1 // // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -verify %s
3 typedef const struct __CFString * CFStringRef;
4 typedef const void * CFTypeRef;
5 CFTypeRef CFBridgingRetain(id X);
6 id CFBridgingRelease(CFTypeRef);
10 @property CFStringRef property;
11 - (CFStringRef) implicitProperty;
12 - (CFStringRef) newString;
13 - (CFStringRef) makeString;
16 extern Object *object;
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;
25 CFStringRef unauditedString(void);
26 CFStringRef plusOneString(void) __attribute__((cf_returns_retained));
28 #pragma clang arc_cf_code_audited begin
29 CFStringRef auditedString(void);
30 CFStringRef auditedCreateString(void);
31 #pragma clang arc_cf_code_audited end
33 extern const CFStringRef kUserConst;
35 void test1(int cond) {
37 x = (id) auditedString();
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);
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}}
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}}
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]);
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);
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);
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]);
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}}
84 - (void) takeOrdinary: (CFStringRef) arg;
85 - (void) takeVariadic: (int) n, ...;
86 - (void) takeConsumed: (CFStringRef __attribute__((cf_consumed))) arg;
88 void 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}}
94 void takeCFOrdinaryUnaudited(CFStringRef arg);
95 void takeCFVariadicUnaudited(int n, ...);
96 void takeCFConsumedUnaudited(CFStringRef __attribute__((cf_consumed)) arg);
97 #pragma clang arc_cf_code_audited begin
98 void takeCFOrdinaryAudited(CFStringRef arg);
99 void takeCFVariadicAudited(int n, ...);
100 void takeCFConsumedAudited(CFStringRef __attribute__((cf_consumed)) arg);
101 #pragma clang arc_cf_code_audited end
103 void 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}}
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}}
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}}
116 void 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}}
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}}
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}}