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