bool
lldb_private::formatters::swift::SwiftMetatype_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
lldb::addr_t metadata_ptr = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
if (metadata_ptr == LLDB_INVALID_ADDRESS || metadata_ptr == 0)
{
CompilerType compiler_metatype_type(valobj.GetCompilerType());
CompilerType instancetype(compiler_metatype_type.GetInstanceType());
const char* ptr = instancetype.GetDisplayTypeName().AsCString(nullptr);
if (ptr && *ptr)
{
stream.Printf("%s", ptr);
return true;
}
}
else
{
auto swift_runtime = valobj.GetProcessSP()->GetSwiftLanguageRuntime();
if (!swift_runtime)
return false;
SwiftLanguageRuntime::MetadataPromiseSP metadata_promise_sp = swift_runtime->GetMetadataPromise(metadata_ptr);
if (CompilerType resolved_type = metadata_promise_sp->FulfillTypePromise())
{
stream.Printf("%s", resolved_type.GetDisplayTypeName().AsCString());
return true;
}
}
return false;
}
std::vector<ConstString>
ObjCLanguage::GetPossibleFormattersMatches (ValueObject& valobj, lldb::DynamicValueType use_dynamic)
{
std::vector<ConstString> result;
if (use_dynamic == lldb::eNoDynamicValues)
return result;
CompilerType compiler_type(valobj.GetCompilerType());
const bool check_cpp = false;
const bool check_objc = true;
bool canBeObjCDynamic = compiler_type.IsPossibleDynamicType(nullptr, check_cpp, check_objc);
if (canBeObjCDynamic)
{
do {
lldb::ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
break;
ObjCLanguageRuntime* runtime = process_sp->GetObjCLanguageRuntime();
if (runtime == nullptr)
break;
ObjCLanguageRuntime::ClassDescriptorSP objc_class_sp (runtime->GetClassDescriptor(valobj));
if (!objc_class_sp)
break;
if (ConstString name = objc_class_sp->GetClassName())
result.push_back(name);
} while (false);
}
return result;
}
bool
lldb_private::formatters::Char32StringSummaryProvider (ValueObject& valobj, Stream& stream)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
ReadUTFBufferAndDumpToStreamOptions<UTF32> options;
options.SetLocation(valobj_addr);
options.SetConversionFunction(ConvertUTF32toUTF8);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('U');
if (!ReadUTFBufferAndDumpToStream(options))
{
stream.Printf("Summary Unavailable");
return true;
}
return true;
}
bool
lldb_private::formatters::swift::ObjC_Selector_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
static ConstString g_ptr("ptr");
static ConstString g__rawValue("_rawValue");
ValueObjectSP ptr_sp(valobj.GetChildAtNamePath({ g_ptr, g__rawValue }));
if (!ptr_sp)
return false;
auto ptr_value = ptr_sp->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
if (0 == ptr_value || LLDB_INVALID_ADDRESS == ptr_value)
return false;
StringPrinter::ReadStringAndDumpToStreamOptions read_options;
read_options.SetLocation(ptr_value)
.SetProcessSP(valobj.GetProcessSP())
.SetStream(&stream)
.SetQuote('"')
.SetNeedsZeroTermination(true)
.SetLanguage(lldb::eLanguageTypeSwift);
return StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::ASCII>(read_options);
}
bool
lldb_private::formatters::swift::Metadata_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
ProcessSP process_sp(valobj.GetProcessSP());
if (!process_sp)
return false;
SwiftLanguageRuntime *runtime(process_sp->GetSwiftLanguageRuntime());
if (!runtime)
return false;
SwiftLanguageRuntime::MetadataSP metadata_sp(runtime->GetMetadataForLocation(valobj.GetValueAsUnsigned(0)));
if (!metadata_sp)
return false;
if (SwiftLanguageRuntime::NominalTypeMetadata *nominal_type_metadata = llvm::dyn_cast<SwiftLanguageRuntime::NominalTypeMetadata>(metadata_sp.get()))
{
stream.Printf("typename=%s",nominal_type_metadata->GetMangledName().c_str());
Mangled mangled( ConstString(nominal_type_metadata->GetMangledName().c_str()) );
ConstString demangled = mangled.GetDemangledName(lldb::eLanguageTypeSwift);
if (demangled)
stream.Printf(" --> %s", demangled.GetCString());
