gforth/hash.fs - diff

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version 1.7, 1994/12/21 14:26:24	version 1.8, 1995/01/19 19:43:46
Line 29 Variable HashIndex	Line 29 Variable HashIndex


: hash-find ( addr len wordlist -- nfa / false )	: hash-find ( addr len wordlist -- nfa / false )
$C + @ >r	[ 3 cells ] Literal + @ >r
2dup hash r> xor cells HashTable @ + @ (hashfind) ;	2dup hash r> xor cells HashTable @ + @ (hashfind) ;

\ hash vocabularies 16jul94py	\ hash vocabularies 16jul94py
Line 37 Variable HashIndex	Line 37 Variable HashIndex
: lastlink! ( addr link -- )	: lastlink! ( addr link -- )
BEGIN dup @ dup WHILE nip REPEAT drop ! ;	BEGIN dup @ dup WHILE nip REPEAT drop ! ;

: (reveal ( addr voc -- ) $C + dup @ 0< IF 2drop EXIT THEN	: (reveal ( addr voc -- ) [ 3 cells ] Literal + dup @ 0< IF 2drop EXIT THEN
@ over cell+ count $1F and Hash xor cells >r	@ over cell+ count $1F and Hash xor cells >r
HashPointer 8 $400 NewFix	HashPointer 2 Cells $400 NewFix
tuck cell+ ! r> HashTable @ + insRule @	tuck cell+ ! r> HashTable @ + insRule @
IF dup @ 2 pick ! ! ELSE lastlink! THEN revealed on ;	IF dup @ 2 pick ! ! ELSE lastlink! THEN revealed on ;