class RubyProf::CallStackPrinter

def link(method, recursive)
  method_name = "#{recursive ? '*' : ''}#{method.full_name}"
  if method.source_file.nil?
    h method_name
  else
    file = File.expand_path(method.source_file)
   "<a href=\"file://#{file}##{method.line}\">#{h method_name}</a>"
  end
end