lldb/source/DataFormatters/FormatManager.cpp

//===-- FormatManager.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/FormatManager.h"

// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes

#include "lldb/Core/Debugger.h"
#include "lldb/DataFormatters/CF.h"
#include "lldb/DataFormatters/Cocoa.h"
#include "lldb/DataFormatters/CoreMedia.h"
#include "lldb/DataFormatters/CXXFunctionPointer.h"
#include "lldb/DataFormatters/VectorType.h"
#include "lldb/DataFormatters/FormattersHelpers.h"
#include "lldb/DataFormatters/LanguageCategory.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Language.h"
#include "lldb/Target/Platform.h"
#include "llvm/ADT/STLExtras.h"

#include <initializer_list>

using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::formatters;

struct FormatInfo
{
    Format format;
    const char format_char; // One or more format characters that can be used for this format.
    const char *format_name;    // Long format name that can be used to specify the current format
};

static FormatInfo 
g_format_infos[] = 
{
    { eFormatDefault        , '\0'  , "default"             },
    { eFormatBoolean        , 'B'   , "boolean"             },
    { eFormatBinary         , 'b'   , "binary"              },
    { eFormatBytes          , 'y'   , "bytes"               },
    { eFormatBytesWithASCII , 'Y'   , "bytes with ASCII"    },
    { eFormatChar           , 'c'   , "character"           },
    { eFormatCharPrintable  , 'C'   , "printable character" },
    { eFormatComplexFloat   , 'F'   , "complex float"       },
    { eFormatCString        , 's'   , "c-string"            },
    { eFormatDecimal        , 'd'   , "decimal"             },
    { eFormatEnum           , 'E'   , "enumeration"         },
    { eFormatHex            , 'x'   , "hex"                 },
    { eFormatHexUppercase   , 'X'   , "uppercase hex"       },
    { eFormatFloat          , 'f'   , "float"               },
    { eFormatOctal          , 'o'   , "octal"               },
    { eFormatOSType         , 'O'   , "OSType"              },
    { eFormatUnicode16      , 'U'   , "unicode16"           },
    { eFormatUnicode32      , '\0'  , "unicode32"           },
    { eFormatUnsigned       , 'u'   , "unsigned decimal"    },
    { eFormatPointer        , 'p'   , "pointer"             },
    { eFormatVectorOfChar   , '\0'  , "char[]"              },
    { eFormatVectorOfSInt8  , '\0'  , "int8_t[]"            },
    { eFormatVectorOfUInt8  , '\0'  , "uint8_t[]"           },
    { eFormatVectorOfSInt16 , '\0'  , "int16_t[]"           },
    { eFormatVectorOfUInt16 , '\0'  , "uint16_t[]"          },
    { eFormatVectorOfSInt32 , '\0'  , "int32_t[]"           },
    { eFormatVectorOfUInt32 , '\0'  , "uint32_t[]"          },
    { eFormatVectorOfSInt64 , '\0'  , "int64_t[]"           },
    { eFormatVectorOfUInt64 , '\0'  , "uint64_t[]"          },
    { eFormatVectorOfFloat32, '\0'  , "float32[]"           },
    { eFormatVectorOfFloat64, '\0'  , "float64[]"           },
    { eFormatVectorOfUInt128, '\0'  , "uint128_t[]"         },
    { eFormatComplexInteger , 'I'   , "complex integer"     },
    { eFormatCharArray      , 'a'   , "character array"     },
    { eFormatAddressInfo    , 'A'   , "address"             },
    { eFormatHexFloat       , '\0'  , "hex float"           },
    { eFormatInstruction    , 'i'   , "instruction"         },
    { eFormatVoid           , 'v'   , "void"                }
};

static uint32_t g_num_format_infos = llvm::array_lengthof(g_format_infos);

static bool
GetFormatFromFormatChar (char format_char, Format &format)
{
    for (uint32_t i=0; i<g_num_format_infos; ++i)
    {
        if (g_format_infos[i].format_char == format_char)
        {
            format = g_format_infos[i].format;
            return true;
        }
    }
    format = eFormatInvalid;
    return false;
}

static bool
GetFormatFromFormatName (const char *format_name, bool partial_match_ok, Format &format)
{
    uint32_t i;
    for (i=0; i<g_num_format_infos; ++i)
    {
        if (strcasecmp (g_format_infos[i].format_name, format_name) == 0)
        {
            format = g_format_infos[i].format;
            return true;
        }
    }
    
    if (partial_match_ok)
    {
        for (i=0; i<g_num_format_infos; ++i)
        {
            if (strcasestr (g_format_infos[i].format_name, format_name) == g_format_infos[i].format_name)
            {
                format = g_format_infos[i].format;
                return true;
            }
        }
    }
    format = eFormatInvalid;
    return false;
}

bool
FormatManager::GetFormatFromCString (const char *format_cstr,
                                     bool partial_match_ok,
                                     lldb::Format &format)
{
    bool success = false;
    if (format_cstr && format_cstr[0])
    {
        if (format_cstr[1] == '\0')
        {
            success = GetFormatFromFormatChar (format_cstr[0], format);
            if (success)
                return true;
        }
        
        success = GetFormatFromFormatName (format_cstr, partial_match_ok, format);
    }
    if (!success)
        format = eFormatInvalid;
    return success;
}

char
FormatManager::GetFormatAsFormatChar (lldb::Format format)
{
    for (uint32_t i=0; i<g_num_format_infos; ++i)
    {
        if (g_format_infos[i].format == format)
            return g_format_infos[i].format_char;
    }
    return '\0';
}

const char *
FormatManager::GetFormatAsCString (Format format)
{
    if (format >= eFormatDefault && format < kNumFormats)
        return g_format_infos[format].format_name;
    return NULL;
}

void
FormatManager::EnableAllCategories ()
{
    m_categories_map.EnableAllCategories ();
    Mutex::Locker lang_locker(m_language_categories_mutex);
    for (auto& iter : m_language_categories_map)
    {
        if (iter.second)
            iter.second->Enable();
    }
}

void
FormatManager::DisableAllCategories ()
{
    m_categories_map.DisableAllCategories ();
    Mutex::Locker lang_locker(m_language_categories_mutex);
    for (auto& iter : m_language_categories_map)
    {
        if (iter.second)
            iter.second->Disable();
    }
}

void
FormatManager::GetPossibleMatches (ValueObject& valobj,
                                   CompilerType clang_type,
                                   uint32_t reason,
                                   lldb::DynamicValueType use_dynamic,
                                   FormattersMatchVector& entries,
                                   bool did_strip_ptr,
                                   bool did_strip_ref,
                                   bool did_strip_typedef,
                                   bool root_level)
{
    clang_type = ClangASTContext::RemoveFastQualifiers(clang_type);
    ConstString type_name(clang_type.GetConstTypeName());
    if (valobj.GetBitfieldBitSize() > 0)
    {
        StreamString sstring;
        sstring.Printf("%s:%d",type_name.AsCString(),valobj.GetBitfieldBitSize());
        ConstString bitfieldname = ConstString(sstring.GetData());
        entries.push_back({bitfieldname,0,did_strip_ptr,did_strip_ref,did_strip_typedef});
        reason |= lldb_private::eFormatterChoiceCriterionStrippedBitField;
    }
    entries.push_back({type_name,reason,did_strip_ptr,did_strip_ref,did_strip_typedef});

