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// 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.
#nullable disable
using System;
using System.ComponentModel.Composition;
using Microsoft.CodeAnalysis.Editor.Shared.Utilities;
using Microsoft.CodeAnalysis.Host.Mef;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Classification;
using Microsoft.VisualStudio.Utilities;
namespace Microsoft.CodeAnalysis.Editor.Implementation.IntelliSense.SignatureHelp.Presentation
{
[Export(typeof(IClassifierProvider))]
[ContentType(ContentTypeNames.CSharpSignatureHelpContentType)]
[ContentType(ContentTypeNames.VisualBasicSignatureHelpContentType)]
internal partial class SignatureHelpClassifierProvider : IClassifierProvider
{
private readonly ClassificationTypeMap _typeMap;
[ImportingConstructor]
[Obsolete(MefConstruction.ImportingConstructorMessage, error: true)]
public SignatureHelpClassifierProvider(ClassificationTypeMap typeMap)
=> _typeMap = typeMap;
public IClassifier GetClassifier(ITextBuffer subjectBuffer)
{
return subjectBuffer.Properties.GetOrCreateSingletonProperty<IClassifier>(
() => new SignatureHelpClassifier(subjectBuffer, _typeMap));
}
}
}
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