2 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
4 // Permission is hereby granted, free of charge, to any person obtaining
5 // a copy of this software and associated documentation files (the
6 // "Software"), to deal in the Software without restriction, including
7 // without limitation the rights to use, copy, modify, merge, publish,
8 // distribute, sublicense, and/or sell copies of the Software, and to
9 // permit persons to whom the Software is furnished to do so, subject to
10 // the following conditions:
12 // The above copyright notice and this permission notice shall be
13 // included in all copies or substantial portions of the Software.
15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 // System.Reflection.Emit/ModuleBuilder.cs
28 // Paolo Molaro (lupus@ximian.com)
30 // (C) 2001 Ximian, Inc. http://www.ximian.com
35 using System.Reflection;
36 using System.Collections;
37 using System.Collections.Generic;
38 using System.Runtime.CompilerServices;
39 using System.Runtime.InteropServices;
40 using System.Diagnostics.SymbolStore;
42 using System.Resources;
43 using System.Globalization;
45 namespace System.Reflection.Emit {
47 [ComDefaultInterface (typeof (_ModuleBuilder))]
48 [ClassInterface (ClassInterfaceType.None)]
49 [StructLayout (LayoutKind.Sequential)]
50 public class ModuleBuilder : Module, _ModuleBuilder {
52 #pragma warning disable 169, 414
53 #region Sync with object-internals.h
54 private UIntPtr dynamic_image; /* GC-tracked */
55 private int num_types;
56 private TypeBuilder[] types;
57 private CustomAttributeBuilder[] cattrs;
59 private int table_idx;
60 internal AssemblyBuilder assemblyb;
61 private MethodBuilder[] global_methods;
62 private FieldBuilder[] global_fields;
64 private MonoResource[] resources;
66 #pragma warning restore 169, 414
68 private TypeBuilder global_type;
69 private Type global_type_created;
70 // name_cache keys are display names
71 Dictionary<TypeName, TypeBuilder> name_cache;
72 Dictionary<string, int> us_string_cache;
73 private int[] table_indexes;
75 ModuleBuilderTokenGenerator token_gen;
76 Hashtable resource_writers;
77 ISymbolWriter symbolWriter;
79 [MethodImplAttribute(MethodImplOptions.InternalCall)]
80 private static extern void basic_init (ModuleBuilder ab);
82 [MethodImplAttribute(MethodImplOptions.InternalCall)]
83 private static extern void set_wrappers_type (ModuleBuilder mb, Type ab);
85 internal ModuleBuilder (AssemblyBuilder assb, string name, string fullyqname, bool emitSymbolInfo, bool transient) {
86 this.name = this.scopename = name;
87 this.fqname = fullyqname;
88 this.assembly = this.assemblyb = assb;
89 this.transient = transient;
90 // to keep mcs fast we do not want CryptoConfig wo be involved to create the RNG
91 guid = Guid.FastNewGuidArray ();
92 // guid = Guid.NewGuid().ToByteArray ();
93 table_idx = get_next_table_index (this, 0x00, true);
94 name_cache = new Dictionary<TypeName, TypeBuilder> ();
95 us_string_cache = new Dictionary<string, int> (512);
102 TypeBuilder tb = new TypeBuilder (this, TypeAttributes.Abstract, 0xFFFFFF); /*last valid token*/
103 Type type = tb.CreateType ();
104 set_wrappers_type (this, type);
107 if (emitSymbolInfo) {
108 Assembly asm = Assembly.LoadWithPartialName ("Mono.CompilerServices.SymbolWriter");
110 throw new TypeLoadException ("The assembly for default symbol writer cannot be loaded");
112 Type t = asm.GetType ("Mono.CompilerServices.SymbolWriter.SymbolWriterImpl", true);
113 symbolWriter = (ISymbolWriter) Activator.CreateInstance (t, new object[] { this });
114 string fileName = fqname;
115 if (assemblyb.AssemblyDir != null)
116 fileName = Path.Combine (assemblyb.AssemblyDir, fileName);
117 symbolWriter.Initialize (IntPtr.Zero, fileName, true);
121 public override string FullyQualifiedName {get { return fqname;}}
123 public bool IsTransient () {
127 public void CreateGlobalFunctions ()
129 if (global_type_created != null)
130 throw new InvalidOperationException ("global methods already created");
131 if (global_type != null)
132 global_type_created = global_type.CreateType ();
135 public FieldBuilder DefineInitializedData( string name, byte[] data, FieldAttributes attributes) {
