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                 internal override Type InternalResolve ()
  92                 {
  93                         return tbuilder.InternalResolve ().GetGenericArguments () [index];
  94                 }
  95
  96                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  97                 private extern void initialize ();
  98
  99                 [ComVisible (true)]
 100                 public override bool IsSubclassOf (Type c)
 101                 {
 102                         if (!IsCompilerContext)
 103                                 throw not_supported ();
 104                         if (BaseType == null)
 105                                 return false;
 106                         else
 107                                 return BaseType == c || BaseType.IsSubclassOf (c);
 108                 }
 109
 110                 protected override TypeAttributes GetAttributeFlagsImpl ()
 111                 {
 112 #if NET_4_0
 113                         return TypeAttributes.Public;
 114 #else
 115                         if (IsCompilerContext)
 116                                 return TypeAttributes.Public;
 117                         throw not_supported ();
 118 #endif
 119                 }
 120
 121                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr,
 122                                                                        Binder binder,
 123                                                                        CallingConventions callConvention,
 124                                                                        Type[] types,
 125                                                                        ParameterModifier[] modifiers)
 126                 {
 127                         throw not_supported ();
 128                 }
 129
 130                 [ComVisible (true)]
 131                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
 132                 {
 133                         throw not_supported ();
 134                 }
 135
 136                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr)
 137                 {
 138                         throw not_supported ();
 139                 }
 140
 141                 public override EventInfo[] GetEvents ()
 142                 {
 143                         throw not_supported ();
 144                 }
 145
 146                 public override EventInfo[] GetEvents (BindingFlags bindingAttr)
 147                 {
 148                         throw not_supported ();
 149                 }
 150
 151                 public override FieldInfo GetField (string name, BindingFlags bindingAttr)
 152                 {
 153                         throw not_supported ();
 154                 }
 155
 156                 public override FieldInfo[] GetFields (BindingFlags bindingAttr)
 157                 {
 158                         throw not_supported ();
 159                 }
 160
 161                 public override Type GetInterface (string name, bool ignoreCase)
 162                 {
 163                         throw not_supported ();
 164                 }
 165
 166                 public override Type[] GetInterfaces ()
 167                 {
 168                         throw not_supported ();
 169                 }
 170
 171                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr)
 172                 {
 173                         throw not_supported ();
 174                 }
 175
 176                 public override MemberInfo[] GetMember (string name, MemberTypes type, BindingFlags bindingAttr)
 177                 {
 178                         throw not_supported ();
 179                 }
 180
 181                 public override MethodInfo [] GetMethods (BindingFlags bindingAttr)
 182                 {
 183                         throw not_supported ();
 184                 }
 185
 186                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr,
 187                                                              Binder binder,
 188                                                              CallingConventions callConvention,
 189                                                              Type[] types, ParameterModifier[] modifiers)
 190                 {
 191                         throw not_supported ();
 192                 }
 193
 194                 public override Type GetNestedType (string name, BindingFlags bindingAttr)
 195                 {
 196                         throw not_supported ();
 197                 }
 198
 199                 public override Type[] GetNestedTypes (BindingFlags bindingAttr)
 200                 {
 201                         throw not_supported ();
 202                 }
 203
 204                 public override PropertyInfo [] GetProperties (BindingFlags bindingAttr)
 205                 {
 206                         throw not_supported ();
 207                 }
 208
 209                 protected override PropertyInfo GetPropertyImpl (string name, BindingFlags bindingAttr,
 210                                                                  Binder binder, Type returnType,
 211                                                                  Type[] types,
 212                                                                  ParameterModifier[] modifiers)
 213                 {
 214                         throw not_supported ();
 215                 }
 216
 217                 protected override bool HasElementTypeImpl ()
 218                 {
 219                         return false;
 220                 }
 221
 222                 public override bool IsAssignableFrom (Type c)
 223                 {
 224                         throw not_supported ();
 225                 }
 226
 227                 public override bool IsInstanceOfType (object o)
 228                 {
 229                         throw not_supported ();
 230                 }
 231
 232                 protected override bool IsArrayImpl ()
 233                 {
 234                         return false;
 235                 }
 236
 237                 protected override bool IsByRefImpl ()
 238                 {
 239                         return false;
 240                 }
 241
 242                 protected override bool IsCOMObjectImpl ()
 243                 {
 244                         return false;
 245                 }
 246
 247                 protected override bool IsPointerImpl ()
 248                 {
 249                         return false;
 250                 }
 251
 252                 protected override bool IsPrimitiveImpl ()
 253                 {
 254                         return false;
 255                 }
 256
 257                 protected override bool IsValueTypeImpl ()
 258                 {
 259                         return base_type != null ? base_type.IsValueType : false;
 260                 }
 261
 262                 public override object InvokeMember (string name, BindingFlags invokeAttr,
 263                                                      Binder binder, object target, object[] args,
 264                                                      ParameterModifier[] modifiers,
 265                                                      CultureInfo culture, string[] namedParameters)
 266                 {
 267                         throw not_supported ();
 268                 }
 269
 270                 public override Type GetElementType ()
 271                 {
 272                         throw not_supported ();
 273                 }
 274
 275                 public override Type UnderlyingSystemType {
 276                         get {
 277                                 return this;
 278                         }
