class/corlib/System.Reflection.Emit/ModuleBuilder.cs

   1
   2 //
   3 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
   4 //
   5 // Permission is hereby granted, free of charge, to any person obtaining
   6 // a copy of this software and associated documentation files (the
   7 // "Software"), to deal in the Software without restriction, including
   8 // without limitation the rights to use, copy, modify, merge, publish,
   9 // distribute, sublicense, and/or sell copies of the Software, and to
  10 // permit persons to whom the Software is furnished to do so, subject to
  11 // the following conditions:
  12 //
  13 // The above copyright notice and this permission notice shall be
  14 // included in all copies or substantial portions of the Software.
  15 //
  16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  20 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  21 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  22 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23 //
  24
  25 //
  26 // System.Reflection.Emit/ModuleBuilder.cs
  27 //
  28 // Author:
  29 //   Paolo Molaro (lupus@ximian.com)
  30 //
  31 // (C) 2001 Ximian, Inc.  http://www.ximian.com
  32 //
  33
  34 using System;
  35 using System.Reflection;
  36 using System.Collections;
  37 using System.Collections.Generic;
  38 using System.Runtime.CompilerServices;
  39 using System.Runtime.InteropServices;
  40 using System.Diagnostics.SymbolStore;
  41 using System.IO;
  42 using System.Resources;
  43 using System.Globalization;
  44
  45 namespace System.Reflection.Emit {
  46         [ComVisible (true)]
  47         [ComDefaultInterface (typeof (_ModuleBuilder))]
  48         [ClassInterface (ClassInterfaceType.None)]
  49         public class ModuleBuilder : Module, _ModuleBuilder {
  50
  51 #pragma warning disable 169, 414
  52                 #region Sync with object-internals.h
  53                 private UIntPtr dynamic_image; /* GC-tracked */
  54                 private int num_types;
  55                 private TypeBuilder[] types;
  56                 private CustomAttributeBuilder[] cattrs;
  57                 private byte[] guid;
  58                 private int table_idx;
  59                 internal AssemblyBuilder assemblyb;
  60                 private MethodBuilder[] global_methods;
  61                 private FieldBuilder[] global_fields;
  62                 bool is_main;
  63                 private MonoResource[] resources;
  64                 #endregion
  65 #pragma warning restore 169, 414
  66
  67                 private TypeBuilder global_type;
  68                 private Type global_type_created;
  69                 Hashtable name_cache;
  70                 Dictionary<string, int> us_string_cache;
  71                 private int[] table_indexes;
  72                 bool transient;
  73                 ModuleBuilderTokenGenerator token_gen;
  74                 Hashtable resource_writers;
  75                 ISymbolWriter symbolWriter;
  76
  77                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  78                 private static extern void basic_init (ModuleBuilder ab);
  79
  80                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  81                 private static extern void set_wrappers_type (ModuleBuilder mb, Type ab);
  82
  83                 internal ModuleBuilder (AssemblyBuilder assb, string name, string fullyqname, bool emitSymbolInfo, bool transient) {
  84                         this.name = this.scopename = name;
  85                         this.fqname = fullyqname;
  86                         this.assembly = this.assemblyb = assb;
  87                         this.transient = transient;
  88                         // to keep mcs fast we do not want CryptoConfig wo be involved to create the RNG
  89                         guid = Guid.FastNewGuidArray ();
  90                         // guid = Guid.NewGuid().ToByteArray ();
  91                         table_idx = get_next_table_index (this, 0x00, true);
  92                         name_cache = new Hashtable ();
  93                         us_string_cache = new Dictionary<string, int> (512);
  94
  95                         basic_init (this);
  96
  97                         CreateGlobalType ();
  98
  99                         if (assb.IsRun) {
 100                                 TypeBuilder tb = new TypeBuilder (this, TypeAttributes.Abstract, 0xFFFFFF); /*last valid token*/
 101                                 Type type = tb.CreateType ();
 102                                 set_wrappers_type (this, type);
 103                         }
 104
 105                         if (emitSymbolInfo) {
 106 #if MOONLIGHT
 107                                 symbolWriter = new Mono.CompilerServices.SymbolWriter.SymbolWriterImpl (this);
 108 #else
 109                                 Assembly asm = Assembly.LoadWithPartialName ("Mono.CompilerServices.SymbolWriter");
 110                                 if (asm == null)
 111                                         throw new ExecutionEngineException ("The assembly for default symbol writer cannot be loaded");
 112
 113                                 Type t = asm.GetType ("Mono.CompilerServices.SymbolWriter.SymbolWriterImpl");
 114                                 if (t == null)
 115                                         throw new ExecutionEngineException ("The type that implements the default symbol writer interface cannot be found");
 116
 117                                 symbolWriter = (ISymbolWriter) Activator.CreateInstance (t, new object[] { this });
 118 #endif
 119                                 string fileName = fqname;
 120                                 if (assemblyb.AssemblyDir != null)
 121                                         fileName = Path.Combine (assemblyb.AssemblyDir, fileName);
 122                                 symbolWriter.Initialize (IntPtr.Zero, fileName, true);
 123                         }
 124                 }
 125
 126                 public override string FullyQualifiedName {get { return fqname;}}
 127
 128                 public bool IsTransient () {
 129                         return transient;
