Issue #1322 - Part 1: Remove the DOM Promise guts.

This removes all the parts guarded by SPIDERMONKEY_PROMISE

1 files changed, 0 insertions, 315 deletions

diff --git a/dom/promise/Promise.h b/dom/promise/Promise.h
index 642603a11..77914079a 100644
--- a/dom/promise/Promise.h
+++ b/dom/promise/Promise.h
@@ -21,17 +21,6 @@
 #include "js/TypeDecls.h"
 #include "jspubtd.h"
 
-// Bug 1083361 introduces a new mechanism for tracking uncaught
-// rejections. This #define serves to track down the parts of code
-// that need to be removed once clients have been put together
-// to take advantage of the new mechanism. New code should not
-// depend on code #ifdefed to this #define.
-#define DOM_PROMISE_DEPRECATED_REPORTING !SPIDERMONKEY_PROMISE
-
-#if defined(DOM_PROMISE_DEPRECATED_REPORTING)
-#include "mozilla/dom/workers/bindings/WorkerHolder.h"
-#endif // defined(DOM_PROMISE_DEPRECATED_REPORTING)
-
 class nsIGlobalObject;
 
 namespace mozilla {
@@ -40,88 +29,36 @@ namespace dom {
 class AnyCallback;
 class DOMError;
 class MediaStreamError;
-class PromiseCallback;
 class PromiseInit;
 class PromiseNativeHandler;
 class PromiseDebugging;
 
-class Promise;
-
-#if defined(DOM_PROMISE_DEPRECATED_REPORTING)
-class PromiseReportRejectWorkerHolder : public workers::WorkerHolder
-{
-  // PromiseReportRejectWorkerHolder is held by an nsAutoPtr on the Promise
-  // which means that this object will be destroyed before the Promise is
-  // destroyed.
-  Promise* MOZ_NON_OWNING_REF mPromise;
-
-public:
-  explicit PromiseReportRejectWorkerHolder(Promise* aPromise)
-    : mPromise(aPromise)
-  {
-    MOZ_ASSERT(mPromise);
-  }
-
-  virtual bool
-  Notify(workers::Status aStatus) override;
-};
-#endif // defined(DOM_PROMISE_DEPRECATED_REPORTING)
-
 #define NS_PROMISE_IID \
   { 0x1b8d6215, 0x3e67, 0x43ba, \
     { 0x8a, 0xf9, 0x31, 0x5e, 0x8f, 0xce, 0x75, 0x65 } }
 
 class Promise : public nsISupports,
-#ifndef SPIDERMONKEY_PROMISE
-                // Only wrappercached when we're not using SpiderMonkey
-                // promises, because those don't have a useful object moved
-                // hook, which wrappercache needs.
-                public nsWrapperCache,
-#endif // SPIDERMONKEY_PROMISE
                 public SupportsWeakPtr<Promise>
 {
-  friend class NativePromiseCallback;
-  friend class PromiseReactionJob;
-  friend class PromiseResolverTask;
   friend class PromiseTask;
-#if defined(DOM_PROMISE_DEPRECATED_REPORTING)
-  friend class PromiseReportRejectWorkerHolder;
-#endif // defined(DOM_PROMISE_DEPRECATED_REPORTING)
   friend class PromiseWorkerProxy;
   friend class PromiseWorkerProxyRunnable;
-  friend class RejectPromiseCallback;
-  friend class ResolvePromiseCallback;
-  friend class PromiseResolveThenableJob;
-  friend class FastPromiseResolveThenableJob;
-  friend class WrapperPromiseCallback;
 
 public:
   NS_DECLARE_STATIC_IID_ACCESSOR(NS_PROMISE_IID)
   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
-#ifdef SPIDERMONKEY_PROMISE
-  // We're not skippable, since we're not owned from JS to start with.
   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Promise)
-#else // SPIDERMONKEY_PROMISE
-  NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS(Promise)
-#endif // SPIDERMONKEY_PROMISE
   MOZ_DECLARE_WEAKREFERENCE_TYPENAME(Promise)
 
   // Promise creation tries to create a JS reflector for the Promise, so is
   // fallible.  Furthermore, we don't want to do JS-wrapping on a 0-refcount
   // object, so we addref before doing that and return the addrefed pointer
   // here.
-#ifdef SPIDERMONKEY_PROMISE
   static already_AddRefed<Promise>
   Create(nsIGlobalObject* aGlobal, ErrorResult& aRv);
 
