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 = 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                 [ComVisible (true)]
 452                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes)
 453                 {
 454                         return DefineConstructor (attributes, callingConvention, parameterTypes, null, null);
 455                 }
 456
 457                 [ComVisible (true)]
 458                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes, Type[][] requiredCustomModifiers, Type[][] optionalCustomModifiers)
 459                 {
 460                         check_not_created ();
 461                         ConstructorBuilder cb = new ConstructorBuilder (this, attributes,
 462                                 callingConvention, parameterTypes, requiredCustomModifiers,
 463                                 optionalCustomModifiers);
 464                         if (ctors != null) {
 465                                 ConstructorBuilder[] new_ctors = new ConstructorBuilder [ctors.Length+1];
 466                                 System.Array.Copy (ctors, new_ctors, ctors.Length);
 467                                 new_ctors [ctors.Length] = cb;
 468                                 ctors = new_ctors;
 469                         } else {
 470                                 ctors = new ConstructorBuilder [1];
 471                                 ctors [0] = cb;
 472                         }
 473                         return cb;
 474                 }
 475
 476                 [ComVisible (true)]
 477                 public ConstructorBuilder DefineDefaultConstructor (MethodAttributes attributes)
 478                 {
 479                         Type parent_type, old_parent_type;
 480
 481                         if (parent != null)
 482                                 parent_type = parent;
 483                         else
 484                                 parent_type = pmodule.assemblyb.corlib_object_type;
 485
 486                         old_parent_type = parent_type;
 487                         parent_type = parent_type.InternalResolve ();
 488                         /*This avoids corlib to have self references.*/
 489                         if (parent_type == typeof (object) || parent_type == typeof (ValueType))
 490                                 parent_type = old_parent_type;
 491
 492                         ConstructorInfo parent_constructor =
 493                                 parent_type.GetConstructor (
 494                                         BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
 495                                         null, Type.EmptyTypes, null);
 496                         if (parent_constructor == null) {
 497                                 throw new NotSupportedException ("Parent does"
 498                                         + " not have a default constructor."
 499                                         + " The default constructor must be"
 500                                         + " explicitly defined.");
 501                         }
 502
 503                         ConstructorBuilder cb = DefineConstructor (attributes,
 504                                 CallingConventions.Standard, Type.EmptyTypes);
 505                         ILGenerator ig = cb.GetILGenerator ();
 506                         ig.Emit (OpCodes.Ldarg_0);
 507                         ig.Emit (OpCodes.Call, parent_constructor);
 508                         ig.Emit (OpCodes.Ret);
 509                         return cb;
 510                 }
 511
 512                 private void append_method (MethodBuilder mb)
 513                 {
 514                         if (methods != null) {
 515                                 if (methods.Length == num_methods) {
 516                                         MethodBuilder[] new_methods = new MethodBuilder [methods.Length * 2];
 517                                         System.Array.Copy (methods, new_methods, num_methods);
 518                                         methods = new_methods;
 519                                 }
 520                         } else {
 521                                 methods = new MethodBuilder [1];
 522                         }
 523                         methods [num_methods] = mb;
 524                         num_methods ++;
 525                 }
 526
 527                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes)
 528                 {
 529                         return DefineMethod (name, attributes, CallingConventions.Standard,
 530                                 returnType, parameterTypes);
 531                 }
 532
 533                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
 534                 {
 535                         return DefineMethod (name, attributes, callingConvention, returnType,
 536                                 null, null, parameterTypes, null, null);
 537                 }
 538
 539                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 540                 {
 541                         check_name ("name", name);
 542                         check_not_created ();
 543                         if (IsInterface && (
 544                                 !((attributes & MethodAttributes.Abstract) != 0) ||
 545                                 !((attributes & MethodAttributes.Virtual) != 0)) &&
 546                                 !(((attributes & MethodAttributes.Static) != 0)))
 547                                 throw new ArgumentException ("Interface method must be abstract and virtual.");
 548
 549                         if (returnType == null)
 550                                 returnType = pmodule.assemblyb.corlib_void_type;
 551                         MethodBuilder res = new MethodBuilder (this, name, attributes,
 552                                 callingConvention, returnType,
 553                                 returnTypeRequiredCustomModifiers,
 554                                 returnTypeOptionalCustomModifiers, parameterTypes,
 555                                 parameterTypeRequiredCustomModifiers,
 556                                 parameterTypeOptionalCustomModifiers);
 557                         append_method (res);
 558                         return res;
 559                 }
 560
 561                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet)
 562                 {
 563                         return DefinePInvokeMethod (name, dllName, entryName, attributes,
 564                                 callingConvention, returnType, null, null, parameterTypes,
 565                                 null, null, nativeCallConv, nativeCharSet);
 566                 }
 567
 568                 public MethodBuilder DefinePInvokeMethod (
 569                                                 string name,
 570                                                 string dllName,
 571                                                 string entryName, MethodAttributes attributes,
 572                                                 CallingConventions callingConvention,
 573                                                 Type returnType,
 574                                                 Type[] returnTypeRequiredCustomModifiers,
 575                                                 Type[] returnTypeOptionalCustomModifiers,
 576                                                 Type[] parameterTypes,
 577                                                 Type[][] parameterTypeRequiredCustomModifiers,
 578                                                 Type[][] parameterTypeOptionalCustomModifiers,
 579                                                 CallingConvention nativeCallConv,
 580                                                 CharSet nativeCharSet)
 581                 {
 582                         check_name ("name", name);
 583                         check_name ("dllName", dllName);
 584                         check_name ("entryName", entryName);
 585                         if ((attributes & MethodAttributes.Abstract) != 0)
 586                                 throw new ArgumentException ("PInvoke methods must be static and native and cannot be abstract.");
 587                         if (IsInterface)
 588                                 throw new ArgumentException ("PInvoke methods cannot exist on interfaces.");
 589                         check_not_created ();
 590
 591                         MethodBuilder res
 592                                 = new MethodBuilder (
 593                                                 this,
 594                                                 name,
 595                                                 attributes,
 596                                                 callingConvention,
 597                                                 returnType,
 598                                                 returnTypeRequiredCustomModifiers,
 599                                                 returnTypeOptionalCustomModifiers,
 600                                                 parameterTypes,
