b129a0419204f34ffa309af3a08543eab58abb6a
[mono.git] / mcs / class / corlib / System.Reflection.Emit / TypeBuilder.cs
1 //
2 // System.Reflection.Emit/TypeBuilder.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.Text;
35 using System.Reflection;
36 using System.Reflection.Emit;
37 using System.Runtime.CompilerServices;
38 using System.Runtime.InteropServices;
39 using System.Globalization;
40 using System.Collections;
41 using System.Security;
42 using System.Security.Permissions;
43
44 namespace System.Reflection.Emit {
45
46         public sealed class TypeBuilder : Type {
47         #region Sync with reflection.h
48         private string tname;
49         private string nspace;
50         private Type parent;
51         private Type nesting_type;
52         private Type[] interfaces;
53         private int num_methods;
54         private MethodBuilder[] methods;
55         private ConstructorBuilder[] ctors;
56         private PropertyBuilder[] properties;
57         private int num_fields;
58         private FieldBuilder[] fields;
59         private EventBuilder[] events;
60         private CustomAttributeBuilder[] cattrs;
61         internal TypeBuilder[] subtypes;
62         internal TypeAttributes attrs;
63         private int table_idx;
64         private ModuleBuilder pmodule;
65         private int class_size;
66         private PackingSize packing_size;
67         private IntPtr generic_container;
68 #if NET_2_0 || BOOTSTRAP_NET_2_0
69         private GenericTypeParameterBuilder[] generic_params;
70 #else
71         private Object generic_params; /* so offsets don't change */
72 #endif
73         private RefEmitPermissionSet[] permissions;     
74         private Type created;
75         #endregion
76         string fullname;
77
78         public const int UnspecifiedTypeSize = 0;
79
80                 protected override TypeAttributes GetAttributeFlagsImpl () {
81                         return attrs;
82                 }
83                 
84                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
85                 private extern void setup_internal_class (TypeBuilder tb);
86                 
87                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
88                 private extern void create_internal_class (TypeBuilder tb);
89                 
90                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
91                 private extern void setup_generic_class ();
92
93                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
94                 private extern void create_generic_class ();
95
96                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
97                 private extern EventInfo get_event_info (EventBuilder eb);
98
99                 internal TypeBuilder (ModuleBuilder mb, TypeAttributes attr) {
100                         this.parent = null;
101                         this.attrs = attr;
102                         this.class_size = UnspecifiedTypeSize;
103                         this.table_idx = 1;
104                         fullname = this.tname = "<Module>";
105                         this.nspace = "";
106                         pmodule = mb;
107                         setup_internal_class (this);
108                 }
109
110                 internal TypeBuilder (ModuleBuilder mb, string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packing_size, int type_size, Type nesting_type) {
111                         int sep_index;
112                         this.parent = parent;
113                         this.attrs = attr;
114                         this.class_size = type_size;
115                         this.packing_size = packing_size;
116                         this.nesting_type = nesting_type;
117                         sep_index = name.LastIndexOf('.');
118                         if (sep_index != -1) {
119                                 this.tname = name.Substring (sep_index + 1);
120                                 this.nspace = name.Substring (0, sep_index);
121                         } else {
122                                 this.tname = name;
123                                 this.nspace = "";
124                         }
125                         if (interfaces != null) {
126                                 this.interfaces = new Type[interfaces.Length];
127                                 System.Array.Copy (interfaces, this.interfaces, interfaces.Length);
128                         }
129                         pmodule = mb;
130                         // skip .<Module> ?
131                         table_idx = mb.get_next_table_index (this, 0x02, true);
132                         setup_internal_class (this);
133                         fullname = GetFullName ();
134                 }
135
136                 public override Assembly Assembly {
137                         get {return pmodule.Assembly;}
138                 }
139
140                 public override string AssemblyQualifiedName {
141                         get {
142                                 return fullname + ", " + Assembly.GetName().FullName;
143                         }
144                 }
145                 public override Type BaseType {
146                         get {
147                                 return parent;
148                         }
149                 }
150                 public override Type DeclaringType {get {return nesting_type;}}
151
152 /*              public override bool IsSubclassOf (Type c)
153                 {
154                         Type t;
155                         if (c == null)
156                                 return false;
157                         if (c == this)
158                                 return false;
159                         t = parent;
160                         while (t != null) {
161                                 if (c == t)
162                                         return true;
163                                 t = t.BaseType;
164                         }
165                         return false;
166                 }*/
167
168                 [MonoTODO]
169                 public override Type UnderlyingSystemType {
170                         get {
171                                 // This should return the type itself for non-enum types but 
172                                 // that breaks mcs.
