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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.Diagnostics.CodeAnalysis;
using System.Runtime.InteropServices;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.Editor;
using Microsoft.VisualStudio.ComponentModelHost;
using Microsoft.VisualStudio.LanguageServices.Implementation;
using Microsoft.VisualStudio.Shell.Interop;
namespace Microsoft.VisualStudio.LanguageServices.CSharp.LanguageService
{
[ExcludeFromCodeCoverage]
[Guid(Guids.CSharpEditorFactoryIdString)]
internal class CSharpEditorFactory : AbstractEditorFactory
{
public CSharpEditorFactory(IComponentModel componentModel)
: base(componentModel)
{
}
protected override string ContentTypeName => ContentTypeNames.CSharpContentType;
protected override string LanguageName => LanguageNames.CSharp;
protected override Project GetProjectWithCorrectParseOptionsForProject(Project project, IVsHierarchy hierarchy)
{
if (project.ParseOptions is CSharpParseOptions parseOptions &&
hierarchy is IVsBuildPropertyStorage propertyStorage &&
ErrorHandler.Succeeded(propertyStorage.GetPropertyValue("LangVersion", null, (uint)_PersistStorageType.PST_PROJECT_FILE, out var langVersionString)) &&
LanguageVersionFacts.TryParse(langVersionString, out var langVersion))
{
return project.WithParseOptions(parseOptions.WithLanguageVersion(langVersion));
}
return project;
}
}
}
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