LLDB mainline
NSArray.cpp
Go to the documentation of this file.
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
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
28using namespace lldb;
29using namespace lldb_private;
30using namespace lldb_private::formatters;
31
32namespace lldb_private {
33namespace formatters {
34std::map<ConstString, CXXFunctionSummaryFormat::Callback> &
36 static std::map<ConstString, CXXFunctionSummaryFormat::Callback> g_map;
37 return g_map;
38}
39
40std::map<ConstString, CXXSyntheticChildren::CreateFrontEndCallback> &
42 static std::map<ConstString, CXXSyntheticChildren::CreateFrontEndCallback>
43 g_map;
44 return g_map;
45}
46
48public:
50
51 ~NSArrayMSyntheticFrontEndBase() override = default;
52
53 size_t CalculateNumChildren() override;
54
55 lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
56
58
59 bool MightHaveChildren() override;
60
61 size_t GetIndexOfChildWithName(ConstString name) override;
62
63protected:
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
77template <typename D32, typename D64>
79public:
81
83
85
86protected:
88
89 uint64_t GetUsedCount() override;
90
91 uint64_t GetOffset() override;
92
93 uint64_t GetSize() override;
94
95private:
98};
99
100namespace Foundation1010 {
101 namespace {
102 struct DataDescriptor_32 {
103 uint32_t _used;
104 uint32_t _offset;
105 uint32_t _size : 28;
106 uint64_t _priv1 : 4;
107 uint32_t _priv2;
108 uint32_t _data;
109 };
110
111 struct DataDescriptor_64 {
112 uint64_t _used;
113 uint64_t _offset;
114 uint64_t _size : 60;
115 uint64_t _priv1 : 4;
116 uint32_t _priv2;
117 uint64_t _data;
118 };
119 }
120
123}
124
125namespace Foundation1428 {
126 namespace {
127 struct DataDescriptor_32 {
128 uint32_t _used;
129 uint32_t _offset;
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
146namespace Foundation1437 {
147 template <typename PtrType>
149 PtrType _cow;
150 // __deque
151 PtrType _data;
152 uint32_t _offset;
153 uint32_t _size;
154 uint32_t _muts;
155 uint32_t _used;
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
191namespace CallStackArray {
193 uint32_t _data;
194 uint32_t _used;
195 uint32_t _offset;
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
210template <typename D32, typename D64, bool Inline>
212public:
214
216
217 size_t CalculateNumChildren() override;
218
219 lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
220
221 lldb::ChildCacheState Update() override;
222
223 bool MightHaveChildren() override;
224
225 size_t GetIndexOfChildWithName(ConstString name) override;
226
227private:
229 uint8_t m_ptr_size = 8;
230
234};
235
236namespace Foundation1300 {
237 struct IDD32 {
238 uint32_t used;
239 uint32_t list;
240 };
241
242 struct IDD64 {
243 uint64_t used;
244 uint64_t list;
245 };
246
249}
250
251namespace Foundation1430 {
254}
255
256namespace Foundation1436 {
257 struct IDD32 {
258 uint32_t used;
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
283namespace ConstantArray {
284
286 uint64_t used;
287 uint32_t list;
288};
289
291 uint64_t used;
292 uint64_t list;
293};
294
297} // namespace ConstantArray
298
300public:
302
303 ~NSArray0SyntheticFrontEnd() override = default;
304
305 size_t CalculateNumChildren() override;
306
307 lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
308
309 lldb::ChildCacheState Update() override;
310
311 bool MightHaveChildren() override;
312
313 size_t GetIndexOfChildWithName(ConstString name) override;
314};
315
317public:
319
320 ~NSArray1SyntheticFrontEnd() override = default;
321
322 size_t CalculateNumChildren() override;
323
324 lldb::ValueObjectSP GetChildAtIndex(size_t idx) override;
325
326 lldb::ChildCacheState 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 constexpr llvm::StringLiteral 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) {
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) {
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);
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) {
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) {
412 value = Foundation1436::__NSFrozenArrayMSize(*process_sp, valobj_addr, error);
413 if (error.Fail())
414 return false;
415 } else if (class_name == g_NSArrayMLegacy) {
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) {
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`.
