System.Xml.Serialization.XmlSerializationILGen.GenerateTypedSerializer C# (CSharp) Method

        internal string GenerateTypedSerializer(string readMethod, string writeMethod, XmlMapping mapping, CodeIdentifiers classes, string baseSerializer, string readerClass, string writerClass)
        {
            string serializerName = CodeIdentifier.MakeValid(Accessor.UnescapeName(mapping.Accessor.Mapping.TypeDesc.Name));
            serializerName = classes.AddUnique(serializerName + "Serializer", mapping);

            TypeBuilder typedSerializerTypeBuilder = CodeGenerator.CreateTypeBuilder(
                _moduleBuilder,
                CodeIdentifier.GetCSharpName(serializerName),
                TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.BeforeFieldInit,
                CreatedTypes[baseSerializer],
                Array.Empty<Type>()
                );

            ilg = new CodeGenerator(typedSerializerTypeBuilder);
            ilg.BeginMethod(
                typeof(Boolean),
                "CanDeserialize",
                new Type[] { typeof(XmlReader) },
                new string[] { "xmlReader" },
                CodeGenerator.PublicOverrideMethodAttributes
            );

            if (mapping.Accessor.Any)
            {
                ilg.Ldc(true);
                ilg.Stloc(ilg.ReturnLocal);
                ilg.Br(ilg.ReturnLabel);
            }
            else
            {
                MethodInfo XmlReader_IsStartElement = typeof(XmlReader).GetMethod(
                     "IsStartElement",
                     CodeGenerator.InstanceBindingFlags,
                     new Type[] { typeof(String), typeof(String) }
                     );
                ilg.Ldarg(ilg.GetArg("xmlReader"));
                ilg.Ldstr(GetCSharpString(mapping.Accessor.Name));
                ilg.Ldstr(GetCSharpString(mapping.Accessor.Namespace));
                ilg.Call(XmlReader_IsStartElement);
                ilg.Stloc(ilg.ReturnLocal);
                ilg.Br(ilg.ReturnLabel);
            }
            ilg.MarkLabel(ilg.ReturnLabel);
            ilg.Ldloc(ilg.ReturnLocal);
            ilg.EndMethod();

            if (writeMethod != null)
            {
                ilg = new CodeGenerator(typedSerializerTypeBuilder);
                ilg.BeginMethod(
                    typeof(void),
                    "Serialize",
                    new Type[] { typeof(object), typeof(XmlSerializationWriter) },
                    new string[] { "objectToSerialize", "writer" },
                    CodeGenerator.ProtectedOverrideMethodAttributes);
                MethodInfo writerType_writeMethod = CreatedTypes[writerClass].GetMethod(
                    writeMethod,
                    CodeGenerator.InstanceBindingFlags,
                    new Type[] { (mapping is XmlMembersMapping) ? typeof(object[]) : typeof(object) }
                    );
                ilg.Ldarg("writer");
                ilg.Castclass(CreatedTypes[writerClass]);
                ilg.Ldarg("objectToSerialize");
                if (mapping is XmlMembersMapping)
                {
                    ilg.ConvertValue(typeof(object), typeof(object[]));
                }
                ilg.Call(writerType_writeMethod);
                ilg.EndMethod();
            }
            if (readMethod != null)
            {
                ilg = new CodeGenerator(typedSerializerTypeBuilder);
                ilg.BeginMethod(
                    typeof(object),
                    "Deserialize",
                    new Type[] { typeof(XmlSerializationReader) },
                    new string[] { "reader" },
                    CodeGenerator.ProtectedOverrideMethodAttributes);
                MethodInfo readerType_readMethod = CreatedTypes[readerClass].GetMethod(
                    readMethod,
                    CodeGenerator.InstanceBindingFlags,
                    Array.Empty<Type>()
                    );
                ilg.Ldarg("reader");
                ilg.Castclass(CreatedTypes[readerClass]);
                ilg.Call(readerType_readMethod);
                ilg.EndMethod();
            }
            typedSerializerTypeBuilder.DefineDefaultConstructor(CodeGenerator.PublicMethodAttributes);
            Type typedSerializerType = typedSerializerTypeBuilder.CreateTypeInfo().AsType();
            CreatedTypes.Add(typedSerializerType.Name, typedSerializerType);

            return typedSerializerType.Name;
        }