1 files changed, 179 insertions, 0 deletions
diff --git a/src/armnn/LayerVisitorBase.hpp b/src/armnn/LayerVisitorBase.hpp
new file mode 100644
index 0000000000..037a5a75ac
--- /dev/null
+++ b/src/armnn/LayerVisitorBase.hpp
@@ -0,0 +1,179 @@
+//
+// Copyright © 2017 Arm Ltd. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+
+#include <armnn/ILayerVisitor.hpp>
+
+namespace armnn
+{
+
+// Visitor base class with empty implementations.
+class LayerVisitorBase : public ILayerVisitor
+{
+protected:
+    LayerVisitorBase() {}
+    virtual ~LayerVisitorBase() {}
+
+public:
+    virtual void VisitInputLayer(const IConnectableLayer*,
+                                 LayerBindingId,
+                                 const char*) {}
+
+    virtual void VisitConvolution2dLayer(const IConnectableLayer*,
+                                         const Convolution2dDescriptor&,
+                                         const ConstTensor&,
+                                         const char*) {}
+
+    virtual void VisitConvolution2dLayer(const IConnectableLayer*,
+                                         const Convolution2dDescriptor&,
+                                         const ConstTensor&,
+                                         const ConstTensor&,
+                                         const char*) {}
+
+    virtual void VisitDepthwiseConvolution2dLayer(const IConnectableLayer*,
+                                                  const DepthwiseConvolution2dDescriptor&,
+                                                  const ConstTensor& ,
+                                                  const char*) {}
+
+    virtual void VisitDepthwiseConvolution2dLayer(const IConnectableLayer*,
+                                                  const DepthwiseConvolution2dDescriptor&,
+                                                  const ConstTensor&,
+                                                  const ConstTensor&,
+                                                  const char*) {}
+
+    virtual void VisitDetectionPostProcessLayer(const IConnectableLayer*,
+                                                const DetectionPostProcessDescriptor&,
+                                                const char*) {}
+
+    virtual void VisitFullyConnectedLayer(const IConnectableLayer*,
+                                          const FullyConnectedDescriptor&,
+                                          const ConstTensor&,
+                                          const char*) {}
+
+    virtual void VisitFullyConnectedLayer(const IConnectableLayer*,
+                                          const FullyConnectedDescriptor&,
+                                          const ConstTensor&,
+                                          const ConstTensor&,
+                                          const char*) {}
+
+    virtual void VisitPermuteLayer(const IConnectableLayer*,
+                                   const PermuteDescriptor&,
+                                   const char*) {}
+
+    virtual void VisitBatchToSpaceNdLayer(const IConnectableLayer*,
+                                          const BatchToSpaceNdDescriptor&,
+                                          const char*) {}
+
+    virtual void VisitPooling2dLayer(const IConnectableLayer*,
+                                     const Pooling2dDescriptor&,
+                                     const char*) {}
+
+    virtual void VisitActivationLayer(const IConnectableLayer*,
+                                      const ActivationDescriptor&,
+                                      const char*) {}
+
+    virtual void VisitNormalizationLayer(const IConnectableLayer*,
+                                         const NormalizationDescriptor&,
+                                         const char*) {}
+
+    virtual void VisitSoftmaxLayer(const IConnectableLayer*,
+                                   const SoftmaxDescriptor&,
+                                   const char*) {}
+
+    virtual void VisitSplitterLayer(const IConnectableLayer*,
+                                    const ViewsDescriptor&,
+                                    const char*) {}
+
+    virtual void VisitMergerLayer(const IConnectableLayer*,
+                                  const OriginsDescriptor&,
+                                  const char*) {}
+
+    virtual void VisitAdditionLayer(const IConnectableLayer*,
+                                    const char*) {}
+
+    virtual void VisitMultiplicationLayer(const IConnectableLayer*,
+                                          const char*) {}
+
+    virtual void VisitBatchNormalizationLayer(const IConnectableLayer*,
+                                              const BatchNormalizationDescriptor&,
+                                              const ConstTensor&,
+                                              const ConstTensor&,
+                                              const ConstTensor&,
+                                              const ConstTensor&,
+                                              const char*) {}
+
+    virtual void VisitResizeBilinearLayer(const IConnectableLayer*,
+                                          const ResizeBilinearDescriptor&,
+                                          const char*) {}
+
+    virtual void VisitL2NormalizationLayer(const IConnectableLayer*,
+                                           const L2NormalizationDescriptor&,
+                                           const char*) {}
+
+    virtual void VisitConstantLayer(const IConnectableLayer*,
+                                    const ConstTensor&,
+                                    const char*) {}
+
+    virtual void VisitReshapeLayer(const IConnectableLayer*,
+                                   const ReshapeDescriptor&,
+                                   const char*) {}
+
+    virtual void VisitSpaceToBatchNdLayer(const IConnectableLayer*,
+                                          const SpaceToBatchNdDescriptor&,
+                                          const char*) {}
+
+    virtual void VisitFloorLayer(const IConnectableLayer*,
+                                 const char*) {}
+
+    virtual void VisitOutputLayer(const IConnectableLayer*,
+                                  LayerBindingId id,
+                                  const char*) {}
+    
+    virtual void VisitLstmLayer(const IConnectableLayer*,
+                                const LstmDescriptor&,
+                                const LstmInputParams&,
+                                const char*) {}
+    
+    virtual void VisitDivisionLayer(const IConnectableLayer*,
+                                    const char*) {}
+    
+    virtual void VisitSubtractionLayer(const IConnectableLayer*,
+                                       const char*) {}
+    
+    virtual void VisitMaximumLayer(const IConnectableLayer*,
+                                   const char*) {}
+    
+    virtual void VisitMeanLayer(const IConnectableLayer*,
+                                const MeanDescriptor&,
+                                const char*) {}
+    
+    virtual void VisitPadLayer(const IConnectableLayer*,
+                               const PadDescriptor&,
+                               const char*) {}
+    
+    virtual void VisitStridedSliceLayer(const IConnectableLayer*,
+                                        const StridedSliceDescriptor&,
+                                        const char*) {}
+    
+    virtual void VisitMinimumLayer(const IConnectableLayer*,
+                                   const char*) {}
+    
+    virtual void VisitGreaterLayer(const IConnectableLayer*,
+                                   const char*) {}
+    
+    virtual void VisitEqualLayer(const IConnectableLayer*,
+                                 const char*) {}
+    
+    virtual void VisitRsqrtLayer(const IConnectableLayer*,
+                                 const char*) {}
+    
+    virtual void VisitGatherLayer(const IConnectableLayer*,
+                                  const char*) {}
+    
+};
+
+} //namespace armnn
+