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.Text;
  12 using System.Reflection;
  13 using System.Reflection.Emit;
  14 using System.Runtime.CompilerServices;
  15 using System.Runtime.InteropServices;
  16 using System.Globalization;
  17 using System.Collections;
  18 using System.Security;
  19 using System.Security.Permissions;
  20
  21 namespace System.Reflection.Emit {
  22
  23         public sealed class TypeBuilder : Type {
  24         private string tname;
  25         private string nspace;
  26         private Type parent;
  27         private Type nesting_type;
  28         private Type[] interfaces;
  29         private MethodBuilder[] methods;
  30         private ConstructorBuilder[] ctors;
  31         private PropertyBuilder[] properties;
  32         private FieldBuilder[] fields;
  33         private EventBuilder[] events;
  34         private CustomAttributeBuilder[] cattrs;
  35         internal TypeBuilder[] subtypes;
  36         private TypeAttributes attrs;
  37         private int table_idx;
  38         private ModuleBuilder pmodule;
  39         private int class_size;
  40         private PackingSize packing_size;
  41         private MonoGenericParam[] generic_params;
  42         private Type created;
  43         string fullname;
  44
  45         public const int UnspecifiedTypeSize = 0;
  46
  47                 protected override TypeAttributes GetAttributeFlagsImpl () {
  48                         return attrs;
  49                 }
  50
  51                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  52                 private extern void setup_internal_class (TypeBuilder tb);
  53
  54                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  55                 private extern void create_internal_class (TypeBuilder tb);
  56
  57                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  58                 private extern void setup_generic_class (TypeBuilder tb);
  59
  60                 internal TypeBuilder (ModuleBuilder mb, TypeAttributes attr) {
  61                         this.parent = null;
  62                         this.attrs = attr;
  63                         this.class_size = -1;
  64                         fullname = this.tname = "<Module>";
  65                         this.nspace = "";
  66                         pmodule = mb;
  67                         setup_internal_class (this);
  68                 }
  69
  70                 internal TypeBuilder (ModuleBuilder mb, string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packing_size, int type_size, Type nesting_type) {
  71                         int sep_index;
  72                         this.parent = parent;
  73                         this.attrs = attr;
  74                         this.class_size = type_size;
  75                         this.packing_size = packing_size;
  76                         this.nesting_type = nesting_type;
  77                         sep_index = name.LastIndexOf('.');
  78                         if (sep_index != -1) {
  79                                 this.tname = name.Substring (sep_index + 1);
  80                                 this.nspace = name.Substring (0, sep_index);
  81                         } else {
  82                                 this.tname = name;
  83                                 this.nspace = "";
  84                         }
  85                         if (interfaces != null) {
  86                                 this.interfaces = new Type[interfaces.Length];
  87                                 System.Array.Copy (interfaces, this.interfaces, interfaces.Length);
  88                         }
  89                         pmodule = mb;
  90                         // skip .<Module> ?
  91                         table_idx = mb.get_next_table_index (this, 0x02, true);
  92                         setup_internal_class (this);
  93                         fullname = GetFullName ();
  94                 }
  95
  96                 public override Assembly Assembly {
  97                         get {return pmodule.Assembly;}
  98                 }
  99
 100                 public override string AssemblyQualifiedName {
 101                         get {
 102                                 return fullname + ", " + Assembly.GetName().FullName;
 103                         }
 104                 }
 105                 public override Type BaseType {
 106                         get {
 107                                 return parent;
 108                         }
 109                 }
 110                 public override Type DeclaringType {get {return nesting_type;}}
 111
 112 /*              public override bool IsSubclassOf (Type c)
 113                 {
 114                         Type t;
 115                         if (c == null)
 116                                 return false;
 117                         if (c == this)
 118                                 return false;
 119                         t = parent;
 120                         while (t != null) {
 121                                 if (c == t)
 122                                         return true;
 123                                 t = t.BaseType;
 124                         }
 125                         return false;
 126                 }*/
 127
 128                 [MonoTODO]
 129                 public override Type UnderlyingSystemType {
 130                         get {
 131                                 // This should return the type itself for non-enum types but
 132                                 // that breaks mcs.
