mcs/class/Microsoft.Build.Tasks/Microsoft.Build.Tasks/ResolveAssemblyReference.cs

   1 //
   2 // ResolveAssemblyReference.cs: Searches for assembly files.
   3 //
   4 // Author:
   5 //   Marek Sieradzki (marek.sieradzki@gmail.com)
   6 //   Ankit Jain (jankit@novell.com)
   7 //
   8 // (C) 2006 Marek Sieradzki
   9 // Copyright 2009 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29
  30 using System;
  31 using System.Collections.Generic;
  32 using System.Globalization;
  33 using System.IO;
  34 using System.Linq;
  35 using System.Reflection;
  36 using System.Security;
  37 using Microsoft.Build.Framework;
  38 using Microsoft.Build.Utilities;
  39
  40 namespace Microsoft.Build.Tasks {
  41         public class ResolveAssemblyReference : TaskExtension {
  42
  43                 bool            autoUnify;
  44                 ITaskItem[]     assemblyFiles;
  45                 ITaskItem[]     assemblies;
  46                 string          appConfigFile;
  47                 string[]        allowedAssemblyExtensions;
  48                 string[]        allowedRelatedFileExtensions;
  49                 string[]        candidateAssemblyFiles;
  50                 ITaskItem[]     copyLocalFiles;
  51                 ITaskItem[]     filesWritten;
  52                 bool            findDependencies;
  53                 bool            findRelatedFiles;
  54                 bool            findSatellites;
  55                 bool            findSerializationAssemblies;
  56                 string[]        installedAssemblyTables;
  57                 ITaskItem[]     relatedFiles;
  58                 ITaskItem[]     resolvedDependencyFiles;
  59                 ITaskItem[]     resolvedFiles;
  60                 ITaskItem[]     satelliteFiles;
  61                 ITaskItem[]     scatterFiles;
  62                 string[]        searchPaths;
  63                 ITaskItem[]     serializationAssemblyFiles;
  64                 bool            silent;
  65                 string          stateFile;
  66                 ITaskItem[]     suggestedRedirects;
  67                 string[]        targetFrameworkDirectories;
  68                 string          targetProcessorArchitecture;
  69                 static string []        default_assembly_extensions;
  70
  71                 AssemblyResolver        assembly_resolver;
  72                 List<string> dependency_search_paths;
  73                 Dictionary<string, ResolvedReference> assemblyNameToResolvedRef;
  74                 Dictionary<string, ITaskItem>   tempSatelliteFiles, tempRelatedFiles,
  75                         tempResolvedDepFiles, tempCopyLocalFiles;
  76                 List<ITaskItem> tempResolvedFiles;
  77                 List<PrimaryReference> primaryReferences;
  78                 Dictionary<string, string> alreadyScannedAssemblyNames;
  79                 Dictionary<string, string> conflictWarningsCache;
  80
  81                 //FIXME: construct and use a graph of the dependencies, useful across projects
  82
  83                 static ResolveAssemblyReference ()
  84                 {
  85                         default_assembly_extensions = new string [] { ".dll", ".exe" };
  86                 }
  87
  88                 public ResolveAssemblyReference ()
  89                 {
  90                         assembly_resolver = new AssemblyResolver ();
  91                 }
  92
  93                 //FIXME: make this reusable
  94                 public override bool Execute ()
  95                 {
  96                         if (assemblies == null && assemblyFiles == null)
  97                                 // nothing to resolve
  98                                 return true;
  99
 100                         LogTaskParameters ();
 101
 102                         assembly_resolver.Log = Log;
 103                         tempResolvedFiles = new List<ITaskItem> ();
 104                         tempCopyLocalFiles = new Dictionary<string, ITaskItem> ();
 105                         tempSatelliteFiles = new Dictionary<string, ITaskItem> ();
 106                         tempRelatedFiles = new Dictionary<string, ITaskItem> ();
 107                         tempResolvedDepFiles = new Dictionary<string, ITaskItem> ();
 108
 109                         primaryReferences = new List<PrimaryReference> ();
 110                         assemblyNameToResolvedRef = new Dictionary<string, ResolvedReference> ();
 111                         conflictWarningsCache = new Dictionary<string, string> ();
 112
 113                         ResolveAssemblies ();
 114                         ResolveAssemblyFiles ();
 115                         resolvedFiles = tempResolvedFiles.ToArray ();
 116
 117                         alreadyScannedAssemblyNames = new Dictionary<string, string> ();
