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;
65 private IntPtr unparented_classes;
67 #pragma warning restore 169, 414
69 private TypeBuilder global_type;
70 private Type global_type_created;
71 // name_cache keys are display names
72 Dictionary<TypeName, TypeBuilder> name_cache;
73 Dictionary<string, int> us_string_cache;
74 private int[] table_indexes;
76 ModuleBuilderTokenGenerator token_gen;
77 Hashtable resource_writers;
78 ISymbolWriter symbolWriter;
80 [MethodImplAttribute(MethodImplOptions.InternalCall)]
81 private static extern void basic_init (ModuleBuilder ab);
83 [MethodImplAttribute(MethodImplOptions.InternalCall)]
84 private static extern void set_wrappers_type (ModuleBuilder mb, Type ab);
86 internal ModuleBuilder (AssemblyBuilder assb, string name, string fullyqname, bool emitSymbolInfo, bool transient) {
87 this.name = this.scopename = name;
88 this.fqname = fullyqname;
89 this.assembly = this.assemblyb = assb;
90 this.transient = transient;
91 // to keep mcs fast we do not want CryptoConfig wo be involved to create the RNG
92 guid = Guid.FastNewGuidArray ();
93 // guid = Guid.NewGuid().ToByteArray ();
94 table_idx = get_next_table_index (this, 0x00, true);
95 name_cache = new Dictionary<TypeName, TypeBuilder> ();
96 us_string_cache = new Dictionary<string, int> (512);
103 TypeBuilder tb = new TypeBuilder (this, TypeAttributes.Abstract, 0xFFFFFF); /*last valid token*/
104 Type type = tb.CreateType ();
105 set_wrappers_type (this, type);
108 if (emitSymbolInfo) {
109 Assembly asm = Assembly.LoadWithPartialName ("Mono.CompilerServices.SymbolWriter");
111 throw new TypeLoadException ("The assembly for default symbol writer cannot be loaded");
113 Type t = asm.GetType ("Mono.CompilerServices.SymbolWriter.SymbolWriterImpl", true);
114 symbolWriter = (ISymbolWriter) Activator.CreateInstance (t, new object[] { this });
115 string fileName = fqname;
116 if (assemblyb.AssemblyDir != null)
117 fileName = Path.Combine (assemblyb.AssemblyDir, fileName);
118 symbolWriter.Initialize (IntPtr.Zero, fileName, true);
122 public override string FullyQualifiedName {get { return fqname;}}
124 public bool IsTransient () {
128 public void CreateGlobalFunctions ()
130 if (global_type_created != null)
131 throw new InvalidOperationException ("global methods already created");
132 if (global_type != null)
133 global_type_created = global_type.CreateType ();
136 public FieldBuilder DefineInitializedData( string name, byte[] data, FieldAttributes attributes) {
138 throw new ArgumentNullException ("data");
140 FieldBuilder fb = DefineUninitializedData (name, data.Length,
141 attributes | FieldAttributes.HasFieldRVA);
142 fb.SetRVAData (data);
147 public FieldBuilder DefineUninitializedData (string name, int size, FieldAttributes attributes)
150 throw new ArgumentNullException ("name");
151 if (global_type_created != null)
152 throw new InvalidOperationException ("global fields already created");
153 if ((size <= 0) || (size > 0x3f0000))
154 throw new ArgumentException ("size", "Data size must be > 0 and < 0x3f0000");
158 string typeName = "$ArrayType$" + size;
159 Type datablobtype = GetType (typeName, false, false);
160 if (datablobtype == null) {
161 TypeBuilder tb = DefineType (typeName,
162 TypeAttributes.Public|TypeAttributes.ExplicitLayout|TypeAttributes.Sealed,
163 assemblyb.corlib_value_type, null, PackingSize.Size1, size);
167 FieldBuilder fb = global_type.DefineField (name, datablobtype, attributes|FieldAttributes.Static);
169 if (global_fields != null) {
170 FieldBuilder[] new_fields = new FieldBuilder [global_fields.Length+1];
171 System.Array.Copy (global_fields, new_fields, global_fields.Length);
172 new_fields [global_fields.Length] = fb;
173 global_fields = new_fields;
175 global_fields = new FieldBuilder [1];
176 global_fields [0] = fb;
181 private void addGlobalMethod (MethodBuilder mb) {
182 if (global_methods != null) {
183 MethodBuilder[] new_methods = new MethodBuilder [global_methods.Length+1];
184 System.Array.Copy (global_methods, new_methods, global_methods.Length);
185 new_methods [global_methods.Length] = mb;
