510 lines
14 KiB
C++
510 lines
14 KiB
C++
// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify %s
|
|
|
|
// C++0x [class.access]p4:
|
|
|
|
// Access control is applied uniformly to all names, whether the
|
|
// names are referred to from declarations or expressions. In the
|
|
// case of overloaded function names, access control is applied to
|
|
// the function selected by overload resolution.
|
|
|
|
class Public {} PublicInst;
|
|
class Protected {} ProtectedInst;
|
|
class Private {} PrivateInst;
|
|
|
|
namespace test0 {
|
|
class A {
|
|
public:
|
|
void foo(Public&);
|
|
protected:
|
|
void foo(Protected&); // expected-note 2 {{declared protected here}}
|
|
private:
|
|
void foo(Private&); // expected-note 2 {{declared private here}}
|
|
};
|
|
|
|
void test(A *op) {
|
|
op->foo(PublicInst);
|
|
op->foo(ProtectedInst); // expected-error {{'foo' is a protected member}}
|
|
op->foo(PrivateInst); // expected-error {{'foo' is a private member}}
|
|
|
|
void (A::*a)(Public&) = &A::foo;
|
|
void (A::*b)(Protected&) = &A::foo; // expected-error {{'foo' is a protected member}}
|
|
void (A::*c)(Private&) = &A::foo; // expected-error {{'foo' is a private member}}
|
|
}
|
|
}
|
|
|
|
// Member operators.
|
|
namespace test1 {
|
|
class A {
|
|
public:
|
|
void operator+(Public&);
|
|
void operator[](Public&);
|
|
void operator()(Public&);
|
|
typedef void (*PublicSurrogate)(Public&);
|
|
operator PublicSurrogate() const;
|
|
protected:
|
|
void operator+(Protected&); // expected-note {{declared protected here}}
|
|
void operator[](Protected&); // expected-note {{declared protected here}}
|
|
void operator()(Protected&); // expected-note {{declared protected here}}
|
|
typedef void (*ProtectedSurrogate)(Protected&);
|
|
operator ProtectedSurrogate() const; // expected-note {{declared protected here}}
|
|
private:
|
|
void operator+(Private&); // expected-note {{declared private here}}
|
|
void operator[](Private&); // expected-note {{declared private here}}
|
|
void operator()(Private&); // expected-note {{declared private here}}
|
|
void operator-(); // expected-note {{declared private here}}
|
|
typedef void (*PrivateSurrogate)(Private&);
|
|
operator PrivateSurrogate() const; // expected-note {{declared private here}}
|
|
};
|
|
void operator+(const A &, Public&);
|
|
void operator+(const A &, Protected&);
|
|
void operator+(const A &, Private&);
|
|
void operator-(const A &);
|
|
|
|
void test(A &a, Public &pub, Protected &prot, Private &priv) {
|
|
a + pub;
|
|
a + prot; // expected-error {{'operator+' is a protected member}}
|
|
a + priv; // expected-error {{'operator+' is a private member}}
|
|
a[pub];
|
|
a[prot]; // expected-error {{'operator[]' is a protected member}}
|
|
a[priv]; // expected-error {{'operator[]' is a private member}}
|
|
a(pub);
|
|
a(prot); // expected-error {{'operator()' is a protected member}}
|
|
a(priv); // expected-error {{'operator()' is a private member}}
|
|
-a; // expected-error {{'operator-' is a private member}}
|
|
|
|
const A &ca = a;
|
|
ca + pub;
|
|
ca + prot;
|
|
ca + priv;
|
|
-ca;
|
|
// These are all surrogate calls
|
|
ca(pub);
|
|
ca(prot); // expected-error {{'operator void (*)(class Protected &)' is a protected member}}
|
|
ca(priv); // expected-error {{'operator void (*)(class Private &)' is a private member}}
|
|
}
|
|
}
|
|
|
|
// Implicit constructor calls.
|
|
namespace test2 {
|
|
class A {
|
|
private:
|
|
A(); // expected-note 3 {{declared private here}}
|
|
|
|
static A foo;
|
|
};
|
|
|
|
A a; // expected-error {{calling a private constructor}}
|
|
A A::foo; // okay
|
|
|
|
class B : A { }; // expected-error {{base class 'test2::A' has private default constructor}}
|
|
B b; // expected-note{{implicit default constructor}}
|
|
|
|
class C : virtual A {
|
|
public:
|
|
C();
|
|
};
|
|
|
|
class D : C { }; // expected-error {{inherited virtual base class 'test2::A' has private default constructor}}
|
|
D d; // expected-note{{implicit default constructor}}
|
|
}
|
|
|
|
// Implicit destructor calls.
