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Erschienen in:
2009 | OriginalPaper | Buchkapitel
A Transformational Approach to Polyvariant BTA of Higher-Order Functional Programs
verfasst von : Gustavo Arroyo, J. Guadalupe Ramos, Salvador Tamarit, Germán Vidal
Erschienen in: Logic-Based Program Synthesis and Transformation
Verlag: Springer Berlin Heidelberg
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We introduce a
transformational
approach to improve the first stage of offline partial evaluation of functional programs, the so called binding-time analysis (BTA). For this purpose, we first introduce an improved defunctionalization algorithm that transforms higher-order functions into first-order ones, so that existing techniques for termination analysis and propagation of binding-times of first-order programs can be applied. Then, we define another transformation (tailored to defunctionalized programs) that allows us to get the accuracy of a polyvariant BTA from a monovariant BTA over the transformed program. Finally, we show a summary of experimental results that demonstrate the usefulness of our approach.