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Side by Side Diff: Source/WTF/wtf/TypeTraits.cpp

Issue 14238015: Move Source/WTF/wtf to Source/wtf (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 8 months ago
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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_tr ue);
35 COMPILE_ASSERT(IsInteger<int>::value, WTF_IsInteger_int_true);
36 COMPILE_ASSERT(IsInteger<unsigned int>::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_po inter_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_dou ble_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 int>::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_tr ue);
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_tru e);
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_I sConvertibleToInteger_enum_true);
80 COMPILE_ASSERT(IsConvertibleToInteger<bool>::value, WTF_IsConvertibleToInteger_b ool_true);
81 COMPILE_ASSERT(IsConvertibleToInteger<char>::value, WTF_IsConvertibleToInteger_c har_true);
82 COMPILE_ASSERT(IsConvertibleToInteger<signed char>::value, WTF_IsConvertibleToIn teger_signed_char_true);
83 COMPILE_ASSERT(IsConvertibleToInteger<unsigned char>::value, WTF_IsConvertibleTo Integer_unsigned_char_true);
84 COMPILE_ASSERT(IsConvertibleToInteger<short>::value, WTF_IsConvertibleToInteger_ short_true);
85 COMPILE_ASSERT(IsConvertibleToInteger<unsigned short>::value, WTF_IsConvertibleT oInteger_unsigned_short_true);
86 COMPILE_ASSERT(IsConvertibleToInteger<int>::value, WTF_IsConvertibleToInteger_in t_true);
87 COMPILE_ASSERT(IsConvertibleToInteger<unsigned int>::value, WTF_IsConvertibleToI nteger_unsigned_int_true);
88 COMPILE_ASSERT(IsConvertibleToInteger<long>::value, WTF_IsConvertibleToInteger_l ong_true);
89 COMPILE_ASSERT(IsConvertibleToInteger<unsigned long>::value, WTF_IsConvertibleTo Integer_unsigned_long_true);
90 COMPILE_ASSERT(IsConvertibleToInteger<long long>::value, WTF_IsConvertibleToInte ger_long_long_true);
91 COMPILE_ASSERT(IsConvertibleToInteger<unsigned long long>::value, WTF_IsConverti bleToInteger_unsigned_long_long_true);
92 #if !COMPILER(MSVC) || defined(_NATIVE_WCHAR_T_DEFINED)
93 COMPILE_ASSERT(IsConvertibleToInteger<wchar_t>::value, WTF_IsConvertibleToIntege r_wchar_t_true);
94 #endif
95 COMPILE_ASSERT(IsConvertibleToInteger<double>::value, WTF_IsConvertibleToInteger _double_true);
96 COMPILE_ASSERT(IsConvertibleToInteger<long double>::value, WTF_IsConvertibleToIn teger_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_IsConvertibleToI nteger_const_char_pointer_false);
100 COMPILE_ASSERT(!IsConvertibleToInteger<volatile char*>::value, WTF_IsConvertible ToInteger_volatile_char_pointer_false);
101 COMPILE_ASSERT(!IsConvertibleToInteger<IsConvertibleToInteger<bool> >::value, WT F_IsConvertibleToInteger_struct_false);
102
103 COMPILE_ASSERT((IsSameType<bool, bool>::value), WTF_IsSameType_bool_true);
104 COMPILE_ASSERT((IsSameType<int*, int*>::value), WTF_IsSameType_int_pointer_true) ;
105 COMPILE_ASSERT((!IsSameType<int, int*>::value), WTF_IsSameType_int_int_pointer_f alse);
106 COMPILE_ASSERT((!IsSameType<bool, const bool>::value), WTF_IsSameType_const_chan ge_false);
107 COMPILE_ASSERT((!IsSameType<bool, volatile bool>::value), WTF_IsSameType_volatil e_change_false);
