264DiVA, id: diva2:1388006
Available from: 2020-01-23 Created: 2020-01-23 Last updated: 2020-01-24Bibliographically approved

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Citation style
  • apa
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Language
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  • nn-NB
  • sv-SE
  • Other locale
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Output format
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