diff --git a/include/tree.h b/include/tree.h
index 7c51432..774191a 100644
--- a/include/tree.h
+++ b/include/tree.h
@@ -98,6 +98,13 @@ int libab_tree_has_string(libab_tree_variant var);
  * @return true if the tree node variant contains a type.
  */
 int libab_tree_has_type(libab_tree_variant var);
+/**
+ * Determines if the given tree node
+ * variant contains a scope.
+ * @param var the variant of the tree node.
+ * @return true if the node variant contains a scope.
+ */
+int libab_tree_has_scope(libab_tree_variant var);
 /**
  * Determines if the given tree node variant
  * should contain a vector.
diff --git a/src/tree.c b/src/tree.c
index b790bcf..4016249 100644
--- a/src/tree.c
+++ b/src/tree.c
@@ -16,6 +16,12 @@ int libab_tree_has_string(libab_tree_variant variant) {
             variant == TREE_RESERVED_OP;
 }
 
+int libab_tree_has_scope(libab_tree_variant variant) {
+    return variant == TREE_BASE || variant == TREE_BLOCK ||
+        variant == TREE_IF || variant == TREE_WHILE ||
+        variant == TREE_DOWHILE || variant == TREE_FUN;
+}
+
 int libab_tree_has_type(libab_tree_variant variant) {
     return variant == TREE_FUN_PARAM || variant == TREE_FUN;
 }