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From "Geir Magnusson Jr." <ge...@apache.org>
Subject Re: [arch] Modular JVM component diagram
Date Mon, 29 Aug 2005 11:36:39 GMT

On Aug 27, 2005, at 4:55 AM, David Tanzer wrote:

> Some questions: Are these the actual headers we program against? If
> yes, this would assume we use C or C++ to implement the VM, or at  
> least
> these components, right?
> Sorry if I'm asking something which has already been resolved, but I
> was just searching the mailing list archives and I found much
> controversy about which language to use, but I didn't find a  
> resolution.
> Anyway, I thing C/C++ would be a good choice to implement performance
> critical parts of the VM.

I think that this problem will be solved organically, as we start  
creating code and accepting donations, I'd expect that we'd let  
people do both as we worked out some architecture issues.  Then, with  
what we've learned, I'd expect we'd restart with a clearer roadmap  
that will probably include both C/C++ and Java.  Pascal is right out.

> Another suggestion: IMHO it would be good to use the Java Coding
> Conventions in C/C++ code too.

Wow!  There's a twist on that bikeshed that I haven't seen before :)

> While this has the disadvantage that
> the coding style in the C/C++ code might be inconsistent in some  
> places
> it would have the great advantage that all code (and all interfaces)
> we write use the same coding style.

Yes, that's true.  OTOH, having two styles helps you realize what  
language you're looking at :)  My biggest concerns about coding style  
are safety and clarity - use {} even for one liners, don't get cute  
and write perl-like statements just 'cuz, and document, document,  
document.  I'd be happy w/ one style...


> Regards, David.
> On Fri, 2005-08-26 at 09:24 -0700, Weldon Washburn wrote:
>> method_access.txt has been added.
>> On 8/25/05, Weldon Washburn <weldonwjw@gmail.com> wrote:
>>> On 8/25/05, Davanum Srinivas <davanum@gmail.com> wrote:
>>>> Weldon,
>>>> from which wiki page is this field_access.txt url linked from?  
>>>> could
>>>> we not add the code that wiki page itself? (if you enclose with  
>>>> "{{{"
>>>> and "}}}" with the code in between it looks nice)
>>> Oops. Sorry.  I put an http link to  field_access.txt in
>>> http://wiki.apache.org/harmony/HarmonyArchitecture.  Its under  
>>> the "VM
>>> Core" paragraph that Ricardo added last week.  Its about 3/4 of the
>>> way down the page.
>>>> thanks,
>>>> dims
> -- 
> David Tanzer, Guglhupf Studios, http://guglhupf.net
> My PGP Public Key: http://guglhupf.net/david/david.asc
> --
> Brain: Here we are, Pinky--at the dawn of time!
> Pinky: Narf, Brain. Wake me at the noon of time.
>   -- When Mice Ruled the Earth

Geir Magnusson Jr                                  +1-203-665-6437

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