1// RUN: %clang_cc1 -fsyntax-only -x objective-c++ -fobjc-arc -verify -Wno-objc-root-class %s 2// rdar://15454846 3 4typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 5 {{declared here}} 5 6typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}} 7 8typedef 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 10typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{'objc_bridge' attribute takes one argument}} 11 12typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}} 13 14typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef; 15 16typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX; 17typedef XXX *CFUColor2Ref; 18 19@interface I 20{ 21} 22@end 23 24@protocol NSTesting @end 25@class NSString; 26 27typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}} 28 29id Test1(CFTestingRef cf) { 30 return (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 to convert directly (no change in ownership)}} \ 33 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFTestingRef' (aka '__CFError *') into ARC}} 34} 35 36typedef CFErrorRef CFErrorRef1; 37 38typedef CFErrorRef1 CFErrorRef2; // expected-note 2 {{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 5 {{declared here}} 47 48@interface MyError : NSError // expected-note 1 {{declared here}} 49@end 50 51@interface NSUColor @end 52 53@class NSString; 54 55void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) { 56 (void)(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 to convert directly (no change in ownership)}} \ 59 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} 60 (void)(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 to convert directly (no change in ownership)}} \ 62 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} 63 (void)(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 {{__bridge to convert directly (no change in ownership)}} \ 65 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} \ 66 // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'MyError'}} 67 (void)(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 to convert directly (no change in ownership)}} \ 69 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFUColor2Ref' (aka '__CFUPrimeColor *') into ARC}} 70 (void)(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 to convert directly (no change in ownership)}} \ 72 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} 73 (void)(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 to convert directly (no change in ownership)}} \ 76 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} 77 (void)(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 to convert directly (no change in ownership)}} \ 80 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} 81 (void)(CFErrorRef)c; // expected-warning {{'__unsafe_unretained 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 to convert directly (no change in ownership)}} \ 84 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} 85} 86 87 88void Test3(CFErrorRef cf, NSError *ns) { 89 (void)(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 to convert directly (no change in ownership)}} \ 91 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}} 92 (void)(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 to convert directly (no change in ownership)}} \ 94 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}} 95 (void)(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 to convert directly (no change in ownership)}} \ 98 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}} 99} 100 101void Test4(CFMyErrorRef cf) { 102 (void)(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 to convert directly (no change in ownership)}} \ 104 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} 105 (void)(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 to convert directly (no change in ownership)}} \ 107 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} 108 (void)(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 to convert directly (no change in ownership)}} \ 110 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} 111 (void)(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 to convert directly (no change in ownership)}} \ 113 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} 114 (void)(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 to convert directly (no change in ownership)}} \ 117 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}} 118} 119 120void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { 121 (void)(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 to convert directly (no change in ownership)}} \ 123 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} 124 (void)(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 to convert directly (no change in ownership)}} \ 126 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} 127 (void)(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 to convert directly (no change in ownership)}} \ 129 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} 130 (void)(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 to convert directly (no change in ownership)}} \ 132 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} 133 (void)(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 to convert directly (no change in ownership)}} \ 135 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}} 136} 137 138void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { 139 140 (void)(CFMyErrorRef)ID; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ 141 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 142 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} 143 (void)(CFMyErrorRef)P123; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ 144 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 145 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} 146 (void)(CFMyErrorRef)P1234; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ 147 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 148 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} 149 (void)(CFMyErrorRef)P12; // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ 150 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 151 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} 152 (void)(CFMyErrorRef)P23; // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') requires a bridged cast}} \ 153 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 154 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *')}} 155} 156 157typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 1 {{declared here}} 158 159@interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}} 160@end 161 162void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { 163 (void)(CFMyPersonalErrorRef)ID; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ 164 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 165 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} 166 (void)(CFMyPersonalErrorRef)P123; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ 167 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 168 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} 169 (void)(CFMyPersonalErrorRef)P1234; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ 170 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 171 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} 172 (void)(CFMyPersonalErrorRef)P12; // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ 173 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 174 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} 175 (void)(CFMyPersonalErrorRef)P23; // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') requires a bridged cast}} \ 176 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 177 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *')}} 178} 179 180void Test8(CFMyPersonalErrorRef cf) { 181 (void)(id)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \ 182 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 183 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} 184 (void)(id<P1>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1>' requires a bridged cast}} \ 185 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 186 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} 187 (void)(id<P1, P2>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \ 188 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 189 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} 190 (void)(id<P1, P2, P3>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2,P3>' requires a bridged cast}} \ 191 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 192 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} 193 (void)(id<P1, P2, P3, P4>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2,P3,P4>' requires a bridged cast}} \ 194 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 195 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} 196 (void)(id<P1, P2, P3, P4, P5>)cf; // expected-warning {{'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') bridges to MyPersonalError, not 'id<P1,P2,P3,P4,P5>'}} \ 197 // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2,P3,P4,P5>' requires a bridged cast}} \ 198 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 199 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka '__CFMyPersonalErrorRef *') into ARC}} 200} 201 202void Test9(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) { 203 (void)(__bridge NSString *)cf; // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'NSString'}} 204 (void)(__bridge NSError *)cf; // okay 205 (void)(__bridge NSUColor *)cf2; // okay 206 (void)(__bridge CFErrorRef)ns; // okay 207 (void)(__bridge CFErrorRef)str; // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}} 208 (void)(__bridge Class)cf; // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'Class'}} 209 (void)(__bridge CFErrorRef)c; // expected-warning {{'__unsafe_unretained Class' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}} 210} 211