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

   1 //
   2 // System.Reflection.Emit.TypeBuilder.cs
   3 //
   4 // Author:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //   Marek Safar (marek.safar@gmail.com)
   7 //
   8 // (C) 2001 Ximian, Inc.  http://www.ximian.com
   9 //
  10
  11 //
  12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33
  34 #if !FULL_AOT_RUNTIME
  35 using System;
  36 using System.Text;
  37 using System.Reflection;
  38 using System.Reflection.Emit;
  39 using System.Runtime.CompilerServices;
  40 using System.Runtime.InteropServices;
  41 using System.Globalization;
  42 using System.Collections;
  43 using System.Security;
  44 using System.Security.Permissions;
  45 using System.Diagnostics.SymbolStore;
  46
  47
  48 namespace System.Reflection.Emit
  49 {
  50         [ComVisible (true)]
  51         [ComDefaultInterface (typeof (_TypeBuilder))]
  52         [ClassInterface (ClassInterfaceType.None)]
  53         [StructLayout (LayoutKind.Sequential)]
  54         public sealed class TypeBuilder : TypeInfo, _TypeBuilder
  55         {
  56 #pragma warning disable 169
  57                 #region Sync with reflection.h
  58                 private string tname;
  59                 private string nspace;
  60                 private Type parent;
  61                 private Type nesting_type;
  62                 internal Type[] interfaces;
  63                 internal int num_methods;
  64                 internal MethodBuilder[] methods;
  65                 internal ConstructorBuilder[] ctors;
  66                 internal PropertyBuilder[] properties;
  67                 internal int num_fields;
  68                 internal FieldBuilder[] fields;
  69                 internal EventBuilder[] events;
  70                 private CustomAttributeBuilder[] cattrs;
  71                 internal TypeBuilder[] subtypes;
  72                 internal TypeAttributes attrs;
  73                 private int table_idx;
  74                 private ModuleBuilder pmodule;
  75                 private int class_size;
  76                 private PackingSize packing_size;
  77                 private IntPtr generic_container;
  78                 private GenericTypeParameterBuilder[] generic_params;
  79                 private RefEmitPermissionSet[] permissions;
  80                 private TypeInfo created;
  81                 #endregion
  82 #pragma warning restore 169
  83
  84                 string fullname;
  85                 bool createTypeCalled;
  86                 private Type underlying_type;
  87
  88                 public const int UnspecifiedTypeSize = 0;
  89
  90                 protected override TypeAttributes GetAttributeFlagsImpl ()
  91                 {
  92                         return attrs;
  93                 }
  94
  95                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  96                 private extern void setup_internal_class (TypeBuilder tb);
  97
  98                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  99                 private extern void create_internal_class (TypeBuilder tb);
 100
 101                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 102                 private extern void setup_generic_class ();
 103
 104                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 105                 private extern void create_generic_class ();
 106
 107                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 108                 private extern EventInfo get_event_info (EventBuilder eb);
 109
 110                 internal TypeBuilder (ModuleBuilder mb, TypeAttributes attr, int table_idx)
 111                 {
 112                         this.parent = null;
 113                         this.attrs = attr;
 114                         this.class_size = UnspecifiedTypeSize;
 115                         this.table_idx = table_idx;
 116                         fullname = this.tname = table_idx == 1 ? "<Module>" : "type_" + table_idx.ToString ();
 117                         this.nspace = String.Empty;
 118                         pmodule = mb;
 119                         setup_internal_class (this);
 120                 }
 121
 122                 internal TypeBuilder (ModuleBuilder mb, string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packing_size, int type_size, Type nesting_type)
 123                 {
 124                         int sep_index;
 125                         this.parent = parent;
 126                         this.attrs = attr;
 127                         this.class_size = type_size;
 128                         this.packing_size = packing_size;
 129                         this.nesting_type = nesting_type;
 130
 131                         check_name ("fullname", name);
 132
 133                         if (parent == null && (attr & TypeAttributes.Interface) != 0 && (attr & TypeAttributes.Abstract) == 0)
 134                                 throw new InvalidOperationException ("Interface must be declared abstract.");
 135
 136                         sep_index = name.LastIndexOf('.');
 137                         if (sep_index != -1) {
 138                                 this.tname = name.Substring (sep_index + 1);
 139                                 this.nspace = name.Substring (0, sep_index);
 140                         } else {
 141                                 this.tname = name;
 142                                 this.nspace = String.Empty;
 143                         }
 144                         if (interfaces != null) {
 145                                 this.interfaces = new Type[interfaces.Length];
 146                                 System.Array.Copy (interfaces, this.interfaces, interfaces.Length);
 147                         }
 148                         pmodule = mb;
 149
 150                         if (((attr & TypeAttributes.Interface) == 0) && (parent == null))
 151                                 this.parent = typeof (object);
 152
 153                         // skip .<Module> ?
 154                         table_idx = mb.get_next_table_index (this, 0x02, true);
 155                         setup_internal_class (this);
 156                         fullname = GetFullName ();
 157                 }
 158
 159                 public override Assembly Assembly {
 160                         get {return pmodule.Assembly;}
 161                 }
 162
 163                 public override string AssemblyQualifiedName {
 164                         get {
 165                                 return fullname + ", " + Assembly.FullName;
 166                         }
 167                 }
 168
 169                 public override Type BaseType {
 170                         get {
 171                                 return parent;
 172                         }
 173                 }
 174
 175                 public override Type DeclaringType {
 176                         get { return nesting_type; }
 177                 }
 178
 179                 [ComVisible (true)]
 180                 public override bool IsSubclassOf (Type c)
 181                 {
 182                         Type t;
 183                         if (c == null)
 184                                 return false;
 185                         if (c == this)
 186                                 return false;
 187                         t = parent;
 188                         while (t != null) {
 189                                 if (c == t)
 190                                         return true;
 191                                 t = t.BaseType;
 192                         }
 193                         return false;
 194                 }
 195
 196                 public override Type UnderlyingSystemType {
 197                         get {
 198                                 if (is_created)
 199                                         return created.UnderlyingSystemType;
 200
 201                                 if (IsEnum) {
 202                                         if (underlying_type != null)
 203                                                 return underlying_type;
 204                                         throw new InvalidOperationException (
 205                                                 "Enumeration type is not defined.");
 206                                 }
 207
 208                                 return this;
 209                         }
 210                 }
 211
 212                 string GetFullName ()
 213                 {
 214                         if (nesting_type != null)
 215                                 return String.Concat (nesting_type.FullName, "+", tname);
 216                         if ((nspace != null) && (nspace.Length > 0))
 217                                 return String.Concat (nspace, ".", tname);
 218                         return tname;
 219                 }
 220
 221                 public override string FullName {
 222                         get {
 223                                 return fullname;
 224                         }
 225                 }
 226
 227                 public override Guid GUID {
 228                         get {
 229                                 check_created ();
 230                                 return created.GUID;
 231                         }
 232                 }
 233
 234                 public override Module Module {
 235                         get {return pmodule;}
 236                 }
 237
 238                 public override string Name {
 239                         get {return tname;}
 240                 }
 241
 242                 public override string Namespace {
 243                         get {return nspace;}
 244                 }
 245
 246                 public PackingSize PackingSize {
 247                         get {return packing_size;}
 248                 }
 249
 250                 public int Size {
 251                         get { return class_size; }
 252                 }
 253
 254                 public override Type ReflectedType {
 255                         get { return nesting_type; }
 256                 }
 257
 258                 public void AddDeclarativeSecurity (SecurityAction action, PermissionSet pset)
 259                 {
 260 #if !NET_2_1
 261                         if (pset == null)
 262                                 throw new ArgumentNullException ("pset");
 263                         if ((action == SecurityAction.RequestMinimum) ||
 264                                 (action == SecurityAction.RequestOptional) ||
 265                                 (action == SecurityAction.RequestRefuse))
 266                                 throw new ArgumentOutOfRangeException ("Request* values are not permitted", "action");
 267
 268                         check_not_created ();
 269
 270                         if (permissions != null) {
 271                                 /* Check duplicate actions */
 272                                 foreach (RefEmitPermissionSet set in permissions)
 273                                         if (set.action == action)
 274                                                 throw new InvalidOperationException ("Multiple permission sets specified with the same SecurityAction.");
 275
 276                                 RefEmitPermissionSet[] new_array = new RefEmitPermissionSet [permissions.Length + 1];
 277                                 permissions.CopyTo (new_array, 0);
 278                                 permissions = new_array;
 279                         }
 280                         else
 281                                 permissions = new RefEmitPermissionSet [1];
 282
 283                         permissions [permissions.Length - 1] = new RefEmitPermissionSet (action, pset.ToXml ().ToString ());
 284                         attrs |= TypeAttributes.HasSecurity;
 285 #endif
 286                 }
 287
 288                 [ComVisible (true)]
 289                 public void AddInterfaceImplementation (Type interfaceType)
 290                 {
 291                         if (interfaceType == null)
 292                                 throw new ArgumentNullException ("interfaceType");
 293                         check_not_created ();
 294
 295                         if (interfaces != null) {
 296                                 // Check for duplicates
 297                                 foreach (Type t in interfaces)
 298                                         if (t == interfaceType)
 299                                                 return;
 300
 301                                 Type[] ifnew = new Type [interfaces.Length + 1];
 302                                 interfaces.CopyTo (ifnew, 0);
 303                                 ifnew [interfaces.Length] = interfaceType;
 304                                 interfaces = ifnew;
 305                         } else {
 306                                 interfaces = new Type [1];
 307                                 interfaces [0] = interfaceType;
 308                         }
 309                 }
 310
 311                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder,
 312                                                                        CallingConventions callConvention, Type[] types,
 313                                                                        ParameterModifier[] modifiers)
 314                 {
 315                         check_created ();
 316
 317                         if (created == typeof (object)) {
 318                                 /*
 319                                  * This happens when building corlib. Calling created.GetConstructor
 320                                  * would return constructors from the real mscorlib, instead of the
 321                                  * newly built one.
