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

   1 //
   2 // System.MonoType
   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 namespace System.Reflection
  42 {
  43         internal class MonoGenericInst : MonoType
  44         {
  45                 protected Type generic_type;
  46                 bool initialized;
  47
  48                 [MonoTODO]
  49                 internal MonoGenericInst ()
  50                         : base (null)
  51                 {
  52                         // this should not be used
  53                         throw new InvalidOperationException ();
  54                 }
  55
  56                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  57                 protected extern void initialize (MethodInfo[] methods, ConstructorInfo[] ctors, FieldInfo[] fields, PropertyInfo[] properties, EventInfo[] events);
  58
  59                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  60                 protected extern MethodInfo[] GetMethods_internal (Type reflected_type);
  61
  62                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  63                 protected extern ConstructorInfo[] GetConstructors_internal (Type reflected_type);
  64
  65                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  66                 protected extern FieldInfo[] GetFields_internal (Type reflected_type);
  67
  68                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  69                 protected extern PropertyInfo[] GetProperties_internal (Type reflected_type);
  70
  71                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  72                 protected extern EventInfo[] GetEvents_internal (Type reflected_type);
  73
  74                 private const BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic |
  75                 BindingFlags.Static | BindingFlags.Instance | BindingFlags.DeclaredOnly;
  76
  77                 EventInfo[] get_event_info ()
  78                 {
  79                         if (generic_type is TypeBuilder)
  80                                 return ((TypeBuilder) generic_type).GetEvents_internal (flags);
  81                         else
  82                                 return generic_type.GetEvents (flags);
  83                 }
  84
  85                 void initialize ()
  86                 {
  87                         if (initialized)
  88                                 return;
  89
  90                         MonoGenericInst parent = GetParentType ();
  91                         if (parent != null)
  92                                 parent.initialize ();
  93
  94                         initialize (generic_type.GetMethods (flags),
  95                                     generic_type.GetConstructors (flags),
  96                                     generic_type.GetFields (flags),
  97                                     generic_type.GetProperties (flags),
  98                                     get_event_info ());
  99
 100                         initialized = true;
 101                 }
 102
 103                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 104                 protected extern MonoGenericInst GetParentType ();
 105
 106                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 107                 protected extern MonoGenericInst[] GetInterfaces_internal ();
 108
 109                 public override Type BaseType {
 110                         get {
 111                                 MonoGenericInst parent = GetParentType ();
 112                                 return parent != null ? parent : generic_type.BaseType;
 113                         }
 114                 }
 115
 116                 public override Type[] GetInterfaces ()
 117                 {
 118                         return GetInterfaces_internal ();
 119                 }
 120
 121                 protected override bool IsValueTypeImpl ()
 122                 {
 123                         return generic_type.IsValueType;
 124                 }
 125
 126                 public override MethodInfo[] GetMethods (BindingFlags bf)
 127                 {
 128                         ArrayList l = new ArrayList ();
 129
 130                         //
 131                         // Walk up our class hierarchy and retrieve methods from our
 132                         // parent classes.
 133                         //
 134
 135                         Type current_type = this;
 136                         do {
 137                                 MonoGenericInst gi = current_type as MonoGenericInst;
 138                                 if (gi != null)
 139                                         l.AddRange (gi.GetMethods_impl (bf, this));
 140                                 else if (current_type is TypeBuilder)
 141                                         l.AddRange (current_type.GetMethods (bf));
 142                                 else {
 143                                         // If we encounter a `MonoType', its
 144                                         // GetMethodsByName() will return all the methods
 145                                         // from its parent type(s), so we can stop here.