   // Reports a rejected Promise by sending an error report.
   static void ReportRejectedPromise(JSContext* aCx, JS::HandleObject aPromise);
-#else
-  static already_AddRefed<Promise>
-  Create(nsIGlobalObject* aGlobal, ErrorResult& aRv,
-         // Passing null for aDesiredProto will use Promise.prototype.
-         JS::Handle<JSObject*> aDesiredProto = nullptr);
-#endif // SPIDERMONKEY_PROMISE
 
   typedef void (Promise::*MaybeFunc)(JSContext* aCx,
                                      JS::Handle<JS::Value> aValue);
@@ -183,7 +120,6 @@ public:
     return mGlobal;
   }
 
-#ifdef SPIDERMONKEY_PROMISE
   bool
   WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
              JS::MutableHandle<JSObject*> aWrapper);
@@ -223,95 +159,17 @@ public:
     return mPromiseObj;
   }
 
-#else // SPIDERMONKEY_PROMISE
-  JSObject* PromiseObj()
-  {
-    return GetWrapper();
-  }
-
-  virtual JSObject*
-  WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
-
-  static already_AddRefed<Promise>
-  Constructor(const GlobalObject& aGlobal, PromiseInit& aInit,
-              ErrorResult& aRv, JS::Handle<JSObject*> aDesiredProto);
-
-  static void
-  Resolve(const GlobalObject& aGlobal, JS::Handle<JS::Value> aThisv,
-          JS::Handle<JS::Value> aValue,
-          JS::MutableHandle<JS::Value> aRetval, ErrorResult& aRv);
-
-  static already_AddRefed<Promise>
-  Resolve(nsIGlobalObject* aGlobal, JSContext* aCx,
-          JS::Handle<JS::Value> aValue, ErrorResult& aRv);
-
-  static void
-  Reject(const GlobalObject& aGlobal, JS::Handle<JS::Value> aThisv,
-         JS::Handle<JS::Value> aValue,
-         JS::MutableHandle<JS::Value> aRetval, ErrorResult& aRv);
-
-  static already_AddRefed<Promise>
-  Reject(nsIGlobalObject* aGlobal, JSContext* aCx,
-         JS::Handle<JS::Value> aValue, ErrorResult& aRv);
-
-  void
-  Then(JSContext* aCx,
-       // aCalleeGlobal may not be in the compartment of aCx, when called over
-       // Xrays.
-       JS::Handle<JSObject*> aCalleeGlobal,
-       AnyCallback* aResolveCallback, AnyCallback* aRejectCallback,
-       JS::MutableHandle<JS::Value> aRetval,
-       ErrorResult& aRv);
-
-  void
-  Catch(JSContext* aCx,
-        AnyCallback* aRejectCallback,
-        JS::MutableHandle<JS::Value> aRetval,
-        ErrorResult& aRv);
-
-  static void
-  All(const GlobalObject& aGlobal, JS::Handle<JS::Value> aThisv,
-      JS::Handle<JS::Value> aIterable, JS::MutableHandle<JS::Value> aRetval,
-      ErrorResult& aRv);
-
-  static already_AddRefed<Promise>
-  All(const GlobalObject& aGlobal,
-      const nsTArray<RefPtr<Promise>>& aPromiseList, ErrorResult& aRv);
-
-  static void
-  Race(const GlobalObject& aGlobal, JS::Handle<JS::Value> aThisv,
-       JS::Handle<JS::Value> aIterable, JS::MutableHandle<JS::Value> aRetval,
-       ErrorResult& aRv);
-
-  static bool
-  PromiseSpecies(JSContext* aCx, unsigned aArgc, JS::Value* aVp);
-#endif // SPIDERMONKEY_PROMISE
-
   void AppendNativeHandler(PromiseNativeHandler* aRunnable);
 
   JSObject* GlobalJSObject() const;
 
   JSCompartment* Compartment() const;
 
