1 //===-- NSArray.cpp ---------------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "clang/AST/ASTContext.h"
14 #include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.h"
15 #include "lldb/Core/ValueObject.h"
16 #include "lldb/Core/ValueObjectConstResult.h"
17 #include "lldb/DataFormatters/FormattersHelpers.h"
18 #include "lldb/Expression/FunctionCaller.h"
19 #include "lldb/Symbol/ClangASTContext.h"
20 #include "lldb/Target/Language.h"
21 #include "lldb/Target/ObjCLanguageRuntime.h"
22 #include "lldb/Target/Target.h"
23 #include "lldb/Utility/DataBufferHeap.h"
24 #include "lldb/Utility/Endian.h"
25 #include "lldb/Utility/Status.h"
26 #include "lldb/Utility/Stream.h"
29 using namespace lldb_private;
30 using namespace lldb_private::formatters;
32 namespace lldb_private {
33 namespace formatters {
34 std::map<ConstString, CXXFunctionSummaryFormat::Callback> &
35 NSArray_Additionals::GetAdditionalSummaries() {
36 static std::map<ConstString, CXXFunctionSummaryFormat::Callback> g_map;
40 std::map<ConstString, CXXSyntheticChildren::CreateFrontEndCallback> &
41 NSArray_Additionals::GetAdditionalSynthetics() {
42 static std::map<ConstString, CXXSyntheticChildren::CreateFrontEndCallback>
47 class NSArrayMSyntheticFrontEndBase : public SyntheticChildrenFrontEnd {
49 NSArrayMSyntheticFrontEndBase(lldb::ValueObjectSP valobj_sp);
51 ~NSArrayMSyntheticFrontEndBase() override = default;
53 size_t CalculateNumChildren() override;
55 lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
57 bool Update() override = 0;
59 bool MightHaveChildren() override;
61 size_t GetIndexOfChildWithName(const ConstString &name) override;
64 virtual lldb::addr_t GetDataAddress() = 0;
66 virtual uint64_t GetUsedCount() = 0;
68 virtual uint64_t GetOffset() = 0;
70 virtual uint64_t GetSize() = 0;
72 ExecutionContextRef m_exe_ctx_ref;
74 CompilerType m_id_type;
77 template <typename D32, typename D64>
78 class GenericNSArrayMSyntheticFrontEnd : public NSArrayMSyntheticFrontEndBase {
80 GenericNSArrayMSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
82 ~GenericNSArrayMSyntheticFrontEnd() override;
84 bool Update() override;
87 lldb::addr_t GetDataAddress() override;
89 uint64_t GetUsedCount() override;
91 uint64_t GetOffset() override;
93 uint64_t GetSize() override;
100 namespace Foundation109 {
101 struct DataDescriptor_32 {
106 uint32_t _offset : 30;
111 struct DataDescriptor_64 {
116 uint64_t _offset : 62;
121 using NSArrayMSyntheticFrontEnd =
122 GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
125 namespace Foundation1010 {
126 struct DataDescriptor_32 {
135 struct DataDescriptor_64 {
144 using NSArrayMSyntheticFrontEnd =
145 GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
148 namespace Foundation1428 {
149 struct DataDescriptor_32 {
156 struct DataDescriptor_64 {
163 using NSArrayMSyntheticFrontEnd =
164 GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
167 namespace Foundation1437 {
168 template <typename PtrType>
169 struct DataDescriptor {
184 using NSArrayMSyntheticFrontEnd =
185 GenericNSArrayMSyntheticFrontEnd<
186 DataDescriptor<uint32_t>, DataDescriptor<uint64_t>>;
188 template <typename DD>
190 __NSArrayMSize_Impl(lldb_private::Process &process,
191 lldb::addr_t valobj_addr, Status &error) {
192 const lldb::addr_t start_of_descriptor =
193 valobj_addr + process.GetAddressByteSize();
194 DD descriptor = DD();
195 process.ReadMemory(start_of_descriptor, &descriptor,
196 sizeof(descriptor), error);
200 return descriptor._used;
