Jb Evain wrote:
Hey Michael,

On 4/20/09, Michael Foord <fuzzy...@voidspace.org.uk> wrote:
 I guess a full IL writer would be needed - which means back to Cecil and
the like and seeing if parts of them could be run on Silverlight. *sigh*

You just want to change the references to an assembly from the desktop
version to the SL version? With Cecil it's like:

var assembly = AssemblyFactory.GetAssembly (file);
foreach (var reference in assembly.MainModule.AssemblyReferences) {
        if (!IsTargetAssembly (reference))
                continue;

        reference.Version = new Version (2, 0, 5, 0);
}
AssemblyFactory.SaveAssembly (assembly, file);

Now it doesn't guarantee that the resulting assembly is coherent,
visibility wise, as you may have used methods that are not visible or
not existent in SL.

Thanks for that - if it would work it would be really useful, however...

I think I've done the equivalent of this using ildasm / ilasm. I've disassembled the assembly to IL, then replaced the references with the references to Silverlight assemblies and re-assembled.

The resulting assembly throws exactly the same error - which makes me think that the assemblies compiled by Pyc are using things that aren't available in Silverlight. *However* - Microsoft.Runtime.CompilerServices.StrongBox does exist in Silverlight. I think I'll try the whole process again just to see. My guess is that rewriting would require an intimate knowledge of the differences between the CoreCLR and standard .NET.

I can't import it in a Silverlight application though (the following code does work on the desktop version of IronPython):

import clr
clr.AddReference('Microsoft.Scripting')
clr.AddReference('Microsoft.Scripting.Core')
from  Microsoft.Runtime.CompilerServices import StrongBox

ImportError: No module named Runtime

Michael

--
http://www.ironpythoninaction.com/
http://www.voidspace.org.uk/blog


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