Abseil Common Libraries (C++) (grcp 依赖)
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87 lines
2.6 KiB
87 lines
2.6 KiB
// Copyright 2019 The Abseil Authors. |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// https://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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#ifndef ABSL_STATUS_INTERNAL_STATUS_INTERNAL_H_ |
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#define ABSL_STATUS_INTERNAL_STATUS_INTERNAL_H_ |
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#include <memory> |
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#include <string> |
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#include <utility> |
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#include "absl/base/attributes.h" |
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#include "absl/container/inlined_vector.h" |
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#include "absl/strings/cord.h" |
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#ifndef SWIG |
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// Disabled for SWIG as it doesn't parse attributes correctly. |
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namespace absl { |
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ABSL_NAMESPACE_BEGIN |
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// Returned Status objects may not be ignored. Codesearch doesn't handle ifdefs |
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// as part of a class definitions (b/6995610), so we use a forward declaration. |
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// |
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// TODO(b/176172494): ABSL_MUST_USE_RESULT should expand to the more strict |
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// [[nodiscard]]. For now, just use [[nodiscard]] directly when it is available. |
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#if ABSL_HAVE_CPP_ATTRIBUTE(nodiscard) |
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class [[nodiscard]] Status; |
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#else |
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class ABSL_MUST_USE_RESULT Status; |
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#endif |
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ABSL_NAMESPACE_END |
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} // namespace absl |
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#endif // !SWIG |
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namespace absl { |
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ABSL_NAMESPACE_BEGIN |
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enum class StatusCode : int; |
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namespace status_internal { |
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// Container for status payloads. |
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struct Payload { |
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std::string type_url; |
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absl::Cord payload; |
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}; |
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using Payloads = absl::InlinedVector<Payload, 1>; |
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// Reference-counted representation of Status data. |
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struct StatusRep { |
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StatusRep(absl::StatusCode code_arg, absl::string_view message_arg, |
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std::unique_ptr<status_internal::Payloads> payloads_arg) |
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: ref(int32_t{1}), |
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code(code_arg), |
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message(message_arg), |
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payloads(std::move(payloads_arg)) {} |
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std::atomic<int32_t> ref; |
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absl::StatusCode code; |
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std::string message; |
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std::unique_ptr<status_internal::Payloads> payloads; |
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}; |
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absl::StatusCode MapToLocalCode(int value); |
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// Returns a pointer to a newly-allocated string with the given `prefix`, |
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// suitable for output as an error message in assertion/`CHECK()` failures. |
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// |
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// This is an internal implementation detail for Abseil logging. |
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std::string* MakeCheckFailString(const absl::Status* status, |
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const char* prefix); |
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} // namespace status_internal |
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ABSL_NAMESPACE_END |
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} // namespace absl |
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#endif // ABSL_STATUS_INTERNAL_STATUS_INTERNAL_H_
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