2018-06-03 12:07:38 +01:00
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/*!
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2018-06-02 23:04:51 +01:00
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* @file complete.yap
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*
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* @brief Prolog completer.
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*/
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2018-07-21 01:56:48 +01:00
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%% %% :- module( completer,
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%% %% [completions/2 ]).
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2018-06-02 23:04:51 +01:00
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:- use_module(library(lists)).
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:- use_module(library(maplist)).
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2018-07-21 01:56:48 +01:00
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:- use_module(library(python)).
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2018-06-02 23:04:51 +01:00
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%% completions( +Text, +PythonCell )
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2018-06-03 12:07:38 +01:00
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%
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2018-06-02 23:04:51 +01:00
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% Tries to complete the current text. The list with the set of completions
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% is stored in the
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% `matches` field of the python object.
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%
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completions(S, Self) :-
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open_mem_read_stream(S, St),
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scan_to_list(St, Tokens),
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close(St),
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reverse(Tokens, RTokens),
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strip_final_tokens(RTokens, MyTokens),
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setof( Completion, complete(MyTokens, Completion), Cs),
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Self.matches := Cs.
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strip_final_tokens(['EOT'|Ts], Ts) :- !.
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strip_final_tokens( Ts, Ts ).
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complete([E,l,C,l,A|More],
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isconsult(A),
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%B = l,
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library(C,Lib),
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%D=l,
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E=atom(Prefix),
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\+ arg( Rest ),
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check_library( Prefix, Lib, C).
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complete([E,l,C,l,-,'['|More],
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isconsult(A),
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%B = l,
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library(C,Lib),
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%D=l,
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E=atom(Prefix),
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\+ arg( Rest ),
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check_library( Prefix, Lib, C).
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complete([C,l,A|More],
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isconsult(A),
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%B = l,
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C=atom(Prefix),
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\+ arg( Rest ),
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file_or_library( Prefix, C).
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complete([C,l,-,'['|More],
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isconsult(A),
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%B = l,
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C=atom(Prefix),
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\+ arg( Rest ),
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file_or_library( Prefix, C).
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complete( [atom(F)|Rest], C) :-
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\+ arg( Rest ),
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predicate( F, Pred, Arity ),
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cont( Arity, F, Pred, C).
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isconsult( atom(use_module) ).
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isconsult( atom(ensure_loaded) ).
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isconsult( atom(compile) ).
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isconsult( atom(consult) ).
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isconsult( atom(reconsult) ).
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isconsult( atom(load_files) ).
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isconsult( '[' ).
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arg([']'|_]).
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arg([l|_]).
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file_or_library(F,C) :-
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libsym(C0),
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atom_cooncat(F,C,C0).
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file_or_library(F,C) :-
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check_file(F,C).
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check_file(F0,C) :-
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atom_concat('\'',F,F0),
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!,
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absolute_file_name( F, FF, [access(none)] ),
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atom_concat( FF, '*' , Pat),
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absolute_file_name( Pat, C0, [glob(true)] ),
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atom_concat(Pat,C00,C0),
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atom_conct(C00,'\'',C).
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check_file(F0,C) :-
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atom_concat( F0, '*' , Pat),
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absolute_file_name( Pat, C0, [glob(true)] ),
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atom_concat(Pat,C,C0).
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check_library( Lib, F, C) :-
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atom_concat( F, '*' , Pat),
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LibF =.. [Lib(Pat)],
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absolute_file_name( LibF, Lib, [glob(true)] ),
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file_directory_name( Lib, Name),
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( atom_concat(C, '.yap', Name) -> true ;
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atom_concat(C, '.ypp', Name) -> true ;
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atom_concat(C, '.prolog', Name) -> true
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).
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predicate(N,P,A) :-
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system_predicate(P0/A),
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atom_concat(N,P,P0).
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predicate(N,P,A) :-
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current_predicate(P0/A),
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atom_concat(N,P,P0).
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cont(0, F, P, P0) :-
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atom_concat( F, P, P0 ).
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cont( _, F, P, PB ):-
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atom_concat( [F, P, '( )'], PB ).
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