Файл: upload/core/vendor/twig/twig/src/Node/Expression/ArrowFunctionExpression.php
Строк: 90
<?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 TwigNodeExpression;
use TwigCompiler;
use TwigErrorSyntaxError;
use TwigNodeExpressionVariableAssignContextVariable;
use TwigNodeExpressionVariableContextVariable;
use TwigNodeNode;
/**
* Represents an arrow function.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class ArrowFunctionExpression extends AbstractExpression
{
public function __construct(AbstractExpression $expr, Node $names, $lineno)
{
if (!$names instanceof ListExpression && !$names instanceof ContextVariable) {
throw new SyntaxError('The arrow function argument must be a list of variables or a single variable.', $names->getTemplateLine(), $names->getSourceContext());
}
if ($names instanceof ContextVariable) {
$names = new ListExpression([new AssignContextVariable($names->getAttribute('name'), $names->getTemplateLine())], $lineno);
}
parent::__construct(['expr' => $expr, 'names' => $names], [], $lineno);
}
public function compile(Compiler $compiler): void
{
$compiler
->addDebugInfo($this)
->raw('function (')
->subcompile($this->getNode('names'))
->raw(') use ($context, $macros) { ')
;
foreach ($this->getNode('names') as $name) {
$compiler
->raw('$context["')
->raw($name->getAttribute('name'))
->raw('"] = $__')
->raw($name->getAttribute('name'))
->raw('__; ')
;
}
$compiler
->raw('return ')
->subcompile($this->getNode('expr'))
->raw('; }')
;
}
}