 601                                                 parameterTypeRequiredCustomModifiers,
 602                                                 parameterTypeOptionalCustomModifiers,
 603                                                 dllName,
 604                                                 entryName,
 605                                                 nativeCallConv,
 606                                                 nativeCharSet);
 607                         append_method (res);
 608                         return res;
 609                 }
 610
 611                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 612                         return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes,
 613                                 nativeCallConv, nativeCharSet);
 614                 }
 615
 616                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes)
 617                 {
 618                         return DefineMethod (name, attributes, CallingConventions.Standard);
 619                 }
 620
 621                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, CallingConventions callingConvention)
 622                 {
 623                         return DefineMethod (name, attributes, callingConvention, null, null);
 624                 }
 625
 626                 public void DefineMethodOverride (MethodInfo methodInfoBody, MethodInfo methodInfoDeclaration)
 627                 {
 628                         if (methodInfoBody == null)
 629                                 throw new ArgumentNullException ("methodInfoBody");
 630                         if (methodInfoDeclaration == null)
 631                                 throw new ArgumentNullException ("methodInfoDeclaration");
 632                         check_not_created ();
 633                         if (methodInfoBody.DeclaringType != this)
 634                                 throw new ArgumentException ("method body must belong to this type");
 635
 636                         if (methodInfoBody is MethodBuilder) {
 637                                 MethodBuilder mb = (MethodBuilder)methodInfoBody;
 638                                 mb.set_override (methodInfoDeclaration);
 639                         }
 640                 }
 641
 642                 public FieldBuilder DefineField (string fieldName, Type type, FieldAttributes attributes)
 643                 {
 644                         return DefineField (fieldName, type, null, null, attributes);
 645                 }
 646
 647                 public FieldBuilder DefineField (string fieldName, Type type, Type[] requiredCustomModifiers, Type[] optionalCustomModifiers, FieldAttributes attributes)
 648                 {
 649                         check_name ("fieldName", fieldName);
 650                         if (type == typeof (void))
 651                                 throw new ArgumentException ("Bad field type in defining field.");
 652                         check_not_created ();
 653
 654                         FieldBuilder res = new FieldBuilder (this, fieldName, type, attributes, requiredCustomModifiers, optionalCustomModifiers);
 655                         if (fields != null) {
 656                                 if (fields.Length == num_fields) {
 657                                         FieldBuilder[] new_fields = new FieldBuilder [fields.Length * 2];
 658                                         System.Array.Copy (fields, new_fields, num_fields);
 659                                         fields = new_fields;
 660                                 }
 661                                 fields [num_fields] = res;
 662                                 num_fields ++;
 663                         } else {
 664                                 fields = new FieldBuilder [1];
 665                                 fields [0] = res;
 666                                 num_fields ++;
 667                                 create_internal_class (this);
 668                         }
 669
 670                         if (IsEnum) {
 671                                 if (underlying_type == null && (attributes & FieldAttributes.Static) == 0)
 672                                         underlying_type = type;
 673                         }
 674
 675                         return res;
 676                 }
 677
 678                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, Type returnType, Type[] parameterTypes)
 679                 {
 680                         return DefineProperty (name, attributes, 0, returnType, null, null, parameterTypes, null, null);
 681                 }
 682
 683                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
 684                 {
 685                         return DefineProperty (name, attributes, callingConvention, returnType , null, null, parameterTypes, null, null);
 686                 }
 687
 688                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 689                 {
 690                         return DefineProperty (name, attributes, 0, returnType, returnTypeRequiredCustomModifiers, returnTypeOptionalCustomModifiers, parameterTypes, parameterTypeRequiredCustomModifiers, parameterTypeOptionalCustomModifiers);
 691                 }
 692
 693                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 694                 {
 695                         check_name ("name", name);
 696                         if (parameterTypes != null)
 697                                 foreach (Type param in parameterTypes)
 698                                         if (param == null)
 699                                                 throw new ArgumentNullException ("parameterTypes");
 700                         check_not_created ();
 701
 702                         PropertyBuilder res = new PropertyBuilder (this, name, attributes, callingConvention, returnType, returnTypeRequiredCustomModifiers, returnTypeOptionalCustomModifiers, parameterTypes, parameterTypeRequiredCustomModifiers, parameterTypeOptionalCustomModifiers);
 703
 704                         if (properties != null) {
 705                                 Array.Resize (ref properties, properties.Length + 1);
 706                                 properties [properties.Length - 1] = res;
 707                         } else {
 708                                 properties = new PropertyBuilder [1] { res };
 709                         }
 710                         return res;
 711                 }
 712
 713                 [ComVisible (true)]
 714                 public ConstructorBuilder DefineTypeInitializer()
 715                 {
 716                         return DefineConstructor (MethodAttributes.Public |
 717                                 MethodAttributes.Static | MethodAttributes.SpecialName |
 718                                 MethodAttributes.RTSpecialName, CallingConventions.Standard,
 719                                 null);
 720                 }
 721
 722                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 723                 private extern TypeInfo create_runtime_class (TypeBuilder tb);
 724
 725                 private bool is_nested_in (Type t)
 726                 {
 727                         while (t != null) {
 728                                 if (t == this)
 729                                         return true;
 730                                 else
 731                                         t = t.DeclaringType;
 732                         }
 733                         return false;
 734                 }
 735
 736                 // Return whenever this type has a ctor defined using DefineMethod ()
 737                 private bool has_ctor_method () {
 738                         MethodAttributes ctor_attrs = MethodAttributes.SpecialName | MethodAttributes.RTSpecialName;
 739
 740                         for (int i = 0; i < num_methods; ++i) {
 741                                 MethodBuilder mb = (MethodBuilder)(methods[i]);
 742
 743                                 if (mb.Name == ConstructorInfo.ConstructorName && (mb.Attributes & ctor_attrs) == ctor_attrs)
 744                                         return true;
 745                         }
 746
 747                         return false;
 748             }
 749
 750                 public Type CreateType ()
 751                 {
 752                         return CreateTypeInfo ();
 753                 }
 754
 755                 public
 756                 TypeInfo CreateTypeInfo ()
 757                 {
 758                         /* handle nesting_type */
 759                         if (createTypeCalled)
 760                                 return created;
 761
 762                         if (!IsInterface && (parent == null) && (this != pmodule.assemblyb.corlib_object_type) && (FullName != "<Module>")) {
 763                                 SetParent (pmodule.assemblyb.corlib_object_type);
 764                         }
 765
 766                         create_generic_class ();
 767
 768                         // Fire TypeResolve events for fields whose type is an unfinished
 769                         // value type.
