private static WeakReference LoadAndExecute(byte[] compiledAssembly, string[] args)
{
using (var asm = new MemoryStream(compiledAssembly))
{
var assemblyLoadContext = new SimpleUnloadableAssemblyLoadContext();
var assembly = assemblyLoadContext.LoadFromStream(asm);
var entry = assembly.EntryPoint;
_ = entry != null && entry.GetParameters().Length > 0
? entry.Invoke(null, new object[] { args })
: entry.Invoke(null, null);
assemblyLoadContext.Unload();
return(new WeakReference(assemblyLoadContext));
}
}
public TWrapper Compile <TWrapper>(string code, string typeFullName) where TWrapper : CodeDomTypeWrapper
{
var sourceLanguage = new CSharpLanguage();
SyntaxTree syntaxTree = sourceLanguage.ParseText(code, SourceCodeKind.Regular);
var @interface = typeof(TWrapper).GetInterfaces()[0];
var reference = MetadataReference.CreateFromFile(@interface.Assembly.Location);
var assemblyName = typeof(List <>).GetTypeInfo().Assembly.Location;
var systemCollectionReference =
MetadataReference.CreateFromFile(typeof(List <>).GetTypeInfo().Assembly.Location);
var systemCollectionReference2 = MetadataReference.CreateFromFile(Assembly.Load("System.Collections, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a").Location);
Compilation compilation = sourceLanguage
.CreateLibraryCompilation(assemblyName: "InMemoryAssembly", enableOptimisations: false)
.AddReferences(new List <MetadataReference>()
{
reference, systemCollectionReference2
})
.AddSyntaxTrees(syntaxTree);
var lst = new List <string>();
var stream = new MemoryStream();
var emitResult = compilation.Emit(stream);
if (emitResult.Success)
{
stream.Seek(0, SeekOrigin.Begin);
var assemblyLoadContext = new SimpleUnloadableAssemblyLoadContext();
var assembly = assemblyLoadContext.LoadFromStream(stream);
var wrappedType = assembly.GetType(typeFullName);
var obj = Activator.CreateInstance(wrappedType);
var codeDomWrapper = (TWrapper)Activator.CreateInstance(typeof(TWrapper), new object[] { wrappedType });
return(codeDomWrapper);
}
return(null);
}
