mcs/class/corlib/System.Reflection/MonoAssembly.cs

   1 //
   2 // System.Reflection/MonoAssembly.cs
   3 //
   4 // Author:
   5 //   Rodrigo Kumpera (rkumpera@novell.com)
   6 //
   7 // Copyright (C) 2010 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Collections;
  31 using System.Globalization;
  32 using System.Runtime.InteropServices;
  33 #if !FULL_AOT_RUNTIME
  34 using System.Reflection.Emit;
  35 #endif
  36 using System.Collections.Generic;
  37 using System.Runtime.Serialization;
  38 using System.Threading;
  39 using System.Diagnostics.Contracts;
  40 using System.Security.Policy;
  41 using System.Security.Permissions;
  42
  43 namespace System.Reflection {
  44
  45         abstract class RuntimeAssembly : Assembly
  46         {
  47                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
  48                 {
  49                         if (info == null)
  50                                 throw new ArgumentNullException ("info");
  51
  52                         UnitySerializationHolder.GetUnitySerializationInfo (info,
  53                                                                UnitySerializationHolder.AssemblyUnity,
  54                                                                this.FullName,
  55                                                                this);
  56                 }
  57
  58                 internal static RuntimeAssembly GetExecutingAssembly (ref StackCrawlMark stackMark)
  59                 {
  60                         // Mono runtime does not support StackCrawlMark, The easiest workaround is to replace use
  61                         // of StackCrawlMark.LookForMyCaller with GetCallingAssembly
  62                         throw new NotSupportedException ();
  63                 }
  64
  65         // Creates AssemblyName. Fills assembly if AssemblyResolve event has been raised.
  66         [System.Security.SecurityCritical]  // auto-generated
  67         internal static AssemblyName CreateAssemblyName(
  68             String assemblyString,
  69             bool forIntrospection,
  70             out RuntimeAssembly assemblyFromResolveEvent)
  71         {
  72             if (assemblyString == null)
  73                 throw new ArgumentNullException("assemblyString");
  74             Contract.EndContractBlock();
  75
  76             if ((assemblyString.Length == 0) ||
  77                 (assemblyString[0] == '\0'))
  78                 throw new ArgumentException(Environment.GetResourceString("Format_StringZeroLength"));
  79
  80             if (forIntrospection)
  81                 AppDomain.CheckReflectionOnlyLoadSupported();
  82
  83             AssemblyName an = new AssemblyName();
  84
  85             an.Name = assemblyString;
  86             assemblyFromResolveEvent = null; // instead of an.nInit(out assemblyFromResolveEvent, forIntrospection, true);
  87             return an;
  88         }
  89
  90         internal static RuntimeAssembly InternalLoadAssemblyName(
  91             AssemblyName assemblyRef,
  92             Evidence assemblySecurity,
  93             RuntimeAssembly reqAssembly,
  94             ref StackCrawlMark stackMark,
  95 #if FEATURE_HOSTED_BINDER
  96             IntPtr pPrivHostBinder,
  97 #endif
  98             bool throwOnFileNotFound,
  99             bool forIntrospection,
 100             bool suppressSecurityChecks)
 101         {
 102             if (assemblyRef == null)
 103                 throw new ArgumentNullException("assemblyRef");
 104             Contract.EndContractBlock();
 105
 106             if (assemblyRef.CodeBase != null)
 107             {
 108                 AppDomain.CheckLoadFromSupported();
 109             }
 110
 111             assemblyRef = (AssemblyName)assemblyRef.Clone();
 112 #if FEATURE_VERSIONING
 113             if (!forIntrospection &&
 114                 (assemblyRef.ProcessorArchitecture != ProcessorArchitecture.None)) {
 115                 // PA does not have a semantics for by-name binds for execution
 116                 assemblyRef.ProcessorArchitecture = ProcessorArchitecture.None;
 117             }
 118 #endif
 119
 120             if (assemblySecurity != null)
 121             {
 122 #if FEATURE_CAS_POLICY
 123                 if (!AppDomain.CurrentDomain.IsLegacyCasPolicyEnabled)
 124                 {
 125                     throw new NotSupportedException(Environment.GetResourceString("NotSupported_RequiresCasPolicyImplicit"));
 126                 }
 127 #endif // FEATURE_CAS_POLICY
 128
 129                 if (!suppressSecurityChecks)
 130                 {
 131 #pragma warning disable 618
 132                     new SecurityPermission(SecurityPermissionFlag.ControlEvidence).Demand();
 133 #pragma warning restore 618
 134                 }
 135             }
 136
 137                         return (RuntimeAssembly) Assembly.Load (assemblyRef);
 138                 }
 139
 140                 internal static RuntimeAssembly LoadWithPartialNameInternal (String partialName, Evidence securityEvidence, ref StackCrawlMark stackMark)
 141                 {
 142                         // Mono runtime does not support StackCrawlMark
 143                         //FIXME stackMark should probably change method behavior in some cases.
