[Isolates] Move contents of Top into Isolate....

src/handles.cc

 // Copyright 2009 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 333 matching lines @@
     }
   }
 
   // Only attempt to find the hidden properties in the local object and not
   // in the prototype chain.  Note that HasLocalProperty() can cause a GC in
   // the general case in the presence of interceptors.
   if (!obj->HasHiddenPropertiesObject()) {
     // Hidden properties object not found. Allocate a new hidden properties
     // object if requested. Otherwise return the undefined value.
     if (create_if_needed) {
-      Handle<Object> hidden_obj = Factory::NewJSObject(Top::object_function());
+      Handle<Object> hidden_obj =
+          Factory::NewJSObject(Isolate::Current()->object_function());
       CALL_HEAP_FUNCTION(obj->SetHiddenPropertiesObject(*hidden_obj), Object);
     } else {
       return Factory::undefined_value();
     }
   }
   return Handle<Object>(obj->GetHiddenPropertiesObject());
 }
 
 
 Handle<Object> DeleteElement(Handle<JSObject> obj,
@@ skipping 72 matching lines @@
 
 Handle<JSValue> GetScriptWrapper(Handle<Script> script) {
   if (script->wrapper()->proxy() != NULL) {
     // Return the script wrapper directly from the cache.
     return Handle<JSValue>(
         reinterpret_cast<JSValue**>(script->wrapper()->proxy()));
   }
 
   // Construct a new script wrapper.
   Counters::script_wrappers.Increment();
-  Handle<JSFunction> constructor = Top::script_function();
+  Handle<JSFunction> constructor = Isolate::Current()->script_function();
   Handle<JSValue> result =
       Handle<JSValue>::cast(Factory::NewJSObject(constructor));
   result->set_value(*script);
 
   // Create a new weak global handle and use it to cache the wrapper
   // for future use. The cache will automatically be cleared by the
   // garbage collector when it is not used anymore.
   Handle<Object> handle = GlobalHandles::Create(*result);
   GlobalHandles::MakeWeak(handle.location(), NULL, &ClearWrapperCache);
   script->wrapper()->set_proxy(reinterpret_cast<Address>(handle.location()));
@@ skipping 158 matching lines @@
   }
   return result;
 }
 
 
 Handle<FixedArray> GetKeysInFixedArrayFor(Handle<JSObject> object,
                                           KeyCollectionType type) {
   Handle<FixedArray> content = Factory::empty_fixed_array();
   Handle<JSObject> arguments_boilerplate =
       Handle<JSObject>(
-          Top::context()->global_context()->arguments_boilerplate());
+          Isolate::Current()->context()->global_context()->
+              arguments_boilerplate());
   Handle<JSFunction> arguments_function =
       Handle<JSFunction>(
           JSFunction::cast(arguments_boilerplate->map()->constructor()));
 
   // Only collect keys if access is permitted.
   for (Handle<Object> p = object;
        *p != HEAP->null_value();
        p = Handle<Object>(p->GetPrototype())) {
     Handle<JSObject> current(JSObject::cast(*p));
 
     // Check access rights if required.
     if (current->IsAccessCheckNeeded() &&
-      !Top::MayNamedAccess(*current, HEAP->undefined_value(),
-                           v8::ACCESS_KEYS)) {
-      Top::ReportFailedAccessCheck(*current, v8::ACCESS_KEYS);
+        !Isolate::Current()->MayNamedAccess(*current, HEAP->undefined_value(),
+                                            v8::ACCESS_KEYS)) {
+      Isolate::Current()->ReportFailedAccessCheck(*current, v8::ACCESS_KEYS);
       break;
     }
 
     // Compute the element keys.
     Handle<FixedArray> element_keys =
         Factory::NewFixedArray(current->NumberOfEnumElements());
     current->GetEnumElementKeys(*element_keys);
     content = UnionOfKeys(content, element_keys);
 
     // Add the element keys from the interceptor.
@@ skipping 91 matching lines @@
                     ClearExceptionFlag flag) {
   return shared->is_compiled() || CompileLazyShared(shared, flag);
 }
 
 
 static bool CompileLazyHelper(CompilationInfo* info,
                               ClearExceptionFlag flag) {
   // Compile the source information to a code object.
   ASSERT(!info->shared_info()->is_compiled());
   bool result = Compiler::CompileLazy(info);
-  ASSERT(result != Top::has_pending_exception());
-  if (!result && flag == CLEAR_EXCEPTION) Top::clear_pending_exception();
+  ASSERT(result != Isolate::Current()->has_pending_exception());
+  if (!result && flag == CLEAR_EXCEPTION) {
+    Isolate::Current()->clear_pending_exception();
+  }
   return result;
 }
 
 
 bool CompileLazyShared(Handle<SharedFunctionInfo> shared,
                        ClearExceptionFlag flag) {
   CompilationInfo info(shared);
   return CompileLazyHelper(&info, flag);
 }
 
@@ skipping 47 matching lines @@
 
 OptimizedObjectForAddingMultipleProperties::
 ~OptimizedObjectForAddingMultipleProperties() {
   // Reoptimize the object to allow fast property access.
   if (has_been_transformed_) {
     TransformToFastProperties(object_, unused_property_fields_);
   }
 }
 
 } }  // namespace v8::internal