435 value = process_sp->ReadUnsignedIntegerFromMemory(
436 valobj_addr + 2 * ptr_size, ptr_size, 0, error);
437 if (error.Fail())
438 return false;
439 } else {
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 llvm::StringRef prefix, suffix;
449 if (Language *language = Language::FindPlugin(options.GetLanguage()))
450 std::tie(prefix, suffix) = language->GetFormatterPrefixSuffix(g_TypeHint);
451
452 stream << prefix;
453 stream.Printf("%" PRIu64 " %s%s", value, "element", value == 1 ? "" : "s");
454 stream << suffix;
455 return true;
456}
457
460 : SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(), m_id_type() {
461 if (valobj_sp) {
463 *valobj_sp->GetExecutionContextRef().GetTargetSP());
464 if (scratch_ts_sp)
466 scratch_ts_sp->weak_from_this(),
467 scratch_ts_sp->getASTContext().ObjCBuiltinIdTy.getAsOpaquePtr());
468 if (valobj_sp->GetProcessSP())
469 m_ptr_size = valobj_sp->GetProcessSP()->GetAddressByteSize();
470 }
471}
472
473template <typename D32, typename D64>
477 : NSArrayMSyntheticFrontEndBase(valobj_sp), m_data_32(nullptr),
478 m_data_64(nullptr) {}
479
480size_t
482 return GetUsedCount();
483}
484
487 size_t idx) {
488 if (idx >= CalculateNumChildren())
489 return lldb::ValueObjectSP();
490 lldb::addr_t object_at_idx = GetDataAddress();
491 size_t pyhs_idx = idx;
492 pyhs_idx += GetOffset();
493 if (GetSize() <= pyhs_idx)
494 pyhs_idx -= GetSize();
495 object_at_idx += (pyhs_idx * m_ptr_size);
496 StreamString idx_name;
497 idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
498 return CreateValueObjectFromAddress(idx_name.GetString(), object_at_idx,
499 m_exe_ctx_ref, m_id_type);
500}
501
502template <typename D32, typename D64>
505 ValueObjectSP valobj_sp = m_backend.GetSP();
506 m_ptr_size = 0;
507 delete m_data_32;
508 m_data_32 = nullptr;
509 delete m_data_64;
510 m_data_64 = nullptr;
511 if (!valobj_sp)
513 m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
515 error.Clear();
516 lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
517 if (!process_sp)
519 m_ptr_size = process_sp->GetAddressByteSize();
520 uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
521 if (m_ptr_size == 4) {
522 m_data_32 = new D32();
523 process_sp->ReadMemory(data_location, m_data_32, sizeof(D32),
524 error);
525 } else {
526 m_data_64 = new D64();
527 process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
528 error);
529 }
530
531 return error.Success() ? lldb::ChildCacheState::eReuse
533}
534
535bool
537 return true;
538}
539
540size_t
542 ConstString name) {
543 const char *item_name = name.GetCString();
544 uint32_t idx = ExtractIndexFromString(item_name);
545 if (idx < UINT32_MAX && idx >= CalculateNumChildren())
546 return UINT32_MAX;
547 return idx;
548}
549
550template <typename D32, typename D64>
553 delete m_data_32;
554 m_data_32 = nullptr;
555 delete m_data_64;
556 m_data_64 = nullptr;
557}
558
559template <typename D32, typename D64>
561lldb_private::formatters::
562 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
563 GenericNSArrayMSyntheticFrontEnd::GetDataAddress() {
564 if (!m_data_32 && !m_data_64)
566 return m_data_32 ? m_data_32->_data : m_data_64->_data;
567}
568
569template <typename D32, typename D64>
570uint64_t
571lldb_private::formatters::
572 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
573 GenericNSArrayMSyntheticFrontEnd::GetUsedCount() {
574 if (!m_data_32 && !m_data_64)
575 return 0;
576 return m_data_32 ? m_data_32->_used : m_data_64->_used;
577}
578
579template <typename D32, typename D64>
