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dd63ddbc24
The formatting in this project has become something of a mess, because it changed over time. Add a CS fixer config and reformat to the desired style, which is PSR-12, but with sane brace placement.
39 lines
854 B
PHP
39 lines
854 B
PHP
<?php declare(strict_types=1);
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namespace PhpParser\NodeVisitor;
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use PhpParser\Node;
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use PhpParser\NodeVisitorAbstract;
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use function array_pop;
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use function count;
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/**
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* Visitor that connects a child node to its parent node.
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*
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* On the child node, the parent node can be accessed through
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* <code>$node->getAttribute('parent')</code>.
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*/
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final class ParentConnectingVisitor extends NodeVisitorAbstract {
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/**
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* @var Node[]
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*/
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private $stack = [];
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public function beforeTraverse(array $nodes) {
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$this->stack = [];
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}
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public function enterNode(Node $node) {
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if (!empty($this->stack)) {
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$node->setAttribute('parent', $this->stack[count($this->stack) - 1]);
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}
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$this->stack[] = $node;
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}
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public function leaveNode(Node $node) {
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array_pop($this->stack);
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}
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}
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