JavaScriptCore/qt/api/qscriptvalue.cpp - WebKit - Git at Google

 /*
     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)

     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library 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
     Library General Public License for more details.

     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     Boston, MA 02110-1301, USA.
 */

 #include "config.h"

 #include "qscriptvalue.h"

 #include "qscriptengine.h"
 #include "qscriptengine_p.h"
 #include "qscriptvalue_p.h"
 #include <QtCore/qdebug.h>

 /*!
     Constructs an invalid value.
 */
 QScriptValue::QScriptValue()
     : d_ptr(new QScriptValuePrivate())
 {
 }

 /*!
   Constructs a new QScriptValue with a boolean \a value.
 */
 QScriptValue::QScriptValue(bool value)
     : d_ptr(new QScriptValuePrivate(value))
 {
 }

 /*!
   Constructs a new QScriptValue with a number \a value.
 */
 QScriptValue::QScriptValue(int value)
     : d_ptr(new QScriptValuePrivate(value))
 {
 }

 /*!
   Constructs a new QScriptValue with a number \a value.
 */
 QScriptValue::QScriptValue(uint value)
     : d_ptr(new QScriptValuePrivate(value))
 {
 }

 /*!
   Constructs a new QScriptValue with a number \a value.
 */
 QScriptValue::QScriptValue(qsreal value)
     : d_ptr(new QScriptValuePrivate(value))
 {
 }

 /*!
   Constructs a new QScriptValue with a string \a value.
 */
 QScriptValue::QScriptValue(const QString& value)
     : d_ptr(new QScriptValuePrivate(value))
 {
 }

 /*!
   Constructs a new QScriptValue with a special \a value.
 */
 QScriptValue::QScriptValue(SpecialValue value)
     : d_ptr(new QScriptValuePrivate(value))
 {
 }

 /*!
   Constructs a new QScriptValue with a string \a value.
 */
 QScriptValue::QScriptValue(const char* value)
     : d_ptr(new QScriptValuePrivate(QString::fromUtf8(value)))
 {
 }

 /*!
     Block automatic convertion to bool
     \internal
 */
 QScriptValue::QScriptValue(void* d)
 {
     Q_ASSERT(false);
 }

 /*!
     Constructs a new QScriptValue from private
     \internal
 */
 QScriptValue::QScriptValue(QScriptValuePrivate* d)
     : d_ptr(d)
 {
 }

 /*!
   \obsolete

   Constructs a new QScriptValue with the boolean \a value and
   registers it with the script \a engine.
 */
 QScriptValue::QScriptValue(QScriptEngine* engine, bool value)
 {
     if (engine)
         d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
     else
         d_ptr = new QScriptValuePrivate(value);
 }

 /*!
   \obsolete

   Constructs a new QScriptValue with the integer \a value and
   registers it with the script \a engine.
 */
 QScriptValue::QScriptValue(QScriptEngine* engine, int value)
 {
     if (engine)
         d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
     else
         d_ptr = new QScriptValuePrivate(value);
 }

 /*!
   \obsolete

   Constructs a new QScriptValue with the unsigned integer \a value and
   registers it with the script \a engine.
  */
 QScriptValue::QScriptValue(QScriptEngine* engine, uint value)
 {
     if (engine)
         d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
     else
         d_ptr = new QScriptValuePrivate(value);
 }

 /*!
   \obsolete

   Constructs a new QScriptValue with the qsreal \a value and
   registers it with the script \a engine.
 */
 QScriptValue::QScriptValue(QScriptEngine* engine, qsreal value)
 {
     if (engine)
         d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
     else
         d_ptr = new QScriptValuePrivate(value);
 }

 /*!
   \obsolete

   Constructs a new QScriptValue with the string \a value and
   registers it with the script \a engine.
 */
 QScriptValue::QScriptValue(QScriptEngine* engine, const QString& value)
 {
     if (engine)
         d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
     else
         d_ptr = new QScriptValuePrivate(value);
 }

 /*!
   \obsolete

   Constructs a new QScriptValue with the string \a value and
   registers it with the script \a engine.
 */
 QScriptValue::QScriptValue(QScriptEngine* engine, const char* value)
 {
     if (engine)
         d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), QString::fromUtf8(value));
     else
         d_ptr = new QScriptValuePrivate(QString::fromUtf8(value));
 }

 /*!
   \obsolete

   Constructs a new QScriptValue with the special \a value and
   registers it with the script \a engine.
 */
 QScriptValue::QScriptValue(QScriptEngine* engine, SpecialValue value)
 {
     if (engine)
         d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
     else
         d_ptr = new QScriptValuePrivate(value);
 }

 /*!
   Constructs a new QScriptValue that is a copy of \a other.

