private function compileTemplate($template)
{
if (!isset($this->compiler)) {
$this->initializeCompiler();
}
$templateSource = $this->getSource($template);
$stream = $this->tokenizer->tokenize($templateSource);
$node = $this->parser->parseTemplate($stream, $template);
$this->nodeTreeTraverser->traverse($node);
return $this->compiler->compile($node);
}