On 22 Aug 97 at 16:10, blunn@KEYCORP.COM.AU wrote:

> Bob Lunn
> 08/22/97 04:10 PM
>
>
> > The subset of C++ eliminates features that carry a
> > large run-time overhead such as multiple inheritance,
> > virtual base classes, exceptions...etc.
>
>      Features such as virtual base classes and exceptions
>      are what make C++ an attractive language for embedded
>      application development.

I agree there, but,

>
>      Take them out, and you may as well just use C.
>
>      I would also dispute that either of these necessarily
>      has 'a large run-time overhead'.

Virtuality implies vtables.  Since this is a piclist, I guess we are
talking pics.  Imagine all the pointer shuffling that would go on
accessing pointers of pointers every time a virtual function is
called...  I can't really see it being a proposition on anything but
a 17cxx with lots of external memory.

>
>      // I do like C++ comments, though.

I like the way /* // nests */ them.  Fantastic for debug.  Ordinaire
C compilers seem to havee embraced it enthusiastically, too

>
> > I also heard there is a Java version for embedded too.
>
>      Yeah, the many meanings of the word embedded!
>
>      Embedded Java is not intended to run on something
>      like a pic.  It's directed at 32-bit processors
>      with MMU's and FPU's and megabytes of RAM.
>
>      An Hitachi SH3 would be a good example.
>

Duh!  But Larry El has promised to put them in toasters.  Well, Holly
from Red Dwarf will be happy.


MikeS
<mikesmith_oz@relaymail.net>

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