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Issue 2604273003: [csa] Refactor promises API (Closed)
Patch Set: rebase Created 3 years, 11 months ago
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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 #include "src/code-stub-assembler.h" 4 #include "src/code-stub-assembler.h"
5 #include "src/code-factory.h" 5 #include "src/code-factory.h"
6 #include "src/frames-inl.h" 6 #include "src/frames-inl.h"
7 #include "src/frames.h" 7 #include "src/frames.h"
8 8
9 namespace v8 { 9 namespace v8 {
10 namespace internal { 10 namespace internal {
(...skipping 8297 matching lines...) Expand 10 before | Expand all | Expand 10 after
8308 shared_info); 8308 shared_info);
8309 StoreObjectFieldNoWriteBarrier(fun, JSFunction::kContextOffset, context); 8309 StoreObjectFieldNoWriteBarrier(fun, JSFunction::kContextOffset, context);
8310 StoreObjectFieldNoWriteBarrier(fun, JSFunction::kCodeEntryOffset, code_entry, 8310 StoreObjectFieldNoWriteBarrier(fun, JSFunction::kCodeEntryOffset, code_entry,
8311 MachineType::PointerRepresentation()); 8311 MachineType::PointerRepresentation());
8312 StoreObjectFieldRoot(fun, JSFunction::kNextFunctionLinkOffset, 8312 StoreObjectFieldRoot(fun, JSFunction::kNextFunctionLinkOffset,
8313 Heap::kUndefinedValueRootIndex); 8313 Heap::kUndefinedValueRootIndex);
8314 8314
8315 return fun; 8315 return fun;
8316 } 8316 }
8317 8317
8318 Node* CodeStubAssembler::AllocateJSPromise(Node* context) { 8318 Node* CodeStubAssembler::AllocateAndInitJSPromise(Node* context) {
8319 Node* const native_context = LoadNativeContext(context); 8319 Node* const native_context = LoadNativeContext(context);
8320 Node* const promise_fun = 8320 Node* const promise_fun =
8321 LoadContextElement(native_context, Context::PROMISE_FUNCTION_INDEX); 8321 LoadContextElement(native_context, Context::PROMISE_FUNCTION_INDEX);
8322 Node* const initial_map = 8322 Node* const initial_map =
8323 LoadObjectField(promise_fun, JSFunction::kPrototypeOrInitialMapOffset); 8323 LoadObjectField(promise_fun, JSFunction::kPrototypeOrInitialMapOffset);
8324 Node* const instance = AllocateJSObjectFromMap(initial_map); 8324 Node* const promise = AllocateJSObjectFromMap(initial_map);
8325 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kStatusOffset,
8326 SmiConstant(v8::Promise::kPending));
8327 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kFlagsOffset,
8328 SmiConstant(0));
8325 8329
8326 return instance; 8330 return promise;
8327 } 8331 }
8328 8332
8329 void CodeStubAssembler::PromiseInit(Node* promise) { 8333 Node* CodeStubAssembler::AllocateAndSetJSPromise(Node* context, Node* status,
8334 Node* result) {
8335 Node* const native_context = LoadNativeContext(context);
8336 Node* const promise_fun =
8337 LoadContextElement(native_context, Context::PROMISE_FUNCTION_INDEX);
8338 Node* const initial_map =
8339 LoadObjectField(promise_fun, JSFunction::kPrototypeOrInitialMapOffset);
8340 Node* const promise = AllocateJSObjectFromMap(initial_map);
8341
8342 CSA_ASSERT(this, TaggedIsSmi(status));
8343
8344 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kStatusOffset, status);
8345 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kResultOffset, result);
8346 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kFlagsOffset,
8347 SmiConstant(0));
8348
8349 return promise;
8350 }
8351
8352 void CodeStubAssembler::JSPromiseInit(Node* promise) {
8330 StoreObjectField(promise, JSPromise::kStatusOffset, 8353 StoreObjectField(promise, JSPromise::kStatusOffset,
8331 SmiConstant(v8::Promise::kPending)); 8354 SmiConstant(v8::Promise::kPending));
8332 StoreObjectField(promise, JSPromise::kFlagsOffset, SmiConstant(0)); 8355 StoreObjectField(promise, JSPromise::kFlagsOffset, SmiConstant(0));
8333 } 8356 }
8334 8357
8335 void CodeStubAssembler::PromiseSet(Node* promise, Node* status, Node* result) {
8336 CSA_ASSERT(this, TaggedIsSmi(status));
8337 StoreObjectField(promise, JSPromise::kStatusOffset, status);
8338 StoreObjectField(promise, JSPromise::kResultOffset, result);
8339 StoreObjectField(promise, JSPromise::kFlagsOffset, SmiConstant(0));
8340 }
8341
8342 Node* CodeStubAssembler::AllocatePromiseReactionJobInfo( 8358 Node* CodeStubAssembler::AllocatePromiseReactionJobInfo(
8343 Node* promise, Node* value, Node* tasks, Node* deferred_promise, 8359 Node* promise, Node* value, Node* tasks, Node* deferred_promise,
8344 Node* deferred_on_resolve, Node* deferred_on_reject, Node* context) { 8360 Node* deferred_on_resolve, Node* deferred_on_reject, Node* context) {
8345 Node* const result = Allocate(PromiseReactionJobInfo::kSize); 8361 Node* const result = Allocate(PromiseReactionJobInfo::kSize);
8346 StoreMapNoWriteBarrier(result, Heap::kPromiseReactionJobInfoMapRootIndex); 8362 StoreMapNoWriteBarrier(result, Heap::kPromiseReactionJobInfoMapRootIndex);
8347 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kValueOffset, 8363 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kValueOffset,
8348 value); 8364 value);
8349 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kPromiseOffset, 8365 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kPromiseOffset,
8350 promise); 8366 promise);
8351 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kTasksOffset, 8367 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kTasksOffset,
(...skipping 10 matching lines...) Expand all
8362 Heap::kUndefinedValueRootIndex); 8378 Heap::kUndefinedValueRootIndex);
8363 StoreObjectFieldRoot(result, PromiseReactionJobInfo::kDebugNameOffset, 8379 StoreObjectFieldRoot(result, PromiseReactionJobInfo::kDebugNameOffset,
8364 Heap::kUndefinedValueRootIndex); 8380 Heap::kUndefinedValueRootIndex);
8365 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kContextOffset, 8381 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kContextOffset,
8366 context); 8382 context);
8367 return result; 8383 return result;
8368 } 8384 }
8369 8385
8370 } // namespace internal 8386 } // namespace internal
8371 } // namespace v8 8387 } // namespace v8
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