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::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;
}
