version 1.11, 1996/01/07 17:22:10
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version 1.12, 1996/05/06 12:39:00
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Line 45 Variable HashIndex
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Line 45 Variable HashIndex
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\ (hashkey) |
\ (hashkey) |
\ Hashlen 1- and ; |
\ Hashlen 1- and ; |
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: bucket ( addr len wordlist -- bucket-addr ) |
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\ @var{bucket-addr} is the address of a cell that points to the first |
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\ element in the list of the bucket for the string @var{addr len} |
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wordlist-extend @ -rot hash xor ( bucket# ) |
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cells HashTable @ + ; |
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: hash-find ( addr len wordlist -- nfa / false ) |
: hash-find ( addr len wordlist -- nfa / false ) |
[ 3 cells ] Literal + @ >r |
>r 2dup r> bucket @ (hashfind) ; |
2dup hash r> xor cells HashTable @ + @ (hashfind) ; |
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\ hash vocabularies 16jul94py |
\ hash vocabularies 16jul94py |
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: lastlink! ( addr link -- ) |
: lastlink! ( addr link -- ) |
BEGIN dup @ dup WHILE nip REPEAT drop ! ; |
BEGIN dup @ dup WHILE nip REPEAT drop ! ; |
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: (reveal ( addr voc -- ) [ 3 cells ] Literal + dup @ 0< IF 2drop EXIT THEN |
: (reveal ( addr voc -- ) |
@ over name>string Hash xor cells >r |
dup wordlist-extend @ 0< |
HashPointer 2 Cells $400 NewFix |
IF |
tuck cell+ ! r> HashTable @ + insRule @ |
2drop EXIT |
IF dup @ 2 pick ! ! ELSE lastlink! THEN revealed on ; |
THEN |
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over name>string rot bucket >r |
: hash-reveal ( -- ) (reveal) last? IF |
HashPointer 2 Cells $400 NewFix |
current @ (reveal THEN ; |
tuck cell+ ! r> insRule @ |
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IF |
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dup @ 2 pick ! ! |
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ELSE |
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lastlink! |
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THEN |
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revealed on ; |
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: hash-reveal ( -- ) |
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(reveal) last? |
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IF |
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current @ (reveal |
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THEN ; |
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: addall ( -- ) |
: addall ( -- ) |
voclink |
voclink |
Line 80 Variable HashIndex
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Line 96 Variable HashIndex
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: (rehash) ( addr -- ) |
: (rehash) ( addr -- ) |
drop revealed @ IF re-hash revealed off THEN ; |
drop revealed @ IF re-hash revealed off THEN ; |
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Create hashsearch ' hash-find A, ' hash-reveal A, ' (rehash) A, |
Create hashsearch-map ( -- wordlist-map ) |
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' hash-find A, ' hash-reveal A, ' (rehash) A, |
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\ hash allocate and vocabulary initialization 10oct94py |
\ hash allocate and vocabulary initialization 10oct94py |
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Line 98 Create hashsearch ' hash-find A, ' hash
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Line 115 Create hashsearch ' hash-find A, ' hash
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: (initvoc) ( addr -- ) |
: (initvoc) ( addr -- ) |
cell+ dup @ 0< IF drop EXIT THEN |
cell+ dup @ 0< IF drop EXIT THEN |
insRule @ >r insRule off hash-alloc |
insRule @ >r insRule off hash-alloc |
3 cells - hashsearch over cell+ ! dup |
3 cells - hashsearch-map over cell+ ! dup |
BEGIN @ dup WHILE 2dup swap (reveal REPEAT |
BEGIN @ dup WHILE 2dup swap (reveal REPEAT |
2drop r> insRule ! ; |
2drop r> insRule ! ; |
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