1026 lines
31 KiB
Prolog
Executable File
1026 lines
31 KiB
Prolog
Executable File
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: flags.yap *
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* Last rev: *
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* mods: *
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* comments: controlling YAP *
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* *
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*************************************************************************/
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yap_flag(V,Out) :-
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'$user_defined_flag'(V,_,_,_),
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(nonvar(V) ->
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!
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;
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true
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),
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'$user_flag_value'(V, Out).
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yap_flag(V,Out) :-
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( var(V) ->
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'$swi_current_prolog_flag'(V, Out)
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;
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'$swi_current_prolog_flag'(V, Current)
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->
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(var(Out) ->
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Current = Out
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;
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'$swi_set_prolog_flag'(V, Out)
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)
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).
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yap_flag(V,Out) :-
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var(V), !,
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'$show_yap_flag_opts'(V,Out).
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% do or do not machine code
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yap_flag(fast,on) :- set_value('$fast',true).
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yap_flag(fast,off) :- !, set_value('$fast',[]).
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% do or do not machine code
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yap_flag(autoload,V) :-
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var(V), !,
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( autoloader:autoload -> V = true ; V = false ).
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yap_flag(autoload,true) :-
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'$ensure_autoload',
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assert(autoloader:autoload).
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yap_flag(autoload,false) :-
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retract(autoloader:autoload).
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% do or do not machine code
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yap_flag(argv,L) :- '$argv'(L).
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% hide/unhide atoms
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yap_flag(hide,Atom) :- !, hide(Atom).
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yap_flag(unhide,Atom) :- !, unhide(Atom).
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% control garbage collection
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yap_flag(gc,V) :-
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var(V), !,
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( get_value('$gc',[]) -> V = off ; V = on).
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yap_flag(gc,on) :- !, set_value('$gc',true).
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yap_flag(gc,off) :- !, set_value('$gc',[]).
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yap_flag(gc_margin,N) :-
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( var(N) ->
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get_value('$gc_margin',N)
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;
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integer(N), N >0 ->
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set_value('$gc_margin',N)
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;
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'$do_error'(domain_error(flag_value,gc_margin+X),yap_flag(gc_margin,X))
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).
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yap_flag(gc_trace,V) :-
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var(V), !,
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get_value('$gc_trace',N1),
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get_value('$gc_verbose',N2),
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get_value('$gc_very_verbose',N3),
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'$yap_flag_show_gc_tracing'(N1, N2, N3, V).
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yap_flag(gc_trace,on) :- !,
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set_value('$gc_trace',true),
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set_value('$gc_verbose',[]),
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set_value('$gc_very_verbose',[]).
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yap_flag(gc_trace,verbose) :- !,
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set_value('$gc_trace',[]),
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set_value('$gc_verbose',true),
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set_value('$gc_very_verbose',[]).
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yap_flag(gc_trace,very_verbose) :- !,
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set_value('$gc_trace',[]),
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set_value('$gc_verbose',true),
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set_value('$gc_very_verbose',true).
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yap_flag(gc_trace,off) :-
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set_value('$gc_trace',[]),
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set_value('$gc_verbose',[]),
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set_value('$gc_very_verbose',[]).
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yap_flag(syntax_errors, V) :- var(V), !,
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'$get_read_error_handler'(V).
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yap_flag(syntax_errors, Option) :-
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'$set_read_error_handler'(Option).
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% compatibility flag
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yap_flag(enhanced,on) :- !, set_value('$enhanced',true).
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yap_flag(enhanced,off) :- set_value('$enhanced',[]).
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% compatibility flag
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yap_flag(agc_margin,Margin) :-
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'$agc_threshold'(Margin).
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%
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% SWI compatibility flag
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%
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yap_flag(debug_on_error,X) :-
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var(X), !,
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X = false.
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yap_flag(debug_on_error,true) :- !,
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X = true,
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'$do_error'(domain_error(flag_value,debug_on_error+X),yap_flag(debug_on_error,X)).
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yap_flag(debug_on_error,false) :- !.
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yap_flag(debug_on_error,X) :-
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'$do_error'(domain_error(flag_value,debug_on_error+X),yap_flag(debug_on_error,X)).
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yap_flag(generate_debug_info,X) :-
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var(X), !,
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'$access_yap_flags'(18,Options),
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(Options =:= 0 -> X = false ; X = true ).
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yap_flag(generate_debug_info,true) :- !,
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'$enable_restore_flag_info'(generate_debug_info),
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'$set_yap_flags'(18,1),
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source.
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yap_flag(generate_debug_info,false) :- !,
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'$enable_restore_flag_info'(generate_debug_info),
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'$set_yap_flags'(18,0),
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no_source.
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yap_flag(generate_debug_info,X) :-
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'$do_error'(domain_error(flag_value,generate_debug_info+X),yap_flag(generate_debug_info,X)).
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'$enable_restore_flag_info'(_) :-
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nb_getval('$consulting_file',[]), !.
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'$enable_restore_flag_info'(_) :-
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nb_getval('$initialization_goals',on), !.
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'$enable_restore_flag_info'(Flag) :-
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'$show_consult_level'(Level1),
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yap_flag(Flag, Info),
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% it will be done after we leave the current consult level.
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Level is Level1-1,
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recorda('$initialisation',do(Level,yap_flag(Flag,Info)),_),
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fail.
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'$enable_restore_flag_info'(_).
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%
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% show state of $
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%
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yap_flag(dollar_as_lower_case,V) :-
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var(V), !,
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'$type_of_char'(36,T),
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(T = 3 -> V = on ; V = off).
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%
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% make $a a legit atom
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%
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yap_flag(dollar_as_lower_case,on) :- !,
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'$change_type_of_char'(36,3).
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%
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% force quoting of '$a'
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%
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yap_flag(dollar_as_lower_case,off) :-
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'$change_type_of_char'(36,7).
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yap_flag(call_counting,X) :- (var(X); X = on; X = off), !,
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'$is_call_counted'(X).
