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         string fullname;
  41
  42         public const int UnspecifiedTypeSize = 0;
  43
  44                 protected override TypeAttributes GetAttributeFlagsImpl () {
  45                         return attrs;
  46                 }
  47
  48                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  49                 private extern void setup_internal_class (TypeBuilder tb);
  50
  51                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  52                 private extern void create_internal_class (TypeBuilder tb);
  53
  54                 internal TypeBuilder (ModuleBuilder mb, TypeAttributes attr) {
  55                         this.parent = null;
  56                         this.attrs = attr;
  57                         this.class_size = -1;
  58                         fullname = this.tname = "<Module>";
  59                         this.nspace = "";
  60                         pmodule = mb;
  61                         setup_internal_class (this);
  62                 }
  63
  64                 internal TypeBuilder (ModuleBuilder mb, string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packing_size, int type_size, Type nesting_type) {
  65                         int sep_index;
  66                         this.parent = parent;
  67                         this.attrs = attr;
  68                         this.class_size = type_size;
  69                         this.packing_size = packing_size;
  70                         this.nesting_type = nesting_type;
  71                         sep_index = name.LastIndexOf('.');
  72                         if (sep_index != -1) {
  73                                 this.tname = name.Substring (sep_index + 1);
  74                                 this.nspace = name.Substring (0, sep_index);
  75                         } else {
  76                                 this.tname = name;
  77                                 this.nspace = "";
  78                         }
  79                         if (interfaces != null) {
  80                                 this.interfaces = new Type[interfaces.Length];
  81                                 System.Array.Copy (interfaces, this.interfaces, interfaces.Length);
  82                         }
  83                         pmodule = mb;
  84                         // skip .<Module> ?
  85                         table_idx = mb.get_next_table_index (this, 0x02, true);
  86                         setup_internal_class (this);
  87                         fullname = GetFullName ();
  88                 }
  89
  90                 public override Assembly Assembly {
  91                         get {return pmodule.Assembly;}
  92                 }
  93
  94                 public override string AssemblyQualifiedName {
  95                         get {
  96                                 return fullname + ", " + Assembly.GetName().FullName;
  97                         }
  98                 }
  99                 public override Type BaseType {
 100                         get {
 101                                 return parent;
 102                         }
 103                 }
 104                 public override Type DeclaringType {get {return nesting_type;}}
 105
 106                 [MonoTODO]
 107                 public override Type UnderlyingSystemType {
 108                         get {
 109                                 // This should return the type itself for non-enum types but
 110                                 // that breaks mcs.
 111                                 if (fields != null) {
 112                                         foreach (FieldBuilder f in fields) {
 113                                                 if ((f.Attributes & FieldAttributes.Static) == 0)
 114                                                         return f.FieldType;
 115                                         }
 116                                 }
 117                                 throw new InvalidOperationException ("Underlying type information on enumeration is not specified.");
 118                         }
 119                 }
 120
 121                 string GetFullName () {
 122                         if (nesting_type != null)
 123                                 return String.Concat (nesting_type.FullName, "+", tname);
 124                         if ((nspace != null) && (nspace.Length > 0))
 125                                 return String.Concat (nspace, ".", tname);
 126                         return tname;
 127                 }
 128
 129                 public override string FullName {
 130                         get {
 131                                 return fullname;
 132                         }
 133                 }
 134
 135                 public override Guid GUID {
 136                         get {
 137                             throw not_supported ();
 138                         }
 139                 }
 140
 141                 public override Module Module {
 142                         get {return pmodule;}
 143                 }
 144                 public override string Name {
 145                         get {return tname;}
 146                 }
 147                 public override string Namespace {
 148                         get {return nspace;}
 149                 }
 150                 public PackingSize PackingSize {
 151                         get {return packing_size;}
 152                 }
 153                 public int Size {
 154                         get { return class_size; }
 155                 }
 156                 public override Type ReflectedType {get {return nesting_type;}}
 157                 public override MemberTypes MemberType {
 158                         get {return MemberTypes.TypeInfo;}
 159                 }
 160
 161                 [MonoTODO]
 162                 public void AddDeclarativeSecurity( SecurityAction action, PermissionSet pset) {
 163                         throw new NotImplementedException ();
 164                 }
 165
 166                 public void AddInterfaceImplementation( Type interfaceType) {
