mcs/class/corlib/System/MonoType.cs

   1 //
   2 // System.MonoType
   3 //
   4 // Authors:
   5 //      Sean MacIsaac (macisaac@ximian.com)
   6 //      Paolo Molaro (lupus@ximian.com)
   7 //      Patrik Torstensson (patrik.torstensson@labs2.com)
   8 //      Gonzalo Paniagua (gonzalo@ximian.com)
   9 //
  10 // (c) 2001-2003 Ximian, Inc.
  11 // Copyright (C) 2003-2005 Novell, Inc (http://www.novell.com)
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System.Collections.Generic;
  34 using System.Globalization;
  35 using System.Reflection;
  36 using System.Runtime.CompilerServices;
  37 using System.Runtime.Serialization;
  38 using System.Security;
  39
  40 namespace System
  41 {
  42         // Contains information about the type which is expensive to compute
  43         internal class MonoTypeInfo {
  44                 public string full_name;
  45                 public ConstructorInfo default_ctor;
  46         }
  47
  48         [Serializable]
  49         internal class MonoType : Type, ISerializable
  50         {
  51                 [NonSerialized]
  52                 MonoTypeInfo type_info;
  53
  54                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  55                 private static extern void type_from_obj (MonoType type, Object obj);
  56
  57                 internal MonoType (Object obj)
  58                 {
  59                         // this should not be used - lupus
  60                         type_from_obj (this, obj);
  61
  62                         throw new NotImplementedException ();
  63                 }
  64
  65                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  66                 private static extern TypeAttributes get_attributes (Type type);
  67
  68                 internal ConstructorInfo GetDefaultConstructor () {
  69                         ConstructorInfo ctor = null;
  70
  71                         if (type_info == null)
  72                                 type_info = new MonoTypeInfo ();
  73                         if ((ctor = type_info.default_ctor) == null) {
  74                                 const BindingFlags flags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.NonPublic;
  75
  76                                 ctor = type_info.default_ctor = GetConstructor (flags,  null, CallingConventions.Any, Type.EmptyTypes, null);
  77                         }
  78
  79                         return ctor;
  80                 }
  81
  82                 protected override TypeAttributes GetAttributeFlagsImpl ()
  83                 {
  84                         return get_attributes (this);
  85                 }
  86
  87                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr,
  88                                                                        Binder binder,
  89                                                                        CallingConventions callConvention,
  90                                                                        Type[] types,
  91                                                                        ParameterModifier[] modifiers)
  92                 {
  93                         ConstructorInfo[] methods = GetConstructors (bindingAttr);
  94                         return GetConstructorImpl (methods, bindingAttr, binder, callConvention, types, modifiers);
  95                 }
  96
  97                 internal static ConstructorInfo GetConstructorImpl (ConstructorInfo[] methods, BindingFlags bindingAttr,
  98                                                                        Binder binder,
  99                                                                        CallingConventions callConvention,
 100                                                                        Type[] types,
 101                                                                        ParameterModifier[] modifiers)
 102                 {
 103                         if (bindingAttr == BindingFlags.Default)
 104                                 bindingAttr = BindingFlags.Public | BindingFlags.Instance;
 105
 106                         ConstructorInfo found = null;
 107                         MethodBase[] match;
 108                         int count = 0;
 109                         foreach (ConstructorInfo m in methods) {
 110                                 // Under MS.NET, Standard|HasThis matches Standard...
