/usr/lib/ats-anairiats-0.2.11/prelude/SATS/unsafe.sats is in ats-lang-anairiats 0.2.11-1build1.
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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)
// Time: October, 2010
//
(* ****** ****** *)
//
// HX:
// For safety, [unsafe.sats] should not be loaded automatically.
// The unsafe functions declared here must be used with caution!!!
//
(* ****** ****** *)
#define ATS_STALOADFLAG 0 // there is no need for staloading at run-time
(* ****** ****** *)
//
// HX: [castvwtp1] : it is mostly used in a situation
// where a linear value is passed as a read-only value;
// for instance, casting [strptr] to [string]
//
castfn cast {to:t@ype} {from:t@ype} (x: from):<> to
castfn castvwtp0 {to:viewt@ype}{from:viewt@ype} (x: from):<> to
castfn castvwtp_trans {to:viewt@ype}{from:viewt@ype} (x: from):<> to
castfn castvwtp1 {to:viewt@ype}{from:viewt@ype} (x: !from):<> to
(* ****** ****** *)
//
castfn cast2ptr {a:type} (x: a):<> ptr
castfn cast2Ptr {a:type} (x: a):<> Ptr
castfn cast2Ptr1 {a:type} (x: a):<> Ptr1
//
castfn cast2int {a:t@ype} (x: a):<> int
castfn cast2uint {a:t@ype} (x: a):<> uint
castfn cast2lint {a:t@ype} (x: a):<> lint
castfn cast2ulint {a:t@ype} (x: a):<> ulint
castfn cast2size {a:t@ype} (x: a):<> size_t
castfn cast2ssize {a:t@ype} (x: a):<> ssize_t
//
(* ****** ****** *)
castfn linstr2str {l:agz} (str: !strptr l):<> string
(* ****** ****** *)
castfn linlst2lst
{a:t@ype}{n:int} (xs: !list_vt (a, n)):<> list (a, n)
// end of [linlst2lst]
(* ****** ****** *)
//
// HX: only if you know what you are doing ...
//
fun{a:viewt@ype} ptr0_get (p: ptr):<> a
fun{a:viewt@ype} ptr0_set (p: ptr, x: a):<> void
//
fun{a:viewt@ype} ptr1_get (p: Ptr1):<> a
fun{a:viewt@ype} ptr1_set (p: Ptr1, x: a):<> void
//
fun{a:viewt@ype}
ptrget (p: Ptr1):<> a // backward compatibility
fun{a:viewt@ype}
ptrset (p: Ptr1, x: a):<> void // backward compatibility
//
(* ****** ****** *)
//
// HX-2011-02-26: virtual takeout
//
absview
viewout (v:view) // invariant!
//
prfun vtakeout {v:view} (pf: !v): viewout (v)
prfun viewout_decode
{v:view} (pf: viewout (v)): (v, v -<lin,prf> void)
// end of [viewout_decode]
(* ****** ****** *)
//
// HX: only if you know what you are doing ...
//
castfn ptr0_vtake
{a:viewt@ype} (p: ptr):<> [l:addr] (a@l, a@l -<lin,prf> void | ptr l)
castfn ptr1_vtake
{a:viewt@ype}{l:addr} (p: ptr l):<> (a@l, a@l -<lin,prf> void | ptr l)
//
(* ****** ****** *)
(* end of [unsafe.sats] *)
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