C++ Dictionary::GetValueForKeyAsString方法代码示例

ThreadSP OperatingSystemPython::CreateThreadFromThreadInfo(
    StructuredData::Dictionary &thread_dict, ThreadList &core_thread_list,
    ThreadList &old_thread_list, std::vector<bool> &core_used_map,
    bool *did_create_ptr) {
  ThreadSP thread_sp;
  tid_t tid = LLDB_INVALID_THREAD_ID;
  if (!thread_dict.GetValueForKeyAsInteger("tid", tid))
    return ThreadSP();

  uint32_t core_number;
  addr_t reg_data_addr;
  llvm::StringRef name;
  llvm::StringRef queue;

  thread_dict.GetValueForKeyAsInteger("core", core_number, UINT32_MAX);
  thread_dict.GetValueForKeyAsInteger("register_data_addr", reg_data_addr,
                                      LLDB_INVALID_ADDRESS);
  thread_dict.GetValueForKeyAsString("name", name);
  thread_dict.GetValueForKeyAsString("queue", queue);

  // See if a thread already exists for "tid"
  thread_sp = old_thread_list.FindThreadByID(tid, false);
  if (thread_sp) {
    // A thread already does exist for "tid", make sure it was an operating
    // system
    // plug-in generated thread.
    if (!IsOperatingSystemPluginThread(thread_sp)) {
      // We have thread ID overlap between the protocol threads and the
      // operating system threads, clear the thread so we create an operating
      // system thread for this.
      thread_sp.reset();
    }
  }

  if (!thread_sp) {
    if (did_create_ptr)
      *did_create_ptr = true;
    thread_sp = std::make_shared<ThreadMemory>(*m_process, tid, name, queue,
                                               reg_data_addr);
  }

  if (core_number < core_thread_list.GetSize(false)) {
    ThreadSP core_thread_sp(
        core_thread_list.GetThreadAtIndex(core_number, false));
    if (core_thread_sp) {
      // Keep track of which cores were set as the backing thread for memory
      // threads...
      if (core_number < core_used_map.size())
        core_used_map[core_number] = true;

      ThreadSP backing_core_thread_sp(core_thread_sp->GetBackingThread());
      if (backing_core_thread_sp) {
        thread_sp->SetBackingThread(backing_core_thread_sp);
      } else {
        thread_sp->SetBackingThread(core_thread_sp);
      }
    }
  }
  return thread_sp;
}

std::unique_ptr<ThreadSpec> ThreadSpec::CreateFromStructuredData(
    const StructuredData::Dictionary &spec_dict, Status &error) {
  uint32_t index = UINT32_MAX;
  lldb::tid_t tid = LLDB_INVALID_THREAD_ID;
  llvm::StringRef name;
  llvm::StringRef queue_name;

  std::unique_ptr<ThreadSpec> thread_spec_up(new ThreadSpec());
  bool success = spec_dict.GetValueForKeyAsInteger(
      GetKey(OptionNames::ThreadIndex), index);
  if (success)
    thread_spec_up->SetIndex(index);

  success =
      spec_dict.GetValueForKeyAsInteger(GetKey(OptionNames::ThreadID), tid);
  if (success)
    thread_spec_up->SetTID(tid);

  success =
      spec_dict.GetValueForKeyAsString(GetKey(OptionNames::ThreadName), name);
  if (success)
    thread_spec_up->SetName(name);

  success = spec_dict.GetValueForKeyAsString(GetKey(OptionNames::ThreadName),
                                             queue_name);
  if (success)
    thread_spec_up->SetQueueName(queue_name);

  return thread_spec_up;
}

GDBRemoteCommunication::PacketResult
GDBRemoteCommunicationServerCommon::Handle_jModulesInfo(
    StringExtractorGDBRemote &packet) {
  packet.SetFilePos(::strlen("jModulesInfo:"));

  StructuredData::ObjectSP object_sp = StructuredData::ParseJSON(packet.Peek());
  if (!object_sp)
    return SendErrorResponse(1);

  StructuredData::Array *packet_array = object_sp->GetAsArray();
  if (!packet_array)
    return SendErrorResponse(2);

  JSONArray::SP response_array_sp = std::make_shared<JSONArray>();
  for (size_t i = 0; i < packet_array->GetSize(); ++i) {
    StructuredData::Dictionary *query =
        packet_array->GetItemAtIndex(i)->GetAsDictionary();
    if (!query)
      continue;
    std::string file, triple;
    if (!query->GetValueForKeyAsString("file", file) ||
        !query->GetValueForKeyAsString("triple", triple))
      continue;

    ModuleSpec matched_module_spec = GetModuleInfo(file, triple);
    if (!matched_module_spec.GetFileSpec())
      continue;

    const auto file_offset = matched_module_spec.GetObjectOffset();
    const auto file_size = matched_module_spec.GetObjectSize();
    const auto uuid_str = matched_module_spec.GetUUID().GetAsString("");

    if (uuid_str.empty())
      continue;

