parsePrimaryExpression example

$node->setProperty("meta");
            $object = $this->completeNode($node);
        }
        
        $newTokensCount = count($newTokens);
        
        if (!$object &&
            !($object = $this->parseSuperPropertyOrCall()) &&
            !($this->features->dynamicImport &&
                ($object = $this->parseImportCall())
            ) &&
            !($object = $this->parsePrimaryExpression())
        ) {
            
            if ($newTokensCount) {
                $this->error();
            }
            return null;
        }
        
        $valid = true;
        $optionalChain = false;
        $properties = array();
        

return $this->parsePostfixExpression(new Node\UnaryNode($token->value, $expr));
        }

        if ($token->test(Token::PUNCTUATION_TYPE, '(')) {
            $this->stream->next();
            $expr = $this->parseExpression();
            $this->stream->expect(Token::PUNCTUATION_TYPE, ')', 'An opened parenthesis is not properly closed');

            return $this->parsePostfixExpression($expr);
        }

        return $this->parsePrimaryExpression();
    }

    /** * @return Node\Node */
    protected function parseConditionalExpression(Node\Node $expr)
    {
        while ($this->stream->current->test(Token::PUNCTUATION_TYPE, '??')) {
            $this->stream->next();
            $expr2 = $this->parseExpression();

            

$class = $operator['class'];

            return $this->parsePostfixExpression(new $class($expr, $token->getLine()));
        } elseif ($token->test(/* Token::PUNCTUATION_TYPE */ 9, '(')) {
            $this->parser->getStream()->next();
            $expr = $this->parseExpression();
            $this->parser->getStream()->expect(/* Token::PUNCTUATION_TYPE */ 9, ')', 'An opened parenthesis is not properly closed');

            return $this->parsePostfixExpression($expr);
        }

        return $this->parsePrimaryExpression();
    }

    private function parseConditionalExpression($expr): AbstractExpression
    {
        while ($this->parser->getStream()->nextIf(/* Token::PUNCTUATION_TYPE */ 9, '?')) {
            if (!$this->parser->getStream()->nextIf(/* Token::PUNCTUATION_TYPE */ 9, ':')) {
                $expr2 = $this->parseExpression();
                if ($this->parser->getStream()->nextIf(/* Token::PUNCTUATION_TYPE */ 9, ':')) {
                    $expr3 = $this->parseExpression();
                } else {
                    $expr3 = new ConstantExpression('', $this->parser->getCurrentToken()->getLine());
                }