2 // System.Reflection/MethodInfo.cs
5 // Paolo Molaro (lupus@ximian.com)
7 // (C) 2001 Ximian, Inc. http://www.ximian.com
8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Diagnostics;
31 using System.Runtime.CompilerServices;
32 using System.Runtime.InteropServices;
34 namespace System.Reflection {
37 [ComDefaultInterfaceAttribute (typeof (_MethodInfo))]
39 [ClassInterface(ClassInterfaceType.None)]
40 public abstract class MethodInfo: MethodBase, _MethodInfo {
42 public abstract MethodInfo GetBaseDefinition();
44 internal virtual MethodInfo GetBaseMethod ()
49 protected MethodInfo() {
53 public override MemberTypes MemberType { get {return MemberTypes.Method;} }
55 public virtual Type ReturnType {
59 public abstract ICustomAttributeProvider ReturnTypeCustomAttributes { get; }
61 void _MethodInfo.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
63 throw new NotImplementedException ();
66 Type _MethodInfo.GetType ()
68 // Required or object::GetType becomes virtual final
69 return base.GetType ();
72 void _MethodInfo.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
74 throw new NotImplementedException ();
77 void _MethodInfo.GetTypeInfoCount (out uint pcTInfo)
79 throw new NotImplementedException ();
82 void _MethodInfo.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
84 throw new NotImplementedException ();
88 public virtual MethodInfo GetGenericMethodDefinition ()
90 throw new NotSupportedException ();
93 public virtual MethodInfo MakeGenericMethod (params Type [] typeArguments)
95 throw new NotSupportedException (this.GetType().ToString ());
98 // GetGenericArguments, IsGenericMethod, IsGenericMethodDefinition
99 // and ContainsGenericParameters are implemented in the derived classes.
101 public override Type [] GetGenericArguments () {
102 return Type.EmptyTypes;
105 #if !NET_4_0 && !MOONLIGHT
106 public override bool IsGenericMethod {
112 public override bool IsGenericMethodDefinition {
118 public override bool ContainsGenericParameters {
125 public virtual ParameterInfo ReturnParameter {
127 throw new NotSupportedException ();
132 public override bool Equals (object obj)
134 return obj == (object) this;
137 public override int GetHashCode ()
139 return base.GetHashCode ();
142 public static bool operator == (MethodInfo left, MethodInfo right)
144 if ((object)left == (object)right)
146 if ((object)left == null ^ (object)right == null)
148 return left.Equals (right);
151 public static bool operator != (MethodInfo left, MethodInfo right)
153 if ((object)left == (object)right)
155 if ((object)left == null ^ (object)right == null)
157 return !left.Equals (right);