90 lines
2.2 KiB
Prolog
90 lines
2.2 KiB
Prolog
:- [library(hacks)].
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'$predicate_flags'(P, M, Flags0, Flags1) :-
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var(Flags0),
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Flags0 == Flags1,
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!,
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(
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predicate_property(M:P, meta_predicate(_))
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->
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Flags1 = 0x200000
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).
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'$predicate_flags'(P, M, Flags0, Flags1) :-
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( Flags1 /\ 0x200000 =\= 0,
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Flags0 /\ 0x200000 =:= 0
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->
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true
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;
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Flags1 /\ 0x200000 =\= 0,
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Flags0 /\ 0x200000 =\= 0
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).
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'$get_undefined_pred'(G,M,G,M0) :-
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predicate_property(M:G, imported_from(M0)), !.
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'$get_undefined_pred'(G,M,G,OM) :-
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functor(G,F,N),
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( system_predicate(F/N), OM = prolog ; current_predicate(user:F/N), OM= user), !.
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'$get_undefined_pred'(G,M,G,M0) :-
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predicate_property(M:G, imported_from(M0)), !.
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'$get_undefined_pred'(G,M,G,M).
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'$is_metapredicate'( call(_), _M) :- !.
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'$is_metapredicate'( call(_,_), _M) :- !.
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'$is_metapredicate'( G, M) :-
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predicate_property(M:G, meta_predicate(_)).
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'$imported_predicate'(G,M,G,M0) :-
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predicate_property(M:G, imported_from(M0)).
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'$is_system_predicate'( call(_), _M) :- !.
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'$is_system_predicate'( call(_,_), _M) :- !.
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'$is_system_predicate'(G,M) :-
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predicate_property(M:G, built_in).
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'$is_multifile'(G,M) :-
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predicate_property(M:G, multifile).
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'$module_transparent'(_,_,_,_) :- fail.
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'$meta_predicate'(call,_M,1,call(0)) :- !.
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'$meta_predicate'(call,_M,2,call(1,?)) :- !.
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'$meta_predicate'(F,M,N,P) :-
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functor(G, F, N),
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predicate_property(M:G, meta_predicate(P)).
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user:term_expansion( ( :- '$meta_predicate'( _ ) ), [] ).
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user:goal_expansion(_:'_user_expand_goal'(A, M, B), user:user_expand_goal(A, M, B) ).
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user_expand_goal(A, M, B) :-
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(
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current_predicate(M:goal_expansion/2),
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M:goal_expansion(A,B) -> true ;
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system:goal_expansion(A,B) -> true ;
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user:goal_expansion(A,M,B) -> true ;
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user:goal_expansion(A,B) -> true
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).
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user:goal_expansion(prolog:'$meta_predicate'(N,M,A,D) , user:mt( N, M, A, D) ).
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mt(N,M,A,D) :-
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functor(D,N,A),
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predicate_property(M:D, meta_predicate(D)).
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'$full_clause_optimisation'(_H, _M, B, B).
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'$c_built_in'(G, _SM, _H, G).
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'$head_and_body'((H:-B),H,B) :- !.
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'$head_and_body'(H,H,true).
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'$yap_strip_module'(T,M,S) :-
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fully_strip_module(T,M,S).
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:- hide_predicate( expand_goal ).
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:- include(library(boot/meta)).
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