Annotation of gforth/kernel-ec/doers.fs, revision 1.2

1.1       pazsan      1: \ run-time code for defining words
                      2: 
1.2     ! anton       3: \ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2007,2012 Free Software Foundation, Inc.
1.1       pazsan      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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