1 //===-- Cocoa.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 //===----------------------------------------------------------------------===//
12 #include "lldb/Core/Mangled.h"
13 #include "lldb/Core/ValueObject.h"
14 #include "lldb/Core/ValueObjectConstResult.h"
15 #include "lldb/DataFormatters/FormattersHelpers.h"
16 #include "lldb/DataFormatters/StringPrinter.h"
17 #include "lldb/DataFormatters/TypeSummary.h"
18 #include "lldb/Host/Time.h"
19 #include "lldb/Symbol/ClangASTContext.h"
20 #include "lldb/Target/Language.h"
21 #include "lldb/Target/ObjCLanguageRuntime.h"
22 #include "lldb/Target/Process.h"
23 #include "lldb/Target/ProcessStructReader.h"
24 #include "lldb/Target/Target.h"
25 #include "lldb/Utility/DataBufferHeap.h"
26 #include "lldb/Utility/Endian.h"
27 #include "lldb/Utility/Status.h"
28 #include "lldb/Utility/Stream.h"
30 #include "llvm/ADT/APInt.h"
32 #include "Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntime.h"
37 using namespace lldb_private;
38 using namespace lldb_private::formatters;
40 bool lldb_private::formatters::NSBundleSummaryProvider(
41 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
42 ProcessSP process_sp = valobj.GetProcessSP();
46 ObjCLanguageRuntime *runtime =
47 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
48 lldb::eLanguageTypeObjC);
53 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
54 runtime->GetClassDescriptor(valobj));
56 if (!descriptor || !descriptor->IsValid())
59 uint32_t ptr_size = process_sp->GetAddressByteSize();
61 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
66 llvm::StringRef class_name(descriptor->GetClassName().GetCString());
68 if (class_name.empty())
71 if (class_name == "NSBundle") {
72 uint64_t offset = 5 * ptr_size;
73 ValueObjectSP text(valobj.GetSyntheticChildAtOffset(
75 valobj.GetCompilerType().GetBasicTypeFromAST(lldb::eBasicTypeObjCID),
78 StreamString summary_stream;
79 bool was_nsstring_ok =
80 NSStringSummaryProvider(*text, summary_stream, options);
81 if (was_nsstring_ok && summary_stream.GetSize() > 0) {
82 stream.Printf("%s", summary_stream.GetData());
90 bool lldb_private::formatters::NSTimeZoneSummaryProvider(
91 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
92 ProcessSP process_sp = valobj.GetProcessSP();
96 ObjCLanguageRuntime *runtime =
97 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
98 lldb::eLanguageTypeObjC);
103 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
104 runtime->GetClassDescriptor(valobj));
106 if (!descriptor || !descriptor->IsValid())
109 uint32_t ptr_size = process_sp->GetAddressByteSize();
111 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
116 llvm::StringRef class_name(descriptor->GetClassName().GetCString());
118 if (class_name.empty())
121 if (class_name == "__NSTimeZone") {
122 uint64_t offset = ptr_size;
123 ValueObjectSP text(valobj.GetSyntheticChildAtOffset(
124 offset, valobj.GetCompilerType(), true));
125 StreamString summary_stream;
126 bool was_nsstring_ok =
127 NSStringSummaryProvider(*text, summary_stream, options);
128 if (was_nsstring_ok && summary_stream.GetSize() > 0) {
129 stream.Printf("%s", summary_stream.GetData());
137 bool lldb_private::formatters::NSNotificationSummaryProvider(
138 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
139 ProcessSP process_sp = valobj.GetProcessSP();
143 ObjCLanguageRuntime *runtime =
144 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
145 lldb::eLanguageTypeObjC);
150 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
151 runtime->GetClassDescriptor(valobj));
153 if (!descriptor || !descriptor->IsValid())
156 uint32_t ptr_size = process_sp->GetAddressByteSize();
158 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
163 llvm::StringRef class_name(descriptor->GetClassName().GetCString());
165 if (class_name.empty())
168 if (class_name == "NSConcreteNotification") {
169 uint64_t offset = ptr_size;
170 ValueObjectSP text(valobj.GetSyntheticChildAtOffset(
171 offset, valobj.GetCompilerType(), true));
172 StreamString summary_stream;
173 bool was_nsstring_ok =
