Was it in C++ originally not C? (It seems like a C FFI bridge would have been straightforward from). Or did it already go from C => Objective-C++ a while back?
(I read the article hours ago and didn't notice you'd posted. Btw, I think we would have gotten better conversation if you had said "Hey, this is me! AMA" as a top-level comment)
It has been in continuous development since 1985. Before the port, parts were in C, C++, Objective-C, and Objective-C++, as well as Lex, Yacc, GLSL, and Python. Will do the top-level comment.
(I read the article hours ago and didn't notice you'd posted. Btw, I think we would have gotten better conversation if you had said "Hey, this is me! AMA" as a top-level comment)