drop support for pre-Pintail proxying

1 files changed, 0 insertions, 118 deletions

diff --git a/src/SMAPI/Framework/Reflection/OriginalInterfaceProxyBuilder.cs b/src/SMAPI/Framework/Reflection/OriginalInterfaceProxyBuilder.cs
deleted file mode 100644
index 9576f768..00000000
--- a/src/SMAPI/Framework/Reflection/OriginalInterfaceProxyBuilder.cs
+++ /dev/null
@@ -1,118 +0,0 @@
-using System;
-using System.Linq;
-using System.Reflection;
-using System.Reflection.Emit;
-
-namespace StardewModdingAPI.Framework.Reflection
-{
-    /// <summary>Generates a proxy class to access a mod API through an arbitrary interface.</summary>
-    internal class OriginalInterfaceProxyBuilder
-    {
-        /*********
-        ** Fields
-        *********/
-        /// <summary>The target class type.</summary>
-        private readonly Type TargetType;
-
-        /// <summary>The generated proxy type.</summary>
-        private readonly Type ProxyType;
-
-
-        /*********
-        ** Public methods
-        *********/
-        /// <summary>Construct an instance.</summary>
-        /// <param name="name">The type name to generate.</param>
-        /// <param name="moduleBuilder">The CLR module in which to create proxy classes.</param>
-        /// <param name="interfaceType">The interface type to implement.</param>
-        /// <param name="targetType">The target type.</param>
-        public OriginalInterfaceProxyBuilder(string name, ModuleBuilder moduleBuilder, Type interfaceType, Type targetType)
-        {
-            // validate
-            if (name == null)
-                throw new ArgumentNullException(nameof(name));
-            if (targetType == null)
-                throw new ArgumentNullException(nameof(targetType));
-
-            // define proxy type
-            TypeBuilder proxyBuilder = moduleBuilder.DefineType(name, TypeAttributes.Public | TypeAttributes.Class);
-            proxyBuilder.AddInterfaceImplementation(interfaceType);
-
-            // create field to store target instance
-            FieldBuilder targetField = proxyBuilder.DefineField("__Target", targetType, FieldAttributes.Private);
-
-            // create constructor which accepts target instance and sets field
-            {
-                ConstructorBuilder constructor = proxyBuilder.DefineConstructor(MethodAttributes.Public, CallingConventions.Standard | CallingConventions.HasThis, new[] { targetType });
-                ILGenerator il = constructor.GetILGenerator();
-
-                il.Emit(OpCodes.Ldarg_0); // this
-                // ReSharper disable once AssignNullToNotNullAttribute -- never null
-                il.Emit(OpCodes.Call, typeof(object).GetConstructor(Type.EmptyTypes)!); // call base constructor
-                il.Emit(OpCodes.Ldarg_0);      // this
-                il.Emit(OpCodes.Ldarg_1);      // load argument
-                il.Emit(OpCodes.Stfld, targetField); // set field to loaded argument
-                il.Emit(OpCodes.Ret);
-            }
-
-            // proxy methods
-            foreach (MethodInfo proxyMethod in interfaceType.GetMethods())
-            {
-                var targetMethod = targetType.GetMethod(proxyMethod.Name, proxyMethod.GetParameters().Select(a => a.ParameterType).ToArray());
-                if (targetMethod == null)
-                    throw new InvalidOperationException($"The {interfaceType.FullName} interface defines method {proxyMethod.Name} which doesn't exist in the API.");
-
-                this.ProxyMethod(proxyBuilder, targetMethod, targetField);
-            }
-
-            // save info
-            this.TargetType = targetType;
-            this.ProxyType = proxyBuilder.CreateType()!;
-        }
-
-        /// <summary>Create an instance of the proxy for a target instance.</summary>
-        /// <param name="targetInstance">The target instance.</param>
-        public object CreateInstance(object targetInstance)
-        {
-            ConstructorInfo? constructor = this.ProxyType.GetConstructor(new[] { this.TargetType });
-            if (constructor == null)
-                throw new InvalidOperationException($"Couldn't find the constructor for generated proxy type '{this.ProxyType.Name}'."); // should never happen
-            return constructor.Invoke(new[] { targetInstance });
-        }
-
-
-        /*********
-        ** Private methods
-        *********/
-        /// <summary>Define a method which proxies access to a method on the target.</summary>
-        /// <param name="proxyBuilder">The proxy type being generated.</param>
-        /// <param name="target">The target method.</param>
-        /// <param name="instanceField">The proxy field containing the API instance.</param>
-        private void ProxyMethod(TypeBuilder proxyBuilder, MethodInfo target, FieldBuilder instanceField)
-        {
-            Type[] argTypes = target.GetParameters().Select(a => a.ParameterType).ToArray();
-
-            // create method
-            MethodBuilder methodBuilder = proxyBuilder.DefineMethod(target.Name, MethodAttributes.Public | MethodAttributes.Final | MethodAttributes.Virtual);
-            methodBuilder.SetParameters(argTypes);
-            methodBuilder.SetReturnType(target.ReturnType);
-
-            // create method body
-            {
-                ILGenerator il = methodBuilder.GetILGenerator();
-
-                // load target instance
-                il.Emit(OpCodes.Ldarg_0);
-                il.Emit(OpCodes.Ldfld, instanceField);
-
-                // invoke target method on instance
-                for (int i = 0; i < argTypes.Length; i++)
-                    il.Emit(OpCodes.Ldarg, i + 1);
-                il.Emit(OpCodes.Call, target);
-
-                // return result
-                il.Emit(OpCodes.Ret);
-            }
-        }
-    }
-}