forked from OSchip/llvm-project
71 lines
2.8 KiB
Plaintext
71 lines
2.8 KiB
Plaintext
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -verify %s
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typedef const void *CFTypeRef;
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typedef const struct __CFString *CFStringRef;
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@interface NSString
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@end
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CFTypeRef CFCreateSomething();
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CFStringRef CFCreateString();
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CFTypeRef CFGetSomething();
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CFStringRef CFGetString();
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id CreateSomething();
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NSString *CreateNSString();
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template<typename IdType, typename StringType, typename IntPtrType>
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void from_cf() {
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id obj1 = (__bridge_transfer IdType)CFCreateSomething();
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id obj2 = (__bridge_transfer StringType)CFCreateString();
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(__bridge IntPtrType)CFCreateSomething(); // expected-error{{incompatible types casting 'CFTypeRef' (aka 'const void *') to 'int *' with a __bridge cast}}
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id obj3 = (__bridge IdType)CFGetSomething();
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id obj4 = (__bridge StringType)CFGetString();
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}
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template void from_cf<id, NSString*, int*>(); // expected-note{{in instantiation of function template specialization}}
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template<typename IdType, typename StringType>
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void to_cf(id obj) {
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CFTypeRef cf1 = (__bridge_retained IdType)CreateSomething();
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CFStringRef cf2 = (__bridge_retained StringType)CreateNSString();
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CFTypeRef cf3 = (__bridge IdType)CreateSomething();
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CFStringRef cf4 = (__bridge StringType)CreateNSString();
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}
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template void to_cf<CFTypeRef, CFStringRef>(id);
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// rdar://problem/20107345
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typedef const struct __attribute__((objc_bridge(id))) __CFAnnotatedObject *CFAnnotatedObjectRef;
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CFAnnotatedObjectRef CFGetAnnotated();
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void testObjCBridgeId() {
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id obj;
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obj = (__bridge id)CFGetAnnotated();
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obj = (__bridge NSString*)CFGetAnnotated();
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obj = (__bridge_transfer id)CFGetAnnotated();
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obj = (__bridge_transfer NSString*)CFGetAnnotated();
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CFAnnotatedObjectRef ref;
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ref = (__bridge CFAnnotatedObjectRef) CreateSomething();
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ref = (__bridge CFAnnotatedObjectRef) CreateNSString();
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ref = (__bridge_retained CFAnnotatedObjectRef) CreateSomething();
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ref = (__bridge_retained CFAnnotatedObjectRef) CreateNSString();
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}
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struct __CFAnnotatedObject {
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} cf0;
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extern const CFAnnotatedObjectRef r0;
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extern const CFAnnotatedObjectRef r1 = &cf0;
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extern "C" const CFAnnotatedObjectRef r2;
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extern "C" const CFAnnotatedObjectRef r3 = &cf0;
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void testExternC() {
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id obj;
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obj = (id)r0;
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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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obj = (id)r2;
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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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}
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