Mac-4.7.4/src/scripttools/debugging/qscriptdebuggerconsole.cpp - platform/external/qt - Git at Google

 /****************************************************************************
 **
 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtSCriptTools module of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** 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.
 **
 ** In addition, as a special exception, Nokia gives you certain additional
 ** rights. These rights are described in the Nokia Qt LGPL Exception
 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU General
 ** Public License version 3.0 as published by the Free Software Foundation
 ** and appearing in the file LICENSE.GPL included in the packaging of this
 ** file. Please review the following information to ensure the GNU General
 ** Public License version 3.0 requirements will be met:
 ** http://www.gnu.org/copyleft/gpl.html.
 **
 ** Other Usage
 ** Alternatively, this file may be used in accordance with the terms and
 ** conditions contained in a signed written agreement between you and Nokia.
 **
 **
 **
 **
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include "qscriptdebuggerconsole_p.h"
 #include "qscriptdebuggerconsolecommandjob_p.h"
 #include "qscriptdebuggerconsolecommandmanager_p.h"
 #include "qscriptdebuggerscriptedconsolecommand_p.h"
 #include "qscriptmessagehandlerinterface_p.h"
 #include "qscriptbreakpointdata_p.h"
 #include "qscriptdebuggerresponse_p.h"
 #include "qscriptdebuggervalueproperty_p.h"
 #include "qscriptscriptdata_p.h"

 #include <QtCore/qdir.h>
 #include <QtCore/qfileinfo.h>
 #include <QtCore/qstring.h>
 #include <QtCore/qstringlist.h>
 #include <QtCore/qdebug.h>
 #include <QtScript/qscriptcontextinfo.h>
 #include <QtScript/qscriptengine.h>

 Q_DECLARE_METATYPE(QScriptDebuggerResponse)
 Q_DECLARE_METATYPE(QScriptBreakpointData)
 Q_DECLARE_METATYPE(QScriptBreakpointMap)
 Q_DECLARE_METATYPE(QScriptScriptData)
 Q_DECLARE_METATYPE(QScriptScriptMap)
 Q_DECLARE_METATYPE(QScriptContextInfo)
 Q_DECLARE_METATYPE(QScriptDebuggerValue)
 Q_DECLARE_METATYPE(QScriptDebuggerValueProperty)
 Q_DECLARE_METATYPE(QScriptDebuggerValuePropertyList)
 Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommand*)
 Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandList)
 Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandGroupData)
 Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandGroupMap)

 QT_BEGIN_NAMESPACE

 static QScriptValue debuggerResponseToScriptValue(QScriptEngine *eng, const QScriptDebuggerResponse &in)
 {
     QScriptValue out = eng->newObject();
     out.setProperty(QString::fromLatin1("result"), qScriptValueFromValue(eng, in.result()));
     out.setProperty(QString::fromLatin1("error"), QScriptValue(eng, in.error()));
     out.setProperty(QString::fromLatin1("async"), QScriptValue(eng, in.async()));
     return out;
 }

 static void debuggerResponseFromScriptValue(const QScriptValue &, QScriptDebuggerResponse &)
 {
     Q_ASSERT(0);
 }

 static QScriptValue breakpointDataToScriptValue(QScriptEngine *eng, const QScriptBreakpointData &in)
 {
     QScriptValue out = eng->newObject();
     out.setProperty(QString::fromLatin1("scriptId"), QScriptValue(eng, qsreal(in.scriptId())));
     out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
     out.setProperty(QString::fromLatin1("lineNumber"), QScriptValue(eng, in.lineNumber()));
     out.setProperty(QString::fromLatin1("enabled"), QScriptValue(eng, in.isEnabled()));
     out.setProperty(QString::fromLatin1("singleShot"), QScriptValue(eng, in.isSingleShot()));
     out.setProperty(QString::fromLatin1("ignoreCount"), QScriptValue(eng, in.ignoreCount()));
     out.setProperty(QString::fromLatin1("condition"), QScriptValue(eng, in.condition()));
     return out;
 }

 static void breakpointDataFromScriptValue(const QScriptValue &in, QScriptBreakpointData &out)
 {
     QScriptValue scriptId = in.property(QString::fromLatin1("scriptId"));
     if (scriptId.isValid())
         out.setScriptId((qint64)scriptId.toNumber());
     out.setFileName(in.property(QString::fromLatin1("fileName")).toString());
     out.setLineNumber(in.property(QString::fromLatin1("lineNumber")).toInt32());
     QScriptValue enabled = in.property(QString::fromLatin1("enabled"));
     if (enabled.isValid())
         out.setEnabled(enabled.toBoolean());
     QScriptValue singleShot = in.property(QString::fromLatin1("singleShot"));
     if (singleShot.isValid())
         out.setSingleShot(singleShot.toBoolean());
     out.setIgnoreCount(in.property(QString::fromLatin1("ignoreCount")).toInt32());
     out.setCondition(in.property(QString::fromLatin1("condition")).toString());
 }

 static QScriptValue breakpointMapToScriptValue(QScriptEngine *eng, const QScriptBreakpointMap &in)
 {
     QScriptValue out = eng->newObject();
     QScriptBreakpointMap::const_iterator it;
     for (it = in.constBegin(); it != in.constEnd(); ++it) {
         out.setProperty(QString::number(it.key()), qScriptValueFromValue(eng, it.value()));
     }
     return out;
 }

 static void breakpointMapFromScriptValue(const QScriptValue &, QScriptBreakpointMap &)
 {
     Q_ASSERT(0);
 }

 static QScriptValue scriptDataToScriptValue(QScriptEngine *eng, const QScriptScriptData &in)
 {
     QScriptValue out = eng->newObject();
     out.setProperty(QString::fromLatin1("contents"), QScriptValue(eng, in.contents()));
     out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
     out.setProperty(QString::fromLatin1("baseLineNumber"), QScriptValue(eng, in.baseLineNumber()));
     return out;
 }