 133                                 if (fields != null) {
 134                                         foreach (FieldBuilder f in fields) {
 135                                                 if ((f.Attributes & FieldAttributes.Static) == 0)
 136                                                         return f.FieldType;
 137                                         }
 138                                 }
 139                                 throw new InvalidOperationException ("Underlying type information on enumeration is not specified.");
 140                         }
 141                 }
 142
 143                 string GetFullName () {
 144                         if (nesting_type != null)
 145                                 return String.Concat (nesting_type.FullName, "+", tname);
 146                         if ((nspace != null) && (nspace.Length > 0))
 147                                 return String.Concat (nspace, ".", tname);
 148                         return tname;
 149                 }
 150
 151                 public override string FullName {
 152                         get {
 153                                 return fullname;
 154                         }
 155                 }
 156
 157                 public override Guid GUID {
 158                         get {
 159                             throw not_supported ();
 160                         }
 161                 }
 162
 163                 public override Module Module {
 164                         get {return pmodule;}
 165                 }
 166                 public override string Name {
 167                         get {return tname;}
 168                 }
 169                 public override string Namespace {
 170                         get {return nspace;}
 171                 }
 172                 public PackingSize PackingSize {
 173                         get {return packing_size;}
 174                 }
 175                 public int Size {
 176                         get { return class_size; }
 177                 }
 178                 public override Type ReflectedType {get {return nesting_type;}}
 179                 public override MemberTypes MemberType {
 180                         get {return MemberTypes.TypeInfo;}
 181                 }
 182
 183                 [MonoTODO]
 184                 public void AddDeclarativeSecurity( SecurityAction action, PermissionSet pset) {
 185                         throw new NotImplementedException ();
 186                 }
 187
 188                 public void AddInterfaceImplementation( Type interfaceType) {
 189                         if (interfaceType == null)
 190                                 throw new ArgumentNullException ("interfaceType");
 191                         if (is_created)
 192                                 throw not_after_created ();
 193
 194                         if (interfaces != null) {
 195                                 // Check for duplicates
 196                                 foreach (Type t in interfaces)
 197                                         if (t == interfaceType)
 198                                                 return;
 199
 200                                 Type[] ifnew = new Type [interfaces.Length + 1];
 201                                 interfaces.CopyTo (ifnew, 0);
 202                                 ifnew [interfaces.Length] = interfaceType;
 203                                 interfaces = ifnew;
 204                         } else {
 205                                 interfaces = new Type [1];
 206                                 interfaces [0] = interfaceType;
 207                         }
 208                 }
 209
 210                 [MonoTODO]
 211                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder,
 212                                                                        CallingConventions callConvention, Type[] types,
 213                                                                        ParameterModifier[] modifiers)
 214                 {
 215                         if (ctors == null)
 216                                 return null;
 217
 218                         ConstructorBuilder found = null;
 219                         int count = 0;
 220
 221                         foreach (ConstructorBuilder cb in ctors){
 222                                 if (callConvention != CallingConventions.Any && cb.CallingConvention != callConvention)
 223                                         continue;
 224                                 found = cb;
 225                                 count++;
 226                         }
 227
 228                         if (count == 0)
 229                                 return null;
 230                         if (types == null){
 231                                 if (count > 1)
 232                                         throw new AmbiguousMatchException ();
 233                                 return found;
 234                         }
 235                         MethodBase[] match = new MethodBase [count];
 236                         if (count == 1)
 237                                 match [0] = found;
 238                         else {
 239                                 count = 0;
 240                                 foreach (ConstructorInfo m in ctors) {
 241                                         if (callConvention != CallingConventions.Any && m.CallingConvention != callConvention)
 242                                                 continue;
 243                                         match [count++] = m;
 244                                 }
 245                         }
 246                         if (binder == null)
 247                                 binder = Binder.DefaultBinder;
 248                         return (ConstructorInfo)binder.SelectMethod (bindingAttr, match, types, modifiers);
 249                 }
 250
 251                 public override bool IsDefined( Type attributeType, bool inherit)
 252                 {
 253                         throw not_supported ();
 254                 }
 255
 256                 public override object[] GetCustomAttributes(bool inherit)
 257                 {
 258                         throw not_supported ();
 259                 }
 260
 261                 public override object[] GetCustomAttributes(Type attributeType, bool inherit)
 262                 {
 263                         throw not_supported ();
 264                 }
 265
 266                 public TypeBuilder DefineNestedType (string name) {
 267                         return DefineNestedType (name, TypeAttributes.NestedPrivate, pmodule.assemblyb.corlib_object_type, null);
 268                 }
 269
 270                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr) {
 271                         return DefineNestedType (name, attr, pmodule.assemblyb.corlib_object_type, null);
 272                 }
 273
 274                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent) {
 275                         return DefineNestedType (name, attr, parent, null);
 276                 }
 277
 278                 private TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces,
