[Haskell-cafe] GSoC proposal: Haskell AST-based refactoring and API upgrading tool

[Alexander Kjeldaas]

There is another aspect to this:  How do you get maintainers to apply the
patches?  How should hackage be changed to accomodate large-scale
refactorings?

There was a discussion on this mailing list related to build regressions on
GHC 7.6 last year.

All of the regressions could be fixed using perl regexps, and it was only a
few hours of work, much less than the work involved in the discussion
itself.  I downloaded all of hackage and did the fixes using perl.

http://www.haskell.org/pipermail/haskell-cafe/2012-August/103155.html

However, without the community infrastructure to actually apply the
patches, the problem is not solved.

I think this is mainly a community/organizational issue.  Refactoring is
not really the problem, but of course better refactoring abilities are good.

Alexander


On Mon, Apr 29, 2013 at 9:59 AM, Niklas Hambüchen <mail at nh2.me> wrote:

> Hello Malcolm,
>
> no, I had indeed not seen this! Thanks for the link.
>
> It goes very much in the direction I was thinking of, but it does not
> seem to maintained and does not cabal install either.
>
> It also seems very much focused on interactive editor integration as
> compared to written-out transformations.
>
> Do you know to what extent they have built and a modification-friendly AST?
> Also, do you know if the people involved in this are still active in the
> community and interested in working further in this direction?
>
> Thanks
> Niklas
>
> On 29/04/13 15:36, Malcolm Wallace wrote:
> >
> > On 29 Apr 2013, at 07:00, Niklas Hambüchen wrote:
> >
> >> I would like to propose the development of source code refactoring tool
> >> that operates on Haskell source code ASTs and lets you formulate rewrite
> >> rules written in Haskell.
> >
> >
> > Seen this?
> > http://www.haskell.org/haskellwiki/HaRe
> >
> > Regards,
> >     Malcolm
> >
>
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