186 global_methods = new_methods;
188 global_methods = new MethodBuilder [1];
189 global_methods [0] = mb;
193 public MethodBuilder DefineGlobalMethod (string name, MethodAttributes attributes, Type returnType, Type[] parameterTypes)
195 return DefineGlobalMethod (name, attributes, CallingConventions.Standard, returnType, parameterTypes);
198 public MethodBuilder DefineGlobalMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
199 return DefineGlobalMethod (name, attributes, callingConvention, returnType, null, null, parameterTypes, null, null);
202 public MethodBuilder DefineGlobalMethod (string name, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] requiredReturnTypeCustomModifiers, Type[] optionalReturnTypeCustomModifiers, Type[] parameterTypes, Type[][] requiredParameterTypeCustomModifiers, Type[][] optionalParameterTypeCustomModifiers)
205 throw new ArgumentNullException ("name");
206 if ((attributes & MethodAttributes.Static) == 0)
207 throw new ArgumentException ("global methods must be static");
208 if (global_type_created != null)
209 throw new InvalidOperationException ("global methods already created");
211 MethodBuilder mb = global_type.DefineMethod (name, attributes, callingConvention, returnType, requiredReturnTypeCustomModifiers, optionalReturnTypeCustomModifiers, parameterTypes, requiredParameterTypeCustomModifiers, optionalParameterTypeCustomModifiers);
213 addGlobalMethod (mb);
217 public MethodBuilder DefinePInvokeMethod (string name, string dllName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
218 return DefinePInvokeMethod (name, dllName, name, attributes, callingConvention, returnType, parameterTypes, nativeCallConv, nativeCharSet);
221 public MethodBuilder DefinePInvokeMethod (string name, string dllName, string entryName, MethodAttributes attributes, CallingConventions callingConvention, Type returnType, Type[] parameterTypes, CallingConvention nativeCallConv, CharSet nativeCharSet) {
223 throw new ArgumentNullException ("name");
224 if ((attributes & MethodAttributes.Static) == 0)
225 throw new ArgumentException ("global methods must be static");
226 if (global_type_created != null)
227 throw new InvalidOperationException ("global methods already created");
229 MethodBuilder mb = global_type.DefinePInvokeMethod (name, dllName, entryName, attributes, callingConvention, returnType, parameterTypes, nativeCallConv, nativeCharSet);
231 addGlobalMethod (mb);
235 public TypeBuilder DefineType (string name) {
236 return DefineType (name, 0);
239 public TypeBuilder DefineType (string name, TypeAttributes attr) {
240 if ((attr & TypeAttributes.Interface) != 0)
241 return DefineType (name, attr, null, null);
242 return DefineType (name, attr, typeof(object), null);
245 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent) {
246 return DefineType (name, attr, parent, null);
249 private void AddType (TypeBuilder tb)
252 if (types.Length == num_types) {
253 TypeBuilder[] new_types = new TypeBuilder [types.Length * 2];
254 System.Array.Copy (types, new_types, num_types);
258 types = new TypeBuilder [1];
260 types [num_types] = tb;
264 private TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, Type[] interfaces, PackingSize packingSize, int typesize) {
266 throw new ArgumentNullException ("fullname");
267 TypeIdentifier ident = TypeIdentifiers.FromInternal (name);
268 if (name_cache.ContainsKey (ident))
269 throw new ArgumentException ("Duplicate type name within an assembly.");
270 TypeBuilder res = new TypeBuilder (this, name, attr, parent, interfaces, packingSize, typesize, null);
273 name_cache.Add (ident, res);
278 internal void RegisterTypeName (TypeBuilder tb, TypeName name)
280 name_cache.Add (name, tb);
283 internal TypeBuilder GetRegisteredType (TypeName name)
285 TypeBuilder result = null;
286 name_cache.TryGetValue (name, out result);
291 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, Type[] interfaces) {
292 return DefineType (name, attr, parent, interfaces, PackingSize.Unspecified, TypeBuilder.UnspecifiedTypeSize);
295 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, int typesize) {
