Move the C++ data formatters to the C++ language plugin

llvm-svn: 246873

1 files changed, 0 insertions, 636 deletions

diff --git a/lldb/source/DataFormatters/LibCxx.cpp b/lldb/source/DataFormatters/LibCxx.cpp
deleted file mode 100644
index 298d124280f..00000000000
--- a/lldb/source/DataFormatters/LibCxx.cpp
+++ /dev/null
@@ -1,636 +0,0 @@
-//===-- LibCxx.cpp ----------------------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "lldb/DataFormatters/LibCxx.h"
-
-#include "lldb/Core/DataBufferHeap.h"
-#include "lldb/Core/Debugger.h"
-#include "lldb/Core/Error.h"
-#include "lldb/Core/FormatEntity.h"
-#include "lldb/Core/Stream.h"
-#include "lldb/Core/ValueObject.h"
-#include "lldb/Core/ValueObjectConstResult.h"
-#include "lldb/DataFormatters/FormattersHelpers.h"
-#include "lldb/DataFormatters/StringPrinter.h"
-#include "lldb/DataFormatters/TypeSummary.h"
-#include "lldb/DataFormatters/VectorIterator.h"
-#include "lldb/Host/Endian.h"
-#include "lldb/Symbol/ClangASTContext.h"
-#include "lldb/Target/Target.h"
-
-using namespace lldb;
-using namespace lldb_private;
-using namespace lldb_private::formatters;
-
-bool
-lldb_private::formatters::LibcxxSmartPointerSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
-{
-    ValueObjectSP valobj_sp(valobj.GetNonSyntheticValue());
-    if (!valobj_sp)
-        return false;
-    ValueObjectSP ptr_sp(valobj_sp->GetChildMemberWithName(ConstString("__ptr_"), true));
-    ValueObjectSP count_sp(valobj_sp->GetChildAtNamePath( {ConstString("__cntrl_"),ConstString("__shared_owners_")} ));
-    ValueObjectSP weakcount_sp(valobj_sp->GetChildAtNamePath( {ConstString("__cntrl_"),ConstString("__shared_weak_owners_")} ));
-    
-    if (!ptr_sp)
-        return false;
-    
-    if (ptr_sp->GetValueAsUnsigned(0) == 0)
-    {
-        stream.Printf("nullptr");
-        return true;
-    }
-    else
-    {
-        bool print_pointee = false;
-        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))
-                print_pointee = true;
-        }
-        if (!print_pointee)
-            stream.Printf("ptr = 0x%" PRIx64, ptr_sp->GetValueAsUnsigned(0));
-    }
-    
-    if (count_sp)
-        stream.Printf(" strong=%" PRIu64, 1+count_sp->GetValueAsUnsigned(0));
-
-    if (weakcount_sp)
-        stream.Printf(" weak=%" PRIu64, 1+weakcount_sp->GetValueAsUnsigned(0));
-    
-    return true;
-}
-
-lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::LibcxxVectorBoolSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
-SyntheticChildrenFrontEnd(*valobj_sp.get()),
-m_bool_type(),
-m_exe_ctx_ref(),
-m_count(0),
-m_base_data_address(0),
-m_children()
-{
-    if (valobj_sp)
-    {
-        Update();
-        m_bool_type = valobj_sp->GetCompilerType().GetBasicTypeFromAST(lldb::eBasicTypeBool);
-    }
-}
-
-size_t
-lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::CalculateNumChildren ()
-{
-    return m_count;
-}
-
-lldb::ValueObjectSP
-lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::GetChildAtIndex (size_t idx)
-{
-    auto iter = m_children.find(idx),
-        end = m_children.end();
-    if (iter != end)
-        return iter->second;
-    if (idx >= m_count)
-        return ValueObjectSP();
-    if (m_base_data_address == 0 || m_count == 0)
-        return ValueObjectSP();
-    if (!m_bool_type)
-        return ValueObjectSP();
-    size_t byte_idx = (idx >> 3); // divide by 8 to get byte index
-    size_t bit_index = (idx & 7); // efficient idx % 8 for bit index
-    lldb::addr_t byte_location = m_base_data_address + byte_idx;
-    ProcessSP process_sp(m_exe_ctx_ref.GetProcessSP());
-    if (!process_sp)
-        return ValueObjectSP();
-    uint8_t byte = 0;
-    uint8_t mask = 0;
-    Error err;
-    size_t bytes_read = process_sp->ReadMemory(byte_location, &byte, 1, err);
-    if (err.Fail() || bytes_read == 0)
-        return ValueObjectSP();
-    switch (bit_index)
-    {
-        case 0:
-            mask = 1; break;
-        case 1:
-            mask = 2; break;
-        case 2:
-            mask = 4; break;
-        case 3:
-            mask = 8; break;
-        case 4:
-            mask = 16; break;