580uint64_t
581lldb_private::formatters::
582 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
583 GenericNSArrayMSyntheticFrontEnd::GetOffset() {
584 if (!m_data_32 && !m_data_64)
585 return 0;
586 return m_data_32 ? m_data_32->_offset : m_data_64->_offset;
587}
588
589template <typename D32, typename D64>
590uint64_t
591lldb_private::formatters::
592 GenericNSArrayMSyntheticFrontEnd<D32, D64>::
593 GenericNSArrayMSyntheticFrontEnd::GetSize() {
594 if (!m_data_32 && !m_data_64)
595 return 0;
596 return m_data_32 ? m_data_32->_size : m_data_64->_size;
597}
598
599template <typename D32, typename D64, bool Inline>
602 : SyntheticChildrenFrontEnd(*valobj_sp), m_exe_ctx_ref(),
603 m_data_32(nullptr), m_data_64(nullptr) {
604 if (valobj_sp) {
605 CompilerType type = valobj_sp->GetCompilerType();
606 if (type) {
608 *valobj_sp->GetExecutionContextRef().GetTargetSP());
609 if (scratch_ts_sp)
610 m_id_type = scratch_ts_sp->GetType(
611 scratch_ts_sp->getASTContext().ObjCBuiltinIdTy);
612 }
613 }
614}
615
616template <typename D32, typename D64, bool Inline>
619 delete m_data_32;
620 m_data_32 = nullptr;
621 delete m_data_64;
622 m_data_64 = nullptr;
623}
624
625template <typename D32, typename D64, bool Inline>
626size_t
629 const char *item_name = name.GetCString();
630 uint32_t idx = ExtractIndexFromString(item_name);
631 if (idx < UINT32_MAX && idx >= CalculateNumChildren())
632 return UINT32_MAX;
633 return idx;
634}
635
636template <typename D32, typename D64, bool Inline>
637size_t
640 return m_data_32 ? m_data_32->used : m_data_64->used;
641}
642
643template <typename D32, typename D64, bool Inline>
646 Inline>::Update() {
647 ValueObjectSP valobj_sp = m_backend.GetSP();
648 m_ptr_size = 0;
649 delete m_data_32;
650 m_data_32 = nullptr;
651 delete m_data_64;
652 m_data_64 = nullptr;
653 if (!valobj_sp)
655 m_exe_ctx_ref = valobj_sp->GetExecutionContextRef();
657 error.Clear();
658 lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
659 if (!process_sp)
661 m_ptr_size = process_sp->GetAddressByteSize();
662 uint64_t data_location = valobj_sp->GetValueAsUnsigned(0) + m_ptr_size;
663 if (m_ptr_size == 4) {
664 m_data_32 = new D32();
665 process_sp->ReadMemory(data_location, m_data_32, sizeof(D32),
666 error);
667 } else {
668 m_data_64 = new D64();
669 process_sp->ReadMemory(data_location, m_data_64, sizeof(D64),
670 error);
671 }
672
673 return error.Success() ? lldb::ChildCacheState::eReuse
675}
676
677template <typename D32, typename D64, bool Inline>
678bool
681 return true;
682}
683
684template <typename D32, typename D64, bool Inline>
687 GetChildAtIndex(size_t idx) {
688 if (idx >= CalculateNumChildren())
689 return lldb::ValueObjectSP();
690 lldb::addr_t object_at_idx;
691 if (Inline) {
692 object_at_idx = m_backend.GetSP()->GetValueAsUnsigned(0) + m_ptr_size;
693 object_at_idx += m_ptr_size == 4 ? sizeof(D32) : sizeof(D64); // skip the data header
694 object_at_idx -= m_ptr_size; // we treat the last entry in the data header as the first pointer
695 } else {
696 object_at_idx = m_data_32 ? m_data_32->list : m_data_64->list;
697 }
698 object_at_idx += (idx * m_ptr_size);
699
700 ProcessSP process_sp = m_exe_ctx_ref.GetProcessSP();
701 if (!process_sp)
702 return lldb::ValueObjectSP();
704 if (error.Fail())
705 return lldb::ValueObjectSP();
706 StreamString idx_name;
707 idx_name.Printf("[%" PRIu64 "]", (uint64_t)idx);
708 return CreateValueObjectFromAddress(idx_name.GetString(), object_at_idx,
709 m_exe_ctx_ref, m_id_type);
710}
