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