-        case 5:
-            mask = 32; break;
-        case 6:
-            mask = 64; break;
-        case 7:
-            mask = 128; break;
-        default:
-            return ValueObjectSP();
-    }
-    bool bit_set = ((byte & mask) != 0);
-    DataBufferSP buffer_sp(new DataBufferHeap(m_bool_type.GetByteSize(nullptr),0));
-    if (bit_set && buffer_sp && buffer_sp->GetBytes())
-        *(buffer_sp->GetBytes()) = 1; // regardless of endianness, anything non-zero is true
-    StreamString name; name.Printf("[%" PRIu64 "]", (uint64_t)idx);
-    ValueObjectSP retval_sp(CreateValueObjectFromData(name.GetData(), DataExtractor(buffer_sp, process_sp->GetByteOrder(), process_sp->GetAddressByteSize()), m_exe_ctx_ref, m_bool_type));
-    if (retval_sp)
-        m_children[idx] = retval_sp;
-    return retval_sp;
-}
-
-/*(std::__1::vector<std::__1::allocator<bool> >) vBool = {
- __begin_ = 0x00000001001000e0
- __size_ = 56
- __cap_alloc_ = {
- std::__1::__libcpp_compressed_pair_imp<unsigned long, std::__1::allocator<unsigned long> > = {
- __first_ = 1
- }
- }
- }*/
-
-bool
-lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::Update()
-{
-    m_children.clear();
-    ValueObjectSP valobj_sp = m_backend.GetSP();
-    if (!valobj_sp)
-        return false;
-    m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
-    ValueObjectSP size_sp(valobj_sp->GetChildMemberWithName(ConstString("__size_"), true));
-    if (!size_sp)
-        return false;
-    m_count = size_sp->GetValueAsUnsigned(0);
-    if (!m_count)
-        return true;
-    ValueObjectSP begin_sp(valobj_sp->GetChildMemberWithName(ConstString("__begin_"), true));
-    if (!begin_sp)
-    {
-        m_count = 0;
-        return false;
-    }
-    m_base_data_address = begin_sp->GetValueAsUnsigned(0);
-    if (!m_base_data_address)
-    {
-        m_count = 0;
-        return false;
-    }
-    return false;
-}
-
-bool
-lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::MightHaveChildren ()
-{
-    return true;
-}
-
-size_t
-lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name)
-{
-    if (!m_count || !m_base_data_address)
-        return UINT32_MAX;
-    const char* item_name = name.GetCString();
-    uint32_t idx = ExtractIndexFromString(item_name);
-    if (idx < UINT32_MAX && idx >= CalculateNumChildren())
-        return UINT32_MAX;
-    return idx;
-}
-
-lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEnd::~LibcxxVectorBoolSyntheticFrontEnd ()
-{}
-
-SyntheticChildrenFrontEnd*
-lldb_private::formatters::LibcxxVectorBoolSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
-{
-    if (!valobj_sp)
-        return NULL;
-    return (new LibcxxVectorBoolSyntheticFrontEnd(valobj_sp));
-}
-
-/*
- (lldb) fr var ibeg --raw --ptr-depth 1
- (std::__1::__map_iterator<std::__1::__tree_iterator<std::__1::pair<int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, std::__1::__tree_node<std::__1::pair<int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, void *> *, long> >) ibeg = {
- __i_ = {
- __ptr_ = 0x0000000100103870 {
- std::__1::__tree_node_base<void *> = {
- std::__1::__tree_end_node<std::__1::__tree_node_base<void *> *> = {
- __left_ = 0x0000000000000000
- }
- __right_ = 0x0000000000000000
- __parent_ = 0x00000001001038b0
- __is_black_ = true
- }
- __value_ = {
- first = 0
- second = { std::string }
- */
-
-lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::LibCxxMapIteratorSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
-SyntheticChildrenFrontEnd(*valobj_sp.get()),
-m_pair_ptr()
-{
-    if (valobj_sp)
-        Update();
-}
-
-bool
-lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::Update()
-{
-    ValueObjectSP valobj_sp = m_backend.GetSP();
-    if (!valobj_sp)
-        return false;
-    
-    TargetSP target_sp(valobj_sp->GetTargetSP());
-    
-    if (!target_sp)
-        return false;
-
-    if (!valobj_sp)
-        return false;
-
-    // this must be a ValueObject* because it is a child of the ValueObject we are producing children for
-    // it if were a ValueObjectSP, we would end up with a loop (iterator -> synthetic -> child -> parent == iterator)
