MethodInfo.cs :  » 2.6.4-mono-.net-core » System.Reflection » System » Reflection » C# / CSharp Open Source

//
// System.Reflection/MethodInfo.cs
//
// Author:
//   Paolo Molaro (lupus@ximian.com)
//
// (C) 2001 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.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

namespace System.Reflection{

  [ComVisible (true)]
  [ComDefaultInterfaceAttribute (typeof (_MethodInfo))]
  [Serializable]
  [ClassInterface(ClassInterfaceType.None)]
  public abstract class MethodInfo: MethodBase, _MethodInfo {

    public abstract MethodInfo GetBaseDefinition();

    internal virtual MethodInfo GetBaseMethod ()
    {
      return this;
    }

    protected MethodInfo() {
    }


    public override MemberTypes MemberType { get {return MemberTypes.Method;} }

    public virtual Type ReturnType {
      get { return null; }
    }

    public abstract ICustomAttributeProvider ReturnTypeCustomAttributes { get; }

    // FIXME: when this method is uncommented, corlib fails
    // to build
/*
    [DebuggerStepThrough]
    [DebuggerHidden]
    public new object Invoke (object obj, object[] parameters)
    {
      return base.Invoke (obj, parameters);
    }
*/

    void _MethodInfo.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
    {
      throw new NotImplementedException ();
    }

    void _MethodInfo.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
    {
      throw new NotImplementedException ();
    }

    void _MethodInfo.GetTypeInfoCount (out uint pcTInfo)
    {
      throw new NotImplementedException ();
    }

    void _MethodInfo.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
    {
      throw new NotImplementedException ();
    }

    [ComVisible (true)]
    public virtual MethodInfo GetGenericMethodDefinition ()
    {
      throw new NotSupportedException ();
    }

    public virtual MethodInfo MakeGenericMethod (params Type [] typeArguments)
    {
      throw new NotSupportedException (this.GetType().ToString ());
    }

    // GetGenericArguments, IsGenericMethod, IsGenericMethodDefinition
    // and ContainsGenericParameters are implemented in the derived classes.
    [ComVisible (true)]
    public override Type [] GetGenericArguments () {
      return Type.EmptyTypes;
    }

#if !NET_4_0 && !MOONLIGHT
    public override bool IsGenericMethod {
      get {
        return false;
      }
    }

    public override bool IsGenericMethodDefinition {
      get {
        return false;
      }
    }

    public override bool ContainsGenericParameters {
      get {
        return false;
      }
    }
#endif

    public virtual ParameterInfo ReturnParameter {
      get {
        throw new NotSupportedException ();
      }
    }

#if NET_4_0
    public override bool Equals (object obj)
    {
      return obj == this;
    }

    public override int GetHashCode ()
    {
      return base.GetHashCode ();
    }

    public static bool operator == (MethodInfo left, MethodInfo right)
    {
      if ((object)left == (object)right)
        return true;
      if ((object)left == null ^ (object)right == null)
        return false;
      return left.Equals (right);
    }

    public static bool operator != (MethodInfo left, MethodInfo right)
    {
      if ((object)left == (object)right)
        return false;
      if ((object)left == null ^ (object)right == null)
        return true;
      return !left.Equals (right);
    }
#endif

  }
}