/usr/lib/ats-anairiats-0.2.11/prelude/SATS/ptrarr.sats is in ats-lang-anairiats 0.2.11-1.
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(* *)
(* Applied Type System *)
(* *)
(* Hongwei Xi *)
(* *)
(***********************************************************************)
(*
** ATS - Unleashing the Potential of Types!
** Copyright (C) 2002-2010 Hongwei Xi, Boston University
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU LESSER GENERAL PUBLIC LICENSE as published by the
** Free Software Foundation; either version 2.1, or (at your option) any
** later version.
**
** ATS 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 ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*)
(* ****** ****** *)
(* author: Hongwei Xi (hwxi AT cs DOT bu DOT edu) *)
(* ****** ****** *)
#define ATS_STALOADFLAG 0 // there is no need for staloading at run-time
(* ****** ****** *)
(*
//
// HX-2010-10-14: this accurately describes [ptrarr]:
//
typedef Ptr1 = [l:agz] ptr (l)
dataview ptrarr_v (n:int, l:addr) =
| {l:addr} ptrarr_v_nil (0, l) of ptr(null) @ l
| {l:addr} ptrarr_v_cons (n+1, l) of (Ptr1 @ l, ptrarr_v (n, l+sizeof(ptr)))
// end of [ptrarr_v]
*)
abst@ype ptrarr (n:int) = array (ptr, n+1)
(* ****** ****** *)
praxi
ptrarr_nil {l:addr} (pf: ptr null @ l): ptrarr (0) @ l
praxi
ptrarr_unnil {l:addr} (pf: ptrarr (0) @ l): ptr null @ l
(* ****** ****** *)
praxi
ptrarr_cons
{n:pos}{l:addr} (
pf1: Ptr1 @ l, pf2: ptrarr (n-1) @ l+sizeof(ptr)
) : ptrarr (n) @ l // end of [ptrarr_cons]
praxi
ptrarr_uncons {n:pos}{l:addr}
(pf: ptrarr (n) @ l): (Ptr1 @ l, ptrarr (n-1) @ l+sizeof(ptr))
// end of [ptrarr_uncons]
(* ****** ****** *)
praxi
ptrarr_takeout {vt:viewtype}
{n:nat} {l:addr} (pf: ptrarr(n) @ l): (
array_v (vt, n, l), array_v (vt, n, l) -<lin,prf> ptrarr(n) @ l
) // end of [ptrarr_takeout]
(* ****** ****** *)
fun ptrarr_size {n:nat}
(x: &ptrarr(n)): size_t(n) = "atspre_ptrarr_size"
// end of [ptrarr_size]
(* ****** ****** *)
(* end of [ptrarr.sats] *)
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