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* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
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* Copyright (C) 2003, 2007, 2008, 2011 Apple Inc. All rights reserved.
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* Copyright (C) 2003 Peter Kelly (pmk@post.com)
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* Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
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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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* 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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* 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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#include "ArrayConstructor.h"
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#include "ArrayPrototype.h"
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#include "ButterflyInlines.h"
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#include "CopiedSpaceInlines.h"
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#include "ExceptionHelpers.h"
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#include "JSFunction.h"
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static EncodedJSValue JSC_HOST_CALL arrayConstructorIsArray(ExecState*);
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#include "ArrayConstructor.lut.h"
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ASSERT_HAS_TRIVIAL_DESTRUCTOR(ArrayConstructor);
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const ClassInfo ArrayConstructor::s_info = { "Function", &InternalFunction::s_info, 0, ExecState::arrayConstructorTable, CREATE_METHOD_TABLE(ArrayConstructor) };
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/* Source for ArrayConstructor.lut.h
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@begin arrayConstructorTable
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isArray arrayConstructorIsArray DontEnum|Function 1
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ArrayConstructor::ArrayConstructor(JSGlobalObject* globalObject, Structure* structure)
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: InternalFunction(globalObject, structure)
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void ArrayConstructor::finishCreation(ExecState* exec, ArrayPrototype* arrayPrototype)
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Base::finishCreation(exec->globalData(), arrayPrototype->classInfo()->className);
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putDirectWithoutTransition(exec->globalData(), exec->propertyNames().prototype, arrayPrototype, DontEnum | DontDelete | ReadOnly);
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putDirectWithoutTransition(exec->globalData(), exec->propertyNames().length, jsNumber(1), ReadOnly | DontEnum | DontDelete);
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bool ArrayConstructor::getOwnPropertySlot(JSCell* cell, ExecState* exec, PropertyName propertyName, PropertySlot &slot)
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return getStaticFunctionSlot<InternalFunction>(exec, ExecState::arrayConstructorTable(exec), jsCast<ArrayConstructor*>(cell), propertyName, slot);
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bool ArrayConstructor::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor)
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return getStaticFunctionDescriptor<InternalFunction>(exec, ExecState::arrayConstructorTable(exec), jsCast<ArrayConstructor*>(object), propertyName, descriptor);
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// ------------------------------ Functions ---------------------------
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JSObject* constructArrayWithSizeQuirk(ExecState* exec, ArrayAllocationProfile* profile, JSGlobalObject* globalObject, JSValue length)
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if (!length.isNumber())
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return constructArray(exec, profile, globalObject, &length, 1);
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uint32_t n = length.toUInt32(exec);
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if (n != length.toNumber(exec))
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return throwError(exec, createRangeError(exec, ASCIILiteral("Array size is not a small enough positive integer.")));
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return constructEmptyArray(exec, profile, globalObject, n);
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static inline JSObject* constructArrayWithSizeQuirk(ExecState* exec, const ArgList& args)
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JSGlobalObject* globalObject = asInternalFunction(exec->callee())->globalObject();
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// a single numeric argument denotes the array size (!)
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return constructArrayWithSizeQuirk(exec, 0, globalObject, args.at(0));
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// otherwise the array is constructed with the arguments in it
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return constructArray(exec, 0, globalObject, args);
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static EncodedJSValue JSC_HOST_CALL constructWithArrayConstructor(ExecState* exec)
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return JSValue::encode(constructArrayWithSizeQuirk(exec, args));
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ConstructType ArrayConstructor::getConstructData(JSCell*, ConstructData& constructData)
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constructData.native.function = constructWithArrayConstructor;
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return ConstructTypeHost;
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static EncodedJSValue JSC_HOST_CALL callArrayConstructor(ExecState* exec)
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return JSValue::encode(constructArrayWithSizeQuirk(exec, args));
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CallType ArrayConstructor::getCallData(JSCell*, CallData& callData)
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// equivalent to 'new Array(....)'
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callData.native.function = callArrayConstructor;
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EncodedJSValue JSC_HOST_CALL arrayConstructorIsArray(ExecState* exec)
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return JSValue::encode(jsBoolean(exec->argument(0).inherits(&JSArray::s_info)));