 279                                                       PackingSize packsize, int typesize)
 280                 {
 281                         check_name ("name", name);
 282                         // Visibility must be NestedXXX
 283                         /* This breaks mcs
 284                         if (((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.Public) ||
 285                                 ((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NotPublic))
 286                                 throw new ArgumentException ("attr", "Bad type flags for nested type.");
 287                         */
 288                         if (interfaces != null)
 289                                 foreach (Type iface in interfaces)
 290                                         if (iface == null)
 291                                                 throw new ArgumentNullException ("interfaces");
 292
 293                         TypeBuilder res = new TypeBuilder (pmodule, name, attr, parent, interfaces, packsize, typesize, this);
 294                         res.fullname = res.GetFullName ();
 295                         pmodule.RegisterTypeName (res, res.fullname);
 296                         if (subtypes != null) {
 297                                 TypeBuilder[] new_types = new TypeBuilder [subtypes.Length + 1];
 298                                 System.Array.Copy (subtypes, new_types, subtypes.Length);
 299                                 new_types [subtypes.Length] = res;
 300                                 subtypes = new_types;
 301                         } else {
 302                                 subtypes = new TypeBuilder [1];
 303                                 subtypes [0] = res;
 304                         }
 305                         return res;
 306                 }
 307
 308                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces) {
 309                         return DefineNestedType (name, attr, parent, interfaces, PackingSize.Unspecified, UnspecifiedTypeSize);
 310                 }
 311
 312                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, int typesize) {
 313                         return DefineNestedType (name, attr, parent, null, PackingSize.Unspecified, typesize);
 314                 }
 315
 316                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, PackingSize packsize) {
 317                         return DefineNestedType (name, attr, parent, null, packsize, UnspecifiedTypeSize);
 318                 }
 319
 320                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes)
 321                 {
 322                         if (is_created)
 323                                 throw not_after_created ();
 324                         ConstructorBuilder cb = new ConstructorBuilder (this, attributes, callingConvention, parameterTypes);
 325                         if (ctors != null) {
 326                                 ConstructorBuilder[] new_ctors = new ConstructorBuilder [ctors.Length+1];
 327                                 System.Array.Copy (ctors, new_ctors, ctors.Length);
 328                                 new_ctors [ctors.Length] = cb;
 329                                 ctors = new_ctors;
 330                         } else {
 331                                 ctors = new ConstructorBuilder [1];
 332                                 ctors [0] = cb;
 333                         }
 334                         return cb;
 335                 }
 336
 337                 public ConstructorBuilder DefineDefaultConstructor (MethodAttributes attributes)
 338                 {
 339                         ConstructorBuilder cb = DefineConstructor (attributes, CallingConventions.Standard, null);
 340
 341                         Type parent_type;
 342
 343                         if (parent != null)
 344                                 parent_type = parent;
 345                         else
 346                                 parent_type = pmodule.assemblyb.corlib_object_type;
 347
 348                         ConstructorInfo parent_constructor =
 349                                 parent_type.GetConstructor (
 350                                         BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
 351                                         null, Type.EmptyTypes, null);
 352
 353                         ILGenerator ig = cb.GetILGenerator ();
 354                         if (parent_constructor != null){
 355                                 ig.Emit (OpCodes.Ldarg_0);
 356                                 ig.Emit (OpCodes.Call, parent_constructor);
 357                         }
 358                         ig.Emit (OpCodes.Ret);
 359                         return cb;
 360                 }
 361
 362                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes) {
 363                         return DefineMethod (name, attributes, CallingConventions.Standard, returnType, parameterTypes);
 364                 }
 365
 366                 private void append_method (MethodBuilder mb) {
 367                         if (methods != null) {
 368                                 MethodBuilder[] new_methods = new MethodBuilder [methods.Length+1];
 369                                 System.Array.Copy (methods, new_methods, methods.Length);
 370                                 new_methods [methods.Length] = mb;
 371                                 methods = new_methods;
 372                         } else {
 373                                 methods = new MethodBuilder [1];
 374                                 methods [0] = mb;
 375                         }
 376                 }
 377
 378                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
 379                         check_name ("name", name);
 380                         if (is_created)
 381                                 throw not_after_created ();
 382                         if (IsInterface && (
 383                                 !((attributes & MethodAttributes.Abstract) != 0) ||
 384                                 !((attributes & MethodAttributes.Virtual) != 0)))
 385                                 throw new ArgumentException ("attributes", "Interface method must be abstract and virtual.");
 386
 387                         if (returnType == null)
 388                                 returnType = pmodule.assemblyb.corlib_void_type;
 389                         MethodBuilder res = new MethodBuilder (this, name, attributes, callingConvention, returnType, parameterTypes);
 390                         append_method (res);
 391                         return res;
 392                 }
 393
 394                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 395                         check_name ("name", name);
 396                         check_name ("dllName", dllName);
 397                         check_name ("entryName", entryName);
 398                         if ((attributes & MethodAttributes.Abstract) != 0)
 399                                 throw new ArgumentException ("attributes", "PInvoke methods must be static and native and cannot be abstract.");
 400                         if (IsInterface)
 401                                 throw new ArgumentException ("PInvoke methods cannot exist on interfaces.");
