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Diff for /gforth/kernel/cloop.fs between versions 1.3 and 1.11

version 1.3, 2000/09/23 15:47:09 version 1.11, 2007/12/31 19:02:25
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 \ Structural Conditionals, loops part                  12dec92py  \ Structural Conditionals, loops part                  12dec92py
   
 \ Copyright (C) 1995,1996,1997,1999 Free Software Foundation, Inc.  \ Copyright (C) 1995,1996,1997,1999,2001,2003,2006,2007 Free Software Foundation, Inc.
   
 \ This file is part of Gforth.  \ This file is part of Gforth.
   
 \ Gforth is free software; you can redistribute it and/or  \ Gforth is free software; you can redistribute it and/or
 \ modify it under the terms of the GNU General Public License  \ modify it under the terms of the GNU General Public License
 \ as published by the Free Software Foundation; either version 2  \ as published by the Free Software Foundation, either version 3
 \ of the License, or (at your option) any later version.  \ of the License, or (at your option) any later version.
   
 \ This program is distributed in the hope that it will be useful,  \ This program is distributed in the hope that it will be useful,
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 \ GNU General Public License for more details.  \ GNU General Public License for more details.
   
 \ You should have received a copy of the GNU General Public License  \ You should have received a copy of the GNU General Public License
 \ along with this program; if not, write to the Free Software  \ along with this program. If not, see http://www.gnu.org/licenses/.
 \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.  
   
 \ Structural Conditionals                              12dec92py  \ Structural Conditionals                              12dec92py
   
 Variable leavings  \ this works with flash
   
 : (leave)   here  leavings @ ,  leavings ! ;  : (leave)   -1 , ;
 : LEAVE     compile branch  (leave) ;  immediate restrict  : LEAVE     postpone branch  (leave) ;  immediate restrict
 : ?LEAVE    compile 0= compile ?branch  (leave) ;  : ?LEAVE    postpone 0= postpone ?branch  (leave) ;
                                              immediate restrict                                               immediate restrict
   
 : DONE   ( addr -- )  leavings @  : DONE   ( addr -- )  here  swap ?DO
   BEGIN  2dup u<=  WHILE  dup @ swap >resolve  REPEAT          I @ ['] branch =  I @ ['] ?branch = or  I @ ['] (?do) = or
   leavings ! drop ;                          immediate restrict          I cell+ @ -1 = and  IF  I cell+ >resolve  THEN
       cell +LOOP ;                             immediate restrict
   
 \ Structural Conditionals                              12dec92py  \ Structural Conditionals                              12dec92py
   
 : DO        compile (do)   here ;            immediate restrict  : DO        postpone (do)   here ;            immediate restrict
   
 : ?DO       compile (?do)  (leave) here ;  : ?DO       postpone (?do)  (leave) here ;
                                              immediate restrict                                               immediate restrict
 : FOR       compile (for)  here ;            immediate restrict  : FOR       postpone (for)  here ;            immediate restrict
   
 : loop]     dup <resolve 2 cells - compile done compile unloop ;  : loop]     dup <resolve 2 cells - postpone done postpone unloop ;
   
 : LOOP      sys? compile (loop)  loop] ;     immediate restrict  : LOOP      sys? postpone (loop)  loop] ;     immediate restrict
 : +LOOP     sys? compile (+loop) loop] ;     immediate restrict  : +LOOP     sys? postpone (+loop) loop] ;     immediate restrict
 : NEXT      sys? compile (next)  loop] ;     immediate restrict  : NEXT      sys? postpone (next)  loop] ;     immediate restrict
   
 : EXIT compile ;s ; immediate restrict  : EXIT postpone ;s ; immediate restrict
 : ?EXIT postpone IF postpone EXIT postpone THEN ; immediate restrict  : ?EXIT postpone IF postpone EXIT postpone THEN ; immediate restrict
   
Removed from v.1.3  
changed lines
  Added in v.1.11

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