 130                 }
 131
 132                 public void CreateGlobalFunctions ()
 133                 {
 134                         if (global_type_created != null)
 135                                 throw new InvalidOperationException ("global methods already created");
 136                         if (global_type != null)
 137                                 global_type_created = global_type.CreateType ();
 138                 }
 139
 140                 public FieldBuilder DefineInitializedData( string name, byte[] data, FieldAttributes attributes) {
 141                         if (data == null)
 142                                 throw new ArgumentNullException ("data");
 143
 144                         FieldBuilder fb = DefineUninitializedData (name, data.Length,
 145                                                                                                            attributes | FieldAttributes.HasFieldRVA);
 146                         fb.SetRVAData (data);
 147
 148                         return fb;
 149                 }
 150
 151                 public FieldBuilder DefineUninitializedData (string name, int size, FieldAttributes attributes)
 152                 {
 153                         if (name == null)
 154                                 throw new ArgumentNullException ("name");
 155                         if (global_type_created != null)
 156                                 throw new InvalidOperationException ("global fields already created");
 157                         if ((size <= 0) || (size > 0x3f0000))
 158                                 throw new ArgumentException ("size", "Data size must be > 0 and < 0x3f0000");
 159
 160                         CreateGlobalType ();
 161
 162                         string typeName = "$ArrayType$" + size;
 163                         Type datablobtype = GetType (typeName, false, false);
 164                         if (datablobtype == null) {
 165                                 TypeBuilder tb = DefineType (typeName,
 166                                     TypeAttributes.Public|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
 167                                         assemblyb.corlib_value_type, null, PackingSize.Size1, size);
 168                                 tb.CreateType ();
 169                                 datablobtype = tb;
 170                         }
 171                         FieldBuilder fb = global_type.DefineField (name, datablobtype, attributes|FieldAttributes.Static);
 172
 173                         if (global_fields != null) {
 174                                 FieldBuilder[] new_fields = new FieldBuilder [global_fields.Length+1];
 175                                 System.Array.Copy (global_fields, new_fields, global_fields.Length);
 176                                 new_fields [global_fields.Length] = fb;
 177                                 global_fields = new_fields;
 178                         } else {
 179                                 global_fields = new FieldBuilder [1];
 180                                 global_fields [0] = fb;
 181                         }
 182                         return fb;
 183                 }
 184
 185                 private void addGlobalMethod (MethodBuilder mb) {
 186                         if (global_methods != null) {
 187                                 MethodBuilder[] new_methods = new MethodBuilder [global_methods.Length+1];
 188                                 System.Array.Copy (global_methods, new_methods, global_methods.Length);
 189                                 new_methods [global_methods.Length] = mb;
 190                                 global_methods = new_methods;
 191                         } else {
 192                                 global_methods = new MethodBuilder [1];
 193                                 global_methods [0] = mb;
 194                         }
 195                 }
 196
 197                 public MethodBuilder DefineGlobalMethod (string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes)
 198                 {
 199                         return DefineGlobalMethod (name, attributes, CallingConventions.Standard, returnType, parameterTypes);
 200                 }
 201
 202                 public MethodBuilder DefineGlobalMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
 203                         return DefineGlobalMethod (name, attributes, callingConvention, returnType, null, null, parameterTypes, null, null);
 204                 }
 205
 206                 public MethodBuilder DefineGlobalMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] requiredReturnTypeCustomModifiers, Type[] optionalReturnTypeCustomModifiers, Type[] parameterTypes, Type[][] requiredParameterTypeCustomModifiers, Type[][] optionalParameterTypeCustomModifiers)
 207                 {
 208                         if (name == null)
 209                                 throw new ArgumentNullException ("name");
 210                         if ((attributes & MethodAttributes.Static) == 0)
 211                                 throw new ArgumentException ("global methods must be static");
 212                         if (global_type_created != null)
 213                                 throw new InvalidOperationException ("global methods already created");
 214                         CreateGlobalType ();
 215                         MethodBuilder mb = global_type.DefineMethod (name, attributes, callingConvention, returnType, requiredReturnTypeCustomModifiers, optionalReturnTypeCustomModifiers, parameterTypes, requiredParameterTypeCustomModifiers, optionalParameterTypeCustomModifiers);
 216
 217                         addGlobalMethod (mb);
 218                         return mb;
 219                 }
 220
 221                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 222                         return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes, nativeCallConv, nativeCharSet);
 223                 }
 224
 225                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
 226                         if (name == null)
 227                                 throw new ArgumentNullException ("name");