 118
 119                         // the first element is place holder for parent assembly's dir
 120                         dependency_search_paths = new List<string> () { String.Empty };
 121                         dependency_search_paths.AddRange (searchPaths);
 122
 123                         // resolve dependencies
 124                         foreach (PrimaryReference pref in primaryReferences)
 125                                 ResolveAssemblyFileDependencies (pref.TaskItem, pref.ParentCopyLocal);
 126
 127                         copyLocalFiles = tempCopyLocalFiles.Values.ToArray ();
 128                         satelliteFiles = tempSatelliteFiles.Values.ToArray ();
 129                         relatedFiles = tempRelatedFiles.Values.ToArray ();
 130                         resolvedDependencyFiles = tempResolvedDepFiles.Values.ToArray ();
 131
 132                         tempResolvedFiles.Clear ();
 133                         tempCopyLocalFiles.Clear ();
 134                         tempSatelliteFiles.Clear ();
 135                         tempRelatedFiles.Clear ();
 136                         tempResolvedDepFiles.Clear ();
 137                         alreadyScannedAssemblyNames.Clear ();
 138                         primaryReferences.Clear ();
 139                         assemblyNameToResolvedRef.Clear ();
 140                         conflictWarningsCache.Clear ();
 141                         dependency_search_paths = null;
 142
 143                         return true;
 144                 }
 145
 146                 void ResolveAssemblies ()
 147                 {
 148                         if (assemblies == null || assemblies.Length == 0)
 149                                 return;
 150
 151                         foreach (ITaskItem item in assemblies) {
 152                                 if (!String.IsNullOrEmpty (item.GetMetadata ("SubType"))) {
 153                                         Log.LogWarning ("Reference '{0}' has non-empty SubType. Ignoring.", item.ItemSpec);
 154                                         continue;
 155                                 }
 156
 157                                 LogWithPrecedingNewLine (MessageImportance.Low, "Primary Reference {0}", item.ItemSpec);
 158                                 ResolvedReference resolved_ref = ResolveReference (item, searchPaths, true);
 159                                 if (resolved_ref == null) {
 160                                         Log.LogWarning ("Reference '{0}' not resolved", item.ItemSpec);
 161                                         assembly_resolver.LogSearchLoggerMessages (MessageImportance.Normal);
 162                                 } else {
 163                                         Log.LogMessage (MessageImportance.Low,
 164                                                         "\tReference {0} resolved to {1}. CopyLocal = {2}",
 165                                                         item.ItemSpec, resolved_ref.TaskItem,
 166                                                         resolved_ref.TaskItem.GetMetadata ("CopyLocal"));
 167
 168                                         Log.LogMessage (MessageImportance.Low,
 169                                                         "\tReference found at search path {0}",
 170                                                         resolved_ref.FoundInSearchPathAsString);
 171
 172                                         assembly_resolver.LogSearchLoggerMessages (MessageImportance.Low);
 173
 174                                         if (TryAddNewReference (tempResolvedFiles, resolved_ref) &&
 175                                                 !IsFromGacOrTargetFramework (resolved_ref) &&
 176                                                 resolved_ref.FoundInSearchPath != SearchPath.PkgConfig) {
 177                                                 primaryReferences.Add (new PrimaryReference (
 178                                                                 resolved_ref.TaskItem,
 179                                                                 resolved_ref.TaskItem.GetMetadata ("CopyLocal")));
 180                                         }
 181                                 }
 182                         }
 183                 }
 184
 185                 // Use @search_paths to resolve the reference
 186                 ResolvedReference ResolveReference (ITaskItem item, IEnumerable<string> search_paths, bool set_copy_local)
 187                 {
 188                         ResolvedReference resolved = null;
 189                         bool specific_version;
 190
 191                         assembly_resolver.ResetSearchLogger ();
 192
 193                         if (!TryGetSpecificVersionValue (item, out specific_version))