 144                         return (RuntimeAssembly) Assembly.LoadWithPartialName (partialName, securityEvidence);
 145                 }
 146
 147                 internal static RuntimeAssembly LoadWithPartialNameInternal (AssemblyName an, Evidence securityEvidence, ref StackCrawlMark stackMark)
 148                 {
 149                         return LoadWithPartialNameInternal (an.ToString (), securityEvidence, ref stackMark);
 150                 }
 151
 152         }
 153
 154         [ComVisible (true)]
 155         [ComDefaultInterfaceAttribute (typeof (_Assembly))]
 156         [Serializable]
 157         [ClassInterface(ClassInterfaceType.None)]
 158         class MonoAssembly : RuntimeAssembly
 159         {
 160                 public
 161                 override
 162                 Type GetType (string name, bool throwOnError, bool ignoreCase)
 163                 {
 164                         Type res;
 165                         if (name == null)
 166                                 throw new ArgumentNullException (name);
 167                         if (name.Length == 0)
 168                         throw new ArgumentException ("name", "Name cannot be empty");
 169
 170                         res = InternalGetType (null, name, throwOnError, ignoreCase);
 171                         return res;
 172                 }
 173
 174                 public
 175                 override
 176                 Module GetModule (String name)
 177                 {
 178                         if (name == null)
 179                                 throw new ArgumentNullException ("name");
 180                         if (name.Length == 0)
 181                                 throw new ArgumentException ("Name can't be empty");
 182
 183                         Module[] modules = GetModules (true);
 184                         foreach (Module module in modules) {
 185                                 if (module.ScopeName == name)
 186                                         return module;
 187                         }
 188
 189                         return null;
 190                 }
 191
 192                 public
 193                 override
 194                 AssemblyName[] GetReferencedAssemblies () {
 195                         return GetReferencedAssemblies (this);
 196                 }
 197
 198                 public
 199                 override
 200                 Module[] GetModules (bool getResourceModules) {
 201                         Module[] modules = GetModulesInternal ();
 202
 203                         if (!getResourceModules) {
 204                                 var result = new List<Module> (modules.Length);
 205                                 foreach (Module m in modules)
 206                                         if (!m.IsResource ())
 207                                                 result.Add (m);
 208                                 return result.ToArray ();
 209                         }
 210                         else
 211                                 return modules;
 212                 }
 213
 214                 [MonoTODO ("Always returns the same as GetModules")]
 215                 public
 216                 override
 217                 Module[] GetLoadedModules (bool getResourceModules)
 218                 {
 219                         return GetModules (getResourceModules);
 220                 }
 221
 222                 public
 223                 override
 224                 Assembly GetSatelliteAssembly (CultureInfo culture)
 225                 {
 226                         return GetSatelliteAssembly (culture, null, true);
 227                 }
 228
 229                 public
 230                 override
 231                 Assembly GetSatelliteAssembly (CultureInfo culture, Version version)
 232                 {
 233                         return GetSatelliteAssembly (culture, version, true);
 234                 }
 235
 236                 //FIXME remove GetManifestModule under v4, it's a v2 artifact
 237                 [ComVisible (false)]
 238                 public
 239                 override
 240                 Module ManifestModule {
 241                         get {
 242                                 return GetManifestModule ();
 243                         }
 244                 }
 245
 246                 public
 247                 override
 248                 bool GlobalAssemblyCache {
 249                         get {
 250                                 return get_global_assembly_cache ();
 251                         }
 252                 }
 253         }
 254 }
 255
 256