138 lines
3.9 KiB
C#
138 lines
3.9 KiB
C#
//
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// System.RuntimeMethodHandle.cs
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//
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// Author:
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// Miguel de Icaza (miguel@ximian.com)
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// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
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//
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// (C) Ximian, Inc. http://www.ximian.com
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// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Reflection;
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using System.Runtime.Serialization;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Runtime.ConstrainedExecution;
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using System.Text;
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namespace System
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{
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[ComVisible (true)]
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[Serializable]
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public struct RuntimeMethodHandle : ISerializable
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{
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IntPtr value;
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internal RuntimeMethodHandle (IntPtr v)
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{
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value = v;
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}
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RuntimeMethodHandle (SerializationInfo info, StreamingContext context)
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{
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if (info == null)
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throw new ArgumentNullException ("info");
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RuntimeMethodInfo mm = ((RuntimeMethodInfo) info.GetValue ("MethodObj", typeof (RuntimeMethodInfo)));
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value = mm.MethodHandle.Value;
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if (value == IntPtr.Zero)
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throw new SerializationException ("Insufficient state.");
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}
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public IntPtr Value {
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get {
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return value;
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}
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}
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// This is from ISerializable
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public void GetObjectData (SerializationInfo info, StreamingContext context)
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{
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if (info == null)
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throw new ArgumentNullException ("info");
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if (value == IntPtr.Zero)
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throw new SerializationException ("Object fields may not be properly initialized");
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info.AddValue ("MethodObj", (RuntimeMethodInfo) MethodBase.GetMethodFromHandle (this), typeof (RuntimeMethodInfo));
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}
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[MethodImpl (MethodImplOptions.InternalCall)]
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static extern IntPtr GetFunctionPointer (IntPtr m);
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public IntPtr GetFunctionPointer ()
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{
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return GetFunctionPointer (value);
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}
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[ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
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public override bool Equals (object obj)
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{
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if (obj == null || GetType () != obj.GetType ())
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return false;
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return value == ((RuntimeMethodHandle)obj).Value;
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}
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[ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
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public bool Equals (RuntimeMethodHandle handle)
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{
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return value == handle.Value;
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}
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public override int GetHashCode ()
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{
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return value.GetHashCode ();
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}
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public static bool operator == (RuntimeMethodHandle left, RuntimeMethodHandle right)
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{
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return left.Equals (right);
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}
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public static bool operator != (RuntimeMethodHandle left, RuntimeMethodHandle right)
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{
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return !left.Equals (right);
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}
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internal static string ConstructInstantiation (RuntimeMethodInfo method, TypeNameFormatFlags format)
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{
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var sb = new StringBuilder ();
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var gen_params = method.GetGenericArguments ();
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sb.Append ("[");
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for (int j = 0; j < gen_params.Length; j++) {
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if (j > 0)
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sb.Append (",");
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sb.Append (gen_params [j].Name);
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}
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sb.Append ("]");
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return sb.ToString ();
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}
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internal bool IsNullHandle ()
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{
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return value == IntPtr.Zero;
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}
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}
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}
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