class/corlib/System.Reflection/Module.cs

   1 //
   2 // System.Reflection/Module.cs
   3 //
   4 // Author:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //
   7 // (C) 2001 Ximian, Inc.  http://www.ximian.com
   8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
   9 //
  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:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  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.
  28 //
  29
  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;
  36 using System.Collections.Generic;
  37
  38 namespace System.Reflection {
  39
  40         internal enum ResolveTokenError {
  41                 OutOfRange,
  42                 BadTable,
  43                 Other
  44         };
  45
  46         [ComVisible (true)]
  47         [ComDefaultInterfaceAttribute (typeof (_Module))]
  48         [Serializable]
  49         [ClassInterfaceAttribute (ClassInterfaceType.None)]
  50
  51 #if NET_4_0
  52         public abstract class Module : ISerializable, ICustomAttributeProvider, _Module {
  53 #else
  54         public partial class Module : ISerializable, ICustomAttributeProvider, _Module {
  55 #endif
  56                 public static readonly TypeFilter FilterTypeName;
  57                 public static readonly TypeFilter FilterTypeNameIgnoreCase;
  58
  59 #pragma warning disable 649
  60                 internal IntPtr _impl; /* a pointer to a MonoImage */
  61                 internal Assembly assembly;
  62                 internal string fqname;
  63                 internal string name;
  64                 internal string scopename;
  65                 internal bool is_resource;
  66                 internal int token;
  67 #pragma warning restore 649
  68
  69                 const BindingFlags defaultBindingFlags =
  70                         BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance;
  71
  72                 static Module () {
  73                         FilterTypeName = new TypeFilter (filter_by_type_name);
  74                         FilterTypeNameIgnoreCase = new TypeFilter (filter_by_type_name_ignore_case);
  75                 }
  76
  77
  78 #if NET_4_0
  79                 protected
  80 #else
  81                 internal
  82 #endif
  83                 Module () {
  84                 }
  85
  86                 public ModuleHandle ModuleHandle {
  87                         get {
  88                                 return new ModuleHandle (_impl);
  89                         }
  90                 }
  91
  92                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  93                 internal static extern int get_MetadataToken (Module module);
  94
  95                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
  96                 internal static extern int GetMDStreamVersion (IntPtr module_handle);
  97
  98                 public FieldInfo GetField (string name)
  99                 {
 100                         return GetField (name, BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
 101                 }
 102
 103                 public FieldInfo[] GetFields ()
 104                 {
 105                         return GetFields (BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
 106                 }
 107
 108                 public MethodInfo GetMethod (string name)
 109                 {
 110                         return GetMethodImpl (name, defaultBindingFlags, null, CallingConventions.Any, null, null);
 111                 }
 112
 113                 public MethodInfo GetMethod (string name, Type[] types)
 114                 {
 115                         if (types == null)
 116                                 throw new ArgumentNullException ("types");
 117                         return GetMethodImpl (name, defaultBindingFlags, null, CallingConventions.Any, types, null);
 118                 }
 119
 120                 public MethodInfo GetMethod (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
 121                 {
 122                         if (types == null)
 123                                 throw new ArgumentNullException ("types");
 124                         return GetMethodImpl (name, bindingAttr, binder, callConvention, types, modifiers);
 125                 }
 126
 127                 public MethodInfo[] GetMethods ()
 128                 {
 129                         return GetMethods (BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
 130                 }
 131
 132                 [SecurityPermission (SecurityAction.LinkDemand, SerializationFormatter = true)]
 133                 public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
 134                 {
 135                         if (info == null)
 136                                 throw new ArgumentNullException ("info");
 137
 138                         UnitySerializationHolder.GetModuleData (this, info, context);
 139                 }
 140
 141                 [ComVisible (true)]
 142                 public virtual Type GetType(string className)
 143                 {
 144                         return GetType (className, false, false);
 145                 }
 146
 147                 [ComVisible (true)]
 148                 public virtual Type GetType(string className, bool ignoreCase)
 149                 {
 150                         return GetType (className, false, ignoreCase);
 151                 }
 152
 153                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 154                 internal extern Type[] InternalGetTypes ();
 155
 156                 public override string ToString ()
 157                 {
 158                         return name;
 159                 }
 160
 161                 internal Guid MvId {
 162                         get {
 163                                 return GetModuleVersionId ();
 164                         }
