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

   1 //
   2 // System.Reflection.Emit/MethodBuilder.cs
   3 //
   4 // Author:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //
   7 // (C) 2001 Ximian, Inc.  http://www.ximian.com
   8 //
   9
  10 //
  11 // Copyright (C) 2004 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;
  34 using System.Reflection;
  35 using System.Reflection.Emit;
  36 using System.Globalization;
  37 using System.Security;
  38 using System.Security.Permissions;
  39 using System.Runtime.CompilerServices;
  40 using System.Runtime.InteropServices;
  41 using System.Diagnostics.SymbolStore;
  42
  43 namespace System.Reflection.Emit
  44 {
  45 #if NET_2_0
  46         [ComVisible (true)]
  47         [ComDefaultInterface (typeof (_MethodBuilder))]
  48 #endif
  49         [ClassInterface (ClassInterfaceType.None)]
  50         public sealed class MethodBuilder : MethodInfo, _MethodBuilder
  51         {
  52 #pragma warning disable 169, 414
  53                 private RuntimeMethodHandle mhandle;
  54                 private Type rtype;
  55                 internal Type[] parameters;
  56                 private MethodAttributes attrs; /* It's used directly by MCS */
  57                 private MethodImplAttributes iattrs;
  58                 private string name;
  59                 private int table_idx;
  60                 private byte[] code;
  61                 private ILGenerator ilgen;
  62                 private TypeBuilder type;
  63                 internal ParameterBuilder[] pinfo;
  64                 private CustomAttributeBuilder[] cattrs;
  65                 private MethodInfo override_method;
  66                 private string pi_dll;
  67                 private string pi_entry;
  68                 private CharSet charset;
  69                 private uint extra_flags; /* this encodes set_last_error etc */
  70                 private CallingConvention native_cc;
  71                 private CallingConventions call_conv;
  72                 private bool init_locals = true;
  73                 private IntPtr generic_container;
  74 #if NET_2_0 || BOOTSTRAP_NET_2_0
  75                 internal GenericTypeParameterBuilder[] generic_params;
  76 #else
  77                 private Object generic_params; /* so offsets are the same */
  78 #endif
  79                 private Type[] returnModReq;
  80                 private Type[] returnModOpt;
  81                 private Type[][] paramModReq;
  82                 private Type[][] paramModOpt;
  83                 private RefEmitPermissionSet[] permissions;
  84 #pragma warning restore 169, 414
  85
  86                 internal MethodBuilder (TypeBuilder tb, string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnModReq, Type[] returnModOpt, Type[] parameterTypes, Type[][] paramModReq, Type[][] paramModOpt)
  87                 {
  88                         this.name = name;
  89                         this.attrs = attributes;
  90                         this.call_conv = callingConvention;
  91                         this.rtype = returnType;
  92                         this.returnModReq = returnModReq;
  93                         this.returnModOpt = returnModOpt;
  94                         this.paramModReq = paramModReq;
  95                         this.paramModOpt = paramModOpt;
  96                         // The MSDN docs does not specify this, but the MS MethodBuilder
  97                         // appends a HasThis flag if the method is not static
  98                         if ((attributes & MethodAttributes.Static) == 0)
  99                                 this.call_conv |= CallingConventions.HasThis;
 100                         if (parameterTypes != null) {
 101                                 for (int i = 0; i < parameterTypes.Length; ++i)
 102                                         if (parameterTypes [i] == null)
 103                                                 throw new ArgumentException ("Elements of the parameterTypes array cannot be null", "parameterTypes");
 104
 105                                 this.parameters = new Type [parameterTypes.Length];
 106                                 System.Array.Copy (parameterTypes, this.parameters, parameterTypes.Length);
 107                         }
 108                         type = tb;
 109                         table_idx = get_next_table_index (this, 0x06, true);
 110
 111                         ((ModuleBuilder)tb.Module).RegisterToken (this, GetToken ().Token);
 112                 }
 113
 114                 internal MethodBuilder (TypeBuilder tb, string name, MethodAttributes attributes,
 115                                                                 CallingConventions callingConvention, Type returnType, Type[] returnModReq, Type[] returnModOpt, Type[] parameterTypes, Type[][] paramModReq, Type[][] paramModOpt,
 116                         String dllName, String entryName, CallingConvention nativeCConv, CharSet nativeCharset)