return true;
}
if (SwiftLanguageRuntime::TupleMetadata *tuple_metadata = llvm::dyn_cast<SwiftLanguageRuntime::TupleMetadata>(metadata_sp.get()))
{
stream.Printf("tuple with %zu items",tuple_metadata->GetNumElements());
return true;
}
// what about other types? not sure
return false;
}
bool
lldb_private::formatters::ObjCClassSummaryProvider (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->GetClassDescriptorFromISA(valobj.GetValueAsUnsigned(0)));
if (!descriptor.get() || !descriptor->IsValid())
return false;
const char* class_name = descriptor->GetClassName().GetCString();
if (!class_name || !*class_name)
return false;
stream.Printf("%s",class_name);
return true;
}
bool
lldb_private::formatters::ObjCClassSummaryProvider (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->GetClassDescriptorFromISA(valobj.GetValueAsUnsigned(0)));
if (!descriptor || !descriptor->IsValid())
return false;
ConstString class_name = descriptor->GetClassName();
if (class_name.IsEmpty())
return false;
if (ConstString cs = Mangled(class_name).GetDemangledName(lldb::eLanguageTypeUnknown))
class_name = cs;
stream.Printf("%s",class_name.AsCString("<unknown class>"));
return true;
}
bool
lldb_private::formatters::Char32StringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(valobj_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('U');
if (!ReadStringAndDumpToStream<StringElementType::UTF32>(options))
{
stream.Printf("Summary Unavailable");
return true;
}
return true;
}
bool
AppleObjCRuntime::GetObjectDescription (Stream &str, ValueObject &valobj)
{
CompilerType compiler_type(valobj.GetCompilerType());
bool is_signed;
// ObjC objects can only be pointers (or numbers that actually represents pointers
// but haven't been typecast, because reasons..)
if (!compiler_type.IsIntegerType (is_signed) && !compiler_type.IsPointerType ())
return false;
// Make the argument list: we pass one arg, the address of our pointer, to the print function.
Value val;
if (!valobj.ResolveValue(val.GetScalar()))
return false;
// Value Objects may not have a process in their ExecutionContextRef. But we need to have one
// in the ref we pass down to eventually call description. Get it from the target if it isn't
// present.
ExecutionContext exe_ctx;
if (valobj.GetProcessSP())
{
exe_ctx = ExecutionContext(valobj.GetExecutionContextRef());
}
else
{
exe_ctx.SetContext(valobj.GetTargetSP(), true);
if (!exe_ctx.HasProcessScope())
return false;
}
return GetObjectDescription(str, val, exe_ctx.GetBestExecutionContextScope());
}
bool
lldb_private::formatters::Char32StringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
lldb::addr_t valobj_addr = GetArrayAddressOrPointerValue(valobj);
if (valobj_addr == 0 || valobj_addr == LLDB_INVALID_ADDRESS)
return false;
StringPrinter::ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(valobj_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken("U");
if (!StringPrinter::ReadStringAndDumpToStream<StringPrinter::StringElementType::UTF32>(options))
{
stream.Printf("Summary Unavailable");
return true;
}
return true;
}
bool
lldb_private::formatters::NSNumberSummaryProvider (ValueObject& valobj, Stream& stream)
{
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,"NSNumber") || !strcmp(class_name,"__NSCFNumber"))
{
if (descriptor->IsTagged())
{
// we have a call to get info and value bits in the tagged descriptor. but we prefer not to cast and replicate them
int64_t value = (valobj_addr & ~0x0000000000000000FFL) >> 8;
uint64_t i_bits = (valobj_addr & 0xF0) >> 4;
switch (i_bits)
{
case 0:
stream.Printf("(char)%hhd",(char)value);
break;
case 4:
stream.Printf("(short)%hd",(short)value);
break;
case 8:
stream.Printf("(int)%d",(int)value);
break;
case 12:
stream.Printf("(long)%" PRId64,value);
break;
default:
stream.Printf("unexpected value:(info=%" PRIu64 ", value=%" PRIu64,i_bits,value);
break;
}
return true;
}