 165                 }
 166
 167                 internal Exception resolve_token_exception (int metadataToken, ResolveTokenError error, string tokenType) {
 168                         if (error == ResolveTokenError.OutOfRange)
 169                                 return new ArgumentOutOfRangeException ("metadataToken", String.Format ("Token 0x{0:x} is not valid in the scope of module {1}", metadataToken, name));
 170                         else
 171                                 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");
 172                 }
 173
 174                 internal IntPtr[] ptrs_from_types (Type[] types) {
 175                         if (types == null)
 176                                 return null;
 177                         else {
 178                                 IntPtr[] res = new IntPtr [types.Length];
 179                                 for (int i = 0; i < types.Length; ++i) {
 180                                         if (types [i] == null)
 181                                                 throw new ArgumentException ();
 182                                         res [i] = types [i].TypeHandle.Value;
 183                                 }
 184                                 return res;
 185                         }
 186                 }
 187
 188                 public FieldInfo ResolveField (int metadataToken) {
 189                         return ResolveField (metadataToken, null, null);
 190                 }
 191
 192                 public MemberInfo ResolveMember (int metadataToken) {
 193                         return ResolveMember (metadataToken, null, null);
 194                 }
 195
 196                 public MethodBase ResolveMethod (int metadataToken) {
 197                         return ResolveMethod (metadataToken, null, null);
 198                 }
 199
 200                 public Type ResolveType (int metadataToken) {
 201                         return ResolveType (metadataToken, null, null);
 202                 }
 203
 204                 internal static Type MonoDebugger_ResolveType (Module module, int token)
 205                 {
 206                         ResolveTokenError error;
 207
 208                         IntPtr handle = ResolveTypeToken (module._impl, token, null, null, out error);
 209                         if (handle == IntPtr.Zero)
 210                                 return null;
 211                         else
 212                                 return Type.GetTypeFromHandle (new RuntimeTypeHandle (handle));
 213                 }
 214
 215                 // Used by mcs, the symbol writer, and mdb through reflection
 216                 internal static Guid Mono_GetGuid (Module module)
 217                 {
 218                         return module.GetModuleVersionId ();
 219                 }
 220
 221                 internal virtual Guid GetModuleVersionId ()
 222                 {
 223                         return new Guid (GetGuidInternal ());
 224                 }
 225
 226                 private static bool filter_by_type_name (Type m, object filterCriteria) {
 227                         string s = (string)filterCriteria;
 228                         if (s.EndsWith ("*"))
 229                                 return m.Name.StartsWith (s.Substring (0, s.Length - 1));
 230                         else
 231                                 return m.Name == s;
 232                 }
 233
 234                 private static bool filter_by_type_name_ignore_case (Type m, object filterCriteria) {
 235                         string s = (string)filterCriteria;
 236                         if (s.EndsWith ("*"))
 237                                 return m.Name.ToLower ().StartsWith (s.Substring (0, s.Length - 1).ToLower ());
 238                         else
 239                                 return String.Compare (m.Name, s, true) == 0;
 240                 }
 241
 242                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 243                 internal extern IntPtr GetHINSTANCE ();
 244
 245                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 246                 private extern string GetGuidInternal ();
 247
 248                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 249                 internal extern Type GetGlobalType ();
 250
 251                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 252                 internal static extern IntPtr ResolveTypeToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
 253
 254                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 255                 internal static extern IntPtr ResolveMethodToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
 256
 257                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 258                 internal static extern IntPtr ResolveFieldToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
 259
 260                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 261                 internal static extern string ResolveStringToken (IntPtr module, int token, out ResolveTokenError error);
 262
 263                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 264                 internal static extern MemberInfo ResolveMemberToken (IntPtr module, int token, IntPtr[] type_args, IntPtr[] method_args, out ResolveTokenError error);
 265
 266                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 267                 internal static extern byte[] ResolveSignature (IntPtr module, int metadataToken, out ResolveTokenError error);
 268
 269                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 270                 internal static extern void GetPEKind (IntPtr module, out PortableExecutableKinds peKind, out ImageFileMachine machine);
 271
 272                 void _Module.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
 273                 {
