mcs/class/corlib/System.Reflection/MonoGenericClass.cs

   1 //
   2 // System.Reflection.MonoGenericClass
   3 //
   4 // Sean MacIsaac (macisaac@ximian.com)
   5 // Paolo Molaro (lupus@ximian.com)
   6 // Patrik Torstensson (patrik.torstensson@labs2.com)
   7 //
   8 // (C) 2001 Ximian, Inc.
   9 //
  10
  11 //
  12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  13 //
  14 // Permission is hereby granted, free of charge, to any person obtaining
  15 // a copy of this software and associated documentation files (the
  16 // "Software"), to deal in the Software without restriction, including
  17 // without limitation the rights to use, copy, modify, merge, publish,
  18 // distribute, sublicense, and/or sell copies of the Software, and to
  19 // permit persons to whom the Software is furnished to do so, subject to
  20 // the following conditions:
  21 //
  22 // The above copyright notice and this permission notice shall be
  23 // included in all copies or substantial portions of the Software.
  24 //
  25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  32 //
  33
  34 using System.Reflection;
  35 using System.Reflection.Emit;
  36 using System.Collections;
  37 using System.Runtime.CompilerServices;
  38 using System.Globalization;
  39 using System.Runtime.Serialization;
  40 using System.Text;
  41
  42 namespace System.Reflection
  43 {
  44         /*
  45          * MonoGenericClass represents an instantiation of a generic TypeBuilder. MS
  46          * calls this class TypeBuilderInstantiation (a much better name). MS returns
  47          * NotImplementedException for many of the methods but we can't do that as gmcs
  48          * depends on them.
  49          */
  50         internal class MonoGenericClass : MonoType
  51         {
  52                 #region Keep in sync with object-internals.h
  53 #pragma warning disable 649
  54                 internal TypeBuilder generic_type;
  55                 Type[] type_arguments;
  56                 bool initialized;
  57 #pragma warning restore 649
  58                 #endregion
  59
  60                 Hashtable fields, ctors, methods;
  61                 int event_count;
  62
  63                 internal MonoGenericClass ()
  64                         : base (null)
  65                 {
  66                         // this should not be used
  67                         throw new InvalidOperationException ();
  68                 }
  69
  70                 internal MonoGenericClass (TypeBuilder tb, Type[] args) : base (null)
  71                 {
  72                         this.generic_type = tb;
  73                         this.type_arguments = args;
  74                 }
  75
  76                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  77                 extern void initialize (MethodInfo[] methods, ConstructorInfo[] ctors, FieldInfo[] fields, PropertyInfo[] properties, EventInfo[] events);
  78
  79                 private const BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic |
  80                 BindingFlags.Static | BindingFlags.Instance | BindingFlags.DeclaredOnly;
  81
  82                 void initialize ()
  83                 {
  84                         if (initialized)
  85                                 return;
  86
  87                         MonoGenericClass parent = GetParentType () as MonoGenericClass;
  88                         if (parent != null)
  89                                 parent.initialize ();
  90                         EventInfo[] events = generic_type.GetEvents_internal (flags);
  91                         event_count = events.Length;
  92
  93                         initialize (generic_type.GetMethods (flags),
  94                                                 generic_type.GetConstructorsInternal (flags),
  95                                                 generic_type.GetFields (flags),
  96                                                 generic_type.GetProperties (flags),
  97                                                 events);
  98
  99                         initialized = true;
 100                 }
 101
 102                 Type GetParentType ()
 103                 {
 104                         return InflateType (generic_type.BaseType);
 105                 }
 106
 107                 internal Type InflateType (Type type)
 108                 {
 109                         return InflateType (type, null);
 110                 }
 111
 112                 internal Type InflateType (Type type, Type[] method_args)
 113                 {
 114                         if (type == null)
 115                                 return null;
 116                         if (!type.IsGenericParameter && !type.ContainsGenericParameters)
 117                                 return type;
 118                         if (type.IsGenericParameter) {
 119                                 if (type.DeclaringMethod == null)
 120                                         return type_arguments [type.GenericParameterPosition];
 121                                 if (method_args != null)
 122                                         return method_args [type.GenericParameterPosition];
 123                                 return type;
 124                         }
 125                         if (type.IsPointer)
 126                                 return InflateType (type.GetElementType (), method_args).MakePointerType ();
 127                         if (type.IsByRef)
 128                                 return InflateType (type.GetElementType (), method_args).MakeByRefType ();