137 throw new ArgumentNullException ("data");
139 FieldBuilder fb = DefineUninitializedData (name, data.Length,
140 attributes | FieldAttributes.HasFieldRVA);
141 fb.SetRVAData (data);
146 public FieldBuilder DefineUninitializedData (string name, int size, FieldAttributes attributes)
149 throw new ArgumentNullException ("name");
150 if (global_type_created != null)
151 throw new InvalidOperationException ("global fields already created");
152 if ((size <= 0) || (size > 0x3f0000))
153 throw new ArgumentException ("size", "Data size must be > 0 and < 0x3f0000");
157 string typeName = "$ArrayType$" + size;
158 Type datablobtype = GetType (typeName, false, false);
159 if (datablobtype == null) {
160 TypeBuilder tb = DefineType (typeName,
161 TypeAttributes.Public|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
162 assemblyb.corlib_value_type, null, PackingSize.Size1, size);
166 FieldBuilder fb = global_type.DefineField (name, datablobtype, attributes|FieldAttributes.Static);
168 if (global_fields != null) {
169 FieldBuilder[] new_fields = new FieldBuilder [global_fields.Length+1];
170 System.Array.Copy (global_fields, new_fields, global_fields.Length);
171 new_fields [global_fields.Length] = fb;
172 global_fields = new_fields;
174 global_fields = new FieldBuilder [1];
175 global_fields [0] = fb;
180 private void addGlobalMethod (MethodBuilder mb) {
181 if (global_methods != null) {
182 MethodBuilder[] new_methods = new MethodBuilder [global_methods.Length+1];
183 System.Array.Copy (global_methods, new_methods, global_methods.Length);
184 new_methods [global_methods.Length] = mb;
185 global_methods = new_methods;
187 global_methods = new MethodBuilder [1];
188 global_methods [0] = mb;
192 public MethodBuilder DefineGlobalMethod (string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes)
194 return DefineGlobalMethod (name, attributes, CallingConventions.Standard, returnType, parameterTypes);
197 public MethodBuilder DefineGlobalMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
198 return DefineGlobalMethod (name, attributes, callingConvention, returnType, null, null, parameterTypes, null, null);
201 public MethodBuilder DefineGlobalMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] requiredReturnTypeCustomModifiers, Type[] optionalReturnTypeCustomModifiers, Type[] parameterTypes, Type[][] requiredParameterTypeCustomModifiers, Type[][] optionalParameterTypeCustomModifiers)
204 throw new ArgumentNullException ("name");
205 if ((attributes & MethodAttributes.Static) == 0)
206 throw new ArgumentException ("global methods must be static");
207 if (global_type_created != null)
208 throw new InvalidOperationException ("global methods already created");
210 MethodBuilder mb = global_type.DefineMethod (name, attributes, callingConvention, returnType, requiredReturnTypeCustomModifiers, optionalReturnTypeCustomModifiers, parameterTypes, requiredParameterTypeCustomModifiers, optionalParameterTypeCustomModifiers);
212 addGlobalMethod (mb);
216 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
217 return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes, nativeCallConv, nativeCharSet);
220 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
222 throw new ArgumentNullException ("name");
223 if ((attributes & MethodAttributes.Static) == 0)
224 throw new ArgumentException ("global methods must be static");
225 if (global_type_created != null)
226 throw new InvalidOperationException ("global methods already created");
228 MethodBuilder mb = global_type.DefinePInvokeMethod (name, dllName, entryName, attributes, callingConvention, returnType, parameterTypes, nativeCallConv, nativeCharSet);
230 addGlobalMethod (mb);
234 public TypeBuilder DefineType (string name) {
235 return DefineType (name, 0);
238 public TypeBuilder DefineType (string name, TypeAttributes attr) {
239 if ((attr & TypeAttributes.Interface) != 0)
240 return DefineType (name, attr, null, null);
241 return DefineType (name, attr, typeof(object), null);
244 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent) {
245 return DefineType (name, attr, parent, null);
248 private void AddType (TypeBuilder tb)
251 if (types.Length == num_types) {
