113 lines
3.2 KiB
Java
113 lines
3.2 KiB
Java
/*
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* Copyright (c) 1996, 2014, 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.
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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 org.openjdk.asmtools.jasm;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Iterator;
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/**
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*
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*/
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// public class DataVectorAttr extends AttrData implements Constants {
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// }
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class DataVectorAttr<T extends Data> extends AttrData implements Iterable<T> {
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private ArrayList<T> elements;
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private boolean byteIndex;
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public DataVectorAttr(ClassData cls, String name, boolean byteIndex, ArrayList<T> initialData) {
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super(cls, name);
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this.elements = initialData;
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this.byteIndex = byteIndex;
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}
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public DataVectorAttr(ClassData cls, String name, ArrayList<T> initialData) {
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this(cls, name, false, initialData);
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}
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public DataVectorAttr(ClassData cls, String name) {
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this(cls, name, false, new ArrayList<T>());
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}
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public DataVectorAttr(ClassData cls, String name, boolean byteIndex) {
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this(cls, name, byteIndex, new ArrayList<T>());
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}
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public T get(int index) {
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return elements.get(index);
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}
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public void add(T element) {
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elements.add(element);
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}
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public void add(int i, T element) {
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elements.add(i, element);
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}
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public int size() {
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return elements.size();
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}
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@Override
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public Iterator<T> iterator() {
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return elements.iterator();
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}
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@Override
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public int attrLength() {
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int length = 0;
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// calculate overall size here rather than in add()
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// because it may not be available at the time of invoking of add()
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for (T elem : elements) {
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length += elem.getLength();
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}
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// add the length of number of elements
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if (byteIndex) {
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length += 1;
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} else {
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length += 2;
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}
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return length;
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}
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@Override
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public void write(CheckedDataOutputStream out) throws IOException {
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super.write(out); // attr name, attr len
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if (byteIndex) {
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out.writeByte(elements.size());
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} else {
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out.writeShort(elements.size());
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} // number of elements
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for (T elem : elements) {
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elem.write(out);
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}
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}
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}
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