Patch/feature proposal: "Source plugins"

[Luite Stegeman]

Any news on this? I'd really like to have this in GHC 7.8.1 so that we can
release a fully working GHCJS with GhcMake functionality based on it. I'd
be happy to help write the patch.

luite



On Tue, Jun 11, 2013 at 3:21 PM, Simon Peyton-Jones
<simonpj at microsoft.com>wrote:

> Guys,
>
> I'm not following the details here, but I'm open to suggestions (patches,
> even) that improve the GHC API.
>
> Simon
>
> | -----Original Message-----
> | From: ghc-devs-bounces at haskell.org [mailto:ghc-devs-bounces at haskell.org]
> | On Behalf Of Thomas Schilling
> | Sent: 11 June 2013 12:53
> | To: Edsko de Vries
> | Cc: ghc-devs at haskell.org
> | Subject: Re: Patch/feature proposal: "Source plugins"
> |
> | On 5 June 2013 13:51, Edsko de Vries <edskodevries at gmail.com> wrote:
> | > It is a little bit messy mostly because parts of the AST get lost
> | along the
> | > way: quasi-quotes in the renamer, data type declarations and other
> | things
> | > during type checking. A more ideal way, but also more time consuming,
> | would
> | > be to change this so that the renamer leaves evidence of the quasi-
> | quotes in
> | > the tree, and the type checker returns the entire tree type checked,
> | rather
> | > than just a subset. I think that ultimately this is the better
> | approach, at
> | > least for our purposes -- I'm not sure about other tools, but since
> | this
> | > would be a larger change that affects larger parts of the ghc pipeline
> | I'm
> | > not sure that I'll be able to do it.
> |
> | I needed something similar.  In particular, I built a custom code
> | generator, but now I need a similar feature for extracting information
> | from a Haskell file (for IDE features).
> |
> | Since I needed to modify one-shot compilation mode I couldn't use the
> | GHC API.  For the IDE stuff I'm using Shake as the build manager, so
> | that also needs a customized one-shot mode.  For my current
> | implementation I just copied and adapted the necessary parts of
> | HscMain, DriverPipeline, etc.  That's very messy, fragile and breaks
> | on every GHC release so I'd really like to see the necessary features
> | put into GHC.
> |
> | Do you have a working patch somewhere?
> |
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