252 TypeBuilder[] new_types = new TypeBuilder [types.Length * 2];
253 System.Array.Copy (types, new_types, num_types);
257 types = new TypeBuilder [1];
259 types [num_types] = tb;
263 private TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packingSize, int typesize) {
265 throw new ArgumentNullException ("fullname");
266 TypeIdentifier ident = TypeIdentifiers.FromInternal (name);
267 if (name_cache.ContainsKey (ident))
268 throw new ArgumentException ("Duplicate type name within an assembly.");
269 TypeBuilder res = new TypeBuilder (this, name, attr, parent, interfaces, packingSize, typesize, null);
272 name_cache.Add (ident, res);
277 internal void RegisterTypeName (TypeBuilder tb, TypeName name)
279 name_cache.Add (name, tb);
282 internal TypeBuilder GetRegisteredType (TypeName name)
284 TypeBuilder result = null;
285 name_cache.TryGetValue (name, out result);
290 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, Type[] interfaces) {
291 return DefineType (name, attr, parent, interfaces, PackingSize.Unspecified, TypeBuilder.UnspecifiedTypeSize);
294 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, int typesize) {
295 return DefineType (name, attr, parent, null, PackingSize.Unspecified, typesize);
298 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, PackingSize packsize) {
299 return DefineType (name, attr, parent, null, packsize, TypeBuilder.UnspecifiedTypeSize);
302 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, PackingSize packingSize, int typesize) {
303 return DefineType (name, attr, parent, null, packingSize, typesize);
306 public MethodInfo GetArrayMethod( Type arrayClass, string methodName, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
307 return new MonoArrayMethod (arrayClass, methodName, callingConvention, returnType, parameterTypes);
310 public EnumBuilder DefineEnum( string name, TypeAttributes visibility, Type underlyingType) {
311 TypeIdentifier ident = TypeIdentifiers.FromInternal (name);
312 if (name_cache.ContainsKey (ident))
313 throw new ArgumentException ("Duplicate type name within an assembly.");
315 EnumBuilder eb = new EnumBuilder (this, name, visibility, underlyingType);
316 TypeBuilder res = eb.GetTypeBuilder ();
318 name_cache.Add (ident, res);
323 public override Type GetType( string className) {
324 return GetType (className, false, false);
328 public override Type GetType( string className, bool ignoreCase) {
329 return GetType (className, false, ignoreCase);
332 private TypeBuilder search_in_array (TypeBuilder[] arr, int validElementsInArray, TypeName className) {
334 for (i = 0; i < validElementsInArray; ++i) {
335 if (String.Compare (className.DisplayName, arr [i].FullName, true, CultureInfo.InvariantCulture) == 0) {
342 private TypeBuilder search_nested_in_array (TypeBuilder[] arr, int validElementsInArray, TypeName className) {
344 for (i = 0; i < validElementsInArray; ++i) {
345 if (String.Compare (className.DisplayName, arr [i].Name, true, CultureInfo.InvariantCulture) == 0)
351 private TypeBuilder GetMaybeNested (TypeBuilder t, IEnumerable<TypeName> nested) {
352 TypeBuilder result = t;
354 foreach (TypeName pname in nested) {
355 if (result.subtypes == null)
357 result = search_nested_in_array(result.subtypes, result.subtypes.Length, pname);
365 public override Type GetType (string className, bool throwOnError, bool ignoreCase)
367 if (className == null)
368 throw new ArgumentNullException ("className");
369 if (className.Length == 0)
370 throw new ArgumentException ("className");
372 TypeBuilder result = null;
374 if (types == null && throwOnError)
375 throw new TypeLoadException (className);
377 TypeSpec ts = TypeSpec.Parse (className);
380 var displayNestedName = ts.TypeNameWithoutModifiers();
381 name_cache.TryGetValue (displayNestedName, out result);
384 result = search_in_array (types, num_types, ts.Name);
385 if (!ts.IsNested && result != null) {
386 result = GetMaybeNested (result, ts.Nested);
389 if ((result == null) && throwOnError)
390 throw new TypeLoadException (className);
391 if (result != null && (ts.HasModifiers || ts.IsByRef)) {
393 if (result is TypeBuilder) {
394 var tb = result as TypeBuilder;
396 mt = tb.CreateType ();
