Файл: upload/core/vendor/twig/twig/src/TokenParser/AbstractTokenParser.php
Строк: 57
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace TwigTokenParser;
use TwigLexer;
use TwigNodeExpressionVariableAssignContextVariable;
use TwigNodeNodes;
use TwigParser;
use TwigToken;
/**
* Base class for all token parsers.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class AbstractTokenParser implements TokenParserInterface
{
/**
* @var Parser
*/
protected $parser;
public function setParser(Parser $parser): void
{
$this->parser = $parser;
}
/**
* Parses an assignment expression like "a, b".
*/
protected function parseAssignmentExpression(): Nodes
{
$stream = $this->parser->getStream();
$targets = [];
while (true) {
$token = $stream->getCurrent();
if ($stream->test(Token::OPERATOR_TYPE) && preg_match(Lexer::REGEX_NAME, $token->getValue())) {
// in this context, string operators are variable names
$stream->next();
} else {
$stream->expect(Token::NAME_TYPE, null, 'Only variables can be assigned to');
}
$targets[] = new AssignContextVariable($token->getValue(), $token->getLine());
if (!$stream->nextIf(Token::PUNCTUATION_TYPE, ',')) {
break;
}
}
return new Nodes($targets);
}
}