public boolean getIsSimple() {
   boolean result = false;
   if (type instanceof StdIntegerType) {
     result =
         (((StdIntegerType) type).getType()
             != datascript.antlr.DataScriptParserTokenTypes.UINT64);
   } else if (type instanceof BitFieldType) {
     BitFieldType bitField = (BitFieldType) type;
     result = 0 < bitField.getLength() && bitField.getLength() < 64;
   }
   return result;
 }
 public long getMaxVal() {
   if (type instanceof SignedBitFieldType) {
     BitFieldType bitField = (BitFieldType) type;
     return (1 << bitField.getLength() - 1) - 1;
   }
   if (type instanceof BitFieldType) {
     BitFieldType bitField = (BitFieldType) type;
     return (1 << bitField.getLength()) - 1;
   }
   if (type instanceof StdIntegerType) {
     StdIntegerType integerType = (StdIntegerType) type;
     return integerType.getUpperBound().longValue();
   }
   throw new RuntimeException("type of field '" + param.getName() + "' is not a simple type");
 }
 protected String getTypeName(BitFieldType t) {
   int length = t.getLength();
   if (length < 64) return "INT";
   else return "BLOB";
 }