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Directory >> /home/softsuitetech/www/vendor/nikic/php-parser/lib/PhpParser/NodeVisitor/

File / Folder	Size	Action
.	-
CloningVisitor.php	0.49KB	edt ren
CommentAnnotatingVisito...	2.712KB	edt ren
FindingVisitor.php	1.116KB	edt ren
FirstFindingVisitor.php	1.222KB	edt ren
NameResolver.php	10.127KB	edt ren
NodeConnectingVisitor.php	2.274KB	edt ren
ParentConnectingVisitor...	1.31KB	edt ren

<?php declare(strict_types=1);

namespace PhpParser\NodeVisitor;

use PhpParser\Node;
use PhpParser\NodeVisitorAbstract;

/**
 * Visitor that connects a child node to its parent node
 * as well as its sibling nodes.
 *
 * With <code>$weakReferences=false</code> on the child node, the parent node can be accessed through
 * <code>$node->getAttribute('parent')</code>, the previous
 * node can be accessed through <code>$node->getAttribute('previous')</code>,
 * and the next node can be accessed through <code>$node->getAttribute('next')</code>.
 *
 * With <code>$weakReferences=true</code> attribute names are prefixed by "weak_", e.g. "weak_parent".
 */
final class NodeConnectingVisitor extends NodeVisitorAbstract {
    /**
     * @var Node[]
     */
    private array $stack = [];

/**
     * @var ?Node
     */
    private $previous;

private bool $weakReferences;

public function __construct(bool $weakReferences = false) {
        $this->weakReferences = $weakReferences;
    }

public function beforeTraverse(array $nodes) {
        $this->stack    = [];
        $this->previous = null;
    }

public function enterNode(Node $node) {
        if (!empty($this->stack)) {
            $parent = $this->stack[count($this->stack) - 1];
            if ($this->weakReferences) {
                $node->setAttribute('weak_parent', \WeakReference::create($parent));
            } else {
                $node->setAttribute('parent', $parent);
            }
        }

if ($this->previous !== null) {
            if (
                $this->weakReferences
            ) {
                if ($this->previous->getAttribute('weak_parent') === $node->getAttribute('weak_parent')) {
                    $node->setAttribute('weak_previous', \WeakReference::create($this->previous));
                    $this->previous->setAttribute('weak_next', \WeakReference::create($node));
                }
            } elseif ($this->previous->getAttribute('parent') === $node->getAttribute('parent')) {
                $node->setAttribute('previous', $this->previous);
                $this->previous->setAttribute('next', $node);
            }
        }

$this->stack[] = $node;
    }

public function leaveNode(Node $node) {
        $this->previous = $node;

array_pop($this->stack);
    }
}