 228                         if ((attributes & MethodAttributes.Static) == 0)
 229                                 throw new ArgumentException ("global methods must be static");
 230                         if (global_type_created != null)
 231                                 throw new InvalidOperationException ("global methods already created");
 232                         CreateGlobalType ();
 233                         MethodBuilder mb = global_type.DefinePInvokeMethod (name, dllName, entryName, attributes, callingConvention, returnType, parameterTypes, nativeCallConv, nativeCharSet);
 234
 235                         addGlobalMethod (mb);
 236                         return mb;
 237                 }
 238
 239                 public TypeBuilder DefineType (string name) {
 240                         return DefineType (name, 0);
 241                 }
 242
 243                 public TypeBuilder DefineType (string name, TypeAttributes attr) {
 244                         if ((attr & TypeAttributes.Interface) != 0)
 245                                 return DefineType (name, attr, null, null);
 246                         return DefineType (name, attr, typeof(object), null);
 247                 }
 248
 249                 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent) {
 250                         return DefineType (name, attr, parent, null);
 251                 }
 252
 253                 private void AddType (TypeBuilder tb)
 254                 {
 255                         if (types != null) {
 256                                 if (types.Length == num_types) {
 257                                         TypeBuilder[] new_types = new TypeBuilder [types.Length * 2];
 258                                         System.Array.Copy (types, new_types, num_types);
 259                                         types = new_types;
 260                                 }
 261                         } else {
 262                                 types = new TypeBuilder [1];
 263                         }
 264                         types [num_types] = tb;
 265                         num_types ++;
 266                 }
 267
 268                 private TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packingSize, int typesize) {
 269                         if (name == null)
 270                                 throw new ArgumentNullException ("fullname");
 271                         if (name_cache.ContainsKey (name))
 272                                 throw new ArgumentException ("Duplicate type name within an assembly.");
 273                         TypeBuilder res = new TypeBuilder (this, name, attr, parent, interfaces, packingSize, typesize, null);
 274                         AddType (res);
 275
 276                         name_cache.Add (name, res);
 277
 278                         return res;
 279                 }
 280
 281                 internal void RegisterTypeName (TypeBuilder tb, string name)
 282                 {
 283                         name_cache.Add (name, tb);
 284                 }
 285
 286                 internal TypeBuilder GetRegisteredType (string name)
 287                 {
 288                         return (TypeBuilder) name_cache [name];
 289                 }
 290
 291                 [ComVisible (true)]
 292                 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, Type[] interfaces) {
 293                         return DefineType (name, attr, parent, interfaces, PackingSize.Unspecified, TypeBuilder.UnspecifiedTypeSize);
 294                 }
 295
 296                 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, int typesize) {
 297                         return DefineType (name, attr, parent, null, PackingSize.Unspecified, TypeBuilder.UnspecifiedTypeSize);
 298                 }
 299
 300                 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, PackingSize packsize) {
 301                         return DefineType (name, attr, parent, null, packsize, TypeBuilder.UnspecifiedTypeSize);
 302                 }
 303
 304                 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, PackingSize packingSize, int typesize) {
 305                         return DefineType (name, attr, parent, null, packingSize, typesize);
 306                 }
 307
 308                 public MethodInfo GetArrayMethod( Type arrayClass, string methodName, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
 309                         return new MonoArrayMethod (arrayClass, methodName, callingConvention, returnType, parameterTypes);
 310                 }
 311
 312                 public EnumBuilder DefineEnum( string name, TypeAttributes visibility, Type underlyingType) {
 313                         if (name_cache.Contains (name))
 314                                 throw new ArgumentException ("Duplicate type name within an assembly.");
 315
 316                         EnumBuilder eb = new EnumBuilder (this, name, visibility, underlyingType);
 317                         TypeBuilder res = eb.GetTypeBuilder ();
 318                         AddType (res);
 319                         name_cache.Add (name, res);
 320                         return eb;
 321                 }
 322
 323                 [ComVisible (true)]
 324                 public override Type GetType( string className) {
 325                         return GetType (className, false, false);
 326                 }
 327
 328                 [ComVisible (true)]
 329                 public override Type GetType( string className, bool ignoreCase) {
 330                         return GetType (className, false, ignoreCase);
 331                 }
 332
 333                 private TypeBuilder search_in_array (TypeBuilder[] arr, int validElementsInArray, string className) {
 334                         int i;
 335                         for (i = 0; i < validElementsInArray; ++i) {
 336                                 if (String.Compare (className, arr [i].FullName, true, CultureInfo.InvariantCulture) == 0) {
 337                                         return arr [i];
 338                                 }
 339                         }
 340                         return null;
