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         [StructLayout (LayoutKind.Sequential)]
  48         internal abstract class DerivedType : Type
  49         {
  50                 internal Type elementType;
  51
  52                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  53                 internal static extern void create_unmanaged_type (Type type);
  54
  55                 internal DerivedType (Type elementType)
  56                 {
  57                         this.elementType = elementType;
  58                 }
  59
  60                 internal abstract String FormatName (string elementName);
  61
  62                 public override Type GetInterface (string name, bool ignoreCase)
  63                 {
  64                         throw new NotSupportedException ();
  65                 }
  66
  67                 public override Type[] GetInterfaces ()
  68                 {
  69                         throw new NotSupportedException ();
  70                 }
  71
  72                 public override Type GetElementType ()
  73                 {
  74                         return elementType;
  75                 }
  76
  77                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
  78                 {
  79                         throw new NotSupportedException ();
  80                 }
  81
  82                 public override EventInfo[] GetEvents (BindingFlags bindingAttr)
  83                 {
  84                         throw new NotSupportedException ();
  85                 }
  86
  87                 public override FieldInfo GetField( string name, BindingFlags bindingAttr)
  88                 {
  89                         throw new NotSupportedException ();
  90                 }
  91
  92                 public override FieldInfo[] GetFields (BindingFlags bindingAttr)
  93                 {
  94                         throw new NotSupportedException ();
  95                 }
  96
  97                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
  98                 {
  99                         throw new NotSupportedException ();
 100                 }
 101
 102                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder,
 103                                                              CallingConventions callConvention, Type[] types,
 104                                                              ParameterModifier[] modifiers)
 105                 {
 106                         throw new NotSupportedException ();
 107                 }
 108
 109                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr)
 110                 {
 111                         throw new NotSupportedException ();
 112                 }
 113
 114                 public override Type GetNestedType (string name, BindingFlags bindingAttr)
 115                 {
 116                         throw new NotSupportedException ();
 117                 }
 118
 119                 public override Type[] GetNestedTypes (BindingFlags bindingAttr)
 120                 {
 121                         throw new NotSupportedException ();
 122                 }
 123
 124                 public override PropertyInfo[] GetProperties (BindingFlags bindingAttr)
 125                 {
 126                         throw new NotSupportedException ();
 127                 }
 128
 129                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr, Binder binder,
 130                                                                  Type returnType, Type[] types, ParameterModifier[] modifiers)
 131                 {
 132                         throw new NotSupportedException ();
 133                 }
 134
 135                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr,
 136                                                                        Binder binder,
 137                                                                        CallingConventions callConvention,
 138                                                                        Type[] types,
 139                                                                        ParameterModifier[] modifiers)
 140                 {
 141                         throw new NotSupportedException ();
 142                 }
 143
 144
 145                 protected override TypeAttributes GetAttributeFlagsImpl ()
 146                 {
 147                         /*LAMEIMPL MS just return the elementType.Attributes*/
 148                         return elementType.Attributes;
 149                 }
 150
 151                 protected override bool HasElementTypeImpl ()
 152                 {
 153                         return true;
 154                 }
 155
 156                 protected override bool IsArrayImpl ()
 157                 {
 158                         return false;
 159                 }
 160
 161                 protected override bool IsByRefImpl ()
 162                 {
 163                         return false;
 164                 }
 165
 166                 protected override bool IsCOMObjectImpl ()
 167                 {
 168                         return false;
 169                 }
 170
 171                 protected override bool IsPointerImpl ()
 172                 {
 173                         return false;
 174                 }
 175
 176                 protected override bool IsPrimitiveImpl ()
 177                 {
 178                         return false;
 179                 }
 180
 181
 182                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 183                 {
 184                         throw new NotSupportedException ();
 185                 }
 186
 187                 public override object InvokeMember (string name, BindingFlags invokeAttr,
 188                                                      Binder binder, object target, object[] args,
 189                                                      ParameterModifier[] modifiers,
 190                                                      CultureInfo culture, string[] namedParameters)
 191                 {
 192                         throw new NotSupportedException ();
 193                 }
 194
 195                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
 196                 {
 197                         throw new NotSupportedException ();
 198                 }
 199
 200                 public override bool IsInstanceOfType (object o)
 201                 {
 202                         return false;
 203                 }
 204
 205                 public override bool IsAssignableFrom (Type c)
 206                 {
 207                         return false;
 208                 }
 209
 210                 public override bool ContainsGenericParameters {
 211                         get { return elementType.ContainsGenericParameters; }
 212                 }
 213
 214                 //FIXME this should be handled by System.Type
 215                 public override Type MakeGenericType (params Type[] typeArguments)
 216                 {
 217                         throw new NotSupportedException ();
 218                 }
 219
 220                 public override Type MakeArrayType ()
 221                 {
 222                         return new ArrayType (this, 0);
 223                 }
 224
 225                 public override Type MakeArrayType (int rank)
 226                 {
 227                         if (rank < 1)
 228                                 throw new IndexOutOfRangeException ();
 229                         return new ArrayType (this, rank);
 230                 }
 231
 232                 public override Type MakeByRefType ()
 233                 {
 234                         return new ByRefType (this);
 235                 }
 236
 237                 public override Type MakePointerType ()
 238                 {
 239                         return new PointerType (this);
 240                 }
 241
 242                 public override string ToString ()
 243                 {
 244                         return FormatName (elementType.ToString ());
 245                 }
 246
 247                 public override GenericParameterAttributes GenericParameterAttributes {