711
713 lldb::ValueObjectSP valobj_sp)
714 : SyntheticChildrenFrontEnd(*valobj_sp) {}
715
716size_t
718 ConstString name) {
719 return UINT32_MAX;
720}
721
722size_t
724 return 0;
725}
726
730}
731
733 return false;
734}
735
738 size_t idx) {
739 return lldb::ValueObjectSP();
740}
741
743 lldb::ValueObjectSP valobj_sp)
744 : SyntheticChildrenFrontEnd(*valobj_sp.get()) {}
745
746size_t
748 ConstString name) {
749 static const ConstString g_zero("[0]");
750
751 if (name == g_zero)
752 return 0;
753
754 return UINT32_MAX;
755}
756
757size_t
759 return 1;
760}
761
765}
766
768 return true;
769}
770
773 size_t idx) {
774 static const ConstString g_zero("[0]");
775
776 if (idx == 0) {
777 TypeSystemClangSP scratch_ts_sp =
778 ScratchTypeSystemClang::GetForTarget(*m_backend.GetTargetSP());
779 if (scratch_ts_sp) {
780 CompilerType id_type(scratch_ts_sp->GetBasicType(lldb::eBasicTypeObjCID));
781 return m_backend.GetSyntheticChildAtOffset(
782 m_backend.GetProcessSP()->GetAddressByteSize(), id_type, true,
783 g_zero);
784 }
785 }
786 return lldb::ValueObjectSP();
787}
788
791 CXXSyntheticChildren *synth, lldb::ValueObjectSP valobj_sp) {
792 if (!valobj_sp)
793 return nullptr;
794
795 lldb::ProcessSP process_sp(valobj_sp->GetProcessSP());
796 if (!process_sp)
797 return nullptr;
798 AppleObjCRuntime *runtime = llvm::dyn_cast_or_null<AppleObjCRuntime>(
799 ObjCLanguageRuntime::Get(*process_sp));
800 if (!runtime)
801 return nullptr;
802
803 CompilerType valobj_type(valobj_sp->GetCompilerType());
804 Flags flags(valobj_type.GetTypeInfo());
805
806 if (flags.IsClear(eTypeIsPointer)) {
808 valobj_sp = valobj_sp->AddressOf(error);
809 if (error.Fail() || !valobj_sp)
810 return nullptr;
811 }
812
814 runtime->GetClassDescriptor(*valobj_sp));
815
816 if (!descriptor || !descriptor->IsValid())
817 return nullptr;
818
819 ConstString class_name(descriptor->GetClassName());
820
821 static const ConstString g_NSArrayI("__NSArrayI");
822 static const ConstString g_NSConstantArray("NSConstantArray");
823 static const ConstString g_NSArrayI_Transfer("__NSArrayI_Transfer");
824 static const ConstString g_NSFrozenArrayM("__NSFrozenArrayM");
825 static const ConstString g_NSArrayM("__NSArrayM");
826 static const ConstString g_NSArray0("__NSArray0");
827 static const ConstString g_NSArray1("__NSSingleObjectArrayI");
828 static const ConstString g_NSArrayMLegacy("__NSArrayM_Legacy");
829 static const ConstString g_NSArrayMImmutable("__NSArrayM_Immutable");
830 static const ConstString g_NSCallStackArray("_NSCallStackArray");
831
832 if (class_name.IsEmpty())
833 return nullptr;
834
835 if (class_name == g_NSArrayI) {
836 if (runtime->GetFoundationVersion() >= 1436)
837 return (new Foundation1436::NSArrayISyntheticFrontEnd(valobj_sp));
838 if (runtime->GetFoundationVersion() >= 1430)
839 return (new Foundation1430::NSArrayISyntheticFrontEnd(valobj_sp));
840 return (new Foundation1300::NSArrayISyntheticFrontEnd(valobj_sp));
841 } else if (class_name == g_NSArrayI_Transfer) {
843 } else if (class_name == g_NSConstantArray) {
845 } else if (class_name == g_NSFrozenArrayM) {
847 } else if (class_name == g_NSArray0) {
848 return (new NSArray0SyntheticFrontEnd(valobj_sp));
849 } else if (class_name == g_NSArray1) {
850 return (new NSArray1SyntheticFrontEnd(valobj_sp));
851 } else if (class_name == g_NSArrayM) {
852 if (runtime->GetFoundationVersion() >= 1437)
853 return (new Foundation1437::NSArrayMSyntheticFrontEnd(valobj_sp));
854 if (runtime->GetFoundationVersion() >= 1428)
