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
  41 #if NET_2_0 || BOOTSTRAP_NET_2_0
  42
  43 namespace System.Reflection
  44 {
  45         /*
  46          * MonoGenericClass represents an instantiation of a generic TypeBuilder. MS
  47          * calls this class TypeBuilderInstantiation (a much better name). MS returns
  48          * NotImplementedException for many of the methods but we can't do that as gmcs
  49          * depends on them.
  50          */
  51         internal class MonoGenericClass : MonoType
  52         {
  53                 #region Keep in sync with object-internals.h
  54 #pragma warning disable 649
  55                 protected TypeBuilder generic_type;
  56                 bool initialized;
  57 #pragma warning restore 649
  58                 #endregion
  59
  60                 Hashtable fields, ctors, methods;
  61
  62                 internal MonoGenericClass ()
  63                         : base (null)
  64                 {
  65                         // this should not be used
  66                         throw new InvalidOperationException ();
  67                 }
  68
  69                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  70                 protected extern void initialize (MethodInfo[] methods, ConstructorInfo[] ctors, FieldInfo[] fields, PropertyInfo[] properties, EventInfo[] events);
  71
  72                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  73                 extern MethodInfo GetCorrespondingInflatedMethod (MethodInfo generic);
  74
  75                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  76                 extern FieldInfo GetCorrespondingInflatedField (string generic);
  77
  78                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  79                 extern ConstructorInfo GetCorrespondingInflatedConstructor (ConstructorInfo generic);
  80
  81                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  82                 protected extern MethodInfo[] GetMethods_internal (Type reflected_type);
  83
  84                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  85                 protected extern ConstructorInfo[] GetConstructors_internal (Type reflected_type);
  86
  87                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  88                 protected extern FieldInfo[] GetFields_internal (Type reflected_type);
  89
  90                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  91                 protected extern PropertyInfo[] GetProperties_internal (Type reflected_type);
  92
  93                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  94                 protected extern EventInfo[] GetEvents_internal (Type reflected_type);
  95
  96                 private const BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic |
  97                 BindingFlags.Static | BindingFlags.Instance | BindingFlags.DeclaredOnly;
  98
  99                 void initialize ()
 100                 {
 101                         if (initialized)
 102                                 return;
 103
 104                         MonoGenericClass parent = GetParentType () as MonoGenericClass;
 105                         if (parent != null)
 106                                 parent.initialize ();
 107
 108                         initialize (generic_type.GetMethods (flags),
 109                                                 generic_type.GetConstructors (flags),
 110                                                 generic_type.GetFields (flags),
 111                                                 generic_type.GetProperties (flags),
 112                                                 generic_type.GetEvents_internal (flags));
 113
 114                         initialized = true;
 115                 }
 116
 117                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 118                 protected extern Type GetParentType ();
 119
 120                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 121                 private extern Type InflateType_internal (Type type);
 122
 123                 internal Type InflateType (Type type)
 124                 {
 125                         if (type == null)
 126                                 return null;
 127                         if (!type.IsGenericParameter && !type.ContainsGenericParameters)
 128                                 return type;
 129                         return InflateType_internal (type);
 130                 }
 131
 132                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 133                 protected extern MonoGenericClass[] GetInterfaces_internal ();
 134
 135                 public override Type BaseType {
 136                         get {
 137                                 Type parent = GetParentType ();
 138                                 return parent != null ? parent : generic_type.BaseType;
 139                         }
 140                 }
 141
 142                 public override Type[] GetInterfaces ()
 143                 {
 144                         return GetInterfaces_internal ();
