Re: [Xen-devel] [PATCH] add xl ocaml bindings

["Marc - A. Dahlhaus" <mad@xxxxxx>]

Hello Ian,

Am Montag, den 28.06.2010, 10:59 +0100 schrieb Ian Campbell:
> Not really a comment on this patch as such but more a related thought...
> How many language bindings do we think there are going to be and how
> much effort do we expect it would be keeping them all (or even just the
> interesting subset) up to date?
> 
> Is it worth investing the time up front to define a (simple) IDL and to
> generate the C header and language bindings from that?
> 
> Are there any existing IDLs which would meet our needs?
> 
> Another thought is that an IDL would partially isolate people changing
> the libxl interface from needing to know enough about each language to
> fixup the bindings (or else they may break the build). At least in the
> normal case where the change does not require a change to the IDL then a
> simple regeneration should be enough to update the bindings for the
> change.
> 
> On the other hand sometimes maintaining the auto code generator can be
> more work than just maintaining bindings by hand...
> 
> Ian.

maybe http://www.swig.org/ might help in this case.

It supports ocaml, python and also many more targets (like perl which i
would love to get :) )...

According to http://www.swig.org/tutorial.html it looks like it could
save the effort of maintaining the bindings one by one in parallel...


Marc


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