1 // RUN: %clang_cc1 -fsyntax-only -x objective-c -fobjc-arc -verify -Wno-objc-root-class %s 2 // rdar://15454846 3 4 typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 5 {{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 void * __attribute__ ((objc_bridge(NSURL))) CFURLRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}} 13 14 typedef void * CFStringRef __attribute__ ((objc_bridge(NSString))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}} 15 16 typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}} 17 18 typedef struct __CFData __attribute__((objc_bridge(NSData))) CFDataRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}} 19 20 typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef; 21 22 typedef struct __CFSetRef * CFSetRef __attribute__((objc_bridge(NSSet))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}} 23 24 typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) * CFUColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}} 25 26 // This error requires C11. 27 #if __STDC_VERSION__ > 199901L 28 typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) * CFUColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}} 29 #endif 30 31 typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) *CFUColor1Ref; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}} 32 33 typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX; 34 typedef XXX *CFUColor2Ref; 35 36 @interface I 37 { 38 __attribute__((objc_bridge(NSError))) void * color; // expected-error {{'objc_bridge' attribute only applies to structs, unions, and typedefs}}; 39 } 40 @end 41 42 @protocol NSTesting @end 43 @class NSString; 44 45 typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}} 46 47 id Test1(CFTestingRef cf) { 48 return (NSString *)cf; // expected-error {{CF object of type 'CFTestingRef' (aka 'struct __CFError *') is bridged to 'NSTesting', which is not an Objective-C class}} \ 49 // expected-error {{cast of C pointer type 'CFTestingRef' (aka 'struct __CFError *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \ 50 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 51 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFTestingRef' (aka 'struct __CFError *') into ARC}} 52 } 53 54 typedef CFErrorRef CFErrorRef1; 55 56 typedef CFErrorRef1 CFErrorRef2; // expected-note 2 {{declared here}} 57 58 @protocol P1 @end 59 @protocol P2 @end 60 @protocol P3 @end 61 @protocol P4 @end 62 @protocol P5 @end 63 64 @interface NSError<P1, P2, P3> @end // expected-note 5 {{declared here}} 65 66 @interface MyError : NSError // expected-note 1 {{declared here}} 67 @end 68 69 @interface NSUColor @end 70 71 @class NSString; 72 73 void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) { 74 (void)(NSString *)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'NSString'}} \ 75 // expected-error {{cast of C pointer type 'CFErrorRef2' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \ 76 // expected-note {{__bridge to convert directly (no change in ownership)}} \ 77 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka 'struct __CFErrorRef *') into ARC}} 78 (void)(NSError *)cf; // expected-error {{cast of C pointer type 'CFErrorRef2' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'NSError *' 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 'struct __CFErrorRef *') into ARC}} 81 (void)(MyError*)cf; // expected-error {{cast of C pointer type 'CFErrorRef2' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'MyError *' requires a bridged cast}} \ 82 // expected-note {{__bridge to convert directly (no change in ownership)}} \ 83 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef2' (aka 'struct __CFErrorRef *') into ARC}} \ 84 // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'MyError'}} 85 (void)(NSUColor *)cf2; // expected-error {{cast of C pointer type 'CFUColor2Ref' (aka 'union __CFUPrimeColor *') to Objective-C pointer type 'NSUColor *' requires a bridged cast}} \ 86 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 87 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFUColor2Ref' (aka 'union __CFUPrimeColor *') into ARC}} 88 (void)(CFErrorRef)ns; // expected-error {{cast of Objective-C pointer type 'NSError *' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \ 89 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 90 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 91 (void)(CFErrorRef)str; // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}} \\ 92 // expected-error {{cast of Objective-C pointer type 'NSString *' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \ 93 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 94 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 95 (void)(Class)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'Class'}} \\ 96 // expected-error {{cast of C pointer type 'CFErrorRef2' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'Class' 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 'CFErrorRef2' (aka 'struct __CFErrorRef *') into ARC}} 99 (void)(CFErrorRef)c; // expected-warning {{'__unsafe_unretained Class' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *}} \\ 100 // expected-error {{cast of Objective-C pointer type 'Class' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \ 101 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 102 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 103 } 104 105 106 void Test3(CFErrorRef cf, NSError *ns) { 107 (void)(id)cf; // expected-error {{cast of C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \ 108 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 109 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef' (aka 'struct __CFErrorRef *') into ARC}} 110 (void)(id<P1, P2>)cf; // expected-error {{cast of C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \ 111 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 112 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef' (aka 'struct __CFErrorRef *') into ARC}} 113 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFErrorRef' (aka 'struct __CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}} \ 114 // expected-error {{cast of C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \ 115 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 116 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFErrorRef' (aka 'struct __CFErrorRef *') into ARC}} 117 } 118 119 void Test4(CFMyErrorRef cf) { 120 (void)(id)cf; // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \ 121 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 122 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}} 123 (void)(id<P1, P2>)cf; // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \ 124 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 125 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}} 126 (void)(id<P1, P2, P3>)cf; // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2,P3>' requires a bridged cast}} \ 127 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 128 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}} 129 (void)(id<P2, P3>)cf; // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') to Objective-C pointer type 'id<P2,P3>' requires a bridged cast}} \ 130 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 131 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}} 132 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}} \ 