Profiler.php in Zircon Profile 8

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vendor/twig/twig/lib/Twig/Profiler/NodeVisitor/Profiler.php

<?php

/*
 * This file is part of Twig.
 *
 * (c) 2015 Fabien Potencier
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * @author Fabien Potencier <[e-mail]>
 */
class Twig_Profiler_NodeVisitor_Profiler extends Twig_BaseNodeVisitor {
  private $extensionName;
  public function __construct($extensionName) {
    $this->extensionName = $extensionName;
  }

  /**
   * {@inheritdoc}
   */
  protected function doEnterNode(Twig_Node $node, Twig_Environment $env) {
    return $node;
  }

  /**
   * {@inheritdoc}
   */
  protected function doLeaveNode(Twig_Node $node, Twig_Environment $env) {
    if ($node instanceof Twig_Node_Module) {
      $varName = $this
        ->getVarName();
      $node
        ->setNode('display_start', new Twig_Node(array(
        new Twig_Profiler_Node_EnterProfile($this->extensionName, Twig_Profiler_Profile::TEMPLATE, $node
          ->getAttribute('filename'), $varName),
        $node
          ->getNode('display_start'),
      )));
      $node
        ->setNode('display_end', new Twig_Node(array(
        new Twig_Profiler_Node_LeaveProfile($varName),
        $node
          ->getNode('display_end'),
      )));
    }
    elseif ($node instanceof Twig_Node_Block) {
      $varName = $this
        ->getVarName();
      $node
        ->setNode('body', new Twig_Node_Body(array(
        new Twig_Profiler_Node_EnterProfile($this->extensionName, Twig_Profiler_Profile::BLOCK, $node
          ->getAttribute('name'), $varName),
        $node
          ->getNode('body'),
        new Twig_Profiler_Node_LeaveProfile($varName),
      )));
    }
    elseif ($node instanceof Twig_Node_Macro) {
      $varName = $this
        ->getVarName();
      $node
        ->setNode('body', new Twig_Node_Body(array(
        new Twig_Profiler_Node_EnterProfile($this->extensionName, Twig_Profiler_Profile::MACRO, $node
          ->getAttribute('name'), $varName),
        $node
          ->getNode('body'),
        new Twig_Profiler_Node_LeaveProfile($varName),
      )));
    }
    return $node;
  }
  private function getVarName() {
    return sprintf('__internal_%s', hash('sha256', uniqid(mt_rand(), true), false));
  }

  /**
   * {@inheritdoc}
   */
  public function getPriority() {
    return 0;
  }

}

Classes

Name	Description
Twig_Profiler_NodeVisitor_Profiler	@author Fabien Potencier <[e-mail]>