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 using System;
  11 using System.Reflection;
  12 using System.Reflection.Emit;
  13 using System.Runtime.CompilerServices;
  14 using System.Runtime.InteropServices;
  15 using System.Globalization;
  16 using System.Collections;
  17 using System.Security;
  18 using System.Security.Permissions;
  19
  20 namespace System.Reflection.Emit {
  21         public sealed class TypeBuilder : Type {
  22         private string tname;
  23         private string nspace;
  24         private Type parent;
  25         private Type nesting_type;
  26         private Type[] interfaces;
  27         private MethodBuilder[] methods;
  28         private ConstructorBuilder[] ctors;
  29         private PropertyBuilder[] properties;
  30         private FieldBuilder[] fields;
  31         private EventBuilder[] events;
  32         private CustomAttributeBuilder[] cattrs;
  33         internal TypeBuilder[] subtypes;
  34         private TypeAttributes attrs;
  35         private int table_idx;
  36         private ModuleBuilder pmodule;
  37         private int class_size;
  38         private PackingSize packing_size;
  39         private Type created;
  40
  41         public const int UnspecifiedTypeSize = 0;
  42
  43                 protected override TypeAttributes GetAttributeFlagsImpl () {
  44                         return attrs;
  45                 }
  46
  47                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  48                 private extern void setup_internal_class (TypeBuilder tb);
  49
  50                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  51                 private extern void create_internal_class (TypeBuilder tb);
  52
  53                 internal TypeBuilder (ModuleBuilder mb, string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packing_size, int type_size) {
  54                         int sep_index;
  55                         this.parent = parent;
  56                         this.attrs = attr;
  57                         this.class_size = type_size;
  58                         this.packing_size = packing_size;
  59                         sep_index = name.LastIndexOf('.');
  60                         if (sep_index != -1) {
  61                                 this.tname = name.Substring (sep_index + 1);
  62                                 this.nspace = name.Substring (0, sep_index);
  63                         } else {
  64                                 this.tname = name;
  65                                 this.nspace = "";
  66                         }
  67                         if (interfaces != null) {
  68                                 this.interfaces = new Type[interfaces.Length];
  69                                 System.Array.Copy (interfaces, this.interfaces, interfaces.Length);
  70                         }
  71                         pmodule = mb;
  72                         // skip .<Module> ?
  73                         table_idx = mb.get_next_table_index (this, 0x02, true);
  74                         setup_internal_class (this);
  75                 }
  76
  77                 public override Assembly Assembly {
  78                         get {return pmodule.Assembly;}
  79                 }
  80                 public override string AssemblyQualifiedName {
  81                         get {
  82                                 return FullName + ", " + Assembly.ToString();
  83                         }
  84                 }
  85                 public override Type BaseType {
  86                         get {
  87                                 return parent;
  88                         }
  89                 }
  90                 public override Type DeclaringType {get {return nesting_type;}}
  91                 public override Type UnderlyingSystemType {
  92                         get {
  93                                 if (fields != null) {
  94                                         foreach (FieldBuilder f in fields) {
  95                                                 if ((f.Attributes & FieldAttributes.Static) == 0)
  96                                                         return f.FieldType;
  97                                         }
  98                                 }
  99                                 throw new InvalidOperationException (String.Format ("typebuilder: {0}", this));
 100                         }
 101                 }
 102
 103                 public override string FullName {
 104                         get {
 105                                 if (nesting_type != null)
 106                                         return String.Concat (nesting_type.FullName, "+", tname);
 107                                 if ((nspace != null) && (nspace.Length > 0))
 108                                         return String.Concat (nspace, ".", tname);
 109                                 return tname;
 110                         }
 111                 }
 112
 113                 public override Guid GUID {
 114                         get {return Guid.Empty;}
 115                 }
 116
 117                 public override Module Module {
 118                         get {return pmodule;}
 119                 }
 120                 public override string Name {
 121                         get {return tname;}
 122                 }
 123                 public override string Namespace {
 124                         get {return nspace;}
 125                 }
 126                 public PackingSize PackingSize {
 127                         get {return packing_size;}
 128                 }
 129                 public override Type ReflectedType {get {return nesting_type;}}
 130                 public override MemberTypes MemberType {
 131                         get {return MemberTypes.TypeInfo;}
 132                 }
 133
 134                 [MonoTODO]
 135                 public void AddDeclarativeSecurity( SecurityAction action, PermissionSet pset) {
 136                         throw new NotImplementedException ();
 137                 }
 138
 139                 public void AddInterfaceImplementation( Type interfaceType) {
 140                         if (interfaces != null) {
 141                                 Type[] ifnew = new Type [interfaces.Length + 1];
 142                                 interfaces.CopyTo (ifnew, 0);
 143                                 ifnew [interfaces.Length] = interfaceType;
 144                                 interfaces = ifnew;
 145                         } else {
 146                                 interfaces = new Type [1];
 147                                 interfaces [0] = interfaceType;
 148                         }
 149                 }
 150
 151                 [MonoTODO]
 152                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers) {
 153                         throw new NotImplementedException ();
 154                 }
 155
 156                 public override bool IsDefined( Type attributeType, bool inherit) {
 157                         return false;
 158                 }
 159                 public override object[] GetCustomAttributes(bool inherit) {
 160                         return null;
 161                 }
 162                 public override object[] GetCustomAttributes(Type attributeType, bool inherit) {
 163                         return null;
 164                 }
 165
 166                 [MonoTODO]
 167                 public TypeBuilder DefineNestedType (string name) {
 168                         // FIXME: LAMESPEC: what other attributes should we use here as default?
