--- gforth/hash.fs 1994/12/21 14:26:24 1.7 +++ gforth/hash.fs 1996/01/07 17:22:10 1.11 @@ -1,6 +1,24 @@ \ Hashed dictionaries 15jul94py -9 value hashbits +\ 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. + +11 value hashbits 1 hashbits lshift Value Hashlen Variable insRule insRule on @@ -29,7 +47,7 @@ Variable HashIndex : hash-find ( addr len wordlist -- nfa / false ) - $C + @ >r + [ 3 cells ] Literal + @ >r 2dup hash r> xor cells HashTable @ + @ (hashfind) ; \ hash vocabularies 16jul94py @@ -37,9 +55,9 @@ Variable HashIndex : lastlink! ( addr link -- ) BEGIN dup @ dup WHILE nip REPEAT drop ! ; -: (reveal ( addr voc -- ) $C + dup @ 0< IF 2drop EXIT THEN - @ over cell+ count $1F and Hash xor cells >r - HashPointer 8 $400 NewFix +: (reveal ( addr voc -- ) [ 3 cells ] Literal + dup @ 0< IF 2drop EXIT THEN + @ over name>string Hash xor cells >r + HashPointer 2 Cells $400 NewFix tuck cell+ ! r> HashTable @ + insRule @ IF dup @ 2 pick ! ! ELSE lastlink! THEN revealed on ;