398 foreach (var mod in ts.Modifiers) {
399 if (mod is PointerSpec)
400 mt = mt.MakePointerType ();
401 else if (mod is ArraySpec) {
402 var spec = mod as ArraySpec;
406 mt = mt.MakeArrayType ();
408 mt = mt.MakeArrayType (spec.Rank);
412 mt = mt.MakeByRefType ();
413 result = mt as TypeBuilder;
417 if (result != null && result.is_created)
418 return result.CreateType ();
423 internal int get_next_table_index (object obj, int table, bool inc) {
424 if (table_indexes == null) {
425 table_indexes = new int [64];
426 for (int i=0; i < 64; ++i)
427 table_indexes [i] = 1;
428 /* allow room for .<Module> in TypeDef table */
429 table_indexes [0x02] = 2;
431 // Console.WriteLine ("getindex for table "+table.ToString()+" got "+table_indexes [table].ToString());
433 return table_indexes [table]++;
434 return table_indexes [table];
437 public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
438 if (cattrs != null) {
439 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
440 cattrs.CopyTo (new_array, 0);
441 new_array [cattrs.Length] = customBuilder;
444 cattrs = new CustomAttributeBuilder [1];
445 cattrs [0] = customBuilder;
450 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
451 SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
454 public ISymbolWriter GetSymWriter () {
458 public ISymbolDocumentWriter DefineDocument (string url, Guid language, Guid languageVendor, Guid documentType)
460 if (symbolWriter != null)
461 return symbolWriter.DefineDocument (url, language, languageVendor, documentType);
466 public override Type [] GetTypes ()
469 return Type.EmptyTypes;
472 Type [] copy = new Type [n];
473 Array.Copy (types, copy, n);
475 // MS replaces the typebuilders with their created types
476 for (int i = 0; i < copy.Length; ++i)
477 if (types [i].is_created)
478 copy [i] = types [i].CreateType ();
483 public IResourceWriter DefineResource (string name, string description, ResourceAttributes attribute)
486 throw new ArgumentNullException ("name");
487 if (name == String.Empty)
488 throw new ArgumentException ("name cannot be empty");
490 throw new InvalidOperationException ("The module is transient");
491 if (!assemblyb.IsSave)
492 throw new InvalidOperationException ("The assembly is transient");
493 ResourceWriter writer = new ResourceWriter (new MemoryStream ());
494 if (resource_writers == null)
495 resource_writers = new Hashtable ();
496 resource_writers [name] = writer;
498 // The data is filled out later
499 if (resources != null) {
500 MonoResource[] new_r = new MonoResource [resources.Length + 1];
501 System.Array.Copy(resources, new_r, resources.Length);
504 resources = new MonoResource [1];
506 int p = resources.Length - 1;
507 resources [p].name = name;
508 resources [p].attrs = attribute;
513 public IResourceWriter DefineResource (string name, string description)
515 return DefineResource (name, description, ResourceAttributes.Public);
519 public void DefineUnmanagedResource (byte[] resource)
521 if (resource == null)
522 throw new ArgumentNullException ("resource");
524 throw new NotImplementedException ();
528 public void DefineUnmanagedResource (string resourceFileName)
530 if (resourceFileName == null)
531 throw new ArgumentNullException ("resourceFileName");
532 if (resourceFileName == String.Empty)
533 throw new ArgumentException ("resourceFileName");
534 if (!File.Exists (resourceFileName) || Directory.Exists (resourceFileName))
535 throw new FileNotFoundException ("File '" + resourceFileName + "' does not exist or is a directory.");
537 throw new NotImplementedException ();
540 public void DefineManifestResource (string name, Stream stream, ResourceAttributes attribute) {
542 throw new ArgumentNullException ("name");
543 if (name == String.Empty)
544 throw new ArgumentException ("name cannot be empty");
546 throw new ArgumentNullException ("stream");
548 throw new InvalidOperationException ("The module is transient");
549 if (!assemblyb.IsSave)
550 throw new InvalidOperationException ("The assembly is transient");
552 if (resources != null) {
553 MonoResource[] new_r = new MonoResource [resources.Length + 1];
554 System.Array.Copy(resources, new_r, resources.Length);
