forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			63 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
// RUN: %clang_analyze_cc1 -analyzer-checker=alpha.osx.cocoa.DirectIvarAssignmentForAnnotatedFunctions -verify -fblocks %s
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typedef signed char BOOL;
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@protocol NSObject  - (BOOL)isEqual:(id)object; @end
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@interface NSObject <NSObject> {}
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+(id)alloc;
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-(id)init;
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-(id)autorelease;
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-(id)copy;
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-(id)retain;
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@end
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@interface MyClass;
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@end
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@interface AnnotatedClass : NSObject {
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}
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  - (void) someMethod: (MyClass*)In __attribute__((annotate("objc_no_direct_instance_variable_assignment")));
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  - (void) someMethodNotAnnaotated: (MyClass*)In;
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@end
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@interface TestProperty : AnnotatedClass {
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  MyClass *_Z;
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  id _nonSynth;
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  MyClass* _NotA __attribute__((annotate("objc_allow_direct_instance_variable_assignment")));
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}
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  @property (assign, nonatomic) MyClass* A; // explicitly synthesized, not implemented, non-default ivar name
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  @property (assign) MyClass* X;  // automatically synthesized, not implemented
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  @property (assign, nonatomic) MyClass* Y; // automatically synthesized, implemented
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  @property (assign, nonatomic) MyClass* Z; // non-synthesized ivar, implemented setter
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  @property (readonly) id nonSynth;  // non-synthesized, explicitly implemented to return ivar with expected name
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  @property (assign) MyClass* NotA;  // warnings should be suppressed, backing ivar is annotated
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  @property (assign) MyClass* NotX __attribute__((annotate("objc_allow_direct_instance_variable_assignment")));  // warnings should be suppressed
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  @end
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@implementation TestProperty
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  @synthesize A = __A;
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  - (void) someMethod: (MyClass*)In {
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    (__A) = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
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    _X = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
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    _Y = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
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    _Z = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
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    _nonSynth = 0; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}}
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    _NotX = 0; // no-warning
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    _NotA = 0; // no-warning
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  }
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  - (void) someMethodNotAnnaotated: (MyClass*)In {
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    (__A) = In; 
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    _X = In; // no-warning
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    _Y = In; // no-warning
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    _Z = In; // no-warning
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    _nonSynth = 0; // no-warning
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  }
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@end |