else
{
bool
lldb_private::formatters::NSError_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
ProcessSP process_sp(valobj.GetProcessSP());
if (!process_sp)
return false;
lldb::addr_t ptr_value = LLDB_INVALID_ADDRESS;
CompilerType valobj_type(valobj.GetCompilerType());
Flags type_flags(valobj_type.GetTypeInfo());
if (type_flags.AllClear(eTypeHasValue))
{
if (valobj.IsBaseClass() && valobj.GetParent())
ptr_value = valobj.GetParent()->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
}
else
ptr_value = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
if (ptr_value == LLDB_INVALID_ADDRESS)
return false;
size_t ptr_size = process_sp->GetAddressByteSize();
lldb::addr_t code_location = ptr_value + 2 * ptr_size;
lldb::addr_t domain_location = ptr_value + 3 * ptr_size;
Error error;
uint64_t code = process_sp->ReadUnsignedIntegerFromMemory(code_location, ptr_size, 0, error);
if (error.Fail())
return false;
lldb::addr_t domain_str_value = process_sp->ReadPointerFromMemory(domain_location, error);
if (error.Fail() || domain_str_value == LLDB_INVALID_ADDRESS)
return false;
if (!domain_str_value)
{
stream.Printf("domain: nil - code: %" PRIu64, code);
return true;
}
InferiorSizedWord isw(domain_str_value, *process_sp);
ValueObjectSP domain_str_sp = ValueObject::CreateValueObjectFromData("domain_str", isw.GetAsData(process_sp->GetByteOrder()), valobj.GetExecutionContextRef(), process_sp->GetTarget().GetScratchClangASTContext()->GetBasicType(lldb::eBasicTypeVoid).GetPointerType());
if (!domain_str_sp)
return false;
StreamString domain_str_summary;
if (NSStringSummaryProvider(*domain_str_sp, domain_str_summary, options) && !domain_str_summary.Empty())
{
stream.Printf("domain: %s - code: %" PRIu64, domain_str_summary.GetData(), code);
return true;
}
else
{
stream.Printf("domain: nil - code: %" PRIu64, code);
return true;
}
}
AppleObjCRuntimeV1::ClassDescriptorV1::ClassDescriptorV1 (ValueObject &isa_pointer)
{
ObjCISA ptr_value = isa_pointer.GetValueAsUnsigned(0);
lldb::ProcessSP process_sp = isa_pointer.GetProcessSP();
Initialize (ptr_value,process_sp);
}
bool
lldb_private::formatters::NSDataSummaryProvider (ValueObject& valobj, Stream& stream)
{
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;
bool is_64bit = (process_sp->GetAddressByteSize() == 8);
lldb::addr_t valobj_addr = valobj.GetValueAsUnsigned(0);
if (!valobj_addr)
return false;
uint64_t value = 0;
const char* class_name = descriptor->GetClassName().GetCString();
if (!class_name || !*class_name)
return false;
if (!strcmp(class_name,"NSConcreteData") ||
!strcmp(class_name,"NSConcreteMutableData") ||
!strcmp(class_name,"__NSCFData"))
{
uint32_t offset = (is_64bit ? 16 : 8);
Error error;
value = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr + offset, is_64bit ? 8 : 4, 0, error);
if (error.Fail())
return false;
}
else
{
if (!ExtractValueFromObjCExpression(valobj, "int", "length", value))
return false;
}
stream.Printf("%s%" PRIu64 " byte%s%s",
(needs_at ? "@\"" : ""),
value,
(value > 1 ? "s" : ""),
(needs_at ? "\"" : ""));
return true;
}
std::unique_ptr<SwiftHashedContainerBufferHandler>
SwiftHashedContainerBufferHandler::CreateBufferHandlerForNativeStorageOwner (ValueObject &valobj,
lldb::addr_t storage_ptr,
bool fail_on_no_children,
NativeCreatorFunction Native)
{
#if 0
static ConstString g_Native("native");
static ConstString g_nativeStorage("nativeStorage");
static ConstString g_buffer("buffer");
Error error;
ProcessSP process_sp(valobj.GetProcessSP());
if (!process_sp)
return nullptr;
ValueObjectSP native_sp(valobj.GetChildAtNamePath( {g_Native, g_nativeStorage, g_buffer} ));
if (!native_sp)
{
if (fail_on_no_children)
return nullptr;
else
{
lldb::addr_t native_storage_ptr = storage_ptr + (3 * process_sp->GetAddressByteSize());
native_storage_ptr = process_sp->ReadPointerFromMemory(native_storage_ptr, error);
// (AnyObject,AnyObject)?