557 resources = new MonoResource [1];
559 int p = resources.Length - 1;
560 resources [p].name = name;
561 resources [p].attrs = attribute;
562 resources [p].stream = stream;
566 public void SetSymCustomAttribute (string name, byte[] data)
568 throw new NotImplementedException ();
572 public void SetUserEntryPoint (MethodInfo entryPoint)
574 if (entryPoint == null)
575 throw new ArgumentNullException ("entryPoint");
576 if (entryPoint.DeclaringType.Module != this)
577 throw new InvalidOperationException ("entryPoint is not contained in this module");
578 throw new NotImplementedException ();
581 public MethodToken GetMethodToken (MethodInfo method)
584 throw new ArgumentNullException ("method");
586 return new MethodToken (GetToken (method));
589 public MethodToken GetMethodToken (MethodInfo method, IEnumerable<Type> optionalParameterTypes)
592 throw new ArgumentNullException ("method");
594 return new MethodToken (GetToken (method, optionalParameterTypes));
597 public MethodToken GetArrayMethodToken (Type arrayClass, string methodName, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
599 return GetMethodToken (GetArrayMethod (arrayClass, methodName, callingConvention, returnType, parameterTypes));
603 public MethodToken GetConstructorToken (ConstructorInfo con)
606 throw new ArgumentNullException ("con");
608 return new MethodToken (GetToken (con));
611 public MethodToken GetConstructorToken (ConstructorInfo constructor, IEnumerable<Type> optionalParameterTypes)
613 if (constructor == null)
614 throw new ArgumentNullException ("constructor");
616 return new MethodToken (GetToken (constructor, optionalParameterTypes));
619 public FieldToken GetFieldToken (FieldInfo field)
622 throw new ArgumentNullException ("field");
624 return new FieldToken (GetToken (field));
628 public SignatureToken GetSignatureToken (byte[] sigBytes, int sigLength)
630 throw new NotImplementedException ();
633 public SignatureToken GetSignatureToken (SignatureHelper sigHelper)
635 if (sigHelper == null)
636 throw new ArgumentNullException ("sigHelper");
637 return new SignatureToken (GetToken (sigHelper));
640 public StringToken GetStringConstant (string str)
643 throw new ArgumentNullException ("str");
644 return new StringToken (GetToken (str));
647 public TypeToken GetTypeToken (Type type)
650 throw new ArgumentNullException ("type");
652 throw new ArgumentException ("type can't be a byref type", "type");
653 if (!IsTransient () && (type.Module is ModuleBuilder) && ((ModuleBuilder)type.Module).IsTransient ())
654 throw new InvalidOperationException ("a non-transient module can't reference a transient module");
655 return new TypeToken (GetToken (type));
658 public TypeToken GetTypeToken (string name)
660 return GetTypeToken (GetType (name));
663 [MethodImplAttribute(MethodImplOptions.InternalCall)]
664 private static extern int getUSIndex (ModuleBuilder mb, string str);
666 [MethodImplAttribute(MethodImplOptions.InternalCall)]
667 private static extern int getToken (ModuleBuilder mb, object obj, bool create_open_instance);
669 [MethodImplAttribute(MethodImplOptions.InternalCall)]
670 private static extern int getMethodToken (ModuleBuilder mb, MethodBase method,
671 Type[] opt_param_types);
673 internal int GetToken (string str)
676 if (!us_string_cache.TryGetValue (str, out result)) {
677 result = getUSIndex (this, str);
678 us_string_cache [str] = result;
684 static int typeref_tokengen = 0x01ffffff;
685 static int typedef_tokengen = 0x02ffffff;
686 static int typespec_tokengen = 0x1bffffff;
687 static int memberref_tokengen = 0x0affffff;
688 static int methoddef_tokengen = 0x06ffffff;
689 Dictionary<MemberInfo, int> inst_tokens = new Dictionary<MemberInfo, int> ();
690 Dictionary<MemberInfo, int> inst_tokens_open = new Dictionary<MemberInfo, int> ();
693 // Assign a pseudo token to the various TypeBuilderInst objects, so the runtime
694 // doesn't have to deal with them.
695 // For Save assemblies, the tokens will be fixed up later during Save ().
696 // For Run assemblies, the tokens will not be fixed up, so the runtime will
697 // still encounter these objects, it will resolve them by calling their
698 // RuntimeResolve () methods.
