On Jul 18, 11:24 pm, Tim Smith <[EMAIL PROTECTED]> wrote: > In article <[EMAIL PROTECTED]>, > Wolfgang Draxinger <[EMAIL PROTECTED]> wrote: > > > > > > > Well, I know only the comments Linus Torvalds made about the > > implications of using C++ to develop a kernel. And I totally > > agree with him in his statements. Programming a kernel you want > > to control every bit of the program (yes I know, that this > > sentence can be interpreted in many ways, and each way totaly > > matches what I mean). > > > A languages like C++, that hides (some) vital aspects of the > > underlying mechanisms can break things at such a low level > > application. I'm thinking mainly about the way, polymorphism is > > implemented (there's no standard about that in current C++), how > > name mangling is performed (dito), calling conventions if > > objects are passed by reference (dito). Another problem is, that > > the use of some C++ features (I'm looking at templates here) > > will start a chain reaction in which code is created generically > > w/o having any influence on the exact outcome. This is not the > > same like using macros to create a similair effect; doing it > > with a macro one must exactly know what's going on. > > I have yet to encounter a C++ compiler that will refuse to compile a > program if it does not use polymorphism, passing objects by reference, > and templates. There is nothing forcing someone who writes a kernel in > C++ to do those (possibly) questionable things. > > -- you can call it C++ code but without them you are just codding in C and the trouble is that many high level featuers do not always suit to kernel programming ,on the other hand C++ is not high level enough for some tasks such as web programming,multithreading ... In short words today`s C++ cannot be considered as general purpose as C used to be in good old days. Q:Is there any alternative?(I mean a true ** modern general purpose flexible** language with **suitable for mixed-level programming**)?
regards, FM. _______________________________________________ gnu-misc-discuss mailing list [email protected] http://lists.gnu.org/mailman/listinfo/gnu-misc-discuss