108
109 template <typename T>
110 class TestBaseClass {
111 };
112
113 class TestDerivedClass : public TestBaseClass<int> {
114 };
115
116 COMPILE_ASSERT((IsSubclass<TestDerivedClass, TestBaseClass<int> >::value), WTF_T est_IsSubclass_Derived_From_Base);
117 COMPILE_ASSERT((!IsSubclass<TestBaseClass<int>, TestDerivedClass>::value), WTF_T est_IsSubclass_Base_From_Derived);
118 COMPILE_ASSERT((IsSubclassOfTemplate<TestDerivedClass, TestBaseClass>::value), W TF_Test_IsSubclassOfTemplate_Base_From_Derived);
119 COMPILE_ASSERT((IsSameType<RemoveTemplate<TestBaseClass<int>, TestBaseClass>::Ty pe, int>::value), WTF_Test_RemoveTemplate);
120 COMPILE_ASSERT((IsSameType<RemoveTemplate<int, TestBaseClass>::Type, int>::value ), WTF_Test_RemoveTemplate_WithoutTemplate);
121
122
123 COMPILE_ASSERT((IsSameType<bool, RemoveConst<const bool>::Type>::value), WTF_tes t_RemoveConst_const_bool);
124 COMPILE_ASSERT((!IsSameType<bool, RemoveConst<volatile bool>::Type>::value), WTF _test_RemoveConst_volatile_bool);
125
126 COMPILE_ASSERT((IsSameType<bool, RemoveVolatile<bool>::Type>::value), WTF_test_R emoveVolatile_bool);
127 COMPILE_ASSERT((!IsSameType<bool, RemoveVolatile<const bool>::Type>::value), WTF _test_RemoveVolatile_const_bool);
128 COMPILE_ASSERT((IsSameType<bool, RemoveVolatile<volatile bool>::Type>::value), W TF_test_RemoveVolatile_volatile_bool);
129
130 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<bool>::Type>::value), WTF_t est_RemoveConstVolatile_bool);
131 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<const bool>::Type>::value), WTF_test_RemoveConstVolatile_const_bool);
132 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<volatile bool>::Type>::valu e), WTF_test_RemoveConstVolatile_volatile_bool);
133 COMPILE_ASSERT((IsSameType<bool, RemoveConstVolatile<const volatile bool>::Type> ::value), WTF_test_RemoveConstVolatile_const_volatile_bool);
134
135 COMPILE_ASSERT((IsSameType<int, RemovePointer<int>::Type>::value), WTF_Test_Remo vePointer_int);
136 COMPILE_ASSERT((IsSameType<int, RemovePointer<int*>::Type>::value), WTF_Test_Rem ovePointer_int_pointer);
137 COMPILE_ASSERT((!IsSameType<int, RemovePointer<int**>::Type>::value), WTF_Test_R emovePointer_int_pointer_pointer);
138
139 COMPILE_ASSERT((IsSameType<int, RemoveReference<int>::Type>::value), WTF_Test_Re moveReference_int);
140 COMPILE_ASSERT((IsSameType<int, RemoveReference<int&>::Type>::value), WTF_Test_R emoveReference_int_reference);
141
142
143 typedef int IntArray[];
144 typedef int IntArraySized[4];
145
146 COMPILE_ASSERT((IsArray<IntArray>::value), WTF_Test_IsArray_int_array);
147 COMPILE_ASSERT((IsArray<IntArraySized>::value), WTF_Test_IsArray_int_sized_array );
148
149 COMPILE_ASSERT((IsSameType<int, RemoveExtent<IntArray>::Type>::value), WTF_Test_ RemoveExtent_int_array);
150 COMPILE_ASSERT((IsSameType<int, RemoveExtent<IntArraySized>::Type>::value), WTF_ Test_RemoveReference_int_sized_array);
151
152 COMPILE_ASSERT((IsSameType<int*, DecayArray<IntArray>::Type>::value), WTF_Test_D ecayArray_int_array);
153 COMPILE_ASSERT((IsSameType<int*, DecayArray<IntArraySized>::Type>::value), WTF_T est_DecayArray_int_sized_array);
154
155 } // namespace WTF
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