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diff --git a/tests/auto/xmlpatternssdk/DebugExpressionFactory.h b/tests/auto/xmlpatternssdk/DebugExpressionFactory.h
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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 test suite 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef PatternistSDK_DebugExpressionFactory_H
+#define PatternistSDK_DebugExpressionFactory_H
+
+#include "Global.h"
+#include "qexpressionfactory_p.h"
+#include "qfunctionfactory_p.h"
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+namespace QPatternistSDK
+{
+    class ASTItem;
+
+    /**
+     * @short Is a QPatternist::ExpressionFactory, with the
+     * difference that it provides the hooks for building from a tree of
+     * debug data from the compiled expression.
+     *
+     * This tree can be retrieved via astTree(). The astTree() function
+     * returns the AST built the last time createExpression() was called.
+     *
+     * @ingroup PatternistSDK
+     * @author Frans Englich <frans.englich@nokia.com>
+     */
+    class Q_PATTERNISTSDK_EXPORT DebugExpressionFactory : public QPatternist::ExpressionFactory
+    {
+    public:
+        DebugExpressionFactory() : m_ast(0)
+        {
+        }
+
+        typedef QExplicitlySharedDataPointer<DebugExpressionFactory> Ptr;
+        /**
+         * Identical to ExpressionFactory::createExpression() with the difference
+         * that it builds an ASTItem tree which can be accessed via astTree().
+         */
+        virtual QPatternist::Expression::Ptr createExpression(QIODevice *const expr,
+                                                              const QPatternist::StaticContext::Ptr &context,
+                                                              const QXmlQuery::QueryLanguage lang,
+                                                              const QPatternist::SequenceType::Ptr &requiredType,
+                                                              const QUrl &queryURI,
+                                                              const QXmlName &initialTemplateName);
+
+        /**
+         * @returns an ASTItem tree built for the last created expression,
+         * via createExpression().
+         */
+        virtual ASTItem *astTree() const;
+
+        /**
+         * @returns a list containing string representations of all available
+         * functions in Patternist. Each QString in the returned QStringList
+         * is a function synopsis for human consumption.
+         */
+        static QStringList availableFunctionSignatures();
+
+    protected:
+        /**
+         * Performs the ASTItem tree building.
+         */
+        virtual void processTreePass(const QPatternist::Expression::Ptr &tree,
+                                     const CompilationStage stage);
+
+        void processTemplateRule(const QPatternist::Expression::Ptr &body,
+                                 const QPatternist::TemplatePattern::Ptr &pattern,
+                                 const QXmlName &mode,
+                                 const TemplateCompilationStage stage);
+
+        void processNamedTemplate(const QXmlName &name,
+                                  const QPatternist::Expression::Ptr &body,
+                                  const TemplateCompilationStage stage);
+    private:
+        static ASTItem *buildASTTree(const QPatternist::Expression::Ptr &expr,
+                                     ASTItem *const parent,
+                                     const QPatternist::SequenceType::Ptr &reqType);
+        ASTItem *m_ast;
+    };
+}
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif
+// vim: et:ts=4:sw=4:sts=4