kernel: add {bi,tri}-curry{,*,@} combinators from new_ui branch

db4
Slava Pestov 2009-02-12 04:23:35 -06:00
parent 421631eebb
commit a550c9874c
1 changed files with 65 additions and 46 deletions

View File

@ -1,4 +1,4 @@
! Copyright (C) 2004, 2008 Slava Pestov.
! Copyright (C) 2004, 2009 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel.private slots.private math.private
classes.tuple.private ;
@ -51,7 +51,7 @@ DEFER: if
! Default
: ?if ( default cond true false -- )
pick [ roll 2drop call ] [ 2nip call ] if ; inline
pick [ drop [ drop ] 2dip call ] [ 2nip call ] if ; inline
! Slippers and dippers.
! Not declared inline because the compiler special-cases them
@ -138,6 +138,69 @@ DEFER: if
: 2tri@ ( u v w y x z quot -- )
dup dup 2tri* ; inline
! Quotation building
: 2curry ( obj1 obj2 quot -- curry )
curry curry ; inline
: 3curry ( obj1 obj2 obj3 quot -- curry )
curry curry curry ; inline
: with ( param obj quot -- obj curry )
swapd [ swapd call ] 2curry ; inline
: prepose ( quot1 quot2 -- compose )
swap compose ; inline
! Curried cleavers
<PRIVATE
: [curry] ( quot -- quot' ) [ curry ] curry ; inline
PRIVATE>
: bi-curry ( x p q -- p' q' ) [ [curry] ] bi@ bi ; inline
: tri-curry ( x p q r -- p' q' r' ) [ [curry] ] tri@ tri ; inline
: bi-curry* ( x y p q -- p' q' ) [ [curry] ] bi@ bi* ; inline
: tri-curry* ( x y z p q r -- p' q' r' ) [ [curry] ] tri@ tri* ; inline
: bi-curry@ ( x y q -- p' q' ) [curry] bi@ ; inline
: tri-curry@ ( x y z q -- p' q' r' ) [curry] tri@ ; inline
! Booleans
: not ( obj -- ? ) [ f ] [ t ] if ; inline
: and ( obj1 obj2 -- ? ) over ? ; inline
: >boolean ( obj -- ? ) [ t ] [ f ] if ; inline
: or ( obj1 obj2 -- ? ) dupd ? ; inline
: xor ( obj1 obj2 -- ? ) [ f swap ? ] when* ; inline
: both? ( x y quot -- ? ) bi@ and ; inline
: either? ( x y quot -- ? ) bi@ or ; inline
: most ( x y quot -- z )
[ 2dup ] dip call [ drop ] [ nip ] if ; inline
! Loops
: loop ( pred: ( -- ? ) -- )
[ call ] keep [ loop ] curry when ; inline recursive
: do ( pred body tail -- pred body tail )
over 3dip ; inline
: while ( pred: ( -- ? ) body: ( -- ) tail: ( -- ) -- )
[ pick 3dip [ do while ] 3curry ] keep if ; inline recursive
: until ( pred: ( -- ? ) body: ( -- ) tail: ( -- ) -- )
[ [ not ] compose ] 2dip while ; inline
! Object protocol
GENERIC: hashcode* ( depth obj -- code )
@ -171,50 +234,6 @@ GENERIC: new ( class -- tuple )
GENERIC: boa ( ... class -- tuple )
! Quotation building
: 2curry ( obj1 obj2 quot -- curry )
curry curry ; inline
: 3curry ( obj1 obj2 obj3 quot -- curry )
curry curry curry ; inline
: with ( param obj quot -- obj curry )
swapd [ swapd call ] 2curry ; inline
: prepose ( quot1 quot2 -- compose )
swap compose ; inline
! Booleans
: not ( obj -- ? ) [ f ] [ t ] if ; inline
: and ( obj1 obj2 -- ? ) over ? ; inline
: >boolean ( obj -- ? ) [ t ] [ f ] if ; inline
: or ( obj1 obj2 -- ? ) dupd ? ; inline
: xor ( obj1 obj2 -- ? ) [ f swap ? ] when* ; inline
: both? ( x y quot -- ? ) bi@ and ; inline
: either? ( x y quot -- ? ) bi@ or ; inline
: most ( x y quot -- z )
[ 2dup ] dip call [ drop ] [ nip ] if ; inline
! Loops
: loop ( pred: ( -- ? ) -- )
dup slip swap [ loop ] [ drop ] if ; inline recursive
: do ( pred body tail -- pred body tail )
over 3dip ; inline
: while ( pred: ( -- ? ) body: ( -- ) tail: ( -- ) -- )
[ pick 3dip [ do while ] 3curry ] keep if ; inline recursive
: until ( pred: ( -- ? ) body: ( -- ) tail: ( -- ) -- )
[ [ not ] compose ] 2dip while ; inline
! Error handling -- defined early so that other files can
! throw errors before continuations are loaded
: throw ( error -- * ) 5 getenv [ die ] or 1 (throw) ;