File Content: BlockReferenceExpression.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\Expression; use Twig\Compiler; use Twig\Node\Node; /** * Represents a block call node. * * @author Fabien Potencier <fabien@symfony.com> */ class BlockReferenceExpression extends AbstractExpression implements SupportDefinedTestInterface { use SupportDefinedTestDeprecationTrait; use SupportDefinedTestTrait; /** * @param AbstractExpression $name */ public function __construct(Node $name, ?Node $template, int $lineno) { if (!$name instanceof AbstractExpression) { trigger_deprecation('twig/twig', '3.15', 'Not passing a "%s" instance to the "node" argument of "%s" is deprecated ("%s" given).', AbstractExpression::class, static::class, $name::class); } $nodes = ['name' => $name]; if (null !== $template) { $nodes['template'] = $template; } parent::__construct($nodes, ['output' => false], $lineno); } public function compile(Compiler $compiler): void { if ($this->definedTest) { $this->compileTemplateCall($compiler, 'hasBlock'); } else { if ($this->getAttribute('output')) { $compiler->addDebugInfo($this); $compiler->write('yield from '); $this ->compileTemplateCall($compiler, 'yieldBlock') ->raw(";\n"); } else { $this->compileTemplateCall($compiler, 'renderBlock'); } } } private function compileTemplateCall(Compiler $compiler, string $method): Compiler { if (!$this->hasNode('template')) { $compiler->write('$this'); } else { $compiler ->write('$this->load(') ->subcompile($this->getNode('template')) ->raw(', ') ->repr($this->getTemplateLine()) ->raw(')') ; } $compiler->raw(\sprintf('->unwrap()->%s', $method)); return $this->compileBlockArguments($compiler); } private function compileBlockArguments(Compiler $compiler): Compiler { $compiler ->raw('(') ->subcompile($this->getNode('name')) ->raw(', $context'); if (!$this->hasNode('template')) { $compiler->raw(', $blocks'); } return $compiler->raw(')'); } } Submit