diff options
Diffstat (limited to 'clang/test/SemaTemplate/temp_class_spec.cpp')
| -rw-r--r-- | clang/test/SemaTemplate/temp_class_spec.cpp | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/temp_class_spec.cpp b/clang/test/SemaTemplate/temp_class_spec.cpp new file mode 100644 index 0000000..8a07fd7 --- /dev/null +++ b/clang/test/SemaTemplate/temp_class_spec.cpp @@ -0,0 +1,363 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s +template<typename T> +struct is_pointer { + static const bool value = false; +}; + +template<typename T> +struct is_pointer<T*> { + static const bool value = true; +}; + +template<typename T> +struct is_pointer<const T*> { + static const bool value = true; +}; + +int array0[is_pointer<int>::value? -1 : 1]; +int array1[is_pointer<int*>::value? 1 : -1]; +int array2[is_pointer<const int*>::value? 1 : -1]; + +template<typename T> +struct is_lvalue_reference { + static const bool value = false; +}; + +template<typename T> +struct is_lvalue_reference<T&> { + static const bool value = true; +}; + +int lvalue_ref0[is_lvalue_reference<int>::value? -1 : 1]; +int lvalue_ref1[is_lvalue_reference<const int&>::value? 1 : -1]; + +template<typename T> +struct is_const { + static const bool value = false; +}; + +template<typename T> +struct is_const<const T> { + static const bool value = true; +}; + +int is_const0[is_const<int>::value? -1 : 1]; +int is_const1[is_const<const int>::value? 1 : -1]; +int is_const2[is_const<const volatile int>::value? 1 : -1]; +int is_const3[is_const<const int [3]>::value? 1 : -1]; +int is_const4[is_const<const volatile int[3]>::value? 1 : -1]; +int is_const5[is_const<volatile int[3]>::value? -1 : 1]; + +template<typename T> +struct is_volatile { + static const bool value = false; +}; + +template<typename T> +struct is_volatile<volatile T> { + static const bool value = true; +}; + +int is_volatile0[is_volatile<int>::value? -1 : 1]; +int is_volatile1[is_volatile<volatile int>::value? 1 : -1]; +int is_volatile2[is_volatile<const volatile int>::value? 1 : -1]; +int is_volatile3[is_volatile<volatile char[3]>::value? 1 : -1]; + +template<typename T, typename U> +struct is_same { + static const bool value = false; +}; + +template<typename T> +struct is_same<T, T> { + static const bool value = true; +}; + +typedef int INT; +typedef INT* int_ptr; + +int is_same0[is_same<int, int>::value? 1 : -1]; +int is_same1[is_same<int, INT>::value? 1 : -1]; +int is_same2[is_same<const int, int>::value? -1 : 1]; +int is_same3[is_same<int_ptr, int>::value? -1 : 1]; + +template<typename T> +struct remove_reference { + typedef T type; +}; + +template<typename T> +struct remove_reference<T&> { + typedef T type; +}; + +int remove_ref0[is_same<remove_reference<int>::type, int>::value? 1 : -1]; +int remove_ref1[is_same<remove_reference<int&>::type, int>::value? 1 : -1]; + +template<typename T> +struct remove_const { + typedef T type; +}; + +template<typename T> +struct remove_const<const T> { + typedef T type; +}; + +int remove_const0[is_same<remove_const<const int>::type, int>::value? 1 : -1]; +int remove_const1[is_same<remove_const<const int[3]>::type, int[3]>::value? 1 : -1]; + +template<typename T> +struct is_incomplete_array { + static const bool value = false; +}; + +template<typename T> +struct is_incomplete_array<T[]> { + static const bool value = true; +}; + +int incomplete_array0[is_incomplete_array<int>::value ? -1 : 1]; +int incomplete_array1[is_incomplete_array<int[1]>::value ? -1 : 1]; +int incomplete_array2[is_incomplete_array<bool[]>::value ? 1 : -1]; +int incomplete_array3[is_incomplete_array<int[]>::value ? 