2 // System.TypedReference.cs
5 // Dick Porter (dick@ximian.com)
6 // Paolo Molaro (lupus@ximian.com)
8 // (C) Ximian, Inc. http://www.ximian.com
9 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Reflection;
32 using System.Runtime.CompilerServices;
33 using System.Security.Permissions;
34 using System.Runtime.InteropServices;
38 [CLSCompliant (false)]
40 public struct TypedReference
42 #pragma warning disable 169, 649
43 RuntimeTypeHandle type;
46 #pragma warning restore 169, 649
48 public override bool Equals (object o)
50 throw new NotSupportedException (Locale.GetText ("This operation is not supported for this type."));
53 public override int GetHashCode ()
55 if (type.Value == IntPtr.Zero)
57 return Type.GetTypeFromHandle (type).GetHashCode ();
60 public static Type GetTargetType (TypedReference value)
62 return Type.GetTypeFromHandle (value.type);
66 [CLSCompliant (false)]
67 [ReflectionPermission (SecurityAction.LinkDemand, MemberAccess = true)]
68 public static TypedReference MakeTypedReference (object target, FieldInfo[] flds)
71 throw new ArgumentNullException ("target");
74 throw new ArgumentNullException ("flds");
76 if (flds.Length == 0) {
77 throw new ArgumentException (Locale.GetText ("flds has no elements"));
79 throw new NotImplementedException ();
82 /* how can we set something in value if it's passed by value? */
84 [CLSCompliant (false)]
85 public static void SetTypedReference (TypedReference target, object value)
88 throw new ArgumentNullException ("value");
90 throw new NotImplementedException ();
93 public static RuntimeTypeHandle TargetTypeToken (TypedReference value)
98 [MethodImpl (MethodImplOptions.InternalCall)]
99 public extern static object ToObject (TypedReference value);