   Note that if \a other is an object (i.e., isObject() would return
   true), then only a reference to the underlying object is copied into
   the new script value (i.e., the object itself is not copied).
 */
 QScriptValue::QScriptValue(const QScriptValue& other)
     : d_ptr(other.d_ptr)
 {
 }

 /*!
     Destroys this QScriptValue.
 */
 QScriptValue::~QScriptValue()
 {
 }

 /*!
   Returns true if this QScriptValue is valid; otherwise returns
   false.
 */
 bool QScriptValue::isValid() const
 {
     return d_ptr->isValid();
 }

 /*!
   Returns true if this QScriptValue is of the primitive type Boolean;
   otherwise returns false.

   \sa toBool()
 */
 bool QScriptValue::isBool() const
 {
     return d_ptr->isBool();
 }

 /*!
   \obsolete

   Use isBool() instead.
   Returns true if this QScriptValue is of the primitive type Boolean;
   otherwise returns false.
 */
 bool QScriptValue::isBoolean() const
 {
     return d_ptr->isBool();
 }

 /*!
   Returns true if this QScriptValue is of the primitive type Number;
   otherwise returns false.

   \sa toNumber()
 */
 bool QScriptValue::isNumber() const
 {
     return d_ptr->isNumber();
 }

 /*!
   Returns true if this QScriptValue is of the primitive type Null;
   otherwise returns false.

   \sa QScriptEngine::nullValue()
 */
 bool QScriptValue::isNull() const
 {
     return d_ptr->isNull();
 }

 /*!
   Returns true if this QScriptValue is of the primitive type String;
   otherwise returns false.

   \sa toString()
 */
 bool QScriptValue::isString() const
 {
     return d_ptr->isString();
 }

 /*!
   Returns true if this QScriptValue is of the primitive type Undefined;
   otherwise returns false.

   \sa QScriptEngine::undefinedValue()
 */
 bool QScriptValue::isUndefined() const
 {
     return d_ptr->isUndefined();
 }

 /*!
   Returns true if this QScriptValue is an object of the Error class;
   otherwise returns false.

   \sa QScriptContext::throwError()
 */
 bool QScriptValue::isError() const
 {
     return d_ptr->isError();
 }

 /*!
   Returns true if this QScriptValue is of the Object type; otherwise
   returns false.

   Note that function values, variant values, and QObject values are
   objects, so this function returns true for such values.

   \sa toObject(), QScriptEngine::newObject()
 */
 bool QScriptValue::isObject() const
 {
     return d_ptr->isObject();
 }

 /*!
   Returns true if this QScriptValue is a function; otherwise returns
   false.

   \sa call()
 */
 bool QScriptValue::isFunction() const
 {
     return d_ptr->isFunction();
 }

 /*!
   Returns the string value of this QScriptValue, as defined in
   \l{ECMA-262} section 9.8, "ToString".

   Note that if this QScriptValue is an object, calling this function
   has side effects on the script engine, since the engine will call
   the object's toString() function (and possibly valueOf()) in an
   attempt to convert the object to a primitive value (possibly
   resulting in an uncaught script exception).

   \sa isString()
 */
 QString QScriptValue::toString() const
 {
     return d_ptr->toString();
 }

 /*!
   Returns the number value of this QScriptValue, as defined in
   \l{ECMA-262} section 9.3, "ToNumber".

   Note that if this QScriptValue is an object, calling this function
   has side effects on the script engine, since the engine will call
   the object's valueOf() function (and possibly toString()) in an
   attempt to convert the object to a primitive value (possibly
   resulting in an uncaught script exception).

   \sa isNumber(), toInteger(), toInt32(), toUInt32(), toUInt16()
 */
 qsreal QScriptValue::toNumber() const
 {
     return d_ptr->toNumber();
 }

 /*!
   Returns the boolean value of this QScriptValue, using the conversion
   rules described in \l{ECMA-262} section 9.2, "ToBoolean".

   Note that if this QScriptValue is an object, calling this function
   has side effects on the script engine, since the engine will call
   the object's valueOf() function (and possibly toString()) in an
   attempt to convert the object to a primitive value (possibly
   resulting in an uncaught script exception).

