Пример #1
0
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);
  }
}