 322                                  */
 323
 324                                 if (ctors == null)
 325                                         return null;
 326
 327                                 ConstructorBuilder found = null;
 328                                 int count = 0;
 329
 330                                 foreach (ConstructorBuilder cb in ctors) {
 331                                         if (callConvention != CallingConventions.Any && cb.CallingConvention != callConvention)
 332                                                 continue;
 333                                         found = cb;
 334                                         count++;
 335                                 }
 336
 337                                 if (count == 0)
 338                                         return null;
 339                                 if (types == null) {
 340                                         if (count > 1)
 341                                                 throw new AmbiguousMatchException ();
 342                                         return found;
 343                                 }
 344                                 MethodBase[] match = new MethodBase [count];
 345                                 if (count == 1)
 346                                         match [0] = found;
 347                                 else {
 348                                         count = 0;
 349                                         foreach (ConstructorInfo m in ctors) {
 350                                                 if (callConvention != CallingConventions.Any && m.CallingConvention != callConvention)
 351                                                         continue;
 352                                                 match [count++] = m;
 353                                         }
 354                                 }
 355                                 if (binder == null)
 356                                         binder = DefaultBinder;
 357                                 return (ConstructorInfo) binder.SelectMethod (bindingAttr, match,
 358                                                                                                                           types, modifiers);
 359                         }
 360
 361                         return created.GetConstructor (bindingAttr, binder,
 362                                 callConvention, types, modifiers);
 363                 }
 364
 365                 public override bool IsDefined (Type attributeType, bool inherit)
 366                 {
 367                         if (!is_created)
 368                                 throw new NotSupportedException ();
 369                         /*
 370                          * MS throws NotSupported here, but we can't because some corlib
 371                          * classes make calls to IsDefined.
 372                          */
 373                         return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
 374                 }
 375
 376                 public override object[] GetCustomAttributes(bool inherit)
 377                 {
 378                         check_created ();
 379
 380                         return created.GetCustomAttributes (inherit);
 381                 }
 382
 383                 public override object[] GetCustomAttributes(Type attributeType, bool inherit)
 384                 {
 385                         check_created ();
 386
 387                         return created.GetCustomAttributes (attributeType, inherit);
 388                 }
 389
 390                 public TypeBuilder DefineNestedType (string name)
 391                 {
 392                         return DefineNestedType (name, TypeAttributes.NestedPrivate,
 393                                 pmodule.assemblyb.corlib_object_type, null);
 394                 }
 395
 396                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr)
 397                 {
 398                         return DefineNestedType (name, attr, pmodule.assemblyb.corlib_object_type, null);
 399                 }
 400
 401                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent)
 402                 {
 403                         return DefineNestedType (name, attr, parent, null);
 404                 }
 405
 406                 private TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces,
 407                                                       PackingSize packSize, int typeSize)
 408                 {
 409                         // Visibility must be NestedXXX
 410                         /* This breaks mcs
 411                         if (((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.Public) ||
 412                                 ((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NotPublic))
 413                                 throw new ArgumentException ("attr", "Bad type flags for nested type.");
 414                         */
 415                         if (interfaces != null)
 416                                 foreach (Type iface in interfaces)
 417                                         if (iface == null)
 418                                                 throw new ArgumentNullException ("interfaces");
 419
 420                         TypeBuilder res = new TypeBuilder (pmodule, name, attr, parent, interfaces, packSize, typeSize, this);
 421                         res.fullname = res.GetFullName ();
 422                         pmodule.RegisterTypeName (res, res.fullname);
 423                         if (subtypes != null) {
 424                                 TypeBuilder[] new_types = new TypeBuilder [subtypes.Length + 1];
 425                                 System.Array.Copy (subtypes, new_types, subtypes.Length);
 426                                 new_types [subtypes.Length] = res;
 427                                 subtypes = new_types;
 428                         } else {
 429                                 subtypes = new TypeBuilder [1];
 430                                 subtypes [0] = res;
 431                         }
 432                         return res;
 433                 }
 434
 435                 [ComVisible (true)]
 436                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces)
 437                 {
 438                         return DefineNestedType (name, attr, parent, interfaces, PackingSize.Unspecified, UnspecifiedTypeSize);
 439                 }
 440
 441                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, int typeSize)
 442                 {
 443                         return DefineNestedType (name, attr, parent, null, PackingSize.Unspecified, typeSize);
 444                 }
 445
 446                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, PackingSize packSize)
 447                 {
 448                         return DefineNestedType (name, attr, parent, null, packSize, UnspecifiedTypeSize);
 449                 }
 450
 451                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, PackingSize packSize,
 452                                                      int typeSize)
 453                 {
 454                         return DefineNestedType (name, attr, parent, null, packSize, typeSize);
 455                 }
 456
 457                 [ComVisible (true)]
 458                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes)
 459                 {
 460                         return DefineConstructor (attributes, callingConvention, parameterTypes, null, null);
 461                 }
 462
 463                 [ComVisible (true)]
 464                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes, Type[][] requiredCustomModifiers, Type[][] optionalCustomModifiers)
 465                 {
 466                         check_not_created ();
 467                         ConstructorBuilder cb = new ConstructorBuilder (this, attributes,
 468                                 callingConvention, parameterTypes, requiredCustomModifiers,
 469                                 optionalCustomModifiers);
 470                         if (ctors != null) {
 471                                 ConstructorBuilder[] new_ctors = new ConstructorBuilder [ctors.Length+1];
 472                                 System.Array.Copy (ctors, new_ctors, ctors.Length);
 473                                 new_ctors [ctors.Length] = cb;
 474                                 ctors = new_ctors;
 475                         } else {
 476                                 ctors = new ConstructorBuilder [1];
 477                                 ctors [0] = cb;
 478                         }
 479                         return cb;
 480                 }
 481
 482                 [ComVisible (true)]
 483                 public ConstructorBuilder DefineDefaultConstructor (MethodAttributes attributes)
 484                 {
 485                         Type parent_type, old_parent_type;
 486
 487                         if (parent != null)
 488                                 parent_type = parent;
 489                         else
 490                                 parent_type = pmodule.assemblyb.corlib_object_type;
 491
 492                         old_parent_type = parent_type;
 493                         parent_type = parent_type.InternalResolve ();
 494                         /*This avoids corlib to have self references.*/
 495                         if (parent_type == typeof (object) || parent_type == typeof (ValueType))
 496                                 parent_type = old_parent_type;
 497
 498                         ConstructorInfo parent_constructor =
 499                                 parent_type.GetConstructor (
 500                                         BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
 501                                         null, Type.EmptyTypes, null);
 502                         if (parent_constructor == null) {
 503                                 throw new NotSupportedException ("Parent does"
 504                                         + " not have a default constructor."