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yap_flag(open_shared_object,X) :-
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var(X), !,
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('$open_shared_objects' -> X = true ; X = false).
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yap_flag(open_shared_object,X) :-
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(X = true ; X = false), !,
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'$do_error'(permission_error(modify,flag,open_shared_object),yap_flag(open_shared_object,X)).
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yap_flag(open_shared_object,X) :-
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'$do_error'(domain_error(flag_value,open_shared_object+X),yap_flag(open_shared_object,X)).
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yap_flag(open_shared_object,X) :-
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var(X), !,
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('$open_shared_objects' -> X = true ; X = false).
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yap_flag(open_shared_object,X) :-
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(X = true ; X = false), !,
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'$do_error'(permission_error(modify,flag,open_shared_object),yap_flag(open_shared_object,X)).
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yap_flag(open_shared_object,X) :-
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'$do_error'(domain_error(flag_value,open_shared_object+X),yap_flag(open_shared_object,X)).
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yap_flag(shared_object_extension,X) :-
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'$obj_suffix'([_|String]),
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atom_codes(X, String).
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:- set_value('$associate',yap).
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yap_flag(associate,X) :-
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var(X), !,
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get_value('$associate',X).
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yap_flag(associate,X) :-
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atom(X), !,
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set_value('$associate',X).
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yap_flag(associate,X) :-
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'$do_error'(type_error(atom,X),associate(X)).
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% do or do not indexation
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yap_flag(index,X) :- var(X),
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'$access_yap_flags'(19, X1),
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'$transl_to_index_mode'(X1,X), !.
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yap_flag(index,X) :-
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'$transl_to_index_mode'(X1,X), !,
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'$set_yap_flags'(19,X1).
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yap_flag(index,X) :-
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'$do_error'(domain_error(flag_value,index+X),yap_flag(index,X)).
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% do or do not indexation
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yap_flag(index_sub_term_search_depth,X) :- var(X),
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'$access_yap_flags'(23, X), !.
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yap_flag(index_sub_term_search_depth,X,X) :-
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integer(X), X > 0,
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'$set_yap_flags'(23,X1).
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yap_flag(index_sub_term_search_depth,X,X) :-
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\+ integer(X),
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'$do_error'(type_error(integer,X),yap_flag(index_sub_term_search_depth,X)).
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yap_flag(index_sub_term_search_depth,X,X) :-
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'$do_error'(domain_error(out_of_range,index_sub_term_search_depth+X),yap_flag(index_sub_term_search_depth,X)).
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% should match definitions in Yap.h
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'$transl_to_index_mode'(0, off).
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'$transl_to_index_mode'(1, single).
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'$transl_to_index_mode'(2, compact).
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'$transl_to_index_mode'(3, multi).
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'$transl_to_index_mode'(3, on). % default is multi argument indexing
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'$transl_to_index_mode'(4, max).
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% tabling mode
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yap_flag(tabling_mode,Options) :-
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var(Options), !,
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'$access_yap_flags'(20,Options).
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yap_flag(tabling_mode,[]) :- !,
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yap_flag(tabling_mode,default).
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yap_flag(tabling_mode,[HOption|TOption]) :- !,
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yap_flag(tabling_mode,TOption),
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yap_flag(tabling_mode,HOption).
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yap_flag(tabling_mode,Option) :-
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'$transl_to_yap_flag_tabling_mode'(Flag,Option), !,
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'$set_yap_flags'(20,Flag).
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yap_flag(tabling_mode,Options) :-
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'$do_error'(domain_error(flag_value,tabling_mode+Options),yap_flag(tabling_mode,Options)).
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% should match with code in stdpreds.c
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'$transl_to_yap_flag_tabling_mode'(0,default).
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'$transl_to_yap_flag_tabling_mode'(1,batched).
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'$transl_to_yap_flag_tabling_mode'(2,local).
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'$transl_to_yap_flag_tabling_mode'(3,exec_answers).
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'$transl_to_yap_flag_tabling_mode'(4,load_answers).
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'$transl_to_yap_flag_tabling_mode'(5,local_trie).
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'$transl_to_yap_flag_tabling_mode'(6,global_trie).
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yap_flag(informational_messages,X) :- var(X), !,
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get_value('$verbose',X).
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yap_flag(informational_messages,on) :- !,
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set_value('$verbose',on),
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'$set_yap_flags'(22,0).
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yap_flag(informational_messages,off) :- !,
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set_value('$verbose',off),
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'$set_yap_flags'(22,1).
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yap_flag(informational_messages,X) :-
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'$do_error'(domain_error(flag_value,informational_messages+X),yap_flag(informational_messages,X)).
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yap_flag(verbose,X) :- var(X), !,
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get_value('$verbose',X0),
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(X0 == on -> X = normal ; X = silent).
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yap_flag(verbose,normal) :- !,
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set_value('$verbose',on),
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'$set_yap_flags'(22,0).
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yap_flag(verbose,silent) :- !,
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set_value('$verbose',off),
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'$set_yap_flags'(22,1).
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yap_flag(verbose,X) :-
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'$do_error'(domain_error(flag_value,verbose+X),yap_flag(verbose,X)).
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yap_flag(integer_rounding_function,X) :-
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var(X), !,
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'$access_yap_flags'(2, X1),
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'$transl_to_rounding_function'(X1,X).
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yap_flag(integer_rounding_function,X) :-
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(X = down; X = toward_zero), !,
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'$do_error'(permission_error(modify,flag,integer_rounding_function),yap_flag(integer_rounding_function,X)).
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yap_flag(integer_rounding_function,X) :-
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'$do_error'(domain_error(flag_value,integer_rounding_function+X),yap_flag(integer_rounding_function,X)).
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yap_flag(version,X) :-
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var(X), !,
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get_value('$version_name',X).
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yap_flag(version,X) :-
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'$do_error'(permission_error(modify,flag,version),yap_flag(version,X)).
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/* ISO Core Revision DTR: new float flags
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yap_flag(float_mantissa_digits,X) :-
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var(X), !,
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?????
