blob: 037fc3dadb964dbace70b241baec36d7def3801d [file] [log] [blame]
// RUN: %clang_cc1 -fsyntax-only -verify %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
struct Outer {
struct Inner {
int intfield;
};
};
struct Base {
void base_member();
typedef int Int;
Int typedeffed_member();
};
struct Derived : public Base {
};
int myglobal;
void global_function();
extern "C" {
void global_c_function();
}
class A {
class AInner {
};
friend class PreDeclared;
friend class Outer::Inner;
friend int Outer::Inner::intfield; // expected-error {{friends can only be classes or functions}}
friend int Outer::Inner::missing_field; //expected-error {{friends can only be classes or functions}}
friend int myoperation(float); // okay
friend int myglobal; // expected-error {{friends can only be classes or functions}}
friend void global_function();
friend void global_c_function();
friend class UndeclaredSoFar;
UndeclaredSoFar x; // expected-error {{unknown type name 'UndeclaredSoFar'}}
void a_member();
friend void A::a_member();
#if __cplusplus <= 199711L
// expected-error@-2 {{friends cannot be members of the declaring class}}
#endif
friend void a_member(); // okay (because we ignore class scopes when looking up friends)
friend class A::AInner; // this is okay as an extension
friend class AInner; // okay, refers to ::AInner
friend void Derived::missing_member(); // expected-error {{no function named 'missing_member' with type 'void ()' was found in the specified scope}}
friend void Derived::base_member(); // expected-error {{no function named 'base_member' with type 'void ()' was found in the specified scope}}
friend int Base::typedeffed_member(); // okay: should look through typedef
// These test that the friend is properly not being treated as a
// member function.
friend A operator|(const A& l, const A& r); // okay
friend A operator|(const A& r); // expected-error {{overloaded 'operator|' must be a binary operator (has 1 parameter)}}
friend operator bool() const; // expected-error {{must use a qualified name when declaring a conversion operator as a friend}} \
// expected-error{{non-member function cannot have 'const' qualifier}}
typedef void ftypedef();
friend ftypedef typedeffed_function; // okay (because it's not declared as a member)
class facet;
friend class facet; // should not assert
class facet {};
friend int Unknown::thing(); // expected-error {{use of undeclared identifier}}
friend int friendfunc(), Unknown::thing(); // expected-error {{use of undeclared identifier}}
friend int friendfunc(), Unknown::thing() : 4; // expected-error {{use of undeclared identifier}}
};
A::UndeclaredSoFar y; // expected-error {{no type named 'UndeclaredSoFar' in 'A'}}
class PreDeclared;
int myoperation(float f) {
return (int) f;
}
template <typename T>
class B {
template <typename U>
friend B<U>() {} // expected-error {{must use a qualified name when declaring a constructor as a friend}}
};