 402                         if (is_created)
 403                                 throw not_after_created ();
 404
 405                         MethodBuilder res = new MethodBuilder (this, name, attributes, callingConvention, returnType, parameterTypes,
 406                                 dllName, entryName, nativeCallConv, nativeCharSet);
 407                         append_method (res);
 408                         return res;
 409                 }
 410
 411                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 412                         return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes,
 413                                 nativeCallConv, nativeCharSet);
 414                 }
 415
 416                 public void DefineMethodOverride( MethodInfo methodInfoBody, MethodInfo methodInfoDeclaration) {
 417                         if (methodInfoBody == null)
 418                                 throw new ArgumentNullException ("methodInfoBody");
 419                         if (methodInfoDeclaration == null)
 420                                 throw new ArgumentNullException ("methodInfoDeclaration");
 421                         if (is_created)
 422                                 throw not_after_created ();
 423
 424                         if (methodInfoBody is MethodBuilder) {
 425                                 MethodBuilder mb = (MethodBuilder)methodInfoBody;
 426                                 mb.set_override (methodInfoDeclaration);
 427                         }
 428                 }
 429
 430                 public FieldBuilder DefineField( string fieldName, Type type, FieldAttributes attributes) {
 431                         check_name ("fieldName", fieldName);
 432                         if (type == typeof (void))
 433                                 throw new ArgumentException ("type",  "Bad field type in defining field.");
 434                         if (is_created)
 435                                 throw not_after_created ();
 436
 437                         FieldBuilder res = new FieldBuilder (this, fieldName, type, attributes);
 438                         if (fields != null) {
 439                                 FieldBuilder[] new_fields = new FieldBuilder [fields.Length+1];
 440                                 System.Array.Copy (fields, new_fields, fields.Length);
 441                                 new_fields [fields.Length] = res;
 442                                 fields = new_fields;
 443                         } else {
 444                                 fields = new FieldBuilder [1];
 445                                 fields [0] = res;
 446                                 create_internal_class (this);
 447                         }
 448                         return res;
 449                 }
 450
 451                 public PropertyBuilder DefineProperty( string name, PropertyAttributes attributes, Type returnType, Type[] parameterTypes) {
 452                         check_name ("name", name);
 453                         if (parameterTypes != null)
 454                                 foreach (Type param in parameterTypes)
 455                                         if (param == null)
 456                                                 throw new ArgumentNullException ("parameterTypes");
 457                         if (is_created)
 458                                 throw not_after_created ();
 459
 460                         PropertyBuilder res = new PropertyBuilder (this, name, attributes, returnType, parameterTypes);
 461
 462                         if (properties != null) {
 463                                 PropertyBuilder[] new_properties = new PropertyBuilder [properties.Length+1];
 464                                 System.Array.Copy (properties, new_properties, properties.Length);
 465                                 new_properties [properties.Length] = res;
 466                                 properties = new_properties;
 467                         } else {
 468                                 properties = new PropertyBuilder [1];
 469                                 properties [0] = res;
 470                         }
 471                         return res;
 472                 }
 473
 474                 public ConstructorBuilder DefineTypeInitializer() {
 475                         return DefineConstructor (MethodAttributes.Public | MethodAttributes.Static | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName, CallingConventions.Standard, null);
 476                 }
 477
 478                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 479                 private extern Type create_runtime_class (TypeBuilder tb);
 480
 481                 public Type CreateType() {
 482                         /* handle nesting_type */
 483                         if (is_created)
 484                                 throw not_after_created ();
 485                         if (methods != null) {
 486                                 foreach (MethodBuilder method in methods) {
 487                                         method.fixup ();
 488                                 }
 489                         }
 490
 491                         //
 492                         // On classes, define a default constructor if not provided
 493                         //
 494                         if (!(IsInterface || IsValueType) && (ctors == null) && (tname != "<Module>"))
 495                                 DefineDefaultConstructor (MethodAttributes.Public);
 496
 497                         if (ctors != null){
 498                                 foreach (ConstructorBuilder ctor in ctors)
 499                                         ctor.fixup ();
 500                         }
 501
 502                         created = create_runtime_class (this);
 503                         if (created != null)
 504                                 return created;
 505                         return this;
 506                 }
 507
 508                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 509                 {
 510                         if (ctors == null)
 511                                 return new ConstructorInfo [0];
 512                         ArrayList l = new ArrayList ();
 513                         bool match;
 514                         MethodAttributes mattrs;
 515
 516                         foreach (ConstructorBuilder c in ctors) {
 517                                 match = false;
 518                                 mattrs = c.Attributes;
 519                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 520                                         if ((bindingAttr & BindingFlags.Public) != 0)
 521                                                 match = true;
 522                                 } else {
 523                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 524                                                 match = true;
 525                                 }
 526                                 if (!match)
 527                                         continue;
 528                                 match = false;
 529                                 if ((mattrs & MethodAttributes.Static) != 0) {
