private Assembly AddToCache(Assembly assembly, string fullPath, AssemblyIdentity identity)
{
Debug.Assert(PathUtilities.IsAbsolute(fullPath));
Debug.Assert(assembly != null);
identity = AddToCache(fullPath, identity ?? AssemblyIdentity.FromAssemblyDefinition(assembly));
Debug.Assert(identity != null);
lock (_guard) {
// The same assembly may be loaded from two different full paths (e.g. when loaded from GAC, etc.),
// or another thread might have loaded the assembly after we checked above.
if (_loadedAssembliesByIdentity.TryGetValue(identity, out var existingAssembly))
{
assembly = existingAssembly;
}
else
{
_loadedAssembliesByIdentity.Add(identity, assembly);
}
// An assembly file might be replaced by another file with a different identity.
// Last one wins.
_loadedAssembliesByPath[fullPath] = assembly;
return(assembly);
}
}
internal void AddAssembliesToReference(IEnumerable <Assembly> assemblies)
{
AddAssembliesToReference
(
assemblies,
(assembly) => AssemblyIdentity.FromAssemblyDefinition(assembly),
(assembly) => assembly.ToRef()
);
}
public void FromAssemblyDefinitionInvalidParameters()
{
Assembly asm = null;
Assert.Throws <ArgumentNullException>(
() =>
{
AssemblyIdentity.FromAssemblyDefinition(asm);
}
);
}
/// <summary>
/// Determines whether this help item is about a type that is contained in one of the provided assemblies.
/// </summary>
/// <param name="assemblies">The assemblies to test.</param>
/// <returns>If the help item concerns an issue that is in one of the provided assemblies, then this assembly is returned; otherwise, the return value is null.</returns>
public System.Reflection.Assembly GetOneOfTheseAssembliesOrNull(IEnumerable <System.Reflection.Assembly> assemblies)
{
foreach (var ass in assemblies)
{
if (AssemblyIdentity == AssemblyIdentity.FromAssemblyDefinition(ass))
{
return(ass);
}
}
return(null);
}
public void FromAssemblyDefinition_InvariantCulture()
{
var name = new AssemblyName("goo");
name.Flags = AssemblyNameFlags.None;
name.CultureInfo = CultureInfo.InvariantCulture;
name.ContentType = AssemblyContentType.Default;
name.Version = new Version(1, 2, 3, 4);
name.ProcessorArchitecture = ProcessorArchitecture.X86;
var id = AssemblyIdentity.FromAssemblyDefinition(name);
Assert.Equal("", id.CultureName);
}
private Assembly TryGetAssemblyLoadedFromPath(AssemblyIdentity identity, string directory)
{
string pathWithoutExtension = Path.Combine(directory, identity.Name);
foreach (var extension in RuntimeMetadataReferenceResolver.AssemblyExtensions)
{
if (_assembliesLoadedFromLocationByFullPath.TryGetValue(pathWithoutExtension + extension, out var assemblyAndLocation) &&
identity.Equals(AssemblyIdentity.FromAssemblyDefinition(assemblyAndLocation.Assembly)))
{
return(assemblyAndLocation.Assembly);
}
}
return(null);
}
private void RegisterLoadedAssemblySimpleNameNoLock(Assembly assembly, string locationOpt)
{
var identity = AssemblyIdentity.FromAssemblyDefinition(assembly);
var info = new LoadedAssemblyInfo(assembly, identity, locationOpt);
if (_loadedAssembliesBySimpleName.TryGetValue(identity.Name, out var existingInfos))
{
existingInfos.Add(info);
}
else
{
_loadedAssembliesBySimpleName.Add(identity.Name, new List <LoadedAssemblyInfo> {
info
});
}
}
private static Assembly FindHighestVersionOrFirstMatchingIdentity(AssemblyIdentity identity, IEnumerable <Assembly> assemblies)
{
Assembly candidate = null;
Version candidateVersion = null;
foreach (var assembly in assemblies)
{
var assemblyIdentity = AssemblyIdentity.FromAssemblyDefinition(assembly);
if (DesktopAssemblyIdentityComparer.Default.ReferenceMatchesDefinition(identity, assemblyIdentity))
{
if (candidate == null || candidateVersion < assemblyIdentity.Version)
{
candidate = assembly;
candidateVersion = assemblyIdentity.Version;
}
}
}
return(candidate);
}
public void FromAssemblyDefinition()
{
var name = new AssemblyName("goo");
name.Flags =
AssemblyNameFlags.Retargetable
| AssemblyNameFlags.PublicKey
