2 // System.Reflection/Module.cs
5 // Paolo Molaro (lupus@ximian.com)
7 // (C) 2001 Ximian, Inc. http://www.ximian.com
8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System.Runtime.Serialization;
31 using System.Security.Cryptography.X509Certificates;
32 using System.Runtime.InteropServices;
33 using System.Runtime.CompilerServices;
34 using System.Security;
35 using System.Security.Permissions;
37 namespace System.Reflection {
39 internal enum ResolveTokenError {
47 [ComDefaultInterfaceAttribute (typeof (_Module))]
50 [ClassInterfaceAttribute (ClassInterfaceType.None)]
51 public class Module : ISerializable, ICustomAttributeProvider, _Module {
53 public static readonly TypeFilter FilterTypeName;
54 public static readonly TypeFilter FilterTypeNameIgnoreCase;
56 private IntPtr _impl; /* a pointer to a MonoImage */
57 internal Assembly assembly;
58 internal string fqname;
60 internal string scopename;
61 internal bool is_resource;
64 const BindingFlags defaultBindingFlags =
65 BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance;
68 FilterTypeName = new TypeFilter (filter_by_type_name);
69 FilterTypeNameIgnoreCase = new TypeFilter (filter_by_type_name_ignore_case);
75 public Assembly Assembly {
76 get { return assembly; }
79 public virtual string FullyQualifiedName {
81 if (SecurityManager.SecurityEnabled) {
82 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, fqname).Demand ();
88 // Note: we do not ask for PathDiscovery because no path is returned here.
89 // However MS Fx requires it (see FDBK23572 for details).
94 public string ScopeName {
95 get { return scopename; }
99 public ModuleHandle ModuleHandle {
101 return new ModuleHandle (_impl);
105 public extern int MetadataToken {
106 [MethodImplAttribute (MethodImplOptions.InternalCall)]
110 public int MDStreamVersion {
112 if (_impl == IntPtr.Zero)
113 throw new NotSupportedException ();
114 return GetMDStreamVersion (_impl);
118 [MethodImplAttribute (MethodImplOptions.InternalCall)]
119 internal static extern int GetMDStreamVersion (IntPtr module_handle);
122 public virtual Type[] FindTypes(TypeFilter filter, object filterCriteria)
124 System.Collections.ArrayList filtered = new System.Collections.ArrayList ();
125 Type[] types = GetTypes ();
126 foreach (Type t in types)
127 if (filter (t, filterCriteria))
129 return (Type[])filtered.ToArray (typeof(Type));
132 public virtual object[] GetCustomAttributes(bool inherit)
134 return MonoCustomAttrs.GetCustomAttributes (this, inherit);
137 public virtual object[] GetCustomAttributes(Type attributeType, bool inherit)
139 return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
142 public FieldInfo GetField (string name)
147 Type globalType = GetGlobalType ();
148 return (globalType != null) ? globalType.GetField (name, BindingFlags.Public | BindingFlags.Static) : null;
151 public FieldInfo GetField (string name, BindingFlags bindingAttr)
156 Type globalType = GetGlobalType ();
157 return (globalType != null) ? globalType.GetField (name, bindingAttr) : null;
160 public FieldInfo[] GetFields ()
163 return new FieldInfo [0];
165 Type globalType = GetGlobalType ();
166 return (globalType != null) ? globalType.GetFields (BindingFlags.Public | BindingFlags.Static) : new FieldInfo [0];
169 public MethodInfo GetMethod (string name)
171 // Can't call the other overloads since they call Type.GetMethod () which does a null check on the 'types' array
175 Type globalType = GetGlobalType ();
176 return (globalType != null) ? globalType.GetMethod (name) : null;
179 public MethodInfo GetMethod (string name, Type[] types)
181 return GetMethodImpl (name, defaultBindingFlags, null, CallingConventions.Any, types, null);
184 public MethodInfo GetMethod (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
186 return GetMethodImpl (name, bindingAttr, binder, callConvention, types, modifiers);
189 protected virtual MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
194 Type globalType = GetGlobalType ();
195 return (globalType != null) ? globalType.GetMethod (name, bindingAttr, binder, callConvention, types, modifiers) : null;
