mcs/gmcs/rootcontext.cs

   1 //
   2 // rootcontext.cs: keeps track of our tree representation, and assemblies loaded.
   3 //
   4 // Author: Miguel de Icaza (miguel@ximian.com)
   5 //         Ravi Pratap     (ravi@ximian.com)
   6 //
   7 // Licensed under the terms of the GNU GPL
   8 //
   9 // (C) 2001 Ximian, Inc (http://www.ximian.com)
  10
  11 using System;
  12 using System.Collections;
  13 using System.Reflection;
  14 using System.Reflection.Emit;
  15 using System.Diagnostics;
  16
  17 namespace Mono.CSharp {
  18
  19         public class RootContext {
  20
  21                 //
  22                 // Contains the parsed tree
  23                 //
  24                 static Tree tree;
  25
  26                 //
  27                 // This hashtable contains all of the #definitions across the source code
  28                 // it is used by the ConditionalAttribute handler.
  29                 //
  30                 public static Hashtable AllDefines = new Hashtable ();
  31
  32                 //
  33                 // Whether we are being linked against the standard libraries.
  34                 // This is only used to tell whether `System.Object' should
  35                 // have a parent or not.
  36                 //
  37                 public static bool StdLib = true;
  38
  39                 //
  40                 // This keeps track of the order in which classes were defined
  41                 // so that we can poulate them in that order.
  42                 //
  43                 // Order is important, because we need to be able to tell by
  44                 // examining the parent's list of methods which ones are virtual
  45                 // or abstract as well as the parent names (to implement new,
  46                 // override).
  47                 //
  48                 static ArrayList type_container_resolve_order;
  49                 static ArrayList attribute_types;
  50
  51                 //
  52                 // Holds a reference to the Private Implementation Details
  53                 // class.
  54                 //
  55                 static ArrayList helper_classes;
  56
  57                 static TypeBuilder impl_details_class;
  58
  59                 public static int WarningLevel = 2;
  60
  61                 public static Target Target = Target.Exe;
  62                 public static string TargetExt = ".exe";
  63
  64                 public static bool VerifyClsCompliance = true;
  65
  66                 //
  67                 // If set, enable C# version 2 features
  68                 //
  69                 public static bool V2 = true;
  70
  71                 //
  72                 // We keep strongname related info here because
  73                 // it's also used as complier options from CSC 8.x
  74                 //
  75                 public static string StrongNameKeyFile;
  76                 public static string StrongNameKeyContainer;
  77                 public static bool StrongNameDelaySign = false;
  78
  79                 //
  80                 // Constructor
  81                 //
  82                 static RootContext ()
  83                 {
  84                         tree = new Tree ();
  85                         type_container_resolve_order = new ArrayList ();
  86                 }
  87
  88                 public static bool NeedsEntryPoint {
  89                         get {
  90                                 return RootContext.Target == Target.Exe || RootContext.Target == Target.WinExe;
  91                         }
  92                 }
  93
  94                 static public Tree Tree {
  95                         get {
  96                                 return tree;
  97                         }
  98                 }
  99
 100                 static public string MainClass;
 101
 102                 public static void RegisterOrder (TypeContainer tc)
 103                 {
 104                         type_container_resolve_order.Add (tc);
 105                 }
 106
 107                 public static void RegisterAttribute (TypeContainer tc)
 108                 {
 109                         if (attribute_types == null)
 110                                 attribute_types = new ArrayList ();
 111
 112                         attribute_types.Add (tc);
 113                 }
 114
 115                 //
 116                 // The default compiler checked state
 117                 //
 118                 static public bool Checked = false;
 119
 120                 //
 121                 // Whether to allow Unsafe code
 122                 //
 123                 static public bool Unsafe = false;
 124
 125                 static string MakeFQN (string nsn, string name)
 126                 {
 127                         if (nsn == "")
 128                                 return name;
 129                         return String.Concat (nsn, ".", name);
 130                 }
 131
 132                 // <remarks>
 133                 //   This function is used to resolve the hierarchy tree.
