1 // RUN: %clang_cc1 -verify -fsyntax-only -fobjc-arc -fblocks %s
5 #if __SIZEOF_POINTER__ == 4
6 typedef unsigned char BOOL;
11 typedef struct __attribute__((__objc_bridge__(NSError))) __CFError *CFErrorRef;
13 extern int f0(void) __attribute__((__swift_error__));
14 // expected-error@-1 {{'__swift_error__' attribute takes one argument}}
15 extern int f1(void) __attribute__((__swift_error__(invalid)));
16 // expected-warning@-1 {{'__swift_error__' attribute argument not supported: 'invalid'}}
17 extern int f2(void) __attribute__((__swift_error__(none,zero_result)));
18 // expected-error@-1 {{use of undeclared identifier 'zero_result'}}
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)));
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}}
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}}
56 extern BOOL m0(CFErrorRef *) __attribute__((__swift_error__(none)));
57 extern BOOL m1(CFErrorRef *) __attribute__((__swift_error__(nonnull_error)));
58 extern 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}}
60 extern BOOL m3(CFErrorRef *) __attribute__((__swift_error__(nonzero_result)));
61 extern BOOL m4(CFErrorRef *) __attribute__((__swift_error__(zero_result)));
63 extern Undeclared n0(CFErrorRef *) __attribute__((__swift_error__(none)));
64 // expected-error@-1 {{unknown type name 'Undeclared'}}
65 extern Undeclared n1(CFErrorRef *) __attribute__((__swift_error__(nonnull_error)));
66 // expected-error@-1 {{unknown type name 'Undeclared'}}
67 extern Undeclared n2(CFErrorRef *) __attribute__((__swift_error__(null_result)));
68 // expected-error@-1 {{unknown type name 'Undeclared'}}
69 extern Undeclared n3(CFErrorRef *) __attribute__((__swift_error__(nonzero_result)));
70 // expected-error@-1 {{unknown type name 'Undeclared'}}
71 extern Undeclared n4(CFErrorRef *) __attribute__((__swift_error__(zero_result)));
72 // expected-error@-1 {{unknown type name 'Undeclared'}}
74 extern void *o0(CFErrorRef *) __attribute__((__swift_error__(none)));
75 extern void *o1(CFErrorRef *) __attribute__((__swift_error__(nonnull_error)));
76 extern void *o2(CFErrorRef *) __attribute__((__swift_error__(null_result)));
77 extern 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}}
79 extern 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}}
82 extern void *p0(void) __attribute__((__swift_error__(none)));
83 extern 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}}
85 extern 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}}
87 extern 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}}
89 extern 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}}
92 extern BOOL b __attribute__((__swift_error__(none)));
93 // expected-error@-1 {{attribute only applies to functions and Objective-C methods}}