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| // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s
typedef const struct __CFString * CFStringRef;
typedef const void * CFTypeRef;
extern "C" CFTypeRef CFBridgingRetain(id X);
extern "C" id CFBridgingRelease(CFTypeRef);
@interface Object
@property CFStringRef property;
- (CFStringRef) implicitProperty;
- (CFStringRef) newString;
- (CFStringRef) makeString;
@end
extern Object *object;
// rdar://9744349
id test0(void) {
id p1 = (id)[object property];
id p2 = (__bridge_transfer id)[object property];
id p3 = (__bridge id)[object property];
return (id) object.property;
}
// rdar://10140692
CFStringRef unauditedString(void);
CFStringRef plusOneString(void) __attribute__((cf_returns_retained));
#pragma clang arc_cf_code_audited begin
CFStringRef auditedString(void);
CFStringRef auditedCreateString(void);
#pragma clang arc_cf_code_audited end
void test1(int cond) {
id x;
x = (id) auditedString();
x = (id) (cond ? auditedString() : (void*) 0);
x = (id) (cond ? (void*) 0 : auditedString());
x = (id) (cond ? (CFStringRef) @"help" : auditedString());
x = (id) unauditedString(); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}}
x = (id) (cond ? unauditedString() : (void*) 0); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}}
x = (id) (cond ? (void*) 0 : unauditedString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}}
x = (id) (cond ? (CFStringRef) @"help" : unauditedString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}}
x = (id) auditedCreateString(); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}}
x = (id) (cond ? auditedCreateString() : (void*) 0); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}}
x = (id) (cond ? (void*) 0 : auditedCreateString()); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}}
x = (id) (cond ? (CFStringRef) @"help" : auditedCreateString()); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}}
x = (id) [object property];
x = (id) (cond ? [object property] : (void*) 0);
x = (id) (cond ? (void*) 0 : [object property]);
x = (id) (cond ? (CFStringRef) @"help" : [object property]);
x = (id) object.property;
x = (id) (cond ? object.property : (void*) 0);
x = (id) (cond ? (void*) 0 : object.property);
x = (id) (cond ? (CFStringRef) @"help" : object.property);
x = (id) object.implicitProperty;
x = (id) (cond ? object.implicitProperty : (void*) 0);
x = (id) (cond ? (void*) 0 : object.implicitProperty);
x = (id) (cond ? (CFStringRef) @"help" : object.implicitProperty);
x = (id) [object makeString];
x = (id) (cond ? [object makeString] : (void*) 0);
x = (id) (cond ? (void*) 0 : [object makeString]);
x = (id) (cond ? (CFStringRef) @"help" : [object makeString]);
x = (id) [object newString];
x = (id) (cond ? [object newString] : (void*) 0);
x = (id) (cond ? (void*) 0 : [object newString]);
x = (id) (cond ? (CFStringRef) @"help" : [object newString]); // a bit questionable
}
// rdar://problem/10246264
@interface CFTaker
- (void) takeOrdinary: (CFStringRef) arg;
- (void) takeVariadic: (int) n, ...;
- (void) takeConsumed: (CFStringRef __attribute__((cf_consumed))) arg;
@end
void testCFTaker(CFTaker *taker, id string) {
[taker takeOrdinary: (CFStringRef) string];
[taker takeVariadic: 1, (CFStringRef) string];
[taker takeConsumed: (CFStringRef) string]; // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}}
}
void takeCFOrdinaryUnaudited(CFStringRef arg);
void takeCFVariadicUnaudited(int n, ...);
void takeCFConsumedUnaudited(CFStringRef __attribute__((cf_consumed)) arg);
#pragma clang arc_cf_code_audited begin
void takeCFOrdinaryAudited(CFStringRef arg);
void takeCFVariadicAudited(int n, ...);
void takeCFConsumedAudited(CFStringRef __attribute__((cf_consumed)) arg);
#pragma clang arc_cf_code_audited end
void testTakerFunctions(id string) {
takeCFOrdinaryUnaudited((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}}
takeCFVariadicUnaudited(1, (CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}}
takeCFConsumedUnaudited((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}}
void (*taker)(CFStringRef) = 0;
taker((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}}
takeCFOrdinaryAudited((CFStringRef) string);
takeCFVariadicAudited(1, (CFStringRef) string);
takeCFConsumedAudited((CFStringRef) string); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFStringRef'}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRetain call to}}
}
// rdar://12788838
id obj;
void rdar12788838() {
void *foo = reinterpret_cast<void *>(obj); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'void *' requires a bridged cast}} \
// expected-note {{use __bridge with C-style cast to convert directly}} \
// expected-note {{use CFBridgingRetain call to make an ARC object available as a +1 'void *'}}
}
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