1 // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-nonfragile-abi -fsyntax-only -fobjc-arc -fblocks -verify %s 2 // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-nonfragile-abi -fsyntax-only -fblocks %s 3 4 typedef const void *CFTypeRef; 5 typedef const struct __CFString *CFStringRef; 6 7 @interface NSString 8 @end 9 10 CFTypeRef CFCreateSomething(); 11 CFStringRef CFCreateString(); 12 CFTypeRef CFGetSomething(); 13 CFStringRef CFGetString(); 14 15 id CreateSomething(); 16 NSString *CreateNSString(); 17 18 void from_cf() { 19 id obj1 = (__bridge_transfer id)CFCreateSomething(); 20 id obj2 = (__bridge_transfer NSString*)CFCreateString(); 21 (__bridge int*)CFCreateSomething(); // expected-error{{incompatible types casting 'CFTypeRef' (aka 'const void *') to 'int *' with a __bridge cast}} 22 id obj3 = (__bridge id)CFGetSomething(); 23 id obj4 = (__bridge NSString*)CFGetString(); 24 } 25 26 void to_cf(id obj) { 27 CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); 28 CFStringRef cf2 = (__bridge_retained CFStringRef)CreateNSString(); 29 CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); 30 CFStringRef cf4 = (__bridge CFStringRef)CreateNSString(); 31 32 // rdar://problem/9629566 - temporary workaround 33 CFTypeRef cf5 = (__bridge_retain CFTypeRef)CreateSomething(); // expected-error {{unknown cast annotation __bridge_retain; did you mean __bridge_retained?}} 34 } 35 36 void fixits() { 37 id obj1 = (id)CFCreateSomething(); // expected-error{{cast of C pointer type 'CFTypeRef' (aka 'const void *') to Objective-C pointer type 'id' requires a bridged cast}} \ 38 // expected-note{{use __bridge to convert directly (no change in ownership)}} \ 39 // expected-note{{use __bridge_transfer to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}} 40 CFTypeRef cf1 = (CFTypeRef)CreateSomething(); // expected-error{{cast of Objective-C pointer type 'id' to C pointer type 'CFTypeRef' (aka 'const void *') requires a bridged cast}} \ 41 // expected-note{{use __bridge to convert directly (no change in ownership)}} \ 42 // expected-note{{use __bridge_retained to make an ARC object available as a +1 'CFTypeRef' (aka 'const void *')}} 43 } 44