173                                 if (fields != null) {
174                                         foreach (FieldBuilder f in fields) {
175                                                 if ((f != null) && (f.Attributes & FieldAttributes.Static) == 0)
176                                                         return f.FieldType;
177                                         }
178                                 }
179                                 throw new InvalidOperationException ("Underlying type information on enumeration is not specified.");
180                         }
181                 }
182
183                 string GetFullName () {
184                         if (nesting_type != null)
185                                 return String.Concat (nesting_type.FullName, "+", tname);
186                         if ((nspace != null) && (nspace.Length > 0))
187                                 return String.Concat (nspace, ".", tname);
188                         return tname;
189                 }
190         
191                 public override string FullName {
192                         get {
193                                 return fullname;
194                         }
195                 }
196         
197                 public override Guid GUID {
198                         get {
199                                 check_created ();
200                                 return created.GUID;
201                         }
202                 }
203
204                 public override Module Module {
205                         get {return pmodule;}
206                 }
207                 public override string Name {
208                         get {return tname;}
209                 }
210                 public override string Namespace {
211                         get {return nspace;}
212                 }
213                 public PackingSize PackingSize {
214                         get {return packing_size;}
215                 }
216                 public int Size {
217                         get { return class_size; }
218                 }
219                 public override Type ReflectedType {get {return nesting_type;}}
220
221                 public void AddDeclarativeSecurity( SecurityAction action, PermissionSet pset) {
222                         if (pset == null)
223                                 throw new ArgumentNullException ("pset");
224                         if ((action == SecurityAction.RequestMinimum) ||
225                                 (action == SecurityAction.RequestOptional) ||
226                                 (action == SecurityAction.RequestRefuse))
227                                 throw new ArgumentException ("Request* values are not permitted", "action");
228
229                         check_not_created ();
230
231                         if (permissions != null) {
232                                 /* Check duplicate actions */
233                                 foreach (RefEmitPermissionSet set in permissions)
234                                         if (set.action == action)
235                                                 throw new InvalidOperationException ("Multiple permission sets specified with the same SecurityAction.");
236
237                                 RefEmitPermissionSet[] new_array = new RefEmitPermissionSet [permissions.Length + 1];
238                                 permissions.CopyTo (new_array, 0);
239                                 permissions = new_array;
240                         }
241                         else
242                                 permissions = new RefEmitPermissionSet [1];
243
244                         permissions [permissions.Length - 1] = new RefEmitPermissionSet (action, pset.ToXml ().ToString ());
245                         attrs |= TypeAttributes.HasSecurity;
246                 }
247
248                 public void AddInterfaceImplementation( Type interfaceType) {
249                         if (interfaceType == null)
250                                 throw new ArgumentNullException ("interfaceType");
251                         check_not_created ();
252
253                         if (interfaces != null) {
254                                 // Check for duplicates
255                                 foreach (Type t in interfaces)
256                                         if (t == interfaceType)
257                                                 return;
258
259                                 Type[] ifnew = new Type [interfaces.Length + 1];
260                                 interfaces.CopyTo (ifnew, 0);
261                                 ifnew [interfaces.Length] = interfaceType;
262                                 interfaces = ifnew;
263                         } else {
264                                 interfaces = new Type [1];
265                                 interfaces [0] = interfaceType;
266                         }
267                 }
268
269                 [MonoTODO]
270                 protected override ConstructorInfo GetConstructorImpl (BindingFlags bindingAttr, Binder binder,
271                                                                        CallingConventions callConvention, Type[] types,
272                                                                        ParameterModifier[] modifiers)
273                 {
274                         if (ctors == null)
275                                 return null;
276
277                         ConstructorBuilder found = null;
278                         int count = 0;
279                         
280                         foreach (ConstructorBuilder cb in ctors){
281                                 if (callConvention != CallingConventions.Any && cb.CallingConvention != callConvention)
282                                         continue;
283                                 found = cb;
284                                 count++;
285                         }
286
287                         if (count == 0)
288                                 return null;
289                         if (types == null){
290                                 if (count > 1)
291                                         throw new AmbiguousMatchException ();
292                                 return found;
293                         }
294                         MethodBase[] match = new MethodBase [count];
295                         if (count == 1)
296                                 match [0] = found;
297                         else {
298                                 count = 0;
299                                 foreach (ConstructorInfo m in ctors) {
300                                         if (callConvention != CallingConventions.Any && m.CallingConvention != callConvention)
301                                                 continue;
302                                         match [count++] = m;
303                                 }
304                         }
305                         if (binder == null)
306                                 binder = Binder.DefaultBinder;
307                         return (ConstructorInfo)binder.SelectMethod (bindingAttr, match, types, modifiers);
308                 }
309
310                 public override bool IsDefined( Type attributeType, bool inherit)
311                 {
312                         /*
313                          * MS throws NotSupported here, but we can't because some corlib
314                          * classes make calls to IsDefined.
315                          */
316                         return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
317                 }
318                 
319                 public override object[] GetCustomAttributes(bool inherit)
320                 {
321                         check_created ();
322
323                         return created.GetCustomAttributes (inherit);
324                 }
325                 
326                 public override object[] GetCustomAttributes(Type attributeType, bool inherit)
327                 {
328                         check_created ();
329
330                         return created.GetCustomAttributes (attributeType, inherit);
331                 }
332
333                 public TypeBuilder DefineNestedType (string name) {
334                         return DefineNestedType (name, TypeAttributes.NestedPrivate, pmodule.assemblyb.corlib_object_type, null);
335                 }
336
337                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr) {
338                         return DefineNestedType (name, attr, pmodule.assemblyb.corlib_object_type, null);
339                 }
340
341                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent) {
342                         return DefineNestedType (name, attr, parent, null);
343                 }
344
345                 private TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces,
346                                                       PackingSize packsize, int typesize)
347                 {
348                         check_name ("name", name);
349                         // Visibility must be NestedXXX
350                         /* This breaks mcs
351                         if (((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.Public) ||
352                                 ((attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NotPublic))
353                                 throw new ArgumentException ("attr", "Bad type flags for nested type.");
354                         */
355                         if (interfaces != null)
356                                 foreach (Type iface in interfaces)
357                                         if (iface == null)
358                                                 throw new ArgumentNullException ("interfaces");
359
360                         TypeBuilder res = new TypeBuilder (pmodule, name, attr, parent, interfaces, packsize, typesize, this);
361                         res.fullname = res.GetFullName ();
362                         pmodule.RegisterTypeName (res, res.fullname);
363                         if (subtypes != null) {
364                                 TypeBuilder[] new_types = new TypeBuilder [subtypes.Length + 1];
365                                 System.Array.Copy (subtypes, new_types, subtypes.Length);
366                                 new_types [subtypes.Length] = res;
367                                 subtypes = new_types;
368                         } else {
369                                 subtypes = new TypeBuilder [1];
370                                 subtypes [0] = res;
371                         }
372                         return res;
373                 }
374
375                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, Type[] interfaces) {
376                         return DefineNestedType (name, attr, parent, interfaces, PackingSize.Unspecified, UnspecifiedTypeSize);
377                 }
378
379                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, int typesize) {
380                         return DefineNestedType (name, attr, parent, null, PackingSize.Unspecified, typesize);
381                 }
382
383                 public TypeBuilder DefineNestedType (string name, TypeAttributes attr, Type parent, PackingSize packsize) {
384                         return DefineNestedType (name, attr, parent, null, packsize, UnspecifiedTypeSize);
385                 }
386
387                 public ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes) {
388                         return DefineConstructor (attributes, callingConvention, parameterTypes, null, null);
389                 }
390
391 #if NET_2_0 || BOOTSTRAP_NET_2_0
392                 public
393 #else
394                 internal
395 #endif
396                 ConstructorBuilder DefineConstructor (MethodAttributes attributes, CallingConventions callingConvention, Type[] parameterTypes, Type[][] requiredCustomModifiers, Type[][] optionalCustomModifiers)
397                 {
398                         check_not_created ();
399                         ConstructorBuilder cb = new ConstructorBuilder (this, attributes, callingConvention, parameterTypes, requiredCustomModifiers, optionalCustomModifiers);
400                         if (ctors != null) {
401                                 ConstructorBuilder[] new_ctors = new ConstructorBuilder [ctors.Length+1];
402                                 System.Array.Copy (ctors, new_ctors, ctors.Length);
403                                 new_ctors [ctors.Length] = cb;
404                                 ctors = new_ctors;
405                         } else {
406                                 ctors = new ConstructorBuilder [1];
407                                 ctors [0] = cb;
408                         }
409                         return cb;
410                 }
411
412                 public ConstructorBuilder DefineDefaultConstructor (MethodAttributes attributes)
413                 {
414                         Type parent_type;
415
416                         if (parent != null)
417                                 parent_type = parent;
418                         else
419                                 parent_type = pmodule.assemblyb.corlib_object_type;
420
421                         ConstructorInfo parent_constructor =
422                                 parent_type.GetConstructor (
423                                         BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance,
424                                         null, Type.EmptyTypes, null);
425                         if (parent_constructor == null) {
426                                 throw new NotSupportedException ("Parent does"
427                                         + " not have a default constructor."