174 NSStringSummaryProvider(*text, summary_stream, options);
175 if (was_nsstring_ok && summary_stream.GetSize() > 0) {
176 stream.Printf("%s", summary_stream.GetData());
184 bool lldb_private::formatters::NSMachPortSummaryProvider(
185 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
186 ProcessSP process_sp = valobj.GetProcessSP();
190 ObjCLanguageRuntime *runtime =
191 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
192 lldb::eLanguageTypeObjC);
197 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
198 runtime->GetClassDescriptor(valobj));
200 if (!descriptor || !descriptor->IsValid())
203 uint32_t ptr_size = process_sp->GetAddressByteSize();
205 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
210 llvm::StringRef class_name(descriptor->GetClassName().GetCString());
212 if (class_name.empty())
215 uint64_t port_number = 0;
217 if (class_name == "NSMachPort") {
218 uint64_t offset = (ptr_size == 4 ? 12 : 20);
220 port_number = process_sp->ReadUnsignedIntegerFromMemory(
221 offset + valobj_addr, 4, 0, error);
222 if (error.Success()) {
223 stream.Printf("mach port: %u",
224 (uint32_t)(port_number & 0x00000000FFFFFFFF));
232 bool lldb_private::formatters::NSIndexSetSummaryProvider(
233 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
234 ProcessSP process_sp = valobj.GetProcessSP();
238 ObjCLanguageRuntime *runtime =
239 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
240 lldb::eLanguageTypeObjC);
245 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
246 runtime->GetClassDescriptor(valobj));
248 if (!descriptor || !descriptor->IsValid())
251 uint32_t ptr_size = process_sp->GetAddressByteSize();
253 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
258 llvm::StringRef class_name(descriptor->GetClassName().GetCString());
260 if (class_name.empty())
266 if (class_name == "NSIndexSet" || class_name == "NSMutableIndexSet") {
268 uint32_t mode = process_sp->ReadUnsignedIntegerFromMemory(
269 valobj_addr + ptr_size, 4, 0, error);
272 // this means the set is empty - count = 0
273 if ((mode & 1) == 1) {
278 mode = 1; // this means the set only has one range
280 mode = 2; // this means the set has multiple ranges
282 count = process_sp->ReadUnsignedIntegerFromMemory(
283 valobj_addr + 3 * ptr_size, ptr_size, 0, error);
287 // read a pointer to the data at 2*ptr_size
288 count = process_sp->ReadUnsignedIntegerFromMemory(
289 valobj_addr + 2 * ptr_size, ptr_size, 0, error);
292 // read the data at 2*ptr_size from the first location
293 count = process_sp->ReadUnsignedIntegerFromMemory(count + 2 * ptr_size,
301 stream.Printf("%" PRIu64 " index%s", count, (count == 1 ? "" : "es"));
305 static void NSNumber_FormatChar(ValueObject &valobj, Stream &stream, char value,
306 lldb::LanguageType lang) {
307 static ConstString g_TypeHint("NSNumber:char");
309 std::string prefix, suffix;
310 if (Language *language = Language::FindPlugin(lang)) {
311 if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
318 stream.Printf("%s%hhd%s", prefix.c_str(), value, suffix.c_str());
321 static void NSNumber_FormatShort(ValueObject &valobj, Stream &stream,
322 short value, lldb::LanguageType lang) {
323 static ConstString g_TypeHint("NSNumber:short");
325 std::string prefix, suffix;
326 if (Language *language = Language::FindPlugin(lang)) {
327 if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
334 stream.Printf("%s%hd%s", prefix.c_str(), value, suffix.c_str());
337 static void NSNumber_FormatInt(ValueObject &valobj, Stream &stream, int value,
338 lldb::LanguageType lang) {
339 static ConstString g_TypeHint("NSNumber:int");
341 std::string prefix, suffix;
342 if (Language *language = Language::FindPlugin(lang)) {
343 if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
350 stream.Printf("%s%d%s", prefix.c_str(), value, suffix.c_str());
353 static void NSNumber_FormatLong(ValueObject &valobj, Stream &stream,
354 uint64_t value, lldb::LanguageType lang) {
355 static ConstString g_TypeHint("NSNumber:long");
357 std::string prefix, suffix;
358 if (Language *language = Language::FindPlugin(lang)) {
