LLDB  mainline
NSArray.cpp
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1 //===-- NSArray.cpp -------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "clang/AST/ASTContext.h"
10 #include "clang/Basic/TargetInfo.h"
11 
12 #include "Cocoa.h"
13 
16 
17 #include "lldb/Core/ValueObject.h"
21 #include "lldb/Target/Language.h"
22 #include "lldb/Target/Target.h"
24 #include "lldb/Utility/Endian.h"
25 #include "lldb/Utility/Status.h"
26 #include "lldb/Utility/Stream.h"
27 
28 using namespace lldb;
29 using namespace lldb_private;
30 using namespace lldb_private::formatters;
31 
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;
37  return g_map;
38 }
39 
40 std::map<ConstString, CXXSyntheticChildren::CreateFrontEndCallback> &
41 NSArray_Additionals::GetAdditionalSynthetics() {
42  static std::map<ConstString, CXXSyntheticChildren::CreateFrontEndCallback>
43  g_map;
44  return g_map;
45 }
46 
48 public:
49  NSArrayMSyntheticFrontEndBase(lldb::ValueObjectSP valobj_sp);
50 
51  ~NSArrayMSyntheticFrontEndBase() override = default;
52 
53  size_t CalculateNumChildren() override;
54 
55  lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
56 
57  bool Update() override = 0;
58 
59  bool MightHaveChildren() override;
60 
61  size_t GetIndexOfChildWithName(ConstString name) override;
62 
63 protected:
64  virtual lldb::addr_t GetDataAddress() = 0;
65 
66  virtual uint64_t GetUsedCount() = 0;
67 
68  virtual uint64_t GetOffset() = 0;
69 
70  virtual uint64_t GetSize() = 0;
71 
73  uint8_t m_ptr_size = 8;
75 };
76 
77 template <typename D32, typename D64>
79 public:
80  GenericNSArrayMSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
81 
83 
84  bool Update() override;
85 
86 protected:
87  lldb::addr_t GetDataAddress() override;
88 
89  uint64_t GetUsedCount() override;
90 
91  uint64_t GetOffset() override;
92 
93  uint64_t GetSize() override;
94 
95 private:
96  D32 *m_data_32;
97  D64 *m_data_64;
98 };
99 
100 namespace Foundation1010 {
101  namespace {
102  struct DataDescriptor_32 {
106  uint64_t _priv1 : 4;
109  };
110 
111  struct DataDescriptor_64 {
112  uint64_t _used;
113  uint64_t _offset;
114  uint64_t _size : 60;
115  uint64_t _priv1 : 4;
117  uint64_t _data;
118  };
119  }
120 
123 }
124 
125 namespace Foundation1428 {
126  namespace {
127  struct DataDescriptor_32 {
128  uint32_t _used;
130  uint32_t _size;
131  uint32_t _data;
132  };
133 
134  struct DataDescriptor_64 {
135  uint64_t _used;
136  uint64_t _offset;
137  uint64_t _size;
138  uint64_t _data;
139  };
140  }
141 
144 }
145 
146 namespace Foundation1437 {
147  template <typename PtrType>
148  struct DataDescriptor {
149  PtrType _cow;
150  // __deque
151  PtrType _data;
156  };
157 
161 
162  template <typename DD>
163  uint64_t
165  lldb::addr_t valobj_addr, Status &error) {
166  const lldb::addr_t start_of_descriptor =
167  valobj_addr + process.GetAddressByteSize();
168  DD descriptor = DD();
169  process.ReadMemory(start_of_descriptor, &descriptor,
170  sizeof(descriptor), error);
171  if (error.Fail()) {
172  return 0;
173  }
174  return descriptor._used;
175  }
176 
177  uint64_t
179  Status &error) {
180  if (process.GetAddressByteSize() == 4) {
181  return __NSArrayMSize_Impl<DataDescriptor<uint32_t>>(process, valobj_addr,
182  error);
183  } else {
184  return __NSArrayMSize_Impl<DataDescriptor<uint64_t>>(process, valobj_addr,
185  error);
186  }
187  }
188 
189 }
190 
191 namespace CallStackArray {
196  const uint32_t _size = 0;
197 };
198 
200  uint64_t _data;
201  uint64_t _used;
202  uint64_t _offset;
203  const uint64_t _size = 0;
204 };
205 
208 } // namespace CallStackArray
209 
210 template <typename D32, typename D64, bool Inline>
212 public:
213  GenericNSArrayISyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
214 
216 
217  size_t CalculateNumChildren() override;
218 
219  lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
220 
221  bool Update() override;
222 
223  bool MightHaveChildren() override;
224 
225  size_t GetIndexOfChildWithName(ConstString name) override;
226 
227 private:
229  uint8_t m_ptr_size = 8;
230 
231  D32 *m_data_32;
232  D64 *m_data_64;
234 };
235 
236 namespace Foundation1300 {
