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yap-6.3/packages/python/yap_kernel/yap_ipython/prolog/jupyter.yap
Vitor Santos Costa 4a5002091f tmp
2017-12-14 18:40:22 +00:00

137 lines
3.0 KiB
Prolog

:- use_module(library(yapi)).
:- use_module(library(lists)).
:- use_module(library(maplist)).
:- use_module(library(python)).
:- python_import(sys).
:- start_low_level_trace.
user:jupyter_query(Self, Cell, Line ) :-
setup_call_cleanup(
enter_cell(Self),
jupyter_cell(Self, Cell, Line),
exit_cell(Self) ).
jupyter_cell(_Self, Cell, _) :-
open_mem_read_stream( Cell, Stream),
load_files(['jupyter cell'],[stream(Stream)]),
close( Stream ),
fail.
jupyter_cell( Self, _, Line ) :-
python_query( Self, Line ).
enter_cell(_Self) :-
open('//python/sys.stdout', append, _Output, []),
open('//python/sys.stdout', append, _Error, []),
set_prolog_flag(user_output, _Output),
set_prolog_flag(user_error, _Error),
writeln(hello),
format(user_error,'h~n',[]),
:= print("py"),
:= sys.stderr.write("ok\n").
exit_cell(_Self) :-
close( user_output),
close( user_error).
completions(S, Self) :-
open_mem_read_stream(S, St),
scan_to_list(St, Tokens),
close(St),
reverse(Tokens, RTokens),
strip_final_tokens(RTokens, MyTokens),
setof( Completion, complete(MyTokens, Completion), Cs),
Self.completions := Cs.
strip_final_tokens(['EOT'|Ts], Ts) :- !.
strip_final_tokens( Ts, Ts ).
complete([E,l,C,l,A|More],
isconsult(A),
%B = l,
library(C,Lib),
%D=l,
E=atom(Prefix),
\+ arg( Rest ),
check_library( Prefix, Lib, C).
complete([E,l,C,l,-,'['|More],
isconsult(A),
%B = l,
library(C,Lib),
%D=l,
E=atom(Prefix),
\+ arg( Rest ),
check_library( Prefix, Lib, C).
complete([C,l,A|More],
isconsult(A),
%B = l,
C=atom(Prefix),
\+ arg( Rest ),
file_or_library( Prefix, C).
complete([C,l,-,'['|More],
isconsult(A),
%B = l,
C=atom(Prefix),
\+ arg( Rest ),
file_or_library( Prefix, C).
complete( [atom(F)|Rest], C) :-
\+ arg( Rest ),
predicate( F, Pred, Arity ),
cont( Arity, F, Pred, C).
isconsult( atom(use_module) ).
isconsult( atom(ensure_loaded) ).
isconsult( atom(compile) ).
isconsult( atom(consult) ).
isconsult( atom(reconsult) ).
isconsult( atom(load_files) ).
isconsult( '[' ).
arg([']'|_]).
arg([l|_]).
file_or_library(F,C) :-
libsym(C0),
atom_cooncat(F,C,C0).
file_or_library(F,C) :-
check_file(F,C).
check_file(F0,C) :-
atom_concat('\'',F,F0),
!,
absolute_file_name( F, FF, [access(none)] ),
atom_concat( FF, '*' , Pat),
absolute_file_name( Pat, C0, [glob(true)] ),
atom_concat(Pat,C00,C0),
atom_conct(C00,'\'',C).
check_file(F0,C) :-
atom_concat( F0, '*' , Pat),
absolute_file_name( Pat, C0, [glob(true)] ),
atom_concat(Pat,C,C0).
check_library( Lib, F, C) :-
atom_concat( F, '*' , Pat),
LibF =.. [Lib(Pat)],
absolute_file_name( LibF, Lib, [glob(true)] ),
file_directory_name( Lib, Name),
( atom_concat(C, '.yap', Name) -> true ;
atom_concat(C, '.ypp', Name) -> true ;
atom_concat(C, '.prolog', Name) -> true
).
predicate(N,P,A) :-
system_predicate(P0/A),
atom_concat(N,P,P0).
predicate(N,P,A) :-
current_predicate(P0/A),
atom_concat(N,P,P0).
cont(0, F, P, P0) :-
atom_concat( F, P, P0 ).
cont( _, F, P, PB ):-
atom_concat( [F, P, '('], PB ).