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 |
3 | // rdar://10244607 |
4 | |
5 | typedef const struct __CFString * CFStringRef; |
6 | @class NSString; |
7 | |
8 | NSString *CFBridgingRelease(); |
9 | |
10 | typedef NSString * PNSString; |
11 | |
12 | typedef __autoreleasing NSString * AUTORELEASEPNSString; |
13 | |
14 | @interface I @end |
15 | |
16 | @implementation I |
17 | - (CFStringRef)myString |
18 | { |
19 | CFStringRef myString = |
20 | (__bridge CFStringRef) (__strong NSString *)CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}} |
21 | |
22 | myString = |
23 | (__bridge CFStringRef) (__autoreleasing PNSString) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}} |
24 | myString = |
25 | (__bridge CFStringRef) (AUTORELEASEPNSString) CFBridgingRelease(); // OK |
26 | myString = |
27 | (__bridge CFStringRef) (typeof(__strong NSString *)) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}} |
28 | return myString; |
29 | } |
30 | |
31 | - (void)decodeValueOfObjCType:(const char *)type at:(void *)addr { |
32 | __autoreleasing id *stuff = (__autoreleasing id *)addr; |
33 | } |
34 | @end |
35 | |
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; |
43 | |
44 | // rdar://10907090 |
45 | typedef void (^T) (); |
46 | @interface NSObject @end |
47 | @protocol P; |
48 | @interface Radar10907090 @end |
49 | |
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}} |
58 | @end |
59 | |
60 | // rdar://12280826 |
61 | @class NSMutableDictionary, NSError; |
62 | @interface Radar12280826 |
63 | - (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError**)error; |
64 | @end |
65 | |
66 | @implementation Radar12280826 |
67 | - (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError**)error {} |
68 | @end |
69 | |
70 | // <rdar://problem/12367446> |
71 | typedef __strong id strong_id; |
72 | typedef NSObject *NSObject_ptr; |
73 | typedef __strong NSObject *strong_NSObject_ptr; |
74 | |
75 | // Warn |
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}} |
81 | |
82 | typedef __strong id (*fptr)(int); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}} |
83 | |
84 | // Don't warn |
85 | strong_id f6(); |
86 | strong_NSObject_ptr f7(); |
87 | typedef __strong id (^block_ptr)(int); |
88 | |
89 | // rdar://10127067 |
90 | void test8_a() { |
91 | __weak id *(^myBlock)(void); |
92 | __weak id *var = myBlock(); |
93 | (void) (__strong id *) &myBlock; |
94 | (void) (__weak id *) &myBlock; // expected-error {{cast}} |
95 | } |
96 | void test8_b() { |
97 | __weak id (^myBlock)(void); |
98 | (void) (__weak id *) &myBlock; |
99 | (void) (__strong id *) &myBlock; // expected-error {{cast}} |
100 | } |
101 | void test8_c() { |
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; |
107 | } |
108 | |
109 | @class Test9; |
110 | void test9_a() { |
111 | __weak Test9 **(^myBlock)(void); |
112 | __weak Test9 **var = myBlock(); |
113 | (void) (__strong Test9 **) &myBlock; |
114 | (void) (__weak Test9 **) &myBlock; // expected-error {{cast}} |
115 | } |
116 | void test9_b() { |
117 | __weak Test9 *(^myBlock)(void); |
118 | (void) (__weak Test9**) &myBlock; |
119 | (void) (__strong Test9**) &myBlock; // expected-error {{cast}} |
120 | } |
121 | void test9_c() { |
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; |
127 | } |
128 | |