   \sa isBool()
 */
 bool QScriptValue::toBool() const
 {
     return d_ptr->toBool();
 }

 /*!
   \obsolete

   Use toBool() instead.
 */
 bool QScriptValue::toBoolean() const
 {
     return d_ptr->toBool();
 }

 /*!
   Returns the integer value of this QScriptValue, using the conversion
   rules described in \l{ECMA-262} section 9.4, "ToInteger".

   Note that if this QScriptValue is an object, calling this function
   has side effects on the script engine, since the engine will call
   the object's valueOf() function (and possibly toString()) in an
   attempt to convert the object to a primitive value (possibly
   resulting in an uncaught script exception).

   \sa toNumber()
 */
 qsreal QScriptValue::toInteger() const
 {
     return d_ptr->toInteger();
 }

 /*!
   Returns the signed 32-bit integer value of this QScriptValue, using
   the conversion rules described in \l{ECMA-262} section 9.5, "ToInt32".

   Note that if this QScriptValue is an object, calling this function
   has side effects on the script engine, since the engine will call
   the object's valueOf() function (and possibly toString()) in an
   attempt to convert the object to a primitive value (possibly
   resulting in an uncaught script exception).

   \sa toNumber(), toUInt32()
 */
 qint32 QScriptValue::toInt32() const
 {
     return d_ptr->toInt32();
 }

 /*!
   Returns the unsigned 32-bit integer value of this QScriptValue, using
   the conversion rules described in \l{ECMA-262} section 9.6, "ToUint32".

   Note that if this QScriptValue is an object, calling this function
   has side effects on the script engine, since the engine will call
   the object's valueOf() function (and possibly toString()) in an
   attempt to convert the object to a primitive value (possibly
   resulting in an uncaught script exception).

   \sa toNumber(), toInt32()
 */
 quint32 QScriptValue::toUInt32() const
 {
     return d_ptr->toUInt32();
 }

 /*!
   Returns the unsigned 16-bit integer value of this QScriptValue, using
   the conversion rules described in \l{ECMA-262} section 9.7, "ToUint16".

   Note that if this QScriptValue is an object, calling this function
   has side effects on the script engine, since the engine will call
   the object's valueOf() function (and possibly toString()) in an
   attempt to convert the object to a primitive value (possibly
   resulting in an uncaught script exception).

   \sa toNumber()
 */
 quint16 QScriptValue::toUInt16() const
 {
     return d_ptr->toUInt16();
 }

 /*!
   \obsolete

   This function is obsolete; use QScriptEngine::toObject() instead.
 */
 QScriptValue QScriptValue::toObject() const
 {
     return QScriptValuePrivate::get(d_ptr->toObject());
 }

 /*!
   Calls this QScriptValue as a function, using \a thisObject as
   the `this' object in the function call, and passing \a args
   as arguments to the function. Returns the value returned from
   the function.

   If this QScriptValue is not a function, call() does nothing
   and returns an invalid QScriptValue.

   Note that if \a thisObject is not an object, the global object
   (see \l{QScriptEngine::globalObject()}) will be used as the
   `this' object.

   Calling call() can cause an exception to occur in the script engine;
   in that case, call() returns the value that was thrown (typically an
   \c{Error} object). You can call
   QScriptEngine::hasUncaughtException() to determine if an exception
   occurred.

   \snippet doc/src/snippets/code/src_script_qscriptvalue.cpp 2

   \sa construct()
 */
 QScriptValue QScriptValue::call(const QScriptValue& thisObject, const QScriptValueList& args)
 {
     return d_ptr->call(thisObject.d_ptr.data(), args);
 }

 /*!
   Returns the QScriptEngine that created this QScriptValue,
   or 0 if this QScriptValue is invalid or the value is not
   associated with a particular engine.
 */
 QScriptEngine* QScriptValue::engine() const
 {
     QScriptEnginePrivate* engine = d_ptr->engine();
     if (engine)
         return QScriptEnginePrivate::get(engine);
     return 0;
 }

 /*!
   If this QScriptValue is an object, returns the internal prototype
   (\c{__proto__} property) of this object; otherwise returns an
   invalid QScriptValue.

   \sa setPrototype(), isObject()
 */
 QScriptValue QScriptValue::prototype() const
 {
     return QScriptValuePrivate::get(d_ptr->prototype());
 }

 /*!
   If this QScriptValue is an object, sets the internal prototype
   (\c{__proto__} property) of this object to be \a prototype;
   otherwise does nothing.

   The internal prototype should not be confused with the public
   property with name "prototype"; the public prototype is usually
   only set on functions that act as constructors.

