--          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.
--
class CST_ATT_INTEGER

inherit CST_ATT

creation make, implicit

feature

   value(i: INTEGER): INTEGER_CONSTANT is
      do
         Result := value_mem
      end

feature {NONE}

   value_mem: INTEGER_CONSTANT

   make(n: like names; t: like result_type; v: like value) is
      require
         n /= Void
         t.is_integer
         v /= Void
      do
         make_e_feature(n)
         result_type := t
         value_mem := v
      ensure
         names = n
         result_type = t
         value_mem = v
      end

   implicit(bc: like base_class; sfn: FEATURE_NAME; v: INTEGER) is
	 -- Allow the creation of some implicit constant attribute of
	 -- value `v' written in class `bc'. As an example, this routine is
	 -- used to create the implicit `count' attribute of type TUPLE.
      require
	 bc /= Void; sfn.is_simple_feature_name
      local
	 fnl: like names; sp: POSITION; type_integer: TYPE_INTEGER
	 ic: INTEGER_CONSTANT; sign: INTEGER_8
      do
	 base_class := bc
	 create fnl.make_1(sfn)
	 sp.set_in(bc)
	 create type_integer.integer(sp)
	 if v < 0 then
	    sign := -1
	    create ic.make(sign, v, sp)
	 else
	    create ic.make(sign, -v, sp)
	 end
	 make(fnl,type_integer,ic)
	 clients := omitted_client_list
      end

   pretty_constant_value_ is
      do
	 value_mem.pretty_print
      end

end -- CST_ATT_INTEGER

