1 files changed, 82 insertions, 0 deletions
diff --git a/mcs/ilasm/codegen/Types.cs b/mcs/ilasm/codegen/Types.cs
new file mode 100644
index 00000000000..a4f930991f1
--- /dev/null
+++ b/mcs/ilasm/codegen/Types.cs
@@ -0,0 +1,82 @@
+// Types.cs
+// (C) Sergey Chaban (serge@wildwestsoftware.com)
+
+using System;
+using System.Collections;
+using System.Reflection;
+
+namespace Mono.ILASM {
+
+	public class Types {
+
+		// maps default types to their library equivalents
+		private static Hashtable defaultTypes;
+		private static readonly object dummy;
+		private Hashtable userTypes;
+
+		static Types ()
+		{
+			dummy = new Object ();
+
+			defaultTypes = new Hashtable ();
+			Hashtable t = defaultTypes;
+
+			t ["object"]  = Type.GetType ("System.Object");
+			t ["string"]  = Type.GetType ("System.String");
+			t ["char"]    = Type.GetType ("System.Char");
+			t ["void"]    = Type.GetType ("System.Void");
+			t ["bool"]    = Type.GetType ("System.Boolean");
+			t ["int8"]    = Type.GetType ("System.Byte");
+			t ["int16"]   = Type.GetType ("System.Int16");
+			t ["int32"]   = Type.GetType ("System.Int32");
+			t ["int64"]   = Type.GetType ("System.Int64");
+			t ["float32"] = Type.GetType ("System.Single");
+			t ["float64"] = Type.GetType ("System.Double");
+			t ["uint8"]   = Type.GetType ("System.SByte");
+			t ["uint16"]  = Type.GetType ("System.UInt16");
+			t ["uint32"]  = Type.GetType ("System.UInt32");
+			t ["uint64"]  = Type.GetType ("System.UInt64");
+		}
+
+
+		/// <summary>
+		/// </summary>
+		public Types ()
+		{
+		}
+
+
+		/// <summary>
+		/// </summary>
+		/// <param name="typeName"></param>
+		/// <returns></returns>
+		public Type Lookup (string typeName)
+		{
+			Type res = defaultTypes [typeName] as Type;
+			return res;
+		}
+
+
+		/// <summary>
+		/// </summary>
+		/// <param name="name"></param>
+		/// <param name="type"></param>
+		public void Add (string name, Type type)
+		{
+			if (defaultTypes.Contains (name)) return;
+
+			if (userTypes == null) userTypes = new Hashtable ();
+			userTypes [name] = (type != null) ? type : dummy;
+		}
+
+
+		/// <summary>
+		/// </summary>
+		/// <param name="name"></param>
+		public void Add (string name){
+			Add (name, null);
+		}
+
+	}
+}
+