855 return (new Foundation1428::NSArrayMSyntheticFrontEnd(valobj_sp));
856 if (runtime->GetFoundationVersion() >= 1100)
857 return (new Foundation1010::NSArrayMSyntheticFrontEnd(valobj_sp));
858 } else if (class_name == g_NSCallStackArray) {
860 } else {
862 auto iter = map.find(class_name), end = map.end();
863 if (iter != end)
864 return iter->second(synth, valobj_sp);
865 }
866
867 return nullptr;
868}
static llvm::raw_ostream & error(Stream &strm)
uint32_t _data
Definition: NSArray.cpp:108
uint32_t _size
Definition: NSArray.cpp:105
uint32_t _used
Definition: NSArray.cpp:103
uint32_t _priv2
Definition: NSArray.cpp:107
uint32_t _offset
Definition: NSArray.cpp:104
uint64_t _priv1
Definition: NSArray.cpp:106
static std::optional< size_t > CalculateNumChildren(CompilerType container_elem_type, uint64_t num_elements, CompilerType element_type)
Calculates the number of elements stored in a container (with element type 'container_elem_type') as ...
Definition: VectorType.cpp:197
Generic representation of a type in a programming language.
Definition: CompilerType.h:36
uint32_t GetTypeInfo(CompilerType *pointee_or_element_compiler_type=nullptr) const
A uniqued constant string class.
Definition: ConstString.h:40
bool IsEmpty() const
Test for empty string.
Definition: ConstString.h:302
const char * GetCString() const
Get the string value as a C string.
Definition: ConstString.h:214
Execution context objects refer to objects in the execution of the program that is being debugged.
A class to manage flags.
Definition: Flags.h:22
bool IsClear(ValueType bit) const
Test a single flag bit to see if it is clear (zero).
Definition: Flags.h:111
static Language * FindPlugin(lldb::LanguageType language)
Definition: Language.cpp:53
std::shared_ptr< ClassDescriptor > ClassDescriptorSP
static ObjCLanguageRuntime * Get(Process &process)
virtual ClassDescriptorSP GetClassDescriptor(ValueObject &in_value)
A plug-in interface definition class for debugging a process.
Definition: Process.h:340
virtual size_t ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size, Status &error)
Read of memory from a process.
Definition: Process.cpp:1938
uint32_t GetAddressByteSize() const
Definition: Process.cpp:3403
static lldb::TypeSystemClangSP GetForTarget(Target &target, std::optional< IsolatedASTKind > ast_kind=DefaultAST, bool create_on_demand=true)
Returns the scratch TypeSystemClang for the given target.
An error handling class.
Definition: Status.h:44
llvm::StringRef GetString() const
A stream class that can stream formatted output to a file.
Definition: Stream.h:28
size_t Printf(const char *format,...) __attribute__((format(printf
Output printf formatted output to the stream.
Definition: Stream.cpp:134
lldb::LanguageType GetLanguage() const
Definition: TypeSummary.cpp:31
lldb::ProcessSP GetProcessSP() const
Definition: ValueObject.h:338
virtual uint64_t GetValueAsUnsigned(uint64_t fail_value, bool *success=nullptr)
GenericNSArrayISyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
Definition: NSArray.cpp:601
size_t GetIndexOfChildWithName(ConstString name) override
Definition: NSArray.cpp:628
lldb::ChildCacheState Update() override
This function is assumed to always succeed and if it fails, the front-end should know to deal with it...
Definition: NSArray.cpp:646
lldb::ValueObjectSP GetChildAtIndex(size_t idx) override
Definition: NSArray.cpp:687
lldb::ChildCacheState Update() override
This function is assumed to always succeed and if it fails, the front-end should know to deal with it...