359 if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
366 stream.Printf("%s%" PRId64 "%s", prefix.c_str(), value, suffix.c_str());
369 static void NSNumber_FormatInt128(ValueObject &valobj, Stream &stream,
370 const llvm::APInt &value,
371 lldb::LanguageType lang) {
372 static ConstString g_TypeHint("NSNumber:int128_t");
374 std::string prefix, suffix;
375 if (Language *language = Language::FindPlugin(lang)) {
376 if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
383 stream.PutCString(prefix.c_str());
384 const int radix = 10;
385 const bool isSigned = true;
386 std::string str = value.toString(radix, isSigned);
387 stream.PutCString(str.c_str());
388 stream.PutCString(suffix.c_str());
391 static void NSNumber_FormatFloat(ValueObject &valobj, Stream &stream,
392 float value, lldb::LanguageType lang) {
393 static ConstString g_TypeHint("NSNumber:float");
395 std::string prefix, suffix;
396 if (Language *language = Language::FindPlugin(lang)) {
397 if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
404 stream.Printf("%s%f%s", prefix.c_str(), value, suffix.c_str());
407 static void NSNumber_FormatDouble(ValueObject &valobj, Stream &stream,
408 double value, lldb::LanguageType lang) {
409 static ConstString g_TypeHint("NSNumber:double");
411 std::string prefix, suffix;
412 if (Language *language = Language::FindPlugin(lang)) {
413 if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix,
420 stream.Printf("%s%g%s", prefix.c_str(), value, suffix.c_str());
423 bool lldb_private::formatters::NSNumberSummaryProvider(
424 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
425 ProcessSP process_sp = valobj.GetProcessSP();
429 ObjCLanguageRuntime *runtime =
430 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
431 lldb::eLanguageTypeObjC);
436 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
437 runtime->GetClassDescriptor(valobj));
439 if (!descriptor || !descriptor->IsValid())
442 uint32_t ptr_size = process_sp->GetAddressByteSize();
444 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
449 llvm::StringRef class_name(descriptor->GetClassName().GetCString());
451 if (class_name.empty())
454 if (class_name == "__NSCFBoolean")
455 return ObjCBooleanSummaryProvider(valobj, stream, options);
457 if (class_name == "NSDecimalNumber")
458 return NSDecimalNumberSummaryProvider(valobj, stream, options);
460 if (class_name == "NSNumber" || class_name == "__NSCFNumber") {
463 if (descriptor->GetTaggedPointerInfo(&i_bits, &value)) {
466 NSNumber_FormatChar(valobj, stream, (char)value, options.GetLanguage());
470 NSNumber_FormatShort(valobj, stream, (short)value,
471 options.GetLanguage());
475 NSNumber_FormatInt(valobj, stream, (int)value, options.GetLanguage());
479 NSNumber_FormatLong(valobj, stream, value, options.GetLanguage());
488 AppleObjCRuntime *runtime =
489 llvm::dyn_cast_or_null<AppleObjCRuntime>(
490 process_sp->GetObjCLanguageRuntime());
492 const bool new_format =
493 (runtime && runtime->GetFoundationVersion() >= 1400);
495 enum class TypeCodes : int {
505 uint64_t data_location = valobj_addr + 2 * ptr_size;
510 process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size,
516 bool is_preserved_number = cfinfoa & 0x8;
517 if (is_preserved_number) {
518 lldbassert(!static_cast<bool>("We should handle preserved numbers!"));
522 type_code = static_cast<TypeCodes>(cfinfoa & 0x7);
525 process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, 1,
532 case 1: type_code = TypeCodes::sint8; break;
533 case 2: type_code = TypeCodes::sint16; break;
534 case 3: type_code = TypeCodes::sint32; break;
535 case 17: data_location += 8; LLVM_FALLTHROUGH;
536 case 4: type_code = TypeCodes::sint64; break;
537 case 5: type_code = TypeCodes::f32; break;
538 case 6: type_code = TypeCodes::f64; break;
539 default: return false;
544 bool success = false;
546 case TypeCodes::sint8:
547 value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 1, 0,
551 NSNumber_FormatChar(valobj, stream, (char)value, options.GetLanguage());
554 case TypeCodes::sint16:
555 value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 2, 0,