296 return DefineType (name, attr, parent, null, PackingSize.Unspecified, typesize);
299 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, PackingSize packsize) {
300 return DefineType (name, attr, parent, null, packsize, TypeBuilder.UnspecifiedTypeSize);
303 public TypeBuilder DefineType (string name, TypeAttributes attr, Type parent, PackingSize packingSize, int typesize) {
304 return DefineType (name, attr, parent, null, packingSize, typesize);
307 public MethodInfo GetArrayMethod( Type arrayClass, string methodName, CallingConventions callingConvention, Type returnType, Type[] parameterTypes) {
308 return new MonoArrayMethod (arrayClass, methodName, callingConvention, returnType, parameterTypes);
311 public EnumBuilder DefineEnum( string name, TypeAttributes visibility, Type underlyingType) {
312 TypeIdentifier ident = TypeIdentifiers.FromInternal (name);
313 if (name_cache.ContainsKey (ident))
314 throw new ArgumentException ("Duplicate type name within an assembly.");
316 EnumBuilder eb = new EnumBuilder (this, name, visibility, underlyingType);
317 TypeBuilder res = eb.GetTypeBuilder ();
319 name_cache.Add (ident, res);
324 public override Type GetType( string className) {
325 return GetType (className, false, false);
329 public override Type GetType( string className, bool ignoreCase) {
330 return GetType (className, false, ignoreCase);
333 private TypeBuilder search_in_array (TypeBuilder[] arr, int validElementsInArray, TypeName className) {
335 for (i = 0; i < validElementsInArray; ++i) {
336 if (String.Compare (className.DisplayName, arr [i].FullName, true, CultureInfo.InvariantCulture) == 0) {
343 private TypeBuilder search_nested_in_array (TypeBuilder[] arr, int validElementsInArray, TypeName className) {
345 for (i = 0; i < validElementsInArray; ++i) {
346 if (String.Compare (className.DisplayName, arr [i].Name, true, CultureInfo.InvariantCulture) == 0)
352 private TypeBuilder GetMaybeNested (TypeBuilder t, IEnumerable<TypeName> nested) {
353 TypeBuilder result = t;
355 foreach (TypeName pname in nested) {
356 if (result.subtypes == null)
358 result = search_nested_in_array(result.subtypes, result.subtypes.Length, pname);
366 public override Type GetType (string className, bool throwOnError, bool ignoreCase)
368 if (className == null)
369 throw new ArgumentNullException ("className");
370 if (className.Length == 0)
371 throw new ArgumentException ("className");
373 TypeBuilder result = null;
375 if (types == null && throwOnError)
376 throw new TypeLoadException (className);
378 TypeSpec ts = TypeSpec.Parse (className);
381 var displayNestedName = ts.TypeNameWithoutModifiers();
382 name_cache.TryGetValue (displayNestedName, out result);
385 result = search_in_array (types, num_types, ts.Name);
386 if (!ts.IsNested && result != null) {
387 result = GetMaybeNested (result, ts.Nested);
390 if ((result == null) && throwOnError)
391 throw new TypeLoadException (className);
392 if (result != null && (ts.HasModifiers || ts.IsByRef)) {
394 if (result is TypeBuilder) {
395 var tb = result as TypeBuilder;
397 mt = tb.CreateType ();
399 foreach (var mod in ts.Modifiers) {
400 if (mod is PointerSpec)
401 mt = mt.MakePointerType ();
402 else if (mod is ArraySpec) {
403 var spec = mod as ArraySpec;
407 mt = mt.MakeArrayType ();
409 mt = mt.MakeArrayType (spec.Rank);
413 mt = mt.MakeByRefType ();
414 result = mt as TypeBuilder;
418 if (result != null && result.is_created)
419 return result.CreateType ();
424 internal int get_next_table_index (object obj, int table, bool inc) {
425 if (table_indexes == null) {
426 table_indexes = new int [64];
427 for (int i=0; i < 64; ++i)
428 table_indexes [i] = 1;
429 /* allow room for .<Module> in TypeDef table */
430 table_indexes [0x02] = 2;
432 // Console.WriteLine ("getindex for table "+table.ToString()+" got "+table_indexes [table].ToString());
434 return table_indexes [table]++;
435 return table_indexes [table];
438 public void SetCustomAttribute( CustomAttributeBuilder customBuilder) {
439 if (cattrs != null) {
440 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
441 cattrs.CopyTo (new_array, 0);
