vendor/twig/twig/src/NodeVisitor/YieldNotReadyNodeVisitor.php line 44

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  1. <?php
  3. /*
  4. * This file is part of Twig.
  5. *
  6. * (c) Fabien Potencier
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace Twig\NodeVisitor;
  14. use Twig\Attribute\YieldReady;
  15. use Twig\Environment;
  16. use Twig\Node\Expression\AbstractExpression;
  17. use Twig\Node\Node;
  19. /**
  20. * @internal to be removed in Twig 4
  21. */
  22. final class YieldNotReadyNodeVisitor implements NodeVisitorInterface
  23. {
  24. private $yieldReadyNodes = [];
  26. public function __construct(
  27. private bool $useYield,
  28. ) {
  29. }
  31. public function enterNode(Node $node, Environment $env): Node
  32. {
  33. $class = $node::class;
  35. if ($node instanceof AbstractExpression || isset($this->yieldReadyNodes[$class])) {
  36. return $node;
  37. }
  39. if (!$this->yieldReadyNodes[$class] = (bool) (new \ReflectionClass($class))->getAttributes(YieldReady::class)) {
  40. if ($this->useYield) {
  41. throw new \LogicException(\sprintf('You cannot enable the "use_yield" option of Twig as node "%s" is not marked as ready for it; please make it ready and then flag it with the #[\Twig\Attribute\YieldReady] attribute.', $class));
  42. }
  44. trigger_deprecation('twig/twig', '3.9', 'Twig node "%s" is not marked as ready for using "yield" instead of "echo"; please make it ready and then flag it with the #[\Twig\Attribute\YieldReady] attribute.', $class);
  45. }
  47. return $node;
  48. }
  50. public function leaveNode(Node $node, Environment $env): ?Node
  51. {
  52. return $node;
  53. }
  55. public function getPriority(): int
  56. {
  57. return 255;
  58. }
  59. }