/usr/share/Yap/pl/tabling.yap is in yap 6.2.2-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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%% %%
%% The YapTab/YapOr/OPTYap systems %%
%% %%
%% YapTab extends the Yap Prolog engine to support sequential tabling %%
%% YapOr extends the Yap Prolog engine to support or-parallelism %%
%% OPTYap extends the Yap Prolog engine to support or-parallel tabling %%
%% %%
%% %%
%% Yap Prolog was developed at University of Porto, Portugal %%
%% %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
:- meta_predicate
table(:),
is_tabled(:),
tabling_mode(:,?),
abolish_table(:),
show_table(:),
table_statistics(:),
table_statistics(:,:).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% table/1 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
table(Pred) :-
'$current_module'(Mod),
'$do_table'(Mod,Pred).
'$do_table'(Mod,Pred) :-
var(Pred), !,
'$do_error'(instantiation_error,table(Mod:Pred)).
'$do_table'(_,Mod:Pred) :- !,
'$do_table'(Mod,Pred).
'$do_table'(_,[]) :- !.
'$do_table'(Mod,[HPred|TPred]) :- !,
'$do_table'(Mod,HPred),
'$do_table'(Mod,TPred).
'$do_table'(Mod,(Pred1,Pred2)) :- !,
'$do_table'(Mod,Pred1),
'$do_table'(Mod,Pred2).
'$do_table'(Mod,PredName/PredArity) :-
atom(PredName),
integer(PredArity),
functor(PredFunctor,PredName,PredArity), !,
'$set_table'(Mod,PredFunctor).
'$do_table'(Mod,Pred) :-
'$do_error'(type_error(callable,Mod:Pred),table(Mod:Pred)).
'$set_table'(Mod,PredFunctor) :-
'$undefined'('$c_table'(_,_),prolog), !,
functor(PredFunctor, PredName, PredArity),
'$do_error'(resource_error(tabling,Mod:PredName/PredArity),table(Mod:PredName/PredArity)).
'$set_table'(Mod,PredFunctor) :-
'$undefined'(PredFunctor,Mod), !,
'$c_table'(Mod,PredFunctor).
'$set_table'(Mod,PredFunctor) :-
'$flags'(PredFunctor,Mod,Flags,Flags),
Flags /\ 0x1991F880 =:= 0,
'$c_table'(Mod,PredFunctor), !.
'$set_table'(Mod,PredFunctor) :-
functor(PredFunctor,PredName,PredArity),
'$do_error'(permission_error(modify,table,Mod:PredName/PredArity),table(Mod:PredName/PredArity)).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% is_tabled/1 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
is_tabled(Pred) :-
'$current_module'(Mod),
'$do_is_tabled'(Mod,Pred).
'$do_is_tabled'(Mod,Pred) :-
var(Pred), !,
'$do_error'(instantiation_error,is_tabled(Mod:Pred)).
'$do_is_tabled'(_,Mod:Pred) :- !,
'$do_is_tabled'(Mod,Pred).
'$do_is_tabled'(_,[]) :- !.
'$do_is_tabled'(Mod,[HPred|TPred]) :- !,
'$do_is_tabled'(Mod,HPred),
'$do_is_tabled'(Mod,TPred).
'$do_is_tabled'(Mod,(Pred1,Pred2)) :- !,
'$do_is_tabled'(Mod,Pred1),
'$do_is_tabled'(Mod,Pred2).
'$do_is_tabled'(Mod,PredName/PredArity) :-
atom(PredName),
integer(PredArity),
functor(PredFunctor,PredName,PredArity),
'$flags'(PredFunctor,Mod,Flags,Flags), !,
Flags /\ 0x000040 =\= 0.
'$do_is_tabled'(Mod,Pred) :-
'$do_error'(type_error(callable,Mod:Pred),is_tabled(Mod:Pred)).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% tabling_mode/2 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
tabling_mode(Pred,Options) :-
'$current_module'(Mod),
'$do_tabling_mode'(Mod,Pred,Options).
'$do_tabling_mode'(Mod,Pred,Options) :-
var(Pred), !,
'$do_error'(instantiation_error,tabling_mode(Mod:Pred,Options)).
