bool
lldb_private::formatters::swift::StaticString_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& summary_options, StringPrinter::ReadStringAndDumpToStreamOptions read_options)
{
static ConstString g__startPtrOrData("_startPtrOrData");
static ConstString g__byteSize("_utf8CodeUnitCount");
static ConstString g__flags("_flags");
ValueObjectSP flags_sp(valobj.GetChildMemberWithName(g__flags, true));
if (!flags_sp)
return false;
ProcessSP process_sp(valobj.GetProcessSP());
if (!process_sp)
return false;
// 0 == pointer representation
InferiorSizedWord flags(flags_sp->GetValueAsUnsigned(0), *process_sp);
if (0 != (flags & 0x1).GetValue())
return false;
ValueObjectSP startptr_sp(valobj.GetChildMemberWithName(g__startPtrOrData, true));
ValueObjectSP bytesize_sp(valobj.GetChildMemberWithName(g__byteSize, true));
if (!startptr_sp || !bytesize_sp)
return false;
lldb::addr_t start_ptr = startptr_sp->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
uint64_t size = bytesize_sp->GetValueAsUnsigned(0);
if (start_ptr == LLDB_INVALID_ADDRESS || start_ptr == 0)
return false;
if (size == 0)
{
stream.Printf("\"\"");
return true;
}
read_options.SetProcessSP(process_sp);
read_options.SetLocation(start_ptr);
read_options.SetSourceSize(size);
read_options.SetBinaryZeroIsTerminator(false);
read_options.SetNeedsZeroTermination(false);
read_options.SetStream(&stream);
read_options.SetIgnoreMaxLength(summary_options.GetCapping() == lldb::eTypeSummaryUncapped);
read_options.SetLanguage(lldb::eLanguageTypeSwift);
return StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF8>(read_options);
}
bool
lldb_private::formatters::NSNotificationSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
if (!descriptor.get() || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
const char* class_name = descriptor->GetClassName().GetCString();
if (!class_name || !*class_name)
return false;
if (!strcmp(class_name,"NSConcreteNotification"))
{
uint64_t offset = ptr_size;
ValueObjectSP text(valobj.GetSyntheticChildAtOffset(offset, valobj.GetCompilerType(), true));
StreamString summary_stream;
bool was_nsstring_ok = NSStringSummaryProvider(*text.get(), summary_stream, options);
if (was_nsstring_ok && summary_stream.GetSize() > 0)
{
stream.Printf("%s",summary_stream.GetData());
return true;
}
}
// this is either an unknown subclass or an NSBundle that comes from [NSBundle mainBundle]
// which is encoded differently and needs to be handled by running code
return ExtractSummaryFromObjCExpression(valobj, "NSString*", "name", stream, options.GetLanguage());
}
bool
lldb_private::formatters::NSTimeZoneSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
if (!descriptor.get() || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
const char* class_name = descriptor->GetClassName().GetCString();
if (!class_name || !*class_name)
return false;
if (!strcmp(class_name,"__NSTimeZone"))
{
uint64_t offset = ptr_size;
ValueObjectSP text(valobj.GetSyntheticChildAtOffset(offset, valobj.GetCompilerType(), true));
StreamString summary_stream;
bool was_nsstring_ok = NSStringSummaryProvider(*text.get(), summary_stream, options);
if (was_nsstring_ok && summary_stream.GetSize() > 0)
{
stream.Printf("%s",summary_stream.GetData());
return true;
}
}
return ExtractSummaryFromObjCExpression(valobj, "NSString*", "name", stream, options.GetLanguage());
}
bool lldb_private::formatters::LibStdcppStringSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
const bool scalar_is_load_addr = true;
AddressType addr_type;
lldb::addr_t addr_of_string =
valobj.GetAddressOf(scalar_is_load_addr, &addr_type);
if (addr_of_string != LLDB_INVALID_ADDRESS) {
switch (addr_type) {
case eAddressTypeLoad: {
ProcessSP process_sp(valobj.GetProcessSP());
if (!process_sp)
return false;
StringPrinter::ReadStringAndDumpToStreamOptions options(valobj);
Error error;
lldb::addr_t addr_of_data =
process_sp->ReadPointerFromMemory(addr_of_string, error);
if (error.Fail() || addr_of_data == 0 ||
addr_of_data == LLDB_INVALID_ADDRESS)
return false;
options.SetLocation(addr_of_data);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetNeedsZeroTermination(false);
options.SetBinaryZeroIsTerminator(true);
