private void consoleView() {
		BufferedReader br = null;
		try {
			String help = "f:forward,b:back,j:{$num}:jump,q:quit";
			String jumpCmd = "j:(\\d+)";
			Pattern pattJump = Pattern.compile(jumpCmd);

			br = new BufferedReader(new InputStreamReader(System.in));
			System.out.println(help);
			String cmd = null;
			while ((cmd = br.readLine()) != null) {
				if ("f".equals(cmd)) {
					System.out.println(curIndex + 1 + " " + curTe());
					forward();
					System.out.println(kyokumen);
					System.out.println("evalate: "
							+ evaluator.evaluate(kyokumen));
				} else if ("b".equals(cmd)) {
					back();
					System.out.println(curIndex + 1 + " " + curTe());
					System.out.println(kyokumen);
					System.out.println("evalate: "
							+ evaluator.evaluate(kyokumen));
				} else if (cmd.matches(jumpCmd)) {
					Matcher matcher = pattJump.matcher(cmd);
					if (matcher.matches()) {
						int index = Integer.parseInt(matcher.group(1));
						jump(index);
						System.out.println(curIndex + " " + curTe());
						System.out.println(kyokumen);
						System.out.println("evalate: "
								+ evaluator.evaluate(kyokumen));
					}
				} else if ("q".equals(cmd)) {
					break;
				}
				System.out.println();
				System.out.println(help);
			}
			br.close();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (br != null) {
					br.close();
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}