diff -r 6d109e3804ac -r 9a001a04b634 Twig-1.3.0/lib/Twig/Node/Expression/Function.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Twig-1.3.0/lib/Twig/Node/Expression/Function.php	Tue Oct 25 23:56:28 2011 +0200
@@ -0,0 +1,49 @@
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) 2010 Fabien Potencier
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+class Twig_Node_Expression_Function extends Twig_Node_Expression
+{
+    public function __construct($name, Twig_NodeInterface $arguments, $lineno)
+    {
+        parent::__construct(array('arguments' => $arguments), array('name' => $name), $lineno);
+    }
+
+    public function compile(Twig_Compiler $compiler)
+    {
+        $function = $compiler->getEnvironment()->getFunction($this->getAttribute('name'));
+        if (false === $function) {
+            throw new Twig_Error_Syntax(sprintf('The function "%s" does not exist', $this->getAttribute('name')), $this->getLine());
+        }
+
+        $compiler
+            ->raw($function->compile().'(')
+            ->raw($function->needsEnvironment() ? '$this->env' : '')
+        ;
+
+        if ($function->needsContext()) {
+            $compiler->raw($function->needsEnvironment() ? ', $context' : '$context');
+        }
+
+        $first = true;
+        foreach ($this->getNode('arguments') as $node) {
+            if (!$first) {
+                $compiler->raw(', ');
+            } else {
+                if ($function->needsEnvironment() || $function->needsContext()) {
+                    $compiler->raw(', ');
+                }
+                $first = false;
+            }
+            $compiler->subcompile($node);
+        }
+
+        $compiler->raw(')');
+    }
+}