functors: Add a modern functors file that doesn't have the FUNCTOR-SYNTAX: words.

db4
Doug Coleman 2013-04-13 17:36:29 -07:00
parent febc689322
commit 6e2291886d
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! Copyright (C) 2008, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays assocs classes.mixin classes.parser
classes.singleton classes.tuple classes.tuple.parser
combinators effects.parser fry functors.backend generic
generic.parser interpolate io.streams.string kernel lexer
locals.parser locals.types macros make namespaces parser
quotations sequences vocabs.parser words words.symbol ;
IN: functors
! This is a hack
<PRIVATE
TUPLE: fake-call-next-method ;
TUPLE: fake-quotation seq ;
GENERIC: >fake-quotations ( quot -- fake )
M: callable >fake-quotations
>array >fake-quotations fake-quotation boa ;
M: array >fake-quotations [ >fake-quotations ] { } map-as ;
M: object >fake-quotations ;
GENERIC: (fake-quotations>) ( fake -- )
: fake-quotations> ( fake -- quot )
[ (fake-quotations>) ] [ ] make ;
M: fake-quotation (fake-quotations>)
[ seq>> [ (fake-quotations>) ] each ] [ ] make , ;
M: array (fake-quotations>)
[ [ (fake-quotations>) ] each ] { } make , ;
M: fake-call-next-method (fake-quotations>)
drop \ method get literalize , \ (call-next-method) , ;
M: object (fake-quotations>) , ;
: parse-definition* ( accum -- accum )
parse-definition >fake-quotations suffix!
[ fake-quotations> first ] append! ;
: parse-declared* ( accum -- accum )
scan-effect
[ parse-definition* ] dip
suffix! ;
: (INTERPOLATE) ( accum quot -- accum )
[ scan-token interpolate-locals ] dip
'[ _ with-string-writer @ ] suffix! ;
PRIVATE>
DEFER: ;FUNCTOR delimiter
<PRIVATE
: push-functor-words ( -- )
functor-words use-words ;
: pop-functor-words ( -- )
functor-words unuse-words ;
: (parse-bindings) ( end -- words )
[ dup parse-binding dup ]
[ first2 [ make-local ] dip 2array ]
produce 2nip ;
: with-bindings ( quot -- words assoc )
in-lambda? on H{ } make ; inline
: parse-bindings ( end -- words assoc )
[
building get use-words
(parse-bindings)
building get unuse-words
] with-bindings ;
: parse-functor-body ( -- form )
push-functor-words
"WHERE" parse-bindings
[ [ swap <def> suffix ] { } assoc>map concat ]
[ [ \ ;FUNCTOR parse-until >quotation ] ((parse-lambda)) ] bi*
[ ] append-as
pop-functor-words ;
: (FUNCTOR:) ( -- word def effect )
scan-new-word [ parse-functor-body ] parse-locals-definition ;
PRIVATE>