114 lines
2.9 KiB
Factor
114 lines
2.9 KiB
Factor
! Copyright (C) 2007, 2008 Daniel Ehrenberg
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors parser generic kernel classes classes.tuple
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words slots assocs sequences arrays vectors definitions
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prettyprint math hashtables sets macros namespaces make ;
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IN: delegate
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: protocol-words ( protocol -- words )
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\ protocol-words word-prop ;
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: protocol-consult ( protocol -- consulters )
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\ protocol-consult word-prop ;
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GENERIC: group-words ( group -- words )
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M: tuple-class group-words
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all-slots [
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name>>
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[ reader-word 0 2array ]
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[ writer-word 0 2array ] bi
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2array
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] map concat ;
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! Consultation
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: consult-method ( word class quot -- )
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[ drop swap first create-method ]
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[
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nip
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[
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over second saver %
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%
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dup second restorer %
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first ,
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] [ ] make
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] 3bi
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define ;
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: change-word-prop ( word prop quot -- )
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rot props>> swap change-at ; inline
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: register-protocol ( group class quot -- )
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rot \ protocol-consult [ swapd ?set-at ] change-word-prop ;
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: define-consult ( group class quot -- )
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[ register-protocol ]
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[ rot group-words -rot [ consult-method ] 2curry each ]
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3bi ;
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: CONSULT:
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scan-word scan-word parse-definition define-consult ; parsing
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! Protocols
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: cross-2each ( seq1 seq2 quot -- )
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[ with each ] 2curry each ; inline
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: forget-all-methods ( classes words -- )
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[ first method forget ] cross-2each ;
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: protocol-users ( protocol -- users )
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protocol-consult keys ;
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: lost-words ( protocol wordlist -- lost-words )
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[ protocol-words ] dip diff ;
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: forget-old-definitions ( protocol new-wordlist -- )
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[ drop protocol-users ] [ lost-words ] 2bi
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forget-all-methods ;
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: added-words ( protocol wordlist -- added-words )
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swap protocol-words diff ;
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: add-new-definitions ( protocol wordlist -- )
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[ drop protocol-consult >alist ] [ added-words ] 2bi
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[ swap first2 consult-method ] cross-2each ;
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: initialize-protocol-props ( protocol wordlist -- )
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[
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drop \ protocol-consult
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[ H{ } assoc-like ] change-word-prop
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] [ { } like \ protocol-words set-word-prop ] 2bi ;
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: fill-in-depth ( wordlist -- wordlist' )
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[ dup word? [ 0 2array ] when ] map ;
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: define-protocol ( protocol wordlist -- )
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fill-in-depth
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[ forget-old-definitions ]
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[ add-new-definitions ]
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[ initialize-protocol-props ] 2tri ;
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: PROTOCOL:
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CREATE-WORD
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[ define-symbol ]
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[ f "inline" set-word-prop ]
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[ parse-definition define-protocol ] tri ; parsing
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PREDICATE: protocol < word protocol-words ; ! Subclass of symbol?
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M: protocol forget*
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[ f forget-old-definitions ] [ call-next-method ] bi ;
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: show-words ( wordlist' -- wordlist )
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[ dup second zero? [ first ] when ] map ;
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M: protocol definition protocol-words show-words ;
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M: protocol definer drop \ PROTOCOL: \ ; ;
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M: protocol synopsis* word-synopsis ; ! Necessary?
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M: protocol group-words protocol-words ;
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