 530                                         if ((bindingAttr & BindingFlags.Static) != 0)
 531                                                 match = true;
 532                                 } else {
 533                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 534                                                 match = true;
 535                                 }
 536                                 if (!match)
 537                                         continue;
 538                                 l.Add (c);
 539                         }
 540                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 541                         l.CopyTo (result);
 542                         return result;
 543                 }
 544
 545                 public override Type GetElementType () {
 546                         throw not_supported ();
 547                 }
 548
 549                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr) {
 550                         throw not_supported ();
 551                 }
 552
 553                 public override EventInfo[] GetEvents (BindingFlags bindingAttr) {
 554                         // FIXME: Under MS.NET, this throws a NotImplementedException
 555                         // But mcs calls this method. How can that be?
 556                         return new EventInfo [0];
 557                 }
 558
 559                 public override FieldInfo GetField( string name, BindingFlags bindingAttr) {
 560                         throw not_supported ();
 561                 }
 562
 563                 public override FieldInfo[] GetFields (BindingFlags bindingAttr) {
 564                         if (fields == null)
 565                                 return new FieldInfo [0];
 566                         ArrayList l = new ArrayList ();
 567                         bool match;
 568                         FieldAttributes mattrs;
 569
 570                         foreach (FieldInfo c in fields) {
 571                                 match = false;
 572                                 mattrs = c.Attributes;
 573                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 574                                         if ((bindingAttr & BindingFlags.Public) != 0)
 575                                                 match = true;
 576                                 } else {
 577                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 578                                                 match = true;
 579                                 }
 580                                 if (!match)
 581                                         continue;
 582                                 match = false;
 583                                 if ((mattrs & FieldAttributes.Static) != 0) {
 584                                         if ((bindingAttr & BindingFlags.Static) != 0)
 585                                                 match = true;
 586                                 } else {
 587                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 588                                                 match = true;
 589                                 }
 590                                 if (!match)
 591                                         continue;
 592                                 l.Add (c);
 593                         }
 594                         FieldInfo[] result = new FieldInfo [l.Count];
 595                         l.CopyTo (result);
 596                         return result;
 597                 }
 598
 599                 public override Type GetInterface (string name, bool ignoreCase) {
 600                         throw not_supported ();
 601                 }
 602
 603                 public override Type[] GetInterfaces () {
 604                         if (interfaces != null) {
 605                                 Type[] ret = new Type [interfaces.Length];
 606                                 interfaces.CopyTo (ret, 0);
 607                                 return ret;
 608                         } else {
 609                                 return Type.EmptyTypes;
 610                         }
 611                 }
 612
 613                 public override MemberInfo[] GetMember (string name, MemberTypes type,
 614                                                                                                 BindingFlags bindingAttr) {
 615                         throw not_supported ();
 616                 }
 617
 618                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr) {
 619                         throw not_supported ();
 620                 }
 621
 622                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr) {
 623                         if (methods == null)
 624                                 return new MethodInfo [0];
 625                         ArrayList l = new ArrayList ();
 626                         bool match;
 627                         MethodAttributes mattrs;
 628
 629                         foreach (MethodInfo c in methods) {
 630                                 match = false;
 631                                 mattrs = c.Attributes;
 632                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 633                                         if ((bindingAttr & BindingFlags.Public) != 0)
 634                                                 match = true;
 635                                 } else {
 636                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 637                                                 match = true;
 638                                 }
 639                                 if (!match)
 640                                         continue;
 641                                 match = false;
 642                                 if ((mattrs & MethodAttributes.Static) != 0) {
 643                                         if ((bindingAttr & BindingFlags.Static) != 0)
 644                                                 match = true;
 645                                 } else {
 646                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 647                                                 match = true;
 648                                 }
 649                                 if (!match)
 650                                         continue;
 651                                 l.Add (c);
 652                         }
 653                         MethodInfo[] result = new MethodInfo [l.Count];
 654                         l.CopyTo (result);
 655                         return result;
 656                 }
 657
 658                 protected override MethodInfo GetMethodImpl( string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers) {
 659                         throw not_supported ();
 660                 }
 661
 662                 public override Type GetNestedType( string name, BindingFlags bindingAttr) {
 663                         throw not_supported ();
 664                 }
 665
 666                 public override Type[] GetNestedTypes (BindingFlags bindingAttr) {
 667                         bool match;
 668                         ArrayList result = new ArrayList ();
 669
 670                         if (subtypes == null)
 671                                 return Type.EmptyTypes;
