First commit.

Author: ichenpipi

.gitignore

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+# Changelog
+
+## [1.0.0] - 2023-08-20
+
+- Release

CHANGELOG.md

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+{
+    "name": "ChenPipi.CodeExecutor.Editor",
+    "rootNamespace": "",
+    "references": [
+        "GUID:343deaaf83e0cee4ca978e7df0b80d21",
+        "GUID:2bafac87e7f4b9b418d9448d219b01ab"
+    ],
+    "includePlatforms": [
+        "Editor"
+    ],
+    "excludePlatforms": [],
+    "allowUnsafeCode": false,
+    "overrideReferences": false,
+    "precompiledReferences": [],
+    "autoReferenced": true,
+    "defineConstraints": [],
+    "versionDefines": [],
+    "noEngineReferences": false
+}

CHANGELOG.md.meta

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+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using JetBrains.Annotations;
+using UnityEditor;
+
+namespace ChenPipi.CodeExecutor.Editor
+{
+
+    /// <summary>
+    /// 用于注册 Code Executor 执行模式的 Attribute，提供了控制函数执行顺序的能力，来达到控制执行模式注册顺序的目的
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Method)]
+    [MeansImplicitUse]
+    public class CodeExecutorRegistrationAttribute : Attribute
+    {
+
+        /// <summary>
+        /// 执行顺序（该值越小则函数越先执行）
+        /// </summary>
+        public int order { get; }
+
+        /// <param name="order">执行顺序（该值越小则函数越先执行）</param>
+        public CodeExecutorRegistrationAttribute(int order = 10)
+        {
+            this.order = order;
+        }
+
+        /// <summary>
+        /// 注册器
+        /// </summary>
+        [InitializeOnLoadMethod]
+        private static void Registrar()
+        {
+            List<(MethodInfo method, int order)> list = new List<(MethodInfo method, int order)>();
+            foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies())
+            {
+                foreach (Type type in assembly.GetTypes())
+                {
+                    foreach (MethodInfo method in type.GetMethods(BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.Public))
+                    {
+                        object[] attributes = method.GetCustomAttributes(typeof(CodeExecutorRegistrationAttribute), false);
+                        if (attributes.Length == 0)
+                        {
+                            continue;
+                        }
+                        CodeExecutorRegistrationAttribute attribute = attributes[0] as CodeExecutorRegistrationAttribute;
+                        list.Add((method, attribute!.order));
+                    }
+                }
+            }
+
+            list.Sort((a, b) => a.order - b.order);
+
+            foreach ((MethodInfo method, int order) item in list)
+            {
+                item.method.Invoke(null, null);
+            }
+        }
+
+    }
+
+}