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

   1 //
   2 // System.Reflection.Emit/TypeBuilder.cs
   3 //
   4 // Author:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //
   7 // (C) 2001 Ximian, Inc.  http://www.ximian.com
   8 //
   9
  10 //
  11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System;
  34 using System.Text;
  35 using System.Reflection;
  36 using System.Reflection.Emit;
  37 using System.Runtime.CompilerServices;
  38 using System.Runtime.InteropServices;
  39 using System.Globalization;
  40 using System.Collections;
  41 using System.Security;
  42 using System.Security.Permissions;
  43
  44 namespace System.Reflection.Emit {
  45
  46         public sealed class TypeBuilder : Type {
  47         #region Sync with reflection.h
  48         private string tname;
  49         private string nspace;
  50         private Type parent;
  51         private Type nesting_type;
  52         private Type[] interfaces;
  53         private int num_methods;
  54         private MethodBuilder[] methods;
  55         private ConstructorBuilder[] ctors;
  56         private PropertyBuilder[] properties;
  57         private int num_fields;
  58         private FieldBuilder[] fields;
  59         private EventBuilder[] events;
  60         private CustomAttributeBuilder[] cattrs;
  61         internal TypeBuilder[] subtypes;
  62         internal TypeAttributes attrs;
  63         private int table_idx;
  64         private ModuleBuilder pmodule;
  65         private int class_size;
  66         private PackingSize packing_size;
  67 #if NET_2_0 || BOOTSTRAP_NET_2_0
  68         private GenericTypeParameterBuilder[] generic_params;
  69 #else
  70         private Object generic_params; /* so offsets don't change */
  71 #endif
  72         private RefEmitPermissionSet[] permissions;
  73         #endregion
  74         private Type created;
  75         string fullname;
  76
  77         public const int UnspecifiedTypeSize = 0;
  78
  79                 protected override TypeAttributes GetAttributeFlagsImpl () {
  80                         return attrs;
  81                 }
  82
  83                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  84                 private extern void setup_internal_class (TypeBuilder tb);
  85
  86                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  87                 private extern void create_internal_class (TypeBuilder tb);
  88
  89                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  90                 private extern void setup_generic_class (TypeBuilder tb);
  91
  92                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  93                 private extern EventInfo get_event_info (EventBuilder eb);
  94
  95                 internal TypeBuilder (ModuleBuilder mb, TypeAttributes attr) {
  96                         this.parent = null;
  97                         this.attrs = attr;
  98                         this.class_size = UnspecifiedTypeSize;
  99                         this.table_idx = 1;
 100                         fullname = this.tname = "<Module>";
 101                         this.nspace = "";
 102                         pmodule = mb;
 103                         setup_internal_class (this);
 104                 }
 105
 106                 internal TypeBuilder (ModuleBuilder mb, string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packing_size, int type_size, Type nesting_type) {
 107                         int sep_index;
 108                         this.parent = parent;
 109                         this.attrs = attr;
 110                         this.class_size = type_size;
 111                         this.packing_size = packing_size;
 112                         this.nesting_type = nesting_type;
 113                         sep_index = name.LastIndexOf('.');
 114                         if (sep_index != -1) {
 115                                 this.tname = name.Substring (sep_index + 1);
 116                                 this.nspace = name.Substring (0, sep_index);
 117                         } else {
 118                                 this.tname = name;
 119                                 this.nspace = "";
 120                         }
 121                         if (interfaces != null) {
 122                                 this.interfaces = new Type[interfaces.Length];
 123                                 System.Array.Copy (interfaces, this.interfaces, interfaces.Length);
 124                         }
 125                         pmodule = mb;
 126                         // skip .<Module> ?
 127                         table_idx = mb.get_next_table_index (this, 0x02, true);
 128                         setup_internal_class (this);
 129                         fullname = GetFullName ();
 130                 }
 131
 132                 public override Assembly Assembly {
 133                         get {return pmodule.Assembly;}
 134                 }
 135
 136                 public override string AssemblyQualifiedName {
 137                         get {
 138                                 return fullname + ", " + Assembly.GetName().FullName;
 139                         }
 140                 }
 141                 public override Type BaseType {
 142                         get {
 143                                 return parent;
 144                         }
 145                 }
 146                 public override Type DeclaringType {get {return nesting_type;}}
 147
 148 /*              public override bool IsSubclassOf (Type c)
 149                 {
 150                         Type t;
 151                         if (c == null)
 152                                 return false;
 153                         if (c == this)
 154                                 return false;
 155                         t = parent;
 156                         while (t != null) {
 157                                 if (c == t)
 158                                         return true;
 159                                 t = t.BaseType;
 160                         }
 161                         return false;
 162                 }*/
 163
 164                 [MonoTODO]
 165                 public override Type UnderlyingSystemType {
 166                         get {
 167                                 // This should return the type itself for non-enum types but
 168                                 // that breaks mcs.
