clang-1/test/SemaCXX/namespace-alias.cpp

124 строки
2.1 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
namespace N { struct X { }; };
namespace A = N;
int B; // expected-note {{previous definition is here}}
namespace B = N; // expected-error {{redefinition of 'B' as different kind of symbol}}
namespace C { } // expected-note {{previous definition is here}}
namespace C = N; // expected-error {{redefinition of 'C'}}
int i;
namespace D = i; // expected-error {{expected namespace name}}
namespace E = N::Foo; // expected-error {{expected namespace name}}
namespace F {
namespace A { namespace B { } } // expected-note {{candidate found by name lookup is 'F::A::B'}}
namespace B { } // expected-note {{candidate found by name lookup is 'F::B'}}
using namespace A;
namespace D = B; // expected-error {{reference to 'B' is ambiguous}}
}
namespace G {
namespace B = N;
}
namespace H {
namespace A1 { }
namespace A2 { }
// These all point to A1.
namespace B = A1; // expected-note {{previous definition is here}}
namespace B = A1;
namespace C = B;
namespace B = C;
namespace B = A2; // expected-error {{redefinition of 'B' as different kind of symbol}}
}
namespace I {
namespace A1 { int i; }
namespace A2 = A1;
}
int f() {
return I::A2::i;
}
namespace J {
namespace A {
namespace B { void func (); }
}
namespace C = A;
using namespace C::B;
void g() {
func();
}
}
namespace K {
namespace KA { void func(); }
void f() {
namespace KB = KA;
KB::func();
}
template <class T> void g() {
namespace KC = KA;
KC::func();
}
template void g<int>();
template void g<long>();
void h() {
KB::func(); // expected-error {{undeclared identifier 'KB'}}
KC::func(); // expected-error {{undeclared identifier 'KC'}}
}
}
namespace {
class C1;
}
namespace {
class C1;
}
C1 *pc1 = 0;
namespace N {
namespace {
class C2;
}
}
namespace N {
namespace {
class C2;
}
}
N::C2 *pc2 = 0;
// PR6341
namespace A = N;
namespace N { }
namespace A = N;
A::X nx;
namespace PR7014 {
namespace X
{
namespace Y {}
}
using namespace X;
namespace Y = X::Y;
}