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// 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> {
};
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