1 files changed, 65 insertions, 0 deletions
diff --git a/tensorflow_lite_support/cc/port/default/statusor.cc b/tensorflow_lite_support/cc/port/default/statusor.cc
new file mode 100644
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--- /dev/null
+++ b/tensorflow_lite_support/cc/port/default/statusor.cc
@@ -0,0 +1,65 @@
+/* Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+// This file is forked from absl.
+
+#include "tensorflow_lite_support/cc/port/default/statusor.h"
+
+#include <utility>
+
+#include <glog/logging.h>
+#include "absl/strings/str_cat.h"
+
+namespace tflite {
+namespace support {
+
+BadStatusOrAccess::BadStatusOrAccess(absl::Status status)
+    : status_(std::move(status)) {}
+
+BadStatusOrAccess::~BadStatusOrAccess() = default;
+
+const char* BadStatusOrAccess::what() const noexcept {
+  return "Bad StatusOr access";
+}
+
+const absl::Status& BadStatusOrAccess::status() const { return status_; }
+
+namespace internal_statusor {
+
+void Helper::HandleInvalidStatusCtorArg(absl::Status* status) {
+  const char* kMessage =
+      "An OK status is not a valid constructor argument to StatusOr<T>";
+  LOG(DFATAL) << kMessage;
+  // In optimized builds, we will fall back to ::util::error::INTERNAL.
+  *status = absl::InternalError(kMessage);
+}
+
+void Helper::Crash(const absl::Status& status) {
+  LOG(FATAL) << "Attempting to fetch value instead of handling error "
+             << status;
+  _exit(1);
+}
+
+void ThrowBadStatusOrAccess(absl::Status status) {
+#ifdef ABSL_HAVE_EXCEPTIONS
+  throw BadStatusOrAccess(std::move(status));
+#else
+  LOG(FATAL) << "Attempting to fetch value instead of handling error "
+             << status;
+#endif
+}
+
+}  // namespace internal_statusor
+}  // namespace support
+}  // namespace tflite