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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 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 (function(global, utils) { | 5 (function(global, utils) { |
| 6 | 6 |
| 7 "use strict"; | 7 "use strict"; |
| 8 | 8 |
| 9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
| 10 | 10 |
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| 81 if (!IsPromise(x) && IS_SPEC_OBJECT(x)) { | 81 if (!IsPromise(x) && IS_SPEC_OBJECT(x)) { |
| 82 var then; | 82 var then; |
| 83 try { | 83 try { |
| 84 then = x.then; | 84 then = x.then; |
| 85 } catch(r) { | 85 } catch(r) { |
| 86 return %_CallFunction(constructor, r, PromiseRejected); | 86 return %_CallFunction(constructor, r, PromiseRejected); |
| 87 } | 87 } |
| 88 if (IS_CALLABLE(then)) { | 88 if (IS_CALLABLE(then)) { |
| 89 var deferred = %_CallFunction(constructor, PromiseDeferred); | 89 var deferred = %_CallFunction(constructor, PromiseDeferred); |
| 90 try { | 90 try { |
| 91 %_CallFunction(x, deferred.resolve, deferred.reject, then); | 91 %_Call(then, x, deferred.resolve, deferred.reject); |
| 92 } catch(r) { | 92 } catch(r) { |
| 93 deferred.reject(r); | 93 deferred.reject(r); |
| 94 } | 94 } |
| 95 return deferred.promise; | 95 return deferred.promise; |
| 96 } | 96 } |
| 97 } | 97 } |
| 98 return x; | 98 return x; |
| 99 } | 99 } |
| 100 | 100 |
| 101 function PromiseHandle(value, handler, deferred) { | 101 function PromiseHandle(value, handler, deferred) { |
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| 382 "promise_catch", PromiseCatch, | 382 "promise_catch", PromiseCatch, |
| 383 "promise_chain", PromiseChain, | 383 "promise_chain", PromiseChain, |
| 384 "promise_create", PromiseCreate, | 384 "promise_create", PromiseCreate, |
| 385 "promise_has_user_defined_reject_handler", PromiseHasUserDefinedRejectHandler, | 385 "promise_has_user_defined_reject_handler", PromiseHasUserDefinedRejectHandler, |
| 386 "promise_reject", PromiseReject, | 386 "promise_reject", PromiseReject, |
| 387 "promise_resolve", PromiseResolve, | 387 "promise_resolve", PromiseResolve, |
| 388 "promise_then", PromiseThen, | 388 "promise_then", PromiseThen, |
| 389 ]); | 389 ]); |
| 390 | 390 |
| 391 }) | 391 }) |
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