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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtScript module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL-ONLY$
** GNU Lesser General Public License Usage
** 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.
**
** If you have questions regarding the use of this file, please contact
** us via http://www.qt.io/contact-us/.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSCRIPTOBJECT_P_H
#define QSCRIPTOBJECT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qobjectdefs.h>
#include "JSObject.h"
QT_BEGIN_NAMESPACE
class QScriptObjectDelegate;
class QScriptObject : public JSC::JSObject
{
public:
// work around CELL_SIZE limitation
struct Data
{
JSC::JSValue data; // QScriptValue::data
QScriptObjectDelegate *delegate;
bool isMarking; // recursion guard
Data() : delegate(0), isMarking(false) {}
~Data();
};
explicit QScriptObject(WTF::PassRefPtr<JSC::Structure> sid);
virtual ~QScriptObject();
virtual bool getOwnPropertySlot(JSC::ExecState*,
const JSC::Identifier& propertyName,
JSC::PropertySlot&);
virtual bool getOwnPropertyDescriptor(JSC::ExecState*, const JSC::Identifier&, JSC::PropertyDescriptor&);
virtual void put(JSC::ExecState* exec, const JSC::Identifier& propertyName,
JSC::JSValue, JSC::PutPropertySlot&);
virtual bool deleteProperty(JSC::ExecState*,
const JSC::Identifier& propertyName);
virtual void getOwnPropertyNames(JSC::ExecState*, JSC::PropertyNameArray&,
JSC::EnumerationMode mode = JSC::ExcludeDontEnumProperties);
virtual void markChildren(JSC::MarkStack& markStack);
virtual JSC::CallType getCallData(JSC::CallData&);
virtual JSC::ConstructType getConstructData(JSC::ConstructData&);
virtual bool hasInstance(JSC::ExecState*, JSC::JSValue value, JSC::JSValue proto);
virtual bool compareToObject(JSC::ExecState*, JSC::JSObject*);
virtual const JSC::ClassInfo* classInfo() const { return &info; }
static const JSC::ClassInfo info;
static WTF::PassRefPtr<JSC::Structure> createStructure(JSC::JSValue prototype)
{
return JSC::Structure::create(prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags));
}
inline JSC::JSValue data() const;
inline void setData(JSC::JSValue data);
inline QScriptObjectDelegate *delegate() const;
inline void setDelegate(QScriptObjectDelegate *delegate);
protected:
static const unsigned StructureFlags = JSC::ImplementsHasInstance | JSC::OverridesHasInstance | JSC::OverridesGetOwnPropertySlot | JSC::OverridesMarkChildren | JSC::OverridesGetPropertyNames | JSObject::StructureFlags;
Data *d;
};
class QScriptObjectPrototype : public QScriptObject
{
public:
QScriptObjectPrototype(JSC::ExecState*, WTF::PassRefPtr<JSC::Structure>,
JSC::Structure* prototypeFunctionStructure);
};
class QScriptObjectDelegate
{
public:
enum Type {
QtObject,
Variant,
ClassObject,
DeclarativeClassObject
};
QScriptObjectDelegate();
virtual ~QScriptObjectDelegate();
virtual Type type() const = 0;
virtual bool getOwnPropertySlot(QScriptObject*, JSC::ExecState*,
const JSC::Identifier& propertyName,
JSC::PropertySlot&);
virtual bool getOwnPropertyDescriptor(QScriptObject*, JSC::ExecState*,
const JSC::Identifier& propertyName,
JSC::PropertyDescriptor&);
virtual void put(QScriptObject*, JSC::ExecState* exec, const JSC::Identifier& propertyName,
JSC::JSValue, JSC::PutPropertySlot&);
virtual bool deleteProperty(QScriptObject*, JSC::ExecState*,
const JSC::Identifier& propertyName);
virtual void getOwnPropertyNames(QScriptObject*, JSC::ExecState*, JSC::PropertyNameArray&,
JSC::EnumerationMode mode = JSC::ExcludeDontEnumProperties);
virtual void markChildren(QScriptObject*, JSC::MarkStack& markStack);
virtual JSC::CallType getCallData(QScriptObject*, JSC::CallData&);
virtual JSC::ConstructType getConstructData(QScriptObject*, JSC::ConstructData&);
virtual bool hasInstance(QScriptObject*, JSC::ExecState*,
JSC::JSValue value, JSC::JSValue proto);
virtual bool compareToObject(QScriptObject*, JSC::ExecState*, JSC::JSObject*);
private:
Q_DISABLE_COPY(QScriptObjectDelegate)
};
inline JSC::JSValue QScriptObject::data() const
{
if (!d)
return JSC::JSValue();
return d->data;
}
inline void QScriptObject::setData(JSC::JSValue data)
{
if (!d)
d = new Data();
d->data = data;
}
inline QScriptObjectDelegate *QScriptObject::delegate() const
{
if (!d)
return 0;
return d->delegate;
}
inline void QScriptObject::setDelegate(QScriptObjectDelegate *delegate)
{
if (!d)
d = new Data();
else
delete d->delegate;
d->delegate = delegate;
}
QT_END_NAMESPACE
#endif
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