diff options
Diffstat (limited to 'lldb/source/Plugins/Language/CPlusPlus')
4 files changed, 119 insertions, 0 deletions
diff --git a/lldb/source/Plugins/Language/CPlusPlus/CMakeLists.txt b/lldb/source/Plugins/Language/CPlusPlus/CMakeLists.txt index 4c6ec7910a6..63a1335015a 100644 --- a/lldb/source/Plugins/Language/CPlusPlus/CMakeLists.txt +++ b/lldb/source/Plugins/Language/CPlusPlus/CMakeLists.txt @@ -11,4 +11,5 @@ add_lldb_library(lldbPluginCPlusPlusLanguage LibCxxVector.cpp LibStdcpp.cpp LibStdcppSmartPointer.cpp + LibStdcppTuple.cpp ) diff --git a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp index 5ada1aef2bf..f0b5fb8b4c1 100644 --- a/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp +++ b/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.cpp @@ -811,6 +811,11 @@ static void LoadLibStdcppFormatters(lldb::TypeCategoryImplSP cpp_category_sp) { lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator, "std::weak_ptr synthetic children", ConstString("^std::weak_ptr<.+>(( )?&)?$"), stl_synth_flags, true); + AddCXXSynthetic( + cpp_category_sp, + lldb_private::formatters::LibStdcppTupleSyntheticFrontEndCreator, + "std::tuple synthetic children", ConstString("^std::tuple<.+>(( )?&)?$"), + stl_synth_flags, true); AddCXXSummary(cpp_category_sp, lldb_private::formatters::LibStdcppSmartPointerSummaryProvider, diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibStdcpp.h b/lldb/source/Plugins/Language/CPlusPlus/LibStdcpp.h index c6c53562691..1c579af7f62 100644 --- a/lldb/source/Plugins/Language/CPlusPlus/LibStdcpp.h +++ b/lldb/source/Plugins/Language/CPlusPlus/LibStdcpp.h @@ -36,6 +36,10 @@ LibstdcppMapIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *, lldb::ValueObjectSP); SyntheticChildrenFrontEnd * +LibStdcppTupleSyntheticFrontEndCreator(CXXSyntheticChildren *, + lldb::ValueObjectSP); + +SyntheticChildrenFrontEnd * LibStdcppVectorIteratorSyntheticFrontEndCreator(CXXSyntheticChildren *, lldb::ValueObjectSP); diff --git a/lldb/source/Plugins/Language/CPlusPlus/LibStdcppTuple.cpp b/lldb/source/Plugins/Language/CPlusPlus/LibStdcppTuple.cpp new file mode 100644 index 00000000000..42f006a94e2 --- /dev/null +++ b/lldb/source/Plugins/Language/CPlusPlus/LibStdcppTuple.cpp @@ -0,0 +1,109 @@ +//===-- LibStdcppTuple.cpp --------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "LibStdcpp.h" + +#include <memory> +#include <vector> + +#include "lldb/Core/ConstString.h" +#include "lldb/Core/ValueObject.h" +#include "lldb/DataFormatters/FormattersHelpers.h" +#include "lldb/DataFormatters/TypeSynthetic.h" + +using namespace lldb; +using namespace lldb_private; +using namespace lldb_private::formatters; + +namespace { + +class LibStdcppTupleSyntheticFrontEnd : public SyntheticChildrenFrontEnd { +public: + explicit LibStdcppTupleSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp); + + size_t CalculateNumChildren() override; + + lldb::ValueObjectSP GetChildAtIndex(size_t idx) override; + + bool Update() override; + + bool MightHaveChildren() override; + + size_t GetIndexOfChildWithName(const ConstString &name) override; + +private: + std::vector<ValueObjectSP> m_members; +}; + +} // end of anonymous namespace + +LibStdcppTupleSyntheticFrontEnd::LibStdcppTupleSyntheticFrontEnd( + lldb::ValueObjectSP valobj_sp) + : SyntheticChildrenFrontEnd(*valobj_sp) { + Update(); +} + +bool LibStdcppTupleSyntheticFrontEnd::Update() { + m_members.clear(); + + ValueObjectSP valobj_backend_sp = m_backend.GetSP(); + if (!valobj_backend_sp) + return false; + + ValueObjectSP next_child_sp = valobj_backend_sp->GetNonSyntheticValue(); + while (next_child_sp != nullptr) { + ValueObjectSP current_child = next_child_sp; + next_child_sp = nullptr; + + size_t child_count = current_child->GetNumChildren(); + for (size_t i = 0; i < child_count; ++i) { + ValueObjectSP child_sp = current_child->GetChildAtIndex(i, true); + llvm::StringRef name_str = child_sp->GetName().GetStringRef(); + if (name_str.startswith("std::_Tuple_impl<")) { + next_child_sp = child_sp; + } else if (name_str.startswith("std::_Head_base<")) { + ValueObjectSP value_sp = + child_sp->GetChildMemberWithName(ConstString("_M_head_impl"), true); + if (value_sp) { + StreamString name; + name.Printf("[%zd]", m_members.size()); + value_sp->SetName(ConstString(name.GetData())); + + m_members.push_back(value_sp); + } + } + } + } + + return false; +} + +bool LibStdcppTupleSyntheticFrontEnd::MightHaveChildren() { return true; } + +lldb::ValueObjectSP +LibStdcppTupleSyntheticFrontEnd::GetChildAtIndex(size_t idx) { + if (idx < m_members.size()) + return m_members[idx]; + return lldb::ValueObjectSP(); +} + +size_t LibStdcppTupleSyntheticFrontEnd::CalculateNumChildren() { + return m_members.size(); +} + +size_t LibStdcppTupleSyntheticFrontEnd::GetIndexOfChildWithName( + const ConstString &name) { + return ExtractIndexFromString(name.GetCString()); +} + +SyntheticChildrenFrontEnd * +lldb_private::formatters::LibStdcppTupleSyntheticFrontEndCreator( + CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) { + return (valobj_sp ? new LibStdcppTupleSyntheticFrontEnd(valobj_sp) : nullptr); +} |