 770                         if (fields != null) {
 771                                 foreach (FieldBuilder fb in fields) {
 772                                         if (fb == null)
 773                                                 continue;
 774                                         Type ft = fb.FieldType;
 775                                         if (!fb.IsStatic && (ft is TypeBuilder) && ft.IsValueType && (ft != this) && is_nested_in (ft)) {
 776                                                 TypeBuilder tb = (TypeBuilder)ft;
 777                                                 if (!tb.is_created) {
 778                                                         AppDomain.CurrentDomain.DoTypeResolve (tb);
 779                                                         if (!tb.is_created) {
 780                                                                 // FIXME: We should throw an exception here,
 781                                                                 // but mcs expects that the type is created
 782                                                                 // even if the exception is thrown
 783                                                                 //throw new TypeLoadException ("Could not load type " + tb);
 784                                                         }
 785                                                 }
 786                                         }
 787                                 }
 788                         }
 789
 790                         //
 791                         // On classes, define a default constructor if not provided
 792                         //
 793                         if (!(IsInterface || IsValueType) && (ctors == null) && (tname != "<Module>") &&
 794                                 (GetAttributeFlagsImpl () & TypeAttributes.Abstract | TypeAttributes.Sealed) != (TypeAttributes.Abstract | TypeAttributes.Sealed) && !has_ctor_method ())
 795                                 DefineDefaultConstructor (MethodAttributes.Public);
 796
 797                         createTypeCalled = true;
 798
 799                         if ((parent != null) && parent.IsSealed)
 800                                 throw new TypeLoadException ("Could not load type '" + FullName + "' from assembly '" + Assembly + "' because the parent type is sealed.");
 801
 802                         if (parent == pmodule.assemblyb.corlib_enum_type && methods != null)
 803                                 throw new TypeLoadException ("Could not load type '" + FullName + "' from assembly '" + Assembly + "' because it is an enum with methods.");
 804                         if (interfaces != null) {
 805                                 foreach (var iface in interfaces) {
 806                                         if (iface.IsNestedPrivate && iface.Assembly != Assembly)
 807                                                 throw new TypeLoadException ("Could not load type '" + FullName + "' from assembly '" + Assembly + "' because it is implements the inaccessible interface '" + iface.FullName + "'.");
 808                                 }
 809                         }
 810
 811                         if (methods != null) {
 812                                 bool is_concrete = !IsAbstract;
 813                                 for (int i = 0; i < num_methods; ++i) {
 814                                         MethodBuilder mb = (MethodBuilder)(methods[i]);
 815                                         if (is_concrete && mb.IsAbstract)
 816                                                 throw new InvalidOperationException ("Type is concrete but has abstract method " + mb);
 817                                         mb.check_override ();
 818                                         mb.fixup ();
 819                                 }
 820                         }
 821
 822                         if (ctors != null){
 823                                 foreach (ConstructorBuilder ctor in ctors)
 824                                         ctor.fixup ();
 825                         }
 826
 827                         created = create_runtime_class (this);
 828                         if (created != null)
 829                                 return created;
 830                         return this;
 831                 }
 832
 833                 internal void GenerateDebugInfo (ISymbolWriter symbolWriter)
 834                 {
 835                         symbolWriter.OpenNamespace (this.Namespace);
 836
 837                         if (methods != null) {
 838                                 for (int i = 0; i < num_methods; ++i) {
 839                                         MethodBuilder metb = (MethodBuilder) methods[i];
 840                                         metb.GenerateDebugInfo (symbolWriter);
 841                                 }
 842                         }
 843
 844                         if (ctors != null) {
 845                                 foreach (ConstructorBuilder ctor in ctors)
 846                                         ctor.GenerateDebugInfo (symbolWriter);
 847                         }
 848
 849                         symbolWriter.CloseNamespace ();
 850
 851                         if (subtypes != null) {
 852                                 for (int i = 0; i < subtypes.Length; ++i)
 853                                         subtypes [i].GenerateDebugInfo (symbolWriter);
 854                         }
 855                 }
 856
 857                 [ComVisible (true)]
 858                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 859                 {
 860                         if (is_created)
 861                                 return created.GetConstructors (bindingAttr);
 862
 863                         throw new NotSupportedException ();
 864                 }
 865
 866                 internal ConstructorInfo[] GetConstructorsInternal (BindingFlags bindingAttr)
 867                 {
 868                         if (ctors == null)
 869                                 return new ConstructorInfo [0];
 870                         ArrayList l = new ArrayList ();
 871                         bool match;
 872                         MethodAttributes mattrs;
 873
 874                         foreach (ConstructorBuilder c in ctors) {
 875                                 match = false;
 876                                 mattrs = c.Attributes;
 877                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 878                                         if ((bindingAttr & BindingFlags.Public) != 0)
 879                                                 match = true;
 880                                 } else {
 881                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 882                                                 match = true;
 883                                 }
 884                                 if (!match)
 885                                         continue;
 886                                 match = false;
 887                                 if ((mattrs & MethodAttributes.Static) != 0) {
 888                                         if ((bindingAttr & BindingFlags.Static) != 0)
 889                                                 match = true;
 890                                 } else {
 891                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 892                                                 match = true;
 893                                 }
 894                                 if (!match)
 895                                         continue;
 896                                 l.Add (c);
 897                         }
 898                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 899                         l.CopyTo (result);
 900                         return result;
 901                 }
 902
 903                 public override Type GetElementType ()
 904                 {
 905                         throw new NotSupportedException ();
 906                 }
 907
 908                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
 909                 {
 910                         check_created ();
 911                         return created.GetEvent (name, bindingAttr);
 912                 }
 913
 914                 /* Needed to keep signature compatibility with MS.NET */
 915                 public override EventInfo[] GetEvents ()
 916                 {
 917                         return GetEvents (DefaultBindingFlags);
 918                 }
 919
 920                 public override EventInfo[] GetEvents (BindingFlags bindingAttr)
 921                 {
 922                         if (is_created)
 923                                 return created.GetEvents (bindingAttr);
 924                         throw new NotSupportedException ();
 925                 }
 926
 927                 // This is only used from MonoGenericInst.initialize().
