1 /* 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 3 * Copyright (C) 2009, 2010 Google Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22 #include "config.h" 23 #include "TypeTraits.h" 24 25 #include "Assertions.h" 26 27 namespace WTF { 28 29 COMPILE_ASSERT(IsInteger<bool>::value, WTF_IsInteger_bool_true); 30 COMPILE_ASSERT(IsInteger<char>::value, WTF_IsInteger_char_true); 31 COMPILE_ASSERT(IsInteger<signed char>::value, WTF_IsInteger_signed_char_true); 32 COMPILE_ASSERT(IsInteger<unsigned char>::value, WTF_IsInteger_unsigned_char_true); 33 COMPILE_ASSERT(IsInteger<short>::value, WTF_IsInteger_short_true); 34 COMPILE_ASSERT(IsInteger<unsigned short>::value, WTF_IsInteger_unsigned_short_true); 35 COMPILE_ASSERT(IsInteger<int>::value, WTF_IsInteger_int_true); 36 COMPILE_ASSERT(IsInteger<unsigned>::value, WTF_IsInteger_unsigned_int_true); 37 COMPILE_ASSERT(IsInteger<long>::value, WTF_IsInteger_long_true); 38 COMPILE_ASSERT(IsInteger<unsigned long>::value, WTF_IsInteger_unsigned_long_true); 39 COMPILE_ASSERT(IsInteger<long long>::value, WTF_IsInteger_long_long_true); 40 COMPILE_ASSERT(IsInteger<unsigned long long>::value, WTF_IsInteger_unsigned_long_long_true); 41 #if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED) 42 COMPILE_ASSERT(IsInteger<wchar_t>::value, WTF_IsInteger_wchar_t_true); 43 #endif 44 COMPILE_ASSERT(!IsInteger<char*>::value, WTF_IsInteger_char_pointer_false); 45 COMPILE_ASSERT(!IsInteger<const char*>::value, WTF_IsInteger_const_char_pointer_false); 46 COMPILE_ASSERT(!IsInteger<volatile char*>::value, WTF_IsInteger_volatile_char_pointer_false); 47 COMPILE_ASSERT(!IsInteger<double>::value, WTF_IsInteger_double_false); 48 COMPILE_ASSERT(!IsInteger<float>::value, WTF_IsInteger_float_false); 49 50 COMPILE_ASSERT(IsFloatingPoint<float>::value, WTF_IsFloatingPoint_float_true); 51 COMPILE_ASSERT(IsFloatingPoint<double>::value, WTF_IsFloatingPoint_double_true); 52 COMPILE_ASSERT(IsFloatingPoint<long double>::value, WTF_IsFloatingPoint_long_double_true); 53 COMPILE_ASSERT(!IsFloatingPoint<int>::value, WTF_IsFloatingPoint_int_false); 54 55 COMPILE_ASSERT(IsPod<bool>::value, WTF_IsPod_bool_true); 56 COMPILE_ASSERT(IsPod<char>::value, WTF_IsPod_char_true); 57 COMPILE_ASSERT(IsPod<signed char>::value, WTF_IsPod_signed_char_true); 58 COMPILE_ASSERT(IsPod<unsigned char>::value, WTF_IsPod_unsigned_char_true); 59 COMPILE_ASSERT(IsPod<short>::value, WTF_IsPod_short_true); 60 COMPILE_ASSERT(IsPod<unsigned short>::value, WTF_IsPod_unsigned_short_true); 61 COMPILE_ASSERT(IsPod<int>::value, WTF_IsPod_int_true); 62 COMPILE_ASSERT(IsPod<unsigned>::value, WTF_IsPod_unsigned_int_true); 63 COMPILE_ASSERT(IsPod<long>::value, WTF_IsPod_long_true); 64 COMPILE_ASSERT(IsPod<unsigned long>::value, WTF_IsPod_unsigned_long_true); 65 COMPILE_ASSERT(IsPod<long long>::value, WTF_IsPod_long_long_true); 66 COMPILE_ASSERT(IsPod<unsigned long long>::value, WTF_IsPod_unsigned_long_long_true); 67 #if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED) 68 COMPILE_ASSERT(IsPod<wchar_t>::value, WTF_IsPod_wchar_t_true); 69 #endif 70 COMPILE_ASSERT(IsPod<char*>::value, WTF_IsPod_char_pointer_true); 71 COMPILE_ASSERT(IsPod<const char*>::value, WTF_IsPod_const_char_pointer_true); 72 COMPILE_ASSERT(IsPod<volatile char*>::value, WTF_IsPod_volatile_char_pointer_true); 73 COMPILE_ASSERT(IsPod<double>::value, WTF_IsPod_double_true); 74 COMPILE_ASSERT(IsPod<long