| // RUN: %clang_cc1 -std=c++23 -triple x86_64-linux-gnu -ast-dump -verify -xc++ < %s | FileCheck %s |
| |
| using test1 = __type_pack_element<0, int>; |
| // CHECK: |-TypeAliasDecl 0x{{[0-9A-Fa-f]+}} <<stdin>:3:1, col:41> col:7 test1 '__type_pack_element<0, int>':'int' |
| // CHECK-NEXT: `-ElaboratedType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<0, int>' sugar |
| // CHECK-NEXT: `-TemplateSpecializationType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<0, int>' sugar alias __type_pack_element |
| // CHECK-NEXT: |-TemplateArgument expr |
| // CHECK-NEXT: | `-ConstantExpr 0x{{[0-9A-Fa-f]+}} <col:35> 'unsigned long' |
| // CHECK-NEXT: | |-value: Int 0 |
| // CHECK-NEXT: | `-ImplicitCastExpr 0x{{[0-9A-Fa-f]+}} <col:35> 'unsigned long' <IntegralCast> |
| // CHECK-NEXT: | `-IntegerLiteral 0x{{[0-9A-Fa-f]+}} <col:35> 'int' 0 |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType 0x{{[0-9A-Fa-f]+}} 'int' |
| // CHECK-NEXT: `-BuiltinType 0x{{[0-9A-Fa-f]+}} 'int' |
| |
| template<int N, class ...Ts> struct A { |
| using test2 = __type_pack_element<N, Ts...>; |
| // CHECK: |-TypeAliasDecl 0x{{[0-9A-Fa-f]+}} <line:17:3, col:45> col:9 test2 '__type_pack_element<N, Ts...>':'__type_pack_element<N, type-parameter-0-1...>' |
| // CHECK-NEXT: `-ElaboratedType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<N, Ts...>' sugar dependent |
| // CHECK-NEXT: `-TemplateSpecializationType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<N, Ts...>' sugar dependent alias __type_pack_element |
| // CHECK-NEXT: |-TemplateArgument expr |
| // CHECK-NEXT: | `-ImplicitCastExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'unsigned long' <IntegralCast> |
| // CHECK-NEXT: | `-DeclRefExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'int' NonTypeTemplateParm 0x{{[0-9A-Fa-f]+}} 'N' 'int' |
| // CHECK-NEXT: |-TemplateArgument type 'Ts...' |
| // CHECK-NEXT: | `-PackExpansionType 0x{{[0-9A-Fa-f]+}} 'Ts...' dependent |
| // CHECK-NEXT: | `-TemplateTypeParmType 0x{{[0-9A-Fa-f]+}} 'Ts' dependent contains_unexpanded_pack depth 0 index 1 pack |
| // CHECK-NEXT: | `-TemplateTypeParm 0x{{[0-9A-Fa-f]+}} 'Ts' |
| // CHECK-NEXT: `-TemplateSpecializationType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<N, type-parameter-0-1...>' dependent __type_pack_element |
| // CHECK-NEXT: |-TemplateArgument expr |
| // CHECK-NEXT: | `-ImplicitCastExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'unsigned long' <IntegralCast> |
| // CHECK-NEXT: | `-DeclRefExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'int' NonTypeTemplateParm 0x{{[0-9A-Fa-f]+}} 'N' 'int' |
| // CHECK-NEXT: `-TemplateArgument pack |
| // CHECK-NEXT: `-TemplateArgument type 'type-parameter-0-1...' |
| // CHECK-NEXT: `-PackExpansionType 0x{{[0-9A-Fa-f]+}} 'type-parameter-0-1...' dependent |
| // CHECK-NEXT: `-TemplateTypeParmType 0x{{[0-9A-Fa-f]+}} 'type-parameter-0-1' dependent contains_unexpanded_pack depth 0 index 1 pack |
| |
| using test3 = __type_pack_element<0, Ts...>; |
| // CHECK: |-TypeAliasDecl 0x{{[0-9A-Fa-f]+}} <line:37:3, col:45> col:9 test3 '__type_pack_element<0, Ts...>':'__type_pack_element<0, type-parameter-0-1...>' |
| // CHECK-NEXT: `-ElaboratedType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<0, Ts...>' sugar dependent |
| // CHECK-NEXT: `-TemplateSpecializationType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<0, Ts...>' sugar dependent alias __type_pack_element |
