The Oberon-2 Reflection Model and Its Applications
نویسندگان
چکیده
We describe the reflection model of Oberon-2, a language in the tradition of Pascal and Modula-2. It provides run-time information about the structure of variables, types and procedures and allows the programmer to manipulate the values of variables. The special aspect of the Oberon-2 reflection model is that metainformation is not obtained via metaclasses. It is rather organized as structured sequences of elements stored on a disk, which can be enumerated by an iterator. This results in a simple and uniform access mechanism and keeps the memory overhead to a minimum. We also show a number of challenging applications that have been implemented with this reflection model.
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