1086 lines
31 KiB
Prolog
1086 lines
31 KiB
Prolog
/*************************************************************************
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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: directives.yap *
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* Last rev: *
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* mods: *
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* comments: directing system execution *
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* *
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*************************************************************************/
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'$all_directives'(_:G1) :- !,
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'$all_directives'(G1).
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'$all_directives'((G1,G2)) :- !,
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'$all_directives'(G1),
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'$all_directives'(G2).
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'$all_directives'(G) :- !,
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'$directive'(G).
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'$directive'(block(_)).
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'$directive'(char_conversion(_,_)).
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'$directive'(compile(_)).
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'$directive'(consult(_)).
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'$directive'(discontiguous(_)).
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'$directive'(dynamic(_)).
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'$directive'(elif(_)).
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'$directive'(else).
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'$directive'(encoding(_)).
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'$directive'(endif).
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'$directive'(ensure_loaded(_)).
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'$directive'(expects_dialect(_)).
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'$directive'(if(_)).
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'$directive'(include(_)).
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'$directive'(initialization(_)).
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'$directive'(meta_predicate(_)).
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'$directive'(module(_,_)).
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'$directive'(module(_,_,_)).
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'$directive'(module_transparent(_)).
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'$directive'(multifile(_)).
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'$directive'(noprofile(_)).
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'$directive'(parallel).
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'$directive'(public(_)).
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'$directive'(op(_,_,_)).
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'$directive'(set_prolog_flag(_,_)).
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'$directive'(reconsult(_)).
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'$directive'(reexport(_)).
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'$directive'(reexport(_,_)).
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'$directive'(sequential).
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'$directive'(sequential(_)).
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'$directive'(thread_local(_)).
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'$directive'(uncutable(_)).
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'$directive'(use_module(_)).
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'$directive'(use_module(_,_)).
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'$directive'(use_module(_,_,_)).
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'$directive'(wait(_)).
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'$exec_directives'((G1,G2), Mode, M) :- !,
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'$exec_directives'(G1, Mode, M),
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'$exec_directives'(G2, Mode, M).
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'$exec_directives'(G, Mode, M) :-
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'$exec_directive'(G, Mode, M).
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'$exec_directive'(multifile(D), _, M) :-
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'$system_catch'('$multifile'(D, M), M,
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Error,
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user:'$LoopError'(Error, top)).
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'$exec_directive'(discontiguous(D), _, M) :-
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'$discontiguous'(D,M).
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'$exec_directive'(initialization(D), _, M) :-
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'$initialization'(M:D).
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'$exec_directive'(expects_dialect(D), _, _) :-
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'$expects_dialect'(D).
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'$exec_directive'(encoding(Enc), _, _) :-
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'$set_encoding'(Enc).
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'$exec_directive'(parallel, _, _) :-
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'$parallel'.
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'$exec_directive'(sequential, _, _) :-
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'$sequential'.
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'$exec_directive'(sequential(G), _, M) :-
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'$sequential_directive'(G, M).
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'$exec_directive'(parallel(G), _, M) :-
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'$parallel_directive'(G, M).
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'$exec_directive'(include(F), Status, _) :-
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'$include'(F, Status).
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'$exec_directive'(module(N,P), Status, _) :-
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'$module'(Status,N,P).
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'$exec_directive'(module(N,P,Op), Status, _) :-
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'$module'(Status,N,P,Op).
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'$exec_directive'(meta_predicate(P), _, M) :-
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'$meta_predicate'(P, M).
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'$exec_directive'(module_transparent(P), _, M) :-
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'$module_transparent'(P, M).
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'$exec_directive'(noprofile(P), _, M) :-
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'$noprofile'(P, M).
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'$exec_directive'(dynamic(P), _, M) :-
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'$dynamic'(P, M).
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'$exec_directive'(thread_local(P), _, M) :-
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'$thread_local'(P, M).
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'$exec_directive'(op(P,OPSEC,OP), _, _) :-
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op(P,OPSEC,OP).
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'$exec_directive'(set_prolog_flag(F,V), _, _) :-
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set_prolog_flag(F,V).
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'$exec_directive'(ensure_loaded(Fs), _, M) :-
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'$load_files'(M:Fs, [if(changed)], ensure_loaded(Fs)).
