clang/test/CXX/dcl.decl/dcl.meaning/p1.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 namespace PR8019 {
   4   struct x;
   5   template<typename T> struct x2;
   6   struct y {
   7     struct PR8019::x { int x; };  // expected-error{{non-friend class member 'x' cannot have a qualified name}}
   8
   9     struct inner;
  10     struct y::inner { }; // expected-error{{extra qualification on member 'inner'}}
  11
  12     template<typename T>
  13     struct PR8019::x2 { }; // expected-error{{non-friend class member 'x2' cannot have a qualified name}}
  14
  15     template<typename T>
  16     struct inner_template;
  17
  18     template<typename T>
  19     struct y::inner_template { }; // expected-error{{extra qualification on member 'inner_template'}}
  20   };
  21
  22 }
  23
  24 namespace NS {
  25   void foo();
  26   extern int bar;
  27   struct X;
  28   template<typename T> struct Y;
  29   template<typename T> void wibble(T);
  30   struct Z;
  31 }
  32 namespace NS {
  33   // Under DR482, these are all valid, except for forward-declaring a struct
  34   // with a nested-name-specifier.
  35   void NS::foo(); // expected-warning {{extra qualification}}
  36   extern int NS::bar; // expected-warning {{extra qualification}}
  37   struct NS::X; // expected-error {{forward declaration of struct cannot have a nested name specifier}} expected-warning {{extra qualification}}
  38   template<typename T> struct NS::Y; // expected-error {{forward declaration of struct cannot have a nested name specifier}} expected-warning {{extra qualification}}
  39   template<typename T> void NS::wibble(T); // expected-warning {{extra qualification}}
  40
  41   void NS::foo() {} // expected-warning{{extra qualification on member 'foo'}}
  42   int NS::bar; // expected-warning{{extra qualification on member 'bar'}}
  43   struct NS::X { }; // expected-warning{{extra qualification on member 'X'}}
  44   template<typename T> struct NS::Y { }; // expected-warning{{extra qualification on member 'Y'}}
  45   template<typename T> void NS::wibble(T) { } // expected-warning{{extra qualification on member 'wibble'}}
  46 }
  47
  48 struct ::{} a; // expected-error{{expected identifier}}
  49 struct NS::Z:: {} b; // expected-error{{expected identifier}}