 505                                         + " The default constructor must be"
 506                                         + " explicitly defined.");
 507                         }
 508
 509                         ConstructorBuilder cb = DefineConstructor (attributes,
 510                                 CallingConventions.Standard, Type.EmptyTypes);
 511                         ILGenerator ig = cb.GetILGenerator ();
 512                         ig.Emit (OpCodes.Ldarg_0);
 513                         ig.Emit (OpCodes.Call, parent_constructor);
 514                         ig.Emit (OpCodes.Ret);
 515                         return cb;
 516                 }
 517
 518                 private void append_method (MethodBuilder mb)
 519                 {
 520                         if (methods != null) {
 521                                 if (methods.Length == num_methods) {
 522                                         MethodBuilder[] new_methods = new MethodBuilder [methods.Length * 2];
 523                                         System.Array.Copy (methods, new_methods, num_methods);
 524                                         methods = new_methods;
 525                                 }
 526                         } else {
 527                                 methods = new MethodBuilder [1];
 528                         }
 529                         methods [num_methods] = mb;
 530                         num_methods ++;
 531                 }
 532
 533                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes)
 534                 {
 535                         return DefineMethod (name, attributes, CallingConventions.Standard,
 536                                 returnType, parameterTypes);
 537                 }
 538
 539                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
 540                 {
 541                         return DefineMethod (name, attributes, callingConvention, returnType,
 542                                 null, null, parameterTypes, null, null);
 543                 }
 544
 545                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 546                 {
 547                         check_name ("name", name);
 548                         check_not_created ();
 549                         if (IsInterface && (
 550                                 !((attributes & MethodAttributes.Abstract) != 0) ||
 551                                 !((attributes & MethodAttributes.Virtual) != 0)) &&
 552                                 !(((attributes & MethodAttributes.Static) != 0)))
 553                                 throw new ArgumentException ("Interface method must be abstract and virtual.");
 554
 555                         if (returnType == null)
 556                                 returnType = pmodule.assemblyb.corlib_void_type;
 557                         MethodBuilder res = new MethodBuilder (this, name, attributes,
 558                                 callingConvention, returnType,
 559                                 returnTypeRequiredCustomModifiers,
 560                                 returnTypeOptionalCustomModifiers, parameterTypes,
 561                                 parameterTypeRequiredCustomModifiers,
 562                                 parameterTypeOptionalCustomModifiers);
 563                         append_method (res);
 564                         return res;
 565                 }
 566
 567                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet)
 568                 {
 569                         return DefinePInvokeMethod (name, dllName, entryName, attributes,
 570                                 callingConvention, returnType, null, null, parameterTypes,
 571                                 null, null, nativeCallConv, nativeCharSet);
 572                 }
 573
 574                 public MethodBuilder DefinePInvokeMethod (
 575                                                 string name,
 576                                                 string dllName,
 577                                                 string entryName, MethodAttributes attributes,
 578                                                 CallingConventions callingConvention,
 579                                                 Type returnType,
 580                                                 Type[] returnTypeRequiredCustomModifiers,
 581                                                 Type[] returnTypeOptionalCustomModifiers,
 582                                                 Type[] parameterTypes,
 583                                                 Type[][] parameterTypeRequiredCustomModifiers,
 584                                                 Type[][] parameterTypeOptionalCustomModifiers,
 585                                                 CallingConvention nativeCallConv,
 586                                                 CharSet nativeCharSet)
 587                 {
 588                         check_name ("name", name);
 589                         check_name ("dllName", dllName);
 590                         check_name ("entryName", entryName);
 591                         if ((attributes & MethodAttributes.Abstract) != 0)
 592                                 throw new ArgumentException ("PInvoke methods must be static and native and cannot be abstract.");
 593                         if (IsInterface)
 594                                 throw new ArgumentException ("PInvoke methods cannot exist on interfaces.");
 595                         check_not_created ();
 596
 597                         MethodBuilder res
 598                                 = new MethodBuilder (
 599                                                 this,
 600                                                 name,
 601                                                 attributes,
 602                                                 callingConvention,
 603                                                 returnType,
 604                                                 returnTypeRequiredCustomModifiers,
 605                                                 returnTypeOptionalCustomModifiers,
 606                                                 parameterTypes,
 607                                                 parameterTypeRequiredCustomModifiers,
 608                                                 parameterTypeOptionalCustomModifiers,
 609                                                 dllName,
 610                                                 entryName,
 611                                                 nativeCallConv,
 612                                                 nativeCharSet);
 613                         append_method (res);
 614                         return res;
 615                 }
 616
 617                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 618                         return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes,
 619                                 nativeCallConv, nativeCharSet);
 620                 }
 621
 622                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes)
 623                 {
 624                         return DefineMethod (name, attributes, CallingConventions.Standard);
 625                 }
 626
 627                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, CallingConventions callingConvention)
 628                 {
 629                         return DefineMethod (name, attributes, callingConvention, null, null);
 630                 }
 631
 632                 public void DefineMethodOverride (MethodInfo methodInfoBody, MethodInfo methodInfoDeclaration)
 633                 {
 634                         if (methodInfoBody == null)
 635                                 throw new ArgumentNullException ("methodInfoBody");
 636                         if (methodInfoDeclaration == null)
 637                                 throw new ArgumentNullException ("methodInfoDeclaration");
 638                         check_not_created ();
 639                         if (methodInfoBody.DeclaringType != this)
 640                                 throw new ArgumentException ("method body must belong to this type");
 641
 642                         if (methodInfoBody is MethodBuilder) {
 643                                 MethodBuilder mb = (MethodBuilder)methodInfoBody;
 644                                 mb.set_override (methodInfoDeclaration);
 645                         }
 646                 }
 647
 648                 public FieldBuilder DefineField (string fieldName, Type type, FieldAttributes attributes)
 649                 {
 650                         return DefineField (fieldName, type, null, null, attributes);
 651                 }
 652
 653                 public FieldBuilder DefineField (string fieldName, Type type, Type[] requiredCustomModifiers, Type[] optionalCustomModifiers, FieldAttributes attributes)
 654                 {
 655                         check_name ("fieldName", fieldName);
 656                         if (type == typeof (void))
 657                                 throw new ArgumentException ("Bad field type in defining field.");
 658                         check_not_created ();
 659
 660                         FieldBuilder res = new FieldBuilder (this, fieldName, type, attributes, requiredCustomModifiers, optionalCustomModifiers);
 661                         if (fields != null) {
 662                                 if (fields.Length == num_fields) {
 663                                         FieldBuilder[] new_fields = new FieldBuilder [fields.Length * 2];
 664                                         System.Array.Copy (fields, new_fields, num_fields);
 665                                         fields = new_fields;
 666                                 }
 667                                 fields [num_fields] = res;
 668                                 num_fields ++;
 669                         } else {
 670                                 fields = new FieldBuilder [1];
 671                                 fields [0] = res;
 672                                 num_fields ++;
 673                                 create_internal_class (this);
 674                         }
 675
 676                         if (IsEnum) {
 677                                 if (underlying_type == null && (attributes & FieldAttributes.Static) == 0)
 678                                         underlying_type = type;
 679                         }
 680
 681                         return res;
 682                 }
 683
 684                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, Type returnType, Type[] parameterTypes)
 685                 {
 686                         return DefineProperty (name, attributes, 0, returnType, null, null, parameterTypes, null, null);
 687                 }
 688
 689                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
 690                 {
 691                         return DefineProperty (name, attributes, callingConvention, returnType , null, null, parameterTypes, null, null);
 692                 }
 693
 694                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 695                 {
 696                         return DefineProperty (name, attributes, 0, returnType, returnTypeRequiredCustomModifiers, returnTypeOptionalCustomModifiers, parameterTypes, parameterTypeRequiredCustomModifiers, parameterTypeOptionalCustomModifiers);
 697                 }
 698
 699                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 700                 {
 701                         check_name ("name", name);
 702                         if (parameterTypes != null)
 703                                 foreach (Type param in parameterTypes)
 704                                         if (param == null)
 705                                                 throw new ArgumentNullException ("parameterTypes");
 706                         check_not_created ();
 707
 708                         PropertyBuilder res = new PropertyBuilder (this, name, attributes, callingConvention, returnType, returnTypeRequiredCustomModifiers, returnTypeOptionalCustomModifiers, parameterTypes, parameterTypeRequiredCustomModifiers, parameterTypeOptionalCustomModifiers);
 709
 710                         if (properties != null) {
 711                                 Array.Resize (ref properties, properties.Length + 1);
 712                                 properties [properties.Length - 1] = res;
 713                         } else {
 714                                 properties = new PropertyBuilder [1] { res };
 715                         }
 716                         return res;
 717                 }
 718
 719                 [ComVisible (true)]
 720                 public ConstructorBuilder DefineTypeInitializer()
 721                 {
 722                         return DefineConstructor (MethodAttributes.Public |
 723                                 MethodAttributes.Static | MethodAttributes.SpecialName |
 724                                 MethodAttributes.RTSpecialName, CallingConventions.Standard,
 725                                 null);
 726                 }
 727
 728                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 729                 private extern TypeInfo create_runtime_class (TypeBuilder tb);
 730
 731                 private bool is_nested_in (Type t)
 732                 {
 733                         while (t != null) {
 734                                 if (t == this)
 735                                         return true;
 736                                 else
 737                                         t = t.DeclaringType;
 738                         }
 739                         return false;
 740                 }
 741
 742                 // Return whenever this type has a ctor defined using DefineMethod ()
 743                 private bool has_ctor_method () {
 744                         MethodAttributes ctor_attrs = MethodAttributes.SpecialName | MethodAttributes.RTSpecialName;
 745
 746                         for (int i = 0; i < num_methods; ++i) {
 747                                 MethodBuilder mb = (MethodBuilder)(methods[i]);
 748
 749                                 if (mb.Name == ConstructorInfo.ConstructorName && (mb.Attributes & ctor_attrs) == ctor_attrs)
 750                                         return true;
 751                         }
 752
 753                         return false;
 754             }
 755
 756                 public Type CreateType ()
 757                 {
 758                         return CreateTypeInfo ();
 759                 }
 760
 761                 public
 762                 TypeInfo CreateTypeInfo ()
 763                 {
 764                         /* handle nesting_type */
 765                         if (createTypeCalled)
 766                                 return created;
 767
 768                         if (!IsInterface && (parent == null) && (this != pmodule.assemblyb.corlib_object_type) && (FullName != "<Module>")) {
 769                                 SetParent (pmodule.assemblyb.corlib_object_type);
 770                         }
 771
 772                         create_generic_class ();
 773
 774                         // Fire TypeResolve events for fields whose type is an unfinished
 775                         // value type.
