1 #ifndef SOMEKIT_H 2 #define SOMEKIT_H 3 4 __attribute__((objc_root_class)) 5 #ifndef NS_ASSUME_NONNULL_BEGIN 6 #if __has_feature(assume_nonnull) 7 #define NS_ASSUME_NONNULL_BEGIN _Pragma("clang assume_nonnull begin") 8 #define NS_ASSUME_NONNULL_END _Pragma("clang assume_nonnull end") 9 #else 10 #define NS_ASSUME_NONNULL_BEGIN 11 #define NS_ASSUME_NONNULL_END 12 #endif 13 #endif 14 15 NS_ASSUME_NONNULL_BEGIN 16 17 @interface A 18 -(null_unspecified A*)transform:(null_unspecified A*)input __attribute__((unavailable("anything but this"))); 19 -(A*)transform:(A*)input integer:(int)integer; 20 21 @property (null_unspecified, nonatomic, readonly, retain) A* someA; 22 @property (null_unspecified, nonatomic, retain) A* someOtherA; 23 24 @property (nonatomic) int intValue __attribute__((unavailable("wouldn't work anyway"))); 25 @end 26 27 NS_ASSUME_NONNULL_END 28 29 30 __attribute__((unavailable("just don't"))) 31 @interface B : A 32 @end 33 34 @interface C : A 35 - (instancetype)init; // expected-warning{{pointer is missing a nullability type specifier}} 36 // expected-note@-1{{insert '_Nullable' if the pointer may be null}} 37 // expected-note@-2{{insert '_Nonnull' if the pointer should never be null}} 38 - (instancetype)initWithA:( A*)a __attribute__((objc_designated_initializer)); // expected-warning 2{{pointer is missing a nullability type specifier}} 39 // expected-note@-1 2{{insert '_Nullable' if the pointer may be null}} 40 // expected-note@-2 2{{insert '_Nonnull' if the pointer should never be null}} 41 @end 42 43 #endif 44 45