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Diffstat (limited to 'src/xmlpatterns/expr/qunresolvedvariablereference_p.h')
| -rw-r--r-- | src/xmlpatterns/expr/qunresolvedvariablereference_p.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qunresolvedvariablereference_p.h b/src/xmlpatterns/expr/qunresolvedvariablereference_p.h new file mode 100644 index 0000000..272b654 --- /dev/null +++ b/src/xmlpatterns/expr/qunresolvedvariablereference_p.h @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// 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_UnresolvedVariableReference_H +#define Patternist_UnresolvedVariableReference_H + +#include "qemptycontainer_p.h" + +QT_BEGIN_HEADER +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + + /** + * @short Compile time only AST-node which is a marker for variable + * references whose declaration has not yet appeared in the source code. + * + * This can not appear in XQuery, but can in XSL-T. + * + * @author Frans Englich <fenglich@trolltech.com> + * @ingroup Patternist_expressions + * @since 4.5 + */ + class Q_AUTOTEST_EXPORT UnresolvedVariableReference : public EmptyContainer + { + public: + UnresolvedVariableReference(const QXmlName &name); + + virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context, + const SequenceType::Ptr &reqType); + virtual SequenceType::List expectedOperandTypes() const; + virtual SequenceType::Ptr staticType() const; + virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const; + virtual ID id() const; + + inline void bindTo(const Expression::Ptr &body); + + inline Expression::Ptr replacement() const; + + private: + const QXmlName m_name; + Expression::Ptr m_replacement; + }; + + void UnresolvedVariableReference::bindTo(const Expression::Ptr &body) + { + Q_ASSERT(body); + m_replacement = body; + } + + Expression::Ptr UnresolvedVariableReference::replacement() const + { + Q_ASSERT(m_replacement); + return m_replacement; + } + +} + +QT_END_NAMESPACE +QT_END_HEADER + +#endif |