hlint does this to some extent (at least I have some copy-pasted code it keeps on pleading me to remove duplication). Doug On Mon, Dec 7, 2020 at 8:24 AM Johannes Waldmann < johannes.waldmann@htwk-leipzig.de> wrote:
very cool feature would be if I could select a program phrase and let it find /similar/ phrases, where a similarity metric could be edit-distance with respect to language tokens ...
I often wanted a tool that finds (nearly) duplicate AST sub-trees in a large code base, and suggests refactorings.
Of course, in an IDE, it could alert me on-the-fly that I'm typing some code that's already present elsewhere.
How might one go about implementing this? Actual (approximate) sub-tree matching seems the easy part; but I have no clear idea about whether this should just use syntax, or needs types as well (my guess is: yes) what libraries are there to provide the (annotated) ASTs, etc.
- J.W. _______________________________________________ Haskell-Cafe mailing list To (un)subscribe, modify options or view archives go to: http://mail.haskell.org/cgi-bin/mailman/listinfo/haskell-cafe Only members subscribed via the mailman list are allowed to post.