 169                         return DefineNestedType (name, TypeAttributes.Public, pmodule.assemblyb.corlib_object_type, null);
 170                 }
 171
 172                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr) {
 173                         return DefineNestedType (name, attr, pmodule.assemblyb.corlib_object_type, null);
 174                 }
 175
 176                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent) {
 177                         return DefineNestedType (name, attr, parent, null);
 178                 }
 179
 180                 private TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packsize, int typesize) {
 181                         TypeBuilder res = new TypeBuilder (pmodule, name, attr, parent, interfaces, packsize, typesize);
 182                         res.nesting_type = this;
 183                         if (subtypes != null) {
 184                                 TypeBuilder[] new_types = new TypeBuilder [subtypes.Length + 1];
 185                                 System.Array.Copy (subtypes, new_types, subtypes.Length);
 186                                 new_types [subtypes.Length] = res;
 187                                 subtypes = new_types;
 188                         } else {
 189                                 subtypes = new TypeBuilder [1];
 190                                 subtypes [0] = res;
 191                         }
 192                         return res;
 193                 }
 194
 195                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces) {
 196                         return DefineNestedType (name, attr, parent, interfaces, PackingSize.Unspecified, UnspecifiedTypeSize);
 197                 }
 198
 199                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, int typesize) {
 200                         return DefineNestedType (name, attr, parent, null, PackingSize.Unspecified, typesize);
 201                 }
 202
 203                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, PackingSize packsize) {
 204                         return DefineNestedType (name, attr, parent, null, packsize, UnspecifiedTypeSize);
 205                 }
 206
 207                 public ConstructorBuilder DefineConstructor( MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes) {
 208                         ConstructorBuilder cb = new ConstructorBuilder (this, attributes, callingConvention, parameterTypes);
 209                         if (ctors != null) {
 210                                 ConstructorBuilder[] new_ctors = new ConstructorBuilder [ctors.Length+1];
 211                                 System.Array.Copy (ctors, new_ctors, ctors.Length);
 212                                 new_ctors [ctors.Length] = cb;
 213                                 ctors = new_ctors;
 214                         } else {
 215                                 ctors = new ConstructorBuilder [1];
 216                                 ctors [0] = cb;
 217                         }
 218                         return cb;
 219                 }
 220
 221                 public ConstructorBuilder DefineDefaultConstructor( MethodAttributes attributes) {
 222                         return DefineConstructor (attributes, CallingConventions.Standard, null);
 223                 }
 224
 225                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes) {
 226                         return DefineMethod (name, attributes, CallingConventions.Standard, returnType, parameterTypes);
 227                 }
 228
 229                 private void append_method (MethodBuilder mb) {
 230                         if (methods != null) {
 231                                 MethodBuilder[] new_methods = new MethodBuilder [methods.Length+1];
 232                                 System.Array.Copy (methods, new_methods, methods.Length);
 233                                 new_methods [methods.Length] = mb;
 234                                 methods = new_methods;
 235                         } else {
 236                                 methods = new MethodBuilder [1];
 237                                 methods [0] = mb;
 238                         }
 239                 }
 240
 241                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
 242                         MethodBuilder res = new MethodBuilder (this, name, attributes, callingConvention, returnType, parameterTypes);
 243                         append_method (res);
 244                         return res;
 245                 }
 246
 247                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 248                         MethodBuilder res = new MethodBuilder (this, name, attributes, callingConvention, returnType, parameterTypes,
 249                                 dllName, entryName, nativeCallConv, nativeCharSet);
 250                         append_method (res);
 251                         return res;
 252                 }
 253
 254                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 255                         return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes,
 256                                 nativeCallConv, nativeCharSet);
 257                 }
 258
 259                 public void DefineMethodOverride( MethodInfo methodInfoBody, MethodInfo methodInfoDeclaration) {
 260                         if (methodInfoBody is MethodBuilder) {
 261                                 MethodBuilder mb = (MethodBuilder)methodInfoBody;
 262                                 mb.set_override (methodInfoDeclaration);
 263                         }
 264                 }
 265
 266                 public FieldBuilder DefineField( string fieldName, Type type, FieldAttributes attributes) {
 267                         FieldBuilder res = new FieldBuilder (this, fieldName, type, attributes);
 268                         if (fields != null) {
 269                                 FieldBuilder[] new_fields = new FieldBuilder [fields.Length+1];
 270                                 System.Array.Copy (fields, new_fields, fields.Length);
