[reference_model] Support StatefulOps and the tests for CallOnceOp

Signed-off-by: Jerry Ge <jerry.ge@arm.com>
Change-Id: I03cb878736ccd7e1f5e1f780d7171949a19a9de2

1 files changed, 8 insertions, 1 deletions

diff --git a/reference_model/src/subgraph_traverser.h b/reference_model/src/subgraph_traverser.h
index ef6ea42..d6b0e8d 100644
--- a/reference_model/src/subgraph_traverser.h
+++ b/reference_model/src/subgraph_traverser.h
@@ -74,10 +74,14 @@ public:
     int getNumOutputTensors() const;
     Tensor* getOutputTensor(const unsigned int idx) const;
     Tensor* getOutputTensorByName(const std::string name) const;
+    int getNumVariableTensors() const;
+    Tensor* getVariableTensor(const unsigned int idx) const;
+    Tensor* getVariableTensorByName(const std::string name) const;
+    int registerVariableTensor(Tensor* tensor);
     int addToNextNodeList(GraphNode*);
 
 private:
-    int addTensor(Tensor* ct);
+    int addTensor(const TosaSerializationTensor* ts);
     int addNode(GraphNode* cn);
 
     Tensor* findTensorByName(const std::string& name) const;
@@ -103,6 +107,9 @@ private:
     // The subset of tensors that are also output tensors
     std::vector<Tensor*> outputTensors;
 
+    // The subset of tensors that are also variable tensors
+    std::vector<Tensor*> variableTensors;
+
     // The definitive list of all nodes in the graph
     std::vector<GraphNode*> nodes;