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More work on around-advice

db4
James Cash 2008-11-06 00:20:15 -05:00
parent d2224ec935
commit d530ec6bd5
1 changed files with 8 additions and 5 deletions
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13
extra/advice/advice.factor
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@ -3,7 +3,7 @@
USING: kernel sequences symbols fry words assocs tools.annotations coroutines ;
IN: advice
SYMBOLS: before after around ;
SYMBOLS: before after around advised ;
: advise ( quot name word loc -- )
word-prop set-at ;
@ -28,17 +28,20 @@ SYMBOLS: before after around ;
after get-advice [ call ] each ;
: call-around ( main word -- )
around get-advice [ [ coresume ] each ] dip call
around get-advice reverse [ coresume ] each ;
around get-advice tuck
[ [ coresume ] each ] [ call ] [ reverse [ coresume ] each ] tri* ;
: remove-advice ( name word loc -- )
word-prop delete-at ;
: ad-do-it ( input -- result )
coyield ;
: advised? ( word -- ? )
advised word-prop ;
: make-advised ( word -- )
[ dup [ over dup '[ _ call-before _ _ call-around _ call-after ] ] annotate ]
[ { before after around } [ H{ } clone swap set-word-prop ] with each ] bi ;
[ { before after around } [ H{ } clone swap set-word-prop ] with each ]
[ t advised set-word-prop ] tri ;