 167                         if (interfaceType == null)
 168                                 throw new ArgumentNullException ("interfaceType");
 169                         if (is_created)
 170                                 throw not_after_created ();
 171
 172                         if (interfaces != null) {
 173                                 // Check for duplicates
 174                                 foreach (Type t in interfaces)
 175                                         if (t == interfaceType)
 176                                                 return;
 177
 178                                 Type[] ifnew = new Type [interfaces.Length + 1];
 179                                 interfaces.CopyTo (ifnew, 0);
 180                                 ifnew [interfaces.Length] = interfaceType;
 181                                 interfaces = ifnew;
 182                         } else {
 183                                 interfaces = new Type [1];
 184                                 interfaces [0] = interfaceType;
 185                         }
 186                 }
 187
 188                 [MonoTODO]
 189                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder,
 190                                                                        CallingConventions callConvention, Type[] types,
 191                                                                        ParameterModifier[] modifiers)
 192                 {
 193                         if (ctors == null)
 194                                 return null;
 195
 196                         ConstructorBuilder found = null;
 197                         int count = 0;
 198
 199                         foreach (ConstructorBuilder cb in ctors){
 200                                 if (callConvention != CallingConventions.Any && cb.CallingConvention != callConvention)
 201                                         continue;
 202                                 found = cb;
 203                                 count++;
 204                         }
 205
 206                         if (count == 0)
 207                                 return null;
 208                         if (types == null){
 209                                 if (count > 1)
 210                                         throw new AmbiguousMatchException ();
 211                                 return found;
 212                         }
 213                         MethodBase[] match = new MethodBase [count];
 214                         if (count == 1)
 215                                 match [0] = found;
 216                         else {
 217                                 count = 0;
 218                                 foreach (ConstructorInfo m in ctors) {
 219                                         if (callConvention != CallingConventions.Any && m.CallingConvention != callConvention)
 220                                                 continue;
 221                                         match [count++] = m;
 222                                 }
 223                         }
 224                         if (binder == null)
 225                                 binder = Binder.DefaultBinder;
 226                         return (ConstructorInfo)binder.SelectMethod (bindingAttr, match, types, modifiers);
 227                 }
 228
 229                 public override bool IsDefined( Type attributeType, bool inherit)
 230                 {
 231                         throw not_supported ();
 232                 }
 233
 234                 public override object[] GetCustomAttributes(bool inherit)
 235                 {
 236                         throw not_supported ();
 237                 }
 238
 239                 public override object[] GetCustomAttributes(Type attributeType, bool inherit)
 240                 {
 241                         throw not_supported ();
 242                 }
 243
 244                 public TypeBuilder DefineNestedType (string name) {
 245                         return DefineNestedType (name, TypeAttributes.NestedPrivate, pmodule.assemblyb.corlib_object_type, null);
 246                 }
 247
 248                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr) {
 249                         return DefineNestedType (name, attr, pmodule.assemblyb.corlib_object_type, null);
 250                 }
 251
 252                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent) {
 253                         return DefineNestedType (name, attr, parent, null);
 254                 }
 255
 256                 private TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces,
 257                                                       PackingSize packsize, int typesize)
 258                 {
 259                         check_name ("name", name);
 260                         // Visibility must be NestedXXX
 261                         /* This breaks mcs
 262                         if (((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.Public) ||
 263                                 ((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NotPublic))
 264                                 throw new ArgumentException ("attr", "Bad type flags for nested type.");
 265                         */
 266                         if (interfaces != null)
 267                                 foreach (Type iface in interfaces)
 268                                         if (iface == null)
 269                                                 throw new ArgumentNullException ("interfaces");
 270
 271                         TypeBuilder res = new TypeBuilder (pmodule, name, attr, parent, interfaces, packsize, typesize, this);
 272                         res.fullname = res.GetFullName ();
 273                         pmodule.RegisterTypeName (res, res.fullname);
 274                         if (subtypes != null) {
 275                                 TypeBuilder[] new_types = new TypeBuilder [subtypes.Length + 1];
 276                                 System.Array.Copy (subtypes, new_types, subtypes.Length);
 277                                 new_types [subtypes.Length] = res;
