private static bool CheckCore(
string baseDirectory,
IEnumerable <CommandLineAnalyzerReference> analyzerReferences,
IAnalyzerAssemblyLoader loader,
ICompilerServerLogger?logger,
[NotNullWhen(false)]
out List <string>?errorMessages)
{
errorMessages = null;
var resolvedPaths = new List <string>();
foreach (var analyzerReference in analyzerReferences)
{
string?resolvedPath = FileUtilities.ResolveRelativePath(analyzerReference.FilePath, basePath: null, baseDirectory: baseDirectory, searchPaths: SpecializedCollections.EmptyEnumerable <string>(), fileExists: File.Exists);
if (resolvedPath != null)
{
resolvedPath = FileUtilities.TryNormalizeAbsolutePath(resolvedPath);
if (resolvedPath != null)
{
resolvedPaths.Add(resolvedPath);
}
}
// Don't worry about paths we can't resolve. The compiler will report an error for that later.
}
// Register analyzers and their dependencies upfront,
// so that assembly references can be resolved:
foreach (var resolvedPath in resolvedPaths)
{
loader.AddDependencyLocation(resolvedPath);
}
// Load all analyzer assemblies:
var loadedAssemblies = new List <Assembly>();
foreach (var resolvedPath in resolvedPaths)
{
loadedAssemblies.Add(loader.LoadFromPath(resolvedPath));
}
// Third, check that the MVIDs of the files on disk match the MVIDs of the loaded assemblies.
for (int i = 0; i < resolvedPaths.Count; i++)
{
var resolvedPath = resolvedPaths[i];
var loadedAssembly = loadedAssemblies[i];
var resolvedPathMvid = AssemblyUtilities.ReadMvid(resolvedPath);
var loadedAssemblyMvid = loadedAssembly.ManifestModule.ModuleVersionId;
if (resolvedPathMvid != loadedAssemblyMvid)
{
var message = $"analyzer assembly '{resolvedPath}' has MVID '{resolvedPathMvid}' but loaded assembly '{loadedAssembly.FullName}' has MVID '{loadedAssemblyMvid}'";
errorMessages ??= new List <string>();
errorMessages.Add(message);
}
}
return(errorMessages == null);
}
public Assembly GetAssembly()
{
if (_lazyAssembly == null)
{
_lazyAssembly = _assemblyLoader.LoadFromPath(_fullPath);
}
return(_lazyAssembly);
}
/// <summary>
/// Instantiates a single plugin based on an attribute that implements <see cref="ICompilerPluginAttribute"/>.
/// </summary>
private ICompilerPlugin InstantiatePlugin(Compilation compilation, AttributeData attribute)
{
INamedTypeSymbol attributeClass = attribute.AttributeClass;
string assemblyPath = GetAssemblyPath(compilation, attributeClass.ContainingAssembly);
Assembly assembly = _assemblyLoader.LoadFromPath(assemblyPath);
string attributeName = attributeClass.ToDisplayString(SymbolDisplayFormat.QualifiedNameOnlyFormat);
Type attributeType = assembly.GetType(attributeName);
var instance = (ICompilerPluginAttribute)Activator.CreateInstance(attributeType);
return(instance.Create());
}
public Assembly LoadFromPath(string fullPath)
{
try {
// We want to load the analyzer assembly assets in default context.
// Use Assembly.Load instead of Assembly.LoadFrom to ensure that if the assembly is ngen'ed, then the native image gets loaded.
return(Assembly.Load(AssemblyName.GetAssemblyName(fullPath)));
} catch (Exception) {
// Use the fallback loader if we fail to load the assembly in the default context.
return(fallbackLoader.LoadFromPath(fullPath));
}
}
private static bool CheckCore(string baseDirectory, IEnumerable <CommandLineAnalyzerReference> analyzerReferences, IAnalyzerAssemblyLoader loader, IEnumerable <string> ignorableReferenceNames)
{
var resolvedPaths = new List <string>();
foreach (var analyzerReference in analyzerReferences)
{
string resolvedPath = FileUtilities.ResolveRelativePath(analyzerReference.FilePath, basePath: null, baseDirectory: baseDirectory, searchPaths: SpecializedCollections.EmptyEnumerable <string>(), fileExists: File.Exists);
if (resolvedPath != null)
{
resolvedPath = FileUtilities.TryNormalizeAbsolutePath(resolvedPath);
if (resolvedPath != null)
{
resolvedPaths.Add(resolvedPath);
}
}
// Don't worry about paths we can't resolve. The compiler will report an error for that later.