204 __NSArrayMSize(lldb_private::Process &process, lldb::addr_t valobj_addr,
206 if (process.GetAddressByteSize() == 4) {
207 return __NSArrayMSize_Impl<DataDescriptor<uint32_t>>(process, valobj_addr,
210 return __NSArrayMSize_Impl<DataDescriptor<uint64_t>>(process, valobj_addr,
217 namespace CallStackArray {
218 struct DataDescriptor_32 {
222 const uint32_t _size = 0;
225 struct DataDescriptor_64 {
229 const uint64_t _size = 0;
232 using NSCallStackArraySyntheticFrontEnd =
233 GenericNSArrayMSyntheticFrontEnd<DataDescriptor_32, DataDescriptor_64>;
234 } // namespace CallStackArray
236 template <typename D32, typename D64, bool Inline>
237 class GenericNSArrayISyntheticFrontEnd : public SyntheticChildrenFrontEnd {
239 GenericNSArrayISyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
241 ~GenericNSArrayISyntheticFrontEnd() override;
243 size_t CalculateNumChildren() override;
245 lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
247 bool Update() override;
249 bool MightHaveChildren() override;
251 size_t GetIndexOfChildWithName(const ConstString &name) override;
254 ExecutionContextRef m_exe_ctx_ref;
259 CompilerType m_id_type;
262 namespace Foundation1300 {
273 using NSArrayISyntheticFrontEnd =
274 GenericNSArrayISyntheticFrontEnd<IDD32, IDD64, true>;
277 namespace Foundation1430 {
278 using NSArrayISyntheticFrontEnd =
279 Foundation1428::NSArrayMSyntheticFrontEnd;
282 namespace Foundation1436 {
285 uint32_t list; // in Inline cases, this is the first element
290 uint64_t list; // in Inline cases, this is the first element
293 using NSArrayI_TransferSyntheticFrontEnd =
294 GenericNSArrayISyntheticFrontEnd<IDD32, IDD64, false>;
296 using NSArrayISyntheticFrontEnd =
297 GenericNSArrayISyntheticFrontEnd<IDD32, IDD64, true>;
299 using NSFrozenArrayMSyntheticFrontEnd =
300 Foundation1437::NSArrayMSyntheticFrontEnd;
303 __NSFrozenArrayMSize(lldb_private::Process &process, lldb::addr_t valobj_addr,
305 return Foundation1437::__NSArrayMSize(process, valobj_addr, error);
309 class NSArray0SyntheticFrontEnd : public SyntheticChildrenFrontEnd {
311 NSArray0SyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
313 ~NSArray0SyntheticFrontEnd() override = default;
315 size_t CalculateNumChildren() override;
317 lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
319 bool Update() override;
321 bool MightHaveChildren() override;
323 size_t GetIndexOfChildWithName(const ConstString &name) override;
326 class NSArray1SyntheticFrontEnd : public SyntheticChildrenFrontEnd {
328 NSArray1SyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
330 ~NSArray1SyntheticFrontEnd() override = default;
332 size_t CalculateNumChildren() override;
334 lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
336 bool Update() override;
338 bool MightHaveChildren() override;
340 size_t GetIndexOfChildWithName(const ConstString &name) override;
342 } // namespace formatters
343 } // namespace lldb_private
345 bool lldb_private::formatters::NSArraySummaryProvider(
346 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
347 static ConstString g_TypeHint("NSArray");
349 ProcessSP process_sp = valobj.GetProcessSP();
353 ObjCLanguageRuntime *runtime =
354 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
355 lldb::eLanguageTypeObjC);
360 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
361 runtime->GetClassDescriptor(valobj));
363 if (!descriptor || !descriptor->IsValid())
366 uint32_t ptr_size = process_sp->GetAddressByteSize();
