Patch/feature proposal: "Source plugins"

[Edsko de Vries]

Hi Luite,

I was fully planning on a first version of the patch yesterday, but so far
my efforts were thwarted by annoying problems with dynamic libraries (not
-- directly -- related to the patch at all). I will try again today :)

Edsko


On Wed, Jun 26, 2013 at 8:51 AM, Luite Stegeman <stegeman at gmail.com> wrote:

> 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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>
>
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