// RUN: %clang_cc1 -fsyntax-only -verify %s
namespace test0 {
class A {
protected: int x; // expected-note 3 {{declared}} \
// expected-note {{member is declared here}}
static int sx; // expected-note 3 {{declared}} \
// expected-note {{member is declared here}}
};
class B : public A {
};
class C : protected A { // expected-note {{declared}}
};
class D : private B { // expected-note 3 {{constrained}}
};
void test(A &a) {
(void) a.x; // expected-error {{'x' is a protected member}}
(void) a.sx; // expected-error {{'sx' is a protected member}}
}
void test(B &b) {
(void) b.x; // expected-error {{'x' is a protected member}}
(void) b.sx; // expected-error {{'sx' is a protected member}}
}
void test(C &c) {
(void) c.x; // expected-error {{'x' is a protected member}} expected-error {{protected base class}}
(void) c.sx; // expected-error {{'sx' is a protected member}}
}
void test(D &d) {
(void) d.x; // expected-error {{'x' is a private member}} expected-error {{private base class}}
(void) d.sx; // expected-error {{'sx' is a private member}}
}
}
namespace test1 {
class A {
protected: int x;
static int sx;
static void test(A&);
};
class B : public A {
static void test(B&);
};
class C : protected A {
static void test(C&);
};
class D : private B {
static void test(D&);
};
void A::test(A &a) {
(void) a.x;
(void) a.sx;
}
void B::test(B &b) {
(void) b.x;
(void) b.sx;
}
void C::test(C &c) {
(void) c.x;
(void) c.sx;
}
void D::test(D &d) {
(void) d.x;
(void) d.sx;
}
}
namespace test2 {
class A {
protected: int x; // expected-note 3 {{can only access this member on an object of type}}
static int sx;
static void test(A&);
};
class B : public A {
static void test(A&);
};
class C : protected A {
static void test(A&);
};
class D : private B {
static void test(A&);
};
void A::test(A &a) {
(void) a.x;
(void) a.sx;
}
void B::test(A &a) {
(void) a.x; // expected-error {{'x' is a protected member}}
(void) a.sx;
}
void C::test(A &a) {
(void) a.x; // expected-error {{'x' is a protected member}}
(void) a.sx;
}
void D::test(A &a) {
(void) a.x; // expected-error {{'x' is a protected member}}
(void) a.sx;
}
}
namespace test3 {
class B;
class A {
protected: int x; //expected-note {{declared protected}} // expected-note {{can only access this member on an object of type}}
static int sx;
static void test(B&);
};
class B : public A {
static void test(B&);
};
class C : protected A {
static void test(B&);
};
class D : private B {
static void test(B&);
};
void A::test(B &b) {
(void) b.x;
(void) b.sx;
}
void B::test(B &b) {
(void) b.x;
(void) b.sx;
}
void C::test(B &b) {
(void) b.x; // expected-error {{'x' is a protected member}}
(void) b.sx;
}
void D::test(B &b) {
(void) b.x; // expected-error {{'x' is a protected member}}
(void) b.sx;
}
}
namespace test4 {
class C;
class A {
protected: int x; // expected-note 2{{declared protected here}} expected-note{{member is declared here}}
static int sx; // expected-note 3{{member is declared here}}
static void test(C&);
};
class B : public A {
static void test(C&);
};
class C : protected A { // expected-note 4 {{constrained}} expected-note 3 {{declared}}
static void test(C&);
};
class D : private B {
static void test(C&);
};
void A::test(C &c) {
(void) c.x; // expected-error {{'x' is a protected member}} \
// expected-error {{protected base class}}
(void) c.sx; // expected-error {{'sx' is a protected member}}
}
void B::test(C &c) {
(void) c.x; // expected-error {{'x' is a protected member}} \
// expected-error {{protected base class}}
(void) c.sx; // expected-error {{'sx' is a protected member}}
}
void C::test(C &c) {
(void) c.x;
(void) c.sx;
}
void D::test(C &c) {
(void) c.x; // expected-error {{'x' is a protected member}} \
// expected-error {{protected base class}}
(void) c.sx; // expected-error {{'sx' is a protected member}}
}
}
namespace test5 {
class D;
class A {