 928                 internal EventInfo[] GetEvents_internal (BindingFlags bindingAttr)
 929                 {
 930                         if (events == null)
 931                                 return new EventInfo [0];
 932                         ArrayList l = new ArrayList ();
 933                         bool match;
 934                         MethodAttributes mattrs;
 935                         MethodInfo accessor;
 936
 937                         foreach (EventBuilder eb in events) {
 938                                 if (eb == null)
 939                                         continue;
 940                                 EventInfo c = get_event_info (eb);
 941                                 match = false;
 942                                 accessor = c.GetAddMethod (true);
 943                                 if (accessor == null)
 944                                         accessor = c.GetRemoveMethod (true);
 945                                 if (accessor == null)
 946                                         continue;
 947                                 mattrs = accessor.Attributes;
 948                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 949                                         if ((bindingAttr & BindingFlags.Public) != 0)
 950                                                 match = true;
 951                                 } else {
 952                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 953                                                 match = true;
 954                                 }
 955                                 if (!match)
 956                                         continue;
 957                                 match = false;
 958                                 if ((mattrs & MethodAttributes.Static) != 0) {
 959                                         if ((bindingAttr & BindingFlags.Static) != 0)
 960                                                 match = true;
 961                                 } else {
 962                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 963                                                 match = true;
 964                                 }
 965                                 if (!match)
 966                                         continue;
 967                                 l.Add (c);
 968                         }
 969                         EventInfo[] result = new EventInfo [l.Count];
 970                         l.CopyTo (result);
 971                         return result;
 972                 }
 973
 974                 public override FieldInfo GetField (string name, BindingFlags bindingAttr)
 975                 {
 976                         if (created != null)
 977                                 return created.GetField (name, bindingAttr);
 978
 979                         if (fields == null)
 980                                 return null;
 981
 982                         bool match;
 983                         FieldAttributes mattrs;
 984
 985                         foreach (FieldInfo c in fields) {
 986                                 if (c == null)
 987                                         continue;
 988                                 if (c.Name != name)
 989                                         continue;
 990                                 match = false;
 991                                 mattrs = c.Attributes;
 992                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 993                                         if ((bindingAttr & BindingFlags.Public) != 0)
 994                                                 match = true;
 995                                 } else {
 996                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 997                                                 match = true;
 998                                 }
 999                                 if (!match)
1000                                         continue;
1001                                 match = false;
1002                                 if ((mattrs & FieldAttributes.Static) != 0) {
1003                                         if ((bindingAttr & BindingFlags.Static) != 0)
1004                                                 match = true;
1005                                 } else {
1006                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1007                                                 match = true;
1008                                 }
1009                                 if (!match)
1010                                         continue;
1011                                 return c;
1012                         }
1013                         return null;
1014                 }
1015
1016                 public override FieldInfo[] GetFields (BindingFlags bindingAttr)
1017                 {
1018                         if (created != null)
1019                                 return created.GetFields (bindingAttr);
1020
1021                         if (fields == null)
1022                                 return new FieldInfo [0];
1023                         ArrayList l = new ArrayList ();
1024                         bool match;
1025                         FieldAttributes mattrs;
1026
1027                         foreach (FieldInfo c in fields) {
1028                                 if (c == null)
1029                                         continue;
1030                                 match = false;
1031                                 mattrs = c.Attributes;
1032                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
1033                                         if ((bindingAttr & BindingFlags.Public) != 0)
1034                                                 match = true;
1035                                 } else {
1036                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1037                                                 match = true;
1038                                 }
1039                                 if (!match)
1040                                         continue;
1041                                 match = false;
1042                                 if ((mattrs & FieldAttributes.Static) != 0) {
1043                                         if ((bindingAttr & BindingFlags.Static) != 0)
1044                                                 match = true;
1045                                 } else {
1046                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1047                                                 match = true;
1048                                 }
1049                                 if (!match)
1050                                         continue;
1051                                 l.Add (c);
1052                         }
1053                         FieldInfo[] result = new FieldInfo [l.Count];
1054                         l.CopyTo (result);
1055                         return result;
1056                 }
1057
1058                 public override Type GetInterface (string name, bool ignoreCase)
1059                 {
1060                         check_created ();
1061                         return created.GetInterface (name, ignoreCase);
1062                 }
1063
1064                 public override Type[] GetInterfaces ()
1065                 {
1066                         if (is_created)
1067                                 return created.GetInterfaces ();
1068
1069                         if (interfaces != null) {
1070                                 Type[] ret = new Type [interfaces.Length];
1071                                 interfaces.CopyTo (ret, 0);
1072                                 return ret;
1073                         } else {
1074                                 return Type.EmptyTypes;
1075                         }
1076                 }
1077
1078                 public override MemberInfo[] GetMember (string name, MemberTypes type,
1079                                                                                                 BindingFlags bindingAttr)
1080                 {
1081                         check_created ();
1082                         return created.GetMember (name, type, bindingAttr);
1083                 }
1084
1085                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
1086                 {
1087                         check_created ();
1088                         return created.GetMembers (bindingAttr);
1089                 }
1090
1091                 private MethodInfo[] GetMethodsByName (string name, BindingFlags bindingAttr, bool ignoreCase, Type reflected_type)
1092                 {
1093                         MethodInfo[] candidates;
1094                         bool match;
1095                         MethodAttributes mattrs;
1096
1097                         if (((bindingAttr & BindingFlags.DeclaredOnly) == 0) && (parent != null)) {
1098                                 MethodInfo [] parent_methods = parent.GetMethods (bindingAttr);
1099                                 ArrayList parent_candidates = new ArrayList (parent_methods.Length);
1100
1101                                 bool flatten = (bindingAttr & BindingFlags.FlattenHierarchy) != 0;
1102
1103                                 for (int i = 0; i < parent_methods.Length; i++) {
1104                                         MethodInfo m = parent_methods [i];
1105
1106                                         mattrs = m.Attributes;
1107
1108                                         if (m.IsStatic && !flatten)
1109                                                 continue;
1110
1111                                         switch (mattrs & MethodAttributes.MemberAccessMask) {
1112                                         case MethodAttributes.Public:
1113                                                 match = (bindingAttr & BindingFlags.Public) != 0;
1114                                                 break;
1115                                         case MethodAttributes.Assembly:
1116                                                 match = (bindingAttr & BindingFlags.NonPublic) != 0;
1117                                                 break;
1118                                         case MethodAttributes.Private:
1119                                                 match = false;
1120                                                 break;
1121                                         default:
1122                                                 match = (bindingAttr & BindingFlags.NonPublic) != 0;
1123                                                 break;
1124                                         }
1125
1126                                         if (match)
1127                                                 parent_candidates.Add (m);
1128                                 }
1129
1130                                 if (methods == null) {
1131                                         candidates = new MethodInfo [parent_candidates.Count];
1132                                         parent_candidates.CopyTo (candidates);
1133                                 } else {
1134                                         candidates = new MethodInfo [methods.Length + parent_candidates.Count];
1135                                         parent_candidates.CopyTo (candidates, 0);
1136                                         methods.CopyTo (candidates, parent_candidates.Count);
1137                                 }
1138                         }
1139                         else
1140                                 candidates = methods;
1141
1142                         if (candidates == null)
1143                                 return new MethodInfo [0];
1144
1145                         ArrayList l = new ArrayList ();
1146
1147                         foreach (MethodInfo c in candidates) {
1148                                 if (c == null)
1149                                         continue;
1150                                 if (name != null) {
1151                                         if (String.Compare (c.Name, name, ignoreCase) != 0)
1152                                                 continue;
1153                                 }
1154                                 match = false;
1155                                 mattrs = c.Attributes;
1156                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
1157                                         if ((bindingAttr & BindingFlags.Public) != 0)
1158                                                 match = true;
1159                                 } else {
1160                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1161                                                 match = true;
1162                                 }
1163                                 if (!match)
1164                                         continue;
1165                                 match = false;
1166                                 if ((mattrs & MethodAttributes.Static) != 0) {
1167                                         if ((bindingAttr & BindingFlags.Static) != 0)
1168                                                 match = true;
1169                                 } else {
1170                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1171                                                 match = true;
1172                                 }
1173                                 if (!match)
1174                                         continue;
1175                                 l.Add (c);
1176                         }
1177
1178                         MethodInfo[] result = new MethodInfo [l.Count];
1179                         l.CopyTo (result);
1180                         return result;
1181                 }
1182
1183                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr)
1184                 {
1185                         return GetMethodsByName (null, bindingAttr, false, this);
1186                 }
1187
1188                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr,
1189                                                              Binder binder,
1190                                                              CallingConventions callConvention,
1191                                                              Type[] types, ParameterModifier[] modifiers)
1192                 {
1193                         check_created ();
1194
1195                         bool ignoreCase = ((bindingAttr & BindingFlags.IgnoreCase) != 0);
1196                         MethodInfo[] methods = GetMethodsByName (name, bindingAttr, ignoreCase, this);
1197                         MethodInfo found = null;
1198                         MethodBase[] match;
1199                         int typesLen = (types != null) ? types.Length : 0;
1200                         int count = 0;
1201
1202                         foreach (MethodInfo m in methods) {
1203                                 // Under MS.NET, Standard|HasThis matches Standard...