 169                                 if (fields != null) {
 170                                         foreach (FieldBuilder f in fields) {
 171                                                 if ((f != null) && (f.Attributes & FieldAttributes.Static) == 0)
 172                                                         return f.FieldType;
 173                                         }
 174                                 }
 175                                 throw new InvalidOperationException ("Underlying type information on enumeration is not specified.");
 176                         }
 177                 }
 178
 179                 string GetFullName () {
 180                         if (nesting_type != null)
 181                                 return String.Concat (nesting_type.FullName, "+", tname);
 182                         if ((nspace != null) && (nspace.Length > 0))
 183                                 return String.Concat (nspace, ".", tname);
 184                         return tname;
 185                 }
 186
 187                 public override string FullName {
 188                         get {
 189                                 return fullname;
 190                         }
 191                 }
 192
 193                 public override Guid GUID {
 194                         get {
 195                             throw not_supported ();
 196                         }
 197                 }
 198
 199                 public override Module Module {
 200                         get {return pmodule;}
 201                 }
 202                 public override string Name {
 203                         get {return tname;}
 204                 }
 205                 public override string Namespace {
 206                         get {return nspace;}
 207                 }
 208                 public PackingSize PackingSize {
 209                         get {return packing_size;}
 210                 }
 211                 public int Size {
 212                         get { return class_size; }
 213                 }
 214                 public override Type ReflectedType {get {return nesting_type;}}
 215
 216                 public void AddDeclarativeSecurity( SecurityAction action, PermissionSet pset) {
 217                         if (pset == null)
 218                                 throw new ArgumentNullException ("pset");
 219                         if ((action == SecurityAction.RequestMinimum) ||
 220                                 (action == SecurityAction.RequestOptional) ||
 221                                 (action == SecurityAction.RequestRefuse))
 222                                 throw new ArgumentException ("Request* values are not permitted", "action");
 223
 224                         if (is_created)
 225                                 throw not_after_created ();
 226
 227                         if (permissions != null) {
 228                                 /* Check duplicate actions */
 229                                 foreach (RefEmitPermissionSet set in permissions)
 230                                         if (set.action == action)
 231                                                 throw new InvalidOperationException ("Multiple permission sets specified with the same SecurityAction.");
 232
 233                                 RefEmitPermissionSet[] new_array = new RefEmitPermissionSet [permissions.Length + 1];
 234                                 permissions.CopyTo (new_array, 0);
 235                                 permissions = new_array;
 236                         }
 237                         else
 238                                 permissions = new RefEmitPermissionSet [1];
 239
 240                         permissions [permissions.Length - 1] = new RefEmitPermissionSet (action, pset.ToXml ().ToString ());
 241                         attrs |= TypeAttributes.HasSecurity;
 242                 }
 243
 244                 public void AddInterfaceImplementation( Type interfaceType) {
 245                         if (interfaceType == null)
 246                                 throw new ArgumentNullException ("interfaceType");
 247                         if (is_created)
 248                                 throw not_after_created ();
 249
 250                         if (interfaces != null) {
 251                                 // Check for duplicates
 252                                 foreach (Type t in interfaces)
 253                                         if (t == interfaceType)
 254                                                 return;
 255
 256                                 Type[] ifnew = new Type [interfaces.Length + 1];
 257                                 interfaces.CopyTo (ifnew, 0);
 258                                 ifnew [interfaces.Length] = interfaceType;
 259                                 interfaces = ifnew;
 260                         } else {
 261                                 interfaces = new Type [1];
 262                                 interfaces [0] = interfaceType;
 263                         }
 264                 }
 265
 266                 [MonoTODO]
 267                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder,
 268                                                                        CallingConventions callConvention, Type[] types,
 269                                                                        ParameterModifier[] modifiers)
 270                 {
 271                         if (ctors == null)
 272                                 return null;
 273
 274                         ConstructorBuilder found = null;
 275                         int count = 0;
 276
 277                         foreach (ConstructorBuilder cb in ctors){
 278                                 if (callConvention != CallingConventions.Any && cb.CallingConvention != callConvention)
 279                                         continue;
 280                                 found = cb;
 281                                 count++;
 282                         }
 283
 284                         if (count == 0)
 285                                 return null;
 286                         if (types == null){
 287                                 if (count > 1)
 288                                         throw new AmbiguousMatchException ();
 289                                 return found;
 290                         }
 291                         MethodBase[] match = new MethodBase [count];
 292                         if (count == 1)
 293                                 match [0] = found;
 294                         else {
 295                                 count = 0;
 296                                 foreach (ConstructorInfo m in ctors) {
 297                                         if (callConvention != CallingConventions.Any && m.CallingConvention != callConvention)
 298                                                 continue;
 299                                         match [count++] = m;
 300                                 }
 301                         }
 302                         if (binder == null)
 303                                 binder = Binder.DefaultBinder;
 304                         return (ConstructorInfo)binder.SelectMethod (bindingAttr, match, types, modifiers);
 305                 }
 306
 307                 public override bool IsDefined( Type attributeType, bool inherit)
 308                 {
 309                         /*
 310                          * MS throws NotSupported here, but we can't because some corlib
 311                          * classes make calls to IsDefined.
 312                          */
 313                         return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
 314                 }
 315
 316                 public override object[] GetCustomAttributes(bool inherit)
 317                 {
 318                         throw not_supported ();
 319                 }
 320
 321                 public override object[] GetCustomAttributes(Type attributeType, bool inherit)
 322                 {
 323                         throw not_supported ();
 324                 }
 325
 326                 public TypeBuilder DefineNestedType (string name) {
 327                         return DefineNestedType (name, TypeAttributes.NestedPrivate, pmodule.assemblyb.corlib_object_type, null);
 328                 }
 329
 330                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr) {
 331                         return DefineNestedType (name, attr, pmodule.assemblyb.corlib_object_type, null);
