Add trait support

Author: markwu

PHPCtags.class.php

@@ -15,6 +15,7 @@ class PHPCtags
         'd' => 'constant',
         'v' => 'variable',
         'i' => 'interface',
+        't' => 'trait',
     );
 
     private $mParser;
@@ -181,6 +182,13 @@ private function struct($node, $reset=FALSE, $parent=array())
             foreach ($node as $subNode) {
                 $this->struct($subNode, FALSE, array('interface' => $name));
             }
+        } elseif ($node instanceof PHPParser_Node_Stmt_Trait ) {
+            $kind = 't';
+            $name = $node->name;
+            $line = $node->getLine();
+            foreach ($node as $subNode) {
+                $this->struct($subNode, FALSE, array('trait' => $name));
+            }
         } elseif ($node instanceof PHPParser_Node_Stmt_Namespace) {
             //@todo
             foreach ($node as $subNode) {