PyList_Append(IntPtr listPtr, IntPtr itemPtr)
{
PyListObject listStruct = (PyListObject)Marshal.PtrToStructure(listPtr, typeof(PyListObject));
if (listStruct.ob_type != this.PyList_Type)
{
this.LastException = PythonOps.TypeError("PyList_Append: not a list");
return(-1);
}
if (listStruct.ob_item == IntPtr.Zero)
{
this.IC_PyList_Append_Empty(listPtr, ref listStruct, itemPtr);
}
else
{
this.IC_PyList_Append_NonEmpty(listPtr, ref listStruct, itemPtr);
}
List list = (List)this.Retrieve(listPtr);
list.append(this.Retrieve(itemPtr));
this.IncRef(itemPtr);
return(0);
}
PyList_New(int length)
{
if (length == 0)
{
return(this.IC_PyList_New_Zero());
}
PyListObject list = new PyListObject();
list.ob_refcnt = 1;
list.ob_type = this.PyList_Type;
list.ob_size = length;
list.allocated = length;
int bytes = length * CPyMarshal.PtrSize;
list.ob_item = this.allocator.Alloc((uint)bytes);
CPyMarshal.Zero(list.ob_item, bytes);
IntPtr listPtr = this.allocator.Alloc((uint)Marshal.SizeOf(typeof(PyListObject)));
Marshal.StructureToPtr(list, listPtr, false);
this.incompleteObjects[listPtr] = UnmanagedDataMarker.PyListObject;
return(listPtr);
}
StoreTyped(List list)
{
int length = list.__len__();
PyListObject listStruct = new PyListObject();
listStruct.ob_refcnt = 1;
listStruct.ob_type = this.PyList_Type;
listStruct.ob_size = length;
listStruct.allocated = length;
uint bytes = (uint)length * CPyMarshal.PtrSize;
IntPtr data = this.allocator.Alloc(bytes);
listStruct.ob_item = data;
for (int i = 0; i < length; i++)
{
CPyMarshal.WritePtr(data, this.Store(list[i]));
data = CPyMarshal.Offset(data, CPyMarshal.PtrSize);
}
IntPtr listPtr = this.allocator.Alloc((uint)Marshal.SizeOf(typeof(PyListObject)));
Marshal.StructureToPtr(listStruct, listPtr, false);
this.map.Associate(listPtr, list);
return(listPtr);
}
IC_PyList_Append_Empty(IntPtr listPtr, ref PyListObject listStruct, IntPtr itemPtr)
{
listStruct.ob_size = 1;
listStruct.allocated = 1;
listStruct.ob_item = this.allocator.Alloc(CPyMarshal.PtrSize);
CPyMarshal.WritePtr(listStruct.ob_item, itemPtr);
Marshal.StructureToPtr(listStruct, listPtr, false);
}
IC_PyList_New_Zero()
{
PyListObject list = new PyListObject();
list.ob_refcnt = 1;
list.ob_type = this.PyList_Type;
list.ob_size = 0;
list.allocated = 0;
list.ob_item = IntPtr.Zero;
IntPtr listPtr = this.allocator.Alloc((uint)Marshal.SizeOf(typeof(PyListObject)));
Marshal.StructureToPtr(list, listPtr, false);
this.map.Associate(listPtr, new List());
return listPtr;
}
IC_PyList_New_Zero()
{
PyListObject list = new PyListObject();
list.ob_refcnt = 1;
list.ob_type = this.PyList_Type;
list.ob_size = 0;
list.allocated = 0;
list.ob_item = IntPtr.Zero;
IntPtr listPtr = this.allocator.Alloc((uint)Marshal.SizeOf(typeof(PyListObject)));
Marshal.StructureToPtr(list, listPtr, false);
this.map.Associate(listPtr, new List());
return(listPtr);
}
IC_PyList_Append_NonEmpty(IntPtr listPtr, ref PyListObject listStruct, IntPtr itemPtr)
{
int oldAllocated = listStruct.allocated;
int oldAllocatedBytes = oldAllocated * CPyMarshal.PtrSize;
listStruct.ob_size += 1;
listStruct.allocated += 1;
IntPtr oldDataStore = listStruct.ob_item;
int newAllocatedBytes = listStruct.allocated * CPyMarshal.PtrSize;
