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/* { dg-do run } */
/* See if -forward:: is able to work. */
/* { dg-skip-if "Needs OBJC2 Implementation" { *-*-darwin8* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
 
#include <stdio.h>
#include <stdlib.h>
 
#include "../../objc-obj-c++-shared/TestsuiteObject.m"
 
#define VALUETOUSE 1234567890
 
id forwarder, receiver;
 
@interface Forwarder: TestsuiteObject
{
    id receiver;
}
 
-initWithReceiver:theReceiver;
 
@end
 
@interface Receiver:TestsuiteObject
{
    int foo;
}
-display;
-initWithFoo:(int)theFoo;
@end
@implementation Receiver
 
-initWithFoo: (int)theFoo
{
    foo = theFoo;
    return self;
}
 
-display
{
  printf ("Executing display\n");
    /* Check to see if we are really the reciever. */
    if (self != receiver)
        abort ();
    /* And the value of foo is set correctly. */
    if (foo != VALUETOUSE)
      abort ();
    return self;
}
 
@end
 
@implementation Forwarder
-initWithReceiver: theReceiver
{
    [super init];
    receiver = theReceiver;
    return self;
}
-(void *) forward: (SEL)theSel: (void *)theArgFrame
{
  /* If we have a reciever try to perform on that object */
    if (receiver)
      {
	/* Simple forward that works for methods with no
	   arguments.  */
	typedef id (*method_with_no_args) (id receiver, SEL _cmd);
	Method method = class_getInstanceMethod (object_getClass (receiver),
						 theSel);
	method_with_no_args imp = (method_with_no_args)(method_getImplementation
							(method));
	return (*imp)(receiver, theSel);
      }
 
    /* Normally you'd emit an error here.  */
    printf ("Unrecognized selector\n");
    return NULL;
}
@end
int main()
{
    /* Init the reciever. */
    receiver = [[Receiver alloc] initWithFoo: VALUETOUSE];
    /* Init the fowarder. */
    forwarder = [[Forwarder alloc] initWithReceiver: receiver];
    /* Call display on the forwarder which in turns calls display on
       the reciever. */
    [forwarder display];
    exit(0);
}