237  struct IDD32 {
240  };
241 
242  struct IDD64 {
243  uint64_t used;
244  uint64_t list;
245  };
246 
249 }
250 
251 namespace Foundation1430 {
254 }
255 
256 namespace Foundation1436 {
257  struct IDD32 {
259  uint32_t list; // in Inline cases, this is the first element
260  };
261 
262  struct IDD64 {
263  uint64_t used;
264  uint64_t list; // in Inline cases, this is the first element
265  };
266 
269 
272 
275 
276  uint64_t
278  Status &error) {
279  return Foundation1437::__NSArrayMSize(process, valobj_addr, error);
280  }
281 }
282 
283 namespace ConstantArray {
284 
286  uint64_t used;
288 };
289 
291  uint64_t used;
292  uint64_t list;
293 };
294 
297 } // namespace ConstantArray
298 
300 public:
301  NSArray0SyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
302 
303  ~NSArray0SyntheticFrontEnd() override = default;
304 
305  size_t CalculateNumChildren() override;
306 
307  lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
308 
309  bool Update() override;
310 
311  bool MightHaveChildren() override;
312 
313  size_t GetIndexOfChildWithName(ConstString name) override;
314 };
315 
317 public:
318  NSArray1SyntheticFrontEnd(lldb::ValueObjectSP valobj_sp);
319 
320  ~NSArray1SyntheticFrontEnd() override = default;
321 
322  size_t CalculateNumChildren() override;
323 
324  lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
325 
326  bool Update() override;
327 
328  bool MightHaveChildren() override;
329 
330  size_t GetIndexOfChildWithName(ConstString name) override;
331 };
332 } // namespace formatters
333 } // namespace lldb_private
334 
336  ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
337  static ConstString g_TypeHint("NSArray");
338 
339  ProcessSP process_sp = valobj.GetProcessSP();
340  if (!process_sp)
341  return false;
342 
343  ObjCLanguageRuntime *runtime = ObjCLanguageRuntime::Get(*process_sp);
344 
345  if (!runtime)
346  return false;
347 
349  runtime->GetClassDescriptor(valobj));
350 
351  if (!descriptor || !descriptor->IsValid())
352  return false;
353 
354  uint32_t ptr_size = process_sp->GetAddressByteSize();
355 
356  lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
357 
358  if (!valobj_addr)
359  return false;
360 
361  uint64_t value = 0;
362 
363  ConstString class_name(descriptor->GetClassName());
364 
365  static const ConstString g_NSArrayI("__NSArrayI");
366  static const ConstString g_NSArrayM("__NSArrayM");
367  static const ConstString g_NSArrayI_Transfer("__NSArrayI_Transfer");
368  static const ConstString g_NSFrozenArrayM("__NSFrozenArrayM");
369  static const ConstString g_NSArray0("__NSArray0");
370  static const ConstString g_NSArray1("__NSSingleObjectArrayI");
371  static const ConstString g_NSArrayCF("__NSCFArray");
372  static const ConstString g_NSArrayMLegacy("__NSArrayM_Legacy");
373  static const ConstString g_NSArrayMImmutable("__NSArrayM_Immutable");
374  static const ConstString g_NSCallStackArray("_NSCallStackArray");
375  static const ConstString g_NSConstantArray("NSConstantArray");
376 
377  if (class_name.IsEmpty())
378  return false;
379 
380  if (class_name == g_NSArrayI) {
381  Status error;
382  value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
383  ptr_size, 0, error);
384  if (error.Fail())
385  return false;
386  } else if (class_name == g_NSConstantArray) {
387  Status error;
388  value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, 8,
389  0, error);
390  if (error.Fail())
391  return false;
392  } else if (class_name == g_NSArrayM) {
393  AppleObjCRuntime *apple_runtime =
394  llvm::dyn_cast_or_null<AppleObjCRuntime>(runtime);
395  Status error;
396  if (apple_runtime && apple_runtime->GetFoundationVersion() >= 1437) {
397  value = Foundation1437::__NSArrayMSize(*process_sp, valobj_addr, error);
398  } else {
399  value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
400  ptr_size, 0, error);
401  }
402  if (error.Fail())
403  return false;
404  } else if (class_name == g_NSArrayI_Transfer) {
405  Status error;
406  value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
407  ptr_size, 0, error);
408  if (error.Fail())
409  return false;
410  } else if (class_name == g_NSFrozenArrayM) {
411  Status error;