 332                 }
 333
 334                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent) {
 335                         return DefineNestedType (name, attr, parent, null);
 336                 }
 337
 338                 private TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces,
 339                                                       PackingSize packsize, int typesize)
 340                 {
 341                         check_name ("name", name);
 342                         // Visibility must be NestedXXX
 343                         /* This breaks mcs
 344                         if (((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.Public) ||
 345                                 ((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NotPublic))
 346                                 throw new ArgumentException ("attr", "Bad type flags for nested type.");
 347                         */
 348                         if (interfaces != null)
 349                                 foreach (Type iface in interfaces)
 350                                         if (iface == null)
 351                                                 throw new ArgumentNullException ("interfaces");
 352
 353                         TypeBuilder res = new TypeBuilder (pmodule, name, attr, parent, interfaces, packsize, typesize, this);
 354                         res.fullname = res.GetFullName ();
 355                         pmodule.RegisterTypeName (res, res.fullname);
 356                         if (subtypes != null) {
 357                                 TypeBuilder[] new_types = new TypeBuilder [subtypes.Length + 1];
 358                                 System.Array.Copy (subtypes, new_types, subtypes.Length);
 359                                 new_types [subtypes.Length] = res;
 360                                 subtypes = new_types;
 361                         } else {
 362                                 subtypes = new TypeBuilder [1];
 363                                 subtypes [0] = res;
 364                         }
 365                         return res;
 366                 }
 367
 368                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces) {
 369                         return DefineNestedType (name, attr, parent, interfaces, PackingSize.Unspecified, UnspecifiedTypeSize);
 370                 }
 371
 372                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, int typesize) {
 373                         return DefineNestedType (name, attr, parent, null, PackingSize.Unspecified, typesize);
 374                 }
 375
 376                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, PackingSize packsize) {
 377                         return DefineNestedType (name, attr, parent, null, packsize, UnspecifiedTypeSize);
 378                 }
 379
 380                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes) {
 381                         return DefineConstructor (attributes, callingConvention, parameterTypes, null, null);
 382                 }
 383
 384 #if NET_2_0 || BOOTSTRAP_NET_2_0
 385                 public
 386 #else
 387                 internal
 388 #endif
 389                 ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes, Type[][] requiredCustomModifiers, Type[][] optionalCustomModifiers)
 390                 {
 391                         if (is_created)
 392                                 throw not_after_created ();
 393                         ConstructorBuilder cb = new ConstructorBuilder (this, attributes, callingConvention, parameterTypes, requiredCustomModifiers, optionalCustomModifiers);
 394                         if (ctors != null) {
 395                                 ConstructorBuilder[] new_ctors = new ConstructorBuilder [ctors.Length+1];
 396                                 System.Array.Copy (ctors, new_ctors, ctors.Length);
 397                                 new_ctors [ctors.Length] = cb;
 398                                 ctors = new_ctors;
 399                         } else {
 400                                 ctors = new ConstructorBuilder [1];
 401                                 ctors [0] = cb;
 402                         }
 403                         return cb;
 404                 }
 405
 406                 public ConstructorBuilder DefineDefaultConstructor (MethodAttributes attributes)
 407                 {
 408                         ConstructorBuilder cb = DefineConstructor (attributes, CallingConventions.Standard, new Type [0]);
 409
 410                         Type parent_type;
 411
 412                         if (parent != null)
 413                                 parent_type = parent;
 414                         else
 415                                 parent_type = pmodule.assemblyb.corlib_object_type;
 416
 417                         ConstructorInfo parent_constructor =
 418                                 parent_type.GetConstructor (
 419                                         BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
 420                                         null, Type.EmptyTypes, null);
 421
 422                         ILGenerator ig = cb.GetILGenerator ();
 423                         if (parent_constructor != null){
 424                                 ig.Emit (OpCodes.Ldarg_0);
 425                                 ig.Emit (OpCodes.Call, parent_constructor);
 426                         }
 427                         ig.Emit (OpCodes.Ret);
 428                         return cb;
 429                 }
 430
 431                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes) {
 432                         return DefineMethod (name, attributes, CallingConventions.Standard, returnType, parameterTypes);
 433                 }
 434
 435                 private void append_method (MethodBuilder mb) {
 436                         if (methods != null) {
 437                                 if (methods.Length == num_methods) {
 438                                         MethodBuilder[] new_methods = new MethodBuilder [methods.Length * 2];
 439                                         System.Array.Copy (methods, new_methods, num_methods);
 440                                         methods = new_methods;
 441                                 }
 442                         } else {
 443                                 methods = new MethodBuilder [1];
 444                         }
 445                         methods [num_methods] = mb;
 446                         num_methods ++;
 447                 }
 448
 449                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
 450                         return DefineMethod (name, attributes, callingConvention, returnType, null, null, parameterTypes, null, null);
 451                 }
 452
 453 #if NET_2_0 || BOOTSTRAP_NET_2_0
 454                 public
 455 #else
 456                 internal
 457 #endif
 458                 MethodBuilder DefineMethod( string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers) {
 459                         check_name ("name", name);
 460                         if (is_created)
 461                                 throw not_after_created ();
 462                         if (IsInterface && (
 463                                 !((attributes & MethodAttributes.Abstract) != 0) ||
 464                                 !((attributes & MethodAttributes.Virtual) != 0)))
 465                                 throw new ArgumentException ("attributes", "Interface method must be abstract and virtual.");
 466
 467                         if (returnType == null)
 468                                 returnType = pmodule.assemblyb.corlib_void_type;
 469                         MethodBuilder res = new MethodBuilder (this, name, attributes, callingConvention, returnType, returnTypeRequiredCustomModifiers, returnTypeOptionalCustomModifiers, parameterTypes, parameterTypeRequiredCustomModifiers, parameterTypeOptionalCustomModifiers);
 470                         append_method (res);
 471                         return res;
 472                 }
 473
 474                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 475                         return DefinePInvokeMethod (name, dllName, entryName, attributes, callingConvention, returnType, null, null, parameterTypes, null, null, nativeCallConv, nativeCharSet);
 476                 }
 477
 478 #if NET_2_0 || BOOTSTRAP_NET_2_0
 479                 public
 480 #else
 481                 internal
 482 #endif
 483                 MethodBuilder DefinePInvokeMethod (
 484                                                 string name,