'$do_tabling_mode'(_,Mod:Pred,Options) :- !,
'$do_tabling_mode'(Mod,Pred,Options).
'$do_tabling_mode'(_,[],_) :- !.
'$do_tabling_mode'(Mod,[HPred|TPred],Options) :- !,
'$do_tabling_mode'(Mod,HPred,Options),
'$do_tabling_mode'(Mod,TPred,Options).
'$do_tabling_mode'(Mod,(Pred1,Pred2),Options) :- !,
'$do_tabling_mode'(Mod,Pred1,Options),
'$do_tabling_mode'(Mod,Pred2,Options).
'$do_tabling_mode'(Mod,PredName/PredArity,Options) :-
atom(PredName),
integer(PredArity),
functor(PredFunctor,PredName,PredArity),
'$flags'(PredFunctor,Mod,Flags,Flags), !,
(
Flags /\ 0x000040 =\= 0, !, '$set_tabling_mode'(Mod,PredFunctor,Options)
;
'$do_error'(domain_error(table,Mod:PredName/PredArity),tabling_mode(Mod:PredName/PredArity,Options))
).
'$do_tabling_mode'(Mod,Pred,Options) :-
'$do_error'(type_error(callable,Mod:Pred),tabling_mode(Mod:Pred,Options)).
'$set_tabling_mode'(Mod,PredFunctor,Options) :-
var(Options), !,
'$c_tabling_mode'(Mod,PredFunctor,Options).
'$set_tabling_mode'(_,_,[]) :- !.
'$set_tabling_mode'(Mod,PredFunctor,[HOption|TOption]) :- !,
'$set_tabling_mode'(Mod,PredFunctor,HOption),
'$set_tabling_mode'(Mod,PredFunctor,TOption).
'$set_tabling_mode'(Mod,PredFunctor,(Option1,Option2)) :- !,
'$set_tabling_mode'(Mod,PredFunctor,Option1),
'$set_tabling_mode'(Mod,PredFunctor,Option2).
'$set_tabling_mode'(Mod,PredFunctor,Option) :-
'$transl_to_pred_flag_tabling_mode'(Flag,Option), !,
'$c_tabling_mode'(Mod,PredFunctor,Flag).
'$set_tabling_mode'(Mod,PredFunctor,Options) :-
functor(PredFunctor,PredName,PredArity),
'$do_error'(domain_error(flag_value,tabling_mode+Options),tabling_mode(Mod:PredName/PredArity,Options)).
%% should match with code in OPTYap/opt.preds.c
'$transl_to_pred_flag_tabling_mode'(1,batched).
'$transl_to_pred_flag_tabling_mode'(2,local).
'$transl_to_pred_flag_tabling_mode'(3,exec_answers).
'$transl_to_pred_flag_tabling_mode'(4,load_answers).
'$transl_to_pred_flag_tabling_mode'(5,local_trie).
'$transl_to_pred_flag_tabling_mode'(6,global_trie).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% abolish_table/1 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
abolish_table(Pred) :-
'$current_module'(Mod),
'$do_abolish_table'(Mod,Pred).
'$do_abolish_table'(Mod,Pred) :-
var(Pred), !,
'$do_error'(instantiation_error,abolish_table(Mod:Pred)).
'$do_abolish_table'(_,Mod:Pred) :- !,
'$do_abolish_table'(Mod,Pred).
'$do_abolish_table'(_,[]) :- !.
'$do_abolish_table'(Mod,[HPred|TPred]) :- !,
'$do_abolish_table'(Mod,HPred),
'$do_abolish_table'(Mod,TPred).
'$do_abolish_table'(Mod,(Pred1,Pred2)) :- !,
'$do_abolish_table'(Mod,Pred1),
'$do_abolish_table'(Mod,Pred2).
'$do_abolish_table'(Mod,PredName/PredArity) :-
atom(PredName),
integer(PredArity),
functor(PredFunctor,PredName,PredArity),
'$flags'(PredFunctor,Mod,Flags,Flags), !,
(
Flags /\ 0x000040 =\= 0, !, '$c_abolish_table'(Mod,PredFunctor)
;
'$do_error'(domain_error(table,Mod:PredName/PredArity),abolish_table(Mod:PredName/PredArity))
).
