2 // System.RuntimeMethodHandle.cs
5 // Miguel de Icaza (miguel@ximian.com)
6 // Andreas Nahr (ClassDevelopment@A-SoftTech.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
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31 using System.Reflection;
32 using System.Runtime.Serialization;
33 using System.Runtime.CompilerServices;
34 using System.Runtime.InteropServices;
35 using System.Security.Permissions;
36 using System.Runtime.ConstrainedExecution;
42 public struct RuntimeMethodHandle : ISerializable
46 internal RuntimeMethodHandle (IntPtr v)
51 RuntimeMethodHandle (SerializationInfo info, StreamingContext context)
54 throw new ArgumentNullException ("info");
56 MonoMethod mm = ((MonoMethod) info.GetValue ("MethodObj", typeof (MonoMethod)));
57 value = mm.MethodHandle.Value;
58 if (value == IntPtr.Zero)
59 throw new SerializationException (Locale.GetText ("Insufficient state."));
68 // This is from ISerializable
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 ("MethodObj", (MonoMethod) MethodBase.GetMethodFromHandle (this), typeof (MonoMethod));
80 [MethodImpl (MethodImplOptions.InternalCall)]
81 static extern IntPtr GetFunctionPointer (IntPtr m);
83 [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
84 public IntPtr GetFunctionPointer ()
86 return GetFunctionPointer (value);
89 [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
90 public override bool Equals (object obj)
92 if (obj == null || GetType () != obj.GetType ())
95 return value == ((RuntimeMethodHandle)obj).Value;
98 [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
99 public bool Equals (RuntimeMethodHandle handle)
101 return value == handle.Value;
104 public override int GetHashCode ()
106 return value.GetHashCode ();
109 public static bool operator == (RuntimeMethodHandle left, RuntimeMethodHandle right)
111 return left.Equals (right);
114 public static bool operator != (RuntimeMethodHandle left, RuntimeMethodHandle right)
116 return !left.Equals (right);