IL Emit for Dictionary

gistfile1.cs

static void WriteSerializerDictionary(ILGenerator il, Type type,
            MethodInfo getSetGetMethod, LocalBuilder msLocal,
            List<Action<ILGenerator>> actions) {
            var arguments = type.GetGenericArguments();
            var valueType = arguments[0];
            var keyType = arguments[1];
            var keyValuePairType = genericKeyValuePairType.MakeGenericType(keyType, valueType);
            var enumeratorLocal = il.DeclareLocal(
                genericEnumeratorType.MakeGenericType(keyValuePairType));
            var entryLocal = il.DeclareLocal(keyValuePairType);
            var startEnumeratorLabel = il.DefineLabel();
            var moveNextLabel = il.DefineLabel();
            var endEnumeratorLabel = il.DefineLabel();
            il.Emit(OpCodes.Ldarg_1);
            if (actions != null)
                actions.ForEach(action => action(il));
            il.Emit(OpCodes.Callvirt, getSetGetMethod);
            il.Emit(OpCodes.Callvirt,
                genericDictType.MakeGenericType(keyType, valueType)
                .GetMethod("GetEnumerator"));
            il.Emit(OpCodes.Stloc_S, enumeratorLocal.LocalIndex);
            il.BeginExceptionBlock();
            il.Emit(OpCodes.Br_S, startEnumeratorLabel);
            il.MarkLabel(moveNextLabel);
            il.Emit(OpCodes.Ldloca_S, enumeratorLocal.LocalIndex);
            il.Emit(OpCodes.Call,
                enumeratorLocal.LocalType.GetProperty("Current")
                .GetGetMethod());
            il.Emit(OpCodes.Stloc, entryLocal.LocalIndex);
            if (keyType.IsComplexType()) {
                //TODO:
            } else {
                il.Emit(OpCodes.Ldloc, msLocal.LocalIndex);
                il.Emit(OpCodes.Ldloca_S, entryLocal.LocalIndex);
                il.Emit(OpCodes.Call, keyValuePairType.GetProperty("Key").GetGetMethod());
                il.Emit(OpCodes.Ldc_I4, 1);
                il.Emit(OpCodes.Call, WriteBytesMethod.MakeGenericMethod(keyType));
            }
            if (valueType.IsComplexType()) {
                //TODO:
            } else {
                il.Emit(OpCodes.Ldloc, msLocal.LocalIndex);
                il.Emit(OpCodes.Ldloca_S, entryLocal.LocalIndex);
                il.Emit(OpCodes.Call, keyValuePairType.GetProperty("Value").GetGetMethod());
                il.Emit(OpCodes.Ldc_I4, 2);
                il.Emit(OpCodes.Call, WriteBytesMethod.MakeGenericMethod(valueType));
            }
            il.MarkLabel(startEnumeratorLabel);
            il.Emit(OpCodes.Ldloca_S, enumeratorLocal.LocalIndex);
            il.Emit(OpCodes.Call, enumeratorType.GetMethod("MoveNext", MethodBinding));
            il.Emit(OpCodes.Brtrue_S, moveNextLabel);
            il.Emit(OpCodes.Leave_S, endEnumeratorLabel);
            il.BeginFinallyBlock();
            il.Emit(OpCodes.Ldloca_S, enumeratorLocal.LocalIndex);
            il.Emit(OpCodes.Constrained, enumeratorLocal.LocalType);
            il.Emit(OpCodes.Callvirt, IDisposableDisposeMethod);
            il.Emit(OpCodes.Endfinally);
            il.EndExceptionBlock();
            il.MarkLabel(endEnumeratorLabel);
        }