--- gforth/kernel/cond-old.fs 1997/05/21 20:40:14 1.1 +++ gforth/kernel/cond-old.fs 2000/09/23 15:47:09 1.5 @@ -1,6 +1,6 @@ \ Structural Conditionals 12dec92py -\ Copyright (C) 1995-1997 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997,1999 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -16,63 +16,7 @@ \ 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. - -0 constant defstart - -: ?struc ( flag -- ) abort" unstructured " ; -: sys? ( sys -- ) dup 0= ?struc ; -: >mark ( -- sys ) here 0 , ; -: >resolve ( sys -- ) here over - swap ! ; -: mark ; immediate restrict -: IF compile ?branch >mark ; immediate restrict -: THEN sys? dup @ ?struc >resolve ; immediate restrict -: ELSE sys? compile AHEAD swap compile THEN ; - immediate restrict - -' THEN Alias ENDIF immediate restrict - -: BEGIN here ; immediate restrict -: WHILE sys? compile IF swap ; immediate restrict -: AGAIN sys? compile branch resolve REPEAT - leavings ! drop ; immediate restrict - -\ Structural Conditionals 12dec92py - -: DO compile (do) here ; immediate restrict - -: ?DO compile (?do) (leave) here ; - immediate restrict -: FOR compile (for) here ; immediate restrict - -: loop] dup