 274                         throw new NotImplementedException ();
 275                 }
 276
 277                 void _Module.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
 278                 {
 279                         throw new NotImplementedException ();
 280                 }
 281
 282                 void _Module.GetTypeInfoCount (out uint pcTInfo)
 283                 {
 284                         throw new NotImplementedException ();
 285                 }
 286
 287                 void _Module.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams,
 288                         IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
 289                 {
 290                         throw new NotImplementedException ();
 291                 }
 292
 293 #if NET_4_0
 294
 295                 public virtual Assembly Assembly {
 296                         get { throw CreateNIE (); }
 297                 }
 298
 299                 public virtual string Name {
 300                         get { throw CreateNIE (); }
 301                 }
 302
 303                 public virtual string ScopeName {
 304                         get { throw CreateNIE (); }
 305                 }
 306
 307                 public virtual int MDStreamVersion {
 308                         get { throw CreateNIE (); }
 309                 }
 310
 311                 public virtual Guid ModuleVersionId {
 312                         get { throw CreateNIE (); }
 313                 }
 314
 315                 public virtual string FullyQualifiedName {
 316                         get { throw CreateNIE (); }
 317                 }
 318
 319                 public virtual int MetadataToken {
 320                         get { throw CreateNIE (); }
 321                 }
 322
 323                 static Exception CreateNIE ()
 324                 {
 325                         return new NotImplementedException ("Derived classes must implement it");
 326                 }
 327
 328                 public virtual bool IsResource()
 329                 {
 330                         throw CreateNIE ();
 331                 }
 332
 333                 public virtual Type[] FindTypes(TypeFilter filter, object filterCriteria)
 334                 {
 335                         throw CreateNIE ();
 336                 }
 337
 338                 public virtual object[] GetCustomAttributes(bool inherit)
 339                 {
 340                         throw CreateNIE ();
 341                 }
 342
 343                 public virtual object[] GetCustomAttributes(Type attributeType, bool inherit)
 344                 {
 345                         throw CreateNIE ();
 346                 }
 347
 348                 public virtual IList<CustomAttributeData> GetCustomAttributesData ()
 349                 {
 350                         throw CreateNIE ();
 351                 }
 352
 353                 public virtual FieldInfo GetField (string name, BindingFlags bindingAttr)
 354                 {
 355                         throw CreateNIE ();
 356                 }
 357
 358                 public virtual FieldInfo[] GetFields (BindingFlags bindingFlags)
 359                 {
 360                         throw CreateNIE ();
 361                 }
 362
 363                 protected virtual MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers)
 364                 {
 365                         throw CreateNIE ();
 366                 }
 367
 368                 public virtual MethodInfo[] GetMethods (BindingFlags bindingFlags)
 369                 {
 370                         throw CreateNIE ();
 371                 }
 372
 373                 public virtual void GetPEKind (out PortableExecutableKinds peKind, out ImageFileMachine machine)
 374                 {
 375                         throw CreateNIE ();
 376                 }
 377
 378                 [ComVisible (true)]
 379                 public virtual Type GetType(string className, bool throwOnError, bool ignoreCase)
 380                 {
 381                         throw CreateNIE ();
 382                 }
 383
 384                 public virtual bool IsDefined (Type attributeType, bool inherit)
 385                 {
 386                         throw CreateNIE ();
 387                 }
 388
 389                 public virtual FieldInfo ResolveField (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments)
 390                 {
 391                         throw CreateNIE ();
 392                 }
 393
 394                 public virtual MemberInfo ResolveMember (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments)
 395                 {
 396                         throw CreateNIE ();
 397                 }
 398
 399                 public virtual MethodBase ResolveMethod (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments)
 400                 {
 401                         throw CreateNIE ();
 402                 }
 403
 404                 public virtual byte[] ResolveSignature (int metadataToken)
 405                 {
 406                         throw CreateNIE ();
 407                 }
 408
 409                 public virtual string ResolveString (int metadataToken)
 410                 {
 411                         throw CreateNIE ();
 412                 }
 413
 414                 public virtual Type ResolveType (int metadataToken, Type [] genericTypeArguments, Type [] genericMethodArguments)
 415                 {
 416                         throw CreateNIE ();
 417                 }
 418
 419                 public virtual X509Certificate GetSignerCertificate ()
 420                 {
 421                         throw CreateNIE ();
 422                 }
 423
 424                 public virtual Type[] GetTypes()
 425                 {
 426                         throw CreateNIE ();
 427                 }
 428 #endif
 429
 430         }
 431 }