Software Search and Replace (SSR) is a software transformation and
exploration tool that operates on abstract syntax trees (ASTs), such
as those produced by parsers for C, C++, Javascript, and other
languages. Rules specify which ASTs to match and what actions to take
against matches: for example, users can specify code rewriting actions
to implement sophisticated refactorings. Rule application order,
including simultaneous application, is fully under user control;
multiple SSR passes can be used to iterate to a stable,
fully-rewritten result.
SSR is based on the Software Evolution Library (SEL), a modular
toolkit for representating and manipulating software objects. This
foundation allows SSR to support all languages supported by SEL,
including C, C++, JavaScript, Java, and Common-Lisp.
This material is based upon work supported by the Air Force and DARPA
under Contract(s) No. FA8750-16-C-0007, D16PC00103 and FA8750-20-C-0208. Any opinions, findings and
conclusions or recommendations expressed in this material are those
of the author(s) and do not necessarily reflect the views of
the Air Force or DARPA.
