class RBS::Writer

def method_name(name)
  s = name.to_s
  if [:tOPERATOR, :kAMP, :kHAT, :kSTAR, :kLT, :kEXCLAMATION, :kSTAR2, :kBAR].include?(Parser::PUNCTS[s]) ||
      (/\A[a-zA-Z_]\w*[?!=]?\z/.match?(s) && !/\Aself\??\z/.match?(s))
    s
  else
    "`#{s}`"
  end
end