typename-specifier.cpp revision a5728872c7702ddd09537c95bc3cbd20e1f2fb09
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 'struct 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 'struct N::B'}} \
37    // expected-error {{no type named 'type' in 'struct 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 'struct N::X<struct N::B>' requested here}} \
46// expected-error{{no type named 'type' in}}
47N::X<N::C>::type *ip6 = &i; // expected-note{{in instantiation of template class 'struct N::X<struct N::C>' requested here}} \
48// expected-error{{no type named 'type' in}}
49
50N::X<int>::type fail1; // expected-note{{in instantiation of template class 'struct N::X<int>' requested here}} \
51// expected-error{{no type named 'type' in}}
52
53template<typename T>
54struct Y {
55  typedef typename N::X<T>::type *type; // expected-note{{in instantiation of template class 'struct N::X<struct B>' requested here}} \
56  // expected-note{{in instantiation of template class 'struct N::X<struct C>' requested here}}
57};
58
59struct A {
60  typedef int type;
61};
62
63struct B {
64};
65
66struct C {
67  struct type { };
68  int type; // expected-note{{referenced member 'type' is declared here}}
69};
70
71::Y<A>::type ip7 = &i;
72::Y<B>::type ip8 = &i; // expected-note{{in instantiation of template class 'struct Y<struct B>' requested here}} \
73// expected-error{{no type named 'type' in}}
74::Y<C>::type ip9 = &i; // expected-note{{in instantiation of template class 'struct Y<struct C>' requested here}} \
75// expected-error{{no type named 'type' in}}
76