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diff --git a/src/tools/moc/preprocessor.h b/src/tools/moc/preprocessor.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 tools applications 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 PREPROCESSOR_H
+#define PREPROCESSOR_H
+
+#include "parser.h"
+#include <QList>
+#include <QSet>
+#include <stdio.h>
+
+QT_BEGIN_NAMESPACE
+
+struct Macro
+{
+    Symbols symbols;
+};
+
+#ifdef USE_LEXEM_STORE
+typedef QByteArray MacroName;
+#else
+typedef SubArray MacroName;
+#endif
+typedef QHash<MacroName, Macro> Macros;
+typedef QVector<MacroName> MacroSafeSet;
+
+
+class Preprocessor : public Parser
+{
+public:
+    Preprocessor(){}
+    static bool preprocessOnly;
+    struct IncludePath
+    {
+        inline explicit IncludePath(const QByteArray &_path)
+            : path(_path), isFrameworkPath(false) {}
+        QByteArray path;
+        bool isFrameworkPath;
+    };
+    QList<IncludePath> includes;
+    QList<QByteArray> frameworks;
+    QSet<QByteArray> preprocessedIncludes;
+    Macros macros;
+    Symbols preprocessed(const QByteArray &filename, FILE *file);
+
+
+    void skipUntilEndif();
+    bool skipBranch();
+
+    void substituteMacro(const MacroName &macro, Symbols &substituted, MacroSafeSet safeset = MacroSafeSet());
+    void substituteUntilNewline(Symbols &substituted, MacroSafeSet safeset = MacroSafeSet());
+
+    int evaluateCondition();
+
+
+private:
+    void until(Token);
+
+    void preprocess(const QByteArray &filename, Symbols &preprocessed);
+};
+
+QT_END_NAMESPACE
+
+#endif // PREPROCESSOR_H