 static void scriptDataFromScriptValue(const QScriptValue &in, QScriptScriptData &out)
 {
     QString contents = in.property(QString::fromLatin1("contents")).toString();
     QString fileName = in.property(QString::fromLatin1("fileName")).toString();
     int baseLineNumber = in.property(QString::fromLatin1("baseLineNumber")).toInt32();
     QScriptScriptData tmp(contents, fileName, baseLineNumber);
     out = tmp;
 }

 static QScriptValue scriptMapToScriptValue(QScriptEngine *eng, const QScriptScriptMap &in)
 {
     QScriptValue out = eng->newObject();
     QScriptScriptMap::const_iterator it;
     for (it = in.constBegin(); it != in.constEnd(); ++it) {
         out.setProperty(QString::number(it.key()), qScriptValueFromValue(eng, it.value()));
     }
     return out;
 }

 static void scriptMapFromScriptValue(const QScriptValue &, QScriptScriptMap &)
 {
     Q_ASSERT(0);
 }

 static QScriptValue consoleCommandToScriptValue(
     QScriptEngine *eng, QScriptDebuggerConsoleCommand* const &in)
 {
     if (!in)
         return eng->undefinedValue();
     QScriptValue out = eng->newObject();
     out.setProperty(QString::fromLatin1("name"), QScriptValue(eng, in->name()));
     out.setProperty(QString::fromLatin1("group"), QScriptValue(eng, in->group()));
     out.setProperty(QString::fromLatin1("shortDescription"), QScriptValue(eng, in->shortDescription()));
     out.setProperty(QString::fromLatin1("longDescription"), QScriptValue(eng, in->longDescription()));
     out.setProperty(QString::fromLatin1("aliases"), qScriptValueFromValue(eng, in->aliases()));
     out.setProperty(QString::fromLatin1("seeAlso"), qScriptValueFromValue(eng, in->seeAlso()));
     return out;
 }

 static void consoleCommandFromScriptValue(
     const QScriptValue &, QScriptDebuggerConsoleCommand* &)
 {
     Q_ASSERT(0);
 }

 static QScriptValue consoleCommandGroupDataToScriptValue(
     QScriptEngine *eng, const QScriptDebuggerConsoleCommandGroupData &in)
 {
     QScriptValue out = eng->newObject();
     out.setProperty(QString::fromLatin1("longDescription"), QScriptValue(eng, in.longDescription()));
     out.setProperty(QString::fromLatin1("shortDescription"), QScriptValue(eng, in.shortDescription()));
     return out;
 }

 static void consoleCommandGroupDataFromScriptValue(
     const QScriptValue &, QScriptDebuggerConsoleCommandGroupData &)
 {
     Q_ASSERT(0);
 }

 static QScriptValue consoleCommandGroupMapToScriptValue(
     QScriptEngine *eng, const QScriptDebuggerConsoleCommandGroupMap &in)
 {
     QScriptValue out = eng->newObject();
     QScriptDebuggerConsoleCommandGroupMap::const_iterator it;
     for (it = in.constBegin(); it != in.constEnd(); ++it) {
         out.setProperty(it.key(), qScriptValueFromValue(eng, it.value()));
     }
     return out;
 }

 static void consoleCommandGroupMapFromScriptValue(
     const QScriptValue &, QScriptDebuggerConsoleCommandGroupMap &)
 {
     Q_ASSERT(0);
 }

 static QScriptValue contextInfoToScriptValue(QScriptEngine *eng, const QScriptContextInfo &in)
 {
     QScriptValue out = eng->newObject();
     out.setProperty(QString::fromLatin1("scriptId"), QScriptValue(eng, qsreal(in.scriptId())));
     out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
     out.setProperty(QString::fromLatin1("lineNumber"), QScriptValue(eng, in.lineNumber()));
     out.setProperty(QString::fromLatin1("columnNumber"), QScriptValue(eng, in.columnNumber()));
     out.setProperty(QString::fromLatin1("functionName"), QScriptValue(eng, in.functionName()));
     return out;
 }

 static void contextInfoFromScriptValue(const QScriptValue &, QScriptContextInfo &)
 {
     Q_ASSERT(0);
 }

 static QScriptValue debuggerScriptValuePropertyToScriptValue(QScriptEngine *eng, const QScriptDebuggerValueProperty &in)
 {
     QScriptValue out = eng->newObject();
     out.setProperty(QString::fromLatin1("name"), QScriptValue(eng, in.name()));
     out.setProperty(QString::fromLatin1("value"), qScriptValueFromValue(eng, in.value()));
     out.setProperty(QString::fromLatin1("valueAsString"), QScriptValue(eng, in.valueAsString()));
     out.setProperty(QString::fromLatin1("flags"), QScriptValue(eng, static_cast<int>(in.flags())));
     return out;
 }

 static void debuggerScriptValuePropertyFromScriptValue(const QScriptValue &in, QScriptDebuggerValueProperty &out)
 {
     QString name = in.property(QString::fromLatin1("name")).toString();
     QScriptDebuggerValue value = qscriptvalue_cast<QScriptDebuggerValue>(in.property(QString::fromLatin1("value")));
     QString valueAsString = in.property(QString::fromLatin1("valueAsString")).toString();
     int flags = in.property(QString::fromLatin1("flags")).toInt32();
     QScriptDebuggerValueProperty tmp(name, value, valueAsString, QScriptValue::PropertyFlags(flags));
     out = tmp;
 }

 /*!
   \since 4.5
   \class QScriptDebuggerConsole
   \internal

   \brief The QScriptDebuggerConsole class provides the core functionality of a debugger console.
 */

 class QScriptDebuggerConsolePrivate
 {
     Q_DECLARE_PUBLIC(QScriptDebuggerConsole)
 public:
     QScriptDebuggerConsolePrivate(QScriptDebuggerConsole*);
     ~QScriptDebuggerConsolePrivate();

     void loadScriptedCommands(const QString &scriptsPath,
                               QScriptMessageHandlerInterface *messageHandler);
     QScriptDebuggerConsoleCommandJob *createJob(
         const QString &command,
         QScriptMessageHandlerInterface *messageHandler,
         QScriptDebuggerCommandSchedulerInterface *commandScheduler);

