Beispiel #1
0
        /// <summary>
        /// Construct.
        /// </summary>
        /// <param name="findDependencies">If true, then search for dependencies.</param>
        /// <param name="findSatellites">If true, then search for satellite files.</param>
        /// <param name="findSerializatoinAssemblies">If true, then search for serialization assembly files.</param>
        /// <param name="findRelatedFiles">If true, then search for related files.</param>
        /// <param name="searchPaths">Paths to search for dependent assemblies on.</param>
        /// <param name="candidateAssemblyFiles">List of literal assembly file names to be considered when SearchPaths has {CandidateAssemblyFiles}.</param>
        /// <param name="resolvedSDKItems">Resolved sdk items</param>
        /// <param name="frameworkPaths">Path to the FX.</param>
        /// <param name="installedAssemblies">Installed assembly XML tables.</param>
        /// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64, the processor architecture being targetted.</param>
        /// <param name="fileExists">Delegate used for checking for the existence of a file.</param>
        /// <param name="directoryExists">Delegate used for files.</param>
        /// <param name="getDirectories">Delegate used for getting directories.</param>
        /// <param name="getAssemblyName">Delegate used for getting assembly names.</param>
        /// <param name="getAssemblyMetadata">Delegate used for finding dependencies of a file.</param>
        /// <param name="getRegistrySubKeyNames">Used to get registry subkey names.</param>
        /// <param name="getRegistrySubKeyDefaultValue">Used to get registry default values.</param>
        internal ReferenceTable
        (
                      IBuildEngine buildEngine,
            bool findDependencies,
            bool findSatellites,
            bool findSerializationAssemblies,
            bool findRelatedFiles,
            string[] searchPaths,
            string[] allowedAssemblyExtensions,
            string[] relatedFileExtensions,
            string[] candidateAssemblyFiles,
            ITaskItem[] resolvedSDKItems,
            string[] frameworkPaths,
            InstalledAssemblies installedAssemblies,
            System.Reflection.ProcessorArchitecture targetProcessorArchitecture,
            FileExists fileExists,
            DirectoryExists directoryExists,
            GetDirectories getDirectories,
            GetAssemblyName getAssemblyName,
            GetAssemblyMetadata getAssemblyMetadata,
            GetRegistrySubKeyNames getRegistrySubKeyNames,
            GetRegistrySubKeyDefaultValue getRegistrySubKeyDefaultValue,
            OpenBaseKey openBaseKey,
            GetAssemblyRuntimeVersion getRuntimeVersion,
            Version targetedRuntimeVersion,
            Version projectTargetFramework,
            FrameworkNameVersioning targetFrameworkMoniker,
            TaskLoggingHelper log,
            string[] latestTargetFrameworkDirectories,
            bool copyLocalDependenciesWhenParentReferenceInGac,
            bool doNotCopyLocalIfInGac,
            GetAssemblyPathInGac getAssemblyPathInGac,
            IsWinMDFile isWinMDFile,
            bool ignoreVersionForFrameworkReferences,
            ReadMachineTypeFromPEHeader readMachineTypeFromPEHeader,
            WarnOrErrorOnTargetArchitectureMismatchBehavior warnOrErrorOnTargetArchitectureMismatch,
            bool ignoreFrameworkAttributeVersionMismatch,
            bool unresolveFrameworkAssembliesFromHigherFrameworks
        )
        {
            _buildEngine = buildEngine;
            _log = log;
            _findDependencies = findDependencies;
            _findSatellites = findSatellites;
            _findSerializationAssemblies = findSerializationAssemblies;
            _findRelatedFiles = findRelatedFiles;
            _frameworkPaths = frameworkPaths;
            _allowedAssemblyExtensions = allowedAssemblyExtensions;
            _relatedFileExtensions = relatedFileExtensions;
            _installedAssemblies = installedAssemblies;
            _targetProcessorArchitecture = targetProcessorArchitecture;
            _fileExists = fileExists;
            _directoryExists = directoryExists;
            _getDirectories = getDirectories;
            _getAssemblyName = getAssemblyName;
            _getAssemblyMetadata = getAssemblyMetadata;
            _getRuntimeVersion = getRuntimeVersion;
            _projectTargetFramework = projectTargetFramework;
            _targetedRuntimeVersion = targetedRuntimeVersion;
            _openBaseKey = openBaseKey;
            _targetFrameworkMoniker = targetFrameworkMoniker;
            _latestTargetFrameworkDirectories = latestTargetFrameworkDirectories;
            _copyLocalDependenciesWhenParentReferenceInGac = copyLocalDependenciesWhenParentReferenceInGac;
            _doNotCopyLocalIfInGac = doNotCopyLocalIfInGac;
            _getAssemblyPathInGac = getAssemblyPathInGac;
            _isWinMDFile = isWinMDFile;
            _readMachineTypeFromPEHeader = readMachineTypeFromPEHeader;
            _warnOrErrorOnTargetArchitectureMismatch = warnOrErrorOnTargetArchitectureMismatch;
            _ignoreFrameworkAttributeVersionMismatch = ignoreFrameworkAttributeVersionMismatch;

            // Set condition for when to check assembly version against the target framework version 
            _checkAssemblyVersionAgainstTargetFrameworkVersion = unresolveFrameworkAssembliesFromHigherFrameworks || ((_projectTargetFramework ?? ReferenceTable.s_targetFrameworkVersion_40) <= ReferenceTable.s_targetFrameworkVersion_40);

            // Convert the list of installed SDK's to a dictionary for faster lookup
            _resolvedSDKReferences = new Dictionary<string, ITaskItem>(StringComparer.OrdinalIgnoreCase);
            _ignoreVersionForFrameworkReferences = ignoreVersionForFrameworkReferences;


            if (resolvedSDKItems != null)
            {
                foreach (ITaskItem resolvedSDK in resolvedSDKItems)
                {
                    string sdkName = resolvedSDK.GetMetadata("SDKName");

                    if (sdkName.Length > 0)
                    {
                        if (!_resolvedSDKReferences.ContainsKey(sdkName))
                        {
                            _resolvedSDKReferences.Add(sdkName, resolvedSDK);
                        }
                        else
                        {
                            _resolvedSDKReferences[sdkName] = resolvedSDK;
                        }
                    }
                }
            }

