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 using System;
  35 using System.Text;
  36 using System.Reflection;
  37 using System.Reflection.Emit;
  38 using System.Runtime.CompilerServices;
  39 using System.Runtime.InteropServices;
  40 using System.Globalization;
  41 using System.Collections;
  42 using System.Security;
  43 using System.Security.Permissions;
  44 using System.Diagnostics.SymbolStore;
  45
  46 namespace System.Reflection.Emit
  47 {
  48         [ComVisible (true)]
  49         [ComDefaultInterface (typeof (_TypeBuilder))]
  50         [ClassInterface (ClassInterfaceType.None)]
  51         public sealed class TypeBuilder : Type, _TypeBuilder
  52         {
  53 #pragma warning disable 169
  54                 #region Sync with reflection.h
  55                 private string tname;
  56                 private string nspace;
  57                 private Type parent;
  58                 private Type nesting_type;
  59                 internal Type[] interfaces;
  60                 internal int num_methods;
  61                 internal MethodBuilder[] methods;
  62                 internal ConstructorBuilder[] ctors;
  63                 internal PropertyBuilder[] properties;
  64                 internal int num_fields;
  65                 internal FieldBuilder[] fields;
  66                 internal EventBuilder[] events;
  67                 private CustomAttributeBuilder[] cattrs;
  68                 internal TypeBuilder[] subtypes;
  69                 internal TypeAttributes attrs;
  70                 private int table_idx;
  71                 private ModuleBuilder pmodule;
  72                 private int class_size;
  73                 private PackingSize packing_size;
  74                 private IntPtr generic_container;
  75                 private GenericTypeParameterBuilder[] generic_params;
  76                 private RefEmitPermissionSet[] permissions;
  77                 private Type created;
  78                 #endregion
  79 #pragma warning restore 169
  80
  81                 string fullname;
  82                 bool createTypeCalled;
  83                 private Type underlying_type;
  84
  85                 public const int UnspecifiedTypeSize = 0;
  86
  87                 protected override TypeAttributes GetAttributeFlagsImpl ()
  88                 {
  89                         return attrs;
  90                 }
  91
  92                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  93                 private extern void setup_internal_class (TypeBuilder tb);
  94
  95                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  96                 private extern void create_internal_class (TypeBuilder tb);
  97
  98                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  99                 private extern void setup_generic_class ();
 100
 101                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 102                 private extern void create_generic_class ();
 103
 104                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 105                 private extern EventInfo get_event_info (EventBuilder eb);
 106
 107                 internal TypeBuilder (ModuleBuilder mb, TypeAttributes attr, int table_idx)
 108                 {
 109                         this.parent = null;
 110                         this.attrs = attr;
 111                         this.class_size = UnspecifiedTypeSize;
 112                         this.table_idx = table_idx;
 113                         fullname = this.tname = table_idx == 1 ? "<Module>" : "type_" + table_idx.ToString ();
 114                         this.nspace = String.Empty;
 115                         pmodule = mb;
 116                         setup_internal_class (this);
 117                 }
 118
 119                 internal TypeBuilder (ModuleBuilder mb, string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packing_size, int type_size, Type nesting_type)
 120                 {
 121                         int sep_index;
 122                         this.parent = parent;
 123                         this.attrs = attr;
 124                         this.class_size = type_size;
 125                         this.packing_size = packing_size;
 126                         this.nesting_type = nesting_type;
 127
 128                         check_name ("fullname", name);
 129
 130                         if (parent == null && (attr & TypeAttributes.Interface) != 0 && (attr & TypeAttributes.Abstract) == 0)
 131                                 throw new InvalidOperationException ("Interface must be declared abstract.");
 132
 133                         sep_index = name.LastIndexOf('.');
 134                         if (sep_index != -1) {
 135                                 this.tname = name.Substring (sep_index + 1);
 136                                 this.nspace = name.Substring (0, sep_index);
 137                         } else {
 138                                 this.tname = name;
 139                                 this.nspace = String.Empty;
 140                         }
 141                         if (interfaces != null) {
 142                                 this.interfaces = new Type[interfaces.Length];
 143                                 System.Array.Copy (interfaces, this.interfaces, interfaces.Length);
 144                         }
 145                         pmodule = mb;
 146
 147                         if (((attr & TypeAttributes.Interface) == 0) && (parent == null) && !IsCompilerContext)
 148                                 this.parent = typeof (object);
 149
 150                         // skip .<Module> ?
 151                         table_idx = mb.get_next_table_index (this, 0x02, true);
 152                         setup_internal_class (this);
 153                         fullname = GetFullName ();
 154                 }
 155
 156                 public override Assembly Assembly {
 157                         get {return pmodule.Assembly;}
 158                 }
 159
 160                 public override string AssemblyQualifiedName {
 161                         get {
 162                                 return fullname + ", " + Assembly.FullName;
 163                         }
 164                 }
 165
 166                 public override Type BaseType {
 167                         get {
 168                                 return parent;
 169                         }
 170                 }
 171
 172                 public override Type DeclaringType {
 173                         get { return nesting_type; }
 174                 }
 175
 176                 [ComVisible (true)]
 177                 public override bool IsSubclassOf (Type c)
 178                 {
 179                         Type t;
 180                         if (c == null)
 181                                 return false;
 182                         if (c == this)
 183                                 return false;
 184                         t = parent;
 185                         while (t != null) {
 186                                 if (c == t)
 187                                         return true;
 188                                 t = t.BaseType;
 189                         }
 190                         return false;
 191                 }
 192
 193                 public override Type UnderlyingSystemType {
 194                         get {
 195                                 if (is_created)
 196                                         return created.UnderlyingSystemType;
 197
 198                                 if (!IsCompilerContext && IsEnum) {
 199                                         if (underlying_type != null)
 200                                                 return underlying_type;
 201                                         throw new InvalidOperationException (
 202                                                 "Enumeration type is not defined.");
 203                                 }
 204
 205                                 return this;
 206                         }
 207                 }
 208
 209                 string GetFullName ()
 210                 {
 211                         if (nesting_type != null)
 212                                 return String.Concat (nesting_type.FullName, "+", tname);
 213                         if ((nspace != null) && (nspace.Length > 0))
 214                                 return String.Concat (nspace, ".", tname);
 215                         return tname;
 216                 }
 217
 218                 public override string FullName {
 219                         get {
 220                                 return fullname;
 221                         }
 222                 }
 223
 224                 public override Guid GUID {
 225                         get {
 226                                 check_created ();
 227                                 return created.GUID;
 228                         }
 229                 }
 230
 231                 public override Module Module {
 232                         get {return pmodule;}
 233                 }
 234
 235                 public override string Name {
 236                         get {return tname;}
 237                 }
 238
 239                 public override string Namespace {
 240                         get {return nspace;}
 241                 }
 242
 243                 public PackingSize PackingSize {
 244                         get {return packing_size;}
 245                 }
 246
 247                 public int Size {
 248                         get { return class_size; }
 249                 }
 250
 251                 public override Type ReflectedType {
 252                         get { return nesting_type; }
 253                 }
 254
 255                 public void AddDeclarativeSecurity (SecurityAction action, PermissionSet pset)
 256                 {
 257 #if !NET_2_1
 258                         if (pset == null)
 259                                 throw new ArgumentNullException ("pset");
 260                         if ((action == SecurityAction.RequestMinimum) ||
 261                                 (action == SecurityAction.RequestOptional) ||
 262                                 (action == SecurityAction.RequestRefuse))
 263                                 throw new ArgumentOutOfRangeException ("Request* values are not permitted", "action");
 264
 265                         check_not_created ();
 266
 267                         if (permissions != null) {
 268                                 /* Check duplicate actions */
 269                                 foreach (RefEmitPermissionSet set in permissions)
 270                                         if (set.action == action)
 271                                                 throw new InvalidOperationException ("Multiple permission sets specified with the same SecurityAction.");
 272
 273                                 RefEmitPermissionSet[] new_array = new RefEmitPermissionSet [permissions.Length + 1];
 274                                 permissions.CopyTo (new_array, 0);
 275                                 permissions = new_array;
 276                         }
 277                         else
 278                                 permissions = new RefEmitPermissionSet [1];
 279
 280                         permissions [permissions.Length - 1] = new RefEmitPermissionSet (action, pset.ToXml ().ToString ());
 281                         attrs |= TypeAttributes.HasSecurity;
 282 #endif
 283                 }
 284
 285                 [ComVisible (true)]
 286                 public void AddInterfaceImplementation (Type interfaceType)
 287                 {
 288                         if (interfaceType == null)
 289                                 throw new ArgumentNullException ("interfaceType");
 290                         check_not_created ();
 291
 292                         if (interfaces != null) {
 293                                 // Check for duplicates
 294                                 foreach (Type t in interfaces)
 295                                         if (t == interfaceType)
 296                                                 return;
 297
 298                                 Type[] ifnew = new Type [interfaces.Length + 1];
 299                                 interfaces.CopyTo (ifnew, 0);
 300                                 ifnew [interfaces.Length] = interfaceType;
 301                                 interfaces = ifnew;
 302                         } else {
 303                                 interfaces = new Type [1];
 304                                 interfaces [0] = interfaceType;
 305                         }
 306                 }
 307
 308                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder,
 309                                                                        CallingConventions callConvention, Type[] types,
 310                                                                        ParameterModifier[] modifiers)
 311                 {
 312                         check_created ();
 313
 314                         if (created == typeof (object)) {
 315                                 /*
 316                                  * This happens when building corlib. Calling created.GetConstructor
 317                                  * would return constructors from the real mscorlib, instead of the
 318                                  * newly built one.
