--          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 CREATION_CLAUSE_LIST
   
inherit GLOBALS;

creation {BASE_CLASS}
   make
   
feature {NONE}
   
   list: ARRAY[CREATION_CLAUSE];
   
feature {NONE}
   
   make(l: like list) is
      require
	 l.lower = 1;
	 not l.empty;
      do
	 list := l;
      ensure
	 list = l;
      end;
   
feature 

   start_position: POSITION is
      do
	 Result := list.first.start_position;
      end;

   pretty_print is
      local
	 i: INTEGER;
      do
	 from  
	    i := 1;
	 until
	    i > list.upper
	 loop
	    list.item(i).pretty_print;
	    if not fmt.zen_mode then
	       fmt.set_indent_level(0);
	       fmt.skip(1);
	    end;
	    i := i + 1;
	 end;
      end;
   
   short: BOOLEAN is
	 -- True when at least one creation list is printed.
      local
	 i: INTEGER;
      do
	 from  
	    i := 1;
	 until
	    i > list.upper
	 loop
	    Result := list.item(i).short(Result) or else Result;
	    i := i + 1;
	 end;
      end;
   
   get_clause(fn: FEATURE_NAME): CREATION_CLAUSE is
      local
	 i: INTEGER;
      do
	 from  
	    i := 1;
	 until
	    i > list.upper or else list.item(i).has(fn)
	 loop
	    i := i + 1;
	 end;
	 if i <= list.upper then
	    Result := list.item(i);
	 end;
      end;
   
feature {BASE_CLASS}
   
   add_last(cc: CREATION_CLAUSE) is
      require
	 cc /= Void;
      do
	 list.add_last(cc);
      end;
   
   check_expanded_with(t: TYPE) is
      require
	 t.is_expanded;
      do
	 if list.upper > 1 then
	    eh.add_type(t,fz_cbe);
	    eh.add_position(list.item(1).start_position);
	    eh.add_position(list.item(2).start_position);
	    fatal_error_vtec_2;
	 end;
	 list.item(1).check_expanded_with(t);
      end;
   
   expanded_initializer(t: TYPE): RUN_FEATURE_3 is
      require
	 t.is_expanded;
	 not t.is_basic_eiffel_expanded;
	 list.count = 1
      do
	 Result := list.item(1).expanded_initializer(t);
      end;
   
invariant
   
   list.lower = 1;
   
   not list.empty;
   
end -- CREATION_CLAUSE_LIST