Adding Date::ResetCache() API so that the cache values in the Date object...

src/api.cc

 // Copyright 2010 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 3784 matching lines @@
 
 double v8::Date::NumberValue() const {
   if (IsDeadCheck("v8::Date::NumberValue()")) return 0;
   LOG_API("Date::NumberValue");
   i::Handle<i::Object> obj = Utils::OpenHandle(this);
   i::Handle<i::JSValue> jsvalue = i::Handle<i::JSValue>::cast(obj);
   return jsvalue->value()->Number();
 }
 
 
+void v8::Date::ResetCache() {
+  ON_BAILOUT("v8::Date::ResetCache()", return);
+  LOG_API("Date::ResetCache");
+  ENTER_V8;
+
+  HandleScope scope;
+
+  // Get the function ResetDateCache (defined in date-delay.js).
+  i::Handle<i::String> func_name_str =
+      i::Factory::LookupAsciiSymbol("ResetDateCache");
+  i::MaybeObject* result = i::Top::builtins()->GetProperty(*func_name_str);
+  i::Object* object_func;
+  if (!result->ToObject(&object_func)) {
+    return;
+  }
+
+  if (object_func->IsJSFunction()) {
+    i::Handle<i::JSFunction> func =
+        i::Handle<i::JSFunction>(i::JSFunction::cast(object_func));
+
+    // Call ResetDateCache(0 but expect no exceptions:
+    bool caught_exception = false;
+    i::Handle<i::Object> result =
+        i::Execution::TryCall(func, i::Top::builtins(), 0, NULL,
+        &caught_exception);
+  }
+}
+
+
 static i::Handle<i::String> RegExpFlagsToString(RegExp::Flags flags) {
   char flags_buf[3];
   int num_flags = 0;
   if ((flags & RegExp::kGlobal) != 0) flags_buf[num_flags++] = 'g';
   if ((flags & RegExp::kMultiline) != 0) flags_buf[num_flags++] = 'm';
   if ((flags & RegExp::kIgnoreCase) != 0) flags_buf[num_flags++] = 'i';
   ASSERT(num_flags <= static_cast<int>(ARRAY_SIZE(flags_buf)));
   return i::Factory::LookupSymbol(
       i::Vector<const char>(flags_buf, num_flags));
 }
@@ skipping 1292 matching lines @@
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
   HandleScopeImplementer* thread_local =
       reinterpret_cast<HandleScopeImplementer*>(storage);
   thread_local->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal