[BACK]Return to saccept.fs CVS log [TXT] [DIR] Up to [gforth] / gforth / kernel

Diff for /gforth/kernel/saccept.fs between versions 1.11 and 1.17

version 1.11, 2006/03/25 18:37:16 version 1.17, 2010/06/10 09:50:03
Line 1 Line 1
 \ a very simple accept approach  \ a very simple accept approach
   
 \ Copyright (C) 1995,1996,1997,1998,1999,2000,2003 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2006,2007 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
 \ Gforth is free software; you can redistribute it and/or  \ Gforth is free software; you can redistribute it and/or
 \ modify it under the terms of the GNU General Public License  \ modify it under the terms of the GNU General Public License
 \ as published by the Free Software Foundation; either version 2  \ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.  \ of the License, or (at your option) any later version.
   
 \ This program is distributed in the hope that it will be useful,  \ This program is distributed in the hope that it will be useful,
Line 15 Line 15
 \ GNU General Public License for more details.  \ GNU General Public License for more details.
   
 \ You should have received a copy of the GNU General Public License  \ You should have received a copy of the GNU General Public License
 \ along with this program; if not, write to the Free Software  \ along with this program. If not, see http://www.gnu.org/licenses/.
 \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  
   
 require ./io.fs  require ./io.fs
   
 \ : xon $11 emit ;  \ : xon $11 emit ;
 \ : xoff $13 emit ;  \ : xoff $13 emit ;
   
   Variable eof
   Variable echo  -1 echo !
   
 : accept ( adr len -- len )  : accept ( adr len -- len )
   ( xon ) over + over ( start end pnt )    ( xon ) over + over ( start end pnt )  eof off
   BEGIN    BEGIN
    key dup #del = IF drop #bs THEN     key dup #del = IF drop #bs THEN
    dup bl u<     dup bl u<
    IF   dup #cr = over #lf = or IF  space drop nip swap - ( xoff ) EXIT THEN     IF
         #bs = IF 3 pick over <> over 0> and          dup #cr = over #lf = or IF
         IF 1 chars - #bs emit bl emit #bs emit ELSE bell THEN THEN             echo @ IF  space  THEN  drop nip swap - ( xoff ) EXIT THEN
    ELSE >r 2dup <> IF r> dup emit over c! char+ ELSE r> drop bell THEN         dup #eof = IF  eof on  THEN
          #bs = IF 2 pick over <>
              IF 1 chars -
                  echo @ IF  #bs emit bl emit #bs emit  THEN
              ELSE  echo @ IF  bell  THEN  THEN  THEN
      ELSE >r 2dup <> IF r>
              echo @ IF  dup emit  THEN
              over c! char+ ELSE r> drop bell THEN
    THEN      THEN 
   AGAIN ;    AGAIN ;
       
   : refill-loop ( -- )
       BEGIN  3 emit refill  WHILE  interpret  REPEAT ;   
   : included ( addr u -- )
       2 emit dup $20 + emit type
       echo @ IF
           echo off ['] refill-loop catch
           dup IF  4 emit  THEN  echo on  throw
       THEN ;
   : include ( "file" -- )  parse-name included ;
Removed from v.1.11  
changed lines
  Added in v.1.17

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>