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1//===-- Coroutines.h --------------------------------------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_COROUTINES_H10#define LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_COROUTINES_H11 12#include "lldb/DataFormatters/TypeSummary.h"13#include "lldb/DataFormatters/TypeSynthetic.h"14#include "lldb/Utility/Stream.h"15#include "lldb/ValueObject/ValueObject.h"16 17namespace lldb_private {18 19namespace formatters {20 21/// Summary provider for `std::coroutine_handle<T>` from libc++, libstdc++ and22/// MSVC STL.23bool StdlibCoroutineHandleSummaryProvider(ValueObject &valobj, Stream &stream,24 const TypeSummaryOptions &options);25 26/// Synthetic children frontend for `std::coroutine_handle<promise_type>` from27/// libc++, libstdc++ and MSVC STL. Shows the compiler-generated `resume` and28/// `destroy` function pointers as well as the `promise`, if the promise type29/// is `promise_type != void`.30class StdlibCoroutineHandleSyntheticFrontEnd31 : public SyntheticChildrenFrontEnd {32public:33 StdlibCoroutineHandleSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);34 35 ~StdlibCoroutineHandleSyntheticFrontEnd() override;36 37 llvm::Expected<uint32_t> CalculateNumChildren() override;38 39 lldb::ValueObjectSP GetChildAtIndex(uint32_t idx) override;40 41 lldb::ChildCacheState Update() override;42 43 llvm::Expected<size_t> GetIndexOfChildWithName(ConstString name) override;44 45private:46 std::vector<lldb::ValueObjectSP> m_children;47};48 49SyntheticChildrenFrontEnd *50StdlibCoroutineHandleSyntheticFrontEndCreator(CXXSyntheticChildren *,51 lldb::ValueObjectSP);52 53} // namespace formatters54} // namespace lldb_private55 56#endif // LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_COROUTINES_H57