mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
97 lines
3.4 KiB
C++
97 lines
3.4 KiB
C++
/*
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* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
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* Copyright (C) 2008-2020 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 USA
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*
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*/
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#pragma once
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#include "JSObject.h"
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namespace JSC {
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class DateInstance final : public JSNonFinalObject {
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public:
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using Base = JSNonFinalObject;
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static constexpr bool needsDestruction = true;
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static void destroy(JSCell* cell)
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{
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static_cast<DateInstance*>(cell)->DateInstance::~DateInstance();
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}
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template<typename CellType, SubspaceAccess mode>
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static IsoSubspace* subspaceFor(VM& vm)
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{
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return &vm.dateInstanceSpace;
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}
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static DateInstance* create(VM& vm, Structure* structure, double date)
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{
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DateInstance* instance = new (NotNull, allocateCell<DateInstance>(vm.heap)) DateInstance(vm, structure);
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instance->finishCreation(vm, date);
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return instance;
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}
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static DateInstance* create(VM& vm, Structure* structure)
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{
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DateInstance* instance = new (NotNull, allocateCell<DateInstance>(vm.heap)) DateInstance(vm, structure);
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instance->finishCreation(vm);
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return instance;
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}
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static String toStringName(const JSObject*, JSGlobalObject*);
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double internalNumber() const { return m_internalNumber; }
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void setInternalNumber(double value) { m_internalNumber = value; }
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DECLARE_EXPORT_INFO;
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const GregorianDateTime* gregorianDateTime(DateCache& cache) const
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{
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if (m_data && m_data->m_gregorianDateTimeCachedForMS == internalNumber())
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return &m_data->m_cachedGregorianDateTime;
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return calculateGregorianDateTime(cache);
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}
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const GregorianDateTime* gregorianDateTimeUTC(DateCache& cache) const
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{
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if (m_data && m_data->m_gregorianDateTimeUTCCachedForMS == internalNumber())
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return &m_data->m_cachedGregorianDateTimeUTC;
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return calculateGregorianDateTimeUTC(cache);
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}
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static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
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{
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return Structure::create(vm, globalObject, prototype, TypeInfo(JSDateType, StructureFlags), info());
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}
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static ptrdiff_t offsetOfInternalNumber() { return OBJECT_OFFSETOF(DateInstance, m_internalNumber); }
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static ptrdiff_t offsetOfData() { return OBJECT_OFFSETOF(DateInstance, m_data); }
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private:
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JS_EXPORT_PRIVATE DateInstance(VM&, Structure*);
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void finishCreation(VM&);
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JS_EXPORT_PRIVATE void finishCreation(VM&, double);
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JS_EXPORT_PRIVATE const GregorianDateTime* calculateGregorianDateTime(DateCache&) const;
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JS_EXPORT_PRIVATE const GregorianDateTime* calculateGregorianDateTimeUTC(DateCache&) const;
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double m_internalNumber { PNaN };
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mutable RefPtr<DateInstanceData> m_data;
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};
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} // namespace JSC
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