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Modified some paths to be more generic and not require rewrite.  Some
instances of phase names have been changed, others are still in process.

Twig/Profiler/Node/EnterProfile.php

@@ -0,0 +1,40 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2015 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a profile enter node.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Profiler_Node_EnterProfile extends Twig_Node
+{
+    public function __construct($extensionName, $type, $name, $varName)
+    {
+        parent::__construct(array(), array('extension_name' => $extensionName, 'name' => $name, 'type' => $type, 'var_name' => $varName));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function compile(Twig_Compiler $compiler)
+    {
+        $compiler
+            ->write(sprintf('$%s = $this->env->getExtension(', $this->getAttribute('var_name')))
+            ->repr($this->getAttribute('extension_name'))
+            ->raw(");\n")
+            ->write(sprintf('$%s->enter($%s = new Twig_Profiler_Profile($this->getTemplateName(), ', $this->getAttribute('var_name'), $this->getAttribute('var_name').'_prof'))
+            ->repr($this->getAttribute('type'))
+            ->raw(', ')
+            ->repr($this->getAttribute('name'))
+            ->raw("));\n\n")
+        ;
+    }
+}

Twig/Profiler/Node/LeaveProfile.php

@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2015 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Represents a profile leave node.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Twig_Profiler_Node_LeaveProfile extends Twig_Node
+{
+    public function __construct($varName)
+    {
+        parent::__construct(array(), array('var_name' => $varName));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function compile(Twig_Compiler $compiler)
+    {
+        $compiler
+            ->write("\n")
+            ->write(sprintf("\$%s->leave(\$%s);\n\n", $this->getAttribute('var_name'), $this->getAttribute('var_name').'_prof'))
+        ;
+    }
+}