198 public MethodInfo[] GetMethods ()
201 return new MethodInfo [0];
203 Type globalType = GetGlobalType ();
204 return (globalType != null) ? globalType.GetMethods () : new MethodInfo [0];
208 public MethodInfo[] GetMethods (BindingFlags bindingFlags) {
210 return new MethodInfo [0];
212 Type globalType = GetGlobalType ();
213 return (globalType != null) ? globalType.GetMethods (bindingFlags) : new MethodInfo [0];
216 public FieldInfo[] GetFields (BindingFlags bindingFlags)
219 return new FieldInfo [0];
221 Type globalType = GetGlobalType ();
222 return (globalType != null) ? globalType.GetFields (bindingFlags) : new FieldInfo [0];
226 [SecurityPermission (SecurityAction.LinkDemand, SerializationFormatter = true)]
227 public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
230 throw new ArgumentNullException ("info");
232 UnitySerializationHolder.GetModuleData (this, info, context);
235 public X509Certificate GetSignerCertificate ()
238 return X509Certificate.CreateFromSignedFile (assembly.Location);
248 public virtual Type GetType(string className)
250 return GetType (className, false, false);
256 public virtual Type GetType(string className, bool ignoreCase)
258 return GetType (className, false, ignoreCase);
264 public virtual Type GetType(string className, bool throwOnError, bool ignoreCase)
266 if (className == null)
267 throw new ArgumentNullException ("className");
268 if (className == String.Empty)
269 throw new ArgumentException ("Type name can't be empty");
270 return assembly.InternalGetType (this, className, throwOnError, ignoreCase);
273 [MethodImplAttribute (MethodImplOptions.InternalCall)]
274 private extern Type[] InternalGetTypes ();
276 public virtual Type[] GetTypes()
278 return InternalGetTypes ();
281 public virtual bool IsDefined (Type attributeType, bool inherit)
283 return MonoCustomAttrs.IsDefined (this, attributeType, inherit);
286 public bool IsResource()
291 public override string ToString ()
298 return Mono_GetGuid (this);
303 public Guid ModuleVersionId {
305 return Mono_GetGuid (this);
309 public void GetPEKind (out PortableExecutableKinds peKind, out ImageFileMachine machine) {
310 ModuleHandle.GetPEKind (out peKind, out machine);
316 private Exception resolve_token_exception (int metadataToken, ResolveTokenError error, string tokenType) {
317 if (error == ResolveTokenError.OutOfRange)
318 return new ArgumentOutOfRangeException ("metadataToken", String.Format ("Token 0x{0:x} is not valid in the scope of module {1}", metadataToken, name));
320 return new ArgumentException (String.Format ("Token 0x{0:x} is not a valid {1} token in the scope of module {2}", metadataToken, tokenType, name), "metadataToken");
323 private IntPtr[] ptrs_from_types (Type[] types) {
327 IntPtr[] res = new IntPtr [types.Length];
328 for (int i = 0; i < types.Length; ++i) {
329 if (types [i] == null)
330 throw new ArgumentException ();
331 res [i] = types [i].TypeHandle.Value;
337 public FieldInfo ResolveField (int metadataToken) {
338 return ResolveField (metadataToken, null, null);
341 public FieldInfo ResolveField (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
342 ResolveTokenError error;
344 IntPtr handle = ResolveFieldToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
345 if (handle == IntPtr.Zero)
346 throw resolve_token_exception (metadataToken, error, "Field");
348 return FieldInfo.GetFieldFromHandle (new RuntimeFieldHandle (handle));
351 public MemberInfo ResolveMember (int metadataToken) {
352 return ResolveMember (metadataToken, null, null);
355 public MemberInfo ResolveMember (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
357 ResolveTokenError error;
359 MemberInfo m = ResolveMemberToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
361 throw resolve_token_exception (metadataToken, error, "MemberInfo");
366 public MethodBase ResolveMethod (int metadataToken) {
367 return ResolveMethod (metadataToken, null, null);
370 public MethodBase ResolveMethod (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
371 ResolveTokenError error;