SwiftASTContext *swift_ast_ctx = process_sp->GetTarget().GetScratchSwiftASTContext(error);
if (swift_ast_ctx)
{
CompilerType element_type(swift_ast_ctx->GetTypeFromMangledTypename("_TtGSqTPs9AnyObject_PS____", error));
auto handler = std::unique_ptr<SwiftHashedContainerBufferHandler>(Native(valobj, native_storage_ptr, element_type));
if (handler && handler->IsValid())
return handler;
}
return nullptr;
}
}
CompilerType child_type(native_sp->GetCompilerType());
lldb::TemplateArgumentKind kind;
CompilerType element_type(child_type.GetTemplateArgument(1, kind));
if (element_type.IsValid() == false || kind != lldb::eTemplateArgumentKindType)
return nullptr;
lldb::addr_t native_storage_ptr = process_sp->ReadPointerFromMemory(storage_ptr + 2*process_sp->GetAddressByteSize(), error);
if (error.Fail() || native_storage_ptr == LLDB_INVALID_ADDRESS)
return nullptr;
auto handler = std::unique_ptr<SwiftHashedContainerBufferHandler>(Native(valobj, native_storage_ptr, element_type));
if (handler && handler->IsValid())
return handler;
#endif
return nullptr;
}
bool lldb_private::formatters::GoStringSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &opts) {
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
if (valobj.IsPointerType()) {
Error err;
ValueObjectSP deref = valobj.Dereference(err);
if (!err.Success())
return false;
return GoStringSummaryProvider(*deref, stream, opts);
}
ConstString str_name("str");
ConstString len_name("len");
ValueObjectSP data_sp = valobj.GetChildMemberWithName(str_name, true);
ValueObjectSP len_sp = valobj.GetChildMemberWithName(len_name, true);
if (!data_sp || !len_sp)
return false;
bool success;
lldb::addr_t valobj_addr = data_sp->GetValueAsUnsigned(0, &success);
if (!success)
return false;
uint64_t length = len_sp->GetValueAsUnsigned(0);
if (length == 0) {
stream.Printf("\"\"");
return true;
}
StringPrinter::ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(valobj_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetSourceSize(length);
options.SetNeedsZeroTermination(false);
options.SetLanguage(eLanguageTypeGo);
if (!StringPrinter::ReadStringAndDumpToStream<
StringPrinter::StringElementType::UTF8>(options)) {
stream.Printf("Summary Unavailable");
return true;
}
return true;
}
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::NSMachPortSummaryProvider (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;
uint64_t port_number = 0;
do
{
if (!strcmp(class_name,"NSMachPort"))
{
uint64_t offset = (ptr_size == 4 ? 12 : 20);
Error error;
port_number = process_sp->ReadUnsignedIntegerFromMemory(offset+valobj_addr, 4, 0, error);
if (error.Success())
break;
}
if (!ExtractValueFromObjCExpression(valobj, "int", "machPort", port_number))
return false;
} while (false);
stream.Printf("mach port: %u",(uint32_t)(port_number & 0x00000000FFFFFFFF));
return true;
}
bool lldb_private::formatters::JavaStringSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &opts) {
if (valobj.IsPointerOrReferenceType()) {
Error error;
ValueObjectSP deref = valobj.Dereference(error);
if (error.Fail())
return false;
return JavaStringSummaryProvider(*deref, stream, opts);
}
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
ConstString data_name("value");
ConstString length_name("count");
ValueObjectSP length_sp = valobj.GetChildMemberWithName(length_name, true);
ValueObjectSP data_sp = valobj.GetChildMemberWithName(data_name, true);
if (!data_sp || !length_sp)
