Added handles to the mirror objects. When a mirror for an object is created...

src/debug-delay.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 976 matching lines @@
     json += ',"command":' + StringToJSON_(this.command);
   }
   if (this.success) {
     json += ',"success":' + this.success;
   } else {
     json += ',"success":false';
   }
   if (this.body) {
     json += ',"body":';
     // Encode the body part.
-    if (this.body.toJSONProtocol) {
-      json += this.body.toJSONProtocol(true);
+    var serializer = MakeMirrorSerializer(true);
+    if (this.body instanceof Mirror) {
+      json += serializer.serializeValue(this.body);
     } else if (this.body instanceof Array) {
       json += '[';
       for (var i = 0; i < this.body.length; i++) {
         if (i != 0) json += ',';
-        if (this.body[i].toJSONProtocol) {
-          json += this.body[i].toJSONProtocol(true)
+        if (this.body[i] instanceof Mirror) {
+          json += serializer.serializeValue(this.body[i]);
         } else {
-          json += SimpleObjectToJSON_(this.body[i]);
+          json += SimpleObjectToJSON_(this.body[i], serializer);
         }
       }
       json += ']';
     } else {
-      json += SimpleObjectToJSON_(this.body);
+      json += SimpleObjectToJSON_(this.body, serializer);
     }
+    json += ',"refs":';
+    json += serializer.serializeReferencedObjects();
   }
   if (this.message) {
     json += ',"message":' + StringToJSON_(this.message) ;
   }
   if (this.running) {
     json += ',"running":true';
   } else {
     json += ',"running":false';
   }
   json += '}';
@@ skipping 538 matching lines @@
 
 /**
  * Convert an Object to its JSON representation (see http://www.json.org/).
  * This implementation simply runs through all string property names and adds
  * each property to the JSON representation for some predefined types. For type
  * "object" the function calls itself recursively unless the object has the
  * function property "toJSONProtocol" in which case that is used. This is not
  * a general implementation but sufficient for the debugger. Note that circular
  * structures will cause infinite recursion.
  * @param {Object} object The object to format as JSON
+ * @param {MirrorSerializer} mirror_serializer The serializer to use if any
+ *     mirror objects are encountered.
  * @return {string} JSON formatted object value
  */
-function SimpleObjectToJSON_(object) {
+function SimpleObjectToJSON_(object, mirror_serializer) {
   var content = [];
   for (var key in object) {
     // Only consider string keys.
     if (typeof key == 'string') {
       var property_value = object[key];
 
       // Format the value based on its type.
       var property_value_json;
       switch (typeof property_value) {
         case 'object':
           if (typeof property_value.toJSONProtocol == 'function') {
             property_value_json = property_value.toJSONProtocol(true)
           } else if (IS_ARRAY(property_value)){
-            property_value_json = SimpleArrayToJSON_(property_value);
+            property_value_json = SimpleArrayToJSON_(property_value, mirror_serializer);
           } else {
-            property_value_json = SimpleObjectToJSON_(property_value);
+            property_value_json = SimpleObjectToJSON_(property_value, mirror_serializer);
           }
           break;
 
         case 'boolean':
           property_value_json = BooleanToJSON_(property_value);
           break;
 
         case 'number':
           property_value_json = NumberToJSON_(property_value);
           break;
@@ skipping 13 matching lines @@
     }
   }
 
   // Make JSON object representation.
   return '{' + content.join(',') + '}';
 }
 
 /**
  * Convert an array to its JSON representation. This is a VERY simple
  * implementation just to support what is needed for the debugger.
- * @param {Array} arrya The array to format as JSON
+ * @param {Array} array The array to format as JSON
+ * @param {MirrorSerializer} mirror_serializer The serializer to use if any
+ *     mirror objects are encountered.
  * @return {string} JSON formatted array value
  */
-function SimpleArrayToJSON_(array) {
+function SimpleArrayToJSON_(array, mirror_serializer) {
   // Make JSON array representation.
   var json = '[';
   for (var i = 0; i < array.length; i++) {
     if (i != 0) {
       json += ',';
     }
     var elem = array[i];
-    if (elem.toJSONProtocol) {
-      json += elem.toJSONProtocol(true)
+    if (elem instanceof Mirror) {
+      json += mirror_serializer.serializeValue(elem);
     } else if (IS_OBJECT(elem))  {
       json += SimpleObjectToJSON_(elem);
     } else if (IS_BOOLEAN(elem)) {
       json += BooleanToJSON_(elem);
     } else if (IS_NUMBER(elem)) {
       json += NumberToJSON_(elem);
     } else if (IS_STRING(elem)) {
       json += StringToJSON_(elem);
     } else {
       json += elem;
     }
   }
   json += ']';
   return json;
 }