kernel: move recusrive-hashcode to math and add test

[factor.git] / core / kernel / kernel.factor

diff --git a/core/kernel/kernel.factor b/core/kernel/kernel.factor
index 155dffc436b5938ea59d5599b8662af5b1813aab..e5389f401f2117e1cd302362ac99cdea1923d769 100644 (file)
--- a/core/kernel/kernel.factor
+++ b/core/kernel/kernel.factor
@@ -1,6 +1,8 @@
 ! Copyright (C) 2004, 2009 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: kernel.private slots.private math.private ;
+USE: slots.private
+USE: kernel.private
+USE: math.private
 IN: kernel
 
 BUILTIN: callstack ;
@@ -37,6 +39,7 @@ PRIMITIVE: (execute) ( word -- )
 PRIMITIVE: (identity-hashcode) ( obj -- code )
 PRIMITIVE: become ( old new -- )
 PRIMITIVE: c-to-factor ( -- )
+PRIMITIVE: callstack-bounds ( -- start end )
 PRIMITIVE: check-datastack ( array in# out# -- ? )
 PRIMITIVE: compute-identity-hashcode ( obj -- )
 PRIMITIVE: context-object ( n -- obj )
@@ -115,6 +118,39 @@ DEFER: if
 
 : 4dip ( w x y z quot -- w x y z ) swap [ 3dip ] dip ; inline
 
+! Misfits
+: tuck ( x y -- y x y ) dup -rot ; inline
+
+: spin ( x y z -- z y x ) -rot swap ; inline
+
+: rotd ( w x y z -- x y w z ) [ rot ] dip ; inline
+
+: -rotd ( w x y z -- y w x z ) [ -rot ] dip ; inline
+
+: roll ( w x y z -- x y z w ) rotd swap ; inline
+
+: -roll ( w x y z -- z w x y ) swap -rotd ; inline
+
+: nipd ( x y z -- y z ) [ nip ] dip ; inline
+
+: overd ( x y z -- x y x z ) [ over ] dip ; inline
+
+: pickd ( w x y z -- w x y w z ) [ pick ] dip ; inline
+
+: 2nipd ( w x y z -- y z ) [ 2drop ] 2dip ; inline
+
+: 3nipd ( v w x y z -- y z ) [ 3drop ] 2dip ; inline
+
+: 3nip ( w x y z -- z ) 2nip nip ; inline
+
+: 4nip ( v w x y z -- z ) 2nip 2nip ; inline
+
+: 5nip ( u v w x y z -- z ) 3nip 2nip ; inline
+
+: 5drop ( v w x y z -- ) 4drop drop ; inline
+
+: reach ( w x y z -- w x y z w ) [ pick ] dip swap ; inline
+
 ! Keepers
 : keep ( ..a x quot: ( ..a x -- ..b ) -- ..b x )
     over [ call ] dip ; inline
@@ -128,6 +164,15 @@ DEFER: if
 : 4keep ( ..a w x y z quot: ( ..a w x y z -- ..b ) -- ..b w x y z )
     [ 4dup ] dip 4dip ; inline
 
+: keepd ( ..a x y quot: ( ..a x y -- ..b ) -- ..b x )
+    2keep drop ; inline
+
+: keepdd ( ..a x y z quot: ( ..a x y z -- ..b ) -- ..b x )
+    3keep 2drop ; inline
+
+: 2keepd ( ..a x y z quot: ( ..a x y z -- ..b ) -- ..b x y )
+    3keep drop ; inline
+
 ! Cleavers
 : bi ( x p q -- )
     [ keep ] dip call ; inline
@@ -190,6 +235,9 @@ DEFER: if
 : 2with ( param1 param2 obj quot -- obj curried )
     with with ; inline
 
+: withd ( param obj quot -- obj curried )
+    swapd [ -rotd call ] 2curry ; inline
+
 : prepose ( quot1 quot2 -- composed )
     swap compose ; inline
 
@@ -231,6 +279,8 @@ UNION: boolean POSTPONE: t POSTPONE: f ;
 
 : most ( x y quot -- z ) 2keep ? ; inline
 
+: negate ( quot -- quot' ) [ not ] compose ; inline
+
 ! Loops
 : loop ( ... pred: ( ... -- ... ? ) -- ... )
     [ call ] keep [ loop ] curry when ; inline recursive
@@ -241,11 +291,14 @@ UNION: boolean POSTPONE: t POSTPONE: f ;
 : while ( ..a pred: ( ..a -- ..b ? ) body: ( ..b -- ..a ) -- ..b )
     swap do compose [ loop ] curry when ; inline
 
+: while* ( ..a pred: ( ..a -- ..b ? ) body: ( ..b ? -- ..a ) -- ..b )
+    [ [ dup ] compose ] dip while drop ; inline
+
 : until ( ..a pred: ( ..a -- ..b ? ) body: ( ..b -- ..a ) -- ..b )
-    [ [ not ] compose ] dip while ; inline
+    [ negate ] dip while ; inline
 
 ! Object protocol
-GENERIC: hashcode* ( depth obj -- code )
+GENERIC: hashcode* ( depth obj -- code ) flushable
 
 M: object hashcode* 2drop 0 ; inline
 
@@ -253,6 +306,14 @@ M: f hashcode* 2drop 31337 ; inline
 
 : hashcode ( obj -- code ) 3 swap hashcode* ; inline
 
+GENERIC: equal? ( obj1 obj2 -- ? )
+
+M: object equal? 2drop f ; inline
+
+TUPLE: identity-tuple ;
+
+M: identity-tuple equal? 2drop f ; inline
+
 : identity-hashcode ( obj -- code )
     dup tag 0 eq? [
         dup tag 1 eq? [ drop 0 ] [
@@ -263,14 +324,6 @@ M: f hashcode* 2drop 31337 ; inline
         ] if
     ] unless ; inline
 
-GENERIC: equal? ( obj1 obj2 -- ? )
-
-M: object equal? 2drop f ; inline
-
-TUPLE: identity-tuple ;
-
-M: identity-tuple equal? 2drop f ; inline
-
 M: identity-tuple hashcode* nip identity-hashcode ; inline
 
 : = ( obj1 obj2 -- ? )