return false;
bool success = false;
uint64_t length = length_sp->GetValueAsUnsigned(0, &success);
if (!success)
return false;
if (length == 0) {
stream.Printf("\"\"");
return true;
}
lldb::addr_t valobj_addr = data_sp->GetAddressOf();
StringPrinter::ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(valobj_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetSourceSize(length);
options.SetNeedsZeroTermination(false);
options.SetLanguage(eLanguageTypeJava);
if (StringPrinter::ReadStringAndDumpToStream<
StringPrinter::StringElementType::UTF16>(options))
return true;
stream.Printf("Summary Unavailable");
return true;
}
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::NSBundleSummaryProvider (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,"NSBundle"))
{
uint64_t offset = 5 * ptr_size;
ValueObjectSP text(valobj.GetSyntheticChildAtOffset(offset, valobj.GetCompilerType().GetBasicTypeFromAST(lldb::eBasicTypeObjCID), 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*", "bundlePath", stream);
}
bool
lldb_private::formatters::NSBundleSummaryProvider (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,"NSBundle"))
{
uint64_t offset = 5 * ptr_size;
ValueObjectSP text(valobj.GetSyntheticChildAtOffset(offset, valobj.GetCompilerType().GetBasicTypeFromAST(lldb::eBasicTypeObjCID), true));
StreamString summary_stream;
bool was_nsstring_ok = NSStringSummaryProvider(*text, summary_stream, options);
if (was_nsstring_ok && summary_stream.GetSize() > 0)
{
stream.Printf("%s",summary_stream.GetData());
return true;
}
}
return false;
}
bool
lldb_private::formatters::WCharStringSummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions&)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
lldb::addr_t data_addr = 0;
if (valobj.IsPointerType())
data_addr = valobj.GetValueAsUnsigned(0);
else if (valobj.IsArrayType())
data_addr = valobj.GetAddressOf();
if (data_addr == 0 || data_addr == LLDB_INVALID_ADDRESS)
return false;
clang::ASTContext* ast = valobj.GetClangType().GetASTContext();
if (!ast)
return false;
ClangASTType wchar_clang_type = ClangASTContext::GetBasicType(ast, lldb::eBasicTypeWChar);
const uint32_t wchar_size = wchar_clang_type.GetBitSize(nullptr); // Safe to pass NULL for exe_scope here
ReadStringAndDumpToStreamOptions options(valobj);
options.SetLocation(data_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('L');
switch (wchar_size)
{
case 8:
return ReadStringAndDumpToStream<StringElementType::UTF8>(options);
case 16:
return ReadStringAndDumpToStream<StringElementType::UTF16>(options);
case 32:
return ReadStringAndDumpToStream<StringElementType::UTF32>(options);
default:
stream.Printf("size for wchar_t is not valid");
return true;
}
return true;
}
bool lldb_private::formatters::WCharStringSummaryProvider(
ValueObject &valobj, Stream &stream, const TypeSummaryOptions &) {
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
lldb::addr_t valobj_addr = GetArrayAddressOrPointerValue(valobj);
if (valobj_addr == 0 || valobj_addr == LLDB_INVALID_ADDRESS)
return false;
// Get a wchar_t basic type from the current type system
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);
options.SetLocation(valobj_addr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
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;
}
bool
lldb_private::formatters::swift::NSContiguousString_SummaryProvider (ValueObject& valobj, Stream& stream, const TypeSummaryOptions& options)
