File: Completion\Providers\EmbeddedLanguageCompletionProvider.cs
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Project: src\src\Features\Core\Portable\Microsoft.CodeAnalysis.Features.csproj (Microsoft.CodeAnalysis.Features)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.Collections.Immutable;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Text;
 
namespace Microsoft.CodeAnalysis.Completion.Providers;
 
internal abstract class EmbeddedLanguageCompletionProvider
{
    public string Name { get; }
 
    internal EmbeddedLanguageCompletionProvider()
    {
        Name = GetType().FullName!;
    }
 
    public abstract ImmutableHashSet<char> TriggerCharacters { get; }
    public abstract bool ShouldTriggerCompletion(SourceText text, int caretPosition, CompletionTrigger trigger);
    public abstract Task ProvideCompletionsAsync(CompletionContext context);
    public abstract Task<CompletionChange> GetChangeAsync(Document document, CompletionItem item, char? commitKey, CancellationToken cancellationToken);
    public abstract Task<CompletionDescription?> GetDescriptionAsync(Document document, CompletionItem item, CancellationToken cancellationToken);
}