chromium/third_party/grpc/src/src/core/lib/gprpp/debug_location.h

//
//
// Copyright 2017 gRPC authors.
//
// 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.
//
//

#ifndef GRPC_SRC_CORE_LIB_GPRPP_DEBUG_LOCATION_H
#define GRPC_SRC_CORE_LIB_GPRPP_DEBUG_LOCATION_H

#if defined(__has_builtin)
#if __has_builtin(__builtin_FILE)
#define GRPC_DEFAULT_FILE …
#endif
#endif
#ifndef GRPC_DEFAULT_FILE
#define GRPC_DEFAULT_FILE …
#endif
#if defined(__has_builtin)
#if __has_builtin(__builtin_LINE)
#define GRPC_DEFAULT_LINE …
#endif
#endif
#ifndef GRPC_DEFAULT_LINE
#define GRPC_DEFAULT_LINE …
#endif

namespace grpc_core {

class SourceLocation { … };

// Used for tracking file and line where a call is made for debug builds.
// No-op for non-debug builds.
// Callers can use the DEBUG_LOCATION macro in either case.
#ifndef NDEBUG
class DebugLocation { … };
#else
class DebugLocation {
 public:
  DebugLocation() {}
  DebugLocation(const char* /* file */, int /* line */) {}
  const char* file() const { return nullptr; }
  int line() const { return -1; }
};
#endif

#define DEBUG_LOCATION …

}  // namespace grpc_core

#endif  // GRPC_SRC_CORE_LIB_GPRPP_DEBUG_LOCATION_H