<?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\TwigFunction;
class FunctionExpression extends CallExpression
{
public function __construct($name, \Twig_NodeInterface $arguments, $lineno)
{
parent::__construct(['arguments' => $arguments], ['name' => $name, 'is_defined_test' => false], $lineno);
}
public function compile(Compiler $compiler)
{
$name = $this->getAttribute('name');
$function = $compiler->getEnvironment()->getFunction($name);
$this->setAttribute('name', $name);
$this->setAttribute('type', 'function');
$this->setAttribute('thing', $function);
$this->setAttribute('needs_environment', $function->needsEnvironment());
$this->setAttribute('needs_context', $function->needsContext());
$this->setAttribute('arguments', $function->getArguments());
if ($function instanceof \Twig_FunctionCallableInterface || $function instanceof TwigFunction) {
$callable = $function->getCallable();
if ('constant' === $name && $this->getAttribute('is_defined_test')) {
$callable = 'twig_constant_is_defined';
}
$this->setAttribute('callable', $callable);
}
if ($function instanceof TwigFunction) {
$this->setAttribute('is_variadic', $function->isVariadic());
}
$this->compileCallable($compiler);
}
}
class_alias('Twig\Node\Expression\FunctionExpression', 'Twig_Node_Expression_Function');