    ConstString display_type_name(clang_type.GetDisplayTypeName());
    if (display_type_name != type_name)
        entries.push_back({display_type_name,reason,did_strip_ptr,did_strip_ref,did_strip_typedef});

    for (bool is_rvalue_ref = true, j = true; j && clang_type.IsReferenceType(nullptr, &is_rvalue_ref); j = false)
    {
        CompilerType non_ref_type = clang_type.GetNonReferenceType();
        GetPossibleMatches(valobj,
                           non_ref_type,
                           reason | lldb_private::eFormatterChoiceCriterionStrippedPointerReference,
                           use_dynamic,
                           entries,
                           did_strip_ptr,
                           true,
                           did_strip_typedef);
        if (non_ref_type.IsTypedefType())
        {
            CompilerType deffed_referenced_type = non_ref_type.GetTypedefedType();
            deffed_referenced_type = is_rvalue_ref ? ClangASTContext::GetRValueReferenceType(deffed_referenced_type) : ClangASTContext::GetLValueReferenceType(deffed_referenced_type);
            GetPossibleMatches(valobj,
                               deffed_referenced_type,
                               reason | lldb_private::eFormatterChoiceCriterionNavigatedTypedefs,
                               use_dynamic,
                               entries,
                               did_strip_ptr,
                               did_strip_ref,
                               true); // this is not exactly the usual meaning of stripping typedefs
        }
    }
    
    if (clang_type.IsPointerType())
    {
        CompilerType non_ptr_type = clang_type.GetPointeeType();
        GetPossibleMatches(valobj,
                           non_ptr_type,
                           reason | lldb_private::eFormatterChoiceCriterionStrippedPointerReference,
                           use_dynamic,
                           entries,
                           true,
                           did_strip_ref,
                           did_strip_typedef);
        if (non_ptr_type.IsTypedefType())
        {
            CompilerType deffed_pointed_type = non_ptr_type.GetTypedefedType().GetPointerType();
            GetPossibleMatches(valobj,
                               deffed_pointed_type,
                               reason | lldb_private::eFormatterChoiceCriterionNavigatedTypedefs,
                               use_dynamic,
                               entries,
                               did_strip_ptr,
                               did_strip_ref,
                               true); // this is not exactly the usual meaning of stripping typedefs
        }
    }
    bool canBeObjCDynamic = clang_type.IsPossibleDynamicType (NULL,
                                                              false, // no C
                                                              true);  // yes ObjC
    
    if (canBeObjCDynamic)
    {
        if (use_dynamic != lldb::eNoDynamicValues)
        {
            do
            {
                lldb::ProcessSP process_sp = valobj.GetProcessSP();
                if (!process_sp)
                    break;
                ObjCLanguageRuntime* runtime = process_sp->GetObjCLanguageRuntime();
                if (runtime == nullptr)
                    break;
                ObjCLanguageRuntime::ClassDescriptorSP objc_class_sp (runtime->GetClassDescriptor(valobj));
                if (!objc_class_sp)
                    break;
                ConstString name (objc_class_sp->GetClassName());
                entries.push_back({name,reason | lldb_private::eFormatterChoiceCriterionDynamicObjCDiscovery,did_strip_ptr,did_strip_ref,did_strip_typedef});
            } while (false);
        }
        
        CompilerType non_ptr_type = clang_type.GetPointeeType();
        GetPossibleMatches(valobj,
                           non_ptr_type,
                           reason | lldb_private::eFormatterChoiceCriterionStrippedPointerReference,
                           use_dynamic,
                           entries,
                           true,
                           did_strip_ref,
                           did_strip_typedef);
    }
    
    // try to strip typedef chains
    if (clang_type.IsTypedefType())
    {
        CompilerType deffed_type = clang_type.GetTypedefedType();
        GetPossibleMatches(valobj,
                           deffed_type,
                           reason | lldb_private::eFormatterChoiceCriterionNavigatedTypedefs,
                           use_dynamic,
                           entries,
                           did_strip_ptr,
                           did_strip_ref,
                           true);
    }
    
    if (root_level)
    {
        do {
            if (!clang_type.IsValid())
                break;
            
            CompilerType unqual_clang_ast_type = clang_type.GetFullyUnqualifiedType();
            if (!unqual_clang_ast_type.IsValid())
                break;
            if (unqual_clang_ast_type.GetOpaqueQualType() != clang_type.GetOpaqueQualType())
                GetPossibleMatches (valobj,
                                    unqual_clang_ast_type,
                                    reason,
                                    use_dynamic,
                                    entries,
                                    did_strip_ptr,
                                    did_strip_ref,
                                    did_strip_typedef);
        } while(false);
        
        
        // if all else fails, go to static type
        if (valobj.IsDynamic())
        {
            lldb::ValueObjectSP static_value_sp(valobj.GetStaticValue());
            if (static_value_sp)
                GetPossibleMatches(*static_value_sp.get(),
                                   static_value_sp->GetCompilerType(),
                                   reason | lldb_private::eFormatterChoiceCriterionWentToStaticValue,
                                   use_dynamic,
                                   entries,
                                   did_strip_ptr,
                                   did_strip_ref,
                                   did_strip_typedef,
                                   true);
        }
    }
}

lldb::TypeFormatImplSP
FormatManager::GetFormatForType (lldb::TypeNameSpecifierImplSP type_sp)
{
    if (!type_sp)
        return lldb::TypeFormatImplSP();
    lldb::TypeFormatImplSP format_chosen_sp;
    uint32_t num_categories = m_categories_map.GetCount();
    lldb::TypeCategoryImplSP category_sp;
    uint32_t prio_category = UINT32_MAX;
    for (uint32_t category_id = 0;
         category_id < num_categories;
         category_id++)
    {
        category_sp = GetCategoryAtIndex(category_id);
        if (category_sp->IsEnabled() == false)
            continue;
        lldb::TypeFormatImplSP format_current_sp = category_sp->GetFormatForType(type_sp);
        if (format_current_sp && (format_chosen_sp.get() == NULL || (prio_category > category_sp->GetEnabledPosition())))
        {
            prio_category = category_sp->GetEnabledPosition();
            format_chosen_sp = format_current_sp;
        }
    }
    return format_chosen_sp;
}

lldb::TypeSummaryImplSP
FormatManager::GetSummaryForType (lldb::TypeNameSpecifierImplSP type_sp)
{
    if (!type_sp)
        return lldb::TypeSummaryImplSP();
    lldb::TypeSummaryImplSP summary_chosen_sp;
    uint32_t num_categories = m_categories_map.GetCount();
    lldb::TypeCategoryImplSP category_sp;
    uint32_t prio_category = UINT32_MAX;
    for (uint32_t category_id = 0;
         category_id < num_categories;
         category_id++)
    {
        category_sp = GetCategoryAtIndex(category_id);
        if (category_sp->IsEnabled() == false)
            continue;
        lldb::TypeSummaryImplSP summary_current_sp = category_sp->GetSummaryForType(type_sp);
        if (summary_current_sp && (summary_chosen_sp.get() == NULL || (prio_category > category_sp->GetEnabledPosition())))
        {
            prio_category = category_sp->GetEnabledPosition();
            summary_chosen_sp = summary_current_sp;
        }
    }
    return summary_chosen_sp;
}

lldb::TypeFilterImplSP
FormatManager::GetFilterForType (lldb::TypeNameSpecifierImplSP type_sp)
{
    if (!type_sp)
        return lldb::TypeFilterImplSP();
    lldb::TypeFilterImplSP filter_chosen_sp;
    uint32_t num_categories = m_categories_map.GetCount();
    lldb::TypeCategoryImplSP category_sp;
    uint32_t prio_category = UINT32_MAX;
    for (uint32_t category_id = 0;
         category_id < num_categories;
         category_id++)
    {
        category_sp = GetCategoryAtIndex(category_id);
        if (category_sp->IsEnabled() == false)
            continue;
        lldb::TypeFilterImplSP filter_current_sp((TypeFilterImpl*)category_sp->GetFilterForType(type_sp).get());
        if (filter_current_sp && (filter_chosen_sp.get() == NULL || (prio_category > category_sp->GetEnabledPosition())))
        {
            prio_category = category_sp->GetEnabledPosition();
            filter_chosen_sp = filter_current_sp;
        }
    }
    return filter_chosen_sp;
}

