/usr/lib/ats2-postiats-0.2.6/prelude/lmacrodef.sats is in ats2-lang 0.2.6-2.
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) 2010-2013 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 of the file:
// Hongwei Xi (gmhwxiATgmailDOTcom)
// Start Time: March, 2013
//
(* ****** ****** *)
//
// HX-2013-03:
// lmacrodef: local macro definitions
//
(* ****** ****** *)
//
macdef :+= (x, a) = let val v = ,(x) in ,(x) := ,(a) + v end
macdef :-= (x, a) = let val v = ,(x) in ,(x) := ,(a) - v end
macdef :*= (x, a) = let val v = ,(x) in ,(x) := ,(a) * v end
macdef :/= (x, a) = let val v = ,(x) in ,(x) := ,(a) / v end
//
(* ****** ****** *)
//
macdef :=+ (x, a) = let val v = ,(x) in ,(x) := v + ,(a) end
macdef :=- (x, a) = let val v = ,(x) in ,(x) := v - ,(a) end
macdef :=* (x, a) = let val v = ,(x) in ,(x) := v * ,(a) end
macdef :=/ (x, a) = let val v = ,(x) in ,(x) := v / ,(a) end
//
(* ****** ****** *)
//
macdef
println(x) = (print(,(x)); print_newline())
macdef
prerrln(x) = (prerr(,(x)); prerr_newline())
//
macdef
fprintln(out, x) = (fprint(,(out), ,(x)); fprint_newline(,(out)))
//
(* ****** ****** *)
(*
//
// HX-2012-08:
//
// this example makes use of recursive macrodef
//
*)
(*
//
local
//
macrodef
rec
auxlist
(xs, y) =
(
//
if
iscons! (xs)
then `(print ,(car! xs); ,(auxlist (cdr! xs, y))) else y
// end of [if]
//
) (* end of [auxlist] *)
//
in (* in of [local] *)
macdef
print_mac (x) =
,(
if islist! (x) then auxlist (x, `()) else `(print ,(x))
) (* end of [print_mac] *)
macdef
println_mac (x) =
,(
if islist! (x)
then auxlist (x, `(print_newline())) else `(print ,(x); print_newline())
// end of [if]
) (* end of [println_mac] *)
end // end of [local]
//
*)
(* ****** ****** *)
(* end of [lmacrodef.sats] *)
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