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150
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1 // RUN: %clang_cc1 %s -verify -fsyntax-only --std=c2x
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2
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3 int f() [[deprecated]]; // expected-note 2 {{'f' has been explicitly marked deprecated here}}
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4 void g() [[deprecated]];// expected-note {{'g' has been explicitly marked deprecated here}}
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5 void g();
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6
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7 extern int var [[deprecated]]; // expected-note 2 {{'var' has been explicitly marked deprecated here}}
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8
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9 int a() {
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10 int (*ptr)() = f; // expected-warning {{'f' is deprecated}}
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11 f(); // expected-warning {{'f' is deprecated}}
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12
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13 // test if attributes propagate to functions
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14 g(); // expected-warning {{'g' is deprecated}}
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15
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16 return var; // expected-warning {{'var' is deprecated}}
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17 }
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18
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19 // test if attributes propagate to variables
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20 extern int var;
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21 int w() {
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22 return var; // expected-warning {{'var' is deprecated}}
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23 }
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24
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25 int old_fn() [[deprecated]];// expected-note {{'old_fn' has been explicitly marked deprecated here}}
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26 int old_fn();
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27 int (*fn_ptr)() = old_fn; // expected-warning {{'old_fn' is deprecated}}
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28
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29 int old_fn() {
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30 return old_fn()+1; // no warning, deprecated functions can use deprecated symbols.
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31 }
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32
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33 struct foo {
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34 int x [[deprecated]]; // expected-note 3 {{'x' has been explicitly marked deprecated here}}
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35 };
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36
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37 void test1(struct foo *F) {
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38 ++F->x; // expected-warning {{'x' is deprecated}}
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39 struct foo f1 = { .x = 17 }; // expected-warning {{'x' is deprecated}}
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40 struct foo f2 = { 17 }; // expected-warning {{'x' is deprecated}}
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41 }
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42
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43 typedef struct foo foo_dep [[deprecated]]; // expected-note {{'foo_dep' has been explicitly marked deprecated here}}
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44 foo_dep *test2; // expected-warning {{'foo_dep' is deprecated}}
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45
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46 struct [[deprecated, // expected-note {{'bar_dep' has been explicitly marked deprecated here}}
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47 invalid_attribute]] bar_dep ; // expected-warning {{unknown attribute 'invalid_attribute' ignored}}
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48
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49 struct bar_dep *test3; // expected-warning {{'bar_dep' is deprecated}}
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50
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51 [[deprecated("this is the message")]] int i; // expected-note {{'i' has been explicitly marked deprecated here}}
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52 void test4(void) {
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53 i = 12; // expected-warning {{'i' is deprecated: this is the message}}
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54 }
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