blob: 85380675b13ee62a035f4abfbdf3d48ad2223261 [file] [log] [blame]
/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2007-2021 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#pragma once
#include "InternalFunction.h"
#include "ProxyObject.h"
namespace JSC {
class ArrayAllocationProfile;
class ArrayPrototype;
class JSArray;
class GetterSetter;
class ArrayConstructor final : public InternalFunction {
public:
typedef InternalFunction Base;
static constexpr unsigned StructureFlags = Base::StructureFlags | HasStaticPropertyTable;
static ArrayConstructor* create(VM& vm, JSGlobalObject* globalObject, Structure* structure, ArrayPrototype* arrayPrototype, GetterSetter* speciesSymbol)
{
ArrayConstructor* constructor = new (NotNull, allocateCell<ArrayConstructor>(vm)) ArrayConstructor(vm, structure);
constructor->finishCreation(vm, globalObject, arrayPrototype, speciesSymbol);
return constructor;
}
DECLARE_INFO;
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
}
private:
ArrayConstructor(VM&, Structure*);
void finishCreation(VM&, JSGlobalObject*, ArrayPrototype*, GetterSetter* speciesSymbol);
};
STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(ArrayConstructor, InternalFunction);
JSArray* constructArrayWithSizeQuirk(JSGlobalObject*, ArrayAllocationProfile*, JSValue length, JSValue prototype = JSValue());
JSC_DECLARE_HOST_FUNCTION(arrayConstructorPrivateFuncIsArraySlow);
bool isArraySlow(JSGlobalObject*, ProxyObject* argument);
// ES6 7.2.2
// https://tc39.github.io/ecma262/#sec-isarray
inline bool isArray(JSGlobalObject* globalObject, JSValue argumentValue)
{
if (!argumentValue.isObject())
return false;
JSObject* argument = jsCast<JSObject*>(argumentValue);
if (argument->type() == ArrayType || argument->type() == DerivedArrayType)
return true;
if (argument->type() != ProxyObjectType)
return false;
return isArraySlow(globalObject, jsCast<ProxyObject*>(argument));
}
} // namespace JSC