58 lines
993 B
Objective-C
58 lines
993 B
Objective-C
/* { dg-do run } */
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/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
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#include <stdlib.h>
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#include "../objc-obj-c++-shared/Object1.h"
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typedef struct MyWidget {
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int a;
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} MyWidget;
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MyWidget gWidget = { 17 };
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@protocol MyProto
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- (MyWidget *)widget;
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@end
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@interface Foo: Object
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@end
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@interface Bar: Foo <MyProto>
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@end
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@interface Container: Object
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+ (MyWidget *)elementForView:(Foo *)view;
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@end
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@implementation Foo
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@end
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@implementation Bar
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- (MyWidget *)widget {
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return &gWidget;
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}
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@end
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@implementation Container
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+ (MyWidget *)elementForView:(Foo *)view
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{
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MyWidget *widget = (MyWidget *) nil;
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if ([view conformsTo:@protocol(MyProto)]) {
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widget = [(Foo <MyProto> *)view widget];
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}
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return widget;
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}
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@end
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int main(void) {
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id view = [Bar new];
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MyWidget *w = [Container elementForView: view];
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if (!w || w->a != 17)
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abort ();
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return 0;
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}
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#include "../objc-obj-c++-shared/Object1-implementation.h"
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