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

   1 //
   2 // System.Reflection.Emit.DerivedTypes.cs
   3 //
   4 // Authors:
   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.Reflection;
  31 using System.Reflection.Emit;
  32 using System.Collections;
  33 using System.Runtime.CompilerServices;
  34 using System.Globalization;
  35 using System.Runtime.InteropServices;
  36 using System.Runtime.Serialization;
  37 using System.Text;
  38
  39
  40 namespace System.Reflection.Emit
  41 {
  42         internal enum TypeKind : int {
  43                 SZARRAY = 0x1d,
  44                 ARRAY = 0x14
  45         }
  46
  47         internal abstract class DerivedType : Type
  48         {
  49                 internal Type elementType;
  50
  51                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  52                 internal static extern void create_unmanaged_type (Type type);
  53
  54                 internal DerivedType (Type elementType)
  55                 {
  56                         this.elementType = elementType;
  57                 }
  58
  59                 internal abstract String FormatName (string elementName);
  60
  61                 public override Type GetInterface (string name, bool ignoreCase)
  62                 {
  63                         throw new NotSupportedException ();
  64                 }
  65
  66                 public override Type[] GetInterfaces ()
  67                 {
  68                         throw new NotSupportedException ();
  69                 }
  70
  71                 public override Type GetElementType ()
  72                 {
  73                         return elementType;
  74                 }
  75
  76                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
  77                 {
  78                         throw new NotSupportedException ();
  79                 }
  80
  81                 public override EventInfo[] GetEvents (BindingFlags bindingAttr)
  82                 {
  83                         throw new NotSupportedException ();
  84                 }
  85
  86                 public override FieldInfo GetField( string name, BindingFlags bindingAttr)
  87                 {
  88                         throw new NotSupportedException ();
  89                 }
  90
  91                 public override FieldInfo[] GetFields (BindingFlags bindingAttr)
  92                 {
  93                         throw new NotSupportedException ();
  94                 }
  95
  96                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
  97                 {
  98                         throw new NotSupportedException ();
  99                 }
 100
 101                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder,
 102                                                              CallingConventions callConvention, Type[] types,
 103                                                              ParameterModifier[] modifiers)
 104                 {
 105                         throw new NotSupportedException ();
 106                 }
 107
 108                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr)
 109                 {
 110                         throw new NotSupportedException ();
 111                 }
 112
 113                 public override Type GetNestedType (string name, BindingFlags bindingAttr)
 114                 {
 115                         throw new NotSupportedException ();
 116                 }
 117
 118                 public override Type[] GetNestedTypes (BindingFlags bindingAttr)
 119                 {
 120                         throw new NotSupportedException ();
 121                 }
 122
 123                 public override PropertyInfo[] GetProperties (BindingFlags bindingAttr)
 124                 {
 125                         throw new NotSupportedException ();
 126                 }
 127
 128                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr, Binder binder,
 129                                                                  Type returnType, Type[] types, ParameterModifier[] modifiers)
 130                 {
 131                         throw new NotSupportedException ();
 132                 }
 133
 134                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr,
 135                                                                        Binder binder,
 136                                                                        CallingConventions callConvention,
 137                                                                        Type[] types,
 138                                                                        ParameterModifier[] modifiers)
 139                 {
 140                         throw new NotSupportedException ();
 141                 }
 142
 143
 144                 protected override TypeAttributes GetAttributeFlagsImpl ()
 145                 {
 146                         /*LAMEIMPL MS just return the elementType.Attributes*/
 147                         return elementType.Attributes;
 148                 }
 149
 150                 protected override bool HasElementTypeImpl ()
 151                 {
 152                         return true;
 153                 }
 154
 155                 protected override bool IsArrayImpl ()
 156                 {
 157                         return false;
 158                 }
 159
 160                 protected override bool IsByRefImpl ()
 161                 {
 162                         return false;
 163                 }
 164
 165                 protected override bool IsCOMObjectImpl ()
 166                 {
 167                         return false;
 168                 }
 169
 170                 protected override bool IsPointerImpl ()
 171                 {
 172                         return false;
 173                 }
 174
 175                 protected override bool IsPrimitiveImpl ()
 176                 {
 177                         return false;
 178                 }
 179
 180
 181                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 182                 {
 183                         throw new NotSupportedException ();
 184                 }
 185
 186                 public override object InvokeMember (string name, BindingFlags invokeAttr,
 187                                                      Binder binder, object target, object[] args,
 188                                                      ParameterModifier[] modifiers,
 189                                                      CultureInfo culture, string[] namedParameters)
 190                 {
 191                         throw new NotSupportedException ();
 192                 }
 193
 194                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
 195                 {
 196                         throw new NotSupportedException ();
 197                 }
 198
 199                 public override bool IsInstanceOfType (object o)
 200                 {
 201                         return false;
 202                 }
 203
 204 #if NET_2_0