428                                         + " The default constructor must be"
429                                         + " explicitly defined.");
430                         }
431
432                         ConstructorBuilder cb = DefineConstructor (attributes, 
433                                 CallingConventions.Standard, new Type[0]);
434                         ILGenerator ig = cb.GetILGenerator ();
435                         ig.Emit (OpCodes.Ldarg_0);
436                         ig.Emit (OpCodes.Call, parent_constructor);
437                         ig.Emit (OpCodes.Ret);
438                         return cb;
439                 }
440
441                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes) {
442                         return DefineMethod (name, attributes, CallingConventions.Standard, returnType, parameterTypes);
443                 }
444
445                 private void append_method (MethodBuilder mb) {
446                         if (methods != null) {
447                                 if (methods.Length == num_methods) {
448                                         MethodBuilder[] new_methods = new MethodBuilder [methods.Length * 2];
449                                         System.Array.Copy (methods, new_methods, num_methods);
450                                         methods = new_methods;
451                                 }
452                         } else {
453                                 methods = new MethodBuilder [1];
454                         }
455                         methods [num_methods] = mb;
456                         num_methods ++;
457                 }
458
459                 public MethodBuilder DefineMethod( string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
460                         return DefineMethod (name, attributes, callingConvention, returnType, null, null, parameterTypes, null, null);
461                 }
462
463 #if NET_2_0 || BOOTSTRAP_NET_2_0
464                 public
465 #else
466                 internal
467 #endif
468                 MethodBuilder DefineMethod( string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] returnTypeRequiredCustomModifiers, Type[] returnTypeOptionalCustomModifiers, Type[] parameterTypes, Type[][] parameterTypeRequiredCustomModifiers, Type[][] parameterTypeOptionalCustomModifiers) {
469                         check_name ("name", name);
470                         check_not_created ();
471                         if (IsInterface && (
472                                 !((attributes & MethodAttributes.Abstract) != 0) || 
473                                 !((attributes & MethodAttributes.Virtual) != 0)))
474                                 throw new ArgumentException ("attributes", "Interface method must be abstract and virtual.");
475
476                         if (returnType == null)
477                                 returnType = pmodule.assemblyb.corlib_void_type;
478                         MethodBuilder res = new MethodBuilder (this, name, attributes, callingConvention, returnType, returnTypeRequiredCustomModifiers, returnTypeOptionalCustomModifiers, parameterTypes, parameterTypeRequiredCustomModifiers, parameterTypeOptionalCustomModifiers);
479                         append_method (res);
480                         return res;
481                 }
482
483                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
484                         return DefinePInvokeMethod (name, dllName, entryName, attributes, callingConvention, returnType, null, null, parameterTypes, null, null, nativeCallConv, nativeCharSet);
485                 }
486
487 #if NET_2_0 || BOOTSTRAP_NET_2_0
488                 public
489 #else
490                 internal
491 #endif
492                 MethodBuilder DefinePInvokeMethod (
493                                                 string name, 
494                                                 string dllName, 
495                                                 string entryName, MethodAttributes attributes, 
496                                                 CallingConventions callingConvention, 
497                                                 Type returnType, 
498                                                 Type[] returnTypeRequiredCustomModifiers, 
499                                                 Type[] returnTypeOptionalCustomModifiers, 
500                                                 Type[] parameterTypes, 
501                                                 Type[][] parameterTypeRequiredCustomModifiers, 
502                                                 Type[][] parameterTypeOptionalCustomModifiers, 
503                                                 CallingConvention nativeCallConv, 
504                                                 CharSet nativeCharSet) {
505                         check_name ("name", name);
506                         check_name ("dllName", dllName);
507                         check_name ("entryName", entryName);
508                         if ((attributes & MethodAttributes.Abstract) != 0)
509                                 throw new ArgumentException ("attributes", "PInvoke methods must be static and native and cannot be abstract.");
510                         if (IsInterface)
511                                 throw new ArgumentException ("PInvoke methods cannot exist on interfaces.");            
512                         check_not_created ();
513
514                         MethodBuilder res 
515                                 = new MethodBuilder (
516                                                 this, 
517                                                 name, 
518                                                 attributes, 
519                                                 callingConvention,
520                                                 returnType, 
521                                                 returnTypeRequiredCustomModifiers, 
522                                                 returnTypeOptionalCustomModifiers, 
523                                                 parameterTypes, 
524                                                 parameterTypeRequiredCustomModifiers, 
525                                                 parameterTypeOptionalCustomModifiers,
526                                                 dllName, 
527                                                 entryName, 
528                                                 nativeCallConv, 
529                                                 nativeCharSet);
530                         append_method (res);
531                         return res;
532                 }
533
534                 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
535                         return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes,
536                                 nativeCallConv, nativeCharSet);
537                 }
538
539                 public void DefineMethodOverride( MethodInfo methodInfoBody, MethodInfo methodInfoDeclaration) {
540                         if (methodInfoBody == null)
541                                 throw new ArgumentNullException ("methodInfoBody");
542                         if (methodInfoDeclaration == null)
543                                 throw new ArgumentNullException ("methodInfoDeclaration");
544                         check_not_created ();
545
546                         if (methodInfoBody is MethodBuilder) {
547                                 MethodBuilder mb = (MethodBuilder)methodInfoBody;
548                                 mb.set_override (methodInfoDeclaration);
549                         }
550                 }
551
552                 public FieldBuilder DefineField( string fieldName, Type type, FieldAttributes attributes) {
553                         return DefineField (fieldName, type, null, null, attributes);
554                 }
555
556 #if NET_2_0 || BOOTSTRAP_NET_2_0
557                 public
558 #else
559                 internal
560 #endif
561             FieldBuilder DefineField (string fieldName, Type type, Type[] requiredCustomAttributes, Type[] optionalCustomAttributes, FieldAttributes attributes) {
562                         check_name ("fieldName", fieldName);
563                         if (type == typeof (void))
564                                 throw new ArgumentException ("type",  "Bad field type in defining field.");
565                         check_not_created ();
566
567                         FieldBuilder res = new FieldBuilder (this, fieldName, type, attributes, requiredCustomAttributes, optionalCustomAttributes);
568                         if (fields != null) {
569                                 if (fields.Length == num_fields) {
570                                         FieldBuilder[] new_fields = new FieldBuilder [fields.Length * 2];
571                                         System.Array.Copy (fields, new_fields, num_fields);
572                                         fields = new_fields;
