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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (C) 2011 Kläralvdalens Datakonsult AB, a KDAB Group company.
**
** Contact: Kläralvdalens Datakonsult AB (info@kdab.com)
**
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/
#include "scriptrunner.h"
#include "objects/console.h"
#include "objects/editor.h"
#include "objects/basetexteditor.h"
#include "objects/editors.h"
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/editormanager/ieditor.h>
#include <wrap_helpers.h>
#include "scriptwrappers.h"
#include "enumwappers.h"
#include "utils/dialogs.h"
#include "objects/cppfunction.h"
#include "objects/cppargument.h"
#include <QTextStream>
#include <QFile>
#include <coreplugin/messagemanager.h>
#include <utils/outputformat.h>
#include <QFileInfo>
#include "objects/mark.h"
using namespace Scripting;
using namespace Scripting::Internal;
ScriptRunner::ScriptRunner(QObject *parent) :
QObject(parent),
m_engine(0)
{
}
ScriptRunner::~ScriptRunner()
{
}
// Path to the topmost script loaded.
static QString currentPath;
// The backtrace does unfortunately not include the file in which an error occurred,
// we therefore need this variable to store this information.
static QString errorFileName;
static QScriptValue run(QScriptEngine* engine, const QString& fileName, bool recursive)
{
QFile file(fileName);
if (file.open(QIODevice::ReadOnly)) {
QTextStream stream(&file);
const QString sourceCode = stream.readAll();
if ( recursive ) {
// A script context is pushed by the include function call.
// Link that context to the one of the script that called include
// Only do that, however, when called from the scipt
QScriptContext *context = engine->currentContext();
QScriptContext *parent=context->parentContext();
context->setActivationObject(parent->activationObject());
context->setThisObject(parent->thisObject());
}
QScriptValue result = engine->evaluate(sourceCode, fileName);
if (engine->hasUncaughtException() && errorFileName.isNull() )
errorFileName = fileName;
return result;
}
else {
Core::MessageManager::instance()->printToOutputPane(QObject::tr("Error: %1 doesn't exist.\n").arg(fileName),
Utils::ErrorMessageFormat);
engine->abortEvaluation();
return QScriptValue();
}
}
static QScriptValue load(QScriptContext *context, QScriptEngine *engine)
{
QScriptValue callee = context->callee();
if (context->argumentCount() == 1)
return run(engine, currentPath + QLatin1String("/") + context->argument(0).toString(), true);
else
context->throwError(QObject::tr("Wrong number of arguments given to import"));
return QScriptValue();
}
ErrorMessage ScriptRunner::runScript(const QString fileName)
{
errorFileName = QString();
currentPath = QFileInfo(fileName).absolutePath();
ensureEngineInitialized();
// Ensure no polution of environment between script runs
m_engine->pushContext();
QScriptValue result = run(m_engine.data(), fileName, false);
const bool failed = m_engine->hasUncaughtException();
m_engine->popContext();
// Set the focus back to the editor
const Core::EditorManager *editorManager = Core::EditorManager::instance();
if (editorManager->currentEditor())
editorManager->currentEditor()->widget()->setFocus(Qt::OtherFocusReason);
if (failed)
return ErrorMessage(errorFileName, m_engine->uncaughtExceptionLineNumber(), result.toString());
return ErrorMessage();
}
Q_DECLARE_METATYPE(QList<CppArgument*>)
ScriptRunner::QScriptEnginePtr ScriptRunner::ensureEngineInitialized()
{
if (!m_engine.isNull())
return m_engine;
m_engine = QScriptEnginePtr(new QScriptEngine);
qRegisterMetaType<Editor*>("Editor*");
SharedTools::registerQObject<Editor>(m_engine.data());
qRegisterMetaType<CppFunction*>("CppFunction*");
SharedTools::registerQObject<CppFunction>(m_engine.data());
qRegisterMetaType<CppArgument*>("CppArgument*");
SharedTools::registerQObject<CppArgument>(m_engine.data());
qRegisterMetaType<Mark*>("Mark*");
SharedTools::registerQObject<Mark>(m_engine.data());
qScriptRegisterSequenceMetaType< QList<CppArgument*> >(m_engine.data());
registerGlobal(new Console, QLatin1String("console"));
registerGlobal(new Editors, QLatin1String("editors"));
registerGlobal(new Dialogs, QLatin1String("dialogs"));
registerWrappers(m_engine.data());
registerEnums(m_engine.data());
m_engine->globalObject().setProperty(QLatin1String("include"), m_engine->newFunction(load));
return m_engine;
}
void ScriptRunner::registerGlobal(QObject *object, const QString &name)
{
if (!m_engine.isNull()) {
object->setParent(this);
QScriptValue value = m_engine->newQObject(object, QScriptEngine::QtOwnership);
m_engine->globalObject().setProperty(name, value);
}
}
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