 134                 //   It processes interfaces, structs and classes in that order.
 135                 //
 136                 //   It creates the TypeBuilder's as it processes the user defined
 137                 //   types.
 138                 // </remarks>
 139                 static public void ResolveTree ()
 140                 {
 141                         //
 142                         // Process the attribute types separately and before anything else
 143                         //
 144                         if (attribute_types != null)
 145                                 foreach (TypeContainer tc in attribute_types)
 146                                         tc.DefineType ();
 147
 148                         //
 149                         // Interfaces are processed next, as classes and
 150                         // structs might inherit from an object or implement
 151                         // a set of interfaces, we need to be able to tell
 152                         // them appart by just using the TypeManager.
 153                         //
 154                         TypeContainer root = Tree.Types;
 155
 156                         ArrayList ifaces = root.Interfaces;
 157                         if (ifaces != null){
 158                                 foreach (Interface i in ifaces)
 159                                         i.DefineType ();
 160                         }
 161
 162                         foreach (TypeContainer tc in root.Types)
 163                                 tc.DefineType ();
 164
 165                         if (root.Delegates != null)
 166                                 foreach (Delegate d in root.Delegates)
 167                                         d.DefineType ();
 168
 169                         if (root.Enums != null)
 170                                 foreach (Enum e in root.Enums)
 171                                         e.DefineType ();
 172                 }
 173
 174                 static void Error_TypeConflict (string name, Location loc)
 175                 {
 176                         Report.Error (
 177                                 520, loc, "`" + name + "' conflicts with a predefined type");
 178                 }
 179
 180                 static void Error_TypeConflict (string name)
 181                 {
 182                         Report.Error (
 183                                 520, "`" + name + "' conflicts with a predefined type");
 184                 }
 185
 186                 //
 187                 // Resolves a single class during the corlib bootstrap process
 188                 //
 189                 static TypeBuilder BootstrapCorlib_ResolveClass (TypeContainer root, string name)
 190                 {
 191                         object o = root.GetDefinition (name);
 192                         if (o == null){
 193                                 Report.Error (518, "The predefined type `" + name + "' is not defined");
 194                                 return null;
 195                         }
 196
 197                         if (!(o is Class)){
 198                                 if (o is DeclSpace){
 199                                         DeclSpace d = (DeclSpace) o;
 200
 201                                         Error_TypeConflict (name, d.Location);
 202                                 } else
 203                                         Error_TypeConflict (name);
 204
 205                                 return null;
 206                         }
 207
 208                         return ((DeclSpace) o).DefineType ();
 209                 }
 210
 211                 //
 212                 // Resolves a struct during the corlib bootstrap process
 213                 //
 214                 static void BootstrapCorlib_ResolveStruct (TypeContainer root, string name)
 215                 {
 216                         object o = root.GetDefinition (name);
 217                         if (o == null){
 218                                 Report.Error (518, "The predefined type `" + name + "' is not defined");
 219                                 return;
 220                         }
 221
 222                         if (!(o is Struct)){
 223                                 if (o is DeclSpace){
 224                                         DeclSpace d = (DeclSpace) o;
 225
 226                                         Error_TypeConflict (name, d.Location);
 227                                 } else
 228                                         Error_TypeConflict (name);
 229
 230                                 return;
 231                         }
 232
 233                         ((DeclSpace) o).DefineType ();
 234                 }
 235
 236                 //