            // Compile searchpaths into fast resolver array.
            _compiledSearchPaths = AssemblyResolution.CompileSearchPaths
                (
                    buildEngine,
                    searchPaths,
                    candidateAssemblyFiles,
                    targetProcessorArchitecture,
                    frameworkPaths,
                    fileExists,
                    getAssemblyName,
                    getRegistrySubKeyNames,
                    getRegistrySubKeyDefaultValue,
                    openBaseKey,
                    installedAssemblies,
                    getRuntimeVersion,
                    targetedRuntimeVersion,
                    getAssemblyPathInGac
                );
        }
Beispiel #2
0
        internal void SetFinalCopyLocalState
        (
            AssemblyNameExtension assemblyName,
            string[] frameworkPaths,
            ProcessorArchitecture targetProcessorArchitecture,
            GetAssemblyRuntimeVersion getRuntimeVersion,
            Version targetedRuntimeVersion,
            FileExists fileExists,
            GetAssemblyPathInGac getAssemblyPathInGac,
            bool copyLocalDependenciesWhenParentReferenceInGac,
            bool doNotCopyLocalIfInGac,
            ReferenceTable referenceTable
        )
        {
            // If this item was unresolvable, then copy-local is false.
            if (IsUnresolvable)
            {
                CopyLocal = CopyLocalState.NoBecauseUnresolved;
                return;
            }

            if (EmbedInteropTypes)
            {
                CopyLocal = CopyLocalState.NoBecauseEmbedded;
                return;
            }

            // If this item was a conflict victim, then it should not be copy-local.
            if (IsConflictVictim)
            {
                CopyLocal = CopyLocalState.NoBecauseConflictVictim;
                return;
            }

            // If this is a primary reference then see if there's a Private metadata on the source item
            if (IsPrimary)
            {
                bool found;
                bool result = MetadataConversionUtilities.TryConvertItemMetadataToBool
                              (
                    PrimarySourceItem,
                    ItemMetadataNames.privateMetadata,
                    out found
                              );

                if (found)
                {
                    CopyLocal = result
                        ? CopyLocalState.YesBecauseReferenceItemHadMetadata
                        : CopyLocalState.NoBecauseReferenceItemHadMetadata;
                    return;
                }
            }
            else
            {
                // This is a dependency. If any primary reference that lead to this dependency
                // has Private=false, then this dependency should false too.
                bool privateTrueFound  = false;
                bool privateFalseFound = false;
                foreach (ITaskItem item in _sourceItems.Values)
                {
                    bool found;
                    bool result = MetadataConversionUtilities.TryConvertItemMetadataToBool
                                  (
                        item,
                        ItemMetadataNames.privateMetadata,
                        out found
                                  );

                    if (found)
                    {
                        if (result)
                        {
                            privateTrueFound = true;

                            // Once we hit this once we know there will be no modification to CopyLocal state.
                            // so we can immediately...
                            break;
                        }
                        else
                        {
                            privateFalseFound = true;
                        }
                    }
                }

                if (privateFalseFound && !privateTrueFound)
                {
                    CopyLocal = CopyLocalState.NoBecauseReferenceItemHadMetadata;
                    return;
                }
            }

            // If the item was determined to be an prereq assembly.
            if (IsPrerequisite && !UserRequestedSpecificFile)
            {
                CopyLocal = CopyLocalState.NoBecausePrerequisite;
                return;
            }

            // Items in the frameworks directory shouldn't be copy-local
            if (IsFrameworkFile(_fullPath, frameworkPaths))
            {
                CopyLocal = CopyLocalState.NoBecauseFrameworkFile;
                return;
            }

            // We are a dependency, check to see if all of our parent references have come from the GAC
            if (!IsPrimary && !copyLocalDependenciesWhenParentReferenceInGac)
            {
                // Did we discover a parent reference which was not found in the GAC
                bool foundSourceItemNotInGac = false;

                // Go through all of the parent source items and check to see if they were found in the GAC
                foreach (string key in _sourceItems.Keys)
                {
                    AssemblyNameExtension primaryAssemblyName = referenceTable.GetReferenceFromItemSpec(key);
                    Reference             primaryReference    = referenceTable.GetReference(primaryAssemblyName);

                    if (doNotCopyLocalIfInGac)
                    {
                        // Legacy behavior, don't copy local if the assembly is in the GAC at all
                        if (!primaryReference.FoundInGac.HasValue)
                        {
                            primaryReference.FoundInGac = !string.IsNullOrEmpty(getAssemblyPathInGac(primaryAssemblyName, targetProcessorArchitecture, getRuntimeVersion, targetedRuntimeVersion, fileExists, true, false));
                        }

                        if (!primaryReference.FoundInGac.Value)
                        {
                            foundSourceItemNotInGac = true;
                            break;
                        }
                    }
                    else
                    {
                        if (!primaryReference.ResolvedFromGac)
                        {
                            foundSourceItemNotInGac = true;
                            break;
                        }
                    }
                }

                // All parent source items were found in the GAC.
                if (!foundSourceItemNotInGac)
                {
                    CopyLocal = CopyLocalState.NoBecauseParentReferencesFoundInGAC;
                    return;
                }
            }

            if (doNotCopyLocalIfInGac)
            {
                // Legacy behavior, don't copy local if the assembly is in the GAC at all
                if (!FoundInGac.HasValue)
                {
                    FoundInGac = !string.IsNullOrEmpty(getAssemblyPathInGac(assemblyName, targetProcessorArchitecture, getRuntimeVersion, targetedRuntimeVersion, fileExists, true, false));
                }

                if (FoundInGac.Value)
                {
                    CopyLocal = CopyLocalState.NoBecauseReferenceFoundInGAC;
                    return;
                }
            }

            if (ResolvedFromGac)
            {
                CopyLocal = CopyLocalState.NoBecauseReferenceResolvedFromGAC;
                return;
            }

