Mercurial > hg > truffle
annotate graal/com.oracle.max.criutils/src/com/oracle/max/criutils/TTY.java @ 6309:6f8b6fc03c96
Add a maximum number of unswitching per loop
Enable Loop unswitching
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Mon, 03 Sep 2012 15:12:28 +0200 |
parents | 4d7175cf3526 |
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1 /* |
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2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.max.criutils; |
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24 |
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25 import java.io.*; |
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26 import java.lang.reflect.*; |
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27 import java.util.*; |
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28 import java.util.regex.*; |
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29 |
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30 /** |
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31 * A collection of static methods for printing debug and informational output to a global {@link LogStream}. |
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32 * The output can be (temporarily) suppressed per thread through use of a {@linkplain Filter filter}. |
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33 */ |
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34 public class TTY { |
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35 |
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36 /** |
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37 * Support for thread-local suppression of {@link TTY}. |
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38 */ |
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39 public static class Filter { |
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40 private LogStream previous; |
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41 private final Thread thread = Thread.currentThread(); |
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42 |
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43 /** |
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44 * Creates an object that will suppress {@link TTY} for the current thread if the given filter does not |
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45 * match the given object. To revert the suppression state to how it was |
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46 * before this call, the {@link #remove()} method must be called on the suppression object. |
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47 * |
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48 * @param filter the pattern for matching. If {@code null}, then the match is successful. If it starts with "~", |
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49 * then a regular expression {@linkplain Pattern#matches(String, CharSequence) match} is performed |
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50 * where the regular expression is specified by {@code filter} without the "~" prefix. Otherwise, a |
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51 * simple {@linkplain String#contains(CharSequence) substring} match is performed where {@code |
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52 * filter} is the substring used. |
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53 * @param object an object whose {@linkplain Object#toString() string} value is matched against {@code filter} |
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54 */ |
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55 public Filter(String filter, Object object) { |
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56 boolean suppressed = false; |
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57 if (filter != null) { |
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58 String input = object.toString(); |
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59 if (filter.startsWith("~")) { |
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60 suppressed = !Pattern.matches(filter.substring(1), input); |
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61 } else { |
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62 suppressed = !input.contains(filter); |
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63 } |
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64 if (suppressed) { |
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65 previous = out(); |
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66 out.set(LogStream.SINK); |
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67 } |
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68 } |
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69 } |
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70 |
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71 /** |
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72 * Creates an object that will suppress {@link TTY} for the current thread. |
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73 * To revert the suppression state to how it was before this call, the |
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74 * {@link #remove()} method must be called on this filter object. |
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75 */ |
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76 public Filter() { |
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77 previous = out(); |
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78 out.set(LogStream.SINK); |
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79 } |
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80 |
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81 /** |
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82 * Reverts the suppression state of {@link TTY} to how it was before this object was constructed. |
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83 */ |
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84 public void remove() { |
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85 assert thread == Thread.currentThread(); |
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86 if (previous != null) { |
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87 out.set(previous); |
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88 } |
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89 } |
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90 } |
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91 |
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92 public static PrintStream cachedOut; |
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93 |
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94 public static void initialize(PrintStream ps) { |
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95 cachedOut = ps; |
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96 } |
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97 |
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98 private static LogStream createLog() { |
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99 if (cachedOut == null) { |
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100 // In case initialize() was not called. |
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101 cachedOut = System.out; |
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102 } |
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103 return new LogStream(cachedOut); |
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104 } |
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105 |
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106 private static final ThreadLocal<LogStream> out = new ThreadLocal<LogStream>() { |
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107 @Override |
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108 protected LogStream initialValue() { |
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109 return createLog(); |
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110 } |
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111 }; |
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112 |
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113 public static boolean isSuppressed() { |
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114 return out.get() == LogStream.SINK; |
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115 } |
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116 |
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117 /** |
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118 * Gets the thread-local log stream to which the static methods of this class send their output. |
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119 * This will either be a global log stream or the global {@linkplain LogStream#SINK sink} depending |
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120 * on whether any suppression {@linkplain Filter filters} are in effect for the current thread. |
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121 */ |
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122 public static LogStream out() { |
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123 return out.get(); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
124 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
125 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
126 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
127 * @see LogStream#print(String) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
128 */ |
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parents:
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129 public static void print(String s) { |
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parents:
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|
130 out().print(s); |
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parents:
diff
changeset
|
131 } |
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parents:
diff
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132 |
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parents:
diff
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|
133 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
134 * @see LogStream#print(int) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
135 */ |
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parents:
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|
136 public static void print(int i) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
137 out().print(i); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
138 } |
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parents:
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139 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
140 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
141 * @see LogStream#print(long) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
142 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
143 public static void print(long i) { |
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diff
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|
144 out().print(i); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
145 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
146 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
147 /** |
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|
148 * @see LogStream#print(char) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
149 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
150 public static void print(char c) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
151 out().print(c); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
152 } |
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153 |
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parents:
