b3d130279f
This patch replaces the use of `UINT32_MAX` as the error return value of `GetIndexOfChildWithName` with `llvm::Expected`. # Tasks to do in another PR 1. Replace `CalculateNumChildrenIgnoringErrors` with `CalculateNumChildren`. See [this comment](https://github.com/llvm/llvm-project/pull/136693#discussion_r2056319358). 2. Update `lldb_private::formatters::ExtractIndexFromString` to use `llvm::Expected`. See [this comment](https://github.com/llvm/llvm-project/pull/136693#discussion_r2054217536). 3. Create a new class which carries both user and internal errors. See [this comment](https://github.com/llvm/llvm-project/pull/136693#discussion_r2056439608).
242 lines
8.9 KiB
C++
242 lines
8.9 KiB
C++
//===-- LibCxx.h ---------------------------------------------------*- C++
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//-*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_LIBCXX_H
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#define LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_LIBCXX_H
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#include "lldb/DataFormatters/TypeSummary.h"
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#include "lldb/DataFormatters/TypeSynthetic.h"
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#include "lldb/Utility/Stream.h"
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#include "lldb/ValueObject/ValueObject.h"
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namespace lldb_private {
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namespace formatters {
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/// Find a child member of \c obj_sp, trying all alternative names in order.
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lldb::ValueObjectSP
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GetChildMemberWithName(ValueObject &obj,
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llvm::ArrayRef<ConstString> alternative_names);
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lldb::ValueObjectSP GetFirstValueOfLibCXXCompressedPair(ValueObject &pair);
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lldb::ValueObjectSP GetSecondValueOfLibCXXCompressedPair(ValueObject &pair);
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bool isOldCompressedPairLayout(ValueObject &pair_obj);
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bool isStdTemplate(ConstString type_name, llvm::StringRef type);
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bool LibcxxStringSummaryProviderASCII(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &summary_options); // libc++ std::string
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bool LibcxxStringSummaryProviderUTF16(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &summary_options); // libc++ std::u16string
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bool LibcxxStringSummaryProviderUTF32(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &summary_options); // libc++ std::u32string
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bool LibcxxWStringSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::wstring
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bool LibcxxStringViewSummaryProviderASCII(
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ValueObject &valueObj, Stream &stream,
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const TypeSummaryOptions &summary_options); // libc++ std::string_view
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bool LibcxxStringViewSummaryProviderUTF16(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &summary_options); // libc++ std::u16string_view
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bool LibcxxStringViewSummaryProviderUTF32(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &summary_options); // libc++ std::u32string_view
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bool LibcxxWStringViewSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::wstring_view
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bool LibcxxStdSliceArraySummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::slice_array
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bool LibcxxSmartPointerSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions
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&options); // libc++ std::shared_ptr<> and std::weak_ptr<>
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// libc++ std::unique_ptr<>
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bool LibcxxUniquePointerSummaryProvider(ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options);
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bool LibcxxFunctionSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::function<>
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SyntheticChildrenFrontEnd *
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LibcxxVectorBoolSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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bool LibcxxContainerSummaryProvider(ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options);
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/// Formatter for libc++ std::span<>.
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bool LibcxxSpanSummaryProvider(ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options);
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SyntheticChildrenFrontEnd *
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LibCxxVectorIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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class LibcxxSharedPtrSyntheticFrontEnd : public SyntheticChildrenFrontEnd {
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public:
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LibcxxSharedPtrSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
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llvm::Expected<uint32_t> CalculateNumChildren() override;
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lldb::ValueObjectSP GetChildAtIndex(uint32_t idx) override;
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lldb::ChildCacheState Update() override;
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llvm::Expected<size_t> GetIndexOfChildWithName(ConstString name) override;
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~LibcxxSharedPtrSyntheticFrontEnd() override;
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private:
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ValueObject *m_cntrl;
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};
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class LibcxxUniquePtrSyntheticFrontEnd : public SyntheticChildrenFrontEnd {
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public:
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LibcxxUniquePtrSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
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llvm::Expected<uint32_t> CalculateNumChildren() override;
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lldb::ValueObjectSP GetChildAtIndex(uint32_t idx) override;
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lldb::ChildCacheState Update() override;
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llvm::Expected<size_t> GetIndexOfChildWithName(ConstString name) override;
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~LibcxxUniquePtrSyntheticFrontEnd() override;
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private:
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lldb::ValueObjectSP m_value_ptr_sp;
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lldb::ValueObjectSP m_deleter_sp;
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};
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SyntheticChildrenFrontEnd *
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LibcxxBitsetSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxSharedPtrSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxUniquePtrSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxStdVectorSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxStdValarraySyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxStdSliceArraySyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxStdProxyArraySyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxStdListSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxStdForwardListSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxStdMapSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibCxxMapIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxStdUnorderedMapSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibCxxUnorderedMapIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxInitializerListSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *LibcxxQueueFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *LibcxxTupleFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxOptionalSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP valobj_sp);
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SyntheticChildrenFrontEnd *
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LibcxxVariantFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP valobj_sp);
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SyntheticChildrenFrontEnd *
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LibcxxStdSpanSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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SyntheticChildrenFrontEnd *
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LibcxxStdRangesRefViewSyntheticFrontEndCreator(CXXSyntheticChildren *,
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lldb::ValueObjectSP);
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bool LibcxxChronoSysSecondsSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::chrono::sys_seconds
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bool LibcxxChronoSysDaysSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::chrono::sys_days
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bool LibcxxChronoLocalSecondsSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::chrono::local_seconds
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bool LibcxxChronoLocalDaysSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::chrono::local_days
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bool LibcxxChronoMonthSummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::chrono::month
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bool LibcxxChronoWeekdaySummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::chrono::weekday
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bool LibcxxChronoYearMonthDaySummaryProvider(
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ValueObject &valobj, Stream &stream,
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const TypeSummaryOptions &options); // libc++ std::chrono::year_month_day
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} // namespace formatters
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} // namespace lldb_private
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#endif // LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_LIBCXX_H
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