1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 namespace 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
16 int i;
17
18 typename N::A::type *ip1 = &i; // expected-warning{{'typename' occurs outside of a template}}
19 typename N::B::type *ip2 = &i; // expected-error{{no type named 'type' in 'N::B'}} \
20 // expected-warning{{'typename' occurs outside of a template}}
21 typename N::C::type *ip3 = &i; // expected-error{{typename specifier refers to non-type member 'type'}} \
22 // expected-warning{{'typename' occurs outside of a template}}
23
test(double d)24 void test(double d) {
25 typename N::A::type f(typename N::A::type(a)); // expected-warning{{parentheses were disambiguated as a function declarator}} \
26 // expected-warning 2{{'typename' occurs outside of a template}}
27 int five = f(5);
28
29 using namespace N;
30 for (typename A::type i = 0; i < 10; ++i) // expected-warning{{'typename' occurs outside of a template}}
31 five += 1;
32
33 const typename N::A::type f2(d); // expected-warning{{'typename' occurs outside of a template}}
34 }
35
36 namespace N {
37 template<typename T>
38 struct X {
39 typedef typename T::type type; // expected-error {{no type named 'type' in 'N::B'}} \
40 // expected-error {{no type named 'type' in 'B'}} \
41 // FIXME: location info for error above isn't very good \
42 // expected-error 2{{typename specifier refers to non-type member 'type'}} \
43 // expected-error{{type 'int' cannot be used prior to '::' because it has no members}}
44 };
45 }
46
47 N::X<N::A>::type *ip4 = &i;
48 N::X<N::B>::type *ip5 = &i; // expected-note{{in instantiation of template class 'N::X<N::B>' requested here}}
49 N::X<N::C>::type *ip6 = &i; // expected-note{{in instantiation of template class 'N::X<N::C>' requested here}}
50
51 N::X<int>::type fail1; // expected-note{{in instantiation of template class 'N::X<int>' requested here}}
52
53 template<typename T>
54 struct Y {
55 typedef typename N::X<T>::type *type; // expected-note{{in instantiation of template class 'N::X<B>' requested here}} \
56 // expected-note{{in instantiation of template class 'N::X<C>' requested here}}
57 };
58
59 struct A {
60 typedef int type;
61 };
62
63 struct B {
64 };
65
66 struct 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 'Y<B>' requested here}}
73 ::Y<C>::type ip9 = &i; // expected-note{{in instantiation of template class 'Y<C>' requested here}}
74
75 template<typename T> struct D {
76 typedef typename T::foo foo; // expected-error {{type 'long' cannot be used prior to '::' because it has no members}}
77 typedef typename foo::bar bar;
78 };
79
80 D<long> struct_D; // expected-note {{in instantiation of template class 'D<long>' requested here}}
81
82 template<typename T> struct E {
83 typedef typename T::foo foo;
84 typedef typename foo::bar bar; // expected-error {{type 'foo' (aka 'double') cannot be used prior to '::' because it has no members}}
85 };
86
87 struct F {
88 typedef double foo;
89 };
90
91 E<F> struct_E; // expected-note {{in instantiation of template class 'E<F>' requested here}}
92
93 template<typename T> struct G {
94 typedef typename T::foo foo;
95 typedef typename foo::bar bar;
96 };
97
98 struct H {
99 struct foo {
100 typedef double bar;
101 };
102 };
103
104 G<H> struct_G;
105
106 namespace PR10925 {
107 template< int mydim, typename Traits >
108 class BasicGeometry
109 {
110 typedef int some_type_t;
111 };
112
113 template<class ctype, int mydim, int coorddim>
114 class MockGeometry : BasicGeometry<mydim, int>{
115 using typename BasicGeometry<mydim, int>::operator[]; // expected-error {{typename is allowed for identifiers only}}
116 };
117 }
118