--- /dev/null
+<?php
+
+/*
+ * This file is part of Twig.
+ *
+ * (c) Fabien Potencier
+ * (c) Armin Ronacher
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+abstract class Twig_Node_Expression_Unary extends Twig_Node_Expression
+{
+ public function __construct(Twig_NodeInterface $node, $lineno)
+ {
+ parent::__construct(array('node' => $node), array(), $lineno);
+ }
+
+ public function compile(Twig_Compiler $compiler)
+ {
+ $compiler->raw(' ');
+ $this->operator($compiler);
+ $compiler->subcompile($this->getNode('node'));
+ }
+
+ abstract public function operator(Twig_Compiler $compiler);
+}