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diff --git a/src/tools/qdoc/qmlparser/qqmljsmemorypool_p.h b/src/tools/qdoc/qmlparser/qqmljsmemorypool_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQMLJSMEMORYPOOL_P_H
+#define QQMLJSMEMORYPOOL_P_H
+
+//
+//  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.
+//
+
+#include "qqmljsglobal_p.h"
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qshareddata.h>
+#include <QtCore/qdebug.h>
+
+#include <cstring>
+
+QT_QML_BEGIN_NAMESPACE
+
+namespace QQmlJS {
+
+class QML_PARSER_EXPORT MemoryPool : public QSharedData
+{
+    MemoryPool(const MemoryPool &other);
+    void operator =(const MemoryPool &other);
+
+public:
+    MemoryPool()
+        : _blocks(0),
+          _allocatedBlocks(0),
+          _blockCount(-1),
+          _ptr(0),
+          _end(0)
+    { }
+
+    ~MemoryPool()
+    {
+        if (_blocks) {
+            for (int i = 0; i < _allocatedBlocks; ++i) {
+                if (char *b = _blocks[i])
+                    qFree(b);
+            }
+
+            qFree(_blocks);
+        }
+    }
+
+    inline void *allocate(size_t size)
+    {
+        size = (size + 7) & ~7;
+        if (_ptr && (_ptr + size < _end)) {
+            void *addr = _ptr;
+            _ptr += size;
+            return addr;
+        }
+        return allocate_helper(size);
+    }
+
+    void reset()
+    {
+        _blockCount = -1;
+        _ptr = _end = 0;
+    }
+
+private:
+    void *allocate_helper(size_t size)
+    {
+        Q_ASSERT(size < BLOCK_SIZE);
+
+        if (++_blockCount == _allocatedBlocks) {
+            if (! _allocatedBlocks)
+                _allocatedBlocks = DEFAULT_BLOCK_COUNT;
+            else
+                _allocatedBlocks *= 2;
+
+            _blocks = (char **) qRealloc(_blocks, sizeof(char *) * _allocatedBlocks);
+
+            for (int index = _blockCount; index < _allocatedBlocks; ++index)
+                _blocks[index] = 0;
+        }
+
+        char *&block = _blocks[_blockCount];
+
+        if (! block)
+            block = (char *) qMalloc(BLOCK_SIZE);
+
+        _ptr = block;
+        _end = _ptr + BLOCK_SIZE;
+
+        void *addr = _ptr;
+        _ptr += size;
+        return addr;
+    }
+
+private:
+    char **_blocks;
+    int _allocatedBlocks;
+    int _blockCount;
+    char *_ptr;
+    char *_end;
+
+    enum
+    {
+        BLOCK_SIZE = 8 * 1024,
+        DEFAULT_BLOCK_COUNT = 8
+    };
+};
+
+class QML_PARSER_EXPORT Managed
+{
+    Managed(const Managed &other);
+    void operator = (const Managed &other);
+
+public:
+    Managed() {}
+    ~Managed() {}
+
+    void *operator new(size_t size, MemoryPool *pool) { return pool->allocate(size); }
+    void operator delete(void *) {}
+    void operator delete(void *, MemoryPool *) {}
+};
+
+} // namespace QQmlJS
+
+QT_QML_END_NAMESPACE
+
+#endif