 117                         : this (tb, name, attributes, callingConvention, returnType, returnModReq, returnModOpt, parameterTypes, paramModReq, paramModOpt)
 118                 {
 119                         pi_dll = dllName;
 120                         pi_entry = entryName;
 121                         native_cc = nativeCConv;
 122                         charset = nativeCharset;
 123                 }
 124
 125 #if NET_2_0
 126                 public override bool ContainsGenericParameters {
 127                         get { throw new NotSupportedException (); }
 128                 }
 129 #endif
 130
 131                 public bool InitLocals {
 132                         get {return init_locals;}
 133                         set {init_locals = value;}
 134                 }
 135
 136                 internal TypeBuilder TypeBuilder {
 137                         get {return type;}
 138                 }
 139
 140                 public override RuntimeMethodHandle MethodHandle {
 141                         get {
 142                                 throw NotSupported ();
 143                         }
 144                 }
 145
 146                 public override Type ReturnType {
 147                         get { return rtype; }
 148                 }
 149
 150                 public override Type ReflectedType {
 151                         get { return type; }
 152                 }
 153
 154                 public override Type DeclaringType {
 155                         get { return type; }
 156                 }
 157
 158                 public override string Name {
 159                         get { return name; }
 160                 }
 161
 162                 public override MethodAttributes Attributes {
 163                         get { return attrs; }
 164                 }
 165
 166                 public override ICustomAttributeProvider ReturnTypeCustomAttributes {
 167                         get { return null; }
 168                 }
 169
 170                 public override CallingConventions CallingConvention {
 171                         get { return call_conv; }
 172                 }
 173
 174                 [MonoTODO("Not implemented")]
 175                 public string Signature {
 176                         get {
 177                                 throw new NotImplementedException ();
 178                         }
 179                 }
 180
 181                 /* Used by mcs */
 182                 internal bool BestFitMapping {
 183                         set {
 184                                 extra_flags = (uint) ((extra_flags & ~0x30) | (uint)(value ? 0x10 : 0x20));
 185                         }
 186                 }
 187
 188                 /* Used by mcs */
 189                 internal bool ThrowOnUnmappableChar {
 190                         set {
 191                                 extra_flags = (uint) ((extra_flags & ~0x3000) | (uint)(value ? 0x1000 : 0x2000));
 192                         }
 193                 }
 194
 195                 /* Used by mcs */
 196                 internal bool ExactSpelling {
 197                         set {
 198                                 extra_flags = (uint) ((extra_flags & ~0x01) | (uint)(value ? 0x01 : 0x00));
 199                         }
 200                 }
 201
 202                 /* Used by mcs */
 203                 internal bool SetLastError {
 204                         set {
 205                                 extra_flags = (uint) ((extra_flags & ~0x40) | (uint)(value ? 0x40 : 0x00));
 206                         }
 207                 }
 208
 209                 public MethodToken GetToken()
 210                 {
 211                         return new MethodToken(0x06000000 | table_idx);
 212                 }
 213
 214                 public override MethodInfo GetBaseDefinition()
 215                 {
 216                         return this;
 217                 }
 218
 219                 public override MethodImplAttributes GetMethodImplementationFlags()
 220                 {
 221                         return iattrs;
 222                 }
 223
 224                 public override ParameterInfo[] GetParameters()
 225                 {
 226                         if (!type.is_created)
 227                                 throw NotSupported ();
 228                         if (parameters == null)
 229                                 return null;
 230
 231                         ParameterInfo[] retval = new ParameterInfo [parameters.Length];
 232                         for (int i = 0; i < parameters.Length; i++) {
 233                                 retval [i] = new ParameterInfo (pinfo == null ? null : pinfo [i + 1], parameters [i], this, i + 1);
 234                         }
 235                         return retval;
 236                 }
 237
 238                 internal override int GetParameterCount ()
 239                 {
 240                         if (parameters == null)
 241                                 return 0;
 242
 243                         return parameters.Length;
