nodestack: print extra backtracking info

[model-checker.git] / nodestack.h

diff --git a/nodestack.h b/nodestack.h
index 90d84bd6dea21da0ab677971acdb3893e9609780..f6d3e4e36be07a0ffa0feec975181faacd283f4f 100644 (file)
--- a/nodestack.h
+++ b/nodestack.h
@@ -63,7 +63,7 @@ public:
        /* return true = backtrack set is empty */
        bool backtrack_empty() const;
 
-       void explore_child(ModelAction *act, enabled_type_t * is_enabled);
+       void explore_child(ModelAction *act, enabled_type_t *is_enabled);
        /* return false = thread was already in backtrack */
        bool set_backtrack(thread_id_t id);
        thread_id_t get_next_backtrack();
@@ -166,7 +166,14 @@ public:
        MEMALLOC
 private:
        node_list_t node_list;
-       unsigned int iter;
+
+       /**
+        * @brief the index position of the current head Node
+        *
+        * This index is relative to node_list. The index should point to the
+        * current head Node.
+        */
+       int head_idx;
 
        int total_nodes;
 };