573                                 }
574                                 fields [num_fields] = res;
575                                 num_fields ++;
576                         } else {
577                                 fields = new FieldBuilder [1];
578                                 fields [0] = res;
579                                 num_fields ++;
580                                 create_internal_class (this);
581                         }
582                         return res;
583                 }
584
585                 public PropertyBuilder DefineProperty( string name, PropertyAttributes attributes, Type returnType, Type[] parameterTypes) {
586                         check_name ("name", name);
587                         if (parameterTypes != null)
588                                 foreach (Type param in parameterTypes)
589                                         if (param == null)
590                                                 throw new ArgumentNullException ("parameterTypes");
591                         check_not_created ();
592
593                         PropertyBuilder res = new PropertyBuilder (this, name, attributes, returnType, parameterTypes);
594
595                         if (properties != null) {
596                                 PropertyBuilder[] new_properties = new PropertyBuilder [properties.Length+1];
597                                 System.Array.Copy (properties, new_properties, properties.Length);
598                                 new_properties [properties.Length] = res;
599                                 properties = new_properties;
600                         } else {
601                                 properties = new PropertyBuilder [1];
602                                 properties [0] = res;
603                         }
604                         return res;
605                 }
606
607                 public ConstructorBuilder DefineTypeInitializer() {
608                         return DefineConstructor (MethodAttributes.Public | MethodAttributes.Static | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName, CallingConventions.Standard, null);
609                 }
610
611                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
612                 private extern Type create_runtime_class (TypeBuilder tb);
613
614                 private bool is_nested_in (Type t) {
615                         while (t != null) {
616                                 if (t == this)
617                                         return true;
618                                 else
619                                         t = t.DeclaringType;
620                         }
621                         return false;
622                 }
623                 
624                 public Type CreateType() {
625                         /* handle nesting_type */
626                         check_not_created ();
627
628                         // Fire TypeResolve events for fields whose type is an unfinished
629                         // value type.
630                         if (fields != null) {
631                                 foreach (FieldBuilder fb in fields) {
632                                         if (fb == null)
633                                                 continue;
634                                         Type ft = fb.FieldType;
635                                         if (!fb.IsStatic && (ft is TypeBuilder) && ft.IsValueType && (ft != this) && is_nested_in (ft)) {
636                                                 TypeBuilder tb = (TypeBuilder)ft;
637                                                 if (!tb.is_created) {
638                                                         AppDomain.CurrentDomain.DoTypeResolve (tb);
639                                                         if (!tb.is_created) {
640                                                                 // FIXME: We should throw an exception here,
641                                                                 // but mcs expects that the type is created
642                                                                 // even if the exception is thrown
643                                                                 //throw new TypeLoadException ("Could not load type " + tb);
644                                                         }
645                                                 }
646                                         }
647                                 }
648                         }
649
650                         if (methods != null) {
651                                 for (int i = 0; i < num_methods; ++i)
652                                         ((MethodBuilder)(methods[i])).fixup ();
653                         }
654
655                         //
656                         // On classes, define a default constructor if not provided
657                         //
658                         if (!(IsInterface || IsValueType) && (ctors == null) && (tname != "<Module>") && 
659                                 (GetAttributeFlagsImpl () & TypeAttributes.Abstract | TypeAttributes.Sealed) != (TypeAttributes.Abstract | TypeAttributes.Sealed))
660                                 DefineDefaultConstructor (MethodAttributes.Public);
661
662                         if (ctors != null){
663                                 foreach (ConstructorBuilder ctor in ctors) 
664                                         ctor.fixup ();
665                         }
666
667                         created = create_runtime_class (this);
668                         if (created != null)
669                                 return created;
670                         return this;
671                 }
672
673                 public override ConstructorInfo[] GetConstructors (BindingFlags bindingAttr)
674                 {
675                         if (ctors == null)
676                                 return new ConstructorInfo [0];
677                         ArrayList l = new ArrayList ();
678                         bool match;
679                         MethodAttributes mattrs;
680                         
681                         foreach (ConstructorBuilder c in ctors) {
682                                 match = false;
683                                 mattrs = c.Attributes;
684                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
685                                         if ((bindingAttr & BindingFlags.Public) != 0)
686                                                 match = true;
687                                 } else {
688                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
689                                                 match = true;
690                                 }
691                                 if (!match)
692                                         continue;
693                                 match = false;
694                                 if ((mattrs & MethodAttributes.Static) != 0) {
695                                         if ((bindingAttr & BindingFlags.Static) != 0)
696                                                 match = true;
697                                 } else {
698                                         if ((bindingAttr & BindingFlags.Instance) != 0)
699                                                 match = true;
700                                 }
701                                 if (!match)
702                                         continue;
703                                 l.Add (c);
704                         }
705                         ConstructorInfo[] result = new ConstructorInfo [l.Count];
706                         l.CopyTo (result);
707                         return result;
708                 }
709
710                 public override Type GetElementType () { 
711                         check_created ();
712                         return created.GetElementType ();
713                 }
714
715                 public override EventInfo GetEvent (string name, BindingFlags bindingAttr) {
716                         check_created ();
717                         return created.GetEvent (name, bindingAttr);
718                 }
719
720                 /* Needed to keep signature compatibility with MS.NET */
721                 public override EventInfo[] GetEvents ()
722                 {
723                         return GetEvents (DefaultBindingFlags);
724                 }
725
726                 public override EventInfo[] GetEvents (BindingFlags bindingAttr) {
727                         /* FIXME: mcs calls this
728                            check_created ();
729                         */
730                         if (!is_created)
731                                 return new EventInfo [0];
732                         else
733                                 return created.GetEvents (bindingAttr);
734                 }
735
736                 // This is only used from MonoGenericInst.initialize().
