64 lines
1.5 KiB
Forth
64 lines
1.5 KiB
Forth
# New Words
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This contains a variety of words from my more recent systems.
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Notes:
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`aa:` is a new set of array words. These will be replacing the
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existing set in the future.
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~~~
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'NextArray var
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:arrays FREE #513 #12 n:mul n:sub ;
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:aa:temp (a-a) @NextArray dup #12 [ drop #0 dup !NextArray ] if
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#513 n:mul arrays n:add over a:length n:inc copy
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@NextArray #513 n:mul arrays n:add
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&NextArray v:inc ;
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:aa:make (...n-a) here [ dup comma &comma times ] dip ;
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:aa:map
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swap [ fetch-next [ [ fetch over call ] sip
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&store sip n:inc ] times
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drop-pair ] sip ;
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{{
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'Count var
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:prepare #0 &Count store ;
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:reserve swap #0 comma ;
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:patch here over n:sub n:dec over store ;
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:cleanup dup s:temp swap &Free store ;
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:match? over eq? ;
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:record &Count fetch comma ;
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:iterate [ match? &record if &Count v:inc ] a:for-each ;
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---reveal---
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:aa:indices (av-a)
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prepare here [ reserve iterate drop ] dip patch cleanup ;
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}}
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:aa:index (av-n) [ aa:indices #0 a:fetch ] gc ;
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:aa:contains? (an-f)
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swap #0 swap [ swap [ over eq? ] dip or ] a:for-each nip ;
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:aa:first (a-n) #0 a:fetch ;
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:aa:last (a-n) dup a:length n:dec a:fetch ;
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:aa:hash (a-n) #5381 swap [ swap #33 n:mul n:add ] a:for-each ;
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:aa:eq? (aa-f) aa:hash swap aa:hash eq? ;
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:aa:-eq? (aa-f) aa:hash swap aa:hash -eq? ;
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:a:dup here [ dup a:length comma &comma a:for-each ] dip ;
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~~~
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~~~
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:d:use-hashes
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&eq? &d:lookup #5 - store
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[ d:hash fetch ] &d:lookup #8 - store
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#2049 &d:lookup store
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&s:hash &d:lookup n:inc store ;
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~~~
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