412  value = Foundation1436::__NSFrozenArrayMSize(*process_sp, valobj_addr, error);
413  if (error.Fail())
414  return false;
415  } else if (class_name == g_NSArrayMLegacy) {
416  Status error;
417  value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
418  ptr_size, 0, error);
419  if (error.Fail())
420  return false;
421  } else if (class_name == g_NSArrayMImmutable) {
422  Status error;
423  value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
424  ptr_size, 0, error);
425  if (error.Fail())
426  return false;
427  } else if (class_name == g_NSArray0) {
428  value = 0;
429  } else if (class_name == g_NSArray1) {
430  value = 1;
431  } else if (class_name == g_NSArrayCF || class_name == g_NSCallStackArray) {
432  // __NSCFArray and _NSCallStackArray store the number of elements as a
433  // pointer-sized value at offset `2 * ptr_size`.
434  Status error;
435  value = process_sp->ReadUnsignedIntegerFromMemory(
436  valobj_addr + 2 * ptr_size, ptr_size, 0, error);
437  if (error.Fail())
438  return false;
439  } else {
440  auto &map(NSArray_Additionals::GetAdditionalSummaries());
441  auto iter = map.find(class_name), end = map.end();
442  if (iter != end)
443  return iter->second(valobj, stream, options);
444  else
445  return false;
446  }
447 
448  std::string prefix, suffix;
449  if (Language *language = Language::FindPlugin(options.GetLanguage())) {
450  if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
451  suffix)) {
452  prefix.clear();
453  suffix.clear();
454  }
455  }
456 
457  stream.Printf("%s%" PRIu64 " %s%s%s", prefix.c_str(), value, "element",
458  value == 1 ? "" : "s", suffix.c_str());
459  return true;
460 }
461 
463  NSArrayMSyntheticFrontEndBase(lldb::ValueObjectSP valobj_sp)
464  : SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_id_type() {
465  if (valobj_sp) {
466  auto *clang_ast_context = ScratchTypeSystemClang::GetForTarget(
467  *valobj_sp->GetExecutionContextRef().GetTargetSP());
468  if (clang_ast_context)
470  clang_ast_context,
471  clang_ast_context->getASTContext().ObjCBuiltinIdTy.getAsOpaquePtr());
472  if (valobj_sp->GetProcessSP())
473  m_ptr_size = valobj_sp->GetProcessSP()->GetAddressByteSize();
474  }
475 }
476 
477 template <typename D32, typename D64>
480  GenericNSArrayMSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
481  : NSArrayMSyntheticFrontEndBase(valobj_sp), m_data_32(nullptr),
482  m_data_64(nullptr) {}
483 
484 size_t
486  return GetUsedCount();
487 }
488 
489 lldb::ValueObjectSP
491  size_t idx) {
492  if (idx >= CalculateNumChildren())
493  return lldb::ValueObjectSP();
494  lldb::addr_t object_at_idx = GetDataAddress();
495  size_t pyhs_idx = idx;
496  pyhs_idx += GetOffset();
497  if (GetSize() <= pyhs_idx)
498  pyhs_idx -= GetSize();
499  object_at_idx += (pyhs_idx * m_ptr_size);
500  StreamString idx_name;
501  idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
502  return CreateValueObjectFromAddress(idx_name.GetString(), object_at_idx,
503  m_exe_ctx_ref, m_id_type);
504 }
505 
506 template <typename D32, typename D64>
507 bool
510  ValueObjectSP valobj_sp = m_backend.GetSP();
511  m_ptr_size = 0;
512  delete m_data_32;
513  m_data_32 = nullptr;
514  delete m_data_64;
515  m_data_64 = nullptr;
516  if (!valobj_sp)
517  return false;
518  m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
519  Status error;
520  error.Clear();
521  lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
522  if (!process_sp)
523  return false;
524  m_ptr_size = process_sp->GetAddressByteSize();
525  uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
526  if (m_ptr_size == 4) {
527  m_data_32 = new D32();
528  process_sp->ReadMemory(data_location, m_data_32, sizeof(D32),
529  error);
530  } else {
531  m_data_64 = new D64();
532  process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
533  error);
534  }
535  if (error.Fail())
536  return false;
537  return false;
538 }
539 
540 bool
542  return true;
543 }
544 
545 size_t
547  ConstString name) {
548  const char *item_name = name.GetCString();
549  uint32_t idx = ExtractIndexFromString(item_name);
550  if (idx < UINT32_MAX && idx >= CalculateNumChildren())
551  return UINT32_MAX;
