155 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			155 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
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| // rdar://15454846
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| 
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| typedef struct __attribute__ ((objc_bridge(NSError))) __CFErrorRef * CFErrorRef; // expected-note 3 {{declared here}}
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| 
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| typedef struct __attribute__ ((objc_bridge(MyError))) __CFMyErrorRef * CFMyErrorRef; // expected-note 1 {{declared here}}
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| 
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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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| 
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| typedef struct __attribute__ ((objc_bridge)) __CFArray *CFArrayRef; // expected-error {{'objc_bridge' attribute takes one argument}}
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| 
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| typedef void *  __attribute__ ((objc_bridge(NSURL))) CFURLRef;  // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
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| 
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| typedef void * CFStringRef __attribute__ ((objc_bridge(NSString))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
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| 
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| typedef struct __attribute__((objc_bridge(NSLocale, NSError))) __CFLocale *CFLocaleRef;// expected-error {{use of undeclared identifier 'NSError'}}
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| 
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| typedef struct __CFData __attribute__((objc_bridge(NSData))) CFDataRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
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| 
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| typedef struct __attribute__((objc_bridge(NSDictionary))) __CFDictionary * CFDictionaryRef; // expected-note {{declared here}}
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| 
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| typedef struct __CFSetRef * CFSetRef __attribute__((objc_bridge(NSSet))); // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
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| 
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| typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) * CFUColorRef; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
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| 
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| typedef union __CFUColor __attribute__((objc_bridge(NSUColor))) *CFUColor1Ref; // expected-error {{parameter of 'objc_bridge' attribute must be 'id' when used on a typedef}}
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| 
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| typedef union __attribute__((objc_bridge(NSUColor))) __CFUPrimeColor XXX;
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| typedef XXX *CFUColor2Ref;
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| 
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| typedef const void *ConstVoidRef __attribute__((objc_bridge(id)));
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| typedef void *VoidRef __attribute__((objc_bridge(id)));
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| typedef struct Opaque *OpaqueRef __attribute__((objc_bridge(id))); // expected-error {{'objc_bridge(id)' is only allowed on structs and typedefs of void pointers}}
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| 
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| #if !__has_feature(objc_bridge_id_on_typedefs)
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| #error objc_bridge(id) on typedefs feature not found!
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| #endif
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| 
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| @interface I
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| {
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|    __attribute__((objc_bridge(NSError))) void * color; // expected-error {{'objc_bridge' attribute only applies to structs, unions, and typedefs}};
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| }
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| @end
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| 
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| @protocol NSTesting @end
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| @class NSString;
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| 
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| typedef struct __attribute__((objc_bridge(NSTesting))) __CFError *CFTestingRef; // expected-note {{declared here}}
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| 
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| id Test1(CFTestingRef cf) {
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|   return (NSString *)cf; // expected-error {{CF object of type 'CFTestingRef' (aka 'struct __CFError *') is bridged to 'NSTesting', which is not an Objective-C class}}
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| }
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| 
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| typedef CFErrorRef CFErrorRef1;
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| 
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| typedef CFErrorRef1 CFErrorRef2; // expected-note {{declared here}}
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| 
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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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| 
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| @interface NSError<P1, P2, P3> @end // expected-note 3 {{declared here}}
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| 
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| @interface MyError : NSError // expected-note 1 {{declared here}}
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| @end
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| 
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| @interface NSUColor @end
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| 
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| @class NSString;
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| 
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| void Test2(CFErrorRef2 cf, NSError *ns, NSString *str, Class c, CFUColor2Ref cf2) {
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|   (void)(NSString *)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'NSString'}}
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|   (void)(NSError *)cf; // okay
