org.eclipse.jdt.internal.core.util.LocalVariableAttribute Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.core.util;
import org.eclipse.jdt.core.util.ClassFormatException;
import org.eclipse.jdt.core.util.IConstantPool;
import org.eclipse.jdt.core.util.ILocalVariableAttribute;
import org.eclipse.jdt.core.util.ILocalVariableTableEntry;
/**
* Default implementation of ILocalVariableAttribute.
*/
public class LocalVariableAttribute
extends ClassFileAttribute
implements ILocalVariableAttribute {
private static final ILocalVariableTableEntry[] NO_ENTRIES = new ILocalVariableTableEntry[0];
private final int localVariableTableLength;
private ILocalVariableTableEntry[] localVariableTable;
/**
* Constructor for LocalVariableAttribute.
*/
public LocalVariableAttribute(
byte[] classFileBytes,
IConstantPool constantPool,
int offset)
throws ClassFormatException {
super(classFileBytes, constantPool, offset);
final int length = u2At(classFileBytes, 6, offset);
this.localVariableTableLength = length;
if (length != 0) {
int readOffset = 8;
this.localVariableTable = new ILocalVariableTableEntry[length];
for (int i = 0; i < length; i++) {
this.localVariableTable[i] = new LocalVariableTableEntry(classFileBytes, constantPool, offset + readOffset);
readOffset += 10;
}
} else {
this.localVariableTable = NO_ENTRIES;
}
}
/**
* @see ILocalVariableAttribute#getLocalVariableTable()
*/
@Override
public ILocalVariableTableEntry[] getLocalVariableTable() {
return this.localVariableTable;
}
/**
* @see ILocalVariableAttribute#getLocalVariableTableLength()
*/
@Override
public int getLocalVariableTableLength() {
return this.localVariableTableLength;
}
}