     QScriptEngine *commandEngine;
     QScriptDebuggerConsoleCommandManager *commandManager;
     QString commandPrefix;
     QString input;
     QStringList commandHistory;
     int currentFrameIndex;
     qint64 currentScriptId;
     int currentLineNumber;
     int evaluateAction;
     qint64 sessionId;

     QScriptDebuggerConsole *q_ptr;
 };

 QScriptDebuggerConsolePrivate::QScriptDebuggerConsolePrivate(QScriptDebuggerConsole* parent)
     : q_ptr(parent)
 {
     sessionId = 0;
     currentFrameIndex = 0;
     currentScriptId = -1;
     currentLineNumber = -1;
     evaluateAction = 0;
     commandPrefix = QLatin1String(".");
     commandManager = new QScriptDebuggerConsoleCommandManager();

     commandEngine = new QScriptEngine;
     qScriptRegisterMetaType<QScriptBreakpointData>(commandEngine, breakpointDataToScriptValue, breakpointDataFromScriptValue);
     qScriptRegisterMetaType<QScriptBreakpointMap>(commandEngine, breakpointMapToScriptValue, breakpointMapFromScriptValue);
     qScriptRegisterMetaType<QScriptScriptData>(commandEngine, scriptDataToScriptValue, scriptDataFromScriptValue);
     qScriptRegisterMetaType<QScriptScriptMap>(commandEngine, scriptMapToScriptValue, scriptMapFromScriptValue);
     qScriptRegisterMetaType<QScriptContextInfo>(commandEngine, contextInfoToScriptValue, contextInfoFromScriptValue);
     qScriptRegisterMetaType<QScriptDebuggerValueProperty>(commandEngine, debuggerScriptValuePropertyToScriptValue, debuggerScriptValuePropertyFromScriptValue);
     qScriptRegisterSequenceMetaType<QScriptDebuggerValuePropertyList>(commandEngine);
     qScriptRegisterMetaType<QScriptDebuggerResponse>(commandEngine, debuggerResponseToScriptValue, debuggerResponseFromScriptValue);
     qScriptRegisterMetaType<QScriptDebuggerConsoleCommand*>(commandEngine, consoleCommandToScriptValue, consoleCommandFromScriptValue);
     qScriptRegisterSequenceMetaType<QScriptDebuggerConsoleCommandList>(commandEngine);
     qScriptRegisterMetaType<QScriptDebuggerConsoleCommandGroupData>(commandEngine, consoleCommandGroupDataToScriptValue, consoleCommandGroupDataFromScriptValue);
     qScriptRegisterMetaType<QScriptDebuggerConsoleCommandGroupMap>(commandEngine, consoleCommandGroupMapToScriptValue, consoleCommandGroupMapFromScriptValue);
 // ### can't do this, if it's an object ID the conversion will be incorrect since
 // ### the object ID refers to an object in a different engine!
 //    qScriptRegisterMetaType(commandEngine, debuggerScriptValueToScriptValue, debuggerScriptValueFromScriptValue);
 }

 QScriptDebuggerConsolePrivate::~QScriptDebuggerConsolePrivate()
 {
     delete commandManager;
     delete commandEngine;
 }

 /*!
   Loads command definitions from scripts located in the given \a scriptsPath.
 */
 void QScriptDebuggerConsolePrivate::loadScriptedCommands(
     const QString &scriptsPath,
     QScriptMessageHandlerInterface *messageHandler)
 {
     QDir dir(scriptsPath);
     QFileInfoList entries = dir.entryInfoList(QStringList()
                                               << QLatin1String("*.qs"));
     for (int i = 0; i < entries.size(); ++i) {
         const QFileInfo &fi = entries.at(i);
         QString fileName = fi.fileName();
         QFile file(scriptsPath + QLatin1Char('/') + fileName);
         if (!file.open(QIODevice::ReadOnly))
             continue;
         QTextStream stream(&file);
         QString program = stream.readAll();
         QScriptDebuggerScriptedConsoleCommand *command;
         command = QScriptDebuggerScriptedConsoleCommand::parse(
             program, fileName, commandEngine, messageHandler);
         if (!command)
             continue;
         commandManager->addCommand(command);
     }
 }


 /*!
   Creates a job that will execute the given debugger \a command.
   Returns the new job, or 0 if the command is undefined.
 */
 QScriptDebuggerConsoleCommandJob *QScriptDebuggerConsolePrivate::createJob(
     const QString &command, QScriptMessageHandlerInterface *messageHandler,
     QScriptDebuggerCommandSchedulerInterface *commandScheduler)
 {
     QString name;
     int i = command.indexOf(QLatin1Char(' '));
     if (i == -1) {
         name = command;
         i = name.size();
     } else {
         name = command.left(i);
     }
     if (name.isEmpty())
         return 0;
     QScriptDebuggerConsoleCommand *cmd = commandManager->findCommand(name);
     if (!cmd) {
         // try to auto-complete
         QStringList completions = commandManager->completions(name);
         if (!completions.isEmpty()) {
             if (completions.size() > 1) {
                 QString msg;
                 msg.append(QString::fromLatin1("Ambiguous command \"%0\": ")
                            .arg(name));
                 for (int j = 0; j < completions.size(); ++j) {
                     if (j > 0)
                         msg.append(QLatin1String(", "));
                     msg.append(completions.at(j));
                 }
                 msg.append(QLatin1Char('.'));
                 messageHandler->message(QtWarningMsg, msg);
                 return 0;
             }
             cmd = commandManager->findCommand(completions.at(0));
             Q_ASSERT(cmd != 0);
         }
         if (!cmd) {
             messageHandler->message(
                 QtWarningMsg,
                 QString::fromLatin1("Undefined command \"%0\". Try \"help\".")
                 .arg(name));
             return 0;
         }
     }
     QStringList args;
     QString tmp = command.mid(i+1);
     if (cmd->argumentTypes().contains(QString::fromLatin1("script"))) {
         if (!tmp.isEmpty())
             args.append(tmp);
     } else {
         args = tmp.split(QLatin1Char(' '), QString::SkipEmptyParts);
     }
     return cmd->createJob(args, q_func(), messageHandler, commandScheduler);
 }

