public ReprBuilder(ReprOptions options)
{
Options = options;
_visitedObjs = new HashSet <ulong>();
}
private ReprBuilder(ReprBuilder parent)
{
Options = parent.Options;
_visitedObjs = parent._visitedObjs;
_nestingLevel = parent._nestingLevel;
}
public void OnException(DkmThread thread)
{
if (thread.SystemPart == null)
{
Debug.Fail("OnException couldn't obtain system thread ID.");
return;
}
var tid = thread.SystemPart.Id;
var process = thread.Process;
PyThreadState tstate = PyThreadState.GetThreadStates(process).FirstOrDefault(ts => ts.thread_id.Read() == tid);
if (tstate == null)
{
Debug.Fail("OnException couldn't find PyThreadState corresponding to system thread " + tid);
return;
}
var exc_type = tstate.curexc_type.TryRead();
var exc_value = tstate.curexc_value.TryRead();
if (exc_type == null || exc_type.IsNone)
{
return;
}
var reprOptions = new ReprOptions(process);
string typeName = Strings.DebugUnknownExceptionType;
string additionalInfo = "";
try {
var typeObject = exc_type as PyTypeObject;
if (typeObject != null)
{
var mod = typeObject.__module__;
var ver = _process.GetPythonRuntimeInfo().LanguageVersion;
if ((mod == "builtins" && ver >= PythonLanguageVersion.V30) ||
(mod == "exceptions" && ver < PythonLanguageVersion.V30))
{
typeName = typeObject.__name__;
}
else
{
typeName = mod + "." + typeObject.__name__;
}
}
var exc = exc_value as PyBaseExceptionObject;
if (exc != null)
{
var args = exc.args.TryRead();
if (args != null)
{
additionalInfo = args.Repr(reprOptions);
}
}
else
{
var str = exc_value as IPyBaseStringObject;
if (str != null)
{
additionalInfo = str.ToString();
}
else if (exc_value != null)
{
additionalInfo = exc_value.Repr(reprOptions);
}
}
} catch {
}
new RemoteComponent.RaiseExceptionRequest
{
ThreadId = thread.UniqueId,
Name = typeName,
AdditionalInformation = Encoding.Unicode.GetBytes(additionalInfo)
}.SendLower(process);
}