version 1.18, 1997/07/06 15:55:24
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version 1.26, 2000/09/23 15:46:57
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\ Hashed dictionaries 15jul94py |
\ Hashed dictionaries 15jul94py |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1998,2000 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 16
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Line 16
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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, write to the Free Software |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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[IFUNDEF] e? : e? name 2drop false ; [THEN] |
[IFUNDEF] allocate |
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e? ec |
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[IF] |
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: reserve-mem here swap allot ; |
: reserve-mem here swap allot ; |
\ ToDo: check memory space with unused |
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\ move to a kernel/memory.fs |
\ move to a kernel/memory.fs |
[ELSE] |
[ELSE] |
: reserve-mem allocate throw ; |
: reserve-mem allocate throw ; |
[THEN] |
[THEN] |
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[IFUNDEF] hashbits |
[IFUNDEF] hashbits |
11 value hashbits |
11 Value hashbits |
[THEN] |
[THEN] |
1 hashbits lshift Value Hashlen |
1 hashbits lshift Value Hashlen |
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Line 52 Variable HashIndex
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Line 48 Variable HashIndex
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\ forward declarations |
\ forward declarations |
0 Value hashsearch-map |
0 Value hashsearch-map |
Defer hash-alloc |
Defer hash-alloc ( addr -- addr ) |
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\ DelFix and NewFix are from bigFORTH 15jul94py |
\ DelFix and NewFix are from bigFORTH 15jul94py |
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Line 92 Defer hash-alloc
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Line 88 Defer hash-alloc
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: inithash ( wid -- ) |
: inithash ( wid -- ) |
wordlist-extend |
wordlist-extend |
insRule @ >r insRule off hash-alloc 3 cells - dup |
insRule @ >r insRule off hash-alloc 3 cells - |
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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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Line 100 Defer hash-alloc
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Line 97 Defer hash-alloc
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voclink |
voclink |
BEGIN @ dup WHILE |
BEGIN @ dup WHILE |
dup 0 wordlist-link - |
dup 0 wordlist-link - |
dup wordlist-map @ hashsearch-map = |
dup wordlist-map @ reveal-method @ ['] hash-reveal = |
IF inithash ELSE drop THEN |
IF inithash ELSE drop THEN |
REPEAT drop ; |
REPEAT drop ; |
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Line 108 Defer hash-alloc
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Line 105 Defer hash-alloc
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HashTable Hashlen cells bounds |
HashTable Hashlen cells bounds |
DO I @ |
DO I @ |
BEGIN dup WHILE |
BEGIN dup WHILE |
dup @ swap HashPointer DelFix |
dup @ swap HashPointer DelFix |
REPEAT I ! |
REPEAT |
cell +LOOP HashIndex off |
I ! |
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cell +LOOP |
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HashIndex off |
voclink |
voclink |
BEGIN @ dup WHILE |
BEGIN ( wordlist-link-addr ) |
dup 0 wordlist-link - |
@ dup |
dup wordlist-map @ hashsearch-map = |
WHILE ( wordlist-link ) |
IF 0 swap wordlist-extend ! ELSE drop THEN |
dup 0 wordlist-link - ( wordlist-link wid ) |
REPEAT drop ; |
dup wordlist-map @ hashsearch-map = |
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IF ( wordlist-link wid ) |
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0 swap wordlist-extend ! |
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ELSE |
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drop |
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THEN |
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REPEAT |
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drop ; |
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: rehashall ( wid -- ) |
: rehashall ( wid -- ) |
drop revealed @ |
drop revealed @ |
Line 134 to hashsearch-map
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Line 140 to hashsearch-map
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\ hash allocate and vocabulary initialization 10oct94py |
\ hash allocate and vocabulary initialization 10oct94py |
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:noname ( hash-alloc ) ( addr -- addr ) |
:noname ( addr -- addr ) |
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 @ over ! 1 HashIndex +! |
HashIndex @ Hashlen >= |
HashIndex @ Hashlen >= |
[ e? ec [IF] ] |
[ [IFUNDEF] allocate ] |
ABORT" no more space in hashtable" |
ABORT" no more space in hashtable" |
[ [ELSE] ] |
[ [ELSE] ] |
IF HashTable >r clearhash |
IF HashTable >r clearhash |
Line 151 to hashsearch-map
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Line 157 to hashsearch-map
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[ [THEN] ] ; is hash-alloc |
[ [THEN] ] ; is hash-alloc |
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\ Hash-Find 01jan93py |
\ Hash-Find 01jan93py |
e? cross 0= |
has? cross 0= |
[IF] |
[IF] |
: make-hash |
: make-hash |
hashsearch-map forth-wordlist cell+ ! |
hashsearch-map forth-wordlist wordlist-map ! |
addall ; |
addall ; |
make-hash \ Baumsuche ist installiert. |
make-hash \ Baumsuche ist installiert. |
[ELSE] |
[ELSE] |
hashsearch-map forth-wordlist cell+ ! |
hashsearch-map forth-wordlist wordlist-map ! |
[THEN] |
[THEN] |
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\ for ec version display that vocabulary goes hashed |
\ for ec version display that vocabulary goes hashed |
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: hash-cold ( -- ) |
: hash-cold ( -- ) |
[ e? ec [IF] ] ." Hashing..." [ [THEN] ] |
[ has? ec [IF] ] ." Hashing..." [ [THEN] ] |
HashPointer off 0 TO HashTable HashIndex off |
HashPointer off 0 TO HashTable HashIndex off |
addall |
addall |
\ voclink |
\ voclink |
\ BEGIN @ dup WHILE |
\ BEGIN @ dup WHILE |
\ dup 0 wordlist-link - initvoc |
\ dup 0 wordlist-link - initvoc |
\ REPEAT drop |
\ REPEAT drop |
[ e? ec [IF] ] ." Done" cr [ [THEN] ] ; |
[ has? ec [IF] ] ." Done" cr [ [THEN] ] ; |
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' hash-cold INIT8 chained |
' hash-cold INIT8 chained |
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Line 179 e? cross 0=
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Line 185 e? cross 0=
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base @ >r hex HashTable Hashlen 0 |
base @ >r hex HashTable Hashlen 0 |
DO cr i 2 .r ." : " dup i cells + |
DO cr i 2 .r ." : " dup i cells + |
BEGIN @ dup WHILE |
BEGIN @ dup WHILE |
dup cell+ @ head>string type space REPEAT drop |
dup cell+ @ name>string type space REPEAT drop |
LOOP drop r> base ! ; |
LOOP drop r> base ! ; |
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\ \ this stuff is for evaluating the hash function |
\ \ this stuff is for evaluating the hash function |