            // It was resolved locally, so copy it.
            CopyLocal = CopyLocalState.YesBecauseOfHeuristic;
        }
        /// <summary>
        /// Execute the task.
        /// </summary>
        /// <param name="fileExists">Delegate used for checking for the existence of a file.</param>
        /// <param name="directoryExists">Delegate used for checking for the existence of a directory.</param>
        /// <param name="getDirectories">Delegate used for finding directories.</param>
        /// <param name="getAssemblyName">Delegate used for finding fusion names of assemblyFiles.</param>
        /// <param name="getAssemblyMetadata">Delegate used for finding dependencies of a file.</param>
        /// <param name="getRegistrySubKeyNames">Used to get registry subkey names.</param>
        /// <param name="getRegistrySubKeyDefaultValue">Used to get registry default values.</param>
        /// <param name="getLastWriteTime">Delegate used to get the last write time.</param>
        /// <returns>True if there was success.</returns>
        internal bool Execute
        (
            FileExists fileExists,
            DirectoryExists directoryExists,
            GetDirectories getDirectories,
            GetAssemblyName getAssemblyName,
            GetAssemblyMetadata getAssemblyMetadata,
            GetRegistrySubKeyNames getRegistrySubKeyNames,
            GetRegistrySubKeyDefaultValue getRegistrySubKeyDefaultValue,
            GetLastWriteTime getLastWriteTime,
            GetAssemblyRuntimeVersion getRuntimeVersion,
            OpenBaseKey openBaseKey,
            GetAssemblyPathInGac getAssemblyPathInGac,
            IsWinMDFile isWinMDFile,
            ReadMachineTypeFromPEHeader readMachineTypeFromPEHeader
        )
        {
            bool success = true;
#if (!STANDALONEBUILD)
            using (new CodeMarkerStartEnd(CodeMarkerEvent.perfMSBuildResolveAssemblyReferenceBegin, CodeMarkerEvent.perfMSBuildResolveAssemblyReferenceEnd))
#endif
            {
                try
                {
                    FrameworkNameVersioning frameworkMoniker = null;
                    if (!String.IsNullOrEmpty(_targetedFrameworkMoniker))
                    {
                        try
                        {
                            frameworkMoniker = new FrameworkNameVersioning(_targetedFrameworkMoniker);
                        }
                        catch (ArgumentException)
                        {
                            // The exception doesn't contain the bad value, so log it ourselves
                            Log.LogErrorWithCodeFromResources("ResolveAssemblyReference.InvalidParameter", "TargetFrameworkMoniker", _targetedFrameworkMoniker, String.Empty);
                            return false;
                        }
                    }

                    Version targetedRuntimeVersion = SetTargetedRuntimeVersion(_targetedRuntimeVersionRawValue);

                    // Log task inputs.
                    LogInputs();

                    if (!VerifyInputConditions())
                    {
                        return false;
                    }

                    _logVerboseSearchResults = Environment.GetEnvironmentVariable("MSBUILDLOGVERBOSERARSEARCHRESULTS") != null;

                    // Loop through all the target framework directories that were passed in,
                    // and ensure that they all have a trailing slash.  This is necessary
                    // for the string comparisons we will do later on.
                    if (_targetFrameworkDirectories != null)
                    {
                        for (int i = 0; i < _targetFrameworkDirectories.Length; i++)
                        {
                            _targetFrameworkDirectories[i] = FileUtilities.EnsureTrailingSlash(_targetFrameworkDirectories[i]);
                        }
                    }


                    // Validate the contents of the InstalledAssemblyTables parameter.
                    AssemblyTableInfo[] installedAssemblyTableInfo = GetInstalledAssemblyTableInfo(_ignoreDefaultInstalledAssemblyTables, _installedAssemblyTables, new GetListPath(RedistList.GetRedistListPathsFromDisk), TargetFrameworkDirectories);
                    AssemblyTableInfo[] whiteListSubsetTableInfo = null;

                    InstalledAssemblies installedAssemblies = null;
                    RedistList redistList = null;

                    if (installedAssemblyTableInfo != null && installedAssemblyTableInfo.Length > 0)
                    {
                        redistList = RedistList.GetRedistList(installedAssemblyTableInfo);
                    }

                    Hashtable blackList = null;

                    // The name of the subset if it is generated or the name of the profile. This will be used for error messages and logging.
                    string subsetOrProfileName = null;

                    // Are we targeting a profile
                    bool targetingProfile = !String.IsNullOrEmpty(ProfileName) && ((FullFrameworkFolders.Length > 0) || (FullFrameworkAssemblyTables.Length > 0));
                    bool targetingSubset = false;
                    List<Exception> whiteListErrors = new List<Exception>();
                    List<string> whiteListErrorFilesNames = new List<string>();

                    // Check for partial success in GetRedistList and log any tolerated exceptions.
                    if (redistList != null && redistList.Count > 0 || targetingProfile || ShouldUseSubsetBlackList())
                    {
                        // If we are not targeting a dev 10 profile and we have the required components to generate a orcas style subset, do so
                        if (!targetingProfile && ShouldUseSubsetBlackList())
                        {
                            // Based in the target framework subset names find the paths to the files
                            SubsetListFinder whiteList = new SubsetListFinder(_targetFrameworkSubsets);
                            whiteListSubsetTableInfo = GetInstalledAssemblyTableInfo(IgnoreDefaultInstalledAssemblySubsetTables, InstalledAssemblySubsetTables, new GetListPath(whiteList.GetSubsetListPathsFromDisk), TargetFrameworkDirectories);
                            if (whiteListSubsetTableInfo.Length > 0 && (redistList != null && redistList.Count > 0))
                            {
                                blackList = redistList.GenerateBlackList(whiteListSubsetTableInfo, whiteListErrors, whiteListErrorFilesNames);
                            }
                            else
                            {
                                Log.LogWarningWithCodeFromResources("ResolveAssemblyReference.NoSubsetsFound");
                            }

                            // Could get into this situation if the redist list files were full of junk and no assemblies were read in.
                            if (blackList == null)
                            {
                                Log.LogWarningWithCodeFromResources("ResolveAssemblyReference.NoRedistAssembliesToGenerateExclusionList");
                            }

