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

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2 // rdar: //6734520
   3
   4 void tooManyArgs(void) __attribute__((unavailable("a", "b"))); // expected-error {{'unavailable' attribute takes no more than 1 argument}}
   5
   6 int foo(int)  __attribute__((__unavailable__("USE IFOO INSTEAD"))); // expected-note {{'foo' has been explicitly marked unavailable here}}
   7 double dfoo(double)  __attribute__((__unavailable__("NO LONGER"))); // expected-note 2 {{'dfoo' has been explicitly marked unavailable here}}
   8
   9 void bar(void) __attribute__((__unavailable__)); // expected-note {{explicitly marked unavailable}}
  10
  11 int quux(void) __attribute__((__unavailable__(12))); // expected-error {{'__unavailable__' attribute requires a string}}
  12
  13 #define ACCEPTABLE      "Use something else"
  14 int quux2(void) __attribute__((__unavailable__(ACCEPTABLE)));
  15
  16 void test_foo(void) {
  17   int ir = foo(1); // expected-error {{'foo' is unavailable: USE IFOO INSTEAD}}
  18   double dr = dfoo(1.0); // expected-error {{'dfoo' is unavailable: NO LONGER}}
  19
  20   void (*fp)(void) = &bar; // expected-error {{'bar' is unavailable}}
  21
  22   double (*fp4)(double) = dfoo;  // expected-error {{'dfoo' is unavailable: NO LONGER}}
  23 }
  24
  25 char test2[__has_feature(attribute_unavailable_with_message) ? 1 : -1];
  26
  27 // rdar://9623855
  28 void unavail(void)  __attribute__((__unavailable__));
  29 void unavail(void) {
  30   // No complains inside an unavailable function.
  31   int ir = foo(1);
  32   double dr = dfoo(1.0);
  33   void (*fp)(void) = &bar;
  34   double (*fp4)(double) = dfoo;
  35 }
  36
  37 // rdar://10201690
  38 enum foo {
  39     a = 1,
  40     b __attribute__((deprecated())) = 2, // expected-note {{'b' has been explicitly marked deprecated here}}
  41     c = 3
  42 }__attribute__((deprecated())); // expected-note {{'foo' has been explicitly marked deprecated here}}
  43
  44 enum fee { // expected-note 2 {{'fee' has been explicitly marked unavailable here}}
  45     r = 1,
  46     s = 2,
  47     t = 3
  48 }__attribute__((unavailable()));
  49
  50 enum fee f(void) { // expected-error {{'fee' is unavailable}}
  51     int i = a; // expected-warning {{'a' is deprecated}}
  52
  53     i = b; // expected-warning {{'b' is deprecated}}
  54
  55     return r; // expected-error {{'r' is unavailable}}
  56 }