 146                                         MonoType mt = (MonoType) current_type;
 147                                         l.AddRange (mt.GetMethodsByName (null, bf, false, this));
 148                                         break;
 149                                 }
 150
 151                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 152                                         break;
 153                                 current_type = current_type.BaseType;
 154                         } while (current_type != null);
 155
 156                         MethodInfo[] result = new MethodInfo [l.Count];
 157                         l.CopyTo (result);
 158                         return result;
 159                 }
 160
 161                 protected MethodInfo[] GetMethods_impl (BindingFlags bf, Type reftype)
 162                 {
 163                         ArrayList l = new ArrayList ();
 164                         bool match;
 165                         MethodAttributes mattrs;
 166
 167                         initialize ();
 168
 169                         MethodInfo[] methods = GetMethods_internal (reftype);
 170
 171                         for (int i = 0; i < methods.Length; i++) {
 172                                 MethodInfo c = methods [i];
 173
 174                                 match = false;
 175                                 mattrs = c.Attributes;
 176                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 177                                         if ((bf & BindingFlags.Public) != 0)
 178                                                 match = true;
 179                                 } else {
 180                                         if ((bf & BindingFlags.NonPublic) != 0)
 181                                                 match = true;
 182                                 }
 183                                 if (!match)
 184                                         continue;
 185                                 match = false;
 186                                 if ((mattrs & MethodAttributes.Static) != 0) {
 187                                         if ((bf & BindingFlags.Static) != 0)
 188                                                 match = true;
 189                                 } else {
 190                                         if ((bf & BindingFlags.Instance) != 0)
 191                                                 match = true;
 192                                 }
 193                                 if (!match)
 194                                         continue;
 195                                 l.Add (c);
 196                         }
 197                         MethodInfo[] result = new MethodInfo [l.Count];
 198                         l.CopyTo (result);
 199                         return result;
 200                 }
 201
 202                 public override ConstructorInfo[] GetConstructors (BindingFlags bf)
 203                 {
 204                         ArrayList l = new ArrayList ();
 205
 206                         Type current_type = this;
 207                         do {
 208                                 MonoGenericInst gi = current_type as MonoGenericInst;
 209                                 if (gi != null)
 210                                         l.AddRange (gi.GetConstructors_impl (bf, this));
 211                                 else if (current_type is TypeBuilder)
 212                                         l.AddRange (current_type.GetConstructors (bf));
 213                                 else {
 214                                         MonoType mt = (MonoType) current_type;
 215                                         l.AddRange (mt.GetConstructors_internal (bf, this));
 216                                         break;
 217                                 }
 218
 219                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 220                                         break;
 221                                 current_type = current_type.BaseType;
 222                         } while (current_type != null);
 223
 224                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 225                         l.CopyTo (result);
 226                         return result;
 227                 }
 228
 229                 protected ConstructorInfo[] GetConstructors_impl (BindingFlags bf, Type reftype)
 230                 {
 231                         ArrayList l = new ArrayList ();
 232                         bool match;
 233                         MethodAttributes mattrs;
 234
 235                         initialize ();
 236
 237                         ConstructorInfo[] ctors = GetConstructors_internal (reftype);
 238
 239                         for (int i = 0; i < ctors.Length; i++) {
 240                                 ConstructorInfo c = ctors [i];
 241
 242                                 match = false;
 243                                 mattrs = c.Attributes;
 244                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 245                                         if ((bf & BindingFlags.Public) != 0)
 246                                                 match = true;
 247                                 } else {
 248                                         if ((bf & BindingFlags.NonPublic) != 0)
 249                                                 match = true;
 250                                 }
 251                                 if (!match)
 252                                         continue;
 253                                 match = false;
 254                                 if ((mattrs & MethodAttributes.Static) != 0) {
 255                                         if ((bf & BindingFlags.Static) != 0)
 256                                                 match = true;
 257                                 } else {
 258                                         if ((bf & BindingFlags.Instance) != 0)
 259                                                 match = true;
