public override async Task <TextChange?> GetTextChangeAsync(Document document, CompletionItem selectedItem, char?ch, CancellationToken cancellationToken)
{
string insertionText;
if (ch == null)
{
insertionText = SymbolCompletionItem.GetInsertionText(selectedItem);
}
else
{
var position = SymbolCompletionItem.GetContextPosition(selectedItem);
var context = await this.CreateContext(document, position, cancellationToken).ConfigureAwait(false);
var symbols = await SymbolCompletionItem.GetSymbolsAsync(selectedItem, document, cancellationToken).ConfigureAwait(false);
if (symbols.Length > 0)
{
insertionText = GetInsertionText(symbols[0], context, ch.Value);
}
else
{
insertionText = selectedItem.DisplayText;
}
}
return(new TextChange(selectedItem.Span, insertionText));
}
internal override async Task <CompletionDescription> GetDescriptionWorkerAsync(
Document document, CompletionItem item, CompletionOptions options, SymbolDescriptionOptions displayOptions, CancellationToken cancellationToken)
{
var position = SymbolCompletionItem.GetContextPosition(item);
// What EditorBrowsable settings were we previously passed in (if it mattered)?
if (item.Properties.TryGetValue(HideAdvancedMembers, out var hideAdvancedMembersString) &&
bool.TryParse(hideAdvancedMembersString, out var hideAdvancedMembers))
{
options = options with {
HideAdvancedMembers = hideAdvancedMembers
};
}
var(token, semanticModel, symbols) = await GetSymbolsAsync(document, position, options, cancellationToken).ConfigureAwait(false);
if (symbols.Length == 0)
{
return(CompletionDescription.Empty);
}
Contract.ThrowIfNull(semanticModel);
var name = SymbolCompletionItem.GetSymbolName(item);
var kind = SymbolCompletionItem.GetKind(item);
var bestSymbols = symbols.WhereAsArray(s => s.Kind == kind && s.Name == name);
return(await SymbolCompletionItem.GetDescriptionAsync(item, bestSymbols, document, semanticModel, displayOptions, cancellationToken).ConfigureAwait(false));
}
protected override async Task <CompletionDescription> GetDescriptionWorkerAsync(
Document document, CompletionItem item, CancellationToken cancellationToken)
{
var position = SymbolCompletionItem.GetContextPosition(item);
var name = SymbolCompletionItem.GetSymbolName(item);
var kind = SymbolCompletionItem.GetKind(item);
var relatedDocumentIds = document.Project.Solution.GetRelatedDocumentIds(document.Id).Concat(document.Id);
var options = document.Project.Solution.Workspace.Options;
var totalSymbols = await base.GetPerContextSymbols(document, position, options, relatedDocumentIds, preselect : false, cancellationToken : cancellationToken).ConfigureAwait(false);
foreach (var info in totalSymbols)
{
var bestSymbols = info.symbols.Where(s => kind != null && s.Kind == kind && s.Name == name).ToImmutableArray();
if (bestSymbols.Any())
{
return(await SymbolCompletionItem.GetDescriptionAsync(item, bestSymbols, document, info.syntaxContext.SemanticModel, cancellationToken).ConfigureAwait(false));
}
}
return(CompletionDescription.Empty);
}
protected override async Task <CompletionDescription> GetDescriptionWorkerAsync(Document document, CompletionItem item, CancellationToken cancellationToken)
{
var position = SymbolCompletionItem.GetContextPosition(item);
// What EditorBrowsable settings were we previously passed in (if it mattered)?
bool hideAdvancedMembers = false;
if (item.Properties.TryGetValue(HideAdvancedMembers, out var hideAdvancedMembersString))
{
bool.TryParse(hideAdvancedMembersString, out hideAdvancedMembers);
}
var options = document.Project.Solution.Workspace.Options
.WithChangedOption(new OptionKey(CompletionOptions.HideAdvancedMembers, document.Project.Language), hideAdvancedMembers);
var(token, semanticModel, symbols) = await GetSymbolsAsync(document, position, options, cancellationToken).ConfigureAwait(false);
var name = SymbolCompletionItem.GetSymbolName(item);
var kind = SymbolCompletionItem.GetKind(item);
var bestSymbols = symbols.WhereAsArray(s => s.Kind == kind && s.Name == name);
return(await SymbolCompletionItem.GetDescriptionAsync(item, bestSymbols, document, semanticModel, cancellationToken).ConfigureAwait(false));
}