sandboxed-api/sandboxed_api/util/status_macros.h

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