nodestack: add 'may_read_from' set

[c11tester.git] / nodestack.h

diff --git a/nodestack.h b/nodestack.h
index a73ce44034fba9bc44d76ebe27f8912c21132c83..74ac245f3b3b00331a3328482d7c21c47bdc7cdb 100644 (file)
--- a/nodestack.h
+++ b/nodestack.h
@@ -7,12 +7,15 @@
 
 #include <list>
 #include <vector>
+#include <set>
 #include <cstddef>
 #include "threads.h"
 #include "mymemory.h"
 
 class ModelAction;
 
+typedef std::set< ModelAction *, std::less< ModelAction *>, MyAlloc< ModelAction * > > action_set_t;
+
 class Node {
 public:
        Node(ModelAction *act = NULL, int nthreads = 1);
@@ -28,6 +31,8 @@ public:
        bool is_enabled(Thread *t);
        ModelAction * get_action() { return action; }
 
+       void add_read_from(ModelAction *act);
+
        void print();
 
        MEMALLOC
@@ -39,6 +44,10 @@ private:
        std::vector< bool, MyAlloc<bool> > explored_children;
        std::vector< bool, MyAlloc<bool> > backtrack;
        int numBacktracks;
+
+       /** The set of ModelActions that this the action at this Node may read
+        *  from. Only meaningful if this Node represents a 'read' action. */
+       action_set_t may_read_from;
 };
 
 typedef std::list<class Node *, MyAlloc< class Node * > > node_list_t;