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/*
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* Copyright (C) 1999-2000,2003 Harri Porten (porten@kde.org)
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* Copyright (C) 2007, 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
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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 "NumberConstructor.h"
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#include "NumberObject.h"
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#include "NumberPrototype.h"
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namespace JSC {
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ASSERT_CLASS_FITS_IN_CELL(NumberConstructor);
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static JSValue numberConstructorNaNValue(ExecState*, const Identifier&, const PropertySlot&);
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static JSValue numberConstructorNegInfinity(ExecState*, const Identifier&, const PropertySlot&);
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static JSValue numberConstructorPosInfinity(ExecState*, const Identifier&, const PropertySlot&);
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static JSValue numberConstructorMaxValue(ExecState*, const Identifier&, const PropertySlot&);
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static JSValue numberConstructorMinValue(ExecState*, const Identifier&, const PropertySlot&);
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} // namespace JSC
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#include "NumberConstructor.lut.h"
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namespace JSC {
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const ClassInfo NumberConstructor::info = { "Function", &InternalFunction::info, 0, ExecState::numberTable };
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/* Source for NumberConstructor.lut.h
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@begin numberTable
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NaN numberConstructorNaNValue DontEnum|DontDelete|ReadOnly
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NEGATIVE_INFINITY numberConstructorNegInfinity DontEnum|DontDelete|ReadOnly
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POSITIVE_INFINITY numberConstructorPosInfinity DontEnum|DontDelete|ReadOnly
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MAX_VALUE numberConstructorMaxValue DontEnum|DontDelete|ReadOnly
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MIN_VALUE numberConstructorMinValue DontEnum|DontDelete|ReadOnly
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@end
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*/
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NumberConstructor::NumberConstructor(ExecState* exec, NonNullPassRefPtr<Structure> structure, NumberPrototype* numberPrototype)
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: InternalFunction(&exec->globalData(), structure, Identifier(exec, numberPrototype->info.className))
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{
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// Number.Prototype
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putDirectWithoutTransition(exec->propertyNames().prototype, numberPrototype, DontEnum | DontDelete | ReadOnly);
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// no. of arguments for constructor
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putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 1), ReadOnly | DontEnum | DontDelete);
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}
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bool NumberConstructor::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
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{
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return getStaticValueSlot<NumberConstructor, InternalFunction>(exec, ExecState::numberTable(exec), this, propertyName, slot);
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}
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bool NumberConstructor::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
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{
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return getStaticValueDescriptor<NumberConstructor, InternalFunction>(exec, ExecState::numberTable(exec), this, propertyName, descriptor);
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}
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static JSValue numberConstructorNaNValue(ExecState* exec, const Identifier&, const PropertySlot&)
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{
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return jsNaN(exec);
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}
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static JSValue numberConstructorNegInfinity(ExecState* exec, const Identifier&, const PropertySlot&)
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{
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return jsNumber(exec, -Inf);
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}
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static JSValue numberConstructorPosInfinity(ExecState* exec, const Identifier&, const PropertySlot&)
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{
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return jsNumber(exec, Inf);
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}
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static JSValue numberConstructorMaxValue(ExecState* exec, const Identifier&, const PropertySlot&)
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{
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return jsNumber(exec, 1.7976931348623157E+308);
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}
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static JSValue numberConstructorMinValue(ExecState* exec, const Identifier&, const PropertySlot&)
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{
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return jsNumber(exec, 5E-324);
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}
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// ECMA 15.7.1
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static JSObject* constructWithNumberConstructor(ExecState* exec, JSObject*, const ArgList& args)
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{
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NumberObject* object = new (exec) NumberObject(exec->lexicalGlobalObject()->numberObjectStructure());
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double n = args.isEmpty() ? 0 : args.at(0).toNumber(exec);
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object->setInternalValue(jsNumber(exec, n));
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return object;
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}
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ConstructType NumberConstructor::getConstructData(ConstructData& constructData)
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{
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constructData.native.function = constructWithNumberConstructor;
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return ConstructTypeHost;
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}
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// ECMA 15.7.2
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static JSValue JSC_HOST_CALL callNumberConstructor(ExecState* exec, JSObject*, JSValue, const ArgList& args)
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{
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return jsNumber(exec, args.isEmpty() ? 0 : args.at(0).toNumber(exec));
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}
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CallType NumberConstructor::getCallData(CallData& callData)
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{
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callData.native.function = callNumberConstructor;
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return CallTypeHost;
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}
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} // namespace JSC
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