Abseil Common Libraries (C++) (grcp 依赖)
https://abseil.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
86 lines
2.6 KiB
86 lines
2.6 KiB
// Copyright 2019 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. |
|
#ifndef ABSL_STATUS_INTERNAL_STATUS_INTERNAL_H_ |
|
#define ABSL_STATUS_INTERNAL_STATUS_INTERNAL_H_ |
|
|
|
#include <string> |
|
|
|
#include "absl/base/attributes.h" |
|
#include "absl/container/inlined_vector.h" |
|
#include "absl/strings/cord.h" |
|
|
|
#ifndef SWIG |
|
// Disabled for SWIG as it doesn't parse attributes correctly. |
|
namespace absl { |
|
ABSL_NAMESPACE_BEGIN |
|
// Returned Status objects may not be ignored. Codesearch doesn't handle ifdefs |
|
// as part of a class definitions (b/6995610), so we use a forward declaration. |
|
// |
|
// TODO(b/176172494): ABSL_MUST_USE_RESULT should expand to the more strict |
|
// [[nodiscard]]. For now, just use [[nodiscard]] directly when it is available. |
|
#if ABSL_HAVE_CPP_ATTRIBUTE(nodiscard) |
|
class [[nodiscard]] Status; |
|
#else |
|
class ABSL_MUST_USE_RESULT Status; |
|
#endif |
|
ABSL_NAMESPACE_END |
|
} // namespace absl |
|
#endif // !SWIG |
|
|
|
namespace absl { |
|
ABSL_NAMESPACE_BEGIN |
|
|
|
enum class StatusCode : int; |
|
|
|
namespace status_internal { |
|
|
|
// Container for status payloads. |
|
struct Payload { |
|
std::string type_url; |
|
absl::Cord payload; |
|
}; |
|
|
|
using Payloads = absl::InlinedVector<Payload, 1>; |
|
|
|
// Reference-counted representation of Status data. |
|
struct StatusRep { |
|
StatusRep(absl::StatusCode code_arg, absl::string_view message_arg, |
|
std::unique_ptr<status_internal::Payloads> payloads_arg) |
|
: ref(int32_t{1}), |
|
code(code_arg), |
|
message(message_arg), |
|
payloads(std::move(payloads_arg)) {} |
|
|
|
std::atomic<int32_t> ref; |
|
absl::StatusCode code; |
|
std::string message; |
|
std::unique_ptr<status_internal::Payloads> payloads; |
|
}; |
|
|
|
absl::StatusCode MapToLocalCode(int value); |
|
|
|
// If `status` is not OK, returns a pointer to a newly-allocated string with the |
|
// given `prefix`, suitable for output as an error message in assertion/CHECK() |
|
// failures. Otherwise returns nullptr. |
|
// |
|
// This is an internal implementation detail for Abseil logging. |
|
std::string* MakeCheckFailString(const absl::Status& status, |
|
const char* prefix); |
|
|
|
} // namespace status_internal |
|
|
|
ABSL_NAMESPACE_END |
|
} // namespace absl |
|
|
|
#endif // ABSL_STATUS_INTERNAL_STATUS_INTERNAL_H_
|
|
|