[LLVMdev] LLVM Python binding
overminddl1 at gmail.com
Thu Mar 20 14:38:03 PDT 2008
I'd might think about that, I have created quite a few Python bindings and,
oddly enough, do enjoy it, probably just because of how easy boost::python
makes it (I have always manually done it directly using that, but because of
the sheer size of LLVM I may use a code generator to generate the basics,
and yes I know how to manually create python C modules without any binder,
but boost::python drastically cuts down the time for all the glue code).
What would you be looking at, the same C++ interface for generating the
bytecode (the Module, Value, etc... and so forth) in addition to what other
functions would you want? I have only written a LLVM generator for a toy
language so this may be beneficial for both you (in getting Python bindings)
and me (in learning the full interface and what is really required).
Bindings are easy to extend and (thanks to boost::python if I used it) the
interface stays very type-safe for any C-style bindings.
The python setup system makes it easy to compile and install in the python
distribution on any OS so it should literally be as easy as just downloading
it and running setup.py in its root directory (or easy_install <whatever> if
added to the python cheeseshop). If you really wanted it to be done
manually without external libraries (and the parts of boost I use can be
included in the distribution, so that would really be a non-issue unless
there is some aversion to it) then it would take longer then the time I have
free, whereas with boost::python I could probably get something working with
the main interfaces in a couple of days, and depending on the size of the
LLVM interface that would be wanted, a month or so, with more time to make
test-cases to make sure it works correctly.
Any thoughts on it being made into a GSoC project, or should I do it on my
own (much less incentive to get it done quickly as I have other paying
things to deal with, I would still get it done if started, just take longer
to get fully finished)?
Also, have you looked at PyPy? It is no where near finished (or honestly,
anywhere near usable on the front-end), but it has an LLVM back-end, might
work well enough for now depending on what you are doing.
On Wed, Mar 19, 2008 at 2:42 PM, Nadav Rotem <nadav256 at gmail.com> wrote:
> I am developing an application which is Python based and uses LLVM. I
> use LLVM by generating textual bitcode files and feeding them to my
> plug-in. I wish LLVM had Python binding.
> I would love to see Python binding as one of the GSoC projects so
> someone from the community can pick it up.
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu
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