|
|
namespace test3 {
|
|
class A {
|
|
private:
|
|
~A(); // expected-note 2 {{declared private here}}
|
|
static A foo;
|
|
};
|
|
|
|
A a; // expected-error {{variable of type 'test3::A' has private destructor}}
|
|
A A::foo;
|
|
|
|
void foo(A param) { // okay
|
|
A local; // expected-error {{variable of type 'test3::A' has private destructor}}
|
|
}
|
|
|
|
template <unsigned N> class Base { ~Base(); }; // expected-note 14 {{declared private here}}
|
|
class Base2 : virtual Base<2> { ~Base2(); }; // expected-note 3 {{declared private here}} \
|
|
// expected-error {{base class 'Base<2>' has private destructor}}
|
|
class Base3 : virtual Base<3> { public: ~Base3(); }; // expected-error {{base class 'Base<3>' has private destructor}}
|
|
|
|
// These don't cause diagnostics because we don't need the destructor.
|
|
class Derived0 : Base<0> { ~Derived0(); };
|
|
class Derived1 : Base<1> { };
|
|
|
|
class Derived2 : // expected-error {{inherited virtual base class 'Base<2>' has private destructor}} \
|
|
// expected-error {{inherited virtual base class 'Base<3>' has private destructor}}
|
|
Base<0>, // expected-error {{base class 'Base<0>' has private destructor}}
|
|
virtual Base<1>, // expected-error {{base class 'Base<1>' has private destructor}}
|
|
Base2, // expected-error {{base class 'test3::Base2' has private destructor}}
|
|
virtual Base3
|
|
{
|
|
~Derived2() {}
|
|
};
|
|
|
|
class Derived3 : // expected-error 2 {{inherited virtual base class 'Base<2>' has private destructor}} \
|
|
// expected-error 2 {{inherited virtual base class 'Base<3>' has private destructor}} \
|
|
// expected-note 2{{implicit default constructor}}
|
|
Base<0>, // expected-error 2 {{base class 'Base<0>' has private destructor}}
|
|
virtual Base<1>, // expected-error 2 {{base class 'Base<1>' has private destructor}}
|
|
Base2, // expected-error 2 {{base class 'test3::Base2' has private destructor}}
|
|
virtual Base3
|
|
{};
|
|
Derived3 d3; // expected-note {{implicit default constructor}}\
|
|
// expected-note{{implicit destructor}}}
|
|
}
|
|
|
|
// Conversion functions.
|
|
namespace test4 {
|
|
class Base {
|
|
private:
|
|
operator Private(); // expected-note 4 {{declared private here}}
|
|
public:
|
|
operator Public(); // expected-note 2{{member is declared here}}
|
|
};
|
|
|
|
class Derived1 : private Base { // expected-note 2 {{declared private here}} \
|
|
// expected-note {{constrained by private inheritance}}
|
|
Private test1() { return *this; } // expected-error {{'operator Private' is a private member}}
|
|
Public test2() { return *this; }
|
|
};
|
|
Private test1(Derived1 &d) { return d; } // expected-error {{'operator Private' is a private member}} \
|
|
// expected-error {{cannot cast 'test4::Derived1' to its private base class}}
|
|
Public test2(Derived1 &d) { return d; } // expected-error {{cannot cast 'test4::Derived1' to its private base class}} \
|
|
// expected-error {{'operator Public' is a private member}}
|
|
|
|
|
|
class Derived2 : public Base {
|
|
Private test1() { return *this; } // expected-error {{'operator Private' is a private member}}
|
|
Public test2() { return *this; }
|
|
};
|
|
Private test1(Derived2 &d) { return d; } // expected-error {{'operator Private' is a private member}}
|
|
Public test2(Derived2 &d) { return d; }
|
|
|
|
class Derived3 : private Base { // expected-note {{constrained by private inheritance here}} \
|
|
// expected-note {{declared private here}}
|
|
public:
|
|
operator Private();
|
|
};
|
|
Private test1(Derived3 &d) { return d; }
|
|
Public test2(Derived3 &d) { return d; } // expected-error {{'operator Public' is a private member of 'test4::Base'}} \
|
|
// expected-error {{cannot cast 'test4::Derived3' to its private base class}}
|
|
|
|
class Derived4 : public Base {
|
|
public:
|
|
operator Private();
|
|
};
|
|
Private test1(Derived4 &d) { return d; }
|
|
Public test2(Derived4 &d) { return d; }
|
|
}
|
|
|
|
// Implicit copy assignment operator uses.
