1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions -Wno-microsoft -std=c++11
__interface I1 {
// expected-error@+1 {{user-declared constructor is not permitted within an interface type}}
I1();
// expected-error@+1 {{user-declared destructor is not permitted within an interface type}}
~I1();
virtual void fn1() const;
// expected-error@+1 {{operator 'operator!' is not permitted within an interface type}}
bool operator!();
// expected-error@+1 {{operator 'operator int' is not permitted within an interface type}}
operator int();
// expected-error@+1 {{nested class I1::(anonymous) is not permitted within an interface type}}
struct { int a; };
void fn2() {
struct A { }; // should be ignored: not a nested class
}
protected: // expected-error {{interface types cannot specify 'protected' access}}
typedef void void_t;
using int_t = int;
private: // expected-error {{interface types cannot specify 'private' access}}
static_assert(true, "oops");
};
__interface I2 {
// expected-error@+1 {{data member 'i' is not permitted within an interface type}}
int i;
// expected-error@+1 {{static member function 'fn1' is not permitted within an interface type}}
static int fn1();
private: // expected-error {{interface types cannot specify 'private' access}}
// expected-error@+1 {{non-public member function 'fn2' is not permitted within an interface type}}
void fn2();
protected: // expected-error {{interface types cannot specify 'protected' access}}
// expected-error@+1 {{non-public member function 'fn3' is not permitted within an interface type}}
void fn3();
public:
void fn4();
};
// expected-error@+1 {{'final' keyword not permitted with interface types}}
__interface I3 final {
};
__interface I4 : I1, I2 {
void fn1() const override;
// expected-error@+1 {{'final' keyword not permitted with interface types}}
void fn2() final;
};
// expected-error@+1 {{interface type cannot inherit from non-public interface 'I1'}}
__interface I5 : private I1 {
};
template <typename X>
__interface I6 : X {
};
struct S { };
class C { };
__interface I { };
union U;
static_assert(!__is_interface_class(S), "oops");
static_assert(!__is_interface_class(C), "oops");
static_assert(!__is_interface_class(I), "oops");
static_assert(!__is_interface_class(U), "oops");
// expected-error@55 {{interface type cannot inherit from struct 'S'}}
// expected-note@+1 {{in instantiation of template class 'I6<S>' requested here}}
struct S1 : I6<S> {
};
// expected-error@55 {{interface type cannot inherit from class 'C'}}
// expected-note@+1 {{in instantiation of template class 'I6<C>' requested here}}
class C1 : I6<C> {
};
class C2 : I6<I> {
};
// MSVC makes a special case in that an interface is allowed to have a data
// member if it is a property.
__interface HasProp {
__declspec(property(get = Get, put = Put)) int data;
int Get(void);
void Put(int);
};
struct __declspec(uuid("00000000-0000-0000-C000-000000000046"))
IUnknown {
void foo();
__declspec(property(get = Get, put = Put), deprecated) int data;
int Get(void);
void Put(int);
};
struct IFaceStruct : IUnknown {
__declspec(property(get = Get2, put = Put2), deprecated) int data2;
int Get2(void);
void Put2(int);
};
__interface IFaceInheritsStruct : IFaceStruct {};
static_assert(!__is_interface_class(HasProp), "oops");
static_assert(!__is_interface_class(IUnknown), "oops");
static_assert(!__is_interface_class(IFaceStruct), "oops");
static_assert(!__is_interface_class(IFaceInheritsStruct), "oops");
|
