Imported Upstream version 5.4.0.167

Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa

external/linker/corebuild/integration/ILLink.Tasks/ComputeManagedAssemblies.cs

@@ -0,0 +1,47 @@
+using System;
+using System.IO;
+using System.Xml;
+using System.Xml.Linq;
+using System.Linq;
+using System.Reflection;
+using System.Collections.Generic;
+using Microsoft.Build.Utilities; // Task
+using Microsoft.Build.Framework; // MessageImportance
+using Microsoft.NET.Build.Tasks; // LockFileCache
+using NuGet.ProjectModel; // LockFileTargetLibrary
+using NuGet.Frameworks; // NuGetFramework.Parse(targetframework)
+
+namespace ILLink.Tasks
+{
+	public class ComputeManagedAssemblies : Task
+	{
+		/// <summary>
+		///   Paths to assemblies.
+		/// </summary>
+		[Required]
+		public ITaskItem[] Assemblies { get; set; }
+
+		/// <summary>
+		///   This will contain the output list of managed
+		///   assemblies. Metadata from the input parameter
+		///   Assemblies is preserved.
+		/// </summary>
+		[Output]
+		public ITaskItem[] ManagedAssemblies { get; set; }
+
+		public override bool Execute()
+		{
+			var managedAssemblies = new List<ITaskItem>();
+			foreach (var f in Assemblies) {
+				try {
+					AssemblyName.GetAssemblyName(f.ItemSpec);
+					managedAssemblies.Add(f);
+				} catch (BadImageFormatException) {
+				}
+			}
+			ManagedAssemblies = managedAssemblies.ToArray();
+
+			return true;
+		}
+	}
+}