--- nfo/php/libs/org.netfrag.glib/Class/Abstract.php	2003/03/11 01:10:00	1.4
+++ nfo/php/libs/org.netfrag.glib/Class/Abstract.php	2003/04/05 21:21:44	1.5
@@ -12,9 +12,12 @@
  * <b>Cvs-Log:</b>
  *
  * <pre>
- * $Id: Abstract.php,v 1.4 2003/03/11 01:10:00 joko Exp $
+ * $Id: Abstract.php,v 1.5 2003/04/05 21:21:44 joko Exp $
  *
  * $Log: Abstract.php,v $
+ * Revision 1.5  2003/04/05 21:21:44  joko
+ * modified debug-/log-message building
+ *
  * Revision 1.4  2003/03/11 01:10:00  joko
  * + fixed metadata for phpDocumentor
  *
@@ -59,9 +62,17 @@
     
     $inheritance_tree = php::get_ancestors_class($this);
     array_push($inheritance_tree, get_class($this));
-    $inheritance_tree_serialized = join(' -> ', $inheritance_tree);
     
-    $out = "Base class '$required_by' requires method '$method' to be implemented in inherited class. inheritance_tree: [$inheritance_tree_serialized] (additional info: $message)";
+    $buf_arr = array();
+    $indent = '';
+    foreach ($inheritance_tree as $class) {
+      array_push($buf_arr, $indent . $class);
+      $indent .= '  ';
+    }
+    $buf = join(' -> ' . "\n", $buf_arr);
+    
+    //$out = "Base class '$required_by' requires method '$method' to be implemented in inherited class. inheritance_tree: [$inheritance_tree_serialized] (additional info: $message)";
+    $out = "<pre>Class '$required_by' requires method '$method' to be implemented.\ninheritance tree: {\n$buf\n}\n(additional info: $message)</pre>";
     user_error($out);
 
     $this->__call_concrete_methods(array('about', 'usage'));