    JSONObject::SP response = std::make_shared<JSONObject>();
    response_array_sp->AppendObject(response);
    response->SetObject("uuid", std::make_shared<JSONString>(uuid_str));
    response->SetObject(
        "triple",
        std::make_shared<JSONString>(
            matched_module_spec.GetArchitecture().GetTriple().getTriple()));
    response->SetObject("file_path",
                        std::make_shared<JSONString>(
                            matched_module_spec.GetFileSpec().GetPath()));
    response->SetObject("file_offset",
                        std::make_shared<JSONNumber>(file_offset));
    response->SetObject("file_size", std::make_shared<JSONNumber>(file_size));
  }

  StreamString response;
  response_array_sp->Write(response);
  StreamGDBRemote escaped_response;
  escaped_response.PutEscapedBytes(response.GetData(), response.GetSize());
  return SendPacketNoLock(escaped_response.GetString());
}

SearchFilterSP SearchFilter::CreateFromStructuredData(
    Target &target, const StructuredData::Dictionary &filter_dict,
    Status &error) {
  SearchFilterSP result_sp;
  if (!filter_dict.IsValid()) {
    error.SetErrorString("Can't deserialize from an invalid data object.");
    return result_sp;
  }

  llvm::StringRef subclass_name;

  bool success = filter_dict.GetValueForKeyAsString(
      GetSerializationSubclassKey(), subclass_name);
  if (!success) {
    error.SetErrorStringWithFormat("Filter data missing subclass key");
    return result_sp;
  }

  FilterTy filter_type = NameToFilterTy(subclass_name);
  if (filter_type == UnknownFilter) {
    error.SetErrorStringWithFormatv("Unknown filter type: {0}.", subclass_name);
    return result_sp;
  }

  StructuredData::Dictionary *subclass_options = nullptr;
  success = filter_dict.GetValueForKeyAsDictionary(
      GetSerializationSubclassOptionsKey(), subclass_options);
  if (!success || !subclass_options || !subclass_options->IsValid()) {
    error.SetErrorString("Filter data missing subclass options key.");
    return result_sp;
  }

  switch (filter_type) {
  case Unconstrained:
    result_sp = SearchFilterForUnconstrainedSearches::CreateFromStructuredData(
        target, *subclass_options, error);
    break;
  case ByModule:
    result_sp = SearchFilterByModule::CreateFromStructuredData(
        target, *subclass_options, error);
    break;
  case ByModules:
    result_sp = SearchFilterByModuleList::CreateFromStructuredData(
        target, *subclass_options, error);
    break;
  case ByModulesAndCU:
    result_sp = SearchFilterByModuleListAndCU::CreateFromStructuredData(
        target, *subclass_options, error);
    break;
  case Exception:
    error.SetErrorString("Can't serialize exception breakpoints yet.");
    break;
  default:
    llvm_unreachable("Should never get an uresolvable filter type.");
  }

  return result_sp;
}

BreakpointResolverSP BreakpointResolver::CreateFromStructuredData(
    const StructuredData::Dictionary &resolver_dict, Status &error) {
  BreakpointResolverSP result_sp;
  if (!resolver_dict.IsValid()) {
    error.SetErrorString("Can't deserialize from an invalid data object.");
    return result_sp;
  }

  llvm::StringRef subclass_name;

  bool success = resolver_dict.GetValueForKeyAsString(
      GetSerializationSubclassKey(), subclass_name);

  if (!success) {
    error.SetErrorStringWithFormat(
        "Resolver data missing subclass resolver key");
    return result_sp;
  }

  ResolverTy resolver_type = NameToResolverTy(subclass_name);
  if (resolver_type == UnknownResolver) {
    error.SetErrorStringWithFormatv("Unknown resolver type: {0}.",
                                    subclass_name);
    return result_sp;
  }

  StructuredData::Dictionary *subclass_options = nullptr;
  success = resolver_dict.GetValueForKeyAsDictionary(
      GetSerializationSubclassOptionsKey(), subclass_options);
  if (!success || !subclass_options || !subclass_options->IsValid()) {
    error.SetErrorString("Resolver data missing subclass options key.");
    return result_sp;
  }

  lldb::addr_t offset;
  success = subclass_options->GetValueForKeyAsInteger(
      GetKey(OptionNames::Offset), offset);
  if (!success) {
    error.SetErrorString("Resolver data missing offset options key.");
    return result_sp;
  }

  BreakpointResolver *resolver;

  switch (resolver_type) {
  case FileLineResolver:
    resolver = BreakpointResolverFileLine::CreateFromStructuredData(
        nullptr, *subclass_options, error);
    break;
  case AddressResolver:
    resolver = BreakpointResolverAddress::CreateFromStructuredData(
        nullptr, *subclass_options, error);
    break;
  case NameResolver:
    resolver = BreakpointResolverName::CreateFromStructuredData(
        nullptr, *subclass_options, error);
    break;
  case FileRegexResolver:
    resolver = BreakpointResolverFileRegex::CreateFromStructuredData(
        nullptr, *subclass_options, error);
    break;
  case PythonResolver:
    resolver = BreakpointResolverScripted::CreateFromStructuredData(
        nullptr, *subclass_options, error);
    break;
  case ExceptionResolver:
    error.SetErrorString("Exception resolvers are hard.");
    break;
  default:
    llvm_unreachable("Should never get an unresolvable resolver type.");
  }

  if (!error.Success()) {
    return result_sp;
  } else {
    // Add on the global offset option:
    resolver->SetOffset(offset);
    return BreakpointResolverSP(resolver);
  }
}