}
// First, check that the set of references is complete, modulo items in the safe list.
foreach (var resolvedPath in resolvedPaths)
{
var missingDependencies = AssemblyUtilities.IdentifyMissingDependencies(resolvedPath, resolvedPaths);
foreach (var missingDependency in missingDependencies)
{
if (!ignorableReferenceNames.Any(name => missingDependency.Name.StartsWith(name)))
{
CompilerServerLogger.Log($"Analyzer assembly {resolvedPath} depends on '{missingDependency}' but it was not found.");
return(false);
}
}
}
// Register analyzers and their dependencies upfront,
// so that assembly references can be resolved:
foreach (var resolvedPath in resolvedPaths)
{
loader.AddDependencyLocation(resolvedPath);
}
// Load all analyzer assemblies:
var loadedAssemblies = new List <Assembly>();
foreach (var resolvedPath in resolvedPaths)
{
loadedAssemblies.Add(loader.LoadFromPath(resolvedPath));
}
// Third, check that the MVIDs of the files on disk match the MVIDs of the loaded assemblies.
for (int i = 0; i < resolvedPaths.Count; i++)
{
var resolvedPath = resolvedPaths[i];
var loadedAssembly = loadedAssemblies[i];
var resolvedPathMvid = AssemblyUtilities.ReadMvid(resolvedPath);
var loadedAssemblyMvid = loadedAssembly.ManifestModule.ModuleVersionId;
if (resolvedPathMvid != loadedAssemblyMvid)
{
CompilerServerLogger.Log($"Analyzer assembly {resolvedPath} has MVID '{resolvedPathMvid}' but loaded assembly '{loadedAssembly.FullName}' has MVID '{loadedAssemblyMvid}'.");
return(false);
}
}
return(true);
}
private static bool CheckCore(string baseDirectory, IEnumerable<CommandLineAnalyzerReference> analyzerReferences, IAnalyzerAssemblyLoader loader, IEnumerable<string> ignorableReferenceNames)
{
var resolvedPaths = new List<string>();
foreach (var analyzerReference in analyzerReferences)
{
string resolvedPath = FileUtilities.ResolveRelativePath(analyzerReference.FilePath, basePath: null, baseDirectory: baseDirectory, searchPaths: SpecializedCollections.EmptyEnumerable<string>(), fileExists: File.Exists);
if (File.Exists(resolvedPath))
{
resolvedPath = FileUtilities.TryNormalizeAbsolutePath(resolvedPath);
if (resolvedPath != null)
{
resolvedPaths.Add(resolvedPath);
}
}
// Don't worry about paths we can't resolve. The compiler will report an error for that later.
}
// First, check that the set of references is complete, modulo items in the safe list.
foreach (var resolvedPath in resolvedPaths)
{
var missingDependencies = AssemblyUtilities.IdentifyMissingDependencies(resolvedPath, resolvedPaths);
foreach (var missingDependency in missingDependencies)
{
if (!ignorableReferenceNames.Any(name => missingDependency.Name.StartsWith(name)))
{
CompilerServerLogger.Log($"Analyzer assembly {resolvedPath} depends on '{missingDependency}' but it was not found.");
return false;
}
}
}
// Second, load all of the assemblies upfront.
foreach (var resolvedPath in resolvedPaths)
{
loader.AddDependencyLocation(resolvedPath);
}
var loadedAssemblies = new List<Assembly>();
foreach (var resolvedPath in resolvedPaths)
{
loadedAssemblies.Add(loader.LoadFromPath(resolvedPath));
}
// Third, check that the MVIDs of the files on disk match the MVIDs of the loaded assemblies.
for (int i = 0; i < resolvedPaths.Count; i++)
{
var resolvedPath = resolvedPaths[i];
var loadedAssembly = loadedAssemblies[i];
var resolvedPathMvid = AssemblyUtilities.ReadMvid(resolvedPath);
var loadedAssemblyMvid = loadedAssembly.ManifestModule.ModuleVersionId;
if (resolvedPathMvid != loadedAssemblyMvid)
{
CompilerServerLogger.Log($"Analyzer assembly {resolvedPath} has MVID '{resolvedPathMvid}' but loaded assembly '{loadedAssembly.FullName}' has MVID '{loadedAssemblyMvid}'.");
return false;
}
}
return true;
}
public Assembly LoadFromPath(string fullPath) => _desktopLoader.LoadFromPath(ResolvePath(fullPath));
public Assembly LoadFromPath(string fullPath)
{
return(_impl.LoadFromPath(fullPath));
}