 145                 }
 146
 147                 protected override bool IsValueTypeImpl ()
 148                 {
 149                         return generic_type.IsValueType;
 150                 }
 151
 152                 internal override MethodInfo GetMethod (MethodInfo fromNoninstanciated)
 153                 {
 154                         initialize ();
 155
 156 #if NET_2_0
 157                         if (fromNoninstanciated is MethodOnTypeBuilderInst) {
 158                                 MethodOnTypeBuilderInst mbinst = (MethodOnTypeBuilderInst)fromNoninstanciated;
 159                                 if (((ModuleBuilder)mbinst.mb.Module).assemblyb.IsCompilerContext)
 160                                         fromNoninstanciated = mbinst.mb;
 161                                 else
 162                                         throw new ArgumentException ("method declaring type is not the generic type definition of type", "method");
 163                         }
 164
 165                         if (fromNoninstanciated is MethodBuilder) {
 166                                 MethodBuilder mb = (MethodBuilder)fromNoninstanciated;
 167
 168                                 // FIXME: We can't yet handle creating generic instantiations of
 169                                 // MethodOnTypeBuilderInst objects
 170                                 // Also, mono_image_get_method_on_inst_token () can't handle generic
 171                                 // methods
 172                                 if (!mb.IsGenericMethodDefinition) {
 173                                         if (methods == null)
 174                                                 methods = new Hashtable ();
 175                                         if (!methods.ContainsKey (mb))
 176                                                 methods [mb] = new MethodOnTypeBuilderInst (this, mb);
 177                                         return (MethodInfo)methods [mb];
 178                                 }
 179                         }
 180 #endif
 181
 182                         return GetCorrespondingInflatedMethod (fromNoninstanciated);
 183                 }
 184
 185                 internal override ConstructorInfo GetConstructor (ConstructorInfo fromNoninstanciated)
 186                 {
 187                         initialize ();
 188
 189 #if NET_2_0
 190                         if (fromNoninstanciated is ConstructorBuilder) {
 191                                 ConstructorBuilder cb = (ConstructorBuilder)fromNoninstanciated;
 192                                 if (ctors == null)
 193                                         ctors = new Hashtable ();
 194                                 if (!ctors.ContainsKey (cb))
 195                                         ctors [cb] = new ConstructorOnTypeBuilderInst (this, cb);
 196                                 return (ConstructorInfo)ctors [cb];
 197                         }
 198
 199 #endif
 200                         return GetCorrespondingInflatedConstructor (fromNoninstanciated);
 201                 }
 202
 203                 internal override FieldInfo GetField (FieldInfo fromNoninstanciated)
 204                 {
 205                         initialize ();
 206
 207 #if NET_2_0
 208                         if (fromNoninstanciated is FieldBuilder) {
 209                                 FieldBuilder fb = (FieldBuilder)fromNoninstanciated;
 210                                 if (fields == null)
 211                                         fields = new Hashtable ();
 212                                 if (!fields.ContainsKey (fb))
 213                                         fields [fb] = new FieldOnTypeBuilderInst (this, fb);
 214                                 return (FieldInfo)fields [fb];
 215                         }
 216 #endif
 217                         return GetCorrespondingInflatedField (fromNoninstanciated.Name);
 218                 }
 219
 220                 public override MethodInfo[] GetMethods (BindingFlags bf)
 221                 {
 222                         ArrayList l = new ArrayList ();
 223
 224                         //
 225                         // Walk up our class hierarchy and retrieve methods from our
 226                         // parent classes.
 227                         //
 228
 229                         Type current_type = this;
 230                         do {
 231                                 MonoGenericClass gi = current_type as MonoGenericClass;
 232                                 if (gi != null)
 233                                         l.AddRange (gi.GetMethods_impl (bf, this));
 234                                 else if (current_type is TypeBuilder)
 235                                         l.AddRange (current_type.GetMethods (bf));
 236                                 else {
 237                                         // If we encounter a `MonoType', its
 238                                         // GetMethodsByName() will return all the methods
 239                                         // from its parent type(s), so we can stop here.
