--          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.
--
deferred class EFFECTIVE_ROUTINE
--   
-- Such a routine can have local variables. 
--

inherit ROUTINE;
   
feature 
   
   routine_body: COMPOUND;
   
feature {NONE}
   
   use_current_state: INTEGER;
   
   computed_true: INTEGER is unique;
   
   computed_false: INTEGER is unique;
   
   not_computed: INTEGER is unique;
   
   in_computation: INTEGER is unique;
   
   pretty_print_routine_body is
      do
	 if local_vars /= Void then
	    local_vars.pretty_print;
	 end;
	 fmt.indent;
	 pretty_print_once_or_do;
	 fmt.put_character(' ');
	 if routine_body /= Void then
	    routine_body.pretty_print;
	 end;
      end; 
   
   pretty_print_once_or_do is
      do
	 fmt.keyword("do");
      end;
	 
   make_effective_routine(n: like names; 
			  fa: like arguments; 
			  om: like obsolete_mark;
			  hc: like header_comment;
			  ra: like require_assertion; 
			  lv: like local_vars;
			  rb: like routine_body) is
      do
	 make_routine(n,fa,om,hc,ra);
	 local_vars := lv;
	 routine_body := rb;
	 use_current_state := not_computed;
      ensure      
      	 local_vars = lv;
	 routine_body = rb;
      end;

end -- EFFECTIVE_ROUTINE