internal virtual RazorSyntaxTree ParseDocument(RazorLanguageVersion version, string document, IEnumerable <DirectiveDescriptor> directives, bool designTime = false, RazorParserFeatureFlags featureFlags = null) { directives = directives ?? Array.Empty <DirectiveDescriptor>(); var source = TestRazorSourceDocument.Create(document, filePath: null, relativePath: null, normalizeNewLines: true); var options = CreateParserOptions(version, directives, designTime, featureFlags); var context = new ParserContext(source, options); var codeParser = new CSharpCodeParser(directives, context); var markupParser = new HtmlMarkupParser(context); codeParser.HtmlParser = markupParser; markupParser.CodeParser = codeParser; var root = markupParser.ParseDocument().CreateRed(); var diagnostics = context.ErrorSink.Errors; var codeDocument = RazorCodeDocument.Create(source); var syntaxTree = RazorSyntaxTree.Create(root, source, diagnostics, options); codeDocument.SetSyntaxTree(syntaxTree); var defaultDirectivePass = new DefaultDirectiveSyntaxTreePass(); syntaxTree = defaultDirectivePass.Execute(codeDocument, syntaxTree); return(syntaxTree); }