\ a very simple accept approach \ Copyright (C) 1995,1996,1997,1998,1999 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 2 \ 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, write to the Free Software \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. require ./io.fs : accept ( adr len -- len ) over + over ( start end pnt ) BEGIN key dup #del = IF drop #bs THEN dup bl u< IF dup #cr = over #lf = or IF space drop nip swap - EXIT THEN #bs = IF 3 pick over <> IF 1 chars - #bs emit bl emit #bs emit ELSE bell THEN THEN ELSE >r 2dup <> IF r> dup emit over c! char+ ELSE r> drop bell THEN THEN AGAIN ;