public async Task HandleWithAsync(WithStatement node, CancellationToken cancellationToken = default) {
cancellationToken.ThrowIfCancellationRequested();
foreach (var item in node.Items.Where(x => x.Variable != null)) {
var contextManager = await Eval.GetValueFromExpressionAsync(item.ContextManager, cancellationToken);
var cmType = contextManager.GetPythonType();
var enter = cmType?.GetMember(node.IsAsync ? @"__aenter__" : @"__enter__")?.GetPythonType<IPythonFunctionType>();
if (enter != null) {
var context = await Eval.GetValueFromFunctionTypeAsync(enter, null, null, cancellationToken);
if (item.Variable is NameExpression nex && !string.IsNullOrEmpty(nex.Name)) {
Eval.DeclareVariable(nex.Name, context, Eval.GetLoc(item));
}
}
}
}