442 new_array [cattrs.Length] = customBuilder;
445 cattrs = new CustomAttributeBuilder [1];
446 cattrs [0] = customBuilder;
451 public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
452 SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
455 public ISymbolWriter GetSymWriter () {
459 public ISymbolDocumentWriter DefineDocument (string url, Guid language, Guid languageVendor, Guid documentType)
461 if (symbolWriter != null)
462 return symbolWriter.DefineDocument (url, language, languageVendor, documentType);
467 public override Type [] GetTypes ()
470 return Type.EmptyTypes;
473 Type [] copy = new Type [n];
474 Array.Copy (types, copy, n);
476 // MS replaces the typebuilders with their created types
477 for (int i = 0; i < copy.Length; ++i)
478 if (types [i].is_created)
479 copy [i] = types [i].CreateType ();
484 public IResourceWriter DefineResource (string name, string description, ResourceAttributes attribute)
487 throw new ArgumentNullException ("name");
488 if (name == String.Empty)
489 throw new ArgumentException ("name cannot be empty");
491 throw new InvalidOperationException ("The module is transient");
492 if (!assemblyb.IsSave)
493 throw new InvalidOperationException ("The assembly is transient");
494 ResourceWriter writer = new ResourceWriter (new MemoryStream ());
495 if (resource_writers == null)
496 resource_writers = new Hashtable ();
497 resource_writers [name] = writer;
499 // The data is filled out later
500 if (resources != null) {
501 MonoResource[] new_r = new MonoResource [resources.Length + 1];
502 System.Array.Copy(resources, new_r, resources.Length);
505 resources = new MonoResource [1];
507 int p = resources.Length - 1;
508 resources [p].name = name;
509 resources [p].attrs = attribute;
514 public IResourceWriter DefineResource (string name, string description)
516 return DefineResource (name, description, ResourceAttributes.Public);
520 public void DefineUnmanagedResource (byte[] resource)
522 if (resource == null)
523 throw new ArgumentNullException ("resource");
525 throw new NotImplementedException ();
529 public void DefineUnmanagedResource (string resourceFileName)
531 if (resourceFileName == null)
532 throw new ArgumentNullException ("resourceFileName");
533 if (resourceFileName == String.Empty)
534 throw new ArgumentException ("resourceFileName");
535 if (!File.Exists (resourceFileName) || Directory.Exists (resourceFileName))
536 throw new FileNotFoundException ("File '" + resourceFileName + "' does not exist or is a directory.");
538 throw new NotImplementedException ();
541 public void DefineManifestResource (string name, Stream stream, ResourceAttributes attribute) {
543 throw new ArgumentNullException ("name");
544 if (name == String.Empty)
545 throw new ArgumentException ("name cannot be empty");
547 throw new ArgumentNullException ("stream");
549 throw new InvalidOperationException ("The module is transient");
550 if (!assemblyb.IsSave)
551 throw new InvalidOperationException ("The assembly is transient");
553 if (resources != null) {
554 MonoResource[] new_r = new MonoResource [resources.Length + 1];
555 System.Array.Copy(resources, new_r, resources.Length);
558 resources = new MonoResource [1];
560 int p = resources.Length - 1;
561 resources [p].name = name;
562 resources [p].attrs = attribute;
563 resources [p].stream = stream;
567 public void SetSymCustomAttribute (string name, byte[] data)
569 throw new NotImplementedException ();
573 public void SetUserEntryPoint (MethodInfo entryPoint)
575 if (entryPoint == null)
576 throw new ArgumentNullException ("entryPoint");
577 if (entryPoint.DeclaringType.Module != this)
578 throw new InvalidOperationException ("entryPoint is not contained in this module");
579 throw new NotImplementedException ();
582 public MethodToken GetMethodToken (MethodInfo method)
585 throw new ArgumentNullException ("method");
587 return new MethodToken (GetToken (method));
590 public MethodToken GetMethodToken (MethodInfo method, IEnumerable<Type> optionalParameterTypes)
593 throw new ArgumentNullException ("method");
595 return new MethodToken (GetToken (method, optionalParameterTypes));
