jsonloader: error catching

haxework/net/JsonLoader.hx

@@ -1,5 +1,6 @@
 package haxework.net;
 
+import flash.errors.Error;
 import flash.events.Event;
 import flash.net.URLLoader;
 import haxe.Json;
@@ -7,6 +8,14 @@ import haxe.Json;
 class JsonLoader extends BaseURLLoader<Dynamic> {
 
   override private function extrudeResult(e:Event):Dynamic {
-    return Json.parse(Std.string(cast(e.currentTarget, URLLoader).data));
+    var str:String = null;
+    var data:Dynamic = null;
+    try {
+      str = Std.string(cast(e.currentTarget, URLLoader).data);
+      data = Json.parse(str);
+    } catch (error:Dynamic) {
+      throw new Error(error + ": " + str);
+    }
+    return data;
   }
 }