typename-specifier.cpp revision 9ab14541716928894821cf5d53d6b4c95ffdf3a3 
1// RUN: %clang_cc1 -fsyntax-only -verify %s
2namespace N {
3  struct A {
4    typedef int type;
5  };
6
7  struct B {
8  };
9
10  struct C {
11    struct type { };
12    int type; // expected-note 2{{referenced member 'type' is declared here}}
13  };
14}
15
16int i;
17
18typename N::A::type *ip1 = &i;
19typename N::B::type *ip2 = &i; // expected-error{{no type named 'type' in 'N::B'}}
20typename N::C::type *ip3 = &i; // expected-error{{typename specifier refers to non-type member 'type'}}
21
22void test(double d) {
23  typename N::A::type f(typename N::A::type(a)); // expected-warning{{parentheses were disambiguated as a function declarator}}
24  int five = f(5);
25
26  using namespace N;
27  for (typename A::type i = 0; i < 10; ++i)
28    five += 1;
29
30  const typename N::A::type f2(d);
31}
32
33namespace N {
34  template<typename T>
35  struct X {
36    typedef typename T::type type; // expected-error {{no type named 'type' in 'N::B'}} \
37    // expected-error {{no type named 'type' in 'B'}} \
38    // FIXME: location info for error above isn't very good \
39    // expected-error 2{{typename specifier refers to non-type member 'type'}} \
40    // expected-error{{type 'int' cannot be used prior to '::' because it has no members}}
41  };
42}
43
44N::X<N::A>::type *ip4 = &i;
45N::X<N::B>::type *ip5 = &i; // expected-note{{in instantiation of template class 'N::X<N::B>' requested here}}
46N::X<N::C>::type *ip6 = &i; // expected-note{{in instantiation of template class 'N::X<N::C>' requested here}}
47
48N::X<int>::type fail1; // expected-note{{in instantiation of template class 'N::X<int>' requested here}}
49
50template<typename T>
51struct Y {
52  typedef typename N::X<T>::type *type; // expected-note{{in instantiation of template class 'N::X<B>' requested here}} \
53  // expected-note{{in instantiation of template class 'N::X<C>' requested here}}
54};
55
56struct A {
57  typedef int type;
58};
59
60struct B {
61};
62
63struct C {
64  struct type { };
65  int type; // expected-note{{referenced member 'type' is declared here}}
66};
67
68::Y<A>::type ip7 = &i;
69::Y<B>::type ip8 = &i; // expected-note{{in instantiation of template class 'Y<B>' requested here}}
70::Y<C>::type ip9 = &i; // expected-note{{in instantiation of template class 'Y<C>' requested here}}
71