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|
154 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
155 * @see LogStream#print(boolean) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
156 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
157 public static void print(boolean b) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
158 out().print(b); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
159 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
160 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
161 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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changeset
|
162 * @see LogStream#print(double) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
163 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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changeset
|
164 public static void print(double d) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
165 out().print(d); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
166 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
167 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
168 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
169 * @see LogStream#print(float) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
170 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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changeset
|
171 public static void print(float f) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
172 out().print(f); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
173 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
174 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
175 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
176 * @see LogStream#println(String) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
177 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
178 public static void println(String s) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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|
179 out().println(s); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
180 } |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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|
181 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
182 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
183 * @see LogStream#println() |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
184 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
185 public static void println() { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
186 out().println(); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
187 } |
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parents:
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|
188 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
189 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
190 * @see LogStream#println(int) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
191 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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changeset
|
192 public static void println(int i) { |
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|
193 out().println(i); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
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|
194 } |
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parents:
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|
195 |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
196 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
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diff
changeset
|
197 * @see LogStream#println(long) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
198 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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changeset
|
199 public static void println(long l) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
200 out().println(l); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
201 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
202 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
203 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
204 * @see LogStream#println(char) |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
205 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
206 public static void println(char c) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
207 out().println(c); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
208 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
209 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
210 /** |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
211 * @see LogStream#println(boolean) |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
212 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
213 public static void println(boolean b) { |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
214 out().println(b); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
215 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
216 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
217 /** |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
218 * @see LogStream#println(double) |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
219 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
220 public static void println(double d) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
221 out().println(d); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
222 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
223 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
224 /** |
e233f5660da4
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
225 * @see LogStream#println(float) |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
226 */ |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
227 public static void println(float f) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
228 out().println(f); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
229 } |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
230 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
231 public static void print(String format, Object... args) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
232 out().printf(format, args); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
233 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
234 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
235 public static void println(String format, Object... args) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
236 out().printf(format + "%n", args); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
237 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
238 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
239 public static void fillTo(int i) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
240 out().fillTo(i, ' '); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
241 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
242 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
243 public static void printFields(Class<?> javaClass) { |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
244 final String className = javaClass.getSimpleName(); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
245 TTY.println(className + " {"); |
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
246 for (final Field field : javaClass.getFields()) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
247 printField(field, false); |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
248 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
249 TTY.println("}"); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
250 } |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
251 |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
252 public static void printField(final Field field, boolean tabbed) { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
253 final String fieldName = String.format("%35s", field.getName()); |
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Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
254 try { |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff
changeset
|
255 String prefix = tabbed ? "" : " " + fieldName + " = "; |
e233f5660da4
Added Java files from Maxine project.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
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256 String postfix = tabbed ? "\t" : "\n"; |
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257 if (field.getType() == int.class) { |
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258 TTY.print(prefix + field.getInt(null) + postfix); |
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259 } else if (field.getType() == boolean.class) { |
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260 TTY.print(prefix + field.getBoolean(null) + postfix); |
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261 } else if (field.getType() == float.class) { |
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262 TTY.print(prefix + field.getFloat(null) + postfix); |
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263 } else if (field.getType() == String.class) { |
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264 TTY.print(prefix + field.get(null) + postfix); |
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265 } else if (field.getType() == Map.class) { |
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266 Map<?, ?> m = (Map<?, ?>) field.get(null); |
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267 TTY.print(prefix + printMap(m) + postfix); |
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268 } else { |
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269 TTY.print(prefix + field.get(null) + postfix); |
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270 } |
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271 } catch (IllegalAccessException e) { |
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272 // do nothing. |
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273 } |
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274 } |
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275 |
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276 private static String printMap(Map<?, ?> m) { |
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277 StringBuilder sb = new StringBuilder(); |
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278 |
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279 List<String> keys = new ArrayList<>(); |
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280 for (Object key : m.keySet()) { |
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281 keys.add((String) key); |
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282 } |
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283 Collections.sort(keys); |
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284 |
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285 for (String key : keys) { |
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286 sb.append(key); |
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287 sb.append("\t"); |
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288 sb.append(m.get(key)); |
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289 sb.append("\n"); |
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290 } |
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291 |
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292 return sb.toString(); |
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293 } |
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294 |
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295 public static void flush() { |
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296 out().flush(); |
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297 } |
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298 } |