133 // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \ 134 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 135 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}} 136 } 137 138 void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { 139 (void)(CFErrorRef)ID; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \ 140 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 141 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 142 (void)(CFErrorRef)P123; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \ 143 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 144 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 145 (void)(CFErrorRef)P1234; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \ 146 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 147 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 148 (void)(CFErrorRef)P12; // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \ 149 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 150 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 151 (void)(CFErrorRef)P23; // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \ 152 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 153 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 154 } 155 156 void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { 157 158 (void)(CFMyErrorRef)ID; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') requires a bridged cast}} \ 159 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 160 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *')}} 161 (void)(CFMyErrorRef)P123; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') requires a bridged cast}} \ 162 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 163 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *')}} 164 (void)(CFMyErrorRef)P1234; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') requires a bridged cast}} \ 165 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 166 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *')}} 167 (void)(CFMyErrorRef)P12; // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') requires a bridged cast}} \ 168 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 169 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *')}} 170 (void)(CFMyErrorRef)P23; // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') requires a bridged cast}} \ 171 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 172 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *')}} 173 } 174 175 typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 1 {{declared here}} 176 177 @interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}} 178 @end 179 180 void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { 181 (void)(CFMyPersonalErrorRef)ID; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') requires a bridged cast}} \ 182 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 183 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}} 184 (void)(CFMyPersonalErrorRef)P123; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') requires a bridged cast}} \ 185 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 186 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}} 187 (void)(CFMyPersonalErrorRef)P1234; // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') requires a bridged cast}} \ 188 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 189 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}} 190 (void)(CFMyPersonalErrorRef)P12; // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') requires a bridged cast}} \ 191 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 192 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}} 193 (void)(CFMyPersonalErrorRef)P23; // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') requires a bridged cast}} \ 194 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 195 // expected-note {{use __bridge_retained to make an ARC object available as a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *')}} 196 } 197 198 void Test8(CFMyPersonalErrorRef cf) { 199 (void)(id)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \ 200 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 201 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') into ARC}} 202 (void)(id<P1>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1>' requires a bridged cast}} \ 203 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 204 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') into ARC}} 205 (void)(id<P1, P2>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \ 206 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 207 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') into ARC}} 208 (void)(id<P1, P2, P3>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2,P3>' requires a bridged cast}} \ 209 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 210 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') into ARC}} 211 (void)(id<P1, P2, P3, P4>)cf; // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2,P3,P4>' requires a bridged cast}} \ 212 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 213 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') into ARC}} 214 (void)(id<P1, P2, P3, P4, P5>)cf; // expected-warning {{'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') bridges to MyPersonalError, not 'id<P1,P2,P3,P4,P5>'}} \ 215 // expected-error {{cast of C pointer type 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') to Objective-C pointer type 'id<P1,P2,P3,P4,P5>' requires a bridged cast}} \ 216 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 217 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') into ARC}} 218 } 219 220 void Test9(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) { 221 (void)(__bridge NSString *)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'NSString'}} 222 (void)(__bridge NSError *)cf; // okay 223 (void)(__bridge MyError*)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'MyError'}} 224 (void)(__bridge NSUColor *)cf2; // okay 225 (void)(__bridge CFErrorRef)ns; // okay 226 (void)(__bridge CFErrorRef)str; // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 227 (void)(__bridge Class)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'Class'}} 228 (void)(__bridge CFErrorRef)c; // expected-warning {{'__unsafe_unretained Class' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 229 } 230 231 // rdar://19157264 232 #if __has_feature(objc_bridge_id) 233 typedef struct __attribute__((objc_bridge(id))) __CFFoo *CFFooRef; 234 #endif 235 236 id convert(CFFooRef obj) { 237 (void)(NSError *)obj; // expected-error {{cast of C pointer type 'CFFooRef' (aka 'struct __CFFoo *') to Objective-C pointer type 'NSError *' requires a bridged cast}} \ 238 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 239 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFFooRef' (aka 'struct __CFFoo *') into ARC}} 240 (void) (__bridge NSError *)obj; 241 (void) (id)obj; // expected-error {{cast of C pointer type 'CFFooRef' (aka 'struct __CFFoo *') to Objective-C pointer type 'id' requires a bridged cast}} \ 242 // expected-note {{use __bridge to convert directly (no change in ownership)}} \ 243 // expected-note {{use __bridge_transfer to transfer ownership of a +1 'CFFooRef' (aka 'struct __CFFoo *') into ARC}} 244 return (__bridge id)obj; 245 } 246
