diff --git a/Assets/Cryville/Common/Collections/Generic/PairCollection.cs b/Assets/Cryville/Common/Collections/Generic/PairCollection.cs
index 0dab6b2..01521e8 100644
--- a/Assets/Cryville/Common/Collections/Generic/PairCollection.cs
+++ b/Assets/Cryville/Common/Collections/Generic/PairCollection.cs
@@ -28,6 +28,10 @@ namespace Cryville.Common.Collections.Generic {
 			if (_pairList != null) _pairList.CopyTo(array, index);
 			else _dictionary.CopyTo(array, index);
 		}
+
+		public static bool IsPairCollection(Type type) {
+			return typeof(IPairList<TKey, TValue>).IsAssignableFrom(type) || typeof(IDictionary<TKey, TValue>).IsAssignableFrom(type);
+		}
 	}
 	internal class PairCollectionDebugView<TKey, TValue> {
 		readonly PairCollection<TKey, TValue> _self;
diff --git a/Assets/Cryville/Common/Collections/PairCollection.cs b/Assets/Cryville/Common/Collections/PairCollection.cs
index 780e8a4..8051b72 100644
--- a/Assets/Cryville/Common/Collections/PairCollection.cs
+++ b/Assets/Cryville/Common/Collections/PairCollection.cs
@@ -29,6 +29,10 @@ namespace Cryville.Common.Collections {
 			if (_pairList != null) _pairList.CopyTo(array, index);
 			else _dictionary.CopyTo(array, index);
 		}
+
+		public static bool IsPairCollection(Type type) {
+			return typeof(IPairList).IsAssignableFrom(type) || typeof(IDictionary).IsAssignableFrom(type);
+		}
 	}
 	internal class PairCollectionDebugView {
 		readonly PairCollection _self;
diff --git a/Assets/Cryville/Common/Pdt/PdtInterpreter.cs b/Assets/Cryville/Common/Pdt/PdtInterpreter.cs
index 54409ab..c405f33 100644
--- a/Assets/Cryville/Common/Pdt/PdtInterpreter.cs
+++ b/Assets/Cryville/Common/Pdt/PdtInterpreter.cs
@@ -229,7 +229,7 @@ namespace Cryville.Common.Pdt {
 		}
 		object InterpretObject(Type type) {
 			var result = ReflectionHelper.InvokeEmptyConstructor(type);
-			bool dictflag = typeof(IDictionary).IsAssignableFrom(type);
+			bool pcflag = PairCollection.IsPairCollection(type);
 			while (true) {
 				try { ws(); }
 				catch (IndexOutOfRangeException) { return result; }
@@ -241,69 +241,47 @@ namespace Cryville.Common.Pdt {
 				char c = GetChar();
 				switch (c) {
 					case '{':
-						if (dictflag) {
-							var ktype = type.GetGenericArguments()[0];
-							var ptype = type.GetGenericArguments()[1];
-							object key = _binder.ChangeType(pkey, ktype, null);
-							object value = InterpretObject(ptype);
-							((IDictionary)result).Add(key, value);
-						}
-						else {
-							MemberInfo prop = null;
-							bool flag = false;
-							if (pkey is string) prop = ReflectionHelper.GetMember(type, (string)pkey);
-							if (prop == null) flag = ReflectionHelper.TryFindMemberWithAttribute<ElementListAttribute>(type, out prop);
-							if (prop == null) throw new MissingMemberException(string.Format("The property \"{0}\" is not found", pkey));
-							Type ptype = ReflectionHelper.GetMemberType(prop);
-							if (flag) {
-								using (var collection = new PairCollection(ReflectionHelper.GetValue(prop, result))) {
-									var ktype = ptype.GetGenericArguments()[0];
-									var vtype = ptype.GetGenericArguments()[1];
-									object key = _binder.ChangeType(pkey, ktype, null);
-									object value = InterpretObject(vtype);
-									collection.Add(key, value);
-								}
-							}
-							else ReflectionHelper.SetValue(prop, result, InterpretObject(ptype));
-						}
+						InterpretObjectInternal<ElementListAttribute>(pcflag, type, pkey, result, type => InterpretObject(type));
 						break;
 					case ':':
 					case ';':
 						var exp = c == ';' ? _emptyexp : GetExp();
-						if (dictflag) {
-							var ktype = type.GetGenericArguments()[0];
-							var vtype = type.GetGenericArguments()[1];
-							object key = _binder.ChangeType(pkey, ktype, null);
-							object value = _binder.ChangeType(exp, vtype, null);
-							((IDictionary)result).Add(key, value);
-						}
-						else {
-							MemberInfo prop = null;
-							bool flag = false;
-							if (pkey is string) prop = ReflectionHelper.GetMember(type, (string)pkey);
-							if (prop == null) flag = ReflectionHelper.TryFindMemberWithAttribute<PropertyListAttribute>(type, out prop);
-							if (prop == null) throw new MissingMemberException(string.Format("The property \"{0}\" is not found", pkey));
-							var ptype = ReflectionHelper.GetMemberType(prop);
-							if (flag) {
-								using (var collection = new PairCollection(ReflectionHelper.GetValue(prop, result))) {
-									var ktype = ptype.GetGenericArguments()[0];
-									var vtype = ptype.GetGenericArguments()[1];
-									object key = _binder.ChangeType(pkey, ktype, null);
-									object value = _binder.ChangeType(exp, vtype, null);
-									collection.Add(key, value);
-								}
-							}
-							else {
-								object value = _binder.ChangeType(exp, ptype, null);
-								ReflectionHelper.SetValue(prop, result, value, _binder);
-							}
-						}
+						InterpretObjectInternal<PropertyListAttribute>(pcflag, type, pkey, result, type => _binder.ChangeType(exp, type, null));
 						break;
 					default:
 						throw new InvalidOperationException("Internal error: Invalid key interpretation");
 				}
 			}
 		}
+		void InterpretObjectInternal<T>(bool pcflag, Type type, object pkey, object result, Func<Type, object> vfunc) where T : Attribute {
+			if (pcflag) {
+				using (var collection = new PairCollection(result)) {
+					var ktype = type.GetGenericArguments()[0];
+					var ptype = type.GetGenericArguments()[1];
+					object key = _binder.ChangeType(pkey, ktype, null);
+					object value = vfunc(ptype);
+					collection.Add(key, value);
+				}
+			}
+			else {
+				MemberInfo prop = null;
+				bool flag = false;
+				if (pkey is string) prop = ReflectionHelper.GetMember(type, (string)pkey);
+				if (prop == null) flag = ReflectionHelper.TryFindMemberWithAttribute<T>(type, out prop);
+				if (prop == null) throw new MissingMemberException(string.Format("The property \"{0}\" is not found", pkey));
+				Type ptype = ReflectionHelper.GetMemberType(prop);
+				if (flag) {
+					using (var collection = new PairCollection(ReflectionHelper.GetValue(prop, result))) {
+						var ktype = ptype.GetGenericArguments()[0];
+						var vtype = ptype.GetGenericArguments()[1];
+						object key = _binder.ChangeType(pkey, ktype, null);
+						object value = vfunc(vtype);
+						collection.Add(key, value);
+					}
+				}
+				else ReflectionHelper.SetValue(prop, result, vfunc(ptype), _binder);
+			}
+		}
 		/// <summary>
 		/// Interprets a key from the current position.
 		/// </summary>