diff options
Diffstat (limited to 'source/Plugins/Language/CPlusPlus/LibStdcpp.cpp')
| -rw-r--r-- | source/Plugins/Language/CPlusPlus/LibStdcpp.cpp | 191 |
1 files changed, 147 insertions, 44 deletions
diff --git a/source/Plugins/Language/CPlusPlus/LibStdcpp.cpp b/source/Plugins/Language/CPlusPlus/LibStdcpp.cpp index ed89c5c84ea3..6d6f915f68e2 100644 --- a/source/Plugins/Language/CPlusPlus/LibStdcpp.cpp +++ b/source/Plugins/Language/CPlusPlus/LibStdcpp.cpp @@ -1,4 +1,4 @@ -//===-- LibStdcpp.cpp ---------------------------------------------*- C++ -*-===// +//===-- LibStdcpp.cpp -------------------------------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // @@ -9,6 +9,10 @@ #include "LibStdcpp.h" +// C Includes +// C++ Includes +// Other libraries and framework includes +// Project includes #include "lldb/Core/DataBufferHeap.h" #include "lldb/Core/Error.h" #include "lldb/Core/Stream.h" @@ -24,11 +28,25 @@ using namespace lldb; using namespace lldb_private; using namespace lldb_private::formatters; +namespace +{ + class LibstdcppMapIteratorSyntheticFrontEnd : public SyntheticChildrenFrontEnd { + /* + (std::_Rb_tree_iterator<std::pair<const int, std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >) ibeg = { + (_Base_ptr) _M_node = 0x0000000100103910 { + (std::_Rb_tree_color) _M_color = _S_black + (std::_Rb_tree_node_base::_Base_ptr) _M_parent = 0x00000001001038c0 + (std::_Rb_tree_node_base::_Base_ptr) _M_left = 0x0000000000000000 + (std::_Rb_tree_node_base::_Base_ptr) _M_right = 0x0000000000000000 + } + } + */ + public: - LibstdcppMapIteratorSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp); - + explicit LibstdcppMapIteratorSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp); + size_t CalculateNumChildren() override; @@ -44,41 +62,45 @@ public: size_t GetIndexOfChildWithName (const ConstString &name) override; - ~LibstdcppMapIteratorSyntheticFrontEnd() override; - private: ExecutionContextRef m_exe_ctx_ref; lldb::addr_t m_pair_address; CompilerType m_pair_type; - EvaluateExpressionOptions m_options; lldb::ValueObjectSP m_pair_sp; }; -/* - (std::_Rb_tree_iterator<std::pair<const int, std::basic_string<char, std::char_traits<char>, std::allocator<char> > > >) ibeg = { - (_Base_ptr) _M_node = 0x0000000100103910 { - (std::_Rb_tree_color) _M_color = _S_black - (std::_Rb_tree_node_base::_Base_ptr) _M_parent = 0x00000001001038c0 - (std::_Rb_tree_node_base::_Base_ptr) _M_left = 0x0000000000000000 - (std::_Rb_tree_node_base::_Base_ptr) _M_right = 0x0000000000000000 - } - } - */ +class LibStdcppSharedPtrSyntheticFrontEnd : public SyntheticChildrenFrontEnd +{ +public: + explicit LibStdcppSharedPtrSyntheticFrontEnd(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; +}; + +} // end of anonymous namespace LibstdcppMapIteratorSyntheticFrontEnd::LibstdcppMapIteratorSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) : - SyntheticChildrenFrontEnd(*valobj_sp.get()), + SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_pair_address(0), m_pair_type(), - m_options(), m_pair_sp() { if (valobj_sp) Update(); - m_options.SetCoerceToId(false); - m_options.SetUnwindOnError(true); - m_options.SetKeepInMemory(true); - m_options.SetUseDynamic(lldb::eDynamicCanRunTarget); } bool @@ -159,15 +181,10 @@ LibstdcppMapIteratorSyntheticFrontEnd::GetIndexOfChildWithName (const ConstStrin return UINT32_MAX; } -LibstdcppMapIteratorSyntheticFrontEnd::~LibstdcppMapIteratorSyntheticFrontEnd () -{} - SyntheticChildrenFrontEnd* lldb_private::formatters::LibstdcppMapIteratorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp) { - if (!valobj_sp) - return NULL; - return (new LibstdcppMapIteratorSyntheticFrontEnd(valobj_sp)); + return (valobj_sp ? new LibstdcppMapIteratorSyntheticFrontEnd(valobj_sp) : nullptr); } /* @@ -185,24 +202,22 @@ lldb_private::formatters::LibStdcppVectorIteratorSyntheticFrontEndCreator (CXXSy static ConstString g_item_name; if (!g_item_name) g_item_name.SetCString("_M_current"); - if (!valobj_sp) - return NULL; - return (new VectorIteratorSyntheticFrontEnd(valobj_sp,g_item_name)); + return (valobj_sp ? new