| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns 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. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // 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. |
| |
| #ifndef Patternist_VariableReference_H |
| #define Patternist_VariableReference_H |
| |
| #include <private/qemptycontainer_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| template<typename T> class QList; |
| |
| namespace QPatternist |
| { |
| /** |
| * @short Baseclass for classes being references to variables. |
| * |
| * @author Frans Englich <frans.englich@nokia.com> |
| * @ingroup Patternist_expressions |
| */ |
| class Q_AUTOTEST_EXPORT VariableReference : public EmptyContainer |
| { |
| public: |
| typedef QExplicitlySharedDataPointer<VariableReference> Ptr; |
| typedef QList<VariableReference::Ptr> List; |
| |
| /** |
| * Creates a VariableReference. |
| * |
| * @param slot must be a valid slot. That is, zero or larger. |
| */ |
| VariableReference(const VariableSlotID slot); |
| ~VariableReference(); |
| |
| /** |
| * @returns the slot that this reference communicates through. |
| * |
| * This is a slot in the DynamicContext. Which one, depends on the |
| * type, which this VariableReference does not have information about. |
| * For instance, it could DynamicContext::expressionVariable() or |
| * DynamicContext::rangeVariable(). |
| */ |
| inline VariableSlotID slot() const; |
| |
| /** |
| * @returns DisableElimination |
| */ |
| virtual Properties properties() const; |
| |
| private: |
| /** |
| * The slot. Same as returned by slot(). |
| * |
| * This variable is not called m_slot, because that creates a weird |
| * compiler error on hpuxi-acc. See the preprocessor output. EvaluationCache::m_varSlot |
| * is a similar workaround. |
| */ |
| const VariableSlotID m_varSlot; |
| }; |
| |
| inline VariableSlotID VariableReference::slot() const |
| { |
| return m_varSlot; |
| } |
| |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |