Method nothrowThrows

lib/checkexceptionsafety.cpp:284–314

-------------------------------------------------------------------------- void func() noexcept { throw x; } void func() throw() { throw x; } void func() __attribute__((nothrow)); void func() { throw x; } --------------------------------------------------------------------------

//    void func() __attribute__((nothrow)); void func() { throw x; }
//--------------------------------------------------------------------------
void CheckExceptionSafetyImpl::nothrowThrows()
{
    logChecker("CheckExceptionSafety::nothrowThrows");

    const SymbolDatabase* const symbolDatabase = mTokenizer->getSymbolDatabase();

    for (const Scope * scope : symbolDatabase->functionScopes) {
        const Function* function = scope->function;
        if (!function)
            continue;

        bool isNoExcept = false, isEntryPoint = false;
        if (function->isNoExcept() || // noexcept and noexcept(true) functions
            (function->isThrow() && !function->throwArg) || //  throw() functions
            function->isAttributeNothrow()) { // __attribute__((nothrow)) or __declspec(nothrow) functions
            isNoExcept = true;
        }
        else if (mSettings.library.isentrypoint(function->name())) {
            isEntryPoint = true;
        }
        if (!isNoExcept && !isEntryPoint)
            continue;

        if (const Token* throws = functionThrows(function)) {
            if (isEntryPoint)
                entryPointThrowError(throws);
            else
                noexceptThrowError(throws);
        }
    }
}

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