\ run-time code for defining words
\ Copyright (C) 1995,1996,1997,1998 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 2
\ 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, write to the Free Software
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
\ If we leave out the compiler we need the runtime code for our defining
\ words. This file defines the defining words without the
\ interpretative/compiling part.
has? compiler 0= [IF]
\ fillers for interpreter only mode
.( Do-Fillers: )
: (does>) ;
doer? :dofield 0= [IF] .( DOFIELD )
| : (Field) DOES> @ + ;
doer? :dodefer 0= [IF] .( DODEFER )
| : Defer ( "name" -- ) DOES> @ execute ;
| : 2Constant ( w1 w2 "name" -- ) \ double
DOES> ( -- w1 w2 )
doer? :docon 0= [IF] .( DOCON )
| : (Constant) DOES> @ ;
doer? :douser 0= [IF] .( DOUSER )
| : User DOES> @ up @ + ;
doer? :dovar 0= [IF] .( DOVAR )
| : Create ( "name" -- ) \ core