128 lines
4.0 KiB
C#
128 lines
4.0 KiB
C#
//
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// System.RuntimeFieldHandle.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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//
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//
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// Copyright (C) 2004 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.InteropServices;
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using System.Runtime.ConstrainedExecution;
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using System.Runtime.CompilerServices;
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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 RuntimeFieldHandle : ISerializable
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{
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IntPtr value;
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internal RuntimeFieldHandle (IntPtr v)
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{
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value = v;
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}
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RuntimeFieldHandle (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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MonoField mf = ((MonoField) info.GetValue ("FieldObj", typeof (MonoField)));
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value = mf.FieldHandle.Value;
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if (value == IntPtr.Zero)
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throw new SerializationException (Locale.GetText ("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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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 ("FieldObj", (MonoField) FieldInfo.GetFieldFromHandle (this), typeof (MonoField));
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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 == ((RuntimeFieldHandle)obj).Value;
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}
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[ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
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public bool Equals (RuntimeFieldHandle 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 == (RuntimeFieldHandle left, RuntimeFieldHandle 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 != (RuntimeFieldHandle left, RuntimeFieldHandle right)
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{
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return !left.Equals (right);
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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static extern void SetValueInternal (FieldInfo fi, object obj, object value);
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internal static void SetValue (RtFieldInfo field, Object obj, Object value, RuntimeType fieldType, FieldAttributes fieldAttr, RuntimeType declaringType, ref bool domainInitialized)
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{
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SetValueInternal (field, obj, value);
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}
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unsafe internal static Object GetValueDirect (RtFieldInfo field, RuntimeType fieldType, void *pTypedRef, RuntimeType contextType)
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{
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throw new NotImplementedException ("GetValueDirect");
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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static unsafe extern internal void SetValueDirect (RtFieldInfo field, RuntimeType fieldType, void* pTypedRef, Object value, RuntimeType contextType);
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}
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}
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