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 void ReadMVid()
        {
            var assembly = Assembly.Load(File.ReadAllBytes(_testFixture.Alpha.Path));

            var result = AssemblyUtilities.ReadMvid(_testFixture.Alpha.Path);

            Assert.Equal(expected: assembly.ManifestModule.ModuleVersionId, actual: result);
        }
Beispiel #3
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        public void ReadMVid()
        {
            var directory = Temp.CreateDirectory();

            var alphaDll = directory.CreateFile("Alpha.dll").WriteAllBytes(TestResources.AssemblyLoadTests.Alpha);

            var assembly = Assembly.Load(File.ReadAllBytes(alphaDll.Path));

            var result = AssemblyUtilities.ReadMvid(alphaDll.Path);

            Assert.Equal(expected: assembly.ManifestModule.ModuleVersionId, actual: result);
        }
Beispiel #4
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        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);
        }