 271                                 new_fields [fields.Length] = res;
 272                                 fields = new_fields;
 273                         } else {
 274                                 fields = new FieldBuilder [1];
 275                                 fields [0] = res;
 276                                 create_internal_class (this);
 277                         }
 278                         return res;
 279                 }
 280
 281                 public PropertyBuilder DefineProperty( string name, PropertyAttributes attributes, Type returnType, Type[] parameterTypes) {
 282                         PropertyBuilder res = new PropertyBuilder (this, name, attributes, returnType, parameterTypes);
 283
 284                         if (properties != null) {
 285                                 PropertyBuilder[] new_properties = new PropertyBuilder [properties.Length+1];
 286                                 System.Array.Copy (properties, new_properties, properties.Length);
 287                                 new_properties [properties.Length] = res;
 288                                 properties = new_properties;
 289                         } else {
 290                                 properties = new PropertyBuilder [1];
 291                                 properties [0] = res;
 292                         }
 293                         return res;
 294                 }
 295
 296                 [MonoTODO]
 297                 public ConstructorBuilder DefineTypeInitializer() {
 298                         throw new NotImplementedException ();
 299                 }
 300
 301                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 302                 private extern Type create_runtime_class (TypeBuilder tb);
 303
 304                 public Type CreateType() {
 305                         /* handle nesting_type */
 306                         if (created != null) {
 307                                 string err="type already created: " + created.ToString();
 308                                 throw new InvalidOperationException (err);
 309                         }
 310                         if (methods != null) {
 311                                 foreach (MethodBuilder method in methods) {
 312                                         method.fixup ();
 313                                 }
 314                         }
 315                         if (ctors != null) {
 316                                 foreach (ConstructorBuilder ctor in ctors) {
 317                                         ctor.fixup ();
 318                                 }
 319                         }
 320                         created = create_runtime_class (this);
 321                         if (created != null)
 322                                 return created;
 323                         return this;
 324                 }
 325
 326                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr) {
 327                         if (ctors == null)
 328                                 return new ConstructorInfo [0];
 329                         ArrayList l = new ArrayList ();
 330                         bool match;
 331                         MethodAttributes mattrs;
 332
 333                         foreach (ConstructorBuilder c in ctors) {
 334                                 match = false;
 335                                 mattrs = c.Attributes;
 336                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 337                                         if ((bindingAttr & BindingFlags.Public) != 0)
 338                                                 match = true;
 339                                 } else {
 340                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 341                                                 match = true;
 342                                 }
 343                                 if (!match)
 344                                         continue;
 345                                 match = false;
 346                                 if ((mattrs & MethodAttributes.Static) != 0) {
 347                                         if ((bindingAttr & BindingFlags.Static) != 0)
 348                                                 match = true;
 349                                 } else {
 350                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 351                                                 match = true;
 352                                 }
 353                                 if (!match)
 354                                         continue;
 355                                 l.Add (c);
 356                         }
 357                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 358                         l.CopyTo (result);
 359                         return result;
 360                 }
 361
 362                 public override Type GetElementType () { return null; }
 363
 364                 [MonoTODO]
 365                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr) {
 366                         throw new NotImplementedException ();
 367                 }
 368
 369                 public override EventInfo[] GetEvents (BindingFlags bindingAttr) {
 370                         return new EventInfo [0];
 371                 }
 372
 373                 [MonoTODO]
 374                 public override FieldInfo GetField( string name, BindingFlags bindingAttr) {
 375                         //FIXME
 376                         throw new NotImplementedException ();
 377                 }
 378
 379                 public override FieldInfo[] GetFields (BindingFlags bindingAttr) {
 380                         if (fields == null)
 381                                 return new FieldInfo [0];
 382                         ArrayList l = new ArrayList ();
 383                         bool match;
 384                         FieldAttributes mattrs;
 385
 386                         foreach (FieldInfo c in fields) {
 387                                 match = false;
