[builtins] Migrate a bunch of Object builtins to C++.

src/bootstrapper.cc

 // Copyright 2014 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.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
@@ skipping 1026 matching lines @@
                                                 Handle<String> name,
                                                 Builtins::Name call, int len,
                                                 bool adapt) {
   Handle<JSFunction> fun =
       SimpleCreateFunction(base->GetIsolate(), name, call, len, adapt);
   InstallFunction(base, fun, name, DONT_ENUM);
   return fun;
 }
 
 
+static Handle<JSFunction> SimpleInstallFunction(Handle<JSObject> base,
+                                                const char* name,
+                                                Builtins::Name call, int len,
+                                                bool adapt) {
+  Factory* const factory = base->GetIsolate()->factory();
+  return SimpleInstallFunction(base, factory->InternalizeUtf8String(name), call,
+                               len, adapt);
+}
+
+
 static void InstallWithIntrinsicDefaultProto(Isolate* isolate,
                                              Handle<JSFunction> function,
                                              int context_index) {
   Handle<Smi> index(Smi::FromInt(context_index), isolate);
   JSObject::AddProperty(
       function, isolate->factory()->native_context_index_symbol(), index, NONE);
   isolate->native_context()->set(context_index, *function);
 }
 
 
@@ skipping 14 matching lines @@
   native_context()->set_security_token(*global_object);
 
   Isolate* isolate = global_object->GetIsolate();
   Factory* factory = isolate->factory();
 
   Handle<ScriptContextTable> script_context_table =
       factory->NewScriptContextTable();
   native_context()->set_script_context_table(*script_context_table);
   InstallGlobalThisBinding();
 
-  Handle<String> object_name = factory->Object_string();
-  JSObject::AddProperty(
-      global_object, object_name, isolate->object_function(), DONT_ENUM);
-  SimpleInstallFunction(isolate->object_function(), factory->assign_string(),
-                        Builtins::kObjectAssign, 2, false);
-  SimpleInstallFunction(isolate->object_function(), factory->create_string(),
-                        Builtins::kObjectCreate, 2, false);
+  {  // --- O b j e c t ---
+    Handle<String> object_name = factory->Object_string();
+    Handle<JSFunction> object_function = isolate->object_function();
+    JSObject::AddProperty(global_object, object_name, object_function,
+                          DONT_ENUM);
+    SimpleInstallFunction(object_function, factory->assign_string(),
+                          Builtins::kObjectAssign, 2, false);
+    SimpleInstallFunction(object_function, factory->create_string(),
+                          Builtins::kObjectCreate, 2, false);
+    Handle<JSFunction> object_freeze = SimpleInstallFunction(
+        object_function, "freeze", Builtins::kObjectFreeze, 1, false);
+    native_context()->set_object_freeze(*object_freeze);
+    Handle<JSFunction> object_is_extensible =
+        SimpleInstallFunction(object_function, "isExtensible",
+                              Builtins::kObjectIsExtensible, 1, false);
+    native_context()->set_object_is_extensible(*object_is_extensible);
+    Handle<JSFunction> object_is_frozen = SimpleInstallFunction(
+        object_function, "isFrozen", Builtins::kObjectIsFrozen, 1, false);
+    native_context()->set_object_is_frozen(*object_is_frozen);
+    Handle<JSFunction> object_is_sealed = SimpleInstallFunction(
+        object_function, "isSealed", Builtins::kObjectIsSealed, 1, false);
+    native_context()->set_object_is_sealed(*object_is_sealed);
+    SimpleInstallFunction(object_function, "preventExtensions",
+                          Builtins::kObjectPreventExtensions, 1, false);
+    SimpleInstallFunction(object_function, "seal", Builtins::kObjectSeal, 1,
+                          false);
+  }
 
   Handle<JSObject> global(native_context()->global_object());
 
   {  // --- F u n c t i o n ---
     Handle<JSFunction> function_function =
         InstallFunction(global, "Function", JS_FUNCTION_TYPE, JSFunction::kSize,
                         empty_function, Builtins::kFunctionConstructor);
     function_function->set_prototype_or_initial_map(
         *sloppy_function_map_writable_prototype_);
     function_function->shared()->DontAdaptArguments();
@@ skipping 2284 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8