private Namespace ParseNamespace(TokenStream tokens, TopLevelConstruct owner, FileScope fileScope) { Token namespaceToken = tokens.PopExpected(this.parser.Keywords.NAMESPACE); Token first = tokens.Pop(); this.parser.VerifyIdentifier(first); List <Token> namespacePieces = new List <Token>() { first }; string namespaceBuilder = first.Value; parser.RegisterNamespace(namespaceBuilder); while (tokens.PopIfPresent(".")) { Token nsToken = tokens.Pop(); this.parser.VerifyIdentifier(nsToken); namespacePieces.Add(nsToken); namespaceBuilder += "." + nsToken.Value; parser.RegisterNamespace(namespaceBuilder); } string name = string.Join(".", namespacePieces.Select <Token, string>(t => t.Value)); parser.PushNamespacePrefix(name); Namespace namespaceInstance = new Namespace(namespaceToken, name, owner, parser.CurrentLibrary, fileScope); tokens.PopExpected("{"); List <TopLevelConstruct> namespaceMembers = new List <TopLevelConstruct>(); while (!tokens.PopIfPresent("}")) { TopLevelConstruct executable = this.parser.ExecutableParser.ParseTopLevel(tokens, namespaceInstance, fileScope); if (executable is FunctionDefinition || executable is ClassDefinition || executable is EnumDefinition || executable is ConstStatement || executable is Namespace) { namespaceMembers.Add(executable); } else { throw new ParserException(executable.FirstToken, "Only function, class, and nested namespace declarations may exist as direct members of a namespace."); } } namespaceInstance.Code = namespaceMembers.ToArray(); parser.PopNamespacePrefix(); return(namespaceInstance); }