1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 // rdar: //6734520
3 
4 void tooManyArgs() __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() __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 
test_foo()16 void test_foo() {
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)() = &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__));
unavail(void)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)() = &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 
f()50 enum fee f() { // 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 }
57