[Pharo-project] [update 1.1] #11243

Stéphane Ducasse stephane.ducasse at inria.fr
Thu Mar 4 07:16:07 EST 2010


jorge 

could you make a list of things to do in 10 min?
So that we get an idea. I really believe that we should invest for the future.

Stef

On Mar 4, 2010, at 10:07 AM, Jorge Ressia wrote:

> Yes, the New compiler is not better. However, I think the New Compiler
> is the right direction to pursue.
> 
> After fighting with it for some months to make the Closures work in it
> I can tell you that I learn a great deal from it, painfully :) .
> But I now have a pretty good idea of what it is required to have a
> modularized compiler with more suitable abstraction for this
> particular domain.
> I implemented many tests and I have to implement a lot more. Then, I
> believe that by expressing ourselves through these tests we will be
> able to modify the compiler to make it look the way we want.
> 
> At least that is my plan with the New compiler.
> 
> Cheers,
> 
> Jorge
> 
> On Thu, Mar 4, 2010 at 9:53 AM, Lukas Renggli <renggli at gmail.com> wrote:
>>>> I'll try to build the tests and come up with a better solution.
>>> 
>>> You what I would love to spend 2/3 weeks just coding in the new compiler and making sure
>>> that it has the right abstractions/messages to deal with issue like that.
>> 
>> The problem is that the New Compiler is not really in a better state
>> than the old compiler. Of course it has more objects and is much
>> easier to extend, but all in all it is a mess too. This is mostly due
>> to the fact that the system below it changed quite a bit in the past
>> years (pragmas, properties, closures, primitives, new bytecodes, ...)
>> and that the New Compiler had to be patched and changed quite heavily
>> to accommodate these new requirements that it was not designed for.
>> Maintaining and fixing the New Compiler got so extremely expensive
>> that it is questionable if this is still a viable platform? Ask Jorge
>> and Marcus.
>> 
>> Lukas
>> 
>> --
>> Lukas Renggli
>> http://www.lukas-renggli.ch
>> 
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>> 
> 
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