737                 internal EventInfo[] GetEvents_internal (BindingFlags bindingAttr)
738                 {
739                         if (events == null)
740                                 return new EventInfo [0];
741                         ArrayList l = new ArrayList ();
742                         bool match;
743                         MethodAttributes mattrs;
744                         MethodInfo accessor;
745
746                         foreach (EventBuilder eb in events) {
747                                 if (eb == null)
748                                         continue;
749                                 EventInfo c = get_event_info (eb);
750                                 match = false;
751                                 accessor = c.GetAddMethod (true);
752                                 if (accessor == null)
753                                         accessor = c.GetRemoveMethod (true);
754                                 if (accessor == null)
755                                         continue;
756                                 mattrs = accessor.Attributes;
757                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
758                                         if ((bindingAttr & BindingFlags.Public) != 0)
759                                                 match = true;
760                                 } else {
761                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
762                                                 match = true;
763                                 }
764                                 if (!match)
765                                         continue;
766                                 match = false;
767                                 if ((mattrs & MethodAttributes.Static) != 0) {
768                                         if ((bindingAttr & BindingFlags.Static) != 0)
769                                                 match = true;
770                                 } else {
771                                         if ((bindingAttr & BindingFlags.Instance) != 0)
772                                                 match = true;
773                                 }
774                                 if (!match)
775                                         continue;
776                                 l.Add (c);
777                         }
778                         EventInfo[] result = new EventInfo [l.Count];
779                         l.CopyTo (result);
780                         return result;
781                 }
782
783                 public override FieldInfo GetField( string name, BindingFlags bindingAttr) {
784                         if (fields == null)
785                                 return null;
786
787                         bool match;
788                         FieldAttributes mattrs;
789                         
790                         foreach (FieldInfo c in fields) {
791                                 if (c == null)
792                                         continue;
793                                 if (c.Name != name)
794                                         continue;
795                                 match = false;
796                                 mattrs = c.Attributes;
797                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
798                                         if ((bindingAttr & BindingFlags.Public) != 0)
799                                                 match = true;
800                                 } else {
801                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
802                                                 match = true;
803                                 }
804                                 if (!match)
805                                         continue;
806                                 match = false;
807                                 if ((mattrs & FieldAttributes.Static) != 0) {
808                                         if ((bindingAttr & BindingFlags.Static) != 0)
809                                                 match = true;
810                                 } else {
811                                         if ((bindingAttr & BindingFlags.Instance) != 0)
812                                                 match = true;
813                                 }
814                                 if (!match)
815                                         continue;
816                                 return c;
817                         }
818                         return null;
819                 }
820
821                 public override FieldInfo[] GetFields (BindingFlags bindingAttr) {
822                         if (fields == null)
823                                 return new FieldInfo [0];
824                         ArrayList l = new ArrayList ();
825                         bool match;
826                         FieldAttributes mattrs;
827                         
828                         foreach (FieldInfo c in fields) {
829                                 if (c == null)
830                                         continue;
831                                 match = false;
832                                 mattrs = c.Attributes;
833                                 if ((mattrs & FieldAttributes.FieldAccessMask) == FieldAttributes.Public) {
834                                         if ((bindingAttr & BindingFlags.Public) != 0)
835                                                 match = true;
836                                 } else {
837                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
838                                                 match = true;
839                                 }
840                                 if (!match)
841                                         continue;
842                                 match = false;
843                                 if ((mattrs & FieldAttributes.Static) != 0) {
844                                         if ((bindingAttr & BindingFlags.Static) != 0)
845                                                 match = true;
846                                 } else {
847                                         if ((bindingAttr & BindingFlags.Instance) != 0)
848                                                 match = true;
849                                 }
850                                 if (!match)
851                                         continue;
852                                 l.Add (c);
853                         }
854                         FieldInfo[] result = new FieldInfo [l.Count];
855                         l.CopyTo (result);
856                         return result;
857                 }
858
859                 public override Type GetInterface (string name, bool ignoreCase) {
860                         check_created ();
861                         return created.GetInterface (name, ignoreCase);
862                 }
863                 
864                 public override Type[] GetInterfaces () {
865                         if (interfaces != null) {
866                                 Type[] ret = new Type [interfaces.Length];
867                                 interfaces.CopyTo (ret, 0);
868                                 return ret;
869                         } else {
870                                 return Type.EmptyTypes;
871                         }
872                 }
873
874                 public override MemberInfo[] GetMember (string name, MemberTypes type,
875                                                                                                 BindingFlags bindingAttr) {
876                         check_created ();
877                         return created.GetMember (name, type, bindingAttr);
878                 }
879
880                 public override MemberInfo[] GetMembers (BindingFlags bindingAttr) {
881                         check_created ();
882                         return created.GetMembers (bindingAttr);
883                 }
884
885                 private MethodInfo[] GetMethodsByName (string name, BindingFlags bindingAttr, bool ignoreCase, Type reflected_type) {
886                         MethodInfo[] candidates;
887                         if (((bindingAttr & BindingFlags.DeclaredOnly) == 0) && (parent != null)) {
888                                 MethodInfo[] parent_methods = parent.GetMethods (bindingAttr);
889                                 if (methods == null)
890                                         candidates = parent_methods;
891                                 else {
892                                         candidates = new MethodInfo [methods.Length + parent_methods.Length];
