1 /* 2 * reserved comment block 3 * DO NOT REMOVE OR ALTER! 4 */ 5 /* 6 * Licensed to the Apache Software Foundation (ASF) under one or more 7 * contributor license agreements. See the NOTICE file distributed with 8 * this work for additional information regarding copyright ownership. 9 * The ASF licenses this file to You under the Apache License, Version 2.0 10 * (the "License"); you may not use this file except in compliance with 11 * the License. You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 */ 21 22 package com.sun.org.apache.bcel.internal.generic; 23 24 /** 25 * Denote that a class targets InstructionHandles within an InstructionList. Namely 26 * the following implementers: 27 * 28 * @see BranchHandle 29 * @see LocalVariableGen 30 * @see CodeExceptionGen 31 */ 32 public interface InstructionTargeter { 33 34 /** 35 * Checks whether this targeter targets the specified instruction handle. 36 */ 37 boolean containsTarget(InstructionHandle ih); 38 39 /** 40 * Replaces the target of this targeter from this old handle to the new handle. 41 * 42 * @param old_ih the old handle 43 * @param new_ih the new handle 44 * @throws ClassGenException if old_ih is not targeted by this object 45 */ 46 void updateTarget(InstructionHandle old_ih, InstructionHandle new_ih) throws ClassGenException; 47 }