 319                                  */
 320
 321                                 if (ctors == null)
 322                                         return null;
 323
 324                                 ConstructorBuilder found = null;
 325                                 int count = 0;
 326
 327                                 foreach (ConstructorBuilder cb in ctors) {
 328                                         if (callConvention != CallingConventions.Any && cb.CallingConvention != callConvention)
 329                                                 continue;
 330                                         found = cb;
 331                                         count++;
 332                                 }
 333
 334                                 if (count == 0)
 335                                         return null;
 336                                 if (types == null) {
 337                                         if (count > 1)
 338                                                 throw new AmbiguousMatchException ();
 339                                         return found;
 340                                 }
 341                                 MethodBase[] match = new MethodBase [count];
 342                                 if (count == 1)
 343                                         match [0] = found;
 344                                 else {
 345                                         count = 0;
 346                                         foreach (ConstructorInfo m in ctors) {
 347                                                 if (callConvention != CallingConventions.Any && m.CallingConvention != callConvention)
 348                                                         continue;
 349                                                 match [count++] = m;
 350                                         }
 351                                 }
 352                                 if (binder == null)
 353                                         binder = Binder.DefaultBinder;
 354                                 return (ConstructorInfo) binder.SelectMethod (bindingAttr, match,
 355                                                                                                                           types, modifiers);
 356                         }
 357
 358                         return created.GetConstructor (bindingAttr, binder,
 359                                 callConvention, types, modifiers);
 360                 }
 361
 362                 public override bool IsDefined (Type attributeType, bool inherit)
 363                 {
 364                         if (!is_created && !IsCompilerContext)
 365                                 throw new NotSupportedException ();
 366                         /*
 367                          * MS throws NotSupported here, but we can't because some corlib
 368                          * classes make calls to IsDefined.
 369                          */
 370                         return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
 371                 }
 372
 373                 public override object[] GetCustomAttributes(bool inherit)
 374                 {
 375                         check_created ();
 376
 377                         return created.GetCustomAttributes (inherit);
 378                 }
 379
 380                 public override object[] GetCustomAttributes(Type attributeType, bool inherit)
 381                 {
 382                         check_created ();
 383
 384                         return created.GetCustomAttributes (attributeType, inherit);
 385                 }
 386
 387                 public TypeBuilder DefineNestedType (string name)
 388                 {
 389                         return DefineNestedType (name, TypeAttributes.NestedPrivate,
 390                                 pmodule.assemblyb.corlib_object_type, null);
 391                 }
 392
 393                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr)
 394                 {
 395                         return DefineNestedType (name, attr, pmodule.assemblyb.corlib_object_type, null);
 396                 }
 397
 398                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent)
 399                 {
 400                         return DefineNestedType (name, attr, parent, null);
 401                 }
 402
 403                 private TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces,
 404                                                       PackingSize packSize, int typeSize)
 405                 {
 406                         // Visibility must be NestedXXX
 407                         /* This breaks mcs
 408                         if (((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.Public) ||
 409                                 ((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NotPublic))
 410                                 throw new ArgumentException ("attr", "Bad type flags for nested type.");
 411                         */
 412                         if (interfaces != null)
 413                                 foreach (Type iface in interfaces)
 414                                         if (iface == null)
 415                                                 throw new ArgumentNullException ("interfaces");
 416
 417                         TypeBuilder res = new TypeBuilder (pmodule, name, attr, parent, interfaces, packSize, typeSize, this);
 418                         res.fullname = res.GetFullName ();
 419                         pmodule.RegisterTypeName (res, res.fullname);
 420                         if (subtypes != null) {
 421                                 TypeBuilder[] new_types = new TypeBuilder [subtypes.Length + 1];
 422                                 System.Array.Copy (subtypes, new_types, subtypes.Length);
 423                                 new_types [subtypes.Length] = res;
 424                                 subtypes = new_types;
 425                         } else {
 426                                 subtypes = new TypeBuilder [1];
 427                                 subtypes [0] = res;
 428                         }
 429                         return res;
 430                 }
 431
 432                 [ComVisible (true)]
 433                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces)
 434                 {
 435                         return DefineNestedType (name, attr, parent, interfaces, PackingSize.Unspecified, UnspecifiedTypeSize);
 436                 }
 437
 438                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, int typeSize)
 439                 {
 440                         return DefineNestedType (name, attr, parent, null, PackingSize.Unspecified, typeSize);
 441                 }
 442
 443                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, PackingSize packSize)
 444                 {
 445                         return DefineNestedType (name, attr, parent, null, packSize, UnspecifiedTypeSize);
 446                 }
 447
 448                 [ComVisible (true)]
 449                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes)
 450                 {
 451                         return DefineConstructor (attributes, callingConvention, parameterTypes, null, null);
 452                 }
 453
 454                 [ComVisible (true)]
 455                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes, Type[][] requiredCustomModifiers, Type[][] optionalCustomModifiers)
 456                 {
 457                         check_not_created ();
 458                         ConstructorBuilder cb = new ConstructorBuilder (this, attributes,
 459                                 callingConvention, parameterTypes, requiredCustomModifiers,
 460                                 optionalCustomModifiers);
 461                         if (ctors != null) {
 462                                 ConstructorBuilder[] new_ctors = new ConstructorBuilder [ctors.Length+1];
 463                                 System.Array.Copy (ctors, new_ctors, ctors.Length);
 464                                 new_ctors [ctors.Length] = cb;
 465                                 ctors = new_ctors;
 466                         } else {
 467                                 ctors = new ConstructorBuilder [1];
 468                                 ctors [0] = cb;
 469                         }
 470                         return cb;
 471                 }
 472
 473                 [ComVisible (true)]
 474                 public ConstructorBuilder DefineDefaultConstructor (MethodAttributes attributes)
 475                 {
 476                         Type parent_type;
 477
 478                         if (parent != null)
 479                                 parent_type = parent;
 480                         else
 481                                 parent_type = pmodule.assemblyb.corlib_object_type;
 482
 483                         parent_type = parent_type.InternalResolve ();
 484                         ConstructorInfo parent_constructor =
 485                                 parent_type.GetConstructor (
 486                                         BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
 487                                         null, Type.EmptyTypes, null);
 488                         if (parent_constructor == null) {
 489                                 throw new NotSupportedException ("Parent does"
 490                                         + " not have a default constructor."
