1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.bcel.generic; 18 19 /** 20 * Wrapper class for 'compound' operations, virtual instructions that don't exist as byte code, but give a useful 21 * meaning. For example, the (virtual) PUSH instruction takes an arbitrary argument and produces the appropriate code at 22 * dump time (ICONST, LDC, BIPUSH, ...). Also you can use the SWITCH instruction as a useful template for either 23 * LOOKUPSWITCH or TABLESWITCH. 24 * 25 * The interface provides the possibility for the user to write 'templates' or 'macros' for such reusable code patterns. 26 * 27 * @see PUSH 28 * @see SWITCH 29 */ 30 public interface CompoundInstruction { 31 32 InstructionList getInstructionList(); 33 }