 485                                                 string dllName,
 486                                                 string entryName, MethodAttributes attributes,
 487                                                 CallingConventions callingConvention,
 488                                                 Type returnType,
 489                                                 Type[] returnTypeRequiredCustomModifiers,
 490                                                 Type[] returnTypeOptionalCustomModifiers,
 491                                                 Type[] parameterTypes,
 492                                                 Type[][] parameterTypeRequiredCustomModifiers,
 493                                                 Type[][] parameterTypeOptionalCustomModifiers,
 494                                                 CallingConvention nativeCallConv,
 495                                                 CharSet nativeCharSet) {
 496                         check_name ("name", name);
 497                         check_name ("dllName", dllName);
 498                         check_name ("entryName", entryName);
 499                         if ((attributes & MethodAttributes.Abstract) != 0)
 500                                 throw new ArgumentException ("attributes", "PInvoke methods must be static and native and cannot be abstract.");
 501                         if (IsInterface)
 502                                 throw new ArgumentException ("PInvoke methods cannot exist on interfaces.");
 503                         if (is_created)
 504                                 throw not_after_created ();
 505
 506                         MethodBuilder res
 507                                 = new MethodBuilder (
 508                                                 this,
 509                                                 name,
 510                                                 attributes,
 511                                                 callingConvention,
 512                                                 returnType,
 513                                                 returnTypeRequiredCustomModifiers,
 514                                                 returnTypeOptionalCustomModifiers,
 515                                                 parameterTypes,
 516                                                 parameterTypeRequiredCustomModifiers,
 517                                                 parameterTypeOptionalCustomModifiers,
 518                                                 dllName,
 519                                                 entryName,
 520                                                 nativeCallConv,
 521                                                 nativeCharSet);
 522                         append_method (res);
 523                         return res;
 524                 }
 525
 526                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 527                         return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes,
 528                                 nativeCallConv, nativeCharSet);
 529                 }
 530
 531                 public void DefineMethodOverride( MethodInfo methodInfoBody, MethodInfo methodInfoDeclaration) {
 532                         if (methodInfoBody == null)
 533                                 throw new ArgumentNullException ("methodInfoBody");
 534                         if (methodInfoDeclaration == null)
 535                                 throw new ArgumentNullException ("methodInfoDeclaration");
 536                         if (is_created)
 537                                 throw not_after_created ();
 538
 539                         if (methodInfoBody is MethodBuilder) {
 540                                 MethodBuilder mb = (MethodBuilder)methodInfoBody;
 541                                 mb.set_override (methodInfoDeclaration);
 542                         }
 543                 }
 544
 545                 public FieldBuilder DefineField( string fieldName, Type type, FieldAttributes attributes) {
 546                         return DefineField (fieldName, type, null, null, attributes);
 547                 }
 548
 549 #if NET_2_0 || BOOTSTRAP_NET_2_0
 550                 public
 551 #else
 552                 internal
 553 #endif
 554             FieldBuilder DefineField( string fieldName, Type type, Type[] requiredCustomAttributes, Type[] optionalCustomAttributes, FieldAttributes attributes) {
 555                         check_name ("fieldName", fieldName);
 556                         if (type == typeof (void))
 557                                 throw new ArgumentException ("type",  "Bad field type in defining field.");
 558                         if (is_created)
 559                                 throw not_after_created ();
 560
 561                         FieldBuilder res = new FieldBuilder (this, fieldName, type, attributes, requiredCustomAttributes, optionalCustomAttributes);
 562                         if (fields != null) {
 563                                 if (fields.Length == num_fields) {
 564                                         FieldBuilder[] new_fields = new FieldBuilder [fields.Length * 2];
 565                                         System.Array.Copy (fields, new_fields, num_fields);
 566                                         fields = new_fields;
 567                                 }
 568                                 fields [num_fields] = res;
 569                                 num_fields ++;
 570                         } else {
 571                                 fields = new FieldBuilder [1];
 572                                 fields [0] = res;
 573                                 num_fields ++;
 574                                 create_internal_class (this);
 575                         }
 576                         return res;
 577                 }
 578
 579                 public PropertyBuilder DefineProperty( string name, PropertyAttributes attributes, Type returnType, Type[] parameterTypes) {
 580                         check_name ("name", name);
 581                         if (parameterTypes != null)
 582                                 foreach (Type param in parameterTypes)
 583                                         if (param == null)
 584                                                 throw new ArgumentNullException ("parameterTypes");
 585                         if (is_created)
 586                                 throw not_after_created ();
 587
 588                         PropertyBuilder res = new PropertyBuilder (this, name, attributes, returnType, parameterTypes);
 589
 590                         if (properties != null) {
 591                                 PropertyBuilder[] new_properties = new PropertyBuilder [properties.Length+1];
 592                                 System.Array.Copy (properties, new_properties, properties.Length);
 593                                 new_properties [properties.Length] = res;
 594                                 properties = new_properties;
 595                         } else {
 596                                 properties = new PropertyBuilder [1];
 597                                 properties [0] = res;
 598                         }
 599                         return res;
 600                 }
 601
 602                 public ConstructorBuilder DefineTypeInitializer() {
 603                         return DefineConstructor (MethodAttributes.Public | MethodAttributes.Static | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName, CallingConventions.Standard, null);
 604                 }
 605
 606                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 607                 private extern Type create_runtime_class (TypeBuilder tb);
 608
 609                 private bool is_nested_in (Type t) {
 610                         while (t != null) {
 611                                 if (t == this)
 612                                         return true;
 613                                 else
 614                                         t = t.DeclaringType;
 615                         }
 616                         return false;
 617                 }
 618
 619                 public Type CreateType() {
 620                         /* handle nesting_type */
 621                         if (is_created)
 622                                 throw not_after_created ();
 623
 624                         // Fire TypeResolve events for fields whose type is an unfinished
 625                         // value type.
