factor/core/generic/hook/hook.factor

27 lines
796 B
Factor

! Copyright (C) 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors definitions generic generic.single kernel
kernel.private namespaces quotations sequences words ;
QUALIFIED-WITH: generic.single.private gsp
IN: generic.hook
TUPLE: hook-combination < single-combination var ;
C: <hook-combination> hook-combination
PREDICATE: hook-generic < generic
"combination" word-prop hook-combination? ;
M: hook-combination picker
combination get var>> [ get ] curry ;
M: hook-combination dispatch# drop 0 ;
M: hook-combination mega-cache-quot
1quotation picker [ gsp:lookup-method (execute) ] surround ;
M: hook-generic definer drop \ HOOK: f ;
M: hook-generic effective-method
[ "combination" word-prop var>> get ] keep method-for-object ;