   \sa prototype(), isObject()
 */
 void QScriptValue::setPrototype(const QScriptValue& prototype)
 {
     d_ptr->setPrototype(QScriptValuePrivate::get(prototype));
 }

 /*!
   Assigns the \a other value to this QScriptValue.

   Note that if \a other is an object (isObject() returns true),
   only a reference to the underlying object will be assigned;
   the object itself will not be copied.
 */
 QScriptValue& QScriptValue::operator=(const QScriptValue& other)
 {
     d_ptr = other.d_ptr;
     return *this;
 }

 /*!
   Returns true if this QScriptValue is equal to \a other, otherwise
   returns false. The comparison follows the behavior described in
   \l{ECMA-262} section 11.9.3, "The Abstract Equality Comparison
   Algorithm".

   This function can return true even if the type of this QScriptValue
   is different from the type of the \a other value; i.e. the
   comparison is not strict.  For example, comparing the number 9 to
   the string "9" returns true; comparing an undefined value to a null
   value returns true; comparing a \c{Number} object whose primitive
   value is 6 to a \c{String} object whose primitive value is "6"
   returns true; and comparing the number 1 to the boolean value
   \c{true} returns true. If you want to perform a comparison
   without such implicit value conversion, use strictlyEquals().

   Note that if this QScriptValue or the \a other value are objects,
   calling this function has side effects on the script engine, since
   the engine will call the object's valueOf() function (and possibly
   toString()) in an attempt to convert the object to a primitive value
   (possibly resulting in an uncaught script exception).

   \sa strictlyEquals(), lessThan()
 */
 bool QScriptValue::equals(const QScriptValue& other) const
 {
     return d_ptr->equals(QScriptValuePrivate::get(other));
 }

 /*!
   Returns true if this QScriptValue is equal to \a other using strict
   comparison (no conversion), otherwise returns false. The comparison
   follows the behavior described in \l{ECMA-262} section 11.9.6, "The
   Strict Equality Comparison Algorithm".

   If the type of this QScriptValue is different from the type of the
   \a other value, this function returns false. If the types are equal,
   the result depends on the type, as shown in the following table:

     \table
     \header \o Type \o Result
     \row    \o Undefined  \o true
     \row    \o Null       \o true
     \row    \o Boolean    \o true if both values are true, false otherwise
     \row    \o Number     \o false if either value is NaN (Not-a-Number); true if values are equal, false otherwise
     \row    \o String     \o true if both values are exactly the same sequence of characters, false otherwise
     \row    \o Object     \o true if both values refer to the same object, false otherwise
     \endtable

   \sa equals()
 */
 bool QScriptValue::strictlyEquals(const QScriptValue& other) const
 {
     return d_ptr->strictlyEquals(QScriptValuePrivate::get(other));
 }

 /*!
     Returns true if this QScriptValue is an instance of
     \a other; otherwise returns false.

     This QScriptValue is considered to be an instance of \a other if
     \a other is a function and the value of the \c{prototype}
     property of \a other is in the prototype chain of this
     QScriptValue.
 */
 bool QScriptValue::instanceOf(const QScriptValue& other) const
 {
     return d_ptr->instanceOf(QScriptValuePrivate::get(other));
 }

 /*!
   Returns the value of this QScriptValue's property with the given \a name,
   using the given \a mode to resolve the property.

   If no such property exists, an invalid QScriptValue is returned.

   If the property is implemented using a getter function (i.e. has the
   PropertyGetter flag set), calling property() has side-effects on the
   script engine, since the getter function will be called (possibly
   resulting in an uncaught script exception). If an exception
   occurred, property() returns the value that was thrown (typically
   an \c{Error} object).

   \sa setProperty(), propertyFlags(), QScriptValueIterator
 */
 QScriptValue QScriptValue::property(const QString& name, const ResolveFlags& mode) const
 {
     return QScriptValuePrivate::get(d_ptr->property(name, mode));
 }

 /*!
   \overload

   Returns the property at the given \a arrayIndex, using the given \a
   mode to resolve the property.

   This function is provided for convenience and performance when
   working with array objects.

   If this QScriptValue is not an Array object, this function behaves
   as if property() was called with the string representation of \a
   arrayIndex.
 */
 QScriptValue QScriptValue::property(quint32 arrayIndex, const ResolveFlags& mode) const
 {
     return QScriptValuePrivate::get(d_ptr->property(arrayIndex, mode));
 }
	/*
	Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)

	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Library 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
	Library General Public License for more details.