598 public MethodToken GetArrayMethodToken (Type arrayClass, string methodName, CallingConventions callingConvention, Type returnType, Type[] parameterTypes)
600 return GetMethodToken (GetArrayMethod (arrayClass, methodName, callingConvention, returnType, parameterTypes));
604 public MethodToken GetConstructorToken (ConstructorInfo con)
607 throw new ArgumentNullException ("con");
609 return new MethodToken (GetToken (con));
612 public MethodToken GetConstructorToken (ConstructorInfo constructor, IEnumerable<Type> optionalParameterTypes)
614 if (constructor == null)
615 throw new ArgumentNullException ("constructor");
617 return new MethodToken (GetToken (constructor, optionalParameterTypes));
620 public FieldToken GetFieldToken (FieldInfo field)
623 throw new ArgumentNullException ("field");
625 return new FieldToken (GetToken (field));
629 public SignatureToken GetSignatureToken (byte[] sigBytes, int sigLength)
631 throw new NotImplementedException ();
634 public SignatureToken GetSignatureToken (SignatureHelper sigHelper)
636 if (sigHelper == null)
637 throw new ArgumentNullException ("sigHelper");
638 return new SignatureToken (GetToken (sigHelper));
641 public StringToken GetStringConstant (string str)
644 throw new ArgumentNullException ("str");
645 return new StringToken (GetToken (str));
648 public TypeToken GetTypeToken (Type type)
651 throw new ArgumentNullException ("type");
653 throw new ArgumentException ("type can't be a byref type", "type");
654 if (!IsTransient () && (type.Module is ModuleBuilder) && ((ModuleBuilder)type.Module).IsTransient ())
655 throw new InvalidOperationException ("a non-transient module can't reference a transient module");
656 return new TypeToken (GetToken (type));
659 public TypeToken GetTypeToken (string name)
661 return GetTypeToken (GetType (name));
664 [MethodImplAttribute(MethodImplOptions.InternalCall)]
665 private static extern int getUSIndex (ModuleBuilder mb, string str);
667 [MethodImplAttribute(MethodImplOptions.InternalCall)]
668 private static extern int getToken (ModuleBuilder mb, object obj, bool create_open_instance);
670 [MethodImplAttribute(MethodImplOptions.InternalCall)]
671 private static extern int getMethodToken (ModuleBuilder mb, MethodBase method,
672 Type[] opt_param_types);
674 internal int GetToken (string str)
677 if (!us_string_cache.TryGetValue (str, out result)) {
678 result = getUSIndex (this, str);
679 us_string_cache [str] = result;
685 static int typeref_tokengen = 0x01ffffff;
686 static int typedef_tokengen = 0x02ffffff;
687 static int typespec_tokengen = 0x1bffffff;
688 static int memberref_tokengen = 0x0affffff;
689 static int methoddef_tokengen = 0x06ffffff;
690 Dictionary<MemberInfo, int> inst_tokens = new Dictionary<MemberInfo, int> ();
691 Dictionary<MemberInfo, int> inst_tokens_open = new Dictionary<MemberInfo, int> ();
694 // Assign a pseudo token to the various TypeBuilderInst objects, so the runtime
695 // doesn't have to deal with them.
696 // For Save assemblies, the tokens will be fixed up later during Save ().
697 // For Run assemblies, the tokens will not be fixed up, so the runtime will
698 // still encounter these objects, it will resolve them by calling their
699 // RuntimeResolve () methods.
701 int GetPseudoToken (MemberInfo member, bool create_open_instance) {
704 if (create_open_instance) {
705 if (inst_tokens_open.TryGetValue (member, out token))
708 if (inst_tokens.TryGetValue (member, out token))
711 // Count backwards to avoid collisions with the tokens
712 // allocated by the runtime
713 if (member is TypeBuilderInstantiation || member is SymbolType)
714 token = typespec_tokengen --;
715 else if (member is FieldOnTypeBuilderInst)
716 token = memberref_tokengen --;
717 else if (member is ConstructorOnTypeBuilderInst)
718 token = memberref_tokengen --;
719 else if (member is MethodOnTypeBuilderInst)
720 token = memberref_tokengen --;
721 else if (member is FieldBuilder)
722 token = memberref_tokengen --;
723 else if (member is TypeBuilder) {
724 if (create_open_instance && (member as TypeBuilder).ContainsGenericParameters)
725 token = typespec_tokengen --;