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yap_flag(float_mantissa_digits,X) :-
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integer(X), X > 0, !,
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'$do_error'(permission_error(modify,flag,float_mantissa_digits),yap_flag(float_mantissa_digits,X)).
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yap_flag(float_mantissa_digits,X) :-
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'$do_error'(domain_error(flag_value,float_mantissa_digits+X),yap_flag(float_mantissa_digits,X)).
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yap_flag(float_epsilon,X) :-
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var(X), !,
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?????
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yap_flag(float_epsilon,X) :-
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float(X), X > 0, !,
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'$do_error'(permission_error(modify,flag,float_epsilon),yap_flag(float_epsilon,X)).
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yap_flag(float_epsilon,X) :-
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'$do_error'(domain_error(flag_value,float_epsilon+X),yap_flag(float_epsilon,X)).
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yap_flag(float_min_exponent,X) :-
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var(X), !,
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?????
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yap_flag(float_min_exponent,X) :-
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integer(X), X > 0, !,
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'$do_error'(permission_error(modify,flag,float_min_exponent),yap_flag(float_min_exponent,X)).
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yap_flag(float_epsilon,X) :-
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'$do_error'(domain_error(flag_value,float_min_exponent+X),yap_flag(float_min_exponent,X)).
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yap_flag(float_max_exponent,X) :-
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var(X), !,
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?????
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yap_flag(float_max_exponent,X) :-
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integer(X), X > 0, !,
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'$do_error'(permission_error(modify,flag,float_max_exponent),yap_flag(flo
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at_max_exponent,X)).
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yap_flag(float_max_exponent,X) :-
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'$do_error'(domain_error(flag_value,float_max_exponent+X),yap_flag(float_max_exponent,X)).
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*/
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yap_flag(char_conversion,X) :-
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var(X), !,
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'$access_yap_flags'(5, X1),
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'$transl_to_on_off'(X1,X).
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yap_flag(char_conversion,X) :-
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'$transl_to_on_off'(X1,X), !,
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'$set_yap_flags'(5,X1),
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( X1 = 1 ->
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'$force_char_conversion'
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;
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'$disable_char_conversion'
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).
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yap_flag(char_conversion,X) :-
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'$do_error'(domain_error(flag_value,char_conversion+X),yap_flag(char_conversion,X)).
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yap_flag(n_of_integer_keys_in_db,X) :-
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var(X), !,
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'$resize_int_keys'(X).
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yap_flag(n_of_integer_keys_in_db,X) :- integer(X), X > 0, !,
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'$resize_int_keys'(X).
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yap_flag(n_of_integer_keys_in_db,X) :-
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'$do_error'(domain_error(flag_value,n_of_integer_keys_in_db+X),yap_flag(n_of_integer_keys_in_db,X)).
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yap_flag(n_of_integer_keys_in_bb,X) :-
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var(X), !,
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'$resize_bb_int_keys'(X).
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yap_flag(n_of_integer_keys_in_bb,X) :- integer(X), X > 0, !,
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'$resize_bb_int_keys'(X).
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yap_flag(n_of_integer_keys_in_bb,X) :-
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'$do_error'(domain_error(flag_value,n_of_integer_keys_in_bb+X),yap_flag(n_of_integer_keys_in_bb,X)).
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yap_flag(profiling,X) :- (var(X); X = on; X = off), !,
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'$is_profiled'(X).
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yap_flag(strict_iso,OUT) :-
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var(OUT), !,
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'$access_yap_flags'(9,X),
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'$transl_to_on_off'(X,OUT).
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yap_flag(strict_iso,on) :- !,
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yap_flag(language,iso),
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'$transl_to_on_off'(X,on),
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'$set_yap_flags'(9,X).
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yap_flag(strict_iso,off) :- !,
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'$transl_to_on_off'(X,off),
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'$set_yap_flags'(9,X).
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yap_flag(strict_iso,X) :-
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'$do_error'(domain_error(flag_value,strict_iso+X),yap_flag(strict_iso,X)).
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yap_flag(variable_names_may_end_with_quotes,OUT) :-
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var(OUT), !,
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'$access_yap_flags'(21,X),
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'$transl_to_on_off'(X,OUT).
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yap_flag(variable_names_may_end_with_quotes,on) :- !,
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'$transl_to_on_off'(X,on),
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'$set_yap_flags'(21,X).
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yap_flag(variable_names_may_end_with_quotes,off) :- !,
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'$transl_to_on_off'(X,off),
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'$set_yap_flags'(21,X).
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yap_flag(variable_names_may_end_with_quotes,X) :-
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'$do_error'(domain_error(flag_value,strict_iso+X),yap_flag(strict_iso,X)).
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yap_flag(language,X) :-
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var(X), !,
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'$access_yap_flags'(8, X1),
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'$trans_to_lang_flag'(X1,X).
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yap_flag(language,X) :-
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'$trans_to_lang_flag'(N,X), !,
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'$set_yap_flags'(8,N),
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'$adjust_language'(X).
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yap_flag(language,X) :-
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'$do_error'(domain_error(flag_value,language+X),yap_flag(language,X)).
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yap_flag(debug,X) :-
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var(X), !,
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'$debug_on'(Val),
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(Val == true
|
|
->
|
|
X = on
|
|
;
|
|
X = true
|
|
).
|
|
yap_flag(debug,X) :-
|
|
'$transl_to_on_off'(_,X), !,
|
|
(X = on -> debug ; nodebug).
|
|
yap_flag(debug,X) :-
|
|
'$do_error'(domain_error(flag_value,debug+X),yap_flag(debug,X)).
|
|
|
|
yap_flag(discontiguous_warnings,X) :-
|
|
var(X), !,
|
|
'$syntax_check_discontiguous'(on,_).
|
|
yap_flag(discontiguous_warnings,X) :-
|
|
'$transl_to_on_off'(_,X), !,
|
|
(X == on ->
|
|
style_check(discontiguous)
|
|
;
|
|
style_check(-discontiguous)
|
|
).
