From d8734b55d89f05901ba9a75349761a9c955d9243 Mon Sep 17 00:00:00 2001
From: Georgios Pinitas <georgios.pinitas@arm.com>
Date: Fri, 22 Dec 2017 15:27:52 +0000
Subject: COMPMID-793 : Add graph intermediate representation

Change-Id: Ic1685de4e19e0ac79669ef2da64e1dc96c7ea0bf
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/115248
Tested-by: Jenkins <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
---
 arm_compute/graph2/printers/DotGraphPrinter.h | 104 ++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 arm_compute/graph2/printers/DotGraphPrinter.h

(limited to 'arm_compute/graph2/printers/DotGraphPrinter.h')

diff --git a/arm_compute/graph2/printers/DotGraphPrinter.h b/arm_compute/graph2/printers/DotGraphPrinter.h
new file mode 100644
index 0000000000..3b1879c505
--- /dev/null
+++ b/arm_compute/graph2/printers/DotGraphPrinter.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) 2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef __ARM_COMPUTE_GRAPH2_DOTGRAPHPRINTER_H__
+#define __ARM_COMPUTE_GRAPH2_DOTGRAPHPRINTER_H__
+
+#include "arm_compute/graph2/IGraphPrinter.h"
+
+#include "arm_compute/graph2/INodeVisitor.h"
+
+#include <string>
+
+namespace arm_compute
+{
+namespace graph2
+{
+class DotGraphVisitor final : public DefaultNodeVisitor
+{
+public:
+    /** Default Constructor **/
+    DotGraphVisitor() = default;
+    /** Returns the output information of the last visited node
+     *
+     * @return Information of the last visited node
+     */
+    const std::string &info() const;
+
+    // Reveal parent method
+    using DefaultNodeVisitor::visit;
+
+    // Inherited methods overridden
+    void visit(ActivationLayerNode &n) override;
+    void visit(BatchNormalizationLayerNode &n) override;
+    void visit(ConvolutionLayerNode &n) override;
+    void visit(DepthConcatenateLayerNode &n) override;
+    void visit(DepthwiseConvolutionLayerNode &n) override;
+    void visit(EltwiseLayerNode &n) override;
+    void visit(NormalizationLayerNode &n) override;
+    void visit(PoolingLayerNode &n) override;
+    void default_visit() override;
+
+private:
+    std::string _info{};
+};
+
+/** Graph printer interface */
+class DotGraphPrinter final : public IGraphPrinter
+{
+public:
+    // Inherited methods overridden
+    void print(const Graph &g, std::ostream &os) override;
+
+private:
+    /** Print dot graph header
+     *
+     * @param[in]  g  Graph
+     * @param[out] os Output stream to use
+     */
+    void print_header(const Graph &g, std::ostream &os);
+    /** Print dot graph footer
+     *
+     * @param[in]  g  Graph
+     * @param[out] os Output stream to use
+     */
+    void print_footer(const Graph &g, std::ostream &os);
+    /** Prints nodes in dot format
+     *
+     * @param[in]  g  Graph
+     * @param[out] os Output stream to use
+     */
+    void print_nodes(const Graph &g, std::ostream &os);
+    /** Prints edges in dot format
+     *
+     * @param[in]  g  Graph
+     * @param[out] os Output stream to use
+     */
+    void print_edges(const Graph &g, std::ostream &os);
+
+private:
+    DotGraphVisitor _dot_node_visitor = {};
+};
+} // namespace graph2
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH2_DOTGRAPHPRINTER_H__ */
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