 QScriptDebuggerConsole::QScriptDebuggerConsole()
     : d_ptr(new QScriptDebuggerConsolePrivate(this))
 {
 }

 QScriptDebuggerConsole::~QScriptDebuggerConsole()
 {
 }

 void QScriptDebuggerConsole::loadScriptedCommands(const QString &scriptsPath,
                                                   QScriptMessageHandlerInterface *messageHandler)
 {
     Q_D(QScriptDebuggerConsole);
     d->loadScriptedCommands(scriptsPath, messageHandler);
 }

 QScriptDebuggerConsoleCommandManager *QScriptDebuggerConsole::commandManager() const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->commandManager;
 }

 bool QScriptDebuggerConsole::hasIncompleteInput() const
 {
     Q_D(const QScriptDebuggerConsole);
     return !d->input.isEmpty();
 }

 QString QScriptDebuggerConsole::incompleteInput() const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->input;
 }

 void QScriptDebuggerConsole::setIncompleteInput(const QString &input)
 {
     Q_D(QScriptDebuggerConsole);
     d->input = input;
 }

 QString QScriptDebuggerConsole::commandPrefix() const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->commandPrefix;
 }

 /*!
   Consumes the given line of \a input.  If the input starts with the
   command prefix, it is regarded as a debugger command; otherwise the
   input is evaluated as a plain script.
 */
 QScriptDebuggerConsoleCommandJob *QScriptDebuggerConsole::consumeInput(
     const QString &input, QScriptMessageHandlerInterface *messageHandler,
     QScriptDebuggerCommandSchedulerInterface *commandScheduler)
 {
     Q_D(QScriptDebuggerConsole);
     static const int maximumHistoryCount = 100;
     QString cmd;
     if (d->input.isEmpty() && input.isEmpty()) {
         if (d->commandHistory.isEmpty())
             return 0;
         cmd = d->commandHistory.first();
     } else {
         cmd = input;
     }
     if (d->input.isEmpty() && cmd.startsWith(d->commandPrefix)) {
         if (!input.isEmpty()) {
             d->commandHistory.prepend(cmd);
             if (d->commandHistory.size() > maximumHistoryCount)
                 d->commandHistory.removeLast();
         }
         cmd.remove(0, d->commandPrefix.length());
         return d->createJob(cmd, messageHandler, commandScheduler);
     }
     d->input += cmd;
     d->input += QLatin1Char('\n');
     QScriptSyntaxCheckResult check = QScriptEngine::checkSyntax(d->input);
     if (check.state() == QScriptSyntaxCheckResult::Intermediate)
         return false;
     d->input.chop(1); // remove the last \n
     cmd = QString();
     cmd.append(d->commandPrefix);
     cmd.append(QString::fromLatin1("eval "));
     cmd.append(d->input);
     d->commandHistory.prepend(cmd);
     if (d->commandHistory.size() > maximumHistoryCount)
         d->commandHistory.removeLast();
     d->input.clear();
     cmd.remove(0, d->commandPrefix.length());
     return d->createJob(cmd, messageHandler, commandScheduler);
 }

 int QScriptDebuggerConsole::currentFrameIndex() const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->currentFrameIndex;
 }

 void QScriptDebuggerConsole::setCurrentFrameIndex(int index)
 {
     Q_D(QScriptDebuggerConsole);
     d->currentFrameIndex = index;
 }

 qint64 QScriptDebuggerConsole::currentScriptId() const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->currentScriptId;
 }

 void QScriptDebuggerConsole::setCurrentScriptId(qint64 id)
 {
     Q_D(QScriptDebuggerConsole);
     d->currentScriptId = id;
 }

 int QScriptDebuggerConsole::currentLineNumber() const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->currentLineNumber;
 }

 void QScriptDebuggerConsole::setCurrentLineNumber(int lineNumber)
 {
     Q_D(QScriptDebuggerConsole);
     d->currentLineNumber = lineNumber;
 }

 int QScriptDebuggerConsole::evaluateAction() const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->evaluateAction;
 }

 void QScriptDebuggerConsole::setEvaluateAction(int action)
 {
     Q_D(QScriptDebuggerConsole);
     d->evaluateAction = action;
 }

 qint64 QScriptDebuggerConsole::sessionId() const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->sessionId;
 }

 void QScriptDebuggerConsole::bumpSessionId()
 {
     Q_D(QScriptDebuggerConsole);
     ++d->sessionId;
 }

 void QScriptDebuggerConsole::showDebuggerInfoMessage(
     QScriptMessageHandlerInterface *messageHandler)
 {
     messageHandler->message(
         QtDebugMsg,
         QString::fromLatin1(
             "Welcome to the Qt Script debugger.\n"
             "Debugger commands start with a . (period).\n"
             "Any other input will be evaluated by the script interpreter.\n"
             "Type \".help\" for help.\n"));
 }

 /*!
   \reimp
 */
 int QScriptDebuggerConsole::historyCount() const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->commandHistory.size();
 }

 /*!
   \reimp
 */
 QString QScriptDebuggerConsole::historyAt(int index) const
 {
     Q_D(const QScriptDebuggerConsole);
     return d->commandHistory.value(index);
 }

 /*!
   \reimp
 */
 void QScriptDebuggerConsole::changeHistoryAt(int index, const QString &newHistory)
 {
     Q_D(QScriptDebuggerConsole);
     d->commandHistory[index] = newHistory;
 }

