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 MemberTypes MemberType
  47                 {
  48                         get { return MemberTypes.Constructor; }
  49                 }
  50
  51                 public override bool ContainsGenericParameters
  52                 {
  53                         get { return GetMethodInfo().ContainsGenericParameters; }
  54                 }
  55
  56                 public sealed override ParameterInfo[] GetParameters()
  57                 {
  58                         ParameterInfo[] parameters = GetMethodInfo().GetParameters();
  59                         for (int i = 0; i < parameters.Length; i++)
  60                         {
  61                                 parameters[i] = new ParameterInfoWrapper(this, parameters[i]);
  62                         }
  63                         return parameters;
  64                 }
  65
  66                 private sealed class ParameterInfoWrapper : ParameterInfo
  67                 {
  68                         private readonly ConstructorInfo ctor;
  69                         private readonly ParameterInfo forward;
  70
  71                         internal ParameterInfoWrapper(ConstructorInfo ctor, ParameterInfo forward)
  72                         {
  73                                 this.ctor = ctor;
  74                                 this.forward = forward;
  75                         }
  76
  77                         public override string Name
  78                         {
  79                                 get { return forward.Name; }
  80                         }
  81
  82                         public override Type ParameterType
  83                         {
  84                                 get { return forward.ParameterType; }
  85                         }
  86
  87                         public override ParameterAttributes Attributes
  88                         {
  89                                 get { return forward.Attributes; }
  90                         }
  91
  92                         public override int Position
  93                         {
  94                                 get { return forward.Position; }
  95                         }
  96
  97                         public override object RawDefaultValue
  98                         {
  99                                 get { return forward.RawDefaultValue; }
 100                         }
 101
 102                         public override Type[] GetOptionalCustomModifiers()
 103                         {
 104                                 return forward.GetOptionalCustomModifiers();
 105                         }
 106
 107                         public override Type[] GetRequiredCustomModifiers()
 108                         {
 109                                 return forward.GetRequiredCustomModifiers();
 110                         }
 111
 112                         public override MemberInfo Member
 113                         {
 114                                 get { return ctor; }
 115                         }
 116
 117                         public override int MetadataToken
 118                         {
 119                                 get { return forward.MetadataToken; }
 120                         }
 121
 122                         internal override Module Module
 123                         {
 124                                 get { return ctor.Module; }
 125                         }
 126
 127                         internal override IList<CustomAttributeData> GetCustomAttributesData(Type attributeType)
 128                         {
 129                                 return forward.GetCustomAttributesData(attributeType);
 130                         }
 131                 }
 132         }
 133
 134         sealed class ConstructorInfoImpl : ConstructorInfo
 135         {
 136                 private readonly MethodInfo method;
 137
 138                 internal ConstructorInfoImpl(MethodInfo method)
 139                 {
 140                         this.method = method;
 141                 }
 142
 143                 public override bool Equals(object obj)
 144                 {
 145                         ConstructorInfoImpl other = obj as ConstructorInfoImpl;
 146                         return other != null && other.method.Equals(method);
 147                 }
 148
 149                 public override int GetHashCode()
 150                 {
 151                         return method.GetHashCode();
 152                 }
 153
 154                 public override MethodBody GetMethodBody()
 155                 {
 156                         return method.GetMethodBody();
 157                 }
 158
 159                 public override CallingConventions CallingConvention
 160                 {
 161                         get { return method.CallingConvention; }
 162                 }
 163
 164                 public override MethodAttributes Attributes
 165                 {
 166                         get { return method.Attributes; }
 167                 }
 168
 169                 public override MethodImplAttributes GetMethodImplementationFlags()
 170                 {
 171                         return method.GetMethodImplementationFlags();
 172                 }
 173
 174                 internal override int ParameterCount
 175                 {
 176                         get { return method.ParameterCount; }
 177                 }
 178
 179                 public override Type DeclaringType
 180                 {
 181                         get { return method.DeclaringType; }
 182                 }
 183
 184                 public override string Name
 185                 {
 186                         get { return method.Name; }
 187                 }
 188
 189                 public override string ToString()
 190                 {
 191                         return method.ToString();
 192                 }
 193
 194                 public override Module Module
 195                 {
 196                         get { return method.Module; }
 197                 }
 198
 199                 public override int MetadataToken
 200                 {
 201                         get { return method.MetadataToken; }
 202                 }
 203
 204                 public override bool __IsMissing
 205                 {
 206                         get { return method.__IsMissing; }
 207                 }
 208
 209                 internal override MethodInfo GetMethodInfo()
 210                 {
 211                         return method;
 212                 }
 213
 214                 internal override IList<CustomAttributeData> GetCustomAttributesData(Type attributeType)
 215                 {
 216                         return method.GetCustomAttributesData(attributeType);
 217                 }
 218
 219                 internal override MethodInfo GetMethodOnTypeDefinition()
 220                 {
 221                         return method.GetMethodOnTypeDefinition();
 222                 }
 223
 224                 internal override MethodSignature MethodSignature
 225                 {
 226                         get { return method.MethodSignature; }
 227                 }
 228
 229                 internal override int ImportTo(Emit.ModuleBuilder module)
 230                 {
 231                         return method.ImportTo(module);
 232                 }
 233         }
 234 }