726 else if (member.Module == this)
727 token = typedef_tokengen --;
729 token = typeref_tokengen --;
730 } else if (member is ConstructorBuilder) {
731 if (member.Module == this && !(member as ConstructorBuilder).TypeBuilder.ContainsGenericParameters)
732 token = methoddef_tokengen --;
734 token = memberref_tokengen --;
735 } else if (member is MethodBuilder) {
736 var mb = member as MethodBuilder;
737 if (member.Module == this && !mb.TypeBuilder.ContainsGenericParameters && !mb.IsGenericMethodDefinition)
738 token = methoddef_tokengen --;
740 token = memberref_tokengen --;
741 } else if (member is GenericTypeParameterBuilder) {
742 token = typespec_tokengen --;
744 throw new NotImplementedException ();
745 if (create_open_instance)
746 inst_tokens_open [member] = token;
748 inst_tokens [member] = token;
749 RegisterToken (member, token);
753 internal int GetToken (MemberInfo member) {
754 if (member is ConstructorBuilder || member is MethodBuilder)
755 return GetPseudoToken (member, false);
756 return getToken (this, member, true);
759 internal int GetToken (MemberInfo member, bool create_open_instance) {
760 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)
761 return GetPseudoToken (member, create_open_instance);
762 return getToken (this, member, create_open_instance);
765 internal int GetToken (MethodBase method, IEnumerable<Type> opt_param_types) {
766 if (method is ConstructorBuilder || method is MethodBuilder)
767 return GetPseudoToken (method, false);
769 if (opt_param_types == null)
770 return getToken (this, method, true);
772 var optParamTypes = new List<Type> (opt_param_types);
773 return getMethodToken (this, method, optParamTypes.ToArray ());
776 internal int GetToken (MethodBase method, Type[] opt_param_types) {
777 if (method is ConstructorBuilder || method is MethodBuilder)
778 return GetPseudoToken (method, false);
779 return getMethodToken (this, method, opt_param_types);
782 internal int GetToken (SignatureHelper helper) {
783 return getToken (this, helper, true);
787 * Register the token->obj mapping with the runtime so the Module.Resolve...
788 * methods will work for obj.
790 [MethodImplAttribute(MethodImplOptions.InternalCall)]
791 internal extern void RegisterToken (object obj, int token);
794 * Returns MemberInfo registered with the given token.
796 [MethodImplAttribute(MethodImplOptions.InternalCall)]
797 internal extern object GetRegisteredToken (int token);
799 internal TokenGenerator GetTokenGenerator () {
800 if (token_gen == null)
801 token_gen = new ModuleBuilderTokenGenerator (this);
805 // Called from the runtime to return the corresponding finished reflection object
806 internal static object RuntimeResolve (object obj) {
807 if (obj is MethodBuilder)
808 return (obj as MethodBuilder).RuntimeResolve ();
809 if (obj is ConstructorBuilder)
810 return (obj as ConstructorBuilder).RuntimeResolve ();
811 if (obj is FieldBuilder)
812 return (obj as FieldBuilder).RuntimeResolve ();
813 if (obj is GenericTypeParameterBuilder)
814 return (obj as GenericTypeParameterBuilder).RuntimeResolve ();
815 if (obj is FieldOnTypeBuilderInst)
816 return (obj as FieldOnTypeBuilderInst).RuntimeResolve ();
817 if (obj is MethodOnTypeBuilderInst)
818 return (obj as MethodOnTypeBuilderInst).RuntimeResolve ();
819 if (obj is ConstructorOnTypeBuilderInst)
820 return (obj as ConstructorOnTypeBuilderInst).RuntimeResolve ();
822 return (obj as Type).RuntimeResolve ();
823 throw new NotImplementedException (obj.GetType ().FullName);
826 [MethodImplAttribute(MethodImplOptions.InternalCall)]
827 private static extern void build_metadata (ModuleBuilder mb);
829 [MethodImplAttribute(MethodImplOptions.InternalCall)]
830 private extern void WriteToFile (IntPtr handle);
832 void FixupTokens (Dictionary<int, int> token_map, Dictionary<int, MemberInfo> member_map, Dictionary<MemberInfo, int> inst_tokens,
834 foreach (var v in inst_tokens) {
836 var old_token = v.Value;
837 MemberInfo finished = null;
839 // Construct the concrete reflection object corresponding to the
840 // TypeBuilderInst object, and request a token for it instead.
