[json] implement InternalizeJSONProperty in C++.

src/js/json.js

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 (function(global, utils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
 // -------------------------------------------------------------------
 // Imports
 
 var GlobalDate = global.Date;
 var GlobalJSON = global.JSON;
 var GlobalSet = global.Set;
 var InternalArray = utils.InternalArray;
 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol");
 
 // -------------------------------------------------------------------
 
-function CreateDataProperty(o, p, v) {
-  var desc = {value: v, enumerable: true, writable: true, configurable: true};
-  return %reflect_define_property(o, p, desc);
-}
-
-
-function InternalizeJSONProperty(holder, name, reviver) {
-  var val = holder[name];
-  if (IS_RECEIVER(val)) {
-    if (%is_arraylike(val)) {
-      var length = TO_LENGTH(val.length);
-      for (var i = 0; i < length; i++) {
-        var newElement =
-            InternalizeJSONProperty(val, %_NumberToString(i), reviver);
-        if (IS_UNDEFINED(newElement)) {
-          %reflect_delete_property(val, i);
-        } else {
-          CreateDataProperty(val, i, newElement);
-        }
-      }
-    } else {
-      var keys = %object_keys(val);
-      for (var i = 0; i < keys.length; i++) {
-        var p = keys[i];
-        var newElement = InternalizeJSONProperty(val, p, reviver);
-        if (IS_UNDEFINED(newElement)) {
-          %reflect_delete_property(val, p);
-        } else {
-          CreateDataProperty(val, p, newElement);
-        }
-      }
-    }
-  }
-  return %_Call(reviver, holder, name, val);
-}
-
-
 function JSONParse(text, reviver) {
-  var unfiltered = %ParseJson(text);
-  if (IS_CALLABLE(reviver)) {
-    return InternalizeJSONProperty({'': unfiltered}, '', reviver);
-  } else {
-    return unfiltered;
-  }
+  return %ParseJson(text, reviver);
 }
 
 // -------------------------------------------------------------------
 
 %AddNamedProperty(GlobalJSON, toStringTagSymbol, "JSON", READ_ONLY | DONT_ENUM);
 
 // Set up non-enumerable properties of the JSON object.
 utils.InstallFunctions(GlobalJSON, DONT_ENUM, [
   "parse", JSONParse,
 ]);
@@ skipping 10 matching lines @@
   }
   return o.toISOString();
 }
 
 // Set up non-enumerable functions of the Date prototype object.
 utils.InstallFunctions(GlobalDate.prototype, DONT_ENUM, [
   "toJSON", DateToJSON
 ]);
 
 })