 194                                 return null;
 195
 196                         foreach (string spath in search_paths) {
 197                                 assembly_resolver.LogSearchMessage ("For searchpath {0}", spath);
 198
 199                                 if (String.Compare (spath, "{HintPathFromItem}") == 0) {
 200                                         resolved = assembly_resolver.ResolveHintPathReference (item, specific_version);
 201                                 } else if (String.Compare (spath, "{TargetFrameworkDirectory}") == 0) {
 202                                         if (targetFrameworkDirectories == null)
 203                                                 continue;
 204                                         foreach (string fpath in targetFrameworkDirectories) {
 205                                                 resolved = assembly_resolver.FindInTargetFramework (item,
 206                                                                 fpath, specific_version);
 207                                                 if (resolved != null)
 208                                                         break;
 209                                         }
 210                                 } else if (String.Compare (spath, "{GAC}") == 0) {
 211                                         resolved = assembly_resolver.ResolveGacReference (item, specific_version);
 212                                 } else if (String.Compare (spath, "{RawFileName}") == 0) {
 213                                         //FIXME: identify assembly names, as extract the name, and try with that?
 214                                         AssemblyName aname;
 215                                         if (assembly_resolver.TryGetAssemblyNameFromFile (item.ItemSpec, out aname))
 216                                                 resolved = assembly_resolver.GetResolvedReference (item, item.ItemSpec, aname, true,
 217                                                                 SearchPath.RawFileName);
 218                                 } else if (String.Compare (spath, "{CandidateAssemblyFiles}") == 0) {
 219                                         assembly_resolver.LogSearchMessage (
 220                                                         "Warning: {{CandidateAssemblyFiles}} not supported currently");
 221                                 } else if (String.Compare (spath, "{PkgConfig}") == 0) {
 222                                         resolved = assembly_resolver.ResolvePkgConfigReference (item, specific_version);
 223                                 } else {
 224                                         resolved = assembly_resolver.FindInDirectory (
 225                                                         item, spath,
 226                                                         allowedAssemblyExtensions ?? default_assembly_extensions,
 227                                                         specific_version);
 228                                 }
 229
 230                                 if (resolved != null)
 231                                         break;
 232                         }
 233
 234                         if (resolved != null && set_copy_local)
 235                                 SetCopyLocal (resolved.TaskItem, resolved.CopyLocal.ToString ());
 236
 237                         return resolved;
 238                 }
 239
 240                 bool TryGetSpecificVersionValue (ITaskItem item, out bool specific_version)
 241                 {
 242                         specific_version = true;
 243                         string value = item.GetMetadata ("SpecificVersion");
 244                         if (String.IsNullOrEmpty (value)) {
 245                                 //AssemblyName name = new AssemblyName (item.ItemSpec);
 246                                 // If SpecificVersion is not specified, then
 247                                 // it is true if the Include is a strong name else false
 248                                 //specific_version = assembly_resolver.IsStrongNamed (name);
 249
 250                                 // msbuild seems to just look for a ',' in the name :/
 251                                 specific_version = item.ItemSpec.IndexOf (',') >= 0;
 252                                 return true;
 253                         }
 254
 255                         if (Boolean.TryParse (value, out specific_version))
 256                                 return true;
 257
 258                         Log.LogError ("Item '{0}' has attribute SpecificVersion with invalid value '{1}' " +
 259                                         "which could not be converted to a boolean.", item.ItemSpec, value);
 260                         return false;
