| /******************************************************************************* |
| * Copyright (c) 2011 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.aspectj.org.eclipse.jdt.internal.core.util; |
| |
| import org.aspectj.org.eclipse.jdt.core.util.ClassFormatException; |
| import org.aspectj.org.eclipse.jdt.core.util.IBootstrapMethodsAttribute; |
| import org.aspectj.org.eclipse.jdt.core.util.IBootstrapMethodsEntry; |
| import org.aspectj.org.eclipse.jdt.core.util.IConstantPool; |
| |
| /** |
| * Default implementation of IBootstrapMethodsAttribute. |
| */ |
| public class BootstrapMethodsAttribute extends ClassFileAttribute implements IBootstrapMethodsAttribute { |
| private static final IBootstrapMethodsEntry[] NO_ENTRIES = new IBootstrapMethodsEntry[0]; |
| |
| private IBootstrapMethodsEntry[] entries; |
| private int numberOfBootstrapMethods; |
| |
| /** |
| * Constructor for BootstrapMethodsAttribute. |
| * @param classFileBytes |
| * @param constantPool |
| * @param offset |
| * @throws ClassFormatException |
| */ |
| public BootstrapMethodsAttribute( |
| byte[] classFileBytes, |
| IConstantPool constantPool, |
| int offset) throws ClassFormatException { |
| super(classFileBytes, constantPool, offset); |
| this.numberOfBootstrapMethods = u2At(classFileBytes, 6, offset); |
| final int length = this.numberOfBootstrapMethods; |
| if (length != 0) { |
| int readOffset = 8; |
| this.entries = new IBootstrapMethodsEntry[length]; |
| BootstrapMethodsEntry entry; |
| for (int i = 0; i < length; i++) { |
| this.entries[i] = entry = new BootstrapMethodsEntry(classFileBytes, constantPool, offset + readOffset); |
| readOffset += 4 + 2 * entry.getBootstrapArguments().length; |
| } |
| } else { |
| this.entries = NO_ENTRIES; |
| } |
| } |
| |
| /** |
| * @see IBootstrapMethodsAttribute#getBootstrapMethods() |
| */ |
| @Override |
| public IBootstrapMethodsEntry[] getBootstrapMethods() { |
| return this.entries; |
| } |
| |
| @Override |
| public int getBootstrapMethodsLength() { |
| return this.numberOfBootstrapMethods; |
| } |
| } |