 491                                         + " The default constructor must be"
 492                                         + " explicitly defined.");
 493                         }
 494
 495                         ConstructorBuilder cb = DefineConstructor (attributes,
 496                                 CallingConventions.Standard, Type.EmptyTypes);
 497                         ILGenerator ig = cb.GetILGenerator ();
 498                         ig.Emit (OpCodes.Ldarg_0);
 499                         ig.Emit (OpCodes.Call, parent_constructor);
 500                         ig.Emit (OpCodes.Ret);
 501                         return cb;
 502                 }
 503
 504                 private void append_method (MethodBuilder mb)
 505                 {
 506                         if (methods != null) {
 507                                 if (methods.Length == num_methods) {
 508                                         MethodBuilder[] new_methods = new MethodBuilder [methods.Length * 2];
 509                                         System.Array.Copy (methods, new_methods, num_methods);
 510                                         methods = new_methods;
 511                                 }
 512                         } else {
 513                                 methods = new MethodBuilder [1];
 514                         }
 515                         methods [num_methods] = mb;
 516                         num_methods ++;
 517                 }
 518
 519                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes)
 520                 {
 521                         return DefineMethod (name, attributes, CallingConventions.Standard,
 522                                 returnType, parameterTypes);
 523                 }
 524
 525                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
 526                 {
 527                         return DefineMethod (name, attributes, callingConvention, returnType,
 528                                 null, null, parameterTypes, null, null);
 529                 }
 530
 531                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 532                 {
 533                         check_name ("name", name);
 534                         check_not_created ();
 535                         if (IsInterface && (
 536                                 !((attributes & MethodAttributes.Abstract) != 0) ||
 537                                 !((attributes & MethodAttributes.Virtual) != 0)) &&
 538                                 !(((attributes & MethodAttributes.Static) != 0)))
 539                                 throw new ArgumentException ("Interface method must be abstract and virtual.");
 540
 541                         if (returnType == null)
 542                                 returnType = pmodule.assemblyb.corlib_void_type;
 543                         MethodBuilder res = new MethodBuilder (this, name, attributes,
 544                                 callingConvention, returnType,
 545                                 returnTypeRequiredCustomModifiers,
 546                                 returnTypeOptionalCustomModifiers, parameterTypes,
 547                                 parameterTypeRequiredCustomModifiers,
 548                                 parameterTypeOptionalCustomModifiers);
 549                         append_method (res);
 550                         return res;
 551                 }
 552
 553                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet)
 554                 {
 555                         return DefinePInvokeMethod (name, dllName, entryName, attributes,
 556                                 callingConvention, returnType, null, null, parameterTypes,
 557                                 null, null, nativeCallConv, nativeCharSet);
 558                 }
 559
 560                 public MethodBuilder DefinePInvokeMethod (
 561                                                 string name,
 562                                                 string dllName,
 563                                                 string entryName, MethodAttributes attributes,
 564                                                 CallingConventions callingConvention,
 565                                                 Type returnType,
 566                                                 Type[] returnTypeRequiredCustomModifiers,
 567                                                 Type[] returnTypeOptionalCustomModifiers,
 568                                                 Type[] parameterTypes,
 569                                                 Type[][] parameterTypeRequiredCustomModifiers,
 570                                                 Type[][] parameterTypeOptionalCustomModifiers,
 571                                                 CallingConvention nativeCallConv,
 572                                                 CharSet nativeCharSet)
 573                 {
 574                         check_name ("name", name);
 575                         check_name ("dllName", dllName);
 576                         check_name ("entryName", entryName);
 577                         if ((attributes & MethodAttributes.Abstract) != 0)
 578                                 throw new ArgumentException ("PInvoke methods must be static and native and cannot be abstract.");
 579                         if (IsInterface)
 580                                 throw new ArgumentException ("PInvoke methods cannot exist on interfaces.");
 581                         check_not_created ();
 582
 583                         MethodBuilder res
 584                                 = new MethodBuilder (
 585                                                 this,
 586                                                 name,
 587                                                 attributes,
 588                                                 callingConvention,
 589                                                 returnType,
 590                                                 returnTypeRequiredCustomModifiers,
 591                                                 returnTypeOptionalCustomModifiers,
 592                                                 parameterTypes,
 593                                                 parameterTypeRequiredCustomModifiers,
 594                                                 parameterTypeOptionalCustomModifiers,
 595                                                 dllName,
 596                                                 entryName,
 597                                                 nativeCallConv,
 598                                                 nativeCharSet);
 599                         append_method (res);
 600                         return res;
 601                 }
 602
 603                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 604                         return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes,
 605                                 nativeCallConv, nativeCharSet);
 606                 }
 607
 608                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes)
 609                 {
 610                         return DefineMethod (name, attributes, CallingConventions.Standard);
 611                 }
 612
 613                 public MethodBuilder DefineMethod (string name, MethodAttributes attributes, CallingConventions callingConvention)
 614                 {
 615                         return DefineMethod (name, attributes, callingConvention, null, null);
 616                 }
 617
 618                 public void DefineMethodOverride (MethodInfo methodInfoBody, MethodInfo methodInfoDeclaration)
 619                 {
 620                         if (methodInfoBody == null)
 621                                 throw new ArgumentNullException ("methodInfoBody");
 622                         if (methodInfoDeclaration == null)
 623                                 throw new ArgumentNullException ("methodInfoDeclaration");
 624                         check_not_created ();
 625                         if (methodInfoBody.DeclaringType != this)
 626                                 throw new ArgumentException ("method body must belong to this type");
 627
 628                         if (methodInfoBody is MethodBuilder) {
 629                                 MethodBuilder mb = (MethodBuilder)methodInfoBody;
 630                                 mb.set_override (methodInfoDeclaration);
 631                         }
 632                 }
 633
 634                 public FieldBuilder DefineField (string fieldName, Type type, FieldAttributes attributes)
 635                 {
 636                         return DefineField (fieldName, type, null, null, attributes);
 637                 }
 638
 639                 public FieldBuilder DefineField (string fieldName, Type type, Type[] requiredCustomModifiers, Type[] optionalCustomModifiers, FieldAttributes attributes)
 640                 {
 641                         check_name ("fieldName", fieldName);
 642                         if (type == typeof (void))
 643                                 throw new ArgumentException ("Bad field type in defining field.");
 644                         check_not_created ();
 645
 646                         FieldBuilder res = new FieldBuilder (this, fieldName, type, attributes, requiredCustomModifiers, optionalCustomModifiers);
 647                         if (fields != null) {
 648                                 if (fields.Length == num_fields) {
 649                                         FieldBuilder[] new_fields = new FieldBuilder [fields.Length * 2];
 650                                         System.Array.Copy (fields, new_fields, num_fields);
 651                                         fields = new_fields;
 652                                 }
 653                                 fields [num_fields] = res;
 654                                 num_fields ++;
 655                         } else {
 656                                 fields = new FieldBuilder [1];
 657                                 fields [0] = res;
 658                                 num_fields ++;
 659                                 create_internal_class (this);
 660                         }
 661
 662                         if (IsEnum && !IsCompilerContext) {
 663                                 if (underlying_type == null && (attributes & FieldAttributes.Static) == 0)
 664                                         underlying_type = type;
 665                         }
 666
 667                         return res;
 668                 }
 669
 670                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, Type returnType, Type[] parameterTypes)
 671                 {
 672                         return DefineProperty (name, attributes, 0, returnType, null, null, parameterTypes, null, null);
 673                 }
 674
 675 #if NET_4_0
 676                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
 677                 {
 678                         return DefineProperty (name, attributes, callingConvention, returnType , null, null, parameterTypes, null, null);
 679                 }
 680 #endif
 681
 682                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 683                 {
 684                         return DefineProperty (name, attributes, 0, returnType, returnTypeRequiredCustomModifiers, returnTypeOptionalCustomModifiers, parameterTypes, parameterTypeRequiredCustomModifiers, parameterTypeOptionalCustomModifiers);
 685                 }
 686
 687                 public PropertyBuilder DefineProperty (string name, PropertyAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 688                 {
 689                         check_name ("name", name);
 690                         if (parameterTypes != null)
 691                                 foreach (Type param in parameterTypes)
 692                                         if (param == null)
 693                                                 throw new ArgumentNullException ("parameterTypes");
 694                         check_not_created ();
 695
 696                         PropertyBuilder res = new PropertyBuilder (this, name, attributes, callingConvention, returnType, returnTypeRequiredCustomModifiers, returnTypeOptionalCustomModifiers, parameterTypes, parameterTypeRequiredCustomModifiers, parameterTypeOptionalCustomModifiers);
 697
 698                         if (properties != null) {
 699                                 Array.Resize (ref properties, properties.Length + 1);
 700                                 properties [properties.Length - 1] = res;
 701                         } else {
 702                                 properties = new PropertyBuilder [1] { res };
 703                         }
 704                         return res;
 705                 }
 706
 707                 [ComVisible (true)]
 708                 public ConstructorBuilder DefineTypeInitializer()
 709                 {
 710                         return DefineConstructor (MethodAttributes.Public |
 711                                 MethodAttributes.Static | MethodAttributes.SpecialName |
 712                                 MethodAttributes.RTSpecialName, CallingConventions.Standard,
 713                                 null);
 714                 }
 715
 716                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 717                 private extern Type create_runtime_class (TypeBuilder tb);
 718
 719                 private bool is_nested_in (Type t)
 720                 {
 721                         while (t != null) {
 722                                 if (t == this)
 723                                         return true;
 724                                 else
 725                                         t = t.DeclaringType;
 726                         }
 727                         return false;
 728                 }
 729
 730                 // Return whenever this type has a ctor defined using DefineMethod ()
 731                 private bool has_ctor_method () {
 732                         MethodAttributes ctor_attrs = MethodAttributes.SpecialName | MethodAttributes.RTSpecialName;
 733
 734                         for (int i = 0; i < num_methods; ++i) {
 735                                 MethodBuilder mb = (MethodBuilder)(methods[i]);
 736
 737                                 if (mb.Name == ConstructorInfo.ConstructorName && (mb.Attributes & ctor_attrs) == ctor_attrs)
 738                                         return true;
 739                         }
 740
 741                         return false;
 742             }
 743
 744                 public Type CreateType()
 745                 {
 746                         /* handle nesting_type */
 747                         if (createTypeCalled)
 748                                 return created;
 749
 750                         if (!IsInterface && (parent == null) && (this != pmodule.assemblyb.corlib_object_type) && (FullName != "<Module>")) {
 751                                 SetParent (pmodule.assemblyb.corlib_object_type);
 752                         }
 753
 754                         create_generic_class ();
 755
 756                         // Fire TypeResolve events for fields whose type is an unfinished
 757                         // value type.
