/* |
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* Copyright (c) 1994, 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.tools.asm; |
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import sun.tools.java.*; |
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import java.util.Hashtable; |
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import java.util.Enumeration; |
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import java.util.Arrays; |
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/** |
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* WARNING: The contents of this source file are not part of any |
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* supported API. Code that depends on them does so at its own risk: |
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* they are subject to change or removal without notice. |
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*/ |
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public final |
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class SwitchData { |
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int minValue, maxValue; |
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Label defaultLabel = new Label(); |
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Hashtable<Integer,Label> tab = new Hashtable<>(); |
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// JCOV |
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Hashtable<Integer,Long> whereCaseTab = null; |
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// end JCOV |
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/** |
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* Get a label |
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*/ |
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public Label get(int n) { |
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return tab.get(n); |
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} |
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/** |
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* Get a label |
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*/ |
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public Label get(Integer n) { |
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return tab.get(n); |
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} |
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/** |
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* Add a label |
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*/ |
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public void add(int n, Label lbl) { |
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if (tab.size() == 0) { |
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minValue = n; |
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maxValue = n; |
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} else { |
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if (n < minValue) { |
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minValue = n; |
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} |
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if (n > maxValue) { |
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maxValue = n; |
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} |
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} |
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tab.put(Integer.valueOf(n), lbl); |
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} |
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/** |
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* Get the default label |
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*/ |
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public Label getDefaultLabel() { |
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return defaultLabel; |
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} |
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/** |
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* Return the keys of this enumaration sorted in ascending order |
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*/ |
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public synchronized Enumeration<Integer> sortedKeys() { |
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return new SwitchDataEnumeration(tab); |
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} |
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// JCOV |
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public void initTableCase() { |
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whereCaseTab = new Hashtable<Integer,Long>(); |
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} |
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public void addTableCase(int index, long where) { |
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if (whereCaseTab != null) |
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whereCaseTab.put(Integer.valueOf(index), Long.valueOf(where)); |
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} |
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// this puts String key into Hashtable<Integer,Long> |
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@SuppressWarnings("unchecked") |
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public void addTableDefault(long where) { |
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if (whereCaseTab != null) |
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((Hashtable)whereCaseTab).put("default", Long.valueOf(where)); |
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} |
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public long whereCase(Object key) { |
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Long i = whereCaseTab.get(key); |
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return (i == null) ? 0L : i.longValue(); |
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} |
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public boolean getDefault() { |
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return (whereCase("default") != 0L); |
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} |
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// end JCOV |
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} |
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class SwitchDataEnumeration implements Enumeration<Integer> { |
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private Integer table[]; |
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private int current_index = 0; |
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/** |
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* Create a new enumeration from the hashtable. Each key in the |
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* hash table will be an Integer, with the value being a label. The |
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* enumeration returns the keys in sorted order. |
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*/ |
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SwitchDataEnumeration(Hashtable<Integer,Label> tab) { |
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table = new Integer[tab.size()]; |
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int i = 0; |
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for (Enumeration<Integer> e = tab.keys() ; e.hasMoreElements() ; ) { |
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table[i++] = e.nextElement(); |
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} |
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Arrays.sort(table); |
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current_index = 0; |
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} |
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/** |
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* Are there more keys to return? |
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*/ |
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public boolean hasMoreElements() { |
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return current_index < table.length; |
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} |
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/** |
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* Return the next key. |
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*/ |
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public Integer nextElement() { |
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return table[current_index++]; |
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} |
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} |