I need to know what the proper term for a program I wrote is. It is a program that takes a simple language input file which holds information about a program. It then writes a few C++ classes (.h ...

These days, languages with a preprocessor usually handle it as part of the compiler, but you can also use an external preprocessor like m4 for more sophisticated uses.

As mentioned earlier, the first step that the compiler does is it sends our source code through the C Preprocessor. The C Preprocessor is responsible for 3 tasks: text substitution, stripping comments ...