1204                                 if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
1205                                         continue;
1206                                 found = m;
1207                                 count++;
1208                         }
1209
1210                         if (count == 0)
1211                                 return null;
1212
1213                         if (count == 1 && typesLen == 0)
1214                                 return found;
1215
1216                         match = new MethodBase [count];
1217                         if (count == 1)
1218                                 match [0] = found;
1219                         else {
1220                                 count = 0;
1221                                 foreach (MethodInfo m in methods) {
1222                                         if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
1223                                                 continue;
1224                                         match [count++] = m;
1225                                 }
1226                         }
1227
1228                         if (types == null)
1229                                 return (MethodInfo) Binder.FindMostDerivedMatch (match);
1230
1231                         if (binder == null)
1232                                 binder = Binder.DefaultBinder;
1233
1234                         return (MethodInfo)binder.SelectMethod (bindingAttr, match, types, modifiers);
1235                 }
1236
1237                 public override Type GetNestedType (string name, BindingFlags bindingAttr)
1238                 {
1239                         check_created ();
1240
1241                         if (subtypes == null)
1242                                 return null;
1243
1244                         foreach (TypeBuilder t in subtypes) {
1245                                 if (!t.is_created)
1246                                         continue;
1247                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
1248                                         if ((bindingAttr & BindingFlags.Public) == 0)
1249                                                 continue;
1250                                 } else {
1251                                         if ((bindingAttr & BindingFlags.NonPublic) == 0)
1252                                                 continue;
1253                                 }
1254                                 if (t.Name == name)
1255                                         return t.created;
1256                         }
1257
1258                         return null;
1259                 }
1260
1261                 public override Type[] GetNestedTypes (BindingFlags bindingAttr)
1262                 {
1263                         if (!is_created)
1264                                 throw new NotSupportedException ();
1265
1266                         bool match;
1267                         ArrayList result = new ArrayList ();
1268
1269                         if (subtypes == null)
1270                                 return Type.EmptyTypes;
1271                         foreach (TypeBuilder t in subtypes) {
1272                                 match = false;
1273                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
1274                                         if ((bindingAttr & BindingFlags.Public) != 0)
1275                                                 match = true;
1276                                 } else {
1277                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1278                                                 match = true;
1279                                 }
1280                                 if (!match)
1281                                         continue;
1282                                 result.Add (t);
1283                         }
1284                         Type[] r = new Type [result.Count];
1285                         result.CopyTo (r);
1286                         return r;
1287                 }
1288
1289                 public override PropertyInfo[] GetProperties (BindingFlags bindingAttr)
1290                 {
1291                         if (is_created)
1292                                 return created.GetProperties (bindingAttr);
1293
1294                         if (properties == null)
1295                                 return new PropertyInfo [0];
1296                         ArrayList l = new ArrayList ();
1297                         bool match;
1298                         MethodAttributes mattrs;
1299                         MethodInfo accessor;
1300
1301                         foreach (PropertyInfo c in properties) {
1302                                 match = false;
1303                                 accessor = c.GetGetMethod (true);
1304                                 if (accessor == null)
1305                                         accessor = c.GetSetMethod (true);
1306                                 if (accessor == null)
1307                                         continue;
1308                                 mattrs = accessor.Attributes;
1309                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
1310                                         if ((bindingAttr & BindingFlags.Public) != 0)
1311                                                 match = true;
1312                                 } else {
1313                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1314                                                 match = true;
1315                                 }
1316                                 if (!match)
1317                                         continue;
1318                                 match = false;
1319                                 if ((mattrs & MethodAttributes.Static) != 0) {
1320                                         if ((bindingAttr & BindingFlags.Static) != 0)
1321                                                 match = true;
1322                                 } else {
1323                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1324                                                 match = true;
1325                                 }
1326                                 if (!match)
1327                                         continue;
1328                                 l.Add (c);
1329                         }
1330                         PropertyInfo[] result = new PropertyInfo [l.Count];
1331                         l.CopyTo (result);
1332                         return result;
1333                 }
1334
1335                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers)
1336                 {
1337                         throw not_supported ();
1338                 }
1339
1340                 protected override bool HasElementTypeImpl ()
1341                 {
1342                         // a TypeBuilder can never represent an array, pointer
1343                         if (!is_created)
1344                                 return false;
1345
1346                         return created.HasElementType;
1347                 }
1348
1349                 public override object InvokeMember (string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters)
1350                 {
1351                         check_created ();
1352                         return created.InvokeMember (name, invokeAttr, binder, target, args, modifiers, culture, namedParameters);
1353                 }
1354
1355                 protected override bool IsArrayImpl ()
1356                 {
1357                         return false; /*A TypeBuilder never represents a non typedef type.*/
1358                 }
1359
1360                 protected override bool IsByRefImpl ()
1361                 {
1362                         return false; /*A TypeBuilder never represents a non typedef type.*/
1363                 }
1364
1365                 protected override bool IsCOMObjectImpl ()
1366                 {
1367                         return ((GetAttributeFlagsImpl () & TypeAttributes.Import) != 0);
1368                 }
1369
1370                 protected override bool IsPointerImpl ()
1371                 {
1372                         return false; /*A TypeBuilder never represents a non typedef type.*/
1373                 }
1374
1375                 protected override bool IsPrimitiveImpl ()
1376                 {
1377                         // FIXME
1378                         return false;
1379                 }
1380
1381                 // FIXME: I doubt just removing this still works.