 237                 // Resolves a struct during the corlib bootstrap process
 238                 //
 239                 static void BootstrapCorlib_ResolveInterface (TypeContainer root, string name)
 240                 {
 241                         object o = root.GetDefinition (name);
 242                         if (o == null){
 243                                 Report.Error (518, "The predefined type `" + name + "' is not defined");
 244                                 return;
 245                         }
 246
 247                         if (!(o is Interface)){
 248                                 if (o is DeclSpace){
 249                                         DeclSpace d = (DeclSpace) o;
 250
 251                                         Error_TypeConflict (name, d.Location);
 252                                 } else
 253                                         Error_TypeConflict (name);
 254
 255                                 return;
 256                         }
 257
 258                         ((DeclSpace) o).DefineType ();
 259                 }
 260
 261                 //
 262                 // Resolves a delegate during the corlib bootstrap process
 263                 //
 264                 static void BootstrapCorlib_ResolveDelegate (TypeContainer root, string name)
 265                 {
 266                         object o = root.GetDefinition (name);
 267                         if (o == null){
 268                                 Report.Error (518, "The predefined type `" + name + "' is not defined");
 269                                 Environment.Exit (1);
 270                         }
 271
 272                         if (!(o is Delegate)){
 273                                 Error_TypeConflict (name);
 274                                 return;
 275                         }
 276
 277                         ((DeclSpace) o).DefineType ();
 278                 }
 279
 280
 281                 /// <summary>
 282                 ///    Resolves the core types in the compiler when compiling with --nostdlib
 283                 /// </summary>
 284                 static public void ResolveCore ()
 285                 {
 286                         TypeContainer root = Tree.Types;
 287
 288                         TypeManager.object_type = BootstrapCorlib_ResolveClass (root, "System.Object");
 289                         TypeManager.value_type = BootstrapCorlib_ResolveClass (root, "System.ValueType");
 290                         TypeManager.attribute_type = BootstrapCorlib_ResolveClass (root, "System.Attribute");
 291
 292                         string [] interfaces_first_stage = {
 293                                 "System.IComparable", "System.ICloneable",
 294                                 "System.IConvertible",
 295
 296                                 "System.Collections.IEnumerable",
 297                                 "System.Collections.ICollection",
 298                                 "System.Collections.IEnumerator",
 299                                 "System.Collections.IList",
 300                                 "System.IAsyncResult",
 301                                 "System.IDisposable",
 302
 303                                 "System.Runtime.Serialization.ISerializable",
 304
 305                                 "System.Reflection.IReflect",
 306                                 "System.Reflection.ICustomAttributeProvider",
 307
 308                                 //
 309                                 // Generic types
 310                                 //
 311                                 "System.Collections.Generic.IEnumerator`1",
 312                                 "System.Collections.Generic.IEnumerable`1"
 313                         };
 314
 315                         foreach (string iname in interfaces_first_stage)
 316                                 BootstrapCorlib_ResolveInterface (root, iname);
 317
 318                         //
 319                         // These are the base value types
 320                         //
 321                         string [] structs_first_stage = {
 322                                 "System.Byte",    "System.SByte",
 323                                 "System.Int16",   "System.UInt16",
 324                                 "System.Int32",   "System.UInt32",
 325                                 "System.Int64",   "System.UInt64",
 326                         };
 327
 328                         foreach (string cname in structs_first_stage)
 329                                 BootstrapCorlib_ResolveStruct (root, cname);
 330
 331                         //
 332                         // Now, we can load the enumerations, after this point,
 333                         // we can use enums.