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'$exec_directive'(char_conversion(IN,OUT), _, _) :-
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char_conversion(IN,OUT).
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'$exec_directive'(public(P), _, M) :-
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'$public'(P, M).
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'$exec_directive'(compile(Fs), _, M) :-
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'$load_files'(M:Fs, [], compile(Fs)).
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'$exec_directive'(reconsult(Fs), _, M) :-
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'$load_files'(M:Fs, [], reconsult(Fs)).
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'$exec_directive'(consult(Fs), _, M) :-
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'$consult'(Fs, M).
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'$exec_directive'(use_module(F), _, M) :-
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'$load_files'(M:F, [if(not_loaded)],use_module(F)).
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'$exec_directive'(reexport(F), _, M) :-
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'$reexport'(F, all, M).
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'$exec_directive'(reexport(F,Spec), _, M) :-
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'$reexport'(F, Spec, M).
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'$exec_directive'(use_module(F,Is), _, M) :-
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'$load_files'(M:F, [if(not_loaded),imports(Is)],use_module(F,Is)).
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'$exec_directive'(use_module(Mod,F,Is), _, _) :-
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'$use_module'(Mod,F,Is).
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'$exec_directive'(block(BlockSpec), _, _) :-
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'$block'(BlockSpec).
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'$exec_directive'(wait(BlockSpec), _, _) :-
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'$wait'(BlockSpec).
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'$exec_directive'(table(PredSpec), _, M) :-
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'$table'(PredSpec, M).
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'$exec_directive'(uncutable(PredSpec), _, M) :-
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'$uncutable'(PredSpec, M).
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'$exec_directive'(if(Goal), Context, M) :-
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'$if'(M:Goal, Context).
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'$exec_directive'(else, Context, _) :-
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'$else'(Context).
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'$exec_directive'(elif(Goal), Context, M) :-
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'$elif'(M:Goal, Context).
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'$exec_directive'(endif, Context, _) :-
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'$endif'(Context).
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yap_flag(V,Out) :-
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'$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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'$user_flag_value'(V, Out).
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yap_flag(V,Out) :-
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var(V), !,
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'$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(argv,L) :- '$argv'(L).
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% hide/unhide atoms
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yap_flag(hide,Atom) :- !, hide(Atom).
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yap_flag(unhide,Atom) :- !, unhide(Atom).
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% hide/unhide atoms
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yap_flag(encoding,DefaultEncoding) :- var(DefaultEncoding), !,
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'$default_encoding'(DefCode),
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'$valid_encoding'(DefaultEncoding, DefCode).
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yap_flag(encoding,Encoding) :-
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'$valid_encoding'(Encoding, EncCode), !,
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'$default_encoding'(EncCode).
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yap_flag(encoding,Encoding) :-
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'$do_error'(domain_error(io_mode,encoding(Encoding)),yap_flag(encoding,Encoding)).
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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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%
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% SWI compatibility flag
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%
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yap_flag(generate_debug_info,X) :-
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var(X), !,
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'$access_yap_flags'(18,Options),
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(Options =:= 0 -> X = false ; X = true ).
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yap_flag(generate_debug_info,true) :- !,
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'$set_yap_flags'(18,1),
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source.
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yap_flag(generate_debug_info,false) :- !,
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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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%
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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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'$is_call_counted'(X).
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yap_flag(bounded,X) :-
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var(X), !,
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'$access_yap_flags'(0, X1),
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'$transl_to_true_false'(X1,X).
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yap_flag(bounded,X) :- !,
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(X = true ; X = false), !,
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'$do_error'(permission_error(modify,flag,bounded),yap_flag(bounded,X)).
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yap_flag(bounded,X) :-
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'$do_error'(domain_error(flag_value,bounded+X),yap_flag(bounded,X)).
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% do or do not indexation
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yap_flag(index,X) :- var(X),
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'$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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yap_flag(home,X) :-
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'$yap_home'(X).
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% should match definitions in Yap.h
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'$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,[HOption|TOption]) :- !,
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yap_flag(tabling_mode,HOption),
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yap_flag(tabling_mode,TOption).
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yap_flag(tabling_mode,(Option1,Option2)) :- !,
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yap_flag(tabling_mode,Option1),
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yap_flag(tabling_mode,Option2).
