/*  Part of SWI-Prolog

    Author:        Jan Wielemaker & Paulo Moura
    E-mail:        J.Wielemaker@cs.vu.nl
    WWW:           http://www.swi-prolog.org
    Copyright (c)  2007-2012, University of Amsterdam,
                              Paulo Moura,
                              VU University Amsterdam
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.

    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in
       the documentation and/or other materials provided with the
       distribution.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
    COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
    BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
    ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.
*/

:- module(iso_predicates,
	  [ iso_builtin_predicate/1,	% ?Term
	    iso_builtin_function/1	% ?Term
	  ]).

/** <module> Define ISO builtin predicates

This module describes the ISO  core   standard  built-in  predicates. It
originates from Logtalk. Note that, although  the artistic license would
allow redistribution under a new name and   interface  using the GPL, we
preserve the original license.

@author  Paulo Moura
@author  Jan Wielemaker
@licence GPL+SWI-exception or Artistic 2.0
@see	 predicate_property/2, property =iso=.
*/

%%	iso_builtin_predicate(?Head:callable) is nondet.
%
%	True if Head describes  a  builtin   defined  by  the ISO Prolog
%	standard (ISO/IEC 1321 l-l).

iso_builtin_predicate(true).
iso_builtin_predicate(fail).
iso_builtin_predicate(call(_)).
iso_builtin_predicate(!).
iso_builtin_predicate((Goal; _)) :-
	(   var(Goal)
	->  true
	;   Goal \= '*->'(_,_)		% exclude SWI's soft-cut.
	).
iso_builtin_predicate((_, _)).
iso_builtin_predicate((_ -> _)).
iso_builtin_predicate(catch(_, _, _)).
iso_builtin_predicate(throw(_)).

iso_builtin_predicate((_ = _)).
iso_builtin_predicate((_ \= _)).
iso_builtin_predicate(unify_with_occurs_check(_, _)).

iso_builtin_predicate(var(_)).
iso_builtin_predicate(nonvar(_)).
iso_builtin_predicate(atom(_)).
iso_builtin_predicate(atomic(_)).
iso_builtin_predicate(number(_)).
iso_builtin_predicate(integer(_)).
iso_builtin_predicate(float(_)).
iso_builtin_predicate(compound(_)).

iso_builtin_predicate((_ @=< _)).
iso_builtin_predicate((_ @< _)).
iso_builtin_predicate((_ @>= _)).
iso_builtin_predicate((_ @> _)).
iso_builtin_predicate((_ == _)).
iso_builtin_predicate((_ \== _)).

iso_builtin_predicate(functor(_, _, _)).
iso_builtin_predicate(arg(_, _, _)).
iso_builtin_predicate(_ =.. _).
iso_builtin_predicate(copy_term(_, _)).

iso_builtin_predicate(_ is _).

iso_builtin_predicate((_ =< _)).
iso_builtin_predicate((_ < _)).
iso_builtin_predicate((_ >= _)).
iso_builtin_predicate((_ > _)).
iso_builtin_predicate((_ =:= _)).
iso_builtin_predicate((_ =\= _)).

iso_builtin_predicate(clause(_, _)).
iso_builtin_predicate(current_predicate(_)).

iso_builtin_predicate(asserta(_)).
iso_builtin_predicate(assertz(_)).
iso_builtin_predicate(retract(_)).
iso_builtin_predicate(abolish(_)).

iso_builtin_predicate(findall(_, _, _)).
iso_builtin_predicate(bagof(_, _, _)).
iso_builtin_predicate(setof(_, _, _)).

iso_builtin_predicate(current_input(_)).
iso_builtin_predicate(current_output(_)).
iso_builtin_predicate(set_input(_)).
iso_builtin_predicate(set_output(_)).
iso_builtin_predicate(open(_, _, _, _)).
iso_builtin_predicate(open(_, _, _)).
iso_builtin_predicate(close(_, _)).
iso_builtin_predicate(close(_)).
iso_builtin_predicate(flush_output(_)).
iso_builtin_predicate(flush_output).
iso_builtin_predicate(stream_property(_, _)).
iso_builtin_predicate(at_end_of_stream).
iso_builtin_predicate(at_end_of_stream(_)).
iso_builtin_predicate(set_stream_position(_, _)).

iso_builtin_predicate(get_char(_, _)).
iso_builtin_predicate(get_char(_)).
iso_builtin_predicate(get_code(_, _)).
iso_builtin_predicate(get_code(_)).
iso_builtin_predicate(peek_char(_, _)).
iso_builtin_predicate(peek_char(_)).
iso_builtin_predicate(peek_code(_, _)).
iso_builtin_predicate(peek_code(_)).
iso_builtin_predicate(put_char(_, _)).
iso_builtin_predicate(put_char(_)).
iso_builtin_predicate(put_code(_, _)).
iso_builtin_predicate(put_code(_)).
iso_builtin_predicate(nl).
iso_builtin_predicate(nl(_)).

iso_builtin_predicate(get_byte(_, _)).
iso_builtin_predicate(get_byte(_)).
iso_builtin_predicate(peek_byte(_, _)).
iso_builtin_predicate(peek_byte(_)).
iso_builtin_predicate(put_byte(_, _)).
iso_builtin_predicate(put_byte(_)).

