Generic object support

Author: aleksip

src/aleksip/DataTransformPlugin/Twig/PatternDataNodeTrait.php

@@ -37,15 +37,20 @@ public function setData($data)
                 $this->setData($v);
             }
             $this->data .= ')';
-        } elseif ($data instanceof Attribute) {
-            $this->data .= 'new \Drupal\Core\Template\Attribute(';
-            $this->setData($data->toArray());
+        } elseif (is_object($data)) {
+            $this->data .= 'unserialize(';
+            $this->data .= $this->string(serialize($data));
             $this->data .= ')';
         } else {
-            $this->data .= sprintf('"%s"', addcslashes($data, "\0\t\"\$\\"));
+            $this->data .= $this->string($data);
         }
     }
 
+    protected function string($value)
+    {
+        return sprintf('"%s"', addcslashes($value, "\0\t\"\$\\"));
+    }
+
     protected function addTemplateArguments(\Twig_Compiler $compiler)
     {
         $variables = $this->hasNode('variables')