841 if (member is TypeBuilderInstantiation || member is SymbolType) {
842 finished = (member as Type).RuntimeResolve ();
843 } else if (member is FieldOnTypeBuilderInst) {
844 finished = (member as FieldOnTypeBuilderInst).RuntimeResolve ();
845 } else if (member is ConstructorOnTypeBuilderInst) {
846 finished = (member as ConstructorOnTypeBuilderInst).RuntimeResolve ();
847 } else if (member is MethodOnTypeBuilderInst) {
848 finished = (member as MethodOnTypeBuilderInst).RuntimeResolve ();
849 } else if (member is FieldBuilder) {
850 finished = (member as FieldBuilder).RuntimeResolve ();
851 } else if (member is TypeBuilder) {
852 finished = (member as TypeBuilder).RuntimeResolve ();
853 } else if (member is ConstructorBuilder) {
854 finished = (member as ConstructorBuilder).RuntimeResolve ();
855 } else if (member is MethodBuilder) {
856 finished = (member as MethodBuilder).RuntimeResolve ();
857 } else if (member is GenericTypeParameterBuilder) {
858 finished = (member as GenericTypeParameterBuilder).RuntimeResolve ();
860 throw new NotImplementedException ();
863 int new_token = GetToken (finished, open);
864 token_map [old_token] = new_token;
865 member_map [old_token] = finished;
866 // Replace the token mapping in the runtime so it points to the new object
867 RegisterToken (finished, old_token);
872 // Fixup the pseudo tokens assigned to the various SRE objects
874 void FixupTokens () {
875 var token_map = new Dictionary<int, int> ();
876 var member_map = new Dictionary<int, MemberInfo> ();
877 FixupTokens (token_map, member_map, inst_tokens, false);
878 FixupTokens (token_map, member_map, inst_tokens_open, true);
880 // Replace the tokens in the IL stream
882 for (int i = 0; i < num_types; ++i)
883 types [i].FixupTokens (token_map, member_map);
887 internal void Save ()
889 if (transient && !is_main)
893 for (int i = 0; i < num_types; ++i)
894 if (!types [i].is_created)
895 throw new NotSupportedException ("Type '" + types [i].FullName + "' was not completed.");
900 if ((global_type != null) && (global_type_created == null))
901 global_type_created = global_type.CreateType ();
903 if (resources != null) {
904 for (int i = 0; i < resources.Length; ++i) {
905 IResourceWriter rwriter;
906 if (resource_writers != null && (rwriter = resource_writers [resources [i].name] as IResourceWriter) != null) {
907 ResourceWriter writer = (ResourceWriter)rwriter;
909 MemoryStream mstream = (MemoryStream)writer._output;
910 resources [i].data = new byte [mstream.Length];
911 mstream.Seek (0, SeekOrigin.Begin);
912 mstream.Read (resources [i].data, 0, (int)mstream.Length);
915 Stream stream = resources [i].stream;
917 // According to MSDN docs, the stream is read during assembly save, not earlier
918 if (stream != null) {
920 long len = stream.Length;
921 resources [i].data = new byte [len];
922 stream.Seek (0, SeekOrigin.Begin);
923 stream.Read (resources [i].data, 0, (int)len);
931 build_metadata (this);
933 string fileName = fqname;
934 if (assemblyb.AssemblyDir != null)
935 fileName = Path.Combine (assemblyb.AssemblyDir, fileName);
938 // We mmap the file, so unlink the previous version since it may be in use
939 File.Delete (fileName);
941 // We can safely ignore
943 using (FileStream file = new FileStream (fileName, FileMode.Create, FileAccess.Write))
944 WriteToFile (file.Handle);
947 // The constant 0x80000000 is internal to Mono, it means `make executable'
949 File.SetAttributes (fileName, (FileAttributes) (unchecked ((int) 0x80000000)));
951 if (types != null && symbolWriter != null) {
952 for (int i = 0; i < num_types; ++i)
953 types [i].GenerateDebugInfo (symbolWriter);
954 symbolWriter.Close ();
958 internal string FileName {
964 internal bool IsMain {
970 internal void CreateGlobalType () {
971 if (global_type == null)
972 global_type = new TypeBuilder (this, 0, 1);
975 internal override Guid GetModuleVersionId ()
977 return new Guid (guid);
980 // Used by mcs, the symbol writer, and mdb through reflection
981 internal static Guid Mono_GetGuid (ModuleBuilder mb)
983 return mb.GetModuleVersionId ();
986 void _ModuleBuilder.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
988 throw new NotImplementedException ();
991 void _ModuleBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
993 throw new NotImplementedException ();
996 void _ModuleBuilder.GetTypeInfoCount (out uint pcTInfo)
998 throw new NotImplementedException ();
1001 void _ModuleBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
1003 throw new NotImplementedException ();
