97     private Map<String, ThreadData> threadData = new HashMap<>();
  98 
  99     private Pattern threadRegexp = Pattern.compile("^(.+)\\[\\d+\\].*");
 100     private Pattern lineRegexp = Pattern.compile("^(\\d+)\\b.*", Pattern.MULTILINE);
 101 
 102     // returns the 1st group of the pattern.
 103     private String parse(Pattern p, String input) {
 104         Matcher m = p.matcher(input);
 105         if (!m.find()) {
 106             throw new RuntimeException("Input '" + input + "' does not matches '" + p.pattern() + "'");
 107         }
 108         return m.group(1);
 109     }
 110 
 111     private void next() {
 112         List<String> reply = jdb.command(JdbCommand.next());
 113         /*
 114          * Each "next" produces something like ("Breakpoint hit" line only if the line has BP)
 115          *   Step completed:
 116          *     Breakpoint hit: "thread=jj2", DeferredStepTestTarg$jj2.run(), line=74 bci=12
 117          *     74                    ++count2;                           // @2 breakpoint
 118          *     <empty line>
 119          *     jj2[1]
 120          */
 121         // detect thread from the last line
 122         String lastLine = reply.get(reply.size() - 1);
 123         String threadName = parse(threadRegexp, lastLine);
 124         String wholeReply = reply.stream().collect(Collectors.joining(Utils.NEW_LINE));
 125         int lineNum = Integer.parseInt(parse(lineRegexp, wholeReply));
 126 
 127         System.out.println("got: thread=" + threadName + ", line=" + lineNum);
 128 
 129         ThreadData data = threadData.get(threadName);
 130         if (data == null) {
 131             data = new ThreadData();
 132             threadData.put(threadName, data);
 133         }
 134         processThreadData(threadName, lineNum, data);
 135     }
 136 
 137     private void processThreadData(String threadName, int lineNum, ThreadData data) {

  97     private Map<String, ThreadData> threadData = new HashMap<>();
  98 
  99     private Pattern threadRegexp = Pattern.compile("^(.+)\\[\\d+\\].*");
 100     private Pattern lineRegexp = Pattern.compile("^(\\d+)\\b.*", Pattern.MULTILINE);
 101 
 102     // returns the 1st group of the pattern.
 103     private String parse(Pattern p, String input) {
 104         Matcher m = p.matcher(input);
 105         if (!m.find()) {
 106             throw new RuntimeException("Input '" + input + "' does not matches '" + p.pattern() + "'");
 107         }
 108         return m.group(1);
 109     }
 110 
 111     private void next() {
 112         List<String> reply = jdb.command(JdbCommand.next());
 113         /*
 114          * Each "next" produces something like ("Breakpoint hit" line only if the line has BP)
 115          *   Step completed:
 116          *     Breakpoint hit: "thread=jj2", DeferredStepTestTarg$jj2.run(), line=74 bci=12
 117          *     74                    ++count2;                           // @ 2 breakpoint
 118          *     <empty line>
 119          *     jj2[1]
 120          */
 121         // detect thread from the last line
 122         String lastLine = reply.get(reply.size() - 1);
 123         String threadName = parse(threadRegexp, lastLine);
 124         String wholeReply = reply.stream().collect(Collectors.joining(Utils.NEW_LINE));
 125         int lineNum = Integer.parseInt(parse(lineRegexp, wholeReply));
 126 
 127         System.out.println("got: thread=" + threadName + ", line=" + lineNum);
 128 
 129         ThreadData data = threadData.get(threadName);
 130         if (data == null) {
 131             data = new ThreadData();
 132             threadData.put(threadName, data);
 133         }
 134         processThreadData(threadName, lineNum, data);
 135     }
 136 
 137     private void processThreadData(String threadName, int lineNum, ThreadData data) {