 QT_END_NAMESPACE
	/****************************************************************************
	**
	** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
	** All rights reserved.
	** Contact: Nokia Corporation (qt-info@nokia.com)
	**
	** This file is part of the QtSCriptTools module of the Qt Toolkit.
	**
	** $QT_BEGIN_LICENSE:LGPL$
	** 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.
	**
	** In addition, as a special exception, Nokia gives you certain additional
	** rights. These rights are described in the Nokia Qt LGPL Exception
	** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
	**
	** GNU General Public License Usage
	** Alternatively, this file may be used under the terms of the GNU General
	** Public License version 3.0 as published by the Free Software Foundation
	** and appearing in the file LICENSE.GPL included in the packaging of this
	** file. Please review the following information to ensure the GNU General
	** Public License version 3.0 requirements will be met:
	** http://www.gnu.org/copyleft/gpl.html.
	**
	** Other Usage
	** Alternatively, this file may be used in accordance with the terms and
	** conditions contained in a signed written agreement between you and Nokia.
	**
	**
	**
	**
	**
	** $QT_END_LICENSE$
	**
	****************************************************************************/

	#include "qscriptdebuggerconsole_p.h"
	#include "qscriptdebuggerconsolecommandjob_p.h"
	#include "qscriptdebuggerconsolecommandmanager_p.h"
	#include "qscriptdebuggerscriptedconsolecommand_p.h"
	#include "qscriptmessagehandlerinterface_p.h"
	#include "qscriptbreakpointdata_p.h"
	#include "qscriptdebuggerresponse_p.h"
	#include "qscriptdebuggervalueproperty_p.h"
	#include "qscriptscriptdata_p.h"

	#include <QtCore/qdir.h>
	#include <QtCore/qfileinfo.h>
	#include <QtCore/qstring.h>
	#include <QtCore/qstringlist.h>
	#include <QtCore/qdebug.h>
	#include <QtScript/qscriptcontextinfo.h>
	#include <QtScript/qscriptengine.h>

	Q_DECLARE_METATYPE(QScriptDebuggerResponse)
	Q_DECLARE_METATYPE(QScriptBreakpointData)
	Q_DECLARE_METATYPE(QScriptBreakpointMap)
	Q_DECLARE_METATYPE(QScriptScriptData)
	Q_DECLARE_METATYPE(QScriptScriptMap)
	Q_DECLARE_METATYPE(QScriptContextInfo)
	Q_DECLARE_METATYPE(QScriptDebuggerValue)
	Q_DECLARE_METATYPE(QScriptDebuggerValueProperty)
	Q_DECLARE_METATYPE(QScriptDebuggerValuePropertyList)
	Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommand*)
	Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandList)
	Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandGroupData)
	Q_DECLARE_METATYPE(QScriptDebuggerConsoleCommandGroupMap)

	QT_BEGIN_NAMESPACE

	static QScriptValue debuggerResponseToScriptValue(QScriptEngine *eng, const QScriptDebuggerResponse &in)
	{
	QScriptValue out = eng->newObject();
	out.setProperty(QString::fromLatin1("result"), qScriptValueFromValue(eng, in.result()));
	out.setProperty(QString::fromLatin1("error"), QScriptValue(eng, in.error()));
	out.setProperty(QString::fromLatin1("async"), QScriptValue(eng, in.async()));
	return out;
	}

	static void debuggerResponseFromScriptValue(const QScriptValue &, QScriptDebuggerResponse &)
	{
	Q_ASSERT(0);
	}

	static QScriptValue breakpointDataToScriptValue(QScriptEngine *eng, const QScriptBreakpointData &in)
	{
	QScriptValue out = eng->newObject();
	out.setProperty(QString::fromLatin1("scriptId"), QScriptValue(eng, qsreal(in.scriptId())));
	out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
	out.setProperty(QString::fromLatin1("lineNumber"), QScriptValue(eng, in.lineNumber()));
	out.setProperty(QString::fromLatin1("enabled"), QScriptValue(eng, in.isEnabled()));
	out.setProperty(QString::fromLatin1("singleShot"), QScriptValue(eng, in.isSingleShot()));
	out.setProperty(QString::fromLatin1("ignoreCount"), QScriptValue(eng, in.ignoreCount()));
	out.setProperty(QString::fromLatin1("condition"), QScriptValue(eng, in.condition()));
	return out;
	}

	static void breakpointDataFromScriptValue(const QScriptValue &in, QScriptBreakpointData &out)
	{
	QScriptValue scriptId = in.property(QString::fromLatin1("scriptId"));
	if (scriptId.isValid())
	out.setScriptId((qint64)scriptId.toNumber());
	out.setFileName(in.property(QString::fromLatin1("fileName")).toString());
	out.setLineNumber(in.property(QString::fromLatin1("lineNumber")).toInt32());
	QScriptValue enabled = in.property(QString::fromLatin1("enabled"));
	if (enabled.isValid())
	out.setEnabled(enabled.toBoolean());
	QScriptValue singleShot = in.property(QString::fromLatin1("singleShot"));
	if (singleShot.isValid())
	out.setSingleShot(singleShot.toBoolean());
	out.setIgnoreCount(in.property(QString::fromLatin1("ignoreCount")).toInt32());
	out.setCondition(in.property(QString::fromLatin1("condition")).toString());
	}

	static QScriptValue breakpointMapToScriptValue(QScriptEngine *eng, const QScriptBreakpointMap &in)
	{
	QScriptValue out = eng->newObject();
	QScriptBreakpointMap::const_iterator it;
	for (it = in.constBegin(); it != in.constEnd(); ++it) {
	out.setProperty(QString::number(it.key()), qScriptValueFromValue(eng, it.value()));
	}
	return out;
	}

	static void breakpointMapFromScriptValue(const QScriptValue &, QScriptBreakpointMap &)
	{
	Q_ASSERT(0);
	}

	static QScriptValue scriptDataToScriptValue(QScriptEngine *eng, const QScriptScriptData &in)
	{
	QScriptValue out = eng->newObject();
	out.setProperty(QString::fromLatin1("contents"), QScriptValue(eng, in.contents()));
	out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
	out.setProperty(QString::fromLatin1("baseLineNumber"), QScriptValue(eng, in.baseLineNumber()));
	return out;
	}