|
|
namespace test5 {
|
|
class A {
|
|
void operator=(const A &); // expected-note 2 {{implicitly declared private here}}
|
|
};
|
|
|
|
class Test1 { A a; }; // expected-error {{private member}}
|
|
void test1() {
|
|
Test1 a;
|
|
a = Test1(); // expected-note{{implicit copy}}
|
|
}
|
|
|
|
class Test2 : A {}; // expected-error {{private member}}
|
|
void test2() {
|
|
Test2 a;
|
|
a = Test2(); // expected-note{{implicit copy}}
|
|
}
|
|
}
|
|
|
|
// Implicit copy constructor uses.
|
|
namespace test6 {
|
|
class A {
|
|
public: A();
|
|
private: A(const A &); // expected-note 2 {{declared private here}}
|
|
};
|
|
|
|
class Test1 { A a; }; // expected-error {{field of type 'test6::A' has private copy constructor}}
|
|
void test1(const Test1 &t) {
|
|
Test1 a = t; // expected-note{{implicit copy}}
|
|
}
|
|
|
|
class Test2 : A {}; // expected-error {{base class 'test6::A' has private copy constructor}}
|
|
void test2(const Test2 &t) {
|
|
Test2 a = t; // expected-note{{implicit copy}}
|
|
}
|
|
}
|
|
|
|
// Redeclaration lookups are not accesses.
|
|
namespace test7 {
|
|
class A {
|
|
int private_member;
|
|
};
|
|
class B : A {
|
|
int foo(int private_member) {
|
|
return 0;
|
|
}
|
|
};
|
|
}
|
|
|
|
// Ignored operator new and delete overloads are not
|
|
namespace test8 {
|
|
typedef __typeof__(sizeof(int)) size_t;
|
|
|
|
class A {
|
|
void *operator new(size_t s);
|
|
void operator delete(void *p);
|
|
public:
|
|
void *operator new(size_t s, int n);
|
|
void operator delete(void *p, int n);
|
|
};
|
|
|
|
void test() {
|
|
new (2) A();
|
|
}
|
|
}
|
|
|
|
// Don't silently upgrade forbidden-access paths to private.
|
|
namespace test9 {
|
|
class A {
|
|
public: static int x; // expected-note {{member is declared here}}
|
|
};
|
|
class B : private A { // expected-note {{constrained by private inheritance here}}
|
|
};
|
|
class C : public B {
|
|
static int getX() { return x; } // expected-error {{'x' is a private member of 'test9::A'}}
|
|
};
|
|
}
|
|
|
|
namespace test10 {
|
|
class A {
|
|
enum {
|
|
value = 10 // expected-note {{declared private here}}
|
|
};
|
|
friend class C;
|
|
};
|
|
|
|
class B {
|
|
enum {
|
|
value = A::value // expected-error {{'value' is a private member of 'test10::A'}}
|
|
};
|
|
};
|
|
|
|
class C {
|
|
enum {
|
|
value = A::value
|
|
};
|
|
};
|
|
}
|
|
|
|
namespace test11 {
|
|
class A {
|
|
protected: virtual ~A();
|
|
};
|
|
|
|
class B : public A {
|
|
~B();
|
|
};
|
|
|
|
B::~B() {};
|
|
}
|
|
|
|
namespace test12 {
|
|
class A {
|
|
int x;
|
|
|
|
void foo() {
|
|
class Local {
|
|
int foo(A *a) {
|
|
return a->x;
|
|
}
|
|
};
|
|
}
|
|
};
|
|
}
|
|
|
|
namespace test13 {
|
|
struct A {
|
|
int x;
|
|
unsigned foo() const;
|
|
};
|
|
|
|
struct B : protected A {
|
|
using A::foo;
|
|
using A::x;
|
|
};
|
|
|
|
void test() {
|
|
A *d;
|
|
d->foo();
|
|
(void) d->x;
|
|
}
|
|
}
|
|
|
|
// Destructors for temporaries.
