public int GetProximityExpressions(IVsTextBuffer pBuffer, int iLine, int iCol, int cLines, out IVsEnumBSTR ppEnum)
{
var textBuffer = _editorAdaptersFactory.GetDataBuffer(pBuffer);
if (textBuffer == null)
{
// Can't resolve the text buffer, let someone else deal with this breakpoint.
ppEnum = null;
return(VSConstants.E_NOTIMPL);
}
var snapshot = textBuffer.CurrentSnapshot;
if (!ValidateLocation(snapshot, iLine, iCol))
{
// The point disappeared between sessions. Do not evaluate proximity expressions here.
ppEnum = null;
return(VSConstants.E_FAIL);
}
var dialogResult = _waitDialogFactory.TryCreateWaitDialog(
title: "Determining proximity expressions...",
message: "Razor Debugger",
async(context) =>
{
var proximityExpressions = await _proximityExpressionResolver.TryResolveProximityExpressionsAsync(textBuffer, iLine, iCol, context.CancellationToken).ConfigureAwait(false);
return(proximityExpressions);
});
if (dialogResult == null)
{
// Failed to create the dialog at all.
ppEnum = null;
return(VSConstants.E_FAIL);
}
if (dialogResult.Cancelled)
{
ppEnum = null;
return(VSConstants.E_FAIL);
}
if (dialogResult.Result == null)
{
ppEnum = null;
return(VSConstants.E_FAIL);
}
ppEnum = new VsEnumBSTR(dialogResult.Result);
return(VSConstants.S_OK);
}
public int ValidateBreakpointLocation(IVsTextBuffer pBuffer, int iLine, int iCol, TextSpan[] pCodeSpan)
{
var textBuffer = _editorAdaptersFactory.GetDataBuffer(pBuffer);
if (textBuffer == null)
{
// Can't resolve the text buffer, let someone else deal with this breakpoint.
return(VSConstants.E_NOTIMPL);
}
var snapshot = textBuffer.CurrentSnapshot;
if (!ValidBreakpointLocation(snapshot, iLine, iCol))
{
// The point disappeared between sessions. Do not allow a breakpoint here.
return(VSConstants.E_FAIL);
}
var dialogResult = _waitDialogFactory.TryCreateWaitDialog(
title: "Determining breakpoint location...",
message: "Razor Debugger",
async(context) =>
{
var breakpointRange = await _breakpointResolver.TryResolveBreakpointRangeAsync(textBuffer, iLine, iCol, context.CancellationToken);
if (breakpointRange == null)
{
// No applicable breakpoint location.
return(VSConstants.E_FAIL);
}
pCodeSpan[0] = new TextSpan()
{
iStartIndex = breakpointRange.Start.Character,
iStartLine = breakpointRange.Start.Line,
iEndIndex = breakpointRange.End.Character,
iEndLine = breakpointRange.End.Line,
};
return(VSConstants.S_OK);
});
if (dialogResult == null)
{
// Failed to create the dialog at all.
return(VSConstants.E_FAIL);
}
if (dialogResult.Cancelled)
{
return(VSConstants.E_FAIL);
}
return(dialogResult.Result);
}