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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Code Generation via Higher-Order Rewrite Systems
verfasst von : Florian Haftmann, Tobias Nipkow
Erschienen in: Functional and Logic Programming
Verlag: Springer Berlin Heidelberg
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We present the meta-theory behind the code generation facilities of Isabelle/HOL. To bridge the gap between the source (higher-order logic with type classes) and the many possible targets (functional programming languages), we introduce an intermediate language, Mini-Haskell. To relate the source and the intermediate language, both are given a semantics in terms of higher-order rewrite systems (HRSs). In a second step, type classes are removed from Mini-Haskell programs by means of a dictionary translation; we prove the correctness of this step. Building on equational logic also directly supports a simple but powerful algorithm and data refinement concept.