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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: StoreInstruction.html 1021978 2017-12-09 17:38:21Z ggregory $
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       */
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       */
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
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  }