1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
2 | |
3 | struct S { |
4 | __attribute__((os_returns_retained)) S* method_returns_retained() { |
5 | return nullptr; |
6 | } |
7 | |
8 | __attribute__((os_consumes_this)) void method_consumes_this(); |
9 | |
10 | __attribute__((os_consumes_this)) static void rejected_on_static(); // expected-warning{{'os_consumes_this' attribute only applies to non-static member functions}} |
11 | }; |
12 | __attribute__((os_returns_retained)) S *ret_retained() { |
13 | return nullptr; |
14 | } |
15 | |
16 | __attribute__((os_returns_retained)) S ret_retained_value() { // expected-warning{{'os_returns_retained' attribute only applies to functions that return a pointer}} |
17 | return {}; |
18 | } |
19 | |
20 | __attribute__((os_returns_not_retained)) S *ret_not_retained() { |
21 | return nullptr; |
22 | } |
23 | |
24 | __attribute__((os_returns_not_retained)) S ret_not_retained_value() { // expected-warning{{'os_returns_not_retained' attribute only applies to functions that return a pointer}} |
25 | return {}; |
26 | } |
27 | |
28 | void accept_consumed_arg(__attribute__((os_consumed)) S *arg) {} |
29 | |
30 | void accept_consumed_arg_by_value(__attribute__((os_consumed)) S arg) {} // expected-warning{{os_consumed attribute only applies to pointer parameters}} |
31 | |
32 | void accept_consumed_arg_no_extra_arg(__attribute__((os_consumed(10))) S *arg) {} // expected-error{{'os_consumed' attribute takes no arguments}} |
33 | |
34 | struct __attribute__((os_consumed)) NoAttrOnStruct {}; // expected-warning{{'os_consumed' attribute only applies to parameters}} |
35 | |
36 | __attribute__((os_returns_retained(10))) S* returns_retained_no_extra_arg() { // expected-error{{'os_returns_retained' attribute takes no arguments}} |
37 | return nullptr; |
38 | } |
39 | |
40 | struct __attribute__((os_returns_retained)) NoRetainAttrOnStruct {}; // expected-warning{{'os_returns_retained' attribute only applies to functions, Objective-C methods, Objective-C properties, and parameters}} |
41 | |
42 | __attribute__((os_returns_not_retained(10))) S* os_returns_no_retained_no_extra_args( S *arg) { // expected-error{{'os_returns_not_retained' attribute takes no arguments}} |
43 | return nullptr; |
44 | } |
45 | |
46 | struct __attribute__((os_returns_not_retained)) NoNotRetainedAttrOnStruct {}; // expected-warning{{'os_returns_not_retained' attribute only applies to functions, Objective-C methods, Objective-C properties, and parameters}} |
47 | |
48 | __attribute__((os_consumes_this)) void no_consumes_this_on_function() {} // expected-warning{{'os_consumes_this' attribute only applies to non-static member functions}} |
49 | |
50 | void write_into_out_parameter(__attribute__((os_returns_retained)) S** out) {} |
51 | |
52 | bool write_into_out_parameter_on_nonzero(__attribute__((os_returns_retained_on_non_zero)) S** out) {} |
53 | |
54 | bool write_into_out_parameter_on_nonzero_invalid(__attribute__((os_returns_retained_on_non_zero)) S* out) {} // expected-warning{{'os_returns_retained_on_non_zero' attribute only applies to pointer/reference-to-OSObject-pointer parameters}} |
55 | |
56 | bool write_into_out_parameter_on_zero(__attribute__((os_returns_retained_on_zero)) S** out) {} |
57 | |
58 | bool write_into_out_parameter_on_zero_invalid(__attribute__((os_returns_retained_on_zero)) S* out) {} // expected-warning{{'os_returns_retained_on_zero' attribute only applies to pointer/reference-to-OSObject-pointer parameters}} |
59 | |
60 | void write_into_out_parameter_ref(__attribute__((os_returns_retained)) S*& out) {} |
61 | |
62 | typedef S* SPtr; |
63 | |
64 | void write_into_out_parameter_typedef(__attribute__((os_returns_retained)) SPtr* out) {} |
65 | |
66 | void write_into_out_parameter_invalid(__attribute__((os_returns_retained)) S* out) {} // expected-warning{{'os_returns_retained' attribute only applies to pointer/reference-to-OSObject-pointer parameters}} |
67 | |
68 | void write_into_out_parameter_not_retained(__attribute__((os_returns_not_retained)) S **out) {} |
69 | |
70 | void write_into_out_parameter_not_retained(__attribute__((os_returns_not_retained)) S volatile * const * const out) {} |
71 | |
72 | void write_into_not_retainedout_parameter_invalid(__attribute__((os_returns_not_retained)) S* out) {} // expected-warning{{'os_returns_not_retained' attribute only applies to pointer/reference-to-OSObject-pointer parameters}} |
73 | |
74 | void write_into_not_retainedout_parameter_too_many_pointers(__attribute__((os_returns_not_retained)) S*** out) {} // expected-warning{{'os_returns_not_retained' attribute only applies to pointer/reference-to-OSObject-pointer parameters}} |
75 | |