                            subsetOrProfileName = GenerateSubSetName(_targetFrameworkSubsets, _installedAssemblySubsetTables);
                            targetingSubset = true;
                        }
                        else
                        {
                            // We are targeting a profile
                            if (targetingProfile)
                            {
                                // When targeting a profile we want the redist list to be the full framework redist list, since this is what should be used
                                // when unifying assemblies ect. 
                                AssemblyTableInfo[] fullRedistAssemblyTableInfo = null;
                                RedistList fullFrameworkRedistList = null;

                                HandleProfile(installedAssemblyTableInfo /*This is the table info related to the profile*/, out fullRedistAssemblyTableInfo, out blackList, out fullFrameworkRedistList);

                                // Make sure the redist list and the installedAsemblyTableInfo structures point to the full framework, we replace the installedAssemblyTableInfo
                                // which contained the information about the profile redist files with the one from the full framework because when doing anything with the RAR cache
                                // we want to use the full frameworks redist list. Essentailly after generating the exclusion list the job of the profile redist list is done.
                                redistList = fullFrameworkRedistList;

                                // Save the profile redist list file locations as the whiteList
                                whiteListSubsetTableInfo = installedAssemblyTableInfo;

                                // Set the installed assembly table to the full redist list values
                                installedAssemblyTableInfo = fullRedistAssemblyTableInfo;
                                subsetOrProfileName = _profileName;
                            }
                        }

                        if (redistList != null && redistList.Count > 0)
                        {
                            installedAssemblies = new InstalledAssemblies(redistList);
                        }
                    }

                    // Print out any errors reading the redist list.
                    if (redistList != null)
                    {
                        // Some files may have been skipped. Log warnings for these.
                        for (int i = 0; i < redistList.Errors.Length; ++i)
                        {
                            Exception e = redistList.Errors[i];
                            string filename = redistList.ErrorFileNames[i];

                            // Give the user a warning about the bad file (or files).
                            Log.LogWarningWithCodeFromResources("ResolveAssemblyReference.InvalidInstalledAssemblyTablesFile", filename, RedistList.RedistListFolder, e.Message);
                        }

                        // Some files may have been skipped. Log warnings for these.
                        for (int i = 0; i < whiteListErrors.Count; ++i)
                        {
                            Exception e = whiteListErrors[i];
                            string filename = whiteListErrorFilesNames[i];

                            // Give the user a warning about the bad file (or files).
                            Log.LogWarningWithCodeFromResources("ResolveAssemblyReference.InvalidInstalledAssemblySubsetTablesFile", filename, SubsetListFinder.SubsetListFolder, e.Message);
                        }
                    }

                    // Load any prior saved state.
                    ReadStateFile();
                    _cache.SetGetLastWriteTime(getLastWriteTime);
                    _cache.SetInstalledAssemblyInformation(installedAssemblyTableInfo);

                    // Cache delegates.
                    getAssemblyName = _cache.CacheDelegate(getAssemblyName);
                    getAssemblyMetadata = _cache.CacheDelegate(getAssemblyMetadata);
                    fileExists = _cache.CacheDelegate(fileExists);
                    getDirectories = _cache.CacheDelegate(getDirectories);
                    getRuntimeVersion = _cache.CacheDelegate(getRuntimeVersion);

                    _projectTargetFramework = FrameworkVersionFromString(_projectTargetFrameworkAsString);

                    // Filter out all Assemblies that have SubType!='', or higher framework
                    FilterBySubtypeAndTargetFramework();

                    // Compute the set of bindingRedirect remappings.
                    DependentAssembly[] appConfigRemappedAssemblies = null;
                    if (FindDependencies)
                    {
                        try
                        {
                            appConfigRemappedAssemblies = GetAssemblyRemappingsFromAppConfig();
                        }
                        catch (AppConfigException e)
                        {
                            Log.LogErrorWithCodeFromResources(null, e.FileName, e.Line, e.Column, 0, 0, "ResolveAssemblyReference.InvalidAppConfig", AppConfigFile, e.Message);
                            return false;
                        }
                    }

                    SystemProcessorArchitecture processorArchitecture = TargetProcessorArchitectureToEnumeration(_targetProcessorArchitecture);

                    // Start the table of dependencies with all of the primary references.
                    ReferenceTable dependencyTable = new ReferenceTable
                    (
                        BuildEngine,
                        _findDependencies,
                        _findSatellites,
                        _findSerializationAssemblies,
                        _findRelatedFiles,
                        _searchPaths,
                        _allowedAssemblyExtensions,
                        _relatedFileExtensions,
                        _candidateAssemblyFiles,
                        _resolvedSDKReferences,
                        _targetFrameworkDirectories,
                        installedAssemblies,
                        processorArchitecture,
                        fileExists,
                        directoryExists,
                        getDirectories,
                        getAssemblyName,
                        getAssemblyMetadata,
                        getRegistrySubKeyNames,
                        getRegistrySubKeyDefaultValue,
                        openBaseKey,
                        getRuntimeVersion,
                        targetedRuntimeVersion,
                        _projectTargetFramework,
                        frameworkMoniker,
                        Log,
                        _latestTargetFrameworkDirectories,
                        _copyLocalDependenciesWhenParentReferenceInGac,
                        DoNotCopyLocalIfInGac,
                        getAssemblyPathInGac,
                        isWinMDFile,
                        _ignoreVersionForFrameworkReferences,
                        readMachineTypeFromPEHeader,
                        _warnOrErrorOnTargetArchitectureMismatch,
                        _ignoreTargetFrameworkAttributeVersionMismatch,
                        _unresolveFrameworkAssembliesFromHigherFrameworks
                        );

                    // If AutoUnify, then compute the set of assembly remappings.
                    ArrayList generalResolutionExceptions = new ArrayList();

                    subsetOrProfileName = targetingSubset && String.IsNullOrEmpty(_targetedFrameworkMoniker) ? subsetOrProfileName : _targetedFrameworkMoniker;
                    bool excludedReferencesExist = false;

