public bool IsSubtypeOf(PyTypeObject type)
{
if (this == type)
{
return(true);
}
var tp_base = this.tp_base.TryRead();
if (tp_base != null && tp_base.IsSubtypeOf(type))
{
return(true);
}
var tp_bases = this.tp_bases.TryRead();
if (tp_bases != null)
{
var bases = tp_bases.ReadElements().OfType <PyTypeObject>();
if (bases.Any(t => t.IsSubtypeOf(type)))
{
return(true);
}
}
return(false);
}
public bool IsInstanceOf(PyTypeObject type)
{
if (this == type)
{
return(true);
}
return(ob_type.Read().IsSubtypeOf(type));
}
public ProxyTypes(DkmProcess process)
{
var langVer = process.GetPythonRuntimeInfo().LanguageVersion;
var proxyTypes = typeof(PyObject).Assembly.GetTypes().Where(t => typeof(PyObject).IsAssignableFrom(t) && !t.IsAbstract);
foreach (var proxyType in proxyTypes)
{
string typeVarName = null;
var pyTypeAttrs = (PyTypeAttribute[])Attribute.GetCustomAttributes(proxyType, typeof(PyTypeAttribute), inherit: false);
if (pyTypeAttrs.Length == 0)
{
typeVarName = ComputeVariableName(proxyType);
}
else
{
foreach (var pyTypeAttr in pyTypeAttrs)
{
if (pyTypeAttr.MinVersion != PythonLanguageVersion.None && langVer < pyTypeAttr.MinVersion)
{
continue;
}
if (pyTypeAttr.MaxVersion != PythonLanguageVersion.None && langVer > pyTypeAttr.MaxVersion)
{
continue;
}
typeVarName = pyTypeAttr.VariableName ?? ComputeVariableName(proxyType);
break;
}
if (typeVarName == null)
{
continue;
}
}
var pyType = PyTypeObject.FromNativeGlobalVariable(process, typeVarName);
var proxyInfo = new ProxyInfo(proxyType);
ProxyInfoFromPyTypePtr.Add(pyType.Address, proxyInfo);
PyTypeFromType.Add(proxyType, pyType);
}
}
private static ProxyInfo?FindProxyInfoForPyType(DkmProcess process, ulong typePtr)
{
if (typePtr == 0)
{
return(null);
}
ProxyInfo proxyInfo;
var map = process.GetOrCreateDataItem(() => new ProxyTypes(process)).ProxyInfoFromPyTypePtr;
if (map.TryGetValue(typePtr, out proxyInfo))
{
return(proxyInfo);
}
// If we didn't get a direct match, look at tp_base and tp_bases.
var typeObject = new PyTypeObject(process, typePtr);
var tp_base = typeObject.tp_base.Raw.Read();
var baseProxyInfo = FindProxyInfoForPyType(process, tp_base);
if (baseProxyInfo != null)
{
return(baseProxyInfo);
}
var tp_bases = typeObject.tp_bases.TryRead();
if (tp_bases != null)
{
foreach (var bas in tp_bases.ReadElements())
{
baseProxyInfo = FindProxyInfoForPyType(process, bas.Raw.Read());
if (baseProxyInfo != null)
{
return(baseProxyInfo);
}
}
}
return(null);
}
