Semi-inversion of functional parameters

  • Authors:
  • Torben Ægidius Mogensen

  • Affiliations:
  • University of Copenhagen, Copenhagen, Denmark

  • Venue:
  • PEPM '08 Proceedings of the 2008 ACM SIGPLAN symposium on Partial evaluation and semantics-based program manipulation
  • Year:
  • 2008

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Abstract

Semi-inversion is a generalisation of inversion: A semi-inverse of a program takes some of the inputs and outputs of the original programand returns the remaining inputs and outputs. Previous papers by the author have described semi-inversion for a first-order functional language. We now extend semi-inversion to handle functions as parameters. We start by summarising the steps of the semi-inversion transformation for first-order functional languages and then describes how these steps can be extended to handle functions as parameters and illustrate this by a running example. It turns out that, even with the fairly modest extension of the language, the resequentialisation step of the semi-inversion transformation is considerably complicated. We conclude by comparison with related work and discussion of future developments.