128 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			5.4 KiB
		
	
	
	
		
			Objective-C
		
	
	
	
| // RUN: %clang_cc1 -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -fobjc-runtime-has-weak -Wexplicit-ownership-type  -verify -Wno-objc-root-class %s
 | |
| // RUN: %clang_cc1 -x objective-c++ -triple x86_64-apple-darwin11 -fsyntax-only -fobjc-arc -fblocks -fobjc-runtime-has-weak -Wexplicit-ownership-type -verify -Wno-objc-root-class %s
 | |
| // rdar://10244607
 | |
| 
 | |
| typedef const struct __CFString * CFStringRef;
 | |
| @class NSString;
 | |
| 
 | |
| NSString *CFBridgingRelease();
 | |
| 
 | |
| typedef NSString * PNSString;
 | |
| 
 | |
| typedef __autoreleasing NSString * AUTORELEASEPNSString;
 | |
| 
 | |
| @interface I @end
 | |
| 
 | |
| @implementation I
 | |
| - (CFStringRef)myString
 | |
| {
 | |
|     CFStringRef myString =
 | |
|       (__bridge CFStringRef) (__strong NSString *)CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}
 | |
| 
 | |
|     myString =
 | |
|       (__bridge CFStringRef) (__autoreleasing PNSString) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}
 | |
|     myString =
 | |
|       (__bridge CFStringRef) (AUTORELEASEPNSString) CFBridgingRelease(); // OK
 | |
|     myString =
 | |
|       (__bridge CFStringRef) (typeof(__strong NSString *)) CFBridgingRelease(); // expected-error {{explicit ownership qualifier on cast result has no effect}}
 | |
|     return myString;
 | |
| }
 | |
| 
 | |
| - (void)decodeValueOfObjCType:(const char *)type at:(void *)addr {
 | |
|         __autoreleasing id *stuff = (__autoreleasing id *)addr;
 | |
| }
 | |
| @end
 | |
| 
 | |
| // rdar://problem/10711456
 | |
| __strong I *__strong test1; // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}
 | |
| __strong I *(__strong test2); // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}
 | |
| __strong I *(__strong (test3)); // expected-error {{the type 'I *__strong' is already explicitly ownership-qualified}}
 | |
| __unsafe_unretained __typeof__(test3) test4;
 | |
| typedef __strong I *strong_I;
 | |
| __unsafe_unretained strong_I test5;
 | |
| 
 | |
| // rdar://10907090
 | |
| typedef void (^T) ();
 | |
| @interface NSObject @end
 | |
| @protocol P;
 | |
| @interface Radar10907090 @end
 | |
| 
 | |
| @implementation Radar10907090
 | |
| - (void) MMM : (NSObject*) arg0 : (NSObject<P>**)arg : (id) arg1 : (id<P>*) arg2 {} // expected-warning {{method parameter of type 'NSObject<P> *__autoreleasing *' with no explicit ownership}} \
 | |
| 					// expected-warning {{method parameter of type '__autoreleasing id<P> *' with no explicit ownership}}
 | |
| - (void) MM : (NSObject*) arg0 : (__strong NSObject**)arg : (id) arg1 : (__strong id*) arg2 {}
 | |
| - (void) M : (NSObject**)arg0 : (id*)arg {} // expected-warning {{method parameter of type 'NSObject *__autoreleasing *' with no explicit ownership}} \
 | |
|                                             // expected-warning {{method parameter of type '__autoreleasing id *' with no explicit ownership}}
 | |
| - (void) N : (__strong NSObject***) arg0 : (__strong NSObject<P>***)arg : (float**) arg1 : (double) arg2 {} 
 | |
| - (void) BLOCK : (T*) arg0 : (T)arg  : (__strong T*) arg1 {} // expected-warning {{method parameter of type '__autoreleasing T *' (aka 'void (^__autoreleasing *)()') with no explicit ownership}}
 | |
| @end
 | |
| 
 | |
| // rdar://12280826
 | |
| @class NSMutableDictionary, NSError;
 | |
| @interface Radar12280826
 | |
| - (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError**)error;
 | |
| @end
 | |
| 
 | |
| @implementation Radar12280826
 | |
| - (void)createInferiorTransportAndSetEnvironment:(NSMutableDictionary*)environment error:(__autoreleasing NSError**)error {}
 | |
| @end
 | |
| 
 | |
| // <rdar://problem/12367446>
 | |
| typedef __strong id strong_id;
 | |
| typedef NSObject *NSObject_ptr;
 | |
| typedef __strong NSObject *strong_NSObject_ptr;
 | |
| 
 | |
| // Warn
 | |
| __strong id f1(); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}
 | |
| NSObject __unsafe_unretained *f2(int); // expected-warning{{ARC __unsafe_unretained lifetime qualifier on return type is ignored}}
 | |
| __autoreleasing NSObject *f3(void); // expected-warning{{ARC __autoreleasing lifetime qualifier on return type is ignored}}
 | |
| NSObject * __strong f4(void); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}
 | |
| NSObject_ptr __strong f5(); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}
 | |
| 
 | |
| typedef __strong id (*fptr)(int); // expected-warning{{ARC __strong lifetime qualifier on return type is ignored}}
 | |
| 
 | |
| // Don't warn
 | |
| strong_id f6();
 | |
| strong_NSObject_ptr f7();
 | |
| typedef __strong id (^block_ptr)(int);
 | |
| 
 | |
| // rdar://10127067
 | |
| void test8_a() {
 | |
|   __weak id *(^myBlock)(void);
 | |
|   __weak id *var = myBlock();
 | |
|   (void) (__strong id *) &myBlock;
 | |
|   (void) (__weak id *) &myBlock; // expected-error {{cast}}
 | |
| }
 | |
| void test8_b() {
 | |
|   __weak id (^myBlock)(void);
 | |
|   (void) (__weak id *) &myBlock;
 | |
|   (void) (__strong id *) &myBlock; // expected-error {{cast}}
 | |
| }
 | |
| void test8_c() {
 | |
|   __weak id (^*(^myBlock)(void))(void);
 | |
|   (void) (__weak id*) myBlock();
 | |
|   (void) (__strong id*) myBlock(); // expected-error {{cast}}
 | |
|   (void) (__weak id*) &myBlock; // expected-error {{cast}}
 | |
|   (void) (__strong id*) &myBlock;
 | |
| }
 | |
| 
 | |
| @class Test9;
 | |
| void test9_a() {
 | |
|   __weak Test9 **(^myBlock)(void);
 | |
|   __weak Test9 **var = myBlock();
 | |
|   (void) (__strong Test9 **) &myBlock;
 | |
|   (void) (__weak Test9 **) &myBlock; // expected-error {{cast}}
 | |
| }
 | |
| void test9_b() {
 | |
|   __weak Test9 *(^myBlock)(void);
 | |
|   (void) (__weak Test9**) &myBlock;
 | |
|   (void) (__strong Test9**) &myBlock; // expected-error {{cast}}
 | |
| }
 | |
| void test9_c() {
 | |
|   __weak Test9 *(^*(^myBlock)(void))(void);
 | |
|   (void) (__weak Test9 **) myBlock();
 | |
|   (void) (__strong Test9 **) myBlock(); // expected-error {{cast}}
 | |
|   (void) (__weak Test9 **) &myBlock; // expected-error {{cast}}
 | |
|   (void) (__strong Test9 **) &myBlock;
 | |
| }
 |