	static void scriptDataFromScriptValue(const QScriptValue &in, QScriptScriptData &out)
	{
	QString contents = in.property(QString::fromLatin1("contents")).toString();
	QString fileName = in.property(QString::fromLatin1("fileName")).toString();
	int baseLineNumber = in.property(QString::fromLatin1("baseLineNumber")).toInt32();
	QScriptScriptData tmp(contents, fileName, baseLineNumber);
	out = tmp;
	}

	static QScriptValue scriptMapToScriptValue(QScriptEngine *eng, const QScriptScriptMap &in)
	{
	QScriptValue out = eng->newObject();
	QScriptScriptMap::const_iterator it;
	for (it = in.constBegin(); it != in.constEnd(); ++it) {
	out.setProperty(QString::number(it.key()), qScriptValueFromValue(eng, it.value()));
	}
	return out;
	}

	static void scriptMapFromScriptValue(const QScriptValue &, QScriptScriptMap &)
	{
	Q_ASSERT(0);
	}

	static QScriptValue consoleCommandToScriptValue(
	QScriptEngine eng, QScriptDebuggerConsoleCommand const &in)
	{
	if (!in)
	return eng->undefinedValue();
	QScriptValue out = eng->newObject();
	out.setProperty(QString::fromLatin1("name"), QScriptValue(eng, in->name()));
	out.setProperty(QString::fromLatin1("group"), QScriptValue(eng, in->group()));
	out.setProperty(QString::fromLatin1("shortDescription"), QScriptValue(eng, in->shortDescription()));
	out.setProperty(QString::fromLatin1("longDescription"), QScriptValue(eng, in->longDescription()));
	out.setProperty(QString::fromLatin1("aliases"), qScriptValueFromValue(eng, in->aliases()));
	out.setProperty(QString::fromLatin1("seeAlso"), qScriptValueFromValue(eng, in->seeAlso()));
	return out;
	}

	static void consoleCommandFromScriptValue(
	const QScriptValue &, QScriptDebuggerConsoleCommand* &)
	{
	Q_ASSERT(0);
	}

	static QScriptValue consoleCommandGroupDataToScriptValue(
	QScriptEngine *eng, const QScriptDebuggerConsoleCommandGroupData &in)
	{
	QScriptValue out = eng->newObject();
	out.setProperty(QString::fromLatin1("longDescription"), QScriptValue(eng, in.longDescription()));
	out.setProperty(QString::fromLatin1("shortDescription"), QScriptValue(eng, in.shortDescription()));
	return out;
	}

	static void consoleCommandGroupDataFromScriptValue(
	const QScriptValue &, QScriptDebuggerConsoleCommandGroupData &)
	{
	Q_ASSERT(0);
	}

	static QScriptValue consoleCommandGroupMapToScriptValue(
	QScriptEngine *eng, const QScriptDebuggerConsoleCommandGroupMap &in)
	{
	QScriptValue out = eng->newObject();
	QScriptDebuggerConsoleCommandGroupMap::const_iterator it;
	for (it = in.constBegin(); it != in.constEnd(); ++it) {
	out.setProperty(it.key(), qScriptValueFromValue(eng, it.value()));
	}
	return out;
	}

	static void consoleCommandGroupMapFromScriptValue(
	const QScriptValue &, QScriptDebuggerConsoleCommandGroupMap &)
	{
	Q_ASSERT(0);
	}

	static QScriptValue contextInfoToScriptValue(QScriptEngine *eng, const QScriptContextInfo &in)
	{
	QScriptValue out = eng->newObject();
	out.setProperty(QString::fromLatin1("scriptId"), QScriptValue(eng, qsreal(in.scriptId())));
	out.setProperty(QString::fromLatin1("fileName"), QScriptValue(eng, in.fileName()));
	out.setProperty(QString::fromLatin1("lineNumber"), QScriptValue(eng, in.lineNumber()));
	out.setProperty(QString::fromLatin1("columnNumber"), QScriptValue(eng, in.columnNumber()));
	out.setProperty(QString::fromLatin1("functionName"), QScriptValue(eng, in.functionName()));
	return out;
	}

	static void contextInfoFromScriptValue(const QScriptValue &, QScriptContextInfo &)
	{
	Q_ASSERT(0);
	}

	static QScriptValue debuggerScriptValuePropertyToScriptValue(QScriptEngine *eng, const QScriptDebuggerValueProperty &in)
	{
	QScriptValue out = eng->newObject();
	out.setProperty(QString::fromLatin1("name"), QScriptValue(eng, in.name()));
	out.setProperty(QString::fromLatin1("value"), qScriptValueFromValue(eng, in.value()));
	out.setProperty(QString::fromLatin1("valueAsString"), QScriptValue(eng, in.valueAsString()));
	out.setProperty(QString::fromLatin1("flags"), QScriptValue(eng, static_cast<int>(in.flags())));
	return out;
	}

	static void debuggerScriptValuePropertyFromScriptValue(const QScriptValue &in, QScriptDebuggerValueProperty &out)
	{
	QString name = in.property(QString::fromLatin1("name")).toString();
	QScriptDebuggerValue value = qscriptvalue_cast<QScriptDebuggerValue>(in.property(QString::fromLatin1("value")));
	QString valueAsString = in.property(QString::fromLatin1("valueAsString")).toString();
	int flags = in.property(QString::fromLatin1("flags")).toInt32();
	QScriptDebuggerValueProperty tmp(name, value, valueAsString, QScriptValue::PropertyFlags(flags));
	out = tmp;
	}

	/*!
	\since 4.5
	\class QScriptDebuggerConsole
	\internal

	\brief The QScriptDebuggerConsole class provides the core functionality of a debugger console.
	*/

	class QScriptDebuggerConsolePrivate
	{
	Q_DECLARE_PUBLIC(QScriptDebuggerConsole)
	public:
	QScriptDebuggerConsolePrivate(QScriptDebuggerConsole*);
	~QScriptDebuggerConsolePrivate();

	void loadScriptedCommands(const QString &scriptsPath,
	QScriptMessageHandlerInterface *messageHandler);
	QScriptDebuggerConsoleCommandJob *createJob(
	const QString &command,
	QScriptMessageHandlerInterface *messageHandler,
	QScriptDebuggerCommandSchedulerInterface *commandScheduler);

