--- gforth/look.fs 1994/07/21 14:41:47 1.2 +++ gforth/look.fs 1997/03/27 13:31:02 1.7 @@ -1,5 +1,23 @@ \ LOOK.FS xt -> lfa 22may93jaw +\ Copyright (C) 1995 Free Software Foundation, Inc. + +\ This file is part of Gforth. + +\ Gforth is free software; you can redistribute it and/or +\ modify it under the terms of the GNU General Public License +\ as published by the Free Software Foundation; either version 2 +\ of the License, or (at your option) any later version. + +\ This program is distributed in the hope that it will be useful, +\ but WITHOUT ANY WARRANTY; without even the implied warranty of +\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +\ GNU General Public License for more details. + +\ You should have received a copy of the GNU General Public License +\ along with this program; if not, write to the Free Software +\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + \ Look checks first if the word is a primitive. If yes then the \ vocabulary in the primitive area is beeing searched, meaning \ creating for each word a xt and comparing it... @@ -10,13 +28,6 @@ decimal -\ >NAME PRIMSTART 22may93jaw - -\ : >name ( xt -- nfa ) -\ BEGIN 1 chars - -\ dup c@ 128 and -\ UNTIL ; - : PrimStart ['] true >name ; \ look 17may93jaw @@ -24,14 +35,17 @@ decimal : (look) ( xt startlfa -- lfa flag ) false swap BEGIN @ dup - WHILE dup name> + WHILE dup name>int 3 pick = IF nip dup THEN REPEAT drop nip dup 0<> ; : look ( cfa -- lfa flag ) - dup forthstart < - IF PrimStart (look) - ELSE >name true THEN ; + dup dictionary-end forthstart within + IF + PrimStart (look) + ELSE + >name dup ??? <> + THEN ;