I want to do a binding to ObjectiveC Basically I need to implement a function like
retval_t objc_msg_send(id obj, SEL sel, ...);
which would forward its call (same arguments, including the unidentified ... (va_list)) to an other function know by pointer which would be looked up from the 1st 2 parameters. the return value should be forwarded too!!
I was thinking to something as below (a simple jump!), but I'm not sure:
1. it will work (maye the puch/pop will overwrite fct?! my ASM is ten years old...)
2. of the syntax
pseudo code to be corrected (for x86/windows/gcc):
return_t objc_msg_send(id obj, SEL sel, ...)
{
asm pushall;
void (*)() fct = lookup(obj, sel);
asm popall;
asm longjmp fct;
}Note to those knowing a bit of ObjC:
No, this function is absolutely not implemented on GNUstep, although it could be found on NeXT and MacOSX, tss....
