| 1 | // RUN: %clang_analyze_cc1 -analyzer-checker=alpha.osx.cocoa.DirectIvarAssignmentForAnnotatedFunctions -verify -fblocks %s |
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| 2 | |
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| 3 | typedef signed char BOOL; |
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| 4 | @protocol NSObject - (BOOL)isEqual:(id)object; @end |
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| 5 | @interface NSObject <NSObject> {} |
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| 6 | +(id)alloc; |
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| 7 | -(id)init; |
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| 8 | -(id)autorelease; |
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| 9 | -(id)copy; |
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| 10 | -(id)retain; |
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| 11 | @end |
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| 12 | |
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| 13 | @interface MyClass; |
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| 14 | @end |
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| 15 | |
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| 16 | @interface AnnotatedClass : NSObject { |
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| 17 | } |
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| 18 | - (void) someMethod: (MyClass*)In __attribute__((annotate("objc_no_direct_instance_variable_assignment"))); |
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| 19 | - (void) someMethodNotAnnaotated: (MyClass*)In; |
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| 20 | @end |
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| 21 | |
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| 22 | |
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| 23 | @interface TestProperty : AnnotatedClass { |
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| 24 | MyClass *_Z; |
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| 25 | id _nonSynth; |
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| 26 | MyClass* _NotA __attribute__((annotate("objc_allow_direct_instance_variable_assignment"))); |
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| 27 | } |
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| 28 | |
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| 29 | @property (assign, nonatomic) MyClass* A; // explicitly synthesized, not implemented, non-default ivar name |
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| 30 | |
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| 31 | @property (assign) MyClass* X; // automatically synthesized, not implemented |
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| 32 | |
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| 33 | @property (assign, nonatomic) MyClass* Y; // automatically synthesized, implemented |
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| 34 | |
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| 35 | @property (assign, nonatomic) MyClass* Z; // non-synthesized ivar, implemented setter |
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| 36 | @property (readonly) id nonSynth; // non-synthesized, explicitly implemented to return ivar with expected name |
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| 37 | |
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| 38 | @property (assign) MyClass* NotA; // warnings should be suppressed, backing ivar is annotated |
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| 39 | @property (assign) MyClass* NotX __attribute__((annotate("objc_allow_direct_instance_variable_assignment"))); // warnings should be suppressed |
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| 40 | |
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| 41 | @end |
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| 42 | |
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| 43 | @implementation TestProperty |
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| 44 | @synthesize A = __A; |
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| 45 | |
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| 46 | - (void) someMethod: (MyClass*)In { |
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| 47 | (__A) = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}} |
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| 48 | _X = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}} |
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| 49 | _Y = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}} |
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| 50 | _Z = In; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}} |
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| 51 | _nonSynth = 0; // expected-warning {{Direct assignment to an instance variable backing a property; use the setter instead}} |
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| 52 | _NotX = 0; // no-warning |
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| 53 | _NotA = 0; // no-warning |
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| 54 | } |
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| 55 | - (void) someMethodNotAnnaotated: (MyClass*)In { |
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| 56 | (__A) = In; |
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| 57 | _X = In; // no-warning |
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| 58 | _Y = In; // no-warning |
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| 59 | _Z = In; // no-warning |
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| 60 | _nonSynth = 0; // no-warning |
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| 61 | } |
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| 62 | |
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| 63 | @end |
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