2 // System.RuntimeFieldHandle.cs
5 // Miguel de Icaza (miguel@ximian.com)
6 // Andreas Nahr (ClassDevelopment@A-SoftTech.com)
8 // (C) Ximian, Inc. http://www.ximian.com
12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
14 // Permission is hereby granted, free of charge, to any person obtaining
15 // a copy of this software and associated documentation files (the
16 // "Software"), to deal in the Software without restriction, including
17 // without limitation the rights to use, copy, modify, merge, publish,
18 // distribute, sublicense, and/or sell copies of the Software, and to
19 // permit persons to whom the Software is furnished to do so, subject to
20 // the following conditions:
22 // The above copyright notice and this permission notice shall be
23 // included in all copies or substantial portions of the Software.
25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Reflection;
35 using System.Runtime.Serialization;
36 using System.Runtime.InteropServices;
37 using System.Runtime.ConstrainedExecution;
43 public struct RuntimeFieldHandle : ISerializable
47 internal RuntimeFieldHandle (IntPtr v)
52 RuntimeFieldHandle (SerializationInfo info, StreamingContext context)
55 throw new ArgumentNullException ("info");
57 MonoField mf = ((MonoField) info.GetValue ("FieldObj", typeof (MonoField)));
58 value = mf.FieldHandle.Value;
59 if (value == IntPtr.Zero)
60 throw new SerializationException (Locale.GetText ("Insufficient state."));
69 public void GetObjectData (SerializationInfo info, StreamingContext context)
72 throw new ArgumentNullException ("info");
74 if (value == IntPtr.Zero)
75 throw new SerializationException ("Object fields may not be properly initialized");
77 info.AddValue ("FieldObj", (MonoField) FieldInfo.GetFieldFromHandle (this), typeof (MonoField));
80 [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
81 public override bool Equals (object obj)
83 if (obj == null || GetType () != obj.GetType ())
86 return value == ((RuntimeFieldHandle)obj).Value;
89 [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
90 public bool Equals (RuntimeFieldHandle handle)
92 return value == handle.Value;
95 public override int GetHashCode ()
97 return value.GetHashCode ();
100 public static bool operator == (RuntimeFieldHandle left, RuntimeFieldHandle right)
102 return left.Equals (right);
105 public static bool operator != (RuntimeFieldHandle left, RuntimeFieldHandle right)
107 return !left.Equals (right);