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bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/location.hh

Index: bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/location.hh
===================================================================
--- bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/location.hh	(revision 0)
+++ bison/src/bison/2.4.1/bison-2.4.1-src/examples/calc++/location.hh	(revision 0)
@@ -0,0 +1,171 @@
+
+/* A Bison parser, made by GNU Bison 2.4.1.  */
+
+/* Locations 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.  */
+
+/* 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 location.hh
+ ** Define the yy::location class.
+ */
+
+#ifndef BISON_LOCATION_HH
+# define BISON_LOCATION_HH
+
+# include <iostream>
+# include <string>
+# include "position.hh"
+
+
+/* Line 162 of location.cc  */
+#line 1 "[Bison:b4_percent_define_default]"
+
+namespace yy {
+
+/* Line 162 of location.cc  */
+#line 54 "./location.hh"
+
+  /// Abstract a location.
+  class location
+  {
+  public:
+
+    /// Construct a location.
+    location ()
+      : begin (), end ()
+    {
+    }
+
+
+    /// Initialization.
+    inline void initialize (std::string* fn)
+    {
+      begin.initialize (fn);
+      end = begin;
+    }
+
+    /** \name Line and Column related manipulators
+     ** \{ */
+  public:
+    /// Reset initial location to final location.
+    inline void step ()
+    {
+      begin = end;
+    }
+
+    /// Extend the current location to the COUNT next columns.
+    inline void columns (unsigned int count = 1)
+    {
+      end += count;
+    }
+
+    /// Extend the current location to the COUNT next lines.
+    inline void lines (unsigned int count = 1)
+    {
+      end.lines (count);
+    }
+    /** \} */
+
+
+  public:
+    /// Beginning of the located region.
+    position begin;
+    /// End of the located region.
+    position end;
+  };
+
+  /// Join two location objects to create a location.
+  inline const location operator+ (const location& begin, const location& end)
+  {
+    location res = begin;
+    res.end = end.end;
+    return res;
+  }
+
+  /// Add two location objects.
+  inline const location operator+ (const location& begin, unsigned int width)
+  {
+    location res = begin;
+    res.columns (width);
+    return res;
+  }
+
+  /// Add and assign a location.
+  inline location& operator+= (location& res, unsigned int width)
+  {
+    res.columns (width);
+    return res;
+  }
+
+  /// Compare two location objects.
+  inline bool
+  operator== (const location& loc1, const location& loc2)
+  {
+    return loc1.begin == loc2.begin && loc1.end == loc2.end;
+  }
+
+  /// Compare two location objects.
+  inline bool
+  operator!= (const location& loc1, const location& loc2)
+  {
+    return !(loc1 == loc2);
+  }
+
+  /** \brief Intercept output stream redirection.
+   ** \param ostr the destination output stream
+   ** \param loc a reference to the location to redirect
+   **
+   ** Avoid duplicate information.
+   */
+  inline std::ostream& operator<< (std::ostream& ostr, const location& loc)
+  {
+    position last = loc.end - 1;
+    ostr << loc.begin;
+    if (last.filename
+	&& (!loc.begin.filename
+	    || *loc.begin.filename != *last.filename))
+      ostr << '-' << last;
+    else if (loc.begin.line != last.line)
+      ostr << '-' << last.line  << '.' << last.column;
+    else if (loc.begin.column != last.column)
+      ostr << '-' << last.column;
+    return ostr;
+  }
+
+
+/* Line 271 of location.cc  */
+#line 1 "[Bison:b4_percent_define_default]"
+
+} // yy
+
+/* Line 271 of location.cc  */
+#line 170 "./location.hh"
+
+#endif // not BISON_LOCATION_HH