| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -verify %s |
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| 2 | |
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| 3 | typedef const void *CFTypeRef; |
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| 4 | typedef const struct __CFString *CFStringRef; |
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| 5 | |
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| 6 | @interface NSString |
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| 7 | @end |
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| 8 | |
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| 9 | CFTypeRef CFCreateSomething(); |
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| 10 | CFStringRef CFCreateString(); |
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| 11 | CFTypeRef CFGetSomething(); |
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| 12 | CFStringRef CFGetString(); |
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| 13 | |
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| 14 | id CreateSomething(); |
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| 15 | NSString *CreateNSString(); |
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| 16 | |
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| 17 | template<typename IdType, typename StringType, typename IntPtrType> |
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| 18 | void from_cf() { |
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| 19 | id obj1 = (__bridge_transfer IdType)CFCreateSomething(); |
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| 20 | id obj2 = (__bridge_transfer StringType)CFCreateString(); |
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| 21 | (__bridge IntPtrType)CFCreateSomething(); // expected-error{{incompatible types casting 'CFTypeRef' (aka 'const void *') to 'int *' with a __bridge cast}} |
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| 22 | id obj3 = (__bridge IdType)CFGetSomething(); |
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| 23 | id obj4 = (__bridge StringType)CFGetString(); |
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| 24 | } |
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| 25 | |
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| 26 | template void from_cf<id, NSString*, int*>(); // expected-note{{in instantiation of function template specialization}} |
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| 27 | |
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| 28 | template<typename IdType, typename StringType> |
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| 29 | void to_cf(id obj) { |
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| 30 | CFTypeRef cf1 = (__bridge_retained IdType)CreateSomething(); |
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| 31 | CFStringRef cf2 = (__bridge_retained StringType)CreateNSString(); |
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| 32 | CFTypeRef cf3 = (__bridge IdType)CreateSomething(); |
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| 33 | CFStringRef cf4 = (__bridge StringType)CreateNSString(); |
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| 34 | } |
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| 35 | |
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| 36 | template void to_cf<CFTypeRef, CFStringRef>(id); |
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| 37 | |
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| 38 | // rdar://problem/20107345 |
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| 39 | typedef const struct __attribute__((objc_bridge(id))) __CFAnnotatedObject *CFAnnotatedObjectRef; |
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| 40 | CFAnnotatedObjectRef CFGetAnnotated(); |
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| 41 | |
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| 42 | void testObjCBridgeId() { |
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| 43 | id obj; |
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| 44 | obj = (__bridge id)CFGetAnnotated(); |
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| 45 | obj = (__bridge NSString*)CFGetAnnotated(); |
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| 46 | obj = (__bridge_transfer id)CFGetAnnotated(); |
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| 47 | obj = (__bridge_transfer NSString*)CFGetAnnotated(); |
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| 48 | |
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| 49 | CFAnnotatedObjectRef ref; |
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| 50 | ref = (__bridge CFAnnotatedObjectRef) CreateSomething(); |
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| 51 | ref = (__bridge CFAnnotatedObjectRef) CreateNSString(); |
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| 52 | ref = (__bridge_retained CFAnnotatedObjectRef) CreateSomething(); |
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| 53 | ref = (__bridge_retained CFAnnotatedObjectRef) CreateNSString(); |
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| 54 | } |
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| 55 | |
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| 56 | struct __CFAnnotatedObject { |
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| 57 | } cf0; |
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| 58 | |
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| 59 | extern const CFAnnotatedObjectRef r0; |
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| 60 | extern const CFAnnotatedObjectRef r1 = &cf0; |
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| 61 | extern "C" const CFAnnotatedObjectRef r2; |
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| 62 | extern "C" const CFAnnotatedObjectRef r3 = &cf0; |
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| 63 | |
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| 64 | void testExternC() { |
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| 65 | id obj; |
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| 66 | obj = (id)r0; |
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| 67 | obj = (id)r1; // expected-error{{cast of C pointer type 'CFAnnotatedObjectRef' (aka 'const __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'}} |
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| 68 | obj = (id)r2; |
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| 69 | obj = (id)r3; // expected-error{{cast of C pointer type 'CFAnnotatedObjectRef' (aka 'const __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'}} |
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| 70 | } |
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| 71 | |
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