168 lines
2.9 KiB
Prolog
168 lines
2.9 KiB
Prolog
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%% @file yapi.yap
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%% @brief support yap shell
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%%
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:- module(yapi, [
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python_ouput/0,
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show_answer/2,
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show_answer/3,
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yap_query/4,
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python_query/2,
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python_query/3,
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python_import/1,
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yapi_query/2
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]).
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%:- yap_flag(verbose, silent).
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:- reexport(library(python)).
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:- use_module( library(lists) ).
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:- use_module( library(maplist) ).
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:- use_module( library(rbtrees) ).
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:- use_module( library(terms) ).
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:- python_import(yap4py.yapi).
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:- python_import(json).
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%:- python_import(gc).
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:- meta_predicate yapi_query(:,+), python_query(+,:), python_query(+,:,-) .
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%:- start_low_level_trace.
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%% @pred yapi_query( + VarList, - Dictionary)
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%%
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%% dictionary, Examples
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%%
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%%
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yapi_query( VarNames, Caller ) :-
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show_answer(VarNames, Dict),
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Caller.bindings := Dict.
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%:- initialization set_preds.
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set_preds :-
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fail,
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current_predicate(P, Q),
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functor(Q,P,A),
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atom_string(P,S),
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catch(
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:= yap4py.yapi.named( S, A),
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_,
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fail),
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fail.
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set_preds :-
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fail,
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system_predicate(P/A),
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atom_string(P,S),
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catch(
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:= yap4py.yapi.named( S, A),
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_,
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fail),
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fail.
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set_preds.
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argi(N,I,I1) :-
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atomic_concat('A',I,N),
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I1 is I+1.
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python_query( Caller, String ) :-
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python_query( Caller, String, _Bindings).
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python_query( Caller, String, Bindings ) :-
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atomic_to_term( String, Goal, VarNames ),
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query_to_answer( user:Goal, VarNames, Status, Bindings),
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Caller.q.port := Status,
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output(Caller, Bindings).
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%% output( _, Bindings ) :-
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%% write_query_answer( Bindings ),
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%% fail.
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output( Caller, Bindings) :-
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copy_term( Bindings, Bs),
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simplify(Bs, 1, Bss),
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numbervars(Bss, 0, _),
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maplist(into_dict(Caller),Bss).
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simplify([],_,[]).
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simplify([X=V|Xs], [X=V|NXs]) :-
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var(V),
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!,
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X=V,
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simplify(Xs,NXs).
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simplify([X=V|Xs], I, NXs) :-
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var(V),
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!,
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X=V,
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simplify(Xs,I,NXs).
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simplify([X=V|Xs], I, [X=V|NXs]) :-
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!,
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simplify(Xs,I,NXs).
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simplify([G|Xs],I, [D=G|NXs]) :-
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I1 is I+1,
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atomic_concat(['__delay_',I,'__'],D),
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simplify(Xs,I1,NXs).
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bv(V,I,I1) :-
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atomic_concat(['__',I],V),
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I1 is I+1.
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into_dict(D,V0=T) :-
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listify(T,L),
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D.q.answer[V0] := L.
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listify('$VAR'(Bnd), V) :-
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!,
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listify_var(Bnd, V).
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listify([A|As], V) :-
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!,
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maplist(listify,[A|As], V).
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listify(A:As, A:Vs) :-
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(atom(A);string(A)),
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!,
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maplist(listify,As, Vs).
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listify(WellKnown, V) :-
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WellKnown=..[N|As],
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length(As,Sz),
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well_known(N,Sz),
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!,
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maplist(listify,As, Vs),
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V =.. [N|Vs].
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listify('$VAR'(Bnd), V) :-
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!,
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listify_var(Bnd, V).
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listify(T, t(S,V)) :-
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T =.. [S,A|As],
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!,
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maplist(listify, [A|As], Vs),
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V =.. [t|Vs].
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listify(S, S).
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listify_var(I, S) :-
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I >= 0,
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I =< 26,
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!,
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V is 0'A+I,
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string_codes(S, [V]).
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listify_var(I, S) :-
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I < 0,
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I >= -26,
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!,
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V is 0'A+I,
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string_codes(S, [0'_+V]).
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listify_var(S, S).
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well_known(+,2).
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well_known(-,2).
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well_known(*,2).
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well_known(/,2).
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well_known((','),2).
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