//
// System.RuntimeTypeHandle.cs
//
-// Author:
+// Authors:
// Miguel de Icaza (miguel@ximian.com)
+// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) Ximian, Inc. http://www.ximian.com
//
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
using System.Runtime.Serialization;
+using System.Runtime.InteropServices;
+using System.Runtime.ConstrainedExecution;
-namespace System {
+namespace System
+{
+ [ComVisible (true)]
+ [Serializable]
+ public struct RuntimeTypeHandle : ISerializable
+ {
+ IntPtr value;
+
+ internal RuntimeTypeHandle (IntPtr val)
+ {
+ value = val;
+ }
+
+ RuntimeTypeHandle (SerializationInfo info, StreamingContext context)
+ {
+ if (info == null)
+ throw new ArgumentNullException ("info");
+
+ MonoType mt = ((MonoType) info.GetValue ("TypeObj", typeof (MonoType)));
+ value = mt.TypeHandle.Value;
+ if (value == IntPtr.Zero)
+ throw new SerializationException (Locale.GetText ("Insufficient state."));
+ }
- // FIXME: Implement me!
- public struct RuntimeTypeHandle : ISerializable {
- IntrPtr value;
-
public IntPtr Value {
get {
- return (IntPtr) value;
+ return value;
}
}
-
- // This is from ISerializable
- public void GetObjectData (SerializationInfo info, StreamingContext context)
- {
- // TODO: IMPLEMENT ME.
- }
+ public void GetObjectData (SerializationInfo info, StreamingContext context)
+ {
+ if (info == null)
+ throw new ArgumentNullException ("info");
+
+ if (value == IntPtr.Zero)
+ throw new SerializationException ("Object fields may not be properly initialized");
+
+ info.AddValue ("TypeObj", Type.GetTypeHandle (this), typeof (MonoType));
+ }
+
+ [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
+ public override bool Equals (object obj)
+ {
+ if (obj == null || GetType () != obj.GetType ())
+ return false;
+
+ return value == ((RuntimeTypeHandle)obj).Value;
+ }
+
+ [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
+ public bool Equals (RuntimeTypeHandle handle)
+ {
+ return value == handle.Value;
+ }
+
+ public override int GetHashCode ()
+ {
+ return value.GetHashCode ();
+ }
+
+ public static bool operator == (RuntimeTypeHandle left, Object right)
+ {
+ return (right != null) && (right is RuntimeTypeHandle) && left.Equals ((RuntimeTypeHandle)right);
+ }
+
+ public static bool operator != (RuntimeTypeHandle left, Object right)
+ {
+ return (right == null) || !(right is RuntimeTypeHandle) || !left.Equals ((RuntimeTypeHandle)right);
+ }
+
+ public static bool operator == (Object left, RuntimeTypeHandle right)
+ {
+ return (left != null) && (left is RuntimeTypeHandle) && ((RuntimeTypeHandle)left).Equals (right);
+ }
+
+ public static bool operator != (Object left, RuntimeTypeHandle right)
+ {
+ return (left == null) || !(left is RuntimeTypeHandle) || !((RuntimeTypeHandle)left).Equals (right);
+ }
+
+ [CLSCompliant (false)]
+ [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
+ public ModuleHandle GetModuleHandle ()
+ {
+ // Although MS' runtime is crashing here, we prefer throwing an exception.
+ // The check is needed because Type.GetTypeFromHandle returns null
+ // for zero handles.
+ if (value == IntPtr.Zero)
+ throw new InvalidOperationException ("Object fields may not be properly initialized");
+
+ return Type.GetTypeFromHandle (this).Module.ModuleHandle;
+ }
}
}