forked from qt-creator/qt-creator
285 lines
12 KiB
C++
285 lines
12 KiB
C++
/**************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Nokia Corporation (info@qt.nokia.com)
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**
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**
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** GNU Lesser General Public License Usage
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**
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this file.
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** Please review the following information to ensure the GNU Lesser General
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** Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia 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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** Other Usage
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**
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at info@qt.nokia.com.
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**
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**************************************************************************/
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#include "scriptmanager_p.h"
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#include "metatypedeclarations.h"
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#include <utils/qtcassert.h>
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#include <interface_wrap_helpers.h>
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#include <wrap_helpers.h>
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#include <limits.h>
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#include <QtCore/QDebug>
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#include <QtCore/QSettings>
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#include <QtGui/QMessageBox>
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#include <QtGui/QInputDialog>
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#include <QtGui/QFileDialog>
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#include <QtGui/QMainWindow>
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#include <QtGui/QToolBar>
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#include <QtGui/QStatusBar>
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// Script function template to pop up a message box
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// with a certain icon and buttons.
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template <int MsgBoxIcon, int MsgBoxButtons>
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static QScriptValue messageBox(QScriptContext *context, QScriptEngine *engine)
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{
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if (context->argumentCount() < 3)
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return QScriptValue(engine, -1);
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QWidget *parent = qscriptvalue_cast<QWidget *>(context->argument(0));
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const QString title = context->argument(1).toString();
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const QString msg = context->argument(2).toString();
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QMessageBox msgBox(static_cast<QMessageBox::Icon>(MsgBoxIcon), title, msg,
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static_cast<QMessageBox::StandardButtons>(MsgBoxButtons), parent);
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return QScriptValue(engine, msgBox.exec());
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}
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static QScriptValue inputDialogGetText(QScriptContext *context, QScriptEngine *engine)
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{
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const int argumentCount = context->argumentCount();
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if (argumentCount < 3)
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return QScriptValue(engine, QScriptValue::NullValue);
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QWidget *parent = qscriptvalue_cast<QWidget *>(context->argument(0));
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const QString title = context->argument(1).toString();
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const QString label = context->argument(2).toString();
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const QString defaultValue = argumentCount > 3 ? context->argument(3).toString() : QString();
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bool ok;
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const QString rc = QInputDialog::getText(parent, title, label, QLineEdit::Normal, defaultValue, &ok);
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if (!ok)
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return QScriptValue(engine, QScriptValue::NullValue);
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return QScriptValue(engine, rc);
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}
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static QScriptValue inputDialogGetInteger(QScriptContext *context, QScriptEngine *engine)
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{
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const int argumentCount = context->argumentCount();
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if (argumentCount < 3)
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return QScriptValue(engine, QScriptValue::NullValue);
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QWidget *parent = qscriptvalue_cast<QWidget *>(context->argument(0));
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const QString title = context->argument(1).toString();
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const QString label = context->argument(2).toString();
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const int defaultValue = argumentCount > 3 ? context->argument(3).toInt32() : 0;
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const int minValue = argumentCount > 4 ? context->argument(4).toInt32() : INT_MIN;
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const int maxValue = argumentCount > 5 ? context->argument(5).toInt32() : INT_MAX;
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bool ok;
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const int rc = QInputDialog::getInteger(parent, title, label, defaultValue, minValue, maxValue, 1, &ok);
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if (!ok)
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return QScriptValue(engine, QScriptValue::NullValue);
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return QScriptValue(engine, rc);
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}
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static QScriptValue inputDialogGetDouble(QScriptContext *context, QScriptEngine *engine)
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{
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const int argumentCount = context->argumentCount();
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if (argumentCount < 3)
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return QScriptValue(engine, QScriptValue::NullValue);
