Fix xmode.keyword-map to not use delegation

extra/xmode/keyword-map/keyword-map.factor

@@ -1,37 +1,43 @@
+! Copyright (C) 2007, 2008 Slava Pestov.
+! See http://factorcode.org/license.txt for BSD license.
 USING: accessors kernel strings assocs sequences hashtables
 sorting unicode.case unicode.categories sets ;
 IN: xmode.keyword-map
 
 ! Based on org.gjt.sp.jedit.syntax.KeywordMap
-TUPLE: keyword-map no-word-sep ignore-case? ;
+TUPLE: keyword-map no-word-sep ignore-case? assoc ;
 
 : <keyword-map> ( ignore-case? -- map )
-    H{ } clone { set-keyword-map-ignore-case? set-delegate }
-    keyword-map construct ;
+    keyword-map new
+        swap >>ignore-case?
+        H{ } clone >>assoc ;
 
 : invalid-no-word-sep ( keyword-map -- ) f >>no-word-sep drop ;
 
 : handle-case ( key keyword-map -- key assoc )
-    [ keyword-map-ignore-case? [ >upper ] when ] keep
-    delegate ;
+    [ ignore-case?>> [ >upper ] when ] [ assoc>> ] bi ;
+
+M: keyword-map assoc-size
+    assoc>> assoc-size ;
 
 M: keyword-map at* handle-case at* ;
 
 M: keyword-map set-at
-    [ handle-case set-at ] keep invalid-no-word-sep ;
+    [ handle-case set-at ] [ invalid-no-word-sep ] bi ;
 
 M: keyword-map clear-assoc
-    [ delegate clear-assoc ] keep invalid-no-word-sep ;
+    [ assoc>> clear-assoc ] [ invalid-no-word-sep ] bi ;
 
-M: keyword-map >alist delegate >alist ;
+M: keyword-map >alist
+    assoc>> >alist ;
 
 : (keyword-map-no-word-sep) ( assoc -- str )
     keys concat [ alpha? not ] filter prune natural-sort ;
 
 : keyword-map-no-word-sep* ( keyword-map -- str )
-    dup keyword-map-no-word-sep [ ] [
-        dup (keyword-map-no-word-sep)
-        dup rot set-keyword-map-no-word-sep
+    dup no-word-sep>> [ ] [
+        dup (keyword-map-no-word-sep) >>no-word-sep
+        keyword-map-no-word-sep*
     ] ?if ;
 
 INSTANCE: keyword-map assoc