IfInstruction.java

/*
 * 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
 *
 *   https://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.generic;

/**
 * Super class for the IFxxx family of instructions.
 */
public abstract class IfInstruction extends BranchInstruction implements StackConsumer {

    /**
     * Empty constructor needed for Instruction.readInstruction. Not to be used otherwise.
     */
    IfInstruction() {
    }

    /**
     * @param opcode opcode of instruction
     * @param target Target instruction to branch to
     */
    protected IfInstruction(final short opcode, final InstructionHandle target) {
        super(opcode, target);
    }

    /**
     * @return negation of instruction, for example IFEQ.negate() == IFNE
     */
    public abstract IfInstruction negate();
}