 672                         foreach (TypeBuilder t in subtypes) {
 673                                 match = false;
 674                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
 675                                         if ((bindingAttr & BindingFlags.Public) != 0)
 676                                                 match = true;
 677                                 } else {
 678                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 679                                                 match = true;
 680                                 }
 681                                 if (!match)
 682                                         continue;
 683                                 result.Add (t);
 684                         }
 685                         Type[] r = new Type [result.Count];
 686                         result.CopyTo (r);
 687                         return r;
 688                 }
 689
 690                 public override PropertyInfo[] GetProperties( BindingFlags bindingAttr) {
 691                         if (properties == null)
 692                                 return new PropertyInfo [0];
 693                         ArrayList l = new ArrayList ();
 694                         bool match;
 695                         MethodAttributes mattrs;
 696                         MethodInfo accessor;
 697
 698                         foreach (PropertyInfo c in properties) {
 699                                 match = false;
 700                                 accessor = c.GetGetMethod (true);
 701                                 if (accessor == null)
 702                                         accessor = c.GetSetMethod (true);
 703                                 if (accessor == null)
 704                                         continue;
 705                                 mattrs = accessor.Attributes;
 706                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 707                                         if ((bindingAttr & BindingFlags.Public) != 0)
 708                                                 match = true;
 709                                 } else {
 710                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
 711                                                 match = true;
 712                                 }
 713                                 if (!match)
 714                                         continue;
 715                                 match = false;
 716                                 if ((mattrs & MethodAttributes.Static) != 0) {
 717                                         if ((bindingAttr & BindingFlags.Static) != 0)
 718                                                 match = true;
 719                                 } else {
 720                                         if ((bindingAttr & BindingFlags.Instance) != 0)
 721                                                 match = true;
 722                                 }
 723                                 if (!match)
 724                                         continue;
 725                                 l.Add (c);
 726                         }
 727                         PropertyInfo[] result = new PropertyInfo [l.Count];
 728                         l.CopyTo (result);
 729                         return result;
 730                 }
 731
 732                 protected override PropertyInfo GetPropertyImpl( string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers) {
 733                         throw not_supported ();
 734                 }
 735
 736                 protected override bool HasElementTypeImpl () {
 737                         // According to the MSDN docs, this is supported for TypeBuilders,
 738                         // but in reality, it is not
 739                         throw not_supported ();
 740                         //                      return IsArrayImpl() || IsByRefImpl() || IsPointerImpl ();
 741                 }
 742
 743                 public override object InvokeMember( string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters) {
 744                         throw not_supported ();
 745                 }
 746
 747                 protected override bool IsArrayImpl ()
 748                 {
 749                         return Type.IsArrayImpl (this);
 750                 }
 751
 752                 protected override bool IsByRefImpl () {
 753                         // FIXME
 754                         return false;
 755                 }
 756                 protected override bool IsCOMObjectImpl () {
 757                         return false;
 758                 }
 759                 protected override bool IsPointerImpl () {
 760                         // FIXME
 761                         return false;
 762                 }
 763                 protected override bool IsPrimitiveImpl () {
 764                         // FIXME
 765                         return false;
 766                 }
 767                 protected override bool IsValueTypeImpl () {
 768                         return ((type_is_subtype_of (this, pmodule.assemblyb.corlib_value_type, false) || type_is_subtype_of (this, typeof(System.ValueType), false)) &&
 769                                 this != pmodule.assemblyb.corlib_value_type &&
 770                                 this != pmodule.assemblyb.corlib_enum_type);
 771                 }
 772
 773                 public override RuntimeTypeHandle TypeHandle {
 774                         get {
 775                                 throw not_supported ();
 776                         }
 777                 }
 778
 779                 public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
 780                         if (customBuilder == null)
 781                                 throw new ArgumentNullException ("customBuilder");
 782
 783                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
 784                         if (attrname == "System.Runtime.InteropServices.StructLayoutAttribute") {
 785                                 byte[] data = customBuilder.Data;
 786                                 int layout_kind; /* the (stupid) ctor takes a short or an int ... */
 787                                 layout_kind = (int)data [2];
 788                                 layout_kind |= ((int)data [3]) << 8;
 789                                 attrs &= ~TypeAttributes.LayoutMask;
 790                                 switch ((LayoutKind)layout_kind) {
 791                                 case LayoutKind.Auto:
 792                                         attrs |= TypeAttributes.AutoLayout;
 793                                         break;
 794                                 case LayoutKind.Explicit:
 795                                         attrs |= TypeAttributes.ExplicitLayout;
 796                                         break;
 797                                 case LayoutKind.Sequential:
 798                                         attrs |= TypeAttributes.SequentialLayout;
 799                                         break;
 800                                 default:
 801                                         // we should ignore it since it can be any value anyway...