-#ifndef SPIDERMONKEY_PROMISE
-  // Return a unique-to-the-process identifier for this Promise.
-  uint64_t GetID();
-#endif // SPIDERMONKEY_PROMISE
-
-#ifndef SPIDERMONKEY_PROMISE
-  enum JSCallbackSlots {
-    SLOT_PROMISE = 0,
-    SLOT_DATA
-  };
-#endif // SPIDERMONKEY_PROMISE
-
-#ifdef SPIDERMONKEY_PROMISE
   // Create a dom::Promise from a given SpiderMonkey Promise object.
   // aPromiseObj MUST be in the compartment of aGlobal's global JS object.
   static already_AddRefed<Promise>
   CreateFromExisting(nsIGlobalObject* aGlobal,
                      JS::Handle<JSObject*> aPromiseObj);
-#endif // SPIDERMONKEY_PROMISE
 
   enum class PromiseState {
     Pending,
@@ -335,99 +193,7 @@ protected:
   // use the default prototype for the sort of Promise we have.
   void CreateWrapper(JS::Handle<JSObject*> aDesiredProto, ErrorResult& aRv);
 
-#ifndef SPIDERMONKEY_PROMISE
-  // Create the JS resolving functions of resolve() and reject(). And provide
-  // references to the two functions by calling PromiseInit passed from Promise
-  // constructor.
-  void CallInitFunction(const GlobalObject& aGlobal, PromiseInit& aInit,
-                        ErrorResult& aRv);
-
-  // The NewPromiseCapability function from
-  // <http://www.ecma-international.org/ecma-262/6.0/#sec-newpromisecapability>.
-  // Errors are communicated via aRv.  If aForceCallbackCreation is
-  // true, then this function will ensure that aCapability has a
-  // useful mResolve/mReject even if mNativePromise is non-null.
-  static void NewPromiseCapability(JSContext* aCx, nsIGlobalObject* aGlobal,
-                                   JS::Handle<JS::Value> aConstructor,
-                                   bool aForceCallbackCreation,
-                                   PromiseCapability& aCapability,
-                                   ErrorResult& aRv);
-
-  bool IsPending()
-  {
-    return mResolvePending;
-  }
-
-  void GetDependentPromises(nsTArray<RefPtr<Promise>>& aPromises);
-
-  bool IsLastInChain() const
-  {
-    return mIsLastInChain;
-  }
-
-  void SetNotifiedAsUncaught()
-  {
-    mWasNotifiedAsUncaught = true;
-  }
-
-  bool WasNotifiedAsUncaught() const
-  {
-    return mWasNotifiedAsUncaught;
-  }
-#endif // SPIDERMONKEY_PROMISE
-
 private:
-#ifndef SPIDERMONKEY_PROMISE
-  friend class PromiseDebugging;
-
-  void SetState(PromiseState aState)
-  {
-    MOZ_ASSERT(mState == Pending);
-    MOZ_ASSERT(aState != Pending);
-    mState = aState;
-  }
-
-  void SetResult(JS::Handle<JS::Value> aValue)
-  {
-    mResult = aValue;
-  }
-
-  // This method enqueues promise's resolve/reject callbacks with promise's
-  // result. It's executed when the resolver.resolve() or resolver.reject() is
-  // called or when the promise already has a result and new callbacks are
-  // appended by then() or catch().
-  void TriggerPromiseReactions();
-
-  void Settle(JS::Handle<JS::Value> aValue, Promise::PromiseState aState);
-  void MaybeSettle(JS::Handle<JS::Value> aValue, Promise::PromiseState aState);
-
-  void AppendCallbacks(PromiseCallback* aResolveCallback,
-                       PromiseCallback* aRejectCallback);
-
-#if defined(DOM_PROMISE_DEPRECATED_REPORTING)
-  // If we have been rejected and our mResult is a JS exception,
-  // report it to the error console.
-  // Use MaybeReportRejectedOnce() for actual calls.
-  void MaybeReportRejected();
-
-  void MaybeReportRejectedOnce() {
-    MaybeReportRejected();
-    RemoveWorkerHolder();
-    mResult.setUndefined();
-  }
-#endif // defined(DOM_PROMISE_DEPRECATED_REPORTING)
-
-  void MaybeResolveInternal(JSContext* aCx,
-                            JS::Handle<JS::Value> aValue);
-  void MaybeRejectInternal(JSContext* aCx,
-                           JS::Handle<JS::Value> aValue);
-
-  void ResolveInternal(JSContext* aCx,
-                       JS::Handle<JS::Value> aValue);
-  void RejectInternal(JSContext* aCx,
-                      JS::Handle<JS::Value> aValue);
-#endif // SPIDERMONKEY_PROMISE
-
   template <typename T>
   void MaybeSomething(T& aArgument, MaybeFunc aFunc) {
     MOZ_ASSERT(PromiseObj()); // It was preserved!
@@ -444,92 +210,11 @@ private:
     (this->*aFunc)(cx, val);
   }
 
