/**************************************************************************** ** ** Copyright (C) 2019 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtQml module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/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 3 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 2.0 or (at your option) the GNU General ** Public license version 3 or any later version approved by the KDE Free ** Qt Foundation. The licenses are as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-2.0.html and ** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QQMLSCRIPTDATA_P_H #define QQMLSCRIPTDATA_P_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. // #include #include #include #include #include #include #include QT_BEGIN_NAMESPACE class QQmlTypeNameCache; class QQmlContextData; // QQmlScriptData instances are created, uninitialized, by the loader in the // load thread. The first time they are used by the VME, they are initialized which // creates their v8 objects and they are referenced and added to the engine's cleanup // list. During QQmlCleanup::clear() all v8 resources are destroyed, and the // reference that was created is released but final deletion only occurs once all the // references as released. This is all intended to ensure that the v8 resources are // only created and destroyed in the main thread :) class Q_AUTOTEST_EXPORT QQmlScriptData : public QQmlCleanup, public QQmlRefCount { private: friend class QQmlTypeLoader; QQmlScriptData(); public: QUrl url; QString urlString; QQmlRefPointer typeNameCache; QVector> scripts; QV4::ReturnedValue scriptValueForContext(const QQmlRefPointer &parentCtxt); QQmlRefPointer compilationUnit() const { return m_precompiledScript; } protected: void clear() override; // From QQmlCleanup private: friend class QQmlScriptBlob; void initialize(QQmlEngine *); QQmlRefPointer qmlContextDataForContext( const QQmlRefPointer &parentQmlContextData); bool m_loaded; QQmlRefPointer m_precompiledScript; QV4::PersistentValue m_value; }; QT_END_NAMESPACE #endif // QQMLSCRIPTDATA_P_H