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clrobject.cs
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72 lines (57 loc) · 1.98 KB
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using System;
using System.Runtime.InteropServices;
namespace Python.Runtime
{
internal class CLRObject : ManagedType
{
internal object inst;
internal CLRObject(object ob, IntPtr tp)
{
IntPtr py = Runtime.PyType_GenericAlloc(tp, 0);
long flags = Util.ReadCLong(tp, TypeOffset.tp_flags);
if ((flags & TypeFlags.Subclass) != 0)
{
IntPtr dict = Marshal.ReadIntPtr(py, ObjectOffset.DictOffset(tp));
if (dict == IntPtr.Zero)
{
dict = Runtime.PyDict_New();
Marshal.WriteIntPtr(py, ObjectOffset.DictOffset(tp), dict);
}
}
GCHandle gc = GCHandle.Alloc(this);
Marshal.WriteIntPtr(py, ObjectOffset.magic(tp), (IntPtr)gc);
tpHandle = tp;
pyHandle = py;
gcHandle = gc;
inst = ob;
// Fix the BaseException args (and __cause__ in case of Python 3)
// slot if wrapping a CLR exception
Exceptions.SetArgsAndCause(py);
}
internal static CLRObject GetInstance(object ob, IntPtr pyType)
{
return new CLRObject(ob, pyType);
}
internal static CLRObject GetInstance(object ob)
{
ClassBase cc = ClassManager.GetClass(ob.GetType());
return GetInstance(ob, cc.tpHandle);
}
internal static IntPtr GetInstHandle(object ob, IntPtr pyType)
{
CLRObject co = GetInstance(ob, pyType);
return co.pyHandle;
}
internal static IntPtr GetInstHandle(object ob, Type type)
{
ClassBase cc = ClassManager.GetClass(type);
CLRObject co = GetInstance(ob, cc.tpHandle);
return co.pyHandle;
}
internal static IntPtr GetInstHandle(object ob)
{
CLRObject co = GetInstance(ob);
return co.pyHandle;
}
}
}