| // Copyright 2016 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. |
| #include "src/runtime/runtime-utils.h" |
| |
| #include "src/arguments.h" |
| #include "src/counters.h" |
| #include "src/debug/debug.h" |
| #include "src/elements.h" |
| #include "src/objects-inl.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| namespace { |
| |
| void PromiseRejectEvent(Isolate* isolate, Handle<JSPromise> promise, |
| Handle<Object> rejected_promise, Handle<Object> value, |
| bool debug_event) { |
| isolate->RunPromiseHook(PromiseHookType::kResolve, promise, |
| isolate->factory()->undefined_value()); |
| |
| if (isolate->debug()->is_active() && debug_event) { |
| isolate->debug()->OnPromiseReject(rejected_promise, value); |
| } |
| |
| // Report only if we don't actually have a handler. |
| if (!promise->has_handler()) { |
| isolate->ReportPromiseReject(promise, value, |
| v8::kPromiseRejectWithNoHandler); |
| } |
| } |
| |
| } // namespace |
| |
| RUNTIME_FUNCTION(Runtime_PromiseRejectEventFromStack) { |
| DCHECK_EQ(2, args.length()); |
| HandleScope scope(isolate); |
| CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, value, 1); |
| |
| Handle<Object> rejected_promise = promise; |
| if (isolate->debug()->is_active()) { |
| // If the Promise.reject call is caught, then this will return |
| // undefined, which will be interpreted by PromiseRejectEvent |
| // as being a caught exception event. |
| rejected_promise = isolate->GetPromiseOnStackOnThrow(); |
| } |
| PromiseRejectEvent(isolate, promise, rejected_promise, value, true); |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_ReportPromiseReject) { |
| DCHECK_EQ(2, args.length()); |
| HandleScope scope(isolate); |
| CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, value, 1); |
| isolate->ReportPromiseReject(promise, value, v8::kPromiseRejectWithNoHandler); |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_PromiseRevokeReject) { |
| DCHECK_EQ(1, args.length()); |
| HandleScope scope(isolate); |
| CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| // At this point, no revocation has been issued before |
| CHECK(!promise->has_handler()); |
| isolate->ReportPromiseReject(promise, Handle<Object>(), |
| v8::kPromiseHandlerAddedAfterReject); |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_EnqueueMicrotask) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSFunction, microtask, 0); |
| isolate->EnqueueMicrotask(microtask); |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_RunMicrotasks) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(0, args.length()); |
| isolate->RunMicrotasks(); |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_PromiseStatus) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| |
| return Smi::FromInt(promise->status()); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_PromiseResult) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| return promise->result(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_PromiseMarkAsHandled) { |
| SealHandleScope shs(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_CHECKED(JSPromise, promise, 0); |
| |
| promise->set_has_handler(true); |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_PromiseHookInit) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, parent, 1); |
| isolate->RunPromiseHook(PromiseHookType::kInit, promise, parent); |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_PromiseHookResolve) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| isolate->RunPromiseHook(PromiseHookType::kResolve, promise, |
| isolate->factory()->undefined_value()); |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_PromiseHookBefore) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSObject, promise, 0); |
| if (promise->IsJSPromise()) { |
| isolate->RunPromiseHook(PromiseHookType::kBefore, |
| Handle<JSPromise>::cast(promise), |
| isolate->factory()->undefined_value()); |
| } |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_PromiseHookAfter) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSObject, promise, 0); |
| if (promise->IsJSPromise()) { |
| isolate->RunPromiseHook(PromiseHookType::kAfter, |
| Handle<JSPromise>::cast(promise), |
| isolate->factory()->undefined_value()); |
| } |
| return isolate->heap()->undefined_value(); |
| } |
| |
| } // namespace internal |
| } // namespace v8 |