368 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
375 ConstString class_name(descriptor->GetClassName());
377 static const ConstString g_NSArrayI("__NSArrayI");
378 static const ConstString g_NSArrayM("__NSArrayM");
379 static const ConstString g_NSArrayI_Transfer("__NSArrayI_Transfer");
380 static const ConstString g_NSFrozenArrayM("__NSFrozenArrayM");
381 static const ConstString g_NSArray0("__NSArray0");
382 static const ConstString g_NSArray1("__NSSingleObjectArrayI");
383 static const ConstString g_NSArrayCF("__NSCFArray");
384 static const ConstString g_NSArrayMLegacy("__NSArrayM_Legacy");
385 static const ConstString g_NSArrayMImmutable("__NSArrayM_Immutable");
386 static const ConstString g_NSCallStackArray("_NSCallStackArray");
388 if (class_name.IsEmpty())
391 if (class_name == g_NSArrayI) {
393 value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
397 } else if (class_name == g_NSArrayM) {
398 AppleObjCRuntime *apple_runtime =
399 llvm::dyn_cast_or_null<AppleObjCRuntime>(runtime);
401 if (apple_runtime && apple_runtime->GetFoundationVersion() >= 1437) {
402 value = Foundation1437::__NSArrayMSize(*process_sp, valobj_addr, error);
404 value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
409 } else if (class_name == g_NSArrayI_Transfer) {
411 value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
415 } else if (class_name == g_NSFrozenArrayM) {
417 value = Foundation1436::__NSFrozenArrayMSize(*process_sp, valobj_addr, error);
420 } else if (class_name == g_NSArrayMLegacy) {
422 value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
426 } else if (class_name == g_NSArrayMImmutable) {
428 value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
432 } else if (class_name == g_NSArray0) {
434 } else if (class_name == g_NSArray1) {
436 } else if (class_name == g_NSArrayCF || class_name == g_NSCallStackArray) {
437 // __NSCFArray and _NSCallStackArray store the number of elements as a
438 // pointer-sized value at offset `2 * ptr_size`.
440 value = process_sp->ReadUnsignedIntegerFromMemory(
441 valobj_addr + 2 * ptr_size, ptr_size, 0, error);
445 auto &map(NSArray_Additionals::GetAdditionalSummaries());
446 auto iter = map.find(class_name), end = map.end();
448 return iter->second(valobj, stream, options);
453 std::string prefix, suffix;
454 if (Language *language = Language::FindPlugin(options.GetLanguage())) {
455 if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
462 stream.Printf("%s%" PRIu64 " %s%s%s", prefix.c_str(), value, "element",
463 value == 1 ? "" : "s", suffix.c_str());
467 lldb_private::formatters::NSArrayMSyntheticFrontEndBase::NSArrayMSyntheticFrontEndBase(
468 lldb::ValueObjectSP valobj_sp)
469 : SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_ptr_size(8),
472 clang::ASTContext *ast = valobj_sp->GetExecutionContextRef()
474 ->GetScratchClangASTContext()
477 m_id_type = CompilerType(ast, ast->ObjCBuiltinIdTy);
478 if (valobj_sp->GetProcessSP())
479 m_ptr_size = valobj_sp->GetProcessSP()->GetAddressByteSize();
483 template <typename D32, typename D64>
484 lldb_private::formatters::
485 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
486 GenericNSArrayMSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
487 : NSArrayMSyntheticFrontEndBase(valobj_sp), m_data_32(nullptr),
488 m_data_64(nullptr) {}
491 lldb_private::formatters::NSArrayMSyntheticFrontEndBase::CalculateNumChildren() {
492 return GetUsedCount();
496 lldb_private::formatters::NSArrayMSyntheticFrontEndBase::GetChildAtIndex(
