[BUG FIX] Fix #3: $this->obj->$var generates fatal error

Author: weynhamz

PHPCtags.class.php

@@ -112,10 +112,12 @@ private function struct($node, $reset=FALSE, $parent=array())
         } elseif ($node instanceof PHPParser_Node_Stmt_Namespace) {
             //@todo
         } elseif ($node instanceof PHPParser_Node_Expr_Assign) {
-            $kind = 'v';
-            $node = $node->var;
-            $name = $node->name;
-            $line = $node->getLine();
+            if(is_string($node->var->name)) {
+                $kind = 'v';
+                $node = $node->var;
+                $name = $node->name;
+                $line = $node->getLine();
+            }
         } elseif ($node instanceof PHPParser_Node_Expr_FuncCall) {
             switch ($node->name) {
                 case 'define':

tests/examples/bugfix_0003.example.define.php

@@ -0,0 +1,20 @@
+<?php
+function e_bugfix_0003_define()
+{
+    return array(
+        array(
+            'name'=>'DbConnectionUserDecorator',
+            'kind'=>'c',
+            'line'=>'2',
+            'scope'=>'',
+            'access'=>'',
+        ),
+        array(
+            'name'=>'__set',
+            'kind'=>'m',
+            'line'=>'3',
+            'scope'=>'class:DbConnectionUserDecorator',
+            'access'=>'public',
+        ),
+    );
+}

tests/examples/bugfix_0003.example.php

@@ -0,0 +1,6 @@
+<?php
+class DbConnectionUserDecorator {
+    public function __set($key, $value) {
+        $this->conn->$key = $value;
+    }
+}

tests/testcases/bugfix_0003.testcase.php

@@ -0,0 +1,10 @@
+<?php
+class t_bugfix_0003 extends PHPCtagsTestCase {
+
+    public function __construct()
+    {
+        parent::__construct();
+        $this->mExample = 'bugfix_0003';
+    }
+
+}