 776                         if (fields != null) {
 777                                 foreach (FieldBuilder fb in fields) {
 778                                         if (fb == null)
 779                                                 continue;
 780                                         Type ft = fb.FieldType;
 781                                         if (!fb.IsStatic && (ft is TypeBuilder) && ft.IsValueType && (ft != this) && is_nested_in (ft)) {
 782                                                 TypeBuilder tb = (TypeBuilder)ft;
 783                                                 if (!tb.is_created) {
 784                                                         AppDomain.CurrentDomain.DoTypeResolve (tb);
 785                                                         if (!tb.is_created) {
 786                                                                 // FIXME: We should throw an exception here,
 787                                                                 // but mcs expects that the type is created
 788                                                                 // even if the exception is thrown
 789                                                                 //throw new TypeLoadException ("Could not load type " + tb);
 790                                                         }
 791                                                 }
 792                                         }
 793                                 }
 794                         }
 795
 796                         //
 797                         // On classes, define a default constructor if not provided
 798                         //
 799                         if (!(IsInterface || IsValueType) && (ctors == null) && (tname != "<Module>") &&
 800                                 (GetAttributeFlagsImpl () & TypeAttributes.Abstract | TypeAttributes.Sealed) != (TypeAttributes.Abstract | TypeAttributes.Sealed) && !has_ctor_method ())
 801                                 DefineDefaultConstructor (MethodAttributes.Public);
 802
 803                         createTypeCalled = true;
 804
 805                         if ((parent != null) && parent.IsSealed)
 806                                 throw new TypeLoadException ("Could not load type '" + FullName + "' from assembly '" + Assembly + "' because the parent type is sealed.");
 807
 808                         if (parent == pmodule.assemblyb.corlib_enum_type && methods != null)
 809                                 throw new TypeLoadException ("Could not load type '" + FullName + "' from assembly '" + Assembly + "' because it is an enum with methods.");
 810                         if (interfaces != null) {
 811                                 foreach (var iface in interfaces) {
 812                                         if (iface.IsNestedPrivate && iface.Assembly != Assembly)
 813                                                 throw new TypeLoadException ("Could not load type '" + FullName + "' from assembly '" + Assembly + "' because it is implements the inaccessible interface '" + iface.FullName + "'.");
 814                                 }
 815                         }
 816
 817                         if (methods != null) {
 818                                 bool is_concrete = !IsAbstract;
 819                                 for (int i = 0; i < num_methods; ++i) {
 820                                         MethodBuilder mb = (MethodBuilder)(methods[i]);
 821                                         if (is_concrete && mb.IsAbstract)
 822                                                 throw new InvalidOperationException ("Type is concrete but has abstract method " + mb);
 823                                         mb.check_override ();
 824                                         mb.fixup ();
 825                                 }
 826                         }
 827
 828                         if (ctors != null){
 829                                 foreach (ConstructorBuilder ctor in ctors)
 830                                         ctor.fixup ();
 831                         }
 832
 833                         created = create_runtime_class (this);
 834                         if (created != null)
 835                                 return created;
 836                         return this;
 837                 }
 838
 839                 internal void GenerateDebugInfo (ISymbolWriter symbolWriter)
 840                 {
 841                         symbolWriter.OpenNamespace (this.Namespace);
 842
 843                         if (methods != null) {
 844                                 for (int i = 0; i < num_methods; ++i) {
 845                                         MethodBuilder metb = (MethodBuilder) methods[i];
 846                                         metb.GenerateDebugInfo (symbolWriter);
 847                                 }
 848                         }
 849
 850                         if (ctors != null) {
 851                                 foreach (ConstructorBuilder ctor in ctors)
 852                                         ctor.GenerateDebugInfo (symbolWriter);
 853                         }
 854
 855                         symbolWriter.CloseNamespace ();
 856
 857                         if (subtypes != null) {
 858                                 for (int i = 0; i < subtypes.Length; ++i)
 859                                         subtypes [i].GenerateDebugInfo (symbolWriter);
 860                         }
 861                 }
 862
 863                 [ComVisible (true)]
 864                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 865                 {
 866                         if (is_created)
 867                                 return created.GetConstructors (bindingAttr);
 868
 869                         throw new NotSupportedException ();
 870                 }
 871
 872                 internal ConstructorInfo[] GetConstructorsInternal (BindingFlags bindingAttr)
 873                 {
 874                         if (ctors == null)
 875                                 return new ConstructorInfo [0];
 876                         ArrayList l = new ArrayList ();
 877                         bool match;
 878                         MethodAttributes mattrs;
 879
 880                         foreach (ConstructorBuilder c in ctors) {
 881                                 match = false;
 882                                 mattrs = c.Attributes;
 883                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 884                                         if ((bindingAttr & BindingFlags.Public) != 0)
 885                                                 match = true;
 886                                 } else {
 887                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 888                                                 match = true;
 889                                 }
 890                                 if (!match)
 891                                         continue;
 892                                 match = false;
 893                                 if ((mattrs & MethodAttributes.Static) != 0) {
 894                                         if ((bindingAttr & BindingFlags.Static) != 0)
 895                                                 match = true;
 896                                 } else {
 897                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 898                                                 match = true;
 899                                 }
 900                                 if (!match)
 901                                         continue;
 902                                 l.Add (c);
 903                         }
 904                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 905                         l.CopyTo (result);
 906                         return result;
 907                 }
 908
 909                 public override Type GetElementType ()
 910                 {
 911                         throw new NotSupportedException ();
 912                 }
 913
 914                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
 915                 {
 916                         check_created ();
 917                         return created.GetEvent (name, bindingAttr);
 918                 }
 919
 920                 /* Needed to keep signature compatibility with MS.NET */
 921                 public override EventInfo[] GetEvents ()
 922                 {
 923                         const BindingFlags DefaultBindingFlags = BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance;
 924                         return GetEvents (DefaultBindingFlags);
 925                 }
 926
 927                 public override EventInfo[] GetEvents (BindingFlags bindingAttr)
 928                 {
 929                         if (is_created)
 930                                 return created.GetEvents (bindingAttr);
 931                         throw new NotSupportedException ();
 932                 }
 933
 934                 // This is only used from MonoGenericInst.initialize().
