function SetTokenParser::parse

Overrides TokenParserInterface::parse

File

vendor/twig/twig/src/TokenParser/SetTokenParser.php, line 33

Class

SetTokenParser

Defines a variable.

Namespace

Twig\TokenParser

Code

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, '=')) {
        $values = $this->parser
            ->getExpressionParser()
            ->parseMultitargetExpression();
        $stream->expect(Token::BLOCK_END_TYPE);
        if (\count($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 {
        $capture = true;
        if (\count($names) > 1) {
            throw new SyntaxError('When using set with a block, you cannot have a multi-target.', $stream->getCurrent()
                ->getLine(), $stream->getSourceContext());
        }
        $stream->expect(Token::BLOCK_END_TYPE);
        $values = $this->parser
            ->subparse([
            $this,
            'decideBlockEnd',
        ], true);
        $stream->expect(Token::BLOCK_END_TYPE);
    }
    return new SetNode($capture, $names, $values, $lineno);
}