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Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/wtf/VectorTraits.h')
-rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/wtf/VectorTraits.h | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/VectorTraits.h b/src/3rdparty/javascriptcore/JavaScriptCore/wtf/VectorTraits.h deleted file mode 100644 index bf77878..0000000 --- a/src/3rdparty/javascriptcore/JavaScriptCore/wtf/VectorTraits.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - * - */ - -#ifndef WTF_VectorTraits_h -#define WTF_VectorTraits_h - -#include "OwnPtr.h" -#include "RefPtr.h" -#include "TypeTraits.h" -#include <utility> -#include <memory> - -using std::pair; - -namespace WTF { - - template<bool isPod, typename T> - struct VectorTraitsBase; - - template<typename T> - struct VectorTraitsBase<false, T> - { - static const bool needsDestruction = true; - static const bool needsInitialization = true; - static const bool canInitializeWithMemset = false; - static const bool canMoveWithMemcpy = false; - static const bool canCopyWithMemcpy = false; - static const bool canFillWithMemset = false; - static const bool canCompareWithMemcmp = false; - }; - - template<typename T> - struct VectorTraitsBase<true, T> - { - static const bool needsDestruction = false; - static const bool needsInitialization = false; - static const bool canInitializeWithMemset = false; - static const bool canMoveWithMemcpy = true; - static const bool canCopyWithMemcpy = true; - static const bool canFillWithMemset = sizeof(T) == sizeof(char); - static const bool canCompareWithMemcmp = true; - }; - - template<typename T> - struct VectorTraits : VectorTraitsBase<IsPod<T>::value, T> { }; - - struct SimpleClassVectorTraits - { - static const bool needsDestruction = true; - static const bool needsInitialization = true; - static const bool canInitializeWithMemset = true; - static const bool canMoveWithMemcpy = true; - static const bool canCopyWithMemcpy = false; - static const bool canFillWithMemset = false; - static const bool canCompareWithMemcmp = true; - }; - - // we know OwnPtr and RefPtr are simple enough that initializing to 0 and moving with memcpy - // (and then not destructing the original) will totally work - template<typename P> - struct VectorTraits<RefPtr<P> > : SimpleClassVectorTraits { }; - - template<typename P> - struct VectorTraits<OwnPtr<P> > : SimpleClassVectorTraits { }; - - template<typename P> - struct VectorTraits<std::auto_ptr<P> > : SimpleClassVectorTraits { }; - - template<typename First, typename Second> - struct VectorTraits<pair<First, Second> > - { - typedef VectorTraits<First> FirstTraits; - typedef VectorTraits<Second> SecondTraits; - - static const bool needsDestruction = FirstTraits::needsDestruction || SecondTraits::needsDestruction; - static const bool needsInitialization = FirstTraits::needsInitialization || SecondTraits::needsInitialization; - static const bool canInitializeWithMemset = FirstTraits::canInitializeWithMemset && SecondTraits::canInitializeWithMemset; - static const bool canMoveWithMemcpy = FirstTraits::canMoveWithMemcpy && SecondTraits::canMoveWithMemcpy; - static const bool canCopyWithMemcpy = FirstTraits::canCopyWithMemcpy && SecondTraits::canCopyWithMemcpy; - static const bool canFillWithMemset = false; - static const bool canCompareWithMemcmp = FirstTraits::canCompareWithMemcmp && SecondTraits::canCompareWithMemcmp; - }; - -} // namespace WTF - -using WTF::VectorTraits; -using WTF::SimpleClassVectorTraits; - -#endif // WTF_VectorTraits_h |