 261                 }
 262
 263                 //FIXME: Consider CandidateAssemblyFiles also here
 264                 void ResolveAssemblyFiles ()
 265                 {
 266                         if (assemblyFiles == null)
 267                                 return;
 268
 269                         foreach (ITaskItem item in assemblyFiles) {
 270                                 assembly_resolver.ResetSearchLogger ();
 271
 272                                 if (!File.Exists (item.ItemSpec)) {
 273                                         LogWithPrecedingNewLine (MessageImportance.Low,
 274                                                         "Primary Reference from AssemblyFiles {0}, file not found. Ignoring",
 275                                                         item.ItemSpec);
 276                                         continue;
 277                                 }
 278
 279                                 LogWithPrecedingNewLine (MessageImportance.Low, "Primary Reference from AssemblyFiles {0}", item.ItemSpec);
 280                                 string copy_local;
 281
 282                                 AssemblyName aname;
 283                                 if (!assembly_resolver.TryGetAssemblyNameFromFile (item.ItemSpec, out aname)) {
 284                                         Log.LogWarning ("Reference '{0}' not resolved", item.ItemSpec);
 285                                         assembly_resolver.LogSearchLoggerMessages (MessageImportance.Normal);
 286                                         continue;
 287                                 }
 288
 289                                 assembly_resolver.LogSearchLoggerMessages (MessageImportance.Low);
 290
 291                                 ResolvedReference rr = assembly_resolver.GetResolvedReference (item, item.ItemSpec, aname, true,
 292                                                 SearchPath.RawFileName);
 293                                 copy_local = rr.CopyLocal.ToString ();
 294
 295                                 if (!TryAddNewReference (tempResolvedFiles, rr))
 296                                         // already resolved
 297                                         continue;
 298
 299                                 SetCopyLocal (rr.TaskItem, copy_local);
 300
 301                                 FindAndAddRelatedFiles (item.ItemSpec, copy_local);
 302                                 FindAndAddSatellites (item.ItemSpec, copy_local);
 303
 304                                 if (FindDependencies && !IsFromGacOrTargetFramework (rr) &&
 305                                                 rr.FoundInSearchPath != SearchPath.PkgConfig)
 306                                         primaryReferences.Add (new PrimaryReference (item, copy_local));
 307                         }
 308                 }
 309
 310                 // Tries to resolve assemblies referenced by @item
 311                 // Skips gac references
 312                 // @item : filename
 313                 void ResolveAssemblyFileDependencies (ITaskItem item, string parent_copy_local)
 314                 {
 315                         Queue<string> dependencies = new Queue<string> ();
 316                         dependencies.Enqueue (item.ItemSpec);
 317
 318                         while (dependencies.Count > 0) {
 319                                 string filename = Path.GetFullPath (dependencies.Dequeue ());
 320                                 Assembly asm = Assembly.ReflectionOnlyLoadFrom (filename);
 321                                 if (alreadyScannedAssemblyNames.ContainsKey (asm.FullName))
 322                                         continue;
 323
 324                                 // set the 1st search path to this ref's base path
 325                                 // Will be used for resolving the dependencies
 326                                 dependency_search_paths [0] = Path.GetDirectoryName (filename);
 327
 328                                 foreach (AssemblyName aname in asm.GetReferencedAssemblies ()) {
 329                                         if (alreadyScannedAssemblyNames.ContainsKey (aname.FullName))
 330                                                 continue;
 331
 332                                         ResolvedReference resolved_ref = ResolveDependencyByAssemblyName (
 333                                                 aname, asm.FullName, parent_copy_local);
 334
 335                                         if (IncludeDependencies (resolved_ref, aname.FullName)) {
 336                                                 tempResolvedDepFiles[resolved_ref.AssemblyName.FullName] = resolved_ref.TaskItem;
 337                                                 dependencies.Enqueue (resolved_ref.TaskItem.ItemSpec);