                    DependentAssembly[] autoUnifiedRemappedAssemblies = null;
                    AssemblyNameReference[] autoUnifiedRemappedAssemblyReferences = null;
                    if (AutoUnify && FindDependencies)
                    {
                        // Compute all dependencies.
                        dependencyTable.ComputeClosure
                        (
                            // Use any app.config specified binding redirects so that later when we output suggested redirects
                            // for the GenerateBindingRedirects target, we don't suggest ones that the user already wrote
                            appConfigRemappedAssemblies,
                            _assemblyFiles,
                            _assemblyNames,
                            generalResolutionExceptions
                        );

                        try
                        {
                            excludedReferencesExist = false;
                            if (redistList != null && redistList.Count > 0)
                            {
                                excludedReferencesExist = dependencyTable.MarkReferencesForExclusion(blackList);
                            }
                        }
                        catch (InvalidOperationException e)
                        {
                            Log.LogErrorWithCodeFromResources("ResolveAssemblyReference.ProblemDeterminingFrameworkMembership", e.Message);
                            return false;
                        }

                        if (excludedReferencesExist)
                        {
                            dependencyTable.RemoveReferencesMarkedForExclusion(true /* Remove the reference and do not warn*/, subsetOrProfileName);
                        }


                        // Based on the closure, get a table of ideal remappings needed to 
                        // produce zero conflicts.
                        dependencyTable.ResolveConflicts
                        (
                            out autoUnifiedRemappedAssemblies,
                            out autoUnifiedRemappedAssemblyReferences
                        );
                    }

                    DependentAssembly[] allRemappedAssemblies = CombineRemappedAssemblies(appConfigRemappedAssemblies, autoUnifiedRemappedAssemblies);

                    // Compute all dependencies.
                    dependencyTable.ComputeClosure(allRemappedAssemblies, _assemblyFiles, _assemblyNames, generalResolutionExceptions);

                    try
                    {
                        excludedReferencesExist = false;
                        if (redistList != null && redistList.Count > 0)
                        {
                            excludedReferencesExist = dependencyTable.MarkReferencesForExclusion(blackList);
                        }
                    }
                    catch (InvalidOperationException e)
                    {
                        Log.LogErrorWithCodeFromResources("ResolveAssemblyReference.ProblemDeterminingFrameworkMembership", e.Message);
                        return false;
                    }

                    if (excludedReferencesExist)
                    {
                        dependencyTable.RemoveReferencesMarkedForExclusion(false /* Remove the reference and warn*/, subsetOrProfileName);
                    }

                    // Resolve any conflicts.
                    DependentAssembly[] idealAssemblyRemappings = null;
                    AssemblyNameReference[] idealAssemblyRemappingsIdentities = null;

                    dependencyTable.ResolveConflicts
                    (
                        out idealAssemblyRemappings,
                        out idealAssemblyRemappingsIdentities
                    );

                    // Build the output tables.
                    dependencyTable.GetReferenceItems
                    (
                        out _resolvedFiles,
                        out _resolvedDependencyFiles,
                        out _relatedFiles,
                        out _satelliteFiles,
                        out _serializationAssemblyFiles,
                        out _scatterFiles,
                        out _copyLocalFiles
                    );

                    // If we're not finding dependencies, then don't suggest redirects (they're only about dependencies).
                    if (FindDependencies)
                    {
                        // Build the table of suggested redirects. If we're auto-unifying, we want to output all the 
                        // assemblies that we auto-unified so that GenerateBindingRedirects can consume them, 
                        // not just the required ones for build to succeed
                        DependentAssembly[] remappings = AutoUnify ? autoUnifiedRemappedAssemblies : idealAssemblyRemappings;
                        AssemblyNameReference[] remappedReferences = AutoUnify ? autoUnifiedRemappedAssemblyReferences : idealAssemblyRemappingsIdentities;
                        PopulateSuggestedRedirects(remappings, remappedReferences);
                    }

                    bool useSystemRuntime = false;
                    foreach (var reference in dependencyTable.References.Keys)
                    {
                        if (string.Equals(SystemRuntimeAssemblyName, reference.Name, StringComparison.OrdinalIgnoreCase))
                        {
                            useSystemRuntime = true;
                            break;
                        }
                    }

                    if (!useSystemRuntime && !FindDependencies)
                    {
                        // when we are not producing the dependency graph look for direct dependencies of primary references.
                        foreach (var resolvedReference in dependencyTable.References.Values)
                        {
                            var rawDependencies = GetDependencies(resolvedReference, fileExists, getAssemblyMetadata);
                            if (rawDependencies != null)
                            {
                                foreach (var dependentReference in rawDependencies)
                                {
                                    if (string.Equals(SystemRuntimeAssemblyName, dependentReference.Name, StringComparison.OrdinalIgnoreCase))
                                    {
                                        useSystemRuntime = true;
                                        break;
                                    }
                                }
                            }

                            if (useSystemRuntime)
                            {
                                break;
                            }
                        }
                    }

                    this.DependsOnSystemRuntime = useSystemRuntime.ToString();

                    WriteStateFile();

                    // Save the new state out and put into the file exists if it is actually on disk.
                    if (_stateFile != null && fileExists(_stateFile))
                    {
                        _filesWritten.Add(new TaskItem(_stateFile));
                    }

                    // Log the results.
                    success = LogResults(dependencyTable, idealAssemblyRemappings, idealAssemblyRemappingsIdentities, generalResolutionExceptions);

                    DumpTargetProfileLists(installedAssemblyTableInfo, whiteListSubsetTableInfo, dependencyTable);

                    if (processorArchitecture != SystemProcessorArchitecture.None && _warnOrErrorOnTargetArchitectureMismatch != WarnOrErrorOnTargetArchitectureMismatchBehavior.None)
                    {
                        foreach (ITaskItem item in _resolvedFiles)
                        {
                            AssemblyNameExtension assemblyName = null;

                            if (fileExists(item.ItemSpec) && !Reference.IsFrameworkFile(item.ItemSpec, _targetFrameworkDirectories))
                            {
                                try
                                {
                                    assemblyName = getAssemblyName(item.ItemSpec);
                                }
                                catch (System.IO.FileLoadException)
                                {
                                    // Its pretty hard to get here, you need an assembly that contains a valid reference
                                    // to a dependent assembly that, in turn, throws a FileLoadException during GetAssemblyName.
                                    // Still it happened once, with an older version of the CLR. 

