Diff for /gforth/wordinfo.fs between versions 1.13 and 1.27

version 1.13, 1996/08/26 10:07:22 version 1.27, 2007/12/31 18:40:24
Line 1 Line 1
 \ WORDINFO.FS  V1.0                                    17may93jaw  \ WORDINFO.FS  V1.0                                    17may93jaw
   
 \ Copyright (C) 1995 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1998,2000,2003 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
 \ Gforth is free software; you can redistribute it and/or  \ Gforth is free software; you can redistribute it and/or
 \ modify it under the terms of the GNU General Public License  \ modify it under the terms of the GNU General Public License
 \ as published by the Free Software Foundation; either version 2  \ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.  \ of the License, or (at your option) any later version.
   
 \ This program is distributed in the hope that it will be useful,  \ This program is distributed in the hope that it will be useful,
Line 15 Line 15
 \ GNU General Public License for more details.  \ GNU General Public License for more details.
   
 \ You should have received a copy of the GNU General Public License  \ You should have received a copy of the GNU General Public License
 \ along with this program; if not, write to the Free Software  \ along with this program. If not, see http://www.gnu.org/licenses/.
 \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  
   
 \ May be cross-compiled  \ May be cross-compiled
 \ If you want check values then exclude comments,  \ If you want check values then exclude comments,
 \ but keep in mind that this can't be cross-compiled  \ 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  \ Wordinfo is a tool that checks a nfa
 \ and finds out what wordtype we have  \ and finds out what wordtype we have
Line 31  INCLUDE look.fs Line 30  INCLUDE look.fs
 \ the old alias? did not work and it is not used, so I changed  \ the old alias? did not work and it is not used, so I changed
 \ it in many respects - anton  \ it in many respects - anton
 : alias? ( nfa1 -- nfa2|0 )  : alias? ( nfa1 -- nfa2|0 )
     \ if nfa1 is an alias, nfa2 is the name of the original word      \ if nfa1 is an alias, nfa2 is the name of the original word.
     dup cell+ c@ alias-mask and 0=      \ if the original word has no name, return 0.
       dup cell+ @ alias-mask and 0=
     IF ( nfa1 )      IF ( nfa1 )
         ((name>)) @ >name ( use look instead? )          ((name>)) @ >name
     ELSE      ELSE
         drop 0          drop 0
     THEN ;      THEN ;
Line 61  INCLUDE look.fs Line 61  INCLUDE look.fs
 \ the above words could be factored with create-does>, but this would  \ the above words could be factored with create-does>, but this would
 \ probably make this file incompatible with cross.  \ 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 )  : prim? ( nfa -- flag )
         name>int          name>int xtprim? ;
         forthstart u< ;  
   
 \ None nestable IDs:  \ None nestable IDs:
   

Removed from v.1.13  
changed lines
  Added in v.1.27


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