protected: int x; // expected-note 3{{member is declared here}}
static int sx; // expected-note 3{{member is declared here}}
static void test(D&);
};
class B : public A {
static void test(D&);
};
class C : protected A {
static void test(D&);
};
class D : private B { // expected-note 9 {{constrained}}
static void test(D&);
};
void A::test(D &d) {
(void) d.x; // expected-error {{'x' is a private member}} \
// expected-error {{cannot cast}}
(void) d.sx; // expected-error {{'sx' is a private member}}
}
void B::test(D &d) {
(void) d.x; // expected-error {{'x' is a private member}} \
// expected-error {{cannot cast}}
(void) d.sx; // expected-error {{'sx' is a private member}}
}
void C::test(D &d) {
(void) d.x; // expected-error {{'x' is a private member}} \
// expected-error {{cannot cast}}
(void) d.sx; // expected-error {{'sx' is a private member}}
}
void D::test(D &d) {
(void) d.x;
(void) d.sx;
}
}
namespace test6 {
class Static {};
class A {
protected:
void foo(int); // expected-note 3 {{can only access this member on an object of type}}
void foo(long);
static void foo(Static);
static void test(A&);
};
class B : public A {
static void test(A&);
};
class C : protected A {
static void test(A&);
};
class D : private B {
static void test(A&);
};
void A::test(A &a) {
a.foo(10);
a.foo(Static());
}
void B::test(A &a) {
a.foo(10); // expected-error {{'foo' is a protected member}}
a.foo(Static());
}
void C::test(A &a) {
a.foo(10); // expected-error {{'foo' is a protected member}}
a.foo(Static());
}
void D::test(A &a) {
a.foo(10); // expected-error {{'foo' is a protected member}}
a.foo(Static());
}
}
namespace test7 {
class Static {};
class A {
protected:
void foo(int); // expected-note 3 {{must name member using the type of the current context}}
void foo(long);
static void foo(Static);
static void test();
};
class B : public A {
static void test();
};
class C : protected A {
static void test();
};
class D : private B {
static void test();
};
void A::test() {
void (A::*x)(int) = &A::foo;
void (*sx)(Static) = &A::foo;
}
void B::test() {
void (A::*x)(int) = &A::foo; // expected-error {{'foo' is a protected member}}
void (*sx)(Static) = &A::foo;
}
void C::test() {
void (A::*x)(int) = &A::foo; // expected-error {{'foo' is a protected member}}
void (*sx)(Static) = &A::foo;
}
void D::test() {
void (A::*x)(int) = &A::foo; // expected-error {{'foo' is a protected member}}
void (*sx)(Static) = &A::foo;
}
}
namespace test8 {
class Static {};
class A {
protected:
void foo(int); // expected-note 3 {{must name member using the type of the current context}}
void foo(long);
static void foo(Static);
static void test();
};
class B : public A {
static void test();
};
class C : protected A {
static void test();
};
class D : private B {
static void test();
};
void call(void (A::*)(int));
void calls(void (*)(Static));
void A::test() {
call(&A::foo);
calls(&A::foo);
}
void B::test() {
call(&A::foo); // expected-error {{'foo' is a protected member}}
calls(&A::foo);
}
void C::test() {
call(&A::foo); // expected-error {{'foo' is a protected member}}
calls(&A::foo);
}
void D::test() {
call(&A::foo); // expected-error {{'foo' is a protected member}}
calls(&A::foo);
}
}
namespace test9 {
class A { // expected-note {{member is declared here}}
protected: int foo(); // expected-note 4 {{declared}} expected-note 3 {{can only access this member on an object of type}} expected-note 2 {{member is declared here}}
};
class B : public A { // expected-note {{member is declared here}}
friend class D;
};
class C : protected B { // expected-note {{declared}} \
// expected-note 9 {{constrained}}
};
class D : public A {
static void test(A &a) {
a.foo(); // expected-error {{'foo' is a protected member}}
a.A::foo(); // expected-error {{'foo' is a protected member}}
a.B::foo(); // expected-error {{'foo' is a protected member}}