 341                 }
 342
 343                 private TypeBuilder search_nested_in_array (TypeBuilder[] arr, int validElementsInArray, string className) {
 344                         int i;
 345                         for (i = 0; i < validElementsInArray; ++i) {
 346                                 if (String.Compare (className, arr [i].Name, true, CultureInfo.InvariantCulture) == 0)
 347                                         return arr [i];
 348                         }
 349                         return null;
 350                 }
 351
 352                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 353                 private static extern Type create_modified_type (TypeBuilder tb, string modifiers);
 354
 355                 static readonly char [] type_modifiers = {'&', '[', '*'};
 356
 357                 private TypeBuilder GetMaybeNested (TypeBuilder t, string className) {
 358                         int subt;
 359                         string pname, rname;
 360
 361                         subt = className.IndexOf ('+');
 362                         if (subt < 0) {
 363                                 if (t.subtypes != null)
 364                                         return search_nested_in_array (t.subtypes, t.subtypes.Length, className);
 365                                 return null;
 366                         }
 367                         if (t.subtypes != null) {
 368                                 pname = className.Substring (0, subt);
 369                                 rname = className.Substring (subt + 1);
 370                                 TypeBuilder result = search_nested_in_array (t.subtypes, t.subtypes.Length, pname);
 371                                 if (result != null)
 372                                         return GetMaybeNested (result, rname);
 373                         }
 374                         return null;
 375                 }
 376
 377                 [ComVisible (true)]
 378                 public override Type GetType (string className, bool throwOnError, bool ignoreCase)
 379                 {
 380                         if (className == null)
 381                                 throw new ArgumentNullException ("className");
 382                         if (className.Length == 0)
 383                                 throw new ArgumentException ("className");
 384
 385                         int subt;
 386                         string orig = className;
 387                         string modifiers;
 388                         TypeBuilder result = null;
 389
 390                         if (types == null && throwOnError)
 391                                 throw new TypeLoadException (className);
 392
 393                         subt = className.IndexOfAny (type_modifiers);
 394                         if (subt >= 0) {
 395                                 modifiers = className.Substring (subt);
 396                                 className = className.Substring (0, subt);
 397                         } else
 398                                 modifiers = null;
 399
 400                         if (!ignoreCase) {
 401                                 result =  name_cache [className] as TypeBuilder;
 402                         } else {
 403                                 subt = className.IndexOf ('+');
 404                                 if (subt < 0) {
 405                                         if (types != null)
 406                                                 result = search_in_array (types, num_types,  className);
 407                                 } else {
 408                                         string pname, rname;
 409                                         pname = className.Substring (0, subt);
 410                                         rname = className.Substring (subt + 1);
 411                                         result = search_in_array (types, num_types, pname);
 412                                         if (result != null)
 413                                                 result = GetMaybeNested (result, rname);
 414                                 }
 415                         }
 416                         if ((result == null) && throwOnError)
 417                                 throw new TypeLoadException (orig);
 418                         if (result != null && (modifiers != null)) {
 419                                 Type mt = create_modified_type (result, modifiers);
 420                                 result = mt as TypeBuilder;
 421                                 if (result == null)
 422                                         return mt;
 423                         }
 424                         if (result != null && result.is_created)
 425                                 return result.CreateType ();
 426                         else
 427                                 return result;
 428                 }
 429
 430                 internal int get_next_table_index (object obj, int table, bool inc) {
 431                         if (table_indexes == null) {
 432                                 table_indexes = new int [64];
 433                                 for (int i=0; i < 64; ++i)
 434                                         table_indexes [i] = 1;
 435                                 /* allow room for .<Module> in TypeDef table */
 436                                 table_indexes [0x02] = 2;
 437                         }
 438                         // Console.WriteLine ("getindex for table "+table.ToString()+" got "+table_indexes [table].ToString());
 439                         if (inc)
 440                                 return table_indexes [table]++;
 441                         return table_indexes [table];
 442                 }
 443
 444                 public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
 445                         if (cattrs != null) {
 446                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
 447                                 cattrs.CopyTo (new_array, 0);
 448                                 new_array [cattrs.Length] = customBuilder;
 449                                 cattrs = new_array;
 450                         } else {
