--- /dev/null
+<?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.
+ */
+
+/**
+ * Represents a sandbox node.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_Sandbox extends Twig_Node
+{
+ public function __construct(Twig_NodeInterface $body, $lineno, $tag = null)
+ {
+ parent::__construct(array('body' => $body), array(), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler
+ ->addDebugInfo($this)
+ ->write("\$sandbox = \$this->env->getExtension('Twig_Extension_Sandbox');\n")
+ ->write("if (!\$alreadySandboxed = \$sandbox->isSandboxed()) {\n")
+ ->indent()
+ ->write("\$sandbox->enableSandbox();\n")
+ ->outdent()
+ ->write("}\n")
+ ->subcompile($this->getNode('body'))
+ ->write("if (!\$alreadySandboxed) {\n")
+ ->indent()
+ ->write("\$sandbox->disableSandbox();\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+ }
+}