 129                         if (type.IsArray) {
 130                                 if (type.GetArrayRank () > 1)
 131                                         return InflateType (type.GetElementType (), method_args).MakeArrayType (type.GetArrayRank ());
 132 #if BOOTSTRAP_NET_2_0
 133                                 if (type.ToString ().EndsWith ("[*]"))
 134 #else
 135                                 if (type.ToString ().EndsWith ("[*]", StringComparison.Ordinal)) /*FIXME, the reflection API doesn't offer a way around this*/
 136 #endif
 137                                         return InflateType (type.GetElementType (), method_args).MakeArrayType (1);
 138                                 return InflateType (type.GetElementType (), method_args).MakeArrayType ();
 139                         }
 140
 141                         Type[] args = type.GetGenericArguments ();
 142                         for (int i = 0; i < args.Length; ++i)
 143                                 args [i] = InflateType (args [i], method_args);
 144
 145                         Type gtd = type.IsGenericTypeDefinition ? type : type.GetGenericTypeDefinition ();
 146                         return gtd.MakeGenericType (args);
 147                 }
 148
 149                 public override Type BaseType {
 150                         get {
 151                                 Type parent = GetParentType ();
 152                                 return parent != null ? parent : generic_type.BaseType;
 153                         }
 154                 }
 155
 156                 Type[] GetInterfacesInternal ()
 157                 {
 158                         if (generic_type.interfaces == null)
 159                                 return new Type [0];
 160                         Type[] res = new Type [generic_type.interfaces.Length];
 161                         for (int i = 0; i < res.Length; ++i)
 162                                 res [i] = InflateType (generic_type.interfaces [i]);
 163                         return res;
 164                 }
 165
 166                 public override Type[] GetInterfaces ()
 167                 {
 168                         if (!generic_type.IsCompilerContext)
 169                                 throw new NotSupportedException ();
 170                         return GetInterfacesInternal ();
 171                 }
 172
 173                 protected override bool IsValueTypeImpl ()
 174                 {
 175                         return generic_type.IsValueType;
 176                 }
 177
 178                 internal override MethodInfo GetMethod (MethodInfo fromNoninstanciated)
 179                 {
 180                         initialize ();
 181
 182                         if (!(fromNoninstanciated is MethodBuilder))
 183                                 throw new InvalidOperationException ("Inflating non MethodBuilder objects is not supported: " + fromNoninstanciated.GetType ());
 184
 185                         MethodBuilder mb = (MethodBuilder)fromNoninstanciated;
 186                         if (methods == null)
 187                                 methods = new Hashtable ();
 188                         if (!methods.ContainsKey (mb))
 189                                 methods [mb] = new MethodOnTypeBuilderInst (this, mb);
 190                         return (MethodInfo)methods [mb];
 191                 }
 192
 193                 internal override ConstructorInfo GetConstructor (ConstructorInfo fromNoninstanciated)
 194                 {
 195                         initialize ();
 196
 197                         if (!(fromNoninstanciated is ConstructorBuilder))
 198                                 throw new InvalidOperationException ("Inflating non ConstructorBuilder objects is not supported: " + fromNoninstanciated.GetType ());
 199
 200                         ConstructorBuilder cb = (ConstructorBuilder)fromNoninstanciated;
 201                         if (ctors == null)
 202                                 ctors = new Hashtable ();
 203                         if (!ctors.ContainsKey (cb))
 204                                 ctors [cb] = new ConstructorOnTypeBuilderInst (this, cb);
 205                         return (ConstructorInfo)ctors [cb];
 206                 }
 207
 208                 internal override FieldInfo GetField (FieldInfo fromNoninstanciated)
 209                 {
 210                         initialize ();
 211
 212                         if (!(fromNoninstanciated is FieldBuilder))
 213                                 throw new InvalidOperationException ("Inflating non FieldBuilder objects is not supported: " + fromNoninstanciated.GetType ());
 214
 215                         FieldBuilder fb = (FieldBuilder)fromNoninstanciated;
 216                         if (fields == null)
 217                                 fields = new Hashtable ();
 218                         if (!fields.ContainsKey (fb))
 219                                 fields [fb] = new FieldOnTypeBuilderInst (this, fb);
 220                         return (FieldInfo)fields [fb];
 221                 }
 222
 223                 public override MethodInfo[] GetMethods (BindingFlags bf)
 224                 {
 225                         if (!generic_type.IsCompilerContext)
 226                                 throw new NotSupportedException ();
 227
 228                         ArrayList l = new ArrayList ();
 229
 230                         //
 231                         // Walk up our class hierarchy and retrieve methods from our
 232                         // parent classes.
