feat: autoreg in runtime

CodeGen/Editor/PostProcessorReflectionImporter.cs

@@ -0,0 +1,32 @@
+using System.Linq;
+using System.Reflection;
+using Mono.Cecil;
+
+namespace ShrinkEventBus.CodeGen
+{
+    internal class PostProcessorReflectionImporter : DefaultReflectionImporter
+    {
+        private const string CoreLibName = "System.Private.CoreLib";
+        private readonly AssemblyNameReference _corlib;
+
+        public PostProcessorReflectionImporter(ModuleDefinition module) : base(module)
+        {
+            _corlib = module.AssemblyReferences.FirstOrDefault(
+                a => a.Name is "mscorlib" or "netstandard");
+        }
+
+        public override AssemblyNameReference ImportReference(AssemblyName reference)
+        {
+            if (_corlib != null && reference.Name == CoreLibName)
+                return _corlib;
+
+            return base.ImportReference(reference);
+        }
+    }
+
+    internal class PostProcessorReflectionImporterProvider : IReflectionImporterProvider
+    {
+        public IReflectionImporter GetReflectionImporter(ModuleDefinition module)
+            => new PostProcessorReflectionImporter(module);
+    }
+}