/usr/lib/ats-anairiats-0.2.11/prelude/DATS/reference.dats is in ats-lang-anairiats 0.2.11-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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(* *)
(* Applied Type System *)
(* *)
(* Hongwei Xi *)
(* *)
(***********************************************************************)
(*
** ATS - Unleashing the Potential of Types!
** Copyright (C) 2002-2008 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) *)
(* ****** ****** *)
// some built-in static constants for reference operations
(* ****** ****** *)
#define ATS_DYNLOADFLAG 0 // loaded by [ats_main_prelude]
(* ****** ****** *)
staload "prelude/SATS/reference.sats"
(* ****** ****** *)
(*
assume ref_viewt0ype_type (a:viewt@ype) =
[l:addr] @(vbox (a @ l) | ptr l)
*)
(* ****** ****** *)
implement{a} ref (x) = begin
let var x = x in ref_make_elt_tsz {a} (x, sizeof<a>) end
end // end of [ref_make_elt]
// [ref_make_elt] is the same as [ref]
implement{a} ref_make_elt (x) = ref<a> (x)
(* ****** ****** *)
implement{a} ref_get_elt (r) = !r
implement{a} ref_set_elt (r, x) = (!r := x)
(* ****** ****** *)
// implement{a} refconst_get_elt (r) = !r
(* ****** ****** *)
implement{a} ref_swap (r, x) = let
val (vbox pf | p) = ref_get_view_ptr r; val tmp = !p
in
!p := x; x := tmp
end // end of [ref_swap]
(* ****** ****** *)
implement
ref_app_fun
{a} (r, f) = begin
let val (vbox pf | p) = ref_get_view_ptr r in f (!p) end
end // end of [ref_app_fun]
(* ****** ****** *)
(* end of [reference.dats] *)
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