pythonnet/src/runtime/Native/NativeCall.cs at v3.0.1 · pythonnet/pythonnet · GitHub

33 lines (29 loc) · 1.21 KB

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);

}

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