Fleshing out debugger types.

src/Xenia.Debug/ModuleList.cs

@@ -4,6 +4,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using xe.debug.proto;
 using Xenia.Debug.Utilities;
 
 namespace Xenia.Debug {
@@ -15,6 +16,32 @@ namespace Xenia.Debug {
       this.debugger = debugger;
     }
 
+    public async Task Invalidate() {
+      var fbb = debugger.BeginRequest();
+      ListModulesRequest.StartListModulesRequest(fbb);
+      int requestDataOffset = ListModulesRequest.EndListModulesRequest(fbb);
+      var response = await debugger.CommitRequest(
+          fbb, RequestData.ListModulesRequest, requestDataOffset);
+      ListModulesResponse responseData = new ListModulesResponse();
+      response.GetResponseData(responseData);
+
+      var pendingTasks = new List<Task>();
+      for (int i = 0; i < responseData.ModuleIdsLength; ++i) {
+        uint moduleHandle = responseData.GetModuleIds(i);
+        var module = modules.Find((m) => m.Handle == moduleHandle);
+        if (module == null) {
+          // Module not found.
+          module = new Module(debugger, moduleHandle);
+          pendingTasks.Add(module.Invalidate());
+        } else {
+          // Module already present.
+          // Modules are immutable, so ignore?
+        }
+      }
+
+      await Task.WhenAll(pendingTasks);
+    }
+
     public int Count {
       get {
         return modules.Count;