 111                                 if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
 112                                         continue;
 113                                 found = m;
 114                                 count++;
 115                         }
 116                         if (count == 0)
 117                                 return null;
 118                         if (types == null) {
 119                                 if (count > 1)
 120                                         throw new AmbiguousMatchException ();
 121                                 return (ConstructorInfo) CheckMethodSecurity (found);
 122                         }
 123                         match = new MethodBase [count];
 124                         if (count == 1)
 125                                 match [0] = found;
 126                         else {
 127                                 count = 0;
 128                                 foreach (ConstructorInfo m in methods) {
 129                                         if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
 130                                                 continue;
 131                                         match [count++] = m;
 132                                 }
 133                         }
 134                         if (binder == null)
 135                                 binder = Binder.DefaultBinder;
 136                         return (ConstructorInfo) CheckMethodSecurity (binder.SelectMethod (bindingAttr, match, types, modifiers));
 137                 }
 138
 139                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 140                 internal extern ConstructorInfo[] GetConstructors_internal (BindingFlags bindingAttr, Type reflected_type);
 141
 142                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 143                 {
 144                         return GetConstructors_internal (bindingAttr, this);
 145                 }
 146
 147                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 148                 extern EventInfo InternalGetEvent (string name, BindingFlags bindingAttr);
 149
 150                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
 151                 {
 152                         if (name == null)
 153                                 throw new ArgumentNullException ("name");
 154
 155                         return InternalGetEvent (name, bindingAttr);
 156                 }
 157
 158                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 159                 internal extern EventInfo[] GetEvents_internal (BindingFlags bindingAttr, Type reflected_type);
 160
 161                 public override EventInfo[] GetEvents (BindingFlags bindingAttr)
 162                 {
 163                         return GetEvents_internal (bindingAttr, this);
 164                 }
 165
 166                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 167                 public extern override FieldInfo GetField (string name, BindingFlags bindingAttr);
 168
 169                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 170                 internal extern FieldInfo[] GetFields_internal (BindingFlags bindingAttr, Type reflected_type);
 171
 172                 public override FieldInfo[] GetFields (BindingFlags bindingAttr)
 173                 {
 174                         return GetFields_internal (bindingAttr, this);
 175                 }
 176
 177                 public override Type GetInterface (string name, bool ignoreCase)
 178                 {
 179                         if (name == null)
 180                                 throw new ArgumentNullException ();
 181
 182                         Type[] interfaces = GetInterfaces();
 183
 184                         foreach (Type type in interfaces) {
 185                                 /*We must compare against the generic type definition*/
 186                                 Type t = type.IsGenericType ? type.GetGenericTypeDefinition () : type;
 187
 188                                 if (String.Compare (t.Name, name, ignoreCase, CultureInfo.InvariantCulture) == 0)
 189                                         return type;
 190                                 if (String.Compare (t.FullName, name, ignoreCase, CultureInfo.InvariantCulture) == 0)
 191                                         return type;
 192                         }
 193
 194                         return null;
 195                 }
 196
 197                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 198                 public extern override Type[] GetInterfaces();
 199
 200                 public override MemberInfo[] GetMembers( BindingFlags bindingAttr)
 201                 {
 202                         return FindMembers (MemberTypes.All, bindingAttr, null, null);
 203                 }
 204
 205                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 206                 internal extern MethodInfo [] GetMethodsByName (string name, BindingFlags bindingAttr, bool ignoreCase, Type reflected_type);
 207
 208                 public override MethodInfo [] GetMethods (BindingFlags bindingAttr)
 209                 {
 210                         return GetMethodsByName (null, bindingAttr, false, this);
 211                 }
 212
 213                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr,
 214                                                              Binder binder,
 215                                                              CallingConventions callConvention,
 216                                                              Type[] types, ParameterModifier[] modifiers)
 217                 {
 218                         bool ignoreCase = ((bindingAttr & BindingFlags.IgnoreCase) != 0);
 219                         MethodInfo[] methods = GetMethodsByName (name, bindingAttr, ignoreCase, this);
 220                         MethodInfo found = null;
 221                         MethodBase[] match;
 222                         int count = 0;
 223
 224                         foreach (MethodInfo m in methods) {
 225                                 // Under MS.NET, Standard|HasThis matches Standard...