lldb::addr_t size_of_data = process_sp->ReadPointerFromMemory(
addr_of_string + process_sp->GetAddressByteSize(), error);
if (error.Fail())
return false;
options.SetSourceSize(size_of_data);
if (!StringPrinter::ReadStringAndDumpToStream<
StringPrinter::StringElementType::UTF8>(options)) {
stream.Printf("Summary Unavailable");
return true;
} else
return true;
} break;
case eAddressTypeHost:
break;
case eAddressTypeInvalid:
case eAddressTypeFile:
break;
}
}
return false;
}
bool
lldb_private::formatters::CFBagSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
static ConstString g_TypeHint("CFBag");
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
if (!descriptor.get() || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
uint32_t count = 0;
bool is_type_ok = false; // check to see if this is a CFBag we know about
if (descriptor->IsCFType())
{
ConstString type_name(valobj.GetTypeName());
static ConstString g___CFBag("__CFBag");
static ConstString g_conststruct__CFBag("const struct __CFBag");
if (type_name == g___CFBag ||
type_name == g_conststruct__CFBag)
{
if (valobj.IsPointerType())
is_type_ok = true;
}
}
if (is_type_ok)
{
lldb::addr_t offset = 2*ptr_size+4 + valobj_addr;
Error error;
count = process_sp->ReadUnsignedIntegerFromMemory(offset, 4, 0, error);
if (error.Fail())
return false;
}
else
return false;
std::string prefix,suffix;
if (Language* language = Language::FindPlugin(options.GetLanguage()))
{
if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix, suffix))
{
prefix.clear();
suffix.clear();
}
}
stream.Printf("%s\"%u value%s\"%s",
prefix.c_str(),
count,(count == 1 ? "" : "s"),
suffix.c_str());
return true;
}
bool
lldb_private::formatters::swift::StringCore_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& summary_options, StringPrinter::ReadStringAndDumpToStreamOptions read_options)
{
static ConstString g_some("some");
static ConstString g__baseAddress("_baseAddress");
static ConstString g__countAndFlags("_countAndFlags");
static ConstString g_value("_value");
static ConstString g__rawValue("_rawValue");
ProcessSP process_sp(valobj.GetProcessSP());
if (!process_sp)
return false;
ValueObjectSP baseAddress_sp(valobj.GetChildAtNamePath({ g__baseAddress, g_some, g__rawValue }));
ValueObjectSP _countAndFlags_sp(valobj.GetChildAtNamePath({ g__countAndFlags, g_value }));
if (!_countAndFlags_sp)
return false;
lldb::addr_t baseAddress = baseAddress_sp ? baseAddress_sp->GetValueAsUnsigned(LLDB_INVALID_ADDRESS) : 0;
InferiorSizedWord _countAndFlags = InferiorSizedWord(_countAndFlags_sp->GetValueAsUnsigned(0),*process_sp.get());
if (baseAddress == LLDB_INVALID_ADDRESS)
return false;
bool hasCocoaBuffer = (_countAndFlags << 1).IsNegative();
if (baseAddress == 0)
{
if (hasCocoaBuffer)
{
static ConstString g__owner("_owner");
static ConstString g_Some("some");
static ConstString g_instance_type("instance_type");
ValueObjectSP dyn_inst_type0(valobj.GetChildAtNamePath({g__owner,g_Some,g_instance_type}));
if (!dyn_inst_type0)
return false;
lldb::addr_t dyn_inst_type0_ptr = dyn_inst_type0->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
if (dyn_inst_type0_ptr == 0 || dyn_inst_type0_ptr == LLDB_INVALID_ADDRESS)
return false;
InferiorSizedWord dataAddress_isw = InferiorSizedWord(dyn_inst_type0_ptr, *process_sp.get());
DataExtractor id_ptr = dataAddress_isw.GetAsData(process_sp->GetByteOrder());
CompilerType id_type = process_sp->GetTarget().GetScratchClangASTContext()->GetBasicType(lldb::eBasicTypeObjCID);
if (!id_type)
return false;
ValueObjectSP nsstringhere_sp = ValueObject::CreateValueObjectFromData("nsstringhere", id_ptr, valobj.GetExecutionContextRef(), id_type);
if (nsstringhere_sp)
return NSStringSummaryProvider(*nsstringhere_sp.get(), stream, summary_options);
return false;
}
else
{
stream.Printf("\"\"");
return true;
}
}
const InferiorSizedWord _countMask = InferiorSizedWord::GetMaximum(*process_sp.get()) >> 2;
uint64_t count = (_countAndFlags & _countMask).GetValue();
bool isASCII = ((_countAndFlags >> (_countMask.GetBitSize() - 1)).SignExtend() << 8).IsZero();
if (count == 0)
{
stream.Printf("\"\"");
return true;
}
read_options.SetLocation(baseAddress);