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QWidget *parent = qscriptvalue_cast<QWidget *>(context->argument(0));
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const QString title = context->argument(1).toString();
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const QString label = context->argument(2).toString();
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const double defaultValue = argumentCount > 3 ? context->argument(3).toNumber() : 0;
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// Use QInputDialog defaults
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const double minValue = argumentCount > 4 ? context->argument(4).toNumber() : INT_MIN;
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const double maxValue = argumentCount > 5 ? context->argument(5).toNumber() : INT_MAX;
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bool ok;
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const double rc = QInputDialog::getDouble(parent, title, label, defaultValue, minValue, maxValue, 1, &ok);
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if (!ok)
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return QScriptValue(engine, QScriptValue::NullValue);
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return QScriptValue(engine, rc);
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}
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static QScriptValue inputDialogGetItem(QScriptContext *context, QScriptEngine *engine)
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{
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const int argumentCount = context->argumentCount();
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if (argumentCount < 4)
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return QScriptValue(engine, QScriptValue::NullValue);
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QWidget *parent = qscriptvalue_cast<QWidget *>(context->argument(0));
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const QString title = context->argument(1).toString();
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const QString label = context->argument(2).toString();
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const QStringList items = qscriptvalue_cast<QStringList>(context->argument(3));
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const int defaultItem = argumentCount > 4 ? context->argument(4).toInt32() : 0;
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const bool editable = argumentCount > 5 ? context->argument(5).toInt32() : 0;
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bool ok;
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const QString rc = QInputDialog::getItem (parent, title, label, items, defaultItem, editable, &ok);
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if (!ok)
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return QScriptValue(engine, QScriptValue::NullValue);
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return QScriptValue(engine, rc);
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}
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// Script function template to pop up a file box
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// with a certain icon and buttons.
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template <int TAcceptMode, int TFileMode>
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static QScriptValue fileBox(QScriptContext *context, QScriptEngine *engine)
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{
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const int argumentCount = context->argumentCount();
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if (argumentCount < 2)
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return QScriptValue(engine, QScriptValue::NullValue);
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QWidget *parent = qscriptvalue_cast<QWidget *>(context->argument(0));
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const QString title = context->argument(1).toString();
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const QString directory = argumentCount > 2 ? context->argument(2).toString() : QString();
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const QString filter = argumentCount > 3 ? context->argument(3).toString() : QString();
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QFileDialog fileDialog(parent, title, directory, filter);
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fileDialog.setAcceptMode(static_cast<QFileDialog::AcceptMode>(TAcceptMode));
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fileDialog.setFileMode (static_cast<QFileDialog::FileMode>(TFileMode));
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if (fileDialog.exec() == QDialog::Rejected)
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return QScriptValue(engine, QScriptValue::NullValue);
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const QStringList rc = fileDialog.selectedFiles();
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QTC_ASSERT(!rc.empty(), /**/);
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return TFileMode == QFileDialog::ExistingFiles ?
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engine->toScriptValue(rc) : engine->toScriptValue(rc.front());
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}
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// ------ ScriptManagerPrivate
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namespace Core {
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namespace Internal {
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ScriptManagerPrivate::ScriptManagerPrivate(QObject *parent)
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: ScriptManager(parent),
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m_engine(0)
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{
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}
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// Split a backtrace of the form:
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// "<anonymous>(BuildManagerCommand(ls))@:0
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// demoProjectExplorer()@:237
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// <anonymous>()@:276
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// <global>()@:0"
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static void parseBackTrace(const QStringList &backTrace, ScriptManagerPrivate::Stack &stack)
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{
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const QChar at = QLatin1Char('@');
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const QChar colon = QLatin1Char(':');
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stack.clear();
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foreach (const QString &line, backTrace) {
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const int atPos = line.lastIndexOf(at);
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if (atPos == -1)
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continue;
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const int colonPos = line.indexOf(colon, atPos + 1);
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if (colonPos == -1)
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continue;
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ScriptManagerPrivate::StackFrame frame;