                                    // ...falling through and relying on the targetAssemblyName==null behavior below...
                                }
                                catch (System.IO.FileNotFoundException)
                                {
                                    // Its pretty hard to get here, also since we do a file existence check right before calling this method so it can only happen if the file got deleted between that check and this call.
                                }
                                catch (UnauthorizedAccessException)
                                {
                                }
                                catch (BadImageFormatException)
                                {
                                }
                            }

                            if (assemblyName != null)
                            {
                                SystemProcessorArchitecture assemblyArch = assemblyName.ProcessorArchitecture;

                                // If the assembly is MSIL or none it can work anywhere so there does not need to be any warning ect.
                                if (assemblyArch == SystemProcessorArchitecture.MSIL || assemblyArch == SystemProcessorArchitecture.None)
                                {
                                    continue;
                                }

                                if (processorArchitecture != assemblyArch)
                                {
                                    if (_warnOrErrorOnTargetArchitectureMismatch == WarnOrErrorOnTargetArchitectureMismatchBehavior.Error)
                                    {
                                        Log.LogErrorWithCodeFromResources("ResolveAssemblyReference.MismatchBetweenTargetedAndReferencedArch", ProcessorArchitectureToString(processorArchitecture), item.GetMetadata("OriginalItemSpec"), ProcessorArchitectureToString(assemblyArch));
                                    }
                                    else
                                    {
                                        Log.LogWarningWithCodeFromResources("ResolveAssemblyReference.MismatchBetweenTargetedAndReferencedArch", ProcessorArchitectureToString(processorArchitecture), item.GetMetadata("OriginalItemSpec"), ProcessorArchitectureToString(assemblyArch));
                                    }
                                }
                            }
                        }
                    }
                    return success && !Log.HasLoggedErrors;
                }
                catch (ArgumentException e)
                {
                    Log.LogErrorWithCodeFromResources("General.InvalidArgument", e.Message);
                }

                // InvalidParameterValueException is thrown inside RAR when we find a specific parameter
                // has an invalid value. It's then caught up here so that we can abort the task.
                catch (InvalidParameterValueException e)
                {
                    Log.LogErrorWithCodeFromResources(null, "", 0, 0, 0, 0,
                        "ResolveAssemblyReference.InvalidParameter", e.ParamName, e.ActualValue, e.Message);
                }
            }

            return success && !Log.HasLoggedErrors;
        }
Beispiel #4
0
        /// <summary>
        /// Compile search paths into an array of resolvers.
        /// </summary>
        /// <param name="buildEngine"></param>
        /// <param name="searchPaths"></param>
        /// <param name="candidateAssemblyFiles">Paths to assembly files mentioned in the project.</param>
        /// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64, the processor architecture being targetted.</param>
        /// <param name="frameworkPaths">Paths to FX folders.</param>
        /// <param name="fileExists"></param>
        /// <param name="getAssemblyName"></param>
        /// <param name="getRegistrySubKeyNames"></param>
        /// <param name="getRegistrySubKeyDefaultValue"></param>
        /// <param name="openBaseKey"></param>
        /// <param name="installedAssemblies"></param>
        /// <param name="getRuntimeVersion"></param>
        /// <param name="targetedRuntimeVersion"></param>
        /// <param name="getAssemblyPathInGac"></param>
        /// <param name="log"></param>
        /// <returns></returns>
        public static Resolver[] CompileSearchPaths
        (
            IBuildEngine buildEngine,
            string[] searchPaths,
            string[] candidateAssemblyFiles,
            System.Reflection.ProcessorArchitecture targetProcessorArchitecture,
            string[] frameworkPaths,
            FileExists fileExists,
            GetAssemblyName getAssemblyName,
#if FEATURE_WIN32_REGISTRY
            GetRegistrySubKeyNames getRegistrySubKeyNames,
            GetRegistrySubKeyDefaultValue getRegistrySubKeyDefaultValue,
            OpenBaseKey openBaseKey,
#endif
            InstalledAssemblies installedAssemblies,
            GetAssemblyRuntimeVersion getRuntimeVersion,
            Version targetedRuntimeVersion,
            GetAssemblyPathInGac getAssemblyPathInGac,
            TaskLoggingHelper log
        )
        {
            var resolvers = new Resolver[searchPaths.Length];

            for (int p = 0; p < searchPaths.Length; ++p)
            {
                string basePath = searchPaths[p];

