diff options
Diffstat (limited to 'js/src/builtin')
| -rw-r--r-- | js/src/builtin/Promise.cpp | 53 |
1 files changed, 36 insertions, 17 deletions
diff --git a/js/src/builtin/Promise.cpp b/js/src/builtin/Promise.cpp index 59c97e529..c781a336d 100644 --- a/js/src/builtin/Promise.cpp +++ b/js/src/builtin/Promise.cpp @@ -1369,7 +1369,8 @@ PromiseObject::create(JSContext* cx, HandleObject executor, HandleObject proto / static MOZ_MUST_USE bool PerformPromiseAll(JSContext *cx, JS::ForOfIterator& iterator, HandleObject C, HandleObject promiseObj, - HandleObject resolve, HandleObject reject); + HandleObject resolve, HandleObject reject, + bool* done); // ES2016, 25.4.4.1. static bool @@ -1410,12 +1411,14 @@ Promise_static_all(JSContext* cx, unsigned argc, Value* vp) // Step 6 (implicit). // Step 7. - bool result = PerformPromiseAll(cx, iter, C, resultPromise, resolve, reject); + bool done; + bool result = PerformPromiseAll(cx, iter, C, resultPromise, resolve, reject, &done); // Step 8. if (!result) { // Step 8.a. - // TODO: implement iterator closing. + if (!done) + iter.closeThrow(); // Step 8.b. return AbruptRejectPromise(cx, args, resultPromise, reject); @@ -1598,8 +1601,11 @@ RunResolutionFunction(JSContext *cx, HandleObject resolutionFun, HandleValue res // ES2016, 25.4.4.1.1. static MOZ_MUST_USE bool PerformPromiseAll(JSContext *cx, JS::ForOfIterator& iterator, HandleObject C, - HandleObject promiseObj, HandleObject resolve, HandleObject reject) + HandleObject promiseObj, HandleObject resolve, HandleObject reject, + bool* done) { + *done = false; + RootedObject unwrappedPromiseObj(cx); if (IsWrapper(promiseObj)) { unwrappedPromiseObj = CheckedUnwrap(promiseObj); @@ -1666,14 +1672,19 @@ PerformPromiseAll(JSContext *cx, JS::ForOfIterator& iterator, HandleObject C, RootedValue rejectFunVal(cx, ObjectOrNullValue(reject)); while (true) { - bool done; - // Steps a, b, c, e, f, g. - if (!iterator.next(&nextValue, &done)) + // Steps a-c, e-g. + if (!iterator.next(&nextValue, done)) { + // Steps b, f. + *done = true; + + // Steps c, g. return false; + } // Step d. - if (done) { + if (*done) { // Step d.i (implicit). + // Step d.ii. int32_t remainingCount = dataHolder->decreaseRemainingCount(); @@ -1822,7 +1833,8 @@ PromiseAllResolveElementFunction(JSContext* cx, unsigned argc, Value* vp) static MOZ_MUST_USE bool PerformPromiseRace(JSContext *cx, JS::ForOfIterator& iterator, HandleObject C, HandleObject promiseObj, - HandleObject resolve, HandleObject reject); + HandleObject resolve, HandleObject reject, + bool* done); // ES2016, 25.4.4.3. static bool @@ -1863,12 +1875,14 @@ Promise_static_race(JSContext* cx, unsigned argc, Value* vp) // Step 6 (implicit). // Step 7. - bool result = PerformPromiseRace(cx, iter, C, resultPromise, resolve, reject); + bool done; + bool result = PerformPromiseRace(cx, iter, C, resultPromise, resolve, reject, &done); // Step 8. if (!result) { // Step 8.a. - // TODO: implement iterator closing. + if (!done) + iter.closeThrow(); // Step 8.b. return AbruptRejectPromise(cx, args, resultPromise, reject); @@ -1882,25 +1896,30 @@ Promise_static_race(JSContext* cx, unsigned argc, Value* vp) // ES2016, 25.4.4.3.1. static MOZ_MUST_USE bool PerformPromiseRace(JSContext *cx, JS::ForOfIterator& iterator, HandleObject C, - HandleObject promiseObj, HandleObject resolve, HandleObject reject) + HandleObject promiseObj, HandleObject resolve, HandleObject reject, + bool* done) { + *done = false; MOZ_ASSERT(C->isConstructor()); RootedValue CVal(cx, ObjectValue(*C)); RootedValue nextValue(cx); RootedValue resolveFunVal(cx, ObjectOrNullValue(resolve)); RootedValue rejectFunVal(cx, ObjectOrNullValue(reject)); - bool done; while (true) { // Steps a-c, e-g. - if (!iterator.next(&nextValue, &done)) + if (!iterator.next(&nextValue, done)) { + // Steps b, f. + *done = true; + + // Steps c, g. return false; + } // Step d. - if (done) { - // Step d.i. - // TODO: implement iterator closing. + if (*done) { + // Step d.i (implicit). // Step d.ii. return true; |