read_options.SetProcessSP(process_sp);
read_options.SetStream(&stream);
read_options.SetSourceSize(count);
read_options.SetNeedsZeroTermination(false);
read_options.SetIgnoreMaxLength(summary_options.GetCapping() == lldb::eTypeSummaryUncapped);
read_options.SetBinaryZeroIsTerminator(false);
read_options.SetLanguage(summary_options.GetLanguage());
if (summary_options.GetLanguage() == lldb::eLanguageTypeObjC) read_options.SetPrefixToken("@");
if (isASCII)
return StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF8>(read_options);
else
return StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF16>(read_options);
}
bool
lldb_private::formatters::NSStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& summary_options)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
if (!descriptor.get() || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
const char* class_name = descriptor->GetClassName().GetCString();
if (!class_name || !*class_name)
return false;
bool is_tagged_ptr = (0 == strcmp(class_name,"NSTaggedPointerString")) && descriptor->GetTaggedPointerInfo();
// for a tagged pointer, the descriptor has everything we need
if (is_tagged_ptr)
return NSTaggedString_SummaryProvider(descriptor, stream);
// if not a tagged pointer that we know about, try the normal route
uint64_t info_bits_location = valobj_addr + ptr_size;
if (process_sp->GetByteOrder() != lldb::eByteOrderLittle)
info_bits_location += 3;
Error error;
uint8_t info_bits = process_sp->ReadUnsignedIntegerFromMemory(info_bits_location, 1, 0, error);
if (error.Fail())
return false;
bool is_mutable = (info_bits & 1) == 1;
bool is_inline = (info_bits & 0x60) == 0;
bool has_explicit_length = (info_bits & (1 | 4)) != 4;
bool is_unicode = (info_bits & 0x10) == 0x10;
bool is_path_store = strcmp(class_name,"NSPathStore2") == 0;
bool has_null = (info_bits & 8) == 8;
size_t explicit_length = 0;
if (!has_null && has_explicit_length && !is_path_store)
{
lldb::addr_t explicit_length_offset = 2*ptr_size;
if (is_mutable && !is_inline)
explicit_length_offset = explicit_length_offset + ptr_size; // notInlineMutable.length;
else if (is_inline)
explicit_length = explicit_length + 0; // inline1.length;
else if (!is_inline && !is_mutable)
explicit_length_offset = explicit_length_offset + ptr_size; // notInlineImmutable1.length;
else
explicit_length_offset = 0;
if (explicit_length_offset)
{
explicit_length_offset = valobj_addr + explicit_length_offset;
explicit_length = process_sp->ReadUnsignedIntegerFromMemory(explicit_length_offset, 4, 0, error);
}
}
if (strcmp(class_name,"NSString") &&
strcmp(class_name,"CFStringRef") &&
strcmp(class_name,"CFMutableStringRef") &&
strcmp(class_name,"__NSCFConstantString") &&
strcmp(class_name,"__NSCFString") &&
strcmp(class_name,"NSCFConstantString") &&
strcmp(class_name,"NSCFString") &&
strcmp(class_name,"NSPathStore2"))
{
// not one of us - but tell me class name
stream.Printf("class name = %s",class_name);
return true;
}
if (is_mutable)
{
uint64_t location = 2 * ptr_size + valobj_addr;
location = process_sp->ReadPointerFromMemory(location, error);
if (error.Fail())
return false;
if (has_explicit_length && is_unicode)
{
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetQuote('"');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(false);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(false);
return ReadStringAndDumpToStream<StringElementType::UTF16>(options);
}
else
{
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location+1);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(false);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(false);
return ReadStringAndDumpToStream<StringElementType::ASCII>(options);
}
}
else if (is_inline && has_explicit_length && !is_unicode && !is_path_store && !is_mutable)
{
uint64_t location = 3 * ptr_size + valobj_addr;
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetQuote('"');
options.SetSourceSize(explicit_length);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
return ReadStringAndDumpToStream<StringElementType::ASCII> (options);
}
else if (is_unicode)
{
uint64_t location = valobj_addr + 2*ptr_size;
if (is_inline)
{
if (!has_explicit_length)
