1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * https://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.bcel.generic;
20
21 /**
22 * IFNE - Branch if int comparison with zero succeeds
23 *
24 * <PRE>
25 * Stack: ..., value -> ...
26 * </PRE>
27 */
28 public class IFNE extends IfInstruction {
29
30 /**
31 * Empty constructor needed for Instruction.readInstruction. Not to be used otherwise.
32 */
33 IFNE() {
34 }
35
36 public IFNE(final InstructionHandle target) {
37 super(org.apache.bcel.Const.IFNE, target);
38 }
39
40 /**
41 * Call corresponding visitor method(s). The order is: Call visitor methods of implemented interfaces first, then call
42 * methods according to the class hierarchy in descending order, i.e., the most specific visitXXX() call comes last.
43 *
44 * @param v Visitor object
45 */
46 @Override
47 public void accept(final Visitor v) {
48 v.visitStackConsumer(this);
49 v.visitBranchInstruction(this);
50 v.visitIfInstruction(this);
51 v.visitIFNE(this);
52 }
53
54 /**
55 * @return negation of instruction
56 */
57 @Override
58 public IfInstruction negate() {
59 return new IFEQ(super.getTarget());
60 }
61 }