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//===-- LibCxx.h ---------------------------------------------------*- C++
//-*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_LIBCXX_H
#define LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_LIBCXX_H
#include "lldb/Core/ValueObject.h"
#include "lldb/DataFormatters/TypeSummary.h"
#include "lldb/DataFormatters/TypeSynthetic.h"
#include "lldb/Utility/Stream.h"
namespace lldb_private {
namespace formatters {
/// Find a child member of \c obj_sp, trying all alternative names in order.
lldb::ValueObjectSP
GetChildMemberWithName(ValueObject &obj,
llvm::ArrayRef<ConstString> alternative_names);
lldb::ValueObjectSP GetFirstValueOfLibCXXCompressedPair(ValueObject &pair);
lldb::ValueObjectSP GetSecondValueOfLibCXXCompressedPair(ValueObject &pair);
bool LibcxxStringSummaryProviderASCII(
ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &summary_options); // libc++ std::string
bool LibcxxStringSummaryProviderUTF16(
ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &summary_options); // libc++ std::u16string
bool LibcxxStringSummaryProviderUTF32(
ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &summary_options); // libc++ std::u32string
bool LibcxxWStringSummaryProvider(
ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &options); // libc++ std::wstring
bool LibcxxStringViewSummaryProviderASCII(
ValueObject &valueObj, Stream &stream,
const TypeSummaryOptions &summary_options); // libc++ std::string_view
bool LibcxxStringViewSummaryProviderUTF16(
ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &summary_options); // libc++ std::u16string_view
bool LibcxxStringViewSummaryProviderUTF32(
ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &summary_options); // libc++ std::u32string_view
bool LibcxxWStringViewSummaryProvider(
ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &options); // libc++ std::wstring_view
bool LibcxxSmartPointerSummaryProvider(
ValueObject &valobj, Stream &stream,
const TypeSummaryOptions
&options); // libc++ std::shared_ptr<> and std::weak_ptr<>
// libc++ std::unique_ptr<>
bool LibcxxUniquePointerSummaryProvider(ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &options);
bool LibcxxFunctionSummaryProvider(
ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &options); // libc++ std::function<>
SyntheticChildrenFrontEnd *
LibcxxVectorBoolSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
bool LibcxxContainerSummaryProvider(ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &options);
/// Formatter for libc++ std::span<>.
bool LibcxxSpanSummaryProvider(ValueObject &valobj, Stream &stream,
const TypeSummaryOptions &options);
class LibCxxMapIteratorSyntheticFrontEnd : public SyntheticChildrenFrontEnd {
public:
LibCxxMapIteratorSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
size_t CalculateNumChildren() override;
lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
bool Update() override;
bool MightHaveChildren() override;
size_t GetIndexOfChildWithName(ConstString name) override;
~LibCxxMapIteratorSyntheticFrontEnd() override;
private:
ValueObject *m_pair_ptr;
lldb::ValueObjectSP m_pair_sp;
};
SyntheticChildrenFrontEnd *
LibCxxMapIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
/// Formats libcxx's std::unordered_map iterators
///
/// In raw form a std::unordered_map::iterator is represented as follows:
///
/// (lldb) var it --raw --ptr-depth 1
/// (std::__1::__hash_map_iterator<
/// std::__1::__hash_iterator<
/// std::__1::__hash_node<
/// std::__1::__hash_value_type<
/// std::__1::basic_string<char, std::__1::char_traits<char>,
/// std::__1::allocator<char> >, std::__1::basic_string<char,
/// std::__1::char_traits<char>, std::__1::allocator<char> > >,
/// void *> *> >)
/// it = {
/// __i_ = {
/// __node_ = 0x0000600001700040 {
/// __next_ = 0x0000600001704000
/// }
/// }
/// }
class LibCxxUnorderedMapIteratorSyntheticFrontEnd
: public SyntheticChildrenFrontEnd {
public:
LibCxxUnorderedMapIteratorSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
~LibCxxUnorderedMapIteratorSyntheticFrontEnd() override = default;
size_t CalculateNumChildren() override;
lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
bool Update() override;
bool MightHaveChildren() override;
size_t GetIndexOfChildWithName(ConstString name) override;
private:
ValueObject *m_iter_ptr = nullptr; ///< Held, not owned. Child of iterator
///< ValueObject supplied at construction.
lldb::ValueObjectSP m_pair_sp; ///< ValueObject for the key/value pair
///< that the iterator currently points
///< to.
};
SyntheticChildrenFrontEnd *
LibCxxUnorderedMapIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibCxxVectorIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
class LibcxxSharedPtrSyntheticFrontEnd : public SyntheticChildrenFrontEnd {
public:
LibcxxSharedPtrSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
size_t CalculateNumChildren() override;
lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
bool Update() override;
bool MightHaveChildren() override;
size_t GetIndexOfChildWithName(ConstString name) override;
~LibcxxSharedPtrSyntheticFrontEnd() override;
private:
ValueObject *m_cntrl;
};
class LibcxxUniquePtrSyntheticFrontEnd : public SyntheticChildrenFrontEnd {
public:
LibcxxUniquePtrSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
size_t CalculateNumChildren() override;
lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
bool Update() override;
bool MightHaveChildren() override;
size_t GetIndexOfChildWithName(ConstString name) override;
~LibcxxUniquePtrSyntheticFrontEnd() override;
private:
lldb::ValueObjectSP m_value_ptr_sp;
lldb::ValueObjectSP m_deleter_sp;
};
SyntheticChildrenFrontEnd *
LibcxxBitsetSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxSharedPtrSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxUniquePtrSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxStdVectorSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxStdListSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxStdForwardListSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxStdMapSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxStdUnorderedMapSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxInitializerListSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *LibcxxQueueFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *LibcxxTupleFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxOptionalSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP valobj_sp);
SyntheticChildrenFrontEnd *
LibcxxVariantFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP valobj_sp);
SyntheticChildrenFrontEnd *
LibcxxStdSpanSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
SyntheticChildrenFrontEnd *
LibcxxStdRangesRefViewSyntheticFrontEndCreator(CXXSyntheticChildren *,
lldb::ValueObjectSP);
} // namespace formatters
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_LANGUAGE_CPLUSPLUS_LIBCXX_H
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