 338                                         }
 339                                 }
 340                                 alreadyScannedAssemblyNames.Add (asm.FullName, String.Empty);
 341                         }
 342                 }
 343
 344                 // Resolves by looking dependency_search_paths
 345                 // which is dir of parent reference file, and
 346                 // SearchPaths
 347                 ResolvedReference ResolveDependencyByAssemblyName (AssemblyName aname, string parent_asm_name,
 348                                 string parent_copy_local)
 349                 {
 350                         // This will check for compatible assembly name/version
 351                         ResolvedReference resolved_ref;
 352                         if (TryGetResolvedReferenceByAssemblyName (aname, false, out resolved_ref))
 353                                 return resolved_ref;
 354
 355                         LogWithPrecedingNewLine (MessageImportance.Low, "Dependency {0}", aname);
 356                         Log.LogMessage (MessageImportance.Low, "\tRequired by {0}", parent_asm_name);
 357
 358                         ITaskItem item = new TaskItem (aname.FullName);
 359                         item.SetMetadata ("SpecificVersion", "false");
 360                         resolved_ref = ResolveReference (item, dependency_search_paths, false);
 361
 362                         if (resolved_ref != null) {
 363                                 Log.LogMessage (MessageImportance.Low, "\tReference {0} resolved to {1}.",
 364                                         aname, resolved_ref.TaskItem.ItemSpec);
 365
 366                                 Log.LogMessage (MessageImportance.Low,
 367                                                 "\tReference found at search path {0}",
 368                                                 resolved_ref.FoundInSearchPathAsString);
 369
 370                                 assembly_resolver.LogSearchLoggerMessages (MessageImportance.Low);
 371
 372                                 if (resolved_ref.FoundInSearchPath == SearchPath.Directory) {
 373                                         // override CopyLocal with parent's val
 374                                         SetCopyLocal (resolved_ref.TaskItem, parent_copy_local);
 375
 376                                         Log.LogMessage (MessageImportance.Low,
 377                                                         "\tThis is CopyLocal {0} as parent item has this value",
 378                                                         parent_copy_local);
 379
 380                                         if (TryAddNewReference (tempResolvedFiles, resolved_ref)) {
 381                                                 FindAndAddRelatedFiles (resolved_ref.TaskItem.ItemSpec, parent_copy_local);
 382                                                 FindAndAddSatellites (resolved_ref.TaskItem.ItemSpec, parent_copy_local);
 383                                         }
 384                                 } else {
 385                                         //gac or tgtfmwk
 386                                         Log.LogMessage (MessageImportance.Low,
 387                                                         "\tThis is CopyLocal false as it is in the GAC," +
 388                                                         "target framework directory or provided by a package.");
 389
 390                                         TryAddNewReference (tempResolvedFiles, resolved_ref);
 391                                 }
 392                         } else {
 393                                 Log.LogMessage (MessageImportance.Low, "Could not resolve the assembly \"{0}\".", aname);
 394                                 assembly_resolver.LogSearchLoggerMessages (MessageImportance.Low);
 395                         }
 396
 397                         return resolved_ref;
 398                 }
 399
 400                 void FindAndAddRelatedFiles (string filename, string parent_copy_local)
 401                 {
 402                         if (!findRelatedFiles || allowedRelatedFileExtensions == null)
 403                                 return;
 404
 405                         foreach (string ext in allowedRelatedFileExtensions) {
 406                                 string rfile = Path.ChangeExtension (filename, ext);
 407                                 if (File.Exists (rfile)) {
 408                                         ITaskItem item = new TaskItem (rfile);
 409                                         SetCopyLocal (item, parent_copy_local);
 410
 411                                         tempRelatedFiles.AddUniqueFile (item);
 412                                 }
 413                         }
 414                 }
 415
