Recursive C macro not expanded

Question

I am working on a recursive macro. However, it seems that it is not expanded recursively. Here is a minimal working example to show what I mean:

// ignore input,         


        

Answer 1

As others have mentioned, pure recursion is impossible with C macros. It is, however, possible to simulate recursion-like effects.

The Boost Pre-Processor tools do this well for both C and C++ and are a stand-alone library:

http://www.boost.org/doc/libs/1_60_0/libs/preprocessor/doc/index.html