Class

The .class command starts a new character class definition in the &class section.

Character classes are later referenced from the CLASS operation.

To define the class contents, use the Data command to add single characters and/or ranges.

Syntax

.class

Close the previous class (if any) and start a new one.

Notes

• .class can only be used in the &class section.

• A class must not be empty:

  • If you start a new class while the previous one has no .data entries, the assembler raises an error.

  • The last class in the file is also validated and must not be empty.

• Data (ranges) are collected between .class commands.

• The maximum number of character classes is 65534.

Examples

.section &class

digits:    .class
          .data '0' - '9'

hex:       .class
          .data '0' - '9'
          .data 'a' - 'f'
          .data 'A' - 'F'