1 : -1]; + +template<typename T> +struct is_array_with_4_elements { + static const bool value = false; +}; + +template<typename T> +struct is_array_with_4_elements<T[4]> { + static const bool value = true; +}; + +int array_with_4_elements0[is_array_with_4_elements<int[]>::value ? -1 : 1]; +int array_with_4_elements1[is_array_with_4_elements<int[1]>::value ? -1 : 1]; +int array_with_4_elements2[is_array_with_4_elements<int[4]>::value ? 1 : -1]; +int array_with_4_elements3[is_array_with_4_elements<int[4][2]>::value ? 1 : -1]; + +template<typename T> +struct get_array_size; + +template<typename T, unsigned N> +struct get_array_size<T[N]> { + static const unsigned value = N; +}; + +int array_size0[get_array_size<int[12]>::value == 12? 1 : -1]; + +template<typename T> +struct remove_extent { + typedef T type; +}; + +template<typename T> +struct remove_extent<T[]> { + typedef T type; +}; + +template<typename T, unsigned N> +struct remove_extent<T[N]> { + typedef T type; +}; + +int remove_extent0[is_same<remove_extent<int[][5]>::type, int[5]>::value? 1 : -1]; +int remove_extent1[is_same<remove_extent<const int[][5]>::type, const int[5]>::value? 1 : -1]; + +template<typename T> +struct is_unary_function { + static const bool value = false; +}; + +template<typename T, typename U> +struct is_unary_function<T (*)(U)> { + static const bool value = true; +}; + +int is_unary_function0[is_unary_function<int>::value ? -1 : 1]; +int is_unary_function1[is_unary_function<int (*)()>::value ? -1 : 1]; +int is_unary_function2[is_unary_function<int (*)(int, bool)>::value ? -1 : 1]; +int is_unary_function3[is_unary_function<int (*)(bool)>::value ? 1 : -1]; +int is_unary_function4[is_unary_function<int (*)(int)>::value ? 1 : -1]; + +template<typename T> +struct is_unary_function_with_same_return_type_as_argument_type { + static const bool value = false; +}; + +template<typename T> +struct is_unary_function_with_same_return_type_as_argument_type<T (*)(T)> { + static const bool value = true; +}; + +int is_unary_function5[is_unary_function_with_same_return_type_as_argument_type<int>::value ? -1 : 1]; +int is_unary_function6[is_unary_function_with_same_return_type_as_argument_type<int (*)()>::value ? -1 : 1]; +int is_unary_function7[is_unary_function_with_same_return_type_as_argument_type<int (*)(int, bool)>::value ? -1 : 1]; +int is_unary_function8[is_unary_function_with_same_return_type_as_argument_type<int (*)(bool)>::value ? -1 : 1]; +int is_unary_function9[is_unary_function_with_same_return_type_as_argument_type<int (*)(int)>::value ? 1 : -1]; +int is_unary_function10[is_unary_function_with_same_return_type_as_argument_type<int (*)(int, ...)>::value ? -1 : 1]; +int is_unary_function11[is_unary_function_with_same_return_type_as_argument_type<int (* const)(int)>::value ? -1 : 1]; + +template<typename T> +struct is_binary_function { + static const bool value = false; +}; + +template<typename R, typename T1, typename T2> +struct is_binary_function<R(T1, T2)> { + static const bool value = true; +}; + +int is_binary_function0[is_binary_function<int(float, double)>::value? 1 : -1]; + +template<typename T> +struct is_member_pointer { + static const bool value = false; +}; + +template<typename T, typename Class> +struct is_member_pointer<T Class::*> { + static const bool value = true; +}; + +struct X { }; + +int is_member_pointer0[is_member_pointer<int X::*>::value? 1 : -1]; +int is_member_pointer1[is_member_pointer<const int X::*>::value? 1 : -1]; +int is_member_pointer2[is_member_pointer<int (X::*)()>::value? 1 : -1]; +int is_member_pointer3[is_member_pointer<int (X::*)(int) const>::value? 