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first version for occurs_check flag.

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This commit is contained in:
Vítor Santos Costa 2012-02-13 11:26:05 +00:00
parent 9dc5992109
commit fb04195314
2 changed files with 13 additions and 0 deletions
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5
docs/yap.tex
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@ -8119,6 +8119,11 @@ architecture.
Read or set the size of the hash table that is used for looking up the
blackboard when the key is an integer.
@item occurs_check
@findex occurs_check (yap_flag/2 option)
@*
Current read-only and set to @code{false}.
@item n_of_integer_keys_in_db
@findex n_of_integer_keys_in_db (yap_flag/2 option)
@*

8
pl/flags.yap
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@ -543,6 +543,13 @@ yap_flag(discontiguous_warnings,X) :-
yap_flag(discontiguous_warnings,X) :-
'$do_error'(domain_error(flag_value,discontiguous_warnings+X),yap_flag(discontiguous_warnings,X)).
yap_flag(occurs_check,X) :-
X = false, !.
yap_flag(occurs_check,true) :- !,
fail.
yap_flag(occurs_check,X) :-
'$do_error'(domain_error(flag_value,occurs_check+X),yap_flag(occurs_check,X)).
yap_flag(redefine_warnings,X) :-
var(X), !,
('$syntax_check_mode'(on,_), '$syntax_check_multiple'(on,_) ->
@ -876,6 +883,7 @@ yap_flag(dialect,yap).
'$yap_system_flag'(min_integer).
'$yap_system_flag'(min_tagged_integer).
'$yap_system_flag'(n_of_integer_keys_in_db).
'$yap_system_flag'(occurs_check).
'$yap_system_flag'(open_expands_filename).
'$yap_system_flag'(open_shared_object).
'$yap_system_flag'(optimise).