--          This file is part of SmallEiffel The GNU Eiffel Compiler.
--          Copyright (C) 1994-98 LORIA - UHP - CRIN - INRIA - FRANCE
--            Dominique COLNET and Suzanne COLLIN - colnet@loria.fr 
--                       http://www.loria.fr/SmallEiffel
-- SmallEiffel 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. SmallEiffel 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  SmallEiffel;  see the file COPYING.  If not,
-- write to the  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-- Boston, MA 02111-1307, USA.
--
class ARGUMENT_NAME1
   --
   -- An argument name in some declaration list.
   --

inherit LOCAL_ARGUMENT1; ARGUMENT_NAME;

creation {TMP_NAME} make

feature {NONE}

   make(sp: POSITION; n: STRING) is
      require
	 sp /= Void;
	 n /= Void
      do
	 start_position := sp;
	 to_string := unique_string.item(n);
      ensure
	 start_position = sp;
	 to_string = unique_string.item(n)
      end;

feature
   
   to_runnable(ct: TYPE): like Current is
      local
	 rt: TYPE;
      do
	 rt := result_type.to_runnable(ct);
	 if rt = Void then
	    eh.add_position(result_type.start_position);
	    error(start_position,"Bad argument.");
	 end;
	 if result_type = rt then
	    Result := Current;
	 else
	    Result := twin;
	    Result.set_result_type(rt);
	 end;
      end;

feature {DECLARATION_LIST}

   name_clash(ct: TYPE) is
      do
	 name_clash_for(ct,"Conflict between argument/feature name (VRFA).");
      end;

end -- ARGUMENT_NAME1