1382                 protected override bool IsValueTypeImpl ()
1383                 {
1384                         if (this == pmodule.assemblyb.corlib_value_type || this == pmodule.assemblyb.corlib_enum_type)
1385                                 return false;
1386                         Type parent_type = parent;
1387                         while (parent_type != null) {
1388                                 if (parent_type == pmodule.assemblyb.corlib_value_type)
1389                                         return true;
1390                                 parent_type = parent_type.BaseType;
1391                         }
1392                         return false;
1393                 }
1394
1395                 public override Type MakeArrayType ()
1396                 {
1397                         return new ArrayType (this, 0);
1398                 }
1399
1400                 public override Type MakeArrayType (int rank)
1401                 {
1402                         if (rank < 1)
1403                                 throw new IndexOutOfRangeException ();
1404                         return new ArrayType (this, rank);
1405                 }
1406
1407                 public override Type MakeByRefType ()
1408                 {
1409                         return new ByRefType (this);
1410                 }
1411
1412                 public override Type MakeGenericType (params Type [] typeArguments)
1413                 {
1414                         //return base.MakeGenericType (typeArguments);
1415
1416                         if (!IsGenericTypeDefinition)
1417                                 throw new InvalidOperationException ("not a generic type definition");
1418                         if (typeArguments == null)
1419                                 throw new ArgumentNullException ("typeArguments");
1420
1421                         if (generic_params.Length != typeArguments.Length)
1422                                 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");
1423
1424                         foreach (Type t in typeArguments) {
1425                                 if (t == null)
1426                                         throw new ArgumentNullException ("typeArguments");
1427                         }
1428
1429                         Type[] copy = new Type [typeArguments.Length];
1430                         typeArguments.CopyTo (copy, 0);
1431                         return pmodule.assemblyb.MakeGenericType (this, copy);
1432                 }
1433
1434                 public override Type MakePointerType ()
1435                 {
1436                         return new PointerType (this);
1437                 }
1438
1439                 public override RuntimeTypeHandle TypeHandle {
1440                         get {
1441                                 check_created ();
1442                                 return created.TypeHandle;
1443                         }
1444                 }
1445
1446                 public void SetCustomAttribute (CustomAttributeBuilder customBuilder)
1447                 {
1448                         if (customBuilder == null)
1449                                 throw new ArgumentNullException ("customBuilder");
1450
1451                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
1452                         if (attrname == "System.Runtime.InteropServices.StructLayoutAttribute") {
1453                                 byte[] data = customBuilder.Data;
1454                                 int layout_kind; /* the (stupid) ctor takes a short or an int ... */
1455                                 layout_kind = (int)data [2];
1456                                 layout_kind |= ((int)data [3]) << 8;
1457                                 attrs &= ~TypeAttributes.LayoutMask;
1458                                 switch ((LayoutKind)layout_kind) {
1459                                 case LayoutKind.Auto:
1460                                         attrs |= TypeAttributes.AutoLayout;
1461                                         break;
1462                                 case LayoutKind.Explicit:
1463                                         attrs |= TypeAttributes.ExplicitLayout;
1464                                         break;
1465                                 case LayoutKind.Sequential:
1466                                         attrs |= TypeAttributes.SequentialLayout;
1467                                         break;
1468                                 default:
1469                                         // we should ignore it since it can be any value anyway...
1470                                         throw new Exception ("Error in customattr");
1471                                 }
1472
1473                                 var ctor_type = customBuilder.Ctor is ConstructorBuilder ? ((ConstructorBuilder)customBuilder.Ctor).parameters[0] : customBuilder.Ctor.GetParametersInternal()[0].ParameterType;
1474                                 int pos = 6;
1475                                 if (ctor_type.FullName == "System.Int16")
1476                                         pos = 4;
1477                                 int nnamed = (int)data [pos++];
1478                                 nnamed |= ((int)data [pos++]) << 8;
1479                                 for (int i = 0; i < nnamed; ++i) {
1480                                         //byte named_type = data [pos++];
1481                                         pos ++;
1482                                         byte type = data [pos++];
1483                                         int len;
1484                                         string named_name;
1485
1486                                         if (type == 0x55) {
1487                                                 len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1488                                                 //string named_typename =
1489                                                 CustomAttributeBuilder.string_from_bytes (data, pos, len);
1490                                                 pos += len;
1491                                                 // FIXME: Check that 'named_type' and 'named_typename' match, etc.
1492                                                 //        See related code/FIXME in mono/mono/metadata/reflection.c
1493                                         }
1494
1495                                         len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1496                                         named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
1497                                         pos += len;
1498                                         /* all the fields are integers in StructLayout */
1499                                         int value = (int)data [pos++];
1500                                         value |= ((int)data [pos++]) << 8;
1501                                         value |= ((int)data [pos++]) << 16;
1502                                         value |= ((int)data [pos++]) << 24;
1503                                         switch (named_name) {
1504                                         case "CharSet":
1505                                                 switch ((CharSet)value) {
1506                                                 case CharSet.None:
1507                                                 case CharSet.Ansi:
1508                                                         attrs &= ~(TypeAttributes.UnicodeClass | TypeAttributes.AutoClass);
1509                                                         break;
1510                                                 case CharSet.Unicode:
1511                                                         attrs &= ~TypeAttributes.AutoClass;
1512                                                         attrs |= TypeAttributes.UnicodeClass;
1513                                                         break;
1514                                                 case CharSet.Auto:
1515                                                         attrs &= ~TypeAttributes.UnicodeClass;
1516                                                         attrs |= TypeAttributes.AutoClass;
1517                                                         break;
1518                                                 default:
1519                                                         break; // error out...
1520                                                 }
1521                                                 break;
1522                                         case "Pack":
1523                                                 packing_size = (PackingSize)value;
1524                                                 break;
1525                                         case "Size":
1526                                                 class_size = value;
1527                                                 break;
1528                                         default:
1529                                                 break; // error out...
