private bool TryGetNavigationAPIRequiredArguments(
ISymbol symbol,
Solution solution,
out IVsHierarchy hierarchy,
out uint itemID,
out IVsSymbolicNavigationNotify navigationNotify,
out string rqname)
{
AssertIsForeground();
hierarchy = null;
navigationNotify = null;
rqname = null;
itemID = (uint)VSConstants.VSITEMID.Nil;
if (!symbol.Locations.Any())
{
return(false);
}
var sourceLocations = symbol.Locations.Where(loc => loc.IsInSource);
if (!sourceLocations.Any())
{
return(false);
}
var documents = sourceLocations.Select(loc => solution.GetDocument(loc.SourceTree)).WhereNotNull();
if (!documents.Any())
{
return(false);
}
// We can only pass one itemid to IVsSymbolicNavigationNotify, so prefer itemids from
// documents we consider to be "generated" to give external language services the best
// chance of participating.
var generatedCodeRecognitionService = solution.Workspace.Services.GetService <IGeneratedCodeRecognitionService>();
var generatedDocuments = documents.Where(d => generatedCodeRecognitionService.IsGeneratedCode(d));
var documentToUse = generatedDocuments.FirstOrDefault() ?? documents.First();
if (!TryGetVsHierarchyAndItemId(documentToUse, out hierarchy, out itemID))
{
return(false);
}
navigationNotify = hierarchy as IVsSymbolicNavigationNotify;
if (navigationNotify == null)
{
return(false);
}
rqname = LanguageServices.RQName.From(symbol);
return(rqname != null);
}
private bool TryGetNavigationAPIRequiredArguments(
DefinitionItem definitionItem,
string rqName,
Solution solution,
CancellationToken cancellationToken,
out IVsHierarchy hierarchy,
out uint itemID,
out IVsSymbolicNavigationNotify navigationNotify)
{
AssertIsForeground();
hierarchy = null;
navigationNotify = null;
itemID = (uint)VSConstants.VSITEMID.Nil;
if (rqName == null)
{
return(false);
}
var sourceLocations = definitionItem.SourceSpans;
if (!sourceLocations.Any())
{
return(false);
}
var documents = sourceLocations.SelectAsArray(loc => loc.Document);
// We can only pass one itemid to IVsSymbolicNavigationNotify, so prefer itemids from
// documents we consider to be "generated" to give external language services the best
// chance of participating.
var generatedDocuments = documents.WhereAsArray(d => d.IsGeneratedCode(cancellationToken));
var documentToUse = generatedDocuments.FirstOrDefault() ?? documents.First();
if (!TryGetVsHierarchyAndItemId(documentToUse, out hierarchy, out itemID))
{
return(false);
}
navigationNotify = hierarchy as IVsSymbolicNavigationNotify;
if (navigationNotify == null)
{
return(false);
}
return(true);
}
private bool TryGetNavigationAPIRequiredArguments(ISymbol symbol, Solution solution, out IVsHierarchy hierarchy, out IVsSymbolicNavigationNotify navigationNotify, out string rqname)
{
hierarchy = null;
navigationNotify = null;
rqname = null;
if (!symbol.Locations.Any() || !symbol.Locations[0].IsInSource)
{
return(false);
}
var document = solution.GetDocument(symbol.Locations[0].SourceTree);
if (document == null)
{
return(false);
}
hierarchy = GetVsHierarchy(document.Project);
navigationNotify = hierarchy as IVsSymbolicNavigationNotify;
if (navigationNotify == null)
{
return(false);
}
return(RQNameService.TryBuild(symbol, out rqname));
}
private bool TryGetNavigationAPIRequiredArguments(
ISymbol symbol,
Solution solution,
out IVsHierarchy hierarchy,
out uint itemID,
out IVsSymbolicNavigationNotify navigationNotify,
out string rqname)
{
AssertIsForeground();
hierarchy = null;
navigationNotify = null;
rqname = null;
itemID = (uint)VSConstants.VSITEMID.Nil;
if (!symbol.Locations.Any())
{
return false;
}
var sourceLocations = symbol.Locations.Where(loc => loc.IsInSource);
if (!sourceLocations.Any())
{
return false;
}
var documents = sourceLocations.Select(loc => solution.GetDocument(loc.SourceTree)).WhereNotNull();
if (!documents.Any())
{
return false;
}
// We can only pass one itemid to IVsSymbolicNavigationNotify, so prefer itemids from
// documents we consider to be "generated" to give external language services the best
// chance of participating.
var generatedCodeRecognitionService = solution.Workspace.Services.GetService<IGeneratedCodeRecognitionService>();
var generatedDocuments = documents.Where(d => generatedCodeRecognitionService.IsGeneratedCode(d));
var documentToUse = generatedDocuments.FirstOrDefault() ?? documents.First();
if (!TryGetVsHierarchyAndItemId(documentToUse, out hierarchy, out itemID))
{
return false;
}
navigationNotify = hierarchy as IVsSymbolicNavigationNotify;
if (navigationNotify == null)
{
return false;
}
rqname = LanguageServices.RQName.From(symbol);
return rqname != null;
}
