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diff --git a/src/xmlpatterns/expr/qunresolvedvariablereference.cpp b/src/xmlpatterns/expr/qunresolvedvariablereference.cpp
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+++ b/src/xmlpatterns/expr/qunresolvedvariablereference.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qcommonsequencetypes_p.h"
+
+#include "qunresolvedvariablereference_p.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace QPatternist;
+
+UnresolvedVariableReference::UnresolvedVariableReference(const QXmlName &name) : m_name(name)
+{
+    Q_ASSERT(!m_name.isNull());
+}
+
+Expression::Ptr UnresolvedVariableReference::typeCheck(const StaticContext::Ptr &context,
+                                                       const SequenceType::Ptr &reqType)
+{
+    /* We may be called before m_replacement is called, when we're part of a
+     * function body whose type checking is performed for. See
+     * UserFunctionCallsite::typeCheck(). */
+    if(m_replacement)
+        return m_replacement->typeCheck(context, reqType);
+    else
+        return EmptyContainer::typeCheck(context, reqType);
+}
+
+SequenceType::Ptr UnresolvedVariableReference::staticType() const
+{
+    /* We may be called by xmlpatternsview before the typeCheck() stage. */
+    if(m_replacement)
+        return m_replacement->staticType();
+    else
+        return CommonSequenceTypes::ZeroOrMoreItems;
+}
+
+SequenceType::List UnresolvedVariableReference::expectedOperandTypes() const
+{
+    return SequenceType::List();
+}
+
+ExpressionVisitorResult::Ptr UnresolvedVariableReference::accept(const ExpressionVisitor::Ptr &visitor) const
+{
+    return visitor->visit(this);
+}
+
+Expression::ID UnresolvedVariableReference::id() const
+{
+    return IDUnresolvedVariableReference;
+}
+
+QT_END_NAMESPACE