double>::value, WTF_IsPod_long_double_true); 75 COMPILE_ASSERT(IsPod<float>::value, WTF_IsPod_float_true); 76 COMPILE_ASSERT(!IsPod<IsPod<bool> >::value, WTF_IsPod_struct_false); 77 78 enum IsConvertibleToIntegerCheck { }; 79 COMPILE_ASSERT(IsConvertibleToInteger<IsConvertibleToIntegerCheck>::value, WTF_IsConvertibleToInteger_enum_true); 80 COMPILE_ASSERT(IsConvertibleToInteger<bool>::value, WTF_IsConvertibleToInteger_bool_true); 81 COMPILE_ASSERT(IsConvertibleToInteger<char>::value, WTF_IsConvertibleToInteger_char_true); 82 COMPILE_ASSERT(IsConvertibleToInteger<signed char>::value, WTF_IsConvertibleToInteger_signed_char_true); 83 COMPILE_ASSERT(IsConvertibleToInteger<unsigned char>::value, WTF_IsConvertibleToInteger_unsigned_char_true); 84 COMPILE_ASSERT(IsConvertibleToInteger<short>::value, WTF_IsConvertibleToInteger_short_true); 85 COMPILE_ASSERT(IsConvertibleToInteger<unsigned short>::value, WTF_IsConvertibleToInteger_unsigned_short_true); 86 COMPILE_ASSERT(IsConvertibleToInteger<int>::value, WTF_IsConvertibleToInteger_int_true); 87 COMPILE_ASSERT(IsConvertibleToInteger<unsigned>::value, WTF_IsConvertibleToInteger_unsigned_int_true); 88 COMPILE_ASSERT(IsConvertibleToInteger<long>::value, WTF_IsConvertibleToInteger_long_true); 89 COMPILE_ASSERT(IsConvertibleToInteger<unsigned long>::value, WTF_IsConvertibleToInteger_unsigned_long_true); 90 COMPILE_ASSERT(IsConvertibleToInteger<long long>::value, WTF_IsConvertibleToInteger_long_long_true); 91 COMPILE_ASSERT(IsConvertibleToInteger<unsigned long long>::value, WTF_IsConvertibleToInteger_unsigned_long_long_true); 92 #if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED) 93 COMPILE_ASSERT(IsConvertibleToInteger<wchar_t>::value, WTF_IsConvertibleToInteger_wchar_t_true); 94 #endif 95 COMPILE_ASSERT(IsConvertibleToInteger<double>::value, WTF_IsConvertibleToInteger_double_true); 96 COMPILE_ASSERT(IsConvertibleToInteger<long double>::value, WTF_IsConvertibleToInteger_long_double_true); 97 COMPILE_ASSERT(IsConvertibleToInteger<float>::value, WTF_IsConvertibleToInteger_float_true); 98 COMPILE_ASSERT(!IsConvertibleToInteger<char*>::value, WTF_IsConvertibleToInteger_char_pointer_false); 99 COMPILE_ASSERT(!IsConvertibleToInteger<const char*>::value, WTF_IsConvertibleToInteger_const_char_pointer_false); 100 COMPILE_ASSERT(!IsConvertibleToInteger<volatile char*>::value, WTF_IsConvertibleToInteger_volatile_char_pointer_false); 101 COMPILE_ASSERT(!IsConvertibleToInteger<IsConvertibleToInteger<bool> >::value, WTF_IsConvertibleToInteger_struct_false); 102 103 COMPILE_ASSERT((IsPointerConvertible<int, int>::Value), WTF_IsPointerConvertible_same_type_true); 104 COMPILE_ASSERT((!IsPointerConvertible<int, unsigned>::Value), WTF_IsPointerConvertible_int_to_unsigned_false); 105 COMPILE_ASSERT((IsPointerConvertible<int, const int>::Value), WTF_IsPointerConvertible_int_to_const_int_true); 106 COMPILE_ASSERT((!IsPointerConvertible<const int, int>::Value), WTF_IsPointerConvertible_const_int_to_int_false); 107 COMPILE_ASSERT((IsPointerConvertible<int, volatile int>::Value), WTF_IsPointerConvertible_int_to_volatile_int_true); 108 109 COMPILE_ASSERT((IsSameType<bool, bool>::value), WTF_IsSameType_bool_true); 110 COMPILE_ASSERT((IsSameType<int*, int*>::value), WTF_IsSameType_int_pointer_true); 111 COMPILE_ASSERT((!IsSameType<int, int*>::value), WTF_IsSameType_int_int_pointer_false); 112 