// Copyright 2016 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef V8_BUILTINS_BUILTINS_ASYNC_GEN_H_ #define V8_BUILTINS_BUILTINS_ASYNC_GEN_H_ #include "src/builtins/builtins-promise-gen.h" namespace v8 { namespace internal { class AsyncBuiltinsAssembler : public PromiseBuiltinsAssembler { public: explicit AsyncBuiltinsAssembler(compiler::CodeAssemblerState* state) : PromiseBuiltinsAssembler(state) {} protected: // Perform steps to resume generator after `value` is resolved. // `on_reject` is the SharedFunctioninfo instance used to create the reject // closure. `on_resolve` is the SharedFunctioninfo instance used to create the // resolve closure. Returns the Promise-wrapped `value`. TNode<Object> Await(TNode<Context> context, TNode<JSGeneratorObject> generator, TNode<Object> value, TNode<JSPromise> outer_promise, TNode<SharedFunctionInfo> on_resolve_sfi, TNode<SharedFunctionInfo> on_reject_sfi, TNode<Oddball> is_predicted_as_caught); TNode<Object> Await(TNode<Context> context, TNode<JSGeneratorObject> generator, TNode<Object> value, TNode<JSPromise> outer_promise, TNode<SharedFunctionInfo> on_resolve_sfi, TNode<SharedFunctionInfo> on_reject_sfi, bool is_predicted_as_caught) { return Await(context, generator, value, outer_promise, on_resolve_sfi, on_reject_sfi, BooleanConstant(is_predicted_as_caught)); } // Return a new built-in function object as defined in // Async Iterator Value Unwrap Functions TNode<JSFunction> CreateUnwrapClosure(TNode<NativeContext> native_context, TNode<Oddball> done); private: void InitializeNativeClosure(TNode<Context> context, TNode<NativeContext> native_context, TNode<HeapObject> function, TNode<SharedFunctionInfo> shared_info); TNode<Context> AllocateAsyncIteratorValueUnwrapContext( TNode<NativeContext> native_context, TNode<Oddball> done); TNode<Object> AwaitOld(TNode<Context> context, TNode<JSGeneratorObject> generator, TNode<Object> value, TNode<JSPromise> outer_promise, TNode<SharedFunctionInfo> on_resolve_sfi, TNode<SharedFunctionInfo> on_reject_sfi, TNode<Oddball> is_predicted_as_caught); TNode<Object> AwaitOptimized(TNode<Context> context, TNode<JSGeneratorObject> generator, TNode<JSPromise> promise, TNode<JSPromise> outer_promise, TNode<SharedFunctionInfo> on_resolve_sfi, TNode<SharedFunctionInfo> on_reject_sfi, TNode<Oddball> is_predicted_as_caught); }; } // namespace internal } // namespace v8 #endif // V8_BUILTINS_BUILTINS_ASYNC_GEN_H_