1530                                         }
1531                                 }
1532                                 return;
1533                         } else if (attrname == "System.Runtime.CompilerServices.SpecialNameAttribute") {
1534                                 attrs |= TypeAttributes.SpecialName;
1535                                 return;
1536                         } else if (attrname == "System.SerializableAttribute") {
1537                                 attrs |= TypeAttributes.Serializable;
1538                                 return;
1539                         } else if (attrname == "System.Runtime.InteropServices.ComImportAttribute") {
1540                                 attrs |= TypeAttributes.Import;
1541                                 return;
1542                         } else if (attrname == "System.Security.SuppressUnmanagedCodeSecurityAttribute") {
1543                                 attrs |= TypeAttributes.HasSecurity;
1544                         }
1545
1546                         if (cattrs != null) {
1547                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
1548                                 cattrs.CopyTo (new_array, 0);
1549                                 new_array [cattrs.Length] = customBuilder;
1550                                 cattrs = new_array;
1551                         } else {
1552                                 cattrs = new CustomAttributeBuilder [1];
1553                                 cattrs [0] = customBuilder;
1554                         }
1555                 }
1556
1557                 [ComVisible (true)]
1558                 public void SetCustomAttribute (ConstructorInfo con, byte[] binaryAttribute)
1559                 {
1560                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
1561                 }
1562
1563                 public EventBuilder DefineEvent (string name, EventAttributes attributes, Type eventtype)
1564                 {
1565                         check_name ("name", name);
1566                         if (eventtype == null)
1567                                 throw new ArgumentNullException ("type");
1568                         check_not_created ();
1569
1570                         EventBuilder res = new EventBuilder (this, name, attributes, eventtype);
1571                         if (events != null) {
1572                                 EventBuilder[] new_events = new EventBuilder [events.Length+1];
1573                                 System.Array.Copy (events, new_events, events.Length);
1574                                 new_events [events.Length] = res;
1575                                 events = new_events;
1576                         } else {
1577                                 events = new EventBuilder [1];
1578                                 events [0] = res;
1579                         }
1580                         return res;
1581                 }
1582
1583                 public FieldBuilder DefineInitializedData (string name, byte[] data, FieldAttributes attributes) {
1584                         if (data == null)
1585                                 throw new ArgumentNullException ("data");
1586
1587                         FieldBuilder res = DefineUninitializedData (name, data.Length, attributes);
1588                         res.SetRVAData (data);
1589                         return res;
1590                 }
1591
1592                 public FieldBuilder DefineUninitializedData (string name, int size, FieldAttributes attributes)
1593                 {
1594                         if (name == null)
1595                                 throw new ArgumentNullException ("name");
1596                         if (name.Length == 0)
1597                                 throw new ArgumentException ("Empty name is not legal", "name");
1598                         if ((size <= 0) || (size > 0x3f0000))
1599                                 throw new ArgumentException ("Data size must be > 0 and < 0x3f0000");
1600                         check_not_created ();
1601
1602                         string typeName = "$ArrayType$" + size;
1603                         Type datablobtype = pmodule.GetRegisteredType (fullname + "+" + typeName);
1604                         if (datablobtype == null) {
1605                                 TypeBuilder tb = DefineNestedType (typeName,
1606                                         TypeAttributes.NestedPrivate|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
1607                                         pmodule.assemblyb.corlib_value_type, null, PackingSize.Size1, size);
1608                                 tb.CreateType ();
1609                                 datablobtype = tb;
1610                         }
1611                         return DefineField (name, datablobtype, attributes|FieldAttributes.Static|FieldAttributes.HasFieldRVA);
1612                 }
1613
1614                 public TypeToken TypeToken {
1615                         get {
1616                                 return new TypeToken (0x02000000 | table_idx);
1617                         }
1618                 }
1619
1620                 public void SetParent (Type parent)
1621                 {
1622                         check_not_created ();
1623
1624                         if (parent == null) {
1625                                 if ((attrs & TypeAttributes.Interface) != 0) {
1626                                         if ((attrs & TypeAttributes.Abstract) == 0)
1627                                                 throw new InvalidOperationException ("Interface must be declared abstract.");
1628                                         this.parent = null;
1629                                 } else {
1630                                         this.parent = typeof (object);
1631                                 }
1632                         } else {
1633                                 this.parent = parent;
1634                         }
1635
1636                         // will just set the parent-related bits if called a second time
1637                         setup_internal_class (this);
1638                 }
1639
1640                 internal int get_next_table_index (object obj, int table, bool inc) {
1641                         return pmodule.get_next_table_index (obj, table, inc);
1642                 }
1643
1644                 [ComVisible (true)]
1645                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
1646                 {
1647                         if (created == null)
1648                                 throw new NotSupportedException ("This method is not implemented for incomplete types.");
1649
1650                         return created.GetInterfaceMap (interfaceType);
1651                 }
1652
1653                 internal override Type InternalResolve ()
1654                 {
1655                         check_created ();
1656                         return created;
1657                 }
1658
1659                 internal bool is_created {
1660                         get {
1661                                 return createTypeCalled;
1662                         }
1663                 }
1664
1665                 private Exception not_supported ()
1666                 {
1667                         return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
1668                 }
1669
1670                 private void check_not_created ()
1671                 {
1672                         if (is_created)
1673                                 throw new InvalidOperationException ("Unable to change after type has been created.");
1674                 }
1675
1676                 private void check_created ()
1677                 {
1678                         if (!is_created)
1679                                 throw not_supported ();
1680                 }
1681
1682                 private void check_name (string argName, string name)
1683                 {
1684                         if (name == null)
1685                                 throw new ArgumentNullException (argName);
1686                         if (name.Length == 0)
1687                                 throw new ArgumentException ("Empty name is not legal", argName);
1688                         if (name [0] == ((char)0))
1689                                 throw new ArgumentException ("Illegal name", argName);
1690                 }
1691
1692                 public override String ToString ()
1693                 {
1694                         return FullName;
1695                 }
1696
1697                 [MonoTODO]
1698                 public override bool IsAssignableFrom (Type c)
1699                 {
1700                         return base.IsAssignableFrom (c);
1701                 }
1702
1703                 [MonoTODO ("arrays")]
1704                 internal bool IsAssignableTo (Type c)
1705                 {
1706                         if (c == this)
1707                                 return true;
1708
1709                         if (c.IsInterface) {
1710                                 if (parent != null && is_created) {
1711                                         if (c.IsAssignableFrom (parent))
1712                                                 return true;
1713                                 }
1714
1715                                 if (interfaces == null)
1716                                         return false;
1717                                 foreach (Type t in interfaces)
1718                                         if (c.IsAssignableFrom (t))
1719                                                 return true;
1720                                 if (!is_created)
1721                                         return false;
1722                         }
1723
1724                         if (parent == null)
1725                                 return c == typeof (object);
1726                         else
1727                                 return c.IsAssignableFrom (parent);
1728                 }
1729
1730                 public bool IsCreated ()
1731                 {
1732                         return is_created;
1733                 }
1734
1735                 public override Type[] GetGenericArguments ()
1736                 {
1737                         if (generic_params == null)
1738                                 return null;
1739                         Type[] args = new Type [generic_params.Length];
1740                         generic_params.CopyTo (args, 0);
