diff options
Diffstat (limited to 'src/expr/node_algorithm.h')
| -rw-r--r-- | src/expr/node_algorithm.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/expr/node_algorithm.h b/src/expr/node_algorithm.h index 656f162ae..727f5ba75 100644 --- a/src/expr/node_algorithm.h +++ b/src/expr/node_algorithm.h @@ -73,6 +73,14 @@ bool getFreeVariables(TNode n, bool computeFv = true); /** + * Get all variables in n. + * @param n The node under investigation + * @param vs The set which free variables are added to + * @return true iff this node contains a free variable. + */ +bool getVariables(TNode n, std::unordered_set<TNode, TNodeHashFunction>& vs); + +/** * For term n, this function collects the symbols that occur as a subterms * of n. A symbol is a variable that does not have kind BOUND_VARIABLE. * @param n The node under investigation |