Version 2.5.2

src/api.cc

Index: src/api.cc
diff --git a/src/api.cc b/src/api.cc
index 962723d4e8811b831b1f637b003a1e32a5dd887f..2df31df35330a0278c3a5a6472bddd9c08a4c48a 100644
--- a/src/api.cc
+++ b/src/api.cc
@@ -457,19 +457,37 @@ void V8::DisposeGlobal(i::Object** obj) {
 // --- H a n d l e s ---
 
 
-HandleScope::HandleScope() : is_closed_(false) {
+HandleScope::HandleScope()
+    : prev_next_(i::HandleScope::current_.next),
+      prev_limit_(i::HandleScope::current_.limit),
+      is_closed_(false) {
   API_ENTRY_CHECK("HandleScope::HandleScope");
-  i::HandleScope::Enter(&previous_);
+  i::HandleScope::current_.level++;
 }
 
 
 HandleScope::~HandleScope() {
   if (!is_closed_) {
-    i::HandleScope::Leave(&previous_);
+    Leave();
   }
 }
 
 
+void HandleScope::Leave() {
+  i::HandleScope::current_.level--;
+  ASSERT(i::HandleScope::current_.level >= 0);
+  i::HandleScope::current_.next = prev_next_;
+  if (i::HandleScope::current_.limit != prev_limit_) {
+    i::HandleScope::current_.limit = prev_limit_;
+    i::HandleScope::DeleteExtensions();
+  }
+
+#ifdef DEBUG
+  i::HandleScope::ZapRange(prev_next_, prev_limit_);
+#endif
+}
+
+
 int HandleScope::NumberOfHandles() {
   return i::HandleScope::NumberOfHandles();
 }
@@ -553,7 +571,7 @@ i::Object** v8::HandleScope::RawClose(i::Object** value) {
     result = *value;
   }
   is_closed_ = true;
-  i::HandleScope::Leave(&previous_);
+  Leave();
 
   if (value == NULL) {
     return NULL;
@@ -1489,7 +1507,8 @@ static i::Handle<i::Object> CallV8HeapFunction(const char* name,
                                                i::Object** argv[],
                                                bool* has_pending_exception) {
   i::Handle<i::String> fmt_str = i::Factory::LookupAsciiSymbol(name);
-  i::Object* object_fun = i::Top::builtins()->GetProperty(*fmt_str);
+  i::Object* object_fun =
+      i::Top::builtins()->GetPropertyNoExceptionThrown(*fmt_str);
   i::Handle<i::JSFunction> fun =
       i::Handle<i::JSFunction>(i::JSFunction::cast(object_fun));
   i::Handle<i::Object> value =
@@ -1605,7 +1624,8 @@ Local<StackFrame> StackTrace::GetFrame(uint32_t index) const {
   ENTER_V8;
   HandleScope scope;
   i::Handle<i::JSArray> self = Utils::OpenHandle(this);
-  i::Handle<i::JSObject> obj(i::JSObject::cast(self->GetElement(index)));
+  i::Object* raw_object = self->GetElementNoExceptionThrown(index);
+  i::Handle<i::JSObject> obj(i::JSObject::cast(raw_object));
   return scope.Close(Utils::StackFrameToLocal(obj));
 }
 
@@ -2521,10 +2541,12 @@ Local<Value> v8::Object::GetRealNamedPropertyInPrototypeChain(
   self_obj->LookupRealNamedPropertyInPrototypes(*key_obj, &lookup);
   if (lookup.IsProperty()) {
     PropertyAttributes attributes;
-    i::Handle<i::Object> result(self_obj->GetProperty(*self_obj,
-                                                      &lookup,
-                                                      *key_obj,
-                                                      &attributes));
+    i::Object* property =
+        self_obj->GetProperty(*self_obj,
+                              &lookup,
+                              *key_obj,
+                              &attributes)->ToObjectUnchecked();
+    i::Handle<i::Object> result(property);
     return Utils::ToLocal(result);
   }
   return Local<Value>();  // No real property was found in prototype chain.
@@ -2540,10 +2562,12 @@ Local<Value> v8::Object::GetRealNamedProperty(Handle<String> key) {
   self_obj->LookupRealNamedProperty(*key_obj, &lookup);
   if (lookup.IsProperty()) {
     PropertyAttributes attributes;
-    i::Handle<i::Object> result(self_obj->GetProperty(*self_obj,
-                                                      &lookup,
-                                                      *key_obj,
-                                                      &attributes));
+    i::Object* property =
+        self_obj->GetProperty(*self_obj,
+                              &lookup,
+                              *key_obj,
+                              &attributes)->ToObjectUnchecked();
+    i::Handle<i::Object> result(property);
     return Utils::ToLocal(result);
   }
   return Local<Value>();  // No real property was found in prototype chain.