 451                                 cattrs = new CustomAttributeBuilder [1];
 452                                 cattrs [0] = customBuilder;
 453                         }
 454                 }
 455
 456                 [ComVisible (true)]
 457                 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
 458                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
 459                 }
 460
 461                 public ISymbolWriter GetSymWriter () {
 462                         return symbolWriter;
 463                 }
 464
 465                 public ISymbolDocumentWriter DefineDocument (string url, Guid language, Guid languageVendor, Guid documentType)
 466                 {
 467                         if (symbolWriter != null)
 468                                 return symbolWriter.DefineDocument (url, language, languageVendor, documentType);
 469                         else
 470                                 return null;
 471                 }
 472
 473                 public override Type [] GetTypes ()
 474                 {
 475                         if (types == null)
 476                                 return Type.EmptyTypes;
 477
 478                         int n = num_types;
 479                         Type [] copy = new Type [n];
 480                         Array.Copy (types, copy, n);
 481
 482                         // MS replaces the typebuilders with their created types
 483                         for (int i = 0; i < copy.Length; ++i)
 484                                 if (types [i].is_created)
 485                                         copy [i] = types [i].CreateType ();
 486
 487                         return copy;
 488                 }
 489
 490                 public IResourceWriter DefineResource (string name, string description, ResourceAttributes attribute)
 491                 {
 492                         if (name == null)
 493                                 throw new ArgumentNullException ("name");
 494                         if (name == String.Empty)
 495                                 throw new ArgumentException ("name cannot be empty");
 496                         if (transient)
 497                                 throw new InvalidOperationException ("The module is transient");
 498                         if (!assemblyb.IsSave)
 499                                 throw new InvalidOperationException ("The assembly is transient");
 500                         ResourceWriter writer = new ResourceWriter (new MemoryStream ());
 501                         if (resource_writers == null)
 502                                 resource_writers = new Hashtable ();
 503                         resource_writers [name] = writer;
 504
 505                         // The data is filled out later
 506                         if (resources != null) {
 507                                 MonoResource[] new_r = new MonoResource [resources.Length + 1];
 508                                 System.Array.Copy(resources, new_r, resources.Length);
 509                                 resources = new_r;
 510                         } else {
 511                                 resources = new MonoResource [1];
 512                         }
 513                         int p = resources.Length - 1;
 514                         resources [p].name = name;
 515                         resources [p].attrs = attribute;
 516
 517                         return writer;
 518                 }
 519
 520                 public IResourceWriter DefineResource (string name, string description)
 521                 {
 522                         return DefineResource (name, description, ResourceAttributes.Public);
 523                 }
 524
 525                 [MonoTODO]
 526                 public void DefineUnmanagedResource (byte[] resource)
 527                 {
 528                         if (resource == null)
 529                                 throw new ArgumentNullException ("resource");
 530
 531                         throw new NotImplementedException ();
 532                 }
 533
 534                 [MonoTODO]
 535                 public void DefineUnmanagedResource (string resourceFileName)
 536                 {
 537                         if (resourceFileName == null)
 538                                 throw new ArgumentNullException ("resourceFileName");
 539                         if (resourceFileName == String.Empty)
 540                                 throw new ArgumentException ("resourceFileName");
 541                         if (!File.Exists (resourceFileName) || Directory.Exists (resourceFileName))
 542                                 throw new FileNotFoundException ("File '" + resourceFileName + "' does not exists or is a directory.");
 543
 544                         throw new NotImplementedException ();
 545                 }
 546
 547                 public void DefineManifestResource (string name, Stream stream, ResourceAttributes attribute) {
 548                         if (name == null)
 549                                 throw new ArgumentNullException ("name");
 550                         if (name == String.Empty)
 551                                 throw new ArgumentException ("name cannot be empty");
 552                         if (stream == null)
 553                                 throw new ArgumentNullException ("stream");
 554                         if (transient)
 555                                 throw new InvalidOperationException ("The module is transient");
 556                         if (!assemblyb.IsSave)
 557                                 throw new InvalidOperationException ("The assembly is transient");
 558
 559                         if (resources != null) {
 560                                 MonoResource[] new_r = new MonoResource [resources.Length + 1];
 561                                 System.Array.Copy(resources, new_r, resources.Length);
 562                                 resources = new_r;
 563                         } else {
 564                                 resources = new MonoResource [1];
 565                         }
 566                         int p = resources.Length - 1;
