Diff for /gforth/search.fs between versions 1.18 and 1.23

version 1.18, 2000/09/23 15:46:58 version 1.23, 2003/02/06 16:49:17
Line 18 Line 18
 \ along with this program; if not, write to the Free Software  \ along with this program; if not, write to the Free Software
 \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   
 $10 constant maxvp  $10 Value maxvp         \ current size of search order stack
 Variable vp  $400 Value maxvp-limit  \ upper limit for resizing search order stack
   0 A, 0 A,  0 A, 0 A,   0 A, 0 A,   0 A, 0 A,   0 AValue vp             \ will be initialized later (dynamic)
   0 A, 0 A,  0 A, 0 A,   0 A, 0 A,   0 A, 0 A,   
   
 : get-current  ( -- wid ) \ search  : get-current  ( -- wid ) \ search
   \G @i{wid} is the identifier of the current compilation word list.    \G @i{wid} is the identifier of the current compilation word list.
Line 71  Variable slowvoc   0 slowvoc ! Line 70  Variable slowvoc   0 slowvoc !
   Create wordlist drop  DOES> context ! ;    Create wordlist drop  DOES> context ! ;
   
 : check-maxvp ( n -- )  : check-maxvp ( n -- )
     maxvp > -49 and throw ;     dup maxvp-limit > -49 and throw
      dup maxvp > IF
         BEGIN  dup  maxvp 2* dup TO maxvp  <= UNTIL
         vp  maxvp 1+ cells resize throw TO vp
      THEN drop ;
   
 : >order ( wid -- ) \ gforth to-order  : >order ( wid -- ) \ gforth to-order
     \g Push @var{wid} on the search order.      \g Push @var{wid} on the search order.
Line 146  Vocabulary Root ( -- ) \ gforth Line 149  Vocabulary Root ( -- ) \ gforth
   \G order (for Gforth, this is the word list @code{Root}).    \G order (for Gforth, this is the word list @code{Root}).
   1 vp! Root also ;    1 vp! Root also ;
   
   : update-image-order ( -- )
       \ save search order here, let vp point there
       here vp over vp @ 1+ cells
       dup allot move
       to vp ;
   
   : init-vp  ( -- )
       vp @ $10 max to maxvp
       maxvp 1+ cells allocate throw
       vp over vp @ 1+ cells move
       TO vp ;
   
   :noname
      init-vp DEFERS 'cold ;
   IS 'cold
   
   here 0 , to vp
   
   init-vp Only Forth also definitions
   
 \ set initial search order                             14may93py  \ set initial search order                             14may93py
   
 Forth-wordlist wordlist-id @ ' Forth >body wordlist-id !  Forth-wordlist wordlist-id @ ' Forth >body wordlist-id !
   
 0 vp! also Root also definitions  
 Only Forth also definitions  
 lookup ! \ our dictionary search order becomes the law ( -- )  lookup ! \ our dictionary search order becomes the law ( -- )
   
 ' Forth >body to Forth-wordlist \ "forth definitions get-current" and "forth-wordlist" should produce the same wid  ' Forth >body to Forth-wordlist \ "forth definitions get-current" and "forth-wordlist" should produce the same wid

Removed from v.1.18  
changed lines
  Added in v.1.23


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