 388                                 mattrs = c.Attributes;
 389                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 390                                         if ((bindingAttr & BindingFlags.Public) != 0)
 391                                                 match = true;
 392                                 } else {
 393                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 394                                                 match = true;
 395                                 }
 396                                 if (!match)
 397                                         continue;
 398                                 match = false;
 399                                 if ((mattrs & FieldAttributes.Static) != 0) {
 400                                         if ((bindingAttr & BindingFlags.Static) != 0)
 401                                                 match = true;
 402                                 } else {
 403                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 404                                                 match = true;
 405                                 }
 406                                 if (!match)
 407                                         continue;
 408                                 l.Add (c);
 409                         }
 410                         FieldInfo[] result = new FieldInfo [l.Count];
 411                         l.CopyTo (result);
 412                         return result;
 413                 }
 414
 415                 [MonoTODO]
 416                 public override Type GetInterface (string name, bool ignoreCase) {
 417                         throw new NotImplementedException ();
 418                 }
 419
 420                 public override Type[] GetInterfaces () {
 421                         if (interfaces != null) {
 422                                 Type[] ret = new Type [interfaces.Length];
 423                                 interfaces.CopyTo (ret, 0);
 424                                 return ret;
 425                         } else {
 426                                 return Type.EmptyTypes;
 427                         }
 428                 }
 429
 430                 [MonoTODO]
 431                 public override MemberInfo[] GetMembers( BindingFlags bindingAttr) {
 432                         // FIXME
 433                         throw new NotImplementedException ();
 434                 }
 435
 436                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr) {
 437                         if (methods == null)
 438                                 return new MethodInfo [0];
 439                         ArrayList l = new ArrayList ();
 440                         bool match;
 441                         MethodAttributes mattrs;
 442
 443                         foreach (MethodInfo c in methods) {
 444                                 match = false;
 445                                 mattrs = c.Attributes;
 446                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 447                                         if ((bindingAttr & BindingFlags.Public) != 0)
 448                                                 match = true;
 449                                 } else {
 450                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 451                                                 match = true;
 452                                 }
 453                                 if (!match)
 454                                         continue;
 455                                 match = false;
 456                                 if ((mattrs & MethodAttributes.Static) != 0) {
 457                                         if ((bindingAttr & BindingFlags.Static) != 0)
 458                                                 match = true;
 459                                 } else {
 460                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 461                                                 match = true;
 462                                 }
 463                                 if (!match)
 464                                         continue;
 465                                 l.Add (c);
 466                         }
 467                         MethodInfo[] result = new MethodInfo [l.Count];
 468                         l.CopyTo (result);
 469                         return result;
 470                 }
 471
 472                 [MonoTODO]
 473                 protected override MethodInfo GetMethodImpl( string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers) {
 474                         // FIXME
 475                         throw new NotImplementedException ();
 476                 }
 477
 478                 [MonoTODO]
 479                 public override Type GetNestedType( string name, BindingFlags bindingAttr) {
 480                         // FIXME
 481                         throw new NotImplementedException ();
 482                 }
 483
 484                 public override Type[] GetNestedTypes (BindingFlags bindingAttr) {
 485                         bool match;
 486                         ArrayList result = new ArrayList ();
 487
 488                         if (subtypes == null)
 489                                 return Type.EmptyTypes;
 490                         foreach (TypeBuilder t in subtypes) {
 491                                 match = false;
 492                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
 493                                         if ((bindingAttr & BindingFlags.Public) != 0)
 494                                                 match = true;
 495                                 } else {
 496                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 497                                                 match = true;
 498                                 }
 499                                 if (!match)
 500                                         continue;
 501                                 result.Add (t);
 502                         }
 503                         Type[] r = new Type [result.Count];