 226                                 if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
 227                                         continue;
 228                                 found = m;
 229                                 count++;
 230                         }
 231
 232                         if (count == 0)
 233                                 return null;
 234
 235                         if (count == 1 && types == null)
 236                                 return (MethodInfo) CheckMethodSecurity (found);
 237
 238                         match = new MethodBase [count];
 239                         if (count == 1)
 240                                 match [0] = found;
 241                         else {
 242                                 count = 0;
 243                                 foreach (MethodInfo m in methods) {
 244                                         if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
 245                                                 continue;
 246                                         match [count++] = m;
 247                                 }
 248                         }
 249
 250                         if (types == null)
 251                                 return (MethodInfo) CheckMethodSecurity (Binder.FindMostDerivedMatch (match));
 252
 253                         if (binder == null)
 254                                 binder = Binder.DefaultBinder;
 255
 256                         return (MethodInfo) CheckMethodSecurity (binder.SelectMethod (bindingAttr, match, types, modifiers));
 257                 }
 258
 259                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 260                 extern MethodInfo GetCorrespondingInflatedMethod (MethodInfo generic);
 261
 262                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 263                 extern ConstructorInfo GetCorrespondingInflatedConstructor (ConstructorInfo generic);
 264
 265                 internal override MethodInfo GetMethod (MethodInfo fromNoninstanciated)
 266                 {
 267                         if (fromNoninstanciated == null)
 268                                 throw new ArgumentNullException ("fromNoninstanciated");
 269                         return GetCorrespondingInflatedMethod (fromNoninstanciated);
 270                 }
 271
 272                 internal override ConstructorInfo GetConstructor (ConstructorInfo fromNoninstanciated)
 273                 {
 274                         if (fromNoninstanciated == null)
 275                                 throw new ArgumentNullException ("fromNoninstanciated");
 276                         return GetCorrespondingInflatedConstructor (fromNoninstanciated);
 277                 }
 278
 279                 internal override FieldInfo GetField (FieldInfo fromNoninstanciated)
 280                 {
 281                         /* create sensible flags from given FieldInfo */
 282                         BindingFlags flags = fromNoninstanciated.IsStatic ? BindingFlags.Static : BindingFlags.Instance;
 283                         flags |= fromNoninstanciated.IsPublic ? BindingFlags.Public : BindingFlags.NonPublic;
 284                         return GetField (fromNoninstanciated.Name, flags);
 285                 }
 286
 287                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 288                 public extern override Type GetNestedType (string name, BindingFlags bindingAttr);
 289
 290                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 291                 public extern override Type[] GetNestedTypes (BindingFlags bindingAttr);
 292
 293                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 294                 internal extern PropertyInfo[] GetPropertiesByName (string name, BindingFlags bindingAttr, bool icase, Type reflected_type);
 295
 296                 public override PropertyInfo [] GetProperties (BindingFlags bindingAttr)
 297                 {
 298                         return GetPropertiesByName (null, bindingAttr, false, this);
 299                 }
 300
 301                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr,
 302                                                                  Binder binder, Type returnType,
 303                                                                  Type[] types,
 304                                                                  ParameterModifier[] modifiers)
 305                 {
 306                         bool ignoreCase = ((bindingAttr & BindingFlags.IgnoreCase) != 0);
 307                         PropertyInfo [] props = GetPropertiesByName (name, bindingAttr, ignoreCase, this);
 308                         int count = props.Length;
 309                         if (count == 0)
 310                                 return null;
 311
 312                         if (count == 1 && (types == null || types.Length == 0) &&
 313                             (returnType == null || returnType == props[0].PropertyType))
 314                                 return props [0];
 315
 316                         if (binder == null)
 317                                 binder = Binder.DefaultBinder;
 318
 319                         return binder.SelectProperty (bindingAttr, props, returnType, types, modifiers);
 320                 }
 321
 322                 protected override bool HasElementTypeImpl ()
 323                 {
 324                         return IsArrayImpl() || IsByRefImpl() || IsPointerImpl ();
 325                 }
 326
 327                 protected override bool IsArrayImpl ()
 328                 {
 329                         return Type.IsArrayImpl (this);
 330                 }
 331
