root/tags/lgt293/configs/prologII.config

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Logtalk - Object oriented extension to Prolog
%  Release 2.9.3
%
%  configuration file for PrologII+ 4.5
%
%  last updated: December 30, 2001
% 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


:- set_prolog_flag(unknown, :fail).


abort :-
    block_exit(0).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  ISO Prolog Standard predicates that we must define because they are
%  not built-in
%
%  add a clause for lgt_iso_predicate/1 declaring each ISO predicate that
%  we must define; there must be at least one clause for this predicate
%  whose call should fail if we don't define any ISO predicates
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% lgt_iso_predicate(?callable).

lgt_iso_predicate(_) :-
    fail.



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  predicate properties
%
%  this predicate must return at least static, dynamic and built_in 
%  properties for an existing predicate
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% lgt_predicate_property(+callable, ?predicate_property)

lgt_predicate_property(Pred, built_in) :-
    predefined(Pred).

lgt_predicate_property(_, dynamic).

lgt_predicate_property(_, static) :-
    fail.



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  metapredicates
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% forall(+callable, +callble)

forall(Generate, Test) :-
    \+ call((Generate, \+ call(Test))).


% lgt_call/2-8
%
% use these definitions only if your compiler does
% not provide call/1-8 as built-in predicates

lgt_call(F, A) :-
    Call =.. [F, A],
    call(Call).


lgt_call(F, A1, A2) :-
    Call =.. [F, A1, A2],
    call(Call).


lgt_call(F, A1, A2, A3) :-
    Call =.. [F, A1, A2, A3],
    call(Call).


lgt_call(F, A1, A2, A3, A4) :-
    Call =.. [F, A1, A2, A3, A4],
    call(Call).


lgt_call(F, A1, A2, A3, A4, A5) :-
    Call =.. [F, A1, A2, A3, A4, A5],
    call(Call).


lgt_call(F, A1, A2, A3, A4, A5, A6) :-
    Call =.. [F, A1, A2, A3, A4, A5, A6],
    call(Call).


lgt_call(F, A1, A2, A3, A4, A5, A6, A7) :-
    Call =.. [F, A1, A2, A3, A4, A5, A6, A7],
    call(Call).


% lgt_once/2-8
%
% if your compiler provides call/1-8 as built-in 
% predicates rewrite these definitions using call(...), !.

lgt_once(F, A) :-
    Call =.. [F, A],
    once(Call).


lgt_once(F, A1, A2) :-
    Call =.. [F, A1, A2],
    once(Call).


lgt_once(F, A1, A2, A3) :-
    Call =.. [F, A1, A2, A3],
    once(Call).


lgt_once(F, A1, A2, A3, A4) :-
    Call =.. [F, A1, A2, A3, A4],
    once(Call).


lgt_once(F, A1, A2, A3, A4, A5) :-
    Call =.. [F, A1, A2, A3, A4, A5],
    once(Call).


lgt_once(F, A1, A2, A3, A4, A5, A6) :-
    Call =.. [F, A1, A2, A3, A4, A5, A6],
    once(Call).


lgt_once(F, A1, A2, A3, A4, A5, A6, A7) :-
    Call =.. [F, A1, A2, A3, A4, A5, A6, A7],
    once(Call).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  file extension predicates
%
%  these extensions are used by Logtalk load/compile predicates
%
%  you may want to change the extension for Prolog files to match 
%  the one expected by your Prolog compiler
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% lgt_file_extension(?atom, ?atom)

lgt_file_extension(logtalk, '.lgt').
lgt_file_extension(prolog, '.pl').
lgt_file_extension(xml, '.xml').



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  default flag values
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% lgt_default_flag(?atom, ?atom)
%
% default values for all flags

lgt_default_flag(iso_initialization_dir, true).

lgt_default_flag(xml, on).
lgt_default_flag(xsl, 'lgtxml.xsl').

lgt_default_flag(unknown, warning).
lgt_default_flag(misspelt, warning).
lgt_default_flag(singletons, warning).
lgt_default_flag(lgtredef, warning).
lgt_default_flag(plredef, silent).
lgt_default_flag(portability, silent).

lgt_default_flag(report, on).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  list predicates
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


lgt_append([], List, List).
lgt_append([Head| Tail], List, [Head| Tail2]) :-
    lgt_append(Tail, List, Tail2).


lgt_member(Head, [Head| _]).
lgt_member(Head, [_| Tail]) :-
    lgt_member(Head, Tail).


lgt_member_var(Var, [Head| _]) :-
    Var == Head.
lgt_member_var(Var, [_| Tail]) :-
    lgt_member_var(Var, Tail).


lgt_proper_list([]).
lgt_proper_list([_| List]) :-
    lgt_proper_list(List).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  file predicates
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% lgt_file_exists(+atom)
%
% see if a file exist in the current directory

lgt_file_exists(File) :-    
    nonvar(File),
    catch(open(File, :read, Stream), _, fail),
    close(Stream).


% lgt_load_prolog_code(+atom)
%
% compile and load a Prolog file

lgt_load_prolog_code(File) :-
    reconsult(File),
    write(File),
    write(' loaded'),
    nl.



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  sorting predicates
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% lgt_keysort(+list, -list)

lgt_keysort(List, Sorted) :-
    keysort(List, Sorted).


% lgt_sort( +List, -Sorted )

lgt_sort(List, Sorted) :-
    sort(List, Sorted).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  time and date predicates
%
%  if your Prolog compiler does not provide access to the operating system 
%  time and date just write dummy definitions
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% lgt_current_date(?Year, ?Month, ?Day)

lgt_current_date(Year, Month, Day) :-
    date(Day, Month, Year, _).


% lgt_current_time(?Hours, ?Mins, ?Secs)

lgt_current_time(Hours, Mins, Secs) :-
    time(Hours, Mins, Secs).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  timing predicate
%
%  if your Prolog compiler does not provide access to a timing predicate 
%  just write dummy definition
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% lgt_cpu_time(-Seconds)

lgt_cpu_time(Seconds) :-
    cpu_time(Milliseconds),
    Seconds is Milliseconds/1000.0.



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  comparison predicate
%
%  the usual compare/3 definition
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% compare(?atom, @term, @term)

compare(<, X, Y) :-
    X @< Y, !.

compare(=, X, Y) :-
    X == Y, !.
    
compare(>, X, Y) :-
    X @> Y.



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  end!
%
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