1 // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -fobjc-runtime-has-weak -Wexplicit-ownership-type -verify -Wno-objc-root-class %s
2 // RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -fobjc-runtime-has-weak -Wexplicit-ownership-type -verify -Wno-objc-root-class %s
5 typedef const struct __CFString * CFStringRef;
8 NSString *CFBridgingRelease();
10 typedef NSString * PNSString;
12 typedef __autoreleasing NSString * AUTORELEASEPNSString;
17 - (CFStringRef)myString
19 CFStringRef myString =
20 (__bridge CFStringRef) (__strong NSString *)CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}
23 (__bridge CFStringRef) (__autoreleasing PNSString) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}
25 (__bridge CFStringRef) (AUTORELEASEPNSString) CFBridgingRelease(); // OK
27 (__bridge CFStringRef) (typeof(__strong NSString *)) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}
31 - (void)decodeValueOfObjCType:(const char *)type at:(void *)addr {
32 __autoreleasing id *stuff = (__autoreleasing id *)addr;
36 // rdar://problem/10711456
37 __strong I *__strong test1; // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}
38 __strong I *(__strong test2); // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}
39 __strong I *(__strong (test3)); // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}
40 __unsafe_unretained __typeof__(test3) test4;
41 typedef __strong I *strong_I;
42 __unsafe_unretained strong_I test5;
46 @interface NSObject @end
48 @interface Radar10907090 @end
50 @implementation Radar10907090
51 - (void) MMM : (NSObject*) arg0 : (NSObject<P>**)arg : (id) arg1 : (id<P>*) arg2 {} // expected-warning {{method parameter of type 'NSObject<P> *__autoreleasing *' with no explicit ownership}} \
52 // expected-warning {{method parameter of type '__autoreleasing id<P> *' with no explicit ownership}}
53 - (void) MM : (NSObject*) arg0 : (__strong NSObject**)arg : (id) arg1 : (__strong id*) arg2 {}
54 - (void) M : (NSObject**)arg0 : (id*)arg {} // expected-warning {{method parameter of type 'NSObject *__autoreleasing *' with no explicit ownership}} \
55 // expected-warning {{method parameter of type '__autoreleasing id *' with no explicit ownership}}
56 - (void) N : (__strong NSObject***) arg0 : (__strong NSObject<P>***)arg : (float**) arg1 : (double) arg2 {}
57 - (void) BLOCK : (T*) arg0 : (T)arg : (__strong T*) arg1 {} // expected-warning {{method parameter of type '__autoreleasing T *' (aka 'void (^__autoreleasing *)()') with no explicit ownership}}
61 @class NSMutableDictionary, NSError;
62 @interface Radar12280826
63 - (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError**)error;
66 @implementation Radar12280826
67 - (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError**)error {}
70 // <rdar://problem/12367446>
71 typedef __strong id strong_id;
72 typedef NSObject *NSObject_ptr;
73 typedef __strong NSObject *strong_NSObject_ptr;
76 __strong id f1(); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}
77 NSObject __unsafe_unretained *f2(int); // expected-warning{{ARC __unsafe_unretained lifetime qualifier on return type is ignored}}
78 __autoreleasing NSObject *f3(void); // expected-warning{{ARC __autoreleasing lifetime qualifier on return type is ignored}}
79 NSObject * __strong f4(void); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}
80 NSObject_ptr __strong f5(); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}
82 typedef __strong id (*fptr)(int); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}
86 strong_NSObject_ptr f7();
87 typedef __strong id (^block_ptr)(int);
91 __weak id *(^myBlock)(void);
92 __weak id *var = myBlock();
93 (void) (__strong id *) &myBlock;
94 (void) (__weak id *) &myBlock; // expected-error {{cast}}
97 __weak id (^myBlock)(void);
98 (void) (__weak id *) &myBlock;
99 (void) (__strong id *) &myBlock; // expected-error {{cast}}
102 __weak id (^*(^myBlock)(void))(void);
103 (void) (__weak id*) myBlock();
104 (void) (__strong id*) myBlock(); // expected-error {{cast}}
105 (void) (__weak id*) &myBlock; // expected-error {{cast}}
106 (void) (__strong id*) &myBlock;
111 __weak Test9 **(^myBlock)(void);
112 __weak Test9 **var = myBlock();
113 (void) (__strong Test9 **) &myBlock;
114 (void) (__weak Test9 **) &myBlock; // expected-error {{cast}}
117 __weak Test9 *(^myBlock)(void);
118 (void) (__weak Test9**) &myBlock;
119 (void) (__strong Test9**) &myBlock; // expected-error {{cast}}
122 __weak Test9 *(^*(^myBlock)(void))(void);
123 (void) (__weak Test9 **) myBlock();
124 (void) (__strong Test9 **) myBlock(); // expected-error {{cast}}
125 (void) (__weak Test9 **) &myBlock; // expected-error {{cast}}
126 (void) (__strong Test9 **) &myBlock;