File:  [gforth] / gforth / kernel / doers.fs
Revision 1.10: download - view: text, annotated - select for diffs
Mon Dec 31 19:02:25 2007 UTC (14 years, 11 months ago) by anton
Branches: MAIN
CVS tags: v0-7-0, HEAD
updated copyright year after changing license notice

    1: \ run-time code for defining words
    2: 
    3: \ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2007 Free Software Foundation, Inc.
    4: 
    5: \ This file is part of Gforth.
    6: 
    7: \ Gforth is free software; you can redistribute it and/or
    8: \ modify it under the terms of the GNU General Public License
    9: \ as published by the Free Software Foundation, either version 3
   10: \ of the License, or (at your option) any later version.
   11: 
   12: \ This program is distributed in the hope that it will be useful,
   13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
   14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   15: \ GNU General Public License for more details.
   16: 
   17: \ You should have received a copy of the GNU General Public License
   18: \ along with this program. If not, see http://www.gnu.org/licenses/.
   19: 
   20: 
   21: \ If we leave out the compiler we need the runtime code for our defining
   22: \ words. This file defines the defining words without the
   23: \ interpretative/compiling part.
   24: 
   25: has? compiler 0= [IF]
   26: 
   27: \ fillers for interpreter only mode
   28: \D compileddofillers .( Do-Fillers: )
   29: 
   30: : (does>) ;    
   31: 
   32: doer? :dofield 0= [IF] \D compileddofillers .( DOFIELD )
   33: | : (Field)  DOES> @ + ;
   34: [THEN]
   35: 
   36: doer? :dodefer 0= [IF] \D compileddofillers .( DODEFER )
   37: | : Defer ( "name" -- ) DOES> @ execute ;
   38: [THEN]
   39: 
   40: \D compileddofillers .( DO2CON )
   41: | : 2Constant ( w1 w2 "name" -- ) 
   42:     DOES> ( -- w1 w2 )
   43:         2@ ;
   44: 
   45: doer? :docon 0= [IF] \D compileddofillers .( DOCON )
   46: | : (Constant)  DOES> @ ;
   47: [THEN]
   48: 
   49: doer? :douser 0= [IF] \D compileddofillers .( DOUSER )
   50: | : User DOES> @ [IFDEF] up@ up@ [ELSE] up @ [THEN] + ;
   51: [THEN]
   52: 
   53: doer? :dovar 0= [IF] \D compileddofillers .( DOVAR )
   54: | : Create ( "name" -- ) \ core
   55:     DOES> ;
   56: 
   57: \D compileddofillers .( .)
   58: [THEN]

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