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yap_flag(tabling_mode,Option) :-
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'$transl_to_tabling_mode'(Flag,Option),
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'$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_tabling_mode'(0,default).
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'$transl_to_tabling_mode'(1,batched).
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'$transl_to_tabling_mode'(2,local).
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'$transl_to_tabling_mode'(3,exec_answers).
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'$transl_to_tabling_mode'(4,load_answers).
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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(max_arity,X) :-
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var(X), !,
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'$access_yap_flags'(1, X1),
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'$transl_to_arity'(X1,X).
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yap_flag(max_arity,X) :-
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integer(X), X > 0, !,
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'$do_error'(permission_error(modify,flag,max_arity),yap_flag(max_arity,X)).
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yap_flag(max_arity,X) :-
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'$do_error'(domain_error(flag_value,max_arity+X),yap_flag(max_arity,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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yap_flag(version_data,X) :-
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var(X), !,
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'$get_version_codes'(Major,Minor,Patch),
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X = yap(Major, Minor, Patch, _).
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yap_flag(version_data,X) :-
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'$do_error'(permission_error(modify,flag,version),yap_flag(version_data,X)).
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'$get_version_codes'(Major,Minor,Patch) :-
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get_value('$version_name',X),
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atom_codes(X,[0'Y,0'a,0'p,0'-|VersionTag]), %'
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'$fetch_num_code'(VersionTag,0,Major,L1),
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'$fetch_num_code'(L1,0,Minor,L2),
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'$fetch_num_code'(L2,0,Patch,[]).
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'$fetch_num_code'([],Code,Code,[]).
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'$fetch_num_code'([C|Cs],Code0,CodeF,L) :-
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C >= 0'0, C =< 0'9, !,
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CodeI is Code0*10+(C-0'0), %'
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'$fetch_num_code'(Cs,CodeI,CodeF,L).
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'$fetch_num_code'([_|Cs],Code,Code,Cs).
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yap_flag(max_integer,X) :-
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var(X), !,
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'$access_yap_flags'(0, 1),
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'$access_yap_flags'(3, X).
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yap_flag(max_integer,X) :-
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integer(X), X > 0, !,
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'$do_error'(permission_error(modify,flag,max_integer),yap_flag(max_integer,X)).
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yap_flag(max_integer,X) :-
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'$do_error'(domain_error(flag_value,max_integer+X),yap_flag(max_integer,X)).
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yap_flag(max_tagged_integer,X) :-
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'$max_tagged_integer'(X), !.
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yap_flag(max_tagged_integer,X) :-
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integer(X), X > 0, !,
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'$do_error'(permission_error(modify,flag,max_tagged_integer),yap_flag(max_tagged_integer,X)).
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yap_flag(max_tagged_integer,X) :-
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'$do_error'(domain_error(flag_value,max_tagged_integer+X),yap_flag(max_tagged_integer,X)).
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yap_flag(min_integer,X) :-
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var(X), !,
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'$access_yap_flags'(0, 1),
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'$access_yap_flags'(4, X).
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yap_flag(min_integer,X) :-
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integer(X), X < 0, !,
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'$do_error'(permission_error(modify,flag,min_integer),yap_flag(min_integer,X)).
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yap_flag(min_integer,X) :-
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'$do_error'(domain_error(flag_value,min_integer+X),yap_flag(min_integer,X)).
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yap_flag(min_tagged_integer,X) :-
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'$min_tagged_integer'( X), !.
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yap_flag(min_tagged_integer,X) :-
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integer(X), X > 0, !,
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'$do_error'(permission_error(modify,flag,min_tagged_integer),yap_flag(min_tagged_integer,X)).
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yap_flag(min_tagged_integer,X) :-
|
|
'$do_error'(domain_error(flag_value,min_tagged_integer+X),yap_flag(min_tagged_integer,X)).
|
|
|
|
/* ISO Core Revision DTR: new float flags
|
|
|
|
yap_flag(float_mantissa_digits,X) :-
|
|
var(X), !,
|
|
?????
|
|
yap_flag(float_mantissa_digits,X) :-
|
|
integer(X), X > 0, !,
|
|
'$do_error'(permission_error(modify,flag,float_mantissa_digits),yap_flag(float_mantissa_digits,X)).
