71 lines
2.2 KiB
Factor
71 lines
2.2 KiB
Factor
! :folding=indent:collapseFolds=1:
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! $Id$
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!
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! Copyright (C) 2004 Slava Pestov.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are met:
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!
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! 1. Redistributions of source code must retain the above copyright notice,
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! this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright notice,
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! this list of conditions and the following disclaimer in the documentation
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! and/or other materials provided with the distribution.
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!
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! THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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! INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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! FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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! DEVELOPERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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! SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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! OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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! WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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! OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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! ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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IN: vocabularies
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USE: lists
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USE: namespaces
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USE: stack
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USE: words
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: (search) ( name vocab -- word )
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vocab dup [ get* ] [ 2drop f ] ifte ;
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: search ( name list -- word )
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#! Search for a word in a list of vocabularies.
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dup [
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2dup car (search) dup [
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nip nip ( found )
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] [
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drop cdr search ( check next )
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] ifte
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] [
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2drop f ( not found )
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] ifte ;
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: create-plist ( name vocab -- plist )
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"vocabulary" swons swap "name" swons 2list ;
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: (undefined)
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#! Primitive# of undefined words.
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0 ;
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: (create) ( name vocab -- word )
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(undefined) f 2swap create-plist <word> ;
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: word+ ( name vocab word -- )
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swap vocab* put* ;
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: create ( name vocab -- word )
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#! Create a new word in a vocabulary. If the vocabulary
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#! already contains the word, the existing instance is
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#! returned.
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2dup (search) dup [
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nip nip
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] [
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drop 2dup (create) dup >r word+ r>
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] ifte ;
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