 758                         if (fields != null) {
 759                                 foreach (FieldBuilder fb in fields) {
 760                                         if (fb == null)
 761                                                 continue;
 762                                         Type ft = fb.FieldType;
 763                                         if (!fb.IsStatic && (ft is TypeBuilder) && ft.IsValueType && (ft != this) && is_nested_in (ft)) {
 764                                                 TypeBuilder tb = (TypeBuilder)ft;
 765                                                 if (!tb.is_created) {
 766                                                         AppDomain.CurrentDomain.DoTypeResolve (tb);
 767                                                         if (!tb.is_created) {
 768                                                                 // FIXME: We should throw an exception here,
 769                                                                 // but mcs expects that the type is created
 770                                                                 // even if the exception is thrown
 771                                                                 //throw new TypeLoadException ("Could not load type " + tb);
 772                                                         }
 773                                                 }
 774                                         }
 775                                 }
 776                         }
 777
 778                         //
 779                         // On classes, define a default constructor if not provided
 780                         //
 781                         if (!(IsInterface || IsValueType) && (ctors == null) && (tname != "<Module>") &&
 782                                 (GetAttributeFlagsImpl () & TypeAttributes.Abstract | TypeAttributes.Sealed) != (TypeAttributes.Abstract | TypeAttributes.Sealed) && !has_ctor_method ())
 783                                 DefineDefaultConstructor (MethodAttributes.Public);
 784
 785                         createTypeCalled = true;
 786
 787                         if ((parent != null) && parent.IsSealed)
 788                                 throw new TypeLoadException ("Could not load type '" + FullName + "' from assembly '" + Assembly + "' because the parent type is sealed.");
 789
 790                         if (parent == pmodule.assemblyb.corlib_enum_type && methods != null)
 791                                 throw new TypeLoadException ("Could not load type '" + FullName + "' from assembly '" + Assembly + "' because it is an enum with methods.");
 792
 793                         if (methods != null) {
 794                                 bool is_concrete = !IsAbstract;
 795                                 for (int i = 0; i < num_methods; ++i) {
 796                                         MethodBuilder mb = (MethodBuilder)(methods[i]);
 797                                         if (is_concrete && mb.IsAbstract)
 798                                                 throw new InvalidOperationException ("Type is concrete but has abstract method " + mb);
 799                                         mb.check_override ();
 800                                         mb.fixup ();
 801                                 }
 802                         }
 803
 804                         if (ctors != null){
 805                                 foreach (ConstructorBuilder ctor in ctors)
 806                                         ctor.fixup ();
 807                         }
 808
 809                         created = create_runtime_class (this);
 810                         if (created != null)
 811                                 return created;
 812                         return this;
 813                 }
 814
 815                 internal void GenerateDebugInfo (ISymbolWriter symbolWriter)
 816                 {
 817                         symbolWriter.OpenNamespace (this.Namespace);
 818
 819                         if (methods != null) {
 820                                 for (int i = 0; i < num_methods; ++i) {
 821                                         MethodBuilder metb = (MethodBuilder) methods[i];
 822                                         metb.GenerateDebugInfo (symbolWriter);
 823                                 }
 824                         }
 825
 826                         if (ctors != null) {
 827                                 foreach (ConstructorBuilder ctor in ctors)
 828                                         ctor.GenerateDebugInfo (symbolWriter);
 829                         }
 830
 831                         symbolWriter.CloseNamespace ();
 832
 833                         if (subtypes != null) {
 834                                 for (int i = 0; i < subtypes.Length; ++i)
 835                                         subtypes [i].GenerateDebugInfo (symbolWriter);
 836                         }
 837                 }
 838
 839                 [ComVisible (true)]
 840                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 841                 {
 842                         if (is_created)
 843                                 return created.GetConstructors (bindingAttr);
 844
 845                         if (!IsCompilerContext)
 846                                 throw new NotSupportedException ();
 847
 848                         return GetConstructorsInternal (bindingAttr);
 849                 }
 850
 851                 internal ConstructorInfo[] GetConstructorsInternal (BindingFlags bindingAttr)
 852                 {
 853                         if (ctors == null)
 854                                 return new ConstructorInfo [0];
 855                         ArrayList l = new ArrayList ();
 856                         bool match;
 857                         MethodAttributes mattrs;
 858
 859                         foreach (ConstructorBuilder c in ctors) {
 860                                 match = false;
 861                                 mattrs = c.Attributes;
 862                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 863                                         if ((bindingAttr & BindingFlags.Public) != 0)
 864                                                 match = true;
 865                                 } else {
 866                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 867                                                 match = true;
 868                                 }
 869                                 if (!match)
 870                                         continue;
 871                                 match = false;
 872                                 if ((mattrs & MethodAttributes.Static) != 0) {
 873                                         if ((bindingAttr & BindingFlags.Static) != 0)
 874                                                 match = true;
 875                                 } else {
 876                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 877                                                 match = true;
 878                                 }
 879                                 if (!match)
 880                                         continue;
 881                                 l.Add (c);
 882                         }
 883                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 884                         l.CopyTo (result);
 885                         return result;
 886                 }
 887
 888                 public override Type GetElementType ()
 889                 {
 890                         throw new NotSupportedException ();
 891                 }
 892
 893                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
 894                 {
 895                         check_created ();
 896                         return created.GetEvent (name, bindingAttr);
 897                 }
 898
 899                 /* Needed to keep signature compatibility with MS.NET */
 900                 public override EventInfo[] GetEvents ()
 901                 {
 902                         return GetEvents (DefaultBindingFlags);
 903                 }
 904
 905                 public override EventInfo[] GetEvents (BindingFlags bindingAttr)
 906                 {
 907                         if (is_created)
 908                                 return created.GetEvents (bindingAttr);
 909                         if (!IsCompilerContext)
 910                                 throw new NotSupportedException ();
 911                         return new EventInfo [0]; /*FIXME shouldn't we return the events here?*/
 912                 }
 913
 914                 // This is only used from MonoGenericInst.initialize().
