\ Structural Conditionals, loops part 12dec92py \ Copyright (C) 1995,1996,1997,1999,2001,2003,2006 Free Software Foundation, Inc. \ This file is part of Gforth. \ Gforth 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 3 \ of the License, or (at your option) any later version. \ This program 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 this program. If not, see http://www.gnu.org/licenses/. \ Structural Conditionals 12dec92py \ this works with flash : (leave) -1 , ; : LEAVE postpone branch (leave) ; immediate restrict : ?LEAVE postpone 0= postpone ?branch (leave) ; immediate restrict : DONE ( addr -- ) here swap ?DO I @ ['] branch = I @ ['] ?branch = or I @ ['] (?do) = or I cell+ @ -1 = and IF I cell+ >resolve THEN cell +LOOP ; immediate restrict \ Structural Conditionals 12dec92py : DO postpone (do) here ; immediate restrict : ?DO postpone (?do) (leave) here ; immediate restrict : FOR postpone (for) here ; immediate restrict : loop] dup