public async Task FindBasesAsync(Document document, int position, IFindUsagesContext context)
{
var cancellationToken = context.CancellationToken;
var symbolAndProjectOpt = await FindUsagesHelpers.GetRelevantSymbolAndProjectAtPositionAsync(
document, position, cancellationToken).ConfigureAwait(false);
if (symbolAndProjectOpt == null)
{
await context.ReportMessageAsync(
EditorFeaturesResources.Cannot_navigate_to_the_symbol_under_the_caret).ConfigureAwait(false);
return;
}
var(symbol, project) = symbolAndProjectOpt.Value;
var bases = FindBaseHelpers.FindBases(
symbol, project, cancellationToken);
await context.SetSearchTitleAsync(
string.Format(EditorFeaturesResources._0_bases,
FindUsagesHelpers.GetDisplayName(symbol))).ConfigureAwait(false);
var found = false;
// For each potential base, try to find its definition in sources.
// If found, add it's definitionItem to the context.
// If not found but the symbol is from metadata, create it's definition item from metadata and add to the context.
foreach (var baseSymbol in bases)
{
var sourceDefinition = await SymbolFinder.FindSourceDefinitionAsync(
SymbolAndProjectId.Create(baseSymbol, project.Id), project.Solution, cancellationToken).ConfigureAwait(false);
if (sourceDefinition.Symbol != null)
{
var definitionItem = await sourceDefinition.Symbol.ToClassifiedDefinitionItemAsync(
project.Solution.GetProject(sourceDefinition.ProjectId), includeHiddenLocations : false,
FindReferencesSearchOptions.Default, cancellationToken : cancellationToken)
.ConfigureAwait(false);
await context.OnDefinitionFoundAsync(definitionItem).ConfigureAwait(false);
found = true;
}
else if (baseSymbol.Locations.Any(l => l.IsInMetadata))
{
var definitionItem = baseSymbol.ToNonClassifiedDefinitionItem(
project, includeHiddenLocations: true);
await context.OnDefinitionFoundAsync(definitionItem).ConfigureAwait(false);
found = true;
}
}
if (!found)
{
await context.ReportMessageAsync(EditorFeaturesResources.The_symbol_has_no_base)
.ConfigureAwait(false);
}
}
public async Task FindBasesAsync(Document document, int position, IFindUsagesContext context)
{
var cancellationToken = context.CancellationToken;
var tuple = await FindBaseHelpers.FindBasesAsync(document, position, cancellationToken).ConfigureAwait(false);
if (tuple == null)
{
await context.ReportMessageAsync(
EditorFeaturesResources.Cannot_navigate_to_the_symbol_under_the_caret).ConfigureAwait(false);
return;
}
var(symbol, implementations, message) = tuple.Value;
if (message != null)
{
await context.ReportMessageAsync(message).ConfigureAwait(false);
return;
}
await context.SetSearchTitleAsync(
string.Format(EditorFeaturesResources._0_bases,
FindUsagesHelpers.GetDisplayName(symbol))).ConfigureAwait(false);
var solution = document.Project.Solution;
foreach (var implementation in implementations)
{
var definitionItem = await implementation.Symbol.ToClassifiedDefinitionItemAsync(
solution.GetProject(implementation.ProjectId), includeHiddenLocations : false,
FindReferencesSearchOptions.Default, cancellationToken : cancellationToken).ConfigureAwait(false);
await context.OnDefinitionFoundAsync(definitionItem).ConfigureAwait(false);
}
}