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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 #include "src/runtime/runtime-utils.h" | 4 #include "src/runtime/runtime-utils.h" |
| 5 | 5 |
| 6 #include "src/debug/debug.h" | 6 #include "src/debug/debug.h" |
| 7 #include "src/elements.h" | 7 #include "src/elements.h" |
| 8 #include "src/promise-utils.h" | 8 #include "src/promise-utils.h" |
| 9 | 9 |
| 10 namespace v8 { | 10 namespace v8 { |
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| 50 HandleScope scope(isolate); | 50 HandleScope scope(isolate); |
| 51 CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); | 51 CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| 52 // At this point, no revocation has been issued before | 52 // At this point, no revocation has been issued before |
| 53 CHECK(!promise->has_handler()); | 53 CHECK(!promise->has_handler()); |
| 54 isolate->ReportPromiseReject(promise, Handle<Object>(), | 54 isolate->ReportPromiseReject(promise, Handle<Object>(), |
| 55 v8::kPromiseHandlerAddedAfterReject); | 55 v8::kPromiseHandlerAddedAfterReject); |
| 56 return isolate->heap()->undefined_value(); | 56 return isolate->heap()->undefined_value(); |
| 57 } | 57 } |
| 58 | 58 |
| 59 namespace { | 59 namespace { |
| 60 void EnqueuePromiseReactionJob(Isolate* isolate, Handle<Object> value, | 60 void EnqueuePromiseReactionJob(Isolate* isolate, Handle<JSPromise> promise, |
| 61 Handle<Object> tasks, Handle<Object> deferred, | 61 Handle<Object> value, Handle<Object> tasks, |
| 62 Handle<Object> status) { | 62 Handle<Object> deferred, Handle<Object> status) { |
| 63 Handle<Object> debug_id = isolate->factory()->undefined_value(); | 63 Handle<Object> debug_id = isolate->factory()->undefined_value(); |
| 64 Handle<Object> debug_name = isolate->factory()->undefined_value(); | 64 Handle<Object> debug_name = isolate->factory()->undefined_value(); |
| 65 if (isolate->debug()->is_active()) { | 65 if (isolate->debug()->is_active()) { |
| 66 MaybeHandle<Object> maybe_result; | 66 MaybeHandle<Object> maybe_result; |
| 67 Handle<Object> deferred_obj(deferred); | 67 Handle<Object> deferred_obj(deferred); |
| 68 | 68 |
| 69 if (deferred->IsFixedArray()) { | 69 if (deferred->IsFixedArray()) { |
| 70 deferred_obj = isolate->factory()->undefined_value(); | 70 deferred_obj = isolate->factory()->undefined_value(); |
| 71 } | 71 } |
| 72 | 72 |
| 73 Handle<Object> argv[] = {deferred_obj, status}; | 73 Handle<Object> argv[] = {deferred_obj, status}; |
| 74 maybe_result = Execution::TryCall( | 74 maybe_result = Execution::TryCall( |
| 75 isolate, isolate->promise_debug_get_info(), | 75 isolate, isolate->promise_debug_get_info(), |
| 76 isolate->factory()->undefined_value(), arraysize(argv), argv); | 76 isolate->factory()->undefined_value(), arraysize(argv), argv); |
| 77 | 77 |
| 78 Handle<Object> result; | 78 Handle<Object> result; |
| 79 if ((maybe_result).ToHandle(&result)) { | 79 if ((maybe_result).ToHandle(&result)) { |
| 80 CHECK(result->IsJSArray()); | 80 CHECK(result->IsJSArray()); |
| 81 Handle<JSArray> array = Handle<JSArray>::cast(result); | 81 Handle<JSArray> array = Handle<JSArray>::cast(result); |
| 82 ElementsAccessor* accessor = array->GetElementsAccessor(); | 82 ElementsAccessor* accessor = array->GetElementsAccessor(); |
| 83 DCHECK(accessor->HasElement(array, 0)); | 83 DCHECK(accessor->HasElement(array, 0)); |
| 84 DCHECK(accessor->HasElement(array, 1)); | 84 DCHECK(accessor->HasElement(array, 1)); |
| 85 debug_id = accessor->Get(array, 0); | 85 debug_id = accessor->Get(array, 0); |
| 86 debug_name = accessor->Get(array, 1); | 86 debug_name = accessor->Get(array, 1); |
| 87 } | 87 } |
| 88 } | 88 } |
| 89 Handle<PromiseReactionJobInfo> info = | 89 Handle<PromiseReactionJobInfo> info = |
| 90 isolate->factory()->NewPromiseReactionJobInfo(value, tasks, deferred, | 90 isolate->factory()->NewPromiseReactionJobInfo( |
| 91 debug_id, debug_name, | 91 promise, value, tasks, deferred, debug_id, debug_name, |
| 92 isolate->native_context()); | 92 isolate->native_context()); |
| 93 isolate->EnqueueMicrotask(info); | 93 isolate->EnqueueMicrotask(info); |
| 94 } | 94 } |
| 95 | 95 |
| 96 void PromiseSet(Isolate* isolate, Handle<JSPromise> promise, int status, | 96 void PromiseSet(Isolate* isolate, Handle<JSPromise> promise, int status, |
| 97 Handle<Object> result) { | 97 Handle<Object> result) { |
| 98 promise->set_status(status); | 98 promise->set_status(status); |
| 99 promise->set_result(*result); | 99 promise->set_result(*result); |
| 100 promise->set_deferred(isolate->heap()->undefined_value()); | 100 promise->set_deferred(isolate->heap()->undefined_value()); |
| 101 promise->set_fulfill_reactions(isolate->heap()->undefined_value()); | 101 promise->set_fulfill_reactions(isolate->heap()->undefined_value()); |
