Not sure what you mean by this. In the C standard, numeric tokens include signs, floating point dots, type specifiers (U, L, etc.), and much more. For the gory

Not sure what you mean by this. In the C standard, numeric tokens include signs, floating point dots, type specifiers (U, L, etc.), and much more. For the gory details see: https://github.com/eliben/pycparser/blob/master/pycparser/c_lexer.py https://github.com/eliben/pycparser/blob/master/pycparser/c_... But in the end, it's all in the same token.