root/tags/lgt2210/configs/ifprolog.config

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Logtalk - Object oriented extension to Prolog
%  Release 2.21.0
%
%  configuration file for IF/Prolog 5.1
%
%  last updated: July 17, 2004
% 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%




%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  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, Prop) :-
    predicate_property(Pred, Prop).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  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).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  Prolog built-in metapredicates
%
%  (excluding ISO Prolog Standard metapredicates)
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% '$lgt_pl_metapredicate'(?callable).

'$lgt_pl_metapredicate'(_) :-
    fail.



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  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)

'$lgt_file_extension'(metafile, '.mlgt').
'$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').
'$lgt_default_flag'(xmlspec, dtd).
'$lgt_default_flag'(doctype, local).

'$lgt_default_flag'(unknown, warning).
'$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).

'$lgt_default_flag'(smart_compilation, off).

'$lgt_default_flag'(startup_message, flags).

'$lgt_default_flag'(underscore_vars, singletons).

'$lgt_default_flag'(code_prefix, '').

'$lgt_default_flag'(debug, off).
'$lgt_default_flag'(supports_break_predicate, true).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  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).


'$lgt_member_var'(V, [H| _]) :-
    V == H.
'$lgt_member_var'(V, [_| T]) :-
    '$lgt_member_var'(V, T).


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


'$lgt_reverse'(List, Reversed) :-
    '$lgt_reverse'(List, [], Reversed, Reversed).

'$lgt_reverse'([], Reversed, Reversed, []).
'$lgt_reverse'([Head| Tail], List, Reversed, [_| Bound]) :-
    '$lgt_reverse'(Tail, [Head| List], Reversed, Bound).



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


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

'$lgt_file_exists'(File) :-
    file_test(File, read).


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

'$lgt_load_prolog_code'(File) :-
    reconsult(File).


% '$lgt_compare_file_mtimes'(?atom, +atom, +atom)
%
% compare file modification times

'$lgt_compare_file_mtimes'(Result, File1, File2) :-
    get_file_info(File1, mtime, Time1),
    get_file_info(File2, mtime, Time2),
    compare(Result, Time1, Time2).



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


% '$lgt_keysort'(+list, -list)

'$lgt_keysort'(List, Sorted) :-
    throw(error(not_implemented, keysort/2)).


% '$lgt_sort'(+list, -list)

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



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  time and date predicates
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


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

'$lgt_current_date'(Year, Month, Day) :-
    localtime(time, Year, Month, Day, _, _, _, _, _).


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

'$lgt_current_time'(Hours, Mins, Secs) :-
    localtime(time, _, _, _, _, _, Hours, Min, Secs).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  timing predicate
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% '$lgt_cpu_time'(-Seconds)

'$lgt_cpu_time'(Seconds) :-
    Seconds is cputime.



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


% compare(?atom, @term, @term) -- built-in



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  callable predicate
%
%  the usual callable/1 definition
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


% callable(@term)

callable(Term) :-
    once((atom(Term); compound(Term))).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  read character predicate
%
%  read a single character echoing it and writing a newline after
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


'$lgt_read_single_char'(Char) :-
    get_char(Char).



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%  pretty print a term by naming its free variables
%  (avoid instantiating variables in term by using double negation if necessary)
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


'$lgt_pretty_print_vars'(Stream, Term) :-
    \+ \+ (
        numbervars(Term, 0, _),
        write_term(Stream, Term, [numbervars(true)])).


'$lgt_pretty_print_vars_quoted'(Stream, Term) :-
    \+ \+ (
        numbervars(Term, 0, _),
        write_term(Stream, Term, [numbervars(true), quoted(true)])).



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%
%  end!
%
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