 567                         resources [p].name = name;
 568                         resources [p].attrs = attribute;
 569                         resources [p].stream = stream;
 570                 }
 571
 572                 [MonoTODO]
 573                 public void SetSymCustomAttribute (string name, byte[] data)
 574                 {
 575                         throw new NotImplementedException ();
 576                 }
 577
 578                 [MonoTODO]
 579                 public void SetUserEntryPoint (MethodInfo entryPoint)
 580                 {
 581                         if (entryPoint == null)
 582                                 throw new ArgumentNullException ("entryPoint");
 583                         if (entryPoint.DeclaringType.Module != this)
 584                                 throw new InvalidOperationException ("entryPoint is not contained in this module");
 585                         throw new NotImplementedException ();
 586                 }
 587
 588                 public MethodToken GetMethodToken (MethodInfo method)
 589                 {
 590                         if (method == null)
 591                                 throw new ArgumentNullException ("method");
 592                         if (method.DeclaringType.Module != this)
 593                                 throw new InvalidOperationException ("The method is not in this module");
 594                         return new MethodToken (GetToken (method));
 595                 }
 596
 597                 public MethodToken GetArrayMethodToken (Type arrayClass, string methodName, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
 598                 {
 599                         return GetMethodToken (GetArrayMethod (arrayClass, methodName, callingConvention, returnType, parameterTypes));
 600                 }
 601
 602                 [ComVisible (true)]
 603                 public MethodToken GetConstructorToken (ConstructorInfo con)
 604                 {
 605                         if (con == null)
 606                                 throw new ArgumentNullException ("con");
 607                         return new MethodToken (GetToken (con));
 608                 }
 609
 610                 public FieldToken GetFieldToken (FieldInfo field)
 611                 {
 612                         if (field == null)
 613                                 throw new ArgumentNullException ("field");
 614                         if (field.DeclaringType.Module != this)
 615                                 throw new InvalidOperationException ("The method is not in this module");
 616                         return new FieldToken (GetToken (field));
 617                 }
 618
 619                 [MonoTODO]
 620                 public SignatureToken GetSignatureToken (byte[] sigBytes, int sigLength)
 621                 {
 622                         throw new NotImplementedException ();
 623                 }
 624
 625                 public SignatureToken GetSignatureToken (SignatureHelper sigHelper)
 626                 {
 627                         if (sigHelper == null)
 628                                 throw new ArgumentNullException ("sigHelper");
 629                         return new SignatureToken (GetToken (sigHelper));
 630                 }
 631
 632                 public StringToken GetStringConstant (string str)
 633                 {
 634                         if (str == null)
 635                                 throw new ArgumentNullException ("str");
 636                         return new StringToken (GetToken (str));
 637                 }
 638
 639                 public TypeToken GetTypeToken (Type type)
 640                 {
 641                         if (type == null)
 642                                 throw new ArgumentNullException ("type");
 643                         if (type.IsByRef)
 644                                 throw new ArgumentException ("type can't be a byref type", "type");
 645                         if (!IsTransient () && (type.Module is ModuleBuilder) && ((ModuleBuilder)type.Module).IsTransient ())
 646                                 throw new InvalidOperationException ("a non-transient module can't reference a transient module");
 647                         return new TypeToken (GetToken (type));
 648                 }
 649
 650                 public TypeToken GetTypeToken (string name)
 651                 {
 652                         return GetTypeToken (GetType (name));
 653                 }
 654
 655                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 656                 private static extern int getUSIndex (ModuleBuilder mb, string str);
 657
 658                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 659                 private static extern int getToken (ModuleBuilder mb, object obj);
 660
 661                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 662                 private static extern int getMethodToken (ModuleBuilder mb, MethodInfo method,
 663                                                           Type[] opt_param_types);
 664
 665                 internal int GetToken (string str)
 666                 {
 667                         int result;
 668                         if (!us_string_cache.TryGetValue (str, out result)) {
 669                                 result = getUSIndex (this, str);
 670                                 us_string_cache [str] = result;
 671                         }
 672
 673                         return result;
 674                 }
 675
 676                 internal int GetToken (MemberInfo member) {
 677                         return getToken (this, member);
 678                 }
 679
 680                 internal int GetToken (MethodInfo method, Type[] opt_param_types) {
 681                         return getMethodToken (this, method, opt_param_types);
 682                 }
 683
 684                 internal int GetToken (SignatureHelper helper) {
 685                         return getToken (this, helper);
 686                 }
 687
 688                 /*
 689                  * Register the token->obj mapping with the runtime so the Module.Resolve...
