Phan\Analysis\PostOrderAnalysisVisitor::visitAssign PHP Метод

    public function visitAssign(Node $node) : Context
    {
        // Get the type of the right side of the
        // assignment
        $right_type = UnionType::fromNode($this->context, $this->code_base, $node->children['expr']);
        assert($node->children['var'] instanceof Node, "Expected left side of assignment to be a var");
        if ($right_type->isType(VoidType::instance())) {
            $this->emitIssue(Issue::TypeVoidAssignment, $node->lineno ?? 0);
        }
        // Handle the assignment based on the type of the
        // right side of the equation and the kind of item
        // on the left
        $context = (new AssignmentVisitor($this->code_base, $this->context, $node, $right_type))($node->children['var']);
        // Analyze the assignment for compatibility with some
        // breaking changes betweeen PHP5 and PHP7.
        (new ContextNode($this->code_base, $this->context, $node->children['var']))->analyzeBackwardCompatibility();
        (new ContextNode($this->code_base, $this->context, $node->children['expr']))->analyzeBackwardCompatibility();
        if ($node->children['expr'] instanceof Node && $node->children['expr']->kind == \ast\AST_CLOSURE) {
            $closure_node = $node->children['expr'];
            $method = (new ContextNode($this->code_base, $this->context->withLineNumberStart($closure_node->lineno ?? 0), $closure_node))->getClosure();
            $method->addReference($this->context);
        }
        return $context;
    }