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1 // Copyright 2016 the V8 project authors. All rights reserved. | 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 | 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 #include "src/builtins/builtins-promise-gen.h" | 5 #include "src/builtins/builtins-promise-gen.h" |
6 | 6 |
7 #include "src/builtins/builtins-constructor-gen.h" | 7 #include "src/builtins/builtins-constructor-gen.h" |
8 #include "src/builtins/builtins-utils-gen.h" | 8 #include "src/builtins/builtins-utils-gen.h" |
9 #include "src/builtins/builtins.h" | 9 #include "src/builtins/builtins.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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24 LoadObjectField(promise_fun, JSFunction::kPrototypeOrInitialMapOffset); | 24 LoadObjectField(promise_fun, JSFunction::kPrototypeOrInitialMapOffset); |
25 Node* const instance = AllocateJSObjectFromMap(initial_map); | 25 Node* const instance = AllocateJSObjectFromMap(initial_map); |
26 return instance; | 26 return instance; |
27 } | 27 } |
28 | 28 |
29 void PromiseBuiltinsAssembler::PromiseInit(Node* promise) { | 29 void PromiseBuiltinsAssembler::PromiseInit(Node* promise) { |
30 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kStatusOffset, | 30 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kStatusOffset, |
31 SmiConstant(v8::Promise::kPending)); | 31 SmiConstant(v8::Promise::kPending)); |
32 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kFlagsOffset, | 32 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kFlagsOffset, |
33 SmiConstant(0)); | 33 SmiConstant(0)); |
| 34 for (int i = 0; i < v8::Promise::kEmbedderFieldCount; i++) { |
| 35 int offset = JSPromise::kSize + i * kPointerSize; |
| 36 StoreObjectFieldNoWriteBarrier(promise, offset, SmiConstant(Smi::kZero)); |
| 37 } |
34 } | 38 } |
35 | 39 |
36 Node* PromiseBuiltinsAssembler::AllocateAndInitJSPromise(Node* context) { | 40 Node* PromiseBuiltinsAssembler::AllocateAndInitJSPromise(Node* context) { |
37 return AllocateAndInitJSPromise(context, UndefinedConstant()); | 41 return AllocateAndInitJSPromise(context, UndefinedConstant()); |
38 } | 42 } |
39 | 43 |
40 Node* PromiseBuiltinsAssembler::AllocateAndInitJSPromise(Node* context, | 44 Node* PromiseBuiltinsAssembler::AllocateAndInitJSPromise(Node* context, |
41 Node* parent) { | 45 Node* parent) { |
42 Node* const instance = AllocateJSPromise(context); | 46 Node* const instance = AllocateJSPromise(context); |
43 PromiseInit(instance); | 47 PromiseInit(instance); |
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55 Node* status, | 59 Node* status, |
56 Node* result) { | 60 Node* result) { |
57 CSA_ASSERT(this, TaggedIsSmi(status)); | 61 CSA_ASSERT(this, TaggedIsSmi(status)); |
58 | 62 |
59 Node* const instance = AllocateJSPromise(context); | 63 Node* const instance = AllocateJSPromise(context); |
60 | 64 |
61 StoreObjectFieldNoWriteBarrier(instance, JSPromise::kStatusOffset, status); | 65 StoreObjectFieldNoWriteBarrier(instance, JSPromise::kStatusOffset, status); |
62 StoreObjectFieldNoWriteBarrier(instance, JSPromise::kResultOffset, result); | 66 StoreObjectFieldNoWriteBarrier(instance, JSPromise::kResultOffset, result); |
63 StoreObjectFieldNoWriteBarrier(instance, JSPromise::kFlagsOffset, | 67 StoreObjectFieldNoWriteBarrier(instance, JSPromise::kFlagsOffset, |
64 SmiConstant(0)); | 68 SmiConstant(0)); |
| 69 for (int i = 0; i < v8::Promise::kEmbedderFieldCount; i++) { |
| 70 int offset = JSPromise::kSize + i * kPointerSize; |
| 71 StoreObjectFieldNoWriteBarrier(instance, offset, SmiConstant(Smi::kZero)); |
| 72 } |
65 | 73 |
66 Label out(this); | 74 Label out(this); |
67 GotoIfNot(IsPromiseHookEnabledOrDebugIsActive(), &out); | 75 GotoIfNot(IsPromiseHookEnabledOrDebugIsActive(), &out); |
68 CallRuntime(Runtime::kPromiseHookInit, context, instance, | 76 CallRuntime(Runtime::kPromiseHookInit, context, instance, |
69 UndefinedConstant()); | 77 UndefinedConstant()); |
70 Goto(&out); | 78 Goto(&out); |
71 | 79 |
72 BIND(&out); | 80 BIND(&out); |
73 return instance; | 81 return instance; |
74 } | 82 } |
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1794 CSA_ASSERT(this, HasInstanceType(result_promise, JS_PROMISE_TYPE)); | 1802 CSA_ASSERT(this, HasInstanceType(result_promise, JS_PROMISE_TYPE)); |
1795 | 1803 |
1796 InternalPerformPromiseThen(context, promise, resolve_reaction, | 1804 InternalPerformPromiseThen(context, promise, resolve_reaction, |
1797 reject_reaction, result_promise, | 1805 reject_reaction, result_promise, |
1798 UndefinedConstant(), UndefinedConstant()); | 1806 UndefinedConstant(), UndefinedConstant()); |
1799 Return(result_promise); | 1807 Return(result_promise); |
1800 } | 1808 } |
1801 | 1809 |
1802 } // namespace internal | 1810 } // namespace internal |
1803 } // namespace v8 | 1811 } // namespace v8 |
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