74 lines
2.3 KiB
Factor
74 lines
2.3 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: words
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USE: combinators
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USE: kernel
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USE: lists
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USE: logic
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USE: namespaces
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USE: stack
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USE: vocabularies
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: word-property ( pname word -- pvalue )
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word-plist assoc ;
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: set-word-property ( pvalue pname word -- )
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dup >r word-plist set-assoc r> set-word-plist ;
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: defined? ( obj -- ? )
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dup word? [ word-primitive 0 = not ] [ drop f ] ifte ;
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: compound? ( obj -- ? )
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dup word? [ word-primitive 1 = ] [ drop f ] ifte ;
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: primitive? ( obj -- ? )
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dup word? [ word-primitive 1 = not ] [ drop f ] ifte ;
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! Various features not supported by native Factor.
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: comment? drop f ;
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: worddef>list word-parameter ;
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! Bad idea
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IN: kernel
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: word ( -- word )
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global [ "last-word" get ] bind ;
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: set-word ( word -- )
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global [ "last-word" set ] bind ;
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IN: builtins
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: define ( word definition -- )
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#! Unlike the Java interpreter primitive define, the
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#! definition parameter is a list.
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over set-word
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over set-word-parameter
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1 swap set-word-primitive ;
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