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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
**
**
**
**
** Purpose: Represents a Field to the ILGenerator Class
**
**
===========================================================*/
namespace System.Reflection.Emit {
using System;
using System.Reflection;
// The FieldToken class is an opaque representation of the Token returned
// by the Metadata to represent the field. FieldTokens are generated by
// Module.GetFieldToken(). There are no meaningful accessors on this class,
// but it can be passed to ILGenerator which understands it's internals.
[Serializable]
public struct FieldToken
{
public static readonly FieldToken Empty = new FieldToken();
internal int m_fieldTok;
internal Object m_class;
// Creates an empty FieldToken. A publicly visible constructor so that
// it can be created on the stack.
//public FieldToken() {
// m_fieldTok=0;
// m_attributes=0;
// m_class=null;
//}
// The actual constructor. Sets the field, attributes and class
// variables
internal FieldToken (int field, Type fieldClass) {
m_fieldTok=field;
m_class = fieldClass;
}
public int Token {
get { return m_fieldTok; }
}
// Generates the hash code for this field.
public override int GetHashCode()
{
return (m_fieldTok);
}
// Returns true if obj is an instance of FieldToken and is
// equal to this instance.
public override bool Equals(Object obj)
{
if (obj is FieldToken)
return Equals((FieldToken)obj);
else
return false;
}
public bool Equals(FieldToken obj)
{
return obj.m_fieldTok == m_fieldTok && obj.m_class == m_class;
}
public static bool operator ==(FieldToken a, FieldToken b)
{
return a.Equals(b);
}
public static bool operator !=(FieldToken a, FieldToken b)
{
return !(a == b);
}
}
}
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