[gforth] / gforth / chains.fs  

gforth: gforth/chains.fs

Diff for /gforth/chains.fs between version 1.1 and 1.5

version 1.1, Sun Jul 6 14:15:10 1997 UTC version 1.5, Sun Mar 9 15:16:46 2003 UTC
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 \ chains.fs execution chains for gforth                 21jun97jaw  \ chains.fs execution chains for gforth                 21jun97jaw
   
   \ Copyright (C) 1998,2000 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
   
 0 [IF]  0 [IF]
 This defines execution chains.  This defines execution chains.
 The first application for this is building initialization chains:  The first application for this is building initialization chains:
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 execute all the code with "foo8 chainperform".  execute all the code with "foo8 chainperform".
 [THEN]  [THEN]
   
   has? cross
   [IF]   e? compiler
   [ELSE] true
   [THEN]
   
   [IF] \ only needed with compiler
   
 [IFUNDEF] linked  [IFUNDEF] linked
 : linked        here over @ a, swap ! ;  : linked        here over @ a, swap ! ;
 [THEN]  [THEN]
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 : chained       ( xt list -- ) \ gforth  : chained       ( xt list -- ) \ gforth
   linked , ;    linked , ;
   
   [THEN]
   
 : chainperform  ( list -- ) \ gforth  : chainperform  ( list -- ) \ gforth
   BEGIN @ dup WHILE dup cell+ perform REPEAT drop ;    BEGIN @ dup WHILE dup cell+ perform REPEAT drop ;
   

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