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//
// System.RuntimeMethodHandle.cs
//
// Author:
// Miguel de Icaza (miguel@ximian.com)
// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
// (C) Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004-2005 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.Reflection;
using System.Runtime.Serialization;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Security.Permissions;
#if NET_2_0
using System.Runtime.ConstrainedExecution;
#endif
namespace System
{
#if NET_2_0
[ComVisible (true)]
#endif
[MonoTODO ("Serialization needs tests")]
[Serializable]
public struct RuntimeMethodHandle : ISerializable
{
IntPtr value;
internal RuntimeMethodHandle (IntPtr v)
{
value = v;
}
RuntimeMethodHandle (SerializationInfo info, StreamingContext context)
{
if (info == null)
throw new ArgumentNullException ("info");
MonoMethod mm = ((MonoMethod) info.GetValue ("MethodObj", typeof (MonoMethod)));
value = mm.MethodHandle.Value;
if (value == IntPtr.Zero)
throw new SerializationException (Locale.GetText ("Insufficient state."));
}
public IntPtr Value {
get {
return value;
}
}
// This is from ISerializable
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 ("MethodObj", (MonoMethod) MethodBase.GetMethodFromHandle (this), typeof (MonoMethod));
}
[MethodImpl (MethodImplOptions.InternalCall)]
static extern IntPtr GetFunctionPointer (IntPtr m);
[SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
public IntPtr GetFunctionPointer ()
{
return GetFunctionPointer (value);
}
#if NET_2_0
[ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
public override bool Equals (object obj)
{
if (obj == null || GetType () != obj.GetType ())
return false;
return value == ((RuntimeMethodHandle)obj).Value;
}
[ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
public bool Equals (RuntimeMethodHandle handle)
{
return value == handle.Value;
}
public override int GetHashCode ()
{
return value.GetHashCode ();
}
public static bool operator == (RuntimeMethodHandle left, RuntimeMethodHandle right)
{
return left.Equals (right);
}
public static bool operator != (RuntimeMethodHandle left, RuntimeMethodHandle right)
{
return !left.Equals (right);
}
#endif
}
}
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