1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 // rdar://15454846 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 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; // expected-note {{declared here}} 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 typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) *CFUColor1Ref; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}} 27 28 typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX; 29 typedef XXX *CFUColor2Ref; 30 31 typedef const void *ConstVoidRef __attribute__((objc_bridge(id))); 32 typedef void *VoidRef __attribute__((objc_bridge(id))); 33 typedef struct Opaque *OpaqueRef __attribute__((objc_bridge(id))); // expected-error {{'objc_bridge(id)' is only allowed on structs and typedefs of void pointers}} 34 35 #if !__has_feature(objc_bridge_id_on_typedefs) 36 #error objc_bridge(id) on typedefs feature not found! 37 #endif 38 39 @interface I 40 { 41 __attribute__((objc_bridge(NSError))) void * color; // expected-error {{'objc_bridge' attribute only applies to structs, unions, and typedefs}}; 42 } 43 @end 44 45 @protocol NSTesting @end 46 @class NSString; 47 48 typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}} 49 50 id Test1(CFTestingRef cf) { 51 return (NSString *)cf; // expected-error {{CF object of type 'CFTestingRef' (aka 'struct __CFError *') is bridged to 'NSTesting', which is not an Objective-C class}} 52 } 53 54 typedef CFErrorRef CFErrorRef1; 55 56 typedef CFErrorRef1 CFErrorRef2; // expected-note {{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 3 {{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 (void)(NSError *)cf; // okay 76 (void)(MyError*)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'MyError'}} 77 (void)(NSUColor *)cf2; // okay 78 (void)(CFErrorRef)ns; // okay 79 (void)(CFErrorRef)str; // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}} 80 (void)(Class)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'Class'}} 81 (void)(CFErrorRef)c; // expected-warning {{'Class' cannot bridge to 'CFErrorRef'}} 82 } 83 84 85 void Test3(CFErrorRef cf, NSError *ns) { 86 (void)(id)cf; // okay 87 (void)(id<P1, P2>)cf; // okay 88 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFErrorRef' (aka 'struct __CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}} 89 } 90 91 void Test4(CFMyErrorRef cf) { 92 (void)(id)cf; // okay 93 (void)(id<P1, P2>)cf; // ok 94 (void)(id<P1, P2, P3>)cf; // ok 95 (void)(id<P2, P3>)cf; // ok 96 (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}} 97 } 98 99 void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { 100 (void)(CFErrorRef)ID; // ok 101 (void)(CFErrorRef)P123; // ok 102 (void)(CFErrorRef)P1234; // ok 103 (void)(CFErrorRef)P12; // ok 104 (void)(CFErrorRef)P23; // ok 105 } 106 107 void Test6(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { 108 109 (void)(CFMyErrorRef)ID; // ok 110 (void)(CFMyErrorRef)P123; // ok 111 (void)(CFMyErrorRef)P1234; // ok 112 (void)(CFMyErrorRef)P12; // ok 113 (void)(CFMyErrorRef)P23; // ok 114 } 115 116 typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef; // expected-note 1 {{declared here}} 117 118 @interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}} 119 @end 120 121 void Test7(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) { 122 (void)(CFMyPersonalErrorRef)ID; // ok 123 (void)(CFMyPersonalErrorRef)P123; // ok 124 (void)(CFMyPersonalErrorRef)P1234; // ok 125 (void)(CFMyPersonalErrorRef)P12; // ok 126 (void)(CFMyPersonalErrorRef)P23; // ok 127 } 128 129 void Test8(CFMyPersonalErrorRef cf) { 130 (void)(id)cf; // ok 131 (void)(id<P1>)cf; // ok 132 (void)(id<P1, P2>)cf; // ok 133 (void)(id<P1, P2, P3>)cf; // ok 134 (void)(id<P1, P2, P3, P4>)cf; // ok 135 (void)(id<P1, P2, P3, P4, P5>)cf; // expected-warning {{'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') bridges to MyPersonalError, not 'id<P1,P2,P3,P4,P5>'}} 136 } 137 138 CFDictionaryRef bar() __attribute__((cf_returns_not_retained)); 139 @class NSNumber; 140 141 void Test9() { 142 NSNumber *w2 = (NSNumber*) bar(); // expected-error {{CF object of type 'CFDictionaryRef' (aka 'struct __CFDictionary *') is bridged to 'NSDictionary', which is not an Objective-C class}} 143 } 144 145 // rdar://18311183 146 @interface NSObject @end 147 148 @interface NSFont : NSObject @end 149 150 typedef struct __attribute__ ((objc_bridge(NSFont))) __CFFontRef * CFFontRef; 151 152 void Test10(CFFontRef cf) { 153 (void)(__bridge NSObject *)cf; 154 } 155
