| // 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/api.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 { |
| |
| 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 we interpret as being a caught exception event. |
| rejected_promise = isolate->GetPromiseOnStackOnThrow(); |
| } |
| isolate->RunPromiseHook(PromiseHookType::kResolve, promise, |
| isolate->factory()->undefined_value()); |
| 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); |
| } |
| 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, function, 0); |
| Handle<CallableTask> microtask = |
| isolate->factory()->NewCallableTask(function, isolate->native_context()); |
| 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_RunMicrotaskCallback) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_CHECKED(Object, microtask_callback, 0); |
| CONVERT_ARG_CHECKED(Object, microtask_data, 1); |
| MicrotaskCallback callback = ToCData<MicrotaskCallback>(microtask_callback); |
| void* data = ToCData<void*>(microtask_data); |
| callback(data); |
| 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_PromiseHookBefore) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(1, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(HeapObject, payload, 0); |
| Handle<JSPromise> promise; |
| if (JSPromise::From(payload).ToHandle(&promise)) { |
| if (isolate->debug()->is_active()) isolate->PushPromise(promise); |
| if (promise->IsJSPromise()) { |
| isolate->RunPromiseHook(PromiseHookType::kBefore, 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(HeapObject, payload, 0); |
| Handle<JSPromise> promise; |
| if (JSPromise::From(payload).ToHandle(&promise)) { |
| if (isolate->debug()->is_active()) isolate->PopPromise(); |
| if (promise->IsJSPromise()) { |
| isolate->RunPromiseHook(PromiseHookType::kAfter, promise, |
| isolate->factory()->undefined_value()); |
| } |
| } |
| return isolate->heap()->undefined_value(); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_RejectPromise) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(3, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, reason, 1); |
| CONVERT_ARG_HANDLE_CHECKED(Oddball, debug_event, 2); |
| return *JSPromise::Reject(promise, reason, debug_event->BooleanValue()); |
| } |
| |
| RUNTIME_FUNCTION(Runtime_ResolvePromise) { |
| HandleScope scope(isolate); |
| DCHECK_EQ(2, args.length()); |
| CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0); |
| CONVERT_ARG_HANDLE_CHECKED(Object, resolution, 1); |
| Handle<Object> result; |
| ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, |
| JSPromise::Resolve(promise, resolution)); |
| return *result; |
| } |
| |
| } // namespace internal |
| } // namespace v8 |