 233                         //
 234
 235                         Type current_type = this;
 236                         do {
 237                                 MonoGenericClass gi = current_type as MonoGenericClass;
 238                                 if (gi != null)
 239                                         l.AddRange (gi.GetMethodsInternal (bf, this));
 240                                 else if (current_type is TypeBuilder)
 241                                         l.AddRange (current_type.GetMethods (bf));
 242                                 else {
 243                                         // If we encounter a `MonoType', its
 244                                         // GetMethodsByName() will return all the methods
 245                                         // from its parent type(s), so we can stop here.
 246                                         MonoType mt = (MonoType) current_type;
 247                                         l.AddRange (mt.GetMethodsByName (null, bf, false, this));
 248                                         break;
 249                                 }
 250
 251                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 252                                         break;
 253                                 current_type = current_type.BaseType;
 254                         } while (current_type != null);
 255
 256                         MethodInfo[] result = new MethodInfo [l.Count];
 257                         l.CopyTo (result);
 258                         return result;
 259                 }
 260
 261                 MethodInfo[] GetMethodsInternal (BindingFlags bf, MonoGenericClass reftype)
 262                 {
 263                         if (generic_type.num_methods == 0)
 264                                 return new MethodInfo [0];
 265
 266                         ArrayList l = new ArrayList ();
 267                         bool match;
 268                         MethodAttributes mattrs;
 269                         MethodInfo accessor;
 270
 271                         initialize ();
 272
 273                         for (int i = 0; i < generic_type.num_methods; ++i) {
 274                                 MethodInfo c = generic_type.methods [i];
 275
 276                                 match = false;
 277                                 mattrs = c.Attributes;
 278                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 279                                         if ((bf & BindingFlags.Public) != 0)
 280                                                 match = true;
 281                                 } else {
 282                                         if ((bf & BindingFlags.NonPublic) != 0)
 283                                                 match = true;
 284                                 }
 285                                 if (!match)
 286                                         continue;
 287                                 match = false;
 288                                 if ((mattrs & MethodAttributes.Static) != 0) {
 289                                         if ((bf & BindingFlags.Static) != 0)
 290                                                 match = true;
 291                                 } else {
 292                                         if ((bf & BindingFlags.Instance) != 0)
 293                                                 match = true;
 294                                 }
 295                                 if (!match)
 296                                         continue;
 297                                 c = TypeBuilder.GetMethod (this, c);
 298                                 l.Add (c);
 299                         }
 300
 301                         MethodInfo[] result = new MethodInfo [l.Count];
 302                         l.CopyTo (result);
 303                         return result;
 304                 }
 305
 306                 public override ConstructorInfo[] GetConstructors (BindingFlags bf)
 307                 {
 308                         if (!generic_type.IsCompilerContext)
 309                                 throw new NotSupportedException ();
 310
 311                         ArrayList l = new ArrayList ();
 312
 313                         Type current_type = this;
 314                         do {
 315                                 MonoGenericClass gi = current_type as MonoGenericClass;
 316                                 if (gi != null)
 317                                         l.AddRange (gi.GetConstructorsInternal (bf, this));
 318                                 else if (current_type is TypeBuilder)
 319                                         l.AddRange (current_type.GetConstructors (bf));
 320                                 else {
 321                                         MonoType mt = (MonoType) current_type;
 322                                         l.AddRange (mt.GetConstructors_internal (bf, this));
 323                                         break;
 324                                 }
 325
 326                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 327                                         break;
 328                                 current_type = current_type.BaseType;
 329                         } while (current_type != null);
 330
 331                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 332                         l.CopyTo (result);
 333                         return result;
 334                 }
 335
 336                 ConstructorInfo[] GetConstructorsInternal (BindingFlags bf, MonoGenericClass reftype)
 337                 {
 338                         if (generic_type.ctors == null)
 339                                 return new ConstructorInfo [0];
 340
 341                         ArrayList l = new ArrayList ();
 342                         bool match;
 343                         MethodAttributes mattrs;
 344
