ControllerDoesNotReturnResponseException.php

<?php


/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Symfony\Component\HttpKernel\Exception;


/**
 * @author Grégoire Pineau <lyrixx@lyrixx.info>
 */
class ControllerDoesNotReturnResponseException extends \LogicException {
    public function __construct(string $message, callable $controller, string $file, int $line) {
        parent::__construct($message);
        if (!($controllerDefinition = $this->parseControllerDefinition($controller))) {
            return;
        }
        $this->file = $controllerDefinition['file'];
        $this->line = $controllerDefinition['line'];
        $r = new \ReflectionProperty(\Exception::class, 'trace');
        $r->setValue($this, array_merge([
            [
                'line' => $line,
                'file' => $file,
            ],
        ], $this->getTrace()));
    }
    private function parseControllerDefinition(callable $controller) : ?array {
        if (\is_string($controller) && str_contains($controller, '::')) {
            $controller = explode('::', $controller);
        }
        if (\is_array($controller)) {
            try {
                $r = new \ReflectionMethod($controller[0], $controller[1]);
                return [
                    'file' => $r->getFileName(),
                    'line' => $r->getEndLine(),
                ];
            } catch (\ReflectionException) {
                return null;
            }
        }
        if ($controller instanceof \Closure) {
            $r = new \ReflectionFunction($controller);
            return [
                'file' => $r->getFileName(),
                'line' => $r->getEndLine(),
            ];
        }
        if (\is_object($controller)) {
            $r = new \ReflectionClass($controller);
            try {
                $line = $r->getMethod('__invoke')
                    ->getEndLine();
            } catch (\ReflectionException) {
                $line = $r->getEndLine();
            }
            return [
                'file' => $r->getFileName(),
                'line' => $line,
            ];
        }
        return null;
    }

}