--- gforth/struct.fs 1995/08/27 19:56:39 1.4 +++ gforth/struct.fs 1997/03/21 12:21:13 1.10 @@ -1,4 +1,23 @@ -\ $Id: struct.fs,v 1.4 1995/08/27 19:56:39 pazsan Exp $ +\ data structures (like C structs) + +\ Copyright (C) 1995 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., 675 Mass Ave, Cambridge, MA 02139, USA. + \ Usage example: \ @@ -18,7 +37,7 @@ : field ( offset1 align1 size align -- offset2 align2 ) \ note: this version uses local variables - Header reveal -7 ( [ :dostruc ] Literal ) cfa, + [IFDEF] (Field) (Field) [ELSE] Header reveal dofield: cfa, [THEN] >r rot r@ nalign dup , ( align1 size offset ) + swap r> nalign ; @@ -47,12 +66,11 @@ : floats: ( n -- size align ) floats 1 floats ; -\ dfoats and sfloats is not yet defined -\ : dfloats: ( n -- size align ) -\ dfloats 1 dfloats ; -\ -\ : sfloats: ( n -- size align ) -\ sfloats 1 sfloats ; +: dfloats: ( n -- size align ) + dfloats 1 dfloats ; + +: sfloats: ( n -- size align ) + sfloats 1 sfloats ; : struct-align ( size align -- ) dp @ swap nalign dp ! @@ -62,5 +80,5 @@ over swap struct-align here swap allot ; -: struct-allocate ( size align -- addr ) +: struct-allocate ( size align -- addr ior ) drop allocate ;