1 : -1]; +int is_member_pointer4[is_member_pointer<int (X::**)(int) const>::value? -1 : 1]; +int is_member_pointer5[is_member_pointer<int>::value? -1 : 1]; + +template<typename T> +struct is_member_function_pointer { + static const bool value = false; +}; + +template<typename T, typename Class> +struct is_member_function_pointer<T (Class::*)()> { + static const bool value = true; +}; + +template<typename T, typename Class> +struct is_member_function_pointer<T (Class::*)() const> { + static const bool value = true; +}; + +template<typename T, typename Class> +struct is_member_function_pointer<T (Class::*)() volatile> { + static const bool value = true; +}; + +template<typename T, typename Class> +struct is_member_function_pointer<T (Class::*)() const volatile> { + static const bool value = true; +}; + +template<typename T, typename Class, typename A1> +struct is_member_function_pointer<T (Class::*)(A1)> { + static const bool value = true; +}; + +template<typename T, typename Class, typename A1> +struct is_member_function_pointer<T (Class::*)(A1) const> { + static const bool value = true; +}; + +template<typename T, typename Class, typename A1> +struct is_member_function_pointer<T (Class::*)(A1) volatile> { + static const bool value = true; +}; + +template<typename T, typename Class, typename A1> +struct is_member_function_pointer<T (Class::*)(A1) const volatile> { + static const bool value = true; +}; + +int is_member_function_pointer0[ + is_member_function_pointer<int X::*>::value? -1 : 1]; +int is_member_function_pointer1[ + is_member_function_pointer<int (X::*)()>::value? 1 : -1]; +int is_member_function_pointer2[ + is_member_function_pointer<X (X::*)(X&)>::value? 1 : -1]; +int is_member_function_pointer3[ + is_member_function_pointer<int (X::*)() const>::value? 1 : -1]; +int is_member_function_pointer4[ + is_member_function_pointer<int (X::*)(float) const>::value? 1 : -1]; + +// Test substitution of non-dependent arguments back into the template +// argument list of the class template partial specialization. +template<typename T, typename ValueType = T> +struct is_nested_value_type_identity { + static const bool value = false; +}; + +template<typename T> +struct is_nested_value_type_identity<T, typename T::value_type> { + static const bool value = true; +}; + +template<typename T> +struct HasValueType { + typedef T value_type; +}; + +struct HasIdentityValueType { + typedef HasIdentityValueType value_type; +}; + +struct NoValueType { }; + +int is_nested_value_type_identity0[ + is_nested_value_type_identity<HasValueType<int> >::value? -1 : 1]; +int is_nested_value_type_identity1[ + is_nested_value_type_identity<HasIdentityValueType>::value? 1 : -1]; +int is_nested_value_type_identity2[ + is_nested_value_type_identity<NoValueType>::value? -1 : 1]; + + +// C++ [temp.class.spec]p4: +template<class T1, class T2, int I> class A { }; //#1 +template<class T, int I> class A<T, T*, I> { }; //#2 +template<class T1, class T2, int I> class A<T1*, T2, I> { }; //#3 +template<class T> class A<int, T*, 5> { }; //#4 +template<class T1, class T2, int I> class A<T1, T2*, I> { }; //#5 + +// Redefinition of class template partial specializations +template<typename T, T N, typename U> class A0; + +template<typename T, T N> class A0<T, N, int> { }; // expected-note{{here}} +template<typename T, T N> class A0<T, N, int>; +template<typename T, T N> class A0<T, N, int> { }; // expected-error{{redef}} + +namespace PR6025 { + template< int N > struct A; + + namespace N + { + template< typename F > + struct B; + } + + template< typename Protect, typename Second > + struct C; + + template <class T> + struct C< T, A< N::B<T>::value > > + { + }; +} + +namespace PR6181 { + template <class T> + class a; + + class s; + + template <class U> + class a<s> // expected-error{{partial specialization of 'a' does not use any of its template parameters}} + { + }; + +} |