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8.2
src/Symfony/Component/ExpressionLanguage/Node/NullCoalesceNode.php
65 строк
2 KB
Thomas Calvet
[ExpressionLanguage] Fix null coalescing propagation
09 дек 2023, 14:27
09 дек 2023, 14:27
6c5ca23
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<?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\ExpressionLanguage\Node; use Symfony\Component\ExpressionLanguage\Compiler; /** * @author Fabien Potencier <fabien@symfony.com> * * @internal */ class NullCoalesceNode extends Node { public function __construct(Node $expr1, Node $expr2) { parent::__construct(['expr1' => $expr1, 'expr2' => $expr2]); } public function compile(Compiler $compiler): void { $compiler ->raw('((') ->compile($this->nodes['expr1']) ->raw(') ?? (') ->compile($this->nodes['expr2']) ->raw('))') ; } public function evaluate(array $functions, array $values): mixed { if ($this->nodes['expr1'] instanceof GetAttrNode) { $this->addNullCoalesceAttributeToGetAttrNodes($this->nodes['expr1']); } return $this->nodes['expr1']->evaluate($functions, $values) ?? $this->nodes['expr2']->evaluate($functions, $values); } public function toArray(): array { return ['(', $this->nodes['expr1'], ') ?? (', $this->nodes['expr2'], ')']; } private function addNullCoalesceAttributeToGetAttrNodes(Node $node): void { if (!$node instanceof GetAttrNode) { return; } $node->attributes['is_null_coalesce'] = true; foreach ($node->nodes as $node) { $this->addNullCoalesceAttributeToGetAttrNodes($node); } } }