[new] 新增 AOTAssemblyMetadataStripper用于剔除AOT dll中非泛型函数元数据

Editor/AOT/AOTAssemblyMetadataStripper.cs

@@ -0,0 +1,46 @@
+using dnlib.DotNet;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HybridCLR.Editor.AOT
+{
+    public class AOTAssemblyMetadataStripper
+    {
+        public static byte[] Strip(byte[] assemblyBytes)
+        {
+            var mod = ModuleDefMD.Load(assemblyBytes);
+            foreach (var type in mod.GetTypes())
+            {
+                if (type.HasGenericParameters)
+                {
+                    continue;
+                }
+                foreach (var method in type.Methods)
+                {
+                    if (!method.HasBody || method.HasGenericParameters)
+                    {
+                        continue;
+                    }
+                    method.Body = null;
+                }
+            }
+            var writer = new System.IO.MemoryStream();
+            mod.Write(writer);
+            writer.Flush();
+            return writer.ToArray();
+        }
+
+        public static void Strip(string originalAssemblyPath, string strippedAssemblyPath)
+        {
+            byte[] originDllBytes = System.IO.File.ReadAllBytes(originalAssemblyPath);
+            byte[] strippedDllBytes = Strip(originDllBytes);
+            UnityEngine.Debug.Log($"aot dll:{originalAssemblyPath}, length: {originDllBytes.Length} -> {strippedDllBytes.Length}, stripping rate:{(originDllBytes.Length - strippedDllBytes.Length)/(double)originDllBytes.Length} ");
+            Directory.CreateDirectory(System.IO.Path.GetDirectoryName(strippedAssemblyPath));
+            System.IO.File.WriteAllBytes(strippedAssemblyPath, strippedDllBytes);
+        }
+    }
+}

Editor/AOT/AOTAssemblyMetadataStripper.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 7e9e6a048682dcb4fab806251411f29f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: