teak-llvm/clang/test/SemaTemplate/temp_class_spec.cpp
Douglas Gregor d6605dbbc0 Fix the problems with template argument deduction and array types for
real. It turns out that we need to actually move all of the qualifiers
up to the array type itself, then recanonicalize the deduced template
argument type.

llvm-svn: 76788
2009-07-22 21:30:48 +00:00

327 lines
9.7 KiB
C++

// RUN: clang-cc -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]; // expected-error{{partial ordering}} \
// expected-error{{negative}}
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_const4[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