|
|
yap_flag(float_mantissa_digits,X) :-
|
|
'$do_error'(domain_error(flag_value,float_mantissa_digits+X),yap_flag(float_mantissa_digits,X)).
|
|
|
|
yap_flag(float_epsilon,X) :-
|
|
var(X), !,
|
|
?????
|
|
yap_flag(float_epsilon,X) :-
|
|
float(X), X > 0, !,
|
|
'$do_error'(permission_error(modify,flag,float_epsilon),yap_flag(float_epsilon,X)).
|
|
yap_flag(float_epsilon,X) :-
|
|
'$do_error'(domain_error(flag_value,float_epsilon+X),yap_flag(float_epsilon,X)).
|
|
|
|
yap_flag(float_min_exponent,X) :-
|
|
var(X), !,
|
|
?????
|
|
yap_flag(float_min_exponent,X) :-
|
|
integer(X), X > 0, !,
|
|
'$do_error'(permission_error(modify,flag,float_min_exponent),yap_flag(float_min_exponent,X)).
|
|
yap_flag(float_epsilon,X) :-
|
|
'$do_error'(domain_error(flag_value,float_min_exponent+X),yap_flag(float_min_exponent,X)).
|
|
|
|
yap_flag(float_max_exponent,X) :-
|
|
var(X), !,
|
|
?????
|
|
yap_flag(float_max_exponent,X) :-
|
|
integer(X), X > 0, !,
|
|
'$do_error'(permission_error(modify,flag,float_max_exponent),yap_flag(float_max_exponent,X)).
|
|
yap_flag(float_max_exponent,X) :-
|
|
'$do_error'(domain_error(flag_value,float_max_exponent+X),yap_flag(float_max_exponent,X)).
|
|
*/
|
|
|
|
yap_flag(char_conversion,X) :-
|
|
var(X), !,
|
|
'$access_yap_flags'(5, X1),
|
|
'$transl_to_on_off'(X1,X).
|
|
yap_flag(char_conversion,X) :-
|
|
'$transl_to_on_off'(X1,X), !,
|
|
'$set_yap_flags'(5,X1),
|
|
( X1 = 1 ->
|
|
'$force_char_conversion'
|
|
;
|
|
'$disable_char_conversion'
|
|
).
|
|
yap_flag(char_conversion,X) :-
|
|
'$do_error'(domain_error(flag_value,char_conversion+X),yap_flag(char_conversion,X)).
|
|
|
|
yap_flag(double_quotes,X) :-
|
|
var(X), !,
|
|
'$access_yap_flags'(6, X1),
|
|
'$transl_to_trl_types'(X1,X).
|
|
yap_flag(double_quotes,X) :-
|
|
'$transl_to_trl_types'(X1,X), !,
|
|
'$set_yap_flags'(6,X1).
|
|
yap_flag(double_quotes,X) :-
|
|
'$do_error'(domain_error(flag_value,double_quotes+X),yap_flag(double_quotes,X)).
|
|
|
|
yap_flag(n_of_integer_keys_in_db,X) :-
|
|
var(X), !,
|
|
'$resize_int_keys'(X).
|
|
yap_flag(n_of_integer_keys_in_db,X) :- integer(X), X > 0, !,
|
|
'$resize_int_keys'(X).
|
|
yap_flag(n_of_integer_keys_in_db,X) :-
|
|
'$do_error'(domain_error(flag_value,n_of_integer_keys_in_db+X),yap_flag(n_of_integer_keys_in_db,X)).
|
|
|
|
yap_flag(n_of_integer_keys_in_bb,X) :-
|
|
var(X), !,
|
|
'$resize_bb_int_keys'(X).
|
|
yap_flag(n_of_integer_keys_in_bb,X) :- integer(X), X > 0, !,
|
|
'$resize_bb_int_keys'(X).
|
|
yap_flag(n_of_integer_keys_in_bb,X) :-
|
|
'$do_error'(domain_error(flag_value,n_of_integer_keys_in_bb+X),yap_flag(n_of_integer_keys_in_bb,X)).
|
|
|
|
yap_flag(profiling,X) :- (var(X); X = on; X = off), !,
|
|
'$is_profiled'(X).
|
|
|
|
yap_flag(strict_iso,OUT) :-
|
|
var(OUT), !,
|
|
'$access_yap_flags'(9,X),
|
|
'$transl_to_on_off'(X,OUT).
