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-rw-r--r--src/script/qscriptecmanumber.cpp268
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diff --git a/src/script/qscriptecmanumber.cpp b/src/script/qscriptecmanumber.cpp
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index 7d3d903..0000000
--- a/src/script/qscriptecmanumber.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
-**
-** This file is part of the QtScript module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the either Technology Preview License Agreement or the
-** Beta Release License Agreement.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain
-** additional rights. These rights are described in the Nokia Qt LGPL
-** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3.0 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU General Public License version 3.0 requirements will be
-** met: http://www.gnu.org/copyleft/gpl.html.
-**
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "qscriptecmanumber_p.h"
-
-#ifndef QT_NO_SCRIPT
-
-#include "qscriptengine_p.h"
-#include "qscriptvalueimpl_p.h"
-#include "qscriptcontext_p.h"
-#include "qscriptmember_p.h"
-#include "qscriptobject_p.h"
-
-#include <QtCore/QtDebug>
-#include <QtCore/qnumeric.h>
-#include <math.h>
-
-QT_BEGIN_NAMESPACE
-
-namespace QScript { namespace Ecma {
-
-Number::Number(QScriptEnginePrivate *eng):
- Core(eng, QLatin1String("Number"), QScriptClassInfo::NumberType)
-{
- newNumber(&publicPrototype, 0);
-
- eng->newConstructor(&ctor, this, publicPrototype);
-
- addPrototypeFunction(QLatin1String("toString"), method_toString, 0);
- addPrototypeFunction(QLatin1String("toLocaleString"), method_toLocaleString, 0);
- addPrototypeFunction(QLatin1String("valueOf"), method_valueOf, 0);
- addPrototypeFunction(QLatin1String("toFixed"), method_toFixed, 1);
- addPrototypeFunction(QLatin1String("toExponential"), method_toExponential, 1);
- addPrototypeFunction(QLatin1String("toPrecision"), method_toPrecision, 1);
-
- QScriptValue::PropertyFlags flags = QScriptValue::Undeletable
- | QScriptValue::ReadOnly
- | QScriptValue::SkipInEnumeration;
- ctor.setProperty(QLatin1String("NaN"),
- QScriptValueImpl(qSNaN()), flags);
- ctor.setProperty(QLatin1String("NEGATIVE_INFINITY"),
- QScriptValueImpl(-qInf()), flags);
- ctor.setProperty(QLatin1String("POSITIVE_INFINITY"),
- QScriptValueImpl(qInf()), flags);
- ctor.setProperty(QLatin1String("MAX_VALUE"),
- QScriptValueImpl(1.7976931348623158e+308), flags);
-#ifdef __INTEL_COMPILER
-# pragma warning( push )
-# pragma warning(disable: 239)
-#endif
- ctor.setProperty(QLatin1String("MIN_VALUE"),
- QScriptValueImpl(5e-324), flags);
-#ifdef __INTEL_COMPILER
-# pragma warning( pop )
-#endif
-}
-
-Number::~Number()
-{
-}
-
-void Number::execute(QScriptContextPrivate *context)
-{
-#ifndef Q_SCRIPT_NO_EVENT_NOTIFY
- engine()->notifyFunctionEntry(context);
-#endif
- qsreal value;
- if (context->argumentCount() > 0)
- value = context->argument(0).toNumber();
- else
- value = 0;
-
- QScriptValueImpl num(value);
- if (!context->isCalledAsConstructor()) {
- context->setReturnValue(num);
- } else {
- QScriptValueImpl &obj = context->m_thisObject;
- obj.setClassInfo(classInfo());
- obj.setInternalValue(num);
- obj.setPrototype(publicPrototype);
- context->setReturnValue(obj);
- }
-#ifndef Q_SCRIPT_NO_EVENT_NOTIFY
- engine()->notifyFunctionExit(context);
-#endif
-}
-
-void Number::newNumber(QScriptValueImpl *result, qsreal value)
-{
- engine()->newObject(result, publicPrototype, classInfo());
- result->setInternalValue(QScriptValueImpl(value));
-}
-
-QScriptValueImpl Number::method_toString(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo)
-{
- QScriptValueImpl self = context->thisObject();
- if (self.classInfo() != classInfo) {
- return throwThisObjectTypeError(
- context, QLatin1String("Number.prototype.toString"));
- }
- QScriptValueImpl arg = context->argument(0);