 334                         //
 335                         TypeManager.InitEnumUnderlyingTypes ();
 336
 337                         string [] structs_second_stage = {
 338                                 "System.Single",  "System.Double",
 339                                 "System.Char",    "System.Boolean",
 340                                 "System.Decimal", "System.Void",
 341                                 "System.RuntimeFieldHandle",
 342                                 "System.RuntimeArgumentHandle",
 343                                 "System.RuntimeTypeHandle",
 344                                 "System.IntPtr",
 345                                 "System.TypedReference",
 346                                 "System.ArgIterator"
 347                         };
 348
 349                         foreach (string cname in structs_second_stage)
 350                                 BootstrapCorlib_ResolveStruct (root, cname);
 351
 352                         //
 353                         // These are classes that depends on the core interfaces
 354                         //
 355                         string [] classes_second_stage = {
 356                                 "System.Reflection.MemberInfo",
 357                                 "System.Type",
 358                                 "System.Exception",
 359                                 "System.Activator",
 360
 361                                 //
 362                                 // These are not really important in the order, but they
 363                                 // are used by the compiler later on (typemanager/CoreLookupType-d)
 364                                 //
 365                                 "System.Runtime.CompilerServices.RuntimeHelpers",
 366                                 "System.Reflection.DefaultMemberAttribute",
 367                                 "System.Threading.Monitor",
 368
 369                                 "System.AttributeUsageAttribute",
 370                                 "System.Runtime.InteropServices.DllImportAttribute",
 371                                 "System.Runtime.CompilerServices.MethodImplAttribute",
 372                                 "System.Runtime.InteropServices.MarshalAsAttribute",
 373                                 "System.Runtime.CompilerServices.NewConstraintAttribute",
 374                                 "System.Diagnostics.ConditionalAttribute",
 375                                 "System.ObsoleteAttribute",
 376                                 "System.ParamArrayAttribute",
 377                                 "System.CLSCompliantAttribute",
 378                                 "System.Security.UnverifiableCodeAttribute",
 379                                 "System.Runtime.CompilerServices.IndexerNameAttribute",
 380                                 "System.Runtime.InteropServices.InAttribute",
 381                                 "System.Runtime.InteropServices.StructLayoutAttribute",
 382                                 "System.Runtime.InteropServices.FieldOffsetAttribute",
 383                                 "System.InvalidOperationException",
 384                                 "System.NotSupportedException",
 385                                 "System.MarshalByRefObject"
 386                         };
 387
 388                         // We must store them here before calling BootstrapCorlib_ResolveDelegate.
 389                         TypeManager.string_type = BootstrapCorlib_ResolveClass (root, "System.String");
 390                         TypeManager.enum_type = BootstrapCorlib_ResolveClass (root, "System.Enum");
 391                         TypeManager.array_type = BootstrapCorlib_ResolveClass (root, "System.Array");
 392                         TypeManager.multicast_delegate_type = BootstrapCorlib_ResolveClass (root, "System.MulticastDelegate");
 393                         TypeManager.delegate_type = BootstrapCorlib_ResolveClass (root, "System.Delegate");
 394
 395                         foreach (string cname in classes_second_stage)
 396                                 BootstrapCorlib_ResolveClass (root, cname);
 397
 398                         BootstrapCorlib_ResolveDelegate (root, "System.AsyncCallback");
 399                 }
 400
 401                 // <summary>
 402                 //   Closes all open types
 403                 // </summary>
 404                 //
 405                 // <remarks>
 406                 //   We usually use TypeBuilder types.  When we are done
 407                 //   creating the type (which will happen after we have added
 408                 //   methods, fields, etc) we need to "Define" them before we
 409                 //   can save the Assembly
 410                 // </remarks>
 411                 static public void CloseTypes ()
 412                 {
 413                         TypeContainer root = Tree.Types;
 414
 415                         if (root.Enums != null)
 416                                 foreach (Enum en in root.Enums)
 417                                         en.CloseType ();
 418
 419                         if (attribute_types != null)
 420                                 foreach (TypeContainer tc in attribute_types)
 421                                         tc.CloseType ();
 422
 423                         //
 424                         // We do this in two passes, first we close the structs,
 425                         // then the classes, because it seems the code needs it this
 426                         // way.  If this is really what is going on, we should probably
 427                         // make sure that we define the structs in order as well.
