--          This file is part of SmartEiffel The GNU Eiffel Compiler.
--       Copyright (C) 1994-2002 LORIA - INRIA - U.H.P. Nancy 1 - FRANCE
--          Dominique COLNET and Suzanne COLLIN - SmartEiffel@loria.fr
--                       http://SmartEiffel.loria.fr
-- SmartEiffel 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. SmartEiffel 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  SmartEiffel;  see the file COPYING.  If not,
-- write to the  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-- Boston, MA 02111-1307, USA.
--
deferred class DEFERRED_ROUTINE
   --
   -- For all sorts of deferred routines.
   --

inherit E_ROUTINE

feature

   is_deferred: BOOLEAN is true

   frozen set_rescue_compound(c: COMPOUND) is
      do
         if c /= Void then
            error_handler.add_position(c.start_position)
         else
            error_handler.add_position(start_position)
         end
         error_handler.append("Deferred feature must not have rescue compound.")
         error_handler.print_as_fatal_error
      end

   to_run_feature(t: E_TYPE; fn: FEATURE_NAME): RUN_FEATURE_9 is
      do
         !!Result.make(t,fn,Current)
      end

feature {NONE}

   pretty_print_routine_body is
      do
         pretty_printer.put_string(fz_deferred)
      end

   pretty_print_rescue is
      do
      end

feature {NONE}

   try_to_undefine_aux(fn: FEATURE_NAME
                       bc: BASE_CLASS): DEFERRED_ROUTINE is
      do
         Result := Current
      end

end -- DEFERRED_ROUTINE