137 lines
12 KiB
Plaintext
137 lines
12 KiB
Plaintext
// RUN: %clang_cc1 -fsyntax-only -x objective-c++ -fobjc-arc -verify -Wno-objc-root-class %s
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// rdar://16756639
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typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 3 {{declared here}}
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typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}
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typedef struct __attribute__((objc_bridge(12))) __CFMyColor *CFMyColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be a single name of an Objective-C class}}
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typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{'objc_bridge' attribute takes one argument}}
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typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}}
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typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef;
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typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX;
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typedef XXX *CFUColor2Ref;
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@interface I
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{
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}
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@end
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@protocol NSTesting @end
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@class NSString;
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typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}}
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id Test1(CFTestingRef cf) {
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return static_cast<NSString *>(cf); // expected-error {{CF object of type 'CFTestingRef' (aka '__CFError *') is bridged to 'NSTesting', which is not an Objective-C class}} \
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// expected-error {{cast of C pointer type 'CFTestingRef' (aka '__CFError *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFTestingRef' (aka '__CFError *') into ARC}}
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}
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typedef CFErrorRef CFErrorRef1;
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typedef CFErrorRef1 CFErrorRef2; // expected-note 1 {{declared here}}
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@protocol P1 @end
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@protocol P2 @end
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@protocol P3 @end
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@protocol P4 @end
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@protocol P5 @end
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@interface NSError<P1, P2, P3> @end // expected-note 3 {{declared here}}
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@interface MyError : NSError // expected-note 1 {{declared here}}
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@end
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@interface NSUColor @end
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@class NSString;
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void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) {
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(void)static_cast<NSString *>(cf); // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'NSString'}} \
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// expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'NSString *' requires a bridged cast}} \
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// expected-note {{__bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}}
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(void)static_cast<NSError *>(cf); // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'NSError *' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}}
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(void)static_cast<MyError*>(cf); // expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'MyError *' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}} \
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// expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'MyError'}}
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(void)static_cast<NSUColor *>(cf2); // expected-error {{cast of C pointer type 'CFUColor2Ref' (aka '__CFUPrimeColor *') to Objective-C pointer type 'NSUColor *' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFUColor2Ref' (aka '__CFUPrimeColor *') into ARC}}
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(void)static_cast<CFErrorRef>(ns); // expected-error {{cast of Objective-C pointer type 'NSError *' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}}
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(void)static_cast<CFErrorRef>(str); // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *')}} \\
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// expected-error {{cast of Objective-C pointer type 'NSString *' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}}
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(void)static_cast<Class>(cf); // expected-warning {{'CFErrorRef2' (aka '__CFErrorRef *') bridges to NSError, not 'Class'}} \\
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// expected-error {{cast of C pointer type 'CFErrorRef2' (aka '__CFErrorRef *') to Objective-C pointer type 'Class' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef2' (aka '__CFErrorRef *') into ARC}}
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(void)static_cast<CFErrorRef>(c); // expected-warning {{'Class' cannot bridge to 'CFErrorRef' (aka '__CFErrorRef *}} \\
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// expected-error {{cast of Objective-C pointer type 'Class' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}}
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}
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void Test3(CFErrorRef cf, NSError *ns) {
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(void)static_cast<id>(cf); // expected-error {{cast of C pointer type 'CFErrorRef' (aka '__CFErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}}
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(void)static_cast< id<P1, P2> >(cf); // expected-error {{cast of C pointer type 'CFErrorRef' (aka '__CFErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}}
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(void)static_cast< id<P1, P2, P4> >(cf); // expected-warning {{'CFErrorRef' (aka '__CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}} \
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// expected-error {{cast of C pointer type 'CFErrorRef' (aka '__CFErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFErrorRef' (aka '__CFErrorRef *') into ARC}}
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}
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void Test4(CFMyErrorRef cf) {
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(void)static_cast<id>(cf); // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}}
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(void)static_cast< id<P1, P2> >(cf); // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2>' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}}
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(void)static_cast< id<P1, P2, P3> >(cf); // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2,P3>' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}}
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(void)static_cast< id<P2, P3> >(cf); // expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P2,P3>' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}}
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(void)static_cast< id<P1, P2, P4> >(cf); // expected-warning {{'CFMyErrorRef' (aka '__CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}} \
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// expected-error {{cast of C pointer type 'CFMyErrorRef' (aka '__CFMyErrorRef *') to Objective-C pointer type 'id<P1,P2,P4>' requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_transfer with C-style cast to transfer ownership of a +1 'CFMyErrorRef' (aka '__CFMyErrorRef *') into ARC}}
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}
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void Test5(id<P1, P2, P3> P123, id ID, id<P1, P2, P3, P4> P1234, id<P1, P2> P12, id<P2, P3> P23) {
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(void)static_cast<CFErrorRef>(ID); // expected-error {{cast of Objective-C pointer type 'id' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}}
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(void)static_cast<CFErrorRef>(P123); // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}}
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(void)static_cast<CFErrorRef>(P1234); // expected-error {{cast of Objective-C pointer type 'id<P1,P2,P3,P4>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}}
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(void)static_cast<CFErrorRef>(P12); // expected-error {{cast of Objective-C pointer type 'id<P1,P2>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}}
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(void)static_cast<CFErrorRef>(P23); // expected-error {{cast of Objective-C pointer type 'id<P2,P3>' to C pointer type 'CFErrorRef' (aka '__CFErrorRef *') requires a bridged cast}} \
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// expected-note {{use __bridge with C-style cast to convert directly (no change in ownership)}} \
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// expected-note {{use __bridge_retained with C-style cast to make an ARC object available as a +1 'CFErrorRef' (aka '__CFErrorRef *')}}
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}
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