	You should have received a copy of the GNU Library General Public License
	along with this library; see the file COPYING.LIB. If not, write to
	the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	Boston, MA 02110-1301, USA.
	*/

	#include "config.h"

	#include "qscriptvalue.h"

	#include "qscriptengine.h"
	#include "qscriptengine_p.h"
	#include "qscriptvalue_p.h"
	#include <QtCore/qdebug.h>

	/*!
	Constructs an invalid value.
	*/
	QScriptValue::QScriptValue()
	: d_ptr(new QScriptValuePrivate())
	{
	}

	/*!
	Constructs a new QScriptValue with a boolean \a value.
	*/
	QScriptValue::QScriptValue(bool value)
	: d_ptr(new QScriptValuePrivate(value))
	{
	}

	/*!
	Constructs a new QScriptValue with a number \a value.
	*/
	QScriptValue::QScriptValue(int value)
	: d_ptr(new QScriptValuePrivate(value))
	{
	}

	/*!
	Constructs a new QScriptValue with a number \a value.
	*/
	QScriptValue::QScriptValue(uint value)
	: d_ptr(new QScriptValuePrivate(value))
	{
	}

	/*!
	Constructs a new QScriptValue with a number \a value.
	*/
	QScriptValue::QScriptValue(qsreal value)
	: d_ptr(new QScriptValuePrivate(value))
	{
	}

	/*!
	Constructs a new QScriptValue with a string \a value.
	*/
	QScriptValue::QScriptValue(const QString& value)
	: d_ptr(new QScriptValuePrivate(value))
	{
	}

	/*!
	Constructs a new QScriptValue with a special \a value.
	*/
	QScriptValue::QScriptValue(SpecialValue value)
	: d_ptr(new QScriptValuePrivate(value))
	{
	}

	/*!
	Constructs a new QScriptValue with a string \a value.
	*/
	QScriptValue::QScriptValue(const char* value)
	: d_ptr(new QScriptValuePrivate(QString::fromUtf8(value)))
	{
	}

	/*!
	Block automatic convertion to bool
	\internal
	*/
	QScriptValue::QScriptValue(void* d)
	{
	Q_ASSERT(false);
	}

	/*!
	Constructs a new QScriptValue from private
	\internal
	*/
	QScriptValue::QScriptValue(QScriptValuePrivate* d)
	: d_ptr(d)
	{
	}

	/*!
	\obsolete

	Constructs a new QScriptValue with the boolean \a value and
	registers it with the script \a engine.
	*/
	QScriptValue::QScriptValue(QScriptEngine* engine, bool value)
	{
	if (engine)
	d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
	else
	d_ptr = new QScriptValuePrivate(value);
	}

	/*!
	\obsolete

	Constructs a new QScriptValue with the integer \a value and
	registers it with the script \a engine.
	*/
	QScriptValue::QScriptValue(QScriptEngine* engine, int value)
	{
	if (engine)
	d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
	else
	d_ptr = new QScriptValuePrivate(value);
	}

	/*!
	\obsolete

	Constructs a new QScriptValue with the unsigned integer \a value and
	registers it with the script \a engine.
	*/
	QScriptValue::QScriptValue(QScriptEngine* engine, uint value)
	{
	if (engine)
	d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
	else
	d_ptr = new QScriptValuePrivate(value);
	}

	/*!
	\obsolete

	Constructs a new QScriptValue with the qsreal \a value and
	registers it with the script \a engine.
	*/
	QScriptValue::QScriptValue(QScriptEngine* engine, qsreal value)
	{
	if (engine)
	d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
	else
	d_ptr = new QScriptValuePrivate(value);
	}

	/*!
	\obsolete

	Constructs a new QScriptValue with the string \a value and
	registers it with the script \a engine.
	*/
	QScriptValue::QScriptValue(QScriptEngine* engine, const QString& value)
	{
	if (engine)
	d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
	else
	d_ptr = new QScriptValuePrivate(value);
	}

	/*!
	\obsolete

	Constructs a new QScriptValue with the string \a value and
	registers it with the script \a engine.
	*/
	QScriptValue::QScriptValue(QScriptEngine* engine, const char* value)
	{
	if (engine)
	d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), QString::fromUtf8(value));
	else
	d_ptr = new QScriptValuePrivate(QString::fromUtf8(value));
	}

	/*!
	\obsolete

	Constructs a new QScriptValue with the special \a value and
	registers it with the script \a engine.
	*/
	QScriptValue::QScriptValue(QScriptEngine* engine, SpecialValue value)
	{
	if (engine)
	d_ptr = new QScriptValuePrivate(QScriptEnginePrivate::get(engine), value);
	else
	d_ptr = new QScriptValuePrivate(value);
	}

	/*!
	Constructs a new QScriptValue that is a copy of \a other.

