| // 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. |
| |
| #ifndef V8_PROMISE_UTILS_H_ |
| #define V8_PROMISE_UTILS_H_ |
| |
| #include "src/contexts.h" |
| #include "src/objects.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // Helper methods for Promise builtins. |
| class PromiseUtils : public AllStatic { |
| public: |
| enum PromiseResolvingFunctionContextSlot { |
| // Whether the resolve/reject callback was already called. |
| kAlreadyVisitedSlot = Context::MIN_CONTEXT_SLOTS, |
| |
| // The promise which resolve/reject callbacks fulfill. |
| kPromiseSlot, |
| |
| // Whether to trigger a debug event or not. Used in catch |
| // prediction. |
| kDebugEventSlot, |
| kPromiseContextLength, |
| }; |
| |
| // These get and set the slots on the PromiseResolvingContext, which |
| // is used by the resolve/reject promise callbacks. |
| static JSPromise* GetPromise(Handle<Context> context); |
| static Object* GetDebugEvent(Handle<Context> context); |
| static bool HasAlreadyVisited(Handle<Context> context); |
| static void SetAlreadyVisited(Handle<Context> context); |
| }; |
| |
| class GetPromiseCapabilityExecutor : public AllStatic { |
| public: |
| enum FunctionContextSlot { |
| kCapabilitySlot = Context::MIN_CONTEXT_SLOTS, |
| |
| kContextLength, |
| }; |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_PROMISE_UTILS_H_ |