 244                 }
 245
 246                 public Module GetModule ()
 247                 {
 248                         return type.Module;
 249                 }
 250
 251                 public void CreateMethodBody (byte[] il, int count)
 252                 {
 253                         if ((il != null) && ((count < 0) || (count > il.Length)))
 254                                 throw new ArgumentOutOfRangeException ("Index was out of range.  Must be non-negative and less than the size of the collection.");
 255
 256                         if ((code != null) || type.is_created)
 257                                 throw new InvalidOperationException ("Type definition of the method is complete.");
 258
 259                         if (il == null)
 260                                 code = null;
 261                         else {
 262                                 code = new byte [count];
 263                                 System.Array.Copy(il, code, count);
 264                         }
 265                 }
 266
 267                 public override Object Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
 268                 {
 269                         throw NotSupported ();
 270                 }
 271
 272                 public override bool IsDefined (Type attributeType, bool inherit)
 273                 {
 274                         throw NotSupported ();
 275                 }
 276
 277                 public override object[] GetCustomAttributes (bool inherit)
 278                 {
 279                         /*
 280                          * On MS.NET, this always returns not_supported, but we can't do this
 281                          * since there would be no way to obtain custom attributes of
 282                          * dynamically created ctors.
 283                          */
 284                         if (type.is_created)
 285                                 return MonoCustomAttrs.GetCustomAttributes (this, inherit);
 286                         else
 287                                 throw NotSupported ();
 288                 }
 289
 290                 public override object[] GetCustomAttributes (Type attributeType, bool inherit)
 291                 {
 292                         if (type.is_created)
 293                                 return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
 294                         else
 295                                 throw NotSupported ();
 296                 }
 297
 298                 public ILGenerator GetILGenerator ()
 299                 {
 300                         return GetILGenerator (64);
 301                 }
 302
 303                 public ILGenerator GetILGenerator (int size)
 304                 {
 305                         if (((iattrs & MethodImplAttributes.CodeTypeMask) !=
 306                                  MethodImplAttributes.IL) ||
 307                                 ((iattrs & MethodImplAttributes.ManagedMask) !=
 308                                  MethodImplAttributes.Managed))
 309                                 throw new InvalidOperationException ("Method body should not exist.");
 310                         if (ilgen != null)
 311                                 return ilgen;
 312                         ilgen = new ILGenerator (type.Module, ((ModuleBuilder)type.Module).GetTokenGenerator (), size);
 313                         return ilgen;
 314                 }
 315
 316                 public ParameterBuilder DefineParameter (int position, ParameterAttributes attributes, string strParamName)
 317                 {
 318                         RejectIfCreated ();
 319
 320                         //
 321                         // Extension: Mono allows position == 0 for the return attribute
 322                         //
 323                         if ((position < 0) || (position > parameters.Length))
 324                                 throw new ArgumentOutOfRangeException ("position");
 325
 326                         ParameterBuilder pb = new ParameterBuilder (this, position, attributes, strParamName);
 327                         if (pinfo == null)
 328                                 pinfo = new ParameterBuilder [parameters.Length + 1];
 329                         pinfo [position] = pb;
 330                         return pb;
 331                 }
 332
 333                 internal void check_override ()
 334                 {
 335                         if (override_method != null && override_method.IsVirtual && !IsVirtual)
 336                                 throw new TypeLoadException (String.Format("Method '{0}' override '{1}' but it is not virtual", name, override_method));
 337                 }
 338
 339                 internal void fixup ()
 340                 {
 341                         if (((attrs & (MethodAttributes.Abstract | MethodAttributes.PinvokeImpl)) == 0) && ((iattrs & (MethodImplAttributes.Runtime | MethodImplAttributes.InternalCall)) == 0)) {
 342 #if NET_2_0
