Re: swig guile2

[William S Fulton <wsf@fultondesigns.co.uk>]

On 19/03/11 20:08, Tristan Colgate wrote:
> Hi All,
>
>    I'm working on a couple of projects using guile and swig and
> recently did some work to put together a guile2 module for swig.
>
>    I started out by trying to add guile2 support to the existing guile
> support but the focus on the old GH interface meant things started to
> get messy so I've basically copied the old guile module and removed
> all the legacy gh support and updated the memory management for
> guile2.
>
>    It is a bit of a hack but as far as I can tell it is working OK for
> me at the moment.
>
>    I thought now would be a good time to announce the effort and gauge opinion.
>
>    Guile2 has lots of nice features and I think a dedicated module
> could do interesting things without breaking legacy support. Guile 2
> has an FFI that could potententially be useful in the future (I like
> SWIGs typemaps far too much to have moved away from swig all together
> though).
>
Are you proposing a 2nd SWIG Guile module in addition to the current module?

>    The code is currently on github, and I would welcome feedback. It is
> a bit rough and ready, and my knowledge of SWIG internals is pretty
> rudimentary, so I'd welcome comment and advise (and patches), from all
> sides.
>
>    http://github.com/tcolgate/swig-guile2
>
>    Be sure to check out the guile2 branch.
>

I am no guile user, so can't help on the Guile side. The guile SWIG 
module is suffering neglect and doesn't seem to work with modern 
versions of Guile - the test-suite fails for me. Only very rarely are 
there Guile queries on the SWIG mailing list, so suspect it isn't used 
much. Would it make sense to drop the older Guile interface altogether 
and just use Guile 2? BTW, there is the swig -scm option for guile 1.6+. 
So there seems to be GH and SCM and now guile 2 API... does that sound 
right that there are so many C interfaces or is your Guile 2 interface 
just SCM?

William

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