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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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95 | 95 |
96 function PromiseResolve(promise, x) { | 96 function PromiseResolve(promise, x) { |
97 PromiseDone(promise, +1, x, promiseOnResolve) | 97 PromiseDone(promise, +1, x, promiseOnResolve) |
98 } | 98 } |
99 | 99 |
100 function PromiseReject(promise, r) { | 100 function PromiseReject(promise, r) { |
101 PromiseDone(promise, -1, r, promiseOnReject) | 101 PromiseDone(promise, -1, r, promiseOnReject) |
102 } | 102 } |
103 | 103 |
104 | 104 |
| 105 // For API. |
| 106 |
| 107 function PromiseNopResolver() {} |
| 108 |
| 109 function PromiseCreate() { |
| 110 return new Promise(PromiseNopResolver) |
| 111 } |
| 112 |
| 113 |
105 // Convenience. | 114 // Convenience. |
106 | 115 |
107 function PromiseDeferred() { | 116 function PromiseDeferred() { |
108 if (this === $Promise) { | 117 if (this === $Promise) { |
109 // Optimized case, avoid extra closure. | 118 // Optimized case, avoid extra closure. |
110 var promise = PromiseInit(new Promise(promiseRaw)); | 119 var promise = PromiseInit(new Promise(promiseRaw)); |
111 return { | 120 return { |
112 promise: promise, | 121 promise: promise, |
113 resolve: function(x) { PromiseResolve(promise, x) }, | 122 resolve: function(x) { PromiseResolve(promise, x) }, |
114 reject: function(r) { PromiseReject(promise, r) } | 123 reject: function(r) { PromiseReject(promise, r) } |
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307 "cast", PromiseCast | 316 "cast", PromiseCast |
308 ]); | 317 ]); |
309 InstallFunctions($Promise.prototype, DONT_ENUM, [ | 318 InstallFunctions($Promise.prototype, DONT_ENUM, [ |
310 "chain", PromiseChain, | 319 "chain", PromiseChain, |
311 "then", PromiseThen, | 320 "then", PromiseThen, |
312 "catch", PromiseCatch | 321 "catch", PromiseCatch |
313 ]); | 322 ]); |
314 } | 323 } |
315 | 324 |
316 SetUpPromise(); | 325 SetUpPromise(); |
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