 278                                 subtypes = new_types;
 279                         } else {
 280                                 subtypes = new TypeBuilder [1];
 281                                 subtypes [0] = res;
 282                         }
 283                         return res;
 284                 }
 285
 286                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces) {
 287                         return DefineNestedType (name, attr, parent, interfaces, PackingSize.Unspecified, UnspecifiedTypeSize);
 288                 }
 289
 290                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, int typesize) {
 291                         return DefineNestedType (name, attr, parent, null, PackingSize.Unspecified, typesize);
 292                 }
 293
 294                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, PackingSize packsize) {
 295                         return DefineNestedType (name, attr, parent, null, packsize, UnspecifiedTypeSize);
 296                 }
 297
 298                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes)
 299                 {
 300                         if (is_created)
 301                                 throw not_after_created ();
 302                         ConstructorBuilder cb = new ConstructorBuilder (this, attributes, callingConvention, parameterTypes);
 303                         if (ctors != null) {
 304                                 ConstructorBuilder[] new_ctors = new ConstructorBuilder [ctors.Length+1];
 305                                 System.Array.Copy (ctors, new_ctors, ctors.Length);
 306                                 new_ctors [ctors.Length] = cb;
 307                                 ctors = new_ctors;
 308                         } else {
 309                                 ctors = new ConstructorBuilder [1];
 310                                 ctors [0] = cb;
 311                         }
 312                         return cb;
 313                 }
 314
 315                 public ConstructorBuilder DefineDefaultConstructor (MethodAttributes attributes)
 316                 {
 317                         ConstructorBuilder cb = DefineConstructor (attributes, CallingConventions.Standard, null);
 318
 319                         ConstructorInfo parent_constructor = parent.GetConstructor (
 320                                 BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
 321                                 null, Type.EmptyTypes, null);
 322
 323                         ILGenerator ig = cb.GetILGenerator ();
 324                         if (parent_constructor != null){
 325                                 ig.Emit (OpCodes.Ldarg_0);
 326                                 ig.Emit (OpCodes.Call, parent_constructor);
 327                         }
 328                         ig.Emit (OpCodes.Ret);
 329                         return cb;
 330                 }
 331
 332                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes) {
 333                         return DefineMethod (name, attributes, CallingConventions.Standard, returnType, parameterTypes);
 334                 }
 335
 336                 private void append_method (MethodBuilder mb) {
 337                         if (methods != null) {
 338                                 MethodBuilder[] new_methods = new MethodBuilder [methods.Length+1];
 339                                 System.Array.Copy (methods, new_methods, methods.Length);
 340                                 new_methods [methods.Length] = mb;
 341                                 methods = new_methods;
 342                         } else {
 343                                 methods = new MethodBuilder [1];
 344                                 methods [0] = mb;
 345                         }
 346                 }
 347
 348                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
 349                         check_name ("name", name);
 350                         if (is_created)
 351                                 throw not_after_created ();
 352                         if (IsInterface && (
 353                                 !((attributes & MethodAttributes.Abstract) != 0) ||
 354                                 !((attributes & MethodAttributes.Virtual) != 0)))
 355                                 throw new ArgumentException ("attributes", "Interface method must be abstract and virtual.");
 356
 357                         MethodBuilder res = new MethodBuilder (this, name, attributes, callingConvention, returnType, parameterTypes);
 358                         append_method (res);
 359                         return res;
 360                 }
 361
 362                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 363                         check_name ("name", name);
 364                         check_name ("dllName", dllName);
 365                         check_name ("entryName", entryName);
 366                         if ((attributes & MethodAttributes.Abstract) != 0)
 367                                 throw new ArgumentException ("attributes", "PInvoke methods must be static and native and cannot be abstract.");
 368                         if (IsInterface)
 369                                 throw new ArgumentException ("PInvoke methods cannot exist on interfaces.");
 370                         if (is_created)
 371                                 throw not_after_created ();
 372
 373                         MethodBuilder res = new MethodBuilder (this, name, attributes, callingConvention, returnType, parameterTypes,
 374                                 dllName, entryName, nativeCallConv, nativeCharSet);
 375                         append_method (res);
 376                         return res;
 377                 }
 378
 379                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 380                         return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes,
 381                                 nativeCallConv, nativeCharSet);
 382                 }
 383
 384                 public void DefineMethodOverride( MethodInfo methodInfoBody, MethodInfo methodInfoDeclaration) {
