/**
* @param Node $node
* A node to parse
*
* @return Context
* A new or an unchanged context resulting from
* parsing the node
*/
public function visitList(Node $node) : Context
{
// Figure out the type of elements in the list
$element_type = $this->right_type->asNonGenericTypes();
foreach ($node->children ?? [] as $child_node) {
// Some times folks like to pass a null to
// a list to throw the element away. I'm not
// here to judge.
if (!$child_node instanceof Node) {
continue;
}
$variable = Variable::fromNodeInContext($child_node, $this->context, $this->code_base, false);
// Set the element type on each element of
// the list
$variable->setUnionType($element_type);
// Note that we're not creating a new scope, just
// adding variables to the existing scope
$this->context->addScopeVariable($variable);
}
return $this->context;
}
