--- /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 nested "with" scope.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Node_With extends Twig_Node
+{
+ public function __construct(Twig_Node $body, Twig_Node $variables = null, $only = false, $lineno, $tag = null)
+ {
+ $nodes = array('body' => $body);
+ if (null !== $variables) {
+ $nodes['variables'] = $variables;
+ }
+
+ parent::__construct($nodes, array('only' => (bool) $only), $lineno, $tag);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->addDebugInfo($this);
+
+ if ($this->hasNode('variables')) {
+ $varsName = $compiler->getVarName();
+ $compiler
+ ->write(sprintf('$%s = ', $varsName))
+ ->subcompile($this->getNode('variables'))
+ ->raw(";\n")
+ ->write(sprintf("if (!is_array(\$%s)) {\n", $varsName))
+ ->indent()
+ ->write("throw new Twig_Error_Runtime('Variables passed to the \"with\" tag must be a hash.');\n")
+ ->outdent()
+ ->write("}\n")
+ ;
+
+ if ($this->getAttribute('only')) {
+ $compiler->write("\$context = array('_parent' => \$context);\n");
+ } else {
+ $compiler->write("\$context['_parent'] = \$context;\n");
+ }
+
+ $compiler->write(sprintf("\$context = array_merge(\$context, \$%s);\n", $varsName));
+ } else {
+ $compiler->write("\$context['_parent'] = \$context;\n");
+ }
+
+ $compiler
+ ->subcompile($this->getNode('body'))
+ ->write("\$context = \$context['_parent'];\n")
+ ;
+ }
+}