 345                         initialize ();
 346
 347                         for (int i = 0; i < generic_type.ctors.Length; i++) {
 348                                 ConstructorInfo c = generic_type.ctors [i];
 349
 350                                 match = false;
 351                                 mattrs = c.Attributes;
 352                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 353                                         if ((bf & BindingFlags.Public) != 0)
 354                                                 match = true;
 355                                 } else {
 356                                         if ((bf & BindingFlags.NonPublic) != 0)
 357                                                 match = true;
 358                                 }
 359                                 if (!match)
 360                                         continue;
 361                                 match = false;
 362                                 if ((mattrs & MethodAttributes.Static) != 0) {
 363                                         if ((bf & BindingFlags.Static) != 0)
 364                                                 match = true;
 365                                 } else {
 366                                         if ((bf & BindingFlags.Instance) != 0)
 367                                                 match = true;
 368                                 }
 369                                 if (!match)
 370                                         continue;
 371                                 l.Add (TypeBuilder.GetConstructor (this, c));
 372                         }
 373
 374                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 375                         l.CopyTo (result);
 376                         return result;
 377                 }
 378
 379                 public override FieldInfo[] GetFields (BindingFlags bf)
 380                 {
 381                         if (!generic_type.IsCompilerContext)
 382                                 throw new NotSupportedException ();
 383
 384                         ArrayList l = new ArrayList ();
 385
 386                         Type current_type = this;
 387                         do {
 388                                 MonoGenericClass gi = current_type as MonoGenericClass;
 389                                 if (gi != null)
 390                                         l.AddRange (gi.GetFieldsInternal (bf, this));
 391                                 else if (current_type is TypeBuilder)
 392                                         l.AddRange (current_type.GetFields (bf));
 393                                 else {
 394                                         MonoType mt = (MonoType) current_type;
 395                                         l.AddRange (mt.GetFields_internal (bf, this));
 396                                         break;
 397                                 }
 398
 399                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 400                                         break;
 401                                 current_type = current_type.BaseType;
 402                         } while (current_type != null);
 403
 404                         FieldInfo[] result = new FieldInfo [l.Count];
 405                         l.CopyTo (result);
 406                         return result;
 407                 }
 408
 409                 FieldInfo[] GetFieldsInternal (BindingFlags bf, MonoGenericClass reftype)
 410                 {
 411                         if (generic_type.num_fields == 0)
 412                                 return new FieldInfo [0];
 413
 414                         ArrayList l = new ArrayList ();
 415                         bool match;
 416                         FieldAttributes fattrs;
 417
 418                         initialize ();
 419
 420                         for (int i = 0; i < generic_type.num_fields; i++) {
 421                                 FieldInfo c = generic_type.fields [i];
 422
 423                                 match = false;
 424                                 fattrs = c.Attributes;
 425                                 if ((fattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 426                                         if ((bf & BindingFlags.Public) != 0)
 427                                                 match = true;
 428                                 } else {
 429                                         if ((bf & BindingFlags.NonPublic) != 0)
 430                                                 match = true;
 431                                 }
 432                                 if (!match)
 433                                         continue;
 434                                 match = false;
 435                                 if ((fattrs & FieldAttributes.Static) != 0) {
 436                                         if ((bf & BindingFlags.Static) != 0)
 437                                                 match = true;
 438                                 } else {
 439                                         if ((bf & BindingFlags.Instance) != 0)
 440                                                 match = true;
 441                                 }
 442                                 if (!match)
 443                                         continue;
 444                                 l.Add (TypeBuilder.GetField (this, c));
 445                         }
 446
 447                         FieldInfo[] result = new FieldInfo [l.Count];
 448                         l.CopyTo (result);
 449                         return result;
 450                 }
 451
 452                 public override PropertyInfo[] GetProperties (BindingFlags bf)
 453                 {
 454                         if (!generic_type.IsCompilerContext)
 455                                 throw new NotSupportedException ();
 456
 457                         ArrayList l = new ArrayList ();
 458