700 int GetPseudoToken (MemberInfo member, bool create_open_instance) {
703 if (create_open_instance) {
704 if (inst_tokens_open.TryGetValue (member, out token))
707 if (inst_tokens.TryGetValue (member, out token))
710 // Count backwards to avoid collisions with the tokens
711 // allocated by the runtime
712 if (member is TypeBuilderInstantiation || member is SymbolType)
713 token = typespec_tokengen --;
714 else if (member is FieldOnTypeBuilderInst)
715 token = memberref_tokengen --;
716 else if (member is ConstructorOnTypeBuilderInst)
717 token = memberref_tokengen --;
718 else if (member is MethodOnTypeBuilderInst)
719 token = memberref_tokengen --;
720 else if (member is FieldBuilder)
721 token = memberref_tokengen --;
722 else if (member is TypeBuilder) {
723 if (create_open_instance && (member as TypeBuilder).ContainsGenericParameters)
724 token = typespec_tokengen --;
725 else if (member.Module == this)
726 token = typedef_tokengen --;
728 token = typeref_tokengen --;
729 } else if (member is ConstructorBuilder) {
730 if (member.Module == this && !(member as ConstructorBuilder).TypeBuilder.ContainsGenericParameters)
731 token = methoddef_tokengen --;
733 token = memberref_tokengen --;
734 } else if (member is MethodBuilder) {
735 var mb = member as MethodBuilder;
736 if (member.Module == this && !mb.TypeBuilder.ContainsGenericParameters && !mb.IsGenericMethodDefinition)
737 token = methoddef_tokengen --;
739 token = memberref_tokengen --;
740 } else if (member is GenericTypeParameterBuilder) {
741 token = typespec_tokengen --;
743 throw new NotImplementedException ();
744 if (create_open_instance)
745 inst_tokens_open [member] = token;
747 inst_tokens [member] = token;
748 RegisterToken (member, token);
752 internal int GetToken (MemberInfo member) {
753 if (member is ConstructorBuilder || member is MethodBuilder)
754 return GetPseudoToken (member, false);
755 return getToken (this, member, true);
758 internal int GetToken (MemberInfo member, bool create_open_instance) {
759 if (member is TypeBuilderInstantiation || member is FieldOnTypeBuilderInst || member is ConstructorOnTypeBuilderInst || member is MethodOnTypeBuilderInst || member is SymbolType || member is FieldBuilder || member is TypeBuilder || member is ConstructorBuilder || member is MethodBuilder || member is GenericTypeParameterBuilder)
760 return GetPseudoToken (member, create_open_instance);
761 return getToken (this, member, create_open_instance);
764 internal int GetToken (MethodBase method, IEnumerable<Type> opt_param_types) {
765 if (method is ConstructorBuilder || method is MethodBuilder)
766 return GetPseudoToken (method, false);
768 if (opt_param_types == null)
769 return getToken (this, method, true);
771 var optParamTypes = new List<Type> (opt_param_types);
772 return getMethodToken (this, method, optParamTypes.ToArray ());
775 internal int GetToken (MethodBase method, Type[] opt_param_types) {
776 if (method is ConstructorBuilder || method is MethodBuilder)
777 return GetPseudoToken (method, false);
778 return getMethodToken (this, method, opt_param_types);
781 internal int GetToken (SignatureHelper helper) {
782 return getToken (this, helper, true);
786 * Register the token->obj mapping with the runtime so the Module.Resolve...
787 * methods will work for obj.
789 [MethodImplAttribute(MethodImplOptions.InternalCall)]
790 internal extern void RegisterToken (object obj, int token);
793 * Returns MemberInfo registered with the given token.
795 [MethodImplAttribute(MethodImplOptions.InternalCall)]
796 internal extern object GetRegisteredToken (int token);
798 internal TokenGenerator GetTokenGenerator () {
799 if (token_gen == null)
800 token_gen = new ModuleBuilderTokenGenerator (this);
804 // Called from the runtime to return the corresponding finished reflection object
805 internal static object RuntimeResolve (object obj) {
806 if (obj is MethodBuilder)
807 return (obj as MethodBuilder).RuntimeResolve ();
808 if (obj is ConstructorBuilder)
809 return (obj as ConstructorBuilder).RuntimeResolve ();
810 if (obj is FieldBuilder)
811 return (obj as FieldBuilder).RuntimeResolve ();
812 if (obj is GenericTypeParameterBuilder)
813 return (obj as GenericTypeParameterBuilder).RuntimeResolve ();
814 if (obj is FieldOnTypeBuilderInst)
815 return (obj as FieldOnTypeBuilderInst).RuntimeResolve ();
816 if (obj is MethodOnTypeBuilderInst)
817 return (obj as MethodOnTypeBuilderInst).RuntimeResolve ();
818 if (obj is ConstructorOnTypeBuilderInst)
819 return (obj as ConstructorOnTypeBuilderInst).RuntimeResolve ();
821 return (obj as Type).RuntimeResolve ();
822 throw new NotImplementedException (obj.GetType ().FullName);
825 [MethodImplAttribute(MethodImplOptions.InternalCall)]
826 private static extern void build_metadata (ModuleBuilder mb);
828 [MethodImplAttribute(MethodImplOptions.InternalCall)]
829 private extern void WriteToFile (IntPtr handle);
831 void FixupTokens (Dictionary<int, int> token_map, Dictionary<int, MemberInfo> member_map, Dictionary<MemberInfo, int> inst_tokens,
833 foreach (var v in inst_tokens) {
835 var old_token = v.Value;
836 MemberInfo finished = null;
838 // Construct the concrete reflection object corresponding to the
839 // TypeBuilderInst object, and request a token for it instead.