 915                 internal EventInfo[] GetEvents_internal (BindingFlags bindingAttr)
 916                 {
 917                         if (events == null)
 918                                 return new EventInfo [0];
 919                         ArrayList l = new ArrayList ();
 920                         bool match;
 921                         MethodAttributes mattrs;
 922                         MethodInfo accessor;
 923
 924                         foreach (EventBuilder eb in events) {
 925                                 if (eb == null)
 926                                         continue;
 927                                 EventInfo c = get_event_info (eb);
 928                                 match = false;
 929                                 accessor = c.GetAddMethod (true);
 930                                 if (accessor == null)
 931                                         accessor = c.GetRemoveMethod (true);
 932                                 if (accessor == null)
 933                                         continue;
 934                                 mattrs = accessor.Attributes;
 935                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 936                                         if ((bindingAttr & BindingFlags.Public) != 0)
 937                                                 match = true;
 938                                 } else {
 939                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 940                                                 match = true;
 941                                 }
 942                                 if (!match)
 943                                         continue;
 944                                 match = false;
 945                                 if ((mattrs & MethodAttributes.Static) != 0) {
 946                                         if ((bindingAttr & BindingFlags.Static) != 0)
 947                                                 match = true;
 948                                 } else {
 949                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 950                                                 match = true;
 951                                 }
 952                                 if (!match)
 953                                         continue;
 954                                 l.Add (c);
 955                         }
 956                         EventInfo[] result = new EventInfo [l.Count];
 957                         l.CopyTo (result);
 958                         return result;
 959                 }
 960
 961                 public override FieldInfo GetField (string name, BindingFlags bindingAttr)
 962                 {
 963                         if (created != null)
 964                                 return created.GetField (name, bindingAttr);
 965
 966                         if (fields == null)
 967                                 return null;
 968
 969                         bool match;
 970                         FieldAttributes mattrs;
 971
 972                         foreach (FieldInfo c in fields) {
 973                                 if (c == null)
 974                                         continue;
 975                                 if (c.Name != name)
 976                                         continue;
 977                                 match = false;
 978                                 mattrs = c.Attributes;
 979                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 980                                         if ((bindingAttr & BindingFlags.Public) != 0)
 981                                                 match = true;
 982                                 } else {
 983                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 984                                                 match = true;
 985                                 }
 986                                 if (!match)
 987                                         continue;
 988                                 match = false;
 989                                 if ((mattrs & FieldAttributes.Static) != 0) {
 990                                         if ((bindingAttr & BindingFlags.Static) != 0)
 991                                                 match = true;
 992                                 } else {
 993                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 994                                                 match = true;
 995                                 }
 996                                 if (!match)
 997                                         continue;
 998                                 return c;
 999                         }
1000                         return null;
1001                 }
1002
1003                 public override FieldInfo[] GetFields (BindingFlags bindingAttr)
1004                 {
1005                         if (created != null)
1006                                 return created.GetFields (bindingAttr);
1007
1008                         if (fields == null)
1009                                 return new FieldInfo [0];
1010                         ArrayList l = new ArrayList ();
1011                         bool match;
1012                         FieldAttributes mattrs;
1013
1014                         foreach (FieldInfo c in fields) {
1015                                 if (c == null)
1016                                         continue;
1017                                 match = false;
1018                                 mattrs = c.Attributes;
1019                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
1020                                         if ((bindingAttr & BindingFlags.Public) != 0)
1021                                                 match = true;
1022                                 } else {
1023                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1024                                                 match = true;
1025                                 }
1026                                 if (!match)
1027                                         continue;
1028                                 match = false;
1029                                 if ((mattrs & FieldAttributes.Static) != 0) {
1030                                         if ((bindingAttr & BindingFlags.Static) != 0)
1031                                                 match = true;
1032                                 } else {
1033                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1034                                                 match = true;
1035                                 }
1036                                 if (!match)
1037                                         continue;
1038                                 l.Add (c);
1039                         }
1040                         FieldInfo[] result = new FieldInfo [l.Count];
1041                         l.CopyTo (result);
1042                         return result;
1043                 }
1044
1045                 public override Type GetInterface (string name, bool ignoreCase)
1046                 {
1047                         check_created ();
1048                         return created.GetInterface (name, ignoreCase);
1049                 }
1050
1051                 public override Type[] GetInterfaces ()
1052                 {
1053                         if (is_created)
1054                                 return created.GetInterfaces ();
1055
1056                         if (interfaces != null) {
1057                                 Type[] ret = new Type [interfaces.Length];
1058                                 interfaces.CopyTo (ret, 0);
1059                                 return ret;
1060                         } else {
1061                                 return Type.EmptyTypes;
1062                         }
1063                 }
1064
1065                 public override MemberInfo[] GetMember (string name, MemberTypes type,
1066                                                                                                 BindingFlags bindingAttr)
1067                 {
1068                         check_created ();
1069                         return created.GetMember (name, type, bindingAttr);
1070                 }
1071
1072                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
1073                 {
1074                         check_created ();
1075                         return created.GetMembers (bindingAttr);
1076                 }
1077
1078                 private MethodInfo[] GetMethodsByName (string name, BindingFlags bindingAttr, bool ignoreCase, Type reflected_type)
1079                 {
1080                         MethodInfo[] candidates;
1081                         bool match;
1082                         MethodAttributes mattrs;
1083
1084                         if (((bindingAttr & BindingFlags.DeclaredOnly) == 0) && (parent != null)) {
1085                                 MethodInfo [] parent_methods = parent.GetMethods (bindingAttr);
1086                                 ArrayList parent_candidates = new ArrayList (parent_methods.Length);
1087
1088                                 bool flatten = (bindingAttr & BindingFlags.FlattenHierarchy) != 0;
1089
1090                                 for (int i = 0; i < parent_methods.Length; i++) {
1091                                         MethodInfo m = parent_methods [i];
1092
1093                                         mattrs = m.Attributes;
1094
1095                                         if (m.IsStatic && !flatten)
1096                                                 continue;
1097
1098                                         switch (mattrs & MethodAttributes.MemberAccessMask) {
1099                                         case MethodAttributes.Public:
1100                                                 match = (bindingAttr & BindingFlags.Public) != 0;
1101                                                 break;
1102                                         case MethodAttributes.Assembly:
1103                                                 match = (bindingAttr & BindingFlags.NonPublic) != 0;
1104                                                 break;
1105                                         case MethodAttributes.Private:
1106                                                 match = false;
1107                                                 break;
1108                                         default:
1109                                                 match = (bindingAttr & BindingFlags.NonPublic) != 0;
1110                                                 break;
1111                                         }
1112
1113                                         if (match)
1114                                                 parent_candidates.Add (m);
1115                                 }
1116
1117                                 if (methods == null) {
1118                                         candidates = new MethodInfo [parent_candidates.Count];
1119                                         parent_candidates.CopyTo (candidates);
1120                                 } else {
1121                                         candidates = new MethodInfo [methods.Length + parent_candidates.Count];
1122                                         parent_candidates.CopyTo (candidates, 0);
1123                                         methods.CopyTo (candidates, parent_candidates.Count);
1124                                 }
1125                         }
1126                         else
1127                                 candidates = methods;
1128
1129                         if (candidates == null)
1130                                 return new MethodInfo [0];
1131
1132                         ArrayList l = new ArrayList ();
1133
1134                         foreach (MethodInfo c in candidates) {
1135                                 if (c == null)
1136                                         continue;
1137                                 if (name != null) {
1138                                         if (String.Compare (c.Name, name, ignoreCase) != 0)
1139                                                 continue;
1140                                 }
1141                                 match = false;
1142                                 mattrs = c.Attributes;
1143                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
1144                                         if ((bindingAttr & BindingFlags.Public) != 0)
1145                                                 match = true;
1146                                 } else {
1147                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1148                                                 match = true;
1149                                 }
1150                                 if (!match)
1151                                         continue;
1152                                 match = false;
1153                                 if ((mattrs & MethodAttributes.Static) != 0) {
1154                                         if ((bindingAttr & BindingFlags.Static) != 0)
1155                                                 match = true;
1156                                 } else {
1157                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1158                                                 match = true;
1159                                 }
1160                                 if (!match)
1161                                         continue;
1162                                 l.Add (c);
1163                         }
1164
1165                         MethodInfo[] result = new MethodInfo [l.Count];
1166                         l.CopyTo (result);
1167                         return result;
1168                 }
1169
1170                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr)
1171                 {
1172                         return GetMethodsByName (null, bindingAttr, false, this);
1173                 }
1174
1175                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr,
1176                                                              Binder binder,
1177                                                              CallingConventions callConvention,
1178                                                              Type[] types, ParameterModifier[] modifiers)
1179                 {
1180                         check_created ();
1181
1182                         bool ignoreCase = ((bindingAttr & BindingFlags.IgnoreCase) != 0);
1183                         MethodInfo[] methods = GetMethodsByName (name, bindingAttr, ignoreCase, this);
1184                         MethodInfo found = null;
1185                         MethodBase[] match;
1186                         int typesLen = (types != null) ? types.Length : 0;
1187                         int count = 0;
1188
1189                         foreach (MethodInfo m in methods) {
1190                                 // Under MS.NET, Standard|HasThis matches Standard...
