mcs/class/corlib/System.Reflection.Emit/GenericTypeParameterBuilder.cs

   1 //
   2 // System.Reflection.Emit.GenericTypeParameterBuilder
   3 //
   4 // Martin Baulig (martin@ximian.com)
   5 //
   6 // (C) 2004 Novell, Inc.
   7 //
   8
   9 //
  10 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.Reflection;
  33 using System.Reflection.Emit;
  34 using System.Collections;
  35 using System.Runtime.CompilerServices;
  36 using System.Runtime.InteropServices;
  37 using System.Globalization;
  38 using System.Runtime.Serialization;
  39
  40 namespace System.Reflection.Emit
  41 {
  42         [ComVisible (true)]
  43         public sealed class GenericTypeParameterBuilder : Type
  44         {
  45         #region Sync with reflection.h
  46                 private TypeBuilder tbuilder;
  47                 private MethodBuilder mbuilder;
  48                 private string name;
  49                 private int index;
  50                 private Type base_type;
  51                 private Type[] iface_constraints;
  52                 private CustomAttributeBuilder[] cattrs;
  53                 private GenericParameterAttributes attrs;
  54         #endregion
  55
  56                 public void SetBaseTypeConstraint (Type baseTypeConstraint)
  57                 {
  58                         this.base_type = baseTypeConstraint ?? typeof (object);
  59                 }
  60
  61                 [ComVisible (true)]
  62                 public void SetInterfaceConstraints (params Type[] interfaceConstraints)
  63                 {
  64                         this.iface_constraints = interfaceConstraints;
  65                 }
  66
  67                 public void SetGenericParameterAttributes (GenericParameterAttributes genericParameterAttributes)
  68                 {
  69                         this.attrs = genericParameterAttributes;
  70                 }
  71
  72                 internal GenericTypeParameterBuilder (TypeBuilder tbuilder,
  73                                                       MethodBuilder mbuilder,
  74                                                       string name, int index)
  75                 {
  76                         this.tbuilder = tbuilder;
  77                         this.mbuilder = mbuilder;
  78                         this.name = name;
  79                         this.index = index;
  80
  81                         initialize ();
  82                 }
  83
  84
  85                 internal override bool IsCompilerContext {
  86                         get {
  87                                 return tbuilder.IsCompilerContext;
  88                         }
  89                 }
  90
  91                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  92                 private extern void initialize ();
  93
  94                 [ComVisible (true)]
  95                 public override bool IsSubclassOf (Type c)
  96                 {
  97                         if (!IsCompilerContext)
  98                                 throw not_supported ();
  99                         if (BaseType == null)
 100                                 return false;
 101                         else
 102                                 return BaseType == c || BaseType.IsSubclassOf (c);
 103                 }
 104
 105                 protected override TypeAttributes GetAttributeFlagsImpl ()
 106                 {
 107 #if NET_4_0
 108                         return TypeAttributes.Public;
 109 #else
 110                         if (IsCompilerContext)
 111                                 return TypeAttributes.Public;
 112                         throw not_supported ();
 113 #endif
 114                 }
 115
 116                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr,
 117                                                                        Binder binder,
 118                                                                        CallingConventions callConvention,
 119                                                                        Type[] types,
 120                                                                        ParameterModifier[] modifiers)
 121                 {
 122                         throw not_supported ();
 123                 }
 124
 125                 [ComVisible (true)]
 126                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 127                 {
 128                         throw not_supported ();
 129                 }
 130
 131                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
 132                 {
 133                         throw not_supported ();
 134                 }
 135
 136                 public override EventInfo[] GetEvents ()
 137                 {
 138                         throw not_supported ();
 139                 }
 140
 141                 public override EventInfo[] GetEvents (BindingFlags bindingAttr)
 142                 {
 143                         throw not_supported ();
 144                 }
 145
 146                 public override FieldInfo GetField (string name, BindingFlags bindingAttr)
 147                 {
 148                         throw not_supported ();
 149                 }
 150
 151                 public override FieldInfo[] GetFields (BindingFlags bindingAttr)
 152                 {
 153                         throw not_supported ();
 154                 }
 155
 156                 public override Type GetInterface (string name, bool ignoreCase)
 157                 {
 158                         throw not_supported ();
 159                 }
 160
 161                 public override Type[] GetInterfaces ()
 162                 {
 163                         throw not_supported ();
 164                 }
 165
 166                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
 167                 {
 168                         throw not_supported ();
 169                 }
 170
 171                 public override MemberInfo[] GetMember (string name, MemberTypes type, BindingFlags bindingAttr)
