153 lines
4.1 KiB
C++
153 lines
4.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
|
|
|
|
namespace Test1 {
|
|
|
|
struct B {
|
|
virtual void f(int);
|
|
};
|
|
|
|
struct D : B {
|
|
virtual void f(long) override; // expected-error {{'f' marked 'override' but does not override any member functions}}
|
|
void f(int) override;
|
|
};
|
|
}
|
|
|
|
namespace Test2 {
|
|
|
|
struct A {
|
|
virtual void f(int, char, int);
|
|
};
|
|
|
|
template<typename T>
|
|
struct B : A {
|
|
// FIXME: Diagnose this.
|
|
virtual void f(T) override;
|
|
};
|
|
|
|
template<typename T>
|
|
struct C : A {
|
|
virtual void f(int) override; // expected-error {{does not override}}
|
|
};
|
|
|
|
}
|
|
|
|
namespace Test3 {
|
|
|
|
struct A {
|
|
virtual void f(int, char, int);
|
|
};
|
|
|
|
template<typename... Args>
|
|
struct B : A {
|
|
virtual void f(Args...) override; // expected-error {{'f' marked 'override' but does not override any member functions}}
|
|
};
|
|
|
|
template struct B<int, char, int>;
|
|
template struct B<int>; // expected-note {{in instantiation of template class 'Test3::B<int>' requested here}}
|
|
|
|
}
|
|
|
|
namespace Test4 {
|
|
struct B {
|
|
virtual void f() const final; // expected-note {{overridden virtual function is here}}
|
|
};
|
|
|
|
struct D : B {
|
|
void f() const; // expected-error {{declaration of 'f' overrides a 'final' function}}
|
|
};
|
|
|
|
}
|
|
|
|
namespace PR13499 {
|
|
struct X {
|
|
virtual void f();
|
|
virtual void h();
|
|
};
|
|
template<typename T> struct A : X {
|
|
void f() override;
|
|
void h() final;
|
|
};
|
|
template<typename T> struct B : X {
|
|
void g() override; // expected-error {{only virtual member functions can be marked 'override'}}
|
|
void i() final; // expected-error {{only virtual member functions can be marked 'final'}}
|
|
};
|
|
B<int> b; // no-note
|
|
template<typename T> struct C : T {
|
|
void g() override;
|
|
void i() final;
|
|
};
|
|
template<typename T> struct D : X {
|
|
virtual void g() override; // expected-error {{does not override}}
|
|
virtual void i() final;
|
|
};
|
|
template<typename...T> struct E : X {
|
|
void f(T...) override;
|
|
void g(T...) override; // expected-error {{only virtual member functions can be marked 'override'}}
|
|
void h(T...) final;
|
|
void i(T...) final; // expected-error {{only virtual member functions can be marked 'final'}}
|
|
};
|
|
// FIXME: Diagnose these in the template definition, not in the instantiation.
|
|
E<> e; // expected-note {{in instantiation of}}
|
|
|
|
template<typename T> struct Y : T {
|
|
void f() override;
|
|
void h() final;
|
|
};
|
|
template<typename T> struct Z : T {
|
|
void g() override; // expected-error {{only virtual member functions can be marked 'override'}}
|
|
void i() final; // expected-error {{only virtual member functions can be marked 'final'}}
|
|
};
|
|
Y<X> y;
|
|
Z<X> z; // expected-note {{in instantiation of}}
|
|
}
|
|
|
|
namespace MemberOfUnknownSpecialization {
|
|
template<typename T> struct A {
|
|
struct B {};
|
|
struct C : B {
|
|
void f() override;
|
|
};
|
|
};
|
|
|
|
template<> struct A<int>::B {
|
|
virtual void f();
|
|
};
|
|
// ok
|
|
A<int>::C c1;
|
|
|
|
template<> struct A<char>::B {
|
|
void f();
|
|
};
|
|
// expected-error@-13 {{only virtual member functions can be marked 'override'}}
|
|
// expected-note@+1 {{in instantiation of}}
|
|
A<char>::C c2;
|
|
|
|
template<> struct A<double>::B {
|
|
virtual void f() final;
|
|
};
|
|
// expected-error@-20 {{declaration of 'f' overrides a 'final' function}}
|
|
// expected-note@-3 {{here}}
|
|
// expected-note@+1 {{in instantiation of}}
|
|
A<double>::C c3;
|
|
}
|
|
|
|
namespace DiagnosticsQOI {
|
|
struct X {
|
|
virtual ~X();
|
|
virtual void foo(int x); // expected-note {{hidden overloaded virtual function}}
|
|
virtual void bar(int x); // expected-note 2 {{hidden overloaded virtual function}}
|
|
virtual void bar(float x); // expected-note 2 {{hidden overloaded virtual function}}
|
|
};
|
|
|
|
struct Y : X {
|
|
void foo(int x, int y) override; // expected-error {{non-virtual member function marked 'override' hides virtual member function}}
|
|
void bar(double) override; // expected-error {{non-virtual member function marked 'override' hides virtual member functions}}
|
|
void bar(long double) final; // expected-error {{non-virtual member function marked 'final' hides virtual member functions}}
|
|
};
|
|
|
|
template<typename T>
|
|
struct Z : T {
|
|
static void foo() override; // expected-error {{only virtual member functions can be marked 'override'}}
|
|
};
|
|
}
|