| /* |
| * ProGuard -- shrinking, optimization, obfuscation, and preverification |
| * of Java bytecode. |
| * |
| * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu) |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| package proguard.classfile.editor; |
| |
| import proguard.classfile.attribute.*; |
| |
| /** |
| * This class can add line numbers to a given line number table attribute. |
| * Line numbers to be added must have been filled out beforehand. |
| * |
| * @author Eric Lafortune |
| */ |
| public class LineNumberTableAttributeEditor |
| { |
| private LineNumberTableAttribute targetLineNumberTableAttribute; |
| |
| |
| /** |
| * Creates a new LineNumberTableAttributeEditor that will edit line numbers |
| * in the given line number table attribute. |
| */ |
| public LineNumberTableAttributeEditor(LineNumberTableAttribute targetLineNumberTableAttribute) |
| { |
| this.targetLineNumberTableAttribute = targetLineNumberTableAttribute; |
| } |
| |
| |
| /** |
| * Adds a given line number to the line number table attribute. |
| */ |
| public void addLineNumberInfo(LineNumberInfo lineNumberInfo) |
| { |
| int lineNumberTableLength = targetLineNumberTableAttribute.u2lineNumberTableLength; |
| LineNumberInfo[] lineNumberTable = targetLineNumberTableAttribute.lineNumberTable; |
| |
| // Make sure there is enough space for the new lineNumberInfo. |
| if (lineNumberTable.length <= lineNumberTableLength) |
| { |
| targetLineNumberTableAttribute.lineNumberTable = new LineNumberInfo[lineNumberTableLength+1]; |
| System.arraycopy(lineNumberTable, 0, |
| targetLineNumberTableAttribute.lineNumberTable, 0, |
| lineNumberTableLength); |
| lineNumberTable = targetLineNumberTableAttribute.lineNumberTable; |
| } |
| |
| // Add the lineNumberInfo. |
| lineNumberTable[targetLineNumberTableAttribute.u2lineNumberTableLength++] = lineNumberInfo; |
| } |
| } |