 172                 {
 173                         throw not_supported ();
 174                 }
 175
 176                 public override MethodInfo [] GetMethods (BindingFlags bindingAttr)
 177                 {
 178                         throw not_supported ();
 179                 }
 180
 181                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr,
 182                                                              Binder binder,
 183                                                              CallingConventions callConvention,
 184                                                              Type[] types, ParameterModifier[] modifiers)
 185                 {
 186                         throw not_supported ();
 187                 }
 188
 189                 public override Type GetNestedType (string name, BindingFlags bindingAttr)
 190                 {
 191                         throw not_supported ();
 192                 }
 193
 194                 public override Type[] GetNestedTypes (BindingFlags bindingAttr)
 195                 {
 196                         throw not_supported ();
 197                 }
 198
 199                 public override PropertyInfo [] GetProperties (BindingFlags bindingAttr)
 200                 {
 201                         throw not_supported ();
 202                 }
 203
 204                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr,
 205                                                                  Binder binder, Type returnType,
 206                                                                  Type[] types,
 207                                                                  ParameterModifier[] modifiers)
 208                 {
 209                         throw not_supported ();
 210                 }
 211
 212                 protected override bool HasElementTypeImpl ()
 213                 {
 214                         return false;
 215                 }
 216
 217                 public override bool IsAssignableFrom (Type c)
 218                 {
 219                         throw not_supported ();
 220                 }
 221
 222                 public override bool IsInstanceOfType (object o)
 223                 {
 224                         throw not_supported ();
 225                 }
 226
 227                 protected override bool IsArrayImpl ()
 228                 {
 229                         return false;
 230                 }
 231
 232                 protected override bool IsByRefImpl ()
 233                 {
 234                         return false;
 235                 }
 236
 237                 protected override bool IsCOMObjectImpl ()
 238                 {
 239                         return false;
 240                 }
 241
 242                 protected override bool IsPointerImpl ()
 243                 {
 244                         return false;
 245                 }
 246
 247                 protected override bool IsPrimitiveImpl ()
 248                 {
 249                         return false;
 250                 }
 251
 252                 protected override bool IsValueTypeImpl ()
 253                 {
 254                         return base_type != null ? base_type.IsValueType : false;
 255                 }
 256
 257                 public override object InvokeMember (string name, BindingFlags invokeAttr,
 258                                                      Binder binder, object target, object[] args,
 259                                                      ParameterModifier[] modifiers,
 260                                                      CultureInfo culture, string[] namedParameters)
 261                 {
 262                         throw not_supported ();
 263                 }
 264
 265                 public override Type GetElementType ()
 266                 {
 267                         throw not_supported ();
 268                 }
 269
 270                 public override Type UnderlyingSystemType {
 271                         get {
 272                                 return this;
 273                         }
 274                 }
 275
 276                 public override Assembly Assembly {
 277                         get { return tbuilder.Assembly; }
 278                 }
 279
 280                 public override string AssemblyQualifiedName {
 281                         get { return null; }
 282                 }
 283
 284                 public override Type BaseType {
 285                         get { return base_type; }
 286                 }
 287
 288                 public override string FullName {
 289                         get { return null; }
 290                 }
 291
 292                 public override Guid GUID {
 293                         get { throw not_supported (); }
 294                 }
 295
 296                 public override bool IsDefined (Type attributeType, bool inherit)
 297                 {
 298                         throw not_supported ();
 299                 }
 300
 301                 public override object[] GetCustomAttributes (bool inherit)
 302                 {
 303                         throw not_supported ();
 304                 }
 305
 306                 public override object[] GetCustomAttributes (Type attributeType, bool inherit)
 307                 {
 308                         throw not_supported ();
 309                 }
 310
 311                 [ComVisible (true)]
 312                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
 313                 {
 314                         throw not_supported ();
 315                 }
 316
 317                 public override string Name {
 318                         get { return name; }
 319                 }
 320
 321                 public override string Namespace {
 322                         get { return null; }
 323                 }
 324
 325                 public override Module Module {
