| // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fblocks -verify %s |
| // rdar://10597832 |
| |
| 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(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}} |
| id obj2 = (__bridge_transfer NSString*)CFCreateString(); // expected-warning {{'__bridge_transfer' casts have no effect when not using ARC}} |
| (__bridge int*)CFCreateSomething(); // expected-warning {{expression result unused}} |
| id obj3 = (__bridge id)CFGetSomething(); |
| id obj4 = (__bridge NSString*)CFGetString(); |
| } |
| |
| void to_cf(id obj) { |
| CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); // expected-warning {{'__bridge_retained' casts have no effect when not using ARC}} |
| CFStringRef cf2 = (__bridge_retained CFStringRef)CreateNSString(); // expected-warning {{'__bridge_retained' casts have no effect when not using ARC}} |
| CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); |
| CFStringRef cf4 = (__bridge CFStringRef)CreateNSString(); |
| } |
| |
| void fixits() { |
| id obj1 = (id)CFCreateSomething(); |
| CFTypeRef cf1 = (CFTypeRef)CreateSomething(); |
| } |
| |
| #pragma clang diagnostic ignored "-Warc-bridge-casts-disallowed-in-nonarc" |
| |
| void to_cf_ignored(id obj) { |
| CFTypeRef cf1 = (__bridge_retained CFTypeRef)CreateSomething(); // no-warning |
| CFTypeRef cf3 = (__bridge CFTypeRef)CreateSomething(); // no-warning |
| } |