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-rw-r--r--dom/promise/Promise.h315
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)