Re: Introspection API

[Matthias Clasen <mclasen redhat com>]

On Thu, 2005-02-24 at 18:16 -0500, Colin Walters wrote:
> On Thu, 2005-02-24 at 20:52 +0000, Gustavo J. A. M. Carneiro wrote:
> >On Thu, 2005-02-24 at 15:20 -0500, Matthias Clasen wrote:
> >>I have written up a draft spec for the format of the binary metadata
> >>to back up the repository api which I posted earlier. I hope to have
> >>some initial code implementing both of these soon.
> >>
> >>Comments highly appreciated,
> >
> >  OK, I probably missed something but, exactly how are language bindings
> >supposed to get the actual API function pointers?  All I can see is
> >function name.  Should we use dlsym() (or glib equivalent abstraction)?
> 
> c_name:   The symbol which can be used to obtain the function pointer with dlsym().
> 
> So yes.
> 
> >  Once we get the function pointer, are we supposed to use libffi to
> >call the function with the actual parameters?
> 
> Hmm.  That is a problem.  Perhaps we could provide a way to easily
> generate marshallers for functions in the introspection data on the
> client end.  It's a little unclear to me how this would integrate into
> compilation.

Do you have an idea how such an api could look like ?

Matthias