qv4debugjob.h

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qv4debugjob.h

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/****************************************************************************

** 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 QV4DEBUGJOB_H

#define QV4DEBUGJOB_H

#include "qv4datacollector.h"

#include <private/qv4engine_p.h>

#include <QtCore/qjsonarray.h>

#include <QtCore/qjsonobject.h>

QT_BEGIN_NAMESPACE

class QV4DataCollector;

class QV4DebugJob

{

public:

virtual ~QV4DebugJob();

virtual void run() = 0;

};

class JavaScriptJob : public QV4DebugJob

{

QV4::ExecutionEngine *engine;

int frameNr;

int context;

const QString &script;

bool resultIsException;

public:

JavaScriptJob(QV4::ExecutionEngine *engine, int frameNr, int context, const QString &script);

void run() override;

bool hasExeption() const;

protected:

virtual void handleResult(QV4::ScopedValue &result) = 0;

};

class CollectJob : public QV4DebugJob

{

protected:

QV4DataCollector *collector;

QJsonObject result;

QJsonArray collectedRefs; // only for redundantRefs

void flushRedundantRefs()

{

if (collector->redundantRefs())

collector->redundantRefs()	Description
TRUE	evaluated 98 times by 1 test Evaluated by: tst_qv4debugger
FALSE	evaluated 74 times by 1 test Evaluated by: tst_qv4debugger

74-98

collectedRefs = collector->flushCollectedRefs();

executed 98 times by 1 test: collectedRefs = collector->flushCollectedRefs();

Executed by:

tst_qv4debugger

}

executed 172 times by 1 test: end of block

Executed by:

tst_qv4debugger

172

public:

CollectJob(QV4DataCollector *collector) : collector(collector) {}

executed 174 times by 1 test: end of block

Executed by:

tst_qv4debugger

174

const QJsonObject &returnValue() const { return result; }

executed 172 times by 1 test: return result;

Executed by:

tst_qv4debugger

172

// TODO: Drop this method once we don't need to support redundantRefs anymore

const QJsonArray &refs() const

{

Q_ASSERT(collector->redundantRefs());

return collectedRefs;

never executed: return collectedRefs;

}

};

100

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class BacktraceJob: public CollectJob

{

int fromFrame;

int toFrame;

public:

BacktraceJob(QV4DataCollector *collector, int fromFrame, int toFrame);

void run() override;

};

class FrameJob: public CollectJob

{

int frameNr;

bool success;

public:

FrameJob(QV4DataCollector *collector, int frameNr);

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void run() override;

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bool wasSuccessful() const;

119

};

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class ScopeJob: public CollectJob

{

int frameNr;

int scopeNr;

bool success;

public:

ScopeJob(QV4DataCollector *collector, int frameNr, int scopeNr);

129

void run() override;

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bool wasSuccessful() const;

131

};

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class ValueLookupJob: public CollectJob

134

{

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const QJsonArray handles;

QString exception;

public:

ValueLookupJob(const QJsonArray &handles, QV4DataCollector *collector);

140

void run() override;

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const QString &exceptionMessage() const;

142

};

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class ExpressionEvalJob: public JavaScriptJob

145

{

146

QV4DataCollector *collector;

147

QString exception;

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QJsonObject result;

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QJsonArray collectedRefs; // only for redundantRefs

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public:

152

ExpressionEvalJob(QV4::ExecutionEngine *engine, int frameNr, int context,

153

const QString &expression, QV4DataCollector *collector);

154

void handleResult(QV4::ScopedValue &value) override;

155

const QString &exceptionMessage() const;

156

const QJsonObject &returnValue() const;

157

const QJsonArray &refs() const; // only for redundantRefs

158

};

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class GatherSourcesJob: public QV4DebugJob

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{

162

QV4::ExecutionEngine *engine;

QStringList sources;

public:

GatherSourcesJob(QV4::ExecutionEngine *engine);

167

void run() override;

168

const QStringList &result() const;

169

};

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class EvalJob: public JavaScriptJob

{

bool result;

public:

EvalJob(QV4::ExecutionEngine *engine, const QString &script);

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void handleResult(QV4::ScopedValue &result) override;

179

bool resultAsBoolean() const;

};

QT_END_NAMESPACE

#endif // QV4DEBUGJOB_H

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