 935                 internal EventInfo[] GetEvents_internal (BindingFlags bindingAttr)
 936                 {
 937                         if (events == null)
 938                                 return new EventInfo [0];
 939                         ArrayList l = new ArrayList ();
 940                         bool match;
 941                         MethodAttributes mattrs;
 942                         MethodInfo accessor;
 943
 944                         foreach (EventBuilder eb in events) {
 945                                 if (eb == null)
 946                                         continue;
 947                                 EventInfo c = get_event_info (eb);
 948                                 match = false;
 949                                 accessor = c.GetAddMethod (true);
 950                                 if (accessor == null)
 951                                         accessor = c.GetRemoveMethod (true);
 952                                 if (accessor == null)
 953                                         continue;
 954                                 mattrs = accessor.Attributes;
 955                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 956                                         if ((bindingAttr & BindingFlags.Public) != 0)
 957                                                 match = true;
 958                                 } else {
 959                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 960                                                 match = true;
 961                                 }
 962                                 if (!match)
 963                                         continue;
 964                                 match = false;
 965                                 if ((mattrs & MethodAttributes.Static) != 0) {
 966                                         if ((bindingAttr & BindingFlags.Static) != 0)
 967                                                 match = true;
 968                                 } else {
 969                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 970                                                 match = true;
 971                                 }
 972                                 if (!match)
 973                                         continue;
 974                                 l.Add (c);
 975                         }
 976                         EventInfo[] result = new EventInfo [l.Count];
 977                         l.CopyTo (result);
 978                         return result;
 979                 }
 980
 981                 public override FieldInfo GetField (string name, BindingFlags bindingAttr)
 982                 {
 983                         if (created != null)
 984                                 return created.GetField (name, bindingAttr);
 985
 986                         if (fields == null)
 987                                 return null;
 988
 989                         bool match;
 990                         FieldAttributes mattrs;
 991
 992                         foreach (FieldInfo c in fields) {
 993                                 if (c == null)
 994                                         continue;
 995                                 if (c.Name != name)
 996                                         continue;
 997                                 match = false;
 998                                 mattrs = c.Attributes;
 999                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
1000                                         if ((bindingAttr & BindingFlags.Public) != 0)
1001                                                 match = true;
1002                                 } else {
1003                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1004                                                 match = true;
1005                                 }
1006                                 if (!match)
1007                                         continue;
1008                                 match = false;
1009                                 if ((mattrs & FieldAttributes.Static) != 0) {
1010                                         if ((bindingAttr & BindingFlags.Static) != 0)
1011                                                 match = true;
1012                                 } else {
1013                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1014                                                 match = true;
1015                                 }
1016                                 if (!match)
1017                                         continue;
1018                                 return c;
1019                         }
1020                         return null;
1021                 }
1022
1023                 public override FieldInfo[] GetFields (BindingFlags bindingAttr)
1024                 {
1025                         if (created != null)
1026                                 return created.GetFields (bindingAttr);
1027
1028                         if (fields == null)
1029                                 return new FieldInfo [0];
1030                         ArrayList l = new ArrayList ();
1031                         bool match;
1032                         FieldAttributes mattrs;
1033
1034                         foreach (FieldInfo c in fields) {
1035                                 if (c == null)
1036                                         continue;
1037                                 match = false;
1038                                 mattrs = c.Attributes;
1039                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
1040                                         if ((bindingAttr & BindingFlags.Public) != 0)
1041                                                 match = true;
1042                                 } else {
1043                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1044                                                 match = true;
1045                                 }
1046                                 if (!match)
1047                                         continue;
1048                                 match = false;
1049                                 if ((mattrs & FieldAttributes.Static) != 0) {
1050                                         if ((bindingAttr & BindingFlags.Static) != 0)
1051                                                 match = true;
1052                                 } else {
1053                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1054                                                 match = true;
1055                                 }
1056                                 if (!match)
1057                                         continue;
1058                                 l.Add (c);
1059                         }
1060                         FieldInfo[] result = new FieldInfo [l.Count];
1061                         l.CopyTo (result);
1062                         return result;
1063                 }
1064
1065                 public override Type GetInterface (string name, bool ignoreCase)
1066                 {
1067                         check_created ();
1068                         return created.GetInterface (name, ignoreCase);
1069                 }
1070
1071                 public override Type[] GetInterfaces ()
1072                 {
1073                         if (is_created)
1074                                 return created.GetInterfaces ();
1075
1076                         if (interfaces != null) {
1077                                 Type[] ret = new Type [interfaces.Length];
1078                                 interfaces.CopyTo (ret, 0);
1079                                 return ret;
1080                         } else {
1081                                 return Type.EmptyTypes;
1082                         }
1083                 }
1084
1085                 public override MemberInfo[] GetMember (string name, MemberTypes type,
1086                                                                                                 BindingFlags bindingAttr)
1087                 {
1088                         check_created ();
1089                         return created.GetMember (name, type, bindingAttr);
1090                 }
1091
1092                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
1093                 {
1094                         check_created ();
1095                         return created.GetMembers (bindingAttr);
1096                 }
1097
1098                 private MethodInfo[] GetMethodsByName (string name, BindingFlags bindingAttr, bool ignoreCase, Type reflected_type)
1099                 {
1100                         MethodInfo[] candidates;
1101                         bool match;
1102                         MethodAttributes mattrs;
1103
1104                         if (((bindingAttr & BindingFlags.DeclaredOnly) == 0) && (parent != null)) {
1105                                 MethodInfo [] parent_methods = parent.GetMethods (bindingAttr);
1106                                 ArrayList parent_candidates = new ArrayList (parent_methods.Length);
1107
1108                                 bool flatten = (bindingAttr & BindingFlags.FlattenHierarchy) != 0;
1109
1110                                 for (int i = 0; i < parent_methods.Length; i++) {
1111                                         MethodInfo m = parent_methods [i];
1112
1113                                         mattrs = m.Attributes;
1114
1115                                         if (m.IsStatic && !flatten)
1116                                                 continue;
1117
1118                                         switch (mattrs & MethodAttributes.MemberAccessMask) {
1119                                         case MethodAttributes.Public:
1120                                                 match = (bindingAttr & BindingFlags.Public) != 0;
1121                                                 break;
1122                                         case MethodAttributes.Assembly:
1123                                                 match = (bindingAttr & BindingFlags.NonPublic) != 0;
1124                                                 break;
1125                                         case MethodAttributes.Private:
1126                                                 match = false;
1127                                                 break;
1128                                         default:
1129                                                 match = (bindingAttr & BindingFlags.NonPublic) != 0;
1130                                                 break;
1131                                         }
1132
1133                                         if (match)
1134                                                 parent_candidates.Add (m);
1135                                 }
1136
1137                                 if (methods == null) {
1138                                         candidates = new MethodInfo [parent_candidates.Count];
1139                                         parent_candidates.CopyTo (candidates);
1140                                 } else {
1141                                         candidates = new MethodInfo [methods.Length + parent_candidates.Count];
1142                                         parent_candidates.CopyTo (candidates, 0);
1143                                         methods.CopyTo (candidates, parent_candidates.Count);
1144                                 }
1145                         }
1146                         else
1147                                 candidates = methods;
1148
1149                         if (candidates == null)
1150                                 return new MethodInfo [0];
1151
1152                         ArrayList l = new ArrayList ();
1153
1154                         foreach (MethodInfo c in candidates) {
1155                                 if (c == null)
1156                                         continue;
1157                                 if (name != null) {
1158                                         if (String.Compare (c.Name, name, ignoreCase) != 0)
1159                                                 continue;
1160                                 }
1161                                 match = false;
1162                                 mattrs = c.Attributes;
1163                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
1164                                         if ((bindingAttr & BindingFlags.Public) != 0)
1165                                                 match = true;
1166                                 } else {
1167                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1168                                                 match = true;
1169                                 }
1170                                 if (!match)
1171                                         continue;
1172                                 match = false;
1173                                 if ((mattrs & MethodAttributes.Static) != 0) {
1174                                         if ((bindingAttr & BindingFlags.Static) != 0)
1175                                                 match = true;
1176                                 } else {
1177                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1178                                                 match = true;
