getParser() public method

public getParser ( )
 /**
  * {@inheritdoc}
  */
 public function enterNode(\Twig_NodeInterface $node, \Twig_Environment $env)
 {
     if ($node instanceof \Twig_Node_Block || $node instanceof \Twig_Node_Module) {
         $this->scope = $this->scope->enter();
     }
     if ($node instanceof TransDefaultDomainNode) {
         if ($node->getNode('expr') instanceof \Twig_Node_Expression_Constant) {
             $this->scope->set('domain', $node->getNode('expr'));
             return $node;
         } else {
             $var = $env->getParser()->getVarName();
             $name = new \Twig_Node_Expression_AssignName($var, $node->getLine());
             $this->scope->set('domain', new \Twig_Node_Expression_Name($var, $node->getLine()));
             return new \Twig_Node_Set(false, new \Twig_Node(array($name)), new \Twig_Node(array($node->getNode('expr'))), $node->getLine());
         }
     }
     if (!$this->scope->has('domain')) {
         return $node;
     }
     if ($node instanceof \Twig_Node_Expression_Filter && in_array($node->getNode('filter')->getAttribute('value'), array('trans', 'transchoice'))) {
         $ind = 'trans' === $node->getNode('filter')->getAttribute('value') ? 1 : 2;
         $arguments = $node->getNode('arguments');
         if (!$arguments->hasNode($ind)) {
             if (!$arguments->hasNode($ind - 1)) {
                 $arguments->setNode($ind - 1, new \Twig_Node_Expression_Array(array(), $node->getLine()));
             }
             $arguments->setNode($ind, $this->scope->get('domain'));
         }
     } elseif ($node instanceof TransNode) {
         if (null === $node->getNode('domain')) {
             $node->setNode('domain', $this->scope->get('domain'));
         }
     }
     return $node;
 }