|
|
yap_flag(discontiguous_warnings,X) :-
|
|
'$do_error'(domain_error(flag_value,discontiguous_warnings+X),yap_flag(discontiguous_warnings,X)).
|
|
|
|
yap_flag(redefine_warnings,X) :-
|
|
var(X), !,
|
|
'$syntax_check_multiple'(X,X).
|
|
yap_flag(redefine_warnings,X) :-
|
|
'$transl_to_on_off'(_,X), !,
|
|
(X == on ->
|
|
style_check(multiple)
|
|
;
|
|
style_check(-multiple)
|
|
).
|
|
yap_flag(redefine_warnings,X) :-
|
|
'$do_error'(domain_error(flag_value,redefine_warnings+X),yap_flag(redefine_warnings,X)).
|
|
|
|
yap_flag(chr_toplevel_show_store,X) :-
|
|
var(X), !,
|
|
'$nb_getval'('$chr_toplevel_show_store', X, fail).
|
|
yap_flag(chr_toplevel_show_store,X) :-
|
|
(X = true ; X = false), !,
|
|
nb_setval('$chr_toplevel_show_store',X).
|
|
yap_flag(chr_toplevel_show_store,X) :-
|
|
'$do_error'(domain_error(flag_value,chr_toplevel_show_store+X),yap_flag(chr_toplevel_show_store,X)).
|
|
|
|
yap_flag(open_expands_filename,Expand) :-
|
|
var(Expand), !,
|
|
'$default_expand'(Expand).
|
|
yap_flag(open_expands_filename,Expand) :-
|
|
'$set_default_expand'(Expand).
|
|
|
|
yap_flag(single_var_warnings,X) :-
|
|
var(X), !,
|
|
'$syntax_check_single_var'(X,X).
|
|
yap_flag(single_var_warnings,X) :-
|
|
'$transl_to_on_off'(_,X), !,
|
|
(X == on ->
|
|
style_check(single_var)
|
|
;
|
|
style_check(-single_var)
|
|
).
|
|
yap_flag(single_var_warnings,X) :-
|
|
'$do_error'(domain_error(flag_value,single_var_warnings+X),yap_flag(single_var_warnings,X)).
|
|
|
|
yap_flag(system_options,X) :-
|
|
'$system_options'(X).
|
|
|
|
'$system_options'(big_numbers) :-
|
|
'$has_bignums'.
|
|
'$system_options'(coroutining) :-
|
|
'$yap_has_coroutining'.
|
|
'$system_options'(depth_limit) :-
|
|
\+ '$undefined'(get_depth_limit(_), prolog).
|
|
'$system_options'(low_level_tracer) :-
|
|
\+ '$undefined'(start_low_level_trace, prolog).
|
|
'$system_options'(or_parallelism) :-
|
|
\+ '$undefined'('$c_yapor_start', prolog).
|
|
'$system_options'(rational_trees) :-
|
|
'$yap_has_rational_trees'.
|
|
'$system_options'(readline) :-
|
|
'$swi_current_prolog_flag'(readline, true).
|
|
'$system_options'(tabling) :-
|
|
\+ '$undefined'('$c_table'(_,_,_), prolog).
|
|
'$system_options'(wam_profiler) :-
|
|
\+ '$undefined'(reset_op_counters, prolog).
|
|
|
|
yap_flag(unknown,X) :-
|
|
var(X), !,
|
|
unknown(X,_).
|
|
yap_flag(unknown,N) :-
|
|
unknown(_,N).
|
|
|
|
yap_flag(to_chars_mode,X) :-
|
|
var(X), !,
|
|
( '$access_yap_flags'(7,0) -> X = quintus ; X = iso ).
|
|
yap_flag(to_chars_mode,quintus) :- !,
|
|
'$set_yap_flags'(7,0).
|
|
yap_flag(to_chars_mode,iso) :- !,
|
|
'$set_yap_flags'(7,1).
|
|
yap_flag(to_chars_mode,X) :-
|
|
'$do_error'(domain_error(flag_value,to_chars_mode+X),yap_flag(to_chars_mode,X)).
|
|
|
|
yap_flag(character_escapes,X) :-
|
|
var(X), !,
|
|
'$access_yap_flags'(12,Y),
|
|
'$transl_to_character_escape_modes'(Y,X).
|
|
yap_flag(character_escapes,X) :- !,
|
|
'$transl_to_character_escape_modes'(Y,X), !,
|
|
'$set_yap_flags'(12,Y).
|
|
yap_flag(character_escapes,X) :-
|
|
'$do_error'(domain_error(flag_value,character_escapes+X),yap_flag(to_chars_mode,X)).
|
|
|
|
yap_flag(update_semantics,X) :-
|
|
var(X), !,
|
|
( '$log_upd'(I) -> '$convert_upd_sem'(I,X) ).
|
|
yap_flag(update_semantics,logical) :- !,
|
|
'$switch_log_upd'(1).
|
|
yap_flag(update_semantics,logical_assert) :- !,
|
|
'$switch_log_upd'(2).
|
|
yap_flag(update_semantics,immediate) :- !,
|
|
'$switch_log_upd'(0).
|
|
yap_flag(update_semantics,X) :-
|
|
'$do_error'(domain_error(flag_value,update_semantics+X),yap_flag(update_semantics,X)).
|
|
|
|
yap_flag(toplevel_hook,G) :-
|
|
var(G), !,
|
|
( recorded('$toplevel_hooks',G,_) -> G ; G = fail ).
|
|
yap_flag(toplevel_hook,G) :- !,
|
|
'$set_toplevel_hook'(G).
|
|
|
|
yap_flag(shared_object_search_path,P) :-
|
|
'$ld_path'(P).
|
|
|
|
yap_flag(typein_module,X) :-
|
|
var(X), !,
|
|
'$current_module'(X).
|
|
yap_flag(typein_module,X) :-
|
|
module(X).
|
|
|
|
yap_flag(write_strings,OUT) :-
|
|
var(OUT), !,
|
|
'$access_yap_flags'(13,X),
|
|
'$transl_to_on_off'(X,OUT).
