public override async Task <ExecutionResult> ExecuteCodeAsync(string text)
{
var tcs = new TaskCompletionSource <ExecutionResult>();
var ct = new CancellationToken();
var cancellationRegistration = ct.Register(() => tcs.TrySetCanceled());
EventHandler <ProcessExitedEventArgs> processExited = delegate {
tcs.TrySetCanceled();
};
EventHandler <OutputEventArgs> debuggerOutput = (object sender, OutputEventArgs e) => {
if (e.IsStdOut)
{
WriteOutput(e.Output, addNewline: false);
}
else
{
WriteError(e.Output, addNewline: false);
}
};
Action <PythonEvaluationResult> resultReceived = (PythonEvaluationResult result) => {
if (!string.IsNullOrEmpty(result.ExceptionText))
{
tcs.TrySetResult(ExecutionResult.Failure);
}
else
{
tcs.TrySetResult(ExecutionResult.Success);
}
};
_process.ProcessExited += processExited;
_process.DebuggerOutput += debuggerOutput;
try {
if (_currentScopeName == CurrentFrameScopeFixedName)
{
var frame = GetFrames().SingleOrDefault(f => f.FrameId == _frameId);
if (frame != null)
{
await _process.ExecuteTextAsync(text, PythonEvaluationResultReprKind.Normal, frame, true, resultReceived, ct);
}
else
{
WriteError(Strings.DebugReplCannotRetrieveFrameError);
tcs.TrySetResult(ExecutionResult.Failure);
}
}
else
{
await _process.ExecuteTextAsync(text, PythonEvaluationResultReprKind.Normal, _currentScopeName, true, resultReceived, ct);
}
return(await tcs.Task);
} finally {
_process.ProcessExited -= processExited;
_process.DebuggerOutput -= debuggerOutput;
cancellationRegistration.Dispose();
}
}