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/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** 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 Digia.  For licensing terms and
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** conditions see http://www.qt.io/licensing.  For further information
** use the contact form at http://www.qt.io/contact-us.
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**
** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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****************************************************************************/
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#ifndef QMLENGINE_H
#define QMLENGINE_H
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#include "interactiveinterpreter.h"
#include "qmladapter.h"
#include "qmlinspectoradapter.h"
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#include <debugger/debuggerengine.h>
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#include <projectexplorer/applicationlauncher.h>
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#include <qmldebug/qdebugmessageclient.h>
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#include <qmldebug/qmloutputparser.h>
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#include <qmljs/iscriptevaluator.h>
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#include <QTextDocument>
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namespace Core { class IDocument; }
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namespace Debugger {
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namespace Internal {
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class QmlAdapter;
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class WatchTreeView;
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class QmlEngine : public DebuggerEngine, QmlJS::IScriptEvaluator
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{
    Q_OBJECT

public:
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    explicit QmlEngine(const DebuggerStartParameters &startParameters,
                       DebuggerEngine *masterEngine = 0);
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    ~QmlEngine();
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    void notifyInferiorSetupOk();
    void notifyEngineRemoteServerRunning(const QByteArray &, int pid);
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    void notifyEngineRemoteSetupFinished(const RemoteSetupResult &result);
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    bool canDisplayTooltip() const;
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    void showMessage(const QString &msg, int channel = LogDebug,
                     int timeout = -1) const;
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    void gotoLocation(const Internal::Location &location);

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    void filterApplicationMessage(const QString &msg, int channel);
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    void inferiorSpontaneousStop();

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    enum LogDirection {
        LogSend,
        LogReceive
    };

    void logMessage(const QString &service, LogDirection direction,
                    const QString &str);
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    void setSourceFiles(const QStringList &fileNames);
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    void updateScriptSource(const QString &fileName, int lineOffset,
                            int columnOffset, const QString &source);
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    void insertBreakpoint(BreakpointModelId id);

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signals:
    void tooltipRequested(const QPoint &mousePos,
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        TextEditor::TextEditorWidget *editorWidget, int cursorPos);
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    void aboutToNotifyInferiorSetupOk();
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private slots:
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    void disconnected();
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    void documentUpdated(QmlJS::Document::Ptr doc);
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    void expressionEvaluated(quint32 queryId, const QVariant &result);
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    void errorMessageBoxFinished(int result);
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    void updateCurrentContext();
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    void appendDebugOutput(QtMsgType type, const QString &message,
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                           const QmlDebug::QDebugContextInfo &info);
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    void tryToConnect(quint16 port = 0);
    void beginConnection(quint16 port = 0);
    void connectionEstablished();
    void connectionStartupFailed();
    void appStartupFailed(const QString &errorMessage);
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    void connectionError(QDebugSupport::Error error);
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    void serviceConnectionError(const QString &service);
    void appendMessage(const QString &msg, Utils::OutputFormat);

    void synchronizeWatchers();

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private:
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    // DebuggerEngine implementation.
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    bool isSynchronous() const { return false; }
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    void executeStep();
    void executeStepOut();
    void executeNext();
    void executeStepI();
    void executeNextI();

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    void setupEngine();
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    void setupInferior();
    void runEngine();
    void shutdownInferior();
    void shutdownEngine();

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    bool setToolTipExpression(TextEditor::TextEditorWidget *editorWidget,
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        const DebuggerToolTipContext &);
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    void continueInferior();
    void interruptInferior();

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    void executeRunToLine(const ContextData &data);
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    void executeRunToFunction(const QString &functionName);
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    void executeJumpToLine(const ContextData &data);
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    void activateFrame(int index);
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    void selectThread(ThreadId threadId);
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    void attemptBreakpointSynchronization();
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    void removeBreakpoint(BreakpointModelId id);
    void changeBreakpoint(BreakpointModelId id);
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    bool acceptsBreakpoint(BreakpointModelId id) const;
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    void assignValueInDebugger(const WatchData *data,
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        const QString &expr, const QVariant &value);
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    void loadSymbols(const QString &moduleName);
    void loadAllSymbols();
    void requestModuleSymbols(const QString &moduleName);
    void reloadModules();
    void reloadRegisters() {}
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    void reloadSourceFiles();
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    void reloadFullStack() {}

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    bool supportsThreads() const { return false; }
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    void updateWatchData(const WatchData &data,
        const WatchUpdateFlags &flags);
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    void watchDataSelected(const QByteArray &iname);
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    void executeDebuggerCommand(const QString &command, DebuggerLanguages languages);
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    bool evaluateScript(const QString &expression);
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    bool hasCapability(unsigned) const;
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    void quitDebugger();
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private:
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    void closeConnection();
    void startApplicationLauncher();
    void stopApplicationLauncher();

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    bool isShadowBuildProject() const;
    QString fromShadowBuildFilename(const QString &filename) const;
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    QString mangleFilenamePaths(const QString &filename,
        const QString &oldBasePath, const QString &newBasePath) const;
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    QString qmlImportPath() const;

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    void updateDocument(Core::IDocument *document, const QTextDocument *textDocument);
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    bool canEvaluateScript(const QString &script);
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    bool adjustBreakpointLineAndColumn(const QString &filePath, quint32 *line,
                                       quint32 *column, bool *valid);
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    QmlAdapter m_adapter;
    QmlInspectorAdapter m_inspectorAdapter;
    ProjectExplorer::ApplicationLauncher m_applicationLauncher;
    QTimer m_noDebugOutputTimer;
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    QmlDebug::QmlOutputParser m_outputParser;
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    QHash<QString, QTextDocument*> m_sourceDocuments;
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    QHash<QString, QWeakPointer<TextEditor::BaseTextEditor> > m_sourceEditors;
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    InteractiveInterpreter m_interpreter;
    QHash<QString,BreakpointModelId> pendingBreakpoints;
    QList<quint32> queryIds;
    bool m_retryOnConnectFail;
    bool m_automaticConnect;

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    friend class QmlCppEngine;
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};

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} // namespace Internal
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} // namespace Debugger

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#endif // QMLENGINE_H