/usr/lib/ats-anairiats-0.2.5/prelude/HATS/lmacrodef.hats is in ats-lang-anairiats 0.2.5-0ubuntu1.
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) 2002-2010 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 of the file: Hongwei Xi (hwxi AT cs DOT bu DOT edu)
//
(* ****** ****** *)
(* some commonly used _local_ macro definitions *)
(* ****** ****** *)
//
symintr is_nil
symintr is_cons
//
symintr tup_head
symintr tup_tail
//
(* ****** ****** *)
macdef min (x, y) = if ,(x) <= ,(y) then ,(x) else ,(y)
macdef max (x, y) = if ,(x) <= ,(y) then ,(y) else ,(x)
(* ****** ****** *)
macdef println (x) = (print ,(x); print_newline ())
macdef prerrln (x) = (prerr ,(x); prerr_newline ())
(* ****** ****** *)
local
macrodef
rec
printstar_rec args =
if is_nil args then `() else `(
print ,(tup_head args) ; ,(printstar_rec (tup_tail args))
) // end of [if]
// end of [printstar_rec]
macrodef
rec
prerrstar_rec args =
if is_nil args then `() else `(
prerr ,(tup_head args) ; ,(prerrstar_rec (tup_tail args))
) // end of [if]
// end of [prerrstar_rec]
in // in of [local]
//
// HX: for instance, we can write something like:
// printstarln @("x+y = ", x+y, " and x*y = ", x*y)
//
macdef printstar args = ,(printstar_rec args)
macdef printstarln args = begin ,(printstar_rec args); print_newline () end
macdef prerrstar args = ,(prerrstar_rec args)
macdef prerrstarln args = begin ,(prerrstar_rec args); prerr_newline () end
end // end of [local]
(* ****** ****** *)
(* end of [lmacrodef.hats] *)
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