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make get_vars populate all indices with sorts even if variable does not occur in rule. This makes the use of get_vars less prone to callers having to double check for null pointers

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-07-21 17:12:39 +02:00
parent 72fe197bda
commit 4957e71408
8 changed files with 16 additions and 21 deletions
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src/muz/base/dl_rule.h
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@ -304,7 +304,7 @@ namespace datalog {
void norm_vars(rule_manager & rm);
void get_vars(ptr_vector<sort>& sorts) const;
void get_vars(ast_manager& m, ptr_vector<sort>& sorts) const;
void to_formula(expr_ref& result) const;