1741                         return args;
1742                 }
1743
1744                 public override Type GetGenericTypeDefinition ()
1745                 {
1746                         if (generic_params == null)
1747                                 throw new InvalidOperationException ("Type is not generic");
1748                         return this;
1749                 }
1750
1751                 public override bool ContainsGenericParameters {
1752                         get {
1753                                 return generic_params != null;
1754                         }
1755                 }
1756
1757                 public extern override bool IsGenericParameter {
1758                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
1759                         get;
1760                 }
1761
1762                 public override GenericParameterAttributes GenericParameterAttributes {
1763                         get { return GenericParameterAttributes.None; }
1764                 }
1765
1766                 public override bool IsGenericTypeDefinition {
1767                         get {
1768                                 return generic_params != null;
1769                         }
1770                 }
1771
1772                 public override bool IsGenericType {
1773                         get { return IsGenericTypeDefinition; }
1774                 }
1775
1776                 [MonoTODO]
1777                 public override int GenericParameterPosition {
1778                         get {
1779                                 return 0;
1780                         }
1781                 }
1782
1783                 public override MethodBase DeclaringMethod {
1784                         get {
1785                                 return null;
1786                         }
1787                 }
1788
1789                 public GenericTypeParameterBuilder[] DefineGenericParameters (params string[] names)
1790                 {
1791                         if (names == null)
1792                                 throw new ArgumentNullException ("names");
1793                         if (names.Length == 0)
1794                                 throw new ArgumentException ("names");
1795
1796                         setup_generic_class ();
1797
1798                         generic_params = new GenericTypeParameterBuilder [names.Length];
1799                         for (int i = 0; i < names.Length; i++) {
1800                                 string item = names [i];
1801                                 if (item == null)
1802                                         throw new ArgumentNullException ("names");
1803                                 generic_params [i] = new GenericTypeParameterBuilder (this, null, item, i);
1804                         }
1805
1806                         return generic_params;
1807                 }
1808
1809                 public static ConstructorInfo GetConstructor (Type type, ConstructorInfo constructor)
1810                 {
1811                         /*FIXME I would expect the same checks of GetMethod here*/
1812                         if (type == null)
1813                                 throw new ArgumentException ("Type is not generic", "type");
1814
1815                         if (!type.IsGenericType)
1816                                 throw new ArgumentException ("Type is not a generic type", "type");
1817
1818                         if (type.IsGenericTypeDefinition)
1819                                 throw new ArgumentException ("Type cannot be a generic type definition", "type");
1820
1821                         if (constructor == null)
1822                                 throw new NullReferenceException (); //MS raises this instead of an ArgumentNullException
1823
1824                         if (!constructor.DeclaringType.IsGenericTypeDefinition)
1825                                 throw new ArgumentException ("constructor declaring type is not a generic type definition", "constructor");
1826                         if (constructor.DeclaringType != type.GetGenericTypeDefinition ())
1827                                 throw new ArgumentException ("constructor declaring type is not the generic type definition of type", "constructor");
1828
1829                         ConstructorInfo res = type.GetConstructor (constructor);
1830                         if (res == null)
1831                                 throw new ArgumentException ("constructor not found");
1832
1833                         return res;
1834                 }
1835
1836                 static bool IsValidGetMethodType (Type type)
1837                 {
1838                         if (type is TypeBuilder || type is MonoGenericClass)
1839                                 return true;
1840                         /*GetMethod() must work with TypeBuilders after CreateType() was called.*/
1841                         if (type.Module is ModuleBuilder)
1842                                 return true;
1843                         if (type.IsGenericParameter)
1844                                 return false;
1845
1846                         Type[] inst = type.GetGenericArguments ();
1847                         if (inst == null)
1848                                 return false;
1849                         for (int i = 0; i < inst.Length; ++i) {
1850                                 if (IsValidGetMethodType (inst [i]))
1851                                         return true;
1852                         }
1853                         return false;
1854                 }
1855
1856                 public static MethodInfo GetMethod (Type type, MethodInfo method)
1857                 {
1858                         if (!IsValidGetMethodType (type))
1859                                 throw new ArgumentException ("type is not TypeBuilder but " + type.GetType (), "type");
1860
1861                         if (type is TypeBuilder && type.ContainsGenericParameters)
1862                                 type = type.MakeGenericType (type.GetGenericArguments ());
1863
1864                         if (!type.IsGenericType)
1865                                 throw new ArgumentException ("type is not a generic type", "type");
1866
1867                         if (!method.DeclaringType.IsGenericTypeDefinition)
1868                                 throw new ArgumentException ("method declaring type is not a generic type definition", "method");
1869                         if (method.DeclaringType != type.GetGenericTypeDefinition ())
1870                                 throw new ArgumentException ("method declaring type is not the generic type definition of type", "method");
1871                         if (method == null)
1872                                 throw new NullReferenceException (); //MS raises this instead of an ArgumentNullException
1873
1874                         MethodInfo res = type.GetMethod (method);
1875                         if (res == null)
1876                                 throw new ArgumentException (String.Format ("method {0} not found in type {1}", method.Name, type));
1877
1878                         return res;
1879                 }
1880
1881                 public static FieldInfo GetField (Type type, FieldInfo field)
1882                 {
1883                         if (!type.IsGenericType)
1884                                 throw new ArgumentException ("Type is not a generic type", "type");
1885
1886                         if (type.IsGenericTypeDefinition)
1887                                 throw new ArgumentException ("Type cannot be a generic type definition", "type");
1888
1889                         if (field is FieldOnTypeBuilderInst)
1890                                 throw new ArgumentException ("The specified field must be declared on a generic type definition.", "field");
1891
1892                         if (field.DeclaringType != type.GetGenericTypeDefinition ())
1893                                 throw new ArgumentException ("field declaring type is not the generic type definition of type", "method");
1894
1895                         FieldInfo res = type.GetField (field);
1896                         if (res == null)
1897                                 throw new System.Exception ("field not found");
1898                         else
1899                                 return res;
1900                 }
1901
1902                 internal TypeCode GetTypeCodeInternal () {
1903                         if (parent == pmodule.assemblyb.corlib_enum_type) {
1904                                 for (int i = 0; i < num_fields; ++i) {
1905                                         FieldBuilder f = fields [i];
1906                                         if (!f.IsStatic)
1907                                                 return Type.GetTypeCode (f.FieldType);
1908                                 }
1909                                 throw new InvalidOperationException ("Enum basetype field not defined");
1910                         } else {
1911                                 return Type.GetTypeCodeInternal (this);
1912                         }
1913                 }
1914
1915
1916                 void _TypeBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
1917                 {
1918                         throw new NotImplementedException ();
1919                 }
1920
1921                 void _TypeBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
1922                 {
1923                         throw new NotImplementedException ();
1924                 }
1925
1926                 void _TypeBuilder.GetTypeInfoCount (out uint pcTInfo)
1927                 {
1928                         throw new NotImplementedException ();
1929                 }
1930
1931                 void _TypeBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
1932                 {
1933                         throw new NotImplementedException ();
1934                 }
1935
1936                 internal override bool IsUserType {
1937                         get {
1938                                 return false;
1939                         }
1940                 }
1941
1942                 public override bool IsConstructedGenericType {
1943                         get { return false; }
1944                 }
1945
1946                 public override bool IsAssignableFrom (TypeInfo typeInfo)
1947                 {
1948                         return base.IsAssignableFrom (typeInfo);
1949                 }
1950         }
1951 }
1952 #endif