#ifndef LLDB_DISABLE_PYTHON
lldb::ScriptedSyntheticChildrenSP
FormatManager::GetSyntheticForType (lldb::TypeNameSpecifierImplSP type_sp)
{
    if (!type_sp)
        return lldb::ScriptedSyntheticChildrenSP();
    lldb::ScriptedSyntheticChildrenSP synth_chosen_sp;
    uint32_t num_categories = m_categories_map.GetCount();
    lldb::TypeCategoryImplSP category_sp;
    uint32_t prio_category = UINT32_MAX;
    for (uint32_t category_id = 0;
         category_id < num_categories;
         category_id++)
    {
        category_sp = GetCategoryAtIndex(category_id);
        if (category_sp->IsEnabled() == false)
            continue;
        lldb::ScriptedSyntheticChildrenSP synth_current_sp((ScriptedSyntheticChildren*)category_sp->GetSyntheticForType(type_sp).get());
        if (synth_current_sp && (synth_chosen_sp.get() == NULL || (prio_category > category_sp->GetEnabledPosition())))
        {
            prio_category = category_sp->GetEnabledPosition();
            synth_chosen_sp = synth_current_sp;
        }
    }
    return synth_chosen_sp;
}
#endif

#ifndef LLDB_DISABLE_PYTHON
lldb::SyntheticChildrenSP
FormatManager::GetSyntheticChildrenForType (lldb::TypeNameSpecifierImplSP type_sp)
{
    if (!type_sp)
        return lldb::SyntheticChildrenSP();
    lldb::TypeFilterImplSP filter_sp = GetFilterForType(type_sp);
    lldb::ScriptedSyntheticChildrenSP synth_sp = GetSyntheticForType(type_sp);
    if (filter_sp->GetRevision() > synth_sp->GetRevision())
        return lldb::SyntheticChildrenSP(filter_sp.get());
    else
        return lldb::SyntheticChildrenSP(synth_sp.get());
}
#endif

lldb::TypeValidatorImplSP
FormatManager::GetValidatorForType (lldb::TypeNameSpecifierImplSP type_sp)
{
    if (!type_sp)
        return lldb::TypeValidatorImplSP();
    lldb::TypeValidatorImplSP validator_chosen_sp;
    uint32_t num_categories = m_categories_map.GetCount();
    lldb::TypeCategoryImplSP category_sp;
    uint32_t prio_category = UINT32_MAX;
    for (uint32_t category_id = 0;
         category_id < num_categories;
         category_id++)
    {
        category_sp = GetCategoryAtIndex(category_id);
        if (category_sp->IsEnabled() == false)
            continue;
        lldb::TypeValidatorImplSP validator_current_sp(category_sp->GetValidatorForType(type_sp).get());
        if (validator_current_sp && (validator_chosen_sp.get() == NULL || (prio_category > category_sp->GetEnabledPosition())))
        {
            prio_category = category_sp->GetEnabledPosition();
            validator_chosen_sp = validator_current_sp;
        }
    }
    return validator_chosen_sp;
}

void
FormatManager::LoopThroughCategories (CategoryCallback callback, void* param)
{
    m_categories_map.LoopThrough(callback, param);
    Mutex::Locker locker(m_language_categories_mutex);
    for (const auto& entry : m_language_categories_map)
    {
        if (auto category_sp = entry.second->GetCategory())
        {
            if (!callback(param, category_sp))
                break;
        }
    }
}

lldb::TypeCategoryImplSP
FormatManager::GetCategory (const ConstString& category_name,
                            bool can_create)
{
    if (!category_name)
        return GetCategory(m_default_category_name);
    lldb::TypeCategoryImplSP category;
    if (m_categories_map.Get(category_name, category))
        return category;
    
    if (!can_create)
        return lldb::TypeCategoryImplSP();
    
    m_categories_map.Add(category_name,lldb::TypeCategoryImplSP(new TypeCategoryImpl(this, category_name)));
    return GetCategory(category_name);
}

lldb::Format
FormatManager::GetSingleItemFormat(lldb::Format vector_format)
{
    switch(vector_format)
    {
        case eFormatVectorOfChar:
            return eFormatCharArray;
            
        case eFormatVectorOfSInt8:
        case eFormatVectorOfSInt16:
        case eFormatVectorOfSInt32:
        case eFormatVectorOfSInt64:
            return eFormatDecimal;
            
        case eFormatVectorOfUInt8:
        case eFormatVectorOfUInt16:
        case eFormatVectorOfUInt32:
        case eFormatVectorOfUInt64:
        case eFormatVectorOfUInt128:
            return eFormatHex;
            
        case eFormatVectorOfFloat32:
        case eFormatVectorOfFloat64:
            return eFormatFloat;
            
        default:
            return lldb::eFormatInvalid;
    }
}

bool
FormatManager::ShouldPrintAsOneLiner (ValueObject& valobj)
{
    // if settings say no oneline whatsoever
    if (valobj.GetTargetSP().get() && valobj.GetTargetSP()->GetDebugger().GetAutoOneLineSummaries() == false)
        return false; // then don't oneline
    
    // if this object has a summary, then ask the summary
    if (valobj.GetSummaryFormat().get() != nullptr)
        return valobj.GetSummaryFormat()->IsOneLiner();
    
    // no children, no party
    if (valobj.GetNumChildren() == 0)
        return false;
    
    size_t total_children_name_len = 0;
    
    for (size_t idx = 0;
         idx < valobj.GetNumChildren();
         idx++)
    {
        bool is_synth_val = false;
        ValueObjectSP child_sp(valobj.GetChildAtIndex(idx, true));
        // something is wrong here - bail out
        if (!child_sp)
            return false;
        // if we decided to define synthetic children for a type, we probably care enough
        // to show them, but avoid nesting children in children
        if (child_sp->GetSyntheticChildren().get() != nullptr)
        {
            ValueObjectSP synth_sp(child_sp->GetSyntheticValue());
            // wait.. wat? just get out of here..
            if (!synth_sp)
                return false;
            // but if we only have them to provide a value, keep going
            if (synth_sp->MightHaveChildren() == false && synth_sp->DoesProvideSyntheticValue())
                is_synth_val = true;
            else
                return false;
        }
        
        total_children_name_len += child_sp->GetName().GetLength();
        
        // 50 itself is a "randomly" chosen number - the idea is that
        // overly long structs should not get this treatment
        // FIXME: maybe make this a user-tweakable setting?
        if (total_children_name_len > 50)
            return false;
        
        // if a summary is there..
        if (child_sp->GetSummaryFormat())
        {
            // and it wants children, then bail out
            if (child_sp->GetSummaryFormat()->DoesPrintChildren(child_sp.get()))
                return false;
        }
        
        // if this child has children..
        if (child_sp->GetNumChildren())
        {
            // ...and no summary...
            // (if it had a summary and the summary wanted children, we would have bailed out anyway
            //  so this only makes us bail out if this has no summary and we would then print children)
            if (!child_sp->GetSummaryFormat() && !is_synth_val) // but again only do that if not a synthetic valued child
                return false; // then bail out
        }
    }
    return true;
}

ConstString
FormatManager::GetValidTypeName (const ConstString& type)
{
    return ::GetValidTypeName_Impl(type);
}

ConstString
FormatManager::GetTypeForCache (ValueObject& valobj,
                                lldb::DynamicValueType use_dynamic)
{
    if (use_dynamic == lldb::eNoDynamicValues)
    {
        if (valobj.IsDynamic())
        {
            if (valobj.GetStaticValue())
                return valobj.GetStaticValue()->GetQualifiedTypeName();
            else
                return ConstString();
        }
        else
            return valobj.GetQualifiedTypeName();
    }
    if (valobj.IsDynamic())
        return valobj.GetQualifiedTypeName();
    if (valobj.GetDynamicValue(use_dynamic))
        return valobj.GetDynamicValue(use_dynamic)->GetQualifiedTypeName();
    return ConstString();
}

static std::vector<lldb::LanguageType>
GetCandidateLanguages (ValueObject& valobj)
{
    lldb::LanguageType lang_type = valobj.GetObjectRuntimeLanguage();
    switch (lang_type)
    {
        case lldb::eLanguageTypeC:
        case lldb::eLanguageTypeC89:
        case lldb::eLanguageTypeC99:
        case lldb::eLanguageTypeC11:
        case lldb::eLanguageTypeC_plus_plus:
        case lldb::eLanguageTypeC_plus_plus_03:
        case lldb::eLanguageTypeC_plus_plus_11:
        case lldb::eLanguageTypeC_plus_plus_14:
            return {lldb::eLanguageTypeC_plus_plus};
        default:
            return {lang_type};
    }
}