{
static ConstString g_StringCoreType("_TtVs11_StringCore");
lldb::addr_t core_location = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
if (core_location == LLDB_INVALID_ADDRESS)
return false;
ProcessSP process_sp(valobj.GetProcessSP());
if (!process_sp)
return false;
size_t ptr_size = process_sp->GetAddressByteSize();
core_location += 2*ptr_size;
Error error;
InferiorSizedWord isw_1(process_sp->ReadPointerFromMemory(core_location, error),*process_sp);
InferiorSizedWord isw_2(process_sp->ReadPointerFromMemory(core_location+ptr_size, error),*process_sp);
InferiorSizedWord isw_3(process_sp->ReadPointerFromMemory(core_location+ptr_size+ptr_size, error),*process_sp);
DataBufferSP buffer_sp(new DataBufferHeap(3*ptr_size, 0));
uint8_t* buffer = buffer_sp->GetBytes();
buffer = isw_1.CopyToBuffer(buffer);
buffer = isw_2.CopyToBuffer(buffer);
buffer = isw_3.CopyToBuffer(buffer);
DataExtractor data(buffer_sp, process_sp->GetByteOrder(), ptr_size);
SwiftASTContext* lldb_swift_ast = process_sp->GetTarget().GetScratchSwiftASTContext(error);
if (!lldb_swift_ast)
return false;
CompilerType string_core_type = lldb_swift_ast->GetTypeFromMangledTypename(g_StringCoreType.GetCString(), error);
if (string_core_type.IsValid() == false)
return false;
ValueObjectSP string_core_sp = ValueObject::CreateValueObjectFromData("stringcore", data, valobj.GetExecutionContextRef(), string_core_type);
if (string_core_sp)
return StringCore_SummaryProvider(*string_core_sp, stream, options);
return false;
}
static lldb::addr_t DerefToNSErrorPointer(ValueObject &valobj) {
CompilerType valobj_type(valobj.GetCompilerType());
Flags type_flags(valobj_type.GetTypeInfo());
if (type_flags.AllClear(eTypeHasValue)) {
if (valobj.IsBaseClass() && valobj.GetParent())
return valobj.GetParent()->GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
} else {
lldb::addr_t ptr_value = valobj.GetValueAsUnsigned(LLDB_INVALID_ADDRESS);
if (type_flags.AllSet(eTypeIsPointer)) {
CompilerType pointee_type(valobj_type.GetPointeeType());
Flags pointee_flags(pointee_type.GetTypeInfo());
if (pointee_flags.AllSet(eTypeIsPointer)) {
if (ProcessSP process_sp = valobj.GetProcessSP()) {
Status error;
ptr_value = process_sp->ReadPointerFromMemory(ptr_value, error);
}
}
}
return ptr_value;
}
return LLDB_INVALID_ADDRESS;
}
bool
lldb_private::formatters::CFBagSummaryProvider (ValueObject& valobj, Stream& stream)
{
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());
if (process_sp->GetTarget().EvaluateExpression(expr.GetData(), frame_sp.get(), count_sp) != eExecutionCompleted)
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;
}
stream.Printf("@\"%u value%s\"",
count,(count == 1 ? "" : "s"));
return true;
}
bool
lldb_private::formatters::CFBitVectorSummaryProvider (ValueObject& valobj, Stream& stream)
{
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("__CFMutableBitVector") || type_name == ConstString("__CFBitVector") || type_name == ConstString("CFMutableBitVectorRef") || type_name == ConstString("CFBitVectorRef"))
{
if (valobj.IsPointerType())
is_type_ok = true;
}
}
if (is_type_ok == false)
return false;
Error error;
count = process_sp->ReadUnsignedIntegerFromMemory(valobj_addr+2*ptr_size, ptr_size, 0, error);
if (error.Fail())
return false;
uint64_t num_bytes = count / 8 + ((count & 7) ? 1 : 0);
addr_t data_ptr = process_sp->ReadPointerFromMemory(valobj_addr+2*ptr_size+2*ptr_size, error);