 260                                 }
 261                                 if (!match)
 262                                         continue;
 263                                 l.Add (c);
 264                         }
 265
 266                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
 267                         l.CopyTo (result);
 268                         return result;
 269                 }
 270
 271                 public override FieldInfo[] GetFields (BindingFlags bf)
 272                 {
 273                         ArrayList l = new ArrayList ();
 274
 275                         Type current_type = this;
 276                         do {
 277                                 MonoGenericInst gi = current_type as MonoGenericInst;
 278                                 if (gi != null)
 279                                         l.AddRange (gi.GetFields_impl (bf, this));
 280                                 else if (current_type is TypeBuilder)
 281                                         l.AddRange (current_type.GetFields (bf));
 282                                 else {
 283                                         MonoType mt = (MonoType) current_type;
 284                                         l.AddRange (mt.GetFields_internal (bf, this));
 285                                         break;
 286                                 }
 287
 288                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 289                                         break;
 290                                 current_type = current_type.BaseType;
 291                         } while (current_type != null);
 292
 293                         FieldInfo[] result = new FieldInfo [l.Count];
 294                         l.CopyTo (result);
 295                         return result;
 296                 }
 297
 298                 protected FieldInfo[] GetFields_impl (BindingFlags bf, Type reftype)
 299                 {
 300                         ArrayList l = new ArrayList ();
 301                         bool match;
 302                         FieldAttributes fattrs;
 303
 304                         initialize ();
 305
 306                         FieldInfo[] fields = GetFields_internal (reftype);
 307
 308                         for (int i = 0; i < fields.Length; i++) {
 309                                 FieldInfo c = fields [i];
 310
 311                                 match = false;
 312                                 fattrs = c.Attributes;
 313                                 if ((fattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
 314                                         if ((bf & BindingFlags.Public) != 0)
 315                                                 match = true;
 316                                 } else {
 317                                         if ((bf & BindingFlags.NonPublic) != 0)
 318                                                 match = true;
 319                                 }
 320                                 if (!match)
 321                                         continue;
 322                                 match = false;
 323                                 if ((fattrs & FieldAttributes.Static) != 0) {
 324                                         if ((bf & BindingFlags.Static) != 0)
 325                                                 match = true;
 326                                 } else {
 327                                         if ((bf & BindingFlags.Instance) != 0)
 328                                                 match = true;
 329                                 }
 330                                 if (!match)
 331                                         continue;
 332                                 l.Add (c);
 333                         }
 334                         FieldInfo[] result = new FieldInfo [l.Count];
 335                         l.CopyTo (result);
 336                         return result;
 337                 }
 338
 339                 public override PropertyInfo[] GetProperties (BindingFlags bf)
 340                 {
 341                         ArrayList l = new ArrayList ();
 342
 343                         Type current_type = this;
 344                         do {
 345                                 MonoGenericInst gi = current_type as MonoGenericInst;
 346                                 if (gi != null)
 347                                         l.AddRange (gi.GetProperties_impl (bf, this));
 348                                 else if (current_type is TypeBuilder)
 349                                         l.AddRange (current_type.GetProperties (bf));
 350                                 else {
 351                                         MonoType mt = (MonoType) current_type;
 352                                         l.AddRange (mt.GetPropertiesByName (null, bf, false, this));
 353                                         break;
 354                                 }
 355
 356                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 357                                         break;
 358                                 current_type = current_type.BaseType;
 359                         } while (current_type != null);
 360
 361                         PropertyInfo[] result = new PropertyInfo [l.Count];
 362                         l.CopyTo (result);
 363                         return result;
 364                 }
 365
 366                 protected PropertyInfo[] GetProperties_impl (BindingFlags bf, Type reftype)
 367                 {
 368                         ArrayList l = new ArrayList ();
 369                         bool match;
 370                         MethodAttributes mattrs;
 371                         MethodInfo accessor;
 372
 373                         initialize ();
 374
 375                         PropertyInfo[] properties = GetProperties_internal (reftype);
 376
 377                         for (int i = 0; i < properties.Length; i++) {
 378                                 PropertyInfo c = properties [i];
