1// RUN: %clang_cc1 -fsyntax-only -verify -Wconsumed -std=c++11 %s
2
3#define CALLABLE_WHEN(...)      __attribute__ ((callable_when(__VA_ARGS__)))
4#define CONSUMABLE(state)       __attribute__ ((consumable(state)))
5#define SET_TYPESTATE(state)    __attribute__ ((set_typestate(state)))
6#define RETURN_TYPESTATE(state) __attribute__ ((return_typestate(state)))
7#define TEST_TYPESTATE(state)   __attribute__ ((test_typestate(state)))
8
9// FIXME: This test is here because the warning is issued by the Consumed
10//        analysis, not SemaDeclAttr.  The analysis won't run after an error
11//        has been issued.  Once the attribute propagation for template
12//        instantiation has been fixed, this can be moved somewhere else and the
13//        definition can be removed.
14int returnTypestateForUnconsumable() RETURN_TYPESTATE(consumed); // expected-warning {{return state set for an unconsumable type 'int'}}
15int returnTypestateForUnconsumable() {
16  return 0;
17}
18
19class AttrTester0 {
20  void consumes()       __attribute__ ((set_typestate())); // expected-error {{'set_typestate' attribute takes one argument}}
21  bool testUnconsumed() __attribute__ ((test_typestate())); // expected-error {{'test_typestate' attribute takes one argument}}
22  void callableWhen()   __attribute__ ((callable_when())); // expected-error {{'callable_when' attribute takes at least 1 argument}}
23};
24
25int var0 SET_TYPESTATE(consumed); // expected-warning {{'set_typestate' attribute only applies to methods}}
26int var1 TEST_TYPESTATE(consumed); // expected-warning {{'test_typestate' attribute only applies to methods}}
27int var2 CALLABLE_WHEN("consumed"); // expected-warning {{'callable_when' attribute only applies to methods}}
28int var3 CONSUMABLE(consumed); // expected-warning {{'consumable' attribute only applies to classes}}
29int var4 RETURN_TYPESTATE(consumed); // expected-warning {{'return_typestate' attribute only applies to functions}}
30
31void function0() SET_TYPESTATE(consumed); // expected-warning {{'set_typestate' attribute only applies to methods}}
32void function1() TEST_TYPESTATE(consumed); // expected-warning {{'test_typestate' attribute only applies to methods}}
33void function2() CALLABLE_WHEN("consumed"); // expected-warning {{'callable_when' attribute only applies to methods}}
34void function3() CONSUMABLE(consumed); // expected-warning {{'consumable' attribute only applies to classes}}
35
36class CONSUMABLE(unknown) AttrTester1 {
37  void callableWhen0()  CALLABLE_WHEN("unconsumed");
38  void callableWhen1()  CALLABLE_WHEN(42); // expected-error {{'callable_when' attribute requires a string}}
39  void callableWhen2()  CALLABLE_WHEN("foo"); // expected-warning {{'callable_when' attribute argument not supported: foo}}
40  void consumes()       SET_TYPESTATE(consumed);
41  bool testUnconsumed() TEST_TYPESTATE(consumed);
42};
43
44AttrTester1 returnTypestateTester0() RETURN_TYPESTATE(not_a_state); // expected-warning {{'return_typestate' attribute argument not supported: 'not_a_state'}}
45AttrTester1 returnTypestateTester1() RETURN_TYPESTATE(42); // expected-error {{'return_typestate' attribute requires an identifier}}
46
47void returnTypestateTester2(AttrTester1 &Param RETURN_TYPESTATE(unconsumed));
48
49class AttrTester2 {
50  void callableWhen()   CALLABLE_WHEN("unconsumed"); // expected-warning {{consumed analysis attribute is attached to member of class 'AttrTester2' which isn't marked as consumable}}
51  void consumes()       SET_TYPESTATE(consumed); // expected-warning {{consumed analysis attribute is attached to member of class 'AttrTester2' which isn't marked as consumable}}
52  bool testUnconsumed() TEST_TYPESTATE(consumed); // expected-warning {{consumed analysis attribute is attached to member of class 'AttrTester2' which isn't marked as consumable}}
53};
54
55class CONSUMABLE(42) AttrTester3; // expected-error {{'consumable' attribute requires an identifier}}
56
57
58class CONSUMABLE(unconsumed)
59      __attribute__((consumable_auto_cast_state))
60      __attribute__((consumable_set_state_on_read))
61      Status {
62};
63
64
65
66