parseCatch example

    protected function parseTryStatement()
    {
        if ($token = $this->scanner->consume("try")) {
            
            if ($block = $this->parseBlock()) {
                
                $node = $this->createNode("TryStatement", $token);
                $node->setBlock($block);

                if ($handler = $this->parseCatch()) {
                    $node->setHandler($handler);
                }

                if ($finalizer = $this->parseFinally()) {
                    $node->setFinalizer($finalizer);
                }

                if ($handler || $finalizer) {
                    return $this->completeNode($node);
                }
            }