qv4debugjob.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant
 
#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;
 
public:
    CollectJob(QV4DataCollector *collector) : collector(collector) {}
    const QJsonObject &returnValue() const { return result; }
};
 
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);
    void run() override;
    bool wasSuccessful() const;
};
 
class ScopeJob: public CollectJob
{
    int frameNr;
    int scopeNr;
    bool success;
 
public:
    ScopeJob(QV4DataCollector *collector, int frameNr, int scopeNr);
    void run() override;
    bool wasSuccessful() const;
};
 
class ValueLookupJob: public CollectJob
{
    const QJsonArray handles;
    QString exception;
 
public:
    ValueLookupJob(const QJsonArray &handles, QV4DataCollector *collector);
    void run() override;
    const QString &exceptionMessage() const;
};
 
class ExpressionEvalJob: public JavaScriptJob
{
    QV4DataCollector *collector;
    QString exception;
    QJsonObject result;
 
public:
    ExpressionEvalJob(QV4::ExecutionEngine *engine, int frameNr, int context,
                      const QString &expression, QV4DataCollector *collector);
    void handleResult(QV4::ScopedValue &value) override;
    const QString &exceptionMessage() const;
    const QJsonObject &returnValue() const;
};
 
class GatherSourcesJob: public QV4DebugJob
{
    QV4::ExecutionEngine *engine;
    QStringList sources;
 
public:
    GatherSourcesJob(QV4::ExecutionEngine *engine);
    void run() override;
    const QStringList &result() const;
};
 
class EvalJob: public JavaScriptJob
{
    bool result;
 
public:
    EvalJob(QV4::ExecutionEngine *engine, const QString &script);
 
    void handleResult(QV4::ScopedValue &result) override;
    bool resultAsBoolean() const;
};
 
QT_END_NAMESPACE
 
#endif // QV4DEBUGJOB_H