forked from OSchip/llvm-project
44 lines
2.1 KiB
Objective-C
44 lines
2.1 KiB
Objective-C
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-nonfragile-abi -fsyntax-only -fobjc-arc -fblocks -verify %s
|
|
// RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fobjc-nonfragile-abi -fsyntax-only -fblocks %s
|
|
|
|
typedef const void *CFTypeRef;
|
|
typedef const struct __CFString *CFStringRef;
|
|
|
|
@interface NSString
|
|
@end
|
|
|
|
CFTypeRef CFCreateSomething();
|
|
CFStringRef CFCreateString();
|
|
CFTypeRef CFGetSomething();
|
|
CFStringRef CFGetString();
|
|
|
|
id CreateSomething();
|
|
NSString *CreateNSString();
|
|
|
|
void from_cf() {
|
|
id obj1 = (__bridge_transfer id)CFCreateSomething();
|
|
id obj2 = (__bridge_transfer NSString*)CFCreateString();
|
|
(__bridge int*)CFCreateSomething(); // expected-error{{incompatible types casting 'CFTypeRef' (aka 'const void *') to 'int *' with a __bridge cast}}
|
|
id obj3 = (__bridge id)CFGetSomething();
|
|
id obj4 = (__bridge NSString*)CFGetString();
|
|
}
|
|
|
|
void to_cf(id obj) {
|
|
CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething();
|
|
CFStringRef cf2 = (__bridge_retained CFStringRef)CreateNSString();
|
|
CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething();
|
|
CFStringRef cf4 = (__bridge CFStringRef)CreateNSString();
|
|
|
|
// rdar://problem/9629566 - temporary workaround
|
|
CFTypeRef cf5 = (__bridge_retain CFTypeRef)CreateSomething(); // expected-error {{unknown cast annotation __bridge_retain; did you mean __bridge_retained?}}
|
|
}
|
|
|
|
void fixits() {
|
|
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}} \
|
|
// expected-note{{use __bridge to convert directly (no change in ownership)}} \
|
|
// expected-note{{use __bridge_transfer to transfer ownership of a +1 'CFTypeRef' (aka 'const void *') into ARC}}
|
|
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}} \
|
|
// expected-note{{use __bridge to convert directly (no change in ownership)}} \
|
|
// expected-note{{use __bridge_retained to make an ARC object available as a +1 'CFTypeRef' (aka 'const void *')}}
|
|
}
|