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