 416                 void FindAndAddSatellites (string filename, string parent_copy_local)
 417                 {
 418                         if (!FindSatellites)
 419                                 return;
 420
 421                         string basepath = Path.GetDirectoryName (filename);
 422                         string resource = String.Format ("{0}{1}{2}",
 423                                         Path.GetFileNameWithoutExtension (filename),
 424                                         ".resources",
 425                                         Path.GetExtension (filename));
 426
 427                         string dir_sep = Path.DirectorySeparatorChar.ToString ();
 428                         foreach (string dir in Directory.GetDirectories (basepath)) {
 429                                 string culture = Path.GetFileName (dir);
 430                                 if (!CultureNamesTable.ContainsKey (culture))
 431                                         continue;
 432
 433                                 string res_path = Path.Combine (dir, resource);
 434                                 if (File.Exists (res_path)) {
 435                                         ITaskItem item = new TaskItem (res_path);
 436                                         SetCopyLocal (item, parent_copy_local);
 437                                         item.SetMetadata ("DestinationSubdirectory", culture + dir_sep);
 438                                         tempSatelliteFiles.AddUniqueFile (item);
 439                                 }
 440                         }
 441                 }
 442
 443                 // returns true is it was new
 444                 bool TryAddNewReference (List<ITaskItem> file_list, ResolvedReference key_ref)
 445                 {
 446                         ResolvedReference found_ref;
 447                         if (!TryGetResolvedReferenceByAssemblyName (key_ref.AssemblyName, key_ref.IsPrimary, out found_ref)) {
 448                                 assemblyNameToResolvedRef [key_ref.AssemblyName.Name] = key_ref;
 449                                 file_list.Add (key_ref.TaskItem);
 450
 451                                 return true;
 452                         }
 453                         return false;
 454                 }
 455
 456                 void SetCopyLocal (ITaskItem item, string copy_local)
 457                 {
 458                         item.SetMetadata ("CopyLocal", copy_local);
 459
 460                         // Assumed to be valid value
 461                         if (Boolean.Parse (copy_local))
 462                                 tempCopyLocalFiles.AddUniqueFile (item);
 463                 }
 464
 465                 bool TryGetResolvedReferenceByAssemblyName (AssemblyName key_aname, bool is_primary, out ResolvedReference found_ref)
 466                 {
 467                         found_ref = null;
 468                         // Match by just name
 469                         if (!assemblyNameToResolvedRef.TryGetValue (key_aname.Name, out found_ref))
 470                                 // not there
 471                                 return false;
 472
 473                         // match for full name
 474                         if (AssemblyResolver.AssemblyNamesCompatible (key_aname, found_ref.AssemblyName, true, false))
 475                                 // exact match, so its already there, dont add anything
 476                                 return true;
 477
 478                         // we have a name match, but version mismatch!
 479                         assembly_resolver.LogSearchMessage ("A conflict was detected between '{0}' and '{1}'",
 480                                         key_aname.FullName, found_ref.AssemblyName.FullName);
 481
 482                         if (is_primary == found_ref.IsPrimary) {
 483                                 assembly_resolver.LogSearchMessage ("Unable to choose between the two. " +
 484                                                 "Choosing '{0}' arbitrarily.", found_ref.AssemblyName.FullName);
 485                                 return true;
 486                         }
 487
 488                         // since all dependencies are processed after
 489                         // all primary refererences, the one in the cache
 490                         // has to be a primary
 491                         // Prefer a primary reference over a dependency
 492
 493                         assembly_resolver.LogSearchMessage ("Choosing '{0}' as it is a primary reference.",
 494                                         found_ref.AssemblyName.FullName);
 495
 496                         // If we can successfully use the primary reference, don't log a warning. It's too
 497                         // verbose.
