120 lines
2.2 KiB
Prolog
120 lines
2.2 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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%:- start_low_level_trace.
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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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:- use_module(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(:,+) ).
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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, Self ) :-
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show_answer(VarNames, Dict),
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Self.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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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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atomic_to_term( String, Goal, VarNames ),
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query_to_answer( Goal, _, Status, VarNames, Bindings),
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Caller.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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answer := {},
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foldl(ground_dict(answer), Bindings, [], Ts),
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term_variables( Ts, Hidden),
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foldl(bv, Hidden , 0, _),
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maplist(into_dict(answer),Ts),
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Caller.answer := json.dumps(answer),
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S := Caller.answer,
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format(user_error, '~nor ~s~n~n',S),
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fail.
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output(_Caller, _Bindings).
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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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python_represents(D[V0], T).
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/**
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*
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*/
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ground_dict(_Dict,var([_V]), I, I) :-
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!.
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ground_dict(_Dict,var([V,V]), I, I) :-
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!.
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ground_dict(Dict, nonvar([V0|Vs],T),I0, [V0=T| I0]) :-
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!,
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ground_dict(Dict, var([V0|Vs]),I0, I0).
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ground_dict(Dict, var([V0,V1|Vs]), I, I) :-
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!,
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Dict[V1] := V0,
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ground_dict(Dict, var([V0|Vs]), I, I).
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