 385                         if (methodInfoBody == null)
 386                                 throw new ArgumentNullException ("methodInfoBody");
 387                         if (methodInfoDeclaration == null)
 388                                 throw new ArgumentNullException ("methodInfoDeclaration");
 389                         if (is_created)
 390                                 throw not_after_created ();
 391
 392                         if (methodInfoBody is MethodBuilder) {
 393                                 MethodBuilder mb = (MethodBuilder)methodInfoBody;
 394                                 mb.set_override (methodInfoDeclaration);
 395                         }
 396                 }
 397
 398                 public FieldBuilder DefineField( string fieldName, Type type, FieldAttributes attributes) {
 399                         check_name ("fieldName", fieldName);
 400                         if (type == typeof (void))
 401                                 throw new ArgumentException ("type",  "Bad field type in defining field.");
 402                         if (is_created)
 403                                 throw not_after_created ();
 404
 405                         FieldBuilder res = new FieldBuilder (this, fieldName, type, attributes);
 406                         if (fields != null) {
 407                                 FieldBuilder[] new_fields = new FieldBuilder [fields.Length+1];
 408                                 System.Array.Copy (fields, new_fields, fields.Length);
 409                                 new_fields [fields.Length] = res;
 410                                 fields = new_fields;
 411                         } else {
 412                                 fields = new FieldBuilder [1];
 413                                 fields [0] = res;
 414                                 create_internal_class (this);
 415                         }
 416                         return res;
 417                 }
 418
 419                 public PropertyBuilder DefineProperty( string name, PropertyAttributes attributes, Type returnType, Type[] parameterTypes) {
 420                         check_name ("name", name);
 421                         if (parameterTypes != null)
 422                                 foreach (Type param in parameterTypes)
 423                                         if (param == null)
 424                                                 throw new ArgumentNullException ("parameterTypes");
 425                         if (is_created)
 426                                 throw not_after_created ();
 427
 428                         PropertyBuilder res = new PropertyBuilder (this, name, attributes, returnType, parameterTypes);
 429
 430                         if (properties != null) {
 431                                 PropertyBuilder[] new_properties = new PropertyBuilder [properties.Length+1];
 432                                 System.Array.Copy (properties, new_properties, properties.Length);
 433                                 new_properties [properties.Length] = res;
 434                                 properties = new_properties;
 435                         } else {
 436                                 properties = new PropertyBuilder [1];
 437                                 properties [0] = res;
 438                         }
 439                         return res;
 440                 }
 441
 442                 [MonoTODO]
 443                 public ConstructorBuilder DefineTypeInitializer() {
 444                         if (is_created)
 445                                 throw not_after_created ();
 446
 447                         throw new NotImplementedException ();
 448                 }
 449
 450                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 451                 private extern Type create_runtime_class (TypeBuilder tb);
 452
 453                 public Type CreateType() {
 454                         /* handle nesting_type */
 455                         if (is_created)
 456                                 throw not_after_created ();
 457                         if (methods != null) {
 458                                 foreach (MethodBuilder method in methods) {
 459                                         method.fixup ();
 460                                 }
 461                         }
 462
 463                         //
 464                         // On classes, define a default constructor if not provided
 465                         //
 466                         if (!(IsInterface || IsValueType) && (ctors == null) && (tname != "<Module>"))
 467                                 DefineDefaultConstructor (MethodAttributes.Public);
 468
 469                         if (ctors != null){
 470                                 foreach (ConstructorBuilder ctor in ctors)
 471                                         ctor.fixup ();
 472                         }
 473
 474                         created = create_runtime_class (this);
 475                         if (created != null)
 476                                 return created;
 477                         return this;
 478                 }
 479
 480                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 481                 {
 482                         if (ctors == null)
 483                                 return new ConstructorInfo [0];
 484                         ArrayList l = new ArrayList ();
 485                         bool match;
 486                         MethodAttributes mattrs;
 487
 488                         foreach (ConstructorBuilder c in ctors) {
 489                                 match = false;
 490                                 mattrs = c.Attributes;
 491                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 492                                         if ((bindingAttr & BindingFlags.Public) != 0)
 493                                                 match = true;
 494                                 } else {
 495                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 496                                                 match = true;
