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 #ifndef V8_BUILTINS_BUILTINS_ASYNC_H_ 6 #define V8_BUILTINS_BUILTINS_ASYNC_H_ 7 8 #include "src/builtins/builtins-promise.h" 9 10 namespace v8 { 11 namespace internal { 12 13 class AsyncBuiltinsAssembler : public PromiseBuiltinsAssembler { 14 public: AsyncBuiltinsAssembler(CodeAssemblerState * state)15 explicit AsyncBuiltinsAssembler(CodeAssemblerState* state) 16 : PromiseBuiltinsAssembler(state) {} 17 18 protected: 19 typedef std::function<Node*(Node*)> NodeGenerator1; 20 21 // Perform steps to resume generator after `value` is resolved. 22 // `on_reject_context_index` is an index into the Native Context, which should 23 // point to a SharedFunctioninfo instance used to create the closure. The 24 // value following the reject index should be a similar value for the resolve 25 // closure. Returns the Promise-wrapped `value`. 26 Node* Await(Node* context, Node* generator, Node* value, Node* outer_promise, 27 const NodeGenerator1& create_closure_context, 28 int on_resolve_context_index, int on_reject_context_index, 29 bool is_predicted_as_caught); 30 }; 31 32 } // namespace internal 33 } // namespace v8 34 35 #endif // V8_BUILTINS_BUILTINS_ASYNC_H_ 36