1// RUN: %clang_cc1 -verify -fsyntax-only -fobjc-arc -fblocks %s 2 3#if __has_feature(attribute_cf_returns_on_parameters) 4# error "okay!" 5// expected-error@-1 {{okay!}} 6#else 7# error "uh-oh" 8#endif 9 10#define CF_RETURNS_RETAINED __attribute__((cf_returns_retained)) 11#define CF_RETURNS_NOT_RETAINED __attribute__((cf_returns_not_retained)) 12 13int x CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to functions, methods, and parameters}} 14int y CF_RETURNS_NOT_RETAINED; // expected-warning{{'cf_returns_not_retained' attribute only applies to functions, methods, and parameters}} 15 16typedef struct __CFFoo *CFFooRef; 17 18int invalid1() CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to functions that return a pointer}} 19void invalid2() CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to functions that return a pointer}} 20 21CFFooRef valid1() CF_RETURNS_RETAINED; 22id valid2() CF_RETURNS_RETAINED; 23 24@interface Test 25- (int)invalid1 CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to methods that return a pointer}} 26- (void)invalid2 CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to methods that return a pointer}} 27 28- (CFFooRef)valid1 CF_RETURNS_RETAINED; 29- (id)valid2 CF_RETURNS_RETAINED; 30 31@property int invalidProp1 CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to properties that return a pointer}} 32@property void invalidProp2 CF_RETURNS_RETAINED; // expected-warning{{'cf_returns_retained' attribute only applies to properties that return a pointer}} 33 34@property CFFooRef valid1 CF_RETURNS_RETAINED; 35@property id valid2 CF_RETURNS_RETAINED; 36@end 37 38void invalidParam(int a CF_RETURNS_RETAINED, // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 39 int *b CF_RETURNS_RETAINED, // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 40 id c CF_RETURNS_RETAINED, // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 41 void *d CF_RETURNS_RETAINED, // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 42 CFFooRef e CF_RETURNS_RETAINED); // expected-warning{{'cf_returns_retained' attribute only applies to pointer-to-CF-pointer parameters}} 43 44void validParam(id *a CF_RETURNS_RETAINED, 45 CFFooRef *b CF_RETURNS_RETAINED, 46 void **c CF_RETURNS_RETAINED); 47void validParam2(id *a CF_RETURNS_NOT_RETAINED, 48 CFFooRef *b CF_RETURNS_NOT_RETAINED, 49 void **c CF_RETURNS_NOT_RETAINED); 50