1191                                 if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
1192                                         continue;
1193                                 found = m;
1194                                 count++;
1195                         }
1196
1197                         if (count == 0)
1198                                 return null;
1199
1200                         if (count == 1 && typesLen == 0)
1201                                 return found;
1202
1203                         match = new MethodBase [count];
1204                         if (count == 1)
1205                                 match [0] = found;
1206                         else {
1207                                 count = 0;
1208                                 foreach (MethodInfo m in methods) {
1209                                         if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
1210                                                 continue;
1211                                         match [count++] = m;
1212                                 }
1213                         }
1214
1215                         if (types == null)
1216                                 return (MethodInfo) Binder.FindMostDerivedMatch (match);
1217
1218                         if (binder == null)
1219                                 binder = Binder.DefaultBinder;
1220
1221                         return (MethodInfo)binder.SelectMethod (bindingAttr, match, types, modifiers);
1222                 }
1223
1224                 public override Type GetNestedType (string name, BindingFlags bindingAttr)
1225                 {
1226                         check_created ();
1227
1228                         if (subtypes == null)
1229                                 return null;
1230
1231                         foreach (TypeBuilder t in subtypes) {
1232                                 if (!t.is_created)
1233                                         continue;
1234                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
1235                                         if ((bindingAttr & BindingFlags.Public) == 0)
1236                                                 continue;
1237                                 } else {
1238                                         if ((bindingAttr & BindingFlags.NonPublic) == 0)
1239                                                 continue;
1240                                 }
1241                                 if (t.Name == name)
1242                                         return t.created;
1243                         }
1244
1245                         return null;
1246                 }
1247
1248                 public override Type[] GetNestedTypes (BindingFlags bindingAttr)
1249                 {
1250                         if (!is_created && !IsCompilerContext)
1251                                 throw new NotSupportedException ();
1252
1253                         bool match;
1254                         ArrayList result = new ArrayList ();
1255
1256                         if (subtypes == null)
1257                                 return Type.EmptyTypes;
1258                         foreach (TypeBuilder t in subtypes) {
1259                                 match = false;
1260                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
1261                                         if ((bindingAttr & BindingFlags.Public) != 0)
1262                                                 match = true;
1263                                 } else {
1264                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1265                                                 match = true;
1266                                 }
1267                                 if (!match)
1268                                         continue;
1269                                 result.Add (t);
1270                         }
1271                         Type[] r = new Type [result.Count];
1272                         result.CopyTo (r);
1273                         return r;
1274                 }
1275
1276                 public override PropertyInfo[] GetProperties (BindingFlags bindingAttr)
1277                 {
1278                         if (is_created)
1279                                 return created.GetProperties (bindingAttr);
1280
1281                         if (properties == null)
1282                                 return new PropertyInfo [0];
1283                         ArrayList l = new ArrayList ();
1284                         bool match;
1285                         MethodAttributes mattrs;
1286                         MethodInfo accessor;
1287
1288                         foreach (PropertyInfo c in properties) {
1289                                 match = false;
1290                                 accessor = c.GetGetMethod (true);
1291                                 if (accessor == null)
1292                                         accessor = c.GetSetMethod (true);
1293                                 if (accessor == null)
1294                                         continue;
1295                                 mattrs = accessor.Attributes;
1296                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
1297                                         if ((bindingAttr & BindingFlags.Public) != 0)
1298                                                 match = true;
1299                                 } else {
1300                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1301                                                 match = true;
1302                                 }
1303                                 if (!match)
1304                                         continue;
1305                                 match = false;
1306                                 if ((mattrs & MethodAttributes.Static) != 0) {
1307                                         if ((bindingAttr & BindingFlags.Static) != 0)
1308                                                 match = true;
1309                                 } else {
1310                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1311                                                 match = true;
1312                                 }
1313                                 if (!match)
1314                                         continue;
1315                                 l.Add (c);
1316                         }
1317                         PropertyInfo[] result = new PropertyInfo [l.Count];
1318                         l.CopyTo (result);
1319                         return result;
1320                 }
1321
1322                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers)
1323                 {
1324                         throw not_supported ();
1325                 }
1326
1327                 protected override bool HasElementTypeImpl ()
1328                 {
1329                         // a TypeBuilder can never represent an array, pointer
1330                         if (!is_created)
1331                                 return false;
1332
1333                         return created.HasElementType;
1334                 }
1335
1336                 public override object InvokeMember (string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters)
1337                 {
1338                         check_created ();
1339                         return created.InvokeMember (name, invokeAttr, binder, target, args, modifiers, culture, namedParameters);
1340                 }
1341
1342                 protected override bool IsArrayImpl ()
1343                 {
1344                         return false; /*A TypeBuilder never represents a non typedef type.*/
1345                 }
1346
1347                 protected override bool IsByRefImpl ()
1348                 {
1349                         return false; /*A TypeBuilder never represents a non typedef type.*/
1350                 }
1351
1352                 protected override bool IsCOMObjectImpl ()
1353                 {
1354                         return ((GetAttributeFlagsImpl () & TypeAttributes.Import) != 0);
1355                 }
1356
1357                 protected override bool IsPointerImpl ()
1358                 {
1359                         return false; /*A TypeBuilder never represents a non typedef type.*/
1360                 }
1361
1362                 protected override bool IsPrimitiveImpl ()
1363                 {
1364                         // FIXME
1365                         return false;
1366                 }
1367
1368                 // FIXME: I doubt just removing this still works.
1369                 protected override bool IsValueTypeImpl ()
1370                 {
1371                         if (this == pmodule.assemblyb.corlib_value_type || this == pmodule.assemblyb.corlib_enum_type)
1372                                 return false;
1373                         Type parent_type = parent;
1374                         while (parent_type != null) {
1375                                 if (parent_type == pmodule.assemblyb.corlib_value_type)
1376                                         return true;
1377                                 parent_type = parent_type.BaseType;
1378                         }
1379                         return false;
1380                 }
1381
1382                 public override Type MakeArrayType ()
1383                 {
1384                         return new ArrayType (this, 0);
1385                 }
1386
1387                 public override Type MakeArrayType (int rank)
1388                 {
1389                         if (rank < 1)
1390                                 throw new IndexOutOfRangeException ();
1391                         return new ArrayType (this, rank);
1392                 }
1393
1394                 public override Type MakeByRefType ()
1395                 {
1396                         return new ByRefType (this);
1397                 }
1398
1399                 public override Type MakeGenericType (params Type [] typeArguments)
1400                 {
1401                         //return base.MakeGenericType (typeArguments);
1402
1403                         if (!IsGenericTypeDefinition)
1404                                 throw new InvalidOperationException ("not a generic type definition");
1405                         if (typeArguments == null)
1406                                 throw new ArgumentNullException ("typeArguments");
1407
1408                         if (generic_params.Length != typeArguments.Length)
1409                                 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");
1410
1411                         foreach (Type t in typeArguments) {
1412                                 if (t == null)
1413                                         throw new ArgumentNullException ("typeArguments");
1414                         }
1415
1416                         Type[] copy = new Type [typeArguments.Length];
1417                         typeArguments.CopyTo (copy, 0);
1418                         return pmodule.assemblyb.MakeGenericType (this, copy);
1419                 }
1420
1421                 public override Type MakePointerType ()
1422                 {
1423                         return new PointerType (this);
1424                 }
1425
1426                 public override RuntimeTypeHandle TypeHandle {
1427                         get {
1428                                 check_created ();
1429                                 return created.TypeHandle;
1430                         }
1431                 }
1432
1433                 //
1434                 // Used internally by mcs only
1435                 //
1436                 internal void SetCharSet (TypeAttributes ta)
1437                 {
1438                         this.attrs = ta;
1439                 }
1440
1441                 public void SetCustomAttribute (CustomAttributeBuilder customBuilder)
1442                 {
1443                         if (customBuilder == null)
1444                                 throw new ArgumentNullException ("customBuilder");
1445
1446                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
1447                         if (attrname == "System.Runtime.InteropServices.StructLayoutAttribute") {
1448                                 byte[] data = customBuilder.Data;
1449                                 int layout_kind; /* the (stupid) ctor takes a short or an int ... */
1450                                 layout_kind = (int)data [2];
1451                                 layout_kind |= ((int)data [3]) << 8;
1452                                 attrs &= ~TypeAttributes.LayoutMask;
1453                                 switch ((LayoutKind)layout_kind) {
1454                                 case LayoutKind.Auto:
1455                                         attrs |= TypeAttributes.AutoLayout;
1456                                         break;
1457                                 case LayoutKind.Explicit:
1458                                         attrs |= TypeAttributes.ExplicitLayout;
1459                                         break;
1460                                 case LayoutKind.Sequential:
1461                                         attrs |= TypeAttributes.SequentialLayout;
1462                                         break;
1463                                 default:
1464                                         // we should ignore it since it can be any value anyway...
