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  */
18 package org.apache.bcel.generic;
19 
20 /**
21  * Denotes an unparameterized instruction to store a value into a local variable,
22  * e.g. ISTORE.
23  *
24  * @version $Id$
25  */
26 public abstract class StoreInstruction extends LocalVariableInstruction implements PopInstruction {
27 
28     /**
29      * Empty constructor needed for Instruction.readInstruction.
30      * Not to be used otherwise.
31      * tag and length are defined in readInstruction and initFromFile, respectively.
32      */
StoreInstruction(final short canon_tag, final short c_tag)33     StoreInstruction(final short canon_tag, final short c_tag) {
34         super(canon_tag, c_tag);
35     }
36 
37 
38     /**
39      * @param opcode Instruction opcode
40      * @param c_tag Instruction number for compact version, ASTORE_0, e.g.
41      * @param n local variable index (unsigned short)
42      */
StoreInstruction(final short opcode, final short c_tag, final int n)43     protected StoreInstruction(final short opcode, final short c_tag, final int n) {
44         super(opcode, c_tag, n);
45     }
46 
47 
48     /**
49      * Call corresponding visitor method(s). The order is:
50      * Call visitor methods of implemented interfaces first, then
51      * call methods according to the class hierarchy in descending order,
52      * i.e., the most specific visitXXX() call comes last.
53      *
54      * @param v Visitor object
55      */
56     @Override
accept( final Visitor v )57     public void accept( final Visitor v ) {
58         v.visitStackConsumer(this);
59         v.visitPopInstruction(this);
60         v.visitTypedInstruction(this);
61         v.visitLocalVariableInstruction(this);
62         v.visitStoreInstruction(this);
63     }
64 }
65