70 lines
2.0 KiB
Java
70 lines
2.0 KiB
Java
/*******************************************************************************
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* Copyright (c) 2002,2006 IBM Corporation.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package com.ibm.wala.shrikeCT;
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import java.io.UnsupportedEncodingException;
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public class SourceDebugExtensionWriter extends ClassWriter.Element {
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final private int attrID;
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private byte[] table;
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public SourceDebugExtensionWriter(ClassWriter w) {
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if (w == null) {
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throw new IllegalArgumentException("w is null");
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}
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attrID = w.addCPUtf8("SourceDebugExtension");
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}
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@Override
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public int getSize() {
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return table == null ? 6 : 6 + table.length;
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}
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@Override
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public int copyInto(byte[] buf, int offset) throws IllegalArgumentException {
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ClassWriter.setUShort(buf, offset, attrID);
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ClassWriter.setInt(buf, offset + 2, getSize() - 6);
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offset += 6;
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if (table != null) {
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for (int i = 0; i < table.length; i++) {
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ClassWriter.setUByte(buf, offset, table[i]);
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offset++;
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}
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}
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return offset;
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}
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public void setRawTable(byte[] sourceDebug) {
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if (sourceDebug == null) {
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throw new IllegalArgumentException("sourceDebug is null");
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}
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for (int i = 0; i < sourceDebug.length; i++) {
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if (sourceDebug[i] < 1) {
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throw new IllegalArgumentException("Invalid CP index: " + sourceDebug[i]);
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}
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}
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this.table = sourceDebug;
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}
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public void setDebugInfo(String sourceDebug) {
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if (sourceDebug == null) {
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throw new IllegalArgumentException("sourceDebug is null");
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}
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try {
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byte[] bytes = sourceDebug.getBytes("UTF8");
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setRawTable(bytes);
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} catch (UnsupportedEncodingException e) {
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System.err.println(e);
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}
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}
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}
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