BlockNode.php

<?php


/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 * (c) Armin Ronacher
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Twig\Node;

use Twig\Attribute\YieldReady;
use Twig\Compiler;

/**
 * Represents a block node.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class BlockNode extends Node {
    public function __construct(string $name, Node $body, int $lineno) {
        parent::__construct([
            'body' => $body,
        ], [
            'name' => $name,
        ], $lineno);
    }
    public function compile(Compiler $compiler) : void {
        $compiler->addDebugInfo($this)
            ->write("/**\n")
            ->write(" * @return iterable<null|scalar|\\Stringable>\n")
            ->write(" */\n")
            ->write(\sprintf("public function block_%s(array \$context, array \$blocks = []): iterable\n", $this->getAttribute('name')), "{\n")
            ->indent()
            ->write("\$macros = \$this->macros;\n");
        $compiler->subcompile($this->getNode('body'))
            ->write("yield from [];\n")
            ->outdent()
            ->write("}\n\n");
    }

}