498 if (idx >= CalculateNumChildren())
499 return lldb::ValueObjectSP();
500 lldb::addr_t object_at_idx = GetDataAddress();
501 size_t pyhs_idx = idx;
502 pyhs_idx += GetOffset();
503 if (GetSize() <= pyhs_idx)
504 pyhs_idx -= GetSize();
505 object_at_idx += (pyhs_idx * m_ptr_size);
506 StreamString idx_name;
507 idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
508 return CreateValueObjectFromAddress(idx_name.GetString(), object_at_idx,
509 m_exe_ctx_ref, m_id_type);
512 template <typename D32, typename D64>
514 lldb_private::formatters::
515 GenericNSArrayMSyntheticFrontEnd<D32, D64>::Update() {
516 ValueObjectSP valobj_sp = m_backend.GetSP();
524 m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
527 lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
530 m_ptr_size = process_sp->GetAddressByteSize();
531 uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
532 if (m_ptr_size == 4) {
533 m_data_32 = new D32();
534 process_sp->ReadMemory(data_location, m_data_32, sizeof(D32),
537 m_data_64 = new D64();
538 process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
547 lldb_private::formatters::NSArrayMSyntheticFrontEndBase::MightHaveChildren() {
552 lldb_private::formatters::NSArrayMSyntheticFrontEndBase::GetIndexOfChildWithName(
553 const ConstString &name) {
554 const char *item_name = name.GetCString();
555 uint32_t idx = ExtractIndexFromString(item_name);
556 if (idx < UINT32_MAX && idx >= CalculateNumChildren())
561 template <typename D32, typename D64>
562 lldb_private::formatters::
563 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
564 ~GenericNSArrayMSyntheticFrontEnd() {
571 template <typename D32, typename D64>
573 lldb_private::formatters::
574 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
575 GenericNSArrayMSyntheticFrontEnd::GetDataAddress() {
576 if (!m_data_32 && !m_data_64)
577 return LLDB_INVALID_ADDRESS;
578 return m_data_32 ? m_data_32->_data : m_data_64->_data;
581 template <typename D32, typename D64>
583 lldb_private::formatters::
584 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
585 GenericNSArrayMSyntheticFrontEnd::GetUsedCount() {
586 if (!m_data_32 && !m_data_64)
588 return m_data_32 ? m_data_32->_used : m_data_64->_used;
591 template <typename D32, typename D64>
593 lldb_private::formatters::
594 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
595 GenericNSArrayMSyntheticFrontEnd::GetOffset() {
596 if (!m_data_32 && !m_data_64)
598 return m_data_32 ? m_data_32->_offset : m_data_64->_offset;
601 template <typename D32, typename D64>
603 lldb_private::formatters::
604 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
605 GenericNSArrayMSyntheticFrontEnd::GetSize() {
606 if (!m_data_32 && !m_data_64)
608 return m_data_32 ? m_data_32->_size : m_data_64->_size;
611 template <typename D32, typename D64, bool Inline>
612 lldb_private::formatters::GenericNSArrayISyntheticFrontEnd<D32, D64, Inline>::
613 GenericNSArrayISyntheticFrontEnd(
614 lldb::ValueObjectSP valobj_sp)
615 : SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_ptr_size(8),
616 m_data_32(nullptr), m_data_64(nullptr) {
618 CompilerType type = valobj_sp->GetCompilerType();
620 ClangASTContext *ast = valobj_sp->GetExecutionContextRef()
622 ->GetScratchClangASTContext();
624 m_id_type = CompilerType(ast->getASTContext(),
625 ast->getASTContext()->ObjCBuiltinIdTy);
630 template <typename D32, typename D64, bool Inline>
631 lldb_private::formatters::GenericNSArrayISyntheticFrontEnd<D32, D64, Inline>::
