/// <summary>
/// Initializes a new instance of the <see cref="AppDomainIntellisenseSession"/> class.
/// </summary>
/// <param name="assembliesToLoad">
/// The assemblies.
/// </param>
/// <param name="fallbackConnectQl">
/// The fallback ConnectQl assembly when no reference is available in the project.
/// </param>
public AppDomainIntellisenseSession(IList <string> assembliesToLoad, string fallbackConnectQl)
{
var sw = Stopwatch.StartNew();
var referencedAssemblies = new List <Assembly>();
var loadedAssemblies = new List <LoadedAssembly> {
new LoadedAssembly(this.GetType().Assembly)
};
AppDomain.CurrentDomain.AssemblyResolve += AppDomainIntellisenseSession.CreateAssemblyResolver(loadedAssemblies);
AppDomainIntellisenseSession.LoadAssemblies(
assembliesToLoad.Where(AppDomainIntellisenseSession.IsIntellisenseAssembly),
referencedAssemblies,
loadedAssemblies);
var connectQl = AppDomainIntellisenseSession.GetConnectQlAssembly(fallbackConnectQl, loadedAssemblies, referencedAssemblies);
var assemblyLookup = loadedAssemblies.ToDictionary(a => a.Assembly.GetName().ToString());
var pluginLoaderType = connectQl.GetType("ConnectQl.Intellisense.AssemblyPluginResolver");
var pluginLoader = Activator.CreateInstance(pluginLoaderType, referencedAssemblies);
var contextType = connectQl.GetType("ConnectQl.ConnectQlContext");
var contextInterfaceType = connectQl.GetType("ConnectQl.Intellisense.IConnectQlContext");
var createSession = connectQl.GetType("ConnectQl.Intellisense.ConnectQlExtensions").GetMethod("CreateIntellisenseSession");
var sessionType = connectQl.GetType("ConnectQl.Intellisense.IntellisenseSession");
this.context = Activator.CreateInstance(contextType, pluginLoader);
this.session = createSession.Invoke(null, new[] { this.context });
this.executeToByteArrayAsync = contextInterfaceType?.GetMethod("ExecuteToByteArrayAsync");
this.getDocument = sessionType.GetMethod("GetDocumentAsByteArray");
this.removeDocument = sessionType.GetMethod("RemoveDocument");
this.updateDocument = sessionType.GetMethod("UpdateDocument");
this.updateDocumentSpan = sessionType.GetMethod("UpdateDocumentSpan");
sessionType.GetEvent("InternalDocumentUpdated", BindingFlags.Public | BindingFlags.Instance)
?.AddEventHandler(this.session, Delegate.CreateDelegate(typeof(EventHandler <byte[]>), this, nameof(this.HandleEvent)));
Debug.WriteLine($"Intellisense load took {sw.ElapsedMilliseconds}ms.");
AppDomainIntellisenseSession.LoadAssemblies(
assembliesToLoad.Where(a => !AppDomainIntellisenseSession.IsIntellisenseAssembly(a)),
referencedAssemblies,
loadedAssemblies);
AppDomainIntellisenseSession.LoadReferencesRecursively(loadedAssemblies, assemblyLookup);
pluginLoaderType.GetProperty("IsLoading")?.SetValue(pluginLoader, false);
pluginLoaderType.GetMethod("AddAssemblies")?.Invoke(pluginLoader, new object[] { referencedAssemblies });
Debug.WriteLine($"Appdomain load took {sw.ElapsedMilliseconds}ms.");
}
/// <summary>
/// Loads the assembly references recursively.
/// </summary>
/// <param name="assemblies">
/// The assemblies.
/// </param>
/// <param name="assemblyLookup">
/// The assembly lookup.
/// </param>
private static void LoadReferencesRecursively(List <LoadedAssembly> assemblies, IDictionary <string, LoadedAssembly> assemblyLookup)
{
var extraAssemblies = new List <LoadedAssembly>();
foreach (var loadedAssembly in assemblies.ToArray())
{
try
{
foreach (var reference in loadedAssembly.Assembly.GetReferencedAssemblies())
{
if (assemblyLookup.Any(a => a.Key.Split(',')[0].Equals(reference.ToString().Split(',')[0], StringComparison.OrdinalIgnoreCase)))
{
continue;
}
try
{
var dlls = new[]
{
$"{reference.Name}.dll",
Path.Combine(Path.GetDirectoryName(loadedAssembly.Path) ?? string.Empty, $"{reference.Name}.dll")
};
var dll = dlls.FirstOrDefault(File.Exists);
if (dll != null)
{
var pdb = Regex.Replace(dll, @"\.dll$", ".pdb", RegexOptions.IgnoreCase);
var assembly = Assembly.Load(File.ReadAllBytes(dll), File.Exists(pdb) ? File.ReadAllBytes(pdb) : null, SecurityContextSource.CurrentAppDomain);
var loaded = new LoadedAssembly(assembly, dll);
extraAssemblies.Add(loaded);
assemblyLookup[assembly.GetName().ToString()] = loaded;
}
}
catch (FileNotFoundException)
{
}
}
}
catch
{
//// Do nothing.
}
}
if (extraAssemblies.Count > 0)
{
AppDomainIntellisenseSession.LoadReferencesRecursively(extraAssemblies, assemblyLookup);
assemblies.AddRange(extraAssemblies);
}
}