[Python.NET] Updates to callconvutil.cs for .NET 2.0

[Michael Eddington]

Rock on, I have Python.NET running under 2.0 using 2005 Beta 2 and the
change below.

I've tried both the console and embedding in another .NET application.

To compile I made my own solution with three projects (console, crl,
and runtime).  For CRL I used the Visual IL addin to studio.  Did a
search/replace and whala.

mike

On 9/19/05, Greg Chapman <glc at well.com> wrote:
> Michael Eddington wrote:
>
> > Anyone else out there started to mess with Python.NET on the 2.0
> > platform?  One of the first hurtles was the output from ildasm does
> > not always place the method name on the next line, causing
> > callconvutil to place the modopt in the wrong place.  I've added a
> > regex in to check for and split the method line if the function name
> > is found.
>
> Here's something I just discovered.  You can now (in .NET 2.0) apply
> the UnmanagedFunctionPointer attribute to delegate types to get them to
> work as cdecl.  For example:
>
> [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
> public delegate IntPtr UnaryFunc(IntPtr ob);
>
> >From what I can tell, that delegate type is compatible with any managed
> method with the right signature.  When called from unmanaged code, such
> delegates will use the cdecl convention (this must be done in some kind
> of thunk, since the method itself still uses the normal .NET calling
> convention).
>
> Anyway, the upshot is it looks like you can apply that attribute to all
> the CallConvCDecl delegates in Interop.cs (removing the CallConvCDecl
> attribute, since it's not needed), and then not need callconvutil at
> all.
>
> --
> Greg Chapman
>
>
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