gcc/testsuite/objc/execute/forward-1.m

   1 /* See if -forward::/-performv:: is able to work. */
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5
   6 #import "../../objc-obj-c++-shared/Object1.h"
   7 #import "../../objc-obj-c++-shared/next-mapping.h"
   8 #include <objc/objc-api.h>
   9
  10 #define VALUETOUSE 1234567890
  11
  12 id forwarder, receiver;
  13
  14 @interface Forwarder: Object
  15 {
  16     id receiver;
  17 }
  18
  19 -initWithReceiver:theReceiver;
  20
  21 @end
  22
  23 @interface Receiver:Object
  24 {
  25     int foo;
  26 }
  27 -display;
  28 -initWithFoo:(int)theFoo;
  29 @end
  30 @implementation Receiver
  31
  32 -initWithFoo: (int)theFoo
  33 {
  34     foo = theFoo;
  35     return self;
  36 }
  37
  38 -display
  39 {
  40     /* Check to see if we are really the reciever. */
  41     if (self != receiver)
  42         abort ();
  43     /* And the value of foo is set correctly. */
  44     if (foo != VALUETOUSE)
  45       abort ();
  46     return self;
  47 }
  48
  49 @end
  50
  51 @implementation Forwarder
  52 -initWithReceiver: theReceiver
  53 {
  54     [super init];
  55     receiver = theReceiver;
  56     return self;
  57 }
  58 #ifdef __NEXT_RUNTIME__
  59 - forward: (SEL)theSel: (marg_list)theArgFrame
  60 #else
  61 -(retval_t) forward: (SEL)theSel: (arglist_t)theArgFrame
  62 #endif
  63 {
  64   /* If we have a reciever try to perform on that object */
  65     if (receiver)
  66         return [receiver performv: theSel: theArgFrame];
  67     return [self doesNotRecognize:theSel];
  68 }
  69 @end
  70 int main()
  71 {
  72     /* Init the reciever. */
  73     receiver = [[Receiver alloc] initWithFoo: VALUETOUSE];
  74     /* Init the fowarder. */
  75     forwarder = [[Forwarder alloc] initWithReceiver: receiver];
  76     /* Call display on the forwarder which in turns calls display on
  77        the reciever. */
  78     [forwarder display];
  79     exit(0);
  80 }