 497                                 }
 498                                 if (!match)
 499                                         continue;
 500                                 match = false;
 501                                 if ((mattrs & MethodAttributes.Static) != 0) {
 502                                         if ((bindingAttr & BindingFlags.Static) != 0)
 503                                                 match = true;
 504                                 } else {
 505                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 506                                                 match = true;
 507                                 }
 508                                 if (!match)
 509                                         continue;
 510                                 l.Add (c);
 511                         }
 512                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 513                         l.CopyTo (result);
 514                         return result;
 515                 }
 516
 517                 public override Type GetElementType () {
 518                         throw not_supported ();
 519                 }
 520
 521                 [MonoTODO]
 522                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr) {
 523                         if (name == null)
 524                                 throw new ArgumentNullException ("name");
 525
 526                         throw new NotImplementedException ();
 527                 }
 528
 529                 public override EventInfo[] GetEvents (BindingFlags bindingAttr) {
 530                         return new EventInfo [0];
 531                 }
 532
 533                 [MonoTODO]
 534                 public override FieldInfo GetField( string name, BindingFlags bindingAttr) {
 535                         if (name == null)
 536                                 throw new ArgumentNullException ("name");
 537
 538                         throw new NotImplementedException ();
 539                 }
 540
 541                 public override FieldInfo[] GetFields (BindingFlags bindingAttr) {
 542                         if (fields == null)
 543                                 return new FieldInfo [0];
 544                         ArrayList l = new ArrayList ();
 545                         bool match;
 546                         FieldAttributes mattrs;
 547
 548                         foreach (FieldInfo c in fields) {
 549                                 match = false;
 550                                 mattrs = c.Attributes;
 551                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 552                                         if ((bindingAttr & BindingFlags.Public) != 0)
 553                                                 match = true;
 554                                 } else {
 555                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 556                                                 match = true;
 557                                 }
 558                                 if (!match)
 559                                         continue;
 560                                 match = false;
 561                                 if ((mattrs & FieldAttributes.Static) != 0) {
 562                                         if ((bindingAttr & BindingFlags.Static) != 0)
 563                                                 match = true;
 564                                 } else {
 565                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 566                                                 match = true;
 567                                 }
 568                                 if (!match)
 569                                         continue;
 570                                 l.Add (c);
 571                         }
 572                         FieldInfo[] result = new FieldInfo [l.Count];
 573                         l.CopyTo (result);
 574                         return result;
 575                 }
 576
 577                 [MonoTODO]
 578                 public override Type GetInterface (string name, bool ignoreCase) {
 579                         if (name == null)
 580                                 throw new ArgumentNullException ("name");
 581
 582                         throw new NotImplementedException ();
 583                 }
 584
 585                 public override Type[] GetInterfaces () {
 586                         if (interfaces != null) {
 587                                 Type[] ret = new Type [interfaces.Length];
 588                                 interfaces.CopyTo (ret, 0);
 589                                 return ret;
 590                         } else {
 591                                 return Type.EmptyTypes;
 592                         }
 593                 }
 594
 595                 [MonoTODO]
 596                 public override MemberInfo[] GetMembers( BindingFlags bindingAttr) {
 597                         // FIXME
 598                         throw new NotImplementedException ();
 599                 }
 600
 601                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr) {
 602                         if (methods == null)
 603                                 return new MethodInfo [0];
 604                         ArrayList l = new ArrayList ();
 605                         bool match;
 606                         MethodAttributes mattrs;
 607
 608                         foreach (MethodInfo c in methods) {
 609                                 match = false;
 610                                 mattrs = c.Attributes;
 611                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 612                                         if ((bindingAttr & BindingFlags.Public) != 0)
 613                                                 match = true;
 614                                 } else {
 615                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 616                                                 match = true;
 617                                 }
 618                                 if (!match)
 619                                         continue;