 332                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 333                 protected extern override bool IsByRefImpl ();
 334
 335                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 336                 protected extern override bool IsCOMObjectImpl ();
 337
 338                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 339                 protected extern override bool IsPointerImpl ();
 340
 341                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 342                 protected extern override bool IsPrimitiveImpl ();
 343
 344                 public override bool IsSubclassOf (Type type)
 345                 {
 346                         if (type == null)
 347                                 throw new ArgumentNullException ("type");
 348
 349                         return base.IsSubclassOf (type);
 350                 }
 351
 352                 public override object InvokeMember (string name, BindingFlags invokeAttr,
 353                                                      Binder binder, object target, object[] args,
 354                                                      ParameterModifier[] modifiers,
 355                                                      CultureInfo culture, string[] namedParameters)
 356                 {
 357                         const string bindingflags_arg = "bindingFlags";
 358
 359
 360                         if ((invokeAttr & BindingFlags.CreateInstance) != 0) {
 361                                 if ((invokeAttr & (BindingFlags.GetField |
 362                                                 BindingFlags.GetField | BindingFlags.GetProperty |
 363                                                 BindingFlags.SetProperty)) != 0)
 364                                         throw new ArgumentException (bindingflags_arg);
 365                         } else if (name == null)
 366                                 throw new ArgumentNullException ("name");
 367                         if ((invokeAttr & BindingFlags.GetField) != 0 && (invokeAttr & BindingFlags.SetField) != 0)
 368                                 throw new ArgumentException ("Cannot specify both Get and Set on a field.", bindingflags_arg);
 369                         if ((invokeAttr & BindingFlags.GetProperty) != 0 && (invokeAttr & BindingFlags.SetProperty) != 0)
 370                                 throw new ArgumentException ("Cannot specify both Get and Set on a property.", bindingflags_arg);
 371                         if ((invokeAttr & BindingFlags.InvokeMethod) != 0) {
 372                                 if ((invokeAttr & BindingFlags.SetField) != 0)
 373                                         throw new ArgumentException ("Cannot specify Set on a field and Invoke on a method.", bindingflags_arg);
 374                                 if ((invokeAttr & BindingFlags.SetProperty) != 0)
 375                                         throw new ArgumentException ("Cannot specify Set on a property and Invoke on a method.", bindingflags_arg);
 376                         }
 377                         if ((namedParameters != null) && ((args == null) || args.Length < namedParameters.Length))
 378                                 throw new ArgumentException ("namedParameters cannot be more than named arguments in number");
 379                         if ((invokeAttr & (BindingFlags.InvokeMethod|BindingFlags.CreateInstance|BindingFlags.GetField|BindingFlags.SetField|BindingFlags.GetProperty|BindingFlags.SetProperty)) == 0)
 380                                 throw new ArgumentException ("Must specify binding flags describing the invoke operation required.", bindingflags_arg);
 381
 382                         /* set some defaults if none are provided :-( */
 383                         if ((invokeAttr & (BindingFlags.Public|BindingFlags.NonPublic)) == 0)
 384                                 invokeAttr |= BindingFlags.Public;
 385                         if ((invokeAttr & (BindingFlags.Static|BindingFlags.Instance)) == 0)
 386                                 invokeAttr |= BindingFlags.Static|BindingFlags.Instance;
 387
 388                         if (binder == null)
 389                                 binder = Binder.DefaultBinder;
 390                         if ((invokeAttr & BindingFlags.CreateInstance) != 0) {
 391                                 /* the name is ignored */
 392                                 invokeAttr |= BindingFlags.DeclaredOnly;
 393                                 ConstructorInfo[] ctors = GetConstructors (invokeAttr);
 394                                 object state = null;
 395                                 MethodBase ctor = binder.BindToMethod (invokeAttr, ctors, ref args, modifiers, culture, namedParameters, out state);
 396                                 if (ctor == null) {
 397                                         if (this.IsValueType && args == null)
 398                                                 return Activator.CreateInstanceInternal (this);
 399
 400                                         throw new MissingMethodException ("Constructor on type '" + FullName + "' not found.");
 401                                 }
 402                                 object result = ctor.Invoke (target, invokeAttr, binder, args, culture);
 403                                 binder.ReorderArgumentArray (ref args, state);
 404                                 return result;
 405                         }
 406                         if (name == String.Empty && Attribute.IsDefined (this, typeof (DefaultMemberAttribute))) {
 407                                 DefaultMemberAttribute attr = (DefaultMemberAttribute) Attribute.GetCustomAttribute (this, typeof (DefaultMemberAttribute));
 408                                 name = attr.MemberName;
