Open a source location in vim

irbrc

class Object
  def vim
    return unless File.chardev?('.vimpty') && respond_to?(:source_location) && source_location
    message = %(\e]51;["call", "IrbApi_OpenBuf", #{source_location.inspect}]\a)
    IO.write('.vimpty', message, mode: 'a')
  end
end

vimrc

function! MakeVimpty()
  let ptybuf = term_start("NONE", {"term_name": "ptybuf", "hidden": 1, "term_kill": "quit"})
  call term_setapi(ptybuf, "IrbApi_")
  call system("ln -fs ".job_info(term_getjob(ptybuf))['tty_out']." .vimpty")
  exe "autocmd BufUnload <buffer=" . ptybuf . "> call delete('.vimpty')"
endfunction

function IrbApi_OpenBuf(bufnum, args)
  let open_str = fnamemodify(a:args[0], ":.")
  if exists('a:args[1]')
    let open_str = "+". a:args[1] . " " . open_str
  endif
  silent exe "vert drop " . open_str
endfunc

call MakeVimpty()