 498                         //LogConflictWarning (found_ref.AssemblyName.FullName, key_aname.FullName);
 499
 500                         return true;
 501                 }
 502
 503                 void LogWithPrecedingNewLine (MessageImportance importance, string format, params object [] args)
 504                 {
 505                         Log.LogMessage (importance, String.Empty);
 506                         Log.LogMessage (importance, format, args);
 507                 }
 508
 509                 // conflict b/w @main and @conflicting, picking @main
 510                 void LogConflictWarning (string main, string conflicting)
 511                 {
 512                         string key = main + ":" + conflicting;
 513                         if (!conflictWarningsCache.ContainsKey (key)) {
 514                                 Log.LogWarning ("Found a conflict between : '{0}' and '{1}'. Using '{0}' reference.",
 515                                                 main, conflicting);
 516                                 conflictWarningsCache [key] = key;
 517                         }
 518                 }
 519
 520                 bool IsFromGacOrTargetFramework (ResolvedReference rr)
 521                 {
 522                         return rr.FoundInSearchPath == SearchPath.Gac ||
 523                                 rr.FoundInSearchPath == SearchPath.TargetFrameworkDirectory;
 524                 }
 525
 526                 bool IncludeDependencies (ResolvedReference rr, string aname)
 527                 {
 528                         if (rr == null)
 529                                 return false;
 530                         if (aname.Equals ("System.Runtime, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"))
 531                                 return true;
 532                         return !IsFromGacOrTargetFramework (rr) && rr.FoundInSearchPath != SearchPath.PkgConfig;
 533                 }
 534
 535                 void LogTaskParameters ()
 536                 {
 537                         Log.LogMessage (MessageImportance.Low, "TargetFrameworkDirectories:");
 538                         if (TargetFrameworkDirectories != null)
 539                                 foreach (string dir in TargetFrameworkDirectories)
 540                                         Log.LogMessage (MessageImportance.Low, "\t{0}", dir);
 541
 542                         Log.LogMessage (MessageImportance.Low, "SearchPaths:");
 543                         if (SearchPaths != null)
 544                                 foreach (string path in SearchPaths)
 545                                         Log.LogMessage (MessageImportance.Low, "\t{0}", path);
 546                 }
 547
 548                 public bool AutoUnify {
 549                         get { return autoUnify; }
 550                         set { autoUnify = value; }
 551                 }
 552
 553                 public ITaskItem[] AssemblyFiles {
 554                         get { return assemblyFiles; }
 555                         set { assemblyFiles = value; }
 556                 }
 557
 558                 public ITaskItem[] Assemblies {
 559                         get { return assemblies; }
 560                         set { assemblies = value; }
 561                 }
 562
 563                 public string AppConfigFile {
 564                         get { return appConfigFile; }
 565                         set { appConfigFile = value; }
 566                 }
 567
 568                 public string[] AllowedAssemblyExtensions {
 569                         get { return allowedAssemblyExtensions; }
 570                         set { allowedAssemblyExtensions = value; }
 571                 }
 572
 573                 public string[] AllowedRelatedFileExtensions {
 574                         get { return allowedRelatedFileExtensions; }
 575                         set { allowedRelatedFileExtensions = value; }
 576                 }
 577
 578                 public string[] CandidateAssemblyFiles {
 579                         get { return candidateAssemblyFiles; }
 580                         set { candidateAssemblyFiles = value; }
 581                 }
 582
 583                 [Output]
 584                 public ITaskItem[] CopyLocalFiles {
 585                         get { return copyLocalFiles; }
 586                 }
 587
 588                 [Output]
 589                 public ITaskItem[] FilesWritten {
 590                         get { return filesWritten; }
 591                         set { filesWritten = value; }
 592                 }
 593
 594                 public bool FindDependencies {
 595                         get { return findDependencies; }
 596                         set { findDependencies = value; }
 597                 }
 598
 599                 public bool FindRelatedFiles {
 600                         get { return findRelatedFiles; }
 601                         set { findRelatedFiles = value; }
 602                 }
 603
 604                 public bool FindSatellites {