559 NSNumber_FormatShort(valobj, stream, (short)value,
560 options.GetLanguage());
563 case TypeCodes::sint32:
564 value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 4, 0,
568 NSNumber_FormatInt(valobj, stream, (int)value, options.GetLanguage());
571 case TypeCodes::sint64:
572 value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 8, 0,
576 NSNumber_FormatLong(valobj, stream, value, options.GetLanguage());
581 uint32_t flt_as_int = process_sp->ReadUnsignedIntegerFromMemory(
582 data_location, 4, 0, error);
585 float flt_value = 0.0f;
586 memcpy(&flt_value, &flt_as_int, sizeof(flt_as_int));
587 NSNumber_FormatFloat(valobj, stream, flt_value, options.GetLanguage());
593 uint64_t dbl_as_lng = process_sp->ReadUnsignedIntegerFromMemory(
594 data_location, 8, 0, error);
597 double dbl_value = 0.0;
598 memcpy(&dbl_value, &dbl_as_lng, sizeof(dbl_as_lng));
599 NSNumber_FormatDouble(valobj, stream, dbl_value, options.GetLanguage());
603 case TypeCodes::sint128: // internally, this is the same
606 words[1] = process_sp->ReadUnsignedIntegerFromMemory(
607 data_location, 8, 0, error);
610 words[0] = process_sp->ReadUnsignedIntegerFromMemory(
611 data_location + 8, 8, 0, error);
614 llvm::APInt i128_value(128, words);
615 NSNumber_FormatInt128(valobj, stream, i128_value, options.GetLanguage());
627 bool lldb_private::formatters::NSDecimalNumberSummaryProvider(
628 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
629 ProcessSP process_sp = valobj.GetProcessSP();
633 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
634 uint32_t ptr_size = process_sp->GetAddressByteSize();
637 int8_t exponent = process_sp->ReadUnsignedIntegerFromMemory(
638 valobj_addr + ptr_size, 1, 0, error);
642 uint8_t length_and_negative = process_sp->ReadUnsignedIntegerFromMemory(
643 valobj_addr + ptr_size + 1, 1, 0, error);
647 // Fifth bit marks negativity.
648 const bool is_negative = (length_and_negative >> 4) & 1;
650 // Zero length and negative means NaN.
651 uint8_t length = length_and_negative & 0xf;
652 const bool is_nan = is_negative && (length == 0);
655 stream.Printf("NaN");
664 uint64_t mantissa = process_sp->ReadUnsignedIntegerFromMemory(
665 valobj_addr + ptr_size + 4, 8, 0, error);
672 stream.Printf("%" PRIu64 " x 10^%" PRIi8, mantissa, exponent);
676 bool lldb_private::formatters::NSURLSummaryProvider(
677 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
678 ProcessSP process_sp = valobj.GetProcessSP();
682 ObjCLanguageRuntime *runtime =
683 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
684 lldb::eLanguageTypeObjC);
689 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
690 runtime->GetClassDescriptor(valobj));
692 if (!descriptor || !descriptor->IsValid())
695 uint32_t ptr_size = process_sp->GetAddressByteSize();
697 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
702 llvm::StringRef class_name = descriptor->GetClassName().GetStringRef();
704 if (!class_name.equals("NSURL"))
707 uint64_t offset_text = ptr_size + ptr_size +
708 8; // ISA + pointer + 8 bytes of data (even on 32bit)
709 uint64_t offset_base = offset_text + ptr_size;
710 CompilerType type(valobj.GetCompilerType());
711 ValueObjectSP text(valobj.GetSyntheticChildAtOffset(offset_text, type, true));
712 ValueObjectSP base(valobj.GetSyntheticChildAtOffset(offset_base, type, true));
715 if (text->GetValueAsUnsigned(0) == 0)
717 StreamString summary;
718 if (!NSStringSummaryProvider(*text, summary, options))
720 if (base && base->GetValueAsUnsigned(0)) {
721 std::string summary_str = summary.GetString();
723 if (!summary_str.empty())
724 summary_str.pop_back();
725 summary_str += " -- ";
726 StreamString base_summary;
727 if (NSURLSummaryProvider(*base, base_summary, options) &&
728 !base_summary.Empty()) {
729 llvm::StringRef base_str = base_summary.GetString();
730 if (base_str.size() > 2)
731 base_str = base_str.drop_front(2);
732 summary_str += base_str;
735 summary.PutCString(summary_str);
737 if (!summary.Empty()) {
738 stream.PutCString(summary.GetString());
745 /// Bias value for tagged pointer exponents.
