[IronPython] Hosting API and PlatformAdaptationLayer

[Jimmy Schementi]

The public API to do this is ScriptRuntimeSetup.HostType; an example of using this is in Silverlight. Take a look at Microsoft.Scripting.Silverlight/BrowserPAL.cs and Microsoft.Scripting.Silverlight/BrowserScriptHost.cs. Here's the basics:

class YourPAL : PlatforAdaptationLayer {
  static readonly YourPAL PAL = new YourPAL();
  ...
}

class YourScriptHost : ScriptHost {
  ...

  public override PlatformAdaptationLayer PlatformAdaptationLayer {
    get {
      return YourPAL.PAL;
    }
  }
}

// In code that hosts the DLR:
ScriptRuntimeSetup setup = new ScriptRuntimeSetup(true)
setup.HostType = typeof(YourScriptHost)
ScriptRuntime runtime = ScriptRuntime.Create(setup)
...

Make sense?
~Jimmy

> -----Original Message-----
> From: users-bounces at lists.ironpython.com [mailto:users-
> bounces at lists.ironpython.com] On Behalf Of Orian, Helmut
> Sent: Tuesday, June 10, 2008 4:00 AM
> To: users at lists.ironpython.com
> Subject: [IronPython] Hosting API and PlatformAdaptationLayer
>
> At the moment I am hosting IronPython and IronRuby using the sources
> from the Silverlight2beta1 SDK which I recompiled to work against .NET
> 2.0 because it is the latest build of the DLR I found where both
> projects work with a common Microsoft.Scripting.dll.
>
> We have a client-server architecture and all our config-files and other
> script language files (like xsl and some own languages :-) are stored
> and versioned in our central application server instead of a harddisk.
>
> For the initial python script I want to execute this was no problem,
> but
> to get the import statement of python ('require' in ruby) to work I
> implemented a class deriving from
> Microsoft.Scripting.PlatformAdaptationLayer. This implementation worked
> perfectly for me, but I have not found a way to bootstrap ScriptRuntime
> and ScriptHost with my implementation by using the current public API
> in
> Microsoft.Scripting.
>
> I had to use an own implementation derived from ScriptHost to inject my
> derived PlatformAdaptationLayer instance with (ugly) reflection into
> the
> ScriptRuntime.
>
> It would be nice if I could set/use my derived PlatformAdaptationLayer
> instance by public API.
>
>
> Thanks,
> Helmut
>
>
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