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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QV4DATACOLLECTOR_H
#define QV4DATACOLLECTOR_H
#include <private/qv4engine_p.h>
#include <private/qv4persistent_p.h>
#include <QtCore/QJsonObject>
#include <QtCore/QJsonArray>
#include <QtCore/QJsonObject>
#include <QtCore/QJsonArray>
QT_BEGIN_NAMESPACE
class QV4Debugger;
class QV4DataCollector
{
public:
typedef uint Ref;
typedef QVector<uint> Refs;
static QV4::Heap::ExecutionContext *findScope(QV4::Heap::ExecutionContext *ctxt, int scope);
static int encodeScopeType(QV4::Heap::ExecutionContext::ContextType scopeType);
QVector<QV4::Heap::ExecutionContext::ContextType> getScopeTypes(int frame);
QV4::Heap::ExecutionContext *findContext(int frame);
QV4::CppStackFrame *findFrame(int frame);
QV4DataCollector(QV4::ExecutionEngine *engine);
Ref collect(const QV4::ScopedValue &value); // only for redundantRefs
Ref addFunctionRef(const QString &functionName); // only for namesAsObjects
Ref addScriptRef(const QString &scriptName); // only for namesAsObjects
void setNamesAsObjects(bool namesAsObjects) { m_namesAsObjects = namesAsObjects; }
bool namesAsObjects() const { return m_namesAsObjects; }
void setRedundantRefs(bool redundantRefs) { m_redundantRefs = redundantRefs; }
bool redundantRefs() const { return m_redundantRefs; }
bool isValidRef(Ref ref) const;
QJsonObject lookupRef(Ref ref, bool deep);
bool collectScope(QJsonObject *dict, int frameNr, int scopeNr);
QJsonObject buildFrame(const QV4::StackFrame &stackFrame, int frameNr);
QV4::ExecutionEngine *engine() const { return m_engine; }
QJsonArray flushCollectedRefs(); // only for redundantRefs
void clear();
private:
Ref addRef(QV4::Value value, bool deduplicate = true);
QV4::ReturnedValue getValue(Ref ref);
bool lookupSpecialRef(Ref ref, QJsonObject *dict); // only for namesAsObjects
QJsonArray collectProperties(const QV4::Object *object);
QJsonObject collectAsJson(const QString &name, const QV4::ScopedValue &value);
void collectArgumentsInContext();
QV4::ExecutionEngine *m_engine;
Refs m_collectedRefs; // only for redundantRefs
QV4::PersistentValue m_values;
typedef QHash<Ref, QJsonObject> SpecialRefs; // only for namesAsObjects
SpecialRefs m_specialRefs; // only for namesAsObjects
bool m_namesAsObjects;
bool m_redundantRefs;
};
QT_END_NAMESPACE
#endif // QV4DATACOLLECTOR_H
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