| /******************************************************************************* |
| * 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.IConstantPoolConstant; |
| import org.eclipse.jdt.core.util.IConstantPoolEntry; |
| import org.eclipse.jdt.core.util.ILocalVariableTableEntry; |
| |
| /** |
| * Default implementation of ILocalVariableTableEntry |
| */ |
| public class LocalVariableTableEntry extends ClassFileStruct implements ILocalVariableTableEntry { |
| |
| private int startPC; |
| private int length; |
| private int nameIndex; |
| private int descriptorIndex; |
| private char[] name; |
| private char[] descriptor; |
| private int index; |
| |
| /** |
| * Constructor for LocalVariableTableEntry. |
| * |
| * @param classFileBytes |
| * @param constantPool |
| * @param offset |
| * @throws ClassFormatException |
| */ |
| public LocalVariableTableEntry( |
| byte[] classFileBytes, |
| IConstantPool constantPool, |
| int offset) throws ClassFormatException { |
| this.startPC = u2At(classFileBytes, 0, offset); |
| this.length = u2At(classFileBytes, 2, offset); |
| this.nameIndex = u2At(classFileBytes, 4, offset); |
| this.descriptorIndex = u2At(classFileBytes, 6, offset); |
| this.index = u2At(classFileBytes, 8, offset); |
| IConstantPoolEntry constantPoolEntry = constantPool.decodeEntry(this.nameIndex); |
| if (constantPoolEntry.getKind() != IConstantPoolConstant.CONSTANT_Utf8) { |
| throw new ClassFormatException(ClassFormatException.INVALID_CONSTANT_POOL_ENTRY); |
| } |
| this.name = constantPoolEntry.getUtf8Value(); |
| constantPoolEntry = constantPool.decodeEntry(this.descriptorIndex); |
| if (constantPoolEntry.getKind() != IConstantPoolConstant.CONSTANT_Utf8) { |
| throw new ClassFormatException(ClassFormatException.INVALID_CONSTANT_POOL_ENTRY); |
| } |
| this.descriptor = constantPoolEntry.getUtf8Value(); |
| } |
| |
| /** |
| * @see ILocalVariableTableEntry#getStartPC() |
| */ |
| @Override |
| public int getStartPC() { |
| return this.startPC; |
| } |
| |
| /** |
| * @see ILocalVariableTableEntry#getLength() |
| */ |
| @Override |
| public int getLength() { |
| return this.length; |
| } |
| |
| /** |
| * @see ILocalVariableTableEntry#getNameIndex() |
| */ |
| @Override |
| public int getNameIndex() { |
| return this.nameIndex; |
| } |
| |
| /** |
| * @see ILocalVariableTableEntry#getDescriptorIndex() |
| */ |
| @Override |
| public int getDescriptorIndex() { |
| return this.descriptorIndex; |
| } |
| |
| /** |
| * @see ILocalVariableTableEntry#getIndex() |
| */ |
| @Override |
| public int getIndex() { |
| return this.index; |
| } |
| |
| /** |
| * @see ILocalVariableTableEntry#getName() |
| */ |
| @Override |
| public char[] getName() { |
| return this.name; |
| } |
| |
| /** |
| * @see ILocalVariableTableEntry#getDescriptor() |
| */ |
| @Override |
| public char[] getDescriptor() { |
| return this.descriptor; |
| } |
| |
| } |