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NativeCall.cs
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33 lines (29 loc) · 1.21 KB
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using System;
namespace Python.Runtime
{
/// <summary>
/// Provides support for calling native code indirectly through
/// function pointers. Most of the important parts of the Python
/// C API can just be wrapped with p/invoke, but there are some
/// situations (specifically, calling functions through Python
/// type structures) where we need to call functions indirectly.
/// </summary>
internal unsafe class NativeCall
{
public static void CallDealloc(IntPtr fp, StolenReference a1)
{
var d = (delegate* unmanaged[Cdecl]<StolenReference, void>)fp;
d(a1);
}
public static NewReference Call_3(IntPtr fp, BorrowedReference a1, BorrowedReference a2, BorrowedReference a3)
{
var d = (delegate* unmanaged[Cdecl]<BorrowedReference, BorrowedReference, BorrowedReference, NewReference>)fp;
return d(a1, a2, a3);
}
public static int Int_Call_3(IntPtr fp, BorrowedReference a1, BorrowedReference a2, BorrowedReference a3)
{
var d = (delegate* unmanaged[Cdecl]<BorrowedReference, BorrowedReference, BorrowedReference, int>)fp;
return d(a1, a2, a3);
}
}
}