--- gforth/wordinfo.fs	1994/11/29 16:22:51	1.6
+++ gforth/wordinfo.fs	2007/12/31 18:40:24	1.27
@@ -1,59 +1,76 @@
 \ WORDINFO.FS  V1.0                                    17may93jaw
 
+\ Copyright (C) 1995,1996,1998,2000,2003 Free Software Foundation, Inc.
+
+\ This file is part of Gforth.
+
+\ Gforth is free software; you can redistribute it and/or
+\ modify it under the terms of the GNU General Public License
+\ as published by the Free Software Foundation, either version 3
+\ of the License, or (at your option) any later version.
+
+\ This program is distributed in the hope that it will be useful,
+\ but WITHOUT ANY WARRANTY; without even the implied warranty of
+\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+\ GNU General Public License for more details.
+
+\ You should have received a copy of the GNU General Public License
+\ along with this program. If not, see http://www.gnu.org/licenses/.
+
 \ May be cross-compiled
 \ If you want check values then exclude comments,
 \ but keep in mind that this can't be cross-compiled
 
-INCLUDE look.fs
+require look.fs
 
 \ Wordinfo is a tool that checks a nfa
 \ and finds out what wordtype we have
 \ it is used in SEE.FS
 
-: alias? ( nfa -- flag )
-        dup name> look
-        0= ABORT" WINFO: CFA not found"
-\       cell+
-        2dup <>
-        IF   nip dup 1 cells - here !
-             count $1f and here cell+ place true
-        ELSE 2drop false THEN ;
+\ the old alias? did not work and it is not used, so I changed
+\ it in many respects - anton
+: alias? ( nfa1 -- nfa2|0 )
+    \ if nfa1 is an alias, nfa2 is the name of the original word.
+    \ if the original word has no name, return 0.
+    dup cell+ @ alias-mask and 0=
+    IF ( nfa1 )
+	((name>)) @ >name
+    ELSE
+	drop 0
+    THEN ;
 
 : var?  ( nfa -- flag )
-        cell+ (name>)
-        >code-address ['] udp >code-address = ;
+    ((name>)) >code-address dovar: = ;
 
 : con?  ( nfa -- flag )
-        cell+ (name>)
-        >code-address ['] bl >code-address = ;
+    ((name>)) >code-address docon: = ;
 
 : user?  ( nfa -- flag )
-        cell+ (name>)
-        >code-address ['] s0 >code-address = ;
+    ((name>)) >code-address douser: = ;
 
 : does? ( nfa -- flag )
-        cell+ (name>)
-        >code-address ['] bits >code-address = ;
+    ((name>))
+    >does-code 0<> ;
 
 : defered? ( nfa -- flag )
-        cell+ (name>)
-        >code-address ['] source >code-address = ;
+    ((name>)) >code-address dodefer: = ;
 
 : colon? ( nfa -- flag )
-        cell+ (name>)
-        >code-address ['] does? >code-address = ;
-
-\ VALUE VCheck
+    ((name>)) >code-address docol: = ;
 
-\ : value? ( nfa -- flag )
-\         dup does?
-\         IF here @ ['] VCheck cell+ @ =
-\            dup IF swap (name>) >body @ here ! ELSE nip THEN
-\         ELSE drop false THEN ;
+\ the above words could be factored with create-does>, but this would
+\ probably make this file incompatible with cross.
 
+[IFDEF] forthstart
+: xtprim? ( xt -- flag )
+    in-dictionary? 0= ; \ !! does not work for CODE words
+[ELSE]
+: xtprim? ( xt -- flag )
+    dup >body swap >code-address = ; \ !! works only for indirect threaded code
+				     \ !! does not work for primitives
+[THEN]
 : prim? ( nfa -- flag )
-        name>
-        forthstart u< ;
+        name>int xtprim? ;
 
 \ None nestable IDs: