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using System;

namespace Python.Runtime

{

/// <summary>

/// A MethodWrapper wraps a static method of a managed type,

/// making it callable by Python as a PyCFunction object. This is

/// currently used mainly to implement special cases like the CLR

/// import hook.

/// </summary>

internal class MethodWrapper

{

public IntPtr mdef;

public IntPtr ptr;

public MethodWrapper(Type type, string name, string funcType = null)

{

// Turn the managed method into a function pointer

IntPtr fp = Interop.GetThunk(type.GetMethod(name), funcType);

// Allocate and initialize a PyMethodDef structure to represent

// the managed method, then create a PyCFunction.

mdef = Runtime.PyMem_Malloc(4 * IntPtr.Size);

TypeManager.WriteMethodDef(mdef, name, fp, 0x0003);

ptr = Runtime.PyCFunction_NewEx(mdef, IntPtr.Zero, IntPtr.Zero);

}

public IntPtr Call(IntPtr args, IntPtr kw)

{

return Runtime.PyCFunction_Call(ptr, args, kw);

}

}

}