 802                                         throw new Exception ("Error in customattr");
 803                                 }
 804                                 string first_type_name = customBuilder.Ctor.GetParameters()[0].ParameterType.FullName;
 805                                 int pos = 6;
 806                                 if (first_type_name == "System.Int16")
 807                                         pos = 4;
 808                                 int nnamed = (int)data [pos++];
 809                                 nnamed |= ((int)data [pos++]) << 8;
 810                                 for (int i = 0; i < nnamed; ++i) {
 811                                         byte named_type = data [pos++];
 812                                         byte type = data [pos++];
 813                                         int len = CustomAttributeBuilder.decode_len (data, pos, out pos);
 814                                         string named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
 815                                         pos += len;
 816                                         /* all the fields are integers in StructLayout */
 817                                         int value = (int)data [pos++];
 818                                         value |= ((int)data [pos++]) << 8;
 819                                         value |= ((int)data [pos++]) << 16;
 820                                         value |= ((int)data [pos++]) << 24;
 821                                         switch (named_name) {
 822                                         case "CharSet":
 823                                                 switch ((CharSet)value) {
 824                                                 case CharSet.None:
 825                                                 case CharSet.Ansi:
 826                                                         break;
 827                                                 case CharSet.Unicode:
 828                                                         attrs |= TypeAttributes.UnicodeClass;
 829                                                         break;
 830                                                 case CharSet.Auto:
 831                                                         attrs |= TypeAttributes.AutoClass;
 832                                                         break;
 833                                                 default:
 834                                                         break; // error out...
 835                                                 }
 836                                                 break;
 837                                         case "Pack":
 838                                                 packing_size = (PackingSize)value;
 839                                                 break;
 840                                         case "Size":
 841                                                 class_size = value;
 842                                                 break;
 843                                         default:
 844                                                 break; // error out...
 845                                         }
 846                                 }
 847                                 return;
 848                         } else if (attrname == "System.SerializableAttribute") {
 849                                 attrs |= TypeAttributes.Serializable;
 850                                 return;
 851                         }
 852                         if (cattrs != null) {
 853                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
 854                                 cattrs.CopyTo (new_array, 0);
 855                                 new_array [cattrs.Length] = customBuilder;
 856                                 cattrs = new_array;
 857                         } else {
 858                                 cattrs = new CustomAttributeBuilder [1];
 859                                 cattrs [0] = customBuilder;
 860                         }
 861                 }
 862                 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
 863                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
 864                 }
 865
 866                 public EventBuilder DefineEvent( string name, EventAttributes attributes, Type eventtype) {
 867                         check_name ("name", name);
 868                         if (eventtype == null)
 869                                 throw new ArgumentNullException ("eventtype");
 870                         if (is_created)
 871                                 throw not_after_created ();
 872
 873                         EventBuilder res = new EventBuilder (this, name, attributes, eventtype);
 874                         if (events != null) {
 875                                 EventBuilder[] new_events = new EventBuilder [events.Length+1];
 876                                 System.Array.Copy (events, new_events, events.Length);
 877                                 new_events [events.Length] = res;
 878                                 events = new_events;
 879                         } else {
 880                                 events = new EventBuilder [1];
 881                                 events [0] = res;
 882                         }
 883                         return res;
 884                 }
 885
 886                 static int InitializedDataCount = 0;
 887
 888                 public FieldBuilder DefineInitializedData( string name, byte[] data, FieldAttributes attributes) {
 889                         check_name ("name", name);
 890                         if (data == null)
 891                                 throw new ArgumentNullException ("data");
 892                         if ((data.Length == 0) || (data.Length > 0x3f0000))
 893                                 throw new ArgumentException ("data", "Data size must be > 0 and < 0x3f0000");
 894                         if (is_created)
 895                                 throw not_after_created ();
 896
 897                         string s = "$ArrayType$"+InitializedDataCount.ToString();
 898                         TypeBuilder datablobtype = DefineNestedType (s,
 899                                 TypeAttributes.NestedPrivate|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
 900                                 pmodule.assemblyb.corlib_value_type, null, PackingSize.Size1, data.Length);