-    // and that would in turn leak memory by never allowing the ValueObjects to die and free their memory
-    m_pair_ptr = valobj_sp->GetValueForExpressionPath(".__i_.__ptr_->__value_",
-                                                     NULL,
-                                                     NULL,
-                                                     NULL,
-                                                     ValueObject::GetValueForExpressionPathOptions().DontCheckDotVsArrowSyntax().SetSyntheticChildrenTraversal(ValueObject::GetValueForExpressionPathOptions::SyntheticChildrenTraversal::None),
-                                                     NULL).get();
-    
-    return false;
-}
-
-size_t
-lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::CalculateNumChildren ()
-{
-    return 2;
-}
-
-lldb::ValueObjectSP
-lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::GetChildAtIndex (size_t idx)
-{
-    if (!m_pair_ptr)
-        return lldb::ValueObjectSP();
-    return m_pair_ptr->GetChildAtIndex(idx, true);
-}
-
-bool
-lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::MightHaveChildren ()
-{
-    return true;
-}
-
-size_t
-lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name)
-{
-    if (name == ConstString("first"))
-        return 0;
-    if (name == ConstString("second"))
-        return 1;
-    return UINT32_MAX;
-}
-
-lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEnd::~LibCxxMapIteratorSyntheticFrontEnd ()
-{
-    // this will be deleted when its parent dies (since it's a child object)
-    //delete m_pair_ptr;
-}
-
-SyntheticChildrenFrontEnd*
-lldb_private::formatters::LibCxxMapIteratorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
-{
-    if (!valobj_sp)
-        return NULL;
-    return (new LibCxxMapIteratorSyntheticFrontEnd(valobj_sp));
-}
-
-/*
- (lldb) fr var ibeg --raw --ptr-depth 1 -T
- (std::__1::__wrap_iter<int *>) ibeg = {
- (std::__1::__wrap_iter<int *>::iterator_type) __i = 0x00000001001037a0 {
- (int) *__i = 1
- }
- }
-*/
-
-SyntheticChildrenFrontEnd*
-lldb_private::formatters::LibCxxVectorIteratorSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
-{
-    static ConstString g_item_name;
-    if (!g_item_name)
-        g_item_name.SetCString("__i");
-    if (!valobj_sp)
-        return NULL;
-    return (new VectorIteratorSyntheticFrontEnd(valobj_sp,g_item_name));
-}
-
-lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::LibcxxSharedPtrSyntheticFrontEnd (lldb::ValueObjectSP valobj_sp) :
-SyntheticChildrenFrontEnd(*valobj_sp.get()),
-m_cntrl(NULL),
-m_count_sp(),
-m_weak_count_sp(),
-m_ptr_size(0),
-m_byte_order(lldb::eByteOrderInvalid)
-{
-    if (valobj_sp)
-        Update();
-}
-
-size_t
-lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::CalculateNumChildren ()
-{
-    return (m_cntrl ? 1 : 0);
-}
-
-lldb::ValueObjectSP
-lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::GetChildAtIndex (size_t idx)
-{
-    if (!m_cntrl)
-        return lldb::ValueObjectSP();
-
-    ValueObjectSP valobj_sp = m_backend.GetSP();
-    if (!valobj_sp)
-        return lldb::ValueObjectSP();
-
-    if (idx == 0)
-        return valobj_sp->GetChildMemberWithName(ConstString("__ptr_"), true);
-
-    if (idx > 2)
-        return lldb::ValueObjectSP();
-
-    if (idx == 1)
-    {
-        if (!m_count_sp)
-        {
-            ValueObjectSP shared_owners_sp(m_cntrl->GetChildMemberWithName(ConstString("__shared_owners_"),true));
-            if (!shared_owners_sp)
-                return lldb::ValueObjectSP();
-            uint64_t count = 1 + shared_owners_sp->GetValueAsUnsigned(0);
-            DataExtractor data(&count, 8, m_byte_order, m_ptr_size);
-            m_count_sp = CreateValueObjectFromData("count", data, valobj_sp->GetExecutionContextRef(), shared_owners_sp->GetCompilerType());
-        }
-        return m_count_sp;
-    }
-    else /* if (idx == 2) */
-    {
-        if (!m_weak_count_sp)
-        {
-            ValueObjectSP shared_weak_owners_sp(m_cntrl->GetChildMemberWithName(ConstString("__shared_weak_owners_"),true));
-            if (!shared_weak_owners_sp)
