leilukin-tumbleblog/includes/lib/Twig/NodeVisitor/YieldNotReadyNodeVisitor.php

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<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\NodeVisitor;
use Twig\Attribute\YieldReady;
use Twig\Environment;
use Twig\Node\Expression\AbstractExpression;
use Twig\Node\Node;
/**
* @internal to be removed in Twig 4
*/
final class YieldNotReadyNodeVisitor implements NodeVisitorInterface
{
private $useYield;
private $yieldReadyNodes = [];
public function __construct(bool $useYield)
{
$this->useYield = $useYield;
}
public function enterNode(Node $node, Environment $env): Node
{
$class = \get_class($node);
if ($node instanceof AbstractExpression || isset($this->yieldReadyNodes[$class])) {
return $node;
}
if (!$this->yieldReadyNodes[$class] = (bool) (new \ReflectionClass($class))->getAttributes(YieldReady::class)) {
if ($this->useYield) {
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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 #[YieldReady] attribute.', $class));
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}
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 #[YieldReady] attribute.', $class);
}
return $node;
}
public function leaveNode(Node $node, Environment $env): ?Node
{
return $node;
}
public function getPriority(): int
{
return 255;
}
}