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[Jython-dev] Re: [Python-Dev] AST branch is in?

From: Samuele Pedroni <pedronis@st...> - 2005-10-25 21:07

Guido van Rossum wrote:
> On 10/25/05, Frank Wierzbicki <fwierzbicki@...> wrote:
> 
>> My name is Frank Wierzbicki and I'm working on the Jython project.  Does
>>anyone on this list know more about the history of this Grammar sharing
>>between the two projects?  I've heard about some Grammar sharing between
>>Jython and Python, and I've noticed that (most of) the jython code in
>>/org/python/parser/ast is commented "Autogenerated AST node".  I would
>>definitely like to look at (eventually) coordinating with this effort.
>>
>> I've cross-posted to the Jython-dev list in case someone there has some
>>insight.
> 
> 
> Your best bet is to track down Jim Hugunin and see if he remembers.
> He's jimhug at microsoft.com or jim at hugunin.net.
> 

no. this is all after Jim, its indeed a derived effort from the CPython
own AST effort, just that we started using it quite a while ago.
This is all after Jim was not involved with Jython anymore, Finn Bock
started this.

Thread View

Thread	Author	Date
[Jython-dev] Re: [Python-Dev] AST branch is in?	Frank Wierzbicki <fwierzbicki@gm...>

Re: [Jython-dev] Re: [Python-Dev] AST branch is in?

From: Samuele Pedroni <pedronis@st...> - 2005-10-25 21:04

Frank Wierzbicki wrote:
> On 10/20/05, *Neal Norwitz* <nnorwitz@... 
> <mailto:nnorwitz@...>> wrote:
> 
>     The Grammar is (was at one point at least) shared between Jython and
>     would allow more tools to be able to share infrastructure.  The idea
>     is to eventually be able to have [JP]ython output the same AST to
>     tools.
> 
> 
> Hello Python-dev,
> 
> My name is Frank Wierzbicki and I'm working on the Jython project.  Does 
> anyone on this list know more about the history of this Grammar sharing 
> between the two projects?  I've heard about some Grammar sharing between 
> Jython and Python, and I've noticed that (most of) the jython code in 
> /org/python/parser/ast is commented "Autogenerated AST node".  I would 
> definitely like to look at (eventually) coordinating with this effort.
> 
> I've cross-posted to the Jython-dev list in case someone there has some 
> insight.

as far as I understand now Python trunk contains some generated AST
representation C code created through the asdl_c.py script from an 
updated Python.asdl, these files live in

http://cvs.sourceforge.net/viewcvs.py/python/python/dist/src/Parser/

a parallel asdl_java.py existed in Python CVS sandbox (where the
AST effort started) and was updated the last time the Jython
own AST classes were generated with at the time version of Python.asdl
(this was done by me if I remember correctly at some point in Jython
2.2 evolution, I think when the PyDev guys wanted a more up-to-date
Jython parser to reuse):

http://cvs.sourceforge.net/viewcvs.py/*checkout*/python/python/nondist/sandbox/ast/asdl_java.py?content-type=text%2Fplain&rev=1.7

basically the new Python.asdl needs to be used, the asdl_java.py
maybe updated and our compiler changed as necessary.

regards.

[Jython-dev] Re: [Python-Dev] AST branch is in?

From: Samuele Pedroni <pedronis@st...> - 2005-10-25 21:07

Guido van Rossum wrote:
> On 10/25/05, Frank Wierzbicki <fwierzbicki@...> wrote:
> 
>> My name is Frank Wierzbicki and I'm working on the Jython project.  Does
>>anyone on this list know more about the history of this Grammar sharing
>>between the two projects?  I've heard about some Grammar sharing between
>>Jython and Python, and I've noticed that (most of) the jython code in
>>/org/python/parser/ast is commented "Autogenerated AST node".  I would
>>definitely like to look at (eventually) coordinating with this effort.
>>
>> I've cross-posted to the Jython-dev list in case someone there has some
>>insight.
> 
> 
> Your best bet is to track down Jim Hugunin and see if he remembers.
> He's jimhug at microsoft.com or jim at hugunin.net.
> 

no. this is all after Jim, its indeed a derived effort from the CPython
own AST effort, just that we started using it quite a while ago.
This is all after Jim was not involved with Jython anymore, Finn Bock
started this.

Re: [Jython-dev] Re: [Python-Dev] AST branch is in?

From: Kent Johnson <kent37@td...> - 2005-10-25 21:55

Frank Wierzbicki wrote:
> On 10/20/05, *Neal Norwitz* <nnorwitz@... 
> <mailto:nnorwitz@...>> wrote:
> 
>     The Grammar is (was at one point at least) shared between Jython and
>     would allow more tools to be able to share infrastructure.  The idea
>     is to eventually be able to have [JP]ython output the same AST to
>     tools.
> 
> 
> Hello Python-dev,
> 
> My name is Frank Wierzbicki and I'm working on the Jython project.  Does 
> anyone on this list know more about the history of this Grammar sharing 
> between the two projects?  I've heard about some Grammar sharing between 
> Jython and Python, and I've noticed that (most of) the jython code in 
> /org/python/parser/ast is commented "Autogenerated AST node".  I would 
> definitely like to look at (eventually) coordinating with this effort.

You should contact Fabio Zadrozny fabioz@... (pydev maintainer), he updated the jython parser for Python 2.4 and was willing to share his changes back when someone on this end was ready.

Kent

[Jython-dev] runtime compilation of classes

From: Mark Proctor <lists@ma...> - 2005-10-26 03:57

I'm moving Drools away from runtime script evaluation to runtime class 
generation and compilation into jars. Before I used the 
PythonInterpretor so now I'm wondering how would I go about compiling 
classes at runtime? There doesn't seem to be a documented interface to 
runtime use of jythonc. As mentioned before, a jci interface would help 
a lot here :)

I'm looking to do a drools 2.5 beta release in a week or two - take it 
there won't be a suitable 2.2 by then?

Thanks

Mark