LanguageCategory*
FormatManager::GetCategoryForLanguage (lldb::LanguageType lang_type)
{
    Mutex::Locker locker(m_language_categories_mutex);
    auto iter = m_language_categories_map.find(lang_type), end = m_language_categories_map.end();
    if (iter != end)
        return iter->second.get();
    LanguageCategory* lang_category = new LanguageCategory(lang_type);
    m_language_categories_map[lang_type] = LanguageCategory::UniquePointer(lang_category);
    return lang_category;
}

lldb::TypeFormatImplSP
FormatManager::GetHardcodedFormat (ValueObject& valobj,
                                   lldb::DynamicValueType use_dynamic)
{
    for (const auto& candidate: m_hardcoded_formats)
    {
        auto result = candidate(valobj,use_dynamic,*this);
        if (result)
            return result;
    }
    return nullptr;
}

lldb::TypeFormatImplSP
FormatManager::GetFormat (ValueObject& valobj,
                          lldb::DynamicValueType use_dynamic)
{
    TypeFormatImplSP retval;
    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
    ConstString valobj_type(GetTypeForCache(valobj, use_dynamic));
    if (valobj_type)
    {
        if (log)
            log->Printf("\n\n[FormatManager::GetFormat] Looking into cache for type %s", valobj_type.AsCString("<invalid>"));
        if (m_format_cache.GetFormat(valobj_type,retval))
        {
            if (log)
            {
                log->Printf("[FormatManager::GetFormat] Cache search success. Returning.");
                if (log->GetDebug())
                    log->Printf("[FormatManager::GetFormat] Cache hits: %" PRIu64 " - Cache Misses: %" PRIu64, m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
            }
            return retval;
        }
        if (log)
            log->Printf("[FormatManager::GetFormat] Cache search failed. Going normal route");
    }
    
    FormattersMatchVector matches = GetPossibleMatches(valobj, use_dynamic);
    
    retval = m_categories_map.GetFormat(valobj, use_dynamic, matches);
    if (!retval)
    {
        if (log)
            log->Printf("[FormatManager::GetFormat] Search failed. Giving language a chance.");
        for (lldb::LanguageType lang_type : GetCandidateLanguages(valobj))
        {
            if (LanguageCategory* lang_category = GetCategoryForLanguage(lang_type))
            {
                if (lang_category->Get(valobj, use_dynamic, matches, retval))
                    break;
            }
        }
        if (retval)
        {
            if (log)
                log->Printf("[FormatManager::GetFormat] Language search success. Returning.");
            return retval;
        }
    }
    if (!retval)
    {
        if (log)
            log->Printf("[FormatManager::GetFormat] Search failed. Giving hardcoded a chance.");
        retval = GetHardcodedFormat(valobj, use_dynamic);
    }
    
    if (valobj_type && (!retval || !retval->NonCacheable()))
    {
        if (log)
            log->Printf("[FormatManager::GetFormat] Caching %p for type %s",
                        static_cast<void*>(retval.get()),
                        valobj_type.AsCString("<invalid>"));
        m_format_cache.SetFormat(valobj_type,retval);
    }
    if (log && log->GetDebug())
        log->Printf("[FormatManager::GetFormat] Cache hits: %" PRIu64 " - Cache Misses: %" PRIu64, m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
    return retval;
}

lldb::TypeSummaryImplSP
FormatManager::GetHardcodedSummaryFormat (ValueObject& valobj,
                                          lldb::DynamicValueType use_dynamic)
{
    for (const auto& candidate: m_hardcoded_summaries)
    {
        auto result = candidate(valobj,use_dynamic,*this);
        if (result)
            return result;
    }
    return nullptr;
}

lldb::TypeSummaryImplSP
FormatManager::GetSummaryFormat (ValueObject& valobj,
                                 lldb::DynamicValueType use_dynamic)
{
    TypeSummaryImplSP retval;
    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
    ConstString valobj_type(GetTypeForCache(valobj, use_dynamic));
    if (valobj_type)
    {
        if (log)
            log->Printf("\n\n[FormatManager::GetSummaryFormat] Looking into cache for type %s", valobj_type.AsCString("<invalid>"));
        if (m_format_cache.GetSummary(valobj_type,retval))
        {
            if (log)
            {
                log->Printf("[FormatManager::GetSummaryFormat] Cache search success. Returning.");
                if (log->GetDebug())
                    log->Printf("[FormatManager::GetSummaryFormat] Cache hits: %" PRIu64 " - Cache Misses: %" PRIu64, m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
            }
            return retval;
        }
        if (log)
            log->Printf("[FormatManager::GetSummaryFormat] Cache search failed. Going normal route");
    }
    
    FormattersMatchVector matches = GetPossibleMatches(valobj, use_dynamic);
    
    retval = m_categories_map.GetSummaryFormat(valobj, use_dynamic, matches);
    if (!retval)
    {
        if (log)
            log->Printf("[FormatManager::GetSummaryFormat] Search failed. Giving language a chance.");
        for (lldb::LanguageType lang_type : GetCandidateLanguages(valobj))
        {
            if (LanguageCategory* lang_category = GetCategoryForLanguage(lang_type))
            {
                if (lang_category->Get(valobj, use_dynamic, matches, retval))
                    break;
            }
        }
        if (retval)
        {
            if (log)
                log->Printf("[FormatManager::GetSummaryFormat] Language search success. Returning.");
            return retval;
        }
    }
    if (!retval)
    {
        if (log)
            log->Printf("[FormatManager::GetSummaryFormat] Search failed. Giving hardcoded a chance.");
        retval = GetHardcodedSummaryFormat(valobj, use_dynamic);
    }
    
    if (valobj_type && (!retval || !retval->NonCacheable()))
    {
        if (log)
            log->Printf("[FormatManager::GetSummaryFormat] Caching %p for type %s",
                        static_cast<void*>(retval.get()),
                        valobj_type.AsCString("<invalid>"));
        m_format_cache.SetSummary(valobj_type,retval);
    }
    if (log && log->GetDebug())
        log->Printf("[FormatManager::GetSummaryFormat] Cache hits: %" PRIu64 " - Cache Misses: %" PRIu64, m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
    return retval;
}

#ifndef LLDB_DISABLE_PYTHON
lldb::SyntheticChildrenSP
FormatManager::GetHardcodedSyntheticChildren (ValueObject& valobj,
                                              lldb::DynamicValueType use_dynamic)
{
    for (const auto& candidate: m_hardcoded_synthetics)
    {
        auto result = candidate(valobj,use_dynamic,*this);
        if (result)
            return result;
    }
    return nullptr;
}

lldb::SyntheticChildrenSP
FormatManager::GetSyntheticChildren (ValueObject& valobj,
                                     lldb::DynamicValueType use_dynamic)
{
    SyntheticChildrenSP retval;
    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
    ConstString valobj_type(GetTypeForCache(valobj, use_dynamic));
    if (valobj_type)
    {
        if (log)
            log->Printf("\n\n[FormatManager::GetSyntheticChildren] Looking into cache for type %s", valobj_type.AsCString("<invalid>"));
        if (m_format_cache.GetSynthetic(valobj_type,retval))
        {
            if (log)
            {
                log->Printf("[FormatManager::GetSyntheticChildren] Cache search success. Returning.");
                if (log->GetDebug())
                    log->Printf("[FormatManager::GetSyntheticChildren] Cache hits: %" PRIu64 " - Cache Misses: %" PRIu64, m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
            }
            return retval;
        }
        if (log)
            log->Printf("[FormatManager::GetSyntheticChildren] Cache search failed. Going normal route");
    }
    
