--- /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.
+ */
+
+/**
+ * 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.
+ *
+ * @final
+ */
+class Twig_TokenParser_Use extends Twig_TokenParser
+{
+ public function parse(Twig_Token $token)
+ {
+ $template = $this->parser->getExpressionParser()->parseExpression();
+ $stream = $this->parser->getStream();
+
+ if (!$template instanceof Twig_Node_Expression_Constant) {
+ throw new Twig_Error_Syntax('The template references in a "use" statement must be a string.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
+ }
+
+ $targets = array();
+ if ($stream->nextIf('with')) {
+ do {
+ $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+
+ $alias = $name;
+ if ($stream->nextIf('as')) {
+ $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
+ }
+
+ $targets[$name] = new Twig_Node_Expression_Constant($alias, -1);
+
+ if (!$stream->nextIf(Twig_Token::PUNCTUATION_TYPE, ',')) {
+ break;
+ }
+ } while (true);
+ }
+
+ $stream->expect(Twig_Token::BLOCK_END_TYPE);
+
+ $this->parser->addTrait(new Twig_Node(array('template' => $template, 'targets' => new Twig_Node($targets))));
+ }
+
+ public function getTag()
+ {
+ return 'use';
+ }
+}