1 // Test without serialization: 2 // RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown -ast-dump %s \ 3 // RUN: | FileCheck -strict-whitespace %s 4 // 5 // Test with serialization: 6 // RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown -emit-pch -o %t %s 7 // RUN: %clang_cc1 -x c++ -std=c++17 -triple x86_64-unknown-unknown -include-pch %t -ast-dump-all /dev/null \ 8 // RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \ 9 // RUN: | FileCheck --strict-whitespace %s 10 11 template <typename Ty> 12 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <{{.*}}:1, line:[[@LINE+2]]:10> col:6 a 13 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:20> col:20 referenced typename depth 0 index 0 Ty 14 void a(Ty); 15 16 template <typename... Ty> 17 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+2]]:13> col:6 b 18 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:23> col:23 referenced typename depth 0 index 0 ... Ty 19 void b(Ty...); 20 21 template <typename Ty, typename Uy> 22 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+3]]:14> col:6 c 23 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:20> col:20 referenced typename depth 0 index 0 Ty 24 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <col:24, col:33> col:33 referenced typename depth 0 index 1 Uy 25 void c(Ty, Uy); 26 27 template <> 28 void c<float, int>(float, int); 29 // CHECK: FunctionDecl 0x{{[^ ]*}} prev 0x{{[^ ]*}} <line:[[@LINE-2]]:1, line:[[@LINE-1]]:30> col:6 c 'void (float, int)' 30 // CHECK: TemplateArgument type 'float' 31 // CHECK: TemplateArgument type 'int' 32 33 template <typename Ty, template<typename> typename Uy> 34 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+4]]:18> col:6 d 35 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:20> col:20 referenced typename depth 0 index 0 Ty 36 // CHECK-NEXT: TemplateTemplateParmDecl 0x{{[^ ]*}} <col:24, col:52> col:52 depth 0 index 1 Uy 37 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <col:33> col:41 typename depth 1 index 0 38 void d(Ty, Uy<Ty>); 39 40 template <class Ty> 41 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+2]]:10> col:6 e 42 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:17> col:17 referenced class depth 0 index 0 Ty 43 void e(Ty); 44 45 template <int N> 46 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+2]]:17> col:6 f 47 // CHECK-NEXT: NonTypeTemplateParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:15> col:15 referenced 'int' depth 0 index 0 N 48 void f(int i = N); 49 50 template <typename Ty = int> 51 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+3]]:10> col:6 g 52 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:25> col:20 referenced typename depth 0 index 0 Ty 53 // CHECK-NEXT: TemplateArgument type 'int' 54 void g(Ty); 55 56 template <typename = void> 57 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+3]]:8> col:6 h 58 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:22> col:20 typename depth 0 index 0 59 // CHECK-NEXT: TemplateArgument type 'void' 60 void h(); 61 62 template <typename Ty> 63 // CHECK: ClassTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+3]]:11> col:8 R 64 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:20> col:20 typename depth 0 index 0 Ty 65 // CHECK: ClassTemplateSpecialization 0x{{[^ ]*}} 'R' 66 struct R {}; 67 68 template <> 69 // CHECK: ClassTemplateSpecializationDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+2]]:16> col:8 struct R definition 70 // CHECK: TemplateArgument type 'int' 71 struct R<int> {}; 72 73 template <typename Ty, class Uy> 74 // CHECK: ClassTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+3]]:11> col:8 S 75 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:20> col:20 typename depth 0 index 0 Ty 76 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <col:24, col:30> col:30 class depth 0 index 1 Uy 77 struct S {}; 78 79 template <typename Ty> 80 // CHECK: ClassTemplatePartialSpecializationDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+4]]:20> col:8 struct S definition 81 // CHECK: TemplateArgument type 'type-parameter-0-0' 82 // CHECK: TemplateArgument type 'int' 83 // CHECK: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-4]]:11, col:20> col:20 referenced typename depth 0 index 0 Ty 84 struct S<Ty, int> {}; 85 86 template <auto> 87 // CHECK: ClassTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+2]]:11> col:8 T 88 // CHECK-NEXT: NonTypeTemplateParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11> col:15 