ErrorHighlight::Spotter.new

# File tmp/rubies/ruby-4.1.0-preview1/lib/error_highlight/base.rb, line 125
def initialize(node, point_type: :name, name: nil)
  @node = node
  @point_type = point_type
  @name = name

  # Not-implemented-yet options
  @arg = nil # Specify the index or keyword at which argument caused the TypeError/ArgumentError
  @multiline = false # Allow multiline spot

  @fetch = -> (lineno, last_lineno = lineno) do
    snippet = @node.script_lines[lineno - 1 .. last_lineno - 1].join("")
    snippet += "\n" unless snippet.end_with?("\n")

    # It requires some work to support Unicode (or multibyte) characters.
    # Tentatively, we stop highlighting if the code snippet has non-ascii characters.
    # See https://github.com/ruby/error_highlight/issues/4
    raise NonAscii unless snippet.ascii_only?

    snippet
  end
end