cyclegraph: add destructor, use 'const' appropriately

[model-checker.git] / cyclegraph.h

diff --git a/cyclegraph.h b/cyclegraph.h
index a748c7791110f5c37837ff72131bc8901b98e4e5..a98e68c972e77cf6b615cff94521bd872df4e26a 100644 (file)
--- a/cyclegraph.h
+++ b/cyclegraph.h
@@ -12,25 +12,25 @@ class ModelAction;
 class CycleGraph {
  public:
        CycleGraph();
-       void addEdge(ModelAction *from, ModelAction *to);
+       ~CycleGraph();
+       void addEdge(const ModelAction *from, const ModelAction *to);
        bool checkForCycles();
 
  private:
-       CycleNode * getNode(ModelAction *);
-       HashTable<ModelAction *, CycleNode *, uintptr_t, 4> actionToNode;
+       CycleNode * getNode(const ModelAction *);
+       HashTable<const ModelAction *, CycleNode *, uintptr_t, 4> actionToNode;
        bool checkReachable(CycleNode *from, CycleNode *to);
        bool hasCycles;
-
 };
 
 class CycleNode {
  public:
-       CycleNode(ModelAction *action);
+       CycleNode(const ModelAction *action);
        void addEdge(CycleNode * node);
        std::vector<CycleNode *> * getEdges();
 
  private:
-       ModelAction *action;
+       const ModelAction *action;
        std::vector<CycleNode *> edges;
 };