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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

@ -39,10 +39,10 @@ namespace datalog {
Each master object is also present as a key of the map, even if its master set
is empty.
*/
deps_type m_data;
context & m_context;
deps_type m_data;
context & m_context;
ptr_vector<expr> m_todo;
ast_mark m_visited;
expr_sparse_mark m_visited;
//we need to take care with removing to avoid memory leaks