552  return idx;
553 }
554 
555 template <typename D32, typename D64>
556 lldb_private::formatters::
557  GenericNSArrayMSyntheticFrontEnd<D32, D64>::
558  ~GenericNSArrayMSyntheticFrontEnd<D32, D64>() {
559  delete m_data_32;
560  m_data_32 = nullptr;
561  delete m_data_64;
562  m_data_64 = nullptr;
563 }
564 
565 template <typename D32, typename D64>
567 lldb_private::formatters::
568  GenericNSArrayMSyntheticFrontEnd<D32, D64>::
569  GenericNSArrayMSyntheticFrontEnd::GetDataAddress() {
570  if (!m_data_32 && !m_data_64)
571  return LLDB_INVALID_ADDRESS;
572  return m_data_32 ? m_data_32->_data : m_data_64->_data;
573 }
574 
575 template <typename D32, typename D64>
576 uint64_t
577 lldb_private::formatters::
578  GenericNSArrayMSyntheticFrontEnd<D32, D64>::
579  GenericNSArrayMSyntheticFrontEnd::GetUsedCount() {
580  if (!m_data_32 && !m_data_64)
581  return 0;
582  return m_data_32 ? m_data_32->_used : m_data_64->_used;
583 }
584 
585 template <typename D32, typename D64>
586 uint64_t
587 lldb_private::formatters::
588  GenericNSArrayMSyntheticFrontEnd<D32, D64>::
589  GenericNSArrayMSyntheticFrontEnd::GetOffset() {
590  if (!m_data_32 && !m_data_64)
591  return 0;
592  return m_data_32 ? m_data_32->_offset : m_data_64->_offset;
593 }
594 
595 template <typename D32, typename D64>
596 uint64_t
597 lldb_private::formatters::
598  GenericNSArrayMSyntheticFrontEnd<D32, D64>::
599  GenericNSArrayMSyntheticFrontEnd::GetSize() {
600  if (!m_data_32 && !m_data_64)
601  return 0;
602  return m_data_32 ? m_data_32->_size : m_data_64->_size;
603 }
604 
605 template <typename D32, typename D64, bool Inline>
607  GenericNSArrayISyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
608  : SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(),
609  m_data_32(nullptr), m_data_64(nullptr) {
610  if (valobj_sp) {
611  CompilerType type = valobj_sp->GetCompilerType();
612  if (type) {
613  auto *clang_ast_context = ScratchTypeSystemClang::GetForTarget(
614  *valobj_sp->GetExecutionContextRef().GetTargetSP());
615  if (clang_ast_context)
616  m_id_type = clang_ast_context->GetType(
617  clang_ast_context->getASTContext().ObjCBuiltinIdTy);
618  }
619  }
620 }
621 
622 template <typename D32, typename D64, bool Inline>
625  delete m_data_32;
626  m_data_32 = nullptr;
627  delete m_data_64;
628  m_data_64 = nullptr;
629 }
630 
631 template <typename D32, typename D64, bool Inline>
632 size_t
635  const char *item_name = name.GetCString();
636  uint32_t idx = ExtractIndexFromString(item_name);
637  if (idx < UINT32_MAX && idx >= CalculateNumChildren())
638  return UINT32_MAX;
639  return idx;
640 }
641 
642 template <typename D32, typename D64, bool Inline>
643 size_t
646  return m_data_32 ? m_data_32->used : m_data_64->used;
647 }
648 
649 template <typename D32, typename D64, bool Inline>
650 bool
653  ValueObjectSP valobj_sp = m_backend.GetSP();
654  m_ptr_size = 0;
655  delete m_data_32;
656  m_data_32 = nullptr;
657  delete m_data_64;
658  m_data_64 = nullptr;
659  if (!valobj_sp)
660  return false;
661  m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
662  Status error;
663  error.Clear();
664  lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
665  if (!process_sp)
666  return false;
667  m_ptr_size = process_sp->GetAddressByteSize();
668  uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
669  if (m_ptr_size == 4) {
670  m_data_32 = new D32();
671  process_sp->ReadMemory(data_location, m_data_32, sizeof(D32),
672  error);
673  } else {
674  m_data_64 = new D64();
675  process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
676  error);
677  }
678  if (error.Fail())
679  return false;
680  return false;
681 }
682 
683 template <typename D32, typename D64, bool Inline>
684 bool
687  return true;
688 }
689 
690 template <typename D32, typename D64, bool Inline>
691 lldb::ValueObjectSP
693  GetChildAtIndex(size_t idx) {
694  if (idx >= CalculateNumChildren())
695  return lldb::ValueObjectSP();
696  lldb::addr_t object_at_idx;
697  if (Inline) {
698  object_at_idx = m_backend.GetSP()->GetValueAsUnsigned(0) + m_ptr_size;
699  object_at_idx += m_ptr_size == 4 ? sizeof(D32) : sizeof(D64); // skip the data header
