private void GetItemsAndContinue(EvalResultDataItem dataItem, DkmWorkList workList, int startIndex, int count, DkmInspectionContext inspectionContext, DkmCompletionRoutine <DkmEvaluationEnumAsyncResult> completionRoutine)
{
var expansion = dataItem.Expansion;
var value = dataItem.Value;
var rows = ArrayBuilder <EvalResultDataItem> .GetInstance();
if (expansion != null)
{
int index = 0;
expansion.GetRows(this, rows, inspectionContext, dataItem, value, startIndex, count, visitAll: false, index: ref index);
}
var numRows = rows.Count;
Debug.Assert(count >= numRows);
var results = new DkmEvaluationResult[numRows];
GetEvaluationResultsAndContinue(rows, results, 0, numRows, workList, inspectionContext, value.StackFrame,
() => ContinueWithExceptionHandling(
() =>
{
completionRoutine(new DkmEvaluationEnumAsyncResult(results));
rows.Free();
},
e => completionRoutine(DkmEvaluationEnumAsyncResult.CreateErrorResult(e))));
}
internal DkmEvaluationResult[] GetItems(
DkmEvaluationResultEnumContext enumContext,
int startIndex,
int count
)
{
DkmEvaluationEnumAsyncResult getItemsResult = default(DkmEvaluationEnumAsyncResult);
var workList = new DkmWorkList();
enumContext.GetItems(
workList,
startIndex,
count,
r =>
{
getItemsResult = r;
}
);
workList.Execute();
var exception = getItemsResult.Exception;
if (exception != null)
{
ExceptionDispatchInfo.Capture(exception).Throw();
}
return(getItemsResult.Items);
}
internal DkmEvaluationResult[] GetItems(DkmEvaluationResultEnumContext enumContext, int startIndex, int count)
{
DkmEvaluationEnumAsyncResult getItemsResult = default(DkmEvaluationEnumAsyncResult);
_resultProvider.GetItems(enumContext, null, startIndex, count, r => { getItemsResult = r; });
var exception = getItemsResult.Exception;
if (exception != null)
{
ExceptionDispatchInfo.Capture(exception).Throw();
}
return(getItemsResult.Items);
}
void IDkmClrResultProvider.GetItems(DkmEvaluationResultEnumContext enumContext, DkmWorkList workList, int startIndex, int count, DkmCompletionRoutine <DkmEvaluationEnumAsyncResult> completionRoutine)
{
var enumContextDataItem = enumContext.GetDataItem <EnumContextDataItem>();
if (enumContextDataItem == null)
{
// We don't know about this result. Call next implementation
enumContext.GetItems(workList, startIndex, count, completionRoutine);
return;
}
var evaluationResult = enumContextDataItem.Result;
var dataItem = evaluationResult.GetDataItem <EvalResultDataItem>();
var expansion = dataItem.Expansion;
if (expansion == null)
{
completionRoutine(new DkmEvaluationEnumAsyncResult(new DkmEvaluationResult[0]));
return;
}
var inspectionContext = enumContext.InspectionContext;
var rows = ArrayBuilder <EvalResult> .GetInstance();
int index = 0;
expansion.GetRows(this, rows, inspectionContext, dataItem, dataItem.Value, startIndex, count, visitAll: false, index: ref index);
var numRows = rows.Count;
Debug.Assert(count >= numRows);
var results = new DkmEvaluationResult[numRows];
CompletionRoutine <Exception> onException = e => completionRoutine(DkmEvaluationEnumAsyncResult.CreateErrorResult(e));
var wl = new WorkList(workList, onException);
wl.ContinueWith(() =>
GetEvaluationResultsAndContinue(evaluationResult, rows, results, 0, numRows, wl, inspectionContext,
() =>
wl.ContinueWith(
() =>
{
completionRoutine(new DkmEvaluationEnumAsyncResult(results));
rows.Free();
}),
onException));
}
