81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s
|
|
template<typename T>
|
|
class X0 {
|
|
friend T;
|
|
};
|
|
|
|
class Y1 { };
|
|
enum E1 { };
|
|
X0<Y1> x0a;
|
|
X0<Y1 *> x0b;
|
|
X0<int> x0c;
|
|
X0<E1> x0d;
|
|
|
|
template<typename T>
|
|
class X1 {
|
|
friend typename T::type; // expected-error{{no type named 'type' in 'Y1'}}
|
|
};
|
|
|
|
struct Y2 {
|
|
struct type { };
|
|
};
|
|
|
|
struct Y3 {
|
|
typedef int type;
|
|
};
|
|
|
|
X1<Y2> x1a;
|
|
X1<Y3> x1b;
|
|
X1<Y1> x1c; // expected-note{{in instantiation of template class 'X1<Y1>' requested here}}
|
|
|
|
template<typename T> class B;
|
|
|
|
template<typename T>
|
|
class A {
|
|
T x;
|
|
public:
|
|
class foo {};
|
|
static int y;
|
|
template <typename S> friend class B<S>::ty; // expected-warning {{dependent nested name specifier 'B<S>::' for friend class declaration is not supported}}
|
|
};
|
|
|
|
template<typename T> class B { typedef int ty; };
|
|
|
|
template<> class B<int> {
|
|
class ty {
|
|
static int f(A<int> &a) { return a.y; } // ok, befriended
|
|
};
|
|
};
|
|
int f(A<char> &a) { return a.y; } // FIXME: should be an error
|
|
|
|
struct {
|
|
// Ill-formed
|
|
int friend; // expected-error {{'friend' must appear first in a non-function declaration}}
|
|
unsigned friend int; // expected-error {{'friend' must appear first in a non-function declaration}}
|
|
const volatile friend int; // expected-error {{'friend' must appear first in a non-function declaration}} \
|
|
// expected-error {{'const' is invalid in friend declarations}} \
|
|
// expected-error {{'volatile' is invalid in friend declarations}}
|
|
int
|
|
friend; // expected-error {{'friend' must appear first in a non-function declaration}}
|
|
friend const int; // expected-error {{'const' is invalid in friend declarations}}
|
|
friend volatile int; // expected-error {{'volatile' is invalid in friend declarations}}
|
|
template <typename T> friend const class X; // expected-error {{'const' is invalid in friend declarations}}
|
|
// C++ doesn't have restrict and _Atomic, but they're both the same sort
|
|
// of qualifier.
|
|
typedef int *PtrToInt;
|
|
friend __restrict PtrToInt; // expected-error {{'restrict' is invalid in friend declarations}} \
|
|
// expected-error {{restrict requires a pointer or reference}}
|
|
friend _Atomic int; // expected-error {{'_Atomic' is invalid in friend declarations}}
|
|
|
|
// OK
|
|
int friend foo(void);
|
|
const int friend foo2(void);
|
|
friend int;
|
|
friend
|
|
|
|
float;
|
|
template<typename T> friend class A<T>::foo; // expected-warning {{not supported}}
|
|
} a;
|
|
|
|
void testA() { (void)sizeof(A<int>); }
|