'$do_abolish_table'(Mod,Pred) :-
'$do_error'(type_error(callable,Mod:Pred),abolish_table(Mod:Pred)).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% show_table/1 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
show_table(Pred) :-
'$current_module'(Mod),
'$do_show_table'(Mod,Pred).
'$do_show_table'(Mod,Pred) :-
var(Pred), !,
'$do_error'(instantiation_error,show_table(Mod:Pred)).
'$do_show_table'(_,Mod:Pred) :- !,
'$do_show_table'(Mod,Pred).
'$do_show_table'(_,[]) :- !.
'$do_show_table'(Mod,[HPred|TPred]) :- !,
'$do_show_table'(Mod,HPred),
'$do_show_table'(Mod,TPred).
'$do_show_table'(Mod,(Pred1,Pred2)) :- !,
'$do_show_table'(Mod,Pred1),
'$do_show_table'(Mod,Pred2).
'$do_show_table'(Mod,PredName/PredArity) :-
atom(PredName),
integer(PredArity),
functor(PredFunctor,PredName,PredArity),
'$flags'(PredFunctor,Mod,Flags,Flags), !,
(
Flags /\ 0x000040 =\= 0, !, '$c_show_table'(Mod,PredFunctor)
;
'$do_error'(domain_error(table,Mod:PredName/PredArity),show_table(Mod:PredName/PredArity))
).
'$do_show_table'(Mod,Pred) :-
'$do_error'(type_error(callable,Mod:Pred),show_table(Mod:Pred)).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% table_statistics/1 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
table_statistics(Pred) :-
'$current_module'(Mod),
'$do_table_statistics'(Mod,Pred).
'$do_table_statistics'(Mod,Pred) :-
var(Pred), !,
'$do_error'(instantiation_error,table_statistics(Mod:Pred)).
'$do_table_statistics'(_,Mod:Pred) :- !,
'$do_table_statistics'(Mod,Pred).
'$do_table_statistics'(_,[]) :- !.
'$do_table_statistics'(Mod,[HPred|TPred]) :- !,
'$do_table_statistics'(Mod,HPred),
'$do_table_statistics'(Mod,TPred).
'$do_table_statistics'(Mod,(Pred1,Pred2)) :- !,
'$do_table_statistics'(Mod,Pred1),
'$do_table_statistics'(Mod,Pred2).
'$do_table_statistics'(Mod,PredName/PredArity) :-
atom(PredName),
integer(PredArity),
functor(PredFunctor,PredName,PredArity),
'$flags'(PredFunctor,Mod,Flags,Flags), !,
(
Flags /\ 0x000040 =\= 0, !, '$c_table_statistics'(Mod,PredFunctor)
;
'$do_error'(domain_error(table,Mod:PredName/PredArity),table_statistics(Mod:PredName/PredArity))
).
'$do_table_statistics'(Mod,Pred) :-
'$do_error'(type_error(callable,Mod:Pred),table_statistics(Mod:Pred)).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% tabling_statistics/2 %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% should match with code in OPTYap/opt.preds.c
tabling_statistics(total_memory,[BytesInUse,BytesAllocated]) :-
'$c_get_optyap_statistics'(0,BytesInUse,BytesAllocated).
tabling_statistics(table_entries,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(1,BytesInUse,StructsInUse).
tabling_statistics(subgoal_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(2,BytesInUse,StructsInUse).
tabling_statistics(dependency_frames,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(3,BytesInUse,StructsInUse).
tabling_statistics(subgoal_trie_nodes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(6,BytesInUse,StructsInUse).
tabling_statistics(answer_trie_nodes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(7,BytesInUse,StructsInUse).
tabling_statistics(subgoal_trie_hashes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(8,BytesInUse,StructsInUse).
tabling_statistics(answer_trie_hashes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(9,BytesInUse,StructsInUse).
tabling_statistics(global_trie_nodes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(10,BytesInUse,StructsInUse).
tabling_statistics(global_trie_hashes,[BytesInUse,StructsInUse]) :-
'$c_get_optyap_statistics'(11,BytesInUse,StructsInUse).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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