diff -r 000000000000 -r 7f95f8617b0b vendor/symfony/src/Symfony/Bundle/TwigBundle/CacheWarmer/TemplateCacheCacheWarmer.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Bundle/TwigBundle/CacheWarmer/TemplateCacheCacheWarmer.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,78 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\TwigBundle\CacheWarmer;
+
+use Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Bundle\FrameworkBundle\CacheWarmer\TemplateFinderInterface;
+
+/**
+ * Generates the Twig cache for all templates.
+ *
+ * This warmer must be registered after TemplatePathsCacheWarmer,
+ * as the Twig loader will need the cache generated by it.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class TemplateCacheCacheWarmer implements CacheWarmerInterface
+{
+    protected $container;
+    protected $warmer;
+
+    /**
+     * Constructor.
+     *
+     * @param ContainerInterface      $container The dependency injection container
+     * @param TemplateFinderInterface $finder    The template paths cache warmer
+     */
+    public function __construct(ContainerInterface $container, TemplateFinderInterface $finder)
+    {
+        // We don't inject the Twig environment directly as it depends on the
+        // template locator (via the loader) which might be a cached one.
+        // The cached template locator is available once the TemplatePathsCacheWarmer
+        // has been warmed up
+        $this->container = $container;
+        $this->finder = $finder;
+    }
+
+    /**
+     * Warms up the cache.
+     *
+     * @param string $cacheDir The cache directory
+     */
+    public function warmUp($cacheDir)
+    {
+        $twig = $this->container->get('twig');
+
+        foreach ($this->finder->findAllTemplates() as $template) {
+            if ('twig' !== $template->get('engine')) {
+                continue;
+            }
+
+            try {
+                $twig->loadTemplate($template);
+            } catch (\Twig_Error $e) {
+                // problem during compilation, give up
+            }
+        }
+    }
+
+    /**
+     * Checks whether this warmer is optional or not.
+     *
+     * @return Boolean always true
+     */
+    public function isOptional()
+    {
+        return true;
+    }
+}