Flexsim script syntax was more streamlined and intuitive nowadays. However, why reinvent the wheel, not use python as the C++ object' script? Python is more popular, and interact wtih C++ friendly, such as cffi(http://cffi.readthedocs.io/), cython(http://cython.readthedocs.io/en/latest/#) and Boost.Python(http://www.boost.org/)