 428                         //
 429                         foreach (TypeContainer tc in type_container_resolve_order){
 430                                 if (tc.Kind == Kind.Struct && tc.Parent == tree.Types){
 431                                         tc.CloseType ();
 432                                 }
 433                         }
 434
 435                         foreach (TypeContainer tc in type_container_resolve_order){
 436                                 if (!(tc.Kind == Kind.Struct && tc.Parent == tree.Types))
 437                                         tc.CloseType ();
 438                         }
 439
 440                         if (root.Delegates != null)
 441                                 foreach (Delegate d in root.Delegates)
 442                                         d.CloseType ();
 443
 444
 445                         //
 446                         // If we have a <PrivateImplementationDetails> class, close it
 447                         //
 448                         if (helper_classes != null){
 449                                 foreach (TypeBuilder type_builder in helper_classes)
 450                                         type_builder.CreateType ();
 451                         }
 452
 453                         attribute_types = null;
 454                         type_container_resolve_order = null;
 455                         helper_classes = null;
 456                         //tree = null;
 457                         TypeManager.CleanUp ();
 458                 }
 459
 460                 /// <summary>
 461                 ///   Used to register classes that need to be closed after all the
 462                 ///   user defined classes
 463                 /// </summary>
 464                 public static void RegisterHelperClass (TypeBuilder helper_class)
 465                 {
 466                         if (helper_classes == null)
 467                                 helper_classes = new ArrayList ();
 468                         helper_classes.Add (helper_class);
 469                 }
 470
 471                 //
 472                 // This idea is from Felix Arrese-Igor
 473                 //
 474                 // Returns : the implicit parent of a composite namespace string
 475                 //   eg. Implicit parent of A.B is A
 476                 //
 477                 static public string ImplicitParent (string ns)
 478                 {
 479                         int i = ns.LastIndexOf ('.');
 480                         if (i < 0)
 481                                 return null;
 482
 483                         return ns.Substring (0, i);
 484                 }
 485
 486                 static TypeExpr NamespaceLookup (DeclSpace ds, string name,
 487                                                  int num_type_args, bool silent, Location loc)
 488                 {
 489                         //
 490                         // Try in the current namespace and all its implicit parents
 491                         //
 492                         for (NamespaceEntry ns = ds.NamespaceEntry; ns != null; ns = ns.ImplicitParent) {
 493                                 IAlias result = ns.Lookup (ds, name, num_type_args, silent, loc);
 494
 495                                 if (result == null)
 496                                         continue;
 497
 498                                 if (!result.IsType)
 499                                         return null;
 500
 501                                 return result.Type;
 502                         }
 503
 504                         return null;
 505                 }
 506
 507                 static public TypeExpr LookupType (DeclSpace ds, string name, bool silent,
 508                                                    Location loc)
 509                 {
 510                         return LookupType (ds, name, silent, 0, loc);
 511                 }
 512
 513                 //
 514                 // Public function used to locate types, this can only
 515                 // be used after the ResolveTree function has been invoked.
 516                 //
 517                 // Returns: Type or null if they type can not be found.
 518                 //
 519                 // Come to think of it, this should be a DeclSpace
 520                 //
 521                 static public TypeExpr LookupType (DeclSpace ds, string name, bool silent,
 522                                                    int num_type_params, Location loc)
 523                 {
 524                         TypeExpr t;
 525
 526                         if (ds.Cache.Contains (name)){
 527                                 t = (TypeExpr) ds.Cache [name];
 528                                 if (t != null)
 529                                         return t;
 530                         } else {
 531                                 //
 532                                 // For the case the type we are looking for is nested within this one
 533                                 // or is in any base class
 534                                 //
 535                                 DeclSpace containing_ds = ds;
 536                                 while (containing_ds != null){
 537                                         Type current_type = containing_ds.TypeBuilder;
 538
 539                                         while (current_type != null) {
 540                                                 //
 541                                                 // nested class
 542                                                 //
 543                                                 Type type = TypeManager.LookupType (current_type.FullName + "." + name);
 544                                                 if (type != null){
 545                                                         t = new TypeExpression (type, loc);
 546                                                         ds.Cache [name] = t;
 547                                                         return t;
 548                                                 }
 549
 550                                                 current_type = current_type.BaseType;
 551                                         }
 552
 553                                         containing_ds = containing_ds.Parent;
 554                                 }
 555
 556                                 t = NamespaceLookup (ds, name, num_type_params, silent, loc);
