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diff --git a/thirdparty/qjson/position.hh b/thirdparty/qjson/position.hh
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+/* A Bison parser, made by GNU Bison 2.3.  */
+
+/* Positions for Bison parsers in C++
+
+   Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/**
+ ** \file position.hh
+ ** Define the yy::position class.
+ */
+
+#ifndef BISON_POSITION_HH
+# define BISON_POSITION_HH
+
+# include <iostream>
+# include <string>
+
+namespace yy
+{
+  /// Abstract a position.
+  class position
+  {
+  public:
+
+    /// Construct a position.
+    position ()
+      : filename (0), line (1), column (0)
+    {
+    }
+
+
+    /// Initialization.
+    inline void initialize (std::string* fn)
+    {
+      filename = fn;
+      line = 1;
+      column = 0;
+    }
+
+    /** \name Line and Column related manipulators
+     ** \{ */
+  public:
+    /// (line related) Advance to the COUNT next lines.
+    inline void lines (int count = 1)
+    {
+      column = 0;
+      line += count;
+    }
+
+    /// (column related) Advance to the COUNT next columns.
+    inline void columns (int count = 1)
+    {
+      int leftmost = 0;
+      int current  = column;
+      if (leftmost <= current + count)
+	column += count;
+      else
+	column = 0;
+    }
+    /** \} */
+
+  public:
+    /// File name to which this position refers.
+    std::string* filename;
+    /// Current line number.
+    unsigned int line;
+    /// Current column number.
+    unsigned int column;
+  };
+
+  /// Add and assign a position.
+  inline const position&
+  operator+= (position& res, const int width)
+  {
+    res.columns (width);
+    return res;
+  }
+
+  /// Add two position objects.
+  inline const position
+  operator+ (const position& begin, const int width)
+  {
+    position res = begin;
+    return res += width;
+  }
+
+  /// Add and assign a position.
+  inline const position&
+  operator-= (position& res, const int width)
+  {
+    return res += -width;
+  }
+
+  /// Add two position objects.
+  inline const position
+  operator- (const position& begin, const int width)
+  {
+    return begin + -width;
+  }
+
+  /** \brief Intercept output stream redirection.
+   ** \param ostr the destination output stream
+   ** \param pos a reference to the position to redirect
+   */
+  inline std::ostream&
+  operator<< (std::ostream& ostr, const position& pos)
+  {
+    if (pos.filename)
+      ostr << *pos.filename << ':';
+    return ostr << pos.line << '.' << pos.column;
+  }
+
+}
+#endif // not BISON_POSITION_HH