{
stream.Printf("found new combo");
return true;
}
else
location += ptr_size;
}
else
{
location = process_sp->ReadPointerFromMemory(location, error);
if (error.Fail())
return false;
}
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetQuote('"');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(has_explicit_length == false);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(has_explicit_length == false);
return ReadStringAndDumpToStream<StringElementType::UTF16> (options);
}
else if (is_path_store)
{
ProcessStructReader reader(valobj.GetProcessSP().get(), valobj.GetValueAsUnsigned(0), GetNSPathStore2Type(*valobj.GetTargetSP()));
explicit_length = reader.GetField<uint32_t>(ConstString("lengthAndRef")) >> 20;
lldb::addr_t location = valobj.GetValueAsUnsigned(0) + ptr_size + 4;
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetQuote('"');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(has_explicit_length == false);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(has_explicit_length == false);
return ReadStringAndDumpToStream<StringElementType::UTF16> (options);
}
else if (is_inline)
{
uint64_t location = valobj_addr + 2*ptr_size;
if (!has_explicit_length)
{
// in this kind of string, the byte before the string content is a length byte
// so let's try and use it to handle the embedded NUL case
Error error;
explicit_length = process_sp->ReadUnsignedIntegerFromMemory(location, 1, 0, error);
if (error.Fail() || explicit_length == 0)
has_explicit_length = false;
else
has_explicit_length = true;
location++;
}
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('@');
options.SetSourceSize(explicit_length);
options.SetNeedsZeroTermination(!has_explicit_length);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
options.SetBinaryZeroIsTerminator(!has_explicit_length);
if (has_explicit_length)
return ReadStringAndDumpToStream<StringElementType::UTF8>(options);
else
return ReadStringAndDumpToStream<StringElementType::ASCII>(options);
}
else
{
uint64_t location = valobj_addr + 2*ptr_size;
location = process_sp->ReadPointerFromMemory(location, error);
if (error.Fail())
return false;
if (has_explicit_length && !has_null)
explicit_length++; // account for the fact that there is no NULL and we need to have one added
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(location);
options.SetProcessSP(process_sp);
options.SetPrefixToken('@');
options.SetStream(&stream);
options.SetSourceSize(explicit_length);
options.SetIgnoreMaxLength(summary_options.GetCapping() == TypeSummaryCapping::eTypeSummaryUncapped);
return ReadStringAndDumpToStream<StringElementType::ASCII>(options);
}
}
bool
lldb_private::formatters::NSSetSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
static ConstString g_TypeHint("NSSet");
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
if (!descriptor || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
bool is_64bit = (ptr_size == 8);
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
uint64_t value = 0;
ConstString class_name_cs = descriptor->GetClassName();
const char* class_name = class_name_cs.GetCString();
if (!class_name || !*class_name)
return false;
if (!strcmp(class_name,"__NSSetI"))
{
Error error;
value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error);
if (error.Fail())
return false;
value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U);
}
else if (!strcmp(class_name,"__NSSetM"))
{
Error error;
value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error);
if (error.Fail())
return false;
value &= (is_64bit ? ~0xFC00000000000000UL : ~0xFC000000U);
}
/*else if (!strcmp(class_name,"__NSCFSet"))
{
Error error;
value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + (is_64bit ? 20 : 12), 4, 0, error);
if (error.Fail())
return false;
if (is_64bit)
value &= ~0x1fff000000000000UL;
}
else if (!strcmp(class_name,"NSCountedSet"))
{
Error error;
value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, ptr_size, 0, error);
if (error.Fail())
return false;
value = process_sp->ReadUnsignedIntegerFromMemory(value + (is_64bit ? 20 : 12), 4, 0, error);
if (error.Fail())
return false;
if (is_64bit)
value &= ~0x1fff000000000000UL;
}*/
