BNF search (for yacc) C ++ grammar

Question

I found something similar here: Where can I find the standard BNF or YACC grammar for C ++?

But the download links no longer work, and I want to ask if anyone knows where I can download it now?

Answer 1

Looking here: http://www.parashift.com/c++-faq-lite/compiler-dependencies.html#faq-38.11 , I found this: http://www.computing.surrey.ac.uk/research/dsrg /fog/CxxGrammar.y

Answer 2

++ BNF yacc. , , .

Answer 3

++.

EDG Front Front CLang " ".

CLang , , , .