xmlvm-users

[xmlvm-users] Overall Plan??

[Charles J. <ah...@gm...>]

I saw the post which say the C++ and Object-C backends have been removed.
So was the plan to focus on the C backend just a way to focus the efforts
??  Also are you considering any other OS targets than IOS 4 for iphone ??

Thanks.

Re: [xmlvm-users] Overall Plan??

[Arno P. <ar...@pu...>]

ok, let me explain in more detail: I removed the C++ backend last week 
because it was never really used anyways and had some serious 
deficiencies. The Objective-C backend is still there and will only be 
removed once everyone is happy with the new C backend.

If you are just using XMLVM, you won't even notice the difference 
between the C and the Objective-C backend. After all, the whole point is 
that the generated code is like "assembler that you don't really want to 
look at."

The reason for the new C backend are the following:

- C is a subset of both C++ and Objective-C. In a way it is the lowest
   common denominator and therefore code generated by XMLVM can be run
   on more platforms (other than just the iPhone).
- the C backend will be *much* more runtime efficient since we don't
   have to go through Objective-C's dynamic method dispatch anymore.
- a fully-fledged garbage collector: the Objective-C backend right
   now is using reference counting and if you have a cyclic data
   structure, you will have a memory leak. This won't happen with
   the C backend.
- better J2SE support: the new C backend is already powerful enough
   to cross-compile OpenJDK. This means that you will get much better
   coverage of J2SE API than with the Objective-C backend.

Arno


On 8/27/10 8:29 AM, Charles Johnson wrote:
> I saw the post which say the C++ and Object-C backends have been
> removed.  So was the plan to focus on the C backend just a way to focus
> the efforts ??  Also are you considering any other OS targets than IOS 4
> for iphone ??
>
> Thanks.
>
>
>
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Re: [xmlvm-users] Overall Plan??

[C. J. <ah...@gm...>]

Any other OS targets be considered other than IOS 4 for iphone ??

Re: [xmlvm-users] Overall Plan??

[Arno P. <ar...@pu...>]

at this point the top-priority is to get the C backend up and running 
and making everything work again for the iPhone. That will put XMLVM in 
a good position to support other platforms, but that also depends on the 
community and what kind of support we get from others. Remember, XMLVM 
is Open Source and depends on people donating their time and effort.

Arno


On 8/27/10 9:43 AM, C. Johnson wrote:
> Any other OS targets be considered other than IOS 4 for iphone ??
>
>
>

Re: [xmlvm-users] Overall Plan??

[Lennie De V. <len...@gm...>]

Hi need help with the C backend?

On 27 Aug 2010 6:48 PM, "Arno Puder" <ar...@pu...> wrote:


at this point the top-priority is to get the C backend up and running
and making everything work again for the iPhone. That will put XMLVM in
a good position to support other platforms, but that also depends on the
community and what kind of support we get from others. Remember, XMLVM
is Open Source and depends on people donating their time and effort.

Arno



On 8/27/10 9:43 AM, C. Johnson wrote:
> Any other OS targets be considered other than IOS 4 for ip...

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Re: [xmlvm-users] Overall Plan??

[Arno P. <ar...@pu...>]

thanks for offering help. We still need to do some internal cleanup 
before we can outsource some of the TODOs. I'll keep you posted.

Arno


On 8/29/2010 12:24 AM, Lennie De Villiers wrote:
> Hi need help with the C backend?
>
>> On 27 Aug 2010 6:48 PM, "Arno Puder" <ar...@pu...
>> <mailto:ar...@pu...>> wrote:
>>
>>
>> at this point the top-priority is to get the C backend up and running
>> and making everything work again for the iPhone. That will put XMLVM in
>> a good position to support other platforms, but that also depends on the
>> community and what kind of support we get from others. Remember, XMLVM
>> is Open Source and depends on people donating their time and effort.
>>
>> Arno
>>
>>
>>
>> On 8/27/10 9:43 AM, C. Johnson wrote:
>> > Any other OS targets be considered other than IOS 4 for ip...
>>
>> ------------------------------------------------------------------------------
>> Sell apps to millions...
>>