VectorIteratorSyntheticFrontEnd(valobj_sp, g_item_name) : nullptr); } lldb_private::formatters::VectorIteratorSyntheticFrontEnd::VectorIteratorSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp, ConstString item_name) : -SyntheticChildrenFrontEnd(*valobj_sp.get()), -m_exe_ctx_ref(), -m_item_name(item_name), -m_item_sp() + SyntheticChildrenFrontEnd(*valobj_sp), + m_exe_ctx_ref(), + m_item_name(item_name), + m_item_sp() { if (valobj_sp) Update(); } bool -lldb_private::formatters::VectorIteratorSyntheticFrontEnd::Update() +VectorIteratorSyntheticFrontEnd::Update() { m_item_sp.reset(); @@ -227,13 +242,13 @@ lldb_private::formatters::VectorIteratorSyntheticFrontEnd::Update() } size_t -lldb_private::formatters::VectorIteratorSyntheticFrontEnd::CalculateNumChildren () +VectorIteratorSyntheticFrontEnd::CalculateNumChildren() { return 1; } lldb::ValueObjectSP -lldb_private::formatters::VectorIteratorSyntheticFrontEnd::GetChildAtIndex (size_t idx) +VectorIteratorSyntheticFrontEnd::GetChildAtIndex(size_t idx) { if (idx == 0) return m_item_sp; @@ -241,23 +256,19 @@ lldb_private::formatters::VectorIteratorSyntheticFrontEnd::GetChildAtIndex (size } bool -lldb_private::formatters::VectorIteratorSyntheticFrontEnd::MightHaveChildren () +VectorIteratorSyntheticFrontEnd::MightHaveChildren() { return true; } size_t -lldb_private::formatters::VectorIteratorSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name) +VectorIteratorSyntheticFrontEnd::GetIndexOfChildWithName(const ConstString &name) { if (name == ConstString("item")) return 0; return UINT32_MAX; } -lldb_private::formatters::VectorIteratorSyntheticFrontEnd::~VectorIteratorSyntheticFrontEnd () -{ -} - bool lldb_private::formatters::LibStdcppStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options) { @@ -371,3 +382,95 @@ lldb_private::formatters::LibStdcppWStringSummaryProvider (ValueObject& valobj, } return false; } + +LibStdcppSharedPtrSyntheticFrontEnd::LibStdcppSharedPtrSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp) + : SyntheticChildrenFrontEnd(*valobj_sp) +{ + if (valobj_sp) + Update(); +} + +size_t +LibStdcppSharedPtrSyntheticFrontEnd::CalculateNumChildren() +{ + return 1; +} + +lldb::ValueObjectSP +LibStdcppSharedPtrSyntheticFrontEnd::GetChildAtIndex(size_t idx) +{ + ValueObjectSP valobj_sp = m_backend.GetSP(); + if (!valobj_sp) + return lldb::ValueObjectSP(); + + if (idx == 0) + return valobj_sp->GetChildMemberWithName(ConstString("_M_ptr"), true); + else + return lldb::ValueObjectSP(); +} + +bool +LibStdcppSharedPtrSyntheticFrontEnd::Update() +{ + return false; +} + +bool +LibStdcppSharedPtrSyntheticFrontEnd::MightHaveChildren() +{ + return true; +} + +size_t +LibStdcppSharedPtrSyntheticFrontEnd::GetIndexOfChildWithName(const ConstString &name) +{ + if (name == ConstString("_M_ptr")) + return 0; + return UINT32_MAX; +} + +SyntheticChildrenFrontEnd * +lldb_private::formatters::LibStdcppSharedPtrSyntheticFrontEndCreator(CXXSyntheticChildren *, + lldb::ValueObjectSP valobj_sp) +{ + return (valobj_sp ? new LibStdcppSharedPtrSyntheticFrontEnd(valobj_sp) : nullptr); +} + +bool +lldb_private::formatters::LibStdcppSmartPointerSummaryProvider(ValueObject &valobj, Stream &stream, + const TypeSummaryOptions &options) +{ + ValueObjectSP valobj_sp(valobj.GetNonSyntheticValue()); + if (!valobj_sp) + return false; + + ValueObjectSP ptr_sp(valobj_sp->GetChildMemberWithName(ConstString("_M_ptr"), true)); + if (!ptr_sp) + return false; + + ValueObjectSP usecount_sp( + valobj_sp->GetChildAtNamePath({ConstString("_M_refcount"), ConstString("_M_pi"), ConstString("_M_use_count")})); + if (!usecount_sp) + return false; + + if (ptr_sp->GetValueAsUnsigned(0) == 0 || usecount_sp->GetValueAsUnsigned(0) == 0) + { + stream.Printf("nullptr"); + return true; + } + + Error error; + ValueObjectSP pointee_sp = ptr_sp->Dereference(error); + if (pointee_sp && error.Success()) + { + if (pointee_sp->DumpPrintableRepresentation(stream, ValueObject::eValueObjectRepresentationStyleSummary, + lldb::eFormatInvalid, + ValueObject::ePrintableRepresentationSpecialCasesDisable, false)) + { + return true; + } + } + + stream.Printf("ptr = 0x%" PRIx64, ptr_sp->GetValueAsUnsigned(0)); + return true; +} |