Re: Return type of vfuncs

[Marko Anastasov <marko marko anastasov name>]

On Fri, 2006-10-13 at 08:32 +0200, Johannes Schmid wrote:
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> Hi Marko!
> 
> The problem is that I cannot use any hand-coded functions because the
> .hg files are generated from an idl file using some evil perl script.

Why does that make them unchangeable? I guess it could only be if
that happens at compile-time.

Where can that script be found? I suppose it would be helpful and
save some time when wrapping anything to be proc'ed by gmmproc.

> 
> Regardings the GError* argument: I have used "errthrow" for the methods
> but I could not find out how to do this for vfuncs.

Non-manually, I'm not sure it's possible.

Marko

> 
> Regards,
> Johannes
> 
> Marko Anastasov wrote:
> > On Thu, 2006-10-12 at 23:48 +0200, Johannes Schmid wrote:
> >> Hi!
> >>
> >> While I tried to complete libanjutamm I ran into the following problem.
> >> gmmproc generates this for a vfunc return a Glib::ListHandle:
> >>
> >> (...)
> >> typedef Glib::ListHandle<Editor*> RType;
> >> return RType();
> >> }
> >>
> >> The bad thing is, that Glib::ListHandle does not have a constructor with
> >> zero arguments so this will never work! The line to generate the vfunc
> >> is the following:
> >>
> >> _WRAP_VFUNC(Glib::ListHandle<Editor*> get_editors ( GError** err),
> >> "get_editors")
> >>
> >> How is this supposed to work or am I totally wrong?
> > 
> > I suppose you could _IGNORE(get_editors), declare a virtual function
> > manually in the *.hg file and implement it in *.ccg where you would
> > call ListHandle constructor with the GList as a parameter.
> > 
> > Btw why GErrors and not exceptions? (Sorry if this is a decision
> > I missed earlier.)
> > 
> > Marko
> > 
> > 
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