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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\Profiler\NodeVisitor;
use Twig\Environment;
use Twig\Node\BlockNode;
use Twig\Node\BodyNode;
use Twig\Node\MacroNode;
use Twig\Node\ModuleNode;
use Twig\Node\Node;
use Twig\NodeVisitor\AbstractNodeVisitor;
use Twig\Profiler\Node\EnterProfileNode;
use Twig\Profiler\Node\LeaveProfileNode;
use Twig\Profiler\Profile;
/**
* @author Fabien Potencier <fabien@symfony.com>
*/
final class ProfilerNodeVisitor extends AbstractNodeVisitor
{
private $extensionName;
public function __construct(string $extensionName)
{
$this->extensionName = $extensionName;
}
protected function doEnterNode(Node $node, Environment $env)
{
return $node;
}
protected function doLeaveNode(Node $node, Environment $env)
{
if ($node instanceof ModuleNode) {
$varName = $this->getVarName();
$node->setNode('display_start', new Node([new EnterProfileNode($this->extensionName, Profile::TEMPLATE, $node->getTemplateName(), $varName), $node->getNode('display_start')]));
$node->setNode('display_end', new Node([new LeaveProfileNode($varName), $node->getNode('display_end')]));
} elseif ($node instanceof BlockNode) {
$varName = $this->getVarName();
$node->setNode('body', new BodyNode([
new EnterProfileNode($this->extensionName, Profile::BLOCK, $node->getAttribute('name'), $varName),
$node->getNode('body'),
new LeaveProfileNode($varName),
]));
} elseif ($node instanceof MacroNode) {
$varName = $this->getVarName();
$node->setNode('body', new BodyNode([
new EnterProfileNode($this->extensionName, Profile::MACRO, $node->getAttribute('name'), $varName),
$node->getNode('body'),
new LeaveProfileNode($varName),
]));
}
return $node;
}
private function getVarName(): string
{
return sprintf('__internal_%s', hash('sha256', $this->extensionName));
}
public function getPriority()
{
return 0;
}
}
class_alias('Twig\Profiler\NodeVisitor\ProfilerNodeVisitor', 'Twig_Profiler_NodeVisitor_Profiler');