 690                  * methods will work for obj.
 691                  */
 692                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 693                 internal extern void RegisterToken (object obj, int token);
 694
 695                 internal TokenGenerator GetTokenGenerator () {
 696                         if (token_gen == null)
 697                                 token_gen = new ModuleBuilderTokenGenerator (this);
 698                         return token_gen;
 699                 }
 700
 701                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 702                 private static extern void build_metadata (ModuleBuilder mb);
 703
 704                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 705                 private extern void WriteToFile (IntPtr handle);
 706
 707                 internal void Save ()
 708                 {
 709                         if (transient && !is_main)
 710                                 return;
 711
 712                         if (types != null) {
 713                                 for (int i = 0; i < num_types; ++i)
 714                                         if (!types [i].is_created)
 715                                                 throw new NotSupportedException ("Type '" + types [i].FullName + "' was not completed.");
 716                         }
 717
 718                         if ((global_type != null) && (global_type_created == null))
 719                                 global_type_created = global_type.CreateType ();
 720
 721                         if (resources != null) {
 722                                 for (int i = 0; i < resources.Length; ++i) {
 723                                         IResourceWriter rwriter;
 724                                         if (resource_writers != null && (rwriter = resource_writers [resources [i].name] as IResourceWriter) != null) {
 725                                                 ResourceWriter writer = (ResourceWriter)rwriter;
 726                                                 writer.Generate ();
 727                                                 MemoryStream mstream = (MemoryStream)writer.Stream;
 728                                                 resources [i].data = new byte [mstream.Length];
 729                                                 mstream.Seek (0, SeekOrigin.Begin);
 730                                                 mstream.Read (resources [i].data, 0, (int)mstream.Length);
 731                                                 continue;
 732                                         }
 733                                         Stream stream = resources [i].stream;
 734
 735                                         // According to MSDN docs, the stream is read during assembly save, not earlier
 736                                         if (stream != null) {
 737                                                 try {
 738                                                         long len = stream.Length;
 739                                                         resources [i].data = new byte [len];
 740                                                         stream.Seek (0, SeekOrigin.Begin);
 741                                                         stream.Read (resources [i].data, 0, (int)len);
 742                                                 } catch {
 743                                                         /* do something */
 744                                                 }
 745                                         }
 746                                 }
 747                         }
 748
 749                         build_metadata (this);
 750
 751                         string fileName = fqname;
 752                         if (assemblyb.AssemblyDir != null)
 753                                 fileName = Path.Combine (assemblyb.AssemblyDir, fileName);
 754
 755                         try {
 756                                 // We mmap the file, so unlink the previous version since it may be in use
 757                                 File.Delete (fileName);
 758                         } catch {
 759                                 // We can safely ignore
 760                         }
 761                         using (FileStream file = new FileStream (fileName, FileMode.Create, FileAccess.Write))
 762                                 WriteToFile (file.Handle);
 763
 764                         //
 765                         // The constant 0x80000000 is internal to Mono, it means `make executable'
 766                         //
 767                         File.SetAttributes (fileName, (FileAttributes) (unchecked ((int) 0x80000000)));
 768
 769                         if (types != null && symbolWriter != null) {
 770                                 for (int i = 0; i < num_types; ++i)
 771                                         types [i].GenerateDebugInfo (symbolWriter);
 772                                 symbolWriter.Close ();
 773                         }
 774                 }
 775
 776                 internal string FileName {
 777                         get {
 778                                 return fqname;
 779                         }
 780                 }
 781
 782                 internal bool IsMain {
 783                         set {
 784                                 is_main = value;
 785                         }
 786                 }
 787
 788                 internal void CreateGlobalType () {
 789                         if (global_type == null)
 790                                 global_type = new TypeBuilder (this, 0, 1);
 791                 }
 792
 793                 internal override Guid GetModuleVersionId ()
 794                 {
 795                         return new Guid (guid);
 796                 }
 797
 798                 // Used by mcs, the symbol writer, and mdb through reflection
 799                 internal static Guid Mono_GetGuid (ModuleBuilder mb)
 800                 {
 801                         return mb.GetModuleVersionId ();
 802                 }
 803
 804                 void _ModuleBuilder.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
 805                 {
 806                         throw new NotImplementedException ();
