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-rw-r--r--arm_compute/graph/Error.h64
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diff --git a/arm_compute/graph/Error.h b/arm_compute/graph/Error.h
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+/*
+ * Copyright (c) 2017 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_GRAPH_ERROR_H__
+#define __ARM_COMPUTE_GRAPH_ERROR_H__
+
+#include "arm_compute/graph/ITensorObject.h"
+
+namespace arm_compute
+{
+namespace graph
+{
+/** Evaluate if a tensor object is null. If the condition is true then an error message is printed and an exception thrown
+ *
+ * @param[in] function Function in which the error occurred.
+ * @param[in] file Name of the file where the error occurred.
+ * @param[in] line Line on which the error occurred.
+ * @param[in] tensor_object Tensor object to evaluate
+ * @param[in] tensor_objects (Optional) Further allowed tensor objects.
+ */
+template <typename... Ts>
+void error_on_unallocated_tensor_object(const char *function, const char *file, int line,
+ const ITensorObject *tensor_object, Ts... tensor_objects)
+{
+ ARM_COMPUTE_UNUSED(function);
+ ARM_COMPUTE_UNUSED(file);
+ ARM_COMPUTE_UNUSED(line);
+ ARM_COMPUTE_UNUSED(tensor_object);
+
+ ARM_COMPUTE_ERROR_ON_LOC(tensor_object == nullptr || tensor_object->tensor() == nullptr, function, file, line);
+
+ const std::array<const ITensorObject *, sizeof...(Ts)> tensor_objects_array{ { std::forward<Ts>(tensor_objects)... } };
+ ARM_COMPUTE_UNUSED(tensor_objects_array);
+
+ ARM_COMPUTE_ERROR_ON_LOC(std::any_of(tensor_objects_array.begin(), tensor_objects_array.end(), [&](const ITensorObject * tensor_obj)
+ {
+ return (tensor_obj == nullptr || tensor_object->tensor() == nullptr);
+ }),
+ function, file, line);
+}
+#define ARM_COMPUTE_ERROR_ON_UNALLOCATED_TENSOR_OBJECT(...) ::arm_compute::graph::error_on_unallocated_tensor_object(__func__, __FILE__, __LINE__, __VA_ARGS__)
+} // namespace graph
+} // namespace arm_compute
+#endif /* __ARM_COMPUTE_GRAPH_ERROR_H__ */