static AssemblyLoadContext CreateLoadContext(string baseDir, string assemblyFile)
{
var depsJsonFile = Path.Combine(baseDir, Path.GetFileNameWithoutExtension(assemblyFile) + ".deps.json");
var builder = new AssemblyLoadContextBuilder();
builder.TryAddDependencyContext(depsJsonFile, out _);
builder.SetBaseDirectory(baseDir);
return(builder.Build());
}
public static AssemblyLoadContextBuilder AddDependencyContext(this AssemblyLoadContextBuilder builder, string depsFilePath)
{
var reader = new DependencyContextJsonReader();
using (var file = File.OpenRead(depsFilePath))
{
var deps = reader.Read(file);
builder.SetBaseDirectory(Path.GetDirectoryName(depsFilePath));
builder.AddDependencyContext(deps);
}
return(builder);
}
public static AssemblyLoadContextBuilder TryAddDependencyContext(this AssemblyLoadContextBuilder builder, string depsFilePath, out Exception error)
{
error = null;
try
{
builder.AddDependencyContext(depsFilePath);
}
catch (Exception ex)
{
error = ex;
}
return(builder);
}
public static AssemblyLoadContextBuilder AddDependencyContext(this AssemblyLoadContextBuilder builder, DependencyContext dependencyContext)
{
var ridGraph = dependencyContext.RuntimeGraph.Any()
? dependencyContext.RuntimeGraph
: DependencyContext.Default.RuntimeGraph;
var rid = Microsoft.DotNet.PlatformAbstractions.RuntimeEnvironment.GetRuntimeIdentifier();
var fallbackRid = GetFallbackRid();
var fallbackGraph = ridGraph.FirstOrDefault(g => g.Runtime == rid)
?? ridGraph.FirstOrDefault(g => g.Runtime == fallbackRid)
?? new RuntimeFallbacks("any");
foreach (var managed in dependencyContext.ResolveRuntimeAssemblies(fallbackGraph))
{
builder.AddManagedLibrary(managed);
}
foreach (var native in dependencyContext.ResolveNativeAssets(fallbackGraph))
{
builder.AddNativeLibrary(native);
}
return(builder);
}