1// RUN: %clang_cc1 -verify -fsyntax-only -fobjc-arc -fblocks %s 2 3@class NSError; 4 5#if __SIZEOF_POINTER__ == 4 6typedef unsigned char BOOL; 7#else 8typedef _Bool BOOL; 9#endif 10 11typedef struct __attribute__((__objc_bridge__(NSError))) __CFError *CFErrorRef; 12 13extern int f0(void) __attribute__((__swift_error__)); 14// expected-error@-1 {{'__swift_error__' attribute takes one argument}} 15extern int f1(void) __attribute__((__swift_error__(invalid))); 16// expected-warning@-1 {{'__swift_error__' attribute argument not supported: 'invalid'}} 17extern int f2(void) __attribute__((__swift_error__(none,zero_result))); 18// expected-error@-1 {{use of undeclared identifier 'zero_result'}} 19 20@interface Erroneous 21- (BOOL)m0:(NSError **)error __attribute__((__swift_error__(none))); 22- (BOOL)m1:(NSError **)error __attribute__((__swift_error__(nonnull_error))); 23- (BOOL)m2:(NSError **)error __attribute__((__swift_error__(null_result))); 24// expected-error@-1 {{'__swift_error__' attribute with 'null_result' convention can only be applied to a method returning a pointer}} 25- (BOOL)m3:(NSError **)error __attribute__((__swift_error__(nonzero_result))); 26- (BOOL)m4:(NSError **)error __attribute__((__swift_error__(zero_result))); 27 28- (Undeclared)n0:(NSError **)error __attribute__((__swift_error__(none))); 29// expected-error@-1 {{expected a type}} 30- (Undeclared)n1:(NSError **)error __attribute__((__swift_error__(nonnull_error))); 31// expected-error@-1 {{expected a type}} 32- (Undeclared)n2:(NSError **)error __attribute__((__swift_error__(null_result))); 33// expected-error@-1 {{expected a type}} 34- (Undeclared)n3:(NSError **)error __attribute__((__swift_error__(nonzero_result))); 35// expected-error@-1 {{expected a type}} 36// FIXME: the follow-on warning should really be suppressed, but apparently 37// having an ill-formed return type doesn't mark anything as invalid. 38// expected-error@-4 {{can only be applied}} 39- (Undeclared)n4:(NSError **)error __attribute__((__swift_error__(zero_result))); 40// expected-error@-1 {{expected a type}} 41// FIXME: the follow-on warning should really be suppressed, but apparently 42// having an ill-formed return type doesn't mark anything as invalid. 43// expected-error@-4 {{can only be applied}} 44 45- (instancetype)o0 __attribute__((__swift_error__(none))); 46- (instancetype)o1 __attribute__((__swift_error__(nonnull_error))); 47// expected-error@-1 {{'__swift_error__' attribute can only be applied to a method with an error parameter}} 48- (instancetype)o2 __attribute__((__swift_error__(null_result))); 49// expected-error@-1 {{'__swift_error__' attribute can only be applied to a method with an error parameter}} 50- (instancetype)o3 __attribute__((__swift_error__(nonzero_result))); 51// expected-error@-1 {{'__swift_error__' attribute can only be applied to a method with an error parameter}} 52- (instancetype)o4 __attribute__((__swift_error__(zero_result))); 53// expected-error@-1 {{'__swift_error__' attribute can only be applied to a method with an error parameter}} 54@end 55 56extern BOOL m0(CFErrorRef *) __attribute__((__swift_error__(none))); 57extern BOOL m1(CFErrorRef *) __attribute__((__swift_error__(nonnull_error))); 58extern BOOL m2(CFErrorRef *) __attribute__((__swift_error__(null_result))); 59// expected-error@-1 {{'__swift_error__' attribute with 'null_result' convention can only be applied to a function returning a pointer}} 60extern BOOL m3(CFErrorRef *) __attribute__((__swift_error__(nonzero_result))); 61extern BOOL m4(CFErrorRef *) __attribute__((__swift_error__(zero_result))); 62 63extern Undeclared n0(CFErrorRef *) __attribute__((__swift_error__(none))); 64// expected-error@-1 {{unknown type name 'Undeclared'}} 65extern Undeclared n1(CFErrorRef *) __attribute__((__swift_error__(nonnull_error))); 66// expected-error@-1 {{unknown type name 'Undeclared'}} 67extern Undeclared n2(CFErrorRef *) __attribute__((__swift_error__(null_result))); 68// expected-error@-1 {{unknown type name 'Undeclared'}} 69extern Undeclared n3(CFErrorRef *) __attribute__((__swift_error__(nonzero_result))); 70// expected-error@-1 {{unknown type name 'Undeclared'}} 71extern Undeclared n4(CFErrorRef *) __attribute__((__swift_error__(zero_result))); 72// expected-error@-1 {{unknown type name 'Undeclared'}} 73 74extern void *o0(CFErrorRef *) __attribute__((__swift_error__(none))); 75extern void *o1(CFErrorRef *) __attribute__((__swift_error__(nonnull_error))); 76extern void *o2(CFErrorRef *) __attribute__((__swift_error__(null_result))); 77extern void *o3(CFErrorRef *) __attribute__((__swift_error__(nonzero_result))); 78// expected-error@-1 {{'__swift_error__' attribute with 'nonzero_result' convention can only be applied to a function returning an integral type}} 79extern void *o4(CFErrorRef *) __attribute__((__swift_error__(zero_result))); 80// expected-error@-1 {{'__swift_error__' attribute with 'zero_result' convention can only be applied to a function returning an integral type}} 81 82extern void *p0(void) __attribute__((__swift_error__(none))); 83extern void *p1(void) __attribute__((__swift_error__(nonnull_error))); 84// expected-error@-1 {{'__swift_error__' attribute can only be applied to a function with an error parameter}} 85extern void *p2(void) __attribute__((__swift_error__(null_result))); 86// expected-error@-1 {{'__swift_error__' attribute can only be applied to a function with an error parameter}} 87extern void *p3(void) __attribute__((__swift_error__(nonzero_result))); 88// expected-error@-1 {{'__swift_error__' attribute can only be applied to a function with an error parameter}} 89extern void *p4(void) __attribute__((__swift_error__(zero_result))); 90// expected-error@-1 {{'__swift_error__' attribute can only be applied to a function with an error parameter}} 91 92extern BOOL b __attribute__((__swift_error__(none))); 93// expected-error@-1 {{attribute only applies to functions and Objective-C methods}} 94