	Note that if \a other is an object (i.e., isObject() would return
	true), then only a reference to the underlying object is copied into
	the new script value (i.e., the object itself is not copied).
	*/
	QScriptValue::QScriptValue(const QScriptValue& other)
	: d_ptr(other.d_ptr)
	{
	}

	/*!
	Destroys this QScriptValue.
	*/
	QScriptValue::~QScriptValue()
	{
	}

	/*!
	Returns true if this QScriptValue is valid; otherwise returns
	false.
	*/
	bool QScriptValue::isValid() const
	{
	return d_ptr->isValid();
	}

	/*!
	Returns true if this QScriptValue is of the primitive type Boolean;
	otherwise returns false.

	\sa toBool()
	*/
	bool QScriptValue::isBool() const
	{
	return d_ptr->isBool();
	}

	/*!
	\obsolete

	Use isBool() instead.
	Returns true if this QScriptValue is of the primitive type Boolean;
	otherwise returns false.
	*/
	bool QScriptValue::isBoolean() const
	{
	return d_ptr->isBool();
	}

	/*!
	Returns true if this QScriptValue is of the primitive type Number;
	otherwise returns false.

	\sa toNumber()
	*/
	bool QScriptValue::isNumber() const
	{
	return d_ptr->isNumber();
	}

	/*!
	Returns true if this QScriptValue is of the primitive type Null;
	otherwise returns false.

	\sa QScriptEngine::nullValue()
	*/
	bool QScriptValue::isNull() const
	{
	return d_ptr->isNull();
	}

	/*!
	Returns true if this QScriptValue is of the primitive type String;
	otherwise returns false.

	\sa toString()
	*/
	bool QScriptValue::isString() const
	{
	return d_ptr->isString();
	}

	/*!
	Returns true if this QScriptValue is of the primitive type Undefined;
	otherwise returns false.

	\sa QScriptEngine::undefinedValue()
	*/
	bool QScriptValue::isUndefined() const
	{
	return d_ptr->isUndefined();
	}

	/*!
	Returns true if this QScriptValue is an object of the Error class;
	otherwise returns false.

	\sa QScriptContext::throwError()
	*/
	bool QScriptValue::isError() const
	{
	return d_ptr->isError();
	}

	/*!
	Returns true if this QScriptValue is of the Object type; otherwise
	returns false.

	Note that function values, variant values, and QObject values are
	objects, so this function returns true for such values.

	\sa toObject(), QScriptEngine::newObject()
	*/
	bool QScriptValue::isObject() const
	{
	return d_ptr->isObject();
	}

	/*!
	Returns true if this QScriptValue is a function; otherwise returns
	false.

	\sa call()
	*/
	bool QScriptValue::isFunction() const
	{
	return d_ptr->isFunction();
	}

	/*!
	Returns the string value of this QScriptValue, as defined in
	\l{ECMA-262} section 9.8, "ToString".

	Note that if this QScriptValue is an object, calling this function
	has side effects on the script engine, since the engine will call
	the object's toString() function (and possibly valueOf()) in an
	attempt to convert the object to a primitive value (possibly
	resulting in an uncaught script exception).

	\sa isString()
	*/
	QString QScriptValue::toString() const
	{
	return d_ptr->toString();
	}

	/*!
	Returns the number value of this QScriptValue, as defined in
	\l{ECMA-262} section 9.3, "ToNumber".

	Note that if this QScriptValue is an object, calling this function
	has side effects on the script engine, since the engine will call
	the object's valueOf() function (and possibly toString()) in an
	attempt to convert the object to a primitive value (possibly
	resulting in an uncaught script exception).

	\sa isNumber(), toInteger(), toInt32(), toUInt32(), toUInt16()
	*/
	qsreal QScriptValue::toNumber() const
	{
	return d_ptr->toNumber();
	}

	/*!
	Returns the boolean value of this QScriptValue, using the conversion
	rules described in \l{ECMA-262} section 9.2, "ToBoolean".

	Note that if this QScriptValue is an object, calling this function
	has side effects on the script engine, since the engine will call
	the object's valueOf() function (and possibly toString()) in an
	attempt to convert the object to a primitive value (possibly
	resulting in an uncaught script exception).

