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1// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -verify %s2 3typedef const void *CFTypeRef;4typedef const struct __CFString *CFStringRef;5 6@interface NSString7@end8 9CFTypeRef CFCreateSomething();10CFStringRef CFCreateString();11CFTypeRef CFGetSomething();12CFStringRef CFGetString();13 14id CreateSomething();15NSString *CreateNSString();16 17template<typename IdType, typename StringType, typename IntPtrType>18void from_cf() {19 id obj1 = (__bridge_transfer IdType)CFCreateSomething();20 id obj2 = (__bridge_transfer StringType)CFCreateString();21 (__bridge IntPtrType)CFCreateSomething(); // expected-error{{incompatible types casting 'CFTypeRef' (aka 'const void *') to 'int *' with a __bridge cast}}22 id obj3 = (__bridge IdType)CFGetSomething();23 id obj4 = (__bridge StringType)CFGetString();24}25 26template void from_cf<id, NSString*, int*>(); // expected-note{{in instantiation of function template specialization}}27 28template<typename IdType, typename StringType>29void to_cf(id obj) {30 CFTypeRef cf1 = (__bridge_retained IdType)CreateSomething();31 CFStringRef cf2 = (__bridge_retained StringType)CreateNSString();32 CFTypeRef cf3 = (__bridge IdType)CreateSomething();33 CFStringRef cf4 = (__bridge StringType)CreateNSString();34}35 36template void to_cf<CFTypeRef, CFStringRef>(id);37 38typedef const struct __attribute__((objc_bridge(id))) __CFAnnotatedObject *CFAnnotatedObjectRef;39CFAnnotatedObjectRef CFGetAnnotated();40 41void testObjCBridgeId() {42 id obj;43 obj = (__bridge id)CFGetAnnotated();44 obj = (__bridge NSString*)CFGetAnnotated();45 obj = (__bridge_transfer id)CFGetAnnotated();46 obj = (__bridge_transfer NSString*)CFGetAnnotated();47 48 CFAnnotatedObjectRef ref;49 ref = (__bridge CFAnnotatedObjectRef) CreateSomething();50 ref = (__bridge CFAnnotatedObjectRef) CreateNSString();51 ref = (__bridge_retained CFAnnotatedObjectRef) CreateSomething();52 ref = (__bridge_retained CFAnnotatedObjectRef) CreateNSString();53}54 55struct __CFAnnotatedObject {56} cf0;57 58extern const CFAnnotatedObjectRef r0;59extern const CFAnnotatedObjectRef r1 = &cf0;60extern "C" const CFAnnotatedObjectRef r2;61extern "C" const CFAnnotatedObjectRef r3 = &cf0;62 63void testExternC() {64 id obj;65 obj = (id)r0;66 obj = (id)r1; // expected-error{{cast of C pointer type 'CFAnnotatedObjectRef' (aka 'const struct __CFAnnotatedObject *') to Objective-C pointer type 'id' requires a bridged cast}} expected-note{{use __bridge to convert directly}} expected-note{{use __bridge_transfer to transfer ownership of a +1 'CFAnnotatedObjectRef'}}67 obj = (id)r2;68 obj = (id)r3; // expected-error{{cast of C pointer type 'CFAnnotatedObjectRef' (aka 'const struct __CFAnnotatedObject *') to Objective-C pointer type 'id' requires a bridged cast}} expected-note{{use __bridge to convert directly}} expected-note{{use __bridge_transfer to transfer ownership of a +1 'CFAnnotatedObjectRef'}}69}70