1// // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s 2 3typedef const struct __CFString * CFStringRef; 4typedef const void * CFTypeRef; 5CFTypeRef CFBridgingRetain(id X); 6id CFBridgingRelease(CFTypeRef); 7 8 9@interface Object 10@property CFStringRef property; 11- (CFStringRef) implicitProperty; 12- (CFStringRef) newString; 13- (CFStringRef) makeString; 14@end 15 16extern Object *object; 17 18id test0(void) { 19 id p1 = (id)[object property]; 20 id p2 = (__bridge_transfer id)[object property]; 21 id p3 = (__bridge id)[object property]; 22 return (id) object.property; 23} 24 25CFStringRef unauditedString(void); 26CFStringRef plusOneString(void) __attribute__((cf_returns_retained)); 27 28#pragma clang arc_cf_code_audited begin 29CFStringRef auditedString(void); 30CFStringRef auditedCreateString(void); 31#pragma clang arc_cf_code_audited end 32 33extern const CFStringRef kUserConst; 34 35void test1(int cond) { 36 id x; 37 x = (id) auditedString(); 38 x = (id) kUserConst; 39 x = (id) (cond ? auditedString() : (void*) 0); 40 x = (id) (cond ? (void*) 0 : auditedString()); 41 x = (id) (cond ? (CFStringRef) @"help" : auditedString()); 42 x = (id) (cond ? (CFStringRef) @"help" : kUserConst); 43 44 x = (id) unauditedString(); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} 45 x = (id) (cond ? unauditedString() : (void*) 0); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} 46 x = (id) (cond ? unauditedString() : kUserConst); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} 47 x = (id) (cond ? (void*) 0 : unauditedString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} 48 x = (id) (cond ? (CFStringRef) @"help" : unauditedString()); // expected-error {{requires a bridged cast}} expected-note {{use __bridge to}} expected-note {{use CFBridgingRelease call to}} 49 50 x = (id) auditedCreateString(); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}} 51 x = (id) (cond ? auditedCreateString() : (void*) 0); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}} 52 x = (id) (cond ? (void*) 0 : auditedCreateString()); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}} 53 x = (id) (cond ? (CFStringRef) @"help" : auditedCreateString()); // expected-error {{requires a bridged cast}} expected-note {{use CFBridgingRelease call to}} 54 55 x = (id) [object property]; 56 x = (id) (cond ? [object property] : (void*) 0); 57 x = (id) (cond ? (void*) 0 : [object property]); 58 x = (id) (cond ? (CFStringRef) @"help" : [object property]); 59 60 x = (id) object.property; 61 x = (id) (cond ? object.property : (void*) 0); 62 x = (id) (cond ? (void*) 0 : object.property); 63 x = (id) (cond ? (CFStringRef) @"help" : object.property); 64 65 x = (id) object.implicitProperty; 66 x = (id) (cond ? object.implicitProperty : (void*) 0); 67 x = (id) (cond ? (void*) 0 : object.implicitProperty); 68 x = (id) (cond ? (CFStringRef) @"help" : object.implicitProperty); 69 70 x = (id) [object makeString]; 71 x = (id) (cond ? [object makeString] : (void*) 0); 72 x = (id) (cond ? (void*) 0 : [object makeString]); 73 x = (id) (cond ? (CFStringRef) @"help" : [object makeString]); 74 x = (id) (cond ? kUserConst : [object makeString]); 75 76 x = (id) [object newString]; 77 x = (id) (cond ? [object newString] : (void*) 0); 78 x = (id) (cond ? (void*) 0 : [object newString]); 79 x = (id) (cond ? (CFStringRef) @"help" : [object newString]); // a bit questionable 80 x = (id) (cond ? kUserConst : [object newString]); // expected-error{{requires a bridged cast}} expected-note{{use __bridge to}} expected-note{{use CFBridgingRelease call to}} 81} 82 83@interface CFTaker 84- (void) takeOrdinary: (CFStringRef) arg; 85- (void) takeVariadic: (int) n, ...; 86- (void) takeConsumed: (CFStringRef __attribute__((cf_consumed))) arg; 87@end 88void testCFTaker(CFTaker *taker, id string) { 89 [taker takeOrdinary: (CFStringRef) string]; 90 [taker takeVariadic: 1, (CFStringRef) string]; 91 [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}} 92} 93 94void takeCFOrdinaryUnaudited(CFStringRef arg); 95void takeCFVariadicUnaudited(int n, ...); 96void takeCFConsumedUnaudited(CFStringRef __attribute__((cf_consumed)) arg); 97#pragma clang arc_cf_code_audited begin 98void takeCFOrdinaryAudited(CFStringRef arg); 99void takeCFVariadicAudited(int n, ...); 100void takeCFConsumedAudited(CFStringRef __attribute__((cf_consumed)) arg); 101#pragma clang arc_cf_code_audited end 102 103void testTakerFunctions(id string) { 104 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}} 105 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}} 106 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}} 107 108 void (*taker)(CFStringRef) = 0; 109 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}} 110 111 takeCFOrdinaryAudited((CFStringRef) string); 112 takeCFVariadicAudited(1, (CFStringRef) string); 113 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}} 114} 115 116void testTakerFunctions_parens(id string) { 117 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}} 118 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}} 119 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}} 120 121 void (*taker)(CFStringRef) = 0; 122 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}} 123 124 takeCFOrdinaryAudited(((CFStringRef) string)); 125 takeCFVariadicAudited(1, ((CFStringRef) string)); 126 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}} 127} 128