| // CHECK-NEXT: |-TemplateArgument expr |
| // CHECK-NEXT: | `-ConstantExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'unsigned long' |
| // CHECK-NEXT: | |-value: Int 0 |
| // CHECK-NEXT: | `-ImplicitCastExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'unsigned long' <IntegralCast> |
| // CHECK-NEXT: | `-IntegerLiteral 0x{{[0-9A-Fa-f]+}} <col:37> 'int' 0 |
| // CHECK-NEXT: |-TemplateArgument type 'Ts...' |
| // CHECK-NEXT: | `-PackExpansionType 0x{{[0-9A-Fa-f]+}} 'Ts...' dependent |
| // CHECK-NEXT: | `-TemplateTypeParmType 0x{{[0-9A-Fa-f]+}} 'Ts' dependent contains_unexpanded_pack depth 0 index 1 pack |
| // CHECK-NEXT: | `-TemplateTypeParm 0x{{[0-9A-Fa-f]+}} 'Ts' |
| // CHECK-NEXT: `-TemplateSpecializationType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<0, type-parameter-0-1...>' dependent __type_pack_element |
| // CHECK-NEXT: |-TemplateArgument integral 0 |
| // CHECK-NEXT: `-TemplateArgument pack |
| // CHECK-NEXT: `-TemplateArgument type 'type-parameter-0-1...' |
| // CHECK-NEXT: `-PackExpansionType 0x{{[0-9A-Fa-f]+}} 'type-parameter-0-1...' dependent |
| // CHECK-NEXT: `-TemplateTypeParmType 0x{{[0-9A-Fa-f]+}} 'type-parameter-0-1' dependent contains_unexpanded_pack depth 0 index 1 pack |
| |
| using test4 = __type_pack_element<N, int>; |
| // CHECK: `-TypeAliasDecl 0x{{[0-9A-Fa-f]+}} <line:57:3, col:43> col:9 test4 '__type_pack_element<N, int>' |
| // CHECK-NEXT: `-ElaboratedType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<N, int>' sugar dependent |
| // CHECK-NEXT: `-TemplateSpecializationType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<N, int>' sugar dependent alias __type_pack_element |
| // CHECK-NEXT: |-TemplateArgument expr |
| // CHECK-NEXT: | `-ImplicitCastExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'unsigned long' <IntegralCast> |
| // CHECK-NEXT: | `-DeclRefExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'int' NonTypeTemplateParm 0x{{[0-9A-Fa-f]+}} 'N' 'int' |
| // CHECK-NEXT: |-TemplateArgument type 'int' |
| // CHECK-NEXT: | `-BuiltinType 0x{{[0-9A-Fa-f]+}} 'int' |
| // CHECK-NEXT: `-TemplateSpecializationType 0x{{[0-9A-Fa-f]+}} '__type_pack_element<N, int>' dependent __type_pack_element |
| // CHECK-NEXT: |-TemplateArgument expr |
| // CHECK-NEXT: | `-ImplicitCastExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'unsigned long' <IntegralCast> |
| // CHECK-NEXT: | `-DeclRefExpr 0x{{[0-9A-Fa-f]+}} <col:37> 'int' NonTypeTemplateParm 0x{{[0-9A-Fa-f]+}} 'N' 'int' |
| // CHECK-NEXT: `-TemplateArgument pack |
| // CHECK-NEXT: `-TemplateArgument type 'int' |
| // CHECK-NEXT: `-BuiltinType 0x{{[0-9A-Fa-f]+}} 'int' |
| }; |
| |
| // expected-no-diagnostics |
| |
| template <class T, class S> struct B; |
| template <class T> struct B<T, __type_pack_element<sizeof(T), void, long>> {}; |
| template struct B<char, long>; |
| |
| template <class T, class S> struct C; |
| template <class T> struct C<T, __type_pack_element<0, T, short>> {}; |
| template struct C<int, int>; |
| |
| template <class T> struct D; |
| template <class T, class U> struct D<__type_pack_element<0, T, U>> {}; |
| template <class T, class U> struct D<__type_pack_element<0, U, T>> {}; |
| |
| template <class T> struct E; |
| template <class T> struct E<__type_pack_element<0, T>> {}; |
| template <class T, class U> struct E<__type_pack_element<0, T, U>> {}; |