 459                         Type current_type = this;
 460                         do {
 461                                 MonoGenericClass gi = current_type as MonoGenericClass;
 462                                 if (gi != null)
 463                                         l.AddRange (gi.GetPropertiesInternal (bf, this));
 464                                 else if (current_type is TypeBuilder)
 465                                         l.AddRange (current_type.GetProperties (bf));
 466                                 else {
 467                                         MonoType mt = (MonoType) current_type;
 468                                         l.AddRange (mt.GetPropertiesByName (null, bf, false, this));
 469                                         break;
 470                                 }
 471
 472                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 473                                         break;
 474                                 current_type = current_type.BaseType;
 475                         } while (current_type != null);
 476
 477                         PropertyInfo[] result = new PropertyInfo [l.Count];
 478                         l.CopyTo (result);
 479                         return result;
 480                 }
 481
 482                 PropertyInfo[] GetPropertiesInternal (BindingFlags bf, MonoGenericClass reftype)
 483                 {
 484                         if (generic_type.properties == null)
 485                                 return new PropertyInfo [0];
 486
 487                         ArrayList l = new ArrayList ();
 488                         bool match;
 489                         MethodAttributes mattrs;
 490                         MethodInfo accessor;
 491
 492                         initialize ();
 493
 494                         foreach (PropertyInfo pinfo in generic_type.properties) {
 495                                 match = false;
 496                                 accessor = pinfo.GetGetMethod (true);
 497                                 if (accessor == null)
 498                                         accessor = pinfo.GetSetMethod (true);
 499                                 if (accessor == null)
 500                                         continue;
 501                                 mattrs = accessor.Attributes;
 502                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 503                                         if ((bf & BindingFlags.Public) != 0)
 504                                                 match = true;
 505                                 } else {
 506                                         if ((bf & BindingFlags.NonPublic) != 0)
 507                                                 match = true;
 508                                 }
 509                                 if (!match)
 510                                         continue;
 511                                 match = false;
 512                                 if ((mattrs & MethodAttributes.Static) != 0) {
 513                                         if ((bf & BindingFlags.Static) != 0)
 514                                                 match = true;
 515                                 } else {
 516                                         if ((bf & BindingFlags.Instance) != 0)
 517                                                 match = true;
 518                                 }
 519                                 if (!match)
 520                                         continue;
 521                                 l.Add (new PropertyOnTypeBuilderInst (reftype, pinfo));
 522                         }
 523                         PropertyInfo[] result = new PropertyInfo [l.Count];
 524                         l.CopyTo (result);
 525                         return result;
 526                 }
 527
 528                 public override EventInfo[] GetEvents (BindingFlags bf)
 529                 {
 530                         if (!generic_type.IsCompilerContext)
 531                                 throw new NotSupportedException ();
 532
 533                         ArrayList l = new ArrayList ();
 534
 535                         Type current_type = this;
 536                         do {
 537                                 MonoGenericClass gi = current_type as MonoGenericClass;
 538                                 if (gi != null)
 539                                         l.AddRange (gi.GetEventsInternal (bf, this));
 540                                 else if (current_type is TypeBuilder)
 541                                         l.AddRange (current_type.GetEvents (bf));
 542                                 else {
 543                                         MonoType mt = (MonoType) current_type;
 544                                         l.AddRange (mt.GetEvents (bf));
 545                                         break;
 546                                 }
 547
 548                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 549                                         break;
 550                                 current_type = current_type.BaseType;
 551                         } while (current_type != null);
 552
 553                         EventInfo[] result = new EventInfo [l.Count];
 554                         l.CopyTo (result);
 555                         return result;
 556                 }
 557
 558                 EventInfo[] GetEventsInternal (BindingFlags bf, MonoGenericClass reftype) {
 559                         if (generic_type.events == null)
 560                                 return new EventInfo [0];
 561
 562                         initialize ();
 563
 564                         ArrayList l = new ArrayList ();
 565                         bool match;
 566                         MethodAttributes mattrs;
 567                         MethodInfo accessor;
 568
 569                         for (int i = 0; i < event_count; ++i) {
