mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
/*
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* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
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* Copyright (C) 2004-2020 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*
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*/
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#include "config.h"
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#include "DateInstance.h"
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#include "JSCInlines.h"
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#include "JSDateMath.h"
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namespace JSC {
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const ClassInfo DateInstance::s_info = {"Date", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(DateInstance)};
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DateInstance::DateInstance(VM& vm, Structure* structure)
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: Base(vm, structure)
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{
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}
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void DateInstance::finishCreation(VM& vm)
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{
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Base::finishCreation(vm);
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ASSERT(inherits(vm, info()));
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}
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void DateInstance::finishCreation(VM& vm, double time)
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{
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Base::finishCreation(vm);
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ASSERT(inherits(vm, info()));
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m_internalNumber = timeClip(time);
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}
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String DateInstance::toStringName(const JSObject*, JSGlobalObject*)
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{
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return "Date"_s;
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}
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const GregorianDateTime* DateInstance::calculateGregorianDateTime(DateCache& cache) const
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{
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double milli = internalNumber();
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if (std::isnan(milli))
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return nullptr;
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if (!m_data)
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m_data = cache.cachedDateInstanceData(milli);
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if (m_data->m_gregorianDateTimeCachedForMS != milli) {
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cache.msToGregorianDateTime(milli, WTF::LocalTime, m_data->m_cachedGregorianDateTime);
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m_data->m_gregorianDateTimeCachedForMS = milli;
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}
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return &m_data->m_cachedGregorianDateTime;
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}
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const GregorianDateTime* DateInstance::calculateGregorianDateTimeUTC(DateCache& cache) const
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{
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double milli = internalNumber();
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if (std::isnan(milli))
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return nullptr;
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if (!m_data)
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m_data = cache.cachedDateInstanceData(milli);
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if (m_data->m_gregorianDateTimeUTCCachedForMS != milli) {
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cache.msToGregorianDateTime(milli, WTF::UTCTime, m_data->m_cachedGregorianDateTimeUTC);
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m_data->m_gregorianDateTimeUTCCachedForMS = milli;
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}
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return &m_data->m_cachedGregorianDateTimeUTC;
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}
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} // namespace JSC
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