Method ~LogMessage

Bcore/src/main/cpp/android-base/logging.cpp:423–460

    : LogMessage(file, line, id, severity, nullptr, error) {}

LogMessage::~LogMessage() {
  // Check severity again. This is duplicate work wrt/ LOG macros, but not LOG_STREAM.
  if (!WOULD_LOG(data_->GetSeverity())) {
    return;
  }

  // Finish constructing the message.
  if (data_->GetError() != -1) {
    data_->GetBuffer() << ": " << strerror(data_->GetError());
  }
  std::string msg(data_->ToString());

  {
    // Do the actual logging with the lock held.
    std::lock_guard<std::mutex> lock(LoggingLock());
    if (msg.find('\n') == std::string::npos) {
      LogLine(data_->GetFile(), data_->GetLineNumber(), data_->GetId(), data_->GetSeverity(),
              data_->GetTag(), msg.c_str());
    } else {
      msg += '\n';
      size_t i = 0;
      while (i < msg.size()) {
        size_t nl = msg.find('\n', i);
        msg[nl] = '\0';
        LogLine(data_->GetFile(), data_->GetLineNumber(), data_->GetId(), data_->GetSeverity(),
                data_->GetTag(), &msg[i]);
        // Undo the zero-termination so we can give the complete message to the aborter.
        msg[nl] = '\n';
        i = nl + 1;
      }
    }
  }

  // Abort if necessary.
  if (data_->GetSeverity() == FATAL) {
    Aborter()(msg.c_str());
  }
}

std::ostream& LogMessage::stream() {
  return data_->GetBuffer();