 240                                         MonoType mt = (MonoType) current_type;
 241                                         l.AddRange (mt.GetMethodsByName (null, bf, false, this));
 242                                         break;
 243                                 }
 244
 245                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 246                                         break;
 247                                 current_type = current_type.BaseType;
 248                         } while (current_type != null);
 249
 250                         MethodInfo[] result = new MethodInfo [l.Count];
 251                         l.CopyTo (result);
 252                         return result;
 253                 }
 254
 255                 protected MethodInfo[] GetMethods_impl (BindingFlags bf, Type reftype)
 256                 {
 257                         ArrayList l = new ArrayList ();
 258                         bool match;
 259                         MethodAttributes mattrs;
 260
 261                         initialize ();
 262
 263                         MethodInfo[] methods = GetMethods_internal (reftype);
 264
 265                         for (int i = 0; i < methods.Length; i++) {
 266                                 MethodInfo c = methods [i];
 267
 268                                 match = false;
 269                                 mattrs = c.Attributes;
 270                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 271                                         if ((bf & BindingFlags.Public) != 0)
 272                                                 match = true;
 273                                 } else {
 274                                         if ((bf & BindingFlags.NonPublic) != 0)
 275                                                 match = true;
 276                                 }
 277                                 if (!match)
 278                                         continue;
 279                                 match = false;
 280                                 if ((mattrs & MethodAttributes.Static) != 0) {
 281                                         if ((bf & BindingFlags.Static) != 0)
 282                                                 match = true;
 283                                 } else {
 284                                         if ((bf & BindingFlags.Instance) != 0)
 285                                                 match = true;
 286                                 }
 287                                 if (!match)
 288                                         continue;
 289                                 l.Add (c);
 290                         }
 291                         MethodInfo[] result = new MethodInfo [l.Count];
 292                         l.CopyTo (result);
 293                         return result;
 294                 }
 295
 296                 public override ConstructorInfo[] GetConstructors (BindingFlags bf)
 297                 {
 298                         ArrayList l = new ArrayList ();
 299
 300                         Type current_type = this;
 301                         do {
 302                                 MonoGenericClass gi = current_type as MonoGenericClass;
 303                                 if (gi != null)
 304                                         l.AddRange (gi.GetConstructors_impl (bf, this));
 305                                 else if (current_type is TypeBuilder)
 306                                         l.AddRange (current_type.GetConstructors (bf));
 307                                 else {
 308                                         MonoType mt = (MonoType) current_type;
 309                                         l.AddRange (mt.GetConstructors_internal (bf, this));
 310                                         break;
 311                                 }
 312
 313                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 314                                         break;
 315                                 current_type = current_type.BaseType;
 316                         } while (current_type != null);
 317
 318                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 319                         l.CopyTo (result);
 320                         return result;
 321                 }
 322
 323                 protected ConstructorInfo[] GetConstructors_impl (BindingFlags bf, Type reftype)
 324                 {
 325                         ArrayList l = new ArrayList ();
 326                         bool match;
 327                         MethodAttributes mattrs;
 328
 329                         initialize ();
 330
 331                         ConstructorInfo[] ctors = GetConstructors_internal (reftype);
 332
 333                         for (int i = 0; i < ctors.Length; i++) {
 334                                 ConstructorInfo c = ctors [i];
 335
 336                                 match = false;
 337                                 mattrs = c.Attributes;
 338                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 339                                         if ((bf & BindingFlags.Public) != 0)
 340                                                 match = true;
 341                                 } else {
 342                                         if ((bf & BindingFlags.NonPublic) != 0)
 343                                                 match = true;
 344                                 }
 345                                 if (!match)
 346                                         continue;
 347                                 match = false;
 348                                 if ((mattrs & MethodAttributes.Static) != 0) {
 349                                         if ((bf & BindingFlags.Static) != 0)
 350                                                 match = true;
 351                                 } else {
 352                                         if ((bf & BindingFlags.Instance) != 0)
 353                                                 match = true;
 354                                 }
 355                                 if (!match)
 356                                         continue;
 357                                 l.Add (c);
 358                         }
 359
 360                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 361                         l.CopyTo (result);
 362                         return result;
 363                 }
 364
 365                 public override FieldInfo[] GetFields (BindingFlags bf)
 366                 {
 367                         ArrayList l = new ArrayList ();
 368
 369                         Type current_type = this;
 370                         do {
 371                                 MonoGenericClass gi = current_type as MonoGenericClass;
 372                                 if (gi != null)
 373                                         l.AddRange (gi.GetFields_impl (bf, this));
 374                                 else if (current_type is TypeBuilder)