 807                 }
 808
 809                 void _ModuleBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
 810                 {
 811                         throw new NotImplementedException ();
 812                 }
 813
 814                 void _ModuleBuilder.GetTypeInfoCount (out uint pcTInfo)
 815                 {
 816                         throw new NotImplementedException ();
 817                 }
 818
 819                 void _ModuleBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
 820                 {
 821                         throw new NotImplementedException ();
 822                 }
 823
 824 #if NET_4_0
 825                 public override Assembly Assembly {
 826                         get { return assemblyb; }
 827                 }
 828
 829                 public override string Name {
 830                         get { return name; }
 831                 }
 832
 833                 public override string ScopeName {
 834                         get { return name; }
 835                 }
 836
 837                 public override Guid ModuleVersionId {
 838                         get {
 839                                 return GetModuleVersionId ();
 840                         }
 841                 }
 842
 843                 //XXX resource modules can't be defined with ModuleBuilder
 844                 public override bool IsResource ()
 845                 {
 846                         return false;
 847                 }
 848
 849                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
 850                 {
 851                         if (global_type_created == null)
 852                                 return null;
 853                         if (types == null)
 854                                 return global_type_created.GetMethod (name);
 855                         return global_type_created.GetMethod (name, bindingAttr, binder, callConvention, types, modifiers);
 856                 }
 857
 858                 public override FieldInfo ResolveField (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 859                         ResolveTokenError error;
 860
 861                         IntPtr handle = ResolveFieldToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 862                         if (handle == IntPtr.Zero)
 863                                 throw resolve_token_exception (metadataToken, error, "Field");
 864                         else
 865                                 return FieldInfo.GetFieldFromHandle (new RuntimeFieldHandle (handle));
 866                 }
 867
 868                 public override MemberInfo ResolveMember (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 869
 870                         ResolveTokenError error;
 871
 872                         MemberInfo m = ResolveMemberToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 873                         if (m == null)
 874                                 throw resolve_token_exception (metadataToken, error, "MemberInfo");
 875                         else
 876                                 return m;
 877                 }
 878
 879                 public override MethodBase ResolveMethod (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 880                         ResolveTokenError error;
 881
 882                         IntPtr handle = ResolveMethodToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 883                         if (handle == IntPtr.Zero)
 884                                 throw resolve_token_exception (metadataToken, error, "MethodBase");
 885                         else
 886                                 return MethodBase.GetMethodFromHandleNoGenericCheck (new RuntimeMethodHandle (handle));
 887                 }
 888
 889                 public override string ResolveString (int metadataToken) {
 890                         ResolveTokenError error;
 891
 892                         string s = ResolveStringToken (_impl, metadataToken, out error);
 893                         if (s == null)
 894                                 throw resolve_token_exception (metadataToken, error, "string");
 895                         else
 896                                 return s;
 897                 }
 898
 899                 public override byte[] ResolveSignature (int metadataToken) {
 900                         ResolveTokenError error;
 901
 902                     byte[] res = ResolveSignature (_impl, metadataToken, out error);
 903                         if (res == null)
 904                                 throw resolve_token_exception (metadataToken, error, "signature");
 905                         else
 906                                 return res;
 907                 }
 908
 909                 public override Type ResolveType (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
 910                         ResolveTokenError error;
 911
 912                         IntPtr handle = ResolveTypeToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
 913                         if (handle == IntPtr.Zero)
 914                                 throw resolve_token_exception (metadataToken, error, "Type");
 915                         else
 916                                 return Type.GetTypeFromHandle (new RuntimeTypeHandle (handle));
 917                 }
 918
 919 #endif
 920         }
 921
 922         internal class ModuleBuilderTokenGenerator : TokenGenerator {
 923
 924                 private ModuleBuilder mb;
 925
 926                 public ModuleBuilderTokenGenerator (ModuleBuilder mb) {
 927                         this.mb = mb;
 928                 }
 929
 930                 public int GetToken (string str) {
 931                         return mb.GetToken (str);
 932                 }
 933
 934                 public int GetToken (MemberInfo member) {
 935                         return mb.GetToken (member);
 936                 }
 937
 938                 public int GetToken (MethodInfo method, Type[] opt_param_types) {
 939                         return mb.GetToken (method, opt_param_types);
 940                 }
 941
 942                 public int GetToken (SignatureHelper helper) {
 943                         return mb.GetToken (helper);
 944                 }
 945         }
 946 }
 947