 557                                 if (t != null){
 558                                         ds.Cache [name] = t;
 559                                         return t;
 560                                 }
 561                         }
 562
 563                         if (!silent)
 564                                 Report.Error (246, loc, "Cannot find type `"+name+"'");
 565
 566                         return null;
 567                 }
 568
 569                 // <summary>
 570                 //   This is the silent version of LookupType, you can use this
 571                 //   to `probe' for a type
 572                 // </summary>
 573                 static public TypeExpr LookupType (TypeContainer tc, string name, Location loc)
 574                 {
 575                         return LookupType (tc, name, true, loc);
 576                 }
 577
 578                 static void Report1530 (Location loc)
 579                 {
 580                         Report.Error (1530, loc, "Keyword new not allowed for namespace elements");
 581                 }
 582
 583                 static public void PopulateCoreType (TypeContainer root, string name)
 584                 {
 585                         DeclSpace ds = (DeclSpace) root.GetDefinition (name);
 586
 587                         ds.DefineMembers (root);
 588                         ds.Define ();
 589                 }
 590
 591                 static public void BootCorlib_PopulateCoreTypes ()
 592                 {
 593                         TypeContainer root = tree.Types;
 594
 595                         PopulateCoreType (root, "System.Object");
 596                         PopulateCoreType (root, "System.ValueType");
 597                         PopulateCoreType (root, "System.Attribute");
 598                 }
 599
 600                 // <summary>
 601                 //   Populates the structs and classes with fields and methods
 602                 // </summary>
 603                 //
 604                 // This is invoked after all interfaces, structs and classes
 605                 // have been defined through `ResolveTree'
 606                 static public void PopulateTypes ()
 607                 {
 608                         TypeContainer root = Tree.Types;
 609
 610                         if (attribute_types != null)
 611                                 foreach (TypeContainer tc in attribute_types)
 612                                         tc.DefineMembers (root);
 613
 614                         if (type_container_resolve_order != null){
 615                                 if (RootContext.StdLib){
 616                                         foreach (TypeContainer tc in type_container_resolve_order)
 617                                                 tc.DefineMembers (root);
 618                                 } else {
 619                                         foreach (TypeContainer tc in type_container_resolve_order) {
 620                                                 // When compiling corlib, these types have already been
 621                                                 // populated from BootCorlib_PopulateCoreTypes ().
 622                                                 if (((tc.Name == "System.Object") ||
 623                                                      (tc.Name == "System.Attribute") ||
 624                                                      (tc.Name == "System.ValueType")))
 625                                                 continue;
 626
 627                                                 tc.DefineMembers (root);
 628                                         }
 629                                 }
 630                         }
 631
 632                         ArrayList delegates = root.Delegates;
 633                         if (delegates != null){
 634                                 foreach (Delegate d in delegates)
 635                                         if ((d.ModFlags & Modifiers.NEW) == 0)
 636                                                 d.DefineMembers (root);
 637                                         else
 638                                                 Report1530 (d.Location);
 639                         }
 640
 641                         ArrayList enums = root.Enums;
 642                         if (enums != null){
 643                                 foreach (Enum en in enums)
 644                                         if ((en.ModFlags & Modifiers.NEW) == 0)
 645                                                 en.DefineMembers (root);
 646                                         else
 647                                                 Report1530 (en.Location);
 648                         }
 649
 650                         //
 651                         // Check for cycles in the struct layout
 652                         //
 653                         if (type_container_resolve_order != null){
 654                                 Hashtable seen = new Hashtable ();
 655                                 foreach (TypeContainer tc in type_container_resolve_order)
 656                                         TypeManager.CheckStructCycles (tc, seen);
 657                         }
 658                 }
 659
 660                 //
 661                 // A generic hook delegate
 662                 //
 663                 public delegate void Hook ();
 664
 665                 //
 666                 // A hook invoked when the code has been generated.
 667                 //
 668                 public static event Hook EmitCodeHook;
 669
 670                 //
 671                 // DefineTypes is used to fill in the members of each type.
 672                 //
 673                 static public void DefineTypes ()
 674                 {
 675                         TypeContainer root = Tree.Types;
 676
 677                         if (attribute_types != null)
 678                                 foreach (TypeContainer tc in attribute_types)
 679                                         tc.Define ();
 680
 681                         if (type_container_resolve_order != null){
 682                                 foreach (TypeContainer tc in type_container_resolve_order) {
 683                                         // When compiling corlib, these types have already been
 684                                         // populated from BootCorlib_PopulateCoreTypes ().