 901                         datablobtype.CreateType ();
 902                         FieldBuilder res = DefineField (name, datablobtype, attributes|FieldAttributes.Assembly|FieldAttributes.Static|FieldAttributes.HasFieldRVA);
 903                         res.SetRVAData (data);
 904                         InitializedDataCount++;
 905                         return res;
 906                 }
 907
 908                 [MonoTODO]
 909                 public FieldBuilder DefineUninitializedData( string name, int size, FieldAttributes attributes) {
 910                         check_name ("name", name);
 911                         if ((size <= 0) || (size > 0x3f0000))
 912                                 throw new ArgumentException ("data", "Data size must be > 0 and < 0x3f0000");
 913                         if (is_created)
 914                                 throw not_after_created ();
 915
 916                         throw new NotImplementedException ();
 917                 }
 918
 919                 public TypeToken TypeToken {
 920                         get {
 921                                 return new TypeToken (0x02000000 | table_idx);
 922                         }
 923                 }
 924                 public void SetParent (Type parentType) {
 925                         if (parentType == null)
 926                                 throw new ArgumentNullException ("parentType");
 927                         if (is_created)
 928                                 throw not_after_created ();
 929
 930                         parent = parentType;
 931                 }
 932                 internal int get_next_table_index (object obj, int table, bool inc) {
 933                         return pmodule.get_next_table_index (obj, table, inc);
 934                 }
 935
 936                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
 937                 {
 938                         if (created == null)
 939                                 throw new NotSupportedException ("This method is not implemented for incomplete types.");
 940
 941                         return created.GetInterfaceMap (interfaceType);
 942                 }
 943
 944                 internal bool is_created {
 945                         get {
 946                                 return created != null;
 947                         }
 948                 }
 949
 950                 private Exception not_supported ()
 951                 {
 952                         return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
 953                 }
 954
 955                 private Exception not_after_created ()
 956                 {
 957                         return new InvalidOperationException ("Unable to change after type has been created.");
 958                 }
 959
 960                 private void check_name (string argName, string name)
 961                 {
 962                         if (name == null)
 963                                 throw new ArgumentNullException (argName);
 964                         if (name == "")
 965                                 throw new ArgumentException (argName, "Empty name is not legal.");
 966                         if (name.IndexOf ((char)0) != -1)
 967                                 throw new ArgumentException (argName, "Illegal name.");
 968                 }
 969
 970 #if GENERICS
 971                 public override Type GetGenericTypeDefinition ()
 972                 {
 973                         setup_generic_class (this);
 974
 975                         return base.GetGenericTypeDefinition ();
 976                 }
 977
 978                 public override bool HasGenericParameters {
 979                         get {
 980                                 throw new NotImplementedException ();
 981                         }
 982                 }
 983
 984                 public override bool HasUnboundGenericParameters {
 985                         get {
 986                                 throw new NotImplementedException ();
 987                         }
 988                 }
 989
 990                 public extern override bool IsUnboundGenericParameter {
 991                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
 992                         get;
 993                 }
 994
 995                 public override int GenericParameterPosition {
 996                         get {
 997                                 throw new Exception ("Unimplemented");
 998                         }
 999                 }
1000
1001                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
1002                 private extern static Type define_generic_parameter (TypeBuilder tb, MonoGenericParam param);
1003
1004                 public Type DefineGenericParameter (string name, Type[] constraints)
1005                 {
1006                         MonoGenericParam gparam = new MonoGenericParam (name, constraints);
1007
1008                         if (generic_params != null) {
1009                                 MonoGenericParam[] new_generic_params = new MonoGenericParam [generic_params.Length+1];
1010                                 System.Array.Copy (generic_params, new_generic_params, generic_params.Length);
1011                                 new_generic_params [generic_params.Length] = gparam;
1012                                 generic_params = new_generic_params;
1013                         } else {
1014                                 generic_params = new MonoGenericParam [1];
1015                                 generic_params [0] = gparam;
1016                         }
1017
1018                         return define_generic_parameter (this, gparam);
1019                 }
1020 #endif
1021
1022                 internal sealed class MonoGenericParam {
1023                         private readonly uint Handle;
1024
1025                         public readonly Type Type;
1026                         public readonly string Name;
1027                         public readonly int Flags;
1028                         public readonly Type[] Constraints;
1029
1030                         public MonoGenericParam (string name, Type[] constraints)
1031                         {
1032                                 this.Name = name;
1033                                 this.Constraints = constraints;
1034                         }
1035                 }
1036         }
1037 }