tor-browser

The Tor Browser
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Promise-inl.h (1577B)


      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
      2 * vim: set ts=8 sts=2 et sw=2 tw=80:
      3 * This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef builtin_Promise_inl_h
      8 #define builtin_Promise_inl_h
      9 
     10 #include "js/Promise.h"  // JS::PromiseState
     11 
     12 #include "mozilla/Assertions.h"  // MOZ_ASSERT
     13 
     14 #include "js/RootingAPI.h"     // JS::Handle
     15 #include "vm/JSContext.h"      // JSContext
     16 #include "vm/PromiseObject.h"  // js::PromiseObject
     17 
     18 namespace js {
     19 
     20 /**
     21 * Given a settled (i.e. fulfilled or rejected, not pending) promise, sets
     22 * |promise.[[PromiseIsHandled]]| to true and removes it from the list of
     23 * unhandled rejected promises.
     24 *
     25 * NOTE: If you need to set |promise.[[PromiseIsHandled]]| on a pending promise,
     26 *       use |PromiseObject::setHandled()| directly.
     27 */
     28 inline void SetSettledPromiseIsHandled(
     29    JSContext* cx, JS::Handle<PromiseObject*> unwrappedPromise) {
     30  MOZ_ASSERT(unwrappedPromise->state() != JS::PromiseState::Pending);
     31  unwrappedPromise->setHandled();
     32  cx->runtime()->removeUnhandledRejectedPromise(cx, unwrappedPromise);
     33 }
     34 
     35 inline void SetAnyPromiseIsHandled(
     36    JSContext* cx, JS::Handle<PromiseObject*> unwrappedPromise) {
     37  if (unwrappedPromise->state() != JS::PromiseState::Pending) {
     38    cx->runtime()->removeUnhandledRejectedPromise(cx, unwrappedPromise);
     39  }
     40  unwrappedPromise->setHandled();
     41 }
     42 
     43 }  // namespace js
     44 
     45 #endif  // builtin_Promise_inl_h