74 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
// RUN: %clang_cc1 -x objective-c -Wno-objc-root-class -fms-extensions -rewrite-objc %s -o %t-rw.cpp
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// RUN: FileCheck  --input-file=%t-rw.cpp %s
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// rdar://9846759
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// rdar://15517895
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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 
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@end
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@interface Bar: Foo <MyProto>
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@end
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@interface Container 
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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 = (void*)0;
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  if (@protocol(MyProto)) {
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    widget = [(id <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;
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  MyWidget *w = [Container elementForView: view];
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  return 0;
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}
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// rdar://15517895
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@class NSObject;
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@interface NSProtocolChecker
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+ (id)protocolCheckerWithTarget:(NSObject *)anObject protocol:(Protocol *)aProtocol;
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@end
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@protocol NSConnectionVersionedProtocol
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@end
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@interface NSConnection @end
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@implementation NSConnection
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- (void) Meth {
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  [NSProtocolChecker protocolCheckerWithTarget:0 protocol:@protocol(NSConnectionVersionedProtocol)];
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}
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@end
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// CHECK: static struct _protocol_t *_OBJC_PROTOCOL_REFERENCE_$_NSConnectionVersionedProtocol = &_OBJC_PROTOCOL_NSConnectionVersionedProtocol
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// CHECK: sel_registerName("protocolCheckerWithTarget:protocol:"), (NSObject *)0, (Protocol *)_OBJC_PROTOCOL_REFERENCE_$_NSConnectionVersionedProtocol
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