|
|
yap_flag(strict_iso,on) :- !,
|
|
yap_flag(language,iso),
|
|
'$transl_to_on_off'(X,on),
|
|
'$set_yap_flags'(9,X).
|
|
yap_flag(strict_iso,off) :- !,
|
|
'$transl_to_on_off'(X,off),
|
|
'$set_yap_flags'(9,X).
|
|
yap_flag(strict_iso,X) :-
|
|
'$do_error'(domain_error(flag_value,strict_iso+X),yap_flag(strict_iso,X)).
|
|
|
|
yap_flag(variable_names_may_end_with_quotes,OUT) :-
|
|
var(OUT), !,
|
|
'$access_yap_flags'(21,X),
|
|
'$transl_to_on_off'(X,OUT).
|
|
yap_flag(variable_names_may_end_with_quotes,on) :- !,
|
|
'$transl_to_on_off'(X,on),
|
|
'$set_yap_flags'(21,X).
|
|
yap_flag(variable_names_may_end_with_quotes,off) :- !,
|
|
'$transl_to_on_off'(X,off),
|
|
'$set_yap_flags'(21,X).
|
|
yap_flag(variable_names_may_end_with_quotes,X) :-
|
|
'$do_error'(domain_error(flag_value,strict_iso+X),yap_flag(strict_iso,X)).
|
|
|
|
yap_flag(language,X) :-
|
|
var(X), !,
|
|
'$access_yap_flags'(8, X1),
|
|
'$trans_to_lang_flag'(X1,X).
|
|
yap_flag(language,X) :-
|
|
'$trans_to_lang_flag'(N,X), !,
|
|
'$set_yap_flags'(8,N),
|
|
'$adjust_language'(X).
|
|
yap_flag(language,X) :-
|
|
'$do_error'(domain_error(flag_value,language+X),yap_flag(language,X)).
|
|
|
|
yap_flag(debug,X) :-
|
|
var(X), !,
|
|
('$debug_on'(true)
|
|
->
|
|
X = on
|
|
;
|
|
X = true
|
|
).
|
|
yap_flag(debug,X) :-
|
|
'$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_mode'(on,_), '$syntax_check_discontiguous'(on,_) ->
|
|
X = on
|
|
;
|
|
X = off
|
|
).
|
|
yap_flag(discontiguous_warnings,X) :-
|
|
'$transl_to_on_off'(_,X), !,
|
|
(X = on ->
|
|
'$syntax_check_mode'(_,on),
|
|
'$syntax_check_discontiguous'(_,on)
|
|
;
|
|
'$syntax_check_discontiguous'(_,off)).
|
|
yap_flag(discontiguous_warnings,X) :-
|
|
'$do_error'(domain_error(flag_value,discontiguous_warnings+X),yap_flag(discontiguous_warnings,X)).
|
|
|
|
yap_flag(redefine_warnings,X) :-
|
|
var(X), !,
|
|
('$syntax_check_mode'(on,_), '$syntax_check_multiple'(on,_) ->
|
|
X = on
|
|
;
|
|
X = off
|
|
).
|
|
yap_flag(redefine_warnings,X) :-
|
|
'$transl_to_on_off'(_,X), !,
|
|
(X = on ->
|
|
'$syntax_check_mode'(_,on),
|
|
'$syntax_check_multiple'(_,on)
|
|
;
|
|
'$syntax_check_multiple'(_,off)).
|
|
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).
|
|
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), !,
|
|
('$syntax_check_mode'(on,_), '$syntax_check_single_var'(on,_) ->
|
|
X = on
|
|
;
|
|
X = off
|
|
).
|
|
yap_flag(single_var_warnings,X) :-
|
|
'$transl_to_on_off'(_,X), !,
|
|
(X = on ->
|
|
'$syntax_check_mode'(_,on),
|
|
'$syntax_check_single_var'(_,on)
|
|
;
|
|
'$syntax_check_single_var'(_,off)).
|
|
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'('$yapor_on', prolog).
|
|
'$system_options'(rational_trees) :-
|
|
'$yap_has_rational_trees'.
|
|
'$system_options'(readline) :-
|
|
'$has_readline'.
|
|
'$system_options'(tabling) :-
|
|
\+ '$undefined'('$c_table'(_,_), prolog).
