Where can I find standard BNF or YACC grammar for C++ language?

Question

I\'m trying to work on a kind of code generator to help unit-testing an legacy C/C++ blended project. I don\'t find any kind of independent tool can generate stub code from decl

Answer 1

I've recently found some grammar files for C++ (C++ 1998: ISO/IEC 14882:1998 and C++ 2008: ISO/IEC SC22/WG21 N2723=08-0233) at the grammarware website. The grammars are represented in Enahnced BNF, DMS BNF, BGF, SDF and Rascal notation. It's a pity, though, that the C++ grammars don't seem to get updated (no C++2003 or C++11).