COMPILE_ASSERT((!IsSameType<bool, const bool>::value), WTF_IsSameType_const_change_false); 113 COMPILE_ASSERT((!IsSameType<bool, volatile bool>::value), WTF_IsSameType_volatile_change_false); 114 115 template <typename T> 116 class TestBaseClass { 117 }; 118 119 class TestDerivedClass : public TestBaseClass<int> { 120 }; 121 122 COMPILE_ASSERT((IsSubclass<TestDerivedClass, TestBaseClass<int> >::value), WTF_Test_IsSubclass_Derived_From_Base); 123 COMPILE_ASSERT((!IsSubclass<TestBaseClass<int>, TestDerivedClass>::value), WTF_Test_IsSubclass_Base_From_Derived); 124 COMPILE_ASSERT((IsSubclassOfTemplate<TestDerivedClass, TestBaseClass>::value), WTF_Test_IsSubclassOfTemplate_Base_From_Derived); 125 COMPILE_ASSERT((IsSameType<RemoveTemplate<TestBaseClass<int>, TestBaseClass>::Type, int>::value), WTF_Test_RemoveTemplate); 126 COMPILE_ASSERT((IsSameType<RemoveTemplate<int, TestBaseClass>::Type, int>::value), WTF_Test_RemoveTemplate_WithoutTemplate); 127 COMPILE_ASSERT((IsPointerConvertible<TestDerivedClass, TestBaseClass<int> >::Value), WTF_Test_IsPointerConvertible_Derived_To_Base); 128 COMPILE_ASSERT((!IsPointerConvertible<TestBaseClass<int>, TestDerivedClass>::Value), WTF_Test_IsPointerConvertible_Base_To_Derived); 129 130 COMPILE_ASSERT((IsSameType<bool, RemoveConst<const bool>::Type>::value), WTF_test_RemoveConst_const_bool); 131 COMPILE_ASSERT((!IsSameType<bool, RemoveConst<volatile bool>::Type>::value), WTF_test_RemoveConst_volatile_bool); 132 133 COMPILE_ASSERT((IsSameType<bool, RemoveVolatile<bool>::Type>::value), WTF_test_RemoveVolatile_bool); 134 COMPILE_ASSERT((!IsSameType<bool, RemoveVolatile<const bool>::Type>::value), WTF_test_RemoveVolatile_const_bool); 135 COMPILE_ASSERT((IsSameType<bool, RemoveVolatile<volatile bool>::Type>::value), WTF_test_RemoveVolatile_volatile_bool); 136 137 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<bool>::Type>::value), WTF_test_RemoveConstVolatile_bool); 138 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<const bool>::Type>::value), WTF_test_RemoveConstVolatile_const_bool); 139 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<volatile bool>::Type>::value), WTF_test_RemoveConstVolatile_volatile_bool); 140 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<const volatile bool>::Type>::value), WTF_test_RemoveConstVolatile_const_volatile_bool); 141 142 COMPILE_ASSERT((IsSameType<int, RemovePointer<int>::Type>::value), WTF_Test_RemovePointer_int); 143 COMPILE_ASSERT((IsSameType<int, RemovePointer<int*>::Type>::value), WTF_Test_RemovePointer_int_pointer); 144 COMPILE_ASSERT((!IsSameType<int, RemovePointer<int**>::Type>::value), WTF_Test_RemovePointer_int_pointer_pointer); 145 146 COMPILE_ASSERT((IsSameType<int, RemoveReference<int>::Type>::value), WTF_Test_RemoveReference_int); 147 COMPILE_ASSERT((IsSameType<int, RemoveReference<int&>::Type>::value), WTF_Test_RemoveReference_int_reference); 148 149 150 typedef int IntArray[]; 151 typedef int IntArraySized[4]; 152 153 COMPILE_ASSERT((IsArray<IntArray>::value), WTF_Test_IsArray_int_array); 154 COMPILE_ASSERT((IsArray<IntArraySized>::value), WTF_Test_IsArray_int_sized_array); 155 156 COMPILE_ASSERT((IsSameType<int, RemoveExtent<IntArray>::Type>::value), WTF_Test_RemoveExtent_int_array); 157 COMPILE_ASSERT((IsSameType<int, RemoveExtent<IntArraySized>::Type>::value), WTF_Test_RemoveReference_int_sized_array); 158 159 } // namespace WTF 160