 409                         }
 410                         bool ignoreCase = (invokeAttr & BindingFlags.IgnoreCase) != 0;
 411                         string throwMissingMethodDescription = null;
 412                         bool throwMissingFieldException = false;
 413
 414                         if ((invokeAttr & BindingFlags.InvokeMethod) != 0) {
 415                                 MethodInfo[] methods = GetMethodsByName (name, invokeAttr, ignoreCase, this);
 416                                 object state = null;
 417                                 if (args == null)
 418                                         args = new object [0];
 419                                 MethodBase m = binder.BindToMethod (invokeAttr, methods, ref args, modifiers, culture, namedParameters, out state);
 420                                 if (m == null) {
 421                                         if (methods.Length > 0)
 422                                                 throwMissingMethodDescription = "The best match for method " + name + " has some invalid parameter.";
 423                                         else
 424                                                 throwMissingMethodDescription = "Cannot find method " + name + ".";
 425                                 } else {
 426                                         ParameterInfo[] parameters = m.GetParameters();
 427                                         for (int i = 0; i < parameters.Length; ++i) {
 428                                                 if (System.Reflection.Missing.Value == args [i] && (parameters [i].Attributes & ParameterAttributes.HasDefault) != ParameterAttributes.HasDefault)
 429                                                         throw new ArgumentException ("Used Missing.Value for argument without default value", "parameters");
 430                                         }
 431                                         object result = m.Invoke (target, invokeAttr, binder, args, culture);
 432                                         binder.ReorderArgumentArray (ref args, state);
 433                                         return result;
 434                                 }
 435                         }
 436                         if ((invokeAttr & BindingFlags.GetField) != 0) {
 437                                 FieldInfo f = GetField (name, invokeAttr);
 438                                 if (f != null) {
 439                                         return f.GetValue (target);
 440                                 } else if ((invokeAttr & BindingFlags.GetProperty) == 0) {
 441                                         throwMissingFieldException = true;
 442                                 }
 443                                 /* try GetProperty */
 444                         } else if ((invokeAttr & BindingFlags.SetField) != 0) {
 445                                 FieldInfo f = GetField (name, invokeAttr);
 446                                 if (f != null) {
 447                                         if (args == null)
 448                                                 throw new ArgumentNullException ("providedArgs");
 449                                         if ((args == null) || args.Length != 1)
 450                                                 throw new ArgumentException ("Only the field value can be specified to set a field value.", bindingflags_arg);
 451                                         f.SetValue (target, args [0]);
 452                                         return null;
 453                                 } else if ((invokeAttr & BindingFlags.SetProperty) == 0) {
 454                                         throwMissingFieldException = true;
 455                                 }
 456                                 /* try SetProperty */
 457                         }
 458                         if ((invokeAttr & BindingFlags.GetProperty) != 0) {
 459                                 PropertyInfo[] properties = GetPropertiesByName (name, invokeAttr, ignoreCase, this);
 460                                 object state = null;
 461                                 int i, count = 0;
 462                                 for (i = 0; i < properties.Length; ++i) {
 463                                         if ((properties [i].GetGetMethod (true) != null))
 464                                                 count++;
 465                                 }
 466                                 MethodBase[] smethods = new MethodBase [count];
 467                                 count = 0;
 468                                 for (i = 0; i < properties.Length; ++i) {
 469                                         MethodBase mb = properties [i].GetGetMethod (true);
 470                                         if (mb != null)
 471                                                 smethods [count++] = mb;
 472                                 }
 473                                 MethodBase m = binder.BindToMethod (invokeAttr, smethods, ref args, modifiers, culture, namedParameters, out state);
 474                                 if (m == null) {
 475                                         throwMissingFieldException = true;
 476                                 } else {
 477                                         object result = m.Invoke (target, invokeAttr, binder, args, culture);
 478                                         binder.ReorderArgumentArray (ref args, state);
 479                                         return result;
 480                                 }
 481                         } else if ((invokeAttr & BindingFlags.SetProperty) != 0) {
 482                                 PropertyInfo[] properties = GetPropertiesByName (name, invokeAttr, ignoreCase, this);
