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1// RUN: %clang_cc1 -fsyntax-only -x objective-c++ -fobjc-arc -verify -Wno-objc-root-class %s2 3typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 3 {{declared here}}4 5typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}6 7typedef struct __attribute__((objc_bridge(12))) __CFMyColor *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}8 9typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{'objc_bridge' attribute takes one argument}}10 11typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}}12 13typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef;14 15typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX;16typedef XXX *CFUColor2Ref;17 18@interface I19{20}21@end22 23@protocol NSTesting @end24@class NSString;25 26typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}}27 28id Test1(CFTestingRef cf) {29 return static_cast<NSString *>(cf); // expected-error {{CF object of type 'CFTestingRef' (aka 'struct __CFError *') is bridged to 'NSTesting', which is not an Objective-C class}} \30 // expected-error {{cast of C pointer type 'CFTestingRef' (aka 'struct __CFError *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \31 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \32 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFTestingRef' (aka 'struct __CFError *') into ARC}}33}34 35typedef CFErrorRef CFErrorRef1;36 37typedef CFErrorRef1 CFErrorRef2; // expected-note 1 {{declared here}}38 39@protocol P1 @end40@protocol P2 @end41@protocol P3 @end42@protocol P4 @end43@protocol P5 @end44 45@interface NSError<P1, P2, P3> @end // expected-note 3 {{declared here}}46 47@interface MyError : NSError // expected-note 1 {{declared here}}48@end49 50@interface NSUColor @end51 52@class NSString;53 54void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) {55 (void)static_cast<NSString *>(cf); // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'NSString'}} \56 // expected-error {{cast of C pointer type 'CFErrorRef2' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \57 // expected-note {{__bridge with C-style cast to convert directly (no change in ownership)}} \58 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka 'struct __CFErrorRef *') into ARC}}59 (void)static_cast<NSError *>(cf); // expected-error {{cast of C pointer type 'CFErrorRef2' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'NSError *' requires a bridged cast}} \60 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \61 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka 'struct __CFErrorRef *') into ARC}}62 (void)static_cast<MyError*>(cf); // expected-error {{cast of C pointer type 'CFErrorRef2' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'MyError *' requires a bridged cast}} \63 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \64 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka 'struct __CFErrorRef *') into ARC}} \65 // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'MyError'}}66 (void)static_cast<NSUColor *>(cf2); // expected-error {{cast of C pointer type 'CFUColor2Ref' (aka 'union __CFUPrimeColor *') to Objective-C pointer type 'NSUColor *' requires a bridged cast}} \67 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \68 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFUColor2Ref' (aka 'union __CFUPrimeColor *') into ARC}}69 (void)static_cast<CFErrorRef>(ns); // expected-error {{cast of Objective-C pointer type 'NSError *' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \70 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \71 // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}}72 (void)static_cast<CFErrorRef>(str); // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}} \\73 // expected-error {{cast of Objective-C pointer type 'NSString *' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \74 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \75 // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}}76 (void)static_cast<Class>(cf); // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'Class'}} \\77 // expected-error {{cast of C pointer type 'CFErrorRef2' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'Class' requires a bridged cast}} \78 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \79 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka 'struct __CFErrorRef *') into ARC}}80 (void)static_cast<CFErrorRef>(c); // expected-warning {{'Class' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *'}} \\81 // expected-error {{cast of Objective-C pointer type 'Class' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \82 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \83 // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}}84}85 86 87void Test3(CFErrorRef cf, NSError *ns) {88 (void)static_cast<id>(cf); // expected-error {{cast of C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \89 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \90 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef' (aka 'struct __CFErrorRef *') into ARC}}91 (void)static_cast< 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}} \92 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \93 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef' (aka 'struct __CFErrorRef *') into ARC}}94 (void)static_cast< id<P1, P2, P4> >(cf); // expected-warning {{'CFErrorRef' (aka 'struct __CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}} \95 // expected-error {{cast of C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \96 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \97 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef' (aka 'struct __CFErrorRef *') into ARC}}98}99 100void Test4(CFMyErrorRef cf) {101 (void)static_cast<id>(cf); // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \102 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \103 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}}104 (void)static_cast< 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}} \105 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \106 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}}107 (void)static_cast< 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}} \108 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \109 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}}110 (void)static_cast< 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}} \111 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \112 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}}113 (void)static_cast< id<P1, P2, P4> >(cf); // expected-warning {{'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}} \114 // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \115 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \116 // expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') into ARC}}117}118 119void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {120 (void)static_cast<CFErrorRef>(ID); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFErrorRef' (aka 'struct __CFErrorRef *') requires a bridged cast}} \121 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \122 // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}}123 (void)static_cast<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}} \124 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \125 // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}}126 (void)static_cast<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}} \127 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \128 // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}}129 (void)static_cast<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}} \130 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \131 // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}}132 (void)static_cast<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}} \133 // expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \134 // expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka 'struct __CFErrorRef *')}}135}136