 626                         if (fields != null) {
 627                                 foreach (FieldBuilder fb in fields) {
 628                                         if (fb == null)
 629                                                 continue;
 630                                         Type ft = fb.FieldType;
 631                                         if (!fb.IsStatic && (ft is TypeBuilder) && ft.IsValueType && (ft != this) && is_nested_in (ft)) {
 632                                                 TypeBuilder tb = (TypeBuilder)ft;
 633                                                 if (!tb.is_created) {
 634                                                         AppDomain.CurrentDomain.DoTypeResolve (tb);
 635                                                         if (!tb.is_created) {
 636                                                                 // FIXME: We should throw an exception here,
 637                                                                 // but mcs expects that the type is created
 638                                                                 // even if the exception is thrown
 639                                                                 //throw new TypeLoadException ("Could not load type " + tb);
 640                                                         }
 641                                                 }
 642                                         }
 643                                 }
 644                         }
 645
 646                         if (methods != null) {
 647                                 for (int i = 0; i < num_methods; ++i)
 648                                         ((MethodBuilder)(methods[i])).fixup ();
 649                         }
 650
 651                         //
 652                         // On classes, define a default constructor if not provided
 653                         //
 654                         if (!(IsInterface || IsValueType) && (ctors == null) && (tname != "<Module>") &&
 655                                 (GetAttributeFlagsImpl () & TypeAttributes.Abstract | TypeAttributes.Sealed) != (TypeAttributes.Abstract | TypeAttributes.Sealed))
 656                                 DefineDefaultConstructor (MethodAttributes.Public);
 657
 658                         if (ctors != null){
 659                                 foreach (ConstructorBuilder ctor in ctors)
 660                                         ctor.fixup ();
 661                         }
 662
 663                         created = create_runtime_class (this);
 664                         if (created != null)
 665                                 return created;
 666                         return this;
 667                 }
 668
 669                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 670                 {
 671                         if (ctors == null)
 672                                 return new ConstructorInfo [0];
 673                         ArrayList l = new ArrayList ();
 674                         bool match;
 675                         MethodAttributes mattrs;
 676
 677                         foreach (ConstructorBuilder c in ctors) {
 678                                 match = false;
 679                                 mattrs = c.Attributes;
 680                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 681                                         if ((bindingAttr & BindingFlags.Public) != 0)
 682                                                 match = true;
 683                                 } else {
 684                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 685                                                 match = true;
 686                                 }
 687                                 if (!match)
 688                                         continue;
 689                                 match = false;
 690                                 if ((mattrs & MethodAttributes.Static) != 0) {
 691                                         if ((bindingAttr & BindingFlags.Static) != 0)
 692                                                 match = true;
 693                                 } else {
 694                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 695                                                 match = true;
 696                                 }
 697                                 if (!match)
 698                                         continue;
 699                                 l.Add (c);
 700                         }
 701                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 702                         l.CopyTo (result);
 703                         return result;
 704                 }
 705
 706                 public override Type GetElementType () {
 707                         throw not_supported ();
 708                 }
 709
 710                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr) {
 711                         throw not_supported ();
 712                 }
 713
 714                 /* Needed to keep signature compatibility with MS.NET */
 715                 public override EventInfo[] GetEvents ()
 716                 {
 717                         return GetEvents (DefaultBindingFlags);
 718                 }
 719
 720                 public override EventInfo[] GetEvents (BindingFlags bindingAttr) {
 721                         // FIXME: Under MS.NET, this throws a NotImplementedException
 722                         // But mcs calls this method. How can that be?
 723                         return new EventInfo [0];
 724                 }
 725
 726                 // This is only used from MonoGenericInst.initialize().
 727                 internal EventInfo[] GetEvents_internal (BindingFlags bindingAttr)
 728                 {
 729                         if (events == null)
 730                                 return new EventInfo [0];
 731                         ArrayList l = new ArrayList ();
 732                         bool match;
 733                         MethodAttributes mattrs;
 734                         MethodInfo accessor;
 735
 736                         foreach (EventBuilder eb in events) {
 737                                 if (eb == null)
 738                                         continue;
 739                                 EventInfo c = get_event_info (eb);
 740                                 match = false;
 741                                 accessor = c.GetAddMethod (true);
 742                                 if (accessor == null)
 743                                         accessor = c.GetRemoveMethod (true);
 744                                 if (accessor == null)
 745                                         continue;
 746                                 mattrs = accessor.Attributes;
 747                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 748                                         if ((bindingAttr & BindingFlags.Public) != 0)
 749                                                 match = true;
 750                                 } else {
 751                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 752                                                 match = true;
 753                                 }
 754                                 if (!match)
 755                                         continue;
 756                                 match = false;
 757                                 if ((mattrs & MethodAttributes.Static) != 0) {
 758                                         if ((bindingAttr & BindingFlags.Static) != 0)
 759                                                 match = true;
 760                                 } else {
 761                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 762                                                 match = true;
 763                                 }
 764                                 if (!match)
 765                                         continue;
 766                                 l.Add (c);
 767                         }
 768                         EventInfo[] result = new EventInfo [l.Count];
 769                         l.CopyTo (result);
 770                         return result;
 771                 }
 772
 773                 public override FieldInfo GetField( string name, BindingFlags bindingAttr) {
 774                         if (fields == null)
 775                                 return null;
 776
 777                         bool match;
 778                         FieldAttributes mattrs;
 779
 780                         foreach (FieldInfo c in fields) {
 781                                 if (c == null)
 782                                         continue;
 783                                 if (c.Name != name)
 784                                         continue;
 785                                 match = false;
 786                                 mattrs = c.Attributes;
 787                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 788                                         if ((bindingAttr & BindingFlags.Public) != 0)
 789                                                 match = true;
 790                                 } else {
 791                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 792                                                 match = true;
 793                                 }
 794                                 if (!match)
 795                                         continue;
 796                                 match = false;
 797                                 if ((mattrs & FieldAttributes.Static) != 0) {
 798                                         if ((bindingAttr & BindingFlags.Static) != 0)
 799                                                 match = true;
 800                                 } else {
 801                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 802                                                 match = true;
 803                                 }
 804                                 if (!match)
 805                                         continue;
 806                                 return c;
 807                         }
 808                         return null;
 809                 }
 810
 811                 public override FieldInfo[] GetFields (BindingFlags bindingAttr) {
 812                         if (fields == null)