840 if (member is TypeBuilderInstantiation || member is SymbolType) {
841 finished = (member as Type).RuntimeResolve ();
842 } else if (member is FieldOnTypeBuilderInst) {
843 finished = (member as FieldOnTypeBuilderInst).RuntimeResolve ();
844 } else if (member is ConstructorOnTypeBuilderInst) {
845 finished = (member as ConstructorOnTypeBuilderInst).RuntimeResolve ();
846 } else if (member is MethodOnTypeBuilderInst) {
847 finished = (member as MethodOnTypeBuilderInst).RuntimeResolve ();
848 } else if (member is FieldBuilder) {
849 finished = (member as FieldBuilder).RuntimeResolve ();
850 } else if (member is TypeBuilder) {
851 finished = (member as TypeBuilder).RuntimeResolve ();
852 } else if (member is ConstructorBuilder) {
853 finished = (member as ConstructorBuilder).RuntimeResolve ();
854 } else if (member is MethodBuilder) {
855 finished = (member as MethodBuilder).RuntimeResolve ();
856 } else if (member is GenericTypeParameterBuilder) {
857 finished = (member as GenericTypeParameterBuilder).RuntimeResolve ();
859 throw new NotImplementedException ();
862 int new_token = GetToken (finished, open);
863 token_map [old_token] = new_token;
864 member_map [old_token] = finished;
865 // Replace the token mapping in the runtime so it points to the new object
866 RegisterToken (finished, old_token);
871 // Fixup the pseudo tokens assigned to the various SRE objects
873 void FixupTokens () {
874 var token_map = new Dictionary<int, int> ();
875 var member_map = new Dictionary<int, MemberInfo> ();
876 FixupTokens (token_map, member_map, inst_tokens, false);
877 FixupTokens (token_map, member_map, inst_tokens_open, true);
879 // Replace the tokens in the IL stream
881 for (int i = 0; i < num_types; ++i)
882 types [i].FixupTokens (token_map, member_map);
886 internal void Save ()
888 if (transient && !is_main)
892 for (int i = 0; i < num_types; ++i)
893 if (!types [i].is_created)
894 throw new NotSupportedException ("Type '" + types [i].FullName + "' was not completed.");
899 if ((global_type != null) && (global_type_created == null))
900 global_type_created = global_type.CreateType ();
902 if (resources != null) {
903 for (int i = 0; i < resources.Length; ++i) {
904 IResourceWriter rwriter;
905 if (resource_writers != null && (rwriter = resource_writers [resources [i].name] as IResourceWriter) != null) {
906 ResourceWriter writer = (ResourceWriter)rwriter;
908 MemoryStream mstream = (MemoryStream)writer._output;
909 resources [i].data = new byte [mstream.Length];
910 mstream.Seek (0, SeekOrigin.Begin);
911 mstream.Read (resources [i].data, 0, (int)mstream.Length);
914 Stream stream = resources [i].stream;
916 // According to MSDN docs, the stream is read during assembly save, not earlier
917 if (stream != null) {
919 long len = stream.Length;
920 resources [i].data = new byte [len];
921 stream.Seek (0, SeekOrigin.Begin);
922 stream.Read (resources [i].data, 0, (int)len);
930 build_metadata (this);
932 string fileName = fqname;
933 if (assemblyb.AssemblyDir != null)
934 fileName = Path.Combine (assemblyb.AssemblyDir, fileName);
937 // We mmap the file, so unlink the previous version since it may be in use
938 File.Delete (fileName);
940 // We can safely ignore
942 using (FileStream file = new FileStream (fileName, FileMode.Create, FileAccess.Write))
943 WriteToFile (file.Handle);
946 // The constant 0x80000000 is internal to Mono, it means `make executable'
948 File.SetAttributes (fileName, (FileAttributes) (unchecked ((int) 0x80000000)));
950 if (types != null && symbolWriter != null) {
951 for (int i = 0; i < num_types; ++i)
952 types [i].GenerateDebugInfo (symbolWriter);
953 symbolWriter.Close ();
957 internal string FileName {
963 internal bool IsMain {
969 internal void CreateGlobalType () {
970 if (global_type == null)
971 global_type = new TypeBuilder (this, 0, 1);
974 internal override Guid GetModuleVersionId ()
976 return new Guid (guid);
979 // Used by mcs, the symbol writer, and mdb through reflection
980 internal static Guid Mono_GetGuid (ModuleBuilder mb)
982 return mb.GetModuleVersionId ();
985 void _ModuleBuilder.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
987 throw new NotImplementedException ();
990 void _ModuleBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
992 throw new NotImplementedException ();
995 void _ModuleBuilder.GetTypeInfoCount (out uint pcTInfo)
997 throw new NotImplementedException ();
1000 void _ModuleBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
