/// <summary> /// Exports the specified component to a temporary file, loads, and then parses the exported file. /// </summary> /// <param name="component"></param> public IDictionary<Tuple<string, DeclarationType>, Attributes> Parse(VBComponent component) { var path = _exporter.Export(component); if (!File.Exists(path)) { // a document component without any code wouldn't be exported (file would be empty anyway). return new Dictionary<Tuple<string, DeclarationType>, Attributes>(); } var code = File.ReadAllText(path); File.Delete(path); var type = component.Type == vbext_ComponentType.vbext_ct_StdModule ? DeclarationType.Module : DeclarationType.Class; var listener = new AttributeListener(Tuple.Create(component.Name, type)); var stream = new AntlrInputStream(code); var lexer = new VBALexer(stream); var tokens = new CommonTokenStream(lexer); var parser = new VBAParser(tokens); // parse tree isn't usable for declarations because // line numbers are offset due to module header and attributes // (these don't show up in the VBE, that's why we're parsing an exported file) var tree = parser.startRule(); ParseTreeWalker.Default.Walk(listener, tree); return listener.Attributes; }
public IDictionary <Tuple <string, DeclarationType>, Attributes> Parse(IVBComponent component, CancellationToken token, out ITokenStream stream, out IParseTree tree) { var code = component.CodeModule.Content(); var type = component.Type == ComponentType.StandardModule ? DeclarationType.ProceduralModule : DeclarationType.ClassModule; var tokenStreamProvider = new SimpleVBAModuleTokenStreamProvider(); var tokens = tokenStreamProvider.Tokens(code); var preprocessor = _preprocessorFactory(); preprocessor.PreprocessTokenStream(component.Name, tokens, token); var listener = new AttributeListener(Tuple.Create(component.Name, type)); // parse tree isn't usable for declarations because // line numbers are offset due to module header and attributes // (these don't show up in the VBE, that's why we're parsing an exported file) tree = new VBAModuleParser().Parse(component.Name, tokens, new IParseTreeListener[] { listener }, new ExceptionErrorListener(), out stream); token.ThrowIfCancellationRequested(); return(listener.Attributes); }
public (IParseTree tree, ITokenStream tokenStream, IDictionary <Tuple <string, DeclarationType>, Attributes> attributes) Parse(QualifiedModuleName module, CancellationToken cancellationToken) { var code = _projectsProvider.Component(module).CodeModule.Content(); var type = module.ComponentType == ComponentType.StandardModule ? DeclarationType.ProceduralModule : DeclarationType.ClassModule; var tokenStreamProvider = new SimpleVBAModuleTokenStreamProvider(); var tokens = tokenStreamProvider.Tokens(code); var preprocessor = _preprocessorFactory(); var preprocessingErrorListener = new PreprocessorExceptionErrorListener(module.ComponentName, ParsePass.AttributesPass); preprocessor.PreprocessTokenStream(module.ComponentName, tokens, preprocessingErrorListener, cancellationToken); var listener = new AttributeListener(Tuple.Create(module.ComponentName, type)); // parse tree isn't usable for declarations because // line numbers are offset due to module header and attributes // (these don't show up in the VBE, that's why we're parsing an exported file) var mainParseErrorListener = new MainParseExceptionErrorListener(module.ComponentName, ParsePass.AttributesPass); var parseResults = new VBAModuleParser().Parse(module.Name, tokens, new IParseTreeListener[] { listener }, mainParseErrorListener); cancellationToken.ThrowIfCancellationRequested(); return(parseResults.tree, parseResults.tokenStream, listener.Attributes); }