| AssemblyNameFlags.EnableJITcompileOptimizer
| AssemblyNameFlags.EnableJITcompileTracking;
name.CultureInfo = new CultureInfo("en-US", useUserOverride: false);
name.ContentType = AssemblyContentType.Default;
name.Version = new Version(1, 2, 3, 4);
name.ProcessorArchitecture = ProcessorArchitecture.X86;
var id = AssemblyIdentity.FromAssemblyDefinition(name);
Assert.Equal("goo", id.Name);
Assert.True(id.IsRetargetable);
Assert.Equal(new Version(1, 2, 3, 4), id.Version);
Assert.Equal(AssemblyContentType.Default, id.ContentType);
Assert.False(id.HasPublicKey);
Assert.False(id.IsStrongName);
name = new AssemblyName("goo");
name.SetPublicKey(PublicKey1);
name.Version = new Version(1, 2, 3, 4);
id = AssemblyIdentity.FromAssemblyDefinition(name);
Assert.Equal("goo", id.Name);
Assert.Equal(new Version(1, 2, 3, 4), id.Version);
Assert.True(id.HasPublicKey);
Assert.True(id.IsStrongName);
AssertEx.Equal(id.PublicKey, PublicKey1);
name = new AssemblyName("goo");
name.ContentType = AssemblyContentType.WindowsRuntime;
id = AssemblyIdentity.FromAssemblyDefinition(name);
Assert.Equal("goo", id.Name);
Assert.Equal(AssemblyContentType.WindowsRuntime, id.ContentType);
}
// Method is static to prevent accidental use of mutable state in this class
private static void AnalyzeAndReportConflictsInSolution(
Solution solution,
ImmutableHashSet <string> currentAnalyzerPaths,
HostDiagnosticUpdateSource hostDiagnosticUpdateSource,
CancellationToken cancellationToken)
{
var loadedAssemblies = AppDomain.CurrentDomain.GetAssemblies().Select(assembly => AssemblyIdentity.FromAssemblyDefinition(assembly));
var loadedAssembliesList = new IgnorableAssemblyIdentityList(loadedAssemblies);
var ignorableAssemblyLists = new[] { s_systemPrefixList, s_codeAnalysisPrefixList, s_explicitlyIgnoredAssemblyList, s_assembliesIgnoredByNameList, loadedAssembliesList };
cancellationToken.ThrowIfCancellationRequested();
var results = AnalyzerDependencyChecker.ComputeDependencyConflicts(currentAnalyzerPaths, ignorableAssemblyLists, s_bindingRedirectionService, cancellationToken);
var builder = ImmutableArray.CreateBuilder <DiagnosticData>();
var conflicts = results.Conflicts;
var missingDependencies = results.MissingDependencies;
foreach (var project in solution.Projects)
{
builder.Clear();
// If our analysis has been cancelled, it means another request has been queued behind us; thus it's OK to stop
// doing the analysis now and let that other one fix up any stale results.
cancellationToken.ThrowIfCancellationRequested();
var analyzerFilePaths = new HashSet <string>(
project.AnalyzerReferences
.OfType <AnalyzerFileReference>()
.Select(f => f.FullPath),
StringComparer.OrdinalIgnoreCase);
foreach (var conflict in conflicts)
{
if (analyzerFilePaths.Contains(conflict.AnalyzerFilePath1) ||
analyzerFilePaths.Contains(conflict.AnalyzerFilePath2))
{
var messageArguments = new string[] { conflict.AnalyzerFilePath1, conflict.AnalyzerFilePath2, conflict.Identity.ToString() };
if (DiagnosticData.TryCreate(s_analyzerDependencyConflictRule, messageArguments, project.Id, solution.Workspace, out var diagnostic))
{
builder.Add(diagnostic);
}
}
}
foreach (var missingDependency in missingDependencies)
{
if (analyzerFilePaths.Contains(missingDependency.AnalyzerPath))
{
var messageArguments = new string[] { missingDependency.AnalyzerPath, missingDependency.DependencyIdentity.ToString() };
if (DiagnosticData.TryCreate(s_missingAnalyzerReferenceRule, messageArguments, project.Id, solution.Workspace, out var diagnostic))
{
builder.Add(diagnostic);
}
}
}
hostDiagnosticUpdateSource.UpdateDiagnosticsForProject(project.Id, s_dependencyConflictErrorId, builder.ToImmutable());
}
foreach (var conflict in conflicts)
{
LogConflict(conflict);
}
foreach (var missingDependency in missingDependencies)
{
LogMissingDependency(missingDependency);
}
}
/// <summary>
/// Resolves <see cref="System.Type"/> to a <see cref="TypeSymbol"/> available in this assembly
/// its referenced assemblies.