 813                                 return new FieldInfo [0];
 814                         ArrayList l = new ArrayList ();
 815                         bool match;
 816                         FieldAttributes mattrs;
 817
 818                         foreach (FieldInfo c in fields) {
 819                                 if (c == null)
 820                                         continue;
 821                                 match = false;
 822                                 mattrs = c.Attributes;
 823                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 824                                         if ((bindingAttr & BindingFlags.Public) != 0)
 825                                                 match = true;
 826                                 } else {
 827                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 828                                                 match = true;
 829                                 }
 830                                 if (!match)
 831                                         continue;
 832                                 match = false;
 833                                 if ((mattrs & FieldAttributes.Static) != 0) {
 834                                         if ((bindingAttr & BindingFlags.Static) != 0)
 835                                                 match = true;
 836                                 } else {
 837                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 838                                                 match = true;
 839                                 }
 840                                 if (!match)
 841                                         continue;
 842                                 l.Add (c);
 843                         }
 844                         FieldInfo[] result = new FieldInfo [l.Count];
 845                         l.CopyTo (result);
 846                         return result;
 847                 }
 848
 849                 public override Type GetInterface (string name, bool ignoreCase) {
 850                         throw not_supported ();
 851                 }
 852
 853                 public override Type[] GetInterfaces () {
 854                         if (interfaces != null) {
 855                                 Type[] ret = new Type [interfaces.Length];
 856                                 interfaces.CopyTo (ret, 0);
 857                                 return ret;
 858                         } else {
 859                                 return Type.EmptyTypes;
 860                         }
 861                 }
 862
 863                 public override MemberInfo[] GetMember (string name, MemberTypes type,
 864                                                                                                 BindingFlags bindingAttr) {
 865                         throw not_supported ();
 866                 }
 867
 868                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr) {
 869                         throw not_supported ();
 870                 }
 871
 872                 private MethodInfo[] GetMethodsByName (string name, BindingFlags bindingAttr, bool ignoreCase, Type reflected_type) {
 873                         MethodInfo[] candidates;
 874                         if (((bindingAttr & BindingFlags.DeclaredOnly) == 0) && (parent != null)) {
 875                                 MethodInfo[] parent_methods = parent.GetMethods (bindingAttr);
 876                                 if (methods == null)
 877                                         candidates = parent_methods;
 878                                 else {
 879                                         candidates = new MethodInfo [methods.Length + parent_methods.Length];
 880                                         parent_methods.CopyTo (candidates, 0);
 881                                         methods.CopyTo (candidates, parent_methods.Length);
 882                                 }
 883                         }
 884                         else
 885                                 candidates = methods;
 886
 887                         if (candidates == null)
 888                                 return new MethodInfo [0];
 889
 890                         ArrayList l = new ArrayList ();
 891                         bool match;
 892                         MethodAttributes mattrs;
 893
 894                         foreach (MethodInfo c in candidates) {
 895                                 if (c == null)
 896                                         continue;
 897                                 if (name != null) {
 898                                         if (String.Compare (c.Name, name, ignoreCase) != 0)
 899                                                 continue;
 900                                 }
 901                                 match = false;
 902                                 mattrs = c.Attributes;
 903                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 904                                         if ((bindingAttr & BindingFlags.Public) != 0)
 905                                                 match = true;
 906                                 } else {
 907                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 908                                                 match = true;
 909                                 }
 910                                 if (!match)
 911                                         continue;
 912                                 match = false;
 913                                 if ((mattrs & MethodAttributes.Static) != 0) {
 914                                         if ((bindingAttr & BindingFlags.Static) != 0)
 915                                                 match = true;
 916                                 } else {
 917                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 918                                                 match = true;
 919                                 }
 920                                 if (!match)
 921                                         continue;
 922                                 l.Add (c);
 923                         }
 924
 925                         MethodInfo[] result = new MethodInfo [l.Count];
 926                         l.CopyTo (result);
 927                         return result;
 928                 }
 929
 930                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr) {
 931                         return GetMethodsByName (null, bindingAttr, false, this);
 932                 }
 933
 934                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr,
 935                                                              Binder binder,
 936                                                              CallingConventions callConvention,
 937                                                              Type[] types, ParameterModifier[] modifiers)
 938                 {
 939                         if (!is_created)
 940                                 /* MS.Net throws this exception if the type is unfinished... */
 941                                 throw not_supported ();
 942
 943                         bool ignoreCase = ((bindingAttr & BindingFlags.IgnoreCase) != 0);
 944                         MethodInfo[] methods = GetMethodsByName (name, bindingAttr, ignoreCase, this);
 945                         MethodInfo found = null;
 946                         MethodBase[] match;
 947                         int typesLen = (types != null) ? types.Length : 0;
 948                         int count = 0;
 949
 950                         foreach (MethodInfo m in methods) {
 951                                 // Under MS.NET, Standard|HasThis matches Standard...
 952                                 if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
 953                                         continue;
 954                                 found = m;
 955                                 count++;
 956                         }
 957
 958                         if (count == 0)
 959                                 return null;
 960
 961                         if (count == 1 && typesLen == 0)
 962                                 return found;
 963
 964                         match = new MethodBase [count];
 965                         if (count == 1)
 966                                 match [0] = found;
 967                         else {
 968                                 count = 0;
 969                                 foreach (MethodInfo m in methods) {
 970                                         if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
 971                                                 continue;
 972                                         match [count++] = m;
 973                                 }
 974                         }
 975
 976                         if (types == null)
 977                                 return (MethodInfo) Binder.FindMostDerivedMatch (match);
 978
 979                         if (binder == null)
 980                                 binder = Binder.DefaultBinder;
 981
 982                         return (MethodInfo)binder.SelectMethod (bindingAttr, match, types, modifiers);
 983                 }
 984
 985                 public override Type GetNestedType( string name, BindingFlags bindingAttr) {
 986                         throw not_supported ();
 987                 }
 988
 989                 public override Type[] GetNestedTypes (BindingFlags bindingAttr) {
 990                         bool match;
 991                         ArrayList result = new ArrayList ();
 992
 993                         if (subtypes == null)
 994                                 return Type.EmptyTypes;
 995                         foreach (TypeBuilder t in subtypes) {
 996                                 match = false;
 997                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
 998                                         if ((bindingAttr & BindingFlags.Public) != 0)
 999                                                 match = true;
1000                                 } else {
1001                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1002                                                 match = true;
1003                                 }
1004                                 if (!match)
1005                                         continue;
1006                                 result.Add (t);
