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Annotation of gforth/kernel/doers.fs, revision 1.6

1.2       anton       1: \ run-time code for defining words
                      2: 
1.5       anton       3: \ Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
1.2       anton       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 2
                     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, write to the Free Software
1.6     ! anton      19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1       pazsan     20: 
                     21: 
                     22: \ If we leave out the compiler we need the runtime code for our defining
                     23: \ words. This file defines the defining words without the
                     24: \ interpretative/compiling part.
                     25: 
                     26: has? compiler 0= [IF]
                     27: 
                     28: \ fillers for interpreter only mode
1.3       jwilke     29: \D compileddofillers .( Do-Fillers: )
1.1       pazsan     30: 
                     31: : (does>) ;    
                     32: 
1.3       jwilke     33: doer? :dofield 0= [IF] \D compileddofillers .( DOFIELD )
1.1       pazsan     34: | : (Field)  DOES> @ + ;
                     35: [THEN]
                     36: 
1.3       jwilke     37: doer? :dodefer 0= [IF] \D compileddofillers .( DODEFER )
1.1       pazsan     38: | : Defer ( "name" -- ) DOES> @ execute ;
                     39: [THEN]
                     40: 
1.3       jwilke     41: \D compileddofillers .( DO2CON )
                     42: | : 2Constant ( w1 w2 "name" -- ) 
1.1       pazsan     43:     DOES> ( -- w1 w2 )
                     44:         2@ ;
                     45: 
1.3       jwilke     46: doer? :docon 0= [IF] \D compileddofillers .( DOCON )
1.1       pazsan     47: | : (Constant)  DOES> @ ;
                     48: [THEN]
                     49: 
1.3       jwilke     50: doer? :douser 0= [IF] \D compileddofillers .( DOUSER )
1.4       jwilke     51: | : User DOES> @ [IFDEF] up@ up@ [ELSE] up @ [THEN] + ;
1.1       pazsan     52: [THEN]
                     53: 
1.3       jwilke     54: doer? :dovar 0= [IF] \D compileddofillers .( DOVAR )
1.1       pazsan     55: | : Create ( "name" -- ) \ core
                     56:     DOES> ;
                     57: 
1.3       jwilke     58: \D compileddofillers .( .)
1.1       pazsan     59: [THEN]