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MacroNode.php
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<?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; use Twig\Attribute\YieldReady; use Twig\Compiler; use Twig\Error\SyntaxError; /** * Represents a macro node. * * @author Fabien Potencier <fabien@symfony.com> */ #[YieldReady] class MacroNode extends Node { public const VARARGS_NAME = 'varargs'; /** * @param BodyNode $body */ public function __construct(string $name, Node $body, Node $arguments, int $lineno) { if (!$body instanceof BodyNode) { trigger_deprecation('twig/twig', '3.12', \sprintf('Not passing a "%s" instance as the "body" argument of the "%s" constructor is deprecated.', BodyNode::class, static::class)); } foreach ($arguments as $argumentName => $argument) { if (self::VARARGS_NAME === $argumentName) { throw new SyntaxError(\sprintf('The argument "%s" in macro "%s" cannot be defined because the variable "%s" is reserved for arbitrary arguments.', self::VARARGS_NAME, $name, self::VARARGS_NAME), $argument->getTemplateLine(), $argument->getSourceContext()); } } parent::__construct(['body' => $body, 'arguments' => $arguments], ['name' => $name], $lineno); } public function compile(Compiler $compiler): void { $compiler ->addDebugInfo($this) ->write(\sprintf('public function macro_%s(', $this->getAttribute('name'))) ; $count = \count($this->getNode('arguments')); $pos = 0; foreach ($this->getNode('arguments') as $name => $default) { $compiler ->raw('$__'.$name.'__ = ') ->subcompile($default) ; if (++$pos < $count) { $compiler->raw(', '); } } if ($count) { $compiler->raw(', '); } $compiler ->raw('...$__varargs__') ->raw(")\n") ->write("{\n") ->indent() ->write("\$macros = \$this->macros;\n") ->write("\$context = [\n") ->indent() ; foreach ($this->getNode('arguments') as $name => $default) { $compiler ->write('') ->string($name) ->raw(' => $__'.$name.'__') ->raw(",\n") ; } $node = new CaptureNode($this->getNode('body'), $this->getNode('body')->lineno); $compiler ->write('') ->string(self::VARARGS_NAME) ->raw(' => ') ->raw("\$__varargs__,\n") ->outdent() ->write("] + \$this->env->getGlobals();\n\n") ->write("\$blocks = [];\n\n") ->write('return ') ->subcompile($node) ->raw("\n") ->outdent() ->write("}\n\n") ; } }