extended-error-message.hpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#ifndef NFD_CORE_EXTENDED_ERROR_MESSAGE_HPP
#define NFD_CORE_EXTENDED_ERROR_MESSAGE_HPP

#include <boost/exception/get_error_info.hpp>
#include <sstream>

namespace nfd {

template<typename E>
std::string
getExtendedErrorMessage(const E& exception)
{
  std::ostringstream errorMessage;
  errorMessage << exception.what();

  const char* const* file = boost::get_error_info<boost::throw_file>(exception);
  const int* line = boost::get_error_info<boost::throw_line>(exception);
  const char* const* func = boost::get_error_info<boost::throw_function>(exception);
  if (file && line) {
    errorMessage << " [from " << *file << ":" << *line;
    if (func) {
      errorMessage << " in " << *func;
    }
    errorMessage << "]";
  }

  return errorMessage.str();
}

} // namespace nfd

#endif // NFD_CORE_EXTENDED_ERROR_MESSAGE_HPP