IsolatedComponentLoadContext.cs

Go to the documentation of this file.

using System;
using System.Diagnostics.CodeAnalysis;
using System.Reflection;
using System.Runtime.Loader;
 
namespace Internal.Runtime.InteropServices;
 
internal sealed class IsolatedComponentLoadContext : AssemblyLoadContext
{
    private readonly AssemblyDependencyResolver _resolver;
 
    [RequiresUnreferencedCode("The trimmer might remove assemblies that are loaded by this class", Url = "https://aka.ms/dotnet-illink/nativehost")]
    public IsolatedComponentLoadContext(string componentAssemblyPath)
        : base("IsolatedComponentLoadContext(" + componentAssemblyPath + ")")
    {
        _resolver = new AssemblyDependencyResolver(componentAssemblyPath);
    }
 
    [UnconditionalSuppressMessage("ReflectionAnalysis", "IL2026:RequiresUnreferencedCode", Justification = "The trimmer warning is added to the constructor of this class since this method is a virtual one.")]
    protected override Assembly Load(AssemblyName assemblyName)
    {
        string text = _resolver.ResolveAssemblyToPath(assemblyName);
        if (text != null)
        {
            return LoadFromAssemblyPath(text);
        }
        return null;
    }
 
    protected override IntPtr LoadUnmanagedDll(string unmanagedDllName)
    {
        string text = _resolver.ResolveUnmanagedDllToPath(unmanagedDllName);
        if (text != null)
        {
            return LoadUnmanagedDllFromPath(text);
        }
        return IntPtr.Zero;
    }
}