 379
 380                                 match = false;
 381                                 accessor = c.GetGetMethod (true);
 382                                 if (accessor == null)
 383                                         accessor = c.GetSetMethod (true);
 384                                 if (accessor == null)
 385                                         continue;
 386                                 mattrs = accessor.Attributes;
 387                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 388                                         if ((bf & BindingFlags.Public) != 0)
 389                                                 match = true;
 390                                 } else {
 391                                         if ((bf & BindingFlags.NonPublic) != 0)
 392                                                 match = true;
 393                                 }
 394                                 if (!match)
 395                                         continue;
 396                                 match = false;
 397                                 if ((mattrs & MethodAttributes.Static) != 0) {
 398                                         if ((bf & BindingFlags.Static) != 0)
 399                                                 match = true;
 400                                 } else {
 401                                         if ((bf & BindingFlags.Instance) != 0)
 402                                                 match = true;
 403                                 }
 404                                 if (!match)
 405                                         continue;
 406                                 l.Add (c);
 407                         }
 408                         PropertyInfo[] result = new PropertyInfo [l.Count];
 409                         l.CopyTo (result);
 410                         return result;
 411                 }
 412
 413                 public override EventInfo[] GetEvents (BindingFlags bf)
 414                 {
 415                         ArrayList l = new ArrayList ();
 416
 417                         Type current_type = this;
 418                         do {
 419                                 MonoGenericInst gi = current_type as MonoGenericInst;
 420                                 if (gi != null)
 421                                         l.AddRange (gi.GetEvents_impl (bf, this));
 422                                 else if (current_type is TypeBuilder)
 423                                         l.AddRange (current_type.GetEvents (bf));
 424                                 else {
 425                                         MonoType mt = (MonoType) current_type;
 426                                         l.AddRange (mt.GetEvents (bf));
 427                                         break;
 428                                 }
 429
 430                                 if ((bf & BindingFlags.DeclaredOnly) != 0)
 431                                         break;
 432                                 current_type = current_type.BaseType;
 433                         } while (current_type != null);
 434
 435                         EventInfo[] result = new EventInfo [l.Count];
 436                         l.CopyTo (result);
 437                         return result;
 438                 }
 439
 440                 protected EventInfo[] GetEvents_impl (BindingFlags bf, Type reftype)
 441                 {
 442                         ArrayList l = new ArrayList ();
 443                         bool match;
 444                         MethodAttributes mattrs;
 445                         MethodInfo accessor;
 446
 447                         initialize ();
 448
 449                         EventInfo[] events = GetEvents_internal (reftype);
 450
 451                         for (int i = 0; i < events.Length; i++) {
 452                                 EventInfo c = events [i];
 453
 454                                 match = false;
 455                                 accessor = c.GetAddMethod (true);
 456                                 if (accessor == null)
 457                                         accessor = c.GetRemoveMethod (true);
 458                                 if (accessor == null)
 459                                         continue;
 460                                 mattrs = accessor.Attributes;
 461                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
 462                                         if ((bf & BindingFlags.Public) != 0)
 463                                                 match = true;
 464                                 } else {
 465                                         if ((bf & BindingFlags.NonPublic) != 0)
 466                                                 match = true;
 467                                 }
 468                                 if (!match)
 469                                         continue;
 470                                 match = false;
 471                                 if ((mattrs & MethodAttributes.Static) != 0) {
 472                                         if ((bf & BindingFlags.Static) != 0)
 473                                                 match = true;
 474                                 } else {
 475                                         if ((bf & BindingFlags.Instance) != 0)
 476                                                 match = true;
 477                                 }
 478                                 if (!match)
 479                                         continue;
 480                                 l.Add (c);
 481                         }
 482                         EventInfo[] result = new EventInfo [l.Count];
 483                         l.CopyTo (result);
 484                         return result;
 485                 }
 486
 487                 public override Type[] GetNestedTypes (BindingFlags bf)
 488                 {
 489                         return generic_type.GetNestedTypes (bf);
 490                 }
 491         }
 492 }