| // Copyright 2023 Google LLC |
| // |
| // 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 THIRD_PARTY_ANONYMOUS_TOKENS_CPP_SHARED_STATUS_UTILS_H_ |
| #define THIRD_PARTY_ANONYMOUS_TOKENS_CPP_SHARED_STATUS_UTILS_H_ |
| |
| #include "absl/base/optimization.h" |
| #include "absl/status/status.h" |
| |
| namespace private_membership { |
| namespace anonymous_tokens { |
| |
| #define _ANON_TOKENS_STATUS_MACROS_CONCAT_NAME(x, y) \ |
| _ANON_TOKENS_STATUS_MACROS_CONCAT_IMPL(x, y) |
| #define _ANON_TOKENS_STATUS_MACROS_CONCAT_IMPL(x, y) x##y |
| |
| #define ANON_TOKENS_ASSIGN_OR_RETURN(lhs, rexpr) \ |
| _ANON_TOKENS_ASSIGN_OR_RETURN_IMPL( \ |
| _ANON_TOKENS_STATUS_MACROS_CONCAT_NAME(_status_or_val, __LINE__), lhs, \ |
| rexpr) |
| |
| #define _ANON_TOKENS_ASSIGN_OR_RETURN_IMPL(statusor, lhs, rexpr) \ |
| auto statusor = (rexpr); \ |
| if (ABSL_PREDICT_FALSE(!statusor.ok())) { \ |
| return statusor.status(); \ |
| } \ |
| lhs = *std::move(statusor) |
| |
| #define ANON_TOKENS_RETURN_IF_ERROR(expr) \ |
| do { \ |
| auto _status = (expr); \ |
| if (ABSL_PREDICT_FALSE(!_status.ok())) return _status; \ |
| } while (0) |
| |
| } // namespace anonymous_tokens |
| } // namespace private_membership |
| |
| #endif // THIRD_PARTY_ANONYMOUS_TOKENS_CPP_SHARED_STATUS_UTILS_H_ |