message: Add support for basetypes without any type information
diff: @@ -4689,17 +4689,24 @@ void VulkanHppGenerator::readBaseType( tinyxml2::XMLElement const *
  TypeData typeData;
  std::tie( nameData, typeData ) = readNameAndType( element );
  - check( beginsWith( nameData.name, "Vk" ), line, "name <" + nameData.name + "> does not begin with <Vk>" );
  check( nameData.arraySizes.empty(), line, "name <" + nameData.name + "> with unsupported arraySizes" );
  check( nameData.bitCount.empty(),
  line,
  "name <" + nameData.name + "> with unsupported bitCount <" + nameData.bitCount + ">" );
  - check( typeData.prefix == "typedef", line, "unexpected type prefix <" + typeData.prefix + ">" );
  + check( typeData.type.empty() || ( typeData.prefix == "typedef" ),
  + line,
  + "unexpected type prefix <" + typeData.prefix + ">" );
  + check( typeData.prefix.empty() || ( typeData.prefix == "typedef" ),
  + line,
  + "unexpected type prefix <" + typeData.prefix + ">" );
  check( typeData.postfix.empty(), line, "unexpected type postfix <" + typeData.postfix + ">" );
  + if ( !typeData.type.empty() )
  + {
  check( m_baseTypes.insert( std::make_pair( nameData.name, BaseTypeData( typeData.type, line ) ) ).second,
  line,
  "basetype <" + nameData.name + "> already specified" );
  + }
  check( m_types.insert( std::make_pair( nameData.name, TypeCategory::BaseType ) ).second,
  line,
  "basetype <" + nameData.name + "> already specified as a type" );
  @@ -5669,6 +5676,9 @@ void VulkanHppGenerator::readExtensionRequireType( tinyxml2::XMLElement const *
  {
  switch ( typeIt->second )
  {
  + case TypeCategory::BaseType:
  + // no need to protect a base type
  + break;
  case TypeCategory::Bitmask:
  {
  auto bitmaskIt = m_bitmasks.find( name );
  @@ -5896,7 +5906,7 @@ std::pair<VulkanHppGenerator::NameData, VulkanHppGenerator::TypeData>
  {
  int line = element->GetLineNum();
  std::vector<tinyxml2::XMLElement const *> children = getChildElements( element );
  - checkElements( line, children, { { "name", true }, { "type", true } } );
  + checkElements( line, children, { { "name", true } }, { { "type" } } );
  NameData nameData;
  TypeData typeData;
  