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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 | |
3 // found in the LICENSE file. | |
4 | |
5 (function(global, utils, extrasUtils) { | |
6 | |
7 "use strict"; | |
8 | |
9 %CheckIsBootstrapping(); | |
10 | |
11 // ------------------------------------------------------------------- | |
12 // Imports | |
13 | |
14 var AsyncFunctionNext; | |
15 var AsyncFunctionThrow; | |
16 var PromiseReject; | |
17 var PromiseResolve; | |
18 var PromiseThen; | |
19 | |
20 utils.Import(function(from) { | |
21 AsyncFunctionNext = from.AsyncFunctionNext; | |
22 AsyncFunctionThrow = from.AsyncFunctionThrow; | |
23 PromiseReject = from.PromiseCreateRejected; | |
24 PromiseResolve = from.PromiseCreateResolved; | |
25 PromiseThen = from.PromiseThen; | |
26 }); | |
27 | |
28 function AsyncFunctionAwait(generator, value) { | |
Dan Ehrenberg
2016/05/04 22:52:36
I like this way of defining the function. We may w
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29 return %_Call( | |
30 PromiseThen, PromiseResolve(value), | |
31 function(value) { return %_Call(AsyncFunctionNext, generator, value); }, | |
32 function(error) { return %_Call(AsyncFunctionThrow, generator, error); }); | |
33 } | |
34 | |
35 %InstallToContext([ "async_function_await", AsyncFunctionAwait ]); | |
36 | |
37 }) | |
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