Bugfix for inaccessible interfaces

src/SourceInject/Generator.cs

@@ -69,9 +69,15 @@ public void Execute(GeneratorExecutionContext context)
                     break;
                 default:
                     break;
-            }
+            }
             foreach (var interf in ((ITypeSymbol)symbol).AllInterfaces)
-            {
+            {
+                if (interf.DeclaredAccessibility != Accessibility.Public &&
+                    !SymbolEqualityComparer.Default.Equals(interf.ContainingModule, context.Compilation.SourceModule))
+                {
+                    continue;
+                }
+
                 switch (lifetime)
                 {
                     case Lifetime.Singleton:

test/ConsoleApp/ExampleService.cs

@@ -1,9 +1,10 @@
+using Lib;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace ConsoleApp;
 
 [Inject]
-public class ExampleService
+public class ExampleService : LibBaseService, IExampleService
 {
     private readonly AnotherService anotherService;
 
@@ -19,7 +20,7 @@ public interface IAnotherService
 }
 
 [Inject(ServiceLifetime.Singleton)]
-public class AnotherService : IAnotherService
+public class AnotherService : LibBaseService, IAnotherService
 {
     public string Value => "Hello World!";
 }

test/ConsoleApp/IExampleService.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConsoleApp
+{
+    internal interface IExampleService
+    {
+    }
+}

test/Lib/ILibInternalInterface.cs

@@ -0,0 +1,6 @@
+namespace Lib
+{
+    internal interface ILibInternalInterface
+    {
+    }
+}

test/Lib/ILibPublicInterface.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Lib
+{
+    public interface ILibPublicInterface
+    {
+    }
+}

test/Lib/LibBaseService.cs

@@ -0,0 +1,6 @@
+namespace Lib
+{
+    public class LibBaseService : ILibInternalInterface, ILibPublicInterface
+    {
+    }
+}