746 /// Recommended values:
747 /// 0x3e3: encodes all dates between distantPast and distantFuture
748 /// except for the range within about 1e-28 second of the reference date.
749 /// 0x3ef: encodes all dates for a few million years beyond distantPast and
750 /// distantFuture, except within about 1e-25 second of the reference date.
751 const int TAGGED_DATE_EXPONENT_BIAS = 0x3ef;
755 uint64_t fraction:52; // unsigned
756 uint64_t exponent:11; // signed
764 uint64_t fraction:52; // unsigned
765 uint64_t exponent:7; // signed
767 uint64_t unused:4; // placeholder for pointer tag bits
772 static uint64_t decodeExponent(uint64_t exp) {
773 // Tagged exponent field is 7-bit signed. Sign-extend the value to 64 bits
774 // before performing arithmetic.
775 return llvm::SignExtend64<7>(exp) + TAGGED_DATE_EXPONENT_BIAS;
778 static uint64_t decodeTaggedTimeInterval(uint64_t encodedTimeInterval) {
779 if (encodedTimeInterval == 0)
781 if (encodedTimeInterval == std::numeric_limits<uint64_t>::max())
782 return (uint64_t)-0.0;
784 TaggedDoubleBits encodedBits = {};
785 encodedBits.i = encodedTimeInterval;
786 DoubleBits decodedBits;
788 // Sign and fraction are represented exactly.
789 // Exponent is encoded.
790 assert(encodedBits.unused == 0);
791 decodedBits.sign = encodedBits.sign;
792 decodedBits.fraction = encodedBits.fraction;
793 decodedBits.exponent = decodeExponent(encodedBits.exponent);
795 return decodedBits.d;
798 bool lldb_private::formatters::NSDateSummaryProvider(
799 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
800 ProcessSP process_sp = valobj.GetProcessSP();
804 ObjCLanguageRuntime *runtime =
805 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
806 lldb::eLanguageTypeObjC);
811 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
812 runtime->GetClassDescriptor(valobj));
814 if (!descriptor || !descriptor->IsValid())
817 uint32_t ptr_size = process_sp->GetAddressByteSize();
819 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
824 uint64_t date_value_bits = 0;
825 double date_value = 0.0;
827 ConstString class_name = descriptor->GetClassName();
829 static const ConstString g_NSDate("NSDate");
830 static const ConstString g___NSDate("__NSDate");
831 static const ConstString g___NSTaggedDate("__NSTaggedDate");
832 static const ConstString g_NSCalendarDate("NSCalendarDate");
834 if (class_name.IsEmpty())
837 uint64_t info_bits = 0, value_bits = 0;
838 if ((class_name == g_NSDate) || (class_name == g___NSDate) ||
839 (class_name == g___NSTaggedDate)) {
840 if (descriptor->GetTaggedPointerInfo(&info_bits, &value_bits)) {
841 date_value_bits = ((value_bits << 8) | (info_bits << 4));
842 memcpy(&date_value, &date_value_bits, sizeof(date_value_bits));
845 process_sp->GetTarget().GetArchitecture().GetTriple());
847 (triple.isWatchOS() && triple.isWatchABI()) ? 8 : ptr_size;
849 date_value_bits = process_sp->ReadUnsignedIntegerFromMemory(
850 valobj_addr + delta, 8, 0, error);
851 memcpy(&date_value, &date_value_bits, sizeof(date_value_bits));
855 } else if (class_name == g_NSCalendarDate) {
857 date_value_bits = process_sp->ReadUnsignedIntegerFromMemory(
858 valobj_addr + 2 * ptr_size, 8, 0, error);
859 memcpy(&date_value, &date_value_bits, sizeof(date_value_bits));
865 if (date_value == -63114076800) {
866 stream.Printf("0001-12-30 00:00:00 +0000");
870 // Accomodate for the __NSTaggedDate format introduced in Foundation 1600.