1465                                         throw new Exception ("Error in customattr");
1466                                 }
1467
1468                                 var ctor_type = customBuilder.Ctor is ConstructorBuilder ? ((ConstructorBuilder)customBuilder.Ctor).parameters[0] : customBuilder.Ctor.GetParameters()[0].ParameterType;
1469                                 int pos = 6;
1470                                 if (ctor_type.FullName == "System.Int16")
1471                                         pos = 4;
1472                                 int nnamed = (int)data [pos++];
1473                                 nnamed |= ((int)data [pos++]) << 8;
1474                                 for (int i = 0; i < nnamed; ++i) {
1475                                         //byte named_type = data [pos++];
1476                                         pos ++;
1477                                         byte type = data [pos++];
1478                                         int len;
1479                                         string named_name;
1480
1481                                         if (type == 0x55) {
1482                                                 len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1483                                                 //string named_typename =
1484                                                 CustomAttributeBuilder.string_from_bytes (data, pos, len);
1485                                                 pos += len;
1486                                                 // FIXME: Check that 'named_type' and 'named_typename' match, etc.
1487                                                 //        See related code/FIXME in mono/mono/metadata/reflection.c
1488                                         }
1489
1490                                         len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1491                                         named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
1492                                         pos += len;
1493                                         /* all the fields are integers in StructLayout */
1494                                         int value = (int)data [pos++];
1495                                         value |= ((int)data [pos++]) << 8;
1496                                         value |= ((int)data [pos++]) << 16;
1497                                         value |= ((int)data [pos++]) << 24;
1498                                         switch (named_name) {
1499                                         case "CharSet":
1500                                                 switch ((CharSet)value) {
1501                                                 case CharSet.None:
1502                                                 case CharSet.Ansi:
1503                                                         attrs &= ~(TypeAttributes.UnicodeClass | TypeAttributes.AutoClass);
1504                                                         break;
1505                                                 case CharSet.Unicode:
1506                                                         attrs &= ~TypeAttributes.AutoClass;
1507                                                         attrs |= TypeAttributes.UnicodeClass;
1508                                                         break;
1509                                                 case CharSet.Auto:
1510                                                         attrs &= ~TypeAttributes.UnicodeClass;
1511                                                         attrs |= TypeAttributes.AutoClass;
1512                                                         break;
1513                                                 default:
1514                                                         break; // error out...
1515                                                 }
1516                                                 break;
1517                                         case "Pack":
1518                                                 packing_size = (PackingSize)value;
1519                                                 break;
1520                                         case "Size":
1521                                                 class_size = value;
1522                                                 break;
1523                                         default:
1524                                                 break; // error out...
1525                                         }
1526                                 }
1527                                 return;
1528                         } else if (attrname == "System.Runtime.CompilerServices.SpecialNameAttribute") {
1529                                 attrs |= TypeAttributes.SpecialName;
1530                                 return;
1531                         } else if (attrname == "System.SerializableAttribute") {
1532                                 attrs |= TypeAttributes.Serializable;
1533                                 return;
1534                         } else if (attrname == "System.Runtime.InteropServices.ComImportAttribute") {
1535                                 attrs |= TypeAttributes.Import;
1536                                 return;
1537                         } else if (attrname == "System.Security.SuppressUnmanagedCodeSecurityAttribute") {
1538                                 attrs |= TypeAttributes.HasSecurity;
1539                         }
1540
1541                         if (cattrs != null) {
1542                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
1543                                 cattrs.CopyTo (new_array, 0);
1544                                 new_array [cattrs.Length] = customBuilder;
1545                                 cattrs = new_array;
1546                         } else {
1547                                 cattrs = new CustomAttributeBuilder [1];
1548                                 cattrs [0] = customBuilder;
1549                         }
1550                 }
1551
1552                 [ComVisible (true)]
1553                 public void SetCustomAttribute (ConstructorInfo con, byte[] binaryAttribute)
1554                 {
1555                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
1556                 }
1557
1558                 public EventBuilder DefineEvent (string name, EventAttributes attributes, Type eventtype)
1559                 {
1560                         check_name ("name", name);
1561                         if (eventtype == null)
1562                                 throw new ArgumentNullException ("type");
1563                         check_not_created ();
1564
1565                         EventBuilder res = new EventBuilder (this, name, attributes, eventtype);
1566                         if (events != null) {
1567                                 EventBuilder[] new_events = new EventBuilder [events.Length+1];
1568                                 System.Array.Copy (events, new_events, events.Length);
1569                                 new_events [events.Length] = res;
1570                                 events = new_events;
1571                         } else {
1572                                 events = new EventBuilder [1];
1573                                 events [0] = res;
1574                         }
1575                         return res;
1576                 }
1577
1578                 public FieldBuilder DefineInitializedData (string name, byte[] data, FieldAttributes attributes) {
1579                         if (data == null)
1580                                 throw new ArgumentNullException ("data");
1581
1582                         FieldBuilder res = DefineUninitializedData (name, data.Length, attributes);
1583                         res.SetRVAData (data);
1584                         return res;
1585                 }
1586
1587                 public FieldBuilder DefineUninitializedData (string name, int size, FieldAttributes attributes)
1588                 {
1589                         if (name == null)
1590                                 throw new ArgumentNullException ("name");
1591                         if (name.Length == 0)
1592                                 throw new ArgumentException ("Empty name is not legal", "name");
1593                         if ((size <= 0) || (size > 0x3f0000))
1594                                 throw new ArgumentException ("Data size must be > 0 and < 0x3f0000");
1595                         check_not_created ();
1596
1597                         string typeName = "$ArrayType$" + size;
1598                         Type datablobtype = pmodule.GetRegisteredType (fullname + "+" + typeName);
1599                         if (datablobtype == null) {
1600                                 TypeBuilder tb = DefineNestedType (typeName,
1601                                         TypeAttributes.NestedPrivate|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
1602                                         pmodule.assemblyb.corlib_value_type, null, PackingSize.Size1, size);
1603                                 tb.CreateType ();
1604                                 datablobtype = tb;
1605                         }
1606                         return DefineField (name, datablobtype, attributes|FieldAttributes.Static|FieldAttributes.HasFieldRVA);
1607                 }
1608
1609                 public TypeToken TypeToken {
1610                         get {
1611                                 return new TypeToken (0x02000000 | table_idx);
1612                         }
1613                 }
1614
1615                 public void SetParent (Type parent)
1616                 {
1617                         check_not_created ();
1618
1619                         if (parent == null) {
1620                                 if ((attrs & TypeAttributes.Interface) != 0) {
1621                                         if ((attrs & TypeAttributes.Abstract) == 0)
1622                                                 throw new InvalidOperationException ("Interface must be declared abstract.");
1623                                         this.parent = null;
1624                                 } else {
1625                                         this.parent = typeof (object);
1626                                 }
1627                         } else {
1628                                 this.parent = parent;
1629                         }
1630
1631                         // will just set the parent-related bits if called a second time
1632                         setup_internal_class (this);
1633                 }
1634
1635                 internal int get_next_table_index (object obj, int table, bool inc) {
1636                         return pmodule.get_next_table_index (obj, table, inc);
1637                 }
1638
1639                 [ComVisible (true)]
1640                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
1641                 {
1642                         if (created == null)
1643                                 throw new NotSupportedException ("This method is not implemented for incomplete types.");
1644
1645                         return created.GetInterfaceMap (interfaceType);
1646                 }
1647
1648                 internal override bool IsCompilerContext {
1649                         get {
1650                                 return pmodule.assemblyb.IsCompilerContext;
1651                         }
1652                 }
1653
1654                 internal override Type InternalResolve ()
1655                 {
1656                         check_created ();
1657                         return created;
1658                 }
1659
1660                 internal bool is_created {
1661                         get {
1662                                 return createTypeCalled;
1663                         }
