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Diff for /gforth/history.fs between versions 1.22 and 1.27

version 1.22, 2000/07/31 19:56:08 version 1.27, 2001/09/15 20:40:47
Line 1 Line 1
 \ command line edit and history support                 16oct94py  \ command line edit and history support                 16oct94py
   
 \ Copyright (C) 1995 Free Software Foundation, Inc.  \ Copyright (C) 1995,2000 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
Line 16 Line 16
   
 \ 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, write to the Free Software
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   
 :noname  :noname
     char [char] @ - ;      char [char] @ - ;
Line 41  interpret/compile: ctrl  ( "<char>" -- c Line 41  interpret/compile: ctrl  ( "<char>" -- c
 : (ret)  type-rest drop true space ;  : (ret)  type-rest drop true space ;
 : back  dup  IF  1- #bs emit  ELSE  #bell emit  THEN 0 ;  : back  dup  IF  1- #bs emit  ELSE  #bell emit  THEN 0 ;
 : forw 2 pick over <> IF  2dup + c@ emit 1+  ELSE  #bell emit  THEN 0 ;  : forw 2 pick over <> IF  2dup + c@ emit 1+  ELSE  #bell emit  THEN 0 ;
 : eof ( max span addr pos1 -- max span addr pos2 0 )  : <del> ( max span addr pos1 -- max span addr pos2 0 )
     2 pick over <>    2 pick over <>
     IF  forw drop (del)  ELSE  #bell emit  THEN  0 ;          IF  forw drop (del)  ELSE  #bell emit  THEN  0 ;
   : eof  2 pick over or 0=  IF  bye  ELSE  <del>  THEN ;
 ' forw  ctrl F cells ctrlkeys + !  
 ' back  ctrl B cells ctrlkeys + !  : bindkey ( xt key -- )  cells ctrlkeys + ! ;
 ' ?del  ctrl H cells ctrlkeys + !  
 ' eof   ctrl D cells ctrlkeys + !  ' forw  ctrl F bindkey
   ' back  ctrl B bindkey
   ' ?del  ctrl H bindkey
   ' eof   ctrl D bindkey
   ' <del> ctrl X bindkey
   
 ' (ins) IS insert-char  ' (ins) IS insert-char
   
Line 202  Create prefix-found  0 , 0 , Line 206  Create prefix-found  0 , 0 ,
     5 pick over 4 pick + prefix-found @ 0<> - < ;      5 pick over 4 pick + prefix-found @ 0<> - < ;
   
 : tab-expand ( max span addr pos1 -- max span addr pos2 0 )  : tab-expand ( max span addr pos1 -- max span addr pos2 0 )
     kill-expand  2dup extract-word search-prefix      kill-expand  2dup extract-word dup 0= IF  nip EXIT  THEN
     tib-full?      search-prefix  tib-full?
     IF    7 emit  2drop  0 0 prefix-found 2!      IF    7 emit  2drop  0 0 prefix-found 2!
     ELSE  bounds ?DO  I c@ (ins)  LOOP  THEN      ELSE  bounds ?DO  I c@ (ins)  LOOP  THEN
     prefix-found @ IF  bl (ins)  THEN  0 ;      prefix-found @ IF  bl (ins)  THEN  0 ;
Line 213  Create prefix-found  0 , 0 , Line 217  Create prefix-found  0 , 0 ,
   
 ' kill-prefix IS everychar  ' kill-prefix IS everychar
   
 ' next-line  ctrl N cells ctrlkeys + !  ' next-line  ctrl N bindkey
 ' prev-line  ctrl P cells ctrlkeys + !  ' prev-line  ctrl P bindkey
 ' clear-tib  ctrl K cells ctrlkeys + !  ' clear-tib  ctrl K bindkey
 ' first-pos  ctrl A cells ctrlkeys + !  ' first-pos  ctrl A bindkey
 ' end-pos    ctrl E cells ctrlkeys + !  ' end-pos    ctrl E bindkey
 ' (enter)    #lf    cells ctrlkeys + !  ' (enter)    #lf    bindkey
 ' (enter)    #cr    cells ctrlkeys + !  ' (enter)    #cr    bindkey
 ' tab-expand #tab   cells ctrlkeys + !  ' tab-expand #tab   bindkey
   
 \ initializing history  \ initializing history
   
Line 237  Create prefix-found  0 , 0 , Line 241  Create prefix-found  0 , 0 ,
         2dup forward^ 2! 2dup backward^ 2! end^ 2!          2dup forward^ 2! 2dup backward^ 2! end^ 2!
         ['] next-line ['] prev-line ['] (enter)          ['] next-line ['] prev-line ['] (enter)
     endif      endif
     dup      dup #lf bindkey
     [ #lf    cells ctrlkeys + ]L !          #cr bindkey
     [ #cr    cells ctrlkeys + ]L !       ctrl P bindkey
     [ ctrl P cells ctrlkeys + ]L !       ctrl N bindkey
     [ ctrl N cells ctrlkeys + ]L !  
 ;  ;
   
 : history-cold ( -- )  : history-cold ( -- )
Removed from v.1.22  
changed lines
  Added in v.1.27

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