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frame.function = line.left(atPos);
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frame.fileName = line.mid(atPos + 1, colonPos - atPos - 1);
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frame.lineNumber = line.right(line.size() - colonPos - 1).toInt();
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stack.push_back(frame);
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}
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}
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bool ScriptManagerPrivate::runScript(const QString &script, QString *errorMessage)
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{
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Stack stack;
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return runScript(script, errorMessage, &stack);
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}
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bool ScriptManagerPrivate::runScript(const QString &script, QString *errorMessage, Stack *stack)
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{
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ensureEngineInitialized();
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stack->clear();
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m_engine->pushContext();
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m_engine->evaluate(script);
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const bool failed = m_engine->hasUncaughtException ();
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if (failed) {
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const int errorLineNumber = m_engine->uncaughtExceptionLineNumber();
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const QStringList backTrace = m_engine->uncaughtExceptionBacktrace();
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parseBackTrace(backTrace, *stack);
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const QString backtrace = backTrace.join(QString(QLatin1Char('\n')));
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*errorMessage = ScriptManager::tr("Exception at line %1: %2\n%3").arg(errorLineNumber).arg(engineError(m_engine)).arg(backtrace);
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}
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m_engine->popContext();
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return !failed;
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}
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ScriptManager::QScriptEnginePtr ScriptManagerPrivate::ensureEngineInitialized()
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{
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if (!m_engine.isNull())
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return m_engine;
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m_engine = QScriptEnginePtr(new QScriptEngine);
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// register QObjects that occur as properties
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SharedTools::registerQObject<QMainWindow>(m_engine.data());
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SharedTools::registerQObject<QStatusBar>(m_engine.data());
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SharedTools::registerQObject<QSettings>(m_engine.data());
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qScriptRegisterSequenceMetaType<QList<Core::IEditor *> >(m_engine.data());
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// CLASSIC: registerInterfaceWithDefaultPrototype<Core::MessageManager, MessageManagerPrototype>(m_engine);
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// Message box conveniences
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m_engine->globalObject().setProperty(QLatin1String("critical"),
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m_engine->newFunction(messageBox<QMessageBox::Critical, QMessageBox::Ok>, 3));
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m_engine->globalObject().setProperty(QLatin1String("warning"),
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m_engine->newFunction(messageBox<QMessageBox::Warning, QMessageBox::Ok>, 3));
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m_engine->globalObject().setProperty(QLatin1String("information"),
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m_engine->newFunction(messageBox<QMessageBox::Information, QMessageBox::Ok>, 3));
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// StandardButtons has overloaded operator '|' - grrr.
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enum { MsgBoxYesNo = 0x00014000 };
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m_engine->globalObject().setProperty(QLatin1String("yesNoQuestion"),
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m_engine->newFunction(messageBox<QMessageBox::Question, MsgBoxYesNo>, 3));
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m_engine->globalObject().setProperty(QLatin1String("getText"), m_engine->newFunction(inputDialogGetText, 3));
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m_engine->globalObject().setProperty(QLatin1String("getInteger"), m_engine->newFunction(inputDialogGetInteger, 3));
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m_engine->globalObject().setProperty(QLatin1String("getDouble"), m_engine->newFunction(inputDialogGetDouble, 3));
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m_engine->globalObject().setProperty(QLatin1String("getItem"), m_engine->newFunction(inputDialogGetItem, 3));
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// file box
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m_engine->globalObject().setProperty(QLatin1String("getOpenFileNames"), m_engine->newFunction(fileBox<QFileDialog::AcceptOpen, QFileDialog::ExistingFiles> , 2));
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m_engine->globalObject().setProperty(QLatin1String("getOpenFileName"), m_engine->newFunction(fileBox<QFileDialog::AcceptOpen, QFileDialog::ExistingFile> , 2));
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m_engine->globalObject().setProperty(QLatin1String("getSaveFileName"), m_engine->newFunction(fileBox<QFileDialog::AcceptSave, QFileDialog::AnyFile> , 2));
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m_engine->globalObject().setProperty(QLatin1String("getExistingDirectory"), m_engine->newFunction(fileBox<QFileDialog::AcceptSave, QFileDialog::DirectoryOnly> , 2));
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return m_engine;
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}
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QString ScriptManagerPrivate::engineError(const QScriptEnginePtr &scriptEngine)
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{
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QScriptValue error = scriptEngine->evaluate(QLatin1String("Error"));
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if (error.isValid())
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return error.toString();
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return ScriptManager::tr("Unknown error");
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}
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} // namespace Internal
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} // namespace Core
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