iso_builtin_predicate(read_term(_, _, _)).
iso_builtin_predicate(read_term(_, _)).
iso_builtin_predicate(read(_)).
iso_builtin_predicate(read(_, _)).
iso_builtin_predicate(write_term(_, _, _)).
iso_builtin_predicate(write_term(_, _)).
iso_builtin_predicate(write(_)).
iso_builtin_predicate(write(_, _)).
iso_builtin_predicate(writeq(_)).
iso_builtin_predicate(writeq(_, _)).
iso_builtin_predicate(write_canonical(_)).
iso_builtin_predicate(write_canonical(_, _)).
iso_builtin_predicate(op(_, _, _)).
iso_builtin_predicate(current_op(_, _, _)).
iso_builtin_predicate(char_conversion(_, _)).
iso_builtin_predicate(current_char_conversion(_, _)).

iso_builtin_predicate(\+ _).
iso_builtin_predicate(once(_)).
iso_builtin_predicate(repeat).

iso_builtin_predicate(atom_length(_, _)).
iso_builtin_predicate(atom_concat(_, _, _)).
iso_builtin_predicate(sub_atom(_, _, _, _, _)).
iso_builtin_predicate(atom_chars(_, _)).
iso_builtin_predicate(atom_codes(_, _)).
iso_builtin_predicate(char_code(_, _)).
iso_builtin_predicate(number_chars(_, _)).
iso_builtin_predicate(number_codes(_, _)).

iso_builtin_predicate(set_prolog_flag(_, _)).
iso_builtin_predicate(current_prolog_flag(_, _)).
iso_builtin_predicate(halt).
iso_builtin_predicate(halt(_)).

%	ISO wg17 proposal on threads
%	Note that the list below only contains the predicates that are
%	-in my opinion- beyond discussion.

iso_builtin_predicate(thread_create(_,_,_)).
iso_builtin_predicate(thread_self(_)).
iso_builtin_predicate(thread_join(_,_)).
iso_builtin_predicate(thread_detach(_)).
iso_builtin_predicate(thread_signal(_,_)).
iso_builtin_predicate(thread_property(_,_)).
iso_builtin_predicate(mutex_create(_,_)).
iso_builtin_predicate(mutex_destroy(_)).
iso_builtin_predicate(with_mutex(_,_)).
iso_builtin_predicate(mutex_lock(_)).
iso_builtin_predicate(mutex_unlock(_)).
iso_builtin_predicate(mutex_trylock(_)).
iso_builtin_predicate(mutex_property(_,_)).
iso_builtin_predicate(message_queue_create(_,_)).
iso_builtin_predicate(message_queue_destroy(_)).
iso_builtin_predicate(message_queue_property(_,_)).
iso_builtin_predicate(thread_send_message(_,_)).
iso_builtin_predicate(thread_get_message(_)).
iso_builtin_predicate(thread_get_message(_,_)).
iso_builtin_predicate(thread_peek_message(_)).
iso_builtin_predicate(thread_peek_message(_,_)).

%	Predicates from ISO/IEC DTR 13211-1:2006
%	Note that predicates not supported yet by YAP are not in here.

%iso_builtin_predicate(subsumes(_,_)).
iso_builtin_predicate(callable(_)).
iso_builtin_predicate(ground(_)).
iso_builtin_predicate(compare(_, _, _)).
iso_builtin_predicate(numbervars(_,_,_)).
iso_builtin_predicate(predicate_property(_,_)).
iso_builtin_predicate(retractall(_)).
%iso_builtin_predicate(forall(_,_)).
iso_builtin_predicate(call(_,_)).
iso_builtin_predicate(call(_,_,_)).
iso_builtin_predicate(call(_,_,_,_)).
%iso_builtin_predicate(call_cleanup(_,_)).
%iso_builtin_predicate(append(_,_,_)).
iso_builtin_predicate(length(_,_)).
%iso_builtin_predicate(member(_,_)).
iso_builtin_predicate(sort(_,_)).
iso_builtin_predicate(keysort(_,_)).

%%	iso_builtin_function(?Head:callable) is nondet.
%
%	True if Head describes a builtin  arithmetic function as defined
%	by the ISO Prolog standard (ISO/IEC 1321 l-l).

iso_builtin_function(_ + _).
iso_builtin_function(_ - _).
iso_builtin_function(_ * _).
iso_builtin_function(_ // _).
iso_builtin_function(_ / _).
iso_builtin_function(_ rem _).
iso_builtin_function(_ mod _).
iso_builtin_function(_ ** _).
iso_builtin_function(_ >> _).
iso_builtin_function(_ << _).
iso_builtin_function(_ /\ _).
iso_builtin_function(_ \/ _).
iso_builtin_function(- _).
iso_builtin_function(+ _).
iso_builtin_function(min(_,_)).
iso_builtin_function(max(_,_)).
iso_builtin_function(abs(_)).
iso_builtin_function(sign(_)).
iso_builtin_function(float_integer_part(_)).
iso_builtin_function(float_fractional_part(_)).
iso_builtin_function(float(_)).
iso_builtin_function(floor(_)).
iso_builtin_function(truncate(_)).
iso_builtin_function(round(_)).
iso_builtin_function(ceiling(_)).
iso_builtin_function(sin(_)).
iso_builtin_function(cos(_)).
iso_builtin_function(asin(_)).
iso_builtin_function(acos(_)).
iso_builtin_function(atan(_)).
iso_builtin_function(atan2(_,_)).
iso_builtin_function(exp(_)).
iso_builtin_function(log(_)).
iso_builtin_function(sqrt(_)).
iso_builtin_function(\(_)).