File:  [gforth] / gforth / kernel / saccept.fs
Revision 1.3: download - view: text, annotated - select for diffs
Tue Dec 8 22:03:13 1998 UTC (23 years, 8 months ago) by anton
Branches: MAIN
CVS tags: v0-4-0, HEAD
updated dates in copyright messages
inserted copyright messages in most files that did not have them
removed outdated files engine/32bit.h engine/strsig.c

    1: \ a very simple accept approach
    2: 
    3: \ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
    4: 
    5: \ This file is part of Gforth.
    6: 
    7: \ Gforth is free software; you can redistribute it and/or
    8: \ modify it under the terms of the GNU General Public License
    9: \ as published by the Free Software Foundation; either version 2
   10: \ of the License, or (at your option) any later version.
   11: 
   12: \ This program is distributed in the hope that it will be useful,
   13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   15: \ GNU General Public License for more details.
   16: 
   17: \ You should have received a copy of the GNU General Public License
   18: \ along with this program; if not, write to the Free Software
   19: \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   20: 
   21: : accept ( adr len -- len )
   22:   over + over ( start end pnt )
   23:   BEGIN
   24:    key dup #del = IF drop #bs THEN
   25:    dup bl u<
   26:    IF	dup #cr = over #lf = or IF space drop nip swap - EXIT THEN
   27: 	#bs = IF 3 pick over <> 
   28:     	IF 1 chars - #bs emit bl emit #bs emit ELSE bell THEN THEN
   29:    ELSE	>r 2dup <> IF r> dup emit over c! char+ ELSE r> drop bell THEN
   30:    THEN 
   31:   AGAIN ;
   32:   

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