compile and run c++ code runtime

Question

Does anyone know how to compile your c++ code wich you write while your program is already running?

And later i would like to run that code.

I want to do this be

Answer 1

You have to call the compiler to compile and link the user-entered code. This has to be made either into an executable that is then run from another process you create, or as a library that you dynamically load and call.

How this is done is different on POSIX platforms (like Linux and OSX) and Windows.