 685                                         if (!RootContext.StdLib &&
 686                                             ((tc.Name == "System.Object") ||
 687                                              (tc.Name == "System.Attribute") ||
 688                                              (tc.Name == "System.ValueType")))
 689                                                 continue;
 690
 691                                         if ((tc.ModFlags & Modifiers.NEW) == 0)
 692                                                 tc.Define ();
 693                                 }
 694                         }
 695
 696                         ArrayList delegates = root.Delegates;
 697                         if (delegates != null){
 698                                 foreach (Delegate d in delegates)
 699                                         if ((d.ModFlags & Modifiers.NEW) == 0)
 700                                                 d.Define ();
 701                         }
 702
 703                         ArrayList enums = root.Enums;
 704                         if (enums != null){
 705                                 foreach (Enum en in enums)
 706                                         if ((en.ModFlags & Modifiers.NEW) == 0)
 707                                                 en.Define ();
 708                         }
 709                 }
 710
 711                 static public void EmitCode ()
 712                 {
 713                         if (attribute_types != null)
 714                                 foreach (TypeContainer tc in attribute_types)
 715                                         tc.EmitType ();
 716
 717                         CodeGen.Assembly.Emit (Tree.Types);
 718                         CodeGen.Module.Emit (Tree.Types);
 719
 720                         if (Tree.Types.Enums != null) {
 721                                 foreach (Enum e in Tree.Types.Enums)
 722                                         e.Emit ();
 723                         }
 724
 725                         if (type_container_resolve_order != null) {
 726                                 foreach (TypeContainer tc in type_container_resolve_order)
 727                                         tc.EmitConstants ();
 728
 729                                 foreach (TypeContainer tc in type_container_resolve_order)
 730                                         tc.EmitType ();
 731                         }
 732
 733                         if (Tree.Types.Delegates != null) {
 734                                 foreach (Delegate d in Tree.Types.Delegates)
 735                                         d.Emit ();
 736                         }
 737                         //
 738                         // Run any hooks after all the types have been defined.
 739                         // This is used to create nested auxiliary classes for example
 740                         //
 741
 742                         if (EmitCodeHook != null)
 743                                 EmitCodeHook ();
 744                 }
 745
 746                 //
 747                 // Public Field, used to track which method is the public entry
 748                 // point.
 749                 //
 750                 static public MethodInfo EntryPoint;
 751
 752                 //
 753                 // Track the location of the entry point.
 754                 //
 755                 static public Location EntryPointLocation;
 756
 757                 //
 758                 // These are used to generate unique names on the structs and fields.
 759                 //
 760                 static int field_count;
 761
 762                 //
 763                 // Makes an initialized struct, returns the field builder that
 764                 // references the data.  Thanks go to Sergey Chaban for researching
 765                 // how to do this.  And coming up with a shorter mechanism than I
 766                 // was able to figure out.
 767                 //
 768                 // This works but makes an implicit public struct $ArrayType$SIZE and
 769                 // makes the fields point to it.  We could get more control if we did
 770                 // use instead:
 771                 //
 772                 // 1. DefineNestedType on the impl_details_class with our struct.
 773                 //
 774                 // 2. Define the field on the impl_details_class
 775                 //
 776                 static public FieldBuilder MakeStaticData (byte [] data)
 777                 {
 778                         FieldBuilder fb;
 779
 780                         if (impl_details_class == null){
 781                                 impl_details_class = CodeGen.Module.Builder.DefineType (
 782                                         "<PrivateImplementationDetails>",
 783                                         TypeAttributes.NotPublic,
 784                                         TypeManager.object_type);
 785
 786                                 RegisterHelperClass (impl_details_class);
 787                         }
 788
 789                         fb = impl_details_class.DefineInitializedData (
 790                                 "$$field-" + (field_count++), data,
 791                                 FieldAttributes.Static | FieldAttributes.Assembly);
 792
 793                         return fb;
 794                 }
 795         }
 796 }
 797
 798