 620                                 match = false;
 621                                 if ((mattrs & MethodAttributes.Static) != 0) {
 622                                         if ((bindingAttr & BindingFlags.Static) != 0)
 623                                                 match = true;
 624                                 } else {
 625                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 626                                                 match = true;
 627                                 }
 628                                 if (!match)
 629                                         continue;
 630                                 l.Add (c);
 631                         }
 632                         MethodInfo[] result = new MethodInfo [l.Count];
 633                         l.CopyTo (result);
 634                         return result;
 635                 }
 636
 637                 [MonoTODO]
 638                 protected override MethodInfo GetMethodImpl( string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers) {
 639                         // FIXME
 640                         throw new NotImplementedException ();
 641                 }
 642
 643                 [MonoTODO]
 644                 public override Type GetNestedType( string name, BindingFlags bindingAttr) {
 645                         if (name == null)
 646                                 throw new ArgumentNullException ("name");
 647
 648                         throw new NotImplementedException ();
 649                 }
 650
 651                 public override Type[] GetNestedTypes (BindingFlags bindingAttr) {
 652                         bool match;
 653                         ArrayList result = new ArrayList ();
 654
 655                         if (subtypes == null)
 656                                 return Type.EmptyTypes;
 657                         foreach (TypeBuilder t in subtypes) {
 658                                 match = false;
 659                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
 660                                         if ((bindingAttr & BindingFlags.Public) != 0)
 661                                                 match = true;
 662                                 } else {
 663                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 664                                                 match = true;
 665                                 }
 666                                 if (!match)
 667                                         continue;
 668                                 result.Add (t);
 669                         }
 670                         Type[] r = new Type [result.Count];
 671                         result.CopyTo (r);
 672                         return r;
 673                 }
 674
 675                 public override PropertyInfo[] GetProperties( BindingFlags bindingAttr) {
 676                         if (properties == null)
 677                                 return new PropertyInfo [0];
 678                         ArrayList l = new ArrayList ();
 679                         bool match;
 680                         MethodAttributes mattrs;
 681                         MethodInfo accessor;
 682
 683                         foreach (PropertyInfo c in properties) {
 684                                 match = false;
 685                                 accessor = c.GetGetMethod (true);
 686                                 if (accessor == null)
 687                                         accessor = c.GetSetMethod (true);
 688                                 if (accessor == null)
 689                                         continue;
 690                                 mattrs = accessor.Attributes;
 691                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 692                                         if ((bindingAttr & BindingFlags.Public) != 0)
 693                                                 match = true;
 694                                 } else {
 695                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 696                                                 match = true;
 697                                 }
 698                                 if (!match)
 699                                         continue;
 700                                 match = false;
 701                                 if ((mattrs & MethodAttributes.Static) != 0) {
 702                                         if ((bindingAttr & BindingFlags.Static) != 0)
 703                                                 match = true;
 704                                 } else {
 705                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 706                                                 match = true;
 707                                 }
 708                                 if (!match)
 709                                         continue;
 710                                 l.Add (c);
 711                         }
 712                         PropertyInfo[] result = new PropertyInfo [l.Count];
 713                         l.CopyTo (result);
 714                         return result;
 715                 }
 716
 717                 [MonoTODO]
 718                 protected override PropertyInfo GetPropertyImpl( string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers) {
 719                         // FIXME
 720                         throw new NotImplementedException ();
 721                 }
 722
 723                 protected override bool HasElementTypeImpl () {
 724                         // According to the MSDN docs, this is supported for TypeBuilders,
 725                         // but in reality, it is not
 726                         throw not_supported ();
 727                         //                      return IsArrayImpl() || IsByRefImpl() || IsPointerImpl ();
 728                 }
 729
 730                 public override object InvokeMember( string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters) {
 731                         throw not_supported ();
 732                 }
 733
 734                 protected override bool IsArrayImpl () {
