Add a --harmony-object-observe runtime flag (on by default)

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/base/utils/random-number-generator.h"
 #include "src/code-stubs.h"
@@ skipping 1833 matching lines @@
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_sloppy)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_sloppy_let)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_unicode)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_unicode_regexps)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_computed_property_names)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_rest_parameters)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_reflect)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spreadcalls)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_destructuring)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_object)
+EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_object_observe)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spread_arrays)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_sharedarraybuffer)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_atomics)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_new_target)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_concat_spreadable)
 EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_simd)
 
 
 void Genesis::InstallNativeFunctions_harmony_proxies() {
   if (FLAG_harmony_proxies) {
@@ skipping 15 matching lines @@
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_arrow_functions)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_proxies)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy_let)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_unicode)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_computed_property_names)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_rest_parameters)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_spreadcalls)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_destructuring)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_object)
+EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_object_observe)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_spread_arrays)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_atomics)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_new_target)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_concat_spreadable)
 
 void Genesis::InitializeGlobal_harmony_regexps() {
   Handle<JSObject> builtins(native_context()->builtins());
 
   Handle<HeapObject> flag(FLAG_harmony_regexps ? heap()->true_value()
                                                : heap()->false_value());
@@ skipping 667 matching lines @@
   static const char* harmony_unicode_regexps_natives[] = {nullptr};
   static const char* harmony_computed_property_names_natives[] = {nullptr};
   static const char* harmony_rest_parameters_natives[] = {nullptr};
   static const char* harmony_reflect_natives[] = {"native harmony-reflect.js",
                                                   nullptr};
   static const char* harmony_spreadcalls_natives[] = {
       "native harmony-spread.js", nullptr};
   static const char* harmony_destructuring_natives[] = {nullptr};
   static const char* harmony_object_natives[] = {"native harmony-object.js",
                                                  NULL};
+  static const char* harmony_object_observe_natives[] = {
+      "native harmony-object-observe.js", nullptr};
   static const char* harmony_spread_arrays_natives[] = {nullptr};
   static const char* harmony_sharedarraybuffer_natives[] = {
       "native harmony-sharedarraybuffer.js", NULL};
   static const char* harmony_atomics_natives[] = {"native harmony-atomics.js",
                                                   nullptr};
   static const char* harmony_new_target_natives[] = {nullptr};
   static const char* harmony_concat_spreadable_natives[] = {
       "native harmony-concat-spreadable.js", nullptr};
   static const char* harmony_simd_natives[] = {"native harmony-simd.js",
                                                nullptr};
@@ skipping 668 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8