class ActionView::Template

def spot(location) # :nodoc:
  ast = RubyVM::AbstractSyntaxTree.parse(compiled_source, keep_script_lines: true)
  node_id = RubyVM::AbstractSyntaxTree.node_id_for_backtrace_location(location)
  node = find_node_by_id(ast, node_id)
  ErrorHighlight.spot(node)
end