[promisehook] Implement PromiseHook

src/js/promise.js

 // Copyright 2012 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.
 
 (function(global, utils, extrasUtils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 58 matching lines @@
 function PromiseIdRejectHandler(r) { %_ReThrow(r); }
 SET_PRIVATE(PromiseIdRejectHandler, promiseForwardingHandlerSymbol, true);
 
 // -------------------------------------------------------------------
 // Define exported functions.
 
 // For bootstrapper.
 
 // This is used by utils and v8-extras.
 function PromiseCreate() {
-  return %promise_internal_constructor();
+  return %promise_internal_constructor(UNDEFINED);
 }
 
 // Only used by async-await.js
 function RejectPromise(promise, reason, debugEvent) {
   %PromiseReject(promise, reason, debugEvent);
 }
 
 // Export to bindings
 function DoRejectPromise(promise, reason) {
   %PromiseReject(promise, reason, true);
 }
 
 // The resultCapability.promise is only ever fulfilled internally,
 // so we don't need the closures to protect against accidentally
 // calling them multiple times.
-function CreateInternalPromiseCapability() {
+function CreateInternalPromiseCapability(parent) {
   return {
-    promise: %promise_internal_constructor(),
+    promise: %promise_internal_constructor(parent),
     resolve: UNDEFINED,
     reject: UNDEFINED
   };
 }
 
 // ES#sec-newpromisecapability
 // NewPromiseCapability ( C )
 function NewPromiseCapability(C, debugEvent) {
   if (C === GlobalPromise) {
     // Optimized case, avoid extra closure.
-    var promise = %promise_internal_constructor();
+    var promise = %promise_internal_constructor(UNDEFINED);
     // TODO(gsathya): Remove container for callbacks when this is
     // moved to CPP/TF.
     var callbacks = %create_resolving_functions(promise, debugEvent);
     return {
       promise: promise,
       resolve: callbacks[kResolveCallback],
       reject: callbacks[kRejectCallback]
     };
   }
 
@@ skipping 42 matching lines @@
 // ES#sec-promise.resolve
 // Promise.resolve ( x )
 function PromiseResolve(x) {
   if (!IS_RECEIVER(this)) {
     throw %make_type_error(kCalledOnNonObject, PromiseResolve);
   }
   if (%is_promise(x) && x.constructor === this) return x;
 
   // Avoid creating resolving functions.
   if (this === GlobalPromise) {
-    var promise = %promise_internal_constructor();
+    var promise = %promise_internal_constructor(UNDEFINED);
     %promise_resolve(promise, x);
     return promise;
   }
 
   // debugEvent is not so meaningful here as it will be resolved
   var promiseCapability = NewPromiseCapability(this, true);
   %_Call(promiseCapability.resolve, UNDEFINED, x);
   return promiseCapability.promise;
 }
 
@@ skipping 205 matching lines @@
 
 utils.Export(function(to) {
   to.PromiseCreate = PromiseCreate;
   to.PromiseThen = PromiseThen;
 
   to.CreateInternalPromiseCapability = CreateInternalPromiseCapability;
   to.RejectPromise = RejectPromise;
 });
 
 })