700  object_at_idx -= m_ptr_size; // we treat the last entry in the data header as the first pointer
701  } else {
702  object_at_idx = m_data_32 ? m_data_32->list : m_data_64->list;
703  }
704  object_at_idx += (idx * m_ptr_size);
705 
706  ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
707  if (!process_sp)
708  return lldb::ValueObjectSP();
709  Status error;
710  if (error.Fail())
711  return lldb::ValueObjectSP();
712  StreamString idx_name;
713  idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
714  return CreateValueObjectFromAddress(idx_name.GetString(), object_at_idx,
715  m_exe_ctx_ref, m_id_type);
716 }
717 
719  lldb::ValueObjectSP valobj_sp)
720  : SyntheticChildrenFrontEnd(*valobj_sp) {}
721 
722 size_t
724  ConstString name) {
725  return UINT32_MAX;
726 }
727 
728 size_t
730  return 0;
731 }
732 
734  return false;
735 }
736 
738  return false;
739 }
740 
741 lldb::ValueObjectSP
743  size_t idx) {
744  return lldb::ValueObjectSP();
745 }
746 
748  lldb::ValueObjectSP valobj_sp)
749  : SyntheticChildrenFrontEnd(*valobj_sp.get()) {}
750 
751 size_t
753  ConstString name) {
754  static const ConstString g_zero("[0]");
755 
756  if (name == g_zero)
757  return 0;
758 
759  return UINT32_MAX;
760 }
761 
762 size_t
764  return 1;
765 }
766 
768  return false;
769 }
770 
772  return true;
773 }
774 
775 lldb::ValueObjectSP
777  size_t idx) {
778  static const ConstString g_zero("[0]");
779 
780  if (idx == 0) {
781  auto *clang_ast_context =
782  ScratchTypeSystemClang::GetForTarget(*m_backend.GetTargetSP());
783  if (clang_ast_context) {
784  CompilerType id_type(
785  clang_ast_context->GetBasicType(lldb::eBasicTypeObjCID));
786  return m_backend.GetSyntheticChildAtOffset(
787  m_backend.GetProcessSP()->GetAddressByteSize(), id_type, true,
788  g_zero);
789  }
790  }
791  return lldb::ValueObjectSP();
792 }
793 
796  CXXSyntheticChildren *synth, lldb::ValueObjectSP valobj_sp) {
797  if (!valobj_sp)
798  return nullptr;
799 
800  lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
801  if (!process_sp)
802  return nullptr;
803  AppleObjCRuntime *runtime = llvm::dyn_cast_or_null<AppleObjCRuntime>(
804  ObjCLanguageRuntime::Get(*process_sp));
805  if (!runtime)
806  return nullptr;
807 
808  CompilerType valobj_type(valobj_sp->GetCompilerType());
809  Flags flags(valobj_type.GetTypeInfo());
810 
811  if (flags.IsClear(eTypeIsPointer)) {
812  Status error;
813  valobj_sp = valobj_sp->AddressOf(error);
814  if (error.Fail() || !valobj_sp)
815  return nullptr;
816  }
817 
819  runtime->GetClassDescriptor(*valobj_sp));
820 
821  if (!descriptor || !descriptor->IsValid())
822  return nullptr;
823 
824  ConstString class_name(descriptor->GetClassName());
825 
826  static const ConstString g_NSArrayI("__NSArrayI");
827  static const ConstString g_NSConstantArray("NSConstantArray");
828  static const ConstString g_NSArrayI_Transfer("__NSArrayI_Transfer");
829  static const ConstString g_NSFrozenArrayM("__NSFrozenArrayM");
830  static const ConstString g_NSArrayM("__NSArrayM");
831  static const ConstString g_NSArray0("__NSArray0");
832  static const ConstString g_NSArray1("__NSSingleObjectArrayI");
833  static const ConstString g_NSArrayMLegacy("__NSArrayM_Legacy");
834  static const ConstString g_NSArrayMImmutable("__NSArrayM_Immutable");
835  static const ConstString g_NSCallStackArray("_NSCallStackArray");
836 
837  if (class_name.IsEmpty())
838  return nullptr;
839 
840  if (class_name == g_NSArrayI) {
841  if (runtime->GetFoundationVersion() >= 1436)
842  return (new Foundation1436::NSArrayISyntheticFrontEnd(valobj_sp));
843  if (runtime->GetFoundationVersion() >= 1430)
844  return (new Foundation1430::NSArrayISyntheticFrontEnd(valobj_sp));
845  return (new Foundation1300::NSArrayISyntheticFrontEnd(valobj_sp));
846  } else if (class_name == g_NSArrayI_Transfer) {
848  } else if (class_name == g_NSConstantArray) {
850  } else if (class_name == g_NSFrozenArrayM) {
851  return (new Foundation1436::NSFrozenArrayMSyntheticFrontEnd(valobj_sp));
852  } else if (class_name == g_NSArray0) {
853  return (new NSArray0SyntheticFrontEnd(valobj_sp));
854  } else if (class_name == g_NSArray1) {