|
|
yap_flag(write_strings,on) :- !,
|
|
'$transl_to_on_off'(X,on),
|
|
'$set_yap_flags'(13,X).
|
|
yap_flag(write_strings,off) :- !,
|
|
'$transl_to_on_off'(X,off),
|
|
'$set_yap_flags'(13,X).
|
|
yap_flag(write_strings,X) :-
|
|
'$do_error'(domain_error(flag_value,write_strings+X),yap_flag(write_strings,X)).
|
|
|
|
yap_flag(prompt_alternatives_on,OUT) :-
|
|
var(OUT), !,
|
|
'$prompt_alternatives_on'(OUT).
|
|
yap_flag(prompt_alternatives_on,determinism) :- !,
|
|
'$purge_clauses'('$prompt_alternatives_on'(_),prolog),
|
|
'$compile'('$prompt_alternatives_on'(determinism),0,'$prompt_alternatives_on'(determinism),prolog).
|
|
yap_flag(prompt_alternatives_on,groundness) :- !,
|
|
'$purge_clauses'('$prompt_alternatives_on'(_),prolog),
|
|
'$compile'('$prompt_alternatives_on'(groundness),0,'$prompt_alternatives_on'(groundness),prolog).
|
|
yap_flag(prompt_alternatives_on,X) :-
|
|
'$do_error'(domain_error(flag_value,prompt_alternatives_on+X),yap_flag(prompt_alternatives_on,X)).
|
|
|
|
'$user_flags'(error).
|
|
|
|
yap_flag(user_flags,OUT) :-
|
|
var(OUT), !,
|
|
'$user_flags'(OUT).
|
|
yap_flag(user_flags,silent) :- !,
|
|
'$purge_clauses'('$user_flags'(_),prolog),
|
|
'$compile'('$user_flags'(silent),0,'$user_flags'(silent),prolog).
|
|
yap_flag(user_flags,warning) :- !,
|
|
'$purge_clauses'('$user_flags'(_),prolog),
|
|
'$compile'('$user_flags'(warning),0,'$user_flags'(warning),prolog).
|
|
yap_flag(user_flags,error) :- !,
|
|
'$purge_clauses'('$user_flags'(_),prolog),
|
|
'$compile'('$user_flags'(error),0,'$user_flags'(error),prolog).
|
|
yap_flag(user_flags,X) :-
|
|
'$do_error'(domain_error(flag_value,user_flags+X),yap_flag(user_flags,X)).
|
|
|
|
yap_flag(stack_dump_on_error,OUT) :-
|
|
var(OUT), !,
|
|
'$access_yap_flags'(17,X),
|
|
'$transl_to_on_off'(X,OUT).
|
|
yap_flag(stack_dump_on_error,on) :- !,
|
|
'$transl_to_on_off'(X,on),
|
|
'$set_yap_flags'(17,X).
|
|
yap_flag(stack_dump_on_error,off) :- !,
|
|
'$transl_to_on_off'(X,off),
|
|
'$set_yap_flags'(17,X).
|
|
yap_flag(stack_dump_on_error,X) :-
|
|
'$do_error'(domain_error(flag_value,stack_dump_on_error+X),yap_flag(stack_dump_on_error,X)).
|
|
|
|
yap_flag(user_input,OUT) :-
|
|
var(OUT), !,
|
|
stream_property(OUT,alias(user_input)).
|
|
yap_flag(user_input,Stream) :-
|
|
set_stream(Stream, alias(user_input)).
|
|
|
|
yap_flag(user_output,OUT) :-
|
|
var(OUT), !,
|
|
stream_property(OUT,alias(user_output)).
|
|
yap_flag(user_output,Stream) :-
|
|
set_stream(Stream, alias(user_output)).
|
|
|
|
yap_flag(user_error,OUT) :-
|
|
var(OUT), !,
|
|
stream_property(OUT,alias(user_error)).
|
|
yap_flag(user_error,Stream) :-
|
|
set_stream(Stream, alias(user_error)).
|
|
|
|
yap_flag(debugger_print_options,OUT) :-
|
|
var(OUT),
|
|
recorded('$print_options','$debugger'(OUT),_), !.
|
|
yap_flag(debugger_print_options,Opts) :-
|
|
recorda('$print_options','$debugger'(Opts),_).
|
|
|
|
:- recorda('$print_options','$debugger'([quoted(true),numbervars(true),portrayed(true),max_depth(10)]),_).
|
|
|
|
yap_flag(toplevel_print_options,OUT) :-
|
|
var(OUT),
|
|
recorded('$print_options','$toplevel'(OUT),_), !.
|
|
yap_flag(toplevel_print_options,Opts) :-
|
|
recorda('$print_options','$toplevel'(Opts),_).
|
|
|
|
:- recorda('$print_options','$toplevel'([quoted(true),numbervars(true),portrayed(true)]),_).
|
|
|
|
yap_flag(host_type,X) :-
|
|
'$host_type'(X).
|
|
|
|
yap_flag(verbose_load,X) :-
|
|
var(X), !,
|
|
( get_value('$lf_verbose',silent) -> X = false ; X = true ).
|
|
yap_flag(verbose_load,true) :- !,
|
|
set_value('$lf_verbose',informational).
|
|
yap_flag(verbose_load,false) :- !,
|
|
set_value('$lf_verbose',silent),
|
|
'$set_yap_flags'(7,1).
|
|
yap_flag(verbose_load,X) :-
|
|
'$do_error'(domain_error(flag_value,verbose_load+X),yap_flag(verbose_load,X)).
|
|
|
|
yap_flag(verbose_auto_load,X) :-
|
|
var(X), !,
|
|
( get_value('$verbose_auto_load',true) -> X = true ; X = false ).
|
|
yap_flag(verbose_auto_load,true) :- !,
|
|
set_value('$verbose_auto_load',true).
|
|
yap_flag(verbose_auto_load,false) :- !,
|
|
set_value('$verbose_auto_load',false),
|
|
'$set_yap_flags'(7,1).