1179                                 }
1180                                 if (!match)
1181                                         continue;
1182                                 l.Add (c);
1183                         }
1184
1185                         MethodInfo[] result = new MethodInfo [l.Count];
1186                         l.CopyTo (result);
1187                         return result;
1188                 }
1189
1190                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr)
1191                 {
1192                         return GetMethodsByName (null, bindingAttr, false, this);
1193                 }
1194
1195                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr,
1196                                                              Binder binder,
1197                                                              CallingConventions callConvention,
1198                                                              Type[] types, ParameterModifier[] modifiers)
1199                 {
1200                         check_created ();
1201
1202                         if (types == null)
1203                                 return created.GetMethod (name, bindingAttr);
1204
1205                         return created.GetMethod (name, bindingAttr, binder, callConvention, types, modifiers);
1206                 }
1207
1208                 public override Type GetNestedType (string name, BindingFlags bindingAttr)
1209                 {
1210                         check_created ();
1211
1212                         if (subtypes == null)
1213                                 return null;
1214
1215                         foreach (TypeBuilder t in subtypes) {
1216                                 if (!t.is_created)
1217                                         continue;
1218                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
1219                                         if ((bindingAttr & BindingFlags.Public) == 0)
1220                                                 continue;
1221                                 } else {
1222                                         if ((bindingAttr & BindingFlags.NonPublic) == 0)
1223                                                 continue;
1224                                 }
1225                                 if (t.Name == name)
1226                                         return t.created;
1227                         }
1228
1229                         return null;
1230                 }
1231
1232                 public override Type[] GetNestedTypes (BindingFlags bindingAttr)
1233                 {
1234                         if (!is_created)
1235                                 throw new NotSupportedException ();
1236
1237                         bool match;
1238                         ArrayList result = new ArrayList ();
1239
1240                         if (subtypes == null)
1241                                 return Type.EmptyTypes;
1242                         foreach (TypeBuilder t in subtypes) {
1243                                 match = false;
1244                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
1245                                         if ((bindingAttr & BindingFlags.Public) != 0)
1246                                                 match = true;
1247                                 } else {
1248                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1249                                                 match = true;
1250                                 }
1251                                 if (!match)
1252                                         continue;
1253                                 result.Add (t);
1254                         }
1255                         Type[] r = new Type [result.Count];
1256                         result.CopyTo (r);
1257                         return r;
1258                 }
1259
1260                 public override PropertyInfo[] GetProperties (BindingFlags bindingAttr)
1261                 {
1262                         if (is_created)
1263                                 return created.GetProperties (bindingAttr);
1264
1265                         if (properties == null)
1266                                 return new PropertyInfo [0];
1267                         ArrayList l = new ArrayList ();
1268                         bool match;
1269                         MethodAttributes mattrs;
1270                         MethodInfo accessor;
1271
1272                         foreach (PropertyInfo c in properties) {
1273                                 match = false;
1274                                 accessor = c.GetGetMethod (true);
1275                                 if (accessor == null)
1276                                         accessor = c.GetSetMethod (true);
1277                                 if (accessor == null)
1278                                         continue;
1279                                 mattrs = accessor.Attributes;
1280                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
1281                                         if ((bindingAttr & BindingFlags.Public) != 0)
1282                                                 match = true;
1283                                 } else {
1284                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1285                                                 match = true;
1286                                 }
1287                                 if (!match)
1288                                         continue;
1289                                 match = false;
1290                                 if ((mattrs & MethodAttributes.Static) != 0) {
1291                                         if ((bindingAttr & BindingFlags.Static) != 0)
1292                                                 match = true;
1293                                 } else {
1294                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1295                                                 match = true;
1296                                 }
1297                                 if (!match)
1298                                         continue;
1299                                 l.Add (c);
1300                         }
1301                         PropertyInfo[] result = new PropertyInfo [l.Count];
1302                         l.CopyTo (result);
1303                         return result;
1304                 }
1305
1306                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers)
1307                 {
1308                         throw not_supported ();
1309                 }
1310
1311                 protected override bool HasElementTypeImpl ()
1312                 {
1313                         // a TypeBuilder can never represent an array, pointer
1314                         if (!is_created)
1315                                 return false;
1316
1317                         return created.HasElementType;
1318                 }
1319
1320                 public override object InvokeMember (string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters)
1321                 {
1322                         check_created ();
1323                         return created.InvokeMember (name, invokeAttr, binder, target, args, modifiers, culture, namedParameters);
1324                 }
1325
1326                 protected override bool IsArrayImpl ()
1327                 {
1328                         return false; /*A TypeBuilder never represents a non typedef type.*/
1329                 }
1330
1331                 protected override bool IsByRefImpl ()
1332                 {
1333                         return false; /*A TypeBuilder never represents a non typedef type.*/
1334                 }
1335
1336                 protected override bool IsCOMObjectImpl ()
1337                 {
1338                         return ((GetAttributeFlagsImpl () & TypeAttributes.Import) != 0);
1339                 }
1340
1341                 protected override bool IsPointerImpl ()
1342                 {
1343                         return false; /*A TypeBuilder never represents a non typedef type.*/
1344                 }
1345
1346                 protected override bool IsPrimitiveImpl ()
1347                 {
1348                         // FIXME
1349                         return false;
1350                 }
1351
1352                 // FIXME: I doubt just removing this still works.
1353                 protected override bool IsValueTypeImpl ()
1354                 {
1355                         if (this == pmodule.assemblyb.corlib_value_type || this == pmodule.assemblyb.corlib_enum_type)
1356                                 return false;
1357                         Type parent_type = parent;
1358                         while (parent_type != null) {
1359                                 if (parent_type == pmodule.assemblyb.corlib_value_type)
1360                                         return true;
1361                                 parent_type = parent_type.BaseType;
1362                         }
1363                         return false;
1364                 }
1365
1366                 public override Type MakeArrayType ()
1367                 {
1368                         return new ArrayType (this, 0);
1369                 }
1370
1371                 public override Type MakeArrayType (int rank)
1372                 {
1373                         if (rank < 1)
1374                                 throw new IndexOutOfRangeException ();
1375                         return new ArrayType (this, rank);
1376                 }
1377
1378                 public override Type MakeByRefType ()
1379                 {
1380                         return new ByRefType (this);
1381                 }
1382
1383                 public override Type MakeGenericType (params Type [] typeArguments)
1384                 {
1385                         //return base.MakeGenericType (typeArguments);
1386
1387                         if (!IsGenericTypeDefinition)
1388                                 throw new InvalidOperationException ("not a generic type definition");
1389                         if (typeArguments == null)
1390                                 throw new ArgumentNullException ("typeArguments");
1391
1392                         if (generic_params.Length != typeArguments.Length)
1393                                 throw new ArgumentException (String.Format ("The type or method has {0} generic parameter(s) but {1} generic argument(s) where provided. A generic argument must be provided for each generic parameter.", generic_params.Length, typeArguments.Length), "typeArguments");
1394
1395                         foreach (Type t in typeArguments) {
1396                                 if (t == null)
1397                                         throw new ArgumentNullException ("typeArguments");
1398                         }
1399
1400                         Type[] copy = new Type [typeArguments.Length];
1401                         typeArguments.CopyTo (copy, 0);
1402                         return pmodule.assemblyb.MakeGenericType (this, copy);
1403                 }
1404
1405                 public override Type MakePointerType ()
1406                 {
1407                         return new PointerType (this);
1408                 }
1409
1410                 public override RuntimeTypeHandle TypeHandle {
1411                         get {
1412                                 check_created ();
1413                                 return created.TypeHandle;
1414                         }
1415                 }
1416
1417                 public void SetCustomAttribute (CustomAttributeBuilder customBuilder)
1418                 {
1419                         if (customBuilder == null)
1420                                 throw new ArgumentNullException ("customBuilder");
1421
1422                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
1423                         if (attrname == "System.Runtime.InteropServices.StructLayoutAttribute") {
1424                                 byte[] data = customBuilder.Data;
1425                                 int layout_kind; /* the (stupid) ctor takes a short or an int ... */
1426                                 layout_kind = (int)data [2];
1427                                 layout_kind |= ((int)data [3]) << 8;
1428                                 attrs &= ~TypeAttributes.LayoutMask;
1429                                 switch ((LayoutKind)layout_kind) {
1430                                 case LayoutKind.Auto:
1431                                         attrs |= TypeAttributes.AutoLayout;
1432                                         break;
1433                                 case LayoutKind.Explicit:
1434                                         attrs |= TypeAttributes.ExplicitLayout;
1435                                         break;
1436                                 case LayoutKind.Sequential:
1437                                         attrs |= TypeAttributes.SequentialLayout;
1438                                         break;
1439                                 default:
1440                                         // we should ignore it since it can be any value anyway...
