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52 lines
2.1 KiB
C++
52 lines
2.1 KiB
C++
// Copyright 2019 Google LLC
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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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// This file is a custom fork of util/task/status_macros.h. This will become
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// obsolete and will be replaced once Abseil releases absl::Status.
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#ifndef THIRD_PARTY_SAPI_UTIL_STATUS_MACROS_H_
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#define THIRD_PARTY_SAPI_UTIL_STATUS_MACROS_H_
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#include "absl/base/optimization.h"
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#include "absl/status/status.h"
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// Internal helper for concatenating macro values.
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#define SAPI_MACROS_IMPL_CONCAT_INNER_(x, y) x##y
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#define SAPI_MACROS_IMPL_CONCAT(x, y) SAPI_MACROS_IMPL_CONCAT_INNER_(x, y)
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#define SAPI_RETURN_IF_ERROR(expr) \
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SAPI_RETURN_IF_ERROR_IMPL(SAPI_MACROS_IMPL_CONCAT(_sapi_status, __LINE__), \
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expr)
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#define SAPI_RETURN_IF_ERROR_IMPL(status, expr) \
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do { \
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const auto status = (expr); \
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if (ABSL_PREDICT_FALSE(!status.ok())) { \
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return status; \
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} \
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} while (0)
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#define SAPI_ASSIGN_OR_RETURN(lhs, rexpr) \
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SAPI_ASSIGN_OR_RETURN_IMPL( \
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SAPI_MACROS_IMPL_CONCAT(_sapi_statusor, __LINE__), lhs, rexpr)
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#define SAPI_ASSIGN_OR_RETURN_IMPL(statusor, lhs, rexpr) \
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auto statusor = (rexpr); \
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if (ABSL_PREDICT_FALSE(!statusor.ok())) { \
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return statusor.status(); \
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} \
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lhs = std::move(statusor).value()
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#endif // THIRD_PARTY_SAPI_UTIL_STATUS_MACROS_H_
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