/usr/lib/ats-anairiats-0.2.5/prelude/DATS/basics.dats is in ats-lang-anairiats 0.2.5-0ubuntu1.
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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: Hongwei Xi (hwxi AT cs DOT bu DOT edu) *)
(* ****** ****** *)
#define ATS_DYNLOADFLAG 0 // no dynamic loading
(* ****** ****** *)
(*
// HX: this is declared in $ATSHOME/prelude/basic_dyn.sats:
// prfun verify_constraint {p:bool | p} (): [p] void // verify and add
*)
implement verify_constraint () = ()
(* ****** ****** *)
//
// HX:
// file_mode_lte_r_r and file_mode_lte_w_w
// are declared in $ATSHOME/prelude/basic_dyn.ats
//
implement file_mode_lte_r_r = file_mode_lte_refl {r} ()
implement file_mode_lte_w_w = file_mode_lte_refl {w} ()
(* ****** ****** *)
implement option_v_unnone (pfopt) =
let prval None_v () = pfopt in (*nothing *) end
implement option_v_unsome (pfopt) = let prval Some_v (pf) = pfopt in pf end
(* ****** ****** *)
implement unit_v_elim (pf) = let prval unit_v () = pf in (*nothing*) end
(* ****** ****** *)
%{^
ats_int_type
ats_crash_int () {
return *((int*)0) ; // HX: for the purpose of debugging
} // end of [ats_crash_int]
%} // end of [%{^]
implement crash () = let
val status = crash_int () where {
extern fun crash_int (): int = "ats_crash_int"
} // end of [val]
val () = exit (status)
in
// nothing
end // end of [crash]
(* ****** ****** *)
%{^
/*
** HX: various functions for exits
*/
ats_void_type // external
ats_exit
(ats_int_type status) { exit(status) ; return ; }
// end of [ats_exit]
ats_void_type // external
ats_exit_errmsg (
ats_int_type status
, ats_ptr_type errmsg
) {
fprintf(stderr, "%s", (char*)errmsg) ; exit(status) ;
return ; // deadcode
} /* end of [ats_exit_errmsg] */
%} // end of [%{^]
(* ****** ****** *)
%{^
/*
** HX: various functions for asserts
*/
ats_void_type
atspre_assertfalse () {
//
extern void ats_crash() ;
//
fprintf(stderr, "[assertfalse] executed\n") ;
ats_crash() ; // HX: this is likely to cause a core dump!
return ;
} // end of [atspre_asertfasle]
ats_void_type
atspre_assert (
ats_bool_type assertion
) {
if (!assertion) {
fprintf (stderr, "exit(ATS): [assert] failed\n") ;
exit(EXIT_FAILURE) ;
} // end of [if]
return ;
} /* end of [atspre_assert] */
ats_void_type
atspre_assert_errmsg (
ats_bool_type assertion, ats_ptr_type errmsg
) {
if (!assertion) {
fprintf (stderr, "exit(ATS): [assert] failed: %s\n", (char*)errmsg) ;
exit(EXIT_FAILURE) ;
} // end of [if]
return ;
} /* end of [atspre_assert_errmsg] */
%} // end of [%{^]
(* ****** ****** *)
(* end of [basics.dats] *)
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