 605                         get { return findSatellites; }
 606                         set { findSatellites = value; }
 607                 }
 608
 609                 public bool FindSerializationAssemblies {
 610                         get { return findSerializationAssemblies; }
 611                         set { findSerializationAssemblies = value; }
 612                 }
 613
 614                 public string[] InstalledAssemblyTables {
 615                         get { return installedAssemblyTables; }
 616                         set { installedAssemblyTables = value; }
 617                 }
 618
 619                 [Output]
 620                 public ITaskItem[] RelatedFiles {
 621                         get { return relatedFiles; }
 622                 }
 623
 624                 [Output]
 625                 public ITaskItem[] ResolvedDependencyFiles {
 626                         get { return resolvedDependencyFiles; }
 627                 }
 628
 629                 [Output]
 630                 public ITaskItem[] ResolvedFiles {
 631                         get { return resolvedFiles; }
 632                 }
 633
 634                 [Output]
 635                 public ITaskItem[] SatelliteFiles {
 636                         get { return satelliteFiles; }
 637                 }
 638
 639                 [Output]
 640                 public ITaskItem[] ScatterFiles {
 641                         get { return scatterFiles; }
 642                 }
 643
 644                 [Required]
 645                 public string[] SearchPaths {
 646                         get { return searchPaths; }
 647                         set { searchPaths = value; }
 648                 }
 649
 650                 [Output]
 651                 public ITaskItem[] SerializationAssemblyFiles {
 652                         get { return serializationAssemblyFiles; }
 653                 }
 654
 655                 public bool Silent {
 656                         get { return silent; }
 657                         set { silent = value; }
 658                 }
 659
 660                 public string StateFile {
 661                         get { return stateFile; }
 662                         set { stateFile = value; }
 663                 }
 664
 665                 [Output]
 666                 public ITaskItem[] SuggestedRedirects {
 667                         get { return suggestedRedirects; }
 668                 }
 669
 670 #if NET_4_0
 671                 public string TargetFrameworkMoniker { get; set; }
 672
 673                 public string TargetFrameworkMonikerDisplayName { get; set; }
 674 #endif
 675
 676                 public string TargetFrameworkVersion { get; set; }
 677
 678                 public string[] TargetFrameworkDirectories {
 679                         get { return targetFrameworkDirectories; }
 680                         set { targetFrameworkDirectories = value; }
 681                 }
 682
 683                 public string TargetProcessorArchitecture {
 684                         get { return targetProcessorArchitecture; }
 685                         set { targetProcessorArchitecture = value; }
 686                 }
 687
 688
 689                 static Dictionary<string, string> cultureNamesTable;
 690                 static Dictionary<string, string> CultureNamesTable {
 691                         get {
 692                                 if (cultureNamesTable == null) {
 693                                         cultureNamesTable = new Dictionary<string, string> ();
 694                                         foreach (CultureInfo ci in CultureInfo.GetCultures (CultureTypes.AllCultures))
 695                                                 cultureNamesTable [ci.Name] = ci.Name;
 696                                 }
 697
 698                                 return cultureNamesTable;
 699                         }
 700                 }
 701         }
 702
 703         static class ResolveAssemblyReferenceHelper {
 704                 public static void AddUniqueFile (this Dictionary<string, ITaskItem> dic, ITaskItem item)
 705                 {
 706                         if (dic == null)
 707                                 throw new ArgumentNullException ("dic");
 708                         if (item == null)
 709                                 throw new ArgumentNullException ("item");
 710
 711                         string fullpath = Path.GetFullPath (item.ItemSpec);
 712                         if (!dic.ContainsKey (fullpath))
 713                                 dic [fullpath] = item;
 714                 }
 715         }
 716
 717         struct PrimaryReference {
 718                 public ITaskItem TaskItem;
 719                 public string ParentCopyLocal;
 720
 721                 public PrimaryReference (ITaskItem item, string parent_copy_local)
 722                 {
 723                         TaskItem = item;
 724                         ParentCopyLocal = parent_copy_local;
 725                 }
 726         }
 727
 728 }