 326                         get { return tbuilder.Module; }
 327                 }
 328
 329                 public override Type DeclaringType {
 330                         get { return mbuilder != null ? mbuilder.DeclaringType : tbuilder; }
 331                 }
 332
 333                 public override Type ReflectedType {
 334                         get { return DeclaringType; }
 335                 }
 336
 337                 public override RuntimeTypeHandle TypeHandle {
 338                         get { throw not_supported (); }
 339                 }
 340
 341                 public override Type[] GetGenericArguments ()
 342                 {
 343                         throw new InvalidOperationException ();
 344                 }
 345
 346                 public override Type GetGenericTypeDefinition ()
 347                 {
 348                         throw new InvalidOperationException ();
 349                 }
 350
 351                 public override bool ContainsGenericParameters {
 352                         get { return true; }
 353                 }
 354
 355                 public override bool IsGenericParameter {
 356                         get { return true; }
 357                 }
 358
 359                 public override bool IsGenericType {
 360                         get { return false; }
 361                 }
 362
 363                 public override bool IsGenericTypeDefinition {
 364                         get { return false; }
 365                 }
 366
 367                 public override GenericParameterAttributes GenericParameterAttributes {
 368                         get {
 369                                 if (IsCompilerContext)
 370                                         return attrs;
 371                                 throw new NotSupportedException ();
 372                         }
 373                 }
 374
 375                 public override int GenericParameterPosition {
 376                         get { return index; }
 377                 }
 378
 379                 public override Type[] GetGenericParameterConstraints ()
 380                 {
 381                         if (!IsCompilerContext)
 382                                 throw new InvalidOperationException ();
 383                         if (base_type == null) {
 384                                 if (iface_constraints != null)
 385                                         return iface_constraints;
 386
 387                                 return Type.EmptyTypes;
 388                         }
 389
 390                         if (iface_constraints == null)
 391                                 return new Type[] { base_type };
 392
 393                         Type[] ret = new Type [iface_constraints.Length + 1];
 394                         ret [0] = base_type;
 395                         iface_constraints.CopyTo (ret, 1);
 396                         return ret;
 397                 }
 398
 399                 public override MethodBase DeclaringMethod {
 400                         get { return mbuilder; }
 401                 }
 402
 403                 public void SetCustomAttribute (CustomAttributeBuilder customBuilder)
 404                 {
 405                         if (customBuilder == null)
 406                                 throw new ArgumentNullException ("customBuilder");
 407
 408                         if (cattrs != null) {
 409                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
 410                                 cattrs.CopyTo (new_array, 0);
 411                                 new_array [cattrs.Length] = customBuilder;
 412                                 cattrs = new_array;
 413                         } else {
 414                                 cattrs = new CustomAttributeBuilder [1];
 415                                 cattrs [0] = customBuilder;
 416                         }
 417                 }
 418
 419                 [MonoTODO ("unverified implementation")]
 420                 public void SetCustomAttribute (ConstructorInfo con, byte [] binaryAttribute)
 421                 {
 422                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
 423                 }
 424
 425                 private Exception not_supported ()
 426                 {
 427                         return new NotSupportedException ();
 428                 }
 429
 430                 public override string ToString ()
 431                 {
 432                         return name;
 433                 }
 434
 435                 [MonoTODO]
 436                 public override bool Equals (object o)
 437                 {
 438                         return base.Equals (o);
 439                 }
 440
 441                 [MonoTODO]
 442                 public override int GetHashCode ()
 443                 {
 444                         return base.GetHashCode ();
 445                 }
 446
 447                 public override Type MakeArrayType ()
 448                 {
 449                         return  new ArrayType (this, 0);
 450                 }
 451
 452                 public override Type MakeArrayType (int rank)
 453                 {
 454                         if (rank < 1)
 455                                 throw new IndexOutOfRangeException ();
 456                         return new ArrayType (this, rank);
 457                 }
 458
 459                 public override Type MakeByRefType ()
 460                 {
 461                         return new ByRefType (this);
 462                 }
 463
 464                 [MonoTODO]
 465                 public override Type MakeGenericType (params Type [] typeArguments)
 466                 {
 467                         return base.MakeGenericType (typeArguments);
 468                 }
 469
 470                 public override Type MakePointerType ()
 471                 {
 472                         return new PointerType (this);
 473                 }
 474         }
 475 }