1 /*
2  * reserved comment block
3  * DO NOT REMOVE OR ALTER!
4  */
5 /*
6  * Licensed to the Apache Software Foundation (ASF) under one or more
7  * contributor license agreements.  See the NOTICE file distributed with
8  * this work for additional information regarding copyright ownership.
9  * The ASF licenses this file to You under the Apache License, Version 2.0
10  * (the "License"); you may not use this file except in compliance with
11  * the License.  You may obtain a copy of the License at
12  *
13  *      http://www.apache.org/licenses/LICENSE-2.0
14  *
15  * Unless required by applicable law or agreed to in writing, software
16  * distributed under the License is distributed on an "AS IS" BASIS,
17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18  * See the License for the specific language governing permissions and
19  * limitations under the License.
20  */
21 
22 package com.sun.org.apache.bcel.internal.generic;
23 
24 import java.io.DataOutputStream;
25 import java.io.IOException;
26 
27 import com.sun.org.apache.bcel.internal.Const;
28 import com.sun.org.apache.bcel.internal.ExceptionConst;
29 
30 /**
31  * INVOKESTATIC - Invoke a class (static) method
32  *
33  * <PRE>Stack: ..., [arg1, [arg2 ...]] -&gt; ...</PRE>
34  *
35  * @see
36  * <a href="https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-6.html#jvms-6.5.invokestatic">
37  * The invokestatic instruction in The Java Virtual Machine Specification</a>
38  */
39 public class INVOKESTATIC extends InvokeInstruction {
40 
41     /**
42      * Empty constructor needed for Instruction.readInstruction.
43      * Not to be used otherwise.
44      */
INVOKESTATIC()45     INVOKESTATIC() {
46     }
47 
48 
INVOKESTATIC(final int index)49     public INVOKESTATIC(final int index) {
50         super(Const.INVOKESTATIC, index);
51     }
52 
53 
54     /**
55      * Dump instruction as byte code to stream out.
56      * @param out Output stream
57      */
58     @Override
dump( final DataOutputStream out )59     public void dump( final DataOutputStream out ) throws IOException {
60       out.writeByte(super.getOpcode());
61       out.writeShort(super.getIndex());
62     }
63 
64     @Override
getExceptions()65     public Class<?>[] getExceptions() {
66         return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_FIELD_AND_METHOD_RESOLUTION,
67             ExceptionConst.UNSATISFIED_LINK_ERROR,
68             ExceptionConst.INCOMPATIBLE_CLASS_CHANGE_ERROR);
69     }
70 
71 
72     /**
73      * Call corresponding visitor method(s). The order is:
74      * Call visitor methods of implemented interfaces first, then
75      * call methods according to the class hierarchy in descending order,
76      * i.e., the most specific visitXXX() call comes last.
77      *
78      * @param v Visitor object
79      */
80     @Override
accept( final Visitor v )81     public void accept( final Visitor v ) {
82         v.visitExceptionThrower(this);
83         v.visitTypedInstruction(this);
84         v.visitStackConsumer(this);
85         v.visitStackProducer(this);
86         v.visitLoadClass(this);
87         v.visitCPInstruction(this);
88         v.visitFieldOrMethod(this);
89         v.visitInvokeInstruction(this);
90         v.visitINVOKESTATIC(this);
91     }
92 }
93