893                                         parent_methods.CopyTo (candidates, 0);
894                                         methods.CopyTo (candidates, parent_methods.Length);
895                                 }
896                         }
897                         else
898                                 candidates = methods;
899                                         
900                         if (candidates == null)
901                                 return new MethodInfo [0];
902
903                         ArrayList l = new ArrayList ();
904                         bool match;
905                         MethodAttributes mattrs;
906
907                         foreach (MethodInfo c in candidates) {
908                                 if (c == null)
909                                         continue;
910                                 if (name != null) {
911                                         if (String.Compare (c.Name, name, ignoreCase) != 0)
912                                                 continue;
913                                 }
914                                 match = false;
915                                 mattrs = c.Attributes;
916                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
917                                         if ((bindingAttr & BindingFlags.Public) != 0)
918                                                 match = true;
919                                 } else {
920                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
921                                                 match = true;
922                                 }
923                                 if (!match)
924                                         continue;
925                                 match = false;
926                                 if ((mattrs & MethodAttributes.Static) != 0) {
927                                         if ((bindingAttr & BindingFlags.Static) != 0)
928                                                 match = true;
929                                 } else {
930                                         if ((bindingAttr & BindingFlags.Instance) != 0)
931                                                 match = true;
932                                 }
933                                 if (!match)
934                                         continue;
935                                 l.Add (c);
936                         }
937
938                         MethodInfo[] result = new MethodInfo [l.Count];
939                         l.CopyTo (result);
940                         return result;
941                 }
942
943                 public override MethodInfo[] GetMethods (BindingFlags bindingAttr) {
944                         return GetMethodsByName (null, bindingAttr, false, this);
945                 }
946
947                 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr,
948                                                              Binder binder,
949                                                              CallingConventions callConvention,
950                                                              Type[] types, ParameterModifier[] modifiers)
951                 {
952                         check_created ();
953
954                         bool ignoreCase = ((bindingAttr & BindingFlags.IgnoreCase) != 0);
955                         MethodInfo[] methods = GetMethodsByName (name, bindingAttr, ignoreCase, this);
956                         MethodInfo found = null;
957                         MethodBase[] match;
958                         int typesLen = (types != null) ? types.Length : 0;
959                         int count = 0;
960                         
961                         foreach (MethodInfo m in methods) {
962                                 // Under MS.NET, Standard|HasThis matches Standard...
963                                 if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
964                                         continue;
965                                 found = m;
966                                 count++;
967                         }
968
969                         if (count == 0)
970                                 return null;
971                         
972                         if (count == 1 && typesLen == 0) 
973                                 return found;
974
975                         match = new MethodBase [count];
976                         if (count == 1)
977                                 match [0] = found;
978                         else {
979                                 count = 0;
980                                 foreach (MethodInfo m in methods) {
981                                         if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
982                                                 continue;
983                                         match [count++] = m;
984                                 }
985                         }
986                         
987                         if (types == null) 
988                                 return (MethodInfo) Binder.FindMostDerivedMatch (match);
989
990                         if (binder == null)
991                                 binder = Binder.DefaultBinder;
992                         
993                         return (MethodInfo)binder.SelectMethod (bindingAttr, match, types, modifiers);
994                 }
995
996                 public override Type GetNestedType( string name, BindingFlags bindingAttr) {
997                         check_created ();
998                         return created.GetNestedType (name, bindingAttr);
999                 }
1000
1001                 public override Type[] GetNestedTypes (BindingFlags bindingAttr) {
1002                         bool match;
1003                         ArrayList result = new ArrayList ();
1004
1005                         if (subtypes == null)
1006                                 return Type.EmptyTypes;
1007                         foreach (TypeBuilder t in subtypes) {
1008                                 match = false;
1009                                 if ((t.attrs & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic) {
1010                                         if ((bindingAttr & BindingFlags.Public) != 0)
1011                                                 match = true;
1012                                 } else {
1013                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1014                                                 match = true;
1015                                 }
1016                                 if (!match)
1017                                         continue;
1018                                 result.Add (t);
1019                         }
1020                         Type[] r = new Type [result.Count];
1021                         result.CopyTo (r);
1022                         return r;
1023                 }
1024
1025                 public override PropertyInfo[] GetProperties( BindingFlags bindingAttr) {
1026                         if (properties == null)
1027                                 return new PropertyInfo [0];
1028                         ArrayList l = new ArrayList ();
1029                         bool match;
1030                         MethodAttributes mattrs;
1031                         MethodInfo accessor;
1032                         
1033                         foreach (PropertyInfo c in properties) {
1034                                 match = false;
1035                                 accessor = c.GetGetMethod (true);
1036                                 if (accessor == null)
1037                                         accessor = c.GetSetMethod (true);
1038                                 if (accessor == null)
1039                                         continue;
1040                                 mattrs = accessor.Attributes;
1041                                 if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
1042                                         if ((bindingAttr & BindingFlags.Public) != 0)
1043                                                 match = true;
1044                                 } else {
1045                                         if ((bindingAttr & BindingFlags.NonPublic) != 0)
1046                                                 match = true;
1047                                 }
1048                                 if (!match)
1049                                         continue;
1050                                 match = false;
1051                                 if ((mattrs & MethodAttributes.Static) != 0) {
