Removed lost and unused file (dotnet/corefx#38320)

Commit migrated from https://github.com/dotnet/corefx/commit/18198f5758b6aed66293eb0de675286902700899

diff --git a/src/libraries/System.Text.Json/src/JsonReflectionEmitMaterializer.cs b/src/libraries/System.Text.Json/src/JsonReflectionEmitMaterializer.cs
deleted file mode 100644 (file)
index 75897da..0000000
--- a/src/libraries/System.Text.Json/src/JsonReflectionEmitMaterializer.cs
+++ /dev/null
@@ -1,104 +0,0 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
-using System.Diagnostics;
-using System.Reflection;
-using System.Reflection.Emit;
-
-namespace System.Text.Json.Serialization
-{
-    internal class JsonReflectionEmitMaterializer : JsonMemberBasedClassMaterializer
-    {
-        public override JsonClassInfo.ConstructorDelegate CreateConstructor(Type type)
-        {
-            ConstructorInfo realMethod = type.GetConstructor(BindingFlags.Public | BindingFlags.NonPublic| BindingFlags.Instance, binder: null, Type.EmptyTypes, modifiers: null);
-            if (realMethod == null)
-                return null;
-
-            var dynamicMethod = new DynamicMethod(
-                realMethod.Name,
-                type,
-                Type.EmptyTypes,
-                typeof(JsonReflectionEmitMaterializer).Module,
-                skipVisibility: true);
-
-            if (dynamicMethod != null)
-            {
-                ILGenerator generator = dynamicMethod?.GetILGenerator();
-                if (generator != null)
-                {
-
-                    generator.Emit(OpCodes.Newobj, realMethod);
-                    generator.Emit(OpCodes.Ret);
-
-                    var result = (JsonClassInfo.ConstructorDelegate)dynamicMethod.CreateDelegate(typeof(JsonClassInfo.ConstructorDelegate));
-                    return result;
-                }
-            }
-
-            throw new InvalidOperationException(SR.Format(SR.SerializationUnableToCreateDynamicMethod, $"{type.FullName}.{realMethod.Name}"));
-        }
-
-        public override JsonPropertyInfo<TValue>.GetterDelegate CreateGetter<TValue>(PropertyInfo propertyInfo)
-        {
-            MethodInfo realMethod = propertyInfo.GetGetMethod();
-            Debug.Assert(realMethod != null);
-
-            var dynamicMethod = new DynamicMethod(
-                realMethod.Name,
-                typeof(TValue),
-                new Type[] { typeof(object) },
-                typeof(JsonReflectionEmitMaterializer).Module,
-                skipVisibility: true);
-
-            if (dynamicMethod != null)
-            {
-
-                ILGenerator generator = dynamicMethod?.GetILGenerator();
-                if (generator != null)
-                {
-                    generator.Emit(OpCodes.Ldarg_0);
-                    generator.EmitCall(OpCodes.Callvirt, realMethod, null);
-                    generator.Emit(OpCodes.Ret);
-
-                    var result = (JsonPropertyInfo<TValue>.GetterDelegate)dynamicMethod.CreateDelegate(typeof(JsonPropertyInfo<TValue>.GetterDelegate));
-                    return result;
-                }
-            }
-
-            throw new InvalidOperationException(SR.Format(SR.SerializationUnableToCreateDynamicMethod, $"{propertyInfo.Name}.{realMethod.Name}"));
-        }
-
-        public override JsonPropertyInfo<TValue>.SetterDelegate CreateSetter<TValue>(PropertyInfo propertyInfo)
-        {
-            MethodInfo realMethod = propertyInfo.GetSetMethod();
-            Debug.Assert(realMethod != null);
-
-            var dynamicMethod = new DynamicMethod(
-                realMethod.Name,
-                typeof(void),
-                new Type[] { typeof(object), typeof(TValue) },
-                typeof(JsonReflectionEmitMaterializer).Module,
-                skipVisibility: true);
-
-            if (dynamicMethod != null)
-            {
-                ILGenerator generator = dynamicMethod?.GetILGenerator();
-                if (generator != null)
-                {
-
-                    generator.Emit(OpCodes.Ldarg_0);
-                    generator.Emit(OpCodes.Ldarg_1);
-                    generator.EmitCall(OpCodes.Callvirt, realMethod, null);
-                    generator.Emit(OpCodes.Ret);
-
-                    var result = (JsonPropertyInfo<TValue>.SetterDelegate)dynamicMethod.CreateDelegate(typeof(JsonPropertyInfo<TValue>.SetterDelegate));
-                    return result;
-                }
-            }
-
-            throw new InvalidOperationException(SR.Format(SR.SerializationUnableToCreateDynamicMethod, $"{propertyInfo.Name}.{realMethod.Name}"));
-        }
-    }
-}