 375                                         l.AddRange (current_type.GetFields (bf));
 376                                 else {
 377                                         MonoType mt = (MonoType) current_type;
 378                                         l.AddRange (mt.GetFields_internal (bf, this));
 379                                         break;
 380                                 }
 381
 382                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 383                                         break;
 384                                 current_type = current_type.BaseType;
 385                         } while (current_type != null);
 386
 387                         FieldInfo[] result = new FieldInfo [l.Count];
 388                         l.CopyTo (result);
 389                         return result;
 390                 }
 391
 392                 protected FieldInfo[] GetFields_impl (BindingFlags bf, Type reftype)
 393                 {
 394                         ArrayList l = new ArrayList ();
 395                         bool match;
 396                         FieldAttributes fattrs;
 397
 398                         initialize ();
 399
 400                         FieldInfo[] fields = GetFields_internal (reftype);
 401
 402                         for (int i = 0; i < fields.Length; i++) {
 403                                 FieldInfo c = fields [i];
 404
 405                                 match = false;
 406                                 fattrs = c.Attributes;
 407                                 if ((fattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 408                                         if ((bf & BindingFlags.Public) != 0)
 409                                                 match = true;
 410                                 } else {
 411                                         if ((bf & BindingFlags.NonPublic) != 0)
 412                                                 match = true;
 413                                 }
 414                                 if (!match)
 415                                         continue;
 416                                 match = false;
 417                                 if ((fattrs & FieldAttributes.Static) != 0) {
 418                                         if ((bf & BindingFlags.Static) != 0)
 419                                                 match = true;
 420                                 } else {
 421                                         if ((bf & BindingFlags.Instance) != 0)
 422                                                 match = true;
 423                                 }
 424                                 if (!match)
 425                                         continue;
 426                                 l.Add (c);
 427                         }
 428                         FieldInfo[] result = new FieldInfo [l.Count];
 429                         l.CopyTo (result);
 430                         return result;
 431                 }
 432
 433                 public override PropertyInfo[] GetProperties (BindingFlags bf)
 434                 {
 435                         ArrayList l = new ArrayList ();
 436
 437                         Type current_type = this;
 438                         do {
 439                                 MonoGenericClass gi = current_type as MonoGenericClass;
 440                                 if (gi != null)
 441                                         l.AddRange (gi.GetProperties_impl (bf, this));
 442                                 else if (current_type is TypeBuilder)
 443                                         l.AddRange (current_type.GetProperties (bf));
 444                                 else {
 445                                         MonoType mt = (MonoType) current_type;
 446                                         l.AddRange (mt.GetPropertiesByName (null, bf, false, this));
 447                                         break;
 448                                 }
 449
 450                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 451                                         break;
 452                                 current_type = current_type.BaseType;
 453                         } while (current_type != null);
 454
 455                         PropertyInfo[] result = new PropertyInfo [l.Count];
 456                         l.CopyTo (result);
 457                         return result;
 458                 }
 459
 460                 protected PropertyInfo[] GetProperties_impl (BindingFlags bf, Type reftype)
 461                 {
 462                         ArrayList l = new ArrayList ();
 463                         bool match;
 464                         MethodAttributes mattrs;
 465                         MethodInfo accessor;
 466
 467                         initialize ();
 468
 469                         PropertyInfo[] properties = GetProperties_internal (reftype);
 470
 471                         for (int i = 0; i < properties.Length; i++) {
 472                                 PropertyInfo c = properties [i];
 473
 474                                 match = false;
 475                                 accessor = c.GetGetMethod (true);
 476                                 if (accessor == null)
 477                                         accessor = c.GetSetMethod (true);
 478                                 if (accessor == null)
 479                                         continue;
 480                                 mattrs = accessor.Attributes;
 481                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 482                                         if ((bf & BindingFlags.Public) != 0)
 483                                                 match = true;
 484                                 } else {
 485                                         if ((bf & BindingFlags.NonPublic) != 0)
 486                                                 match = true;
 487                                 }
 488                                 if (!match)
 489                                         continue;
 490                                 match = false;
 491                                 if ((mattrs & MethodAttributes.Static) != 0) {
 492                                         if ((bf & BindingFlags.Static) != 0)
 493                                                 match = true;
 494                                 } else {
 495                                         if ((bf & BindingFlags.Instance) != 0)
 496                                                 match = true;
 497                                 }
 498                                 if (!match)
 499                                         continue;
 500                                 l.Add (c);
 501                         }
 502                         PropertyInfo[] result = new PropertyInfo [l.Count];
 503                         l.CopyTo (result);
 504                         return result;
 505                 }