 343                                 // do not allow zero length method body on MS.NET 2.0 (and higher)
 344                                 if (((ilgen == null) || (ILGenerator.Mono_GetCurrentOffset (ilgen) == 0)) && (code == null || code.Length == 0))
 345 #else
 346                                 if (((ilgen == null) || (ILGenerator.Mono_GetCurrentOffset (ilgen) == 0)) && (code == null))
 347 #endif
 348                                         throw new InvalidOperationException (
 349                                                                              String.Format ("Method '{0}.{1}' does not have a method body.",
 350                                                                                             DeclaringType.FullName, Name));
 351                         }
 352                         if (ilgen != null)
 353                                 ilgen.label_fixup ();
 354                 }
 355
 356                 internal void GenerateDebugInfo (ISymbolWriter symbolWriter)
 357                 {
 358                         if (ilgen != null && ilgen.HasDebugInfo) {
 359                                 SymbolToken token = new SymbolToken (GetToken().Token);
 360                                 symbolWriter.OpenMethod (token);
 361                                 symbolWriter.SetSymAttribute (token, "__name", System.Text.Encoding.UTF8.GetBytes (Name));
 362                                 ilgen.GenerateDebugInfo (symbolWriter);
 363                                 symbolWriter.CloseMethod ();
 364                         }
 365                 }
 366
 367                 public void SetCustomAttribute (CustomAttributeBuilder customBuilder)
 368                 {
 369                         if (customBuilder == null)
 370                                 throw new ArgumentNullException ("customBuilder");
 371
 372                         switch (customBuilder.Ctor.ReflectedType.FullName) {
 373                                 case "System.Runtime.CompilerServices.MethodImplAttribute":
 374                                         byte[] data = customBuilder.Data;
 375                                         int impla; // the (stupid) ctor takes a short or an int ...
 376                                         impla = (int)data [2];
 377                                         impla |= ((int)data [3]) << 8;
 378                                         iattrs |= (MethodImplAttributes)impla;
 379                                         return;
 380
 381                                 case "System.Runtime.InteropServices.DllImportAttribute":
 382                                         CustomAttributeBuilder.CustomAttributeInfo attr = CustomAttributeBuilder.decode_cattr (customBuilder);
 383                                         bool preserveSig = true;
 384
 385                                         /*
 386                                          * It would be easier to construct a DllImportAttribute from
 387                                          * the custom attribute builder, but the DllImportAttribute
 388                                          * does not contain all the information required here, ie.
 389                                          * - some parameters, like BestFitMapping has three values
 390                                          *   ("on", "off", "missing"), but DllImportAttribute only
 391                                          *   contains two (on/off).
 392                                          * - PreserveSig is true by default, while it is false by
 393                                          *   default in DllImportAttribute.
 394                                          */
 395
 396                                         pi_dll = (string)attr.ctorArgs[0];
 397                                         if (pi_dll == null || pi_dll.Length == 0)
 398                                                 throw new ArgumentException ("DllName cannot be empty");
 399
 400                                         native_cc = System.Runtime.InteropServices.CallingConvention.Winapi;
 401
 402                                         for (int i = 0; i < attr.namedParamNames.Length; ++i) {
 403                                                 string name = attr.namedParamNames [i];
 404                                                 object value = attr.namedParamValues [i];
 405
 406                                                 if (name == "CallingConvention")
 407                                                         native_cc = (CallingConvention)value;
 408                                                 else if (name == "CharSet")
 409                                                         charset = (CharSet)value;
 410                                                 else if (name == "EntryPoint")
 411                                                         pi_entry = (string)value;
 412                                                 else if (name == "ExactSpelling")
 413                                                         ExactSpelling = (bool)value;