 735                         return type_is_subtype_of (this, typeof (System.Array), false);
 736                 }
 737                 protected override bool IsByRefImpl () {
 738                         // FIXME
 739                         return false;
 740                 }
 741                 protected override bool IsCOMObjectImpl () {
 742                         return false;
 743                 }
 744                 protected override bool IsPointerImpl () {
 745                         // FIXME
 746                         return false;
 747                 }
 748                 protected override bool IsPrimitiveImpl () {
 749                         // FIXME
 750                         return false;
 751                 }
 752                 protected override bool IsValueTypeImpl () {
 753                         return ((type_is_subtype_of (this, pmodule.assemblyb.corlib_value_type, false) || type_is_subtype_of (this, typeof(System.ValueType), false)) &&
 754                                 this != pmodule.assemblyb.corlib_value_type &&
 755                                 this != pmodule.assemblyb.corlib_enum_type);
 756                 }
 757
 758                 public override RuntimeTypeHandle TypeHandle {
 759                         get {
 760                                 throw not_supported ();
 761                         }
 762                 }
 763
 764                 public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
 765                         if (customBuilder == null)
 766                                 throw new ArgumentNullException ("customBuilder");
 767
 768                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
 769                         if (attrname == "System.Runtime.InteropServices.StructLayoutAttribute") {
 770                                 byte[] data = customBuilder.Data;
 771                                 int layout_kind; /* the (stupid) ctor takes a short or an int ... */
 772                                 layout_kind = (int)data [2];
 773                                 layout_kind |= ((int)data [3]) << 8;
 774                                 attrs &= ~TypeAttributes.LayoutMask;
 775                                 switch ((LayoutKind)layout_kind) {
 776                                 case LayoutKind.Auto:
 777                                         attrs |= TypeAttributes.AutoLayout;
 778                                         break;
 779                                 case LayoutKind.Explicit:
 780                                         attrs |= TypeAttributes.ExplicitLayout;
 781                                         break;
 782                                 case LayoutKind.Sequential:
 783                                         attrs |= TypeAttributes.SequentialLayout;
 784                                         break;
 785                                 default:
 786                                         // we should ignore it since it can be any value anyway...
 787                                         throw new Exception ("Error in customattr");
 788                                 }
 789                                 string first_type_name = customBuilder.Ctor.GetParameters()[0].ParameterType.FullName;
 790                                 int pos = 6;
 791                                 if (first_type_name == "System.Int16")
 792                                         pos = 4;
 793                                 int nnamed = (int)data [pos++];
 794                                 nnamed |= ((int)data [pos++]) << 8;
 795                                 for (int i = 0; i < nnamed; ++i) {
 796                                         byte named_type = data [pos++];
 797                                         byte type = data [pos++];
 798                                         int len = CustomAttributeBuilder.decode_len (data, pos, out pos);
 799                                         string named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
 800                                         pos += len;
 801                                         /* all the fields are integers in StructLayout */
 802                                         int value = (int)data [pos++];
 803                                         value |= ((int)data [pos++]) << 8;
 804                                         value |= ((int)data [pos++]) << 16;
 805                                         value |= ((int)data [pos++]) << 24;
 806                                         switch (named_name) {
 807                                         case "CharSet":
 808                                                 switch ((CharSet)value) {
 809                                                 case CharSet.None:
 810                                                 case CharSet.Ansi:
 811                                                         break;
 812                                                 case CharSet.Unicode:
 813                                                         attrs |= TypeAttributes.UnicodeClass;
 814                                                         break;
 815                                                 case CharSet.Auto:
 816                                                         attrs |= TypeAttributes.AutoClass;
 817                                                         break;
 818                                                 default:
 819                                                         break; // error out...
 820                                                 }
 821                                                 break;
 822                                         case "Pack":
 823                                                 packing_size = (PackingSize)value;
 824                                                 break;
 825                                         case "Size":
 826                                                 class_size = value;
 827                                                 break;
 828                                         default:
 829                                                 break; // error out...