 506
 507                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr,
 508                                                                  Binder binder, Type returnType,
 509                                                                  Type[] types,
 510                                                                  ParameterModifier[] modifiers)
 511                 {
 512                         bool ignoreCase = ((bindingAttr & BindingFlags.IgnoreCase) != 0);
 513                         PropertyInfo [] props = GetProperties (bindingAttr);
 514
 515                         ArrayList al = null;
 516                         for (int i = 0; i < props.Length; ++i) {
 517                                 if (String.Compare (props [i].Name, name, ignoreCase) == 0) {
 518                                         if (al == null)
 519                                                 al = new ArrayList ();
 520                                         al.Add (props [i]);
 521                                 }
 522                         }
 523                         if (al == null)
 524                                 return null;
 525
 526                         props = (PropertyInfo[])al.ToArray (typeof (PropertyInfo));
 527
 528                         int count = props.Length;
 529
 530                         if (count == 1 && (types == null || types.Length == 0) &&
 531                             (returnType == null || returnType == props[0].PropertyType))
 532                                 return props [0];
 533
 534                         if (binder == null)
 535                                 binder = Binder.DefaultBinder;
 536
 537                         return binder.SelectProperty (bindingAttr, props, returnType, types, modifiers);
 538                 }
 539
 540                 public override EventInfo[] GetEvents (BindingFlags bf)
 541                 {
 542                         ArrayList l = new ArrayList ();
 543
 544                         Type current_type = this;
 545                         do {
 546                                 MonoGenericClass gi = current_type as MonoGenericClass;
 547                                 if (gi != null)
 548                                         l.AddRange (gi.GetEvents_impl (bf, this));
 549                                 else if (current_type is TypeBuilder)
 550                                         l.AddRange (current_type.GetEvents (bf));
 551                                 else {
 552                                         MonoType mt = (MonoType) current_type;
 553                                         l.AddRange (mt.GetEvents (bf));
 554                                         break;
 555                                 }
 556
 557                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 558                                         break;
 559                                 current_type = current_type.BaseType;
 560                         } while (current_type != null);
 561
 562                         EventInfo[] result = new EventInfo [l.Count];
 563                         l.CopyTo (result);
 564                         return result;
 565                 }
 566
 567                 protected EventInfo[] GetEvents_impl (BindingFlags bf, Type reftype)
 568                 {
 569                         ArrayList l = new ArrayList ();
 570                         bool match;
 571                         MethodAttributes mattrs;
 572                         MethodInfo accessor;
 573
 574                         initialize ();
 575
 576                         EventInfo[] events = GetEvents_internal (reftype);
 577
 578                         for (int i = 0; i < events.Length; i++) {
 579                                 EventInfo c = events [i];
 580
 581                                 match = false;
 582                                 accessor = c.GetAddMethod (true);
 583                                 if (accessor == null)
 584                                         accessor = c.GetRemoveMethod (true);
 585                                 if (accessor == null)
 586                                         continue;
 587                                 mattrs = accessor.Attributes;
 588                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 589                                         if ((bf & BindingFlags.Public) != 0)
 590                                                 match = true;
 591                                 } else {
 592                                         if ((bf & BindingFlags.NonPublic) != 0)
 593                                                 match = true;
 594                                 }
 595                                 if (!match)
 596                                         continue;
 597                                 match = false;
 598                                 if ((mattrs & MethodAttributes.Static) != 0) {
 599                                         if ((bf & BindingFlags.Static) != 0)
 600                                                 match = true;
 601                                 } else {
 602                                         if ((bf & BindingFlags.Instance) != 0)
 603                                                 match = true;
 604                                 }
 605                                 if (!match)
 606                                         continue;
 607                                 l.Add (c);
 608                         }
 609                         EventInfo[] result = new EventInfo [l.Count];
 610                         l.CopyTo (result);
 611                         return result;
 612                 }
 613
 614                 public override Type[] GetNestedTypes (BindingFlags bf)
 615                 {
 616                         return generic_type.GetNestedTypes (bf);
 617                 }
 618
 619                 public override bool IsAssignableFrom (Type c)
 620                 {
 621                         if (c == this)
 622                                 return true;
 623
 624                         MonoGenericClass[] interfaces = GetInterfaces_internal ();
 625
 626                         if (c.IsInterface) {
 627                                 if (interfaces == null)
 628                                         return false;
 629                                 foreach (Type t in interfaces)
 630                                         if (c.IsAssignableFrom (t))
 631                                                 return true;
 632                                 return false;
 633                         }
 634
 635                         Type parent = GetParentType ();
 636                         if (parent == null)
 637                                 return c == typeof (object);
 638                         else
 639                                 return c.IsAssignableFrom (parent);
 640                 }
 641         }
 642 }
 643
 644 #endif