IronPython.Compiler.Parser.FinishStringPlus C# (CSharp) Метод

        private string FinishStringPlus(string s) {
            Token t = PeekToken();
            while (true) {
                if (t is ConstantValueToken) {
                    string cvs;
                    if ((cvs = t.Value as String) != null) {
                        s += cvs;
                        NextToken();
                        t = PeekToken();
                        continue;
                    } else {
                        ReportSyntaxError("invalid syntax");
                    }
                }
                break;
            }
            return s;
        }