    FormattersMatchVector matches = GetPossibleMatches(valobj, use_dynamic);
    
    retval = m_categories_map.GetSyntheticChildren(valobj, use_dynamic, matches);
    if (!retval)
    {
        if (log)
            log->Printf("[FormatManager::GetSyntheticChildren] Search failed. Giving language a chance.");
        for (lldb::LanguageType lang_type : GetCandidateLanguages(valobj))
        {
            if (LanguageCategory* lang_category = GetCategoryForLanguage(lang_type))
            {
                if (lang_category->Get(valobj, use_dynamic, matches, retval))
                    break;
            }
        }
        if (retval)
        {
            if (log)
                log->Printf("[FormatManager::GetSyntheticChildren] Language search success. Returning.");
            return retval;
        }
    }
    if (!retval)
    {
        if (log)
            log->Printf("[FormatManager::GetSyntheticChildren] Search failed. Giving hardcoded a chance.");
        retval = GetHardcodedSyntheticChildren(valobj, use_dynamic);
    }
    
    if (valobj_type && (!retval || !retval->NonCacheable()))
    {
        if (log)
            log->Printf("[FormatManager::GetSyntheticChildren] Caching %p for type %s",
                        static_cast<void*>(retval.get()),
                        valobj_type.AsCString("<invalid>"));
        m_format_cache.SetSynthetic(valobj_type,retval);
    }
    if (log && log->GetDebug())
        log->Printf("[FormatManager::GetSyntheticChildren] Cache hits: %" PRIu64 " - Cache Misses: %" PRIu64, m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
    return retval;
}
#endif

lldb::TypeValidatorImplSP
FormatManager::GetValidator (ValueObject& valobj,
                             lldb::DynamicValueType use_dynamic)
{
    TypeValidatorImplSP retval;
    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_TYPES));
    ConstString valobj_type(GetTypeForCache(valobj, use_dynamic));
    if (valobj_type)
    {
        if (log)
            log->Printf("\n\n[FormatManager::GetValidator] Looking into cache for type %s", valobj_type.AsCString("<invalid>"));
        if (m_format_cache.GetValidator(valobj_type,retval))
        {
            if (log)
            {
                log->Printf("[FormatManager::GetValidator] Cache search success. Returning.");
                if (log->GetDebug())
                    log->Printf("[FormatManager::GetValidator] Cache hits: %" PRIu64 " - Cache Misses: %" PRIu64, m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
            }
            return retval;
        }
        if (log)
            log->Printf("[FormatManager::GetValidator] Cache search failed. Going normal route");
    }
    
    FormattersMatchVector matches = GetPossibleMatches(valobj, use_dynamic);
    
    retval = m_categories_map.GetValidator(valobj, use_dynamic, matches);
    if (!retval)
    {
        if (log)
            log->Printf("[FormatManager::GetValidator] Search failed. Giving language a chance.");
        for (lldb::LanguageType lang_type : GetCandidateLanguages(valobj))
        {
            if (LanguageCategory* lang_category = GetCategoryForLanguage(lang_type))
            {
                if (lang_category->Get(valobj, use_dynamic, matches, retval))
                    break;
            }
        }
        if (retval)
        {
            if (log)
                log->Printf("[FormatManager::GetValidator] Language search success. Returning.");
            return retval;
        }
    }
    if (!retval)
    {
        if (log)
            log->Printf("[FormatManager::GetValidator] Search failed. Giving hardcoded a chance.");
        retval = GetHardcodedValidator(valobj, use_dynamic);
    }
    
    if (valobj_type && (!retval || !retval->NonCacheable()))
    {
        if (log)
            log->Printf("[FormatManager::GetValidator] Caching %p for type %s",
                        static_cast<void*>(retval.get()),
                        valobj_type.AsCString("<invalid>"));
        m_format_cache.SetValidator(valobj_type,retval);
    }
    if (log && log->GetDebug())
        log->Printf("[FormatManager::GetValidator] Cache hits: %" PRIu64 " - Cache Misses: %" PRIu64, m_format_cache.GetCacheHits(), m_format_cache.GetCacheMisses());
    return retval;
}

lldb::TypeValidatorImplSP
FormatManager::GetHardcodedValidator (ValueObject& valobj,
                                      lldb::DynamicValueType use_dynamic)
{
    for (const auto& candidate: m_hardcoded_validators)
    {
        auto result = candidate(valobj,use_dynamic,*this);
        if (result)
            return result;
    }
    return nullptr;
}

FormatManager::FormatManager() :
    m_format_cache(),
    m_named_summaries_map(this),
    m_last_revision(0),
    m_categories_map(this),
    m_language_categories_map(),
    m_language_categories_mutex(Mutex::eMutexTypeRecursive),
    m_default_category_name(ConstString("default")),
    m_system_category_name(ConstString("system")), 
    m_objc_category_name(ConstString("objc")),
    m_corefoundation_category_name(ConstString("CoreFoundation")),
    m_coregraphics_category_name(ConstString("CoreGraphics")),
    m_coreservices_category_name(ConstString("CoreServices")),
    m_vectortypes_category_name(ConstString("VectorTypes")),
    m_appkit_category_name(ConstString("AppKit")),
    m_coremedia_category_name(ConstString("CoreMedia")),
    m_hardcoded_formats(),
    m_hardcoded_summaries(),
    m_hardcoded_synthetics(),
    m_hardcoded_validators()
    
{
    LoadSystemFormatters();
    LoadObjCFormatters();
    LoadCoreMediaFormatters();
    LoadHardcodedFormatters();
    
    EnableCategory(m_objc_category_name,TypeCategoryMap::Last);
    EnableCategory(m_corefoundation_category_name,TypeCategoryMap::Last);
    EnableCategory(m_appkit_category_name,TypeCategoryMap::Last);
    EnableCategory(m_coreservices_category_name,TypeCategoryMap::Last);
    EnableCategory(m_coregraphics_category_name,TypeCategoryMap::Last);
    EnableCategory(m_coremedia_category_name,TypeCategoryMap::Last);
    EnableCategory(m_vectortypes_category_name,TypeCategoryMap::Last);
    EnableCategory(m_system_category_name,TypeCategoryMap::Last);
}

void
FormatManager::LoadSystemFormatters()
{
    
    TypeSummaryImpl::Flags string_flags;
    string_flags.SetCascades(true)
    .SetSkipPointers(true)
    .SetSkipReferences(false)
    .SetDontShowChildren(true)
    .SetDontShowValue(false)
    .SetShowMembersOneLiner(false)
    .SetHideItemNames(false);
    
    TypeSummaryImpl::Flags string_array_flags;
    string_array_flags.SetCascades(true)
    .SetSkipPointers(true)
    .SetSkipReferences(false)
    .SetDontShowChildren(true)
    .SetDontShowValue(true)
    .SetShowMembersOneLiner(false)
    .SetHideItemNames(false);
    
    lldb::TypeSummaryImplSP string_format(new StringSummaryFormat(string_flags, "${var%s}"));
    
    
    lldb::TypeSummaryImplSP string_array_format(new StringSummaryFormat(string_array_flags,
                                                                        "${var%s}"));
    
    lldb::RegularExpressionSP any_size_char_arr(new RegularExpression("char \\[[0-9]+\\]"));
    lldb::RegularExpressionSP any_size_wchar_arr(new RegularExpression("wchar_t \\[[0-9]+\\]"));
    
    TypeCategoryImpl::SharedPointer sys_category_sp = GetCategory(m_system_category_name);
    
    sys_category_sp->GetTypeSummariesContainer()->Add(ConstString("char *"), string_format);
    sys_category_sp->GetTypeSummariesContainer()->Add(ConstString("unsigned char *"), string_format);
    sys_category_sp->GetRegexTypeSummariesContainer()->Add(any_size_char_arr, string_array_format);

    lldb::TypeSummaryImplSP ostype_summary(new StringSummaryFormat(TypeSummaryImpl::Flags().SetCascades(false)
                                                                   .SetSkipPointers(true)
                                                                   .SetSkipReferences(true)
                                                                   .SetDontShowChildren(true)
                                                                   .SetDontShowValue(false)
                                                                   .SetShowMembersOneLiner(false)
                                                                   .SetHideItemNames(false),
                                                                   "${var%O}"));
    
    sys_category_sp->GetTypeSummariesContainer()->Add(ConstString("OSType"), ostype_summary);
    
