/usr/lib/ats2-postiats-0.1.3/libats/SATS/gnode.sats is in ats2-lang 0.1.3-1.
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 *)
(* *)
(***********************************************************************)
(*
** ATS/Postiats - Unleashing the Potential of Types!
** Copyright (C) 2011-2013 Hongwei Xi, ATS Trustful Software, Inc.
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU GENERAL PUBLIC LICENSE (GPL) as published by the
** Free Software Foundation; either version 3, 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
// AuthorEmail: hwxi AT cs DOT bu DOT edu
// Start time: December, 2012
//
(* ****** ****** *)
//
// HX: there is no involvement of malloc/free
// HX: generic nodes: singly-linked, doubly-linked, ...
//
(* ****** ****** *)
#define ATS_PACKNAME "ATSLIB.libats.gnode"
(* ****** ****** *)
sortdef tk = tkind
sortdef t0p = t@ype and vt0p = vt@ype
(* ****** ****** *)
//
abstype
gnode (tk:tk, a:vt@ype+, l:addr) = ptr
//
typedef
gnode (tk:tk, a:vt0p) = [l:addr] gnode (tk, a, l)
typedef
gnode0 (tk:tk, a:vt0p) = [l:addr | l >= null] gnode (tk, a, l)
typedef
gnode1 (tk:tk, a:vt0p) = [l:addr | l > null] gnode (tk, a, l)
//
(* ****** ****** *)
praxi
lemma_gnode
{tk:tk}{a:vt0p}{l:addr} (nx: gnode (tk, a, l)): [l >= null] void
// end of [lemma_gnode]
(* ****** ****** *)
castfn
gnode2ptr {tk:tk}{a:vt0p}{l:addr} (nx: gnode (tk, a, l)):<> ptr (l)
(* ****** ****** *)
fun{
} gnode_null
{tk:tk}{a:vt0p} ():<> gnode (tk, a, null)
// end of [gnode_null]
(* ****** ****** *)
fun{
} gnode_is_null
{tk:tk}{a:vt0p}{l:addr} (nx: gnode (tk, INV(a), l)):<> bool (l==null)
// end of [gnode_is_null]
fun{
} gnode_isnot_null
{tk:tk}{a:vt0p}{l:addr} (nx: gnode (tk, INV(a), l)):<> bool (l > null)
// end of [gnode_isnot_null]
(* ****** ****** *)
fun{
tk:tk}{a:t0p
} gnode_get_elt (nx: gnode1 (tk, INV(a))):<> (a)
fun{
tk:tk}{a:t0p
} gnode_set_elt (nx: gnode1 (tk, INV(a)), x0: a):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode_getref_elt (nx: gnode1 (tk, INV(a))):<> cPtr1 (a)
(* ****** ****** *)
fun{
tk:tk}{a:vt0p // implemented
} gnode_get_next (nx: gnode1 (tk, INV(a))):<> gnode0 (tk, a)
fun{
tk:tk}{a:vt0p // implemented
} gnode_set_next (nx: gnode1 (tk, INV(a)), nx2: gnode (tk, a)):<!wrt> void
fun{
tk:tk}{a:vt0p // implemented
} gnode0_set_next (nx: gnode0 (tk, INV(a)), nx2: gnode (tk, a)):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode_set_next_null (nx: gnode1 (tk, INV(a))):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode0_set_next_null (nx: gnode0 (tk, INV(a))):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode_getref_next (nx: gnode1 (tk, INV(a))):<> cPtr1 (gnode0(tk, a))
(* ****** ****** *)
fun{
tk:tk}{a:vt0p
} gnode_get_prev (nx: gnode1 (tk, INV(a))):<> gnode0 (tk, a)
fun{
tk:tk}{a:vt0p
} gnode_set_prev (nx: gnode1 (tk, INV(a)), nx2: gnode (tk, a)):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode0_set_prev (nx: gnode0 (tk, INV(a)), nx2: gnode (tk, a)):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode_set_prev_null (nx: gnode1 (tk, INV(a))):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode0_set_prev_null (nx: gnode0 (tk, INV(a))):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode_getref_prev (nx: gnode1 (tk, INV(a))):<> cPtr1 (gnode0 (tk, a))
(* ****** ****** *)
(*
fun{
tk:tk}{a:vt0p
} gnode_link (nx1: gnode1 (tk, INV(a)), nx2: gnode1 (tk, a)):<!wrt> void
*)
fun{
tk:tk}{a:vt0p
} gnode_link00 (nx1: gnode0 (tk, INV(a)), nx2: gnode0 (tk, a)):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode_link01 (nx1: gnode0 (tk, INV(a)), nx2: gnode1 (tk, a)):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode_link10 (nx1: gnode1 (tk, INV(a)), nx2: gnode0 (tk, a)):<!wrt> void
fun{
tk:tk}{a:vt0p
} gnode_link11 (nx1: gnode1 (tk, INV(a)), nx2: gnode1 (tk, a)):<!wrt> void
(* ****** ****** *)
fun{
tk:tk}{a:vt0p
} gnode_insert_next
(nx1: gnode1 (tk, INV(a)), nx2: gnode1 (tk, a)):<!wrt> void
// end of [gnode_insert_next]
fun{
tk:tk}{a:vt0p
} gnode_insert_prev
(nx1: gnode1 (tk, INV(a)), nx2: gnode1 (tk, a)):<!wrt> void
// end of [gnode_insert_prev]
(* ****** ****** *)
fun{
tk:tk}{a:vt0p
} gnode_remove (nx: gnode1 (tk, INV(a))):<!wrt> gnode1 (tk, a)
fun{
tk:tk}{a:vt0p
} gnode_remove_next (nx: gnode1 (tk, INV(a))):<!wrt> gnode0 (tk, a)
fun{
tk:tk}{a:vt0p
} gnode_remove_prev (nx: gnode1 (tk, INV(a))):<!wrt> gnode0 (tk, a)
(* ****** ****** *)
macdef
gnodelst_is_nil (nxs) = gnode_is_null (,(nxs))
macdef
gnodelst_is_cons (nxs) = gnode_isnot_null (,(nxs))
(* ****** ****** *)
fun{
tk:tk}{a:vt0p
} gnodelst_length (nxs: gnode0 (tk, INV(a))):<> intGte(0)
fun{
tk:tk}{a:vt0p
} gnodelst_rlength (nxs: gnode0 (tk, INV(a))):<> intGte(0)
(* ****** ****** *)
fun{
tk:tk}{a:vt0p
} gnodelst_next_all (nxs: gnode1 (tk, INV(a))):<> gnode1 (tk, a)
fun{
tk:tk}{a:vt0p
} gnodelst_prev_all (nxs: gnode1 (tk, INV(a))):<> gnode1 (tk, a)
(* ****** ****** *)
(* end of [gnode.sats] *)
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