Function evaluate

externals/simplecpp/simplecpp.cpp:3005–3015

* @throws std::runtime_error thrown on invalid literals, missing sizeof arguments or invalid expressions, * missing __has_include() arguments or expressions, undefined function-like macros, invalid number literals * @throws std::overflow_error thrown on overflow or division by zero */

 * @throws std::overflow_error thrown on overflow or division by zero
 */
static long long evaluate(simplecpp::TokenList &expr, const simplecpp::DUI &dui, const std::map<std::string, std::size_t> &sizeOfType)
{
    simplifyComments(expr);
    simplifySizeof(expr, sizeOfType);
    simplifyHasInclude(expr, dui);
    simplifyName(expr);
    simplifyNumbers(expr);
    expr.constFold();
    // TODO: handle invalid expressions
    return expr.cfront() && expr.cfront() == expr.cback() && expr.cfront()->number ? stringToLL(expr.cfront()->str()) : 0LL;
}

static const simplecpp::Token *gotoNextLine(const simplecpp::Token *tok)
{