test.php

<?php

namespace Controller;

use Symfony\Component\HttpFoundation\Request;

class FooController
{
    public function doSomething(Request $request, AwesomeService $service)
    {
        return $service->foo();
    }
}

class AwesomeService
{
    private $barService;

    public function __construct(BarService $barService)
    {
    	// args are available here
    	$args = $something->getData();
        $this->barService = $barService;
    }

    public function foo()
    {
    	// doSomething is dependant on args
        $args = $this->barService->doSomething();
    }
}

class BarService
{
	/**
	 * This is where the problem is
	 * @param BarService $barService [description]
	 */
	public function __construct(array $args)
    {
        // ../
    }
}