|
|
'$system_options'(threads) :-
|
|
\+ '$no_threads'.
|
|
'$system_options'(wam_profiler) :-
|
|
\+ '$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) :-
|
|
'$do_error'(domain_error(flag_value,update_semantics+X),yap_flag(update_semantics,X)).
|
|
|
|
yap_flag(toplevel_hook,X) :-
|
|
var(X), !,
|
|
( recorded('$toplevel_hooks',G,_) -> G ; true ).
|
|
yap_flag(toplevel_hook,G) :- !,
|
|
'$set_toplevel_hook'(G).
|
|
|
|
yap_flag(unix,true) :-
|
|
'$unix', !.
|
|
yap_flag(unix,false).
|
|
|
|
yap_flag(windows,true) :-
|
|
'$win32', !.
|
|
yap_flag(windows,false).
|
|
|
|
yap_flag(shared_object_search_path,P) :-
|
|
'$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(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) :-
|
|
'$do_error'(domain_error(flag_value,stack_dump_on_error+X),yap_flag(stack_dump_on_error,X)).
|
|
|
|
yap_flag(user_input,OUT) :-
|
|
var(OUT), !,
|
|
'$flag_check_alias'(OUT, user_input).
|
|
|
|
yap_flag(user_input,Stream) :-
|
|
'$change_alias_to_stream'(user_input,Stream).
|
|
|
|
yap_flag(user_output,OUT) :-
|
|
var(OUT), !,
|
|
'$flag_check_alias'(OUT, user_output).
|
|
yap_flag(user_output,Stream) :-
|
|
'$change_alias_to_stream'(user_output,Stream).
|
|
|
|
|
|
yap_flag(user_error,OUT) :-
|
|
var(OUT), !,
|
|
'$flag_check_alias'(OUT, user_error).
|
|
yap_flag(user_error,Stream) :-
|
|
'$change_alias_to_stream'(user_error,Stream).
|
|
|
|
yap_flag(debugger_print_options,OUT) :-
|
|
var(OUT),
|
|
recorded('$print_options','$debugger'(OUT),_), !.
|
|
yap_flag(debugger_print_options,Opts) :- !,
|
|
'$check_io_opts'(Opts, 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) :- !,
|
|
'$check_io_opts'(Opts, yap_flag(toplevel_print_options,Opts)),
|
|
recorda('$print_options','$toplevel'(Opts),_).
|
|
|
|
yap_flag(fileerrors,OUT) :-
|
|
var(OUT), !,
|
|
get_value(fileerrors,X0),
|
|
(X0 = [] -> X= 0 ; X = X0),
|
|
'$transl_to_on_off'(X,OUT).
|
|
yap_flag(fileerrors,on) :- !,
|
|
set_value(fileerrors,1).
|
|
yap_flag(fileerrors,off) :- !,
|
|
set_value(fileerrors,0).
|
|
yap_flag(fileerrors,X) :-
|
|
'$do_error'(domain_error(flag_value,fileerrors+X),yap_flag(fileerrors,X)).
|
|
|
|
:- recorda('$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) :-
|
|
'$do_error'(domain_error(flag_value,verbose_auto_load+X),yap_flag(verbose_auto_load,X)).
|
|
|
|
yap_flag(verbose_auto_load,X) :-
|
|
var(X), !,
|
|
( get_value('$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) :-
|
|
'$do_error'(domain_error(flag_value,max_threads+X),yap_flag(max_threads,X)).
|
|
|
|
yap_flag(dialect,yap).
