class Haml::Parser

def script(line, escape_html = nil, preserve = false)
  raise SyntaxError.new(Error.message(:no_ruby_code, '=')) if line.text.empty?
  line = handle_ruby_multiline(line)
  escape_html = @options.escape_html if escape_html.nil?
  keyword = block_keyword(line.text)
  check_push_script_stack(keyword)
  ParseNode.new(:script, line.index + 1, :text => line.text, :escape_html => escape_html,
    :preserve => preserve, :keyword => keyword)
end