1441                                         throw new Exception ("Error in customattr");
1442                                 }
1443
1444                                 var ctor_type = customBuilder.Ctor is ConstructorBuilder ? ((ConstructorBuilder)customBuilder.Ctor).parameters[0] : customBuilder.Ctor.GetParametersInternal()[0].ParameterType;
1445                                 int pos = 6;
1446                                 if (ctor_type.FullName == "System.Int16")
1447                                         pos = 4;
1448                                 int nnamed = (int)data [pos++];
1449                                 nnamed |= ((int)data [pos++]) << 8;
1450                                 for (int i = 0; i < nnamed; ++i) {
1451                                         //byte named_type = data [pos++];
1452                                         pos ++;
1453                                         byte type = data [pos++];
1454                                         int len;
1455                                         string named_name;
1456
1457                                         if (type == 0x55) {
1458                                                 len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1459                                                 //string named_typename =
1460                                                 CustomAttributeBuilder.string_from_bytes (data, pos, len);
1461                                                 pos += len;
1462                                                 // FIXME: Check that 'named_type' and 'named_typename' match, etc.
1463                                                 //        See related code/FIXME in mono/mono/metadata/reflection.c
1464                                         }
1465
1466                                         len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1467                                         named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
1468                                         pos += len;
1469                                         /* all the fields are integers in StructLayout */
1470                                         int value = (int)data [pos++];
1471                                         value |= ((int)data [pos++]) << 8;
1472                                         value |= ((int)data [pos++]) << 16;
1473                                         value |= ((int)data [pos++]) << 24;
1474                                         switch (named_name) {
1475                                         case "CharSet":
1476                                                 switch ((CharSet)value) {
1477                                                 case CharSet.None:
1478                                                 case CharSet.Ansi:
1479                                                         attrs &= ~(TypeAttributes.UnicodeClass | TypeAttributes.AutoClass);
1480                                                         break;
1481                                                 case CharSet.Unicode:
1482                                                         attrs &= ~TypeAttributes.AutoClass;
1483                                                         attrs |= TypeAttributes.UnicodeClass;
1484                                                         break;
1485                                                 case CharSet.Auto:
1486                                                         attrs &= ~TypeAttributes.UnicodeClass;
1487                                                         attrs |= TypeAttributes.AutoClass;
1488                                                         break;
1489                                                 default:
1490                                                         break; // error out...
1491                                                 }
1492                                                 break;
1493                                         case "Pack":
1494                                                 packing_size = (PackingSize)value;
1495                                                 break;
1496                                         case "Size":
1497                                                 class_size = value;
1498                                                 break;
1499                                         default:
1500                                                 break; // error out...
1501                                         }
1502                                 }
1503                                 return;
1504                         } else if (attrname == "System.Runtime.CompilerServices.SpecialNameAttribute") {
1505                                 attrs |= TypeAttributes.SpecialName;
1506                                 return;
1507                         } else if (attrname == "System.SerializableAttribute") {
1508                                 attrs |= TypeAttributes.Serializable;
1509                                 return;
1510                         } else if (attrname == "System.Runtime.InteropServices.ComImportAttribute") {
1511                                 attrs |= TypeAttributes.Import;
1512                                 return;
1513                         } else if (attrname == "System.Security.SuppressUnmanagedCodeSecurityAttribute") {
1514                                 attrs |= TypeAttributes.HasSecurity;
1515                         }
1516
1517                         if (cattrs != null) {
1518                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
1519                                 cattrs.CopyTo (new_array, 0);
1520                                 new_array [cattrs.Length] = customBuilder;
1521                                 cattrs = new_array;
1522                         } else {
1523                                 cattrs = new CustomAttributeBuilder [1];
1524                                 cattrs [0] = customBuilder;
1525                         }
1526                 }
1527
1528                 [ComVisible (true)]
1529                 public void SetCustomAttribute (ConstructorInfo con, byte[] binaryAttribute)
1530                 {
1531                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
1532                 }
1533
1534                 public EventBuilder DefineEvent (string name, EventAttributes attributes, Type eventtype)
1535                 {
1536                         check_name ("name", name);
1537                         if (eventtype == null)
1538                                 throw new ArgumentNullException ("type");
1539                         check_not_created ();
1540
1541                         EventBuilder res = new EventBuilder (this, name, attributes, eventtype);
1542                         if (events != null) {
1543                                 EventBuilder[] new_events = new EventBuilder [events.Length+1];
1544                                 System.Array.Copy (events, new_events, events.Length);
1545                                 new_events [events.Length] = res;
1546                                 events = new_events;
1547                         } else {
1548                                 events = new EventBuilder [1];
1549                                 events [0] = res;
1550                         }
1551                         return res;
1552                 }
1553
1554                 public FieldBuilder DefineInitializedData (string name, byte[] data, FieldAttributes attributes) {
1555                         if (data == null)
1556                                 throw new ArgumentNullException ("data");
1557
1558                         FieldBuilder res = DefineUninitializedData (name, data.Length, attributes);
1559                         res.SetRVAData (data);
1560                         return res;
1561                 }
1562
1563                 public FieldBuilder DefineUninitializedData (string name, int size, FieldAttributes attributes)
1564                 {
1565                         if (name == null)
1566                                 throw new ArgumentNullException ("name");
1567                         if (name.Length == 0)
1568                                 throw new ArgumentException ("Empty name is not legal", "name");
1569                         if ((size <= 0) || (size > 0x3f0000))
1570                                 throw new ArgumentException ("Data size must be > 0 and < 0x3f0000");
1571                         check_not_created ();
1572
1573                         string typeName = "$ArrayType$" + size;
1574                         Type datablobtype = pmodule.GetRegisteredType (fullname + "+" + typeName);
1575                         if (datablobtype == null) {
1576                                 TypeBuilder tb = DefineNestedType (typeName,
1577                                         TypeAttributes.NestedPrivate|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
1578                                         pmodule.assemblyb.corlib_value_type, null, PackingSize.Size1, size);
1579                                 tb.CreateType ();
1580                                 datablobtype = tb;
1581                         }
1582                         return DefineField (name, datablobtype, attributes|FieldAttributes.Static|FieldAttributes.HasFieldRVA);
1583                 }
1584
1585                 public TypeToken TypeToken {
1586                         get {
1587                                 return new TypeToken (0x02000000 | table_idx);
1588                         }
1589                 }
1590
1591                 public void SetParent (Type parent)
1592                 {
1593                         check_not_created ();
1594
1595                         if (parent == null) {
1596                                 if ((attrs & TypeAttributes.Interface) != 0) {
1597                                         if ((attrs & TypeAttributes.Abstract) == 0)
1598                                                 throw new InvalidOperationException ("Interface must be declared abstract.");
1599                                         this.parent = null;
1600                                 } else {
1601                                         this.parent = typeof (object);
1602                                 }
1603                         } else {
1604                                 this.parent = parent;
1605                         }
1606
1607                         // will just set the parent-related bits if called a second time
1608                         setup_internal_class (this);
1609                 }
1610
1611                 internal int get_next_table_index (object obj, int table, bool inc) {
1612                         return pmodule.get_next_table_index (obj, table, inc);
1613                 }
1614
1615                 [ComVisible (true)]
1616                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
1617                 {
1618                         if (created == null)
1619                                 throw new NotSupportedException ("This method is not implemented for incomplete types.");
1620
1621                         return created.GetInterfaceMap (interfaceType);
1622                 }
1623
1624                 internal override Type InternalResolve ()
1625                 {
1626                         check_created ();
1627                         return created;
1628                 }
1629
1630                 internal bool is_created {
1631                         get {
1632                                 return createTypeCalled;
1633                         }
1634                 }
1635
1636                 private Exception not_supported ()
1637                 {
1638                         return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
1639                 }
1640
1641                 private void check_not_created ()
1642                 {
1643                         if (is_created)
1644                                 throw new InvalidOperationException ("Unable to change after type has been created.");
1645                 }
1646
1647                 private void check_created ()
1648                 {
1649                         if (!is_created)
1650                                 throw not_supported ();
1651                 }
1652
1653                 private void check_name (string argName, string name)