 570                                 EventBuilder ev = generic_type.events [i];
 571
 572                                 match = false;
 573                                 accessor = ev.add_method;
 574                                 if (accessor == null)
 575                                         accessor = ev.remove_method;
 576                                 if (accessor == null)
 577                                         continue;
 578                                 mattrs = accessor.Attributes;
 579                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 580                                         if ((bf & BindingFlags.Public) != 0)
 581                                                 match = true;
 582                                 } else {
 583                                         if ((bf & BindingFlags.NonPublic) != 0)
 584                                                 match = true;
 585                                 }
 586                                 if (!match)
 587                                         continue;
 588                                 match = false;
 589                                 if ((mattrs & MethodAttributes.Static) != 0) {
 590                                         if ((bf & BindingFlags.Static) != 0)
 591                                                 match = true;
 592                                 } else {
 593                                         if ((bf & BindingFlags.Instance) != 0)
 594                                                 match = true;
 595                                 }
 596                                 if (!match)
 597                                         continue;
 598                                 l.Add (new EventOnTypeBuilderInst (this, ev));
 599                         }
 600                         EventInfo[] result = new EventInfo [l.Count];
 601                         l.CopyTo (result);
 602                         return result;
 603                 }
 604
 605                 public override Type[] GetNestedTypes (BindingFlags bf)
 606                 {
 607                         return generic_type.GetNestedTypes (bf);
 608                 }
 609
 610                 public override bool IsAssignableFrom (Type c)
 611                 {
 612                         if (c == this)
 613                                 return true;
 614
 615                         Type[] interfaces = GetInterfacesInternal ();
 616
 617                         if (c.IsInterface) {
 618                                 if (interfaces == null)
 619                                         return false;
 620                                 foreach (Type t in interfaces)
 621                                         if (c.IsAssignableFrom (t))
 622                                                 return true;
 623                                 return false;
 624                         }
 625
 626                         Type parent = GetParentType ();
 627                         if (parent == null)
 628                                 return c == typeof (object);
 629                         else
 630                                 return c.IsAssignableFrom (parent);
 631                 }
 632
 633                 public override Type UnderlyingSystemType {
 634                         get { return this; }
 635                 }
 636
 637                 public override string Name {
 638                         get { return generic_type.Name; }
 639                 }
 640
 641                 public override string Namespace {
 642                         get { return generic_type.Namespace; }
 643                 }
 644
 645                 public override string FullName {
 646                         get { return format_name (true, false); }
 647                 }
 648
 649                 public override string AssemblyQualifiedName {
 650                         get { return format_name (true, true); }
 651                 }
 652
 653                 public override Guid GUID {
 654                         get { throw new NotSupportedException (); }
 655                 }
 656
 657                 string format_name (bool full_name, bool assembly_qualified)
 658                 {
 659                         StringBuilder sb = new StringBuilder (generic_type.FullName);
 660                         bool compiler_ctx = generic_type.IsCompilerContext;
 661
 662                         sb.Append ("[");
 663                         for (int i = 0; i < type_arguments.Length; ++i) {
 664                                 if (i > 0)
 665                                         sb.Append (",");
 666
 667                                 string name = full_name ? type_arguments [i].AssemblyQualifiedName : type_arguments [i].ToString ();
 668                                 if (name == null) {
 669                                         if (compiler_ctx && type_arguments [i].IsGenericParameter)
 670                                                 name = type_arguments [i].Name;
 671                                         else
 672                                                 return null;
 673                                 }
 674                                 if (full_name)
 675                                         sb.Append ("[");
 676                                 sb.Append (name);
 677                                 if (full_name)
 678                                         sb.Append ("]");
 679                         }
 680                         sb.Append ("]");
 681                         if (assembly_qualified) {
 682                                 sb.Append (", ");
 683                                 sb.Append (generic_type.Assembly.FullName);
 684                         }
 685                         return sb.ToString ();
 686                 }
 687
 688                 public override string ToString ()
 689                 {