 504                         result.CopyTo (r);
 505                         return r;
 506                 }
 507
 508                 public override PropertyInfo[] GetProperties( BindingFlags bindingAttr) {
 509                         if (properties == null)
 510                                 return new PropertyInfo [0];
 511                         ArrayList l = new ArrayList ();
 512                         bool match;
 513                         MethodAttributes mattrs;
 514                         MethodInfo accessor;
 515
 516                         foreach (PropertyInfo c in properties) {
 517                                 match = false;
 518                                 accessor = c.GetGetMethod (true);
 519                                 if (accessor == null)
 520                                         accessor = c.GetSetMethod (true);
 521                                 if (accessor == null)
 522                                         continue;
 523                                 mattrs = accessor.Attributes;
 524                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 525                                         if ((bindingAttr & BindingFlags.Public) != 0)
 526                                                 match = true;
 527                                 } else {
 528                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 529                                                 match = true;
 530                                 }
 531                                 if (!match)
 532                                         continue;
 533                                 match = false;
 534                                 if ((mattrs & MethodAttributes.Static) != 0) {
 535                                         if ((bindingAttr & BindingFlags.Static) != 0)
 536                                                 match = true;
 537                                 } else {
 538                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 539                                                 match = true;
 540                                 }
 541                                 if (!match)
 542                                         continue;
 543                                 l.Add (c);
 544                         }
 545                         PropertyInfo[] result = new PropertyInfo [l.Count];
 546                         l.CopyTo (result);
 547                         return result;
 548                 }
 549
 550                 [MonoTODO]
 551                 protected override PropertyInfo GetPropertyImpl( string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers) {
 552                         // FIXME
 553                         throw new NotImplementedException ();
 554                 }
 555
 556                 protected override bool HasElementTypeImpl () {
 557                         return IsArrayImpl() || IsByRefImpl() || IsPointerImpl ();
 558                 }
 559
 560                 [MonoTODO]
 561                 public override object InvokeMember( string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters) {
 562                         // FIXME
 563                         throw new NotImplementedException ();
 564                 }
 565
 566                 protected override bool IsArrayImpl () {
 567                         return type_is_subtype_of (this, typeof (System.Array), false);
 568                 }
 569                 protected override bool IsByRefImpl () {
 570                         // FIXME
 571                         return false;
 572                 }
 573                 protected override bool IsCOMObjectImpl () {
 574                         return false;
 575                 }
 576                 protected override bool IsPointerImpl () {
 577                         // FIXME
 578                         return false;
 579                 }
 580                 protected override bool IsPrimitiveImpl () {
 581                         // FIXME
 582                         return false;
 583                 }
 584                 protected override bool IsValueTypeImpl () {
 585                         return ((type_is_subtype_of (this, pmodule.assemblyb.corlib_value_type, false) || type_is_subtype_of (this, typeof(System.ValueType), false)) &&
 586                                 this != pmodule.assemblyb.corlib_value_type &&
 587                                 this != pmodule.assemblyb.corlib_enum_type);
 588                 }
 589
 590                 public override RuntimeTypeHandle TypeHandle { get { return _impl; } }
 591
 592                 public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
 593                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
 594                         if (attrname == "System.Runtime.InteropServices.StructLayoutAttribute") {
 595                                 byte[] data = customBuilder.Data;
 596                                 int layout_kind; /* the (stupid) ctor takes a short or an int ... */
 597                                 layout_kind = (int)data [2];
 598                                 layout_kind |= ((int)data [3]) << 8;
 599                                 attrs &= ~TypeAttributes.LayoutMask;
 600                                 switch ((LayoutKind)layout_kind) {
 601                                 case LayoutKind.Auto:
 602                                         attrs |= TypeAttributes.AutoLayout;
 603                                         break;
 604                                 case LayoutKind.Explicit:
 605                                         attrs |= TypeAttributes.ExplicitLayout;
 606                                         break;
 607                                 case LayoutKind.Sequential:
 608                                         attrs |= TypeAttributes.SequentialLayout;
 609                                         break;
 610                                 default:
 611                                         // we should ignore it since it can be any value anyway...