1002 throw new NotImplementedException ();
1005 public override Assembly Assembly {
1006 get { return assemblyb; }
1009 public override string Name {
1010 get { return name; }
1013 public override string ScopeName {
1014 get { return name; }
1017 public override Guid ModuleVersionId {
1019 return GetModuleVersionId ();
1023 //XXX resource modules can't be defined with ModuleBuilder
1024 public override bool IsResource ()
1029 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
1031 if (global_type_created == null)
1034 return global_type_created.GetMethod (name);
1035 return global_type_created.GetMethod (name, bindingAttr, binder, callConvention, types, modifiers);
1038 public override FieldInfo ResolveField (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
1039 ResolveTokenError error;
1041 IntPtr handle = ResolveFieldToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1042 if (handle == IntPtr.Zero)
1043 throw resolve_token_exception (metadataToken, error, "Field");
1045 return FieldInfo.GetFieldFromHandle (new RuntimeFieldHandle (handle));
1048 public override MemberInfo ResolveMember (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
1050 ResolveTokenError error;
1052 MemberInfo m = ResolveMemberToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1054 throw resolve_token_exception (metadataToken, error, "MemberInfo");
1059 internal MemberInfo ResolveOrGetRegisteredToken (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments)
1061 ResolveTokenError error;
1062 MemberInfo m = ResolveMemberToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1066 m = GetRegisteredToken (metadataToken) as MemberInfo;
1068 throw resolve_token_exception (metadataToken, error, "MemberInfo");
1073 public override MethodBase ResolveMethod (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
1074 ResolveTokenError error;
1076 IntPtr handle = ResolveMethodToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1077 if (handle == IntPtr.Zero)
1078 throw resolve_token_exception (metadataToken, error, "MethodBase");
1080 return MethodBase.GetMethodFromHandleNoGenericCheck (new RuntimeMethodHandle (handle));
1083 public override string ResolveString (int metadataToken) {
1084 ResolveTokenError error;
1086 string s = ResolveStringToken (_impl, metadataToken, out error);
1088 throw resolve_token_exception (metadataToken, error, "string");
1093 public override byte[] ResolveSignature (int metadataToken) {
1094 ResolveTokenError error;
1096 byte[] res = ResolveSignature (_impl, metadataToken, out error);
1098 throw resolve_token_exception (metadataToken, error, "signature");
1103 public override Type ResolveType (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
1104 ResolveTokenError error;
1106 IntPtr handle = ResolveTypeToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1107 if (handle == IntPtr.Zero)
1108 throw resolve_token_exception (metadataToken, error, "Type");
1110 return Type.GetTypeFromHandle (new RuntimeTypeHandle (handle));
1113 public override bool Equals (object obj)
1115 return base.Equals (obj);
1118 public override int GetHashCode ()
1120 return base.GetHashCode ();
1123 public override bool IsDefined (Type attributeType, bool inherit)
1125 return base.IsDefined (attributeType, inherit);
1128 public override object[] GetCustomAttributes (bool inherit)
1130 return base.GetCustomAttributes (inherit);
1133 public override object[] GetCustomAttributes (Type attributeType, bool inherit)
1135 return base.GetCustomAttributes (attributeType, inherit);
1138 public override FieldInfo GetField (string name, BindingFlags bindingAttr)
1140 return base.GetField (name, bindingAttr);
1143 public override FieldInfo[] GetFields (BindingFlags bindingFlags)
1145 return base.GetFields (bindingFlags);
1148 public override MethodInfo[] GetMethods (BindingFlags bindingFlags)
1150 return base.GetMethods (bindingFlags);
1153 public override int MetadataToken {
1155 return base.MetadataToken;
1160 internal class ModuleBuilderTokenGenerator : TokenGenerator {
1162 private ModuleBuilder mb;
1164 public ModuleBuilderTokenGenerator (ModuleBuilder mb) {
1168 public int GetToken (string str) {
1169 return mb.GetToken (str);
1172 public int GetToken (MemberInfo member, bool create_open_instance) {
1173 return mb.GetToken (member, create_open_instance);
1176 public int GetToken (MethodBase method, Type[] opt_param_types) {
1177 return mb.GetToken (method, opt_param_types);
1180 public int GetToken (SignatureHelper helper) {
1181 return mb.GetToken (helper);