listStruct.ob_item = this.allocator.Realloc(listStruct.ob_item, (uint)newAllocatedBytes);
CPyMarshal.WritePtr(CPyMarshal.Offset(listStruct.ob_item, oldAllocatedBytes), itemPtr);
Marshal.StructureToPtr(listStruct, listPtr, false);
}
IC_PyList_Dealloc(IntPtr listPtr)
{
PyListObject listStruct = (PyListObject)Marshal.PtrToStructure(listPtr, typeof(PyListObject));
if (listStruct.ob_item != IntPtr.Zero)
{
IntPtr itemsPtr = listStruct.ob_item;
for (int i = 0; i < listStruct.ob_size; i++)
{
IntPtr itemPtr = CPyMarshal.ReadPtr(itemsPtr);
if (itemPtr != IntPtr.Zero)
{
this.DecRef(itemPtr);
}
itemsPtr = CPyMarshal.Offset(itemsPtr, CPyMarshal.PtrSize);
}
this.allocator.Free(listStruct.ob_item);
}
dgt_void_ptr freeDgt = (dgt_void_ptr)
CPyMarshal.ReadFunctionPtrField(
this.PyList_Type, typeof(PyTypeObject), "tp_free", typeof(dgt_void_ptr));
freeDgt(listPtr);
}
StoreTyped(List list)
{
int length = list.__len__();
PyListObject listStruct = new PyListObject();
listStruct.ob_refcnt = 1;
listStruct.ob_type = this.PyList_Type;
listStruct.ob_size = length;
listStruct.allocated = length;
uint bytes = (uint)length * CPyMarshal.PtrSize;
IntPtr data = this.allocator.Alloc(bytes);
listStruct.ob_item = data;
for (int i = 0; i < length; i++)
{
CPyMarshal.WritePtr(data, this.Store(list[i]));
data = CPyMarshal.Offset(data, CPyMarshal.PtrSize);
}
IntPtr listPtr = this.allocator.Alloc((uint)Marshal.SizeOf(typeof(PyListObject)));
Marshal.StructureToPtr(listStruct, listPtr, false);
this.map.Associate(listPtr, list);
return listPtr;
}
private void IC_PyList_Append_NonEmpty(IntPtr listPtr, ref PyListObject listStruct, IntPtr itemPtr)
{
int oldAllocated = listStruct.allocated;
int oldAllocatedBytes = oldAllocated * CPyMarshal.PtrSize;
listStruct.ob_size += 1;
listStruct.allocated += 1;
IntPtr oldDataStore = listStruct.ob_item;
int newAllocatedBytes = listStruct.allocated * CPyMarshal.PtrSize;
listStruct.ob_item = this.allocator.Realloc(listStruct.ob_item, (uint)newAllocatedBytes);
CPyMarshal.WritePtr(CPyMarshal.Offset(listStruct.ob_item, oldAllocatedBytes), itemPtr);
Marshal.StructureToPtr(listStruct, listPtr, false);
}
private void IC_PyList_Append_Empty(IntPtr listPtr, ref PyListObject listStruct, IntPtr itemPtr)
{
listStruct.ob_size = 1;
listStruct.allocated = 1;
listStruct.ob_item = this.allocator.Alloc(CPyMarshal.PtrSize);
CPyMarshal.WritePtr(listStruct.ob_item, itemPtr);
Marshal.StructureToPtr(listStruct, listPtr, false);
}
public override IntPtr PyList_New(int length)
{
if (length == 0)
{
return this.IC_PyList_New_Zero();
}
PyListObject list = new PyListObject();
list.ob_refcnt = 1;
list.ob_type = this.PyList_Type;
list.ob_size = length;
list.allocated = length;
int bytes = length * CPyMarshal.PtrSize;
list.ob_item = this.allocator.Alloc((uint)bytes);
CPyMarshal.Zero(list.ob_item, bytes);
IntPtr listPtr = this.allocator.Alloc((uint)Marshal.SizeOf(typeof(PyListObject)));
Marshal.StructureToPtr(list, listPtr, false);
this.incompleteObjects[listPtr] = UnmanagedDataMarker.PyListObject;
return listPtr;
}
/// <summary> /// Unwraps from <see cref="IPyObject"/> wrapper. /// </summary> /// <param name="pyList"></param> /// <returns></returns> public static IList <object> UnPy(this PyListObject pyList) => pyList.Value.Select(x => x.Value).ToList();