|
// 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;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Diagnostics;
using System.IO;
using System.Reflection.Metadata;
using System.Reflection.PortableExecutable;
using Microsoft.CodeAnalysis;
namespace Roslyn.Utilities;
/// <summary>
/// This partial contains methods that must be shared by source with the workspaces layer
/// </summary>
internal static partial class AssemblyUtilities
{
/// <summary>
/// Given a path to an assembly, returns its MVID (Module Version ID).
/// May throw.
/// </summary>
/// <exception cref="IOException">If the file at <paramref name="filePath"/> does not exist or cannot be accessed.</exception>
/// <exception cref="BadImageFormatException">If the file is not an assembly or is somehow corrupted.</exception>
public static Guid ReadMvid(string filePath)
{
RoslynDebug.Assert(PathUtilities.IsAbsolute(filePath));
using (var reader = new PEReader(FileUtilities.OpenRead(filePath)))
{
var metadataReader = reader.GetMetadataReader();
var mvidHandle = metadataReader.GetModuleDefinition().Mvid;
var fileMvid = metadataReader.GetGuid(mvidHandle);
return fileMvid;
}
}
}
|