version 1.28, 2001/09/04 09:17:02
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version 1.36, 2007/12/31 18:40:24
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\ Hashed dictionaries 15jul94py |
\ Hashed dictionaries 15jul94py |
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\ Copyright (C) 1995,1998,2000 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1998,2000,2003,2006 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
\ Gforth is free software; you can redistribute it and/or |
\ modify it under the terms of the GNU General Public License |
\ modify it under the terms of the GNU General Public License |
\ as published by the Free Software Foundation; either version 2 |
\ as published by the Free Software Foundation, either version 3 |
\ of the License, or (at your option) any later version. |
\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
\ This program is distributed in the hope that it will be useful, |
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\ GNU General Public License for more details. |
\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
\ You should have received a copy of the GNU General Public License |
\ along with this program; if not, write to the Free Software |
\ along with this program. If not, see http://www.gnu.org/licenses/. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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[IFUNDEF] erase |
[IFUNDEF] erase |
: erase ( addr len -- ) 0 fill ; |
: erase ( addr len -- ) 0 fill ; |
Line 53 Variable revealed
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Line 52 Variable revealed
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\ Memory handling 10oct94py |
\ Memory handling 10oct94py |
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AVariable HashPointer |
AVariable HashPointer |
Variable HashIndex |
Variable HashIndex \ Number of wordlists |
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Variable HashPop \ Number of words |
0 AValue HashTable |
0 AValue HashTable |
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\ forward declarations |
\ forward declarations |
Line 91 Defer hash-alloc ( addr -- addr )
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Line 91 Defer hash-alloc ( addr -- addr )
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ELSE |
ELSE |
lastlink! |
lastlink! |
THEN |
THEN |
revealed on ; |
revealed on 1 HashPop +! 0 hash-alloc drop ; |
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: hash-reveal ( nfa wid -- ) |
: hash-reveal ( nfa wid -- ) |
2dup (reveal) (reveal ; |
2dup (reveal) (reveal ; |
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: inithash ( wid -- ) |
: inithash ( wid -- ) |
wordlist-extend |
wordlist-extend |
insRule @ >r insRule off hash-alloc 3 cells - |
insRule @ >r insRule off 1 hash-alloc over ! 3 cells - |
dup wordlist-id |
dup wordlist-id |
BEGIN @ dup WHILE 2dup swap (reveal REPEAT |
BEGIN @ dup WHILE 2dup swap (reveal REPEAT |
2drop r> insRule ! ; |
2drop r> insRule ! ; |
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: addall ( -- ) |
: addall ( -- ) |
voclink |
HashPop off voclink |
BEGIN @ dup WHILE |
BEGIN @ dup WHILE |
dup 0 wordlist-link - |
dup 0 wordlist-link - |
dup wordlist-map @ reveal-method @ ['] hash-reveal = |
dup wordlist-map @ reveal-method @ ['] hash-reveal = |
Line 144 Defer hash-alloc ( addr -- addr )
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Line 144 Defer hash-alloc ( addr -- addr )
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IF inithash |
IF inithash |
ELSE rehashall THEN ; |
ELSE rehashall THEN ; |
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: hashdouble ( -- ) |
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HashTable >r clearhash |
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1 hashbits 1+ dup to hashbits lshift to hashlen |
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r> free >r 0 to HashTable |
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addall r> throw ; |
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const Create (hashsearch-map) |
const Create (hashsearch-map) |
' hash-find A, ' hash-reveal A, ' (rehash) A, ' (rehash) A, |
' hash-find A, ' hash-reveal A, ' (rehash) A, ' (rehash) A, |
(hashsearch-map) to hashsearch-map |
(hashsearch-map) to hashsearch-map |
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\ hash allocate and vocabulary initialization 10oct94py |
\ hash allocate and vocabulary initialization 10oct94py |
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:noname ( addr -- addr ) |
:noname ( n+ -- n ) |
HashTable 0= |
HashTable 0= |
IF Hashlen cells reserve-mem TO HashTable |
IF Hashlen cells reserve-mem TO HashTable |
HashTable Hashlen cells erase THEN |
HashTable Hashlen cells erase THEN |
HashIndex @ over ! 1 HashIndex +! |
HashIndex @ swap HashIndex +! |
HashIndex @ Hashlen >= |
HashIndex @ Hashlen >= |
[ [IFUNDEF] allocate ] |
[ [IFUNDEF] allocate ] |
ABORT" no more space in hashtable" |
ABORT" no more space in hashtable" |
[ [ELSE] ] |
[ [ELSE] ] |
IF HashTable >r clearhash |
HashPop @ hashlen 2* >= or |
1 hashbits 1+ dup to hashbits lshift to hashlen |
IF hashdouble THEN |
r> free >r 0 to HashTable |
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addall r> throw |
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THEN |
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[ [THEN] ] ; is hash-alloc |
[ [THEN] ] ; is hash-alloc |
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\ Hash-Find 01jan93py |
\ Hash-Find 01jan93py |
Line 189 has? cross 0=
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Line 192 has? cross 0=
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\ REPEAT drop |
\ REPEAT drop |
[ has? ec [IF] ] ." Done" cr [ [THEN] ] ; |
[ has? ec [IF] ] ." Done" cr [ [THEN] ] ; |
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' hash-cold INIT8 chained |
:noname ( -- ) |
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defers 'cold |
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hash-cold |
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; is 'cold |
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: .words ( -- ) |
: .words ( -- ) |
base @ >r hex HashTable Hashlen 0 |
base @ >r hex HashTable Hashlen 0 |