--- gforth/look.fs 1996/05/13 16:37:01 1.4 +++ gforth/look.fs 1999/01/03 21:48:37 1.12 @@ -1,6 +1,6 @@ \ LOOK.FS xt -> lfa 22may93jaw -\ Copyright (C) 1995 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -28,28 +28,50 @@ decimal -\ >NAME PRIMSTART 22may93jaw - -\ : >name ( xt -- nfa ) -\ BEGIN 1 chars - -\ dup c@ alias-mask and -\ UNTIL ; - -: PrimStart ['] true >name ; - \ look 17may93jaw +\ rename to discover!!! + : (look) ( xt startlfa -- lfa flag ) false swap BEGIN @ dup - WHILE dup name> + WHILE dup name>int 3 pick = IF nip dup THEN REPEAT drop nip dup 0<> ; + +\ !!! nicht optimal! +[IFUNDEF] look +has? ec [IF] + +has? rom +[IF] +: look + dup [ unlock rom-dictionary area lock ] + literal literal within + IF + >name dup ?? <> + ELSE + forth-wordlist @ (look) + THEN ; +[ELSE] +: look ( cfa -- lfa flag ) + >name dup ??? <> ; +[THEN] + +[ELSE] + +: PrimStart ['] true >name ; + : look ( cfa -- lfa flag ) - dup forthstart < - IF PrimStart (look) - ELSE >name true THEN ; + dup in-dictionary? + IF + >name dup ??? <> + ELSE + PrimStart (look) + THEN ; +[THEN] +[THEN]