 414                                                 else if (name == "SetLastError")
 415                                                         SetLastError = (bool)value;
 416                                                 else if (name == "PreserveSig")
 417                                                         preserveSig = (bool)value;
 418 #if NET_1_1
 419                                         else if (name == "BestFitMapping")
 420                                                 BestFitMapping = (bool)value;
 421                                         else if (name == "ThrowOnUnmappableChar")
 422                                                 ThrowOnUnmappableChar = (bool)value;
 423 #endif
 424                                         }
 425
 426                                         attrs |= MethodAttributes.PinvokeImpl;
 427                                         if (preserveSig)
 428                                                 iattrs |= MethodImplAttributes.PreserveSig;
 429                                         return;
 430
 431                                 case "System.Runtime.InteropServices.PreserveSigAttribute":
 432                                         iattrs |= MethodImplAttributes.PreserveSig;
 433                                         return;
 434 #if NET_2_0
 435                                 case "System.Runtime.CompilerServices.SpecialNameAttribute":
 436                                         attrs |= MethodAttributes.SpecialName;
 437                                         return;
 438 #endif
 439                                 case "System.Security.SuppressUnmanagedCodeSecurityAttribute":
 440                                         attrs |= MethodAttributes.HasSecurity;
 441                                         break;
 442                         }
 443
 444                         if (cattrs != null) {
 445                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
 446                                 cattrs.CopyTo (new_array, 0);
 447                                 new_array [cattrs.Length] = customBuilder;
 448                                 cattrs = new_array;
 449                         } else {
 450                                 cattrs = new CustomAttributeBuilder [1];
 451                                 cattrs [0] = customBuilder;
 452                         }
 453                 }
 454
 455 #if NET_2_0
 456                 [ComVisible (true)]
 457 #endif
 458                 public void SetCustomAttribute (ConstructorInfo con, byte[] binaryAttribute)
 459                 {
 460                         if (con == null)
 461                                 throw new ArgumentNullException ("con");
 462                         if (binaryAttribute == null)
 463                                 throw new ArgumentNullException ("binaryAttribute");
 464                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
 465                 }
 466
 467                 public void SetImplementationFlags (MethodImplAttributes attributes)
 468                 {
 469                         RejectIfCreated ();
 470                         iattrs = attributes;
 471                 }
 472
 473                 public void AddDeclarativeSecurity (SecurityAction action, PermissionSet pset)
 474                 {
 475                         if (pset == null)
 476                                 throw new ArgumentNullException ("pset");
 477                         if ((action == SecurityAction.RequestMinimum) ||
 478                                 (action == SecurityAction.RequestOptional) ||
 479                                 (action == SecurityAction.RequestRefuse))
 480                                 throw new ArgumentOutOfRangeException ("Request* values are not permitted", "action");
 481
 482                         RejectIfCreated ();
 483
 484                         if (permissions != null) {
 485                                 /* Check duplicate actions */
 486                                 foreach (RefEmitPermissionSet set in permissions)
 487                                         if (set.action == action)
 488                                                 throw new InvalidOperationException ("Multiple permission sets specified with the same SecurityAction.");
 489
 490                                 RefEmitPermissionSet[] new_array = new RefEmitPermissionSet [permissions.Length + 1];
 491                                 permissions.CopyTo (new_array, 0);
 492                                 permissions = new_array;
 493                         }
 494                         else
 495                                 permissions = new RefEmitPermissionSet [1];
 496
 497                         permissions [permissions.Length - 1] = new RefEmitPermissionSet (action, pset.ToXml ().ToString ());
 498                         attrs |= MethodAttributes.HasSecurity;
 499                 }
 500
 501 #if NET_2_0
 502                 [Obsolete ("An alternate API is available: Emit the MarshalAs custom attribute instead.")]