a.C::foo(); // expected-error {{'foo' is a protected member}}
a.D::foo(); // expected-error {{'foo' is a protected member}}
}
static void test(B &b) {
b.foo();
b.A::foo();
b.B::foo(); // accessible as named in A
b.C::foo(); // expected-error {{'foo' is a protected member}}
}
static void test(C &c) {
c.foo(); // expected-error {{'foo' is a protected member}} \
// expected-error {{cannot cast}}
c.A::foo(); // expected-error {{'A' is a protected member}} \
// expected-error {{cannot cast}}
c.B::foo(); // expected-error {{'B' is a protected member}} \
// expected-error {{cannot cast}}
c.C::foo(); // expected-error {{'foo' is a protected member}} \
// expected-error {{cannot cast}}
}
static void test(D &d) {
d.foo();
d.A::foo();
d.B::foo();
d.C::foo(); // expected-error {{'foo' is a protected member}}
}
};
}
namespace test10 {
template<typename T> class A {
protected:
int foo();
int foo() const;
~A() { foo(); }
};
template class A<int>;
}
// rdar://problem/8360285: class.protected friendship
namespace test11 {
class A {
protected:
int foo();
};
class B : public A {
friend class C;
};
class C {
void test() {
B b;
b.A::foo();
}
};
}
// This friendship is considered because a public member of A would be
// a private member of C.
namespace test12 {
class A { protected: int foo(); };
class B : public virtual A {};
class C : private B { friend void test(); };
class D : private C, public virtual A {};
void test() {
D d;
d.A::foo();
}
}
// This friendship is not considered because a public member of A is
// inaccessible in C.
namespace test13 {
class A { protected: int foo(); }; // expected-note {{declared protected here}}
class B : private virtual A {};
class C : private B { friend void test(); };
class D : public virtual A {};
void test() {
D d;
d.A::foo(); // expected-error {{protected member}}
}
}
// PR8058
namespace test14 {
class A {
protected:
template <class T> void temp(T t); // expected-note {{must name member using the type of the current context}}
void nontemp(int); // expected-note {{must name member using the type of the current context}}
template <class T> void ovl_temp(T t); // expected-note {{must name member using the type of the current context}}
void ovl_temp(float);
void ovl_nontemp(int); // expected-note {{must name member using the type of the current context}}
void ovl_nontemp(float);
template <class T> void ovl_withtemp(T);
void ovl_withtemp(int); // expected-note {{must name member using the type of the current context}}
};
class B : public A {
void use() {
void (A::*ptr)(int);
ptr = &A::temp; // expected-error {{protected member}}
ptr = &A::nontemp; // expected-error {{protected member}}
ptr = &A::ovl_temp; // expected-error {{protected member}}
ptr = &A::ovl_nontemp; // expected-error {{protected member}}
ptr = &A::ovl_withtemp; // expected-error {{protected member}}
}
};
}
namespace test15 {
class A {
protected:
A(); // expected-note 2 {{protected constructor can only be used to construct a base class subobject}}
A(const A &); // expected-note {{protected constructor can only be used to construct a base class subobject}}
~A(); // expected-note 3 {{protected destructor can only be used to destroy a base class subobject}}
};
class B : public A {
// The uses here are fine.
B() {}
B(int i) : A() {}
~B() {}
// All these uses are bad.
void test0() {
A a; // expected-error {{protected constructor}} expected-error {{protected destructor}}
}
A *test1() {
return new A(); // expected-error {{protected constructor}}
}
void test2(A *a) {
delete a; // expected-error {{protected destructor}}
}
A test3(A *a) {
return *a; // expected-error {{protected constructor}}
}
void test4(A *a) {
a->~A(); // expected-error {{protected member}}
}
};
}
namespace test16 {
class A {
protected:
~A();
};
class B : public virtual A {
public:
~B() {}
};
class C : public B {
~C() {}
};
}