class Rufo::Formatter

def visit_setter(node)
  # foo.bar
  # (followed by `=`, though not included in this node)
  #
  # [:field, receiver, :".", name]
  _, receiver, dot, name = node
  @dot_column = nil
  visit receiver
  skip_space
  if newline? || comment?
    consume_end_of_line
    write_indent(@dot_column || next_indent)
  end
  # Remember dot column
  dot_column = @column
  check :on_period
  write "."
  next_token
  skip_space
  if newline? || comment?
    consume_end_of_line
    write_indent(next_indent)
  else
    skip_space_or_newline
  end
  visit name
  # Only set it after we visit the call after the dot,
  # so we remember the outmost dot position
  @dot_column = dot_column
end