#ifndef LLDB_DISABLE_PYTHON
    TypeFormatImpl::Flags fourchar_flags;
    fourchar_flags.SetCascades(true).SetSkipPointers(true).SetSkipReferences(true);
    
    AddFormat(sys_category_sp, lldb::eFormatOSType, ConstString("FourCharCode"), fourchar_flags);
#endif
}

void
FormatManager::LoadObjCFormatters()
{
    TypeSummaryImpl::Flags objc_flags;
    objc_flags.SetCascades(false)
    .SetSkipPointers(true)
    .SetSkipReferences(true)
    .SetDontShowChildren(true)
    .SetDontShowValue(true)
    .SetShowMembersOneLiner(false)
    .SetHideItemNames(false);

    TypeCategoryImpl::SharedPointer objc_category_sp = GetCategory(m_objc_category_name);
    TypeCategoryImpl::SharedPointer appkit_category_sp = GetCategory(m_appkit_category_name);
    TypeCategoryImpl::SharedPointer corefoundation_category_sp = GetCategory(m_corefoundation_category_name);
    TypeCategoryImpl::SharedPointer coregraphics_category_sp = GetCategory(m_coregraphics_category_name);
    TypeCategoryImpl::SharedPointer coreservices_category_sp = GetCategory(m_coreservices_category_name);
    
    lldb::TypeSummaryImplSP ObjC_BOOL_summary(new CXXFunctionSummaryFormat(objc_flags, lldb_private::formatters::ObjCBOOLSummaryProvider,""));
    objc_category_sp->GetTypeSummariesContainer()->Add(ConstString("BOOL"),
                                                 ObjC_BOOL_summary);
    objc_category_sp->GetTypeSummariesContainer()->Add(ConstString("BOOL &"),
                                                 ObjC_BOOL_summary);
    objc_category_sp->GetTypeSummariesContainer()->Add(ConstString("BOOL *"),
                                                 ObjC_BOOL_summary);

#ifndef LLDB_DISABLE_PYTHON
    // we need to skip pointers here since we are special casing a SEL* when retrieving its value
    objc_flags.SetSkipPointers(true);
    AddCXXSummary(objc_category_sp, lldb_private::formatters::ObjCSELSummaryProvider<false>, "SEL summary provider", ConstString("SEL"), objc_flags);
    AddCXXSummary(objc_category_sp, lldb_private::formatters::ObjCSELSummaryProvider<false>, "SEL summary provider", ConstString("struct objc_selector"), objc_flags);
    AddCXXSummary(objc_category_sp, lldb_private::formatters::ObjCSELSummaryProvider<false>, "SEL summary provider", ConstString("objc_selector"), objc_flags);
    AddCXXSummary(objc_category_sp, lldb_private::formatters::ObjCSELSummaryProvider<true>, "SEL summary provider", ConstString("objc_selector *"), objc_flags);
    AddCXXSummary(objc_category_sp, lldb_private::formatters::ObjCSELSummaryProvider<true>, "SEL summary provider", ConstString("SEL *"), objc_flags);
    
    AddCXXSummary(objc_category_sp, lldb_private::formatters::ObjCClassSummaryProvider, "Class summary provider", ConstString("Class"), objc_flags);
    
    SyntheticChildren::Flags class_synth_flags;
    class_synth_flags.SetCascades(true).SetSkipPointers(false).SetSkipReferences(false);
    
    AddCXXSynthetic(objc_category_sp, lldb_private::formatters::ObjCClassSyntheticFrontEndCreator, "Class synthetic children", ConstString("Class"), class_synth_flags);
#endif // LLDB_DISABLE_PYTHON

    objc_flags.SetSkipPointers(false);
    objc_flags.SetCascades(true);
    objc_flags.SetSkipReferences(false);
    
    AddStringSummary (objc_category_sp,
                      "${var.__FuncPtr%A}",
                      ConstString("__block_literal_generic"),
                      objc_flags);

    AddStringSummary(corefoundation_category_sp,
                     "${var.years} years, ${var.months} months, ${var.days} days, ${var.hours} hours, ${var.minutes} minutes ${var.seconds} seconds",
                     ConstString("CFGregorianUnits"),
                     objc_flags);
    AddStringSummary(corefoundation_category_sp,
                     "location=${var.location} length=${var.length}",
                     ConstString("CFRange"),
                     objc_flags);

    AddStringSummary(appkit_category_sp,
                     "location=${var.location}, length=${var.length}",
                     ConstString("NSRange"),
                     objc_flags);
    AddStringSummary(appkit_category_sp,
                     "(${var.origin}, ${var.size}), ...",
                     ConstString("NSRectArray"),
                     objc_flags);
    
    AddOneLineSummary (appkit_category_sp,
                       ConstString("NSPoint"),
                       objc_flags);
    AddOneLineSummary (appkit_category_sp,
                       ConstString("NSSize"),
                       objc_flags);
    AddOneLineSummary (appkit_category_sp,
                       ConstString("NSRect"),
                       objc_flags);
    
    AddOneLineSummary (coregraphics_category_sp,
                       ConstString("CGSize"),
                       objc_flags);
    AddOneLineSummary (coregraphics_category_sp,
                       ConstString("CGPoint"),
                       objc_flags);
    AddOneLineSummary (coregraphics_category_sp,
                       ConstString("CGRect"),
                       objc_flags);
    
    AddStringSummary(coreservices_category_sp,
                     "red=${var.red} green=${var.green} blue=${var.blue}",
                     ConstString("RGBColor"),
                     objc_flags);
    AddStringSummary(coreservices_category_sp,
                     "(t=${var.top}, l=${var.left}, b=${var.bottom}, r=${var.right})",
                     ConstString("Rect"),
                     objc_flags);
    AddStringSummary(coreservices_category_sp,
                     "(v=${var.v}, h=${var.h})",
                     ConstString("Point"),
                     objc_flags);
    AddStringSummary(coreservices_category_sp,
                     "${var.month}/${var.day}/${var.year}  ${var.hour} :${var.minute} :${var.second} dayOfWeek:${var.dayOfWeek}",
                     ConstString("DateTimeRect *"),
                     objc_flags);
    AddStringSummary(coreservices_category_sp,
                     "${var.ld.month}/${var.ld.day}/${var.ld.year} ${var.ld.hour} :${var.ld.minute} :${var.ld.second} dayOfWeek:${var.ld.dayOfWeek}",
                     ConstString("LongDateRect"),
                     objc_flags);
    AddStringSummary(coreservices_category_sp,
                     "(x=${var.x}, y=${var.y})",
                     ConstString("HIPoint"),
                     objc_flags);
    AddStringSummary(coreservices_category_sp,
                     "origin=${var.origin} size=${var.size}",
                     ConstString("HIRect"),
                     objc_flags);
    
    TypeSummaryImpl::Flags appkit_flags;
    appkit_flags.SetCascades(true)
    .SetSkipPointers(false)
    .SetSkipReferences(false)
    .SetDontShowChildren(true)
    .SetDontShowValue(false)
    .SetShowMembersOneLiner(false)
    .SetHideItemNames(false);

    appkit_flags.SetDontShowChildren(false);
    

#ifndef LLDB_DISABLE_PYTHON
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSArraySummaryProvider, "NSArray summary provider", ConstString("NSArray"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSArraySummaryProvider, "NSArray summary provider", ConstString("NSMutableArray"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSArraySummaryProvider, "NSArray summary provider", ConstString("__NSArrayI"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSArraySummaryProvider, "NSArray summary provider", ConstString("__NSArrayM"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSArraySummaryProvider, "NSArray summary provider", ConstString("__NSCFArray"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSArraySummaryProvider, "NSArray summary provider", ConstString("CFArrayRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSArraySummaryProvider, "NSArray summary provider", ConstString("CFMutableArrayRef"), appkit_flags);

