Observing Functional Logic Computations

Brassel, Bernd and Chitil, Olaf and Hanus, Michael and Huch, Frank (2004) Observing Functional Logic Computations. In: Proc. of the Sixth International Symposium on Practical Aspects of Declarative Languages (PADL'04), JUN 18-19, 2004, Dallas, TX, . (Full text available)

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Abstract

A lightweight approach to debugging functional logic programs by observations is presented, implemented for the language Curry. The Curry Object Observation System (COOSy) comprises a portable library plus a viewing tool. A programmer can observe data structures and functions by annotating expressions in his program. The possibly partial values of observed expressions that are computed during program execution are recorded in a trace file, including information on non-deterministic choices and logical variables. A separate viewing tool displays the trace content. COOSy covers all aspects of modern functional logic multiparadigm languages such as lazy evaluation, higher order functions, non-deterministic search, logical variables, concurrency and constraints. Both use and implementation of COOSy are described.

Item Type: Conference or workshop item (UNSPECIFIED)
Uncontrolled keywords: functional logic programming, debugging, tracing, Curry
Subjects: Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming,
Divisions: Faculties > Science Technology and Medical Studies > School of Computing > Theoretical Computing Group
Depositing User: Mark Wheadon
Date Deposited: 24 Nov 2008 18:02
Last Modified: 06 Sep 2011 01:24
Resource URI: http://kar.kent.ac.uk/id/eprint/14150 (The current URI for this page, for reference purposes)
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