Function as_name

front-end/UglifyJS/parse-js.js:1077–1087

()

        };

        function as_name() {
                switch (S.token.type) {
                    case "name":
                    case "operator":
                    case "keyword":
                    case "atom":
                        return prog1(S.token.value, next);
                    default:
                        unexpected();
                }
        };

        function subscripts(expr, allow_calls) {
                if (is("punc", ".")) {