--          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 ADDRESS_OF_POOL
   --
   -- Unique global object in charge of $ operator calls.
   --

inherit GLOBALS;

feature {NONE}

   registered: FIXED_ARRAY[RUN_FEATURE] is
      once
	 !!Result.with_capacity(64);
      end;

   caller_memory: FIXED_ARRAY[ADDRESS_OF] is
      once
	 !!Result.with_capacity(64);
      end;

feature {ADDRESS_OF}

   register_for(address_of: ADDRESS_OF) is
      require
	 address_of /= Void
      local
	 rf: RUN_FEATURE;
      do
	 rf := address_of.run_feature;
	 if not registered.fast_has(rf) then
	    registered.add_last(rf);
	    caller_memory.add_last(address_of);
	 end;
      ensure
	 registered.fast_has(rf)
      end;

feature {SMALL_EIFFEL}

   c_define is
      local
	 i: INTEGER;
      do
	 i := registered.upper;
	 if i >= 0 then
	    from
	       cpp.split_c_now;
	    until
	       i < 0 
	    loop
	       registered.item(i).address_of_c_define(caller_memory.item(i));
	       i := i - 1;
	    end;
	 end;
      end;

end -- ADDRESS_OF_POOL