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="http://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      */
  45     INVOKESTATIC() {
  46     }
  47 
  48 
  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
  59     public void dump( final DataOutputStream out ) throws IOException {
  60       out.writeByte(super.getOpcode());
  61       out.writeShort(super.getIndex());
  62     }
  63 
  64     @Override
  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
  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 }