1654                 {
1655                         if (name == null)
1656                                 throw new ArgumentNullException (argName);
1657                         if (name.Length == 0)
1658                                 throw new ArgumentException ("Empty name is not legal", argName);
1659                         if (name [0] == ((char)0))
1660                                 throw new ArgumentException ("Illegal name", argName);
1661                 }
1662
1663                 public override String ToString ()
1664                 {
1665                         return FullName;
1666                 }
1667
1668                 [MonoTODO]
1669                 public override bool IsAssignableFrom (Type c)
1670                 {
1671                         return base.IsAssignableFrom (c);
1672                 }
1673
1674                 [MonoTODO ("arrays")]
1675                 internal bool IsAssignableTo (Type c)
1676                 {
1677                         if (c == this)
1678                                 return true;
1679
1680                         if (c.IsInterface) {
1681                                 if (parent != null && is_created) {
1682                                         if (c.IsAssignableFrom (parent))
1683                                                 return true;
1684                                 }
1685
1686                                 if (interfaces == null)
1687                                         return false;
1688                                 foreach (Type t in interfaces)
1689                                         if (c.IsAssignableFrom (t))
1690                                                 return true;
1691                                 if (!is_created)
1692                                         return false;
1693                         }
1694
1695                         if (parent == null)
1696                                 return c == typeof (object);
1697                         else
1698                                 return c.IsAssignableFrom (parent);
1699                 }
1700
1701                 public bool IsCreated ()
1702                 {
1703                         return is_created;
1704                 }
1705
1706                 public override Type[] GetGenericArguments ()
1707                 {
1708                         if (generic_params == null)
1709                                 return null;
1710                         Type[] args = new Type [generic_params.Length];
1711                         generic_params.CopyTo (args, 0);
1712                         return args;
1713                 }
1714
1715                 public override Type GetGenericTypeDefinition ()
1716                 {
1717                         if (generic_params == null)
1718                                 throw new InvalidOperationException ("Type is not generic");
1719                         return this;
1720                 }
1721
1722                 public override bool ContainsGenericParameters {
1723                         get {
1724                                 return generic_params != null;
1725                         }
1726                 }
1727
1728                 public extern override bool IsGenericParameter {
1729                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
1730                         get;
1731                 }
1732
1733                 public override GenericParameterAttributes GenericParameterAttributes {
1734                         get { return GenericParameterAttributes.None; }
1735                 }
1736
1737                 public override bool IsGenericTypeDefinition {
1738                         get {
1739                                 return generic_params != null;
1740                         }
1741                 }
1742
1743                 public override bool IsGenericType {
1744                         get { return IsGenericTypeDefinition; }
1745                 }
1746
1747                 [MonoTODO]
1748                 public override int GenericParameterPosition {
1749                         get {
1750                                 return 0;
1751                         }
1752                 }
1753
1754                 public override MethodBase DeclaringMethod {
1755                         get {
1756                                 return null;
1757                         }
1758                 }
1759
1760                 public GenericTypeParameterBuilder[] DefineGenericParameters (params string[] names)
1761                 {
1762                         if (names == null)
1763                                 throw new ArgumentNullException ("names");
1764                         if (names.Length == 0)
1765                                 throw new ArgumentException ("names");
1766
1767                         setup_generic_class ();
1768
1769                         generic_params = new GenericTypeParameterBuilder [names.Length];
1770                         for (int i = 0; i < names.Length; i++) {
1771                                 string item = names [i];
1772                                 if (item == null)
1773                                         throw new ArgumentNullException ("names");
1774                                 generic_params [i] = new GenericTypeParameterBuilder (this, null, item, i);
1775                         }
1776
1777                         return generic_params;
1778                 }
1779
1780                 public static ConstructorInfo GetConstructor (Type type, ConstructorInfo constructor)
1781                 {
1782                         /*FIXME I would expect the same checks of GetMethod here*/
1783                         if (type == null)
1784                                 throw new ArgumentException ("Type is not generic", "type");
1785
1786                         if (!type.IsGenericType)
1787                                 throw new ArgumentException ("Type is not a generic type", "type");
1788
1789                         if (type.IsGenericTypeDefinition)
1790                                 throw new ArgumentException ("Type cannot be a generic type definition", "type");
1791
1792                         if (constructor == null)
1793                                 throw new NullReferenceException (); //MS raises this instead of an ArgumentNullException
1794
1795                         if (!constructor.DeclaringType.IsGenericTypeDefinition)
1796                                 throw new ArgumentException ("constructor declaring type is not a generic type definition", "constructor");
1797                         if (constructor.DeclaringType != type.GetGenericTypeDefinition ())
1798                                 throw new ArgumentException ("constructor declaring type is not the generic type definition of type", "constructor");
1799
1800                         ConstructorInfo res = type.GetConstructor (constructor);
1801                         if (res == null)
1802                                 throw new ArgumentException ("constructor not found");
1803
1804                         return res;
1805                 }
1806
1807                 static bool IsValidGetMethodType (Type type)
1808                 {
1809                         if (type is TypeBuilder || type is MonoGenericClass)
1810                                 return true;
1811                         /*GetMethod() must work with TypeBuilders after CreateType() was called.*/
1812                         if (type.Module is ModuleBuilder)
1813                                 return true;
1814                         if (type.IsGenericParameter)
1815                                 return false;
1816
1817                         Type[] inst = type.GetGenericArguments ();
1818                         if (inst == null)
1819                                 return false;
1820                         for (int i = 0; i < inst.Length; ++i) {
1821                                 if (IsValidGetMethodType (inst [i]))
1822                                         return true;
1823                         }
1824                         return false;
1825                 }
1826
1827                 public static MethodInfo GetMethod (Type type, MethodInfo method)
1828                 {
1829                         if (!IsValidGetMethodType (type))
1830                                 throw new ArgumentException ("type is not TypeBuilder but " + type.GetType (), "type");
1831
1832                         if (type is TypeBuilder && type.ContainsGenericParameters)
1833                                 type = type.MakeGenericType (type.GetGenericArguments ());
1834
1835                         if (!type.IsGenericType)
1836                                 throw new ArgumentException ("type is not a generic type", "type");
1837
1838                         if (!method.DeclaringType.IsGenericTypeDefinition)
1839                                 throw new ArgumentException ("method declaring type is not a generic type definition", "method");
1840                         if (method.DeclaringType != type.GetGenericTypeDefinition ())
1841                                 throw new ArgumentException ("method declaring type is not the generic type definition of type", "method");
1842                         if (method == null)
1843                                 throw new NullReferenceException (); //MS raises this instead of an ArgumentNullException
1844
1845                         MethodInfo res = type.GetMethod (method);
1846                         if (res == null)
1847                                 throw new ArgumentException (String.Format ("method {0} not found in type {1}", method.Name, type));
1848
1849                         return res;
1850                 }
1851
1852                 public static FieldInfo GetField (Type type, FieldInfo field)
1853                 {
1854                         if (!type.IsGenericType)
1855                                 throw new ArgumentException ("Type is not a generic type", "type");
1856
1857                         if (type.IsGenericTypeDefinition)
1858                                 throw new ArgumentException ("Type cannot be a generic type definition", "type");
1859
1860                         if (field is FieldOnTypeBuilderInst)
1861                                 throw new ArgumentException ("The specified field must be declared on a generic type definition.", "field");
1862
1863                         if (field.DeclaringType != type.GetGenericTypeDefinition ())
1864                                 throw new ArgumentException ("field declaring type is not the generic type definition of type", "method");
1865
1866                         FieldInfo res = type.GetField (field);
1867                         if (res == null)
1868                                 throw new System.Exception ("field not found");
1869                         else
1870                                 return res;
1871                 }
1872
1873
1874                 void _TypeBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
1875                 {
1876                         throw new NotImplementedException ();
1877                 }
1878
1879                 void _TypeBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
1880                 {
1881                         throw new NotImplementedException ();
1882                 }
1883
1884                 void _TypeBuilder.GetTypeInfoCount (out uint pcTInfo)
1885                 {
1886                         throw new NotImplementedException ();
1887                 }
1888
1889                 void _TypeBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
1890                 {
1891                         throw new NotImplementedException ();
1892                 }
1893
1894                 internal override bool IsUserType {
1895                         get {
1896                                 return false;
1897                         }
1898                 }
1899
1900                 public override bool IsConstructedGenericType {
1901                         get { return false; }
1902                 }
1903
1904                 public override bool IsAssignableFrom (TypeInfo typeInfo)
1905                 {
1906                         return base.IsAssignableFrom (typeInfo);
1907                 }
1908         }
1909 }
1910 #endif