factor/extra/specialized/specialized.factor

56 lines
1.7 KiB
Factor

! Copyright (C) 2009, 2010 Daniel Ehrenberg
! See http://factorcode.org/license.txt for BSD license.
USING: words kernel locals accessors compiler.tree.propagation.info
sequences kernel.private assocs fry parser math quotations
effects arrays definitions compiler.units namespaces
compiler.tree.debugger generalizations stack-checker ;
IN: specialized
: in-compilation-unit? ( -- ? )
changed-definitions get >boolean ;
: define-temp-in-unit ( quot effect -- word )
in-compilation-unit?
[ [ define-temp ] with-nested-compilation-unit ]
[ [ define-temp ] with-compilation-unit ]
if ;
: final-info-quot ( word -- quot )
[ stack-effect in>> length '[ _ ndrop ] ]
[ def>> [ final-info ] with-scope >quotation ] bi
compose ;
ERROR: bad-outputs word quot ;
: define-outputs ( word quot -- )
2dup [ stack-effect ] [ infer ] bi* effect<=
[ "outputs" set-word-prop ] [ bad-outputs ] if ;
: record-final-info ( word -- )
dup final-info-quot define-outputs ;
:: lookup-specialized ( #call word n -- special-word/f )
#call in-d>> n tail* >array [ value-info class>> ] map
dup [ object = ] all? [ drop f ] [
word "specialized-defs" word-prop [
[ declare ] curry word def>> compose
word stack-effect define-temp-in-unit
dup record-final-info
1quotation
] cache
] if ;
: specialized-quot ( word n -- quot )
'[ _ _ lookup-specialized ] ;
: make-specialized ( word n -- )
[ drop H{ } clone "specialized-defs" set-word-prop ]
[ dupd specialized-quot "custom-inlining" set-word-prop ] 2bi ;
SYNTAX: specialized
last-word dup stack-effect in>> length make-specialized ;
PREDICATE: specialized-word < word
"specialized-defs" word-prop >boolean ;