871 if (class_name == g___NSTaggedDate) {
872 auto *runtime = llvm::dyn_cast_or_null<AppleObjCRuntime>(process_sp->GetObjCLanguageRuntime());
873 if (runtime && runtime->GetFoundationVersion() >= 1600)
874 date_value = decodeTaggedTimeInterval(value_bits << 4);
877 // this snippet of code assumes that time_t == seconds since Jan-1-1970 this
878 // is generally true and POSIXly happy, but might break if a library vendor
879 // decides to get creative
880 time_t epoch = GetOSXEpoch();
881 epoch = epoch + (time_t)date_value;
882 tm *tm_date = gmtime(&epoch);
885 std::string buffer(1024, 0);
886 if (strftime(&buffer[0], 1023, "%Z", tm_date) == 0)
888 stream.Printf("%04d-%02d-%02d %02d:%02d:%02d %s", tm_date->tm_year + 1900,
889 tm_date->tm_mon + 1, tm_date->tm_mday, tm_date->tm_hour,
890 tm_date->tm_min, tm_date->tm_sec, buffer.c_str());
894 bool lldb_private::formatters::ObjCClassSummaryProvider(
895 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
896 ProcessSP process_sp = valobj.GetProcessSP();
900 ObjCLanguageRuntime *runtime =
901 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
902 lldb::eLanguageTypeObjC);
907 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
908 runtime->GetClassDescriptorFromISA(valobj.GetValueAsUnsigned(0)));
910 if (!descriptor || !descriptor->IsValid())
913 ConstString class_name = descriptor->GetClassName();
915 if (class_name.IsEmpty())
919 Mangled(class_name).GetDemangledName(lldb::eLanguageTypeUnknown))
922 stream.Printf("%s", class_name.AsCString("<unknown class>"));
926 class ObjCClassSyntheticChildrenFrontEnd : public SyntheticChildrenFrontEnd {
928 ObjCClassSyntheticChildrenFrontEnd(lldb::ValueObjectSP valobj_sp)
929 : SyntheticChildrenFrontEnd(*valobj_sp) {}
931 ~ObjCClassSyntheticChildrenFrontEnd() override = default;
933 size_t CalculateNumChildren() override { return 0; }
935 lldb::ValueObjectSP GetChildAtIndex(size_t idx) override {
936 return lldb::ValueObjectSP();
939 bool Update() override { return false; }
941 bool MightHaveChildren() override { return false; }
943 size_t GetIndexOfChildWithName(const ConstString &name) override {
948 SyntheticChildrenFrontEnd *
949 lldb_private::formatters::ObjCClassSyntheticFrontEndCreator(
950 CXXSyntheticChildren *, lldb::ValueObjectSP valobj_sp) {
951 return new ObjCClassSyntheticChildrenFrontEnd(valobj_sp);
954 template <bool needs_at>
955 bool lldb_private::formatters::NSDataSummaryProvider(
956 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
957 ProcessSP process_sp = valobj.GetProcessSP();
961 ObjCLanguageRuntime *runtime =
962 (ObjCLanguageRuntime *)process_sp->GetLanguageRuntime(
963 lldb::eLanguageTypeObjC);
968 ObjCLanguageRuntime::ClassDescriptorSP descriptor(
969 runtime->GetClassDescriptor(valobj));
971 if (!descriptor || !descriptor->IsValid())
974 bool is_64bit = (process_sp->GetAddressByteSize() == 8);
975 lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
982 llvm::StringRef class_name = descriptor->GetClassName().GetCString();
984 if (class_name.empty())
987 bool isNSConcreteData = class_name == "NSConcreteData";
988 bool isNSConcreteMutableData = class_name == "NSConcreteMutableData";
989 bool isNSCFData = class_name == "__NSCFData";
990 if (isNSConcreteData || isNSConcreteMutableData || isNSCFData) {
992 if (isNSConcreteData)
993 offset = is_64bit ? 8 : 4;
995 offset = is_64bit ? 16 : 8;
998 value = process_sp->ReadUnsignedIntegerFromMemory(
999 valobj_addr + offset, is_64bit ? 8 : 4, 0, error);