 248                         get { throw new NotSupportedException (); }
 249                 }
 250
 251                 public override StructLayoutAttribute StructLayoutAttribute {
 252                         get { throw new NotSupportedException (); }
 253                 }
 254
 255                 public override Assembly Assembly {
 256                         get { return elementType.Assembly; }
 257                 }
 258
 259                 public override string AssemblyQualifiedName {
 260                         get {
 261                                 string fullName = FormatName (elementType.FullName);
 262                                 if (fullName == null)
 263                                         return null;
 264                                 return fullName + ", " + elementType.Assembly.FullName;
 265                         }
 266                 }
 267
 268
 269                 public override string FullName {
 270                         get {
 271                                 return FormatName (elementType.FullName);
 272                         }
 273                 }
 274
 275                 public override string Name {
 276                         get {
 277                                 return FormatName (elementType.Name);
 278                         }
 279                 }
 280
 281                 public override Guid GUID {
 282                         get { throw new NotSupportedException (); }
 283                 }
 284
 285                 public override Module Module {
 286                         get { return elementType.Module; }
 287                 }
 288
 289                 public override string Namespace {
 290                         get { return elementType.Namespace; }
 291                 }
 292
 293                 public override RuntimeTypeHandle TypeHandle {
 294                         get { throw new NotSupportedException (); }
 295                 }
 296
 297                 public override Type UnderlyingSystemType {
 298                         get {
 299                                 create_unmanaged_type (this);
 300                                 return this;
 301                         }
 302                 }
 303
 304                 //MemberInfo
 305                 public override bool IsDefined (Type attributeType, bool inherit)
 306                 {
 307                         throw new NotSupportedException ();
 308                 }
 309
 310                 public override object [] GetCustomAttributes (bool inherit)
 311                 {
 312                         throw new NotSupportedException ();
 313                 }
 314
 315                 public override object [] GetCustomAttributes (Type attributeType, bool inherit)
 316                 {
 317                         throw new NotSupportedException ();
 318                 }
 319
 320                 internal override bool IsUserType {
 321                         get {
 322                                 return elementType.IsUserType;
 323                         }
 324                 }
 325         }
 326
 327         [StructLayout (LayoutKind.Sequential)]
 328         internal class ArrayType : DerivedType
 329         {
 330                 int rank;
 331
 332                 internal ArrayType (Type elementType, int rank) : base (elementType)
 333                 {
 334                         this.rank = rank;
 335                 }
 336
 337                 internal int GetEffectiveRank ()
 338                 {
 339                         return rank;
 340                 }
 341
 342                 internal override Type InternalResolve ()
 343                 {
 344                         Type et = elementType.InternalResolve ();
 345                         if (rank == 0)
 346                                 return et.MakeArrayType ();
 347                         return et.MakeArrayType (rank);
 348                 }
 349
 350                 protected override bool IsArrayImpl ()
 351                 {
 352                         return true;
 353                 }
 354
 355                 public override int GetArrayRank ()
 356                 {
 357                         return (rank == 0) ? 1 : rank;
 358                 }
 359
 360                 public override Type BaseType {
 361                         get { return typeof (System.Array); }
 362                 }
 363
 364                 protected override TypeAttributes GetAttributeFlagsImpl ()
 365                 {
 366                         return elementType.Attributes;
 367                 }
 368
 369                 internal override String FormatName (string elementName)
 370                 {
 371                         if (elementName == null)
 372                                 return null;
 373                         StringBuilder sb = new StringBuilder (elementName);
 374                         sb.Append ("[");
 375                         for (int i = 1; i < rank; ++i)
 376                                 sb.Append (",");
 377                         if (rank == 1)
 378                                 sb.Append ("*");
 379                         sb.Append ("]");
 380                         return sb.ToString ();
 381                 }
 382         }
 383
 384         [StructLayout (LayoutKind.Sequential)]
 385         internal class ByRefType : DerivedType
 386         {
 387                 internal ByRefType (Type elementType) : base (elementType)
 388                 {
 389                 }
 390
 391                 internal override Type InternalResolve ()
 392                 {
 393                         return elementType.InternalResolve ().MakeByRefType ();
 394                 }
 395
 396                 protected override bool IsByRefImpl ()
 397                 {
 398                         return true;
 399                 }
 400
 401                 public override Type BaseType {
 402                         get { return typeof (Array); }
 403                 }
 404
 405                 internal override String FormatName (string elementName)
 406                 {
 407                         if (elementName == null)
 408                                 return null;
 409                         return elementName + "&";
 410                 }
 411
 412                 public override Type MakeArrayType ()
 413                 {
 414                         throw new ArgumentException ("Cannot create an array type of a byref type");
 415                 }
 416
 417                 public override Type MakeArrayType (int rank)
 418                 {
 419                         throw new ArgumentException ("Cannot create an array type of a byref type");
 420                 }
 421
 422                 public override Type MakeByRefType ()
 423                 {
 424                         throw new ArgumentException ("Cannot create a byref type of an already byref type");
 425                 }
 426
 427                 public override Type MakePointerType ()
 428                 {
 429                         throw new ArgumentException ("Cannot create a pointer type of a byref type");
 430                 }
 431         }
 432
 433         [StructLayout (LayoutKind.Sequential)]
 434         internal class PointerType : DerivedType
 435         {
 436                 internal PointerType (Type elementType) : base (elementType)
 437                 {
 438                 }
 439
 440                 internal override Type InternalResolve ()
 441                 {
 442                         return elementType.InternalResolve ().MakePointerType ();
 443                 }
 444
 445                 protected override bool IsPointerImpl ()
 446                 {
 447                         return true;
 448                 }
 449
 450                 public override Type BaseType {
 451                         get { return typeof(Array); }
 452                 }
 453
 454                 internal override String FormatName (string elementName)
 455                 {
 456                         if (elementName == null)
 457                                 return null;
 458                         return elementName + "*";
 459                 }
 460         }
 461
 462 }