version 1.11, 2006/03/25 18:37:16
|
version 1.19, 2010/12/31 18:09:02
|
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) 1995,1996,1997,1998,1999,2000,2003,2006,2007,2010 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 ; |
|
|
|
\ simple include for terminal.fs |
|
|
|
: 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 ; |