Using G code parser sources in the external g code viewer application.

Hello all,
This post is for request advice. I thinking to make g code viewer like "cimco" edit. Can I use the g code parser sources in part of the linuxcnc.Or would you recommend something else? I'm still at the beginning. Could you recommend a struct that will handle g-codes? Or could you show a document or source code that can give an idea?
Regards.
Eyüp

Maybe have a look at the "Stand alone interpreter" which is used for G-code preview by LinuxCNC.
github.com/LinuxCNC/linuxcnc/tree/master/src/emc/sai