	\sa isBool()
	*/
	bool QScriptValue::toBool() const
	{
	return d_ptr->toBool();
	}

	/*!
	\obsolete

	Use toBool() instead.
	*/
	bool QScriptValue::toBoolean() const
	{
	return d_ptr->toBool();
	}

	/*!
	Returns the integer value of this QScriptValue, using the conversion
	rules described in \l{ECMA-262} section 9.4, "ToInteger".

	Note that if this QScriptValue is an object, calling this function
	has side effects on the script engine, since the engine will call
	the object's valueOf() function (and possibly toString()) in an
	attempt to convert the object to a primitive value (possibly
	resulting in an uncaught script exception).

	\sa toNumber()
	*/
	qsreal QScriptValue::toInteger() const
	{
	return d_ptr->toInteger();
	}

	/*!
	Returns the signed 32-bit integer value of this QScriptValue, using
	the conversion rules described in \l{ECMA-262} section 9.5, "ToInt32".

	Note that if this QScriptValue is an object, calling this function
	has side effects on the script engine, since the engine will call
	the object's valueOf() function (and possibly toString()) in an
	attempt to convert the object to a primitive value (possibly
	resulting in an uncaught script exception).

	\sa toNumber(), toUInt32()
	*/
	qint32 QScriptValue::toInt32() const
	{
	return d_ptr->toInt32();
	}

	/*!
	Returns the unsigned 32-bit integer value of this QScriptValue, using
	the conversion rules described in \l{ECMA-262} section 9.6, "ToUint32".

	Note that if this QScriptValue is an object, calling this function
	has side effects on the script engine, since the engine will call
	the object's valueOf() function (and possibly toString()) in an
	attempt to convert the object to a primitive value (possibly
	resulting in an uncaught script exception).

	\sa toNumber(), toInt32()
	*/
	quint32 QScriptValue::toUInt32() const
	{
	return d_ptr->toUInt32();
	}

	/*!
	Returns the unsigned 16-bit integer value of this QScriptValue, using
	the conversion rules described in \l{ECMA-262} section 9.7, "ToUint16".

	Note that if this QScriptValue is an object, calling this function
	has side effects on the script engine, since the engine will call
	the object's valueOf() function (and possibly toString()) in an
	attempt to convert the object to a primitive value (possibly
	resulting in an uncaught script exception).

	\sa toNumber()
	*/
	quint16 QScriptValue::toUInt16() const
	{
	return d_ptr->toUInt16();
	}

	/*!
	\obsolete

	This function is obsolete; use QScriptEngine::toObject() instead.
	*/
	QScriptValue QScriptValue::toObject() const
	{
	return QScriptValuePrivate::get(d_ptr->toObject());
	}

	/*!
	Calls this QScriptValue as a function, using \a thisObject as
	the `this' object in the function call, and passing \a args
	as arguments to the function. Returns the value returned from
	the function.

	If this QScriptValue is not a function, call() does nothing
	and returns an invalid QScriptValue.

	Note that if \a thisObject is not an object, the global object
	(see \l{QScriptEngine::globalObject()}) will be used as the
	`this' object.

	Calling call() can cause an exception to occur in the script engine;
	in that case, call() returns the value that was thrown (typically an
	\c{Error} object). You can call
	QScriptEngine::hasUncaughtException() to determine if an exception
	occurred.

	\snippet doc/src/snippets/code/src_script_qscriptvalue.cpp 2

	\sa construct()
	*/
	QScriptValue QScriptValue::call(const QScriptValue& thisObject, const QScriptValueList& args)
	{
	return d_ptr->call(thisObject.d_ptr.data(), args);
	}

	/*!
	Returns the QScriptEngine that created this QScriptValue,
	or 0 if this QScriptValue is invalid or the value is not
	associated with a particular engine.
	*/
	QScriptEngine* QScriptValue::engine() const
	{
	QScriptEnginePrivate* engine = d_ptr->engine();
	if (engine)
	return QScriptEnginePrivate::get(engine);
	return 0;
	}

	/*!
	If this QScriptValue is an object, returns the internal prototype
	(\c{__proto__} property) of this object; otherwise returns an
	invalid QScriptValue.

	\sa setPrototype(), isObject()
	*/
	QScriptValue QScriptValue::prototype() const
	{
	return QScriptValuePrivate::get(d_ptr->prototype());
	}

	/*!
	If this QScriptValue is an object, sets the internal prototype
	(\c{__proto__} property) of this object to be \a prototype;
	otherwise does nothing.

