[gforth] / gforth / history.fs  

gforth: gforth/history.fs

Diff for /gforth/history.fs between version 1.18 and 1.19

version 1.18, Sun Dec 12 12:49:51 1999 UTC version 1.19, Sun Dec 12 18:35:54 1999 UTC
Line 63 
Line 63 
 2Variable end^  2Variable end^
   
 : force-open ( addr len -- fid )  : force-open ( addr len -- fid )
   2dup r/w open-file 0<      2dup r/w open-file
   IF  drop r/w create-file      IF
       throw ELSE  nip nip  THEN ;          drop r/w create-file throw
       ELSE
           nip nip
       THEN ;
   
 s" os-class" environment? [IF] s" unix" compare 0= [ELSE] true [THEN]  s" os-class" environment? [IF] s" unix" compare 0= [ELSE] true [THEN]
 [IF]  [IF]
Line 87 
Line 90 
   s" /ghist.fs" pad +place pad count ;    s" /ghist.fs" pad +place pad count ;
 [THEN]  [THEN]
   
 : get-history ( addr len -- )  
     ['] force-open catch  
     dup 0< IF  ." can't open " history-file type cr throw  THEN  drop  
     to history  
     history file-size throw  
     2dup forward^ 2! 2dup backward^ 2! end^ 2! ;  
   
 : history-cold ( -- )  
     history-file get-history ;  
   
 ' history-cold INIT8 chained  
 history-cold  
   
 \ moving in history file                               16oct94py  \ moving in history file                               16oct94py
   
 : clear-line ( max span addr pos1 -- max addr )  : clear-line ( max span addr pos1 -- max addr )
Line 231 
Line 221 
 ' (enter)    #lf    cells ctrlkeys + !  ' (enter)    #lf    cells ctrlkeys + !
 ' (enter)    #cr    cells ctrlkeys + !  ' (enter)    #cr    cells ctrlkeys + !
 ' tab-expand #tab   cells ctrlkeys + !  ' tab-expand #tab   cells ctrlkeys + !
   
   \ initializing history
   
   : get-history ( addr len -- )
       ['] force-open catch
       ?dup-if
           \ !! >stderr
           history-file type ." : " .error cr 2drop
           ['] false ['] false ['] (ret)
       else
           to history
           history file-size throw
           2dup forward^ 2! 2dup backward^ 2! end^ 2!
           ['] next-line ['] prev-line ['] (enter)
       endif
       dup
       [ #lf    cells ctrlkeys + ]L !
       [ #cr    cells ctrlkeys + ]L !
       [ ctrl P cells ctrlkeys + ]L !
       [ ctrl N cells ctrlkeys + ]L !
   ;
   
   : history-cold ( -- )
       history-file get-history ;
   
   ' history-cold INIT8 chained
   history-cold
   

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Removed from v.1.18  
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  Added in v.1.19
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