public static void settrace(CodeContext /*!*/ context, object o)
{
PythonContext pyContext = PythonContext.GetContext(context);
pyContext.EnsureDebugContext();
if (o == null)
{
pyContext.UnregisterTracebackHandler();
PythonTracebackListener.SetTrace(null, null);
}
else
{
// We're following CPython behavior here.
// If CurrentPythonFrame is not null then we're currently inside a traceback, and
// enabling trace while inside a traceback is only allowed through sys.call_tracing()
var pyThread = PythonOps.GetFunctionStackNoCreate();
if (pyThread == null || !PythonTracebackListener.InTraceBack)
{
pyContext.PushTracebackHandler(new PythonTracebackListener((PythonContext)context.LanguageContext));
pyContext.RegisterTracebackHandler();
PythonTracebackListener.SetTrace(o, (TracebackDelegate)Converter.ConvertToDelegate(o, typeof(TracebackDelegate)));
}
}
}
public static void call_tracing(CodeContext /*!*/ context, object func, PythonTuple args)
{
PythonContext pyContext = (PythonContext)context.LanguageContext;
pyContext.EnsureDebugContext();
pyContext.UnregisterTracebackHandler();
pyContext.PushTracebackHandler(new PythonTracebackListener((PythonContext)context.LanguageContext));
pyContext.RegisterTracebackHandler();
try {
PythonCalls.Call(func, args.ToArray());
} finally {
pyContext.PopTracebackHandler();
pyContext.UnregisterTracebackHandler();
}
}
// not enabled because we don't yet support tracing built-in functions. Doing so is a little
// difficult because it's hard to flip tracing on/off for them w/o a perf overhead in the
// non-profiling case.
public static void setprofile(CodeContext /*!*/ context, TracebackDelegate o)
{
PythonContext pyContext = PythonContext.GetContext(context);
pyContext.EnsureDebugContext();
if (o == null)
{
pyContext.UnregisterTracebackHandler();
}
else
{
pyContext.RegisterTracebackHandler();
}
// Register the trace func with the listener
pyContext.TracebackListener.SetProfile(o);
}
