mcs/class/corlib/System.Reflection.Emit/EventOnTypeBuilderInst.cs

   1 //
   2 // System.Reflection.Emit/EventOnTypeBuilderInst.cs
   3 //
   4 // Author:
   5 //   Rodrigo Kumpera (rkumpera@novell.com)
   6 //
   7 //
   8 // Copyright (C) 2009 Novell, Inc (http://www.novell.com)
   9 //
  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:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  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.
  28 //
  29
  30 using System;
  31 using System.Collections;
  32 using System.Globalization;
  33 using System.Reflection;
  34
  35 namespace System.Reflection.Emit
  36 {
  37         /*
  38          * This class represents an event of an instantiation of a generic type builder.
  39          */
  40         internal class EventOnTypeBuilderInst : EventInfo
  41         {
  42                 MonoGenericClass instantiation;
  43                 EventBuilder event_builder;
  44                 EventInfo event_info;
  45
  46                 internal EventOnTypeBuilderInst (MonoGenericClass instantiation, EventBuilder evt)
  47                 {
  48                         this.instantiation = instantiation;
  49                         this.event_builder = evt;
  50                 }
  51
  52                 internal EventOnTypeBuilderInst (MonoGenericClass instantiation, EventInfo evt)
  53                 {
  54                         this.instantiation = instantiation;
  55                         this.event_info = evt;
  56                 }
  57
  58                 public override EventAttributes Attributes {
  59                         get { return event_builder != null ? event_builder.attrs : event_info.Attributes; }
  60                 }
  61
  62                 public override MethodInfo GetAddMethod (bool nonPublic)
  63                 {
  64                         MethodInfo add = event_builder != null ? event_builder.add_method : event_info.GetAddMethod (nonPublic);
  65                         if (add == null || (!nonPublic && !add.IsPublic))
  66                                 return null;
  67                         return TypeBuilder.GetMethod (instantiation, add);
  68                 }
  69
  70                 public override MethodInfo GetRaiseMethod (bool nonPublic)
  71                 {
  72                         MethodInfo raise = event_builder != null ? event_builder.raise_method : event_info.GetRaiseMethod (nonPublic);
  73                         if (raise == null || (!nonPublic && !raise.IsPublic))
  74                                 return null;
  75                         return TypeBuilder.GetMethod (instantiation, raise);
  76                 }
  77
  78                 public override MethodInfo GetRemoveMethod (bool nonPublic)
  79                 {
  80                         MethodInfo remove = event_builder != null ? event_builder.remove_method : event_info.GetRemoveMethod (nonPublic);
  81                         if (remove == null || (!nonPublic && !remove.IsPublic))
  82                                 return null;
  83                         return TypeBuilder.GetMethod (instantiation, remove);
  84                 }
  85
  86                 public override MethodInfo[] GetOtherMethods (bool nonPublic)
  87                 {
  88                         MethodInfo[] other = event_builder != null ? event_builder.other_methods : event_info.GetOtherMethods (nonPublic);
  89                         if (other == null)
  90                                 return new MethodInfo [0];
  91
  92                         ArrayList ar = new ArrayList ();
  93                         foreach (MethodInfo method in other) {
  94                                 if (nonPublic || method.IsPublic)
  95                                         ar.Add (TypeBuilder.GetMethod (instantiation, method));
  96                         }
  97                         MethodInfo[] res = new MethodInfo [ar.Count];
  98                         ar.CopyTo (res, 0);
  99                         return res;
 100                 }
 101
 102                 public override Type DeclaringType {
 103                         get { return instantiation; }
 104                 }
 105
 106                 public override string Name {
 107                         get { return event_builder != null ? event_builder.name : event_info.Name; }
 108                 }
 109
 110                 public override Type ReflectedType {
 111                         get { return instantiation; }
 112                 }
 113
 114                 public override bool IsDefined (Type attributeType, bool inherit)
 115                 {
 116                         if (!instantiation.IsCompilerContext)
 117                                 throw new NotSupportedException ();
 118                         if (event_info != null)
 119                                 return event_info.IsDefined (attributeType, inherit);
 120                         throw new NotSupportedException ();
 121                 }
 122
 123                 public override object [] GetCustomAttributes (bool inherit)
 124                 {
 125                         if (!instantiation.IsCompilerContext)
 126                                 throw new NotSupportedException ();
 127                         if (event_info != null)
 128                                 return event_info.GetCustomAttributes (inherit);
 129                         throw new NotSupportedException ();
 130                 }
 131
 132                 public override object [] GetCustomAttributes (Type attributeType, bool inherit)
 133                 {
 134                         if (!instantiation.IsCompilerContext)
 135                                 throw new NotSupportedException ();
 136                         if (event_info != null)
 137                                 return event_info.GetCustomAttributes (attributeType, inherit);
 138                         throw new NotSupportedException ();
 139                 }
 140         }
 141 }