 830                                         }
 831                                 }
 832                                 return;
 833                         } else if (attrname == "System.SerializableAttribute") {
 834                                 attrs |= TypeAttributes.Serializable;
 835                                 return;
 836                         }
 837                         if (cattrs != null) {
 838                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
 839                                 cattrs.CopyTo (new_array, 0);
 840                                 new_array [cattrs.Length] = customBuilder;
 841                                 cattrs = new_array;
 842                         } else {
 843                                 cattrs = new CustomAttributeBuilder [1];
 844                                 cattrs [0] = customBuilder;
 845                         }
 846                 }
 847                 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
 848                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
 849                 }
 850
 851                 public EventBuilder DefineEvent( string name, EventAttributes attributes, Type eventtype) {
 852                         check_name ("name", name);
 853                         if (eventtype == null)
 854                                 throw new ArgumentNullException ("eventtype");
 855                         if (is_created)
 856                                 throw not_after_created ();
 857
 858                         EventBuilder res = new EventBuilder (this, name, attributes, eventtype);
 859                         if (events != null) {
 860                                 EventBuilder[] new_events = new EventBuilder [events.Length+1];
 861                                 System.Array.Copy (events, new_events, events.Length);
 862                                 new_events [events.Length] = res;
 863                                 events = new_events;
 864                         } else {
 865                                 events = new EventBuilder [1];
 866                                 events [0] = res;
 867                         }
 868                         return res;
 869                 }
 870
 871                 static int InitializedDataCount = 0;
 872
 873                 public FieldBuilder DefineInitializedData( string name, byte[] data, FieldAttributes attributes) {
 874                         check_name ("name", name);
 875                         if (data == null)
 876                                 throw new ArgumentNullException ("data");
 877                         if ((data.Length == 0) || (data.Length > 0x3f0000))
 878                                 throw new ArgumentException ("data", "Data size must be > 0 and < 0x3f0000");
 879                         if (is_created)
 880                                 throw not_after_created ();
 881
 882                         TypeBuilder datablobtype = DefineNestedType ("$ArrayType$"+InitializedDataCount.ToString(),
 883                                 TypeAttributes.NestedPrivate|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
 884                                 pmodule.assemblyb.corlib_value_type, null, PackingSize.Size1, data.Length);
 885                         datablobtype.CreateType ();
 886                         FieldBuilder res = DefineField (name, datablobtype, attributes|FieldAttributes.Assembly|FieldAttributes.Static|FieldAttributes.HasFieldRVA);
 887                         res.SetRVAData (data);
 888                         InitializedDataCount++;
 889                         return res;
 890                 }
 891
 892                 [MonoTODO]
 893                 public FieldBuilder DefineUninitializedData( string name, int size, FieldAttributes attributes) {
 894                         check_name ("name", name);
 895                         if ((size <= 0) || (size > 0x3f0000))
 896                                 throw new ArgumentException ("data", "Data size must be > 0 and < 0x3f0000");
 897                         if (is_created)
 898                                 throw not_after_created ();
 899
 900                         throw new NotImplementedException ();
 901                 }
 902
 903                 public TypeToken TypeToken {
 904                         get {
 905                                 return new TypeToken (0x02000000 | table_idx);
 906                         }
 907                 }
 908                 public void SetParent (Type parentType) {
 909                         if (parentType == null)
 910                                 throw new ArgumentNullException ("parentType");
 911                         if (is_created)
 912                                 throw not_after_created ();
 913
 914                         parent = parentType;
 915                 }
 916                 internal int get_next_table_index (object obj, int table, bool inc) {
 917                         return pmodule.get_next_table_index (obj, table, inc);
 918                 }
 919
 920                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
 921                 {
 922                         if (created == null)
 923                                 throw new NotSupportedException ("This method is not implemented for incomplete types.");
 924
 925                         return created.GetInterfaceMap (interfaceType);
 926                 }
 927
 928                 internal bool is_created {
 929                         get {
 930                                 return created != null;
 931                         }
 932                 }
 933
 934                 private Exception not_supported ()
 935                 {
 936                         return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
 937                 }
 938
 939                 private Exception not_after_created ()
 940                 {
 941                         return new InvalidOperationException ("Unable to change after type has been created.");
 942                 }
 943
 944                 private void check_name (string argName, string name)
 945                 {
 946                         if (name == null)
 947                                 throw new ArgumentNullException (argName);
 948                         if (name == "")
 949                                 throw new ArgumentException (argName, "Empty name is not legal.");
 950                         if (name.IndexOf ((char)0) != -1)
 951                                 throw new ArgumentException (argName, "Illegal name.");
 952                 }
 953         }
 954 }