1 | // RUN: %clang_cc1 -fsyntax-only -x objective-c++ -fobjc-arc -verify -Wno-objc-root-class %s |
2 | // rdar://16756639 |
3 | |
4 | typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 3 {{declared here}} |
5 | |
6 | typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}} |
7 | |
8 | typedef struct __attribute__((objc_bridge(12))) __CFMyColor *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}} |
9 | |
10 | typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{'objc_bridge' attribute takes one argument}} |
11 | |
12 | typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}} |
13 | |
14 | typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef; |
15 | |
16 | typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX; |
17 | typedef XXX *CFUColor2Ref; |
18 | |
19 | @interface I |
20 | { |
21 | } |
22 | @end |
23 | |
24 | @protocol NSTesting @end |
25 | @class NSString; |
26 | |
27 | typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}} |
28 | |
29 | id Test1(CFTestingRef cf) { |
30 | return static_cast<NSString *>(cf); // expected-error {{CF object of type 'CFTestingRef' (aka '__CFError *') is bridged to 'NSTesting', which is not an Objective-C class}} \ |
31 | // expected-error {{cast of C pointer type 'CFTestingRef' (aka '__CFError *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \ |
32 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
33 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFTestingRef' (aka '__CFError *') into ARC}} |
34 | } |
35 | |
36 | typedef CFErrorRef CFErrorRef1; |
37 | |
38 | typedef CFErrorRef1 CFErrorRef2; // expected-note 1 {{declared here}} |
39 | |
40 | @protocol P1 @end |
41 | @protocol P2 @end |
42 | @protocol P3 @end |
43 | @protocol P4 @end |
44 | @protocol P5 @end |
45 | |
46 | @interface NSError<P1, P2, P3> @end // expected-note 3 {{declared here}} |
47 | |
48 | @interface MyError : NSError // expected-note 1 {{declared here}} |
49 | @end |
50 | |
51 | @interface NSUColor @end |
52 | |
53 | @class NSString; |
54 | |
55 | void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) { |
56 | (void)static_cast<NSString *>(cf); // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'NSString'}} \ |
57 | // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \ |
58 | // expected-note {{__bridge with C-style cast to convert directly (no change in ownership)}} \ |
59 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} |
60 | (void)static_cast<NSError *>(cf); // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'NSError *' requires a bridged cast}} \ |
61 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
62 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} |
63 | (void)static_cast<MyError*>(cf); // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'MyError *' requires a bridged cast}} \ |
64 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
65 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} \ |
66 | // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'MyError'}} |
67 | (void)static_cast<NSUColor *>(cf2); // expected-error {{cast of C pointer type 'CFUColor2Ref' (aka '__CFUPrimeColor *') to Objective-C pointer type 'NSUColor *' requires a bridged cast}} \ |
68 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
69 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFUColor2Ref' (aka '__CFUPrimeColor *') into ARC}} |
70 | (void)static_cast<CFErrorRef>(ns); // expected-error {{cast of Objective-C pointer type 'NSError *' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
71 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
72 | // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
73 | (void)static_cast<CFErrorRef>(str); // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}} \\ |
74 | // expected-error {{cast of Objective-C pointer type 'NSString *' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
75 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
76 | // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
77 | (void)static_cast<Class>(cf); // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'Class'}} \\ |
78 | // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'Class' requires a bridged cast}} \ |
79 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
80 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} |
81 | (void)static_cast<CFErrorRef>(c); // expected-warning {{'Class' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *}} \\ |
82 | // expected-error {{cast of Objective-C pointer type 'Class' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
83 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
84 | // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
85 | } |
86 | |
87 | |
88 | void Test3(CFErrorRef cf, NSError *ns) { |
89 | (void)static_cast<id>(cf); // expected-error {{cast of C pointer type 'CFErrorRef' (aka '__CFErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \ |
90 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
91 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}} |
92 | (void)static_cast< id<P1, P2> >(cf); // expected-error {{cast of C pointer type 'CFErrorRef' (aka '__CFErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \ |
93 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
94 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}} |
95 | (void)static_cast< id<P1, P2, P4> >(cf); // expected-warning {{'CFErrorRef' (aka '__CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}} \ |
96 | // expected-error {{cast of C pointer type 'CFErrorRef' (aka '__CFErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \ |
97 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
98 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}} |
99 | } |
100 | |
101 | void Test4(CFMyErrorRef cf) { |
102 | (void)static_cast<id>(cf); // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \ |
103 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
104 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
105 | (void)static_cast< id<P1, P2> >(cf); // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \ |
106 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
107 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
108 | (void)static_cast< id<P1, P2, P3> >(cf); // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2,P3>' requires a bridged cast}} \ |
109 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
110 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
111 | (void)static_cast< id<P2, P3> >(cf); // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P2,P3>' requires a bridged cast}} \ |
112 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
113 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
114 | (void)static_cast< id<P1, P2, P4> >(cf); // expected-warning {{'CFMyErrorRef' (aka '__CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}} \ |
115 | // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \ |
116 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
117 | // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} |
118 | } |
119 | |
120 | void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { |
121 | (void)static_cast<CFErrorRef>(ID); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
122 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
123 | // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
124 | (void)static_cast<CFErrorRef>(P123); // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
125 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
126 | // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
127 | (void)static_cast<CFErrorRef>(P1234); // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
128 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
129 | // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
130 | (void)static_cast<CFErrorRef>(P12); // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
131 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
132 | // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
133 | (void)static_cast<CFErrorRef>(P23); // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \ |
134 | // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \ |
135 | // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} |
136 | } |
137 | |