--          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 E_PRECURSOR_PROCEDURE
   --   
   -- Handling of the pseudo variable "Current".
   --

inherit
   E_PRECURSOR
      redefine run_feature
      end;
   INSTRUCTION;
   
creation make

feature {NONE}

   run_feature: RUN_FEATURE_10;
   
feature
   
   end_mark_comment: BOOLEAN is false;

   is_pre_computable: BOOLEAN is false;

feature

   collect_c_tmp is
      do
	 if arguments /= Void then
	    arguments.collect_c_tmp;
	 end;
      end;
   
   to_runnable(ct: TYPE): like Current is
      local
	 wrf: RUN_FEATURE;
	 super: PROCEDURE;
	 pn: PRECURSOR_NAME;
      do
	 if current_type = Void then
	    current_type := ct;
	    Result := Current;
	    wrf := small_eiffel.top_rf;
	    if wrf.result_type /= Void then
	       eh.add_position(start_position);
	       fatal_error("Inside a function, a Precursor call must %
                           %be a function call (not a procedure call)."); 
	    end;
	    super ?= super_feature(wrf);
	    pn := precursor_name(wrf.name,super)
	    !!run_feature.make(ct,pn,super);
	    prepare_arguments(ct);
	 else
	    !!Result.make(start_position,parent,arguments);
	    Result := Result.to_runnable(ct);
	 end;
      end;
   
feature {NONE}

   put_semi_colon is
      do
	 if fmt.semi_colon_flag then
	    fmt.put_character(';');
	 end;
      end;

end -- E_PRECURSOR_PROCEDURE