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<?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 Twig\TokenParser; use Twig\Node\Expression\Variable\AssignContextVariable; use Twig\Node\Expression\Variable\AssignTemplateVariable; use Twig\Node\Expression\Variable\TemplateVariable; use Twig\Node\ImportNode; use Twig\Node\Node; use Twig\Token; /** * Imports macros. * * {% from 'forms.html.twig' import forms %} * * @internal */ final class FromTokenParser extends AbstractTokenParser { public function parse(Token $token): Node { $macro = $this->parser->parseExpression(); $stream = $this->parser->getStream(); $stream->expect(Token::NAME_TYPE, 'import'); $targets = []; while (true) { $name = $stream->expect(Token::NAME_TYPE)->getValue(); if ($stream->nextIf('as')) { $alias = new AssignContextVariable($stream->expect(Token::NAME_TYPE)->getValue(), $token->getLine()); } else { $alias = new AssignContextVariable($name, $token->getLine()); } $targets[$name] = $alias; if (!$stream->nextIf(Token::PUNCTUATION_TYPE, ',')) { break; } } $stream->expect(Token::BLOCK_END_TYPE); $internalRef = new AssignTemplateVariable(new TemplateVariable(null, $token->getLine()), $this->parser->isMainScope()); $node = new ImportNode($macro, $internalRef, $token->getLine()); foreach ($targets as $name => $alias) { $this->parser->addImportedSymbol('function', $alias->getAttribute('name'), 'macro_'.$name, $internalRef); } return $node; } public function getTag(): string { return 'from'; } }
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