clang/test/Sema/attr-unavailable-message.c

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 void tooManyArgs(void) __attribute__((unavailable("a", "b"))); // expected-error {{'unavailable' attribute takes no more than 1 argument}}
   4
   5 int foo(int)  __attribute__((__unavailable__("USE IFOO INSTEAD"))); // expected-note {{'foo' has been explicitly marked unavailable here}}
   6 double dfoo(double)  __attribute__((__unavailable__("NO LONGER"))); // expected-note 2 {{'dfoo' has been explicitly marked unavailable here}}
   7
   8 void bar(void) __attribute__((__unavailable__)); // expected-note {{explicitly marked unavailable}}
   9
  10 int quux(void) __attribute__((__unavailable__(12))); // expected-error {{expected string literal as argument of '__unavailable__' attribute}}
  11
  12 #define ACCEPTABLE      "Use something else"
  13 int quux2(void) __attribute__((__unavailable__(ACCEPTABLE)));
  14
  15 void test_foo(void) {
  16   int ir = foo(1); // expected-error {{'foo' is unavailable: USE IFOO INSTEAD}}
  17   double dr = dfoo(1.0); // expected-error {{'dfoo' is unavailable: NO LONGER}}
  18
  19   void (*fp)(void) = &bar; // expected-error {{'bar' is unavailable}}
  20
  21   double (*fp4)(double) = dfoo;  // expected-error {{'dfoo' is unavailable: NO LONGER}}
  22 }
  23
  24 char test2[__has_feature(attribute_unavailable_with_message) ? 1 : -1];
  25
  26 void unavail(void)  __attribute__((__unavailable__));
  27 void unavail(void) {
  28   // No complains inside an unavailable function.
  29   int ir = foo(1);
  30   double dr = dfoo(1.0);
  31   void (*fp)(void) = &bar;
  32   double (*fp4)(double) = dfoo;
  33 }
  34
  35 enum foo {
  36     a = 1,
  37     b __attribute__((deprecated())) = 2, // expected-note {{'b' has been explicitly marked deprecated here}}
  38     c = 3
  39 }__attribute__((deprecated())); // expected-note {{'foo' has been explicitly marked deprecated here}}
  40
  41 enum fee { // expected-note 2 {{'fee' has been explicitly marked unavailable here}}
  42     r = 1,
  43     s = 2,
  44     t = 3
  45 }__attribute__((unavailable()));
  46
  47 enum fee f(void) { // expected-error {{'fee' is unavailable}}
  48     int i = a; // expected-warning {{'a' is deprecated}}
  49
  50     i = b; // expected-warning {{'b' is deprecated}}
  51
  52     return r; // expected-error {{'r' is unavailable}}
  53 }