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|   (void)(MyError*)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'MyError'}} 
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|   (void)(NSUColor *)cf2; // okay
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|   (void)(CFErrorRef)ns; // okay
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|   (void)(CFErrorRef)str;  // expected-warning {{'NSString' cannot bridge to 'CFErrorRef' (aka 'struct __CFErrorRef *')}}
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|   (void)(Class)cf; // expected-warning {{'CFErrorRef2' (aka 'struct __CFErrorRef *') bridges to NSError, not 'Class'}}
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|   (void)(CFErrorRef)c; // expected-warning {{'Class' cannot bridge to 'CFErrorRef'}}
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| }
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| 
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| 
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| void Test3(CFErrorRef cf, NSError *ns) {
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|   (void)(id)cf; // okay
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|  (void)(id<P1, P2>)cf; // okay
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|  (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFErrorRef' (aka 'struct __CFErrorRef *') bridges to NSError, not 'id<P1,P2,P4>'}}
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| }
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| 
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| void Test4(CFMyErrorRef cf) {
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|    (void)(id)cf; // okay
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|  (void)(id<P1, P2>)cf; // ok
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|  (void)(id<P1, P2, P3>)cf; // ok
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|  (void)(id<P2, P3>)cf; // ok
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|  (void)(id<P1, P2, P4>)cf; // expected-warning {{'CFMyErrorRef' (aka 'struct __CFMyErrorRef *') bridges to MyError, not 'id<P1,P2,P4>'}}
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| }
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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)(CFErrorRef)ID; // ok
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|  (void)(CFErrorRef)P123; // ok
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|  (void)(CFErrorRef)P1234; // ok
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|  (void)(CFErrorRef)P12; // ok 
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|  (void)(CFErrorRef)P23; // ok
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| }
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| 
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| void Test6(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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| 
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|  (void)(CFMyErrorRef)ID; // ok
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|  (void)(CFMyErrorRef)P123; // ok
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|  (void)(CFMyErrorRef)P1234; // ok
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|  (void)(CFMyErrorRef)P12; // ok
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|  (void)(CFMyErrorRef)P23; // ok
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| }
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| 
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| typedef struct __attribute__ ((objc_bridge(MyPersonalError))) __CFMyPersonalErrorRef * CFMyPersonalErrorRef;  // expected-note 1 {{declared here}}
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| 
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| @interface MyPersonalError : NSError <P4> // expected-note 1 {{declared here}}
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| @end
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| 
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| void Test7(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)(CFMyPersonalErrorRef)ID; // ok
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|  (void)(CFMyPersonalErrorRef)P123; // ok
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|  (void)(CFMyPersonalErrorRef)P1234; // ok
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|  (void)(CFMyPersonalErrorRef)P12; // ok
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|  (void)(CFMyPersonalErrorRef)P23; // ok
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| }
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| 
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| void Test8(CFMyPersonalErrorRef cf) {
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|   (void)(id)cf; // ok
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|   (void)(id<P1>)cf; // ok
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|   (void)(id<P1, P2>)cf; // ok
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|   (void)(id<P1, P2, P3>)cf; // ok
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|   (void)(id<P1, P2, P3, P4>)cf; // ok
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|   (void)(id<P1, P2, P3, P4, P5>)cf; // expected-warning {{'CFMyPersonalErrorRef' (aka 'struct __CFMyPersonalErrorRef *') bridges to MyPersonalError, not 'id<P1,P2,P3,P4,P5>'}}
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| }
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| 
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| CFDictionaryRef bar() __attribute__((cf_returns_not_retained));
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| @class NSNumber;
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| 
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| void Test9() {
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|   NSNumber *w2 = (NSNumber*) bar(); // expected-error {{CF object of type 'CFDictionaryRef' (aka 'struct __CFDictionary *') is bridged to 'NSDictionary', which is not an Objective-C class}}
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| }
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| 
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| // rdar://18311183
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| @interface NSObject @end
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| 
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| @interface NSFont : NSObject @end
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| 
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| typedef struct __attribute__ ((objc_bridge(NSFont))) __CFFontRef * CFFontRef;
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| 
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| void Test10(CFFontRef cf) {
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|   (void)(__bridge NSObject *)cf;
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| }
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