1052                                         if ((bindingAttr & BindingFlags.Static) != 0)
1053                                                 match = true;
1054                                 } else {
1055                                         if ((bindingAttr & BindingFlags.Instance) != 0)
1056                                                 match = true;
1057                                 }
1058                                 if (!match)
1059                                         continue;
1060                                 l.Add (c);
1061                         }
1062                         PropertyInfo[] result = new PropertyInfo [l.Count];
1063                         l.CopyTo (result);
1064                         return result;
1065                 }
1066                 
1067                 protected override PropertyInfo GetPropertyImpl( string name, BindingFlags bindingAttr, Binder binder, Type returnType, Type[] types, ParameterModifier[] modifiers) {
1068                         throw not_supported ();
1069                 }
1070
1071                 protected override bool HasElementTypeImpl () {
1072                         check_created ();
1073                         return created.HasElementType;
1074                 }
1075
1076                 public override object InvokeMember( string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters) {
1077                         check_created ();
1078                         return created.InvokeMember (name, invokeAttr, binder, target, args, modifiers, culture, namedParameters);
1079                 }
1080
1081                 protected override bool IsArrayImpl ()
1082                 {
1083                         return Type.IsArrayImpl (this);
1084                 }
1085
1086                 protected override bool IsByRefImpl () {
1087                         // FIXME
1088                         return false;
1089                 }
1090                 protected override bool IsCOMObjectImpl () {
1091                         return false;
1092                 }
1093                 protected override bool IsPointerImpl () {
1094                         // FIXME
1095                         return false;
1096                 }
1097                 protected override bool IsPrimitiveImpl () {
1098                         // FIXME
1099                         return false;
1100                 }
1101                 protected override bool IsValueTypeImpl () {
1102                         return ((type_is_subtype_of (this, pmodule.assemblyb.corlib_value_type, false) || type_is_subtype_of (this, typeof(System.ValueType), false)) &&
1103                                 this != pmodule.assemblyb.corlib_value_type &&
1104                                 this != pmodule.assemblyb.corlib_enum_type);
1105                 }
1106                 
1107                 public override RuntimeTypeHandle TypeHandle { 
1108                         get { 
1109                                 check_created ();
1110                                 return created.TypeHandle;
1111                         } 
1112                 }
1113
1114                 public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
1115                         if (customBuilder == null)
1116                                 throw new ArgumentNullException ("customBuilder");
1117
1118                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
1119                         if (attrname == "System.Runtime.InteropServices.StructLayoutAttribute") {
1120                                 byte[] data = customBuilder.Data;
1121                                 int layout_kind; /* the (stupid) ctor takes a short or an int ... */
1122                                 layout_kind = (int)data [2];
1123                                 layout_kind |= ((int)data [3]) << 8;
1124                                 attrs &= ~TypeAttributes.LayoutMask;
1125                                 switch ((LayoutKind)layout_kind) {
1126                                 case LayoutKind.Auto:
1127                                         attrs |= TypeAttributes.AutoLayout;
1128                                         break;
1129                                 case LayoutKind.Explicit:
1130                                         attrs |= TypeAttributes.ExplicitLayout;
1131                                         break;
1132                                 case LayoutKind.Sequential:
1133                                         attrs |= TypeAttributes.SequentialLayout;
1134                                         break;
1135                                 default:
1136                                         // we should ignore it since it can be any value anyway...
1137                                         throw new Exception ("Error in customattr");
1138                                 }
1139                                 string first_type_name = customBuilder.Ctor.GetParameters()[0].ParameterType.FullName;
1140                                 int pos = 6;
1141                                 if (first_type_name == "System.Int16")
1142                                         pos = 4;
1143                                 int nnamed = (int)data [pos++];
1144                                 nnamed |= ((int)data [pos++]) << 8;
1145                                 for (int i = 0; i < nnamed; ++i) {
1146                                         byte named_type = data [pos++];
1147                                         byte type = data [pos++];
1148                                         int len;
1149                                         string named_name;
1150
1151                                         if (type == 0x55) {
1152                                                 len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1153                                                 string named_typename = CustomAttributeBuilder.string_from_bytes (data, pos, len);
1154                                                 pos += len;
1155                                                 // FIXME: Check that 'named_type' and 'named_typename' match, etc.
1156                                                 //        See related code/FIXME in mono/mono/metadata/reflection.c
1157                                         }
1158
1159                                         len = CustomAttributeBuilder.decode_len (data, pos, out pos);
1160                                         named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
1161                                         pos += len;
1162                                         /* all the fields are integers in StructLayout */
1163                                         int value = (int)data [pos++];
1164                                         value |= ((int)data [pos++]) << 8;
1165                                         value |= ((int)data [pos++]) << 16;
1166                                         value |= ((int)data [pos++]) << 24;
1167                                         switch (named_name) {
1168                                         case "CharSet":
1169                                                 switch ((CharSet)value) {
1170                                                 case CharSet.None:
1171                                                 case CharSet.Ansi:
1172                                                         break;
1173                                                 case CharSet.Unicode:
1174                                                         attrs |= TypeAttributes.UnicodeClass;
1175                                                         break;
1176                                                 case CharSet.Auto:
1177                                                         attrs |= TypeAttributes.AutoClass;
1178                                                         break;
1179                                                 default:
1180                                                         break; // error out...
1181                                                 }
1182                                                 break;
1183                                         case "Pack":
1184                                                 packing_size = (PackingSize)value;
1185                                                 break;
1186                                         case "Size":
1187                                                 class_size = value;
1188                                                 break;
1189                                         default:
1190                                                 break; // error out...
