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      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:
     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