-                return lldb::ValueObjectSP();
-            uint64_t count = 1 + shared_weak_owners_sp->GetValueAsUnsigned(0);
-            DataExtractor data(&count, 8, m_byte_order, m_ptr_size);
-            m_weak_count_sp = CreateValueObjectFromData("count", data, valobj_sp->GetExecutionContextRef(), shared_weak_owners_sp->GetCompilerType());
-        }
-        return m_weak_count_sp;
-    }
-}
-
-bool
-lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::Update()
-{
-    m_count_sp.reset();
-    m_weak_count_sp.reset();
-    m_cntrl = NULL;
-    
-    ValueObjectSP valobj_sp = m_backend.GetSP();
-    if (!valobj_sp)
-        return false;
-    
-    TargetSP target_sp(valobj_sp->GetTargetSP());
-    if (!target_sp)
-        return false;
-    
-    m_byte_order = target_sp->GetArchitecture().GetByteOrder();
-    m_ptr_size = target_sp->GetArchitecture().GetAddressByteSize();
-    
-    lldb::ValueObjectSP cntrl_sp(valobj_sp->GetChildMemberWithName(ConstString("__cntrl_"),true));
-    
-    m_cntrl = cntrl_sp.get(); // need to store the raw pointer to avoid a circular dependency
-    return false;
-}
-
-bool
-lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::MightHaveChildren ()
-{
-    return true;
-}
-
-size_t
-lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::GetIndexOfChildWithName (const ConstString &name)
-{
-    if (name == ConstString("__ptr_"))
-        return 0;
-    if (name == ConstString("count"))
-        return 1;
-    if (name == ConstString("weak_count"))
-        return 2;
-    return UINT32_MAX;
-}
-
-lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEnd::~LibcxxSharedPtrSyntheticFrontEnd ()
-{}
-
-SyntheticChildrenFrontEnd*
-lldb_private::formatters::LibcxxSharedPtrSyntheticFrontEndCreator (CXXSyntheticChildren*, lldb::ValueObjectSP valobj_sp)
-{
-    if (!valobj_sp)
-        return NULL;
-    return (new LibcxxSharedPtrSyntheticFrontEnd(valobj_sp));
-}
-
-bool
-lldb_private::formatters::LibcxxContainerSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
-{
-    if (valobj.IsPointerType())
-    {
-        uint64_t value = valobj.GetValueAsUnsigned(0);
-        if (!value)
-            return false;
-        stream.Printf("0x%016" PRIx64 " ", value);
-    }
-    return FormatEntity::FormatStringRef("size=${svar%#}", stream, NULL, NULL, NULL, &valobj, false, false);
-}
-
-// the field layout in a libc++ string (cap, side, data or data, size, cap)
-enum LibcxxStringLayoutMode
-{
-    eLibcxxStringLayoutModeCSD = 0,
-    eLibcxxStringLayoutModeDSC = 1,
-    eLibcxxStringLayoutModeInvalid = 0xffff
-};
-
-// this function abstracts away the layout and mode details of a libc++ string
-// and returns the address of the data and the size ready for callers to consume
-static bool
-ExtractLibcxxStringInfo (ValueObject& valobj,
-                         ValueObjectSP &location_sp,
-                         uint64_t& size)
-{
-    ValueObjectSP D(valobj.GetChildAtIndexPath({0,0,0,0}));
-    if (!D)
-        return false;
-    
-    ValueObjectSP layout_decider(D->GetChildAtIndexPath({0,0}));
-    
-    // this child should exist
-    if (!layout_decider)
-        return false;
-    
-    ConstString g_data_name("__data_");
-    ConstString g_size_name("__size_");
-    bool short_mode = false; // this means the string is in short-mode and the data is stored inline
-    LibcxxStringLayoutMode layout = (layout_decider->GetName() == g_data_name) ? eLibcxxStringLayoutModeDSC : eLibcxxStringLayoutModeCSD;
-    uint64_t size_mode_value = 0;
-    
-    if (layout == eLibcxxStringLayoutModeDSC)
-    {
-        ValueObjectSP size_mode(D->GetChildAtIndexPath({1,1,0}));
-        if (!size_mode)
-            return false;
-        
-        if (size_mode->GetName() != g_size_name)
-        {
-            // we are hitting the padding structure, move along
-            size_mode = D->GetChildAtIndexPath({1,1,1});
-            if (!size_mode)
-                return false;
-        }
-        
-        size_mode_value = (size_mode->GetValueAsUnsigned(0));
-        short_mode = ((size_mode_value & 0x80) == 0);
-    }
-    else
-    {