|
|
yap_flag(verbose_auto_load,X) :-
|
|
'$do_error'(domain_error(flag_value,verbose_auto_load+X),yap_flag(verbose_auto_load,X)).
|
|
|
|
yap_flag(float_format,X) :-
|
|
var(X), !,
|
|
'$float_format'(X).
|
|
yap_flag(float_format,X) :-
|
|
atom(X), !,
|
|
'$float_format'(X).
|
|
yap_flag(float_format,X) :-
|
|
'$do_error'(type_error(atom,X),yap_flag(float_format,X)).
|
|
|
|
yap_flag(max_workers,X) :-
|
|
var(X), !,
|
|
'$max_workers'(X).
|
|
yap_flag(max_workers,X) :-
|
|
integer(X), X > 0, !,
|
|
'$do_error'(permission_error(modify,flag,max_workers),yap_flag(max_workers,X)).
|
|
yap_flag(max_workers,X) :-
|
|
'$do_error'(domain_error(flag_value,max_workers+X),yap_flag(max_workers,X)).
|
|
|
|
yap_flag(max_threads,X) :-
|
|
var(X), !,
|
|
'$max_threads'(X).
|
|
yap_flag(max_threads,X) :-
|
|
integer(X), X > 0, !,
|
|
'$do_error'(permission_error(modify,flag,max_threads),yap_flag(max_threads,X)).
|
|
yap_flag(max_threads,X) :-
|
|
'$do_error'(domain_error(flag_value,max_threads+X),yap_flag(max_threads,X)).
|
|
|
|
'$yap_system_flag'(agc_margin).
|
|
'$yap_system_flag'(answer_format).
|
|
'$yap_system_flag'(argv).
|
|
'$yap_system_flag'(autoload).
|
|
'$yap_system_flag'(char_conversion).
|
|
'$yap_system_flag'(character_escapes).
|
|
'$yap_system_flag'(chr_toplevel_show_store).
|
|
'$yap_system_flag'(debug).
|
|
'$yap_system_flag'(debug_on_error ).
|
|
'$yap_system_flag'(debugger_print_options).
|
|
'$yap_system_flag'(discontiguous_warnings).
|
|
'$yap_system_flag'(dollar_as_lower_case).
|
|
'$yap_system_flag'(double_quotes).
|
|
% V = fast ;
|
|
% '$yap_system_flag'(file_name_variables).
|
|
% '$yap_system_flag'(fileerrors ).
|
|
'$yap_system_flag'(float_format).
|
|
% V = float_mantissa_digits ;
|
|
% V = float_epsilon ;
|
|
% V = float_min_exponent ;
|
|
% V = float_max_exponent ;
|
|
'$yap_system_flag'(gc ).
|
|
'$yap_system_flag'(gc_margin ).
|
|
'$yap_system_flag'(gc_trace ).
|
|
'$yap_system_flag'(generate_debug_info ).
|
|
% V = hide ;
|
|
'$yap_system_flag'(host_type ).
|
|
'$yap_system_flag'(index).
|
|
'$yap_system_flag'(index_sub_term_search_depth).
|
|
'$yap_system_flag'(tabling_mode).
|
|
'$yap_system_flag'(informational_messages).
|
|
'$yap_system_flag'(integer_rounding_function).
|
|
'$yap_system_flag'(language).
|
|
'$yap_system_flag'(max_workers).
|
|
'$yap_system_flag'(max_threads).
|
|
'$yap_system_flag'(n_of_integer_keys_in_db).
|
|
'$yap_system_flag'(open_expands_filename).
|
|
'$yap_system_flag'(open_shared_object).
|
|
% '$yap_system_flag'(optimise).
|
|
'$yap_system_flag'(profiling).
|
|
'$yap_system_flag'(prompt_alternatives_on).
|
|
% '$yap_system_flag'(readline).
|
|
'$yap_system_flag'(redefine_warnings).
|
|
'$yap_system_flag'(shared_object_search_path).
|
|
'$yap_system_flag'(shared_object_extension).
|
|
'$yap_system_flag'(single_var_warnings).
|
|
'$yap_system_flag'(stack_dump_on_error).
|
|
'$yap_system_flag'(strict_iso).
|
|
'$yap_system_flag'(syntax_errors).
|
|
'$yap_system_flag'(system_options).
|
|
% '$yap_system_flag'(timezone).
|
|
'$yap_system_flag'(to_chars_mode).
|
|
'$yap_system_flag'(toplevel_hook).
|
|
'$yap_system_flag'(toplevel_print_options).
|
|
'$yap_system_flag'(typein_module).
|
|
'$yap_system_flag'(unknown).
|
|
'$yap_system_flag'(update_semantics).
|
|
'$yap_system_flag'(user_error).
|
|
'$yap_system_flag'(user_flags).
|
|
'$yap_system_flag'(user_input).
|
|
'$yap_system_flag'(user_output).
|
|
'$yap_system_flag'(variable_names_may_end_with_quotes).
|
|
'$yap_system_flag'(verbose).
|
|
'$yap_system_flag'(verbose_load).
|
|
'$yap_system_flag'(verbose_auto_load).
|
|
'$yap_system_flag'(version).
|
|
'$yap_system_flag'(write_strings).
|
|
|
|
'$show_yap_flag_opts'(V,Out) :-
|
|
'$yap_system_flag'(V),
|
|
yap_flag(V, Out).
|
|
|
|
'$trans_to_lang_flag'(0,cprolog).
|
|
'$trans_to_lang_flag'(1,iso).
|
|
'$trans_to_lang_flag'(2,sicstus).
|
|
|
|
'$adjust_language'(cprolog) :-
|
|
% '$switch_log_upd'(0),
|
|
'$syntax_check_mode'(_,off),
|
|
'$syntax_check_single_var'(_,off),
|
|
'$syntax_check_discontiguous'(_,off),
|
|
'$syntax_check_multiple'(_,off),
|
|
'$set_yap_flags'(12,0), % disable character escapes.