1191                                         }
1192                                 }
1193                                 return;
1194                         } else if (attrname == "System.SerializableAttribute") {
1195                                 attrs |= TypeAttributes.Serializable;
1196                                 return;
1197                         }
1198                         if (cattrs != null) {
1199                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
1200                                 cattrs.CopyTo (new_array, 0);
1201                                 new_array [cattrs.Length] = customBuilder;
1202                                 cattrs = new_array;
1203                         } else {
1204                                 cattrs = new CustomAttributeBuilder [1];
1205                                 cattrs [0] = customBuilder;
1206                         }
1207                 }
1208                 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
1209                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
1210                 }
1211
1212                 public EventBuilder DefineEvent( string name, EventAttributes attributes, Type eventtype) {
1213                         check_name ("name", name);
1214                         if (eventtype == null)
1215                                 throw new ArgumentNullException ("eventtype");
1216                         check_not_created ();
1217
1218                         EventBuilder res = new EventBuilder (this, name, attributes, eventtype);
1219                         if (events != null) {
1220                                 EventBuilder[] new_events = new EventBuilder [events.Length+1];
1221                                 System.Array.Copy (events, new_events, events.Length);
1222                                 new_events [events.Length] = res;
1223                                 events = new_events;
1224                         } else {
1225                                 events = new EventBuilder [1];
1226                                 events [0] = res;
1227                         }
1228                         return res;
1229                 }
1230
1231                 public FieldBuilder DefineInitializedData( string name, byte[] data, FieldAttributes attributes) {
1232                         if (data == null)
1233                                 throw new ArgumentNullException ("data");
1234                         if ((data.Length == 0) || (data.Length > 0x3f0000))
1235                                 throw new ArgumentException ("data", "Data size must be > 0 and < 0x3f0000");
1236
1237                         FieldBuilder res = DefineUninitializedData (name, data.Length, attributes);
1238                         res.SetRVAData (data);
1239
1240                         return res;
1241                 }
1242
1243                 static int UnmanagedDataCount = 0;
1244                 
1245                 public FieldBuilder DefineUninitializedData( string name, int size, FieldAttributes attributes) {
1246                         check_name ("name", name);
1247                         if ((size <= 0) || (size > 0x3f0000))
1248                                 throw new ArgumentException ("size", "Data size must be > 0 and < 0x3f0000");
1249                         check_not_created ();
1250
1251                         string s = "$ArrayType$"+UnmanagedDataCount.ToString();
1252                         UnmanagedDataCount++;
1253                         TypeBuilder datablobtype = DefineNestedType (s,
1254                                 TypeAttributes.NestedPrivate|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
1255                                 pmodule.assemblyb.corlib_value_type, null, PackingSize.Size1, size);
1256                         datablobtype.CreateType ();
1257                         return DefineField (name, datablobtype, attributes|FieldAttributes.Static|FieldAttributes.HasFieldRVA);
1258                 }
1259
1260                 public TypeToken TypeToken {
1261                         get {
1262                                 return new TypeToken (0x02000000 | table_idx);
1263                         }
1264                 }
1265                 public void SetParent (Type parentType) {
1266                         if (parentType == null)
1267                                 throw new ArgumentNullException ("parentType");
1268                         check_not_created ();
1269
1270                         parent = parentType;
1271                         // will just set the parent-related bits if called a second time
1272                         setup_internal_class (this);
1273                 }
1274                 internal int get_next_table_index (object obj, int table, bool inc) {
1275                         return pmodule.get_next_table_index (obj, table, inc);
1276                 }
1277
1278                 public override InterfaceMapping GetInterfaceMap (Type interfaceType)
1279                 {
1280                         if (created == null)
1281                                 throw new NotSupportedException ("This method is not implemented for incomplete types.");
1282
1283                         return created.GetInterfaceMap (interfaceType);
1284                 }
1285
1286                 internal bool is_created {
1287                         get {
1288                                 return created != null;
1289                         }
1290                 }
1291
1292                 private Exception not_supported ()
1293                 {
1294                         return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
1295                 }
1296
1297                 private void check_not_created ()
1298                 {
1299                         if (is_created)
1300                                 throw new InvalidOperationException ("Unable to change after type has been created.");
1301                 }
1302
1303                 private void check_created ()
1304                 {
1305                         if (!is_created)
1306                                 throw not_supported ();
1307                 }
1308
1309                 private void check_name (string argName, string name)
1310                 {
1311                         if (name == null)
1312                                 throw new ArgumentNullException (argName);
1313                         if (name == "")
1314                                 throw new ArgumentException (argName, "Empty name is not legal.");
1315                         if (name.IndexOf ((char)0) != -1)
1316                                 throw new ArgumentException (argName, "Illegal name.");
1317                 }
1318
1319                 public override String ToString ()
1320                 {
1321                         return FullName;
1322                 }
1323
1324                 [MonoTODO]
1325                 public override bool IsAssignableFrom (Type c)
1326                 {
1327                         return base.IsAssignableFrom (c);
1328                 }
1329
1330                 [MonoTODO]
1331                 public override bool IsSubclassOf (Type c)
1332                 {
1333                         return base.IsSubclassOf (c);
1334                 }
1335
1336 #if NET_2_0 || BOOTSTRAP_NET_2_0
1337                 public bool IsCreated () {
1338                         return is_created;
1339                 }
1340
1341                 public override Type[] GetGenericArguments ()
1342                 {
1343                         if (generic_params != null)
1344                                 return generic_params;
1345
1346                         throw new InvalidOperationException ();
1347                 }
1348
1349                 public override Type GetGenericTypeDefinition ()
1350                 {
1351                         create_generic_class ();
1352
1353                         return base.GetGenericTypeDefinition ();
1354                 }
1355
1356                 public override bool HasGenericArguments {
1357                         get {
1358                                 throw new NotImplementedException ();
1359                         }
1360                 }
1361
1362                 public override bool ContainsGenericParameters {
1363                         get {
1364                                 return generic_params != null;
1365                         }
1366                 }
1367
1368                 public extern override bool IsGenericParameter {
1369                         [MethodImplAttribute(MethodImplOptions.InternalCall)]
1370                         get;
1371                 }
1372
1373                 public override int GenericParameterPosition {
1374                         get {
1375                                 throw new NotImplementedException ();
1376                         }
1377                 }
1378
1379                 public override MethodInfo DeclaringMethod {
1380                         get {
1381                                 throw new NotImplementedException ();
1382                         }
1383                 }
1384
1385                 public GenericTypeParameterBuilder[] DefineGenericParameters (string[] names)
1386                 {
1387                         setup_generic_class ();
1388
1389                         generic_params = new GenericTypeParameterBuilder [names.Length];
1390                         for (int i = 0; i < names.Length; i++)
1391                                 generic_params [i] = new GenericTypeParameterBuilder (
1392                                         this, null, names [i], i);
1393
1394                         return generic_params;
1395                 }
1396
1397                 public MethodBuilder DefineGenericMethod (string name, MethodAttributes attributes)
1398                 {
1399                         return DefineMethod (name, attributes, CallingConventions.Standard, null, null);
1400                 }
1401 #endif
1402         }
1403 }