    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDictionarySummaryProvider<false>, "NSDictionary summary provider", ConstString("NSDictionary"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDictionarySummaryProvider<false>, "NSDictionary summary provider", ConstString("NSMutableDictionary"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDictionarySummaryProvider<false>, "NSDictionary summary provider", ConstString("__NSCFDictionary"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDictionarySummaryProvider<false>, "NSDictionary summary provider", ConstString("__NSDictionaryI"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDictionarySummaryProvider<false>, "NSDictionary summary provider", ConstString("__NSDictionaryM"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSDictionarySummaryProvider<true>, "NSDictionary summary provider", ConstString("CFDictionaryRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSDictionarySummaryProvider<true>, "NSDictionary summary provider", ConstString("CFMutableDictionaryRef"), appkit_flags);
    
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "NSSet summary", ConstString("NSSet"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "NSMutableSet summary", ConstString("NSMutableSet"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSSetSummaryProvider<true>, "CFSetRef summary", ConstString("CFSetRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSSetSummaryProvider<true>, "CFMutableSetRef summary", ConstString("CFMutableSetRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "__NSCFSet summary", ConstString("__NSCFSet"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "__NSSetI summary", ConstString("__NSSetI"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "__NSSetM summary", ConstString("__NSSetM"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "NSCountedSet summary", ConstString("NSCountedSet"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "NSMutableSet summary", ConstString("NSMutableSet"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "NSOrderedSet summary", ConstString("NSOrderedSet"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "__NSOrderedSetI summary", ConstString("__NSOrderedSetI"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSSetSummaryProvider<false>, "__NSOrderedSetM summary", ConstString("__NSOrderedSetM"), appkit_flags);

    // AddSummary(appkit_category_sp, "${var.key%@} -> ${var.value%@}", ConstString("$_lldb_typegen_nspair"), appkit_flags);
    
    appkit_flags.SetDontShowChildren(true);
    
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSArraySyntheticFrontEndCreator, "NSArray synthetic children", ConstString("__NSArrayM"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSArraySyntheticFrontEndCreator, "NSArray synthetic children", ConstString("__NSArrayI"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSArraySyntheticFrontEndCreator, "NSArray synthetic children", ConstString("NSArray"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSArraySyntheticFrontEndCreator, "NSArray synthetic children", ConstString("NSMutableArray"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(corefoundation_category_sp, lldb_private::formatters::NSArraySyntheticFrontEndCreator, "NSArray synthetic children", ConstString("__NSCFArray"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(corefoundation_category_sp, lldb_private::formatters::NSArraySyntheticFrontEndCreator, "NSArray synthetic children", ConstString("CFMutableArrayRef"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(corefoundation_category_sp, lldb_private::formatters::NSArraySyntheticFrontEndCreator, "NSArray synthetic children", ConstString("CFArrayRef"), ScriptedSyntheticChildren::Flags());

    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSDictionarySyntheticFrontEndCreator, "NSDictionary synthetic children", ConstString("__NSDictionaryM"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSDictionarySyntheticFrontEndCreator, "NSDictionary synthetic children", ConstString("__NSDictionaryI"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSDictionarySyntheticFrontEndCreator, "NSDictionary synthetic children", ConstString("__NSCFDictionary"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSDictionarySyntheticFrontEndCreator, "NSDictionary synthetic children", ConstString("NSDictionary"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSDictionarySyntheticFrontEndCreator, "NSDictionary synthetic children", ConstString("NSMutableDictionary"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(corefoundation_category_sp, lldb_private::formatters::NSDictionarySyntheticFrontEndCreator, "NSDictionary synthetic children", ConstString("CFDictionaryRef"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(corefoundation_category_sp, lldb_private::formatters::NSDictionarySyntheticFrontEndCreator, "NSDictionary synthetic children", ConstString("CFMutableDictionaryRef"), ScriptedSyntheticChildren::Flags());

    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "NSSet synthetic children", ConstString("NSSet"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "__NSSetI synthetic children", ConstString("__NSSetI"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "__NSSetM synthetic children", ConstString("__NSSetM"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "NSMutableSet synthetic children", ConstString("NSMutableSet"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "NSOrderedSet synthetic children", ConstString("NSOrderedSet"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "__NSOrderedSetI synthetic children", ConstString("__NSOrderedSetI"), ScriptedSyntheticChildren::Flags());
    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSSetSyntheticFrontEndCreator, "__NSOrderedSetM synthetic children", ConstString("__NSOrderedSetM"), ScriptedSyntheticChildren::Flags());

    AddCXXSynthetic(appkit_category_sp, lldb_private::formatters::NSIndexPathSyntheticFrontEndCreator, "NSIndexPath synthetic children", ConstString("NSIndexPath"), ScriptedSyntheticChildren::Flags());
    
    AddCXXSummary(corefoundation_category_sp,lldb_private::formatters::CFBagSummaryProvider, "CFBag summary provider", ConstString("CFBagRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp,lldb_private::formatters::CFBagSummaryProvider, "CFBag summary provider", ConstString("__CFBag"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp,lldb_private::formatters::CFBagSummaryProvider, "CFBag summary provider", ConstString("const struct __CFBag"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp,lldb_private::formatters::CFBagSummaryProvider, "CFBag summary provider", ConstString("CFMutableBagRef"), appkit_flags);
    
    AddCXXSummary(corefoundation_category_sp,lldb_private::formatters::CFBinaryHeapSummaryProvider, "CFBinaryHeap summary provider", ConstString("CFBinaryHeapRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp,lldb_private::formatters::CFBinaryHeapSummaryProvider, "CFBinaryHeap summary provider", ConstString("__CFBinaryHeap"), appkit_flags);

    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("NSString"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("CFStringRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("__CFString"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("CFMutableStringRef"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("NSMutableString"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("__NSCFConstantString"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("__NSCFString"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("NSCFConstantString"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("NSCFString"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSStringSummaryProvider, "NSString summary provider", ConstString("NSPathStore2"), appkit_flags);
    
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSAttributedStringSummaryProvider, "NSAttributedString summary provider", ConstString("NSAttributedString"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSMutableAttributedStringSummaryProvider, "NSMutableAttributedString summary provider", ConstString("NSMutableAttributedString"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSMutableAttributedStringSummaryProvider, "NSMutableAttributedString summary provider", ConstString("NSConcreteMutableAttributedString"), appkit_flags);

    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSBundleSummaryProvider, "NSBundle summary provider", ConstString("NSBundle"), appkit_flags);

    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDataSummaryProvider<false>, "NSData summary provider", ConstString("NSData"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDataSummaryProvider<false>, "NSData summary provider", ConstString("NSConcreteData"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDataSummaryProvider<false>, "NSData summary provider", ConstString("NSConcreteMutableData"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDataSummaryProvider<false>, "NSData summary provider", ConstString("NSMutableData"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSDataSummaryProvider<false>, "NSData summary provider", ConstString("__NSCFData"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSDataSummaryProvider<true>, "NSData summary provider", ConstString("CFDataRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSDataSummaryProvider<true>, "NSData summary provider", ConstString("CFMutableDataRef"), appkit_flags);

    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSMachPortSummaryProvider, "NSMachPort summary provider", ConstString("NSMachPort"), appkit_flags);

    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSNotificationSummaryProvider, "NSNotification summary provider", ConstString("NSNotification"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSNotificationSummaryProvider, "NSNotification summary provider", ConstString("NSConcreteNotification"), appkit_flags);

    AddStringSummary(appkit_category_sp, "domain: ${var._domain} - code: ${var._code}", ConstString("NSError"), appkit_flags);
    AddStringSummary(appkit_category_sp,"name:${var.name%S} reason:${var.reason%S}",ConstString("NSException"),appkit_flags);

