public function compileSource($source, $name = null)
    {
        try {
            return $this->compile($this->parse($this->tokenize($source, $name)));
        } catch (Twig_Error $e) {
            $e->setTemplateFile($name);
            throw $e;
        } catch (Exception $e) {
            throw new Twig_Error_Syntax(sprintf('An exception has been thrown during the compilation of a template ("%s").', $e->getMessage()), -1, $name, $e);
        }
    }