leilukin-tumbleblog/includes/lib/Twig/Node/Expression/FunctionExpression.php

44 lines
1.4 KiB
PHP

<?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\Node\Expression;
use Twig\Compiler;
use Twig\Extension\CoreExtension;
use Twig\Node\Node;
class FunctionExpression extends CallExpression
{
public function __construct(string $name, Node $arguments, int $lineno)
{
parent::__construct(['arguments' => $arguments], ['name' => $name, 'type' => 'function', 'is_defined_test' => false], $lineno);
}
public function compile(Compiler $compiler)
{
$name = $this->getAttribute('name');
$function = $compiler->getEnvironment()->getFunction($name);
$this->setAttribute('needs_charset', $function->needsCharset());
$this->setAttribute('needs_environment', $function->needsEnvironment());
$this->setAttribute('needs_context', $function->needsContext());
$this->setAttribute('arguments', $function->getArguments());
$callable = $function->getCallable();
if ('constant' === $name && $this->getAttribute('is_defined_test')) {
$callable = [CoreExtension::class, 'constantIsDefined'];
}
$this->setAttribute('callable', $callable);
$this->setAttribute('is_variadic', $function->isVariadic());
$this->compileCallable($compiler);
}
}