	QScriptEngine *commandEngine;
	QScriptDebuggerConsoleCommandManager *commandManager;
	QString commandPrefix;
	QString input;
	QStringList commandHistory;
	int currentFrameIndex;
	qint64 currentScriptId;
	int currentLineNumber;
	int evaluateAction;
	qint64 sessionId;

	QScriptDebuggerConsole *q_ptr;
	};

	QScriptDebuggerConsolePrivate::QScriptDebuggerConsolePrivate(QScriptDebuggerConsole* parent)
	: q_ptr(parent)
	{
	sessionId = 0;
	currentFrameIndex = 0;
	currentScriptId = -1;
	currentLineNumber = -1;
	evaluateAction = 0;
	commandPrefix = QLatin1String(".");
	commandManager = new QScriptDebuggerConsoleCommandManager();

	commandEngine = new QScriptEngine;
	qScriptRegisterMetaType<QScriptBreakpointData>(commandEngine, breakpointDataToScriptValue, breakpointDataFromScriptValue);
	qScriptRegisterMetaType<QScriptBreakpointMap>(commandEngine, breakpointMapToScriptValue, breakpointMapFromScriptValue);
	qScriptRegisterMetaType<QScriptScriptData>(commandEngine, scriptDataToScriptValue, scriptDataFromScriptValue);
	qScriptRegisterMetaType<QScriptScriptMap>(commandEngine, scriptMapToScriptValue, scriptMapFromScriptValue);
	qScriptRegisterMetaType<QScriptContextInfo>(commandEngine, contextInfoToScriptValue, contextInfoFromScriptValue);
	qScriptRegisterMetaType<QScriptDebuggerValueProperty>(commandEngine, debuggerScriptValuePropertyToScriptValue, debuggerScriptValuePropertyFromScriptValue);
	qScriptRegisterSequenceMetaType<QScriptDebuggerValuePropertyList>(commandEngine);
	qScriptRegisterMetaType<QScriptDebuggerResponse>(commandEngine, debuggerResponseToScriptValue, debuggerResponseFromScriptValue);
	qScriptRegisterMetaType<QScriptDebuggerConsoleCommand*>(commandEngine, consoleCommandToScriptValue, consoleCommandFromScriptValue);
	qScriptRegisterSequenceMetaType<QScriptDebuggerConsoleCommandList>(commandEngine);
	qScriptRegisterMetaType<QScriptDebuggerConsoleCommandGroupData>(commandEngine, consoleCommandGroupDataToScriptValue, consoleCommandGroupDataFromScriptValue);
	qScriptRegisterMetaType<QScriptDebuggerConsoleCommandGroupMap>(commandEngine, consoleCommandGroupMapToScriptValue, consoleCommandGroupMapFromScriptValue);
	// ### can't do this, if it's an object ID the conversion will be incorrect since
	// ### the object ID refers to an object in a different engine!
	// qScriptRegisterMetaType(commandEngine, debuggerScriptValueToScriptValue, debuggerScriptValueFromScriptValue);
	}

	QScriptDebuggerConsolePrivate::~QScriptDebuggerConsolePrivate()
	{
	delete commandManager;
	delete commandEngine;
	}

	/*!
	Loads command definitions from scripts located in the given \a scriptsPath.
	*/
	void QScriptDebuggerConsolePrivate::loadScriptedCommands(
	const QString &scriptsPath,
	QScriptMessageHandlerInterface *messageHandler)
	{
	QDir dir(scriptsPath);
	QFileInfoList entries = dir.entryInfoList(QStringList()
	<< QLatin1String("*.qs"));
	for (int i = 0; i < entries.size(); ++i) {
	const QFileInfo &fi = entries.at(i);
	QString fileName = fi.fileName();
	QFile file(scriptsPath + QLatin1Char('/') + fileName);
	if (!file.open(QIODevice::ReadOnly))
	continue;
	QTextStream stream(&file);
	QString program = stream.readAll();
	QScriptDebuggerScriptedConsoleCommand *command;
	command = QScriptDebuggerScriptedConsoleCommand::parse(
	program, fileName, commandEngine, messageHandler);
	if (!command)
	continue;
	commandManager->addCommand(command);
	}
	}


	/*!
	Creates a job that will execute the given debugger \a command.
	Returns the new job, or 0 if the command is undefined.
	*/
	QScriptDebuggerConsoleCommandJob *QScriptDebuggerConsolePrivate::createJob(
	const QString &command, QScriptMessageHandlerInterface *messageHandler,
	QScriptDebuggerCommandSchedulerInterface *commandScheduler)
	{
	QString name;
	int i = command.indexOf(QLatin1Char(' '));
	if (i == -1) {
	name = command;
	i = name.size();
	} else {
	name = command.left(i);
	}
	if (name.isEmpty())
	return 0;
	QScriptDebuggerConsoleCommand *cmd = commandManager->findCommand(name);
	if (!cmd) {
	// try to auto-complete
	QStringList completions = commandManager->completions(name);
	if (!completions.isEmpty()) {
	if (completions.size() > 1) {
	QString msg;
	msg.append(QString::fromLatin1("Ambiguous command \"%0\": ")
	.arg(name));
	for (int j = 0; j < completions.size(); ++j) {
	if (j > 0)
	msg.append(QLatin1String(", "));
	msg.append(completions.at(j));
	}
	msg.append(QLatin1Char('.'));
	messageHandler->message(QtWarningMsg, msg);
	return 0;
	}
	cmd = commandManager->findCommand(completions.at(0));
	Q_ASSERT(cmd != 0);
	}
	if (!cmd) {
	messageHandler->message(
	QtWarningMsg,
	QString::fromLatin1("Undefined command \"%0\". Try \"help\".")
	.arg(name));
	return 0;
	}
	}
	QStringList args;
	QString tmp = command.mid(i+1);
	if (cmd->argumentTypes().contains(QString::fromLatin1("script"))) {
	if (!tmp.isEmpty())
	args.append(tmp);
	} else {
	args = tmp.split(QLatin1Char(' '), QString::SkipEmptyParts);
	}
	return cmd->createJob(args, q_func(), messageHandler, commandScheduler);
	}

