65 lines
2.2 KiB
Factor
65 lines
2.2 KiB
Factor
! :folding=indent:collapseFolds=1:
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! $Id$
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!
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! Copyright (C) 2003, 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: combinators
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USE: kernel
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USE: lists
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USE: namespaces
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USE: stack
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USE: strings
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: vocabs ( -- list )
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#! Push a list of vocabularies.
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global [ "vocabularies" get [ vars ] bind ] bind ;
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: vocab ( name -- vocab )
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#! Get a vocabulary.
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global [ "vocabularies" get get* ] bind ;
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: <vocab> ( name -- vocab )
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#! Create a vocabulary.
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<namespace> dup >r "vocabularies" get put* r> ;
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: vocab* ( name -- vocab )
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#! Get a vocabulary, creating it if it doesn't exist.
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global [
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dup "vocabularies" get get* dup [
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nip
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] [
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drop <vocab>
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] ifte
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] bind ;
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: words ( vocab -- list )
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#! Push a list of all words in a vocabulary.
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vocab [ values ] bind ;
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: intern ( "word" -- word )
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#! Returns the top of the stack if it already been interned.
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dup string? [ "use" get search ] when ;
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