Definition: NSArray.cpp:504
GenericNSArrayMSyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
Definition: NSArray.cpp:476
size_t GetIndexOfChildWithName(ConstString name) override
Definition: NSArray.cpp:717
lldb::ValueObjectSP GetChildAtIndex(size_t idx) override
Definition: NSArray.cpp:737
NSArray0SyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
Definition: NSArray.cpp:712
lldb::ChildCacheState Update() override
This function is assumed to always succeed and if it fails, the front-end should know to deal with it...
Definition: NSArray.cpp:728
lldb::ChildCacheState Update() override
This function is assumed to always succeed and if it fails, the front-end should know to deal with it...
Definition: NSArray.cpp:763
NSArray1SyntheticFrontEnd(lldb::ValueObjectSP valobj_sp)
Definition: NSArray.cpp:742
size_t GetIndexOfChildWithName(ConstString name) override
Definition: NSArray.cpp:747
lldb::ValueObjectSP GetChildAtIndex(size_t idx) override
Definition: NSArray.cpp:772
size_t GetIndexOfChildWithName(ConstString name) override
Definition: NSArray.cpp:541
lldb::ValueObjectSP GetChildAtIndex(size_t idx) override
Definition: NSArray.cpp:486
NSArrayMSyntheticFrontEndBase(lldb::ValueObjectSP valobj_sp)
Definition: NSArray.cpp:459
lldb::ChildCacheState Update() override=0
This function is assumed to always succeed and if it fails, the front-end should know to deal with it...
static std::map< ConstString, CXXFunctionSummaryFormat::Callback > & GetAdditionalSummaries()
Definition: NSArray.cpp:35
static std::map< ConstString, CXXSyntheticChildren::CreateFrontEndCallback > & GetAdditionalSynthetics()
Definition: NSArray.cpp:41
#define LLDB_INVALID_ADDRESS
Definition: lldb-defines.h:82
#define UINT32_MAX
Definition: lldb-defines.h:19
GenericNSArrayISyntheticFrontEnd< ConstantArray32, ConstantArray64, false > NSConstantArraySyntheticFrontEnd
Definition: NSArray.cpp:296
GenericNSArrayMSyntheticFrontEnd< DataDescriptor_32, DataDescriptor_64 > NSArrayMSyntheticFrontEnd
Definition: NSArray.cpp:143
uint64_t __NSFrozenArrayMSize(lldb_private::Process &process, lldb::addr_t valobj_addr, Status &error)
Definition: NSArray.cpp:277
GenericNSArrayMSyntheticFrontEnd< DataDescriptor< uint32_t >, DataDescriptor< uint64_t > > NSArrayMSyntheticFrontEnd
Definition: NSArray.cpp:160
uint64_t __NSArrayMSize(lldb_private::Process &process, lldb::addr_t valobj_addr, Status &error)
Definition: NSArray.cpp:178
uint64_t __NSArrayMSize_Impl(lldb_private::Process &process, lldb::addr_t valobj_addr, Status &error)
Definition: NSArray.cpp:164
SyntheticChildrenFrontEnd * NSArraySyntheticFrontEndCreator(CXXSyntheticChildren *, lldb::ValueObjectSP)
Definition: NSArray.cpp:790
size_t ExtractIndexFromString(const char *item_name)
bool NSArraySummaryProvider(ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options)
Definition: NSArray.cpp:335
A class that represents a running process on the host machine.
Definition: SBAttachInfo.h:14
Definition: SBAddress.h:15
@ eBasicTypeObjCID
ChildCacheState
Specifies if children need to be re-computed after a call to SyntheticChildrenFrontEnd::Update.
@ eRefetch
Children need to be recomputed dynamically.
@ eReuse
Children did not change and don't need to be recomputed; re-use what we computed the last time we cal...
std::shared_ptr< lldb_private::ValueObject > ValueObjectSP
Definition: lldb-forward.h:472
std::shared_ptr< lldb_private::Process > ProcessSP
Definition: lldb-forward.h:381
std::shared_ptr< lldb_private::TypeSystemClang > TypeSystemClangSP
Definition: lldb-forward.h:458
uint64_t addr_t
Definition: lldb-types.h:79