632 ~GenericNSArrayISyntheticFrontEnd() {
639 template <typename D32, typename D64, bool Inline>
641 lldb_private::formatters::GenericNSArrayISyntheticFrontEnd<D32, D64, Inline>::
642 GetIndexOfChildWithName(const ConstString &name) {
643 const char *item_name = name.GetCString();
644 uint32_t idx = ExtractIndexFromString(item_name);
645 if (idx < UINT32_MAX && idx >= CalculateNumChildren())
650 template <typename D32, typename D64, bool Inline>
652 lldb_private::formatters::GenericNSArrayISyntheticFrontEnd<D32, D64, Inline>::
653 CalculateNumChildren() {
654 return m_data_32 ? m_data_32->used : m_data_64->used;
657 template <typename D32, typename D64, bool Inline>
659 lldb_private::formatters::GenericNSArrayISyntheticFrontEnd<D32, D64, Inline>::
661 ValueObjectSP valobj_sp = m_backend.GetSP();
669 m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
672 lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
675 m_ptr_size = process_sp->GetAddressByteSize();
676 uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
677 if (m_ptr_size == 4) {
678 m_data_32 = new D32();
679 process_sp->ReadMemory(data_location, m_data_32, sizeof(D32),
682 m_data_64 = new D64();
683 process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
691 template <typename D32, typename D64, bool Inline>
693 lldb_private::formatters::GenericNSArrayISyntheticFrontEnd<D32, D64, Inline>::
694 MightHaveChildren() {
698 template <typename D32, typename D64, bool Inline>
700 lldb_private::formatters::GenericNSArrayISyntheticFrontEnd<D32, D64, Inline>::
701 GetChildAtIndex(size_t idx) {
702 if (idx >= CalculateNumChildren())
703 return lldb::ValueObjectSP();
704 lldb::addr_t object_at_idx;
706 object_at_idx = m_backend.GetSP()->GetValueAsUnsigned(0) + m_ptr_size;
707 object_at_idx += m_ptr_size == 4 ? sizeof(D32) : sizeof(D64); // skip the data header
708 object_at_idx -= m_ptr_size; // we treat the last entry in the data header as the first pointer
710 object_at_idx = m_data_32 ? m_data_32->list : m_data_64->list;
712 object_at_idx += (idx * m_ptr_size);
714 ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
716 return lldb::ValueObjectSP();
719 return lldb::ValueObjectSP();
720 StreamString idx_name;
721 idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
722 return CreateValueObjectFromAddress(idx_name.GetString(), object_at_idx,
723 m_exe_ctx_ref, m_id_type);
726 lldb_private::formatters::NSArray0SyntheticFrontEnd::NSArray0SyntheticFrontEnd(
727 lldb::ValueObjectSP valobj_sp)
728 : SyntheticChildrenFrontEnd(*valobj_sp) {}
731 lldb_private::formatters::NSArray0SyntheticFrontEnd::GetIndexOfChildWithName(
732 const ConstString &name) {
737 lldb_private::formatters::NSArray0SyntheticFrontEnd::CalculateNumChildren() {
741 bool lldb_private::formatters::NSArray0SyntheticFrontEnd::Update() {
745 bool lldb_private::formatters::NSArray0SyntheticFrontEnd::MightHaveChildren() {
750 lldb_private::formatters::NSArray0SyntheticFrontEnd::GetChildAtIndex(
752 return lldb::ValueObjectSP();
755 lldb_private::formatters::NSArray1SyntheticFrontEnd::NSArray1SyntheticFrontEnd(
756 lldb::ValueObjectSP valobj_sp)
757 : SyntheticChildrenFrontEnd(*valobj_sp.get()) {}
760 lldb_private::formatters::NSArray1SyntheticFrontEnd::GetIndexOfChildWithName(
761 const ConstString &name) {
762 static const ConstString g_zero("[0]");
771 lldb_private::formatters::NSArray1SyntheticFrontEnd::CalculateNumChildren() {
775 bool lldb_private::formatters::NSArray1SyntheticFrontEnd::Update() {