1002 } else if (class_name == "_NSInlineData") {
1003 uint32_t offset = (is_64bit ? 8 : 4);
1005 value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + offset, 2,
1009 } else if (class_name == "_NSZeroData") {
1014 stream.Printf("%s%" PRIu64 " byte%s%s", (needs_at ? "@\"" : ""), value,
1015 (value != 1 ? "s" : ""), (needs_at ? "\"" : ""));
1020 bool lldb_private::formatters::ObjCBOOLSummaryProvider(
1021 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
1022 const uint32_t type_info = valobj.GetCompilerType().GetTypeInfo();
1024 ValueObjectSP real_guy_sp = valobj.GetSP();
1026 if (type_info & eTypeIsPointer) {
1028 real_guy_sp = valobj.Dereference(err);
1029 if (err.Fail() || !real_guy_sp)
1031 } else if (type_info & eTypeIsReference) {
1032 real_guy_sp = valobj.GetChildAtIndex(0, true);
1036 uint8_t value = (real_guy_sp->GetValueAsUnsigned(0) & 0xFF);
1039 stream.Printf("NO");
1042 stream.Printf("YES");
1045 stream.Printf("%u", value);
1051 bool lldb_private::formatters::ObjCBooleanSummaryProvider(
1052 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
1053 lldb::addr_t valobj_ptr_value =
1054 valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
1055 if (valobj_ptr_value == LLDB_INVALID_ADDRESS)
1058 ProcessSP process_sp(valobj.GetProcessSP());
1062 if (AppleObjCRuntime *objc_runtime =
1063 (AppleObjCRuntime *)process_sp->GetObjCLanguageRuntime()) {
1064 lldb::addr_t cf_true = LLDB_INVALID_ADDRESS,
1065 cf_false = LLDB_INVALID_ADDRESS;
1066 objc_runtime->GetValuesForGlobalCFBooleans(cf_true, cf_false);
1067 if (valobj_ptr_value == cf_true) {
1068 stream.PutCString("YES");
1071 if (valobj_ptr_value == cf_false) {
1072 stream.PutCString("NO");
1080 template <bool is_sel_ptr>
1081 bool lldb_private::formatters::ObjCSELSummaryProvider(
1082 ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
1083 lldb::ValueObjectSP valobj_sp;
1085 CompilerType charstar(valobj.GetCompilerType()
1086 .GetBasicTypeFromAST(eBasicTypeChar)
1092 ExecutionContext exe_ctx(valobj.GetExecutionContextRef());
1095 lldb::addr_t data_address = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
1096 if (data_address == LLDB_INVALID_ADDRESS)
1098 valobj_sp = ValueObject::CreateValueObjectFromAddress("text", data_address,
1103 valobj.GetData(data, error);
1107 ValueObject::CreateValueObjectFromData("text", data, exe_ctx, charstar);
1113 stream.Printf("%s", valobj_sp->GetSummaryAsCString());
1117 // POSIX has an epoch on Jan-1-1970, but Cocoa prefers Jan-1-2001
1118 // this call gives the POSIX equivalent of the Cocoa epoch
1119 time_t lldb_private::formatters::GetOSXEpoch() {
1120 static time_t epoch = 0;
1125 tm_epoch.tm_sec = 0;
1126 tm_epoch.tm_hour = 0;
1127 tm_epoch.tm_min = 0;
1128 tm_epoch.tm_mon = 0;
1129 tm_epoch.tm_mday = 1;
1130 tm_epoch.tm_year = 2001 - 1900;
1131 tm_epoch.tm_isdst = -1;
1132 tm_epoch.tm_gmtoff = 0;
1133 tm_epoch.tm_zone = nullptr;
1134 epoch = timegm(&tm_epoch);
1140 template bool lldb_private::formatters::NSDataSummaryProvider<true>(
1141 ValueObject &, Stream &, const TypeSummaryOptions &);
1143 template bool lldb_private::formatters::NSDataSummaryProvider<false>(
1144 ValueObject &, Stream &, const TypeSummaryOptions &);
1146 template bool lldb_private::formatters::ObjCSELSummaryProvider<true>(
1147 ValueObject &, Stream &, const TypeSummaryOptions &);
1149 template bool lldb_private::formatters::ObjCSELSummaryProvider<false>(
1150 ValueObject &, Stream &, const TypeSummaryOptions &);