If you wish CPD to parse a unsupported language, you can easily develop a new parser for CPD. All you need to is implements the following interface:
Do not forget to the follow the proper naming convention, as the CPD parser factory use this convention:
For instance, if you develop a python parser, you should have two classes named PythonLanguage and PythonTokenizer.
To test your parser, just package it in a jar and add your jar to the classpath.