 483                                 object state = null;
 484                                 int i, count = 0;
 485                                 for (i = 0; i < properties.Length; ++i) {
 486                                         if (properties [i].GetSetMethod (true) != null)
 487                                                 count++;
 488                                 }
 489                                 MethodBase[] smethods = new MethodBase [count];
 490                                 count = 0;
 491                                 for (i = 0; i < properties.Length; ++i) {
 492                                         MethodBase mb = properties [i].GetSetMethod (true);
 493                                         if (mb != null)
 494                                                 smethods [count++] = mb;
 495                                 }
 496                                 MethodBase m = binder.BindToMethod (invokeAttr, smethods, ref args, modifiers, culture, namedParameters, out state);
 497                                 if (m == null) {
 498                                         throwMissingFieldException = true;
 499                                 } else {
 500                                         object result = m.Invoke (target, invokeAttr, binder, args, culture);
 501                                         binder.ReorderArgumentArray (ref args, state);
 502                                         return result;
 503                                 }
 504                         }
 505                         if (throwMissingMethodDescription != null)
 506                                 throw new MissingMethodException(throwMissingMethodDescription);
 507                         if (throwMissingFieldException)
 508                                 throw new MissingFieldException("Cannot find variable " + name + ".");
 509
 510                         return null;
 511                 }
 512
 513                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 514                 public extern override Type GetElementType ();
 515
 516                 public override Type UnderlyingSystemType {
 517                         get {
 518                                 // This has _nothing_ to do with getting the base type of an enum etc.
 519                                 return this;
 520                         }
 521                 }
 522
 523                 public extern override Assembly Assembly {
 524                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
 525                         get;
 526                 }
 527
 528                 public override string AssemblyQualifiedName {
 529                         get {
 530                                 return getFullName (true, true);
 531                         }
 532                 }
 533
 534                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 535                 private extern string getFullName(bool full_name, bool assembly_qualified);
 536
 537                 public extern override Type BaseType {
 538                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
 539                         get;
 540                 }
 541
 542                 public override string FullName {
 543                         get {
 544                                 string fullName;
 545                                 // This doesn't need locking
 546                                 if (type_info == null)
 547                                         type_info = new MonoTypeInfo ();
 548                                 if ((fullName = type_info.full_name) == null)
 549                                         fullName = type_info.full_name = getFullName (true, false);
 550
 551                                 return fullName;
 552                         }
 553                 }
 554
 555                 public override Guid GUID {
 556                         get {
 557                                 object[] att = GetCustomAttributes(typeof(System.Runtime.InteropServices.GuidAttribute), true);
 558                                 if (att.Length == 0)
 559                                         return Guid.Empty;
 560                                 return new Guid(((System.Runtime.InteropServices.GuidAttribute)att[0]).Value);
 561                         }
 562                 }
 563
 564                 public override bool IsDefined (Type attributeType, bool inherit)
 565                 {
 566                         return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
 567                 }
 568
 569                 public override object[] GetCustomAttributes (bool inherit)
 570                 {
 571                         return MonoCustomAttrs.GetCustomAttributes (this, inherit);
 572                 }
 573
 574                 public override object[] GetCustomAttributes (Type attributeType, bool inherit)
 575                 {
 576                         if (attributeType == null)
 577                         {
 578                                 throw new ArgumentNullException("attributeType");
 579                         }
 580
 581                         return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
 582                 }
 583
 584                 public override MemberTypes MemberType {
 585                         get {
 586                                 if (DeclaringType != null && !IsGenericParameter)
 587                                         return MemberTypes.NestedType;
 588                                 else
 589                                         return MemberTypes.TypeInfo;
 590                         }
 591                 }
 592
 593                 public extern override string Name {