else
{
auto& map(NSSet_Additionals::GetAdditionalSummaries());
auto iter = map.find(class_name_cs), end = map.end();
if (iter != end)
return iter->second(valobj, stream, options);
else
return false;
}
std::string prefix,suffix;
if (Language* language = Language::FindPlugin(options.GetLanguage()))
{
if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix, suffix))
{
prefix.clear();
suffix.clear();
}
}
stream.Printf("%s%" PRIu64 " %s%s%s",
prefix.c_str(),
value,
"element",
value == 1 ? "" : "s",
suffix.c_str());
return true;
}
bool
lldb_private::formatters::NSNumberSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
if (!descriptor || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
const char* class_name = descriptor->GetClassName().GetCString();
if (!class_name || !*class_name)
return false;
if (!strcmp(class_name,"NSNumber") || !strcmp(class_name,"__NSCFNumber"))
{
uint64_t value = 0;
uint64_t i_bits = 0;
if (descriptor->GetTaggedPointerInfo(&i_bits,&value))
{
switch (i_bits)
{
case 0:
NSNumber_FormatChar(valobj, stream, (char)value, options.GetLanguage());
break;
case 1:
case 4:
NSNumber_FormatShort(valobj, stream, (short)value, options.GetLanguage());
break;
case 2:
case 8:
NSNumber_FormatInt(valobj, stream, (int)value, options.GetLanguage());
break;
case 3:
case 12:
NSNumber_FormatLong(valobj, stream, value, options.GetLanguage());
break;
default:
return false;
}
return true;
}
else
{
Error error;
uint8_t data_type = (process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + ptr_size, 1, 0, error) & 0x1F);
uint64_t data_location = valobj_addr + 2*ptr_size;
uint64_t value = 0;
if (error.Fail())
return false;
switch (data_type)
{
case 1: // 0B00001
value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 1, 0, error);
if (error.Fail())
return false;
NSNumber_FormatChar(valobj, stream, (char)value, options.GetLanguage());
break;
case 2: // 0B0010
value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 2, 0, error);
if (error.Fail())
return false;
NSNumber_FormatShort(valobj, stream, (short)value, options.GetLanguage());
break;
case 3: // 0B0011
value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 4, 0, error);
if (error.Fail())
return false;
NSNumber_FormatInt(valobj, stream, (int)value, options.GetLanguage());
break;
case 17: // 0B10001
data_location += 8;
LLVM_FALLTHROUGH;
case 4: // 0B0100
value = process_sp->ReadUnsignedIntegerFromMemory(data_location, 8, 0, error);
if (error.Fail())
return false;
NSNumber_FormatLong(valobj, stream, value, options.GetLanguage());
break;
case 5: // 0B0101
{
uint32_t flt_as_int = process_sp->ReadUnsignedIntegerFromMemory(data_location, 4, 0, error);
if (error.Fail())
return false;
float flt_value = 0.0f;
memcpy(&flt_value, &flt_as_int, sizeof(flt_as_int));
NSNumber_FormatFloat(valobj, stream, flt_value, options.GetLanguage());
break;
}
case 6: // 0B0110
{
uint64_t dbl_as_lng = process_sp->ReadUnsignedIntegerFromMemory(data_location, 8, 0, error);
if (error.Fail())
return false;
double dbl_value = 0.0;
memcpy(&dbl_value, &dbl_as_lng, sizeof(dbl_as_lng));
NSNumber_FormatDouble(valobj, stream, dbl_value, options.GetLanguage());
break;
}
default:
return false;
}
return true;
}
}
return false;
}
bool
lldb_private::formatters::NSURLSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
if (!descriptor.get() || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
const char* class_name = descriptor->GetClassName().GetCString();
if (!class_name || !*class_name)
return false;
if (strcmp(class_name, "NSURL") == 0)
{
uint64_t offset_text = ptr_size + ptr_size + 8; // ISA + pointer + 8 bytes of data (even on 32bit)
uint64_t offset_base = offset_text + ptr_size;
CompilerType type(valobj.GetCompilerType());
ValueObjectSP text(valobj.GetSyntheticChildAtOffset(offset_text, type, true));
ValueObjectSP base(valobj.GetSyntheticChildAtOffset(offset_base, type, true));
if (!text)
return false;
if (text->GetValueAsUnsigned(0) == 0)
return false;
StreamString summary;
if (!NSStringSummaryProvider(*text, summary, options))
return false;
if (base && base->GetValueAsUnsigned(0))
{
if (summary.GetSize() > 0)
summary.GetString().resize(summary.GetSize()-1);