	QScriptDebuggerConsole::QScriptDebuggerConsole()
	: d_ptr(new QScriptDebuggerConsolePrivate(this))
	{
	}

	QScriptDebuggerConsole::~QScriptDebuggerConsole()
	{
	}

	void QScriptDebuggerConsole::loadScriptedCommands(const QString &scriptsPath,
	QScriptMessageHandlerInterface *messageHandler)
	{
	Q_D(QScriptDebuggerConsole);
	d->loadScriptedCommands(scriptsPath, messageHandler);
	}

	QScriptDebuggerConsoleCommandManager *QScriptDebuggerConsole::commandManager() const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->commandManager;
	}

	bool QScriptDebuggerConsole::hasIncompleteInput() const
	{
	Q_D(const QScriptDebuggerConsole);
	return !d->input.isEmpty();
	}

	QString QScriptDebuggerConsole::incompleteInput() const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->input;
	}

	void QScriptDebuggerConsole::setIncompleteInput(const QString &input)
	{
	Q_D(QScriptDebuggerConsole);
	d->input = input;
	}

	QString QScriptDebuggerConsole::commandPrefix() const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->commandPrefix;
	}

	/*!
	Consumes the given line of \a input. If the input starts with the
	command prefix, it is regarded as a debugger command; otherwise the
	input is evaluated as a plain script.
	*/
	QScriptDebuggerConsoleCommandJob *QScriptDebuggerConsole::consumeInput(
	const QString &input, QScriptMessageHandlerInterface *messageHandler,
	QScriptDebuggerCommandSchedulerInterface *commandScheduler)
	{
	Q_D(QScriptDebuggerConsole);
	static const int maximumHistoryCount = 100;
	QString cmd;
	if (d->input.isEmpty() && input.isEmpty()) {
	if (d->commandHistory.isEmpty())
	return 0;
	cmd = d->commandHistory.first();
	} else {
	cmd = input;
	}
	if (d->input.isEmpty() && cmd.startsWith(d->commandPrefix)) {
	if (!input.isEmpty()) {
	d->commandHistory.prepend(cmd);
	if (d->commandHistory.size() > maximumHistoryCount)
	d->commandHistory.removeLast();
	}
	cmd.remove(0, d->commandPrefix.length());
	return d->createJob(cmd, messageHandler, commandScheduler);
	}
	d->input += cmd;
	d->input += QLatin1Char('\n');
	QScriptSyntaxCheckResult check = QScriptEngine::checkSyntax(d->input);
	if (check.state() == QScriptSyntaxCheckResult::Intermediate)
	return false;
	d->input.chop(1); // remove the last \n
	cmd = QString();
	cmd.append(d->commandPrefix);
	cmd.append(QString::fromLatin1("eval "));
	cmd.append(d->input);
	d->commandHistory.prepend(cmd);
	if (d->commandHistory.size() > maximumHistoryCount)
	d->commandHistory.removeLast();
	d->input.clear();
	cmd.remove(0, d->commandPrefix.length());
	return d->createJob(cmd, messageHandler, commandScheduler);
	}

	int QScriptDebuggerConsole::currentFrameIndex() const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->currentFrameIndex;
	}

	void QScriptDebuggerConsole::setCurrentFrameIndex(int index)
	{
	Q_D(QScriptDebuggerConsole);
	d->currentFrameIndex = index;
	}

	qint64 QScriptDebuggerConsole::currentScriptId() const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->currentScriptId;
	}

	void QScriptDebuggerConsole::setCurrentScriptId(qint64 id)
	{
	Q_D(QScriptDebuggerConsole);
	d->currentScriptId = id;
	}

	int QScriptDebuggerConsole::currentLineNumber() const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->currentLineNumber;
	}

	void QScriptDebuggerConsole::setCurrentLineNumber(int lineNumber)
	{
	Q_D(QScriptDebuggerConsole);
	d->currentLineNumber = lineNumber;
	}

	int QScriptDebuggerConsole::evaluateAction() const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->evaluateAction;
	}

	void QScriptDebuggerConsole::setEvaluateAction(int action)
	{
	Q_D(QScriptDebuggerConsole);
	d->evaluateAction = action;
	}

	qint64 QScriptDebuggerConsole::sessionId() const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->sessionId;
	}

	void QScriptDebuggerConsole::bumpSessionId()
	{
	Q_D(QScriptDebuggerConsole);
	++d->sessionId;
	}

	void QScriptDebuggerConsole::showDebuggerInfoMessage(
	QScriptMessageHandlerInterface *messageHandler)
	{
	messageHandler->message(
	QtDebugMsg,
	QString::fromLatin1(
	"Welcome to the Qt Script debugger.\n"
	"Debugger commands start with a . (period).\n"
	"Any other input will be evaluated by the script interpreter.\n"
	"Type \".help\" for help.\n"));
	}

	/*!
	\reimp
	*/
	int QScriptDebuggerConsole::historyCount() const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->commandHistory.size();
	}

	/*!
	\reimp
	*/
	QString QScriptDebuggerConsole::historyAt(int index) const
	{
	Q_D(const QScriptDebuggerConsole);
	return d->commandHistory.value(index);
	}

	/*!
	\reimp
	*/
	void QScriptDebuggerConsole::changeHistoryAt(int index, const QString &newHistory)
	{
	Q_D(QScriptDebuggerConsole);
	d->commandHistory[index] = newHistory;
	}

	QT_END_NAMESPACE