Diff for /gforth/history.fs between versions 1.12 and 1.17

version 1.12, 1996/08/21 14:58:41 version 1.17, 1998/10/14 22:23:12
Line 56  interpret/compile: ctrl  ( "<char>" -- c Line 56  interpret/compile: ctrl  ( "<char>" -- c
   
 \ history support                                       16oct94py  \ history support                                       16oct94py
   
 0 Value history  0 Value history \ history file fid
   
 2Variable forward^  2Variable forward^
 2Variable backward^  2Variable backward^
 2Variable end^  2Variable end^
   
 : force-open ( addr len -- handle )  : force-open ( addr len -- fid )
   2dup r/w open-file 0<    2dup r/w open-file 0<
   IF  drop r/w create-file throw  ELSE  nip nip  THEN ;    IF  drop r/w create-file
         throw  ELSE  nip nip  THEN ;
   
 : get-history ( addr len -- wid )  s" os-class" environment? [IF] s" unix" compare 0= [ELSE] true [THEN] 
   force-open to history  [IF]
   history file-size throw  : history-file ( -- addr u )
   2dup forward^ 2! 2dup backward^ 2! end^ 2! ;      s" GFORTHHIST" getenv dup 0= IF
           2drop s" ~/.gforth-history"
       THEN ;
   [ELSE]
   
 s" ~/.gforth-history" get-history  : history-dir ( -- addr u )
     s" TMP" getenv ?dup ?EXIT drop
     s" TEMP" getenv ?dup ?EXIT drop
     s" c:/" ;
   
   : history-file ( -- addr u )
     s" GFORTHHIST" getenv ?dup ?EXIT
     drop
     history-dir pad place
     s" /ghist.fs" pad +place pad count ;
   [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-cold ( -- )
     Defers 'cold      history-file get-history ;
     s" ~/.gforth-history" get-history ;  
   
 ' history-cold IS 'cold  ' history-cold INIT8 chained
   history-cold
   
 \ moving in history file                               16oct94py  \ moving in history file                               16oct94py
   
Line 180  Create prefix-found  0 , 0 , Line 201  Create prefix-found  0 , 0 ,
 : search-prefix  ( addr1 len1 -- addr2 len2 )  : search-prefix  ( addr1 len1 -- addr2 len2 )
     0 vp dup @ 1- cells over +      0 vp dup @ 1- cells over +
     DO  I 2@ <>      DO  I 2@ <>
         IF  I cell+ @ @ swap  search-voc  THEN          IF  I cell+ @ wordlist-id @ swap  search-voc  THEN
         [ -1 cells ] Literal +LOOP          [ -1 cells ] Literal +LOOP
     prefix-string ;      prefix-string ;
   

Removed from v.1.12  
changed lines
  Added in v.1.17


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