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// RUN: %clang_cc1 -analyze -analyzer-checker=alpha.osx.cocoa.DirectIvarAssignment -verify -fblocks %s
typedef signed char BOOL;
@protocol NSObject - (BOOL)isEqual:(id)object; @end
@interface NSObject <NSObject> {}
+(id)alloc;
-(id)init;
-(id)autorelease;
-(id)copy;
-(id)retain;
@end
@interface MyClass;
@end
@interface TestProperty :NSObject {
MyClass *_Z;
id _nonSynth;
}
@property (assign, nonatomic) MyClass* A; // explicitely synthesized, not implemented, non-default ivar name
@property (assign) MyClass* X; // automatically synthesized, not implemented
@property (assign, nonatomic) MyClass* Y; // automatically synthesized, implemented
@property (assign, nonatomic) MyClass* Z; // non-synthesized ivar, implemented setter
@property (readonly) id nonSynth; // non-synthesized, explicitly implemented to return ivar with expected name
- (id) initWithPtr:(MyClass*) value;
- (id) myInitWithPtr:(MyClass*) value;
- (void) someMethod: (MyClass*)In;
@end
@implementation TestProperty
@synthesize A = __A;
- (id) initWithPtr: (MyClass*) value {
_Y = value; // no-warning
return self;
}
- (id) copyWithPtrY: (TestProperty*) value {
TestProperty *another = [[TestProperty alloc] init];
another->_Y = value->_Y; // no-warning
return another;
}
- (id) myInitWithPtr: (MyClass*) value {
_Y = value; // no-warning
return self;
}
- (void) setY:(MyClass*) NewValue {
_Y = NewValue; // no-warning
}
- (void) setZ:(MyClass*) NewValue {
_Z = NewValue; // no-warning
}
- (id)nonSynth {
return _nonSynth;
}
- (void) someMethod: (MyClass*)In {
(__A) = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
_X = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
_Y = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
_Z = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
_nonSynth = 0; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
}
@end
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