mcs/class/IKVM.Reflection/ConstructorInfo.cs

   1 /*
   2   Copyright (C) 2009 Jeroen Frijters
   3
   4   This software is provided 'as-is', without any express or implied
   5   warranty.  In no event will the authors be held liable for any damages
   6   arising from the use of this software.
   7
   8   Permission is granted to anyone to use this software for any purpose,
   9   including commercial applications, and to alter it and redistribute it
  10   freely, subject to the following restrictions:
  11
  12   1. The origin of this software must not be misrepresented; you must not
  13      claim that you wrote the original software. If you use this software
  14      in a product, an acknowledgment in the product documentation would be
  15      appreciated but is not required.
  16   2. Altered source versions must be plainly marked as such, and must not be
  17      misrepresented as being the original software.
  18   3. This notice may not be removed or altered from any source distribution.
  19
  20   Jeroen Frijters
  21   jeroen@frijters.net
  22
  23 */
  24 using System;
  25 using System.Collections.Generic;
  26
  27 namespace IKVM.Reflection
  28 {
  29         public abstract class ConstructorInfo : MethodBase
  30         {
  31                 // prevent external subclasses
  32                 internal ConstructorInfo()
  33                 {
  34                 }
  35
  36                 public static readonly string ConstructorName = ".ctor";
  37                 public static readonly string TypeConstructorName = ".cctor";
  38
  39                 internal abstract MethodInfo GetMethodInfo();
  40
  41                 internal override MethodBase BindTypeParameters(Type type)
  42                 {
  43                         return new ConstructorInfoImpl((MethodInfo)GetMethodInfo().BindTypeParameters(type));
  44                 }
  45
  46                 public sealed override MethodBase __GetMethodOnTypeDefinition()
  47                 {
  48                         return new ConstructorInfoImpl((MethodInfo)GetMethodInfo().__GetMethodOnTypeDefinition());
  49                 }
  50
  51                 public sealed override MemberTypes MemberType
  52                 {
  53                         get { return MemberTypes.Constructor; }
  54                 }
  55
  56                 public sealed override int __MethodRVA
  57                 {
  58                         get { return GetMethodInfo().__MethodRVA; }
  59                 }
  60
  61                 public override bool ContainsGenericParameters
  62                 {
  63                         get { return GetMethodInfo().ContainsGenericParameters; }
  64                 }
  65
  66                 public ParameterInfo __ReturnParameter
  67                 {
  68                         get { return new ParameterInfoWrapper(this, GetMethodInfo().ReturnParameter); }
  69                 }
  70
  71                 public sealed override ParameterInfo[] GetParameters()
  72                 {
  73                         ParameterInfo[] parameters = GetMethodInfo().GetParameters();
  74                         for (int i = 0; i < parameters.Length; i++)
  75                         {
  76                                 parameters[i] = new ParameterInfoWrapper(this, parameters[i]);
  77                         }
  78                         return parameters;
  79                 }
  80
  81                 private sealed class ParameterInfoWrapper : ParameterInfo
  82                 {
  83                         private readonly ConstructorInfo ctor;
  84                         private readonly ParameterInfo forward;
  85
  86                         internal ParameterInfoWrapper(ConstructorInfo ctor, ParameterInfo forward)
  87                         {
  88                                 this.ctor = ctor;
  89                                 this.forward = forward;
  90                         }
  91
  92                         public override string Name
  93                         {
  94                                 get { return forward.Name; }
  95                         }
  96
  97                         public override Type ParameterType
  98                         {
  99                                 get { return forward.ParameterType; }
 100                         }
 101
 102                         public override ParameterAttributes Attributes
 103                         {
 104                                 get { return forward.Attributes; }
 105                         }
 106
 107                         public override int Position
 108                         {
 109                                 get { return forward.Position; }
 110                         }
 111
 112                         public override object RawDefaultValue
 113                         {
 114                                 get { return forward.RawDefaultValue; }
 115                         }
 116
 117                         public override CustomModifiers __GetCustomModifiers()
 118                         {
 119                                 return forward.__GetCustomModifiers();
 120                         }
 121
 122                         public override MemberInfo Member
 123                         {
 124                                 get { return ctor; }
 125                         }
 126
 127                         public override int MetadataToken
 128                         {
 129                                 get { return forward.MetadataToken; }
 130                         }
 131
 132                         internal override Module Module
 133                         {
 134                                 get { return ctor.Module; }
 135                         }
 136
 137                         internal override IList<CustomAttributeData> GetCustomAttributesData(Type attributeType)
 138                         {
 139                                 return forward.GetCustomAttributesData(attributeType);
 140                         }
 141                 }
 142         }
 143
 144         sealed class ConstructorInfoImpl : ConstructorInfo
 145         {
 146                 private readonly MethodInfo method;
 147
 148                 internal ConstructorInfoImpl(MethodInfo method)
 149                 {
 150                         this.method = method;
 151                 }
 152
 153                 public override bool Equals(object obj)
 154                 {
 155                         ConstructorInfoImpl other = obj as ConstructorInfoImpl;
 156                         return other != null && other.method.Equals(method);
 157                 }
 158
 159                 public override int GetHashCode()
 160                 {
 161                         return method.GetHashCode();
 162                 }
 163
 164                 public override MethodBody GetMethodBody()
 165                 {
 166                         return method.GetMethodBody();
 167                 }
 168
 169                 public override CallingConventions CallingConvention
 170                 {
 171                         get { return method.CallingConvention; }
 172                 }
 173
 174                 public override MethodAttributes Attributes
 175                 {
 176                         get { return method.Attributes; }
 177                 }
 178
 179                 public override MethodImplAttributes GetMethodImplementationFlags()
 180                 {
 181                         return method.GetMethodImplementationFlags();
 182                 }
 183
 184                 internal override int ParameterCount
 185                 {
 186                         get { return method.ParameterCount; }
 187                 }
 188
 189                 public override Type DeclaringType
 190                 {
 191                         get { return method.DeclaringType; }
 192                 }
 193
 194                 public override string Name
 195                 {
 196                         get { return method.Name; }
 197                 }
 198
 199                 public override string ToString()
 200                 {
 201                         return method.ToString();
 202                 }
 203
 204                 public override Module Module
 205                 {
 206                         get { return method.Module; }
 207                 }
 208
 209                 public override int MetadataToken
 210                 {
 211                         get { return method.MetadataToken; }
 212                 }
 213
 214                 public override bool __IsMissing
 215                 {
 216                         get { return method.__IsMissing; }
 217                 }
 218
 219                 internal override MethodInfo GetMethodInfo()
 220                 {
 221                         return method;
 222                 }
 223
 224                 internal override IList<CustomAttributeData> GetCustomAttributesData(Type attributeType)
 225                 {
 226                         return method.GetCustomAttributesData(attributeType);
 227                 }
 228
 229                 internal override MethodInfo GetMethodOnTypeDefinition()
 230                 {
 231                         return method.GetMethodOnTypeDefinition();
 232                 }
 233
 234                 internal override MethodSignature MethodSignature
 235                 {
 236                         get { return method.MethodSignature; }
 237                 }
 238
 239                 internal override int ImportTo(Emit.ModuleBuilder module)
 240                 {
 241                         return method.ImportTo(module);
 242                 }
 243         }
 244 }