parseAssignmentExpression example

final class SetTokenParser extends AbstractTokenParser
{
    public function parse(Token $token): Node
    {
        $lineno = $token->getLine();
        $stream = $this->parser->getStream();
        $names = $this->parser->getExpressionParser()->parseAssignmentExpression();

        $capture = false;
        if ($stream->nextIf(/* Token::OPERATOR_TYPE */ 8, '=')) {
            $values = $this->parser->getExpressionParser()->parseMultitargetExpression();

            $stream->expect(/* Token::BLOCK_END_TYPE */ 3);

            if (\count($names) !== \count($values)) {
                throw new SyntaxError('When using set, you must have the same number of variables and assignments.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
            }
        } else {
            

final class ForTokenParser extends AbstractTokenParser
{
    public function parse(Token $token): Node
    {
        $lineno = $token->getLine();
        $stream = $this->parser->getStream();
        $targets = $this->parser->getExpressionParser()->parseAssignmentExpression();
        $stream->expect(/* Token::OPERATOR_TYPE */ 8, 'in');
        $seq = $this->parser->getExpressionParser()->parseExpression();

        $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
        $body = $this->parser->subparse([$this, 'decideForFork']);
        if ('else' == $stream->next()->getValue()) {
            $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
            $else = $this->parser->subparse([$this, 'decideForEnd'], true);
        } else {
            $else = null;
        }
        

    protected function parseJSXChild()
    {
        if ($node = $this->parseJSXText()) {
            return $node;
        } elseif ($node = $this->parseJSXFragment()) {
            return $node;
        } elseif($node = $this->parseJSXElement()) {
            return $node;
        } elseif ($startToken = $this->scanner->consume("{")) {
            $spread = $this->scanner->consume("...");
            $exp = $this->parseAssignmentExpression();
            $midPos = $this->scanner->getPosition();
            if (($spread && !$exp) || !$this->scanner->consume("}")) {
                $this->error();
            }
            $node = $this->createJSXNode(
                $spread ? "JSXSpreadChild" : "JSXExpressionContainer",
                $startToken
            );
            if (!$exp) {
                $exp = $this->createJSXNode("JSXEmptyExpression", $midPos);
                $this->completeNode($exp, $midPos);
            }

    
    /** * Parses an initializer * * @return Node\Node|null */
    protected function parseInitializer()
    {
        if ($this->scanner->consume("=")) {
            
            if ($value = $this->parseAssignmentExpression()) {
                return $value;
            }
            
            $this->error();
        }
        return null;
    }
    
    /** * Parses an object binding pattern * * @return Node\ObjectPattern|null */