Re: ObjectiveC runtime question: easy solution!

[Adam Fedor]

Possible. __builtin_apply isn't really supported by the gcc team, but 
if you are just working on windows, you only have to deal with making 
sure it works on that platform.


On May 19, 2005, at 1:01 AM, Lloyd Dupont wrote:

> I could write something like that:
>  
> DLL_EXPORT void* objcsharp_msg_send(id obj, SEL sel, ...)
> {
>  void* args = __builtin_apply_args();
>  IMP imp = objc_msg_lookup(obj, sel);
>  size_t argsize = 20 * sizeof(int);
>  __builtin_return ( __builtin_apply((void(*)())imp, args, argsize) );
> }
> I have to look at some code to find the correct value of argsize.
> but that's the simpliest solution, by far!
>  
> > ----- Original Message -----
> > From: Lloyd Dupont
> > To: Lloyd Dupont ; GNUstep Discussion
> > Sent: Thursday, May 19, 2005 1:42 PM
> > Subject: Re: ObjectiveC runtime question
> >
> > I'm trying something like
> > DLL_EXPORT void* objcsharp_msg_send(id obj, SEL sel, ...)
> > {
> >   return objc_msg_sendv(obj, sel, __builtin_apply_args ());
> > }
> > but that's apparently not correct.....
> >
> >  
> > > ----- Original Message -----
> > > From: Lloyd Dupont
> > > To: GNUstep Discussion
> > > Sent: Thursday, May 19, 2005 12:14 PM
> > > Subject: ObjectiveC runtime question
> > >
> > > I'm trying to write a binding from an other language to ObjectiveC
> > > I was thinking to relay method call by using something like
> > > objc_msg_sendv(id, SEL, ...);
> > >  
> > > but it's not exactely the case it's
> > > objc_msg_sendv(id, SEL, arglist_t);
> > >  
> > > which mean it doesn't work like a vararg function how could I 
> > > translate that?
> > >  
> > > I was thinking of something like:
> > >  
> > > myobjc_msg_send(id obj, SEL mtdh, ...)
> > > {
> > >     objc_msg_sendv(obj, mthd, arglist);
> > > }
> > >  
> > > now the question is how to generate a arglist_t from a va_list?
> > > or any other suggestion?
> > >
> > > _______________________________________________
> > > Discuss-gnustep mailing list
> > > Discuss-gnustep@gnu.org
> > > http://lists.gnu.org/mailman/listinfo/discuss-gnustep
> _______________________________________________
> Discuss-gnustep mailing list
> Discuss-gnustep@gnu.org
> http://lists.gnu.org/mailman/listinfo/discuss-gnustep