public static IntPtr /*!*/ GetFunctionPointerValue(object o, object type)
{
CTypes._CFuncPtr res = o as CTypes._CFuncPtr;
if (res == null && PythonOps.TryGetBoundAttr(o, "_as_parameter_", out object asParam))
{
res = asParam as CTypes._CFuncPtr;
}
if (res == null || res.NativeType != type)
{
throw ArgumentError(type, ((PythonType)type).Name, o);
}
return(res.addr);
}
public static bool CheckFunctionId(CTypes._CFuncPtr func, int id)
{
return(func.Id == id);
}
public static IntPtr GetPointer(object value)
{
if (value is int)
{
int iVal = (int)value;
if (iVal >= 0)
{
return(new IntPtr(iVal));
}
}
if (value is BigInteger)
{
return(new IntPtr((long)(BigInteger)value));
}
if (value is Int64)
{
return(new IntPtr((Int64)value));
}
if (value == null)
{
return(IntPtr.Zero);
}
object asParam;
if (PythonOps.TryGetBoundAttr(value, "_as_parameter_", out asParam))
{
return(GetPointer(asParam));
}
CTypes.SimpleCData sd = value as CTypes.SimpleCData;
if (sd != null)
{
CTypes.SimpleType simpType = (CTypes.SimpleType)sd.NativeType;
if (simpType._type == CTypes.SimpleTypeKind.WCharPointer ||
simpType._type == CTypes.SimpleTypeKind.CharPointer)
{
return(sd.UnsafeAddress);
}
else if (simpType._type == CTypes.SimpleTypeKind.Pointer)
{
return(sd._memHolder.ReadIntPtr(0));
}
}
CTypes._Array arr = value as CTypes._Array;
if (arr != null)
{
return(arr.UnsafeAddress);
}
CTypes._CFuncPtr func = value as CTypes._CFuncPtr;
if (func != null)
{
return(func.UnsafeAddress);
}
CTypes.Pointer pointer = value as CTypes.Pointer;
if (pointer != null)
{
return(pointer.UnsafeAddress);
}
throw PythonOps.TypeErrorForTypeMismatch("pointer", value);
}