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Refactoring = Substitution + Rewriting: Towards Generic, Language-Independent Refactorings

Authors Simon Thompson , Dániel Horpácsi

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Author Details

Simon Thompson
  • School of Computing, University of Kent, Canterbury, UK
  • Faculty of Informatics, Eötvös Loránd University, Budapest, Hungary
Dániel Horpácsi
  • Faculty of Informatics, Eötvös Loránd University, Budapest, Hungary

Funding

  • Thompson, Simon: With support from the UK Engineering and Physical Sciences Research Council awards EP/N028759/1, EP/C524969/1, GR/R75052/01 and EP/T014512/1.
  • Horpácsi, Dániel: With support from the NRDI Fund of Hungary and financed under the Thematic Excellence Programme TKP2020-NKA-06 (National Challenges Subprogramme) funding scheme.

Cite AsGet BibTex

Simon Thompson and Dániel Horpácsi. Refactoring = Substitution + Rewriting: Towards Generic, Language-Independent Refactorings. In Eelco Visser Commemorative Symposium (EVCS 2023). Open Access Series in Informatics (OASIcs), Volume 109, pp. 26:1-26:9, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2023)
https://doi.org/10.4230/OASIcs.EVCS.2023.26

Abstract

Eelco Visser’s work has always encouraged stepping back from the particular to look at the underlying, conceptual problems. In that spirit we present an approach to describing refactorings that abstracts away from particular refactorings to classes of similar transformations, and presents an implementation of these that works by substitution and subsequent rewriting. Substitution is language-independent under this approach, while the rewrites embody language-specific aspects. Intriguingly, it also goes back to work on API migration by Huiqing Li and the first author, and sets refactoring in that general context.

Subject Classification

ACM Subject Classification
  • Software and its engineering → Software evolution
Keywords
  • refactoring
  • generic
  • language independent
  • rewriting
  • substitution
  • API upgrade

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References

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