FieldToken.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Reflection / Emit / FieldToken.cs / 1305376 / FieldToken.cs

                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  FieldToken 
**
** [....] 
**
**
** Purpose: Represents a Field to the ILGenerator Class
** 
**
===========================================================*/ 
namespace System.Reflection.Emit { 

    using System; 
    using System.Reflection;
    using System.Security.Permissions;

    // 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]
    [System.Runtime.InteropServices.ComVisible(true)] 
    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);
        }
 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
                        

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