Re: [Jython-dev] jython compiler

[Samuele P. <ped...@st...>]

Brian Zimmer wrote:

>
> On Jun 2, 2005, at 08:09 PM, Randy Brown wrote:
>
>> Niall Murphy wrote:
>>
>>> Hi all,
>>> I am interested in improving the existing jythonc tool.
>>> is their somebody currently working on this?
>>
>>
>> I recently just got back into looking at this.
>
>
> Excellent.  I haven't had any time to look at this functionality.
>
>>
>>> Why does convert to a java file and then run javac?
>>> is this simpler than going straight to Java byte code?
>>
>>
>> From what I've heard and seen in the code, this appears to be the
>> start of a more ambitious compiler structure (think shades of pypy)
>> that got to a working stage but didn't really get much further off the
>> ground.
>>
>
> That's more than I know.
>
>>> any information on the structure of jythonc and the parser would be 
>>> welcome.
>>
>>
>> Right now, AFAIK nobody's really looking at the existing jythonc code
>> because nobody sees how its existing structure could be made
>> to support generators.  My current take is to try to adapt the existing
>> code in jython so that it can do what jythonc used to:
>>
>>   * Make new java classes with signatures
>>     * I have code for normal methods; constructors are harder.
>>   * Do ahead-of-time compilation so that most jython code can run:
>>     * In cases where java classes are expected (e.g. servlets & beans)
>>     * Without the permission to use a special classloader (applets)
>>     * I've been looking into this; it's not that hard to modify
>>     the existing proxy behavior to work with precompiled classes.
>>
>>
>
>
> This would be my approach as well.  I've also looked at the code and 
> think it's doable.  I'd very much like to see the two implementations 
> collapsed into one.  If you're serious about working on this let's 
> coordinate efforts.  I think this would be a big one from a 
> maintenance perspective as well as the obvious ability to bring 
> jythonc inline with jython.
>
indeed this would be a very reasonable plan forward.

regards, Samuele