private function initializeEvaluator()
{
//Note: must be eval'd in an instance context.
//See: https://bugs.php.net/bug.php?id=65598
$this->originalCompiledEvaluator = eval($this->code);
$this->boundCompiledEvaluator = $this->originalCompiledEvaluator->bindTo($this->context->getThis(), $this->context->getScopeType());
}