|
|
namespace test14 {
|
|
class A {
|
|
private: ~A(); // expected-note {{declared private here}}
|
|
};
|
|
A foo();
|
|
|
|
void test() {
|
|
foo(); // expected-error {{temporary of type 'test14::A' has private destructor}}
|
|
}
|
|
|
|
class X {
|
|
~X(); // expected-note {{declared private here}}
|
|
};
|
|
|
|
struct Y1 {
|
|
operator X();
|
|
};
|
|
|
|
void g() {
|
|
const X &xr = Y1(); // expected-error{{temporary of type 'test14::X' has private destructor}}
|
|
}
|
|
}
|
|
|
|
// PR 7024
|
|
namespace test15 {
|
|
template <class T> class A {
|
|
private:
|
|
int private_foo; // expected-note {{declared private here}}
|
|
static int private_sfoo; // expected-note {{declared private here}}
|
|
protected:
|
|
int protected_foo; // expected-note 3 {{declared protected here}} // expected-note {{can only access this member on an object of type 'test15::B<int>'}}
|
|
static int protected_sfoo; // expected-note 3 {{declared protected here}}
|
|
|
|
int test1(A<int> &a) {
|
|
return a.private_foo; // expected-error {{private member}}
|
|
}
|
|
|
|
int test2(A<int> &a) {
|
|
return a.private_sfoo; // expected-error {{private member}}
|
|
}
|
|
|
|
int test3(A<int> &a) {
|
|
return a.protected_foo; // expected-error {{protected member}}
|
|
}
|
|
|
|
int test4(A<int> &a) {
|
|
return a.protected_sfoo; // expected-error {{protected member}}
|
|
}
|
|
};
|
|
|
|
template class A<int>;
|
|
template class A<long>; // expected-note 4 {{in instantiation}}
|
|
|
|
template <class T> class B : public A<T> {
|
|
// TODO: These first two accesses can be detected as ill-formed at
|
|
// definition time because they're member accesses and A<int> can't
|
|
// be a subclass of B<T> for any T.
|
|
|
|
int test1(A<int> &a) {
|
|
return a.protected_foo; // expected-error 2 {{protected member}}
|
|
}
|
|
|
|
int test2(A<int> &a) {
|
|
return a.protected_sfoo; // expected-error {{protected member}}
|
|
}
|
|
|
|
int test3(B<int> &b) {
|
|
return b.protected_foo; // expected-error {{protected member}}
|
|
}
|
|
|
|
int test4(B<int> &b) {
|
|
return b.protected_sfoo; // expected-error {{protected member}}
|
|
}
|
|
};
|
|
|
|
template class B<int>; // expected-note {{in instantiation}}
|
|
template class B<long>; // expected-note 4 {{in instantiation}}
|
|
}
|
|
|
|
// PR7281
|
|
namespace test16 {
|
|
class A { ~A(); }; // expected-note 2{{declared private here}}
|
|
void b() { throw A(); } // expected-error{{temporary of type 'test16::A' has private destructor}} \
|
|
// expected-error{{exception object of type 'test16::A' has private destructor}}
|
|
}
|
|
|
|
// rdar://problem/8146294
|
|
namespace test17 {
|
|
class A {
|
|
template <typename T> class Inner { }; // expected-note {{declared private here}}
|
|
};
|
|
|
|
A::Inner<int> s; // expected-error {{'Inner' is a private member of 'test17::A'}}
|
|
}
|
|
|
|
namespace test18 {
|
|
template <class T> class A {};
|
|
class B : A<int> {
|
|
A<int> member;
|
|
};
|
|
|
|
// FIXME: this access to A should be forbidden (because C++ is dumb),
|
|
// but LookupResult can't express the necessary information to do
|
|
// the check, so we aggressively suppress access control.
|
|
class C : B {
|
|
A<int> member;
|
|
};
|
|
}
|
|
|
|
// PR8325
|
|
namespace test19 {
|
|
class A { ~A(); };
|
|
// The destructor is not implicitly referenced here. Contrast to test16,
|
|
// testing PR7281, earlier in this file.
|
|
void b(A* x) { throw x; }
|
|
}
|
|
|
|
// PR7930
|
|
namespace test20 {
|
|
class Foo {
|
|
Foo(); // expected-note {{implicitly declared private here}}
|
|
};
|
|
Foo::Foo() {}
|
|
|
|
void test() {
|
|
Foo a; // expected-error {{calling a private constructor}}
|
|
}
|
|
}
|
|
|
|
namespace test21 {
|
|
template <class T> class A {
|
|
void foo();
|
|
void bar();
|
|
class Inner; // expected-note {{implicitly declared private here}}
|
|
public:
|
|
void baz();
|
|
};
|
|
template <class T> class A<T>::Inner {};
|
|
class B {
|
|
template <class T> class A<T>::Inner; // expected-error{{non-friend class member 'Inner' cannot have a qualified name}}
|
|
};
|
|
|
|
void test() {
|
|
A<int>::Inner i; // expected-error {{'Inner' is a private member}}
|
|
}
|
|
}
|
|
|
|
namespace rdar8876150 {
|
|
struct A { operator bool(); };
|
|
struct B : private A { using A::operator bool; };
|
|
|
|
bool f() {
|
|
B b;
|
|
return !b;
|
|
}
|
|
}
|
|
|
|
namespace test23 {
|
|
template <typename T> class A {
|
|
A();
|
|
static A instance;
|
|
};
|
|
|
|
template <typename T> A<T> A<T>::instance;
|
|
template class A<int>;
|
|
}
|