 279                 }
 280
 281                 public override Assembly Assembly {
 282                         get { return tbuilder.Assembly; }
 283                 }
 284
 285                 public override string AssemblyQualifiedName {
 286                         get { return null; }
 287                 }
 288
 289                 public override Type BaseType {
 290                         get { return base_type; }
 291                 }
 292
 293                 public override string FullName {
 294                         get { return null; }
 295                 }
 296
 297                 public override Guid GUID {
 298                         get { throw not_supported (); }
 299                 }
 300
 301                 public override bool IsDefined (Type attributeType, bool inherit)
 302                 {
 303                         throw not_supported ();
 304                 }
 305
 306                 public override object[] GetCustomAttributes (bool inherit)
 307                 {
 308                         throw not_supported ();
 309                 }
 310
 311                 public override object[] GetCustomAttributes (Type attributeType, bool inherit)
 312                 {
 313                         throw not_supported ();
 314                 }
 315
 316                 [ComVisible (true)]
 317                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
 318                 {
 319                         throw not_supported ();
 320                 }
 321
 322                 public override string Name {
 323                         get { return name; }
 324                 }
 325
 326                 public override string Namespace {
 327                         get { return null; }
 328                 }
 329
 330                 public override Module Module {
 331                         get { return tbuilder.Module; }
 332                 }
 333
 334                 public override Type DeclaringType {
 335                         get { return mbuilder != null ? mbuilder.DeclaringType : tbuilder; }
 336                 }
 337
 338                 public override Type ReflectedType {
 339                         get { return DeclaringType; }
 340                 }
 341
 342                 public override RuntimeTypeHandle TypeHandle {
 343                         get { throw not_supported (); }
 344                 }
 345
 346                 public override Type[] GetGenericArguments ()
 347                 {
 348                         throw new InvalidOperationException ();
 349                 }
 350
 351                 public override Type GetGenericTypeDefinition ()
 352                 {
 353                         throw new InvalidOperationException ();
 354                 }
 355
 356                 public override bool ContainsGenericParameters {
 357                         get { return true; }
 358                 }
 359
 360                 public override bool IsGenericParameter {
 361                         get { return true; }
 362                 }
 363
 364                 public override bool IsGenericType {
 365                         get { return false; }
 366                 }
 367
 368                 public override bool IsGenericTypeDefinition {
 369                         get { return false; }
 370                 }
 371
 372                 public override GenericParameterAttributes GenericParameterAttributes {
 373                         get {
 374                                 if (IsCompilerContext)
 375                                         return attrs;
 376                                 throw new NotSupportedException ();
 377                         }
 378                 }
 379
 380                 public override int GenericParameterPosition {
 381                         get { return index; }
 382                 }
 383
 384                 public override Type[] GetGenericParameterConstraints ()
 385                 {
 386                         if (!IsCompilerContext)
 387                                 throw new InvalidOperationException ();
 388                         if (base_type == null) {
 389                                 if (iface_constraints != null)
 390                                         return iface_constraints;
 391
 392                                 return Type.EmptyTypes;
 393                         }
 394
 395                         if (iface_constraints == null)
 396                                 return new Type[] { base_type };
 397
 398                         Type[] ret = new Type [iface_constraints.Length + 1];
 399                         ret [0] = base_type;
 400                         iface_constraints.CopyTo (ret, 1);
 401                         return ret;
 402                 }
 403
 404                 public override MethodBase DeclaringMethod {
 405                         get { return mbuilder; }
 406                 }
 407
 408                 public void SetCustomAttribute (CustomAttributeBuilder customBuilder)
 409                 {
 410                         if (customBuilder == null)
 411                                 throw new ArgumentNullException ("customBuilder");
 412
 413                         if (cattrs != null) {
 414                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
 415                                 cattrs.CopyTo (new_array, 0);
 416                                 new_array [cattrs.Length] = customBuilder;
 417                                 cattrs = new_array;
 418                         } else {
 419                                 cattrs = new CustomAttributeBuilder [1];
 420                                 cattrs [0] = customBuilder;
 421                         }
 422                 }
 423
 424                 [MonoTODO ("unverified implementation")]
 425                 public void SetCustomAttribute (ConstructorInfo con, byte [] binaryAttribute)
 426                 {
 427                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
 428                 }
 429
 430                 private Exception not_supported ()
 431                 {
 432                         return new NotSupportedException ();
 433                 }
 434
 435                 public override string ToString ()
 436                 {
 437                         return name;
 438                 }
 439
 440                 [MonoTODO]
 441                 public override bool Equals (object o)
 442                 {
 443                         return base.Equals (o);
 444                 }
 445
 446                 [MonoTODO]
 447                 public override int GetHashCode ()
 448                 {
 449                         return base.GetHashCode ();
 450                 }
 451
 452                 public override Type MakeArrayType ()
 453                 {
 454                         return  new ArrayType (this, 0);
 455                 }
 456
 457                 public override Type MakeArrayType (int rank)
 458                 {
 459                         if (rank < 1)
 460                                 throw new IndexOutOfRangeException ();
 461                         return new ArrayType (this, rank);
 462                 }
 463
 464                 public override Type MakeByRefType ()
 465                 {
 466                         return new ByRefType (this);
 467                 }
 468
 469                 [MonoTODO]
 470                 public override Type MakeGenericType (params Type [] typeArguments)
 471                 {
 472                         return base.MakeGenericType (typeArguments);
 473                 }
 474
 475                 public override Type MakePointerType ()
 476                 {
 477                         return new PointerType (this);
 478                 }
 479         }
 480 }