summary.Printf(" -- ");
StreamString base_summary;
if (NSURLSummaryProvider(*base, base_summary, options) && base_summary.GetSize() > 0)
summary.Printf("%s",base_summary.GetSize() > 2 ? base_summary.GetData() + 2 : base_summary.GetData());
}
if (summary.GetSize())
{
stream.Printf("%s",summary.GetData());
return true;
}
}
else
{
return ExtractSummaryFromObjCExpression(valobj, "NSString*", "description", stream, options.GetLanguage());
}
return false;
}
bool
lldb_private::formatters::CFBagSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
static ConstString g_TypeHint("CFBag");
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ObjCLanguageRuntime* runtime = (ObjCLanguageRuntime*)process_sp->GetLanguageRuntime(lldb::eLanguageTypeObjC);
if (!runtime)
return false;
ObjCLanguageRuntime::ClassDescriptorSP descriptor(runtime->GetClassDescriptor(valobj));
if (!descriptor.get() || !descriptor->IsValid())
return false;
uint32_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
uint32_t count = 0;
bool is_type_ok = false; // check to see if this is a CFBag we know about
if (descriptor->IsCFType())
{
ConstString type_name(valobj.GetTypeName());
if (type_name == ConstString("__CFBag") || type_name == ConstString("const struct __CFBag"))
{
if (valobj.IsPointerType())
is_type_ok = true;
}
}
if (is_type_ok == false)
{
StackFrameSP frame_sp(valobj.GetFrameSP());
if (!frame_sp)
return false;
ValueObjectSP count_sp;
StreamString expr;
expr.Printf("(int)CFBagGetCount((void*)0x%" PRIx64 ")",valobj.GetPointerValue());
EvaluateExpressionOptions options;
options.SetResultIsInternal(true);
if (process_sp->GetTarget().EvaluateExpression(expr.GetData(), frame_sp.get(), count_sp, options) != eExpressionCompleted)
return false;
if (!count_sp)
return false;
count = count_sp->GetValueAsUnsigned(0);
}
else
{
uint32_t offset = 2*ptr_size+4 + valobj_addr;
Error error;
count = process_sp->ReadUnsignedIntegerFromMemory(offset, 4, 0, error);
if (error.Fail())
return false;
}
std::string prefix,suffix;
if (Language* language = Language::FindPlugin(options.GetLanguage()))
{
if (!language->GetFormatterPrefixSuffix(valobj, g_TypeHint, prefix, suffix))
{
prefix.clear();
suffix.clear();
}
}
stream.Printf("%s\"%u value%s\"%s",
prefix.c_str(),
count,(count == 1 ? "" : "s"),
suffix.c_str());
return true;
}
bool lldb_private::formatters::LibStdcppWStringSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &options) {
const bool scalar_is_load_addr = true;
AddressType addr_type;
lldb::addr_t addr_of_string =
valobj.GetAddressOf(scalar_is_load_addr, &addr_type);
if (addr_of_string != LLDB_INVALID_ADDRESS) {
switch (addr_type) {
case eAddressTypeLoad: {
ProcessSP process_sp(valobj.GetProcessSP());
if (!process_sp)
return false;
CompilerType wchar_compiler_type =
valobj.GetCompilerType().GetBasicTypeFromAST(lldb::eBasicTypeWChar);
if (!wchar_compiler_type)
return false;
const uint32_t wchar_size = wchar_compiler_type.GetBitSize(
nullptr); // Safe to pass NULL for exe_scope here
StringPrinter::ReadStringAndDumpToStreamOptions options(valobj);
Error error;
lldb::addr_t addr_of_data =
process_sp->ReadPointerFromMemory(addr_of_string, error);
if (error.Fail() || addr_of_data == 0 ||
addr_of_data == LLDB_INVALID_ADDRESS)
return false;
options.SetLocation(addr_of_data);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetNeedsZeroTermination(false);
options.SetBinaryZeroIsTerminator(false);
lldb::addr_t size_of_data = process_sp->ReadPointerFromMemory(
addr_of_string + process_sp->GetAddressByteSize(), error);
if (error.Fail())
return false;
options.SetSourceSize(size_of_data);
options.SetPrefixToken("L");
switch (wchar_size) {
case 8:
return StringPrinter::ReadStringAndDumpToStream<
StringPrinter::StringElementType::UTF8>(options);
case 16:
return StringPrinter::ReadStringAndDumpToStream<
StringPrinter::StringElementType::UTF16>(options);
case 32:
return StringPrinter::ReadStringAndDumpToStream<
StringPrinter::StringElementType::UTF32>(options);
default:
stream.Printf("size for wchar_t is not valid");
return true;
}
return true;
} break;
case eAddressTypeHost:
break;
case eAddressTypeInvalid:
case eAddressTypeFile:
break;
}
}
return false;
}
