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/**************************************************************************
**
** Copyright (C) 2013 Kläralvdalens Datakonsult AB, a KDAB Group company.
** Contact: Kläralvdalens Datakonsult AB (info@kdab.com)
**
** This file is part of Qt Creator.
**
** 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
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#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 "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"
#include "utils/utils.h"
#include "objects/cppclass.h"
using namespace Scripting;
using namespace Scripting::Internal;
namespace {
QString rootDir;
}
ScriptRunner* ScriptRunner::m_instance = 0;
ScriptRunner::ScriptRunner(QObject *parent) :
QObject(parent),
m_engine(0)
{
m_instance = this;
}
ScriptRunner *ScriptRunner::instance()
{
return m_instance;
}
ScriptRunner::~ScriptRunner()
{
}
// 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),
Core::MessageManager::Flash);
engine->abortEvaluation();
return QScriptValue();
}
}
static QScriptValue load(QScriptContext *context, QScriptEngine *engine)
{
QScriptValue callee = context->callee();
if (context->argumentCount() == 1) {
QString oldRoot = rootDir;
QString path = rootDir + QLatin1String("/") + context->argument(0).toString();
rootDir = QFileInfo(path).absolutePath();
const QScriptValue result = run(engine, path, true);
rootDir = oldRoot;
return result;
}
else
context->throwError(QObject::tr("Wrong number of arguments given to import"));
return QScriptValue();
}
ErrorMessage ScriptRunner::runScript(const QString fileName)
{
errorFileName = QString();
rootDir = 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);
m_engine->collectGarbage();
if (failed)
return ErrorMessage(errorFileName, m_engine->uncaughtExceptionLineNumber(), result.toString());
return ErrorMessage();
}
/**
@brief Convert a relative path to an absolute path relative to the loaded scripts direcotry
Relative files referenced in the scripts, should always be relative to the script loaded.
*/
QString ScriptRunner::absolutePath(const QString &path)
{
if (QFileInfo(path).isRelative() )
return rootDir + QLatin1String("/") + path;
else
return path;
}
Q_DECLARE_METATYPE(QList<CppArgument*>)
ScriptRunner::QScriptEnginePtr ScriptRunner::ensureEngineInitialized()
{
if (!m_engine.isNull())
return m_engine;
m_engine = QScriptEnginePtr(new QScriptEngine);
qRegisterMetaType<Editor*>("Editor*");
registerQObject<Editor>(m_engine.data());
qRegisterMetaType<CppFunction*>("CppFunction*");
registerQObject<CppFunction>(m_engine.data());
qRegisterMetaType<CppFunction*>("CppClass*");
registerQObject<CppClass>(m_engine.data());
qRegisterMetaType<CppArgument*>("CppArgument*");
registerQObject<CppArgument>(m_engine.data());
qRegisterMetaType<Mark*>("Mark*");
registerQObject<Mark>(m_engine.data());
qRegisterMetaType<Position>("Position");
qScriptRegisterSequenceMetaType< QList<CppArgument*> >(m_engine.data());
registerGlobal(new Console, QLatin1String("console"));
registerGlobal(new Editors, QLatin1String("editors"));
registerGlobal(new Dialogs, QLatin1String("dialogs"));
registerGlobal(new Utils, QLatin1String("utils"));
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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