'auto' depth 0 index 0 89 struct T {}; 90 91 template <decltype(auto)> 92 // CHECK: ClassTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+2]]:11> col:8 U 93 // CHECK-NEXT: NonTypeTemplateParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:24> col:25 'decltype(auto)' depth 0 index 0 94 struct U {}; 95 96 template <typename Ty> 97 // CHECK: ClassTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+7]]:1> line:[[@LINE+2]]:8 V 98 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:20> col:20 typename depth 0 index 0 Ty 99 struct V { 100 template <typename Uy> 101 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:3, line:[[@LINE+2]]:10> col:8 f 102 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:13, col:22> col:22 typename depth 1 index 0 Uy 103 void f(); 104 }; 105 106 template <typename Ty> 107 template <typename Uy> 108 // CHECK: FunctionTemplateDecl 0x{{[^ ]*}} parent 0x{{[^ ]*}} prev 0x{{[^ ]*}} <line:[[@LINE-1]]:1, line:[[@LINE+2]]:18> col:13 f 109 // CHECK-NEXT: TemplateTypeParmDecl 0x{{[^ ]*}} <line:[[@LINE-2]]:11, col:20> col:20 typename depth 1 index 0 Uy 110 void V<Ty>::f() {} 111 112 namespace PR55886 { 113 template <class T> struct C { 114 template <class U> using type1 = U(T); 115 }; 116 using type2 = typename C<int>::type1<void>; 117 // CHECK: TypeAliasDecl 0x{{[^ ]*}} <line:[[@LINE-1]]:1, col:42> col:7 type2 'typename C<int>::type1<void>':'void (int)' 118 // CHECK-NEXT: ElaboratedType 0x{{[^ ]*}} 'typename C<int>::type1<void>' sugar 119 // CHECK-NEXT: TemplateSpecializationType 0x{{[^ ]*}} 'type1<void>' sugar alias type1 120 // CHECK-NEXT: TemplateArgument type 'void' 121 // CHECK-NEXT: BuiltinType 0x{{[^ ]*}} 'void' 122 // CHECK-NEXT: FunctionProtoType 0x{{[^ ]*}} 'void (int)' cdecl 123 // CHECK-NEXT: SubstTemplateTypeParmType 0x{{[^ ]*}} 'void' sugar 124 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'U' dependent depth 0 index 0 125 // CHECK-NEXT: TemplateTypeParm 0x{{[^ ]*}} 'U' 126 // CHECK-NEXT: BuiltinType 0x{{[^ ]*}} 'void' 127 // CHECK-NEXT: SubstTemplateTypeParmType 0x{{[^ ]*}} 'int' sugar 128 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'T' dependent depth 0 index 0 129 } // namespace PR55886 130 131 namespace PR56099 { 132 template <typename... As> struct Y; 133 template <typename... Bs> using Z = Y<Bs...>; 134 template <typename... Cs> struct foo { 135 template <typename... Ds> using bind = Z<Ds..., Cs...>; 136 }; 137 using t1 = foo<int, short>::bind<char, float>; 138 // CHECK: TemplateSpecializationType 0x{{[^ ]*}} 'Y<char, float, int, short>' sugar Y 139 // CHECK: SubstTemplateTypeParmType 0x{{[^ ]*}} 'char' sugar 140 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'Bs' dependent contains_unexpanded_pack depth 0 index 0 pack 141 // CHECK: SubstTemplateTypeParmType 0x{{[^ ]*}} 'float' sugar 142 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'Bs' dependent contains_unexpanded_pack depth 0 index 0 pack 143 // CHECK: SubstTemplateTypeParmType 0x{{[^ ]*}} 'int' sugar 144 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'Bs' dependent contains_unexpanded_pack depth 0 index 0 pack 145 // CHECK: SubstTemplateTypeParmType 0x{{[^ ]*}} 'short' sugar 146 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'Bs' dependent contains_unexpanded_pack depth 0 index 0 pack 147 148 template <typename... T> struct D { 149 template <typename... U> using B = int(int (*...p)(T, U)); 150 }; 151 using t2 = D<float, char>::B<int, short>; 152 // CHECK: TemplateSpecializationType 0x{{[^ ]*}} 'B<int, short>' sugar alias B 153 // CHECK: FunctionProtoType 0x{{[^ ]*}} 'int (int (*)(float, int), int (*)(char, short))' cdecl 154 // CHECK: FunctionProtoType 0x{{[^ ]*}} 'int (float, int)' cdecl 155 // CHECK: SubstTemplateTypeParmType 0x{{[^ ]*}} 'float' sugar 156 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'T' dependent contains_unexpanded_pack depth 0 index 0 pack 157 // CHECK: SubstTemplateTypeParmType 0x{{[^ ]*}} 'int' sugar 158 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'U' dependent contains_unexpanded_pack depth 0 index 0 pack 159 // CHECK: FunctionProtoType 0x{{[^ ]*}} 'int (char, short)' cdecl 160 // CHECK: SubstTemplateTypeParmType 0x{{[^ ]*}} 'char' sugar 161 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'T' dependent contains_unexpanded_pack depth 0 index 0 pack 162 // CHECK: SubstTemplateTypeParmType 0x{{[^ ]*}} 'short' sugar 163 // CHECK-NEXT: TemplateTypeParmType 0x{{[^ ]*}} 'U' dependent contains_unexpanded_pack depth 0 index 0 pack 164 } // namespace PR56099 165