|
|
'$set_yap_flags'(14,1),
|
|
'$set_fpu_exceptions',
|
|
unknown(_,fail).
|
|
'$adjust_language'(sicstus) :-
|
|
'$switch_log_upd'(1),
|
|
leash(full),
|
|
'$syntax_check_mode'(_,on),
|
|
'$syntax_check_single_var'(_,on),
|
|
'$syntax_check_discontiguous'(_,on),
|
|
'$syntax_check_multiple'(_,on),
|
|
'$transl_to_on_off'(X1,on),
|
|
'$set_yap_flags'(5,X1),
|
|
'$force_char_conversion',
|
|
'$set_yap_flags'(14,0),
|
|
% CHARACTER_ESCAPE
|
|
'$set_yap_flags'(12,1),
|
|
'$set_fpu_exceptions',
|
|
'$swi_set_prolog_flag'(fileerrors, true),
|
|
unknown(_,error).
|
|
'$adjust_language'(iso) :-
|
|
'$switch_log_upd'(1),
|
|
'$syntax_check_mode'(_,on),
|
|
'$syntax_check_single_var'(_,on),
|
|
'$syntax_check_discontiguous'(_,on),
|
|
'$syntax_check_multiple'(_,on),
|
|
% YAP_TO_CHARS
|
|
'$set_yap_flags'(7,1),
|
|
fileerrors,
|
|
'$transl_to_on_off'(X1,on),
|
|
% CHAR_CONVERSION
|
|
'$set_yap_flags'(5,X1),
|
|
'$force_char_conversion',
|
|
% ALLOW_ASSERTING_STATIC
|
|
'$set_yap_flags'(14,0),
|
|
% CHARACTER_ESCAPE
|
|
'$set_yap_flags'(12,1),
|
|
'$set_fpu_exceptions',
|
|
unknown(_,error).
|
|
|
|
'$transl_to_character_escape_modes'(0,off) :- !.
|
|
'$transl_to_character_escape_modes'(0,cprolog).
|
|
'$transl_to_character_escape_modes'(2,on) :- !.
|
|
'$transl_to_character_escape_modes'(1,iso).
|
|
'$transl_to_character_escape_modes'(2,sicstus).
|
|
|
|
'$convert_upd_sem'(0,immediate).
|
|
'$convert_upd_sem'(1,logical).
|
|
'$convert_upd_sem'(2,logical_assert).
|
|
|
|
'$transl_to_true_false'(0,false).
|
|
'$transl_to_true_false'(1,true).
|
|
|
|
'$transl_to_on_off'(0,off).
|
|
'$transl_to_on_off'(1,on).
|
|
|
|
'$transl_to_arity'(X1,X) :- X1 < 0, !, X = unbounded.
|
|
'$transl_to_arity'(X,X).
|
|
|
|
'$transl_to_rounding_function'(0,toward_zero).
|
|
'$transl_to_rounding_function'(1,down).
|
|
|
|
'$yap_flag_show_gc_tracing'(true, _, _, on) :- !.
|
|
'$yap_flag_show_gc_tracing'(_, true, _, verbose) :- !.
|
|
'$yap_flag_show_gc_tracing'(_, _, on, very_verbose) :- !.
|
|
'$yap_flag_show_gc_tracing'(_, _, _, off).
|
|
|
|
'$flag_check_alias'(OUT, Alias) :-
|
|
stream_property(OUT,alias(Alias)), !.
|
|
|
|
current_prolog_flag(V,Out) :-
|
|
var(V), !,
|
|
'$show_yap_flag_opts'(V,NOut),
|
|
NOut = Out.
|
|
current_prolog_flag(V,Out) :-
|
|
atom(V), !,
|
|
yap_flag(V,NOut),
|
|
NOut = Out.
|
|
current_prolog_flag(V,Out) :-
|
|
'$do_error'(type_error(atom,V),current_prolog_flag(V,Out)).
|
|
|
|
set_prolog_flag(F,V) :-
|
|
var(F), !,
|
|
'$do_error'(instantiation_error,set_prolog_flag(F,V)).
|
|
set_prolog_flag(F,V) :-
|
|
var(V), !,
|
|
'$do_error'(instantiation_error,set_prolog_flag(F,V)).
|
|
set_prolog_flag(F,V) :-
|
|
\+ atom(F), !,
|
|
'$do_error'(type_error(atom,F),set_prolog_flag(F,V)).
|
|
set_prolog_flag(F, Val) :-
|
|
'$swi_current_prolog_flag'(F, _),
|
|
'$swi_set_prolog_flag'(F, Val).
|
|
set_prolog_flag(F,V) :-
|
|
'$yap_system_flag'(F), !,
|
|
yap_flag(F,V).
|
|
set_prolog_flag(F,V) :-
|
|
'$user_flags'(UFlag),
|
|
(
|
|
UFlag = silent ->
|
|
create_prolog_flag(F, V, [])
|
|
;
|
|
UFlag = warning ->
|
|
print_message(warning,existence_error(prolog_flag, F)),
|
|
create_prolog_flag(F, V, [])
|
|
;
|
|
UFlag = error ->
|
|
'$do_error'(existence_error(prolog_flag, F),set_prolog_flag(F,V))
|
|
).
|
|
|
|
prolog_flag(F, Old, New) :-
|
|
var(F), !,
|
|
'$do_error'(instantiation_error,prolog_flag(F,Old,New)).
|
|
prolog_flag(F, Old, New) :-
|
|
current_prolog_flag(F, Old),
|
|
set_prolog_flag(F, New).
|
|
|
|
prolog_flag(F, Old) :-
|
|
current_prolog_flag(F, Old).
|
|
|
|
% if source_mode is on, then the source for the predicates
|
|
% is stored with the code
|
|
source_mode(Old,New) :-
|
|
'$access_yap_flags'(11,X),
|
|
'$transl_to_on_off'(X,Old),
|
|
'$transl_to_on_off'(XN,New),
|
|
'$set_yap_flags'(11,XN).
|
|
|
|
source :- '$set_yap_flags'(11,1).