1007                         }
1008                         Type[] r = new Type [result.Count];
1009                         result.CopyTo (r);
1010                         return r;
1011                 }
1012
1013                 public override PropertyInfo[] GetProperties( BindingFlags bindingAttr) {
1014                         if (properties == null)
1015                                 return new PropertyInfo [0];
1016                         ArrayList l = new ArrayList ();
1017                         bool match;
1018                         MethodAttributes mattrs;
1019                         MethodInfo accessor;
1020
1021                         foreach (PropertyInfo c in properties) {
1022                                 match = false;
1023                                 accessor = c.GetGetMethod (true);
1024                                 if (accessor == null)
1025                                         accessor = c.GetSetMethod (true);
1026                                 if (accessor == null)
1027                                         continue;
1028                                 mattrs = accessor.Attributes;
1029                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
1030                                         if ((bindingAttr & BindingFlags.Public) != 0)
1031                                                 match = true;
1032                                 } else {
1033                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1034                                                 match = true;
1035                                 }
1036                                 if (!match)
1037                                         continue;
1038                                 match = false;
1039                                 if ((mattrs & MethodAttributes.Static) != 0) {
1040                                         if ((bindingAttr & BindingFlags.Static) != 0)
1041                                                 match = true;
1042                                 } else {
1043                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1044                                                 match = true;
1045                                 }
1046                                 if (!match)
1047                                         continue;
1048                                 l.Add (c);
1049                         }
1050                         PropertyInfo[] result = new PropertyInfo [l.Count];
1051                         l.CopyTo (result);
1052                         return result;
1053                 }
1054
1055                 protected override PropertyInfo GetPropertyImpl( string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers) {
1056                         throw not_supported ();
1057                 }
1058
1059                 protected override bool HasElementTypeImpl () {
1060                         // According to the MSDN docs, this is supported for TypeBuilders,
1061                         // but in reality, it is not
1062                         throw not_supported ();
1063                         //                      return IsArrayImpl() || IsByRefImpl() || IsPointerImpl ();
1064                 }
1065
1066                 public override object InvokeMember( string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters) {
1067                         throw not_supported ();
1068                 }
1069
1070                 protected override bool IsArrayImpl ()
1071                 {
1072                         return Type.IsArrayImpl (this);
1073                 }
1074
1075                 protected override bool IsByRefImpl () {
1076                         // FIXME
1077                         return false;
1078                 }
1079                 protected override bool IsCOMObjectImpl () {
1080                         return false;
1081                 }
1082                 protected override bool IsPointerImpl () {
1083                         // FIXME
1084                         return false;
1085                 }
1086                 protected override bool IsPrimitiveImpl () {
1087                         // FIXME
1088                         return false;
1089                 }
1090                 protected override bool IsValueTypeImpl () {
1091                         return ((type_is_subtype_of (this, pmodule.assemblyb.corlib_value_type, false) || type_is_subtype_of (this, typeof(System.ValueType), false)) &&
1092                                 this != pmodule.assemblyb.corlib_value_type &&
1093                                 this != pmodule.assemblyb.corlib_enum_type);
1094                 }
1095
1096                 public override RuntimeTypeHandle TypeHandle {
1097                         get {
1098                                 throw not_supported ();
1099                         }
1100                 }
1101
1102                 public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
1103                         if (customBuilder == null)
1104                                 throw new ArgumentNullException ("customBuilder");
1105
1106                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
1107                         if (attrname == "System.Runtime.InteropServices.StructLayoutAttribute") {
1108                                 byte[] data = customBuilder.Data;
1109                                 int layout_kind; /* the (stupid) ctor takes a short or an int ... */
1110                                 layout_kind = (int)data [2];
1111                                 layout_kind |= ((int)data [3]) << 8;
1112                                 attrs &= ~TypeAttributes.LayoutMask;
1113                                 switch ((LayoutKind)layout_kind) {
1114                                 case LayoutKind.Auto:
1115                                         attrs |= TypeAttributes.AutoLayout;
1116                                         break;
1117                                 case LayoutKind.Explicit:
1118                                         attrs |= TypeAttributes.ExplicitLayout;
1119                                         break;
1120                                 case LayoutKind.Sequential:
1121                                         attrs |= TypeAttributes.SequentialLayout;
1122                                         break;
1123                                 default:
1124                                         // we should ignore it since it can be any value anyway...
1125                                         throw new Exception ("Error in customattr");
1126                                 }
1127                                 string first_type_name = customBuilder.Ctor.GetParameters()[0].ParameterType.FullName;
1128                                 int pos = 6;
1129                                 if (first_type_name == "System.Int16")
1130                                         pos = 4;
1131                                 int nnamed = (int)data [pos++];
1132                                 nnamed |= ((int)data [pos++]) << 8;
1133                                 for (int i = 0; i < nnamed; ++i) {
1134                                         byte named_type = data [pos++];
1135                                         byte type = data [pos++];
1136                                         int len;
1137                                         string named_name;
1138
1139                                         if (type == 0x55) {
1140                                                 len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1141                                                 string named_typename = CustomAttributeBuilder.string_from_bytes (data, pos, len);
1142                                                 pos += len;
1143                                                 // FIXME: Check that 'named_type' and 'named_typename' match, etc.
1144                                                 //        See related code/FIXME in mono/mono/metadata/reflection.c
1145                                         }
1146
1147                                         len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1148                                         named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
1149                                         pos += len;
1150                                         /* all the fields are integers in StructLayout */
1151                                         int value = (int)data [pos++];
1152                                         value |= ((int)data [pos++]) << 8;
1153                                         value |= ((int)data [pos++]) << 16;
1154                                         value |= ((int)data [pos++]) << 24;
1155                                         switch (named_name) {
1156                                         case "CharSet":
1157                                                 switch ((CharSet)value) {
1158                                                 case CharSet.None:
1159                                                 case CharSet.Ansi:
1160                                                         break;
1161                                                 case CharSet.Unicode:
1162                                                         attrs |= TypeAttributes.UnicodeClass;
1163                                                         break;
1164                                                 case CharSet.Auto:
1165                                                         attrs |= TypeAttributes.AutoClass;
1166                                                         break;
1167                                                 default:
1168                                                         break; // error out...
1169                                                 }
1170                                                 break;
1171                                         case "Pack":
1172                                                 packing_size = (PackingSize)value;
1173                                                 break;
1174                                         case "Size":
1175                                                 class_size = value;
1176                                                 break;
1177                                         default:
1178                                                 break; // error out...
