Support for assembler data types

Elemental assembler data types are mapped to field converter classes in the com.ibm.jzos.fields package. The IBM® JZOS Toolkitprovides field converter classes for mapping byte array fields into Java data types.

  • DS C items are mapped to StringField. The stringtrim argument to the RecordClassGenerator class determines trimming behavior.
  • DS A, DS F, DS H, DS R, DS S, DS V, DS Y, DS X items (length less than or equal to four bytes) are mapped to BinaryAsIntField.
  • DS B, DS X items (length greater than or equal to four bytes) are mapped to ByteArrayField.
  • DS E, DS D, DS L items are mapped to IbmFloatField or IbmDoubleField, based on length.
  • Binary floating point numbers (DS EB, DS DB, DS LB) are not supported and are mapped to ByteArrayField.
  • DS P items are mapped to PackedDecimalAsIntField or PackedDecimalAsLongField, depending on length.
  • DS Z items are mapped to ExternalDecimalAsIntField or ExternalDecimalAsLongField, depending on length.

Current limitations

Assembler labels can contain symbols that are not valid in Java names. The following conversions are performed during code generation:
  • @ is mapped to the string _at_
  • # is mapped to the string _hash_