84 lines
2.6 KiB
Objective-C
84 lines
2.6 KiB
Objective-C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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typedef signed char BOOL;
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typedef unsigned int NSUInteger;
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typedef struct _NSZone NSZone;
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@class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator;
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@protocol NSObject
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- (BOOL)isEqual:(id)object;
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@end
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@protocol NSCopying - (id)copyWithZone:(NSZone *)zone;
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@end
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@protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone;
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@end
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@protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder;
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@end
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@interface NSObject <NSObject> {}
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@end
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extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone);
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typedef struct {
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id *itemsPtr;
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unsigned long *mutationsPtr;
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} NSFastEnumerationState;
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@protocol NSFastEnumeration
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- (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len;
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@end
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@class NSString;
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@interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> - (NSUInteger)count;
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@end
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@interface NSMutableArray : NSArray - (void)addObject:(id)anObject;
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@end
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extern NSString * const NSUndoManagerCheckpointNotification;
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@interface NSValueTransformer : NSObject {} @end
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@class FooModel;
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@interface FooObject : NSObject <NSCopying> {}
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@end
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@interface FooNode : FooObject {}
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- (NSArray *) children;
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@end
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typedef enum { Foo_HUH_NONE } FooHUHCode;
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@interface FooPlaypenEntry : FooNode {
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NSMutableArray *_interestingChildren;
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FooHUHCode _HUH;
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__attribute__((objc_gc(weak))) FooPlaypenEntry *_mostInterestingChild;
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id _author;
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}
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@property(copy) NSString *author;
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- (BOOL) isInteresting;
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@end NSString *FooHUHCodeToString(FooHUHCode HUH) { return 0; }
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@interface FooHUHCodeToStringTransformer: NSValueTransformer {
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}
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@end @implementation FooPlaypenEntry @synthesize author = _author;
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- (BOOL) isInteresting { return 1; }
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- (NSArray *) interestingChildren {
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if (!_interestingChildren) {
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for (FooPlaypenEntry *child in [self children]) {
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if ([child isInteresting]) {
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if (!_mostInterestingChild)
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_mostInterestingChild = child;
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else if (child->_HUH > _mostInterestingChild->_HUH)
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_mostInterestingChild = child;
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}
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}
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}
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return 0;
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}
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- (FooHUHCode) HUH {
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if (_HUH == Foo_HUH_NONE) {
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if (_mostInterestingChild)
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return [_mostInterestingChild HUH];
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}
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return 0;
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}
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@end
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// rdar://problem/9123040
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@interface Test1 {
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@public
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id ivar __attribute__((objc_gc(weak)));
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}
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@property (assign) id prop __attribute((objc_gc(weak)));
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@end
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void test1(Test1 *t) {
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id *(__attribute__((objc_gc(strong))) x) = &t->ivar; // expected-warning {{initializing '__strong id *' with an expression of type '__weak id *' discards qualifiers}}
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}
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