protected function parseExpr_Assign(Expr\Assign $expr)
{
$e = $this->readVariable($this->parseExprNode($expr->expr));
if ($expr->var instanceof Expr\List_) {
$this->parseListAssignment($expr->var, $e);
return $e;
}
$v = $this->writeVariable($this->parseExprNode($expr->var));
return new Op\Expr\Assign($v, $e, $this->mapAttributes($expr));
}