- if (!arg.isUndefined()) {
- int radix = arg.toInt32();
- if (radix < 2 || radix > 36)
- return context->throwError(QString::fromLatin1("Number.prototype.toString: %0 is not a valid radix")
- .arg(radix));
- if (radix != 10) {
- QString str;
- qsreal num = self.internalValue().toNumber();
- if (qIsNaN(num))
- return QScriptValueImpl(eng, QLatin1String("NaN"));
- else if (qIsInf(num))
- return QScriptValueImpl(eng, QLatin1String(num < 0 ? "-Infinity" : "Infinity"));
- bool negative = false;
- if (num < 0) {
- negative = true;
- num = -num;
- }
- qsreal frac = num - ::floor(num);
- num = QScriptEnginePrivate::toInteger(num);
- do {
- char c = (char)::fmod(num, radix);
- c = (c < 10) ? (c + '0') : (c - 10 + 'a');
- str.prepend(QLatin1Char(c));
- num = ::floor(num / radix);
- } while (num != 0);
- if (frac != 0) {
- str.append(QLatin1Char('.'));
- do {
- frac = frac * radix;
- char c = (char)::floor(frac);
- c = (c < 10) ? (c + '0') : (c - 10 + 'a');
- str.append(QLatin1Char(c));
- frac = frac - ::floor(frac);
- } while (frac != 0);
- }
- if (negative)
- str.prepend(QLatin1Char('-'));
- return QScriptValueImpl(eng, str);
- }
- }
- QString str = self.internalValue().toString();
- return (QScriptValueImpl(eng, str));
-}
-
-QScriptValueImpl Number::method_toLocaleString(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo)
-{
- QScriptValueImpl self = context->thisObject();
- if (self.classInfo() != classInfo) {
- return throwThisObjectTypeError(
- context, QLatin1String("Number.prototype.toLocaleString"));
- }
- QString str = self.internalValue().toString();
- return (QScriptValueImpl(eng, str));
-}
-
-QScriptValueImpl Number::method_valueOf(QScriptContextPrivate *context, QScriptEnginePrivate *, QScriptClassInfo *classInfo)
-{
- QScriptValueImpl self = context->thisObject();
- if (self.classInfo() != classInfo) {
- return throwThisObjectTypeError(
- context, QLatin1String("Number.prototype.valueOf"));
- }
- return (self.internalValue());
-}
-
-QScriptValueImpl Number::method_toFixed(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo)
-{
- QScriptValueImpl self = context->thisObject();
- if (self.classInfo() != classInfo) {
- return throwThisObjectTypeError(
- context, QLatin1String("Number.prototype.toFixed"));
- }
- qsreal fdigits = 0;
-
- if (context->argumentCount() > 0)
- fdigits = context->argument(0).toInteger();
-
- if (qIsNaN(fdigits))
- fdigits = 0;
-
- qsreal v = self.internalValue().toNumber();
- QString str;
- if (qIsNaN(v))
- str = QString::fromLatin1("NaN");
- else if (qIsInf(v))
- str = QString::fromLatin1(v < 0 ? "-Infinity" : "Infinity");
- else
- str = QString::number(v, 'f', int (fdigits));
- return (QScriptValueImpl(eng, str));
-}
-
-QScriptValueImpl Number::method_toExponential(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo)
-{
- QScriptValueImpl self = context->thisObject();
- if (self.classInfo() != classInfo) {
- return throwThisObjectTypeError(
- context, QLatin1String("Number.prototype.toExponential"));
- }
- qsreal fdigits = 0;
-
- if (context->argumentCount() > 0)
- fdigits = context->argument(0).toInteger();
-
- qsreal v = self.internalValue().toNumber();
- QString z = QString::number(v, 'e', int (fdigits));
- return (QScriptValueImpl(eng, z));
-}
-
-QScriptValueImpl Number::method_toPrecision(QScriptContextPrivate *context, QScriptEnginePrivate *eng, QScriptClassInfo *classInfo)
-{
- QScriptValueImpl self = context->thisObject();
- if (self.classInfo() != classInfo) {
- return throwThisObjectTypeError(
- context, QLatin1String("Number.prototype.toPrecision"));
- }
- qsreal fdigits = 0;
-
- if (context->argumentCount() > 0)
- fdigits = context->argument(0).toInteger();
-
- qsreal v = self.internalValue().toNumber();
- return (QScriptValueImpl(eng, QString::number(v, 'g', int (fdigits))));
-}
-
-} } // namespace QScript::Ecma
-
-QT_END_NAMESPACE
-
-#endif // QT_NO_SCRIPT
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