| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.bcel.classfile; |
| |
| import java.io.DataInput; |
| import java.io.IOException; |
| |
| import org.apache.bcel.Const; |
| |
| /** |
| * This class is derived from the abstract {@link Constant} |
| * and represents a reference to a invoke dynamic. |
| * |
| * @see Constant |
| * @see <a href="http://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.10"> |
| * The CONSTANT_InvokeDynamic_info Structure in The Java Virtual Machine Specification</a> |
| * @since 6.0 |
| */ |
| public final class ConstantInvokeDynamic extends ConstantCP { |
| |
| /** |
| * Initialize from another object. |
| */ |
| public ConstantInvokeDynamic(final ConstantInvokeDynamic c) { |
| this(c.getBootstrapMethodAttrIndex(), c.getNameAndTypeIndex()); |
| } |
| |
| |
| /** |
| * Initialize instance from file data. |
| * |
| * @param file Input stream |
| * @throws IOException |
| */ |
| ConstantInvokeDynamic(final DataInput file) throws IOException { |
| this(file.readShort(), file.readShort()); |
| } |
| |
| |
| public ConstantInvokeDynamic(final int bootstrap_method_attr_index, final int name_and_type_index) { |
| super(Const.CONSTANT_InvokeDynamic, bootstrap_method_attr_index, name_and_type_index); |
| } |
| |
| |
| /** |
| * Called by objects that are traversing the nodes of the tree implicitly |
| * defined by the contents of a Java class. I.e., the hierarchy of methods, |
| * fields, attributes, etc. spawns a tree of objects. |
| * |
| * @param v Visitor object |
| */ |
| @Override |
| public void accept( final Visitor v ) { |
| v.visitConstantInvokeDynamic(this); |
| } |
| |
| /** |
| * @return Reference (index) to bootstrap method this constant refers to. |
| * |
| * Note that this method is a functional duplicate of getClassIndex |
| * for use by ConstantInvokeDynamic. |
| * @since 6.0 |
| */ |
| public final int getBootstrapMethodAttrIndex() { |
| return super.getClassIndex(); // AKA bootstrap_method_attr_index |
| } |
| |
| /** |
| * @return String representation |
| */ |
| @Override |
| public final String toString() { |
| return super.toString().replace("class_index", "bootstrap_method_attr_index"); |
| } |
| } |