diff options
Diffstat (limited to 'third_party/protobuf/src/google/protobuf/stubs/status_macros.h')
-rw-r--r-- | third_party/protobuf/src/google/protobuf/stubs/status_macros.h | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/third_party/protobuf/src/google/protobuf/stubs/status_macros.h b/third_party/protobuf/src/google/protobuf/stubs/status_macros.h deleted file mode 100644 index 743e79a727..0000000000 --- a/third_party/protobuf/src/google/protobuf/stubs/status_macros.h +++ /dev/null @@ -1,89 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -// From: util/task/contrib/status_macros/status_macros.h - -#ifndef GOOGLE_PROTOBUF_STUBS_STATUS_MACROS_H_ -#define GOOGLE_PROTOBUF_STUBS_STATUS_MACROS_H_ - -#include <google/protobuf/stubs/common.h> -#include <google/protobuf/stubs/status.h> -#include <google/protobuf/stubs/statusor.h> - -namespace google { -namespace protobuf { -namespace util { - -// Run a command that returns a util::Status. If the called code returns an -// error status, return that status up out of this method too. -// -// Example: -// RETURN_IF_ERROR(DoThings(4)); -#define RETURN_IF_ERROR(expr) \ - do { \ - /* Using _status below to avoid capture problems if expr is "status". */ \ - const ::google::protobuf::util::Status _status = (expr); \ - if (GOOGLE_PREDICT_FALSE(!_status.ok())) return _status; \ - } while (0) - -// Internal helper for concatenating macro values. -#define STATUS_MACROS_CONCAT_NAME_INNER(x, y) x##y -#define STATUS_MACROS_CONCAT_NAME(x, y) STATUS_MACROS_CONCAT_NAME_INNER(x, y) - -template<typename T> -Status DoAssignOrReturn(T& lhs, StatusOr<T> result) { - if (result.ok()) { - lhs = result.ValueOrDie(); - } - return result.status(); -} - -#define ASSIGN_OR_RETURN_IMPL(status, lhs, rexpr) \ - Status status = DoAssignOrReturn(lhs, (rexpr)); \ - if (GOOGLE_PREDICT_FALSE(!status.ok())) return status; - -// Executes an expression that returns a util::StatusOr, extracting its value -// into the variable defined by lhs (or returning on error). -// -// Example: Assigning to an existing value -// ValueType value; -// ASSIGN_OR_RETURN(value, MaybeGetValue(arg)); -// -// WARNING: ASSIGN_OR_RETURN expands into multiple statements; it cannot be used -// in a single statement (e.g. as the body of an if statement without {})! -#define ASSIGN_OR_RETURN(lhs, rexpr) \ - ASSIGN_OR_RETURN_IMPL( \ - STATUS_MACROS_CONCAT_NAME(_status_or_value, __COUNTER__), lhs, rexpr); - -} // namespace util -} // namespace protobuf -} // namespace google - -#endif // GOOGLE_PROTOBUF_STUBS_STATUS_H_ |