855  return (new NSArray1SyntheticFrontEnd(valobj_sp));
856  } else if (class_name == g_NSArrayM) {
857  if (runtime->GetFoundationVersion() >= 1437)
858  return (new Foundation1437::NSArrayMSyntheticFrontEnd(valobj_sp));
859  if (runtime->GetFoundationVersion() >= 1428)
860  return (new Foundation1428::NSArrayMSyntheticFrontEnd(valobj_sp));
861  if (runtime->GetFoundationVersion() >= 1100)
862  return (new Foundation1010::NSArrayMSyntheticFrontEnd(valobj_sp));
863  } else if (class_name == g_NSCallStackArray) {
865  } else {
867  auto iter = map.find(class_name), end = map.end();
868  if (iter != end)
869  return iter->second(synth, valobj_sp);
870  }
871 
872  return nullptr;
873 }
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Definition: ValueObject.cpp:1090
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Definition: NSArray.cpp:723
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Definition: NSArray.cpp:292
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Definition: NSArray.cpp:155
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Definition: NSArray.cpp:258
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Definition: Process.cpp:1921
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Definition: ObjCLanguageRuntime.h:35
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Definition: ObjCLanguageRuntime.h:45
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Definition: NSArray.cpp:74
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Definition: NSArray.cpp:78
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Definition: ObjCLanguageRuntime.h:214
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Definition: NSArray.cpp:776
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Definition: Stream.h:28
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Definition: TypeSummary.cpp:31
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Definition: NSArray.cpp:752
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string(SUBSTRING ${p} 10 -1 pStripped) if($
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Definition: NSArray.cpp:771
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Definition: NSArray.cpp:211
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Definition: NSArray.cpp:737
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Definition: NSArray.cpp:103
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Definition: NSArray.cpp:693
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Definition: lldb-defines.h:74
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Definition: ConstString.h:216
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Definition: NSArray.cpp:106
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Generic representation of a type in a programming language.
Definition: CompilerType.h:33
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Output printf formatted output to the stream.
Definition: Stream.cpp:107
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Definition: NSArray.cpp:238
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Definition: CXXFunctionPointer.h:15
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Definition: NSArray.cpp:509
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Definition: NSArray.cpp:652
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Definition: NSArray.cpp:634
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Definition: NSArray.cpp:107
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Definition: NSArray.cpp:763
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Definition: NSArray.cpp:490
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Definition: NSArray.cpp:541
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Test a single flag bit to see if it is clear (zero).
Definition: Flags.h:111
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Definition: NSArray.cpp:239
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Definition: ExecutionContext.h:72
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Definition: FormattersHelpers.cpp:119
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Definition: NSArray.cpp:233
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