diff -r 6d109e3804ac -r 9a001a04b634 Twig-1.3.0/lib/Twig/TokenParser/Use.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Twig-1.3.0/lib/Twig/TokenParser/Use.php	Tue Oct 25 23:56:28 2011 +0200
@@ -0,0 +1,85 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2011 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Imports blocks defined in another template into the current template.
+ *
+ * <pre>
+ * {% extends "base.html" %}
+ *
+ * {% use "blocks.html" %}
+ *
+ * {% block title %}{% endblock %}
+ * {% block content %}{% endblock %}
+ * </pre>
+ *
+ * @see http://www.twig-project.org/doc/templates.html#horizontal-reuse for details.
+ */
+class Twig_TokenParser_Use extends Twig_TokenParser
+{
+    /**
+     * Parses a token and returns a node.
+     *
+     * @param Twig_Token $token A Twig_Token instance
+     *
+     * @return Twig_NodeInterface A Twig_NodeInterface instance
+     */
+    public function parse(Twig_Token $token)
+    {
+        $template = $this->parser->getExpressionParser()->parseExpression();
+
+        if (!$template instanceof Twig_Node_Expression_Constant) {
+            throw new Twig_Error_Syntax('The template references in a "use" statement must be a string.', $token->getLine());
+        }
+
+        $stream = $this->parser->getStream();
+
+        $targets = array();
+        if ($stream->test('with')) {
+            $stream->next();
+
+            do {
+                $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+                $alias = $name;
+                if ($stream->test('as')) {
+                    $stream->next();
+
+                    $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+                }
+
+                $targets[$name] = new Twig_Node_Expression_Constant($alias, -1);
+
+                if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) {
+                    break;
+                }
+
+                $stream->next();
+            } while (true);
+        }
+
+        $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+        $this->parser->addTrait(new Twig_Node(array('template' => $template, 'targets' => new Twig_Node($targets))));
+
+        return null;
+    }
+
+    /**
+     * Gets the tag name associated with this token parser.
+     *
+     * @param string The tag name
+     */
+    public function getTag()
+    {
+        return 'use';
+    }
+}