Method rethrowNoCurrentException

lib/checkexceptionsafety.cpp:372–401

-------------------------------------------------------------------------- 7.6.18.4 If no exception is presently being handled, evaluating a throw-expression with no operand calls std​::​​terminate(). --------------------------------------------------------------------------

// 7.6.18.4 If no exception is presently being handled, evaluating a throw-expression with no operand calls std​::​​terminate().
//--------------------------------------------------------------------------
void CheckExceptionSafetyImpl::rethrowNoCurrentException()
{
    logChecker("CheckExceptionSafety::rethrowNoCurrentException");
    const SymbolDatabase* const symbolDatabase = mTokenizer->getSymbolDatabase();
    for (const Scope * scope : symbolDatabase->functionScopes) {
        const Function* function = scope->function;
        if (!function)
            continue;

        // Rethrow can be used in 'exception dispatcher' idiom which is FP in such case
        // https://isocpp.org/wiki/faq/exceptions#throw-without-an-object
        // We check the beginning of the function with idiom pattern
        if (Token::simpleMatch(function->functionScope->bodyStart->next(), "try { throw ; } catch ("))
            continue;

        for (const Token *tok = function->functionScope->bodyStart->next();
             tok != function->functionScope->bodyEnd; tok = tok->next()) {
            if (Token::simpleMatch(tok, "catch (")) {
                tok = tok->linkAt(1);       // skip catch argument
                if (Token::simpleMatch(tok, ") {"))
                    tok = tok->linkAt(1);   // skip catch scope
                else
                    break;
            }
            if (Token::simpleMatch(tok, "throw ;")) {
                rethrowNoCurrentExceptionError(tok);
            }
        }
    }
}

void CheckExceptionSafetyImpl::rethrowNoCurrentExceptionError(const Token *tok)
{