mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-12-04 18:16:39 +00:00
68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/*
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* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
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* Copyright (C) 2008 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 "InternalFunction.h"
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namespace JSC {
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class NumberPrototype;
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class GetterSetter;
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class NumberConstructor final : public InternalFunction {
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public:
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typedef InternalFunction Base;
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static const unsigned StructureFlags = Base::StructureFlags | ImplementsHasInstance | HasStaticPropertyTable;
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static NumberConstructor* create(VM& vm, Structure* structure, NumberPrototype* numberPrototype, GetterSetter*)
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{
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NumberConstructor* constructor = new (NotNull, allocateCell<NumberConstructor>(vm.heap)) NumberConstructor(vm, structure);
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constructor->finishCreation(vm, numberPrototype);
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return constructor;
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}
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DECLARE_INFO;
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static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
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{
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return Structure::create(vm, globalObject, proto, TypeInfo(InternalFunctionType, StructureFlags), info());
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}
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static bool isIntegerImpl(JSValue value)
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{
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if (value.isInt32())
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return true;
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if (!value.isDouble())
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return false;
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double number = value.asDouble();
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return std::isfinite(number) && trunc(number) == number;
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}
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protected:
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void finishCreation(VM&, NumberPrototype*);
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private:
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NumberConstructor(VM&, Structure*);
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};
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} // namespace JSC
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