+/** @file nodestack.h
+ * @brief Stack of operations for use in backtracking.
+*/
+
#ifndef __NODESTACK_H__
#define __NODESTACK_H__
#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);
bool is_enabled(Thread *t);
ModelAction * get_action() { return action; }
- void print();
+ void add_read_from(ModelAction *act);
- static int get_total_nodes() { return total_nodes; }
+ void print();
MEMALLOC
private:
void explore(thread_id_t tid);
- static int total_nodes;
ModelAction *action;
int num_threads;
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;
Node * get_next();
void reset_execution();
+ int get_total_nodes() { return total_nodes; }
+
void print();
MEMALLOC
private:
node_list_t node_list;
node_list_t::iterator iter;
+
+ int total_nodes;
};
#endif /* __NODESTACK_H__ */