1006 public override Assembly Assembly {
1007 get { return assemblyb; }
1010 public override string Name {
1011 get { return name; }
1014 public override string ScopeName {
1015 get { return name; }
1018 public override Guid ModuleVersionId {
1020 return GetModuleVersionId ();
1024 //XXX resource modules can't be defined with ModuleBuilder
1025 public override bool IsResource ()
1030 protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
1032 if (global_type_created == null)
1035 return global_type_created.GetMethod (name);
1036 return global_type_created.GetMethod (name, bindingAttr, binder, callConvention, types, modifiers);
1039 public override FieldInfo ResolveField (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
1040 ResolveTokenError error;
1042 IntPtr handle = ResolveFieldToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1043 if (handle == IntPtr.Zero)
1044 throw resolve_token_exception (metadataToken, error, "Field");
1046 return FieldInfo.GetFieldFromHandle (new RuntimeFieldHandle (handle));
1049 public override MemberInfo ResolveMember (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
1051 ResolveTokenError error;
1053 MemberInfo m = ResolveMemberToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1055 throw resolve_token_exception (metadataToken, error, "MemberInfo");
1060 internal MemberInfo ResolveOrGetRegisteredToken (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments)
1062 ResolveTokenError error;
1063 MemberInfo m = ResolveMemberToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1067 m = GetRegisteredToken (metadataToken) as MemberInfo;
1069 throw resolve_token_exception (metadataToken, error, "MemberInfo");
1074 public override MethodBase ResolveMethod (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
1075 ResolveTokenError error;
1077 IntPtr handle = ResolveMethodToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1078 if (handle == IntPtr.Zero)
1079 throw resolve_token_exception (metadataToken, error, "MethodBase");
1081 return MethodBase.GetMethodFromHandleNoGenericCheck (new RuntimeMethodHandle (handle));
1084 public override string ResolveString (int metadataToken) {
1085 ResolveTokenError error;
1087 string s = ResolveStringToken (_impl, metadataToken, out error);
1089 throw resolve_token_exception (metadataToken, error, "string");
1094 public override byte[] ResolveSignature (int metadataToken) {
1095 ResolveTokenError error;
1097 byte[] res = ResolveSignature (_impl, metadataToken, out error);
1099 throw resolve_token_exception (metadataToken, error, "signature");
1104 public override Type ResolveType (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
1105 ResolveTokenError error;
1107 IntPtr handle = ResolveTypeToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
1108 if (handle == IntPtr.Zero)
1109 throw resolve_token_exception (metadataToken, error, "Type");
1111 return Type.GetTypeFromHandle (new RuntimeTypeHandle (handle));
1114 public override bool Equals (object obj)
1116 return base.Equals (obj);
1119 public override int GetHashCode ()
1121 return base.GetHashCode ();
1124 public override bool IsDefined (Type attributeType, bool inherit)
1126 return base.IsDefined (attributeType, inherit);
1129 public override object[] GetCustomAttributes (bool inherit)
1131 return base.GetCustomAttributes (inherit);
1134 public override object[] GetCustomAttributes (Type attributeType, bool inherit)
1136 return base.GetCustomAttributes (attributeType, inherit);
1139 public override FieldInfo GetField (string name, BindingFlags bindingAttr)
1141 return base.GetField (name, bindingAttr);
1144 public override FieldInfo[] GetFields (BindingFlags bindingFlags)
1146 return base.GetFields (bindingFlags);
1149 public override MethodInfo[] GetMethods (BindingFlags bindingFlags)
1151 return base.GetMethods (bindingFlags);
1154 public override int MetadataToken {
1156 return base.MetadataToken;
1161 internal class ModuleBuilderTokenGenerator : TokenGenerator {
1163 private ModuleBuilder mb;
1165 public ModuleBuilderTokenGenerator (ModuleBuilder mb) {
1169 public int GetToken (string str) {
1170 return mb.GetToken (str);
1173 public int GetToken (MemberInfo member, bool create_open_instance) {
1174 return mb.GetToken (member, create_open_instance);
1177 public int GetToken (MethodBase method, Type[] opt_param_types) {
1178 return mb.GetToken (method, opt_param_types);
1181 public int GetToken (SignatureHelper helper) {
1182 return mb.GetToken (helper);