|
|
|
|
'$show_yap_flag_opts'(V,Out) :-
|
|
(
|
|
V = answer_format ;
|
|
V = argv ;
|
|
V = bounded ;
|
|
V = char_conversion ;
|
|
V = character_escapes ;
|
|
V = chr_toplevel_show_store ;
|
|
V = debug ;
|
|
V = debugger_print_options ;
|
|
V = dialect ;
|
|
V = discontiguous_warnings ;
|
|
V = dollar_as_lower_case ;
|
|
V = double_quotes ;
|
|
V = encoding ;
|
|
% V = fast ;
|
|
V = fileerrors ;
|
|
V = float_format ;
|
|
% V = float_mantissa_digits ;
|
|
% V = float_epsilon ;
|
|
% V = float_min_exponent ;
|
|
% V = float_max_exponent ;
|
|
V = gc ;
|
|
V = gc_margin ;
|
|
V = gc_trace ;
|
|
V = generate_debug_info ;
|
|
% V = hide ;
|
|
V = home ;
|
|
V = host_type ;
|
|
V = index ;
|
|
V = tabling_mode ;
|
|
V = informational_messages ;
|
|
V = integer_rounding_function ;
|
|
V = language ;
|
|
V = max_arity ;
|
|
V = max_integer ;
|
|
V = max_tagged_integer ;
|
|
V = max_workers ;
|
|
V = max_threads ;
|
|
V = min_integer ;
|
|
V = min_tagged_integer ;
|
|
V = n_of_integer_keys_in_db ;
|
|
V = open_expands_filename ;
|
|
V = profiling ;
|
|
V = redefine_warnings ;
|
|
V = shared_object_search_path ;
|
|
V = single_var_warnings ;
|
|
V = stack_dump_on_error ;
|
|
V = strict_iso ;
|
|
V = syntax_errors ;
|
|
V = system_options ;
|
|
V = to_chars_mode ;
|
|
V = toplevel_hook ;
|
|
V = toplevel_print_options ;
|
|
V = typein_module ;
|
|
V = unix ;
|
|
V = unknown ;
|
|
V = update_semantics ;
|
|
V = user_error ;
|
|
V = user_input ;
|
|
V = user_output ;
|
|
V = variable_names_may_end_with_quotes ;
|
|
V = verbose ;
|
|
V = verbose_auto_load ;
|
|
V = version ;
|
|
V = version_data ;
|
|
V = windows ;
|
|
V = write_strings
|
|
),
|
|
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',
|
|
fileerrors,
|
|
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,down).
|
|
'$transl_to_rounding_function'(1,toward_zero).
|
|
|
|
'$transl_to_trl_types'(0,chars).
|
|
'$transl_to_trl_types'(1,codes).
|
|
'$transl_to_trl_types'(2,atom).
|
|
|
|
'$yap_flag_show_gc_tracing'(true, _, _, on) :- !.
|
|
'$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,V) :-
|
|
yap_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 :- '$set_yap_flags'(11,0).
|
|
|
|
%
|
|
% allow users to define their own directives.
|
|
%
|
|
user_defined_directive(Dir,_) :-
|
|
'$directive'(Dir), !.
|
|
user_defined_directive(Dir,Action) :-
|
|
functor(Dir,Na,Ar),
|
|
functor(NDir,Na,Ar),
|
|
'$current_module'(M, prolog),
|
|
assert_static('$directive'(NDir)),
|
|
assert_static(('$exec_directive'(Dir, _, _) :- Action)),
|
|
'$current_module'(_, M).
|
|
|
|
%
|
|
% allow users to define their own flags.
|
|
%
|
|
user_defined_flag(Atom) :- var(Atom), !,
|
|
'$do_error'(instantiation_error,user_defined_flag(Atom)).
|
|
user_defined_flag(Atom) :-
|
|
'$user_defined_flag'(Atom,_), !.
|
|
user_defined_flag(Atom) :-
|
|
yap_flag(Atom, _), !,
|
|
'$do_error'(domain_error(user_defined_prolog_flag,Atom),user_defined_flag(Atom)).
|
|
user_defined_flag(Atom) :-
|
|
assert(prolog:'$user_defined_flag'(Atom,[])).
|
|
|
|
'$enumerate_user_flag'(V, Out) :-
|
|
'$user_defined_flag'(V, Out).
|
|
|
|
'$user_flag_value'(F, Val) :-
|
|
var(Val), !,
|
|
'$user_defined_flag'(F,Val).
|
|
'$user_flag_value'(F, Val) :-
|
|
atomic(Val), !,
|
|
retractall(prolog:'$user_defined_flag'(F,_)),
|
|
assert(prolog:'$user_defined_flag'(Atom,Val)).
|
|
'$user_flag_value'(F, Val) :-
|
|
'$do_error'(type_error(atomic,Val),yap_flag(F,Val)).
|
|
|
|
|
|
'$expects_dialect'(swi) :-
|
|
load_files(library('dialect/swi'),[silent(true),if(not_loaded)]).
|
|
'$expects_dialect'(yap).
|
|
|