| 1 | //===-- Coroutines.h --------------------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_COROUTINES_H |
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| 10 | #define LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_COROUTINES_H |
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| 11 | |
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| 12 | #include "lldb/Core/ValueObject.h" |
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| 13 | #include "lldb/DataFormatters/TypeSummary.h" |
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| 14 | #include "lldb/DataFormatters/TypeSynthetic.h" |
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| 15 | #include "lldb/Utility/Stream.h" |
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| 16 | |
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| 17 | namespace lldb_private { |
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| 18 | |
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| 19 | namespace formatters { |
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| 20 | |
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| 21 | /// Summary provider for `std::coroutine_handle<T>` from libc++, libstdc++ and |
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| 22 | /// MSVC STL. |
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| 23 | bool StdlibCoroutineHandleSummaryProvider(ValueObject &valobj, Stream &stream, |
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| 24 | const TypeSummaryOptions &options); |
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| 25 | |
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| 26 | /// Synthetic children frontend for `std::coroutine_handle<promise_type>` from |
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| 27 | /// libc++, libstdc++ and MSVC STL. Shows the compiler-generated `resume` and |
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| 28 | /// `destroy` function pointers as well as the `promise`, if the promise type |
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| 29 | /// is `promise_type != void`. |
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| 30 | class StdlibCoroutineHandleSyntheticFrontEnd |
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| 31 | : public SyntheticChildrenFrontEnd { |
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| 32 | public: |
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| 33 | StdlibCoroutineHandleSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp); |
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| 34 | |
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| 35 | ~StdlibCoroutineHandleSyntheticFrontEnd() override; |
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| 36 | |
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| 37 | llvm::Expected<uint32_t> CalculateNumChildren() override; |
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| 38 | |
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| 39 | lldb::ValueObjectSP GetChildAtIndex(uint32_t idx) override; |
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| 40 | |
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| 41 | lldb::ChildCacheState Update() override; |
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| 42 | |
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| 43 | bool MightHaveChildren() override; |
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| 44 | |
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| 45 | size_t GetIndexOfChildWithName(ConstString name) override; |
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| 46 | |
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| 47 | private: |
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| 48 | lldb::ValueObjectSP m_resume_ptr_sp; |
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| 49 | lldb::ValueObjectSP m_destroy_ptr_sp; |
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| 50 | lldb::ValueObjectSP m_promise_ptr_sp; |
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| 51 | }; |
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| 52 | |
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| 53 | SyntheticChildrenFrontEnd * |
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| 54 | StdlibCoroutineHandleSyntheticFrontEndCreator(CXXSyntheticChildren *, |
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| 55 | lldb::ValueObjectSP); |
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| 56 | |
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| 57 | } // namespace formatters |
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| 58 | } // namespace lldb_private |
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| 59 | |
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| 60 | #endif // LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_COROUTINES_H |
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| 61 | |
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