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diff --git a/src/tools/qlalr/recognizer.h b/src/tools/qlalr/recognizer.h
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+
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QLALR project on Qt Labs.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia 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.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "grammar_p.h"
+
+#include "lalr.h"
+
+#include <QtCore/qdebug.h>
+#include <QtCore/qstring.h>
+#include <QtCore/qfile.h>
+#include <QtCore/qtextstream.h>
+
+#include <cstdlib>
+
+class Recognizer: protected grammar
+{
+public:
+  Recognizer (Grammar *grammar, bool no_lines);
+  ~Recognizer();
+
+  bool parse (const QString &input_file = QString ());
+
+  inline QString decls () const { return _M_decls; }
+  inline QString impls () const { return _M_impls; }
+
+protected:
+  inline void reallocateStack ();
+
+  inline QString &sym (int index)
+  { return sym_stack [tos + index - 1]; }
+
+protected: // scanner
+  int nextToken();
+
+  inline void inp ()
+  {
+    if (_M_currentChar != _M_lastChar)
+      {
+        ch = *_M_currentChar++;
+
+        if (ch == QLatin1Char('\n'))
+          ++_M_line;
+      }
+    else
+      ch = QChar();
+  }
+
+  QString expand (const QString &text) const;
+
+protected:
+  // recognizer
+  int tos;
+  int stack_size;
+  QVector<QString> sym_stack;
+  int *state_stack;
+
+  QString _M_contents;
+  QString::const_iterator _M_firstChar;
+  QString::const_iterator _M_lastChar;
+  QString::const_iterator _M_currentChar;
+
+  // scanner
+  QChar ch;
+  int _M_line;
+  int _M_action_line;
+  Grammar *_M_grammar;
+  RulePointer _M_current_rule;
+  QString _M_input_file;
+
+  QString _M_decls;
+  QString _M_impls;
+  QString _M_current_value;
+  bool _M_no_lines;
+};