1664                 }
1665
1666                 private Exception not_supported ()
1667                 {
1668                         return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
1669                 }
1670
1671                 private void check_not_created ()
1672                 {
1673                         if (is_created)
1674                                 throw new InvalidOperationException ("Unable to change after type has been created.");
1675                 }
1676
1677                 private void check_created ()
1678                 {
1679                         if (!is_created)
1680                                 throw not_supported ();
1681                 }
1682
1683                 private void check_name (string argName, string name)
1684                 {
1685                         if (name == null)
1686                                 throw new ArgumentNullException (argName);
1687                         if (name.Length == 0)
1688                                 throw new ArgumentException ("Empty name is not legal", argName);
1689                         if (name [0] == ((char)0))
1690                                 throw new ArgumentException ("Illegal name", argName);
1691                 }
1692
1693                 public override String ToString ()
1694                 {
1695                         return FullName;
1696                 }
1697
1698                 [MonoTODO]
1699                 public override bool IsAssignableFrom (Type c)
1700                 {
1701                         return base.IsAssignableFrom (c);
1702                 }
1703
1704                 [MonoTODO ("arrays")]
1705                 internal bool IsAssignableTo (Type c)
1706                 {
1707                         if (c == this)
1708                                 return true;
1709
1710                         if (c.IsInterface) {
1711                                 if (parent != null && is_created) {
1712                                         if (c.IsAssignableFrom (parent))
1713                                                 return true;
1714                                 }
1715
1716                                 if (interfaces == null)
1717                                         return false;
1718                                 foreach (Type t in interfaces)
1719                                         if (c.IsAssignableFrom (t))
1720                                                 return true;
1721                                 if (!is_created)
1722                                         return false;
1723                         }
1724
1725                         if (parent == null)
1726                                 return c == typeof (object);
1727                         else
1728                                 return c.IsAssignableFrom (parent);
1729                 }
1730
1731                 public bool IsCreated ()
1732                 {
1733                         return is_created;
1734                 }
1735
1736                 public override Type[] GetGenericArguments ()
1737                 {
1738                         if (generic_params == null)
1739                                 return null;
1740                         Type[] args = new Type [generic_params.Length];
1741                         generic_params.CopyTo (args, 0);
1742                         return args;
1743                 }
1744
1745                 public override Type GetGenericTypeDefinition ()
1746                 {
1747                         if (generic_params == null)
1748                                 throw new InvalidOperationException ("Type is not generic");
1749                         return this;
1750                 }
1751
1752                 public override bool ContainsGenericParameters {
1753                         get {
1754                                 return generic_params != null;
1755                         }
1756                 }
1757
1758                 public extern override bool IsGenericParameter {
1759                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
1760                         get;
1761                 }
1762
1763                 public override GenericParameterAttributes GenericParameterAttributes {
1764                         get { return GenericParameterAttributes.None; }
1765                 }
1766
1767                 public override bool IsGenericTypeDefinition {
1768                         get {
1769                                 return generic_params != null;
1770                         }
1771                 }
1772
1773                 public override bool IsGenericType {
1774                         get { return IsGenericTypeDefinition; }
1775                 }
1776
1777                 [MonoTODO]
1778                 public override int GenericParameterPosition {
1779                         get {
1780                                 return 0;
1781                         }
1782                 }
1783
1784                 public override MethodBase DeclaringMethod {
1785                         get {
1786                                 return null;
1787                         }
1788                 }
1789
1790                 public GenericTypeParameterBuilder[] DefineGenericParameters (params string[] names)
1791                 {
1792                         if (names == null)
1793                                 throw new ArgumentNullException ("names");
1794                         if (names.Length == 0)
1795                                 throw new ArgumentException ("names");
1796
1797                         setup_generic_class ();
1798
1799                         generic_params = new GenericTypeParameterBuilder [names.Length];
1800                         for (int i = 0; i < names.Length; i++) {
1801                                 string item = names [i];
1802                                 if (item == null)
1803                                         throw new ArgumentNullException ("names");
1804                                 generic_params [i] = new GenericTypeParameterBuilder (this, null, item, i);
1805                         }
1806
1807                         return generic_params;
1808                 }
1809
1810                 public static ConstructorInfo GetConstructor (Type type, ConstructorInfo constructor)
1811                 {
1812                         /*FIXME I would expect the same checks of GetMethod here*/
1813                         if (type == null)
1814                                 throw new ArgumentException ("Type is not generic", "type");
1815
1816                         if (!type.IsGenericType)
1817                                 throw new ArgumentException ("Type is not a generic type", "type");
1818
1819                         if (type.IsGenericTypeDefinition)
1820                                 throw new ArgumentException ("Type cannot be a generic type definition", "type");
1821
1822                         if (constructor == null)
1823                                 throw new NullReferenceException (); //MS raises this instead of an ArgumentNullException
1824
1825                         ConstructorInfo res = type.GetConstructor (constructor);
1826                         if (res == null)
1827                                 throw new ArgumentException ("constructor not found");
1828
1829                         return res;
1830                 }
1831
1832                 static bool IsValidGetMethodType (Type type)
1833                 {
1834                         if (type is TypeBuilder || type is MonoGenericClass)
1835                                 return true;
1836                         /*GetMethod() must work with TypeBuilders after CreateType() was called.*/
1837                         if (type.Module is ModuleBuilder)
1838                                 return true;
1839                         if (type.IsGenericParameter)
1840                                 return false;
1841
1842                         Type[] inst = type.GetGenericArguments ();
1843                         if (inst == null)
1844                                 return false;
1845                         for (int i = 0; i < inst.Length; ++i) {
1846                                 if (IsValidGetMethodType (inst [i]))
1847                                         return true;
1848                         }
1849                         return false;
1850                 }
1851
1852                 public static MethodInfo GetMethod (Type type, MethodInfo method)
1853                 {
1854                         if (!IsValidGetMethodType (type))
1855                                 throw new ArgumentException ("type is not TypeBuilder but " + type.GetType (), "type");
1856
1857                         if (type is TypeBuilder && type.ContainsGenericParameters)
1858                                 type = type.MakeGenericType (type.GetGenericArguments ());
1859
1860                         if (!type.IsGenericType)
1861                                 throw new ArgumentException ("type is not a generic type", "type");
1862
1863                         if (!method.DeclaringType.IsGenericTypeDefinition)
1864                                 throw new ArgumentException ("method declaring type is not a generic type definition", "method");
1865                         if (method.DeclaringType != type.GetGenericTypeDefinition ())
1866                                 throw new ArgumentException ("method declaring type is not the generic type definition of type", "method");
1867                         if (method == null)
1868                                 throw new NullReferenceException (); //MS raises this instead of an ArgumentNullException
1869
1870                         MethodInfo res = type.GetMethod (method);
1871                         if (res == null)
1872                                 throw new ArgumentException (String.Format ("method {0} not found in type {1}", method.Name, type));
1873
1874                         return res;
1875                 }
1876
1877                 public static FieldInfo GetField (Type type, FieldInfo field)
1878                 {
1879                         if (!type.IsGenericType)
1880                                 throw new ArgumentException ("Type is not a generic type", "type");
1881
1882                         if (type.IsGenericTypeDefinition)
1883                                 throw new ArgumentException ("Type cannot be a generic type definition", "type");
1884
1885                         if (field is FieldOnTypeBuilderInst)
1886                                 throw new ArgumentException ("The specified field must be declared on a generic type definition.", "field");
1887
1888                         FieldInfo res = type.GetField (field);
1889                         if (res == null)
1890                                 throw new System.Exception ("field not found");
1891                         else
1892                                 return res;
1893                 }
1894
1895                 void _TypeBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
1896                 {
1897                         throw new NotImplementedException ();
1898                 }
1899
1900                 void _TypeBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
1901                 {
1902                         throw new NotImplementedException ();
1903                 }
1904
1905                 void _TypeBuilder.GetTypeInfoCount (out uint pcTInfo)
1906                 {
1907                         throw new NotImplementedException ();
1908                 }
1909
1910                 void _TypeBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
1911                 {
1912                         throw new NotImplementedException ();
1913                 }
1914         }
1915 }