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Diffstat (limited to 'src/proguard/classfile/attribute/LineNumberTableAttribute.java')
-rw-r--r-- | src/proguard/classfile/attribute/LineNumberTableAttribute.java | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/src/proguard/classfile/attribute/LineNumberTableAttribute.java b/src/proguard/classfile/attribute/LineNumberTableAttribute.java deleted file mode 100644 index 7bd3e00..0000000 --- a/src/proguard/classfile/attribute/LineNumberTableAttribute.java +++ /dev/null @@ -1,150 +0,0 @@ -/* - * ProGuard -- shrinking, optimization, obfuscation, and preverification - * of Java bytecode. - * - * Copyright (c) 2002-2014 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.attribute; - -import proguard.classfile.*; -import proguard.classfile.attribute.visitor.*; - -/** - * This Attribute represents a line number table attribute. - * - * @author Eric Lafortune - */ -public class LineNumberTableAttribute extends Attribute -{ - public int u2lineNumberTableLength; - public LineNumberInfo[] lineNumberTable; - - - /** - * Creates an uninitialized LineNumberTableAttribute. - */ - public LineNumberTableAttribute() - { - } - - - /** - * Creates an initialized LineNumberTableAttribute. - */ - public LineNumberTableAttribute(int u2attributeNameIndex, - int u2lineNumberTableLength, - LineNumberInfo[] lineNumberTable) - { - super(u2attributeNameIndex); - - this.u2lineNumberTableLength = u2lineNumberTableLength; - this.lineNumberTable = lineNumberTable; - } - - - /** - * Returns the line number corresponding to the given byte code program - * counter. - */ - public int getLineNumber(int pc) - { - for (int index = u2lineNumberTableLength-1 ; index >= 0 ; index--) - { - LineNumberInfo info = lineNumberTable[index]; - if (pc >= info.u2startPC) - { - return info.u2lineNumber; - } - } - - return u2lineNumberTableLength > 0 ? - lineNumberTable[0].u2lineNumber : - 0; - } - - - /** - * Returns the lowest line number, or 0 if there aren't any line numbers. - */ - public int getLowestLineNumber() - { - if (u2lineNumberTableLength == 0) - { - return 0; - } - - int lowestLineNumber = Integer.MAX_VALUE; - - for (int index = 0; index < u2lineNumberTableLength; index++) - { - int lineNumber = lineNumberTable[index].u2lineNumber; - if (lineNumber < lowestLineNumber) - { - lowestLineNumber = lineNumber; - } - } - - return lowestLineNumber; - } - - - /** - * Returns the highest line number, or 0 if there aren't any line numbers. - */ - public int getHighestLineNumber() - { - if (u2lineNumberTableLength == 0) - { - return 0; - } - - int highestLineNumber = Integer.MIN_VALUE; - - for (int index = 0; index < u2lineNumberTableLength; index++) - { - int lineNumber = lineNumberTable[index].u2lineNumber; - if (lineNumber > highestLineNumber) - { - highestLineNumber = lineNumber; - } - } - - return highestLineNumber; - } - - - // Implementations for Attribute. - - public void accept(Clazz clazz, Method method, CodeAttribute codeAttribute, AttributeVisitor attributeVisitor) - { - attributeVisitor.visitLineNumberTableAttribute(clazz, method, codeAttribute, this); - } - - - /** - * Applies the given visitor to all line numbers. - */ - public void lineNumbersAccept(Clazz clazz, Method method, CodeAttribute codeAttribute, LineNumberInfoVisitor lineNumberInfoVisitor) - { - for (int index = 0; index < u2lineNumberTableLength; index++) - { - // We don't need double dispatching here, since there is only one - // type of LineNumberInfo. - lineNumberInfoVisitor.visitLineNumberInfo(clazz, method, codeAttribute, lineNumberTable[index]); - } - } -} |