AjScript.Interpreter.Parser.ParseFunctionExpression C# (CSharp) Метод

        private FunctionExpression ParseFunctionExpression()
        {
            string name = null;

            if (this.TryPeekName())
            {
                Token token = this.lexer.NextToken();
                name = token.Value;
            }

            IList<ICommand> currentHoistedCommands = this.hoistedCommands;
            this.hoistedCommands = new List<ICommand>();

            try
            {
                IList<string> arguments = this.ParseArgumentNames();
                this.Parse(TokenType.Delimiter, "{");
                CompositeCommand command = this.ParseCompositeCommand();

                // TODO Review, should be 0
                if (command.HoistedCommandCount > 0)
                    throw new ParserException("Invalid command");
                command = new CompositeCommand(this.hoistedCommands, command.Commands);
                return new FunctionExpression(name, arguments.ToArray(), command);
            }
            finally
            {
                this.hoistedCommands = currentHoistedCommands;
            }
        }