-        ValueObjectSP size_mode(D->GetChildAtIndexPath({1,0,0}));
-        if (!size_mode)
-            return false;
-        
-        size_mode_value = (size_mode->GetValueAsUnsigned(0));
-        short_mode = ((size_mode_value & 1) == 0);
-    }
-    
-    if (short_mode)
-    {
-        ValueObjectSP s(D->GetChildAtIndex(1, true));
-        if (!s)
-            return false;
-        location_sp = s->GetChildAtIndex((layout == eLibcxxStringLayoutModeDSC) ? 0 : 1, true);
-        size = (layout == eLibcxxStringLayoutModeDSC) ? size_mode_value : ((size_mode_value >> 1) % 256);
-        return (location_sp.get() != nullptr);
-    }
-    else
-    {
-        ValueObjectSP l(D->GetChildAtIndex(0, true));
-        if (!l)
-            return false;
-        // we can use the layout_decider object as the data pointer
-        location_sp = (layout == eLibcxxStringLayoutModeDSC) ? layout_decider : l->GetChildAtIndex(2, true);
-        ValueObjectSP size_vo(l->GetChildAtIndex(1, true));
-        if (!size_vo || !location_sp)
-            return false;
-        size = size_vo->GetValueAsUnsigned(0);
-        return true;
-    }
-}
-
-bool
-lldb_private::formatters::LibcxxWStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& summary_options)
-{
-    uint64_t size = 0;
-    ValueObjectSP location_sp((ValueObject*)nullptr);
-    if (!ExtractLibcxxStringInfo(valobj, location_sp, size))
-        return false;
-    if (size == 0)
-    {
-        stream.Printf("L\"\"");
-        return true;
-    }
-    if (!location_sp)
-        return false;
-    
-    DataExtractor extractor;
-    if (summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryCapped)
-        size = std::min<decltype(size)>(size, valobj.GetTargetSP()->GetMaximumSizeOfStringSummary());
-    location_sp->GetPointeeData(extractor, 0, size);
-    
-    // std::wstring::size() is measured in 'characters', not bytes
-    auto wchar_t_size = valobj.GetTargetSP()->GetScratchClangASTContext()->GetBasicType(lldb::eBasicTypeWChar).GetByteSize(nullptr);
-    
-    ReadBufferAndDumpToStreamOptions options(valobj);
-    options.SetData(extractor);
-    options.SetStream(&stream);
-    options.SetPrefixToken('L');
-    options.SetQuote('"');
-    options.SetSourceSize(size);
-    options.SetBinaryZeroIsTerminator(false);
-    
-    switch (wchar_t_size)
-    {
-        case 1:
-            lldb_private::formatters::ReadBufferAndDumpToStream<lldb_private::formatters::StringElementType::UTF8>(options);
-            break;
-            
-        case 2:
-            lldb_private::formatters::ReadBufferAndDumpToStream<lldb_private::formatters::StringElementType::UTF16>(options);
-            break;
-            
-        case 4:
-            lldb_private::formatters::ReadBufferAndDumpToStream<lldb_private::formatters::StringElementType::UTF32>(options);
-            break;
-            
-        default:
-            stream.Printf("size for wchar_t is not valid");
-            return true;
-    }
-    
-    return true;
-}
-
-bool
-lldb_private::formatters::LibcxxStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& summary_options)
-{
-    uint64_t size = 0;
-    ValueObjectSP location_sp((ValueObject*)nullptr);
-    
-    if (!ExtractLibcxxStringInfo(valobj, location_sp, size))
-        return false;
-    
-    if (size == 0)
-    {
-        stream.Printf("\"\"");
-        return true;
-    }
-    
-    if (!location_sp)
-        return false;
-    
-    DataExtractor extractor;
-    if (summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryCapped)
-        size = std::min<decltype(size)>(size, valobj.GetTargetSP()->GetMaximumSizeOfStringSummary());
-    location_sp->GetPointeeData(extractor, 0, size);
-    
-    ReadBufferAndDumpToStreamOptions options(valobj);
-    options.SetData(extractor);
-    options.SetStream(&stream);
-    options.SetPrefixToken(0);
-    options.SetQuote('"');
-    options.SetSourceSize(size);
-    options.SetBinaryZeroIsTerminator(false);
-    lldb_private::formatters::ReadBufferAndDumpToStream<lldb_private::formatters::StringElementType::ASCII>(options);
-    
-    return true;
-}