 503 #endif
 504                 public void SetMarshal (UnmanagedMarshal unmanagedMarshal)
 505                 {
 506                         RejectIfCreated ();
 507                         throw new NotImplementedException ();
 508                 }
 509
 510                 [MonoTODO]
 511                 public void SetSymCustomAttribute (string name, byte[] data)
 512                 {
 513                         RejectIfCreated ();
 514                         throw new NotImplementedException ();
 515                 }
 516
 517                 public override string ToString()
 518                 {
 519                         return "MethodBuilder [" + type.Name + "::" + name + "]";
 520                 }
 521
 522                 [MonoTODO]
 523                 public override bool Equals (object obj)
 524                 {
 525                         return base.Equals (obj);
 526                 }
 527
 528                 public override int GetHashCode ()
 529                 {
 530                         return name.GetHashCode ();
 531                 }
 532
 533                 internal override int get_next_table_index (object obj, int table, bool inc)
 534                 {
 535                         return type.get_next_table_index (obj, table, inc);
 536                 }
 537
 538                 internal void set_override (MethodInfo mdecl)
 539                 {
 540                         override_method = mdecl;
 541                 }
 542
 543                 private void RejectIfCreated ()
 544                 {
 545                         if (type.is_created)
 546                                 throw new InvalidOperationException ("Type definition of the method is complete.");
 547                 }
 548
 549                 private Exception NotSupported ()
 550                 {
 551                         return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
 552                 }
 553
 554 #if NET_2_0 || BOOTSTRAP_NET_2_0
 555                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 556                 public override extern MethodInfo MakeGenericMethod (params Type [] typeArguments);
 557
 558                 public override bool IsGenericMethodDefinition {
 559                         get {
 560                                 return generic_params != null;
 561                         }
 562                 }
 563
 564                 public override bool IsGenericMethod {
 565                         get {
 566                                 return generic_params != null;
 567                         }
 568                 }
 569
 570                 public override MethodInfo GetGenericMethodDefinition ()
 571                 {
 572                         if (!IsGenericMethodDefinition)
 573                                 throw new InvalidOperationException ();
 574
 575                         return this;
 576                 }
 577
 578                 public override Type[] GetGenericArguments ()
 579                 {
 580                         if (generic_params == null)
 581                                 return Type.EmptyTypes;
 582
 583                         Type[] result = new Type [generic_params.Length];
 584                         for (int i = 0; i < generic_params.Length; i++)
 585                                 result [i] = generic_params [i];
 586
 587                         return result;
 588                 }
 589
 590                 public GenericTypeParameterBuilder[] DefineGenericParameters (params string[] names)
 591                 {
 592                         if (names == null)
 593                                 throw new ArgumentNullException ("names");
 594
 595                         generic_params = new GenericTypeParameterBuilder [names.Length];
 596                         for (int i = 0; i < names.Length; i++)
 597                                 generic_params [i] = new GenericTypeParameterBuilder (
 598                                         type, this, names [i], i);
 599
 600                         return generic_params;
 601                 }
 602
 603                 public void SetReturnType (Type returnType)
 604                 {
 605                         rtype = returnType;
 606                 }
 607
 608                 public void SetParameters (params Type[] parameterTypes)
 609                 {
 610                         if (parameterTypes != null) {
 611                                 for (int i = 0; i < parameterTypes.Length; ++i)
 612                                         if (parameterTypes [i] == null)
 613                                                 throw new ArgumentException ("Elements of the parameterTypes array cannot be null", "parameterTypes");
 614
 615                                 this.parameters = new Type [parameterTypes.Length];
 616                                 System.Array.Copy (parameterTypes, this.parameters, parameterTypes.Length);
 617                         }
 618                 }
 619
 620                 public void SetSignature (Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers)
 621                 {
 622                         SetReturnType (returnType);
 623                         SetParameters (parameterTypes);
 624                         this.returnModReq = returnTypeRequiredCustomModifiers;
 625                         this.returnModOpt = returnTypeOptionalCustomModifiers;
 626                         this.paramModReq = parameterTypeRequiredCustomModifiers;
 627                         this.paramModOpt = parameterTypeOptionalCustomModifiers;
 628                 }
 629
 630                 public override Module Module {
 631                         get {
 632                                 return base.Module;
 633                         }
 634                 }
 635 #endif
 636
 637                 void _MethodBuilder.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
 638                 {
 639                         throw new NotImplementedException ();
 640                 }
 641
 642                 void _MethodBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
 643                 {
 644                         throw new NotImplementedException ();
 645                 }
 646
 647                 void _MethodBuilder.GetTypeInfoCount (out uint pcTInfo)
 648                 {
 649                         throw new NotImplementedException ();
 650                 }
 651
 652                 void _MethodBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
 653                 {
 654                         throw new NotImplementedException ();
 655                 }
 656         }
 657 }