Pinq\Parsing\PhpParser\AST::parseStatementNode PHP Method

    private function parseStatementNode(Node\Stmt $node)
    {
        switch (true) {
            case $node instanceof Node\Stmt\Return_:
                return Expression::returnExpression($node->expr !== null ? $this->parseNode($node->expr) : null);
            case $node instanceof Node\Stmt\Throw_:
                return Expression::throwExpression($this->parseNode($node->expr));
            case $node instanceof Node\Stmt\Unset_:
                return Expression::unsetExpression($this->parseNodes($node->vars));
            default:
                $this->verifyNotControlStructure($node);
                throw new ASTException('Cannot parse AST with unknown statement node: %s', get_class($node));
        }
    }