if (error.Fail())
return false;
// make sure we do not try to read huge amounts of data
if (num_bytes > 1024)
num_bytes = 1024;
DataBufferSP buffer_sp(new DataBufferHeap(num_bytes,0));
num_bytes = process_sp->ReadMemory(data_ptr, buffer_sp->GetBytes(), num_bytes, error);
if (error.Fail() || num_bytes == 0)
return false;
uint8_t *bytes = buffer_sp->GetBytes();
for (uint64_t byte_idx = 0; byte_idx < num_bytes-1; byte_idx++)
{
uint8_t byte = bytes[byte_idx];
bool bit0 = (byte & 1) == 1;
bool bit1 = (byte & 2) == 2;
bool bit2 = (byte & 4) == 4;
bool bit3 = (byte & 8) == 8;
bool bit4 = (byte & 16) == 16;
bool bit5 = (byte & 32) == 32;
bool bit6 = (byte & 64) == 64;
bool bit7 = (byte & 128) == 128;
stream.Printf("%c%c%c%c %c%c%c%c ",
(bit7 ? '1' : '0'),
(bit6 ? '1' : '0'),
(bit5 ? '1' : '0'),
(bit4 ? '1' : '0'),
(bit3 ? '1' : '0'),
(bit2 ? '1' : '0'),
(bit1 ? '1' : '0'),
(bit0 ? '1' : '0'));
count -= 8;
}
{
// print the last byte ensuring we do not print spurious bits
uint8_t byte = bytes[num_bytes-1];
bool bit0 = (byte & 1) == 1;
bool bit1 = (byte & 2) == 2;
bool bit2 = (byte & 4) == 4;
bool bit3 = (byte & 8) == 8;
bool bit4 = (byte & 16) == 16;
bool bit5 = (byte & 32) == 32;
bool bit6 = (byte & 64) == 64;
bool bit7 = (byte & 128) == 128;
if (count)
{
stream.Printf("%c",bit7 ? '1' : '0');
count -= 1;
}
if (count)
{
stream.Printf("%c",bit6 ? '1' : '0');
count -= 1;
}
if (count)
{
stream.Printf("%c",bit5 ? '1' : '0');
count -= 1;
}
if (count)
{
stream.Printf("%c",bit4 ? '1' : '0');
count -= 1;
}
if (count)
{
stream.Printf("%c",bit3 ? '1' : '0');
count -= 1;
}
if (count)
{
stream.Printf("%c",bit2 ? '1' : '0');
count -= 1;
}
if (count)
{
stream.Printf("%c",bit1 ? '1' : '0');
count -= 1;
}
if (count)
stream.Printf("%c",bit0 ? '1' : '0');
}
return true;
}
bool
lldb_private::formatters::WCharStringSummaryProvider (ValueObject& valobj, Stream& stream)
{
ProcessSP process_sp = valobj.GetProcessSP();
if (!process_sp)
return false;
lldb::addr_t data_addr = 0;
if (valobj.IsPointerType())
data_addr = valobj.GetValueAsUnsigned(0);
else if (valobj.IsArrayType())
data_addr = valobj.GetAddressOf();
if (data_addr == 0 || data_addr == LLDB_INVALID_ADDRESS)
return false;
clang::ASTContext* ast = valobj.GetClangType().GetASTContext();
if (!ast)
return false;
ClangASTType wchar_clang_type = ClangASTContext::GetBasicType(ast, lldb::eBasicTypeWChar);
const uint32_t wchar_size = wchar_clang_type.GetBitSize();
switch (wchar_size)
{
case 8:
{
// utf 8
ReadUTFBufferAndDumpToStreamOptions<UTF8> options;
options.SetLocation(data_addr);
options.SetConversionFunction(nullptr);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('L');
return ReadUTFBufferAndDumpToStream(options);
}
case 16:
{
// utf 16
ReadUTFBufferAndDumpToStreamOptions<UTF16> options;
options.SetLocation(data_addr);
options.SetConversionFunction(ConvertUTF16toUTF8);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('L');
return ReadUTFBufferAndDumpToStream(options);
}
case 32:
{
// utf 32
ReadUTFBufferAndDumpToStreamOptions<UTF32> options;
options.SetLocation(data_addr);
options.SetConversionFunction(ConvertUTF32toUTF8);
options.SetProcessSP(process_sp);
options.SetStream(&stream);
options.SetPrefixToken('L');
return ReadUTFBufferAndDumpToStream(options);
}
default:
stream.Printf("size for wchar_t is not valid");
return true;
}
return true;
}
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;
}