                // Was {HintPathFromItem} specified? If so, take the Item's
                // HintPath property.
                if (0 == String.Compare(basePath, AssemblyResolutionConstants.hintPathSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new HintPathResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.frameworkPathSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new FrameworkPathResolver(frameworkPaths, installedAssemblies, searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.rawFileNameSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new RawFilenameResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.candidateAssemblyFilesSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new CandidateAssemblyFilesResolver(candidateAssemblyFiles, searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
#if FEATURE_GAC
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.gacSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new GacResolver(targetProcessorArchitecture, searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion, getAssemblyPathInGac);
                }
#endif
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.assemblyFoldersSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new AssemblyFoldersResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
#if FEATURE_WIN32_REGISTRY
                // Check for AssemblyFoldersEx sentinel.
                else if (0 == String.Compare(basePath, 0, AssemblyResolutionConstants.assemblyFoldersExSentinel, 0, AssemblyResolutionConstants.assemblyFoldersExSentinel.Length, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new AssemblyFoldersExResolver(searchPaths[p], getAssemblyName, fileExists, getRegistrySubKeyNames, getRegistrySubKeyDefaultValue, getRuntimeVersion, openBaseKey, targetedRuntimeVersion, targetProcessorArchitecture, true, buildEngine);
                }
#endif
                else if (0 == String.Compare(basePath, 0, AssemblyResolutionConstants.assemblyFoldersFromConfigSentinel, 0, AssemblyResolutionConstants.assemblyFoldersFromConfigSentinel.Length, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new AssemblyFoldersFromConfigResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion, targetProcessorArchitecture, true, buildEngine, log);
                }
                else
                {
                    resolvers[p] = new DirectoryResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
            }
            return(resolvers);
        }
 /// <summary>
 /// Construct.
 /// </summary>
 /// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64, the processor architecture being targeted.</param>
 /// <param name="searchPathElement">The search path element.</param>
 /// <param name="getAssemblyName">Delegate to get the assembly name object.</param>
 /// <param name="fileExists">Delegate to check if the file exists.</param>
 /// <param name="getRuntimeVersion">Delegate to get the runtime version.</param>
 /// <param name="targetedRuntimeVesion">The targeted runtime version.</param>
 /// <param name="getAssemblyPathInGac">Delegate to get assembly path in the GAC.</param>
 public GacResolver(System.Reflection.ProcessorArchitecture targetProcessorArchitecture, string searchPathElement, GetAssemblyName getAssemblyName, FileExists fileExists, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntimeVesion, GetAssemblyPathInGac getAssemblyPathInGac)
     : base(searchPathElement, getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVesion, targetProcessorArchitecture, true)
 {
     _getAssemblyPathInGac = getAssemblyPathInGac;
 }
Beispiel #6
0
        /// <summary>
        /// Figure out the what the CopyLocal state of given assembly should be.
        /// </summary>
        /// <param name="assemblyName">The name of the assembly.</param>
        /// <param name="frameworkPaths">The framework paths.</param>
        /// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64.</param>
        /// <param name="getRuntimeVersion">Delegate to get runtime version.</param>
        /// <param name="targetedRuntimeVersion">The targeted runtime version.</param>
        /// <param name="fileExists">Delegate to check if a file exists.</param>
        /// <param name="getAssemblyPathInGac">Delegate to get the path to an assembly in the system GAC.</param>
        /// <param name="copyLocalDependenciesWhenParentReferenceInGac">if set to true, copy local dependencies when only parent reference in gac.</param>
        /// <param name="doNotCopyLocalIfInGac">If set to true, do not copy local a reference that exists in the GAC (legacy behavior).</param>
        /// <param name="referenceTable">The reference table.</param>
        internal void SetFinalCopyLocalState
        (
            AssemblyNameExtension assemblyName,
            string[] frameworkPaths,
            ProcessorArchitecture targetProcessorArchitecture,
            GetAssemblyRuntimeVersion getRuntimeVersion,
            Version targetedRuntimeVersion,
            FileExists fileExists,
            GetAssemblyPathInGac getAssemblyPathInGac,
            bool copyLocalDependenciesWhenParentReferenceInGac,
            bool doNotCopyLocalIfInGac,
            ReferenceTable referenceTable
        )
        {
            // If this item was unresolvable, then copy-local is false.
            if (IsUnresolvable)
            {
                _copyLocalState = CopyLocalState.NoBecauseUnresolved;
                return;
            }

            if (EmbedInteropTypes)
            {
                _copyLocalState = CopyLocalState.NoBecauseEmbedded;
                return;
            }

            // If this item was a conflict victim, then it should not be copy-local.
            if (IsConflictVictim)
            {
                _copyLocalState = CopyLocalState.NoBecauseConflictVictim;
                return;
            }

            // If this is a primary reference then see if there's a Private metadata on the source item
            if (IsPrimary)
            {
                bool found;
                bool result = MetadataConversionUtilities.TryConvertItemMetadataToBool
                    (
                        PrimarySourceItem,
                        ItemMetadataNames.privateMetadata,
                        out found
                    );

                if (found)
                {
                    _copyLocalState = result
                        ? CopyLocalState.YesBecauseReferenceItemHadMetadata
                        : CopyLocalState.NoBecauseReferenceItemHadMetadata;
                    return;
                }
            }
            else
            {
                // This is a dependency. If any primary reference that lead to this dependency
                // has Private=false, then this dependency should false too.
                bool privateTrueFound = false;
                bool privateFalseFound = false;
                foreach (DictionaryEntry entry in _sourceItems)
                {
                    bool found;
                    bool result = MetadataConversionUtilities.TryConvertItemMetadataToBool
                        (
                            (ITaskItem)entry.Value,
                            ItemMetadataNames.privateMetadata,
                            out found
                        );

                    if (found)
                    {
                        if (result)
                        {
                            privateTrueFound = true;

                            // Once we hit this once we know there will be no modification to CopyLocal state.
                            // so we can immediately...
                            break;
                        }
                        else
                        {
                            privateFalseFound = true;
                        }
                    }
                }

                if (privateFalseFound && !privateTrueFound)
                {
                    _copyLocalState = CopyLocalState.NoBecauseReferenceItemHadMetadata;
                    return;
                }
            }

            // If the item was determined to be an prereq assembly.
            if (IsPrerequisite && !UserRequestedSpecificFile)
            {
                _copyLocalState = CopyLocalState.NoBecausePrerequisite;
                return;
            }

            // Items in the frameworks directory shouldn't be copy-local
            if (IsFrameworkFile(_fullPath, frameworkPaths))
            {
                _copyLocalState = CopyLocalState.NoBecauseFrameworkFile;
                return;
            }

            // We are a dependency, check to see if all of our parent references have come from the GAC
            if (!IsPrimary && !copyLocalDependenciesWhenParentReferenceInGac)
            {
                // Did we discover a parent reference which was not found in the GAC
                bool foundSourceItemNotInGac = false;

                // Go through all of the parent source items and check to see if they were found in the GAC
                foreach (DictionaryEntry entry in _sourceItems)
                {
                    AssemblyNameExtension primaryAssemblyName = referenceTable.GetReferenceFromItemSpec((string)entry.Key);
                    Reference primaryReference = referenceTable.GetReference(primaryAssemblyName);

                    if (doNotCopyLocalIfInGac)
                    {
                        // Legacy behavior, don't copy local if the assembly is in the GAC at all
                        if (!primaryReference.FoundInGac.HasValue)
                        {
                            primaryReference.FoundInGac = !string.IsNullOrEmpty(getAssemblyPathInGac(primaryAssemblyName, targetProcessorArchitecture, getRuntimeVersion, targetedRuntimeVersion, fileExists, true, false));
                        }

