Add VRChat and GitHub packages to Unity project

Assets/Udon/Serialization/OdinSerializer/Utilities/Extensions/MethodInfoExtensions.cs

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+//-----------------------------------------------------------------------
+// <copyright file="MethodInfoExtensions.cs" company="Sirenix IVS">
+// Copyright (c) 2018 Sirenix IVS
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace VRC.Udon.Serialization.OdinSerializer.Utilities
+{
+    using System;
+    using System.Linq;
+    using System.Reflection;
+    using System.Runtime.CompilerServices;
+    using System.Text;
+
+    /// <summary>
+    /// Various extensions for MethodInfo.
+    /// </summary>
+    public static class MethodInfoExtensions
+    {
+        /// <summary>
+        /// Returns the specified method's full name "methodName(argType1 arg1, argType2 arg2, etc)"
+        /// Uses the specified gauntlet to replaces type names, ex: "int" instead of "Int32"
+        /// </summary>
+        public static string GetFullName(this MethodBase method, string extensionMethodPrefix)
+        {
+            var builder = new StringBuilder();
+            bool isExtensionMethod = method.IsExtensionMethod();
+
+            if (isExtensionMethod)
+            {
+                builder.Append(extensionMethodPrefix);
+            }
+
+            builder.Append(method.Name);
+            builder.Append("(");
+            builder.Append(method.GetParamsNames());
+            builder.Append(")");
+            return builder.ToString();
+        }
+
+        /// <summary>
+        /// Returns a string representing the passed method parameters names. Ex "int num, float damage, Transform target"
+        /// </summary>
+        public static string GetParamsNames(this MethodBase method)
+        {
+            ParameterInfo[] pinfos = method.IsExtensionMethod() ? method.GetParameters().Skip(1).ToArray() : method.GetParameters();
+            var builder = new StringBuilder();
+
+            for (int i = 0, len = pinfos.Length; i < len; i++)
+            {
+                var param = pinfos[i];
+                var paramTypeName = param.ParameterType.GetNiceName();
+                builder.Append(paramTypeName);
+                builder.Append(" ");
+                builder.Append(param.Name);
+
+                if (i < len - 1)
+                {
+                    builder.Append(", ");
+                }
+            }
+
+            return builder.ToString();
+        }
+
+        /// <summary>
+        /// Returns the specified method's full name.
+        /// </summary>
+        public static string GetFullName(this MethodBase method)
+        {
+            return GetFullName(method, "[ext] ");
+        }
+
+        /// <summary>
+        /// Tests if a method is an extension method.
+        /// </summary>
+        public static bool IsExtensionMethod(this MethodBase method)
+        {
+            var type = method.DeclaringType;
+            return type.IsSealed &&
+                !type.IsGenericType &&
+                !type.IsNested &&
+                method.IsDefined(typeof(ExtensionAttribute), false);
+        }
+
+        /// <summary>
+        /// Determines whether the specified method is an alias.
+        /// </summary>
+        /// <param name="methodInfo">The method to check.</param>
+        /// <returns>
+        ///   <c>true</c> if the specified method is an alias; otherwise, <c>false</c>.
+        /// </returns>
+        public static bool IsAliasMethod(this MethodInfo methodInfo)
+        {
+            return methodInfo is MemberAliasMethodInfo;
+        }
+
+        /// <summary>
+        /// Returns the original, backing method of an alias method if the method is an alias.
+        /// </summary>
+        /// <param name="methodInfo">The method to check.</param>
+        /// /// <param name="throwOnNotAliased">if set to <c>true</c> an exception will be thrown if the method is not aliased.</param>
+        /// <returns></returns>
+        /// <exception cref="System.ArgumentException">The method was not aliased; this only occurs if throwOnNotAliased is true.</exception>
+        public static MethodInfo DeAliasMethod(this MethodInfo methodInfo, bool throwOnNotAliased = false)
+        {
+            MemberAliasMethodInfo aliasMethodInfo = methodInfo as MemberAliasMethodInfo;
+
+            if (aliasMethodInfo != null)
+            {
+                while (aliasMethodInfo.AliasedMethod is MemberAliasMethodInfo)
+                {
+                    aliasMethodInfo = aliasMethodInfo.AliasedMethod as MemberAliasMethodInfo;
+                }
+
+                return aliasMethodInfo.AliasedMethod;
+            }
+
+            if (throwOnNotAliased)
+            {
+                throw new ArgumentException("The method " + methodInfo.GetNiceName() + " was not aliased.");
+            }
+
+            return methodInfo;
+        }
+    }
+}