[NEW-FEATURE][IXC] When compiling referenced project we should not recompile what's been compiled already

src/AXSharp.compiler/src/AXSharp.Compiler/AXSharpProject.cs

@@ -200,10 +200,19 @@ private IEnumerable<ISyntaxTree> GetReferences()
         return refParseTrees;
     }
 
+    private static HashSet<string> compiled = new();
+
     private void CompileProjectReferences(IEnumerable<IReference> referencedDependencies)
     {
         foreach (var ixProjectReference in AxProject.AXSharpReferences)
         {
+
+            if (compiled.Contains(ixProjectReference.AxProjectFolder))
+            {
+                Log.Logger.Information($"Skipping '{ixProjectReference.AxProjectFolder}' compiled in this session previously");
+                continue;
+            }
+
             string apaxFolder = ixProjectReference.AxProjectFolder == null
                 ? referencedDependencies
                     .Where(p => p.IsIxDependency)
@@ -225,6 +234,10 @@ private void CompileProjectReferences(IEnumerable<IReference> referencedDependen
                 var project = new AXSharpProject(ax, BuilderTypes, targetProject.GetType());
 
                 project.Generate();
+
+            if(!string.IsNullOrEmpty(ixProjectReference.AxProjectFolder))
+                compiled.Add(ixProjectReference.AxProjectFolder);
+
         }
     }
 

src/AXSharp.compiler/src/ixc/Program.cs

@@ -82,7 +82,11 @@ private static AXSharpProject GenerateIxProject(Options o)
         var project = new AXSharpProject(ax, new[] { typeof(CsOnlinerSourceBuilder), typeof(CsPlainSourceBuilder) },
             typeof(CsProject), o);
 
+        var sw = new System.Diagnostics.Stopwatch();
+        sw.Start();
         project.Generate();
+        sw.Stop();
+        Log.Logger.Information($"Done in {TimeSpan.FromMilliseconds(sw.ElapsedMilliseconds)}");
         return project;
     }