 612                                         throw new Exception ("Error in customattr");
 613                                 }
 614                                 string first_type_name = customBuilder.Ctor.GetParameters()[0].ParameterType.FullName;
 615                                 int pos = 6;
 616                                 if (first_type_name == "System.Int16")
 617                                         pos = 4;
 618                                 int nnamed = (int)data [pos++];
 619                                 nnamed |= ((int)data [pos++]) << 8;
 620                                 for (int i = 0; i < nnamed; ++i) {
 621                                         byte named_type = data [pos++];
 622                                         byte type = data [pos++];
 623                                         int len = CustomAttributeBuilder.decode_len (data, pos, out pos);
 624                                         string named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
 625                                         pos += len;
 626                                         /* all the fields are integers in StructLayout */
 627                                         int value = (int)data [pos++];
 628                                         value |= ((int)data [pos++]) << 8;
 629                                         value |= ((int)data [pos++]) << 16;
 630                                         value |= ((int)data [pos++]) << 24;
 631                                         switch (named_name) {
 632                                         case "CharSet":
 633                                                 switch ((CharSet)value) {
 634                                                 case CharSet.None:
 635                                                 case CharSet.Ansi:
 636                                                         break;
 637                                                 case CharSet.Unicode:
 638                                                         attrs |= TypeAttributes.UnicodeClass;
 639                                                         break;
 640                                                 case CharSet.Auto:
 641                                                         attrs |= TypeAttributes.AutoClass;
 642                                                         break;
 643                                                 default:
 644                                                         break; // error out...
 645                                                 }
 646                                                 break;
 647                                         case "Pack":
 648                                                 packing_size = (PackingSize)value;
 649                                                 break;
 650                                         case "Size":
 651                                                 class_size = value;
 652                                                 break;
 653                                         default:
 654                                                 break; // error out...
 655                                         }
 656                                 }
 657                                 return;
 658                         } else if (attrname == "System.SerializableAttribute") {
 659                                 attrs |= TypeAttributes.Serializable;
 660                                 return;
 661                         }
 662                         if (cattrs != null) {
 663                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
 664                                 cattrs.CopyTo (new_array, 0);
 665                                 new_array [cattrs.Length] = customBuilder;
 666                                 cattrs = new_array;
 667                         } else {
 668                                 cattrs = new CustomAttributeBuilder [1];
 669                                 cattrs [0] = customBuilder;
 670                         }
 671                 }
 672                 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
 673                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
 674                 }
 675
 676                 public EventBuilder DefineEvent( string name, EventAttributes attributes, Type eventtype) {
 677                         EventBuilder res = new EventBuilder (this, name, attributes, eventtype);
 678                         if (events != null) {
 679                                 EventBuilder[] new_events = new EventBuilder [events.Length+1];
 680                                 System.Array.Copy (events, new_events, events.Length);
 681                                 new_events [events.Length] = res;
 682                                 events = new_events;
 683                         } else {
 684                                 events = new EventBuilder [1];
 685                                 events [0] = res;
 686                         }
 687                         return res;
 688                 }
 689
 690                 static int InitializedDataCount = 0;
 691
 692                 public FieldBuilder DefineInitializedData( string name, byte[] data, FieldAttributes attributes) {
 693                         TypeBuilder datablobtype = pmodule.DefineType ("$ArrayType$"+InitializedDataCount.ToString(),
 694                                 TypeAttributes.Public|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
 695                                 pmodule.assemblyb.corlib_value_type, PackingSize.Size1, data.Length);
 696                         datablobtype.packing_size = PackingSize.Size1;
 697                         datablobtype.class_size = data.Length;
 698                         datablobtype.CreateType ();
 699                         FieldBuilder res = DefineField (name, datablobtype, attributes|FieldAttributes.Assembly|FieldAttributes.Static|FieldAttributes.HasFieldRVA);
 700                         res.SetRVAData (data);
 701                         InitializedDataCount++;
 702                         return res;
 703                 }
 704
 705                 [MonoTODO]
 706                 public FieldBuilder DefineUninitializedData( string name, int size, FieldAttributes attributes) {
 707                         throw new NotImplementedException ();
 708                 }
 709
 710                 public TypeToken TypeToken {
 711                         get {
 712                                 return new TypeToken (0x02000000 | table_idx);
 713                         }
 714                 }
 715                 public void SetParent (Type parentType) {
 716                         parent = parentType;
 717                 }
 718                 internal int get_next_table_index (object obj, int table, bool inc) {
 719                         return pmodule.get_next_table_index (obj, table, inc);
 720                 }
 721
 722                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
 723                 {
 724                         if (created == null)
 725                                 throw new NotSupportedException ("This method is not implemented for incomplete types.");
 726
 727                         return created.GetInterfaceMap (interfaceType);
 728                 }
 729         }
 730 }