-#ifndef SPIDERMONKEY_PROMISE
-  // Static methods for the PromiseInit functions.
-  static bool
-  JSCallback(JSContext *aCx, unsigned aArgc, JS::Value *aVp);
-
-  static bool
-  ThenableResolverCommon(JSContext* aCx, uint32_t /* PromiseCallback::Task */ aTask,
-                         unsigned aArgc, JS::Value* aVp);
-  static bool
-  JSCallbackThenableResolver(JSContext *aCx, unsigned aArgc, JS::Value *aVp);
-  static bool
-  JSCallbackThenableRejecter(JSContext *aCx, unsigned aArgc, JS::Value *aVp);
-
-  static JSObject*
-  CreateFunction(JSContext* aCx, Promise* aPromise, int32_t aTask);
-
-  static JSObject*
-  CreateThenableFunction(JSContext* aCx, Promise* aPromise, uint32_t aTask);
-
-#if defined(DOM_PROMISE_DEPRECATED_REPORTING)
-  void RemoveWorkerHolder();
-#endif // defined(DOM_PROMISE_DEPRECATED_REPORTING)
-
-  // Capture the current stack and store it in aTarget.  If false is
-  // returned, an exception is presumably pending on aCx.
-  bool CaptureStack(JSContext* aCx, JS::Heap<JSObject*>& aTarget);
-#endif // SPIDERMONKEY_PROMISE
-
   void HandleException(JSContext* aCx);
 
   RefPtr<nsIGlobalObject> mGlobal;
 
-#ifndef SPIDERMONKEY_PROMISE
-  nsTArray<RefPtr<PromiseCallback> > mResolveCallbacks;
-  nsTArray<RefPtr<PromiseCallback> > mRejectCallbacks;
-
-  JS::Heap<JS::Value> mResult;
-  // A stack that shows where this promise was allocated, if there was
-  // JS running at the time.  Otherwise null.
-  JS::Heap<JSObject*> mAllocationStack;
-  // mRejectionStack is only set when the promise is rejected directly from
-  // script, by calling Promise.reject() or the rejection callback we pass to
-  // the PromiseInit function.  Promises that are rejected internally do not
-  // have a rejection stack.
-  JS::Heap<JSObject*> mRejectionStack;
-  // mFullfillmentStack is only set when the promise is fulfilled directly from
-  // script, by calling Promise.resolve() or the fulfillment callback we pass to
-  // the PromiseInit function.  Promises that are fulfilled internally do not
-  // have a fulfillment stack.
-  JS::Heap<JSObject*> mFullfillmentStack;
-  PromiseState mState;
-
-#if defined(DOM_PROMISE_DEPRECATED_REPORTING)
-  bool mHadRejectCallback;
-
-  // If a rejected promise on a worker has no reject callbacks attached, it
-  // needs to know when the worker is shutting down, to report the error on the
-  // console before the worker's context is deleted. This feature is used for
-  // that purpose.
-  nsAutoPtr<PromiseReportRejectWorkerHolder> mWorkerHolder;
-#endif // defined(DOM_PROMISE_DEPRECATED_REPORTING)
-
-  bool mTaskPending;
-  bool mResolvePending;
-
-  // `true` if this Promise is the last in the chain, or `false` if
-  // another Promise has been created from this one by a call to
-  // `then`, `all`, `race`, etc.
-  bool mIsLastInChain;
-
-  // `true` if PromiseDebugging has already notified at least one observer that
-  // this promise was left uncaught, `false` otherwise.
-  bool mWasNotifiedAsUncaught;
-
-  // The time when this promise was created.
-  TimeStamp mCreationTimestamp;
-
-  // The time when this promise transitioned out of the pending state.
-  TimeStamp mSettlementTimestamp;
-
-  // Once `GetID()` has been called, a unique-to-the-process identifier for this
-  // promise. Until then, `0`.
-  uint64_t mID;
-#else // SPIDERMONKEY_PROMISE
   JS::Heap<JSObject*> mPromiseObj;
-#endif // SPIDERMONKEY_PROMISE
 };
 
 NS_DEFINE_STATIC_IID_ACCESSOR(Promise, NS_PROMISE_IID)