	The internal prototype should not be confused with the public
	property with name "prototype"; the public prototype is usually
	only set on functions that act as constructors.

	\sa prototype(), isObject()
	*/
	void QScriptValue::setPrototype(const QScriptValue& prototype)
	{
	d_ptr->setPrototype(QScriptValuePrivate::get(prototype));
	}

	/*!
	Assigns the \a other value to this QScriptValue.

	Note that if \a other is an object (isObject() returns true),
	only a reference to the underlying object will be assigned;
	the object itself will not be copied.
	*/
	QScriptValue& QScriptValue::operator=(const QScriptValue& other)
	{
	d_ptr = other.d_ptr;
	return *this;
	}

	/*!
	Returns true if this QScriptValue is equal to \a other, otherwise
	returns false. The comparison follows the behavior described in
	\l{ECMA-262} section 11.9.3, "The Abstract Equality Comparison
	Algorithm".

	This function can return true even if the type of this QScriptValue
	is different from the type of the \a other value; i.e. the
	comparison is not strict. For example, comparing the number 9 to
	the string "9" returns true; comparing an undefined value to a null
	value returns true; comparing a \c{Number} object whose primitive
	value is 6 to a \c{String} object whose primitive value is "6"
	returns true; and comparing the number 1 to the boolean value
	\c{true} returns true. If you want to perform a comparison
	without such implicit value conversion, use strictlyEquals().

	Note that if this QScriptValue or the \a other value are objects,
	calling this function has side effects on the script engine, since
	the engine will call the object's valueOf() function (and possibly
	toString()) in an attempt to convert the object to a primitive value
	(possibly resulting in an uncaught script exception).

	\sa strictlyEquals(), lessThan()
	*/
	bool QScriptValue::equals(const QScriptValue& other) const
	{
	return d_ptr->equals(QScriptValuePrivate::get(other));
	}

	/*!
	Returns true if this QScriptValue is equal to \a other using strict
	comparison (no conversion), otherwise returns false. The comparison
	follows the behavior described in \l{ECMA-262} section 11.9.6, "The
	Strict Equality Comparison Algorithm".

	If the type of this QScriptValue is different from the type of the
	\a other value, this function returns false. If the types are equal,
	the result depends on the type, as shown in the following table:

	\table
	\header \o Type \o Result
	\row \o Undefined \o true
	\row \o Null \o true
	\row \o Boolean \o true if both values are true, false otherwise
	\row \o Number \o false if either value is NaN (Not-a-Number); true if values are equal, false otherwise
	\row \o String \o true if both values are exactly the same sequence of characters, false otherwise
	\row \o Object \o true if both values refer to the same object, false otherwise
	\endtable

	\sa equals()
	*/
	bool QScriptValue::strictlyEquals(const QScriptValue& other) const
	{
	return d_ptr->strictlyEquals(QScriptValuePrivate::get(other));
	}

	/*!
	Returns true if this QScriptValue is an instance of
	\a other; otherwise returns false.

	This QScriptValue is considered to be an instance of \a other if
	\a other is a function and the value of the \c{prototype}
	property of \a other is in the prototype chain of this
	QScriptValue.
	*/
	bool QScriptValue::instanceOf(const QScriptValue& other) const
	{
	return d_ptr->instanceOf(QScriptValuePrivate::get(other));
	}

	/*!
	Returns the value of this QScriptValue's property with the given \a name,
	using the given \a mode to resolve the property.

	If no such property exists, an invalid QScriptValue is returned.

	If the property is implemented using a getter function (i.e. has the
	PropertyGetter flag set), calling property() has side-effects on the
	script engine, since the getter function will be called (possibly
	resulting in an uncaught script exception). If an exception
	occurred, property() returns the value that was thrown (typically
	an \c{Error} object).

	\sa setProperty(), propertyFlags(), QScriptValueIterator
	*/
	QScriptValue QScriptValue::property(const QString& name, const ResolveFlags& mode) const
	{
	return QScriptValuePrivate::get(d_ptr->property(name, mode));
	}

	/*!
	\overload

	Returns the property at the given \a arrayIndex, using the given \a
	mode to resolve the property.

	This function is provided for convenience and performance when
	working with array objects.

	If this QScriptValue is not an Array object, this function behaves
	as if property() was called with the string representation of \a
	arrayIndex.
	*/
	QScriptValue QScriptValue::property(quint32 arrayIndex, const ResolveFlags& mode) const
	{
	return QScriptValuePrivate::get(d_ptr->property(arrayIndex, mode));
	}