public override async Task ProvideCompletionsAsync(CompletionContext context)
{
var document = context.Document;
var position = context.Position;
var cancellationToken = context.CancellationToken;
var semanticModel = await document.ReuseExistingSpeculativeModelAsync(position, cancellationToken).ConfigureAwait(false);
var workspace = document.Project.Solution.Workspace;
var syntaxContext = CSharpSyntaxContext.CreateContext(workspace, semanticModel, position, cancellationToken);
if (!syntaxContext.IsAwaitKeywordContext(position))
{
return;
}
var method = syntaxContext.TargetToken.GetAncestor(node => node.IsAsyncSupportingFunctionSyntax());
var shouldMakeContainerAsync = method is not null && !method.GetModifiers().Any(SyntaxKind.AsyncKeyword);
var completionItem = CommonCompletionItem.Create(
displayText: SyntaxFacts.GetText(SyntaxKind.AwaitKeyword),
displayTextSuffix: "",
rules: CompletionItemRules.Default,
Glyph.Keyword,
description: RecommendedKeyword.CreateDisplayParts(SyntaxFacts.GetText(SyntaxKind.AwaitKeyword), string.Empty),
inlineDescription: shouldMakeContainerAsync ? CSharpFeaturesResources.Make_container_async : null,
isComplexTextEdit: shouldMakeContainerAsync);
context.AddItem(completionItem);
}
public static ImmutableArray <SymbolDisplayPart> CreateRecommendedKeywordDisplayParts(
string keyword,
string toolTip
) => RecommendedKeyword.CreateDisplayParts(keyword, toolTip);