 205                 //FIXME this should be handled by System.Type
 206                 public override Type MakeGenericType (params Type[] typeArguments)
 207                 {
 208                         throw new NotSupportedException ();
 209                 }
 210
 211                 public override Type MakeArrayType ()
 212                 {
 213                         return MakeArrayType (1);
 214                 }
 215
 216                 public override Type MakeArrayType (int rank)
 217                 {
 218                         if (rank < 1)
 219                                 throw new IndexOutOfRangeException ();
 220                         return new ArrayType (this, rank);
 221                 }
 222
 223                 public override Type MakeByRefType ()
 224                 {
 225                         return new ByRefType (this);
 226                 }
 227
 228                 public override Type MakePointerType ()
 229                 {
 230                         return new PointerType (this);
 231                 }
 232
 233                 public override GenericParameterAttributes GenericParameterAttributes {
 234                         get { throw new NotSupportedException (); }
 235                 }
 236
 237                 public override StructLayoutAttribute StructLayoutAttribute {
 238                         get { throw new NotSupportedException (); }
 239                 }
 240 #endif
 241
 242                 public override Assembly Assembly {
 243                         get { return elementType.Assembly; }
 244                 }
 245
 246                 public override string AssemblyQualifiedName {
 247                         get { return FullName + ", " + elementType.Assembly.FullName; }
 248                 }
 249
 250
 251                 public override string FullName {
 252                         get {
 253                                 return FormatName (elementType.FullName);
 254                         }
 255                 }
 256
 257                 public override string Name {
 258                         get {
 259                                 return FormatName (elementType.Name);
 260                         }
 261                 }
 262
 263                 public override Guid GUID {
 264                         get { throw new NotSupportedException (); }
 265                 }
 266
 267                 public override Module Module {
 268                         get { return elementType.Module; }
 269                 }
 270
 271                 public override string Namespace {
 272                         get { return elementType.Namespace; }
 273                 }
 274
 275                 public override RuntimeTypeHandle TypeHandle {
 276                         get { throw new NotSupportedException (); }
 277                 }
 278
 279                 public override Type UnderlyingSystemType {
 280                         get { return this; }
 281                 }
 282
 283                 //MemberInfo
 284                 public override bool IsDefined (Type attributeType, bool inherit)
 285                 {
 286                         throw new NotSupportedException ();
 287                 }
 288
 289                 public override object [] GetCustomAttributes (bool inherit)
 290                 {
 291                         throw new NotSupportedException ();
 292                 }
 293
 294                 public override object [] GetCustomAttributes (Type attributeType, bool inherit)
 295                 {
 296                         throw new NotSupportedException ();
 297                 }
 298         }
 299
 300         internal class ArrayType : DerivedType
 301         {
 302                 int rank;
 303
 304                 internal ArrayType (Type elementType, int rank) : base (elementType)
 305                 {
 306                         this.rank = rank;
 307                 }
 308
 309                 protected override bool IsArrayImpl ()
 310                 {
 311                         return true;
 312                 }
 313
 314                 public override int GetArrayRank ()
 315                 {
 316                         return rank;
 317                 }
 318
 319                 public override Type BaseType {
 320                         get { return typeof (System.Array); }
 321                 }
 322
 323                 internal override String FormatName (string elementName)
 324                 {
 325                         StringBuilder sb = new StringBuilder (elementName);
 326                         sb.Append ("[");
 327                         for (int i = 1; i < rank; ++i)
 328                                 sb.Append (",");
 329                         sb.Append ("]");
 330                         return sb.ToString ();
 331                 }
 332         }
 333
 334
 335         internal class ByRefType : DerivedType
 336         {
 337                 internal ByRefType (Type elementType) : base (elementType)
 338                 {
 339                 }
 340
 341                 protected override bool IsByRefImpl ()
 342                 {
 343                         return true;
 344                 }
 345
 346                 public override Type BaseType {
 347                         get { return null; }
 348                 }
 349
 350                 internal override String FormatName (string elementName)
 351                 {
 352                         return elementName + "&";
 353                 }
 354
 355                 public override Type MakeArrayType ()
 356                 {
 357                         throw new ArgumentException ("Cannot create an array type of a byref type");
 358                 }
 359
 360                 public override Type MakeArrayType (int rank)
 361                 {
 362                         throw new ArgumentException ("Cannot create an array type of a byref type");
 363                 }
 364
 365                 public override Type MakeByRefType ()
 366                 {
 367                         throw new ArgumentException ("Cannot create a byref type of an already byref type");
 368                 }
 369
 370                 public override Type MakePointerType ()
 371                 {
 372                         throw new ArgumentException ("Cannot create a pointer type of a byref type");
 373                 }
 374         }
 375
 376
 377         internal class PointerType : DerivedType
 378         {
 379                 internal PointerType (Type elementType) : base (elementType)
 380                 {
 381                 }
 382
 383                 protected override bool IsPointerImpl ()
 384                 {
 385                         return true;
 386                 }
 387
 388                 public override Type BaseType {
 389                         get { return null; }
 390                 }
 391
 392                 internal override String FormatName (string elementName)
 393                 {
 394                         return elementName + "*";
 395                 }
 396         }
 397
 398 }