class Sass::Script::Parser

def funcall
  tok = try_tok(:funcall)
  return raw unless tok
  args, keywords, splat, kwarg_splat = fn_arglist
  assert_tok(:rparen)
  node(Script::Tree::Funcall.new(tok.value, args, keywords, splat, kwarg_splat),
    tok.source_range.start_pos, source_position)
end