 690                         return format_name (false, false);
 691                 }
 692
 693                 public override Type MakeArrayType ()
 694                 {
 695                         return new ArrayType (this, 0);
 696                 }
 697
 698                 public override Type MakeArrayType (int rank)
 699                 {
 700                         if (rank < 1)
 701                                 throw new IndexOutOfRangeException ();
 702                         return new ArrayType (this, rank);
 703                 }
 704
 705                 public override Type MakeByRefType ()
 706                 {
 707                         return new ByRefType (this);
 708                 }
 709
 710                 public override Type MakePointerType ()
 711                 {
 712                         return new PointerType (this);
 713                 }
 714
 715                 /*public override Type GetElementType ()
 716                 {
 717                         throw new NotSupportedException ();
 718                 }*/
 719
 720                 protected override bool IsCOMObjectImpl ()
 721                 {
 722                         return false;
 723                 }
 724
 725                 protected override bool IsPrimitiveImpl ()
 726                 {
 727                         return false;
 728                 }
 729
 730                 /*
 731                 protected override bool IsArrayImpl ()
 732                 {
 733                         return false;
 734                 }
 735
 736                 protected override bool IsByRefImpl ()
 737                 {
 738                         return false;
 739                 }
 740
 741                 protected override bool IsPointerImpl ()
 742                 {
 743                         return false;
 744                 }*/
 745
 746                 protected override TypeAttributes GetAttributeFlagsImpl ()
 747                 {
 748                         return generic_type.Attributes;
 749                 }
 750
 751                 //stuff that throws
 752                 public override Type GetInterface (string name, bool ignoreCase)
 753                 {
 754                         throw new NotSupportedException ();
 755                 }
 756
 757                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
 758                 {
 759                         if (!generic_type.IsCompilerContext)
 760                                 throw new NotSupportedException ();
 761                         foreach (var evt in GetEvents (bindingAttr)) {
 762                                 if (evt.Name == name)
 763                                         return evt;
 764                         }
 765                         return null;
 766                 }
 767
 768                 public override FieldInfo GetField( string name, BindingFlags bindingAttr)
 769                 {
 770                         throw new NotSupportedException ();
 771                 }
 772
 773                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
 774                 {
 775                         throw new NotSupportedException ();
 776                 }
 777
 778                 public override Type GetNestedType (string name, BindingFlags bindingAttr)
 779                 {
 780                         throw new NotSupportedException ();
 781                 }
 782
 783                 public override object InvokeMember (string name, BindingFlags invokeAttr,
 784                                                      Binder binder, object target, object[] args,
 785                                                      ParameterModifier[] modifiers,
 786                                                      CultureInfo culture, string[] namedParameters)
 787                 {
 788                         throw new NotSupportedException ();
 789                 }
 790
 791                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder,
 792                                                              CallingConventions callConvention, Type[] types,
 793                                                              ParameterModifier[] modifiers)
 794                 {
 795                         throw new NotSupportedException ();
 796                 }
 797
 798                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr, Binder binder,
 799                                                                  Type returnType, Type[] types, ParameterModifier[] modifiers)
 800                 {
 801                         throw new NotSupportedException ();
 802                 }
 803
 804                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr,
 805                                                                        Binder binder,
 806                                                                        CallingConventions callConvention,
 807                                                                        Type[] types,
 808                                                                        ParameterModifier[] modifiers)
 809                 {
 810                         throw new NotSupportedException ();
 811                 }
 812
 813                 //MemberInfo
 814                 public override bool IsDefined (Type attributeType, bool inherit)
 815                 {
 816                         throw new NotSupportedException ();
 817                 }
 818
 819                 public override object [] GetCustomAttributes (bool inherit)
 820                 {
 821                         throw new NotSupportedException ();
 822                 }
 823
 824                 public override object [] GetCustomAttributes (Type attributeType, bool inherit)
 825                 {
 826                         throw new NotSupportedException ();
 827                 }
 828         }
 829 }
 830