/// </summary>
/// <param name="type">The type to resolve.</param>
/// <param name="includeReferences">Use referenced assemblies for resolution.</param>
/// <returns>The resolved symbol if successful or null on failure.</returns>
internal TypeSymbol GetTypeByReflectionType(Type type, bool includeReferences)
{
System.Reflection.TypeInfo typeInfo = type.GetTypeInfo();
Debug.Assert(!typeInfo.IsByRef);
// not supported rigth now (we don't accept open types as submission results nor host types):
Debug.Assert(!typeInfo.ContainsGenericParameters);
if (typeInfo.IsArray)
{
TypeSymbol symbol = GetTypeByReflectionType(typeInfo.GetElementType(), includeReferences);
if ((object)symbol == null)
{
return(null);
}
int rank = typeInfo.GetArrayRank();
return(new ArrayTypeSymbol(this, symbol, ImmutableArray <CustomModifier> .Empty, rank));
}
else if (typeInfo.IsPointer)
{
TypeSymbol symbol = GetTypeByReflectionType(typeInfo.GetElementType(), includeReferences);
if ((object)symbol == null)
{
return(null);
}
return(new PointerTypeSymbol(symbol));
}
else if (typeInfo.DeclaringType != null)
{
Debug.Assert(!typeInfo.IsArray);
// consolidated generic arguments (includes arguments of all declaring types):
Type[] genericArguments = typeInfo.GenericTypeArguments;
int typeArgumentIndex = 0;
var currentTypeInfo = typeInfo.IsGenericType ? typeInfo.GetGenericTypeDefinition().GetTypeInfo() : typeInfo;
var nestedTypes = ArrayBuilder <System.Reflection.TypeInfo> .GetInstance();
while (true)
{
Debug.Assert(currentTypeInfo.IsGenericTypeDefinition || !currentTypeInfo.IsGenericType);
nestedTypes.Add(currentTypeInfo);
if (currentTypeInfo.DeclaringType == null)
{
break;
}
currentTypeInfo = currentTypeInfo.DeclaringType.GetTypeInfo();
}
int i = nestedTypes.Count - 1;
var symbol = (NamedTypeSymbol)GetTypeByReflectionType(nestedTypes[i].AsType(), includeReferences);
if ((object)symbol == null)
{
return(null);
}
while (--i >= 0)
{
int forcedArity = nestedTypes[i].GenericTypeParameters.Length - nestedTypes[i + 1].GenericTypeParameters.Length;
MetadataTypeName mdName = MetadataTypeName.FromTypeName(nestedTypes[i].Name, forcedArity: forcedArity);
symbol = symbol.LookupMetadataType(ref mdName);
if ((object)symbol == null || symbol.IsErrorType())
{
return(null);
}
symbol = ApplyGenericArguments(symbol, genericArguments, ref typeArgumentIndex, includeReferences);
if ((object)symbol == null)
{
return(null);
}
}
nestedTypes.Free();
Debug.Assert(typeArgumentIndex == genericArguments.Length);
return(symbol);
}
else
{
AssemblyIdentity assemblyId = AssemblyIdentity.FromAssemblyDefinition(typeInfo.Assembly);
MetadataTypeName mdName = MetadataTypeName.FromNamespaceAndTypeName(
typeInfo.Namespace ?? string.Empty,
typeInfo.Name,
forcedArity: typeInfo.GenericTypeArguments.Length);
NamedTypeSymbol symbol = GetTopLevelTypeByMetadataName(ref mdName, assemblyId, includeReferences, isWellKnownType: false);
if ((object)symbol == null || symbol.IsErrorType())
{
return(null);
}
int typeArgumentIndex = 0;
Type[] genericArguments = typeInfo.GenericTypeArguments;
symbol = ApplyGenericArguments(symbol, genericArguments, ref typeArgumentIndex, includeReferences);
Debug.Assert(typeArgumentIndex == genericArguments.Length);
return(symbol);
}
}
private Task <AnalyzerDependencyResults> GetConflictsAsync()
{
ImmutableHashSet <string> currentAnalyzerPaths = _workspace.CurrentSolution
.Projects
.SelectMany(p => p.AnalyzerReferences)
.OfType <AnalyzerFileReference>()
.Select(a => a.FullPath)
.ToImmutableHashSet(StringComparer.OrdinalIgnoreCase);
if (currentAnalyzerPaths.SetEquals(_analyzerPaths))
{
return(_task);
}
_cancellationTokenSource.Cancel();
_cancellationTokenSource = new CancellationTokenSource();
_analyzerPaths = currentAnalyzerPaths;
_task = _task.SafeContinueWith(_ =>
{
IEnumerable <AssemblyIdentity> loadedAssemblies = AppDomain.CurrentDomain.GetAssemblies().Select(assembly => AssemblyIdentity.FromAssemblyDefinition(assembly));
IgnorableAssemblyIdentityList loadedAssembliesList = new IgnorableAssemblyIdentityList(loadedAssemblies);
IIgnorableAssemblyList[] ignorableAssemblyLists = new[] { s_systemPrefixList, s_codeAnalysisPrefixList, s_explicitlyIgnoredAssemblyList, s_assembliesIgnoredByNameList, loadedAssembliesList };
return(new AnalyzerDependencyChecker(currentAnalyzerPaths, ignorableAssemblyLists, _bindingRedirectionService).Run(_cancellationTokenSource.Token));
},
TaskScheduler.Default);
return(_task);
}