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Diffstat (limited to 'absl/status/statusor.cc')
-rw-r--r-- | absl/status/statusor.cc | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/absl/status/statusor.cc b/absl/status/statusor.cc new file mode 100644 index 00000000..b954b45e --- /dev/null +++ b/absl/status/statusor.cc @@ -0,0 +1,71 @@ +// Copyright 2020 The Abseil Authors. +// +// 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 +// +// https://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. +#include "absl/status/statusor.h" + +#include <cstdlib> +#include <utility> + +#include "absl/base/internal/raw_logging.h" +#include "absl/status/status.h" +#include "absl/strings/str_cat.h" + +namespace absl { +ABSL_NAMESPACE_BEGIN + +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>"; +#ifdef NDEBUG + ABSL_INTERNAL_LOG(ERROR, kMessage); +#else + ABSL_INTERNAL_LOG(FATAL, kMessage); +#endif + // In optimized builds, we will fall back to InternalError. + *status = absl::InternalError(kMessage); +} + +void Helper::Crash(const absl::Status& status) { + ABSL_INTERNAL_LOG( + FATAL, + absl::StrCat("Attempting to fetch value instead of handling error ", + status.ToString())); +} + +void ThrowBadStatusOrAccess(absl::Status status) { +#ifdef ABSL_HAVE_EXCEPTIONS + throw absl::BadStatusOrAccess(std::move(status)); +#else + ABSL_INTERNAL_LOG( + FATAL, + absl::StrCat("Attempting to fetch value instead of handling error ", + status.ToString())); + std::abort(); +#endif +} + +} // namespace internal_statusor +ABSL_NAMESPACE_END +} // namespace absl |