779 bool lldb_private::formatters::NSArray1SyntheticFrontEnd::MightHaveChildren() {
784 lldb_private::formatters::NSArray1SyntheticFrontEnd::GetChildAtIndex(
786 static const ConstString g_zero("[0]");
789 CompilerType id_type(
790 m_backend.GetTargetSP()->GetScratchClangASTContext()->GetBasicType(
791 lldb::eBasicTypeObjCID));
792 return m_backend.GetSyntheticChildAtOffset(
793 m_backend.GetProcessSP()->GetAddressByteSize(), id_type, true, g_zero);
795 return lldb::ValueObjectSP();
798 SyntheticChildrenFrontEnd *
799 lldb_private::formatters::NSArraySyntheticFrontEndCreator(
800 CXXSyntheticChildren *synth, lldb::ValueObjectSP valobj_sp) {
804 lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
807 AppleObjCRuntime *runtime = llvm::dyn_cast_or_null<AppleObjCRuntime>(
808 process_sp->GetObjCLanguageRuntime());
812 CompilerType valobj_type(valobj_sp->GetCompilerType());
813 Flags flags(valobj_type.GetTypeInfo());
815 if (flags.IsClear(eTypeIsPointer)) {
817 valobj_sp = valobj_sp->AddressOf(error);
818 if (error.Fail() || !valobj_sp)
822 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
823 runtime->GetClassDescriptor(*valobj_sp));
825 if (!descriptor || !descriptor->IsValid())
828 ConstString class_name(descriptor->GetClassName());
830 static const ConstString g_NSArrayI("__NSArrayI");
831 static const ConstString g_NSArrayI_Transfer("__NSArrayI_Transfer");
832 static const ConstString g_NSFrozenArrayM("__NSFrozenArrayM");
833 static const ConstString g_NSArrayM("__NSArrayM");
834 static const ConstString g_NSArray0("__NSArray0");
835 static const ConstString g_NSArray1("__NSSingleObjectArrayI");
836 static const ConstString g_NSArrayMLegacy("__NSArrayM_Legacy");
837 static const ConstString g_NSArrayMImmutable("__NSArrayM_Immutable");
838 static const ConstString g_NSCallStackArray("_NSCallStackArray");
840 if (class_name.IsEmpty())
843 if (class_name == g_NSArrayI) {
844 if (runtime->GetFoundationVersion() >= 1436)
845 return (new Foundation1436::NSArrayISyntheticFrontEnd(valobj_sp));
846 if (runtime->GetFoundationVersion() >= 1430)
847 return (new Foundation1430::NSArrayISyntheticFrontEnd(valobj_sp));
849 return (new Foundation1300::NSArrayISyntheticFrontEnd(valobj_sp));
850 } else if (class_name == g_NSArrayI_Transfer) {
851 return (new Foundation1436::NSArrayI_TransferSyntheticFrontEnd(valobj_sp));
852 } else if (class_name == g_NSArray0) {
853 } else if (class_name == g_NSFrozenArrayM) {
854 return (new Foundation1436::NSFrozenArrayMSyntheticFrontEnd(valobj_sp));
855 } else if (class_name == g_NSArray0) {
856 return (new NSArray0SyntheticFrontEnd(valobj_sp));
857 } else if (class_name == g_NSArray1) {
858 return (new NSArray1SyntheticFrontEnd(valobj_sp));
859 } else if (class_name == g_NSArrayM) {
860 if (runtime->GetFoundationVersion() >= 1437)
861 return (new Foundation1437::NSArrayMSyntheticFrontEnd(valobj_sp));
862 if (runtime->GetFoundationVersion() >= 1428)
863 return (new Foundation1428::NSArrayMSyntheticFrontEnd(valobj_sp));
864 if (runtime->GetFoundationVersion() >= 1100)
865 return (new Foundation1010::NSArrayMSyntheticFrontEnd(valobj_sp));
867 return (new Foundation109::NSArrayMSyntheticFrontEnd(valobj_sp));
868 } else if (class_name == g_NSCallStackArray) {
869 return (new CallStackArray::NSCallStackArraySyntheticFrontEnd(valobj_sp));
871 auto &map(NSArray_Additionals::GetAdditionalSynthetics());
872 auto iter = map.find(class_name), end = map.end();
874 return iter->second(synth, valobj_sp);