    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSNumberSummaryProvider, "NSNumber summary provider", ConstString("NSNumber"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSNumberSummaryProvider, "CFNumberRef summary provider", ConstString("CFNumberRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSNumberSummaryProvider, "NSNumber summary provider", ConstString("__NSCFBoolean"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSNumberSummaryProvider, "NSNumber summary provider", ConstString("__NSCFNumber"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSNumberSummaryProvider, "NSNumber summary provider", ConstString("NSCFBoolean"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSNumberSummaryProvider, "NSNumber summary provider", ConstString("NSCFNumber"), appkit_flags);
    
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::RuntimeSpecificDescriptionSummaryProvider, "NSDecimalNumber summary provider", ConstString("NSDecimalNumber"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::RuntimeSpecificDescriptionSummaryProvider, "NSHost summary provider", ConstString("NSHost"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::RuntimeSpecificDescriptionSummaryProvider, "NSTask summary provider", ConstString("NSTask"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::RuntimeSpecificDescriptionSummaryProvider, "NSValue summary provider", ConstString("NSValue"), appkit_flags);
    
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSURLSummaryProvider, "NSURL summary provider", ConstString("NSURL"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSURLSummaryProvider, "NSURL summary provider", ConstString("CFURLRef"), appkit_flags);
    
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDateSummaryProvider, "NSDate summary provider", ConstString("NSDate"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDateSummaryProvider, "NSDate summary provider", ConstString("__NSDate"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDateSummaryProvider, "NSDate summary provider", ConstString("__NSTaggedDate"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSDateSummaryProvider, "NSDate summary provider", ConstString("NSCalendarDate"), appkit_flags);

    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSTimeZoneSummaryProvider, "NSTimeZone summary provider", ConstString("NSTimeZone"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::NSTimeZoneSummaryProvider, "NSTimeZone summary provider", ConstString("CFTimeZoneRef"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSTimeZoneSummaryProvider, "NSTimeZone summary provider", ConstString("__NSTimeZone"), appkit_flags);

    // CFAbsoluteTime is actually a double rather than a pointer to an object
    // we do not care about the numeric value, since it is probably meaningless to users
    appkit_flags.SetDontShowValue(true);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::CFAbsoluteTimeSummaryProvider, "CFAbsoluteTime summary provider", ConstString("CFAbsoluteTime"), appkit_flags);
    appkit_flags.SetDontShowValue(false);
    
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSIndexSetSummaryProvider, "NSIndexSet summary provider", ConstString("NSIndexSet"), appkit_flags);
    AddCXXSummary(appkit_category_sp, lldb_private::formatters::NSIndexSetSummaryProvider, "NSIndexSet summary provider", ConstString("NSMutableIndexSet"), appkit_flags);

    AddStringSummary(corefoundation_category_sp,
                     "@\"${var.month%d}/${var.day%d}/${var.year%d} ${var.hour%d}:${var.minute%d}:${var.second}\"",
                     ConstString("CFGregorianDate"),
                     appkit_flags);
    
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::CFBitVectorSummaryProvider, "CFBitVector summary provider", ConstString("CFBitVectorRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::CFBitVectorSummaryProvider, "CFBitVector summary provider", ConstString("CFMutableBitVectorRef"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::CFBitVectorSummaryProvider, "CFBitVector summary provider", ConstString("__CFBitVector"), appkit_flags);
    AddCXXSummary(corefoundation_category_sp, lldb_private::formatters::CFBitVectorSummaryProvider, "CFBitVector summary provider", ConstString("__CFMutableBitVector"), appkit_flags);
#endif // LLDB_DISABLE_PYTHON
    
    TypeCategoryImpl::SharedPointer vectors_category_sp = GetCategory(m_vectortypes_category_name);

    TypeSummaryImpl::Flags vector_flags;
    vector_flags.SetCascades(true)
    .SetSkipPointers(true)
    .SetSkipReferences(false)
    .SetDontShowChildren(true)
    .SetDontShowValue(false)
    .SetShowMembersOneLiner(true)
    .SetHideItemNames(true);
    
    AddStringSummary(vectors_category_sp,
                     "${var.uint128}",
                     ConstString("builtin_type_vec128"),
                     objc_flags);

    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("float [4]"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("int32_t [4]"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("int16_t [8]"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vDouble"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vFloat"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vSInt8"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vSInt16"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vSInt32"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vUInt16"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vUInt8"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vUInt16"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vUInt32"),
                     vector_flags);
    AddStringSummary(vectors_category_sp,
                     "",
                     ConstString("vBool32"),
                     vector_flags);
}

void
FormatManager::LoadCoreMediaFormatters()
{
    TypeSummaryImpl::Flags cm_flags;
    cm_flags.SetCascades(true)
    .SetDontShowChildren(false)
    .SetDontShowValue(false)
    .SetHideItemNames(false)
    .SetShowMembersOneLiner(false)
    .SetSkipPointers(false)
    .SetSkipReferences(false);
    
    TypeCategoryImpl::SharedPointer cm_category_sp = GetCategory(m_coremedia_category_name);

#ifndef LLDB_DISABLE_PYTHON
    AddCXXSummary(cm_category_sp, lldb_private::formatters::CMTimeSummaryProvider, "CMTime summary provider", ConstString("CMTime"), cm_flags);
#endif // LLDB_DISABLE_PYTHON
}

void
FormatManager::LoadHardcodedFormatters()
{
    {
        // insert code to load formats here
    }
    {
        // insert code to load summaries here
        m_hardcoded_summaries.push_back(
                                        [](lldb_private::ValueObject& valobj,
                                            lldb::DynamicValueType,
                                            FormatManager&) -> TypeSummaryImpl::SharedPointer {
                                            static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags(), lldb_private::formatters::CXXFunctionPointerSummaryProvider, "Function pointer summary provider"));
                                            if (valobj.GetCompilerType().IsFunctionPointerType())
                                            {
                                                return formatter_sp;
                                            }
                                            return nullptr;
                                        });
        m_hardcoded_summaries.push_back(
                                         [](lldb_private::ValueObject& valobj,
                                            lldb::DynamicValueType,
                                            FormatManager& fmt_mgr) -> TypeSummaryImpl::SharedPointer {
                                             static CXXFunctionSummaryFormat::SharedPointer formatter_sp(new CXXFunctionSummaryFormat(TypeSummaryImpl::Flags()
                                                                                                                                      .SetCascades(true)
                                                                                                                                      .SetDontShowChildren(true)
                                                                                                                                      .SetHideItemNames(true)
                                                                                                                                      .SetShowMembersOneLiner(true)
                                                                                                                                      .SetSkipPointers(true)
                                                                                                                                      .SetSkipReferences(false),
                                                                                                                                      lldb_private::formatters::VectorTypeSummaryProvider,
                                                                                                                                      "vector_type pointer summary provider"));
                                             if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr))
                                             {
                                                 if (fmt_mgr.GetCategory(fmt_mgr.m_vectortypes_category_name)->IsEnabled())
                                                     return formatter_sp;
                                             }
                                             return nullptr;
                                         });
    }
    {
        // insert code to load synthetics here
        m_hardcoded_synthetics.push_back(
                                         [](lldb_private::ValueObject& valobj,
                                            lldb::DynamicValueType,
                                            FormatManager& fmt_mgr) -> SyntheticChildren::SharedPointer {
                                             static CXXSyntheticChildren::SharedPointer formatter_sp(new CXXSyntheticChildren(SyntheticChildren::Flags().SetCascades(true).SetSkipPointers(true).SetSkipReferences(true).SetNonCacheable(true),
                                                                                                                              "vector_type synthetic children",
                                                                                                                              lldb_private::formatters::VectorTypeSyntheticFrontEndCreator));
                                             if (valobj.GetCompilerType().IsVectorType(nullptr, nullptr))
                                             {
                                                 if (fmt_mgr.GetCategory(fmt_mgr.m_vectortypes_category_name)->IsEnabled())
                                                     return formatter_sp;
                                             }
                                             return nullptr;
                                         });
    }
    {
        // insert code to load validators here
    }
}