void LoadTasks(MSBuildParserContext context, string label, string filename) { try { var import = context.GetCachedOrParse(label, filename, null, File.GetLastWriteTimeUtc(filename)); AddImport(import); } catch (Exception ex) when(context.IsNotCancellation(ex)) { LoggingService.LogError($"Error loading tasks file {filename}", ex); } }
public static MSBuildRootDocument Parse( ITextSource textSource, string filePath, MSBuildRootDocument previous, MSBuildSchemaProvider schemaProvider, IRuntimeInformation runtimeInfo, ITaskMetadataBuilder taskBuilder, CancellationToken token) { var xmlParser = new XmlTreeParser(new XmlRootState()); var(xdocument, _) = xmlParser.Parse(textSource.CreateReader()); var propVals = new PropertyValueCollector(true); var doc = new MSBuildRootDocument(filePath) { XDocument = xdocument, Text = textSource, RuntimeInformation = runtimeInfo }; var importedFiles = new HashSet <string> (StringComparer.OrdinalIgnoreCase); if (filePath != null) { try { doc.Schema = previous?.Schema ?? schemaProvider.GetSchema(filePath, null); } catch (Exception ex) { LoggingService.LogError("Error loading schema", ex); } importedFiles.Add(filePath); } var parseContext = new MSBuildParserContext( runtimeInfo, doc, previous, importedFiles, filePath, propVals, taskBuilder, schemaProvider, token); if (filePath != null) { doc.FileEvaluationContext = new MSBuildFileEvaluationContext(parseContext.RuntimeEvaluationContext, filePath, filePath); } else { doc.FileEvaluationContext = parseContext.RuntimeEvaluationContext; } string MakeRelativeMSBuildPathAbsolute(string path) { var dir = Path.GetDirectoryName(doc.Filename); path = path.Replace('\\', Path.DirectorySeparatorChar); return(Path.GetFullPath(Path.Combine(dir, path))); } Import TryImportFile(string label, string possibleFile) { try { var fi = new FileInfo(possibleFile); if (fi.Exists) { var imp = parseContext.GetCachedOrParse(label, possibleFile, null, fi.LastWriteTimeUtc); doc.AddImport(imp); return(imp); } } catch (Exception ex) when(parseContext.IsNotCancellation(ex)) { LoggingService.LogError($"Error importing '{possibleFile}'", ex); } return(null); } Import TryImportSibling(string ifHasThisExtension, string thenTryThisExtension) { if (filePath == null) { return(null); } var extension = Path.GetExtension(filePath); if (string.Equals(ifHasThisExtension, extension, StringComparison.OrdinalIgnoreCase)) { var siblingFilename = Path.ChangeExtension(filePath, thenTryThisExtension); return(TryImportFile("(implicit)", siblingFilename)); } return(null); } void TryImportIntellisenseImports(MSBuildSchema schema) { foreach (var intellisenseImport in schema.IntelliSenseImports) { TryImportFile("(from schema)", MakeRelativeMSBuildPathAbsolute(intellisenseImport)); } } try { //if this is a targets file, try to import the props _at the top_ var propsImport = TryImportSibling(".targets", ".props"); // this currently only happens in the root file // it's a quick hack to allow files to get some basic intellisense by // importing the files _that they themselves expect to be imported from_. // we also try to load them from the sibling props, as a paired targets/props // will likely share a schema file. var schema = doc.Schema ?? propsImport?.Document?.Schema; if (schema != null) { TryImportIntellisenseImports(doc.Schema); } doc.Build(xdocument, textSource, parseContext); //if this is a props file, try to import the targets _at the bottom_ var targetsImport = TryImportSibling(".props", ".targets"); //and if we didn't load intellisense import already, try to load them from the sibling targets if (schema == null && targetsImport?.Document?.Schema != null) { TryImportIntellisenseImports(targetsImport.Document.Schema); } } catch (Exception ex) when(parseContext.IsNotCancellation(ex)) { LoggingService.LogError($"Error building document '{filePath ?? "[unnamed]"}'", ex); } try { var binpath = parseContext.RuntimeInformation.BinPath; foreach (var t in Directory.GetFiles(binpath, "*.tasks")) { doc.LoadTasks(parseContext, "(core tasks)", t); } foreach (var t in Directory.GetFiles(binpath, "*.overridetasks")) { doc.LoadTasks(parseContext, "(core overridetasks)", t); } } catch (Exception ex) when(parseContext.IsNotCancellation(ex)) { LoggingService.LogError("Error resolving tasks", ex); } try { if (previous != null) { // try to recover some values that may have been collected from the imports, as they // will not have been re-evaluated var fx = previous.Frameworks.FirstOrDefault(); if (fx != null) { propVals.Collect("TargetFramework", fx.GetShortFolderName()); propVals.Collect("TargetFrameworkVersion", FrameworkInfoProvider.FormatDisplayVersion(fx.Version)); propVals.Collect("TargetFrameworkIdentifier", fx.Framework); } } doc.Frameworks = propVals.GetFrameworks(); } catch (Exception ex) { LoggingService.LogError("Error determining project framework", ex); doc.Frameworks = new List <NuGetFramework> (); } try { //this has to run in a second pass so that it runs after all the schemas are loaded var validator = new MSBuildDocumentValidator(); validator.Run(doc.XDocument, textSource, doc); } catch (Exception ex) when(parseContext.IsNotCancellation(ex)) { LoggingService.LogError("Error in validation", ex); } return(doc); }