blob: f1ecd548eb3e0d5829f23b65d38822a0dde1de8a (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// RUN: %clang_cc1 -analyze -analyzer-checker=alpha.osx.cocoa.DirectIvarAssignmentForAnnotatedFunctions -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 AnnotatedClass : NSObject {
}
- (void) someMethod: (MyClass*)In __attribute__((annotate("objc_no_direct_instance_variable_assignment")));
- (void) someMethodNotAnnaotated: (MyClass*)In;
@end
@interface TestProperty : AnnotatedClass {
MyClass *_Z;
id _nonSynth;
MyClass* _NotA __attribute__((annotate("objc_allow_direct_instance_variable_assignment")));
}
@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
@property (assign) MyClass* NotA; // warnings should be suppressed, backing ivar is annotated
@property (assign) MyClass* NotX __attribute__((annotate("objc_allow_direct_instance_variable_assignment"))); // warnings should be suppressed
@end
@implementation TestProperty
@synthesize A = __A;
- (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}}
_NotX = 0; // no-warning
_NotA = 0; // no-warning
}
- (void) someMethodNotAnnaotated: (MyClass*)In {
(__A) = In;
_X = In; // no-warning
_Y = In; // no-warning
_Z = In; // no-warning
_nonSynth = 0; // no-warning
}
@end
|
