1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 typedef signed char BOOL; 4 typedef unsigned int NSUInteger; 5 typedef struct _NSZone NSZone; 6 @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; 7 @protocol NSObject 8 - (BOOL)isEqual:(id)object; 9 @end 10 @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; 11 @end 12 @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone; 13 @end 14 @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; 15 @end 16 @interface NSObject <NSObject> {} 17 @end 18 extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone); 19 typedef struct { 20 id *itemsPtr; 21 unsigned long *mutationsPtr; 22 } NSFastEnumerationState; 23 @protocol NSFastEnumeration 24 - (NSUInteger)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(NSUInteger)len; 25 @end 26 @class NSString; 27 @interface NSArray : NSObject <NSCopying, NSMutableCopying, NSCoding, NSFastEnumeration> - (NSUInteger)count; 28 @end 29 @interface NSMutableArray : NSArray - (void)addObject:(id)anObject; 30 @end 31 extern NSString * const NSUndoManagerCheckpointNotification; 32 @interface NSValueTransformer : NSObject {} @end 33 @class FooModel; 34 @interface FooObject : NSObject <NSCopying> {} 35 @end 36 @interface FooNode : FooObject {} 37 - (NSArray *) children; 38 @end 39 typedef enum { Foo_HUH_NONE } FooHUHCode; 40 @interface FooPlaypenEntry : FooNode { 41 NSMutableArray *_interestingChildren; 42 FooHUHCode _HUH; 43 __attribute__((objc_gc(weak))) FooPlaypenEntry *_mostInterestingChild; 44 id _author; 45 } 46 @property(copy) NSString *author; 47 - (BOOL) isInteresting; 48 @end NSString *FooHUHCodeToString(FooHUHCode HUH) { return 0; } 49 @interface FooHUHCodeToStringTransformer: NSValueTransformer { 50 } 51 @end @implementation FooPlaypenEntry @synthesize author = _author; 52 - (BOOL) isInteresting { return 1; } 53 - (NSArray *) interestingChildren { 54 if (!_interestingChildren) { 55 for (FooPlaypenEntry *child in [self children]) { 56 if ([child isInteresting]) { 57 if (!_mostInterestingChild) 58 _mostInterestingChild = child; 59 else if (child->_HUH > _mostInterestingChild->_HUH) 60 _mostInterestingChild = child; 61 } 62 } 63 } 64 return 0; 65 } 66 - (FooHUHCode) HUH { 67 if (_HUH == Foo_HUH_NONE) { 68 if (_mostInterestingChild) 69 return [_mostInterestingChild HUH]; 70 } 71 return 0; 72 } 73 @end 74 75 // rdar://problem/9123040 76 @interface Test1 { 77 @public 78 id ivar __attribute__((objc_gc(weak))); 79 } 80 @property (assign) id prop __attribute((objc_gc(weak))); 81 @end 82 void test1(Test1 *t) { 83 id *(__attribute__((objc_gc(strong))) x) = &t->ivar; // expected-warning {{initializing '__strong id *' with an expression of type '__weak id *' discards qualifiers}} 84 } 85
