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have free variable utility use a class for more efficient re-use

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-15 16:14:22 -07:00
parent 73070585b8
commit c09903288f
39 changed files with 300 additions and 303 deletions

View file

@ -191,6 +191,7 @@ namespace datalog {
pred2syms m_argument_var_names;
rule_set m_rule_set;
rule_set m_transformed_rule_set;
expr_free_vars m_free_vars;
unsigned m_rule_fmls_head;
expr_ref_vector m_rule_fmls;
svector<symbol> m_rule_names;