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psalm/src/Psalm/Internal/PhpVisitor/CloningVisitor.php

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<?php
declare(strict_types=1);
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namespace Psalm\Internal\PhpVisitor;
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use function array_map;
use PhpParser\Node;
use PhpParser\NodeVisitorAbstract;
/**
* Visitor cloning all nodes and linking to the original nodes using an attribute.
*
* This visitor is required to perform format-preserving pretty prints.
*/
class CloningVisitor extends NodeVisitorAbstract
{
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public function enterNode(Node $node)
{
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$node = clone $node;
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if ($cs = $node->getComments()) {
$node->setAttribute(
'comments',
array_map(
/**
* @return \PhpParser\Comment
*/
function (\PhpParser\Comment $c) {
return clone $c;
},
$cs
)
);
}
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return $node;
}
}