1179                                         }
1180                                 }
1181                                 return;
1182                         } else if (attrname == "System.SerializableAttribute") {
1183                                 attrs |= TypeAttributes.Serializable;
1184                                 return;
1185                         }
1186                         if (cattrs != null) {
1187                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
1188                                 cattrs.CopyTo (new_array, 0);
1189                                 new_array [cattrs.Length] = customBuilder;
1190                                 cattrs = new_array;
1191                         } else {
1192                                 cattrs = new CustomAttributeBuilder [1];
1193                                 cattrs [0] = customBuilder;
1194                         }
1195                 }
1196                 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
1197                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
1198                 }
1199
1200                 public EventBuilder DefineEvent( string name, EventAttributes attributes, Type eventtype) {
1201                         check_name ("name", name);
1202                         if (eventtype == null)
1203                                 throw new ArgumentNullException ("eventtype");
1204                         if (is_created)
1205                                 throw not_after_created ();
1206
1207                         EventBuilder res = new EventBuilder (this, name, attributes, eventtype);
1208                         if (events != null) {
1209                                 EventBuilder[] new_events = new EventBuilder [events.Length+1];
1210                                 System.Array.Copy (events, new_events, events.Length);
1211                                 new_events [events.Length] = res;
1212                                 events = new_events;
1213                         } else {
1214                                 events = new EventBuilder [1];
1215                                 events [0] = res;
1216                         }
1217                         return res;
1218                 }
1219
1220                 public FieldBuilder DefineInitializedData( string name, byte[] data, FieldAttributes attributes) {
1221                         if (data == null)
1222                                 throw new ArgumentNullException ("data");
1223                         if ((data.Length == 0) || (data.Length > 0x3f0000))
1224                                 throw new ArgumentException ("data", "Data size must be > 0 and < 0x3f0000");
1225
1226                         FieldBuilder res = DefineUninitializedData (name, data.Length, attributes);
1227                         res.SetRVAData (data);
1228
1229                         return res;
1230                 }
1231
1232                 static int UnmanagedDataCount = 0;
1233
1234                 public FieldBuilder DefineUninitializedData( string name, int size, FieldAttributes attributes) {
1235                         check_name ("name", name);
1236                         if ((size <= 0) || (size > 0x3f0000))
1237                                 throw new ArgumentException ("size", "Data size must be > 0 and < 0x3f0000");
1238                         if (is_created)
1239                                 throw not_after_created ();
1240
1241                         string s = "$ArrayType$"+UnmanagedDataCount.ToString();
1242                         UnmanagedDataCount++;
1243                         TypeBuilder datablobtype = DefineNestedType (s,
1244                                 TypeAttributes.NestedPrivate|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
1245                                 pmodule.assemblyb.corlib_value_type, null, PackingSize.Size1, size);
1246                         datablobtype.CreateType ();
1247                         return DefineField (name, datablobtype, attributes|FieldAttributes.Static|FieldAttributes.HasFieldRVA);
1248                 }
1249
1250                 public TypeToken TypeToken {
1251                         get {
1252                                 return new TypeToken (0x02000000 | table_idx);
1253                         }
1254                 }
1255                 public void SetParent (Type parentType) {
1256                         if (parentType == null)
1257                                 throw new ArgumentNullException ("parentType");
1258                         if (is_created)
1259                                 throw not_after_created ();
1260
1261                         parent = parentType;
1262                         // will just set the parent-related bits if called a second time
1263                         setup_internal_class (this);
1264                 }
1265                 internal int get_next_table_index (object obj, int table, bool inc) {
1266                         return pmodule.get_next_table_index (obj, table, inc);
1267                 }
1268
1269                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
1270                 {
1271                         if (created == null)
1272                                 throw new NotSupportedException ("This method is not implemented for incomplete types.");
1273
1274                         return created.GetInterfaceMap (interfaceType);
1275                 }
1276
1277                 internal bool is_created {
1278                         get {
1279                                 return created != null;
1280                         }
1281                 }
1282
1283                 private Exception not_supported ()
1284                 {
1285                         return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
1286                 }
1287
1288                 private Exception not_after_created ()
1289                 {
1290                         return new InvalidOperationException ("Unable to change after type has been created.");
1291                 }
1292
1293                 private void check_name (string argName, string name)
1294                 {
1295                         if (name == null)
1296                                 throw new ArgumentNullException (argName);
1297                         if (name == "")
1298                                 throw new ArgumentException (argName, "Empty name is not legal.");
1299                         if (name.IndexOf ((char)0) != -1)
1300                                 throw new ArgumentException (argName, "Illegal name.");
1301                 }
1302
1303                 public override String ToString ()
1304                 {
1305                         return FullName;
1306                 }
1307
1308                 [MonoTODO]
1309                 public override bool IsAssignableFrom (Type c)
1310                 {
1311                         return base.IsAssignableFrom (c);
1312                 }
1313
1314                 [MonoTODO]
1315                 public override bool IsSubclassOf (Type c)
1316                 {
1317                         return base.IsSubclassOf (c);
1318                 }
1319
1320 #if NET_2_0 || BOOTSTRAP_NET_2_0
1321                 public bool IsCreated () {
1322                         return is_created;
1323                 }
1324
1325                 public override Type[] GetGenericArguments ()
1326                 {
1327                         if (generic_params != null)
1328                                 return generic_params;
1329
1330                         throw new InvalidOperationException ();
1331                 }
1332
1333                 public override Type GetGenericTypeDefinition ()
1334                 {
1335                         setup_generic_class (this);
1336
1337                         return base.GetGenericTypeDefinition ();
1338                 }
1339
1340                 public override bool HasGenericArguments {
1341                         get {
1342                                 throw new NotImplementedException ();
1343                         }
1344                 }
1345
1346                 public override bool ContainsGenericParameters {
1347                         get {
1348                                 return generic_params != null;
1349                         }
1350                 }
1351
1352                 public extern override bool IsGenericParameter {
1353                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
1354                         get;
1355                 }
1356
1357                 public override int GenericParameterPosition {
1358                         get {
1359                                 throw new NotImplementedException ();
1360                         }
1361                 }
1362
1363                 public override MethodInfo DeclaringMethod {
1364                         get {
1365                                 throw new NotImplementedException ();
1366                         }
1367                 }
1368
1369                 public GenericTypeParameterBuilder[] DefineGenericParameters (string[] names)
1370                 {
1371                         generic_params = new GenericTypeParameterBuilder [names.Length];
1372                         for (int i = 0; i < names.Length; i++)
1373                                 generic_params [i] = new GenericTypeParameterBuilder (
1374                                         this, null, names [i], i);
1375
1376                         return generic_params;
1377                 }
1378
1379                 public MethodBuilder DefineGenericMethod (string name, MethodAttributes attributes)
1380                 {
1381                         return DefineMethod (name, attributes, CallingConventions.Standard, null, null);
1382                 }
1383 #endif
1384         }
1385 }