| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s |
| 3 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s |
| 4 | template<typename T, typename U> |
| 5 | struct is_same { |
| 6 | static const bool value = false; |
| 7 | }; |
| 8 | |
| 9 | template<typename T> |
| 10 | struct is_same<T, T> { |
| 11 | static const bool value = true; |
| 12 | }; |
| 13 | |
| 14 | template<typename MetaFun, typename T1, typename T2> |
| 15 | struct metafun_apply2 { |
| 16 | typedef typename MetaFun::template apply<T1, T2> inner; |
| 17 | typedef typename inner::type type; |
| 18 | }; |
| 19 | |
| 20 | template<typename T, typename U> struct pair; |
| 21 | |
| 22 | struct make_pair { |
| 23 | template<typename T1, typename T2> |
| 24 | struct apply { |
| 25 | typedef pair<T1, T2> type; |
| 26 | }; |
| 27 | }; |
| 28 | |
| 29 | int a0[is_same<metafun_apply2<make_pair, int, float>::type, |
| 30 | pair<int, float> >::value? 1 : -1]; |
| 31 | int a1[is_same< |
| 32 | typename make_pair::template apply<int, float>, |
| 33 | #if __cplusplus <= 199711L // C++03 and earlier modes |
| 34 | // expected-warning@-2 {{'template' keyword outside of a template}} |
| 35 | // expected-warning@-3 {{'typename' occurs outside of a template}} |
| 36 | #endif |
| 37 | make_pair::apply<int, float> |
| 38 | >::value? 1 : -1]; |
| 39 | |
| 40 | template<typename MetaFun> |
| 41 | struct swap_and_apply2 { |
| 42 | template<typename T1, typename T2> |
| 43 | struct apply { |
| 44 | typedef typename MetaFun::template apply<T2, T1> new_metafun; |
| 45 | typedef typename new_metafun::type type; |
| 46 | }; |
| 47 | }; |
| 48 | |
| 49 | int a2[is_same<swap_and_apply2<make_pair>::apply<int, float>::type, |
| 50 | pair<float, int> >::value? 1 : -1]; |
| 51 | |
| 52 | template<typename MetaFun> |
| 53 | struct swap_and_apply2b { |
| 54 | template<typename T1, typename T2> |
| 55 | struct apply { |
| 56 | typedef typename MetaFun::template apply<T2, T1>::type type; |
| 57 | }; |
| 58 | }; |
| 59 | |
| 60 | int a3[is_same<swap_and_apply2b<make_pair>::apply<int, float>::type, |
| 61 | pair<float, int> >::value? 1 : -1]; |
| 62 | |
| 63 | template<typename T> |
| 64 | struct X0 { |
| 65 | template<typename U, typename V> |
| 66 | struct Inner; |
| 67 | |
| 68 | void f0(X0<T>::Inner<T*, T&>); // expected-note{{here}} |
| 69 | void f0(typename X0<T>::Inner<T*, T&>); // expected-error{{redecl}} |
| 70 | |
| 71 | void f1(X0<T>::Inner<T*, T&>); // expected-note{{here}} |
| 72 | void f1(typename X0<T>::template Inner<T*, T&>); // expected-error{{redecl}} |
| 73 | |
| 74 | void f2(typename X0<T>::Inner<T*, T&>::type); // expected-note{{here}} |
| 75 | void f2(typename X0<T>::template Inner<T*, T&>::type); // expected-error{{redecl}} |
| 76 | }; |
| 77 | |
| 78 | namespace PR6236 { |
| 79 | template<typename T, typename U> struct S { }; |
| 80 | |
| 81 | template<typename T> struct S<T, T> { |
| 82 | template<typename U> struct K { }; |
| 83 | |
| 84 | void f() { |
| 85 | typedef typename S<T, T>::template K<T> Foo; |
| 86 | } |
| 87 | }; |
| 88 | } |
| 89 | |
| 90 | namespace PR6268 { |
| 91 | template <typename T> |
| 92 | struct Outer { |
| 93 | template <typename U> |
| 94 | struct Inner {}; |
| 95 | |
| 96 | template <typename U> |
| 97 | typename Outer<T>::template Inner<U> |
| 98 | foo(typename Outer<T>::template Inner<U>); |
| 99 | }; |
| 100 | |
| 101 | template <typename T> |
| 102 | template <typename U> |
| 103 | typename Outer<T>::template Inner<U> |
| 104 | Outer<T>::foo(typename Outer<T>::template Inner<U>) { |
| 105 | return Inner<U>(); |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | namespace PR6463 { |
| 110 | struct B { typedef int type; }; // expected-note 2{{member found by ambiguous name lookup}} |
| 111 | struct C { typedef int type; }; // expected-note 2{{member found by ambiguous name lookup}} |
| 112 | |
| 113 | template<typename T> |
| 114 | struct A : B, C { |
| 115 | type& a(); // expected-error{{found in multiple base classes}} |
| 116 | int x; |
| 117 | }; |
| 118 | |
| 119 | // FIXME: Improve source location info here. |
| 120 | template<typename T> |
| 121 | typename A<T>::type& A<T>::a() { // expected-error{{found in multiple base classes}} |
| 122 | return x; |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | namespace PR7419 { |
| 127 | template <typename T> struct S { |
| 128 | typedef typename T::Y T2; |
| 129 | typedef typename T2::Z T3; |
| 130 | typedef typename T3::W T4; |
| 131 | T4 *f(); |
| 132 | |
| 133 | typedef typename T::template Y<int> TT2; |
| 134 | typedef typename TT2::template Z<float> TT3; |
| 135 | typedef typename TT3::template W<double> TT4; |
| 136 | TT4 g(); |
| 137 | }; |
| 138 | |
| 139 | template <typename T> typename T::Y::Z::W *S<T>::f() { } |
| 140 | template <typename T> typename T::template Y<int>::template Z<float>::template W<double> S<T>::g() { } |
| 141 | } |
| 142 | |
| 143 | namespace rdar8740998 { |
| 144 | template<typename T> |
| 145 | struct X : public T { |
| 146 | using T::iterator; // expected-note{{add 'typename' to treat this using declaration as a type}} \ |
| 147 | // expected-error{{dependent using declaration resolved to type without 'typename'}} |
| 148 | |
| 149 | void f() { |
| 150 | typename X<T>::iterator i; // expected-error{{typename specifier refers to a dependent using declaration for a value 'iterator' in 'X<T>'}} |
| 151 | } |
| 152 | }; |
| 153 | |
| 154 | struct HasIterator { |
| 155 | typedef int *iterator; // expected-note{{target of using declaration}} |
| 156 | }; |
| 157 | |
| 158 | void test_X(X<HasIterator> xi) { // expected-note{{in instantiation of template class}} |
| 159 | xi.f(); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | namespace rdar9068589 { |
| 164 | // From GCC PR c++/13950 |
| 165 | template <class T> struct Base {}; |
| 166 | template <class T> struct Derived: public Base<T> { |
| 167 | typename Derived::template Base<double>* p1; |
| 168 | }; |
| 169 | } |
| 170 | |