                        if (!primaryReference.FoundInGac.Value)
                        {
                            foundSourceItemNotInGac = true;
                            break;
                        }
                    }
                    else
                    {
                    if (!primaryReference.ResolvedFromGac)
                    {
                        foundSourceItemNotInGac = true;
                        break;
                    }
                }
                }

                // All parent source items were found in the GAC.
                if (!foundSourceItemNotInGac)
                {
                    _copyLocalState = CopyLocalState.NoBecauseParentReferencesFoundInGAC;
                    return;
                }
            }

            if (doNotCopyLocalIfInGac)
            {
                // Legacy behavior, don't copy local if the assembly is in the GAC at all
                if (!FoundInGac.HasValue)
                {
                    FoundInGac = !string.IsNullOrEmpty(getAssemblyPathInGac(assemblyName, targetProcessorArchitecture, getRuntimeVersion, targetedRuntimeVersion, fileExists, true, false));
                }

                if (FoundInGac.Value)
                {
                    _copyLocalState = CopyLocalState.NoBecauseReferenceFoundInGAC;
                    return;
                }
            }

            if (ResolvedFromGac)
            {
                _copyLocalState = CopyLocalState.NoBecauseReferenceResolvedFromGAC;
                return;
            }

            //  It was resolved locally, so copy it.
            _copyLocalState = CopyLocalState.YesBecauseOfHeuristic;
        }
Beispiel #7
0
 /// <summary>
 /// Construct.
 /// </summary>
 /// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64, the processor architecture being targeted.</param>
 /// <param name="searchPathElement">The search path element.</param>
 /// <param name="getAssemblyName">Delegate to get the assembly name object.</param>
 /// <param name="fileExists">Delegate to check if the file exists.</param>
 /// <param name="getRuntimeVersion">Delegate to get the runtime version.</param>
 /// <param name="targetedRuntimeVesion">The targeted runtime version.</param>
 /// <param name="getAssemblyPathInGac">Delegate to get assembly path in the GAC.</param>
 public GacResolver(System.Reflection.ProcessorArchitecture targetProcessorArchitecture, string searchPathElement, GetAssemblyName getAssemblyName, FileExists fileExists, GetAssemblyRuntimeVersion getRuntimeVersion, Version targetedRuntimeVesion, GetAssemblyPathInGac getAssemblyPathInGac)
     : base(searchPathElement, getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVesion, targetProcessorArchitecture, true)
 {
     _getAssemblyPathInGac = getAssemblyPathInGac;
 }
Beispiel #8
0
        /// <summary>
        /// Compile search paths into an array of resolvers.
        /// </summary>
        /// <param name="searchPaths"></param>
        /// <param name="candidateAssemblyFiles">Paths to assembly files mentioned in the project.</param>
        /// <param name="targetProcessorArchitecture">Like x86 or IA64\AMD64, the processor architecture being targetted.</param>
        /// <param name="frameworkPaths">Paths to FX folders.</param>
        /// <param name="fileExists"></param>
        /// <param name="getAssemblyName"></param>
        /// <param name="getRegistrySubKeyNames"></param>
        /// <param name="getRegistrySubKeyDefaultValue"></param>
        /// <param name="installedAssemblies"></param>
        /// <returns></returns>
        public static Resolver[] CompileSearchPaths
        (
            IBuildEngine buildEngine,
            string[] searchPaths,
            string[] candidateAssemblyFiles,
            System.Reflection.ProcessorArchitecture targetProcessorArchitecture,
            string[] frameworkPaths,
            FileExists fileExists,
            GetAssemblyName getAssemblyName,
            GetRegistrySubKeyNames getRegistrySubKeyNames,
            GetRegistrySubKeyDefaultValue getRegistrySubKeyDefaultValue,
            OpenBaseKey openBaseKey,
            InstalledAssemblies installedAssemblies,
            GetAssemblyRuntimeVersion getRuntimeVersion,
            Version targetedRuntimeVersion,
            GetAssemblyPathInGac getAssemblyPathInGac,
            TaskLoggingHelper log
        )
        {
            Resolver[] resolvers = new Resolver[searchPaths.Length];

            for (int p = 0; p < searchPaths.Length; ++p)
            {
                string basePath = searchPaths[p];

                // Was {HintPathFromItem} specified? If so, take the Item's
                // HintPath property.
                if (0 == String.Compare(basePath, AssemblyResolutionConstants.hintPathSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new HintPathResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.frameworkPathSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new FrameworkPathResolver(frameworkPaths, installedAssemblies, searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.rawFileNameSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new RawFilenameResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.candidateAssemblyFilesSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new CandidateAssemblyFilesResolver(candidateAssemblyFiles, searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.gacSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new GacResolver(targetProcessorArchitecture, searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion, getAssemblyPathInGac);
                }
                else if (0 == String.Compare(basePath, AssemblyResolutionConstants.assemblyFoldersSentinel, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new AssemblyFoldersResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
                // Check for AssemblyFoldersEx sentinel.
                else if (0 == String.Compare(basePath, 0, AssemblyResolutionConstants.assemblyFoldersExSentinel, 0, AssemblyResolutionConstants.assemblyFoldersExSentinel.Length, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new AssemblyFoldersExResolver(searchPaths[p], getAssemblyName, fileExists, getRegistrySubKeyNames, getRegistrySubKeyDefaultValue, getRuntimeVersion, openBaseKey, targetedRuntimeVersion, targetProcessorArchitecture, true, buildEngine);
                }
                else if (0 == String.Compare(basePath, 0, AssemblyResolutionConstants.assemblyFoldersFromConfigSentinel, 0, AssemblyResolutionConstants.assemblyFoldersFromConfigSentinel.Length, StringComparison.OrdinalIgnoreCase))
                {
                    resolvers[p] = new AssemblyFoldersFromConfigResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion, targetProcessorArchitecture, true, buildEngine, log);
                }
                else
                {
                    resolvers[p] = new DirectoryResolver(searchPaths[p], getAssemblyName, fileExists, getRuntimeVersion, targetedRuntimeVersion);
                }
            }
            return resolvers;
        }