71 lines
2.6 KiB
C#
71 lines
2.6 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Reflection;
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using System.Threading;
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using dnSpy.Roslyn.Internal.SignatureHelp;
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using Microsoft.CodeAnalysis;
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using Microsoft.CodeAnalysis.Host.Mef;
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namespace dnSpy.Roslyn.Text {
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/// <summary>
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/// Shared <see cref="MefHostServices"/> instance
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/// </summary>
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public sealed class RoslynMefHostServices {
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/// <summary>
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/// Gets the shared <see cref="MefHostServices"/> instance
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/// </summary>
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public static MefHostServices DefaultServices {
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get {
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if (defaultServices is null)
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Interlocked.CompareExchange(ref defaultServices, CreateDefaultServices(), null);
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Debug2.Assert(defaultServices is not null);
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return defaultServices;
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}
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}
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static MefHostServices? defaultServices;
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static MefHostServices CreateDefaultServices() {
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var asms = new HashSet<Assembly>(MefHostServices.DefaultAssemblies);
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var version = typeof(Compilation).Assembly.GetName().Version;
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foreach (var asmNameTmp in otherAssemblies) {
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var asmName = string.Format(asmNameTmp, version);
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try {
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asms.Add(Assembly.Load(asmName));
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}
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catch {
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Debug.Fail($"Couldn't load Roslyn MEF assembly: {asmName}");
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}
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}
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// dnSpy.Roslyn.Internal exports some stuff too
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asms.Add(typeof(SignatureHelpService).Assembly);
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asms.Add(typeof(Internal.QuickInfo.CSharp.SemanticQuickInfoProvider).Assembly);
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asms.Add(typeof(Microsoft.CodeAnalysis.Editor.VisualBasic.QuickInfo.SemanticQuickInfoProvider).Assembly);
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return MefHostServices.Create(asms);
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}
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static readonly string[] otherAssemblies = new string[] {
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"Microsoft.CodeAnalysis.Features, Version={0}, Culture=neutral, PublicKeyToken=31bf3856ad364e35",
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"Microsoft.CodeAnalysis.CSharp.Features, Version={0}, Culture=neutral, PublicKeyToken=31bf3856ad364e35",
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"Microsoft.CodeAnalysis.VisualBasic.Features, Version={0}, Culture=neutral, PublicKeyToken=31bf3856ad364e35",
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};
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}
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}
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