373 IntPtr handle = ResolveMethodToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
374 if (handle == IntPtr.Zero)
375 throw resolve_token_exception (metadataToken, error, "MethodBase");
377 return MethodBase.GetMethodFromHandle (new RuntimeMethodHandle (handle));
380 public string ResolveString (int metadataToken) {
381 ResolveTokenError error;
383 string s = ResolveStringToken (_impl, metadataToken, out error);
385 throw resolve_token_exception (metadataToken, error, "string");
390 public Type ResolveType (int metadataToken) {
391 return ResolveType (metadataToken, null, null);
394 public Type ResolveType (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments) {
395 ResolveTokenError error;
397 IntPtr handle = ResolveTypeToken (_impl, metadataToken, ptrs_from_types (genericTypeArguments), ptrs_from_types (genericMethodArguments), out error);
398 if (handle == IntPtr.Zero)
399 throw resolve_token_exception (metadataToken, error, "Type");
401 return Type.GetTypeFromHandle (new RuntimeTypeHandle (handle));
404 public byte[] ResolveSignature (int metadataToken) {
405 ResolveTokenError error;
407 byte[] res = ResolveSignature (_impl, metadataToken, out error);
409 throw resolve_token_exception (metadataToken, error, "signature");
415 internal static Type MonoDebugger_ResolveType (Module module, int token)
417 ResolveTokenError error;
419 IntPtr handle = ResolveTypeToken (module._impl, token, null, null, out error);
420 if (handle == IntPtr.Zero)
423 return Type.GetTypeFromHandle (new RuntimeTypeHandle (handle));
426 // Mono Extension: returns the GUID of this module
427 internal static Guid Mono_GetGuid (Module module)
429 return new Guid (module.GetGuidInternal ());
432 private static bool filter_by_type_name (Type m, object filterCriteria) {
433 string s = (string)filterCriteria;
434 if (s.EndsWith ("*"))
435 return m.Name.StartsWith (s.Substring (0, s.Length - 1));
440 private static bool filter_by_type_name_ignore_case (Type m, object filterCriteria) {
441 string s = (string)filterCriteria;
442 if (s.EndsWith ("*"))
443 return m.Name.ToLower ().StartsWith (s.Substring (0, s.Length - 1).ToLower ());
445 return String.Compare (m.Name, s, true) == 0;
448 [MethodImplAttribute (MethodImplOptions.InternalCall)]
449 private extern string GetGuidInternal ();
451 [MethodImplAttribute (MethodImplOptions.InternalCall)]
452 private extern Type GetGlobalType ();
454 [MethodImplAttribute (MethodImplOptions.InternalCall)]
455 internal static extern IntPtr ResolveTypeToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
457 [MethodImplAttribute (MethodImplOptions.InternalCall)]
458 internal static extern IntPtr ResolveMethodToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
460 [MethodImplAttribute (MethodImplOptions.InternalCall)]
461 internal static extern IntPtr ResolveFieldToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
463 [MethodImplAttribute (MethodImplOptions.InternalCall)]
464 internal static extern string ResolveStringToken (IntPtr module, int token, out ResolveTokenError error);
466 [MethodImplAttribute (MethodImplOptions.InternalCall)]
467 internal static extern MemberInfo ResolveMemberToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
469 [MethodImplAttribute (MethodImplOptions.InternalCall)]
470 internal static extern byte[] ResolveSignature (IntPtr module, int metadataToken, out ResolveTokenError error);
472 [MethodImplAttribute (MethodImplOptions.InternalCall)]
473 internal static extern void GetPEKind (IntPtr module, out PortableExecutableKinds peKind, out ImageFileMachine machine);
476 void _Module.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
478 throw new NotImplementedException ();
481 void _Module.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
483 throw new NotImplementedException ();
486 void _Module.GetTypeInfoCount (out uint pcTInfo)
488 throw new NotImplementedException ();
491 void _Module.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams,
492 IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
494 throw new NotImplementedException ();