/usr/lib/ats-anairiats-0.2.5/prelude/macrodef.sats 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) 2002-2008 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 of the file: Hongwei Xi (hwxi AT cs DOT bu DOT edu)
(* ****** ****** *)
(* some commonly used macro definitions *)
(* ****** ****** *)
#include "prelude/params.hats"
(* ****** ****** *)
#if VERBOSE_PRELUDE #then
#print "Loading [macrodef.ats] starts!\n"
#endif // end of [VERBOSE_PRELUDE]
(* ****** ****** *)
(* macros in short form *)
// [orelse] and [andalso] are not defined in the curried
// form as they are infix operators
macdef orelse (x, y) = if ,(x) then true else ,(y)
macdef andalso (x, y) = if ,(x) then ,(y) else false
(* ****** ****** *)
macdef assertloc (b) = assert_errmsg (,(b), #LOCATION)
(* ****** ****** *)
(* only a macro in long form can be defined recursively *)
macrodef
rec power_mac x(*base:code*) n(*exponent:int*) =
if n > 1 then `(,(x) * ,(power_mac x (n-1))) else (if n > 0 then x else `(1))
// end of [power_mac]
macdef
square_mac (x) = ,(power_mac x 2) and cube_mac (x) = ,(power_mac x 3)
(* ****** ****** *)
macdef
print_mac (fprint, x) = let
val (pf_stdout | ptr_stdout) = stdout_get ()
in
,(fprint) (file_mode_lte_w_w | !ptr_stdout, ,(x));
stdout_view_set (pf_stdout | (*none*))
end // end of [print_mac]
macdef
prerr_mac (fprint, x) = let
val (pf_stderr | ptr_stderr) = stderr_get ()
in
,(fprint) (file_mode_lte_w_w | !ptr_stderr, ,(x));
stderr_view_set (pf_stderr | (*none*))
end // end of [prerr_mac]
(* ****** ****** *)
#if VERBOSE_PRELUDE #then
#print "Loading [macrodef.ats] finishes!\n"
#endif // end of [VERBOSE_PRELUDE]
(* ****** ****** *)
(* end of [macrodef.sats] *)
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