|
|
no_source :- '$set_yap_flags'(11,0).
|
|
|
|
create_prolog_flag(Name, Value, Options) :-
|
|
'$check_flag_name'(Name, create_prolog_flag(Name, Value, Options)),
|
|
'$check_flag_options'(Options, Domain, RW, create_prolog_flag(Name, Value, Options)),
|
|
'$check_flag_value'(Value, Domain, create_prolog_flag(Name, Value, Options)),
|
|
retractall(prolog:'$user_defined_flag'(Name,_,_,_)),
|
|
assert(prolog:'$user_defined_flag'(Name,Domain,RW,Value)).
|
|
|
|
'$check_flag_name'(V, G) :-
|
|
var(V),
|
|
'$do_error'(instantiation_error,G).
|
|
'$check_flag_name'(Name, _) :-
|
|
atom(Name), !.
|
|
'$check_flag_name'(Name, G) :-
|
|
'$do_error'(type_error(atom),G).
|
|
|
|
'$check_flag_options'(O, _, _, G) :-
|
|
var(O),
|
|
'$do_error'(instantiation_error,G).
|
|
'$check_flag_options'([], _, read_write, _) :- !.
|
|
'$check_flag_options'([O1|Os], Domain, RW, G) :- !,
|
|
'$check_flag_optionsl'([O1|Os], Domain, RW, G).
|
|
'$check_flag_options'(O, _, _, G) :-
|
|
'$do_error'(type_error(list),G).
|
|
|
|
|
|
'$check_flag_optionsl'([], _, read_write, G).
|
|
'$check_flag_optionsl'([V|Os], Domain, RW, G) :-
|
|
var(V),
|
|
'$do_error'(instantiation_error,G).
|
|
'$check_flag_optionsl'([type(Type)|Os], Domain, RW, G) :- !,
|
|
'$check_flag_type'(Type, Domain, G),
|
|
'$check_flag_optionsl'(Os, _, RW, G).
|
|
'$check_flag_optionsl'([access(Access)|Os], Domain, RW, G) :- !,
|
|
'$check_flag_access'(Access, RW, G),
|
|
'$check_flag_optionsl'(Os, Domain, _, G).
|
|
'$check_flag_optionsl'(Os, Domain, RW, G) :-
|
|
'$do_error'(domain_error(create_prolog_flag,Os),G).
|
|
|
|
'$check_flag_type'(V, _, G) :-
|
|
var(V),
|
|
'$do_error'(instantiation_error,G).
|
|
'$check_flag_type'(boolean, boolean, _) :- !.
|
|
'$check_flag_type'(integer, integer, _) :- !.
|
|
'$check_flag_type'(float, float, _) :- !.
|
|
'$check_flag_type'(atom, atom, _) :- !.
|
|
'$check_flag_type'(term, term, _) :- !.
|
|
'$check_flag_type'(Atom, _, G) :-
|
|
'$do_error'(domain_error(create_prolog_flag_option(type),Atom),G).
|
|
|
|
'$check_flag_access'(V, _, G) :-
|
|
var(V),
|
|
'$do_error'(instantiation_error,G).
|
|
'$check_flag_access'(read_write, read_write, _) :- !.
|
|
'$check_flag_access'(read_only, read_only, _) :- !.
|
|
'$check_flag_type'(Atom, _, G) :-
|
|
'$do_error'(domain_error(create_prolog_flag_option(access),Atom),G).
|
|
|
|
'$user_flag_value'(F, Val) :-
|
|
var(Val), !,
|
|
'$user_defined_flag'(F,_,_,Val).
|
|
'$user_flag_value'(F, Val) :-
|
|
atomic(Val), !,
|
|
prolog:'$user_defined_flag'(F,Domain,RW,V0),
|
|
(
|
|
Val == V0
|
|
->
|
|
true
|
|
;
|
|
RW = read_only
|
|
->
|
|
'$do_error'(permission_error(modify,flag,F),yap_flag(F,Val))
|
|
;
|
|
'$check_flag_value'(Val, Domain, yap_flag(F,Val)),
|
|
retractall(prolog:'$user_defined_flag'(F,_,_,_)),
|
|
assert(prolog:'$user_defined_flag'(F,Domain,RW,Val))
|
|
).
|
|
'$user_flag_value'(F, Val) :-
|
|
'$do_error'(type_error(atomic,Val),yap_flag(F,Val)).
|
|
|
|
'$check_flag_value'(Value, _, G) :-
|
|
\+ ground(Value), !,
|
|
'$do_error'(instantiation_error,G).
|
|
'$check_flag_value'(Value, Domain, G) :-
|
|
var(Domain), !,
|
|
'$flag_domain_from_value'(Value, Domain).
|
|
'$check_flag_value'(_, term, _) :- !.
|
|
'$check_flag_value'(Value, atom, _) :-
|
|
atom(Value), !.
|
|
'$check_flag_value'(Value, integer, _) :-
|
|
integer(Value), !.
|
|
'$check_flag_value'(Value, float, _) :-
|
|
float(Value), !.
|
|
'$check_flag_value'(true, boolean, _) :- !.
|
|
'$check_flag_value'(false, boolean, _) :- !.
|
|
'$check_flag_value'(Value, Domain, G) :-
|
|
'$do_error'(domain_error(Domain,Value),G).
|
|
|
|
'$flag_domain_from_value'(true, boolean) :- !.
|
|
'$flag_domain_from_value'(false, boolean) :- !.
|
|
'$flag_domain_from_value'(Value, integer) :- integer(Value), !.
|
|
'$flag_domain_from_value'(Value, float) :- float(Value), !.
|
|
'$flag_domain_from_value'(Value, atom) :- atom(Value), !.
|
|
'$flag_domain_from_value'(_, term).
|
|
|
|
|
|
'$ensure_autoload' :-
|
|
load_files([library(autoloader),
|
|
autoloader:library('INDEX'),
|
|
swi:library('dialect/swi/INDEX')],
|
|
[silent(true),if(not_loaded)]).
|
|
|