 594                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
 595                         get;
 596                 }
 597
 598                 public extern override string Namespace {
 599                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
 600                         get;
 601                 }
 602
 603                 public extern override Module Module {
 604                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
 605                         get;
 606                 }
 607
 608                 public extern override Type DeclaringType {
 609                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
 610                         get;
 611                 }
 612
 613                 public override Type ReflectedType {
 614                         get {
 615                                 return DeclaringType;
 616                         }
 617                 }
 618
 619                 public override RuntimeTypeHandle TypeHandle {
 620                         get {
 621                                 return _impl;
 622                         }
 623                 }
 624
 625                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 626                 public extern override int GetArrayRank ();
 627
 628                 public void GetObjectData(SerializationInfo info, StreamingContext context)
 629                 {
 630                         UnitySerializationHolder.GetTypeData (this, info, context);
 631                 }
 632
 633                 public override string ToString()
 634                 {
 635                         return getFullName (false, false);
 636                 }
 637
 638                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 639                 public extern override Type [] GetGenericArguments ();
 640
 641                 public override bool ContainsGenericParameters {
 642                         get {
 643                                 if (IsGenericParameter)
 644                                         return true;
 645
 646                                 if (IsGenericType) {
 647                                         foreach (Type arg in GetGenericArguments ())
 648                                                 if (arg.ContainsGenericParameters)
 649                                                         return true;
 650                                 }
 651
 652                                 if (HasElementType)
 653                                         return GetElementType ().ContainsGenericParameters;
 654
 655                                 return false;
 656                         }
 657                 }
 658
 659                 public extern override bool IsGenericParameter {
 660                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
 661                         get;
 662                 }
 663
 664                 public extern override MethodBase DeclaringMethod {
 665                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
 666                         get;
 667                 }
 668
 669                 public override Type GetGenericTypeDefinition () {
 670                         Type res = GetGenericTypeDefinition_impl ();
 671                         if (res == null)
 672                                 throw new InvalidOperationException ();
 673
 674                         return res;
 675                 }
 676
 677 #if NET_4_0
 678                 public override IList<CustomAttributeData> GetCustomAttributesData () {
 679                         return CustomAttributeData.GetCustomAttributes (this);
 680                 }
 681
 682
 683                 public override Array GetEnumValues () {
 684                         if (!IsEnum)
 685                                 throw new ArgumentException ("Type is not an enumeration", "enumType");
 686
 687                         return Enum.GetValues (this);
 688                 }
 689 #endif
 690
 691                 static MethodBase CheckMethodSecurity (MethodBase mb)
 692                 {
 693 #if NET_2_1
 694                         return mb;
 695 #else
 696                         if (!SecurityManager.SecurityEnabled || (mb == null))
 697                                 return mb;
 698
 699                         // Sadly we have no way to know which kind of security action this is
 700                         // so we must do it the hard way. Actually this isn't so bad
 701                         // because we can skip the (mb.Attributes & MethodAttributes.HasSecurity)
 702                         // icall required (and do it ourselves)
 703
 704                         // this (unlike the Invoke step) is _and stays_ a LinkDemand (caller)
 705                         return SecurityManager.ReflectedLinkDemandQuery (mb) ? mb : null;
 706 #endif
 707                 }
 708
 709 #if NET_4_0
 710                 //seclevel { transparent = 0, safe-critical = 1, critical = 2}
 711                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 712                 public extern int get_core_clr_security_level ();
 713
 714                 public override bool IsSecurityTransparent
 715                 {
 716                         get { return get_core_clr_security_level () == 0; }
 717                 }
 718
 719                 public override bool IsSecurityCritical
 720                 {
 721                         get { return get_core_clr_security_level () > 0; }
 722                 }
 723
 724                 public override bool IsSecuritySafeCritical
 725                 {
 726                         get { return get_core_clr_security_level () == 1; }
 727                 }
 728 #endif
 729
 730         }
 731 }