| 102 promise->set_reject_reactions(isolate->heap()->undefined_value()); | 102 promise->set_reject_reactions(isolate->heap()->undefined_value()); |
| 103 } | 103 } |
| 104 | 104 |
| 105 void PromiseFulfill(Isolate* isolate, Handle<JSPromise> promise, | 105 void PromiseFulfill(Isolate* isolate, Handle<JSPromise> promise, |
| 106 Handle<Smi> status, Handle<Object> value) { | 106 Handle<Smi> status, Handle<Object> value) { |
| 107 // Check if there are any callbacks. | 107 // Check if there are any callbacks. |
| 108 if (!promise->deferred()->IsUndefined(isolate)) { | 108 if (!promise->deferred()->IsUndefined(isolate)) { |
| 109 Handle<Object> tasks((status->value() == kPromiseFulfilled) | 109 Handle<Object> tasks((status->value() == kPromiseFulfilled) |
| 110 ? promise->fulfill_reactions() | 110 ? promise->fulfill_reactions() |
| 111 : promise->reject_reactions(), | 111 : promise->reject_reactions(), |
| 112 isolate); | 112 isolate); |
| 113 Handle<Object> deferred(promise->deferred(), isolate); | 113 Handle<Object> deferred(promise->deferred(), isolate); |
| 114 EnqueuePromiseReactionJob(isolate, value, tasks, deferred, status); | 114 EnqueuePromiseReactionJob(isolate, promise, value, tasks, deferred, status); |
| 115 } | 115 } |
| 116 | 116 |
| 117 PromiseSet(isolate, promise, status->value(), value); | 117 PromiseSet(isolate, promise, status->value(), value); |
| 118 } | 118 } |
| 119 | 119 |
| 120 } // namespace | 120 } // namespace |
| 121 | 121 |
| 122 RUNTIME_FUNCTION(Runtime_PromiseReject) { | 122 RUNTIME_FUNCTION(Runtime_PromiseReject) { |
| 123 DCHECK(args.length() == 3); | 123 DCHECK(args.length() == 3); |
| 124 HandleScope scope(isolate); | 124 HandleScope scope(isolate); |
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| 138 HandleScope scope(isolate); | 138 HandleScope scope(isolate); |
| 139 CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); | 139 CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| 140 CONVERT_ARG_HANDLE_CHECKED(Smi, status, 1); | 140 CONVERT_ARG_HANDLE_CHECKED(Smi, status, 1); |
| 141 CONVERT_ARG_HANDLE_CHECKED(Object, value, 2); | 141 CONVERT_ARG_HANDLE_CHECKED(Object, value, 2); |
| 142 PromiseFulfill(isolate, promise, status, value); | 142 PromiseFulfill(isolate, promise, status, value); |
| 143 return isolate->heap()->undefined_value(); | 143 return isolate->heap()->undefined_value(); |
| 144 } | 144 } |
| 145 | 145 |
| 146 RUNTIME_FUNCTION(Runtime_EnqueuePromiseReactionJob) { | 146 RUNTIME_FUNCTION(Runtime_EnqueuePromiseReactionJob) { |
| 147 HandleScope scope(isolate); | 147 HandleScope scope(isolate); |
| 148 DCHECK(args.length() == 4); | 148 DCHECK(args.length() == 5); |
| 149 CONVERT_ARG_HANDLE_CHECKED(Object, value, 0); | 149 CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| 150 CONVERT_ARG_HANDLE_CHECKED(Object, tasks, 1); | 150 CONVERT_ARG_HANDLE_CHECKED(Object, value, 1); |
| 151 CONVERT_ARG_HANDLE_CHECKED(Object, deferred, 2); | 151 CONVERT_ARG_HANDLE_CHECKED(Object, tasks, 2); |
| 152 CONVERT_ARG_HANDLE_CHECKED(Object, status, 3); | 152 CONVERT_ARG_HANDLE_CHECKED(Object, deferred, 3); |
| 153 EnqueuePromiseReactionJob(isolate, value, tasks, deferred, status); | 153 CONVERT_ARG_HANDLE_CHECKED(Object, status, 4); |
| 154 EnqueuePromiseReactionJob(isolate, promise, value, tasks, deferred, status); |
| 154 return isolate->heap()->undefined_value(); | 155 return isolate->heap()->undefined_value(); |
| 155 } | 156 } |
| 156 | 157 |
| 157 RUNTIME_FUNCTION(Runtime_EnqueuePromiseResolveThenableJob) { | 158 RUNTIME_FUNCTION(Runtime_EnqueuePromiseResolveThenableJob) { |
| 158 HandleScope scope(isolate); | 159 HandleScope scope(isolate); |
| 159 DCHECK(args.length() == 3); | 160 DCHECK(args.length() == 3); |
| 160 CONVERT_ARG_HANDLE_CHECKED(JSObject, promise, 0); | 161 CONVERT_ARG_HANDLE_CHECKED(JSObject, promise, 0); |
| 161 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, resolution, 1); | 162 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, resolution, 1); |
| 162 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, then, 2); | 163 CONVERT_ARG_HANDLE_CHECKED(JSReceiver, then, 2); |
| 163 | 164 |
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| 278 HandleScope scope(isolate); | 279 HandleScope scope(isolate); |
| 279 DCHECK(args.length() == 1); | 280 DCHECK(args.length() == 1); |
| 280 CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); | 281 CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| 281 | 282 |
| 282 promise->set_has_handler(true); | 283 promise->set_has_handler(true); |
| 283 return isolate->heap()->undefined_value(); | 284 return isolate->heap()->undefined_value(); |
| 284 } | 285 } |
| 285 | 286 |
| 286 } // namespace internal | 287 } // namespace internal |
| 287 } // namespace v8 | 288 } // namespace v8 |
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