Function read_string

lib/parse-js.js:432–461

()

    };

    function read_string() {
        return with_eof_error("Unterminated string constant", function(){
            var quote = next(), ret = "";
            for (;;) {
                var ch = next(true);
                if (ch == "\\") {
                    // read OctalEscapeSequence (XXX: deprecated if "strict mode")
                    // https://github.com/mishoo/UglifyJS/issues/178
                    var octal_len = 0, first = null;
                    ch = read_while(function(ch){
                        if (ch >= "0" && ch <= "7") {
                            if (!first) {
                                first = ch;
                                return ++octal_len;
                            }
                            else if (first <= "3" && octal_len <= 2) return ++octal_len;
                            else if (first >= "4" && octal_len <= 1) return ++octal_len;
                        }
                        return false;
                    });
                    if (octal_len > 0) ch = String.fromCharCode(parseInt(ch, 8));
                    else ch = read_escaped_char(true);
                }
                else if (ch == quote) break;
                else if (ch == "\n") throw EX_EOF;
                ret += ch;
            }
            return token("string", ret);
        });
    };

    function read_line_comment() {
        next();